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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" |
6d95c4e8 | 40 | #include "mcast-snooping.h" |
816fd533 | 41 | #include "meta-flow.h" |
abe529af | 42 | #include "multipath.h" |
0a740f48 | 43 | #include "netdev-vport.h" |
abe529af BP |
44 | #include "netdev.h" |
45 | #include "netlink.h" | |
46 | #include "nx-match.h" | |
47 | #include "odp-util.h" | |
1ac7c9bd | 48 | #include "odp-execute.h" |
abe529af BP |
49 | #include "ofp-util.h" |
50 | #include "ofpbuf.h" | |
f25d0cf3 | 51 | #include "ofp-actions.h" |
31a19d69 | 52 | #include "ofp-parse.h" |
abe529af | 53 | #include "ofp-print.h" |
29089a54 | 54 | #include "ofproto-dpif-ipfix.h" |
ec7ceaed | 55 | #include "ofproto-dpif-mirror.h" |
635c5db9 | 56 | #include "ofproto-dpif-monitor.h" |
f5374617 | 57 | #include "ofproto-dpif-rid.h" |
bae473fe | 58 | #include "ofproto-dpif-sflow.h" |
e1ec7dd4 | 59 | #include "ofproto-dpif-upcall.h" |
9583bc14 | 60 | #include "ofproto-dpif-xlate.h" |
abe529af | 61 | #include "poll-loop.h" |
f23d157c | 62 | #include "seq.h" |
0d085684 | 63 | #include "simap.h" |
27022416 | 64 | #include "smap.h" |
abe529af | 65 | #include "timer.h" |
b9ad7294 | 66 | #include "tunnel.h" |
6c1491fb | 67 | #include "unaligned.h" |
abe529af BP |
68 | #include "unixctl.h" |
69 | #include "vlan-bitmap.h" | |
70 | #include "vlog.h" | |
71 | ||
72 | VLOG_DEFINE_THIS_MODULE(ofproto_dpif); | |
73 | ||
abe529af | 74 | COVERAGE_DEFINE(ofproto_dpif_expired); |
ada3a58d | 75 | COVERAGE_DEFINE(packet_in_overflow); |
abe529af | 76 | |
a088a1ff | 77 | struct flow_miss; |
abe529af | 78 | |
70742c7f EJ |
79 | struct rule_dpif { |
80 | struct rule up; | |
81 | ||
82 | /* These statistics: | |
83 | * | |
e79a6c83 EJ |
84 | * - Do include packets and bytes from datapath flows which have not |
85 | * recently been processed by a revalidator. */ | |
70742c7f | 86 | struct ovs_mutex stats_mutex; |
1a4ec18d | 87 | struct dpif_flow_stats stats OVS_GUARDED; |
888ac0d7 SH |
88 | |
89 | /* If non-zero then the recirculation id that has | |
90 | * been allocated for use with this rule. | |
91 | * The recirculation id and associated internal flow should | |
92 | * be freed when the rule is freed */ | |
93 | uint32_t recirc_id; | |
70742c7f EJ |
94 | }; |
95 | ||
003ce655 JR |
96 | /* RULE_CAST() depends on this. */ |
97 | BUILD_ASSERT_DECL(offsetof(struct rule_dpif, up) == 0); | |
98 | ||
dc437090 JR |
99 | static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes, |
100 | long long int *used); | |
70742c7f | 101 | static struct rule_dpif *rule_dpif_cast(const struct rule *); |
e79a6c83 | 102 | static void rule_expire(struct rule_dpif *); |
b0f7b9b5 | 103 | |
00430a3f SH |
104 | struct group_dpif { |
105 | struct ofgroup up; | |
106 | ||
107 | /* These statistics: | |
108 | * | |
e79a6c83 EJ |
109 | * - Do include packets and bytes from datapath flows which have not |
110 | * recently been processed by a revalidator. */ | |
00430a3f SH |
111 | struct ovs_mutex stats_mutex; |
112 | uint64_t packet_count OVS_GUARDED; /* Number of packets received. */ | |
113 | uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */ | |
00430a3f SH |
114 | }; |
115 | ||
46c88433 EJ |
116 | struct ofbundle { |
117 | struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */ | |
118 | struct ofproto_dpif *ofproto; /* Owning ofproto. */ | |
119 | void *aux; /* Key supplied by ofproto's client. */ | |
120 | char *name; /* Identifier for log messages. */ | |
121 | ||
122 | /* Configuration. */ | |
123 | struct list ports; /* Contains "struct ofport"s. */ | |
124 | enum port_vlan_mode vlan_mode; /* VLAN mode */ | |
125 | int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */ | |
126 | unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1. | |
127 | * NULL if all VLANs are trunked. */ | |
128 | struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */ | |
129 | struct bond *bond; /* Nonnull iff more than one port. */ | |
130 | bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */ | |
131 | ||
132 | /* Status. */ | |
133 | bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */ | |
134 | }; | |
135 | ||
abe529af | 136 | static void bundle_remove(struct ofport *); |
7bde8dd8 | 137 | static void bundle_update(struct ofbundle *); |
abe529af BP |
138 | static void bundle_destroy(struct ofbundle *); |
139 | static void bundle_del_port(struct ofport_dpif *); | |
140 | static void bundle_run(struct ofbundle *); | |
141 | static void bundle_wait(struct ofbundle *); | |
33158a18 | 142 | |
21f7563c JP |
143 | static void stp_run(struct ofproto_dpif *ofproto); |
144 | static void stp_wait(struct ofproto_dpif *ofproto); | |
851bf71d EJ |
145 | static int set_stp_port(struct ofport *, |
146 | const struct ofproto_port_stp_settings *); | |
21f7563c | 147 | |
9efd308e DV |
148 | static void rstp_run(struct ofproto_dpif *ofproto); |
149 | static void set_rstp_port(struct ofport *, | |
150 | const struct ofproto_port_rstp_settings *); | |
151 | ||
46c88433 EJ |
152 | struct ofport_dpif { |
153 | struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */ | |
154 | struct ofport up; | |
155 | ||
156 | odp_port_t odp_port; | |
157 | struct ofbundle *bundle; /* Bundle that contains this port, if any. */ | |
158 | struct list bundle_node; /* In struct ofbundle's "ports" list. */ | |
159 | struct cfm *cfm; /* Connectivity Fault Management, if any. */ | |
160 | struct bfd *bfd; /* BFD, if any. */ | |
46c88433 EJ |
161 | bool may_enable; /* May be enabled in bonds. */ |
162 | bool is_tunnel; /* This port is a tunnel. */ | |
a6363cfd | 163 | bool is_layer3; /* This is a layer 3 port. */ |
46c88433 EJ |
164 | long long int carrier_seq; /* Carrier status changes. */ |
165 | struct ofport_dpif *peer; /* Peer if patch port. */ | |
166 | ||
167 | /* Spanning tree. */ | |
168 | struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */ | |
169 | enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */ | |
170 | long long int stp_state_entered; | |
171 | ||
9efd308e DV |
172 | /* Rapid Spanning Tree. */ |
173 | struct rstp_port *rstp_port; /* Rapid Spanning Tree Protocol, if any. */ | |
174 | enum rstp_state rstp_state; /* Always RSTP_DISABLED if RSTP not in use. */ | |
175 | ||
55954f6e EJ |
176 | /* Queue to DSCP mapping. */ |
177 | struct ofproto_port_queue *qdscp; | |
178 | size_t n_qdscp; | |
46c88433 EJ |
179 | |
180 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
181 | * | |
182 | * This is deprecated. It is only for compatibility with broken device | |
183 | * drivers in old versions of Linux that do not properly support VLANs when | |
184 | * VLAN devices are not used. When broken device drivers are no longer in | |
185 | * widespread use, we will delete these interfaces. */ | |
186 | ofp_port_t realdev_ofp_port; | |
187 | int vlandev_vid; | |
188 | }; | |
189 | ||
52a90c29 BP |
190 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
191 | * | |
192 | * This is deprecated. It is only for compatibility with broken device drivers | |
193 | * in old versions of Linux that do not properly support VLANs when VLAN | |
194 | * devices are not used. When broken device drivers are no longer in | |
195 | * widespread use, we will delete these interfaces. */ | |
196 | struct vlan_splinter { | |
197 | struct hmap_node realdev_vid_node; | |
198 | struct hmap_node vlandev_node; | |
4e022ec0 AW |
199 | ofp_port_t realdev_ofp_port; |
200 | ofp_port_t vlandev_ofp_port; | |
52a90c29 BP |
201 | int vid; |
202 | }; | |
203 | ||
52a90c29 | 204 | static void vsp_remove(struct ofport_dpif *); |
4e022ec0 | 205 | static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid); |
52a90c29 | 206 | |
46c88433 EJ |
207 | static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *, |
208 | ofp_port_t); | |
209 | ||
4e022ec0 | 210 | static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *, |
46c88433 | 211 | odp_port_t); |
e1b1d06a | 212 | |
abe529af BP |
213 | static struct ofport_dpif * |
214 | ofport_dpif_cast(const struct ofport *ofport) | |
215 | { | |
abe529af BP |
216 | return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL; |
217 | } | |
218 | ||
219 | static void port_run(struct ofport_dpif *); | |
8aee94b6 | 220 | static int set_bfd(struct ofport *, const struct smap *); |
a5610457 | 221 | static int set_cfm(struct ofport *, const struct cfm_settings *); |
6cbbf4fa | 222 | static void ofport_update_peer(struct ofport_dpif *); |
abe529af | 223 | |
e79a6c83 EJ |
224 | /* Reasons that we might need to revalidate every datapath flow, and |
225 | * corresponding coverage counters. | |
cdc3ab65 EJ |
226 | * |
227 | * A value of 0 means that there is no need to revalidate. | |
228 | * | |
229 | * It would be nice to have some cleaner way to integrate with coverage | |
230 | * counters, but with only a few reasons I guess this is good enough for | |
231 | * now. */ | |
232 | enum revalidate_reason { | |
233 | REV_RECONFIGURE = 1, /* Switch configuration changed. */ | |
234 | REV_STP, /* Spanning tree protocol port status change. */ | |
9efd308e | 235 | REV_RSTP, /* RSTP port status change. */ |
4a1b8f30 | 236 | REV_BOND, /* Bonding changed. */ |
cdc3ab65 EJ |
237 | REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/ |
238 | REV_FLOW_TABLE, /* Flow table changed. */ | |
30618594 | 239 | REV_MAC_LEARNING, /* Mac learning changed. */ |
6d95c4e8 | 240 | REV_MCAST_SNOOPING, /* Multicast snooping changed. */ |
cdc3ab65 | 241 | }; |
3c4a309c BP |
242 | COVERAGE_DEFINE(rev_reconfigure); |
243 | COVERAGE_DEFINE(rev_stp); | |
9efd308e | 244 | COVERAGE_DEFINE(rev_rstp); |
4a1b8f30 | 245 | COVERAGE_DEFINE(rev_bond); |
3c4a309c BP |
246 | COVERAGE_DEFINE(rev_port_toggled); |
247 | COVERAGE_DEFINE(rev_flow_table); | |
30618594 | 248 | COVERAGE_DEFINE(rev_mac_learning); |
6d95c4e8 | 249 | COVERAGE_DEFINE(rev_mcast_snooping); |
3c4a309c | 250 | |
cdc3ab65 EJ |
251 | /* All datapaths of a given type share a single dpif backer instance. */ |
252 | struct dpif_backer { | |
253 | char *type; | |
254 | int refcount; | |
255 | struct dpif *dpif; | |
e1ec7dd4 | 256 | struct udpif *udpif; |
8449c4d6 EJ |
257 | |
258 | struct ovs_rwlock odp_to_ofport_lock; | |
390eadaa | 259 | struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */ |
cdc3ab65 EJ |
260 | |
261 | struct simap tnl_backers; /* Set of dpif ports backing tunnels. */ | |
262 | ||
e79a6c83 | 263 | enum revalidate_reason need_revalidate; /* Revalidate all flows. */ |
cdc3ab65 | 264 | |
cdc3ab65 | 265 | bool recv_set_enable; /* Enables or disables receiving packets. */ |
4b97b70d | 266 | |
adcf00ba | 267 | /* Recirculation. */ |
f5374617 | 268 | struct recirc_id_pool *rid_pool; /* Recirculation ID pool. */ |
adcf00ba | 269 | bool enable_recirc; /* True if the datapath supports recirculation */ |
f5374617 | 270 | |
4b97b70d BP |
271 | /* True if the datapath supports variable-length |
272 | * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. | |
273 | * False if the datapath supports only 8-byte (or shorter) userdata. */ | |
274 | bool variable_length_userdata; | |
8bfd0fda | 275 | |
53477c2c JR |
276 | /* True if the datapath supports masked data in OVS_ACTION_ATTR_SET |
277 | * actions. */ | |
278 | bool masked_set_action; | |
279 | ||
8bfd0fda BP |
280 | /* Maximum number of MPLS label stack entries that the datapath supports |
281 | * in a match */ | |
282 | size_t max_mpls_depth; | |
cdc3ab65 EJ |
283 | }; |
284 | ||
acf60855 JP |
285 | /* All existing ofproto_backer instances, indexed by ofproto->up.type. */ |
286 | static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers); | |
287 | ||
46c88433 EJ |
288 | struct ofproto_dpif { |
289 | struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */ | |
290 | struct ofproto up; | |
291 | struct dpif_backer *backer; | |
292 | ||
e79a6c83 EJ |
293 | uint64_t dump_seq; /* Last read of udpif_dump_seq(). */ |
294 | ||
46c88433 EJ |
295 | /* Special OpenFlow rules. */ |
296 | struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */ | |
297 | struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */ | |
298 | struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */ | |
299 | ||
300 | /* Bridging. */ | |
301 | struct netflow *netflow; | |
302 | struct dpif_sflow *sflow; | |
303 | struct dpif_ipfix *ipfix; | |
304 | struct hmap bundles; /* Contains "struct ofbundle"s. */ | |
305 | struct mac_learning *ml; | |
6d95c4e8 | 306 | struct mcast_snooping *ms; |
46c88433 | 307 | bool has_bonded_bundles; |
e2d13c43 | 308 | bool lacp_enabled; |
46c88433 EJ |
309 | struct mbridge *mbridge; |
310 | ||
0da3c61b AW |
311 | struct ovs_mutex stats_mutex; |
312 | struct netdev_stats stats OVS_GUARDED; /* To account packets generated and | |
313 | * consumed in userspace. */ | |
46c88433 EJ |
314 | |
315 | /* Spanning tree. */ | |
316 | struct stp *stp; | |
317 | long long int stp_last_tick; | |
318 | ||
9efd308e DV |
319 | /* Rapid Spanning Tree. */ |
320 | struct rstp *rstp; | |
321 | long long int rstp_last_tick; | |
322 | ||
46c88433 | 323 | /* VLAN splinters. */ |
13501305 EJ |
324 | struct ovs_mutex vsp_mutex; |
325 | struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */ | |
326 | struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */ | |
46c88433 EJ |
327 | |
328 | /* Ports. */ | |
329 | struct sset ports; /* Set of standard port names. */ | |
330 | struct sset ghost_ports; /* Ports with no datapath port. */ | |
331 | struct sset port_poll_set; /* Queued names for port_poll() reply. */ | |
332 | int port_poll_errno; /* Last errno for port_poll() reply. */ | |
f23d157c | 333 | uint64_t change_seq; /* Connectivity status changes. */ |
46c88433 | 334 | |
3d9c5e58 | 335 | /* Work queues. */ |
05067881 | 336 | struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */ |
cfc50ae5 AW |
337 | struct seq *pins_seq; /* For notifying 'pins' reception. */ |
338 | uint64_t pins_seqno; | |
46c88433 EJ |
339 | }; |
340 | ||
b44a10b7 BP |
341 | /* All existing ofproto_dpif instances, indexed by ->up.name. */ |
342 | static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs); | |
343 | ||
abe529af BP |
344 | static void ofproto_dpif_unixctl_init(void); |
345 | ||
46c88433 EJ |
346 | static inline struct ofproto_dpif * |
347 | ofproto_dpif_cast(const struct ofproto *ofproto) | |
348 | { | |
349 | ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class); | |
350 | return CONTAINER_OF(ofproto, struct ofproto_dpif, up); | |
351 | } | |
352 | ||
8bfd0fda BP |
353 | size_t |
354 | ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif *ofproto) | |
355 | { | |
356 | return ofproto->backer->max_mpls_depth; | |
357 | } | |
358 | ||
adcf00ba AZ |
359 | bool |
360 | ofproto_dpif_get_enable_recirc(const struct ofproto_dpif *ofproto) | |
361 | { | |
362 | return ofproto->backer->enable_recirc; | |
363 | } | |
364 | ||
46c88433 EJ |
365 | static struct ofport_dpif *get_ofp_port(const struct ofproto_dpif *ofproto, |
366 | ofp_port_t ofp_port); | |
adcf00ba | 367 | static void ofproto_trace(struct ofproto_dpif *, struct flow *, |
aee0979b BP |
368 | const struct ofpbuf *packet, |
369 | const struct ofpact[], size_t ofpacts_len, | |
370 | struct ds *); | |
46c88433 | 371 | |
abe529af BP |
372 | /* Global variables. */ |
373 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
acf60855 JP |
374 | |
375 | /* Initial mappings of port to bridge mappings. */ | |
376 | static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports); | |
46c88433 | 377 | |
1b63b91e BP |
378 | /* Executes 'fm'. The caller retains ownership of 'fm' and everything in |
379 | * it. */ | |
3d9c5e58 | 380 | void |
46c88433 EJ |
381 | ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto, |
382 | struct ofputil_flow_mod *fm) | |
383 | { | |
1b63b91e | 384 | ofproto_flow_mod(&ofproto->up, fm); |
46c88433 EJ |
385 | } |
386 | ||
d5ff77e2 YT |
387 | /* Appends 'pin' to the queue of "packet ins" to be sent to the controller. |
388 | * Takes ownership of 'pin' and pin->packet. */ | |
46c88433 EJ |
389 | void |
390 | ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto, | |
0fb7792a | 391 | struct ofproto_packet_in *pin) |
46c88433 | 392 | { |
05067881 | 393 | if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) { |
ada3a58d | 394 | COVERAGE_INC(packet_in_overflow); |
0fb7792a | 395 | free(CONST_CAST(void *, pin->up.packet)); |
ada3a58d | 396 | free(pin); |
ada3a58d | 397 | } |
cfc50ae5 AW |
398 | |
399 | /* Wakes up main thread for packet-in I/O. */ | |
400 | seq_change(ofproto->pins_seq); | |
46c88433 | 401 | } |
6b83a3c5 SH |
402 | |
403 | /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the | |
404 | * packet rather than to send the packet to the controller. | |
405 | * | |
406 | * This function returns false to indicate that a packet_in message | |
407 | * for a "table-miss" should be sent to at least one controller. | |
408 | * False otherwise. */ | |
409 | bool | |
410 | ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto) | |
411 | { | |
412 | return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr); | |
413 | } | |
abe529af BP |
414 | \f |
415 | /* Factory functions. */ | |
416 | ||
b0408fca | 417 | static void |
acf60855 | 418 | init(const struct shash *iface_hints) |
b0408fca | 419 | { |
acf60855 JP |
420 | struct shash_node *node; |
421 | ||
422 | /* Make a local copy, since we don't own 'iface_hints' elements. */ | |
423 | SHASH_FOR_EACH(node, iface_hints) { | |
424 | const struct iface_hint *orig_hint = node->data; | |
425 | struct iface_hint *new_hint = xmalloc(sizeof *new_hint); | |
426 | ||
427 | new_hint->br_name = xstrdup(orig_hint->br_name); | |
428 | new_hint->br_type = xstrdup(orig_hint->br_type); | |
429 | new_hint->ofp_port = orig_hint->ofp_port; | |
430 | ||
431 | shash_add(&init_ofp_ports, node->name, new_hint); | |
432 | } | |
b0408fca JP |
433 | } |
434 | ||
abe529af BP |
435 | static void |
436 | enumerate_types(struct sset *types) | |
437 | { | |
438 | dp_enumerate_types(types); | |
439 | } | |
440 | ||
441 | static int | |
442 | enumerate_names(const char *type, struct sset *names) | |
443 | { | |
acf60855 JP |
444 | struct ofproto_dpif *ofproto; |
445 | ||
446 | sset_clear(names); | |
447 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
448 | if (strcmp(type, ofproto->up.type)) { | |
449 | continue; | |
450 | } | |
451 | sset_add(names, ofproto->up.name); | |
452 | } | |
453 | ||
454 | return 0; | |
abe529af BP |
455 | } |
456 | ||
457 | static int | |
458 | del(const char *type, const char *name) | |
459 | { | |
460 | struct dpif *dpif; | |
461 | int error; | |
462 | ||
463 | error = dpif_open(name, type, &dpif); | |
464 | if (!error) { | |
465 | error = dpif_delete(dpif); | |
466 | dpif_close(dpif); | |
467 | } | |
468 | return error; | |
469 | } | |
470 | \f | |
0aeaabc8 JP |
471 | static const char * |
472 | port_open_type(const char *datapath_type, const char *port_type) | |
473 | { | |
474 | return dpif_port_open_type(datapath_type, port_type); | |
475 | } | |
476 | ||
acf60855 JP |
477 | /* Type functions. */ |
478 | ||
36beb9be BP |
479 | static void process_dpif_port_changes(struct dpif_backer *); |
480 | static void process_dpif_all_ports_changed(struct dpif_backer *); | |
481 | static void process_dpif_port_change(struct dpif_backer *, | |
482 | const char *devname); | |
483 | static void process_dpif_port_error(struct dpif_backer *, int error); | |
484 | ||
476cb42a BP |
485 | static struct ofproto_dpif * |
486 | lookup_ofproto_dpif_by_port_name(const char *name) | |
487 | { | |
488 | struct ofproto_dpif *ofproto; | |
489 | ||
490 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
491 | if (sset_contains(&ofproto->ports, name)) { | |
492 | return ofproto; | |
493 | } | |
494 | } | |
495 | ||
496 | return NULL; | |
497 | } | |
498 | ||
acf60855 JP |
499 | static int |
500 | type_run(const char *type) | |
501 | { | |
502 | struct dpif_backer *backer; | |
acf60855 JP |
503 | |
504 | backer = shash_find_data(&all_dpif_backers, type); | |
505 | if (!backer) { | |
506 | /* This is not necessarily a problem, since backers are only | |
507 | * created on demand. */ | |
508 | return 0; | |
509 | } | |
510 | ||
511 | dpif_run(backer->dpif); | |
27f57736 | 512 | udpif_run(backer->udpif); |
acf60855 | 513 | |
40358701 GS |
514 | /* If vswitchd started with other_config:flow_restore_wait set as "true", |
515 | * and the configuration has now changed to "false", enable receiving | |
516 | * packets from the datapath. */ | |
517 | if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) { | |
36beb9be BP |
518 | int error; |
519 | ||
40358701 GS |
520 | backer->recv_set_enable = true; |
521 | ||
522 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); | |
523 | if (error) { | |
524 | VLOG_ERR("Failed to enable receiving packets in dpif."); | |
525 | return error; | |
526 | } | |
527 | dpif_flow_flush(backer->dpif); | |
528 | backer->need_revalidate = REV_RECONFIGURE; | |
529 | } | |
530 | ||
6567010f | 531 | if (backer->recv_set_enable) { |
e79a6c83 | 532 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
448a4b2f AW |
533 | } |
534 | ||
f2eee189 AW |
535 | dpif_poll_threads_set(backer->dpif, n_dpdk_rxqs, pmd_cpu_mask); |
536 | ||
a1616063 | 537 | if (backer->need_revalidate) { |
2cc3c58e | 538 | struct ofproto_dpif *ofproto; |
a614d823 KM |
539 | struct simap_node *node; |
540 | struct simap tmp_backers; | |
541 | ||
542 | /* Handle tunnel garbage collection. */ | |
543 | simap_init(&tmp_backers); | |
544 | simap_swap(&backer->tnl_backers, &tmp_backers); | |
545 | ||
546 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
547 | struct ofport_dpif *iter; | |
548 | ||
549 | if (backer != ofproto->backer) { | |
550 | continue; | |
551 | } | |
552 | ||
553 | HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) { | |
3aa30359 | 554 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
a614d823 KM |
555 | const char *dp_port; |
556 | ||
42943cde | 557 | if (!iter->is_tunnel) { |
a614d823 KM |
558 | continue; |
559 | } | |
560 | ||
3aa30359 BP |
561 | dp_port = netdev_vport_get_dpif_port(iter->up.netdev, |
562 | namebuf, sizeof namebuf); | |
a614d823 KM |
563 | node = simap_find(&tmp_backers, dp_port); |
564 | if (node) { | |
565 | simap_put(&backer->tnl_backers, dp_port, node->data); | |
566 | simap_delete(&tmp_backers, node); | |
567 | node = simap_find(&backer->tnl_backers, dp_port); | |
568 | } else { | |
569 | node = simap_find(&backer->tnl_backers, dp_port); | |
570 | if (!node) { | |
4e022ec0 | 571 | odp_port_t odp_port = ODPP_NONE; |
a614d823 KM |
572 | |
573 | if (!dpif_port_add(backer->dpif, iter->up.netdev, | |
574 | &odp_port)) { | |
4e022ec0 AW |
575 | simap_put(&backer->tnl_backers, dp_port, |
576 | odp_to_u32(odp_port)); | |
a614d823 KM |
577 | node = simap_find(&backer->tnl_backers, dp_port); |
578 | } | |
579 | } | |
580 | } | |
581 | ||
4e022ec0 | 582 | iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE; |
42943cde EJ |
583 | if (tnl_port_reconfigure(iter, iter->up.netdev, |
584 | iter->odp_port)) { | |
a614d823 KM |
585 | backer->need_revalidate = REV_RECONFIGURE; |
586 | } | |
587 | } | |
588 | } | |
589 | ||
590 | SIMAP_FOR_EACH (node, &tmp_backers) { | |
4e022ec0 | 591 | dpif_port_del(backer->dpif, u32_to_odp(node->data)); |
a614d823 KM |
592 | } |
593 | simap_destroy(&tmp_backers); | |
2cc3c58e EJ |
594 | |
595 | switch (backer->need_revalidate) { | |
1373ee25 FL |
596 | case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break; |
597 | case REV_STP: COVERAGE_INC(rev_stp); break; | |
9efd308e | 598 | case REV_RSTP: COVERAGE_INC(rev_rstp); break; |
1373ee25 FL |
599 | case REV_BOND: COVERAGE_INC(rev_bond); break; |
600 | case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break; | |
601 | case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break; | |
602 | case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break; | |
6d95c4e8 | 603 | case REV_MCAST_SNOOPING: COVERAGE_INC(rev_mcast_snooping); break; |
2cc3c58e | 604 | } |
f728af2e BP |
605 | backer->need_revalidate = 0; |
606 | ||
2cc3c58e | 607 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { |
a1616063 | 608 | struct ofport_dpif *ofport; |
a1616063 | 609 | struct ofbundle *bundle; |
2cc3c58e EJ |
610 | |
611 | if (ofproto->backer != backer) { | |
612 | continue; | |
613 | } | |
614 | ||
84f0f298 | 615 | xlate_txn_start(); |
89a8a7f0 | 616 | xlate_ofproto_set(ofproto, ofproto->up.name, |
ec89fc6f EJ |
617 | ofproto->backer->dpif, ofproto->miss_rule, |
618 | ofproto->no_packet_in_rule, ofproto->ml, | |
9efd308e DV |
619 | ofproto->stp, ofproto->rstp, ofproto->ms, |
620 | ofproto->mbridge, ofproto->sflow, ofproto->ipfix, | |
ce3955be | 621 | ofproto->netflow, ofproto->up.frag_handling, |
a1616063 | 622 | ofproto->up.forward_bpdu, |
4b97b70d | 623 | connmgr_has_in_band(ofproto->up.connmgr), |
adcf00ba | 624 | ofproto->backer->enable_recirc, |
8bfd0fda | 625 | ofproto->backer->variable_length_userdata, |
53477c2c JR |
626 | ofproto->backer->max_mpls_depth, |
627 | ofproto->backer->masked_set_action); | |
46c88433 | 628 | |
a1616063 EJ |
629 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { |
630 | xlate_bundle_set(ofproto, bundle, bundle->name, | |
631 | bundle->vlan_mode, bundle->vlan, | |
632 | bundle->trunks, bundle->use_priority_tags, | |
633 | bundle->bond, bundle->lacp, | |
634 | bundle->floodable); | |
635 | } | |
636 | ||
637 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
9d189a50 EJ |
638 | int stp_port = ofport->stp_port |
639 | ? stp_port_no(ofport->stp_port) | |
92cf817b | 640 | : -1; |
a1616063 EJ |
641 | xlate_ofport_set(ofproto, ofport->bundle, ofport, |
642 | ofport->up.ofp_port, ofport->odp_port, | |
643 | ofport->up.netdev, ofport->cfm, | |
9d189a50 | 644 | ofport->bfd, ofport->peer, stp_port, |
f025bcb7 JR |
645 | ofport->rstp_port, ofport->qdscp, |
646 | ofport->n_qdscp, ofport->up.pp.config, | |
647 | ofport->up.pp.state, ofport->is_tunnel, | |
648 | ofport->may_enable); | |
46c88433 | 649 | } |
84f0f298 | 650 | xlate_txn_commit(); |
2cc3c58e | 651 | } |
e1ec7dd4 EJ |
652 | |
653 | udpif_revalidate(backer->udpif); | |
2cc3c58e EJ |
654 | } |
655 | ||
36beb9be | 656 | process_dpif_port_changes(backer); |
acf60855 JP |
657 | |
658 | return 0; | |
659 | } | |
660 | ||
36beb9be BP |
661 | /* Check for and handle port changes in 'backer''s dpif. */ |
662 | static void | |
663 | process_dpif_port_changes(struct dpif_backer *backer) | |
664 | { | |
665 | for (;;) { | |
666 | char *devname; | |
667 | int error; | |
668 | ||
669 | error = dpif_port_poll(backer->dpif, &devname); | |
670 | switch (error) { | |
671 | case EAGAIN: | |
672 | return; | |
673 | ||
674 | case ENOBUFS: | |
675 | process_dpif_all_ports_changed(backer); | |
676 | break; | |
677 | ||
678 | case 0: | |
679 | process_dpif_port_change(backer, devname); | |
680 | free(devname); | |
681 | break; | |
682 | ||
683 | default: | |
684 | process_dpif_port_error(backer, error); | |
685 | break; | |
686 | } | |
687 | } | |
688 | } | |
689 | ||
690 | static void | |
691 | process_dpif_all_ports_changed(struct dpif_backer *backer) | |
692 | { | |
693 | struct ofproto_dpif *ofproto; | |
694 | struct dpif_port dpif_port; | |
695 | struct dpif_port_dump dump; | |
696 | struct sset devnames; | |
697 | const char *devname; | |
698 | ||
699 | sset_init(&devnames); | |
700 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
701 | if (ofproto->backer == backer) { | |
702 | struct ofport *ofport; | |
703 | ||
704 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
705 | sset_add(&devnames, netdev_get_name(ofport->netdev)); | |
706 | } | |
707 | } | |
708 | } | |
709 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) { | |
710 | sset_add(&devnames, dpif_port.name); | |
711 | } | |
712 | ||
713 | SSET_FOR_EACH (devname, &devnames) { | |
714 | process_dpif_port_change(backer, devname); | |
715 | } | |
716 | sset_destroy(&devnames); | |
717 | } | |
718 | ||
719 | static void | |
720 | process_dpif_port_change(struct dpif_backer *backer, const char *devname) | |
721 | { | |
722 | struct ofproto_dpif *ofproto; | |
723 | struct dpif_port port; | |
724 | ||
725 | /* Don't report on the datapath's device. */ | |
726 | if (!strcmp(devname, dpif_base_name(backer->dpif))) { | |
727 | return; | |
728 | } | |
729 | ||
730 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, | |
731 | &all_ofproto_dpifs) { | |
732 | if (simap_contains(&ofproto->backer->tnl_backers, devname)) { | |
733 | return; | |
734 | } | |
735 | } | |
736 | ||
737 | ofproto = lookup_ofproto_dpif_by_port_name(devname); | |
738 | if (dpif_port_query_by_name(backer->dpif, devname, &port)) { | |
739 | /* The port was removed. If we know the datapath, | |
740 | * report it through poll_set(). If we don't, it may be | |
741 | * notifying us of a removal we initiated, so ignore it. | |
742 | * If there's a pending ENOBUFS, let it stand, since | |
743 | * everything will be reevaluated. */ | |
744 | if (ofproto && ofproto->port_poll_errno != ENOBUFS) { | |
745 | sset_add(&ofproto->port_poll_set, devname); | |
746 | ofproto->port_poll_errno = 0; | |
747 | } | |
748 | } else if (!ofproto) { | |
749 | /* The port was added, but we don't know with which | |
750 | * ofproto we should associate it. Delete it. */ | |
751 | dpif_port_del(backer->dpif, port.port_no); | |
74cc3969 BP |
752 | } else { |
753 | struct ofport_dpif *ofport; | |
754 | ||
755 | ofport = ofport_dpif_cast(shash_find_data( | |
756 | &ofproto->up.port_by_name, devname)); | |
757 | if (ofport | |
758 | && ofport->odp_port != port.port_no | |
759 | && !odp_port_to_ofport(backer, port.port_no)) | |
760 | { | |
761 | /* 'ofport''s datapath port number has changed from | |
762 | * 'ofport->odp_port' to 'port.port_no'. Update our internal data | |
763 | * structures to match. */ | |
8449c4d6 | 764 | ovs_rwlock_wrlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
765 | hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node); |
766 | ofport->odp_port = port.port_no; | |
767 | hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node, | |
768 | hash_odp_port(port.port_no)); | |
8449c4d6 | 769 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
770 | backer->need_revalidate = REV_RECONFIGURE; |
771 | } | |
36beb9be BP |
772 | } |
773 | dpif_port_destroy(&port); | |
774 | } | |
775 | ||
776 | /* Propagate 'error' to all ofprotos based on 'backer'. */ | |
777 | static void | |
778 | process_dpif_port_error(struct dpif_backer *backer, int error) | |
779 | { | |
780 | struct ofproto_dpif *ofproto; | |
781 | ||
782 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
783 | if (ofproto->backer == backer) { | |
784 | sset_clear(&ofproto->port_poll_set); | |
785 | ofproto->port_poll_errno = error; | |
786 | } | |
787 | } | |
788 | } | |
789 | ||
acf60855 JP |
790 | static void |
791 | type_wait(const char *type) | |
792 | { | |
793 | struct dpif_backer *backer; | |
794 | ||
795 | backer = shash_find_data(&all_dpif_backers, type); | |
796 | if (!backer) { | |
797 | /* This is not necessarily a problem, since backers are only | |
798 | * created on demand. */ | |
799 | return; | |
800 | } | |
801 | ||
c0365fc8 | 802 | dpif_wait(backer->dpif); |
acf60855 JP |
803 | } |
804 | \f | |
abe529af BP |
805 | /* Basic life-cycle. */ |
806 | ||
c57b2226 BP |
807 | static int add_internal_flows(struct ofproto_dpif *); |
808 | ||
abe529af BP |
809 | static struct ofproto * |
810 | alloc(void) | |
811 | { | |
812 | struct ofproto_dpif *ofproto = xmalloc(sizeof *ofproto); | |
813 | return &ofproto->up; | |
814 | } | |
815 | ||
816 | static void | |
817 | dealloc(struct ofproto *ofproto_) | |
818 | { | |
819 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
820 | free(ofproto); | |
821 | } | |
822 | ||
acf60855 JP |
823 | static void |
824 | close_dpif_backer(struct dpif_backer *backer) | |
825 | { | |
cb22974d | 826 | ovs_assert(backer->refcount > 0); |
acf60855 JP |
827 | |
828 | if (--backer->refcount) { | |
829 | return; | |
830 | } | |
831 | ||
b395cf1f BP |
832 | udpif_destroy(backer->udpif); |
833 | ||
7d82ab2e | 834 | simap_destroy(&backer->tnl_backers); |
8449c4d6 | 835 | ovs_rwlock_destroy(&backer->odp_to_ofport_lock); |
acf60855 | 836 | hmap_destroy(&backer->odp_to_ofport_map); |
4f7cc3c7 | 837 | shash_find_and_delete(&all_dpif_backers, backer->type); |
f5374617 | 838 | recirc_id_pool_destroy(backer->rid_pool); |
acf60855 | 839 | free(backer->type); |
acf60855 | 840 | dpif_close(backer->dpif); |
acf60855 JP |
841 | free(backer); |
842 | } | |
843 | ||
844 | /* Datapath port slated for removal from datapath. */ | |
845 | struct odp_garbage { | |
846 | struct list list_node; | |
4e022ec0 | 847 | odp_port_t odp_port; |
acf60855 JP |
848 | }; |
849 | ||
4b97b70d | 850 | static bool check_variable_length_userdata(struct dpif_backer *backer); |
8bfd0fda | 851 | static size_t check_max_mpls_depth(struct dpif_backer *backer); |
adcf00ba | 852 | static bool check_recirc(struct dpif_backer *backer); |
53477c2c | 853 | static bool check_masked_set_action(struct dpif_backer *backer); |
4b97b70d | 854 | |
acf60855 JP |
855 | static int |
856 | open_dpif_backer(const char *type, struct dpif_backer **backerp) | |
857 | { | |
858 | struct dpif_backer *backer; | |
859 | struct dpif_port_dump port_dump; | |
860 | struct dpif_port port; | |
861 | struct shash_node *node; | |
862 | struct list garbage_list; | |
863 | struct odp_garbage *garbage, *next; | |
f5374617 | 864 | |
acf60855 JP |
865 | struct sset names; |
866 | char *backer_name; | |
867 | const char *name; | |
868 | int error; | |
869 | ||
870 | backer = shash_find_data(&all_dpif_backers, type); | |
871 | if (backer) { | |
872 | backer->refcount++; | |
873 | *backerp = backer; | |
874 | return 0; | |
875 | } | |
876 | ||
877 | backer_name = xasprintf("ovs-%s", type); | |
878 | ||
879 | /* Remove any existing datapaths, since we assume we're the only | |
880 | * userspace controlling the datapath. */ | |
881 | sset_init(&names); | |
882 | dp_enumerate_names(type, &names); | |
883 | SSET_FOR_EACH(name, &names) { | |
884 | struct dpif *old_dpif; | |
885 | ||
886 | /* Don't remove our backer if it exists. */ | |
887 | if (!strcmp(name, backer_name)) { | |
888 | continue; | |
889 | } | |
890 | ||
891 | if (dpif_open(name, type, &old_dpif)) { | |
892 | VLOG_WARN("couldn't open old datapath %s to remove it", name); | |
893 | } else { | |
894 | dpif_delete(old_dpif); | |
895 | dpif_close(old_dpif); | |
896 | } | |
897 | } | |
898 | sset_destroy(&names); | |
899 | ||
900 | backer = xmalloc(sizeof *backer); | |
901 | ||
902 | error = dpif_create_and_open(backer_name, type, &backer->dpif); | |
903 | free(backer_name); | |
904 | if (error) { | |
905 | VLOG_ERR("failed to open datapath of type %s: %s", type, | |
10a89ef0 | 906 | ovs_strerror(error)); |
4c1b1289 | 907 | free(backer); |
acf60855 JP |
908 | return error; |
909 | } | |
e1ec7dd4 | 910 | backer->udpif = udpif_create(backer, backer->dpif); |
acf60855 JP |
911 | |
912 | backer->type = xstrdup(type); | |
913 | backer->refcount = 1; | |
914 | hmap_init(&backer->odp_to_ofport_map); | |
8449c4d6 | 915 | ovs_rwlock_init(&backer->odp_to_ofport_lock); |
2cc3c58e | 916 | backer->need_revalidate = 0; |
7d82ab2e | 917 | simap_init(&backer->tnl_backers); |
40358701 | 918 | backer->recv_set_enable = !ofproto_get_flow_restore_wait(); |
acf60855 JP |
919 | *backerp = backer; |
920 | ||
40358701 GS |
921 | if (backer->recv_set_enable) { |
922 | dpif_flow_flush(backer->dpif); | |
923 | } | |
acf60855 JP |
924 | |
925 | /* Loop through the ports already on the datapath and remove any | |
926 | * that we don't need anymore. */ | |
927 | list_init(&garbage_list); | |
928 | dpif_port_dump_start(&port_dump, backer->dpif); | |
929 | while (dpif_port_dump_next(&port_dump, &port)) { | |
930 | node = shash_find(&init_ofp_ports, port.name); | |
931 | if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) { | |
932 | garbage = xmalloc(sizeof *garbage); | |
933 | garbage->odp_port = port.port_no; | |
934 | list_push_front(&garbage_list, &garbage->list_node); | |
935 | } | |
936 | } | |
937 | dpif_port_dump_done(&port_dump); | |
938 | ||
939 | LIST_FOR_EACH_SAFE (garbage, next, list_node, &garbage_list) { | |
940 | dpif_port_del(backer->dpif, garbage->odp_port); | |
941 | list_remove(&garbage->list_node); | |
942 | free(garbage); | |
943 | } | |
944 | ||
945 | shash_add(&all_dpif_backers, type, backer); | |
946 | ||
084c03f3 | 947 | backer->enable_recirc = check_recirc(backer); |
084c03f3 | 948 | backer->max_mpls_depth = check_max_mpls_depth(backer); |
53477c2c | 949 | backer->masked_set_action = check_masked_set_action(backer); |
084c03f3 AZ |
950 | backer->rid_pool = recirc_id_pool_create(); |
951 | ||
40358701 | 952 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); |
acf60855 JP |
953 | if (error) { |
954 | VLOG_ERR("failed to listen on datapath of type %s: %s", | |
10a89ef0 | 955 | type, ovs_strerror(error)); |
acf60855 JP |
956 | close_dpif_backer(backer); |
957 | return error; | |
958 | } | |
6567010f EJ |
959 | |
960 | if (backer->recv_set_enable) { | |
e79a6c83 | 961 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
6567010f | 962 | } |
acf60855 | 963 | |
48931b58 JR |
964 | /* This check fails if performed before udpif threads have been set, |
965 | * as the kernel module checks that the 'pid' in userspace action | |
966 | * is non-zero. */ | |
967 | backer->variable_length_userdata = check_variable_length_userdata(backer); | |
968 | ||
acf60855 JP |
969 | return error; |
970 | } | |
971 | ||
9b2cb971 SH |
972 | /* Tests whether 'backer''s datapath supports recirculation. Only newer |
973 | * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some | |
974 | * features on older datapaths that don't support this feature. | |
adcf00ba AZ |
975 | * |
976 | * Returns false if 'backer' definitely does not support recirculation, true if | |
977 | * it seems to support recirculation or if at least the error we get is | |
978 | * ambiguous. */ | |
979 | static bool | |
980 | check_recirc(struct dpif_backer *backer) | |
981 | { | |
982 | struct flow flow; | |
983 | struct odputil_keybuf keybuf; | |
984 | struct ofpbuf key; | |
985 | int error; | |
986 | bool enable_recirc = false; | |
987 | ||
988 | memset(&flow, 0, sizeof flow); | |
989 | flow.recirc_id = 1; | |
990 | flow.dp_hash = 1; | |
991 | ||
992 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
7ce2769e | 993 | odp_flow_key_from_flow(&key, &flow, NULL, 0, true); |
adcf00ba | 994 | |
43f9ac0a | 995 | error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE, |
8bd43ce6 JR |
996 | ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, NULL, |
997 | 0, NULL); | |
adcf00ba AZ |
998 | if (error && error != EEXIST) { |
999 | if (error != EINVAL) { | |
1000 | VLOG_WARN("%s: Reciculation flow probe failed (%s)", | |
1001 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1002 | } | |
1003 | goto done; | |
1004 | } | |
1005 | ||
8bd43ce6 JR |
1006 | error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), ofpbuf_size(&key), |
1007 | NULL); | |
adcf00ba AZ |
1008 | if (error) { |
1009 | VLOG_WARN("%s: failed to delete recirculation feature probe flow", | |
1010 | dpif_name(backer->dpif)); | |
1011 | } | |
1012 | ||
1013 | enable_recirc = true; | |
1014 | ||
1015 | done: | |
1016 | if (enable_recirc) { | |
1017 | VLOG_INFO("%s: Datapath supports recirculation", | |
1018 | dpif_name(backer->dpif)); | |
1019 | } else { | |
1020 | VLOG_INFO("%s: Datapath does not support recirculation", | |
1021 | dpif_name(backer->dpif)); | |
1022 | } | |
1023 | ||
1024 | return enable_recirc; | |
1025 | } | |
1026 | ||
4b97b70d BP |
1027 | /* Tests whether 'backer''s datapath supports variable-length |
1028 | * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need | |
1029 | * to disable some features on older datapaths that don't support this | |
1030 | * feature. | |
1031 | * | |
1032 | * Returns false if 'backer' definitely does not support variable-length | |
1033 | * userdata, true if it seems to support them or if at least the error we get | |
1034 | * is ambiguous. */ | |
1035 | static bool | |
1036 | check_variable_length_userdata(struct dpif_backer *backer) | |
1037 | { | |
1038 | struct eth_header *eth; | |
1039 | struct ofpbuf actions; | |
758c456d | 1040 | struct dpif_execute execute; |
4b97b70d BP |
1041 | struct ofpbuf packet; |
1042 | size_t start; | |
1043 | int error; | |
1044 | ||
1045 | /* Compose a userspace action that will cause an ERANGE error on older | |
1046 | * datapaths that don't support variable-length userdata. | |
1047 | * | |
1048 | * We really test for using userdata longer than 8 bytes, but older | |
1049 | * datapaths accepted these, silently truncating the userdata to 8 bytes. | |
1050 | * The same older datapaths rejected userdata shorter than 8 bytes, so we | |
1051 | * test for that instead as a proxy for longer userdata support. */ | |
1052 | ofpbuf_init(&actions, 64); | |
1053 | start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE); | |
1054 | nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID, | |
1954e6bb | 1055 | dpif_port_get_pid(backer->dpif, ODPP_NONE, 0)); |
4b97b70d BP |
1056 | nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4); |
1057 | nl_msg_end_nested(&actions, start); | |
1058 | ||
758c456d | 1059 | /* Compose a dummy ethernet packet. */ |
4b97b70d BP |
1060 | ofpbuf_init(&packet, ETH_HEADER_LEN); |
1061 | eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN); | |
1062 | eth->eth_type = htons(0x1234); | |
1063 | ||
758c456d | 1064 | /* Execute the actions. On older datapaths this fails with ERANGE, on |
4b97b70d | 1065 | * newer datapaths it succeeds. */ |
1f317cb5 PS |
1066 | execute.actions = ofpbuf_data(&actions); |
1067 | execute.actions_len = ofpbuf_size(&actions); | |
758c456d JR |
1068 | execute.packet = &packet; |
1069 | execute.md = PKT_METADATA_INITIALIZER(0); | |
1070 | execute.needs_help = false; | |
43f9ac0a | 1071 | execute.probe = true; |
758c456d JR |
1072 | |
1073 | error = dpif_execute(backer->dpif, &execute); | |
4b97b70d BP |
1074 | |
1075 | ofpbuf_uninit(&packet); | |
4b97b70d BP |
1076 | ofpbuf_uninit(&actions); |
1077 | ||
1078 | switch (error) { | |
1079 | case 0: | |
4b97b70d BP |
1080 | return true; |
1081 | ||
1082 | case ERANGE: | |
1083 | /* Variable-length userdata is not supported. */ | |
1084 | VLOG_WARN("%s: datapath does not support variable-length userdata " | |
1085 | "feature (needs Linux 3.10+ or kernel module from OVS " | |
1086 | "1..11+). The NXAST_SAMPLE action will be ignored.", | |
1087 | dpif_name(backer->dpif)); | |
1088 | return false; | |
1089 | ||
1090 | default: | |
1091 | /* Something odd happened. We're not sure whether variable-length | |
1092 | * userdata is supported. Default to "yes". */ | |
1093 | VLOG_WARN("%s: variable-length userdata feature probe failed (%s)", | |
1094 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1095 | return true; | |
1096 | } | |
1097 | } | |
1098 | ||
8bfd0fda BP |
1099 | /* Tests the MPLS label stack depth supported by 'backer''s datapath. |
1100 | * | |
1101 | * Returns the number of elements in a struct flow's mpls_lse field | |
1102 | * if the datapath supports at least that many entries in an | |
1103 | * MPLS label stack. | |
1104 | * Otherwise returns the number of MPLS push actions supported by | |
1105 | * the datapath. */ | |
1106 | static size_t | |
1107 | check_max_mpls_depth(struct dpif_backer *backer) | |
1108 | { | |
1109 | struct flow flow; | |
1110 | int n; | |
1111 | ||
1112 | for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) { | |
1113 | struct odputil_keybuf keybuf; | |
1114 | struct ofpbuf key; | |
1115 | int error; | |
1116 | ||
1117 | memset(&flow, 0, sizeof flow); | |
1118 | flow.dl_type = htons(ETH_TYPE_MPLS); | |
1119 | flow_set_mpls_bos(&flow, n, 1); | |
1120 | ||
1121 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
7ce2769e | 1122 | odp_flow_key_from_flow(&key, &flow, NULL, 0, false); |
8bfd0fda | 1123 | |
43f9ac0a | 1124 | error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE, |
48931b58 JR |
1125 | ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, |
1126 | NULL, 0, NULL); | |
8bfd0fda BP |
1127 | if (error && error != EEXIST) { |
1128 | if (error != EINVAL) { | |
1129 | VLOG_WARN("%s: MPLS stack length feature probe failed (%s)", | |
1130 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1131 | } | |
1132 | break; | |
1133 | } | |
1134 | ||
48931b58 JR |
1135 | error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), |
1136 | ofpbuf_size(&key), NULL); | |
8bfd0fda BP |
1137 | if (error) { |
1138 | VLOG_WARN("%s: failed to delete MPLS feature probe flow", | |
1139 | dpif_name(backer->dpif)); | |
1140 | } | |
1141 | } | |
1142 | ||
1143 | VLOG_INFO("%s: MPLS label stack length probed as %d", | |
1144 | dpif_name(backer->dpif), n); | |
1145 | return n; | |
1146 | } | |
1147 | ||
53477c2c JR |
1148 | /* Tests whether 'backer''s datapath supports masked data in |
1149 | * OVS_ACTION_ATTR_SET actions. We need to disable some features on older | |
1150 | * datapaths that don't support this feature. */ | |
1151 | static bool | |
1152 | check_masked_set_action(struct dpif_backer *backer) | |
1153 | { | |
1154 | struct eth_header *eth; | |
1155 | struct ofpbuf actions; | |
1156 | struct dpif_execute execute; | |
1157 | struct ofpbuf packet; | |
1158 | int error; | |
1159 | struct ovs_key_ethernet key, mask; | |
1160 | ||
1161 | /* Compose a set action that will cause an EINVAL error on older | |
1162 | * datapaths that don't support masked set actions. | |
1163 | * Avoid using a full mask, as it could be translated to a non-masked | |
1164 | * set action instead. */ | |
1165 | ofpbuf_init(&actions, 64); | |
1166 | memset(&key, 0x53, sizeof key); | |
1167 | memset(&mask, 0x7f, sizeof mask); | |
1168 | commit_masked_set_action(&actions, OVS_KEY_ATTR_ETHERNET, &key, &mask, | |
1169 | sizeof key); | |
1170 | ||
1171 | /* Compose a dummy ethernet packet. */ | |
1172 | ofpbuf_init(&packet, ETH_HEADER_LEN); | |
1173 | eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN); | |
1174 | eth->eth_type = htons(0x1234); | |
1175 | ||
1176 | /* Execute the actions. On older datapaths this fails with EINVAL, on | |
1177 | * newer datapaths it succeeds. */ | |
1178 | execute.actions = ofpbuf_data(&actions); | |
1179 | execute.actions_len = ofpbuf_size(&actions); | |
1180 | execute.packet = &packet; | |
1181 | execute.md = PKT_METADATA_INITIALIZER(0); | |
1182 | execute.needs_help = false; | |
43f9ac0a | 1183 | execute.probe = true; |
53477c2c JR |
1184 | |
1185 | error = dpif_execute(backer->dpif, &execute); | |
1186 | ||
1187 | ofpbuf_uninit(&packet); | |
1188 | ofpbuf_uninit(&actions); | |
1189 | ||
1190 | if (error) { | |
1191 | /* Masked set action is not supported. */ | |
1192 | VLOG_INFO("%s: datapath does not support masked set action feature.", | |
1193 | dpif_name(backer->dpif)); | |
1194 | } | |
1195 | return !error; | |
1196 | } | |
1197 | ||
abe529af | 1198 | static int |
0f5f95a9 | 1199 | construct(struct ofproto *ofproto_) |
abe529af BP |
1200 | { |
1201 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 1202 | struct shash_node *node, *next; |
abe529af | 1203 | int error; |
abe529af | 1204 | |
acf60855 | 1205 | error = open_dpif_backer(ofproto->up.type, &ofproto->backer); |
abe529af | 1206 | if (error) { |
abe529af BP |
1207 | return error; |
1208 | } | |
1209 | ||
abe529af BP |
1210 | ofproto->netflow = NULL; |
1211 | ofproto->sflow = NULL; | |
29089a54 | 1212 | ofproto->ipfix = NULL; |
21f7563c | 1213 | ofproto->stp = NULL; |
9efd308e | 1214 | ofproto->rstp = NULL; |
e79a6c83 | 1215 | ofproto->dump_seq = 0; |
abe529af | 1216 | hmap_init(&ofproto->bundles); |
e764773c | 1217 | ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME); |
6d95c4e8 | 1218 | ofproto->ms = NULL; |
ec7ceaed | 1219 | ofproto->mbridge = mbridge_create(); |
abe529af | 1220 | ofproto->has_bonded_bundles = false; |
e2d13c43 | 1221 | ofproto->lacp_enabled = false; |
97ba2d36 | 1222 | ovs_mutex_init_adaptive(&ofproto->stats_mutex); |
834d6caf | 1223 | ovs_mutex_init(&ofproto->vsp_mutex); |
abe529af | 1224 | |
05067881 | 1225 | guarded_list_init(&ofproto->pins); |
ada3a58d | 1226 | |
abe529af BP |
1227 | ofproto_dpif_unixctl_init(); |
1228 | ||
52a90c29 BP |
1229 | hmap_init(&ofproto->vlandev_map); |
1230 | hmap_init(&ofproto->realdev_vid_map); | |
1231 | ||
acf60855 | 1232 | sset_init(&ofproto->ports); |
0a740f48 | 1233 | sset_init(&ofproto->ghost_ports); |
acf60855 JP |
1234 | sset_init(&ofproto->port_poll_set); |
1235 | ofproto->port_poll_errno = 0; | |
f23d157c | 1236 | ofproto->change_seq = 0; |
cfc50ae5 AW |
1237 | ofproto->pins_seq = seq_create(); |
1238 | ofproto->pins_seqno = seq_read(ofproto->pins_seq); | |
1239 | ||
acf60855 JP |
1240 | |
1241 | SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) { | |
4f9e08a5 | 1242 | struct iface_hint *iface_hint = node->data; |
acf60855 JP |
1243 | |
1244 | if (!strcmp(iface_hint->br_name, ofproto->up.name)) { | |
1245 | /* Check if the datapath already has this port. */ | |
1246 | if (dpif_port_exists(ofproto->backer->dpif, node->name)) { | |
1247 | sset_add(&ofproto->ports, node->name); | |
1248 | } | |
1249 | ||
1250 | free(iface_hint->br_name); | |
1251 | free(iface_hint->br_type); | |
4f9e08a5 | 1252 | free(iface_hint); |
acf60855 JP |
1253 | shash_delete(&init_ofp_ports, node); |
1254 | } | |
1255 | } | |
e1b1d06a | 1256 | |
b44a10b7 BP |
1257 | hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node, |
1258 | hash_string(ofproto->up.name, 0)); | |
6527c598 | 1259 | memset(&ofproto->stats, 0, sizeof ofproto->stats); |
0f5f95a9 BP |
1260 | |
1261 | ofproto_init_tables(ofproto_, N_TABLES); | |
c57b2226 | 1262 | error = add_internal_flows(ofproto); |
adcf00ba | 1263 | |
c57b2226 BP |
1264 | ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY; |
1265 | ||
1266 | return error; | |
1267 | } | |
1268 | ||
1269 | static int | |
adcf00ba | 1270 | add_internal_miss_flow(struct ofproto_dpif *ofproto, int id, |
f25d0cf3 | 1271 | const struct ofpbuf *ofpacts, struct rule_dpif **rulep) |
c57b2226 | 1272 | { |
adcf00ba | 1273 | struct match match; |
c57b2226 | 1274 | int error; |
adcf00ba | 1275 | struct rule *rule; |
c57b2226 | 1276 | |
adcf00ba AZ |
1277 | match_init_catchall(&match); |
1278 | match_set_reg(&match, 0, id); | |
c57b2226 | 1279 | |
290ad78a SH |
1280 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, 0, ofpacts, |
1281 | &rule); | |
adcf00ba | 1282 | *rulep = error ? NULL : rule_dpif_cast(rule); |
0f5f95a9 | 1283 | |
adcf00ba | 1284 | return error; |
abe529af BP |
1285 | } |
1286 | ||
c57b2226 BP |
1287 | static int |
1288 | add_internal_flows(struct ofproto_dpif *ofproto) | |
1289 | { | |
f25d0cf3 BP |
1290 | struct ofpact_controller *controller; |
1291 | uint64_t ofpacts_stub[128 / 8]; | |
1292 | struct ofpbuf ofpacts; | |
adcf00ba AZ |
1293 | struct rule *unused_rulep OVS_UNUSED; |
1294 | struct ofpact_resubmit *resubmit; | |
1295 | struct match match; | |
c57b2226 BP |
1296 | int error; |
1297 | int id; | |
1298 | ||
f25d0cf3 | 1299 | ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub); |
c57b2226 BP |
1300 | id = 1; |
1301 | ||
f25d0cf3 BP |
1302 | controller = ofpact_put_CONTROLLER(&ofpacts); |
1303 | controller->max_len = UINT16_MAX; | |
1304 | controller->controller_id = 0; | |
1305 | controller->reason = OFPR_NO_MATCH; | |
1306 | ofpact_pad(&ofpacts); | |
1307 | ||
adcf00ba AZ |
1308 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
1309 | &ofproto->miss_rule); | |
c57b2226 BP |
1310 | if (error) { |
1311 | return error; | |
1312 | } | |
1313 | ||
f25d0cf3 | 1314 | ofpbuf_clear(&ofpacts); |
adcf00ba | 1315 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
dbb7c28f | 1316 | &ofproto->no_packet_in_rule); |
7fd51d39 BP |
1317 | if (error) { |
1318 | return error; | |
1319 | } | |
1320 | ||
adcf00ba | 1321 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
dbb7c28f | 1322 | &ofproto->drop_frags_rule); |
adcf00ba AZ |
1323 | if (error) { |
1324 | return error; | |
1325 | } | |
1326 | ||
1327 | /* Continue non-recirculation rule lookups from table 0. | |
1328 | * | |
1329 | * (priority=2), recirc=0, actions=resubmit(, 0) | |
1330 | */ | |
1331 | resubmit = ofpact_put_RESUBMIT(&ofpacts); | |
adcf00ba AZ |
1332 | resubmit->in_port = OFPP_IN_PORT; |
1333 | resubmit->table_id = 0; | |
1334 | ||
1335 | match_init_catchall(&match); | |
1336 | match_set_recirc_id(&match, 0); | |
1337 | ||
290ad78a | 1338 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, 0, &ofpacts, |
adcf00ba AZ |
1339 | &unused_rulep); |
1340 | if (error) { | |
1341 | return error; | |
1342 | } | |
1343 | ||
1344 | /* Drop any run away recirc rule lookups. Recirc_id has to be | |
1345 | * non-zero when reaching this rule. | |
1346 | * | |
1347 | * (priority=1), *, actions=drop | |
1348 | */ | |
1349 | ofpbuf_clear(&ofpacts); | |
1350 | match_init_catchall(&match); | |
290ad78a | 1351 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 1, 0, &ofpacts, |
adcf00ba AZ |
1352 | &unused_rulep); |
1353 | ||
c57b2226 BP |
1354 | return error; |
1355 | } | |
1356 | ||
abe529af BP |
1357 | static void |
1358 | destruct(struct ofproto *ofproto_) | |
1359 | { | |
1360 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
0fb7792a | 1361 | struct ofproto_packet_in *pin, *next_pin; |
78c8df12 | 1362 | struct rule_dpif *rule; |
d0918789 | 1363 | struct oftable *table; |
1b63b91e | 1364 | struct list pins; |
abe529af | 1365 | |
875b94ed | 1366 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
84f0f298 | 1367 | xlate_txn_start(); |
46c88433 | 1368 | xlate_remove_ofproto(ofproto); |
84f0f298 | 1369 | xlate_txn_commit(); |
46c88433 | 1370 | |
3f142f59 BP |
1371 | /* Ensure that the upcall processing threads have no remaining references |
1372 | * to the ofproto or anything in it. */ | |
1373 | udpif_synchronize(ofproto->backer->udpif); | |
1fe409d5 | 1374 | |
b44a10b7 | 1375 | hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node); |
7ee20df1 | 1376 | |
0697b5c3 | 1377 | OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) { |
78c8df12 | 1378 | CLS_FOR_EACH_SAFE (rule, up.cr, &table->cls) { |
8b81d1ef | 1379 | ofproto_rule_delete(&ofproto->up, &rule->up); |
0697b5c3 | 1380 | } |
7ee20df1 BP |
1381 | } |
1382 | ||
05067881 BP |
1383 | guarded_list_pop_all(&ofproto->pins, &pins); |
1384 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) { | |
ada3a58d | 1385 | list_remove(&pin->list_node); |
0fb7792a | 1386 | free(CONST_CAST(void *, pin->up.packet)); |
ada3a58d EJ |
1387 | free(pin); |
1388 | } | |
05067881 | 1389 | guarded_list_destroy(&ofproto->pins); |
ada3a58d | 1390 | |
ec7ceaed | 1391 | mbridge_unref(ofproto->mbridge); |
abe529af | 1392 | |
8e407f27 | 1393 | netflow_unref(ofproto->netflow); |
9723bcce | 1394 | dpif_sflow_unref(ofproto->sflow); |
8b7ea2d4 | 1395 | dpif_ipfix_unref(ofproto->ipfix); |
abe529af | 1396 | hmap_destroy(&ofproto->bundles); |
5d989517 | 1397 | mac_learning_unref(ofproto->ml); |
6d95c4e8 | 1398 | mcast_snooping_unref(ofproto->ms); |
abe529af | 1399 | |
52a90c29 BP |
1400 | hmap_destroy(&ofproto->vlandev_map); |
1401 | hmap_destroy(&ofproto->realdev_vid_map); | |
1402 | ||
acf60855 | 1403 | sset_destroy(&ofproto->ports); |
0a740f48 | 1404 | sset_destroy(&ofproto->ghost_ports); |
acf60855 | 1405 | sset_destroy(&ofproto->port_poll_set); |
e1b1d06a | 1406 | |
0da3c61b | 1407 | ovs_mutex_destroy(&ofproto->stats_mutex); |
13501305 EJ |
1408 | ovs_mutex_destroy(&ofproto->vsp_mutex); |
1409 | ||
cfc50ae5 AW |
1410 | seq_destroy(ofproto->pins_seq); |
1411 | ||
acf60855 | 1412 | close_dpif_backer(ofproto->backer); |
abe529af BP |
1413 | } |
1414 | ||
5fcc0d00 BP |
1415 | static int |
1416 | run(struct ofproto *ofproto_) | |
1417 | { | |
1418 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
e79a6c83 | 1419 | uint64_t new_seq, new_dump_seq; |
5fcc0d00 | 1420 | |
ec7ceaed EJ |
1421 | if (mbridge_need_revalidate(ofproto->mbridge)) { |
1422 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
509c0149 | 1423 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 1424 | mac_learning_flush(ofproto->ml); |
509c0149 | 1425 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 1426 | mcast_snooping_mdb_flush(ofproto->ms); |
ec7ceaed EJ |
1427 | } |
1428 | ||
b53d5c33 BP |
1429 | /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during |
1430 | * flow restore. Even though nothing is processed during flow restore, | |
1431 | * all queued 'pins' will be handled immediately when flow restore | |
1432 | * completes. */ | |
1433 | ofproto->pins_seqno = seq_read(ofproto->pins_seq); | |
1434 | ||
a6b7506d | 1435 | /* Do not perform any periodic activity required by 'ofproto' while |
40358701 | 1436 | * waiting for flow restore to complete. */ |
a6b7506d EJ |
1437 | if (!ofproto_get_flow_restore_wait()) { |
1438 | struct ofproto_packet_in *pin, *next_pin; | |
1439 | struct list pins; | |
40358701 | 1440 | |
a6b7506d EJ |
1441 | guarded_list_pop_all(&ofproto->pins, &pins); |
1442 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) { | |
1443 | connmgr_send_packet_in(ofproto->up.connmgr, pin); | |
1444 | list_remove(&pin->list_node); | |
1445 | free(CONST_CAST(void *, pin->up.packet)); | |
1446 | free(pin); | |
1447 | } | |
abe529af BP |
1448 | } |
1449 | ||
abe529af | 1450 | if (ofproto->netflow) { |
8bfaca5b | 1451 | netflow_run(ofproto->netflow); |
abe529af BP |
1452 | } |
1453 | if (ofproto->sflow) { | |
bae473fe | 1454 | dpif_sflow_run(ofproto->sflow); |
abe529af | 1455 | } |
978427a5 RL |
1456 | if (ofproto->ipfix) { |
1457 | dpif_ipfix_run(ofproto->ipfix); | |
1458 | } | |
abe529af | 1459 | |
f23d157c JS |
1460 | new_seq = seq_read(connectivity_seq_get()); |
1461 | if (ofproto->change_seq != new_seq) { | |
1462 | struct ofport_dpif *ofport; | |
1463 | ||
1464 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
1465 | port_run(ofport); | |
1466 | } | |
1467 | ||
1468 | ofproto->change_seq = new_seq; | |
abe529af | 1469 | } |
e2d13c43 JS |
1470 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1471 | struct ofbundle *bundle; | |
1472 | ||
1473 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1474 | bundle_run(bundle); | |
1475 | } | |
abe529af BP |
1476 | } |
1477 | ||
21f7563c | 1478 | stp_run(ofproto); |
9efd308e | 1479 | rstp_run(ofproto); |
509c0149 | 1480 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 EJ |
1481 | if (mac_learning_run(ofproto->ml)) { |
1482 | ofproto->backer->need_revalidate = REV_MAC_LEARNING; | |
1483 | } | |
509c0149 | 1484 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 1485 | |
6d95c4e8 FL |
1486 | if (mcast_snooping_run(ofproto->ms)) { |
1487 | ofproto->backer->need_revalidate = REV_MCAST_SNOOPING; | |
1488 | } | |
1489 | ||
e79a6c83 EJ |
1490 | new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif)); |
1491 | if (ofproto->dump_seq != new_dump_seq) { | |
1492 | struct rule *rule, *next_rule; | |
1493 | ||
1494 | /* We know stats are relatively fresh, so now is a good time to do some | |
1495 | * periodic work. */ | |
1496 | ofproto->dump_seq = new_dump_seq; | |
1497 | ||
1498 | /* Expire OpenFlow flows whose idle_timeout or hard_timeout | |
1499 | * has passed. */ | |
1500 | ovs_mutex_lock(&ofproto_mutex); | |
1501 | LIST_FOR_EACH_SAFE (rule, next_rule, expirable, | |
1502 | &ofproto->up.expirable) { | |
1503 | rule_expire(rule_dpif_cast(rule)); | |
1504 | } | |
1505 | ovs_mutex_unlock(&ofproto_mutex); | |
1506 | ||
1507 | /* All outstanding data in existing flows has been accounted, so it's a | |
1508 | * good time to do bond rebalancing. */ | |
60cda7d6 | 1509 | if (ofproto->has_bonded_bundles) { |
e79a6c83 EJ |
1510 | struct ofbundle *bundle; |
1511 | ||
1512 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
60cda7d6 AZ |
1513 | if (bundle->bond) { |
1514 | bond_rebalance(bundle->bond); | |
e79a6c83 EJ |
1515 | } |
1516 | } | |
6814e51f BP |
1517 | } |
1518 | } | |
1519 | ||
abe529af BP |
1520 | return 0; |
1521 | } | |
1522 | ||
1523 | static void | |
1524 | wait(struct ofproto *ofproto_) | |
1525 | { | |
1526 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
abe529af | 1527 | |
40358701 GS |
1528 | if (ofproto_get_flow_restore_wait()) { |
1529 | return; | |
1530 | } | |
1531 | ||
abe529af | 1532 | if (ofproto->sflow) { |
bae473fe | 1533 | dpif_sflow_wait(ofproto->sflow); |
abe529af | 1534 | } |
978427a5 RL |
1535 | if (ofproto->ipfix) { |
1536 | dpif_ipfix_wait(ofproto->ipfix); | |
1537 | } | |
e2d13c43 JS |
1538 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1539 | struct ofbundle *bundle; | |
1540 | ||
1541 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1542 | bundle_wait(bundle); | |
1543 | } | |
abe529af | 1544 | } |
6fca1ffb BP |
1545 | if (ofproto->netflow) { |
1546 | netflow_wait(ofproto->netflow); | |
1547 | } | |
509c0149 | 1548 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
1c313b88 | 1549 | mac_learning_wait(ofproto->ml); |
509c0149 | 1550 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 1551 | mcast_snooping_wait(ofproto->ms); |
21f7563c | 1552 | stp_wait(ofproto); |
2cc3c58e | 1553 | if (ofproto->backer->need_revalidate) { |
abe529af BP |
1554 | /* Shouldn't happen, but if it does just go around again. */ |
1555 | VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()"); | |
1556 | poll_immediate_wake(); | |
abe529af | 1557 | } |
abe529af | 1558 | |
e79a6c83 | 1559 | seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq); |
cfc50ae5 | 1560 | seq_wait(ofproto->pins_seq, ofproto->pins_seqno); |
0d085684 BP |
1561 | } |
1562 | ||
1c030aa5 EJ |
1563 | static void |
1564 | type_get_memory_usage(const char *type, struct simap *usage) | |
1565 | { | |
1566 | struct dpif_backer *backer; | |
1567 | ||
1568 | backer = shash_find_data(&all_dpif_backers, type); | |
1569 | if (backer) { | |
1570 | udpif_get_memory_usage(backer->udpif, usage); | |
1571 | } | |
1572 | } | |
1573 | ||
abe529af | 1574 | static void |
1b5b5071 | 1575 | flush(struct ofproto *ofproto_) |
abe529af | 1576 | { |
1b5b5071 AZ |
1577 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
1578 | struct dpif_backer *backer = ofproto->backer; | |
1579 | ||
1580 | if (backer) { | |
1581 | udpif_flush(backer->udpif); | |
1582 | } | |
abe529af BP |
1583 | } |
1584 | ||
6c1491fb | 1585 | static void |
3c1bb396 BP |
1586 | query_tables(struct ofproto *ofproto, |
1587 | struct ofputil_table_features *features, | |
1588 | struct ofputil_table_stats *stats) | |
6c1491fb | 1589 | { |
3c1bb396 | 1590 | strcpy(features->name, "classifier"); |
6c1491fb | 1591 | |
3c1bb396 BP |
1592 | if (stats) { |
1593 | int i; | |
6c1491fb | 1594 | |
3c1bb396 BP |
1595 | for (i = 0; i < ofproto->n_tables; i++) { |
1596 | unsigned long missed, matched; | |
d611866c | 1597 | |
afcea9ea JR |
1598 | atomic_read_relaxed(&ofproto->tables[i].n_matched, &matched); |
1599 | atomic_read_relaxed(&ofproto->tables[i].n_missed, &missed); | |
1600 | ||
3c1bb396 | 1601 | stats[i].matched_count = matched; |
3c1bb396 BP |
1602 | stats[i].lookup_count = matched + missed; |
1603 | } | |
d611866c | 1604 | } |
6c1491fb BP |
1605 | } |
1606 | ||
abe529af BP |
1607 | static struct ofport * |
1608 | port_alloc(void) | |
1609 | { | |
1610 | struct ofport_dpif *port = xmalloc(sizeof *port); | |
1611 | return &port->up; | |
1612 | } | |
1613 | ||
1614 | static void | |
1615 | port_dealloc(struct ofport *port_) | |
1616 | { | |
1617 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1618 | free(port); | |
1619 | } | |
1620 | ||
1621 | static int | |
1622 | port_construct(struct ofport *port_) | |
1623 | { | |
1624 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1625 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
b9ad7294 | 1626 | const struct netdev *netdev = port->up.netdev; |
3aa30359 | 1627 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
e1b1d06a JP |
1628 | struct dpif_port dpif_port; |
1629 | int error; | |
abe529af | 1630 | |
2cc3c58e | 1631 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
1632 | port->bundle = NULL; |
1633 | port->cfm = NULL; | |
ccc09689 | 1634 | port->bfd = NULL; |
f025bcb7 | 1635 | port->may_enable = false; |
21f7563c JP |
1636 | port->stp_port = NULL; |
1637 | port->stp_state = STP_DISABLED; | |
9efd308e DV |
1638 | port->rstp_port = NULL; |
1639 | port->rstp_state = RSTP_DISABLED; | |
42943cde | 1640 | port->is_tunnel = false; |
6cbbf4fa | 1641 | port->peer = NULL; |
55954f6e EJ |
1642 | port->qdscp = NULL; |
1643 | port->n_qdscp = 0; | |
52a90c29 BP |
1644 | port->realdev_ofp_port = 0; |
1645 | port->vlandev_vid = 0; | |
b9ad7294 | 1646 | port->carrier_seq = netdev_get_carrier_resets(netdev); |
a6363cfd | 1647 | port->is_layer3 = netdev_vport_is_layer3(netdev); |
abe529af | 1648 | |
b9ad7294 | 1649 | if (netdev_vport_is_patch(netdev)) { |
743cea45 NM |
1650 | /* By bailing out here, we don't submit the port to the sFlow module |
1651 | * to be considered for counter polling export. This is correct | |
1652 | * because the patch port represents an interface that sFlow considers | |
1653 | * to be "internal" to the switch as a whole, and therefore not an | |
1654 | * candidate for counter polling. */ | |
4e022ec0 | 1655 | port->odp_port = ODPP_NONE; |
6cbbf4fa | 1656 | ofport_update_peer(port); |
0a740f48 EJ |
1657 | return 0; |
1658 | } | |
1659 | ||
acf60855 | 1660 | error = dpif_port_query_by_name(ofproto->backer->dpif, |
3aa30359 BP |
1661 | netdev_vport_get_dpif_port(netdev, namebuf, |
1662 | sizeof namebuf), | |
e1b1d06a JP |
1663 | &dpif_port); |
1664 | if (error) { | |
1665 | return error; | |
1666 | } | |
1667 | ||
1668 | port->odp_port = dpif_port.port_no; | |
1669 | ||
b9ad7294 | 1670 | if (netdev_get_tunnel_config(netdev)) { |
42943cde EJ |
1671 | tnl_port_add(port, port->up.netdev, port->odp_port); |
1672 | port->is_tunnel = true; | |
8b7ea2d4 WZ |
1673 | if (ofproto->ipfix) { |
1674 | dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port); | |
1675 | } | |
b9ad7294 EJ |
1676 | } else { |
1677 | /* Sanity-check that a mapping doesn't already exist. This | |
1678 | * shouldn't happen for non-tunnel ports. */ | |
1679 | if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) { | |
1680 | VLOG_ERR("port %s already has an OpenFlow port number", | |
1681 | dpif_port.name); | |
da78d43d | 1682 | dpif_port_destroy(&dpif_port); |
b9ad7294 EJ |
1683 | return EBUSY; |
1684 | } | |
e1b1d06a | 1685 | |
8449c4d6 | 1686 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1687 | hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node, |
f9c0c3ec | 1688 | hash_odp_port(port->odp_port)); |
8449c4d6 | 1689 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1690 | } |
da78d43d | 1691 | dpif_port_destroy(&dpif_port); |
e1b1d06a | 1692 | |
abe529af | 1693 | if (ofproto->sflow) { |
e1b1d06a | 1694 | dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port); |
abe529af BP |
1695 | } |
1696 | ||
1697 | return 0; | |
1698 | } | |
1699 | ||
1700 | static void | |
1701 | port_destruct(struct ofport *port_) | |
1702 | { | |
1703 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1704 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
02f8d646 | 1705 | const char *devname = netdev_get_name(port->up.netdev); |
3aa30359 BP |
1706 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
1707 | const char *dp_port_name; | |
abe529af | 1708 | |
7894e7da | 1709 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
84f0f298 | 1710 | xlate_txn_start(); |
46c88433 | 1711 | xlate_ofport_remove(port); |
84f0f298 | 1712 | xlate_txn_commit(); |
7894e7da | 1713 | |
3aa30359 BP |
1714 | dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf, |
1715 | sizeof namebuf); | |
a614d823 | 1716 | if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
acf60855 JP |
1717 | /* The underlying device is still there, so delete it. This |
1718 | * happens when the ofproto is being destroyed, since the caller | |
1719 | * assumes that removal of attached ports will happen as part of | |
1720 | * destruction. */ | |
42943cde | 1721 | if (!port->is_tunnel) { |
a614d823 KM |
1722 | dpif_port_del(ofproto->backer->dpif, port->odp_port); |
1723 | } | |
acf60855 JP |
1724 | } |
1725 | ||
6cbbf4fa EJ |
1726 | if (port->peer) { |
1727 | port->peer->peer = NULL; | |
1728 | port->peer = NULL; | |
1729 | } | |
1730 | ||
42943cde | 1731 | if (port->odp_port != ODPP_NONE && !port->is_tunnel) { |
8449c4d6 | 1732 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 | 1733 | hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node); |
8449c4d6 | 1734 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 EJ |
1735 | } |
1736 | ||
8b7ea2d4 WZ |
1737 | if (port->is_tunnel && ofproto->ipfix) { |
1738 | dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port); | |
1739 | } | |
1740 | ||
42943cde | 1741 | tnl_port_del(port); |
02f8d646 | 1742 | sset_find_and_delete(&ofproto->ports, devname); |
0a740f48 | 1743 | sset_find_and_delete(&ofproto->ghost_ports, devname); |
abe529af | 1744 | bundle_remove(port_); |
a5610457 | 1745 | set_cfm(port_, NULL); |
8aee94b6 | 1746 | set_bfd(port_, NULL); |
0c0c32d8 BP |
1747 | if (port->stp_port) { |
1748 | stp_port_disable(port->stp_port); | |
1749 | } | |
f025bcb7 | 1750 | set_rstp_port(port_, NULL); |
abe529af | 1751 | if (ofproto->sflow) { |
bae473fe | 1752 | dpif_sflow_del_port(ofproto->sflow, port->odp_port); |
abe529af | 1753 | } |
8b36f51e | 1754 | |
55954f6e | 1755 | free(port->qdscp); |
abe529af BP |
1756 | } |
1757 | ||
1758 | static void | |
1759 | port_modified(struct ofport *port_) | |
1760 | { | |
1761 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1762 | ||
1763 | if (port->bundle && port->bundle->bond) { | |
1764 | bond_slave_set_netdev(port->bundle->bond, port, port->up.netdev); | |
1765 | } | |
9d46b444 EJ |
1766 | |
1767 | if (port->cfm) { | |
1768 | cfm_set_netdev(port->cfm, port->up.netdev); | |
1769 | } | |
f1e78bbd | 1770 | |
c1c4e8c7 AW |
1771 | if (port->bfd) { |
1772 | bfd_set_netdev(port->bfd, port->up.netdev); | |
1773 | } | |
1774 | ||
635c5db9 AW |
1775 | ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm, |
1776 | port->up.pp.hw_addr); | |
1777 | ||
42943cde EJ |
1778 | if (port->is_tunnel && tnl_port_reconfigure(port, port->up.netdev, |
1779 | port->odp_port)) { | |
7894e7da EJ |
1780 | ofproto_dpif_cast(port->up.ofproto)->backer->need_revalidate = |
1781 | REV_RECONFIGURE; | |
f1e78bbd | 1782 | } |
6cbbf4fa EJ |
1783 | |
1784 | ofport_update_peer(port); | |
abe529af BP |
1785 | } |
1786 | ||
1787 | static void | |
9e1fd49b | 1788 | port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config) |
abe529af BP |
1789 | { |
1790 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1791 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
9e1fd49b | 1792 | enum ofputil_port_config changed = old_config ^ port->up.pp.config; |
abe529af | 1793 | |
9e1fd49b | 1794 | if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP | |
c57b2226 BP |
1795 | OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD | |
1796 | OFPUTIL_PC_NO_PACKET_IN)) { | |
2cc3c58e | 1797 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7bde8dd8 | 1798 | |
9e1fd49b | 1799 | if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) { |
7bde8dd8 JP |
1800 | bundle_update(port->bundle); |
1801 | } | |
abe529af BP |
1802 | } |
1803 | } | |
1804 | ||
1805 | static int | |
1806 | set_sflow(struct ofproto *ofproto_, | |
1807 | const struct ofproto_sflow_options *sflow_options) | |
1808 | { | |
1809 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
bae473fe | 1810 | struct dpif_sflow *ds = ofproto->sflow; |
6ff686f2 | 1811 | |
abe529af | 1812 | if (sflow_options) { |
bae473fe | 1813 | if (!ds) { |
abe529af BP |
1814 | struct ofport_dpif *ofport; |
1815 | ||
4213f19d | 1816 | ds = ofproto->sflow = dpif_sflow_create(); |
abe529af | 1817 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { |
e1b1d06a | 1818 | dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port); |
abe529af | 1819 | } |
2cc3c58e | 1820 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 1821 | } |
bae473fe | 1822 | dpif_sflow_set_options(ds, sflow_options); |
abe529af | 1823 | } else { |
6ff686f2 | 1824 | if (ds) { |
9723bcce | 1825 | dpif_sflow_unref(ds); |
2cc3c58e | 1826 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6ff686f2 PS |
1827 | ofproto->sflow = NULL; |
1828 | } | |
abe529af BP |
1829 | } |
1830 | return 0; | |
1831 | } | |
1832 | ||
29089a54 RL |
1833 | static int |
1834 | set_ipfix( | |
1835 | struct ofproto *ofproto_, | |
1836 | const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options, | |
1837 | const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options, | |
1838 | size_t n_flow_exporters_options) | |
1839 | { | |
1840 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1841 | struct dpif_ipfix *di = ofproto->ipfix; | |
978427a5 | 1842 | bool has_options = bridge_exporter_options || flow_exporters_options; |
8b7ea2d4 | 1843 | bool new_di = false; |
29089a54 | 1844 | |
978427a5 RL |
1845 | if (has_options && !di) { |
1846 | di = ofproto->ipfix = dpif_ipfix_create(); | |
8b7ea2d4 | 1847 | new_di = true; |
978427a5 RL |
1848 | } |
1849 | ||
1850 | if (di) { | |
1851 | /* Call set_options in any case to cleanly flush the flow | |
1852 | * caches in the last exporters that are to be destroyed. */ | |
29089a54 RL |
1853 | dpif_ipfix_set_options( |
1854 | di, bridge_exporter_options, flow_exporters_options, | |
1855 | n_flow_exporters_options); | |
978427a5 | 1856 | |
8b7ea2d4 WZ |
1857 | /* Add tunnel ports only when a new ipfix created */ |
1858 | if (new_di == true) { | |
1859 | struct ofport_dpif *ofport; | |
1860 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
1861 | if (ofport->is_tunnel == true) { | |
1862 | dpif_ipfix_add_tunnel_port(di, &ofport->up, ofport->odp_port); | |
1863 | } | |
1864 | } | |
1865 | } | |
1866 | ||
978427a5 | 1867 | if (!has_options) { |
d857c8aa | 1868 | dpif_ipfix_unref(di); |
29089a54 RL |
1869 | ofproto->ipfix = NULL; |
1870 | } | |
1871 | } | |
978427a5 | 1872 | |
29089a54 RL |
1873 | return 0; |
1874 | } | |
1875 | ||
abe529af | 1876 | static int |
a5610457 | 1877 | set_cfm(struct ofport *ofport_, const struct cfm_settings *s) |
abe529af BP |
1878 | { |
1879 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
635c5db9 | 1880 | int error = 0; |
abe529af | 1881 | |
635c5db9 | 1882 | if (s) { |
abe529af | 1883 | if (!ofport->cfm) { |
8c977421 EJ |
1884 | struct ofproto_dpif *ofproto; |
1885 | ||
1886 | ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2cc3c58e | 1887 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
90967e95 | 1888 | ofport->cfm = cfm_create(ofport->up.netdev); |
abe529af BP |
1889 | } |
1890 | ||
a5610457 | 1891 | if (cfm_configure(ofport->cfm, s)) { |
635c5db9 AW |
1892 | error = 0; |
1893 | goto out; | |
abe529af BP |
1894 | } |
1895 | ||
1896 | error = EINVAL; | |
1897 | } | |
8e9a73fa | 1898 | cfm_unref(ofport->cfm); |
abe529af | 1899 | ofport->cfm = NULL; |
635c5db9 AW |
1900 | out: |
1901 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, | |
1902 | ofport->up.pp.hw_addr); | |
abe529af BP |
1903 | return error; |
1904 | } | |
1905 | ||
8f5514fe AW |
1906 | static bool |
1907 | cfm_status_changed(struct ofport *ofport_) | |
1908 | { | |
1909 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1910 | ||
1911 | return ofport->cfm ? cfm_check_status_change(ofport->cfm) : true; | |
1912 | } | |
1913 | ||
88bf179a | 1914 | static int |
9a9e3786 | 1915 | get_cfm_status(const struct ofport *ofport_, |
685acfd9 | 1916 | struct cfm_status *status) |
1de11730 EJ |
1917 | { |
1918 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
88bf179a | 1919 | int ret = 0; |
1de11730 EJ |
1920 | |
1921 | if (ofport->cfm) { | |
8f5514fe | 1922 | cfm_get_status(ofport->cfm, status); |
1de11730 | 1923 | } else { |
88bf179a | 1924 | ret = ENOENT; |
1de11730 | 1925 | } |
88bf179a AW |
1926 | |
1927 | return ret; | |
1de11730 | 1928 | } |
ccc09689 EJ |
1929 | |
1930 | static int | |
1931 | set_bfd(struct ofport *ofport_, const struct smap *cfg) | |
1932 | { | |
1933 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
1934 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1935 | struct bfd *old; | |
1936 | ||
1937 | old = ofport->bfd; | |
c1c4e8c7 AW |
1938 | ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev), |
1939 | cfg, ofport->up.netdev); | |
ccc09689 EJ |
1940 | if (ofport->bfd != old) { |
1941 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
1942 | } | |
635c5db9 AW |
1943 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, |
1944 | ofport->up.pp.hw_addr); | |
ccc09689 EJ |
1945 | return 0; |
1946 | } | |
1947 | ||
8f5514fe AW |
1948 | static bool |
1949 | bfd_status_changed(struct ofport *ofport_) | |
1950 | { | |
1951 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1952 | ||
1953 | return ofport->bfd ? bfd_check_status_change(ofport->bfd) : true; | |
1954 | } | |
1955 | ||
ccc09689 EJ |
1956 | static int |
1957 | get_bfd_status(struct ofport *ofport_, struct smap *smap) | |
1958 | { | |
1959 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
88bf179a | 1960 | int ret = 0; |
ccc09689 EJ |
1961 | |
1962 | if (ofport->bfd) { | |
8f5514fe | 1963 | bfd_get_status(ofport->bfd, smap); |
ccc09689 | 1964 | } else { |
88bf179a | 1965 | ret = ENOENT; |
ccc09689 | 1966 | } |
88bf179a AW |
1967 | |
1968 | return ret; | |
ccc09689 | 1969 | } |
abe529af | 1970 | \f |
21f7563c JP |
1971 | /* Spanning Tree. */ |
1972 | ||
6b90bc57 | 1973 | /* Called while rstp_mutex is held. */ |
9efd308e | 1974 | static void |
6b90bc57 | 1975 | rstp_send_bpdu_cb(struct ofpbuf *pkt, void *ofport_, void *ofproto_) |
9efd308e DV |
1976 | { |
1977 | struct ofproto_dpif *ofproto = ofproto_; | |
6b90bc57 JR |
1978 | struct ofport_dpif *ofport = ofport_; |
1979 | struct eth_header *eth = ofpbuf_l2(pkt); | |
1980 | ||
1981 | netdev_get_etheraddr(ofport->up.netdev, eth->eth_src); | |
1982 | if (eth_addr_is_zero(eth->eth_src)) { | |
1983 | VLOG_WARN_RL(&rl, "%s port %d: cannot send RSTP BPDU on a port which " | |
1984 | "does not have a configured source MAC address.", | |
1985 | ofproto->up.name, ofp_to_u16(ofport->up.ofp_port)); | |
9efd308e | 1986 | } else { |
6b90bc57 | 1987 | ofproto_dpif_send_packet(ofport, pkt); |
9efd308e DV |
1988 | } |
1989 | ofpbuf_delete(pkt); | |
1990 | } | |
1991 | ||
21f7563c JP |
1992 | static void |
1993 | send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_) | |
1994 | { | |
1995 | struct ofproto_dpif *ofproto = ofproto_; | |
1996 | struct stp_port *sp = stp_get_port(ofproto->stp, port_num); | |
1997 | struct ofport_dpif *ofport; | |
1998 | ||
1999 | ofport = stp_port_get_aux(sp); | |
2000 | if (!ofport) { | |
2001 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d", | |
2002 | ofproto->up.name, port_num); | |
2003 | } else { | |
cf3b7538 | 2004 | struct eth_header *eth = ofpbuf_l2(pkt); |
21f7563c JP |
2005 | |
2006 | netdev_get_etheraddr(ofport->up.netdev, eth->eth_src); | |
2007 | if (eth_addr_is_zero(eth->eth_src)) { | |
2008 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d " | |
2009 | "with unknown MAC", ofproto->up.name, port_num); | |
2010 | } else { | |
91d6cd12 | 2011 | ofproto_dpif_send_packet(ofport, pkt); |
21f7563c JP |
2012 | } |
2013 | } | |
2014 | ofpbuf_delete(pkt); | |
2015 | } | |
2016 | ||
9efd308e DV |
2017 | /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */ |
2018 | static void | |
2019 | set_rstp(struct ofproto *ofproto_, const struct ofproto_rstp_settings *s) | |
2020 | { | |
2021 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2022 | ||
2023 | /* Only revalidate flows if the configuration changed. */ | |
2024 | if (!s != !ofproto->rstp) { | |
2025 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
2026 | } | |
2027 | ||
2028 | if (s) { | |
2029 | if (!ofproto->rstp) { | |
2030 | ofproto->rstp = rstp_create(ofproto_->name, s->address, | |
4b30ba05 | 2031 | rstp_send_bpdu_cb, ofproto); |
9efd308e DV |
2032 | ofproto->rstp_last_tick = time_msec(); |
2033 | } | |
2034 | rstp_set_bridge_address(ofproto->rstp, s->address); | |
2035 | rstp_set_bridge_priority(ofproto->rstp, s->priority); | |
2036 | rstp_set_bridge_ageing_time(ofproto->rstp, s->ageing_time); | |
2037 | rstp_set_bridge_force_protocol_version(ofproto->rstp, | |
2038 | s->force_protocol_version); | |
2039 | rstp_set_bridge_max_age(ofproto->rstp, s->bridge_max_age); | |
2040 | rstp_set_bridge_forward_delay(ofproto->rstp, s->bridge_forward_delay); | |
2041 | rstp_set_bridge_transmit_hold_count(ofproto->rstp, | |
2042 | s->transmit_hold_count); | |
2043 | } else { | |
2044 | struct ofport *ofport; | |
2045 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
2046 | set_rstp_port(ofport, NULL); | |
2047 | } | |
2048 | rstp_unref(ofproto->rstp); | |
2049 | ofproto->rstp = NULL; | |
2050 | } | |
2051 | } | |
2052 | ||
2053 | static void | |
2054 | get_rstp_status(struct ofproto *ofproto_, struct ofproto_rstp_status *s) | |
2055 | { | |
2056 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2057 | ||
2058 | if (ofproto->rstp) { | |
2059 | s->enabled = true; | |
2060 | s->root_id = rstp_get_root_id(ofproto->rstp); | |
2061 | s->bridge_id = rstp_get_bridge_id(ofproto->rstp); | |
2062 | s->designated_id = rstp_get_designated_id(ofproto->rstp); | |
2063 | s->root_path_cost = rstp_get_root_path_cost(ofproto->rstp); | |
2064 | s->designated_port_id = rstp_get_designated_port_id(ofproto->rstp); | |
2065 | s->bridge_port_id = rstp_get_bridge_port_id(ofproto->rstp); | |
2066 | } else { | |
2067 | s->enabled = false; | |
2068 | } | |
2069 | } | |
2070 | ||
2071 | static void | |
2072 | update_rstp_port_state(struct ofport_dpif *ofport) | |
2073 | { | |
2074 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2075 | enum rstp_state state; | |
2076 | ||
2077 | /* Figure out new state. */ | |
2078 | state = ofport->rstp_port ? rstp_port_get_state(ofport->rstp_port) | |
2079 | : RSTP_DISABLED; | |
2080 | ||
2081 | /* Update state. */ | |
2082 | if (ofport->rstp_state != state) { | |
2083 | enum ofputil_port_state of_state; | |
2084 | bool fwd_change; | |
2085 | ||
9a0bb428 JR |
2086 | VLOG_DBG("port %s: RSTP state changed from %s to %s", |
2087 | netdev_get_name(ofport->up.netdev), | |
2088 | rstp_state_name(ofport->rstp_state), | |
2089 | rstp_state_name(state)); | |
9efd308e DV |
2090 | if (rstp_learn_in_state(ofport->rstp_state) |
2091 | != rstp_learn_in_state(state)) { | |
2092 | /* xxx Learning action flows should also be flushed. */ | |
2093 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); | |
2094 | mac_learning_flush(ofproto->ml); | |
2095 | ovs_rwlock_unlock(&ofproto->ml->rwlock); | |
2096 | } | |
2097 | fwd_change = rstp_forward_in_state(ofport->rstp_state) | |
2098 | != rstp_forward_in_state(state); | |
2099 | ||
2100 | ofproto->backer->need_revalidate = REV_RSTP; | |
2101 | ofport->rstp_state = state; | |
2102 | ||
2103 | if (fwd_change && ofport->bundle) { | |
2104 | bundle_update(ofport->bundle); | |
2105 | } | |
2106 | ||
2107 | /* Update the RSTP state bits in the OpenFlow port description. */ | |
2108 | of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK; | |
2109 | of_state |= (state == RSTP_LEARNING ? OFPUTIL_PS_STP_LEARN | |
2110 | : state == RSTP_FORWARDING ? OFPUTIL_PS_STP_FORWARD | |
2111 | : state == RSTP_DISCARDING ? OFPUTIL_PS_STP_LISTEN | |
2112 | : 0); | |
2113 | ofproto_port_set_state(&ofport->up, of_state); | |
2114 | } | |
2115 | } | |
2116 | ||
2117 | static void | |
2118 | rstp_run(struct ofproto_dpif *ofproto) | |
2119 | { | |
2120 | if (ofproto->rstp) { | |
2121 | long long int now = time_msec(); | |
2122 | long long int elapsed = now - ofproto->rstp_last_tick; | |
2123 | struct rstp_port *rp; | |
f025bcb7 | 2124 | struct ofport_dpif *ofport; |
54d3863b | 2125 | |
9efd308e DV |
2126 | /* Every second, decrease the values of the timers. */ |
2127 | if (elapsed >= 1000) { | |
2128 | rstp_tick_timers(ofproto->rstp); | |
2129 | ofproto->rstp_last_tick = now; | |
2130 | } | |
f025bcb7 JR |
2131 | rp = NULL; |
2132 | while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) { | |
2133 | update_rstp_port_state(ofport); | |
9efd308e DV |
2134 | } |
2135 | /* FIXME: This check should be done on-event (i.e., when setting | |
2136 | * p->fdb_flush) and not periodically. | |
2137 | */ | |
2138 | if (rstp_check_and_reset_fdb_flush(ofproto->rstp)) { | |
2139 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); | |
2140 | /* FIXME: RSTP should be able to flush the entries pertaining to a | |
2141 | * single port, not the whole table. | |
2142 | */ | |
2143 | mac_learning_flush(ofproto->ml); | |
2144 | ovs_rwlock_unlock(&ofproto->ml->rwlock); | |
2145 | } | |
2146 | } | |
2147 | } | |
2148 | ||
21f7563c JP |
2149 | /* Configures STP on 'ofproto_' using the settings defined in 's'. */ |
2150 | static int | |
2151 | set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s) | |
2152 | { | |
2153 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2154 | ||
2155 | /* Only revalidate flows if the configuration changed. */ | |
2156 | if (!s != !ofproto->stp) { | |
2cc3c58e | 2157 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
21f7563c JP |
2158 | } |
2159 | ||
2160 | if (s) { | |
2161 | if (!ofproto->stp) { | |
2162 | ofproto->stp = stp_create(ofproto_->name, s->system_id, | |
2163 | send_bpdu_cb, ofproto); | |
2164 | ofproto->stp_last_tick = time_msec(); | |
2165 | } | |
2166 | ||
2167 | stp_set_bridge_id(ofproto->stp, s->system_id); | |
2168 | stp_set_bridge_priority(ofproto->stp, s->priority); | |
2169 | stp_set_hello_time(ofproto->stp, s->hello_time); | |
2170 | stp_set_max_age(ofproto->stp, s->max_age); | |
2171 | stp_set_forward_delay(ofproto->stp, s->fwd_delay); | |
2172 | } else { | |
851bf71d EJ |
2173 | struct ofport *ofport; |
2174 | ||
2175 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
2176 | set_stp_port(ofport, NULL); | |
2177 | } | |
2178 | ||
bd54dbcd | 2179 | stp_unref(ofproto->stp); |
21f7563c JP |
2180 | ofproto->stp = NULL; |
2181 | } | |
2182 | ||
2183 | return 0; | |
2184 | } | |
2185 | ||
2186 | static int | |
2187 | get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s) | |
2188 | { | |
2189 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2190 | ||
2191 | if (ofproto->stp) { | |
2192 | s->enabled = true; | |
2193 | s->bridge_id = stp_get_bridge_id(ofproto->stp); | |
2194 | s->designated_root = stp_get_designated_root(ofproto->stp); | |
2195 | s->root_path_cost = stp_get_root_path_cost(ofproto->stp); | |
2196 | } else { | |
2197 | s->enabled = false; | |
2198 | } | |
2199 | ||
2200 | return 0; | |
2201 | } | |
2202 | ||
2203 | static void | |
2204 | update_stp_port_state(struct ofport_dpif *ofport) | |
2205 | { | |
2206 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2207 | enum stp_state state; | |
2208 | ||
2209 | /* Figure out new state. */ | |
2210 | state = ofport->stp_port ? stp_port_get_state(ofport->stp_port) | |
2211 | : STP_DISABLED; | |
2212 | ||
2213 | /* Update state. */ | |
2214 | if (ofport->stp_state != state) { | |
9e1fd49b | 2215 | enum ofputil_port_state of_state; |
21f7563c JP |
2216 | bool fwd_change; |
2217 | ||
9a0bb428 JR |
2218 | VLOG_DBG("port %s: STP state changed from %s to %s", |
2219 | netdev_get_name(ofport->up.netdev), | |
2220 | stp_state_name(ofport->stp_state), | |
2221 | stp_state_name(state)); | |
21f7563c JP |
2222 | if (stp_learn_in_state(ofport->stp_state) |
2223 | != stp_learn_in_state(state)) { | |
2224 | /* xxx Learning action flows should also be flushed. */ | |
509c0149 | 2225 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 2226 | mac_learning_flush(ofproto->ml); |
509c0149 | 2227 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 2228 | mcast_snooping_mdb_flush(ofproto->ms); |
21f7563c JP |
2229 | } |
2230 | fwd_change = stp_forward_in_state(ofport->stp_state) | |
2231 | != stp_forward_in_state(state); | |
2232 | ||
2cc3c58e | 2233 | ofproto->backer->need_revalidate = REV_STP; |
21f7563c JP |
2234 | ofport->stp_state = state; |
2235 | ofport->stp_state_entered = time_msec(); | |
2236 | ||
b308140a | 2237 | if (fwd_change && ofport->bundle) { |
21f7563c JP |
2238 | bundle_update(ofport->bundle); |
2239 | } | |
2240 | ||
2241 | /* Update the STP state bits in the OpenFlow port description. */ | |
9e1fd49b BP |
2242 | of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK; |
2243 | of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN | |
2244 | : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN | |
2245 | : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD | |
2246 | : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK | |
2247 | : 0); | |
21f7563c JP |
2248 | ofproto_port_set_state(&ofport->up, of_state); |
2249 | } | |
2250 | } | |
2251 | ||
2252 | /* Configures STP on 'ofport_' using the settings defined in 's'. The | |
2253 | * caller is responsible for assigning STP port numbers and ensuring | |
2254 | * there are no duplicates. */ | |
2255 | static int | |
2256 | set_stp_port(struct ofport *ofport_, | |
2257 | const struct ofproto_port_stp_settings *s) | |
2258 | { | |
2259 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2260 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2261 | struct stp_port *sp = ofport->stp_port; | |
2262 | ||
2263 | if (!s || !s->enable) { | |
2264 | if (sp) { | |
2265 | ofport->stp_port = NULL; | |
2266 | stp_port_disable(sp); | |
ecd12731 | 2267 | update_stp_port_state(ofport); |
21f7563c JP |
2268 | } |
2269 | return 0; | |
2270 | } else if (sp && stp_port_no(sp) != s->port_num | |
f025bcb7 | 2271 | && ofport == stp_port_get_aux(sp)) { |
21f7563c JP |
2272 | /* The port-id changed, so disable the old one if it's not |
2273 | * already in use by another port. */ | |
2274 | stp_port_disable(sp); | |
2275 | } | |
2276 | ||
2277 | sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num); | |
21f7563c | 2278 | |
fb20b0bf JR |
2279 | /* Set name before enabling the port so that debugging messages can print |
2280 | * the name. */ | |
11306274 | 2281 | stp_port_set_name(sp, netdev_get_name(ofport->up.netdev)); |
fb20b0bf JR |
2282 | stp_port_enable(sp); |
2283 | ||
21f7563c JP |
2284 | stp_port_set_aux(sp, ofport); |
2285 | stp_port_set_priority(sp, s->priority); | |
2286 | stp_port_set_path_cost(sp, s->path_cost); | |
2287 | ||
2288 | update_stp_port_state(ofport); | |
2289 | ||
2290 | return 0; | |
2291 | } | |
2292 | ||
2293 | static int | |
2294 | get_stp_port_status(struct ofport *ofport_, | |
2295 | struct ofproto_port_stp_status *s) | |
2296 | { | |
2297 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2298 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2299 | struct stp_port *sp = ofport->stp_port; | |
2300 | ||
2301 | if (!ofproto->stp || !sp) { | |
2302 | s->enabled = false; | |
2303 | return 0; | |
2304 | } | |
2305 | ||
2306 | s->enabled = true; | |
2307 | s->port_id = stp_port_get_id(sp); | |
2308 | s->state = stp_port_get_state(sp); | |
2309 | s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000; | |
2310 | s->role = stp_port_get_role(sp); | |
fd28ce3a JS |
2311 | |
2312 | return 0; | |
2313 | } | |
2314 | ||
2315 | static int | |
2316 | get_stp_port_stats(struct ofport *ofport_, | |
2317 | struct ofproto_port_stp_stats *s) | |
2318 | { | |
2319 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2320 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2321 | struct stp_port *sp = ofport->stp_port; | |
2322 | ||
2323 | if (!ofproto->stp || !sp) { | |
2324 | s->enabled = false; | |
2325 | return 0; | |
2326 | } | |
2327 | ||
2328 | s->enabled = true; | |
80740385 | 2329 | stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count); |
21f7563c JP |
2330 | |
2331 | return 0; | |
2332 | } | |
2333 | ||
2334 | static void | |
2335 | stp_run(struct ofproto_dpif *ofproto) | |
2336 | { | |
2337 | if (ofproto->stp) { | |
2338 | long long int now = time_msec(); | |
2339 | long long int elapsed = now - ofproto->stp_last_tick; | |
2340 | struct stp_port *sp; | |
2341 | ||
2342 | if (elapsed > 0) { | |
2343 | stp_tick(ofproto->stp, MIN(INT_MAX, elapsed)); | |
2344 | ofproto->stp_last_tick = now; | |
2345 | } | |
2346 | while (stp_get_changed_port(ofproto->stp, &sp)) { | |
2347 | struct ofport_dpif *ofport = stp_port_get_aux(sp); | |
2348 | ||
2349 | if (ofport) { | |
2350 | update_stp_port_state(ofport); | |
2351 | } | |
2352 | } | |
6ae50723 EJ |
2353 | |
2354 | if (stp_check_and_reset_fdb_flush(ofproto->stp)) { | |
509c0149 | 2355 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 2356 | mac_learning_flush(ofproto->ml); |
509c0149 | 2357 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 2358 | mcast_snooping_mdb_flush(ofproto->ms); |
6ae50723 | 2359 | } |
21f7563c JP |
2360 | } |
2361 | } | |
2362 | ||
2363 | static void | |
2364 | stp_wait(struct ofproto_dpif *ofproto) | |
2365 | { | |
2366 | if (ofproto->stp) { | |
2367 | poll_timer_wait(1000); | |
2368 | } | |
2369 | } | |
9efd308e DV |
2370 | |
2371 | /* Configures RSTP on 'ofport_' using the settings defined in 's'. The | |
2372 | * caller is responsible for assigning RSTP port numbers and ensuring | |
2373 | * there are no duplicates. */ | |
2374 | static void | |
2375 | set_rstp_port(struct ofport *ofport_, | |
cc33c223 | 2376 | const struct ofproto_port_rstp_settings *s) |
9efd308e DV |
2377 | { |
2378 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2379 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2380 | struct rstp_port *rp = ofport->rstp_port; | |
9efd308e DV |
2381 | |
2382 | if (!s || !s->enable) { | |
2383 | if (rp) { | |
f025bcb7 | 2384 | rstp_port_unref(rp); |
9efd308e | 2385 | ofport->rstp_port = NULL; |
9efd308e DV |
2386 | update_rstp_port_state(ofport); |
2387 | } | |
9efd308e DV |
2388 | return; |
2389 | } | |
f025bcb7 JR |
2390 | |
2391 | /* Check if need to add a new port. */ | |
9efd308e DV |
2392 | if (!rp) { |
2393 | rp = ofport->rstp_port = rstp_add_port(ofproto->rstp); | |
2394 | } | |
9efd308e | 2395 | |
f025bcb7 JR |
2396 | rstp_port_set(rp, s->port_num, s->priority, s->path_cost, |
2397 | s->admin_edge_port, s->auto_edge, s->mcheck, ofport); | |
9efd308e | 2398 | update_rstp_port_state(ofport); |
29db47ce JR |
2399 | /* Synchronize operational status. */ |
2400 | rstp_port_set_mac_operational(rp, ofport->may_enable); | |
9efd308e DV |
2401 | } |
2402 | ||
2403 | static void | |
2404 | get_rstp_port_status(struct ofport *ofport_, | |
2405 | struct ofproto_port_rstp_status *s) | |
2406 | { | |
2407 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2408 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2409 | struct rstp_port *rp = ofport->rstp_port; | |
2410 | ||
2411 | if (!ofproto->rstp || !rp) { | |
2412 | s->enabled = false; | |
2413 | return; | |
2414 | } | |
2415 | ||
2416 | s->enabled = true; | |
f025bcb7 JR |
2417 | rstp_port_get_status(rp, &s->port_id, &s->state, &s->role, &s->tx_count, |
2418 | &s->rx_count, &s->error_count, &s->uptime); | |
9efd308e DV |
2419 | } |
2420 | ||
21f7563c | 2421 | \f |
8b36f51e | 2422 | static int |
55954f6e | 2423 | set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp, |
8b36f51e EJ |
2424 | size_t n_qdscp) |
2425 | { | |
2426 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2427 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
8b36f51e | 2428 | |
55954f6e EJ |
2429 | if (ofport->n_qdscp != n_qdscp |
2430 | || (n_qdscp && memcmp(ofport->qdscp, qdscp, | |
2431 | n_qdscp * sizeof *qdscp))) { | |
2cc3c58e | 2432 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
55954f6e EJ |
2433 | free(ofport->qdscp); |
2434 | ofport->qdscp = n_qdscp | |
2435 | ? xmemdup(qdscp, n_qdscp * sizeof *qdscp) | |
2436 | : NULL; | |
2437 | ofport->n_qdscp = n_qdscp; | |
8b36f51e EJ |
2438 | } |
2439 | ||
8b36f51e EJ |
2440 | return 0; |
2441 | } | |
2442 | \f | |
abe529af BP |
2443 | /* Bundles. */ |
2444 | ||
b44a10b7 BP |
2445 | /* Expires all MAC learning entries associated with 'bundle' and forces its |
2446 | * ofproto to revalidate every flow. | |
2447 | * | |
2448 | * Normally MAC learning entries are removed only from the ofproto associated | |
2449 | * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries | |
2450 | * are removed from every ofproto. When patch ports and SLB bonds are in use | |
2451 | * and a VM migration happens and the gratuitous ARPs are somehow lost, this | |
2452 | * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate | |
2453 | * with the host from which it migrated. */ | |
abe529af | 2454 | static void |
b44a10b7 | 2455 | bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos) |
abe529af BP |
2456 | { |
2457 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
2458 | struct mac_learning *ml = ofproto->ml; | |
2459 | struct mac_entry *mac, *next_mac; | |
2460 | ||
2cc3c58e | 2461 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
509c0149 | 2462 | ovs_rwlock_wrlock(&ml->rwlock); |
abe529af BP |
2463 | LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) { |
2464 | if (mac->port.p == bundle) { | |
b44a10b7 BP |
2465 | if (all_ofprotos) { |
2466 | struct ofproto_dpif *o; | |
2467 | ||
2468 | HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
2469 | if (o != ofproto) { | |
2470 | struct mac_entry *e; | |
2471 | ||
509c0149 | 2472 | ovs_rwlock_wrlock(&o->ml->rwlock); |
30618594 | 2473 | e = mac_learning_lookup(o->ml, mac->mac, mac->vlan); |
b44a10b7 | 2474 | if (e) { |
b44a10b7 BP |
2475 | mac_learning_expire(o->ml, e); |
2476 | } | |
509c0149 | 2477 | ovs_rwlock_unlock(&o->ml->rwlock); |
b44a10b7 BP |
2478 | } |
2479 | } | |
2480 | } | |
2481 | ||
abe529af BP |
2482 | mac_learning_expire(ml, mac); |
2483 | } | |
2484 | } | |
509c0149 | 2485 | ovs_rwlock_unlock(&ml->rwlock); |
abe529af BP |
2486 | } |
2487 | ||
2488 | static struct ofbundle * | |
2489 | bundle_lookup(const struct ofproto_dpif *ofproto, void *aux) | |
2490 | { | |
2491 | struct ofbundle *bundle; | |
2492 | ||
2493 | HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0), | |
2494 | &ofproto->bundles) { | |
2495 | if (bundle->aux == aux) { | |
2496 | return bundle; | |
2497 | } | |
2498 | } | |
2499 | return NULL; | |
2500 | } | |
2501 | ||
7bde8dd8 JP |
2502 | static void |
2503 | bundle_update(struct ofbundle *bundle) | |
2504 | { | |
2505 | struct ofport_dpif *port; | |
2506 | ||
2507 | bundle->floodable = true; | |
2508 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
9e1fd49b | 2509 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2510 | || port->is_layer3 |
9e1fd49b | 2511 | || !stp_forward_in_state(port->stp_state)) { |
7bde8dd8 JP |
2512 | bundle->floodable = false; |
2513 | break; | |
2514 | } | |
2515 | } | |
2516 | } | |
2517 | ||
abe529af BP |
2518 | static void |
2519 | bundle_del_port(struct ofport_dpif *port) | |
2520 | { | |
2521 | struct ofbundle *bundle = port->bundle; | |
2522 | ||
2cc3c58e | 2523 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6f77f4ae | 2524 | |
abe529af BP |
2525 | list_remove(&port->bundle_node); |
2526 | port->bundle = NULL; | |
2527 | ||
2528 | if (bundle->lacp) { | |
2529 | lacp_slave_unregister(bundle->lacp, port); | |
2530 | } | |
2531 | if (bundle->bond) { | |
2532 | bond_slave_unregister(bundle->bond, port); | |
2533 | } | |
2534 | ||
7bde8dd8 | 2535 | bundle_update(bundle); |
abe529af BP |
2536 | } |
2537 | ||
2538 | static bool | |
4e022ec0 | 2539 | bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port, |
df53d41c | 2540 | struct lacp_slave_settings *lacp) |
abe529af BP |
2541 | { |
2542 | struct ofport_dpif *port; | |
2543 | ||
2544 | port = get_ofp_port(bundle->ofproto, ofp_port); | |
2545 | if (!port) { | |
2546 | return false; | |
2547 | } | |
2548 | ||
2549 | if (port->bundle != bundle) { | |
2cc3c58e | 2550 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 2551 | if (port->bundle) { |
e019a574 | 2552 | bundle_remove(&port->up); |
abe529af BP |
2553 | } |
2554 | ||
2555 | port->bundle = bundle; | |
2556 | list_push_back(&bundle->ports, &port->bundle_node); | |
9e1fd49b | 2557 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2558 | || port->is_layer3 |
9e1fd49b | 2559 | || !stp_forward_in_state(port->stp_state)) { |
abe529af BP |
2560 | bundle->floodable = false; |
2561 | } | |
2562 | } | |
2563 | if (lacp) { | |
2cc3c58e | 2564 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2565 | lacp_slave_register(bundle->lacp, port, lacp); |
2566 | } | |
2567 | ||
2568 | return true; | |
2569 | } | |
2570 | ||
2571 | static void | |
2572 | bundle_destroy(struct ofbundle *bundle) | |
2573 | { | |
2574 | struct ofproto_dpif *ofproto; | |
2575 | struct ofport_dpif *port, *next_port; | |
abe529af BP |
2576 | |
2577 | if (!bundle) { | |
2578 | return; | |
2579 | } | |
2580 | ||
2581 | ofproto = bundle->ofproto; | |
ec7ceaed | 2582 | mbridge_unregister_bundle(ofproto->mbridge, bundle->aux); |
abe529af | 2583 | |
84f0f298 | 2584 | xlate_txn_start(); |
46c88433 | 2585 | xlate_bundle_remove(bundle); |
84f0f298 | 2586 | xlate_txn_commit(); |
46c88433 | 2587 | |
abe529af BP |
2588 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { |
2589 | bundle_del_port(port); | |
2590 | } | |
2591 | ||
b44a10b7 | 2592 | bundle_flush_macs(bundle, true); |
abe529af BP |
2593 | hmap_remove(&ofproto->bundles, &bundle->hmap_node); |
2594 | free(bundle->name); | |
2595 | free(bundle->trunks); | |
91779071 | 2596 | lacp_unref(bundle->lacp); |
03366a2d | 2597 | bond_unref(bundle->bond); |
abe529af BP |
2598 | free(bundle); |
2599 | } | |
2600 | ||
2601 | static int | |
2602 | bundle_set(struct ofproto *ofproto_, void *aux, | |
2603 | const struct ofproto_bundle_settings *s) | |
2604 | { | |
2605 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2606 | bool need_flush = false; | |
abe529af BP |
2607 | struct ofport_dpif *port; |
2608 | struct ofbundle *bundle; | |
ecac4ebf BP |
2609 | unsigned long *trunks; |
2610 | int vlan; | |
abe529af BP |
2611 | size_t i; |
2612 | bool ok; | |
2613 | ||
2614 | if (!s) { | |
2615 | bundle_destroy(bundle_lookup(ofproto, aux)); | |
2616 | return 0; | |
2617 | } | |
2618 | ||
cb22974d BP |
2619 | ovs_assert(s->n_slaves == 1 || s->bond != NULL); |
2620 | ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL)); | |
abe529af BP |
2621 | |
2622 | bundle = bundle_lookup(ofproto, aux); | |
2623 | if (!bundle) { | |
2624 | bundle = xmalloc(sizeof *bundle); | |
2625 | ||
2626 | bundle->ofproto = ofproto; | |
2627 | hmap_insert(&ofproto->bundles, &bundle->hmap_node, | |
2628 | hash_pointer(aux, 0)); | |
2629 | bundle->aux = aux; | |
2630 | bundle->name = NULL; | |
2631 | ||
2632 | list_init(&bundle->ports); | |
ecac4ebf | 2633 | bundle->vlan_mode = PORT_VLAN_TRUNK; |
abe529af BP |
2634 | bundle->vlan = -1; |
2635 | bundle->trunks = NULL; | |
5e9ceccd | 2636 | bundle->use_priority_tags = s->use_priority_tags; |
abe529af BP |
2637 | bundle->lacp = NULL; |
2638 | bundle->bond = NULL; | |
2639 | ||
2640 | bundle->floodable = true; | |
ec7ceaed | 2641 | mbridge_register_bundle(ofproto->mbridge, bundle); |
abe529af BP |
2642 | } |
2643 | ||
2644 | if (!bundle->name || strcmp(s->name, bundle->name)) { | |
2645 | free(bundle->name); | |
2646 | bundle->name = xstrdup(s->name); | |
2647 | } | |
2648 | ||
2649 | /* LACP. */ | |
2650 | if (s->lacp) { | |
e2d13c43 | 2651 | ofproto->lacp_enabled = true; |
abe529af | 2652 | if (!bundle->lacp) { |
2cc3c58e | 2653 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2654 | bundle->lacp = lacp_create(); |
2655 | } | |
2656 | lacp_configure(bundle->lacp, s->lacp); | |
2657 | } else { | |
91779071 | 2658 | lacp_unref(bundle->lacp); |
abe529af BP |
2659 | bundle->lacp = NULL; |
2660 | } | |
2661 | ||
2662 | /* Update set of ports. */ | |
2663 | ok = true; | |
2664 | for (i = 0; i < s->n_slaves; i++) { | |
2665 | if (!bundle_add_port(bundle, s->slaves[i], | |
df53d41c | 2666 | s->lacp ? &s->lacp_slaves[i] : NULL)) { |
abe529af BP |
2667 | ok = false; |
2668 | } | |
2669 | } | |
2670 | if (!ok || list_size(&bundle->ports) != s->n_slaves) { | |
2671 | struct ofport_dpif *next_port; | |
2672 | ||
2673 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { | |
2674 | for (i = 0; i < s->n_slaves; i++) { | |
56c769ab | 2675 | if (s->slaves[i] == port->up.ofp_port) { |
abe529af BP |
2676 | goto found; |
2677 | } | |
2678 | } | |
2679 | ||
2680 | bundle_del_port(port); | |
2681 | found: ; | |
2682 | } | |
2683 | } | |
cb22974d | 2684 | ovs_assert(list_size(&bundle->ports) <= s->n_slaves); |
abe529af BP |
2685 | |
2686 | if (list_is_empty(&bundle->ports)) { | |
2687 | bundle_destroy(bundle); | |
2688 | return EINVAL; | |
2689 | } | |
2690 | ||
ecac4ebf | 2691 | /* Set VLAN tagging mode */ |
5e9ceccd BP |
2692 | if (s->vlan_mode != bundle->vlan_mode |
2693 | || s->use_priority_tags != bundle->use_priority_tags) { | |
ecac4ebf | 2694 | bundle->vlan_mode = s->vlan_mode; |
5e9ceccd | 2695 | bundle->use_priority_tags = s->use_priority_tags; |
ecac4ebf BP |
2696 | need_flush = true; |
2697 | } | |
2698 | ||
abe529af | 2699 | /* Set VLAN tag. */ |
ecac4ebf BP |
2700 | vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1 |
2701 | : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan | |
2702 | : 0); | |
2703 | if (vlan != bundle->vlan) { | |
2704 | bundle->vlan = vlan; | |
abe529af BP |
2705 | need_flush = true; |
2706 | } | |
2707 | ||
2708 | /* Get trunked VLANs. */ | |
ecac4ebf BP |
2709 | switch (s->vlan_mode) { |
2710 | case PORT_VLAN_ACCESS: | |
2711 | trunks = NULL; | |
2712 | break; | |
2713 | ||
2714 | case PORT_VLAN_TRUNK: | |
ebc56baa | 2715 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2716 | break; |
2717 | ||
2718 | case PORT_VLAN_NATIVE_UNTAGGED: | |
2719 | case PORT_VLAN_NATIVE_TAGGED: | |
2720 | if (vlan != 0 && (!s->trunks | |
2721 | || !bitmap_is_set(s->trunks, vlan) | |
2722 | || bitmap_is_set(s->trunks, 0))) { | |
2723 | /* Force trunking the native VLAN and prohibit trunking VLAN 0. */ | |
2724 | if (s->trunks) { | |
2725 | trunks = bitmap_clone(s->trunks, 4096); | |
2726 | } else { | |
2727 | trunks = bitmap_allocate1(4096); | |
2728 | } | |
2729 | bitmap_set1(trunks, vlan); | |
2730 | bitmap_set0(trunks, 0); | |
2731 | } else { | |
ebc56baa | 2732 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2733 | } |
2734 | break; | |
2735 | ||
2736 | default: | |
428b2edd | 2737 | OVS_NOT_REACHED(); |
ecac4ebf | 2738 | } |
abe529af BP |
2739 | if (!vlan_bitmap_equal(trunks, bundle->trunks)) { |
2740 | free(bundle->trunks); | |
ecac4ebf BP |
2741 | if (trunks == s->trunks) { |
2742 | bundle->trunks = vlan_bitmap_clone(trunks); | |
2743 | } else { | |
2744 | bundle->trunks = trunks; | |
2745 | trunks = NULL; | |
2746 | } | |
abe529af BP |
2747 | need_flush = true; |
2748 | } | |
ecac4ebf BP |
2749 | if (trunks != s->trunks) { |
2750 | free(trunks); | |
2751 | } | |
abe529af BP |
2752 | |
2753 | /* Bonding. */ | |
2754 | if (!list_is_short(&bundle->ports)) { | |
2755 | bundle->ofproto->has_bonded_bundles = true; | |
2756 | if (bundle->bond) { | |
2757 | if (bond_reconfigure(bundle->bond, s->bond)) { | |
2cc3c58e | 2758 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2759 | } |
2760 | } else { | |
adcf00ba | 2761 | bundle->bond = bond_create(s->bond, ofproto); |
2cc3c58e | 2762 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2763 | } |
2764 | ||
2765 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
adcf00ba AZ |
2766 | bond_slave_register(bundle->bond, port, |
2767 | port->up.ofp_port, port->up.netdev); | |
abe529af BP |
2768 | } |
2769 | } else { | |
03366a2d | 2770 | bond_unref(bundle->bond); |
abe529af BP |
2771 | bundle->bond = NULL; |
2772 | } | |
2773 | ||
2774 | /* If we changed something that would affect MAC learning, un-learn | |
2775 | * everything on this port and force flow revalidation. */ | |
2776 | if (need_flush) { | |
b44a10b7 | 2777 | bundle_flush_macs(bundle, false); |
abe529af BP |
2778 | } |
2779 | ||
2780 | return 0; | |
2781 | } | |
2782 | ||
2783 | static void | |
2784 | bundle_remove(struct ofport *port_) | |
2785 | { | |
2786 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
2787 | struct ofbundle *bundle = port->bundle; | |
2788 | ||
2789 | if (bundle) { | |
2790 | bundle_del_port(port); | |
2791 | if (list_is_empty(&bundle->ports)) { | |
2792 | bundle_destroy(bundle); | |
2793 | } else if (list_is_short(&bundle->ports)) { | |
03366a2d | 2794 | bond_unref(bundle->bond); |
abe529af BP |
2795 | bundle->bond = NULL; |
2796 | } | |
2797 | } | |
2798 | } | |
2799 | ||
2800 | static void | |
5f877369 | 2801 | send_pdu_cb(void *port_, const void *pdu, size_t pdu_size) |
abe529af BP |
2802 | { |
2803 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10); | |
2804 | struct ofport_dpif *port = port_; | |
2805 | uint8_t ea[ETH_ADDR_LEN]; | |
2806 | int error; | |
2807 | ||
2808 | error = netdev_get_etheraddr(port->up.netdev, ea); | |
2809 | if (!error) { | |
abe529af | 2810 | struct ofpbuf packet; |
5f877369 | 2811 | void *packet_pdu; |
abe529af BP |
2812 | |
2813 | ofpbuf_init(&packet, 0); | |
2814 | packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP, | |
5f877369 EJ |
2815 | pdu_size); |
2816 | memcpy(packet_pdu, pdu, pdu_size); | |
2817 | ||
91d6cd12 | 2818 | ofproto_dpif_send_packet(port, &packet); |
abe529af BP |
2819 | ofpbuf_uninit(&packet); |
2820 | } else { | |
2821 | VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface " | |
2822 | "%s (%s)", port->bundle->name, | |
10a89ef0 | 2823 | netdev_get_name(port->up.netdev), ovs_strerror(error)); |
abe529af BP |
2824 | } |
2825 | } | |
2826 | ||
2827 | static void | |
2828 | bundle_send_learning_packets(struct ofbundle *bundle) | |
2829 | { | |
2830 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
0165217e | 2831 | struct ofpbuf *learning_packet; |
abe529af BP |
2832 | int error, n_packets, n_errors; |
2833 | struct mac_entry *e; | |
0165217e | 2834 | struct list packets; |
abe529af | 2835 | |
0165217e | 2836 | list_init(&packets); |
509c0149 | 2837 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
2838 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
2839 | if (e->port.p != bundle) { | |
4dd1e3ca | 2840 | void *port_void; |
ea131871 | 2841 | |
4dd1e3ca BP |
2842 | learning_packet = bond_compose_learning_packet(bundle->bond, |
2843 | e->mac, e->vlan, | |
2844 | &port_void); | |
cf3b7538 JR |
2845 | /* Temporarily use 'frame' as a private pointer (see below). */ |
2846 | ovs_assert(learning_packet->frame == ofpbuf_data(learning_packet)); | |
2847 | learning_packet->frame = port_void; | |
0165217e | 2848 | list_push_back(&packets, &learning_packet->list_node); |
abe529af BP |
2849 | } |
2850 | } | |
509c0149 | 2851 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 2852 | |
0165217e EJ |
2853 | error = n_packets = n_errors = 0; |
2854 | LIST_FOR_EACH (learning_packet, list_node, &packets) { | |
2855 | int ret; | |
cf3b7538 | 2856 | void *port_void = learning_packet->frame; |
0165217e | 2857 | |
cf3b7538 JR |
2858 | /* Restore 'frame'. */ |
2859 | learning_packet->frame = ofpbuf_data(learning_packet); | |
437d0d22 | 2860 | ret = ofproto_dpif_send_packet(port_void, learning_packet); |
0165217e EJ |
2861 | if (ret) { |
2862 | error = ret; | |
2863 | n_errors++; | |
2864 | } | |
2865 | n_packets++; | |
2866 | } | |
2867 | ofpbuf_list_delete(&packets); | |
2868 | ||
abe529af BP |
2869 | if (n_errors) { |
2870 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
2871 | VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning " | |
2872 | "packets, last error was: %s", | |
10a89ef0 | 2873 | bundle->name, n_errors, n_packets, ovs_strerror(error)); |
abe529af BP |
2874 | } else { |
2875 | VLOG_DBG("bond %s: sent %d gratuitous learning packets", | |
2876 | bundle->name, n_packets); | |
2877 | } | |
2878 | } | |
2879 | ||
2880 | static void | |
2881 | bundle_run(struct ofbundle *bundle) | |
2882 | { | |
2883 | if (bundle->lacp) { | |
2884 | lacp_run(bundle->lacp, send_pdu_cb); | |
2885 | } | |
2886 | if (bundle->bond) { | |
2887 | struct ofport_dpif *port; | |
2888 | ||
2889 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
015e08bc | 2890 | bond_slave_set_may_enable(bundle->bond, port, port->may_enable); |
abe529af BP |
2891 | } |
2892 | ||
4a1b8f30 EJ |
2893 | if (bond_run(bundle->bond, lacp_status(bundle->lacp))) { |
2894 | bundle->ofproto->backer->need_revalidate = REV_BOND; | |
2895 | } | |
2896 | ||
abe529af BP |
2897 | if (bond_should_send_learning_packets(bundle->bond)) { |
2898 | bundle_send_learning_packets(bundle); | |
2899 | } | |
2900 | } | |
2901 | } | |
2902 | ||
2903 | static void | |
2904 | bundle_wait(struct ofbundle *bundle) | |
2905 | { | |
2906 | if (bundle->lacp) { | |
2907 | lacp_wait(bundle->lacp); | |
2908 | } | |
2909 | if (bundle->bond) { | |
2910 | bond_wait(bundle->bond); | |
2911 | } | |
2912 | } | |
2913 | \f | |
2914 | /* Mirrors. */ | |
2915 | ||
2916 | static int | |
ec7ceaed EJ |
2917 | mirror_set__(struct ofproto *ofproto_, void *aux, |
2918 | const struct ofproto_mirror_settings *s) | |
abe529af BP |
2919 | { |
2920 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
ec7ceaed EJ |
2921 | struct ofbundle **srcs, **dsts; |
2922 | int error; | |
2923 | size_t i; | |
abe529af | 2924 | |
abe529af | 2925 | if (!s) { |
ec7ceaed | 2926 | mirror_destroy(ofproto->mbridge, aux); |
abe529af BP |
2927 | return 0; |
2928 | } | |
2929 | ||
ec7ceaed EJ |
2930 | srcs = xmalloc(s->n_srcs * sizeof *srcs); |
2931 | dsts = xmalloc(s->n_dsts * sizeof *dsts); | |
abe529af | 2932 | |
ec7ceaed EJ |
2933 | for (i = 0; i < s->n_srcs; i++) { |
2934 | srcs[i] = bundle_lookup(ofproto, s->srcs[i]); | |
abe529af BP |
2935 | } |
2936 | ||
ec7ceaed EJ |
2937 | for (i = 0; i < s->n_dsts; i++) { |
2938 | dsts[i] = bundle_lookup(ofproto, s->dsts[i]); | |
abe529af BP |
2939 | } |
2940 | ||
ec7ceaed EJ |
2941 | error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts, |
2942 | s->n_dsts, s->src_vlans, | |
2943 | bundle_lookup(ofproto, s->out_bundle), s->out_vlan); | |
2944 | free(srcs); | |
2945 | free(dsts); | |
2946 | return error; | |
abe529af BP |
2947 | } |
2948 | ||
9d24de3b | 2949 | static int |
ec7ceaed EJ |
2950 | mirror_get_stats__(struct ofproto *ofproto, void *aux, |
2951 | uint64_t *packets, uint64_t *bytes) | |
9d24de3b | 2952 | { |
ec7ceaed EJ |
2953 | return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets, |
2954 | bytes); | |
9d24de3b JP |
2955 | } |
2956 | ||
abe529af BP |
2957 | static int |
2958 | set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans) | |
2959 | { | |
2960 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 2961 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
abe529af | 2962 | if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) { |
30618594 | 2963 | mac_learning_flush(ofproto->ml); |
abe529af | 2964 | } |
509c0149 | 2965 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af BP |
2966 | return 0; |
2967 | } | |
2968 | ||
2969 | static bool | |
b4affc74 | 2970 | is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux) |
abe529af BP |
2971 | { |
2972 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2973 | struct ofbundle *bundle = bundle_lookup(ofproto, aux); | |
ec7ceaed | 2974 | return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0; |
abe529af | 2975 | } |
8402c74b SS |
2976 | |
2977 | static void | |
b53055f4 | 2978 | forward_bpdu_changed(struct ofproto *ofproto_) |
8402c74b SS |
2979 | { |
2980 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2cc3c58e | 2981 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8402c74b | 2982 | } |
e764773c BP |
2983 | |
2984 | static void | |
c4069512 BP |
2985 | set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time, |
2986 | size_t max_entries) | |
e764773c BP |
2987 | { |
2988 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 2989 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
e764773c | 2990 | mac_learning_set_idle_time(ofproto->ml, idle_time); |
c4069512 | 2991 | mac_learning_set_max_entries(ofproto->ml, max_entries); |
509c0149 | 2992 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
e764773c | 2993 | } |
7c38d0a5 FL |
2994 | |
2995 | /* Configures multicast snooping on 'ofport' using the settings | |
2996 | * defined in 's'. */ | |
2997 | static int | |
2998 | set_mcast_snooping(struct ofproto *ofproto_, | |
2999 | const struct ofproto_mcast_snooping_settings *s) | |
3000 | { | |
3001 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3002 | ||
3003 | /* Only revalidate flows if the configuration changed. */ | |
3004 | if (!s != !ofproto->ms) { | |
3005 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
3006 | } | |
3007 | ||
3008 | if (s) { | |
3009 | if (!ofproto->ms) { | |
3010 | ofproto->ms = mcast_snooping_create(); | |
3011 | } | |
3012 | ||
3013 | ovs_rwlock_wrlock(&ofproto->ms->rwlock); | |
3014 | mcast_snooping_set_idle_time(ofproto->ms, s->idle_time); | |
3015 | mcast_snooping_set_max_entries(ofproto->ms, s->max_entries); | |
3016 | if (mcast_snooping_set_flood_unreg(ofproto->ms, s->flood_unreg)) { | |
3017 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
3018 | } | |
3019 | ovs_rwlock_unlock(&ofproto->ms->rwlock); | |
3020 | } else { | |
3021 | mcast_snooping_unref(ofproto->ms); | |
3022 | ofproto->ms = NULL; | |
3023 | } | |
3024 | ||
3025 | return 0; | |
3026 | } | |
3027 | ||
3028 | /* Configures multicast snooping port's flood setting on 'ofproto'. */ | |
3029 | static int | |
3030 | set_mcast_snooping_port(struct ofproto *ofproto_, void *aux, bool flood) | |
3031 | { | |
3032 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3033 | struct ofbundle *bundle = bundle_lookup(ofproto, aux); | |
3034 | ||
3035 | if (ofproto->ms) { | |
3036 | ovs_rwlock_wrlock(&ofproto->ms->rwlock); | |
3037 | mcast_snooping_set_port_flood(ofproto->ms, bundle->vlan, bundle, | |
3038 | flood); | |
3039 | ovs_rwlock_unlock(&ofproto->ms->rwlock); | |
3040 | } | |
3041 | return 0; | |
3042 | } | |
3043 | ||
abe529af BP |
3044 | \f |
3045 | /* Ports. */ | |
3046 | ||
46c88433 | 3047 | static struct ofport_dpif * |
4e022ec0 | 3048 | get_ofp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
abe529af | 3049 | { |
7df6a8bd BP |
3050 | struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port); |
3051 | return ofport ? ofport_dpif_cast(ofport) : NULL; | |
abe529af BP |
3052 | } |
3053 | ||
abe529af | 3054 | static void |
e1b1d06a JP |
3055 | ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto, |
3056 | struct ofproto_port *ofproto_port, | |
abe529af BP |
3057 | struct dpif_port *dpif_port) |
3058 | { | |
3059 | ofproto_port->name = dpif_port->name; | |
3060 | ofproto_port->type = dpif_port->type; | |
e1b1d06a | 3061 | ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no); |
abe529af BP |
3062 | } |
3063 | ||
6cbbf4fa EJ |
3064 | static void |
3065 | ofport_update_peer(struct ofport_dpif *ofport) | |
0a740f48 EJ |
3066 | { |
3067 | const struct ofproto_dpif *ofproto; | |
6cbbf4fa | 3068 | struct dpif_backer *backer; |
161b6042 | 3069 | char *peer_name; |
6cbbf4fa EJ |
3070 | |
3071 | if (!netdev_vport_is_patch(ofport->up.netdev)) { | |
3072 | return; | |
3073 | } | |
3074 | ||
3075 | backer = ofproto_dpif_cast(ofport->up.ofproto)->backer; | |
7894e7da | 3076 | backer->need_revalidate = REV_RECONFIGURE; |
0a740f48 | 3077 | |
6cbbf4fa EJ |
3078 | if (ofport->peer) { |
3079 | ofport->peer->peer = NULL; | |
3080 | ofport->peer = NULL; | |
3081 | } | |
3082 | ||
3083 | peer_name = netdev_vport_patch_peer(ofport->up.netdev); | |
3084 | if (!peer_name) { | |
3085 | return; | |
0a740f48 EJ |
3086 | } |
3087 | ||
3088 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
6cbbf4fa EJ |
3089 | struct ofport *peer_ofport; |
3090 | struct ofport_dpif *peer; | |
161b6042 | 3091 | char *peer_peer; |
0a740f48 | 3092 | |
462abef2 EJ |
3093 | if (ofproto->backer != backer) { |
3094 | continue; | |
3095 | } | |
3096 | ||
6cbbf4fa EJ |
3097 | peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name); |
3098 | if (!peer_ofport) { | |
3099 | continue; | |
3100 | } | |
3101 | ||
3102 | peer = ofport_dpif_cast(peer_ofport); | |
3103 | peer_peer = netdev_vport_patch_peer(peer->up.netdev); | |
3104 | if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev), | |
3105 | peer_peer)) { | |
3106 | ofport->peer = peer; | |
3107 | ofport->peer->peer = ofport; | |
0a740f48 | 3108 | } |
161b6042 | 3109 | free(peer_peer); |
6cbbf4fa | 3110 | |
161b6042 | 3111 | break; |
0a740f48 | 3112 | } |
161b6042 | 3113 | free(peer_name); |
0a740f48 EJ |
3114 | } |
3115 | ||
abe529af BP |
3116 | static void |
3117 | port_run(struct ofport_dpif *ofport) | |
3118 | { | |
3e5b3fdb EJ |
3119 | long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev); |
3120 | bool carrier_changed = carrier_seq != ofport->carrier_seq; | |
015e08bc | 3121 | bool enable = netdev_get_carrier(ofport->up.netdev); |
2d344ba5 AW |
3122 | bool cfm_enable = false; |
3123 | bool bfd_enable = false; | |
015e08bc | 3124 | |
3e5b3fdb EJ |
3125 | ofport->carrier_seq = carrier_seq; |
3126 | ||
abe529af | 3127 | if (ofport->cfm) { |
4653c558 EJ |
3128 | int cfm_opup = cfm_get_opup(ofport->cfm); |
3129 | ||
2d344ba5 | 3130 | cfm_enable = !cfm_get_fault(ofport->cfm); |
4653c558 EJ |
3131 | |
3132 | if (cfm_opup >= 0) { | |
2d344ba5 | 3133 | cfm_enable = cfm_enable && cfm_opup; |
4653c558 | 3134 | } |
abe529af | 3135 | } |
015e08bc | 3136 | |
ccc09689 | 3137 | if (ofport->bfd) { |
2d344ba5 AW |
3138 | bfd_enable = bfd_forwarding(ofport->bfd); |
3139 | } | |
3140 | ||
3141 | if (ofport->bfd || ofport->cfm) { | |
3142 | enable = enable && (cfm_enable || bfd_enable); | |
ccc09689 EJ |
3143 | } |
3144 | ||
015e08bc EJ |
3145 | if (ofport->bundle) { |
3146 | enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport); | |
3e5b3fdb EJ |
3147 | if (carrier_changed) { |
3148 | lacp_slave_carrier_changed(ofport->bundle->lacp, ofport); | |
3149 | } | |
015e08bc EJ |
3150 | } |
3151 | ||
daff3353 EJ |
3152 | if (ofport->may_enable != enable) { |
3153 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
daff3353 | 3154 | |
f025bcb7 | 3155 | ofproto->backer->need_revalidate = REV_PORT_TOGGLED; |
9efd308e | 3156 | |
f025bcb7 | 3157 | if (ofport->rstp_port) { |
9efd308e DV |
3158 | rstp_port_set_mac_operational(ofport->rstp_port, enable); |
3159 | } | |
3160 | } | |
f025bcb7 JR |
3161 | |
3162 | ofport->may_enable = enable; | |
abe529af BP |
3163 | } |
3164 | ||
abe529af BP |
3165 | static int |
3166 | port_query_by_name(const struct ofproto *ofproto_, const char *devname, | |
3167 | struct ofproto_port *ofproto_port) | |
3168 | { | |
3169 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3170 | struct dpif_port dpif_port; | |
3171 | int error; | |
3172 | ||
0a740f48 EJ |
3173 | if (sset_contains(&ofproto->ghost_ports, devname)) { |
3174 | const char *type = netdev_get_type_from_name(devname); | |
3175 | ||
3176 | /* We may be called before ofproto->up.port_by_name is populated with | |
3177 | * the appropriate ofport. For this reason, we must get the name and | |
3178 | * type from the netdev layer directly. */ | |
3179 | if (type) { | |
3180 | const struct ofport *ofport; | |
3181 | ||
3182 | ofport = shash_find_data(&ofproto->up.port_by_name, devname); | |
3183 | ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE; | |
3184 | ofproto_port->name = xstrdup(devname); | |
3185 | ofproto_port->type = xstrdup(type); | |
3186 | return 0; | |
3187 | } | |
3188 | return ENODEV; | |
3189 | } | |
3190 | ||
acf60855 JP |
3191 | if (!sset_contains(&ofproto->ports, devname)) { |
3192 | return ENODEV; | |
3193 | } | |
3194 | error = dpif_port_query_by_name(ofproto->backer->dpif, | |
3195 | devname, &dpif_port); | |
abe529af | 3196 | if (!error) { |
e1b1d06a | 3197 | ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port); |
abe529af BP |
3198 | } |
3199 | return error; | |
3200 | } | |
3201 | ||
3202 | static int | |
e1b1d06a | 3203 | port_add(struct ofproto *ofproto_, struct netdev *netdev) |
abe529af BP |
3204 | { |
3205 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 3206 | const char *devname = netdev_get_name(netdev); |
3aa30359 BP |
3207 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
3208 | const char *dp_port_name; | |
abe529af | 3209 | |
0a740f48 EJ |
3210 | if (netdev_vport_is_patch(netdev)) { |
3211 | sset_add(&ofproto->ghost_ports, netdev_get_name(netdev)); | |
3212 | return 0; | |
3213 | } | |
3214 | ||
3aa30359 | 3215 | dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf); |
b9ad7294 | 3216 | if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
4e022ec0 | 3217 | odp_port_t port_no = ODPP_NONE; |
7d82ab2e KM |
3218 | int error; |
3219 | ||
3220 | error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no); | |
b9ad7294 EJ |
3221 | if (error) { |
3222 | return error; | |
3223 | } | |
7d82ab2e | 3224 | if (netdev_get_tunnel_config(netdev)) { |
4e022ec0 AW |
3225 | simap_put(&ofproto->backer->tnl_backers, |
3226 | dp_port_name, odp_to_u32(port_no)); | |
7d82ab2e | 3227 | } |
acf60855 | 3228 | } |
b9ad7294 EJ |
3229 | |
3230 | if (netdev_get_tunnel_config(netdev)) { | |
3231 | sset_add(&ofproto->ghost_ports, devname); | |
b9ad7294 EJ |
3232 | } else { |
3233 | sset_add(&ofproto->ports, devname); | |
3234 | } | |
3235 | return 0; | |
3236 | } | |
3237 | ||
abe529af | 3238 | static int |
4e022ec0 | 3239 | port_del(struct ofproto *ofproto_, ofp_port_t ofp_port) |
abe529af BP |
3240 | { |
3241 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 3242 | struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); |
e1b1d06a | 3243 | int error = 0; |
abe529af | 3244 | |
b9ad7294 EJ |
3245 | if (!ofport) { |
3246 | return 0; | |
e1b1d06a | 3247 | } |
b9ad7294 EJ |
3248 | |
3249 | sset_find_and_delete(&ofproto->ghost_ports, | |
3250 | netdev_get_name(ofport->up.netdev)); | |
a614d823 | 3251 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8911c674 | 3252 | if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) { |
b9ad7294 EJ |
3253 | error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port); |
3254 | if (!error) { | |
abe529af BP |
3255 | /* The caller is going to close ofport->up.netdev. If this is a |
3256 | * bonded port, then the bond is using that netdev, so remove it | |
3257 | * from the bond. The client will need to reconfigure everything | |
3258 | * after deleting ports, so then the slave will get re-added. */ | |
3259 | bundle_remove(&ofport->up); | |
3260 | } | |
3261 | } | |
3262 | return error; | |
3263 | } | |
3264 | ||
6527c598 PS |
3265 | static int |
3266 | port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats) | |
3267 | { | |
3268 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3269 | int error; | |
3270 | ||
3271 | error = netdev_get_stats(ofport->up.netdev, stats); | |
3272 | ||
ee382d89 | 3273 | if (!error && ofport_->ofp_port == OFPP_LOCAL) { |
6527c598 PS |
3274 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
3275 | ||
0da3c61b | 3276 | ovs_mutex_lock(&ofproto->stats_mutex); |
6527c598 PS |
3277 | /* ofproto->stats.tx_packets represents packets that we created |
3278 | * internally and sent to some port (e.g. packets sent with | |
91d6cd12 AW |
3279 | * ofproto_dpif_send_packet()). Account for them as if they had |
3280 | * come from OFPP_LOCAL and got forwarded. */ | |
6527c598 PS |
3281 | |
3282 | if (stats->rx_packets != UINT64_MAX) { | |
3283 | stats->rx_packets += ofproto->stats.tx_packets; | |
3284 | } | |
3285 | ||
3286 | if (stats->rx_bytes != UINT64_MAX) { | |
3287 | stats->rx_bytes += ofproto->stats.tx_bytes; | |
3288 | } | |
3289 | ||
3290 | /* ofproto->stats.rx_packets represents packets that were received on | |
3291 | * some port and we processed internally and dropped (e.g. STP). | |
4e090bc7 | 3292 | * Account for them as if they had been forwarded to OFPP_LOCAL. */ |
6527c598 PS |
3293 | |
3294 | if (stats->tx_packets != UINT64_MAX) { | |
3295 | stats->tx_packets += ofproto->stats.rx_packets; | |
3296 | } | |
3297 | ||
3298 | if (stats->tx_bytes != UINT64_MAX) { | |
3299 | stats->tx_bytes += ofproto->stats.rx_bytes; | |
3300 | } | |
0da3c61b | 3301 | ovs_mutex_unlock(&ofproto->stats_mutex); |
6527c598 PS |
3302 | } |
3303 | ||
3304 | return error; | |
3305 | } | |
3306 | ||
abe529af | 3307 | struct port_dump_state { |
acf60855 JP |
3308 | uint32_t bucket; |
3309 | uint32_t offset; | |
0a740f48 | 3310 | bool ghost; |
da78d43d BP |
3311 | |
3312 | struct ofproto_port port; | |
3313 | bool has_port; | |
abe529af BP |
3314 | }; |
3315 | ||
3316 | static int | |
acf60855 | 3317 | port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep) |
abe529af | 3318 | { |
0a740f48 | 3319 | *statep = xzalloc(sizeof(struct port_dump_state)); |
abe529af BP |
3320 | return 0; |
3321 | } | |
3322 | ||
3323 | static int | |
b9ad7294 | 3324 | port_dump_next(const struct ofproto *ofproto_, void *state_, |
abe529af BP |
3325 | struct ofproto_port *port) |
3326 | { | |
e1b1d06a | 3327 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
abe529af | 3328 | struct port_dump_state *state = state_; |
0a740f48 | 3329 | const struct sset *sset; |
acf60855 | 3330 | struct sset_node *node; |
abe529af | 3331 | |
da78d43d BP |
3332 | if (state->has_port) { |
3333 | ofproto_port_destroy(&state->port); | |
3334 | state->has_port = false; | |
3335 | } | |
0a740f48 EJ |
3336 | sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports; |
3337 | while ((node = sset_at_position(sset, &state->bucket, &state->offset))) { | |
acf60855 JP |
3338 | int error; |
3339 | ||
da78d43d BP |
3340 | error = port_query_by_name(ofproto_, node->name, &state->port); |
3341 | if (!error) { | |
3342 | *port = state->port; | |
3343 | state->has_port = true; | |
3344 | return 0; | |
3345 | } else if (error != ENODEV) { | |
acf60855 JP |
3346 | return error; |
3347 | } | |
abe529af | 3348 | } |
acf60855 | 3349 | |
0a740f48 EJ |
3350 | if (!state->ghost) { |
3351 | state->ghost = true; | |
3352 | state->bucket = 0; | |
3353 | state->offset = 0; | |
3354 | return port_dump_next(ofproto_, state_, port); | |
3355 | } | |
3356 | ||
acf60855 | 3357 | return EOF; |
abe529af BP |
3358 | } |
3359 | ||
3360 | static int | |
3361 | port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_) | |
3362 | { | |
3363 | struct port_dump_state *state = state_; | |
3364 | ||
da78d43d BP |
3365 | if (state->has_port) { |
3366 | ofproto_port_destroy(&state->port); | |
3367 | } | |
abe529af BP |
3368 | free(state); |
3369 | return 0; | |
3370 | } | |
3371 | ||
3372 | static int | |
3373 | port_poll(const struct ofproto *ofproto_, char **devnamep) | |
3374 | { | |
3375 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 JP |
3376 | |
3377 | if (ofproto->port_poll_errno) { | |
3378 | int error = ofproto->port_poll_errno; | |
3379 | ofproto->port_poll_errno = 0; | |
3380 | return error; | |
3381 | } | |
3382 | ||
3383 | if (sset_is_empty(&ofproto->port_poll_set)) { | |
3384 | return EAGAIN; | |
3385 | } | |
3386 | ||
3387 | *devnamep = sset_pop(&ofproto->port_poll_set); | |
3388 | return 0; | |
abe529af BP |
3389 | } |
3390 | ||
3391 | static void | |
3392 | port_poll_wait(const struct ofproto *ofproto_) | |
3393 | { | |
3394 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 3395 | dpif_port_poll_wait(ofproto->backer->dpif); |
abe529af BP |
3396 | } |
3397 | ||
3398 | static int | |
3399 | port_is_lacp_current(const struct ofport *ofport_) | |
3400 | { | |
3401 | const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3402 | return (ofport->bundle && ofport->bundle->lacp | |
3403 | ? lacp_slave_is_current(ofport->bundle->lacp, ofport) | |
3404 | : -1); | |
3405 | } | |
3406 | \f | |
e79a6c83 EJ |
3407 | /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules, |
3408 | * then delete it entirely. */ | |
3409 | static void | |
3410 | rule_expire(struct rule_dpif *rule) | |
3411 | OVS_REQUIRES(ofproto_mutex) | |
9d6ac44e | 3412 | { |
dc437090 | 3413 | uint16_t hard_timeout, idle_timeout; |
e79a6c83 | 3414 | long long int now = time_msec(); |
dc437090 | 3415 | int reason = -1; |
9d6ac44e | 3416 | |
e79a6c83 EJ |
3417 | hard_timeout = rule->up.hard_timeout; |
3418 | idle_timeout = rule->up.idle_timeout; | |
dc437090 JR |
3419 | |
3420 | /* Has 'rule' expired? */ | |
3421 | if (hard_timeout) { | |
3422 | long long int modified; | |
3423 | ||
3424 | ovs_mutex_lock(&rule->up.mutex); | |
3425 | modified = rule->up.modified; | |
3426 | ovs_mutex_unlock(&rule->up.mutex); | |
3427 | ||
3428 | if (now > modified + hard_timeout * 1000) { | |
3429 | reason = OFPRR_HARD_TIMEOUT; | |
3430 | } | |
3431 | } | |
3432 | ||
3433 | if (reason < 0 && idle_timeout) { | |
3434 | long long int used; | |
3435 | ||
3436 | ovs_mutex_lock(&rule->stats_mutex); | |
1a4ec18d | 3437 | used = rule->stats.used; |
dc437090 JR |
3438 | ovs_mutex_unlock(&rule->stats_mutex); |
3439 | ||
3440 | if (now > used + idle_timeout * 1000) { | |
3441 | reason = OFPRR_IDLE_TIMEOUT; | |
3442 | } | |
f9c37233 | 3443 | } |
501f8d1f | 3444 | |
e79a6c83 EJ |
3445 | if (reason >= 0) { |
3446 | COVERAGE_INC(ofproto_dpif_expired); | |
3447 | ofproto_rule_expire(&rule->up, reason); | |
a41d7bf2 | 3448 | } |
e79a6c83 | 3449 | } |
a41d7bf2 | 3450 | |
e79a6c83 EJ |
3451 | /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'. |
3452 | * 'flow' must reflect the data in 'packet'. */ | |
3453 | int | |
3454 | ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto, | |
3455 | const struct flow *flow, | |
3456 | struct rule_dpif *rule, | |
3457 | const struct ofpact *ofpacts, size_t ofpacts_len, | |
3458 | struct ofpbuf *packet) | |
3459 | { | |
e79a6c83 EJ |
3460 | struct dpif_flow_stats stats; |
3461 | struct xlate_out xout; | |
3462 | struct xlate_in xin; | |
3463 | ofp_port_t in_port; | |
758c456d | 3464 | struct dpif_execute execute; |
e79a6c83 | 3465 | int error; |
f9c37233 | 3466 | |
e79a6c83 | 3467 | ovs_assert((rule != NULL) != (ofpacts != NULL)); |
501f8d1f | 3468 | |
e79a6c83 | 3469 | dpif_flow_stats_extract(flow, packet, time_msec(), &stats); |
adcf00ba | 3470 | |
e79a6c83 EJ |
3471 | if (rule) { |
3472 | rule_dpif_credit_stats(rule, &stats); | |
3473 | } | |
c84451a6 | 3474 | |
cc377352 EJ |
3475 | xlate_in_init(&xin, ofproto, flow, flow->in_port.ofp_port, rule, |
3476 | stats.tcp_flags, packet); | |
e79a6c83 EJ |
3477 | xin.ofpacts = ofpacts; |
3478 | xin.ofpacts_len = ofpacts_len; | |
3479 | xin.resubmit_stats = &stats; | |
3480 | xlate_actions(&xin, &xout); | |
d445cc16 | 3481 | |
cc377352 EJ |
3482 | execute.actions = ofpbuf_data(xout.odp_actions); |
3483 | execute.actions_len = ofpbuf_size(xout.odp_actions); | |
08edf837 BP |
3484 | execute.packet = packet; |
3485 | execute.md = pkt_metadata_from_flow(flow); | |
3486 | execute.needs_help = (xout.slow & SLOW_ACTION) != 0; | |
43f9ac0a | 3487 | execute.probe = false; |
08edf837 BP |
3488 | |
3489 | /* Fix up in_port. */ | |
e79a6c83 EJ |
3490 | in_port = flow->in_port.ofp_port; |
3491 | if (in_port == OFPP_NONE) { | |
3492 | in_port = OFPP_LOCAL; | |
501f8d1f | 3493 | } |
b5e7e61a | 3494 | execute.md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port); |
758c456d JR |
3495 | |
3496 | error = dpif_execute(ofproto->backer->dpif, &execute); | |
501f8d1f | 3497 | |
e79a6c83 | 3498 | xlate_out_uninit(&xout); |
9d6ac44e | 3499 | |
e79a6c83 | 3500 | return error; |
9d6ac44e BP |
3501 | } |
3502 | ||
e79a6c83 EJ |
3503 | void |
3504 | rule_dpif_credit_stats(struct rule_dpif *rule, | |
3505 | const struct dpif_flow_stats *stats) | |
8f73d537 | 3506 | { |
e79a6c83 | 3507 | ovs_mutex_lock(&rule->stats_mutex); |
1a4ec18d JS |
3508 | rule->stats.n_packets += stats->n_packets; |
3509 | rule->stats.n_bytes += stats->n_bytes; | |
3510 | rule->stats.used = MAX(rule->stats.used, stats->used); | |
e79a6c83 | 3511 | ovs_mutex_unlock(&rule->stats_mutex); |
8f73d537 EJ |
3512 | } |
3513 | ||
e79a6c83 EJ |
3514 | ovs_be64 |
3515 | rule_dpif_get_flow_cookie(const struct rule_dpif *rule) | |
3516 | OVS_REQUIRES(rule->up.mutex) | |
3517 | { | |
3518 | return rule->up.flow_cookie; | |
3519 | } | |
cfd5c9eb | 3520 | |
e79a6c83 EJ |
3521 | void |
3522 | rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout, | |
3523 | uint16_t hard_timeout) | |
3524 | { | |
3525 | ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout); | |
6a7e895f BP |
3526 | } |
3527 | ||
e79a6c83 EJ |
3528 | /* Returns 'rule''s actions. The caller owns a reference on the returned |
3529 | * actions and must eventually release it (with rule_actions_unref()) to avoid | |
3530 | * a memory leak. */ | |
dc723c44 | 3531 | const struct rule_actions * |
e79a6c83 | 3532 | rule_dpif_get_actions(const struct rule_dpif *rule) |
6ff686f2 | 3533 | { |
e79a6c83 EJ |
3534 | return rule_get_actions(&rule->up); |
3535 | } | |
abe529af | 3536 | |
888ac0d7 SH |
3537 | /* Sets 'rule''s recirculation id. */ |
3538 | static void | |
3539 | rule_dpif_set_recirc_id(struct rule_dpif *rule, uint32_t id) | |
3540 | OVS_REQUIRES(rule->up.mutex) | |
3541 | { | |
3542 | ovs_assert(!rule->recirc_id); | |
3543 | rule->recirc_id = id; | |
3544 | } | |
3545 | ||
3546 | /* Returns 'rule''s recirculation id. */ | |
3547 | uint32_t | |
3548 | rule_dpif_get_recirc_id(struct rule_dpif *rule) | |
3549 | OVS_REQUIRES(rule->up.mutex) | |
3550 | { | |
3551 | if (!rule->recirc_id) { | |
3552 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); | |
3553 | ||
3554 | rule_dpif_set_recirc_id(rule, ofproto_dpif_alloc_recirc_id(ofproto)); | |
3555 | } | |
3556 | return rule->recirc_id; | |
3557 | } | |
3558 | ||
3559 | /* Sets 'rule''s recirculation id. */ | |
3560 | void | |
3561 | rule_set_recirc_id(struct rule *rule_, uint32_t id) | |
3562 | { | |
3563 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3564 | ||
3565 | ovs_mutex_lock(&rule->up.mutex); | |
3566 | rule_dpif_set_recirc_id(rule, id); | |
3567 | ovs_mutex_unlock(&rule->up.mutex); | |
3568 | } | |
3569 | ||
4a750708 AZ |
3570 | /* Lookup 'flow' in table 0 of 'ofproto''s classifier. |
3571 | * If 'wc' is non-null, sets the fields that were relevant as part of | |
3572 | * the lookup. Returns the table_id where a match or miss occurred. | |
3573 | * | |
3574 | * The return value will be zero unless there was a miss and | |
3575 | * OFPTC11_TABLE_MISS_CONTINUE is in effect for the sequence of tables | |
1a7c0cd7 JR |
3576 | * where misses occur. |
3577 | * | |
3578 | * The rule is returned in '*rule', which is valid at least until the next | |
3579 | * RCU quiescent period. If the '*rule' needs to stay around longer, | |
3580 | * a non-zero 'take_ref' must be passed in to cause a reference to be taken | |
3581 | * on it before this returns. */ | |
4a750708 AZ |
3582 | uint8_t |
3583 | rule_dpif_lookup(struct ofproto_dpif *ofproto, struct flow *flow, | |
1a7c0cd7 | 3584 | struct flow_wildcards *wc, struct rule_dpif **rule, |
d611866c | 3585 | bool take_ref, const struct dpif_flow_stats *stats) |
c57b2226 | 3586 | { |
6d328fa2 SH |
3587 | enum rule_dpif_lookup_verdict verdict; |
3588 | enum ofputil_port_config config = 0; | |
4a750708 AZ |
3589 | uint8_t table_id; |
3590 | ||
3591 | if (ofproto_dpif_get_enable_recirc(ofproto)) { | |
c12cea0e AZ |
3592 | /* Always exactly match recirc_id since datapath supports |
3593 | * recirculation. */ | |
3594 | if (wc) { | |
3595 | wc->masks.recirc_id = UINT32_MAX; | |
4a750708 | 3596 | } |
c12cea0e AZ |
3597 | |
3598 | /* Start looking up from internal table for post recirculation flows | |
3599 | * or packets. We can also simply send all, including normal flows | |
3600 | * or packets to the internal table. They will not match any post | |
3601 | * recirculation rules except the 'catch all' rule that resubmit | |
3602 | * them to table 0. | |
3603 | * | |
3604 | * As an optimization, we send normal flows and packets to table 0 | |
3605 | * directly, saving one table lookup. */ | |
3606 | table_id = flow->recirc_id ? TBL_INTERNAL : 0; | |
4a750708 AZ |
3607 | } else { |
3608 | table_id = 0; | |
3609 | } | |
c57b2226 | 3610 | |
6d328fa2 | 3611 | verdict = rule_dpif_lookup_from_table(ofproto, flow, wc, true, |
d611866c | 3612 | &table_id, rule, take_ref, stats); |
6d328fa2 SH |
3613 | |
3614 | switch (verdict) { | |
3615 | case RULE_DPIF_LOOKUP_VERDICT_MATCH: | |
3616 | return table_id; | |
3617 | case RULE_DPIF_LOOKUP_VERDICT_CONTROLLER: { | |
3618 | struct ofport_dpif *port; | |
3619 | ||
3620 | port = get_ofp_port(ofproto, flow->in_port.ofp_port); | |
3621 | if (!port) { | |
3622 | VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16, | |
3623 | flow->in_port.ofp_port); | |
3624 | } | |
3625 | config = port ? port->up.pp.config : 0; | |
3626 | break; | |
c57b2226 | 3627 | } |
6d328fa2 SH |
3628 | case RULE_DPIF_LOOKUP_VERDICT_DROP: |
3629 | config = OFPUTIL_PC_NO_PACKET_IN; | |
3630 | break; | |
6b83a3c5 SH |
3631 | case RULE_DPIF_LOOKUP_VERDICT_DEFAULT: |
3632 | if (!connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) { | |
3633 | config = OFPUTIL_PC_NO_PACKET_IN; | |
3634 | } | |
3635 | break; | |
6d328fa2 SH |
3636 | default: |
3637 | OVS_NOT_REACHED(); | |
ec89fc6f | 3638 | } |
c57b2226 | 3639 | |
6d328fa2 | 3640 | choose_miss_rule(config, ofproto->miss_rule, |
1a7c0cd7 | 3641 | ofproto->no_packet_in_rule, rule, take_ref); |
6d328fa2 | 3642 | return table_id; |
c57b2226 BP |
3643 | } |
3644 | ||
1a7c0cd7 JR |
3645 | /* The returned rule is valid at least until the next RCU quiescent period. |
3646 | * If the '*rule' needs to stay around longer, a non-zero 'take_ref' must be | |
3647 | * passed in to cause a reference to be taken on it before this returns. */ | |
6d328fa2 SH |
3648 | static struct rule_dpif * |
3649 | rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, uint8_t table_id, | |
1a7c0cd7 JR |
3650 | const struct flow *flow, struct flow_wildcards *wc, |
3651 | bool take_ref) | |
abe529af | 3652 | { |
6d328fa2 | 3653 | struct classifier *cls = &ofproto->up.tables[table_id].cls; |
49a0e0eb | 3654 | const struct cls_rule *cls_rule; |
6d328fa2 | 3655 | struct rule_dpif *rule; |
f5d16e55 | 3656 | struct flow ofpc_normal_flow; |
9cdaaebe | 3657 | |
6d328fa2 | 3658 | if (ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) { |
f5d16e55 JR |
3659 | /* We always unwildcard dl_type and nw_frag (for IP), so they |
3660 | * need not be unwildcarded here. */ | |
1dd35f8a | 3661 | |
6d328fa2 SH |
3662 | if (flow->nw_frag & FLOW_NW_FRAG_ANY) { |
3663 | if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) { | |
3664 | /* We must pretend that transport ports are unavailable. */ | |
f5d16e55 | 3665 | ofpc_normal_flow = *flow; |
6d328fa2 SH |
3666 | ofpc_normal_flow.tp_src = htons(0); |
3667 | ofpc_normal_flow.tp_dst = htons(0); | |
f5d16e55 | 3668 | flow = &ofpc_normal_flow; |
6d328fa2 | 3669 | } else { |
f5d16e55 JR |
3670 | /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM). |
3671 | * Use the drop_frags_rule (which cannot disappear). */ | |
6d328fa2 | 3672 | cls_rule = &ofproto->drop_frags_rule->up.cr; |
f5d16e55 JR |
3673 | rule = rule_dpif_cast(rule_from_cls_rule(cls_rule)); |
3674 | if (take_ref) { | |
3675 | rule_dpif_ref(rule); | |
3676 | } | |
3677 | return rule; | |
6d328fa2 | 3678 | } |
6d328fa2 | 3679 | } |
7257b535 | 3680 | } |
ad3efdcb | 3681 | |
f5d16e55 | 3682 | do { |
f5d16e55 | 3683 | cls_rule = classifier_lookup(cls, flow, wc); |
f5d16e55 JR |
3684 | |
3685 | rule = rule_dpif_cast(rule_from_cls_rule(cls_rule)); | |
3686 | ||
3687 | /* Try again if the rule was released before we get the reference. */ | |
3688 | } while (rule && take_ref && !rule_dpif_try_ref(rule)); | |
ad3efdcb | 3689 | |
6d328fa2 SH |
3690 | return rule; |
3691 | } | |
3692 | ||
3693 | /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'. | |
3694 | * Stores the rule that was found in '*rule', or NULL if none was found. | |
3695 | * Updates 'wc', if nonnull, to reflect the fields that were used during the | |
3696 | * lookup. | |
3697 | * | |
3698 | * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but | |
3699 | * if none is found then the table miss configuration for that table is | |
3700 | * honored, which can result in additional lookups in other OpenFlow tables. | |
3701 | * In this case the function updates '*table_id' to reflect the final OpenFlow | |
3702 | * table that was searched. | |
3703 | * | |
3704 | * If 'honor_table_miss' is false, then only one table lookup occurs, in | |
3705 | * '*table_id'. | |
3706 | * | |
3707 | * Returns: | |
3708 | * | |
3709 | * - RULE_DPIF_LOOKUP_VERDICT_MATCH if a rule (in '*rule') was found. | |
3710 | * | |
6b83a3c5 SH |
3711 | * - RULE_OFPTC_TABLE_MISS_CONTROLLER if no rule was found and either: |
3712 | * + 'honor_table_miss' is false | |
3713 | * + a table miss configuration specified that the packet should be | |
c7ee3065 | 3714 | * sent to the controller in this case. |
6d328fa2 | 3715 | * |
6b83a3c5 SH |
3716 | * - RULE_DPIF_LOOKUP_VERDICT_DROP if no rule was found, 'honor_table_miss' |
3717 | * is true and a table miss configuration specified that the packet | |
3718 | * should be dropped in this case. | |
3719 | * | |
3720 | * - RULE_DPIF_LOOKUP_VERDICT_DEFAULT if no rule was found, | |
3721 | * 'honor_table_miss' is true and a table miss configuration has | |
1a7c0cd7 JR |
3722 | * not been specified in this case. |
3723 | * | |
3724 | * The rule is returned in '*rule', which is valid at least until the next | |
3725 | * RCU quiescent period. If the '*rule' needs to stay around longer, | |
3726 | * a non-zero 'take_ref' must be passed in to cause a reference to be taken | |
3727 | * on it before this returns. */ | |
6d328fa2 SH |
3728 | enum rule_dpif_lookup_verdict |
3729 | rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto, | |
3730 | const struct flow *flow, | |
3731 | struct flow_wildcards *wc, | |
3732 | bool honor_table_miss, | |
1a7c0cd7 | 3733 | uint8_t *table_id, struct rule_dpif **rule, |
d611866c | 3734 | bool take_ref, const struct dpif_flow_stats *stats) |
6d328fa2 SH |
3735 | { |
3736 | uint8_t next_id; | |
3737 | ||
3738 | for (next_id = *table_id; | |
3739 | next_id < ofproto->up.n_tables; | |
3740 | next_id++, next_id += (next_id == TBL_INTERNAL)) | |
3741 | { | |
3742 | *table_id = next_id; | |
1a7c0cd7 JR |
3743 | *rule = rule_dpif_lookup_in_table(ofproto, *table_id, flow, wc, |
3744 | take_ref); | |
d611866c SH |
3745 | if (stats) { |
3746 | struct oftable *tbl = &ofproto->up.tables[next_id]; | |
d611866c | 3747 | unsigned long orig; |
afcea9ea JR |
3748 | |
3749 | atomic_add_relaxed(*rule ? &tbl->n_matched : &tbl->n_missed, | |
3750 | stats->n_packets, &orig); | |
d611866c | 3751 | } |
6d328fa2 SH |
3752 | if (*rule) { |
3753 | return RULE_DPIF_LOOKUP_VERDICT_MATCH; | |
3754 | } else if (!honor_table_miss) { | |
3755 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; | |
3756 | } else { | |
3c1bb396 BP |
3757 | switch (ofproto_table_get_miss_config(&ofproto->up, *table_id)) { |
3758 | case OFPUTIL_TABLE_MISS_CONTINUE: | |
6d328fa2 SH |
3759 | break; |
3760 | ||
3c1bb396 | 3761 | case OFPUTIL_TABLE_MISS_CONTROLLER: |
6d328fa2 SH |
3762 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; |
3763 | ||
3c1bb396 | 3764 | case OFPUTIL_TABLE_MISS_DROP: |
6d328fa2 | 3765 | return RULE_DPIF_LOOKUP_VERDICT_DROP; |
6b83a3c5 | 3766 | |
3c1bb396 | 3767 | case OFPUTIL_TABLE_MISS_DEFAULT: |
6b83a3c5 | 3768 | return RULE_DPIF_LOOKUP_VERDICT_DEFAULT; |
6d328fa2 SH |
3769 | } |
3770 | } | |
3771 | } | |
3772 | ||
3773 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; | |
abe529af BP |
3774 | } |
3775 | ||
ec89fc6f EJ |
3776 | /* Given a port configuration (specified as zero if there's no port), chooses |
3777 | * which of 'miss_rule' and 'no_packet_in_rule' should be used in case of a | |
1a7c0cd7 JR |
3778 | * flow table miss. |
3779 | * | |
3780 | * The rule is returned in '*rule', which is valid at least until the next | |
3781 | * RCU quiescent period. If the '*rule' needs to stay around longer, | |
3782 | * a reference must be taken on it (rule_dpif_ref()). | |
3783 | */ | |
70742c7f | 3784 | void |
ec89fc6f | 3785 | choose_miss_rule(enum ofputil_port_config config, struct rule_dpif *miss_rule, |
1a7c0cd7 JR |
3786 | struct rule_dpif *no_packet_in_rule, struct rule_dpif **rule, |
3787 | bool take_ref) | |
c376f9a3 | 3788 | { |
70742c7f | 3789 | *rule = config & OFPUTIL_PC_NO_PACKET_IN ? no_packet_in_rule : miss_rule; |
1a7c0cd7 JR |
3790 | if (take_ref) { |
3791 | rule_dpif_ref(*rule); | |
3792 | } | |
a2143702 BP |
3793 | } |
3794 | ||
7ee20df1 BP |
3795 | static void |
3796 | complete_operation(struct rule_dpif *rule) | |
15aaf599 | 3797 | OVS_REQUIRES(ofproto_mutex) |
7ee20df1 BP |
3798 | { |
3799 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); | |
3800 | ||
a1616063 | 3801 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
7ee20df1 BP |
3802 | } |
3803 | ||
70742c7f EJ |
3804 | static struct rule_dpif *rule_dpif_cast(const struct rule *rule) |
3805 | { | |
3806 | return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL; | |
3807 | } | |
3808 | ||
abe529af BP |
3809 | static struct rule * |
3810 | rule_alloc(void) | |
3811 | { | |
3812 | struct rule_dpif *rule = xmalloc(sizeof *rule); | |
3813 | return &rule->up; | |
3814 | } | |
3815 | ||
3816 | static void | |
3817 | rule_dealloc(struct rule *rule_) | |
3818 | { | |
3819 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3820 | free(rule); | |
3821 | } | |
3822 | ||
90bf1e07 | 3823 | static enum ofperr |
abe529af | 3824 | rule_construct(struct rule *rule_) |
dc437090 | 3825 | OVS_NO_THREAD_SAFETY_ANALYSIS |
abe529af BP |
3826 | { |
3827 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
97ba2d36 | 3828 | ovs_mutex_init_adaptive(&rule->stats_mutex); |
1a4ec18d JS |
3829 | rule->stats.n_packets = 0; |
3830 | rule->stats.n_bytes = 0; | |
3831 | rule->stats.used = rule->up.modified; | |
888ac0d7 SH |
3832 | rule->recirc_id = 0; |
3833 | ||
abe529af BP |
3834 | return 0; |
3835 | } | |
3836 | ||
b20f4073 | 3837 | static enum ofperr |
8037acb4 | 3838 | rule_insert(struct rule *rule_) |
15aaf599 | 3839 | OVS_REQUIRES(ofproto_mutex) |
abe529af | 3840 | { |
9fbe253e EJ |
3841 | struct rule_dpif *rule = rule_dpif_cast(rule_); |
3842 | complete_operation(rule); | |
b20f4073 | 3843 | return 0; |
8037acb4 BP |
3844 | } |
3845 | ||
3846 | static void | |
3847 | rule_delete(struct rule *rule_) | |
15aaf599 | 3848 | OVS_REQUIRES(ofproto_mutex) |
8037acb4 BP |
3849 | { |
3850 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3851 | complete_operation(rule); | |
3852 | } | |
3853 | ||
3854 | static void | |
3855 | rule_destruct(struct rule *rule_) | |
3856 | { | |
3857 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
888ac0d7 | 3858 | |
9fbe253e | 3859 | ovs_mutex_destroy(&rule->stats_mutex); |
888ac0d7 SH |
3860 | if (rule->recirc_id) { |
3861 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); | |
3862 | ||
3863 | ofproto_dpif_free_recirc_id(ofproto, rule->recirc_id); | |
3864 | } | |
abe529af BP |
3865 | } |
3866 | ||
3867 | static void | |
dc437090 JR |
3868 | rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes, |
3869 | long long int *used) | |
abe529af BP |
3870 | { |
3871 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
abe529af | 3872 | |
9fbe253e | 3873 | ovs_mutex_lock(&rule->stats_mutex); |
1a4ec18d JS |
3874 | *packets = rule->stats.n_packets; |
3875 | *bytes = rule->stats.n_bytes; | |
3876 | *used = rule->stats.used; | |
9fbe253e | 3877 | ovs_mutex_unlock(&rule->stats_mutex); |
abe529af BP |
3878 | } |
3879 | ||
0a740f48 EJ |
3880 | static void |
3881 | rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow, | |
3882 | struct ofpbuf *packet) | |
abe529af | 3883 | { |
419460f4 AW |
3884 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); |
3885 | ||
3886 | ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet); | |
0a740f48 | 3887 | } |
5bf0e941 | 3888 | |
0a740f48 EJ |
3889 | static enum ofperr |
3890 | rule_execute(struct rule *rule, const struct flow *flow, | |
3891 | struct ofpbuf *packet) | |
3892 | { | |
3893 | rule_dpif_execute(rule_dpif_cast(rule), flow, packet); | |
3894 | ofpbuf_delete(packet); | |
5bf0e941 | 3895 | return 0; |
abe529af BP |
3896 | } |
3897 | ||
7ee20df1 | 3898 | static void |
b277c7cc | 3899 | rule_modify_actions(struct rule *rule_, bool reset_counters) |
15aaf599 | 3900 | OVS_REQUIRES(ofproto_mutex) |
abe529af BP |
3901 | { |
3902 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
7ee20df1 | 3903 | |
b277c7cc BP |
3904 | if (reset_counters) { |
3905 | ovs_mutex_lock(&rule->stats_mutex); | |
1a4ec18d JS |
3906 | rule->stats.n_packets = 0; |
3907 | rule->stats.n_bytes = 0; | |
b277c7cc BP |
3908 | ovs_mutex_unlock(&rule->stats_mutex); |
3909 | } | |
3910 | ||
7ee20df1 | 3911 | complete_operation(rule); |
abe529af | 3912 | } |
00430a3f SH |
3913 | |
3914 | static struct group_dpif *group_dpif_cast(const struct ofgroup *group) | |
3915 | { | |
3916 | return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL; | |
3917 | } | |
3918 | ||
3919 | static struct ofgroup * | |
3920 | group_alloc(void) | |
3921 | { | |
3922 | struct group_dpif *group = xzalloc(sizeof *group); | |
3923 | return &group->up; | |
3924 | } | |
3925 | ||
3926 | static void | |
3927 | group_dealloc(struct ofgroup *group_) | |
3928 | { | |
3929 | struct group_dpif *group = group_dpif_cast(group_); | |
3930 | free(group); | |
3931 | } | |
3932 | ||
3933 | static void | |
3934 | group_construct_stats(struct group_dpif *group) | |
3935 | OVS_REQUIRES(group->stats_mutex) | |
3936 | { | |
1e684d7d RW |
3937 | struct ofputil_bucket *bucket; |
3938 | const struct list *buckets; | |
3939 | ||
00430a3f SH |
3940 | group->packet_count = 0; |
3941 | group->byte_count = 0; | |
1e684d7d RW |
3942 | |
3943 | group_dpif_get_buckets(group, &buckets); | |
3944 | LIST_FOR_EACH (bucket, list_node, buckets) { | |
3945 | bucket->stats.packet_count = 0; | |
3946 | bucket->stats.byte_count = 0; | |
00430a3f SH |
3947 | } |
3948 | } | |
3949 | ||
1e684d7d RW |
3950 | void |
3951 | group_dpif_credit_stats(struct group_dpif *group, | |
3952 | struct ofputil_bucket *bucket, | |
3953 | const struct dpif_flow_stats *stats) | |
3954 | { | |
3955 | ovs_mutex_lock(&group->stats_mutex); | |
3956 | group->packet_count += stats->n_packets; | |
3957 | group->byte_count += stats->n_bytes; | |
3958 | if (bucket) { | |
3959 | bucket->stats.packet_count += stats->n_packets; | |
3960 | bucket->stats.byte_count += stats->n_bytes; | |
3961 | } else { /* Credit to all buckets */ | |
3962 | const struct list *buckets; | |
3963 | ||
3964 | group_dpif_get_buckets(group, &buckets); | |
3965 | LIST_FOR_EACH (bucket, list_node, buckets) { | |
3966 | bucket->stats.packet_count += stats->n_packets; | |
3967 | bucket->stats.byte_count += stats->n_bytes; | |
3968 | } | |
3969 | } | |
3970 | ovs_mutex_unlock(&group->stats_mutex); | |
3971 | } | |
3972 | ||
00430a3f SH |
3973 | static enum ofperr |
3974 | group_construct(struct ofgroup *group_) | |
3975 | { | |
3976 | struct group_dpif *group = group_dpif_cast(group_); | |
5a070238 BP |
3977 | const struct ofputil_bucket *bucket; |
3978 | ||
3979 | /* Prevent group chaining because our locking structure makes it hard to | |
3980 | * implement deadlock-free. (See xlate_group_resource_check().) */ | |
3981 | LIST_FOR_EACH (bucket, list_node, &group->up.buckets) { | |
3982 | const struct ofpact *a; | |
3983 | ||
3984 | OFPACT_FOR_EACH (a, bucket->ofpacts, bucket->ofpacts_len) { | |
3985 | if (a->type == OFPACT_GROUP) { | |
3986 | return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED; | |
3987 | } | |
3988 | } | |
3989 | } | |
3990 | ||
97ba2d36 | 3991 | ovs_mutex_init_adaptive(&group->stats_mutex); |
00430a3f SH |
3992 | ovs_mutex_lock(&group->stats_mutex); |
3993 | group_construct_stats(group); | |
3994 | ovs_mutex_unlock(&group->stats_mutex); | |
3995 | return 0; | |
3996 | } | |
3997 | ||
00430a3f SH |
3998 | static void |
3999 | group_destruct(struct ofgroup *group_) | |
4000 | { | |
4001 | struct group_dpif *group = group_dpif_cast(group_); | |
00430a3f SH |
4002 | ovs_mutex_destroy(&group->stats_mutex); |
4003 | } | |
4004 | ||
4005 | static enum ofperr | |
809c7548 | 4006 | group_modify(struct ofgroup *group_) |
00430a3f | 4007 | { |
4c9dbc0b | 4008 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto); |
00430a3f | 4009 | |
4c9dbc0b BP |
4010 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
4011 | ||
00430a3f SH |
4012 | return 0; |
4013 | } | |
4014 | ||
4015 | static enum ofperr | |
4016 | group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs) | |
4017 | { | |
4018 | struct group_dpif *group = group_dpif_cast(group_); | |
1e684d7d RW |
4019 | struct ofputil_bucket *bucket; |
4020 | const struct list *buckets; | |
4021 | struct bucket_counter *bucket_stats; | |
00430a3f | 4022 | |
00430a3f SH |
4023 | ovs_mutex_lock(&group->stats_mutex); |
4024 | ogs->packet_count = group->packet_count; | |
4025 | ogs->byte_count = group->byte_count; | |
1e684d7d RW |
4026 | |
4027 | group_dpif_get_buckets(group, &buckets); | |
4028 | bucket_stats = ogs->bucket_stats; | |
4029 | LIST_FOR_EACH (bucket, list_node, buckets) { | |
4030 | bucket_stats->packet_count = bucket->stats.packet_count; | |
4031 | bucket_stats->byte_count = bucket->stats.byte_count; | |
4032 | bucket_stats++; | |
4033 | } | |
00430a3f SH |
4034 | ovs_mutex_unlock(&group->stats_mutex); |
4035 | ||
4036 | return 0; | |
4037 | } | |
f4fb341b | 4038 | |
809c7548 RW |
4039 | /* If the group exists, this function increments the groups's reference count. |
4040 | * | |
4041 | * Make sure to call group_dpif_unref() after no longer needing to maintain | |
4042 | * a reference to the group. */ | |
f4fb341b SH |
4043 | bool |
4044 | group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id, | |
4045 | struct group_dpif **group) | |
f4fb341b SH |
4046 | { |
4047 | struct ofgroup *ofgroup; | |
4048 | bool found; | |
4049 | ||
f4fb341b SH |
4050 | found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup); |
4051 | *group = found ? group_dpif_cast(ofgroup) : NULL; | |
4052 | ||
4053 | return found; | |
4054 | } | |
4055 | ||
f4fb341b SH |
4056 | void |
4057 | group_dpif_get_buckets(const struct group_dpif *group, | |
4058 | const struct list **buckets) | |
4059 | { | |
4060 | *buckets = &group->up.buckets; | |
4061 | } | |
4062 | ||
4063 | enum ofp11_group_type | |
4064 | group_dpif_get_type(const struct group_dpif *group) | |
4065 | { | |
4066 | return group->up.type; | |
4067 | } | |
abe529af | 4068 | \f |
97d6520b | 4069 | /* Sends 'packet' out 'ofport'. |
52a90c29 | 4070 | * May modify 'packet'. |
abe529af | 4071 | * Returns 0 if successful, otherwise a positive errno value. */ |
91d6cd12 AW |
4072 | int |
4073 | ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet) | |
abe529af | 4074 | { |
79e15b78 | 4075 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
abe529af BP |
4076 | int error; |
4077 | ||
91d6cd12 | 4078 | error = xlate_send_packet(ofport, packet); |
79e15b78 | 4079 | |
0da3c61b | 4080 | ovs_mutex_lock(&ofproto->stats_mutex); |
79e15b78 | 4081 | ofproto->stats.tx_packets++; |
1f317cb5 | 4082 | ofproto->stats.tx_bytes += ofpbuf_size(packet); |
0da3c61b | 4083 | ovs_mutex_unlock(&ofproto->stats_mutex); |
abe529af BP |
4084 | return error; |
4085 | } | |
9583bc14 EJ |
4086 | \f |
4087 | static bool | |
4088 | set_frag_handling(struct ofproto *ofproto_, | |
4089 | enum ofp_config_flags frag_handling) | |
abe529af BP |
4090 | { |
4091 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
7257b535 | 4092 | if (frag_handling != OFPC_FRAG_REASM) { |
2cc3c58e | 4093 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7257b535 BP |
4094 | return true; |
4095 | } else { | |
4096 | return false; | |
4097 | } | |
abe529af BP |
4098 | } |
4099 | ||
90bf1e07 | 4100 | static enum ofperr |
419460f4 | 4101 | packet_out(struct ofproto *ofproto_, struct ofpbuf *packet, |
abe529af | 4102 | const struct flow *flow, |
f25d0cf3 | 4103 | const struct ofpact *ofpacts, size_t ofpacts_len) |
abe529af | 4104 | { |
419460f4 AW |
4105 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
4106 | ||
4107 | ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts, | |
4108 | ofpacts_len, packet); | |
548de4dd | 4109 | return 0; |
abe529af | 4110 | } |
6fca1ffb BP |
4111 | \f |
4112 | /* NetFlow. */ | |
4113 | ||
4114 | static int | |
4115 | set_netflow(struct ofproto *ofproto_, | |
4116 | const struct netflow_options *netflow_options) | |
4117 | { | |
4118 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
4119 | ||
4120 | if (netflow_options) { | |
4121 | if (!ofproto->netflow) { | |
4122 | ofproto->netflow = netflow_create(); | |
7bab1576 | 4123 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6fca1ffb BP |
4124 | } |
4125 | return netflow_set_options(ofproto->netflow, netflow_options); | |
7bab1576 EJ |
4126 | } else if (ofproto->netflow) { |
4127 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
8e407f27 | 4128 | netflow_unref(ofproto->netflow); |
6fca1ffb | 4129 | ofproto->netflow = NULL; |
6fca1ffb | 4130 | } |
7bab1576 EJ |
4131 | |
4132 | return 0; | |
6fca1ffb | 4133 | } |
abe529af BP |
4134 | |
4135 | static void | |
4136 | get_netflow_ids(const struct ofproto *ofproto_, | |
4137 | uint8_t *engine_type, uint8_t *engine_id) | |
4138 | { | |
4139 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
4140 | ||
acf60855 | 4141 | dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id); |
abe529af BP |
4142 | } |
4143 | \f | |
4144 | static struct ofproto_dpif * | |
4145 | ofproto_dpif_lookup(const char *name) | |
4146 | { | |
b44a10b7 BP |
4147 | struct ofproto_dpif *ofproto; |
4148 | ||
4149 | HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node, | |
4150 | hash_string(name, 0), &all_ofproto_dpifs) { | |
4151 | if (!strcmp(ofproto->up.name, name)) { | |
4152 | return ofproto; | |
4153 | } | |
4154 | } | |
4155 | return NULL; | |
abe529af BP |
4156 | } |
4157 | ||
f0a3aa2e | 4158 | static void |
96e466a3 | 4159 | ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc, |
0e15264f | 4160 | const char *argv[], void *aux OVS_UNUSED) |
f0a3aa2e | 4161 | { |
490df1ef | 4162 | struct ofproto_dpif *ofproto; |
f0a3aa2e | 4163 | |
96e466a3 EJ |
4164 | if (argc > 1) { |
4165 | ofproto = ofproto_dpif_lookup(argv[1]); | |
4166 | if (!ofproto) { | |
bde9f75d | 4167 | unixctl_command_reply_error(conn, "no such bridge"); |
96e466a3 EJ |
4168 | return; |
4169 | } | |
509c0149 | 4170 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 4171 | mac_learning_flush(ofproto->ml); |
509c0149 | 4172 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 EJ |
4173 | } else { |
4174 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
509c0149 | 4175 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 4176 | mac_learning_flush(ofproto->ml); |
509c0149 | 4177 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 | 4178 | } |
f0a3aa2e | 4179 | } |
f0a3aa2e | 4180 | |
bde9f75d | 4181 | unixctl_command_reply(conn, "table successfully flushed"); |
f0a3aa2e AA |
4182 | } |
4183 | ||
08fdcc12 FL |
4184 | static void |
4185 | ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn *conn, int argc, | |
4186 | const char *argv[], void *aux OVS_UNUSED) | |
4187 | { | |
4188 | struct ofproto_dpif *ofproto; | |
4189 | ||
4190 | if (argc > 1) { | |
4191 | ofproto = ofproto_dpif_lookup(argv[1]); | |
4192 | if (!ofproto) { | |
4193 | unixctl_command_reply_error(conn, "no such bridge"); | |
4194 | return; | |
4195 | } | |
4196 | ||
4197 | if (!mcast_snooping_enabled(ofproto->ms)) { | |
4198 | unixctl_command_reply_error(conn, "multicast snooping is disabled"); | |
4199 | return; | |
4200 | } | |
4201 | mcast_snooping_mdb_flush(ofproto->ms); | |
4202 | } else { | |
4203 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
4204 | if (!mcast_snooping_enabled(ofproto->ms)) { | |
4205 | continue; | |
4206 | } | |
4207 | mcast_snooping_mdb_flush(ofproto->ms); | |
4208 | } | |
4209 | } | |
4210 | ||
4211 | unixctl_command_reply(conn, "table successfully flushed"); | |
4212 | } | |
4213 | ||
46c88433 EJ |
4214 | static struct ofport_dpif * |
4215 | ofbundle_get_a_port(const struct ofbundle *bundle) | |
4216 | { | |
4217 | return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif, | |
4218 | bundle_node); | |
4219 | } | |
4220 | ||
abe529af | 4221 | static void |
0e15264f BP |
4222 | ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
4223 | const char *argv[], void *aux OVS_UNUSED) | |
abe529af BP |
4224 | { |
4225 | struct ds ds = DS_EMPTY_INITIALIZER; | |
4226 | const struct ofproto_dpif *ofproto; | |
4227 | const struct mac_entry *e; | |
4228 | ||
0e15264f | 4229 | ofproto = ofproto_dpif_lookup(argv[1]); |
abe529af | 4230 | if (!ofproto) { |
bde9f75d | 4231 | unixctl_command_reply_error(conn, "no such bridge"); |
abe529af BP |
4232 | return; |
4233 | } | |
4234 | ||
4235 | ds_put_cstr(&ds, " port VLAN MAC Age\n"); | |
509c0149 | 4236 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
4237 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
4238 | struct ofbundle *bundle = e->port.p; | |
ad28062f BP |
4239 | char name[OFP_MAX_PORT_NAME_LEN]; |
4240 | ||
4241 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
4242 | name, sizeof name); | |
4243 | ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n", | |
4244 | name, e->vlan, ETH_ADDR_ARGS(e->mac), | |
e764773c | 4245 | mac_entry_age(ofproto->ml, e)); |
abe529af | 4246 | } |
509c0149 | 4247 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
bde9f75d | 4248 | unixctl_command_reply(conn, ds_cstr(&ds)); |
abe529af BP |
4249 | ds_destroy(&ds); |
4250 | } | |
4251 | ||
08fdcc12 FL |
4252 | static void |
4253 | ofproto_unixctl_mcast_snooping_show(struct unixctl_conn *conn, | |
4254 | int argc OVS_UNUSED, | |
4255 | const char *argv[], | |
4256 | void *aux OVS_UNUSED) | |
4257 | { | |
4258 | struct ds ds = DS_EMPTY_INITIALIZER; | |
4259 | const struct ofproto_dpif *ofproto; | |
4260 | const struct ofbundle *bundle; | |
4261 | const struct mcast_group *grp; | |
4262 | struct mcast_group_bundle *b; | |
4263 | struct mcast_mrouter_bundle *mrouter; | |
4264 | ||
4265 | ofproto = ofproto_dpif_lookup(argv[1]); | |
4266 | if (!ofproto) { | |
4267 | unixctl_command_reply_error(conn, "no such bridge"); | |
4268 | return; | |
4269 | } | |
4270 | ||
4271 | if (!mcast_snooping_enabled(ofproto->ms)) { | |
4272 | unixctl_command_reply_error(conn, "multicast snooping is disabled"); | |
4273 | return; | |
4274 | } | |
4275 | ||
4276 | ds_put_cstr(&ds, " port VLAN GROUP Age\n"); | |
4277 | ovs_rwlock_rdlock(&ofproto->ms->rwlock); | |
4278 | LIST_FOR_EACH (grp, group_node, &ofproto->ms->group_lru) { | |
4279 | LIST_FOR_EACH(b, bundle_node, &grp->bundle_lru) { | |
4280 | char name[OFP_MAX_PORT_NAME_LEN]; | |
4281 | ||
4282 | bundle = b->port; | |
4283 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
4284 | name, sizeof name); | |
4285 | ds_put_format(&ds, "%5s %4d "IP_FMT" %3d\n", | |
4286 | name, grp->vlan, IP_ARGS(grp->ip4), | |
4287 | mcast_bundle_age(ofproto->ms, b)); | |
4288 | } | |
4289 | } | |
4290 | ||
4291 | /* ports connected to multicast routers */ | |
4292 | LIST_FOR_EACH(mrouter, mrouter_node, &ofproto->ms->mrouter_lru) { | |
4293 | char name[OFP_MAX_PORT_NAME_LEN]; | |
4294 | ||
4295 | bundle = mrouter->port; | |
4296 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
4297 | name, sizeof name); | |
4298 | ds_put_format(&ds, "%5s %4d querier %3d\n", | |
4299 | name, mrouter->vlan, | |
4300 | mcast_mrouter_age(ofproto->ms, mrouter)); | |
4301 | } | |
4302 | ovs_rwlock_unlock(&ofproto->ms->rwlock); | |
4303 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4304 | ds_destroy(&ds); | |
4305 | } | |
4306 | ||
6a6455e5 | 4307 | struct trace_ctx { |
bbafd73b EJ |
4308 | struct xlate_out xout; |
4309 | struct xlate_in xin; | |
ce58df5b | 4310 | const struct flow *key; |
abe529af | 4311 | struct flow flow; |
41a91a0b | 4312 | struct flow_wildcards wc; |
abe529af BP |
4313 | struct ds *result; |
4314 | }; | |
4315 | ||
4316 | static void | |
4d0acc70 | 4317 | trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule) |
abe529af | 4318 | { |
dc723c44 | 4319 | const struct rule_actions *actions; |
15aaf599 BP |
4320 | ovs_be64 cookie; |
4321 | ||
abe529af BP |
4322 | ds_put_char_multiple(result, '\t', level); |
4323 | if (!rule) { | |
4324 | ds_put_cstr(result, "No match\n"); | |
4325 | return; | |
4326 | } | |
4327 | ||
15aaf599 BP |
4328 | ovs_mutex_lock(&rule->up.mutex); |
4329 | cookie = rule->up.flow_cookie; | |
4330 | ovs_mutex_unlock(&rule->up.mutex); | |
4331 | ||
29901626 | 4332 | ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ", |
15aaf599 | 4333 | rule ? rule->up.table_id : 0, ntohll(cookie)); |
79feb7df | 4334 | cls_rule_format(&rule->up.cr, result); |
abe529af BP |
4335 | ds_put_char(result, '\n'); |
4336 | ||
15aaf599 BP |
4337 | actions = rule_dpif_get_actions(rule); |
4338 | ||
abe529af | 4339 | ds_put_char_multiple(result, '\t', level); |
455ecd77 | 4340 | ds_put_cstr(result, "OpenFlow actions="); |
15aaf599 | 4341 | ofpacts_format(actions->ofpacts, actions->ofpacts_len, result); |
abe529af BP |
4342 | ds_put_char(result, '\n'); |
4343 | } | |
4344 | ||
4345 | static void | |
4346 | trace_format_flow(struct ds *result, int level, const char *title, | |
bbafd73b | 4347 | struct trace_ctx *trace) |
abe529af BP |
4348 | { |
4349 | ds_put_char_multiple(result, '\t', level); | |
4350 | ds_put_format(result, "%s: ", title); | |
ce58df5b JR |
4351 | /* Do not report unchanged flows for resubmits. */ |
4352 | if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow)) | |
4353 | || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) { | |
abe529af BP |
4354 | ds_put_cstr(result, "unchanged"); |
4355 | } else { | |
bbafd73b EJ |
4356 | flow_format(result, &trace->xin.flow); |
4357 | trace->flow = trace->xin.flow; | |
abe529af BP |
4358 | } |
4359 | ds_put_char(result, '\n'); | |
4360 | } | |
4361 | ||
eb9e1c26 EJ |
4362 | static void |
4363 | trace_format_regs(struct ds *result, int level, const char *title, | |
6a6455e5 | 4364 | struct trace_ctx *trace) |
eb9e1c26 EJ |
4365 | { |
4366 | size_t i; | |
4367 | ||
4368 | ds_put_char_multiple(result, '\t', level); | |
4369 | ds_put_format(result, "%s:", title); | |
4370 | for (i = 0; i < FLOW_N_REGS; i++) { | |
34582733 | 4371 | ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]); |
eb9e1c26 EJ |
4372 | } |
4373 | ds_put_char(result, '\n'); | |
4374 | } | |
4375 | ||
1ed8d352 EJ |
4376 | static void |
4377 | trace_format_odp(struct ds *result, int level, const char *title, | |
6a6455e5 | 4378 | struct trace_ctx *trace) |
1ed8d352 | 4379 | { |
cc377352 | 4380 | struct ofpbuf *odp_actions = trace->xout.odp_actions; |
1ed8d352 EJ |
4381 | |
4382 | ds_put_char_multiple(result, '\t', level); | |
4383 | ds_put_format(result, "%s: ", title); | |
1f317cb5 PS |
4384 | format_odp_actions(result, ofpbuf_data(odp_actions), |
4385 | ofpbuf_size(odp_actions)); | |
1ed8d352 EJ |
4386 | ds_put_char(result, '\n'); |
4387 | } | |
4388 | ||
41a91a0b AW |
4389 | static void |
4390 | trace_format_megaflow(struct ds *result, int level, const char *title, | |
4391 | struct trace_ctx *trace) | |
4392 | { | |
4393 | struct match match; | |
4394 | ||
4395 | ds_put_char_multiple(result, '\t', level); | |
4396 | ds_put_format(result, "%s: ", title); | |
4397 | flow_wildcards_or(&trace->wc, &trace->xout.wc, &trace->wc); | |
ce58df5b | 4398 | match_init(&match, trace->key, &trace->wc); |
41a91a0b AW |
4399 | match_format(&match, result, OFP_DEFAULT_PRIORITY); |
4400 | ds_put_char(result, '\n'); | |
4401 | } | |
4402 | ||
abe529af | 4403 | static void |
4d0acc70 | 4404 | trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse) |
abe529af | 4405 | { |
4d0acc70 | 4406 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
abe529af BP |
4407 | struct ds *result = trace->result; |
4408 | ||
4409 | ds_put_char(result, '\n'); | |
4d0acc70 EJ |
4410 | trace_format_flow(result, recurse + 1, "Resubmitted flow", trace); |
4411 | trace_format_regs(result, recurse + 1, "Resubmitted regs", trace); | |
4412 | trace_format_odp(result, recurse + 1, "Resubmitted odp", trace); | |
41a91a0b | 4413 | trace_format_megaflow(result, recurse + 1, "Resubmitted megaflow", trace); |
4d0acc70 | 4414 | trace_format_rule(result, recurse + 1, rule); |
abe529af BP |
4415 | } |
4416 | ||
479df176 | 4417 | static void |
4d0acc70 | 4418 | trace_report(struct xlate_in *xin, const char *s, int recurse) |
479df176 | 4419 | { |
4d0acc70 | 4420 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
479df176 BP |
4421 | struct ds *result = trace->result; |
4422 | ||
4d0acc70 | 4423 | ds_put_char_multiple(result, '\t', recurse); |
479df176 BP |
4424 | ds_put_cstr(result, s); |
4425 | ds_put_char(result, '\n'); | |
4426 | } | |
4427 | ||
b6f00895 BP |
4428 | /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following |
4429 | * forms are supported: | |
4430 | * | |
4431 | * - [dpname] odp_flow [-generate | packet] | |
4432 | * - bridge br_flow [-generate | packet] | |
4433 | * | |
4434 | * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure | |
316078c7 JR |
4435 | * returns a nonnull malloced error message. */ |
4436 | static char * WARN_UNUSED_RESULT | |
b6f00895 BP |
4437 | parse_flow_and_packet(int argc, const char *argv[], |
4438 | struct ofproto_dpif **ofprotop, struct flow *flow, | |
4439 | struct ofpbuf **packetp) | |
abe529af | 4440 | { |
0a37839c | 4441 | const struct dpif_backer *backer = NULL; |
b6f00895 | 4442 | const char *error = NULL; |
316078c7 | 4443 | char *m_err = NULL; |
b6f00895 | 4444 | struct simap port_names = SIMAP_INITIALIZER(&port_names); |
876b0e1c | 4445 | struct ofpbuf *packet; |
b6f00895 BP |
4446 | struct ofpbuf odp_key; |
4447 | struct ofpbuf odp_mask; | |
abe529af | 4448 | |
50aa28fd | 4449 | ofpbuf_init(&odp_key, 0); |
ea5e3887 | 4450 | ofpbuf_init(&odp_mask, 0); |
abe529af | 4451 | |
50aa28fd AW |
4452 | /* Handle "-generate" or a hex string as the last argument. */ |
4453 | if (!strcmp(argv[argc - 1], "-generate")) { | |
4454 | packet = ofpbuf_new(0); | |
4455 | argc--; | |
4456 | } else { | |
b6f00895 | 4457 | error = eth_from_hex(argv[argc - 1], &packet); |
50aa28fd AW |
4458 | if (!error) { |
4459 | argc--; | |
4460 | } else if (argc == 4) { | |
4461 | /* The 3-argument form must end in "-generate' or a hex string. */ | |
50aa28fd AW |
4462 | goto exit; |
4463 | } | |
316078c7 | 4464 | error = NULL; |
e84173dc | 4465 | } |
876b0e1c | 4466 | |
0a37839c GS |
4467 | /* odp_flow can have its in_port specified as a name instead of port no. |
4468 | * We do not yet know whether a given flow is a odp_flow or a br_flow. | |
4469 | * But, to know whether a flow is odp_flow through odp_flow_from_string(), | |
4470 | * we need to create a simap of name to port no. */ | |
4471 | if (argc == 3) { | |
4472 | const char *dp_type; | |
4473 | if (!strncmp(argv[1], "ovs-", 4)) { | |
4474 | dp_type = argv[1] + 4; | |
4475 | } else { | |
4476 | dp_type = argv[1]; | |
4477 | } | |
4478 | backer = shash_find_data(&all_dpif_backers, dp_type); | |
b6f00895 | 4479 | } else if (argc == 2) { |
0a37839c GS |
4480 | struct shash_node *node; |
4481 | if (shash_count(&all_dpif_backers) == 1) { | |
4482 | node = shash_first(&all_dpif_backers); | |
4483 | backer = node->data; | |
4484 | } | |
b6f00895 BP |
4485 | } else { |
4486 | error = "Syntax error"; | |
4487 | goto exit; | |
0a37839c GS |
4488 | } |
4489 | if (backer && backer->dpif) { | |
4490 | struct dpif_port dpif_port; | |
4491 | struct dpif_port_dump port_dump; | |
4492 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) { | |
4493 | simap_put(&port_names, dpif_port.name, | |
4494 | odp_to_u32(dpif_port.port_no)); | |
4495 | } | |
4496 | } | |
4497 | ||
50aa28fd AW |
4498 | /* Parse the flow and determine whether a datapath or |
4499 | * bridge is specified. If function odp_flow_key_from_string() | |
4500 | * returns 0, the flow is a odp_flow. If function | |
316078c7 | 4501 | * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */ |
b6f00895 BP |
4502 | if (!odp_flow_from_string(argv[argc - 1], &port_names, |
4503 | &odp_key, &odp_mask)) { | |
0a37839c | 4504 | if (!backer) { |
b6f00895 | 4505 | error = "Cannot find the datapath"; |
0a37839c | 4506 | goto exit; |
876b0e1c | 4507 | } |
8b3b8dd1 | 4508 | |
cc377352 EJ |
4509 | if (odp_flow_key_to_flow(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key), |
4510 | flow) == ODP_FIT_ERROR) { | |
4511 | error = "Failed to parse flow key"; | |
4512 | goto exit; | |
4513 | } | |
4514 | ||
ef377a58 JR |
4515 | *ofprotop = xlate_lookup_ofproto(backer, flow, |
4516 | &flow->in_port.ofp_port); | |
4517 | if (*ofprotop == NULL) { | |
b6f00895 | 4518 | error = "Invalid datapath flow"; |
50aa28fd | 4519 | goto exit; |
8b3b8dd1 | 4520 | } |
cc377352 EJ |
4521 | |
4522 | vsp_adjust_flow(*ofprotop, flow, NULL); | |
4523 | ||
316078c7 JR |
4524 | } else { |
4525 | char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL); | |
876b0e1c | 4526 | |
316078c7 JR |
4527 | if (err) { |
4528 | m_err = xasprintf("Bad flow syntax: %s", err); | |
4529 | free(err); | |
50aa28fd | 4530 | goto exit; |
316078c7 JR |
4531 | } else { |
4532 | if (argc != 3) { | |
4533 | error = "Must specify bridge name"; | |
4534 | goto exit; | |
4535 | } | |
4536 | ||
4537 | *ofprotop = ofproto_dpif_lookup(argv[1]); | |
4538 | if (!*ofprotop) { | |
4539 | error = "Unknown bridge name"; | |
4540 | goto exit; | |
4541 | } | |
50aa28fd | 4542 | } |
abe529af BP |
4543 | } |
4544 | ||
50aa28fd AW |
4545 | /* Generate a packet, if requested. */ |
4546 | if (packet) { | |
1f317cb5 | 4547 | if (!ofpbuf_size(packet)) { |
b6f00895 | 4548 | flow_compose(packet, flow); |
50aa28fd | 4549 | } else { |
fc3431c6 | 4550 | struct pkt_metadata md = pkt_metadata_from_flow(flow); |
50aa28fd AW |
4551 | |
4552 | /* Use the metadata from the flow and the packet argument | |
4553 | * to reconstruct the flow. */ | |
b5e7e61a | 4554 | flow_extract(packet, &md, flow); |
50aa28fd AW |
4555 | } |
4556 | } | |
4557 | ||
6a6455e5 | 4558 | exit: |
316078c7 JR |
4559 | if (error && !m_err) { |
4560 | m_err = xstrdup(error); | |
4561 | } | |
4562 | if (m_err) { | |
b6f00895 BP |
4563 | ofpbuf_delete(packet); |
4564 | packet = NULL; | |
4565 | } | |
4566 | *packetp = packet; | |
6a6455e5 | 4567 | ofpbuf_uninit(&odp_key); |
ea5e3887 | 4568 | ofpbuf_uninit(&odp_mask); |
0a37839c | 4569 | simap_destroy(&port_names); |
316078c7 | 4570 | return m_err; |
b6f00895 BP |
4571 | } |
4572 | ||
4573 | static void | |
4574 | ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[], | |
4575 | void *aux OVS_UNUSED) | |
4576 | { | |
4577 | struct ofproto_dpif *ofproto; | |
4578 | struct ofpbuf *packet; | |
316078c7 | 4579 | char *error; |
b6f00895 BP |
4580 | struct flow flow; |
4581 | ||
4582 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
4583 | if (!error) { | |
4584 | struct ds result; | |
4585 | ||
4586 | ds_init(&result); | |
aee0979b | 4587 | ofproto_trace(ofproto, &flow, packet, NULL, 0, &result); |
b6f00895 BP |
4588 | unixctl_command_reply(conn, ds_cstr(&result)); |
4589 | ds_destroy(&result); | |
4590 | ofpbuf_delete(packet); | |
4591 | } else { | |
4592 | unixctl_command_reply_error(conn, error); | |
316078c7 | 4593 | free(error); |
b6f00895 | 4594 | } |
6a6455e5 EJ |
4595 | } |
4596 | ||
aee0979b BP |
4597 | static void |
4598 | ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc, | |
4599 | const char *argv[], void *aux OVS_UNUSED) | |
4600 | { | |
4601 | enum ofputil_protocol usable_protocols; | |
4602 | struct ofproto_dpif *ofproto; | |
4603 | bool enforce_consistency; | |
4604 | struct ofpbuf ofpacts; | |
4605 | struct ofpbuf *packet; | |
4606 | struct ds result; | |
4607 | struct flow flow; | |
4608 | uint16_t in_port; | |
4609 | ||
4610 | /* Three kinds of error return values! */ | |
4611 | enum ofperr retval; | |
316078c7 | 4612 | char *error; |
aee0979b BP |
4613 | |
4614 | packet = NULL; | |
4615 | ds_init(&result); | |
4616 | ofpbuf_init(&ofpacts, 0); | |
4617 | ||
4618 | /* Parse actions. */ | |
c2d936a4 | 4619 | error = ofpacts_parse_actions(argv[--argc], &ofpacts, &usable_protocols); |
316078c7 JR |
4620 | if (error) { |
4621 | unixctl_command_reply_error(conn, error); | |
4622 | free(error); | |
aee0979b BP |
4623 | goto exit; |
4624 | } | |
4625 | ||
4626 | /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of | |
ba2fe8e9 BP |
4627 | * consistency between the flow and the actions. With -consistent, we |
4628 | * enforce consistency even for a flow supported in OpenFlow 1.0. */ | |
aee0979b BP |
4629 | if (!strcmp(argv[1], "-consistent")) { |
4630 | enforce_consistency = true; | |
4631 | argv++; | |
4632 | argc--; | |
ba2fe8e9 BP |
4633 | } else { |
4634 | enforce_consistency = false; | |
aee0979b BP |
4635 | } |
4636 | ||
4637 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
4638 | if (error) { | |
4639 | unixctl_command_reply_error(conn, error); | |
316078c7 | 4640 | free(error); |
aee0979b BP |
4641 | goto exit; |
4642 | } | |
4643 | ||
4644 | /* Do the same checks as handle_packet_out() in ofproto.c. | |
4645 | * | |
4646 | * We pass a 'table_id' of 0 to ofproto_check_ofpacts(), which isn't | |
4647 | * strictly correct because these actions aren't in any table, but it's OK | |
4648 | * because it 'table_id' is used only to check goto_table instructions, but | |
4649 | * packet-outs take a list of actions and therefore it can't include | |
4650 | * instructions. | |
4651 | * | |
4652 | * We skip the "meter" check here because meter is an instruction, not an | |
4653 | * action, and thus cannot appear in ofpacts. */ | |
4654 | in_port = ofp_to_u16(flow.in_port.ofp_port); | |
4655 | if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) { | |
4656 | unixctl_command_reply_error(conn, "invalid in_port"); | |
4657 | goto exit; | |
4658 | } | |
ba2fe8e9 | 4659 | if (enforce_consistency) { |
1f317cb5 PS |
4660 | retval = ofpacts_check_consistency(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), |
4661 | &flow, u16_to_ofp(ofproto->up.max_ports), | |
ba2fe8e9 BP |
4662 | 0, 0, usable_protocols); |
4663 | } else { | |
1f317cb5 | 4664 | retval = ofpacts_check(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &flow, |
ba2fe8e9 BP |
4665 | u16_to_ofp(ofproto->up.max_ports), 0, 0, |
4666 | &usable_protocols); | |
4667 | } | |
4668 | ||
aee0979b BP |
4669 | if (retval) { |
4670 | ds_clear(&result); | |
4671 | ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval)); | |
4672 | unixctl_command_reply_error(conn, ds_cstr(&result)); | |
4673 | goto exit; | |
4674 | } | |
4675 | ||
1f317cb5 PS |
4676 | ofproto_trace(ofproto, &flow, packet, |
4677 | ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &result); | |
aee0979b BP |
4678 | unixctl_command_reply(conn, ds_cstr(&result)); |
4679 | ||
4680 | exit: | |
4681 | ds_destroy(&result); | |
4682 | ofpbuf_delete(packet); | |
4683 | ofpbuf_uninit(&ofpacts); | |
4684 | } | |
4685 | ||
4686 | /* Implements a "trace" through 'ofproto''s flow table, appending a textual | |
4687 | * description of the results to 'ds'. | |
4688 | * | |
4689 | * The trace follows a packet with the specified 'flow' through the flow | |
4690 | * table. 'packet' may be nonnull to trace an actual packet, with consequent | |
4691 | * side effects (if it is nonnull then its flow must be 'flow'). | |
4692 | * | |
4693 | * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to | |
4694 | * trace, otherwise the actions are determined by a flow table lookup. */ | |
ade6ad9c | 4695 | static void |
adcf00ba | 4696 | ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow, |
aee0979b BP |
4697 | const struct ofpbuf *packet, |
4698 | const struct ofpact ofpacts[], size_t ofpacts_len, | |
4699 | struct ds *ds) | |
6a6455e5 EJ |
4700 | { |
4701 | struct rule_dpif *rule; | |
41a91a0b | 4702 | struct trace_ctx trace; |
6a6455e5 | 4703 | |
aee0979b | 4704 | ds_put_format(ds, "Bridge: %s\n", ofproto->up.name); |
6a6455e5 EJ |
4705 | ds_put_cstr(ds, "Flow: "); |
4706 | flow_format(ds, flow); | |
4707 | ds_put_char(ds, '\n'); | |
abe529af | 4708 | |
41a91a0b | 4709 | flow_wildcards_init_catchall(&trace.wc); |
aee0979b BP |
4710 | if (ofpacts) { |
4711 | rule = NULL; | |
4712 | } else { | |
d611866c | 4713 | rule_dpif_lookup(ofproto, flow, &trace.wc, &rule, false, NULL); |
aee0979b BP |
4714 | |
4715 | trace_format_rule(ds, 0, rule); | |
4716 | if (rule == ofproto->miss_rule) { | |
4717 | ds_put_cstr(ds, "\nNo match, flow generates \"packet in\"s.\n"); | |
4718 | } else if (rule == ofproto->no_packet_in_rule) { | |
4719 | ds_put_cstr(ds, "\nNo match, packets dropped because " | |
4720 | "OFPPC_NO_PACKET_IN is set on in_port.\n"); | |
4721 | } else if (rule == ofproto->drop_frags_rule) { | |
4722 | ds_put_cstr(ds, "\nPackets dropped because they are IP fragments " | |
4723 | "and the fragment handling mode is \"drop\".\n"); | |
4724 | } | |
c57b2226 BP |
4725 | } |
4726 | ||
aee0979b | 4727 | if (rule || ofpacts) { |
6a6455e5 | 4728 | trace.result = ds; |
ce58df5b JR |
4729 | trace.key = flow; /* Original flow key, used for megaflow. */ |
4730 | trace.flow = *flow; /* May be modified by actions. */ | |
cc377352 EJ |
4731 | xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, rule, |
4732 | ntohs(flow->tcp_flags), packet); | |
aee0979b BP |
4733 | if (ofpacts) { |
4734 | trace.xin.ofpacts = ofpacts; | |
4735 | trace.xin.ofpacts_len = ofpacts_len; | |
4736 | } | |
bbafd73b EJ |
4737 | trace.xin.resubmit_hook = trace_resubmit; |
4738 | trace.xin.report_hook = trace_report; | |
bcd2633a | 4739 | |
bbafd73b | 4740 | xlate_actions(&trace.xin, &trace.xout); |
abe529af | 4741 | |
6a6455e5 EJ |
4742 | ds_put_char(ds, '\n'); |
4743 | trace_format_flow(ds, 0, "Final flow", &trace); | |
41a91a0b | 4744 | trace_format_megaflow(ds, 0, "Megaflow", &trace); |
bcd2633a | 4745 | |
6a6455e5 | 4746 | ds_put_cstr(ds, "Datapath actions: "); |
cc377352 EJ |
4747 | format_odp_actions(ds, ofpbuf_data(trace.xout.odp_actions), |
4748 | ofpbuf_size(trace.xout.odp_actions)); | |
876b0e1c | 4749 | |
bbafd73b | 4750 | if (trace.xout.slow) { |
04594cd5 BP |
4751 | enum slow_path_reason slow; |
4752 | ||
6a7e895f BP |
4753 | ds_put_cstr(ds, "\nThis flow is handled by the userspace " |
4754 | "slow path because it:"); | |
04594cd5 BP |
4755 | |
4756 | slow = trace.xout.slow; | |
4757 | while (slow) { | |
4758 | enum slow_path_reason bit = rightmost_1bit(slow); | |
4759 | ||
4760 | ds_put_format(ds, "\n\t- %s.", | |
4761 | slow_path_reason_to_explanation(bit)); | |
4762 | ||
4763 | slow &= ~bit; | |
6a7e895f | 4764 | } |
876b0e1c | 4765 | } |
bbafd73b EJ |
4766 | |
4767 | xlate_out_uninit(&trace.xout); | |
abe529af | 4768 | } |
abe529af BP |
4769 | } |
4770 | ||
27022416 JP |
4771 | /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list |
4772 | * of the 'ofproto_shash' nodes. It is the responsibility of the caller | |
4773 | * to destroy 'ofproto_shash' and free the returned value. */ | |
4774 | static const struct shash_node ** | |
4775 | get_ofprotos(struct shash *ofproto_shash) | |
4776 | { | |
4777 | const struct ofproto_dpif *ofproto; | |
4778 | ||
4779 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
4780 | char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name); | |
4781 | shash_add_nocopy(ofproto_shash, name, ofproto); | |
4782 | } | |
4783 | ||
4784 | return shash_sort(ofproto_shash); | |
4785 | } | |
4786 | ||
4787 | static void | |
4788 | ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4789 | const char *argv[] OVS_UNUSED, | |
4790 | void *aux OVS_UNUSED) | |
4791 | { | |
4792 | struct ds ds = DS_EMPTY_INITIALIZER; | |
4793 | struct shash ofproto_shash; | |
4794 | const struct shash_node **sorted_ofprotos; | |
4795 | int i; | |
4796 | ||
4797 | shash_init(&ofproto_shash); | |
4798 | sorted_ofprotos = get_ofprotos(&ofproto_shash); | |
4799 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
4800 | const struct shash_node *node = sorted_ofprotos[i]; | |
4801 | ds_put_format(&ds, "%s\n", node->name); | |
4802 | } | |
4803 | ||
4804 | shash_destroy(&ofproto_shash); | |
4805 | free(sorted_ofprotos); | |
4806 | ||
4807 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4808 | ds_destroy(&ds); | |
4809 | } | |
4810 | ||
dc54ef36 EJ |
4811 | static void |
4812 | dpif_show_backer(const struct dpif_backer *backer, struct ds *ds) | |
27022416 | 4813 | { |
dc54ef36 | 4814 | const struct shash_node **ofprotos; |
e79a6c83 | 4815 | struct dpif_dp_stats dp_stats; |
dc54ef36 | 4816 | struct shash ofproto_shash; |
09672174 | 4817 | size_t i; |
655ab909 | 4818 | |
e79a6c83 | 4819 | dpif_get_dp_stats(backer->dpif, &dp_stats); |
655ab909 | 4820 | |
dc54ef36 | 4821 | ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n", |
e79a6c83 | 4822 | dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed); |
dc54ef36 | 4823 | |
dc54ef36 EJ |
4824 | shash_init(&ofproto_shash); |
4825 | ofprotos = get_ofprotos(&ofproto_shash); | |
4826 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
4827 | struct ofproto_dpif *ofproto = ofprotos[i]->data; | |
4828 | const struct shash_node **ports; | |
4829 | size_t j; | |
0a740f48 | 4830 | |
dc54ef36 EJ |
4831 | if (ofproto->backer != backer) { |
4832 | continue; | |
0a740f48 | 4833 | } |
27022416 | 4834 | |
e79a6c83 | 4835 | ds_put_format(ds, "\t%s:\n", ofproto->up.name); |
dc54ef36 EJ |
4836 | |
4837 | ports = shash_sort(&ofproto->up.port_by_name); | |
4838 | for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) { | |
4839 | const struct shash_node *node = ports[j]; | |
4840 | struct ofport *ofport = node->data; | |
4841 | struct smap config; | |
4e022ec0 | 4842 | odp_port_t odp_port; |
27022416 | 4843 | |
dc54ef36 EJ |
4844 | ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev), |
4845 | ofport->ofp_port); | |
27022416 | 4846 | |
dc54ef36 | 4847 | odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port); |
4e022ec0 | 4848 | if (odp_port != ODPP_NONE) { |
dc54ef36 EJ |
4849 | ds_put_format(ds, "%"PRIu32":", odp_port); |
4850 | } else { | |
4851 | ds_put_cstr(ds, "none:"); | |
4852 | } | |
27022416 | 4853 | |
dc54ef36 | 4854 | ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev)); |
27022416 | 4855 | |
dc54ef36 EJ |
4856 | smap_init(&config); |
4857 | if (!netdev_get_config(ofport->netdev, &config)) { | |
4858 | const struct smap_node **nodes; | |
4859 | size_t i; | |
27022416 | 4860 | |
dc54ef36 EJ |
4861 | nodes = smap_sort(&config); |
4862 | for (i = 0; i < smap_count(&config); i++) { | |
4863 | const struct smap_node *node = nodes[i]; | |
4864 | ds_put_format(ds, "%c %s=%s", i ? ',' : ':', | |
4865 | node->key, node->value); | |
4866 | } | |
4867 | free(nodes); | |
27022416 | 4868 | } |
dc54ef36 EJ |
4869 | smap_destroy(&config); |
4870 | ||
27022416 | 4871 | ds_put_char(ds, ')'); |
dc54ef36 | 4872 | ds_put_char(ds, '\n'); |
27022416 | 4873 | } |
dc54ef36 | 4874 | free(ports); |
27022416 | 4875 | } |
dc54ef36 EJ |
4876 | shash_destroy(&ofproto_shash); |
4877 | free(ofprotos); | |
27022416 JP |
4878 | } |
4879 | ||
4880 | static void | |
dc54ef36 EJ |
4881 | ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
4882 | const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED) | |
27022416 JP |
4883 | { |
4884 | struct ds ds = DS_EMPTY_INITIALIZER; | |
dc54ef36 EJ |
4885 | const struct shash_node **backers; |
4886 | int i; | |
27022416 | 4887 | |
dc54ef36 EJ |
4888 | backers = shash_sort(&all_dpif_backers); |
4889 | for (i = 0; i < shash_count(&all_dpif_backers); i++) { | |
4890 | dpif_show_backer(backers[i]->data, &ds); | |
27022416 | 4891 | } |
dc54ef36 | 4892 | free(backers); |
27022416 JP |
4893 | |
4894 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4895 | ds_destroy(&ds); | |
4896 | } | |
4897 | ||
4898 | static void | |
4899 | ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn, | |
4900 | int argc OVS_UNUSED, const char *argv[], | |
4901 | void *aux OVS_UNUSED) | |
4902 | { | |
27022416 | 4903 | const struct ofproto_dpif *ofproto; |
ac64794a BP |
4904 | |
4905 | struct ds ds = DS_EMPTY_INITIALIZER; | |
04b541df | 4906 | bool verbosity = false; |
ac64794a | 4907 | |
04b541df GS |
4908 | struct dpif_port dpif_port; |
4909 | struct dpif_port_dump port_dump; | |
4910 | struct hmap portno_names; | |
ac64794a BP |
4911 | |
4912 | struct dpif_flow_dump *flow_dump; | |
4913 | struct dpif_flow_dump_thread *flow_dump_thread; | |
4914 | struct dpif_flow f; | |
938eaa50 | 4915 | int error; |
27022416 | 4916 | |
04b541df | 4917 | ofproto = ofproto_dpif_lookup(argv[argc - 1]); |
27022416 JP |
4918 | if (!ofproto) { |
4919 | unixctl_command_reply_error(conn, "no such bridge"); | |
4920 | return; | |
4921 | } | |
4922 | ||
04b541df GS |
4923 | if (argc > 2 && !strcmp(argv[1], "-m")) { |
4924 | verbosity = true; | |
4925 | } | |
4926 | ||
4927 | hmap_init(&portno_names); | |
4928 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) { | |
4929 | odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name); | |
4930 | } | |
4931 | ||
1b849273 | 4932 | ds_init(&ds); |
ac64794a BP |
4933 | flow_dump = dpif_flow_dump_create(ofproto->backer->dpif); |
4934 | flow_dump_thread = dpif_flow_dump_thread_create(flow_dump); | |
4935 | while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) { | |
ef377a58 JR |
4936 | struct flow flow; |
4937 | ||
4938 | if (odp_flow_key_to_flow(f.key, f.key_len, &flow) == ODP_FIT_ERROR | |
4939 | || xlate_lookup_ofproto(ofproto->backer, &flow, NULL) != ofproto) { | |
04d08d54 EJ |
4940 | continue; |
4941 | } | |
4942 | ||
ac64794a BP |
4943 | odp_flow_format(f.key, f.key_len, f.mask, f.mask_len, |
4944 | &portno_names, &ds, verbosity); | |
1b849273 | 4945 | ds_put_cstr(&ds, ", "); |
ac64794a | 4946 | dpif_flow_stats_format(&f.stats, &ds); |
27022416 | 4947 | ds_put_cstr(&ds, ", actions:"); |
ac64794a | 4948 | format_odp_actions(&ds, f.actions, f.actions_len); |
27022416 JP |
4949 | ds_put_char(&ds, '\n'); |
4950 | } | |
ac64794a BP |
4951 | dpif_flow_dump_thread_destroy(flow_dump_thread); |
4952 | error = dpif_flow_dump_destroy(flow_dump); | |
27022416 | 4953 | |
938eaa50 | 4954 | if (error) { |
1b849273 JS |
4955 | ds_clear(&ds); |
4956 | ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno)); | |
4957 | unixctl_command_reply_error(conn, ds_cstr(&ds)); | |
4958 | } else { | |
4959 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4960 | } | |
04b541df GS |
4961 | odp_portno_names_destroy(&portno_names); |
4962 | hmap_destroy(&portno_names); | |
27022416 JP |
4963 | ds_destroy(&ds); |
4964 | } | |
4965 | ||
abe529af BP |
4966 | static void |
4967 | ofproto_dpif_unixctl_init(void) | |
4968 | { | |
4969 | static bool registered; | |
4970 | if (registered) { | |
4971 | return; | |
4972 | } | |
4973 | registered = true; | |
4974 | ||
0e15264f BP |
4975 | unixctl_command_register( |
4976 | "ofproto/trace", | |
dc8ce81f | 4977 | "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]", |
50aa28fd | 4978 | 1, 3, ofproto_unixctl_trace, NULL); |
aee0979b BP |
4979 | unixctl_command_register( |
4980 | "ofproto/trace-packet-out", | |
4981 | "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions", | |
4982 | 2, 6, ofproto_unixctl_trace_actions, NULL); | |
96e466a3 | 4983 | unixctl_command_register("fdb/flush", "[bridge]", 0, 1, |
0e15264f BP |
4984 | ofproto_unixctl_fdb_flush, NULL); |
4985 | unixctl_command_register("fdb/show", "bridge", 1, 1, | |
4986 | ofproto_unixctl_fdb_show, NULL); | |
08fdcc12 FL |
4987 | unixctl_command_register("mdb/flush", "[bridge]", 0, 1, |
4988 | ofproto_unixctl_mcast_snooping_flush, NULL); | |
4989 | unixctl_command_register("mdb/show", "bridge", 1, 1, | |
4990 | ofproto_unixctl_mcast_snooping_show, NULL); | |
27022416 JP |
4991 | unixctl_command_register("dpif/dump-dps", "", 0, 0, |
4992 | ofproto_unixctl_dpif_dump_dps, NULL); | |
dc54ef36 EJ |
4993 | unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show, |
4994 | NULL); | |
04b541df | 4995 | unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2, |
27022416 | 4996 | ofproto_unixctl_dpif_dump_flows, NULL); |
abe529af | 4997 | } |
32260212 | 4998 | |
56c091ec SH |
4999 | /* Returns true if 'table' is the table used for internal rules, |
5000 | * false otherwise. */ | |
5001 | bool | |
5002 | table_is_internal(uint8_t table_id) | |
5003 | { | |
5004 | return table_id == TBL_INTERNAL; | |
5005 | } | |
abe529af | 5006 | \f |
52a90c29 BP |
5007 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
5008 | * | |
5009 | * This is deprecated. It is only for compatibility with broken device drivers | |
5010 | * in old versions of Linux that do not properly support VLANs when VLAN | |
5011 | * devices are not used. When broken device drivers are no longer in | |
5012 | * widespread use, we will delete these interfaces. */ | |
5013 | ||
5014 | static int | |
4e022ec0 | 5015 | set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
5016 | { |
5017 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
5018 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
5019 | ||
5020 | if (realdev_ofp_port == ofport->realdev_ofp_port | |
5021 | && vid == ofport->vlandev_vid) { | |
5022 | return 0; | |
5023 | } | |
5024 | ||
2cc3c58e | 5025 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
52a90c29 BP |
5026 | |
5027 | if (ofport->realdev_ofp_port) { | |
5028 | vsp_remove(ofport); | |
5029 | } | |
5030 | if (realdev_ofp_port && ofport->bundle) { | |
5031 | /* vlandevs are enslaved to their realdevs, so they are not allowed to | |
5032 | * themselves be part of a bundle. */ | |
adcf00ba | 5033 | bundle_set(ofport_->ofproto, ofport->bundle, NULL); |
52a90c29 BP |
5034 | } |
5035 | ||
5036 | ofport->realdev_ofp_port = realdev_ofp_port; | |
5037 | ofport->vlandev_vid = vid; | |
5038 | ||
5039 | if (realdev_ofp_port) { | |
5040 | vsp_add(ofport, realdev_ofp_port, vid); | |
5041 | } | |
5042 | ||
5043 | return 0; | |
5044 | } | |
5045 | ||
5046 | static uint32_t | |
4e022ec0 | 5047 | hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid) |
52a90c29 | 5048 | { |
4e022ec0 | 5049 | return hash_2words(ofp_to_u16(realdev_ofp_port), vid); |
52a90c29 BP |
5050 | } |
5051 | ||
46c88433 EJ |
5052 | bool |
5053 | ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto) | |
13501305 | 5054 | OVS_EXCLUDED(ofproto->vsp_mutex) |
46c88433 | 5055 | { |
7614e5d0 JR |
5056 | /* hmap_is_empty is thread safe. */ |
5057 | return !hmap_is_empty(&ofproto->realdev_vid_map); | |
46c88433 EJ |
5058 | } |
5059 | ||
f5374617 | 5060 | |
13501305 EJ |
5061 | static ofp_port_t |
5062 | vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto, | |
5063 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
5064 | OVS_REQUIRES(ofproto->vsp_mutex) | |
52a90c29 BP |
5065 | { |
5066 | if (!hmap_is_empty(&ofproto->realdev_vid_map)) { | |
52a90c29 BP |
5067 | int vid = vlan_tci_to_vid(vlan_tci); |
5068 | const struct vlan_splinter *vsp; | |
5069 | ||
5070 | HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node, | |
5071 | hash_realdev_vid(realdev_ofp_port, vid), | |
5072 | &ofproto->realdev_vid_map) { | |
5073 | if (vsp->realdev_ofp_port == realdev_ofp_port | |
5074 | && vsp->vid == vid) { | |
deea1200 | 5075 | return vsp->vlandev_ofp_port; |
52a90c29 BP |
5076 | } |
5077 | } | |
5078 | } | |
deea1200 | 5079 | return realdev_ofp_port; |
52a90c29 BP |
5080 | } |
5081 | ||
13501305 EJ |
5082 | /* Returns the OFP port number of the Linux VLAN device that corresponds to |
5083 | * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in | |
5084 | * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and | |
5085 | * 'vlan_tci' 9, it would return the port number of eth0.9. | |
5086 | * | |
5087 | * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this | |
5088 | * function just returns its 'realdev_ofp_port' argument. */ | |
5089 | ofp_port_t | |
5090 | vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto, | |
5091 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
5092 | OVS_EXCLUDED(ofproto->vsp_mutex) | |
5093 | { | |
5094 | ofp_port_t ret; | |
5095 | ||
7614e5d0 JR |
5096 | /* hmap_is_empty is thread safe, see if we can return immediately. */ |
5097 | if (hmap_is_empty(&ofproto->realdev_vid_map)) { | |
5098 | return realdev_ofp_port; | |
5099 | } | |
13501305 EJ |
5100 | ovs_mutex_lock(&ofproto->vsp_mutex); |
5101 | ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci); | |
5102 | ovs_mutex_unlock(&ofproto->vsp_mutex); | |
5103 | return ret; | |
5104 | } | |
5105 | ||
52a90c29 | 5106 | static struct vlan_splinter * |
4e022ec0 | 5107 | vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port) |
52a90c29 BP |
5108 | { |
5109 | struct vlan_splinter *vsp; | |
5110 | ||
4e022ec0 | 5111 | HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node, |
f9c0c3ec | 5112 | hash_ofp_port(vlandev_ofp_port), |
52a90c29 BP |
5113 | &ofproto->vlandev_map) { |
5114 | if (vsp->vlandev_ofp_port == vlandev_ofp_port) { | |
5115 | return vsp; | |
5116 | } | |
5117 | } | |
5118 | ||
5119 | return NULL; | |
5120 | } | |
5121 | ||
40e05935 BP |
5122 | /* Returns the OpenFlow port number of the "real" device underlying the Linux |
5123 | * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the | |
5124 | * VLAN VID of the Linux VLAN device in '*vid'. For example, given | |
5125 | * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of | |
5126 | * eth0 and store 9 in '*vid'. | |
5127 | * | |
5128 | * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux | |
5129 | * VLAN device. Unless VLAN splinters are enabled, this is what this function | |
5130 | * always does.*/ | |
4e022ec0 | 5131 | static ofp_port_t |
52a90c29 | 5132 | vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto, |
4e022ec0 | 5133 | ofp_port_t vlandev_ofp_port, int *vid) |
bd3950dd | 5134 | OVS_REQUIRES(ofproto->vsp_mutex) |
52a90c29 BP |
5135 | { |
5136 | if (!hmap_is_empty(&ofproto->vlandev_map)) { | |
5137 | const struct vlan_splinter *vsp; | |
5138 | ||
5139 | vsp = vlandev_find(ofproto, vlandev_ofp_port); | |
5140 | if (vsp) { | |
5141 | if (vid) { | |
5142 | *vid = vsp->vid; | |
5143 | } | |
5144 | return vsp->realdev_ofp_port; | |
5145 | } | |
5146 | } | |
5147 | return 0; | |
5148 | } | |
5149 | ||
b98d8985 BP |
5150 | /* Given 'flow', a flow representing a packet received on 'ofproto', checks |
5151 | * whether 'flow->in_port' represents a Linux VLAN device. If so, changes | |
5152 | * 'flow->in_port' to the "real" device backing the VLAN device, sets | |
cc377352 EJ |
5153 | * 'flow->vlan_tci' to the VLAN VID, and returns true. Optionally pushes the |
5154 | * appropriate VLAN on 'packet' if provided. Otherwise (which is always the | |
5155 | * case unless VLAN splinters are enabled), returns false without making any | |
5156 | * changes. */ | |
8449c4d6 | 5157 | bool |
cc377352 EJ |
5158 | vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow, |
5159 | struct ofpbuf *packet) | |
13501305 | 5160 | OVS_EXCLUDED(ofproto->vsp_mutex) |
b98d8985 | 5161 | { |
4e022ec0 | 5162 | ofp_port_t realdev; |
b98d8985 BP |
5163 | int vid; |
5164 | ||
7614e5d0 JR |
5165 | /* hmap_is_empty is thread safe. */ |
5166 | if (hmap_is_empty(&ofproto->vlandev_map)) { | |
5167 | return false; | |
5168 | } | |
5169 | ||
13501305 | 5170 | ovs_mutex_lock(&ofproto->vsp_mutex); |
4e022ec0 | 5171 | realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid); |
13501305 | 5172 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
b98d8985 BP |
5173 | if (!realdev) { |
5174 | return false; | |
5175 | } | |
5176 | ||
5177 | /* Cause the flow to be processed as if it came in on the real device with | |
5178 | * the VLAN device's VLAN ID. */ | |
4e022ec0 | 5179 | flow->in_port.ofp_port = realdev; |
b98d8985 | 5180 | flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI); |
cc377352 EJ |
5181 | |
5182 | if (packet) { | |
5183 | /* Make the packet resemble the flow, so that it gets sent to an | |
5184 | * OpenFlow controller properly, so that it looks correct for sFlow, | |
5185 | * and so that flow_extract() will get the correct vlan_tci if it is | |
5186 | * called on 'packet'. */ | |
5187 | eth_push_vlan(packet, htons(ETH_TYPE_VLAN), flow->vlan_tci); | |
5188 | } | |
5189 | ||
b98d8985 BP |
5190 | return true; |
5191 | } | |
5192 | ||
52a90c29 BP |
5193 | static void |
5194 | vsp_remove(struct ofport_dpif *port) | |
5195 | { | |
5196 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
5197 | struct vlan_splinter *vsp; | |
5198 | ||
13501305 | 5199 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 BP |
5200 | vsp = vlandev_find(ofproto, port->up.ofp_port); |
5201 | if (vsp) { | |
5202 | hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node); | |
5203 | hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node); | |
5204 | free(vsp); | |
5205 | ||
5206 | port->realdev_ofp_port = 0; | |
5207 | } else { | |
5208 | VLOG_ERR("missing vlan device record"); | |
5209 | } | |
13501305 | 5210 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 BP |
5211 | } |
5212 | ||
5213 | static void | |
4e022ec0 | 5214 | vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
5215 | { |
5216 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
5217 | ||
13501305 | 5218 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 | 5219 | if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL) |
13501305 | 5220 | && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid)) |
52a90c29 BP |
5221 | == realdev_ofp_port)) { |
5222 | struct vlan_splinter *vsp; | |
5223 | ||
5224 | vsp = xmalloc(sizeof *vsp); | |
52a90c29 BP |
5225 | vsp->realdev_ofp_port = realdev_ofp_port; |
5226 | vsp->vlandev_ofp_port = port->up.ofp_port; | |
5227 | vsp->vid = vid; | |
5228 | ||
5229 | port->realdev_ofp_port = realdev_ofp_port; | |
13501305 EJ |
5230 | |
5231 | hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node, | |
5232 | hash_ofp_port(port->up.ofp_port)); | |
5233 | hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node, | |
5234 | hash_realdev_vid(realdev_ofp_port, vid)); | |
52a90c29 BP |
5235 | } else { |
5236 | VLOG_ERR("duplicate vlan device record"); | |
5237 | } | |
13501305 | 5238 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 | 5239 | } |
e1b1d06a | 5240 | |
46c88433 | 5241 | static odp_port_t |
4e022ec0 | 5242 | ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
e1b1d06a JP |
5243 | { |
5244 | const struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); | |
4e022ec0 | 5245 | return ofport ? ofport->odp_port : ODPP_NONE; |
e1b1d06a JP |
5246 | } |
5247 | ||
8449c4d6 | 5248 | struct ofport_dpif * |
4e022ec0 | 5249 | odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port) |
e1b1d06a JP |
5250 | { |
5251 | struct ofport_dpif *port; | |
5252 | ||
8449c4d6 | 5253 | ovs_rwlock_rdlock(&backer->odp_to_ofport_lock); |
f9c0c3ec | 5254 | HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port), |
acf60855 | 5255 | &backer->odp_to_ofport_map) { |
e1b1d06a | 5256 | if (port->odp_port == odp_port) { |
8449c4d6 | 5257 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 | 5258 | return port; |
e1b1d06a JP |
5259 | } |
5260 | } | |
5261 | ||
8449c4d6 | 5262 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 JP |
5263 | return NULL; |
5264 | } | |
5265 | ||
4e022ec0 AW |
5266 | static ofp_port_t |
5267 | odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port) | |
acf60855 JP |
5268 | { |
5269 | struct ofport_dpif *port; | |
5270 | ||
5271 | port = odp_port_to_ofport(ofproto->backer, odp_port); | |
6472ba11 | 5272 | if (port && &ofproto->up == port->up.ofproto) { |
acf60855 JP |
5273 | return port->up.ofp_port; |
5274 | } else { | |
5275 | return OFPP_NONE; | |
5276 | } | |
e1b1d06a | 5277 | } |
655ab909 | 5278 | |
f5374617 AZ |
5279 | uint32_t |
5280 | ofproto_dpif_alloc_recirc_id(struct ofproto_dpif *ofproto) | |
5281 | { | |
5282 | struct dpif_backer *backer = ofproto->backer; | |
5283 | ||
5284 | return recirc_id_alloc(backer->rid_pool); | |
5285 | } | |
5286 | ||
5287 | void | |
5288 | ofproto_dpif_free_recirc_id(struct ofproto_dpif *ofproto, uint32_t recirc_id) | |
5289 | { | |
5290 | struct dpif_backer *backer = ofproto->backer; | |
5291 | ||
5292 | recirc_id_free(backer->rid_pool, recirc_id); | |
5293 | } | |
5294 | ||
adcf00ba AZ |
5295 | int |
5296 | ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto, | |
fe99c360 | 5297 | const struct match *match, int priority, |
290ad78a | 5298 | uint16_t idle_timeout, |
adcf00ba AZ |
5299 | const struct ofpbuf *ofpacts, |
5300 | struct rule **rulep) | |
5301 | { | |
5302 | struct ofputil_flow_mod fm; | |
5303 | struct rule_dpif *rule; | |
5304 | int error; | |
5305 | ||
5306 | fm.match = *match; | |
5307 | fm.priority = priority; | |
5308 | fm.new_cookie = htonll(0); | |
5309 | fm.cookie = htonll(0); | |
5310 | fm.cookie_mask = htonll(0); | |
5311 | fm.modify_cookie = false; | |
5312 | fm.table_id = TBL_INTERNAL; | |
5313 | fm.command = OFPFC_ADD; | |
290ad78a | 5314 | fm.idle_timeout = idle_timeout; |
adcf00ba AZ |
5315 | fm.hard_timeout = 0; |
5316 | fm.buffer_id = 0; | |
5317 | fm.out_port = 0; | |
5318 | fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY; | |
8bd43ce6 JR |
5319 | fm.ofpacts = ofpbuf_data(ofpacts); |
5320 | fm.ofpacts_len = ofpbuf_size(ofpacts); | |
adcf00ba AZ |
5321 | |
5322 | error = ofproto_flow_mod(&ofproto->up, &fm); | |
5323 | if (error) { | |
5324 | VLOG_ERR_RL(&rl, "failed to add internal flow (%s)", | |
5325 | ofperr_to_string(error)); | |
5326 | *rulep = NULL; | |
5327 | return error; | |
5328 | } | |
5329 | ||
fe99c360 AZ |
5330 | rule = rule_dpif_lookup_in_table(ofproto, TBL_INTERNAL, &fm.match.flow, |
5331 | &fm.match.wc, false); | |
adcf00ba | 5332 | if (rule) { |
adcf00ba AZ |
5333 | *rulep = &rule->up; |
5334 | } else { | |
5335 | OVS_NOT_REACHED(); | |
5336 | } | |
5337 | return 0; | |
5338 | } | |
5339 | ||
5340 | int | |
5341 | ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto, | |
5342 | struct match *match, int priority) | |
5343 | { | |
5344 | struct ofputil_flow_mod fm; | |
5345 | int error; | |
5346 | ||
5347 | fm.match = *match; | |
5348 | fm.priority = priority; | |
5349 | fm.new_cookie = htonll(0); | |
5350 | fm.cookie = htonll(0); | |
5351 | fm.cookie_mask = htonll(0); | |
5352 | fm.modify_cookie = false; | |
5353 | fm.table_id = TBL_INTERNAL; | |
5354 | fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY; | |
5355 | fm.command = OFPFC_DELETE_STRICT; | |
5356 | ||
5357 | error = ofproto_flow_mod(&ofproto->up, &fm); | |
5358 | if (error) { | |
5359 | VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)", | |
5360 | ofperr_to_string(error)); | |
5361 | return error; | |
5362 | } | |
5363 | ||
5364 | return 0; | |
5365 | } | |
5366 | ||
abe529af | 5367 | const struct ofproto_class ofproto_dpif_class = { |
b0408fca | 5368 | init, |
abe529af BP |
5369 | enumerate_types, |
5370 | enumerate_names, | |
5371 | del, | |
0aeaabc8 | 5372 | port_open_type, |
acf60855 | 5373 | type_run, |
acf60855 | 5374 | type_wait, |
abe529af BP |
5375 | alloc, |
5376 | construct, | |
5377 | destruct, | |
5378 | dealloc, | |
5379 | run, | |
5380 | wait, | |
e79a6c83 | 5381 | NULL, /* get_memory_usage. */ |
1c030aa5 | 5382 | type_get_memory_usage, |
abe529af | 5383 | flush, |
3c1bb396 | 5384 | query_tables, |
abe529af BP |
5385 | port_alloc, |
5386 | port_construct, | |
5387 | port_destruct, | |
5388 | port_dealloc, | |
5389 | port_modified, | |
5390 | port_reconfigured, | |
5391 | port_query_by_name, | |
5392 | port_add, | |
5393 | port_del, | |
6527c598 | 5394 | port_get_stats, |
abe529af BP |
5395 | port_dump_start, |
5396 | port_dump_next, | |
5397 | port_dump_done, | |
5398 | port_poll, | |
5399 | port_poll_wait, | |
5400 | port_is_lacp_current, | |
0ab6decf | 5401 | NULL, /* rule_choose_table */ |
abe529af BP |
5402 | rule_alloc, |
5403 | rule_construct, | |
8037acb4 BP |
5404 | rule_insert, |
5405 | rule_delete, | |
abe529af BP |
5406 | rule_destruct, |
5407 | rule_dealloc, | |
abe529af BP |
5408 | rule_get_stats, |
5409 | rule_execute, | |
af822017 | 5410 | NULL, /* rule_premodify_actions */ |
abe529af | 5411 | rule_modify_actions, |
7257b535 | 5412 | set_frag_handling, |
abe529af BP |
5413 | packet_out, |
5414 | set_netflow, | |
5415 | get_netflow_ids, | |
5416 | set_sflow, | |
29089a54 | 5417 | set_ipfix, |
abe529af | 5418 | set_cfm, |
8f5514fe | 5419 | cfm_status_changed, |
9a9e3786 | 5420 | get_cfm_status, |
ccc09689 | 5421 | set_bfd, |
8f5514fe | 5422 | bfd_status_changed, |
ccc09689 | 5423 | get_bfd_status, |
21f7563c JP |
5424 | set_stp, |
5425 | get_stp_status, | |
5426 | set_stp_port, | |
5427 | get_stp_port_status, | |
fd28ce3a | 5428 | get_stp_port_stats, |
9efd308e DV |
5429 | set_rstp, |
5430 | get_rstp_status, | |
5431 | set_rstp_port, | |
5432 | get_rstp_port_status, | |
8b36f51e | 5433 | set_queues, |
abe529af BP |
5434 | bundle_set, |
5435 | bundle_remove, | |
ec7ceaed EJ |
5436 | mirror_set__, |
5437 | mirror_get_stats__, | |
abe529af BP |
5438 | set_flood_vlans, |
5439 | is_mirror_output_bundle, | |
8402c74b | 5440 | forward_bpdu_changed, |
c4069512 | 5441 | set_mac_table_config, |
7c38d0a5 FL |
5442 | set_mcast_snooping, |
5443 | set_mcast_snooping_port, | |
52a90c29 | 5444 | set_realdev, |
9cae45dc JR |
5445 | NULL, /* meter_get_features */ |
5446 | NULL, /* meter_set */ | |
5447 | NULL, /* meter_get */ | |
5448 | NULL, /* meter_del */ | |
00430a3f SH |
5449 | group_alloc, /* group_alloc */ |
5450 | group_construct, /* group_construct */ | |
5451 | group_destruct, /* group_destruct */ | |
5452 | group_dealloc, /* group_dealloc */ | |
5453 | group_modify, /* group_modify */ | |
5454 | group_get_stats, /* group_get_stats */ | |
abe529af | 5455 | }; |