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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" |
bae473fe | 56 | #include "ofproto-dpif-sflow.h" |
e1ec7dd4 | 57 | #include "ofproto-dpif-upcall.h" |
9583bc14 | 58 | #include "ofproto-dpif-xlate.h" |
abe529af | 59 | #include "poll-loop.h" |
f23d157c | 60 | #include "seq.h" |
0d085684 | 61 | #include "simap.h" |
27022416 | 62 | #include "smap.h" |
abe529af | 63 | #include "timer.h" |
b9ad7294 | 64 | #include "tunnel.h" |
6c1491fb | 65 | #include "unaligned.h" |
abe529af BP |
66 | #include "unixctl.h" |
67 | #include "vlan-bitmap.h" | |
68 | #include "vlog.h" | |
69 | ||
70 | VLOG_DEFINE_THIS_MODULE(ofproto_dpif); | |
71 | ||
abe529af | 72 | COVERAGE_DEFINE(ofproto_dpif_expired); |
ada3a58d | 73 | COVERAGE_DEFINE(packet_in_overflow); |
abe529af | 74 | |
46c88433 EJ |
75 | /* Number of implemented OpenFlow tables. */ |
76 | enum { N_TABLES = 255 }; | |
77 | enum { TBL_INTERNAL = N_TABLES - 1 }; /* Used for internal hidden rules. */ | |
78 | BUILD_ASSERT_DECL(N_TABLES >= 2 && N_TABLES <= 255); | |
79 | ||
a088a1ff | 80 | struct flow_miss; |
abe529af | 81 | |
70742c7f EJ |
82 | struct rule_dpif { |
83 | struct rule up; | |
84 | ||
85 | /* These statistics: | |
86 | * | |
e79a6c83 EJ |
87 | * - Do include packets and bytes from datapath flows which have not |
88 | * recently been processed by a revalidator. */ | |
70742c7f | 89 | struct ovs_mutex stats_mutex; |
1a4ec18d | 90 | struct dpif_flow_stats stats OVS_GUARDED; |
70742c7f EJ |
91 | }; |
92 | ||
dc437090 JR |
93 | static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes, |
94 | long long int *used); | |
70742c7f | 95 | static struct rule_dpif *rule_dpif_cast(const struct rule *); |
e79a6c83 | 96 | static void rule_expire(struct rule_dpif *); |
b0f7b9b5 | 97 | |
00430a3f SH |
98 | struct group_dpif { |
99 | struct ofgroup up; | |
100 | ||
101 | /* These statistics: | |
102 | * | |
e79a6c83 EJ |
103 | * - Do include packets and bytes from datapath flows which have not |
104 | * recently been processed by a revalidator. */ | |
00430a3f SH |
105 | struct ovs_mutex stats_mutex; |
106 | uint64_t packet_count OVS_GUARDED; /* Number of packets received. */ | |
107 | uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */ | |
108 | struct bucket_counter *bucket_stats OVS_GUARDED; /* Bucket statistics. */ | |
109 | }; | |
110 | ||
46c88433 EJ |
111 | struct ofbundle { |
112 | struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */ | |
113 | struct ofproto_dpif *ofproto; /* Owning ofproto. */ | |
114 | void *aux; /* Key supplied by ofproto's client. */ | |
115 | char *name; /* Identifier for log messages. */ | |
116 | ||
117 | /* Configuration. */ | |
118 | struct list ports; /* Contains "struct ofport"s. */ | |
119 | enum port_vlan_mode vlan_mode; /* VLAN mode */ | |
120 | int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */ | |
121 | unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1. | |
122 | * NULL if all VLANs are trunked. */ | |
123 | struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */ | |
124 | struct bond *bond; /* Nonnull iff more than one port. */ | |
125 | bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */ | |
126 | ||
127 | /* Status. */ | |
128 | bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */ | |
129 | }; | |
130 | ||
abe529af | 131 | static void bundle_remove(struct ofport *); |
7bde8dd8 | 132 | static void bundle_update(struct ofbundle *); |
abe529af BP |
133 | static void bundle_destroy(struct ofbundle *); |
134 | static void bundle_del_port(struct ofport_dpif *); | |
135 | static void bundle_run(struct ofbundle *); | |
136 | static void bundle_wait(struct ofbundle *); | |
33158a18 | 137 | |
21f7563c JP |
138 | static void stp_run(struct ofproto_dpif *ofproto); |
139 | static void stp_wait(struct ofproto_dpif *ofproto); | |
851bf71d EJ |
140 | static int set_stp_port(struct ofport *, |
141 | const struct ofproto_port_stp_settings *); | |
21f7563c | 142 | |
46c88433 EJ |
143 | struct ofport_dpif { |
144 | struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */ | |
145 | struct ofport up; | |
146 | ||
147 | odp_port_t odp_port; | |
148 | struct ofbundle *bundle; /* Bundle that contains this port, if any. */ | |
149 | struct list bundle_node; /* In struct ofbundle's "ports" list. */ | |
150 | struct cfm *cfm; /* Connectivity Fault Management, if any. */ | |
151 | struct bfd *bfd; /* BFD, if any. */ | |
46c88433 EJ |
152 | bool may_enable; /* May be enabled in bonds. */ |
153 | bool is_tunnel; /* This port is a tunnel. */ | |
a6363cfd | 154 | bool is_layer3; /* This is a layer 3 port. */ |
46c88433 EJ |
155 | long long int carrier_seq; /* Carrier status changes. */ |
156 | struct ofport_dpif *peer; /* Peer if patch port. */ | |
157 | ||
158 | /* Spanning tree. */ | |
159 | struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */ | |
160 | enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */ | |
161 | long long int stp_state_entered; | |
162 | ||
55954f6e EJ |
163 | /* Queue to DSCP mapping. */ |
164 | struct ofproto_port_queue *qdscp; | |
165 | size_t n_qdscp; | |
46c88433 EJ |
166 | |
167 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
168 | * | |
169 | * This is deprecated. It is only for compatibility with broken device | |
170 | * drivers in old versions of Linux that do not properly support VLANs when | |
171 | * VLAN devices are not used. When broken device drivers are no longer in | |
172 | * widespread use, we will delete these interfaces. */ | |
173 | ofp_port_t realdev_ofp_port; | |
174 | int vlandev_vid; | |
175 | }; | |
176 | ||
52a90c29 BP |
177 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
178 | * | |
179 | * This is deprecated. It is only for compatibility with broken device drivers | |
180 | * in old versions of Linux that do not properly support VLANs when VLAN | |
181 | * devices are not used. When broken device drivers are no longer in | |
182 | * widespread use, we will delete these interfaces. */ | |
183 | struct vlan_splinter { | |
184 | struct hmap_node realdev_vid_node; | |
185 | struct hmap_node vlandev_node; | |
4e022ec0 AW |
186 | ofp_port_t realdev_ofp_port; |
187 | ofp_port_t vlandev_ofp_port; | |
52a90c29 BP |
188 | int vid; |
189 | }; | |
190 | ||
52a90c29 | 191 | static void vsp_remove(struct ofport_dpif *); |
4e022ec0 | 192 | static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid); |
52a90c29 | 193 | |
46c88433 EJ |
194 | static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *, |
195 | ofp_port_t); | |
196 | ||
4e022ec0 | 197 | static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *, |
46c88433 | 198 | odp_port_t); |
e1b1d06a | 199 | |
abe529af BP |
200 | static struct ofport_dpif * |
201 | ofport_dpif_cast(const struct ofport *ofport) | |
202 | { | |
abe529af BP |
203 | return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL; |
204 | } | |
205 | ||
206 | static void port_run(struct ofport_dpif *); | |
8aee94b6 | 207 | static int set_bfd(struct ofport *, const struct smap *); |
a5610457 | 208 | static int set_cfm(struct ofport *, const struct cfm_settings *); |
6cbbf4fa | 209 | static void ofport_update_peer(struct ofport_dpif *); |
abe529af | 210 | |
7ee20df1 BP |
211 | struct dpif_completion { |
212 | struct list list_node; | |
213 | struct ofoperation *op; | |
214 | }; | |
215 | ||
e79a6c83 EJ |
216 | /* Reasons that we might need to revalidate every datapath flow, and |
217 | * corresponding coverage counters. | |
cdc3ab65 EJ |
218 | * |
219 | * A value of 0 means that there is no need to revalidate. | |
220 | * | |
221 | * It would be nice to have some cleaner way to integrate with coverage | |
222 | * counters, but with only a few reasons I guess this is good enough for | |
223 | * now. */ | |
224 | enum revalidate_reason { | |
225 | REV_RECONFIGURE = 1, /* Switch configuration changed. */ | |
226 | REV_STP, /* Spanning tree protocol port status change. */ | |
4a1b8f30 | 227 | REV_BOND, /* Bonding changed. */ |
cdc3ab65 EJ |
228 | REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/ |
229 | REV_FLOW_TABLE, /* Flow table changed. */ | |
30618594 | 230 | REV_MAC_LEARNING, /* Mac learning changed. */ |
cdc3ab65 | 231 | }; |
3c4a309c BP |
232 | COVERAGE_DEFINE(rev_reconfigure); |
233 | COVERAGE_DEFINE(rev_stp); | |
4a1b8f30 | 234 | COVERAGE_DEFINE(rev_bond); |
3c4a309c BP |
235 | COVERAGE_DEFINE(rev_port_toggled); |
236 | COVERAGE_DEFINE(rev_flow_table); | |
30618594 | 237 | COVERAGE_DEFINE(rev_mac_learning); |
3c4a309c | 238 | |
cdc3ab65 EJ |
239 | /* All datapaths of a given type share a single dpif backer instance. */ |
240 | struct dpif_backer { | |
241 | char *type; | |
242 | int refcount; | |
243 | struct dpif *dpif; | |
e1ec7dd4 | 244 | struct udpif *udpif; |
8449c4d6 EJ |
245 | |
246 | struct ovs_rwlock odp_to_ofport_lock; | |
390eadaa | 247 | struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */ |
cdc3ab65 EJ |
248 | |
249 | struct simap tnl_backers; /* Set of dpif ports backing tunnels. */ | |
250 | ||
e79a6c83 | 251 | enum revalidate_reason need_revalidate; /* Revalidate all flows. */ |
cdc3ab65 | 252 | |
cdc3ab65 | 253 | bool recv_set_enable; /* Enables or disables receiving packets. */ |
4b97b70d BP |
254 | |
255 | /* True if the datapath supports variable-length | |
256 | * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. | |
257 | * False if the datapath supports only 8-byte (or shorter) userdata. */ | |
258 | bool variable_length_userdata; | |
8bfd0fda BP |
259 | |
260 | /* Maximum number of MPLS label stack entries that the datapath supports | |
261 | * in a match */ | |
262 | size_t max_mpls_depth; | |
cdc3ab65 EJ |
263 | }; |
264 | ||
acf60855 JP |
265 | /* All existing ofproto_backer instances, indexed by ofproto->up.type. */ |
266 | static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers); | |
267 | ||
46c88433 EJ |
268 | struct ofproto_dpif { |
269 | struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */ | |
270 | struct ofproto up; | |
271 | struct dpif_backer *backer; | |
272 | ||
e79a6c83 EJ |
273 | uint64_t dump_seq; /* Last read of udpif_dump_seq(). */ |
274 | ||
46c88433 EJ |
275 | /* Special OpenFlow rules. */ |
276 | struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */ | |
277 | struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */ | |
278 | struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */ | |
279 | ||
280 | /* Bridging. */ | |
281 | struct netflow *netflow; | |
282 | struct dpif_sflow *sflow; | |
283 | struct dpif_ipfix *ipfix; | |
284 | struct hmap bundles; /* Contains "struct ofbundle"s. */ | |
285 | struct mac_learning *ml; | |
286 | bool has_bonded_bundles; | |
e2d13c43 | 287 | bool lacp_enabled; |
46c88433 EJ |
288 | struct mbridge *mbridge; |
289 | ||
0da3c61b AW |
290 | struct ovs_mutex stats_mutex; |
291 | struct netdev_stats stats OVS_GUARDED; /* To account packets generated and | |
292 | * consumed in userspace. */ | |
46c88433 EJ |
293 | |
294 | /* Spanning tree. */ | |
295 | struct stp *stp; | |
296 | long long int stp_last_tick; | |
297 | ||
298 | /* VLAN splinters. */ | |
13501305 EJ |
299 | struct ovs_mutex vsp_mutex; |
300 | struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */ | |
301 | struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */ | |
46c88433 EJ |
302 | |
303 | /* Ports. */ | |
304 | struct sset ports; /* Set of standard port names. */ | |
305 | struct sset ghost_ports; /* Ports with no datapath port. */ | |
306 | struct sset port_poll_set; /* Queued names for port_poll() reply. */ | |
307 | int port_poll_errno; /* Last errno for port_poll() reply. */ | |
f23d157c | 308 | uint64_t change_seq; /* Connectivity status changes. */ |
46c88433 | 309 | |
3d9c5e58 | 310 | /* Work queues. */ |
05067881 | 311 | struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */ |
46c88433 EJ |
312 | }; |
313 | ||
b44a10b7 BP |
314 | /* All existing ofproto_dpif instances, indexed by ->up.name. */ |
315 | static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs); | |
316 | ||
abe529af BP |
317 | static void ofproto_dpif_unixctl_init(void); |
318 | ||
46c88433 EJ |
319 | static inline struct ofproto_dpif * |
320 | ofproto_dpif_cast(const struct ofproto *ofproto) | |
321 | { | |
322 | ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class); | |
323 | return CONTAINER_OF(ofproto, struct ofproto_dpif, up); | |
324 | } | |
325 | ||
8bfd0fda BP |
326 | size_t |
327 | ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif *ofproto) | |
328 | { | |
329 | return ofproto->backer->max_mpls_depth; | |
330 | } | |
331 | ||
46c88433 EJ |
332 | static struct ofport_dpif *get_ofp_port(const struct ofproto_dpif *ofproto, |
333 | ofp_port_t ofp_port); | |
ade6ad9c | 334 | static void ofproto_trace(struct ofproto_dpif *, const struct flow *, |
aee0979b BP |
335 | const struct ofpbuf *packet, |
336 | const struct ofpact[], size_t ofpacts_len, | |
337 | struct ds *); | |
46c88433 | 338 | |
abe529af BP |
339 | /* Global variables. */ |
340 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
acf60855 JP |
341 | |
342 | /* Initial mappings of port to bridge mappings. */ | |
343 | static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports); | |
46c88433 | 344 | |
1b63b91e BP |
345 | /* Executes 'fm'. The caller retains ownership of 'fm' and everything in |
346 | * it. */ | |
3d9c5e58 | 347 | void |
46c88433 EJ |
348 | ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto, |
349 | struct ofputil_flow_mod *fm) | |
350 | { | |
1b63b91e | 351 | ofproto_flow_mod(&ofproto->up, fm); |
46c88433 EJ |
352 | } |
353 | ||
d5ff77e2 YT |
354 | /* Appends 'pin' to the queue of "packet ins" to be sent to the controller. |
355 | * Takes ownership of 'pin' and pin->packet. */ | |
46c88433 EJ |
356 | void |
357 | ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto, | |
0fb7792a | 358 | struct ofproto_packet_in *pin) |
46c88433 | 359 | { |
05067881 | 360 | if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) { |
ada3a58d | 361 | COVERAGE_INC(packet_in_overflow); |
0fb7792a | 362 | free(CONST_CAST(void *, pin->up.packet)); |
ada3a58d | 363 | free(pin); |
ada3a58d | 364 | } |
46c88433 | 365 | } |
abe529af BP |
366 | \f |
367 | /* Factory functions. */ | |
368 | ||
b0408fca | 369 | static void |
acf60855 | 370 | init(const struct shash *iface_hints) |
b0408fca | 371 | { |
acf60855 JP |
372 | struct shash_node *node; |
373 | ||
374 | /* Make a local copy, since we don't own 'iface_hints' elements. */ | |
375 | SHASH_FOR_EACH(node, iface_hints) { | |
376 | const struct iface_hint *orig_hint = node->data; | |
377 | struct iface_hint *new_hint = xmalloc(sizeof *new_hint); | |
378 | ||
379 | new_hint->br_name = xstrdup(orig_hint->br_name); | |
380 | new_hint->br_type = xstrdup(orig_hint->br_type); | |
381 | new_hint->ofp_port = orig_hint->ofp_port; | |
382 | ||
383 | shash_add(&init_ofp_ports, node->name, new_hint); | |
384 | } | |
b0408fca JP |
385 | } |
386 | ||
abe529af BP |
387 | static void |
388 | enumerate_types(struct sset *types) | |
389 | { | |
390 | dp_enumerate_types(types); | |
391 | } | |
392 | ||
393 | static int | |
394 | enumerate_names(const char *type, struct sset *names) | |
395 | { | |
acf60855 JP |
396 | struct ofproto_dpif *ofproto; |
397 | ||
398 | sset_clear(names); | |
399 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
400 | if (strcmp(type, ofproto->up.type)) { | |
401 | continue; | |
402 | } | |
403 | sset_add(names, ofproto->up.name); | |
404 | } | |
405 | ||
406 | return 0; | |
abe529af BP |
407 | } |
408 | ||
409 | static int | |
410 | del(const char *type, const char *name) | |
411 | { | |
412 | struct dpif *dpif; | |
413 | int error; | |
414 | ||
415 | error = dpif_open(name, type, &dpif); | |
416 | if (!error) { | |
417 | error = dpif_delete(dpif); | |
418 | dpif_close(dpif); | |
419 | } | |
420 | return error; | |
421 | } | |
422 | \f | |
0aeaabc8 JP |
423 | static const char * |
424 | port_open_type(const char *datapath_type, const char *port_type) | |
425 | { | |
426 | return dpif_port_open_type(datapath_type, port_type); | |
427 | } | |
428 | ||
acf60855 JP |
429 | /* Type functions. */ |
430 | ||
36beb9be BP |
431 | static void process_dpif_port_changes(struct dpif_backer *); |
432 | static void process_dpif_all_ports_changed(struct dpif_backer *); | |
433 | static void process_dpif_port_change(struct dpif_backer *, | |
434 | const char *devname); | |
435 | static void process_dpif_port_error(struct dpif_backer *, int error); | |
436 | ||
476cb42a BP |
437 | static struct ofproto_dpif * |
438 | lookup_ofproto_dpif_by_port_name(const char *name) | |
439 | { | |
440 | struct ofproto_dpif *ofproto; | |
441 | ||
442 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
443 | if (sset_contains(&ofproto->ports, name)) { | |
444 | return ofproto; | |
445 | } | |
446 | } | |
447 | ||
448 | return NULL; | |
449 | } | |
450 | ||
acf60855 JP |
451 | static int |
452 | type_run(const char *type) | |
453 | { | |
454 | struct dpif_backer *backer; | |
acf60855 JP |
455 | |
456 | backer = shash_find_data(&all_dpif_backers, type); | |
457 | if (!backer) { | |
458 | /* This is not necessarily a problem, since backers are only | |
459 | * created on demand. */ | |
460 | return 0; | |
461 | } | |
462 | ||
463 | dpif_run(backer->dpif); | |
464 | ||
40358701 GS |
465 | /* If vswitchd started with other_config:flow_restore_wait set as "true", |
466 | * and the configuration has now changed to "false", enable receiving | |
467 | * packets from the datapath. */ | |
468 | if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) { | |
36beb9be BP |
469 | int error; |
470 | ||
40358701 GS |
471 | backer->recv_set_enable = true; |
472 | ||
473 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); | |
474 | if (error) { | |
475 | VLOG_ERR("Failed to enable receiving packets in dpif."); | |
476 | return error; | |
477 | } | |
478 | dpif_flow_flush(backer->dpif); | |
479 | backer->need_revalidate = REV_RECONFIGURE; | |
480 | } | |
481 | ||
6567010f | 482 | if (backer->recv_set_enable) { |
e79a6c83 | 483 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
448a4b2f AW |
484 | } |
485 | ||
a1616063 | 486 | if (backer->need_revalidate) { |
2cc3c58e | 487 | struct ofproto_dpif *ofproto; |
a614d823 KM |
488 | struct simap_node *node; |
489 | struct simap tmp_backers; | |
490 | ||
491 | /* Handle tunnel garbage collection. */ | |
492 | simap_init(&tmp_backers); | |
493 | simap_swap(&backer->tnl_backers, &tmp_backers); | |
494 | ||
495 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
496 | struct ofport_dpif *iter; | |
497 | ||
498 | if (backer != ofproto->backer) { | |
499 | continue; | |
500 | } | |
501 | ||
502 | HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) { | |
3aa30359 | 503 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
a614d823 KM |
504 | const char *dp_port; |
505 | ||
42943cde | 506 | if (!iter->is_tunnel) { |
a614d823 KM |
507 | continue; |
508 | } | |
509 | ||
3aa30359 BP |
510 | dp_port = netdev_vport_get_dpif_port(iter->up.netdev, |
511 | namebuf, sizeof namebuf); | |
a614d823 KM |
512 | node = simap_find(&tmp_backers, dp_port); |
513 | if (node) { | |
514 | simap_put(&backer->tnl_backers, dp_port, node->data); | |
515 | simap_delete(&tmp_backers, node); | |
516 | node = simap_find(&backer->tnl_backers, dp_port); | |
517 | } else { | |
518 | node = simap_find(&backer->tnl_backers, dp_port); | |
519 | if (!node) { | |
4e022ec0 | 520 | odp_port_t odp_port = ODPP_NONE; |
a614d823 KM |
521 | |
522 | if (!dpif_port_add(backer->dpif, iter->up.netdev, | |
523 | &odp_port)) { | |
4e022ec0 AW |
524 | simap_put(&backer->tnl_backers, dp_port, |
525 | odp_to_u32(odp_port)); | |
a614d823 KM |
526 | node = simap_find(&backer->tnl_backers, dp_port); |
527 | } | |
528 | } | |
529 | } | |
530 | ||
4e022ec0 | 531 | iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE; |
42943cde EJ |
532 | if (tnl_port_reconfigure(iter, iter->up.netdev, |
533 | iter->odp_port)) { | |
a614d823 KM |
534 | backer->need_revalidate = REV_RECONFIGURE; |
535 | } | |
536 | } | |
537 | } | |
538 | ||
539 | SIMAP_FOR_EACH (node, &tmp_backers) { | |
4e022ec0 | 540 | dpif_port_del(backer->dpif, u32_to_odp(node->data)); |
a614d823 KM |
541 | } |
542 | simap_destroy(&tmp_backers); | |
2cc3c58e EJ |
543 | |
544 | switch (backer->need_revalidate) { | |
545 | case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break; | |
546 | case REV_STP: COVERAGE_INC(rev_stp); break; | |
4a1b8f30 | 547 | case REV_BOND: COVERAGE_INC(rev_bond); break; |
2cc3c58e EJ |
548 | case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break; |
549 | case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break; | |
30618594 | 550 | case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break; |
2cc3c58e | 551 | } |
f728af2e BP |
552 | backer->need_revalidate = 0; |
553 | ||
2cc3c58e | 554 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { |
a1616063 | 555 | struct ofport_dpif *ofport; |
a1616063 | 556 | struct ofbundle *bundle; |
2cc3c58e EJ |
557 | |
558 | if (ofproto->backer != backer) { | |
559 | continue; | |
560 | } | |
561 | ||
dc24a00f | 562 | ovs_rwlock_wrlock(&xlate_rwlock); |
89a8a7f0 | 563 | xlate_ofproto_set(ofproto, ofproto->up.name, |
ec89fc6f EJ |
564 | ofproto->backer->dpif, ofproto->miss_rule, |
565 | ofproto->no_packet_in_rule, ofproto->ml, | |
9d189a50 EJ |
566 | ofproto->stp, ofproto->mbridge, |
567 | ofproto->sflow, ofproto->ipfix, | |
ce3955be | 568 | ofproto->netflow, ofproto->up.frag_handling, |
a1616063 | 569 | ofproto->up.forward_bpdu, |
4b97b70d | 570 | connmgr_has_in_band(ofproto->up.connmgr), |
8bfd0fda BP |
571 | ofproto->backer->variable_length_userdata, |
572 | ofproto->backer->max_mpls_depth); | |
46c88433 | 573 | |
a1616063 EJ |
574 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { |
575 | xlate_bundle_set(ofproto, bundle, bundle->name, | |
576 | bundle->vlan_mode, bundle->vlan, | |
577 | bundle->trunks, bundle->use_priority_tags, | |
578 | bundle->bond, bundle->lacp, | |
579 | bundle->floodable); | |
580 | } | |
581 | ||
582 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
9d189a50 EJ |
583 | int stp_port = ofport->stp_port |
584 | ? stp_port_no(ofport->stp_port) | |
92cf817b | 585 | : -1; |
a1616063 EJ |
586 | xlate_ofport_set(ofproto, ofport->bundle, ofport, |
587 | ofport->up.ofp_port, ofport->odp_port, | |
588 | ofport->up.netdev, ofport->cfm, | |
9d189a50 | 589 | ofport->bfd, ofport->peer, stp_port, |
55954f6e | 590 | ofport->qdscp, ofport->n_qdscp, |
dd8cd4b4 SH |
591 | ofport->up.pp.config, ofport->up.pp.state, |
592 | ofport->is_tunnel, ofport->may_enable); | |
46c88433 | 593 | } |
dc24a00f | 594 | ovs_rwlock_unlock(&xlate_rwlock); |
2cc3c58e | 595 | } |
e1ec7dd4 EJ |
596 | |
597 | udpif_revalidate(backer->udpif); | |
2cc3c58e EJ |
598 | } |
599 | ||
36beb9be | 600 | process_dpif_port_changes(backer); |
acf60855 JP |
601 | |
602 | return 0; | |
603 | } | |
604 | ||
36beb9be BP |
605 | /* Check for and handle port changes in 'backer''s dpif. */ |
606 | static void | |
607 | process_dpif_port_changes(struct dpif_backer *backer) | |
608 | { | |
609 | for (;;) { | |
610 | char *devname; | |
611 | int error; | |
612 | ||
613 | error = dpif_port_poll(backer->dpif, &devname); | |
614 | switch (error) { | |
615 | case EAGAIN: | |
616 | return; | |
617 | ||
618 | case ENOBUFS: | |
619 | process_dpif_all_ports_changed(backer); | |
620 | break; | |
621 | ||
622 | case 0: | |
623 | process_dpif_port_change(backer, devname); | |
624 | free(devname); | |
625 | break; | |
626 | ||
627 | default: | |
628 | process_dpif_port_error(backer, error); | |
629 | break; | |
630 | } | |
631 | } | |
632 | } | |
633 | ||
634 | static void | |
635 | process_dpif_all_ports_changed(struct dpif_backer *backer) | |
636 | { | |
637 | struct ofproto_dpif *ofproto; | |
638 | struct dpif_port dpif_port; | |
639 | struct dpif_port_dump dump; | |
640 | struct sset devnames; | |
641 | const char *devname; | |
642 | ||
643 | sset_init(&devnames); | |
644 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
645 | if (ofproto->backer == backer) { | |
646 | struct ofport *ofport; | |
647 | ||
648 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
649 | sset_add(&devnames, netdev_get_name(ofport->netdev)); | |
650 | } | |
651 | } | |
652 | } | |
653 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) { | |
654 | sset_add(&devnames, dpif_port.name); | |
655 | } | |
656 | ||
657 | SSET_FOR_EACH (devname, &devnames) { | |
658 | process_dpif_port_change(backer, devname); | |
659 | } | |
660 | sset_destroy(&devnames); | |
661 | } | |
662 | ||
663 | static void | |
664 | process_dpif_port_change(struct dpif_backer *backer, const char *devname) | |
665 | { | |
666 | struct ofproto_dpif *ofproto; | |
667 | struct dpif_port port; | |
668 | ||
669 | /* Don't report on the datapath's device. */ | |
670 | if (!strcmp(devname, dpif_base_name(backer->dpif))) { | |
671 | return; | |
672 | } | |
673 | ||
674 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, | |
675 | &all_ofproto_dpifs) { | |
676 | if (simap_contains(&ofproto->backer->tnl_backers, devname)) { | |
677 | return; | |
678 | } | |
679 | } | |
680 | ||
681 | ofproto = lookup_ofproto_dpif_by_port_name(devname); | |
682 | if (dpif_port_query_by_name(backer->dpif, devname, &port)) { | |
683 | /* The port was removed. If we know the datapath, | |
684 | * report it through poll_set(). If we don't, it may be | |
685 | * notifying us of a removal we initiated, so ignore it. | |
686 | * If there's a pending ENOBUFS, let it stand, since | |
687 | * everything will be reevaluated. */ | |
688 | if (ofproto && ofproto->port_poll_errno != ENOBUFS) { | |
689 | sset_add(&ofproto->port_poll_set, devname); | |
690 | ofproto->port_poll_errno = 0; | |
691 | } | |
692 | } else if (!ofproto) { | |
693 | /* The port was added, but we don't know with which | |
694 | * ofproto we should associate it. Delete it. */ | |
695 | dpif_port_del(backer->dpif, port.port_no); | |
74cc3969 BP |
696 | } else { |
697 | struct ofport_dpif *ofport; | |
698 | ||
699 | ofport = ofport_dpif_cast(shash_find_data( | |
700 | &ofproto->up.port_by_name, devname)); | |
701 | if (ofport | |
702 | && ofport->odp_port != port.port_no | |
703 | && !odp_port_to_ofport(backer, port.port_no)) | |
704 | { | |
705 | /* 'ofport''s datapath port number has changed from | |
706 | * 'ofport->odp_port' to 'port.port_no'. Update our internal data | |
707 | * structures to match. */ | |
8449c4d6 | 708 | ovs_rwlock_wrlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
709 | hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node); |
710 | ofport->odp_port = port.port_no; | |
711 | hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node, | |
712 | hash_odp_port(port.port_no)); | |
8449c4d6 | 713 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
714 | backer->need_revalidate = REV_RECONFIGURE; |
715 | } | |
36beb9be BP |
716 | } |
717 | dpif_port_destroy(&port); | |
718 | } | |
719 | ||
720 | /* Propagate 'error' to all ofprotos based on 'backer'. */ | |
721 | static void | |
722 | process_dpif_port_error(struct dpif_backer *backer, int error) | |
723 | { | |
724 | struct ofproto_dpif *ofproto; | |
725 | ||
726 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
727 | if (ofproto->backer == backer) { | |
728 | sset_clear(&ofproto->port_poll_set); | |
729 | ofproto->port_poll_errno = error; | |
730 | } | |
731 | } | |
732 | } | |
733 | ||
acf60855 JP |
734 | static void |
735 | type_wait(const char *type) | |
736 | { | |
737 | struct dpif_backer *backer; | |
738 | ||
739 | backer = shash_find_data(&all_dpif_backers, type); | |
740 | if (!backer) { | |
741 | /* This is not necessarily a problem, since backers are only | |
742 | * created on demand. */ | |
743 | return; | |
744 | } | |
745 | ||
c0365fc8 | 746 | dpif_wait(backer->dpif); |
acf60855 JP |
747 | } |
748 | \f | |
abe529af BP |
749 | /* Basic life-cycle. */ |
750 | ||
c57b2226 BP |
751 | static int add_internal_flows(struct ofproto_dpif *); |
752 | ||
abe529af BP |
753 | static struct ofproto * |
754 | alloc(void) | |
755 | { | |
756 | struct ofproto_dpif *ofproto = xmalloc(sizeof *ofproto); | |
757 | return &ofproto->up; | |
758 | } | |
759 | ||
760 | static void | |
761 | dealloc(struct ofproto *ofproto_) | |
762 | { | |
763 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
764 | free(ofproto); | |
765 | } | |
766 | ||
acf60855 JP |
767 | static void |
768 | close_dpif_backer(struct dpif_backer *backer) | |
769 | { | |
cb22974d | 770 | ovs_assert(backer->refcount > 0); |
acf60855 JP |
771 | |
772 | if (--backer->refcount) { | |
773 | return; | |
774 | } | |
775 | ||
b395cf1f BP |
776 | udpif_destroy(backer->udpif); |
777 | ||
7d82ab2e | 778 | simap_destroy(&backer->tnl_backers); |
8449c4d6 | 779 | ovs_rwlock_destroy(&backer->odp_to_ofport_lock); |
acf60855 | 780 | hmap_destroy(&backer->odp_to_ofport_map); |
4f7cc3c7 | 781 | shash_find_and_delete(&all_dpif_backers, backer->type); |
acf60855 | 782 | free(backer->type); |
acf60855 JP |
783 | dpif_close(backer->dpif); |
784 | ||
785 | free(backer); | |
786 | } | |
787 | ||
788 | /* Datapath port slated for removal from datapath. */ | |
789 | struct odp_garbage { | |
790 | struct list list_node; | |
4e022ec0 | 791 | odp_port_t odp_port; |
acf60855 JP |
792 | }; |
793 | ||
4b97b70d | 794 | static bool check_variable_length_userdata(struct dpif_backer *backer); |
8bfd0fda | 795 | static size_t check_max_mpls_depth(struct dpif_backer *backer); |
4b97b70d | 796 | |
acf60855 JP |
797 | static int |
798 | open_dpif_backer(const char *type, struct dpif_backer **backerp) | |
799 | { | |
800 | struct dpif_backer *backer; | |
801 | struct dpif_port_dump port_dump; | |
802 | struct dpif_port port; | |
803 | struct shash_node *node; | |
804 | struct list garbage_list; | |
805 | struct odp_garbage *garbage, *next; | |
806 | struct sset names; | |
807 | char *backer_name; | |
808 | const char *name; | |
809 | int error; | |
810 | ||
811 | backer = shash_find_data(&all_dpif_backers, type); | |
812 | if (backer) { | |
813 | backer->refcount++; | |
814 | *backerp = backer; | |
815 | return 0; | |
816 | } | |
817 | ||
818 | backer_name = xasprintf("ovs-%s", type); | |
819 | ||
820 | /* Remove any existing datapaths, since we assume we're the only | |
821 | * userspace controlling the datapath. */ | |
822 | sset_init(&names); | |
823 | dp_enumerate_names(type, &names); | |
824 | SSET_FOR_EACH(name, &names) { | |
825 | struct dpif *old_dpif; | |
826 | ||
827 | /* Don't remove our backer if it exists. */ | |
828 | if (!strcmp(name, backer_name)) { | |
829 | continue; | |
830 | } | |
831 | ||
832 | if (dpif_open(name, type, &old_dpif)) { | |
833 | VLOG_WARN("couldn't open old datapath %s to remove it", name); | |
834 | } else { | |
835 | dpif_delete(old_dpif); | |
836 | dpif_close(old_dpif); | |
837 | } | |
838 | } | |
839 | sset_destroy(&names); | |
840 | ||
841 | backer = xmalloc(sizeof *backer); | |
842 | ||
843 | error = dpif_create_and_open(backer_name, type, &backer->dpif); | |
844 | free(backer_name); | |
845 | if (error) { | |
846 | VLOG_ERR("failed to open datapath of type %s: %s", type, | |
10a89ef0 | 847 | ovs_strerror(error)); |
4c1b1289 | 848 | free(backer); |
acf60855 JP |
849 | return error; |
850 | } | |
e1ec7dd4 | 851 | backer->udpif = udpif_create(backer, backer->dpif); |
acf60855 JP |
852 | |
853 | backer->type = xstrdup(type); | |
854 | backer->refcount = 1; | |
855 | hmap_init(&backer->odp_to_ofport_map); | |
8449c4d6 | 856 | ovs_rwlock_init(&backer->odp_to_ofport_lock); |
2cc3c58e | 857 | backer->need_revalidate = 0; |
7d82ab2e | 858 | simap_init(&backer->tnl_backers); |
40358701 | 859 | backer->recv_set_enable = !ofproto_get_flow_restore_wait(); |
acf60855 JP |
860 | *backerp = backer; |
861 | ||
40358701 GS |
862 | if (backer->recv_set_enable) { |
863 | dpif_flow_flush(backer->dpif); | |
864 | } | |
acf60855 JP |
865 | |
866 | /* Loop through the ports already on the datapath and remove any | |
867 | * that we don't need anymore. */ | |
868 | list_init(&garbage_list); | |
869 | dpif_port_dump_start(&port_dump, backer->dpif); | |
870 | while (dpif_port_dump_next(&port_dump, &port)) { | |
871 | node = shash_find(&init_ofp_ports, port.name); | |
872 | if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) { | |
873 | garbage = xmalloc(sizeof *garbage); | |
874 | garbage->odp_port = port.port_no; | |
875 | list_push_front(&garbage_list, &garbage->list_node); | |
876 | } | |
877 | } | |
878 | dpif_port_dump_done(&port_dump); | |
879 | ||
880 | LIST_FOR_EACH_SAFE (garbage, next, list_node, &garbage_list) { | |
881 | dpif_port_del(backer->dpif, garbage->odp_port); | |
882 | list_remove(&garbage->list_node); | |
883 | free(garbage); | |
884 | } | |
885 | ||
886 | shash_add(&all_dpif_backers, type, backer); | |
887 | ||
40358701 | 888 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); |
acf60855 JP |
889 | if (error) { |
890 | VLOG_ERR("failed to listen on datapath of type %s: %s", | |
10a89ef0 | 891 | type, ovs_strerror(error)); |
acf60855 JP |
892 | close_dpif_backer(backer); |
893 | return error; | |
894 | } | |
4b97b70d | 895 | backer->variable_length_userdata = check_variable_length_userdata(backer); |
8bfd0fda | 896 | backer->max_mpls_depth = check_max_mpls_depth(backer); |
6567010f EJ |
897 | |
898 | if (backer->recv_set_enable) { | |
e79a6c83 | 899 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
6567010f | 900 | } |
acf60855 JP |
901 | |
902 | return error; | |
903 | } | |
904 | ||
4b97b70d BP |
905 | /* Tests whether 'backer''s datapath supports variable-length |
906 | * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need | |
907 | * to disable some features on older datapaths that don't support this | |
908 | * feature. | |
909 | * | |
910 | * Returns false if 'backer' definitely does not support variable-length | |
911 | * userdata, true if it seems to support them or if at least the error we get | |
912 | * is ambiguous. */ | |
913 | static bool | |
914 | check_variable_length_userdata(struct dpif_backer *backer) | |
915 | { | |
916 | struct eth_header *eth; | |
917 | struct ofpbuf actions; | |
758c456d | 918 | struct dpif_execute execute; |
4b97b70d BP |
919 | struct ofpbuf packet; |
920 | size_t start; | |
921 | int error; | |
922 | ||
923 | /* Compose a userspace action that will cause an ERANGE error on older | |
924 | * datapaths that don't support variable-length userdata. | |
925 | * | |
926 | * We really test for using userdata longer than 8 bytes, but older | |
927 | * datapaths accepted these, silently truncating the userdata to 8 bytes. | |
928 | * The same older datapaths rejected userdata shorter than 8 bytes, so we | |
929 | * test for that instead as a proxy for longer userdata support. */ | |
930 | ofpbuf_init(&actions, 64); | |
931 | start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE); | |
932 | nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID, | |
1954e6bb | 933 | dpif_port_get_pid(backer->dpif, ODPP_NONE, 0)); |
4b97b70d BP |
934 | nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4); |
935 | nl_msg_end_nested(&actions, start); | |
936 | ||
758c456d | 937 | /* Compose a dummy ethernet packet. */ |
4b97b70d BP |
938 | ofpbuf_init(&packet, ETH_HEADER_LEN); |
939 | eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN); | |
940 | eth->eth_type = htons(0x1234); | |
941 | ||
758c456d | 942 | /* Execute the actions. On older datapaths this fails with ERANGE, on |
4b97b70d | 943 | * newer datapaths it succeeds. */ |
758c456d JR |
944 | execute.actions = actions.data; |
945 | execute.actions_len = actions.size; | |
946 | execute.packet = &packet; | |
947 | execute.md = PKT_METADATA_INITIALIZER(0); | |
948 | execute.needs_help = false; | |
949 | ||
950 | error = dpif_execute(backer->dpif, &execute); | |
4b97b70d BP |
951 | |
952 | ofpbuf_uninit(&packet); | |
4b97b70d BP |
953 | ofpbuf_uninit(&actions); |
954 | ||
955 | switch (error) { | |
956 | case 0: | |
957 | /* Variable-length userdata is supported. | |
958 | * | |
959 | * Purge received packets to avoid processing the nonsense packet we | |
960 | * sent to userspace, then report success. */ | |
961 | dpif_recv_purge(backer->dpif); | |
962 | return true; | |
963 | ||
964 | case ERANGE: | |
965 | /* Variable-length userdata is not supported. */ | |
966 | VLOG_WARN("%s: datapath does not support variable-length userdata " | |
967 | "feature (needs Linux 3.10+ or kernel module from OVS " | |
968 | "1..11+). The NXAST_SAMPLE action will be ignored.", | |
969 | dpif_name(backer->dpif)); | |
970 | return false; | |
971 | ||
972 | default: | |
973 | /* Something odd happened. We're not sure whether variable-length | |
974 | * userdata is supported. Default to "yes". */ | |
975 | VLOG_WARN("%s: variable-length userdata feature probe failed (%s)", | |
976 | dpif_name(backer->dpif), ovs_strerror(error)); | |
977 | return true; | |
978 | } | |
979 | } | |
980 | ||
8bfd0fda BP |
981 | /* Tests the MPLS label stack depth supported by 'backer''s datapath. |
982 | * | |
983 | * Returns the number of elements in a struct flow's mpls_lse field | |
984 | * if the datapath supports at least that many entries in an | |
985 | * MPLS label stack. | |
986 | * Otherwise returns the number of MPLS push actions supported by | |
987 | * the datapath. */ | |
988 | static size_t | |
989 | check_max_mpls_depth(struct dpif_backer *backer) | |
990 | { | |
991 | struct flow flow; | |
992 | int n; | |
993 | ||
994 | for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) { | |
995 | struct odputil_keybuf keybuf; | |
996 | struct ofpbuf key; | |
997 | int error; | |
998 | ||
999 | memset(&flow, 0, sizeof flow); | |
1000 | flow.dl_type = htons(ETH_TYPE_MPLS); | |
1001 | flow_set_mpls_bos(&flow, n, 1); | |
1002 | ||
1003 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
1004 | odp_flow_key_from_flow(&key, &flow, 0); | |
1005 | ||
1006 | error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_MODIFY, | |
1007 | key.data, key.size, NULL, 0, NULL, 0, NULL); | |
1008 | if (error && error != EEXIST) { | |
1009 | if (error != EINVAL) { | |
1010 | VLOG_WARN("%s: MPLS stack length feature probe failed (%s)", | |
1011 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1012 | } | |
1013 | break; | |
1014 | } | |
1015 | ||
1016 | error = dpif_flow_del(backer->dpif, key.data, key.size, NULL); | |
1017 | if (error) { | |
1018 | VLOG_WARN("%s: failed to delete MPLS feature probe flow", | |
1019 | dpif_name(backer->dpif)); | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | VLOG_INFO("%s: MPLS label stack length probed as %d", | |
1024 | dpif_name(backer->dpif), n); | |
1025 | return n; | |
1026 | } | |
1027 | ||
abe529af | 1028 | static int |
0f5f95a9 | 1029 | construct(struct ofproto *ofproto_) |
abe529af BP |
1030 | { |
1031 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 1032 | struct shash_node *node, *next; |
abe529af | 1033 | int error; |
abe529af | 1034 | |
acf60855 | 1035 | error = open_dpif_backer(ofproto->up.type, &ofproto->backer); |
abe529af | 1036 | if (error) { |
abe529af BP |
1037 | return error; |
1038 | } | |
1039 | ||
abe529af BP |
1040 | ofproto->netflow = NULL; |
1041 | ofproto->sflow = NULL; | |
29089a54 | 1042 | ofproto->ipfix = NULL; |
21f7563c | 1043 | ofproto->stp = NULL; |
e79a6c83 | 1044 | ofproto->dump_seq = 0; |
abe529af | 1045 | hmap_init(&ofproto->bundles); |
e764773c | 1046 | ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME); |
ec7ceaed | 1047 | ofproto->mbridge = mbridge_create(); |
abe529af | 1048 | ofproto->has_bonded_bundles = false; |
e2d13c43 | 1049 | ofproto->lacp_enabled = false; |
97ba2d36 | 1050 | ovs_mutex_init_adaptive(&ofproto->stats_mutex); |
834d6caf | 1051 | ovs_mutex_init(&ofproto->vsp_mutex); |
abe529af | 1052 | |
05067881 | 1053 | guarded_list_init(&ofproto->pins); |
ada3a58d | 1054 | |
abe529af BP |
1055 | ofproto_dpif_unixctl_init(); |
1056 | ||
52a90c29 BP |
1057 | hmap_init(&ofproto->vlandev_map); |
1058 | hmap_init(&ofproto->realdev_vid_map); | |
1059 | ||
acf60855 | 1060 | sset_init(&ofproto->ports); |
0a740f48 | 1061 | sset_init(&ofproto->ghost_ports); |
acf60855 JP |
1062 | sset_init(&ofproto->port_poll_set); |
1063 | ofproto->port_poll_errno = 0; | |
f23d157c | 1064 | ofproto->change_seq = 0; |
acf60855 JP |
1065 | |
1066 | SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) { | |
4f9e08a5 | 1067 | struct iface_hint *iface_hint = node->data; |
acf60855 JP |
1068 | |
1069 | if (!strcmp(iface_hint->br_name, ofproto->up.name)) { | |
1070 | /* Check if the datapath already has this port. */ | |
1071 | if (dpif_port_exists(ofproto->backer->dpif, node->name)) { | |
1072 | sset_add(&ofproto->ports, node->name); | |
1073 | } | |
1074 | ||
1075 | free(iface_hint->br_name); | |
1076 | free(iface_hint->br_type); | |
4f9e08a5 | 1077 | free(iface_hint); |
acf60855 JP |
1078 | shash_delete(&init_ofp_ports, node); |
1079 | } | |
1080 | } | |
e1b1d06a | 1081 | |
b44a10b7 BP |
1082 | hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node, |
1083 | hash_string(ofproto->up.name, 0)); | |
6527c598 | 1084 | memset(&ofproto->stats, 0, sizeof ofproto->stats); |
0f5f95a9 BP |
1085 | |
1086 | ofproto_init_tables(ofproto_, N_TABLES); | |
c57b2226 BP |
1087 | error = add_internal_flows(ofproto); |
1088 | ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY; | |
1089 | ||
1090 | return error; | |
1091 | } | |
1092 | ||
1093 | static int | |
1094 | add_internal_flow(struct ofproto_dpif *ofproto, int id, | |
f25d0cf3 | 1095 | const struct ofpbuf *ofpacts, struct rule_dpif **rulep) |
c57b2226 BP |
1096 | { |
1097 | struct ofputil_flow_mod fm; | |
6d328fa2 | 1098 | struct classifier *cls; |
c57b2226 BP |
1099 | int error; |
1100 | ||
81a76618 BP |
1101 | match_init_catchall(&fm.match); |
1102 | fm.priority = 0; | |
1103 | match_set_reg(&fm.match, 0, id); | |
623e1caf | 1104 | fm.new_cookie = htonll(0); |
c57b2226 BP |
1105 | fm.cookie = htonll(0); |
1106 | fm.cookie_mask = htonll(0); | |
23342857 | 1107 | fm.modify_cookie = false; |
c57b2226 BP |
1108 | fm.table_id = TBL_INTERNAL; |
1109 | fm.command = OFPFC_ADD; | |
1110 | fm.idle_timeout = 0; | |
1111 | fm.hard_timeout = 0; | |
1112 | fm.buffer_id = 0; | |
1113 | fm.out_port = 0; | |
1114 | fm.flags = 0; | |
f25d0cf3 BP |
1115 | fm.ofpacts = ofpacts->data; |
1116 | fm.ofpacts_len = ofpacts->size; | |
c57b2226 BP |
1117 | |
1118 | error = ofproto_flow_mod(&ofproto->up, &fm); | |
1119 | if (error) { | |
1120 | VLOG_ERR_RL(&rl, "failed to add internal flow %d (%s)", | |
1121 | id, ofperr_to_string(error)); | |
1122 | return error; | |
1123 | } | |
1124 | ||
6d328fa2 SH |
1125 | cls = &ofproto->up.tables[TBL_INTERNAL].cls; |
1126 | fat_rwlock_rdlock(&cls->rwlock); | |
1127 | *rulep = rule_dpif_cast(rule_from_cls_rule( | |
1128 | classifier_lookup(cls, &fm.match.flow, NULL))); | |
1129 | ovs_assert(*rulep != NULL); | |
1130 | fat_rwlock_unlock(&cls->rwlock); | |
0f5f95a9 | 1131 | |
abe529af BP |
1132 | return 0; |
1133 | } | |
1134 | ||
c57b2226 BP |
1135 | static int |
1136 | add_internal_flows(struct ofproto_dpif *ofproto) | |
1137 | { | |
f25d0cf3 BP |
1138 | struct ofpact_controller *controller; |
1139 | uint64_t ofpacts_stub[128 / 8]; | |
1140 | struct ofpbuf ofpacts; | |
c57b2226 BP |
1141 | int error; |
1142 | int id; | |
1143 | ||
f25d0cf3 | 1144 | ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub); |
c57b2226 BP |
1145 | id = 1; |
1146 | ||
f25d0cf3 BP |
1147 | controller = ofpact_put_CONTROLLER(&ofpacts); |
1148 | controller->max_len = UINT16_MAX; | |
1149 | controller->controller_id = 0; | |
1150 | controller->reason = OFPR_NO_MATCH; | |
1151 | ofpact_pad(&ofpacts); | |
1152 | ||
1153 | error = add_internal_flow(ofproto, id++, &ofpacts, &ofproto->miss_rule); | |
c57b2226 BP |
1154 | if (error) { |
1155 | return error; | |
1156 | } | |
1157 | ||
f25d0cf3 BP |
1158 | ofpbuf_clear(&ofpacts); |
1159 | error = add_internal_flow(ofproto, id++, &ofpacts, | |
c57b2226 | 1160 | &ofproto->no_packet_in_rule); |
7fd51d39 BP |
1161 | if (error) { |
1162 | return error; | |
1163 | } | |
1164 | ||
1165 | error = add_internal_flow(ofproto, id++, &ofpacts, | |
1166 | &ofproto->drop_frags_rule); | |
c57b2226 BP |
1167 | return error; |
1168 | } | |
1169 | ||
abe529af BP |
1170 | static void |
1171 | destruct(struct ofproto *ofproto_) | |
1172 | { | |
1173 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
7ee20df1 | 1174 | struct rule_dpif *rule, *next_rule; |
0fb7792a | 1175 | struct ofproto_packet_in *pin, *next_pin; |
d0918789 | 1176 | struct oftable *table; |
1b63b91e | 1177 | struct list pins; |
abe529af | 1178 | |
875b94ed | 1179 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
dc24a00f | 1180 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 1181 | xlate_remove_ofproto(ofproto); |
dc24a00f | 1182 | ovs_rwlock_unlock(&xlate_rwlock); |
46c88433 | 1183 | |
3f142f59 BP |
1184 | /* Ensure that the upcall processing threads have no remaining references |
1185 | * to the ofproto or anything in it. */ | |
1186 | udpif_synchronize(ofproto->backer->udpif); | |
1fe409d5 | 1187 | |
b44a10b7 | 1188 | hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node); |
7ee20df1 | 1189 | |
0697b5c3 BP |
1190 | OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) { |
1191 | struct cls_cursor cursor; | |
1192 | ||
06f81620 | 1193 | fat_rwlock_rdlock(&table->cls.rwlock); |
d0918789 | 1194 | cls_cursor_init(&cursor, &table->cls, NULL); |
06f81620 | 1195 | fat_rwlock_unlock(&table->cls.rwlock); |
0697b5c3 | 1196 | CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, up.cr, &cursor) { |
8b81d1ef | 1197 | ofproto_rule_delete(&ofproto->up, &rule->up); |
0697b5c3 | 1198 | } |
7ee20df1 BP |
1199 | } |
1200 | ||
05067881 BP |
1201 | guarded_list_pop_all(&ofproto->pins, &pins); |
1202 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) { | |
ada3a58d | 1203 | list_remove(&pin->list_node); |
0fb7792a | 1204 | free(CONST_CAST(void *, pin->up.packet)); |
ada3a58d EJ |
1205 | free(pin); |
1206 | } | |
05067881 | 1207 | guarded_list_destroy(&ofproto->pins); |
ada3a58d | 1208 | |
ec7ceaed | 1209 | mbridge_unref(ofproto->mbridge); |
abe529af | 1210 | |
8e407f27 | 1211 | netflow_unref(ofproto->netflow); |
9723bcce | 1212 | dpif_sflow_unref(ofproto->sflow); |
abe529af | 1213 | hmap_destroy(&ofproto->bundles); |
5d989517 | 1214 | mac_learning_unref(ofproto->ml); |
abe529af | 1215 | |
52a90c29 BP |
1216 | hmap_destroy(&ofproto->vlandev_map); |
1217 | hmap_destroy(&ofproto->realdev_vid_map); | |
1218 | ||
acf60855 | 1219 | sset_destroy(&ofproto->ports); |
0a740f48 | 1220 | sset_destroy(&ofproto->ghost_ports); |
acf60855 | 1221 | sset_destroy(&ofproto->port_poll_set); |
e1b1d06a | 1222 | |
0da3c61b | 1223 | ovs_mutex_destroy(&ofproto->stats_mutex); |
13501305 EJ |
1224 | ovs_mutex_destroy(&ofproto->vsp_mutex); |
1225 | ||
acf60855 | 1226 | close_dpif_backer(ofproto->backer); |
abe529af BP |
1227 | } |
1228 | ||
5fcc0d00 BP |
1229 | static int |
1230 | run(struct ofproto *ofproto_) | |
1231 | { | |
1232 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
e79a6c83 | 1233 | uint64_t new_seq, new_dump_seq; |
5fcc0d00 | 1234 | |
ec7ceaed EJ |
1235 | if (mbridge_need_revalidate(ofproto->mbridge)) { |
1236 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
509c0149 | 1237 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 1238 | mac_learning_flush(ofproto->ml); |
509c0149 | 1239 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
ec7ceaed EJ |
1240 | } |
1241 | ||
a6b7506d | 1242 | /* Do not perform any periodic activity required by 'ofproto' while |
40358701 | 1243 | * waiting for flow restore to complete. */ |
a6b7506d EJ |
1244 | if (!ofproto_get_flow_restore_wait()) { |
1245 | struct ofproto_packet_in *pin, *next_pin; | |
1246 | struct list pins; | |
40358701 | 1247 | |
a6b7506d EJ |
1248 | guarded_list_pop_all(&ofproto->pins, &pins); |
1249 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) { | |
1250 | connmgr_send_packet_in(ofproto->up.connmgr, pin); | |
1251 | list_remove(&pin->list_node); | |
1252 | free(CONST_CAST(void *, pin->up.packet)); | |
1253 | free(pin); | |
1254 | } | |
abe529af BP |
1255 | } |
1256 | ||
abe529af | 1257 | if (ofproto->netflow) { |
8bfaca5b | 1258 | netflow_run(ofproto->netflow); |
abe529af BP |
1259 | } |
1260 | if (ofproto->sflow) { | |
bae473fe | 1261 | dpif_sflow_run(ofproto->sflow); |
abe529af | 1262 | } |
978427a5 RL |
1263 | if (ofproto->ipfix) { |
1264 | dpif_ipfix_run(ofproto->ipfix); | |
1265 | } | |
abe529af | 1266 | |
f23d157c JS |
1267 | new_seq = seq_read(connectivity_seq_get()); |
1268 | if (ofproto->change_seq != new_seq) { | |
1269 | struct ofport_dpif *ofport; | |
1270 | ||
1271 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
1272 | port_run(ofport); | |
1273 | } | |
1274 | ||
1275 | ofproto->change_seq = new_seq; | |
abe529af | 1276 | } |
e2d13c43 JS |
1277 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1278 | struct ofbundle *bundle; | |
1279 | ||
1280 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1281 | bundle_run(bundle); | |
1282 | } | |
abe529af BP |
1283 | } |
1284 | ||
21f7563c | 1285 | stp_run(ofproto); |
509c0149 | 1286 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 EJ |
1287 | if (mac_learning_run(ofproto->ml)) { |
1288 | ofproto->backer->need_revalidate = REV_MAC_LEARNING; | |
1289 | } | |
509c0149 | 1290 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 1291 | |
e79a6c83 EJ |
1292 | new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif)); |
1293 | if (ofproto->dump_seq != new_dump_seq) { | |
1294 | struct rule *rule, *next_rule; | |
1295 | ||
1296 | /* We know stats are relatively fresh, so now is a good time to do some | |
1297 | * periodic work. */ | |
1298 | ofproto->dump_seq = new_dump_seq; | |
1299 | ||
1300 | /* Expire OpenFlow flows whose idle_timeout or hard_timeout | |
1301 | * has passed. */ | |
1302 | ovs_mutex_lock(&ofproto_mutex); | |
1303 | LIST_FOR_EACH_SAFE (rule, next_rule, expirable, | |
1304 | &ofproto->up.expirable) { | |
1305 | rule_expire(rule_dpif_cast(rule)); | |
1306 | } | |
1307 | ovs_mutex_unlock(&ofproto_mutex); | |
1308 | ||
1309 | /* All outstanding data in existing flows has been accounted, so it's a | |
1310 | * good time to do bond rebalancing. */ | |
1311 | if (ofproto->has_bonded_bundles) { | |
1312 | struct ofbundle *bundle; | |
1313 | ||
1314 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1315 | if (bundle->bond) { | |
1316 | bond_rebalance(bundle->bond); | |
1317 | } | |
1318 | } | |
6814e51f BP |
1319 | } |
1320 | } | |
1321 | ||
abe529af BP |
1322 | return 0; |
1323 | } | |
1324 | ||
1325 | static void | |
1326 | wait(struct ofproto *ofproto_) | |
1327 | { | |
1328 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
abe529af | 1329 | |
40358701 GS |
1330 | if (ofproto_get_flow_restore_wait()) { |
1331 | return; | |
1332 | } | |
1333 | ||
abe529af | 1334 | if (ofproto->sflow) { |
bae473fe | 1335 | dpif_sflow_wait(ofproto->sflow); |
abe529af | 1336 | } |
978427a5 RL |
1337 | if (ofproto->ipfix) { |
1338 | dpif_ipfix_wait(ofproto->ipfix); | |
1339 | } | |
e2d13c43 JS |
1340 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1341 | struct ofbundle *bundle; | |
1342 | ||
1343 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1344 | bundle_wait(bundle); | |
1345 | } | |
abe529af | 1346 | } |
6fca1ffb BP |
1347 | if (ofproto->netflow) { |
1348 | netflow_wait(ofproto->netflow); | |
1349 | } | |
509c0149 | 1350 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
1c313b88 | 1351 | mac_learning_wait(ofproto->ml); |
509c0149 | 1352 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
21f7563c | 1353 | stp_wait(ofproto); |
2cc3c58e | 1354 | if (ofproto->backer->need_revalidate) { |
abe529af BP |
1355 | /* Shouldn't happen, but if it does just go around again. */ |
1356 | VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()"); | |
1357 | poll_immediate_wake(); | |
abe529af | 1358 | } |
abe529af | 1359 | |
e79a6c83 | 1360 | seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq); |
0d085684 BP |
1361 | } |
1362 | ||
1c030aa5 EJ |
1363 | static void |
1364 | type_get_memory_usage(const char *type, struct simap *usage) | |
1365 | { | |
1366 | struct dpif_backer *backer; | |
1367 | ||
1368 | backer = shash_find_data(&all_dpif_backers, type); | |
1369 | if (backer) { | |
1370 | udpif_get_memory_usage(backer->udpif, usage); | |
1371 | } | |
1372 | } | |
1373 | ||
abe529af | 1374 | static void |
1b5b5071 | 1375 | flush(struct ofproto *ofproto_) |
abe529af | 1376 | { |
1b5b5071 AZ |
1377 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
1378 | struct dpif_backer *backer = ofproto->backer; | |
1379 | ||
1380 | if (backer) { | |
1381 | udpif_flush(backer->udpif); | |
1382 | } | |
abe529af BP |
1383 | } |
1384 | ||
6c1491fb BP |
1385 | static void |
1386 | get_features(struct ofproto *ofproto_ OVS_UNUSED, | |
9e1fd49b | 1387 | bool *arp_match_ip, enum ofputil_action_bitmap *actions) |
6c1491fb BP |
1388 | { |
1389 | *arp_match_ip = true; | |
9e1fd49b BP |
1390 | *actions = (OFPUTIL_A_OUTPUT | |
1391 | OFPUTIL_A_SET_VLAN_VID | | |
1392 | OFPUTIL_A_SET_VLAN_PCP | | |
1393 | OFPUTIL_A_STRIP_VLAN | | |
1394 | OFPUTIL_A_SET_DL_SRC | | |
1395 | OFPUTIL_A_SET_DL_DST | | |
1396 | OFPUTIL_A_SET_NW_SRC | | |
1397 | OFPUTIL_A_SET_NW_DST | | |
1398 | OFPUTIL_A_SET_NW_TOS | | |
1399 | OFPUTIL_A_SET_TP_SRC | | |
1400 | OFPUTIL_A_SET_TP_DST | | |
1401 | OFPUTIL_A_ENQUEUE); | |
6c1491fb BP |
1402 | } |
1403 | ||
1404 | static void | |
307975da | 1405 | get_tables(struct ofproto *ofproto_, struct ofp12_table_stats *ots) |
6c1491fb BP |
1406 | { |
1407 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
a8d9304d | 1408 | struct dpif_dp_stats s; |
7fd51d39 | 1409 | uint64_t n_miss, n_no_pkt_in, n_bytes, n_dropped_frags; |
7e741ffb | 1410 | uint64_t n_lookup; |
dc437090 | 1411 | long long int used; |
6c1491fb BP |
1412 | |
1413 | strcpy(ots->name, "classifier"); | |
1414 | ||
acf60855 | 1415 | dpif_get_dp_stats(ofproto->backer->dpif, &s); |
dc437090 JR |
1416 | rule_get_stats(&ofproto->miss_rule->up, &n_miss, &n_bytes, &used); |
1417 | rule_get_stats(&ofproto->no_packet_in_rule->up, &n_no_pkt_in, &n_bytes, | |
1418 | &used); | |
1419 | rule_get_stats(&ofproto->drop_frags_rule->up, &n_dropped_frags, &n_bytes, | |
1420 | &used); | |
7fd51d39 | 1421 | n_lookup = s.n_hit + s.n_missed - n_dropped_frags; |
7e741ffb JG |
1422 | ots->lookup_count = htonll(n_lookup); |
1423 | ots->matched_count = htonll(n_lookup - n_miss - n_no_pkt_in); | |
6c1491fb BP |
1424 | } |
1425 | ||
abe529af BP |
1426 | static struct ofport * |
1427 | port_alloc(void) | |
1428 | { | |
1429 | struct ofport_dpif *port = xmalloc(sizeof *port); | |
1430 | return &port->up; | |
1431 | } | |
1432 | ||
1433 | static void | |
1434 | port_dealloc(struct ofport *port_) | |
1435 | { | |
1436 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1437 | free(port); | |
1438 | } | |
1439 | ||
1440 | static int | |
1441 | port_construct(struct ofport *port_) | |
1442 | { | |
1443 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1444 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
b9ad7294 | 1445 | const struct netdev *netdev = port->up.netdev; |
3aa30359 | 1446 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
e1b1d06a JP |
1447 | struct dpif_port dpif_port; |
1448 | int error; | |
abe529af | 1449 | |
2cc3c58e | 1450 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
1451 | port->bundle = NULL; |
1452 | port->cfm = NULL; | |
ccc09689 | 1453 | port->bfd = NULL; |
d5ffa7f2 | 1454 | port->may_enable = true; |
21f7563c JP |
1455 | port->stp_port = NULL; |
1456 | port->stp_state = STP_DISABLED; | |
42943cde | 1457 | port->is_tunnel = false; |
6cbbf4fa | 1458 | port->peer = NULL; |
55954f6e EJ |
1459 | port->qdscp = NULL; |
1460 | port->n_qdscp = 0; | |
52a90c29 BP |
1461 | port->realdev_ofp_port = 0; |
1462 | port->vlandev_vid = 0; | |
b9ad7294 | 1463 | port->carrier_seq = netdev_get_carrier_resets(netdev); |
a6363cfd | 1464 | port->is_layer3 = netdev_vport_is_layer3(netdev); |
abe529af | 1465 | |
b9ad7294 | 1466 | if (netdev_vport_is_patch(netdev)) { |
743cea45 NM |
1467 | /* By bailing out here, we don't submit the port to the sFlow module |
1468 | * to be considered for counter polling export. This is correct | |
1469 | * because the patch port represents an interface that sFlow considers | |
1470 | * to be "internal" to the switch as a whole, and therefore not an | |
1471 | * candidate for counter polling. */ | |
4e022ec0 | 1472 | port->odp_port = ODPP_NONE; |
6cbbf4fa | 1473 | ofport_update_peer(port); |
0a740f48 EJ |
1474 | return 0; |
1475 | } | |
1476 | ||
acf60855 | 1477 | error = dpif_port_query_by_name(ofproto->backer->dpif, |
3aa30359 BP |
1478 | netdev_vport_get_dpif_port(netdev, namebuf, |
1479 | sizeof namebuf), | |
e1b1d06a JP |
1480 | &dpif_port); |
1481 | if (error) { | |
1482 | return error; | |
1483 | } | |
1484 | ||
1485 | port->odp_port = dpif_port.port_no; | |
1486 | ||
b9ad7294 | 1487 | if (netdev_get_tunnel_config(netdev)) { |
42943cde EJ |
1488 | tnl_port_add(port, port->up.netdev, port->odp_port); |
1489 | port->is_tunnel = true; | |
b9ad7294 EJ |
1490 | } else { |
1491 | /* Sanity-check that a mapping doesn't already exist. This | |
1492 | * shouldn't happen for non-tunnel ports. */ | |
1493 | if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) { | |
1494 | VLOG_ERR("port %s already has an OpenFlow port number", | |
1495 | dpif_port.name); | |
da78d43d | 1496 | dpif_port_destroy(&dpif_port); |
b9ad7294 EJ |
1497 | return EBUSY; |
1498 | } | |
e1b1d06a | 1499 | |
8449c4d6 | 1500 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1501 | hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node, |
f9c0c3ec | 1502 | hash_odp_port(port->odp_port)); |
8449c4d6 | 1503 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1504 | } |
da78d43d | 1505 | dpif_port_destroy(&dpif_port); |
e1b1d06a | 1506 | |
abe529af | 1507 | if (ofproto->sflow) { |
e1b1d06a | 1508 | dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port); |
abe529af BP |
1509 | } |
1510 | ||
1511 | return 0; | |
1512 | } | |
1513 | ||
1514 | static void | |
1515 | port_destruct(struct ofport *port_) | |
1516 | { | |
1517 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1518 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
02f8d646 | 1519 | const char *devname = netdev_get_name(port->up.netdev); |
3aa30359 BP |
1520 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
1521 | const char *dp_port_name; | |
abe529af | 1522 | |
7894e7da | 1523 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
dc24a00f | 1524 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 1525 | xlate_ofport_remove(port); |
dc24a00f | 1526 | ovs_rwlock_unlock(&xlate_rwlock); |
7894e7da | 1527 | |
3aa30359 BP |
1528 | dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf, |
1529 | sizeof namebuf); | |
a614d823 | 1530 | if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
acf60855 JP |
1531 | /* The underlying device is still there, so delete it. This |
1532 | * happens when the ofproto is being destroyed, since the caller | |
1533 | * assumes that removal of attached ports will happen as part of | |
1534 | * destruction. */ | |
42943cde | 1535 | if (!port->is_tunnel) { |
a614d823 KM |
1536 | dpif_port_del(ofproto->backer->dpif, port->odp_port); |
1537 | } | |
acf60855 JP |
1538 | } |
1539 | ||
6cbbf4fa EJ |
1540 | if (port->peer) { |
1541 | port->peer->peer = NULL; | |
1542 | port->peer = NULL; | |
1543 | } | |
1544 | ||
42943cde | 1545 | if (port->odp_port != ODPP_NONE && !port->is_tunnel) { |
8449c4d6 | 1546 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 | 1547 | hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node); |
8449c4d6 | 1548 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 EJ |
1549 | } |
1550 | ||
42943cde | 1551 | tnl_port_del(port); |
02f8d646 | 1552 | sset_find_and_delete(&ofproto->ports, devname); |
0a740f48 | 1553 | sset_find_and_delete(&ofproto->ghost_ports, devname); |
abe529af | 1554 | bundle_remove(port_); |
a5610457 | 1555 | set_cfm(port_, NULL); |
8aee94b6 | 1556 | set_bfd(port_, NULL); |
0c0c32d8 BP |
1557 | if (port->stp_port) { |
1558 | stp_port_disable(port->stp_port); | |
1559 | } | |
abe529af | 1560 | if (ofproto->sflow) { |
bae473fe | 1561 | dpif_sflow_del_port(ofproto->sflow, port->odp_port); |
abe529af | 1562 | } |
8b36f51e | 1563 | |
55954f6e | 1564 | free(port->qdscp); |
abe529af BP |
1565 | } |
1566 | ||
1567 | static void | |
1568 | port_modified(struct ofport *port_) | |
1569 | { | |
1570 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1571 | ||
1572 | if (port->bundle && port->bundle->bond) { | |
1573 | bond_slave_set_netdev(port->bundle->bond, port, port->up.netdev); | |
1574 | } | |
9d46b444 EJ |
1575 | |
1576 | if (port->cfm) { | |
1577 | cfm_set_netdev(port->cfm, port->up.netdev); | |
1578 | } | |
f1e78bbd | 1579 | |
c1c4e8c7 AW |
1580 | if (port->bfd) { |
1581 | bfd_set_netdev(port->bfd, port->up.netdev); | |
1582 | } | |
1583 | ||
635c5db9 AW |
1584 | ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm, |
1585 | port->up.pp.hw_addr); | |
1586 | ||
42943cde EJ |
1587 | if (port->is_tunnel && tnl_port_reconfigure(port, port->up.netdev, |
1588 | port->odp_port)) { | |
7894e7da EJ |
1589 | ofproto_dpif_cast(port->up.ofproto)->backer->need_revalidate = |
1590 | REV_RECONFIGURE; | |
f1e78bbd | 1591 | } |
6cbbf4fa EJ |
1592 | |
1593 | ofport_update_peer(port); | |
abe529af BP |
1594 | } |
1595 | ||
1596 | static void | |
9e1fd49b | 1597 | port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config) |
abe529af BP |
1598 | { |
1599 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1600 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
9e1fd49b | 1601 | enum ofputil_port_config changed = old_config ^ port->up.pp.config; |
abe529af | 1602 | |
9e1fd49b | 1603 | if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP | |
c57b2226 BP |
1604 | OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD | |
1605 | OFPUTIL_PC_NO_PACKET_IN)) { | |
2cc3c58e | 1606 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7bde8dd8 | 1607 | |
9e1fd49b | 1608 | if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) { |
7bde8dd8 JP |
1609 | bundle_update(port->bundle); |
1610 | } | |
abe529af BP |
1611 | } |
1612 | } | |
1613 | ||
1614 | static int | |
1615 | set_sflow(struct ofproto *ofproto_, | |
1616 | const struct ofproto_sflow_options *sflow_options) | |
1617 | { | |
1618 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
bae473fe | 1619 | struct dpif_sflow *ds = ofproto->sflow; |
6ff686f2 | 1620 | |
abe529af | 1621 | if (sflow_options) { |
bae473fe | 1622 | if (!ds) { |
abe529af BP |
1623 | struct ofport_dpif *ofport; |
1624 | ||
4213f19d | 1625 | ds = ofproto->sflow = dpif_sflow_create(); |
abe529af | 1626 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { |
e1b1d06a | 1627 | dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port); |
abe529af | 1628 | } |
2cc3c58e | 1629 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 1630 | } |
bae473fe | 1631 | dpif_sflow_set_options(ds, sflow_options); |
abe529af | 1632 | } else { |
6ff686f2 | 1633 | if (ds) { |
9723bcce | 1634 | dpif_sflow_unref(ds); |
2cc3c58e | 1635 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6ff686f2 PS |
1636 | ofproto->sflow = NULL; |
1637 | } | |
abe529af BP |
1638 | } |
1639 | return 0; | |
1640 | } | |
1641 | ||
29089a54 RL |
1642 | static int |
1643 | set_ipfix( | |
1644 | struct ofproto *ofproto_, | |
1645 | const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options, | |
1646 | const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options, | |
1647 | size_t n_flow_exporters_options) | |
1648 | { | |
1649 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1650 | struct dpif_ipfix *di = ofproto->ipfix; | |
978427a5 | 1651 | bool has_options = bridge_exporter_options || flow_exporters_options; |
29089a54 | 1652 | |
978427a5 RL |
1653 | if (has_options && !di) { |
1654 | di = ofproto->ipfix = dpif_ipfix_create(); | |
1655 | } | |
1656 | ||
1657 | if (di) { | |
1658 | /* Call set_options in any case to cleanly flush the flow | |
1659 | * caches in the last exporters that are to be destroyed. */ | |
29089a54 RL |
1660 | dpif_ipfix_set_options( |
1661 | di, bridge_exporter_options, flow_exporters_options, | |
1662 | n_flow_exporters_options); | |
978427a5 RL |
1663 | |
1664 | if (!has_options) { | |
d857c8aa | 1665 | dpif_ipfix_unref(di); |
29089a54 RL |
1666 | ofproto->ipfix = NULL; |
1667 | } | |
1668 | } | |
978427a5 | 1669 | |
29089a54 RL |
1670 | return 0; |
1671 | } | |
1672 | ||
abe529af | 1673 | static int |
a5610457 | 1674 | set_cfm(struct ofport *ofport_, const struct cfm_settings *s) |
abe529af BP |
1675 | { |
1676 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
635c5db9 | 1677 | int error = 0; |
abe529af | 1678 | |
635c5db9 | 1679 | if (s) { |
abe529af | 1680 | if (!ofport->cfm) { |
8c977421 EJ |
1681 | struct ofproto_dpif *ofproto; |
1682 | ||
1683 | ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2cc3c58e | 1684 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
90967e95 | 1685 | ofport->cfm = cfm_create(ofport->up.netdev); |
abe529af BP |
1686 | } |
1687 | ||
a5610457 | 1688 | if (cfm_configure(ofport->cfm, s)) { |
635c5db9 AW |
1689 | error = 0; |
1690 | goto out; | |
abe529af BP |
1691 | } |
1692 | ||
1693 | error = EINVAL; | |
1694 | } | |
8e9a73fa | 1695 | cfm_unref(ofport->cfm); |
abe529af | 1696 | ofport->cfm = NULL; |
635c5db9 AW |
1697 | out: |
1698 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, | |
1699 | ofport->up.pp.hw_addr); | |
abe529af BP |
1700 | return error; |
1701 | } | |
1702 | ||
9a9e3786 BP |
1703 | static bool |
1704 | get_cfm_status(const struct ofport *ofport_, | |
1705 | struct ofproto_cfm_status *status) | |
1de11730 EJ |
1706 | { |
1707 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1708 | ||
1709 | if (ofport->cfm) { | |
9a9e3786 | 1710 | status->faults = cfm_get_fault(ofport->cfm); |
76c4290d | 1711 | status->flap_count = cfm_get_flap_count(ofport->cfm); |
9a9e3786 BP |
1712 | status->remote_opstate = cfm_get_opup(ofport->cfm); |
1713 | status->health = cfm_get_health(ofport->cfm); | |
1714 | cfm_get_remote_mpids(ofport->cfm, &status->rmps, &status->n_rmps); | |
1715 | return true; | |
1de11730 | 1716 | } else { |
9a9e3786 | 1717 | return false; |
1de11730 EJ |
1718 | } |
1719 | } | |
ccc09689 EJ |
1720 | |
1721 | static int | |
1722 | set_bfd(struct ofport *ofport_, const struct smap *cfg) | |
1723 | { | |
1724 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
1725 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1726 | struct bfd *old; | |
1727 | ||
1728 | old = ofport->bfd; | |
c1c4e8c7 AW |
1729 | ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev), |
1730 | cfg, ofport->up.netdev); | |
ccc09689 EJ |
1731 | if (ofport->bfd != old) { |
1732 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
1733 | } | |
635c5db9 AW |
1734 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, |
1735 | ofport->up.pp.hw_addr); | |
ccc09689 EJ |
1736 | return 0; |
1737 | } | |
1738 | ||
1739 | static int | |
1740 | get_bfd_status(struct ofport *ofport_, struct smap *smap) | |
1741 | { | |
1742 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1743 | ||
1744 | if (ofport->bfd) { | |
1745 | bfd_get_status(ofport->bfd, smap); | |
1746 | return 0; | |
1747 | } else { | |
1748 | return ENOENT; | |
1749 | } | |
1750 | } | |
abe529af | 1751 | \f |
21f7563c JP |
1752 | /* Spanning Tree. */ |
1753 | ||
1754 | static void | |
1755 | send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_) | |
1756 | { | |
1757 | struct ofproto_dpif *ofproto = ofproto_; | |
1758 | struct stp_port *sp = stp_get_port(ofproto->stp, port_num); | |
1759 | struct ofport_dpif *ofport; | |
1760 | ||
1761 | ofport = stp_port_get_aux(sp); | |
1762 | if (!ofport) { | |
1763 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d", | |
1764 | ofproto->up.name, port_num); | |
1765 | } else { | |
1766 | struct eth_header *eth = pkt->l2; | |
1767 | ||
1768 | netdev_get_etheraddr(ofport->up.netdev, eth->eth_src); | |
1769 | if (eth_addr_is_zero(eth->eth_src)) { | |
1770 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d " | |
1771 | "with unknown MAC", ofproto->up.name, port_num); | |
1772 | } else { | |
91d6cd12 | 1773 | ofproto_dpif_send_packet(ofport, pkt); |
21f7563c JP |
1774 | } |
1775 | } | |
1776 | ofpbuf_delete(pkt); | |
1777 | } | |
1778 | ||
1779 | /* Configures STP on 'ofproto_' using the settings defined in 's'. */ | |
1780 | static int | |
1781 | set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s) | |
1782 | { | |
1783 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1784 | ||
1785 | /* Only revalidate flows if the configuration changed. */ | |
1786 | if (!s != !ofproto->stp) { | |
2cc3c58e | 1787 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
21f7563c JP |
1788 | } |
1789 | ||
1790 | if (s) { | |
1791 | if (!ofproto->stp) { | |
1792 | ofproto->stp = stp_create(ofproto_->name, s->system_id, | |
1793 | send_bpdu_cb, ofproto); | |
1794 | ofproto->stp_last_tick = time_msec(); | |
1795 | } | |
1796 | ||
1797 | stp_set_bridge_id(ofproto->stp, s->system_id); | |
1798 | stp_set_bridge_priority(ofproto->stp, s->priority); | |
1799 | stp_set_hello_time(ofproto->stp, s->hello_time); | |
1800 | stp_set_max_age(ofproto->stp, s->max_age); | |
1801 | stp_set_forward_delay(ofproto->stp, s->fwd_delay); | |
1802 | } else { | |
851bf71d EJ |
1803 | struct ofport *ofport; |
1804 | ||
1805 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
1806 | set_stp_port(ofport, NULL); | |
1807 | } | |
1808 | ||
bd54dbcd | 1809 | stp_unref(ofproto->stp); |
21f7563c JP |
1810 | ofproto->stp = NULL; |
1811 | } | |
1812 | ||
1813 | return 0; | |
1814 | } | |
1815 | ||
1816 | static int | |
1817 | get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s) | |
1818 | { | |
1819 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1820 | ||
1821 | if (ofproto->stp) { | |
1822 | s->enabled = true; | |
1823 | s->bridge_id = stp_get_bridge_id(ofproto->stp); | |
1824 | s->designated_root = stp_get_designated_root(ofproto->stp); | |
1825 | s->root_path_cost = stp_get_root_path_cost(ofproto->stp); | |
1826 | } else { | |
1827 | s->enabled = false; | |
1828 | } | |
1829 | ||
1830 | return 0; | |
1831 | } | |
1832 | ||
1833 | static void | |
1834 | update_stp_port_state(struct ofport_dpif *ofport) | |
1835 | { | |
1836 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
1837 | enum stp_state state; | |
1838 | ||
1839 | /* Figure out new state. */ | |
1840 | state = ofport->stp_port ? stp_port_get_state(ofport->stp_port) | |
1841 | : STP_DISABLED; | |
1842 | ||
1843 | /* Update state. */ | |
1844 | if (ofport->stp_state != state) { | |
9e1fd49b | 1845 | enum ofputil_port_state of_state; |
21f7563c JP |
1846 | bool fwd_change; |
1847 | ||
1848 | VLOG_DBG_RL(&rl, "port %s: STP state changed from %s to %s", | |
1849 | netdev_get_name(ofport->up.netdev), | |
1850 | stp_state_name(ofport->stp_state), | |
1851 | stp_state_name(state)); | |
1852 | if (stp_learn_in_state(ofport->stp_state) | |
1853 | != stp_learn_in_state(state)) { | |
1854 | /* xxx Learning action flows should also be flushed. */ | |
509c0149 | 1855 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 1856 | mac_learning_flush(ofproto->ml); |
509c0149 | 1857 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
21f7563c JP |
1858 | } |
1859 | fwd_change = stp_forward_in_state(ofport->stp_state) | |
1860 | != stp_forward_in_state(state); | |
1861 | ||
2cc3c58e | 1862 | ofproto->backer->need_revalidate = REV_STP; |
21f7563c JP |
1863 | ofport->stp_state = state; |
1864 | ofport->stp_state_entered = time_msec(); | |
1865 | ||
b308140a | 1866 | if (fwd_change && ofport->bundle) { |
21f7563c JP |
1867 | bundle_update(ofport->bundle); |
1868 | } | |
1869 | ||
1870 | /* Update the STP state bits in the OpenFlow port description. */ | |
9e1fd49b BP |
1871 | of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK; |
1872 | of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN | |
1873 | : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN | |
1874 | : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD | |
1875 | : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK | |
1876 | : 0); | |
21f7563c JP |
1877 | ofproto_port_set_state(&ofport->up, of_state); |
1878 | } | |
1879 | } | |
1880 | ||
1881 | /* Configures STP on 'ofport_' using the settings defined in 's'. The | |
1882 | * caller is responsible for assigning STP port numbers and ensuring | |
1883 | * there are no duplicates. */ | |
1884 | static int | |
1885 | set_stp_port(struct ofport *ofport_, | |
1886 | const struct ofproto_port_stp_settings *s) | |
1887 | { | |
1888 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1889 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
1890 | struct stp_port *sp = ofport->stp_port; | |
1891 | ||
1892 | if (!s || !s->enable) { | |
1893 | if (sp) { | |
1894 | ofport->stp_port = NULL; | |
1895 | stp_port_disable(sp); | |
ecd12731 | 1896 | update_stp_port_state(ofport); |
21f7563c JP |
1897 | } |
1898 | return 0; | |
1899 | } else if (sp && stp_port_no(sp) != s->port_num | |
1900 | && ofport == stp_port_get_aux(sp)) { | |
1901 | /* The port-id changed, so disable the old one if it's not | |
1902 | * already in use by another port. */ | |
1903 | stp_port_disable(sp); | |
1904 | } | |
1905 | ||
1906 | sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num); | |
1907 | stp_port_enable(sp); | |
1908 | ||
1909 | stp_port_set_aux(sp, ofport); | |
1910 | stp_port_set_priority(sp, s->priority); | |
1911 | stp_port_set_path_cost(sp, s->path_cost); | |
1912 | ||
1913 | update_stp_port_state(ofport); | |
1914 | ||
1915 | return 0; | |
1916 | } | |
1917 | ||
1918 | static int | |
1919 | get_stp_port_status(struct ofport *ofport_, | |
1920 | struct ofproto_port_stp_status *s) | |
1921 | { | |
1922 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1923 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
1924 | struct stp_port *sp = ofport->stp_port; | |
1925 | ||
1926 | if (!ofproto->stp || !sp) { | |
1927 | s->enabled = false; | |
1928 | return 0; | |
1929 | } | |
1930 | ||
1931 | s->enabled = true; | |
1932 | s->port_id = stp_port_get_id(sp); | |
1933 | s->state = stp_port_get_state(sp); | |
1934 | s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000; | |
1935 | s->role = stp_port_get_role(sp); | |
fd28ce3a JS |
1936 | |
1937 | return 0; | |
1938 | } | |
1939 | ||
1940 | static int | |
1941 | get_stp_port_stats(struct ofport *ofport_, | |
1942 | struct ofproto_port_stp_stats *s) | |
1943 | { | |
1944 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1945 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
1946 | struct stp_port *sp = ofport->stp_port; | |
1947 | ||
1948 | if (!ofproto->stp || !sp) { | |
1949 | s->enabled = false; | |
1950 | return 0; | |
1951 | } | |
1952 | ||
1953 | s->enabled = true; | |
80740385 | 1954 | stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count); |
21f7563c JP |
1955 | |
1956 | return 0; | |
1957 | } | |
1958 | ||
1959 | static void | |
1960 | stp_run(struct ofproto_dpif *ofproto) | |
1961 | { | |
1962 | if (ofproto->stp) { | |
1963 | long long int now = time_msec(); | |
1964 | long long int elapsed = now - ofproto->stp_last_tick; | |
1965 | struct stp_port *sp; | |
1966 | ||
1967 | if (elapsed > 0) { | |
1968 | stp_tick(ofproto->stp, MIN(INT_MAX, elapsed)); | |
1969 | ofproto->stp_last_tick = now; | |
1970 | } | |
1971 | while (stp_get_changed_port(ofproto->stp, &sp)) { | |
1972 | struct ofport_dpif *ofport = stp_port_get_aux(sp); | |
1973 | ||
1974 | if (ofport) { | |
1975 | update_stp_port_state(ofport); | |
1976 | } | |
1977 | } | |
6ae50723 EJ |
1978 | |
1979 | if (stp_check_and_reset_fdb_flush(ofproto->stp)) { | |
509c0149 | 1980 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 1981 | mac_learning_flush(ofproto->ml); |
509c0149 | 1982 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6ae50723 | 1983 | } |
21f7563c JP |
1984 | } |
1985 | } | |
1986 | ||
1987 | static void | |
1988 | stp_wait(struct ofproto_dpif *ofproto) | |
1989 | { | |
1990 | if (ofproto->stp) { | |
1991 | poll_timer_wait(1000); | |
1992 | } | |
1993 | } | |
21f7563c | 1994 | \f |
8b36f51e | 1995 | static int |
55954f6e | 1996 | set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp, |
8b36f51e EJ |
1997 | size_t n_qdscp) |
1998 | { | |
1999 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2000 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
8b36f51e | 2001 | |
55954f6e EJ |
2002 | if (ofport->n_qdscp != n_qdscp |
2003 | || (n_qdscp && memcmp(ofport->qdscp, qdscp, | |
2004 | n_qdscp * sizeof *qdscp))) { | |
2cc3c58e | 2005 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
55954f6e EJ |
2006 | free(ofport->qdscp); |
2007 | ofport->qdscp = n_qdscp | |
2008 | ? xmemdup(qdscp, n_qdscp * sizeof *qdscp) | |
2009 | : NULL; | |
2010 | ofport->n_qdscp = n_qdscp; | |
8b36f51e EJ |
2011 | } |
2012 | ||
8b36f51e EJ |
2013 | return 0; |
2014 | } | |
2015 | \f | |
abe529af BP |
2016 | /* Bundles. */ |
2017 | ||
b44a10b7 BP |
2018 | /* Expires all MAC learning entries associated with 'bundle' and forces its |
2019 | * ofproto to revalidate every flow. | |
2020 | * | |
2021 | * Normally MAC learning entries are removed only from the ofproto associated | |
2022 | * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries | |
2023 | * are removed from every ofproto. When patch ports and SLB bonds are in use | |
2024 | * and a VM migration happens and the gratuitous ARPs are somehow lost, this | |
2025 | * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate | |
2026 | * with the host from which it migrated. */ | |
abe529af | 2027 | static void |
b44a10b7 | 2028 | bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos) |
abe529af BP |
2029 | { |
2030 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
2031 | struct mac_learning *ml = ofproto->ml; | |
2032 | struct mac_entry *mac, *next_mac; | |
2033 | ||
2cc3c58e | 2034 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
509c0149 | 2035 | ovs_rwlock_wrlock(&ml->rwlock); |
abe529af BP |
2036 | LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) { |
2037 | if (mac->port.p == bundle) { | |
b44a10b7 BP |
2038 | if (all_ofprotos) { |
2039 | struct ofproto_dpif *o; | |
2040 | ||
2041 | HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
2042 | if (o != ofproto) { | |
2043 | struct mac_entry *e; | |
2044 | ||
509c0149 | 2045 | ovs_rwlock_wrlock(&o->ml->rwlock); |
30618594 | 2046 | e = mac_learning_lookup(o->ml, mac->mac, mac->vlan); |
b44a10b7 | 2047 | if (e) { |
b44a10b7 BP |
2048 | mac_learning_expire(o->ml, e); |
2049 | } | |
509c0149 | 2050 | ovs_rwlock_unlock(&o->ml->rwlock); |
b44a10b7 BP |
2051 | } |
2052 | } | |
2053 | } | |
2054 | ||
abe529af BP |
2055 | mac_learning_expire(ml, mac); |
2056 | } | |
2057 | } | |
509c0149 | 2058 | ovs_rwlock_unlock(&ml->rwlock); |
abe529af BP |
2059 | } |
2060 | ||
2061 | static struct ofbundle * | |
2062 | bundle_lookup(const struct ofproto_dpif *ofproto, void *aux) | |
2063 | { | |
2064 | struct ofbundle *bundle; | |
2065 | ||
2066 | HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0), | |
2067 | &ofproto->bundles) { | |
2068 | if (bundle->aux == aux) { | |
2069 | return bundle; | |
2070 | } | |
2071 | } | |
2072 | return NULL; | |
2073 | } | |
2074 | ||
7bde8dd8 JP |
2075 | static void |
2076 | bundle_update(struct ofbundle *bundle) | |
2077 | { | |
2078 | struct ofport_dpif *port; | |
2079 | ||
2080 | bundle->floodable = true; | |
2081 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
9e1fd49b | 2082 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2083 | || port->is_layer3 |
9e1fd49b | 2084 | || !stp_forward_in_state(port->stp_state)) { |
7bde8dd8 JP |
2085 | bundle->floodable = false; |
2086 | break; | |
2087 | } | |
2088 | } | |
2089 | } | |
2090 | ||
abe529af BP |
2091 | static void |
2092 | bundle_del_port(struct ofport_dpif *port) | |
2093 | { | |
2094 | struct ofbundle *bundle = port->bundle; | |
2095 | ||
2cc3c58e | 2096 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6f77f4ae | 2097 | |
abe529af BP |
2098 | list_remove(&port->bundle_node); |
2099 | port->bundle = NULL; | |
2100 | ||
2101 | if (bundle->lacp) { | |
2102 | lacp_slave_unregister(bundle->lacp, port); | |
2103 | } | |
2104 | if (bundle->bond) { | |
2105 | bond_slave_unregister(bundle->bond, port); | |
2106 | } | |
2107 | ||
7bde8dd8 | 2108 | bundle_update(bundle); |
abe529af BP |
2109 | } |
2110 | ||
2111 | static bool | |
4e022ec0 | 2112 | bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port, |
df53d41c | 2113 | struct lacp_slave_settings *lacp) |
abe529af BP |
2114 | { |
2115 | struct ofport_dpif *port; | |
2116 | ||
2117 | port = get_ofp_port(bundle->ofproto, ofp_port); | |
2118 | if (!port) { | |
2119 | return false; | |
2120 | } | |
2121 | ||
2122 | if (port->bundle != bundle) { | |
2cc3c58e | 2123 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 2124 | if (port->bundle) { |
e019a574 | 2125 | bundle_remove(&port->up); |
abe529af BP |
2126 | } |
2127 | ||
2128 | port->bundle = bundle; | |
2129 | list_push_back(&bundle->ports, &port->bundle_node); | |
9e1fd49b | 2130 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2131 | || port->is_layer3 |
9e1fd49b | 2132 | || !stp_forward_in_state(port->stp_state)) { |
abe529af BP |
2133 | bundle->floodable = false; |
2134 | } | |
2135 | } | |
2136 | if (lacp) { | |
2cc3c58e | 2137 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2138 | lacp_slave_register(bundle->lacp, port, lacp); |
2139 | } | |
2140 | ||
2141 | return true; | |
2142 | } | |
2143 | ||
2144 | static void | |
2145 | bundle_destroy(struct ofbundle *bundle) | |
2146 | { | |
2147 | struct ofproto_dpif *ofproto; | |
2148 | struct ofport_dpif *port, *next_port; | |
abe529af BP |
2149 | |
2150 | if (!bundle) { | |
2151 | return; | |
2152 | } | |
2153 | ||
2154 | ofproto = bundle->ofproto; | |
ec7ceaed | 2155 | mbridge_unregister_bundle(ofproto->mbridge, bundle->aux); |
abe529af | 2156 | |
dc24a00f | 2157 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 2158 | xlate_bundle_remove(bundle); |
dc24a00f | 2159 | ovs_rwlock_unlock(&xlate_rwlock); |
46c88433 | 2160 | |
abe529af BP |
2161 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { |
2162 | bundle_del_port(port); | |
2163 | } | |
2164 | ||
b44a10b7 | 2165 | bundle_flush_macs(bundle, true); |
abe529af BP |
2166 | hmap_remove(&ofproto->bundles, &bundle->hmap_node); |
2167 | free(bundle->name); | |
2168 | free(bundle->trunks); | |
91779071 | 2169 | lacp_unref(bundle->lacp); |
03366a2d | 2170 | bond_unref(bundle->bond); |
abe529af BP |
2171 | free(bundle); |
2172 | } | |
2173 | ||
2174 | static int | |
2175 | bundle_set(struct ofproto *ofproto_, void *aux, | |
2176 | const struct ofproto_bundle_settings *s) | |
2177 | { | |
2178 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2179 | bool need_flush = false; | |
abe529af BP |
2180 | struct ofport_dpif *port; |
2181 | struct ofbundle *bundle; | |
ecac4ebf BP |
2182 | unsigned long *trunks; |
2183 | int vlan; | |
abe529af BP |
2184 | size_t i; |
2185 | bool ok; | |
2186 | ||
2187 | if (!s) { | |
2188 | bundle_destroy(bundle_lookup(ofproto, aux)); | |
2189 | return 0; | |
2190 | } | |
2191 | ||
cb22974d BP |
2192 | ovs_assert(s->n_slaves == 1 || s->bond != NULL); |
2193 | ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL)); | |
abe529af BP |
2194 | |
2195 | bundle = bundle_lookup(ofproto, aux); | |
2196 | if (!bundle) { | |
2197 | bundle = xmalloc(sizeof *bundle); | |
2198 | ||
2199 | bundle->ofproto = ofproto; | |
2200 | hmap_insert(&ofproto->bundles, &bundle->hmap_node, | |
2201 | hash_pointer(aux, 0)); | |
2202 | bundle->aux = aux; | |
2203 | bundle->name = NULL; | |
2204 | ||
2205 | list_init(&bundle->ports); | |
ecac4ebf | 2206 | bundle->vlan_mode = PORT_VLAN_TRUNK; |
abe529af BP |
2207 | bundle->vlan = -1; |
2208 | bundle->trunks = NULL; | |
5e9ceccd | 2209 | bundle->use_priority_tags = s->use_priority_tags; |
abe529af BP |
2210 | bundle->lacp = NULL; |
2211 | bundle->bond = NULL; | |
2212 | ||
2213 | bundle->floodable = true; | |
ec7ceaed | 2214 | mbridge_register_bundle(ofproto->mbridge, bundle); |
abe529af BP |
2215 | } |
2216 | ||
2217 | if (!bundle->name || strcmp(s->name, bundle->name)) { | |
2218 | free(bundle->name); | |
2219 | bundle->name = xstrdup(s->name); | |
2220 | } | |
2221 | ||
2222 | /* LACP. */ | |
2223 | if (s->lacp) { | |
e2d13c43 | 2224 | ofproto->lacp_enabled = true; |
abe529af | 2225 | if (!bundle->lacp) { |
2cc3c58e | 2226 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2227 | bundle->lacp = lacp_create(); |
2228 | } | |
2229 | lacp_configure(bundle->lacp, s->lacp); | |
2230 | } else { | |
91779071 | 2231 | lacp_unref(bundle->lacp); |
abe529af BP |
2232 | bundle->lacp = NULL; |
2233 | } | |
2234 | ||
2235 | /* Update set of ports. */ | |
2236 | ok = true; | |
2237 | for (i = 0; i < s->n_slaves; i++) { | |
2238 | if (!bundle_add_port(bundle, s->slaves[i], | |
df53d41c | 2239 | s->lacp ? &s->lacp_slaves[i] : NULL)) { |
abe529af BP |
2240 | ok = false; |
2241 | } | |
2242 | } | |
2243 | if (!ok || list_size(&bundle->ports) != s->n_slaves) { | |
2244 | struct ofport_dpif *next_port; | |
2245 | ||
2246 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { | |
2247 | for (i = 0; i < s->n_slaves; i++) { | |
56c769ab | 2248 | if (s->slaves[i] == port->up.ofp_port) { |
abe529af BP |
2249 | goto found; |
2250 | } | |
2251 | } | |
2252 | ||
2253 | bundle_del_port(port); | |
2254 | found: ; | |
2255 | } | |
2256 | } | |
cb22974d | 2257 | ovs_assert(list_size(&bundle->ports) <= s->n_slaves); |
abe529af BP |
2258 | |
2259 | if (list_is_empty(&bundle->ports)) { | |
2260 | bundle_destroy(bundle); | |
2261 | return EINVAL; | |
2262 | } | |
2263 | ||
ecac4ebf | 2264 | /* Set VLAN tagging mode */ |
5e9ceccd BP |
2265 | if (s->vlan_mode != bundle->vlan_mode |
2266 | || s->use_priority_tags != bundle->use_priority_tags) { | |
ecac4ebf | 2267 | bundle->vlan_mode = s->vlan_mode; |
5e9ceccd | 2268 | bundle->use_priority_tags = s->use_priority_tags; |
ecac4ebf BP |
2269 | need_flush = true; |
2270 | } | |
2271 | ||
abe529af | 2272 | /* Set VLAN tag. */ |
ecac4ebf BP |
2273 | vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1 |
2274 | : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan | |
2275 | : 0); | |
2276 | if (vlan != bundle->vlan) { | |
2277 | bundle->vlan = vlan; | |
abe529af BP |
2278 | need_flush = true; |
2279 | } | |
2280 | ||
2281 | /* Get trunked VLANs. */ | |
ecac4ebf BP |
2282 | switch (s->vlan_mode) { |
2283 | case PORT_VLAN_ACCESS: | |
2284 | trunks = NULL; | |
2285 | break; | |
2286 | ||
2287 | case PORT_VLAN_TRUNK: | |
ebc56baa | 2288 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2289 | break; |
2290 | ||
2291 | case PORT_VLAN_NATIVE_UNTAGGED: | |
2292 | case PORT_VLAN_NATIVE_TAGGED: | |
2293 | if (vlan != 0 && (!s->trunks | |
2294 | || !bitmap_is_set(s->trunks, vlan) | |
2295 | || bitmap_is_set(s->trunks, 0))) { | |
2296 | /* Force trunking the native VLAN and prohibit trunking VLAN 0. */ | |
2297 | if (s->trunks) { | |
2298 | trunks = bitmap_clone(s->trunks, 4096); | |
2299 | } else { | |
2300 | trunks = bitmap_allocate1(4096); | |
2301 | } | |
2302 | bitmap_set1(trunks, vlan); | |
2303 | bitmap_set0(trunks, 0); | |
2304 | } else { | |
ebc56baa | 2305 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2306 | } |
2307 | break; | |
2308 | ||
2309 | default: | |
428b2edd | 2310 | OVS_NOT_REACHED(); |
ecac4ebf | 2311 | } |
abe529af BP |
2312 | if (!vlan_bitmap_equal(trunks, bundle->trunks)) { |
2313 | free(bundle->trunks); | |
ecac4ebf BP |
2314 | if (trunks == s->trunks) { |
2315 | bundle->trunks = vlan_bitmap_clone(trunks); | |
2316 | } else { | |
2317 | bundle->trunks = trunks; | |
2318 | trunks = NULL; | |
2319 | } | |
abe529af BP |
2320 | need_flush = true; |
2321 | } | |
ecac4ebf BP |
2322 | if (trunks != s->trunks) { |
2323 | free(trunks); | |
2324 | } | |
abe529af BP |
2325 | |
2326 | /* Bonding. */ | |
2327 | if (!list_is_short(&bundle->ports)) { | |
2328 | bundle->ofproto->has_bonded_bundles = true; | |
2329 | if (bundle->bond) { | |
2330 | if (bond_reconfigure(bundle->bond, s->bond)) { | |
2cc3c58e | 2331 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2332 | } |
2333 | } else { | |
2334 | bundle->bond = bond_create(s->bond); | |
2cc3c58e | 2335 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2336 | } |
2337 | ||
2338 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
df53d41c | 2339 | bond_slave_register(bundle->bond, port, port->up.netdev); |
abe529af BP |
2340 | } |
2341 | } else { | |
03366a2d | 2342 | bond_unref(bundle->bond); |
abe529af BP |
2343 | bundle->bond = NULL; |
2344 | } | |
2345 | ||
2346 | /* If we changed something that would affect MAC learning, un-learn | |
2347 | * everything on this port and force flow revalidation. */ | |
2348 | if (need_flush) { | |
b44a10b7 | 2349 | bundle_flush_macs(bundle, false); |
abe529af BP |
2350 | } |
2351 | ||
2352 | return 0; | |
2353 | } | |
2354 | ||
2355 | static void | |
2356 | bundle_remove(struct ofport *port_) | |
2357 | { | |
2358 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
2359 | struct ofbundle *bundle = port->bundle; | |
2360 | ||
2361 | if (bundle) { | |
2362 | bundle_del_port(port); | |
2363 | if (list_is_empty(&bundle->ports)) { | |
2364 | bundle_destroy(bundle); | |
2365 | } else if (list_is_short(&bundle->ports)) { | |
03366a2d | 2366 | bond_unref(bundle->bond); |
abe529af BP |
2367 | bundle->bond = NULL; |
2368 | } | |
2369 | } | |
2370 | } | |
2371 | ||
2372 | static void | |
5f877369 | 2373 | send_pdu_cb(void *port_, const void *pdu, size_t pdu_size) |
abe529af BP |
2374 | { |
2375 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10); | |
2376 | struct ofport_dpif *port = port_; | |
2377 | uint8_t ea[ETH_ADDR_LEN]; | |
2378 | int error; | |
2379 | ||
2380 | error = netdev_get_etheraddr(port->up.netdev, ea); | |
2381 | if (!error) { | |
abe529af | 2382 | struct ofpbuf packet; |
5f877369 | 2383 | void *packet_pdu; |
abe529af BP |
2384 | |
2385 | ofpbuf_init(&packet, 0); | |
2386 | packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP, | |
5f877369 EJ |
2387 | pdu_size); |
2388 | memcpy(packet_pdu, pdu, pdu_size); | |
2389 | ||
91d6cd12 | 2390 | ofproto_dpif_send_packet(port, &packet); |
abe529af BP |
2391 | ofpbuf_uninit(&packet); |
2392 | } else { | |
2393 | VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface " | |
2394 | "%s (%s)", port->bundle->name, | |
10a89ef0 | 2395 | netdev_get_name(port->up.netdev), ovs_strerror(error)); |
abe529af BP |
2396 | } |
2397 | } | |
2398 | ||
2399 | static void | |
2400 | bundle_send_learning_packets(struct ofbundle *bundle) | |
2401 | { | |
2402 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
0165217e | 2403 | struct ofpbuf *learning_packet; |
abe529af BP |
2404 | int error, n_packets, n_errors; |
2405 | struct mac_entry *e; | |
0165217e | 2406 | struct list packets; |
abe529af | 2407 | |
0165217e | 2408 | list_init(&packets); |
509c0149 | 2409 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
2410 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
2411 | if (e->port.p != bundle) { | |
4dd1e3ca | 2412 | void *port_void; |
ea131871 | 2413 | |
4dd1e3ca BP |
2414 | learning_packet = bond_compose_learning_packet(bundle->bond, |
2415 | e->mac, e->vlan, | |
2416 | &port_void); | |
0165217e EJ |
2417 | learning_packet->private_p = port_void; |
2418 | list_push_back(&packets, &learning_packet->list_node); | |
abe529af BP |
2419 | } |
2420 | } | |
509c0149 | 2421 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 2422 | |
0165217e EJ |
2423 | error = n_packets = n_errors = 0; |
2424 | LIST_FOR_EACH (learning_packet, list_node, &packets) { | |
2425 | int ret; | |
2426 | ||
91d6cd12 | 2427 | ret = ofproto_dpif_send_packet(learning_packet->private_p, learning_packet); |
0165217e EJ |
2428 | if (ret) { |
2429 | error = ret; | |
2430 | n_errors++; | |
2431 | } | |
2432 | n_packets++; | |
2433 | } | |
2434 | ofpbuf_list_delete(&packets); | |
2435 | ||
abe529af BP |
2436 | if (n_errors) { |
2437 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
2438 | VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning " | |
2439 | "packets, last error was: %s", | |
10a89ef0 | 2440 | bundle->name, n_errors, n_packets, ovs_strerror(error)); |
abe529af BP |
2441 | } else { |
2442 | VLOG_DBG("bond %s: sent %d gratuitous learning packets", | |
2443 | bundle->name, n_packets); | |
2444 | } | |
2445 | } | |
2446 | ||
2447 | static void | |
2448 | bundle_run(struct ofbundle *bundle) | |
2449 | { | |
2450 | if (bundle->lacp) { | |
2451 | lacp_run(bundle->lacp, send_pdu_cb); | |
2452 | } | |
2453 | if (bundle->bond) { | |
2454 | struct ofport_dpif *port; | |
2455 | ||
2456 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
015e08bc | 2457 | bond_slave_set_may_enable(bundle->bond, port, port->may_enable); |
abe529af BP |
2458 | } |
2459 | ||
4a1b8f30 EJ |
2460 | if (bond_run(bundle->bond, lacp_status(bundle->lacp))) { |
2461 | bundle->ofproto->backer->need_revalidate = REV_BOND; | |
2462 | } | |
2463 | ||
abe529af BP |
2464 | if (bond_should_send_learning_packets(bundle->bond)) { |
2465 | bundle_send_learning_packets(bundle); | |
2466 | } | |
2467 | } | |
2468 | } | |
2469 | ||
2470 | static void | |
2471 | bundle_wait(struct ofbundle *bundle) | |
2472 | { | |
2473 | if (bundle->lacp) { | |
2474 | lacp_wait(bundle->lacp); | |
2475 | } | |
2476 | if (bundle->bond) { | |
2477 | bond_wait(bundle->bond); | |
2478 | } | |
2479 | } | |
2480 | \f | |
2481 | /* Mirrors. */ | |
2482 | ||
2483 | static int | |
ec7ceaed EJ |
2484 | mirror_set__(struct ofproto *ofproto_, void *aux, |
2485 | const struct ofproto_mirror_settings *s) | |
abe529af BP |
2486 | { |
2487 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
ec7ceaed EJ |
2488 | struct ofbundle **srcs, **dsts; |
2489 | int error; | |
2490 | size_t i; | |
abe529af | 2491 | |
abe529af | 2492 | if (!s) { |
ec7ceaed | 2493 | mirror_destroy(ofproto->mbridge, aux); |
abe529af BP |
2494 | return 0; |
2495 | } | |
2496 | ||
ec7ceaed EJ |
2497 | srcs = xmalloc(s->n_srcs * sizeof *srcs); |
2498 | dsts = xmalloc(s->n_dsts * sizeof *dsts); | |
abe529af | 2499 | |
ec7ceaed EJ |
2500 | for (i = 0; i < s->n_srcs; i++) { |
2501 | srcs[i] = bundle_lookup(ofproto, s->srcs[i]); | |
abe529af BP |
2502 | } |
2503 | ||
ec7ceaed EJ |
2504 | for (i = 0; i < s->n_dsts; i++) { |
2505 | dsts[i] = bundle_lookup(ofproto, s->dsts[i]); | |
abe529af BP |
2506 | } |
2507 | ||
ec7ceaed EJ |
2508 | error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts, |
2509 | s->n_dsts, s->src_vlans, | |
2510 | bundle_lookup(ofproto, s->out_bundle), s->out_vlan); | |
2511 | free(srcs); | |
2512 | free(dsts); | |
2513 | return error; | |
abe529af BP |
2514 | } |
2515 | ||
9d24de3b | 2516 | static int |
ec7ceaed EJ |
2517 | mirror_get_stats__(struct ofproto *ofproto, void *aux, |
2518 | uint64_t *packets, uint64_t *bytes) | |
9d24de3b | 2519 | { |
ec7ceaed EJ |
2520 | return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets, |
2521 | bytes); | |
9d24de3b JP |
2522 | } |
2523 | ||
abe529af BP |
2524 | static int |
2525 | set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans) | |
2526 | { | |
2527 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 2528 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
abe529af | 2529 | if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) { |
30618594 | 2530 | mac_learning_flush(ofproto->ml); |
abe529af | 2531 | } |
509c0149 | 2532 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af BP |
2533 | return 0; |
2534 | } | |
2535 | ||
2536 | static bool | |
b4affc74 | 2537 | is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux) |
abe529af BP |
2538 | { |
2539 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2540 | struct ofbundle *bundle = bundle_lookup(ofproto, aux); | |
ec7ceaed | 2541 | return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0; |
abe529af | 2542 | } |
8402c74b SS |
2543 | |
2544 | static void | |
b53055f4 | 2545 | forward_bpdu_changed(struct ofproto *ofproto_) |
8402c74b SS |
2546 | { |
2547 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2cc3c58e | 2548 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8402c74b | 2549 | } |
e764773c BP |
2550 | |
2551 | static void | |
c4069512 BP |
2552 | set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time, |
2553 | size_t max_entries) | |
e764773c BP |
2554 | { |
2555 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 2556 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
e764773c | 2557 | mac_learning_set_idle_time(ofproto->ml, idle_time); |
c4069512 | 2558 | mac_learning_set_max_entries(ofproto->ml, max_entries); |
509c0149 | 2559 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
e764773c | 2560 | } |
abe529af BP |
2561 | \f |
2562 | /* Ports. */ | |
2563 | ||
46c88433 | 2564 | static struct ofport_dpif * |
4e022ec0 | 2565 | get_ofp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
abe529af | 2566 | { |
7df6a8bd BP |
2567 | struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port); |
2568 | return ofport ? ofport_dpif_cast(ofport) : NULL; | |
abe529af BP |
2569 | } |
2570 | ||
abe529af | 2571 | static void |
e1b1d06a JP |
2572 | ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto, |
2573 | struct ofproto_port *ofproto_port, | |
abe529af BP |
2574 | struct dpif_port *dpif_port) |
2575 | { | |
2576 | ofproto_port->name = dpif_port->name; | |
2577 | ofproto_port->type = dpif_port->type; | |
e1b1d06a | 2578 | ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no); |
abe529af BP |
2579 | } |
2580 | ||
6cbbf4fa EJ |
2581 | static void |
2582 | ofport_update_peer(struct ofport_dpif *ofport) | |
0a740f48 EJ |
2583 | { |
2584 | const struct ofproto_dpif *ofproto; | |
6cbbf4fa | 2585 | struct dpif_backer *backer; |
161b6042 | 2586 | char *peer_name; |
6cbbf4fa EJ |
2587 | |
2588 | if (!netdev_vport_is_patch(ofport->up.netdev)) { | |
2589 | return; | |
2590 | } | |
2591 | ||
2592 | backer = ofproto_dpif_cast(ofport->up.ofproto)->backer; | |
7894e7da | 2593 | backer->need_revalidate = REV_RECONFIGURE; |
0a740f48 | 2594 | |
6cbbf4fa EJ |
2595 | if (ofport->peer) { |
2596 | ofport->peer->peer = NULL; | |
2597 | ofport->peer = NULL; | |
2598 | } | |
2599 | ||
2600 | peer_name = netdev_vport_patch_peer(ofport->up.netdev); | |
2601 | if (!peer_name) { | |
2602 | return; | |
0a740f48 EJ |
2603 | } |
2604 | ||
2605 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
6cbbf4fa EJ |
2606 | struct ofport *peer_ofport; |
2607 | struct ofport_dpif *peer; | |
161b6042 | 2608 | char *peer_peer; |
0a740f48 | 2609 | |
462abef2 EJ |
2610 | if (ofproto->backer != backer) { |
2611 | continue; | |
2612 | } | |
2613 | ||
6cbbf4fa EJ |
2614 | peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name); |
2615 | if (!peer_ofport) { | |
2616 | continue; | |
2617 | } | |
2618 | ||
2619 | peer = ofport_dpif_cast(peer_ofport); | |
2620 | peer_peer = netdev_vport_patch_peer(peer->up.netdev); | |
2621 | if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev), | |
2622 | peer_peer)) { | |
2623 | ofport->peer = peer; | |
2624 | ofport->peer->peer = ofport; | |
0a740f48 | 2625 | } |
161b6042 | 2626 | free(peer_peer); |
6cbbf4fa | 2627 | |
161b6042 | 2628 | break; |
0a740f48 | 2629 | } |
161b6042 | 2630 | free(peer_name); |
0a740f48 EJ |
2631 | } |
2632 | ||
abe529af BP |
2633 | static void |
2634 | port_run(struct ofport_dpif *ofport) | |
2635 | { | |
3e5b3fdb EJ |
2636 | long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev); |
2637 | bool carrier_changed = carrier_seq != ofport->carrier_seq; | |
015e08bc | 2638 | bool enable = netdev_get_carrier(ofport->up.netdev); |
2d344ba5 AW |
2639 | bool cfm_enable = false; |
2640 | bool bfd_enable = false; | |
015e08bc | 2641 | |
3e5b3fdb EJ |
2642 | ofport->carrier_seq = carrier_seq; |
2643 | ||
abe529af | 2644 | if (ofport->cfm) { |
4653c558 EJ |
2645 | int cfm_opup = cfm_get_opup(ofport->cfm); |
2646 | ||
2d344ba5 | 2647 | cfm_enable = !cfm_get_fault(ofport->cfm); |
4653c558 EJ |
2648 | |
2649 | if (cfm_opup >= 0) { | |
2d344ba5 | 2650 | cfm_enable = cfm_enable && cfm_opup; |
4653c558 | 2651 | } |
abe529af | 2652 | } |
015e08bc | 2653 | |
ccc09689 | 2654 | if (ofport->bfd) { |
2d344ba5 AW |
2655 | bfd_enable = bfd_forwarding(ofport->bfd); |
2656 | } | |
2657 | ||
2658 | if (ofport->bfd || ofport->cfm) { | |
2659 | enable = enable && (cfm_enable || bfd_enable); | |
ccc09689 EJ |
2660 | } |
2661 | ||
015e08bc EJ |
2662 | if (ofport->bundle) { |
2663 | enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport); | |
3e5b3fdb EJ |
2664 | if (carrier_changed) { |
2665 | lacp_slave_carrier_changed(ofport->bundle->lacp, ofport); | |
2666 | } | |
015e08bc EJ |
2667 | } |
2668 | ||
daff3353 EJ |
2669 | if (ofport->may_enable != enable) { |
2670 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
83341407 | 2671 | ofproto->backer->need_revalidate = REV_PORT_TOGGLED; |
daff3353 EJ |
2672 | } |
2673 | ||
015e08bc | 2674 | ofport->may_enable = enable; |
abe529af BP |
2675 | } |
2676 | ||
abe529af BP |
2677 | static int |
2678 | port_query_by_name(const struct ofproto *ofproto_, const char *devname, | |
2679 | struct ofproto_port *ofproto_port) | |
2680 | { | |
2681 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2682 | struct dpif_port dpif_port; | |
2683 | int error; | |
2684 | ||
0a740f48 EJ |
2685 | if (sset_contains(&ofproto->ghost_ports, devname)) { |
2686 | const char *type = netdev_get_type_from_name(devname); | |
2687 | ||
2688 | /* We may be called before ofproto->up.port_by_name is populated with | |
2689 | * the appropriate ofport. For this reason, we must get the name and | |
2690 | * type from the netdev layer directly. */ | |
2691 | if (type) { | |
2692 | const struct ofport *ofport; | |
2693 | ||
2694 | ofport = shash_find_data(&ofproto->up.port_by_name, devname); | |
2695 | ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE; | |
2696 | ofproto_port->name = xstrdup(devname); | |
2697 | ofproto_port->type = xstrdup(type); | |
2698 | return 0; | |
2699 | } | |
2700 | return ENODEV; | |
2701 | } | |
2702 | ||
acf60855 JP |
2703 | if (!sset_contains(&ofproto->ports, devname)) { |
2704 | return ENODEV; | |
2705 | } | |
2706 | error = dpif_port_query_by_name(ofproto->backer->dpif, | |
2707 | devname, &dpif_port); | |
abe529af | 2708 | if (!error) { |
e1b1d06a | 2709 | ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port); |
abe529af BP |
2710 | } |
2711 | return error; | |
2712 | } | |
2713 | ||
2714 | static int | |
e1b1d06a | 2715 | port_add(struct ofproto *ofproto_, struct netdev *netdev) |
abe529af BP |
2716 | { |
2717 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 2718 | const char *devname = netdev_get_name(netdev); |
3aa30359 BP |
2719 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
2720 | const char *dp_port_name; | |
abe529af | 2721 | |
0a740f48 EJ |
2722 | if (netdev_vport_is_patch(netdev)) { |
2723 | sset_add(&ofproto->ghost_ports, netdev_get_name(netdev)); | |
2724 | return 0; | |
2725 | } | |
2726 | ||
3aa30359 | 2727 | dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf); |
b9ad7294 | 2728 | if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
4e022ec0 | 2729 | odp_port_t port_no = ODPP_NONE; |
7d82ab2e KM |
2730 | int error; |
2731 | ||
2732 | error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no); | |
b9ad7294 EJ |
2733 | if (error) { |
2734 | return error; | |
2735 | } | |
7d82ab2e | 2736 | if (netdev_get_tunnel_config(netdev)) { |
4e022ec0 AW |
2737 | simap_put(&ofproto->backer->tnl_backers, |
2738 | dp_port_name, odp_to_u32(port_no)); | |
7d82ab2e | 2739 | } |
acf60855 | 2740 | } |
b9ad7294 EJ |
2741 | |
2742 | if (netdev_get_tunnel_config(netdev)) { | |
2743 | sset_add(&ofproto->ghost_ports, devname); | |
b9ad7294 EJ |
2744 | } else { |
2745 | sset_add(&ofproto->ports, devname); | |
2746 | } | |
2747 | return 0; | |
2748 | } | |
2749 | ||
abe529af | 2750 | static int |
4e022ec0 | 2751 | port_del(struct ofproto *ofproto_, ofp_port_t ofp_port) |
abe529af BP |
2752 | { |
2753 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 2754 | struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); |
e1b1d06a | 2755 | int error = 0; |
abe529af | 2756 | |
b9ad7294 EJ |
2757 | if (!ofport) { |
2758 | return 0; | |
e1b1d06a | 2759 | } |
b9ad7294 EJ |
2760 | |
2761 | sset_find_and_delete(&ofproto->ghost_ports, | |
2762 | netdev_get_name(ofport->up.netdev)); | |
a614d823 | 2763 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8911c674 | 2764 | if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) { |
b9ad7294 EJ |
2765 | error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port); |
2766 | if (!error) { | |
abe529af BP |
2767 | /* The caller is going to close ofport->up.netdev. If this is a |
2768 | * bonded port, then the bond is using that netdev, so remove it | |
2769 | * from the bond. The client will need to reconfigure everything | |
2770 | * after deleting ports, so then the slave will get re-added. */ | |
2771 | bundle_remove(&ofport->up); | |
2772 | } | |
2773 | } | |
2774 | return error; | |
2775 | } | |
2776 | ||
6527c598 PS |
2777 | static int |
2778 | port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats) | |
2779 | { | |
2780 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2781 | int error; | |
2782 | ||
2783 | error = netdev_get_stats(ofport->up.netdev, stats); | |
2784 | ||
ee382d89 | 2785 | if (!error && ofport_->ofp_port == OFPP_LOCAL) { |
6527c598 PS |
2786 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
2787 | ||
0da3c61b | 2788 | ovs_mutex_lock(&ofproto->stats_mutex); |
6527c598 PS |
2789 | /* ofproto->stats.tx_packets represents packets that we created |
2790 | * internally and sent to some port (e.g. packets sent with | |
91d6cd12 AW |
2791 | * ofproto_dpif_send_packet()). Account for them as if they had |
2792 | * come from OFPP_LOCAL and got forwarded. */ | |
6527c598 PS |
2793 | |
2794 | if (stats->rx_packets != UINT64_MAX) { | |
2795 | stats->rx_packets += ofproto->stats.tx_packets; | |
2796 | } | |
2797 | ||
2798 | if (stats->rx_bytes != UINT64_MAX) { | |
2799 | stats->rx_bytes += ofproto->stats.tx_bytes; | |
2800 | } | |
2801 | ||
2802 | /* ofproto->stats.rx_packets represents packets that were received on | |
2803 | * some port and we processed internally and dropped (e.g. STP). | |
4e090bc7 | 2804 | * Account for them as if they had been forwarded to OFPP_LOCAL. */ |
6527c598 PS |
2805 | |
2806 | if (stats->tx_packets != UINT64_MAX) { | |
2807 | stats->tx_packets += ofproto->stats.rx_packets; | |
2808 | } | |
2809 | ||
2810 | if (stats->tx_bytes != UINT64_MAX) { | |
2811 | stats->tx_bytes += ofproto->stats.rx_bytes; | |
2812 | } | |
0da3c61b | 2813 | ovs_mutex_unlock(&ofproto->stats_mutex); |
6527c598 PS |
2814 | } |
2815 | ||
2816 | return error; | |
2817 | } | |
2818 | ||
abe529af | 2819 | struct port_dump_state { |
acf60855 JP |
2820 | uint32_t bucket; |
2821 | uint32_t offset; | |
0a740f48 | 2822 | bool ghost; |
da78d43d BP |
2823 | |
2824 | struct ofproto_port port; | |
2825 | bool has_port; | |
abe529af BP |
2826 | }; |
2827 | ||
2828 | static int | |
acf60855 | 2829 | port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep) |
abe529af | 2830 | { |
0a740f48 | 2831 | *statep = xzalloc(sizeof(struct port_dump_state)); |
abe529af BP |
2832 | return 0; |
2833 | } | |
2834 | ||
2835 | static int | |
b9ad7294 | 2836 | port_dump_next(const struct ofproto *ofproto_, void *state_, |
abe529af BP |
2837 | struct ofproto_port *port) |
2838 | { | |
e1b1d06a | 2839 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
abe529af | 2840 | struct port_dump_state *state = state_; |
0a740f48 | 2841 | const struct sset *sset; |
acf60855 | 2842 | struct sset_node *node; |
abe529af | 2843 | |
da78d43d BP |
2844 | if (state->has_port) { |
2845 | ofproto_port_destroy(&state->port); | |
2846 | state->has_port = false; | |
2847 | } | |
0a740f48 EJ |
2848 | sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports; |
2849 | while ((node = sset_at_position(sset, &state->bucket, &state->offset))) { | |
acf60855 JP |
2850 | int error; |
2851 | ||
da78d43d BP |
2852 | error = port_query_by_name(ofproto_, node->name, &state->port); |
2853 | if (!error) { | |
2854 | *port = state->port; | |
2855 | state->has_port = true; | |
2856 | return 0; | |
2857 | } else if (error != ENODEV) { | |
acf60855 JP |
2858 | return error; |
2859 | } | |
abe529af | 2860 | } |
acf60855 | 2861 | |
0a740f48 EJ |
2862 | if (!state->ghost) { |
2863 | state->ghost = true; | |
2864 | state->bucket = 0; | |
2865 | state->offset = 0; | |
2866 | return port_dump_next(ofproto_, state_, port); | |
2867 | } | |
2868 | ||
acf60855 | 2869 | return EOF; |
abe529af BP |
2870 | } |
2871 | ||
2872 | static int | |
2873 | port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_) | |
2874 | { | |
2875 | struct port_dump_state *state = state_; | |
2876 | ||
da78d43d BP |
2877 | if (state->has_port) { |
2878 | ofproto_port_destroy(&state->port); | |
2879 | } | |
abe529af BP |
2880 | free(state); |
2881 | return 0; | |
2882 | } | |
2883 | ||
2884 | static int | |
2885 | port_poll(const struct ofproto *ofproto_, char **devnamep) | |
2886 | { | |
2887 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 JP |
2888 | |
2889 | if (ofproto->port_poll_errno) { | |
2890 | int error = ofproto->port_poll_errno; | |
2891 | ofproto->port_poll_errno = 0; | |
2892 | return error; | |
2893 | } | |
2894 | ||
2895 | if (sset_is_empty(&ofproto->port_poll_set)) { | |
2896 | return EAGAIN; | |
2897 | } | |
2898 | ||
2899 | *devnamep = sset_pop(&ofproto->port_poll_set); | |
2900 | return 0; | |
abe529af BP |
2901 | } |
2902 | ||
2903 | static void | |
2904 | port_poll_wait(const struct ofproto *ofproto_) | |
2905 | { | |
2906 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 2907 | dpif_port_poll_wait(ofproto->backer->dpif); |
abe529af BP |
2908 | } |
2909 | ||
2910 | static int | |
2911 | port_is_lacp_current(const struct ofport *ofport_) | |
2912 | { | |
2913 | const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2914 | return (ofport->bundle && ofport->bundle->lacp | |
2915 | ? lacp_slave_is_current(ofport->bundle->lacp, ofport) | |
2916 | : -1); | |
2917 | } | |
2918 | \f | |
e79a6c83 EJ |
2919 | /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules, |
2920 | * then delete it entirely. */ | |
2921 | static void | |
2922 | rule_expire(struct rule_dpif *rule) | |
2923 | OVS_REQUIRES(ofproto_mutex) | |
9d6ac44e | 2924 | { |
dc437090 | 2925 | uint16_t hard_timeout, idle_timeout; |
e79a6c83 | 2926 | long long int now = time_msec(); |
dc437090 | 2927 | int reason = -1; |
9d6ac44e | 2928 | |
e79a6c83 | 2929 | ovs_assert(!rule->up.pending); |
9d6ac44e | 2930 | |
e79a6c83 EJ |
2931 | hard_timeout = rule->up.hard_timeout; |
2932 | idle_timeout = rule->up.idle_timeout; | |
dc437090 JR |
2933 | |
2934 | /* Has 'rule' expired? */ | |
2935 | if (hard_timeout) { | |
2936 | long long int modified; | |
2937 | ||
2938 | ovs_mutex_lock(&rule->up.mutex); | |
2939 | modified = rule->up.modified; | |
2940 | ovs_mutex_unlock(&rule->up.mutex); | |
2941 | ||
2942 | if (now > modified + hard_timeout * 1000) { | |
2943 | reason = OFPRR_HARD_TIMEOUT; | |
2944 | } | |
2945 | } | |
2946 | ||
2947 | if (reason < 0 && idle_timeout) { | |
2948 | long long int used; | |
2949 | ||
2950 | ovs_mutex_lock(&rule->stats_mutex); | |
1a4ec18d | 2951 | used = rule->stats.used; |
dc437090 JR |
2952 | ovs_mutex_unlock(&rule->stats_mutex); |
2953 | ||
2954 | if (now > used + idle_timeout * 1000) { | |
2955 | reason = OFPRR_IDLE_TIMEOUT; | |
2956 | } | |
f9c37233 | 2957 | } |
501f8d1f | 2958 | |
e79a6c83 EJ |
2959 | if (reason >= 0) { |
2960 | COVERAGE_INC(ofproto_dpif_expired); | |
2961 | ofproto_rule_expire(&rule->up, reason); | |
a41d7bf2 | 2962 | } |
e79a6c83 | 2963 | } |
a41d7bf2 | 2964 | |
e79a6c83 EJ |
2965 | /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'. |
2966 | * 'flow' must reflect the data in 'packet'. */ | |
2967 | int | |
2968 | ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto, | |
2969 | const struct flow *flow, | |
2970 | struct rule_dpif *rule, | |
2971 | const struct ofpact *ofpacts, size_t ofpacts_len, | |
2972 | struct ofpbuf *packet) | |
2973 | { | |
e79a6c83 EJ |
2974 | struct dpif_flow_stats stats; |
2975 | struct xlate_out xout; | |
2976 | struct xlate_in xin; | |
2977 | ofp_port_t in_port; | |
758c456d | 2978 | struct dpif_execute execute; |
e79a6c83 | 2979 | int error; |
f9c37233 | 2980 | |
e79a6c83 | 2981 | ovs_assert((rule != NULL) != (ofpacts != NULL)); |
501f8d1f | 2982 | |
e79a6c83 EJ |
2983 | dpif_flow_stats_extract(flow, packet, time_msec(), &stats); |
2984 | if (rule) { | |
2985 | rule_dpif_credit_stats(rule, &stats); | |
2986 | } | |
c84451a6 | 2987 | |
e79a6c83 EJ |
2988 | xlate_in_init(&xin, ofproto, flow, rule, stats.tcp_flags, packet); |
2989 | xin.ofpacts = ofpacts; | |
2990 | xin.ofpacts_len = ofpacts_len; | |
2991 | xin.resubmit_stats = &stats; | |
2992 | xlate_actions(&xin, &xout); | |
d445cc16 | 2993 | |
e79a6c83 EJ |
2994 | in_port = flow->in_port.ofp_port; |
2995 | if (in_port == OFPP_NONE) { | |
2996 | in_port = OFPP_LOCAL; | |
501f8d1f | 2997 | } |
758c456d JR |
2998 | execute.actions = xout.odp_actions.data; |
2999 | execute.actions_len = xout.odp_actions.size; | |
3000 | execute.packet = packet; | |
3001 | execute.md.tunnel = flow->tunnel; | |
3002 | execute.md.skb_priority = flow->skb_priority; | |
3003 | execute.md.pkt_mark = flow->pkt_mark; | |
b5e7e61a | 3004 | execute.md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port); |
758c456d JR |
3005 | execute.needs_help = (xout.slow & SLOW_ACTION) != 0; |
3006 | ||
3007 | error = dpif_execute(ofproto->backer->dpif, &execute); | |
501f8d1f | 3008 | |
e79a6c83 | 3009 | xlate_out_uninit(&xout); |
9d6ac44e | 3010 | |
e79a6c83 | 3011 | return error; |
9d6ac44e BP |
3012 | } |
3013 | ||
e79a6c83 EJ |
3014 | void |
3015 | rule_dpif_credit_stats(struct rule_dpif *rule, | |
3016 | const struct dpif_flow_stats *stats) | |
8f73d537 | 3017 | { |
e79a6c83 | 3018 | ovs_mutex_lock(&rule->stats_mutex); |
1a4ec18d JS |
3019 | rule->stats.n_packets += stats->n_packets; |
3020 | rule->stats.n_bytes += stats->n_bytes; | |
3021 | rule->stats.used = MAX(rule->stats.used, stats->used); | |
e79a6c83 | 3022 | ovs_mutex_unlock(&rule->stats_mutex); |
8f73d537 EJ |
3023 | } |
3024 | ||
e79a6c83 EJ |
3025 | bool |
3026 | rule_dpif_is_fail_open(const struct rule_dpif *rule) | |
8f73d537 | 3027 | { |
e79a6c83 EJ |
3028 | return is_fail_open_rule(&rule->up); |
3029 | } | |
e1ec7dd4 | 3030 | |
e79a6c83 EJ |
3031 | bool |
3032 | rule_dpif_is_table_miss(const struct rule_dpif *rule) | |
3033 | { | |
3034 | return rule_is_table_miss(&rule->up); | |
8f73d537 EJ |
3035 | } |
3036 | ||
32260212 SH |
3037 | bool |
3038 | rule_dpif_is_internal(const struct rule_dpif *rule) | |
3039 | { | |
3040 | return rule_is_internal(&rule->up); | |
3041 | } | |
3042 | ||
e79a6c83 EJ |
3043 | ovs_be64 |
3044 | rule_dpif_get_flow_cookie(const struct rule_dpif *rule) | |
3045 | OVS_REQUIRES(rule->up.mutex) | |
3046 | { | |
3047 | return rule->up.flow_cookie; | |
3048 | } | |
cfd5c9eb | 3049 | |
e79a6c83 EJ |
3050 | void |
3051 | rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout, | |
3052 | uint16_t hard_timeout) | |
3053 | { | |
3054 | ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout); | |
6a7e895f BP |
3055 | } |
3056 | ||
e79a6c83 EJ |
3057 | /* Returns 'rule''s actions. The caller owns a reference on the returned |
3058 | * actions and must eventually release it (with rule_actions_unref()) to avoid | |
3059 | * a memory leak. */ | |
3060 | struct rule_actions * | |
3061 | rule_dpif_get_actions(const struct rule_dpif *rule) | |
6ff686f2 | 3062 | { |
e79a6c83 EJ |
3063 | return rule_get_actions(&rule->up); |
3064 | } | |
abe529af | 3065 | |
6d328fa2 SH |
3066 | /* Lookup 'flow' in table 0 of 'ofproto''s classifier. |
3067 | * If 'wc' is non-null, sets the fields that were relevant as part of | |
3068 | * the lookup. Returns the table_id where a match or miss occurred. | |
3069 | * | |
3070 | * The return value will be zero unless there was a miss and | |
3071 | * OFPTC_TABLE_MISS_CONTINUE is in effect for the sequence of tables | |
3072 | * where misses occur. */ | |
3073 | uint8_t | |
bcd2633a | 3074 | rule_dpif_lookup(struct ofproto_dpif *ofproto, const struct flow *flow, |
ad3efdcb | 3075 | struct flow_wildcards *wc, struct rule_dpif **rule) |
c57b2226 | 3076 | { |
6d328fa2 SH |
3077 | enum rule_dpif_lookup_verdict verdict; |
3078 | enum ofputil_port_config config = 0; | |
3079 | uint8_t table_id = 0; | |
c57b2226 | 3080 | |
6d328fa2 SH |
3081 | verdict = rule_dpif_lookup_from_table(ofproto, flow, wc, true, |
3082 | &table_id, rule); | |
3083 | ||
3084 | switch (verdict) { | |
3085 | case RULE_DPIF_LOOKUP_VERDICT_MATCH: | |
3086 | return table_id; | |
3087 | case RULE_DPIF_LOOKUP_VERDICT_CONTROLLER: { | |
3088 | struct ofport_dpif *port; | |
3089 | ||
3090 | port = get_ofp_port(ofproto, flow->in_port.ofp_port); | |
3091 | if (!port) { | |
3092 | VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16, | |
3093 | flow->in_port.ofp_port); | |
3094 | } | |
3095 | config = port ? port->up.pp.config : 0; | |
3096 | break; | |
c57b2226 | 3097 | } |
6d328fa2 SH |
3098 | case RULE_DPIF_LOOKUP_VERDICT_DROP: |
3099 | config = OFPUTIL_PC_NO_PACKET_IN; | |
3100 | break; | |
3101 | default: | |
3102 | OVS_NOT_REACHED(); | |
ec89fc6f | 3103 | } |
c57b2226 | 3104 | |
6d328fa2 | 3105 | choose_miss_rule(config, ofproto->miss_rule, |
70742c7f | 3106 | ofproto->no_packet_in_rule, rule); |
6d328fa2 | 3107 | return table_id; |
c57b2226 BP |
3108 | } |
3109 | ||
6d328fa2 SH |
3110 | static struct rule_dpif * |
3111 | rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, uint8_t table_id, | |
3112 | const struct flow *flow, struct flow_wildcards *wc) | |
abe529af | 3113 | { |
6d328fa2 | 3114 | struct classifier *cls = &ofproto->up.tables[table_id].cls; |
49a0e0eb | 3115 | const struct cls_rule *cls_rule; |
6d328fa2 | 3116 | struct rule_dpif *rule; |
9cdaaebe | 3117 | |
6d328fa2 SH |
3118 | fat_rwlock_rdlock(&cls->rwlock); |
3119 | if (ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) { | |
3120 | if (wc) { | |
3121 | memset(&wc->masks.dl_type, 0xff, sizeof wc->masks.dl_type); | |
3122 | if (is_ip_any(flow)) { | |
3123 | wc->masks.nw_frag |= FLOW_NW_FRAG_MASK; | |
3124 | } | |
0934ebba | 3125 | } |
1dd35f8a | 3126 | |
6d328fa2 SH |
3127 | if (flow->nw_frag & FLOW_NW_FRAG_ANY) { |
3128 | if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) { | |
3129 | /* We must pretend that transport ports are unavailable. */ | |
3130 | struct flow ofpc_normal_flow = *flow; | |
3131 | ofpc_normal_flow.tp_src = htons(0); | |
3132 | ofpc_normal_flow.tp_dst = htons(0); | |
3133 | cls_rule = classifier_lookup(cls, &ofpc_normal_flow, wc); | |
3134 | } else { | |
3135 | /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM). */ | |
3136 | cls_rule = &ofproto->drop_frags_rule->up.cr; | |
3137 | } | |
3138 | } else { | |
3139 | cls_rule = classifier_lookup(cls, flow, wc); | |
3140 | } | |
7257b535 | 3141 | } else { |
bcd2633a | 3142 | cls_rule = classifier_lookup(cls, flow, wc); |
7257b535 | 3143 | } |
ad3efdcb | 3144 | |
6d328fa2 SH |
3145 | rule = rule_dpif_cast(rule_from_cls_rule(cls_rule)); |
3146 | rule_dpif_ref(rule); | |
06f81620 | 3147 | fat_rwlock_unlock(&cls->rwlock); |
ad3efdcb | 3148 | |
6d328fa2 SH |
3149 | return rule; |
3150 | } | |
3151 | ||
3152 | /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'. | |
3153 | * Stores the rule that was found in '*rule', or NULL if none was found. | |
3154 | * Updates 'wc', if nonnull, to reflect the fields that were used during the | |
3155 | * lookup. | |
3156 | * | |
3157 | * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but | |
3158 | * if none is found then the table miss configuration for that table is | |
3159 | * honored, which can result in additional lookups in other OpenFlow tables. | |
3160 | * In this case the function updates '*table_id' to reflect the final OpenFlow | |
3161 | * table that was searched. | |
3162 | * | |
3163 | * If 'honor_table_miss' is false, then only one table lookup occurs, in | |
3164 | * '*table_id'. | |
3165 | * | |
3166 | * Returns: | |
3167 | * | |
3168 | * - RULE_DPIF_LOOKUP_VERDICT_MATCH if a rule (in '*rule') was found. | |
3169 | * | |
3170 | * - RULE_DPIF_LOOKUP_VERDICT_DROP if no rule was found and a table miss | |
3171 | * configuration specified that the packet should be dropped in this | |
3172 | * case. (This occurs only if 'honor_table_miss' is true, because only in | |
3173 | * this case does the table miss configuration matter.) | |
3174 | * | |
3175 | * - RULE_DPIF_LOOKUP_VERDICT_CONTROLLER if no rule was found otherwise. */ | |
3176 | enum rule_dpif_lookup_verdict | |
3177 | rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto, | |
3178 | const struct flow *flow, | |
3179 | struct flow_wildcards *wc, | |
3180 | bool honor_table_miss, | |
3181 | uint8_t *table_id, struct rule_dpif **rule) | |
3182 | { | |
3183 | uint8_t next_id; | |
3184 | ||
3185 | for (next_id = *table_id; | |
3186 | next_id < ofproto->up.n_tables; | |
3187 | next_id++, next_id += (next_id == TBL_INTERNAL)) | |
3188 | { | |
3189 | *table_id = next_id; | |
3190 | *rule = rule_dpif_lookup_in_table(ofproto, *table_id, flow, wc); | |
3191 | if (*rule) { | |
3192 | return RULE_DPIF_LOOKUP_VERDICT_MATCH; | |
3193 | } else if (!honor_table_miss) { | |
3194 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; | |
3195 | } else { | |
3196 | switch (table_get_config(&ofproto->up, *table_id) | |
3197 | & OFPTC11_TABLE_MISS_MASK) { | |
3198 | case OFPTC11_TABLE_MISS_CONTINUE: | |
3199 | break; | |
3200 | ||
3201 | case OFPTC11_TABLE_MISS_CONTROLLER: | |
3202 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; | |
3203 | ||
3204 | case OFPTC11_TABLE_MISS_DROP: | |
3205 | return RULE_DPIF_LOOKUP_VERDICT_DROP; | |
3206 | } | |
3207 | } | |
3208 | } | |
3209 | ||
3210 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; | |
abe529af BP |
3211 | } |
3212 | ||
ec89fc6f EJ |
3213 | /* Given a port configuration (specified as zero if there's no port), chooses |
3214 | * which of 'miss_rule' and 'no_packet_in_rule' should be used in case of a | |
3215 | * flow table miss. */ | |
70742c7f | 3216 | void |
ec89fc6f | 3217 | choose_miss_rule(enum ofputil_port_config config, struct rule_dpif *miss_rule, |
70742c7f | 3218 | struct rule_dpif *no_packet_in_rule, struct rule_dpif **rule) |
c376f9a3 | 3219 | { |
70742c7f | 3220 | *rule = config & OFPUTIL_PC_NO_PACKET_IN ? no_packet_in_rule : miss_rule; |
a2143702 BP |
3221 | rule_dpif_ref(*rule); |
3222 | } | |
3223 | ||
3224 | void | |
3225 | rule_dpif_ref(struct rule_dpif *rule) | |
3226 | { | |
3227 | if (rule) { | |
3228 | ofproto_rule_ref(&rule->up); | |
3229 | } | |
c376f9a3 IY |
3230 | } |
3231 | ||
ad3efdcb | 3232 | void |
a2143702 | 3233 | rule_dpif_unref(struct rule_dpif *rule) |
ad3efdcb EJ |
3234 | { |
3235 | if (rule) { | |
a2143702 | 3236 | ofproto_rule_unref(&rule->up); |
ad3efdcb EJ |
3237 | } |
3238 | } | |
3239 | ||
7ee20df1 BP |
3240 | static void |
3241 | complete_operation(struct rule_dpif *rule) | |
15aaf599 | 3242 | OVS_REQUIRES(ofproto_mutex) |
7ee20df1 BP |
3243 | { |
3244 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); | |
3245 | ||
a1616063 | 3246 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
35232d32 | 3247 | ofoperation_complete(rule->up.pending, 0); |
7ee20df1 BP |
3248 | } |
3249 | ||
70742c7f EJ |
3250 | static struct rule_dpif *rule_dpif_cast(const struct rule *rule) |
3251 | { | |
3252 | return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL; | |
3253 | } | |
3254 | ||
abe529af BP |
3255 | static struct rule * |
3256 | rule_alloc(void) | |
3257 | { | |
3258 | struct rule_dpif *rule = xmalloc(sizeof *rule); | |
3259 | return &rule->up; | |
3260 | } | |
3261 | ||
3262 | static void | |
3263 | rule_dealloc(struct rule *rule_) | |
3264 | { | |
3265 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3266 | free(rule); | |
3267 | } | |
3268 | ||
90bf1e07 | 3269 | static enum ofperr |
abe529af | 3270 | rule_construct(struct rule *rule_) |
dc437090 | 3271 | OVS_NO_THREAD_SAFETY_ANALYSIS |
abe529af BP |
3272 | { |
3273 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
97ba2d36 | 3274 | ovs_mutex_init_adaptive(&rule->stats_mutex); |
1a4ec18d JS |
3275 | rule->stats.n_packets = 0; |
3276 | rule->stats.n_bytes = 0; | |
3277 | rule->stats.used = rule->up.modified; | |
abe529af BP |
3278 | return 0; |
3279 | } | |
3280 | ||
3281 | static void | |
8037acb4 | 3282 | rule_insert(struct rule *rule_) |
15aaf599 | 3283 | OVS_REQUIRES(ofproto_mutex) |
abe529af | 3284 | { |
9fbe253e EJ |
3285 | struct rule_dpif *rule = rule_dpif_cast(rule_); |
3286 | complete_operation(rule); | |
8037acb4 BP |
3287 | } |
3288 | ||
3289 | static void | |
3290 | rule_delete(struct rule *rule_) | |
15aaf599 | 3291 | OVS_REQUIRES(ofproto_mutex) |
8037acb4 BP |
3292 | { |
3293 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3294 | complete_operation(rule); | |
3295 | } | |
3296 | ||
3297 | static void | |
3298 | rule_destruct(struct rule *rule_) | |
3299 | { | |
3300 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
9fbe253e | 3301 | ovs_mutex_destroy(&rule->stats_mutex); |
abe529af BP |
3302 | } |
3303 | ||
3304 | static void | |
dc437090 JR |
3305 | rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes, |
3306 | long long int *used) | |
abe529af BP |
3307 | { |
3308 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
abe529af | 3309 | |
9fbe253e | 3310 | ovs_mutex_lock(&rule->stats_mutex); |
1a4ec18d JS |
3311 | *packets = rule->stats.n_packets; |
3312 | *bytes = rule->stats.n_bytes; | |
3313 | *used = rule->stats.used; | |
9fbe253e | 3314 | ovs_mutex_unlock(&rule->stats_mutex); |
abe529af BP |
3315 | } |
3316 | ||
0a740f48 EJ |
3317 | static void |
3318 | rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow, | |
3319 | struct ofpbuf *packet) | |
abe529af | 3320 | { |
419460f4 AW |
3321 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); |
3322 | ||
3323 | ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet); | |
0a740f48 | 3324 | } |
5bf0e941 | 3325 | |
0a740f48 EJ |
3326 | static enum ofperr |
3327 | rule_execute(struct rule *rule, const struct flow *flow, | |
3328 | struct ofpbuf *packet) | |
3329 | { | |
3330 | rule_dpif_execute(rule_dpif_cast(rule), flow, packet); | |
3331 | ofpbuf_delete(packet); | |
5bf0e941 | 3332 | return 0; |
abe529af BP |
3333 | } |
3334 | ||
7ee20df1 | 3335 | static void |
b277c7cc | 3336 | rule_modify_actions(struct rule *rule_, bool reset_counters) |
15aaf599 | 3337 | OVS_REQUIRES(ofproto_mutex) |
abe529af BP |
3338 | { |
3339 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
7ee20df1 | 3340 | |
b277c7cc BP |
3341 | if (reset_counters) { |
3342 | ovs_mutex_lock(&rule->stats_mutex); | |
1a4ec18d JS |
3343 | rule->stats.n_packets = 0; |
3344 | rule->stats.n_bytes = 0; | |
b277c7cc BP |
3345 | ovs_mutex_unlock(&rule->stats_mutex); |
3346 | } | |
3347 | ||
7ee20df1 | 3348 | complete_operation(rule); |
abe529af | 3349 | } |
00430a3f SH |
3350 | |
3351 | static struct group_dpif *group_dpif_cast(const struct ofgroup *group) | |
3352 | { | |
3353 | return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL; | |
3354 | } | |
3355 | ||
3356 | static struct ofgroup * | |
3357 | group_alloc(void) | |
3358 | { | |
3359 | struct group_dpif *group = xzalloc(sizeof *group); | |
3360 | return &group->up; | |
3361 | } | |
3362 | ||
3363 | static void | |
3364 | group_dealloc(struct ofgroup *group_) | |
3365 | { | |
3366 | struct group_dpif *group = group_dpif_cast(group_); | |
3367 | free(group); | |
3368 | } | |
3369 | ||
3370 | static void | |
3371 | group_construct_stats(struct group_dpif *group) | |
3372 | OVS_REQUIRES(group->stats_mutex) | |
3373 | { | |
3374 | group->packet_count = 0; | |
3375 | group->byte_count = 0; | |
3376 | if (!group->bucket_stats) { | |
3377 | group->bucket_stats = xcalloc(group->up.n_buckets, | |
3378 | sizeof *group->bucket_stats); | |
3379 | } else { | |
3380 | memset(group->bucket_stats, 0, group->up.n_buckets * | |
3381 | sizeof *group->bucket_stats); | |
3382 | } | |
3383 | } | |
3384 | ||
3385 | static enum ofperr | |
3386 | group_construct(struct ofgroup *group_) | |
3387 | { | |
3388 | struct group_dpif *group = group_dpif_cast(group_); | |
5a070238 BP |
3389 | const struct ofputil_bucket *bucket; |
3390 | ||
3391 | /* Prevent group chaining because our locking structure makes it hard to | |
3392 | * implement deadlock-free. (See xlate_group_resource_check().) */ | |
3393 | LIST_FOR_EACH (bucket, list_node, &group->up.buckets) { | |
3394 | const struct ofpact *a; | |
3395 | ||
3396 | OFPACT_FOR_EACH (a, bucket->ofpacts, bucket->ofpacts_len) { | |
3397 | if (a->type == OFPACT_GROUP) { | |
3398 | return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED; | |
3399 | } | |
3400 | } | |
3401 | } | |
3402 | ||
97ba2d36 | 3403 | ovs_mutex_init_adaptive(&group->stats_mutex); |
00430a3f SH |
3404 | ovs_mutex_lock(&group->stats_mutex); |
3405 | group_construct_stats(group); | |
3406 | ovs_mutex_unlock(&group->stats_mutex); | |
3407 | return 0; | |
3408 | } | |
3409 | ||
3410 | static void | |
3411 | group_destruct__(struct group_dpif *group) | |
3412 | OVS_REQUIRES(group->stats_mutex) | |
3413 | { | |
3414 | free(group->bucket_stats); | |
3415 | group->bucket_stats = NULL; | |
3416 | } | |
3417 | ||
3418 | static void | |
3419 | group_destruct(struct ofgroup *group_) | |
3420 | { | |
3421 | struct group_dpif *group = group_dpif_cast(group_); | |
3422 | ovs_mutex_lock(&group->stats_mutex); | |
3423 | group_destruct__(group); | |
3424 | ovs_mutex_unlock(&group->stats_mutex); | |
3425 | ovs_mutex_destroy(&group->stats_mutex); | |
3426 | } | |
3427 | ||
3428 | static enum ofperr | |
3429 | group_modify(struct ofgroup *group_, struct ofgroup *victim_) | |
3430 | { | |
4c9dbc0b | 3431 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto); |
00430a3f SH |
3432 | struct group_dpif *group = group_dpif_cast(group_); |
3433 | struct group_dpif *victim = group_dpif_cast(victim_); | |
3434 | ||
3435 | ovs_mutex_lock(&group->stats_mutex); | |
3436 | if (victim->up.n_buckets < group->up.n_buckets) { | |
3437 | group_destruct__(group); | |
3438 | } | |
3439 | group_construct_stats(group); | |
3440 | ovs_mutex_unlock(&group->stats_mutex); | |
3441 | ||
4c9dbc0b BP |
3442 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
3443 | ||
00430a3f SH |
3444 | return 0; |
3445 | } | |
3446 | ||
3447 | static enum ofperr | |
3448 | group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs) | |
3449 | { | |
3450 | struct group_dpif *group = group_dpif_cast(group_); | |
3451 | ||
00430a3f SH |
3452 | ovs_mutex_lock(&group->stats_mutex); |
3453 | ogs->packet_count = group->packet_count; | |
3454 | ogs->byte_count = group->byte_count; | |
3455 | memcpy(ogs->bucket_stats, group->bucket_stats, | |
3456 | group->up.n_buckets * sizeof *group->bucket_stats); | |
3457 | ovs_mutex_unlock(&group->stats_mutex); | |
3458 | ||
3459 | return 0; | |
3460 | } | |
f4fb341b SH |
3461 | |
3462 | bool | |
3463 | group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id, | |
3464 | struct group_dpif **group) | |
3465 | OVS_TRY_RDLOCK(true, (*group)->up.rwlock) | |
3466 | { | |
3467 | struct ofgroup *ofgroup; | |
3468 | bool found; | |
3469 | ||
3470 | *group = NULL; | |
3471 | found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup); | |
3472 | *group = found ? group_dpif_cast(ofgroup) : NULL; | |
3473 | ||
3474 | return found; | |
3475 | } | |
3476 | ||
3477 | void | |
3478 | group_dpif_release(struct group_dpif *group) | |
3479 | OVS_RELEASES(group->up.rwlock) | |
3480 | { | |
3481 | ofproto_group_release(&group->up); | |
3482 | } | |
3483 | ||
3484 | void | |
3485 | group_dpif_get_buckets(const struct group_dpif *group, | |
3486 | const struct list **buckets) | |
3487 | { | |
3488 | *buckets = &group->up.buckets; | |
3489 | } | |
3490 | ||
3491 | enum ofp11_group_type | |
3492 | group_dpif_get_type(const struct group_dpif *group) | |
3493 | { | |
3494 | return group->up.type; | |
3495 | } | |
abe529af | 3496 | \f |
97d6520b | 3497 | /* Sends 'packet' out 'ofport'. |
52a90c29 | 3498 | * May modify 'packet'. |
abe529af | 3499 | * Returns 0 if successful, otherwise a positive errno value. */ |
91d6cd12 AW |
3500 | int |
3501 | ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet) | |
abe529af | 3502 | { |
79e15b78 | 3503 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
abe529af BP |
3504 | int error; |
3505 | ||
91d6cd12 | 3506 | error = xlate_send_packet(ofport, packet); |
79e15b78 | 3507 | |
0da3c61b | 3508 | ovs_mutex_lock(&ofproto->stats_mutex); |
79e15b78 EJ |
3509 | ofproto->stats.tx_packets++; |
3510 | ofproto->stats.tx_bytes += packet->size; | |
0da3c61b | 3511 | ovs_mutex_unlock(&ofproto->stats_mutex); |
abe529af BP |
3512 | return error; |
3513 | } | |
9583bc14 EJ |
3514 | \f |
3515 | static bool | |
3516 | set_frag_handling(struct ofproto *ofproto_, | |
3517 | enum ofp_config_flags frag_handling) | |
abe529af BP |
3518 | { |
3519 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
7257b535 | 3520 | if (frag_handling != OFPC_FRAG_REASM) { |
2cc3c58e | 3521 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7257b535 BP |
3522 | return true; |
3523 | } else { | |
3524 | return false; | |
3525 | } | |
abe529af BP |
3526 | } |
3527 | ||
90bf1e07 | 3528 | static enum ofperr |
419460f4 | 3529 | packet_out(struct ofproto *ofproto_, struct ofpbuf *packet, |
abe529af | 3530 | const struct flow *flow, |
f25d0cf3 | 3531 | const struct ofpact *ofpacts, size_t ofpacts_len) |
abe529af | 3532 | { |
419460f4 AW |
3533 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
3534 | ||
3535 | ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts, | |
3536 | ofpacts_len, packet); | |
548de4dd | 3537 | return 0; |
abe529af | 3538 | } |
6fca1ffb BP |
3539 | \f |
3540 | /* NetFlow. */ | |
3541 | ||
3542 | static int | |
3543 | set_netflow(struct ofproto *ofproto_, | |
3544 | const struct netflow_options *netflow_options) | |
3545 | { | |
3546 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3547 | ||
3548 | if (netflow_options) { | |
3549 | if (!ofproto->netflow) { | |
3550 | ofproto->netflow = netflow_create(); | |
7bab1576 | 3551 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6fca1ffb BP |
3552 | } |
3553 | return netflow_set_options(ofproto->netflow, netflow_options); | |
7bab1576 EJ |
3554 | } else if (ofproto->netflow) { |
3555 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
8e407f27 | 3556 | netflow_unref(ofproto->netflow); |
6fca1ffb | 3557 | ofproto->netflow = NULL; |
6fca1ffb | 3558 | } |
7bab1576 EJ |
3559 | |
3560 | return 0; | |
6fca1ffb | 3561 | } |
abe529af BP |
3562 | |
3563 | static void | |
3564 | get_netflow_ids(const struct ofproto *ofproto_, | |
3565 | uint8_t *engine_type, uint8_t *engine_id) | |
3566 | { | |
3567 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3568 | ||
acf60855 | 3569 | dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id); |
abe529af BP |
3570 | } |
3571 | \f | |
3572 | static struct ofproto_dpif * | |
3573 | ofproto_dpif_lookup(const char *name) | |
3574 | { | |
b44a10b7 BP |
3575 | struct ofproto_dpif *ofproto; |
3576 | ||
3577 | HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node, | |
3578 | hash_string(name, 0), &all_ofproto_dpifs) { | |
3579 | if (!strcmp(ofproto->up.name, name)) { | |
3580 | return ofproto; | |
3581 | } | |
3582 | } | |
3583 | return NULL; | |
abe529af BP |
3584 | } |
3585 | ||
f0a3aa2e | 3586 | static void |
96e466a3 | 3587 | ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc, |
0e15264f | 3588 | const char *argv[], void *aux OVS_UNUSED) |
f0a3aa2e | 3589 | { |
490df1ef | 3590 | struct ofproto_dpif *ofproto; |
f0a3aa2e | 3591 | |
96e466a3 EJ |
3592 | if (argc > 1) { |
3593 | ofproto = ofproto_dpif_lookup(argv[1]); | |
3594 | if (!ofproto) { | |
bde9f75d | 3595 | unixctl_command_reply_error(conn, "no such bridge"); |
96e466a3 EJ |
3596 | return; |
3597 | } | |
509c0149 | 3598 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 3599 | mac_learning_flush(ofproto->ml); |
509c0149 | 3600 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 EJ |
3601 | } else { |
3602 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
509c0149 | 3603 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 3604 | mac_learning_flush(ofproto->ml); |
509c0149 | 3605 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 | 3606 | } |
f0a3aa2e | 3607 | } |
f0a3aa2e | 3608 | |
bde9f75d | 3609 | unixctl_command_reply(conn, "table successfully flushed"); |
f0a3aa2e AA |
3610 | } |
3611 | ||
46c88433 EJ |
3612 | static struct ofport_dpif * |
3613 | ofbundle_get_a_port(const struct ofbundle *bundle) | |
3614 | { | |
3615 | return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif, | |
3616 | bundle_node); | |
3617 | } | |
3618 | ||
abe529af | 3619 | static void |
0e15264f BP |
3620 | ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
3621 | const char *argv[], void *aux OVS_UNUSED) | |
abe529af BP |
3622 | { |
3623 | struct ds ds = DS_EMPTY_INITIALIZER; | |
3624 | const struct ofproto_dpif *ofproto; | |
3625 | const struct mac_entry *e; | |
3626 | ||
0e15264f | 3627 | ofproto = ofproto_dpif_lookup(argv[1]); |
abe529af | 3628 | if (!ofproto) { |
bde9f75d | 3629 | unixctl_command_reply_error(conn, "no such bridge"); |
abe529af BP |
3630 | return; |
3631 | } | |
3632 | ||
3633 | ds_put_cstr(&ds, " port VLAN MAC Age\n"); | |
509c0149 | 3634 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
3635 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
3636 | struct ofbundle *bundle = e->port.p; | |
ad28062f BP |
3637 | char name[OFP_MAX_PORT_NAME_LEN]; |
3638 | ||
3639 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
3640 | name, sizeof name); | |
3641 | ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n", | |
3642 | name, e->vlan, ETH_ADDR_ARGS(e->mac), | |
e764773c | 3643 | mac_entry_age(ofproto->ml, e)); |
abe529af | 3644 | } |
509c0149 | 3645 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
bde9f75d | 3646 | unixctl_command_reply(conn, ds_cstr(&ds)); |
abe529af BP |
3647 | ds_destroy(&ds); |
3648 | } | |
3649 | ||
6a6455e5 | 3650 | struct trace_ctx { |
bbafd73b EJ |
3651 | struct xlate_out xout; |
3652 | struct xlate_in xin; | |
abe529af | 3653 | struct flow flow; |
41a91a0b | 3654 | struct flow_wildcards wc; |
abe529af BP |
3655 | struct ds *result; |
3656 | }; | |
3657 | ||
3658 | static void | |
4d0acc70 | 3659 | trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule) |
abe529af | 3660 | { |
15aaf599 BP |
3661 | struct rule_actions *actions; |
3662 | ovs_be64 cookie; | |
3663 | ||
abe529af BP |
3664 | ds_put_char_multiple(result, '\t', level); |
3665 | if (!rule) { | |
3666 | ds_put_cstr(result, "No match\n"); | |
3667 | return; | |
3668 | } | |
3669 | ||
15aaf599 BP |
3670 | ovs_mutex_lock(&rule->up.mutex); |
3671 | cookie = rule->up.flow_cookie; | |
3672 | ovs_mutex_unlock(&rule->up.mutex); | |
3673 | ||
29901626 | 3674 | ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ", |
15aaf599 | 3675 | rule ? rule->up.table_id : 0, ntohll(cookie)); |
79feb7df | 3676 | cls_rule_format(&rule->up.cr, result); |
abe529af BP |
3677 | ds_put_char(result, '\n'); |
3678 | ||
15aaf599 BP |
3679 | actions = rule_dpif_get_actions(rule); |
3680 | ||
abe529af | 3681 | ds_put_char_multiple(result, '\t', level); |
455ecd77 | 3682 | ds_put_cstr(result, "OpenFlow actions="); |
15aaf599 | 3683 | ofpacts_format(actions->ofpacts, actions->ofpacts_len, result); |
abe529af BP |
3684 | ds_put_char(result, '\n'); |
3685 | } | |
3686 | ||
3687 | static void | |
3688 | trace_format_flow(struct ds *result, int level, const char *title, | |
bbafd73b | 3689 | struct trace_ctx *trace) |
abe529af BP |
3690 | { |
3691 | ds_put_char_multiple(result, '\t', level); | |
3692 | ds_put_format(result, "%s: ", title); | |
bbafd73b | 3693 | if (flow_equal(&trace->xin.flow, &trace->flow)) { |
abe529af BP |
3694 | ds_put_cstr(result, "unchanged"); |
3695 | } else { | |
bbafd73b EJ |
3696 | flow_format(result, &trace->xin.flow); |
3697 | trace->flow = trace->xin.flow; | |
abe529af BP |
3698 | } |
3699 | ds_put_char(result, '\n'); | |
3700 | } | |
3701 | ||
eb9e1c26 EJ |
3702 | static void |
3703 | trace_format_regs(struct ds *result, int level, const char *title, | |
6a6455e5 | 3704 | struct trace_ctx *trace) |
eb9e1c26 EJ |
3705 | { |
3706 | size_t i; | |
3707 | ||
3708 | ds_put_char_multiple(result, '\t', level); | |
3709 | ds_put_format(result, "%s:", title); | |
3710 | for (i = 0; i < FLOW_N_REGS; i++) { | |
34582733 | 3711 | ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]); |
eb9e1c26 EJ |
3712 | } |
3713 | ds_put_char(result, '\n'); | |
3714 | } | |
3715 | ||
1ed8d352 EJ |
3716 | static void |
3717 | trace_format_odp(struct ds *result, int level, const char *title, | |
6a6455e5 | 3718 | struct trace_ctx *trace) |
1ed8d352 | 3719 | { |
bbafd73b | 3720 | struct ofpbuf *odp_actions = &trace->xout.odp_actions; |
1ed8d352 EJ |
3721 | |
3722 | ds_put_char_multiple(result, '\t', level); | |
3723 | ds_put_format(result, "%s: ", title); | |
3724 | format_odp_actions(result, odp_actions->data, odp_actions->size); | |
3725 | ds_put_char(result, '\n'); | |
3726 | } | |
3727 | ||
41a91a0b AW |
3728 | static void |
3729 | trace_format_megaflow(struct ds *result, int level, const char *title, | |
3730 | struct trace_ctx *trace) | |
3731 | { | |
3732 | struct match match; | |
3733 | ||
3734 | ds_put_char_multiple(result, '\t', level); | |
3735 | ds_put_format(result, "%s: ", title); | |
3736 | flow_wildcards_or(&trace->wc, &trace->xout.wc, &trace->wc); | |
3737 | match_init(&match, &trace->flow, &trace->wc); | |
3738 | match_format(&match, result, OFP_DEFAULT_PRIORITY); | |
3739 | ds_put_char(result, '\n'); | |
3740 | } | |
3741 | ||
abe529af | 3742 | static void |
4d0acc70 | 3743 | trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse) |
abe529af | 3744 | { |
4d0acc70 | 3745 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
abe529af BP |
3746 | struct ds *result = trace->result; |
3747 | ||
3748 | ds_put_char(result, '\n'); | |
4d0acc70 EJ |
3749 | trace_format_flow(result, recurse + 1, "Resubmitted flow", trace); |
3750 | trace_format_regs(result, recurse + 1, "Resubmitted regs", trace); | |
3751 | trace_format_odp(result, recurse + 1, "Resubmitted odp", trace); | |
41a91a0b | 3752 | trace_format_megaflow(result, recurse + 1, "Resubmitted megaflow", trace); |
4d0acc70 | 3753 | trace_format_rule(result, recurse + 1, rule); |
abe529af BP |
3754 | } |
3755 | ||
479df176 | 3756 | static void |
4d0acc70 | 3757 | trace_report(struct xlate_in *xin, const char *s, int recurse) |
479df176 | 3758 | { |
4d0acc70 | 3759 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
479df176 BP |
3760 | struct ds *result = trace->result; |
3761 | ||
4d0acc70 | 3762 | ds_put_char_multiple(result, '\t', recurse); |
479df176 BP |
3763 | ds_put_cstr(result, s); |
3764 | ds_put_char(result, '\n'); | |
3765 | } | |
3766 | ||
b6f00895 BP |
3767 | /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following |
3768 | * forms are supported: | |
3769 | * | |
3770 | * - [dpname] odp_flow [-generate | packet] | |
3771 | * - bridge br_flow [-generate | packet] | |
3772 | * | |
3773 | * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure | |
316078c7 JR |
3774 | * returns a nonnull malloced error message. */ |
3775 | static char * WARN_UNUSED_RESULT | |
b6f00895 BP |
3776 | parse_flow_and_packet(int argc, const char *argv[], |
3777 | struct ofproto_dpif **ofprotop, struct flow *flow, | |
3778 | struct ofpbuf **packetp) | |
abe529af | 3779 | { |
0a37839c | 3780 | const struct dpif_backer *backer = NULL; |
b6f00895 | 3781 | const char *error = NULL; |
316078c7 | 3782 | char *m_err = NULL; |
b6f00895 | 3783 | struct simap port_names = SIMAP_INITIALIZER(&port_names); |
876b0e1c | 3784 | struct ofpbuf *packet; |
b6f00895 BP |
3785 | struct ofpbuf odp_key; |
3786 | struct ofpbuf odp_mask; | |
abe529af | 3787 | |
50aa28fd | 3788 | ofpbuf_init(&odp_key, 0); |
ea5e3887 | 3789 | ofpbuf_init(&odp_mask, 0); |
abe529af | 3790 | |
50aa28fd AW |
3791 | /* Handle "-generate" or a hex string as the last argument. */ |
3792 | if (!strcmp(argv[argc - 1], "-generate")) { | |
3793 | packet = ofpbuf_new(0); | |
3794 | argc--; | |
3795 | } else { | |
b6f00895 | 3796 | error = eth_from_hex(argv[argc - 1], &packet); |
50aa28fd AW |
3797 | if (!error) { |
3798 | argc--; | |
3799 | } else if (argc == 4) { | |
3800 | /* The 3-argument form must end in "-generate' or a hex string. */ | |
50aa28fd AW |
3801 | goto exit; |
3802 | } | |
316078c7 | 3803 | error = NULL; |
e84173dc | 3804 | } |
876b0e1c | 3805 | |
0a37839c GS |
3806 | /* odp_flow can have its in_port specified as a name instead of port no. |
3807 | * We do not yet know whether a given flow is a odp_flow or a br_flow. | |
3808 | * But, to know whether a flow is odp_flow through odp_flow_from_string(), | |
3809 | * we need to create a simap of name to port no. */ | |
3810 | if (argc == 3) { | |
3811 | const char *dp_type; | |
3812 | if (!strncmp(argv[1], "ovs-", 4)) { | |
3813 | dp_type = argv[1] + 4; | |
3814 | } else { | |
3815 | dp_type = argv[1]; | |
3816 | } | |
3817 | backer = shash_find_data(&all_dpif_backers, dp_type); | |
b6f00895 | 3818 | } else if (argc == 2) { |
0a37839c GS |
3819 | struct shash_node *node; |
3820 | if (shash_count(&all_dpif_backers) == 1) { | |
3821 | node = shash_first(&all_dpif_backers); | |
3822 | backer = node->data; | |
3823 | } | |
b6f00895 BP |
3824 | } else { |
3825 | error = "Syntax error"; | |
3826 | goto exit; | |
0a37839c GS |
3827 | } |
3828 | if (backer && backer->dpif) { | |
3829 | struct dpif_port dpif_port; | |
3830 | struct dpif_port_dump port_dump; | |
3831 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) { | |
3832 | simap_put(&port_names, dpif_port.name, | |
3833 | odp_to_u32(dpif_port.port_no)); | |
3834 | } | |
3835 | } | |
3836 | ||
50aa28fd AW |
3837 | /* Parse the flow and determine whether a datapath or |
3838 | * bridge is specified. If function odp_flow_key_from_string() | |
3839 | * returns 0, the flow is a odp_flow. If function | |
316078c7 | 3840 | * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */ |
b6f00895 BP |
3841 | if (!odp_flow_from_string(argv[argc - 1], &port_names, |
3842 | &odp_key, &odp_mask)) { | |
0a37839c | 3843 | if (!backer) { |
b6f00895 | 3844 | error = "Cannot find the datapath"; |
0a37839c | 3845 | goto exit; |
876b0e1c | 3846 | } |
8b3b8dd1 | 3847 | |
b6f00895 | 3848 | if (xlate_receive(backer, NULL, odp_key.data, odp_key.size, flow, |
836fbda7 | 3849 | ofprotop, NULL, NULL, NULL, NULL)) { |
b6f00895 | 3850 | error = "Invalid datapath flow"; |
50aa28fd | 3851 | goto exit; |
8b3b8dd1 | 3852 | } |
316078c7 JR |
3853 | } else { |
3854 | char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL); | |
876b0e1c | 3855 | |
316078c7 JR |
3856 | if (err) { |
3857 | m_err = xasprintf("Bad flow syntax: %s", err); | |
3858 | free(err); | |
50aa28fd | 3859 | goto exit; |
316078c7 JR |
3860 | } else { |
3861 | if (argc != 3) { | |
3862 | error = "Must specify bridge name"; | |
3863 | goto exit; | |
3864 | } | |
3865 | ||
3866 | *ofprotop = ofproto_dpif_lookup(argv[1]); | |
3867 | if (!*ofprotop) { | |
3868 | error = "Unknown bridge name"; | |
3869 | goto exit; | |
3870 | } | |
50aa28fd | 3871 | } |
abe529af BP |
3872 | } |
3873 | ||
50aa28fd AW |
3874 | /* Generate a packet, if requested. */ |
3875 | if (packet) { | |
3876 | if (!packet->size) { | |
b6f00895 | 3877 | flow_compose(packet, flow); |
50aa28fd | 3878 | } else { |
03fbdf8d | 3879 | struct pkt_metadata md = PKT_METADATA_INITIALIZER_FLOW(flow); |
50aa28fd AW |
3880 | |
3881 | /* Use the metadata from the flow and the packet argument | |
3882 | * to reconstruct the flow. */ | |
b5e7e61a | 3883 | flow_extract(packet, &md, flow); |
50aa28fd AW |
3884 | } |
3885 | } | |
3886 | ||
6a6455e5 | 3887 | exit: |
316078c7 JR |
3888 | if (error && !m_err) { |
3889 | m_err = xstrdup(error); | |
3890 | } | |
3891 | if (m_err) { | |
b6f00895 BP |
3892 | ofpbuf_delete(packet); |
3893 | packet = NULL; | |
3894 | } | |
3895 | *packetp = packet; | |
6a6455e5 | 3896 | ofpbuf_uninit(&odp_key); |
ea5e3887 | 3897 | ofpbuf_uninit(&odp_mask); |
0a37839c | 3898 | simap_destroy(&port_names); |
316078c7 | 3899 | return m_err; |
b6f00895 BP |
3900 | } |
3901 | ||
3902 | static void | |
3903 | ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[], | |
3904 | void *aux OVS_UNUSED) | |
3905 | { | |
3906 | struct ofproto_dpif *ofproto; | |
3907 | struct ofpbuf *packet; | |
316078c7 | 3908 | char *error; |
b6f00895 BP |
3909 | struct flow flow; |
3910 | ||
3911 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
3912 | if (!error) { | |
3913 | struct ds result; | |
3914 | ||
3915 | ds_init(&result); | |
aee0979b | 3916 | ofproto_trace(ofproto, &flow, packet, NULL, 0, &result); |
b6f00895 BP |
3917 | unixctl_command_reply(conn, ds_cstr(&result)); |
3918 | ds_destroy(&result); | |
3919 | ofpbuf_delete(packet); | |
3920 | } else { | |
3921 | unixctl_command_reply_error(conn, error); | |
316078c7 | 3922 | free(error); |
b6f00895 | 3923 | } |
6a6455e5 EJ |
3924 | } |
3925 | ||
aee0979b BP |
3926 | static void |
3927 | ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc, | |
3928 | const char *argv[], void *aux OVS_UNUSED) | |
3929 | { | |
3930 | enum ofputil_protocol usable_protocols; | |
3931 | struct ofproto_dpif *ofproto; | |
3932 | bool enforce_consistency; | |
3933 | struct ofpbuf ofpacts; | |
3934 | struct ofpbuf *packet; | |
3935 | struct ds result; | |
3936 | struct flow flow; | |
3937 | uint16_t in_port; | |
3938 | ||
3939 | /* Three kinds of error return values! */ | |
3940 | enum ofperr retval; | |
316078c7 | 3941 | char *error; |
aee0979b BP |
3942 | |
3943 | packet = NULL; | |
3944 | ds_init(&result); | |
3945 | ofpbuf_init(&ofpacts, 0); | |
3946 | ||
3947 | /* Parse actions. */ | |
316078c7 JR |
3948 | error = parse_ofpacts(argv[--argc], &ofpacts, &usable_protocols); |
3949 | if (error) { | |
3950 | unixctl_command_reply_error(conn, error); | |
3951 | free(error); | |
aee0979b BP |
3952 | goto exit; |
3953 | } | |
3954 | ||
3955 | /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of | |
ba2fe8e9 BP |
3956 | * consistency between the flow and the actions. With -consistent, we |
3957 | * enforce consistency even for a flow supported in OpenFlow 1.0. */ | |
aee0979b BP |
3958 | if (!strcmp(argv[1], "-consistent")) { |
3959 | enforce_consistency = true; | |
3960 | argv++; | |
3961 | argc--; | |
ba2fe8e9 BP |
3962 | } else { |
3963 | enforce_consistency = false; | |
aee0979b BP |
3964 | } |
3965 | ||
3966 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
3967 | if (error) { | |
3968 | unixctl_command_reply_error(conn, error); | |
316078c7 | 3969 | free(error); |
aee0979b BP |
3970 | goto exit; |
3971 | } | |
3972 | ||
3973 | /* Do the same checks as handle_packet_out() in ofproto.c. | |
3974 | * | |
3975 | * We pass a 'table_id' of 0 to ofproto_check_ofpacts(), which isn't | |
3976 | * strictly correct because these actions aren't in any table, but it's OK | |
3977 | * because it 'table_id' is used only to check goto_table instructions, but | |
3978 | * packet-outs take a list of actions and therefore it can't include | |
3979 | * instructions. | |
3980 | * | |
3981 | * We skip the "meter" check here because meter is an instruction, not an | |
3982 | * action, and thus cannot appear in ofpacts. */ | |
3983 | in_port = ofp_to_u16(flow.in_port.ofp_port); | |
3984 | if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) { | |
3985 | unixctl_command_reply_error(conn, "invalid in_port"); | |
3986 | goto exit; | |
3987 | } | |
ba2fe8e9 BP |
3988 | if (enforce_consistency) { |
3989 | retval = ofpacts_check_consistency(ofpacts.data, ofpacts.size, &flow, | |
3990 | u16_to_ofp(ofproto->up.max_ports), | |
3991 | 0, 0, usable_protocols); | |
3992 | } else { | |
3993 | retval = ofpacts_check(ofpacts.data, ofpacts.size, &flow, | |
3994 | u16_to_ofp(ofproto->up.max_ports), 0, 0, | |
3995 | &usable_protocols); | |
3996 | } | |
3997 | ||
aee0979b BP |
3998 | if (retval) { |
3999 | ds_clear(&result); | |
4000 | ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval)); | |
4001 | unixctl_command_reply_error(conn, ds_cstr(&result)); | |
4002 | goto exit; | |
4003 | } | |
4004 | ||
4005 | ofproto_trace(ofproto, &flow, packet, ofpacts.data, ofpacts.size, &result); | |
4006 | unixctl_command_reply(conn, ds_cstr(&result)); | |
4007 | ||
4008 | exit: | |
4009 | ds_destroy(&result); | |
4010 | ofpbuf_delete(packet); | |
4011 | ofpbuf_uninit(&ofpacts); | |
4012 | } | |
4013 | ||
4014 | /* Implements a "trace" through 'ofproto''s flow table, appending a textual | |
4015 | * description of the results to 'ds'. | |
4016 | * | |
4017 | * The trace follows a packet with the specified 'flow' through the flow | |
4018 | * table. 'packet' may be nonnull to trace an actual packet, with consequent | |
4019 | * side effects (if it is nonnull then its flow must be 'flow'). | |
4020 | * | |
4021 | * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to | |
4022 | * trace, otherwise the actions are determined by a flow table lookup. */ | |
ade6ad9c | 4023 | static void |
6a6455e5 | 4024 | ofproto_trace(struct ofproto_dpif *ofproto, const struct flow *flow, |
aee0979b BP |
4025 | const struct ofpbuf *packet, |
4026 | const struct ofpact ofpacts[], size_t ofpacts_len, | |
4027 | struct ds *ds) | |
6a6455e5 EJ |
4028 | { |
4029 | struct rule_dpif *rule; | |
41a91a0b | 4030 | struct trace_ctx trace; |
6a6455e5 | 4031 | |
aee0979b | 4032 | ds_put_format(ds, "Bridge: %s\n", ofproto->up.name); |
6a6455e5 EJ |
4033 | ds_put_cstr(ds, "Flow: "); |
4034 | flow_format(ds, flow); | |
4035 | ds_put_char(ds, '\n'); | |
abe529af | 4036 | |
41a91a0b | 4037 | flow_wildcards_init_catchall(&trace.wc); |
aee0979b BP |
4038 | if (ofpacts) { |
4039 | rule = NULL; | |
4040 | } else { | |
41a91a0b | 4041 | rule_dpif_lookup(ofproto, flow, &trace.wc, &rule); |
aee0979b BP |
4042 | |
4043 | trace_format_rule(ds, 0, rule); | |
4044 | if (rule == ofproto->miss_rule) { | |
4045 | ds_put_cstr(ds, "\nNo match, flow generates \"packet in\"s.\n"); | |
4046 | } else if (rule == ofproto->no_packet_in_rule) { | |
4047 | ds_put_cstr(ds, "\nNo match, packets dropped because " | |
4048 | "OFPPC_NO_PACKET_IN is set on in_port.\n"); | |
4049 | } else if (rule == ofproto->drop_frags_rule) { | |
4050 | ds_put_cstr(ds, "\nPackets dropped because they are IP fragments " | |
4051 | "and the fragment handling mode is \"drop\".\n"); | |
4052 | } | |
c57b2226 BP |
4053 | } |
4054 | ||
aee0979b | 4055 | if (rule || ofpacts) { |
6a6455e5 EJ |
4056 | trace.result = ds; |
4057 | trace.flow = *flow; | |
e0eecb1c JR |
4058 | xlate_in_init(&trace.xin, ofproto, flow, rule, ntohs(flow->tcp_flags), |
4059 | packet); | |
aee0979b BP |
4060 | if (ofpacts) { |
4061 | trace.xin.ofpacts = ofpacts; | |
4062 | trace.xin.ofpacts_len = ofpacts_len; | |
4063 | } | |
bbafd73b EJ |
4064 | trace.xin.resubmit_hook = trace_resubmit; |
4065 | trace.xin.report_hook = trace_report; | |
bcd2633a | 4066 | |
bbafd73b | 4067 | xlate_actions(&trace.xin, &trace.xout); |
abe529af | 4068 | |
6a6455e5 EJ |
4069 | ds_put_char(ds, '\n'); |
4070 | trace_format_flow(ds, 0, "Final flow", &trace); | |
41a91a0b | 4071 | trace_format_megaflow(ds, 0, "Megaflow", &trace); |
bcd2633a | 4072 | |
6a6455e5 | 4073 | ds_put_cstr(ds, "Datapath actions: "); |
bbafd73b EJ |
4074 | format_odp_actions(ds, trace.xout.odp_actions.data, |
4075 | trace.xout.odp_actions.size); | |
876b0e1c | 4076 | |
bbafd73b | 4077 | if (trace.xout.slow) { |
04594cd5 BP |
4078 | enum slow_path_reason slow; |
4079 | ||
6a7e895f BP |
4080 | ds_put_cstr(ds, "\nThis flow is handled by the userspace " |
4081 | "slow path because it:"); | |
04594cd5 BP |
4082 | |
4083 | slow = trace.xout.slow; | |
4084 | while (slow) { | |
4085 | enum slow_path_reason bit = rightmost_1bit(slow); | |
4086 | ||
4087 | ds_put_format(ds, "\n\t- %s.", | |
4088 | slow_path_reason_to_explanation(bit)); | |
4089 | ||
4090 | slow &= ~bit; | |
6a7e895f | 4091 | } |
876b0e1c | 4092 | } |
bbafd73b EJ |
4093 | |
4094 | xlate_out_uninit(&trace.xout); | |
abe529af | 4095 | } |
ad3efdcb | 4096 | |
a2143702 | 4097 | rule_dpif_unref(rule); |
abe529af BP |
4098 | } |
4099 | ||
27022416 JP |
4100 | /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list |
4101 | * of the 'ofproto_shash' nodes. It is the responsibility of the caller | |
4102 | * to destroy 'ofproto_shash' and free the returned value. */ | |
4103 | static const struct shash_node ** | |
4104 | get_ofprotos(struct shash *ofproto_shash) | |
4105 | { | |
4106 | const struct ofproto_dpif *ofproto; | |
4107 | ||
4108 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
4109 | char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name); | |
4110 | shash_add_nocopy(ofproto_shash, name, ofproto); | |
4111 | } | |
4112 | ||
4113 | return shash_sort(ofproto_shash); | |
4114 | } | |
4115 | ||
4116 | static void | |
4117 | ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4118 | const char *argv[] OVS_UNUSED, | |
4119 | void *aux OVS_UNUSED) | |
4120 | { | |
4121 | struct ds ds = DS_EMPTY_INITIALIZER; | |
4122 | struct shash ofproto_shash; | |
4123 | const struct shash_node **sorted_ofprotos; | |
4124 | int i; | |
4125 | ||
4126 | shash_init(&ofproto_shash); | |
4127 | sorted_ofprotos = get_ofprotos(&ofproto_shash); | |
4128 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
4129 | const struct shash_node *node = sorted_ofprotos[i]; | |
4130 | ds_put_format(&ds, "%s\n", node->name); | |
4131 | } | |
4132 | ||
4133 | shash_destroy(&ofproto_shash); | |
4134 | free(sorted_ofprotos); | |
4135 | ||
4136 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4137 | ds_destroy(&ds); | |
4138 | } | |
4139 | ||
dc54ef36 EJ |
4140 | static void |
4141 | dpif_show_backer(const struct dpif_backer *backer, struct ds *ds) | |
27022416 | 4142 | { |
dc54ef36 | 4143 | const struct shash_node **ofprotos; |
e79a6c83 | 4144 | struct dpif_dp_stats dp_stats; |
dc54ef36 | 4145 | struct shash ofproto_shash; |
09672174 | 4146 | size_t i; |
655ab909 | 4147 | |
e79a6c83 | 4148 | dpif_get_dp_stats(backer->dpif, &dp_stats); |
655ab909 | 4149 | |
dc54ef36 | 4150 | ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n", |
e79a6c83 | 4151 | dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed); |
dc54ef36 | 4152 | |
dc54ef36 EJ |
4153 | shash_init(&ofproto_shash); |
4154 | ofprotos = get_ofprotos(&ofproto_shash); | |
4155 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
4156 | struct ofproto_dpif *ofproto = ofprotos[i]->data; | |
4157 | const struct shash_node **ports; | |
4158 | size_t j; | |
0a740f48 | 4159 | |
dc54ef36 EJ |
4160 | if (ofproto->backer != backer) { |
4161 | continue; | |
0a740f48 | 4162 | } |
27022416 | 4163 | |
e79a6c83 | 4164 | ds_put_format(ds, "\t%s:\n", ofproto->up.name); |
dc54ef36 EJ |
4165 | |
4166 | ports = shash_sort(&ofproto->up.port_by_name); | |
4167 | for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) { | |
4168 | const struct shash_node *node = ports[j]; | |
4169 | struct ofport *ofport = node->data; | |
4170 | struct smap config; | |
4e022ec0 | 4171 | odp_port_t odp_port; |
27022416 | 4172 | |
dc54ef36 EJ |
4173 | ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev), |
4174 | ofport->ofp_port); | |
27022416 | 4175 | |
dc54ef36 | 4176 | odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port); |
4e022ec0 | 4177 | if (odp_port != ODPP_NONE) { |
dc54ef36 EJ |
4178 | ds_put_format(ds, "%"PRIu32":", odp_port); |
4179 | } else { | |
4180 | ds_put_cstr(ds, "none:"); | |
4181 | } | |
27022416 | 4182 | |
dc54ef36 | 4183 | ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev)); |
27022416 | 4184 | |
dc54ef36 EJ |
4185 | smap_init(&config); |
4186 | if (!netdev_get_config(ofport->netdev, &config)) { | |
4187 | const struct smap_node **nodes; | |
4188 | size_t i; | |
27022416 | 4189 | |
dc54ef36 EJ |
4190 | nodes = smap_sort(&config); |
4191 | for (i = 0; i < smap_count(&config); i++) { | |
4192 | const struct smap_node *node = nodes[i]; | |
4193 | ds_put_format(ds, "%c %s=%s", i ? ',' : ':', | |
4194 | node->key, node->value); | |
4195 | } | |
4196 | free(nodes); | |
27022416 | 4197 | } |
dc54ef36 EJ |
4198 | smap_destroy(&config); |
4199 | ||
27022416 | 4200 | ds_put_char(ds, ')'); |
dc54ef36 | 4201 | ds_put_char(ds, '\n'); |
27022416 | 4202 | } |
dc54ef36 | 4203 | free(ports); |
27022416 | 4204 | } |
dc54ef36 EJ |
4205 | shash_destroy(&ofproto_shash); |
4206 | free(ofprotos); | |
27022416 JP |
4207 | } |
4208 | ||
4209 | static void | |
dc54ef36 EJ |
4210 | ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
4211 | const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED) | |
27022416 JP |
4212 | { |
4213 | struct ds ds = DS_EMPTY_INITIALIZER; | |
dc54ef36 EJ |
4214 | const struct shash_node **backers; |
4215 | int i; | |
27022416 | 4216 | |
dc54ef36 EJ |
4217 | backers = shash_sort(&all_dpif_backers); |
4218 | for (i = 0; i < shash_count(&all_dpif_backers); i++) { | |
4219 | dpif_show_backer(backers[i]->data, &ds); | |
27022416 | 4220 | } |
dc54ef36 | 4221 | free(backers); |
27022416 JP |
4222 | |
4223 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4224 | ds_destroy(&ds); | |
4225 | } | |
4226 | ||
1b849273 JS |
4227 | static bool |
4228 | ofproto_dpif_contains_flow(const struct ofproto_dpif *ofproto, | |
4229 | const struct nlattr *key, size_t key_len) | |
4230 | { | |
1b849273 JS |
4231 | struct ofproto_dpif *ofp; |
4232 | struct flow flow; | |
4233 | ||
836fbda7 | 4234 | xlate_receive(ofproto->backer, NULL, key, key_len, &flow, &ofp, |
1b849273 JS |
4235 | NULL, NULL, NULL, NULL); |
4236 | return ofp == ofproto; | |
4237 | } | |
4238 | ||
27022416 JP |
4239 | static void |
4240 | ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn, | |
4241 | int argc OVS_UNUSED, const char *argv[], | |
4242 | void *aux OVS_UNUSED) | |
4243 | { | |
4244 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1b849273 | 4245 | const struct dpif_flow_stats *stats; |
27022416 | 4246 | const struct ofproto_dpif *ofproto; |
1b849273 JS |
4247 | struct dpif_flow_dump flow_dump; |
4248 | const struct nlattr *actions; | |
4249 | const struct nlattr *mask; | |
4250 | const struct nlattr *key; | |
4251 | size_t actions_len; | |
4252 | size_t mask_len; | |
4253 | size_t key_len; | |
04b541df GS |
4254 | bool verbosity = false; |
4255 | struct dpif_port dpif_port; | |
4256 | struct dpif_port_dump port_dump; | |
4257 | struct hmap portno_names; | |
d2ad7ef1 | 4258 | void *state = NULL; |
938eaa50 | 4259 | int error; |
27022416 | 4260 | |
04b541df | 4261 | ofproto = ofproto_dpif_lookup(argv[argc - 1]); |
27022416 JP |
4262 | if (!ofproto) { |
4263 | unixctl_command_reply_error(conn, "no such bridge"); | |
4264 | return; | |
4265 | } | |
4266 | ||
04b541df GS |
4267 | if (argc > 2 && !strcmp(argv[1], "-m")) { |
4268 | verbosity = true; | |
4269 | } | |
4270 | ||
4271 | hmap_init(&portno_names); | |
4272 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) { | |
4273 | odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name); | |
4274 | } | |
4275 | ||
1b849273 | 4276 | ds_init(&ds); |
938eaa50 JS |
4277 | error = dpif_flow_dump_start(&flow_dump, ofproto->backer->dpif); |
4278 | if (error) { | |
4279 | goto exit; | |
4280 | } | |
d2ad7ef1 JS |
4281 | dpif_flow_dump_state_init(ofproto->backer->dpif, &state); |
4282 | while (dpif_flow_dump_next(&flow_dump, state, &key, &key_len, | |
4283 | &mask, &mask_len, &actions, &actions_len, | |
4284 | &stats)) { | |
1b849273 | 4285 | if (!ofproto_dpif_contains_flow(ofproto, key, key_len)) { |
04d08d54 EJ |
4286 | continue; |
4287 | } | |
4288 | ||
04b541df GS |
4289 | odp_flow_format(key, key_len, mask, mask_len, &portno_names, &ds, |
4290 | verbosity); | |
1b849273 JS |
4291 | ds_put_cstr(&ds, ", "); |
4292 | dpif_flow_stats_format(stats, &ds); | |
27022416 | 4293 | ds_put_cstr(&ds, ", actions:"); |
1b849273 | 4294 | format_odp_actions(&ds, actions, actions_len); |
27022416 JP |
4295 | ds_put_char(&ds, '\n'); |
4296 | } | |
d2ad7ef1 | 4297 | dpif_flow_dump_state_uninit(ofproto->backer->dpif, state); |
938eaa50 | 4298 | error = dpif_flow_dump_done(&flow_dump); |
27022416 | 4299 | |
938eaa50 JS |
4300 | exit: |
4301 | if (error) { | |
1b849273 JS |
4302 | ds_clear(&ds); |
4303 | ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno)); | |
4304 | unixctl_command_reply_error(conn, ds_cstr(&ds)); | |
4305 | } else { | |
4306 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4307 | } | |
04b541df GS |
4308 | odp_portno_names_destroy(&portno_names); |
4309 | hmap_destroy(&portno_names); | |
27022416 JP |
4310 | ds_destroy(&ds); |
4311 | } | |
4312 | ||
abe529af BP |
4313 | static void |
4314 | ofproto_dpif_unixctl_init(void) | |
4315 | { | |
4316 | static bool registered; | |
4317 | if (registered) { | |
4318 | return; | |
4319 | } | |
4320 | registered = true; | |
4321 | ||
0e15264f BP |
4322 | unixctl_command_register( |
4323 | "ofproto/trace", | |
dc8ce81f | 4324 | "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]", |
50aa28fd | 4325 | 1, 3, ofproto_unixctl_trace, NULL); |
aee0979b BP |
4326 | unixctl_command_register( |
4327 | "ofproto/trace-packet-out", | |
4328 | "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions", | |
4329 | 2, 6, ofproto_unixctl_trace_actions, NULL); | |
96e466a3 | 4330 | unixctl_command_register("fdb/flush", "[bridge]", 0, 1, |
0e15264f BP |
4331 | ofproto_unixctl_fdb_flush, NULL); |
4332 | unixctl_command_register("fdb/show", "bridge", 1, 1, | |
4333 | ofproto_unixctl_fdb_show, NULL); | |
27022416 JP |
4334 | unixctl_command_register("dpif/dump-dps", "", 0, 0, |
4335 | ofproto_unixctl_dpif_dump_dps, NULL); | |
dc54ef36 EJ |
4336 | unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show, |
4337 | NULL); | |
04b541df | 4338 | unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2, |
27022416 | 4339 | ofproto_unixctl_dpif_dump_flows, NULL); |
abe529af | 4340 | } |
32260212 SH |
4341 | |
4342 | ||
4343 | /* Returns true if 'rule' is an internal rule, false otherwise. */ | |
4344 | bool | |
4345 | rule_is_internal(const struct rule *rule) | |
4346 | { | |
4347 | return rule->table_id == TBL_INTERNAL; | |
4348 | } | |
abe529af | 4349 | \f |
52a90c29 BP |
4350 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
4351 | * | |
4352 | * This is deprecated. It is only for compatibility with broken device drivers | |
4353 | * in old versions of Linux that do not properly support VLANs when VLAN | |
4354 | * devices are not used. When broken device drivers are no longer in | |
4355 | * widespread use, we will delete these interfaces. */ | |
4356 | ||
4357 | static int | |
4e022ec0 | 4358 | set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
4359 | { |
4360 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
4361 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
4362 | ||
4363 | if (realdev_ofp_port == ofport->realdev_ofp_port | |
4364 | && vid == ofport->vlandev_vid) { | |
4365 | return 0; | |
4366 | } | |
4367 | ||
2cc3c58e | 4368 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
52a90c29 BP |
4369 | |
4370 | if (ofport->realdev_ofp_port) { | |
4371 | vsp_remove(ofport); | |
4372 | } | |
4373 | if (realdev_ofp_port && ofport->bundle) { | |
4374 | /* vlandevs are enslaved to their realdevs, so they are not allowed to | |
4375 | * themselves be part of a bundle. */ | |
4376 | bundle_set(ofport->up.ofproto, ofport->bundle, NULL); | |
4377 | } | |
4378 | ||
4379 | ofport->realdev_ofp_port = realdev_ofp_port; | |
4380 | ofport->vlandev_vid = vid; | |
4381 | ||
4382 | if (realdev_ofp_port) { | |
4383 | vsp_add(ofport, realdev_ofp_port, vid); | |
4384 | } | |
4385 | ||
4386 | return 0; | |
4387 | } | |
4388 | ||
4389 | static uint32_t | |
4e022ec0 | 4390 | hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid) |
52a90c29 | 4391 | { |
4e022ec0 | 4392 | return hash_2words(ofp_to_u16(realdev_ofp_port), vid); |
52a90c29 BP |
4393 | } |
4394 | ||
46c88433 EJ |
4395 | bool |
4396 | ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto) | |
13501305 | 4397 | OVS_EXCLUDED(ofproto->vsp_mutex) |
46c88433 | 4398 | { |
7614e5d0 JR |
4399 | /* hmap_is_empty is thread safe. */ |
4400 | return !hmap_is_empty(&ofproto->realdev_vid_map); | |
46c88433 EJ |
4401 | } |
4402 | ||
13501305 EJ |
4403 | static ofp_port_t |
4404 | vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto, | |
4405 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
4406 | OVS_REQUIRES(ofproto->vsp_mutex) | |
52a90c29 BP |
4407 | { |
4408 | if (!hmap_is_empty(&ofproto->realdev_vid_map)) { | |
52a90c29 BP |
4409 | int vid = vlan_tci_to_vid(vlan_tci); |
4410 | const struct vlan_splinter *vsp; | |
4411 | ||
4412 | HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node, | |
4413 | hash_realdev_vid(realdev_ofp_port, vid), | |
4414 | &ofproto->realdev_vid_map) { | |
4415 | if (vsp->realdev_ofp_port == realdev_ofp_port | |
4416 | && vsp->vid == vid) { | |
deea1200 | 4417 | return vsp->vlandev_ofp_port; |
52a90c29 BP |
4418 | } |
4419 | } | |
4420 | } | |
deea1200 | 4421 | return realdev_ofp_port; |
52a90c29 BP |
4422 | } |
4423 | ||
13501305 EJ |
4424 | /* Returns the OFP port number of the Linux VLAN device that corresponds to |
4425 | * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in | |
4426 | * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and | |
4427 | * 'vlan_tci' 9, it would return the port number of eth0.9. | |
4428 | * | |
4429 | * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this | |
4430 | * function just returns its 'realdev_ofp_port' argument. */ | |
4431 | ofp_port_t | |
4432 | vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto, | |
4433 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
4434 | OVS_EXCLUDED(ofproto->vsp_mutex) | |
4435 | { | |
4436 | ofp_port_t ret; | |
4437 | ||
7614e5d0 JR |
4438 | /* hmap_is_empty is thread safe, see if we can return immediately. */ |
4439 | if (hmap_is_empty(&ofproto->realdev_vid_map)) { | |
4440 | return realdev_ofp_port; | |
4441 | } | |
13501305 EJ |
4442 | ovs_mutex_lock(&ofproto->vsp_mutex); |
4443 | ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci); | |
4444 | ovs_mutex_unlock(&ofproto->vsp_mutex); | |
4445 | return ret; | |
4446 | } | |
4447 | ||
52a90c29 | 4448 | static struct vlan_splinter * |
4e022ec0 | 4449 | vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port) |
52a90c29 BP |
4450 | { |
4451 | struct vlan_splinter *vsp; | |
4452 | ||
4e022ec0 | 4453 | HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node, |
f9c0c3ec | 4454 | hash_ofp_port(vlandev_ofp_port), |
52a90c29 BP |
4455 | &ofproto->vlandev_map) { |
4456 | if (vsp->vlandev_ofp_port == vlandev_ofp_port) { | |
4457 | return vsp; | |
4458 | } | |
4459 | } | |
4460 | ||
4461 | return NULL; | |
4462 | } | |
4463 | ||
40e05935 BP |
4464 | /* Returns the OpenFlow port number of the "real" device underlying the Linux |
4465 | * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the | |
4466 | * VLAN VID of the Linux VLAN device in '*vid'. For example, given | |
4467 | * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of | |
4468 | * eth0 and store 9 in '*vid'. | |
4469 | * | |
4470 | * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux | |
4471 | * VLAN device. Unless VLAN splinters are enabled, this is what this function | |
4472 | * always does.*/ | |
4e022ec0 | 4473 | static ofp_port_t |
52a90c29 | 4474 | vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto, |
4e022ec0 | 4475 | ofp_port_t vlandev_ofp_port, int *vid) |
bd3950dd | 4476 | OVS_REQUIRES(ofproto->vsp_mutex) |
52a90c29 BP |
4477 | { |
4478 | if (!hmap_is_empty(&ofproto->vlandev_map)) { | |
4479 | const struct vlan_splinter *vsp; | |
4480 | ||
4481 | vsp = vlandev_find(ofproto, vlandev_ofp_port); | |
4482 | if (vsp) { | |
4483 | if (vid) { | |
4484 | *vid = vsp->vid; | |
4485 | } | |
4486 | return vsp->realdev_ofp_port; | |
4487 | } | |
4488 | } | |
4489 | return 0; | |
4490 | } | |
4491 | ||
b98d8985 BP |
4492 | /* Given 'flow', a flow representing a packet received on 'ofproto', checks |
4493 | * whether 'flow->in_port' represents a Linux VLAN device. If so, changes | |
4494 | * 'flow->in_port' to the "real" device backing the VLAN device, sets | |
4495 | * 'flow->vlan_tci' to the VLAN VID, and returns true. Otherwise (which is | |
4496 | * always the case unless VLAN splinters are enabled), returns false without | |
4497 | * making any changes. */ | |
8449c4d6 | 4498 | bool |
b98d8985 | 4499 | vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow) |
13501305 | 4500 | OVS_EXCLUDED(ofproto->vsp_mutex) |
b98d8985 | 4501 | { |
4e022ec0 | 4502 | ofp_port_t realdev; |
b98d8985 BP |
4503 | int vid; |
4504 | ||
7614e5d0 JR |
4505 | /* hmap_is_empty is thread safe. */ |
4506 | if (hmap_is_empty(&ofproto->vlandev_map)) { | |
4507 | return false; | |
4508 | } | |
4509 | ||
13501305 | 4510 | ovs_mutex_lock(&ofproto->vsp_mutex); |
4e022ec0 | 4511 | realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid); |
13501305 | 4512 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
b98d8985 BP |
4513 | if (!realdev) { |
4514 | return false; | |
4515 | } | |
4516 | ||
4517 | /* Cause the flow to be processed as if it came in on the real device with | |
4518 | * the VLAN device's VLAN ID. */ | |
4e022ec0 | 4519 | flow->in_port.ofp_port = realdev; |
b98d8985 BP |
4520 | flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI); |
4521 | return true; | |
4522 | } | |
4523 | ||
52a90c29 BP |
4524 | static void |
4525 | vsp_remove(struct ofport_dpif *port) | |
4526 | { | |
4527 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
4528 | struct vlan_splinter *vsp; | |
4529 | ||
13501305 | 4530 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 BP |
4531 | vsp = vlandev_find(ofproto, port->up.ofp_port); |
4532 | if (vsp) { | |
4533 | hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node); | |
4534 | hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node); | |
4535 | free(vsp); | |
4536 | ||
4537 | port->realdev_ofp_port = 0; | |
4538 | } else { | |
4539 | VLOG_ERR("missing vlan device record"); | |
4540 | } | |
13501305 | 4541 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 BP |
4542 | } |
4543 | ||
4544 | static void | |
4e022ec0 | 4545 | vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
4546 | { |
4547 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
4548 | ||
13501305 | 4549 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 | 4550 | if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL) |
13501305 | 4551 | && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid)) |
52a90c29 BP |
4552 | == realdev_ofp_port)) { |
4553 | struct vlan_splinter *vsp; | |
4554 | ||
4555 | vsp = xmalloc(sizeof *vsp); | |
52a90c29 BP |
4556 | vsp->realdev_ofp_port = realdev_ofp_port; |
4557 | vsp->vlandev_ofp_port = port->up.ofp_port; | |
4558 | vsp->vid = vid; | |
4559 | ||
4560 | port->realdev_ofp_port = realdev_ofp_port; | |
13501305 EJ |
4561 | |
4562 | hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node, | |
4563 | hash_ofp_port(port->up.ofp_port)); | |
4564 | hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node, | |
4565 | hash_realdev_vid(realdev_ofp_port, vid)); | |
52a90c29 BP |
4566 | } else { |
4567 | VLOG_ERR("duplicate vlan device record"); | |
4568 | } | |
13501305 | 4569 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 | 4570 | } |
e1b1d06a | 4571 | |
46c88433 | 4572 | static odp_port_t |
4e022ec0 | 4573 | ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
e1b1d06a JP |
4574 | { |
4575 | const struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); | |
4e022ec0 | 4576 | return ofport ? ofport->odp_port : ODPP_NONE; |
e1b1d06a JP |
4577 | } |
4578 | ||
8449c4d6 | 4579 | struct ofport_dpif * |
4e022ec0 | 4580 | odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port) |
e1b1d06a JP |
4581 | { |
4582 | struct ofport_dpif *port; | |
4583 | ||
8449c4d6 | 4584 | ovs_rwlock_rdlock(&backer->odp_to_ofport_lock); |
f9c0c3ec | 4585 | HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port), |
acf60855 | 4586 | &backer->odp_to_ofport_map) { |
e1b1d06a | 4587 | if (port->odp_port == odp_port) { |
8449c4d6 | 4588 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 | 4589 | return port; |
e1b1d06a JP |
4590 | } |
4591 | } | |
4592 | ||
8449c4d6 | 4593 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 JP |
4594 | return NULL; |
4595 | } | |
4596 | ||
4e022ec0 AW |
4597 | static ofp_port_t |
4598 | odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port) | |
acf60855 JP |
4599 | { |
4600 | struct ofport_dpif *port; | |
4601 | ||
4602 | port = odp_port_to_ofport(ofproto->backer, odp_port); | |
6472ba11 | 4603 | if (port && &ofproto->up == port->up.ofproto) { |
acf60855 JP |
4604 | return port->up.ofp_port; |
4605 | } else { | |
4606 | return OFPP_NONE; | |
4607 | } | |
e1b1d06a | 4608 | } |
655ab909 | 4609 | |
abe529af | 4610 | const struct ofproto_class ofproto_dpif_class = { |
b0408fca | 4611 | init, |
abe529af BP |
4612 | enumerate_types, |
4613 | enumerate_names, | |
4614 | del, | |
0aeaabc8 | 4615 | port_open_type, |
acf60855 | 4616 | type_run, |
acf60855 | 4617 | type_wait, |
abe529af BP |
4618 | alloc, |
4619 | construct, | |
4620 | destruct, | |
4621 | dealloc, | |
4622 | run, | |
4623 | wait, | |
e79a6c83 | 4624 | NULL, /* get_memory_usage. */ |
1c030aa5 | 4625 | type_get_memory_usage, |
abe529af | 4626 | flush, |
6c1491fb BP |
4627 | get_features, |
4628 | get_tables, | |
abe529af BP |
4629 | port_alloc, |
4630 | port_construct, | |
4631 | port_destruct, | |
4632 | port_dealloc, | |
4633 | port_modified, | |
4634 | port_reconfigured, | |
4635 | port_query_by_name, | |
4636 | port_add, | |
4637 | port_del, | |
6527c598 | 4638 | port_get_stats, |
abe529af BP |
4639 | port_dump_start, |
4640 | port_dump_next, | |
4641 | port_dump_done, | |
4642 | port_poll, | |
4643 | port_poll_wait, | |
4644 | port_is_lacp_current, | |
0ab6decf | 4645 | NULL, /* rule_choose_table */ |
abe529af BP |
4646 | rule_alloc, |
4647 | rule_construct, | |
8037acb4 BP |
4648 | rule_insert, |
4649 | rule_delete, | |
abe529af BP |
4650 | rule_destruct, |
4651 | rule_dealloc, | |
abe529af BP |
4652 | rule_get_stats, |
4653 | rule_execute, | |
4654 | rule_modify_actions, | |
7257b535 | 4655 | set_frag_handling, |
abe529af BP |
4656 | packet_out, |
4657 | set_netflow, | |
4658 | get_netflow_ids, | |
4659 | set_sflow, | |
29089a54 | 4660 | set_ipfix, |
abe529af | 4661 | set_cfm, |
9a9e3786 | 4662 | get_cfm_status, |
ccc09689 EJ |
4663 | set_bfd, |
4664 | get_bfd_status, | |
21f7563c JP |
4665 | set_stp, |
4666 | get_stp_status, | |
4667 | set_stp_port, | |
4668 | get_stp_port_status, | |
fd28ce3a | 4669 | get_stp_port_stats, |
8b36f51e | 4670 | set_queues, |
abe529af BP |
4671 | bundle_set, |
4672 | bundle_remove, | |
ec7ceaed EJ |
4673 | mirror_set__, |
4674 | mirror_get_stats__, | |
abe529af BP |
4675 | set_flood_vlans, |
4676 | is_mirror_output_bundle, | |
8402c74b | 4677 | forward_bpdu_changed, |
c4069512 | 4678 | set_mac_table_config, |
52a90c29 | 4679 | set_realdev, |
9cae45dc JR |
4680 | NULL, /* meter_get_features */ |
4681 | NULL, /* meter_set */ | |
4682 | NULL, /* meter_get */ | |
4683 | NULL, /* meter_del */ | |
00430a3f SH |
4684 | group_alloc, /* group_alloc */ |
4685 | group_construct, /* group_construct */ | |
4686 | group_destruct, /* group_destruct */ | |
4687 | group_dealloc, /* group_dealloc */ | |
4688 | group_modify, /* group_modify */ | |
4689 | group_get_stats, /* group_get_stats */ | |
abe529af | 4690 | }; |