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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" |
a36de779 | 62 | #include "ovs-router.h" |
f23d157c | 63 | #include "seq.h" |
0d085684 | 64 | #include "simap.h" |
27022416 | 65 | #include "smap.h" |
abe529af | 66 | #include "timer.h" |
b9ad7294 | 67 | #include "tunnel.h" |
6c1491fb | 68 | #include "unaligned.h" |
abe529af BP |
69 | #include "unixctl.h" |
70 | #include "vlan-bitmap.h" | |
71 | #include "vlog.h" | |
72 | ||
73 | VLOG_DEFINE_THIS_MODULE(ofproto_dpif); | |
74 | ||
abe529af | 75 | COVERAGE_DEFINE(ofproto_dpif_expired); |
ada3a58d | 76 | COVERAGE_DEFINE(packet_in_overflow); |
abe529af | 77 | |
a088a1ff | 78 | struct flow_miss; |
abe529af | 79 | |
70742c7f EJ |
80 | struct rule_dpif { |
81 | struct rule up; | |
82 | ||
83 | /* These statistics: | |
84 | * | |
e79a6c83 EJ |
85 | * - Do include packets and bytes from datapath flows which have not |
86 | * recently been processed by a revalidator. */ | |
70742c7f | 87 | struct ovs_mutex stats_mutex; |
1a4ec18d | 88 | struct dpif_flow_stats stats OVS_GUARDED; |
888ac0d7 SH |
89 | |
90 | /* If non-zero then the recirculation id that has | |
91 | * been allocated for use with this rule. | |
92 | * The recirculation id and associated internal flow should | |
93 | * be freed when the rule is freed */ | |
94 | uint32_t recirc_id; | |
70742c7f EJ |
95 | }; |
96 | ||
003ce655 JR |
97 | /* RULE_CAST() depends on this. */ |
98 | BUILD_ASSERT_DECL(offsetof(struct rule_dpif, up) == 0); | |
99 | ||
dc437090 JR |
100 | static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes, |
101 | long long int *used); | |
70742c7f | 102 | static struct rule_dpif *rule_dpif_cast(const struct rule *); |
e79a6c83 | 103 | static void rule_expire(struct rule_dpif *); |
b0f7b9b5 | 104 | |
00430a3f SH |
105 | struct group_dpif { |
106 | struct ofgroup up; | |
107 | ||
108 | /* These statistics: | |
109 | * | |
e79a6c83 EJ |
110 | * - Do include packets and bytes from datapath flows which have not |
111 | * recently been processed by a revalidator. */ | |
00430a3f SH |
112 | struct ovs_mutex stats_mutex; |
113 | uint64_t packet_count OVS_GUARDED; /* Number of packets received. */ | |
114 | uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */ | |
00430a3f SH |
115 | }; |
116 | ||
46c88433 EJ |
117 | struct ofbundle { |
118 | struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */ | |
119 | struct ofproto_dpif *ofproto; /* Owning ofproto. */ | |
120 | void *aux; /* Key supplied by ofproto's client. */ | |
121 | char *name; /* Identifier for log messages. */ | |
122 | ||
123 | /* Configuration. */ | |
124 | struct list ports; /* Contains "struct ofport"s. */ | |
125 | enum port_vlan_mode vlan_mode; /* VLAN mode */ | |
126 | int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */ | |
127 | unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1. | |
128 | * NULL if all VLANs are trunked. */ | |
129 | struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */ | |
130 | struct bond *bond; /* Nonnull iff more than one port. */ | |
131 | bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */ | |
132 | ||
133 | /* Status. */ | |
134 | bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */ | |
135 | }; | |
136 | ||
abe529af | 137 | static void bundle_remove(struct ofport *); |
7bde8dd8 | 138 | static void bundle_update(struct ofbundle *); |
abe529af BP |
139 | static void bundle_destroy(struct ofbundle *); |
140 | static void bundle_del_port(struct ofport_dpif *); | |
141 | static void bundle_run(struct ofbundle *); | |
142 | static void bundle_wait(struct ofbundle *); | |
33158a18 | 143 | |
21f7563c JP |
144 | static void stp_run(struct ofproto_dpif *ofproto); |
145 | static void stp_wait(struct ofproto_dpif *ofproto); | |
851bf71d EJ |
146 | static int set_stp_port(struct ofport *, |
147 | const struct ofproto_port_stp_settings *); | |
21f7563c | 148 | |
9efd308e DV |
149 | static void rstp_run(struct ofproto_dpif *ofproto); |
150 | static void set_rstp_port(struct ofport *, | |
151 | const struct ofproto_port_rstp_settings *); | |
152 | ||
46c88433 EJ |
153 | struct ofport_dpif { |
154 | struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */ | |
155 | struct ofport up; | |
156 | ||
157 | odp_port_t odp_port; | |
158 | struct ofbundle *bundle; /* Bundle that contains this port, if any. */ | |
159 | struct list bundle_node; /* In struct ofbundle's "ports" list. */ | |
160 | struct cfm *cfm; /* Connectivity Fault Management, if any. */ | |
161 | struct bfd *bfd; /* BFD, if any. */ | |
46c88433 EJ |
162 | bool may_enable; /* May be enabled in bonds. */ |
163 | bool is_tunnel; /* This port is a tunnel. */ | |
a6363cfd | 164 | bool is_layer3; /* This is a layer 3 port. */ |
46c88433 EJ |
165 | long long int carrier_seq; /* Carrier status changes. */ |
166 | struct ofport_dpif *peer; /* Peer if patch port. */ | |
167 | ||
168 | /* Spanning tree. */ | |
169 | struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */ | |
170 | enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */ | |
171 | long long int stp_state_entered; | |
172 | ||
9efd308e DV |
173 | /* Rapid Spanning Tree. */ |
174 | struct rstp_port *rstp_port; /* Rapid Spanning Tree Protocol, if any. */ | |
175 | enum rstp_state rstp_state; /* Always RSTP_DISABLED if RSTP not in use. */ | |
176 | ||
55954f6e EJ |
177 | /* Queue to DSCP mapping. */ |
178 | struct ofproto_port_queue *qdscp; | |
179 | size_t n_qdscp; | |
46c88433 EJ |
180 | |
181 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
182 | * | |
183 | * This is deprecated. It is only for compatibility with broken device | |
184 | * drivers in old versions of Linux that do not properly support VLANs when | |
185 | * VLAN devices are not used. When broken device drivers are no longer in | |
186 | * widespread use, we will delete these interfaces. */ | |
187 | ofp_port_t realdev_ofp_port; | |
188 | int vlandev_vid; | |
189 | }; | |
190 | ||
52a90c29 BP |
191 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
192 | * | |
193 | * This is deprecated. It is only for compatibility with broken device drivers | |
194 | * in old versions of Linux that do not properly support VLANs when VLAN | |
195 | * devices are not used. When broken device drivers are no longer in | |
196 | * widespread use, we will delete these interfaces. */ | |
197 | struct vlan_splinter { | |
198 | struct hmap_node realdev_vid_node; | |
199 | struct hmap_node vlandev_node; | |
4e022ec0 AW |
200 | ofp_port_t realdev_ofp_port; |
201 | ofp_port_t vlandev_ofp_port; | |
52a90c29 BP |
202 | int vid; |
203 | }; | |
204 | ||
52a90c29 | 205 | static void vsp_remove(struct ofport_dpif *); |
4e022ec0 | 206 | static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid); |
52a90c29 | 207 | |
46c88433 EJ |
208 | static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *, |
209 | ofp_port_t); | |
210 | ||
4e022ec0 | 211 | static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *, |
46c88433 | 212 | odp_port_t); |
e1b1d06a | 213 | |
abe529af BP |
214 | static struct ofport_dpif * |
215 | ofport_dpif_cast(const struct ofport *ofport) | |
216 | { | |
abe529af BP |
217 | return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL; |
218 | } | |
219 | ||
220 | static void port_run(struct ofport_dpif *); | |
8aee94b6 | 221 | static int set_bfd(struct ofport *, const struct smap *); |
a5610457 | 222 | static int set_cfm(struct ofport *, const struct cfm_settings *); |
6cbbf4fa | 223 | static void ofport_update_peer(struct ofport_dpif *); |
abe529af | 224 | |
e79a6c83 EJ |
225 | /* Reasons that we might need to revalidate every datapath flow, and |
226 | * corresponding coverage counters. | |
cdc3ab65 EJ |
227 | * |
228 | * A value of 0 means that there is no need to revalidate. | |
229 | * | |
230 | * It would be nice to have some cleaner way to integrate with coverage | |
231 | * counters, but with only a few reasons I guess this is good enough for | |
232 | * now. */ | |
233 | enum revalidate_reason { | |
234 | REV_RECONFIGURE = 1, /* Switch configuration changed. */ | |
235 | REV_STP, /* Spanning tree protocol port status change. */ | |
9efd308e | 236 | REV_RSTP, /* RSTP port status change. */ |
4a1b8f30 | 237 | REV_BOND, /* Bonding changed. */ |
cdc3ab65 EJ |
238 | REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/ |
239 | REV_FLOW_TABLE, /* Flow table changed. */ | |
30618594 | 240 | REV_MAC_LEARNING, /* Mac learning changed. */ |
6d95c4e8 | 241 | REV_MCAST_SNOOPING, /* Multicast snooping changed. */ |
cdc3ab65 | 242 | }; |
3c4a309c BP |
243 | COVERAGE_DEFINE(rev_reconfigure); |
244 | COVERAGE_DEFINE(rev_stp); | |
9efd308e | 245 | COVERAGE_DEFINE(rev_rstp); |
4a1b8f30 | 246 | COVERAGE_DEFINE(rev_bond); |
3c4a309c BP |
247 | COVERAGE_DEFINE(rev_port_toggled); |
248 | COVERAGE_DEFINE(rev_flow_table); | |
30618594 | 249 | COVERAGE_DEFINE(rev_mac_learning); |
6d95c4e8 | 250 | COVERAGE_DEFINE(rev_mcast_snooping); |
3c4a309c | 251 | |
cdc3ab65 EJ |
252 | /* All datapaths of a given type share a single dpif backer instance. */ |
253 | struct dpif_backer { | |
254 | char *type; | |
255 | int refcount; | |
256 | struct dpif *dpif; | |
e1ec7dd4 | 257 | struct udpif *udpif; |
8449c4d6 EJ |
258 | |
259 | struct ovs_rwlock odp_to_ofport_lock; | |
390eadaa | 260 | struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */ |
cdc3ab65 EJ |
261 | |
262 | struct simap tnl_backers; /* Set of dpif ports backing tunnels. */ | |
263 | ||
e79a6c83 | 264 | enum revalidate_reason need_revalidate; /* Revalidate all flows. */ |
cdc3ab65 | 265 | |
cdc3ab65 | 266 | bool recv_set_enable; /* Enables or disables receiving packets. */ |
4b97b70d | 267 | |
adcf00ba | 268 | /* Recirculation. */ |
f5374617 | 269 | struct recirc_id_pool *rid_pool; /* Recirculation ID pool. */ |
adcf00ba | 270 | bool enable_recirc; /* True if the datapath supports recirculation */ |
f5374617 | 271 | |
4b97b70d BP |
272 | /* True if the datapath supports variable-length |
273 | * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. | |
274 | * False if the datapath supports only 8-byte (or shorter) userdata. */ | |
275 | bool variable_length_userdata; | |
8bfd0fda | 276 | |
53477c2c JR |
277 | /* True if the datapath supports masked data in OVS_ACTION_ATTR_SET |
278 | * actions. */ | |
279 | bool masked_set_action; | |
280 | ||
8bfd0fda BP |
281 | /* Maximum number of MPLS label stack entries that the datapath supports |
282 | * in a match */ | |
283 | size_t max_mpls_depth; | |
b5cbbcf6 AZ |
284 | |
285 | /* Version string of the datapath stored in OVSDB. */ | |
286 | char *dp_version_string; | |
a36de779 PS |
287 | |
288 | /* True if the datapath supports tnl_push and pop actions. */ | |
289 | bool enable_tnl_push_pop; | |
290 | struct atomic_count tnl_count; | |
cdc3ab65 EJ |
291 | }; |
292 | ||
acf60855 JP |
293 | /* All existing ofproto_backer instances, indexed by ofproto->up.type. */ |
294 | static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers); | |
295 | ||
46c88433 EJ |
296 | struct ofproto_dpif { |
297 | struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */ | |
298 | struct ofproto up; | |
299 | struct dpif_backer *backer; | |
300 | ||
e79a6c83 EJ |
301 | uint64_t dump_seq; /* Last read of udpif_dump_seq(). */ |
302 | ||
46c88433 EJ |
303 | /* Special OpenFlow rules. */ |
304 | struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */ | |
305 | struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */ | |
306 | struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */ | |
307 | ||
308 | /* Bridging. */ | |
309 | struct netflow *netflow; | |
310 | struct dpif_sflow *sflow; | |
311 | struct dpif_ipfix *ipfix; | |
312 | struct hmap bundles; /* Contains "struct ofbundle"s. */ | |
313 | struct mac_learning *ml; | |
6d95c4e8 | 314 | struct mcast_snooping *ms; |
46c88433 | 315 | bool has_bonded_bundles; |
e2d13c43 | 316 | bool lacp_enabled; |
46c88433 EJ |
317 | struct mbridge *mbridge; |
318 | ||
0da3c61b AW |
319 | struct ovs_mutex stats_mutex; |
320 | struct netdev_stats stats OVS_GUARDED; /* To account packets generated and | |
321 | * consumed in userspace. */ | |
46c88433 EJ |
322 | |
323 | /* Spanning tree. */ | |
324 | struct stp *stp; | |
325 | long long int stp_last_tick; | |
326 | ||
9efd308e DV |
327 | /* Rapid Spanning Tree. */ |
328 | struct rstp *rstp; | |
329 | long long int rstp_last_tick; | |
330 | ||
46c88433 | 331 | /* VLAN splinters. */ |
13501305 EJ |
332 | struct ovs_mutex vsp_mutex; |
333 | struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */ | |
334 | struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */ | |
46c88433 EJ |
335 | |
336 | /* Ports. */ | |
337 | struct sset ports; /* Set of standard port names. */ | |
338 | struct sset ghost_ports; /* Ports with no datapath port. */ | |
339 | struct sset port_poll_set; /* Queued names for port_poll() reply. */ | |
340 | int port_poll_errno; /* Last errno for port_poll() reply. */ | |
f23d157c | 341 | uint64_t change_seq; /* Connectivity status changes. */ |
46c88433 | 342 | |
3d9c5e58 | 343 | /* Work queues. */ |
05067881 | 344 | struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */ |
cfc50ae5 AW |
345 | struct seq *pins_seq; /* For notifying 'pins' reception. */ |
346 | uint64_t pins_seqno; | |
46c88433 EJ |
347 | }; |
348 | ||
b44a10b7 BP |
349 | /* All existing ofproto_dpif instances, indexed by ->up.name. */ |
350 | static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs); | |
351 | ||
a36de779 PS |
352 | static bool ofproto_use_tnl_push_pop = true; |
353 | static void ofproto_unixctl_init(void); | |
abe529af | 354 | |
46c88433 EJ |
355 | static inline struct ofproto_dpif * |
356 | ofproto_dpif_cast(const struct ofproto *ofproto) | |
357 | { | |
358 | ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class); | |
359 | return CONTAINER_OF(ofproto, struct ofproto_dpif, up); | |
360 | } | |
361 | ||
8bfd0fda BP |
362 | size_t |
363 | ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif *ofproto) | |
364 | { | |
365 | return ofproto->backer->max_mpls_depth; | |
366 | } | |
367 | ||
adcf00ba AZ |
368 | bool |
369 | ofproto_dpif_get_enable_recirc(const struct ofproto_dpif *ofproto) | |
370 | { | |
371 | return ofproto->backer->enable_recirc; | |
372 | } | |
373 | ||
46c88433 EJ |
374 | static struct ofport_dpif *get_ofp_port(const struct ofproto_dpif *ofproto, |
375 | ofp_port_t ofp_port); | |
adcf00ba | 376 | static void ofproto_trace(struct ofproto_dpif *, struct flow *, |
aee0979b BP |
377 | const struct ofpbuf *packet, |
378 | const struct ofpact[], size_t ofpacts_len, | |
379 | struct ds *); | |
46c88433 | 380 | |
abe529af BP |
381 | /* Global variables. */ |
382 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
acf60855 JP |
383 | |
384 | /* Initial mappings of port to bridge mappings. */ | |
385 | static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports); | |
46c88433 | 386 | |
1b63b91e BP |
387 | /* Executes 'fm'. The caller retains ownership of 'fm' and everything in |
388 | * it. */ | |
3d9c5e58 | 389 | void |
46c88433 EJ |
390 | ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto, |
391 | struct ofputil_flow_mod *fm) | |
392 | { | |
1b63b91e | 393 | ofproto_flow_mod(&ofproto->up, fm); |
46c88433 EJ |
394 | } |
395 | ||
d5ff77e2 YT |
396 | /* Appends 'pin' to the queue of "packet ins" to be sent to the controller. |
397 | * Takes ownership of 'pin' and pin->packet. */ | |
46c88433 EJ |
398 | void |
399 | ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto, | |
0fb7792a | 400 | struct ofproto_packet_in *pin) |
46c88433 | 401 | { |
05067881 | 402 | if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) { |
ada3a58d | 403 | COVERAGE_INC(packet_in_overflow); |
0fb7792a | 404 | free(CONST_CAST(void *, pin->up.packet)); |
ada3a58d | 405 | free(pin); |
ada3a58d | 406 | } |
cfc50ae5 AW |
407 | |
408 | /* Wakes up main thread for packet-in I/O. */ | |
409 | seq_change(ofproto->pins_seq); | |
46c88433 | 410 | } |
6b83a3c5 SH |
411 | |
412 | /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the | |
413 | * packet rather than to send the packet to the controller. | |
414 | * | |
415 | * This function returns false to indicate that a packet_in message | |
416 | * for a "table-miss" should be sent to at least one controller. | |
417 | * False otherwise. */ | |
418 | bool | |
419 | ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto) | |
420 | { | |
421 | return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr); | |
422 | } | |
abe529af BP |
423 | \f |
424 | /* Factory functions. */ | |
425 | ||
b0408fca | 426 | static void |
acf60855 | 427 | init(const struct shash *iface_hints) |
b0408fca | 428 | { |
acf60855 JP |
429 | struct shash_node *node; |
430 | ||
431 | /* Make a local copy, since we don't own 'iface_hints' elements. */ | |
432 | SHASH_FOR_EACH(node, iface_hints) { | |
433 | const struct iface_hint *orig_hint = node->data; | |
434 | struct iface_hint *new_hint = xmalloc(sizeof *new_hint); | |
435 | ||
436 | new_hint->br_name = xstrdup(orig_hint->br_name); | |
437 | new_hint->br_type = xstrdup(orig_hint->br_type); | |
438 | new_hint->ofp_port = orig_hint->ofp_port; | |
439 | ||
440 | shash_add(&init_ofp_ports, node->name, new_hint); | |
441 | } | |
b0408fca JP |
442 | } |
443 | ||
abe529af BP |
444 | static void |
445 | enumerate_types(struct sset *types) | |
446 | { | |
447 | dp_enumerate_types(types); | |
448 | } | |
449 | ||
450 | static int | |
451 | enumerate_names(const char *type, struct sset *names) | |
452 | { | |
acf60855 JP |
453 | struct ofproto_dpif *ofproto; |
454 | ||
455 | sset_clear(names); | |
456 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
457 | if (strcmp(type, ofproto->up.type)) { | |
458 | continue; | |
459 | } | |
460 | sset_add(names, ofproto->up.name); | |
461 | } | |
462 | ||
463 | return 0; | |
abe529af BP |
464 | } |
465 | ||
466 | static int | |
467 | del(const char *type, const char *name) | |
468 | { | |
469 | struct dpif *dpif; | |
470 | int error; | |
471 | ||
472 | error = dpif_open(name, type, &dpif); | |
473 | if (!error) { | |
474 | error = dpif_delete(dpif); | |
475 | dpif_close(dpif); | |
476 | } | |
477 | return error; | |
478 | } | |
479 | \f | |
0aeaabc8 JP |
480 | static const char * |
481 | port_open_type(const char *datapath_type, const char *port_type) | |
482 | { | |
483 | return dpif_port_open_type(datapath_type, port_type); | |
484 | } | |
485 | ||
acf60855 JP |
486 | /* Type functions. */ |
487 | ||
36beb9be BP |
488 | static void process_dpif_port_changes(struct dpif_backer *); |
489 | static void process_dpif_all_ports_changed(struct dpif_backer *); | |
490 | static void process_dpif_port_change(struct dpif_backer *, | |
491 | const char *devname); | |
492 | static void process_dpif_port_error(struct dpif_backer *, int error); | |
493 | ||
476cb42a BP |
494 | static struct ofproto_dpif * |
495 | lookup_ofproto_dpif_by_port_name(const char *name) | |
496 | { | |
497 | struct ofproto_dpif *ofproto; | |
498 | ||
499 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
500 | if (sset_contains(&ofproto->ports, name)) { | |
501 | return ofproto; | |
502 | } | |
503 | } | |
504 | ||
505 | return NULL; | |
506 | } | |
507 | ||
acf60855 JP |
508 | static int |
509 | type_run(const char *type) | |
510 | { | |
511 | struct dpif_backer *backer; | |
acf60855 JP |
512 | |
513 | backer = shash_find_data(&all_dpif_backers, type); | |
514 | if (!backer) { | |
515 | /* This is not necessarily a problem, since backers are only | |
516 | * created on demand. */ | |
517 | return 0; | |
518 | } | |
519 | ||
a36de779 PS |
520 | |
521 | if (dpif_run(backer->dpif)) { | |
522 | backer->need_revalidate = REV_RECONFIGURE; | |
523 | } | |
524 | ||
27f57736 | 525 | udpif_run(backer->udpif); |
acf60855 | 526 | |
40358701 GS |
527 | /* If vswitchd started with other_config:flow_restore_wait set as "true", |
528 | * and the configuration has now changed to "false", enable receiving | |
529 | * packets from the datapath. */ | |
530 | if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) { | |
36beb9be BP |
531 | int error; |
532 | ||
40358701 GS |
533 | backer->recv_set_enable = true; |
534 | ||
535 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); | |
536 | if (error) { | |
537 | VLOG_ERR("Failed to enable receiving packets in dpif."); | |
538 | return error; | |
539 | } | |
540 | dpif_flow_flush(backer->dpif); | |
541 | backer->need_revalidate = REV_RECONFIGURE; | |
542 | } | |
543 | ||
6567010f | 544 | if (backer->recv_set_enable) { |
e79a6c83 | 545 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
448a4b2f AW |
546 | } |
547 | ||
f2eee189 AW |
548 | dpif_poll_threads_set(backer->dpif, n_dpdk_rxqs, pmd_cpu_mask); |
549 | ||
a1616063 | 550 | if (backer->need_revalidate) { |
2cc3c58e | 551 | struct ofproto_dpif *ofproto; |
a614d823 KM |
552 | struct simap_node *node; |
553 | struct simap tmp_backers; | |
554 | ||
555 | /* Handle tunnel garbage collection. */ | |
556 | simap_init(&tmp_backers); | |
557 | simap_swap(&backer->tnl_backers, &tmp_backers); | |
558 | ||
559 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
560 | struct ofport_dpif *iter; | |
561 | ||
562 | if (backer != ofproto->backer) { | |
563 | continue; | |
564 | } | |
565 | ||
566 | HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) { | |
3aa30359 | 567 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
a614d823 KM |
568 | const char *dp_port; |
569 | ||
42943cde | 570 | if (!iter->is_tunnel) { |
a614d823 KM |
571 | continue; |
572 | } | |
573 | ||
3aa30359 BP |
574 | dp_port = netdev_vport_get_dpif_port(iter->up.netdev, |
575 | namebuf, sizeof namebuf); | |
a614d823 KM |
576 | node = simap_find(&tmp_backers, dp_port); |
577 | if (node) { | |
578 | simap_put(&backer->tnl_backers, dp_port, node->data); | |
579 | simap_delete(&tmp_backers, node); | |
580 | node = simap_find(&backer->tnl_backers, dp_port); | |
581 | } else { | |
582 | node = simap_find(&backer->tnl_backers, dp_port); | |
583 | if (!node) { | |
4e022ec0 | 584 | odp_port_t odp_port = ODPP_NONE; |
a614d823 KM |
585 | |
586 | if (!dpif_port_add(backer->dpif, iter->up.netdev, | |
587 | &odp_port)) { | |
4e022ec0 AW |
588 | simap_put(&backer->tnl_backers, dp_port, |
589 | odp_to_u32(odp_port)); | |
a614d823 KM |
590 | node = simap_find(&backer->tnl_backers, dp_port); |
591 | } | |
592 | } | |
593 | } | |
594 | ||
4e022ec0 | 595 | iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE; |
42943cde | 596 | if (tnl_port_reconfigure(iter, iter->up.netdev, |
a36de779 PS |
597 | iter->odp_port, |
598 | ovs_native_tunneling_is_on(ofproto), dp_port)) { | |
a614d823 KM |
599 | backer->need_revalidate = REV_RECONFIGURE; |
600 | } | |
601 | } | |
602 | } | |
603 | ||
604 | SIMAP_FOR_EACH (node, &tmp_backers) { | |
4e022ec0 | 605 | dpif_port_del(backer->dpif, u32_to_odp(node->data)); |
a614d823 KM |
606 | } |
607 | simap_destroy(&tmp_backers); | |
2cc3c58e EJ |
608 | |
609 | switch (backer->need_revalidate) { | |
1373ee25 FL |
610 | case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break; |
611 | case REV_STP: COVERAGE_INC(rev_stp); break; | |
9efd308e | 612 | case REV_RSTP: COVERAGE_INC(rev_rstp); break; |
1373ee25 FL |
613 | case REV_BOND: COVERAGE_INC(rev_bond); break; |
614 | case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break; | |
615 | case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break; | |
616 | case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break; | |
6d95c4e8 | 617 | case REV_MCAST_SNOOPING: COVERAGE_INC(rev_mcast_snooping); break; |
2cc3c58e | 618 | } |
f728af2e BP |
619 | backer->need_revalidate = 0; |
620 | ||
2cc3c58e | 621 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { |
a1616063 | 622 | struct ofport_dpif *ofport; |
a1616063 | 623 | struct ofbundle *bundle; |
2cc3c58e EJ |
624 | |
625 | if (ofproto->backer != backer) { | |
626 | continue; | |
627 | } | |
628 | ||
84f0f298 | 629 | xlate_txn_start(); |
89a8a7f0 | 630 | xlate_ofproto_set(ofproto, ofproto->up.name, |
34dd0d78 | 631 | ofproto->backer->dpif, ofproto->ml, |
9efd308e DV |
632 | ofproto->stp, ofproto->rstp, ofproto->ms, |
633 | ofproto->mbridge, ofproto->sflow, ofproto->ipfix, | |
2f47cdf4 | 634 | ofproto->netflow, |
a1616063 | 635 | ofproto->up.forward_bpdu, |
4b97b70d | 636 | connmgr_has_in_band(ofproto->up.connmgr), |
adcf00ba | 637 | ofproto->backer->enable_recirc, |
8bfd0fda | 638 | ofproto->backer->variable_length_userdata, |
53477c2c JR |
639 | ofproto->backer->max_mpls_depth, |
640 | ofproto->backer->masked_set_action); | |
46c88433 | 641 | |
a1616063 EJ |
642 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { |
643 | xlate_bundle_set(ofproto, bundle, bundle->name, | |
644 | bundle->vlan_mode, bundle->vlan, | |
645 | bundle->trunks, bundle->use_priority_tags, | |
646 | bundle->bond, bundle->lacp, | |
647 | bundle->floodable); | |
648 | } | |
649 | ||
650 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
9d189a50 EJ |
651 | int stp_port = ofport->stp_port |
652 | ? stp_port_no(ofport->stp_port) | |
92cf817b | 653 | : -1; |
a1616063 EJ |
654 | xlate_ofport_set(ofproto, ofport->bundle, ofport, |
655 | ofport->up.ofp_port, ofport->odp_port, | |
656 | ofport->up.netdev, ofport->cfm, | |
9d189a50 | 657 | ofport->bfd, ofport->peer, stp_port, |
f025bcb7 JR |
658 | ofport->rstp_port, ofport->qdscp, |
659 | ofport->n_qdscp, ofport->up.pp.config, | |
660 | ofport->up.pp.state, ofport->is_tunnel, | |
661 | ofport->may_enable); | |
46c88433 | 662 | } |
84f0f298 | 663 | xlate_txn_commit(); |
2cc3c58e | 664 | } |
e1ec7dd4 EJ |
665 | |
666 | udpif_revalidate(backer->udpif); | |
2cc3c58e EJ |
667 | } |
668 | ||
36beb9be | 669 | process_dpif_port_changes(backer); |
acf60855 JP |
670 | |
671 | return 0; | |
672 | } | |
673 | ||
36beb9be BP |
674 | /* Check for and handle port changes in 'backer''s dpif. */ |
675 | static void | |
676 | process_dpif_port_changes(struct dpif_backer *backer) | |
677 | { | |
678 | for (;;) { | |
679 | char *devname; | |
680 | int error; | |
681 | ||
682 | error = dpif_port_poll(backer->dpif, &devname); | |
683 | switch (error) { | |
684 | case EAGAIN: | |
685 | return; | |
686 | ||
687 | case ENOBUFS: | |
688 | process_dpif_all_ports_changed(backer); | |
689 | break; | |
690 | ||
691 | case 0: | |
692 | process_dpif_port_change(backer, devname); | |
693 | free(devname); | |
694 | break; | |
695 | ||
696 | default: | |
697 | process_dpif_port_error(backer, error); | |
698 | break; | |
699 | } | |
700 | } | |
701 | } | |
702 | ||
703 | static void | |
704 | process_dpif_all_ports_changed(struct dpif_backer *backer) | |
705 | { | |
706 | struct ofproto_dpif *ofproto; | |
707 | struct dpif_port dpif_port; | |
708 | struct dpif_port_dump dump; | |
709 | struct sset devnames; | |
710 | const char *devname; | |
711 | ||
712 | sset_init(&devnames); | |
713 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
714 | if (ofproto->backer == backer) { | |
715 | struct ofport *ofport; | |
716 | ||
717 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
718 | sset_add(&devnames, netdev_get_name(ofport->netdev)); | |
719 | } | |
720 | } | |
721 | } | |
722 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) { | |
723 | sset_add(&devnames, dpif_port.name); | |
724 | } | |
725 | ||
726 | SSET_FOR_EACH (devname, &devnames) { | |
727 | process_dpif_port_change(backer, devname); | |
728 | } | |
729 | sset_destroy(&devnames); | |
730 | } | |
731 | ||
732 | static void | |
733 | process_dpif_port_change(struct dpif_backer *backer, const char *devname) | |
734 | { | |
735 | struct ofproto_dpif *ofproto; | |
736 | struct dpif_port port; | |
737 | ||
738 | /* Don't report on the datapath's device. */ | |
739 | if (!strcmp(devname, dpif_base_name(backer->dpif))) { | |
740 | return; | |
741 | } | |
742 | ||
743 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, | |
744 | &all_ofproto_dpifs) { | |
745 | if (simap_contains(&ofproto->backer->tnl_backers, devname)) { | |
746 | return; | |
747 | } | |
748 | } | |
749 | ||
750 | ofproto = lookup_ofproto_dpif_by_port_name(devname); | |
751 | if (dpif_port_query_by_name(backer->dpif, devname, &port)) { | |
752 | /* The port was removed. If we know the datapath, | |
753 | * report it through poll_set(). If we don't, it may be | |
754 | * notifying us of a removal we initiated, so ignore it. | |
755 | * If there's a pending ENOBUFS, let it stand, since | |
756 | * everything will be reevaluated. */ | |
757 | if (ofproto && ofproto->port_poll_errno != ENOBUFS) { | |
758 | sset_add(&ofproto->port_poll_set, devname); | |
759 | ofproto->port_poll_errno = 0; | |
760 | } | |
761 | } else if (!ofproto) { | |
762 | /* The port was added, but we don't know with which | |
763 | * ofproto we should associate it. Delete it. */ | |
764 | dpif_port_del(backer->dpif, port.port_no); | |
74cc3969 BP |
765 | } else { |
766 | struct ofport_dpif *ofport; | |
767 | ||
768 | ofport = ofport_dpif_cast(shash_find_data( | |
769 | &ofproto->up.port_by_name, devname)); | |
770 | if (ofport | |
771 | && ofport->odp_port != port.port_no | |
772 | && !odp_port_to_ofport(backer, port.port_no)) | |
773 | { | |
774 | /* 'ofport''s datapath port number has changed from | |
775 | * 'ofport->odp_port' to 'port.port_no'. Update our internal data | |
776 | * structures to match. */ | |
8449c4d6 | 777 | ovs_rwlock_wrlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
778 | hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node); |
779 | ofport->odp_port = port.port_no; | |
780 | hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node, | |
781 | hash_odp_port(port.port_no)); | |
8449c4d6 | 782 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
783 | backer->need_revalidate = REV_RECONFIGURE; |
784 | } | |
36beb9be BP |
785 | } |
786 | dpif_port_destroy(&port); | |
787 | } | |
788 | ||
789 | /* Propagate 'error' to all ofprotos based on 'backer'. */ | |
790 | static void | |
791 | process_dpif_port_error(struct dpif_backer *backer, int error) | |
792 | { | |
793 | struct ofproto_dpif *ofproto; | |
794 | ||
795 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
796 | if (ofproto->backer == backer) { | |
797 | sset_clear(&ofproto->port_poll_set); | |
798 | ofproto->port_poll_errno = error; | |
799 | } | |
800 | } | |
801 | } | |
802 | ||
acf60855 JP |
803 | static void |
804 | type_wait(const char *type) | |
805 | { | |
806 | struct dpif_backer *backer; | |
807 | ||
808 | backer = shash_find_data(&all_dpif_backers, type); | |
809 | if (!backer) { | |
810 | /* This is not necessarily a problem, since backers are only | |
811 | * created on demand. */ | |
812 | return; | |
813 | } | |
814 | ||
c0365fc8 | 815 | dpif_wait(backer->dpif); |
acf60855 JP |
816 | } |
817 | \f | |
abe529af BP |
818 | /* Basic life-cycle. */ |
819 | ||
c57b2226 BP |
820 | static int add_internal_flows(struct ofproto_dpif *); |
821 | ||
abe529af BP |
822 | static struct ofproto * |
823 | alloc(void) | |
824 | { | |
825 | struct ofproto_dpif *ofproto = xmalloc(sizeof *ofproto); | |
826 | return &ofproto->up; | |
827 | } | |
828 | ||
829 | static void | |
830 | dealloc(struct ofproto *ofproto_) | |
831 | { | |
832 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
833 | free(ofproto); | |
834 | } | |
835 | ||
acf60855 JP |
836 | static void |
837 | close_dpif_backer(struct dpif_backer *backer) | |
838 | { | |
cb22974d | 839 | ovs_assert(backer->refcount > 0); |
acf60855 JP |
840 | |
841 | if (--backer->refcount) { | |
842 | return; | |
843 | } | |
844 | ||
b395cf1f BP |
845 | udpif_destroy(backer->udpif); |
846 | ||
7d82ab2e | 847 | simap_destroy(&backer->tnl_backers); |
8449c4d6 | 848 | ovs_rwlock_destroy(&backer->odp_to_ofport_lock); |
acf60855 | 849 | hmap_destroy(&backer->odp_to_ofport_map); |
4f7cc3c7 | 850 | shash_find_and_delete(&all_dpif_backers, backer->type); |
f5374617 | 851 | recirc_id_pool_destroy(backer->rid_pool); |
acf60855 | 852 | free(backer->type); |
b5cbbcf6 | 853 | free(backer->dp_version_string); |
acf60855 | 854 | dpif_close(backer->dpif); |
acf60855 JP |
855 | free(backer); |
856 | } | |
857 | ||
858 | /* Datapath port slated for removal from datapath. */ | |
859 | struct odp_garbage { | |
860 | struct list list_node; | |
4e022ec0 | 861 | odp_port_t odp_port; |
acf60855 JP |
862 | }; |
863 | ||
4b97b70d | 864 | static bool check_variable_length_userdata(struct dpif_backer *backer); |
8bfd0fda | 865 | static size_t check_max_mpls_depth(struct dpif_backer *backer); |
adcf00ba | 866 | static bool check_recirc(struct dpif_backer *backer); |
53477c2c | 867 | static bool check_masked_set_action(struct dpif_backer *backer); |
4b97b70d | 868 | |
acf60855 JP |
869 | static int |
870 | open_dpif_backer(const char *type, struct dpif_backer **backerp) | |
871 | { | |
872 | struct dpif_backer *backer; | |
873 | struct dpif_port_dump port_dump; | |
874 | struct dpif_port port; | |
875 | struct shash_node *node; | |
876 | struct list garbage_list; | |
877 | struct odp_garbage *garbage, *next; | |
f5374617 | 878 | |
acf60855 JP |
879 | struct sset names; |
880 | char *backer_name; | |
881 | const char *name; | |
882 | int error; | |
883 | ||
884 | backer = shash_find_data(&all_dpif_backers, type); | |
885 | if (backer) { | |
886 | backer->refcount++; | |
887 | *backerp = backer; | |
888 | return 0; | |
889 | } | |
890 | ||
891 | backer_name = xasprintf("ovs-%s", type); | |
892 | ||
893 | /* Remove any existing datapaths, since we assume we're the only | |
894 | * userspace controlling the datapath. */ | |
895 | sset_init(&names); | |
896 | dp_enumerate_names(type, &names); | |
897 | SSET_FOR_EACH(name, &names) { | |
898 | struct dpif *old_dpif; | |
899 | ||
900 | /* Don't remove our backer if it exists. */ | |
901 | if (!strcmp(name, backer_name)) { | |
902 | continue; | |
903 | } | |
904 | ||
905 | if (dpif_open(name, type, &old_dpif)) { | |
906 | VLOG_WARN("couldn't open old datapath %s to remove it", name); | |
907 | } else { | |
908 | dpif_delete(old_dpif); | |
909 | dpif_close(old_dpif); | |
910 | } | |
911 | } | |
912 | sset_destroy(&names); | |
913 | ||
914 | backer = xmalloc(sizeof *backer); | |
915 | ||
916 | error = dpif_create_and_open(backer_name, type, &backer->dpif); | |
917 | free(backer_name); | |
918 | if (error) { | |
919 | VLOG_ERR("failed to open datapath of type %s: %s", type, | |
10a89ef0 | 920 | ovs_strerror(error)); |
4c1b1289 | 921 | free(backer); |
acf60855 JP |
922 | return error; |
923 | } | |
e1ec7dd4 | 924 | backer->udpif = udpif_create(backer, backer->dpif); |
acf60855 JP |
925 | |
926 | backer->type = xstrdup(type); | |
927 | backer->refcount = 1; | |
928 | hmap_init(&backer->odp_to_ofport_map); | |
8449c4d6 | 929 | ovs_rwlock_init(&backer->odp_to_ofport_lock); |
2cc3c58e | 930 | backer->need_revalidate = 0; |
7d82ab2e | 931 | simap_init(&backer->tnl_backers); |
40358701 | 932 | backer->recv_set_enable = !ofproto_get_flow_restore_wait(); |
acf60855 JP |
933 | *backerp = backer; |
934 | ||
40358701 GS |
935 | if (backer->recv_set_enable) { |
936 | dpif_flow_flush(backer->dpif); | |
937 | } | |
acf60855 JP |
938 | |
939 | /* Loop through the ports already on the datapath and remove any | |
940 | * that we don't need anymore. */ | |
941 | list_init(&garbage_list); | |
942 | dpif_port_dump_start(&port_dump, backer->dpif); | |
943 | while (dpif_port_dump_next(&port_dump, &port)) { | |
944 | node = shash_find(&init_ofp_ports, port.name); | |
945 | if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) { | |
946 | garbage = xmalloc(sizeof *garbage); | |
947 | garbage->odp_port = port.port_no; | |
948 | list_push_front(&garbage_list, &garbage->list_node); | |
949 | } | |
950 | } | |
951 | dpif_port_dump_done(&port_dump); | |
952 | ||
953 | LIST_FOR_EACH_SAFE (garbage, next, list_node, &garbage_list) { | |
954 | dpif_port_del(backer->dpif, garbage->odp_port); | |
955 | list_remove(&garbage->list_node); | |
956 | free(garbage); | |
957 | } | |
958 | ||
959 | shash_add(&all_dpif_backers, type, backer); | |
960 | ||
084c03f3 | 961 | backer->enable_recirc = check_recirc(backer); |
084c03f3 | 962 | backer->max_mpls_depth = check_max_mpls_depth(backer); |
53477c2c | 963 | backer->masked_set_action = check_masked_set_action(backer); |
084c03f3 AZ |
964 | backer->rid_pool = recirc_id_pool_create(); |
965 | ||
a36de779 PS |
966 | backer->enable_tnl_push_pop = dpif_supports_tnl_push_pop(backer->dpif); |
967 | atomic_count_init(&backer->tnl_count, 0); | |
968 | ||
40358701 | 969 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); |
acf60855 JP |
970 | if (error) { |
971 | VLOG_ERR("failed to listen on datapath of type %s: %s", | |
10a89ef0 | 972 | type, ovs_strerror(error)); |
acf60855 JP |
973 | close_dpif_backer(backer); |
974 | return error; | |
975 | } | |
6567010f EJ |
976 | |
977 | if (backer->recv_set_enable) { | |
e79a6c83 | 978 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
6567010f | 979 | } |
acf60855 | 980 | |
48931b58 JR |
981 | /* This check fails if performed before udpif threads have been set, |
982 | * as the kernel module checks that the 'pid' in userspace action | |
983 | * is non-zero. */ | |
984 | backer->variable_length_userdata = check_variable_length_userdata(backer); | |
b5cbbcf6 | 985 | backer->dp_version_string = dpif_get_dp_version(backer->dpif); |
48931b58 | 986 | |
acf60855 JP |
987 | return error; |
988 | } | |
989 | ||
a36de779 PS |
990 | bool |
991 | ovs_native_tunneling_is_on(struct ofproto_dpif *ofproto) | |
992 | { | |
993 | return ofproto_use_tnl_push_pop && ofproto->backer->enable_tnl_push_pop && | |
994 | atomic_count_get(&ofproto->backer->tnl_count); | |
995 | } | |
996 | ||
9b2cb971 SH |
997 | /* Tests whether 'backer''s datapath supports recirculation. Only newer |
998 | * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some | |
999 | * features on older datapaths that don't support this feature. | |
adcf00ba AZ |
1000 | * |
1001 | * Returns false if 'backer' definitely does not support recirculation, true if | |
1002 | * it seems to support recirculation or if at least the error we get is | |
1003 | * ambiguous. */ | |
1004 | static bool | |
1005 | check_recirc(struct dpif_backer *backer) | |
1006 | { | |
1007 | struct flow flow; | |
1008 | struct odputil_keybuf keybuf; | |
1009 | struct ofpbuf key; | |
1010 | int error; | |
1011 | bool enable_recirc = false; | |
1012 | ||
1013 | memset(&flow, 0, sizeof flow); | |
1014 | flow.recirc_id = 1; | |
1015 | flow.dp_hash = 1; | |
1016 | ||
1017 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
7ce2769e | 1018 | odp_flow_key_from_flow(&key, &flow, NULL, 0, true); |
adcf00ba | 1019 | |
43f9ac0a | 1020 | error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE, |
8bd43ce6 JR |
1021 | ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, NULL, |
1022 | 0, NULL); | |
adcf00ba AZ |
1023 | if (error && error != EEXIST) { |
1024 | if (error != EINVAL) { | |
1025 | VLOG_WARN("%s: Reciculation flow probe failed (%s)", | |
1026 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1027 | } | |
1028 | goto done; | |
1029 | } | |
1030 | ||
8bd43ce6 JR |
1031 | error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), ofpbuf_size(&key), |
1032 | NULL); | |
adcf00ba AZ |
1033 | if (error) { |
1034 | VLOG_WARN("%s: failed to delete recirculation feature probe flow", | |
1035 | dpif_name(backer->dpif)); | |
1036 | } | |
1037 | ||
1038 | enable_recirc = true; | |
1039 | ||
1040 | done: | |
1041 | if (enable_recirc) { | |
1042 | VLOG_INFO("%s: Datapath supports recirculation", | |
1043 | dpif_name(backer->dpif)); | |
1044 | } else { | |
1045 | VLOG_INFO("%s: Datapath does not support recirculation", | |
1046 | dpif_name(backer->dpif)); | |
1047 | } | |
1048 | ||
1049 | return enable_recirc; | |
1050 | } | |
1051 | ||
4b97b70d BP |
1052 | /* Tests whether 'backer''s datapath supports variable-length |
1053 | * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need | |
1054 | * to disable some features on older datapaths that don't support this | |
1055 | * feature. | |
1056 | * | |
1057 | * Returns false if 'backer' definitely does not support variable-length | |
1058 | * userdata, true if it seems to support them or if at least the error we get | |
1059 | * is ambiguous. */ | |
1060 | static bool | |
1061 | check_variable_length_userdata(struct dpif_backer *backer) | |
1062 | { | |
1063 | struct eth_header *eth; | |
1064 | struct ofpbuf actions; | |
758c456d | 1065 | struct dpif_execute execute; |
4b97b70d BP |
1066 | struct ofpbuf packet; |
1067 | size_t start; | |
1068 | int error; | |
1069 | ||
1070 | /* Compose a userspace action that will cause an ERANGE error on older | |
1071 | * datapaths that don't support variable-length userdata. | |
1072 | * | |
1073 | * We really test for using userdata longer than 8 bytes, but older | |
1074 | * datapaths accepted these, silently truncating the userdata to 8 bytes. | |
1075 | * The same older datapaths rejected userdata shorter than 8 bytes, so we | |
1076 | * test for that instead as a proxy for longer userdata support. */ | |
1077 | ofpbuf_init(&actions, 64); | |
1078 | start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE); | |
1079 | nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID, | |
1954e6bb | 1080 | dpif_port_get_pid(backer->dpif, ODPP_NONE, 0)); |
4b97b70d BP |
1081 | nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4); |
1082 | nl_msg_end_nested(&actions, start); | |
1083 | ||
758c456d | 1084 | /* Compose a dummy ethernet packet. */ |
4b97b70d BP |
1085 | ofpbuf_init(&packet, ETH_HEADER_LEN); |
1086 | eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN); | |
1087 | eth->eth_type = htons(0x1234); | |
1088 | ||
758c456d | 1089 | /* Execute the actions. On older datapaths this fails with ERANGE, on |
4b97b70d | 1090 | * newer datapaths it succeeds. */ |
1f317cb5 PS |
1091 | execute.actions = ofpbuf_data(&actions); |
1092 | execute.actions_len = ofpbuf_size(&actions); | |
758c456d JR |
1093 | execute.packet = &packet; |
1094 | execute.md = PKT_METADATA_INITIALIZER(0); | |
1095 | execute.needs_help = false; | |
43f9ac0a | 1096 | execute.probe = true; |
758c456d JR |
1097 | |
1098 | error = dpif_execute(backer->dpif, &execute); | |
4b97b70d BP |
1099 | |
1100 | ofpbuf_uninit(&packet); | |
4b97b70d BP |
1101 | ofpbuf_uninit(&actions); |
1102 | ||
1103 | switch (error) { | |
1104 | case 0: | |
4b97b70d BP |
1105 | return true; |
1106 | ||
1107 | case ERANGE: | |
1108 | /* Variable-length userdata is not supported. */ | |
1109 | VLOG_WARN("%s: datapath does not support variable-length userdata " | |
1110 | "feature (needs Linux 3.10+ or kernel module from OVS " | |
1111 | "1..11+). The NXAST_SAMPLE action will be ignored.", | |
1112 | dpif_name(backer->dpif)); | |
1113 | return false; | |
1114 | ||
1115 | default: | |
1116 | /* Something odd happened. We're not sure whether variable-length | |
1117 | * userdata is supported. Default to "yes". */ | |
1118 | VLOG_WARN("%s: variable-length userdata feature probe failed (%s)", | |
1119 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1120 | return true; | |
1121 | } | |
1122 | } | |
1123 | ||
8bfd0fda BP |
1124 | /* Tests the MPLS label stack depth supported by 'backer''s datapath. |
1125 | * | |
1126 | * Returns the number of elements in a struct flow's mpls_lse field | |
1127 | * if the datapath supports at least that many entries in an | |
1128 | * MPLS label stack. | |
1129 | * Otherwise returns the number of MPLS push actions supported by | |
1130 | * the datapath. */ | |
1131 | static size_t | |
1132 | check_max_mpls_depth(struct dpif_backer *backer) | |
1133 | { | |
1134 | struct flow flow; | |
1135 | int n; | |
1136 | ||
1137 | for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) { | |
1138 | struct odputil_keybuf keybuf; | |
1139 | struct ofpbuf key; | |
1140 | int error; | |
1141 | ||
1142 | memset(&flow, 0, sizeof flow); | |
1143 | flow.dl_type = htons(ETH_TYPE_MPLS); | |
1144 | flow_set_mpls_bos(&flow, n, 1); | |
1145 | ||
1146 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
7ce2769e | 1147 | odp_flow_key_from_flow(&key, &flow, NULL, 0, false); |
8bfd0fda | 1148 | |
43f9ac0a | 1149 | error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE, |
48931b58 JR |
1150 | ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, |
1151 | NULL, 0, NULL); | |
8bfd0fda BP |
1152 | if (error && error != EEXIST) { |
1153 | if (error != EINVAL) { | |
1154 | VLOG_WARN("%s: MPLS stack length feature probe failed (%s)", | |
1155 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1156 | } | |
1157 | break; | |
1158 | } | |
1159 | ||
48931b58 JR |
1160 | error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), |
1161 | ofpbuf_size(&key), NULL); | |
8bfd0fda BP |
1162 | if (error) { |
1163 | VLOG_WARN("%s: failed to delete MPLS feature probe flow", | |
1164 | dpif_name(backer->dpif)); | |
1165 | } | |
1166 | } | |
1167 | ||
1168 | VLOG_INFO("%s: MPLS label stack length probed as %d", | |
1169 | dpif_name(backer->dpif), n); | |
1170 | return n; | |
1171 | } | |
1172 | ||
53477c2c JR |
1173 | /* Tests whether 'backer''s datapath supports masked data in |
1174 | * OVS_ACTION_ATTR_SET actions. We need to disable some features on older | |
1175 | * datapaths that don't support this feature. */ | |
1176 | static bool | |
1177 | check_masked_set_action(struct dpif_backer *backer) | |
1178 | { | |
1179 | struct eth_header *eth; | |
1180 | struct ofpbuf actions; | |
1181 | struct dpif_execute execute; | |
1182 | struct ofpbuf packet; | |
1183 | int error; | |
1184 | struct ovs_key_ethernet key, mask; | |
1185 | ||
1186 | /* Compose a set action that will cause an EINVAL error on older | |
1187 | * datapaths that don't support masked set actions. | |
1188 | * Avoid using a full mask, as it could be translated to a non-masked | |
1189 | * set action instead. */ | |
1190 | ofpbuf_init(&actions, 64); | |
1191 | memset(&key, 0x53, sizeof key); | |
1192 | memset(&mask, 0x7f, sizeof mask); | |
1193 | commit_masked_set_action(&actions, OVS_KEY_ATTR_ETHERNET, &key, &mask, | |
1194 | sizeof key); | |
1195 | ||
1196 | /* Compose a dummy ethernet packet. */ | |
1197 | ofpbuf_init(&packet, ETH_HEADER_LEN); | |
1198 | eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN); | |
1199 | eth->eth_type = htons(0x1234); | |
1200 | ||
1201 | /* Execute the actions. On older datapaths this fails with EINVAL, on | |
1202 | * newer datapaths it succeeds. */ | |
1203 | execute.actions = ofpbuf_data(&actions); | |
1204 | execute.actions_len = ofpbuf_size(&actions); | |
1205 | execute.packet = &packet; | |
1206 | execute.md = PKT_METADATA_INITIALIZER(0); | |
1207 | execute.needs_help = false; | |
43f9ac0a | 1208 | execute.probe = true; |
53477c2c JR |
1209 | |
1210 | error = dpif_execute(backer->dpif, &execute); | |
1211 | ||
1212 | ofpbuf_uninit(&packet); | |
1213 | ofpbuf_uninit(&actions); | |
1214 | ||
1215 | if (error) { | |
1216 | /* Masked set action is not supported. */ | |
1217 | VLOG_INFO("%s: datapath does not support masked set action feature.", | |
1218 | dpif_name(backer->dpif)); | |
1219 | } | |
1220 | return !error; | |
1221 | } | |
1222 | ||
abe529af | 1223 | static int |
0f5f95a9 | 1224 | construct(struct ofproto *ofproto_) |
abe529af BP |
1225 | { |
1226 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 1227 | struct shash_node *node, *next; |
abe529af | 1228 | int error; |
abe529af | 1229 | |
acf60855 | 1230 | error = open_dpif_backer(ofproto->up.type, &ofproto->backer); |
abe529af | 1231 | if (error) { |
abe529af BP |
1232 | return error; |
1233 | } | |
1234 | ||
abe529af BP |
1235 | ofproto->netflow = NULL; |
1236 | ofproto->sflow = NULL; | |
29089a54 | 1237 | ofproto->ipfix = NULL; |
21f7563c | 1238 | ofproto->stp = NULL; |
9efd308e | 1239 | ofproto->rstp = NULL; |
e79a6c83 | 1240 | ofproto->dump_seq = 0; |
abe529af | 1241 | hmap_init(&ofproto->bundles); |
e764773c | 1242 | ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME); |
6d95c4e8 | 1243 | ofproto->ms = NULL; |
ec7ceaed | 1244 | ofproto->mbridge = mbridge_create(); |
abe529af | 1245 | ofproto->has_bonded_bundles = false; |
e2d13c43 | 1246 | ofproto->lacp_enabled = false; |
493823d8 | 1247 | ofproto_tunnel_init(); |
97ba2d36 | 1248 | ovs_mutex_init_adaptive(&ofproto->stats_mutex); |
834d6caf | 1249 | ovs_mutex_init(&ofproto->vsp_mutex); |
abe529af | 1250 | |
05067881 | 1251 | guarded_list_init(&ofproto->pins); |
ada3a58d | 1252 | |
a36de779 | 1253 | ofproto_unixctl_init(); |
d9b4ebc5 | 1254 | ovs_router_unixctl_register(); |
abe529af | 1255 | |
52a90c29 BP |
1256 | hmap_init(&ofproto->vlandev_map); |
1257 | hmap_init(&ofproto->realdev_vid_map); | |
1258 | ||
acf60855 | 1259 | sset_init(&ofproto->ports); |
0a740f48 | 1260 | sset_init(&ofproto->ghost_ports); |
acf60855 JP |
1261 | sset_init(&ofproto->port_poll_set); |
1262 | ofproto->port_poll_errno = 0; | |
f23d157c | 1263 | ofproto->change_seq = 0; |
cfc50ae5 AW |
1264 | ofproto->pins_seq = seq_create(); |
1265 | ofproto->pins_seqno = seq_read(ofproto->pins_seq); | |
1266 | ||
acf60855 JP |
1267 | |
1268 | SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) { | |
4f9e08a5 | 1269 | struct iface_hint *iface_hint = node->data; |
acf60855 JP |
1270 | |
1271 | if (!strcmp(iface_hint->br_name, ofproto->up.name)) { | |
1272 | /* Check if the datapath already has this port. */ | |
1273 | if (dpif_port_exists(ofproto->backer->dpif, node->name)) { | |
1274 | sset_add(&ofproto->ports, node->name); | |
1275 | } | |
1276 | ||
1277 | free(iface_hint->br_name); | |
1278 | free(iface_hint->br_type); | |
4f9e08a5 | 1279 | free(iface_hint); |
acf60855 JP |
1280 | shash_delete(&init_ofp_ports, node); |
1281 | } | |
1282 | } | |
e1b1d06a | 1283 | |
b44a10b7 BP |
1284 | hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node, |
1285 | hash_string(ofproto->up.name, 0)); | |
6527c598 | 1286 | memset(&ofproto->stats, 0, sizeof ofproto->stats); |
0f5f95a9 BP |
1287 | |
1288 | ofproto_init_tables(ofproto_, N_TABLES); | |
c57b2226 | 1289 | error = add_internal_flows(ofproto); |
adcf00ba | 1290 | |
c57b2226 BP |
1291 | ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY; |
1292 | ||
1293 | return error; | |
1294 | } | |
1295 | ||
1296 | static int | |
adcf00ba | 1297 | add_internal_miss_flow(struct ofproto_dpif *ofproto, int id, |
f25d0cf3 | 1298 | const struct ofpbuf *ofpacts, struct rule_dpif **rulep) |
c57b2226 | 1299 | { |
adcf00ba | 1300 | struct match match; |
c57b2226 | 1301 | int error; |
adcf00ba | 1302 | struct rule *rule; |
c57b2226 | 1303 | |
adcf00ba AZ |
1304 | match_init_catchall(&match); |
1305 | match_set_reg(&match, 0, id); | |
c57b2226 | 1306 | |
290ad78a SH |
1307 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, 0, ofpacts, |
1308 | &rule); | |
adcf00ba | 1309 | *rulep = error ? NULL : rule_dpif_cast(rule); |
0f5f95a9 | 1310 | |
adcf00ba | 1311 | return error; |
abe529af BP |
1312 | } |
1313 | ||
c57b2226 BP |
1314 | static int |
1315 | add_internal_flows(struct ofproto_dpif *ofproto) | |
1316 | { | |
f25d0cf3 BP |
1317 | struct ofpact_controller *controller; |
1318 | uint64_t ofpacts_stub[128 / 8]; | |
1319 | struct ofpbuf ofpacts; | |
adcf00ba AZ |
1320 | struct rule *unused_rulep OVS_UNUSED; |
1321 | struct ofpact_resubmit *resubmit; | |
1322 | struct match match; | |
c57b2226 BP |
1323 | int error; |
1324 | int id; | |
1325 | ||
f25d0cf3 | 1326 | ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub); |
c57b2226 BP |
1327 | id = 1; |
1328 | ||
f25d0cf3 BP |
1329 | controller = ofpact_put_CONTROLLER(&ofpacts); |
1330 | controller->max_len = UINT16_MAX; | |
1331 | controller->controller_id = 0; | |
1332 | controller->reason = OFPR_NO_MATCH; | |
1333 | ofpact_pad(&ofpacts); | |
1334 | ||
adcf00ba AZ |
1335 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
1336 | &ofproto->miss_rule); | |
c57b2226 BP |
1337 | if (error) { |
1338 | return error; | |
1339 | } | |
1340 | ||
f25d0cf3 | 1341 | ofpbuf_clear(&ofpacts); |
adcf00ba | 1342 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
dbb7c28f | 1343 | &ofproto->no_packet_in_rule); |
7fd51d39 BP |
1344 | if (error) { |
1345 | return error; | |
1346 | } | |
1347 | ||
adcf00ba | 1348 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
dbb7c28f | 1349 | &ofproto->drop_frags_rule); |
adcf00ba AZ |
1350 | if (error) { |
1351 | return error; | |
1352 | } | |
1353 | ||
1354 | /* Continue non-recirculation rule lookups from table 0. | |
1355 | * | |
1356 | * (priority=2), recirc=0, actions=resubmit(, 0) | |
1357 | */ | |
1358 | resubmit = ofpact_put_RESUBMIT(&ofpacts); | |
adcf00ba AZ |
1359 | resubmit->in_port = OFPP_IN_PORT; |
1360 | resubmit->table_id = 0; | |
1361 | ||
1362 | match_init_catchall(&match); | |
1363 | match_set_recirc_id(&match, 0); | |
1364 | ||
290ad78a | 1365 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, 0, &ofpacts, |
adcf00ba AZ |
1366 | &unused_rulep); |
1367 | if (error) { | |
1368 | return error; | |
1369 | } | |
1370 | ||
1371 | /* Drop any run away recirc rule lookups. Recirc_id has to be | |
1372 | * non-zero when reaching this rule. | |
1373 | * | |
1374 | * (priority=1), *, actions=drop | |
1375 | */ | |
1376 | ofpbuf_clear(&ofpacts); | |
1377 | match_init_catchall(&match); | |
290ad78a | 1378 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 1, 0, &ofpacts, |
adcf00ba AZ |
1379 | &unused_rulep); |
1380 | ||
c57b2226 BP |
1381 | return error; |
1382 | } | |
1383 | ||
abe529af BP |
1384 | static void |
1385 | destruct(struct ofproto *ofproto_) | |
1386 | { | |
1387 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
0fb7792a | 1388 | struct ofproto_packet_in *pin, *next_pin; |
78c8df12 | 1389 | struct rule_dpif *rule; |
d0918789 | 1390 | struct oftable *table; |
1b63b91e | 1391 | struct list pins; |
abe529af | 1392 | |
875b94ed | 1393 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
84f0f298 | 1394 | xlate_txn_start(); |
46c88433 | 1395 | xlate_remove_ofproto(ofproto); |
84f0f298 | 1396 | xlate_txn_commit(); |
46c88433 | 1397 | |
3f142f59 BP |
1398 | /* Ensure that the upcall processing threads have no remaining references |
1399 | * to the ofproto or anything in it. */ | |
1400 | udpif_synchronize(ofproto->backer->udpif); | |
1fe409d5 | 1401 | |
b44a10b7 | 1402 | hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node); |
7ee20df1 | 1403 | |
0697b5c3 | 1404 | OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) { |
78c8df12 | 1405 | CLS_FOR_EACH_SAFE (rule, up.cr, &table->cls) { |
8b81d1ef | 1406 | ofproto_rule_delete(&ofproto->up, &rule->up); |
0697b5c3 | 1407 | } |
7ee20df1 BP |
1408 | } |
1409 | ||
05067881 BP |
1410 | guarded_list_pop_all(&ofproto->pins, &pins); |
1411 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) { | |
ada3a58d | 1412 | list_remove(&pin->list_node); |
0fb7792a | 1413 | free(CONST_CAST(void *, pin->up.packet)); |
ada3a58d EJ |
1414 | free(pin); |
1415 | } | |
05067881 | 1416 | guarded_list_destroy(&ofproto->pins); |
ada3a58d | 1417 | |
ec7ceaed | 1418 | mbridge_unref(ofproto->mbridge); |
abe529af | 1419 | |
8e407f27 | 1420 | netflow_unref(ofproto->netflow); |
9723bcce | 1421 | dpif_sflow_unref(ofproto->sflow); |
8b7ea2d4 | 1422 | dpif_ipfix_unref(ofproto->ipfix); |
abe529af | 1423 | hmap_destroy(&ofproto->bundles); |
5d989517 | 1424 | mac_learning_unref(ofproto->ml); |
6d95c4e8 | 1425 | mcast_snooping_unref(ofproto->ms); |
abe529af | 1426 | |
52a90c29 BP |
1427 | hmap_destroy(&ofproto->vlandev_map); |
1428 | hmap_destroy(&ofproto->realdev_vid_map); | |
1429 | ||
acf60855 | 1430 | sset_destroy(&ofproto->ports); |
0a740f48 | 1431 | sset_destroy(&ofproto->ghost_ports); |
acf60855 | 1432 | sset_destroy(&ofproto->port_poll_set); |
e1b1d06a | 1433 | |
0da3c61b | 1434 | ovs_mutex_destroy(&ofproto->stats_mutex); |
13501305 EJ |
1435 | ovs_mutex_destroy(&ofproto->vsp_mutex); |
1436 | ||
cfc50ae5 AW |
1437 | seq_destroy(ofproto->pins_seq); |
1438 | ||
acf60855 | 1439 | close_dpif_backer(ofproto->backer); |
abe529af BP |
1440 | } |
1441 | ||
5fcc0d00 BP |
1442 | static int |
1443 | run(struct ofproto *ofproto_) | |
1444 | { | |
1445 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
e79a6c83 | 1446 | uint64_t new_seq, new_dump_seq; |
5fcc0d00 | 1447 | |
ec7ceaed EJ |
1448 | if (mbridge_need_revalidate(ofproto->mbridge)) { |
1449 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
509c0149 | 1450 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 1451 | mac_learning_flush(ofproto->ml); |
509c0149 | 1452 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 1453 | mcast_snooping_mdb_flush(ofproto->ms); |
ec7ceaed EJ |
1454 | } |
1455 | ||
b53d5c33 BP |
1456 | /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during |
1457 | * flow restore. Even though nothing is processed during flow restore, | |
1458 | * all queued 'pins' will be handled immediately when flow restore | |
1459 | * completes. */ | |
1460 | ofproto->pins_seqno = seq_read(ofproto->pins_seq); | |
1461 | ||
a6b7506d | 1462 | /* Do not perform any periodic activity required by 'ofproto' while |
40358701 | 1463 | * waiting for flow restore to complete. */ |
a6b7506d EJ |
1464 | if (!ofproto_get_flow_restore_wait()) { |
1465 | struct ofproto_packet_in *pin, *next_pin; | |
1466 | struct list pins; | |
40358701 | 1467 | |
a6b7506d EJ |
1468 | guarded_list_pop_all(&ofproto->pins, &pins); |
1469 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) { | |
1470 | connmgr_send_packet_in(ofproto->up.connmgr, pin); | |
1471 | list_remove(&pin->list_node); | |
1472 | free(CONST_CAST(void *, pin->up.packet)); | |
1473 | free(pin); | |
1474 | } | |
abe529af BP |
1475 | } |
1476 | ||
abe529af | 1477 | if (ofproto->netflow) { |
8bfaca5b | 1478 | netflow_run(ofproto->netflow); |
abe529af BP |
1479 | } |
1480 | if (ofproto->sflow) { | |
bae473fe | 1481 | dpif_sflow_run(ofproto->sflow); |
abe529af | 1482 | } |
978427a5 RL |
1483 | if (ofproto->ipfix) { |
1484 | dpif_ipfix_run(ofproto->ipfix); | |
1485 | } | |
abe529af | 1486 | |
f23d157c JS |
1487 | new_seq = seq_read(connectivity_seq_get()); |
1488 | if (ofproto->change_seq != new_seq) { | |
1489 | struct ofport_dpif *ofport; | |
1490 | ||
1491 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
1492 | port_run(ofport); | |
1493 | } | |
1494 | ||
1495 | ofproto->change_seq = new_seq; | |
abe529af | 1496 | } |
e2d13c43 JS |
1497 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1498 | struct ofbundle *bundle; | |
1499 | ||
1500 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1501 | bundle_run(bundle); | |
1502 | } | |
abe529af BP |
1503 | } |
1504 | ||
21f7563c | 1505 | stp_run(ofproto); |
9efd308e | 1506 | rstp_run(ofproto); |
509c0149 | 1507 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 EJ |
1508 | if (mac_learning_run(ofproto->ml)) { |
1509 | ofproto->backer->need_revalidate = REV_MAC_LEARNING; | |
1510 | } | |
509c0149 | 1511 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 1512 | |
6d95c4e8 FL |
1513 | if (mcast_snooping_run(ofproto->ms)) { |
1514 | ofproto->backer->need_revalidate = REV_MCAST_SNOOPING; | |
1515 | } | |
1516 | ||
e79a6c83 EJ |
1517 | new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif)); |
1518 | if (ofproto->dump_seq != new_dump_seq) { | |
1519 | struct rule *rule, *next_rule; | |
1520 | ||
1521 | /* We know stats are relatively fresh, so now is a good time to do some | |
1522 | * periodic work. */ | |
1523 | ofproto->dump_seq = new_dump_seq; | |
1524 | ||
1525 | /* Expire OpenFlow flows whose idle_timeout or hard_timeout | |
1526 | * has passed. */ | |
1527 | ovs_mutex_lock(&ofproto_mutex); | |
1528 | LIST_FOR_EACH_SAFE (rule, next_rule, expirable, | |
1529 | &ofproto->up.expirable) { | |
1530 | rule_expire(rule_dpif_cast(rule)); | |
1531 | } | |
1532 | ovs_mutex_unlock(&ofproto_mutex); | |
1533 | ||
1534 | /* All outstanding data in existing flows has been accounted, so it's a | |
1535 | * good time to do bond rebalancing. */ | |
60cda7d6 | 1536 | if (ofproto->has_bonded_bundles) { |
e79a6c83 EJ |
1537 | struct ofbundle *bundle; |
1538 | ||
1539 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
60cda7d6 AZ |
1540 | if (bundle->bond) { |
1541 | bond_rebalance(bundle->bond); | |
e79a6c83 EJ |
1542 | } |
1543 | } | |
6814e51f BP |
1544 | } |
1545 | } | |
abe529af BP |
1546 | return 0; |
1547 | } | |
1548 | ||
1549 | static void | |
1550 | wait(struct ofproto *ofproto_) | |
1551 | { | |
1552 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
abe529af | 1553 | |
40358701 GS |
1554 | if (ofproto_get_flow_restore_wait()) { |
1555 | return; | |
1556 | } | |
1557 | ||
abe529af | 1558 | if (ofproto->sflow) { |
bae473fe | 1559 | dpif_sflow_wait(ofproto->sflow); |
abe529af | 1560 | } |
978427a5 RL |
1561 | if (ofproto->ipfix) { |
1562 | dpif_ipfix_wait(ofproto->ipfix); | |
1563 | } | |
e2d13c43 JS |
1564 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1565 | struct ofbundle *bundle; | |
1566 | ||
1567 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1568 | bundle_wait(bundle); | |
1569 | } | |
abe529af | 1570 | } |
6fca1ffb BP |
1571 | if (ofproto->netflow) { |
1572 | netflow_wait(ofproto->netflow); | |
1573 | } | |
509c0149 | 1574 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
1c313b88 | 1575 | mac_learning_wait(ofproto->ml); |
509c0149 | 1576 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 1577 | mcast_snooping_wait(ofproto->ms); |
21f7563c | 1578 | stp_wait(ofproto); |
2cc3c58e | 1579 | if (ofproto->backer->need_revalidate) { |
abe529af BP |
1580 | /* Shouldn't happen, but if it does just go around again. */ |
1581 | VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()"); | |
1582 | poll_immediate_wake(); | |
abe529af | 1583 | } |
abe529af | 1584 | |
e79a6c83 | 1585 | seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq); |
cfc50ae5 | 1586 | seq_wait(ofproto->pins_seq, ofproto->pins_seqno); |
0d085684 BP |
1587 | } |
1588 | ||
1c030aa5 EJ |
1589 | static void |
1590 | type_get_memory_usage(const char *type, struct simap *usage) | |
1591 | { | |
1592 | struct dpif_backer *backer; | |
1593 | ||
1594 | backer = shash_find_data(&all_dpif_backers, type); | |
1595 | if (backer) { | |
1596 | udpif_get_memory_usage(backer->udpif, usage); | |
1597 | } | |
1598 | } | |
1599 | ||
abe529af | 1600 | static void |
1b5b5071 | 1601 | flush(struct ofproto *ofproto_) |
abe529af | 1602 | { |
1b5b5071 AZ |
1603 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
1604 | struct dpif_backer *backer = ofproto->backer; | |
1605 | ||
1606 | if (backer) { | |
1607 | udpif_flush(backer->udpif); | |
1608 | } | |
abe529af BP |
1609 | } |
1610 | ||
6c1491fb | 1611 | static void |
3c1bb396 BP |
1612 | query_tables(struct ofproto *ofproto, |
1613 | struct ofputil_table_features *features, | |
1614 | struct ofputil_table_stats *stats) | |
6c1491fb | 1615 | { |
3c1bb396 | 1616 | strcpy(features->name, "classifier"); |
6c1491fb | 1617 | |
3c1bb396 BP |
1618 | if (stats) { |
1619 | int i; | |
6c1491fb | 1620 | |
3c1bb396 BP |
1621 | for (i = 0; i < ofproto->n_tables; i++) { |
1622 | unsigned long missed, matched; | |
d611866c | 1623 | |
afcea9ea JR |
1624 | atomic_read_relaxed(&ofproto->tables[i].n_matched, &matched); |
1625 | atomic_read_relaxed(&ofproto->tables[i].n_missed, &missed); | |
1626 | ||
3c1bb396 | 1627 | stats[i].matched_count = matched; |
3c1bb396 BP |
1628 | stats[i].lookup_count = matched + missed; |
1629 | } | |
d611866c | 1630 | } |
6c1491fb BP |
1631 | } |
1632 | ||
abe529af BP |
1633 | static struct ofport * |
1634 | port_alloc(void) | |
1635 | { | |
1636 | struct ofport_dpif *port = xmalloc(sizeof *port); | |
1637 | return &port->up; | |
1638 | } | |
1639 | ||
1640 | static void | |
1641 | port_dealloc(struct ofport *port_) | |
1642 | { | |
1643 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1644 | free(port); | |
1645 | } | |
1646 | ||
1647 | static int | |
1648 | port_construct(struct ofport *port_) | |
1649 | { | |
1650 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1651 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
b9ad7294 | 1652 | const struct netdev *netdev = port->up.netdev; |
3aa30359 | 1653 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
e1b1d06a JP |
1654 | struct dpif_port dpif_port; |
1655 | int error; | |
abe529af | 1656 | |
2cc3c58e | 1657 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
1658 | port->bundle = NULL; |
1659 | port->cfm = NULL; | |
ccc09689 | 1660 | port->bfd = NULL; |
f025bcb7 | 1661 | port->may_enable = false; |
21f7563c JP |
1662 | port->stp_port = NULL; |
1663 | port->stp_state = STP_DISABLED; | |
9efd308e DV |
1664 | port->rstp_port = NULL; |
1665 | port->rstp_state = RSTP_DISABLED; | |
42943cde | 1666 | port->is_tunnel = false; |
6cbbf4fa | 1667 | port->peer = NULL; |
55954f6e EJ |
1668 | port->qdscp = NULL; |
1669 | port->n_qdscp = 0; | |
52a90c29 BP |
1670 | port->realdev_ofp_port = 0; |
1671 | port->vlandev_vid = 0; | |
b9ad7294 | 1672 | port->carrier_seq = netdev_get_carrier_resets(netdev); |
a6363cfd | 1673 | port->is_layer3 = netdev_vport_is_layer3(netdev); |
abe529af | 1674 | |
b9ad7294 | 1675 | if (netdev_vport_is_patch(netdev)) { |
743cea45 NM |
1676 | /* By bailing out here, we don't submit the port to the sFlow module |
1677 | * to be considered for counter polling export. This is correct | |
1678 | * because the patch port represents an interface that sFlow considers | |
1679 | * to be "internal" to the switch as a whole, and therefore not an | |
1680 | * candidate for counter polling. */ | |
4e022ec0 | 1681 | port->odp_port = ODPP_NONE; |
6cbbf4fa | 1682 | ofport_update_peer(port); |
0a740f48 EJ |
1683 | return 0; |
1684 | } | |
1685 | ||
acf60855 | 1686 | error = dpif_port_query_by_name(ofproto->backer->dpif, |
3aa30359 BP |
1687 | netdev_vport_get_dpif_port(netdev, namebuf, |
1688 | sizeof namebuf), | |
e1b1d06a JP |
1689 | &dpif_port); |
1690 | if (error) { | |
1691 | return error; | |
1692 | } | |
1693 | ||
1694 | port->odp_port = dpif_port.port_no; | |
1695 | ||
b9ad7294 | 1696 | if (netdev_get_tunnel_config(netdev)) { |
a36de779 PS |
1697 | atomic_count_inc(&ofproto->backer->tnl_count); |
1698 | tnl_port_add(port, port->up.netdev, port->odp_port, | |
1699 | ovs_native_tunneling_is_on(ofproto), namebuf); | |
42943cde | 1700 | port->is_tunnel = true; |
8b7ea2d4 WZ |
1701 | if (ofproto->ipfix) { |
1702 | dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port); | |
1703 | } | |
b9ad7294 EJ |
1704 | } else { |
1705 | /* Sanity-check that a mapping doesn't already exist. This | |
1706 | * shouldn't happen for non-tunnel ports. */ | |
1707 | if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) { | |
1708 | VLOG_ERR("port %s already has an OpenFlow port number", | |
1709 | dpif_port.name); | |
da78d43d | 1710 | dpif_port_destroy(&dpif_port); |
b9ad7294 EJ |
1711 | return EBUSY; |
1712 | } | |
e1b1d06a | 1713 | |
8449c4d6 | 1714 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1715 | hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node, |
f9c0c3ec | 1716 | hash_odp_port(port->odp_port)); |
8449c4d6 | 1717 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1718 | } |
da78d43d | 1719 | dpif_port_destroy(&dpif_port); |
e1b1d06a | 1720 | |
abe529af | 1721 | if (ofproto->sflow) { |
e1b1d06a | 1722 | dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port); |
abe529af BP |
1723 | } |
1724 | ||
1725 | return 0; | |
1726 | } | |
1727 | ||
1728 | static void | |
1729 | port_destruct(struct ofport *port_) | |
1730 | { | |
1731 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1732 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
02f8d646 | 1733 | const char *devname = netdev_get_name(port->up.netdev); |
3aa30359 BP |
1734 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
1735 | const char *dp_port_name; | |
abe529af | 1736 | |
7894e7da | 1737 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
84f0f298 | 1738 | xlate_txn_start(); |
46c88433 | 1739 | xlate_ofport_remove(port); |
84f0f298 | 1740 | xlate_txn_commit(); |
7894e7da | 1741 | |
3aa30359 BP |
1742 | dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf, |
1743 | sizeof namebuf); | |
a614d823 | 1744 | if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
acf60855 JP |
1745 | /* The underlying device is still there, so delete it. This |
1746 | * happens when the ofproto is being destroyed, since the caller | |
1747 | * assumes that removal of attached ports will happen as part of | |
1748 | * destruction. */ | |
42943cde | 1749 | if (!port->is_tunnel) { |
a614d823 KM |
1750 | dpif_port_del(ofproto->backer->dpif, port->odp_port); |
1751 | } | |
acf60855 JP |
1752 | } |
1753 | ||
6cbbf4fa EJ |
1754 | if (port->peer) { |
1755 | port->peer->peer = NULL; | |
1756 | port->peer = NULL; | |
1757 | } | |
1758 | ||
42943cde | 1759 | if (port->odp_port != ODPP_NONE && !port->is_tunnel) { |
8449c4d6 | 1760 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 | 1761 | hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node); |
8449c4d6 | 1762 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 EJ |
1763 | } |
1764 | ||
a36de779 PS |
1765 | if (port->is_tunnel) { |
1766 | atomic_count_dec(&ofproto->backer->tnl_count); | |
1767 | } | |
1768 | ||
8b7ea2d4 WZ |
1769 | if (port->is_tunnel && ofproto->ipfix) { |
1770 | dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port); | |
1771 | } | |
1772 | ||
42943cde | 1773 | tnl_port_del(port); |
02f8d646 | 1774 | sset_find_and_delete(&ofproto->ports, devname); |
0a740f48 | 1775 | sset_find_and_delete(&ofproto->ghost_ports, devname); |
abe529af | 1776 | bundle_remove(port_); |
a5610457 | 1777 | set_cfm(port_, NULL); |
8aee94b6 | 1778 | set_bfd(port_, NULL); |
0c0c32d8 BP |
1779 | if (port->stp_port) { |
1780 | stp_port_disable(port->stp_port); | |
1781 | } | |
f025bcb7 | 1782 | set_rstp_port(port_, NULL); |
abe529af | 1783 | if (ofproto->sflow) { |
bae473fe | 1784 | dpif_sflow_del_port(ofproto->sflow, port->odp_port); |
abe529af | 1785 | } |
8b36f51e | 1786 | |
55954f6e | 1787 | free(port->qdscp); |
abe529af BP |
1788 | } |
1789 | ||
1790 | static void | |
1791 | port_modified(struct ofport *port_) | |
1792 | { | |
1793 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
a36de779 PS |
1794 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
1795 | struct netdev *netdev = port->up.netdev; | |
abe529af BP |
1796 | |
1797 | if (port->bundle && port->bundle->bond) { | |
a36de779 | 1798 | bond_slave_set_netdev(port->bundle->bond, port, netdev); |
abe529af | 1799 | } |
9d46b444 EJ |
1800 | |
1801 | if (port->cfm) { | |
a36de779 | 1802 | cfm_set_netdev(port->cfm, netdev); |
9d46b444 | 1803 | } |
f1e78bbd | 1804 | |
c1c4e8c7 | 1805 | if (port->bfd) { |
a36de779 | 1806 | bfd_set_netdev(port->bfd, netdev); |
c1c4e8c7 AW |
1807 | } |
1808 | ||
635c5db9 AW |
1809 | ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm, |
1810 | port->up.pp.hw_addr); | |
1811 | ||
a36de779 PS |
1812 | netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf); |
1813 | ||
1814 | if (port->is_tunnel) { | |
1815 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
1816 | ||
1817 | if (tnl_port_reconfigure(port, netdev, port->odp_port, | |
1818 | ovs_native_tunneling_is_on(ofproto), namebuf)) { | |
1819 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
1820 | } | |
f1e78bbd | 1821 | } |
6cbbf4fa EJ |
1822 | |
1823 | ofport_update_peer(port); | |
abe529af BP |
1824 | } |
1825 | ||
1826 | static void | |
9e1fd49b | 1827 | port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config) |
abe529af BP |
1828 | { |
1829 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1830 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
9e1fd49b | 1831 | enum ofputil_port_config changed = old_config ^ port->up.pp.config; |
abe529af | 1832 | |
9e1fd49b | 1833 | if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP | |
c57b2226 BP |
1834 | OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD | |
1835 | OFPUTIL_PC_NO_PACKET_IN)) { | |
2cc3c58e | 1836 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7bde8dd8 | 1837 | |
9e1fd49b | 1838 | if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) { |
7bde8dd8 JP |
1839 | bundle_update(port->bundle); |
1840 | } | |
abe529af BP |
1841 | } |
1842 | } | |
1843 | ||
1844 | static int | |
1845 | set_sflow(struct ofproto *ofproto_, | |
1846 | const struct ofproto_sflow_options *sflow_options) | |
1847 | { | |
1848 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
bae473fe | 1849 | struct dpif_sflow *ds = ofproto->sflow; |
6ff686f2 | 1850 | |
abe529af | 1851 | if (sflow_options) { |
bae473fe | 1852 | if (!ds) { |
abe529af BP |
1853 | struct ofport_dpif *ofport; |
1854 | ||
4213f19d | 1855 | ds = ofproto->sflow = dpif_sflow_create(); |
abe529af | 1856 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { |
e1b1d06a | 1857 | dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port); |
abe529af | 1858 | } |
2cc3c58e | 1859 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 1860 | } |
bae473fe | 1861 | dpif_sflow_set_options(ds, sflow_options); |
abe529af | 1862 | } else { |
6ff686f2 | 1863 | if (ds) { |
9723bcce | 1864 | dpif_sflow_unref(ds); |
2cc3c58e | 1865 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6ff686f2 PS |
1866 | ofproto->sflow = NULL; |
1867 | } | |
abe529af BP |
1868 | } |
1869 | return 0; | |
1870 | } | |
1871 | ||
29089a54 RL |
1872 | static int |
1873 | set_ipfix( | |
1874 | struct ofproto *ofproto_, | |
1875 | const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options, | |
1876 | const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options, | |
1877 | size_t n_flow_exporters_options) | |
1878 | { | |
1879 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1880 | struct dpif_ipfix *di = ofproto->ipfix; | |
978427a5 | 1881 | bool has_options = bridge_exporter_options || flow_exporters_options; |
8b7ea2d4 | 1882 | bool new_di = false; |
29089a54 | 1883 | |
978427a5 RL |
1884 | if (has_options && !di) { |
1885 | di = ofproto->ipfix = dpif_ipfix_create(); | |
8b7ea2d4 | 1886 | new_di = true; |
978427a5 RL |
1887 | } |
1888 | ||
1889 | if (di) { | |
1890 | /* Call set_options in any case to cleanly flush the flow | |
1891 | * caches in the last exporters that are to be destroyed. */ | |
29089a54 RL |
1892 | dpif_ipfix_set_options( |
1893 | di, bridge_exporter_options, flow_exporters_options, | |
1894 | n_flow_exporters_options); | |
978427a5 | 1895 | |
8b7ea2d4 WZ |
1896 | /* Add tunnel ports only when a new ipfix created */ |
1897 | if (new_di == true) { | |
1898 | struct ofport_dpif *ofport; | |
1899 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
1900 | if (ofport->is_tunnel == true) { | |
1901 | dpif_ipfix_add_tunnel_port(di, &ofport->up, ofport->odp_port); | |
1902 | } | |
1903 | } | |
1904 | } | |
1905 | ||
978427a5 | 1906 | if (!has_options) { |
d857c8aa | 1907 | dpif_ipfix_unref(di); |
29089a54 RL |
1908 | ofproto->ipfix = NULL; |
1909 | } | |
1910 | } | |
978427a5 | 1911 | |
29089a54 RL |
1912 | return 0; |
1913 | } | |
1914 | ||
abe529af | 1915 | static int |
a5610457 | 1916 | set_cfm(struct ofport *ofport_, const struct cfm_settings *s) |
abe529af BP |
1917 | { |
1918 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
635c5db9 | 1919 | int error = 0; |
abe529af | 1920 | |
635c5db9 | 1921 | if (s) { |
abe529af | 1922 | if (!ofport->cfm) { |
8c977421 EJ |
1923 | struct ofproto_dpif *ofproto; |
1924 | ||
1925 | ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2cc3c58e | 1926 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
90967e95 | 1927 | ofport->cfm = cfm_create(ofport->up.netdev); |
abe529af BP |
1928 | } |
1929 | ||
a5610457 | 1930 | if (cfm_configure(ofport->cfm, s)) { |
635c5db9 AW |
1931 | error = 0; |
1932 | goto out; | |
abe529af BP |
1933 | } |
1934 | ||
1935 | error = EINVAL; | |
1936 | } | |
8e9a73fa | 1937 | cfm_unref(ofport->cfm); |
abe529af | 1938 | ofport->cfm = NULL; |
635c5db9 AW |
1939 | out: |
1940 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, | |
1941 | ofport->up.pp.hw_addr); | |
abe529af BP |
1942 | return error; |
1943 | } | |
1944 | ||
8f5514fe AW |
1945 | static bool |
1946 | cfm_status_changed(struct ofport *ofport_) | |
1947 | { | |
1948 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1949 | ||
1950 | return ofport->cfm ? cfm_check_status_change(ofport->cfm) : true; | |
1951 | } | |
1952 | ||
88bf179a | 1953 | static int |
9a9e3786 | 1954 | get_cfm_status(const struct ofport *ofport_, |
685acfd9 | 1955 | struct cfm_status *status) |
1de11730 EJ |
1956 | { |
1957 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
88bf179a | 1958 | int ret = 0; |
1de11730 EJ |
1959 | |
1960 | if (ofport->cfm) { | |
8f5514fe | 1961 | cfm_get_status(ofport->cfm, status); |
1de11730 | 1962 | } else { |
88bf179a | 1963 | ret = ENOENT; |
1de11730 | 1964 | } |
88bf179a AW |
1965 | |
1966 | return ret; | |
1de11730 | 1967 | } |
ccc09689 EJ |
1968 | |
1969 | static int | |
1970 | set_bfd(struct ofport *ofport_, const struct smap *cfg) | |
1971 | { | |
1972 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
1973 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1974 | struct bfd *old; | |
1975 | ||
1976 | old = ofport->bfd; | |
c1c4e8c7 AW |
1977 | ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev), |
1978 | cfg, ofport->up.netdev); | |
ccc09689 EJ |
1979 | if (ofport->bfd != old) { |
1980 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
1981 | } | |
635c5db9 AW |
1982 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, |
1983 | ofport->up.pp.hw_addr); | |
ccc09689 EJ |
1984 | return 0; |
1985 | } | |
1986 | ||
8f5514fe AW |
1987 | static bool |
1988 | bfd_status_changed(struct ofport *ofport_) | |
1989 | { | |
1990 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1991 | ||
1992 | return ofport->bfd ? bfd_check_status_change(ofport->bfd) : true; | |
1993 | } | |
1994 | ||
ccc09689 EJ |
1995 | static int |
1996 | get_bfd_status(struct ofport *ofport_, struct smap *smap) | |
1997 | { | |
1998 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
88bf179a | 1999 | int ret = 0; |
ccc09689 EJ |
2000 | |
2001 | if (ofport->bfd) { | |
8f5514fe | 2002 | bfd_get_status(ofport->bfd, smap); |
ccc09689 | 2003 | } else { |
88bf179a | 2004 | ret = ENOENT; |
ccc09689 | 2005 | } |
88bf179a AW |
2006 | |
2007 | return ret; | |
ccc09689 | 2008 | } |
abe529af | 2009 | \f |
21f7563c JP |
2010 | /* Spanning Tree. */ |
2011 | ||
6b90bc57 | 2012 | /* Called while rstp_mutex is held. */ |
9efd308e | 2013 | static void |
6b90bc57 | 2014 | rstp_send_bpdu_cb(struct ofpbuf *pkt, void *ofport_, void *ofproto_) |
9efd308e DV |
2015 | { |
2016 | struct ofproto_dpif *ofproto = ofproto_; | |
6b90bc57 JR |
2017 | struct ofport_dpif *ofport = ofport_; |
2018 | struct eth_header *eth = ofpbuf_l2(pkt); | |
2019 | ||
2020 | netdev_get_etheraddr(ofport->up.netdev, eth->eth_src); | |
2021 | if (eth_addr_is_zero(eth->eth_src)) { | |
2022 | VLOG_WARN_RL(&rl, "%s port %d: cannot send RSTP BPDU on a port which " | |
2023 | "does not have a configured source MAC address.", | |
2024 | ofproto->up.name, ofp_to_u16(ofport->up.ofp_port)); | |
9efd308e | 2025 | } else { |
6b90bc57 | 2026 | ofproto_dpif_send_packet(ofport, pkt); |
9efd308e DV |
2027 | } |
2028 | ofpbuf_delete(pkt); | |
2029 | } | |
2030 | ||
21f7563c JP |
2031 | static void |
2032 | send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_) | |
2033 | { | |
2034 | struct ofproto_dpif *ofproto = ofproto_; | |
2035 | struct stp_port *sp = stp_get_port(ofproto->stp, port_num); | |
2036 | struct ofport_dpif *ofport; | |
2037 | ||
2038 | ofport = stp_port_get_aux(sp); | |
2039 | if (!ofport) { | |
2040 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d", | |
2041 | ofproto->up.name, port_num); | |
2042 | } else { | |
cf3b7538 | 2043 | struct eth_header *eth = ofpbuf_l2(pkt); |
21f7563c JP |
2044 | |
2045 | netdev_get_etheraddr(ofport->up.netdev, eth->eth_src); | |
2046 | if (eth_addr_is_zero(eth->eth_src)) { | |
2047 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d " | |
2048 | "with unknown MAC", ofproto->up.name, port_num); | |
2049 | } else { | |
91d6cd12 | 2050 | ofproto_dpif_send_packet(ofport, pkt); |
21f7563c JP |
2051 | } |
2052 | } | |
2053 | ofpbuf_delete(pkt); | |
2054 | } | |
2055 | ||
9efd308e DV |
2056 | /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */ |
2057 | static void | |
2058 | set_rstp(struct ofproto *ofproto_, const struct ofproto_rstp_settings *s) | |
2059 | { | |
2060 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2061 | ||
2062 | /* Only revalidate flows if the configuration changed. */ | |
2063 | if (!s != !ofproto->rstp) { | |
2064 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
2065 | } | |
2066 | ||
2067 | if (s) { | |
2068 | if (!ofproto->rstp) { | |
2069 | ofproto->rstp = rstp_create(ofproto_->name, s->address, | |
4b30ba05 | 2070 | rstp_send_bpdu_cb, ofproto); |
9efd308e DV |
2071 | ofproto->rstp_last_tick = time_msec(); |
2072 | } | |
2073 | rstp_set_bridge_address(ofproto->rstp, s->address); | |
2074 | rstp_set_bridge_priority(ofproto->rstp, s->priority); | |
2075 | rstp_set_bridge_ageing_time(ofproto->rstp, s->ageing_time); | |
2076 | rstp_set_bridge_force_protocol_version(ofproto->rstp, | |
2077 | s->force_protocol_version); | |
2078 | rstp_set_bridge_max_age(ofproto->rstp, s->bridge_max_age); | |
2079 | rstp_set_bridge_forward_delay(ofproto->rstp, s->bridge_forward_delay); | |
2080 | rstp_set_bridge_transmit_hold_count(ofproto->rstp, | |
2081 | s->transmit_hold_count); | |
2082 | } else { | |
2083 | struct ofport *ofport; | |
2084 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
2085 | set_rstp_port(ofport, NULL); | |
2086 | } | |
2087 | rstp_unref(ofproto->rstp); | |
2088 | ofproto->rstp = NULL; | |
2089 | } | |
2090 | } | |
2091 | ||
2092 | static void | |
2093 | get_rstp_status(struct ofproto *ofproto_, struct ofproto_rstp_status *s) | |
2094 | { | |
2095 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2096 | ||
2097 | if (ofproto->rstp) { | |
2098 | s->enabled = true; | |
2099 | s->root_id = rstp_get_root_id(ofproto->rstp); | |
2100 | s->bridge_id = rstp_get_bridge_id(ofproto->rstp); | |
2101 | s->designated_id = rstp_get_designated_id(ofproto->rstp); | |
2102 | s->root_path_cost = rstp_get_root_path_cost(ofproto->rstp); | |
2103 | s->designated_port_id = rstp_get_designated_port_id(ofproto->rstp); | |
2104 | s->bridge_port_id = rstp_get_bridge_port_id(ofproto->rstp); | |
2105 | } else { | |
2106 | s->enabled = false; | |
2107 | } | |
2108 | } | |
2109 | ||
2110 | static void | |
2111 | update_rstp_port_state(struct ofport_dpif *ofport) | |
2112 | { | |
2113 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2114 | enum rstp_state state; | |
2115 | ||
2116 | /* Figure out new state. */ | |
2117 | state = ofport->rstp_port ? rstp_port_get_state(ofport->rstp_port) | |
2118 | : RSTP_DISABLED; | |
2119 | ||
2120 | /* Update state. */ | |
2121 | if (ofport->rstp_state != state) { | |
2122 | enum ofputil_port_state of_state; | |
2123 | bool fwd_change; | |
2124 | ||
9a0bb428 JR |
2125 | VLOG_DBG("port %s: RSTP state changed from %s to %s", |
2126 | netdev_get_name(ofport->up.netdev), | |
2127 | rstp_state_name(ofport->rstp_state), | |
2128 | rstp_state_name(state)); | |
9efd308e DV |
2129 | if (rstp_learn_in_state(ofport->rstp_state) |
2130 | != rstp_learn_in_state(state)) { | |
2131 | /* xxx Learning action flows should also be flushed. */ | |
2132 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); | |
2133 | mac_learning_flush(ofproto->ml); | |
2134 | ovs_rwlock_unlock(&ofproto->ml->rwlock); | |
2135 | } | |
2136 | fwd_change = rstp_forward_in_state(ofport->rstp_state) | |
2137 | != rstp_forward_in_state(state); | |
2138 | ||
2139 | ofproto->backer->need_revalidate = REV_RSTP; | |
2140 | ofport->rstp_state = state; | |
2141 | ||
2142 | if (fwd_change && ofport->bundle) { | |
2143 | bundle_update(ofport->bundle); | |
2144 | } | |
2145 | ||
2146 | /* Update the RSTP state bits in the OpenFlow port description. */ | |
2147 | of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK; | |
2148 | of_state |= (state == RSTP_LEARNING ? OFPUTIL_PS_STP_LEARN | |
2149 | : state == RSTP_FORWARDING ? OFPUTIL_PS_STP_FORWARD | |
2150 | : state == RSTP_DISCARDING ? OFPUTIL_PS_STP_LISTEN | |
2151 | : 0); | |
2152 | ofproto_port_set_state(&ofport->up, of_state); | |
2153 | } | |
2154 | } | |
2155 | ||
2156 | static void | |
2157 | rstp_run(struct ofproto_dpif *ofproto) | |
2158 | { | |
2159 | if (ofproto->rstp) { | |
2160 | long long int now = time_msec(); | |
2161 | long long int elapsed = now - ofproto->rstp_last_tick; | |
2162 | struct rstp_port *rp; | |
f025bcb7 | 2163 | struct ofport_dpif *ofport; |
54d3863b | 2164 | |
9efd308e DV |
2165 | /* Every second, decrease the values of the timers. */ |
2166 | if (elapsed >= 1000) { | |
2167 | rstp_tick_timers(ofproto->rstp); | |
2168 | ofproto->rstp_last_tick = now; | |
2169 | } | |
f025bcb7 JR |
2170 | rp = NULL; |
2171 | while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) { | |
2172 | update_rstp_port_state(ofport); | |
9efd308e DV |
2173 | } |
2174 | /* FIXME: This check should be done on-event (i.e., when setting | |
2175 | * p->fdb_flush) and not periodically. | |
2176 | */ | |
2177 | if (rstp_check_and_reset_fdb_flush(ofproto->rstp)) { | |
2178 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); | |
2179 | /* FIXME: RSTP should be able to flush the entries pertaining to a | |
2180 | * single port, not the whole table. | |
2181 | */ | |
2182 | mac_learning_flush(ofproto->ml); | |
2183 | ovs_rwlock_unlock(&ofproto->ml->rwlock); | |
2184 | } | |
2185 | } | |
2186 | } | |
2187 | ||
21f7563c JP |
2188 | /* Configures STP on 'ofproto_' using the settings defined in 's'. */ |
2189 | static int | |
2190 | set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s) | |
2191 | { | |
2192 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2193 | ||
2194 | /* Only revalidate flows if the configuration changed. */ | |
2195 | if (!s != !ofproto->stp) { | |
2cc3c58e | 2196 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
21f7563c JP |
2197 | } |
2198 | ||
2199 | if (s) { | |
2200 | if (!ofproto->stp) { | |
2201 | ofproto->stp = stp_create(ofproto_->name, s->system_id, | |
2202 | send_bpdu_cb, ofproto); | |
2203 | ofproto->stp_last_tick = time_msec(); | |
2204 | } | |
2205 | ||
2206 | stp_set_bridge_id(ofproto->stp, s->system_id); | |
2207 | stp_set_bridge_priority(ofproto->stp, s->priority); | |
2208 | stp_set_hello_time(ofproto->stp, s->hello_time); | |
2209 | stp_set_max_age(ofproto->stp, s->max_age); | |
2210 | stp_set_forward_delay(ofproto->stp, s->fwd_delay); | |
2211 | } else { | |
851bf71d EJ |
2212 | struct ofport *ofport; |
2213 | ||
2214 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
2215 | set_stp_port(ofport, NULL); | |
2216 | } | |
2217 | ||
bd54dbcd | 2218 | stp_unref(ofproto->stp); |
21f7563c JP |
2219 | ofproto->stp = NULL; |
2220 | } | |
2221 | ||
2222 | return 0; | |
2223 | } | |
2224 | ||
2225 | static int | |
2226 | get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s) | |
2227 | { | |
2228 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2229 | ||
2230 | if (ofproto->stp) { | |
2231 | s->enabled = true; | |
2232 | s->bridge_id = stp_get_bridge_id(ofproto->stp); | |
2233 | s->designated_root = stp_get_designated_root(ofproto->stp); | |
2234 | s->root_path_cost = stp_get_root_path_cost(ofproto->stp); | |
2235 | } else { | |
2236 | s->enabled = false; | |
2237 | } | |
2238 | ||
2239 | return 0; | |
2240 | } | |
2241 | ||
2242 | static void | |
2243 | update_stp_port_state(struct ofport_dpif *ofport) | |
2244 | { | |
2245 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2246 | enum stp_state state; | |
2247 | ||
2248 | /* Figure out new state. */ | |
2249 | state = ofport->stp_port ? stp_port_get_state(ofport->stp_port) | |
2250 | : STP_DISABLED; | |
2251 | ||
2252 | /* Update state. */ | |
2253 | if (ofport->stp_state != state) { | |
9e1fd49b | 2254 | enum ofputil_port_state of_state; |
21f7563c JP |
2255 | bool fwd_change; |
2256 | ||
9a0bb428 JR |
2257 | VLOG_DBG("port %s: STP state changed from %s to %s", |
2258 | netdev_get_name(ofport->up.netdev), | |
2259 | stp_state_name(ofport->stp_state), | |
2260 | stp_state_name(state)); | |
21f7563c JP |
2261 | if (stp_learn_in_state(ofport->stp_state) |
2262 | != stp_learn_in_state(state)) { | |
2263 | /* xxx Learning action flows should also be flushed. */ | |
509c0149 | 2264 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 2265 | mac_learning_flush(ofproto->ml); |
509c0149 | 2266 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 2267 | mcast_snooping_mdb_flush(ofproto->ms); |
21f7563c JP |
2268 | } |
2269 | fwd_change = stp_forward_in_state(ofport->stp_state) | |
2270 | != stp_forward_in_state(state); | |
2271 | ||
2cc3c58e | 2272 | ofproto->backer->need_revalidate = REV_STP; |
21f7563c JP |
2273 | ofport->stp_state = state; |
2274 | ofport->stp_state_entered = time_msec(); | |
2275 | ||
b308140a | 2276 | if (fwd_change && ofport->bundle) { |
21f7563c JP |
2277 | bundle_update(ofport->bundle); |
2278 | } | |
2279 | ||
2280 | /* Update the STP state bits in the OpenFlow port description. */ | |
9e1fd49b BP |
2281 | of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK; |
2282 | of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN | |
2283 | : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN | |
2284 | : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD | |
2285 | : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK | |
2286 | : 0); | |
21f7563c JP |
2287 | ofproto_port_set_state(&ofport->up, of_state); |
2288 | } | |
2289 | } | |
2290 | ||
2291 | /* Configures STP on 'ofport_' using the settings defined in 's'. The | |
2292 | * caller is responsible for assigning STP port numbers and ensuring | |
2293 | * there are no duplicates. */ | |
2294 | static int | |
2295 | set_stp_port(struct ofport *ofport_, | |
2296 | const struct ofproto_port_stp_settings *s) | |
2297 | { | |
2298 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2299 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2300 | struct stp_port *sp = ofport->stp_port; | |
2301 | ||
2302 | if (!s || !s->enable) { | |
2303 | if (sp) { | |
2304 | ofport->stp_port = NULL; | |
2305 | stp_port_disable(sp); | |
ecd12731 | 2306 | update_stp_port_state(ofport); |
21f7563c JP |
2307 | } |
2308 | return 0; | |
2309 | } else if (sp && stp_port_no(sp) != s->port_num | |
f025bcb7 | 2310 | && ofport == stp_port_get_aux(sp)) { |
21f7563c JP |
2311 | /* The port-id changed, so disable the old one if it's not |
2312 | * already in use by another port. */ | |
2313 | stp_port_disable(sp); | |
2314 | } | |
2315 | ||
2316 | sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num); | |
21f7563c | 2317 | |
fb20b0bf JR |
2318 | /* Set name before enabling the port so that debugging messages can print |
2319 | * the name. */ | |
11306274 | 2320 | stp_port_set_name(sp, netdev_get_name(ofport->up.netdev)); |
fb20b0bf JR |
2321 | stp_port_enable(sp); |
2322 | ||
21f7563c JP |
2323 | stp_port_set_aux(sp, ofport); |
2324 | stp_port_set_priority(sp, s->priority); | |
2325 | stp_port_set_path_cost(sp, s->path_cost); | |
2326 | ||
2327 | update_stp_port_state(ofport); | |
2328 | ||
2329 | return 0; | |
2330 | } | |
2331 | ||
2332 | static int | |
2333 | get_stp_port_status(struct ofport *ofport_, | |
2334 | struct ofproto_port_stp_status *s) | |
2335 | { | |
2336 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2337 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2338 | struct stp_port *sp = ofport->stp_port; | |
2339 | ||
2340 | if (!ofproto->stp || !sp) { | |
2341 | s->enabled = false; | |
2342 | return 0; | |
2343 | } | |
2344 | ||
2345 | s->enabled = true; | |
2346 | s->port_id = stp_port_get_id(sp); | |
2347 | s->state = stp_port_get_state(sp); | |
2348 | s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000; | |
2349 | s->role = stp_port_get_role(sp); | |
fd28ce3a JS |
2350 | |
2351 | return 0; | |
2352 | } | |
2353 | ||
2354 | static int | |
2355 | get_stp_port_stats(struct ofport *ofport_, | |
2356 | struct ofproto_port_stp_stats *s) | |
2357 | { | |
2358 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2359 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2360 | struct stp_port *sp = ofport->stp_port; | |
2361 | ||
2362 | if (!ofproto->stp || !sp) { | |
2363 | s->enabled = false; | |
2364 | return 0; | |
2365 | } | |
2366 | ||
2367 | s->enabled = true; | |
80740385 | 2368 | stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count); |
21f7563c JP |
2369 | |
2370 | return 0; | |
2371 | } | |
2372 | ||
2373 | static void | |
2374 | stp_run(struct ofproto_dpif *ofproto) | |
2375 | { | |
2376 | if (ofproto->stp) { | |
2377 | long long int now = time_msec(); | |
2378 | long long int elapsed = now - ofproto->stp_last_tick; | |
2379 | struct stp_port *sp; | |
2380 | ||
2381 | if (elapsed > 0) { | |
2382 | stp_tick(ofproto->stp, MIN(INT_MAX, elapsed)); | |
2383 | ofproto->stp_last_tick = now; | |
2384 | } | |
2385 | while (stp_get_changed_port(ofproto->stp, &sp)) { | |
2386 | struct ofport_dpif *ofport = stp_port_get_aux(sp); | |
2387 | ||
2388 | if (ofport) { | |
2389 | update_stp_port_state(ofport); | |
2390 | } | |
2391 | } | |
6ae50723 EJ |
2392 | |
2393 | if (stp_check_and_reset_fdb_flush(ofproto->stp)) { | |
509c0149 | 2394 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 2395 | mac_learning_flush(ofproto->ml); |
509c0149 | 2396 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 2397 | mcast_snooping_mdb_flush(ofproto->ms); |
6ae50723 | 2398 | } |
21f7563c JP |
2399 | } |
2400 | } | |
2401 | ||
2402 | static void | |
2403 | stp_wait(struct ofproto_dpif *ofproto) | |
2404 | { | |
2405 | if (ofproto->stp) { | |
2406 | poll_timer_wait(1000); | |
2407 | } | |
2408 | } | |
9efd308e DV |
2409 | |
2410 | /* Configures RSTP on 'ofport_' using the settings defined in 's'. The | |
2411 | * caller is responsible for assigning RSTP port numbers and ensuring | |
2412 | * there are no duplicates. */ | |
2413 | static void | |
2414 | set_rstp_port(struct ofport *ofport_, | |
cc33c223 | 2415 | const struct ofproto_port_rstp_settings *s) |
9efd308e DV |
2416 | { |
2417 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2418 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2419 | struct rstp_port *rp = ofport->rstp_port; | |
9efd308e DV |
2420 | |
2421 | if (!s || !s->enable) { | |
2422 | if (rp) { | |
f025bcb7 | 2423 | rstp_port_unref(rp); |
9efd308e | 2424 | ofport->rstp_port = NULL; |
9efd308e DV |
2425 | update_rstp_port_state(ofport); |
2426 | } | |
9efd308e DV |
2427 | return; |
2428 | } | |
f025bcb7 JR |
2429 | |
2430 | /* Check if need to add a new port. */ | |
9efd308e DV |
2431 | if (!rp) { |
2432 | rp = ofport->rstp_port = rstp_add_port(ofproto->rstp); | |
2433 | } | |
9efd308e | 2434 | |
f025bcb7 | 2435 | rstp_port_set(rp, s->port_num, s->priority, s->path_cost, |
67e8c1ac JR |
2436 | s->admin_edge_port, s->auto_edge, |
2437 | s->admin_p2p_mac_state, s->admin_port_state, s->mcheck, | |
2438 | ofport); | |
9efd308e | 2439 | update_rstp_port_state(ofport); |
29db47ce JR |
2440 | /* Synchronize operational status. */ |
2441 | rstp_port_set_mac_operational(rp, ofport->may_enable); | |
9efd308e DV |
2442 | } |
2443 | ||
2444 | static void | |
2445 | get_rstp_port_status(struct ofport *ofport_, | |
2446 | struct ofproto_port_rstp_status *s) | |
2447 | { | |
2448 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2449 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2450 | struct rstp_port *rp = ofport->rstp_port; | |
2451 | ||
2452 | if (!ofproto->rstp || !rp) { | |
2453 | s->enabled = false; | |
2454 | return; | |
2455 | } | |
2456 | ||
2457 | s->enabled = true; | |
9c64e6b8 JR |
2458 | rstp_port_get_status(rp, &s->port_id, &s->state, &s->role, |
2459 | &s->designated_bridge_id, &s->designated_port_id, | |
2460 | &s->designated_path_cost, &s->tx_count, | |
f025bcb7 | 2461 | &s->rx_count, &s->error_count, &s->uptime); |
9efd308e DV |
2462 | } |
2463 | ||
21f7563c | 2464 | \f |
8b36f51e | 2465 | static int |
55954f6e | 2466 | set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp, |
8b36f51e EJ |
2467 | size_t n_qdscp) |
2468 | { | |
2469 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2470 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
8b36f51e | 2471 | |
55954f6e EJ |
2472 | if (ofport->n_qdscp != n_qdscp |
2473 | || (n_qdscp && memcmp(ofport->qdscp, qdscp, | |
2474 | n_qdscp * sizeof *qdscp))) { | |
2cc3c58e | 2475 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
55954f6e EJ |
2476 | free(ofport->qdscp); |
2477 | ofport->qdscp = n_qdscp | |
2478 | ? xmemdup(qdscp, n_qdscp * sizeof *qdscp) | |
2479 | : NULL; | |
2480 | ofport->n_qdscp = n_qdscp; | |
8b36f51e EJ |
2481 | } |
2482 | ||
8b36f51e EJ |
2483 | return 0; |
2484 | } | |
2485 | \f | |
abe529af BP |
2486 | /* Bundles. */ |
2487 | ||
b44a10b7 BP |
2488 | /* Expires all MAC learning entries associated with 'bundle' and forces its |
2489 | * ofproto to revalidate every flow. | |
2490 | * | |
2491 | * Normally MAC learning entries are removed only from the ofproto associated | |
2492 | * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries | |
2493 | * are removed from every ofproto. When patch ports and SLB bonds are in use | |
2494 | * and a VM migration happens and the gratuitous ARPs are somehow lost, this | |
2495 | * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate | |
2496 | * with the host from which it migrated. */ | |
abe529af | 2497 | static void |
b44a10b7 | 2498 | bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos) |
abe529af BP |
2499 | { |
2500 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
2501 | struct mac_learning *ml = ofproto->ml; | |
2502 | struct mac_entry *mac, *next_mac; | |
2503 | ||
2cc3c58e | 2504 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
509c0149 | 2505 | ovs_rwlock_wrlock(&ml->rwlock); |
abe529af BP |
2506 | LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) { |
2507 | if (mac->port.p == bundle) { | |
b44a10b7 BP |
2508 | if (all_ofprotos) { |
2509 | struct ofproto_dpif *o; | |
2510 | ||
2511 | HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
2512 | if (o != ofproto) { | |
2513 | struct mac_entry *e; | |
2514 | ||
509c0149 | 2515 | ovs_rwlock_wrlock(&o->ml->rwlock); |
30618594 | 2516 | e = mac_learning_lookup(o->ml, mac->mac, mac->vlan); |
b44a10b7 | 2517 | if (e) { |
b44a10b7 BP |
2518 | mac_learning_expire(o->ml, e); |
2519 | } | |
509c0149 | 2520 | ovs_rwlock_unlock(&o->ml->rwlock); |
b44a10b7 BP |
2521 | } |
2522 | } | |
2523 | } | |
2524 | ||
abe529af BP |
2525 | mac_learning_expire(ml, mac); |
2526 | } | |
2527 | } | |
509c0149 | 2528 | ovs_rwlock_unlock(&ml->rwlock); |
abe529af BP |
2529 | } |
2530 | ||
2531 | static struct ofbundle * | |
2532 | bundle_lookup(const struct ofproto_dpif *ofproto, void *aux) | |
2533 | { | |
2534 | struct ofbundle *bundle; | |
2535 | ||
2536 | HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0), | |
2537 | &ofproto->bundles) { | |
2538 | if (bundle->aux == aux) { | |
2539 | return bundle; | |
2540 | } | |
2541 | } | |
2542 | return NULL; | |
2543 | } | |
2544 | ||
7bde8dd8 JP |
2545 | static void |
2546 | bundle_update(struct ofbundle *bundle) | |
2547 | { | |
2548 | struct ofport_dpif *port; | |
2549 | ||
2550 | bundle->floodable = true; | |
2551 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
9e1fd49b | 2552 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2553 | || port->is_layer3 |
9e1fd49b | 2554 | || !stp_forward_in_state(port->stp_state)) { |
7bde8dd8 JP |
2555 | bundle->floodable = false; |
2556 | break; | |
2557 | } | |
2558 | } | |
2559 | } | |
2560 | ||
abe529af BP |
2561 | static void |
2562 | bundle_del_port(struct ofport_dpif *port) | |
2563 | { | |
2564 | struct ofbundle *bundle = port->bundle; | |
2565 | ||
2cc3c58e | 2566 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6f77f4ae | 2567 | |
abe529af BP |
2568 | list_remove(&port->bundle_node); |
2569 | port->bundle = NULL; | |
2570 | ||
2571 | if (bundle->lacp) { | |
2572 | lacp_slave_unregister(bundle->lacp, port); | |
2573 | } | |
2574 | if (bundle->bond) { | |
2575 | bond_slave_unregister(bundle->bond, port); | |
2576 | } | |
2577 | ||
7bde8dd8 | 2578 | bundle_update(bundle); |
abe529af BP |
2579 | } |
2580 | ||
2581 | static bool | |
4e022ec0 | 2582 | bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port, |
df53d41c | 2583 | struct lacp_slave_settings *lacp) |
abe529af BP |
2584 | { |
2585 | struct ofport_dpif *port; | |
2586 | ||
2587 | port = get_ofp_port(bundle->ofproto, ofp_port); | |
2588 | if (!port) { | |
2589 | return false; | |
2590 | } | |
2591 | ||
2592 | if (port->bundle != bundle) { | |
2cc3c58e | 2593 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 2594 | if (port->bundle) { |
e019a574 | 2595 | bundle_remove(&port->up); |
abe529af BP |
2596 | } |
2597 | ||
2598 | port->bundle = bundle; | |
2599 | list_push_back(&bundle->ports, &port->bundle_node); | |
9e1fd49b | 2600 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2601 | || port->is_layer3 |
9e1fd49b | 2602 | || !stp_forward_in_state(port->stp_state)) { |
abe529af BP |
2603 | bundle->floodable = false; |
2604 | } | |
2605 | } | |
2606 | if (lacp) { | |
2cc3c58e | 2607 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2608 | lacp_slave_register(bundle->lacp, port, lacp); |
2609 | } | |
2610 | ||
2611 | return true; | |
2612 | } | |
2613 | ||
2614 | static void | |
2615 | bundle_destroy(struct ofbundle *bundle) | |
2616 | { | |
2617 | struct ofproto_dpif *ofproto; | |
2618 | struct ofport_dpif *port, *next_port; | |
abe529af BP |
2619 | |
2620 | if (!bundle) { | |
2621 | return; | |
2622 | } | |
2623 | ||
2624 | ofproto = bundle->ofproto; | |
ec7ceaed | 2625 | mbridge_unregister_bundle(ofproto->mbridge, bundle->aux); |
abe529af | 2626 | |
84f0f298 | 2627 | xlate_txn_start(); |
46c88433 | 2628 | xlate_bundle_remove(bundle); |
84f0f298 | 2629 | xlate_txn_commit(); |
46c88433 | 2630 | |
abe529af BP |
2631 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { |
2632 | bundle_del_port(port); | |
2633 | } | |
2634 | ||
b44a10b7 | 2635 | bundle_flush_macs(bundle, true); |
abe529af BP |
2636 | hmap_remove(&ofproto->bundles, &bundle->hmap_node); |
2637 | free(bundle->name); | |
2638 | free(bundle->trunks); | |
91779071 | 2639 | lacp_unref(bundle->lacp); |
03366a2d | 2640 | bond_unref(bundle->bond); |
abe529af BP |
2641 | free(bundle); |
2642 | } | |
2643 | ||
2644 | static int | |
2645 | bundle_set(struct ofproto *ofproto_, void *aux, | |
2646 | const struct ofproto_bundle_settings *s) | |
2647 | { | |
2648 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2649 | bool need_flush = false; | |
abe529af BP |
2650 | struct ofport_dpif *port; |
2651 | struct ofbundle *bundle; | |
ecac4ebf BP |
2652 | unsigned long *trunks; |
2653 | int vlan; | |
abe529af BP |
2654 | size_t i; |
2655 | bool ok; | |
2656 | ||
2657 | if (!s) { | |
2658 | bundle_destroy(bundle_lookup(ofproto, aux)); | |
2659 | return 0; | |
2660 | } | |
2661 | ||
cb22974d BP |
2662 | ovs_assert(s->n_slaves == 1 || s->bond != NULL); |
2663 | ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL)); | |
abe529af BP |
2664 | |
2665 | bundle = bundle_lookup(ofproto, aux); | |
2666 | if (!bundle) { | |
2667 | bundle = xmalloc(sizeof *bundle); | |
2668 | ||
2669 | bundle->ofproto = ofproto; | |
2670 | hmap_insert(&ofproto->bundles, &bundle->hmap_node, | |
2671 | hash_pointer(aux, 0)); | |
2672 | bundle->aux = aux; | |
2673 | bundle->name = NULL; | |
2674 | ||
2675 | list_init(&bundle->ports); | |
ecac4ebf | 2676 | bundle->vlan_mode = PORT_VLAN_TRUNK; |
abe529af BP |
2677 | bundle->vlan = -1; |
2678 | bundle->trunks = NULL; | |
5e9ceccd | 2679 | bundle->use_priority_tags = s->use_priority_tags; |
abe529af BP |
2680 | bundle->lacp = NULL; |
2681 | bundle->bond = NULL; | |
2682 | ||
2683 | bundle->floodable = true; | |
ec7ceaed | 2684 | mbridge_register_bundle(ofproto->mbridge, bundle); |
abe529af BP |
2685 | } |
2686 | ||
2687 | if (!bundle->name || strcmp(s->name, bundle->name)) { | |
2688 | free(bundle->name); | |
2689 | bundle->name = xstrdup(s->name); | |
2690 | } | |
2691 | ||
2692 | /* LACP. */ | |
2693 | if (s->lacp) { | |
e2d13c43 | 2694 | ofproto->lacp_enabled = true; |
abe529af | 2695 | if (!bundle->lacp) { |
2cc3c58e | 2696 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2697 | bundle->lacp = lacp_create(); |
2698 | } | |
2699 | lacp_configure(bundle->lacp, s->lacp); | |
2700 | } else { | |
91779071 | 2701 | lacp_unref(bundle->lacp); |
abe529af BP |
2702 | bundle->lacp = NULL; |
2703 | } | |
2704 | ||
2705 | /* Update set of ports. */ | |
2706 | ok = true; | |
2707 | for (i = 0; i < s->n_slaves; i++) { | |
2708 | if (!bundle_add_port(bundle, s->slaves[i], | |
df53d41c | 2709 | s->lacp ? &s->lacp_slaves[i] : NULL)) { |
abe529af BP |
2710 | ok = false; |
2711 | } | |
2712 | } | |
2713 | if (!ok || list_size(&bundle->ports) != s->n_slaves) { | |
2714 | struct ofport_dpif *next_port; | |
2715 | ||
2716 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { | |
2717 | for (i = 0; i < s->n_slaves; i++) { | |
56c769ab | 2718 | if (s->slaves[i] == port->up.ofp_port) { |
abe529af BP |
2719 | goto found; |
2720 | } | |
2721 | } | |
2722 | ||
2723 | bundle_del_port(port); | |
2724 | found: ; | |
2725 | } | |
2726 | } | |
cb22974d | 2727 | ovs_assert(list_size(&bundle->ports) <= s->n_slaves); |
abe529af BP |
2728 | |
2729 | if (list_is_empty(&bundle->ports)) { | |
2730 | bundle_destroy(bundle); | |
2731 | return EINVAL; | |
2732 | } | |
2733 | ||
ecac4ebf | 2734 | /* Set VLAN tagging mode */ |
5e9ceccd BP |
2735 | if (s->vlan_mode != bundle->vlan_mode |
2736 | || s->use_priority_tags != bundle->use_priority_tags) { | |
ecac4ebf | 2737 | bundle->vlan_mode = s->vlan_mode; |
5e9ceccd | 2738 | bundle->use_priority_tags = s->use_priority_tags; |
ecac4ebf BP |
2739 | need_flush = true; |
2740 | } | |
2741 | ||
abe529af | 2742 | /* Set VLAN tag. */ |
ecac4ebf BP |
2743 | vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1 |
2744 | : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan | |
2745 | : 0); | |
2746 | if (vlan != bundle->vlan) { | |
2747 | bundle->vlan = vlan; | |
abe529af BP |
2748 | need_flush = true; |
2749 | } | |
2750 | ||
2751 | /* Get trunked VLANs. */ | |
ecac4ebf BP |
2752 | switch (s->vlan_mode) { |
2753 | case PORT_VLAN_ACCESS: | |
2754 | trunks = NULL; | |
2755 | break; | |
2756 | ||
2757 | case PORT_VLAN_TRUNK: | |
ebc56baa | 2758 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2759 | break; |
2760 | ||
2761 | case PORT_VLAN_NATIVE_UNTAGGED: | |
2762 | case PORT_VLAN_NATIVE_TAGGED: | |
2763 | if (vlan != 0 && (!s->trunks | |
2764 | || !bitmap_is_set(s->trunks, vlan) | |
2765 | || bitmap_is_set(s->trunks, 0))) { | |
2766 | /* Force trunking the native VLAN and prohibit trunking VLAN 0. */ | |
2767 | if (s->trunks) { | |
2768 | trunks = bitmap_clone(s->trunks, 4096); | |
2769 | } else { | |
2770 | trunks = bitmap_allocate1(4096); | |
2771 | } | |
2772 | bitmap_set1(trunks, vlan); | |
2773 | bitmap_set0(trunks, 0); | |
2774 | } else { | |
ebc56baa | 2775 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2776 | } |
2777 | break; | |
2778 | ||
2779 | default: | |
428b2edd | 2780 | OVS_NOT_REACHED(); |
ecac4ebf | 2781 | } |
abe529af BP |
2782 | if (!vlan_bitmap_equal(trunks, bundle->trunks)) { |
2783 | free(bundle->trunks); | |
ecac4ebf BP |
2784 | if (trunks == s->trunks) { |
2785 | bundle->trunks = vlan_bitmap_clone(trunks); | |
2786 | } else { | |
2787 | bundle->trunks = trunks; | |
2788 | trunks = NULL; | |
2789 | } | |
abe529af BP |
2790 | need_flush = true; |
2791 | } | |
ecac4ebf BP |
2792 | if (trunks != s->trunks) { |
2793 | free(trunks); | |
2794 | } | |
abe529af BP |
2795 | |
2796 | /* Bonding. */ | |
2797 | if (!list_is_short(&bundle->ports)) { | |
2798 | bundle->ofproto->has_bonded_bundles = true; | |
2799 | if (bundle->bond) { | |
2800 | if (bond_reconfigure(bundle->bond, s->bond)) { | |
2cc3c58e | 2801 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2802 | } |
2803 | } else { | |
adcf00ba | 2804 | bundle->bond = bond_create(s->bond, ofproto); |
2cc3c58e | 2805 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2806 | } |
2807 | ||
2808 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
adcf00ba AZ |
2809 | bond_slave_register(bundle->bond, port, |
2810 | port->up.ofp_port, port->up.netdev); | |
abe529af BP |
2811 | } |
2812 | } else { | |
03366a2d | 2813 | bond_unref(bundle->bond); |
abe529af BP |
2814 | bundle->bond = NULL; |
2815 | } | |
2816 | ||
2817 | /* If we changed something that would affect MAC learning, un-learn | |
2818 | * everything on this port and force flow revalidation. */ | |
2819 | if (need_flush) { | |
b44a10b7 | 2820 | bundle_flush_macs(bundle, false); |
abe529af BP |
2821 | } |
2822 | ||
2823 | return 0; | |
2824 | } | |
2825 | ||
2826 | static void | |
2827 | bundle_remove(struct ofport *port_) | |
2828 | { | |
2829 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
2830 | struct ofbundle *bundle = port->bundle; | |
2831 | ||
2832 | if (bundle) { | |
2833 | bundle_del_port(port); | |
2834 | if (list_is_empty(&bundle->ports)) { | |
2835 | bundle_destroy(bundle); | |
2836 | } else if (list_is_short(&bundle->ports)) { | |
03366a2d | 2837 | bond_unref(bundle->bond); |
abe529af BP |
2838 | bundle->bond = NULL; |
2839 | } | |
2840 | } | |
2841 | } | |
2842 | ||
2843 | static void | |
5f877369 | 2844 | send_pdu_cb(void *port_, const void *pdu, size_t pdu_size) |
abe529af BP |
2845 | { |
2846 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10); | |
2847 | struct ofport_dpif *port = port_; | |
2848 | uint8_t ea[ETH_ADDR_LEN]; | |
2849 | int error; | |
2850 | ||
2851 | error = netdev_get_etheraddr(port->up.netdev, ea); | |
2852 | if (!error) { | |
abe529af | 2853 | struct ofpbuf packet; |
5f877369 | 2854 | void *packet_pdu; |
abe529af BP |
2855 | |
2856 | ofpbuf_init(&packet, 0); | |
2857 | packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP, | |
5f877369 EJ |
2858 | pdu_size); |
2859 | memcpy(packet_pdu, pdu, pdu_size); | |
2860 | ||
91d6cd12 | 2861 | ofproto_dpif_send_packet(port, &packet); |
abe529af BP |
2862 | ofpbuf_uninit(&packet); |
2863 | } else { | |
2864 | VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface " | |
2865 | "%s (%s)", port->bundle->name, | |
10a89ef0 | 2866 | netdev_get_name(port->up.netdev), ovs_strerror(error)); |
abe529af BP |
2867 | } |
2868 | } | |
2869 | ||
2870 | static void | |
2871 | bundle_send_learning_packets(struct ofbundle *bundle) | |
2872 | { | |
2873 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
0165217e | 2874 | struct ofpbuf *learning_packet; |
abe529af BP |
2875 | int error, n_packets, n_errors; |
2876 | struct mac_entry *e; | |
0165217e | 2877 | struct list packets; |
abe529af | 2878 | |
0165217e | 2879 | list_init(&packets); |
509c0149 | 2880 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
2881 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
2882 | if (e->port.p != bundle) { | |
4dd1e3ca | 2883 | void *port_void; |
ea131871 | 2884 | |
4dd1e3ca BP |
2885 | learning_packet = bond_compose_learning_packet(bundle->bond, |
2886 | e->mac, e->vlan, | |
2887 | &port_void); | |
cf3b7538 JR |
2888 | /* Temporarily use 'frame' as a private pointer (see below). */ |
2889 | ovs_assert(learning_packet->frame == ofpbuf_data(learning_packet)); | |
2890 | learning_packet->frame = port_void; | |
0165217e | 2891 | list_push_back(&packets, &learning_packet->list_node); |
abe529af BP |
2892 | } |
2893 | } | |
509c0149 | 2894 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 2895 | |
0165217e EJ |
2896 | error = n_packets = n_errors = 0; |
2897 | LIST_FOR_EACH (learning_packet, list_node, &packets) { | |
2898 | int ret; | |
cf3b7538 | 2899 | void *port_void = learning_packet->frame; |
0165217e | 2900 | |
cf3b7538 JR |
2901 | /* Restore 'frame'. */ |
2902 | learning_packet->frame = ofpbuf_data(learning_packet); | |
437d0d22 | 2903 | ret = ofproto_dpif_send_packet(port_void, learning_packet); |
0165217e EJ |
2904 | if (ret) { |
2905 | error = ret; | |
2906 | n_errors++; | |
2907 | } | |
2908 | n_packets++; | |
2909 | } | |
2910 | ofpbuf_list_delete(&packets); | |
2911 | ||
abe529af BP |
2912 | if (n_errors) { |
2913 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
2914 | VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning " | |
2915 | "packets, last error was: %s", | |
10a89ef0 | 2916 | bundle->name, n_errors, n_packets, ovs_strerror(error)); |
abe529af BP |
2917 | } else { |
2918 | VLOG_DBG("bond %s: sent %d gratuitous learning packets", | |
2919 | bundle->name, n_packets); | |
2920 | } | |
2921 | } | |
2922 | ||
2923 | static void | |
2924 | bundle_run(struct ofbundle *bundle) | |
2925 | { | |
2926 | if (bundle->lacp) { | |
2927 | lacp_run(bundle->lacp, send_pdu_cb); | |
2928 | } | |
2929 | if (bundle->bond) { | |
2930 | struct ofport_dpif *port; | |
2931 | ||
2932 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
015e08bc | 2933 | bond_slave_set_may_enable(bundle->bond, port, port->may_enable); |
abe529af BP |
2934 | } |
2935 | ||
4a1b8f30 EJ |
2936 | if (bond_run(bundle->bond, lacp_status(bundle->lacp))) { |
2937 | bundle->ofproto->backer->need_revalidate = REV_BOND; | |
2938 | } | |
2939 | ||
abe529af BP |
2940 | if (bond_should_send_learning_packets(bundle->bond)) { |
2941 | bundle_send_learning_packets(bundle); | |
2942 | } | |
2943 | } | |
2944 | } | |
2945 | ||
2946 | static void | |
2947 | bundle_wait(struct ofbundle *bundle) | |
2948 | { | |
2949 | if (bundle->lacp) { | |
2950 | lacp_wait(bundle->lacp); | |
2951 | } | |
2952 | if (bundle->bond) { | |
2953 | bond_wait(bundle->bond); | |
2954 | } | |
2955 | } | |
2956 | \f | |
2957 | /* Mirrors. */ | |
2958 | ||
2959 | static int | |
ec7ceaed EJ |
2960 | mirror_set__(struct ofproto *ofproto_, void *aux, |
2961 | const struct ofproto_mirror_settings *s) | |
abe529af BP |
2962 | { |
2963 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
ec7ceaed EJ |
2964 | struct ofbundle **srcs, **dsts; |
2965 | int error; | |
2966 | size_t i; | |
abe529af | 2967 | |
abe529af | 2968 | if (!s) { |
ec7ceaed | 2969 | mirror_destroy(ofproto->mbridge, aux); |
abe529af BP |
2970 | return 0; |
2971 | } | |
2972 | ||
ec7ceaed EJ |
2973 | srcs = xmalloc(s->n_srcs * sizeof *srcs); |
2974 | dsts = xmalloc(s->n_dsts * sizeof *dsts); | |
abe529af | 2975 | |
ec7ceaed EJ |
2976 | for (i = 0; i < s->n_srcs; i++) { |
2977 | srcs[i] = bundle_lookup(ofproto, s->srcs[i]); | |
abe529af BP |
2978 | } |
2979 | ||
ec7ceaed EJ |
2980 | for (i = 0; i < s->n_dsts; i++) { |
2981 | dsts[i] = bundle_lookup(ofproto, s->dsts[i]); | |
abe529af BP |
2982 | } |
2983 | ||
ec7ceaed EJ |
2984 | error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts, |
2985 | s->n_dsts, s->src_vlans, | |
2986 | bundle_lookup(ofproto, s->out_bundle), s->out_vlan); | |
2987 | free(srcs); | |
2988 | free(dsts); | |
2989 | return error; | |
abe529af BP |
2990 | } |
2991 | ||
9d24de3b | 2992 | static int |
ec7ceaed EJ |
2993 | mirror_get_stats__(struct ofproto *ofproto, void *aux, |
2994 | uint64_t *packets, uint64_t *bytes) | |
9d24de3b | 2995 | { |
ec7ceaed EJ |
2996 | return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets, |
2997 | bytes); | |
9d24de3b JP |
2998 | } |
2999 | ||
abe529af BP |
3000 | static int |
3001 | set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans) | |
3002 | { | |
3003 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 3004 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
abe529af | 3005 | if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) { |
30618594 | 3006 | mac_learning_flush(ofproto->ml); |
abe529af | 3007 | } |
509c0149 | 3008 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af BP |
3009 | return 0; |
3010 | } | |
3011 | ||
3012 | static bool | |
b4affc74 | 3013 | is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux) |
abe529af BP |
3014 | { |
3015 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3016 | struct ofbundle *bundle = bundle_lookup(ofproto, aux); | |
ec7ceaed | 3017 | return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0; |
abe529af | 3018 | } |
8402c74b SS |
3019 | |
3020 | static void | |
b53055f4 | 3021 | forward_bpdu_changed(struct ofproto *ofproto_) |
8402c74b SS |
3022 | { |
3023 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2cc3c58e | 3024 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8402c74b | 3025 | } |
e764773c BP |
3026 | |
3027 | static void | |
c4069512 BP |
3028 | set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time, |
3029 | size_t max_entries) | |
e764773c BP |
3030 | { |
3031 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 3032 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
e764773c | 3033 | mac_learning_set_idle_time(ofproto->ml, idle_time); |
c4069512 | 3034 | mac_learning_set_max_entries(ofproto->ml, max_entries); |
509c0149 | 3035 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
e764773c | 3036 | } |
7c38d0a5 FL |
3037 | |
3038 | /* Configures multicast snooping on 'ofport' using the settings | |
3039 | * defined in 's'. */ | |
3040 | static int | |
3041 | set_mcast_snooping(struct ofproto *ofproto_, | |
3042 | const struct ofproto_mcast_snooping_settings *s) | |
3043 | { | |
3044 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3045 | ||
3046 | /* Only revalidate flows if the configuration changed. */ | |
3047 | if (!s != !ofproto->ms) { | |
3048 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
3049 | } | |
3050 | ||
3051 | if (s) { | |
3052 | if (!ofproto->ms) { | |
3053 | ofproto->ms = mcast_snooping_create(); | |
3054 | } | |
3055 | ||
3056 | ovs_rwlock_wrlock(&ofproto->ms->rwlock); | |
3057 | mcast_snooping_set_idle_time(ofproto->ms, s->idle_time); | |
3058 | mcast_snooping_set_max_entries(ofproto->ms, s->max_entries); | |
3059 | if (mcast_snooping_set_flood_unreg(ofproto->ms, s->flood_unreg)) { | |
3060 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
3061 | } | |
3062 | ovs_rwlock_unlock(&ofproto->ms->rwlock); | |
3063 | } else { | |
3064 | mcast_snooping_unref(ofproto->ms); | |
3065 | ofproto->ms = NULL; | |
3066 | } | |
3067 | ||
3068 | return 0; | |
3069 | } | |
3070 | ||
3071 | /* Configures multicast snooping port's flood setting on 'ofproto'. */ | |
3072 | static int | |
3073 | set_mcast_snooping_port(struct ofproto *ofproto_, void *aux, bool flood) | |
3074 | { | |
3075 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3076 | struct ofbundle *bundle = bundle_lookup(ofproto, aux); | |
3077 | ||
3078 | if (ofproto->ms) { | |
3079 | ovs_rwlock_wrlock(&ofproto->ms->rwlock); | |
3080 | mcast_snooping_set_port_flood(ofproto->ms, bundle->vlan, bundle, | |
3081 | flood); | |
3082 | ovs_rwlock_unlock(&ofproto->ms->rwlock); | |
3083 | } | |
3084 | return 0; | |
3085 | } | |
3086 | ||
abe529af BP |
3087 | \f |
3088 | /* Ports. */ | |
3089 | ||
46c88433 | 3090 | static struct ofport_dpif * |
4e022ec0 | 3091 | get_ofp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
abe529af | 3092 | { |
7df6a8bd BP |
3093 | struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port); |
3094 | return ofport ? ofport_dpif_cast(ofport) : NULL; | |
abe529af BP |
3095 | } |
3096 | ||
abe529af | 3097 | static void |
e1b1d06a JP |
3098 | ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto, |
3099 | struct ofproto_port *ofproto_port, | |
abe529af BP |
3100 | struct dpif_port *dpif_port) |
3101 | { | |
3102 | ofproto_port->name = dpif_port->name; | |
3103 | ofproto_port->type = dpif_port->type; | |
e1b1d06a | 3104 | ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no); |
abe529af BP |
3105 | } |
3106 | ||
6cbbf4fa EJ |
3107 | static void |
3108 | ofport_update_peer(struct ofport_dpif *ofport) | |
0a740f48 EJ |
3109 | { |
3110 | const struct ofproto_dpif *ofproto; | |
6cbbf4fa | 3111 | struct dpif_backer *backer; |
161b6042 | 3112 | char *peer_name; |
6cbbf4fa EJ |
3113 | |
3114 | if (!netdev_vport_is_patch(ofport->up.netdev)) { | |
3115 | return; | |
3116 | } | |
3117 | ||
3118 | backer = ofproto_dpif_cast(ofport->up.ofproto)->backer; | |
7894e7da | 3119 | backer->need_revalidate = REV_RECONFIGURE; |
0a740f48 | 3120 | |
6cbbf4fa EJ |
3121 | if (ofport->peer) { |
3122 | ofport->peer->peer = NULL; | |
3123 | ofport->peer = NULL; | |
3124 | } | |
3125 | ||
3126 | peer_name = netdev_vport_patch_peer(ofport->up.netdev); | |
3127 | if (!peer_name) { | |
3128 | return; | |
0a740f48 EJ |
3129 | } |
3130 | ||
3131 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
6cbbf4fa EJ |
3132 | struct ofport *peer_ofport; |
3133 | struct ofport_dpif *peer; | |
161b6042 | 3134 | char *peer_peer; |
0a740f48 | 3135 | |
462abef2 EJ |
3136 | if (ofproto->backer != backer) { |
3137 | continue; | |
3138 | } | |
3139 | ||
6cbbf4fa EJ |
3140 | peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name); |
3141 | if (!peer_ofport) { | |
3142 | continue; | |
3143 | } | |
3144 | ||
3145 | peer = ofport_dpif_cast(peer_ofport); | |
3146 | peer_peer = netdev_vport_patch_peer(peer->up.netdev); | |
3147 | if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev), | |
3148 | peer_peer)) { | |
3149 | ofport->peer = peer; | |
3150 | ofport->peer->peer = ofport; | |
0a740f48 | 3151 | } |
161b6042 | 3152 | free(peer_peer); |
6cbbf4fa | 3153 | |
161b6042 | 3154 | break; |
0a740f48 | 3155 | } |
161b6042 | 3156 | free(peer_name); |
0a740f48 EJ |
3157 | } |
3158 | ||
abe529af BP |
3159 | static void |
3160 | port_run(struct ofport_dpif *ofport) | |
3161 | { | |
3e5b3fdb EJ |
3162 | long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev); |
3163 | bool carrier_changed = carrier_seq != ofport->carrier_seq; | |
015e08bc | 3164 | bool enable = netdev_get_carrier(ofport->up.netdev); |
2d344ba5 AW |
3165 | bool cfm_enable = false; |
3166 | bool bfd_enable = false; | |
015e08bc | 3167 | |
3e5b3fdb EJ |
3168 | ofport->carrier_seq = carrier_seq; |
3169 | ||
abe529af | 3170 | if (ofport->cfm) { |
4653c558 EJ |
3171 | int cfm_opup = cfm_get_opup(ofport->cfm); |
3172 | ||
2d344ba5 | 3173 | cfm_enable = !cfm_get_fault(ofport->cfm); |
4653c558 EJ |
3174 | |
3175 | if (cfm_opup >= 0) { | |
2d344ba5 | 3176 | cfm_enable = cfm_enable && cfm_opup; |
4653c558 | 3177 | } |
abe529af | 3178 | } |
015e08bc | 3179 | |
ccc09689 | 3180 | if (ofport->bfd) { |
2d344ba5 AW |
3181 | bfd_enable = bfd_forwarding(ofport->bfd); |
3182 | } | |
3183 | ||
3184 | if (ofport->bfd || ofport->cfm) { | |
3185 | enable = enable && (cfm_enable || bfd_enable); | |
ccc09689 EJ |
3186 | } |
3187 | ||
015e08bc EJ |
3188 | if (ofport->bundle) { |
3189 | enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport); | |
3e5b3fdb EJ |
3190 | if (carrier_changed) { |
3191 | lacp_slave_carrier_changed(ofport->bundle->lacp, ofport); | |
3192 | } | |
015e08bc EJ |
3193 | } |
3194 | ||
daff3353 EJ |
3195 | if (ofport->may_enable != enable) { |
3196 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
daff3353 | 3197 | |
f025bcb7 | 3198 | ofproto->backer->need_revalidate = REV_PORT_TOGGLED; |
9efd308e | 3199 | |
f025bcb7 | 3200 | if (ofport->rstp_port) { |
9efd308e DV |
3201 | rstp_port_set_mac_operational(ofport->rstp_port, enable); |
3202 | } | |
3203 | } | |
f025bcb7 JR |
3204 | |
3205 | ofport->may_enable = enable; | |
abe529af BP |
3206 | } |
3207 | ||
abe529af BP |
3208 | static int |
3209 | port_query_by_name(const struct ofproto *ofproto_, const char *devname, | |
3210 | struct ofproto_port *ofproto_port) | |
3211 | { | |
3212 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3213 | struct dpif_port dpif_port; | |
3214 | int error; | |
3215 | ||
0a740f48 EJ |
3216 | if (sset_contains(&ofproto->ghost_ports, devname)) { |
3217 | const char *type = netdev_get_type_from_name(devname); | |
3218 | ||
3219 | /* We may be called before ofproto->up.port_by_name is populated with | |
3220 | * the appropriate ofport. For this reason, we must get the name and | |
3221 | * type from the netdev layer directly. */ | |
3222 | if (type) { | |
3223 | const struct ofport *ofport; | |
3224 | ||
3225 | ofport = shash_find_data(&ofproto->up.port_by_name, devname); | |
3226 | ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE; | |
3227 | ofproto_port->name = xstrdup(devname); | |
3228 | ofproto_port->type = xstrdup(type); | |
3229 | return 0; | |
3230 | } | |
3231 | return ENODEV; | |
3232 | } | |
3233 | ||
acf60855 JP |
3234 | if (!sset_contains(&ofproto->ports, devname)) { |
3235 | return ENODEV; | |
3236 | } | |
3237 | error = dpif_port_query_by_name(ofproto->backer->dpif, | |
3238 | devname, &dpif_port); | |
abe529af | 3239 | if (!error) { |
e1b1d06a | 3240 | ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port); |
abe529af BP |
3241 | } |
3242 | return error; | |
3243 | } | |
3244 | ||
3245 | static int | |
e1b1d06a | 3246 | port_add(struct ofproto *ofproto_, struct netdev *netdev) |
abe529af BP |
3247 | { |
3248 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 3249 | const char *devname = netdev_get_name(netdev); |
3aa30359 BP |
3250 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
3251 | const char *dp_port_name; | |
abe529af | 3252 | |
0a740f48 EJ |
3253 | if (netdev_vport_is_patch(netdev)) { |
3254 | sset_add(&ofproto->ghost_ports, netdev_get_name(netdev)); | |
3255 | return 0; | |
3256 | } | |
3257 | ||
3aa30359 | 3258 | dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf); |
b9ad7294 | 3259 | if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
4e022ec0 | 3260 | odp_port_t port_no = ODPP_NONE; |
7d82ab2e KM |
3261 | int error; |
3262 | ||
3263 | error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no); | |
b9ad7294 EJ |
3264 | if (error) { |
3265 | return error; | |
3266 | } | |
7d82ab2e | 3267 | if (netdev_get_tunnel_config(netdev)) { |
4e022ec0 AW |
3268 | simap_put(&ofproto->backer->tnl_backers, |
3269 | dp_port_name, odp_to_u32(port_no)); | |
7d82ab2e | 3270 | } |
acf60855 | 3271 | } |
b9ad7294 EJ |
3272 | |
3273 | if (netdev_get_tunnel_config(netdev)) { | |
3274 | sset_add(&ofproto->ghost_ports, devname); | |
b9ad7294 EJ |
3275 | } else { |
3276 | sset_add(&ofproto->ports, devname); | |
3277 | } | |
3278 | return 0; | |
3279 | } | |
3280 | ||
abe529af | 3281 | static int |
4e022ec0 | 3282 | port_del(struct ofproto *ofproto_, ofp_port_t ofp_port) |
abe529af BP |
3283 | { |
3284 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 3285 | struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); |
e1b1d06a | 3286 | int error = 0; |
abe529af | 3287 | |
b9ad7294 EJ |
3288 | if (!ofport) { |
3289 | return 0; | |
e1b1d06a | 3290 | } |
b9ad7294 EJ |
3291 | |
3292 | sset_find_and_delete(&ofproto->ghost_ports, | |
3293 | netdev_get_name(ofport->up.netdev)); | |
a614d823 | 3294 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8911c674 | 3295 | if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) { |
b9ad7294 EJ |
3296 | error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port); |
3297 | if (!error) { | |
abe529af BP |
3298 | /* The caller is going to close ofport->up.netdev. If this is a |
3299 | * bonded port, then the bond is using that netdev, so remove it | |
3300 | * from the bond. The client will need to reconfigure everything | |
3301 | * after deleting ports, so then the slave will get re-added. */ | |
3302 | bundle_remove(&ofport->up); | |
3303 | } | |
3304 | } | |
3305 | return error; | |
3306 | } | |
3307 | ||
6527c598 PS |
3308 | static int |
3309 | port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats) | |
3310 | { | |
3311 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3312 | int error; | |
3313 | ||
3314 | error = netdev_get_stats(ofport->up.netdev, stats); | |
3315 | ||
ee382d89 | 3316 | if (!error && ofport_->ofp_port == OFPP_LOCAL) { |
6527c598 PS |
3317 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
3318 | ||
0da3c61b | 3319 | ovs_mutex_lock(&ofproto->stats_mutex); |
6527c598 PS |
3320 | /* ofproto->stats.tx_packets represents packets that we created |
3321 | * internally and sent to some port (e.g. packets sent with | |
91d6cd12 AW |
3322 | * ofproto_dpif_send_packet()). Account for them as if they had |
3323 | * come from OFPP_LOCAL and got forwarded. */ | |
6527c598 PS |
3324 | |
3325 | if (stats->rx_packets != UINT64_MAX) { | |
3326 | stats->rx_packets += ofproto->stats.tx_packets; | |
3327 | } | |
3328 | ||
3329 | if (stats->rx_bytes != UINT64_MAX) { | |
3330 | stats->rx_bytes += ofproto->stats.tx_bytes; | |
3331 | } | |
3332 | ||
3333 | /* ofproto->stats.rx_packets represents packets that were received on | |
3334 | * some port and we processed internally and dropped (e.g. STP). | |
4e090bc7 | 3335 | * Account for them as if they had been forwarded to OFPP_LOCAL. */ |
6527c598 PS |
3336 | |
3337 | if (stats->tx_packets != UINT64_MAX) { | |
3338 | stats->tx_packets += ofproto->stats.rx_packets; | |
3339 | } | |
3340 | ||
3341 | if (stats->tx_bytes != UINT64_MAX) { | |
3342 | stats->tx_bytes += ofproto->stats.rx_bytes; | |
3343 | } | |
0da3c61b | 3344 | ovs_mutex_unlock(&ofproto->stats_mutex); |
6527c598 PS |
3345 | } |
3346 | ||
3347 | return error; | |
3348 | } | |
3349 | ||
50b9699f NM |
3350 | static int |
3351 | port_get_lacp_stats(const struct ofport *ofport_, struct lacp_slave_stats *stats) | |
3352 | { | |
3353 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3354 | if (ofport->bundle && ofport->bundle->lacp) { | |
3355 | if (lacp_get_slave_stats(ofport->bundle->lacp, ofport, stats)) { | |
3356 | return 0; | |
3357 | } | |
3358 | } | |
3359 | return -1; | |
3360 | } | |
3361 | ||
abe529af | 3362 | struct port_dump_state { |
acf60855 JP |
3363 | uint32_t bucket; |
3364 | uint32_t offset; | |
0a740f48 | 3365 | bool ghost; |
da78d43d BP |
3366 | |
3367 | struct ofproto_port port; | |
3368 | bool has_port; | |
abe529af BP |
3369 | }; |
3370 | ||
3371 | static int | |
acf60855 | 3372 | port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep) |
abe529af | 3373 | { |
0a740f48 | 3374 | *statep = xzalloc(sizeof(struct port_dump_state)); |
abe529af BP |
3375 | return 0; |
3376 | } | |
3377 | ||
3378 | static int | |
b9ad7294 | 3379 | port_dump_next(const struct ofproto *ofproto_, void *state_, |
abe529af BP |
3380 | struct ofproto_port *port) |
3381 | { | |
e1b1d06a | 3382 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
abe529af | 3383 | struct port_dump_state *state = state_; |
0a740f48 | 3384 | const struct sset *sset; |
acf60855 | 3385 | struct sset_node *node; |
abe529af | 3386 | |
da78d43d BP |
3387 | if (state->has_port) { |
3388 | ofproto_port_destroy(&state->port); | |
3389 | state->has_port = false; | |
3390 | } | |
0a740f48 EJ |
3391 | sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports; |
3392 | while ((node = sset_at_position(sset, &state->bucket, &state->offset))) { | |
acf60855 JP |
3393 | int error; |
3394 | ||
da78d43d BP |
3395 | error = port_query_by_name(ofproto_, node->name, &state->port); |
3396 | if (!error) { | |
3397 | *port = state->port; | |
3398 | state->has_port = true; | |
3399 | return 0; | |
3400 | } else if (error != ENODEV) { | |
acf60855 JP |
3401 | return error; |
3402 | } | |
abe529af | 3403 | } |
acf60855 | 3404 | |
0a740f48 EJ |
3405 | if (!state->ghost) { |
3406 | state->ghost = true; | |
3407 | state->bucket = 0; | |
3408 | state->offset = 0; | |
3409 | return port_dump_next(ofproto_, state_, port); | |
3410 | } | |
3411 | ||
acf60855 | 3412 | return EOF; |
abe529af BP |
3413 | } |
3414 | ||
3415 | static int | |
3416 | port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_) | |
3417 | { | |
3418 | struct port_dump_state *state = state_; | |
3419 | ||
da78d43d BP |
3420 | if (state->has_port) { |
3421 | ofproto_port_destroy(&state->port); | |
3422 | } | |
abe529af BP |
3423 | free(state); |
3424 | return 0; | |
3425 | } | |
3426 | ||
3427 | static int | |
3428 | port_poll(const struct ofproto *ofproto_, char **devnamep) | |
3429 | { | |
3430 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 JP |
3431 | |
3432 | if (ofproto->port_poll_errno) { | |
3433 | int error = ofproto->port_poll_errno; | |
3434 | ofproto->port_poll_errno = 0; | |
3435 | return error; | |
3436 | } | |
3437 | ||
3438 | if (sset_is_empty(&ofproto->port_poll_set)) { | |
3439 | return EAGAIN; | |
3440 | } | |
3441 | ||
3442 | *devnamep = sset_pop(&ofproto->port_poll_set); | |
3443 | return 0; | |
abe529af BP |
3444 | } |
3445 | ||
3446 | static void | |
3447 | port_poll_wait(const struct ofproto *ofproto_) | |
3448 | { | |
3449 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 3450 | dpif_port_poll_wait(ofproto->backer->dpif); |
abe529af BP |
3451 | } |
3452 | ||
3453 | static int | |
3454 | port_is_lacp_current(const struct ofport *ofport_) | |
3455 | { | |
3456 | const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3457 | return (ofport->bundle && ofport->bundle->lacp | |
3458 | ? lacp_slave_is_current(ofport->bundle->lacp, ofport) | |
3459 | : -1); | |
3460 | } | |
3461 | \f | |
e79a6c83 EJ |
3462 | /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules, |
3463 | * then delete it entirely. */ | |
3464 | static void | |
3465 | rule_expire(struct rule_dpif *rule) | |
3466 | OVS_REQUIRES(ofproto_mutex) | |
9d6ac44e | 3467 | { |
dc437090 | 3468 | uint16_t hard_timeout, idle_timeout; |
e79a6c83 | 3469 | long long int now = time_msec(); |
dc437090 | 3470 | int reason = -1; |
9d6ac44e | 3471 | |
e79a6c83 EJ |
3472 | hard_timeout = rule->up.hard_timeout; |
3473 | idle_timeout = rule->up.idle_timeout; | |
dc437090 JR |
3474 | |
3475 | /* Has 'rule' expired? */ | |
3476 | if (hard_timeout) { | |
3477 | long long int modified; | |
3478 | ||
3479 | ovs_mutex_lock(&rule->up.mutex); | |
3480 | modified = rule->up.modified; | |
3481 | ovs_mutex_unlock(&rule->up.mutex); | |
3482 | ||
3483 | if (now > modified + hard_timeout * 1000) { | |
3484 | reason = OFPRR_HARD_TIMEOUT; | |
3485 | } | |
3486 | } | |
3487 | ||
3488 | if (reason < 0 && idle_timeout) { | |
3489 | long long int used; | |
3490 | ||
3491 | ovs_mutex_lock(&rule->stats_mutex); | |
1a4ec18d | 3492 | used = rule->stats.used; |
dc437090 JR |
3493 | ovs_mutex_unlock(&rule->stats_mutex); |
3494 | ||
3495 | if (now > used + idle_timeout * 1000) { | |
3496 | reason = OFPRR_IDLE_TIMEOUT; | |
3497 | } | |
f9c37233 | 3498 | } |
501f8d1f | 3499 | |
e79a6c83 EJ |
3500 | if (reason >= 0) { |
3501 | COVERAGE_INC(ofproto_dpif_expired); | |
3502 | ofproto_rule_expire(&rule->up, reason); | |
a41d7bf2 | 3503 | } |
e79a6c83 | 3504 | } |
a41d7bf2 | 3505 | |
e79a6c83 EJ |
3506 | /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'. |
3507 | * 'flow' must reflect the data in 'packet'. */ | |
3508 | int | |
3509 | ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto, | |
3510 | const struct flow *flow, | |
3511 | struct rule_dpif *rule, | |
3512 | const struct ofpact *ofpacts, size_t ofpacts_len, | |
3513 | struct ofpbuf *packet) | |
3514 | { | |
e79a6c83 EJ |
3515 | struct dpif_flow_stats stats; |
3516 | struct xlate_out xout; | |
3517 | struct xlate_in xin; | |
3518 | ofp_port_t in_port; | |
758c456d | 3519 | struct dpif_execute execute; |
e79a6c83 | 3520 | int error; |
f9c37233 | 3521 | |
e79a6c83 | 3522 | ovs_assert((rule != NULL) != (ofpacts != NULL)); |
501f8d1f | 3523 | |
e79a6c83 | 3524 | dpif_flow_stats_extract(flow, packet, time_msec(), &stats); |
adcf00ba | 3525 | |
e79a6c83 EJ |
3526 | if (rule) { |
3527 | rule_dpif_credit_stats(rule, &stats); | |
3528 | } | |
c84451a6 | 3529 | |
cc377352 EJ |
3530 | xlate_in_init(&xin, ofproto, flow, flow->in_port.ofp_port, rule, |
3531 | stats.tcp_flags, packet); | |
e79a6c83 EJ |
3532 | xin.ofpacts = ofpacts; |
3533 | xin.ofpacts_len = ofpacts_len; | |
3534 | xin.resubmit_stats = &stats; | |
3535 | xlate_actions(&xin, &xout); | |
d445cc16 | 3536 | |
cc377352 EJ |
3537 | execute.actions = ofpbuf_data(xout.odp_actions); |
3538 | execute.actions_len = ofpbuf_size(xout.odp_actions); | |
a36de779 | 3539 | |
08edf837 BP |
3540 | execute.packet = packet; |
3541 | execute.md = pkt_metadata_from_flow(flow); | |
3542 | execute.needs_help = (xout.slow & SLOW_ACTION) != 0; | |
43f9ac0a | 3543 | execute.probe = false; |
08edf837 BP |
3544 | |
3545 | /* Fix up in_port. */ | |
e79a6c83 EJ |
3546 | in_port = flow->in_port.ofp_port; |
3547 | if (in_port == OFPP_NONE) { | |
3548 | in_port = OFPP_LOCAL; | |
501f8d1f | 3549 | } |
b5e7e61a | 3550 | execute.md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port); |
758c456d JR |
3551 | |
3552 | error = dpif_execute(ofproto->backer->dpif, &execute); | |
501f8d1f | 3553 | |
e79a6c83 | 3554 | xlate_out_uninit(&xout); |
9d6ac44e | 3555 | |
e79a6c83 | 3556 | return error; |
9d6ac44e BP |
3557 | } |
3558 | ||
e79a6c83 EJ |
3559 | void |
3560 | rule_dpif_credit_stats(struct rule_dpif *rule, | |
3561 | const struct dpif_flow_stats *stats) | |
8f73d537 | 3562 | { |
e79a6c83 | 3563 | ovs_mutex_lock(&rule->stats_mutex); |
1a4ec18d JS |
3564 | rule->stats.n_packets += stats->n_packets; |
3565 | rule->stats.n_bytes += stats->n_bytes; | |
3566 | rule->stats.used = MAX(rule->stats.used, stats->used); | |
e79a6c83 | 3567 | ovs_mutex_unlock(&rule->stats_mutex); |
8f73d537 EJ |
3568 | } |
3569 | ||
e79a6c83 EJ |
3570 | ovs_be64 |
3571 | rule_dpif_get_flow_cookie(const struct rule_dpif *rule) | |
3572 | OVS_REQUIRES(rule->up.mutex) | |
3573 | { | |
3574 | return rule->up.flow_cookie; | |
3575 | } | |
cfd5c9eb | 3576 | |
e79a6c83 EJ |
3577 | void |
3578 | rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout, | |
3579 | uint16_t hard_timeout) | |
3580 | { | |
3581 | ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout); | |
6a7e895f BP |
3582 | } |
3583 | ||
d8227eba JR |
3584 | /* Returns 'rule''s actions. The returned actions are RCU-protected, and can |
3585 | * be read until the calling thread quiesces. */ | |
dc723c44 | 3586 | const struct rule_actions * |
e79a6c83 | 3587 | rule_dpif_get_actions(const struct rule_dpif *rule) |
6ff686f2 | 3588 | { |
e79a6c83 EJ |
3589 | return rule_get_actions(&rule->up); |
3590 | } | |
abe529af | 3591 | |
888ac0d7 SH |
3592 | /* Sets 'rule''s recirculation id. */ |
3593 | static void | |
3594 | rule_dpif_set_recirc_id(struct rule_dpif *rule, uint32_t id) | |
3595 | OVS_REQUIRES(rule->up.mutex) | |
3596 | { | |
3597 | ovs_assert(!rule->recirc_id); | |
3598 | rule->recirc_id = id; | |
3599 | } | |
3600 | ||
3601 | /* Returns 'rule''s recirculation id. */ | |
3602 | uint32_t | |
3603 | rule_dpif_get_recirc_id(struct rule_dpif *rule) | |
3604 | OVS_REQUIRES(rule->up.mutex) | |
3605 | { | |
3606 | if (!rule->recirc_id) { | |
3607 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); | |
3608 | ||
3609 | rule_dpif_set_recirc_id(rule, ofproto_dpif_alloc_recirc_id(ofproto)); | |
3610 | } | |
3611 | return rule->recirc_id; | |
3612 | } | |
3613 | ||
3614 | /* Sets 'rule''s recirculation id. */ | |
3615 | void | |
3616 | rule_set_recirc_id(struct rule *rule_, uint32_t id) | |
3617 | { | |
3618 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3619 | ||
3620 | ovs_mutex_lock(&rule->up.mutex); | |
3621 | rule_dpif_set_recirc_id(rule, id); | |
3622 | ovs_mutex_unlock(&rule->up.mutex); | |
3623 | } | |
3624 | ||
4a750708 AZ |
3625 | /* Lookup 'flow' in table 0 of 'ofproto''s classifier. |
3626 | * If 'wc' is non-null, sets the fields that were relevant as part of | |
34dd0d78 JR |
3627 | * the lookup. Returns the table id where a match or miss occurred via |
3628 | * 'table_id'. This will be zero unless there was a miss and | |
4a750708 | 3629 | * OFPTC11_TABLE_MISS_CONTINUE is in effect for the sequence of tables |
34dd0d78 JR |
3630 | * where misses occur, or TBL_INTERNAL if the rule has a non-zero |
3631 | * recirculation ID, and a match was found in the internal table, or if | |
3632 | * there was no match and one of the special rules (drop_frags_rule, | |
3633 | * miss_rule, or no_packet_in_rule) was returned. | |
1a7c0cd7 | 3634 | * |
34dd0d78 JR |
3635 | * The return value is the found rule, which is valid at least until the next |
3636 | * RCU quiescent period. If the rule needs to stay around longer, | |
1a7c0cd7 JR |
3637 | * a non-zero 'take_ref' must be passed in to cause a reference to be taken |
3638 | * on it before this returns. */ | |
34dd0d78 | 3639 | struct rule_dpif * |
4a750708 | 3640 | rule_dpif_lookup(struct ofproto_dpif *ofproto, struct flow *flow, |
34dd0d78 JR |
3641 | struct flow_wildcards *wc, bool take_ref, |
3642 | const struct dpif_flow_stats *stats, uint8_t *table_id) | |
c57b2226 | 3643 | { |
34dd0d78 | 3644 | *table_id = 0; |
4a750708 AZ |
3645 | |
3646 | if (ofproto_dpif_get_enable_recirc(ofproto)) { | |
c12cea0e AZ |
3647 | /* Always exactly match recirc_id since datapath supports |
3648 | * recirculation. */ | |
3649 | if (wc) { | |
3650 | wc->masks.recirc_id = UINT32_MAX; | |
4a750708 | 3651 | } |
d8227eba JR |
3652 | if (flow->recirc_id) { |
3653 | /* Start looking up from internal table for post recirculation | |
3654 | * flows or packets. */ | |
34dd0d78 | 3655 | *table_id = TBL_INTERNAL; |
6d328fa2 | 3656 | } |
ec89fc6f | 3657 | } |
c57b2226 | 3658 | |
34dd0d78 JR |
3659 | return rule_dpif_lookup_from_table(ofproto, flow, wc, take_ref, stats, |
3660 | table_id, flow->in_port.ofp_port, true, | |
3661 | true); | |
c57b2226 BP |
3662 | } |
3663 | ||
34dd0d78 JR |
3664 | /* The returned rule (if any) is valid at least until the next RCU quiescent |
3665 | * period. If the rule needs to stay around longer, a non-zero 'take_ref' | |
3666 | * must be passed in to cause a reference to be taken on it. */ | |
6d328fa2 SH |
3667 | static struct rule_dpif * |
3668 | rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, uint8_t table_id, | |
1a7c0cd7 JR |
3669 | const struct flow *flow, struct flow_wildcards *wc, |
3670 | bool take_ref) | |
abe529af | 3671 | { |
6d328fa2 | 3672 | struct classifier *cls = &ofproto->up.tables[table_id].cls; |
49a0e0eb | 3673 | const struct cls_rule *cls_rule; |
6d328fa2 | 3674 | struct rule_dpif *rule; |
ad3efdcb | 3675 | |
f5d16e55 | 3676 | do { |
f5d16e55 | 3677 | cls_rule = classifier_lookup(cls, flow, wc); |
f5d16e55 JR |
3678 | |
3679 | rule = rule_dpif_cast(rule_from_cls_rule(cls_rule)); | |
3680 | ||
3681 | /* Try again if the rule was released before we get the reference. */ | |
3682 | } while (rule && take_ref && !rule_dpif_try_ref(rule)); | |
ad3efdcb | 3683 | |
6d328fa2 SH |
3684 | return rule; |
3685 | } | |
3686 | ||
3687 | /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'. | |
34dd0d78 JR |
3688 | * Returns the rule that was found, which may be one of the special rules |
3689 | * according to packet miss hadling. If 'may_packet_in' is false, returning of | |
3690 | * the miss_rule (which issues packet ins for the controller) is avoided. | |
6d328fa2 SH |
3691 | * Updates 'wc', if nonnull, to reflect the fields that were used during the |
3692 | * lookup. | |
3693 | * | |
3694 | * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but | |
3695 | * if none is found then the table miss configuration for that table is | |
3696 | * honored, which can result in additional lookups in other OpenFlow tables. | |
3697 | * In this case the function updates '*table_id' to reflect the final OpenFlow | |
3698 | * table that was searched. | |
3699 | * | |
3700 | * If 'honor_table_miss' is false, then only one table lookup occurs, in | |
3701 | * '*table_id'. | |
3702 | * | |
1a7c0cd7 JR |
3703 | * The rule is returned in '*rule', which is valid at least until the next |
3704 | * RCU quiescent period. If the '*rule' needs to stay around longer, | |
3705 | * a non-zero 'take_ref' must be passed in to cause a reference to be taken | |
34dd0d78 JR |
3706 | * on it before this returns. |
3707 | * | |
3708 | * 'in_port' allows the lookup to take place as if the in port had the value | |
3709 | * 'in_port'. This is needed for resubmit action support. */ | |
3710 | struct rule_dpif * | |
d8227eba | 3711 | rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto, struct flow *flow, |
34dd0d78 JR |
3712 | struct flow_wildcards *wc, bool take_ref, |
3713 | const struct dpif_flow_stats *stats, | |
3714 | uint8_t *table_id, ofp_port_t in_port, | |
3715 | bool may_packet_in, bool honor_table_miss) | |
6d328fa2 | 3716 | { |
d8227eba | 3717 | ovs_be16 old_tp_src = flow->tp_src, old_tp_dst = flow->tp_dst; |
34dd0d78 JR |
3718 | ofp_port_t old_in_port = flow->in_port.ofp_port; |
3719 | enum ofputil_table_miss miss_config; | |
3720 | struct rule_dpif *rule; | |
6d328fa2 SH |
3721 | uint8_t next_id; |
3722 | ||
d8227eba JR |
3723 | /* We always unwildcard nw_frag (for IP), so they |
3724 | * need not be unwildcarded here. */ | |
3725 | if (flow->nw_frag & FLOW_NW_FRAG_ANY | |
3726 | && ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) { | |
3727 | if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) { | |
3728 | /* We must pretend that transport ports are unavailable. */ | |
3729 | flow->tp_src = htons(0); | |
3730 | flow->tp_dst = htons(0); | |
3731 | } else { | |
3732 | /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM). | |
3733 | * Use the drop_frags_rule (which cannot disappear). */ | |
34dd0d78 | 3734 | rule = ofproto->drop_frags_rule; |
d8227eba | 3735 | if (take_ref) { |
34dd0d78 | 3736 | rule_dpif_ref(rule); |
d8227eba JR |
3737 | } |
3738 | if (stats) { | |
3739 | struct oftable *tbl = &ofproto->up.tables[*table_id]; | |
3740 | unsigned long orig; | |
3741 | ||
3742 | atomic_add_relaxed(&tbl->n_matched, stats->n_packets, &orig); | |
3743 | } | |
34dd0d78 | 3744 | return rule; |
d8227eba JR |
3745 | } |
3746 | } | |
3747 | ||
34dd0d78 JR |
3748 | /* Look up a flow with 'in_port' as the input port. Then restore the |
3749 | * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will | |
3750 | * have surprising behavior). */ | |
3751 | flow->in_port.ofp_port = in_port; | |
3752 | ||
3753 | /* Our current implementation depends on n_tables == N_TABLES, and | |
3754 | * TBL_INTERNAL being the last table. */ | |
3755 | BUILD_ASSERT_DECL(N_TABLES == TBL_INTERNAL + 1); | |
3756 | ||
3757 | miss_config = OFPUTIL_TABLE_MISS_CONTINUE; | |
d8227eba | 3758 | |
6d328fa2 SH |
3759 | for (next_id = *table_id; |
3760 | next_id < ofproto->up.n_tables; | |
3761 | next_id++, next_id += (next_id == TBL_INTERNAL)) | |
3762 | { | |
3763 | *table_id = next_id; | |
34dd0d78 | 3764 | rule = rule_dpif_lookup_in_table(ofproto, next_id, flow, wc, take_ref); |
d611866c SH |
3765 | if (stats) { |
3766 | struct oftable *tbl = &ofproto->up.tables[next_id]; | |
d611866c | 3767 | unsigned long orig; |
afcea9ea | 3768 | |
34dd0d78 | 3769 | atomic_add_relaxed(rule ? &tbl->n_matched : &tbl->n_missed, |
afcea9ea | 3770 | stats->n_packets, &orig); |
d611866c | 3771 | } |
34dd0d78 JR |
3772 | if (rule) { |
3773 | goto out; /* Match. */ | |
3774 | } | |
3775 | if (honor_table_miss) { | |
3776 | miss_config = ofproto_table_get_miss_config(&ofproto->up, | |
3777 | *table_id); | |
3778 | if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE) { | |
3779 | continue; | |
3780 | } | |
3781 | } | |
3782 | break; | |
3783 | } | |
3784 | /* Miss. */ | |
3785 | rule = ofproto->no_packet_in_rule; | |
3786 | if (may_packet_in) { | |
3787 | if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE | |
3788 | || miss_config == OFPUTIL_TABLE_MISS_CONTROLLER) { | |
3789 | struct ofport_dpif *port; | |
3790 | ||
3791 | port = get_ofp_port(ofproto, old_in_port); | |
3792 | if (!port) { | |
3793 | VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16, | |
3794 | old_in_port); | |
3795 | } else if (!(port->up.pp.config & OFPUTIL_PC_NO_PACKET_IN)) { | |
3796 | rule = ofproto->miss_rule; | |
6d328fa2 | 3797 | } |
34dd0d78 JR |
3798 | } else if (miss_config == OFPUTIL_TABLE_MISS_DEFAULT && |
3799 | connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) { | |
3800 | rule = ofproto->miss_rule; | |
6d328fa2 SH |
3801 | } |
3802 | } | |
34dd0d78 JR |
3803 | if (take_ref) { |
3804 | rule_dpif_ref(rule); | |
3805 | } | |
d8227eba JR |
3806 | out: |
3807 | /* Restore port numbers, as they may have been modified above. */ | |
3808 | flow->tp_src = old_tp_src; | |
3809 | flow->tp_dst = old_tp_dst; | |
34dd0d78 JR |
3810 | /* Restore the old in port. */ |
3811 | flow->in_port.ofp_port = old_in_port; | |
6d328fa2 | 3812 | |
34dd0d78 | 3813 | return rule; |
a2143702 BP |
3814 | } |
3815 | ||
7ee20df1 BP |
3816 | static void |
3817 | complete_operation(struct rule_dpif *rule) | |
15aaf599 | 3818 | OVS_REQUIRES(ofproto_mutex) |
7ee20df1 BP |
3819 | { |
3820 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); | |
3821 | ||
a1616063 | 3822 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
7ee20df1 BP |
3823 | } |
3824 | ||
70742c7f EJ |
3825 | static struct rule_dpif *rule_dpif_cast(const struct rule *rule) |
3826 | { | |
3827 | return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL; | |
3828 | } | |
3829 | ||
abe529af BP |
3830 | static struct rule * |
3831 | rule_alloc(void) | |
3832 | { | |
3833 | struct rule_dpif *rule = xmalloc(sizeof *rule); | |
3834 | return &rule->up; | |
3835 | } | |
3836 | ||
3837 | static void | |
3838 | rule_dealloc(struct rule *rule_) | |
3839 | { | |
3840 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3841 | free(rule); | |
3842 | } | |
3843 | ||
90bf1e07 | 3844 | static enum ofperr |
abe529af | 3845 | rule_construct(struct rule *rule_) |
dc437090 | 3846 | OVS_NO_THREAD_SAFETY_ANALYSIS |
abe529af BP |
3847 | { |
3848 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
97ba2d36 | 3849 | ovs_mutex_init_adaptive(&rule->stats_mutex); |
1a4ec18d JS |
3850 | rule->stats.n_packets = 0; |
3851 | rule->stats.n_bytes = 0; | |
3852 | rule->stats.used = rule->up.modified; | |
888ac0d7 SH |
3853 | rule->recirc_id = 0; |
3854 | ||
abe529af BP |
3855 | return 0; |
3856 | } | |
3857 | ||
b20f4073 | 3858 | static enum ofperr |
8037acb4 | 3859 | rule_insert(struct rule *rule_) |
15aaf599 | 3860 | OVS_REQUIRES(ofproto_mutex) |
abe529af | 3861 | { |
9fbe253e EJ |
3862 | struct rule_dpif *rule = rule_dpif_cast(rule_); |
3863 | complete_operation(rule); | |
b20f4073 | 3864 | return 0; |
8037acb4 BP |
3865 | } |
3866 | ||
3867 | static void | |
3868 | rule_delete(struct rule *rule_) | |
15aaf599 | 3869 | OVS_REQUIRES(ofproto_mutex) |
8037acb4 BP |
3870 | { |
3871 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3872 | complete_operation(rule); | |
3873 | } | |
3874 | ||
3875 | static void | |
3876 | rule_destruct(struct rule *rule_) | |
3877 | { | |
3878 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
888ac0d7 | 3879 | |
9fbe253e | 3880 | ovs_mutex_destroy(&rule->stats_mutex); |
888ac0d7 SH |
3881 | if (rule->recirc_id) { |
3882 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); | |
3883 | ||
3884 | ofproto_dpif_free_recirc_id(ofproto, rule->recirc_id); | |
3885 | } | |
abe529af BP |
3886 | } |
3887 | ||
3888 | static void | |
dc437090 JR |
3889 | rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes, |
3890 | long long int *used) | |
abe529af BP |
3891 | { |
3892 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
abe529af | 3893 | |
9fbe253e | 3894 | ovs_mutex_lock(&rule->stats_mutex); |
1a4ec18d JS |
3895 | *packets = rule->stats.n_packets; |
3896 | *bytes = rule->stats.n_bytes; | |
3897 | *used = rule->stats.used; | |
9fbe253e | 3898 | ovs_mutex_unlock(&rule->stats_mutex); |
abe529af BP |
3899 | } |
3900 | ||
0a740f48 EJ |
3901 | static void |
3902 | rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow, | |
3903 | struct ofpbuf *packet) | |
abe529af | 3904 | { |
419460f4 AW |
3905 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); |
3906 | ||
3907 | ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet); | |
0a740f48 | 3908 | } |
5bf0e941 | 3909 | |
0a740f48 EJ |
3910 | static enum ofperr |
3911 | rule_execute(struct rule *rule, const struct flow *flow, | |
3912 | struct ofpbuf *packet) | |
3913 | { | |
3914 | rule_dpif_execute(rule_dpif_cast(rule), flow, packet); | |
3915 | ofpbuf_delete(packet); | |
5bf0e941 | 3916 | return 0; |
abe529af BP |
3917 | } |
3918 | ||
7ee20df1 | 3919 | static void |
b277c7cc | 3920 | rule_modify_actions(struct rule *rule_, bool reset_counters) |
15aaf599 | 3921 | OVS_REQUIRES(ofproto_mutex) |
abe529af BP |
3922 | { |
3923 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
7ee20df1 | 3924 | |
b277c7cc BP |
3925 | if (reset_counters) { |
3926 | ovs_mutex_lock(&rule->stats_mutex); | |
1a4ec18d JS |
3927 | rule->stats.n_packets = 0; |
3928 | rule->stats.n_bytes = 0; | |
b277c7cc BP |
3929 | ovs_mutex_unlock(&rule->stats_mutex); |
3930 | } | |
3931 | ||
7ee20df1 | 3932 | complete_operation(rule); |
abe529af | 3933 | } |
00430a3f SH |
3934 | |
3935 | static struct group_dpif *group_dpif_cast(const struct ofgroup *group) | |
3936 | { | |
3937 | return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL; | |
3938 | } | |
3939 | ||
3940 | static struct ofgroup * | |
3941 | group_alloc(void) | |
3942 | { | |
3943 | struct group_dpif *group = xzalloc(sizeof *group); | |
3944 | return &group->up; | |
3945 | } | |
3946 | ||
3947 | static void | |
3948 | group_dealloc(struct ofgroup *group_) | |
3949 | { | |
3950 | struct group_dpif *group = group_dpif_cast(group_); | |
3951 | free(group); | |
3952 | } | |
3953 | ||
3954 | static void | |
3955 | group_construct_stats(struct group_dpif *group) | |
3956 | OVS_REQUIRES(group->stats_mutex) | |
3957 | { | |
1e684d7d RW |
3958 | struct ofputil_bucket *bucket; |
3959 | const struct list *buckets; | |
3960 | ||
00430a3f SH |
3961 | group->packet_count = 0; |
3962 | group->byte_count = 0; | |
1e684d7d RW |
3963 | |
3964 | group_dpif_get_buckets(group, &buckets); | |
3965 | LIST_FOR_EACH (bucket, list_node, buckets) { | |
3966 | bucket->stats.packet_count = 0; | |
3967 | bucket->stats.byte_count = 0; | |
00430a3f SH |
3968 | } |
3969 | } | |
3970 | ||
1e684d7d RW |
3971 | void |
3972 | group_dpif_credit_stats(struct group_dpif *group, | |
3973 | struct ofputil_bucket *bucket, | |
3974 | const struct dpif_flow_stats *stats) | |
3975 | { | |
3976 | ovs_mutex_lock(&group->stats_mutex); | |
3977 | group->packet_count += stats->n_packets; | |
3978 | group->byte_count += stats->n_bytes; | |
3979 | if (bucket) { | |
3980 | bucket->stats.packet_count += stats->n_packets; | |
3981 | bucket->stats.byte_count += stats->n_bytes; | |
3982 | } else { /* Credit to all buckets */ | |
3983 | const struct list *buckets; | |
3984 | ||
3985 | group_dpif_get_buckets(group, &buckets); | |
3986 | LIST_FOR_EACH (bucket, list_node, buckets) { | |
3987 | bucket->stats.packet_count += stats->n_packets; | |
3988 | bucket->stats.byte_count += stats->n_bytes; | |
3989 | } | |
3990 | } | |
3991 | ovs_mutex_unlock(&group->stats_mutex); | |
3992 | } | |
3993 | ||
00430a3f SH |
3994 | static enum ofperr |
3995 | group_construct(struct ofgroup *group_) | |
3996 | { | |
3997 | struct group_dpif *group = group_dpif_cast(group_); | |
5a070238 BP |
3998 | const struct ofputil_bucket *bucket; |
3999 | ||
4000 | /* Prevent group chaining because our locking structure makes it hard to | |
4001 | * implement deadlock-free. (See xlate_group_resource_check().) */ | |
4002 | LIST_FOR_EACH (bucket, list_node, &group->up.buckets) { | |
4003 | const struct ofpact *a; | |
4004 | ||
4005 | OFPACT_FOR_EACH (a, bucket->ofpacts, bucket->ofpacts_len) { | |
4006 | if (a->type == OFPACT_GROUP) { | |
4007 | return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED; | |
4008 | } | |
4009 | } | |
4010 | } | |
4011 | ||
97ba2d36 | 4012 | ovs_mutex_init_adaptive(&group->stats_mutex); |
00430a3f SH |
4013 | ovs_mutex_lock(&group->stats_mutex); |
4014 | group_construct_stats(group); | |
4015 | ovs_mutex_unlock(&group->stats_mutex); | |
4016 | return 0; | |
4017 | } | |
4018 | ||
00430a3f SH |
4019 | static void |
4020 | group_destruct(struct ofgroup *group_) | |
4021 | { | |
4022 | struct group_dpif *group = group_dpif_cast(group_); | |
00430a3f SH |
4023 | ovs_mutex_destroy(&group->stats_mutex); |
4024 | } | |
4025 | ||
4026 | static enum ofperr | |
809c7548 | 4027 | group_modify(struct ofgroup *group_) |
00430a3f | 4028 | { |
4c9dbc0b | 4029 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto); |
00430a3f | 4030 | |
4c9dbc0b BP |
4031 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
4032 | ||
00430a3f SH |
4033 | return 0; |
4034 | } | |
4035 | ||
4036 | static enum ofperr | |
4037 | group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs) | |
4038 | { | |
4039 | struct group_dpif *group = group_dpif_cast(group_); | |
1e684d7d RW |
4040 | struct ofputil_bucket *bucket; |
4041 | const struct list *buckets; | |
4042 | struct bucket_counter *bucket_stats; | |
00430a3f | 4043 | |
00430a3f SH |
4044 | ovs_mutex_lock(&group->stats_mutex); |
4045 | ogs->packet_count = group->packet_count; | |
4046 | ogs->byte_count = group->byte_count; | |
1e684d7d RW |
4047 | |
4048 | group_dpif_get_buckets(group, &buckets); | |
4049 | bucket_stats = ogs->bucket_stats; | |
4050 | LIST_FOR_EACH (bucket, list_node, buckets) { | |
4051 | bucket_stats->packet_count = bucket->stats.packet_count; | |
4052 | bucket_stats->byte_count = bucket->stats.byte_count; | |
4053 | bucket_stats++; | |
4054 | } | |
00430a3f SH |
4055 | ovs_mutex_unlock(&group->stats_mutex); |
4056 | ||
4057 | return 0; | |
4058 | } | |
f4fb341b | 4059 | |
809c7548 RW |
4060 | /* If the group exists, this function increments the groups's reference count. |
4061 | * | |
4062 | * Make sure to call group_dpif_unref() after no longer needing to maintain | |
4063 | * a reference to the group. */ | |
f4fb341b SH |
4064 | bool |
4065 | group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id, | |
4066 | struct group_dpif **group) | |
f4fb341b SH |
4067 | { |
4068 | struct ofgroup *ofgroup; | |
4069 | bool found; | |
4070 | ||
f4fb341b SH |
4071 | found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup); |
4072 | *group = found ? group_dpif_cast(ofgroup) : NULL; | |
4073 | ||
4074 | return found; | |
4075 | } | |
4076 | ||
f4fb341b SH |
4077 | void |
4078 | group_dpif_get_buckets(const struct group_dpif *group, | |
4079 | const struct list **buckets) | |
4080 | { | |
4081 | *buckets = &group->up.buckets; | |
4082 | } | |
4083 | ||
4084 | enum ofp11_group_type | |
4085 | group_dpif_get_type(const struct group_dpif *group) | |
4086 | { | |
4087 | return group->up.type; | |
4088 | } | |
abe529af | 4089 | \f |
97d6520b | 4090 | /* Sends 'packet' out 'ofport'. |
52a90c29 | 4091 | * May modify 'packet'. |
abe529af | 4092 | * Returns 0 if successful, otherwise a positive errno value. */ |
91d6cd12 AW |
4093 | int |
4094 | ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet) | |
abe529af | 4095 | { |
79e15b78 | 4096 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
abe529af BP |
4097 | int error; |
4098 | ||
91d6cd12 | 4099 | error = xlate_send_packet(ofport, packet); |
79e15b78 | 4100 | |
0da3c61b | 4101 | ovs_mutex_lock(&ofproto->stats_mutex); |
79e15b78 | 4102 | ofproto->stats.tx_packets++; |
1f317cb5 | 4103 | ofproto->stats.tx_bytes += ofpbuf_size(packet); |
0da3c61b | 4104 | ovs_mutex_unlock(&ofproto->stats_mutex); |
abe529af BP |
4105 | return error; |
4106 | } | |
9583bc14 | 4107 | \f |
b5cbbcf6 AZ |
4108 | /* Return the version string of the datapath that backs up |
4109 | * this 'ofproto'. | |
4110 | */ | |
4111 | static const char * | |
4112 | get_datapath_version(const struct ofproto *ofproto_) | |
4113 | { | |
4114 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
4115 | ||
4116 | return ofproto->backer->dp_version_string; | |
4117 | } | |
4118 | ||
9583bc14 EJ |
4119 | static bool |
4120 | set_frag_handling(struct ofproto *ofproto_, | |
4121 | enum ofp_config_flags frag_handling) | |
abe529af BP |
4122 | { |
4123 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
7257b535 | 4124 | if (frag_handling != OFPC_FRAG_REASM) { |
2cc3c58e | 4125 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7257b535 BP |
4126 | return true; |
4127 | } else { | |
4128 | return false; | |
4129 | } | |
abe529af BP |
4130 | } |
4131 | ||
90bf1e07 | 4132 | static enum ofperr |
419460f4 | 4133 | packet_out(struct ofproto *ofproto_, struct ofpbuf *packet, |
abe529af | 4134 | const struct flow *flow, |
f25d0cf3 | 4135 | const struct ofpact *ofpacts, size_t ofpacts_len) |
abe529af | 4136 | { |
419460f4 AW |
4137 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
4138 | ||
4139 | ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts, | |
4140 | ofpacts_len, packet); | |
548de4dd | 4141 | return 0; |
abe529af | 4142 | } |
6fca1ffb BP |
4143 | \f |
4144 | /* NetFlow. */ | |
4145 | ||
4146 | static int | |
4147 | set_netflow(struct ofproto *ofproto_, | |
4148 | const struct netflow_options *netflow_options) | |
4149 | { | |
4150 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
4151 | ||
4152 | if (netflow_options) { | |
4153 | if (!ofproto->netflow) { | |
4154 | ofproto->netflow = netflow_create(); | |
7bab1576 | 4155 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6fca1ffb BP |
4156 | } |
4157 | return netflow_set_options(ofproto->netflow, netflow_options); | |
7bab1576 EJ |
4158 | } else if (ofproto->netflow) { |
4159 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
8e407f27 | 4160 | netflow_unref(ofproto->netflow); |
6fca1ffb | 4161 | ofproto->netflow = NULL; |
6fca1ffb | 4162 | } |
7bab1576 EJ |
4163 | |
4164 | return 0; | |
6fca1ffb | 4165 | } |
abe529af BP |
4166 | |
4167 | static void | |
4168 | get_netflow_ids(const struct ofproto *ofproto_, | |
4169 | uint8_t *engine_type, uint8_t *engine_id) | |
4170 | { | |
4171 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
4172 | ||
acf60855 | 4173 | dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id); |
abe529af BP |
4174 | } |
4175 | \f | |
4176 | static struct ofproto_dpif * | |
4177 | ofproto_dpif_lookup(const char *name) | |
4178 | { | |
b44a10b7 BP |
4179 | struct ofproto_dpif *ofproto; |
4180 | ||
4181 | HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node, | |
4182 | hash_string(name, 0), &all_ofproto_dpifs) { | |
4183 | if (!strcmp(ofproto->up.name, name)) { | |
4184 | return ofproto; | |
4185 | } | |
4186 | } | |
4187 | return NULL; | |
abe529af BP |
4188 | } |
4189 | ||
f0a3aa2e | 4190 | static void |
96e466a3 | 4191 | ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc, |
0e15264f | 4192 | const char *argv[], void *aux OVS_UNUSED) |
f0a3aa2e | 4193 | { |
490df1ef | 4194 | struct ofproto_dpif *ofproto; |
f0a3aa2e | 4195 | |
96e466a3 EJ |
4196 | if (argc > 1) { |
4197 | ofproto = ofproto_dpif_lookup(argv[1]); | |
4198 | if (!ofproto) { | |
bde9f75d | 4199 | unixctl_command_reply_error(conn, "no such bridge"); |
96e466a3 EJ |
4200 | return; |
4201 | } | |
509c0149 | 4202 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 4203 | mac_learning_flush(ofproto->ml); |
509c0149 | 4204 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 EJ |
4205 | } else { |
4206 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
509c0149 | 4207 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 4208 | mac_learning_flush(ofproto->ml); |
509c0149 | 4209 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 | 4210 | } |
f0a3aa2e | 4211 | } |
f0a3aa2e | 4212 | |
bde9f75d | 4213 | unixctl_command_reply(conn, "table successfully flushed"); |
f0a3aa2e AA |
4214 | } |
4215 | ||
08fdcc12 FL |
4216 | static void |
4217 | ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn *conn, int argc, | |
4218 | const char *argv[], void *aux OVS_UNUSED) | |
4219 | { | |
4220 | struct ofproto_dpif *ofproto; | |
4221 | ||
4222 | if (argc > 1) { | |
4223 | ofproto = ofproto_dpif_lookup(argv[1]); | |
4224 | if (!ofproto) { | |
4225 | unixctl_command_reply_error(conn, "no such bridge"); | |
4226 | return; | |
4227 | } | |
4228 | ||
4229 | if (!mcast_snooping_enabled(ofproto->ms)) { | |
4230 | unixctl_command_reply_error(conn, "multicast snooping is disabled"); | |
4231 | return; | |
4232 | } | |
4233 | mcast_snooping_mdb_flush(ofproto->ms); | |
4234 | } else { | |
4235 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
4236 | if (!mcast_snooping_enabled(ofproto->ms)) { | |
4237 | continue; | |
4238 | } | |
4239 | mcast_snooping_mdb_flush(ofproto->ms); | |
4240 | } | |
4241 | } | |
4242 | ||
4243 | unixctl_command_reply(conn, "table successfully flushed"); | |
4244 | } | |
4245 | ||
46c88433 EJ |
4246 | static struct ofport_dpif * |
4247 | ofbundle_get_a_port(const struct ofbundle *bundle) | |
4248 | { | |
4249 | return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif, | |
4250 | bundle_node); | |
4251 | } | |
4252 | ||
abe529af | 4253 | static void |
0e15264f BP |
4254 | ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
4255 | const char *argv[], void *aux OVS_UNUSED) | |
abe529af BP |
4256 | { |
4257 | struct ds ds = DS_EMPTY_INITIALIZER; | |
4258 | const struct ofproto_dpif *ofproto; | |
4259 | const struct mac_entry *e; | |
4260 | ||
0e15264f | 4261 | ofproto = ofproto_dpif_lookup(argv[1]); |
abe529af | 4262 | if (!ofproto) { |
bde9f75d | 4263 | unixctl_command_reply_error(conn, "no such bridge"); |
abe529af BP |
4264 | return; |
4265 | } | |
4266 | ||
4267 | ds_put_cstr(&ds, " port VLAN MAC Age\n"); | |
509c0149 | 4268 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
4269 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
4270 | struct ofbundle *bundle = e->port.p; | |
ad28062f BP |
4271 | char name[OFP_MAX_PORT_NAME_LEN]; |
4272 | ||
4273 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
4274 | name, sizeof name); | |
4275 | ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n", | |
4276 | name, e->vlan, ETH_ADDR_ARGS(e->mac), | |
e764773c | 4277 | mac_entry_age(ofproto->ml, e)); |
abe529af | 4278 | } |
509c0149 | 4279 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
bde9f75d | 4280 | unixctl_command_reply(conn, ds_cstr(&ds)); |
abe529af BP |
4281 | ds_destroy(&ds); |
4282 | } | |
4283 | ||
08fdcc12 FL |
4284 | static void |
4285 | ofproto_unixctl_mcast_snooping_show(struct unixctl_conn *conn, | |
4286 | int argc OVS_UNUSED, | |
4287 | const char *argv[], | |
4288 | void *aux OVS_UNUSED) | |
4289 | { | |
4290 | struct ds ds = DS_EMPTY_INITIALIZER; | |
4291 | const struct ofproto_dpif *ofproto; | |
4292 | const struct ofbundle *bundle; | |
4293 | const struct mcast_group *grp; | |
4294 | struct mcast_group_bundle *b; | |
4295 | struct mcast_mrouter_bundle *mrouter; | |
4296 | ||
4297 | ofproto = ofproto_dpif_lookup(argv[1]); | |
4298 | if (!ofproto) { | |
4299 | unixctl_command_reply_error(conn, "no such bridge"); | |
4300 | return; | |
4301 | } | |
4302 | ||
4303 | if (!mcast_snooping_enabled(ofproto->ms)) { | |
4304 | unixctl_command_reply_error(conn, "multicast snooping is disabled"); | |
4305 | return; | |
4306 | } | |
4307 | ||
4308 | ds_put_cstr(&ds, " port VLAN GROUP Age\n"); | |
4309 | ovs_rwlock_rdlock(&ofproto->ms->rwlock); | |
4310 | LIST_FOR_EACH (grp, group_node, &ofproto->ms->group_lru) { | |
4311 | LIST_FOR_EACH(b, bundle_node, &grp->bundle_lru) { | |
4312 | char name[OFP_MAX_PORT_NAME_LEN]; | |
4313 | ||
4314 | bundle = b->port; | |
4315 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
4316 | name, sizeof name); | |
4317 | ds_put_format(&ds, "%5s %4d "IP_FMT" %3d\n", | |
4318 | name, grp->vlan, IP_ARGS(grp->ip4), | |
4319 | mcast_bundle_age(ofproto->ms, b)); | |
4320 | } | |
4321 | } | |
4322 | ||
4323 | /* ports connected to multicast routers */ | |
4324 | LIST_FOR_EACH(mrouter, mrouter_node, &ofproto->ms->mrouter_lru) { | |
4325 | char name[OFP_MAX_PORT_NAME_LEN]; | |
4326 | ||
4327 | bundle = mrouter->port; | |
4328 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
4329 | name, sizeof name); | |
4330 | ds_put_format(&ds, "%5s %4d querier %3d\n", | |
4331 | name, mrouter->vlan, | |
4332 | mcast_mrouter_age(ofproto->ms, mrouter)); | |
4333 | } | |
4334 | ovs_rwlock_unlock(&ofproto->ms->rwlock); | |
4335 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4336 | ds_destroy(&ds); | |
4337 | } | |
4338 | ||
6a6455e5 | 4339 | struct trace_ctx { |
bbafd73b EJ |
4340 | struct xlate_out xout; |
4341 | struct xlate_in xin; | |
ce58df5b | 4342 | const struct flow *key; |
abe529af | 4343 | struct flow flow; |
41a91a0b | 4344 | struct flow_wildcards wc; |
abe529af BP |
4345 | struct ds *result; |
4346 | }; | |
4347 | ||
4348 | static void | |
4d0acc70 | 4349 | trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule) |
abe529af | 4350 | { |
dc723c44 | 4351 | const struct rule_actions *actions; |
15aaf599 BP |
4352 | ovs_be64 cookie; |
4353 | ||
abe529af BP |
4354 | ds_put_char_multiple(result, '\t', level); |
4355 | if (!rule) { | |
4356 | ds_put_cstr(result, "No match\n"); | |
4357 | return; | |
4358 | } | |
4359 | ||
15aaf599 BP |
4360 | ovs_mutex_lock(&rule->up.mutex); |
4361 | cookie = rule->up.flow_cookie; | |
4362 | ovs_mutex_unlock(&rule->up.mutex); | |
4363 | ||
29901626 | 4364 | ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ", |
15aaf599 | 4365 | rule ? rule->up.table_id : 0, ntohll(cookie)); |
79feb7df | 4366 | cls_rule_format(&rule->up.cr, result); |
abe529af BP |
4367 | ds_put_char(result, '\n'); |
4368 | ||
15aaf599 BP |
4369 | actions = rule_dpif_get_actions(rule); |
4370 | ||
abe529af | 4371 | ds_put_char_multiple(result, '\t', level); |
455ecd77 | 4372 | ds_put_cstr(result, "OpenFlow actions="); |
15aaf599 | 4373 | ofpacts_format(actions->ofpacts, actions->ofpacts_len, result); |
abe529af BP |
4374 | ds_put_char(result, '\n'); |
4375 | } | |
4376 | ||
4377 | static void | |
4378 | trace_format_flow(struct ds *result, int level, const char *title, | |
bbafd73b | 4379 | struct trace_ctx *trace) |
abe529af BP |
4380 | { |
4381 | ds_put_char_multiple(result, '\t', level); | |
4382 | ds_put_format(result, "%s: ", title); | |
ce58df5b JR |
4383 | /* Do not report unchanged flows for resubmits. */ |
4384 | if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow)) | |
4385 | || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) { | |
abe529af BP |
4386 | ds_put_cstr(result, "unchanged"); |
4387 | } else { | |
bbafd73b EJ |
4388 | flow_format(result, &trace->xin.flow); |
4389 | trace->flow = trace->xin.flow; | |
abe529af BP |
4390 | } |
4391 | ds_put_char(result, '\n'); | |
4392 | } | |
4393 | ||
eb9e1c26 EJ |
4394 | static void |
4395 | trace_format_regs(struct ds *result, int level, const char *title, | |
6a6455e5 | 4396 | struct trace_ctx *trace) |
eb9e1c26 EJ |
4397 | { |
4398 | size_t i; | |
4399 | ||
4400 | ds_put_char_multiple(result, '\t', level); | |
4401 | ds_put_format(result, "%s:", title); | |
4402 | for (i = 0; i < FLOW_N_REGS; i++) { | |
34582733 | 4403 | ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]); |
eb9e1c26 EJ |
4404 | } |
4405 | ds_put_char(result, '\n'); | |
4406 | } | |
4407 | ||
1ed8d352 EJ |
4408 | static void |
4409 | trace_format_odp(struct ds *result, int level, const char *title, | |
6a6455e5 | 4410 | struct trace_ctx *trace) |
1ed8d352 | 4411 | { |
cc377352 | 4412 | struct ofpbuf *odp_actions = trace->xout.odp_actions; |
1ed8d352 EJ |
4413 | |
4414 | ds_put_char_multiple(result, '\t', level); | |
4415 | ds_put_format(result, "%s: ", title); | |
1f317cb5 PS |
4416 | format_odp_actions(result, ofpbuf_data(odp_actions), |
4417 | ofpbuf_size(odp_actions)); | |
1ed8d352 EJ |
4418 | ds_put_char(result, '\n'); |
4419 | } | |
4420 | ||
41a91a0b AW |
4421 | static void |
4422 | trace_format_megaflow(struct ds *result, int level, const char *title, | |
4423 | struct trace_ctx *trace) | |
4424 | { | |
4425 | struct match match; | |
4426 | ||
4427 | ds_put_char_multiple(result, '\t', level); | |
4428 | ds_put_format(result, "%s: ", title); | |
4429 | flow_wildcards_or(&trace->wc, &trace->xout.wc, &trace->wc); | |
ce58df5b | 4430 | match_init(&match, trace->key, &trace->wc); |
41a91a0b AW |
4431 | match_format(&match, result, OFP_DEFAULT_PRIORITY); |
4432 | ds_put_char(result, '\n'); | |
4433 | } | |
4434 | ||
34dd0d78 JR |
4435 | static void trace_report(struct xlate_in *xin, const char *s, int recurse); |
4436 | ||
abe529af | 4437 | static void |
4d0acc70 | 4438 | trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse) |
abe529af | 4439 | { |
4d0acc70 | 4440 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
abe529af BP |
4441 | struct ds *result = trace->result; |
4442 | ||
34dd0d78 JR |
4443 | if (!recurse) { |
4444 | if (rule == xin->ofproto->miss_rule) { | |
4445 | trace_report(xin, "No match, flow generates \"packet in\"s.", | |
4446 | recurse); | |
4447 | } else if (rule == xin->ofproto->no_packet_in_rule) { | |
4448 | trace_report(xin, "No match, packets dropped because " | |
4449 | "OFPPC_NO_PACKET_IN is set on in_port.", recurse); | |
4450 | } else if (rule == xin->ofproto->drop_frags_rule) { | |
4451 | trace_report(xin, "Packets dropped because they are IP " | |
4452 | "fragments and the fragment handling mode is " | |
4453 | "\"drop\".", recurse); | |
4454 | } | |
4455 | } | |
4456 | ||
abe529af | 4457 | ds_put_char(result, '\n'); |
a8c31348 BP |
4458 | if (recurse) { |
4459 | trace_format_flow(result, recurse, "Resubmitted flow", trace); | |
4460 | trace_format_regs(result, recurse, "Resubmitted regs", trace); | |
4461 | trace_format_odp(result, recurse, "Resubmitted odp", trace); | |
4462 | trace_format_megaflow(result, recurse, "Resubmitted megaflow", trace); | |
4463 | } | |
4464 | trace_format_rule(result, recurse, rule); | |
abe529af BP |
4465 | } |
4466 | ||
479df176 | 4467 | static void |
4d0acc70 | 4468 | trace_report(struct xlate_in *xin, const char *s, int recurse) |
479df176 | 4469 | { |
4d0acc70 | 4470 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
479df176 BP |
4471 | struct ds *result = trace->result; |
4472 | ||
4d0acc70 | 4473 | ds_put_char_multiple(result, '\t', recurse); |
479df176 BP |
4474 | ds_put_cstr(result, s); |
4475 | ds_put_char(result, '\n'); | |
4476 | } | |
4477 | ||
b6f00895 BP |
4478 | /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following |
4479 | * forms are supported: | |
4480 | * | |
4481 | * - [dpname] odp_flow [-generate | packet] | |
4482 | * - bridge br_flow [-generate | packet] | |
4483 | * | |
4484 | * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure | |
316078c7 JR |
4485 | * returns a nonnull malloced error message. */ |
4486 | static char * WARN_UNUSED_RESULT | |
b6f00895 BP |
4487 | parse_flow_and_packet(int argc, const char *argv[], |
4488 | struct ofproto_dpif **ofprotop, struct flow *flow, | |
4489 | struct ofpbuf **packetp) | |
abe529af | 4490 | { |
0a37839c | 4491 | const struct dpif_backer *backer = NULL; |
b6f00895 | 4492 | const char *error = NULL; |
316078c7 | 4493 | char *m_err = NULL; |
b6f00895 | 4494 | struct simap port_names = SIMAP_INITIALIZER(&port_names); |
876b0e1c | 4495 | struct ofpbuf *packet; |
b6f00895 BP |
4496 | struct ofpbuf odp_key; |
4497 | struct ofpbuf odp_mask; | |
abe529af | 4498 | |
50aa28fd | 4499 | ofpbuf_init(&odp_key, 0); |
ea5e3887 | 4500 | ofpbuf_init(&odp_mask, 0); |
abe529af | 4501 | |
50aa28fd AW |
4502 | /* Handle "-generate" or a hex string as the last argument. */ |
4503 | if (!strcmp(argv[argc - 1], "-generate")) { | |
4504 | packet = ofpbuf_new(0); | |
4505 | argc--; | |
4506 | } else { | |
b6f00895 | 4507 | error = eth_from_hex(argv[argc - 1], &packet); |
50aa28fd AW |
4508 | if (!error) { |
4509 | argc--; | |
4510 | } else if (argc == 4) { | |
4511 | /* The 3-argument form must end in "-generate' or a hex string. */ | |
50aa28fd AW |
4512 | goto exit; |
4513 | } | |
316078c7 | 4514 | error = NULL; |
e84173dc | 4515 | } |
876b0e1c | 4516 | |
0a37839c GS |
4517 | /* odp_flow can have its in_port specified as a name instead of port no. |
4518 | * We do not yet know whether a given flow is a odp_flow or a br_flow. | |
4519 | * But, to know whether a flow is odp_flow through odp_flow_from_string(), | |
4520 | * we need to create a simap of name to port no. */ | |
4521 | if (argc == 3) { | |
4522 | const char *dp_type; | |
4523 | if (!strncmp(argv[1], "ovs-", 4)) { | |
4524 | dp_type = argv[1] + 4; | |
4525 | } else { | |
4526 | dp_type = argv[1]; | |
4527 | } | |
4528 | backer = shash_find_data(&all_dpif_backers, dp_type); | |
b6f00895 | 4529 | } else if (argc == 2) { |
0a37839c GS |
4530 | struct shash_node *node; |
4531 | if (shash_count(&all_dpif_backers) == 1) { | |
4532 | node = shash_first(&all_dpif_backers); | |
4533 | backer = node->data; | |
4534 | } | |
b6f00895 BP |
4535 | } else { |
4536 | error = "Syntax error"; | |
4537 | goto exit; | |
0a37839c GS |
4538 | } |
4539 | if (backer && backer->dpif) { | |
4540 | struct dpif_port dpif_port; | |
4541 | struct dpif_port_dump port_dump; | |
4542 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) { | |
4543 | simap_put(&port_names, dpif_port.name, | |
4544 | odp_to_u32(dpif_port.port_no)); | |
4545 | } | |
4546 | } | |
4547 | ||
50aa28fd AW |
4548 | /* Parse the flow and determine whether a datapath or |
4549 | * bridge is specified. If function odp_flow_key_from_string() | |
4550 | * returns 0, the flow is a odp_flow. If function | |
316078c7 | 4551 | * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */ |
b6f00895 BP |
4552 | if (!odp_flow_from_string(argv[argc - 1], &port_names, |
4553 | &odp_key, &odp_mask)) { | |
0a37839c | 4554 | if (!backer) { |
b6f00895 | 4555 | error = "Cannot find the datapath"; |
0a37839c | 4556 | goto exit; |
876b0e1c | 4557 | } |
8b3b8dd1 | 4558 | |
cc377352 EJ |
4559 | if (odp_flow_key_to_flow(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key), |
4560 | flow) == ODP_FIT_ERROR) { | |
4561 | error = "Failed to parse flow key"; | |
4562 | goto exit; | |
4563 | } | |
4564 | ||
ef377a58 JR |
4565 | *ofprotop = xlate_lookup_ofproto(backer, flow, |
4566 | &flow->in_port.ofp_port); | |
4567 | if (*ofprotop == NULL) { | |
b6f00895 | 4568 | error = "Invalid datapath flow"; |
50aa28fd | 4569 | goto exit; |
8b3b8dd1 | 4570 | } |
cc377352 EJ |
4571 | |
4572 | vsp_adjust_flow(*ofprotop, flow, NULL); | |
4573 | ||
316078c7 JR |
4574 | } else { |
4575 | char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL); | |
876b0e1c | 4576 | |
316078c7 JR |
4577 | if (err) { |
4578 | m_err = xasprintf("Bad flow syntax: %s", err); | |
4579 | free(err); | |
50aa28fd | 4580 | goto exit; |
316078c7 JR |
4581 | } else { |
4582 | if (argc != 3) { | |
4583 | error = "Must specify bridge name"; | |
4584 | goto exit; | |
4585 | } | |
4586 | ||
4587 | *ofprotop = ofproto_dpif_lookup(argv[1]); | |
4588 | if (!*ofprotop) { | |
4589 | error = "Unknown bridge name"; | |
4590 | goto exit; | |
4591 | } | |
50aa28fd | 4592 | } |
abe529af BP |
4593 | } |
4594 | ||
50aa28fd AW |
4595 | /* Generate a packet, if requested. */ |
4596 | if (packet) { | |
1f317cb5 | 4597 | if (!ofpbuf_size(packet)) { |
b6f00895 | 4598 | flow_compose(packet, flow); |
50aa28fd | 4599 | } else { |
fc3431c6 | 4600 | struct pkt_metadata md = pkt_metadata_from_flow(flow); |
50aa28fd AW |
4601 | |
4602 | /* Use the metadata from the flow and the packet argument | |
4603 | * to reconstruct the flow. */ | |
b5e7e61a | 4604 | flow_extract(packet, &md, flow); |
50aa28fd AW |
4605 | } |
4606 | } | |
4607 | ||
6a6455e5 | 4608 | exit: |
316078c7 JR |
4609 | if (error && !m_err) { |
4610 | m_err = xstrdup(error); | |
4611 | } | |
4612 | if (m_err) { | |
b6f00895 BP |
4613 | ofpbuf_delete(packet); |
4614 | packet = NULL; | |
4615 | } | |
4616 | *packetp = packet; | |
6a6455e5 | 4617 | ofpbuf_uninit(&odp_key); |
ea5e3887 | 4618 | ofpbuf_uninit(&odp_mask); |
0a37839c | 4619 | simap_destroy(&port_names); |
316078c7 | 4620 | return m_err; |
b6f00895 BP |
4621 | } |
4622 | ||
4623 | static void | |
4624 | ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[], | |
4625 | void *aux OVS_UNUSED) | |
4626 | { | |
4627 | struct ofproto_dpif *ofproto; | |
4628 | struct ofpbuf *packet; | |
316078c7 | 4629 | char *error; |
b6f00895 BP |
4630 | struct flow flow; |
4631 | ||
4632 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
4633 | if (!error) { | |
4634 | struct ds result; | |
4635 | ||
4636 | ds_init(&result); | |
aee0979b | 4637 | ofproto_trace(ofproto, &flow, packet, NULL, 0, &result); |
b6f00895 BP |
4638 | unixctl_command_reply(conn, ds_cstr(&result)); |
4639 | ds_destroy(&result); | |
4640 | ofpbuf_delete(packet); | |
4641 | } else { | |
4642 | unixctl_command_reply_error(conn, error); | |
316078c7 | 4643 | free(error); |
b6f00895 | 4644 | } |
6a6455e5 EJ |
4645 | } |
4646 | ||
aee0979b BP |
4647 | static void |
4648 | ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc, | |
4649 | const char *argv[], void *aux OVS_UNUSED) | |
4650 | { | |
4651 | enum ofputil_protocol usable_protocols; | |
4652 | struct ofproto_dpif *ofproto; | |
4653 | bool enforce_consistency; | |
4654 | struct ofpbuf ofpacts; | |
4655 | struct ofpbuf *packet; | |
4656 | struct ds result; | |
4657 | struct flow flow; | |
4658 | uint16_t in_port; | |
4659 | ||
4660 | /* Three kinds of error return values! */ | |
4661 | enum ofperr retval; | |
316078c7 | 4662 | char *error; |
aee0979b BP |
4663 | |
4664 | packet = NULL; | |
4665 | ds_init(&result); | |
4666 | ofpbuf_init(&ofpacts, 0); | |
4667 | ||
4668 | /* Parse actions. */ | |
c2d936a4 | 4669 | error = ofpacts_parse_actions(argv[--argc], &ofpacts, &usable_protocols); |
316078c7 JR |
4670 | if (error) { |
4671 | unixctl_command_reply_error(conn, error); | |
4672 | free(error); | |
aee0979b BP |
4673 | goto exit; |
4674 | } | |
4675 | ||
4676 | /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of | |
ba2fe8e9 BP |
4677 | * consistency between the flow and the actions. With -consistent, we |
4678 | * enforce consistency even for a flow supported in OpenFlow 1.0. */ | |
aee0979b BP |
4679 | if (!strcmp(argv[1], "-consistent")) { |
4680 | enforce_consistency = true; | |
4681 | argv++; | |
4682 | argc--; | |
ba2fe8e9 BP |
4683 | } else { |
4684 | enforce_consistency = false; | |
aee0979b BP |
4685 | } |
4686 | ||
4687 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
4688 | if (error) { | |
4689 | unixctl_command_reply_error(conn, error); | |
316078c7 | 4690 | free(error); |
aee0979b BP |
4691 | goto exit; |
4692 | } | |
4693 | ||
4694 | /* Do the same checks as handle_packet_out() in ofproto.c. | |
4695 | * | |
b8778a0d | 4696 | * We pass a 'table_id' of 0 to ofpacts_check(), which isn't |
aee0979b BP |
4697 | * strictly correct because these actions aren't in any table, but it's OK |
4698 | * because it 'table_id' is used only to check goto_table instructions, but | |
4699 | * packet-outs take a list of actions and therefore it can't include | |
4700 | * instructions. | |
4701 | * | |
4702 | * We skip the "meter" check here because meter is an instruction, not an | |
4703 | * action, and thus cannot appear in ofpacts. */ | |
4704 | in_port = ofp_to_u16(flow.in_port.ofp_port); | |
4705 | if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) { | |
4706 | unixctl_command_reply_error(conn, "invalid in_port"); | |
4707 | goto exit; | |
4708 | } | |
ba2fe8e9 | 4709 | if (enforce_consistency) { |
1f317cb5 PS |
4710 | retval = ofpacts_check_consistency(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), |
4711 | &flow, u16_to_ofp(ofproto->up.max_ports), | |
ba2fe8e9 BP |
4712 | 0, 0, usable_protocols); |
4713 | } else { | |
1f317cb5 | 4714 | retval = ofpacts_check(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &flow, |
ba2fe8e9 BP |
4715 | u16_to_ofp(ofproto->up.max_ports), 0, 0, |
4716 | &usable_protocols); | |
4717 | } | |
4718 | ||
aee0979b BP |
4719 | if (retval) { |
4720 | ds_clear(&result); | |
4721 | ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval)); | |
4722 | unixctl_command_reply_error(conn, ds_cstr(&result)); | |
4723 | goto exit; | |
4724 | } | |
4725 | ||
1f317cb5 PS |
4726 | ofproto_trace(ofproto, &flow, packet, |
4727 | ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &result); | |
aee0979b BP |
4728 | unixctl_command_reply(conn, ds_cstr(&result)); |
4729 | ||
4730 | exit: | |
4731 | ds_destroy(&result); | |
4732 | ofpbuf_delete(packet); | |
4733 | ofpbuf_uninit(&ofpacts); | |
4734 | } | |
4735 | ||
4736 | /* Implements a "trace" through 'ofproto''s flow table, appending a textual | |
4737 | * description of the results to 'ds'. | |
4738 | * | |
4739 | * The trace follows a packet with the specified 'flow' through the flow | |
4740 | * table. 'packet' may be nonnull to trace an actual packet, with consequent | |
4741 | * side effects (if it is nonnull then its flow must be 'flow'). | |
4742 | * | |
4743 | * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to | |
4744 | * trace, otherwise the actions are determined by a flow table lookup. */ | |
ade6ad9c | 4745 | static void |
adcf00ba | 4746 | ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow, |
aee0979b BP |
4747 | const struct ofpbuf *packet, |
4748 | const struct ofpact ofpacts[], size_t ofpacts_len, | |
4749 | struct ds *ds) | |
6a6455e5 | 4750 | { |
41a91a0b | 4751 | struct trace_ctx trace; |
6a6455e5 | 4752 | |
aee0979b | 4753 | ds_put_format(ds, "Bridge: %s\n", ofproto->up.name); |
6a6455e5 EJ |
4754 | ds_put_cstr(ds, "Flow: "); |
4755 | flow_format(ds, flow); | |
4756 | ds_put_char(ds, '\n'); | |
abe529af | 4757 | |
41a91a0b | 4758 | flow_wildcards_init_catchall(&trace.wc); |
c57b2226 | 4759 | |
a8c31348 BP |
4760 | trace.result = ds; |
4761 | trace.key = flow; /* Original flow key, used for megaflow. */ | |
4762 | trace.flow = *flow; /* May be modified by actions. */ | |
4763 | xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, NULL, | |
4764 | ntohs(flow->tcp_flags), packet); | |
4765 | trace.xin.ofpacts = ofpacts; | |
4766 | trace.xin.ofpacts_len = ofpacts_len; | |
4767 | trace.xin.resubmit_hook = trace_resubmit; | |
4768 | trace.xin.report_hook = trace_report; | |
bcd2633a | 4769 | |
a8c31348 | 4770 | xlate_actions(&trace.xin, &trace.xout); |
abe529af | 4771 | |
a8c31348 BP |
4772 | ds_put_char(ds, '\n'); |
4773 | trace_format_flow(ds, 0, "Final flow", &trace); | |
4774 | trace_format_megaflow(ds, 0, "Megaflow", &trace); | |
bcd2633a | 4775 | |
a8c31348 BP |
4776 | ds_put_cstr(ds, "Datapath actions: "); |
4777 | format_odp_actions(ds, ofpbuf_data(trace.xout.odp_actions), | |
4778 | ofpbuf_size(trace.xout.odp_actions)); | |
876b0e1c | 4779 | |
a8c31348 BP |
4780 | if (trace.xout.slow) { |
4781 | enum slow_path_reason slow; | |
04594cd5 | 4782 | |
a8c31348 BP |
4783 | ds_put_cstr(ds, "\nThis flow is handled by the userspace " |
4784 | "slow path because it:"); | |
04594cd5 | 4785 | |
a8c31348 BP |
4786 | slow = trace.xout.slow; |
4787 | while (slow) { | |
4788 | enum slow_path_reason bit = rightmost_1bit(slow); | |
04594cd5 | 4789 | |
a8c31348 BP |
4790 | ds_put_format(ds, "\n\t- %s.", |
4791 | slow_path_reason_to_explanation(bit)); | |
04594cd5 | 4792 | |
a8c31348 | 4793 | slow &= ~bit; |
876b0e1c | 4794 | } |
abe529af | 4795 | } |
a8c31348 BP |
4796 | |
4797 | xlate_out_uninit(&trace.xout); | |
abe529af BP |
4798 | } |
4799 | ||
27022416 JP |
4800 | /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list |
4801 | * of the 'ofproto_shash' nodes. It is the responsibility of the caller | |
4802 | * to destroy 'ofproto_shash' and free the returned value. */ | |
4803 | static const struct shash_node ** | |
4804 | get_ofprotos(struct shash *ofproto_shash) | |
4805 | { | |
4806 | const struct ofproto_dpif *ofproto; | |
4807 | ||
4808 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
4809 | char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name); | |
4810 | shash_add_nocopy(ofproto_shash, name, ofproto); | |
4811 | } | |
4812 | ||
4813 | return shash_sort(ofproto_shash); | |
4814 | } | |
4815 | ||
4816 | static void | |
4817 | ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4818 | const char *argv[] OVS_UNUSED, | |
4819 | void *aux OVS_UNUSED) | |
4820 | { | |
4821 | struct ds ds = DS_EMPTY_INITIALIZER; | |
4822 | struct shash ofproto_shash; | |
4823 | const struct shash_node **sorted_ofprotos; | |
4824 | int i; | |
4825 | ||
4826 | shash_init(&ofproto_shash); | |
4827 | sorted_ofprotos = get_ofprotos(&ofproto_shash); | |
4828 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
4829 | const struct shash_node *node = sorted_ofprotos[i]; | |
4830 | ds_put_format(&ds, "%s\n", node->name); | |
4831 | } | |
4832 | ||
4833 | shash_destroy(&ofproto_shash); | |
4834 | free(sorted_ofprotos); | |
4835 | ||
4836 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4837 | ds_destroy(&ds); | |
4838 | } | |
4839 | ||
dc54ef36 EJ |
4840 | static void |
4841 | dpif_show_backer(const struct dpif_backer *backer, struct ds *ds) | |
27022416 | 4842 | { |
dc54ef36 | 4843 | const struct shash_node **ofprotos; |
e79a6c83 | 4844 | struct dpif_dp_stats dp_stats; |
dc54ef36 | 4845 | struct shash ofproto_shash; |
09672174 | 4846 | size_t i; |
655ab909 | 4847 | |
e79a6c83 | 4848 | dpif_get_dp_stats(backer->dpif, &dp_stats); |
655ab909 | 4849 | |
dc54ef36 | 4850 | ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n", |
e79a6c83 | 4851 | dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed); |
dc54ef36 | 4852 | |
dc54ef36 EJ |
4853 | shash_init(&ofproto_shash); |
4854 | ofprotos = get_ofprotos(&ofproto_shash); | |
4855 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
4856 | struct ofproto_dpif *ofproto = ofprotos[i]->data; | |
4857 | const struct shash_node **ports; | |
4858 | size_t j; | |
0a740f48 | 4859 | |
dc54ef36 EJ |
4860 | if (ofproto->backer != backer) { |
4861 | continue; | |
0a740f48 | 4862 | } |
27022416 | 4863 | |
e79a6c83 | 4864 | ds_put_format(ds, "\t%s:\n", ofproto->up.name); |
dc54ef36 EJ |
4865 | |
4866 | ports = shash_sort(&ofproto->up.port_by_name); | |
4867 | for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) { | |
4868 | const struct shash_node *node = ports[j]; | |
4869 | struct ofport *ofport = node->data; | |
4870 | struct smap config; | |
4e022ec0 | 4871 | odp_port_t odp_port; |
27022416 | 4872 | |
dc54ef36 EJ |
4873 | ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev), |
4874 | ofport->ofp_port); | |
27022416 | 4875 | |
dc54ef36 | 4876 | odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port); |
4e022ec0 | 4877 | if (odp_port != ODPP_NONE) { |
dc54ef36 EJ |
4878 | ds_put_format(ds, "%"PRIu32":", odp_port); |
4879 | } else { | |
4880 | ds_put_cstr(ds, "none:"); | |
4881 | } | |
27022416 | 4882 | |
dc54ef36 | 4883 | ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev)); |
27022416 | 4884 | |
dc54ef36 EJ |
4885 | smap_init(&config); |
4886 | if (!netdev_get_config(ofport->netdev, &config)) { | |
4887 | const struct smap_node **nodes; | |
4888 | size_t i; | |
27022416 | 4889 | |
dc54ef36 EJ |
4890 | nodes = smap_sort(&config); |
4891 | for (i = 0; i < smap_count(&config); i++) { | |
4892 | const struct smap_node *node = nodes[i]; | |
4893 | ds_put_format(ds, "%c %s=%s", i ? ',' : ':', | |
4894 | node->key, node->value); | |
4895 | } | |
4896 | free(nodes); | |
27022416 | 4897 | } |
dc54ef36 EJ |
4898 | smap_destroy(&config); |
4899 | ||
27022416 | 4900 | ds_put_char(ds, ')'); |
dc54ef36 | 4901 | ds_put_char(ds, '\n'); |
27022416 | 4902 | } |
dc54ef36 | 4903 | free(ports); |
27022416 | 4904 | } |
dc54ef36 EJ |
4905 | shash_destroy(&ofproto_shash); |
4906 | free(ofprotos); | |
27022416 JP |
4907 | } |
4908 | ||
4909 | static void | |
dc54ef36 EJ |
4910 | ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
4911 | const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED) | |
27022416 JP |
4912 | { |
4913 | struct ds ds = DS_EMPTY_INITIALIZER; | |
dc54ef36 EJ |
4914 | const struct shash_node **backers; |
4915 | int i; | |
27022416 | 4916 | |
dc54ef36 EJ |
4917 | backers = shash_sort(&all_dpif_backers); |
4918 | for (i = 0; i < shash_count(&all_dpif_backers); i++) { | |
4919 | dpif_show_backer(backers[i]->data, &ds); | |
27022416 | 4920 | } |
dc54ef36 | 4921 | free(backers); |
27022416 JP |
4922 | |
4923 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4924 | ds_destroy(&ds); | |
4925 | } | |
4926 | ||
4927 | static void | |
4928 | ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn, | |
4929 | int argc OVS_UNUSED, const char *argv[], | |
4930 | void *aux OVS_UNUSED) | |
4931 | { | |
27022416 | 4932 | const struct ofproto_dpif *ofproto; |
ac64794a BP |
4933 | |
4934 | struct ds ds = DS_EMPTY_INITIALIZER; | |
04b541df | 4935 | bool verbosity = false; |
ac64794a | 4936 | |
04b541df GS |
4937 | struct dpif_port dpif_port; |
4938 | struct dpif_port_dump port_dump; | |
4939 | struct hmap portno_names; | |
ac64794a BP |
4940 | |
4941 | struct dpif_flow_dump *flow_dump; | |
4942 | struct dpif_flow_dump_thread *flow_dump_thread; | |
4943 | struct dpif_flow f; | |
938eaa50 | 4944 | int error; |
27022416 | 4945 | |
04b541df | 4946 | ofproto = ofproto_dpif_lookup(argv[argc - 1]); |
27022416 JP |
4947 | if (!ofproto) { |
4948 | unixctl_command_reply_error(conn, "no such bridge"); | |
4949 | return; | |
4950 | } | |
4951 | ||
04b541df GS |
4952 | if (argc > 2 && !strcmp(argv[1], "-m")) { |
4953 | verbosity = true; | |
4954 | } | |
4955 | ||
4956 | hmap_init(&portno_names); | |
4957 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) { | |
4958 | odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name); | |
4959 | } | |
4960 | ||
1b849273 | 4961 | ds_init(&ds); |
ac64794a BP |
4962 | flow_dump = dpif_flow_dump_create(ofproto->backer->dpif); |
4963 | flow_dump_thread = dpif_flow_dump_thread_create(flow_dump); | |
4964 | while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) { | |
ef377a58 JR |
4965 | struct flow flow; |
4966 | ||
4967 | if (odp_flow_key_to_flow(f.key, f.key_len, &flow) == ODP_FIT_ERROR | |
4968 | || xlate_lookup_ofproto(ofproto->backer, &flow, NULL) != ofproto) { | |
04d08d54 EJ |
4969 | continue; |
4970 | } | |
4971 | ||
ac64794a BP |
4972 | odp_flow_format(f.key, f.key_len, f.mask, f.mask_len, |
4973 | &portno_names, &ds, verbosity); | |
1b849273 | 4974 | ds_put_cstr(&ds, ", "); |
ac64794a | 4975 | dpif_flow_stats_format(&f.stats, &ds); |
27022416 | 4976 | ds_put_cstr(&ds, ", actions:"); |
ac64794a | 4977 | format_odp_actions(&ds, f.actions, f.actions_len); |
27022416 JP |
4978 | ds_put_char(&ds, '\n'); |
4979 | } | |
ac64794a BP |
4980 | dpif_flow_dump_thread_destroy(flow_dump_thread); |
4981 | error = dpif_flow_dump_destroy(flow_dump); | |
27022416 | 4982 | |
938eaa50 | 4983 | if (error) { |
1b849273 JS |
4984 | ds_clear(&ds); |
4985 | ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno)); | |
4986 | unixctl_command_reply_error(conn, ds_cstr(&ds)); | |
4987 | } else { | |
4988 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4989 | } | |
04b541df GS |
4990 | odp_portno_names_destroy(&portno_names); |
4991 | hmap_destroy(&portno_names); | |
27022416 JP |
4992 | ds_destroy(&ds); |
4993 | } | |
4994 | ||
abe529af | 4995 | static void |
a36de779 PS |
4996 | ofproto_revalidate_all_backers(void) |
4997 | { | |
4998 | const struct shash_node **backers; | |
4999 | int i; | |
5000 | ||
5001 | backers = shash_sort(&all_dpif_backers); | |
5002 | for (i = 0; i < shash_count(&all_dpif_backers); i++) { | |
5003 | struct dpif_backer *backer = backers[i]->data; | |
5004 | backer->need_revalidate = REV_RECONFIGURE; | |
5005 | } | |
5006 | free(backers); | |
5007 | } | |
5008 | ||
5009 | static void | |
5010 | disable_tnl_push_pop(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED, | |
5011 | const char *argv[], void *aux OVS_UNUSED) | |
5012 | { | |
5013 | if (!strcasecmp(argv[1], "off")) { | |
5014 | ofproto_use_tnl_push_pop = false; | |
5015 | unixctl_command_reply(conn, "Tunnel push-pop off"); | |
5016 | ofproto_revalidate_all_backers(); | |
5017 | } else if (!strcasecmp(argv[1], "on")) { | |
5018 | ofproto_use_tnl_push_pop = true; | |
5019 | unixctl_command_reply(conn, "Tunnel push-pop on"); | |
5020 | ofproto_revalidate_all_backers(); | |
5021 | } | |
5022 | } | |
5023 | ||
5024 | static void | |
5025 | ofproto_unixctl_init(void) | |
abe529af BP |
5026 | { |
5027 | static bool registered; | |
5028 | if (registered) { | |
5029 | return; | |
5030 | } | |
5031 | registered = true; | |
5032 | ||
0e15264f BP |
5033 | unixctl_command_register( |
5034 | "ofproto/trace", | |
dc8ce81f | 5035 | "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]", |
50aa28fd | 5036 | 1, 3, ofproto_unixctl_trace, NULL); |
aee0979b BP |
5037 | unixctl_command_register( |
5038 | "ofproto/trace-packet-out", | |
5039 | "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions", | |
5040 | 2, 6, ofproto_unixctl_trace_actions, NULL); | |
96e466a3 | 5041 | unixctl_command_register("fdb/flush", "[bridge]", 0, 1, |
0e15264f BP |
5042 | ofproto_unixctl_fdb_flush, NULL); |
5043 | unixctl_command_register("fdb/show", "bridge", 1, 1, | |
5044 | ofproto_unixctl_fdb_show, NULL); | |
08fdcc12 FL |
5045 | unixctl_command_register("mdb/flush", "[bridge]", 0, 1, |
5046 | ofproto_unixctl_mcast_snooping_flush, NULL); | |
5047 | unixctl_command_register("mdb/show", "bridge", 1, 1, | |
5048 | ofproto_unixctl_mcast_snooping_show, NULL); | |
27022416 JP |
5049 | unixctl_command_register("dpif/dump-dps", "", 0, 0, |
5050 | ofproto_unixctl_dpif_dump_dps, NULL); | |
dc54ef36 EJ |
5051 | unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show, |
5052 | NULL); | |
04b541df | 5053 | unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2, |
27022416 | 5054 | ofproto_unixctl_dpif_dump_flows, NULL); |
a36de779 PS |
5055 | |
5056 | unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1, | |
5057 | disable_tnl_push_pop, NULL); | |
abe529af | 5058 | } |
32260212 | 5059 | |
56c091ec SH |
5060 | /* Returns true if 'table' is the table used for internal rules, |
5061 | * false otherwise. */ | |
5062 | bool | |
5063 | table_is_internal(uint8_t table_id) | |
5064 | { | |
5065 | return table_id == TBL_INTERNAL; | |
5066 | } | |
abe529af | 5067 | \f |
52a90c29 BP |
5068 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
5069 | * | |
5070 | * This is deprecated. It is only for compatibility with broken device drivers | |
5071 | * in old versions of Linux that do not properly support VLANs when VLAN | |
5072 | * devices are not used. When broken device drivers are no longer in | |
5073 | * widespread use, we will delete these interfaces. */ | |
5074 | ||
5075 | static int | |
4e022ec0 | 5076 | set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
5077 | { |
5078 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
5079 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
5080 | ||
5081 | if (realdev_ofp_port == ofport->realdev_ofp_port | |
5082 | && vid == ofport->vlandev_vid) { | |
5083 | return 0; | |
5084 | } | |
5085 | ||
2cc3c58e | 5086 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
52a90c29 BP |
5087 | |
5088 | if (ofport->realdev_ofp_port) { | |
5089 | vsp_remove(ofport); | |
5090 | } | |
5091 | if (realdev_ofp_port && ofport->bundle) { | |
5092 | /* vlandevs are enslaved to their realdevs, so they are not allowed to | |
5093 | * themselves be part of a bundle. */ | |
adcf00ba | 5094 | bundle_set(ofport_->ofproto, ofport->bundle, NULL); |
52a90c29 BP |
5095 | } |
5096 | ||
5097 | ofport->realdev_ofp_port = realdev_ofp_port; | |
5098 | ofport->vlandev_vid = vid; | |
5099 | ||
5100 | if (realdev_ofp_port) { | |
5101 | vsp_add(ofport, realdev_ofp_port, vid); | |
5102 | } | |
5103 | ||
5104 | return 0; | |
5105 | } | |
5106 | ||
5107 | static uint32_t | |
4e022ec0 | 5108 | hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid) |
52a90c29 | 5109 | { |
4e022ec0 | 5110 | return hash_2words(ofp_to_u16(realdev_ofp_port), vid); |
52a90c29 BP |
5111 | } |
5112 | ||
46c88433 EJ |
5113 | bool |
5114 | ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto) | |
13501305 | 5115 | OVS_EXCLUDED(ofproto->vsp_mutex) |
46c88433 | 5116 | { |
7614e5d0 JR |
5117 | /* hmap_is_empty is thread safe. */ |
5118 | return !hmap_is_empty(&ofproto->realdev_vid_map); | |
46c88433 EJ |
5119 | } |
5120 | ||
f5374617 | 5121 | |
13501305 EJ |
5122 | static ofp_port_t |
5123 | vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto, | |
5124 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
5125 | OVS_REQUIRES(ofproto->vsp_mutex) | |
52a90c29 BP |
5126 | { |
5127 | if (!hmap_is_empty(&ofproto->realdev_vid_map)) { | |
52a90c29 BP |
5128 | int vid = vlan_tci_to_vid(vlan_tci); |
5129 | const struct vlan_splinter *vsp; | |
5130 | ||
5131 | HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node, | |
5132 | hash_realdev_vid(realdev_ofp_port, vid), | |
5133 | &ofproto->realdev_vid_map) { | |
5134 | if (vsp->realdev_ofp_port == realdev_ofp_port | |
5135 | && vsp->vid == vid) { | |
deea1200 | 5136 | return vsp->vlandev_ofp_port; |
52a90c29 BP |
5137 | } |
5138 | } | |
5139 | } | |
deea1200 | 5140 | return realdev_ofp_port; |
52a90c29 BP |
5141 | } |
5142 | ||
13501305 EJ |
5143 | /* Returns the OFP port number of the Linux VLAN device that corresponds to |
5144 | * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in | |
5145 | * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and | |
5146 | * 'vlan_tci' 9, it would return the port number of eth0.9. | |
5147 | * | |
5148 | * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this | |
5149 | * function just returns its 'realdev_ofp_port' argument. */ | |
5150 | ofp_port_t | |
5151 | vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto, | |
5152 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
5153 | OVS_EXCLUDED(ofproto->vsp_mutex) | |
5154 | { | |
5155 | ofp_port_t ret; | |
5156 | ||
7614e5d0 JR |
5157 | /* hmap_is_empty is thread safe, see if we can return immediately. */ |
5158 | if (hmap_is_empty(&ofproto->realdev_vid_map)) { | |
5159 | return realdev_ofp_port; | |
5160 | } | |
13501305 EJ |
5161 | ovs_mutex_lock(&ofproto->vsp_mutex); |
5162 | ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci); | |
5163 | ovs_mutex_unlock(&ofproto->vsp_mutex); | |
5164 | return ret; | |
5165 | } | |
5166 | ||
52a90c29 | 5167 | static struct vlan_splinter * |
4e022ec0 | 5168 | vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port) |
52a90c29 BP |
5169 | { |
5170 | struct vlan_splinter *vsp; | |
5171 | ||
4e022ec0 | 5172 | HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node, |
f9c0c3ec | 5173 | hash_ofp_port(vlandev_ofp_port), |
52a90c29 BP |
5174 | &ofproto->vlandev_map) { |
5175 | if (vsp->vlandev_ofp_port == vlandev_ofp_port) { | |
5176 | return vsp; | |
5177 | } | |
5178 | } | |
5179 | ||
5180 | return NULL; | |
5181 | } | |
5182 | ||
40e05935 BP |
5183 | /* Returns the OpenFlow port number of the "real" device underlying the Linux |
5184 | * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the | |
5185 | * VLAN VID of the Linux VLAN device in '*vid'. For example, given | |
5186 | * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of | |
5187 | * eth0 and store 9 in '*vid'. | |
5188 | * | |
5189 | * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux | |
5190 | * VLAN device. Unless VLAN splinters are enabled, this is what this function | |
5191 | * always does.*/ | |
4e022ec0 | 5192 | static ofp_port_t |
52a90c29 | 5193 | vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto, |
4e022ec0 | 5194 | ofp_port_t vlandev_ofp_port, int *vid) |
bd3950dd | 5195 | OVS_REQUIRES(ofproto->vsp_mutex) |
52a90c29 BP |
5196 | { |
5197 | if (!hmap_is_empty(&ofproto->vlandev_map)) { | |
5198 | const struct vlan_splinter *vsp; | |
5199 | ||
5200 | vsp = vlandev_find(ofproto, vlandev_ofp_port); | |
5201 | if (vsp) { | |
5202 | if (vid) { | |
5203 | *vid = vsp->vid; | |
5204 | } | |
5205 | return vsp->realdev_ofp_port; | |
5206 | } | |
5207 | } | |
5208 | return 0; | |
5209 | } | |
5210 | ||
b98d8985 BP |
5211 | /* Given 'flow', a flow representing a packet received on 'ofproto', checks |
5212 | * whether 'flow->in_port' represents a Linux VLAN device. If so, changes | |
5213 | * 'flow->in_port' to the "real" device backing the VLAN device, sets | |
cc377352 EJ |
5214 | * 'flow->vlan_tci' to the VLAN VID, and returns true. Optionally pushes the |
5215 | * appropriate VLAN on 'packet' if provided. Otherwise (which is always the | |
5216 | * case unless VLAN splinters are enabled), returns false without making any | |
5217 | * changes. */ | |
8449c4d6 | 5218 | bool |
cc377352 EJ |
5219 | vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow, |
5220 | struct ofpbuf *packet) | |
13501305 | 5221 | OVS_EXCLUDED(ofproto->vsp_mutex) |
b98d8985 | 5222 | { |
4e022ec0 | 5223 | ofp_port_t realdev; |
b98d8985 BP |
5224 | int vid; |
5225 | ||
7614e5d0 JR |
5226 | /* hmap_is_empty is thread safe. */ |
5227 | if (hmap_is_empty(&ofproto->vlandev_map)) { | |
5228 | return false; | |
5229 | } | |
5230 | ||
13501305 | 5231 | ovs_mutex_lock(&ofproto->vsp_mutex); |
4e022ec0 | 5232 | realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid); |
13501305 | 5233 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
b98d8985 BP |
5234 | if (!realdev) { |
5235 | return false; | |
5236 | } | |
5237 | ||
5238 | /* Cause the flow to be processed as if it came in on the real device with | |
5239 | * the VLAN device's VLAN ID. */ | |
4e022ec0 | 5240 | flow->in_port.ofp_port = realdev; |
b98d8985 | 5241 | flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI); |
cc377352 EJ |
5242 | |
5243 | if (packet) { | |
5244 | /* Make the packet resemble the flow, so that it gets sent to an | |
5245 | * OpenFlow controller properly, so that it looks correct for sFlow, | |
5246 | * and so that flow_extract() will get the correct vlan_tci if it is | |
5247 | * called on 'packet'. */ | |
5248 | eth_push_vlan(packet, htons(ETH_TYPE_VLAN), flow->vlan_tci); | |
5249 | } | |
5250 | ||
b98d8985 BP |
5251 | return true; |
5252 | } | |
5253 | ||
52a90c29 BP |
5254 | static void |
5255 | vsp_remove(struct ofport_dpif *port) | |
5256 | { | |
5257 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
5258 | struct vlan_splinter *vsp; | |
5259 | ||
13501305 | 5260 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 BP |
5261 | vsp = vlandev_find(ofproto, port->up.ofp_port); |
5262 | if (vsp) { | |
5263 | hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node); | |
5264 | hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node); | |
5265 | free(vsp); | |
5266 | ||
5267 | port->realdev_ofp_port = 0; | |
5268 | } else { | |
5269 | VLOG_ERR("missing vlan device record"); | |
5270 | } | |
13501305 | 5271 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 BP |
5272 | } |
5273 | ||
5274 | static void | |
4e022ec0 | 5275 | vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
5276 | { |
5277 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
5278 | ||
13501305 | 5279 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 | 5280 | if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL) |
13501305 | 5281 | && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid)) |
52a90c29 BP |
5282 | == realdev_ofp_port)) { |
5283 | struct vlan_splinter *vsp; | |
5284 | ||
5285 | vsp = xmalloc(sizeof *vsp); | |
52a90c29 BP |
5286 | vsp->realdev_ofp_port = realdev_ofp_port; |
5287 | vsp->vlandev_ofp_port = port->up.ofp_port; | |
5288 | vsp->vid = vid; | |
5289 | ||
5290 | port->realdev_ofp_port = realdev_ofp_port; | |
13501305 EJ |
5291 | |
5292 | hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node, | |
5293 | hash_ofp_port(port->up.ofp_port)); | |
5294 | hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node, | |
5295 | hash_realdev_vid(realdev_ofp_port, vid)); | |
52a90c29 BP |
5296 | } else { |
5297 | VLOG_ERR("duplicate vlan device record"); | |
5298 | } | |
13501305 | 5299 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 | 5300 | } |
e1b1d06a | 5301 | |
46c88433 | 5302 | static odp_port_t |
4e022ec0 | 5303 | ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
e1b1d06a JP |
5304 | { |
5305 | const struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); | |
4e022ec0 | 5306 | return ofport ? ofport->odp_port : ODPP_NONE; |
e1b1d06a JP |
5307 | } |
5308 | ||
8449c4d6 | 5309 | struct ofport_dpif * |
4e022ec0 | 5310 | odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port) |
e1b1d06a JP |
5311 | { |
5312 | struct ofport_dpif *port; | |
5313 | ||
8449c4d6 | 5314 | ovs_rwlock_rdlock(&backer->odp_to_ofport_lock); |
f9c0c3ec | 5315 | HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port), |
acf60855 | 5316 | &backer->odp_to_ofport_map) { |
e1b1d06a | 5317 | if (port->odp_port == odp_port) { |
8449c4d6 | 5318 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 | 5319 | return port; |
e1b1d06a JP |
5320 | } |
5321 | } | |
5322 | ||
8449c4d6 | 5323 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 JP |
5324 | return NULL; |
5325 | } | |
5326 | ||
4e022ec0 AW |
5327 | static ofp_port_t |
5328 | odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port) | |
acf60855 JP |
5329 | { |
5330 | struct ofport_dpif *port; | |
5331 | ||
5332 | port = odp_port_to_ofport(ofproto->backer, odp_port); | |
6472ba11 | 5333 | if (port && &ofproto->up == port->up.ofproto) { |
acf60855 JP |
5334 | return port->up.ofp_port; |
5335 | } else { | |
5336 | return OFPP_NONE; | |
5337 | } | |
e1b1d06a | 5338 | } |
655ab909 | 5339 | |
f5374617 AZ |
5340 | uint32_t |
5341 | ofproto_dpif_alloc_recirc_id(struct ofproto_dpif *ofproto) | |
5342 | { | |
5343 | struct dpif_backer *backer = ofproto->backer; | |
5344 | ||
5345 | return recirc_id_alloc(backer->rid_pool); | |
5346 | } | |
5347 | ||
5348 | void | |
5349 | ofproto_dpif_free_recirc_id(struct ofproto_dpif *ofproto, uint32_t recirc_id) | |
5350 | { | |
5351 | struct dpif_backer *backer = ofproto->backer; | |
5352 | ||
5353 | recirc_id_free(backer->rid_pool, recirc_id); | |
5354 | } | |
5355 | ||
adcf00ba AZ |
5356 | int |
5357 | ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto, | |
fe99c360 | 5358 | const struct match *match, int priority, |
290ad78a | 5359 | uint16_t idle_timeout, |
adcf00ba AZ |
5360 | const struct ofpbuf *ofpacts, |
5361 | struct rule **rulep) | |
5362 | { | |
5363 | struct ofputil_flow_mod fm; | |
5364 | struct rule_dpif *rule; | |
5365 | int error; | |
5366 | ||
5367 | fm.match = *match; | |
5368 | fm.priority = priority; | |
5369 | fm.new_cookie = htonll(0); | |
5370 | fm.cookie = htonll(0); | |
5371 | fm.cookie_mask = htonll(0); | |
5372 | fm.modify_cookie = false; | |
5373 | fm.table_id = TBL_INTERNAL; | |
5374 | fm.command = OFPFC_ADD; | |
290ad78a | 5375 | fm.idle_timeout = idle_timeout; |
adcf00ba | 5376 | fm.hard_timeout = 0; |
ca26eb44 | 5377 | fm.importance = 0; |
adcf00ba AZ |
5378 | fm.buffer_id = 0; |
5379 | fm.out_port = 0; | |
5380 | fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY; | |
8bd43ce6 JR |
5381 | fm.ofpacts = ofpbuf_data(ofpacts); |
5382 | fm.ofpacts_len = ofpbuf_size(ofpacts); | |
adcf00ba AZ |
5383 | |
5384 | error = ofproto_flow_mod(&ofproto->up, &fm); | |
5385 | if (error) { | |
5386 | VLOG_ERR_RL(&rl, "failed to add internal flow (%s)", | |
5387 | ofperr_to_string(error)); | |
5388 | *rulep = NULL; | |
5389 | return error; | |
5390 | } | |
5391 | ||
fe99c360 AZ |
5392 | rule = rule_dpif_lookup_in_table(ofproto, TBL_INTERNAL, &fm.match.flow, |
5393 | &fm.match.wc, false); | |
adcf00ba | 5394 | if (rule) { |
adcf00ba AZ |
5395 | *rulep = &rule->up; |
5396 | } else { | |
5397 | OVS_NOT_REACHED(); | |
5398 | } | |
5399 | return 0; | |
5400 | } | |
5401 | ||
5402 | int | |
5403 | ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto, | |
5404 | struct match *match, int priority) | |
5405 | { | |
5406 | struct ofputil_flow_mod fm; | |
5407 | int error; | |
5408 | ||
5409 | fm.match = *match; | |
5410 | fm.priority = priority; | |
5411 | fm.new_cookie = htonll(0); | |
5412 | fm.cookie = htonll(0); | |
5413 | fm.cookie_mask = htonll(0); | |
5414 | fm.modify_cookie = false; | |
5415 | fm.table_id = TBL_INTERNAL; | |
5416 | fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY; | |
5417 | fm.command = OFPFC_DELETE_STRICT; | |
5418 | ||
5419 | error = ofproto_flow_mod(&ofproto->up, &fm); | |
5420 | if (error) { | |
5421 | VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)", | |
5422 | ofperr_to_string(error)); | |
5423 | return error; | |
5424 | } | |
5425 | ||
5426 | return 0; | |
5427 | } | |
5428 | ||
abe529af | 5429 | const struct ofproto_class ofproto_dpif_class = { |
b0408fca | 5430 | init, |
abe529af BP |
5431 | enumerate_types, |
5432 | enumerate_names, | |
5433 | del, | |
0aeaabc8 | 5434 | port_open_type, |
acf60855 | 5435 | type_run, |
acf60855 | 5436 | type_wait, |
abe529af BP |
5437 | alloc, |
5438 | construct, | |
5439 | destruct, | |
5440 | dealloc, | |
5441 | run, | |
5442 | wait, | |
e79a6c83 | 5443 | NULL, /* get_memory_usage. */ |
1c030aa5 | 5444 | type_get_memory_usage, |
abe529af | 5445 | flush, |
3c1bb396 | 5446 | query_tables, |
abe529af BP |
5447 | port_alloc, |
5448 | port_construct, | |
5449 | port_destruct, | |
5450 | port_dealloc, | |
5451 | port_modified, | |
5452 | port_reconfigured, | |
5453 | port_query_by_name, | |
5454 | port_add, | |
5455 | port_del, | |
6527c598 | 5456 | port_get_stats, |
abe529af BP |
5457 | port_dump_start, |
5458 | port_dump_next, | |
5459 | port_dump_done, | |
5460 | port_poll, | |
5461 | port_poll_wait, | |
5462 | port_is_lacp_current, | |
50b9699f | 5463 | port_get_lacp_stats, |
0ab6decf | 5464 | NULL, /* rule_choose_table */ |
abe529af BP |
5465 | rule_alloc, |
5466 | rule_construct, | |
8037acb4 BP |
5467 | rule_insert, |
5468 | rule_delete, | |
abe529af BP |
5469 | rule_destruct, |
5470 | rule_dealloc, | |
abe529af BP |
5471 | rule_get_stats, |
5472 | rule_execute, | |
af822017 | 5473 | NULL, /* rule_premodify_actions */ |
abe529af | 5474 | rule_modify_actions, |
7257b535 | 5475 | set_frag_handling, |
abe529af BP |
5476 | packet_out, |
5477 | set_netflow, | |
5478 | get_netflow_ids, | |
5479 | set_sflow, | |
29089a54 | 5480 | set_ipfix, |
abe529af | 5481 | set_cfm, |
8f5514fe | 5482 | cfm_status_changed, |
9a9e3786 | 5483 | get_cfm_status, |
ccc09689 | 5484 | set_bfd, |
8f5514fe | 5485 | bfd_status_changed, |
ccc09689 | 5486 | get_bfd_status, |
21f7563c JP |
5487 | set_stp, |
5488 | get_stp_status, | |
5489 | set_stp_port, | |
5490 | get_stp_port_status, | |
fd28ce3a | 5491 | get_stp_port_stats, |
9efd308e DV |
5492 | set_rstp, |
5493 | get_rstp_status, | |
5494 | set_rstp_port, | |
5495 | get_rstp_port_status, | |
8b36f51e | 5496 | set_queues, |
abe529af BP |
5497 | bundle_set, |
5498 | bundle_remove, | |
ec7ceaed EJ |
5499 | mirror_set__, |
5500 | mirror_get_stats__, | |
abe529af BP |
5501 | set_flood_vlans, |
5502 | is_mirror_output_bundle, | |
8402c74b | 5503 | forward_bpdu_changed, |
c4069512 | 5504 | set_mac_table_config, |
7c38d0a5 FL |
5505 | set_mcast_snooping, |
5506 | set_mcast_snooping_port, | |
52a90c29 | 5507 | set_realdev, |
9cae45dc JR |
5508 | NULL, /* meter_get_features */ |
5509 | NULL, /* meter_set */ | |
5510 | NULL, /* meter_get */ | |
5511 | NULL, /* meter_del */ | |
00430a3f SH |
5512 | group_alloc, /* group_alloc */ |
5513 | group_construct, /* group_construct */ | |
5514 | group_destruct, /* group_destruct */ | |
5515 | group_dealloc, /* group_dealloc */ | |
5516 | group_modify, /* group_modify */ | |
5517 | group_get_stats, /* group_get_stats */ | |
b5cbbcf6 | 5518 | get_datapath_version, /* get_datapath_version */ |
abe529af | 5519 | }; |