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abe529af | 1 | /* |
0934ebba | 2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 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 | 27 | #include "byte-order.h" |
f23d157c | 28 | #include "connectivity.h" |
abe529af BP |
29 | #include "connmgr.h" |
30 | #include "coverage.h" | |
31 | #include "cfm.h" | |
32 | #include "dpif.h" | |
33 | #include "dynamic-string.h" | |
34 | #include "fail-open.h" | |
05067881 | 35 | #include "guarded-list.h" |
abe529af BP |
36 | #include "hmapx.h" |
37 | #include "lacp.h" | |
75a75043 | 38 | #include "learn.h" |
abe529af | 39 | #include "mac-learning.h" |
816fd533 | 40 | #include "meta-flow.h" |
abe529af | 41 | #include "multipath.h" |
0a740f48 | 42 | #include "netdev-vport.h" |
abe529af BP |
43 | #include "netdev.h" |
44 | #include "netlink.h" | |
45 | #include "nx-match.h" | |
46 | #include "odp-util.h" | |
1ac7c9bd | 47 | #include "odp-execute.h" |
abe529af BP |
48 | #include "ofp-util.h" |
49 | #include "ofpbuf.h" | |
f25d0cf3 | 50 | #include "ofp-actions.h" |
31a19d69 | 51 | #include "ofp-parse.h" |
abe529af | 52 | #include "ofp-print.h" |
29089a54 | 53 | #include "ofproto-dpif-ipfix.h" |
ec7ceaed | 54 | #include "ofproto-dpif-mirror.h" |
635c5db9 | 55 | #include "ofproto-dpif-monitor.h" |
f5374617 | 56 | #include "ofproto-dpif-rid.h" |
bae473fe | 57 | #include "ofproto-dpif-sflow.h" |
e1ec7dd4 | 58 | #include "ofproto-dpif-upcall.h" |
9583bc14 | 59 | #include "ofproto-dpif-xlate.h" |
abe529af | 60 | #include "poll-loop.h" |
f23d157c | 61 | #include "seq.h" |
0d085684 | 62 | #include "simap.h" |
27022416 | 63 | #include "smap.h" |
abe529af | 64 | #include "timer.h" |
b9ad7294 | 65 | #include "tunnel.h" |
6c1491fb | 66 | #include "unaligned.h" |
abe529af BP |
67 | #include "unixctl.h" |
68 | #include "vlan-bitmap.h" | |
69 | #include "vlog.h" | |
70 | ||
71 | VLOG_DEFINE_THIS_MODULE(ofproto_dpif); | |
72 | ||
abe529af | 73 | COVERAGE_DEFINE(ofproto_dpif_expired); |
ada3a58d | 74 | COVERAGE_DEFINE(packet_in_overflow); |
abe529af | 75 | |
46c88433 EJ |
76 | /* Number of implemented OpenFlow tables. */ |
77 | enum { N_TABLES = 255 }; | |
78 | enum { TBL_INTERNAL = N_TABLES - 1 }; /* Used for internal hidden rules. */ | |
79 | BUILD_ASSERT_DECL(N_TABLES >= 2 && N_TABLES <= 255); | |
80 | ||
a088a1ff | 81 | struct flow_miss; |
abe529af | 82 | |
70742c7f EJ |
83 | struct rule_dpif { |
84 | struct rule up; | |
85 | ||
86 | /* These statistics: | |
87 | * | |
e79a6c83 EJ |
88 | * - Do include packets and bytes from datapath flows which have not |
89 | * recently been processed by a revalidator. */ | |
70742c7f | 90 | struct ovs_mutex stats_mutex; |
1a4ec18d | 91 | struct dpif_flow_stats stats OVS_GUARDED; |
70742c7f EJ |
92 | }; |
93 | ||
dc437090 JR |
94 | static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes, |
95 | long long int *used); | |
70742c7f | 96 | static struct rule_dpif *rule_dpif_cast(const struct rule *); |
e79a6c83 | 97 | static void rule_expire(struct rule_dpif *); |
b0f7b9b5 | 98 | |
00430a3f SH |
99 | struct group_dpif { |
100 | struct ofgroup up; | |
101 | ||
102 | /* These statistics: | |
103 | * | |
e79a6c83 EJ |
104 | * - Do include packets and bytes from datapath flows which have not |
105 | * recently been processed by a revalidator. */ | |
00430a3f SH |
106 | struct ovs_mutex stats_mutex; |
107 | uint64_t packet_count OVS_GUARDED; /* Number of packets received. */ | |
108 | uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */ | |
109 | struct bucket_counter *bucket_stats OVS_GUARDED; /* Bucket statistics. */ | |
110 | }; | |
111 | ||
46c88433 EJ |
112 | struct ofbundle { |
113 | struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */ | |
114 | struct ofproto_dpif *ofproto; /* Owning ofproto. */ | |
115 | void *aux; /* Key supplied by ofproto's client. */ | |
116 | char *name; /* Identifier for log messages. */ | |
117 | ||
118 | /* Configuration. */ | |
119 | struct list ports; /* Contains "struct ofport"s. */ | |
120 | enum port_vlan_mode vlan_mode; /* VLAN mode */ | |
121 | int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */ | |
122 | unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1. | |
123 | * NULL if all VLANs are trunked. */ | |
124 | struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */ | |
125 | struct bond *bond; /* Nonnull iff more than one port. */ | |
126 | bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */ | |
127 | ||
128 | /* Status. */ | |
129 | bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */ | |
130 | }; | |
131 | ||
abe529af | 132 | static void bundle_remove(struct ofport *); |
7bde8dd8 | 133 | static void bundle_update(struct ofbundle *); |
abe529af BP |
134 | static void bundle_destroy(struct ofbundle *); |
135 | static void bundle_del_port(struct ofport_dpif *); | |
136 | static void bundle_run(struct ofbundle *); | |
137 | static void bundle_wait(struct ofbundle *); | |
33158a18 | 138 | |
21f7563c JP |
139 | static void stp_run(struct ofproto_dpif *ofproto); |
140 | static void stp_wait(struct ofproto_dpif *ofproto); | |
851bf71d EJ |
141 | static int set_stp_port(struct ofport *, |
142 | const struct ofproto_port_stp_settings *); | |
21f7563c | 143 | |
46c88433 EJ |
144 | struct ofport_dpif { |
145 | struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */ | |
146 | struct ofport up; | |
147 | ||
148 | odp_port_t odp_port; | |
149 | struct ofbundle *bundle; /* Bundle that contains this port, if any. */ | |
150 | struct list bundle_node; /* In struct ofbundle's "ports" list. */ | |
151 | struct cfm *cfm; /* Connectivity Fault Management, if any. */ | |
152 | struct bfd *bfd; /* BFD, if any. */ | |
46c88433 EJ |
153 | bool may_enable; /* May be enabled in bonds. */ |
154 | bool is_tunnel; /* This port is a tunnel. */ | |
a6363cfd | 155 | bool is_layer3; /* This is a layer 3 port. */ |
46c88433 EJ |
156 | long long int carrier_seq; /* Carrier status changes. */ |
157 | struct ofport_dpif *peer; /* Peer if patch port. */ | |
158 | ||
159 | /* Spanning tree. */ | |
160 | struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */ | |
161 | enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */ | |
162 | long long int stp_state_entered; | |
163 | ||
55954f6e EJ |
164 | /* Queue to DSCP mapping. */ |
165 | struct ofproto_port_queue *qdscp; | |
166 | size_t n_qdscp; | |
46c88433 EJ |
167 | |
168 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
169 | * | |
170 | * This is deprecated. It is only for compatibility with broken device | |
171 | * drivers in old versions of Linux that do not properly support VLANs when | |
172 | * VLAN devices are not used. When broken device drivers are no longer in | |
173 | * widespread use, we will delete these interfaces. */ | |
174 | ofp_port_t realdev_ofp_port; | |
175 | int vlandev_vid; | |
176 | }; | |
177 | ||
52a90c29 BP |
178 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
179 | * | |
180 | * This is deprecated. It is only for compatibility with broken device drivers | |
181 | * in old versions of Linux that do not properly support VLANs when VLAN | |
182 | * devices are not used. When broken device drivers are no longer in | |
183 | * widespread use, we will delete these interfaces. */ | |
184 | struct vlan_splinter { | |
185 | struct hmap_node realdev_vid_node; | |
186 | struct hmap_node vlandev_node; | |
4e022ec0 AW |
187 | ofp_port_t realdev_ofp_port; |
188 | ofp_port_t vlandev_ofp_port; | |
52a90c29 BP |
189 | int vid; |
190 | }; | |
191 | ||
52a90c29 | 192 | static void vsp_remove(struct ofport_dpif *); |
4e022ec0 | 193 | static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid); |
52a90c29 | 194 | |
46c88433 EJ |
195 | static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *, |
196 | ofp_port_t); | |
197 | ||
4e022ec0 | 198 | static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *, |
46c88433 | 199 | odp_port_t); |
e1b1d06a | 200 | |
abe529af BP |
201 | static struct ofport_dpif * |
202 | ofport_dpif_cast(const struct ofport *ofport) | |
203 | { | |
abe529af BP |
204 | return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL; |
205 | } | |
206 | ||
207 | static void port_run(struct ofport_dpif *); | |
8aee94b6 | 208 | static int set_bfd(struct ofport *, const struct smap *); |
a5610457 | 209 | static int set_cfm(struct ofport *, const struct cfm_settings *); |
6cbbf4fa | 210 | static void ofport_update_peer(struct ofport_dpif *); |
abe529af | 211 | |
7ee20df1 BP |
212 | struct dpif_completion { |
213 | struct list list_node; | |
214 | struct ofoperation *op; | |
215 | }; | |
216 | ||
e79a6c83 EJ |
217 | /* Reasons that we might need to revalidate every datapath flow, and |
218 | * corresponding coverage counters. | |
cdc3ab65 EJ |
219 | * |
220 | * A value of 0 means that there is no need to revalidate. | |
221 | * | |
222 | * It would be nice to have some cleaner way to integrate with coverage | |
223 | * counters, but with only a few reasons I guess this is good enough for | |
224 | * now. */ | |
225 | enum revalidate_reason { | |
226 | REV_RECONFIGURE = 1, /* Switch configuration changed. */ | |
227 | REV_STP, /* Spanning tree protocol port status change. */ | |
4a1b8f30 | 228 | REV_BOND, /* Bonding changed. */ |
cdc3ab65 EJ |
229 | REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/ |
230 | REV_FLOW_TABLE, /* Flow table changed. */ | |
30618594 | 231 | REV_MAC_LEARNING, /* Mac learning changed. */ |
cdc3ab65 | 232 | }; |
3c4a309c BP |
233 | COVERAGE_DEFINE(rev_reconfigure); |
234 | COVERAGE_DEFINE(rev_stp); | |
4a1b8f30 | 235 | COVERAGE_DEFINE(rev_bond); |
3c4a309c BP |
236 | COVERAGE_DEFINE(rev_port_toggled); |
237 | COVERAGE_DEFINE(rev_flow_table); | |
30618594 | 238 | COVERAGE_DEFINE(rev_mac_learning); |
3c4a309c | 239 | |
cdc3ab65 EJ |
240 | /* All datapaths of a given type share a single dpif backer instance. */ |
241 | struct dpif_backer { | |
242 | char *type; | |
243 | int refcount; | |
244 | struct dpif *dpif; | |
e1ec7dd4 | 245 | struct udpif *udpif; |
8449c4d6 EJ |
246 | |
247 | struct ovs_rwlock odp_to_ofport_lock; | |
390eadaa | 248 | struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */ |
cdc3ab65 EJ |
249 | |
250 | struct simap tnl_backers; /* Set of dpif ports backing tunnels. */ | |
251 | ||
e79a6c83 | 252 | enum revalidate_reason need_revalidate; /* Revalidate all flows. */ |
cdc3ab65 | 253 | |
cdc3ab65 | 254 | bool recv_set_enable; /* Enables or disables receiving packets. */ |
4b97b70d | 255 | |
adcf00ba | 256 | /* Recirculation. */ |
f5374617 | 257 | struct recirc_id_pool *rid_pool; /* Recirculation ID pool. */ |
adcf00ba | 258 | bool enable_recirc; /* True if the datapath supports recirculation */ |
f5374617 | 259 | |
4b97b70d BP |
260 | /* True if the datapath supports variable-length |
261 | * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. | |
262 | * False if the datapath supports only 8-byte (or shorter) userdata. */ | |
263 | bool variable_length_userdata; | |
8bfd0fda BP |
264 | |
265 | /* Maximum number of MPLS label stack entries that the datapath supports | |
266 | * in a match */ | |
267 | size_t max_mpls_depth; | |
cdc3ab65 EJ |
268 | }; |
269 | ||
acf60855 JP |
270 | /* All existing ofproto_backer instances, indexed by ofproto->up.type. */ |
271 | static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers); | |
272 | ||
46c88433 EJ |
273 | struct ofproto_dpif { |
274 | struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */ | |
275 | struct ofproto up; | |
276 | struct dpif_backer *backer; | |
277 | ||
e79a6c83 EJ |
278 | uint64_t dump_seq; /* Last read of udpif_dump_seq(). */ |
279 | ||
46c88433 EJ |
280 | /* Special OpenFlow rules. */ |
281 | struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */ | |
282 | struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */ | |
283 | struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */ | |
284 | ||
285 | /* Bridging. */ | |
286 | struct netflow *netflow; | |
287 | struct dpif_sflow *sflow; | |
288 | struct dpif_ipfix *ipfix; | |
289 | struct hmap bundles; /* Contains "struct ofbundle"s. */ | |
290 | struct mac_learning *ml; | |
291 | bool has_bonded_bundles; | |
e2d13c43 | 292 | bool lacp_enabled; |
46c88433 EJ |
293 | struct mbridge *mbridge; |
294 | ||
0da3c61b AW |
295 | struct ovs_mutex stats_mutex; |
296 | struct netdev_stats stats OVS_GUARDED; /* To account packets generated and | |
297 | * consumed in userspace. */ | |
46c88433 EJ |
298 | |
299 | /* Spanning tree. */ | |
300 | struct stp *stp; | |
301 | long long int stp_last_tick; | |
302 | ||
303 | /* VLAN splinters. */ | |
13501305 EJ |
304 | struct ovs_mutex vsp_mutex; |
305 | struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */ | |
306 | struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */ | |
46c88433 EJ |
307 | |
308 | /* Ports. */ | |
309 | struct sset ports; /* Set of standard port names. */ | |
310 | struct sset ghost_ports; /* Ports with no datapath port. */ | |
311 | struct sset port_poll_set; /* Queued names for port_poll() reply. */ | |
312 | int port_poll_errno; /* Last errno for port_poll() reply. */ | |
f23d157c | 313 | uint64_t change_seq; /* Connectivity status changes. */ |
46c88433 | 314 | |
3d9c5e58 | 315 | /* Work queues. */ |
05067881 | 316 | struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */ |
46c88433 EJ |
317 | }; |
318 | ||
b44a10b7 BP |
319 | /* All existing ofproto_dpif instances, indexed by ->up.name. */ |
320 | static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs); | |
321 | ||
abe529af BP |
322 | static void ofproto_dpif_unixctl_init(void); |
323 | ||
46c88433 EJ |
324 | static inline struct ofproto_dpif * |
325 | ofproto_dpif_cast(const struct ofproto *ofproto) | |
326 | { | |
327 | ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class); | |
328 | return CONTAINER_OF(ofproto, struct ofproto_dpif, up); | |
329 | } | |
330 | ||
8bfd0fda BP |
331 | size_t |
332 | ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif *ofproto) | |
333 | { | |
334 | return ofproto->backer->max_mpls_depth; | |
335 | } | |
336 | ||
adcf00ba AZ |
337 | bool |
338 | ofproto_dpif_get_enable_recirc(const struct ofproto_dpif *ofproto) | |
339 | { | |
340 | return ofproto->backer->enable_recirc; | |
341 | } | |
342 | ||
46c88433 EJ |
343 | static struct ofport_dpif *get_ofp_port(const struct ofproto_dpif *ofproto, |
344 | ofp_port_t ofp_port); | |
adcf00ba | 345 | static void ofproto_trace(struct ofproto_dpif *, struct flow *, |
aee0979b BP |
346 | const struct ofpbuf *packet, |
347 | const struct ofpact[], size_t ofpacts_len, | |
348 | struct ds *); | |
46c88433 | 349 | |
abe529af BP |
350 | /* Global variables. */ |
351 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
acf60855 JP |
352 | |
353 | /* Initial mappings of port to bridge mappings. */ | |
354 | static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports); | |
46c88433 | 355 | |
1b63b91e BP |
356 | /* Executes 'fm'. The caller retains ownership of 'fm' and everything in |
357 | * it. */ | |
3d9c5e58 | 358 | void |
46c88433 EJ |
359 | ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto, |
360 | struct ofputil_flow_mod *fm) | |
361 | { | |
1b63b91e | 362 | ofproto_flow_mod(&ofproto->up, fm); |
46c88433 EJ |
363 | } |
364 | ||
1ebeaaa7 JS |
365 | /* Resets the modified time for 'rule' or an equivalent rule. If 'rule' is not |
366 | * in the classifier, but an equivalent rule is, unref 'rule' and ref the new | |
367 | * rule. Otherwise if 'rule' is no longer installed in the classifier, | |
368 | * reinstall it. | |
369 | * | |
370 | * Returns the rule whose modified time has been reset. */ | |
371 | struct rule_dpif * | |
372 | ofproto_dpif_refresh_rule(struct rule_dpif *rule) | |
373 | { | |
374 | return rule_dpif_cast(ofproto_refresh_rule(&rule->up)); | |
375 | } | |
376 | ||
d5ff77e2 YT |
377 | /* Appends 'pin' to the queue of "packet ins" to be sent to the controller. |
378 | * Takes ownership of 'pin' and pin->packet. */ | |
46c88433 EJ |
379 | void |
380 | ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto, | |
0fb7792a | 381 | struct ofproto_packet_in *pin) |
46c88433 | 382 | { |
05067881 | 383 | if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) { |
ada3a58d | 384 | COVERAGE_INC(packet_in_overflow); |
0fb7792a | 385 | free(CONST_CAST(void *, pin->up.packet)); |
ada3a58d | 386 | free(pin); |
ada3a58d | 387 | } |
46c88433 | 388 | } |
6b83a3c5 SH |
389 | |
390 | /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the | |
391 | * packet rather than to send the packet to the controller. | |
392 | * | |
393 | * This function returns false to indicate that a packet_in message | |
394 | * for a "table-miss" should be sent to at least one controller. | |
395 | * False otherwise. */ | |
396 | bool | |
397 | ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto) | |
398 | { | |
399 | return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr); | |
400 | } | |
abe529af BP |
401 | \f |
402 | /* Factory functions. */ | |
403 | ||
b0408fca | 404 | static void |
acf60855 | 405 | init(const struct shash *iface_hints) |
b0408fca | 406 | { |
acf60855 JP |
407 | struct shash_node *node; |
408 | ||
409 | /* Make a local copy, since we don't own 'iface_hints' elements. */ | |
410 | SHASH_FOR_EACH(node, iface_hints) { | |
411 | const struct iface_hint *orig_hint = node->data; | |
412 | struct iface_hint *new_hint = xmalloc(sizeof *new_hint); | |
413 | ||
414 | new_hint->br_name = xstrdup(orig_hint->br_name); | |
415 | new_hint->br_type = xstrdup(orig_hint->br_type); | |
416 | new_hint->ofp_port = orig_hint->ofp_port; | |
417 | ||
418 | shash_add(&init_ofp_ports, node->name, new_hint); | |
419 | } | |
b0408fca JP |
420 | } |
421 | ||
abe529af BP |
422 | static void |
423 | enumerate_types(struct sset *types) | |
424 | { | |
425 | dp_enumerate_types(types); | |
426 | } | |
427 | ||
428 | static int | |
429 | enumerate_names(const char *type, struct sset *names) | |
430 | { | |
acf60855 JP |
431 | struct ofproto_dpif *ofproto; |
432 | ||
433 | sset_clear(names); | |
434 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
435 | if (strcmp(type, ofproto->up.type)) { | |
436 | continue; | |
437 | } | |
438 | sset_add(names, ofproto->up.name); | |
439 | } | |
440 | ||
441 | return 0; | |
abe529af BP |
442 | } |
443 | ||
444 | static int | |
445 | del(const char *type, const char *name) | |
446 | { | |
447 | struct dpif *dpif; | |
448 | int error; | |
449 | ||
450 | error = dpif_open(name, type, &dpif); | |
451 | if (!error) { | |
452 | error = dpif_delete(dpif); | |
453 | dpif_close(dpif); | |
454 | } | |
455 | return error; | |
456 | } | |
457 | \f | |
0aeaabc8 JP |
458 | static const char * |
459 | port_open_type(const char *datapath_type, const char *port_type) | |
460 | { | |
461 | return dpif_port_open_type(datapath_type, port_type); | |
462 | } | |
463 | ||
acf60855 JP |
464 | /* Type functions. */ |
465 | ||
36beb9be BP |
466 | static void process_dpif_port_changes(struct dpif_backer *); |
467 | static void process_dpif_all_ports_changed(struct dpif_backer *); | |
468 | static void process_dpif_port_change(struct dpif_backer *, | |
469 | const char *devname); | |
470 | static void process_dpif_port_error(struct dpif_backer *, int error); | |
471 | ||
476cb42a BP |
472 | static struct ofproto_dpif * |
473 | lookup_ofproto_dpif_by_port_name(const char *name) | |
474 | { | |
475 | struct ofproto_dpif *ofproto; | |
476 | ||
477 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
478 | if (sset_contains(&ofproto->ports, name)) { | |
479 | return ofproto; | |
480 | } | |
481 | } | |
482 | ||
483 | return NULL; | |
484 | } | |
485 | ||
acf60855 JP |
486 | static int |
487 | type_run(const char *type) | |
488 | { | |
489 | struct dpif_backer *backer; | |
acf60855 JP |
490 | |
491 | backer = shash_find_data(&all_dpif_backers, type); | |
492 | if (!backer) { | |
493 | /* This is not necessarily a problem, since backers are only | |
494 | * created on demand. */ | |
495 | return 0; | |
496 | } | |
497 | ||
498 | dpif_run(backer->dpif); | |
499 | ||
40358701 GS |
500 | /* If vswitchd started with other_config:flow_restore_wait set as "true", |
501 | * and the configuration has now changed to "false", enable receiving | |
502 | * packets from the datapath. */ | |
503 | if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) { | |
36beb9be BP |
504 | int error; |
505 | ||
40358701 GS |
506 | backer->recv_set_enable = true; |
507 | ||
508 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); | |
509 | if (error) { | |
510 | VLOG_ERR("Failed to enable receiving packets in dpif."); | |
511 | return error; | |
512 | } | |
513 | dpif_flow_flush(backer->dpif); | |
514 | backer->need_revalidate = REV_RECONFIGURE; | |
515 | } | |
516 | ||
6567010f | 517 | if (backer->recv_set_enable) { |
e79a6c83 | 518 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
448a4b2f AW |
519 | } |
520 | ||
a1616063 | 521 | if (backer->need_revalidate) { |
2cc3c58e | 522 | struct ofproto_dpif *ofproto; |
a614d823 KM |
523 | struct simap_node *node; |
524 | struct simap tmp_backers; | |
525 | ||
526 | /* Handle tunnel garbage collection. */ | |
527 | simap_init(&tmp_backers); | |
528 | simap_swap(&backer->tnl_backers, &tmp_backers); | |
529 | ||
530 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
531 | struct ofport_dpif *iter; | |
532 | ||
533 | if (backer != ofproto->backer) { | |
534 | continue; | |
535 | } | |
536 | ||
537 | HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) { | |
3aa30359 | 538 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
a614d823 KM |
539 | const char *dp_port; |
540 | ||
42943cde | 541 | if (!iter->is_tunnel) { |
a614d823 KM |
542 | continue; |
543 | } | |
544 | ||
3aa30359 BP |
545 | dp_port = netdev_vport_get_dpif_port(iter->up.netdev, |
546 | namebuf, sizeof namebuf); | |
a614d823 KM |
547 | node = simap_find(&tmp_backers, dp_port); |
548 | if (node) { | |
549 | simap_put(&backer->tnl_backers, dp_port, node->data); | |
550 | simap_delete(&tmp_backers, node); | |
551 | node = simap_find(&backer->tnl_backers, dp_port); | |
552 | } else { | |
553 | node = simap_find(&backer->tnl_backers, dp_port); | |
554 | if (!node) { | |
4e022ec0 | 555 | odp_port_t odp_port = ODPP_NONE; |
a614d823 KM |
556 | |
557 | if (!dpif_port_add(backer->dpif, iter->up.netdev, | |
558 | &odp_port)) { | |
4e022ec0 AW |
559 | simap_put(&backer->tnl_backers, dp_port, |
560 | odp_to_u32(odp_port)); | |
a614d823 KM |
561 | node = simap_find(&backer->tnl_backers, dp_port); |
562 | } | |
563 | } | |
564 | } | |
565 | ||
4e022ec0 | 566 | iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE; |
42943cde EJ |
567 | if (tnl_port_reconfigure(iter, iter->up.netdev, |
568 | iter->odp_port)) { | |
a614d823 KM |
569 | backer->need_revalidate = REV_RECONFIGURE; |
570 | } | |
571 | } | |
572 | } | |
573 | ||
574 | SIMAP_FOR_EACH (node, &tmp_backers) { | |
4e022ec0 | 575 | dpif_port_del(backer->dpif, u32_to_odp(node->data)); |
a614d823 KM |
576 | } |
577 | simap_destroy(&tmp_backers); | |
2cc3c58e EJ |
578 | |
579 | switch (backer->need_revalidate) { | |
580 | case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break; | |
581 | case REV_STP: COVERAGE_INC(rev_stp); break; | |
4a1b8f30 | 582 | case REV_BOND: COVERAGE_INC(rev_bond); break; |
2cc3c58e EJ |
583 | case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break; |
584 | case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break; | |
30618594 | 585 | case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break; |
2cc3c58e | 586 | } |
f728af2e BP |
587 | backer->need_revalidate = 0; |
588 | ||
2cc3c58e | 589 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { |
a1616063 | 590 | struct ofport_dpif *ofport; |
a1616063 | 591 | struct ofbundle *bundle; |
2cc3c58e EJ |
592 | |
593 | if (ofproto->backer != backer) { | |
594 | continue; | |
595 | } | |
596 | ||
dc24a00f | 597 | ovs_rwlock_wrlock(&xlate_rwlock); |
89a8a7f0 | 598 | xlate_ofproto_set(ofproto, ofproto->up.name, |
ec89fc6f EJ |
599 | ofproto->backer->dpif, ofproto->miss_rule, |
600 | ofproto->no_packet_in_rule, ofproto->ml, | |
9d189a50 EJ |
601 | ofproto->stp, ofproto->mbridge, |
602 | ofproto->sflow, ofproto->ipfix, | |
ce3955be | 603 | ofproto->netflow, ofproto->up.frag_handling, |
a1616063 | 604 | ofproto->up.forward_bpdu, |
4b97b70d | 605 | connmgr_has_in_band(ofproto->up.connmgr), |
adcf00ba | 606 | ofproto->backer->enable_recirc, |
8bfd0fda BP |
607 | ofproto->backer->variable_length_userdata, |
608 | ofproto->backer->max_mpls_depth); | |
46c88433 | 609 | |
a1616063 EJ |
610 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { |
611 | xlate_bundle_set(ofproto, bundle, bundle->name, | |
612 | bundle->vlan_mode, bundle->vlan, | |
613 | bundle->trunks, bundle->use_priority_tags, | |
614 | bundle->bond, bundle->lacp, | |
615 | bundle->floodable); | |
616 | } | |
617 | ||
618 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
9d189a50 EJ |
619 | int stp_port = ofport->stp_port |
620 | ? stp_port_no(ofport->stp_port) | |
92cf817b | 621 | : -1; |
a1616063 EJ |
622 | xlate_ofport_set(ofproto, ofport->bundle, ofport, |
623 | ofport->up.ofp_port, ofport->odp_port, | |
624 | ofport->up.netdev, ofport->cfm, | |
9d189a50 | 625 | ofport->bfd, ofport->peer, stp_port, |
55954f6e | 626 | ofport->qdscp, ofport->n_qdscp, |
dd8cd4b4 SH |
627 | ofport->up.pp.config, ofport->up.pp.state, |
628 | ofport->is_tunnel, ofport->may_enable); | |
46c88433 | 629 | } |
dc24a00f | 630 | ovs_rwlock_unlock(&xlate_rwlock); |
2cc3c58e | 631 | } |
e1ec7dd4 EJ |
632 | |
633 | udpif_revalidate(backer->udpif); | |
2cc3c58e EJ |
634 | } |
635 | ||
36beb9be | 636 | process_dpif_port_changes(backer); |
acf60855 JP |
637 | |
638 | return 0; | |
639 | } | |
640 | ||
36beb9be BP |
641 | /* Check for and handle port changes in 'backer''s dpif. */ |
642 | static void | |
643 | process_dpif_port_changes(struct dpif_backer *backer) | |
644 | { | |
645 | for (;;) { | |
646 | char *devname; | |
647 | int error; | |
648 | ||
649 | error = dpif_port_poll(backer->dpif, &devname); | |
650 | switch (error) { | |
651 | case EAGAIN: | |
652 | return; | |
653 | ||
654 | case ENOBUFS: | |
655 | process_dpif_all_ports_changed(backer); | |
656 | break; | |
657 | ||
658 | case 0: | |
659 | process_dpif_port_change(backer, devname); | |
660 | free(devname); | |
661 | break; | |
662 | ||
663 | default: | |
664 | process_dpif_port_error(backer, error); | |
665 | break; | |
666 | } | |
667 | } | |
668 | } | |
669 | ||
670 | static void | |
671 | process_dpif_all_ports_changed(struct dpif_backer *backer) | |
672 | { | |
673 | struct ofproto_dpif *ofproto; | |
674 | struct dpif_port dpif_port; | |
675 | struct dpif_port_dump dump; | |
676 | struct sset devnames; | |
677 | const char *devname; | |
678 | ||
679 | sset_init(&devnames); | |
680 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
681 | if (ofproto->backer == backer) { | |
682 | struct ofport *ofport; | |
683 | ||
684 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
685 | sset_add(&devnames, netdev_get_name(ofport->netdev)); | |
686 | } | |
687 | } | |
688 | } | |
689 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) { | |
690 | sset_add(&devnames, dpif_port.name); | |
691 | } | |
692 | ||
693 | SSET_FOR_EACH (devname, &devnames) { | |
694 | process_dpif_port_change(backer, devname); | |
695 | } | |
696 | sset_destroy(&devnames); | |
697 | } | |
698 | ||
699 | static void | |
700 | process_dpif_port_change(struct dpif_backer *backer, const char *devname) | |
701 | { | |
702 | struct ofproto_dpif *ofproto; | |
703 | struct dpif_port port; | |
704 | ||
705 | /* Don't report on the datapath's device. */ | |
706 | if (!strcmp(devname, dpif_base_name(backer->dpif))) { | |
707 | return; | |
708 | } | |
709 | ||
710 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, | |
711 | &all_ofproto_dpifs) { | |
712 | if (simap_contains(&ofproto->backer->tnl_backers, devname)) { | |
713 | return; | |
714 | } | |
715 | } | |
716 | ||
717 | ofproto = lookup_ofproto_dpif_by_port_name(devname); | |
718 | if (dpif_port_query_by_name(backer->dpif, devname, &port)) { | |
719 | /* The port was removed. If we know the datapath, | |
720 | * report it through poll_set(). If we don't, it may be | |
721 | * notifying us of a removal we initiated, so ignore it. | |
722 | * If there's a pending ENOBUFS, let it stand, since | |
723 | * everything will be reevaluated. */ | |
724 | if (ofproto && ofproto->port_poll_errno != ENOBUFS) { | |
725 | sset_add(&ofproto->port_poll_set, devname); | |
726 | ofproto->port_poll_errno = 0; | |
727 | } | |
728 | } else if (!ofproto) { | |
729 | /* The port was added, but we don't know with which | |
730 | * ofproto we should associate it. Delete it. */ | |
731 | dpif_port_del(backer->dpif, port.port_no); | |
74cc3969 BP |
732 | } else { |
733 | struct ofport_dpif *ofport; | |
734 | ||
735 | ofport = ofport_dpif_cast(shash_find_data( | |
736 | &ofproto->up.port_by_name, devname)); | |
737 | if (ofport | |
738 | && ofport->odp_port != port.port_no | |
739 | && !odp_port_to_ofport(backer, port.port_no)) | |
740 | { | |
741 | /* 'ofport''s datapath port number has changed from | |
742 | * 'ofport->odp_port' to 'port.port_no'. Update our internal data | |
743 | * structures to match. */ | |
8449c4d6 | 744 | ovs_rwlock_wrlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
745 | hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node); |
746 | ofport->odp_port = port.port_no; | |
747 | hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node, | |
748 | hash_odp_port(port.port_no)); | |
8449c4d6 | 749 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
750 | backer->need_revalidate = REV_RECONFIGURE; |
751 | } | |
36beb9be BP |
752 | } |
753 | dpif_port_destroy(&port); | |
754 | } | |
755 | ||
756 | /* Propagate 'error' to all ofprotos based on 'backer'. */ | |
757 | static void | |
758 | process_dpif_port_error(struct dpif_backer *backer, int error) | |
759 | { | |
760 | struct ofproto_dpif *ofproto; | |
761 | ||
762 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
763 | if (ofproto->backer == backer) { | |
764 | sset_clear(&ofproto->port_poll_set); | |
765 | ofproto->port_poll_errno = error; | |
766 | } | |
767 | } | |
768 | } | |
769 | ||
acf60855 JP |
770 | static void |
771 | type_wait(const char *type) | |
772 | { | |
773 | struct dpif_backer *backer; | |
774 | ||
775 | backer = shash_find_data(&all_dpif_backers, type); | |
776 | if (!backer) { | |
777 | /* This is not necessarily a problem, since backers are only | |
778 | * created on demand. */ | |
779 | return; | |
780 | } | |
781 | ||
c0365fc8 | 782 | dpif_wait(backer->dpif); |
acf60855 JP |
783 | } |
784 | \f | |
abe529af BP |
785 | /* Basic life-cycle. */ |
786 | ||
c57b2226 BP |
787 | static int add_internal_flows(struct ofproto_dpif *); |
788 | ||
abe529af BP |
789 | static struct ofproto * |
790 | alloc(void) | |
791 | { | |
792 | struct ofproto_dpif *ofproto = xmalloc(sizeof *ofproto); | |
793 | return &ofproto->up; | |
794 | } | |
795 | ||
796 | static void | |
797 | dealloc(struct ofproto *ofproto_) | |
798 | { | |
799 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
800 | free(ofproto); | |
801 | } | |
802 | ||
acf60855 JP |
803 | static void |
804 | close_dpif_backer(struct dpif_backer *backer) | |
805 | { | |
cb22974d | 806 | ovs_assert(backer->refcount > 0); |
acf60855 JP |
807 | |
808 | if (--backer->refcount) { | |
809 | return; | |
810 | } | |
811 | ||
b395cf1f BP |
812 | udpif_destroy(backer->udpif); |
813 | ||
7d82ab2e | 814 | simap_destroy(&backer->tnl_backers); |
8449c4d6 | 815 | ovs_rwlock_destroy(&backer->odp_to_ofport_lock); |
acf60855 | 816 | hmap_destroy(&backer->odp_to_ofport_map); |
4f7cc3c7 | 817 | shash_find_and_delete(&all_dpif_backers, backer->type); |
f5374617 | 818 | recirc_id_pool_destroy(backer->rid_pool); |
acf60855 | 819 | free(backer->type); |
acf60855 | 820 | dpif_close(backer->dpif); |
acf60855 JP |
821 | free(backer); |
822 | } | |
823 | ||
824 | /* Datapath port slated for removal from datapath. */ | |
825 | struct odp_garbage { | |
826 | struct list list_node; | |
4e022ec0 | 827 | odp_port_t odp_port; |
acf60855 JP |
828 | }; |
829 | ||
4b97b70d | 830 | static bool check_variable_length_userdata(struct dpif_backer *backer); |
8bfd0fda | 831 | static size_t check_max_mpls_depth(struct dpif_backer *backer); |
adcf00ba | 832 | static bool check_recirc(struct dpif_backer *backer); |
4b97b70d | 833 | |
acf60855 JP |
834 | static int |
835 | open_dpif_backer(const char *type, struct dpif_backer **backerp) | |
836 | { | |
837 | struct dpif_backer *backer; | |
838 | struct dpif_port_dump port_dump; | |
839 | struct dpif_port port; | |
840 | struct shash_node *node; | |
841 | struct list garbage_list; | |
842 | struct odp_garbage *garbage, *next; | |
f5374617 | 843 | |
acf60855 JP |
844 | struct sset names; |
845 | char *backer_name; | |
846 | const char *name; | |
847 | int error; | |
848 | ||
849 | backer = shash_find_data(&all_dpif_backers, type); | |
850 | if (backer) { | |
851 | backer->refcount++; | |
852 | *backerp = backer; | |
853 | return 0; | |
854 | } | |
855 | ||
856 | backer_name = xasprintf("ovs-%s", type); | |
857 | ||
858 | /* Remove any existing datapaths, since we assume we're the only | |
859 | * userspace controlling the datapath. */ | |
860 | sset_init(&names); | |
861 | dp_enumerate_names(type, &names); | |
862 | SSET_FOR_EACH(name, &names) { | |
863 | struct dpif *old_dpif; | |
864 | ||
865 | /* Don't remove our backer if it exists. */ | |
866 | if (!strcmp(name, backer_name)) { | |
867 | continue; | |
868 | } | |
869 | ||
870 | if (dpif_open(name, type, &old_dpif)) { | |
871 | VLOG_WARN("couldn't open old datapath %s to remove it", name); | |
872 | } else { | |
873 | dpif_delete(old_dpif); | |
874 | dpif_close(old_dpif); | |
875 | } | |
876 | } | |
877 | sset_destroy(&names); | |
878 | ||
879 | backer = xmalloc(sizeof *backer); | |
880 | ||
881 | error = dpif_create_and_open(backer_name, type, &backer->dpif); | |
882 | free(backer_name); | |
883 | if (error) { | |
884 | VLOG_ERR("failed to open datapath of type %s: %s", type, | |
10a89ef0 | 885 | ovs_strerror(error)); |
4c1b1289 | 886 | free(backer); |
acf60855 JP |
887 | return error; |
888 | } | |
e1ec7dd4 | 889 | backer->udpif = udpif_create(backer, backer->dpif); |
acf60855 JP |
890 | |
891 | backer->type = xstrdup(type); | |
892 | backer->refcount = 1; | |
893 | hmap_init(&backer->odp_to_ofport_map); | |
8449c4d6 | 894 | ovs_rwlock_init(&backer->odp_to_ofport_lock); |
2cc3c58e | 895 | backer->need_revalidate = 0; |
7d82ab2e | 896 | simap_init(&backer->tnl_backers); |
40358701 | 897 | backer->recv_set_enable = !ofproto_get_flow_restore_wait(); |
acf60855 JP |
898 | *backerp = backer; |
899 | ||
40358701 GS |
900 | if (backer->recv_set_enable) { |
901 | dpif_flow_flush(backer->dpif); | |
902 | } | |
acf60855 JP |
903 | |
904 | /* Loop through the ports already on the datapath and remove any | |
905 | * that we don't need anymore. */ | |
906 | list_init(&garbage_list); | |
907 | dpif_port_dump_start(&port_dump, backer->dpif); | |
908 | while (dpif_port_dump_next(&port_dump, &port)) { | |
909 | node = shash_find(&init_ofp_ports, port.name); | |
910 | if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) { | |
911 | garbage = xmalloc(sizeof *garbage); | |
912 | garbage->odp_port = port.port_no; | |
913 | list_push_front(&garbage_list, &garbage->list_node); | |
914 | } | |
915 | } | |
916 | dpif_port_dump_done(&port_dump); | |
917 | ||
918 | LIST_FOR_EACH_SAFE (garbage, next, list_node, &garbage_list) { | |
919 | dpif_port_del(backer->dpif, garbage->odp_port); | |
920 | list_remove(&garbage->list_node); | |
921 | free(garbage); | |
922 | } | |
923 | ||
924 | shash_add(&all_dpif_backers, type, backer); | |
925 | ||
40358701 | 926 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); |
acf60855 JP |
927 | if (error) { |
928 | VLOG_ERR("failed to listen on datapath of type %s: %s", | |
10a89ef0 | 929 | type, ovs_strerror(error)); |
acf60855 JP |
930 | close_dpif_backer(backer); |
931 | return error; | |
932 | } | |
adcf00ba | 933 | backer->enable_recirc = check_recirc(backer); |
4b97b70d | 934 | backer->variable_length_userdata = check_variable_length_userdata(backer); |
8bfd0fda | 935 | backer->max_mpls_depth = check_max_mpls_depth(backer); |
f5374617 | 936 | backer->rid_pool = recirc_id_pool_create(); |
6567010f EJ |
937 | |
938 | if (backer->recv_set_enable) { | |
e79a6c83 | 939 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
6567010f | 940 | } |
acf60855 JP |
941 | |
942 | return error; | |
943 | } | |
944 | ||
adcf00ba AZ |
945 | /* Tests whether 'backer''s datapath supports recirculation Only newer datapath |
946 | * supports OVS_KEY_ATTR in OVS_ACTION_ATTR_USERSPACE actions. We need to | |
947 | * disable some features on older datapaths that don't support this feature. | |
948 | * | |
949 | * Returns false if 'backer' definitely does not support recirculation, true if | |
950 | * it seems to support recirculation or if at least the error we get is | |
951 | * ambiguous. */ | |
952 | static bool | |
953 | check_recirc(struct dpif_backer *backer) | |
954 | { | |
955 | struct flow flow; | |
956 | struct odputil_keybuf keybuf; | |
957 | struct ofpbuf key; | |
958 | int error; | |
959 | bool enable_recirc = false; | |
960 | ||
961 | memset(&flow, 0, sizeof flow); | |
962 | flow.recirc_id = 1; | |
963 | flow.dp_hash = 1; | |
964 | ||
965 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
966 | odp_flow_key_from_flow(&key, &flow, 0); | |
967 | ||
968 | error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_MODIFY, | |
8bd43ce6 JR |
969 | ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, NULL, |
970 | 0, NULL); | |
adcf00ba AZ |
971 | if (error && error != EEXIST) { |
972 | if (error != EINVAL) { | |
973 | VLOG_WARN("%s: Reciculation flow probe failed (%s)", | |
974 | dpif_name(backer->dpif), ovs_strerror(error)); | |
975 | } | |
976 | goto done; | |
977 | } | |
978 | ||
8bd43ce6 JR |
979 | error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), ofpbuf_size(&key), |
980 | NULL); | |
adcf00ba AZ |
981 | if (error) { |
982 | VLOG_WARN("%s: failed to delete recirculation feature probe flow", | |
983 | dpif_name(backer->dpif)); | |
984 | } | |
985 | ||
986 | enable_recirc = true; | |
987 | ||
988 | done: | |
989 | if (enable_recirc) { | |
990 | VLOG_INFO("%s: Datapath supports recirculation", | |
991 | dpif_name(backer->dpif)); | |
992 | } else { | |
993 | VLOG_INFO("%s: Datapath does not support recirculation", | |
994 | dpif_name(backer->dpif)); | |
995 | } | |
996 | ||
997 | return enable_recirc; | |
998 | } | |
999 | ||
4b97b70d BP |
1000 | /* Tests whether 'backer''s datapath supports variable-length |
1001 | * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need | |
1002 | * to disable some features on older datapaths that don't support this | |
1003 | * feature. | |
1004 | * | |
1005 | * Returns false if 'backer' definitely does not support variable-length | |
1006 | * userdata, true if it seems to support them or if at least the error we get | |
1007 | * is ambiguous. */ | |
1008 | static bool | |
1009 | check_variable_length_userdata(struct dpif_backer *backer) | |
1010 | { | |
1011 | struct eth_header *eth; | |
1012 | struct ofpbuf actions; | |
758c456d | 1013 | struct dpif_execute execute; |
4b97b70d BP |
1014 | struct ofpbuf packet; |
1015 | size_t start; | |
1016 | int error; | |
1017 | ||
1018 | /* Compose a userspace action that will cause an ERANGE error on older | |
1019 | * datapaths that don't support variable-length userdata. | |
1020 | * | |
1021 | * We really test for using userdata longer than 8 bytes, but older | |
1022 | * datapaths accepted these, silently truncating the userdata to 8 bytes. | |
1023 | * The same older datapaths rejected userdata shorter than 8 bytes, so we | |
1024 | * test for that instead as a proxy for longer userdata support. */ | |
1025 | ofpbuf_init(&actions, 64); | |
1026 | start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE); | |
1027 | nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID, | |
1954e6bb | 1028 | dpif_port_get_pid(backer->dpif, ODPP_NONE, 0)); |
4b97b70d BP |
1029 | nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4); |
1030 | nl_msg_end_nested(&actions, start); | |
1031 | ||
758c456d | 1032 | /* Compose a dummy ethernet packet. */ |
4b97b70d BP |
1033 | ofpbuf_init(&packet, ETH_HEADER_LEN); |
1034 | eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN); | |
1035 | eth->eth_type = htons(0x1234); | |
1036 | ||
758c456d | 1037 | /* Execute the actions. On older datapaths this fails with ERANGE, on |
4b97b70d | 1038 | * newer datapaths it succeeds. */ |
1f317cb5 PS |
1039 | execute.actions = ofpbuf_data(&actions); |
1040 | execute.actions_len = ofpbuf_size(&actions); | |
758c456d JR |
1041 | execute.packet = &packet; |
1042 | execute.md = PKT_METADATA_INITIALIZER(0); | |
1043 | execute.needs_help = false; | |
1044 | ||
1045 | error = dpif_execute(backer->dpif, &execute); | |
4b97b70d BP |
1046 | |
1047 | ofpbuf_uninit(&packet); | |
4b97b70d BP |
1048 | ofpbuf_uninit(&actions); |
1049 | ||
1050 | switch (error) { | |
1051 | case 0: | |
1052 | /* Variable-length userdata is supported. | |
1053 | * | |
1054 | * Purge received packets to avoid processing the nonsense packet we | |
1055 | * sent to userspace, then report success. */ | |
1056 | dpif_recv_purge(backer->dpif); | |
1057 | return true; | |
1058 | ||
1059 | case ERANGE: | |
1060 | /* Variable-length userdata is not supported. */ | |
1061 | VLOG_WARN("%s: datapath does not support variable-length userdata " | |
1062 | "feature (needs Linux 3.10+ or kernel module from OVS " | |
1063 | "1..11+). The NXAST_SAMPLE action will be ignored.", | |
1064 | dpif_name(backer->dpif)); | |
1065 | return false; | |
1066 | ||
1067 | default: | |
1068 | /* Something odd happened. We're not sure whether variable-length | |
1069 | * userdata is supported. Default to "yes". */ | |
1070 | VLOG_WARN("%s: variable-length userdata feature probe failed (%s)", | |
1071 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1072 | return true; | |
1073 | } | |
1074 | } | |
1075 | ||
8bfd0fda BP |
1076 | /* Tests the MPLS label stack depth supported by 'backer''s datapath. |
1077 | * | |
1078 | * Returns the number of elements in a struct flow's mpls_lse field | |
1079 | * if the datapath supports at least that many entries in an | |
1080 | * MPLS label stack. | |
1081 | * Otherwise returns the number of MPLS push actions supported by | |
1082 | * the datapath. */ | |
1083 | static size_t | |
1084 | check_max_mpls_depth(struct dpif_backer *backer) | |
1085 | { | |
1086 | struct flow flow; | |
1087 | int n; | |
1088 | ||
1089 | for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) { | |
1090 | struct odputil_keybuf keybuf; | |
1091 | struct ofpbuf key; | |
1092 | int error; | |
1093 | ||
1094 | memset(&flow, 0, sizeof flow); | |
1095 | flow.dl_type = htons(ETH_TYPE_MPLS); | |
1096 | flow_set_mpls_bos(&flow, n, 1); | |
1097 | ||
1098 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
1099 | odp_flow_key_from_flow(&key, &flow, 0); | |
1100 | ||
1101 | error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_MODIFY, | |
1f317cb5 | 1102 | ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, NULL, 0, NULL); |
8bfd0fda BP |
1103 | if (error && error != EEXIST) { |
1104 | if (error != EINVAL) { | |
1105 | VLOG_WARN("%s: MPLS stack length feature probe failed (%s)", | |
1106 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1107 | } | |
1108 | break; | |
1109 | } | |
1110 | ||
1f317cb5 | 1111 | error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), ofpbuf_size(&key), NULL); |
8bfd0fda BP |
1112 | if (error) { |
1113 | VLOG_WARN("%s: failed to delete MPLS feature probe flow", | |
1114 | dpif_name(backer->dpif)); | |
1115 | } | |
1116 | } | |
1117 | ||
1118 | VLOG_INFO("%s: MPLS label stack length probed as %d", | |
1119 | dpif_name(backer->dpif), n); | |
1120 | return n; | |
1121 | } | |
1122 | ||
abe529af | 1123 | static int |
0f5f95a9 | 1124 | construct(struct ofproto *ofproto_) |
abe529af BP |
1125 | { |
1126 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 1127 | struct shash_node *node, *next; |
abe529af | 1128 | int error; |
abe529af | 1129 | |
acf60855 | 1130 | error = open_dpif_backer(ofproto->up.type, &ofproto->backer); |
abe529af | 1131 | if (error) { |
abe529af BP |
1132 | return error; |
1133 | } | |
1134 | ||
abe529af BP |
1135 | ofproto->netflow = NULL; |
1136 | ofproto->sflow = NULL; | |
29089a54 | 1137 | ofproto->ipfix = NULL; |
21f7563c | 1138 | ofproto->stp = NULL; |
e79a6c83 | 1139 | ofproto->dump_seq = 0; |
abe529af | 1140 | hmap_init(&ofproto->bundles); |
e764773c | 1141 | ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME); |
ec7ceaed | 1142 | ofproto->mbridge = mbridge_create(); |
abe529af | 1143 | ofproto->has_bonded_bundles = false; |
e2d13c43 | 1144 | ofproto->lacp_enabled = false; |
97ba2d36 | 1145 | ovs_mutex_init_adaptive(&ofproto->stats_mutex); |
834d6caf | 1146 | ovs_mutex_init(&ofproto->vsp_mutex); |
abe529af | 1147 | |
05067881 | 1148 | guarded_list_init(&ofproto->pins); |
ada3a58d | 1149 | |
abe529af BP |
1150 | ofproto_dpif_unixctl_init(); |
1151 | ||
52a90c29 BP |
1152 | hmap_init(&ofproto->vlandev_map); |
1153 | hmap_init(&ofproto->realdev_vid_map); | |
1154 | ||
acf60855 | 1155 | sset_init(&ofproto->ports); |
0a740f48 | 1156 | sset_init(&ofproto->ghost_ports); |
acf60855 JP |
1157 | sset_init(&ofproto->port_poll_set); |
1158 | ofproto->port_poll_errno = 0; | |
f23d157c | 1159 | ofproto->change_seq = 0; |
acf60855 JP |
1160 | |
1161 | SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) { | |
4f9e08a5 | 1162 | struct iface_hint *iface_hint = node->data; |
acf60855 JP |
1163 | |
1164 | if (!strcmp(iface_hint->br_name, ofproto->up.name)) { | |
1165 | /* Check if the datapath already has this port. */ | |
1166 | if (dpif_port_exists(ofproto->backer->dpif, node->name)) { | |
1167 | sset_add(&ofproto->ports, node->name); | |
1168 | } | |
1169 | ||
1170 | free(iface_hint->br_name); | |
1171 | free(iface_hint->br_type); | |
4f9e08a5 | 1172 | free(iface_hint); |
acf60855 JP |
1173 | shash_delete(&init_ofp_ports, node); |
1174 | } | |
1175 | } | |
e1b1d06a | 1176 | |
b44a10b7 BP |
1177 | hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node, |
1178 | hash_string(ofproto->up.name, 0)); | |
6527c598 | 1179 | memset(&ofproto->stats, 0, sizeof ofproto->stats); |
0f5f95a9 BP |
1180 | |
1181 | ofproto_init_tables(ofproto_, N_TABLES); | |
c57b2226 | 1182 | error = add_internal_flows(ofproto); |
adcf00ba | 1183 | |
c57b2226 BP |
1184 | ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY; |
1185 | ||
1186 | return error; | |
1187 | } | |
1188 | ||
1189 | static int | |
adcf00ba | 1190 | add_internal_miss_flow(struct ofproto_dpif *ofproto, int id, |
f25d0cf3 | 1191 | const struct ofpbuf *ofpacts, struct rule_dpif **rulep) |
c57b2226 | 1192 | { |
adcf00ba | 1193 | struct match match; |
c57b2226 | 1194 | int error; |
adcf00ba | 1195 | struct rule *rule; |
c57b2226 | 1196 | |
adcf00ba AZ |
1197 | match_init_catchall(&match); |
1198 | match_set_reg(&match, 0, id); | |
c57b2226 | 1199 | |
adcf00ba AZ |
1200 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, ofpacts, &rule); |
1201 | *rulep = error ? NULL : rule_dpif_cast(rule); | |
0f5f95a9 | 1202 | |
adcf00ba | 1203 | return error; |
abe529af BP |
1204 | } |
1205 | ||
c57b2226 BP |
1206 | static int |
1207 | add_internal_flows(struct ofproto_dpif *ofproto) | |
1208 | { | |
f25d0cf3 BP |
1209 | struct ofpact_controller *controller; |
1210 | uint64_t ofpacts_stub[128 / 8]; | |
1211 | struct ofpbuf ofpacts; | |
adcf00ba AZ |
1212 | struct rule *unused_rulep OVS_UNUSED; |
1213 | struct ofpact_resubmit *resubmit; | |
1214 | struct match match; | |
c57b2226 BP |
1215 | int error; |
1216 | int id; | |
1217 | ||
f25d0cf3 | 1218 | ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub); |
c57b2226 BP |
1219 | id = 1; |
1220 | ||
f25d0cf3 BP |
1221 | controller = ofpact_put_CONTROLLER(&ofpacts); |
1222 | controller->max_len = UINT16_MAX; | |
1223 | controller->controller_id = 0; | |
1224 | controller->reason = OFPR_NO_MATCH; | |
1225 | ofpact_pad(&ofpacts); | |
1226 | ||
adcf00ba AZ |
1227 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
1228 | &ofproto->miss_rule); | |
c57b2226 BP |
1229 | if (error) { |
1230 | return error; | |
1231 | } | |
1232 | ||
f25d0cf3 | 1233 | ofpbuf_clear(&ofpacts); |
adcf00ba | 1234 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
c57b2226 | 1235 | &ofproto->no_packet_in_rule); |
7fd51d39 BP |
1236 | if (error) { |
1237 | return error; | |
1238 | } | |
1239 | ||
adcf00ba | 1240 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
7fd51d39 | 1241 | &ofproto->drop_frags_rule); |
adcf00ba AZ |
1242 | if (error) { |
1243 | return error; | |
1244 | } | |
1245 | ||
1246 | /* Continue non-recirculation rule lookups from table 0. | |
1247 | * | |
1248 | * (priority=2), recirc=0, actions=resubmit(, 0) | |
1249 | */ | |
1250 | resubmit = ofpact_put_RESUBMIT(&ofpacts); | |
1251 | resubmit->ofpact.compat = 0; | |
1252 | resubmit->in_port = OFPP_IN_PORT; | |
1253 | resubmit->table_id = 0; | |
1254 | ||
1255 | match_init_catchall(&match); | |
1256 | match_set_recirc_id(&match, 0); | |
1257 | ||
1258 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, &ofpacts, | |
1259 | &unused_rulep); | |
1260 | if (error) { | |
1261 | return error; | |
1262 | } | |
1263 | ||
1264 | /* Drop any run away recirc rule lookups. Recirc_id has to be | |
1265 | * non-zero when reaching this rule. | |
1266 | * | |
1267 | * (priority=1), *, actions=drop | |
1268 | */ | |
1269 | ofpbuf_clear(&ofpacts); | |
1270 | match_init_catchall(&match); | |
1271 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 1, &ofpacts, | |
1272 | &unused_rulep); | |
1273 | ||
c57b2226 BP |
1274 | return error; |
1275 | } | |
1276 | ||
abe529af BP |
1277 | static void |
1278 | destruct(struct ofproto *ofproto_) | |
1279 | { | |
1280 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
7ee20df1 | 1281 | struct rule_dpif *rule, *next_rule; |
0fb7792a | 1282 | struct ofproto_packet_in *pin, *next_pin; |
d0918789 | 1283 | struct oftable *table; |
1b63b91e | 1284 | struct list pins; |
abe529af | 1285 | |
875b94ed | 1286 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
dc24a00f | 1287 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 1288 | xlate_remove_ofproto(ofproto); |
dc24a00f | 1289 | ovs_rwlock_unlock(&xlate_rwlock); |
46c88433 | 1290 | |
3f142f59 BP |
1291 | /* Ensure that the upcall processing threads have no remaining references |
1292 | * to the ofproto or anything in it. */ | |
1293 | udpif_synchronize(ofproto->backer->udpif); | |
1fe409d5 | 1294 | |
b44a10b7 | 1295 | hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node); |
7ee20df1 | 1296 | |
0697b5c3 BP |
1297 | OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) { |
1298 | struct cls_cursor cursor; | |
1299 | ||
06f81620 | 1300 | fat_rwlock_rdlock(&table->cls.rwlock); |
d0918789 | 1301 | cls_cursor_init(&cursor, &table->cls, NULL); |
06f81620 | 1302 | fat_rwlock_unlock(&table->cls.rwlock); |
0697b5c3 | 1303 | CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, up.cr, &cursor) { |
8b81d1ef | 1304 | ofproto_rule_delete(&ofproto->up, &rule->up); |
0697b5c3 | 1305 | } |
7ee20df1 BP |
1306 | } |
1307 | ||
05067881 BP |
1308 | guarded_list_pop_all(&ofproto->pins, &pins); |
1309 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) { | |
ada3a58d | 1310 | list_remove(&pin->list_node); |
0fb7792a | 1311 | free(CONST_CAST(void *, pin->up.packet)); |
ada3a58d EJ |
1312 | free(pin); |
1313 | } | |
05067881 | 1314 | guarded_list_destroy(&ofproto->pins); |
ada3a58d | 1315 | |
ec7ceaed | 1316 | mbridge_unref(ofproto->mbridge); |
abe529af | 1317 | |
8e407f27 | 1318 | netflow_unref(ofproto->netflow); |
9723bcce | 1319 | dpif_sflow_unref(ofproto->sflow); |
abe529af | 1320 | hmap_destroy(&ofproto->bundles); |
5d989517 | 1321 | mac_learning_unref(ofproto->ml); |
abe529af | 1322 | |
52a90c29 BP |
1323 | hmap_destroy(&ofproto->vlandev_map); |
1324 | hmap_destroy(&ofproto->realdev_vid_map); | |
1325 | ||
acf60855 | 1326 | sset_destroy(&ofproto->ports); |
0a740f48 | 1327 | sset_destroy(&ofproto->ghost_ports); |
acf60855 | 1328 | sset_destroy(&ofproto->port_poll_set); |
e1b1d06a | 1329 | |
0da3c61b | 1330 | ovs_mutex_destroy(&ofproto->stats_mutex); |
13501305 EJ |
1331 | ovs_mutex_destroy(&ofproto->vsp_mutex); |
1332 | ||
acf60855 | 1333 | close_dpif_backer(ofproto->backer); |
abe529af BP |
1334 | } |
1335 | ||
5fcc0d00 BP |
1336 | static int |
1337 | run(struct ofproto *ofproto_) | |
1338 | { | |
1339 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
e79a6c83 | 1340 | uint64_t new_seq, new_dump_seq; |
adcf00ba | 1341 | const bool enable_recirc = ofproto_dpif_get_enable_recirc(ofproto); |
5fcc0d00 | 1342 | |
ec7ceaed EJ |
1343 | if (mbridge_need_revalidate(ofproto->mbridge)) { |
1344 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
509c0149 | 1345 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 1346 | mac_learning_flush(ofproto->ml); |
509c0149 | 1347 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
ec7ceaed EJ |
1348 | } |
1349 | ||
a6b7506d | 1350 | /* Do not perform any periodic activity required by 'ofproto' while |
40358701 | 1351 | * waiting for flow restore to complete. */ |
a6b7506d EJ |
1352 | if (!ofproto_get_flow_restore_wait()) { |
1353 | struct ofproto_packet_in *pin, *next_pin; | |
1354 | struct list pins; | |
40358701 | 1355 | |
a6b7506d EJ |
1356 | guarded_list_pop_all(&ofproto->pins, &pins); |
1357 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) { | |
1358 | connmgr_send_packet_in(ofproto->up.connmgr, pin); | |
1359 | list_remove(&pin->list_node); | |
1360 | free(CONST_CAST(void *, pin->up.packet)); | |
1361 | free(pin); | |
1362 | } | |
abe529af BP |
1363 | } |
1364 | ||
abe529af | 1365 | if (ofproto->netflow) { |
8bfaca5b | 1366 | netflow_run(ofproto->netflow); |
abe529af BP |
1367 | } |
1368 | if (ofproto->sflow) { | |
bae473fe | 1369 | dpif_sflow_run(ofproto->sflow); |
abe529af | 1370 | } |
978427a5 RL |
1371 | if (ofproto->ipfix) { |
1372 | dpif_ipfix_run(ofproto->ipfix); | |
1373 | } | |
abe529af | 1374 | |
f23d157c JS |
1375 | new_seq = seq_read(connectivity_seq_get()); |
1376 | if (ofproto->change_seq != new_seq) { | |
1377 | struct ofport_dpif *ofport; | |
1378 | ||
1379 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
1380 | port_run(ofport); | |
1381 | } | |
1382 | ||
1383 | ofproto->change_seq = new_seq; | |
abe529af | 1384 | } |
e2d13c43 JS |
1385 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1386 | struct ofbundle *bundle; | |
1387 | ||
1388 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1389 | bundle_run(bundle); | |
1390 | } | |
abe529af BP |
1391 | } |
1392 | ||
21f7563c | 1393 | stp_run(ofproto); |
509c0149 | 1394 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 EJ |
1395 | if (mac_learning_run(ofproto->ml)) { |
1396 | ofproto->backer->need_revalidate = REV_MAC_LEARNING; | |
1397 | } | |
509c0149 | 1398 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 1399 | |
e79a6c83 EJ |
1400 | new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif)); |
1401 | if (ofproto->dump_seq != new_dump_seq) { | |
1402 | struct rule *rule, *next_rule; | |
1403 | ||
1404 | /* We know stats are relatively fresh, so now is a good time to do some | |
1405 | * periodic work. */ | |
1406 | ofproto->dump_seq = new_dump_seq; | |
1407 | ||
1408 | /* Expire OpenFlow flows whose idle_timeout or hard_timeout | |
1409 | * has passed. */ | |
1410 | ovs_mutex_lock(&ofproto_mutex); | |
1411 | LIST_FOR_EACH_SAFE (rule, next_rule, expirable, | |
1412 | &ofproto->up.expirable) { | |
1413 | rule_expire(rule_dpif_cast(rule)); | |
1414 | } | |
1415 | ovs_mutex_unlock(&ofproto_mutex); | |
1416 | ||
1417 | /* All outstanding data in existing flows has been accounted, so it's a | |
1418 | * good time to do bond rebalancing. */ | |
adcf00ba | 1419 | if (enable_recirc && ofproto->has_bonded_bundles) { |
e79a6c83 EJ |
1420 | struct ofbundle *bundle; |
1421 | ||
1422 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
adcf00ba AZ |
1423 | struct bond *bond = bundle->bond; |
1424 | ||
1425 | if (bond && bond_may_recirc(bond, NULL, NULL)) { | |
1426 | bond_recirculation_account(bond); | |
1427 | if (bond_rebalance(bundle->bond)) { | |
1428 | bond_update_post_recirc_rules(bond, true); | |
1429 | } | |
e79a6c83 EJ |
1430 | } |
1431 | } | |
6814e51f BP |
1432 | } |
1433 | } | |
1434 | ||
abe529af BP |
1435 | return 0; |
1436 | } | |
1437 | ||
1438 | static void | |
1439 | wait(struct ofproto *ofproto_) | |
1440 | { | |
1441 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
abe529af | 1442 | |
40358701 GS |
1443 | if (ofproto_get_flow_restore_wait()) { |
1444 | return; | |
1445 | } | |
1446 | ||
abe529af | 1447 | if (ofproto->sflow) { |
bae473fe | 1448 | dpif_sflow_wait(ofproto->sflow); |
abe529af | 1449 | } |
978427a5 RL |
1450 | if (ofproto->ipfix) { |
1451 | dpif_ipfix_wait(ofproto->ipfix); | |
1452 | } | |
e2d13c43 JS |
1453 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1454 | struct ofbundle *bundle; | |
1455 | ||
1456 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1457 | bundle_wait(bundle); | |
1458 | } | |
abe529af | 1459 | } |
6fca1ffb BP |
1460 | if (ofproto->netflow) { |
1461 | netflow_wait(ofproto->netflow); | |
1462 | } | |
509c0149 | 1463 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
1c313b88 | 1464 | mac_learning_wait(ofproto->ml); |
509c0149 | 1465 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
21f7563c | 1466 | stp_wait(ofproto); |
2cc3c58e | 1467 | if (ofproto->backer->need_revalidate) { |
abe529af BP |
1468 | /* Shouldn't happen, but if it does just go around again. */ |
1469 | VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()"); | |
1470 | poll_immediate_wake(); | |
abe529af | 1471 | } |
abe529af | 1472 | |
e79a6c83 | 1473 | seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq); |
0d085684 BP |
1474 | } |
1475 | ||
1c030aa5 EJ |
1476 | static void |
1477 | type_get_memory_usage(const char *type, struct simap *usage) | |
1478 | { | |
1479 | struct dpif_backer *backer; | |
1480 | ||
1481 | backer = shash_find_data(&all_dpif_backers, type); | |
1482 | if (backer) { | |
1483 | udpif_get_memory_usage(backer->udpif, usage); | |
1484 | } | |
1485 | } | |
1486 | ||
abe529af | 1487 | static void |
1b5b5071 | 1488 | flush(struct ofproto *ofproto_) |
abe529af | 1489 | { |
1b5b5071 AZ |
1490 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
1491 | struct dpif_backer *backer = ofproto->backer; | |
1492 | ||
1493 | if (backer) { | |
1494 | udpif_flush(backer->udpif); | |
1495 | } | |
abe529af BP |
1496 | } |
1497 | ||
6c1491fb BP |
1498 | static void |
1499 | get_features(struct ofproto *ofproto_ OVS_UNUSED, | |
9e1fd49b | 1500 | bool *arp_match_ip, enum ofputil_action_bitmap *actions) |
6c1491fb BP |
1501 | { |
1502 | *arp_match_ip = true; | |
9e1fd49b BP |
1503 | *actions = (OFPUTIL_A_OUTPUT | |
1504 | OFPUTIL_A_SET_VLAN_VID | | |
1505 | OFPUTIL_A_SET_VLAN_PCP | | |
1506 | OFPUTIL_A_STRIP_VLAN | | |
1507 | OFPUTIL_A_SET_DL_SRC | | |
1508 | OFPUTIL_A_SET_DL_DST | | |
1509 | OFPUTIL_A_SET_NW_SRC | | |
1510 | OFPUTIL_A_SET_NW_DST | | |
1511 | OFPUTIL_A_SET_NW_TOS | | |
1512 | OFPUTIL_A_SET_TP_SRC | | |
1513 | OFPUTIL_A_SET_TP_DST | | |
1514 | OFPUTIL_A_ENQUEUE); | |
6c1491fb BP |
1515 | } |
1516 | ||
1517 | static void | |
307975da | 1518 | get_tables(struct ofproto *ofproto_, struct ofp12_table_stats *ots) |
6c1491fb BP |
1519 | { |
1520 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
a8d9304d | 1521 | struct dpif_dp_stats s; |
7fd51d39 | 1522 | uint64_t n_miss, n_no_pkt_in, n_bytes, n_dropped_frags; |
7e741ffb | 1523 | uint64_t n_lookup; |
dc437090 | 1524 | long long int used; |
6c1491fb BP |
1525 | |
1526 | strcpy(ots->name, "classifier"); | |
1527 | ||
acf60855 | 1528 | dpif_get_dp_stats(ofproto->backer->dpif, &s); |
dc437090 JR |
1529 | rule_get_stats(&ofproto->miss_rule->up, &n_miss, &n_bytes, &used); |
1530 | rule_get_stats(&ofproto->no_packet_in_rule->up, &n_no_pkt_in, &n_bytes, | |
1531 | &used); | |
1532 | rule_get_stats(&ofproto->drop_frags_rule->up, &n_dropped_frags, &n_bytes, | |
1533 | &used); | |
7fd51d39 | 1534 | n_lookup = s.n_hit + s.n_missed - n_dropped_frags; |
7e741ffb JG |
1535 | ots->lookup_count = htonll(n_lookup); |
1536 | ots->matched_count = htonll(n_lookup - n_miss - n_no_pkt_in); | |
6c1491fb BP |
1537 | } |
1538 | ||
abe529af BP |
1539 | static struct ofport * |
1540 | port_alloc(void) | |
1541 | { | |
1542 | struct ofport_dpif *port = xmalloc(sizeof *port); | |
1543 | return &port->up; | |
1544 | } | |
1545 | ||
1546 | static void | |
1547 | port_dealloc(struct ofport *port_) | |
1548 | { | |
1549 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1550 | free(port); | |
1551 | } | |
1552 | ||
1553 | static int | |
1554 | port_construct(struct ofport *port_) | |
1555 | { | |
1556 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1557 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
b9ad7294 | 1558 | const struct netdev *netdev = port->up.netdev; |
3aa30359 | 1559 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
e1b1d06a JP |
1560 | struct dpif_port dpif_port; |
1561 | int error; | |
abe529af | 1562 | |
2cc3c58e | 1563 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
1564 | port->bundle = NULL; |
1565 | port->cfm = NULL; | |
ccc09689 | 1566 | port->bfd = NULL; |
d5ffa7f2 | 1567 | port->may_enable = true; |
21f7563c JP |
1568 | port->stp_port = NULL; |
1569 | port->stp_state = STP_DISABLED; | |
42943cde | 1570 | port->is_tunnel = false; |
6cbbf4fa | 1571 | port->peer = NULL; |
55954f6e EJ |
1572 | port->qdscp = NULL; |
1573 | port->n_qdscp = 0; | |
52a90c29 BP |
1574 | port->realdev_ofp_port = 0; |
1575 | port->vlandev_vid = 0; | |
b9ad7294 | 1576 | port->carrier_seq = netdev_get_carrier_resets(netdev); |
a6363cfd | 1577 | port->is_layer3 = netdev_vport_is_layer3(netdev); |
abe529af | 1578 | |
b9ad7294 | 1579 | if (netdev_vport_is_patch(netdev)) { |
743cea45 NM |
1580 | /* By bailing out here, we don't submit the port to the sFlow module |
1581 | * to be considered for counter polling export. This is correct | |
1582 | * because the patch port represents an interface that sFlow considers | |
1583 | * to be "internal" to the switch as a whole, and therefore not an | |
1584 | * candidate for counter polling. */ | |
4e022ec0 | 1585 | port->odp_port = ODPP_NONE; |
6cbbf4fa | 1586 | ofport_update_peer(port); |
0a740f48 EJ |
1587 | return 0; |
1588 | } | |
1589 | ||
acf60855 | 1590 | error = dpif_port_query_by_name(ofproto->backer->dpif, |
3aa30359 BP |
1591 | netdev_vport_get_dpif_port(netdev, namebuf, |
1592 | sizeof namebuf), | |
e1b1d06a JP |
1593 | &dpif_port); |
1594 | if (error) { | |
1595 | return error; | |
1596 | } | |
1597 | ||
1598 | port->odp_port = dpif_port.port_no; | |
1599 | ||
b9ad7294 | 1600 | if (netdev_get_tunnel_config(netdev)) { |
42943cde EJ |
1601 | tnl_port_add(port, port->up.netdev, port->odp_port); |
1602 | port->is_tunnel = true; | |
b9ad7294 EJ |
1603 | } else { |
1604 | /* Sanity-check that a mapping doesn't already exist. This | |
1605 | * shouldn't happen for non-tunnel ports. */ | |
1606 | if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) { | |
1607 | VLOG_ERR("port %s already has an OpenFlow port number", | |
1608 | dpif_port.name); | |
da78d43d | 1609 | dpif_port_destroy(&dpif_port); |
b9ad7294 EJ |
1610 | return EBUSY; |
1611 | } | |
e1b1d06a | 1612 | |
8449c4d6 | 1613 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1614 | hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node, |
f9c0c3ec | 1615 | hash_odp_port(port->odp_port)); |
8449c4d6 | 1616 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1617 | } |
da78d43d | 1618 | dpif_port_destroy(&dpif_port); |
e1b1d06a | 1619 | |
abe529af | 1620 | if (ofproto->sflow) { |
e1b1d06a | 1621 | dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port); |
abe529af BP |
1622 | } |
1623 | ||
1624 | return 0; | |
1625 | } | |
1626 | ||
1627 | static void | |
1628 | port_destruct(struct ofport *port_) | |
1629 | { | |
1630 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1631 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
02f8d646 | 1632 | const char *devname = netdev_get_name(port->up.netdev); |
3aa30359 BP |
1633 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
1634 | const char *dp_port_name; | |
abe529af | 1635 | |
7894e7da | 1636 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
dc24a00f | 1637 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 1638 | xlate_ofport_remove(port); |
dc24a00f | 1639 | ovs_rwlock_unlock(&xlate_rwlock); |
7894e7da | 1640 | |
3aa30359 BP |
1641 | dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf, |
1642 | sizeof namebuf); | |
a614d823 | 1643 | if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
acf60855 JP |
1644 | /* The underlying device is still there, so delete it. This |
1645 | * happens when the ofproto is being destroyed, since the caller | |
1646 | * assumes that removal of attached ports will happen as part of | |
1647 | * destruction. */ | |
42943cde | 1648 | if (!port->is_tunnel) { |
a614d823 KM |
1649 | dpif_port_del(ofproto->backer->dpif, port->odp_port); |
1650 | } | |
acf60855 JP |
1651 | } |
1652 | ||
6cbbf4fa EJ |
1653 | if (port->peer) { |
1654 | port->peer->peer = NULL; | |
1655 | port->peer = NULL; | |
1656 | } | |
1657 | ||
42943cde | 1658 | if (port->odp_port != ODPP_NONE && !port->is_tunnel) { |
8449c4d6 | 1659 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 | 1660 | hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node); |
8449c4d6 | 1661 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 EJ |
1662 | } |
1663 | ||
42943cde | 1664 | tnl_port_del(port); |
02f8d646 | 1665 | sset_find_and_delete(&ofproto->ports, devname); |
0a740f48 | 1666 | sset_find_and_delete(&ofproto->ghost_ports, devname); |
abe529af | 1667 | bundle_remove(port_); |
a5610457 | 1668 | set_cfm(port_, NULL); |
8aee94b6 | 1669 | set_bfd(port_, NULL); |
0c0c32d8 BP |
1670 | if (port->stp_port) { |
1671 | stp_port_disable(port->stp_port); | |
1672 | } | |
abe529af | 1673 | if (ofproto->sflow) { |
bae473fe | 1674 | dpif_sflow_del_port(ofproto->sflow, port->odp_port); |
abe529af | 1675 | } |
8b36f51e | 1676 | |
55954f6e | 1677 | free(port->qdscp); |
abe529af BP |
1678 | } |
1679 | ||
1680 | static void | |
1681 | port_modified(struct ofport *port_) | |
1682 | { | |
1683 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1684 | ||
1685 | if (port->bundle && port->bundle->bond) { | |
1686 | bond_slave_set_netdev(port->bundle->bond, port, port->up.netdev); | |
1687 | } | |
9d46b444 EJ |
1688 | |
1689 | if (port->cfm) { | |
1690 | cfm_set_netdev(port->cfm, port->up.netdev); | |
1691 | } | |
f1e78bbd | 1692 | |
c1c4e8c7 AW |
1693 | if (port->bfd) { |
1694 | bfd_set_netdev(port->bfd, port->up.netdev); | |
1695 | } | |
1696 | ||
635c5db9 AW |
1697 | ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm, |
1698 | port->up.pp.hw_addr); | |
1699 | ||
42943cde EJ |
1700 | if (port->is_tunnel && tnl_port_reconfigure(port, port->up.netdev, |
1701 | port->odp_port)) { | |
7894e7da EJ |
1702 | ofproto_dpif_cast(port->up.ofproto)->backer->need_revalidate = |
1703 | REV_RECONFIGURE; | |
f1e78bbd | 1704 | } |
6cbbf4fa EJ |
1705 | |
1706 | ofport_update_peer(port); | |
abe529af BP |
1707 | } |
1708 | ||
1709 | static void | |
9e1fd49b | 1710 | port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config) |
abe529af BP |
1711 | { |
1712 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1713 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
9e1fd49b | 1714 | enum ofputil_port_config changed = old_config ^ port->up.pp.config; |
abe529af | 1715 | |
9e1fd49b | 1716 | if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP | |
c57b2226 BP |
1717 | OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD | |
1718 | OFPUTIL_PC_NO_PACKET_IN)) { | |
2cc3c58e | 1719 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7bde8dd8 | 1720 | |
9e1fd49b | 1721 | if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) { |
7bde8dd8 JP |
1722 | bundle_update(port->bundle); |
1723 | } | |
abe529af BP |
1724 | } |
1725 | } | |
1726 | ||
1727 | static int | |
1728 | set_sflow(struct ofproto *ofproto_, | |
1729 | const struct ofproto_sflow_options *sflow_options) | |
1730 | { | |
1731 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
bae473fe | 1732 | struct dpif_sflow *ds = ofproto->sflow; |
6ff686f2 | 1733 | |
abe529af | 1734 | if (sflow_options) { |
bae473fe | 1735 | if (!ds) { |
abe529af BP |
1736 | struct ofport_dpif *ofport; |
1737 | ||
4213f19d | 1738 | ds = ofproto->sflow = dpif_sflow_create(); |
abe529af | 1739 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { |
e1b1d06a | 1740 | dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port); |
abe529af | 1741 | } |
2cc3c58e | 1742 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 1743 | } |
bae473fe | 1744 | dpif_sflow_set_options(ds, sflow_options); |
abe529af | 1745 | } else { |
6ff686f2 | 1746 | if (ds) { |
9723bcce | 1747 | dpif_sflow_unref(ds); |
2cc3c58e | 1748 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6ff686f2 PS |
1749 | ofproto->sflow = NULL; |
1750 | } | |
abe529af BP |
1751 | } |
1752 | return 0; | |
1753 | } | |
1754 | ||
29089a54 RL |
1755 | static int |
1756 | set_ipfix( | |
1757 | struct ofproto *ofproto_, | |
1758 | const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options, | |
1759 | const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options, | |
1760 | size_t n_flow_exporters_options) | |
1761 | { | |
1762 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1763 | struct dpif_ipfix *di = ofproto->ipfix; | |
978427a5 | 1764 | bool has_options = bridge_exporter_options || flow_exporters_options; |
29089a54 | 1765 | |
978427a5 RL |
1766 | if (has_options && !di) { |
1767 | di = ofproto->ipfix = dpif_ipfix_create(); | |
1768 | } | |
1769 | ||
1770 | if (di) { | |
1771 | /* Call set_options in any case to cleanly flush the flow | |
1772 | * caches in the last exporters that are to be destroyed. */ | |
29089a54 RL |
1773 | dpif_ipfix_set_options( |
1774 | di, bridge_exporter_options, flow_exporters_options, | |
1775 | n_flow_exporters_options); | |
978427a5 RL |
1776 | |
1777 | if (!has_options) { | |
d857c8aa | 1778 | dpif_ipfix_unref(di); |
29089a54 RL |
1779 | ofproto->ipfix = NULL; |
1780 | } | |
1781 | } | |
978427a5 | 1782 | |
29089a54 RL |
1783 | return 0; |
1784 | } | |
1785 | ||
abe529af | 1786 | static int |
a5610457 | 1787 | set_cfm(struct ofport *ofport_, const struct cfm_settings *s) |
abe529af BP |
1788 | { |
1789 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
635c5db9 | 1790 | int error = 0; |
abe529af | 1791 | |
635c5db9 | 1792 | if (s) { |
abe529af | 1793 | if (!ofport->cfm) { |
8c977421 EJ |
1794 | struct ofproto_dpif *ofproto; |
1795 | ||
1796 | ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2cc3c58e | 1797 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
90967e95 | 1798 | ofport->cfm = cfm_create(ofport->up.netdev); |
abe529af BP |
1799 | } |
1800 | ||
a5610457 | 1801 | if (cfm_configure(ofport->cfm, s)) { |
635c5db9 AW |
1802 | error = 0; |
1803 | goto out; | |
abe529af BP |
1804 | } |
1805 | ||
1806 | error = EINVAL; | |
1807 | } | |
8e9a73fa | 1808 | cfm_unref(ofport->cfm); |
abe529af | 1809 | ofport->cfm = NULL; |
635c5db9 AW |
1810 | out: |
1811 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, | |
1812 | ofport->up.pp.hw_addr); | |
abe529af BP |
1813 | return error; |
1814 | } | |
1815 | ||
9a9e3786 BP |
1816 | static bool |
1817 | get_cfm_status(const struct ofport *ofport_, | |
1818 | struct ofproto_cfm_status *status) | |
1de11730 EJ |
1819 | { |
1820 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1821 | ||
1822 | if (ofport->cfm) { | |
9a9e3786 | 1823 | status->faults = cfm_get_fault(ofport->cfm); |
76c4290d | 1824 | status->flap_count = cfm_get_flap_count(ofport->cfm); |
9a9e3786 BP |
1825 | status->remote_opstate = cfm_get_opup(ofport->cfm); |
1826 | status->health = cfm_get_health(ofport->cfm); | |
1827 | cfm_get_remote_mpids(ofport->cfm, &status->rmps, &status->n_rmps); | |
1828 | return true; | |
1de11730 | 1829 | } else { |
9a9e3786 | 1830 | return false; |
1de11730 EJ |
1831 | } |
1832 | } | |
ccc09689 EJ |
1833 | |
1834 | static int | |
1835 | set_bfd(struct ofport *ofport_, const struct smap *cfg) | |
1836 | { | |
1837 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
1838 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1839 | struct bfd *old; | |
1840 | ||
1841 | old = ofport->bfd; | |
c1c4e8c7 AW |
1842 | ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev), |
1843 | cfg, ofport->up.netdev); | |
ccc09689 EJ |
1844 | if (ofport->bfd != old) { |
1845 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
1846 | } | |
635c5db9 AW |
1847 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, |
1848 | ofport->up.pp.hw_addr); | |
ccc09689 EJ |
1849 | return 0; |
1850 | } | |
1851 | ||
1852 | static int | |
1853 | get_bfd_status(struct ofport *ofport_, struct smap *smap) | |
1854 | { | |
1855 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1856 | ||
1857 | if (ofport->bfd) { | |
1858 | bfd_get_status(ofport->bfd, smap); | |
1859 | return 0; | |
1860 | } else { | |
1861 | return ENOENT; | |
1862 | } | |
1863 | } | |
abe529af | 1864 | \f |
21f7563c JP |
1865 | /* Spanning Tree. */ |
1866 | ||
1867 | static void | |
1868 | send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_) | |
1869 | { | |
1870 | struct ofproto_dpif *ofproto = ofproto_; | |
1871 | struct stp_port *sp = stp_get_port(ofproto->stp, port_num); | |
1872 | struct ofport_dpif *ofport; | |
1873 | ||
1874 | ofport = stp_port_get_aux(sp); | |
1875 | if (!ofport) { | |
1876 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d", | |
1877 | ofproto->up.name, port_num); | |
1878 | } else { | |
cf3b7538 | 1879 | struct eth_header *eth = ofpbuf_l2(pkt); |
21f7563c JP |
1880 | |
1881 | netdev_get_etheraddr(ofport->up.netdev, eth->eth_src); | |
1882 | if (eth_addr_is_zero(eth->eth_src)) { | |
1883 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d " | |
1884 | "with unknown MAC", ofproto->up.name, port_num); | |
1885 | } else { | |
91d6cd12 | 1886 | ofproto_dpif_send_packet(ofport, pkt); |
21f7563c JP |
1887 | } |
1888 | } | |
1889 | ofpbuf_delete(pkt); | |
1890 | } | |
1891 | ||
1892 | /* Configures STP on 'ofproto_' using the settings defined in 's'. */ | |
1893 | static int | |
1894 | set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s) | |
1895 | { | |
1896 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1897 | ||
1898 | /* Only revalidate flows if the configuration changed. */ | |
1899 | if (!s != !ofproto->stp) { | |
2cc3c58e | 1900 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
21f7563c JP |
1901 | } |
1902 | ||
1903 | if (s) { | |
1904 | if (!ofproto->stp) { | |
1905 | ofproto->stp = stp_create(ofproto_->name, s->system_id, | |
1906 | send_bpdu_cb, ofproto); | |
1907 | ofproto->stp_last_tick = time_msec(); | |
1908 | } | |
1909 | ||
1910 | stp_set_bridge_id(ofproto->stp, s->system_id); | |
1911 | stp_set_bridge_priority(ofproto->stp, s->priority); | |
1912 | stp_set_hello_time(ofproto->stp, s->hello_time); | |
1913 | stp_set_max_age(ofproto->stp, s->max_age); | |
1914 | stp_set_forward_delay(ofproto->stp, s->fwd_delay); | |
1915 | } else { | |
851bf71d EJ |
1916 | struct ofport *ofport; |
1917 | ||
1918 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
1919 | set_stp_port(ofport, NULL); | |
1920 | } | |
1921 | ||
bd54dbcd | 1922 | stp_unref(ofproto->stp); |
21f7563c JP |
1923 | ofproto->stp = NULL; |
1924 | } | |
1925 | ||
1926 | return 0; | |
1927 | } | |
1928 | ||
1929 | static int | |
1930 | get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s) | |
1931 | { | |
1932 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1933 | ||
1934 | if (ofproto->stp) { | |
1935 | s->enabled = true; | |
1936 | s->bridge_id = stp_get_bridge_id(ofproto->stp); | |
1937 | s->designated_root = stp_get_designated_root(ofproto->stp); | |
1938 | s->root_path_cost = stp_get_root_path_cost(ofproto->stp); | |
1939 | } else { | |
1940 | s->enabled = false; | |
1941 | } | |
1942 | ||
1943 | return 0; | |
1944 | } | |
1945 | ||
1946 | static void | |
1947 | update_stp_port_state(struct ofport_dpif *ofport) | |
1948 | { | |
1949 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
1950 | enum stp_state state; | |
1951 | ||
1952 | /* Figure out new state. */ | |
1953 | state = ofport->stp_port ? stp_port_get_state(ofport->stp_port) | |
1954 | : STP_DISABLED; | |
1955 | ||
1956 | /* Update state. */ | |
1957 | if (ofport->stp_state != state) { | |
9e1fd49b | 1958 | enum ofputil_port_state of_state; |
21f7563c JP |
1959 | bool fwd_change; |
1960 | ||
1961 | VLOG_DBG_RL(&rl, "port %s: STP state changed from %s to %s", | |
1962 | netdev_get_name(ofport->up.netdev), | |
1963 | stp_state_name(ofport->stp_state), | |
1964 | stp_state_name(state)); | |
1965 | if (stp_learn_in_state(ofport->stp_state) | |
1966 | != stp_learn_in_state(state)) { | |
1967 | /* xxx Learning action flows should also be flushed. */ | |
509c0149 | 1968 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 1969 | mac_learning_flush(ofproto->ml); |
509c0149 | 1970 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
21f7563c JP |
1971 | } |
1972 | fwd_change = stp_forward_in_state(ofport->stp_state) | |
1973 | != stp_forward_in_state(state); | |
1974 | ||
2cc3c58e | 1975 | ofproto->backer->need_revalidate = REV_STP; |
21f7563c JP |
1976 | ofport->stp_state = state; |
1977 | ofport->stp_state_entered = time_msec(); | |
1978 | ||
b308140a | 1979 | if (fwd_change && ofport->bundle) { |
21f7563c JP |
1980 | bundle_update(ofport->bundle); |
1981 | } | |
1982 | ||
1983 | /* Update the STP state bits in the OpenFlow port description. */ | |
9e1fd49b BP |
1984 | of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK; |
1985 | of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN | |
1986 | : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN | |
1987 | : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD | |
1988 | : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK | |
1989 | : 0); | |
21f7563c JP |
1990 | ofproto_port_set_state(&ofport->up, of_state); |
1991 | } | |
1992 | } | |
1993 | ||
1994 | /* Configures STP on 'ofport_' using the settings defined in 's'. The | |
1995 | * caller is responsible for assigning STP port numbers and ensuring | |
1996 | * there are no duplicates. */ | |
1997 | static int | |
1998 | set_stp_port(struct ofport *ofport_, | |
1999 | const struct ofproto_port_stp_settings *s) | |
2000 | { | |
2001 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2002 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2003 | struct stp_port *sp = ofport->stp_port; | |
2004 | ||
2005 | if (!s || !s->enable) { | |
2006 | if (sp) { | |
2007 | ofport->stp_port = NULL; | |
2008 | stp_port_disable(sp); | |
ecd12731 | 2009 | update_stp_port_state(ofport); |
21f7563c JP |
2010 | } |
2011 | return 0; | |
2012 | } else if (sp && stp_port_no(sp) != s->port_num | |
2013 | && ofport == stp_port_get_aux(sp)) { | |
2014 | /* The port-id changed, so disable the old one if it's not | |
2015 | * already in use by another port. */ | |
2016 | stp_port_disable(sp); | |
2017 | } | |
2018 | ||
2019 | sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num); | |
2020 | stp_port_enable(sp); | |
2021 | ||
2022 | stp_port_set_aux(sp, ofport); | |
2023 | stp_port_set_priority(sp, s->priority); | |
2024 | stp_port_set_path_cost(sp, s->path_cost); | |
2025 | ||
2026 | update_stp_port_state(ofport); | |
2027 | ||
2028 | return 0; | |
2029 | } | |
2030 | ||
2031 | static int | |
2032 | get_stp_port_status(struct ofport *ofport_, | |
2033 | struct ofproto_port_stp_status *s) | |
2034 | { | |
2035 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2036 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2037 | struct stp_port *sp = ofport->stp_port; | |
2038 | ||
2039 | if (!ofproto->stp || !sp) { | |
2040 | s->enabled = false; | |
2041 | return 0; | |
2042 | } | |
2043 | ||
2044 | s->enabled = true; | |
2045 | s->port_id = stp_port_get_id(sp); | |
2046 | s->state = stp_port_get_state(sp); | |
2047 | s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000; | |
2048 | s->role = stp_port_get_role(sp); | |
fd28ce3a JS |
2049 | |
2050 | return 0; | |
2051 | } | |
2052 | ||
2053 | static int | |
2054 | get_stp_port_stats(struct ofport *ofport_, | |
2055 | struct ofproto_port_stp_stats *s) | |
2056 | { | |
2057 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2058 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2059 | struct stp_port *sp = ofport->stp_port; | |
2060 | ||
2061 | if (!ofproto->stp || !sp) { | |
2062 | s->enabled = false; | |
2063 | return 0; | |
2064 | } | |
2065 | ||
2066 | s->enabled = true; | |
80740385 | 2067 | stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count); |
21f7563c JP |
2068 | |
2069 | return 0; | |
2070 | } | |
2071 | ||
2072 | static void | |
2073 | stp_run(struct ofproto_dpif *ofproto) | |
2074 | { | |
2075 | if (ofproto->stp) { | |
2076 | long long int now = time_msec(); | |
2077 | long long int elapsed = now - ofproto->stp_last_tick; | |
2078 | struct stp_port *sp; | |
2079 | ||
2080 | if (elapsed > 0) { | |
2081 | stp_tick(ofproto->stp, MIN(INT_MAX, elapsed)); | |
2082 | ofproto->stp_last_tick = now; | |
2083 | } | |
2084 | while (stp_get_changed_port(ofproto->stp, &sp)) { | |
2085 | struct ofport_dpif *ofport = stp_port_get_aux(sp); | |
2086 | ||
2087 | if (ofport) { | |
2088 | update_stp_port_state(ofport); | |
2089 | } | |
2090 | } | |
6ae50723 EJ |
2091 | |
2092 | if (stp_check_and_reset_fdb_flush(ofproto->stp)) { | |
509c0149 | 2093 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 2094 | mac_learning_flush(ofproto->ml); |
509c0149 | 2095 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6ae50723 | 2096 | } |
21f7563c JP |
2097 | } |
2098 | } | |
2099 | ||
2100 | static void | |
2101 | stp_wait(struct ofproto_dpif *ofproto) | |
2102 | { | |
2103 | if (ofproto->stp) { | |
2104 | poll_timer_wait(1000); | |
2105 | } | |
2106 | } | |
21f7563c | 2107 | \f |
8b36f51e | 2108 | static int |
55954f6e | 2109 | set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp, |
8b36f51e EJ |
2110 | size_t n_qdscp) |
2111 | { | |
2112 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2113 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
8b36f51e | 2114 | |
55954f6e EJ |
2115 | if (ofport->n_qdscp != n_qdscp |
2116 | || (n_qdscp && memcmp(ofport->qdscp, qdscp, | |
2117 | n_qdscp * sizeof *qdscp))) { | |
2cc3c58e | 2118 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
55954f6e EJ |
2119 | free(ofport->qdscp); |
2120 | ofport->qdscp = n_qdscp | |
2121 | ? xmemdup(qdscp, n_qdscp * sizeof *qdscp) | |
2122 | : NULL; | |
2123 | ofport->n_qdscp = n_qdscp; | |
8b36f51e EJ |
2124 | } |
2125 | ||
8b36f51e EJ |
2126 | return 0; |
2127 | } | |
2128 | \f | |
abe529af BP |
2129 | /* Bundles. */ |
2130 | ||
b44a10b7 BP |
2131 | /* Expires all MAC learning entries associated with 'bundle' and forces its |
2132 | * ofproto to revalidate every flow. | |
2133 | * | |
2134 | * Normally MAC learning entries are removed only from the ofproto associated | |
2135 | * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries | |
2136 | * are removed from every ofproto. When patch ports and SLB bonds are in use | |
2137 | * and a VM migration happens and the gratuitous ARPs are somehow lost, this | |
2138 | * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate | |
2139 | * with the host from which it migrated. */ | |
abe529af | 2140 | static void |
b44a10b7 | 2141 | bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos) |
abe529af BP |
2142 | { |
2143 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
2144 | struct mac_learning *ml = ofproto->ml; | |
2145 | struct mac_entry *mac, *next_mac; | |
2146 | ||
2cc3c58e | 2147 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
509c0149 | 2148 | ovs_rwlock_wrlock(&ml->rwlock); |
abe529af BP |
2149 | LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) { |
2150 | if (mac->port.p == bundle) { | |
b44a10b7 BP |
2151 | if (all_ofprotos) { |
2152 | struct ofproto_dpif *o; | |
2153 | ||
2154 | HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
2155 | if (o != ofproto) { | |
2156 | struct mac_entry *e; | |
2157 | ||
509c0149 | 2158 | ovs_rwlock_wrlock(&o->ml->rwlock); |
30618594 | 2159 | e = mac_learning_lookup(o->ml, mac->mac, mac->vlan); |
b44a10b7 | 2160 | if (e) { |
b44a10b7 BP |
2161 | mac_learning_expire(o->ml, e); |
2162 | } | |
509c0149 | 2163 | ovs_rwlock_unlock(&o->ml->rwlock); |
b44a10b7 BP |
2164 | } |
2165 | } | |
2166 | } | |
2167 | ||
abe529af BP |
2168 | mac_learning_expire(ml, mac); |
2169 | } | |
2170 | } | |
509c0149 | 2171 | ovs_rwlock_unlock(&ml->rwlock); |
abe529af BP |
2172 | } |
2173 | ||
2174 | static struct ofbundle * | |
2175 | bundle_lookup(const struct ofproto_dpif *ofproto, void *aux) | |
2176 | { | |
2177 | struct ofbundle *bundle; | |
2178 | ||
2179 | HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0), | |
2180 | &ofproto->bundles) { | |
2181 | if (bundle->aux == aux) { | |
2182 | return bundle; | |
2183 | } | |
2184 | } | |
2185 | return NULL; | |
2186 | } | |
2187 | ||
7bde8dd8 JP |
2188 | static void |
2189 | bundle_update(struct ofbundle *bundle) | |
2190 | { | |
2191 | struct ofport_dpif *port; | |
2192 | ||
2193 | bundle->floodable = true; | |
2194 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
9e1fd49b | 2195 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2196 | || port->is_layer3 |
9e1fd49b | 2197 | || !stp_forward_in_state(port->stp_state)) { |
7bde8dd8 JP |
2198 | bundle->floodable = false; |
2199 | break; | |
2200 | } | |
2201 | } | |
2202 | } | |
2203 | ||
abe529af BP |
2204 | static void |
2205 | bundle_del_port(struct ofport_dpif *port) | |
2206 | { | |
2207 | struct ofbundle *bundle = port->bundle; | |
2208 | ||
2cc3c58e | 2209 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6f77f4ae | 2210 | |
abe529af BP |
2211 | list_remove(&port->bundle_node); |
2212 | port->bundle = NULL; | |
2213 | ||
2214 | if (bundle->lacp) { | |
2215 | lacp_slave_unregister(bundle->lacp, port); | |
2216 | } | |
2217 | if (bundle->bond) { | |
2218 | bond_slave_unregister(bundle->bond, port); | |
2219 | } | |
2220 | ||
7bde8dd8 | 2221 | bundle_update(bundle); |
abe529af BP |
2222 | } |
2223 | ||
2224 | static bool | |
4e022ec0 | 2225 | bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port, |
df53d41c | 2226 | struct lacp_slave_settings *lacp) |
abe529af BP |
2227 | { |
2228 | struct ofport_dpif *port; | |
2229 | ||
2230 | port = get_ofp_port(bundle->ofproto, ofp_port); | |
2231 | if (!port) { | |
2232 | return false; | |
2233 | } | |
2234 | ||
2235 | if (port->bundle != bundle) { | |
2cc3c58e | 2236 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 2237 | if (port->bundle) { |
e019a574 | 2238 | bundle_remove(&port->up); |
abe529af BP |
2239 | } |
2240 | ||
2241 | port->bundle = bundle; | |
2242 | list_push_back(&bundle->ports, &port->bundle_node); | |
9e1fd49b | 2243 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2244 | || port->is_layer3 |
9e1fd49b | 2245 | || !stp_forward_in_state(port->stp_state)) { |
abe529af BP |
2246 | bundle->floodable = false; |
2247 | } | |
2248 | } | |
2249 | if (lacp) { | |
2cc3c58e | 2250 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2251 | lacp_slave_register(bundle->lacp, port, lacp); |
2252 | } | |
2253 | ||
2254 | return true; | |
2255 | } | |
2256 | ||
2257 | static void | |
2258 | bundle_destroy(struct ofbundle *bundle) | |
2259 | { | |
2260 | struct ofproto_dpif *ofproto; | |
2261 | struct ofport_dpif *port, *next_port; | |
abe529af BP |
2262 | |
2263 | if (!bundle) { | |
2264 | return; | |
2265 | } | |
2266 | ||
2267 | ofproto = bundle->ofproto; | |
ec7ceaed | 2268 | mbridge_unregister_bundle(ofproto->mbridge, bundle->aux); |
abe529af | 2269 | |
dc24a00f | 2270 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 2271 | xlate_bundle_remove(bundle); |
dc24a00f | 2272 | ovs_rwlock_unlock(&xlate_rwlock); |
46c88433 | 2273 | |
abe529af BP |
2274 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { |
2275 | bundle_del_port(port); | |
2276 | } | |
2277 | ||
b44a10b7 | 2278 | bundle_flush_macs(bundle, true); |
abe529af BP |
2279 | hmap_remove(&ofproto->bundles, &bundle->hmap_node); |
2280 | free(bundle->name); | |
2281 | free(bundle->trunks); | |
91779071 | 2282 | lacp_unref(bundle->lacp); |
03366a2d | 2283 | bond_unref(bundle->bond); |
abe529af BP |
2284 | free(bundle); |
2285 | } | |
2286 | ||
2287 | static int | |
2288 | bundle_set(struct ofproto *ofproto_, void *aux, | |
2289 | const struct ofproto_bundle_settings *s) | |
2290 | { | |
2291 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2292 | bool need_flush = false; | |
abe529af BP |
2293 | struct ofport_dpif *port; |
2294 | struct ofbundle *bundle; | |
ecac4ebf BP |
2295 | unsigned long *trunks; |
2296 | int vlan; | |
abe529af BP |
2297 | size_t i; |
2298 | bool ok; | |
2299 | ||
2300 | if (!s) { | |
2301 | bundle_destroy(bundle_lookup(ofproto, aux)); | |
2302 | return 0; | |
2303 | } | |
2304 | ||
cb22974d BP |
2305 | ovs_assert(s->n_slaves == 1 || s->bond != NULL); |
2306 | ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL)); | |
abe529af BP |
2307 | |
2308 | bundle = bundle_lookup(ofproto, aux); | |
2309 | if (!bundle) { | |
2310 | bundle = xmalloc(sizeof *bundle); | |
2311 | ||
2312 | bundle->ofproto = ofproto; | |
2313 | hmap_insert(&ofproto->bundles, &bundle->hmap_node, | |
2314 | hash_pointer(aux, 0)); | |
2315 | bundle->aux = aux; | |
2316 | bundle->name = NULL; | |
2317 | ||
2318 | list_init(&bundle->ports); | |
ecac4ebf | 2319 | bundle->vlan_mode = PORT_VLAN_TRUNK; |
abe529af BP |
2320 | bundle->vlan = -1; |
2321 | bundle->trunks = NULL; | |
5e9ceccd | 2322 | bundle->use_priority_tags = s->use_priority_tags; |
abe529af BP |
2323 | bundle->lacp = NULL; |
2324 | bundle->bond = NULL; | |
2325 | ||
2326 | bundle->floodable = true; | |
ec7ceaed | 2327 | mbridge_register_bundle(ofproto->mbridge, bundle); |
abe529af BP |
2328 | } |
2329 | ||
2330 | if (!bundle->name || strcmp(s->name, bundle->name)) { | |
2331 | free(bundle->name); | |
2332 | bundle->name = xstrdup(s->name); | |
2333 | } | |
2334 | ||
2335 | /* LACP. */ | |
2336 | if (s->lacp) { | |
e2d13c43 | 2337 | ofproto->lacp_enabled = true; |
abe529af | 2338 | if (!bundle->lacp) { |
2cc3c58e | 2339 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2340 | bundle->lacp = lacp_create(); |
2341 | } | |
2342 | lacp_configure(bundle->lacp, s->lacp); | |
2343 | } else { | |
91779071 | 2344 | lacp_unref(bundle->lacp); |
abe529af BP |
2345 | bundle->lacp = NULL; |
2346 | } | |
2347 | ||
2348 | /* Update set of ports. */ | |
2349 | ok = true; | |
2350 | for (i = 0; i < s->n_slaves; i++) { | |
2351 | if (!bundle_add_port(bundle, s->slaves[i], | |
df53d41c | 2352 | s->lacp ? &s->lacp_slaves[i] : NULL)) { |
abe529af BP |
2353 | ok = false; |
2354 | } | |
2355 | } | |
2356 | if (!ok || list_size(&bundle->ports) != s->n_slaves) { | |
2357 | struct ofport_dpif *next_port; | |
2358 | ||
2359 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { | |
2360 | for (i = 0; i < s->n_slaves; i++) { | |
56c769ab | 2361 | if (s->slaves[i] == port->up.ofp_port) { |
abe529af BP |
2362 | goto found; |
2363 | } | |
2364 | } | |
2365 | ||
2366 | bundle_del_port(port); | |
2367 | found: ; | |
2368 | } | |
2369 | } | |
cb22974d | 2370 | ovs_assert(list_size(&bundle->ports) <= s->n_slaves); |
abe529af BP |
2371 | |
2372 | if (list_is_empty(&bundle->ports)) { | |
2373 | bundle_destroy(bundle); | |
2374 | return EINVAL; | |
2375 | } | |
2376 | ||
ecac4ebf | 2377 | /* Set VLAN tagging mode */ |
5e9ceccd BP |
2378 | if (s->vlan_mode != bundle->vlan_mode |
2379 | || s->use_priority_tags != bundle->use_priority_tags) { | |
ecac4ebf | 2380 | bundle->vlan_mode = s->vlan_mode; |
5e9ceccd | 2381 | bundle->use_priority_tags = s->use_priority_tags; |
ecac4ebf BP |
2382 | need_flush = true; |
2383 | } | |
2384 | ||
abe529af | 2385 | /* Set VLAN tag. */ |
ecac4ebf BP |
2386 | vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1 |
2387 | : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan | |
2388 | : 0); | |
2389 | if (vlan != bundle->vlan) { | |
2390 | bundle->vlan = vlan; | |
abe529af BP |
2391 | need_flush = true; |
2392 | } | |
2393 | ||
2394 | /* Get trunked VLANs. */ | |
ecac4ebf BP |
2395 | switch (s->vlan_mode) { |
2396 | case PORT_VLAN_ACCESS: | |
2397 | trunks = NULL; | |
2398 | break; | |
2399 | ||
2400 | case PORT_VLAN_TRUNK: | |
ebc56baa | 2401 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2402 | break; |
2403 | ||
2404 | case PORT_VLAN_NATIVE_UNTAGGED: | |
2405 | case PORT_VLAN_NATIVE_TAGGED: | |
2406 | if (vlan != 0 && (!s->trunks | |
2407 | || !bitmap_is_set(s->trunks, vlan) | |
2408 | || bitmap_is_set(s->trunks, 0))) { | |
2409 | /* Force trunking the native VLAN and prohibit trunking VLAN 0. */ | |
2410 | if (s->trunks) { | |
2411 | trunks = bitmap_clone(s->trunks, 4096); | |
2412 | } else { | |
2413 | trunks = bitmap_allocate1(4096); | |
2414 | } | |
2415 | bitmap_set1(trunks, vlan); | |
2416 | bitmap_set0(trunks, 0); | |
2417 | } else { | |
ebc56baa | 2418 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2419 | } |
2420 | break; | |
2421 | ||
2422 | default: | |
428b2edd | 2423 | OVS_NOT_REACHED(); |
ecac4ebf | 2424 | } |
abe529af BP |
2425 | if (!vlan_bitmap_equal(trunks, bundle->trunks)) { |
2426 | free(bundle->trunks); | |
ecac4ebf BP |
2427 | if (trunks == s->trunks) { |
2428 | bundle->trunks = vlan_bitmap_clone(trunks); | |
2429 | } else { | |
2430 | bundle->trunks = trunks; | |
2431 | trunks = NULL; | |
2432 | } | |
abe529af BP |
2433 | need_flush = true; |
2434 | } | |
ecac4ebf BP |
2435 | if (trunks != s->trunks) { |
2436 | free(trunks); | |
2437 | } | |
abe529af BP |
2438 | |
2439 | /* Bonding. */ | |
2440 | if (!list_is_short(&bundle->ports)) { | |
2441 | bundle->ofproto->has_bonded_bundles = true; | |
2442 | if (bundle->bond) { | |
2443 | if (bond_reconfigure(bundle->bond, s->bond)) { | |
2cc3c58e | 2444 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2445 | } |
2446 | } else { | |
adcf00ba | 2447 | bundle->bond = bond_create(s->bond, ofproto); |
2cc3c58e | 2448 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2449 | } |
2450 | ||
2451 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
adcf00ba AZ |
2452 | bond_slave_register(bundle->bond, port, |
2453 | port->up.ofp_port, port->up.netdev); | |
abe529af BP |
2454 | } |
2455 | } else { | |
03366a2d | 2456 | bond_unref(bundle->bond); |
abe529af BP |
2457 | bundle->bond = NULL; |
2458 | } | |
2459 | ||
2460 | /* If we changed something that would affect MAC learning, un-learn | |
2461 | * everything on this port and force flow revalidation. */ | |
2462 | if (need_flush) { | |
b44a10b7 | 2463 | bundle_flush_macs(bundle, false); |
abe529af BP |
2464 | } |
2465 | ||
2466 | return 0; | |
2467 | } | |
2468 | ||
2469 | static void | |
2470 | bundle_remove(struct ofport *port_) | |
2471 | { | |
2472 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
2473 | struct ofbundle *bundle = port->bundle; | |
2474 | ||
2475 | if (bundle) { | |
2476 | bundle_del_port(port); | |
2477 | if (list_is_empty(&bundle->ports)) { | |
2478 | bundle_destroy(bundle); | |
2479 | } else if (list_is_short(&bundle->ports)) { | |
03366a2d | 2480 | bond_unref(bundle->bond); |
abe529af BP |
2481 | bundle->bond = NULL; |
2482 | } | |
2483 | } | |
2484 | } | |
2485 | ||
2486 | static void | |
5f877369 | 2487 | send_pdu_cb(void *port_, const void *pdu, size_t pdu_size) |
abe529af BP |
2488 | { |
2489 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10); | |
2490 | struct ofport_dpif *port = port_; | |
2491 | uint8_t ea[ETH_ADDR_LEN]; | |
2492 | int error; | |
2493 | ||
2494 | error = netdev_get_etheraddr(port->up.netdev, ea); | |
2495 | if (!error) { | |
abe529af | 2496 | struct ofpbuf packet; |
5f877369 | 2497 | void *packet_pdu; |
abe529af BP |
2498 | |
2499 | ofpbuf_init(&packet, 0); | |
2500 | packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP, | |
5f877369 EJ |
2501 | pdu_size); |
2502 | memcpy(packet_pdu, pdu, pdu_size); | |
2503 | ||
91d6cd12 | 2504 | ofproto_dpif_send_packet(port, &packet); |
abe529af BP |
2505 | ofpbuf_uninit(&packet); |
2506 | } else { | |
2507 | VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface " | |
2508 | "%s (%s)", port->bundle->name, | |
10a89ef0 | 2509 | netdev_get_name(port->up.netdev), ovs_strerror(error)); |
abe529af BP |
2510 | } |
2511 | } | |
2512 | ||
2513 | static void | |
2514 | bundle_send_learning_packets(struct ofbundle *bundle) | |
2515 | { | |
2516 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
0165217e | 2517 | struct ofpbuf *learning_packet; |
abe529af BP |
2518 | int error, n_packets, n_errors; |
2519 | struct mac_entry *e; | |
0165217e | 2520 | struct list packets; |
abe529af | 2521 | |
0165217e | 2522 | list_init(&packets); |
509c0149 | 2523 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
2524 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
2525 | if (e->port.p != bundle) { | |
4dd1e3ca | 2526 | void *port_void; |
ea131871 | 2527 | |
4dd1e3ca BP |
2528 | learning_packet = bond_compose_learning_packet(bundle->bond, |
2529 | e->mac, e->vlan, | |
2530 | &port_void); | |
cf3b7538 JR |
2531 | /* Temporarily use 'frame' as a private pointer (see below). */ |
2532 | ovs_assert(learning_packet->frame == ofpbuf_data(learning_packet)); | |
2533 | learning_packet->frame = port_void; | |
0165217e | 2534 | list_push_back(&packets, &learning_packet->list_node); |
abe529af BP |
2535 | } |
2536 | } | |
509c0149 | 2537 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 2538 | |
0165217e EJ |
2539 | error = n_packets = n_errors = 0; |
2540 | LIST_FOR_EACH (learning_packet, list_node, &packets) { | |
2541 | int ret; | |
cf3b7538 | 2542 | void *port_void = learning_packet->frame; |
0165217e | 2543 | |
cf3b7538 JR |
2544 | /* Restore 'frame'. */ |
2545 | learning_packet->frame = ofpbuf_data(learning_packet); | |
437d0d22 | 2546 | ret = ofproto_dpif_send_packet(port_void, learning_packet); |
0165217e EJ |
2547 | if (ret) { |
2548 | error = ret; | |
2549 | n_errors++; | |
2550 | } | |
2551 | n_packets++; | |
2552 | } | |
2553 | ofpbuf_list_delete(&packets); | |
2554 | ||
abe529af BP |
2555 | if (n_errors) { |
2556 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
2557 | VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning " | |
2558 | "packets, last error was: %s", | |
10a89ef0 | 2559 | bundle->name, n_errors, n_packets, ovs_strerror(error)); |
abe529af BP |
2560 | } else { |
2561 | VLOG_DBG("bond %s: sent %d gratuitous learning packets", | |
2562 | bundle->name, n_packets); | |
2563 | } | |
2564 | } | |
2565 | ||
2566 | static void | |
2567 | bundle_run(struct ofbundle *bundle) | |
2568 | { | |
2569 | if (bundle->lacp) { | |
2570 | lacp_run(bundle->lacp, send_pdu_cb); | |
2571 | } | |
2572 | if (bundle->bond) { | |
2573 | struct ofport_dpif *port; | |
2574 | ||
2575 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
015e08bc | 2576 | bond_slave_set_may_enable(bundle->bond, port, port->may_enable); |
abe529af BP |
2577 | } |
2578 | ||
4a1b8f30 EJ |
2579 | if (bond_run(bundle->bond, lacp_status(bundle->lacp))) { |
2580 | bundle->ofproto->backer->need_revalidate = REV_BOND; | |
2581 | } | |
2582 | ||
abe529af BP |
2583 | if (bond_should_send_learning_packets(bundle->bond)) { |
2584 | bundle_send_learning_packets(bundle); | |
2585 | } | |
2586 | } | |
2587 | } | |
2588 | ||
2589 | static void | |
2590 | bundle_wait(struct ofbundle *bundle) | |
2591 | { | |
2592 | if (bundle->lacp) { | |
2593 | lacp_wait(bundle->lacp); | |
2594 | } | |
2595 | if (bundle->bond) { | |
2596 | bond_wait(bundle->bond); | |
2597 | } | |
2598 | } | |
2599 | \f | |
2600 | /* Mirrors. */ | |
2601 | ||
2602 | static int | |
ec7ceaed EJ |
2603 | mirror_set__(struct ofproto *ofproto_, void *aux, |
2604 | const struct ofproto_mirror_settings *s) | |
abe529af BP |
2605 | { |
2606 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
ec7ceaed EJ |
2607 | struct ofbundle **srcs, **dsts; |
2608 | int error; | |
2609 | size_t i; | |
abe529af | 2610 | |
abe529af | 2611 | if (!s) { |
ec7ceaed | 2612 | mirror_destroy(ofproto->mbridge, aux); |
abe529af BP |
2613 | return 0; |
2614 | } | |
2615 | ||
ec7ceaed EJ |
2616 | srcs = xmalloc(s->n_srcs * sizeof *srcs); |
2617 | dsts = xmalloc(s->n_dsts * sizeof *dsts); | |
abe529af | 2618 | |
ec7ceaed EJ |
2619 | for (i = 0; i < s->n_srcs; i++) { |
2620 | srcs[i] = bundle_lookup(ofproto, s->srcs[i]); | |
abe529af BP |
2621 | } |
2622 | ||
ec7ceaed EJ |
2623 | for (i = 0; i < s->n_dsts; i++) { |
2624 | dsts[i] = bundle_lookup(ofproto, s->dsts[i]); | |
abe529af BP |
2625 | } |
2626 | ||
ec7ceaed EJ |
2627 | error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts, |
2628 | s->n_dsts, s->src_vlans, | |
2629 | bundle_lookup(ofproto, s->out_bundle), s->out_vlan); | |
2630 | free(srcs); | |
2631 | free(dsts); | |
2632 | return error; | |
abe529af BP |
2633 | } |
2634 | ||
9d24de3b | 2635 | static int |
ec7ceaed EJ |
2636 | mirror_get_stats__(struct ofproto *ofproto, void *aux, |
2637 | uint64_t *packets, uint64_t *bytes) | |
9d24de3b | 2638 | { |
ec7ceaed EJ |
2639 | return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets, |
2640 | bytes); | |
9d24de3b JP |
2641 | } |
2642 | ||
abe529af BP |
2643 | static int |
2644 | set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans) | |
2645 | { | |
2646 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 2647 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
abe529af | 2648 | if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) { |
30618594 | 2649 | mac_learning_flush(ofproto->ml); |
abe529af | 2650 | } |
509c0149 | 2651 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af BP |
2652 | return 0; |
2653 | } | |
2654 | ||
2655 | static bool | |
b4affc74 | 2656 | is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux) |
abe529af BP |
2657 | { |
2658 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2659 | struct ofbundle *bundle = bundle_lookup(ofproto, aux); | |
ec7ceaed | 2660 | return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0; |
abe529af | 2661 | } |
8402c74b SS |
2662 | |
2663 | static void | |
b53055f4 | 2664 | forward_bpdu_changed(struct ofproto *ofproto_) |
8402c74b SS |
2665 | { |
2666 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2cc3c58e | 2667 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8402c74b | 2668 | } |
e764773c BP |
2669 | |
2670 | static void | |
c4069512 BP |
2671 | set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time, |
2672 | size_t max_entries) | |
e764773c BP |
2673 | { |
2674 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 2675 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
e764773c | 2676 | mac_learning_set_idle_time(ofproto->ml, idle_time); |
c4069512 | 2677 | mac_learning_set_max_entries(ofproto->ml, max_entries); |
509c0149 | 2678 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
e764773c | 2679 | } |
abe529af BP |
2680 | \f |
2681 | /* Ports. */ | |
2682 | ||
46c88433 | 2683 | static struct ofport_dpif * |
4e022ec0 | 2684 | get_ofp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
abe529af | 2685 | { |
7df6a8bd BP |
2686 | struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port); |
2687 | return ofport ? ofport_dpif_cast(ofport) : NULL; | |
abe529af BP |
2688 | } |
2689 | ||
abe529af | 2690 | static void |
e1b1d06a JP |
2691 | ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto, |
2692 | struct ofproto_port *ofproto_port, | |
abe529af BP |
2693 | struct dpif_port *dpif_port) |
2694 | { | |
2695 | ofproto_port->name = dpif_port->name; | |
2696 | ofproto_port->type = dpif_port->type; | |
e1b1d06a | 2697 | ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no); |
abe529af BP |
2698 | } |
2699 | ||
6cbbf4fa EJ |
2700 | static void |
2701 | ofport_update_peer(struct ofport_dpif *ofport) | |
0a740f48 EJ |
2702 | { |
2703 | const struct ofproto_dpif *ofproto; | |
6cbbf4fa | 2704 | struct dpif_backer *backer; |
161b6042 | 2705 | char *peer_name; |
6cbbf4fa EJ |
2706 | |
2707 | if (!netdev_vport_is_patch(ofport->up.netdev)) { | |
2708 | return; | |
2709 | } | |
2710 | ||
2711 | backer = ofproto_dpif_cast(ofport->up.ofproto)->backer; | |
7894e7da | 2712 | backer->need_revalidate = REV_RECONFIGURE; |
0a740f48 | 2713 | |
6cbbf4fa EJ |
2714 | if (ofport->peer) { |
2715 | ofport->peer->peer = NULL; | |
2716 | ofport->peer = NULL; | |
2717 | } | |
2718 | ||
2719 | peer_name = netdev_vport_patch_peer(ofport->up.netdev); | |
2720 | if (!peer_name) { | |
2721 | return; | |
0a740f48 EJ |
2722 | } |
2723 | ||
2724 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
6cbbf4fa EJ |
2725 | struct ofport *peer_ofport; |
2726 | struct ofport_dpif *peer; | |
161b6042 | 2727 | char *peer_peer; |
0a740f48 | 2728 | |
462abef2 EJ |
2729 | if (ofproto->backer != backer) { |
2730 | continue; | |
2731 | } | |
2732 | ||
6cbbf4fa EJ |
2733 | peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name); |
2734 | if (!peer_ofport) { | |
2735 | continue; | |
2736 | } | |
2737 | ||
2738 | peer = ofport_dpif_cast(peer_ofport); | |
2739 | peer_peer = netdev_vport_patch_peer(peer->up.netdev); | |
2740 | if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev), | |
2741 | peer_peer)) { | |
2742 | ofport->peer = peer; | |
2743 | ofport->peer->peer = ofport; | |
0a740f48 | 2744 | } |
161b6042 | 2745 | free(peer_peer); |
6cbbf4fa | 2746 | |
161b6042 | 2747 | break; |
0a740f48 | 2748 | } |
161b6042 | 2749 | free(peer_name); |
0a740f48 EJ |
2750 | } |
2751 | ||
abe529af BP |
2752 | static void |
2753 | port_run(struct ofport_dpif *ofport) | |
2754 | { | |
3e5b3fdb EJ |
2755 | long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev); |
2756 | bool carrier_changed = carrier_seq != ofport->carrier_seq; | |
015e08bc | 2757 | bool enable = netdev_get_carrier(ofport->up.netdev); |
2d344ba5 AW |
2758 | bool cfm_enable = false; |
2759 | bool bfd_enable = false; | |
015e08bc | 2760 | |
3e5b3fdb EJ |
2761 | ofport->carrier_seq = carrier_seq; |
2762 | ||
abe529af | 2763 | if (ofport->cfm) { |
4653c558 EJ |
2764 | int cfm_opup = cfm_get_opup(ofport->cfm); |
2765 | ||
2d344ba5 | 2766 | cfm_enable = !cfm_get_fault(ofport->cfm); |
4653c558 EJ |
2767 | |
2768 | if (cfm_opup >= 0) { | |
2d344ba5 | 2769 | cfm_enable = cfm_enable && cfm_opup; |
4653c558 | 2770 | } |
abe529af | 2771 | } |
015e08bc | 2772 | |
ccc09689 | 2773 | if (ofport->bfd) { |
2d344ba5 AW |
2774 | bfd_enable = bfd_forwarding(ofport->bfd); |
2775 | } | |
2776 | ||
2777 | if (ofport->bfd || ofport->cfm) { | |
2778 | enable = enable && (cfm_enable || bfd_enable); | |
ccc09689 EJ |
2779 | } |
2780 | ||
015e08bc EJ |
2781 | if (ofport->bundle) { |
2782 | enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport); | |
3e5b3fdb EJ |
2783 | if (carrier_changed) { |
2784 | lacp_slave_carrier_changed(ofport->bundle->lacp, ofport); | |
2785 | } | |
015e08bc EJ |
2786 | } |
2787 | ||
daff3353 EJ |
2788 | if (ofport->may_enable != enable) { |
2789 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
83341407 | 2790 | ofproto->backer->need_revalidate = REV_PORT_TOGGLED; |
daff3353 EJ |
2791 | } |
2792 | ||
015e08bc | 2793 | ofport->may_enable = enable; |
abe529af BP |
2794 | } |
2795 | ||
abe529af BP |
2796 | static int |
2797 | port_query_by_name(const struct ofproto *ofproto_, const char *devname, | |
2798 | struct ofproto_port *ofproto_port) | |
2799 | { | |
2800 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2801 | struct dpif_port dpif_port; | |
2802 | int error; | |
2803 | ||
0a740f48 EJ |
2804 | if (sset_contains(&ofproto->ghost_ports, devname)) { |
2805 | const char *type = netdev_get_type_from_name(devname); | |
2806 | ||
2807 | /* We may be called before ofproto->up.port_by_name is populated with | |
2808 | * the appropriate ofport. For this reason, we must get the name and | |
2809 | * type from the netdev layer directly. */ | |
2810 | if (type) { | |
2811 | const struct ofport *ofport; | |
2812 | ||
2813 | ofport = shash_find_data(&ofproto->up.port_by_name, devname); | |
2814 | ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE; | |
2815 | ofproto_port->name = xstrdup(devname); | |
2816 | ofproto_port->type = xstrdup(type); | |
2817 | return 0; | |
2818 | } | |
2819 | return ENODEV; | |
2820 | } | |
2821 | ||
acf60855 JP |
2822 | if (!sset_contains(&ofproto->ports, devname)) { |
2823 | return ENODEV; | |
2824 | } | |
2825 | error = dpif_port_query_by_name(ofproto->backer->dpif, | |
2826 | devname, &dpif_port); | |
abe529af | 2827 | if (!error) { |
e1b1d06a | 2828 | ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port); |
abe529af BP |
2829 | } |
2830 | return error; | |
2831 | } | |
2832 | ||
2833 | static int | |
e1b1d06a | 2834 | port_add(struct ofproto *ofproto_, struct netdev *netdev) |
abe529af BP |
2835 | { |
2836 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 2837 | const char *devname = netdev_get_name(netdev); |
3aa30359 BP |
2838 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
2839 | const char *dp_port_name; | |
abe529af | 2840 | |
0a740f48 EJ |
2841 | if (netdev_vport_is_patch(netdev)) { |
2842 | sset_add(&ofproto->ghost_ports, netdev_get_name(netdev)); | |
2843 | return 0; | |
2844 | } | |
2845 | ||
3aa30359 | 2846 | dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf); |
b9ad7294 | 2847 | if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
4e022ec0 | 2848 | odp_port_t port_no = ODPP_NONE; |
7d82ab2e KM |
2849 | int error; |
2850 | ||
2851 | error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no); | |
b9ad7294 EJ |
2852 | if (error) { |
2853 | return error; | |
2854 | } | |
7d82ab2e | 2855 | if (netdev_get_tunnel_config(netdev)) { |
4e022ec0 AW |
2856 | simap_put(&ofproto->backer->tnl_backers, |
2857 | dp_port_name, odp_to_u32(port_no)); | |
7d82ab2e | 2858 | } |
acf60855 | 2859 | } |
b9ad7294 EJ |
2860 | |
2861 | if (netdev_get_tunnel_config(netdev)) { | |
2862 | sset_add(&ofproto->ghost_ports, devname); | |
b9ad7294 EJ |
2863 | } else { |
2864 | sset_add(&ofproto->ports, devname); | |
2865 | } | |
2866 | return 0; | |
2867 | } | |
2868 | ||
abe529af | 2869 | static int |
4e022ec0 | 2870 | port_del(struct ofproto *ofproto_, ofp_port_t ofp_port) |
abe529af BP |
2871 | { |
2872 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 2873 | struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); |
e1b1d06a | 2874 | int error = 0; |
abe529af | 2875 | |
b9ad7294 EJ |
2876 | if (!ofport) { |
2877 | return 0; | |
e1b1d06a | 2878 | } |
b9ad7294 EJ |
2879 | |
2880 | sset_find_and_delete(&ofproto->ghost_ports, | |
2881 | netdev_get_name(ofport->up.netdev)); | |
a614d823 | 2882 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8911c674 | 2883 | if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) { |
b9ad7294 EJ |
2884 | error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port); |
2885 | if (!error) { | |
abe529af BP |
2886 | /* The caller is going to close ofport->up.netdev. If this is a |
2887 | * bonded port, then the bond is using that netdev, so remove it | |
2888 | * from the bond. The client will need to reconfigure everything | |
2889 | * after deleting ports, so then the slave will get re-added. */ | |
2890 | bundle_remove(&ofport->up); | |
2891 | } | |
2892 | } | |
2893 | return error; | |
2894 | } | |
2895 | ||
6527c598 PS |
2896 | static int |
2897 | port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats) | |
2898 | { | |
2899 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2900 | int error; | |
2901 | ||
2902 | error = netdev_get_stats(ofport->up.netdev, stats); | |
2903 | ||
ee382d89 | 2904 | if (!error && ofport_->ofp_port == OFPP_LOCAL) { |
6527c598 PS |
2905 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
2906 | ||
0da3c61b | 2907 | ovs_mutex_lock(&ofproto->stats_mutex); |
6527c598 PS |
2908 | /* ofproto->stats.tx_packets represents packets that we created |
2909 | * internally and sent to some port (e.g. packets sent with | |
91d6cd12 AW |
2910 | * ofproto_dpif_send_packet()). Account for them as if they had |
2911 | * come from OFPP_LOCAL and got forwarded. */ | |
6527c598 PS |
2912 | |
2913 | if (stats->rx_packets != UINT64_MAX) { | |
2914 | stats->rx_packets += ofproto->stats.tx_packets; | |
2915 | } | |
2916 | ||
2917 | if (stats->rx_bytes != UINT64_MAX) { | |
2918 | stats->rx_bytes += ofproto->stats.tx_bytes; | |
2919 | } | |
2920 | ||
2921 | /* ofproto->stats.rx_packets represents packets that were received on | |
2922 | * some port and we processed internally and dropped (e.g. STP). | |
4e090bc7 | 2923 | * Account for them as if they had been forwarded to OFPP_LOCAL. */ |
6527c598 PS |
2924 | |
2925 | if (stats->tx_packets != UINT64_MAX) { | |
2926 | stats->tx_packets += ofproto->stats.rx_packets; | |
2927 | } | |
2928 | ||
2929 | if (stats->tx_bytes != UINT64_MAX) { | |
2930 | stats->tx_bytes += ofproto->stats.rx_bytes; | |
2931 | } | |
0da3c61b | 2932 | ovs_mutex_unlock(&ofproto->stats_mutex); |
6527c598 PS |
2933 | } |
2934 | ||
2935 | return error; | |
2936 | } | |
2937 | ||
abe529af | 2938 | struct port_dump_state { |
acf60855 JP |
2939 | uint32_t bucket; |
2940 | uint32_t offset; | |
0a740f48 | 2941 | bool ghost; |
da78d43d BP |
2942 | |
2943 | struct ofproto_port port; | |
2944 | bool has_port; | |
abe529af BP |
2945 | }; |
2946 | ||
2947 | static int | |
acf60855 | 2948 | port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep) |
abe529af | 2949 | { |
0a740f48 | 2950 | *statep = xzalloc(sizeof(struct port_dump_state)); |
abe529af BP |
2951 | return 0; |
2952 | } | |
2953 | ||
2954 | static int | |
b9ad7294 | 2955 | port_dump_next(const struct ofproto *ofproto_, void *state_, |
abe529af BP |
2956 | struct ofproto_port *port) |
2957 | { | |
e1b1d06a | 2958 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
abe529af | 2959 | struct port_dump_state *state = state_; |
0a740f48 | 2960 | const struct sset *sset; |
acf60855 | 2961 | struct sset_node *node; |
abe529af | 2962 | |
da78d43d BP |
2963 | if (state->has_port) { |
2964 | ofproto_port_destroy(&state->port); | |
2965 | state->has_port = false; | |
2966 | } | |
0a740f48 EJ |
2967 | sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports; |
2968 | while ((node = sset_at_position(sset, &state->bucket, &state->offset))) { | |
acf60855 JP |
2969 | int error; |
2970 | ||
da78d43d BP |
2971 | error = port_query_by_name(ofproto_, node->name, &state->port); |
2972 | if (!error) { | |
2973 | *port = state->port; | |
2974 | state->has_port = true; | |
2975 | return 0; | |
2976 | } else if (error != ENODEV) { | |
acf60855 JP |
2977 | return error; |
2978 | } | |
abe529af | 2979 | } |
acf60855 | 2980 | |
0a740f48 EJ |
2981 | if (!state->ghost) { |
2982 | state->ghost = true; | |
2983 | state->bucket = 0; | |
2984 | state->offset = 0; | |
2985 | return port_dump_next(ofproto_, state_, port); | |
2986 | } | |
2987 | ||
acf60855 | 2988 | return EOF; |
abe529af BP |
2989 | } |
2990 | ||
2991 | static int | |
2992 | port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_) | |
2993 | { | |
2994 | struct port_dump_state *state = state_; | |
2995 | ||
da78d43d BP |
2996 | if (state->has_port) { |
2997 | ofproto_port_destroy(&state->port); | |
2998 | } | |
abe529af BP |
2999 | free(state); |
3000 | return 0; | |
3001 | } | |
3002 | ||
3003 | static int | |
3004 | port_poll(const struct ofproto *ofproto_, char **devnamep) | |
3005 | { | |
3006 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 JP |
3007 | |
3008 | if (ofproto->port_poll_errno) { | |
3009 | int error = ofproto->port_poll_errno; | |
3010 | ofproto->port_poll_errno = 0; | |
3011 | return error; | |
3012 | } | |
3013 | ||
3014 | if (sset_is_empty(&ofproto->port_poll_set)) { | |
3015 | return EAGAIN; | |
3016 | } | |
3017 | ||
3018 | *devnamep = sset_pop(&ofproto->port_poll_set); | |
3019 | return 0; | |
abe529af BP |
3020 | } |
3021 | ||
3022 | static void | |
3023 | port_poll_wait(const struct ofproto *ofproto_) | |
3024 | { | |
3025 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 3026 | dpif_port_poll_wait(ofproto->backer->dpif); |
abe529af BP |
3027 | } |
3028 | ||
3029 | static int | |
3030 | port_is_lacp_current(const struct ofport *ofport_) | |
3031 | { | |
3032 | const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3033 | return (ofport->bundle && ofport->bundle->lacp | |
3034 | ? lacp_slave_is_current(ofport->bundle->lacp, ofport) | |
3035 | : -1); | |
3036 | } | |
3037 | \f | |
e79a6c83 EJ |
3038 | /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules, |
3039 | * then delete it entirely. */ | |
3040 | static void | |
3041 | rule_expire(struct rule_dpif *rule) | |
3042 | OVS_REQUIRES(ofproto_mutex) | |
9d6ac44e | 3043 | { |
dc437090 | 3044 | uint16_t hard_timeout, idle_timeout; |
e79a6c83 | 3045 | long long int now = time_msec(); |
dc437090 | 3046 | int reason = -1; |
9d6ac44e | 3047 | |
e79a6c83 | 3048 | ovs_assert(!rule->up.pending); |
9d6ac44e | 3049 | |
e79a6c83 EJ |
3050 | hard_timeout = rule->up.hard_timeout; |
3051 | idle_timeout = rule->up.idle_timeout; | |
dc437090 JR |
3052 | |
3053 | /* Has 'rule' expired? */ | |
3054 | if (hard_timeout) { | |
3055 | long long int modified; | |
3056 | ||
3057 | ovs_mutex_lock(&rule->up.mutex); | |
3058 | modified = rule->up.modified; | |
3059 | ovs_mutex_unlock(&rule->up.mutex); | |
3060 | ||
3061 | if (now > modified + hard_timeout * 1000) { | |
3062 | reason = OFPRR_HARD_TIMEOUT; | |
3063 | } | |
3064 | } | |
3065 | ||
3066 | if (reason < 0 && idle_timeout) { | |
3067 | long long int used; | |
3068 | ||
3069 | ovs_mutex_lock(&rule->stats_mutex); | |
1a4ec18d | 3070 | used = rule->stats.used; |
dc437090 JR |
3071 | ovs_mutex_unlock(&rule->stats_mutex); |
3072 | ||
3073 | if (now > used + idle_timeout * 1000) { | |
3074 | reason = OFPRR_IDLE_TIMEOUT; | |
3075 | } | |
f9c37233 | 3076 | } |
501f8d1f | 3077 | |
e79a6c83 EJ |
3078 | if (reason >= 0) { |
3079 | COVERAGE_INC(ofproto_dpif_expired); | |
3080 | ofproto_rule_expire(&rule->up, reason); | |
a41d7bf2 | 3081 | } |
e79a6c83 | 3082 | } |
a41d7bf2 | 3083 | |
e79a6c83 EJ |
3084 | /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'. |
3085 | * 'flow' must reflect the data in 'packet'. */ | |
3086 | int | |
3087 | ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto, | |
3088 | const struct flow *flow, | |
3089 | struct rule_dpif *rule, | |
3090 | const struct ofpact *ofpacts, size_t ofpacts_len, | |
3091 | struct ofpbuf *packet) | |
3092 | { | |
e79a6c83 EJ |
3093 | struct dpif_flow_stats stats; |
3094 | struct xlate_out xout; | |
3095 | struct xlate_in xin; | |
3096 | ofp_port_t in_port; | |
758c456d | 3097 | struct dpif_execute execute; |
e79a6c83 | 3098 | int error; |
f9c37233 | 3099 | |
e79a6c83 | 3100 | ovs_assert((rule != NULL) != (ofpacts != NULL)); |
501f8d1f | 3101 | |
e79a6c83 | 3102 | dpif_flow_stats_extract(flow, packet, time_msec(), &stats); |
adcf00ba | 3103 | |
e79a6c83 EJ |
3104 | if (rule) { |
3105 | rule_dpif_credit_stats(rule, &stats); | |
3106 | } | |
c84451a6 | 3107 | |
e79a6c83 EJ |
3108 | xlate_in_init(&xin, ofproto, flow, rule, stats.tcp_flags, packet); |
3109 | xin.ofpacts = ofpacts; | |
3110 | xin.ofpacts_len = ofpacts_len; | |
3111 | xin.resubmit_stats = &stats; | |
3112 | xlate_actions(&xin, &xout); | |
d445cc16 | 3113 | |
e79a6c83 EJ |
3114 | in_port = flow->in_port.ofp_port; |
3115 | if (in_port == OFPP_NONE) { | |
3116 | in_port = OFPP_LOCAL; | |
501f8d1f | 3117 | } |
1f317cb5 PS |
3118 | execute.actions = ofpbuf_data(&xout.odp_actions); |
3119 | execute.actions_len = ofpbuf_size(&xout.odp_actions); | |
758c456d JR |
3120 | execute.packet = packet; |
3121 | execute.md.tunnel = flow->tunnel; | |
3122 | execute.md.skb_priority = flow->skb_priority; | |
3123 | execute.md.pkt_mark = flow->pkt_mark; | |
b5e7e61a | 3124 | execute.md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port); |
758c456d JR |
3125 | execute.needs_help = (xout.slow & SLOW_ACTION) != 0; |
3126 | ||
3127 | error = dpif_execute(ofproto->backer->dpif, &execute); | |
501f8d1f | 3128 | |
e79a6c83 | 3129 | xlate_out_uninit(&xout); |
9d6ac44e | 3130 | |
e79a6c83 | 3131 | return error; |
9d6ac44e BP |
3132 | } |
3133 | ||
e79a6c83 EJ |
3134 | void |
3135 | rule_dpif_credit_stats(struct rule_dpif *rule, | |
3136 | const struct dpif_flow_stats *stats) | |
8f73d537 | 3137 | { |
e79a6c83 | 3138 | ovs_mutex_lock(&rule->stats_mutex); |
1a4ec18d JS |
3139 | rule->stats.n_packets += stats->n_packets; |
3140 | rule->stats.n_bytes += stats->n_bytes; | |
3141 | rule->stats.used = MAX(rule->stats.used, stats->used); | |
e79a6c83 | 3142 | ovs_mutex_unlock(&rule->stats_mutex); |
8f73d537 EJ |
3143 | } |
3144 | ||
e79a6c83 EJ |
3145 | bool |
3146 | rule_dpif_is_fail_open(const struct rule_dpif *rule) | |
8f73d537 | 3147 | { |
e79a6c83 EJ |
3148 | return is_fail_open_rule(&rule->up); |
3149 | } | |
e1ec7dd4 | 3150 | |
e79a6c83 EJ |
3151 | bool |
3152 | rule_dpif_is_table_miss(const struct rule_dpif *rule) | |
3153 | { | |
3154 | return rule_is_table_miss(&rule->up); | |
8f73d537 EJ |
3155 | } |
3156 | ||
32260212 SH |
3157 | bool |
3158 | rule_dpif_is_internal(const struct rule_dpif *rule) | |
3159 | { | |
3160 | return rule_is_internal(&rule->up); | |
3161 | } | |
3162 | ||
e79a6c83 EJ |
3163 | ovs_be64 |
3164 | rule_dpif_get_flow_cookie(const struct rule_dpif *rule) | |
3165 | OVS_REQUIRES(rule->up.mutex) | |
3166 | { | |
3167 | return rule->up.flow_cookie; | |
3168 | } | |
cfd5c9eb | 3169 | |
e79a6c83 EJ |
3170 | void |
3171 | rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout, | |
3172 | uint16_t hard_timeout) | |
3173 | { | |
3174 | ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout); | |
6a7e895f BP |
3175 | } |
3176 | ||
e79a6c83 EJ |
3177 | /* Returns 'rule''s actions. The caller owns a reference on the returned |
3178 | * actions and must eventually release it (with rule_actions_unref()) to avoid | |
3179 | * a memory leak. */ | |
3180 | struct rule_actions * | |
3181 | rule_dpif_get_actions(const struct rule_dpif *rule) | |
6ff686f2 | 3182 | { |
e79a6c83 EJ |
3183 | return rule_get_actions(&rule->up); |
3184 | } | |
abe529af | 3185 | |
adcf00ba AZ |
3186 | static uint8_t |
3187 | rule_dpif_lookup__ (struct ofproto_dpif *ofproto, const struct flow *flow, | |
3188 | struct flow_wildcards *wc, struct rule_dpif **rule) | |
c57b2226 | 3189 | { |
6d328fa2 SH |
3190 | enum rule_dpif_lookup_verdict verdict; |
3191 | enum ofputil_port_config config = 0; | |
adcf00ba | 3192 | uint8_t table_id = TBL_INTERNAL; |
c57b2226 | 3193 | |
6d328fa2 SH |
3194 | verdict = rule_dpif_lookup_from_table(ofproto, flow, wc, true, |
3195 | &table_id, rule); | |
3196 | ||
3197 | switch (verdict) { | |
3198 | case RULE_DPIF_LOOKUP_VERDICT_MATCH: | |
3199 | return table_id; | |
3200 | case RULE_DPIF_LOOKUP_VERDICT_CONTROLLER: { | |
3201 | struct ofport_dpif *port; | |
3202 | ||
3203 | port = get_ofp_port(ofproto, flow->in_port.ofp_port); | |
3204 | if (!port) { | |
3205 | VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16, | |
3206 | flow->in_port.ofp_port); | |
3207 | } | |
3208 | config = port ? port->up.pp.config : 0; | |
3209 | break; | |
c57b2226 | 3210 | } |
6d328fa2 SH |
3211 | case RULE_DPIF_LOOKUP_VERDICT_DROP: |
3212 | config = OFPUTIL_PC_NO_PACKET_IN; | |
3213 | break; | |
6b83a3c5 SH |
3214 | case RULE_DPIF_LOOKUP_VERDICT_DEFAULT: |
3215 | if (!connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) { | |
3216 | config = OFPUTIL_PC_NO_PACKET_IN; | |
3217 | } | |
3218 | break; | |
6d328fa2 SH |
3219 | default: |
3220 | OVS_NOT_REACHED(); | |
ec89fc6f | 3221 | } |
c57b2226 | 3222 | |
6d328fa2 | 3223 | choose_miss_rule(config, ofproto->miss_rule, |
70742c7f | 3224 | ofproto->no_packet_in_rule, rule); |
6d328fa2 | 3225 | return table_id; |
c57b2226 BP |
3226 | } |
3227 | ||
adcf00ba AZ |
3228 | /* Lookup 'flow' in table 0 of 'ofproto''s classifier. |
3229 | * If 'wc' is non-null, sets the fields that were relevant as part of | |
3230 | * the lookup. Returns the table_id where a match or miss occurred. | |
3231 | * | |
3232 | * The return value will be zero unless there was a miss and | |
fd34f176 | 3233 | * OFPTC11_TABLE_MISS_CONTINUE is in effect for the sequence of tables |
adcf00ba AZ |
3234 | * where misses occur. */ |
3235 | uint8_t | |
3236 | rule_dpif_lookup(struct ofproto_dpif *ofproto, struct flow *flow, | |
3237 | struct flow_wildcards *wc, struct rule_dpif **rule) | |
3238 | { | |
3239 | /* Set metadata to the value of recirc_id to speed up internal | |
3240 | * rule lookup. */ | |
3241 | flow->metadata = htonll(flow->recirc_id); | |
3242 | return rule_dpif_lookup__(ofproto, flow, wc, rule); | |
3243 | } | |
3244 | ||
6d328fa2 SH |
3245 | static struct rule_dpif * |
3246 | rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, uint8_t table_id, | |
3247 | const struct flow *flow, struct flow_wildcards *wc) | |
abe529af | 3248 | { |
6d328fa2 | 3249 | struct classifier *cls = &ofproto->up.tables[table_id].cls; |
49a0e0eb | 3250 | const struct cls_rule *cls_rule; |
6d328fa2 | 3251 | struct rule_dpif *rule; |
9cdaaebe | 3252 | |
6d328fa2 SH |
3253 | fat_rwlock_rdlock(&cls->rwlock); |
3254 | if (ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) { | |
3255 | if (wc) { | |
3256 | memset(&wc->masks.dl_type, 0xff, sizeof wc->masks.dl_type); | |
3257 | if (is_ip_any(flow)) { | |
3258 | wc->masks.nw_frag |= FLOW_NW_FRAG_MASK; | |
3259 | } | |
0934ebba | 3260 | } |
1dd35f8a | 3261 | |
6d328fa2 SH |
3262 | if (flow->nw_frag & FLOW_NW_FRAG_ANY) { |
3263 | if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) { | |
3264 | /* We must pretend that transport ports are unavailable. */ | |
3265 | struct flow ofpc_normal_flow = *flow; | |
3266 | ofpc_normal_flow.tp_src = htons(0); | |
3267 | ofpc_normal_flow.tp_dst = htons(0); | |
3268 | cls_rule = classifier_lookup(cls, &ofpc_normal_flow, wc); | |
3269 | } else { | |
3270 | /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM). */ | |
3271 | cls_rule = &ofproto->drop_frags_rule->up.cr; | |
3272 | } | |
3273 | } else { | |
3274 | cls_rule = classifier_lookup(cls, flow, wc); | |
3275 | } | |
7257b535 | 3276 | } else { |
bcd2633a | 3277 | cls_rule = classifier_lookup(cls, flow, wc); |
7257b535 | 3278 | } |
ad3efdcb | 3279 | |
6d328fa2 SH |
3280 | rule = rule_dpif_cast(rule_from_cls_rule(cls_rule)); |
3281 | rule_dpif_ref(rule); | |
06f81620 | 3282 | fat_rwlock_unlock(&cls->rwlock); |
ad3efdcb | 3283 | |
6d328fa2 SH |
3284 | return rule; |
3285 | } | |
3286 | ||
3287 | /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'. | |
3288 | * Stores the rule that was found in '*rule', or NULL if none was found. | |
3289 | * Updates 'wc', if nonnull, to reflect the fields that were used during the | |
3290 | * lookup. | |
3291 | * | |
3292 | * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but | |
3293 | * if none is found then the table miss configuration for that table is | |
3294 | * honored, which can result in additional lookups in other OpenFlow tables. | |
3295 | * In this case the function updates '*table_id' to reflect the final OpenFlow | |
3296 | * table that was searched. | |
3297 | * | |
3298 | * If 'honor_table_miss' is false, then only one table lookup occurs, in | |
3299 | * '*table_id'. | |
3300 | * | |
3301 | * Returns: | |
3302 | * | |
3303 | * - RULE_DPIF_LOOKUP_VERDICT_MATCH if a rule (in '*rule') was found. | |
3304 | * | |
6b83a3c5 SH |
3305 | * - RULE_OFPTC_TABLE_MISS_CONTROLLER if no rule was found and either: |
3306 | * + 'honor_table_miss' is false | |
3307 | * + a table miss configuration specified that the packet should be | |
c7ee3065 | 3308 | * sent to the controller in this case. |
6d328fa2 | 3309 | * |
6b83a3c5 SH |
3310 | * - RULE_DPIF_LOOKUP_VERDICT_DROP if no rule was found, 'honor_table_miss' |
3311 | * is true and a table miss configuration specified that the packet | |
3312 | * should be dropped in this case. | |
3313 | * | |
3314 | * - RULE_DPIF_LOOKUP_VERDICT_DEFAULT if no rule was found, | |
3315 | * 'honor_table_miss' is true and a table miss configuration has | |
3316 | * not been specified in this case. */ | |
6d328fa2 SH |
3317 | enum rule_dpif_lookup_verdict |
3318 | rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto, | |
3319 | const struct flow *flow, | |
3320 | struct flow_wildcards *wc, | |
3321 | bool honor_table_miss, | |
3322 | uint8_t *table_id, struct rule_dpif **rule) | |
3323 | { | |
3324 | uint8_t next_id; | |
3325 | ||
3326 | for (next_id = *table_id; | |
3327 | next_id < ofproto->up.n_tables; | |
3328 | next_id++, next_id += (next_id == TBL_INTERNAL)) | |
3329 | { | |
3330 | *table_id = next_id; | |
3331 | *rule = rule_dpif_lookup_in_table(ofproto, *table_id, flow, wc); | |
3332 | if (*rule) { | |
3333 | return RULE_DPIF_LOOKUP_VERDICT_MATCH; | |
3334 | } else if (!honor_table_miss) { | |
3335 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; | |
3336 | } else { | |
6b83a3c5 SH |
3337 | switch (ofproto_table_get_config(&ofproto->up, *table_id)) { |
3338 | case OFPROTO_TABLE_MISS_CONTINUE: | |
6d328fa2 SH |
3339 | break; |
3340 | ||
6b83a3c5 | 3341 | case OFPROTO_TABLE_MISS_CONTROLLER: |
6d328fa2 SH |
3342 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; |
3343 | ||
6b83a3c5 | 3344 | case OFPROTO_TABLE_MISS_DROP: |
6d328fa2 | 3345 | return RULE_DPIF_LOOKUP_VERDICT_DROP; |
6b83a3c5 SH |
3346 | |
3347 | case OFPROTO_TABLE_MISS_DEFAULT: | |
3348 | return RULE_DPIF_LOOKUP_VERDICT_DEFAULT; | |
6d328fa2 SH |
3349 | } |
3350 | } | |
3351 | } | |
3352 | ||
3353 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; | |
abe529af BP |
3354 | } |
3355 | ||
ec89fc6f EJ |
3356 | /* Given a port configuration (specified as zero if there's no port), chooses |
3357 | * which of 'miss_rule' and 'no_packet_in_rule' should be used in case of a | |
3358 | * flow table miss. */ | |
70742c7f | 3359 | void |
ec89fc6f | 3360 | choose_miss_rule(enum ofputil_port_config config, struct rule_dpif *miss_rule, |
70742c7f | 3361 | struct rule_dpif *no_packet_in_rule, struct rule_dpif **rule) |
c376f9a3 | 3362 | { |
70742c7f | 3363 | *rule = config & OFPUTIL_PC_NO_PACKET_IN ? no_packet_in_rule : miss_rule; |
a2143702 BP |
3364 | rule_dpif_ref(*rule); |
3365 | } | |
3366 | ||
3367 | void | |
3368 | rule_dpif_ref(struct rule_dpif *rule) | |
3369 | { | |
3370 | if (rule) { | |
3371 | ofproto_rule_ref(&rule->up); | |
3372 | } | |
c376f9a3 IY |
3373 | } |
3374 | ||
ad3efdcb | 3375 | void |
a2143702 | 3376 | rule_dpif_unref(struct rule_dpif *rule) |
ad3efdcb EJ |
3377 | { |
3378 | if (rule) { | |
a2143702 | 3379 | ofproto_rule_unref(&rule->up); |
ad3efdcb EJ |
3380 | } |
3381 | } | |
3382 | ||
7ee20df1 BP |
3383 | static void |
3384 | complete_operation(struct rule_dpif *rule) | |
15aaf599 | 3385 | OVS_REQUIRES(ofproto_mutex) |
7ee20df1 BP |
3386 | { |
3387 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); | |
3388 | ||
a1616063 | 3389 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
35232d32 | 3390 | ofoperation_complete(rule->up.pending, 0); |
7ee20df1 BP |
3391 | } |
3392 | ||
70742c7f EJ |
3393 | static struct rule_dpif *rule_dpif_cast(const struct rule *rule) |
3394 | { | |
3395 | return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL; | |
3396 | } | |
3397 | ||
abe529af BP |
3398 | static struct rule * |
3399 | rule_alloc(void) | |
3400 | { | |
3401 | struct rule_dpif *rule = xmalloc(sizeof *rule); | |
3402 | return &rule->up; | |
3403 | } | |
3404 | ||
3405 | static void | |
3406 | rule_dealloc(struct rule *rule_) | |
3407 | { | |
3408 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3409 | free(rule); | |
3410 | } | |
3411 | ||
90bf1e07 | 3412 | static enum ofperr |
abe529af | 3413 | rule_construct(struct rule *rule_) |
dc437090 | 3414 | OVS_NO_THREAD_SAFETY_ANALYSIS |
abe529af BP |
3415 | { |
3416 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
97ba2d36 | 3417 | ovs_mutex_init_adaptive(&rule->stats_mutex); |
1a4ec18d JS |
3418 | rule->stats.n_packets = 0; |
3419 | rule->stats.n_bytes = 0; | |
3420 | rule->stats.used = rule->up.modified; | |
abe529af BP |
3421 | return 0; |
3422 | } | |
3423 | ||
3424 | static void | |
8037acb4 | 3425 | rule_insert(struct rule *rule_) |
15aaf599 | 3426 | OVS_REQUIRES(ofproto_mutex) |
abe529af | 3427 | { |
9fbe253e EJ |
3428 | struct rule_dpif *rule = rule_dpif_cast(rule_); |
3429 | complete_operation(rule); | |
8037acb4 BP |
3430 | } |
3431 | ||
3432 | static void | |
3433 | rule_delete(struct rule *rule_) | |
15aaf599 | 3434 | OVS_REQUIRES(ofproto_mutex) |
8037acb4 BP |
3435 | { |
3436 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3437 | complete_operation(rule); | |
3438 | } | |
3439 | ||
3440 | static void | |
3441 | rule_destruct(struct rule *rule_) | |
3442 | { | |
3443 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
9fbe253e | 3444 | ovs_mutex_destroy(&rule->stats_mutex); |
abe529af BP |
3445 | } |
3446 | ||
3447 | static void | |
dc437090 JR |
3448 | rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes, |
3449 | long long int *used) | |
abe529af BP |
3450 | { |
3451 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
abe529af | 3452 | |
9fbe253e | 3453 | ovs_mutex_lock(&rule->stats_mutex); |
1a4ec18d JS |
3454 | *packets = rule->stats.n_packets; |
3455 | *bytes = rule->stats.n_bytes; | |
3456 | *used = rule->stats.used; | |
9fbe253e | 3457 | ovs_mutex_unlock(&rule->stats_mutex); |
abe529af BP |
3458 | } |
3459 | ||
0a740f48 EJ |
3460 | static void |
3461 | rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow, | |
3462 | struct ofpbuf *packet) | |
abe529af | 3463 | { |
419460f4 AW |
3464 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); |
3465 | ||
3466 | ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet); | |
0a740f48 | 3467 | } |
5bf0e941 | 3468 | |
0a740f48 EJ |
3469 | static enum ofperr |
3470 | rule_execute(struct rule *rule, const struct flow *flow, | |
3471 | struct ofpbuf *packet) | |
3472 | { | |
3473 | rule_dpif_execute(rule_dpif_cast(rule), flow, packet); | |
3474 | ofpbuf_delete(packet); | |
5bf0e941 | 3475 | return 0; |
abe529af BP |
3476 | } |
3477 | ||
7ee20df1 | 3478 | static void |
b277c7cc | 3479 | rule_modify_actions(struct rule *rule_, bool reset_counters) |
15aaf599 | 3480 | OVS_REQUIRES(ofproto_mutex) |
abe529af BP |
3481 | { |
3482 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
7ee20df1 | 3483 | |
b277c7cc BP |
3484 | if (reset_counters) { |
3485 | ovs_mutex_lock(&rule->stats_mutex); | |
1a4ec18d JS |
3486 | rule->stats.n_packets = 0; |
3487 | rule->stats.n_bytes = 0; | |
b277c7cc BP |
3488 | ovs_mutex_unlock(&rule->stats_mutex); |
3489 | } | |
3490 | ||
7ee20df1 | 3491 | complete_operation(rule); |
abe529af | 3492 | } |
00430a3f SH |
3493 | |
3494 | static struct group_dpif *group_dpif_cast(const struct ofgroup *group) | |
3495 | { | |
3496 | return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL; | |
3497 | } | |
3498 | ||
3499 | static struct ofgroup * | |
3500 | group_alloc(void) | |
3501 | { | |
3502 | struct group_dpif *group = xzalloc(sizeof *group); | |
3503 | return &group->up; | |
3504 | } | |
3505 | ||
3506 | static void | |
3507 | group_dealloc(struct ofgroup *group_) | |
3508 | { | |
3509 | struct group_dpif *group = group_dpif_cast(group_); | |
3510 | free(group); | |
3511 | } | |
3512 | ||
3513 | static void | |
3514 | group_construct_stats(struct group_dpif *group) | |
3515 | OVS_REQUIRES(group->stats_mutex) | |
3516 | { | |
3517 | group->packet_count = 0; | |
3518 | group->byte_count = 0; | |
3519 | if (!group->bucket_stats) { | |
3520 | group->bucket_stats = xcalloc(group->up.n_buckets, | |
3521 | sizeof *group->bucket_stats); | |
3522 | } else { | |
3523 | memset(group->bucket_stats, 0, group->up.n_buckets * | |
3524 | sizeof *group->bucket_stats); | |
3525 | } | |
3526 | } | |
3527 | ||
3528 | static enum ofperr | |
3529 | group_construct(struct ofgroup *group_) | |
3530 | { | |
3531 | struct group_dpif *group = group_dpif_cast(group_); | |
5a070238 BP |
3532 | const struct ofputil_bucket *bucket; |
3533 | ||
3534 | /* Prevent group chaining because our locking structure makes it hard to | |
3535 | * implement deadlock-free. (See xlate_group_resource_check().) */ | |
3536 | LIST_FOR_EACH (bucket, list_node, &group->up.buckets) { | |
3537 | const struct ofpact *a; | |
3538 | ||
3539 | OFPACT_FOR_EACH (a, bucket->ofpacts, bucket->ofpacts_len) { | |
3540 | if (a->type == OFPACT_GROUP) { | |
3541 | return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED; | |
3542 | } | |
3543 | } | |
3544 | } | |
3545 | ||
97ba2d36 | 3546 | ovs_mutex_init_adaptive(&group->stats_mutex); |
00430a3f SH |
3547 | ovs_mutex_lock(&group->stats_mutex); |
3548 | group_construct_stats(group); | |
3549 | ovs_mutex_unlock(&group->stats_mutex); | |
3550 | return 0; | |
3551 | } | |
3552 | ||
3553 | static void | |
3554 | group_destruct__(struct group_dpif *group) | |
3555 | OVS_REQUIRES(group->stats_mutex) | |
3556 | { | |
3557 | free(group->bucket_stats); | |
3558 | group->bucket_stats = NULL; | |
3559 | } | |
3560 | ||
3561 | static void | |
3562 | group_destruct(struct ofgroup *group_) | |
3563 | { | |
3564 | struct group_dpif *group = group_dpif_cast(group_); | |
3565 | ovs_mutex_lock(&group->stats_mutex); | |
3566 | group_destruct__(group); | |
3567 | ovs_mutex_unlock(&group->stats_mutex); | |
3568 | ovs_mutex_destroy(&group->stats_mutex); | |
3569 | } | |
3570 | ||
3571 | static enum ofperr | |
3572 | group_modify(struct ofgroup *group_, struct ofgroup *victim_) | |
3573 | { | |
4c9dbc0b | 3574 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto); |
00430a3f SH |
3575 | struct group_dpif *group = group_dpif_cast(group_); |
3576 | struct group_dpif *victim = group_dpif_cast(victim_); | |
3577 | ||
3578 | ovs_mutex_lock(&group->stats_mutex); | |
3579 | if (victim->up.n_buckets < group->up.n_buckets) { | |
3580 | group_destruct__(group); | |
3581 | } | |
3582 | group_construct_stats(group); | |
3583 | ovs_mutex_unlock(&group->stats_mutex); | |
3584 | ||
4c9dbc0b BP |
3585 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
3586 | ||
00430a3f SH |
3587 | return 0; |
3588 | } | |
3589 | ||
3590 | static enum ofperr | |
3591 | group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs) | |
3592 | { | |
3593 | struct group_dpif *group = group_dpif_cast(group_); | |
3594 | ||
00430a3f SH |
3595 | ovs_mutex_lock(&group->stats_mutex); |
3596 | ogs->packet_count = group->packet_count; | |
3597 | ogs->byte_count = group->byte_count; | |
3598 | memcpy(ogs->bucket_stats, group->bucket_stats, | |
3599 | group->up.n_buckets * sizeof *group->bucket_stats); | |
3600 | ovs_mutex_unlock(&group->stats_mutex); | |
3601 | ||
3602 | return 0; | |
3603 | } | |
f4fb341b SH |
3604 | |
3605 | bool | |
3606 | group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id, | |
3607 | struct group_dpif **group) | |
3608 | OVS_TRY_RDLOCK(true, (*group)->up.rwlock) | |
3609 | { | |
3610 | struct ofgroup *ofgroup; | |
3611 | bool found; | |
3612 | ||
3613 | *group = NULL; | |
3614 | found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup); | |
3615 | *group = found ? group_dpif_cast(ofgroup) : NULL; | |
3616 | ||
3617 | return found; | |
3618 | } | |
3619 | ||
3620 | void | |
3621 | group_dpif_release(struct group_dpif *group) | |
3622 | OVS_RELEASES(group->up.rwlock) | |
3623 | { | |
3624 | ofproto_group_release(&group->up); | |
3625 | } | |
3626 | ||
3627 | void | |
3628 | group_dpif_get_buckets(const struct group_dpif *group, | |
3629 | const struct list **buckets) | |
3630 | { | |
3631 | *buckets = &group->up.buckets; | |
3632 | } | |
3633 | ||
3634 | enum ofp11_group_type | |
3635 | group_dpif_get_type(const struct group_dpif *group) | |
3636 | { | |
3637 | return group->up.type; | |
3638 | } | |
abe529af | 3639 | \f |
97d6520b | 3640 | /* Sends 'packet' out 'ofport'. |
52a90c29 | 3641 | * May modify 'packet'. |
abe529af | 3642 | * Returns 0 if successful, otherwise a positive errno value. */ |
91d6cd12 AW |
3643 | int |
3644 | ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet) | |
abe529af | 3645 | { |
79e15b78 | 3646 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
abe529af BP |
3647 | int error; |
3648 | ||
91d6cd12 | 3649 | error = xlate_send_packet(ofport, packet); |
79e15b78 | 3650 | |
0da3c61b | 3651 | ovs_mutex_lock(&ofproto->stats_mutex); |
79e15b78 | 3652 | ofproto->stats.tx_packets++; |
1f317cb5 | 3653 | ofproto->stats.tx_bytes += ofpbuf_size(packet); |
0da3c61b | 3654 | ovs_mutex_unlock(&ofproto->stats_mutex); |
abe529af BP |
3655 | return error; |
3656 | } | |
9583bc14 EJ |
3657 | \f |
3658 | static bool | |
3659 | set_frag_handling(struct ofproto *ofproto_, | |
3660 | enum ofp_config_flags frag_handling) | |
abe529af BP |
3661 | { |
3662 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
7257b535 | 3663 | if (frag_handling != OFPC_FRAG_REASM) { |
2cc3c58e | 3664 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7257b535 BP |
3665 | return true; |
3666 | } else { | |
3667 | return false; | |
3668 | } | |
abe529af BP |
3669 | } |
3670 | ||
90bf1e07 | 3671 | static enum ofperr |
419460f4 | 3672 | packet_out(struct ofproto *ofproto_, struct ofpbuf *packet, |
abe529af | 3673 | const struct flow *flow, |
f25d0cf3 | 3674 | const struct ofpact *ofpacts, size_t ofpacts_len) |
abe529af | 3675 | { |
419460f4 AW |
3676 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
3677 | ||
3678 | ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts, | |
3679 | ofpacts_len, packet); | |
548de4dd | 3680 | return 0; |
abe529af | 3681 | } |
6fca1ffb BP |
3682 | \f |
3683 | /* NetFlow. */ | |
3684 | ||
3685 | static int | |
3686 | set_netflow(struct ofproto *ofproto_, | |
3687 | const struct netflow_options *netflow_options) | |
3688 | { | |
3689 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3690 | ||
3691 | if (netflow_options) { | |
3692 | if (!ofproto->netflow) { | |
3693 | ofproto->netflow = netflow_create(); | |
7bab1576 | 3694 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6fca1ffb BP |
3695 | } |
3696 | return netflow_set_options(ofproto->netflow, netflow_options); | |
7bab1576 EJ |
3697 | } else if (ofproto->netflow) { |
3698 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
8e407f27 | 3699 | netflow_unref(ofproto->netflow); |
6fca1ffb | 3700 | ofproto->netflow = NULL; |
6fca1ffb | 3701 | } |
7bab1576 EJ |
3702 | |
3703 | return 0; | |
6fca1ffb | 3704 | } |
abe529af BP |
3705 | |
3706 | static void | |
3707 | get_netflow_ids(const struct ofproto *ofproto_, | |
3708 | uint8_t *engine_type, uint8_t *engine_id) | |
3709 | { | |
3710 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3711 | ||
acf60855 | 3712 | dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id); |
abe529af BP |
3713 | } |
3714 | \f | |
3715 | static struct ofproto_dpif * | |
3716 | ofproto_dpif_lookup(const char *name) | |
3717 | { | |
b44a10b7 BP |
3718 | struct ofproto_dpif *ofproto; |
3719 | ||
3720 | HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node, | |
3721 | hash_string(name, 0), &all_ofproto_dpifs) { | |
3722 | if (!strcmp(ofproto->up.name, name)) { | |
3723 | return ofproto; | |
3724 | } | |
3725 | } | |
3726 | return NULL; | |
abe529af BP |
3727 | } |
3728 | ||
f0a3aa2e | 3729 | static void |
96e466a3 | 3730 | ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc, |
0e15264f | 3731 | const char *argv[], void *aux OVS_UNUSED) |
f0a3aa2e | 3732 | { |
490df1ef | 3733 | struct ofproto_dpif *ofproto; |
f0a3aa2e | 3734 | |
96e466a3 EJ |
3735 | if (argc > 1) { |
3736 | ofproto = ofproto_dpif_lookup(argv[1]); | |
3737 | if (!ofproto) { | |
bde9f75d | 3738 | unixctl_command_reply_error(conn, "no such bridge"); |
96e466a3 EJ |
3739 | return; |
3740 | } | |
509c0149 | 3741 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 3742 | mac_learning_flush(ofproto->ml); |
509c0149 | 3743 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 EJ |
3744 | } else { |
3745 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
509c0149 | 3746 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 3747 | mac_learning_flush(ofproto->ml); |
509c0149 | 3748 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 | 3749 | } |
f0a3aa2e | 3750 | } |
f0a3aa2e | 3751 | |
bde9f75d | 3752 | unixctl_command_reply(conn, "table successfully flushed"); |
f0a3aa2e AA |
3753 | } |
3754 | ||
46c88433 EJ |
3755 | static struct ofport_dpif * |
3756 | ofbundle_get_a_port(const struct ofbundle *bundle) | |
3757 | { | |
3758 | return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif, | |
3759 | bundle_node); | |
3760 | } | |
3761 | ||
abe529af | 3762 | static void |
0e15264f BP |
3763 | ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
3764 | const char *argv[], void *aux OVS_UNUSED) | |
abe529af BP |
3765 | { |
3766 | struct ds ds = DS_EMPTY_INITIALIZER; | |
3767 | const struct ofproto_dpif *ofproto; | |
3768 | const struct mac_entry *e; | |
3769 | ||
0e15264f | 3770 | ofproto = ofproto_dpif_lookup(argv[1]); |
abe529af | 3771 | if (!ofproto) { |
bde9f75d | 3772 | unixctl_command_reply_error(conn, "no such bridge"); |
abe529af BP |
3773 | return; |
3774 | } | |
3775 | ||
3776 | ds_put_cstr(&ds, " port VLAN MAC Age\n"); | |
509c0149 | 3777 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
3778 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
3779 | struct ofbundle *bundle = e->port.p; | |
ad28062f BP |
3780 | char name[OFP_MAX_PORT_NAME_LEN]; |
3781 | ||
3782 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
3783 | name, sizeof name); | |
3784 | ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n", | |
3785 | name, e->vlan, ETH_ADDR_ARGS(e->mac), | |
e764773c | 3786 | mac_entry_age(ofproto->ml, e)); |
abe529af | 3787 | } |
509c0149 | 3788 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
bde9f75d | 3789 | unixctl_command_reply(conn, ds_cstr(&ds)); |
abe529af BP |
3790 | ds_destroy(&ds); |
3791 | } | |
3792 | ||
6a6455e5 | 3793 | struct trace_ctx { |
bbafd73b EJ |
3794 | struct xlate_out xout; |
3795 | struct xlate_in xin; | |
ce58df5b | 3796 | const struct flow *key; |
abe529af | 3797 | struct flow flow; |
41a91a0b | 3798 | struct flow_wildcards wc; |
abe529af BP |
3799 | struct ds *result; |
3800 | }; | |
3801 | ||
3802 | static void | |
4d0acc70 | 3803 | trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule) |
abe529af | 3804 | { |
15aaf599 BP |
3805 | struct rule_actions *actions; |
3806 | ovs_be64 cookie; | |
3807 | ||
abe529af BP |
3808 | ds_put_char_multiple(result, '\t', level); |
3809 | if (!rule) { | |
3810 | ds_put_cstr(result, "No match\n"); | |
3811 | return; | |
3812 | } | |
3813 | ||
15aaf599 BP |
3814 | ovs_mutex_lock(&rule->up.mutex); |
3815 | cookie = rule->up.flow_cookie; | |
3816 | ovs_mutex_unlock(&rule->up.mutex); | |
3817 | ||
29901626 | 3818 | ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ", |
15aaf599 | 3819 | rule ? rule->up.table_id : 0, ntohll(cookie)); |
79feb7df | 3820 | cls_rule_format(&rule->up.cr, result); |
abe529af BP |
3821 | ds_put_char(result, '\n'); |
3822 | ||
15aaf599 BP |
3823 | actions = rule_dpif_get_actions(rule); |
3824 | ||
abe529af | 3825 | ds_put_char_multiple(result, '\t', level); |
455ecd77 | 3826 | ds_put_cstr(result, "OpenFlow actions="); |
15aaf599 | 3827 | ofpacts_format(actions->ofpacts, actions->ofpacts_len, result); |
abe529af BP |
3828 | ds_put_char(result, '\n'); |
3829 | } | |
3830 | ||
3831 | static void | |
3832 | trace_format_flow(struct ds *result, int level, const char *title, | |
bbafd73b | 3833 | struct trace_ctx *trace) |
abe529af BP |
3834 | { |
3835 | ds_put_char_multiple(result, '\t', level); | |
3836 | ds_put_format(result, "%s: ", title); | |
ce58df5b JR |
3837 | /* Do not report unchanged flows for resubmits. */ |
3838 | if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow)) | |
3839 | || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) { | |
abe529af BP |
3840 | ds_put_cstr(result, "unchanged"); |
3841 | } else { | |
bbafd73b EJ |
3842 | flow_format(result, &trace->xin.flow); |
3843 | trace->flow = trace->xin.flow; | |
abe529af BP |
3844 | } |
3845 | ds_put_char(result, '\n'); | |
3846 | } | |
3847 | ||
eb9e1c26 EJ |
3848 | static void |
3849 | trace_format_regs(struct ds *result, int level, const char *title, | |
6a6455e5 | 3850 | struct trace_ctx *trace) |
eb9e1c26 EJ |
3851 | { |
3852 | size_t i; | |
3853 | ||
3854 | ds_put_char_multiple(result, '\t', level); | |
3855 | ds_put_format(result, "%s:", title); | |
3856 | for (i = 0; i < FLOW_N_REGS; i++) { | |
34582733 | 3857 | ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]); |
eb9e1c26 EJ |
3858 | } |
3859 | ds_put_char(result, '\n'); | |
3860 | } | |
3861 | ||
1ed8d352 EJ |
3862 | static void |
3863 | trace_format_odp(struct ds *result, int level, const char *title, | |
6a6455e5 | 3864 | struct trace_ctx *trace) |
1ed8d352 | 3865 | { |
bbafd73b | 3866 | struct ofpbuf *odp_actions = &trace->xout.odp_actions; |
1ed8d352 EJ |
3867 | |
3868 | ds_put_char_multiple(result, '\t', level); | |
3869 | ds_put_format(result, "%s: ", title); | |
1f317cb5 PS |
3870 | format_odp_actions(result, ofpbuf_data(odp_actions), |
3871 | ofpbuf_size(odp_actions)); | |
1ed8d352 EJ |
3872 | ds_put_char(result, '\n'); |
3873 | } | |
3874 | ||
41a91a0b AW |
3875 | static void |
3876 | trace_format_megaflow(struct ds *result, int level, const char *title, | |
3877 | struct trace_ctx *trace) | |
3878 | { | |
3879 | struct match match; | |
3880 | ||
3881 | ds_put_char_multiple(result, '\t', level); | |
3882 | ds_put_format(result, "%s: ", title); | |
3883 | flow_wildcards_or(&trace->wc, &trace->xout.wc, &trace->wc); | |
ce58df5b | 3884 | match_init(&match, trace->key, &trace->wc); |
41a91a0b AW |
3885 | match_format(&match, result, OFP_DEFAULT_PRIORITY); |
3886 | ds_put_char(result, '\n'); | |
3887 | } | |
3888 | ||
abe529af | 3889 | static void |
4d0acc70 | 3890 | trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse) |
abe529af | 3891 | { |
4d0acc70 | 3892 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
abe529af BP |
3893 | struct ds *result = trace->result; |
3894 | ||
3895 | ds_put_char(result, '\n'); | |
4d0acc70 EJ |
3896 | trace_format_flow(result, recurse + 1, "Resubmitted flow", trace); |
3897 | trace_format_regs(result, recurse + 1, "Resubmitted regs", trace); | |
3898 | trace_format_odp(result, recurse + 1, "Resubmitted odp", trace); | |
41a91a0b | 3899 | trace_format_megaflow(result, recurse + 1, "Resubmitted megaflow", trace); |
4d0acc70 | 3900 | trace_format_rule(result, recurse + 1, rule); |
abe529af BP |
3901 | } |
3902 | ||
479df176 | 3903 | static void |
4d0acc70 | 3904 | trace_report(struct xlate_in *xin, const char *s, int recurse) |
479df176 | 3905 | { |
4d0acc70 | 3906 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
479df176 BP |
3907 | struct ds *result = trace->result; |
3908 | ||
4d0acc70 | 3909 | ds_put_char_multiple(result, '\t', recurse); |
479df176 BP |
3910 | ds_put_cstr(result, s); |
3911 | ds_put_char(result, '\n'); | |
3912 | } | |
3913 | ||
b6f00895 BP |
3914 | /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following |
3915 | * forms are supported: | |
3916 | * | |
3917 | * - [dpname] odp_flow [-generate | packet] | |
3918 | * - bridge br_flow [-generate | packet] | |
3919 | * | |
3920 | * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure | |
316078c7 JR |
3921 | * returns a nonnull malloced error message. */ |
3922 | static char * WARN_UNUSED_RESULT | |
b6f00895 BP |
3923 | parse_flow_and_packet(int argc, const char *argv[], |
3924 | struct ofproto_dpif **ofprotop, struct flow *flow, | |
3925 | struct ofpbuf **packetp) | |
abe529af | 3926 | { |
0a37839c | 3927 | const struct dpif_backer *backer = NULL; |
b6f00895 | 3928 | const char *error = NULL; |
316078c7 | 3929 | char *m_err = NULL; |
b6f00895 | 3930 | struct simap port_names = SIMAP_INITIALIZER(&port_names); |
876b0e1c | 3931 | struct ofpbuf *packet; |
b6f00895 BP |
3932 | struct ofpbuf odp_key; |
3933 | struct ofpbuf odp_mask; | |
abe529af | 3934 | |
50aa28fd | 3935 | ofpbuf_init(&odp_key, 0); |
ea5e3887 | 3936 | ofpbuf_init(&odp_mask, 0); |
abe529af | 3937 | |
50aa28fd AW |
3938 | /* Handle "-generate" or a hex string as the last argument. */ |
3939 | if (!strcmp(argv[argc - 1], "-generate")) { | |
3940 | packet = ofpbuf_new(0); | |
3941 | argc--; | |
3942 | } else { | |
b6f00895 | 3943 | error = eth_from_hex(argv[argc - 1], &packet); |
50aa28fd AW |
3944 | if (!error) { |
3945 | argc--; | |
3946 | } else if (argc == 4) { | |
3947 | /* The 3-argument form must end in "-generate' or a hex string. */ | |
50aa28fd AW |
3948 | goto exit; |
3949 | } | |
316078c7 | 3950 | error = NULL; |
e84173dc | 3951 | } |
876b0e1c | 3952 | |
0a37839c GS |
3953 | /* odp_flow can have its in_port specified as a name instead of port no. |
3954 | * We do not yet know whether a given flow is a odp_flow or a br_flow. | |
3955 | * But, to know whether a flow is odp_flow through odp_flow_from_string(), | |
3956 | * we need to create a simap of name to port no. */ | |
3957 | if (argc == 3) { | |
3958 | const char *dp_type; | |
3959 | if (!strncmp(argv[1], "ovs-", 4)) { | |
3960 | dp_type = argv[1] + 4; | |
3961 | } else { | |
3962 | dp_type = argv[1]; | |
3963 | } | |
3964 | backer = shash_find_data(&all_dpif_backers, dp_type); | |
b6f00895 | 3965 | } else if (argc == 2) { |
0a37839c GS |
3966 | struct shash_node *node; |
3967 | if (shash_count(&all_dpif_backers) == 1) { | |
3968 | node = shash_first(&all_dpif_backers); | |
3969 | backer = node->data; | |
3970 | } | |
b6f00895 BP |
3971 | } else { |
3972 | error = "Syntax error"; | |
3973 | goto exit; | |
0a37839c GS |
3974 | } |
3975 | if (backer && backer->dpif) { | |
3976 | struct dpif_port dpif_port; | |
3977 | struct dpif_port_dump port_dump; | |
3978 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) { | |
3979 | simap_put(&port_names, dpif_port.name, | |
3980 | odp_to_u32(dpif_port.port_no)); | |
3981 | } | |
3982 | } | |
3983 | ||
50aa28fd AW |
3984 | /* Parse the flow and determine whether a datapath or |
3985 | * bridge is specified. If function odp_flow_key_from_string() | |
3986 | * returns 0, the flow is a odp_flow. If function | |
316078c7 | 3987 | * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */ |
b6f00895 BP |
3988 | if (!odp_flow_from_string(argv[argc - 1], &port_names, |
3989 | &odp_key, &odp_mask)) { | |
0a37839c | 3990 | if (!backer) { |
b6f00895 | 3991 | error = "Cannot find the datapath"; |
0a37839c | 3992 | goto exit; |
876b0e1c | 3993 | } |
8b3b8dd1 | 3994 | |
1f317cb5 PS |
3995 | if (xlate_receive(backer, NULL, ofpbuf_data(&odp_key), |
3996 | ofpbuf_size(&odp_key), flow, | |
836fbda7 | 3997 | ofprotop, NULL, NULL, NULL, NULL)) { |
b6f00895 | 3998 | error = "Invalid datapath flow"; |
50aa28fd | 3999 | goto exit; |
8b3b8dd1 | 4000 | } |
316078c7 JR |
4001 | } else { |
4002 | char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL); | |
876b0e1c | 4003 | |
316078c7 JR |
4004 | if (err) { |
4005 | m_err = xasprintf("Bad flow syntax: %s", err); | |
4006 | free(err); | |
50aa28fd | 4007 | goto exit; |
316078c7 JR |
4008 | } else { |
4009 | if (argc != 3) { | |
4010 | error = "Must specify bridge name"; | |
4011 | goto exit; | |
4012 | } | |
4013 | ||
4014 | *ofprotop = ofproto_dpif_lookup(argv[1]); | |
4015 | if (!*ofprotop) { | |
4016 | error = "Unknown bridge name"; | |
4017 | goto exit; | |
4018 | } | |
50aa28fd | 4019 | } |
abe529af BP |
4020 | } |
4021 | ||
50aa28fd AW |
4022 | /* Generate a packet, if requested. */ |
4023 | if (packet) { | |
1f317cb5 | 4024 | if (!ofpbuf_size(packet)) { |
b6f00895 | 4025 | flow_compose(packet, flow); |
50aa28fd | 4026 | } else { |
fc3431c6 | 4027 | struct pkt_metadata md = pkt_metadata_from_flow(flow); |
50aa28fd AW |
4028 | |
4029 | /* Use the metadata from the flow and the packet argument | |
4030 | * to reconstruct the flow. */ | |
b5e7e61a | 4031 | flow_extract(packet, &md, flow); |
50aa28fd AW |
4032 | } |
4033 | } | |
4034 | ||
6a6455e5 | 4035 | exit: |
316078c7 JR |
4036 | if (error && !m_err) { |
4037 | m_err = xstrdup(error); | |
4038 | } | |
4039 | if (m_err) { | |
b6f00895 BP |
4040 | ofpbuf_delete(packet); |
4041 | packet = NULL; | |
4042 | } | |
4043 | *packetp = packet; | |
6a6455e5 | 4044 | ofpbuf_uninit(&odp_key); |
ea5e3887 | 4045 | ofpbuf_uninit(&odp_mask); |
0a37839c | 4046 | simap_destroy(&port_names); |
316078c7 | 4047 | return m_err; |
b6f00895 BP |
4048 | } |
4049 | ||
4050 | static void | |
4051 | ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[], | |
4052 | void *aux OVS_UNUSED) | |
4053 | { | |
4054 | struct ofproto_dpif *ofproto; | |
4055 | struct ofpbuf *packet; | |
316078c7 | 4056 | char *error; |
b6f00895 BP |
4057 | struct flow flow; |
4058 | ||
4059 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
4060 | if (!error) { | |
4061 | struct ds result; | |
4062 | ||
4063 | ds_init(&result); | |
aee0979b | 4064 | ofproto_trace(ofproto, &flow, packet, NULL, 0, &result); |
b6f00895 BP |
4065 | unixctl_command_reply(conn, ds_cstr(&result)); |
4066 | ds_destroy(&result); | |
4067 | ofpbuf_delete(packet); | |
4068 | } else { | |
4069 | unixctl_command_reply_error(conn, error); | |
316078c7 | 4070 | free(error); |
b6f00895 | 4071 | } |
6a6455e5 EJ |
4072 | } |
4073 | ||
aee0979b BP |
4074 | static void |
4075 | ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc, | |
4076 | const char *argv[], void *aux OVS_UNUSED) | |
4077 | { | |
4078 | enum ofputil_protocol usable_protocols; | |
4079 | struct ofproto_dpif *ofproto; | |
4080 | bool enforce_consistency; | |
4081 | struct ofpbuf ofpacts; | |
4082 | struct ofpbuf *packet; | |
4083 | struct ds result; | |
4084 | struct flow flow; | |
4085 | uint16_t in_port; | |
4086 | ||
4087 | /* Three kinds of error return values! */ | |
4088 | enum ofperr retval; | |
316078c7 | 4089 | char *error; |
aee0979b BP |
4090 | |
4091 | packet = NULL; | |
4092 | ds_init(&result); | |
4093 | ofpbuf_init(&ofpacts, 0); | |
4094 | ||
4095 | /* Parse actions. */ | |
316078c7 JR |
4096 | error = parse_ofpacts(argv[--argc], &ofpacts, &usable_protocols); |
4097 | if (error) { | |
4098 | unixctl_command_reply_error(conn, error); | |
4099 | free(error); | |
aee0979b BP |
4100 | goto exit; |
4101 | } | |
4102 | ||
4103 | /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of | |
ba2fe8e9 BP |
4104 | * consistency between the flow and the actions. With -consistent, we |
4105 | * enforce consistency even for a flow supported in OpenFlow 1.0. */ | |
aee0979b BP |
4106 | if (!strcmp(argv[1], "-consistent")) { |
4107 | enforce_consistency = true; | |
4108 | argv++; | |
4109 | argc--; | |
ba2fe8e9 BP |
4110 | } else { |
4111 | enforce_consistency = false; | |
aee0979b BP |
4112 | } |
4113 | ||
4114 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
4115 | if (error) { | |
4116 | unixctl_command_reply_error(conn, error); | |
316078c7 | 4117 | free(error); |
aee0979b BP |
4118 | goto exit; |
4119 | } | |
4120 | ||
4121 | /* Do the same checks as handle_packet_out() in ofproto.c. | |
4122 | * | |
4123 | * We pass a 'table_id' of 0 to ofproto_check_ofpacts(), which isn't | |
4124 | * strictly correct because these actions aren't in any table, but it's OK | |
4125 | * because it 'table_id' is used only to check goto_table instructions, but | |
4126 | * packet-outs take a list of actions and therefore it can't include | |
4127 | * instructions. | |
4128 | * | |
4129 | * We skip the "meter" check here because meter is an instruction, not an | |
4130 | * action, and thus cannot appear in ofpacts. */ | |
4131 | in_port = ofp_to_u16(flow.in_port.ofp_port); | |
4132 | if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) { | |
4133 | unixctl_command_reply_error(conn, "invalid in_port"); | |
4134 | goto exit; | |
4135 | } | |
ba2fe8e9 | 4136 | if (enforce_consistency) { |
1f317cb5 PS |
4137 | retval = ofpacts_check_consistency(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), |
4138 | &flow, u16_to_ofp(ofproto->up.max_ports), | |
ba2fe8e9 BP |
4139 | 0, 0, usable_protocols); |
4140 | } else { | |
1f317cb5 | 4141 | retval = ofpacts_check(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &flow, |
ba2fe8e9 BP |
4142 | u16_to_ofp(ofproto->up.max_ports), 0, 0, |
4143 | &usable_protocols); | |
4144 | } | |
4145 | ||
aee0979b BP |
4146 | if (retval) { |
4147 | ds_clear(&result); | |
4148 | ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval)); | |
4149 | unixctl_command_reply_error(conn, ds_cstr(&result)); | |
4150 | goto exit; | |
4151 | } | |
4152 | ||
1f317cb5 PS |
4153 | ofproto_trace(ofproto, &flow, packet, |
4154 | ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &result); | |
aee0979b BP |
4155 | unixctl_command_reply(conn, ds_cstr(&result)); |
4156 | ||
4157 | exit: | |
4158 | ds_destroy(&result); | |
4159 | ofpbuf_delete(packet); | |
4160 | ofpbuf_uninit(&ofpacts); | |
4161 | } | |
4162 | ||
4163 | /* Implements a "trace" through 'ofproto''s flow table, appending a textual | |
4164 | * description of the results to 'ds'. | |
4165 | * | |
4166 | * The trace follows a packet with the specified 'flow' through the flow | |
4167 | * table. 'packet' may be nonnull to trace an actual packet, with consequent | |
4168 | * side effects (if it is nonnull then its flow must be 'flow'). | |
4169 | * | |
4170 | * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to | |
4171 | * trace, otherwise the actions are determined by a flow table lookup. */ | |
ade6ad9c | 4172 | static void |
adcf00ba | 4173 | ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow, |
aee0979b BP |
4174 | const struct ofpbuf *packet, |
4175 | const struct ofpact ofpacts[], size_t ofpacts_len, | |
4176 | struct ds *ds) | |
6a6455e5 EJ |
4177 | { |
4178 | struct rule_dpif *rule; | |
41a91a0b | 4179 | struct trace_ctx trace; |
6a6455e5 | 4180 | |
aee0979b | 4181 | ds_put_format(ds, "Bridge: %s\n", ofproto->up.name); |
6a6455e5 EJ |
4182 | ds_put_cstr(ds, "Flow: "); |
4183 | flow_format(ds, flow); | |
4184 | ds_put_char(ds, '\n'); | |
abe529af | 4185 | |
41a91a0b | 4186 | flow_wildcards_init_catchall(&trace.wc); |
aee0979b BP |
4187 | if (ofpacts) { |
4188 | rule = NULL; | |
4189 | } else { | |
41a91a0b | 4190 | rule_dpif_lookup(ofproto, flow, &trace.wc, &rule); |
aee0979b BP |
4191 | |
4192 | trace_format_rule(ds, 0, rule); | |
4193 | if (rule == ofproto->miss_rule) { | |
4194 | ds_put_cstr(ds, "\nNo match, flow generates \"packet in\"s.\n"); | |
4195 | } else if (rule == ofproto->no_packet_in_rule) { | |
4196 | ds_put_cstr(ds, "\nNo match, packets dropped because " | |
4197 | "OFPPC_NO_PACKET_IN is set on in_port.\n"); | |
4198 | } else if (rule == ofproto->drop_frags_rule) { | |
4199 | ds_put_cstr(ds, "\nPackets dropped because they are IP fragments " | |
4200 | "and the fragment handling mode is \"drop\".\n"); | |
4201 | } | |
c57b2226 BP |
4202 | } |
4203 | ||
aee0979b | 4204 | if (rule || ofpacts) { |
6a6455e5 | 4205 | trace.result = ds; |
ce58df5b JR |
4206 | trace.key = flow; /* Original flow key, used for megaflow. */ |
4207 | trace.flow = *flow; /* May be modified by actions. */ | |
e0eecb1c JR |
4208 | xlate_in_init(&trace.xin, ofproto, flow, rule, ntohs(flow->tcp_flags), |
4209 | packet); | |
aee0979b BP |
4210 | if (ofpacts) { |
4211 | trace.xin.ofpacts = ofpacts; | |
4212 | trace.xin.ofpacts_len = ofpacts_len; | |
4213 | } | |
bbafd73b EJ |
4214 | trace.xin.resubmit_hook = trace_resubmit; |
4215 | trace.xin.report_hook = trace_report; | |
bcd2633a | 4216 | |
bbafd73b | 4217 | xlate_actions(&trace.xin, &trace.xout); |
abe529af | 4218 | |
6a6455e5 EJ |
4219 | ds_put_char(ds, '\n'); |
4220 | trace_format_flow(ds, 0, "Final flow", &trace); | |
41a91a0b | 4221 | trace_format_megaflow(ds, 0, "Megaflow", &trace); |
bcd2633a | 4222 | |
6a6455e5 | 4223 | ds_put_cstr(ds, "Datapath actions: "); |
1f317cb5 PS |
4224 | format_odp_actions(ds, ofpbuf_data(&trace.xout.odp_actions), |
4225 | ofpbuf_size(&trace.xout.odp_actions)); | |
876b0e1c | 4226 | |
bbafd73b | 4227 | if (trace.xout.slow) { |
04594cd5 BP |
4228 | enum slow_path_reason slow; |
4229 | ||
6a7e895f BP |
4230 | ds_put_cstr(ds, "\nThis flow is handled by the userspace " |
4231 | "slow path because it:"); | |
04594cd5 BP |
4232 | |
4233 | slow = trace.xout.slow; | |
4234 | while (slow) { | |
4235 | enum slow_path_reason bit = rightmost_1bit(slow); | |
4236 | ||
4237 | ds_put_format(ds, "\n\t- %s.", | |
4238 | slow_path_reason_to_explanation(bit)); | |
4239 | ||
4240 | slow &= ~bit; | |
6a7e895f | 4241 | } |
876b0e1c | 4242 | } |
bbafd73b EJ |
4243 | |
4244 | xlate_out_uninit(&trace.xout); | |
abe529af | 4245 | } |
ad3efdcb | 4246 | |
a2143702 | 4247 | rule_dpif_unref(rule); |
abe529af BP |
4248 | } |
4249 | ||
27022416 JP |
4250 | /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list |
4251 | * of the 'ofproto_shash' nodes. It is the responsibility of the caller | |
4252 | * to destroy 'ofproto_shash' and free the returned value. */ | |
4253 | static const struct shash_node ** | |
4254 | get_ofprotos(struct shash *ofproto_shash) | |
4255 | { | |
4256 | const struct ofproto_dpif *ofproto; | |
4257 | ||
4258 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
4259 | char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name); | |
4260 | shash_add_nocopy(ofproto_shash, name, ofproto); | |
4261 | } | |
4262 | ||
4263 | return shash_sort(ofproto_shash); | |
4264 | } | |
4265 | ||
4266 | static void | |
4267 | ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4268 | const char *argv[] OVS_UNUSED, | |
4269 | void *aux OVS_UNUSED) | |
4270 | { | |
4271 | struct ds ds = DS_EMPTY_INITIALIZER; | |
4272 | struct shash ofproto_shash; | |
4273 | const struct shash_node **sorted_ofprotos; | |
4274 | int i; | |
4275 | ||
4276 | shash_init(&ofproto_shash); | |
4277 | sorted_ofprotos = get_ofprotos(&ofproto_shash); | |
4278 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
4279 | const struct shash_node *node = sorted_ofprotos[i]; | |
4280 | ds_put_format(&ds, "%s\n", node->name); | |
4281 | } | |
4282 | ||
4283 | shash_destroy(&ofproto_shash); | |
4284 | free(sorted_ofprotos); | |
4285 | ||
4286 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4287 | ds_destroy(&ds); | |
4288 | } | |
4289 | ||
dc54ef36 EJ |
4290 | static void |
4291 | dpif_show_backer(const struct dpif_backer *backer, struct ds *ds) | |
27022416 | 4292 | { |
dc54ef36 | 4293 | const struct shash_node **ofprotos; |
e79a6c83 | 4294 | struct dpif_dp_stats dp_stats; |
dc54ef36 | 4295 | struct shash ofproto_shash; |
09672174 | 4296 | size_t i; |
655ab909 | 4297 | |
e79a6c83 | 4298 | dpif_get_dp_stats(backer->dpif, &dp_stats); |
655ab909 | 4299 | |
dc54ef36 | 4300 | ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n", |
e79a6c83 | 4301 | dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed); |
dc54ef36 | 4302 | |
dc54ef36 EJ |
4303 | shash_init(&ofproto_shash); |
4304 | ofprotos = get_ofprotos(&ofproto_shash); | |
4305 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
4306 | struct ofproto_dpif *ofproto = ofprotos[i]->data; | |
4307 | const struct shash_node **ports; | |
4308 | size_t j; | |
0a740f48 | 4309 | |
dc54ef36 EJ |
4310 | if (ofproto->backer != backer) { |
4311 | continue; | |
0a740f48 | 4312 | } |
27022416 | 4313 | |
e79a6c83 | 4314 | ds_put_format(ds, "\t%s:\n", ofproto->up.name); |
dc54ef36 EJ |
4315 | |
4316 | ports = shash_sort(&ofproto->up.port_by_name); | |
4317 | for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) { | |
4318 | const struct shash_node *node = ports[j]; | |
4319 | struct ofport *ofport = node->data; | |
4320 | struct smap config; | |
4e022ec0 | 4321 | odp_port_t odp_port; |
27022416 | 4322 | |
dc54ef36 EJ |
4323 | ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev), |
4324 | ofport->ofp_port); | |
27022416 | 4325 | |
dc54ef36 | 4326 | odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port); |
4e022ec0 | 4327 | if (odp_port != ODPP_NONE) { |
dc54ef36 EJ |
4328 | ds_put_format(ds, "%"PRIu32":", odp_port); |
4329 | } else { | |
4330 | ds_put_cstr(ds, "none:"); | |
4331 | } | |
27022416 | 4332 | |
dc54ef36 | 4333 | ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev)); |
27022416 | 4334 | |
dc54ef36 EJ |
4335 | smap_init(&config); |
4336 | if (!netdev_get_config(ofport->netdev, &config)) { | |
4337 | const struct smap_node **nodes; | |
4338 | size_t i; | |
27022416 | 4339 | |
dc54ef36 EJ |
4340 | nodes = smap_sort(&config); |
4341 | for (i = 0; i < smap_count(&config); i++) { | |
4342 | const struct smap_node *node = nodes[i]; | |
4343 | ds_put_format(ds, "%c %s=%s", i ? ',' : ':', | |
4344 | node->key, node->value); | |
4345 | } | |
4346 | free(nodes); | |
27022416 | 4347 | } |
dc54ef36 EJ |
4348 | smap_destroy(&config); |
4349 | ||
27022416 | 4350 | ds_put_char(ds, ')'); |
dc54ef36 | 4351 | ds_put_char(ds, '\n'); |
27022416 | 4352 | } |
dc54ef36 | 4353 | free(ports); |
27022416 | 4354 | } |
dc54ef36 EJ |
4355 | shash_destroy(&ofproto_shash); |
4356 | free(ofprotos); | |
27022416 JP |
4357 | } |
4358 | ||
4359 | static void | |
dc54ef36 EJ |
4360 | ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
4361 | const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED) | |
27022416 JP |
4362 | { |
4363 | struct ds ds = DS_EMPTY_INITIALIZER; | |
dc54ef36 EJ |
4364 | const struct shash_node **backers; |
4365 | int i; | |
27022416 | 4366 | |
dc54ef36 EJ |
4367 | backers = shash_sort(&all_dpif_backers); |
4368 | for (i = 0; i < shash_count(&all_dpif_backers); i++) { | |
4369 | dpif_show_backer(backers[i]->data, &ds); | |
27022416 | 4370 | } |
dc54ef36 | 4371 | free(backers); |
27022416 JP |
4372 | |
4373 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4374 | ds_destroy(&ds); | |
4375 | } | |
4376 | ||
1b849273 JS |
4377 | static bool |
4378 | ofproto_dpif_contains_flow(const struct ofproto_dpif *ofproto, | |
4379 | const struct nlattr *key, size_t key_len) | |
4380 | { | |
1b849273 JS |
4381 | struct ofproto_dpif *ofp; |
4382 | struct flow flow; | |
4383 | ||
836fbda7 | 4384 | xlate_receive(ofproto->backer, NULL, key, key_len, &flow, &ofp, |
1b849273 JS |
4385 | NULL, NULL, NULL, NULL); |
4386 | return ofp == ofproto; | |
4387 | } | |
4388 | ||
27022416 JP |
4389 | static void |
4390 | ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn, | |
4391 | int argc OVS_UNUSED, const char *argv[], | |
4392 | void *aux OVS_UNUSED) | |
4393 | { | |
4394 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1b849273 | 4395 | const struct dpif_flow_stats *stats; |
27022416 | 4396 | const struct ofproto_dpif *ofproto; |
1b849273 JS |
4397 | struct dpif_flow_dump flow_dump; |
4398 | const struct nlattr *actions; | |
4399 | const struct nlattr *mask; | |
4400 | const struct nlattr *key; | |
4401 | size_t actions_len; | |
4402 | size_t mask_len; | |
4403 | size_t key_len; | |
04b541df GS |
4404 | bool verbosity = false; |
4405 | struct dpif_port dpif_port; | |
4406 | struct dpif_port_dump port_dump; | |
4407 | struct hmap portno_names; | |
d2ad7ef1 | 4408 | void *state = NULL; |
938eaa50 | 4409 | int error; |
27022416 | 4410 | |
04b541df | 4411 | ofproto = ofproto_dpif_lookup(argv[argc - 1]); |
27022416 JP |
4412 | if (!ofproto) { |
4413 | unixctl_command_reply_error(conn, "no such bridge"); | |
4414 | return; | |
4415 | } | |
4416 | ||
04b541df GS |
4417 | if (argc > 2 && !strcmp(argv[1], "-m")) { |
4418 | verbosity = true; | |
4419 | } | |
4420 | ||
4421 | hmap_init(&portno_names); | |
4422 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) { | |
4423 | odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name); | |
4424 | } | |
4425 | ||
1b849273 | 4426 | ds_init(&ds); |
938eaa50 JS |
4427 | error = dpif_flow_dump_start(&flow_dump, ofproto->backer->dpif); |
4428 | if (error) { | |
4429 | goto exit; | |
4430 | } | |
d2ad7ef1 JS |
4431 | dpif_flow_dump_state_init(ofproto->backer->dpif, &state); |
4432 | while (dpif_flow_dump_next(&flow_dump, state, &key, &key_len, | |
4433 | &mask, &mask_len, &actions, &actions_len, | |
4434 | &stats)) { | |
1b849273 | 4435 | if (!ofproto_dpif_contains_flow(ofproto, key, key_len)) { |
04d08d54 EJ |
4436 | continue; |
4437 | } | |
4438 | ||
04b541df GS |
4439 | odp_flow_format(key, key_len, mask, mask_len, &portno_names, &ds, |
4440 | verbosity); | |
1b849273 JS |
4441 | ds_put_cstr(&ds, ", "); |
4442 | dpif_flow_stats_format(stats, &ds); | |
27022416 | 4443 | ds_put_cstr(&ds, ", actions:"); |
1b849273 | 4444 | format_odp_actions(&ds, actions, actions_len); |
27022416 JP |
4445 | ds_put_char(&ds, '\n'); |
4446 | } | |
d2ad7ef1 | 4447 | dpif_flow_dump_state_uninit(ofproto->backer->dpif, state); |
938eaa50 | 4448 | error = dpif_flow_dump_done(&flow_dump); |
27022416 | 4449 | |
938eaa50 JS |
4450 | exit: |
4451 | if (error) { | |
1b849273 JS |
4452 | ds_clear(&ds); |
4453 | ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno)); | |
4454 | unixctl_command_reply_error(conn, ds_cstr(&ds)); | |
4455 | } else { | |
4456 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4457 | } | |
04b541df GS |
4458 | odp_portno_names_destroy(&portno_names); |
4459 | hmap_destroy(&portno_names); | |
27022416 JP |
4460 | ds_destroy(&ds); |
4461 | } | |
4462 | ||
abe529af BP |
4463 | static void |
4464 | ofproto_dpif_unixctl_init(void) | |
4465 | { | |
4466 | static bool registered; | |
4467 | if (registered) { | |
4468 | return; | |
4469 | } | |
4470 | registered = true; | |
4471 | ||
0e15264f BP |
4472 | unixctl_command_register( |
4473 | "ofproto/trace", | |
dc8ce81f | 4474 | "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]", |
50aa28fd | 4475 | 1, 3, ofproto_unixctl_trace, NULL); |
aee0979b BP |
4476 | unixctl_command_register( |
4477 | "ofproto/trace-packet-out", | |
4478 | "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions", | |
4479 | 2, 6, ofproto_unixctl_trace_actions, NULL); | |
96e466a3 | 4480 | unixctl_command_register("fdb/flush", "[bridge]", 0, 1, |
0e15264f BP |
4481 | ofproto_unixctl_fdb_flush, NULL); |
4482 | unixctl_command_register("fdb/show", "bridge", 1, 1, | |
4483 | ofproto_unixctl_fdb_show, NULL); | |
27022416 JP |
4484 | unixctl_command_register("dpif/dump-dps", "", 0, 0, |
4485 | ofproto_unixctl_dpif_dump_dps, NULL); | |
dc54ef36 EJ |
4486 | unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show, |
4487 | NULL); | |
04b541df | 4488 | unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2, |
27022416 | 4489 | ofproto_unixctl_dpif_dump_flows, NULL); |
abe529af | 4490 | } |
32260212 SH |
4491 | |
4492 | ||
4493 | /* Returns true if 'rule' is an internal rule, false otherwise. */ | |
4494 | bool | |
4495 | rule_is_internal(const struct rule *rule) | |
4496 | { | |
4497 | return rule->table_id == TBL_INTERNAL; | |
4498 | } | |
abe529af | 4499 | \f |
52a90c29 BP |
4500 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
4501 | * | |
4502 | * This is deprecated. It is only for compatibility with broken device drivers | |
4503 | * in old versions of Linux that do not properly support VLANs when VLAN | |
4504 | * devices are not used. When broken device drivers are no longer in | |
4505 | * widespread use, we will delete these interfaces. */ | |
4506 | ||
4507 | static int | |
4e022ec0 | 4508 | set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
4509 | { |
4510 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
4511 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
4512 | ||
4513 | if (realdev_ofp_port == ofport->realdev_ofp_port | |
4514 | && vid == ofport->vlandev_vid) { | |
4515 | return 0; | |
4516 | } | |
4517 | ||
2cc3c58e | 4518 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
52a90c29 BP |
4519 | |
4520 | if (ofport->realdev_ofp_port) { | |
4521 | vsp_remove(ofport); | |
4522 | } | |
4523 | if (realdev_ofp_port && ofport->bundle) { | |
4524 | /* vlandevs are enslaved to their realdevs, so they are not allowed to | |
4525 | * themselves be part of a bundle. */ | |
adcf00ba | 4526 | bundle_set(ofport_->ofproto, ofport->bundle, NULL); |
52a90c29 BP |
4527 | } |
4528 | ||
4529 | ofport->realdev_ofp_port = realdev_ofp_port; | |
4530 | ofport->vlandev_vid = vid; | |
4531 | ||
4532 | if (realdev_ofp_port) { | |
4533 | vsp_add(ofport, realdev_ofp_port, vid); | |
4534 | } | |
4535 | ||
4536 | return 0; | |
4537 | } | |
4538 | ||
4539 | static uint32_t | |
4e022ec0 | 4540 | hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid) |
52a90c29 | 4541 | { |
4e022ec0 | 4542 | return hash_2words(ofp_to_u16(realdev_ofp_port), vid); |
52a90c29 BP |
4543 | } |
4544 | ||
46c88433 EJ |
4545 | bool |
4546 | ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto) | |
13501305 | 4547 | OVS_EXCLUDED(ofproto->vsp_mutex) |
46c88433 | 4548 | { |
7614e5d0 JR |
4549 | /* hmap_is_empty is thread safe. */ |
4550 | return !hmap_is_empty(&ofproto->realdev_vid_map); | |
46c88433 EJ |
4551 | } |
4552 | ||
f5374617 | 4553 | |
13501305 EJ |
4554 | static ofp_port_t |
4555 | vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto, | |
4556 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
4557 | OVS_REQUIRES(ofproto->vsp_mutex) | |
52a90c29 BP |
4558 | { |
4559 | if (!hmap_is_empty(&ofproto->realdev_vid_map)) { | |
52a90c29 BP |
4560 | int vid = vlan_tci_to_vid(vlan_tci); |
4561 | const struct vlan_splinter *vsp; | |
4562 | ||
4563 | HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node, | |
4564 | hash_realdev_vid(realdev_ofp_port, vid), | |
4565 | &ofproto->realdev_vid_map) { | |
4566 | if (vsp->realdev_ofp_port == realdev_ofp_port | |
4567 | && vsp->vid == vid) { | |
deea1200 | 4568 | return vsp->vlandev_ofp_port; |
52a90c29 BP |
4569 | } |
4570 | } | |
4571 | } | |
deea1200 | 4572 | return realdev_ofp_port; |
52a90c29 BP |
4573 | } |
4574 | ||
13501305 EJ |
4575 | /* Returns the OFP port number of the Linux VLAN device that corresponds to |
4576 | * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in | |
4577 | * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and | |
4578 | * 'vlan_tci' 9, it would return the port number of eth0.9. | |
4579 | * | |
4580 | * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this | |
4581 | * function just returns its 'realdev_ofp_port' argument. */ | |
4582 | ofp_port_t | |
4583 | vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto, | |
4584 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
4585 | OVS_EXCLUDED(ofproto->vsp_mutex) | |
4586 | { | |
4587 | ofp_port_t ret; | |
4588 | ||
7614e5d0 JR |
4589 | /* hmap_is_empty is thread safe, see if we can return immediately. */ |
4590 | if (hmap_is_empty(&ofproto->realdev_vid_map)) { | |
4591 | return realdev_ofp_port; | |
4592 | } | |
13501305 EJ |
4593 | ovs_mutex_lock(&ofproto->vsp_mutex); |
4594 | ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci); | |
4595 | ovs_mutex_unlock(&ofproto->vsp_mutex); | |
4596 | return ret; | |
4597 | } | |
4598 | ||
52a90c29 | 4599 | static struct vlan_splinter * |
4e022ec0 | 4600 | vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port) |
52a90c29 BP |
4601 | { |
4602 | struct vlan_splinter *vsp; | |
4603 | ||
4e022ec0 | 4604 | HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node, |
f9c0c3ec | 4605 | hash_ofp_port(vlandev_ofp_port), |
52a90c29 BP |
4606 | &ofproto->vlandev_map) { |
4607 | if (vsp->vlandev_ofp_port == vlandev_ofp_port) { | |
4608 | return vsp; | |
4609 | } | |
4610 | } | |
4611 | ||
4612 | return NULL; | |
4613 | } | |
4614 | ||
40e05935 BP |
4615 | /* Returns the OpenFlow port number of the "real" device underlying the Linux |
4616 | * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the | |
4617 | * VLAN VID of the Linux VLAN device in '*vid'. For example, given | |
4618 | * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of | |
4619 | * eth0 and store 9 in '*vid'. | |
4620 | * | |
4621 | * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux | |
4622 | * VLAN device. Unless VLAN splinters are enabled, this is what this function | |
4623 | * always does.*/ | |
4e022ec0 | 4624 | static ofp_port_t |
52a90c29 | 4625 | vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto, |
4e022ec0 | 4626 | ofp_port_t vlandev_ofp_port, int *vid) |
bd3950dd | 4627 | OVS_REQUIRES(ofproto->vsp_mutex) |
52a90c29 BP |
4628 | { |
4629 | if (!hmap_is_empty(&ofproto->vlandev_map)) { | |
4630 | const struct vlan_splinter *vsp; | |
4631 | ||
4632 | vsp = vlandev_find(ofproto, vlandev_ofp_port); | |
4633 | if (vsp) { | |
4634 | if (vid) { | |
4635 | *vid = vsp->vid; | |
4636 | } | |
4637 | return vsp->realdev_ofp_port; | |
4638 | } | |
4639 | } | |
4640 | return 0; | |
4641 | } | |
4642 | ||
b98d8985 BP |
4643 | /* Given 'flow', a flow representing a packet received on 'ofproto', checks |
4644 | * whether 'flow->in_port' represents a Linux VLAN device. If so, changes | |
4645 | * 'flow->in_port' to the "real" device backing the VLAN device, sets | |
4646 | * 'flow->vlan_tci' to the VLAN VID, and returns true. Otherwise (which is | |
4647 | * always the case unless VLAN splinters are enabled), returns false without | |
4648 | * making any changes. */ | |
8449c4d6 | 4649 | bool |
b98d8985 | 4650 | vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow) |
13501305 | 4651 | OVS_EXCLUDED(ofproto->vsp_mutex) |
b98d8985 | 4652 | { |
4e022ec0 | 4653 | ofp_port_t realdev; |
b98d8985 BP |
4654 | int vid; |
4655 | ||
7614e5d0 JR |
4656 | /* hmap_is_empty is thread safe. */ |
4657 | if (hmap_is_empty(&ofproto->vlandev_map)) { | |
4658 | return false; | |
4659 | } | |
4660 | ||
13501305 | 4661 | ovs_mutex_lock(&ofproto->vsp_mutex); |
4e022ec0 | 4662 | realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid); |
13501305 | 4663 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
b98d8985 BP |
4664 | if (!realdev) { |
4665 | return false; | |
4666 | } | |
4667 | ||
4668 | /* Cause the flow to be processed as if it came in on the real device with | |
4669 | * the VLAN device's VLAN ID. */ | |
4e022ec0 | 4670 | flow->in_port.ofp_port = realdev; |
b98d8985 BP |
4671 | flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI); |
4672 | return true; | |
4673 | } | |
4674 | ||
52a90c29 BP |
4675 | static void |
4676 | vsp_remove(struct ofport_dpif *port) | |
4677 | { | |
4678 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
4679 | struct vlan_splinter *vsp; | |
4680 | ||
13501305 | 4681 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 BP |
4682 | vsp = vlandev_find(ofproto, port->up.ofp_port); |
4683 | if (vsp) { | |
4684 | hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node); | |
4685 | hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node); | |
4686 | free(vsp); | |
4687 | ||
4688 | port->realdev_ofp_port = 0; | |
4689 | } else { | |
4690 | VLOG_ERR("missing vlan device record"); | |
4691 | } | |
13501305 | 4692 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 BP |
4693 | } |
4694 | ||
4695 | static void | |
4e022ec0 | 4696 | vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
4697 | { |
4698 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
4699 | ||
13501305 | 4700 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 | 4701 | if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL) |
13501305 | 4702 | && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid)) |
52a90c29 BP |
4703 | == realdev_ofp_port)) { |
4704 | struct vlan_splinter *vsp; | |
4705 | ||
4706 | vsp = xmalloc(sizeof *vsp); | |
52a90c29 BP |
4707 | vsp->realdev_ofp_port = realdev_ofp_port; |
4708 | vsp->vlandev_ofp_port = port->up.ofp_port; | |
4709 | vsp->vid = vid; | |
4710 | ||
4711 | port->realdev_ofp_port = realdev_ofp_port; | |
13501305 EJ |
4712 | |
4713 | hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node, | |
4714 | hash_ofp_port(port->up.ofp_port)); | |
4715 | hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node, | |
4716 | hash_realdev_vid(realdev_ofp_port, vid)); | |
52a90c29 BP |
4717 | } else { |
4718 | VLOG_ERR("duplicate vlan device record"); | |
4719 | } | |
13501305 | 4720 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 | 4721 | } |
e1b1d06a | 4722 | |
46c88433 | 4723 | static odp_port_t |
4e022ec0 | 4724 | ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
e1b1d06a JP |
4725 | { |
4726 | const struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); | |
4e022ec0 | 4727 | return ofport ? ofport->odp_port : ODPP_NONE; |
e1b1d06a JP |
4728 | } |
4729 | ||
8449c4d6 | 4730 | struct ofport_dpif * |
4e022ec0 | 4731 | odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port) |
e1b1d06a JP |
4732 | { |
4733 | struct ofport_dpif *port; | |
4734 | ||
8449c4d6 | 4735 | ovs_rwlock_rdlock(&backer->odp_to_ofport_lock); |
f9c0c3ec | 4736 | HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port), |
acf60855 | 4737 | &backer->odp_to_ofport_map) { |
e1b1d06a | 4738 | if (port->odp_port == odp_port) { |
8449c4d6 | 4739 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 | 4740 | return port; |
e1b1d06a JP |
4741 | } |
4742 | } | |
4743 | ||
8449c4d6 | 4744 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 JP |
4745 | return NULL; |
4746 | } | |
4747 | ||
4e022ec0 AW |
4748 | static ofp_port_t |
4749 | odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port) | |
acf60855 JP |
4750 | { |
4751 | struct ofport_dpif *port; | |
4752 | ||
4753 | port = odp_port_to_ofport(ofproto->backer, odp_port); | |
6472ba11 | 4754 | if (port && &ofproto->up == port->up.ofproto) { |
acf60855 JP |
4755 | return port->up.ofp_port; |
4756 | } else { | |
4757 | return OFPP_NONE; | |
4758 | } | |
e1b1d06a | 4759 | } |
655ab909 | 4760 | |
f5374617 AZ |
4761 | uint32_t |
4762 | ofproto_dpif_alloc_recirc_id(struct ofproto_dpif *ofproto) | |
4763 | { | |
4764 | struct dpif_backer *backer = ofproto->backer; | |
4765 | ||
4766 | return recirc_id_alloc(backer->rid_pool); | |
4767 | } | |
4768 | ||
4769 | void | |
4770 | ofproto_dpif_free_recirc_id(struct ofproto_dpif *ofproto, uint32_t recirc_id) | |
4771 | { | |
4772 | struct dpif_backer *backer = ofproto->backer; | |
4773 | ||
4774 | recirc_id_free(backer->rid_pool, recirc_id); | |
4775 | } | |
4776 | ||
adcf00ba AZ |
4777 | int |
4778 | ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto, | |
4779 | struct match *match, int priority, | |
4780 | const struct ofpbuf *ofpacts, | |
4781 | struct rule **rulep) | |
4782 | { | |
4783 | struct ofputil_flow_mod fm; | |
4784 | struct rule_dpif *rule; | |
4785 | int error; | |
4786 | ||
4787 | fm.match = *match; | |
4788 | fm.priority = priority; | |
4789 | fm.new_cookie = htonll(0); | |
4790 | fm.cookie = htonll(0); | |
4791 | fm.cookie_mask = htonll(0); | |
4792 | fm.modify_cookie = false; | |
4793 | fm.table_id = TBL_INTERNAL; | |
4794 | fm.command = OFPFC_ADD; | |
4795 | fm.idle_timeout = 0; | |
4796 | fm.hard_timeout = 0; | |
4797 | fm.buffer_id = 0; | |
4798 | fm.out_port = 0; | |
4799 | fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY; | |
8bd43ce6 JR |
4800 | fm.ofpacts = ofpbuf_data(ofpacts); |
4801 | fm.ofpacts_len = ofpbuf_size(ofpacts); | |
adcf00ba AZ |
4802 | |
4803 | error = ofproto_flow_mod(&ofproto->up, &fm); | |
4804 | if (error) { | |
4805 | VLOG_ERR_RL(&rl, "failed to add internal flow (%s)", | |
4806 | ofperr_to_string(error)); | |
4807 | *rulep = NULL; | |
4808 | return error; | |
4809 | } | |
4810 | ||
4811 | rule = rule_dpif_lookup_in_table(ofproto, TBL_INTERNAL, &match->flow, | |
4812 | &match->wc); | |
4813 | if (rule) { | |
4814 | rule_dpif_unref(rule); | |
4815 | *rulep = &rule->up; | |
4816 | } else { | |
4817 | OVS_NOT_REACHED(); | |
4818 | } | |
4819 | return 0; | |
4820 | } | |
4821 | ||
4822 | int | |
4823 | ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto, | |
4824 | struct match *match, int priority) | |
4825 | { | |
4826 | struct ofputil_flow_mod fm; | |
4827 | int error; | |
4828 | ||
4829 | fm.match = *match; | |
4830 | fm.priority = priority; | |
4831 | fm.new_cookie = htonll(0); | |
4832 | fm.cookie = htonll(0); | |
4833 | fm.cookie_mask = htonll(0); | |
4834 | fm.modify_cookie = false; | |
4835 | fm.table_id = TBL_INTERNAL; | |
4836 | fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY; | |
4837 | fm.command = OFPFC_DELETE_STRICT; | |
4838 | ||
4839 | error = ofproto_flow_mod(&ofproto->up, &fm); | |
4840 | if (error) { | |
4841 | VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)", | |
4842 | ofperr_to_string(error)); | |
4843 | return error; | |
4844 | } | |
4845 | ||
4846 | return 0; | |
4847 | } | |
4848 | ||
abe529af | 4849 | const struct ofproto_class ofproto_dpif_class = { |
b0408fca | 4850 | init, |
abe529af BP |
4851 | enumerate_types, |
4852 | enumerate_names, | |
4853 | del, | |
0aeaabc8 | 4854 | port_open_type, |
acf60855 | 4855 | type_run, |
acf60855 | 4856 | type_wait, |
abe529af BP |
4857 | alloc, |
4858 | construct, | |
4859 | destruct, | |
4860 | dealloc, | |
4861 | run, | |
4862 | wait, | |
e79a6c83 | 4863 | NULL, /* get_memory_usage. */ |
1c030aa5 | 4864 | type_get_memory_usage, |
abe529af | 4865 | flush, |
6c1491fb BP |
4866 | get_features, |
4867 | get_tables, | |
abe529af BP |
4868 | port_alloc, |
4869 | port_construct, | |
4870 | port_destruct, | |
4871 | port_dealloc, | |
4872 | port_modified, | |
4873 | port_reconfigured, | |
4874 | port_query_by_name, | |
4875 | port_add, | |
4876 | port_del, | |
6527c598 | 4877 | port_get_stats, |
abe529af BP |
4878 | port_dump_start, |
4879 | port_dump_next, | |
4880 | port_dump_done, | |
4881 | port_poll, | |
4882 | port_poll_wait, | |
4883 | port_is_lacp_current, | |
0ab6decf | 4884 | NULL, /* rule_choose_table */ |
abe529af BP |
4885 | rule_alloc, |
4886 | rule_construct, | |
8037acb4 BP |
4887 | rule_insert, |
4888 | rule_delete, | |
abe529af BP |
4889 | rule_destruct, |
4890 | rule_dealloc, | |
abe529af BP |
4891 | rule_get_stats, |
4892 | rule_execute, | |
4893 | rule_modify_actions, | |
7257b535 | 4894 | set_frag_handling, |
abe529af BP |
4895 | packet_out, |
4896 | set_netflow, | |
4897 | get_netflow_ids, | |
4898 | set_sflow, | |
29089a54 | 4899 | set_ipfix, |
abe529af | 4900 | set_cfm, |
9a9e3786 | 4901 | get_cfm_status, |
ccc09689 EJ |
4902 | set_bfd, |
4903 | get_bfd_status, | |
21f7563c JP |
4904 | set_stp, |
4905 | get_stp_status, | |
4906 | set_stp_port, | |
4907 | get_stp_port_status, | |
fd28ce3a | 4908 | get_stp_port_stats, |
8b36f51e | 4909 | set_queues, |
abe529af BP |
4910 | bundle_set, |
4911 | bundle_remove, | |
ec7ceaed EJ |
4912 | mirror_set__, |
4913 | mirror_get_stats__, | |
abe529af BP |
4914 | set_flood_vlans, |
4915 | is_mirror_output_bundle, | |
8402c74b | 4916 | forward_bpdu_changed, |
c4069512 | 4917 | set_mac_table_config, |
52a90c29 | 4918 | set_realdev, |
9cae45dc JR |
4919 | NULL, /* meter_get_features */ |
4920 | NULL, /* meter_set */ | |
4921 | NULL, /* meter_get */ | |
4922 | NULL, /* meter_del */ | |
00430a3f SH |
4923 | group_alloc, /* group_alloc */ |
4924 | group_construct, /* group_construct */ | |
4925 | group_destruct, /* group_destruct */ | |
4926 | group_dealloc, /* group_dealloc */ | |
4927 | group_modify, /* group_modify */ | |
4928 | group_get_stats, /* group_get_stats */ | |
abe529af | 4929 | }; |