]>
Commit | Line | Data |
---|---|---|
abe529af | 1 | /* |
e09ee259 | 2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc. |
abe529af BP |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | ||
9583bc14 | 19 | #include "ofproto/ofproto-dpif.h" |
5bee6e26 | 20 | #include "ofproto/ofproto-provider.h" |
abe529af BP |
21 | |
22 | #include <errno.h> | |
23 | ||
ccc09689 | 24 | #include "bfd.h" |
abe529af | 25 | #include "bond.h" |
daff3353 | 26 | #include "bundle.h" |
abe529af BP |
27 | #include "byte-order.h" |
28 | #include "connmgr.h" | |
29 | #include "coverage.h" | |
30 | #include "cfm.h" | |
31 | #include "dpif.h" | |
32 | #include "dynamic-string.h" | |
33 | #include "fail-open.h" | |
34 | #include "hmapx.h" | |
35 | #include "lacp.h" | |
75a75043 | 36 | #include "learn.h" |
abe529af | 37 | #include "mac-learning.h" |
816fd533 | 38 | #include "meta-flow.h" |
abe529af | 39 | #include "multipath.h" |
0a740f48 | 40 | #include "netdev-vport.h" |
abe529af BP |
41 | #include "netdev.h" |
42 | #include "netlink.h" | |
43 | #include "nx-match.h" | |
44 | #include "odp-util.h" | |
1ac7c9bd | 45 | #include "odp-execute.h" |
abe529af BP |
46 | #include "ofp-util.h" |
47 | #include "ofpbuf.h" | |
f25d0cf3 | 48 | #include "ofp-actions.h" |
31a19d69 | 49 | #include "ofp-parse.h" |
abe529af | 50 | #include "ofp-print.h" |
9d6ac44e | 51 | #include "ofproto-dpif-governor.h" |
29089a54 | 52 | #include "ofproto-dpif-ipfix.h" |
ec7ceaed | 53 | #include "ofproto-dpif-mirror.h" |
bae473fe | 54 | #include "ofproto-dpif-sflow.h" |
e1ec7dd4 | 55 | #include "ofproto-dpif-upcall.h" |
9583bc14 | 56 | #include "ofproto-dpif-xlate.h" |
abe529af | 57 | #include "poll-loop.h" |
0d085684 | 58 | #include "simap.h" |
27022416 | 59 | #include "smap.h" |
abe529af | 60 | #include "timer.h" |
b9ad7294 | 61 | #include "tunnel.h" |
6c1491fb | 62 | #include "unaligned.h" |
abe529af BP |
63 | #include "unixctl.h" |
64 | #include "vlan-bitmap.h" | |
65 | #include "vlog.h" | |
66 | ||
67 | VLOG_DEFINE_THIS_MODULE(ofproto_dpif); | |
68 | ||
abe529af | 69 | COVERAGE_DEFINE(ofproto_dpif_expired); |
abe529af | 70 | COVERAGE_DEFINE(facet_changed_rule); |
abe529af BP |
71 | COVERAGE_DEFINE(facet_revalidate); |
72 | COVERAGE_DEFINE(facet_unexpected); | |
9d6ac44e | 73 | COVERAGE_DEFINE(facet_suppress); |
9b1a48c2 | 74 | COVERAGE_DEFINE(subfacet_install_fail); |
ada3a58d | 75 | COVERAGE_DEFINE(packet_in_overflow); |
3d9c5e58 | 76 | COVERAGE_DEFINE(flow_mod_overflow); |
abe529af | 77 | |
46c88433 EJ |
78 | /* Number of implemented OpenFlow tables. */ |
79 | enum { N_TABLES = 255 }; | |
80 | enum { TBL_INTERNAL = N_TABLES - 1 }; /* Used for internal hidden rules. */ | |
81 | BUILD_ASSERT_DECL(N_TABLES >= 2 && N_TABLES <= 255); | |
82 | ||
a088a1ff | 83 | struct flow_miss; |
ac35f9c8 | 84 | struct facet; |
abe529af | 85 | |
7e741ffb | 86 | static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes); |
b0f7b9b5 | 87 | |
46c88433 EJ |
88 | struct ofbundle { |
89 | struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */ | |
90 | struct ofproto_dpif *ofproto; /* Owning ofproto. */ | |
91 | void *aux; /* Key supplied by ofproto's client. */ | |
92 | char *name; /* Identifier for log messages. */ | |
93 | ||
94 | /* Configuration. */ | |
95 | struct list ports; /* Contains "struct ofport"s. */ | |
96 | enum port_vlan_mode vlan_mode; /* VLAN mode */ | |
97 | int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */ | |
98 | unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1. | |
99 | * NULL if all VLANs are trunked. */ | |
100 | struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */ | |
101 | struct bond *bond; /* Nonnull iff more than one port. */ | |
102 | bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */ | |
103 | ||
104 | /* Status. */ | |
105 | bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */ | |
106 | }; | |
107 | ||
abe529af | 108 | static void bundle_remove(struct ofport *); |
7bde8dd8 | 109 | static void bundle_update(struct ofbundle *); |
abe529af BP |
110 | static void bundle_destroy(struct ofbundle *); |
111 | static void bundle_del_port(struct ofport_dpif *); | |
112 | static void bundle_run(struct ofbundle *); | |
113 | static void bundle_wait(struct ofbundle *); | |
33158a18 | 114 | |
21f7563c JP |
115 | static void stp_run(struct ofproto_dpif *ofproto); |
116 | static void stp_wait(struct ofproto_dpif *ofproto); | |
851bf71d EJ |
117 | static int set_stp_port(struct ofport *, |
118 | const struct ofproto_port_stp_settings *); | |
21f7563c | 119 | |
6a7e895f BP |
120 | static void compose_slow_path(const struct ofproto_dpif *, const struct flow *, |
121 | enum slow_path_reason, | |
122 | uint64_t *stub, size_t stub_size, | |
123 | const struct nlattr **actionsp, | |
124 | size_t *actions_lenp); | |
125 | ||
126 | /* A subfacet (see "struct subfacet" below) has three possible installation | |
127 | * states: | |
128 | * | |
129 | * - SF_NOT_INSTALLED: Not installed in the datapath. This will only be the | |
130 | * case just after the subfacet is created, just before the subfacet is | |
131 | * destroyed, or if the datapath returns an error when we try to install a | |
132 | * subfacet. | |
133 | * | |
134 | * - SF_FAST_PATH: The subfacet's actions are installed in the datapath. | |
135 | * | |
136 | * - SF_SLOW_PATH: An action that sends every packet for the subfacet through | |
137 | * ofproto_dpif is installed in the datapath. | |
138 | */ | |
139 | enum subfacet_path { | |
140 | SF_NOT_INSTALLED, /* No datapath flow for this subfacet. */ | |
141 | SF_FAST_PATH, /* Full actions are installed. */ | |
142 | SF_SLOW_PATH, /* Send-to-userspace action is installed. */ | |
143 | }; | |
144 | ||
5f5fbd17 BP |
145 | /* A dpif flow and actions associated with a facet. |
146 | * | |
147 | * See also the large comment on struct facet. */ | |
148 | struct subfacet { | |
149 | /* Owners. */ | |
150 | struct hmap_node hmap_node; /* In struct ofproto_dpif 'subfacets' list. */ | |
151 | struct list list_node; /* In struct facet's 'facets' list. */ | |
152 | struct facet *facet; /* Owning facet. */ | |
04d08d54 | 153 | struct dpif_backer *backer; /* Owning backer. */ |
5f5fbd17 | 154 | |
5f5fbd17 BP |
155 | enum odp_key_fitness key_fitness; |
156 | struct nlattr *key; | |
157 | int key_len; | |
158 | ||
159 | long long int used; /* Time last used; time created if not used. */ | |
655ab909 | 160 | long long int created; /* Time created. */ |
5f5fbd17 BP |
161 | |
162 | uint64_t dp_packet_count; /* Last known packet count in the datapath. */ | |
163 | uint64_t dp_byte_count; /* Last known byte count in the datapath. */ | |
164 | ||
6a7e895f | 165 | enum subfacet_path path; /* Installed in datapath? */ |
5f5fbd17 BP |
166 | }; |
167 | ||
1d85f9e5 JP |
168 | #define SUBFACET_DESTROY_MAX_BATCH 50 |
169 | ||
e1ec7dd4 | 170 | static struct subfacet *subfacet_create(struct facet *, struct flow_miss *); |
04d08d54 | 171 | static struct subfacet *subfacet_find(struct dpif_backer *, |
acf60855 | 172 | const struct nlattr *key, size_t key_len, |
9566abf9 | 173 | uint32_t key_hash); |
5f5fbd17 BP |
174 | static void subfacet_destroy(struct subfacet *); |
175 | static void subfacet_destroy__(struct subfacet *); | |
04d08d54 | 176 | static void subfacet_destroy_batch(struct dpif_backer *, |
1d85f9e5 | 177 | struct subfacet **, int n); |
5f5fbd17 BP |
178 | static void subfacet_reset_dp_stats(struct subfacet *, |
179 | struct dpif_flow_stats *); | |
5f5fbd17 BP |
180 | static void subfacet_update_stats(struct subfacet *, |
181 | const struct dpif_flow_stats *); | |
5f5fbd17 | 182 | static int subfacet_install(struct subfacet *, |
4dff9097 EJ |
183 | const struct ofpbuf *odp_actions, |
184 | struct dpif_flow_stats *); | |
5f5fbd17 BP |
185 | static void subfacet_uninstall(struct subfacet *); |
186 | ||
bcd2633a | 187 | /* A unique, non-overlapping instantiation of an OpenFlow flow. |
b0f7b9b5 BP |
188 | * |
189 | * A facet associates a "struct flow", which represents the Open vSwitch | |
bcd2633a JP |
190 | * userspace idea of an exact-match flow, with one or more subfacets. |
191 | * While the facet is created based on an exact-match flow, it is stored | |
192 | * within the ofproto based on the wildcards that could be expressed | |
193 | * based on the flow table and other configuration. (See the 'wc' | |
194 | * description in "struct xlate_out" for more details.) | |
b0f7b9b5 | 195 | * |
bcd2633a JP |
196 | * Each subfacet tracks the datapath's idea of the flow equivalent to |
197 | * the facet. When the kernel module (or other dpif implementation) and | |
198 | * Open vSwitch userspace agree on the definition of a flow key, there | |
199 | * is exactly one subfacet per facet. If the dpif implementation | |
200 | * supports more-specific flow matching than userspace, however, a facet | |
201 | * can have more than one subfacet. Examples include the dpif | |
202 | * implementation not supporting the same wildcards as userspace or some | |
203 | * distinction in flow that userspace simply doesn't understand. | |
204 | * | |
205 | * Flow expiration works in terms of subfacets, so a facet must have at | |
206 | * least one subfacet or it will never expire, leaking memory. */ | |
abe529af | 207 | struct facet { |
b0f7b9b5 BP |
208 | /* Owners. */ |
209 | struct hmap_node hmap_node; /* In owning ofproto's 'facets' hmap. */ | |
b7e2f6b3 | 210 | struct ofproto_dpif *ofproto; |
b0f7b9b5 BP |
211 | |
212 | /* Owned data. */ | |
213 | struct list subfacets; | |
abe529af BP |
214 | long long int used; /* Time last used; time created if not used. */ |
215 | ||
b0f7b9b5 | 216 | /* Key. */ |
bcd2633a JP |
217 | struct flow flow; /* Flow of the creating subfacet. */ |
218 | struct cls_rule cr; /* In 'ofproto_dpif's facets classifier. */ | |
b0f7b9b5 | 219 | |
abe529af BP |
220 | /* These statistics: |
221 | * | |
222 | * - Do include packets and bytes sent "by hand", e.g. with | |
223 | * dpif_execute(). | |
224 | * | |
225 | * - Do include packets and bytes that were obtained from the datapath | |
b0f7b9b5 | 226 | * when a subfacet's statistics were reset (e.g. dpif_flow_put() with |
abe529af | 227 | * DPIF_FP_ZERO_STATS). |
b0f7b9b5 BP |
228 | * |
229 | * - Do not include packets or bytes that can be obtained from the | |
230 | * datapath for any existing subfacet. | |
abe529af BP |
231 | */ |
232 | uint64_t packet_count; /* Number of packets received. */ | |
233 | uint64_t byte_count; /* Number of bytes received. */ | |
234 | ||
b0f7b9b5 | 235 | /* Resubmit statistics. */ |
9d24de3b JP |
236 | uint64_t prev_packet_count; /* Number of packets from last stats push. */ |
237 | uint64_t prev_byte_count; /* Number of bytes from last stats push. */ | |
238 | long long int prev_used; /* Used time from last stats push. */ | |
abe529af | 239 | |
b0f7b9b5 | 240 | /* Accounting. */ |
907a4c5e | 241 | uint64_t accounted_bytes; /* Bytes processed by facet_account(). */ |
b0f7b9b5 | 242 | struct netflow_flow nf_flow; /* Per-flow NetFlow tracking data. */ |
0e553d9c | 243 | uint8_t tcp_flags; /* TCP flags seen for this 'rule'. */ |
abe529af | 244 | |
bbafd73b | 245 | struct xlate_out xout; |
4dff9097 | 246 | |
26cd7e34 BP |
247 | /* Storage for a single subfacet, to reduce malloc() time and space |
248 | * overhead. (A facet always has at least one subfacet and in the common | |
bcd516b7 JP |
249 | * case has exactly one subfacet. However, 'one_subfacet' may not |
250 | * always be valid, since it could have been removed after newer | |
251 | * subfacets were pushed onto the 'subfacets' list.) */ | |
26cd7e34 | 252 | struct subfacet one_subfacet; |
6cf474d7 EJ |
253 | |
254 | long long int learn_rl; /* Rate limiter for facet_learn(). */ | |
abe529af BP |
255 | }; |
256 | ||
e1ec7dd4 | 257 | static struct facet *facet_create(const struct flow_miss *); |
15baa734 | 258 | static void facet_remove(struct facet *); |
abe529af BP |
259 | static void facet_free(struct facet *); |
260 | ||
bcd2633a | 261 | static struct facet *facet_find(struct ofproto_dpif *, const struct flow *); |
abe529af | 262 | static struct facet *facet_lookup_valid(struct ofproto_dpif *, |
bcd2633a | 263 | const struct flow *); |
5bf64ade | 264 | static bool facet_revalidate(struct facet *); |
6814e51f | 265 | static bool facet_check_consistency(struct facet *); |
abe529af | 266 | |
15baa734 | 267 | static void facet_flush_stats(struct facet *); |
abe529af | 268 | |
bbb5d219 | 269 | static void facet_reset_counters(struct facet *); |
e1ec7dd4 EJ |
270 | static void flow_push_stats(struct ofproto_dpif *, struct flow *, |
271 | struct dpif_flow_stats *, bool may_learn); | |
9dfb1f78 | 272 | static void facet_push_stats(struct facet *, bool may_learn); |
3de9590b BP |
273 | static void facet_learn(struct facet *); |
274 | static void facet_account(struct facet *); | |
8844e035 | 275 | static void push_all_stats(void); |
abe529af BP |
276 | |
277 | static bool facet_is_controller_flow(struct facet *); | |
278 | ||
46c88433 EJ |
279 | struct ofport_dpif { |
280 | struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */ | |
281 | struct ofport up; | |
282 | ||
283 | odp_port_t odp_port; | |
284 | struct ofbundle *bundle; /* Bundle that contains this port, if any. */ | |
285 | struct list bundle_node; /* In struct ofbundle's "ports" list. */ | |
286 | struct cfm *cfm; /* Connectivity Fault Management, if any. */ | |
287 | struct bfd *bfd; /* BFD, if any. */ | |
46c88433 EJ |
288 | bool may_enable; /* May be enabled in bonds. */ |
289 | bool is_tunnel; /* This port is a tunnel. */ | |
290 | long long int carrier_seq; /* Carrier status changes. */ | |
291 | struct ofport_dpif *peer; /* Peer if patch port. */ | |
292 | ||
293 | /* Spanning tree. */ | |
294 | struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */ | |
295 | enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */ | |
296 | long long int stp_state_entered; | |
297 | ||
55954f6e EJ |
298 | /* Queue to DSCP mapping. */ |
299 | struct ofproto_port_queue *qdscp; | |
300 | size_t n_qdscp; | |
46c88433 EJ |
301 | |
302 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
303 | * | |
304 | * This is deprecated. It is only for compatibility with broken device | |
305 | * drivers in old versions of Linux that do not properly support VLANs when | |
306 | * VLAN devices are not used. When broken device drivers are no longer in | |
307 | * widespread use, we will delete these interfaces. */ | |
308 | ofp_port_t realdev_ofp_port; | |
309 | int vlandev_vid; | |
310 | }; | |
311 | ||
52a90c29 BP |
312 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
313 | * | |
314 | * This is deprecated. It is only for compatibility with broken device drivers | |
315 | * in old versions of Linux that do not properly support VLANs when VLAN | |
316 | * devices are not used. When broken device drivers are no longer in | |
317 | * widespread use, we will delete these interfaces. */ | |
318 | struct vlan_splinter { | |
319 | struct hmap_node realdev_vid_node; | |
320 | struct hmap_node vlandev_node; | |
4e022ec0 AW |
321 | ofp_port_t realdev_ofp_port; |
322 | ofp_port_t vlandev_ofp_port; | |
52a90c29 BP |
323 | int vid; |
324 | }; | |
325 | ||
52a90c29 | 326 | static void vsp_remove(struct ofport_dpif *); |
4e022ec0 | 327 | static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid); |
52a90c29 | 328 | |
46c88433 EJ |
329 | static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *, |
330 | ofp_port_t); | |
331 | ||
4e022ec0 | 332 | static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *, |
46c88433 | 333 | odp_port_t); |
e1b1d06a | 334 | |
abe529af BP |
335 | static struct ofport_dpif * |
336 | ofport_dpif_cast(const struct ofport *ofport) | |
337 | { | |
abe529af BP |
338 | return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL; |
339 | } | |
340 | ||
341 | static void port_run(struct ofport_dpif *); | |
0aa66d6e | 342 | static void port_run_fast(struct ofport_dpif *); |
abe529af | 343 | static void port_wait(struct ofport_dpif *); |
8aee94b6 | 344 | static int set_bfd(struct ofport *, const struct smap *); |
a5610457 | 345 | static int set_cfm(struct ofport *, const struct cfm_settings *); |
6cbbf4fa | 346 | static void ofport_update_peer(struct ofport_dpif *); |
8fa4d1d0 | 347 | static void run_fast_rl(void); |
3d9c5e58 | 348 | static int run_fast(struct ofproto *); |
abe529af | 349 | |
7ee20df1 BP |
350 | struct dpif_completion { |
351 | struct list list_node; | |
352 | struct ofoperation *op; | |
353 | }; | |
354 | ||
cdc3ab65 EJ |
355 | /* Reasons that we might need to revalidate every facet, and corresponding |
356 | * coverage counters. | |
357 | * | |
358 | * A value of 0 means that there is no need to revalidate. | |
359 | * | |
360 | * It would be nice to have some cleaner way to integrate with coverage | |
361 | * counters, but with only a few reasons I guess this is good enough for | |
362 | * now. */ | |
363 | enum revalidate_reason { | |
364 | REV_RECONFIGURE = 1, /* Switch configuration changed. */ | |
365 | REV_STP, /* Spanning tree protocol port status change. */ | |
4a1b8f30 | 366 | REV_BOND, /* Bonding changed. */ |
cdc3ab65 EJ |
367 | REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/ |
368 | REV_FLOW_TABLE, /* Flow table changed. */ | |
30618594 | 369 | REV_MAC_LEARNING, /* Mac learning changed. */ |
cdc3ab65 EJ |
370 | REV_INCONSISTENCY /* Facet self-check failed. */ |
371 | }; | |
3c4a309c BP |
372 | COVERAGE_DEFINE(rev_reconfigure); |
373 | COVERAGE_DEFINE(rev_stp); | |
4a1b8f30 | 374 | COVERAGE_DEFINE(rev_bond); |
3c4a309c BP |
375 | COVERAGE_DEFINE(rev_port_toggled); |
376 | COVERAGE_DEFINE(rev_flow_table); | |
30618594 | 377 | COVERAGE_DEFINE(rev_mac_learning); |
3c4a309c BP |
378 | COVERAGE_DEFINE(rev_inconsistency); |
379 | ||
cdc3ab65 EJ |
380 | struct avg_subfacet_rates { |
381 | double add_rate; /* Moving average of new flows created per minute. */ | |
382 | double del_rate; /* Moving average of flows deleted per minute. */ | |
383 | }; | |
384 | ||
385 | /* All datapaths of a given type share a single dpif backer instance. */ | |
386 | struct dpif_backer { | |
387 | char *type; | |
388 | int refcount; | |
389 | struct dpif *dpif; | |
e1ec7dd4 | 390 | struct udpif *udpif; |
cdc3ab65 | 391 | struct timer next_expiration; |
8449c4d6 EJ |
392 | |
393 | struct ovs_rwlock odp_to_ofport_lock; | |
394 | struct hmap odp_to_ofport_map OVS_GUARDED; /* ODP port to ofport map. */ | |
cdc3ab65 EJ |
395 | |
396 | struct simap tnl_backers; /* Set of dpif ports backing tunnels. */ | |
397 | ||
398 | /* Facet revalidation flags applying to facets which use this backer. */ | |
399 | enum revalidate_reason need_revalidate; /* Revalidate every facet. */ | |
cdc3ab65 EJ |
400 | |
401 | struct hmap drop_keys; /* Set of dropped odp keys. */ | |
402 | bool recv_set_enable; /* Enables or disables receiving packets. */ | |
403 | ||
404 | struct hmap subfacets; | |
405 | struct governor *governor; | |
406 | ||
407 | /* Subfacet statistics. | |
408 | * | |
409 | * These keep track of the total number of subfacets added and deleted and | |
410 | * flow life span. They are useful for computing the flow rates stats | |
411 | * exposed via "ovs-appctl dpif/show". The goal is to learn about | |
412 | * traffic patterns in ways that we can use later to improve Open vSwitch | |
413 | * performance in new situations. */ | |
414 | long long int created; /* Time when it is created. */ | |
415 | unsigned max_n_subfacet; /* Maximum number of flows */ | |
416 | unsigned avg_n_subfacet; /* Average number of flows. */ | |
417 | long long int avg_subfacet_life; /* Average life span of subfacets. */ | |
418 | ||
419 | /* The average number of subfacets... */ | |
420 | struct avg_subfacet_rates hourly; /* ...over the last hour. */ | |
421 | struct avg_subfacet_rates daily; /* ...over the last day. */ | |
422 | struct avg_subfacet_rates lifetime; /* ...over the switch lifetime. */ | |
423 | long long int last_minute; /* Last time 'hourly' was updated. */ | |
424 | ||
425 | /* Number of subfacets added or deleted since 'last_minute'. */ | |
426 | unsigned subfacet_add_count; | |
427 | unsigned subfacet_del_count; | |
428 | ||
429 | /* Number of subfacets added or deleted from 'created' to 'last_minute.' */ | |
430 | unsigned long long int total_subfacet_add_count; | |
431 | unsigned long long int total_subfacet_del_count; | |
448a4b2f AW |
432 | |
433 | /* Number of upcall handling threads. */ | |
434 | unsigned int n_handler_threads; | |
cdc3ab65 EJ |
435 | }; |
436 | ||
acf60855 JP |
437 | /* All existing ofproto_backer instances, indexed by ofproto->up.type. */ |
438 | static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers); | |
439 | ||
8f73d537 | 440 | static void drop_key_clear(struct dpif_backer *); |
dc54ef36 | 441 | static void update_moving_averages(struct dpif_backer *backer); |
735d7efb | 442 | |
46c88433 EJ |
443 | struct ofproto_dpif { |
444 | struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */ | |
445 | struct ofproto up; | |
446 | struct dpif_backer *backer; | |
447 | ||
448 | /* Special OpenFlow rules. */ | |
449 | struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */ | |
450 | struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */ | |
451 | struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */ | |
452 | ||
453 | /* Bridging. */ | |
454 | struct netflow *netflow; | |
455 | struct dpif_sflow *sflow; | |
456 | struct dpif_ipfix *ipfix; | |
457 | struct hmap bundles; /* Contains "struct ofbundle"s. */ | |
458 | struct mac_learning *ml; | |
459 | bool has_bonded_bundles; | |
460 | struct mbridge *mbridge; | |
461 | ||
462 | /* Facets. */ | |
463 | struct classifier facets; /* Contains 'struct facet's. */ | |
464 | long long int consistency_rl; | |
465 | ||
46c88433 EJ |
466 | /* Support for debugging async flow mods. */ |
467 | struct list completions; | |
468 | ||
469 | struct netdev_stats stats; /* To account packets generated and consumed in | |
470 | * userspace. */ | |
471 | ||
472 | /* Spanning tree. */ | |
473 | struct stp *stp; | |
474 | long long int stp_last_tick; | |
475 | ||
476 | /* VLAN splinters. */ | |
13501305 EJ |
477 | struct ovs_mutex vsp_mutex; |
478 | struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */ | |
479 | struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */ | |
46c88433 EJ |
480 | |
481 | /* Ports. */ | |
482 | struct sset ports; /* Set of standard port names. */ | |
483 | struct sset ghost_ports; /* Ports with no datapath port. */ | |
484 | struct sset port_poll_set; /* Queued names for port_poll() reply. */ | |
485 | int port_poll_errno; /* Last errno for port_poll() reply. */ | |
486 | ||
487 | /* Per ofproto's dpif stats. */ | |
488 | uint64_t n_hit; | |
489 | uint64_t n_missed; | |
3d9c5e58 EJ |
490 | |
491 | /* Work queues. */ | |
492 | struct ovs_mutex flow_mod_mutex; | |
493 | struct list flow_mods OVS_GUARDED; | |
494 | size_t n_flow_mods OVS_GUARDED; | |
ada3a58d EJ |
495 | |
496 | struct ovs_mutex pin_mutex; | |
497 | struct list pins OVS_GUARDED; | |
498 | size_t n_pins OVS_GUARDED; | |
46c88433 EJ |
499 | }; |
500 | ||
7ee20df1 BP |
501 | /* Defer flow mod completion until "ovs-appctl ofproto/unclog"? (Useful only |
502 | * for debugging the asynchronous flow_mod implementation.) */ | |
503 | static bool clogged; | |
504 | ||
6b35e630 JP |
505 | /* By default, flows in the datapath are wildcarded (megaflows). They |
506 | * may be disabled with the "ovs-appctl dpif/disable-megaflows" command. */ | |
507 | static bool enable_megaflows = true; | |
508 | ||
b44a10b7 BP |
509 | /* All existing ofproto_dpif instances, indexed by ->up.name. */ |
510 | static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs); | |
511 | ||
abe529af BP |
512 | static void ofproto_dpif_unixctl_init(void); |
513 | ||
46c88433 EJ |
514 | static inline struct ofproto_dpif * |
515 | ofproto_dpif_cast(const struct ofproto *ofproto) | |
516 | { | |
517 | ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class); | |
518 | return CONTAINER_OF(ofproto, struct ofproto_dpif, up); | |
519 | } | |
520 | ||
521 | static struct ofport_dpif *get_ofp_port(const struct ofproto_dpif *ofproto, | |
522 | ofp_port_t ofp_port); | |
ade6ad9c EJ |
523 | static void ofproto_trace(struct ofproto_dpif *, const struct flow *, |
524 | const struct ofpbuf *packet, struct ds *); | |
46c88433 | 525 | |
501f8d1f | 526 | /* Upcalls. */ |
e1ec7dd4 | 527 | static void handle_upcalls(struct dpif_backer *); |
abe529af BP |
528 | |
529 | /* Flow expiration. */ | |
acf60855 | 530 | static int expire(struct dpif_backer *); |
abe529af | 531 | |
6fca1ffb BP |
532 | /* NetFlow. */ |
533 | static void send_netflow_active_timeouts(struct ofproto_dpif *); | |
534 | ||
abe529af | 535 | /* Utilities. */ |
52a90c29 | 536 | static int send_packet(const struct ofport_dpif *, struct ofpbuf *packet); |
9583bc14 | 537 | |
abe529af BP |
538 | /* Global variables. */ |
539 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
acf60855 JP |
540 | |
541 | /* Initial mappings of port to bridge mappings. */ | |
542 | static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports); | |
46c88433 | 543 | |
3d9c5e58 EJ |
544 | /* Executes and takes ownership of 'fm'. */ |
545 | void | |
46c88433 EJ |
546 | ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto, |
547 | struct ofputil_flow_mod *fm) | |
548 | { | |
3d9c5e58 EJ |
549 | ovs_mutex_lock(&ofproto->flow_mod_mutex); |
550 | if (ofproto->n_flow_mods > 1024) { | |
551 | ovs_mutex_unlock(&ofproto->flow_mod_mutex); | |
552 | COVERAGE_INC(flow_mod_overflow); | |
553 | free(fm->ofpacts); | |
554 | free(fm); | |
555 | return; | |
556 | } | |
557 | ||
558 | list_push_back(&ofproto->flow_mods, &fm->list_node); | |
559 | ofproto->n_flow_mods++; | |
560 | ovs_mutex_unlock(&ofproto->flow_mod_mutex); | |
46c88433 EJ |
561 | } |
562 | ||
d5ff77e2 YT |
563 | /* Appends 'pin' to the queue of "packet ins" to be sent to the controller. |
564 | * Takes ownership of 'pin' and pin->packet. */ | |
46c88433 EJ |
565 | void |
566 | ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto, | |
567 | struct ofputil_packet_in *pin) | |
568 | { | |
ada3a58d EJ |
569 | ovs_mutex_lock(&ofproto->pin_mutex); |
570 | if (ofproto->n_pins > 1024) { | |
571 | ovs_mutex_unlock(&ofproto->pin_mutex); | |
572 | COVERAGE_INC(packet_in_overflow); | |
573 | free(CONST_CAST(void *, pin->packet)); | |
574 | free(pin); | |
575 | return; | |
576 | } | |
577 | ||
578 | list_push_back(&ofproto->pins, &pin->list_node); | |
579 | ofproto->n_pins++; | |
580 | ovs_mutex_unlock(&ofproto->pin_mutex); | |
46c88433 | 581 | } |
abe529af BP |
582 | \f |
583 | /* Factory functions. */ | |
584 | ||
b0408fca | 585 | static void |
acf60855 | 586 | init(const struct shash *iface_hints) |
b0408fca | 587 | { |
acf60855 JP |
588 | struct shash_node *node; |
589 | ||
590 | /* Make a local copy, since we don't own 'iface_hints' elements. */ | |
591 | SHASH_FOR_EACH(node, iface_hints) { | |
592 | const struct iface_hint *orig_hint = node->data; | |
593 | struct iface_hint *new_hint = xmalloc(sizeof *new_hint); | |
594 | ||
595 | new_hint->br_name = xstrdup(orig_hint->br_name); | |
596 | new_hint->br_type = xstrdup(orig_hint->br_type); | |
597 | new_hint->ofp_port = orig_hint->ofp_port; | |
598 | ||
599 | shash_add(&init_ofp_ports, node->name, new_hint); | |
600 | } | |
b0408fca JP |
601 | } |
602 | ||
abe529af BP |
603 | static void |
604 | enumerate_types(struct sset *types) | |
605 | { | |
606 | dp_enumerate_types(types); | |
607 | } | |
608 | ||
609 | static int | |
610 | enumerate_names(const char *type, struct sset *names) | |
611 | { | |
acf60855 JP |
612 | struct ofproto_dpif *ofproto; |
613 | ||
614 | sset_clear(names); | |
615 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
616 | if (strcmp(type, ofproto->up.type)) { | |
617 | continue; | |
618 | } | |
619 | sset_add(names, ofproto->up.name); | |
620 | } | |
621 | ||
622 | return 0; | |
abe529af BP |
623 | } |
624 | ||
625 | static int | |
626 | del(const char *type, const char *name) | |
627 | { | |
628 | struct dpif *dpif; | |
629 | int error; | |
630 | ||
631 | error = dpif_open(name, type, &dpif); | |
632 | if (!error) { | |
633 | error = dpif_delete(dpif); | |
634 | dpif_close(dpif); | |
635 | } | |
636 | return error; | |
637 | } | |
638 | \f | |
0aeaabc8 JP |
639 | static const char * |
640 | port_open_type(const char *datapath_type, const char *port_type) | |
641 | { | |
642 | return dpif_port_open_type(datapath_type, port_type); | |
643 | } | |
644 | ||
acf60855 JP |
645 | /* Type functions. */ |
646 | ||
36beb9be BP |
647 | static void process_dpif_port_changes(struct dpif_backer *); |
648 | static void process_dpif_all_ports_changed(struct dpif_backer *); | |
649 | static void process_dpif_port_change(struct dpif_backer *, | |
650 | const char *devname); | |
651 | static void process_dpif_port_error(struct dpif_backer *, int error); | |
652 | ||
476cb42a BP |
653 | static struct ofproto_dpif * |
654 | lookup_ofproto_dpif_by_port_name(const char *name) | |
655 | { | |
656 | struct ofproto_dpif *ofproto; | |
657 | ||
658 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
659 | if (sset_contains(&ofproto->ports, name)) { | |
660 | return ofproto; | |
661 | } | |
662 | } | |
663 | ||
664 | return NULL; | |
665 | } | |
666 | ||
acf60855 JP |
667 | static int |
668 | type_run(const char *type) | |
669 | { | |
e20b5746 | 670 | static long long int push_timer = LLONG_MIN; |
acf60855 | 671 | struct dpif_backer *backer; |
acf60855 JP |
672 | |
673 | backer = shash_find_data(&all_dpif_backers, type); | |
674 | if (!backer) { | |
675 | /* This is not necessarily a problem, since backers are only | |
676 | * created on demand. */ | |
677 | return 0; | |
678 | } | |
679 | ||
680 | dpif_run(backer->dpif); | |
681 | ||
e20b5746 EJ |
682 | /* The most natural place to push facet statistics is when they're pulled |
683 | * from the datapath. However, when there are many flows in the datapath, | |
684 | * this expensive operation can occur so frequently, that it reduces our | |
685 | * ability to quickly set up flows. To reduce the cost, we push statistics | |
686 | * here instead. */ | |
687 | if (time_msec() > push_timer) { | |
688 | push_timer = time_msec() + 2000; | |
689 | push_all_stats(); | |
690 | } | |
691 | ||
40358701 GS |
692 | /* If vswitchd started with other_config:flow_restore_wait set as "true", |
693 | * and the configuration has now changed to "false", enable receiving | |
694 | * packets from the datapath. */ | |
695 | if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) { | |
36beb9be BP |
696 | int error; |
697 | ||
40358701 GS |
698 | backer->recv_set_enable = true; |
699 | ||
700 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); | |
701 | if (error) { | |
e1ec7dd4 | 702 | udpif_recv_set(backer->udpif, 0, false); |
40358701 GS |
703 | VLOG_ERR("Failed to enable receiving packets in dpif."); |
704 | return error; | |
705 | } | |
448a4b2f AW |
706 | udpif_recv_set(backer->udpif, n_handler_threads, |
707 | backer->recv_set_enable); | |
40358701 GS |
708 | dpif_flow_flush(backer->dpif); |
709 | backer->need_revalidate = REV_RECONFIGURE; | |
710 | } | |
711 | ||
448a4b2f AW |
712 | /* If the n_handler_threads is reconfigured, call udpif_recv_set() |
713 | * to reset the handler threads. */ | |
714 | if (backer->n_handler_threads != n_handler_threads) { | |
715 | udpif_recv_set(backer->udpif, n_handler_threads, | |
716 | backer->recv_set_enable); | |
717 | backer->n_handler_threads = n_handler_threads; | |
718 | } | |
719 | ||
a1616063 | 720 | if (backer->need_revalidate) { |
2cc3c58e | 721 | struct ofproto_dpif *ofproto; |
a614d823 KM |
722 | struct simap_node *node; |
723 | struct simap tmp_backers; | |
724 | ||
725 | /* Handle tunnel garbage collection. */ | |
726 | simap_init(&tmp_backers); | |
727 | simap_swap(&backer->tnl_backers, &tmp_backers); | |
728 | ||
729 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
730 | struct ofport_dpif *iter; | |
731 | ||
732 | if (backer != ofproto->backer) { | |
733 | continue; | |
734 | } | |
735 | ||
736 | HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) { | |
3aa30359 | 737 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
a614d823 KM |
738 | const char *dp_port; |
739 | ||
42943cde | 740 | if (!iter->is_tunnel) { |
a614d823 KM |
741 | continue; |
742 | } | |
743 | ||
3aa30359 BP |
744 | dp_port = netdev_vport_get_dpif_port(iter->up.netdev, |
745 | namebuf, sizeof namebuf); | |
a614d823 KM |
746 | node = simap_find(&tmp_backers, dp_port); |
747 | if (node) { | |
748 | simap_put(&backer->tnl_backers, dp_port, node->data); | |
749 | simap_delete(&tmp_backers, node); | |
750 | node = simap_find(&backer->tnl_backers, dp_port); | |
751 | } else { | |
752 | node = simap_find(&backer->tnl_backers, dp_port); | |
753 | if (!node) { | |
4e022ec0 | 754 | odp_port_t odp_port = ODPP_NONE; |
a614d823 KM |
755 | |
756 | if (!dpif_port_add(backer->dpif, iter->up.netdev, | |
757 | &odp_port)) { | |
4e022ec0 AW |
758 | simap_put(&backer->tnl_backers, dp_port, |
759 | odp_to_u32(odp_port)); | |
a614d823 KM |
760 | node = simap_find(&backer->tnl_backers, dp_port); |
761 | } | |
762 | } | |
763 | } | |
764 | ||
4e022ec0 | 765 | iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE; |
42943cde EJ |
766 | if (tnl_port_reconfigure(iter, iter->up.netdev, |
767 | iter->odp_port)) { | |
a614d823 KM |
768 | backer->need_revalidate = REV_RECONFIGURE; |
769 | } | |
770 | } | |
771 | } | |
772 | ||
773 | SIMAP_FOR_EACH (node, &tmp_backers) { | |
4e022ec0 | 774 | dpif_port_del(backer->dpif, u32_to_odp(node->data)); |
a614d823 KM |
775 | } |
776 | simap_destroy(&tmp_backers); | |
2cc3c58e EJ |
777 | |
778 | switch (backer->need_revalidate) { | |
779 | case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break; | |
780 | case REV_STP: COVERAGE_INC(rev_stp); break; | |
4a1b8f30 | 781 | case REV_BOND: COVERAGE_INC(rev_bond); break; |
2cc3c58e EJ |
782 | case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break; |
783 | case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break; | |
30618594 | 784 | case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break; |
2cc3c58e EJ |
785 | case REV_INCONSISTENCY: COVERAGE_INC(rev_inconsistency); break; |
786 | } | |
f728af2e BP |
787 | backer->need_revalidate = 0; |
788 | ||
a1616063 EJ |
789 | /* Clear the drop_keys in case we should now be accepting some |
790 | * formerly dropped flows. */ | |
791 | drop_key_clear(backer); | |
792 | ||
2cc3c58e | 793 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { |
f231418e | 794 | struct facet *facet, *next; |
a1616063 | 795 | struct ofport_dpif *ofport; |
bcd2633a | 796 | struct cls_cursor cursor; |
a1616063 | 797 | struct ofbundle *bundle; |
2cc3c58e EJ |
798 | |
799 | if (ofproto->backer != backer) { | |
800 | continue; | |
801 | } | |
802 | ||
dc24a00f | 803 | ovs_rwlock_wrlock(&xlate_rwlock); |
89a8a7f0 | 804 | xlate_ofproto_set(ofproto, ofproto->up.name, |
ec89fc6f EJ |
805 | ofproto->backer->dpif, ofproto->miss_rule, |
806 | ofproto->no_packet_in_rule, ofproto->ml, | |
9d189a50 EJ |
807 | ofproto->stp, ofproto->mbridge, |
808 | ofproto->sflow, ofproto->ipfix, | |
809 | ofproto->up.frag_handling, | |
a1616063 EJ |
810 | ofproto->up.forward_bpdu, |
811 | connmgr_has_in_band(ofproto->up.connmgr), | |
9d189a50 | 812 | ofproto->netflow != NULL); |
46c88433 | 813 | |
a1616063 EJ |
814 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { |
815 | xlate_bundle_set(ofproto, bundle, bundle->name, | |
816 | bundle->vlan_mode, bundle->vlan, | |
817 | bundle->trunks, bundle->use_priority_tags, | |
818 | bundle->bond, bundle->lacp, | |
819 | bundle->floodable); | |
820 | } | |
821 | ||
822 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
9d189a50 EJ |
823 | int stp_port = ofport->stp_port |
824 | ? stp_port_no(ofport->stp_port) | |
825 | : 0; | |
a1616063 EJ |
826 | xlate_ofport_set(ofproto, ofport->bundle, ofport, |
827 | ofport->up.ofp_port, ofport->odp_port, | |
828 | ofport->up.netdev, ofport->cfm, | |
9d189a50 | 829 | ofport->bfd, ofport->peer, stp_port, |
55954f6e | 830 | ofport->qdscp, ofport->n_qdscp, |
9d189a50 EJ |
831 | ofport->up.pp.config, ofport->is_tunnel, |
832 | ofport->may_enable); | |
46c88433 | 833 | } |
dc24a00f | 834 | ovs_rwlock_unlock(&xlate_rwlock); |
46c88433 | 835 | |
0b4f2078 EJ |
836 | /* Only ofproto-dpif cares about the facet classifier so we just |
837 | * lock cls_cursor_init() to appease the thread safety analysis. */ | |
838 | ovs_rwlock_rdlock(&ofproto->facets.rwlock); | |
bcd2633a | 839 | cls_cursor_init(&cursor, &ofproto->facets, NULL); |
0b4f2078 | 840 | ovs_rwlock_unlock(&ofproto->facets.rwlock); |
bcd2633a | 841 | CLS_CURSOR_FOR_EACH_SAFE (facet, next, cr, &cursor) { |
a1616063 EJ |
842 | facet_revalidate(facet); |
843 | run_fast_rl(); | |
2cc3c58e EJ |
844 | } |
845 | } | |
e1ec7dd4 EJ |
846 | |
847 | udpif_revalidate(backer->udpif); | |
2cc3c58e EJ |
848 | } |
849 | ||
40358701 GS |
850 | if (!backer->recv_set_enable) { |
851 | /* Wake up before a max of 1000ms. */ | |
852 | timer_set_duration(&backer->next_expiration, 1000); | |
853 | } else if (timer_expired(&backer->next_expiration)) { | |
acf60855 JP |
854 | int delay = expire(backer); |
855 | timer_set_duration(&backer->next_expiration, delay); | |
856 | } | |
857 | ||
36beb9be | 858 | process_dpif_port_changes(backer); |
acf60855 | 859 | |
04d08d54 EJ |
860 | if (backer->governor) { |
861 | size_t n_subfacets; | |
862 | ||
863 | governor_run(backer->governor); | |
864 | ||
865 | /* If the governor has shrunk to its minimum size and the number of | |
866 | * subfacets has dwindled, then drop the governor entirely. | |
867 | * | |
868 | * For hysteresis, the number of subfacets to drop the governor is | |
869 | * smaller than the number needed to trigger its creation. */ | |
870 | n_subfacets = hmap_count(&backer->subfacets); | |
871 | if (n_subfacets * 4 < flow_eviction_threshold | |
872 | && governor_is_idle(backer->governor)) { | |
873 | governor_destroy(backer->governor); | |
874 | backer->governor = NULL; | |
875 | } | |
876 | } | |
877 | ||
acf60855 JP |
878 | return 0; |
879 | } | |
880 | ||
36beb9be BP |
881 | /* Check for and handle port changes in 'backer''s dpif. */ |
882 | static void | |
883 | process_dpif_port_changes(struct dpif_backer *backer) | |
884 | { | |
885 | for (;;) { | |
886 | char *devname; | |
887 | int error; | |
888 | ||
889 | error = dpif_port_poll(backer->dpif, &devname); | |
890 | switch (error) { | |
891 | case EAGAIN: | |
892 | return; | |
893 | ||
894 | case ENOBUFS: | |
895 | process_dpif_all_ports_changed(backer); | |
896 | break; | |
897 | ||
898 | case 0: | |
899 | process_dpif_port_change(backer, devname); | |
900 | free(devname); | |
901 | break; | |
902 | ||
903 | default: | |
904 | process_dpif_port_error(backer, error); | |
905 | break; | |
906 | } | |
907 | } | |
908 | } | |
909 | ||
910 | static void | |
911 | process_dpif_all_ports_changed(struct dpif_backer *backer) | |
912 | { | |
913 | struct ofproto_dpif *ofproto; | |
914 | struct dpif_port dpif_port; | |
915 | struct dpif_port_dump dump; | |
916 | struct sset devnames; | |
917 | const char *devname; | |
918 | ||
919 | sset_init(&devnames); | |
920 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
921 | if (ofproto->backer == backer) { | |
922 | struct ofport *ofport; | |
923 | ||
924 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
925 | sset_add(&devnames, netdev_get_name(ofport->netdev)); | |
926 | } | |
927 | } | |
928 | } | |
929 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) { | |
930 | sset_add(&devnames, dpif_port.name); | |
931 | } | |
932 | ||
933 | SSET_FOR_EACH (devname, &devnames) { | |
934 | process_dpif_port_change(backer, devname); | |
935 | } | |
936 | sset_destroy(&devnames); | |
937 | } | |
938 | ||
939 | static void | |
940 | process_dpif_port_change(struct dpif_backer *backer, const char *devname) | |
941 | { | |
942 | struct ofproto_dpif *ofproto; | |
943 | struct dpif_port port; | |
944 | ||
945 | /* Don't report on the datapath's device. */ | |
946 | if (!strcmp(devname, dpif_base_name(backer->dpif))) { | |
947 | return; | |
948 | } | |
949 | ||
950 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, | |
951 | &all_ofproto_dpifs) { | |
952 | if (simap_contains(&ofproto->backer->tnl_backers, devname)) { | |
953 | return; | |
954 | } | |
955 | } | |
956 | ||
957 | ofproto = lookup_ofproto_dpif_by_port_name(devname); | |
958 | if (dpif_port_query_by_name(backer->dpif, devname, &port)) { | |
959 | /* The port was removed. If we know the datapath, | |
960 | * report it through poll_set(). If we don't, it may be | |
961 | * notifying us of a removal we initiated, so ignore it. | |
962 | * If there's a pending ENOBUFS, let it stand, since | |
963 | * everything will be reevaluated. */ | |
964 | if (ofproto && ofproto->port_poll_errno != ENOBUFS) { | |
965 | sset_add(&ofproto->port_poll_set, devname); | |
966 | ofproto->port_poll_errno = 0; | |
967 | } | |
968 | } else if (!ofproto) { | |
969 | /* The port was added, but we don't know with which | |
970 | * ofproto we should associate it. Delete it. */ | |
971 | dpif_port_del(backer->dpif, port.port_no); | |
74cc3969 BP |
972 | } else { |
973 | struct ofport_dpif *ofport; | |
974 | ||
975 | ofport = ofport_dpif_cast(shash_find_data( | |
976 | &ofproto->up.port_by_name, devname)); | |
977 | if (ofport | |
978 | && ofport->odp_port != port.port_no | |
979 | && !odp_port_to_ofport(backer, port.port_no)) | |
980 | { | |
981 | /* 'ofport''s datapath port number has changed from | |
982 | * 'ofport->odp_port' to 'port.port_no'. Update our internal data | |
983 | * structures to match. */ | |
8449c4d6 | 984 | ovs_rwlock_wrlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
985 | hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node); |
986 | ofport->odp_port = port.port_no; | |
987 | hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node, | |
988 | hash_odp_port(port.port_no)); | |
8449c4d6 | 989 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
990 | backer->need_revalidate = REV_RECONFIGURE; |
991 | } | |
36beb9be BP |
992 | } |
993 | dpif_port_destroy(&port); | |
994 | } | |
995 | ||
996 | /* Propagate 'error' to all ofprotos based on 'backer'. */ | |
997 | static void | |
998 | process_dpif_port_error(struct dpif_backer *backer, int error) | |
999 | { | |
1000 | struct ofproto_dpif *ofproto; | |
1001 | ||
1002 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
1003 | if (ofproto->backer == backer) { | |
1004 | sset_clear(&ofproto->port_poll_set); | |
1005 | ofproto->port_poll_errno = error; | |
1006 | } | |
1007 | } | |
1008 | } | |
1009 | ||
acf60855 | 1010 | static int |
e1ec7dd4 | 1011 | dpif_backer_run_fast(struct dpif_backer *backer) |
acf60855 | 1012 | { |
e1ec7dd4 EJ |
1013 | udpif_run(backer->udpif); |
1014 | handle_upcalls(backer); | |
acf60855 JP |
1015 | |
1016 | return 0; | |
1017 | } | |
1018 | ||
8fa4d1d0 EJ |
1019 | static int |
1020 | type_run_fast(const char *type) | |
1021 | { | |
1022 | struct dpif_backer *backer; | |
1023 | ||
1024 | backer = shash_find_data(&all_dpif_backers, type); | |
1025 | if (!backer) { | |
1026 | /* This is not necessarily a problem, since backers are only | |
1027 | * created on demand. */ | |
1028 | return 0; | |
1029 | } | |
1030 | ||
e1ec7dd4 | 1031 | return dpif_backer_run_fast(backer); |
8fa4d1d0 EJ |
1032 | } |
1033 | ||
1034 | static void | |
1035 | run_fast_rl(void) | |
1036 | { | |
1037 | static long long int port_rl = LLONG_MIN; | |
8fa4d1d0 EJ |
1038 | |
1039 | if (time_msec() >= port_rl) { | |
1040 | struct ofproto_dpif *ofproto; | |
8fa4d1d0 EJ |
1041 | |
1042 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
3d9c5e58 | 1043 | run_fast(&ofproto->up); |
8fa4d1d0 EJ |
1044 | } |
1045 | port_rl = time_msec() + 200; | |
1046 | } | |
8fa4d1d0 EJ |
1047 | } |
1048 | ||
acf60855 JP |
1049 | static void |
1050 | type_wait(const char *type) | |
1051 | { | |
1052 | struct dpif_backer *backer; | |
1053 | ||
1054 | backer = shash_find_data(&all_dpif_backers, type); | |
1055 | if (!backer) { | |
1056 | /* This is not necessarily a problem, since backers are only | |
1057 | * created on demand. */ | |
1058 | return; | |
1059 | } | |
1060 | ||
04d08d54 EJ |
1061 | if (backer->governor) { |
1062 | governor_wait(backer->governor); | |
1063 | } | |
1064 | ||
acf60855 | 1065 | timer_wait(&backer->next_expiration); |
c0365fc8 YT |
1066 | dpif_wait(backer->dpif); |
1067 | udpif_wait(backer->udpif); | |
acf60855 JP |
1068 | } |
1069 | \f | |
abe529af BP |
1070 | /* Basic life-cycle. */ |
1071 | ||
c57b2226 BP |
1072 | static int add_internal_flows(struct ofproto_dpif *); |
1073 | ||
abe529af BP |
1074 | static struct ofproto * |
1075 | alloc(void) | |
1076 | { | |
1077 | struct ofproto_dpif *ofproto = xmalloc(sizeof *ofproto); | |
1078 | return &ofproto->up; | |
1079 | } | |
1080 | ||
1081 | static void | |
1082 | dealloc(struct ofproto *ofproto_) | |
1083 | { | |
1084 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1085 | free(ofproto); | |
1086 | } | |
1087 | ||
acf60855 JP |
1088 | static void |
1089 | close_dpif_backer(struct dpif_backer *backer) | |
1090 | { | |
1091 | struct shash_node *node; | |
1092 | ||
cb22974d | 1093 | ovs_assert(backer->refcount > 0); |
acf60855 JP |
1094 | |
1095 | if (--backer->refcount) { | |
1096 | return; | |
1097 | } | |
1098 | ||
8f73d537 EJ |
1099 | drop_key_clear(backer); |
1100 | hmap_destroy(&backer->drop_keys); | |
1101 | ||
7d82ab2e | 1102 | simap_destroy(&backer->tnl_backers); |
8449c4d6 | 1103 | ovs_rwlock_destroy(&backer->odp_to_ofport_lock); |
acf60855 JP |
1104 | hmap_destroy(&backer->odp_to_ofport_map); |
1105 | node = shash_find(&all_dpif_backers, backer->type); | |
1106 | free(backer->type); | |
1107 | shash_delete(&all_dpif_backers, node); | |
e1ec7dd4 | 1108 | udpif_destroy(backer->udpif); |
acf60855 JP |
1109 | dpif_close(backer->dpif); |
1110 | ||
04d08d54 EJ |
1111 | ovs_assert(hmap_is_empty(&backer->subfacets)); |
1112 | hmap_destroy(&backer->subfacets); | |
1113 | governor_destroy(backer->governor); | |
1114 | ||
acf60855 JP |
1115 | free(backer); |
1116 | } | |
1117 | ||
1118 | /* Datapath port slated for removal from datapath. */ | |
1119 | struct odp_garbage { | |
1120 | struct list list_node; | |
4e022ec0 | 1121 | odp_port_t odp_port; |
acf60855 JP |
1122 | }; |
1123 | ||
1124 | static int | |
1125 | open_dpif_backer(const char *type, struct dpif_backer **backerp) | |
1126 | { | |
1127 | struct dpif_backer *backer; | |
1128 | struct dpif_port_dump port_dump; | |
1129 | struct dpif_port port; | |
1130 | struct shash_node *node; | |
1131 | struct list garbage_list; | |
1132 | struct odp_garbage *garbage, *next; | |
1133 | struct sset names; | |
1134 | char *backer_name; | |
1135 | const char *name; | |
1136 | int error; | |
1137 | ||
1138 | backer = shash_find_data(&all_dpif_backers, type); | |
1139 | if (backer) { | |
1140 | backer->refcount++; | |
1141 | *backerp = backer; | |
1142 | return 0; | |
1143 | } | |
1144 | ||
1145 | backer_name = xasprintf("ovs-%s", type); | |
1146 | ||
1147 | /* Remove any existing datapaths, since we assume we're the only | |
1148 | * userspace controlling the datapath. */ | |
1149 | sset_init(&names); | |
1150 | dp_enumerate_names(type, &names); | |
1151 | SSET_FOR_EACH(name, &names) { | |
1152 | struct dpif *old_dpif; | |
1153 | ||
1154 | /* Don't remove our backer if it exists. */ | |
1155 | if (!strcmp(name, backer_name)) { | |
1156 | continue; | |
1157 | } | |
1158 | ||
1159 | if (dpif_open(name, type, &old_dpif)) { | |
1160 | VLOG_WARN("couldn't open old datapath %s to remove it", name); | |
1161 | } else { | |
1162 | dpif_delete(old_dpif); | |
1163 | dpif_close(old_dpif); | |
1164 | } | |
1165 | } | |
1166 | sset_destroy(&names); | |
1167 | ||
1168 | backer = xmalloc(sizeof *backer); | |
1169 | ||
1170 | error = dpif_create_and_open(backer_name, type, &backer->dpif); | |
1171 | free(backer_name); | |
1172 | if (error) { | |
1173 | VLOG_ERR("failed to open datapath of type %s: %s", type, | |
10a89ef0 | 1174 | ovs_strerror(error)); |
4c1b1289 | 1175 | free(backer); |
acf60855 JP |
1176 | return error; |
1177 | } | |
e1ec7dd4 | 1178 | backer->udpif = udpif_create(backer, backer->dpif); |
acf60855 JP |
1179 | |
1180 | backer->type = xstrdup(type); | |
04d08d54 | 1181 | backer->governor = NULL; |
acf60855 JP |
1182 | backer->refcount = 1; |
1183 | hmap_init(&backer->odp_to_ofport_map); | |
8449c4d6 | 1184 | ovs_rwlock_init(&backer->odp_to_ofport_lock); |
8f73d537 | 1185 | hmap_init(&backer->drop_keys); |
04d08d54 | 1186 | hmap_init(&backer->subfacets); |
acf60855 | 1187 | timer_set_duration(&backer->next_expiration, 1000); |
2cc3c58e | 1188 | backer->need_revalidate = 0; |
7d82ab2e | 1189 | simap_init(&backer->tnl_backers); |
40358701 | 1190 | backer->recv_set_enable = !ofproto_get_flow_restore_wait(); |
acf60855 JP |
1191 | *backerp = backer; |
1192 | ||
40358701 GS |
1193 | if (backer->recv_set_enable) { |
1194 | dpif_flow_flush(backer->dpif); | |
1195 | } | |
acf60855 JP |
1196 | |
1197 | /* Loop through the ports already on the datapath and remove any | |
1198 | * that we don't need anymore. */ | |
1199 | list_init(&garbage_list); | |
1200 | dpif_port_dump_start(&port_dump, backer->dpif); | |
1201 | while (dpif_port_dump_next(&port_dump, &port)) { | |
1202 | node = shash_find(&init_ofp_ports, port.name); | |
1203 | if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) { | |
1204 | garbage = xmalloc(sizeof *garbage); | |
1205 | garbage->odp_port = port.port_no; | |
1206 | list_push_front(&garbage_list, &garbage->list_node); | |
1207 | } | |
1208 | } | |
1209 | dpif_port_dump_done(&port_dump); | |
1210 | ||
1211 | LIST_FOR_EACH_SAFE (garbage, next, list_node, &garbage_list) { | |
1212 | dpif_port_del(backer->dpif, garbage->odp_port); | |
1213 | list_remove(&garbage->list_node); | |
1214 | free(garbage); | |
1215 | } | |
1216 | ||
1217 | shash_add(&all_dpif_backers, type, backer); | |
1218 | ||
40358701 | 1219 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); |
acf60855 JP |
1220 | if (error) { |
1221 | VLOG_ERR("failed to listen on datapath of type %s: %s", | |
10a89ef0 | 1222 | type, ovs_strerror(error)); |
acf60855 JP |
1223 | close_dpif_backer(backer); |
1224 | return error; | |
1225 | } | |
448a4b2f AW |
1226 | udpif_recv_set(backer->udpif, n_handler_threads, |
1227 | backer->recv_set_enable); | |
1228 | backer->n_handler_threads = n_handler_threads; | |
acf60855 | 1229 | |
dc54ef36 EJ |
1230 | backer->max_n_subfacet = 0; |
1231 | backer->created = time_msec(); | |
1232 | backer->last_minute = backer->created; | |
1233 | memset(&backer->hourly, 0, sizeof backer->hourly); | |
1234 | memset(&backer->daily, 0, sizeof backer->daily); | |
1235 | memset(&backer->lifetime, 0, sizeof backer->lifetime); | |
1236 | backer->subfacet_add_count = 0; | |
1237 | backer->subfacet_del_count = 0; | |
1238 | backer->total_subfacet_add_count = 0; | |
1239 | backer->total_subfacet_del_count = 0; | |
1240 | backer->avg_n_subfacet = 0; | |
1241 | backer->avg_subfacet_life = 0; | |
1242 | ||
acf60855 JP |
1243 | return error; |
1244 | } | |
1245 | ||
abe529af | 1246 | static int |
0f5f95a9 | 1247 | construct(struct ofproto *ofproto_) |
abe529af BP |
1248 | { |
1249 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 1250 | struct shash_node *node, *next; |
4e022ec0 | 1251 | odp_port_t max_ports; |
abe529af | 1252 | int error; |
abe529af | 1253 | |
acf60855 | 1254 | error = open_dpif_backer(ofproto->up.type, &ofproto->backer); |
abe529af | 1255 | if (error) { |
abe529af BP |
1256 | return error; |
1257 | } | |
1258 | ||
acf60855 | 1259 | max_ports = dpif_get_max_ports(ofproto->backer->dpif); |
4e022ec0 AW |
1260 | ofproto_init_max_ports(ofproto_, u16_to_ofp(MIN(odp_to_u32(max_ports), |
1261 | ofp_to_u16(OFPP_MAX)))); | |
91858960 | 1262 | |
abe529af BP |
1263 | ofproto->netflow = NULL; |
1264 | ofproto->sflow = NULL; | |
29089a54 | 1265 | ofproto->ipfix = NULL; |
21f7563c | 1266 | ofproto->stp = NULL; |
abe529af | 1267 | hmap_init(&ofproto->bundles); |
e764773c | 1268 | ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME); |
ec7ceaed | 1269 | ofproto->mbridge = mbridge_create(); |
abe529af | 1270 | ofproto->has_bonded_bundles = false; |
834d6caf | 1271 | ovs_mutex_init(&ofproto->vsp_mutex); |
abe529af | 1272 | |
bcd2633a | 1273 | classifier_init(&ofproto->facets); |
4d2a0f39 | 1274 | ofproto->consistency_rl = LLONG_MIN; |
54a9cbc9 | 1275 | |
7ee20df1 BP |
1276 | list_init(&ofproto->completions); |
1277 | ||
834d6caf | 1278 | ovs_mutex_init(&ofproto->flow_mod_mutex); |
3d9c5e58 EJ |
1279 | ovs_mutex_lock(&ofproto->flow_mod_mutex); |
1280 | list_init(&ofproto->flow_mods); | |
1281 | ofproto->n_flow_mods = 0; | |
1282 | ovs_mutex_unlock(&ofproto->flow_mod_mutex); | |
1283 | ||
834d6caf | 1284 | ovs_mutex_init(&ofproto->pin_mutex); |
ada3a58d EJ |
1285 | ovs_mutex_lock(&ofproto->pin_mutex); |
1286 | list_init(&ofproto->pins); | |
1287 | ofproto->n_pins = 0; | |
1288 | ovs_mutex_unlock(&ofproto->pin_mutex); | |
1289 | ||
abe529af BP |
1290 | ofproto_dpif_unixctl_init(); |
1291 | ||
52a90c29 BP |
1292 | hmap_init(&ofproto->vlandev_map); |
1293 | hmap_init(&ofproto->realdev_vid_map); | |
1294 | ||
acf60855 | 1295 | sset_init(&ofproto->ports); |
0a740f48 | 1296 | sset_init(&ofproto->ghost_ports); |
acf60855 JP |
1297 | sset_init(&ofproto->port_poll_set); |
1298 | ofproto->port_poll_errno = 0; | |
1299 | ||
1300 | SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) { | |
4f9e08a5 | 1301 | struct iface_hint *iface_hint = node->data; |
acf60855 JP |
1302 | |
1303 | if (!strcmp(iface_hint->br_name, ofproto->up.name)) { | |
1304 | /* Check if the datapath already has this port. */ | |
1305 | if (dpif_port_exists(ofproto->backer->dpif, node->name)) { | |
1306 | sset_add(&ofproto->ports, node->name); | |
1307 | } | |
1308 | ||
1309 | free(iface_hint->br_name); | |
1310 | free(iface_hint->br_type); | |
4f9e08a5 | 1311 | free(iface_hint); |
acf60855 JP |
1312 | shash_delete(&init_ofp_ports, node); |
1313 | } | |
1314 | } | |
e1b1d06a | 1315 | |
b44a10b7 BP |
1316 | hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node, |
1317 | hash_string(ofproto->up.name, 0)); | |
6527c598 | 1318 | memset(&ofproto->stats, 0, sizeof ofproto->stats); |
0f5f95a9 BP |
1319 | |
1320 | ofproto_init_tables(ofproto_, N_TABLES); | |
c57b2226 BP |
1321 | error = add_internal_flows(ofproto); |
1322 | ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY; | |
1323 | ||
735d7efb AZ |
1324 | ofproto->n_hit = 0; |
1325 | ofproto->n_missed = 0; | |
1326 | ||
c57b2226 BP |
1327 | return error; |
1328 | } | |
1329 | ||
1330 | static int | |
1331 | add_internal_flow(struct ofproto_dpif *ofproto, int id, | |
f25d0cf3 | 1332 | const struct ofpbuf *ofpacts, struct rule_dpif **rulep) |
c57b2226 BP |
1333 | { |
1334 | struct ofputil_flow_mod fm; | |
1335 | int error; | |
1336 | ||
81a76618 BP |
1337 | match_init_catchall(&fm.match); |
1338 | fm.priority = 0; | |
1339 | match_set_reg(&fm.match, 0, id); | |
623e1caf | 1340 | fm.new_cookie = htonll(0); |
c57b2226 BP |
1341 | fm.cookie = htonll(0); |
1342 | fm.cookie_mask = htonll(0); | |
23342857 | 1343 | fm.modify_cookie = false; |
c57b2226 BP |
1344 | fm.table_id = TBL_INTERNAL; |
1345 | fm.command = OFPFC_ADD; | |
1346 | fm.idle_timeout = 0; | |
1347 | fm.hard_timeout = 0; | |
1348 | fm.buffer_id = 0; | |
1349 | fm.out_port = 0; | |
1350 | fm.flags = 0; | |
f25d0cf3 BP |
1351 | fm.ofpacts = ofpacts->data; |
1352 | fm.ofpacts_len = ofpacts->size; | |
c57b2226 BP |
1353 | |
1354 | error = ofproto_flow_mod(&ofproto->up, &fm); | |
1355 | if (error) { | |
1356 | VLOG_ERR_RL(&rl, "failed to add internal flow %d (%s)", | |
1357 | id, ofperr_to_string(error)); | |
1358 | return error; | |
1359 | } | |
1360 | ||
ad3efdcb EJ |
1361 | if (rule_dpif_lookup_in_table(ofproto, &fm.match.flow, NULL, TBL_INTERNAL, |
1362 | rulep)) { | |
1363 | ovs_rwlock_unlock(&(*rulep)->up.evict); | |
1364 | } else { | |
1365 | NOT_REACHED(); | |
1366 | } | |
0f5f95a9 | 1367 | |
abe529af BP |
1368 | return 0; |
1369 | } | |
1370 | ||
c57b2226 BP |
1371 | static int |
1372 | add_internal_flows(struct ofproto_dpif *ofproto) | |
1373 | { | |
f25d0cf3 BP |
1374 | struct ofpact_controller *controller; |
1375 | uint64_t ofpacts_stub[128 / 8]; | |
1376 | struct ofpbuf ofpacts; | |
c57b2226 BP |
1377 | int error; |
1378 | int id; | |
1379 | ||
f25d0cf3 | 1380 | ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub); |
c57b2226 BP |
1381 | id = 1; |
1382 | ||
f25d0cf3 BP |
1383 | controller = ofpact_put_CONTROLLER(&ofpacts); |
1384 | controller->max_len = UINT16_MAX; | |
1385 | controller->controller_id = 0; | |
1386 | controller->reason = OFPR_NO_MATCH; | |
1387 | ofpact_pad(&ofpacts); | |
1388 | ||
1389 | error = add_internal_flow(ofproto, id++, &ofpacts, &ofproto->miss_rule); | |
c57b2226 BP |
1390 | if (error) { |
1391 | return error; | |
1392 | } | |
1393 | ||
f25d0cf3 BP |
1394 | ofpbuf_clear(&ofpacts); |
1395 | error = add_internal_flow(ofproto, id++, &ofpacts, | |
c57b2226 | 1396 | &ofproto->no_packet_in_rule); |
7fd51d39 BP |
1397 | if (error) { |
1398 | return error; | |
1399 | } | |
1400 | ||
1401 | error = add_internal_flow(ofproto, id++, &ofpacts, | |
1402 | &ofproto->drop_frags_rule); | |
c57b2226 BP |
1403 | return error; |
1404 | } | |
1405 | ||
7ee20df1 BP |
1406 | static void |
1407 | complete_operations(struct ofproto_dpif *ofproto) | |
1408 | { | |
1409 | struct dpif_completion *c, *next; | |
1410 | ||
1411 | LIST_FOR_EACH_SAFE (c, next, list_node, &ofproto->completions) { | |
1412 | ofoperation_complete(c->op, 0); | |
1413 | list_remove(&c->list_node); | |
1414 | free(c); | |
1415 | } | |
1416 | } | |
1417 | ||
abe529af BP |
1418 | static void |
1419 | destruct(struct ofproto *ofproto_) | |
1420 | { | |
1421 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
7ee20df1 | 1422 | struct rule_dpif *rule, *next_rule; |
24623c91 | 1423 | struct ofputil_packet_in *pin, *next_pin; |
3d9c5e58 | 1424 | struct ofputil_flow_mod *fm, *next_fm; |
d0918789 | 1425 | struct oftable *table; |
abe529af | 1426 | |
875b94ed | 1427 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
dc24a00f | 1428 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 1429 | xlate_remove_ofproto(ofproto); |
dc24a00f | 1430 | ovs_rwlock_unlock(&xlate_rwlock); |
46c88433 | 1431 | |
b44a10b7 | 1432 | hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node); |
7ee20df1 BP |
1433 | complete_operations(ofproto); |
1434 | ||
0697b5c3 BP |
1435 | OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) { |
1436 | struct cls_cursor cursor; | |
1437 | ||
0b4f2078 | 1438 | ovs_rwlock_wrlock(&table->cls.rwlock); |
d0918789 | 1439 | cls_cursor_init(&cursor, &table->cls, NULL); |
0697b5c3 | 1440 | CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, up.cr, &cursor) { |
0b4f2078 | 1441 | ofproto_rule_destroy(&ofproto->up, &table->cls, &rule->up); |
0697b5c3 | 1442 | } |
0b4f2078 | 1443 | ovs_rwlock_unlock(&table->cls.rwlock); |
7ee20df1 BP |
1444 | } |
1445 | ||
3d9c5e58 EJ |
1446 | ovs_mutex_lock(&ofproto->flow_mod_mutex); |
1447 | LIST_FOR_EACH_SAFE (fm, next_fm, list_node, &ofproto->flow_mods) { | |
1448 | list_remove(&fm->list_node); | |
1449 | ofproto->n_flow_mods--; | |
1450 | free(fm->ofpacts); | |
1451 | free(fm); | |
1452 | } | |
1453 | ovs_mutex_unlock(&ofproto->flow_mod_mutex); | |
1454 | ovs_mutex_destroy(&ofproto->flow_mod_mutex); | |
1455 | ||
ada3a58d EJ |
1456 | ovs_mutex_lock(&ofproto->pin_mutex); |
1457 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &ofproto->pins) { | |
1458 | list_remove(&pin->list_node); | |
1459 | ofproto->n_pins--; | |
24623c91 | 1460 | free(CONST_CAST(void *, pin->packet)); |
ada3a58d EJ |
1461 | free(pin); |
1462 | } | |
1463 | ovs_mutex_unlock(&ofproto->pin_mutex); | |
1464 | ovs_mutex_destroy(&ofproto->pin_mutex); | |
1465 | ||
ec7ceaed | 1466 | mbridge_unref(ofproto->mbridge); |
abe529af BP |
1467 | |
1468 | netflow_destroy(ofproto->netflow); | |
9723bcce | 1469 | dpif_sflow_unref(ofproto->sflow); |
abe529af | 1470 | hmap_destroy(&ofproto->bundles); |
5d989517 | 1471 | mac_learning_unref(ofproto->ml); |
abe529af | 1472 | |
bcd2633a | 1473 | classifier_destroy(&ofproto->facets); |
abe529af | 1474 | |
52a90c29 BP |
1475 | hmap_destroy(&ofproto->vlandev_map); |
1476 | hmap_destroy(&ofproto->realdev_vid_map); | |
1477 | ||
acf60855 | 1478 | sset_destroy(&ofproto->ports); |
0a740f48 | 1479 | sset_destroy(&ofproto->ghost_ports); |
acf60855 | 1480 | sset_destroy(&ofproto->port_poll_set); |
e1b1d06a | 1481 | |
13501305 EJ |
1482 | ovs_mutex_destroy(&ofproto->vsp_mutex); |
1483 | ||
acf60855 | 1484 | close_dpif_backer(ofproto->backer); |
abe529af BP |
1485 | } |
1486 | ||
1487 | static int | |
5fcc0d00 | 1488 | run_fast(struct ofproto *ofproto_) |
abe529af BP |
1489 | { |
1490 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
ada3a58d EJ |
1491 | struct ofputil_packet_in *pin, *next_pin; |
1492 | struct ofputil_flow_mod *fm, *next_fm; | |
1493 | struct list flow_mods, pins; | |
0aa66d6e | 1494 | struct ofport_dpif *ofport; |
abe529af | 1495 | |
40358701 GS |
1496 | /* Do not perform any periodic activity required by 'ofproto' while |
1497 | * waiting for flow restore to complete. */ | |
1498 | if (ofproto_get_flow_restore_wait()) { | |
1499 | return 0; | |
1500 | } | |
1501 | ||
3d9c5e58 EJ |
1502 | ovs_mutex_lock(&ofproto->flow_mod_mutex); |
1503 | if (ofproto->n_flow_mods) { | |
1504 | flow_mods = ofproto->flow_mods; | |
1505 | list_moved(&flow_mods); | |
1506 | list_init(&ofproto->flow_mods); | |
1507 | ofproto->n_flow_mods = 0; | |
1508 | } else { | |
1509 | list_init(&flow_mods); | |
1510 | } | |
1511 | ovs_mutex_unlock(&ofproto->flow_mod_mutex); | |
1512 | ||
ada3a58d | 1513 | LIST_FOR_EACH_SAFE (fm, next_fm, list_node, &flow_mods) { |
3d9c5e58 EJ |
1514 | int error = ofproto_flow_mod(&ofproto->up, fm); |
1515 | if (error && !VLOG_DROP_WARN(&rl)) { | |
1516 | VLOG_WARN("learning action failed to modify flow table (%s)", | |
1517 | ofperr_get_name(error)); | |
1518 | } | |
1519 | ||
1520 | list_remove(&fm->list_node); | |
1521 | free(fm->ofpacts); | |
1522 | free(fm); | |
1523 | } | |
1524 | ||
ada3a58d EJ |
1525 | ovs_mutex_lock(&ofproto->pin_mutex); |
1526 | if (ofproto->n_pins) { | |
1527 | pins = ofproto->pins; | |
1528 | list_moved(&pins); | |
1529 | list_init(&ofproto->pins); | |
1530 | ofproto->n_pins = 0; | |
1531 | } else { | |
1532 | list_init(&pins); | |
1533 | } | |
1534 | ovs_mutex_unlock(&ofproto->pin_mutex); | |
1535 | ||
1536 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) { | |
1537 | connmgr_send_packet_in(ofproto->up.connmgr, pin); | |
1538 | list_remove(&pin->list_node); | |
1539 | free(CONST_CAST(void *, pin->packet)); | |
1540 | free(pin); | |
1541 | } | |
1542 | ||
0aa66d6e EJ |
1543 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { |
1544 | port_run_fast(ofport); | |
1545 | } | |
1546 | ||
5fcc0d00 BP |
1547 | return 0; |
1548 | } | |
1549 | ||
1550 | static int | |
1551 | run(struct ofproto *ofproto_) | |
1552 | { | |
1553 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1554 | struct ofport_dpif *ofport; | |
1555 | struct ofbundle *bundle; | |
1556 | int error; | |
1557 | ||
1558 | if (!clogged) { | |
1559 | complete_operations(ofproto); | |
1560 | } | |
5fcc0d00 | 1561 | |
ec7ceaed EJ |
1562 | if (mbridge_need_revalidate(ofproto->mbridge)) { |
1563 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
509c0149 | 1564 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 1565 | mac_learning_flush(ofproto->ml); |
509c0149 | 1566 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
ec7ceaed EJ |
1567 | } |
1568 | ||
40358701 GS |
1569 | /* Do not perform any periodic activity below required by 'ofproto' while |
1570 | * waiting for flow restore to complete. */ | |
1571 | if (ofproto_get_flow_restore_wait()) { | |
1572 | return 0; | |
1573 | } | |
1574 | ||
5fcc0d00 BP |
1575 | error = run_fast(ofproto_); |
1576 | if (error) { | |
1577 | return error; | |
abe529af BP |
1578 | } |
1579 | ||
abe529af | 1580 | if (ofproto->netflow) { |
6fca1ffb BP |
1581 | if (netflow_run(ofproto->netflow)) { |
1582 | send_netflow_active_timeouts(ofproto); | |
1583 | } | |
abe529af BP |
1584 | } |
1585 | if (ofproto->sflow) { | |
bae473fe | 1586 | dpif_sflow_run(ofproto->sflow); |
abe529af BP |
1587 | } |
1588 | ||
1589 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
1590 | port_run(ofport); | |
1591 | } | |
1592 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1593 | bundle_run(bundle); | |
1594 | } | |
1595 | ||
21f7563c | 1596 | stp_run(ofproto); |
509c0149 | 1597 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 EJ |
1598 | if (mac_learning_run(ofproto->ml)) { |
1599 | ofproto->backer->need_revalidate = REV_MAC_LEARNING; | |
1600 | } | |
509c0149 | 1601 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 1602 | |
6814e51f | 1603 | /* Check the consistency of a random facet, to aid debugging. */ |
0b4f2078 | 1604 | ovs_rwlock_rdlock(&ofproto->facets.rwlock); |
4d2a0f39 | 1605 | if (time_msec() >= ofproto->consistency_rl |
bcd2633a | 1606 | && !classifier_is_empty(&ofproto->facets) |
2cc3c58e | 1607 | && !ofproto->backer->need_revalidate) { |
bcd2633a JP |
1608 | struct cls_table *table; |
1609 | struct cls_rule *cr; | |
6814e51f BP |
1610 | struct facet *facet; |
1611 | ||
4d2a0f39 EJ |
1612 | ofproto->consistency_rl = time_msec() + 250; |
1613 | ||
bcd2633a JP |
1614 | table = CONTAINER_OF(hmap_random_node(&ofproto->facets.tables), |
1615 | struct cls_table, hmap_node); | |
1616 | cr = CONTAINER_OF(hmap_random_node(&table->rules), struct cls_rule, | |
1617 | hmap_node); | |
1618 | facet = CONTAINER_OF(cr, struct facet, cr); | |
1619 | ||
a1616063 EJ |
1620 | if (!facet_check_consistency(facet)) { |
1621 | ofproto->backer->need_revalidate = REV_INCONSISTENCY; | |
6814e51f BP |
1622 | } |
1623 | } | |
0b4f2078 | 1624 | ovs_rwlock_unlock(&ofproto->facets.rwlock); |
6814e51f | 1625 | |
abe529af BP |
1626 | return 0; |
1627 | } | |
1628 | ||
1629 | static void | |
1630 | wait(struct ofproto *ofproto_) | |
1631 | { | |
1632 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1633 | struct ofport_dpif *ofport; | |
1634 | struct ofbundle *bundle; | |
1635 | ||
7ee20df1 BP |
1636 | if (!clogged && !list_is_empty(&ofproto->completions)) { |
1637 | poll_immediate_wake(); | |
1638 | } | |
1639 | ||
40358701 GS |
1640 | if (ofproto_get_flow_restore_wait()) { |
1641 | return; | |
1642 | } | |
1643 | ||
abe529af | 1644 | if (ofproto->sflow) { |
bae473fe | 1645 | dpif_sflow_wait(ofproto->sflow); |
abe529af | 1646 | } |
abe529af BP |
1647 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { |
1648 | port_wait(ofport); | |
1649 | } | |
1650 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1651 | bundle_wait(bundle); | |
1652 | } | |
6fca1ffb BP |
1653 | if (ofproto->netflow) { |
1654 | netflow_wait(ofproto->netflow); | |
1655 | } | |
509c0149 | 1656 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
1c313b88 | 1657 | mac_learning_wait(ofproto->ml); |
509c0149 | 1658 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
21f7563c | 1659 | stp_wait(ofproto); |
2cc3c58e | 1660 | if (ofproto->backer->need_revalidate) { |
abe529af BP |
1661 | /* Shouldn't happen, but if it does just go around again. */ |
1662 | VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()"); | |
1663 | poll_immediate_wake(); | |
abe529af BP |
1664 | } |
1665 | } | |
1666 | ||
0d085684 BP |
1667 | static void |
1668 | get_memory_usage(const struct ofproto *ofproto_, struct simap *usage) | |
1669 | { | |
1670 | const struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
bcd2633a | 1671 | struct cls_cursor cursor; |
04d08d54 EJ |
1672 | size_t n_subfacets = 0; |
1673 | struct facet *facet; | |
0d085684 | 1674 | |
0b4f2078 | 1675 | ovs_rwlock_rdlock(&ofproto->facets.rwlock); |
bcd2633a | 1676 | simap_increase(usage, "facets", classifier_count(&ofproto->facets)); |
0b4f2078 | 1677 | ovs_rwlock_unlock(&ofproto->facets.rwlock); |
bcd2633a | 1678 | |
0b4f2078 | 1679 | ovs_rwlock_rdlock(&ofproto->facets.rwlock); |
bcd2633a JP |
1680 | cls_cursor_init(&cursor, &ofproto->facets, NULL); |
1681 | CLS_CURSOR_FOR_EACH (facet, cr, &cursor) { | |
04d08d54 EJ |
1682 | n_subfacets += list_size(&facet->subfacets); |
1683 | } | |
0b4f2078 | 1684 | ovs_rwlock_unlock(&ofproto->facets.rwlock); |
04d08d54 | 1685 | simap_increase(usage, "subfacets", n_subfacets); |
0d085684 BP |
1686 | } |
1687 | ||
abe529af BP |
1688 | static void |
1689 | flush(struct ofproto *ofproto_) | |
1690 | { | |
1691 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 JP |
1692 | struct subfacet *subfacet, *next_subfacet; |
1693 | struct subfacet *batch[SUBFACET_DESTROY_MAX_BATCH]; | |
1694 | int n_batch; | |
b0f7b9b5 | 1695 | |
acf60855 JP |
1696 | n_batch = 0; |
1697 | HMAP_FOR_EACH_SAFE (subfacet, next_subfacet, hmap_node, | |
04d08d54 | 1698 | &ofproto->backer->subfacets) { |
b7e2f6b3 | 1699 | if (subfacet->facet->ofproto != ofproto) { |
04d08d54 EJ |
1700 | continue; |
1701 | } | |
1702 | ||
acf60855 JP |
1703 | if (subfacet->path != SF_NOT_INSTALLED) { |
1704 | batch[n_batch++] = subfacet; | |
1705 | if (n_batch >= SUBFACET_DESTROY_MAX_BATCH) { | |
04d08d54 | 1706 | subfacet_destroy_batch(ofproto->backer, batch, n_batch); |
acf60855 JP |
1707 | n_batch = 0; |
1708 | } | |
1709 | } else { | |
1710 | subfacet_destroy(subfacet); | |
b0f7b9b5 | 1711 | } |
abe529af | 1712 | } |
acf60855 JP |
1713 | |
1714 | if (n_batch > 0) { | |
04d08d54 | 1715 | subfacet_destroy_batch(ofproto->backer, batch, n_batch); |
acf60855 | 1716 | } |
abe529af BP |
1717 | } |
1718 | ||
6c1491fb BP |
1719 | static void |
1720 | get_features(struct ofproto *ofproto_ OVS_UNUSED, | |
9e1fd49b | 1721 | bool *arp_match_ip, enum ofputil_action_bitmap *actions) |
6c1491fb BP |
1722 | { |
1723 | *arp_match_ip = true; | |
9e1fd49b BP |
1724 | *actions = (OFPUTIL_A_OUTPUT | |
1725 | OFPUTIL_A_SET_VLAN_VID | | |
1726 | OFPUTIL_A_SET_VLAN_PCP | | |
1727 | OFPUTIL_A_STRIP_VLAN | | |
1728 | OFPUTIL_A_SET_DL_SRC | | |
1729 | OFPUTIL_A_SET_DL_DST | | |
1730 | OFPUTIL_A_SET_NW_SRC | | |
1731 | OFPUTIL_A_SET_NW_DST | | |
1732 | OFPUTIL_A_SET_NW_TOS | | |
1733 | OFPUTIL_A_SET_TP_SRC | | |
1734 | OFPUTIL_A_SET_TP_DST | | |
1735 | OFPUTIL_A_ENQUEUE); | |
6c1491fb BP |
1736 | } |
1737 | ||
1738 | static void | |
307975da | 1739 | get_tables(struct ofproto *ofproto_, struct ofp12_table_stats *ots) |
6c1491fb BP |
1740 | { |
1741 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
a8d9304d | 1742 | struct dpif_dp_stats s; |
7fd51d39 | 1743 | uint64_t n_miss, n_no_pkt_in, n_bytes, n_dropped_frags; |
7e741ffb | 1744 | uint64_t n_lookup; |
6c1491fb BP |
1745 | |
1746 | strcpy(ots->name, "classifier"); | |
1747 | ||
acf60855 | 1748 | dpif_get_dp_stats(ofproto->backer->dpif, &s); |
7e741ffb JG |
1749 | rule_get_stats(&ofproto->miss_rule->up, &n_miss, &n_bytes); |
1750 | rule_get_stats(&ofproto->no_packet_in_rule->up, &n_no_pkt_in, &n_bytes); | |
7fd51d39 | 1751 | rule_get_stats(&ofproto->drop_frags_rule->up, &n_dropped_frags, &n_bytes); |
acf60855 | 1752 | |
7fd51d39 | 1753 | n_lookup = s.n_hit + s.n_missed - n_dropped_frags; |
7e741ffb JG |
1754 | ots->lookup_count = htonll(n_lookup); |
1755 | ots->matched_count = htonll(n_lookup - n_miss - n_no_pkt_in); | |
6c1491fb BP |
1756 | } |
1757 | ||
abe529af BP |
1758 | static struct ofport * |
1759 | port_alloc(void) | |
1760 | { | |
1761 | struct ofport_dpif *port = xmalloc(sizeof *port); | |
1762 | return &port->up; | |
1763 | } | |
1764 | ||
1765 | static void | |
1766 | port_dealloc(struct ofport *port_) | |
1767 | { | |
1768 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1769 | free(port); | |
1770 | } | |
1771 | ||
1772 | static int | |
1773 | port_construct(struct ofport *port_) | |
1774 | { | |
1775 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1776 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
b9ad7294 | 1777 | const struct netdev *netdev = port->up.netdev; |
3aa30359 | 1778 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
e1b1d06a JP |
1779 | struct dpif_port dpif_port; |
1780 | int error; | |
abe529af | 1781 | |
2cc3c58e | 1782 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
1783 | port->bundle = NULL; |
1784 | port->cfm = NULL; | |
ccc09689 | 1785 | port->bfd = NULL; |
d5ffa7f2 | 1786 | port->may_enable = true; |
21f7563c JP |
1787 | port->stp_port = NULL; |
1788 | port->stp_state = STP_DISABLED; | |
42943cde | 1789 | port->is_tunnel = false; |
6cbbf4fa | 1790 | port->peer = NULL; |
55954f6e EJ |
1791 | port->qdscp = NULL; |
1792 | port->n_qdscp = 0; | |
52a90c29 BP |
1793 | port->realdev_ofp_port = 0; |
1794 | port->vlandev_vid = 0; | |
b9ad7294 | 1795 | port->carrier_seq = netdev_get_carrier_resets(netdev); |
abe529af | 1796 | |
b9ad7294 | 1797 | if (netdev_vport_is_patch(netdev)) { |
743cea45 NM |
1798 | /* By bailing out here, we don't submit the port to the sFlow module |
1799 | * to be considered for counter polling export. This is correct | |
1800 | * because the patch port represents an interface that sFlow considers | |
1801 | * to be "internal" to the switch as a whole, and therefore not an | |
1802 | * candidate for counter polling. */ | |
4e022ec0 | 1803 | port->odp_port = ODPP_NONE; |
6cbbf4fa | 1804 | ofport_update_peer(port); |
0a740f48 EJ |
1805 | return 0; |
1806 | } | |
1807 | ||
acf60855 | 1808 | error = dpif_port_query_by_name(ofproto->backer->dpif, |
3aa30359 BP |
1809 | netdev_vport_get_dpif_port(netdev, namebuf, |
1810 | sizeof namebuf), | |
e1b1d06a JP |
1811 | &dpif_port); |
1812 | if (error) { | |
1813 | return error; | |
1814 | } | |
1815 | ||
1816 | port->odp_port = dpif_port.port_no; | |
1817 | ||
b9ad7294 | 1818 | if (netdev_get_tunnel_config(netdev)) { |
42943cde EJ |
1819 | tnl_port_add(port, port->up.netdev, port->odp_port); |
1820 | port->is_tunnel = true; | |
b9ad7294 EJ |
1821 | } else { |
1822 | /* Sanity-check that a mapping doesn't already exist. This | |
1823 | * shouldn't happen for non-tunnel ports. */ | |
1824 | if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) { | |
1825 | VLOG_ERR("port %s already has an OpenFlow port number", | |
1826 | dpif_port.name); | |
da78d43d | 1827 | dpif_port_destroy(&dpif_port); |
b9ad7294 EJ |
1828 | return EBUSY; |
1829 | } | |
e1b1d06a | 1830 | |
8449c4d6 | 1831 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1832 | hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node, |
f9c0c3ec | 1833 | hash_odp_port(port->odp_port)); |
8449c4d6 | 1834 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1835 | } |
da78d43d | 1836 | dpif_port_destroy(&dpif_port); |
e1b1d06a | 1837 | |
abe529af | 1838 | if (ofproto->sflow) { |
e1b1d06a | 1839 | dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port); |
abe529af BP |
1840 | } |
1841 | ||
1842 | return 0; | |
1843 | } | |
1844 | ||
1845 | static void | |
1846 | port_destruct(struct ofport *port_) | |
1847 | { | |
1848 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1849 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
02f8d646 | 1850 | const char *devname = netdev_get_name(port->up.netdev); |
3aa30359 BP |
1851 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
1852 | const char *dp_port_name; | |
abe529af | 1853 | |
7894e7da | 1854 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
dc24a00f | 1855 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 1856 | xlate_ofport_remove(port); |
dc24a00f | 1857 | ovs_rwlock_unlock(&xlate_rwlock); |
7894e7da | 1858 | |
3aa30359 BP |
1859 | dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf, |
1860 | sizeof namebuf); | |
a614d823 | 1861 | if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
acf60855 JP |
1862 | /* The underlying device is still there, so delete it. This |
1863 | * happens when the ofproto is being destroyed, since the caller | |
1864 | * assumes that removal of attached ports will happen as part of | |
1865 | * destruction. */ | |
42943cde | 1866 | if (!port->is_tunnel) { |
a614d823 KM |
1867 | dpif_port_del(ofproto->backer->dpif, port->odp_port); |
1868 | } | |
acf60855 JP |
1869 | } |
1870 | ||
6cbbf4fa EJ |
1871 | if (port->peer) { |
1872 | port->peer->peer = NULL; | |
1873 | port->peer = NULL; | |
1874 | } | |
1875 | ||
42943cde | 1876 | if (port->odp_port != ODPP_NONE && !port->is_tunnel) { |
8449c4d6 | 1877 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 | 1878 | hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node); |
8449c4d6 | 1879 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 EJ |
1880 | } |
1881 | ||
42943cde | 1882 | tnl_port_del(port); |
02f8d646 | 1883 | sset_find_and_delete(&ofproto->ports, devname); |
0a740f48 | 1884 | sset_find_and_delete(&ofproto->ghost_ports, devname); |
abe529af | 1885 | bundle_remove(port_); |
a5610457 | 1886 | set_cfm(port_, NULL); |
8aee94b6 | 1887 | set_bfd(port_, NULL); |
abe529af | 1888 | if (ofproto->sflow) { |
bae473fe | 1889 | dpif_sflow_del_port(ofproto->sflow, port->odp_port); |
abe529af | 1890 | } |
8b36f51e | 1891 | |
55954f6e | 1892 | free(port->qdscp); |
abe529af BP |
1893 | } |
1894 | ||
1895 | static void | |
1896 | port_modified(struct ofport *port_) | |
1897 | { | |
1898 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1899 | ||
1900 | if (port->bundle && port->bundle->bond) { | |
1901 | bond_slave_set_netdev(port->bundle->bond, port, port->up.netdev); | |
1902 | } | |
9d46b444 EJ |
1903 | |
1904 | if (port->cfm) { | |
1905 | cfm_set_netdev(port->cfm, port->up.netdev); | |
1906 | } | |
f1e78bbd | 1907 | |
c1c4e8c7 AW |
1908 | if (port->bfd) { |
1909 | bfd_set_netdev(port->bfd, port->up.netdev); | |
1910 | } | |
1911 | ||
42943cde EJ |
1912 | if (port->is_tunnel && tnl_port_reconfigure(port, port->up.netdev, |
1913 | port->odp_port)) { | |
7894e7da EJ |
1914 | ofproto_dpif_cast(port->up.ofproto)->backer->need_revalidate = |
1915 | REV_RECONFIGURE; | |
f1e78bbd | 1916 | } |
6cbbf4fa EJ |
1917 | |
1918 | ofport_update_peer(port); | |
abe529af BP |
1919 | } |
1920 | ||
1921 | static void | |
9e1fd49b | 1922 | port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config) |
abe529af BP |
1923 | { |
1924 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1925 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
9e1fd49b | 1926 | enum ofputil_port_config changed = old_config ^ port->up.pp.config; |
abe529af | 1927 | |
9e1fd49b | 1928 | if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP | |
c57b2226 BP |
1929 | OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD | |
1930 | OFPUTIL_PC_NO_PACKET_IN)) { | |
2cc3c58e | 1931 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7bde8dd8 | 1932 | |
9e1fd49b | 1933 | if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) { |
7bde8dd8 JP |
1934 | bundle_update(port->bundle); |
1935 | } | |
abe529af BP |
1936 | } |
1937 | } | |
1938 | ||
1939 | static int | |
1940 | set_sflow(struct ofproto *ofproto_, | |
1941 | const struct ofproto_sflow_options *sflow_options) | |
1942 | { | |
1943 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
bae473fe | 1944 | struct dpif_sflow *ds = ofproto->sflow; |
6ff686f2 | 1945 | |
abe529af | 1946 | if (sflow_options) { |
bae473fe | 1947 | if (!ds) { |
abe529af BP |
1948 | struct ofport_dpif *ofport; |
1949 | ||
4213f19d | 1950 | ds = ofproto->sflow = dpif_sflow_create(); |
abe529af | 1951 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { |
e1b1d06a | 1952 | dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port); |
abe529af | 1953 | } |
2cc3c58e | 1954 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 1955 | } |
bae473fe | 1956 | dpif_sflow_set_options(ds, sflow_options); |
abe529af | 1957 | } else { |
6ff686f2 | 1958 | if (ds) { |
9723bcce | 1959 | dpif_sflow_unref(ds); |
2cc3c58e | 1960 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6ff686f2 PS |
1961 | ofproto->sflow = NULL; |
1962 | } | |
abe529af BP |
1963 | } |
1964 | return 0; | |
1965 | } | |
1966 | ||
29089a54 RL |
1967 | static int |
1968 | set_ipfix( | |
1969 | struct ofproto *ofproto_, | |
1970 | const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options, | |
1971 | const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options, | |
1972 | size_t n_flow_exporters_options) | |
1973 | { | |
1974 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1975 | struct dpif_ipfix *di = ofproto->ipfix; | |
1976 | ||
1977 | if (bridge_exporter_options || flow_exporters_options) { | |
1978 | if (!di) { | |
1979 | di = ofproto->ipfix = dpif_ipfix_create(); | |
1980 | } | |
1981 | dpif_ipfix_set_options( | |
1982 | di, bridge_exporter_options, flow_exporters_options, | |
1983 | n_flow_exporters_options); | |
1984 | } else { | |
1985 | if (di) { | |
d857c8aa | 1986 | dpif_ipfix_unref(di); |
29089a54 RL |
1987 | ofproto->ipfix = NULL; |
1988 | } | |
1989 | } | |
1990 | return 0; | |
1991 | } | |
1992 | ||
abe529af | 1993 | static int |
a5610457 | 1994 | set_cfm(struct ofport *ofport_, const struct cfm_settings *s) |
abe529af BP |
1995 | { |
1996 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1997 | int error; | |
1998 | ||
a5610457 | 1999 | if (!s) { |
abe529af BP |
2000 | error = 0; |
2001 | } else { | |
2002 | if (!ofport->cfm) { | |
8c977421 EJ |
2003 | struct ofproto_dpif *ofproto; |
2004 | ||
2005 | ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2cc3c58e | 2006 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
90967e95 | 2007 | ofport->cfm = cfm_create(ofport->up.netdev); |
abe529af BP |
2008 | } |
2009 | ||
a5610457 | 2010 | if (cfm_configure(ofport->cfm, s)) { |
abe529af BP |
2011 | return 0; |
2012 | } | |
2013 | ||
2014 | error = EINVAL; | |
2015 | } | |
8e9a73fa | 2016 | cfm_unref(ofport->cfm); |
abe529af BP |
2017 | ofport->cfm = NULL; |
2018 | return error; | |
2019 | } | |
2020 | ||
9a9e3786 BP |
2021 | static bool |
2022 | get_cfm_status(const struct ofport *ofport_, | |
2023 | struct ofproto_cfm_status *status) | |
1de11730 EJ |
2024 | { |
2025 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2026 | ||
2027 | if (ofport->cfm) { | |
9a9e3786 BP |
2028 | status->faults = cfm_get_fault(ofport->cfm); |
2029 | status->remote_opstate = cfm_get_opup(ofport->cfm); | |
2030 | status->health = cfm_get_health(ofport->cfm); | |
2031 | cfm_get_remote_mpids(ofport->cfm, &status->rmps, &status->n_rmps); | |
2032 | return true; | |
1de11730 | 2033 | } else { |
9a9e3786 | 2034 | return false; |
1de11730 EJ |
2035 | } |
2036 | } | |
ccc09689 EJ |
2037 | |
2038 | static int | |
2039 | set_bfd(struct ofport *ofport_, const struct smap *cfg) | |
2040 | { | |
2041 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
2042 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2043 | struct bfd *old; | |
2044 | ||
2045 | old = ofport->bfd; | |
c1c4e8c7 AW |
2046 | ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev), |
2047 | cfg, ofport->up.netdev); | |
ccc09689 EJ |
2048 | if (ofport->bfd != old) { |
2049 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
2050 | } | |
2051 | ||
2052 | return 0; | |
2053 | } | |
2054 | ||
2055 | static int | |
2056 | get_bfd_status(struct ofport *ofport_, struct smap *smap) | |
2057 | { | |
2058 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2059 | ||
2060 | if (ofport->bfd) { | |
2061 | bfd_get_status(ofport->bfd, smap); | |
2062 | return 0; | |
2063 | } else { | |
2064 | return ENOENT; | |
2065 | } | |
2066 | } | |
abe529af | 2067 | \f |
21f7563c JP |
2068 | /* Spanning Tree. */ |
2069 | ||
2070 | static void | |
2071 | send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_) | |
2072 | { | |
2073 | struct ofproto_dpif *ofproto = ofproto_; | |
2074 | struct stp_port *sp = stp_get_port(ofproto->stp, port_num); | |
2075 | struct ofport_dpif *ofport; | |
2076 | ||
2077 | ofport = stp_port_get_aux(sp); | |
2078 | if (!ofport) { | |
2079 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d", | |
2080 | ofproto->up.name, port_num); | |
2081 | } else { | |
2082 | struct eth_header *eth = pkt->l2; | |
2083 | ||
2084 | netdev_get_etheraddr(ofport->up.netdev, eth->eth_src); | |
2085 | if (eth_addr_is_zero(eth->eth_src)) { | |
2086 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d " | |
2087 | "with unknown MAC", ofproto->up.name, port_num); | |
2088 | } else { | |
97d6520b | 2089 | send_packet(ofport, pkt); |
21f7563c JP |
2090 | } |
2091 | } | |
2092 | ofpbuf_delete(pkt); | |
2093 | } | |
2094 | ||
2095 | /* Configures STP on 'ofproto_' using the settings defined in 's'. */ | |
2096 | static int | |
2097 | set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s) | |
2098 | { | |
2099 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2100 | ||
2101 | /* Only revalidate flows if the configuration changed. */ | |
2102 | if (!s != !ofproto->stp) { | |
2cc3c58e | 2103 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
21f7563c JP |
2104 | } |
2105 | ||
2106 | if (s) { | |
2107 | if (!ofproto->stp) { | |
2108 | ofproto->stp = stp_create(ofproto_->name, s->system_id, | |
2109 | send_bpdu_cb, ofproto); | |
2110 | ofproto->stp_last_tick = time_msec(); | |
2111 | } | |
2112 | ||
2113 | stp_set_bridge_id(ofproto->stp, s->system_id); | |
2114 | stp_set_bridge_priority(ofproto->stp, s->priority); | |
2115 | stp_set_hello_time(ofproto->stp, s->hello_time); | |
2116 | stp_set_max_age(ofproto->stp, s->max_age); | |
2117 | stp_set_forward_delay(ofproto->stp, s->fwd_delay); | |
2118 | } else { | |
851bf71d EJ |
2119 | struct ofport *ofport; |
2120 | ||
2121 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
2122 | set_stp_port(ofport, NULL); | |
2123 | } | |
2124 | ||
bd54dbcd | 2125 | stp_unref(ofproto->stp); |
21f7563c JP |
2126 | ofproto->stp = NULL; |
2127 | } | |
2128 | ||
2129 | return 0; | |
2130 | } | |
2131 | ||
2132 | static int | |
2133 | get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s) | |
2134 | { | |
2135 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2136 | ||
2137 | if (ofproto->stp) { | |
2138 | s->enabled = true; | |
2139 | s->bridge_id = stp_get_bridge_id(ofproto->stp); | |
2140 | s->designated_root = stp_get_designated_root(ofproto->stp); | |
2141 | s->root_path_cost = stp_get_root_path_cost(ofproto->stp); | |
2142 | } else { | |
2143 | s->enabled = false; | |
2144 | } | |
2145 | ||
2146 | return 0; | |
2147 | } | |
2148 | ||
2149 | static void | |
2150 | update_stp_port_state(struct ofport_dpif *ofport) | |
2151 | { | |
2152 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2153 | enum stp_state state; | |
2154 | ||
2155 | /* Figure out new state. */ | |
2156 | state = ofport->stp_port ? stp_port_get_state(ofport->stp_port) | |
2157 | : STP_DISABLED; | |
2158 | ||
2159 | /* Update state. */ | |
2160 | if (ofport->stp_state != state) { | |
9e1fd49b | 2161 | enum ofputil_port_state of_state; |
21f7563c JP |
2162 | bool fwd_change; |
2163 | ||
2164 | VLOG_DBG_RL(&rl, "port %s: STP state changed from %s to %s", | |
2165 | netdev_get_name(ofport->up.netdev), | |
2166 | stp_state_name(ofport->stp_state), | |
2167 | stp_state_name(state)); | |
2168 | if (stp_learn_in_state(ofport->stp_state) | |
2169 | != stp_learn_in_state(state)) { | |
2170 | /* xxx Learning action flows should also be flushed. */ | |
509c0149 | 2171 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 2172 | mac_learning_flush(ofproto->ml); |
509c0149 | 2173 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
21f7563c JP |
2174 | } |
2175 | fwd_change = stp_forward_in_state(ofport->stp_state) | |
2176 | != stp_forward_in_state(state); | |
2177 | ||
2cc3c58e | 2178 | ofproto->backer->need_revalidate = REV_STP; |
21f7563c JP |
2179 | ofport->stp_state = state; |
2180 | ofport->stp_state_entered = time_msec(); | |
2181 | ||
b308140a | 2182 | if (fwd_change && ofport->bundle) { |
21f7563c JP |
2183 | bundle_update(ofport->bundle); |
2184 | } | |
2185 | ||
2186 | /* Update the STP state bits in the OpenFlow port description. */ | |
9e1fd49b BP |
2187 | of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK; |
2188 | of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN | |
2189 | : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN | |
2190 | : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD | |
2191 | : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK | |
2192 | : 0); | |
21f7563c JP |
2193 | ofproto_port_set_state(&ofport->up, of_state); |
2194 | } | |
2195 | } | |
2196 | ||
2197 | /* Configures STP on 'ofport_' using the settings defined in 's'. The | |
2198 | * caller is responsible for assigning STP port numbers and ensuring | |
2199 | * there are no duplicates. */ | |
2200 | static int | |
2201 | set_stp_port(struct ofport *ofport_, | |
2202 | const struct ofproto_port_stp_settings *s) | |
2203 | { | |
2204 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2205 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2206 | struct stp_port *sp = ofport->stp_port; | |
2207 | ||
2208 | if (!s || !s->enable) { | |
2209 | if (sp) { | |
2210 | ofport->stp_port = NULL; | |
2211 | stp_port_disable(sp); | |
ecd12731 | 2212 | update_stp_port_state(ofport); |
21f7563c JP |
2213 | } |
2214 | return 0; | |
2215 | } else if (sp && stp_port_no(sp) != s->port_num | |
2216 | && ofport == stp_port_get_aux(sp)) { | |
2217 | /* The port-id changed, so disable the old one if it's not | |
2218 | * already in use by another port. */ | |
2219 | stp_port_disable(sp); | |
2220 | } | |
2221 | ||
2222 | sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num); | |
2223 | stp_port_enable(sp); | |
2224 | ||
2225 | stp_port_set_aux(sp, ofport); | |
2226 | stp_port_set_priority(sp, s->priority); | |
2227 | stp_port_set_path_cost(sp, s->path_cost); | |
2228 | ||
2229 | update_stp_port_state(ofport); | |
2230 | ||
2231 | return 0; | |
2232 | } | |
2233 | ||
2234 | static int | |
2235 | get_stp_port_status(struct ofport *ofport_, | |
2236 | struct ofproto_port_stp_status *s) | |
2237 | { | |
2238 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2239 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2240 | struct stp_port *sp = ofport->stp_port; | |
2241 | ||
2242 | if (!ofproto->stp || !sp) { | |
2243 | s->enabled = false; | |
2244 | return 0; | |
2245 | } | |
2246 | ||
2247 | s->enabled = true; | |
2248 | s->port_id = stp_port_get_id(sp); | |
2249 | s->state = stp_port_get_state(sp); | |
2250 | s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000; | |
2251 | s->role = stp_port_get_role(sp); | |
80740385 | 2252 | stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count); |
21f7563c JP |
2253 | |
2254 | return 0; | |
2255 | } | |
2256 | ||
2257 | static void | |
2258 | stp_run(struct ofproto_dpif *ofproto) | |
2259 | { | |
2260 | if (ofproto->stp) { | |
2261 | long long int now = time_msec(); | |
2262 | long long int elapsed = now - ofproto->stp_last_tick; | |
2263 | struct stp_port *sp; | |
2264 | ||
2265 | if (elapsed > 0) { | |
2266 | stp_tick(ofproto->stp, MIN(INT_MAX, elapsed)); | |
2267 | ofproto->stp_last_tick = now; | |
2268 | } | |
2269 | while (stp_get_changed_port(ofproto->stp, &sp)) { | |
2270 | struct ofport_dpif *ofport = stp_port_get_aux(sp); | |
2271 | ||
2272 | if (ofport) { | |
2273 | update_stp_port_state(ofport); | |
2274 | } | |
2275 | } | |
6ae50723 EJ |
2276 | |
2277 | if (stp_check_and_reset_fdb_flush(ofproto->stp)) { | |
509c0149 | 2278 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 2279 | mac_learning_flush(ofproto->ml); |
509c0149 | 2280 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6ae50723 | 2281 | } |
21f7563c JP |
2282 | } |
2283 | } | |
2284 | ||
2285 | static void | |
2286 | stp_wait(struct ofproto_dpif *ofproto) | |
2287 | { | |
2288 | if (ofproto->stp) { | |
2289 | poll_timer_wait(1000); | |
2290 | } | |
2291 | } | |
21f7563c | 2292 | \f |
8b36f51e | 2293 | static int |
55954f6e | 2294 | set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp, |
8b36f51e EJ |
2295 | size_t n_qdscp) |
2296 | { | |
2297 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2298 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
8b36f51e | 2299 | |
55954f6e EJ |
2300 | if (ofport->n_qdscp != n_qdscp |
2301 | || (n_qdscp && memcmp(ofport->qdscp, qdscp, | |
2302 | n_qdscp * sizeof *qdscp))) { | |
2cc3c58e | 2303 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
55954f6e EJ |
2304 | free(ofport->qdscp); |
2305 | ofport->qdscp = n_qdscp | |
2306 | ? xmemdup(qdscp, n_qdscp * sizeof *qdscp) | |
2307 | : NULL; | |
2308 | ofport->n_qdscp = n_qdscp; | |
8b36f51e EJ |
2309 | } |
2310 | ||
8b36f51e EJ |
2311 | return 0; |
2312 | } | |
2313 | \f | |
abe529af BP |
2314 | /* Bundles. */ |
2315 | ||
b44a10b7 BP |
2316 | /* Expires all MAC learning entries associated with 'bundle' and forces its |
2317 | * ofproto to revalidate every flow. | |
2318 | * | |
2319 | * Normally MAC learning entries are removed only from the ofproto associated | |
2320 | * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries | |
2321 | * are removed from every ofproto. When patch ports and SLB bonds are in use | |
2322 | * and a VM migration happens and the gratuitous ARPs are somehow lost, this | |
2323 | * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate | |
2324 | * with the host from which it migrated. */ | |
abe529af | 2325 | static void |
b44a10b7 | 2326 | bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos) |
abe529af BP |
2327 | { |
2328 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
2329 | struct mac_learning *ml = ofproto->ml; | |
2330 | struct mac_entry *mac, *next_mac; | |
2331 | ||
2cc3c58e | 2332 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
509c0149 | 2333 | ovs_rwlock_wrlock(&ml->rwlock); |
abe529af BP |
2334 | LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) { |
2335 | if (mac->port.p == bundle) { | |
b44a10b7 BP |
2336 | if (all_ofprotos) { |
2337 | struct ofproto_dpif *o; | |
2338 | ||
2339 | HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
2340 | if (o != ofproto) { | |
2341 | struct mac_entry *e; | |
2342 | ||
509c0149 | 2343 | ovs_rwlock_wrlock(&o->ml->rwlock); |
30618594 | 2344 | e = mac_learning_lookup(o->ml, mac->mac, mac->vlan); |
b44a10b7 | 2345 | if (e) { |
b44a10b7 BP |
2346 | mac_learning_expire(o->ml, e); |
2347 | } | |
509c0149 | 2348 | ovs_rwlock_unlock(&o->ml->rwlock); |
b44a10b7 BP |
2349 | } |
2350 | } | |
2351 | } | |
2352 | ||
abe529af BP |
2353 | mac_learning_expire(ml, mac); |
2354 | } | |
2355 | } | |
509c0149 | 2356 | ovs_rwlock_unlock(&ml->rwlock); |
abe529af BP |
2357 | } |
2358 | ||
2359 | static struct ofbundle * | |
2360 | bundle_lookup(const struct ofproto_dpif *ofproto, void *aux) | |
2361 | { | |
2362 | struct ofbundle *bundle; | |
2363 | ||
2364 | HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0), | |
2365 | &ofproto->bundles) { | |
2366 | if (bundle->aux == aux) { | |
2367 | return bundle; | |
2368 | } | |
2369 | } | |
2370 | return NULL; | |
2371 | } | |
2372 | ||
7bde8dd8 JP |
2373 | static void |
2374 | bundle_update(struct ofbundle *bundle) | |
2375 | { | |
2376 | struct ofport_dpif *port; | |
2377 | ||
2378 | bundle->floodable = true; | |
2379 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
9e1fd49b BP |
2380 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
2381 | || !stp_forward_in_state(port->stp_state)) { | |
7bde8dd8 JP |
2382 | bundle->floodable = false; |
2383 | break; | |
2384 | } | |
2385 | } | |
2386 | } | |
2387 | ||
abe529af BP |
2388 | static void |
2389 | bundle_del_port(struct ofport_dpif *port) | |
2390 | { | |
2391 | struct ofbundle *bundle = port->bundle; | |
2392 | ||
2cc3c58e | 2393 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6f77f4ae | 2394 | |
abe529af BP |
2395 | list_remove(&port->bundle_node); |
2396 | port->bundle = NULL; | |
2397 | ||
2398 | if (bundle->lacp) { | |
2399 | lacp_slave_unregister(bundle->lacp, port); | |
2400 | } | |
2401 | if (bundle->bond) { | |
2402 | bond_slave_unregister(bundle->bond, port); | |
2403 | } | |
2404 | ||
7bde8dd8 | 2405 | bundle_update(bundle); |
abe529af BP |
2406 | } |
2407 | ||
2408 | static bool | |
4e022ec0 | 2409 | bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port, |
df53d41c | 2410 | struct lacp_slave_settings *lacp) |
abe529af BP |
2411 | { |
2412 | struct ofport_dpif *port; | |
2413 | ||
2414 | port = get_ofp_port(bundle->ofproto, ofp_port); | |
2415 | if (!port) { | |
2416 | return false; | |
2417 | } | |
2418 | ||
2419 | if (port->bundle != bundle) { | |
2cc3c58e | 2420 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 2421 | if (port->bundle) { |
e019a574 | 2422 | bundle_remove(&port->up); |
abe529af BP |
2423 | } |
2424 | ||
2425 | port->bundle = bundle; | |
2426 | list_push_back(&bundle->ports, &port->bundle_node); | |
9e1fd49b BP |
2427 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
2428 | || !stp_forward_in_state(port->stp_state)) { | |
abe529af BP |
2429 | bundle->floodable = false; |
2430 | } | |
2431 | } | |
2432 | if (lacp) { | |
2cc3c58e | 2433 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2434 | lacp_slave_register(bundle->lacp, port, lacp); |
2435 | } | |
2436 | ||
2437 | return true; | |
2438 | } | |
2439 | ||
2440 | static void | |
2441 | bundle_destroy(struct ofbundle *bundle) | |
2442 | { | |
2443 | struct ofproto_dpif *ofproto; | |
2444 | struct ofport_dpif *port, *next_port; | |
abe529af BP |
2445 | |
2446 | if (!bundle) { | |
2447 | return; | |
2448 | } | |
2449 | ||
2450 | ofproto = bundle->ofproto; | |
ec7ceaed | 2451 | mbridge_unregister_bundle(ofproto->mbridge, bundle->aux); |
abe529af | 2452 | |
dc24a00f | 2453 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 2454 | xlate_bundle_remove(bundle); |
dc24a00f | 2455 | ovs_rwlock_unlock(&xlate_rwlock); |
46c88433 | 2456 | |
abe529af BP |
2457 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { |
2458 | bundle_del_port(port); | |
2459 | } | |
2460 | ||
b44a10b7 | 2461 | bundle_flush_macs(bundle, true); |
abe529af BP |
2462 | hmap_remove(&ofproto->bundles, &bundle->hmap_node); |
2463 | free(bundle->name); | |
2464 | free(bundle->trunks); | |
91779071 | 2465 | lacp_unref(bundle->lacp); |
03366a2d | 2466 | bond_unref(bundle->bond); |
abe529af BP |
2467 | free(bundle); |
2468 | } | |
2469 | ||
2470 | static int | |
2471 | bundle_set(struct ofproto *ofproto_, void *aux, | |
2472 | const struct ofproto_bundle_settings *s) | |
2473 | { | |
2474 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2475 | bool need_flush = false; | |
abe529af BP |
2476 | struct ofport_dpif *port; |
2477 | struct ofbundle *bundle; | |
ecac4ebf BP |
2478 | unsigned long *trunks; |
2479 | int vlan; | |
abe529af BP |
2480 | size_t i; |
2481 | bool ok; | |
2482 | ||
2483 | if (!s) { | |
2484 | bundle_destroy(bundle_lookup(ofproto, aux)); | |
2485 | return 0; | |
2486 | } | |
2487 | ||
cb22974d BP |
2488 | ovs_assert(s->n_slaves == 1 || s->bond != NULL); |
2489 | ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL)); | |
abe529af BP |
2490 | |
2491 | bundle = bundle_lookup(ofproto, aux); | |
2492 | if (!bundle) { | |
2493 | bundle = xmalloc(sizeof *bundle); | |
2494 | ||
2495 | bundle->ofproto = ofproto; | |
2496 | hmap_insert(&ofproto->bundles, &bundle->hmap_node, | |
2497 | hash_pointer(aux, 0)); | |
2498 | bundle->aux = aux; | |
2499 | bundle->name = NULL; | |
2500 | ||
2501 | list_init(&bundle->ports); | |
ecac4ebf | 2502 | bundle->vlan_mode = PORT_VLAN_TRUNK; |
abe529af BP |
2503 | bundle->vlan = -1; |
2504 | bundle->trunks = NULL; | |
5e9ceccd | 2505 | bundle->use_priority_tags = s->use_priority_tags; |
abe529af BP |
2506 | bundle->lacp = NULL; |
2507 | bundle->bond = NULL; | |
2508 | ||
2509 | bundle->floodable = true; | |
ec7ceaed | 2510 | mbridge_register_bundle(ofproto->mbridge, bundle); |
abe529af BP |
2511 | } |
2512 | ||
2513 | if (!bundle->name || strcmp(s->name, bundle->name)) { | |
2514 | free(bundle->name); | |
2515 | bundle->name = xstrdup(s->name); | |
2516 | } | |
2517 | ||
2518 | /* LACP. */ | |
2519 | if (s->lacp) { | |
2520 | if (!bundle->lacp) { | |
2cc3c58e | 2521 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2522 | bundle->lacp = lacp_create(); |
2523 | } | |
2524 | lacp_configure(bundle->lacp, s->lacp); | |
2525 | } else { | |
91779071 | 2526 | lacp_unref(bundle->lacp); |
abe529af BP |
2527 | bundle->lacp = NULL; |
2528 | } | |
2529 | ||
2530 | /* Update set of ports. */ | |
2531 | ok = true; | |
2532 | for (i = 0; i < s->n_slaves; i++) { | |
2533 | if (!bundle_add_port(bundle, s->slaves[i], | |
df53d41c | 2534 | s->lacp ? &s->lacp_slaves[i] : NULL)) { |
abe529af BP |
2535 | ok = false; |
2536 | } | |
2537 | } | |
2538 | if (!ok || list_size(&bundle->ports) != s->n_slaves) { | |
2539 | struct ofport_dpif *next_port; | |
2540 | ||
2541 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { | |
2542 | for (i = 0; i < s->n_slaves; i++) { | |
56c769ab | 2543 | if (s->slaves[i] == port->up.ofp_port) { |
abe529af BP |
2544 | goto found; |
2545 | } | |
2546 | } | |
2547 | ||
2548 | bundle_del_port(port); | |
2549 | found: ; | |
2550 | } | |
2551 | } | |
cb22974d | 2552 | ovs_assert(list_size(&bundle->ports) <= s->n_slaves); |
abe529af BP |
2553 | |
2554 | if (list_is_empty(&bundle->ports)) { | |
2555 | bundle_destroy(bundle); | |
2556 | return EINVAL; | |
2557 | } | |
2558 | ||
ecac4ebf | 2559 | /* Set VLAN tagging mode */ |
5e9ceccd BP |
2560 | if (s->vlan_mode != bundle->vlan_mode |
2561 | || s->use_priority_tags != bundle->use_priority_tags) { | |
ecac4ebf | 2562 | bundle->vlan_mode = s->vlan_mode; |
5e9ceccd | 2563 | bundle->use_priority_tags = s->use_priority_tags; |
ecac4ebf BP |
2564 | need_flush = true; |
2565 | } | |
2566 | ||
abe529af | 2567 | /* Set VLAN tag. */ |
ecac4ebf BP |
2568 | vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1 |
2569 | : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan | |
2570 | : 0); | |
2571 | if (vlan != bundle->vlan) { | |
2572 | bundle->vlan = vlan; | |
abe529af BP |
2573 | need_flush = true; |
2574 | } | |
2575 | ||
2576 | /* Get trunked VLANs. */ | |
ecac4ebf BP |
2577 | switch (s->vlan_mode) { |
2578 | case PORT_VLAN_ACCESS: | |
2579 | trunks = NULL; | |
2580 | break; | |
2581 | ||
2582 | case PORT_VLAN_TRUNK: | |
ebc56baa | 2583 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2584 | break; |
2585 | ||
2586 | case PORT_VLAN_NATIVE_UNTAGGED: | |
2587 | case PORT_VLAN_NATIVE_TAGGED: | |
2588 | if (vlan != 0 && (!s->trunks | |
2589 | || !bitmap_is_set(s->trunks, vlan) | |
2590 | || bitmap_is_set(s->trunks, 0))) { | |
2591 | /* Force trunking the native VLAN and prohibit trunking VLAN 0. */ | |
2592 | if (s->trunks) { | |
2593 | trunks = bitmap_clone(s->trunks, 4096); | |
2594 | } else { | |
2595 | trunks = bitmap_allocate1(4096); | |
2596 | } | |
2597 | bitmap_set1(trunks, vlan); | |
2598 | bitmap_set0(trunks, 0); | |
2599 | } else { | |
ebc56baa | 2600 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2601 | } |
2602 | break; | |
2603 | ||
2604 | default: | |
2605 | NOT_REACHED(); | |
2606 | } | |
abe529af BP |
2607 | if (!vlan_bitmap_equal(trunks, bundle->trunks)) { |
2608 | free(bundle->trunks); | |
ecac4ebf BP |
2609 | if (trunks == s->trunks) { |
2610 | bundle->trunks = vlan_bitmap_clone(trunks); | |
2611 | } else { | |
2612 | bundle->trunks = trunks; | |
2613 | trunks = NULL; | |
2614 | } | |
abe529af BP |
2615 | need_flush = true; |
2616 | } | |
ecac4ebf BP |
2617 | if (trunks != s->trunks) { |
2618 | free(trunks); | |
2619 | } | |
abe529af BP |
2620 | |
2621 | /* Bonding. */ | |
2622 | if (!list_is_short(&bundle->ports)) { | |
2623 | bundle->ofproto->has_bonded_bundles = true; | |
2624 | if (bundle->bond) { | |
2625 | if (bond_reconfigure(bundle->bond, s->bond)) { | |
2cc3c58e | 2626 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2627 | } |
2628 | } else { | |
2629 | bundle->bond = bond_create(s->bond); | |
2cc3c58e | 2630 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2631 | } |
2632 | ||
2633 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
df53d41c | 2634 | bond_slave_register(bundle->bond, port, port->up.netdev); |
abe529af BP |
2635 | } |
2636 | } else { | |
03366a2d | 2637 | bond_unref(bundle->bond); |
abe529af BP |
2638 | bundle->bond = NULL; |
2639 | } | |
2640 | ||
2641 | /* If we changed something that would affect MAC learning, un-learn | |
2642 | * everything on this port and force flow revalidation. */ | |
2643 | if (need_flush) { | |
b44a10b7 | 2644 | bundle_flush_macs(bundle, false); |
abe529af BP |
2645 | } |
2646 | ||
2647 | return 0; | |
2648 | } | |
2649 | ||
2650 | static void | |
2651 | bundle_remove(struct ofport *port_) | |
2652 | { | |
2653 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
2654 | struct ofbundle *bundle = port->bundle; | |
2655 | ||
2656 | if (bundle) { | |
2657 | bundle_del_port(port); | |
2658 | if (list_is_empty(&bundle->ports)) { | |
2659 | bundle_destroy(bundle); | |
2660 | } else if (list_is_short(&bundle->ports)) { | |
03366a2d | 2661 | bond_unref(bundle->bond); |
abe529af BP |
2662 | bundle->bond = NULL; |
2663 | } | |
2664 | } | |
2665 | } | |
2666 | ||
2667 | static void | |
5f877369 | 2668 | send_pdu_cb(void *port_, const void *pdu, size_t pdu_size) |
abe529af BP |
2669 | { |
2670 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10); | |
2671 | struct ofport_dpif *port = port_; | |
2672 | uint8_t ea[ETH_ADDR_LEN]; | |
2673 | int error; | |
2674 | ||
2675 | error = netdev_get_etheraddr(port->up.netdev, ea); | |
2676 | if (!error) { | |
abe529af | 2677 | struct ofpbuf packet; |
5f877369 | 2678 | void *packet_pdu; |
abe529af BP |
2679 | |
2680 | ofpbuf_init(&packet, 0); | |
2681 | packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP, | |
5f877369 EJ |
2682 | pdu_size); |
2683 | memcpy(packet_pdu, pdu, pdu_size); | |
2684 | ||
97d6520b | 2685 | send_packet(port, &packet); |
abe529af BP |
2686 | ofpbuf_uninit(&packet); |
2687 | } else { | |
2688 | VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface " | |
2689 | "%s (%s)", port->bundle->name, | |
10a89ef0 | 2690 | netdev_get_name(port->up.netdev), ovs_strerror(error)); |
abe529af BP |
2691 | } |
2692 | } | |
2693 | ||
2694 | static void | |
2695 | bundle_send_learning_packets(struct ofbundle *bundle) | |
2696 | { | |
2697 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
2698 | int error, n_packets, n_errors; | |
2699 | struct mac_entry *e; | |
2700 | ||
2701 | error = n_packets = n_errors = 0; | |
509c0149 | 2702 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
2703 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
2704 | if (e->port.p != bundle) { | |
ea131871 JG |
2705 | struct ofpbuf *learning_packet; |
2706 | struct ofport_dpif *port; | |
4dd1e3ca | 2707 | void *port_void; |
ea131871 JG |
2708 | int ret; |
2709 | ||
4dd1e3ca BP |
2710 | /* The assignment to "port" is unnecessary but makes "grep"ing for |
2711 | * struct ofport_dpif more effective. */ | |
2712 | learning_packet = bond_compose_learning_packet(bundle->bond, | |
2713 | e->mac, e->vlan, | |
2714 | &port_void); | |
2715 | port = port_void; | |
97d6520b | 2716 | ret = send_packet(port, learning_packet); |
ea131871 | 2717 | ofpbuf_delete(learning_packet); |
abe529af BP |
2718 | if (ret) { |
2719 | error = ret; | |
2720 | n_errors++; | |
2721 | } | |
2722 | n_packets++; | |
2723 | } | |
2724 | } | |
509c0149 | 2725 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af BP |
2726 | |
2727 | if (n_errors) { | |
2728 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
2729 | VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning " | |
2730 | "packets, last error was: %s", | |
10a89ef0 | 2731 | bundle->name, n_errors, n_packets, ovs_strerror(error)); |
abe529af BP |
2732 | } else { |
2733 | VLOG_DBG("bond %s: sent %d gratuitous learning packets", | |
2734 | bundle->name, n_packets); | |
2735 | } | |
2736 | } | |
2737 | ||
2738 | static void | |
2739 | bundle_run(struct ofbundle *bundle) | |
2740 | { | |
2741 | if (bundle->lacp) { | |
2742 | lacp_run(bundle->lacp, send_pdu_cb); | |
2743 | } | |
2744 | if (bundle->bond) { | |
2745 | struct ofport_dpif *port; | |
2746 | ||
2747 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
015e08bc | 2748 | bond_slave_set_may_enable(bundle->bond, port, port->may_enable); |
abe529af BP |
2749 | } |
2750 | ||
4a1b8f30 EJ |
2751 | if (bond_run(bundle->bond, lacp_status(bundle->lacp))) { |
2752 | bundle->ofproto->backer->need_revalidate = REV_BOND; | |
2753 | } | |
2754 | ||
abe529af BP |
2755 | if (bond_should_send_learning_packets(bundle->bond)) { |
2756 | bundle_send_learning_packets(bundle); | |
2757 | } | |
2758 | } | |
2759 | } | |
2760 | ||
2761 | static void | |
2762 | bundle_wait(struct ofbundle *bundle) | |
2763 | { | |
2764 | if (bundle->lacp) { | |
2765 | lacp_wait(bundle->lacp); | |
2766 | } | |
2767 | if (bundle->bond) { | |
2768 | bond_wait(bundle->bond); | |
2769 | } | |
2770 | } | |
2771 | \f | |
2772 | /* Mirrors. */ | |
2773 | ||
2774 | static int | |
ec7ceaed EJ |
2775 | mirror_set__(struct ofproto *ofproto_, void *aux, |
2776 | const struct ofproto_mirror_settings *s) | |
abe529af BP |
2777 | { |
2778 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
ec7ceaed EJ |
2779 | struct ofbundle **srcs, **dsts; |
2780 | int error; | |
2781 | size_t i; | |
abe529af | 2782 | |
abe529af | 2783 | if (!s) { |
ec7ceaed | 2784 | mirror_destroy(ofproto->mbridge, aux); |
abe529af BP |
2785 | return 0; |
2786 | } | |
2787 | ||
ec7ceaed EJ |
2788 | srcs = xmalloc(s->n_srcs * sizeof *srcs); |
2789 | dsts = xmalloc(s->n_dsts * sizeof *dsts); | |
abe529af | 2790 | |
ec7ceaed EJ |
2791 | for (i = 0; i < s->n_srcs; i++) { |
2792 | srcs[i] = bundle_lookup(ofproto, s->srcs[i]); | |
abe529af BP |
2793 | } |
2794 | ||
ec7ceaed EJ |
2795 | for (i = 0; i < s->n_dsts; i++) { |
2796 | dsts[i] = bundle_lookup(ofproto, s->dsts[i]); | |
abe529af BP |
2797 | } |
2798 | ||
ec7ceaed EJ |
2799 | error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts, |
2800 | s->n_dsts, s->src_vlans, | |
2801 | bundle_lookup(ofproto, s->out_bundle), s->out_vlan); | |
2802 | free(srcs); | |
2803 | free(dsts); | |
2804 | return error; | |
abe529af BP |
2805 | } |
2806 | ||
9d24de3b | 2807 | static int |
ec7ceaed EJ |
2808 | mirror_get_stats__(struct ofproto *ofproto, void *aux, |
2809 | uint64_t *packets, uint64_t *bytes) | |
9d24de3b | 2810 | { |
8844e035 | 2811 | push_all_stats(); |
ec7ceaed EJ |
2812 | return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets, |
2813 | bytes); | |
9d24de3b JP |
2814 | } |
2815 | ||
abe529af BP |
2816 | static int |
2817 | set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans) | |
2818 | { | |
2819 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 2820 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
abe529af | 2821 | if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) { |
30618594 | 2822 | mac_learning_flush(ofproto->ml); |
abe529af | 2823 | } |
509c0149 | 2824 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af BP |
2825 | return 0; |
2826 | } | |
2827 | ||
2828 | static bool | |
b4affc74 | 2829 | is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux) |
abe529af BP |
2830 | { |
2831 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2832 | struct ofbundle *bundle = bundle_lookup(ofproto, aux); | |
ec7ceaed | 2833 | return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0; |
abe529af | 2834 | } |
8402c74b SS |
2835 | |
2836 | static void | |
b53055f4 | 2837 | forward_bpdu_changed(struct ofproto *ofproto_) |
8402c74b SS |
2838 | { |
2839 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2cc3c58e | 2840 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8402c74b | 2841 | } |
e764773c BP |
2842 | |
2843 | static void | |
c4069512 BP |
2844 | set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time, |
2845 | size_t max_entries) | |
e764773c BP |
2846 | { |
2847 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 2848 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
e764773c | 2849 | mac_learning_set_idle_time(ofproto->ml, idle_time); |
c4069512 | 2850 | mac_learning_set_max_entries(ofproto->ml, max_entries); |
509c0149 | 2851 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
e764773c | 2852 | } |
abe529af BP |
2853 | \f |
2854 | /* Ports. */ | |
2855 | ||
46c88433 | 2856 | static struct ofport_dpif * |
4e022ec0 | 2857 | get_ofp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
abe529af | 2858 | { |
7df6a8bd BP |
2859 | struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port); |
2860 | return ofport ? ofport_dpif_cast(ofport) : NULL; | |
abe529af BP |
2861 | } |
2862 | ||
46c88433 | 2863 | static struct ofport_dpif * |
4e022ec0 | 2864 | get_odp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port) |
abe529af | 2865 | { |
7c33b188 JR |
2866 | struct ofport_dpif *port = odp_port_to_ofport(ofproto->backer, odp_port); |
2867 | return port && &ofproto->up == port->up.ofproto ? port : NULL; | |
abe529af BP |
2868 | } |
2869 | ||
2870 | static void | |
e1b1d06a JP |
2871 | ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto, |
2872 | struct ofproto_port *ofproto_port, | |
abe529af BP |
2873 | struct dpif_port *dpif_port) |
2874 | { | |
2875 | ofproto_port->name = dpif_port->name; | |
2876 | ofproto_port->type = dpif_port->type; | |
e1b1d06a | 2877 | ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no); |
abe529af BP |
2878 | } |
2879 | ||
6cbbf4fa EJ |
2880 | static void |
2881 | ofport_update_peer(struct ofport_dpif *ofport) | |
0a740f48 EJ |
2882 | { |
2883 | const struct ofproto_dpif *ofproto; | |
6cbbf4fa | 2884 | struct dpif_backer *backer; |
161b6042 | 2885 | char *peer_name; |
6cbbf4fa EJ |
2886 | |
2887 | if (!netdev_vport_is_patch(ofport->up.netdev)) { | |
2888 | return; | |
2889 | } | |
2890 | ||
2891 | backer = ofproto_dpif_cast(ofport->up.ofproto)->backer; | |
7894e7da | 2892 | backer->need_revalidate = REV_RECONFIGURE; |
0a740f48 | 2893 | |
6cbbf4fa EJ |
2894 | if (ofport->peer) { |
2895 | ofport->peer->peer = NULL; | |
2896 | ofport->peer = NULL; | |
2897 | } | |
2898 | ||
2899 | peer_name = netdev_vport_patch_peer(ofport->up.netdev); | |
2900 | if (!peer_name) { | |
2901 | return; | |
0a740f48 EJ |
2902 | } |
2903 | ||
2904 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
6cbbf4fa EJ |
2905 | struct ofport *peer_ofport; |
2906 | struct ofport_dpif *peer; | |
161b6042 | 2907 | char *peer_peer; |
0a740f48 | 2908 | |
462abef2 EJ |
2909 | if (ofproto->backer != backer) { |
2910 | continue; | |
2911 | } | |
2912 | ||
6cbbf4fa EJ |
2913 | peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name); |
2914 | if (!peer_ofport) { | |
2915 | continue; | |
2916 | } | |
2917 | ||
2918 | peer = ofport_dpif_cast(peer_ofport); | |
2919 | peer_peer = netdev_vport_patch_peer(peer->up.netdev); | |
2920 | if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev), | |
2921 | peer_peer)) { | |
2922 | ofport->peer = peer; | |
2923 | ofport->peer->peer = ofport; | |
0a740f48 | 2924 | } |
161b6042 | 2925 | free(peer_peer); |
6cbbf4fa | 2926 | |
161b6042 | 2927 | break; |
0a740f48 | 2928 | } |
161b6042 | 2929 | free(peer_name); |
0a740f48 EJ |
2930 | } |
2931 | ||
0aa66d6e EJ |
2932 | static void |
2933 | port_run_fast(struct ofport_dpif *ofport) | |
2934 | { | |
2935 | if (ofport->cfm && cfm_should_send_ccm(ofport->cfm)) { | |
2936 | struct ofpbuf packet; | |
2937 | ||
2938 | ofpbuf_init(&packet, 0); | |
2939 | cfm_compose_ccm(ofport->cfm, &packet, ofport->up.pp.hw_addr); | |
2940 | send_packet(ofport, &packet); | |
2941 | ofpbuf_uninit(&packet); | |
2942 | } | |
ccc09689 EJ |
2943 | |
2944 | if (ofport->bfd && bfd_should_send_packet(ofport->bfd)) { | |
2945 | struct ofpbuf packet; | |
2946 | ||
2947 | ofpbuf_init(&packet, 0); | |
2948 | bfd_put_packet(ofport->bfd, &packet, ofport->up.pp.hw_addr); | |
2949 | send_packet(ofport, &packet); | |
2950 | ofpbuf_uninit(&packet); | |
2951 | } | |
0aa66d6e EJ |
2952 | } |
2953 | ||
abe529af BP |
2954 | static void |
2955 | port_run(struct ofport_dpif *ofport) | |
2956 | { | |
3e5b3fdb EJ |
2957 | long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev); |
2958 | bool carrier_changed = carrier_seq != ofport->carrier_seq; | |
015e08bc EJ |
2959 | bool enable = netdev_get_carrier(ofport->up.netdev); |
2960 | ||
3e5b3fdb EJ |
2961 | ofport->carrier_seq = carrier_seq; |
2962 | ||
0aa66d6e | 2963 | port_run_fast(ofport); |
b9ad7294 | 2964 | |
abe529af | 2965 | if (ofport->cfm) { |
4653c558 EJ |
2966 | int cfm_opup = cfm_get_opup(ofport->cfm); |
2967 | ||
abe529af | 2968 | cfm_run(ofport->cfm); |
4653c558 EJ |
2969 | enable = enable && !cfm_get_fault(ofport->cfm); |
2970 | ||
2971 | if (cfm_opup >= 0) { | |
2972 | enable = enable && cfm_opup; | |
2973 | } | |
abe529af | 2974 | } |
015e08bc | 2975 | |
ccc09689 EJ |
2976 | if (ofport->bfd) { |
2977 | bfd_run(ofport->bfd); | |
2978 | enable = enable && bfd_forwarding(ofport->bfd); | |
2979 | } | |
2980 | ||
015e08bc EJ |
2981 | if (ofport->bundle) { |
2982 | enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport); | |
3e5b3fdb EJ |
2983 | if (carrier_changed) { |
2984 | lacp_slave_carrier_changed(ofport->bundle->lacp, ofport); | |
2985 | } | |
015e08bc EJ |
2986 | } |
2987 | ||
daff3353 EJ |
2988 | if (ofport->may_enable != enable) { |
2989 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
83341407 | 2990 | ofproto->backer->need_revalidate = REV_PORT_TOGGLED; |
daff3353 EJ |
2991 | } |
2992 | ||
015e08bc | 2993 | ofport->may_enable = enable; |
abe529af BP |
2994 | } |
2995 | ||
2996 | static void | |
2997 | port_wait(struct ofport_dpif *ofport) | |
2998 | { | |
2999 | if (ofport->cfm) { | |
3000 | cfm_wait(ofport->cfm); | |
3001 | } | |
ccc09689 EJ |
3002 | |
3003 | if (ofport->bfd) { | |
3004 | bfd_wait(ofport->bfd); | |
3005 | } | |
abe529af BP |
3006 | } |
3007 | ||
3008 | static int | |
3009 | port_query_by_name(const struct ofproto *ofproto_, const char *devname, | |
3010 | struct ofproto_port *ofproto_port) | |
3011 | { | |
3012 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3013 | struct dpif_port dpif_port; | |
3014 | int error; | |
3015 | ||
0a740f48 EJ |
3016 | if (sset_contains(&ofproto->ghost_ports, devname)) { |
3017 | const char *type = netdev_get_type_from_name(devname); | |
3018 | ||
3019 | /* We may be called before ofproto->up.port_by_name is populated with | |
3020 | * the appropriate ofport. For this reason, we must get the name and | |
3021 | * type from the netdev layer directly. */ | |
3022 | if (type) { | |
3023 | const struct ofport *ofport; | |
3024 | ||
3025 | ofport = shash_find_data(&ofproto->up.port_by_name, devname); | |
3026 | ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE; | |
3027 | ofproto_port->name = xstrdup(devname); | |
3028 | ofproto_port->type = xstrdup(type); | |
3029 | return 0; | |
3030 | } | |
3031 | return ENODEV; | |
3032 | } | |
3033 | ||
acf60855 JP |
3034 | if (!sset_contains(&ofproto->ports, devname)) { |
3035 | return ENODEV; | |
3036 | } | |
3037 | error = dpif_port_query_by_name(ofproto->backer->dpif, | |
3038 | devname, &dpif_port); | |
abe529af | 3039 | if (!error) { |
e1b1d06a | 3040 | ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port); |
abe529af BP |
3041 | } |
3042 | return error; | |
3043 | } | |
3044 | ||
3045 | static int | |
e1b1d06a | 3046 | port_add(struct ofproto *ofproto_, struct netdev *netdev) |
abe529af BP |
3047 | { |
3048 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 3049 | const char *devname = netdev_get_name(netdev); |
3aa30359 BP |
3050 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
3051 | const char *dp_port_name; | |
abe529af | 3052 | |
0a740f48 EJ |
3053 | if (netdev_vport_is_patch(netdev)) { |
3054 | sset_add(&ofproto->ghost_ports, netdev_get_name(netdev)); | |
3055 | return 0; | |
3056 | } | |
3057 | ||
3aa30359 | 3058 | dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf); |
b9ad7294 | 3059 | if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
4e022ec0 | 3060 | odp_port_t port_no = ODPP_NONE; |
7d82ab2e KM |
3061 | int error; |
3062 | ||
3063 | error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no); | |
b9ad7294 EJ |
3064 | if (error) { |
3065 | return error; | |
3066 | } | |
7d82ab2e | 3067 | if (netdev_get_tunnel_config(netdev)) { |
4e022ec0 AW |
3068 | simap_put(&ofproto->backer->tnl_backers, |
3069 | dp_port_name, odp_to_u32(port_no)); | |
7d82ab2e | 3070 | } |
acf60855 | 3071 | } |
b9ad7294 EJ |
3072 | |
3073 | if (netdev_get_tunnel_config(netdev)) { | |
3074 | sset_add(&ofproto->ghost_ports, devname); | |
b9ad7294 EJ |
3075 | } else { |
3076 | sset_add(&ofproto->ports, devname); | |
3077 | } | |
3078 | return 0; | |
3079 | } | |
3080 | ||
abe529af | 3081 | static int |
4e022ec0 | 3082 | port_del(struct ofproto *ofproto_, ofp_port_t ofp_port) |
abe529af BP |
3083 | { |
3084 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 3085 | struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); |
e1b1d06a | 3086 | int error = 0; |
abe529af | 3087 | |
b9ad7294 EJ |
3088 | if (!ofport) { |
3089 | return 0; | |
e1b1d06a | 3090 | } |
b9ad7294 EJ |
3091 | |
3092 | sset_find_and_delete(&ofproto->ghost_ports, | |
3093 | netdev_get_name(ofport->up.netdev)); | |
a614d823 | 3094 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
42943cde | 3095 | if (!ofport->is_tunnel) { |
b9ad7294 EJ |
3096 | error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port); |
3097 | if (!error) { | |
abe529af BP |
3098 | /* The caller is going to close ofport->up.netdev. If this is a |
3099 | * bonded port, then the bond is using that netdev, so remove it | |
3100 | * from the bond. The client will need to reconfigure everything | |
3101 | * after deleting ports, so then the slave will get re-added. */ | |
3102 | bundle_remove(&ofport->up); | |
3103 | } | |
3104 | } | |
3105 | return error; | |
3106 | } | |
3107 | ||
6527c598 PS |
3108 | static int |
3109 | port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats) | |
3110 | { | |
3111 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3112 | int error; | |
3113 | ||
8844e035 EJ |
3114 | push_all_stats(); |
3115 | ||
6527c598 PS |
3116 | error = netdev_get_stats(ofport->up.netdev, stats); |
3117 | ||
ee382d89 | 3118 | if (!error && ofport_->ofp_port == OFPP_LOCAL) { |
6527c598 PS |
3119 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
3120 | ||
3121 | /* ofproto->stats.tx_packets represents packets that we created | |
3122 | * internally and sent to some port (e.g. packets sent with | |
3123 | * send_packet()). Account for them as if they had come from | |
3124 | * OFPP_LOCAL and got forwarded. */ | |
3125 | ||
3126 | if (stats->rx_packets != UINT64_MAX) { | |
3127 | stats->rx_packets += ofproto->stats.tx_packets; | |
3128 | } | |
3129 | ||
3130 | if (stats->rx_bytes != UINT64_MAX) { | |
3131 | stats->rx_bytes += ofproto->stats.tx_bytes; | |
3132 | } | |
3133 | ||
3134 | /* ofproto->stats.rx_packets represents packets that were received on | |
3135 | * some port and we processed internally and dropped (e.g. STP). | |
4e090bc7 | 3136 | * Account for them as if they had been forwarded to OFPP_LOCAL. */ |
6527c598 PS |
3137 | |
3138 | if (stats->tx_packets != UINT64_MAX) { | |
3139 | stats->tx_packets += ofproto->stats.rx_packets; | |
3140 | } | |
3141 | ||
3142 | if (stats->tx_bytes != UINT64_MAX) { | |
3143 | stats->tx_bytes += ofproto->stats.rx_bytes; | |
3144 | } | |
3145 | } | |
3146 | ||
3147 | return error; | |
3148 | } | |
3149 | ||
abe529af | 3150 | struct port_dump_state { |
acf60855 JP |
3151 | uint32_t bucket; |
3152 | uint32_t offset; | |
0a740f48 | 3153 | bool ghost; |
da78d43d BP |
3154 | |
3155 | struct ofproto_port port; | |
3156 | bool has_port; | |
abe529af BP |
3157 | }; |
3158 | ||
3159 | static int | |
acf60855 | 3160 | port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep) |
abe529af | 3161 | { |
0a740f48 | 3162 | *statep = xzalloc(sizeof(struct port_dump_state)); |
abe529af BP |
3163 | return 0; |
3164 | } | |
3165 | ||
3166 | static int | |
b9ad7294 | 3167 | port_dump_next(const struct ofproto *ofproto_, void *state_, |
abe529af BP |
3168 | struct ofproto_port *port) |
3169 | { | |
e1b1d06a | 3170 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
abe529af | 3171 | struct port_dump_state *state = state_; |
0a740f48 | 3172 | const struct sset *sset; |
acf60855 | 3173 | struct sset_node *node; |
abe529af | 3174 | |
da78d43d BP |
3175 | if (state->has_port) { |
3176 | ofproto_port_destroy(&state->port); | |
3177 | state->has_port = false; | |
3178 | } | |
0a740f48 EJ |
3179 | sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports; |
3180 | while ((node = sset_at_position(sset, &state->bucket, &state->offset))) { | |
acf60855 JP |
3181 | int error; |
3182 | ||
da78d43d BP |
3183 | error = port_query_by_name(ofproto_, node->name, &state->port); |
3184 | if (!error) { | |
3185 | *port = state->port; | |
3186 | state->has_port = true; | |
3187 | return 0; | |
3188 | } else if (error != ENODEV) { | |
acf60855 JP |
3189 | return error; |
3190 | } | |
abe529af | 3191 | } |
acf60855 | 3192 | |
0a740f48 EJ |
3193 | if (!state->ghost) { |
3194 | state->ghost = true; | |
3195 | state->bucket = 0; | |
3196 | state->offset = 0; | |
3197 | return port_dump_next(ofproto_, state_, port); | |
3198 | } | |
3199 | ||
acf60855 | 3200 | return EOF; |
abe529af BP |
3201 | } |
3202 | ||
3203 | static int | |
3204 | port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_) | |
3205 | { | |
3206 | struct port_dump_state *state = state_; | |
3207 | ||
da78d43d BP |
3208 | if (state->has_port) { |
3209 | ofproto_port_destroy(&state->port); | |
3210 | } | |
abe529af BP |
3211 | free(state); |
3212 | return 0; | |
3213 | } | |
3214 | ||
3215 | static int | |
3216 | port_poll(const struct ofproto *ofproto_, char **devnamep) | |
3217 | { | |
3218 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 JP |
3219 | |
3220 | if (ofproto->port_poll_errno) { | |
3221 | int error = ofproto->port_poll_errno; | |
3222 | ofproto->port_poll_errno = 0; | |
3223 | return error; | |
3224 | } | |
3225 | ||
3226 | if (sset_is_empty(&ofproto->port_poll_set)) { | |
3227 | return EAGAIN; | |
3228 | } | |
3229 | ||
3230 | *devnamep = sset_pop(&ofproto->port_poll_set); | |
3231 | return 0; | |
abe529af BP |
3232 | } |
3233 | ||
3234 | static void | |
3235 | port_poll_wait(const struct ofproto *ofproto_) | |
3236 | { | |
3237 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 3238 | dpif_port_poll_wait(ofproto->backer->dpif); |
abe529af BP |
3239 | } |
3240 | ||
3241 | static int | |
3242 | port_is_lacp_current(const struct ofport *ofport_) | |
3243 | { | |
3244 | const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3245 | return (ofport->bundle && ofport->bundle->lacp | |
3246 | ? lacp_slave_is_current(ofport->bundle->lacp, ofport) | |
3247 | : -1); | |
3248 | } | |
3249 | \f | |
3250 | /* Upcall handling. */ | |
3251 | ||
501f8d1f | 3252 | struct flow_miss_op { |
c2b565b5 | 3253 | struct dpif_op dpif_op; |
bbafd73b EJ |
3254 | |
3255 | uint64_t slow_stub[128 / 8]; /* Buffer for compose_slow_path() */ | |
3256 | struct xlate_out xout; | |
3257 | bool xout_garbage; /* 'xout' needs to be uninitialized? */ | |
9b1a48c2 | 3258 | |
d445cc16 JP |
3259 | struct ofpbuf mask; /* Flow mask for "put" ops. */ |
3260 | struct odputil_keybuf maskbuf; | |
3261 | ||
9b1a48c2 JP |
3262 | /* If this is a "put" op, then a pointer to the subfacet that should |
3263 | * be marked as uninstalled if the operation fails. */ | |
3264 | struct subfacet *subfacet; | |
501f8d1f BP |
3265 | }; |
3266 | ||
9d6ac44e | 3267 | /* Figures out whether a flow that missed in 'ofproto', whose details are in |
bcd2633a JP |
3268 | * 'miss' masked by 'wc', is likely to be worth tracking in detail in userspace |
3269 | * and (usually) installing a datapath flow. The answer is usually "yes" (a | |
3270 | * return value of true). However, for short flows the cost of bookkeeping is | |
3271 | * much higher than the benefits, so when the datapath holds a large number of | |
3272 | * flows we impose some heuristics to decide which flows are likely to be worth | |
3273 | * tracking. */ | |
9d6ac44e | 3274 | static bool |
e1ec7dd4 | 3275 | flow_miss_should_make_facet(struct flow_miss *miss) |
9d6ac44e | 3276 | { |
04d08d54 | 3277 | struct dpif_backer *backer = miss->ofproto->backer; |
bcd2633a | 3278 | uint32_t hash; |
04d08d54 | 3279 | |
7155fa52 JS |
3280 | switch (flow_miss_model) { |
3281 | case OFPROTO_HANDLE_MISS_AUTO: | |
3282 | break; | |
3283 | case OFPROTO_HANDLE_MISS_WITH_FACETS: | |
3284 | return true; | |
3285 | case OFPROTO_HANDLE_MISS_WITHOUT_FACETS: | |
3286 | return false; | |
3287 | } | |
3288 | ||
04d08d54 | 3289 | if (!backer->governor) { |
9d6ac44e BP |
3290 | size_t n_subfacets; |
3291 | ||
04d08d54 | 3292 | n_subfacets = hmap_count(&backer->subfacets); |
380f49c4 | 3293 | if (n_subfacets * 2 <= flow_eviction_threshold) { |
9d6ac44e BP |
3294 | return true; |
3295 | } | |
3296 | ||
c985ec94 | 3297 | backer->governor = governor_create(); |
9d6ac44e BP |
3298 | } |
3299 | ||
e1ec7dd4 | 3300 | hash = flow_hash_in_wildcards(&miss->flow, &miss->xout.wc, 0); |
04d08d54 | 3301 | return governor_should_install_flow(backer->governor, hash, |
9d6ac44e BP |
3302 | list_size(&miss->packets)); |
3303 | } | |
3304 | ||
9d6ac44e | 3305 | /* Handles 'miss', which matches 'facet'. May add any required datapath |
459b16a1 BP |
3306 | * operations to 'ops', incrementing '*n_ops' for each new op. |
3307 | * | |
e1ec7dd4 EJ |
3308 | * All of the packets in 'miss' are considered to have arrived at time |
3309 | * 'miss->stats.used'. This is really important only for new facets: if we | |
3310 | * just called time_msec() here, then the new subfacet or its packets could | |
3311 | * look (occasionally) as though it was used some time after the facet was | |
3312 | * used. That can make a one-packet flow look like it has a nonzero duration, | |
3313 | * which looks odd in e.g. NetFlow statistics. */ | |
9d6ac44e BP |
3314 | static void |
3315 | handle_flow_miss_with_facet(struct flow_miss *miss, struct facet *facet, | |
3316 | struct flow_miss_op *ops, size_t *n_ops) | |
3317 | { | |
6a7e895f | 3318 | enum subfacet_path want_path; |
9d6ac44e | 3319 | struct subfacet *subfacet; |
67d91f78 | 3320 | |
e1ec7dd4 EJ |
3321 | facet->packet_count += miss->stats.n_packets; |
3322 | facet->prev_packet_count += miss->stats.n_packets; | |
3323 | facet->byte_count += miss->stats.n_bytes; | |
3324 | facet->prev_byte_count += miss->stats.n_bytes; | |
501f8d1f | 3325 | |
e1ec7dd4 EJ |
3326 | subfacet = subfacet_create(facet, miss); |
3327 | want_path = facet->xout.slow ? SF_SLOW_PATH : SF_FAST_PATH; | |
501f8d1f | 3328 | |
a41d7bf2 JP |
3329 | /* Don't install the flow if it's the result of the "userspace" |
3330 | * action for an already installed facet. This can occur when a | |
3331 | * datapath flow with wildcards has a "userspace" action and flows | |
3332 | * sent to userspace result in a different subfacet, which will then | |
3333 | * be rejected as overlapping by the datapath. */ | |
3334 | if (miss->upcall_type == DPIF_UC_ACTION | |
3335 | && !list_is_empty(&facet->subfacets)) { | |
a41d7bf2 JP |
3336 | return; |
3337 | } | |
3338 | ||
e1ec7dd4 | 3339 | subfacet = subfacet_create(facet, miss); |
24ce4b08 | 3340 | if (subfacet->path != want_path) { |
501f8d1f | 3341 | struct flow_miss_op *op = &ops[(*n_ops)++]; |
c2b565b5 | 3342 | struct dpif_flow_put *put = &op->dpif_op.u.flow_put; |
501f8d1f | 3343 | |
c84451a6 EJ |
3344 | subfacet->path = want_path; |
3345 | ||
d445cc16 | 3346 | ofpbuf_use_stack(&op->mask, &op->maskbuf, sizeof op->maskbuf); |
6b35e630 JP |
3347 | if (enable_megaflows) { |
3348 | odp_flow_key_from_mask(&op->mask, &facet->xout.wc.masks, | |
3349 | &miss->flow, UINT32_MAX); | |
3350 | } | |
d445cc16 | 3351 | |
bbafd73b | 3352 | op->xout_garbage = false; |
c2b565b5 | 3353 | op->dpif_op.type = DPIF_OP_FLOW_PUT; |
9b1a48c2 | 3354 | op->subfacet = subfacet; |
0f74f625 | 3355 | put->flags = DPIF_FP_CREATE; |
501f8d1f BP |
3356 | put->key = miss->key; |
3357 | put->key_len = miss->key_len; | |
d445cc16 JP |
3358 | put->mask = op->mask.data; |
3359 | put->mask_len = op->mask.size; | |
3360 | ||
6a7e895f | 3361 | if (want_path == SF_FAST_PATH) { |
bbafd73b EJ |
3362 | put->actions = facet->xout.odp_actions.data; |
3363 | put->actions_len = facet->xout.odp_actions.size; | |
6a7e895f | 3364 | } else { |
b7e2f6b3 | 3365 | compose_slow_path(facet->ofproto, &miss->flow, facet->xout.slow, |
bbafd73b | 3366 | op->slow_stub, sizeof op->slow_stub, |
6a7e895f BP |
3367 | &put->actions, &put->actions_len); |
3368 | } | |
501f8d1f BP |
3369 | put->stats = NULL; |
3370 | } | |
3371 | } | |
3372 | ||
acf60855 JP |
3373 | /* Handles flow miss 'miss'. May add any required datapath operations |
3374 | * to 'ops', incrementing '*n_ops' for each new op. */ | |
9d6ac44e | 3375 | static void |
acf60855 JP |
3376 | handle_flow_miss(struct flow_miss *miss, struct flow_miss_op *ops, |
3377 | size_t *n_ops) | |
9d6ac44e BP |
3378 | { |
3379 | struct facet *facet; | |
9d6ac44e | 3380 | |
e1ec7dd4 | 3381 | miss->ofproto->n_missed += list_size(&miss->packets); |
9d6ac44e | 3382 | |
e1ec7dd4 | 3383 | facet = facet_lookup_valid(miss->ofproto, &miss->flow); |
9d6ac44e | 3384 | if (!facet) { |
ba33dd03 EJ |
3385 | /* There does not exist a bijection between 'struct flow' and datapath |
3386 | * flow keys with fitness ODP_FIT_TO_LITTLE. This breaks a fundamental | |
3387 | * assumption used throughout the facet and subfacet handling code. | |
3388 | * Since we have to handle these misses in userspace anyway, we simply | |
ec9f40dc | 3389 | * skip facet creation, avoiding the problem altogether. */ |
ba33dd03 | 3390 | if (miss->key_fitness == ODP_FIT_TOO_LITTLE |
e1ec7dd4 | 3391 | || !flow_miss_should_make_facet(miss)) { |
9d6ac44e BP |
3392 | return; |
3393 | } | |
3394 | ||
e1ec7dd4 | 3395 | facet = facet_create(miss); |
9d6ac44e | 3396 | } |
e1ec7dd4 | 3397 | handle_flow_miss_with_facet(miss, facet, ops, n_ops); |
9d6ac44e BP |
3398 | } |
3399 | ||
8f73d537 EJ |
3400 | static struct drop_key * |
3401 | drop_key_lookup(const struct dpif_backer *backer, const struct nlattr *key, | |
3402 | size_t key_len) | |
3403 | { | |
3404 | struct drop_key *drop_key; | |
3405 | ||
3406 | HMAP_FOR_EACH_WITH_HASH (drop_key, hmap_node, hash_bytes(key, key_len, 0), | |
3407 | &backer->drop_keys) { | |
3408 | if (drop_key->key_len == key_len | |
3409 | && !memcmp(drop_key->key, key, key_len)) { | |
3410 | return drop_key; | |
3411 | } | |
3412 | } | |
3413 | return NULL; | |
3414 | } | |
3415 | ||
3416 | static void | |
3417 | drop_key_clear(struct dpif_backer *backer) | |
3418 | { | |
3419 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 15); | |
3420 | struct drop_key *drop_key, *next; | |
3421 | ||
3422 | HMAP_FOR_EACH_SAFE (drop_key, next, hmap_node, &backer->drop_keys) { | |
3423 | int error; | |
3424 | ||
3425 | error = dpif_flow_del(backer->dpif, drop_key->key, drop_key->key_len, | |
3426 | NULL); | |
3427 | if (error && !VLOG_DROP_WARN(&rl)) { | |
3428 | struct ds ds = DS_EMPTY_INITIALIZER; | |
3429 | odp_flow_key_format(drop_key->key, drop_key->key_len, &ds); | |
10a89ef0 BP |
3430 | VLOG_WARN("Failed to delete drop key (%s) (%s)", |
3431 | ovs_strerror(error), ds_cstr(&ds)); | |
8f73d537 EJ |
3432 | ds_destroy(&ds); |
3433 | } | |
3434 | ||
3435 | hmap_remove(&backer->drop_keys, &drop_key->hmap_node); | |
e1ec7dd4 | 3436 | drop_key_destroy(drop_key); |
8f73d537 | 3437 | } |
e1ec7dd4 EJ |
3438 | |
3439 | udpif_drop_key_clear(backer->udpif); | |
8f73d537 EJ |
3440 | } |
3441 | ||
501f8d1f | 3442 | static void |
e1ec7dd4 | 3443 | handle_flow_misses(struct dpif_backer *backer, struct flow_miss_batch *fmb) |
501f8d1f | 3444 | { |
e1ec7dd4 EJ |
3445 | struct flow_miss_op flow_miss_ops[FLOW_MISS_MAX_BATCH]; |
3446 | struct dpif_op *dpif_ops[FLOW_MISS_MAX_BATCH]; | |
b23cdad9 | 3447 | struct flow_miss *miss; |
e1ec7dd4 | 3448 | size_t n_ops, i; |
501f8d1f BP |
3449 | |
3450 | /* Process each element in the to-do list, constructing the set of | |
3451 | * operations to batch. */ | |
3452 | n_ops = 0; | |
e1ec7dd4 | 3453 | HMAP_FOR_EACH (miss, hmap_node, &fmb->misses) { |
acf60855 | 3454 | handle_flow_miss(miss, flow_miss_ops, &n_ops); |
abe529af | 3455 | } |
cb22974d | 3456 | ovs_assert(n_ops <= ARRAY_SIZE(flow_miss_ops)); |
501f8d1f BP |
3457 | |
3458 | /* Execute batch. */ | |
3459 | for (i = 0; i < n_ops; i++) { | |
3460 | dpif_ops[i] = &flow_miss_ops[i].dpif_op; | |
3461 | } | |
acf60855 | 3462 | dpif_operate(backer->dpif, dpif_ops, n_ops); |
501f8d1f | 3463 | |
501f8d1f | 3464 | for (i = 0; i < n_ops; i++) { |
9b1a48c2 JP |
3465 | if (dpif_ops[i]->error != 0 |
3466 | && flow_miss_ops[i].dpif_op.type == DPIF_OP_FLOW_PUT | |
3467 | && flow_miss_ops[i].subfacet) { | |
3468 | struct subfacet *subfacet = flow_miss_ops[i].subfacet; | |
3469 | ||
3470 | COVERAGE_INC(subfacet_install_fail); | |
3471 | ||
cfd5c9eb JP |
3472 | /* Zero-out subfacet counters when installation failed, but |
3473 | * datapath reported hits. This should not happen and | |
3474 | * indicates a bug, since if the datapath flow exists, we | |
3475 | * should not be attempting to create a new subfacet. A | |
3476 | * buggy datapath could trigger this, so just zero out the | |
3477 | * counters and log an error. */ | |
3478 | if (subfacet->dp_packet_count || subfacet->dp_byte_count) { | |
3479 | VLOG_ERR_RL(&rl, "failed to install subfacet for which " | |
3480 | "datapath reported hits"); | |
3481 | subfacet->dp_packet_count = subfacet->dp_byte_count = 0; | |
3482 | } | |
3483 | ||
9b1a48c2 JP |
3484 | subfacet->path = SF_NOT_INSTALLED; |
3485 | } | |
6a7e895f BP |
3486 | } |
3487 | } | |
3488 | ||
abe529af | 3489 | static void |
acf60855 | 3490 | handle_sflow_upcall(struct dpif_backer *backer, |
6a7e895f | 3491 | const struct dpif_upcall *upcall) |
abe529af | 3492 | { |
acf60855 | 3493 | struct ofproto_dpif *ofproto; |
1673e0e4 | 3494 | union user_action_cookie cookie; |
e84173dc | 3495 | struct flow flow; |
4e022ec0 | 3496 | odp_port_t odp_in_port; |
abe529af | 3497 | |
8449c4d6 EJ |
3498 | if (xlate_receive(backer, upcall->packet, upcall->key, upcall->key_len, |
3499 | &flow, NULL, &ofproto, &odp_in_port) | |
e09ee259 | 3500 | || !ofproto->sflow) { |
e84173dc BP |
3501 | return; |
3502 | } | |
3503 | ||
29089a54 RL |
3504 | memset(&cookie, 0, sizeof cookie); |
3505 | memcpy(&cookie, nl_attr_get(upcall->userdata), sizeof cookie.sflow); | |
e1b1d06a JP |
3506 | dpif_sflow_received(ofproto->sflow, upcall->packet, &flow, |
3507 | odp_in_port, &cookie); | |
6ff686f2 PS |
3508 | } |
3509 | ||
29089a54 RL |
3510 | static void |
3511 | handle_flow_sample_upcall(struct dpif_backer *backer, | |
3512 | const struct dpif_upcall *upcall) | |
3513 | { | |
3514 | struct ofproto_dpif *ofproto; | |
3515 | union user_action_cookie cookie; | |
3516 | struct flow flow; | |
3517 | ||
8449c4d6 EJ |
3518 | if (xlate_receive(backer, upcall->packet, upcall->key, upcall->key_len, |
3519 | &flow, NULL, &ofproto, NULL) | |
29089a54 RL |
3520 | || !ofproto->ipfix) { |
3521 | return; | |
3522 | } | |
3523 | ||
3524 | memset(&cookie, 0, sizeof cookie); | |
3525 | memcpy(&cookie, nl_attr_get(upcall->userdata), sizeof cookie.flow_sample); | |
3526 | ||
3527 | /* The flow reflects exactly the contents of the packet. Sample | |
3528 | * the packet using it. */ | |
3529 | dpif_ipfix_flow_sample(ofproto->ipfix, upcall->packet, &flow, | |
3530 | cookie.flow_sample.collector_set_id, | |
3531 | cookie.flow_sample.probability, | |
3532 | cookie.flow_sample.obs_domain_id, | |
3533 | cookie.flow_sample.obs_point_id); | |
3534 | } | |
3535 | ||
3536 | static void | |
3537 | handle_ipfix_upcall(struct dpif_backer *backer, | |
3538 | const struct dpif_upcall *upcall) | |
3539 | { | |
3540 | struct ofproto_dpif *ofproto; | |
3541 | struct flow flow; | |
3542 | ||
8449c4d6 EJ |
3543 | if (xlate_receive(backer, upcall->packet, upcall->key, upcall->key_len, |
3544 | &flow, NULL, &ofproto, NULL) | |
29089a54 RL |
3545 | || !ofproto->ipfix) { |
3546 | return; | |
3547 | } | |
3548 | ||
3549 | /* The flow reflects exactly the contents of the packet. Sample | |
3550 | * the packet using it. */ | |
3551 | dpif_ipfix_bridge_sample(ofproto->ipfix, upcall->packet, &flow); | |
3552 | } | |
3553 | ||
e1ec7dd4 EJ |
3554 | static void |
3555 | handle_upcalls(struct dpif_backer *backer) | |
6ff686f2 | 3556 | { |
e1ec7dd4 | 3557 | struct flow_miss_batch *fmb; |
90a7c55e | 3558 | int n_processed; |
abe529af | 3559 | |
e1ec7dd4 EJ |
3560 | for (n_processed = 0; n_processed < FLOW_MISS_MAX_BATCH; n_processed++) { |
3561 | struct upcall *upcall = upcall_next(backer->udpif); | |
abe529af | 3562 | |
e1ec7dd4 | 3563 | if (!upcall) { |
9b16c439 BP |
3564 | break; |
3565 | } | |
3566 | ||
e1ec7dd4 | 3567 | switch (upcall->type) { |
6a7e895f | 3568 | case SFLOW_UPCALL: |
e1ec7dd4 | 3569 | handle_sflow_upcall(backer, &upcall->dpif_upcall); |
6a7e895f BP |
3570 | break; |
3571 | ||
29089a54 | 3572 | case FLOW_SAMPLE_UPCALL: |
e1ec7dd4 | 3573 | handle_flow_sample_upcall(backer, &upcall->dpif_upcall); |
29089a54 RL |
3574 | break; |
3575 | ||
3576 | case IPFIX_UPCALL: | |
e1ec7dd4 | 3577 | handle_ipfix_upcall(backer, &upcall->dpif_upcall); |
29089a54 RL |
3578 | break; |
3579 | ||
6a7e895f | 3580 | case BAD_UPCALL: |
9b16c439 | 3581 | break; |
e1ec7dd4 EJ |
3582 | |
3583 | case MISS_UPCALL: | |
3584 | NOT_REACHED(); | |
9b16c439 | 3585 | } |
e1ec7dd4 EJ |
3586 | |
3587 | upcall_destroy(upcall); | |
abe529af | 3588 | } |
9b16c439 | 3589 | |
e1ec7dd4 EJ |
3590 | for (n_processed = 0; n_processed < FLOW_MISS_MAX_BATCH; n_processed++) { |
3591 | struct drop_key *drop_key = drop_key_next(backer->udpif); | |
3592 | if (!drop_key) { | |
3593 | break; | |
3594 | } | |
3595 | ||
3596 | if (!drop_key_lookup(backer, drop_key->key, drop_key->key_len)) { | |
3597 | hmap_insert(&backer->drop_keys, &drop_key->hmap_node, | |
3598 | hash_bytes(drop_key->key, drop_key->key_len, 0)); | |
3599 | dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_MODIFY, | |
3600 | drop_key->key, drop_key->key_len, | |
3601 | NULL, 0, NULL, 0, NULL); | |
3602 | } else { | |
3603 | drop_key_destroy(drop_key); | |
3604 | } | |
90a7c55e | 3605 | } |
9b16c439 | 3606 | |
e1ec7dd4 EJ |
3607 | fmb = flow_miss_batch_next(backer->udpif); |
3608 | if (fmb) { | |
3609 | handle_flow_misses(backer, fmb); | |
3610 | flow_miss_batch_destroy(fmb); | |
3611 | } | |
abe529af BP |
3612 | } |
3613 | \f | |
3614 | /* Flow expiration. */ | |
3615 | ||
04d08d54 | 3616 | static int subfacet_max_idle(const struct dpif_backer *); |
acf60855 | 3617 | static void update_stats(struct dpif_backer *); |
abe529af | 3618 | static void rule_expire(struct rule_dpif *); |
04d08d54 | 3619 | static void expire_subfacets(struct dpif_backer *, int dp_max_idle); |
abe529af BP |
3620 | |
3621 | /* This function is called periodically by run(). Its job is to collect | |
3622 | * updates for the flows that have been installed into the datapath, most | |
3623 | * importantly when they last were used, and then use that information to | |
3624 | * expire flows that have not been used recently. | |
3625 | * | |
3626 | * Returns the number of milliseconds after which it should be called again. */ | |
3627 | static int | |
acf60855 | 3628 | expire(struct dpif_backer *backer) |
abe529af | 3629 | { |
acf60855 | 3630 | struct ofproto_dpif *ofproto; |
dc54ef36 | 3631 | size_t n_subfacets; |
04d08d54 | 3632 | int max_idle; |
abe529af | 3633 | |
8f73d537 EJ |
3634 | /* Periodically clear out the drop keys in an effort to keep them |
3635 | * relatively few. */ | |
3636 | drop_key_clear(backer); | |
3637 | ||
acf60855 JP |
3638 | /* Update stats for each flow in the backer. */ |
3639 | update_stats(backer); | |
abe529af | 3640 | |
04d08d54 EJ |
3641 | n_subfacets = hmap_count(&backer->subfacets); |
3642 | if (n_subfacets) { | |
9fc0165a | 3643 | struct subfacet *subfacet; |
04d08d54 | 3644 | long long int total, now; |
abe529af | 3645 | |
04d08d54 EJ |
3646 | total = 0; |
3647 | now = time_msec(); | |
3648 | HMAP_FOR_EACH (subfacet, hmap_node, &backer->subfacets) { | |
3649 | total += now - subfacet->created; | |
acf60855 | 3650 | } |
04d08d54 EJ |
3651 | backer->avg_subfacet_life += total / n_subfacets; |
3652 | } | |
3653 | backer->avg_subfacet_life /= 2; | |
0697b5c3 | 3654 | |
04d08d54 EJ |
3655 | backer->avg_n_subfacet += n_subfacets; |
3656 | backer->avg_n_subfacet /= 2; | |
3657 | ||
3658 | backer->max_n_subfacet = MAX(backer->max_n_subfacet, n_subfacets); | |
655ab909 | 3659 | |
04d08d54 EJ |
3660 | max_idle = subfacet_max_idle(backer); |
3661 | expire_subfacets(backer, max_idle); | |
acf60855 | 3662 | |
04d08d54 EJ |
3663 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { |
3664 | struct rule *rule, *next_rule; | |
3665 | ||
3666 | if (ofproto->backer != backer) { | |
3667 | continue; | |
3668 | } | |
acf60855 JP |
3669 | |
3670 | /* Expire OpenFlow flows whose idle_timeout or hard_timeout | |
3671 | * has passed. */ | |
83b16b98 | 3672 | ovs_mutex_lock(&ofproto->up.expirable_mutex); |
e503cc19 SH |
3673 | LIST_FOR_EACH_SAFE (rule, next_rule, expirable, |
3674 | &ofproto->up.expirable) { | |
3675 | rule_expire(rule_dpif_cast(rule)); | |
0697b5c3 | 3676 | } |
83b16b98 | 3677 | ovs_mutex_unlock(&ofproto->up.expirable_mutex); |
abe529af | 3678 | |
acf60855 JP |
3679 | /* All outstanding data in existing flows has been accounted, so it's a |
3680 | * good time to do bond rebalancing. */ | |
3681 | if (ofproto->has_bonded_bundles) { | |
3682 | struct ofbundle *bundle; | |
abe529af | 3683 | |
acf60855 JP |
3684 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { |
3685 | if (bundle->bond) { | |
4a1b8f30 | 3686 | bond_rebalance(bundle->bond); |
acf60855 | 3687 | } |
abe529af BP |
3688 | } |
3689 | } | |
3690 | } | |
3691 | ||
acf60855 | 3692 | return MIN(max_idle, 1000); |
abe529af BP |
3693 | } |
3694 | ||
a218c879 BP |
3695 | /* Updates flow table statistics given that the datapath just reported 'stats' |
3696 | * as 'subfacet''s statistics. */ | |
3697 | static void | |
3698 | update_subfacet_stats(struct subfacet *subfacet, | |
3699 | const struct dpif_flow_stats *stats) | |
3700 | { | |
3701 | struct facet *facet = subfacet->facet; | |
9dfb1f78 EJ |
3702 | struct dpif_flow_stats diff; |
3703 | ||
3704 | diff.tcp_flags = stats->tcp_flags; | |
3705 | diff.used = stats->used; | |
a218c879 BP |
3706 | |
3707 | if (stats->n_packets >= subfacet->dp_packet_count) { | |
9dfb1f78 | 3708 | diff.n_packets = stats->n_packets - subfacet->dp_packet_count; |
a218c879 BP |
3709 | } else { |
3710 | VLOG_WARN_RL(&rl, "unexpected packet count from the datapath"); | |
9dfb1f78 | 3711 | diff.n_packets = 0; |
a218c879 BP |
3712 | } |
3713 | ||
3714 | if (stats->n_bytes >= subfacet->dp_byte_count) { | |
9dfb1f78 | 3715 | diff.n_bytes = stats->n_bytes - subfacet->dp_byte_count; |
a218c879 BP |
3716 | } else { |
3717 | VLOG_WARN_RL(&rl, "unexpected byte count from datapath"); | |
9dfb1f78 | 3718 | diff.n_bytes = 0; |
a218c879 BP |
3719 | } |
3720 | ||
b7e2f6b3 | 3721 | facet->ofproto->n_hit += diff.n_packets; |
a218c879 BP |
3722 | subfacet->dp_packet_count = stats->n_packets; |
3723 | subfacet->dp_byte_count = stats->n_bytes; | |
9dfb1f78 | 3724 | subfacet_update_stats(subfacet, &diff); |
a218c879 | 3725 | |
a218c879 BP |
3726 | if (facet->accounted_bytes < facet->byte_count) { |
3727 | facet_learn(facet); | |
3728 | facet_account(facet); | |
3729 | facet->accounted_bytes = facet->byte_count; | |
3730 | } | |
a218c879 BP |
3731 | } |
3732 | ||
3733 | /* 'key' with length 'key_len' bytes is a flow in 'dpif' that we know nothing | |
3734 | * about, or a flow that shouldn't be installed but was anyway. Delete it. */ | |
3735 | static void | |
04d08d54 | 3736 | delete_unexpected_flow(struct dpif_backer *backer, |
a218c879 BP |
3737 | const struct nlattr *key, size_t key_len) |
3738 | { | |
3739 | if (!VLOG_DROP_WARN(&rl)) { | |
3740 | struct ds s; | |
3741 | ||
3742 | ds_init(&s); | |
3743 | odp_flow_key_format(key, key_len, &s); | |
04d08d54 | 3744 | VLOG_WARN("unexpected flow: %s", ds_cstr(&s)); |
a218c879 BP |
3745 | ds_destroy(&s); |
3746 | } | |
3747 | ||
3748 | COVERAGE_INC(facet_unexpected); | |
04d08d54 | 3749 | dpif_flow_del(backer->dpif, key, key_len, NULL); |
a218c879 BP |
3750 | } |
3751 | ||
abe529af BP |
3752 | /* Update 'packet_count', 'byte_count', and 'used' members of installed facets. |
3753 | * | |
3754 | * This function also pushes statistics updates to rules which each facet | |
3755 | * resubmits into. Generally these statistics will be accurate. However, if a | |
3756 | * facet changes the rule it resubmits into at some time in between | |
3757 | * update_stats() runs, it is possible that statistics accrued to the | |
3758 | * old rule will be incorrectly attributed to the new rule. This could be | |
3759 | * avoided by calling update_stats() whenever rules are created or | |
3760 | * deleted. However, the performance impact of making so many calls to the | |
3761 | * datapath do not justify the benefit of having perfectly accurate statistics. | |
735d7efb AZ |
3762 | * |
3763 | * In addition, this function maintains per ofproto flow hit counts. The patch | |
3764 | * port is not treated specially. e.g. A packet ingress from br0 patched into | |
3765 | * br1 will increase the hit count of br0 by 1, however, does not affect | |
3766 | * the hit or miss counts of br1. | |
abe529af BP |
3767 | */ |
3768 | static void | |
acf60855 | 3769 | update_stats(struct dpif_backer *backer) |
abe529af BP |
3770 | { |
3771 | const struct dpif_flow_stats *stats; | |
3772 | struct dpif_flow_dump dump; | |
61fb711d JP |
3773 | const struct nlattr *key, *mask; |
3774 | size_t key_len, mask_len; | |
abe529af | 3775 | |
acf60855 | 3776 | dpif_flow_dump_start(&dump, backer->dpif); |
e6cc0bab | 3777 | while (dpif_flow_dump_next(&dump, &key, &key_len, |
61fb711d | 3778 | &mask, &mask_len, NULL, NULL, &stats)) { |
b0f7b9b5 | 3779 | struct subfacet *subfacet; |
acf60855 | 3780 | uint32_t key_hash; |
abe529af | 3781 | |
acf60855 | 3782 | key_hash = odp_flow_key_hash(key, key_len); |
04d08d54 | 3783 | subfacet = subfacet_find(backer, key, key_len, key_hash); |
6a7e895f BP |
3784 | switch (subfacet ? subfacet->path : SF_NOT_INSTALLED) { |
3785 | case SF_FAST_PATH: | |
a218c879 | 3786 | update_subfacet_stats(subfacet, stats); |
6a7e895f BP |
3787 | break; |
3788 | ||
3789 | case SF_SLOW_PATH: | |
3790 | /* Stats are updated per-packet. */ | |
3791 | break; | |
3792 | ||
3793 | case SF_NOT_INSTALLED: | |
3794 | default: | |
04d08d54 | 3795 | delete_unexpected_flow(backer, key, key_len); |
6a7e895f | 3796 | break; |
abe529af | 3797 | } |
8fa4d1d0 | 3798 | run_fast_rl(); |
abe529af BP |
3799 | } |
3800 | dpif_flow_dump_done(&dump); | |
3af56aef | 3801 | |
dc54ef36 | 3802 | update_moving_averages(backer); |
abe529af BP |
3803 | } |
3804 | ||
3805 | /* Calculates and returns the number of milliseconds of idle time after which | |
b0f7b9b5 BP |
3806 | * subfacets should expire from the datapath. When a subfacet expires, we fold |
3807 | * its statistics into its facet, and when a facet's last subfacet expires, we | |
3808 | * fold its statistic into its rule. */ | |
abe529af | 3809 | static int |
04d08d54 | 3810 | subfacet_max_idle(const struct dpif_backer *backer) |
abe529af BP |
3811 | { |
3812 | /* | |
3813 | * Idle time histogram. | |
3814 | * | |
b0f7b9b5 BP |
3815 | * Most of the time a switch has a relatively small number of subfacets. |
3816 | * When this is the case we might as well keep statistics for all of them | |
3817 | * in userspace and to cache them in the kernel datapath for performance as | |
abe529af BP |
3818 | * well. |
3819 | * | |
b0f7b9b5 | 3820 | * As the number of subfacets increases, the memory required to maintain |
abe529af | 3821 | * statistics about them in userspace and in the kernel becomes |
b0f7b9b5 BP |
3822 | * significant. However, with a large number of subfacets it is likely |
3823 | * that only a few of them are "heavy hitters" that consume a large amount | |
3824 | * of bandwidth. At this point, only heavy hitters are worth caching in | |
3825 | * the kernel and maintaining in userspaces; other subfacets we can | |
3826 | * discard. | |
abe529af BP |
3827 | * |
3828 | * The technique used to compute the idle time is to build a histogram with | |
b0f7b9b5 | 3829 | * N_BUCKETS buckets whose width is BUCKET_WIDTH msecs each. Each subfacet |
abe529af BP |
3830 | * that is installed in the kernel gets dropped in the appropriate bucket. |
3831 | * After the histogram has been built, we compute the cutoff so that only | |
b0f7b9b5 | 3832 | * the most-recently-used 1% of subfacets (but at least |
380f49c4 | 3833 | * flow_eviction_threshold flows) are kept cached. At least |
b0f7b9b5 BP |
3834 | * the most-recently-used bucket of subfacets is kept, so actually an |
3835 | * arbitrary number of subfacets can be kept in any given expiration run | |
084f5290 SH |
3836 | * (though the next run will delete most of those unless they receive |
3837 | * additional data). | |
abe529af | 3838 | * |
b0f7b9b5 BP |
3839 | * This requires a second pass through the subfacets, in addition to the |
3840 | * pass made by update_stats(), because the former function never looks at | |
3841 | * uninstallable subfacets. | |
abe529af BP |
3842 | */ |
3843 | enum { BUCKET_WIDTH = ROUND_UP(100, TIME_UPDATE_INTERVAL) }; | |
3844 | enum { N_BUCKETS = 5000 / BUCKET_WIDTH }; | |
3845 | int buckets[N_BUCKETS] = { 0 }; | |
f11c1ef4 | 3846 | int total, subtotal, bucket; |
b0f7b9b5 | 3847 | struct subfacet *subfacet; |
abe529af BP |
3848 | long long int now; |
3849 | int i; | |
3850 | ||
04d08d54 | 3851 | total = hmap_count(&backer->subfacets); |
380f49c4 | 3852 | if (total <= flow_eviction_threshold) { |
abe529af BP |
3853 | return N_BUCKETS * BUCKET_WIDTH; |
3854 | } | |
3855 | ||
3856 | /* Build histogram. */ | |
3857 | now = time_msec(); | |
04d08d54 | 3858 | HMAP_FOR_EACH (subfacet, hmap_node, &backer->subfacets) { |
b0f7b9b5 | 3859 | long long int idle = now - subfacet->used; |
abe529af BP |
3860 | int bucket = (idle <= 0 ? 0 |
3861 | : idle >= BUCKET_WIDTH * N_BUCKETS ? N_BUCKETS - 1 | |
3862 | : (unsigned int) idle / BUCKET_WIDTH); | |
3863 | buckets[bucket]++; | |
3864 | } | |
3865 | ||
3866 | /* Find the first bucket whose flows should be expired. */ | |
f11c1ef4 SH |
3867 | subtotal = bucket = 0; |
3868 | do { | |
3869 | subtotal += buckets[bucket++]; | |
084f5290 | 3870 | } while (bucket < N_BUCKETS && |
380f49c4 | 3871 | subtotal < MAX(flow_eviction_threshold, total / 100)); |
abe529af BP |
3872 | |
3873 | if (VLOG_IS_DBG_ENABLED()) { | |
3874 | struct ds s; | |
3875 | ||
3876 | ds_init(&s); | |
3877 | ds_put_cstr(&s, "keep"); | |
3878 | for (i = 0; i < N_BUCKETS; i++) { | |
3879 | if (i == bucket) { | |
3880 | ds_put_cstr(&s, ", drop"); | |
3881 | } | |
3882 | if (buckets[i]) { | |
3883 | ds_put_format(&s, " %d:%d", i * BUCKET_WIDTH, buckets[i]); | |
3884 | } | |
3885 | } | |
04d08d54 | 3886 | VLOG_INFO("%s (msec:count)", ds_cstr(&s)); |
abe529af BP |
3887 | ds_destroy(&s); |
3888 | } | |
3889 | ||
3890 | return bucket * BUCKET_WIDTH; | |
3891 | } | |
3892 | ||
abe529af | 3893 | static void |
04d08d54 | 3894 | expire_subfacets(struct dpif_backer *backer, int dp_max_idle) |
abe529af | 3895 | { |
625b0720 BP |
3896 | /* Cutoff time for most flows. */ |
3897 | long long int normal_cutoff = time_msec() - dp_max_idle; | |
3898 | ||
3899 | /* We really want to keep flows for special protocols around, so use a more | |
3900 | * conservative cutoff. */ | |
3901 | long long int special_cutoff = time_msec() - 10000; | |
b99d3cee | 3902 | |
b0f7b9b5 | 3903 | struct subfacet *subfacet, *next_subfacet; |
1d85f9e5 | 3904 | struct subfacet *batch[SUBFACET_DESTROY_MAX_BATCH]; |
b99d3cee | 3905 | int n_batch; |
abe529af | 3906 | |
b99d3cee | 3907 | n_batch = 0; |
b0f7b9b5 | 3908 | HMAP_FOR_EACH_SAFE (subfacet, next_subfacet, hmap_node, |
04d08d54 | 3909 | &backer->subfacets) { |
625b0720 BP |
3910 | long long int cutoff; |
3911 | ||
bbafd73b EJ |
3912 | cutoff = (subfacet->facet->xout.slow & (SLOW_CFM | SLOW_BFD | SLOW_LACP |
3913 | | SLOW_STP) | |
625b0720 BP |
3914 | ? special_cutoff |
3915 | : normal_cutoff); | |
b0f7b9b5 | 3916 | if (subfacet->used < cutoff) { |
6a7e895f | 3917 | if (subfacet->path != SF_NOT_INSTALLED) { |
b99d3cee | 3918 | batch[n_batch++] = subfacet; |
1d85f9e5 | 3919 | if (n_batch >= SUBFACET_DESTROY_MAX_BATCH) { |
04d08d54 | 3920 | subfacet_destroy_batch(backer, batch, n_batch); |
b99d3cee BP |
3921 | n_batch = 0; |
3922 | } | |
3923 | } else { | |
3924 | subfacet_destroy(subfacet); | |
3925 | } | |
abe529af BP |
3926 | } |
3927 | } | |
b99d3cee BP |
3928 | |
3929 | if (n_batch > 0) { | |
04d08d54 | 3930 | subfacet_destroy_batch(backer, batch, n_batch); |
b99d3cee | 3931 | } |
abe529af BP |
3932 | } |
3933 | ||
3934 | /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules, | |
3935 | * then delete it entirely. */ | |
3936 | static void | |
3937 | rule_expire(struct rule_dpif *rule) | |
3938 | { | |
a3779dbc | 3939 | uint16_t idle_timeout, hard_timeout; |
abe529af BP |
3940 | long long int now; |
3941 | uint8_t reason; | |
3942 | ||
e2a3d183 BP |
3943 | if (rule->up.pending) { |
3944 | /* We'll have to expire it later. */ | |
3945 | return; | |
3946 | } | |
3947 | ||
a3779dbc EJ |
3948 | ovs_mutex_lock(&rule->up.timeout_mutex); |
3949 | hard_timeout = rule->up.hard_timeout; | |
3950 | idle_timeout = rule->up.idle_timeout; | |
3951 | ovs_mutex_unlock(&rule->up.timeout_mutex); | |
3952 | ||
abe529af BP |
3953 | /* Has 'rule' expired? */ |
3954 | now = time_msec(); | |
a3779dbc | 3955 | if (hard_timeout && now > rule->up.modified + hard_timeout * 1000) { |
abe529af | 3956 | reason = OFPRR_HARD_TIMEOUT; |
a3779dbc | 3957 | } else if (idle_timeout && now > rule->up.used + idle_timeout * 1000) { |
abe529af BP |
3958 | reason = OFPRR_IDLE_TIMEOUT; |
3959 | } else { | |
3960 | return; | |
3961 | } | |
3962 | ||
ad3efdcb EJ |
3963 | if (!ovs_rwlock_trywrlock(&rule->up.evict)) { |
3964 | COVERAGE_INC(ofproto_dpif_expired); | |
abe529af | 3965 | |
ad3efdcb EJ |
3966 | /* Get rid of the rule. */ |
3967 | ofproto_rule_expire(&rule->up, reason); | |
3968 | } | |
abe529af BP |
3969 | } |
3970 | \f | |
3971 | /* Facets. */ | |
3972 | ||
4dff9097 | 3973 | /* Creates and returns a new facet based on 'miss'. |
abe529af BP |
3974 | * |
3975 | * The caller must already have determined that no facet with an identical | |
4dff9097 | 3976 | * 'miss->flow' exists in 'miss->ofproto'. |
f3827897 | 3977 | * |
bcd2633a JP |
3978 | * 'rule' and 'xout' must have been created based on 'miss'. |
3979 | * | |
3980 | * 'facet'' statistics are initialized based on 'stats'. | |
2b459b83 | 3981 | * |
b0f7b9b5 BP |
3982 | * The facet will initially have no subfacets. The caller should create (at |
3983 | * least) one subfacet with subfacet_create(). */ | |
abe529af | 3984 | static struct facet * |
e1ec7dd4 | 3985 | facet_create(const struct flow_miss *miss) |
abe529af | 3986 | { |
4dff9097 | 3987 | struct ofproto_dpif *ofproto = miss->ofproto; |
abe529af | 3988 | struct facet *facet; |
bcd2633a | 3989 | struct match match; |
abe529af BP |
3990 | |
3991 | facet = xzalloc(sizeof *facet); | |
b7e2f6b3 | 3992 | facet->ofproto = miss->ofproto; |
e1ec7dd4 | 3993 | facet->used = miss->stats.used; |
4dff9097 | 3994 | facet->flow = miss->flow; |
4dff9097 EJ |
3995 | facet->learn_rl = time_msec() + 500; |
3996 | ||
b0f7b9b5 | 3997 | list_init(&facet->subfacets); |
abe529af BP |
3998 | netflow_flow_init(&facet->nf_flow); |
3999 | netflow_flow_update_time(ofproto->netflow, &facet->nf_flow, facet->used); | |
4000 | ||
e1ec7dd4 | 4001 | xlate_out_copy(&facet->xout, &miss->xout); |
bcd2633a JP |
4002 | |
4003 | match_init(&match, &facet->flow, &facet->xout.wc); | |
4004 | cls_rule_init(&facet->cr, &match, OFP_DEFAULT_PRIORITY); | |
0b4f2078 | 4005 | ovs_rwlock_wrlock(&ofproto->facets.rwlock); |
bcd2633a | 4006 | classifier_insert(&ofproto->facets, &facet->cr); |
0b4f2078 | 4007 | ovs_rwlock_unlock(&ofproto->facets.rwlock); |
bcd2633a | 4008 | |
bbafd73b | 4009 | facet->nf_flow.output_iface = facet->xout.nf_output_iface; |
abe529af BP |
4010 | return facet; |
4011 | } | |
4012 | ||
4013 | static void | |
4014 | facet_free(struct facet *facet) | |
4015 | { | |
4dff9097 | 4016 | if (facet) { |
bbafd73b | 4017 | xlate_out_uninit(&facet->xout); |
4dff9097 EJ |
4018 | free(facet); |
4019 | } | |
abe529af BP |
4020 | } |
4021 | ||
3d9e05f8 | 4022 | /* Executes, within 'ofproto', the 'n_actions' actions in 'actions' on |
0a740f48 | 4023 | * 'packet', which arrived on 'in_port'. */ |
3d9e05f8 BP |
4024 | static bool |
4025 | execute_odp_actions(struct ofproto_dpif *ofproto, const struct flow *flow, | |
4026 | const struct nlattr *odp_actions, size_t actions_len, | |
4027 | struct ofpbuf *packet) | |
4028 | { | |
4029 | struct odputil_keybuf keybuf; | |
4030 | struct ofpbuf key; | |
4031 | int error; | |
4032 | ||
6ff686f2 | 4033 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); |
e1b1d06a | 4034 | odp_flow_key_from_flow(&key, flow, |
4e022ec0 | 4035 | ofp_port_to_odp_port(ofproto, flow->in_port.ofp_port)); |
80e5eed9 | 4036 | |
acf60855 | 4037 | error = dpif_execute(ofproto->backer->dpif, key.data, key.size, |
6ff686f2 | 4038 | odp_actions, actions_len, packet); |
6ff686f2 | 4039 | return !error; |
abe529af BP |
4040 | } |
4041 | ||
bcd2633a | 4042 | /* Remove 'facet' from its ofproto and free up the associated memory: |
abe529af BP |
4043 | * |
4044 | * - If 'facet' was installed in the datapath, uninstalls it and updates its | |
b0f7b9b5 | 4045 | * rule's statistics, via subfacet_uninstall(). |
abe529af BP |
4046 | * |
4047 | * - Removes 'facet' from its rule and from ofproto->facets. | |
4048 | */ | |
4049 | static void | |
15baa734 | 4050 | facet_remove(struct facet *facet) |
abe529af | 4051 | { |
b0f7b9b5 BP |
4052 | struct subfacet *subfacet, *next_subfacet; |
4053 | ||
cb22974d | 4054 | ovs_assert(!list_is_empty(&facet->subfacets)); |
551a2f6c BP |
4055 | |
4056 | /* First uninstall all of the subfacets to get final statistics. */ | |
4057 | LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) { | |
15baa734 | 4058 | subfacet_uninstall(subfacet); |
551a2f6c BP |
4059 | } |
4060 | ||
4061 | /* Flush the final stats to the rule. | |
4062 | * | |
4063 | * This might require us to have at least one subfacet around so that we | |
4064 | * can use its actions for accounting in facet_account(), which is why we | |
4065 | * have uninstalled but not yet destroyed the subfacets. */ | |
15baa734 | 4066 | facet_flush_stats(facet); |
551a2f6c BP |
4067 | |
4068 | /* Now we're really all done so destroy everything. */ | |
b0f7b9b5 BP |
4069 | LIST_FOR_EACH_SAFE (subfacet, next_subfacet, list_node, |
4070 | &facet->subfacets) { | |
15baa734 | 4071 | subfacet_destroy__(subfacet); |
b0f7b9b5 | 4072 | } |
0b4f2078 | 4073 | ovs_rwlock_wrlock(&facet->ofproto->facets.rwlock); |
b7e2f6b3 | 4074 | classifier_remove(&facet->ofproto->facets, &facet->cr); |
0b4f2078 | 4075 | ovs_rwlock_unlock(&facet->ofproto->facets.rwlock); |
bcd2633a | 4076 | cls_rule_destroy(&facet->cr); |
abe529af BP |
4077 | facet_free(facet); |
4078 | } | |
4079 | ||
3de9590b BP |
4080 | /* Feed information from 'facet' back into the learning table to keep it in |
4081 | * sync with what is actually flowing through the datapath. */ | |
abe529af | 4082 | static void |
3de9590b | 4083 | facet_learn(struct facet *facet) |
abe529af | 4084 | { |
62bd7349 | 4085 | long long int now = time_msec(); |
abe529af | 4086 | |
bbafd73b | 4087 | if (!facet->xout.has_fin_timeout && now < facet->learn_rl) { |
6cf474d7 EJ |
4088 | return; |
4089 | } | |
4090 | ||
62bd7349 | 4091 | facet->learn_rl = now + 500; |
6cf474d7 | 4092 | |
bbafd73b EJ |
4093 | if (!facet->xout.has_learn |
4094 | && !facet->xout.has_normal | |
4095 | && (!facet->xout.has_fin_timeout | |
3de9590b | 4096 | || !(facet->tcp_flags & (TCP_FIN | TCP_RST)))) { |
abe529af BP |
4097 | return; |
4098 | } | |
abe529af | 4099 | |
9dfb1f78 | 4100 | facet_push_stats(facet, true); |
3de9590b BP |
4101 | } |
4102 | ||
4103 | static void | |
4104 | facet_account(struct facet *facet) | |
4105 | { | |
3de9590b BP |
4106 | const struct nlattr *a; |
4107 | unsigned int left; | |
4108 | ovs_be16 vlan_tci; | |
4109 | uint64_t n_bytes; | |
abe529af | 4110 | |
b7e2f6b3 | 4111 | if (!facet->xout.has_normal || !facet->ofproto->has_bonded_bundles) { |
abe529af BP |
4112 | return; |
4113 | } | |
3de9590b | 4114 | n_bytes = facet->byte_count - facet->accounted_bytes; |
d78be13b BP |
4115 | |
4116 | /* This loop feeds byte counters to bond_account() for rebalancing to use | |
4117 | * as a basis. We also need to track the actual VLAN on which the packet | |
4118 | * is going to be sent to ensure that it matches the one passed to | |
4119 | * bond_choose_output_slave(). (Otherwise, we will account to the wrong | |
b95fc6ba BP |
4120 | * hash bucket.) |
4121 | * | |
4122 | * We use the actions from an arbitrary subfacet because they should all | |
4123 | * be equally valid for our purpose. */ | |
d78be13b | 4124 | vlan_tci = facet->flow.vlan_tci; |
bbafd73b EJ |
4125 | NL_ATTR_FOR_EACH_UNSAFE (a, left, facet->xout.odp_actions.data, |
4126 | facet->xout.odp_actions.size) { | |
fea393b1 | 4127 | const struct ovs_action_push_vlan *vlan; |
d78be13b | 4128 | struct ofport_dpif *port; |
abe529af | 4129 | |
d78be13b | 4130 | switch (nl_attr_type(a)) { |
df2c07f4 | 4131 | case OVS_ACTION_ATTR_OUTPUT: |
b7e2f6b3 | 4132 | port = get_odp_port(facet->ofproto, nl_attr_get_odp_port(a)); |
abe529af | 4133 | if (port && port->bundle && port->bundle->bond) { |
d78be13b | 4134 | bond_account(port->bundle->bond, &facet->flow, |
dc155bff | 4135 | vlan_tci_to_vid(vlan_tci), n_bytes); |
abe529af | 4136 | } |
d78be13b BP |
4137 | break; |
4138 | ||
fea393b1 BP |
4139 | case OVS_ACTION_ATTR_POP_VLAN: |
4140 | vlan_tci = htons(0); | |
d78be13b BP |
4141 | break; |
4142 | ||
fea393b1 BP |
4143 | case OVS_ACTION_ATTR_PUSH_VLAN: |
4144 | vlan = nl_attr_get(a); | |
4145 | vlan_tci = vlan->vlan_tci; | |
d78be13b | 4146 | break; |
abe529af BP |
4147 | } |
4148 | } | |
4149 | } | |
4150 | ||
abe529af BP |
4151 | /* Returns true if the only action for 'facet' is to send to the controller. |
4152 | * (We don't report NetFlow expiration messages for such facets because they | |
4153 | * are just part of the control logic for the network, not real traffic). */ | |
4154 | static bool | |
4155 | facet_is_controller_flow(struct facet *facet) | |
4156 | { | |
f25d0cf3 | 4157 | if (facet) { |
b7e2f6b3 | 4158 | struct ofproto_dpif *ofproto = facet->ofproto; |
ad3efdcb EJ |
4159 | const struct ofpact *ofpacts; |
4160 | struct rule_dpif *rule; | |
4161 | size_t ofpacts_len; | |
4162 | bool is_controller; | |
4163 | ||
4164 | rule_dpif_lookup(ofproto, &facet->flow, NULL, &rule); | |
4165 | ofpacts_len = rule->up.ofpacts_len; | |
4166 | ofpacts = rule->up.ofpacts; | |
4167 | is_controller = ofpacts_len > 0 | |
4168 | && ofpacts->type == OFPACT_CONTROLLER | |
4169 | && ofpact_next(ofpacts) >= ofpact_end(ofpacts, ofpacts_len); | |
4170 | rule_release(rule); | |
4171 | return is_controller; | |
f25d0cf3 BP |
4172 | } |
4173 | return false; | |
abe529af BP |
4174 | } |
4175 | ||
4176 | /* Folds all of 'facet''s statistics into its rule. Also updates the | |
4177 | * accounting ofhook and emits a NetFlow expiration if appropriate. All of | |
4178 | * 'facet''s statistics in the datapath should have been zeroed and folded into | |
4179 | * its packet and byte counts before this function is called. */ | |
4180 | static void | |
15baa734 | 4181 | facet_flush_stats(struct facet *facet) |
abe529af | 4182 | { |
b7e2f6b3 | 4183 | struct ofproto_dpif *ofproto = facet->ofproto; |
b0f7b9b5 BP |
4184 | struct subfacet *subfacet; |
4185 | ||
4186 | LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) { | |
cb22974d BP |
4187 | ovs_assert(!subfacet->dp_byte_count); |
4188 | ovs_assert(!subfacet->dp_packet_count); | |
b0f7b9b5 | 4189 | } |
abe529af | 4190 | |
9dfb1f78 | 4191 | facet_push_stats(facet, false); |
3de9590b BP |
4192 | if (facet->accounted_bytes < facet->byte_count) { |
4193 | facet_account(facet); | |
4194 | facet->accounted_bytes = facet->byte_count; | |
4195 | } | |
abe529af BP |
4196 | |
4197 | if (ofproto->netflow && !facet_is_controller_flow(facet)) { | |
4198 | struct ofexpired expired; | |
4199 | expired.flow = facet->flow; | |
4200 | expired.packet_count = facet->packet_count; | |
4201 | expired.byte_count = facet->byte_count; | |
4202 | expired.used = facet->used; | |
4203 | netflow_expire(ofproto->netflow, &facet->nf_flow, &expired); | |
4204 | } | |
4205 | ||
abe529af BP |
4206 | /* Reset counters to prevent double counting if 'facet' ever gets |
4207 | * reinstalled. */ | |
bbb5d219 | 4208 | facet_reset_counters(facet); |
abe529af BP |
4209 | |
4210 | netflow_flow_clear(&facet->nf_flow); | |
0e553d9c | 4211 | facet->tcp_flags = 0; |
abe529af BP |
4212 | } |
4213 | ||
bcd2633a JP |
4214 | /* Searches 'ofproto''s table of facets for one which would be responsible for |
4215 | * 'flow'. Returns it if found, otherwise a null pointer. | |
2b459b83 | 4216 | * |
abe529af BP |
4217 | * The returned facet might need revalidation; use facet_lookup_valid() |
4218 | * instead if that is important. */ | |
4219 | static struct facet * | |
bcd2633a | 4220 | facet_find(struct ofproto_dpif *ofproto, const struct flow *flow) |
abe529af | 4221 | { |
0b4f2078 EJ |
4222 | struct cls_rule *cr; |
4223 | ||
4224 | ovs_rwlock_rdlock(&ofproto->facets.rwlock); | |
4225 | cr = classifier_lookup(&ofproto->facets, flow, NULL); | |
4226 | ovs_rwlock_unlock(&ofproto->facets.rwlock); | |
bcd2633a | 4227 | return cr ? CONTAINER_OF(cr, struct facet, cr) : NULL; |
abe529af BP |
4228 | } |
4229 | ||
bcd2633a JP |
4230 | /* Searches 'ofproto''s table of facets for one capable that covers |
4231 | * 'flow'. Returns it if found, otherwise a null pointer. | |
2b459b83 | 4232 | * |
abe529af BP |
4233 | * The returned facet is guaranteed to be valid. */ |
4234 | static struct facet * | |
bcd2633a | 4235 | facet_lookup_valid(struct ofproto_dpif *ofproto, const struct flow *flow) |
abe529af | 4236 | { |
c57b2226 | 4237 | struct facet *facet; |
abe529af | 4238 | |
bcd2633a | 4239 | facet = facet_find(ofproto, flow); |
abe529af | 4240 | if (facet |
a1616063 | 4241 | && ofproto->backer->need_revalidate |
5bf64ade | 4242 | && !facet_revalidate(facet)) { |
0305ce1f | 4243 | return NULL; |
abe529af BP |
4244 | } |
4245 | ||
4246 | return facet; | |
4247 | } | |
4248 | ||
6814e51f BP |
4249 | static bool |
4250 | facet_check_consistency(struct facet *facet) | |
4251 | { | |
4252 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 15); | |
4253 | ||
bbafd73b EJ |
4254 | struct xlate_out xout; |
4255 | struct xlate_in xin; | |
050ac423 | 4256 | |
6814e51f | 4257 | struct rule_dpif *rule; |
e1ec7dd4 | 4258 | bool ok; |
6814e51f BP |
4259 | |
4260 | /* Check the datapath actions for consistency. */ | |
ad3efdcb | 4261 | rule_dpif_lookup(facet->ofproto, &facet->flow, NULL, &rule); |
b7e2f6b3 | 4262 | xlate_in_init(&xin, facet->ofproto, &facet->flow, rule, 0, NULL); |
bbafd73b | 4263 | xlate_actions(&xin, &xout); |
ad3efdcb | 4264 | rule_release(rule); |
6814e51f | 4265 | |
bbafd73b | 4266 | ok = ofpbuf_equal(&facet->xout.odp_actions, &xout.odp_actions) |
e1ec7dd4 | 4267 | && facet->xout.slow == xout.slow; |
4dff9097 EJ |
4268 | if (!ok && !VLOG_DROP_WARN(&rl)) { |
4269 | struct ds s = DS_EMPTY_INITIALIZER; | |
c53e1132 | 4270 | |
4dff9097 EJ |
4271 | flow_format(&s, &facet->flow); |
4272 | ds_put_cstr(&s, ": inconsistency in facet"); | |
c53e1132 | 4273 | |
bbafd73b | 4274 | if (!ofpbuf_equal(&facet->xout.odp_actions, &xout.odp_actions)) { |
9616614b | 4275 | ds_put_cstr(&s, " (actions were: "); |
bbafd73b EJ |
4276 | format_odp_actions(&s, facet->xout.odp_actions.data, |
4277 | facet->xout.odp_actions.size); | |
9616614b | 4278 | ds_put_cstr(&s, ") (correct actions: "); |
bbafd73b EJ |
4279 | format_odp_actions(&s, xout.odp_actions.data, |
4280 | xout.odp_actions.size); | |
c0a71f4e | 4281 | ds_put_char(&s, ')'); |
6814e51f | 4282 | } |
4dff9097 | 4283 | |
bbafd73b EJ |
4284 | if (facet->xout.slow != xout.slow) { |
4285 | ds_put_format(&s, " slow path incorrect. should be %d", xout.slow); | |
4dff9097 EJ |
4286 | } |
4287 | ||
9616614b | 4288 | ds_destroy(&s); |
6814e51f | 4289 | } |
bbafd73b | 4290 | xlate_out_uninit(&xout); |
6814e51f BP |
4291 | |
4292 | return ok; | |
4293 | } | |
4294 | ||
15baa734 | 4295 | /* Re-searches the classifier for 'facet': |
abe529af BP |
4296 | * |
4297 | * - If the rule found is different from 'facet''s current rule, moves | |
4298 | * 'facet' to the new rule and recompiles its actions. | |
4299 | * | |
4300 | * - If the rule found is the same as 'facet''s current rule, leaves 'facet' | |
f231418e EJ |
4301 | * where it is and recompiles its actions anyway. |
4302 | * | |
4303 | * - If any of 'facet''s subfacets correspond to a new flow according to | |
8449c4d6 | 4304 | * xlate_receive(), 'facet' is removed. |
5bf64ade EJ |
4305 | * |
4306 | * Returns true if 'facet' is still valid. False if 'facet' was removed. */ | |
4307 | static bool | |
15baa734 | 4308 | facet_revalidate(struct facet *facet) |
abe529af | 4309 | { |
b7e2f6b3 | 4310 | struct ofproto_dpif *ofproto = facet->ofproto; |
abe529af | 4311 | struct rule_dpif *new_rule; |
b0f7b9b5 | 4312 | struct subfacet *subfacet; |
bcd2633a | 4313 | struct flow_wildcards wc; |
bbafd73b EJ |
4314 | struct xlate_out xout; |
4315 | struct xlate_in xin; | |
abe529af BP |
4316 | |
4317 | COVERAGE_INC(facet_revalidate); | |
4318 | ||
f231418e EJ |
4319 | /* Check that child subfacets still correspond to this facet. Tunnel |
4320 | * configuration changes could cause a subfacet's OpenFlow in_port to | |
4321 | * change. */ | |
4322 | LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) { | |
4323 | struct ofproto_dpif *recv_ofproto; | |
4324 | struct flow recv_flow; | |
4325 | int error; | |
4326 | ||
8449c4d6 EJ |
4327 | error = xlate_receive(ofproto->backer, NULL, subfacet->key, |
4328 | subfacet->key_len, &recv_flow, NULL, | |
4329 | &recv_ofproto, NULL); | |
f231418e EJ |
4330 | if (error |
4331 | || recv_ofproto != ofproto | |
bcd2633a | 4332 | || facet != facet_find(ofproto, &recv_flow)) { |
f231418e | 4333 | facet_remove(facet); |
5bf64ade | 4334 | return false; |
f231418e EJ |
4335 | } |
4336 | } | |
4337 | ||
bcd2633a | 4338 | flow_wildcards_init_catchall(&wc); |
ad3efdcb | 4339 | rule_dpif_lookup(ofproto, &facet->flow, &wc, &new_rule); |
abe529af | 4340 | |
df2c07f4 | 4341 | /* Calculate new datapath actions. |
abe529af BP |
4342 | * |
4343 | * We do not modify any 'facet' state yet, because we might need to, e.g., | |
4344 | * emit a NetFlow expiration and, if so, we need to have the old state | |
4345 | * around to properly compose it. */ | |
47b0deae | 4346 | xlate_in_init(&xin, ofproto, &facet->flow, new_rule, 0, NULL); |
bbafd73b | 4347 | xlate_actions(&xin, &xout); |
bcd2633a | 4348 | flow_wildcards_or(&xout.wc, &xout.wc, &wc); |
4dff9097 EJ |
4349 | |
4350 | /* A facet's slow path reason should only change under dramatic | |
4351 | * circumstances. Rather than try to update everything, it's simpler to | |
bcd2633a JP |
4352 | * remove the facet and start over. |
4353 | * | |
4354 | * More importantly, if a facet's wildcards change, it will be relatively | |
4355 | * difficult to figure out if its subfacets still belong to it, and if not | |
4356 | * which facet they may belong to. Again, to avoid the complexity, we | |
4357 | * simply give up instead. */ | |
4358 | if (facet->xout.slow != xout.slow | |
4359 | || memcmp(&facet->xout.wc, &xout.wc, sizeof xout.wc)) { | |
4dff9097 | 4360 | facet_remove(facet); |
bbafd73b | 4361 | xlate_out_uninit(&xout); |
ad3efdcb | 4362 | rule_release(new_rule); |
4dff9097 EJ |
4363 | return false; |
4364 | } | |
6a7e895f | 4365 | |
bbafd73b | 4366 | if (!ofpbuf_equal(&facet->xout.odp_actions, &xout.odp_actions)) { |
4dff9097 EJ |
4367 | LIST_FOR_EACH(subfacet, list_node, &facet->subfacets) { |
4368 | if (subfacet->path == SF_FAST_PATH) { | |
4369 | struct dpif_flow_stats stats; | |
b95fc6ba | 4370 | |
bbafd73b | 4371 | subfacet_install(subfacet, &xout.odp_actions, &stats); |
4dff9097 | 4372 | subfacet_update_stats(subfacet, &stats); |
b95fc6ba | 4373 | } |
abe529af | 4374 | } |
b95fc6ba | 4375 | |
15baa734 | 4376 | facet_flush_stats(facet); |
4dff9097 | 4377 | |
bbafd73b EJ |
4378 | ofpbuf_clear(&facet->xout.odp_actions); |
4379 | ofpbuf_put(&facet->xout.odp_actions, xout.odp_actions.data, | |
4380 | xout.odp_actions.size); | |
abe529af BP |
4381 | } |
4382 | ||
4383 | /* Update 'facet' now that we've taken care of all the old state. */ | |
bbafd73b EJ |
4384 | facet->xout.slow = xout.slow; |
4385 | facet->xout.has_learn = xout.has_learn; | |
4386 | facet->xout.has_normal = xout.has_normal; | |
4387 | facet->xout.has_fin_timeout = xout.has_fin_timeout; | |
4388 | facet->xout.nf_output_iface = xout.nf_output_iface; | |
4389 | facet->xout.mirrors = xout.mirrors; | |
4390 | facet->nf_flow.output_iface = facet->xout.nf_output_iface; | |
b7e2f6b3 | 4391 | facet->used = MAX(facet->used, new_rule->up.created); |
5bf64ade | 4392 | |
bbafd73b | 4393 | xlate_out_uninit(&xout); |
ad3efdcb | 4394 | rule_release(new_rule); |
5bf64ade | 4395 | return true; |
abe529af BP |
4396 | } |
4397 | ||
bbb5d219 EJ |
4398 | static void |
4399 | facet_reset_counters(struct facet *facet) | |
4400 | { | |
4401 | facet->packet_count = 0; | |
4402 | facet->byte_count = 0; | |
9d24de3b JP |
4403 | facet->prev_packet_count = 0; |
4404 | facet->prev_byte_count = 0; | |
bbb5d219 EJ |
4405 | facet->accounted_bytes = 0; |
4406 | } | |
4407 | ||
e1ec7dd4 EJ |
4408 | static void |
4409 | flow_push_stats(struct ofproto_dpif *ofproto, struct flow *flow, | |
4410 | struct dpif_flow_stats *stats, bool may_learn) | |
4411 | { | |
4412 | struct ofport_dpif *in_port; | |
4413 | struct rule_dpif *rule; | |
4414 | struct xlate_in xin; | |
4415 | ||
4416 | in_port = get_ofp_port(ofproto, flow->in_port.ofp_port); | |
4417 | if (in_port && in_port->is_tunnel) { | |
4418 | netdev_vport_inc_rx(in_port->up.netdev, stats); | |
4419 | } | |
4420 | ||
4421 | rule_dpif_lookup(ofproto, flow, NULL, &rule); | |
4422 | rule_credit_stats(rule, stats); | |
4423 | xlate_in_init(&xin, ofproto, flow, rule, stats->tcp_flags, NULL); | |
4424 | xin.resubmit_stats = stats; | |
4425 | xin.may_learn = may_learn; | |
4426 | xlate_actions_for_side_effects(&xin); | |
4427 | rule_release(rule); | |
4428 | } | |
4429 | ||
abe529af | 4430 | static void |
9dfb1f78 | 4431 | facet_push_stats(struct facet *facet, bool may_learn) |
abe529af | 4432 | { |
112bc5f4 | 4433 | struct dpif_flow_stats stats; |
abe529af | 4434 | |
cb22974d BP |
4435 | ovs_assert(facet->packet_count >= facet->prev_packet_count); |
4436 | ovs_assert(facet->byte_count >= facet->prev_byte_count); | |
4437 | ovs_assert(facet->used >= facet->prev_used); | |
abe529af | 4438 | |
112bc5f4 BP |
4439 | stats.n_packets = facet->packet_count - facet->prev_packet_count; |
4440 | stats.n_bytes = facet->byte_count - facet->prev_byte_count; | |
4441 | stats.used = facet->used; | |
9dfb1f78 EJ |
4442 | stats.tcp_flags = facet->tcp_flags; |
4443 | ||
4444 | if (may_learn || stats.n_packets || facet->used > facet->prev_used) { | |
9d24de3b JP |
4445 | facet->prev_packet_count = facet->packet_count; |
4446 | facet->prev_byte_count = facet->byte_count; | |
4447 | facet->prev_used = facet->used; | |
abe529af | 4448 | |
e1ec7dd4 | 4449 | netflow_flow_update_time(facet->ofproto->netflow, &facet->nf_flow, |
9dfb1f78 EJ |
4450 | facet->used); |
4451 | netflow_flow_update_flags(&facet->nf_flow, facet->tcp_flags); | |
e1ec7dd4 | 4452 | mirror_update_stats(facet->ofproto->mbridge, facet->xout.mirrors, |
ec7ceaed | 4453 | stats.n_packets, stats.n_bytes); |
e1ec7dd4 | 4454 | flow_push_stats(facet->ofproto, &facet->flow, &stats, may_learn); |
abe529af BP |
4455 | } |
4456 | } | |
4457 | ||
8844e035 | 4458 | static void |
4464589e | 4459 | push_all_stats__(bool run_fast) |
8844e035 EJ |
4460 | { |
4461 | static long long int rl = LLONG_MIN; | |
4462 | struct ofproto_dpif *ofproto; | |
4463 | ||
4464 | if (time_msec() < rl) { | |
4465 | return; | |
4466 | } | |
4467 | ||
4468 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
bcd2633a | 4469 | struct cls_cursor cursor; |
8844e035 EJ |
4470 | struct facet *facet; |
4471 | ||
0b4f2078 | 4472 | ovs_rwlock_rdlock(&ofproto->facets.rwlock); |
bcd2633a JP |
4473 | cls_cursor_init(&cursor, &ofproto->facets, NULL); |
4474 | CLS_CURSOR_FOR_EACH (facet, cr, &cursor) { | |
9dfb1f78 | 4475 | facet_push_stats(facet, false); |
4464589e EJ |
4476 | if (run_fast) { |
4477 | run_fast_rl(); | |
4478 | } | |
8844e035 | 4479 | } |
0b4f2078 | 4480 | ovs_rwlock_unlock(&ofproto->facets.rwlock); |
8844e035 EJ |
4481 | } |
4482 | ||
4483 | rl = time_msec() + 100; | |
4484 | } | |
4485 | ||
4464589e EJ |
4486 | static void |
4487 | push_all_stats(void) | |
4488 | { | |
4489 | push_all_stats__(true); | |
4490 | } | |
4491 | ||
9583bc14 | 4492 | void |
112bc5f4 | 4493 | rule_credit_stats(struct rule_dpif *rule, const struct dpif_flow_stats *stats) |
abe529af | 4494 | { |
9fbe253e | 4495 | ovs_mutex_lock(&rule->stats_mutex); |
112bc5f4 BP |
4496 | rule->packet_count += stats->n_packets; |
4497 | rule->byte_count += stats->n_bytes; | |
4498 | ofproto_rule_update_used(&rule->up, stats->used); | |
9fbe253e | 4499 | ovs_mutex_unlock(&rule->stats_mutex); |
abe529af | 4500 | } |
abe529af | 4501 | \f |
b0f7b9b5 BP |
4502 | /* Subfacets. */ |
4503 | ||
4504 | static struct subfacet * | |
04d08d54 EJ |
4505 | subfacet_find(struct dpif_backer *backer, const struct nlattr *key, |
4506 | size_t key_len, uint32_t key_hash) | |
b0f7b9b5 BP |
4507 | { |
4508 | struct subfacet *subfacet; | |
4509 | ||
4510 | HMAP_FOR_EACH_WITH_HASH (subfacet, hmap_node, key_hash, | |
04d08d54 | 4511 | &backer->subfacets) { |
9566abf9 EJ |
4512 | if (subfacet->key_len == key_len |
4513 | && !memcmp(key, subfacet->key, key_len)) { | |
b0f7b9b5 BP |
4514 | return subfacet; |
4515 | } | |
4516 | } | |
4517 | ||
4518 | return NULL; | |
4519 | } | |
4520 | ||
4521 | /* Searches 'facet' (within 'ofproto') for a subfacet with the specified | |
a088a1ff JP |
4522 | * 'key_fitness', 'key', and 'key_len' members in 'miss'. Returns the |
4523 | * existing subfacet if there is one, otherwise creates and returns a | |
4dff9097 | 4524 | * new subfacet. */ |
b0f7b9b5 | 4525 | static struct subfacet * |
e1ec7dd4 | 4526 | subfacet_create(struct facet *facet, struct flow_miss *miss) |
b0f7b9b5 | 4527 | { |
04d08d54 | 4528 | struct dpif_backer *backer = miss->ofproto->backer; |
a088a1ff JP |
4529 | enum odp_key_fitness key_fitness = miss->key_fitness; |
4530 | const struct nlattr *key = miss->key; | |
4531 | size_t key_len = miss->key_len; | |
4532 | uint32_t key_hash; | |
b0f7b9b5 BP |
4533 | struct subfacet *subfacet; |
4534 | ||
a088a1ff JP |
4535 | key_hash = odp_flow_key_hash(key, key_len); |
4536 | ||
3b145dd7 BP |
4537 | if (list_is_empty(&facet->subfacets)) { |
4538 | subfacet = &facet->one_subfacet; | |
4539 | } else { | |
04d08d54 | 4540 | subfacet = subfacet_find(backer, key, key_len, key_hash); |
3b145dd7 BP |
4541 | if (subfacet) { |
4542 | if (subfacet->facet == facet) { | |
4543 | return subfacet; | |
4544 | } | |
4545 | ||
4546 | /* This shouldn't happen. */ | |
4547 | VLOG_ERR_RL(&rl, "subfacet with wrong facet"); | |
4548 | subfacet_destroy(subfacet); | |
b0f7b9b5 BP |
4549 | } |
4550 | ||
3b145dd7 | 4551 | subfacet = xmalloc(sizeof *subfacet); |
b0f7b9b5 BP |
4552 | } |
4553 | ||
04d08d54 | 4554 | hmap_insert(&backer->subfacets, &subfacet->hmap_node, key_hash); |
b0f7b9b5 BP |
4555 | list_push_back(&facet->subfacets, &subfacet->list_node); |
4556 | subfacet->facet = facet; | |
b0f7b9b5 | 4557 | subfacet->key_fitness = key_fitness; |
9566abf9 EJ |
4558 | subfacet->key = xmemdup(key, key_len); |
4559 | subfacet->key_len = key_len; | |
e1ec7dd4 EJ |
4560 | subfacet->used = miss->stats.used; |
4561 | subfacet->created = subfacet->used; | |
26cd7e34 BP |
4562 | subfacet->dp_packet_count = 0; |
4563 | subfacet->dp_byte_count = 0; | |
6a7e895f | 4564 | subfacet->path = SF_NOT_INSTALLED; |
04d08d54 | 4565 | subfacet->backer = backer; |
b0f7b9b5 | 4566 | |
04d08d54 | 4567 | backer->subfacet_add_count++; |
b0f7b9b5 BP |
4568 | return subfacet; |
4569 | } | |
4570 | ||
b0f7b9b5 BP |
4571 | /* Uninstalls 'subfacet' from the datapath, if it is installed, removes it from |
4572 | * its facet within 'ofproto', and frees it. */ | |
4573 | static void | |
15baa734 | 4574 | subfacet_destroy__(struct subfacet *subfacet) |
b0f7b9b5 | 4575 | { |
15baa734 | 4576 | struct facet *facet = subfacet->facet; |
b7e2f6b3 | 4577 | struct ofproto_dpif *ofproto = facet->ofproto; |
15baa734 | 4578 | |
655ab909 | 4579 | /* Update ofproto stats before uninstall the subfacet. */ |
dc54ef36 | 4580 | ofproto->backer->subfacet_del_count++; |
655ab909 | 4581 | |
15baa734 | 4582 | subfacet_uninstall(subfacet); |
04d08d54 | 4583 | hmap_remove(&subfacet->backer->subfacets, &subfacet->hmap_node); |
b0f7b9b5 BP |
4584 | list_remove(&subfacet->list_node); |
4585 | free(subfacet->key); | |
26cd7e34 BP |
4586 | if (subfacet != &facet->one_subfacet) { |
4587 | free(subfacet); | |
4588 | } | |
b0f7b9b5 BP |
4589 | } |
4590 | ||
4591 | /* Destroys 'subfacet', as with subfacet_destroy__(), and then if this was the | |
4592 | * last remaining subfacet in its facet destroys the facet too. */ | |
4593 | static void | |
15baa734 | 4594 | subfacet_destroy(struct subfacet *subfacet) |
b0f7b9b5 BP |
4595 | { |
4596 | struct facet *facet = subfacet->facet; | |
4597 | ||
551a2f6c BP |
4598 | if (list_is_singleton(&facet->subfacets)) { |
4599 | /* facet_remove() needs at least one subfacet (it will remove it). */ | |
15baa734 | 4600 | facet_remove(facet); |
551a2f6c | 4601 | } else { |
15baa734 | 4602 | subfacet_destroy__(subfacet); |
b0f7b9b5 BP |
4603 | } |
4604 | } | |
4605 | ||
1d85f9e5 | 4606 | static void |
04d08d54 | 4607 | subfacet_destroy_batch(struct dpif_backer *backer, |
1d85f9e5 JP |
4608 | struct subfacet **subfacets, int n) |
4609 | { | |
1d85f9e5 JP |
4610 | struct dpif_op ops[SUBFACET_DESTROY_MAX_BATCH]; |
4611 | struct dpif_op *opsp[SUBFACET_DESTROY_MAX_BATCH]; | |
1d85f9e5 JP |
4612 | struct dpif_flow_stats stats[SUBFACET_DESTROY_MAX_BATCH]; |
4613 | int i; | |
4614 | ||
4615 | for (i = 0; i < n; i++) { | |
4616 | ops[i].type = DPIF_OP_FLOW_DEL; | |
9566abf9 EJ |
4617 | ops[i].u.flow_del.key = subfacets[i]->key; |
4618 | ops[i].u.flow_del.key_len = subfacets[i]->key_len; | |
1d85f9e5 JP |
4619 | ops[i].u.flow_del.stats = &stats[i]; |
4620 | opsp[i] = &ops[i]; | |
4621 | } | |
4622 | ||
04d08d54 | 4623 | dpif_operate(backer->dpif, opsp, n); |
1d85f9e5 JP |
4624 | for (i = 0; i < n; i++) { |
4625 | subfacet_reset_dp_stats(subfacets[i], &stats[i]); | |
4626 | subfacets[i]->path = SF_NOT_INSTALLED; | |
4627 | subfacet_destroy(subfacets[i]); | |
8fa4d1d0 | 4628 | run_fast_rl(); |
1d85f9e5 JP |
4629 | } |
4630 | } | |
4631 | ||
b0f7b9b5 BP |
4632 | /* Updates 'subfacet''s datapath flow, setting its actions to 'actions_len' |
4633 | * bytes of actions in 'actions'. If 'stats' is non-null, statistics counters | |
4634 | * in the datapath will be zeroed and 'stats' will be updated with traffic new | |
4635 | * since 'subfacet' was last updated. | |
4636 | * | |
4637 | * Returns 0 if successful, otherwise a positive errno value. */ | |
4638 | static int | |
4dff9097 EJ |
4639 | subfacet_install(struct subfacet *subfacet, const struct ofpbuf *odp_actions, |
4640 | struct dpif_flow_stats *stats) | |
b0f7b9b5 | 4641 | { |
15baa734 | 4642 | struct facet *facet = subfacet->facet; |
bbafd73b | 4643 | enum subfacet_path path = facet->xout.slow ? SF_SLOW_PATH : SF_FAST_PATH; |
4dff9097 EJ |
4644 | const struct nlattr *actions = odp_actions->data; |
4645 | size_t actions_len = odp_actions->size; | |
d445cc16 JP |
4646 | struct odputil_keybuf maskbuf; |
4647 | struct ofpbuf mask; | |
4dff9097 | 4648 | |
6a7e895f | 4649 | uint64_t slow_path_stub[128 / 8]; |
b0f7b9b5 | 4650 | enum dpif_flow_put_flags flags; |
b0f7b9b5 BP |
4651 | int ret; |
4652 | ||
0f74f625 AZ |
4653 | flags = subfacet->path == SF_NOT_INSTALLED ? DPIF_FP_CREATE |
4654 | : DPIF_FP_MODIFY; | |
b0f7b9b5 BP |
4655 | if (stats) { |
4656 | flags |= DPIF_FP_ZERO_STATS; | |
4657 | } | |
4658 | ||
6a7e895f | 4659 | if (path == SF_SLOW_PATH) { |
b7e2f6b3 | 4660 | compose_slow_path(facet->ofproto, &facet->flow, facet->xout.slow, |
6a7e895f BP |
4661 | slow_path_stub, sizeof slow_path_stub, |
4662 | &actions, &actions_len); | |
4663 | } | |
4664 | ||
d445cc16 | 4665 | ofpbuf_use_stack(&mask, &maskbuf, sizeof maskbuf); |
6b35e630 JP |
4666 | if (enable_megaflows) { |
4667 | odp_flow_key_from_mask(&mask, &facet->xout.wc.masks, | |
4668 | &facet->flow, UINT32_MAX); | |
4669 | } | |
d445cc16 JP |
4670 | |
4671 | ret = dpif_flow_put(subfacet->backer->dpif, flags, subfacet->key, | |
4672 | subfacet->key_len, mask.data, mask.size, | |
e6cc0bab | 4673 | actions, actions_len, stats); |
b0f7b9b5 BP |
4674 | |
4675 | if (stats) { | |
4676 | subfacet_reset_dp_stats(subfacet, stats); | |
4677 | } | |
4678 | ||
9b1a48c2 JP |
4679 | if (ret) { |
4680 | COVERAGE_INC(subfacet_install_fail); | |
4681 | } else { | |
6a7e895f BP |
4682 | subfacet->path = path; |
4683 | } | |
b0f7b9b5 BP |
4684 | return ret; |
4685 | } | |
4686 | ||
4687 | /* If 'subfacet' is installed in the datapath, uninstalls it. */ | |
4688 | static void | |
15baa734 | 4689 | subfacet_uninstall(struct subfacet *subfacet) |
b0f7b9b5 | 4690 | { |
6a7e895f | 4691 | if (subfacet->path != SF_NOT_INSTALLED) { |
b7e2f6b3 | 4692 | struct ofproto_dpif *ofproto = subfacet->facet->ofproto; |
b0f7b9b5 | 4693 | struct dpif_flow_stats stats; |
b0f7b9b5 BP |
4694 | int error; |
4695 | ||
9566abf9 EJ |
4696 | error = dpif_flow_del(ofproto->backer->dpif, subfacet->key, |
4697 | subfacet->key_len, &stats); | |
b0f7b9b5 BP |
4698 | subfacet_reset_dp_stats(subfacet, &stats); |
4699 | if (!error) { | |
15baa734 | 4700 | subfacet_update_stats(subfacet, &stats); |
b0f7b9b5 | 4701 | } |
6a7e895f | 4702 | subfacet->path = SF_NOT_INSTALLED; |
b0f7b9b5 | 4703 | } else { |
cb22974d BP |
4704 | ovs_assert(subfacet->dp_packet_count == 0); |
4705 | ovs_assert(subfacet->dp_byte_count == 0); | |
b0f7b9b5 BP |
4706 | } |
4707 | } | |
4708 | ||
4709 | /* Resets 'subfacet''s datapath statistics counters. This should be called | |
4710 | * when 'subfacet''s statistics are cleared in the datapath. If 'stats' is | |
4711 | * non-null, it should contain the statistics returned by dpif when 'subfacet' | |
4712 | * was reset in the datapath. 'stats' will be modified to include only | |
4713 | * statistics new since 'subfacet' was last updated. */ | |
4714 | static void | |
4715 | subfacet_reset_dp_stats(struct subfacet *subfacet, | |
4716 | struct dpif_flow_stats *stats) | |
4717 | { | |
4718 | if (stats | |
4719 | && subfacet->dp_packet_count <= stats->n_packets | |
4720 | && subfacet->dp_byte_count <= stats->n_bytes) { | |
4721 | stats->n_packets -= subfacet->dp_packet_count; | |
4722 | stats->n_bytes -= subfacet->dp_byte_count; | |
4723 | } | |
4724 | ||
4725 | subfacet->dp_packet_count = 0; | |
4726 | subfacet->dp_byte_count = 0; | |
4727 | } | |
4728 | ||
b0f7b9b5 BP |
4729 | /* Folds the statistics from 'stats' into the counters in 'subfacet'. |
4730 | * | |
4731 | * Because of the meaning of a subfacet's counters, it only makes sense to do | |
4732 | * this if 'stats' are not tracked in the datapath, that is, if 'stats' | |
4733 | * represents a packet that was sent by hand or if it represents statistics | |
4734 | * that have been cleared out of the datapath. */ | |
4735 | static void | |
15baa734 | 4736 | subfacet_update_stats(struct subfacet *subfacet, |
b0f7b9b5 BP |
4737 | const struct dpif_flow_stats *stats) |
4738 | { | |
4739 | if (stats->n_packets || stats->used > subfacet->used) { | |
4740 | struct facet *facet = subfacet->facet; | |
4741 | ||
9dfb1f78 EJ |
4742 | subfacet->used = MAX(subfacet->used, stats->used); |
4743 | facet->used = MAX(facet->used, stats->used); | |
b0f7b9b5 BP |
4744 | facet->packet_count += stats->n_packets; |
4745 | facet->byte_count += stats->n_bytes; | |
0e553d9c | 4746 | facet->tcp_flags |= stats->tcp_flags; |
b0f7b9b5 BP |
4747 | } |
4748 | } | |
4749 | \f | |
abe529af BP |
4750 | /* Rules. */ |
4751 | ||
bcd2633a JP |
4752 | /* Lookup 'flow' in 'ofproto''s classifier. If 'wc' is non-null, sets |
4753 | * the fields that were relevant as part of the lookup. */ | |
ad3efdcb | 4754 | void |
bcd2633a | 4755 | rule_dpif_lookup(struct ofproto_dpif *ofproto, const struct flow *flow, |
ad3efdcb | 4756 | struct flow_wildcards *wc, struct rule_dpif **rule) |
c57b2226 | 4757 | { |
ec89fc6f | 4758 | struct ofport_dpif *port; |
c57b2226 | 4759 | |
ad3efdcb EJ |
4760 | if (rule_dpif_lookup_in_table(ofproto, flow, wc, 0, rule)) { |
4761 | return; | |
c57b2226 | 4762 | } |
ec89fc6f EJ |
4763 | port = get_ofp_port(ofproto, flow->in_port.ofp_port); |
4764 | if (!port) { | |
4765 | VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16, | |
4766 | flow->in_port.ofp_port); | |
4767 | } | |
c57b2226 | 4768 | |
ad3efdcb EJ |
4769 | *rule = choose_miss_rule(port ? port->up.pp.config : 0, ofproto->miss_rule, |
4770 | ofproto->no_packet_in_rule); | |
4771 | ovs_rwlock_rdlock(&(*rule)->up.evict); | |
c57b2226 BP |
4772 | } |
4773 | ||
ad3efdcb | 4774 | bool |
9583bc14 EJ |
4775 | rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, |
4776 | const struct flow *flow, struct flow_wildcards *wc, | |
ad3efdcb | 4777 | uint8_t table_id, struct rule_dpif **rule) |
47b52c71 | 4778 | OVS_ACQ_RDLOCK((*rule)->up.evict) |
abe529af | 4779 | { |
7257b535 BP |
4780 | struct cls_rule *cls_rule; |
4781 | struct classifier *cls; | |
7fd51d39 | 4782 | bool frag; |
7257b535 | 4783 | |
ad3efdcb | 4784 | *rule = NULL; |
9cdaaebe | 4785 | if (table_id >= N_TABLES) { |
ad3efdcb | 4786 | return false; |
9cdaaebe BP |
4787 | } |
4788 | ||
1dd35f8a | 4789 | if (wc) { |
7431e171 | 4790 | memset(&wc->masks.dl_type, 0xff, sizeof wc->masks.dl_type); |
1dd35f8a JP |
4791 | wc->masks.nw_frag |= FLOW_NW_FRAG_MASK; |
4792 | } | |
4793 | ||
d0918789 | 4794 | cls = &ofproto->up.tables[table_id].cls; |
ad3efdcb | 4795 | ovs_rwlock_rdlock(&cls->rwlock); |
7fd51d39 BP |
4796 | frag = (flow->nw_frag & FLOW_NW_FRAG_ANY) != 0; |
4797 | if (frag && ofproto->up.frag_handling == OFPC_FRAG_NORMAL) { | |
4798 | /* We must pretend that transport ports are unavailable. */ | |
7257b535 BP |
4799 | struct flow ofpc_normal_flow = *flow; |
4800 | ofpc_normal_flow.tp_src = htons(0); | |
4801 | ofpc_normal_flow.tp_dst = htons(0); | |
bcd2633a | 4802 | cls_rule = classifier_lookup(cls, &ofpc_normal_flow, wc); |
7fd51d39 BP |
4803 | } else if (frag && ofproto->up.frag_handling == OFPC_FRAG_DROP) { |
4804 | cls_rule = &ofproto->drop_frags_rule->up.cr; | |
bcd2633a JP |
4805 | if (wc) { |
4806 | flow_wildcards_init_exact(wc); | |
4807 | } | |
7257b535 | 4808 | } else { |
bcd2633a | 4809 | cls_rule = classifier_lookup(cls, flow, wc); |
7257b535 | 4810 | } |
ad3efdcb EJ |
4811 | |
4812 | *rule = rule_dpif_cast(rule_from_cls_rule(cls_rule)); | |
4813 | if (*rule && ovs_rwlock_tryrdlock(&(*rule)->up.evict)) { | |
4814 | /* The rule is in the process of being removed. Best we can do is | |
4815 | * pretend it isn't there. */ | |
4816 | *rule = NULL; | |
4817 | } | |
4818 | ovs_rwlock_unlock(&cls->rwlock); | |
4819 | ||
4820 | return *rule != NULL; | |
abe529af BP |
4821 | } |
4822 | ||
ec89fc6f EJ |
4823 | /* Given a port configuration (specified as zero if there's no port), chooses |
4824 | * which of 'miss_rule' and 'no_packet_in_rule' should be used in case of a | |
4825 | * flow table miss. */ | |
9583bc14 | 4826 | struct rule_dpif * |
ec89fc6f EJ |
4827 | choose_miss_rule(enum ofputil_port_config config, struct rule_dpif *miss_rule, |
4828 | struct rule_dpif *no_packet_in_rule) | |
c376f9a3 | 4829 | { |
ec89fc6f | 4830 | return config & OFPUTIL_PC_NO_PACKET_IN ? no_packet_in_rule : miss_rule; |
c376f9a3 IY |
4831 | } |
4832 | ||
ad3efdcb EJ |
4833 | void |
4834 | rule_release(struct rule_dpif *rule) | |
4835 | { | |
4836 | if (rule) { | |
4837 | ovs_rwlock_unlock(&rule->up.evict); | |
4838 | } | |
4839 | } | |
4840 | ||
7ee20df1 BP |
4841 | static void |
4842 | complete_operation(struct rule_dpif *rule) | |
4843 | { | |
4844 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); | |
4845 | ||
a1616063 | 4846 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
7ee20df1 BP |
4847 | if (clogged) { |
4848 | struct dpif_completion *c = xmalloc(sizeof *c); | |
4849 | c->op = rule->up.pending; | |
4850 | list_push_back(&ofproto->completions, &c->list_node); | |
4851 | } else { | |
4852 | ofoperation_complete(rule->up.pending, 0); | |
4853 | } | |
4854 | } | |
4855 | ||
abe529af BP |
4856 | static struct rule * |
4857 | rule_alloc(void) | |
4858 | { | |
4859 | struct rule_dpif *rule = xmalloc(sizeof *rule); | |
4860 | return &rule->up; | |
4861 | } | |
4862 | ||
4863 | static void | |
4864 | rule_dealloc(struct rule *rule_) | |
4865 | { | |
4866 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
4867 | free(rule); | |
4868 | } | |
4869 | ||
90bf1e07 | 4870 | static enum ofperr |
abe529af BP |
4871 | rule_construct(struct rule *rule_) |
4872 | { | |
4873 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
834d6caf | 4874 | ovs_mutex_init(&rule->stats_mutex); |
9fbe253e | 4875 | ovs_mutex_lock(&rule->stats_mutex); |
abe529af BP |
4876 | rule->packet_count = 0; |
4877 | rule->byte_count = 0; | |
9fbe253e | 4878 | ovs_mutex_unlock(&rule->stats_mutex); |
7ee20df1 | 4879 | complete_operation(rule); |
abe529af BP |
4880 | return 0; |
4881 | } | |
4882 | ||
4883 | static void | |
9fbe253e | 4884 | rule_destruct(struct rule *rule_) |
abe529af | 4885 | { |
9fbe253e EJ |
4886 | struct rule_dpif *rule = rule_dpif_cast(rule_); |
4887 | complete_operation(rule); | |
4888 | ovs_mutex_destroy(&rule->stats_mutex); | |
abe529af BP |
4889 | } |
4890 | ||
4891 | static void | |
4892 | rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes) | |
4893 | { | |
4894 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
abe529af | 4895 | |
4464589e EJ |
4896 | /* push_all_stats() can handle flow misses which, when using the learn |
4897 | * action, can cause rules to be added and deleted. This can corrupt our | |
4898 | * caller's datastructures which assume that rule_get_stats() doesn't have | |
4899 | * an impact on the flow table. To be safe, we disable miss handling. */ | |
4900 | push_all_stats__(false); | |
bf1e8ff9 | 4901 | |
abe529af BP |
4902 | /* Start from historical data for 'rule' itself that are no longer tracked |
4903 | * in facets. This counts, for example, facets that have expired. */ | |
9fbe253e | 4904 | ovs_mutex_lock(&rule->stats_mutex); |
abe529af BP |
4905 | *packets = rule->packet_count; |
4906 | *bytes = rule->byte_count; | |
9fbe253e | 4907 | ovs_mutex_unlock(&rule->stats_mutex); |
abe529af BP |
4908 | } |
4909 | ||
0a740f48 EJ |
4910 | static void |
4911 | rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow, | |
4912 | struct ofpbuf *packet) | |
abe529af | 4913 | { |
abe529af | 4914 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); |
112bc5f4 | 4915 | struct dpif_flow_stats stats; |
bbafd73b EJ |
4916 | struct xlate_out xout; |
4917 | struct xlate_in xin; | |
abe529af | 4918 | |
a7752d4a | 4919 | dpif_flow_stats_extract(flow, packet, time_msec(), &stats); |
112bc5f4 BP |
4920 | rule_credit_stats(rule, &stats); |
4921 | ||
47b0deae | 4922 | xlate_in_init(&xin, ofproto, flow, rule, stats.tcp_flags, packet); |
bbafd73b EJ |
4923 | xin.resubmit_stats = &stats; |
4924 | xlate_actions(&xin, &xout); | |
112bc5f4 | 4925 | |
bbafd73b EJ |
4926 | execute_odp_actions(ofproto, flow, xout.odp_actions.data, |
4927 | xout.odp_actions.size, packet); | |
112bc5f4 | 4928 | |
bbafd73b | 4929 | xlate_out_uninit(&xout); |
0a740f48 | 4930 | } |
5bf0e941 | 4931 | |
0a740f48 EJ |
4932 | static enum ofperr |
4933 | rule_execute(struct rule *rule, const struct flow *flow, | |
4934 | struct ofpbuf *packet) | |
4935 | { | |
4936 | rule_dpif_execute(rule_dpif_cast(rule), flow, packet); | |
4937 | ofpbuf_delete(packet); | |
5bf0e941 | 4938 | return 0; |
abe529af BP |
4939 | } |
4940 | ||
7ee20df1 BP |
4941 | static void |
4942 | rule_modify_actions(struct rule *rule_) | |
abe529af BP |
4943 | { |
4944 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
7ee20df1 BP |
4945 | |
4946 | complete_operation(rule); | |
abe529af BP |
4947 | } |
4948 | \f | |
97d6520b | 4949 | /* Sends 'packet' out 'ofport'. |
52a90c29 | 4950 | * May modify 'packet'. |
abe529af BP |
4951 | * Returns 0 if successful, otherwise a positive errno value. */ |
4952 | static int | |
52a90c29 | 4953 | send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet) |
abe529af | 4954 | { |
79e15b78 | 4955 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
b9ad7294 | 4956 | uint64_t odp_actions_stub[1024 / 8]; |
80e5eed9 | 4957 | struct ofpbuf key, odp_actions; |
0f49659a | 4958 | struct dpif_flow_stats stats; |
80e5eed9 | 4959 | struct odputil_keybuf keybuf; |
0f49659a | 4960 | struct ofpact_output output; |
bbafd73b EJ |
4961 | struct xlate_out xout; |
4962 | struct xlate_in xin; | |
80e5eed9 | 4963 | struct flow flow; |
4e022ec0 | 4964 | union flow_in_port in_port_; |
abe529af BP |
4965 | int error; |
4966 | ||
b9ad7294 | 4967 | ofpbuf_use_stub(&odp_actions, odp_actions_stub, sizeof odp_actions_stub); |
0f49659a | 4968 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); |
b9ad7294 | 4969 | |
0f49659a | 4970 | /* Use OFPP_NONE as the in_port to avoid special packet processing. */ |
4e022ec0 AW |
4971 | in_port_.ofp_port = OFPP_NONE; |
4972 | flow_extract(packet, 0, 0, NULL, &in_port_, &flow); | |
0f49659a EJ |
4973 | odp_flow_key_from_flow(&key, &flow, ofp_port_to_odp_port(ofproto, |
4974 | OFPP_LOCAL)); | |
4975 | dpif_flow_stats_extract(&flow, packet, time_msec(), &stats); | |
b9ad7294 | 4976 | |
0f49659a EJ |
4977 | ofpact_init(&output.ofpact, OFPACT_OUTPUT, sizeof output); |
4978 | output.port = ofport->up.ofp_port; | |
4979 | output.max_len = 0; | |
b9ad7294 | 4980 | |
47b0deae | 4981 | xlate_in_init(&xin, ofproto, &flow, NULL, 0, packet); |
bbafd73b EJ |
4982 | xin.ofpacts_len = sizeof output; |
4983 | xin.ofpacts = &output.ofpact; | |
4984 | xin.resubmit_stats = &stats; | |
4985 | xlate_actions(&xin, &xout); | |
6ff686f2 | 4986 | |
acf60855 | 4987 | error = dpif_execute(ofproto->backer->dpif, |
80e5eed9 | 4988 | key.data, key.size, |
bbafd73b | 4989 | xout.odp_actions.data, xout.odp_actions.size, |
abe529af | 4990 | packet); |
bbafd73b | 4991 | xlate_out_uninit(&xout); |
abe529af BP |
4992 | |
4993 | if (error) { | |
0f49659a EJ |
4994 | VLOG_WARN_RL(&rl, "%s: failed to send packet on port %s (%s)", |
4995 | ofproto->up.name, netdev_get_name(ofport->up.netdev), | |
10a89ef0 | 4996 | ovs_strerror(error)); |
abe529af | 4997 | } |
79e15b78 EJ |
4998 | |
4999 | ofproto->stats.tx_packets++; | |
5000 | ofproto->stats.tx_bytes += packet->size; | |
abe529af BP |
5001 | return error; |
5002 | } | |
abe529af | 5003 | |
6a7e895f BP |
5004 | /* Composes an ODP action for a "slow path" action for 'flow' within 'ofproto'. |
5005 | * The action will state 'slow' as the reason that the action is in the slow | |
5006 | * path. (This is purely informational: it allows a human viewing "ovs-dpctl | |
5007 | * dump-flows" output to see why a flow is in the slow path.) | |
5008 | * | |
5009 | * The 'stub_size' bytes in 'stub' will be used to store the action. | |
5010 | * 'stub_size' must be large enough for the action. | |
5011 | * | |
5012 | * The action and its size will be stored in '*actionsp' and '*actions_lenp', | |
5013 | * respectively. */ | |
5014 | static void | |
5015 | compose_slow_path(const struct ofproto_dpif *ofproto, const struct flow *flow, | |
5016 | enum slow_path_reason slow, | |
5017 | uint64_t *stub, size_t stub_size, | |
5018 | const struct nlattr **actionsp, size_t *actions_lenp) | |
5019 | { | |
5020 | union user_action_cookie cookie; | |
5021 | struct ofpbuf buf; | |
5022 | ||
5023 | cookie.type = USER_ACTION_COOKIE_SLOW_PATH; | |
5024 | cookie.slow_path.unused = 0; | |
5025 | cookie.slow_path.reason = slow; | |
5026 | ||
5027 | ofpbuf_use_stack(&buf, stub, stub_size); | |
ccc09689 | 5028 | if (slow & (SLOW_CFM | SLOW_BFD | SLOW_LACP | SLOW_STP)) { |
4e022ec0 AW |
5029 | uint32_t pid = dpif_port_get_pid(ofproto->backer->dpif, |
5030 | ODPP_NONE); | |
29089a54 | 5031 | odp_put_userspace_action(pid, &cookie, sizeof cookie.slow_path, &buf); |
625b0720 | 5032 | } else { |
89a8a7f0 EJ |
5033 | odp_port_t odp_port; |
5034 | uint32_t pid; | |
5035 | ||
5036 | odp_port = ofp_port_to_odp_port(ofproto, flow->in_port.ofp_port); | |
5037 | pid = dpif_port_get_pid(ofproto->backer->dpif, odp_port); | |
5038 | odp_put_userspace_action(pid, &cookie, sizeof cookie.slow_path, &buf); | |
625b0720 | 5039 | } |
6a7e895f BP |
5040 | *actionsp = buf.data; |
5041 | *actions_lenp = buf.size; | |
5042 | } | |
9583bc14 EJ |
5043 | \f |
5044 | static bool | |
5045 | set_frag_handling(struct ofproto *ofproto_, | |
5046 | enum ofp_config_flags frag_handling) | |
abe529af BP |
5047 | { |
5048 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
7257b535 | 5049 | if (frag_handling != OFPC_FRAG_REASM) { |
2cc3c58e | 5050 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7257b535 BP |
5051 | return true; |
5052 | } else { | |
5053 | return false; | |
5054 | } | |
abe529af BP |
5055 | } |
5056 | ||
90bf1e07 | 5057 | static enum ofperr |
abe529af BP |
5058 | packet_out(struct ofproto *ofproto_, struct ofpbuf *packet, |
5059 | const struct flow *flow, | |
f25d0cf3 | 5060 | const struct ofpact *ofpacts, size_t ofpacts_len) |
abe529af BP |
5061 | { |
5062 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
548de4dd BP |
5063 | struct odputil_keybuf keybuf; |
5064 | struct dpif_flow_stats stats; | |
bbafd73b EJ |
5065 | struct xlate_out xout; |
5066 | struct xlate_in xin; | |
548de4dd | 5067 | struct ofpbuf key; |
112bc5f4 | 5068 | |
80e5eed9 | 5069 | |
548de4dd | 5070 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); |
e1b1d06a | 5071 | odp_flow_key_from_flow(&key, flow, |
4e022ec0 AW |
5072 | ofp_port_to_odp_port(ofproto, |
5073 | flow->in_port.ofp_port)); | |
050ac423 | 5074 | |
548de4dd | 5075 | dpif_flow_stats_extract(flow, packet, time_msec(), &stats); |
abe529af | 5076 | |
47b0deae | 5077 | xlate_in_init(&xin, ofproto, flow, NULL, stats.tcp_flags, packet); |
bbafd73b EJ |
5078 | xin.resubmit_stats = &stats; |
5079 | xin.ofpacts_len = ofpacts_len; | |
5080 | xin.ofpacts = ofpacts; | |
2284188b | 5081 | |
bbafd73b | 5082 | xlate_actions(&xin, &xout); |
acf60855 | 5083 | dpif_execute(ofproto->backer->dpif, key.data, key.size, |
bbafd73b EJ |
5084 | xout.odp_actions.data, xout.odp_actions.size, packet); |
5085 | xlate_out_uninit(&xout); | |
2284188b | 5086 | |
548de4dd | 5087 | return 0; |
abe529af | 5088 | } |
6fca1ffb BP |
5089 | \f |
5090 | /* NetFlow. */ | |
5091 | ||
5092 | static int | |
5093 | set_netflow(struct ofproto *ofproto_, | |
5094 | const struct netflow_options *netflow_options) | |
5095 | { | |
5096 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
5097 | ||
5098 | if (netflow_options) { | |
5099 | if (!ofproto->netflow) { | |
5100 | ofproto->netflow = netflow_create(); | |
7bab1576 | 5101 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6fca1ffb BP |
5102 | } |
5103 | return netflow_set_options(ofproto->netflow, netflow_options); | |
7bab1576 EJ |
5104 | } else if (ofproto->netflow) { |
5105 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
6fca1ffb BP |
5106 | netflow_destroy(ofproto->netflow); |
5107 | ofproto->netflow = NULL; | |
6fca1ffb | 5108 | } |
7bab1576 EJ |
5109 | |
5110 | return 0; | |
6fca1ffb | 5111 | } |
abe529af BP |
5112 | |
5113 | static void | |
5114 | get_netflow_ids(const struct ofproto *ofproto_, | |
5115 | uint8_t *engine_type, uint8_t *engine_id) | |
5116 | { | |
5117 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
5118 | ||
acf60855 | 5119 | dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id); |
abe529af | 5120 | } |
6fca1ffb BP |
5121 | |
5122 | static void | |
5123 | send_active_timeout(struct ofproto_dpif *ofproto, struct facet *facet) | |
5124 | { | |
5125 | if (!facet_is_controller_flow(facet) && | |
5126 | netflow_active_timeout_expired(ofproto->netflow, &facet->nf_flow)) { | |
b0f7b9b5 | 5127 | struct subfacet *subfacet; |
6fca1ffb BP |
5128 | struct ofexpired expired; |
5129 | ||
b0f7b9b5 | 5130 | LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) { |
6a7e895f | 5131 | if (subfacet->path == SF_FAST_PATH) { |
b0f7b9b5 | 5132 | struct dpif_flow_stats stats; |
6fca1ffb | 5133 | |
bcd2633a JP |
5134 | subfacet_install(subfacet, &facet->xout.odp_actions, |
5135 | &stats); | |
15baa734 | 5136 | subfacet_update_stats(subfacet, &stats); |
b0f7b9b5 | 5137 | } |
6fca1ffb BP |
5138 | } |
5139 | ||
5140 | expired.flow = facet->flow; | |
5141 | expired.packet_count = facet->packet_count; | |
5142 | expired.byte_count = facet->byte_count; | |
5143 | expired.used = facet->used; | |
5144 | netflow_expire(ofproto->netflow, &facet->nf_flow, &expired); | |
5145 | } | |
5146 | } | |
5147 | ||
5148 | static void | |
5149 | send_netflow_active_timeouts(struct ofproto_dpif *ofproto) | |
5150 | { | |
bcd2633a | 5151 | struct cls_cursor cursor; |
6fca1ffb BP |
5152 | struct facet *facet; |
5153 | ||
0b4f2078 | 5154 | ovs_rwlock_rdlock(&ofproto->facets.rwlock); |
bcd2633a JP |
5155 | cls_cursor_init(&cursor, &ofproto->facets, NULL); |
5156 | CLS_CURSOR_FOR_EACH (facet, cr, &cursor) { | |
6fca1ffb BP |
5157 | send_active_timeout(ofproto, facet); |
5158 | } | |
0b4f2078 | 5159 | ovs_rwlock_unlock(&ofproto->facets.rwlock); |
6fca1ffb | 5160 | } |
abe529af BP |
5161 | \f |
5162 | static struct ofproto_dpif * | |
5163 | ofproto_dpif_lookup(const char *name) | |
5164 | { | |
b44a10b7 BP |
5165 | struct ofproto_dpif *ofproto; |
5166 | ||
5167 | HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node, | |
5168 | hash_string(name, 0), &all_ofproto_dpifs) { | |
5169 | if (!strcmp(ofproto->up.name, name)) { | |
5170 | return ofproto; | |
5171 | } | |
5172 | } | |
5173 | return NULL; | |
abe529af BP |
5174 | } |
5175 | ||
f0a3aa2e | 5176 | static void |
96e466a3 | 5177 | ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc, |
0e15264f | 5178 | const char *argv[], void *aux OVS_UNUSED) |
f0a3aa2e | 5179 | { |
490df1ef | 5180 | struct ofproto_dpif *ofproto; |
f0a3aa2e | 5181 | |
96e466a3 EJ |
5182 | if (argc > 1) { |
5183 | ofproto = ofproto_dpif_lookup(argv[1]); | |
5184 | if (!ofproto) { | |
bde9f75d | 5185 | unixctl_command_reply_error(conn, "no such bridge"); |
96e466a3 EJ |
5186 | return; |
5187 | } | |
509c0149 | 5188 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 5189 | mac_learning_flush(ofproto->ml); |
509c0149 | 5190 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 EJ |
5191 | } else { |
5192 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
509c0149 | 5193 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 5194 | mac_learning_flush(ofproto->ml); |
509c0149 | 5195 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 | 5196 | } |
f0a3aa2e | 5197 | } |
f0a3aa2e | 5198 | |
bde9f75d | 5199 | unixctl_command_reply(conn, "table successfully flushed"); |
f0a3aa2e AA |
5200 | } |
5201 | ||
46c88433 EJ |
5202 | static struct ofport_dpif * |
5203 | ofbundle_get_a_port(const struct ofbundle *bundle) | |
5204 | { | |
5205 | return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif, | |
5206 | bundle_node); | |
5207 | } | |
5208 | ||
abe529af | 5209 | static void |
0e15264f BP |
5210 | ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
5211 | const char *argv[], void *aux OVS_UNUSED) | |
abe529af BP |
5212 | { |
5213 | struct ds ds = DS_EMPTY_INITIALIZER; | |
5214 | const struct ofproto_dpif *ofproto; | |
5215 | const struct mac_entry *e; | |
5216 | ||
0e15264f | 5217 | ofproto = ofproto_dpif_lookup(argv[1]); |
abe529af | 5218 | if (!ofproto) { |
bde9f75d | 5219 | unixctl_command_reply_error(conn, "no such bridge"); |
abe529af BP |
5220 | return; |
5221 | } | |
5222 | ||
5223 | ds_put_cstr(&ds, " port VLAN MAC Age\n"); | |
509c0149 | 5224 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
5225 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
5226 | struct ofbundle *bundle = e->port.p; | |
ad28062f BP |
5227 | char name[OFP_MAX_PORT_NAME_LEN]; |
5228 | ||
5229 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
5230 | name, sizeof name); | |
5231 | ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n", | |
5232 | name, e->vlan, ETH_ADDR_ARGS(e->mac), | |
e764773c | 5233 | mac_entry_age(ofproto->ml, e)); |
abe529af | 5234 | } |
509c0149 | 5235 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
bde9f75d | 5236 | unixctl_command_reply(conn, ds_cstr(&ds)); |
abe529af BP |
5237 | ds_destroy(&ds); |
5238 | } | |
5239 | ||
6a6455e5 | 5240 | struct trace_ctx { |
bbafd73b EJ |
5241 | struct xlate_out xout; |
5242 | struct xlate_in xin; | |
abe529af BP |
5243 | struct flow flow; |
5244 | struct ds *result; | |
5245 | }; | |
5246 | ||
5247 | static void | |
4d0acc70 | 5248 | trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule) |
abe529af BP |
5249 | { |
5250 | ds_put_char_multiple(result, '\t', level); | |
5251 | if (!rule) { | |
5252 | ds_put_cstr(result, "No match\n"); | |
5253 | return; | |
5254 | } | |
5255 | ||
29901626 | 5256 | ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ", |
4d0acc70 | 5257 | rule ? rule->up.table_id : 0, ntohll(rule->up.flow_cookie)); |
79feb7df | 5258 | cls_rule_format(&rule->up.cr, result); |
abe529af BP |
5259 | ds_put_char(result, '\n'); |
5260 | ||
5261 | ds_put_char_multiple(result, '\t', level); | |
5262 | ds_put_cstr(result, "OpenFlow "); | |
f25d0cf3 | 5263 | ofpacts_format(rule->up.ofpacts, rule->up.ofpacts_len, result); |
abe529af BP |
5264 | ds_put_char(result, '\n'); |
5265 | } | |
5266 | ||
5267 | static void | |
5268 | trace_format_flow(struct ds *result, int level, const char *title, | |
bbafd73b | 5269 | struct trace_ctx *trace) |
abe529af BP |
5270 | { |
5271 | ds_put_char_multiple(result, '\t', level); | |
5272 | ds_put_format(result, "%s: ", title); | |
bbafd73b | 5273 | if (flow_equal(&trace->xin.flow, &trace->flow)) { |
abe529af BP |
5274 | ds_put_cstr(result, "unchanged"); |
5275 | } else { | |
bbafd73b EJ |
5276 | flow_format(result, &trace->xin.flow); |
5277 | trace->flow = trace->xin.flow; | |
abe529af BP |
5278 | } |
5279 | ds_put_char(result, '\n'); | |
5280 | } | |
5281 | ||
eb9e1c26 EJ |
5282 | static void |
5283 | trace_format_regs(struct ds *result, int level, const char *title, | |
6a6455e5 | 5284 | struct trace_ctx *trace) |
eb9e1c26 EJ |
5285 | { |
5286 | size_t i; | |
5287 | ||
5288 | ds_put_char_multiple(result, '\t', level); | |
5289 | ds_put_format(result, "%s:", title); | |
5290 | for (i = 0; i < FLOW_N_REGS; i++) { | |
5291 | ds_put_format(result, " reg%zu=0x%"PRIx32, i, trace->flow.regs[i]); | |
5292 | } | |
5293 | ds_put_char(result, '\n'); | |
5294 | } | |
5295 | ||
1ed8d352 EJ |
5296 | static void |
5297 | trace_format_odp(struct ds *result, int level, const char *title, | |
6a6455e5 | 5298 | struct trace_ctx *trace) |
1ed8d352 | 5299 | { |
bbafd73b | 5300 | struct ofpbuf *odp_actions = &trace->xout.odp_actions; |
1ed8d352 EJ |
5301 | |
5302 | ds_put_char_multiple(result, '\t', level); | |
5303 | ds_put_format(result, "%s: ", title); | |
5304 | format_odp_actions(result, odp_actions->data, odp_actions->size); | |
5305 | ds_put_char(result, '\n'); | |
5306 | } | |
5307 | ||
abe529af | 5308 | static void |
4d0acc70 | 5309 | trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse) |
abe529af | 5310 | { |
4d0acc70 | 5311 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
abe529af BP |
5312 | struct ds *result = trace->result; |
5313 | ||
5314 | ds_put_char(result, '\n'); | |
4d0acc70 EJ |
5315 | trace_format_flow(result, recurse + 1, "Resubmitted flow", trace); |
5316 | trace_format_regs(result, recurse + 1, "Resubmitted regs", trace); | |
5317 | trace_format_odp(result, recurse + 1, "Resubmitted odp", trace); | |
5318 | trace_format_rule(result, recurse + 1, rule); | |
abe529af BP |
5319 | } |
5320 | ||
479df176 | 5321 | static void |
4d0acc70 | 5322 | trace_report(struct xlate_in *xin, const char *s, int recurse) |
479df176 | 5323 | { |
4d0acc70 | 5324 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
479df176 BP |
5325 | struct ds *result = trace->result; |
5326 | ||
4d0acc70 | 5327 | ds_put_char_multiple(result, '\t', recurse); |
479df176 BP |
5328 | ds_put_cstr(result, s); |
5329 | ds_put_char(result, '\n'); | |
5330 | } | |
5331 | ||
abe529af | 5332 | static void |
0e15264f | 5333 | ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[], |
abe529af BP |
5334 | void *aux OVS_UNUSED) |
5335 | { | |
50aa28fd | 5336 | const struct dpif_backer *backer; |
abe529af | 5337 | struct ofproto_dpif *ofproto; |
ea5e3887 | 5338 | struct ofpbuf odp_key, odp_mask; |
876b0e1c | 5339 | struct ofpbuf *packet; |
abe529af BP |
5340 | struct ds result; |
5341 | struct flow flow; | |
abe529af BP |
5342 | char *s; |
5343 | ||
876b0e1c | 5344 | packet = NULL; |
50aa28fd | 5345 | backer = NULL; |
abe529af | 5346 | ds_init(&result); |
50aa28fd | 5347 | ofpbuf_init(&odp_key, 0); |
ea5e3887 | 5348 | ofpbuf_init(&odp_mask, 0); |
abe529af | 5349 | |
50aa28fd AW |
5350 | /* Handle "-generate" or a hex string as the last argument. */ |
5351 | if (!strcmp(argv[argc - 1], "-generate")) { | |
5352 | packet = ofpbuf_new(0); | |
5353 | argc--; | |
5354 | } else { | |
5355 | const char *error = eth_from_hex(argv[argc - 1], &packet); | |
5356 | if (!error) { | |
5357 | argc--; | |
5358 | } else if (argc == 4) { | |
5359 | /* The 3-argument form must end in "-generate' or a hex string. */ | |
5360 | unixctl_command_reply_error(conn, error); | |
5361 | goto exit; | |
5362 | } | |
e84173dc | 5363 | } |
876b0e1c | 5364 | |
50aa28fd AW |
5365 | /* Parse the flow and determine whether a datapath or |
5366 | * bridge is specified. If function odp_flow_key_from_string() | |
5367 | * returns 0, the flow is a odp_flow. If function | |
5368 | * parse_ofp_exact_flow() returns 0, the flow is a br_flow. */ | |
ea5e3887 | 5369 | if (!odp_flow_from_string(argv[argc - 1], NULL, &odp_key, &odp_mask)) { |
50aa28fd AW |
5370 | /* If the odp_flow is the second argument, |
5371 | * the datapath name is the first argument. */ | |
5372 | if (argc == 3) { | |
5373 | const char *dp_type; | |
5374 | if (!strncmp(argv[1], "ovs-", 4)) { | |
5375 | dp_type = argv[1] + 4; | |
5376 | } else { | |
5377 | dp_type = argv[1]; | |
31a19d69 | 5378 | } |
50aa28fd AW |
5379 | backer = shash_find_data(&all_dpif_backers, dp_type); |
5380 | if (!backer) { | |
5381 | unixctl_command_reply_error(conn, "Cannot find datapath " | |
5382 | "of this name"); | |
31a19d69 BP |
5383 | goto exit; |
5384 | } | |
5385 | } else { | |
50aa28fd AW |
5386 | /* No datapath name specified, so there should be only one |
5387 | * datapath. */ | |
5388 | struct shash_node *node; | |
5389 | if (shash_count(&all_dpif_backers) != 1) { | |
5390 | unixctl_command_reply_error(conn, "Must specify datapath " | |
5391 | "name, there is more than one type of datapath"); | |
31a19d69 BP |
5392 | goto exit; |
5393 | } | |
50aa28fd AW |
5394 | node = shash_first(&all_dpif_backers); |
5395 | backer = node->data; | |
876b0e1c | 5396 | } |
8b3b8dd1 | 5397 | |
8449c4d6 EJ |
5398 | if (xlate_receive(backer, NULL, odp_key.data, odp_key.size, &flow, |
5399 | NULL, &ofproto, NULL)) { | |
50aa28fd AW |
5400 | unixctl_command_reply_error(conn, "Invalid datapath flow"); |
5401 | goto exit; | |
8b3b8dd1 | 5402 | } |
50aa28fd AW |
5403 | ds_put_format(&result, "Bridge: %s\n", ofproto->up.name); |
5404 | } else if (!parse_ofp_exact_flow(&flow, argv[argc - 1])) { | |
5405 | if (argc != 3) { | |
5406 | unixctl_command_reply_error(conn, "Must specify bridge name"); | |
876b0e1c BP |
5407 | goto exit; |
5408 | } | |
5409 | ||
50aa28fd AW |
5410 | ofproto = ofproto_dpif_lookup(argv[1]); |
5411 | if (!ofproto) { | |
5412 | unixctl_command_reply_error(conn, "Unknown bridge name"); | |
5413 | goto exit; | |
5414 | } | |
876b0e1c | 5415 | } else { |
50aa28fd | 5416 | unixctl_command_reply_error(conn, "Bad flow syntax"); |
abe529af BP |
5417 | goto exit; |
5418 | } | |
5419 | ||
50aa28fd AW |
5420 | /* Generate a packet, if requested. */ |
5421 | if (packet) { | |
5422 | if (!packet->size) { | |
5423 | flow_compose(packet, &flow); | |
5424 | } else { | |
4e022ec0 AW |
5425 | union flow_in_port in_port_; |
5426 | ||
5427 | in_port_ = flow.in_port; | |
50aa28fd AW |
5428 | ds_put_cstr(&result, "Packet: "); |
5429 | s = ofp_packet_to_string(packet->data, packet->size); | |
5430 | ds_put_cstr(&result, s); | |
5431 | free(s); | |
5432 | ||
5433 | /* Use the metadata from the flow and the packet argument | |
5434 | * to reconstruct the flow. */ | |
1362e248 | 5435 | flow_extract(packet, flow.skb_priority, flow.pkt_mark, NULL, |
4e022ec0 | 5436 | &in_port_, &flow); |
50aa28fd AW |
5437 | } |
5438 | } | |
5439 | ||
47b0deae | 5440 | ofproto_trace(ofproto, &flow, packet, &result); |
6a6455e5 EJ |
5441 | unixctl_command_reply(conn, ds_cstr(&result)); |
5442 | ||
5443 | exit: | |
5444 | ds_destroy(&result); | |
5445 | ofpbuf_delete(packet); | |
5446 | ofpbuf_uninit(&odp_key); | |
ea5e3887 | 5447 | ofpbuf_uninit(&odp_mask); |
6a6455e5 EJ |
5448 | } |
5449 | ||
ade6ad9c | 5450 | static void |
6a6455e5 | 5451 | ofproto_trace(struct ofproto_dpif *ofproto, const struct flow *flow, |
47b0deae | 5452 | const struct ofpbuf *packet, struct ds *ds) |
6a6455e5 EJ |
5453 | { |
5454 | struct rule_dpif *rule; | |
083f277e | 5455 | struct flow_wildcards wc; |
6a6455e5 EJ |
5456 | |
5457 | ds_put_cstr(ds, "Flow: "); | |
5458 | flow_format(ds, flow); | |
5459 | ds_put_char(ds, '\n'); | |
abe529af | 5460 | |
083f277e JG |
5461 | flow_wildcards_init_catchall(&wc); |
5462 | rule_dpif_lookup(ofproto, flow, &wc, &rule); | |
c57b2226 | 5463 | |
4d0acc70 | 5464 | trace_format_rule(ds, 0, rule); |
c57b2226 BP |
5465 | if (rule == ofproto->miss_rule) { |
5466 | ds_put_cstr(ds, "\nNo match, flow generates \"packet in\"s.\n"); | |
5467 | } else if (rule == ofproto->no_packet_in_rule) { | |
5468 | ds_put_cstr(ds, "\nNo match, packets dropped because " | |
5469 | "OFPPC_NO_PACKET_IN is set on in_port.\n"); | |
7fd51d39 BP |
5470 | } else if (rule == ofproto->drop_frags_rule) { |
5471 | ds_put_cstr(ds, "\nPackets dropped because they are IP fragments " | |
5472 | "and the fragment handling mode is \"drop\".\n"); | |
c57b2226 BP |
5473 | } |
5474 | ||
abe529af | 5475 | if (rule) { |
050ac423 BP |
5476 | uint64_t odp_actions_stub[1024 / 8]; |
5477 | struct ofpbuf odp_actions; | |
6a6455e5 | 5478 | struct trace_ctx trace; |
bcd2633a | 5479 | struct match match; |
0e553d9c | 5480 | uint8_t tcp_flags; |
abe529af | 5481 | |
6a6455e5 EJ |
5482 | tcp_flags = packet ? packet_get_tcp_flags(packet, flow) : 0; |
5483 | trace.result = ds; | |
5484 | trace.flow = *flow; | |
050ac423 BP |
5485 | ofpbuf_use_stub(&odp_actions, |
5486 | odp_actions_stub, sizeof odp_actions_stub); | |
47b0deae | 5487 | xlate_in_init(&trace.xin, ofproto, flow, rule, tcp_flags, packet); |
bbafd73b EJ |
5488 | trace.xin.resubmit_hook = trace_resubmit; |
5489 | trace.xin.report_hook = trace_report; | |
bcd2633a | 5490 | |
bbafd73b | 5491 | xlate_actions(&trace.xin, &trace.xout); |
083f277e | 5492 | flow_wildcards_or(&trace.xout.wc, &trace.xout.wc, &wc); |
abe529af | 5493 | |
6a6455e5 EJ |
5494 | ds_put_char(ds, '\n'); |
5495 | trace_format_flow(ds, 0, "Final flow", &trace); | |
bcd2633a JP |
5496 | |
5497 | match_init(&match, flow, &trace.xout.wc); | |
5498 | ds_put_cstr(ds, "Relevant fields: "); | |
5499 | match_format(&match, ds, OFP_DEFAULT_PRIORITY); | |
5500 | ds_put_char(ds, '\n'); | |
5501 | ||
6a6455e5 | 5502 | ds_put_cstr(ds, "Datapath actions: "); |
bbafd73b EJ |
5503 | format_odp_actions(ds, trace.xout.odp_actions.data, |
5504 | trace.xout.odp_actions.size); | |
876b0e1c | 5505 | |
bbafd73b | 5506 | if (trace.xout.slow) { |
6a7e895f BP |
5507 | ds_put_cstr(ds, "\nThis flow is handled by the userspace " |
5508 | "slow path because it:"); | |
bbafd73b | 5509 | switch (trace.xout.slow) { |
98f0520f EJ |
5510 | case SLOW_CFM: |
5511 | ds_put_cstr(ds, "\n\t- Consists of CFM packets."); | |
5512 | break; | |
5513 | case SLOW_LACP: | |
5514 | ds_put_cstr(ds, "\n\t- Consists of LACP packets."); | |
5515 | break; | |
5516 | case SLOW_STP: | |
5517 | ds_put_cstr(ds, "\n\t- Consists of STP packets."); | |
5518 | break; | |
5519 | case SLOW_BFD: | |
5520 | ds_put_cstr(ds, "\n\t- Consists of BFD packets."); | |
5521 | break; | |
5522 | case SLOW_CONTROLLER: | |
5523 | ds_put_cstr(ds, "\n\t- Sends \"packet-in\" messages " | |
5524 | "to the OpenFlow controller."); | |
5525 | break; | |
5526 | case __SLOW_MAX: | |
5527 | NOT_REACHED(); | |
6a7e895f | 5528 | } |
876b0e1c | 5529 | } |
bbafd73b EJ |
5530 | |
5531 | xlate_out_uninit(&trace.xout); | |
abe529af | 5532 | } |
ad3efdcb EJ |
5533 | |
5534 | rule_release(rule); | |
abe529af BP |
5535 | } |
5536 | ||
7ee20df1 | 5537 | static void |
0e15264f BP |
5538 | ofproto_dpif_clog(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED, |
5539 | const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED) | |
7ee20df1 BP |
5540 | { |
5541 | clogged = true; | |
bde9f75d | 5542 | unixctl_command_reply(conn, NULL); |
7ee20df1 BP |
5543 | } |
5544 | ||
5545 | static void | |
0e15264f BP |
5546 | ofproto_dpif_unclog(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED, |
5547 | const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED) | |
7ee20df1 BP |
5548 | { |
5549 | clogged = false; | |
bde9f75d | 5550 | unixctl_command_reply(conn, NULL); |
7ee20df1 BP |
5551 | } |
5552 | ||
6814e51f BP |
5553 | /* Runs a self-check of flow translations in 'ofproto'. Appends a message to |
5554 | * 'reply' describing the results. */ | |
5555 | static void | |
5556 | ofproto_dpif_self_check__(struct ofproto_dpif *ofproto, struct ds *reply) | |
5557 | { | |
bcd2633a | 5558 | struct cls_cursor cursor; |
6814e51f BP |
5559 | struct facet *facet; |
5560 | int errors; | |
5561 | ||
5562 | errors = 0; | |
0b4f2078 | 5563 | ovs_rwlock_rdlock(&ofproto->facets.rwlock); |
bcd2633a JP |
5564 | cls_cursor_init(&cursor, &ofproto->facets, NULL); |
5565 | CLS_CURSOR_FOR_EACH (facet, cr, &cursor) { | |
6814e51f BP |
5566 | if (!facet_check_consistency(facet)) { |
5567 | errors++; | |
5568 | } | |
5569 | } | |
0b4f2078 | 5570 | ovs_rwlock_unlock(&ofproto->facets.rwlock); |
6814e51f | 5571 | if (errors) { |
2cc3c58e | 5572 | ofproto->backer->need_revalidate = REV_INCONSISTENCY; |
6814e51f BP |
5573 | } |
5574 | ||
5575 | if (errors) { | |
5576 | ds_put_format(reply, "%s: self-check failed (%d errors)\n", | |
5577 | ofproto->up.name, errors); | |
5578 | } else { | |
5579 | ds_put_format(reply, "%s: self-check passed\n", ofproto->up.name); | |
5580 | } | |
5581 | } | |
5582 | ||
5583 | static void | |
5584 | ofproto_dpif_self_check(struct unixctl_conn *conn, | |
5585 | int argc, const char *argv[], void *aux OVS_UNUSED) | |
5586 | { | |
5587 | struct ds reply = DS_EMPTY_INITIALIZER; | |
5588 | struct ofproto_dpif *ofproto; | |
5589 | ||
5590 | if (argc > 1) { | |
5591 | ofproto = ofproto_dpif_lookup(argv[1]); | |
5592 | if (!ofproto) { | |
bde9f75d EJ |
5593 | unixctl_command_reply_error(conn, "Unknown ofproto (use " |
5594 | "ofproto/list for help)"); | |
6814e51f BP |
5595 | return; |
5596 | } | |
5597 | ofproto_dpif_self_check__(ofproto, &reply); | |
5598 | } else { | |
5599 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
5600 | ofproto_dpif_self_check__(ofproto, &reply); | |
5601 | } | |
5602 | } | |
5603 | ||
bde9f75d | 5604 | unixctl_command_reply(conn, ds_cstr(&reply)); |
6814e51f BP |
5605 | ds_destroy(&reply); |
5606 | } | |
5607 | ||
27022416 JP |
5608 | /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list |
5609 | * of the 'ofproto_shash' nodes. It is the responsibility of the caller | |
5610 | * to destroy 'ofproto_shash' and free the returned value. */ | |
5611 | static const struct shash_node ** | |
5612 | get_ofprotos(struct shash *ofproto_shash) | |
5613 | { | |
5614 | const struct ofproto_dpif *ofproto; | |
5615 | ||
5616 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
5617 | char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name); | |
5618 | shash_add_nocopy(ofproto_shash, name, ofproto); | |
5619 | } | |
5620 | ||
5621 | return shash_sort(ofproto_shash); | |
5622 | } | |
5623 | ||
5624 | static void | |
5625 | ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
5626 | const char *argv[] OVS_UNUSED, | |
5627 | void *aux OVS_UNUSED) | |
5628 | { | |
5629 | struct ds ds = DS_EMPTY_INITIALIZER; | |
5630 | struct shash ofproto_shash; | |
5631 | const struct shash_node **sorted_ofprotos; | |
5632 | int i; | |
5633 | ||
5634 | shash_init(&ofproto_shash); | |
5635 | sorted_ofprotos = get_ofprotos(&ofproto_shash); | |
5636 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
5637 | const struct shash_node *node = sorted_ofprotos[i]; | |
5638 | ds_put_format(&ds, "%s\n", node->name); | |
5639 | } | |
5640 | ||
5641 | shash_destroy(&ofproto_shash); | |
5642 | free(sorted_ofprotos); | |
5643 | ||
5644 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
5645 | ds_destroy(&ds); | |
5646 | } | |
5647 | ||
5648 | static void | |
dc54ef36 EJ |
5649 | show_dp_rates(struct ds *ds, const char *heading, |
5650 | const struct avg_subfacet_rates *rates) | |
5651 | { | |
5652 | ds_put_format(ds, "%s add rate: %5.3f/min, del rate: %5.3f/min\n", | |
5653 | heading, rates->add_rate, rates->del_rate); | |
5654 | } | |
5655 | ||
5656 | static void | |
5657 | dpif_show_backer(const struct dpif_backer *backer, struct ds *ds) | |
27022416 | 5658 | { |
dc54ef36 EJ |
5659 | const struct shash_node **ofprotos; |
5660 | struct ofproto_dpif *ofproto; | |
5661 | struct shash ofproto_shash; | |
09672174 | 5662 | uint64_t n_hit, n_missed; |
dc54ef36 | 5663 | long long int minutes; |
09672174 | 5664 | size_t i; |
655ab909 | 5665 | |
04d08d54 | 5666 | n_hit = n_missed = 0; |
dc54ef36 EJ |
5667 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { |
5668 | if (ofproto->backer == backer) { | |
dc54ef36 EJ |
5669 | n_missed += ofproto->n_missed; |
5670 | n_hit += ofproto->n_hit; | |
5671 | } | |
5672 | } | |
655ab909 | 5673 | |
dc54ef36 EJ |
5674 | ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n", |
5675 | dpif_name(backer->dpif), n_hit, n_missed); | |
5676 | ds_put_format(ds, "\tflows: cur: %zu, avg: %u, max: %u," | |
04d08d54 | 5677 | " life span: %lldms\n", hmap_count(&backer->subfacets), |
dc54ef36 EJ |
5678 | backer->avg_n_subfacet, backer->max_n_subfacet, |
5679 | backer->avg_subfacet_life); | |
5680 | ||
5681 | minutes = (time_msec() - backer->created) / (1000 * 60); | |
655ab909 | 5682 | if (minutes >= 60) { |
dc54ef36 | 5683 | show_dp_rates(ds, "\thourly avg:", &backer->hourly); |
655ab909 AZ |
5684 | } |
5685 | if (minutes >= 60 * 24) { | |
dc54ef36 | 5686 | show_dp_rates(ds, "\tdaily avg:", &backer->daily); |
655ab909 | 5687 | } |
dc54ef36 | 5688 | show_dp_rates(ds, "\toverall avg:", &backer->lifetime); |
27022416 | 5689 | |
dc54ef36 EJ |
5690 | shash_init(&ofproto_shash); |
5691 | ofprotos = get_ofprotos(&ofproto_shash); | |
5692 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
5693 | struct ofproto_dpif *ofproto = ofprotos[i]->data; | |
5694 | const struct shash_node **ports; | |
5695 | size_t j; | |
0a740f48 | 5696 | |
dc54ef36 EJ |
5697 | if (ofproto->backer != backer) { |
5698 | continue; | |
0a740f48 | 5699 | } |
27022416 | 5700 | |
dc54ef36 EJ |
5701 | ds_put_format(ds, "\t%s: hit:%"PRIu64" missed:%"PRIu64"\n", |
5702 | ofproto->up.name, ofproto->n_hit, ofproto->n_missed); | |
5703 | ||
5704 | ports = shash_sort(&ofproto->up.port_by_name); | |
5705 | for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) { | |
5706 | const struct shash_node *node = ports[j]; | |
5707 | struct ofport *ofport = node->data; | |
5708 | struct smap config; | |
4e022ec0 | 5709 | odp_port_t odp_port; |
27022416 | 5710 | |
dc54ef36 EJ |
5711 | ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev), |
5712 | ofport->ofp_port); | |
27022416 | 5713 | |
dc54ef36 | 5714 | odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port); |
4e022ec0 | 5715 | if (odp_port != ODPP_NONE) { |
dc54ef36 EJ |
5716 | ds_put_format(ds, "%"PRIu32":", odp_port); |
5717 | } else { | |
5718 | ds_put_cstr(ds, "none:"); | |
5719 | } | |
27022416 | 5720 | |
dc54ef36 | 5721 | ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev)); |
27022416 | 5722 | |
dc54ef36 EJ |
5723 | smap_init(&config); |
5724 | if (!netdev_get_config(ofport->netdev, &config)) { | |
5725 | const struct smap_node **nodes; | |
5726 | size_t i; | |
27022416 | 5727 | |
dc54ef36 EJ |
5728 | nodes = smap_sort(&config); |
5729 | for (i = 0; i < smap_count(&config); i++) { | |
5730 | const struct smap_node *node = nodes[i]; | |
5731 | ds_put_format(ds, "%c %s=%s", i ? ',' : ':', | |
5732 | node->key, node->value); | |
5733 | } | |
5734 | free(nodes); | |
27022416 | 5735 | } |
dc54ef36 EJ |
5736 | smap_destroy(&config); |
5737 | ||
27022416 | 5738 | ds_put_char(ds, ')'); |
dc54ef36 | 5739 | ds_put_char(ds, '\n'); |
27022416 | 5740 | } |
dc54ef36 | 5741 | free(ports); |
27022416 | 5742 | } |
dc54ef36 EJ |
5743 | shash_destroy(&ofproto_shash); |
5744 | free(ofprotos); | |
27022416 JP |
5745 | } |
5746 | ||
5747 | static void | |
dc54ef36 EJ |
5748 | ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
5749 | const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED) | |
27022416 JP |
5750 | { |
5751 | struct ds ds = DS_EMPTY_INITIALIZER; | |
dc54ef36 EJ |
5752 | const struct shash_node **backers; |
5753 | int i; | |
27022416 | 5754 | |
dc54ef36 EJ |
5755 | backers = shash_sort(&all_dpif_backers); |
5756 | for (i = 0; i < shash_count(&all_dpif_backers); i++) { | |
5757 | dpif_show_backer(backers[i]->data, &ds); | |
27022416 | 5758 | } |
dc54ef36 | 5759 | free(backers); |
27022416 JP |
5760 | |
5761 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
5762 | ds_destroy(&ds); | |
5763 | } | |
5764 | ||
bcd2633a JP |
5765 | /* Dump the megaflow (facet) cache. This is useful to check the |
5766 | * correctness of flow wildcarding, since the same mechanism is used for | |
5767 | * both xlate caching and kernel wildcarding. | |
5768 | * | |
5769 | * It's important to note that in the output the flow description uses | |
5770 | * OpenFlow (OFP) ports, but the actions use datapath (ODP) ports. | |
5771 | * | |
5772 | * This command is only needed for advanced debugging, so it's not | |
5773 | * documented in the man page. */ | |
5774 | static void | |
5775 | ofproto_unixctl_dpif_dump_megaflows(struct unixctl_conn *conn, | |
5776 | int argc OVS_UNUSED, const char *argv[], | |
5777 | void *aux OVS_UNUSED) | |
5778 | { | |
5779 | struct ds ds = DS_EMPTY_INITIALIZER; | |
5780 | const struct ofproto_dpif *ofproto; | |
5781 | long long int now = time_msec(); | |
5782 | struct cls_cursor cursor; | |
5783 | struct facet *facet; | |
5784 | ||
5785 | ofproto = ofproto_dpif_lookup(argv[1]); | |
5786 | if (!ofproto) { | |
5787 | unixctl_command_reply_error(conn, "no such bridge"); | |
5788 | return; | |
5789 | } | |
5790 | ||
0b4f2078 | 5791 | ovs_rwlock_rdlock(&ofproto->facets.rwlock); |
bcd2633a JP |
5792 | cls_cursor_init(&cursor, &ofproto->facets, NULL); |
5793 | CLS_CURSOR_FOR_EACH (facet, cr, &cursor) { | |
5794 | cls_rule_format(&facet->cr, &ds); | |
5795 | ds_put_cstr(&ds, ", "); | |
7ee9e841 | 5796 | ds_put_format(&ds, "n_subfacets:%zu, ", list_size(&facet->subfacets)); |
bcd2633a JP |
5797 | ds_put_format(&ds, "used:%.3fs, ", (now - facet->used) / 1000.0); |
5798 | ds_put_cstr(&ds, "Datapath actions: "); | |
8ecafa3e JP |
5799 | if (facet->xout.slow) { |
5800 | uint64_t slow_path_stub[128 / 8]; | |
5801 | const struct nlattr *actions; | |
5802 | size_t actions_len; | |
5803 | ||
5804 | compose_slow_path(ofproto, &facet->flow, facet->xout.slow, | |
5805 | slow_path_stub, sizeof slow_path_stub, | |
5806 | &actions, &actions_len); | |
5807 | format_odp_actions(&ds, actions, actions_len); | |
5808 | } else { | |
5809 | format_odp_actions(&ds, facet->xout.odp_actions.data, | |
5810 | facet->xout.odp_actions.size); | |
5811 | } | |
bcd2633a JP |
5812 | ds_put_cstr(&ds, "\n"); |
5813 | } | |
0b4f2078 | 5814 | ovs_rwlock_unlock(&ofproto->facets.rwlock); |
bcd2633a JP |
5815 | |
5816 | ds_chomp(&ds, '\n'); | |
5817 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
5818 | ds_destroy(&ds); | |
5819 | } | |
5820 | ||
6b35e630 JP |
5821 | /* Disable using the megaflows. |
5822 | * | |
5823 | * This command is only needed for advanced debugging, so it's not | |
5824 | * documented in the man page. */ | |
5825 | static void | |
5826 | ofproto_unixctl_dpif_disable_megaflows(struct unixctl_conn *conn, | |
5827 | int argc OVS_UNUSED, | |
5828 | const char *argv[] OVS_UNUSED, | |
5829 | void *aux OVS_UNUSED) | |
5830 | { | |
5831 | struct ofproto_dpif *ofproto; | |
5832 | ||
5833 | enable_megaflows = false; | |
5834 | ||
5835 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
5836 | flush(&ofproto->up); | |
5837 | } | |
5838 | ||
5839 | unixctl_command_reply(conn, "megaflows disabled"); | |
5840 | } | |
5841 | ||
5842 | /* Re-enable using megaflows. | |
5843 | * | |
5844 | * This command is only needed for advanced debugging, so it's not | |
5845 | * documented in the man page. */ | |
5846 | static void | |
5847 | ofproto_unixctl_dpif_enable_megaflows(struct unixctl_conn *conn, | |
5848 | int argc OVS_UNUSED, | |
5849 | const char *argv[] OVS_UNUSED, | |
5850 | void *aux OVS_UNUSED) | |
5851 | { | |
5852 | struct ofproto_dpif *ofproto; | |
5853 | ||
5854 | enable_megaflows = true; | |
5855 | ||
5856 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
5857 | flush(&ofproto->up); | |
5858 | } | |
5859 | ||
5860 | unixctl_command_reply(conn, "megaflows enabled"); | |
5861 | } | |
5862 | ||
27022416 JP |
5863 | static void |
5864 | ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn, | |
5865 | int argc OVS_UNUSED, const char *argv[], | |
5866 | void *aux OVS_UNUSED) | |
5867 | { | |
5868 | struct ds ds = DS_EMPTY_INITIALIZER; | |
5869 | const struct ofproto_dpif *ofproto; | |
5870 | struct subfacet *subfacet; | |
5871 | ||
5872 | ofproto = ofproto_dpif_lookup(argv[1]); | |
5873 | if (!ofproto) { | |
5874 | unixctl_command_reply_error(conn, "no such bridge"); | |
5875 | return; | |
5876 | } | |
5877 | ||
af37354d EJ |
5878 | update_stats(ofproto->backer); |
5879 | ||
04d08d54 | 5880 | HMAP_FOR_EACH (subfacet, hmap_node, &ofproto->backer->subfacets) { |
4dff9097 | 5881 | struct facet *facet = subfacet->facet; |
64f9cb76 JP |
5882 | struct odputil_keybuf maskbuf; |
5883 | struct ofpbuf mask; | |
4dff9097 | 5884 | |
b7e2f6b3 | 5885 | if (facet->ofproto != ofproto) { |
04d08d54 EJ |
5886 | continue; |
5887 | } | |
5888 | ||
64f9cb76 JP |
5889 | ofpbuf_use_stack(&mask, &maskbuf, sizeof maskbuf); |
5890 | if (enable_megaflows) { | |
5891 | odp_flow_key_from_mask(&mask, &facet->xout.wc.masks, | |
5892 | &facet->flow, UINT32_MAX); | |
5893 | } | |
5894 | ||
5895 | odp_flow_format(subfacet->key, subfacet->key_len, | |
041e7168 | 5896 | mask.data, mask.size, &ds, false); |
27022416 JP |
5897 | |
5898 | ds_put_format(&ds, ", packets:%"PRIu64", bytes:%"PRIu64", used:", | |
5899 | subfacet->dp_packet_count, subfacet->dp_byte_count); | |
5900 | if (subfacet->used) { | |
5901 | ds_put_format(&ds, "%.3fs", | |
5902 | (time_msec() - subfacet->used) / 1000.0); | |
5903 | } else { | |
5904 | ds_put_format(&ds, "never"); | |
5905 | } | |
5906 | if (subfacet->facet->tcp_flags) { | |
5907 | ds_put_cstr(&ds, ", flags:"); | |
5908 | packet_format_tcp_flags(&ds, subfacet->facet->tcp_flags); | |
5909 | } | |
5910 | ||
5911 | ds_put_cstr(&ds, ", actions:"); | |
bbafd73b | 5912 | if (facet->xout.slow) { |
f2245da3 JP |
5913 | uint64_t slow_path_stub[128 / 8]; |
5914 | const struct nlattr *actions; | |
5915 | size_t actions_len; | |
5916 | ||
bbafd73b | 5917 | compose_slow_path(ofproto, &facet->flow, facet->xout.slow, |
f2245da3 JP |
5918 | slow_path_stub, sizeof slow_path_stub, |
5919 | &actions, &actions_len); | |
5920 | format_odp_actions(&ds, actions, actions_len); | |
5921 | } else { | |
bbafd73b EJ |
5922 | format_odp_actions(&ds, facet->xout.odp_actions.data, |
5923 | facet->xout.odp_actions.size); | |
f2245da3 | 5924 | } |
27022416 JP |
5925 | ds_put_char(&ds, '\n'); |
5926 | } | |
5927 | ||
5928 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
5929 | ds_destroy(&ds); | |
5930 | } | |
5931 | ||
5932 | static void | |
5933 | ofproto_unixctl_dpif_del_flows(struct unixctl_conn *conn, | |
5934 | int argc OVS_UNUSED, const char *argv[], | |
5935 | void *aux OVS_UNUSED) | |
5936 | { | |
5937 | struct ds ds = DS_EMPTY_INITIALIZER; | |
5938 | struct ofproto_dpif *ofproto; | |
5939 | ||
5940 | ofproto = ofproto_dpif_lookup(argv[1]); | |
5941 | if (!ofproto) { | |
5942 | unixctl_command_reply_error(conn, "no such bridge"); | |
5943 | return; | |
5944 | } | |
5945 | ||
5946 | flush(&ofproto->up); | |
5947 | ||
5948 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
5949 | ds_destroy(&ds); | |
5950 | } | |
5951 | ||
abe529af BP |
5952 | static void |
5953 | ofproto_dpif_unixctl_init(void) | |
5954 | { | |
5955 | static bool registered; | |
5956 | if (registered) { | |
5957 | return; | |
5958 | } | |
5959 | registered = true; | |
5960 | ||
0e15264f BP |
5961 | unixctl_command_register( |
5962 | "ofproto/trace", | |
50aa28fd AW |
5963 | "[dp_name]|bridge odp_flow|br_flow [-generate|packet]", |
5964 | 1, 3, ofproto_unixctl_trace, NULL); | |
96e466a3 | 5965 | unixctl_command_register("fdb/flush", "[bridge]", 0, 1, |
0e15264f BP |
5966 | ofproto_unixctl_fdb_flush, NULL); |
5967 | unixctl_command_register("fdb/show", "bridge", 1, 1, | |
5968 | ofproto_unixctl_fdb_show, NULL); | |
5969 | unixctl_command_register("ofproto/clog", "", 0, 0, | |
5970 | ofproto_dpif_clog, NULL); | |
5971 | unixctl_command_register("ofproto/unclog", "", 0, 0, | |
5972 | ofproto_dpif_unclog, NULL); | |
6814e51f BP |
5973 | unixctl_command_register("ofproto/self-check", "[bridge]", 0, 1, |
5974 | ofproto_dpif_self_check, NULL); | |
27022416 JP |
5975 | unixctl_command_register("dpif/dump-dps", "", 0, 0, |
5976 | ofproto_unixctl_dpif_dump_dps, NULL); | |
dc54ef36 EJ |
5977 | unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show, |
5978 | NULL); | |
27022416 JP |
5979 | unixctl_command_register("dpif/dump-flows", "bridge", 1, 1, |
5980 | ofproto_unixctl_dpif_dump_flows, NULL); | |
5981 | unixctl_command_register("dpif/del-flows", "bridge", 1, 1, | |
5982 | ofproto_unixctl_dpif_del_flows, NULL); | |
bcd2633a JP |
5983 | unixctl_command_register("dpif/dump-megaflows", "bridge", 1, 1, |
5984 | ofproto_unixctl_dpif_dump_megaflows, NULL); | |
6b35e630 JP |
5985 | unixctl_command_register("dpif/disable-megaflows", "", 0, 0, |
5986 | ofproto_unixctl_dpif_disable_megaflows, NULL); | |
5987 | unixctl_command_register("dpif/enable-megaflows", "", 0, 0, | |
5988 | ofproto_unixctl_dpif_enable_megaflows, NULL); | |
abe529af BP |
5989 | } |
5990 | \f | |
52a90c29 BP |
5991 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
5992 | * | |
5993 | * This is deprecated. It is only for compatibility with broken device drivers | |
5994 | * in old versions of Linux that do not properly support VLANs when VLAN | |
5995 | * devices are not used. When broken device drivers are no longer in | |
5996 | * widespread use, we will delete these interfaces. */ | |
5997 | ||
5998 | static int | |
4e022ec0 | 5999 | set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
6000 | { |
6001 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
6002 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
6003 | ||
6004 | if (realdev_ofp_port == ofport->realdev_ofp_port | |
6005 | && vid == ofport->vlandev_vid) { | |
6006 | return 0; | |
6007 | } | |
6008 | ||
2cc3c58e | 6009 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
52a90c29 BP |
6010 | |
6011 | if (ofport->realdev_ofp_port) { | |
6012 | vsp_remove(ofport); | |
6013 | } | |
6014 | if (realdev_ofp_port && ofport->bundle) { | |
6015 | /* vlandevs are enslaved to their realdevs, so they are not allowed to | |
6016 | * themselves be part of a bundle. */ | |
6017 | bundle_set(ofport->up.ofproto, ofport->bundle, NULL); | |
6018 | } | |
6019 | ||
6020 | ofport->realdev_ofp_port = realdev_ofp_port; | |
6021 | ofport->vlandev_vid = vid; | |
6022 | ||
6023 | if (realdev_ofp_port) { | |
6024 | vsp_add(ofport, realdev_ofp_port, vid); | |
6025 | } | |
6026 | ||
6027 | return 0; | |
6028 | } | |
6029 | ||
6030 | static uint32_t | |
4e022ec0 | 6031 | hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid) |
52a90c29 | 6032 | { |
4e022ec0 | 6033 | return hash_2words(ofp_to_u16(realdev_ofp_port), vid); |
52a90c29 BP |
6034 | } |
6035 | ||
46c88433 EJ |
6036 | bool |
6037 | ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto) | |
13501305 | 6038 | OVS_EXCLUDED(ofproto->vsp_mutex) |
46c88433 | 6039 | { |
13501305 EJ |
6040 | bool ret; |
6041 | ||
6042 | ovs_mutex_lock(&ofproto->vsp_mutex); | |
6043 | ret = !hmap_is_empty(&ofproto->realdev_vid_map); | |
6044 | ovs_mutex_unlock(&ofproto->vsp_mutex); | |
6045 | return ret; | |
46c88433 EJ |
6046 | } |
6047 | ||
13501305 EJ |
6048 | static ofp_port_t |
6049 | vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto, | |
6050 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
6051 | OVS_REQUIRES(ofproto->vsp_mutex) | |
52a90c29 BP |
6052 | { |
6053 | if (!hmap_is_empty(&ofproto->realdev_vid_map)) { | |
52a90c29 BP |
6054 | int vid = vlan_tci_to_vid(vlan_tci); |
6055 | const struct vlan_splinter *vsp; | |
6056 | ||
6057 | HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node, | |
6058 | hash_realdev_vid(realdev_ofp_port, vid), | |
6059 | &ofproto->realdev_vid_map) { | |
6060 | if (vsp->realdev_ofp_port == realdev_ofp_port | |
6061 | && vsp->vid == vid) { | |
deea1200 | 6062 | return vsp->vlandev_ofp_port; |
52a90c29 BP |
6063 | } |
6064 | } | |
6065 | } | |
deea1200 | 6066 | return realdev_ofp_port; |
52a90c29 BP |
6067 | } |
6068 | ||
13501305 EJ |
6069 | /* Returns the OFP port number of the Linux VLAN device that corresponds to |
6070 | * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in | |
6071 | * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and | |
6072 | * 'vlan_tci' 9, it would return the port number of eth0.9. | |
6073 | * | |
6074 | * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this | |
6075 | * function just returns its 'realdev_ofp_port' argument. */ | |
6076 | ofp_port_t | |
6077 | vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto, | |
6078 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
6079 | OVS_EXCLUDED(ofproto->vsp_mutex) | |
6080 | { | |
6081 | ofp_port_t ret; | |
6082 | ||
6083 | ovs_mutex_lock(&ofproto->vsp_mutex); | |
6084 | ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci); | |
6085 | ovs_mutex_unlock(&ofproto->vsp_mutex); | |
6086 | return ret; | |
6087 | } | |
6088 | ||
52a90c29 | 6089 | static struct vlan_splinter * |
4e022ec0 | 6090 | vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port) |
52a90c29 BP |
6091 | { |
6092 | struct vlan_splinter *vsp; | |
6093 | ||
4e022ec0 | 6094 | HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node, |
f9c0c3ec | 6095 | hash_ofp_port(vlandev_ofp_port), |
52a90c29 BP |
6096 | &ofproto->vlandev_map) { |
6097 | if (vsp->vlandev_ofp_port == vlandev_ofp_port) { | |
6098 | return vsp; | |
6099 | } | |
6100 | } | |
6101 | ||
6102 | return NULL; | |
6103 | } | |
6104 | ||
40e05935 BP |
6105 | /* Returns the OpenFlow port number of the "real" device underlying the Linux |
6106 | * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the | |
6107 | * VLAN VID of the Linux VLAN device in '*vid'. For example, given | |
6108 | * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of | |
6109 | * eth0 and store 9 in '*vid'. | |
6110 | * | |
6111 | * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux | |
6112 | * VLAN device. Unless VLAN splinters are enabled, this is what this function | |
6113 | * always does.*/ | |
4e022ec0 | 6114 | static ofp_port_t |
52a90c29 | 6115 | vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto, |
4e022ec0 | 6116 | ofp_port_t vlandev_ofp_port, int *vid) |
bd3950dd | 6117 | OVS_REQUIRES(ofproto->vsp_mutex) |
52a90c29 BP |
6118 | { |
6119 | if (!hmap_is_empty(&ofproto->vlandev_map)) { | |
6120 | const struct vlan_splinter *vsp; | |
6121 | ||
6122 | vsp = vlandev_find(ofproto, vlandev_ofp_port); | |
6123 | if (vsp) { | |
6124 | if (vid) { | |
6125 | *vid = vsp->vid; | |
6126 | } | |
6127 | return vsp->realdev_ofp_port; | |
6128 | } | |
6129 | } | |
6130 | return 0; | |
6131 | } | |
6132 | ||
b98d8985 BP |
6133 | /* Given 'flow', a flow representing a packet received on 'ofproto', checks |
6134 | * whether 'flow->in_port' represents a Linux VLAN device. If so, changes | |
6135 | * 'flow->in_port' to the "real" device backing the VLAN device, sets | |
6136 | * 'flow->vlan_tci' to the VLAN VID, and returns true. Otherwise (which is | |
6137 | * always the case unless VLAN splinters are enabled), returns false without | |
6138 | * making any changes. */ | |
8449c4d6 | 6139 | bool |
b98d8985 | 6140 | vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow) |
13501305 | 6141 | OVS_EXCLUDED(ofproto->vsp_mutex) |
b98d8985 | 6142 | { |
4e022ec0 | 6143 | ofp_port_t realdev; |
b98d8985 BP |
6144 | int vid; |
6145 | ||
13501305 | 6146 | ovs_mutex_lock(&ofproto->vsp_mutex); |
4e022ec0 | 6147 | realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid); |
13501305 | 6148 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
b98d8985 BP |
6149 | if (!realdev) { |
6150 | return false; | |
6151 | } | |
6152 | ||
6153 | /* Cause the flow to be processed as if it came in on the real device with | |
6154 | * the VLAN device's VLAN ID. */ | |
4e022ec0 | 6155 | flow->in_port.ofp_port = realdev; |
b98d8985 BP |
6156 | flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI); |
6157 | return true; | |
6158 | } | |
6159 | ||
52a90c29 BP |
6160 | static void |
6161 | vsp_remove(struct ofport_dpif *port) | |
6162 | { | |
6163 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
6164 | struct vlan_splinter *vsp; | |
6165 | ||
13501305 | 6166 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 BP |
6167 | vsp = vlandev_find(ofproto, port->up.ofp_port); |
6168 | if (vsp) { | |
6169 | hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node); | |
6170 | hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node); | |
6171 | free(vsp); | |
6172 | ||
6173 | port->realdev_ofp_port = 0; | |
6174 | } else { | |
6175 | VLOG_ERR("missing vlan device record"); | |
6176 | } | |
13501305 | 6177 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 BP |
6178 | } |
6179 | ||
6180 | static void | |
4e022ec0 | 6181 | vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
6182 | { |
6183 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
6184 | ||
13501305 | 6185 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 | 6186 | if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL) |
13501305 | 6187 | && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid)) |
52a90c29 BP |
6188 | == realdev_ofp_port)) { |
6189 | struct vlan_splinter *vsp; | |
6190 | ||
6191 | vsp = xmalloc(sizeof *vsp); | |
52a90c29 BP |
6192 | vsp->realdev_ofp_port = realdev_ofp_port; |
6193 | vsp->vlandev_ofp_port = port->up.ofp_port; | |
6194 | vsp->vid = vid; | |
6195 | ||
6196 | port->realdev_ofp_port = realdev_ofp_port; | |
13501305 EJ |
6197 | |
6198 | hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node, | |
6199 | hash_ofp_port(port->up.ofp_port)); | |
6200 | hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node, | |
6201 | hash_realdev_vid(realdev_ofp_port, vid)); | |
52a90c29 BP |
6202 | } else { |
6203 | VLOG_ERR("duplicate vlan device record"); | |
6204 | } | |
13501305 | 6205 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 | 6206 | } |
e1b1d06a | 6207 | |
46c88433 | 6208 | static odp_port_t |
4e022ec0 | 6209 | ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
e1b1d06a JP |
6210 | { |
6211 | const struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); | |
4e022ec0 | 6212 | return ofport ? ofport->odp_port : ODPP_NONE; |
e1b1d06a JP |
6213 | } |
6214 | ||
8449c4d6 | 6215 | struct ofport_dpif * |
4e022ec0 | 6216 | odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port) |
e1b1d06a JP |
6217 | { |
6218 | struct ofport_dpif *port; | |
6219 | ||
8449c4d6 | 6220 | ovs_rwlock_rdlock(&backer->odp_to_ofport_lock); |
f9c0c3ec | 6221 | HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port), |
acf60855 | 6222 | &backer->odp_to_ofport_map) { |
e1b1d06a | 6223 | if (port->odp_port == odp_port) { |
8449c4d6 | 6224 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 | 6225 | return port; |
e1b1d06a JP |
6226 | } |
6227 | } | |
6228 | ||
8449c4d6 | 6229 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 JP |
6230 | return NULL; |
6231 | } | |
6232 | ||
4e022ec0 AW |
6233 | static ofp_port_t |
6234 | odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port) | |
acf60855 JP |
6235 | { |
6236 | struct ofport_dpif *port; | |
6237 | ||
6238 | port = odp_port_to_ofport(ofproto->backer, odp_port); | |
6472ba11 | 6239 | if (port && &ofproto->up == port->up.ofproto) { |
acf60855 JP |
6240 | return port->up.ofp_port; |
6241 | } else { | |
6242 | return OFPP_NONE; | |
6243 | } | |
e1b1d06a | 6244 | } |
655ab909 | 6245 | |
655ab909 AZ |
6246 | /* Compute exponentially weighted moving average, adding 'new' as the newest, |
6247 | * most heavily weighted element. 'base' designates the rate of decay: after | |
6248 | * 'base' further updates, 'new''s weight in the EWMA decays to about 1/e | |
6249 | * (about .37). */ | |
6250 | static void | |
6251 | exp_mavg(double *avg, int base, double new) | |
6252 | { | |
6253 | *avg = (*avg * (base - 1) + new) / base; | |
6254 | } | |
6255 | ||
6256 | static void | |
dc54ef36 | 6257 | update_moving_averages(struct dpif_backer *backer) |
655ab909 AZ |
6258 | { |
6259 | const int min_ms = 60 * 1000; /* milliseconds in one minute. */ | |
dc54ef36 EJ |
6260 | long long int minutes = (time_msec() - backer->created) / min_ms; |
6261 | ||
6262 | if (minutes > 0) { | |
6263 | backer->lifetime.add_rate = (double) backer->total_subfacet_add_count | |
6264 | / minutes; | |
6265 | backer->lifetime.del_rate = (double) backer->total_subfacet_del_count | |
6266 | / minutes; | |
6267 | } else { | |
6268 | backer->lifetime.add_rate = 0.0; | |
6269 | backer->lifetime.del_rate = 0.0; | |
6270 | } | |
655ab909 AZ |
6271 | |
6272 | /* Update hourly averages on the minute boundaries. */ | |
dc54ef36 EJ |
6273 | if (time_msec() - backer->last_minute >= min_ms) { |
6274 | exp_mavg(&backer->hourly.add_rate, 60, backer->subfacet_add_count); | |
6275 | exp_mavg(&backer->hourly.del_rate, 60, backer->subfacet_del_count); | |
655ab909 AZ |
6276 | |
6277 | /* Update daily averages on the hour boundaries. */ | |
dc54ef36 EJ |
6278 | if ((backer->last_minute - backer->created) / min_ms % 60 == 59) { |
6279 | exp_mavg(&backer->daily.add_rate, 24, backer->hourly.add_rate); | |
6280 | exp_mavg(&backer->daily.del_rate, 24, backer->hourly.del_rate); | |
655ab909 AZ |
6281 | } |
6282 | ||
dc54ef36 EJ |
6283 | backer->total_subfacet_add_count += backer->subfacet_add_count; |
6284 | backer->total_subfacet_del_count += backer->subfacet_del_count; | |
6285 | backer->subfacet_add_count = 0; | |
6286 | backer->subfacet_del_count = 0; | |
6287 | backer->last_minute += min_ms; | |
655ab909 AZ |
6288 | } |
6289 | } | |
e1b1d06a | 6290 | |
abe529af | 6291 | const struct ofproto_class ofproto_dpif_class = { |
b0408fca | 6292 | init, |
abe529af BP |
6293 | enumerate_types, |
6294 | enumerate_names, | |
6295 | del, | |
0aeaabc8 | 6296 | port_open_type, |
acf60855 JP |
6297 | type_run, |
6298 | type_run_fast, | |
6299 | type_wait, | |
abe529af BP |
6300 | alloc, |
6301 | construct, | |
6302 | destruct, | |
6303 | dealloc, | |
6304 | run, | |
5fcc0d00 | 6305 | run_fast, |
abe529af | 6306 | wait, |
0d085684 | 6307 | get_memory_usage, |
abe529af | 6308 | flush, |
6c1491fb BP |
6309 | get_features, |
6310 | get_tables, | |
abe529af BP |
6311 | port_alloc, |
6312 | port_construct, | |
6313 | port_destruct, | |
6314 | port_dealloc, | |
6315 | port_modified, | |
6316 | port_reconfigured, | |
6317 | port_query_by_name, | |
6318 | port_add, | |
6319 | port_del, | |
6527c598 | 6320 | port_get_stats, |
abe529af BP |
6321 | port_dump_start, |
6322 | port_dump_next, | |
6323 | port_dump_done, | |
6324 | port_poll, | |
6325 | port_poll_wait, | |
6326 | port_is_lacp_current, | |
0ab6decf | 6327 | NULL, /* rule_choose_table */ |
abe529af BP |
6328 | rule_alloc, |
6329 | rule_construct, | |
6330 | rule_destruct, | |
6331 | rule_dealloc, | |
abe529af BP |
6332 | rule_get_stats, |
6333 | rule_execute, | |
6334 | rule_modify_actions, | |
7257b535 | 6335 | set_frag_handling, |
abe529af BP |
6336 | packet_out, |
6337 | set_netflow, | |
6338 | get_netflow_ids, | |
6339 | set_sflow, | |
29089a54 | 6340 | set_ipfix, |
abe529af | 6341 | set_cfm, |
9a9e3786 | 6342 | get_cfm_status, |
ccc09689 EJ |
6343 | set_bfd, |
6344 | get_bfd_status, | |
21f7563c JP |
6345 | set_stp, |
6346 | get_stp_status, | |
6347 | set_stp_port, | |
6348 | get_stp_port_status, | |
8b36f51e | 6349 | set_queues, |
abe529af BP |
6350 | bundle_set, |
6351 | bundle_remove, | |
ec7ceaed EJ |
6352 | mirror_set__, |
6353 | mirror_get_stats__, | |
abe529af BP |
6354 | set_flood_vlans, |
6355 | is_mirror_output_bundle, | |
8402c74b | 6356 | forward_bpdu_changed, |
c4069512 | 6357 | set_mac_table_config, |
52a90c29 | 6358 | set_realdev, |
9cae45dc JR |
6359 | NULL, /* meter_get_features */ |
6360 | NULL, /* meter_set */ | |
6361 | NULL, /* meter_get */ | |
6362 | NULL, /* meter_del */ | |
abe529af | 6363 | }; |