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abe529af | 1 | /* |
39cc5c4a | 2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 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" | |
0477baa9 | 32 | #include "ovs-lldp.h" |
abe529af | 33 | #include "dpif.h" |
3e8a2ad1 | 34 | #include "openvswitch/dynamic-string.h" |
abe529af | 35 | #include "fail-open.h" |
05067881 | 36 | #include "guarded-list.h" |
abe529af BP |
37 | #include "hmapx.h" |
38 | #include "lacp.h" | |
75a75043 | 39 | #include "learn.h" |
abe529af | 40 | #include "mac-learning.h" |
6d95c4e8 | 41 | #include "mcast-snooping.h" |
816fd533 | 42 | #include "meta-flow.h" |
abe529af | 43 | #include "multipath.h" |
0a740f48 | 44 | #include "netdev-vport.h" |
abe529af BP |
45 | #include "netdev.h" |
46 | #include "netlink.h" | |
47 | #include "nx-match.h" | |
48 | #include "odp-util.h" | |
1ac7c9bd | 49 | #include "odp-execute.h" |
abe529af BP |
50 | #include "ofp-util.h" |
51 | #include "ofpbuf.h" | |
f25d0cf3 | 52 | #include "ofp-actions.h" |
31a19d69 | 53 | #include "ofp-parse.h" |
abe529af | 54 | #include "ofp-print.h" |
29089a54 | 55 | #include "ofproto-dpif-ipfix.h" |
ec7ceaed | 56 | #include "ofproto-dpif-mirror.h" |
635c5db9 | 57 | #include "ofproto-dpif-monitor.h" |
f5374617 | 58 | #include "ofproto-dpif-rid.h" |
bae473fe | 59 | #include "ofproto-dpif-sflow.h" |
e1ec7dd4 | 60 | #include "ofproto-dpif-upcall.h" |
9583bc14 | 61 | #include "ofproto-dpif-xlate.h" |
abe529af | 62 | #include "poll-loop.h" |
dfba2dfc | 63 | #include "ovs-rcu.h" |
a36de779 | 64 | #include "ovs-router.h" |
f23d157c | 65 | #include "seq.h" |
0d085684 | 66 | #include "simap.h" |
27022416 | 67 | #include "smap.h" |
abe529af | 68 | #include "timer.h" |
b9ad7294 | 69 | #include "tunnel.h" |
6c1491fb | 70 | #include "unaligned.h" |
abe529af BP |
71 | #include "unixctl.h" |
72 | #include "vlan-bitmap.h" | |
e6211adc | 73 | #include "openvswitch/vlog.h" |
abe529af BP |
74 | |
75 | VLOG_DEFINE_THIS_MODULE(ofproto_dpif); | |
76 | ||
abe529af | 77 | COVERAGE_DEFINE(ofproto_dpif_expired); |
ada3a58d | 78 | COVERAGE_DEFINE(packet_in_overflow); |
abe529af | 79 | |
a088a1ff | 80 | struct flow_miss; |
abe529af | 81 | |
70742c7f EJ |
82 | struct rule_dpif { |
83 | struct rule up; | |
84 | ||
85 | /* These statistics: | |
86 | * | |
e79a6c83 EJ |
87 | * - Do include packets and bytes from datapath flows which have not |
88 | * recently been processed by a revalidator. */ | |
70742c7f | 89 | struct ovs_mutex stats_mutex; |
1a4ec18d | 90 | struct dpif_flow_stats stats OVS_GUARDED; |
888ac0d7 | 91 | |
39c94593 JR |
92 | /* In non-NULL, will point to a new rule (for which a reference is held) to |
93 | * which all the stats updates should be forwarded. This exists only | |
94 | * transitionally when flows are replaced. | |
95 | * | |
96 | * Protected by stats_mutex. If both 'rule->stats_mutex' and | |
97 | * 'rule->new_rule->stats_mutex' must be held together, acquire them in that | |
98 | * order, */ | |
99 | struct rule_dpif *new_rule OVS_GUARDED; | |
100 | ||
888ac0d7 SH |
101 | /* If non-zero then the recirculation id that has |
102 | * been allocated for use with this rule. | |
103 | * The recirculation id and associated internal flow should | |
104 | * be freed when the rule is freed */ | |
105 | uint32_t recirc_id; | |
70742c7f EJ |
106 | }; |
107 | ||
003ce655 JR |
108 | /* RULE_CAST() depends on this. */ |
109 | BUILD_ASSERT_DECL(offsetof(struct rule_dpif, up) == 0); | |
110 | ||
dc437090 JR |
111 | static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes, |
112 | long long int *used); | |
70742c7f | 113 | static struct rule_dpif *rule_dpif_cast(const struct rule *); |
e79a6c83 | 114 | static void rule_expire(struct rule_dpif *); |
b0f7b9b5 | 115 | |
00430a3f SH |
116 | struct group_dpif { |
117 | struct ofgroup up; | |
118 | ||
119 | /* These statistics: | |
120 | * | |
e79a6c83 EJ |
121 | * - Do include packets and bytes from datapath flows which have not |
122 | * recently been processed by a revalidator. */ | |
00430a3f SH |
123 | struct ovs_mutex stats_mutex; |
124 | uint64_t packet_count OVS_GUARDED; /* Number of packets received. */ | |
125 | uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */ | |
00430a3f SH |
126 | }; |
127 | ||
46c88433 EJ |
128 | struct ofbundle { |
129 | struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */ | |
130 | struct ofproto_dpif *ofproto; /* Owning ofproto. */ | |
131 | void *aux; /* Key supplied by ofproto's client. */ | |
132 | char *name; /* Identifier for log messages. */ | |
133 | ||
134 | /* Configuration. */ | |
ca6ba700 | 135 | struct ovs_list ports; /* Contains "struct ofport"s. */ |
46c88433 EJ |
136 | enum port_vlan_mode vlan_mode; /* VLAN mode */ |
137 | int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */ | |
138 | unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1. | |
139 | * NULL if all VLANs are trunked. */ | |
140 | struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */ | |
141 | struct bond *bond; /* Nonnull iff more than one port. */ | |
142 | bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */ | |
143 | ||
144 | /* Status. */ | |
145 | bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */ | |
146 | }; | |
147 | ||
abe529af | 148 | static void bundle_remove(struct ofport *); |
7bde8dd8 | 149 | static void bundle_update(struct ofbundle *); |
abe529af BP |
150 | static void bundle_destroy(struct ofbundle *); |
151 | static void bundle_del_port(struct ofport_dpif *); | |
152 | static void bundle_run(struct ofbundle *); | |
153 | static void bundle_wait(struct ofbundle *); | |
66ff280d | 154 | static void bundle_flush_macs(struct ofbundle *, bool); |
2372c146 | 155 | static void bundle_move(struct ofbundle *, struct ofbundle *); |
33158a18 | 156 | |
21f7563c JP |
157 | static void stp_run(struct ofproto_dpif *ofproto); |
158 | static void stp_wait(struct ofproto_dpif *ofproto); | |
851bf71d EJ |
159 | static int set_stp_port(struct ofport *, |
160 | const struct ofproto_port_stp_settings *); | |
21f7563c | 161 | |
9efd308e DV |
162 | static void rstp_run(struct ofproto_dpif *ofproto); |
163 | static void set_rstp_port(struct ofport *, | |
164 | const struct ofproto_port_rstp_settings *); | |
165 | ||
46c88433 EJ |
166 | struct ofport_dpif { |
167 | struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */ | |
168 | struct ofport up; | |
169 | ||
170 | odp_port_t odp_port; | |
171 | struct ofbundle *bundle; /* Bundle that contains this port, if any. */ | |
ca6ba700 | 172 | struct ovs_list bundle_node;/* In struct ofbundle's "ports" list. */ |
46c88433 EJ |
173 | struct cfm *cfm; /* Connectivity Fault Management, if any. */ |
174 | struct bfd *bfd; /* BFD, if any. */ | |
0477baa9 | 175 | struct lldp *lldp; /* lldp, if any. */ |
46c88433 EJ |
176 | bool may_enable; /* May be enabled in bonds. */ |
177 | bool is_tunnel; /* This port is a tunnel. */ | |
a6363cfd | 178 | bool is_layer3; /* This is a layer 3 port. */ |
46c88433 EJ |
179 | long long int carrier_seq; /* Carrier status changes. */ |
180 | struct ofport_dpif *peer; /* Peer if patch port. */ | |
181 | ||
182 | /* Spanning tree. */ | |
183 | struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */ | |
184 | enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */ | |
185 | long long int stp_state_entered; | |
186 | ||
9efd308e DV |
187 | /* Rapid Spanning Tree. */ |
188 | struct rstp_port *rstp_port; /* Rapid Spanning Tree Protocol, if any. */ | |
189 | enum rstp_state rstp_state; /* Always RSTP_DISABLED if RSTP not in use. */ | |
190 | ||
55954f6e EJ |
191 | /* Queue to DSCP mapping. */ |
192 | struct ofproto_port_queue *qdscp; | |
193 | size_t n_qdscp; | |
46c88433 EJ |
194 | |
195 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
196 | * | |
197 | * This is deprecated. It is only for compatibility with broken device | |
198 | * drivers in old versions of Linux that do not properly support VLANs when | |
199 | * VLAN devices are not used. When broken device drivers are no longer in | |
200 | * widespread use, we will delete these interfaces. */ | |
201 | ofp_port_t realdev_ofp_port; | |
202 | int vlandev_vid; | |
203 | }; | |
204 | ||
52a90c29 BP |
205 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
206 | * | |
207 | * This is deprecated. It is only for compatibility with broken device drivers | |
208 | * in old versions of Linux that do not properly support VLANs when VLAN | |
209 | * devices are not used. When broken device drivers are no longer in | |
210 | * widespread use, we will delete these interfaces. */ | |
211 | struct vlan_splinter { | |
212 | struct hmap_node realdev_vid_node; | |
213 | struct hmap_node vlandev_node; | |
4e022ec0 AW |
214 | ofp_port_t realdev_ofp_port; |
215 | ofp_port_t vlandev_ofp_port; | |
52a90c29 BP |
216 | int vid; |
217 | }; | |
218 | ||
52a90c29 | 219 | static void vsp_remove(struct ofport_dpif *); |
4e022ec0 | 220 | static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid); |
52a90c29 | 221 | |
46c88433 EJ |
222 | static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *, |
223 | ofp_port_t); | |
224 | ||
4e022ec0 | 225 | static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *, |
46c88433 | 226 | odp_port_t); |
e1b1d06a | 227 | |
abe529af BP |
228 | static struct ofport_dpif * |
229 | ofport_dpif_cast(const struct ofport *ofport) | |
230 | { | |
abe529af BP |
231 | return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL; |
232 | } | |
233 | ||
234 | static void port_run(struct ofport_dpif *); | |
8aee94b6 | 235 | static int set_bfd(struct ofport *, const struct smap *); |
a5610457 | 236 | static int set_cfm(struct ofport *, const struct cfm_settings *); |
0477baa9 | 237 | static int set_lldp(struct ofport *ofport_, const struct smap *cfg); |
6cbbf4fa | 238 | static void ofport_update_peer(struct ofport_dpif *); |
abe529af | 239 | |
e79a6c83 EJ |
240 | /* Reasons that we might need to revalidate every datapath flow, and |
241 | * corresponding coverage counters. | |
cdc3ab65 EJ |
242 | * |
243 | * A value of 0 means that there is no need to revalidate. | |
244 | * | |
245 | * It would be nice to have some cleaner way to integrate with coverage | |
246 | * counters, but with only a few reasons I guess this is good enough for | |
247 | * now. */ | |
248 | enum revalidate_reason { | |
249 | REV_RECONFIGURE = 1, /* Switch configuration changed. */ | |
250 | REV_STP, /* Spanning tree protocol port status change. */ | |
9efd308e | 251 | REV_RSTP, /* RSTP port status change. */ |
4a1b8f30 | 252 | REV_BOND, /* Bonding changed. */ |
cdc3ab65 EJ |
253 | REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/ |
254 | REV_FLOW_TABLE, /* Flow table changed. */ | |
30618594 | 255 | REV_MAC_LEARNING, /* Mac learning changed. */ |
6d95c4e8 | 256 | REV_MCAST_SNOOPING, /* Multicast snooping changed. */ |
cdc3ab65 | 257 | }; |
3c4a309c BP |
258 | COVERAGE_DEFINE(rev_reconfigure); |
259 | COVERAGE_DEFINE(rev_stp); | |
9efd308e | 260 | COVERAGE_DEFINE(rev_rstp); |
4a1b8f30 | 261 | COVERAGE_DEFINE(rev_bond); |
3c4a309c BP |
262 | COVERAGE_DEFINE(rev_port_toggled); |
263 | COVERAGE_DEFINE(rev_flow_table); | |
30618594 | 264 | COVERAGE_DEFINE(rev_mac_learning); |
6d95c4e8 | 265 | COVERAGE_DEFINE(rev_mcast_snooping); |
3c4a309c | 266 | |
cdc3ab65 EJ |
267 | /* All datapaths of a given type share a single dpif backer instance. */ |
268 | struct dpif_backer { | |
269 | char *type; | |
270 | int refcount; | |
271 | struct dpif *dpif; | |
e1ec7dd4 | 272 | struct udpif *udpif; |
8449c4d6 EJ |
273 | |
274 | struct ovs_rwlock odp_to_ofport_lock; | |
390eadaa | 275 | struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */ |
cdc3ab65 EJ |
276 | |
277 | struct simap tnl_backers; /* Set of dpif ports backing tunnels. */ | |
278 | ||
e79a6c83 | 279 | enum revalidate_reason need_revalidate; /* Revalidate all flows. */ |
cdc3ab65 | 280 | |
cdc3ab65 | 281 | bool recv_set_enable; /* Enables or disables receiving packets. */ |
4b97b70d | 282 | |
b5cbbcf6 AZ |
283 | /* Version string of the datapath stored in OVSDB. */ |
284 | char *dp_version_string; | |
a36de779 | 285 | |
b440dd8c JS |
286 | /* Datapath feature support. */ |
287 | struct dpif_backer_support support; | |
a36de779 | 288 | struct atomic_count tnl_count; |
cdc3ab65 EJ |
289 | }; |
290 | ||
acf60855 JP |
291 | /* All existing ofproto_backer instances, indexed by ofproto->up.type. */ |
292 | static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers); | |
293 | ||
46c88433 EJ |
294 | struct ofproto_dpif { |
295 | struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */ | |
296 | struct ofproto up; | |
297 | struct dpif_backer *backer; | |
298 | ||
290835f9 BP |
299 | /* Unique identifier for this instantiation of this bridge in this running |
300 | * process. */ | |
301 | struct uuid uuid; | |
302 | ||
18721c4a | 303 | ATOMIC(cls_version_t) tables_version; /* For classifier lookups. */ |
621b8064 | 304 | |
e79a6c83 EJ |
305 | uint64_t dump_seq; /* Last read of udpif_dump_seq(). */ |
306 | ||
46c88433 EJ |
307 | /* Special OpenFlow rules. */ |
308 | struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */ | |
309 | struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */ | |
ad99e2ed | 310 | struct rule_dpif *drop_frags_rule; /* Used in OFPUTIL_FRAG_DROP mode. */ |
46c88433 EJ |
311 | |
312 | /* Bridging. */ | |
313 | struct netflow *netflow; | |
314 | struct dpif_sflow *sflow; | |
315 | struct dpif_ipfix *ipfix; | |
316 | struct hmap bundles; /* Contains "struct ofbundle"s. */ | |
317 | struct mac_learning *ml; | |
6d95c4e8 | 318 | struct mcast_snooping *ms; |
46c88433 | 319 | bool has_bonded_bundles; |
e2d13c43 | 320 | bool lacp_enabled; |
46c88433 EJ |
321 | struct mbridge *mbridge; |
322 | ||
0da3c61b AW |
323 | struct ovs_mutex stats_mutex; |
324 | struct netdev_stats stats OVS_GUARDED; /* To account packets generated and | |
325 | * consumed in userspace. */ | |
46c88433 EJ |
326 | |
327 | /* Spanning tree. */ | |
328 | struct stp *stp; | |
329 | long long int stp_last_tick; | |
330 | ||
9efd308e DV |
331 | /* Rapid Spanning Tree. */ |
332 | struct rstp *rstp; | |
333 | long long int rstp_last_tick; | |
334 | ||
46c88433 | 335 | /* VLAN splinters. */ |
13501305 EJ |
336 | struct ovs_mutex vsp_mutex; |
337 | struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */ | |
338 | struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */ | |
46c88433 EJ |
339 | |
340 | /* Ports. */ | |
341 | struct sset ports; /* Set of standard port names. */ | |
342 | struct sset ghost_ports; /* Ports with no datapath port. */ | |
343 | struct sset port_poll_set; /* Queued names for port_poll() reply. */ | |
344 | int port_poll_errno; /* Last errno for port_poll() reply. */ | |
f23d157c | 345 | uint64_t change_seq; /* Connectivity status changes. */ |
46c88433 | 346 | |
3d9c5e58 | 347 | /* Work queues. */ |
a2b53dec BP |
348 | struct guarded_list ams; /* Contains "struct ofproto_async_msgs"s. */ |
349 | struct seq *ams_seq; /* For notifying 'ams' reception. */ | |
350 | uint64_t ams_seqno; | |
46c88433 EJ |
351 | }; |
352 | ||
b44a10b7 BP |
353 | /* All existing ofproto_dpif instances, indexed by ->up.name. */ |
354 | static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs); | |
355 | ||
a36de779 PS |
356 | static bool ofproto_use_tnl_push_pop = true; |
357 | static void ofproto_unixctl_init(void); | |
abe529af | 358 | |
46c88433 EJ |
359 | static inline struct ofproto_dpif * |
360 | ofproto_dpif_cast(const struct ofproto *ofproto) | |
361 | { | |
362 | ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class); | |
363 | return CONTAINER_OF(ofproto, struct ofproto_dpif, up); | |
364 | } | |
365 | ||
adcf00ba | 366 | bool |
2494ccd7 | 367 | ofproto_dpif_get_enable_ufid(const struct dpif_backer *backer) |
adcf00ba | 368 | { |
2494ccd7 | 369 | return backer->support.ufid; |
adcf00ba AZ |
370 | } |
371 | ||
2494ccd7 JS |
372 | struct dpif_backer_support * |
373 | ofproto_dpif_get_support(const struct ofproto_dpif *ofproto) | |
8e1ffd75 | 374 | { |
2494ccd7 | 375 | return &ofproto->backer->support; |
8e1ffd75 JS |
376 | } |
377 | ||
adcf00ba | 378 | static void ofproto_trace(struct ofproto_dpif *, struct flow *, |
cf62fa4c | 379 | const struct dp_packet *packet, |
aee0979b BP |
380 | const struct ofpact[], size_t ofpacts_len, |
381 | struct ds *); | |
46c88433 | 382 | |
abe529af BP |
383 | /* Global variables. */ |
384 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
acf60855 JP |
385 | |
386 | /* Initial mappings of port to bridge mappings. */ | |
387 | static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports); | |
46c88433 | 388 | |
1b63b91e BP |
389 | /* Executes 'fm'. The caller retains ownership of 'fm' and everything in |
390 | * it. */ | |
3d9c5e58 | 391 | void |
46c88433 | 392 | ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto, |
8be00367 | 393 | const struct ofputil_flow_mod *fm) |
46c88433 | 394 | { |
8be00367 JR |
395 | struct ofproto_flow_mod ofm; |
396 | ||
397 | /* Multiple threads may do this for the same 'fm' at the same time. | |
398 | * Allocate ofproto_flow_mod with execution context from stack. | |
399 | * | |
400 | * Note: This copy could be avoided by making ofproto_flow_mod more | |
401 | * complex, but that may not be desireable, and a learn action is not that | |
402 | * fast to begin with. */ | |
403 | ofm.fm = *fm; | |
404 | ofproto_flow_mod(&ofproto->up, &ofm); | |
46c88433 EJ |
405 | } |
406 | ||
a2b53dec BP |
407 | /* Appends 'am' to the queue of asynchronous messages to be sent to the |
408 | * controller. Takes ownership of 'am' and any data it points to. */ | |
46c88433 | 409 | void |
a2b53dec BP |
410 | ofproto_dpif_send_async_msg(struct ofproto_dpif *ofproto, |
411 | struct ofproto_async_msg *am) | |
46c88433 | 412 | { |
a2b53dec | 413 | if (!guarded_list_push_back(&ofproto->ams, &am->list_node, 1024)) { |
ada3a58d | 414 | COVERAGE_INC(packet_in_overflow); |
a2b53dec | 415 | ofproto_async_msg_free(am); |
ada3a58d | 416 | } |
cfc50ae5 AW |
417 | |
418 | /* Wakes up main thread for packet-in I/O. */ | |
a2b53dec | 419 | seq_change(ofproto->ams_seq); |
46c88433 | 420 | } |
6b83a3c5 SH |
421 | |
422 | /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the | |
423 | * packet rather than to send the packet to the controller. | |
424 | * | |
425 | * This function returns false to indicate that a packet_in message | |
426 | * for a "table-miss" should be sent to at least one controller. | |
427 | * False otherwise. */ | |
428 | bool | |
429 | ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto) | |
430 | { | |
431 | return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr); | |
432 | } | |
abe529af BP |
433 | \f |
434 | /* Factory functions. */ | |
435 | ||
b0408fca | 436 | static void |
acf60855 | 437 | init(const struct shash *iface_hints) |
b0408fca | 438 | { |
acf60855 JP |
439 | struct shash_node *node; |
440 | ||
441 | /* Make a local copy, since we don't own 'iface_hints' elements. */ | |
442 | SHASH_FOR_EACH(node, iface_hints) { | |
443 | const struct iface_hint *orig_hint = node->data; | |
444 | struct iface_hint *new_hint = xmalloc(sizeof *new_hint); | |
445 | ||
446 | new_hint->br_name = xstrdup(orig_hint->br_name); | |
447 | new_hint->br_type = xstrdup(orig_hint->br_type); | |
448 | new_hint->ofp_port = orig_hint->ofp_port; | |
449 | ||
450 | shash_add(&init_ofp_ports, node->name, new_hint); | |
451 | } | |
0fc1f5c0 HH |
452 | |
453 | ofproto_unixctl_init(); | |
454 | udpif_init(); | |
b0408fca JP |
455 | } |
456 | ||
abe529af BP |
457 | static void |
458 | enumerate_types(struct sset *types) | |
459 | { | |
460 | dp_enumerate_types(types); | |
461 | } | |
462 | ||
463 | static int | |
464 | enumerate_names(const char *type, struct sset *names) | |
465 | { | |
acf60855 JP |
466 | struct ofproto_dpif *ofproto; |
467 | ||
468 | sset_clear(names); | |
469 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
470 | if (strcmp(type, ofproto->up.type)) { | |
471 | continue; | |
472 | } | |
473 | sset_add(names, ofproto->up.name); | |
474 | } | |
475 | ||
476 | return 0; | |
abe529af BP |
477 | } |
478 | ||
479 | static int | |
480 | del(const char *type, const char *name) | |
481 | { | |
482 | struct dpif *dpif; | |
483 | int error; | |
484 | ||
485 | error = dpif_open(name, type, &dpif); | |
486 | if (!error) { | |
487 | error = dpif_delete(dpif); | |
488 | dpif_close(dpif); | |
489 | } | |
490 | return error; | |
491 | } | |
492 | \f | |
0aeaabc8 JP |
493 | static const char * |
494 | port_open_type(const char *datapath_type, const char *port_type) | |
495 | { | |
496 | return dpif_port_open_type(datapath_type, port_type); | |
497 | } | |
498 | ||
acf60855 JP |
499 | /* Type functions. */ |
500 | ||
36beb9be BP |
501 | static void process_dpif_port_changes(struct dpif_backer *); |
502 | static void process_dpif_all_ports_changed(struct dpif_backer *); | |
503 | static void process_dpif_port_change(struct dpif_backer *, | |
504 | const char *devname); | |
505 | static void process_dpif_port_error(struct dpif_backer *, int error); | |
506 | ||
476cb42a BP |
507 | static struct ofproto_dpif * |
508 | lookup_ofproto_dpif_by_port_name(const char *name) | |
509 | { | |
510 | struct ofproto_dpif *ofproto; | |
511 | ||
512 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
513 | if (sset_contains(&ofproto->ports, name)) { | |
514 | return ofproto; | |
515 | } | |
516 | } | |
517 | ||
518 | return NULL; | |
519 | } | |
520 | ||
d997f23f ZK |
521 | bool |
522 | ofproto_dpif_backer_enabled(struct dpif_backer* backer) | |
523 | { | |
524 | return backer->recv_set_enable; | |
525 | } | |
526 | ||
acf60855 JP |
527 | static int |
528 | type_run(const char *type) | |
529 | { | |
530 | struct dpif_backer *backer; | |
acf60855 JP |
531 | |
532 | backer = shash_find_data(&all_dpif_backers, type); | |
533 | if (!backer) { | |
534 | /* This is not necessarily a problem, since backers are only | |
535 | * created on demand. */ | |
536 | return 0; | |
537 | } | |
538 | ||
a36de779 PS |
539 | |
540 | if (dpif_run(backer->dpif)) { | |
541 | backer->need_revalidate = REV_RECONFIGURE; | |
542 | } | |
543 | ||
27f57736 | 544 | udpif_run(backer->udpif); |
acf60855 | 545 | |
40358701 GS |
546 | /* If vswitchd started with other_config:flow_restore_wait set as "true", |
547 | * and the configuration has now changed to "false", enable receiving | |
548 | * packets from the datapath. */ | |
549 | if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) { | |
36beb9be BP |
550 | int error; |
551 | ||
40358701 GS |
552 | backer->recv_set_enable = true; |
553 | ||
554 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); | |
555 | if (error) { | |
556 | VLOG_ERR("Failed to enable receiving packets in dpif."); | |
557 | return error; | |
558 | } | |
559 | dpif_flow_flush(backer->dpif); | |
560 | backer->need_revalidate = REV_RECONFIGURE; | |
561 | } | |
562 | ||
6567010f | 563 | if (backer->recv_set_enable) { |
e79a6c83 | 564 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
448a4b2f AW |
565 | } |
566 | ||
a14b8947 | 567 | dpif_poll_threads_set(backer->dpif, pmd_cpu_mask); |
f2eee189 | 568 | |
a1616063 | 569 | if (backer->need_revalidate) { |
2cc3c58e | 570 | struct ofproto_dpif *ofproto; |
a614d823 KM |
571 | struct simap_node *node; |
572 | struct simap tmp_backers; | |
573 | ||
574 | /* Handle tunnel garbage collection. */ | |
575 | simap_init(&tmp_backers); | |
576 | simap_swap(&backer->tnl_backers, &tmp_backers); | |
577 | ||
578 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
579 | struct ofport_dpif *iter; | |
580 | ||
581 | if (backer != ofproto->backer) { | |
582 | continue; | |
583 | } | |
584 | ||
585 | HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) { | |
3aa30359 | 586 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
a614d823 KM |
587 | const char *dp_port; |
588 | ||
42943cde | 589 | if (!iter->is_tunnel) { |
a614d823 KM |
590 | continue; |
591 | } | |
592 | ||
3aa30359 BP |
593 | dp_port = netdev_vport_get_dpif_port(iter->up.netdev, |
594 | namebuf, sizeof namebuf); | |
a614d823 KM |
595 | node = simap_find(&tmp_backers, dp_port); |
596 | if (node) { | |
597 | simap_put(&backer->tnl_backers, dp_port, node->data); | |
598 | simap_delete(&tmp_backers, node); | |
599 | node = simap_find(&backer->tnl_backers, dp_port); | |
600 | } else { | |
601 | node = simap_find(&backer->tnl_backers, dp_port); | |
602 | if (!node) { | |
4e022ec0 | 603 | odp_port_t odp_port = ODPP_NONE; |
a614d823 KM |
604 | |
605 | if (!dpif_port_add(backer->dpif, iter->up.netdev, | |
606 | &odp_port)) { | |
4e022ec0 AW |
607 | simap_put(&backer->tnl_backers, dp_port, |
608 | odp_to_u32(odp_port)); | |
a614d823 KM |
609 | node = simap_find(&backer->tnl_backers, dp_port); |
610 | } | |
611 | } | |
612 | } | |
613 | ||
4e022ec0 | 614 | iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE; |
42943cde | 615 | if (tnl_port_reconfigure(iter, iter->up.netdev, |
a36de779 PS |
616 | iter->odp_port, |
617 | ovs_native_tunneling_is_on(ofproto), dp_port)) { | |
a614d823 KM |
618 | backer->need_revalidate = REV_RECONFIGURE; |
619 | } | |
620 | } | |
621 | } | |
622 | ||
623 | SIMAP_FOR_EACH (node, &tmp_backers) { | |
4e022ec0 | 624 | dpif_port_del(backer->dpif, u32_to_odp(node->data)); |
a614d823 KM |
625 | } |
626 | simap_destroy(&tmp_backers); | |
2cc3c58e EJ |
627 | |
628 | switch (backer->need_revalidate) { | |
1373ee25 FL |
629 | case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break; |
630 | case REV_STP: COVERAGE_INC(rev_stp); break; | |
9efd308e | 631 | case REV_RSTP: COVERAGE_INC(rev_rstp); break; |
1373ee25 FL |
632 | case REV_BOND: COVERAGE_INC(rev_bond); break; |
633 | case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break; | |
634 | case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break; | |
635 | case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break; | |
6d95c4e8 | 636 | case REV_MCAST_SNOOPING: COVERAGE_INC(rev_mcast_snooping); break; |
2cc3c58e | 637 | } |
f728af2e BP |
638 | backer->need_revalidate = 0; |
639 | ||
2cc3c58e | 640 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { |
a1616063 | 641 | struct ofport_dpif *ofport; |
a1616063 | 642 | struct ofbundle *bundle; |
2cc3c58e EJ |
643 | |
644 | if (ofproto->backer != backer) { | |
645 | continue; | |
646 | } | |
647 | ||
84f0f298 | 648 | xlate_txn_start(); |
89a8a7f0 | 649 | xlate_ofproto_set(ofproto, ofproto->up.name, |
34dd0d78 | 650 | ofproto->backer->dpif, ofproto->ml, |
9efd308e DV |
651 | ofproto->stp, ofproto->rstp, ofproto->ms, |
652 | ofproto->mbridge, ofproto->sflow, ofproto->ipfix, | |
2f47cdf4 | 653 | ofproto->netflow, |
a1616063 | 654 | ofproto->up.forward_bpdu, |
4b97b70d | 655 | connmgr_has_in_band(ofproto->up.connmgr), |
b440dd8c | 656 | &ofproto->backer->support); |
46c88433 | 657 | |
a1616063 EJ |
658 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { |
659 | xlate_bundle_set(ofproto, bundle, bundle->name, | |
660 | bundle->vlan_mode, bundle->vlan, | |
661 | bundle->trunks, bundle->use_priority_tags, | |
662 | bundle->bond, bundle->lacp, | |
663 | bundle->floodable); | |
664 | } | |
665 | ||
666 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
9d189a50 EJ |
667 | int stp_port = ofport->stp_port |
668 | ? stp_port_no(ofport->stp_port) | |
92cf817b | 669 | : -1; |
a1616063 EJ |
670 | xlate_ofport_set(ofproto, ofport->bundle, ofport, |
671 | ofport->up.ofp_port, ofport->odp_port, | |
0477baa9 DF |
672 | ofport->up.netdev, ofport->cfm, ofport->bfd, |
673 | ofport->lldp, ofport->peer, stp_port, | |
f025bcb7 JR |
674 | ofport->rstp_port, ofport->qdscp, |
675 | ofport->n_qdscp, ofport->up.pp.config, | |
676 | ofport->up.pp.state, ofport->is_tunnel, | |
677 | ofport->may_enable); | |
46c88433 | 678 | } |
84f0f298 | 679 | xlate_txn_commit(); |
2cc3c58e | 680 | } |
e1ec7dd4 EJ |
681 | |
682 | udpif_revalidate(backer->udpif); | |
2cc3c58e EJ |
683 | } |
684 | ||
36beb9be | 685 | process_dpif_port_changes(backer); |
acf60855 JP |
686 | |
687 | return 0; | |
688 | } | |
689 | ||
36beb9be BP |
690 | /* Check for and handle port changes in 'backer''s dpif. */ |
691 | static void | |
692 | process_dpif_port_changes(struct dpif_backer *backer) | |
693 | { | |
694 | for (;;) { | |
695 | char *devname; | |
696 | int error; | |
697 | ||
698 | error = dpif_port_poll(backer->dpif, &devname); | |
699 | switch (error) { | |
700 | case EAGAIN: | |
701 | return; | |
702 | ||
703 | case ENOBUFS: | |
704 | process_dpif_all_ports_changed(backer); | |
705 | break; | |
706 | ||
707 | case 0: | |
708 | process_dpif_port_change(backer, devname); | |
709 | free(devname); | |
710 | break; | |
711 | ||
712 | default: | |
713 | process_dpif_port_error(backer, error); | |
714 | break; | |
715 | } | |
716 | } | |
717 | } | |
718 | ||
719 | static void | |
720 | process_dpif_all_ports_changed(struct dpif_backer *backer) | |
721 | { | |
722 | struct ofproto_dpif *ofproto; | |
723 | struct dpif_port dpif_port; | |
724 | struct dpif_port_dump dump; | |
725 | struct sset devnames; | |
726 | const char *devname; | |
727 | ||
728 | sset_init(&devnames); | |
729 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
730 | if (ofproto->backer == backer) { | |
731 | struct ofport *ofport; | |
732 | ||
733 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
734 | sset_add(&devnames, netdev_get_name(ofport->netdev)); | |
735 | } | |
736 | } | |
737 | } | |
738 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) { | |
739 | sset_add(&devnames, dpif_port.name); | |
740 | } | |
741 | ||
742 | SSET_FOR_EACH (devname, &devnames) { | |
743 | process_dpif_port_change(backer, devname); | |
744 | } | |
745 | sset_destroy(&devnames); | |
746 | } | |
747 | ||
748 | static void | |
749 | process_dpif_port_change(struct dpif_backer *backer, const char *devname) | |
750 | { | |
751 | struct ofproto_dpif *ofproto; | |
752 | struct dpif_port port; | |
753 | ||
754 | /* Don't report on the datapath's device. */ | |
755 | if (!strcmp(devname, dpif_base_name(backer->dpif))) { | |
756 | return; | |
757 | } | |
758 | ||
759 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, | |
760 | &all_ofproto_dpifs) { | |
761 | if (simap_contains(&ofproto->backer->tnl_backers, devname)) { | |
762 | return; | |
763 | } | |
764 | } | |
765 | ||
766 | ofproto = lookup_ofproto_dpif_by_port_name(devname); | |
767 | if (dpif_port_query_by_name(backer->dpif, devname, &port)) { | |
768 | /* The port was removed. If we know the datapath, | |
769 | * report it through poll_set(). If we don't, it may be | |
770 | * notifying us of a removal we initiated, so ignore it. | |
771 | * If there's a pending ENOBUFS, let it stand, since | |
772 | * everything will be reevaluated. */ | |
773 | if (ofproto && ofproto->port_poll_errno != ENOBUFS) { | |
774 | sset_add(&ofproto->port_poll_set, devname); | |
775 | ofproto->port_poll_errno = 0; | |
776 | } | |
777 | } else if (!ofproto) { | |
778 | /* The port was added, but we don't know with which | |
779 | * ofproto we should associate it. Delete it. */ | |
780 | dpif_port_del(backer->dpif, port.port_no); | |
74cc3969 BP |
781 | } else { |
782 | struct ofport_dpif *ofport; | |
783 | ||
784 | ofport = ofport_dpif_cast(shash_find_data( | |
785 | &ofproto->up.port_by_name, devname)); | |
786 | if (ofport | |
787 | && ofport->odp_port != port.port_no | |
788 | && !odp_port_to_ofport(backer, port.port_no)) | |
789 | { | |
790 | /* 'ofport''s datapath port number has changed from | |
791 | * 'ofport->odp_port' to 'port.port_no'. Update our internal data | |
792 | * structures to match. */ | |
8449c4d6 | 793 | ovs_rwlock_wrlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
794 | hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node); |
795 | ofport->odp_port = port.port_no; | |
796 | hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node, | |
797 | hash_odp_port(port.port_no)); | |
8449c4d6 | 798 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
799 | backer->need_revalidate = REV_RECONFIGURE; |
800 | } | |
36beb9be BP |
801 | } |
802 | dpif_port_destroy(&port); | |
803 | } | |
804 | ||
805 | /* Propagate 'error' to all ofprotos based on 'backer'. */ | |
806 | static void | |
807 | process_dpif_port_error(struct dpif_backer *backer, int error) | |
808 | { | |
809 | struct ofproto_dpif *ofproto; | |
810 | ||
811 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
812 | if (ofproto->backer == backer) { | |
813 | sset_clear(&ofproto->port_poll_set); | |
814 | ofproto->port_poll_errno = error; | |
815 | } | |
816 | } | |
817 | } | |
818 | ||
acf60855 JP |
819 | static void |
820 | type_wait(const char *type) | |
821 | { | |
822 | struct dpif_backer *backer; | |
823 | ||
824 | backer = shash_find_data(&all_dpif_backers, type); | |
825 | if (!backer) { | |
826 | /* This is not necessarily a problem, since backers are only | |
827 | * created on demand. */ | |
828 | return; | |
829 | } | |
830 | ||
c0365fc8 | 831 | dpif_wait(backer->dpif); |
acf60855 JP |
832 | } |
833 | \f | |
abe529af BP |
834 | /* Basic life-cycle. */ |
835 | ||
c57b2226 BP |
836 | static int add_internal_flows(struct ofproto_dpif *); |
837 | ||
abe529af BP |
838 | static struct ofproto * |
839 | alloc(void) | |
840 | { | |
3da29e32 | 841 | struct ofproto_dpif *ofproto = xzalloc(sizeof *ofproto); |
abe529af BP |
842 | return &ofproto->up; |
843 | } | |
844 | ||
845 | static void | |
846 | dealloc(struct ofproto *ofproto_) | |
847 | { | |
848 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
849 | free(ofproto); | |
850 | } | |
851 | ||
acf60855 JP |
852 | static void |
853 | close_dpif_backer(struct dpif_backer *backer) | |
854 | { | |
cb22974d | 855 | ovs_assert(backer->refcount > 0); |
acf60855 JP |
856 | |
857 | if (--backer->refcount) { | |
858 | return; | |
859 | } | |
860 | ||
b395cf1f BP |
861 | udpif_destroy(backer->udpif); |
862 | ||
7d82ab2e | 863 | simap_destroy(&backer->tnl_backers); |
8449c4d6 | 864 | ovs_rwlock_destroy(&backer->odp_to_ofport_lock); |
acf60855 | 865 | hmap_destroy(&backer->odp_to_ofport_map); |
4f7cc3c7 | 866 | shash_find_and_delete(&all_dpif_backers, backer->type); |
acf60855 | 867 | free(backer->type); |
b5cbbcf6 | 868 | free(backer->dp_version_string); |
acf60855 | 869 | dpif_close(backer->dpif); |
acf60855 JP |
870 | free(backer); |
871 | } | |
872 | ||
873 | /* Datapath port slated for removal from datapath. */ | |
874 | struct odp_garbage { | |
ca6ba700 | 875 | struct ovs_list list_node; |
4e022ec0 | 876 | odp_port_t odp_port; |
acf60855 JP |
877 | }; |
878 | ||
4b97b70d | 879 | static bool check_variable_length_userdata(struct dpif_backer *backer); |
b440dd8c | 880 | static void check_support(struct dpif_backer *backer); |
4b97b70d | 881 | |
acf60855 JP |
882 | static int |
883 | open_dpif_backer(const char *type, struct dpif_backer **backerp) | |
884 | { | |
885 | struct dpif_backer *backer; | |
886 | struct dpif_port_dump port_dump; | |
887 | struct dpif_port port; | |
888 | struct shash_node *node; | |
ca6ba700 | 889 | struct ovs_list garbage_list; |
5f03c983 | 890 | struct odp_garbage *garbage; |
f5374617 | 891 | |
acf60855 JP |
892 | struct sset names; |
893 | char *backer_name; | |
894 | const char *name; | |
895 | int error; | |
896 | ||
e672ff9b JR |
897 | recirc_init(); |
898 | ||
acf60855 JP |
899 | backer = shash_find_data(&all_dpif_backers, type); |
900 | if (backer) { | |
901 | backer->refcount++; | |
902 | *backerp = backer; | |
903 | return 0; | |
904 | } | |
905 | ||
906 | backer_name = xasprintf("ovs-%s", type); | |
907 | ||
908 | /* Remove any existing datapaths, since we assume we're the only | |
909 | * userspace controlling the datapath. */ | |
910 | sset_init(&names); | |
911 | dp_enumerate_names(type, &names); | |
912 | SSET_FOR_EACH(name, &names) { | |
913 | struct dpif *old_dpif; | |
914 | ||
915 | /* Don't remove our backer if it exists. */ | |
916 | if (!strcmp(name, backer_name)) { | |
917 | continue; | |
918 | } | |
919 | ||
920 | if (dpif_open(name, type, &old_dpif)) { | |
921 | VLOG_WARN("couldn't open old datapath %s to remove it", name); | |
922 | } else { | |
923 | dpif_delete(old_dpif); | |
924 | dpif_close(old_dpif); | |
925 | } | |
926 | } | |
927 | sset_destroy(&names); | |
928 | ||
929 | backer = xmalloc(sizeof *backer); | |
930 | ||
931 | error = dpif_create_and_open(backer_name, type, &backer->dpif); | |
932 | free(backer_name); | |
933 | if (error) { | |
934 | VLOG_ERR("failed to open datapath of type %s: %s", type, | |
10a89ef0 | 935 | ovs_strerror(error)); |
4c1b1289 | 936 | free(backer); |
acf60855 JP |
937 | return error; |
938 | } | |
e1ec7dd4 | 939 | backer->udpif = udpif_create(backer, backer->dpif); |
acf60855 JP |
940 | |
941 | backer->type = xstrdup(type); | |
942 | backer->refcount = 1; | |
943 | hmap_init(&backer->odp_to_ofport_map); | |
8449c4d6 | 944 | ovs_rwlock_init(&backer->odp_to_ofport_lock); |
2cc3c58e | 945 | backer->need_revalidate = 0; |
7d82ab2e | 946 | simap_init(&backer->tnl_backers); |
40358701 | 947 | backer->recv_set_enable = !ofproto_get_flow_restore_wait(); |
acf60855 JP |
948 | *backerp = backer; |
949 | ||
40358701 GS |
950 | if (backer->recv_set_enable) { |
951 | dpif_flow_flush(backer->dpif); | |
952 | } | |
acf60855 JP |
953 | |
954 | /* Loop through the ports already on the datapath and remove any | |
955 | * that we don't need anymore. */ | |
956 | list_init(&garbage_list); | |
957 | dpif_port_dump_start(&port_dump, backer->dpif); | |
958 | while (dpif_port_dump_next(&port_dump, &port)) { | |
959 | node = shash_find(&init_ofp_ports, port.name); | |
960 | if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) { | |
961 | garbage = xmalloc(sizeof *garbage); | |
962 | garbage->odp_port = port.port_no; | |
963 | list_push_front(&garbage_list, &garbage->list_node); | |
964 | } | |
965 | } | |
966 | dpif_port_dump_done(&port_dump); | |
967 | ||
5f03c983 | 968 | LIST_FOR_EACH_POP (garbage, list_node, &garbage_list) { |
acf60855 | 969 | dpif_port_del(backer->dpif, garbage->odp_port); |
acf60855 JP |
970 | free(garbage); |
971 | } | |
972 | ||
973 | shash_add(&all_dpif_backers, type, backer); | |
974 | ||
b440dd8c | 975 | check_support(backer); |
a36de779 PS |
976 | atomic_count_init(&backer->tnl_count, 0); |
977 | ||
40358701 | 978 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); |
acf60855 JP |
979 | if (error) { |
980 | VLOG_ERR("failed to listen on datapath of type %s: %s", | |
10a89ef0 | 981 | type, ovs_strerror(error)); |
acf60855 JP |
982 | close_dpif_backer(backer); |
983 | return error; | |
984 | } | |
6567010f EJ |
985 | |
986 | if (backer->recv_set_enable) { | |
e79a6c83 | 987 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
6567010f | 988 | } |
acf60855 | 989 | |
48931b58 JR |
990 | /* This check fails if performed before udpif threads have been set, |
991 | * as the kernel module checks that the 'pid' in userspace action | |
992 | * is non-zero. */ | |
b440dd8c JS |
993 | backer->support.variable_length_userdata |
994 | = check_variable_length_userdata(backer); | |
b5cbbcf6 | 995 | backer->dp_version_string = dpif_get_dp_version(backer->dpif); |
48931b58 | 996 | |
acf60855 JP |
997 | return error; |
998 | } | |
999 | ||
a36de779 PS |
1000 | bool |
1001 | ovs_native_tunneling_is_on(struct ofproto_dpif *ofproto) | |
1002 | { | |
b440dd8c | 1003 | return ofproto_use_tnl_push_pop && ofproto->backer->support.tnl_push_pop && |
a36de779 PS |
1004 | atomic_count_get(&ofproto->backer->tnl_count); |
1005 | } | |
1006 | ||
9b2cb971 SH |
1007 | /* Tests whether 'backer''s datapath supports recirculation. Only newer |
1008 | * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some | |
1009 | * features on older datapaths that don't support this feature. | |
adcf00ba AZ |
1010 | * |
1011 | * Returns false if 'backer' definitely does not support recirculation, true if | |
1012 | * it seems to support recirculation or if at least the error we get is | |
1013 | * ambiguous. */ | |
1014 | static bool | |
1015 | check_recirc(struct dpif_backer *backer) | |
1016 | { | |
1017 | struct flow flow; | |
1018 | struct odputil_keybuf keybuf; | |
1019 | struct ofpbuf key; | |
2c85851f | 1020 | bool enable_recirc; |
5262eea1 JG |
1021 | struct odp_flow_key_parms odp_parms = { |
1022 | .flow = &flow, | |
2494ccd7 JS |
1023 | .support = { |
1024 | .recirc = true, | |
1025 | }, | |
5262eea1 | 1026 | }; |
adcf00ba AZ |
1027 | |
1028 | memset(&flow, 0, sizeof flow); | |
1029 | flow.recirc_id = 1; | |
1030 | flow.dp_hash = 1; | |
1031 | ||
1032 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
5262eea1 | 1033 | odp_flow_key_from_flow(&odp_parms, &key); |
2c85851f JS |
1034 | enable_recirc = dpif_probe_feature(backer->dpif, "recirculation", &key, |
1035 | NULL); | |
adcf00ba | 1036 | |
adcf00ba AZ |
1037 | if (enable_recirc) { |
1038 | VLOG_INFO("%s: Datapath supports recirculation", | |
1039 | dpif_name(backer->dpif)); | |
1040 | } else { | |
1041 | VLOG_INFO("%s: Datapath does not support recirculation", | |
1042 | dpif_name(backer->dpif)); | |
1043 | } | |
1044 | ||
1045 | return enable_recirc; | |
1046 | } | |
1047 | ||
7915c9d6 | 1048 | /* Tests whether 'dpif' supports unique flow ids. We can skip serializing |
8e1ffd75 JS |
1049 | * some flow attributes for datapaths that support this feature. |
1050 | * | |
1051 | * Returns true if 'dpif' supports UFID for flow operations. | |
1052 | * Returns false if 'dpif' does not support UFID. */ | |
1053 | static bool | |
1054 | check_ufid(struct dpif_backer *backer) | |
1055 | { | |
1056 | struct flow flow; | |
1057 | struct odputil_keybuf keybuf; | |
1058 | struct ofpbuf key; | |
1059 | ovs_u128 ufid; | |
1060 | bool enable_ufid; | |
5262eea1 JG |
1061 | struct odp_flow_key_parms odp_parms = { |
1062 | .flow = &flow, | |
1063 | }; | |
8e1ffd75 JS |
1064 | |
1065 | memset(&flow, 0, sizeof flow); | |
1066 | flow.dl_type = htons(0x1234); | |
1067 | ||
1068 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
5262eea1 | 1069 | odp_flow_key_from_flow(&odp_parms, &key); |
6fd6ed71 | 1070 | dpif_flow_hash(backer->dpif, key.data, key.size, &ufid); |
8e1ffd75 JS |
1071 | |
1072 | enable_ufid = dpif_probe_feature(backer->dpif, "UFID", &key, &ufid); | |
1073 | ||
1074 | if (enable_ufid) { | |
7915c9d6 | 1075 | VLOG_INFO("%s: Datapath supports unique flow ids", |
8e1ffd75 JS |
1076 | dpif_name(backer->dpif)); |
1077 | } else { | |
7915c9d6 | 1078 | VLOG_INFO("%s: Datapath does not support unique flow ids", |
8e1ffd75 JS |
1079 | dpif_name(backer->dpif)); |
1080 | } | |
1081 | return enable_ufid; | |
1082 | } | |
1083 | ||
4b97b70d BP |
1084 | /* Tests whether 'backer''s datapath supports variable-length |
1085 | * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need | |
1086 | * to disable some features on older datapaths that don't support this | |
1087 | * feature. | |
1088 | * | |
1089 | * Returns false if 'backer' definitely does not support variable-length | |
1090 | * userdata, true if it seems to support them or if at least the error we get | |
1091 | * is ambiguous. */ | |
1092 | static bool | |
1093 | check_variable_length_userdata(struct dpif_backer *backer) | |
1094 | { | |
1095 | struct eth_header *eth; | |
1096 | struct ofpbuf actions; | |
758c456d | 1097 | struct dpif_execute execute; |
cf62fa4c | 1098 | struct dp_packet packet; |
4b97b70d BP |
1099 | size_t start; |
1100 | int error; | |
1101 | ||
1102 | /* Compose a userspace action that will cause an ERANGE error on older | |
1103 | * datapaths that don't support variable-length userdata. | |
1104 | * | |
1105 | * We really test for using userdata longer than 8 bytes, but older | |
1106 | * datapaths accepted these, silently truncating the userdata to 8 bytes. | |
1107 | * The same older datapaths rejected userdata shorter than 8 bytes, so we | |
1108 | * test for that instead as a proxy for longer userdata support. */ | |
1109 | ofpbuf_init(&actions, 64); | |
1110 | start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE); | |
1111 | nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID, | |
1954e6bb | 1112 | dpif_port_get_pid(backer->dpif, ODPP_NONE, 0)); |
4b97b70d BP |
1113 | nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4); |
1114 | nl_msg_end_nested(&actions, start); | |
1115 | ||
758c456d | 1116 | /* Compose a dummy ethernet packet. */ |
cf62fa4c PS |
1117 | dp_packet_init(&packet, ETH_HEADER_LEN); |
1118 | eth = dp_packet_put_zeros(&packet, ETH_HEADER_LEN); | |
4b97b70d BP |
1119 | eth->eth_type = htons(0x1234); |
1120 | ||
758c456d | 1121 | /* Execute the actions. On older datapaths this fails with ERANGE, on |
4b97b70d | 1122 | * newer datapaths it succeeds. */ |
6fd6ed71 PS |
1123 | execute.actions = actions.data; |
1124 | execute.actions_len = actions.size; | |
758c456d | 1125 | execute.packet = &packet; |
758c456d | 1126 | execute.needs_help = false; |
43f9ac0a | 1127 | execute.probe = true; |
27130224 | 1128 | execute.mtu = 0; |
758c456d JR |
1129 | |
1130 | error = dpif_execute(backer->dpif, &execute); | |
4b97b70d | 1131 | |
cf62fa4c | 1132 | dp_packet_uninit(&packet); |
4b97b70d BP |
1133 | ofpbuf_uninit(&actions); |
1134 | ||
1135 | switch (error) { | |
1136 | case 0: | |
4b97b70d BP |
1137 | return true; |
1138 | ||
1139 | case ERANGE: | |
1140 | /* Variable-length userdata is not supported. */ | |
1141 | VLOG_WARN("%s: datapath does not support variable-length userdata " | |
1142 | "feature (needs Linux 3.10+ or kernel module from OVS " | |
1143 | "1..11+). The NXAST_SAMPLE action will be ignored.", | |
1144 | dpif_name(backer->dpif)); | |
1145 | return false; | |
1146 | ||
1147 | default: | |
1148 | /* Something odd happened. We're not sure whether variable-length | |
1149 | * userdata is supported. Default to "yes". */ | |
1150 | VLOG_WARN("%s: variable-length userdata feature probe failed (%s)", | |
1151 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1152 | return true; | |
1153 | } | |
1154 | } | |
1155 | ||
8bfd0fda BP |
1156 | /* Tests the MPLS label stack depth supported by 'backer''s datapath. |
1157 | * | |
1158 | * Returns the number of elements in a struct flow's mpls_lse field | |
1159 | * if the datapath supports at least that many entries in an | |
1160 | * MPLS label stack. | |
1161 | * Otherwise returns the number of MPLS push actions supported by | |
1162 | * the datapath. */ | |
1163 | static size_t | |
1164 | check_max_mpls_depth(struct dpif_backer *backer) | |
1165 | { | |
1166 | struct flow flow; | |
1167 | int n; | |
1168 | ||
1169 | for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) { | |
1170 | struct odputil_keybuf keybuf; | |
1171 | struct ofpbuf key; | |
5262eea1 JG |
1172 | struct odp_flow_key_parms odp_parms = { |
1173 | .flow = &flow, | |
1174 | }; | |
8bfd0fda BP |
1175 | |
1176 | memset(&flow, 0, sizeof flow); | |
1177 | flow.dl_type = htons(ETH_TYPE_MPLS); | |
1178 | flow_set_mpls_bos(&flow, n, 1); | |
1179 | ||
1180 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
5262eea1 | 1181 | odp_flow_key_from_flow(&odp_parms, &key); |
2c85851f | 1182 | if (!dpif_probe_feature(backer->dpif, "MPLS", &key, NULL)) { |
8bfd0fda BP |
1183 | break; |
1184 | } | |
8bfd0fda BP |
1185 | } |
1186 | ||
1187 | VLOG_INFO("%s: MPLS label stack length probed as %d", | |
1188 | dpif_name(backer->dpif), n); | |
1189 | return n; | |
1190 | } | |
1191 | ||
53477c2c JR |
1192 | /* Tests whether 'backer''s datapath supports masked data in |
1193 | * OVS_ACTION_ATTR_SET actions. We need to disable some features on older | |
1194 | * datapaths that don't support this feature. */ | |
1195 | static bool | |
1196 | check_masked_set_action(struct dpif_backer *backer) | |
1197 | { | |
1198 | struct eth_header *eth; | |
1199 | struct ofpbuf actions; | |
1200 | struct dpif_execute execute; | |
cf62fa4c | 1201 | struct dp_packet packet; |
53477c2c JR |
1202 | int error; |
1203 | struct ovs_key_ethernet key, mask; | |
1204 | ||
1205 | /* Compose a set action that will cause an EINVAL error on older | |
1206 | * datapaths that don't support masked set actions. | |
1207 | * Avoid using a full mask, as it could be translated to a non-masked | |
1208 | * set action instead. */ | |
1209 | ofpbuf_init(&actions, 64); | |
1210 | memset(&key, 0x53, sizeof key); | |
1211 | memset(&mask, 0x7f, sizeof mask); | |
1212 | commit_masked_set_action(&actions, OVS_KEY_ATTR_ETHERNET, &key, &mask, | |
1213 | sizeof key); | |
1214 | ||
1215 | /* Compose a dummy ethernet packet. */ | |
cf62fa4c PS |
1216 | dp_packet_init(&packet, ETH_HEADER_LEN); |
1217 | eth = dp_packet_put_zeros(&packet, ETH_HEADER_LEN); | |
53477c2c JR |
1218 | eth->eth_type = htons(0x1234); |
1219 | ||
1220 | /* Execute the actions. On older datapaths this fails with EINVAL, on | |
1221 | * newer datapaths it succeeds. */ | |
6fd6ed71 PS |
1222 | execute.actions = actions.data; |
1223 | execute.actions_len = actions.size; | |
53477c2c | 1224 | execute.packet = &packet; |
53477c2c | 1225 | execute.needs_help = false; |
43f9ac0a | 1226 | execute.probe = true; |
27130224 | 1227 | execute.mtu = 0; |
53477c2c JR |
1228 | |
1229 | error = dpif_execute(backer->dpif, &execute); | |
1230 | ||
cf62fa4c | 1231 | dp_packet_uninit(&packet); |
53477c2c JR |
1232 | ofpbuf_uninit(&actions); |
1233 | ||
1234 | if (error) { | |
1235 | /* Masked set action is not supported. */ | |
1236 | VLOG_INFO("%s: datapath does not support masked set action feature.", | |
1237 | dpif_name(backer->dpif)); | |
1238 | } | |
1239 | return !error; | |
1240 | } | |
1241 | ||
7b27258c | 1242 | #define CHECK_FEATURE__(NAME, SUPPORT, FIELD, VALUE) \ |
07659514 JS |
1243 | static bool \ |
1244 | check_##NAME(struct dpif_backer *backer) \ | |
1245 | { \ | |
1246 | struct flow flow; \ | |
1247 | struct odputil_keybuf keybuf; \ | |
1248 | struct ofpbuf key; \ | |
1249 | bool enable; \ | |
1250 | struct odp_flow_key_parms odp_parms = { \ | |
1251 | .flow = &flow, \ | |
1252 | .support = { \ | |
7b27258c | 1253 | .SUPPORT = true, \ |
07659514 JS |
1254 | }, \ |
1255 | }; \ | |
1256 | \ | |
1257 | memset(&flow, 0, sizeof flow); \ | |
7b27258c | 1258 | flow.FIELD = VALUE; \ |
07659514 JS |
1259 | \ |
1260 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); \ | |
1261 | odp_flow_key_from_flow(&odp_parms, &key); \ | |
1262 | enable = dpif_probe_feature(backer->dpif, #NAME, &key, NULL); \ | |
1263 | \ | |
1264 | if (enable) { \ | |
1265 | VLOG_INFO("%s: Datapath supports "#NAME, dpif_name(backer->dpif)); \ | |
1266 | } else { \ | |
1267 | VLOG_INFO("%s: Datapath does not support "#NAME, \ | |
1268 | dpif_name(backer->dpif)); \ | |
1269 | } \ | |
1270 | \ | |
1271 | return enable; \ | |
1272 | } | |
7b27258c | 1273 | #define CHECK_FEATURE(FIELD) CHECK_FEATURE__(FIELD, FIELD, FIELD, 1) |
07659514 JS |
1274 | |
1275 | CHECK_FEATURE(ct_state) | |
1276 | CHECK_FEATURE(ct_zone) | |
8e53fe8c | 1277 | CHECK_FEATURE(ct_mark) |
7b27258c DDP |
1278 | CHECK_FEATURE__(ct_label, ct_label, ct_label.u64.lo, 1) |
1279 | CHECK_FEATURE__(ct_state_nat, ct_state, ct_state, CS_TRACKED|CS_SRC_NAT) | |
07659514 JS |
1280 | |
1281 | #undef CHECK_FEATURE | |
1282 | #undef CHECK_FEATURE__ | |
1283 | ||
b440dd8c JS |
1284 | static void |
1285 | check_support(struct dpif_backer *backer) | |
1286 | { | |
1287 | /* This feature needs to be tested after udpif threads are set. */ | |
1288 | backer->support.variable_length_userdata = false; | |
1289 | ||
2494ccd7 JS |
1290 | backer->support.odp.recirc = check_recirc(backer); |
1291 | backer->support.odp.max_mpls_depth = check_max_mpls_depth(backer); | |
b440dd8c JS |
1292 | backer->support.masked_set_action = check_masked_set_action(backer); |
1293 | backer->support.ufid = check_ufid(backer); | |
1294 | backer->support.tnl_push_pop = dpif_supports_tnl_push_pop(backer->dpif); | |
07659514 JS |
1295 | |
1296 | backer->support.odp.ct_state = check_ct_state(backer); | |
1297 | backer->support.odp.ct_zone = check_ct_zone(backer); | |
8e53fe8c | 1298 | backer->support.odp.ct_mark = check_ct_mark(backer); |
9daf2348 | 1299 | backer->support.odp.ct_label = check_ct_label(backer); |
7b27258c DDP |
1300 | |
1301 | backer->support.odp.ct_state_nat = check_ct_state_nat(backer); | |
b440dd8c JS |
1302 | } |
1303 | ||
abe529af | 1304 | static int |
0f5f95a9 | 1305 | construct(struct ofproto *ofproto_) |
abe529af BP |
1306 | { |
1307 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 1308 | struct shash_node *node, *next; |
abe529af | 1309 | int error; |
abe529af | 1310 | |
4d9226a7 JR |
1311 | /* Tunnel module can get used right after the udpif threads are running. */ |
1312 | ofproto_tunnel_init(); | |
1313 | ||
acf60855 | 1314 | error = open_dpif_backer(ofproto->up.type, &ofproto->backer); |
abe529af | 1315 | if (error) { |
abe529af BP |
1316 | return error; |
1317 | } | |
1318 | ||
290835f9 | 1319 | uuid_generate(&ofproto->uuid); |
621b8064 | 1320 | atomic_init(&ofproto->tables_version, CLS_MIN_VERSION); |
abe529af BP |
1321 | ofproto->netflow = NULL; |
1322 | ofproto->sflow = NULL; | |
29089a54 | 1323 | ofproto->ipfix = NULL; |
21f7563c | 1324 | ofproto->stp = NULL; |
9efd308e | 1325 | ofproto->rstp = NULL; |
e79a6c83 | 1326 | ofproto->dump_seq = 0; |
abe529af | 1327 | hmap_init(&ofproto->bundles); |
e764773c | 1328 | ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME); |
6d95c4e8 | 1329 | ofproto->ms = NULL; |
ec7ceaed | 1330 | ofproto->mbridge = mbridge_create(); |
abe529af | 1331 | ofproto->has_bonded_bundles = false; |
e2d13c43 | 1332 | ofproto->lacp_enabled = false; |
97ba2d36 | 1333 | ovs_mutex_init_adaptive(&ofproto->stats_mutex); |
834d6caf | 1334 | ovs_mutex_init(&ofproto->vsp_mutex); |
abe529af | 1335 | |
a2b53dec | 1336 | guarded_list_init(&ofproto->ams); |
ada3a58d | 1337 | |
52a90c29 BP |
1338 | hmap_init(&ofproto->vlandev_map); |
1339 | hmap_init(&ofproto->realdev_vid_map); | |
1340 | ||
acf60855 | 1341 | sset_init(&ofproto->ports); |
0a740f48 | 1342 | sset_init(&ofproto->ghost_ports); |
acf60855 JP |
1343 | sset_init(&ofproto->port_poll_set); |
1344 | ofproto->port_poll_errno = 0; | |
f23d157c | 1345 | ofproto->change_seq = 0; |
a2b53dec BP |
1346 | ofproto->ams_seq = seq_create(); |
1347 | ofproto->ams_seqno = seq_read(ofproto->ams_seq); | |
cfc50ae5 | 1348 | |
acf60855 JP |
1349 | |
1350 | SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) { | |
4f9e08a5 | 1351 | struct iface_hint *iface_hint = node->data; |
acf60855 JP |
1352 | |
1353 | if (!strcmp(iface_hint->br_name, ofproto->up.name)) { | |
1354 | /* Check if the datapath already has this port. */ | |
1355 | if (dpif_port_exists(ofproto->backer->dpif, node->name)) { | |
1356 | sset_add(&ofproto->ports, node->name); | |
1357 | } | |
1358 | ||
1359 | free(iface_hint->br_name); | |
1360 | free(iface_hint->br_type); | |
4f9e08a5 | 1361 | free(iface_hint); |
acf60855 JP |
1362 | shash_delete(&init_ofp_ports, node); |
1363 | } | |
1364 | } | |
e1b1d06a | 1365 | |
b44a10b7 BP |
1366 | hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node, |
1367 | hash_string(ofproto->up.name, 0)); | |
6527c598 | 1368 | memset(&ofproto->stats, 0, sizeof ofproto->stats); |
0f5f95a9 BP |
1369 | |
1370 | ofproto_init_tables(ofproto_, N_TABLES); | |
c57b2226 | 1371 | error = add_internal_flows(ofproto); |
adcf00ba | 1372 | |
c57b2226 BP |
1373 | ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY; |
1374 | ||
1375 | return error; | |
1376 | } | |
1377 | ||
1378 | static int | |
adcf00ba | 1379 | add_internal_miss_flow(struct ofproto_dpif *ofproto, int id, |
f25d0cf3 | 1380 | const struct ofpbuf *ofpacts, struct rule_dpif **rulep) |
c57b2226 | 1381 | { |
adcf00ba | 1382 | struct match match; |
c57b2226 | 1383 | int error; |
adcf00ba | 1384 | struct rule *rule; |
c57b2226 | 1385 | |
adcf00ba AZ |
1386 | match_init_catchall(&match); |
1387 | match_set_reg(&match, 0, id); | |
c57b2226 | 1388 | |
290ad78a SH |
1389 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, 0, ofpacts, |
1390 | &rule); | |
adcf00ba | 1391 | *rulep = error ? NULL : rule_dpif_cast(rule); |
0f5f95a9 | 1392 | |
adcf00ba | 1393 | return error; |
abe529af BP |
1394 | } |
1395 | ||
c57b2226 BP |
1396 | static int |
1397 | add_internal_flows(struct ofproto_dpif *ofproto) | |
1398 | { | |
f25d0cf3 BP |
1399 | struct ofpact_controller *controller; |
1400 | uint64_t ofpacts_stub[128 / 8]; | |
1401 | struct ofpbuf ofpacts; | |
adcf00ba | 1402 | struct rule *unused_rulep OVS_UNUSED; |
adcf00ba | 1403 | struct match match; |
c57b2226 BP |
1404 | int error; |
1405 | int id; | |
1406 | ||
f25d0cf3 | 1407 | ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub); |
c57b2226 BP |
1408 | id = 1; |
1409 | ||
f25d0cf3 BP |
1410 | controller = ofpact_put_CONTROLLER(&ofpacts); |
1411 | controller->max_len = UINT16_MAX; | |
1412 | controller->controller_id = 0; | |
9bfe9334 | 1413 | controller->reason = OFPR_IMPLICIT_MISS; |
ebe12cd3 | 1414 | controller = ofpact_finish(&ofpacts, &controller->ofpact); |
f25d0cf3 | 1415 | |
adcf00ba AZ |
1416 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
1417 | &ofproto->miss_rule); | |
c57b2226 BP |
1418 | if (error) { |
1419 | return error; | |
1420 | } | |
1421 | ||
f25d0cf3 | 1422 | ofpbuf_clear(&ofpacts); |
adcf00ba | 1423 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
dbb7c28f | 1424 | &ofproto->no_packet_in_rule); |
7fd51d39 BP |
1425 | if (error) { |
1426 | return error; | |
1427 | } | |
1428 | ||
adcf00ba | 1429 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
dbb7c28f | 1430 | &ofproto->drop_frags_rule); |
adcf00ba AZ |
1431 | if (error) { |
1432 | return error; | |
1433 | } | |
1434 | ||
0c7812e5 AW |
1435 | /* Drop any run away non-recirc rule lookups. Recirc_id has to be |
1436 | * zero when reaching this rule. | |
adcf00ba | 1437 | * |
0c7812e5 | 1438 | * (priority=2), recirc_id=0, actions=drop |
adcf00ba | 1439 | */ |
0c7812e5 | 1440 | ofpbuf_clear(&ofpacts); |
adcf00ba AZ |
1441 | match_init_catchall(&match); |
1442 | match_set_recirc_id(&match, 0); | |
290ad78a | 1443 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, 0, &ofpacts, |
adcf00ba | 1444 | &unused_rulep); |
c57b2226 BP |
1445 | return error; |
1446 | } | |
1447 | ||
abe529af BP |
1448 | static void |
1449 | destruct(struct ofproto *ofproto_) | |
1450 | { | |
1451 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
a2b53dec | 1452 | struct ofproto_async_msg *am; |
78c8df12 | 1453 | struct rule_dpif *rule; |
d0918789 | 1454 | struct oftable *table; |
a2b53dec | 1455 | struct ovs_list ams; |
abe529af | 1456 | |
875b94ed | 1457 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
84f0f298 | 1458 | xlate_txn_start(); |
46c88433 | 1459 | xlate_remove_ofproto(ofproto); |
84f0f298 | 1460 | xlate_txn_commit(); |
46c88433 | 1461 | |
3f142f59 BP |
1462 | /* Ensure that the upcall processing threads have no remaining references |
1463 | * to the ofproto or anything in it. */ | |
1464 | udpif_synchronize(ofproto->backer->udpif); | |
1fe409d5 | 1465 | |
b44a10b7 | 1466 | hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node); |
7ee20df1 | 1467 | |
0697b5c3 | 1468 | OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) { |
de4ad4a2 | 1469 | CLS_FOR_EACH (rule, up.cr, &table->cls) { |
8b81d1ef | 1470 | ofproto_rule_delete(&ofproto->up, &rule->up); |
0697b5c3 | 1471 | } |
7ee20df1 | 1472 | } |
daab0ae6 | 1473 | ofproto_group_delete_all(&ofproto->up); |
7ee20df1 | 1474 | |
a2b53dec BP |
1475 | guarded_list_pop_all(&ofproto->ams, &ams); |
1476 | LIST_FOR_EACH_POP (am, list_node, &ams) { | |
1477 | ofproto_async_msg_free(am); | |
ada3a58d | 1478 | } |
a2b53dec | 1479 | guarded_list_destroy(&ofproto->ams); |
ada3a58d | 1480 | |
e672ff9b | 1481 | recirc_free_ofproto(ofproto, ofproto->up.name); |
f9038ef6 | 1482 | |
ec7ceaed | 1483 | mbridge_unref(ofproto->mbridge); |
abe529af | 1484 | |
8e407f27 | 1485 | netflow_unref(ofproto->netflow); |
9723bcce | 1486 | dpif_sflow_unref(ofproto->sflow); |
8b7ea2d4 | 1487 | dpif_ipfix_unref(ofproto->ipfix); |
abe529af | 1488 | hmap_destroy(&ofproto->bundles); |
5d989517 | 1489 | mac_learning_unref(ofproto->ml); |
6d95c4e8 | 1490 | mcast_snooping_unref(ofproto->ms); |
abe529af | 1491 | |
52a90c29 BP |
1492 | hmap_destroy(&ofproto->vlandev_map); |
1493 | hmap_destroy(&ofproto->realdev_vid_map); | |
1494 | ||
acf60855 | 1495 | sset_destroy(&ofproto->ports); |
0a740f48 | 1496 | sset_destroy(&ofproto->ghost_ports); |
acf60855 | 1497 | sset_destroy(&ofproto->port_poll_set); |
e1b1d06a | 1498 | |
0da3c61b | 1499 | ovs_mutex_destroy(&ofproto->stats_mutex); |
13501305 EJ |
1500 | ovs_mutex_destroy(&ofproto->vsp_mutex); |
1501 | ||
a2b53dec | 1502 | seq_destroy(ofproto->ams_seq); |
cfc50ae5 | 1503 | |
acf60855 | 1504 | close_dpif_backer(ofproto->backer); |
abe529af BP |
1505 | } |
1506 | ||
5fcc0d00 BP |
1507 | static int |
1508 | run(struct ofproto *ofproto_) | |
1509 | { | |
1510 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
e79a6c83 | 1511 | uint64_t new_seq, new_dump_seq; |
5fcc0d00 | 1512 | |
ec7ceaed EJ |
1513 | if (mbridge_need_revalidate(ofproto->mbridge)) { |
1514 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
509c0149 | 1515 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 1516 | mac_learning_flush(ofproto->ml); |
509c0149 | 1517 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 1518 | mcast_snooping_mdb_flush(ofproto->ms); |
ec7ceaed EJ |
1519 | } |
1520 | ||
a2b53dec | 1521 | /* Always updates the ofproto->ams_seqno to avoid frequent wakeup during |
b53d5c33 | 1522 | * flow restore. Even though nothing is processed during flow restore, |
a2b53dec | 1523 | * all queued 'ams' will be handled immediately when flow restore |
b53d5c33 | 1524 | * completes. */ |
a2b53dec | 1525 | ofproto->ams_seqno = seq_read(ofproto->ams_seq); |
b53d5c33 | 1526 | |
a6b7506d | 1527 | /* Do not perform any periodic activity required by 'ofproto' while |
40358701 | 1528 | * waiting for flow restore to complete. */ |
a6b7506d | 1529 | if (!ofproto_get_flow_restore_wait()) { |
a2b53dec BP |
1530 | struct ofproto_async_msg *am; |
1531 | struct ovs_list ams; | |
1532 | ||
1533 | guarded_list_pop_all(&ofproto->ams, &ams); | |
1534 | LIST_FOR_EACH_POP (am, list_node, &ams) { | |
1535 | connmgr_send_async_msg(ofproto->up.connmgr, am); | |
1536 | ofproto_async_msg_free(am); | |
a6b7506d | 1537 | } |
abe529af BP |
1538 | } |
1539 | ||
abe529af | 1540 | if (ofproto->netflow) { |
8bfaca5b | 1541 | netflow_run(ofproto->netflow); |
abe529af BP |
1542 | } |
1543 | if (ofproto->sflow) { | |
bae473fe | 1544 | dpif_sflow_run(ofproto->sflow); |
abe529af | 1545 | } |
978427a5 RL |
1546 | if (ofproto->ipfix) { |
1547 | dpif_ipfix_run(ofproto->ipfix); | |
1548 | } | |
abe529af | 1549 | |
f23d157c JS |
1550 | new_seq = seq_read(connectivity_seq_get()); |
1551 | if (ofproto->change_seq != new_seq) { | |
1552 | struct ofport_dpif *ofport; | |
1553 | ||
1554 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
1555 | port_run(ofport); | |
1556 | } | |
1557 | ||
1558 | ofproto->change_seq = new_seq; | |
abe529af | 1559 | } |
e2d13c43 JS |
1560 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1561 | struct ofbundle *bundle; | |
1562 | ||
1563 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1564 | bundle_run(bundle); | |
1565 | } | |
abe529af BP |
1566 | } |
1567 | ||
21f7563c | 1568 | stp_run(ofproto); |
9efd308e | 1569 | rstp_run(ofproto); |
509c0149 | 1570 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 EJ |
1571 | if (mac_learning_run(ofproto->ml)) { |
1572 | ofproto->backer->need_revalidate = REV_MAC_LEARNING; | |
1573 | } | |
509c0149 | 1574 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 1575 | |
6d95c4e8 FL |
1576 | if (mcast_snooping_run(ofproto->ms)) { |
1577 | ofproto->backer->need_revalidate = REV_MCAST_SNOOPING; | |
1578 | } | |
1579 | ||
e79a6c83 EJ |
1580 | new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif)); |
1581 | if (ofproto->dump_seq != new_dump_seq) { | |
1582 | struct rule *rule, *next_rule; | |
1583 | ||
1584 | /* We know stats are relatively fresh, so now is a good time to do some | |
1585 | * periodic work. */ | |
1586 | ofproto->dump_seq = new_dump_seq; | |
1587 | ||
1588 | /* Expire OpenFlow flows whose idle_timeout or hard_timeout | |
1589 | * has passed. */ | |
1590 | ovs_mutex_lock(&ofproto_mutex); | |
1591 | LIST_FOR_EACH_SAFE (rule, next_rule, expirable, | |
1592 | &ofproto->up.expirable) { | |
1593 | rule_expire(rule_dpif_cast(rule)); | |
1594 | } | |
1595 | ovs_mutex_unlock(&ofproto_mutex); | |
1596 | ||
1597 | /* All outstanding data in existing flows has been accounted, so it's a | |
1598 | * good time to do bond rebalancing. */ | |
60cda7d6 | 1599 | if (ofproto->has_bonded_bundles) { |
e79a6c83 EJ |
1600 | struct ofbundle *bundle; |
1601 | ||
1602 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
60cda7d6 AZ |
1603 | if (bundle->bond) { |
1604 | bond_rebalance(bundle->bond); | |
e79a6c83 EJ |
1605 | } |
1606 | } | |
6814e51f BP |
1607 | } |
1608 | } | |
abe529af BP |
1609 | return 0; |
1610 | } | |
1611 | ||
1612 | static void | |
f07c97f5 | 1613 | ofproto_dpif_wait(struct ofproto *ofproto_) |
abe529af BP |
1614 | { |
1615 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
abe529af | 1616 | |
40358701 GS |
1617 | if (ofproto_get_flow_restore_wait()) { |
1618 | return; | |
1619 | } | |
1620 | ||
abe529af | 1621 | if (ofproto->sflow) { |
bae473fe | 1622 | dpif_sflow_wait(ofproto->sflow); |
abe529af | 1623 | } |
978427a5 RL |
1624 | if (ofproto->ipfix) { |
1625 | dpif_ipfix_wait(ofproto->ipfix); | |
1626 | } | |
e2d13c43 JS |
1627 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1628 | struct ofbundle *bundle; | |
1629 | ||
1630 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1631 | bundle_wait(bundle); | |
1632 | } | |
abe529af | 1633 | } |
6fca1ffb BP |
1634 | if (ofproto->netflow) { |
1635 | netflow_wait(ofproto->netflow); | |
1636 | } | |
509c0149 | 1637 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
1c313b88 | 1638 | mac_learning_wait(ofproto->ml); |
509c0149 | 1639 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 1640 | mcast_snooping_wait(ofproto->ms); |
21f7563c | 1641 | stp_wait(ofproto); |
2cc3c58e | 1642 | if (ofproto->backer->need_revalidate) { |
abe529af | 1643 | poll_immediate_wake(); |
abe529af | 1644 | } |
abe529af | 1645 | |
e79a6c83 | 1646 | seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq); |
a2b53dec | 1647 | seq_wait(ofproto->ams_seq, ofproto->ams_seqno); |
0d085684 BP |
1648 | } |
1649 | ||
1c030aa5 EJ |
1650 | static void |
1651 | type_get_memory_usage(const char *type, struct simap *usage) | |
1652 | { | |
1653 | struct dpif_backer *backer; | |
1654 | ||
1655 | backer = shash_find_data(&all_dpif_backers, type); | |
1656 | if (backer) { | |
1657 | udpif_get_memory_usage(backer->udpif, usage); | |
1658 | } | |
1659 | } | |
1660 | ||
abe529af | 1661 | static void |
1b5b5071 | 1662 | flush(struct ofproto *ofproto_) |
abe529af | 1663 | { |
1b5b5071 AZ |
1664 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
1665 | struct dpif_backer *backer = ofproto->backer; | |
1666 | ||
1667 | if (backer) { | |
1668 | udpif_flush(backer->udpif); | |
1669 | } | |
abe529af BP |
1670 | } |
1671 | ||
6c1491fb | 1672 | static void |
3c1bb396 BP |
1673 | query_tables(struct ofproto *ofproto, |
1674 | struct ofputil_table_features *features, | |
1675 | struct ofputil_table_stats *stats) | |
6c1491fb | 1676 | { |
3c1bb396 | 1677 | strcpy(features->name, "classifier"); |
6c1491fb | 1678 | |
3c1bb396 BP |
1679 | if (stats) { |
1680 | int i; | |
6c1491fb | 1681 | |
3c1bb396 BP |
1682 | for (i = 0; i < ofproto->n_tables; i++) { |
1683 | unsigned long missed, matched; | |
d611866c | 1684 | |
afcea9ea JR |
1685 | atomic_read_relaxed(&ofproto->tables[i].n_matched, &matched); |
1686 | atomic_read_relaxed(&ofproto->tables[i].n_missed, &missed); | |
1687 | ||
3c1bb396 | 1688 | stats[i].matched_count = matched; |
3c1bb396 BP |
1689 | stats[i].lookup_count = matched + missed; |
1690 | } | |
d611866c | 1691 | } |
6c1491fb BP |
1692 | } |
1693 | ||
621b8064 | 1694 | static void |
18721c4a | 1695 | set_tables_version(struct ofproto *ofproto_, cls_version_t version) |
621b8064 JR |
1696 | { |
1697 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1698 | ||
1699 | atomic_store_relaxed(&ofproto->tables_version, version); | |
1700 | } | |
1701 | ||
1702 | ||
abe529af BP |
1703 | static struct ofport * |
1704 | port_alloc(void) | |
1705 | { | |
3da29e32 | 1706 | struct ofport_dpif *port = xzalloc(sizeof *port); |
abe529af BP |
1707 | return &port->up; |
1708 | } | |
1709 | ||
1710 | static void | |
1711 | port_dealloc(struct ofport *port_) | |
1712 | { | |
1713 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1714 | free(port); | |
1715 | } | |
1716 | ||
1717 | static int | |
1718 | port_construct(struct ofport *port_) | |
1719 | { | |
1720 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1721 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
b9ad7294 | 1722 | const struct netdev *netdev = port->up.netdev; |
3aa30359 | 1723 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
6d9e94b5 | 1724 | const char *dp_port_name; |
e1b1d06a JP |
1725 | struct dpif_port dpif_port; |
1726 | int error; | |
abe529af | 1727 | |
2cc3c58e | 1728 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
1729 | port->bundle = NULL; |
1730 | port->cfm = NULL; | |
ccc09689 | 1731 | port->bfd = NULL; |
0477baa9 | 1732 | port->lldp = NULL; |
f025bcb7 | 1733 | port->may_enable = false; |
21f7563c JP |
1734 | port->stp_port = NULL; |
1735 | port->stp_state = STP_DISABLED; | |
9efd308e DV |
1736 | port->rstp_port = NULL; |
1737 | port->rstp_state = RSTP_DISABLED; | |
42943cde | 1738 | port->is_tunnel = false; |
6cbbf4fa | 1739 | port->peer = NULL; |
55954f6e EJ |
1740 | port->qdscp = NULL; |
1741 | port->n_qdscp = 0; | |
52a90c29 BP |
1742 | port->realdev_ofp_port = 0; |
1743 | port->vlandev_vid = 0; | |
b9ad7294 | 1744 | port->carrier_seq = netdev_get_carrier_resets(netdev); |
a6363cfd | 1745 | port->is_layer3 = netdev_vport_is_layer3(netdev); |
abe529af | 1746 | |
b9ad7294 | 1747 | if (netdev_vport_is_patch(netdev)) { |
743cea45 | 1748 | /* By bailing out here, we don't submit the port to the sFlow module |
185b4e3a MG |
1749 | * to be considered for counter polling export. This is correct |
1750 | * because the patch port represents an interface that sFlow considers | |
1751 | * to be "internal" to the switch as a whole, and therefore not a | |
1752 | * candidate for counter polling. */ | |
4e022ec0 | 1753 | port->odp_port = ODPP_NONE; |
6cbbf4fa | 1754 | ofport_update_peer(port); |
0a740f48 EJ |
1755 | return 0; |
1756 | } | |
1757 | ||
6d9e94b5 AZ |
1758 | dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf); |
1759 | error = dpif_port_query_by_name(ofproto->backer->dpif, dp_port_name, | |
e1b1d06a JP |
1760 | &dpif_port); |
1761 | if (error) { | |
1762 | return error; | |
1763 | } | |
1764 | ||
1765 | port->odp_port = dpif_port.port_no; | |
1766 | ||
b9ad7294 | 1767 | if (netdev_get_tunnel_config(netdev)) { |
a36de779 | 1768 | atomic_count_inc(&ofproto->backer->tnl_count); |
ea0797c9 | 1769 | error = tnl_port_add(port, port->up.netdev, port->odp_port, |
6d9e94b5 | 1770 | ovs_native_tunneling_is_on(ofproto), dp_port_name); |
ea0797c9 BP |
1771 | if (error) { |
1772 | atomic_count_dec(&ofproto->backer->tnl_count); | |
1773 | dpif_port_destroy(&dpif_port); | |
1774 | return error; | |
1775 | } | |
1776 | ||
42943cde | 1777 | port->is_tunnel = true; |
8b7ea2d4 WZ |
1778 | if (ofproto->ipfix) { |
1779 | dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port); | |
1780 | } | |
b9ad7294 EJ |
1781 | } else { |
1782 | /* Sanity-check that a mapping doesn't already exist. This | |
1783 | * shouldn't happen for non-tunnel ports. */ | |
1784 | if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) { | |
1785 | VLOG_ERR("port %s already has an OpenFlow port number", | |
1786 | dpif_port.name); | |
da78d43d | 1787 | dpif_port_destroy(&dpif_port); |
b9ad7294 EJ |
1788 | return EBUSY; |
1789 | } | |
e1b1d06a | 1790 | |
8449c4d6 | 1791 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1792 | hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node, |
f9c0c3ec | 1793 | hash_odp_port(port->odp_port)); |
8449c4d6 | 1794 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1795 | } |
da78d43d | 1796 | dpif_port_destroy(&dpif_port); |
e1b1d06a | 1797 | |
abe529af | 1798 | if (ofproto->sflow) { |
e1b1d06a | 1799 | dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port); |
abe529af BP |
1800 | } |
1801 | ||
1802 | return 0; | |
1803 | } | |
1804 | ||
1805 | static void | |
9aad5a5a | 1806 | port_destruct(struct ofport *port_, bool del) |
abe529af BP |
1807 | { |
1808 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1809 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
02f8d646 | 1810 | const char *devname = netdev_get_name(port->up.netdev); |
3aa30359 BP |
1811 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
1812 | const char *dp_port_name; | |
abe529af | 1813 | |
7894e7da | 1814 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
84f0f298 | 1815 | xlate_txn_start(); |
46c88433 | 1816 | xlate_ofport_remove(port); |
84f0f298 | 1817 | xlate_txn_commit(); |
7894e7da | 1818 | |
3aa30359 BP |
1819 | dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf, |
1820 | sizeof namebuf); | |
9aad5a5a | 1821 | if (del && dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
acf60855 JP |
1822 | /* The underlying device is still there, so delete it. This |
1823 | * happens when the ofproto is being destroyed, since the caller | |
1824 | * assumes that removal of attached ports will happen as part of | |
1825 | * destruction. */ | |
42943cde | 1826 | if (!port->is_tunnel) { |
a614d823 KM |
1827 | dpif_port_del(ofproto->backer->dpif, port->odp_port); |
1828 | } | |
acf60855 JP |
1829 | } |
1830 | ||
6cbbf4fa EJ |
1831 | if (port->peer) { |
1832 | port->peer->peer = NULL; | |
1833 | port->peer = NULL; | |
1834 | } | |
1835 | ||
42943cde | 1836 | if (port->odp_port != ODPP_NONE && !port->is_tunnel) { |
8449c4d6 | 1837 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 | 1838 | hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node); |
8449c4d6 | 1839 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 EJ |
1840 | } |
1841 | ||
a36de779 PS |
1842 | if (port->is_tunnel) { |
1843 | atomic_count_dec(&ofproto->backer->tnl_count); | |
1844 | } | |
1845 | ||
8b7ea2d4 WZ |
1846 | if (port->is_tunnel && ofproto->ipfix) { |
1847 | dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port); | |
1848 | } | |
1849 | ||
42943cde | 1850 | tnl_port_del(port); |
02f8d646 | 1851 | sset_find_and_delete(&ofproto->ports, devname); |
0a740f48 | 1852 | sset_find_and_delete(&ofproto->ghost_ports, devname); |
abe529af | 1853 | bundle_remove(port_); |
a5610457 | 1854 | set_cfm(port_, NULL); |
8aee94b6 | 1855 | set_bfd(port_, NULL); |
0477baa9 | 1856 | set_lldp(port_, NULL); |
0c0c32d8 BP |
1857 | if (port->stp_port) { |
1858 | stp_port_disable(port->stp_port); | |
1859 | } | |
f025bcb7 | 1860 | set_rstp_port(port_, NULL); |
abe529af | 1861 | if (ofproto->sflow) { |
bae473fe | 1862 | dpif_sflow_del_port(ofproto->sflow, port->odp_port); |
abe529af | 1863 | } |
8b36f51e | 1864 | |
55954f6e | 1865 | free(port->qdscp); |
abe529af BP |
1866 | } |
1867 | ||
1868 | static void | |
1869 | port_modified(struct ofport *port_) | |
1870 | { | |
1871 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
a36de779 | 1872 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
6d9e94b5 | 1873 | const char *dp_port_name; |
a36de779 | 1874 | struct netdev *netdev = port->up.netdev; |
abe529af BP |
1875 | |
1876 | if (port->bundle && port->bundle->bond) { | |
a36de779 | 1877 | bond_slave_set_netdev(port->bundle->bond, port, netdev); |
abe529af | 1878 | } |
9d46b444 EJ |
1879 | |
1880 | if (port->cfm) { | |
a36de779 | 1881 | cfm_set_netdev(port->cfm, netdev); |
9d46b444 | 1882 | } |
f1e78bbd | 1883 | |
c1c4e8c7 | 1884 | if (port->bfd) { |
a36de779 | 1885 | bfd_set_netdev(port->bfd, netdev); |
c1c4e8c7 AW |
1886 | } |
1887 | ||
635c5db9 | 1888 | ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm, |
74ff3298 | 1889 | port->lldp, &port->up.pp.hw_addr); |
635c5db9 | 1890 | |
6d9e94b5 | 1891 | dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf); |
a36de779 PS |
1892 | |
1893 | if (port->is_tunnel) { | |
1894 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
1895 | ||
1896 | if (tnl_port_reconfigure(port, netdev, port->odp_port, | |
6d9e94b5 AZ |
1897 | ovs_native_tunneling_is_on(ofproto), |
1898 | dp_port_name)) { | |
a36de779 PS |
1899 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
1900 | } | |
f1e78bbd | 1901 | } |
6cbbf4fa EJ |
1902 | |
1903 | ofport_update_peer(port); | |
abe529af BP |
1904 | } |
1905 | ||
1906 | static void | |
9e1fd49b | 1907 | port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config) |
abe529af BP |
1908 | { |
1909 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1910 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
9e1fd49b | 1911 | enum ofputil_port_config changed = old_config ^ port->up.pp.config; |
abe529af | 1912 | |
9e1fd49b | 1913 | if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP | |
c57b2226 BP |
1914 | OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD | |
1915 | OFPUTIL_PC_NO_PACKET_IN)) { | |
2cc3c58e | 1916 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7bde8dd8 | 1917 | |
9e1fd49b | 1918 | if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) { |
7bde8dd8 JP |
1919 | bundle_update(port->bundle); |
1920 | } | |
abe529af BP |
1921 | } |
1922 | } | |
1923 | ||
1924 | static int | |
1925 | set_sflow(struct ofproto *ofproto_, | |
1926 | const struct ofproto_sflow_options *sflow_options) | |
1927 | { | |
1928 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
bae473fe | 1929 | struct dpif_sflow *ds = ofproto->sflow; |
6ff686f2 | 1930 | |
abe529af | 1931 | if (sflow_options) { |
4fe0f203 | 1932 | uint32_t old_probability = ds ? dpif_sflow_get_probability(ds) : 0; |
bae473fe | 1933 | if (!ds) { |
abe529af BP |
1934 | struct ofport_dpif *ofport; |
1935 | ||
4213f19d | 1936 | ds = ofproto->sflow = dpif_sflow_create(); |
abe529af | 1937 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { |
e1b1d06a | 1938 | dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port); |
abe529af BP |
1939 | } |
1940 | } | |
bae473fe | 1941 | dpif_sflow_set_options(ds, sflow_options); |
4fe0f203 BP |
1942 | if (dpif_sflow_get_probability(ds) != old_probability) { |
1943 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
1944 | } | |
abe529af | 1945 | } else { |
6ff686f2 | 1946 | if (ds) { |
9723bcce | 1947 | dpif_sflow_unref(ds); |
2cc3c58e | 1948 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6ff686f2 PS |
1949 | ofproto->sflow = NULL; |
1950 | } | |
abe529af BP |
1951 | } |
1952 | return 0; | |
1953 | } | |
1954 | ||
29089a54 RL |
1955 | static int |
1956 | set_ipfix( | |
1957 | struct ofproto *ofproto_, | |
1958 | const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options, | |
1959 | const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options, | |
1960 | size_t n_flow_exporters_options) | |
1961 | { | |
1962 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1963 | struct dpif_ipfix *di = ofproto->ipfix; | |
978427a5 | 1964 | bool has_options = bridge_exporter_options || flow_exporters_options; |
8b7ea2d4 | 1965 | bool new_di = false; |
29089a54 | 1966 | |
978427a5 RL |
1967 | if (has_options && !di) { |
1968 | di = ofproto->ipfix = dpif_ipfix_create(); | |
8b7ea2d4 | 1969 | new_di = true; |
978427a5 RL |
1970 | } |
1971 | ||
1972 | if (di) { | |
1973 | /* Call set_options in any case to cleanly flush the flow | |
1974 | * caches in the last exporters that are to be destroyed. */ | |
29089a54 RL |
1975 | dpif_ipfix_set_options( |
1976 | di, bridge_exporter_options, flow_exporters_options, | |
1977 | n_flow_exporters_options); | |
978427a5 | 1978 | |
8b7ea2d4 WZ |
1979 | /* Add tunnel ports only when a new ipfix created */ |
1980 | if (new_di == true) { | |
1981 | struct ofport_dpif *ofport; | |
1982 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
1983 | if (ofport->is_tunnel == true) { | |
1984 | dpif_ipfix_add_tunnel_port(di, &ofport->up, ofport->odp_port); | |
1985 | } | |
1986 | } | |
1987 | } | |
1988 | ||
978427a5 | 1989 | if (!has_options) { |
d857c8aa | 1990 | dpif_ipfix_unref(di); |
29089a54 RL |
1991 | ofproto->ipfix = NULL; |
1992 | } | |
1993 | } | |
978427a5 | 1994 | |
29089a54 RL |
1995 | return 0; |
1996 | } | |
1997 | ||
abe529af | 1998 | static int |
a5610457 | 1999 | set_cfm(struct ofport *ofport_, const struct cfm_settings *s) |
abe529af BP |
2000 | { |
2001 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
4e5e44e3 AW |
2002 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
2003 | struct cfm *old = ofport->cfm; | |
635c5db9 | 2004 | int error = 0; |
abe529af | 2005 | |
635c5db9 | 2006 | if (s) { |
abe529af | 2007 | if (!ofport->cfm) { |
90967e95 | 2008 | ofport->cfm = cfm_create(ofport->up.netdev); |
abe529af BP |
2009 | } |
2010 | ||
a5610457 | 2011 | if (cfm_configure(ofport->cfm, s)) { |
635c5db9 AW |
2012 | error = 0; |
2013 | goto out; | |
abe529af BP |
2014 | } |
2015 | ||
2016 | error = EINVAL; | |
2017 | } | |
8e9a73fa | 2018 | cfm_unref(ofport->cfm); |
abe529af | 2019 | ofport->cfm = NULL; |
635c5db9 | 2020 | out: |
4e5e44e3 AW |
2021 | if (ofport->cfm != old) { |
2022 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
2023 | } | |
635c5db9 | 2024 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, |
74ff3298 | 2025 | ofport->lldp, &ofport->up.pp.hw_addr); |
abe529af BP |
2026 | return error; |
2027 | } | |
2028 | ||
8f5514fe AW |
2029 | static bool |
2030 | cfm_status_changed(struct ofport *ofport_) | |
2031 | { | |
2032 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2033 | ||
2034 | return ofport->cfm ? cfm_check_status_change(ofport->cfm) : true; | |
2035 | } | |
2036 | ||
88bf179a | 2037 | static int |
9a9e3786 | 2038 | get_cfm_status(const struct ofport *ofport_, |
685acfd9 | 2039 | struct cfm_status *status) |
1de11730 EJ |
2040 | { |
2041 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
88bf179a | 2042 | int ret = 0; |
1de11730 EJ |
2043 | |
2044 | if (ofport->cfm) { | |
8f5514fe | 2045 | cfm_get_status(ofport->cfm, status); |
1de11730 | 2046 | } else { |
88bf179a | 2047 | ret = ENOENT; |
1de11730 | 2048 | } |
88bf179a AW |
2049 | |
2050 | return ret; | |
1de11730 | 2051 | } |
ccc09689 EJ |
2052 | |
2053 | static int | |
2054 | set_bfd(struct ofport *ofport_, const struct smap *cfg) | |
2055 | { | |
2056 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
2057 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2058 | struct bfd *old; | |
2059 | ||
2060 | old = ofport->bfd; | |
c1c4e8c7 AW |
2061 | ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev), |
2062 | cfg, ofport->up.netdev); | |
ccc09689 EJ |
2063 | if (ofport->bfd != old) { |
2064 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
2065 | } | |
635c5db9 | 2066 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, |
74ff3298 | 2067 | ofport->lldp, &ofport->up.pp.hw_addr); |
ccc09689 EJ |
2068 | return 0; |
2069 | } | |
2070 | ||
8f5514fe AW |
2071 | static bool |
2072 | bfd_status_changed(struct ofport *ofport_) | |
2073 | { | |
2074 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2075 | ||
2076 | return ofport->bfd ? bfd_check_status_change(ofport->bfd) : true; | |
2077 | } | |
2078 | ||
ccc09689 EJ |
2079 | static int |
2080 | get_bfd_status(struct ofport *ofport_, struct smap *smap) | |
2081 | { | |
2082 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
88bf179a | 2083 | int ret = 0; |
ccc09689 EJ |
2084 | |
2085 | if (ofport->bfd) { | |
8f5514fe | 2086 | bfd_get_status(ofport->bfd, smap); |
ccc09689 | 2087 | } else { |
88bf179a | 2088 | ret = ENOENT; |
ccc09689 | 2089 | } |
88bf179a AW |
2090 | |
2091 | return ret; | |
ccc09689 | 2092 | } |
0477baa9 DF |
2093 | |
2094 | static int | |
2095 | set_lldp(struct ofport *ofport_, | |
2096 | const struct smap *cfg) | |
2097 | { | |
2098 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2099 | int error = 0; | |
2100 | ||
2101 | if (cfg) { | |
2102 | if (!ofport->lldp) { | |
2103 | struct ofproto_dpif *ofproto; | |
2104 | ||
2105 | ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2106 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
2107 | ofport->lldp = lldp_create(ofport->up.netdev, ofport_->mtu, cfg); | |
2108 | } | |
2109 | ||
19aef6ef DF |
2110 | if (!lldp_configure(ofport->lldp, cfg)) { |
2111 | error = EINVAL; | |
0477baa9 | 2112 | } |
0477baa9 | 2113 | } |
19aef6ef DF |
2114 | if (error) { |
2115 | lldp_unref(ofport->lldp); | |
2116 | ofport->lldp = NULL; | |
2117 | } | |
2118 | ||
0477baa9 DF |
2119 | ofproto_dpif_monitor_port_update(ofport, |
2120 | ofport->bfd, | |
2121 | ofport->cfm, | |
2122 | ofport->lldp, | |
74ff3298 | 2123 | &ofport->up.pp.hw_addr); |
0477baa9 DF |
2124 | return error; |
2125 | } | |
2126 | ||
2127 | static bool | |
2128 | get_lldp_status(const struct ofport *ofport_, | |
2129 | struct lldp_status *status OVS_UNUSED) | |
2130 | { | |
2131 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2132 | ||
2133 | return ofport->lldp ? true : false; | |
2134 | } | |
2135 | ||
2136 | static int | |
2137 | set_aa(struct ofproto *ofproto OVS_UNUSED, | |
2138 | const struct aa_settings *s) | |
2139 | { | |
2140 | return aa_configure(s); | |
2141 | } | |
2142 | ||
2143 | static int | |
2144 | aa_mapping_set(struct ofproto *ofproto_ OVS_UNUSED, void *aux, | |
2145 | const struct aa_mapping_settings *s) | |
2146 | { | |
2147 | return aa_mapping_register(aux, s); | |
2148 | } | |
2149 | ||
2150 | static int | |
2151 | aa_mapping_unset(struct ofproto *ofproto OVS_UNUSED, void *aux) | |
2152 | { | |
2153 | return aa_mapping_unregister(aux); | |
2154 | } | |
2155 | ||
2156 | static int | |
2157 | aa_vlan_get_queued(struct ofproto *ofproto OVS_UNUSED, struct ovs_list *list) | |
2158 | { | |
2159 | return aa_get_vlan_queued(list); | |
2160 | } | |
2161 | ||
2162 | static unsigned int | |
2163 | aa_vlan_get_queue_size(struct ofproto *ofproto OVS_UNUSED) | |
2164 | { | |
2165 | return aa_get_vlan_queue_size(); | |
2166 | } | |
2167 | ||
abe529af | 2168 | \f |
21f7563c JP |
2169 | /* Spanning Tree. */ |
2170 | ||
6b90bc57 | 2171 | /* Called while rstp_mutex is held. */ |
9efd308e | 2172 | static void |
cf62fa4c | 2173 | rstp_send_bpdu_cb(struct dp_packet *pkt, void *ofport_, void *ofproto_) |
9efd308e DV |
2174 | { |
2175 | struct ofproto_dpif *ofproto = ofproto_; | |
6b90bc57 | 2176 | struct ofport_dpif *ofport = ofport_; |
cf62fa4c | 2177 | struct eth_header *eth = dp_packet_l2(pkt); |
6b90bc57 | 2178 | |
74ff3298 | 2179 | netdev_get_etheraddr(ofport->up.netdev, ð->eth_src); |
6b90bc57 JR |
2180 | if (eth_addr_is_zero(eth->eth_src)) { |
2181 | VLOG_WARN_RL(&rl, "%s port %d: cannot send RSTP BPDU on a port which " | |
2182 | "does not have a configured source MAC address.", | |
2183 | ofproto->up.name, ofp_to_u16(ofport->up.ofp_port)); | |
9efd308e | 2184 | } else { |
6b90bc57 | 2185 | ofproto_dpif_send_packet(ofport, pkt); |
9efd308e | 2186 | } |
cf62fa4c | 2187 | dp_packet_delete(pkt); |
9efd308e DV |
2188 | } |
2189 | ||
21f7563c | 2190 | static void |
cf62fa4c | 2191 | send_bpdu_cb(struct dp_packet *pkt, int port_num, void *ofproto_) |
21f7563c JP |
2192 | { |
2193 | struct ofproto_dpif *ofproto = ofproto_; | |
2194 | struct stp_port *sp = stp_get_port(ofproto->stp, port_num); | |
2195 | struct ofport_dpif *ofport; | |
2196 | ||
2197 | ofport = stp_port_get_aux(sp); | |
2198 | if (!ofport) { | |
2199 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d", | |
2200 | ofproto->up.name, port_num); | |
2201 | } else { | |
cf62fa4c | 2202 | struct eth_header *eth = dp_packet_l2(pkt); |
21f7563c | 2203 | |
74ff3298 | 2204 | netdev_get_etheraddr(ofport->up.netdev, ð->eth_src); |
21f7563c JP |
2205 | if (eth_addr_is_zero(eth->eth_src)) { |
2206 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d " | |
2207 | "with unknown MAC", ofproto->up.name, port_num); | |
2208 | } else { | |
91d6cd12 | 2209 | ofproto_dpif_send_packet(ofport, pkt); |
21f7563c JP |
2210 | } |
2211 | } | |
cf62fa4c | 2212 | dp_packet_delete(pkt); |
21f7563c JP |
2213 | } |
2214 | ||
9efd308e DV |
2215 | /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */ |
2216 | static void | |
2217 | set_rstp(struct ofproto *ofproto_, const struct ofproto_rstp_settings *s) | |
2218 | { | |
2219 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2220 | ||
2221 | /* Only revalidate flows if the configuration changed. */ | |
2222 | if (!s != !ofproto->rstp) { | |
2223 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
2224 | } | |
2225 | ||
2226 | if (s) { | |
2227 | if (!ofproto->rstp) { | |
2228 | ofproto->rstp = rstp_create(ofproto_->name, s->address, | |
4b30ba05 | 2229 | rstp_send_bpdu_cb, ofproto); |
9efd308e DV |
2230 | ofproto->rstp_last_tick = time_msec(); |
2231 | } | |
2232 | rstp_set_bridge_address(ofproto->rstp, s->address); | |
2233 | rstp_set_bridge_priority(ofproto->rstp, s->priority); | |
2234 | rstp_set_bridge_ageing_time(ofproto->rstp, s->ageing_time); | |
2235 | rstp_set_bridge_force_protocol_version(ofproto->rstp, | |
2236 | s->force_protocol_version); | |
2237 | rstp_set_bridge_max_age(ofproto->rstp, s->bridge_max_age); | |
2238 | rstp_set_bridge_forward_delay(ofproto->rstp, s->bridge_forward_delay); | |
2239 | rstp_set_bridge_transmit_hold_count(ofproto->rstp, | |
2240 | s->transmit_hold_count); | |
2241 | } else { | |
2242 | struct ofport *ofport; | |
2243 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
2244 | set_rstp_port(ofport, NULL); | |
2245 | } | |
2246 | rstp_unref(ofproto->rstp); | |
2247 | ofproto->rstp = NULL; | |
2248 | } | |
2249 | } | |
2250 | ||
2251 | static void | |
2252 | get_rstp_status(struct ofproto *ofproto_, struct ofproto_rstp_status *s) | |
2253 | { | |
2254 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2255 | ||
2256 | if (ofproto->rstp) { | |
2257 | s->enabled = true; | |
2258 | s->root_id = rstp_get_root_id(ofproto->rstp); | |
2259 | s->bridge_id = rstp_get_bridge_id(ofproto->rstp); | |
2260 | s->designated_id = rstp_get_designated_id(ofproto->rstp); | |
2261 | s->root_path_cost = rstp_get_root_path_cost(ofproto->rstp); | |
2262 | s->designated_port_id = rstp_get_designated_port_id(ofproto->rstp); | |
2263 | s->bridge_port_id = rstp_get_bridge_port_id(ofproto->rstp); | |
2264 | } else { | |
2265 | s->enabled = false; | |
2266 | } | |
2267 | } | |
2268 | ||
2269 | static void | |
2270 | update_rstp_port_state(struct ofport_dpif *ofport) | |
2271 | { | |
2272 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2273 | enum rstp_state state; | |
2274 | ||
2275 | /* Figure out new state. */ | |
2276 | state = ofport->rstp_port ? rstp_port_get_state(ofport->rstp_port) | |
2277 | : RSTP_DISABLED; | |
2278 | ||
2279 | /* Update state. */ | |
2280 | if (ofport->rstp_state != state) { | |
2281 | enum ofputil_port_state of_state; | |
2282 | bool fwd_change; | |
2283 | ||
9a0bb428 JR |
2284 | VLOG_DBG("port %s: RSTP state changed from %s to %s", |
2285 | netdev_get_name(ofport->up.netdev), | |
2286 | rstp_state_name(ofport->rstp_state), | |
2287 | rstp_state_name(state)); | |
2372c146 | 2288 | |
9efd308e | 2289 | if (rstp_learn_in_state(ofport->rstp_state) |
66ff280d JR |
2290 | != rstp_learn_in_state(state)) { |
2291 | /* XXX: Learning action flows should also be flushed. */ | |
2292 | if (ofport->bundle) { | |
2372c146 JR |
2293 | if (!rstp_shift_root_learned_address(ofproto->rstp) |
2294 | || rstp_get_old_root_aux(ofproto->rstp) != ofport) { | |
2295 | bundle_flush_macs(ofport->bundle, false); | |
2296 | } | |
66ff280d | 2297 | } |
9efd308e DV |
2298 | } |
2299 | fwd_change = rstp_forward_in_state(ofport->rstp_state) | |
2300 | != rstp_forward_in_state(state); | |
2301 | ||
2302 | ofproto->backer->need_revalidate = REV_RSTP; | |
2303 | ofport->rstp_state = state; | |
2304 | ||
2305 | if (fwd_change && ofport->bundle) { | |
2306 | bundle_update(ofport->bundle); | |
2307 | } | |
2308 | ||
2309 | /* Update the RSTP state bits in the OpenFlow port description. */ | |
2310 | of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK; | |
2311 | of_state |= (state == RSTP_LEARNING ? OFPUTIL_PS_STP_LEARN | |
2312 | : state == RSTP_FORWARDING ? OFPUTIL_PS_STP_FORWARD | |
2313 | : state == RSTP_DISCARDING ? OFPUTIL_PS_STP_LISTEN | |
2314 | : 0); | |
2315 | ofproto_port_set_state(&ofport->up, of_state); | |
2316 | } | |
2317 | } | |
2318 | ||
2319 | static void | |
2320 | rstp_run(struct ofproto_dpif *ofproto) | |
2321 | { | |
2322 | if (ofproto->rstp) { | |
2323 | long long int now = time_msec(); | |
2324 | long long int elapsed = now - ofproto->rstp_last_tick; | |
2325 | struct rstp_port *rp; | |
f025bcb7 | 2326 | struct ofport_dpif *ofport; |
54d3863b | 2327 | |
9efd308e DV |
2328 | /* Every second, decrease the values of the timers. */ |
2329 | if (elapsed >= 1000) { | |
2330 | rstp_tick_timers(ofproto->rstp); | |
2331 | ofproto->rstp_last_tick = now; | |
2332 | } | |
f025bcb7 JR |
2333 | rp = NULL; |
2334 | while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) { | |
2335 | update_rstp_port_state(ofport); | |
9efd308e | 2336 | } |
66ff280d JR |
2337 | rp = NULL; |
2338 | ofport = NULL; | |
9efd308e DV |
2339 | /* FIXME: This check should be done on-event (i.e., when setting |
2340 | * p->fdb_flush) and not periodically. | |
2341 | */ | |
66ff280d | 2342 | while ((ofport = rstp_check_and_reset_fdb_flush(ofproto->rstp, &rp))) { |
2372c146 JR |
2343 | if (!rstp_shift_root_learned_address(ofproto->rstp) |
2344 | || rstp_get_old_root_aux(ofproto->rstp) != ofport) { | |
2345 | bundle_flush_macs(ofport->bundle, false); | |
2346 | } | |
2347 | } | |
2348 | ||
2349 | if (rstp_shift_root_learned_address(ofproto->rstp)) { | |
c7e4f0b2 DV |
2350 | struct ofport_dpif *old_root_aux = |
2351 | (struct ofport_dpif *)rstp_get_old_root_aux(ofproto->rstp); | |
2352 | struct ofport_dpif *new_root_aux = | |
2353 | (struct ofport_dpif *)rstp_get_new_root_aux(ofproto->rstp); | |
2354 | if (old_root_aux != NULL && new_root_aux != NULL) { | |
2355 | bundle_move(old_root_aux->bundle, new_root_aux->bundle); | |
2356 | rstp_reset_root_changed(ofproto->rstp); | |
2357 | } | |
9efd308e DV |
2358 | } |
2359 | } | |
2360 | } | |
2361 | ||
21f7563c JP |
2362 | /* Configures STP on 'ofproto_' using the settings defined in 's'. */ |
2363 | static int | |
2364 | set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s) | |
2365 | { | |
2366 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2367 | ||
2368 | /* Only revalidate flows if the configuration changed. */ | |
2369 | if (!s != !ofproto->stp) { | |
2cc3c58e | 2370 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
21f7563c JP |
2371 | } |
2372 | ||
2373 | if (s) { | |
2374 | if (!ofproto->stp) { | |
2375 | ofproto->stp = stp_create(ofproto_->name, s->system_id, | |
2376 | send_bpdu_cb, ofproto); | |
2377 | ofproto->stp_last_tick = time_msec(); | |
2378 | } | |
2379 | ||
2380 | stp_set_bridge_id(ofproto->stp, s->system_id); | |
2381 | stp_set_bridge_priority(ofproto->stp, s->priority); | |
2382 | stp_set_hello_time(ofproto->stp, s->hello_time); | |
2383 | stp_set_max_age(ofproto->stp, s->max_age); | |
2384 | stp_set_forward_delay(ofproto->stp, s->fwd_delay); | |
2385 | } else { | |
851bf71d EJ |
2386 | struct ofport *ofport; |
2387 | ||
2388 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
2389 | set_stp_port(ofport, NULL); | |
2390 | } | |
2391 | ||
bd54dbcd | 2392 | stp_unref(ofproto->stp); |
21f7563c JP |
2393 | ofproto->stp = NULL; |
2394 | } | |
2395 | ||
2396 | return 0; | |
2397 | } | |
2398 | ||
2399 | static int | |
2400 | get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s) | |
2401 | { | |
2402 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2403 | ||
2404 | if (ofproto->stp) { | |
2405 | s->enabled = true; | |
2406 | s->bridge_id = stp_get_bridge_id(ofproto->stp); | |
2407 | s->designated_root = stp_get_designated_root(ofproto->stp); | |
2408 | s->root_path_cost = stp_get_root_path_cost(ofproto->stp); | |
2409 | } else { | |
2410 | s->enabled = false; | |
2411 | } | |
2412 | ||
2413 | return 0; | |
2414 | } | |
2415 | ||
2416 | static void | |
2417 | update_stp_port_state(struct ofport_dpif *ofport) | |
2418 | { | |
2419 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2420 | enum stp_state state; | |
2421 | ||
2422 | /* Figure out new state. */ | |
2423 | state = ofport->stp_port ? stp_port_get_state(ofport->stp_port) | |
2424 | : STP_DISABLED; | |
2425 | ||
2426 | /* Update state. */ | |
2427 | if (ofport->stp_state != state) { | |
9e1fd49b | 2428 | enum ofputil_port_state of_state; |
21f7563c JP |
2429 | bool fwd_change; |
2430 | ||
9a0bb428 JR |
2431 | VLOG_DBG("port %s: STP state changed from %s to %s", |
2432 | netdev_get_name(ofport->up.netdev), | |
2433 | stp_state_name(ofport->stp_state), | |
2434 | stp_state_name(state)); | |
21f7563c JP |
2435 | if (stp_learn_in_state(ofport->stp_state) |
2436 | != stp_learn_in_state(state)) { | |
2437 | /* xxx Learning action flows should also be flushed. */ | |
509c0149 | 2438 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 2439 | mac_learning_flush(ofproto->ml); |
509c0149 | 2440 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 2441 | mcast_snooping_mdb_flush(ofproto->ms); |
21f7563c JP |
2442 | } |
2443 | fwd_change = stp_forward_in_state(ofport->stp_state) | |
2444 | != stp_forward_in_state(state); | |
2445 | ||
2cc3c58e | 2446 | ofproto->backer->need_revalidate = REV_STP; |
21f7563c JP |
2447 | ofport->stp_state = state; |
2448 | ofport->stp_state_entered = time_msec(); | |
2449 | ||
b308140a | 2450 | if (fwd_change && ofport->bundle) { |
21f7563c JP |
2451 | bundle_update(ofport->bundle); |
2452 | } | |
2453 | ||
2454 | /* Update the STP state bits in the OpenFlow port description. */ | |
9e1fd49b BP |
2455 | of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK; |
2456 | of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN | |
2457 | : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN | |
2458 | : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD | |
2459 | : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK | |
2460 | : 0); | |
21f7563c JP |
2461 | ofproto_port_set_state(&ofport->up, of_state); |
2462 | } | |
2463 | } | |
2464 | ||
2465 | /* Configures STP on 'ofport_' using the settings defined in 's'. The | |
2466 | * caller is responsible for assigning STP port numbers and ensuring | |
2467 | * there are no duplicates. */ | |
2468 | static int | |
2469 | set_stp_port(struct ofport *ofport_, | |
2470 | const struct ofproto_port_stp_settings *s) | |
2471 | { | |
2472 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2473 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2474 | struct stp_port *sp = ofport->stp_port; | |
2475 | ||
2476 | if (!s || !s->enable) { | |
2477 | if (sp) { | |
2478 | ofport->stp_port = NULL; | |
2479 | stp_port_disable(sp); | |
ecd12731 | 2480 | update_stp_port_state(ofport); |
21f7563c JP |
2481 | } |
2482 | return 0; | |
2483 | } else if (sp && stp_port_no(sp) != s->port_num | |
f025bcb7 | 2484 | && ofport == stp_port_get_aux(sp)) { |
21f7563c JP |
2485 | /* The port-id changed, so disable the old one if it's not |
2486 | * already in use by another port. */ | |
2487 | stp_port_disable(sp); | |
2488 | } | |
2489 | ||
2490 | sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num); | |
21f7563c | 2491 | |
fb20b0bf JR |
2492 | /* Set name before enabling the port so that debugging messages can print |
2493 | * the name. */ | |
11306274 | 2494 | stp_port_set_name(sp, netdev_get_name(ofport->up.netdev)); |
fb20b0bf JR |
2495 | stp_port_enable(sp); |
2496 | ||
21f7563c JP |
2497 | stp_port_set_aux(sp, ofport); |
2498 | stp_port_set_priority(sp, s->priority); | |
2499 | stp_port_set_path_cost(sp, s->path_cost); | |
2500 | ||
2501 | update_stp_port_state(ofport); | |
2502 | ||
2503 | return 0; | |
2504 | } | |
2505 | ||
2506 | static int | |
2507 | get_stp_port_status(struct ofport *ofport_, | |
2508 | struct ofproto_port_stp_status *s) | |
2509 | { | |
2510 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2511 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2512 | struct stp_port *sp = ofport->stp_port; | |
2513 | ||
2514 | if (!ofproto->stp || !sp) { | |
2515 | s->enabled = false; | |
2516 | return 0; | |
2517 | } | |
2518 | ||
2519 | s->enabled = true; | |
2520 | s->port_id = stp_port_get_id(sp); | |
2521 | s->state = stp_port_get_state(sp); | |
2522 | s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000; | |
2523 | s->role = stp_port_get_role(sp); | |
fd28ce3a JS |
2524 | |
2525 | return 0; | |
2526 | } | |
2527 | ||
2528 | static int | |
2529 | get_stp_port_stats(struct ofport *ofport_, | |
2530 | struct ofproto_port_stp_stats *s) | |
2531 | { | |
2532 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2533 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2534 | struct stp_port *sp = ofport->stp_port; | |
2535 | ||
2536 | if (!ofproto->stp || !sp) { | |
2537 | s->enabled = false; | |
2538 | return 0; | |
2539 | } | |
2540 | ||
2541 | s->enabled = true; | |
80740385 | 2542 | stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count); |
21f7563c JP |
2543 | |
2544 | return 0; | |
2545 | } | |
2546 | ||
2547 | static void | |
2548 | stp_run(struct ofproto_dpif *ofproto) | |
2549 | { | |
2550 | if (ofproto->stp) { | |
2551 | long long int now = time_msec(); | |
2552 | long long int elapsed = now - ofproto->stp_last_tick; | |
2553 | struct stp_port *sp; | |
2554 | ||
2555 | if (elapsed > 0) { | |
2556 | stp_tick(ofproto->stp, MIN(INT_MAX, elapsed)); | |
2557 | ofproto->stp_last_tick = now; | |
2558 | } | |
2559 | while (stp_get_changed_port(ofproto->stp, &sp)) { | |
2560 | struct ofport_dpif *ofport = stp_port_get_aux(sp); | |
2561 | ||
2562 | if (ofport) { | |
2563 | update_stp_port_state(ofport); | |
2564 | } | |
2565 | } | |
6ae50723 EJ |
2566 | |
2567 | if (stp_check_and_reset_fdb_flush(ofproto->stp)) { | |
509c0149 | 2568 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 2569 | mac_learning_flush(ofproto->ml); |
509c0149 | 2570 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6d95c4e8 | 2571 | mcast_snooping_mdb_flush(ofproto->ms); |
6ae50723 | 2572 | } |
21f7563c JP |
2573 | } |
2574 | } | |
2575 | ||
2576 | static void | |
2577 | stp_wait(struct ofproto_dpif *ofproto) | |
2578 | { | |
2579 | if (ofproto->stp) { | |
2580 | poll_timer_wait(1000); | |
2581 | } | |
2582 | } | |
9efd308e DV |
2583 | |
2584 | /* Configures RSTP on 'ofport_' using the settings defined in 's'. The | |
2585 | * caller is responsible for assigning RSTP port numbers and ensuring | |
2586 | * there are no duplicates. */ | |
2587 | static void | |
2588 | set_rstp_port(struct ofport *ofport_, | |
cc33c223 | 2589 | const struct ofproto_port_rstp_settings *s) |
9efd308e DV |
2590 | { |
2591 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2592 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2593 | struct rstp_port *rp = ofport->rstp_port; | |
9efd308e DV |
2594 | |
2595 | if (!s || !s->enable) { | |
2596 | if (rp) { | |
e73e9165 JR |
2597 | rstp_port_set_aux(rp, NULL); |
2598 | rstp_port_set_state(rp, RSTP_DISABLED); | |
2599 | rstp_port_set_mac_operational(rp, false); | |
9efd308e | 2600 | ofport->rstp_port = NULL; |
e73e9165 | 2601 | rstp_port_unref(rp); |
9efd308e DV |
2602 | update_rstp_port_state(ofport); |
2603 | } | |
9efd308e DV |
2604 | return; |
2605 | } | |
f025bcb7 JR |
2606 | |
2607 | /* Check if need to add a new port. */ | |
9efd308e DV |
2608 | if (!rp) { |
2609 | rp = ofport->rstp_port = rstp_add_port(ofproto->rstp); | |
2610 | } | |
9efd308e | 2611 | |
f025bcb7 | 2612 | rstp_port_set(rp, s->port_num, s->priority, s->path_cost, |
67e8c1ac JR |
2613 | s->admin_edge_port, s->auto_edge, |
2614 | s->admin_p2p_mac_state, s->admin_port_state, s->mcheck, | |
2615 | ofport); | |
9efd308e | 2616 | update_rstp_port_state(ofport); |
29db47ce JR |
2617 | /* Synchronize operational status. */ |
2618 | rstp_port_set_mac_operational(rp, ofport->may_enable); | |
9efd308e DV |
2619 | } |
2620 | ||
2621 | static void | |
2622 | get_rstp_port_status(struct ofport *ofport_, | |
2623 | struct ofproto_port_rstp_status *s) | |
2624 | { | |
2625 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2626 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2627 | struct rstp_port *rp = ofport->rstp_port; | |
2628 | ||
2629 | if (!ofproto->rstp || !rp) { | |
2630 | s->enabled = false; | |
2631 | return; | |
2632 | } | |
2633 | ||
2634 | s->enabled = true; | |
9c64e6b8 JR |
2635 | rstp_port_get_status(rp, &s->port_id, &s->state, &s->role, |
2636 | &s->designated_bridge_id, &s->designated_port_id, | |
2637 | &s->designated_path_cost, &s->tx_count, | |
f025bcb7 | 2638 | &s->rx_count, &s->error_count, &s->uptime); |
9efd308e DV |
2639 | } |
2640 | ||
21f7563c | 2641 | \f |
8b36f51e | 2642 | static int |
55954f6e | 2643 | set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp, |
8b36f51e EJ |
2644 | size_t n_qdscp) |
2645 | { | |
2646 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2647 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
8b36f51e | 2648 | |
55954f6e EJ |
2649 | if (ofport->n_qdscp != n_qdscp |
2650 | || (n_qdscp && memcmp(ofport->qdscp, qdscp, | |
2651 | n_qdscp * sizeof *qdscp))) { | |
2cc3c58e | 2652 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
55954f6e EJ |
2653 | free(ofport->qdscp); |
2654 | ofport->qdscp = n_qdscp | |
2655 | ? xmemdup(qdscp, n_qdscp * sizeof *qdscp) | |
2656 | : NULL; | |
2657 | ofport->n_qdscp = n_qdscp; | |
8b36f51e EJ |
2658 | } |
2659 | ||
8b36f51e EJ |
2660 | return 0; |
2661 | } | |
2662 | \f | |
abe529af BP |
2663 | /* Bundles. */ |
2664 | ||
b44a10b7 BP |
2665 | /* Expires all MAC learning entries associated with 'bundle' and forces its |
2666 | * ofproto to revalidate every flow. | |
2667 | * | |
2668 | * Normally MAC learning entries are removed only from the ofproto associated | |
2669 | * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries | |
2670 | * are removed from every ofproto. When patch ports and SLB bonds are in use | |
2671 | * and a VM migration happens and the gratuitous ARPs are somehow lost, this | |
2672 | * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate | |
2673 | * with the host from which it migrated. */ | |
abe529af | 2674 | static void |
b44a10b7 | 2675 | bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos) |
abe529af BP |
2676 | { |
2677 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
2678 | struct mac_learning *ml = ofproto->ml; | |
2679 | struct mac_entry *mac, *next_mac; | |
2680 | ||
2cc3c58e | 2681 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
509c0149 | 2682 | ovs_rwlock_wrlock(&ml->rwlock); |
abe529af | 2683 | LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) { |
9d078ec2 | 2684 | if (mac_entry_get_port(ml, mac) == bundle) { |
b44a10b7 BP |
2685 | if (all_ofprotos) { |
2686 | struct ofproto_dpif *o; | |
2687 | ||
2688 | HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
2689 | if (o != ofproto) { | |
2690 | struct mac_entry *e; | |
2691 | ||
509c0149 | 2692 | ovs_rwlock_wrlock(&o->ml->rwlock); |
30618594 | 2693 | e = mac_learning_lookup(o->ml, mac->mac, mac->vlan); |
b44a10b7 | 2694 | if (e) { |
b44a10b7 BP |
2695 | mac_learning_expire(o->ml, e); |
2696 | } | |
509c0149 | 2697 | ovs_rwlock_unlock(&o->ml->rwlock); |
b44a10b7 BP |
2698 | } |
2699 | } | |
2700 | } | |
2701 | ||
abe529af BP |
2702 | mac_learning_expire(ml, mac); |
2703 | } | |
2704 | } | |
509c0149 | 2705 | ovs_rwlock_unlock(&ml->rwlock); |
abe529af BP |
2706 | } |
2707 | ||
2372c146 JR |
2708 | static void |
2709 | bundle_move(struct ofbundle *old, struct ofbundle *new) | |
2710 | { | |
2711 | struct ofproto_dpif *ofproto = old->ofproto; | |
2712 | struct mac_learning *ml = ofproto->ml; | |
2713 | struct mac_entry *mac, *next_mac; | |
2714 | ||
2715 | ovs_assert(new->ofproto == old->ofproto); | |
2716 | ||
2717 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
2718 | ovs_rwlock_wrlock(&ml->rwlock); | |
2719 | LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) { | |
9d078ec2 BP |
2720 | if (mac_entry_get_port(ml, mac) == old) { |
2721 | mac_entry_set_port(ml, mac, new); | |
2372c146 JR |
2722 | } |
2723 | } | |
2724 | ovs_rwlock_unlock(&ml->rwlock); | |
2725 | } | |
2726 | ||
abe529af BP |
2727 | static struct ofbundle * |
2728 | bundle_lookup(const struct ofproto_dpif *ofproto, void *aux) | |
2729 | { | |
2730 | struct ofbundle *bundle; | |
2731 | ||
2732 | HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0), | |
2733 | &ofproto->bundles) { | |
2734 | if (bundle->aux == aux) { | |
2735 | return bundle; | |
2736 | } | |
2737 | } | |
2738 | return NULL; | |
2739 | } | |
2740 | ||
7bde8dd8 JP |
2741 | static void |
2742 | bundle_update(struct ofbundle *bundle) | |
2743 | { | |
2744 | struct ofport_dpif *port; | |
2745 | ||
2746 | bundle->floodable = true; | |
2747 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
9e1fd49b | 2748 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2749 | || port->is_layer3 |
4b5f1996 DV |
2750 | || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state)) |
2751 | || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) { | |
7bde8dd8 JP |
2752 | bundle->floodable = false; |
2753 | break; | |
2754 | } | |
2755 | } | |
2756 | } | |
2757 | ||
abe529af BP |
2758 | static void |
2759 | bundle_del_port(struct ofport_dpif *port) | |
2760 | { | |
2761 | struct ofbundle *bundle = port->bundle; | |
2762 | ||
2cc3c58e | 2763 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6f77f4ae | 2764 | |
abe529af BP |
2765 | list_remove(&port->bundle_node); |
2766 | port->bundle = NULL; | |
2767 | ||
2768 | if (bundle->lacp) { | |
2769 | lacp_slave_unregister(bundle->lacp, port); | |
2770 | } | |
2771 | if (bundle->bond) { | |
2772 | bond_slave_unregister(bundle->bond, port); | |
2773 | } | |
2774 | ||
7bde8dd8 | 2775 | bundle_update(bundle); |
abe529af BP |
2776 | } |
2777 | ||
2778 | static bool | |
4e022ec0 | 2779 | bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port, |
df53d41c | 2780 | struct lacp_slave_settings *lacp) |
abe529af BP |
2781 | { |
2782 | struct ofport_dpif *port; | |
2783 | ||
e672ff9b | 2784 | port = ofp_port_to_ofport(bundle->ofproto, ofp_port); |
abe529af BP |
2785 | if (!port) { |
2786 | return false; | |
2787 | } | |
2788 | ||
2789 | if (port->bundle != bundle) { | |
2cc3c58e | 2790 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 2791 | if (port->bundle) { |
e019a574 | 2792 | bundle_remove(&port->up); |
abe529af BP |
2793 | } |
2794 | ||
2795 | port->bundle = bundle; | |
2796 | list_push_back(&bundle->ports, &port->bundle_node); | |
9e1fd49b | 2797 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2798 | || port->is_layer3 |
4b5f1996 DV |
2799 | || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state)) |
2800 | || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) { | |
abe529af BP |
2801 | bundle->floodable = false; |
2802 | } | |
2803 | } | |
2804 | if (lacp) { | |
2cc3c58e | 2805 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2806 | lacp_slave_register(bundle->lacp, port, lacp); |
2807 | } | |
2808 | ||
2809 | return true; | |
2810 | } | |
2811 | ||
2812 | static void | |
2813 | bundle_destroy(struct ofbundle *bundle) | |
2814 | { | |
2815 | struct ofproto_dpif *ofproto; | |
2816 | struct ofport_dpif *port, *next_port; | |
abe529af BP |
2817 | |
2818 | if (!bundle) { | |
2819 | return; | |
2820 | } | |
2821 | ||
2822 | ofproto = bundle->ofproto; | |
67912650 | 2823 | mbridge_unregister_bundle(ofproto->mbridge, bundle); |
abe529af | 2824 | |
84f0f298 | 2825 | xlate_txn_start(); |
46c88433 | 2826 | xlate_bundle_remove(bundle); |
84f0f298 | 2827 | xlate_txn_commit(); |
46c88433 | 2828 | |
abe529af BP |
2829 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { |
2830 | bundle_del_port(port); | |
2831 | } | |
2832 | ||
b44a10b7 | 2833 | bundle_flush_macs(bundle, true); |
abe529af BP |
2834 | hmap_remove(&ofproto->bundles, &bundle->hmap_node); |
2835 | free(bundle->name); | |
2836 | free(bundle->trunks); | |
91779071 | 2837 | lacp_unref(bundle->lacp); |
03366a2d | 2838 | bond_unref(bundle->bond); |
abe529af BP |
2839 | free(bundle); |
2840 | } | |
2841 | ||
2842 | static int | |
2843 | bundle_set(struct ofproto *ofproto_, void *aux, | |
2844 | const struct ofproto_bundle_settings *s) | |
2845 | { | |
2846 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2847 | bool need_flush = false; | |
abe529af BP |
2848 | struct ofport_dpif *port; |
2849 | struct ofbundle *bundle; | |
ecac4ebf BP |
2850 | unsigned long *trunks; |
2851 | int vlan; | |
abe529af BP |
2852 | size_t i; |
2853 | bool ok; | |
2854 | ||
2855 | if (!s) { | |
2856 | bundle_destroy(bundle_lookup(ofproto, aux)); | |
2857 | return 0; | |
2858 | } | |
2859 | ||
cb22974d BP |
2860 | ovs_assert(s->n_slaves == 1 || s->bond != NULL); |
2861 | ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL)); | |
abe529af BP |
2862 | |
2863 | bundle = bundle_lookup(ofproto, aux); | |
2864 | if (!bundle) { | |
2865 | bundle = xmalloc(sizeof *bundle); | |
2866 | ||
2867 | bundle->ofproto = ofproto; | |
2868 | hmap_insert(&ofproto->bundles, &bundle->hmap_node, | |
2869 | hash_pointer(aux, 0)); | |
2870 | bundle->aux = aux; | |
2871 | bundle->name = NULL; | |
2872 | ||
2873 | list_init(&bundle->ports); | |
ecac4ebf | 2874 | bundle->vlan_mode = PORT_VLAN_TRUNK; |
abe529af BP |
2875 | bundle->vlan = -1; |
2876 | bundle->trunks = NULL; | |
5e9ceccd | 2877 | bundle->use_priority_tags = s->use_priority_tags; |
abe529af BP |
2878 | bundle->lacp = NULL; |
2879 | bundle->bond = NULL; | |
2880 | ||
2881 | bundle->floodable = true; | |
ec7ceaed | 2882 | mbridge_register_bundle(ofproto->mbridge, bundle); |
abe529af BP |
2883 | } |
2884 | ||
2885 | if (!bundle->name || strcmp(s->name, bundle->name)) { | |
2886 | free(bundle->name); | |
2887 | bundle->name = xstrdup(s->name); | |
2888 | } | |
2889 | ||
2890 | /* LACP. */ | |
2891 | if (s->lacp) { | |
e2d13c43 | 2892 | ofproto->lacp_enabled = true; |
abe529af | 2893 | if (!bundle->lacp) { |
2cc3c58e | 2894 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2895 | bundle->lacp = lacp_create(); |
2896 | } | |
2897 | lacp_configure(bundle->lacp, s->lacp); | |
2898 | } else { | |
91779071 | 2899 | lacp_unref(bundle->lacp); |
abe529af BP |
2900 | bundle->lacp = NULL; |
2901 | } | |
2902 | ||
2903 | /* Update set of ports. */ | |
2904 | ok = true; | |
2905 | for (i = 0; i < s->n_slaves; i++) { | |
2906 | if (!bundle_add_port(bundle, s->slaves[i], | |
df53d41c | 2907 | s->lacp ? &s->lacp_slaves[i] : NULL)) { |
abe529af BP |
2908 | ok = false; |
2909 | } | |
2910 | } | |
2911 | if (!ok || list_size(&bundle->ports) != s->n_slaves) { | |
2912 | struct ofport_dpif *next_port; | |
2913 | ||
2914 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { | |
2915 | for (i = 0; i < s->n_slaves; i++) { | |
56c769ab | 2916 | if (s->slaves[i] == port->up.ofp_port) { |
abe529af BP |
2917 | goto found; |
2918 | } | |
2919 | } | |
2920 | ||
2921 | bundle_del_port(port); | |
2922 | found: ; | |
2923 | } | |
2924 | } | |
cb22974d | 2925 | ovs_assert(list_size(&bundle->ports) <= s->n_slaves); |
abe529af BP |
2926 | |
2927 | if (list_is_empty(&bundle->ports)) { | |
2928 | bundle_destroy(bundle); | |
2929 | return EINVAL; | |
2930 | } | |
2931 | ||
ecac4ebf | 2932 | /* Set VLAN tagging mode */ |
5e9ceccd BP |
2933 | if (s->vlan_mode != bundle->vlan_mode |
2934 | || s->use_priority_tags != bundle->use_priority_tags) { | |
ecac4ebf | 2935 | bundle->vlan_mode = s->vlan_mode; |
5e9ceccd | 2936 | bundle->use_priority_tags = s->use_priority_tags; |
ecac4ebf BP |
2937 | need_flush = true; |
2938 | } | |
2939 | ||
abe529af | 2940 | /* Set VLAN tag. */ |
ecac4ebf BP |
2941 | vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1 |
2942 | : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan | |
2943 | : 0); | |
2944 | if (vlan != bundle->vlan) { | |
2945 | bundle->vlan = vlan; | |
abe529af BP |
2946 | need_flush = true; |
2947 | } | |
2948 | ||
2949 | /* Get trunked VLANs. */ | |
ecac4ebf BP |
2950 | switch (s->vlan_mode) { |
2951 | case PORT_VLAN_ACCESS: | |
2952 | trunks = NULL; | |
2953 | break; | |
2954 | ||
2955 | case PORT_VLAN_TRUNK: | |
ebc56baa | 2956 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2957 | break; |
2958 | ||
2959 | case PORT_VLAN_NATIVE_UNTAGGED: | |
2960 | case PORT_VLAN_NATIVE_TAGGED: | |
2961 | if (vlan != 0 && (!s->trunks | |
2962 | || !bitmap_is_set(s->trunks, vlan) | |
2963 | || bitmap_is_set(s->trunks, 0))) { | |
2964 | /* Force trunking the native VLAN and prohibit trunking VLAN 0. */ | |
2965 | if (s->trunks) { | |
2966 | trunks = bitmap_clone(s->trunks, 4096); | |
2967 | } else { | |
2968 | trunks = bitmap_allocate1(4096); | |
2969 | } | |
2970 | bitmap_set1(trunks, vlan); | |
2971 | bitmap_set0(trunks, 0); | |
2972 | } else { | |
ebc56baa | 2973 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2974 | } |
2975 | break; | |
2976 | ||
2977 | default: | |
428b2edd | 2978 | OVS_NOT_REACHED(); |
ecac4ebf | 2979 | } |
abe529af BP |
2980 | if (!vlan_bitmap_equal(trunks, bundle->trunks)) { |
2981 | free(bundle->trunks); | |
ecac4ebf BP |
2982 | if (trunks == s->trunks) { |
2983 | bundle->trunks = vlan_bitmap_clone(trunks); | |
2984 | } else { | |
2985 | bundle->trunks = trunks; | |
2986 | trunks = NULL; | |
2987 | } | |
abe529af BP |
2988 | need_flush = true; |
2989 | } | |
ecac4ebf BP |
2990 | if (trunks != s->trunks) { |
2991 | free(trunks); | |
2992 | } | |
abe529af BP |
2993 | |
2994 | /* Bonding. */ | |
2995 | if (!list_is_short(&bundle->ports)) { | |
2996 | bundle->ofproto->has_bonded_bundles = true; | |
2997 | if (bundle->bond) { | |
2998 | if (bond_reconfigure(bundle->bond, s->bond)) { | |
2cc3c58e | 2999 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
3000 | } |
3001 | } else { | |
adcf00ba | 3002 | bundle->bond = bond_create(s->bond, ofproto); |
2cc3c58e | 3003 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
3004 | } |
3005 | ||
3006 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
adcf00ba AZ |
3007 | bond_slave_register(bundle->bond, port, |
3008 | port->up.ofp_port, port->up.netdev); | |
abe529af BP |
3009 | } |
3010 | } else { | |
03366a2d | 3011 | bond_unref(bundle->bond); |
abe529af BP |
3012 | bundle->bond = NULL; |
3013 | } | |
3014 | ||
3015 | /* If we changed something that would affect MAC learning, un-learn | |
3016 | * everything on this port and force flow revalidation. */ | |
3017 | if (need_flush) { | |
b44a10b7 | 3018 | bundle_flush_macs(bundle, false); |
abe529af BP |
3019 | } |
3020 | ||
3021 | return 0; | |
3022 | } | |
3023 | ||
3024 | static void | |
3025 | bundle_remove(struct ofport *port_) | |
3026 | { | |
3027 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
3028 | struct ofbundle *bundle = port->bundle; | |
3029 | ||
3030 | if (bundle) { | |
3031 | bundle_del_port(port); | |
3032 | if (list_is_empty(&bundle->ports)) { | |
3033 | bundle_destroy(bundle); | |
3034 | } else if (list_is_short(&bundle->ports)) { | |
03366a2d | 3035 | bond_unref(bundle->bond); |
abe529af BP |
3036 | bundle->bond = NULL; |
3037 | } | |
3038 | } | |
3039 | } | |
3040 | ||
3041 | static void | |
5f877369 | 3042 | send_pdu_cb(void *port_, const void *pdu, size_t pdu_size) |
abe529af BP |
3043 | { |
3044 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10); | |
3045 | struct ofport_dpif *port = port_; | |
74ff3298 | 3046 | struct eth_addr ea; |
abe529af BP |
3047 | int error; |
3048 | ||
74ff3298 | 3049 | error = netdev_get_etheraddr(port->up.netdev, &ea); |
abe529af | 3050 | if (!error) { |
cf62fa4c | 3051 | struct dp_packet packet; |
5f877369 | 3052 | void *packet_pdu; |
abe529af | 3053 | |
cf62fa4c | 3054 | dp_packet_init(&packet, 0); |
abe529af | 3055 | packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP, |
5f877369 EJ |
3056 | pdu_size); |
3057 | memcpy(packet_pdu, pdu, pdu_size); | |
3058 | ||
91d6cd12 | 3059 | ofproto_dpif_send_packet(port, &packet); |
cf62fa4c | 3060 | dp_packet_uninit(&packet); |
abe529af BP |
3061 | } else { |
3062 | VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface " | |
3063 | "%s (%s)", port->bundle->name, | |
10a89ef0 | 3064 | netdev_get_name(port->up.netdev), ovs_strerror(error)); |
abe529af BP |
3065 | } |
3066 | } | |
3067 | ||
3068 | static void | |
3069 | bundle_send_learning_packets(struct ofbundle *bundle) | |
3070 | { | |
3071 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
3072 | int error, n_packets, n_errors; | |
3073 | struct mac_entry *e; | |
8613db65 DDP |
3074 | struct pkt_list { |
3075 | struct ovs_list list_node; | |
3076 | struct ofport_dpif *port; | |
3077 | struct dp_packet *pkt; | |
3078 | } *pkt_node; | |
ca6ba700 | 3079 | struct ovs_list packets; |
abe529af | 3080 | |
0165217e | 3081 | list_init(&packets); |
509c0149 | 3082 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af | 3083 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
9d078ec2 | 3084 | if (mac_entry_get_port(ofproto->ml, e) != bundle) { |
8613db65 DDP |
3085 | pkt_node = xmalloc(sizeof *pkt_node); |
3086 | pkt_node->pkt = bond_compose_learning_packet(bundle->bond, | |
3087 | e->mac, e->vlan, | |
3088 | (void **)&pkt_node->port); | |
3089 | list_push_back(&packets, &pkt_node->list_node); | |
abe529af BP |
3090 | } |
3091 | } | |
509c0149 | 3092 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 3093 | |
0165217e | 3094 | error = n_packets = n_errors = 0; |
8613db65 | 3095 | LIST_FOR_EACH_POP (pkt_node, list_node, &packets) { |
0165217e EJ |
3096 | int ret; |
3097 | ||
8613db65 DDP |
3098 | ret = ofproto_dpif_send_packet(pkt_node->port, pkt_node->pkt); |
3099 | dp_packet_delete(pkt_node->pkt); | |
3100 | free(pkt_node); | |
0165217e EJ |
3101 | if (ret) { |
3102 | error = ret; | |
3103 | n_errors++; | |
3104 | } | |
3105 | n_packets++; | |
3106 | } | |
0165217e | 3107 | |
abe529af BP |
3108 | if (n_errors) { |
3109 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
3110 | VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning " | |
3111 | "packets, last error was: %s", | |
10a89ef0 | 3112 | bundle->name, n_errors, n_packets, ovs_strerror(error)); |
abe529af BP |
3113 | } else { |
3114 | VLOG_DBG("bond %s: sent %d gratuitous learning packets", | |
3115 | bundle->name, n_packets); | |
3116 | } | |
3117 | } | |
3118 | ||
3119 | static void | |
3120 | bundle_run(struct ofbundle *bundle) | |
3121 | { | |
3122 | if (bundle->lacp) { | |
3123 | lacp_run(bundle->lacp, send_pdu_cb); | |
3124 | } | |
3125 | if (bundle->bond) { | |
3126 | struct ofport_dpif *port; | |
3127 | ||
3128 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
015e08bc | 3129 | bond_slave_set_may_enable(bundle->bond, port, port->may_enable); |
abe529af BP |
3130 | } |
3131 | ||
4a1b8f30 EJ |
3132 | if (bond_run(bundle->bond, lacp_status(bundle->lacp))) { |
3133 | bundle->ofproto->backer->need_revalidate = REV_BOND; | |
3134 | } | |
3135 | ||
abe529af BP |
3136 | if (bond_should_send_learning_packets(bundle->bond)) { |
3137 | bundle_send_learning_packets(bundle); | |
3138 | } | |
3139 | } | |
3140 | } | |
3141 | ||
3142 | static void | |
3143 | bundle_wait(struct ofbundle *bundle) | |
3144 | { | |
3145 | if (bundle->lacp) { | |
3146 | lacp_wait(bundle->lacp); | |
3147 | } | |
3148 | if (bundle->bond) { | |
3149 | bond_wait(bundle->bond); | |
3150 | } | |
3151 | } | |
3152 | \f | |
3153 | /* Mirrors. */ | |
3154 | ||
3155 | static int | |
ec7ceaed EJ |
3156 | mirror_set__(struct ofproto *ofproto_, void *aux, |
3157 | const struct ofproto_mirror_settings *s) | |
abe529af BP |
3158 | { |
3159 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
ec7ceaed EJ |
3160 | struct ofbundle **srcs, **dsts; |
3161 | int error; | |
3162 | size_t i; | |
abe529af | 3163 | |
abe529af | 3164 | if (!s) { |
ec7ceaed | 3165 | mirror_destroy(ofproto->mbridge, aux); |
abe529af BP |
3166 | return 0; |
3167 | } | |
3168 | ||
ec7ceaed EJ |
3169 | srcs = xmalloc(s->n_srcs * sizeof *srcs); |
3170 | dsts = xmalloc(s->n_dsts * sizeof *dsts); | |
abe529af | 3171 | |
ec7ceaed EJ |
3172 | for (i = 0; i < s->n_srcs; i++) { |
3173 | srcs[i] = bundle_lookup(ofproto, s->srcs[i]); | |
abe529af BP |
3174 | } |
3175 | ||
ec7ceaed EJ |
3176 | for (i = 0; i < s->n_dsts; i++) { |
3177 | dsts[i] = bundle_lookup(ofproto, s->dsts[i]); | |
abe529af BP |
3178 | } |
3179 | ||
ec7ceaed EJ |
3180 | error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts, |
3181 | s->n_dsts, s->src_vlans, | |
3182 | bundle_lookup(ofproto, s->out_bundle), s->out_vlan); | |
3183 | free(srcs); | |
3184 | free(dsts); | |
3185 | return error; | |
abe529af BP |
3186 | } |
3187 | ||
9d24de3b | 3188 | static int |
ec7ceaed EJ |
3189 | mirror_get_stats__(struct ofproto *ofproto, void *aux, |
3190 | uint64_t *packets, uint64_t *bytes) | |
9d24de3b | 3191 | { |
ec7ceaed EJ |
3192 | return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets, |
3193 | bytes); | |
9d24de3b JP |
3194 | } |
3195 | ||
abe529af BP |
3196 | static int |
3197 | set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans) | |
3198 | { | |
3199 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 3200 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
abe529af | 3201 | if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) { |
30618594 | 3202 | mac_learning_flush(ofproto->ml); |
abe529af | 3203 | } |
509c0149 | 3204 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af BP |
3205 | return 0; |
3206 | } | |
3207 | ||
3208 | static bool | |
b4affc74 | 3209 | is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux) |
abe529af BP |
3210 | { |
3211 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3212 | struct ofbundle *bundle = bundle_lookup(ofproto, aux); | |
ec7ceaed | 3213 | return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0; |
abe529af | 3214 | } |
8402c74b SS |
3215 | |
3216 | static void | |
b53055f4 | 3217 | forward_bpdu_changed(struct ofproto *ofproto_) |
8402c74b SS |
3218 | { |
3219 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2cc3c58e | 3220 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8402c74b | 3221 | } |
e764773c BP |
3222 | |
3223 | static void | |
c4069512 BP |
3224 | set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time, |
3225 | size_t max_entries) | |
e764773c BP |
3226 | { |
3227 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 3228 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
e764773c | 3229 | mac_learning_set_idle_time(ofproto->ml, idle_time); |
c4069512 | 3230 | mac_learning_set_max_entries(ofproto->ml, max_entries); |
509c0149 | 3231 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
e764773c | 3232 | } |
7c38d0a5 FL |
3233 | |
3234 | /* Configures multicast snooping on 'ofport' using the settings | |
3235 | * defined in 's'. */ | |
3236 | static int | |
3237 | set_mcast_snooping(struct ofproto *ofproto_, | |
3238 | const struct ofproto_mcast_snooping_settings *s) | |
3239 | { | |
3240 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3241 | ||
3242 | /* Only revalidate flows if the configuration changed. */ | |
3243 | if (!s != !ofproto->ms) { | |
3244 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
3245 | } | |
3246 | ||
3247 | if (s) { | |
3248 | if (!ofproto->ms) { | |
3249 | ofproto->ms = mcast_snooping_create(); | |
3250 | } | |
3251 | ||
3252 | ovs_rwlock_wrlock(&ofproto->ms->rwlock); | |
3253 | mcast_snooping_set_idle_time(ofproto->ms, s->idle_time); | |
3254 | mcast_snooping_set_max_entries(ofproto->ms, s->max_entries); | |
3255 | if (mcast_snooping_set_flood_unreg(ofproto->ms, s->flood_unreg)) { | |
3256 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
3257 | } | |
3258 | ovs_rwlock_unlock(&ofproto->ms->rwlock); | |
3259 | } else { | |
3260 | mcast_snooping_unref(ofproto->ms); | |
3261 | ofproto->ms = NULL; | |
3262 | } | |
3263 | ||
3264 | return 0; | |
3265 | } | |
3266 | ||
8e04a33f | 3267 | /* Configures multicast snooping port's flood settings on 'ofproto'. */ |
7c38d0a5 | 3268 | static int |
8e04a33f FL |
3269 | set_mcast_snooping_port(struct ofproto *ofproto_, void *aux, |
3270 | const struct ofproto_mcast_snooping_port_settings *s) | |
7c38d0a5 FL |
3271 | { |
3272 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3273 | struct ofbundle *bundle = bundle_lookup(ofproto, aux); | |
3274 | ||
8e04a33f | 3275 | if (ofproto->ms && s) { |
7c38d0a5 | 3276 | ovs_rwlock_wrlock(&ofproto->ms->rwlock); |
8e04a33f FL |
3277 | mcast_snooping_set_port_flood(ofproto->ms, bundle, s->flood); |
3278 | mcast_snooping_set_port_flood_reports(ofproto->ms, bundle, | |
3279 | s->flood_reports); | |
7c38d0a5 FL |
3280 | ovs_rwlock_unlock(&ofproto->ms->rwlock); |
3281 | } | |
3282 | return 0; | |
3283 | } | |
3284 | ||
abe529af BP |
3285 | \f |
3286 | /* Ports. */ | |
3287 | ||
e672ff9b JR |
3288 | struct ofport_dpif * |
3289 | ofp_port_to_ofport(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) | |
abe529af | 3290 | { |
7df6a8bd BP |
3291 | struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port); |
3292 | return ofport ? ofport_dpif_cast(ofport) : NULL; | |
abe529af BP |
3293 | } |
3294 | ||
abe529af | 3295 | static void |
e1b1d06a JP |
3296 | ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto, |
3297 | struct ofproto_port *ofproto_port, | |
abe529af BP |
3298 | struct dpif_port *dpif_port) |
3299 | { | |
3300 | ofproto_port->name = dpif_port->name; | |
3301 | ofproto_port->type = dpif_port->type; | |
e1b1d06a | 3302 | ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no); |
abe529af BP |
3303 | } |
3304 | ||
6cbbf4fa EJ |
3305 | static void |
3306 | ofport_update_peer(struct ofport_dpif *ofport) | |
0a740f48 EJ |
3307 | { |
3308 | const struct ofproto_dpif *ofproto; | |
6cbbf4fa | 3309 | struct dpif_backer *backer; |
161b6042 | 3310 | char *peer_name; |
6cbbf4fa EJ |
3311 | |
3312 | if (!netdev_vport_is_patch(ofport->up.netdev)) { | |
3313 | return; | |
3314 | } | |
3315 | ||
3316 | backer = ofproto_dpif_cast(ofport->up.ofproto)->backer; | |
7894e7da | 3317 | backer->need_revalidate = REV_RECONFIGURE; |
0a740f48 | 3318 | |
6cbbf4fa EJ |
3319 | if (ofport->peer) { |
3320 | ofport->peer->peer = NULL; | |
3321 | ofport->peer = NULL; | |
3322 | } | |
3323 | ||
3324 | peer_name = netdev_vport_patch_peer(ofport->up.netdev); | |
3325 | if (!peer_name) { | |
3326 | return; | |
0a740f48 EJ |
3327 | } |
3328 | ||
3329 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
6cbbf4fa EJ |
3330 | struct ofport *peer_ofport; |
3331 | struct ofport_dpif *peer; | |
161b6042 | 3332 | char *peer_peer; |
0a740f48 | 3333 | |
462abef2 EJ |
3334 | if (ofproto->backer != backer) { |
3335 | continue; | |
3336 | } | |
3337 | ||
6cbbf4fa EJ |
3338 | peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name); |
3339 | if (!peer_ofport) { | |
3340 | continue; | |
3341 | } | |
3342 | ||
3343 | peer = ofport_dpif_cast(peer_ofport); | |
3344 | peer_peer = netdev_vport_patch_peer(peer->up.netdev); | |
3345 | if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev), | |
3346 | peer_peer)) { | |
3347 | ofport->peer = peer; | |
3348 | ofport->peer->peer = ofport; | |
0a740f48 | 3349 | } |
161b6042 | 3350 | free(peer_peer); |
6cbbf4fa | 3351 | |
161b6042 | 3352 | break; |
0a740f48 | 3353 | } |
161b6042 | 3354 | free(peer_name); |
0a740f48 EJ |
3355 | } |
3356 | ||
abe529af BP |
3357 | static void |
3358 | port_run(struct ofport_dpif *ofport) | |
3359 | { | |
3e5b3fdb EJ |
3360 | long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev); |
3361 | bool carrier_changed = carrier_seq != ofport->carrier_seq; | |
015e08bc | 3362 | bool enable = netdev_get_carrier(ofport->up.netdev); |
2d344ba5 AW |
3363 | bool cfm_enable = false; |
3364 | bool bfd_enable = false; | |
015e08bc | 3365 | |
3e5b3fdb EJ |
3366 | ofport->carrier_seq = carrier_seq; |
3367 | ||
abe529af | 3368 | if (ofport->cfm) { |
4653c558 EJ |
3369 | int cfm_opup = cfm_get_opup(ofport->cfm); |
3370 | ||
2d344ba5 | 3371 | cfm_enable = !cfm_get_fault(ofport->cfm); |
4653c558 EJ |
3372 | |
3373 | if (cfm_opup >= 0) { | |
2d344ba5 | 3374 | cfm_enable = cfm_enable && cfm_opup; |
4653c558 | 3375 | } |
abe529af | 3376 | } |
015e08bc | 3377 | |
ccc09689 | 3378 | if (ofport->bfd) { |
2d344ba5 AW |
3379 | bfd_enable = bfd_forwarding(ofport->bfd); |
3380 | } | |
3381 | ||
3382 | if (ofport->bfd || ofport->cfm) { | |
3383 | enable = enable && (cfm_enable || bfd_enable); | |
ccc09689 EJ |
3384 | } |
3385 | ||
015e08bc EJ |
3386 | if (ofport->bundle) { |
3387 | enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport); | |
3e5b3fdb EJ |
3388 | if (carrier_changed) { |
3389 | lacp_slave_carrier_changed(ofport->bundle->lacp, ofport); | |
3390 | } | |
015e08bc EJ |
3391 | } |
3392 | ||
daff3353 EJ |
3393 | if (ofport->may_enable != enable) { |
3394 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
daff3353 | 3395 | |
f025bcb7 | 3396 | ofproto->backer->need_revalidate = REV_PORT_TOGGLED; |
9efd308e | 3397 | |
f025bcb7 | 3398 | if (ofport->rstp_port) { |
9efd308e DV |
3399 | rstp_port_set_mac_operational(ofport->rstp_port, enable); |
3400 | } | |
3401 | } | |
f025bcb7 JR |
3402 | |
3403 | ofport->may_enable = enable; | |
abe529af BP |
3404 | } |
3405 | ||
abe529af BP |
3406 | static int |
3407 | port_query_by_name(const struct ofproto *ofproto_, const char *devname, | |
3408 | struct ofproto_port *ofproto_port) | |
3409 | { | |
3410 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3411 | struct dpif_port dpif_port; | |
3412 | int error; | |
3413 | ||
0a740f48 EJ |
3414 | if (sset_contains(&ofproto->ghost_ports, devname)) { |
3415 | const char *type = netdev_get_type_from_name(devname); | |
3416 | ||
3417 | /* We may be called before ofproto->up.port_by_name is populated with | |
3418 | * the appropriate ofport. For this reason, we must get the name and | |
3419 | * type from the netdev layer directly. */ | |
3420 | if (type) { | |
3421 | const struct ofport *ofport; | |
3422 | ||
3423 | ofport = shash_find_data(&ofproto->up.port_by_name, devname); | |
3424 | ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE; | |
3425 | ofproto_port->name = xstrdup(devname); | |
3426 | ofproto_port->type = xstrdup(type); | |
3427 | return 0; | |
3428 | } | |
3429 | return ENODEV; | |
3430 | } | |
3431 | ||
acf60855 JP |
3432 | if (!sset_contains(&ofproto->ports, devname)) { |
3433 | return ENODEV; | |
3434 | } | |
3435 | error = dpif_port_query_by_name(ofproto->backer->dpif, | |
3436 | devname, &dpif_port); | |
abe529af | 3437 | if (!error) { |
e1b1d06a | 3438 | ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port); |
abe529af BP |
3439 | } |
3440 | return error; | |
3441 | } | |
3442 | ||
3443 | static int | |
e1b1d06a | 3444 | port_add(struct ofproto *ofproto_, struct netdev *netdev) |
abe529af BP |
3445 | { |
3446 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 3447 | const char *devname = netdev_get_name(netdev); |
3aa30359 BP |
3448 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
3449 | const char *dp_port_name; | |
abe529af | 3450 | |
0a740f48 EJ |
3451 | if (netdev_vport_is_patch(netdev)) { |
3452 | sset_add(&ofproto->ghost_ports, netdev_get_name(netdev)); | |
3453 | return 0; | |
3454 | } | |
3455 | ||
3aa30359 | 3456 | dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf); |
b9ad7294 | 3457 | if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
4e022ec0 | 3458 | odp_port_t port_no = ODPP_NONE; |
7d82ab2e KM |
3459 | int error; |
3460 | ||
3461 | error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no); | |
b9ad7294 EJ |
3462 | if (error) { |
3463 | return error; | |
3464 | } | |
7d82ab2e | 3465 | if (netdev_get_tunnel_config(netdev)) { |
4e022ec0 AW |
3466 | simap_put(&ofproto->backer->tnl_backers, |
3467 | dp_port_name, odp_to_u32(port_no)); | |
7d82ab2e | 3468 | } |
acf60855 | 3469 | } |
b9ad7294 EJ |
3470 | |
3471 | if (netdev_get_tunnel_config(netdev)) { | |
3472 | sset_add(&ofproto->ghost_ports, devname); | |
b9ad7294 EJ |
3473 | } else { |
3474 | sset_add(&ofproto->ports, devname); | |
3475 | } | |
3476 | return 0; | |
3477 | } | |
3478 | ||
abe529af | 3479 | static int |
4e022ec0 | 3480 | port_del(struct ofproto *ofproto_, ofp_port_t ofp_port) |
abe529af BP |
3481 | { |
3482 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
e672ff9b | 3483 | struct ofport_dpif *ofport = ofp_port_to_ofport(ofproto, ofp_port); |
e1b1d06a | 3484 | int error = 0; |
abe529af | 3485 | |
b9ad7294 EJ |
3486 | if (!ofport) { |
3487 | return 0; | |
e1b1d06a | 3488 | } |
b9ad7294 EJ |
3489 | |
3490 | sset_find_and_delete(&ofproto->ghost_ports, | |
3491 | netdev_get_name(ofport->up.netdev)); | |
a614d823 | 3492 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8911c674 | 3493 | if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) { |
b9ad7294 EJ |
3494 | error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port); |
3495 | if (!error) { | |
abe529af BP |
3496 | /* The caller is going to close ofport->up.netdev. If this is a |
3497 | * bonded port, then the bond is using that netdev, so remove it | |
3498 | * from the bond. The client will need to reconfigure everything | |
3499 | * after deleting ports, so then the slave will get re-added. */ | |
3500 | bundle_remove(&ofport->up); | |
3501 | } | |
3502 | } | |
3503 | return error; | |
3504 | } | |
3505 | ||
6527c598 PS |
3506 | static int |
3507 | port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats) | |
3508 | { | |
3509 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3510 | int error; | |
3511 | ||
3512 | error = netdev_get_stats(ofport->up.netdev, stats); | |
3513 | ||
ee382d89 | 3514 | if (!error && ofport_->ofp_port == OFPP_LOCAL) { |
6527c598 PS |
3515 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
3516 | ||
0da3c61b | 3517 | ovs_mutex_lock(&ofproto->stats_mutex); |
6527c598 PS |
3518 | /* ofproto->stats.tx_packets represents packets that we created |
3519 | * internally and sent to some port (e.g. packets sent with | |
91d6cd12 AW |
3520 | * ofproto_dpif_send_packet()). Account for them as if they had |
3521 | * come from OFPP_LOCAL and got forwarded. */ | |
6527c598 PS |
3522 | |
3523 | if (stats->rx_packets != UINT64_MAX) { | |
3524 | stats->rx_packets += ofproto->stats.tx_packets; | |
3525 | } | |
3526 | ||
3527 | if (stats->rx_bytes != UINT64_MAX) { | |
3528 | stats->rx_bytes += ofproto->stats.tx_bytes; | |
3529 | } | |
3530 | ||
3531 | /* ofproto->stats.rx_packets represents packets that were received on | |
3532 | * some port and we processed internally and dropped (e.g. STP). | |
4e090bc7 | 3533 | * Account for them as if they had been forwarded to OFPP_LOCAL. */ |
6527c598 PS |
3534 | |
3535 | if (stats->tx_packets != UINT64_MAX) { | |
3536 | stats->tx_packets += ofproto->stats.rx_packets; | |
3537 | } | |
3538 | ||
3539 | if (stats->tx_bytes != UINT64_MAX) { | |
3540 | stats->tx_bytes += ofproto->stats.rx_bytes; | |
3541 | } | |
0da3c61b | 3542 | ovs_mutex_unlock(&ofproto->stats_mutex); |
6527c598 PS |
3543 | } |
3544 | ||
3545 | return error; | |
3546 | } | |
3547 | ||
50b9699f NM |
3548 | static int |
3549 | port_get_lacp_stats(const struct ofport *ofport_, struct lacp_slave_stats *stats) | |
3550 | { | |
3551 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3552 | if (ofport->bundle && ofport->bundle->lacp) { | |
3553 | if (lacp_get_slave_stats(ofport->bundle->lacp, ofport, stats)) { | |
3554 | return 0; | |
3555 | } | |
3556 | } | |
3557 | return -1; | |
3558 | } | |
3559 | ||
abe529af | 3560 | struct port_dump_state { |
acf60855 JP |
3561 | uint32_t bucket; |
3562 | uint32_t offset; | |
0a740f48 | 3563 | bool ghost; |
da78d43d BP |
3564 | |
3565 | struct ofproto_port port; | |
3566 | bool has_port; | |
abe529af BP |
3567 | }; |
3568 | ||
3569 | static int | |
acf60855 | 3570 | port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep) |
abe529af | 3571 | { |
0a740f48 | 3572 | *statep = xzalloc(sizeof(struct port_dump_state)); |
abe529af BP |
3573 | return 0; |
3574 | } | |
3575 | ||
3576 | static int | |
b9ad7294 | 3577 | port_dump_next(const struct ofproto *ofproto_, void *state_, |
abe529af BP |
3578 | struct ofproto_port *port) |
3579 | { | |
e1b1d06a | 3580 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
abe529af | 3581 | struct port_dump_state *state = state_; |
0a740f48 | 3582 | const struct sset *sset; |
acf60855 | 3583 | struct sset_node *node; |
abe529af | 3584 | |
da78d43d BP |
3585 | if (state->has_port) { |
3586 | ofproto_port_destroy(&state->port); | |
3587 | state->has_port = false; | |
3588 | } | |
0a740f48 EJ |
3589 | sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports; |
3590 | while ((node = sset_at_position(sset, &state->bucket, &state->offset))) { | |
acf60855 JP |
3591 | int error; |
3592 | ||
da78d43d BP |
3593 | error = port_query_by_name(ofproto_, node->name, &state->port); |
3594 | if (!error) { | |
3595 | *port = state->port; | |
3596 | state->has_port = true; | |
3597 | return 0; | |
3598 | } else if (error != ENODEV) { | |
acf60855 JP |
3599 | return error; |
3600 | } | |
abe529af | 3601 | } |
acf60855 | 3602 | |
0a740f48 EJ |
3603 | if (!state->ghost) { |
3604 | state->ghost = true; | |
3605 | state->bucket = 0; | |
3606 | state->offset = 0; | |
3607 | return port_dump_next(ofproto_, state_, port); | |
3608 | } | |
3609 | ||
acf60855 | 3610 | return EOF; |
abe529af BP |
3611 | } |
3612 | ||
3613 | static int | |
3614 | port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_) | |
3615 | { | |
3616 | struct port_dump_state *state = state_; | |
3617 | ||
da78d43d BP |
3618 | if (state->has_port) { |
3619 | ofproto_port_destroy(&state->port); | |
3620 | } | |
abe529af BP |
3621 | free(state); |
3622 | return 0; | |
3623 | } | |
3624 | ||
3625 | static int | |
3626 | port_poll(const struct ofproto *ofproto_, char **devnamep) | |
3627 | { | |
3628 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 JP |
3629 | |
3630 | if (ofproto->port_poll_errno) { | |
3631 | int error = ofproto->port_poll_errno; | |
3632 | ofproto->port_poll_errno = 0; | |
3633 | return error; | |
3634 | } | |
3635 | ||
3636 | if (sset_is_empty(&ofproto->port_poll_set)) { | |
3637 | return EAGAIN; | |
3638 | } | |
3639 | ||
3640 | *devnamep = sset_pop(&ofproto->port_poll_set); | |
3641 | return 0; | |
abe529af BP |
3642 | } |
3643 | ||
3644 | static void | |
3645 | port_poll_wait(const struct ofproto *ofproto_) | |
3646 | { | |
3647 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 3648 | dpif_port_poll_wait(ofproto->backer->dpif); |
abe529af BP |
3649 | } |
3650 | ||
3651 | static int | |
3652 | port_is_lacp_current(const struct ofport *ofport_) | |
3653 | { | |
3654 | const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3655 | return (ofport->bundle && ofport->bundle->lacp | |
3656 | ? lacp_slave_is_current(ofport->bundle->lacp, ofport) | |
3657 | : -1); | |
3658 | } | |
3659 | \f | |
e79a6c83 EJ |
3660 | /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules, |
3661 | * then delete it entirely. */ | |
3662 | static void | |
3663 | rule_expire(struct rule_dpif *rule) | |
3664 | OVS_REQUIRES(ofproto_mutex) | |
9d6ac44e | 3665 | { |
dc437090 | 3666 | uint16_t hard_timeout, idle_timeout; |
e79a6c83 | 3667 | long long int now = time_msec(); |
dc437090 | 3668 | int reason = -1; |
9d6ac44e | 3669 | |
e79a6c83 EJ |
3670 | hard_timeout = rule->up.hard_timeout; |
3671 | idle_timeout = rule->up.idle_timeout; | |
dc437090 JR |
3672 | |
3673 | /* Has 'rule' expired? */ | |
3674 | if (hard_timeout) { | |
3675 | long long int modified; | |
3676 | ||
3677 | ovs_mutex_lock(&rule->up.mutex); | |
3678 | modified = rule->up.modified; | |
3679 | ovs_mutex_unlock(&rule->up.mutex); | |
3680 | ||
3681 | if (now > modified + hard_timeout * 1000) { | |
3682 | reason = OFPRR_HARD_TIMEOUT; | |
3683 | } | |
3684 | } | |
3685 | ||
3686 | if (reason < 0 && idle_timeout) { | |
3687 | long long int used; | |
3688 | ||
3689 | ovs_mutex_lock(&rule->stats_mutex); | |
1a4ec18d | 3690 | used = rule->stats.used; |
dc437090 JR |
3691 | ovs_mutex_unlock(&rule->stats_mutex); |
3692 | ||
3693 | if (now > used + idle_timeout * 1000) { | |
3694 | reason = OFPRR_IDLE_TIMEOUT; | |
3695 | } | |
f9c37233 | 3696 | } |
501f8d1f | 3697 | |
e79a6c83 EJ |
3698 | if (reason >= 0) { |
3699 | COVERAGE_INC(ofproto_dpif_expired); | |
3700 | ofproto_rule_expire(&rule->up, reason); | |
a41d7bf2 | 3701 | } |
e79a6c83 | 3702 | } |
a41d7bf2 | 3703 | |
e79a6c83 | 3704 | int |
cdd42eda JG |
3705 | ofproto_dpif_execute_actions__(struct ofproto_dpif *ofproto, |
3706 | const struct flow *flow, | |
3707 | struct rule_dpif *rule, | |
3708 | const struct ofpact *ofpacts, size_t ofpacts_len, | |
3709 | int recurse, int resubmits, | |
3710 | struct dp_packet *packet) | |
e79a6c83 | 3711 | { |
e79a6c83 EJ |
3712 | struct dpif_flow_stats stats; |
3713 | struct xlate_out xout; | |
3714 | struct xlate_in xin; | |
3715 | ofp_port_t in_port; | |
758c456d | 3716 | struct dpif_execute execute; |
e79a6c83 | 3717 | int error; |
f9c37233 | 3718 | |
e79a6c83 | 3719 | ovs_assert((rule != NULL) != (ofpacts != NULL)); |
501f8d1f | 3720 | |
e79a6c83 | 3721 | dpif_flow_stats_extract(flow, packet, time_msec(), &stats); |
adcf00ba | 3722 | |
e79a6c83 EJ |
3723 | if (rule) { |
3724 | rule_dpif_credit_stats(rule, &stats); | |
3725 | } | |
c84451a6 | 3726 | |
1520ef4f BP |
3727 | uint64_t odp_actions_stub[1024 / 8]; |
3728 | struct ofpbuf odp_actions = OFPBUF_STUB_INITIALIZER(odp_actions_stub); | |
cc377352 | 3729 | xlate_in_init(&xin, ofproto, flow, flow->in_port.ofp_port, rule, |
1520ef4f | 3730 | stats.tcp_flags, packet, NULL, &odp_actions); |
e79a6c83 EJ |
3731 | xin.ofpacts = ofpacts; |
3732 | xin.ofpacts_len = ofpacts_len; | |
3733 | xin.resubmit_stats = &stats; | |
cdd42eda JG |
3734 | xin.recurse = recurse; |
3735 | xin.resubmits = resubmits; | |
fff1b9c0 JR |
3736 | if (xlate_actions(&xin, &xout) != XLATE_OK) { |
3737 | error = EINVAL; | |
3738 | goto out; | |
3739 | } | |
d445cc16 | 3740 | |
1520ef4f BP |
3741 | execute.actions = odp_actions.data; |
3742 | execute.actions_len = odp_actions.size; | |
a36de779 | 3743 | |
cf62fa4c | 3744 | pkt_metadata_from_flow(&packet->md, flow); |
08edf837 | 3745 | execute.packet = packet; |
08edf837 | 3746 | execute.needs_help = (xout.slow & SLOW_ACTION) != 0; |
43f9ac0a | 3747 | execute.probe = false; |
27130224 | 3748 | execute.mtu = 0; |
08edf837 BP |
3749 | |
3750 | /* Fix up in_port. */ | |
e79a6c83 EJ |
3751 | in_port = flow->in_port.ofp_port; |
3752 | if (in_port == OFPP_NONE) { | |
3753 | in_port = OFPP_LOCAL; | |
501f8d1f | 3754 | } |
cf62fa4c | 3755 | execute.packet->md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port); |
758c456d JR |
3756 | |
3757 | error = dpif_execute(ofproto->backer->dpif, &execute); | |
fff1b9c0 | 3758 | out: |
e79a6c83 | 3759 | xlate_out_uninit(&xout); |
1520ef4f | 3760 | ofpbuf_uninit(&odp_actions); |
9d6ac44e | 3761 | |
e79a6c83 | 3762 | return error; |
9d6ac44e BP |
3763 | } |
3764 | ||
cdd42eda JG |
3765 | /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'. |
3766 | * 'flow' must reflect the data in 'packet'. */ | |
3767 | int | |
3768 | ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto, | |
3769 | const struct flow *flow, | |
3770 | struct rule_dpif *rule, | |
3771 | const struct ofpact *ofpacts, size_t ofpacts_len, | |
3772 | struct dp_packet *packet) | |
3773 | { | |
3774 | return ofproto_dpif_execute_actions__(ofproto, flow, rule, ofpacts, | |
3775 | ofpacts_len, 0, 0, packet); | |
3776 | } | |
3777 | ||
e79a6c83 EJ |
3778 | void |
3779 | rule_dpif_credit_stats(struct rule_dpif *rule, | |
3780 | const struct dpif_flow_stats *stats) | |
8f73d537 | 3781 | { |
e79a6c83 | 3782 | ovs_mutex_lock(&rule->stats_mutex); |
39c94593 JR |
3783 | if (OVS_UNLIKELY(rule->new_rule)) { |
3784 | rule_dpif_credit_stats(rule->new_rule, stats); | |
3785 | } else { | |
3786 | rule->stats.n_packets += stats->n_packets; | |
3787 | rule->stats.n_bytes += stats->n_bytes; | |
3788 | rule->stats.used = MAX(rule->stats.used, stats->used); | |
3789 | } | |
e79a6c83 | 3790 | ovs_mutex_unlock(&rule->stats_mutex); |
8f73d537 EJ |
3791 | } |
3792 | ||
e79a6c83 EJ |
3793 | ovs_be64 |
3794 | rule_dpif_get_flow_cookie(const struct rule_dpif *rule) | |
3795 | OVS_REQUIRES(rule->up.mutex) | |
3796 | { | |
3797 | return rule->up.flow_cookie; | |
3798 | } | |
cfd5c9eb | 3799 | |
e79a6c83 EJ |
3800 | void |
3801 | rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout, | |
3802 | uint16_t hard_timeout) | |
3803 | { | |
3804 | ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout); | |
6a7e895f BP |
3805 | } |
3806 | ||
d8227eba JR |
3807 | /* Returns 'rule''s actions. The returned actions are RCU-protected, and can |
3808 | * be read until the calling thread quiesces. */ | |
dc723c44 | 3809 | const struct rule_actions * |
e79a6c83 | 3810 | rule_dpif_get_actions(const struct rule_dpif *rule) |
6ff686f2 | 3811 | { |
e79a6c83 EJ |
3812 | return rule_get_actions(&rule->up); |
3813 | } | |
abe529af | 3814 | |
888ac0d7 SH |
3815 | /* Sets 'rule''s recirculation id. */ |
3816 | static void | |
3817 | rule_dpif_set_recirc_id(struct rule_dpif *rule, uint32_t id) | |
3818 | OVS_REQUIRES(rule->up.mutex) | |
3819 | { | |
e672ff9b JR |
3820 | ovs_assert(!rule->recirc_id || rule->recirc_id == id); |
3821 | if (rule->recirc_id == id) { | |
3822 | /* Release the new reference to the same id. */ | |
3823 | recirc_free_id(id); | |
3824 | } else { | |
3825 | rule->recirc_id = id; | |
888ac0d7 | 3826 | } |
888ac0d7 SH |
3827 | } |
3828 | ||
3829 | /* Sets 'rule''s recirculation id. */ | |
3830 | void | |
3831 | rule_set_recirc_id(struct rule *rule_, uint32_t id) | |
3832 | { | |
3833 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3834 | ||
3835 | ovs_mutex_lock(&rule->up.mutex); | |
3836 | rule_dpif_set_recirc_id(rule, id); | |
3837 | ovs_mutex_unlock(&rule->up.mutex); | |
3838 | } | |
3839 | ||
18721c4a | 3840 | cls_version_t |
39c94593 | 3841 | ofproto_dpif_get_tables_version(struct ofproto_dpif *ofproto OVS_UNUSED) |
621b8064 | 3842 | { |
18721c4a | 3843 | cls_version_t version; |
621b8064 JR |
3844 | |
3845 | atomic_read_relaxed(&ofproto->tables_version, &version); | |
39c94593 | 3846 | |
621b8064 JR |
3847 | return version; |
3848 | } | |
3849 | ||
34dd0d78 | 3850 | /* The returned rule (if any) is valid at least until the next RCU quiescent |
1e1e1d19 BP |
3851 | * period. If the rule needs to stay around longer, the caller should take |
3852 | * a reference. | |
2e0bded4 BP |
3853 | * |
3854 | * 'flow' is non-const to allow for temporary modifications during the lookup. | |
3855 | * Any changes are restored before returning. */ | |
6d328fa2 | 3856 | static struct rule_dpif * |
18721c4a | 3857 | rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, cls_version_t version, |
621b8064 | 3858 | uint8_t table_id, struct flow *flow, |
1e1e1d19 | 3859 | struct flow_wildcards *wc) |
abe529af | 3860 | { |
6d328fa2 | 3861 | struct classifier *cls = &ofproto->up.tables[table_id].cls; |
1e1e1d19 BP |
3862 | return rule_dpif_cast(rule_from_cls_rule(classifier_lookup(cls, version, |
3863 | flow, wc))); | |
6d328fa2 SH |
3864 | } |
3865 | ||
39c94593 JR |
3866 | /* Look up 'flow' in 'ofproto''s classifier version 'version', starting from |
3867 | * table '*table_id'. Returns the rule that was found, which may be one of the | |
3868 | * special rules according to packet miss hadling. If 'may_packet_in' is | |
3869 | * false, returning of the miss_rule (which issues packet ins for the | |
3870 | * controller) is avoided. Updates 'wc', if nonnull, to reflect the fields | |
3871 | * that were used during the lookup. | |
6d328fa2 SH |
3872 | * |
3873 | * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but | |
3874 | * if none is found then the table miss configuration for that table is | |
3875 | * honored, which can result in additional lookups in other OpenFlow tables. | |
3876 | * In this case the function updates '*table_id' to reflect the final OpenFlow | |
3877 | * table that was searched. | |
3878 | * | |
3879 | * If 'honor_table_miss' is false, then only one table lookup occurs, in | |
3880 | * '*table_id'. | |
3881 | * | |
1a7c0cd7 | 3882 | * The rule is returned in '*rule', which is valid at least until the next |
1e1e1d19 BP |
3883 | * RCU quiescent period. If the '*rule' needs to stay around longer, the |
3884 | * caller must take a reference. | |
34dd0d78 JR |
3885 | * |
3886 | * 'in_port' allows the lookup to take place as if the in port had the value | |
2e0bded4 BP |
3887 | * 'in_port'. This is needed for resubmit action support. |
3888 | * | |
3889 | * 'flow' is non-const to allow for temporary modifications during the lookup. | |
3890 | * Any changes are restored before returning. */ | |
34dd0d78 | 3891 | struct rule_dpif * |
18721c4a JR |
3892 | rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto, |
3893 | cls_version_t version, struct flow *flow, | |
1e1e1d19 | 3894 | struct flow_wildcards *wc, |
18721c4a | 3895 | const struct dpif_flow_stats *stats, |
34dd0d78 JR |
3896 | uint8_t *table_id, ofp_port_t in_port, |
3897 | bool may_packet_in, bool honor_table_miss) | |
6d328fa2 | 3898 | { |
d8227eba | 3899 | ovs_be16 old_tp_src = flow->tp_src, old_tp_dst = flow->tp_dst; |
34dd0d78 JR |
3900 | ofp_port_t old_in_port = flow->in_port.ofp_port; |
3901 | enum ofputil_table_miss miss_config; | |
3902 | struct rule_dpif *rule; | |
6d328fa2 SH |
3903 | uint8_t next_id; |
3904 | ||
d8227eba JR |
3905 | /* We always unwildcard nw_frag (for IP), so they |
3906 | * need not be unwildcarded here. */ | |
3907 | if (flow->nw_frag & FLOW_NW_FRAG_ANY | |
ad99e2ed BP |
3908 | && ofproto->up.frag_handling != OFPUTIL_FRAG_NX_MATCH) { |
3909 | if (ofproto->up.frag_handling == OFPUTIL_FRAG_NORMAL) { | |
d8227eba JR |
3910 | /* We must pretend that transport ports are unavailable. */ |
3911 | flow->tp_src = htons(0); | |
3912 | flow->tp_dst = htons(0); | |
3913 | } else { | |
ad99e2ed | 3914 | /* Must be OFPUTIL_FRAG_DROP (we don't have OFPUTIL_FRAG_REASM). |
d8227eba | 3915 | * Use the drop_frags_rule (which cannot disappear). */ |
34dd0d78 | 3916 | rule = ofproto->drop_frags_rule; |
d8227eba JR |
3917 | if (stats) { |
3918 | struct oftable *tbl = &ofproto->up.tables[*table_id]; | |
3919 | unsigned long orig; | |
3920 | ||
3921 | atomic_add_relaxed(&tbl->n_matched, stats->n_packets, &orig); | |
3922 | } | |
34dd0d78 | 3923 | return rule; |
d8227eba JR |
3924 | } |
3925 | } | |
3926 | ||
34dd0d78 JR |
3927 | /* Look up a flow with 'in_port' as the input port. Then restore the |
3928 | * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will | |
3929 | * have surprising behavior). */ | |
3930 | flow->in_port.ofp_port = in_port; | |
3931 | ||
3932 | /* Our current implementation depends on n_tables == N_TABLES, and | |
3933 | * TBL_INTERNAL being the last table. */ | |
3934 | BUILD_ASSERT_DECL(N_TABLES == TBL_INTERNAL + 1); | |
3935 | ||
3936 | miss_config = OFPUTIL_TABLE_MISS_CONTINUE; | |
d8227eba | 3937 | |
6d328fa2 SH |
3938 | for (next_id = *table_id; |
3939 | next_id < ofproto->up.n_tables; | |
3940 | next_id++, next_id += (next_id == TBL_INTERNAL)) | |
3941 | { | |
3942 | *table_id = next_id; | |
1e1e1d19 | 3943 | rule = rule_dpif_lookup_in_table(ofproto, version, next_id, flow, wc); |
d611866c SH |
3944 | if (stats) { |
3945 | struct oftable *tbl = &ofproto->up.tables[next_id]; | |
d611866c | 3946 | unsigned long orig; |
afcea9ea | 3947 | |
34dd0d78 | 3948 | atomic_add_relaxed(rule ? &tbl->n_matched : &tbl->n_missed, |
afcea9ea | 3949 | stats->n_packets, &orig); |
d611866c | 3950 | } |
34dd0d78 JR |
3951 | if (rule) { |
3952 | goto out; /* Match. */ | |
3953 | } | |
3954 | if (honor_table_miss) { | |
3955 | miss_config = ofproto_table_get_miss_config(&ofproto->up, | |
3956 | *table_id); | |
3957 | if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE) { | |
3958 | continue; | |
3959 | } | |
3960 | } | |
3961 | break; | |
3962 | } | |
3963 | /* Miss. */ | |
3964 | rule = ofproto->no_packet_in_rule; | |
3965 | if (may_packet_in) { | |
3966 | if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE | |
3967 | || miss_config == OFPUTIL_TABLE_MISS_CONTROLLER) { | |
3968 | struct ofport_dpif *port; | |
3969 | ||
e672ff9b | 3970 | port = ofp_port_to_ofport(ofproto, old_in_port); |
34dd0d78 JR |
3971 | if (!port) { |
3972 | VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16, | |
3973 | old_in_port); | |
3974 | } else if (!(port->up.pp.config & OFPUTIL_PC_NO_PACKET_IN)) { | |
3975 | rule = ofproto->miss_rule; | |
6d328fa2 | 3976 | } |
34dd0d78 JR |
3977 | } else if (miss_config == OFPUTIL_TABLE_MISS_DEFAULT && |
3978 | connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) { | |
3979 | rule = ofproto->miss_rule; | |
6d328fa2 SH |
3980 | } |
3981 | } | |
d8227eba JR |
3982 | out: |
3983 | /* Restore port numbers, as they may have been modified above. */ | |
3984 | flow->tp_src = old_tp_src; | |
3985 | flow->tp_dst = old_tp_dst; | |
34dd0d78 JR |
3986 | /* Restore the old in port. */ |
3987 | flow->in_port.ofp_port = old_in_port; | |
6d328fa2 | 3988 | |
34dd0d78 | 3989 | return rule; |
a2143702 BP |
3990 | } |
3991 | ||
7ee20df1 BP |
3992 | static void |
3993 | complete_operation(struct rule_dpif *rule) | |
15aaf599 | 3994 | OVS_REQUIRES(ofproto_mutex) |
7ee20df1 BP |
3995 | { |
3996 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); | |
3997 | ||
a1616063 | 3998 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
7ee20df1 BP |
3999 | } |
4000 | ||
70742c7f EJ |
4001 | static struct rule_dpif *rule_dpif_cast(const struct rule *rule) |
4002 | { | |
4003 | return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL; | |
4004 | } | |
4005 | ||
abe529af BP |
4006 | static struct rule * |
4007 | rule_alloc(void) | |
4008 | { | |
3da29e32 | 4009 | struct rule_dpif *rule = xzalloc(sizeof *rule); |
abe529af BP |
4010 | return &rule->up; |
4011 | } | |
4012 | ||
4013 | static void | |
4014 | rule_dealloc(struct rule *rule_) | |
4015 | { | |
4016 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
4017 | free(rule); | |
4018 | } | |
4019 | ||
07659514 | 4020 | static enum ofperr |
1b43cf9e | 4021 | check_mask(struct ofproto_dpif *ofproto, const struct miniflow *flow) |
07659514 | 4022 | { |
95619d8c | 4023 | const struct odp_support *support; |
07659514 | 4024 | uint16_t ct_state, ct_zone; |
efba5ae4 | 4025 | ovs_u128 ct_label; |
8e53fe8c | 4026 | uint32_t ct_mark; |
07659514 | 4027 | |
95619d8c | 4028 | support = &ofproto_dpif_get_support(ofproto)->odp; |
1b43cf9e | 4029 | ct_state = MINIFLOW_GET_U16(flow, ct_state); |
11968381 | 4030 | if (support->ct_state && support->ct_zone && support->ct_mark |
7b27258c | 4031 | && support->ct_label && support->ct_state_nat) { |
11968381 JS |
4032 | return ct_state & CS_UNSUPPORTED_MASK ? OFPERR_OFPBMC_BAD_MASK : 0; |
4033 | } | |
4034 | ||
1b43cf9e JS |
4035 | ct_zone = MINIFLOW_GET_U16(flow, ct_zone); |
4036 | ct_mark = MINIFLOW_GET_U32(flow, ct_mark); | |
4037 | ct_label = MINIFLOW_GET_U128(flow, ct_label); | |
07659514 | 4038 | |
95619d8c JS |
4039 | if ((ct_state && !support->ct_state) |
4040 | || (ct_state & CS_UNSUPPORTED_MASK) | |
7b27258c | 4041 | || ((ct_state & (CS_SRC_NAT | CS_DST_NAT)) && !support->ct_state_nat) |
95619d8c JS |
4042 | || (ct_zone && !support->ct_zone) |
4043 | || (ct_mark && !support->ct_mark) | |
4044 | || (!ovs_u128_is_zero(&ct_label) && !support->ct_label)) { | |
4045 | return OFPERR_OFPBMC_BAD_MASK; | |
07659514 | 4046 | } |
95619d8c | 4047 | |
07659514 JS |
4048 | return 0; |
4049 | } | |
4050 | ||
1b43cf9e JS |
4051 | static enum ofperr |
4052 | check_actions(const struct ofproto_dpif *ofproto, | |
4053 | const struct rule_actions *const actions) | |
4054 | { | |
4055 | const struct ofpact *ofpact; | |
4056 | ||
4057 | OFPACT_FOR_EACH (ofpact, actions->ofpacts, actions->ofpacts_len) { | |
4058 | const struct odp_support *support; | |
4059 | const struct ofpact_conntrack *ct; | |
4060 | const struct ofpact *a; | |
4061 | ||
4062 | if (ofpact->type != OFPACT_CT) { | |
4063 | continue; | |
4064 | } | |
4065 | ||
4066 | ct = CONTAINER_OF(ofpact, struct ofpact_conntrack, ofpact); | |
4067 | support = &ofproto_dpif_get_support(ofproto)->odp; | |
4068 | ||
4069 | if (!support->ct_state) { | |
4070 | return OFPERR_OFPBAC_BAD_TYPE; | |
4071 | } | |
4072 | if ((ct->zone_imm || ct->zone_src.field) && !support->ct_zone) { | |
4073 | return OFPERR_OFPBAC_BAD_ARGUMENT; | |
4074 | } | |
4075 | ||
4076 | OFPACT_FOR_EACH(a, ct->actions, ofpact_ct_get_action_len(ct)) { | |
4077 | const struct mf_field *dst = ofpact_get_mf_dst(a); | |
4078 | ||
7b27258c DDP |
4079 | if (a->type == OFPACT_NAT && !support->ct_state_nat) { |
4080 | /* The backer doesn't seem to support the NAT bits in | |
4081 | * 'ct_state': assume that it doesn't support the NAT | |
4082 | * action. */ | |
4083 | return OFPERR_OFPBAC_BAD_TYPE; | |
4084 | } | |
1b43cf9e JS |
4085 | if (dst && ((dst->id == MFF_CT_MARK && !support->ct_mark) |
4086 | || (dst->id == MFF_CT_LABEL && !support->ct_label))) { | |
4087 | return OFPERR_OFPBAC_BAD_SET_ARGUMENT; | |
4088 | } | |
4089 | } | |
4090 | } | |
4091 | ||
4092 | return 0; | |
4093 | } | |
4094 | ||
4095 | static enum ofperr | |
4096 | rule_check(struct rule *rule) | |
4097 | { | |
4098 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->ofproto); | |
4099 | enum ofperr err; | |
4100 | ||
4101 | err = check_mask(ofproto, &rule->cr.match.mask->masks); | |
4102 | if (err) { | |
4103 | return err; | |
4104 | } | |
4105 | return check_actions(ofproto, rule->actions); | |
4106 | } | |
4107 | ||
90bf1e07 | 4108 | static enum ofperr |
abe529af | 4109 | rule_construct(struct rule *rule_) |
dc437090 | 4110 | OVS_NO_THREAD_SAFETY_ANALYSIS |
abe529af BP |
4111 | { |
4112 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
07659514 JS |
4113 | int error; |
4114 | ||
4115 | error = rule_check(rule_); | |
4116 | if (error) { | |
4117 | return error; | |
4118 | } | |
4119 | ||
97ba2d36 | 4120 | ovs_mutex_init_adaptive(&rule->stats_mutex); |
1a4ec18d JS |
4121 | rule->stats.n_packets = 0; |
4122 | rule->stats.n_bytes = 0; | |
4123 | rule->stats.used = rule->up.modified; | |
888ac0d7 | 4124 | rule->recirc_id = 0; |
39c94593 | 4125 | rule->new_rule = NULL; |
888ac0d7 | 4126 | |
abe529af BP |
4127 | return 0; |
4128 | } | |
4129 | ||
39c94593 JR |
4130 | static void |
4131 | rule_insert(struct rule *rule_, struct rule *old_rule_, bool forward_stats) | |
15aaf599 | 4132 | OVS_REQUIRES(ofproto_mutex) |
abe529af | 4133 | { |
9fbe253e | 4134 | struct rule_dpif *rule = rule_dpif_cast(rule_); |
39c94593 JR |
4135 | |
4136 | if (old_rule_ && forward_stats) { | |
4137 | struct rule_dpif *old_rule = rule_dpif_cast(old_rule_); | |
4138 | ||
4139 | ovs_assert(!old_rule->new_rule); | |
4140 | ||
4141 | /* Take a reference to the new rule, and refer all stats updates from | |
4142 | * the old rule to the new rule. */ | |
4143 | rule_dpif_ref(rule); | |
4144 | ||
4145 | ovs_mutex_lock(&old_rule->stats_mutex); | |
4146 | ovs_mutex_lock(&rule->stats_mutex); | |
4147 | old_rule->new_rule = rule; /* Forward future stats. */ | |
4148 | rule->stats = old_rule->stats; /* Transfer stats to the new rule. */ | |
4149 | ovs_mutex_unlock(&rule->stats_mutex); | |
4150 | ovs_mutex_unlock(&old_rule->stats_mutex); | |
4151 | } | |
4152 | ||
9fbe253e | 4153 | complete_operation(rule); |
8037acb4 BP |
4154 | } |
4155 | ||
4156 | static void | |
4157 | rule_delete(struct rule *rule_) | |
15aaf599 | 4158 | OVS_REQUIRES(ofproto_mutex) |
8037acb4 BP |
4159 | { |
4160 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
4161 | complete_operation(rule); | |
4162 | } | |
4163 | ||
4164 | static void | |
4165 | rule_destruct(struct rule *rule_) | |
39c94593 | 4166 | OVS_NO_THREAD_SAFETY_ANALYSIS |
8037acb4 BP |
4167 | { |
4168 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
888ac0d7 | 4169 | |
9fbe253e | 4170 | ovs_mutex_destroy(&rule->stats_mutex); |
39c94593 JR |
4171 | /* Release reference to the new rule, if any. */ |
4172 | if (rule->new_rule) { | |
4173 | rule_dpif_unref(rule->new_rule); | |
4174 | } | |
888ac0d7 | 4175 | if (rule->recirc_id) { |
e672ff9b | 4176 | recirc_free_id(rule->recirc_id); |
888ac0d7 | 4177 | } |
abe529af BP |
4178 | } |
4179 | ||
4180 | static void | |
dc437090 JR |
4181 | rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes, |
4182 | long long int *used) | |
abe529af BP |
4183 | { |
4184 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
abe529af | 4185 | |
9fbe253e | 4186 | ovs_mutex_lock(&rule->stats_mutex); |
39c94593 JR |
4187 | if (OVS_UNLIKELY(rule->new_rule)) { |
4188 | rule_get_stats(&rule->new_rule->up, packets, bytes, used); | |
4189 | } else { | |
4190 | *packets = rule->stats.n_packets; | |
4191 | *bytes = rule->stats.n_bytes; | |
4192 | *used = rule->stats.used; | |
4193 | } | |
9fbe253e | 4194 | ovs_mutex_unlock(&rule->stats_mutex); |
abe529af BP |
4195 | } |
4196 | ||
0a740f48 EJ |
4197 | static void |
4198 | rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow, | |
cf62fa4c | 4199 | struct dp_packet *packet) |
abe529af | 4200 | { |
419460f4 AW |
4201 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); |
4202 | ||
4203 | ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet); | |
0a740f48 | 4204 | } |
5bf0e941 | 4205 | |
0a740f48 EJ |
4206 | static enum ofperr |
4207 | rule_execute(struct rule *rule, const struct flow *flow, | |
cf62fa4c | 4208 | struct dp_packet *packet) |
0a740f48 EJ |
4209 | { |
4210 | rule_dpif_execute(rule_dpif_cast(rule), flow, packet); | |
cf62fa4c | 4211 | dp_packet_delete(packet); |
5bf0e941 | 4212 | return 0; |
abe529af BP |
4213 | } |
4214 | ||
00430a3f SH |
4215 | static struct group_dpif *group_dpif_cast(const struct ofgroup *group) |
4216 | { | |
4217 | return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL; | |
4218 | } | |
4219 | ||
4220 | static struct ofgroup * | |
4221 | group_alloc(void) | |
4222 | { | |
4223 | struct group_dpif *group = xzalloc(sizeof *group); | |
4224 | return &group->up; | |
4225 | } | |
4226 | ||
4227 | static void | |
4228 | group_dealloc(struct ofgroup *group_) | |
4229 | { | |
4230 | struct group_dpif *group = group_dpif_cast(group_); | |
4231 | free(group); | |
4232 | } | |
4233 | ||
4234 | static void | |
4235 | group_construct_stats(struct group_dpif *group) | |
4236 | OVS_REQUIRES(group->stats_mutex) | |
4237 | { | |
1e684d7d | 4238 | struct ofputil_bucket *bucket; |
ca6ba700 | 4239 | const struct ovs_list *buckets; |
1e684d7d | 4240 | |
00430a3f SH |
4241 | group->packet_count = 0; |
4242 | group->byte_count = 0; | |
1e684d7d RW |
4243 | |
4244 | group_dpif_get_buckets(group, &buckets); | |
4245 | LIST_FOR_EACH (bucket, list_node, buckets) { | |
4246 | bucket->stats.packet_count = 0; | |
4247 | bucket->stats.byte_count = 0; | |
00430a3f SH |
4248 | } |
4249 | } | |
4250 | ||
1e684d7d RW |
4251 | void |
4252 | group_dpif_credit_stats(struct group_dpif *group, | |
4253 | struct ofputil_bucket *bucket, | |
4254 | const struct dpif_flow_stats *stats) | |
4255 | { | |
4256 | ovs_mutex_lock(&group->stats_mutex); | |
4257 | group->packet_count += stats->n_packets; | |
4258 | group->byte_count += stats->n_bytes; | |
4259 | if (bucket) { | |
4260 | bucket->stats.packet_count += stats->n_packets; | |
4261 | bucket->stats.byte_count += stats->n_bytes; | |
4262 | } else { /* Credit to all buckets */ | |
ca6ba700 | 4263 | const struct ovs_list *buckets; |
1e684d7d RW |
4264 | |
4265 | group_dpif_get_buckets(group, &buckets); | |
4266 | LIST_FOR_EACH (bucket, list_node, buckets) { | |
4267 | bucket->stats.packet_count += stats->n_packets; | |
4268 | bucket->stats.byte_count += stats->n_bytes; | |
4269 | } | |
4270 | } | |
4271 | ovs_mutex_unlock(&group->stats_mutex); | |
4272 | } | |
4273 | ||
00430a3f SH |
4274 | static enum ofperr |
4275 | group_construct(struct ofgroup *group_) | |
4276 | { | |
4277 | struct group_dpif *group = group_dpif_cast(group_); | |
5a070238 | 4278 | |
97ba2d36 | 4279 | ovs_mutex_init_adaptive(&group->stats_mutex); |
00430a3f SH |
4280 | ovs_mutex_lock(&group->stats_mutex); |
4281 | group_construct_stats(group); | |
4282 | ovs_mutex_unlock(&group->stats_mutex); | |
4283 | return 0; | |
4284 | } | |
4285 | ||
00430a3f SH |
4286 | static void |
4287 | group_destruct(struct ofgroup *group_) | |
4288 | { | |
4289 | struct group_dpif *group = group_dpif_cast(group_); | |
00430a3f SH |
4290 | ovs_mutex_destroy(&group->stats_mutex); |
4291 | } | |
4292 | ||
4293 | static enum ofperr | |
809c7548 | 4294 | group_modify(struct ofgroup *group_) |
00430a3f | 4295 | { |
4c9dbc0b | 4296 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto); |
00430a3f | 4297 | |
4c9dbc0b BP |
4298 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
4299 | ||
00430a3f SH |
4300 | return 0; |
4301 | } | |
4302 | ||
4303 | static enum ofperr | |
4304 | group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs) | |
4305 | { | |
4306 | struct group_dpif *group = group_dpif_cast(group_); | |
1e684d7d | 4307 | struct ofputil_bucket *bucket; |
ca6ba700 | 4308 | const struct ovs_list *buckets; |
1e684d7d | 4309 | struct bucket_counter *bucket_stats; |
00430a3f | 4310 | |
00430a3f SH |
4311 | ovs_mutex_lock(&group->stats_mutex); |
4312 | ogs->packet_count = group->packet_count; | |
4313 | ogs->byte_count = group->byte_count; | |
1e684d7d RW |
4314 | |
4315 | group_dpif_get_buckets(group, &buckets); | |
4316 | bucket_stats = ogs->bucket_stats; | |
4317 | LIST_FOR_EACH (bucket, list_node, buckets) { | |
4318 | bucket_stats->packet_count = bucket->stats.packet_count; | |
4319 | bucket_stats->byte_count = bucket->stats.byte_count; | |
4320 | bucket_stats++; | |
4321 | } | |
00430a3f SH |
4322 | ovs_mutex_unlock(&group->stats_mutex); |
4323 | ||
4324 | return 0; | |
4325 | } | |
f4fb341b | 4326 | |
809c7548 RW |
4327 | /* If the group exists, this function increments the groups's reference count. |
4328 | * | |
4329 | * Make sure to call group_dpif_unref() after no longer needing to maintain | |
4330 | * a reference to the group. */ | |
f4fb341b SH |
4331 | bool |
4332 | group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id, | |
4333 | struct group_dpif **group) | |
f4fb341b SH |
4334 | { |
4335 | struct ofgroup *ofgroup; | |
4336 | bool found; | |
4337 | ||
f4fb341b SH |
4338 | found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup); |
4339 | *group = found ? group_dpif_cast(ofgroup) : NULL; | |
4340 | ||
4341 | return found; | |
4342 | } | |
4343 | ||
f4fb341b SH |
4344 | void |
4345 | group_dpif_get_buckets(const struct group_dpif *group, | |
ca6ba700 | 4346 | const struct ovs_list **buckets) |
f4fb341b SH |
4347 | { |
4348 | *buckets = &group->up.buckets; | |
4349 | } | |
4350 | ||
4351 | enum ofp11_group_type | |
4352 | group_dpif_get_type(const struct group_dpif *group) | |
4353 | { | |
4354 | return group->up.type; | |
4355 | } | |
7565c3e4 SH |
4356 | |
4357 | const char * | |
4358 | group_dpif_get_selection_method(const struct group_dpif *group) | |
4359 | { | |
4360 | return group->up.props.selection_method; | |
4361 | } | |
abe529af | 4362 | \f |
97d6520b | 4363 | /* Sends 'packet' out 'ofport'. |
52a90c29 | 4364 | * May modify 'packet'. |
abe529af | 4365 | * Returns 0 if successful, otherwise a positive errno value. */ |
91d6cd12 | 4366 | int |
cf62fa4c | 4367 | ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct dp_packet *packet) |
abe529af | 4368 | { |
79e15b78 | 4369 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
abe529af BP |
4370 | int error; |
4371 | ||
91d6cd12 | 4372 | error = xlate_send_packet(ofport, packet); |
79e15b78 | 4373 | |
0da3c61b | 4374 | ovs_mutex_lock(&ofproto->stats_mutex); |
79e15b78 | 4375 | ofproto->stats.tx_packets++; |
cf62fa4c | 4376 | ofproto->stats.tx_bytes += dp_packet_size(packet); |
0da3c61b | 4377 | ovs_mutex_unlock(&ofproto->stats_mutex); |
abe529af BP |
4378 | return error; |
4379 | } | |
0c4b9393 SH |
4380 | |
4381 | uint64_t | |
4382 | group_dpif_get_selection_method_param(const struct group_dpif *group) | |
4383 | { | |
4384 | return group->up.props.selection_method_param; | |
4385 | } | |
4386 | ||
4387 | const struct field_array * | |
4388 | group_dpif_get_fields(const struct group_dpif *group) | |
4389 | { | |
4390 | return &group->up.props.fields; | |
4391 | } | |
9583bc14 | 4392 | \f |
b5cbbcf6 AZ |
4393 | /* Return the version string of the datapath that backs up |
4394 | * this 'ofproto'. | |
4395 | */ | |
4396 | static const char * | |
4397 | get_datapath_version(const struct ofproto *ofproto_) | |
4398 | { | |
4399 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
4400 | ||
4401 | return ofproto->backer->dp_version_string; | |
4402 | } | |
4403 | ||
9583bc14 EJ |
4404 | static bool |
4405 | set_frag_handling(struct ofproto *ofproto_, | |
ad99e2ed | 4406 | enum ofputil_frag_handling frag_handling) |
abe529af BP |
4407 | { |
4408 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
ad99e2ed | 4409 | if (frag_handling != OFPUTIL_FRAG_REASM) { |
2cc3c58e | 4410 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7257b535 BP |
4411 | return true; |
4412 | } else { | |
4413 | return false; | |
4414 | } | |
abe529af BP |
4415 | } |
4416 | ||
90bf1e07 | 4417 | static enum ofperr |
cf62fa4c | 4418 | packet_out(struct ofproto *ofproto_, struct dp_packet *packet, |
abe529af | 4419 | const struct flow *flow, |
f25d0cf3 | 4420 | const struct ofpact *ofpacts, size_t ofpacts_len) |
abe529af | 4421 | { |
419460f4 AW |
4422 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
4423 | ||
4424 | ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts, | |
4425 | ofpacts_len, packet); | |
548de4dd | 4426 | return 0; |
abe529af | 4427 | } |
77ab5fd2 BP |
4428 | |
4429 | static enum ofperr | |
4430 | nxt_resume(struct ofproto *ofproto_, | |
4431 | const struct ofputil_packet_in_private *pin) | |
4432 | { | |
4433 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
4434 | ||
4435 | /* Translate pin into datapath actions. */ | |
4436 | uint64_t odp_actions_stub[1024 / 8]; | |
4437 | struct ofpbuf odp_actions = OFPBUF_STUB_INITIALIZER(odp_actions_stub); | |
4438 | enum slow_path_reason slow; | |
4439 | enum ofperr error = xlate_resume(ofproto, pin, &odp_actions, &slow); | |
4440 | ||
4441 | /* Steal 'pin->packet' and put it into a dp_packet. */ | |
4442 | struct dp_packet packet; | |
4443 | dp_packet_init(&packet, pin->public.packet_len); | |
4444 | dp_packet_put(&packet, pin->public.packet, pin->public.packet_len); | |
4445 | ||
4446 | /* Execute the datapath actions on the packet. */ | |
4447 | struct dpif_execute execute = { | |
4448 | .actions = odp_actions.data, | |
4449 | .actions_len = odp_actions.size, | |
4450 | .needs_help = (slow & SLOW_ACTION) != 0, | |
4451 | .packet = &packet, | |
4452 | }; | |
4453 | dpif_execute(ofproto->backer->dpif, &execute); | |
4454 | ||
4455 | /* Clean up. */ | |
4456 | ofpbuf_uninit(&odp_actions); | |
4457 | dp_packet_uninit(&packet); | |
4458 | ||
4459 | return error; | |
4460 | } | |
6fca1ffb BP |
4461 | \f |
4462 | /* NetFlow. */ | |
4463 | ||
4464 | static int | |
4465 | set_netflow(struct ofproto *ofproto_, | |
4466 | const struct netflow_options *netflow_options) | |
4467 | { | |
4468 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
4469 | ||
4470 | if (netflow_options) { | |
4471 | if (!ofproto->netflow) { | |
4472 | ofproto->netflow = netflow_create(); | |
7bab1576 | 4473 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6fca1ffb BP |
4474 | } |
4475 | return netflow_set_options(ofproto->netflow, netflow_options); | |
7bab1576 EJ |
4476 | } else if (ofproto->netflow) { |
4477 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
8e407f27 | 4478 | netflow_unref(ofproto->netflow); |
6fca1ffb | 4479 | ofproto->netflow = NULL; |
6fca1ffb | 4480 | } |
7bab1576 EJ |
4481 | |
4482 | return 0; | |
6fca1ffb | 4483 | } |
abe529af BP |
4484 | |
4485 | static void | |
4486 | get_netflow_ids(const struct ofproto *ofproto_, | |
4487 | uint8_t *engine_type, uint8_t *engine_id) | |
4488 | { | |
4489 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
4490 | ||
acf60855 | 4491 | dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id); |
abe529af BP |
4492 | } |
4493 | \f | |
4494 | static struct ofproto_dpif * | |
4495 | ofproto_dpif_lookup(const char *name) | |
4496 | { | |
b44a10b7 BP |
4497 | struct ofproto_dpif *ofproto; |
4498 | ||
4499 | HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node, | |
4500 | hash_string(name, 0), &all_ofproto_dpifs) { | |
4501 | if (!strcmp(ofproto->up.name, name)) { | |
4502 | return ofproto; | |
4503 | } | |
4504 | } | |
4505 | return NULL; | |
abe529af BP |
4506 | } |
4507 | ||
f0a3aa2e | 4508 | static void |
96e466a3 | 4509 | ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc, |
0e15264f | 4510 | const char *argv[], void *aux OVS_UNUSED) |
f0a3aa2e | 4511 | { |
490df1ef | 4512 | struct ofproto_dpif *ofproto; |
f0a3aa2e | 4513 | |
96e466a3 EJ |
4514 | if (argc > 1) { |
4515 | ofproto = ofproto_dpif_lookup(argv[1]); | |
4516 | if (!ofproto) { | |
bde9f75d | 4517 | unixctl_command_reply_error(conn, "no such bridge"); |
96e466a3 EJ |
4518 | return; |
4519 | } | |
509c0149 | 4520 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 4521 | mac_learning_flush(ofproto->ml); |
509c0149 | 4522 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 EJ |
4523 | } else { |
4524 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
509c0149 | 4525 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 4526 | mac_learning_flush(ofproto->ml); |
509c0149 | 4527 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 | 4528 | } |
f0a3aa2e | 4529 | } |
f0a3aa2e | 4530 | |
bde9f75d | 4531 | unixctl_command_reply(conn, "table successfully flushed"); |
f0a3aa2e AA |
4532 | } |
4533 | ||
08fdcc12 FL |
4534 | static void |
4535 | ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn *conn, int argc, | |
4536 | const char *argv[], void *aux OVS_UNUSED) | |
4537 | { | |
4538 | struct ofproto_dpif *ofproto; | |
4539 | ||
4540 | if (argc > 1) { | |
4541 | ofproto = ofproto_dpif_lookup(argv[1]); | |
4542 | if (!ofproto) { | |
4543 | unixctl_command_reply_error(conn, "no such bridge"); | |
4544 | return; | |
4545 | } | |
4546 | ||
4547 | if (!mcast_snooping_enabled(ofproto->ms)) { | |
4548 | unixctl_command_reply_error(conn, "multicast snooping is disabled"); | |
4549 | return; | |
4550 | } | |
4551 | mcast_snooping_mdb_flush(ofproto->ms); | |
4552 | } else { | |
4553 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
4554 | if (!mcast_snooping_enabled(ofproto->ms)) { | |
4555 | continue; | |
4556 | } | |
4557 | mcast_snooping_mdb_flush(ofproto->ms); | |
4558 | } | |
4559 | } | |
4560 | ||
4561 | unixctl_command_reply(conn, "table successfully flushed"); | |
4562 | } | |
4563 | ||
46c88433 EJ |
4564 | static struct ofport_dpif * |
4565 | ofbundle_get_a_port(const struct ofbundle *bundle) | |
4566 | { | |
4567 | return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif, | |
4568 | bundle_node); | |
4569 | } | |
4570 | ||
abe529af | 4571 | static void |
0e15264f BP |
4572 | ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
4573 | const char *argv[], void *aux OVS_UNUSED) | |
abe529af BP |
4574 | { |
4575 | struct ds ds = DS_EMPTY_INITIALIZER; | |
4576 | const struct ofproto_dpif *ofproto; | |
4577 | const struct mac_entry *e; | |
4578 | ||
0e15264f | 4579 | ofproto = ofproto_dpif_lookup(argv[1]); |
abe529af | 4580 | if (!ofproto) { |
bde9f75d | 4581 | unixctl_command_reply_error(conn, "no such bridge"); |
abe529af BP |
4582 | return; |
4583 | } | |
4584 | ||
4585 | ds_put_cstr(&ds, " port VLAN MAC Age\n"); | |
509c0149 | 4586 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af | 4587 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
9d078ec2 | 4588 | struct ofbundle *bundle = mac_entry_get_port(ofproto->ml, e); |
ad28062f BP |
4589 | char name[OFP_MAX_PORT_NAME_LEN]; |
4590 | ||
4591 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
4592 | name, sizeof name); | |
4593 | ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n", | |
4594 | name, e->vlan, ETH_ADDR_ARGS(e->mac), | |
e764773c | 4595 | mac_entry_age(ofproto->ml, e)); |
abe529af | 4596 | } |
509c0149 | 4597 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
bde9f75d | 4598 | unixctl_command_reply(conn, ds_cstr(&ds)); |
abe529af BP |
4599 | ds_destroy(&ds); |
4600 | } | |
4601 | ||
08fdcc12 FL |
4602 | static void |
4603 | ofproto_unixctl_mcast_snooping_show(struct unixctl_conn *conn, | |
4604 | int argc OVS_UNUSED, | |
4605 | const char *argv[], | |
4606 | void *aux OVS_UNUSED) | |
4607 | { | |
4608 | struct ds ds = DS_EMPTY_INITIALIZER; | |
4609 | const struct ofproto_dpif *ofproto; | |
4610 | const struct ofbundle *bundle; | |
4611 | const struct mcast_group *grp; | |
4612 | struct mcast_group_bundle *b; | |
4613 | struct mcast_mrouter_bundle *mrouter; | |
4614 | ||
4615 | ofproto = ofproto_dpif_lookup(argv[1]); | |
4616 | if (!ofproto) { | |
4617 | unixctl_command_reply_error(conn, "no such bridge"); | |
4618 | return; | |
4619 | } | |
4620 | ||
4621 | if (!mcast_snooping_enabled(ofproto->ms)) { | |
4622 | unixctl_command_reply_error(conn, "multicast snooping is disabled"); | |
4623 | return; | |
4624 | } | |
4625 | ||
4626 | ds_put_cstr(&ds, " port VLAN GROUP Age\n"); | |
4627 | ovs_rwlock_rdlock(&ofproto->ms->rwlock); | |
4628 | LIST_FOR_EACH (grp, group_node, &ofproto->ms->group_lru) { | |
4629 | LIST_FOR_EACH(b, bundle_node, &grp->bundle_lru) { | |
4630 | char name[OFP_MAX_PORT_NAME_LEN]; | |
4631 | ||
4632 | bundle = b->port; | |
4633 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
4634 | name, sizeof name); | |
964a4d5f | 4635 | ds_put_format(&ds, "%5s %4d ", name, grp->vlan); |
ac6d120f | 4636 | ipv6_format_mapped(&grp->addr, &ds); |
964a4d5f | 4637 | ds_put_format(&ds, " %3d\n", |
08fdcc12 FL |
4638 | mcast_bundle_age(ofproto->ms, b)); |
4639 | } | |
4640 | } | |
4641 | ||
4642 | /* ports connected to multicast routers */ | |
4643 | LIST_FOR_EACH(mrouter, mrouter_node, &ofproto->ms->mrouter_lru) { | |
4644 | char name[OFP_MAX_PORT_NAME_LEN]; | |
4645 | ||
4646 | bundle = mrouter->port; | |
4647 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
4648 | name, sizeof name); | |
c4bb1f8b | 4649 | ds_put_format(&ds, "%5s %4d querier %3d\n", |
08fdcc12 FL |
4650 | name, mrouter->vlan, |
4651 | mcast_mrouter_age(ofproto->ms, mrouter)); | |
4652 | } | |
4653 | ovs_rwlock_unlock(&ofproto->ms->rwlock); | |
4654 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4655 | ds_destroy(&ds); | |
4656 | } | |
4657 | ||
6a6455e5 | 4658 | struct trace_ctx { |
bbafd73b EJ |
4659 | struct xlate_out xout; |
4660 | struct xlate_in xin; | |
ce58df5b | 4661 | const struct flow *key; |
abe529af BP |
4662 | struct flow flow; |
4663 | struct ds *result; | |
1520ef4f BP |
4664 | struct flow_wildcards wc; |
4665 | struct ofpbuf odp_actions; | |
abe529af BP |
4666 | }; |
4667 | ||
4668 | static void | |
4d0acc70 | 4669 | trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule) |
abe529af | 4670 | { |
dc723c44 | 4671 | const struct rule_actions *actions; |
15aaf599 BP |
4672 | ovs_be64 cookie; |
4673 | ||
abe529af BP |
4674 | ds_put_char_multiple(result, '\t', level); |
4675 | if (!rule) { | |
4676 | ds_put_cstr(result, "No match\n"); | |
4677 | return; | |
4678 | } | |
4679 | ||
15aaf599 BP |
4680 | ovs_mutex_lock(&rule->up.mutex); |
4681 | cookie = rule->up.flow_cookie; | |
4682 | ovs_mutex_unlock(&rule->up.mutex); | |
4683 | ||
29901626 | 4684 | ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ", |
15aaf599 | 4685 | rule ? rule->up.table_id : 0, ntohll(cookie)); |
79feb7df | 4686 | cls_rule_format(&rule->up.cr, result); |
abe529af BP |
4687 | ds_put_char(result, '\n'); |
4688 | ||
15aaf599 BP |
4689 | actions = rule_dpif_get_actions(rule); |
4690 | ||
abe529af | 4691 | ds_put_char_multiple(result, '\t', level); |
455ecd77 | 4692 | ds_put_cstr(result, "OpenFlow actions="); |
15aaf599 | 4693 | ofpacts_format(actions->ofpacts, actions->ofpacts_len, result); |
abe529af BP |
4694 | ds_put_char(result, '\n'); |
4695 | } | |
4696 | ||
4697 | static void | |
4698 | trace_format_flow(struct ds *result, int level, const char *title, | |
bbafd73b | 4699 | struct trace_ctx *trace) |
abe529af BP |
4700 | { |
4701 | ds_put_char_multiple(result, '\t', level); | |
4702 | ds_put_format(result, "%s: ", title); | |
ce58df5b JR |
4703 | /* Do not report unchanged flows for resubmits. */ |
4704 | if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow)) | |
4705 | || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) { | |
abe529af BP |
4706 | ds_put_cstr(result, "unchanged"); |
4707 | } else { | |
bbafd73b EJ |
4708 | flow_format(result, &trace->xin.flow); |
4709 | trace->flow = trace->xin.flow; | |
abe529af BP |
4710 | } |
4711 | ds_put_char(result, '\n'); | |
4712 | } | |
4713 | ||
eb9e1c26 EJ |
4714 | static void |
4715 | trace_format_regs(struct ds *result, int level, const char *title, | |
6a6455e5 | 4716 | struct trace_ctx *trace) |
eb9e1c26 EJ |
4717 | { |
4718 | size_t i; | |
4719 | ||
4720 | ds_put_char_multiple(result, '\t', level); | |
4721 | ds_put_format(result, "%s:", title); | |
4722 | for (i = 0; i < FLOW_N_REGS; i++) { | |
34582733 | 4723 | ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]); |
eb9e1c26 EJ |
4724 | } |
4725 | ds_put_char(result, '\n'); | |
4726 | } | |
4727 | ||
1ed8d352 EJ |
4728 | static void |
4729 | trace_format_odp(struct ds *result, int level, const char *title, | |
6a6455e5 | 4730 | struct trace_ctx *trace) |
1ed8d352 | 4731 | { |
1520ef4f | 4732 | struct ofpbuf *odp_actions = &trace->odp_actions; |
1ed8d352 EJ |
4733 | |
4734 | ds_put_char_multiple(result, '\t', level); | |
4735 | ds_put_format(result, "%s: ", title); | |
6fd6ed71 | 4736 | format_odp_actions(result, odp_actions->data, odp_actions->size); |
1ed8d352 EJ |
4737 | ds_put_char(result, '\n'); |
4738 | } | |
4739 | ||
41a91a0b AW |
4740 | static void |
4741 | trace_format_megaflow(struct ds *result, int level, const char *title, | |
4742 | struct trace_ctx *trace) | |
4743 | { | |
4744 | struct match match; | |
4745 | ||
4746 | ds_put_char_multiple(result, '\t', level); | |
4747 | ds_put_format(result, "%s: ", title); | |
1520ef4f | 4748 | match_init(&match, trace->key, &trace->wc); |
41a91a0b AW |
4749 | match_format(&match, result, OFP_DEFAULT_PRIORITY); |
4750 | ds_put_char(result, '\n'); | |
4751 | } | |
4752 | ||
c1b3756c BP |
4753 | static void trace_report(struct xlate_in *, int recurse, |
4754 | const char *format, ...) | |
4755 | OVS_PRINTF_FORMAT(3, 4); | |
4756 | static void trace_report_valist(struct xlate_in *, int recurse, | |
4757 | const char *format, va_list args) | |
4758 | OVS_PRINTF_FORMAT(3, 0); | |
34dd0d78 | 4759 | |
abe529af | 4760 | static void |
4d0acc70 | 4761 | trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse) |
abe529af | 4762 | { |
4d0acc70 | 4763 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
abe529af BP |
4764 | struct ds *result = trace->result; |
4765 | ||
34dd0d78 JR |
4766 | if (!recurse) { |
4767 | if (rule == xin->ofproto->miss_rule) { | |
c1b3756c BP |
4768 | trace_report(xin, recurse, |
4769 | "No match, flow generates \"packet in\"s."); | |
34dd0d78 | 4770 | } else if (rule == xin->ofproto->no_packet_in_rule) { |
c1b3756c BP |
4771 | trace_report(xin, recurse, "No match, packets dropped because " |
4772 | "OFPPC_NO_PACKET_IN is set on in_port."); | |
34dd0d78 | 4773 | } else if (rule == xin->ofproto->drop_frags_rule) { |
c1b3756c | 4774 | trace_report(xin, recurse, "Packets dropped because they are IP " |
34dd0d78 | 4775 | "fragments and the fragment handling mode is " |
c1b3756c | 4776 | "\"drop\"."); |
34dd0d78 JR |
4777 | } |
4778 | } | |
4779 | ||
abe529af | 4780 | ds_put_char(result, '\n'); |
a8c31348 BP |
4781 | if (recurse) { |
4782 | trace_format_flow(result, recurse, "Resubmitted flow", trace); | |
4783 | trace_format_regs(result, recurse, "Resubmitted regs", trace); | |
4784 | trace_format_odp(result, recurse, "Resubmitted odp", trace); | |
4785 | trace_format_megaflow(result, recurse, "Resubmitted megaflow", trace); | |
4786 | } | |
4787 | trace_format_rule(result, recurse, rule); | |
abe529af BP |
4788 | } |
4789 | ||
479df176 | 4790 | static void |
c1b3756c BP |
4791 | trace_report_valist(struct xlate_in *xin, int recurse, |
4792 | const char *format, va_list args) | |
479df176 | 4793 | { |
4d0acc70 | 4794 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
479df176 BP |
4795 | struct ds *result = trace->result; |
4796 | ||
4d0acc70 | 4797 | ds_put_char_multiple(result, '\t', recurse); |
c1b3756c | 4798 | ds_put_format_valist(result, format, args); |
479df176 BP |
4799 | ds_put_char(result, '\n'); |
4800 | } | |
4801 | ||
c1b3756c BP |
4802 | static void |
4803 | trace_report(struct xlate_in *xin, int recurse, const char *format, ...) | |
4804 | { | |
4805 | va_list args; | |
4806 | ||
4807 | va_start(args, format); | |
4808 | trace_report_valist(xin, recurse, format, args); | |
4809 | va_end(args); | |
4810 | } | |
4811 | ||
b6f00895 BP |
4812 | /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following |
4813 | * forms are supported: | |
4814 | * | |
4815 | * - [dpname] odp_flow [-generate | packet] | |
4816 | * - bridge br_flow [-generate | packet] | |
4817 | * | |
4818 | * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure | |
316078c7 | 4819 | * returns a nonnull malloced error message. */ |
cab50449 | 4820 | static char * OVS_WARN_UNUSED_RESULT |
b6f00895 BP |
4821 | parse_flow_and_packet(int argc, const char *argv[], |
4822 | struct ofproto_dpif **ofprotop, struct flow *flow, | |
cf62fa4c | 4823 | struct dp_packet **packetp) |
abe529af | 4824 | { |
0a37839c | 4825 | const struct dpif_backer *backer = NULL; |
b6f00895 | 4826 | const char *error = NULL; |
316078c7 | 4827 | char *m_err = NULL; |
b6f00895 | 4828 | struct simap port_names = SIMAP_INITIALIZER(&port_names); |
cf62fa4c | 4829 | struct dp_packet *packet; |
b6f00895 BP |
4830 | struct ofpbuf odp_key; |
4831 | struct ofpbuf odp_mask; | |
abe529af | 4832 | |
50aa28fd | 4833 | ofpbuf_init(&odp_key, 0); |
ea5e3887 | 4834 | ofpbuf_init(&odp_mask, 0); |
abe529af | 4835 | |
50aa28fd AW |
4836 | /* Handle "-generate" or a hex string as the last argument. */ |
4837 | if (!strcmp(argv[argc - 1], "-generate")) { | |
cf62fa4c | 4838 | packet = dp_packet_new(0); |
50aa28fd AW |
4839 | argc--; |
4840 | } else { | |
b6f00895 | 4841 | error = eth_from_hex(argv[argc - 1], &packet); |
50aa28fd AW |
4842 | if (!error) { |
4843 | argc--; | |
4844 | } else if (argc == 4) { | |
4845 | /* The 3-argument form must end in "-generate' or a hex string. */ | |
50aa28fd AW |
4846 | goto exit; |
4847 | } | |
316078c7 | 4848 | error = NULL; |
e84173dc | 4849 | } |
876b0e1c | 4850 | |
0a37839c GS |
4851 | /* odp_flow can have its in_port specified as a name instead of port no. |
4852 | * We do not yet know whether a given flow is a odp_flow or a br_flow. | |
4853 | * But, to know whether a flow is odp_flow through odp_flow_from_string(), | |
4854 | * we need to create a simap of name to port no. */ | |
4855 | if (argc == 3) { | |
4856 | const char *dp_type; | |
4857 | if (!strncmp(argv[1], "ovs-", 4)) { | |
4858 | dp_type = argv[1] + 4; | |
4859 | } else { | |
4860 | dp_type = argv[1]; | |
4861 | } | |
4862 | backer = shash_find_data(&all_dpif_backers, dp_type); | |
b6f00895 | 4863 | } else if (argc == 2) { |
0a37839c GS |
4864 | struct shash_node *node; |
4865 | if (shash_count(&all_dpif_backers) == 1) { | |
4866 | node = shash_first(&all_dpif_backers); | |
4867 | backer = node->data; | |
4868 | } | |
b6f00895 BP |
4869 | } else { |
4870 | error = "Syntax error"; | |
4871 | goto exit; | |
0a37839c GS |
4872 | } |
4873 | if (backer && backer->dpif) { | |
4874 | struct dpif_port dpif_port; | |
4875 | struct dpif_port_dump port_dump; | |
4876 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) { | |
4877 | simap_put(&port_names, dpif_port.name, | |
4878 | odp_to_u32(dpif_port.port_no)); | |
4879 | } | |
4880 | } | |
4881 | ||
50aa28fd AW |
4882 | /* Parse the flow and determine whether a datapath or |
4883 | * bridge is specified. If function odp_flow_key_from_string() | |
4884 | * returns 0, the flow is a odp_flow. If function | |
316078c7 | 4885 | * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */ |
b6f00895 BP |
4886 | if (!odp_flow_from_string(argv[argc - 1], &port_names, |
4887 | &odp_key, &odp_mask)) { | |
0a37839c | 4888 | if (!backer) { |
b6f00895 | 4889 | error = "Cannot find the datapath"; |
0a37839c | 4890 | goto exit; |
876b0e1c | 4891 | } |
8b3b8dd1 | 4892 | |
6fd6ed71 | 4893 | if (odp_flow_key_to_flow(odp_key.data, odp_key.size, flow) == ODP_FIT_ERROR) { |
5dd63cf5 | 4894 | error = "Failed to parse datapath flow key"; |
cc377352 EJ |
4895 | goto exit; |
4896 | } | |
4897 | ||
ef377a58 JR |
4898 | *ofprotop = xlate_lookup_ofproto(backer, flow, |
4899 | &flow->in_port.ofp_port); | |
4900 | if (*ofprotop == NULL) { | |
b6f00895 | 4901 | error = "Invalid datapath flow"; |
50aa28fd | 4902 | goto exit; |
8b3b8dd1 | 4903 | } |
cc377352 EJ |
4904 | |
4905 | vsp_adjust_flow(*ofprotop, flow, NULL); | |
4906 | ||
316078c7 JR |
4907 | } else { |
4908 | char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL); | |
876b0e1c | 4909 | |
316078c7 | 4910 | if (err) { |
5dd63cf5 | 4911 | m_err = xasprintf("Bad openflow flow syntax: %s", err); |
316078c7 | 4912 | free(err); |
50aa28fd | 4913 | goto exit; |
316078c7 JR |
4914 | } else { |
4915 | if (argc != 3) { | |
4916 | error = "Must specify bridge name"; | |
4917 | goto exit; | |
4918 | } | |
4919 | ||
4920 | *ofprotop = ofproto_dpif_lookup(argv[1]); | |
4921 | if (!*ofprotop) { | |
4922 | error = "Unknown bridge name"; | |
4923 | goto exit; | |
4924 | } | |
50aa28fd | 4925 | } |
abe529af BP |
4926 | } |
4927 | ||
50aa28fd AW |
4928 | /* Generate a packet, if requested. */ |
4929 | if (packet) { | |
cf62fa4c | 4930 | if (!dp_packet_size(packet)) { |
b6f00895 | 4931 | flow_compose(packet, flow); |
50aa28fd | 4932 | } else { |
50aa28fd AW |
4933 | /* Use the metadata from the flow and the packet argument |
4934 | * to reconstruct the flow. */ | |
cf62fa4c PS |
4935 | pkt_metadata_from_flow(&packet->md, flow); |
4936 | flow_extract(packet, flow); | |
50aa28fd AW |
4937 | } |
4938 | } | |
4939 | ||
6a6455e5 | 4940 | exit: |
316078c7 JR |
4941 | if (error && !m_err) { |
4942 | m_err = xstrdup(error); | |
4943 | } | |
4944 | if (m_err) { | |
cf62fa4c | 4945 | dp_packet_delete(packet); |
b6f00895 BP |
4946 | packet = NULL; |
4947 | } | |
4948 | *packetp = packet; | |
6a6455e5 | 4949 | ofpbuf_uninit(&odp_key); |
ea5e3887 | 4950 | ofpbuf_uninit(&odp_mask); |
0a37839c | 4951 | simap_destroy(&port_names); |
316078c7 | 4952 | return m_err; |
b6f00895 BP |
4953 | } |
4954 | ||
4955 | static void | |
4956 | ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[], | |
4957 | void *aux OVS_UNUSED) | |
4958 | { | |
4959 | struct ofproto_dpif *ofproto; | |
cf62fa4c | 4960 | struct dp_packet *packet; |
316078c7 | 4961 | char *error; |
b6f00895 BP |
4962 | struct flow flow; |
4963 | ||
4964 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
4965 | if (!error) { | |
4966 | struct ds result; | |
4967 | ||
4968 | ds_init(&result); | |
aee0979b | 4969 | ofproto_trace(ofproto, &flow, packet, NULL, 0, &result); |
b6f00895 BP |
4970 | unixctl_command_reply(conn, ds_cstr(&result)); |
4971 | ds_destroy(&result); | |
cf62fa4c | 4972 | dp_packet_delete(packet); |
b6f00895 BP |
4973 | } else { |
4974 | unixctl_command_reply_error(conn, error); | |
316078c7 | 4975 | free(error); |
b6f00895 | 4976 | } |
6a6455e5 EJ |
4977 | } |
4978 | ||
aee0979b BP |
4979 | static void |
4980 | ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc, | |
4981 | const char *argv[], void *aux OVS_UNUSED) | |
4982 | { | |
4983 | enum ofputil_protocol usable_protocols; | |
4984 | struct ofproto_dpif *ofproto; | |
4985 | bool enforce_consistency; | |
4986 | struct ofpbuf ofpacts; | |
cf62fa4c | 4987 | struct dp_packet *packet; |
aee0979b BP |
4988 | struct ds result; |
4989 | struct flow flow; | |
4990 | uint16_t in_port; | |
4991 | ||
4992 | /* Three kinds of error return values! */ | |
4993 | enum ofperr retval; | |
316078c7 | 4994 | char *error; |
aee0979b BP |
4995 | |
4996 | packet = NULL; | |
4997 | ds_init(&result); | |
4998 | ofpbuf_init(&ofpacts, 0); | |
4999 | ||
5000 | /* Parse actions. */ | |
c2d936a4 | 5001 | error = ofpacts_parse_actions(argv[--argc], &ofpacts, &usable_protocols); |
316078c7 JR |
5002 | if (error) { |
5003 | unixctl_command_reply_error(conn, error); | |
5004 | free(error); | |
aee0979b BP |
5005 | goto exit; |
5006 | } | |
5007 | ||
5008 | /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of | |
ba2fe8e9 BP |
5009 | * consistency between the flow and the actions. With -consistent, we |
5010 | * enforce consistency even for a flow supported in OpenFlow 1.0. */ | |
aee0979b BP |
5011 | if (!strcmp(argv[1], "-consistent")) { |
5012 | enforce_consistency = true; | |
5013 | argv++; | |
5014 | argc--; | |
ba2fe8e9 BP |
5015 | } else { |
5016 | enforce_consistency = false; | |
aee0979b BP |
5017 | } |
5018 | ||
5019 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
5020 | if (error) { | |
5021 | unixctl_command_reply_error(conn, error); | |
316078c7 | 5022 | free(error); |
aee0979b BP |
5023 | goto exit; |
5024 | } | |
5025 | ||
5026 | /* Do the same checks as handle_packet_out() in ofproto.c. | |
5027 | * | |
b8778a0d | 5028 | * We pass a 'table_id' of 0 to ofpacts_check(), which isn't |
aee0979b BP |
5029 | * strictly correct because these actions aren't in any table, but it's OK |
5030 | * because it 'table_id' is used only to check goto_table instructions, but | |
5031 | * packet-outs take a list of actions and therefore it can't include | |
5032 | * instructions. | |
5033 | * | |
5034 | * We skip the "meter" check here because meter is an instruction, not an | |
5035 | * action, and thus cannot appear in ofpacts. */ | |
5036 | in_port = ofp_to_u16(flow.in_port.ofp_port); | |
5037 | if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) { | |
5038 | unixctl_command_reply_error(conn, "invalid in_port"); | |
5039 | goto exit; | |
5040 | } | |
ba2fe8e9 | 5041 | if (enforce_consistency) { |
89108874 JR |
5042 | retval = ofpacts_check_consistency(ofpacts.data, ofpacts.size, &flow, |
5043 | u16_to_ofp(ofproto->up.max_ports), | |
5044 | 0, ofproto->up.n_tables, | |
5045 | usable_protocols); | |
ba2fe8e9 | 5046 | } else { |
6fd6ed71 | 5047 | retval = ofpacts_check(ofpacts.data, ofpacts.size, &flow, |
89108874 JR |
5048 | u16_to_ofp(ofproto->up.max_ports), 0, |
5049 | ofproto->up.n_tables, &usable_protocols); | |
5050 | } | |
5051 | if (!retval) { | |
5052 | retval = ofproto_check_ofpacts(&ofproto->up, ofpacts.data, | |
5053 | ofpacts.size); | |
ba2fe8e9 BP |
5054 | } |
5055 | ||
aee0979b BP |
5056 | if (retval) { |
5057 | ds_clear(&result); | |
5058 | ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval)); | |
5059 | unixctl_command_reply_error(conn, ds_cstr(&result)); | |
5060 | goto exit; | |
5061 | } | |
5062 | ||
1f317cb5 | 5063 | ofproto_trace(ofproto, &flow, packet, |
6fd6ed71 | 5064 | ofpacts.data, ofpacts.size, &result); |
aee0979b BP |
5065 | unixctl_command_reply(conn, ds_cstr(&result)); |
5066 | ||
5067 | exit: | |
5068 | ds_destroy(&result); | |
cf62fa4c | 5069 | dp_packet_delete(packet); |
aee0979b BP |
5070 | ofpbuf_uninit(&ofpacts); |
5071 | } | |
5072 | ||
5073 | /* Implements a "trace" through 'ofproto''s flow table, appending a textual | |
5074 | * description of the results to 'ds'. | |
5075 | * | |
5076 | * The trace follows a packet with the specified 'flow' through the flow | |
5077 | * table. 'packet' may be nonnull to trace an actual packet, with consequent | |
5078 | * side effects (if it is nonnull then its flow must be 'flow'). | |
5079 | * | |
5080 | * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to | |
5081 | * trace, otherwise the actions are determined by a flow table lookup. */ | |
ade6ad9c | 5082 | static void |
adcf00ba | 5083 | ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow, |
cf62fa4c | 5084 | const struct dp_packet *packet, |
aee0979b BP |
5085 | const struct ofpact ofpacts[], size_t ofpacts_len, |
5086 | struct ds *ds) | |
6a6455e5 | 5087 | { |
41a91a0b | 5088 | struct trace_ctx trace; |
fff1b9c0 | 5089 | enum xlate_error error; |
6a6455e5 | 5090 | |
aee0979b | 5091 | ds_put_format(ds, "Bridge: %s\n", ofproto->up.name); |
6a6455e5 EJ |
5092 | ds_put_cstr(ds, "Flow: "); |
5093 | flow_format(ds, flow); | |
5094 | ds_put_char(ds, '\n'); | |
abe529af | 5095 | |
1520ef4f BP |
5096 | ofpbuf_init(&trace.odp_actions, 0); |
5097 | ||
a8c31348 BP |
5098 | trace.result = ds; |
5099 | trace.key = flow; /* Original flow key, used for megaflow. */ | |
5100 | trace.flow = *flow; /* May be modified by actions. */ | |
5101 | xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, NULL, | |
1520ef4f BP |
5102 | ntohs(flow->tcp_flags), packet, &trace.wc, |
5103 | &trace.odp_actions); | |
a8c31348 BP |
5104 | trace.xin.ofpacts = ofpacts; |
5105 | trace.xin.ofpacts_len = ofpacts_len; | |
5106 | trace.xin.resubmit_hook = trace_resubmit; | |
c1b3756c | 5107 | trace.xin.report_hook = trace_report_valist; |
bcd2633a | 5108 | |
fff1b9c0 | 5109 | error = xlate_actions(&trace.xin, &trace.xout); |
a8c31348 | 5110 | ds_put_char(ds, '\n'); |
56de2148 | 5111 | trace.xin.flow.actset_output = 0; |
a8c31348 BP |
5112 | trace_format_flow(ds, 0, "Final flow", &trace); |
5113 | trace_format_megaflow(ds, 0, "Megaflow", &trace); | |
bcd2633a | 5114 | |
a8c31348 | 5115 | ds_put_cstr(ds, "Datapath actions: "); |
1520ef4f | 5116 | format_odp_actions(ds, trace.odp_actions.data, trace.odp_actions.size); |
876b0e1c | 5117 | |
fff1b9c0 JR |
5118 | if (error != XLATE_OK) { |
5119 | ds_put_format(ds, "\nTranslation failed (%s), packet is dropped.\n", | |
5120 | xlate_strerror(error)); | |
5121 | } else if (trace.xout.slow) { | |
a8c31348 | 5122 | enum slow_path_reason slow; |
04594cd5 | 5123 | |
a8c31348 BP |
5124 | ds_put_cstr(ds, "\nThis flow is handled by the userspace " |
5125 | "slow path because it:"); | |
04594cd5 | 5126 | |
a8c31348 BP |
5127 | slow = trace.xout.slow; |
5128 | while (slow) { | |
5129 | enum slow_path_reason bit = rightmost_1bit(slow); | |
04594cd5 | 5130 | |
a8c31348 BP |
5131 | ds_put_format(ds, "\n\t- %s.", |
5132 | slow_path_reason_to_explanation(bit)); | |
04594cd5 | 5133 | |
a8c31348 | 5134 | slow &= ~bit; |
876b0e1c | 5135 | } |
abe529af | 5136 | } |
a8c31348 BP |
5137 | |
5138 | xlate_out_uninit(&trace.xout); | |
1520ef4f | 5139 | ofpbuf_uninit(&trace.odp_actions); |
abe529af BP |
5140 | } |
5141 | ||
27022416 JP |
5142 | /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list |
5143 | * of the 'ofproto_shash' nodes. It is the responsibility of the caller | |
5144 | * to destroy 'ofproto_shash' and free the returned value. */ | |
5145 | static const struct shash_node ** | |
5146 | get_ofprotos(struct shash *ofproto_shash) | |
5147 | { | |
5148 | const struct ofproto_dpif *ofproto; | |
5149 | ||
5150 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
5151 | char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name); | |
5152 | shash_add_nocopy(ofproto_shash, name, ofproto); | |
5153 | } | |
5154 | ||
5155 | return shash_sort(ofproto_shash); | |
5156 | } | |
5157 | ||
5158 | static void | |
5159 | ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
5160 | const char *argv[] OVS_UNUSED, | |
5161 | void *aux OVS_UNUSED) | |
5162 | { | |
5163 | struct ds ds = DS_EMPTY_INITIALIZER; | |
5164 | struct shash ofproto_shash; | |
5165 | const struct shash_node **sorted_ofprotos; | |
5166 | int i; | |
5167 | ||
5168 | shash_init(&ofproto_shash); | |
5169 | sorted_ofprotos = get_ofprotos(&ofproto_shash); | |
5170 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
5171 | const struct shash_node *node = sorted_ofprotos[i]; | |
5172 | ds_put_format(&ds, "%s\n", node->name); | |
5173 | } | |
5174 | ||
5175 | shash_destroy(&ofproto_shash); | |
5176 | free(sorted_ofprotos); | |
5177 | ||
5178 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
5179 | ds_destroy(&ds); | |
5180 | } | |
5181 | ||
dc54ef36 EJ |
5182 | static void |
5183 | dpif_show_backer(const struct dpif_backer *backer, struct ds *ds) | |
27022416 | 5184 | { |
dc54ef36 | 5185 | const struct shash_node **ofprotos; |
e79a6c83 | 5186 | struct dpif_dp_stats dp_stats; |
dc54ef36 | 5187 | struct shash ofproto_shash; |
09672174 | 5188 | size_t i; |
655ab909 | 5189 | |
e79a6c83 | 5190 | dpif_get_dp_stats(backer->dpif, &dp_stats); |
655ab909 | 5191 | |
dc54ef36 | 5192 | ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n", |
e79a6c83 | 5193 | dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed); |
dc54ef36 | 5194 | |
dc54ef36 EJ |
5195 | shash_init(&ofproto_shash); |
5196 | ofprotos = get_ofprotos(&ofproto_shash); | |
5197 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
5198 | struct ofproto_dpif *ofproto = ofprotos[i]->data; | |
5199 | const struct shash_node **ports; | |
5200 | size_t j; | |
0a740f48 | 5201 | |
dc54ef36 EJ |
5202 | if (ofproto->backer != backer) { |
5203 | continue; | |
0a740f48 | 5204 | } |
27022416 | 5205 | |
e79a6c83 | 5206 | ds_put_format(ds, "\t%s:\n", ofproto->up.name); |
dc54ef36 EJ |
5207 | |
5208 | ports = shash_sort(&ofproto->up.port_by_name); | |
5209 | for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) { | |
5210 | const struct shash_node *node = ports[j]; | |
5211 | struct ofport *ofport = node->data; | |
5212 | struct smap config; | |
4e022ec0 | 5213 | odp_port_t odp_port; |
27022416 | 5214 | |
dc54ef36 EJ |
5215 | ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev), |
5216 | ofport->ofp_port); | |
27022416 | 5217 | |
dc54ef36 | 5218 | odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port); |
4e022ec0 | 5219 | if (odp_port != ODPP_NONE) { |
dc54ef36 EJ |
5220 | ds_put_format(ds, "%"PRIu32":", odp_port); |
5221 | } else { | |
5222 | ds_put_cstr(ds, "none:"); | |
5223 | } | |
27022416 | 5224 | |
dc54ef36 | 5225 | ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev)); |
27022416 | 5226 | |
dc54ef36 EJ |
5227 | smap_init(&config); |
5228 | if (!netdev_get_config(ofport->netdev, &config)) { | |
5229 | const struct smap_node **nodes; | |
5230 | size_t i; | |
27022416 | 5231 | |
dc54ef36 EJ |
5232 | nodes = smap_sort(&config); |
5233 | for (i = 0; i < smap_count(&config); i++) { | |
5234 | const struct smap_node *node = nodes[i]; | |
5235 | ds_put_format(ds, "%c %s=%s", i ? ',' : ':', | |
5236 | node->key, node->value); | |
5237 | } | |
5238 | free(nodes); | |
27022416 | 5239 | } |
dc54ef36 EJ |
5240 | smap_destroy(&config); |
5241 | ||
27022416 | 5242 | ds_put_char(ds, ')'); |
dc54ef36 | 5243 | ds_put_char(ds, '\n'); |
27022416 | 5244 | } |
dc54ef36 | 5245 | free(ports); |
27022416 | 5246 | } |
dc54ef36 EJ |
5247 | shash_destroy(&ofproto_shash); |
5248 | free(ofprotos); | |
27022416 JP |
5249 | } |
5250 | ||
5251 | static void | |
dc54ef36 EJ |
5252 | ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
5253 | const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED) | |
27022416 JP |
5254 | { |
5255 | struct ds ds = DS_EMPTY_INITIALIZER; | |
dc54ef36 EJ |
5256 | const struct shash_node **backers; |
5257 | int i; | |
27022416 | 5258 | |
dc54ef36 EJ |
5259 | backers = shash_sort(&all_dpif_backers); |
5260 | for (i = 0; i < shash_count(&all_dpif_backers); i++) { | |
5261 | dpif_show_backer(backers[i]->data, &ds); | |
27022416 | 5262 | } |
dc54ef36 | 5263 | free(backers); |
27022416 JP |
5264 | |
5265 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
5266 | ds_destroy(&ds); | |
5267 | } | |
5268 | ||
5269 | static void | |
5270 | ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn, | |
5271 | int argc OVS_UNUSED, const char *argv[], | |
5272 | void *aux OVS_UNUSED) | |
5273 | { | |
27022416 | 5274 | const struct ofproto_dpif *ofproto; |
ac64794a BP |
5275 | |
5276 | struct ds ds = DS_EMPTY_INITIALIZER; | |
04b541df | 5277 | bool verbosity = false; |
ac64794a | 5278 | |
04b541df GS |
5279 | struct dpif_port dpif_port; |
5280 | struct dpif_port_dump port_dump; | |
5281 | struct hmap portno_names; | |
ac64794a BP |
5282 | |
5283 | struct dpif_flow_dump *flow_dump; | |
5284 | struct dpif_flow_dump_thread *flow_dump_thread; | |
5285 | struct dpif_flow f; | |
938eaa50 | 5286 | int error; |
27022416 | 5287 | |
04b541df | 5288 | ofproto = ofproto_dpif_lookup(argv[argc - 1]); |
27022416 JP |
5289 | if (!ofproto) { |
5290 | unixctl_command_reply_error(conn, "no such bridge"); | |
5291 | return; | |
5292 | } | |
5293 | ||
04b541df GS |
5294 | if (argc > 2 && !strcmp(argv[1], "-m")) { |
5295 | verbosity = true; | |
5296 | } | |
5297 | ||
5298 | hmap_init(&portno_names); | |
5299 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) { | |
5300 | odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name); | |
5301 | } | |
5302 | ||
1b849273 | 5303 | ds_init(&ds); |
64bb477f | 5304 | flow_dump = dpif_flow_dump_create(ofproto->backer->dpif, false); |
ac64794a BP |
5305 | flow_dump_thread = dpif_flow_dump_thread_create(flow_dump); |
5306 | while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) { | |
ef377a58 JR |
5307 | struct flow flow; |
5308 | ||
5309 | if (odp_flow_key_to_flow(f.key, f.key_len, &flow) == ODP_FIT_ERROR | |
5310 | || xlate_lookup_ofproto(ofproto->backer, &flow, NULL) != ofproto) { | |
04d08d54 EJ |
5311 | continue; |
5312 | } | |
5313 | ||
70e5ed6f JS |
5314 | if (verbosity) { |
5315 | odp_format_ufid(&f.ufid, &ds); | |
5316 | ds_put_cstr(&ds, " "); | |
5317 | } | |
ac64794a BP |
5318 | odp_flow_format(f.key, f.key_len, f.mask, f.mask_len, |
5319 | &portno_names, &ds, verbosity); | |
1b849273 | 5320 | ds_put_cstr(&ds, ", "); |
ac64794a | 5321 | dpif_flow_stats_format(&f.stats, &ds); |
27022416 | 5322 | ds_put_cstr(&ds, ", actions:"); |
ac64794a | 5323 | format_odp_actions(&ds, f.actions, f.actions_len); |
27022416 JP |
5324 | ds_put_char(&ds, '\n'); |
5325 | } | |
ac64794a BP |
5326 | dpif_flow_dump_thread_destroy(flow_dump_thread); |
5327 | error = dpif_flow_dump_destroy(flow_dump); | |
27022416 | 5328 | |
938eaa50 | 5329 | if (error) { |
1b849273 JS |
5330 | ds_clear(&ds); |
5331 | ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno)); | |
5332 | unixctl_command_reply_error(conn, ds_cstr(&ds)); | |
5333 | } else { | |
5334 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
5335 | } | |
04b541df GS |
5336 | odp_portno_names_destroy(&portno_names); |
5337 | hmap_destroy(&portno_names); | |
27022416 JP |
5338 | ds_destroy(&ds); |
5339 | } | |
5340 | ||
abe529af | 5341 | static void |
a36de779 PS |
5342 | ofproto_revalidate_all_backers(void) |
5343 | { | |
5344 | const struct shash_node **backers; | |
5345 | int i; | |
5346 | ||
5347 | backers = shash_sort(&all_dpif_backers); | |
5348 | for (i = 0; i < shash_count(&all_dpif_backers); i++) { | |
5349 | struct dpif_backer *backer = backers[i]->data; | |
5350 | backer->need_revalidate = REV_RECONFIGURE; | |
5351 | } | |
5352 | free(backers); | |
5353 | } | |
5354 | ||
5355 | static void | |
5356 | disable_tnl_push_pop(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED, | |
5357 | const char *argv[], void *aux OVS_UNUSED) | |
5358 | { | |
5359 | if (!strcasecmp(argv[1], "off")) { | |
5360 | ofproto_use_tnl_push_pop = false; | |
5361 | unixctl_command_reply(conn, "Tunnel push-pop off"); | |
5362 | ofproto_revalidate_all_backers(); | |
5363 | } else if (!strcasecmp(argv[1], "on")) { | |
5364 | ofproto_use_tnl_push_pop = true; | |
5365 | unixctl_command_reply(conn, "Tunnel push-pop on"); | |
5366 | ofproto_revalidate_all_backers(); | |
a6313b25 IM |
5367 | } else { |
5368 | unixctl_command_reply_error(conn, "Invalid argument"); | |
a36de779 PS |
5369 | } |
5370 | } | |
5371 | ||
5372 | static void | |
5373 | ofproto_unixctl_init(void) | |
abe529af BP |
5374 | { |
5375 | static bool registered; | |
5376 | if (registered) { | |
5377 | return; | |
5378 | } | |
5379 | registered = true; | |
5380 | ||
0e15264f BP |
5381 | unixctl_command_register( |
5382 | "ofproto/trace", | |
dc8ce81f | 5383 | "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]", |
50aa28fd | 5384 | 1, 3, ofproto_unixctl_trace, NULL); |
aee0979b BP |
5385 | unixctl_command_register( |
5386 | "ofproto/trace-packet-out", | |
5387 | "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions", | |
5388 | 2, 6, ofproto_unixctl_trace_actions, NULL); | |
96e466a3 | 5389 | unixctl_command_register("fdb/flush", "[bridge]", 0, 1, |
0e15264f BP |
5390 | ofproto_unixctl_fdb_flush, NULL); |
5391 | unixctl_command_register("fdb/show", "bridge", 1, 1, | |
5392 | ofproto_unixctl_fdb_show, NULL); | |
08fdcc12 FL |
5393 | unixctl_command_register("mdb/flush", "[bridge]", 0, 1, |
5394 | ofproto_unixctl_mcast_snooping_flush, NULL); | |
5395 | unixctl_command_register("mdb/show", "bridge", 1, 1, | |
5396 | ofproto_unixctl_mcast_snooping_show, NULL); | |
27022416 JP |
5397 | unixctl_command_register("dpif/dump-dps", "", 0, 0, |
5398 | ofproto_unixctl_dpif_dump_dps, NULL); | |
dc54ef36 EJ |
5399 | unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show, |
5400 | NULL); | |
04b541df | 5401 | unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2, |
27022416 | 5402 | ofproto_unixctl_dpif_dump_flows, NULL); |
a36de779 PS |
5403 | |
5404 | unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1, | |
5405 | disable_tnl_push_pop, NULL); | |
abe529af | 5406 | } |
32260212 | 5407 | |
56c091ec SH |
5408 | /* Returns true if 'table' is the table used for internal rules, |
5409 | * false otherwise. */ | |
5410 | bool | |
5411 | table_is_internal(uint8_t table_id) | |
5412 | { | |
5413 | return table_id == TBL_INTERNAL; | |
5414 | } | |
abe529af | 5415 | \f |
52a90c29 BP |
5416 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
5417 | * | |
5418 | * This is deprecated. It is only for compatibility with broken device drivers | |
5419 | * in old versions of Linux that do not properly support VLANs when VLAN | |
5420 | * devices are not used. When broken device drivers are no longer in | |
5421 | * widespread use, we will delete these interfaces. */ | |
5422 | ||
5423 | static int | |
4e022ec0 | 5424 | set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
5425 | { |
5426 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
5427 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
5428 | ||
5429 | if (realdev_ofp_port == ofport->realdev_ofp_port | |
5430 | && vid == ofport->vlandev_vid) { | |
5431 | return 0; | |
5432 | } | |
5433 | ||
2cc3c58e | 5434 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
52a90c29 BP |
5435 | |
5436 | if (ofport->realdev_ofp_port) { | |
5437 | vsp_remove(ofport); | |
5438 | } | |
5439 | if (realdev_ofp_port && ofport->bundle) { | |
5440 | /* vlandevs are enslaved to their realdevs, so they are not allowed to | |
5441 | * themselves be part of a bundle. */ | |
adcf00ba | 5442 | bundle_set(ofport_->ofproto, ofport->bundle, NULL); |
52a90c29 BP |
5443 | } |
5444 | ||
5445 | ofport->realdev_ofp_port = realdev_ofp_port; | |
5446 | ofport->vlandev_vid = vid; | |
5447 | ||
5448 | if (realdev_ofp_port) { | |
5449 | vsp_add(ofport, realdev_ofp_port, vid); | |
5450 | } | |
5451 | ||
5452 | return 0; | |
5453 | } | |
5454 | ||
5455 | static uint32_t | |
4e022ec0 | 5456 | hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid) |
52a90c29 | 5457 | { |
4e022ec0 | 5458 | return hash_2words(ofp_to_u16(realdev_ofp_port), vid); |
52a90c29 BP |
5459 | } |
5460 | ||
46c88433 EJ |
5461 | bool |
5462 | ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto) | |
13501305 | 5463 | OVS_EXCLUDED(ofproto->vsp_mutex) |
46c88433 | 5464 | { |
7614e5d0 JR |
5465 | /* hmap_is_empty is thread safe. */ |
5466 | return !hmap_is_empty(&ofproto->realdev_vid_map); | |
46c88433 EJ |
5467 | } |
5468 | ||
f5374617 | 5469 | |
13501305 EJ |
5470 | static ofp_port_t |
5471 | vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto, | |
5472 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
5473 | OVS_REQUIRES(ofproto->vsp_mutex) | |
52a90c29 BP |
5474 | { |
5475 | if (!hmap_is_empty(&ofproto->realdev_vid_map)) { | |
52a90c29 BP |
5476 | int vid = vlan_tci_to_vid(vlan_tci); |
5477 | const struct vlan_splinter *vsp; | |
5478 | ||
5479 | HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node, | |
5480 | hash_realdev_vid(realdev_ofp_port, vid), | |
5481 | &ofproto->realdev_vid_map) { | |
5482 | if (vsp->realdev_ofp_port == realdev_ofp_port | |
5483 | && vsp->vid == vid) { | |
deea1200 | 5484 | return vsp->vlandev_ofp_port; |
52a90c29 BP |
5485 | } |
5486 | } | |
5487 | } | |
deea1200 | 5488 | return realdev_ofp_port; |
52a90c29 BP |
5489 | } |
5490 | ||
13501305 EJ |
5491 | /* Returns the OFP port number of the Linux VLAN device that corresponds to |
5492 | * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in | |
5493 | * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and | |
5494 | * 'vlan_tci' 9, it would return the port number of eth0.9. | |
5495 | * | |
5496 | * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this | |
5497 | * function just returns its 'realdev_ofp_port' argument. */ | |
5498 | ofp_port_t | |
5499 | vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto, | |
5500 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
5501 | OVS_EXCLUDED(ofproto->vsp_mutex) | |
5502 | { | |
5503 | ofp_port_t ret; | |
5504 | ||
7614e5d0 JR |
5505 | /* hmap_is_empty is thread safe, see if we can return immediately. */ |
5506 | if (hmap_is_empty(&ofproto->realdev_vid_map)) { | |
5507 | return realdev_ofp_port; | |
5508 | } | |
13501305 EJ |
5509 | ovs_mutex_lock(&ofproto->vsp_mutex); |
5510 | ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci); | |
5511 | ovs_mutex_unlock(&ofproto->vsp_mutex); | |
5512 | return ret; | |
5513 | } | |
5514 | ||
52a90c29 | 5515 | static struct vlan_splinter * |
4e022ec0 | 5516 | vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port) |
52a90c29 BP |
5517 | { |
5518 | struct vlan_splinter *vsp; | |
5519 | ||
4e022ec0 | 5520 | HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node, |
f9c0c3ec | 5521 | hash_ofp_port(vlandev_ofp_port), |
52a90c29 BP |
5522 | &ofproto->vlandev_map) { |
5523 | if (vsp->vlandev_ofp_port == vlandev_ofp_port) { | |
5524 | return vsp; | |
5525 | } | |
5526 | } | |
5527 | ||
5528 | return NULL; | |
5529 | } | |
5530 | ||
40e05935 BP |
5531 | /* Returns the OpenFlow port number of the "real" device underlying the Linux |
5532 | * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the | |
5533 | * VLAN VID of the Linux VLAN device in '*vid'. For example, given | |
5534 | * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of | |
5535 | * eth0 and store 9 in '*vid'. | |
5536 | * | |
5537 | * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux | |
5538 | * VLAN device. Unless VLAN splinters are enabled, this is what this function | |
5539 | * always does.*/ | |
4e022ec0 | 5540 | static ofp_port_t |
52a90c29 | 5541 | vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto, |
4e022ec0 | 5542 | ofp_port_t vlandev_ofp_port, int *vid) |
bd3950dd | 5543 | OVS_REQUIRES(ofproto->vsp_mutex) |
52a90c29 BP |
5544 | { |
5545 | if (!hmap_is_empty(&ofproto->vlandev_map)) { | |
5546 | const struct vlan_splinter *vsp; | |
5547 | ||
5548 | vsp = vlandev_find(ofproto, vlandev_ofp_port); | |
5549 | if (vsp) { | |
5550 | if (vid) { | |
5551 | *vid = vsp->vid; | |
5552 | } | |
5553 | return vsp->realdev_ofp_port; | |
5554 | } | |
5555 | } | |
5556 | return 0; | |
5557 | } | |
5558 | ||
b98d8985 BP |
5559 | /* Given 'flow', a flow representing a packet received on 'ofproto', checks |
5560 | * whether 'flow->in_port' represents a Linux VLAN device. If so, changes | |
5561 | * 'flow->in_port' to the "real" device backing the VLAN device, sets | |
cc377352 EJ |
5562 | * 'flow->vlan_tci' to the VLAN VID, and returns true. Optionally pushes the |
5563 | * appropriate VLAN on 'packet' if provided. Otherwise (which is always the | |
5564 | * case unless VLAN splinters are enabled), returns false without making any | |
5565 | * changes. */ | |
8449c4d6 | 5566 | bool |
cc377352 | 5567 | vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow, |
cf62fa4c | 5568 | struct dp_packet *packet) |
13501305 | 5569 | OVS_EXCLUDED(ofproto->vsp_mutex) |
b98d8985 | 5570 | { |
4e022ec0 | 5571 | ofp_port_t realdev; |
b98d8985 BP |
5572 | int vid; |
5573 | ||
7614e5d0 JR |
5574 | /* hmap_is_empty is thread safe. */ |
5575 | if (hmap_is_empty(&ofproto->vlandev_map)) { | |
5576 | return false; | |
5577 | } | |
5578 | ||
13501305 | 5579 | ovs_mutex_lock(&ofproto->vsp_mutex); |
4e022ec0 | 5580 | realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid); |
13501305 | 5581 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
b98d8985 BP |
5582 | if (!realdev) { |
5583 | return false; | |
5584 | } | |
5585 | ||
5586 | /* Cause the flow to be processed as if it came in on the real device with | |
5587 | * the VLAN device's VLAN ID. */ | |
4e022ec0 | 5588 | flow->in_port.ofp_port = realdev; |
b98d8985 | 5589 | flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI); |
cc377352 EJ |
5590 | |
5591 | if (packet) { | |
5592 | /* Make the packet resemble the flow, so that it gets sent to an | |
5593 | * OpenFlow controller properly, so that it looks correct for sFlow, | |
5594 | * and so that flow_extract() will get the correct vlan_tci if it is | |
5595 | * called on 'packet'. */ | |
5596 | eth_push_vlan(packet, htons(ETH_TYPE_VLAN), flow->vlan_tci); | |
5597 | } | |
5598 | ||
b98d8985 BP |
5599 | return true; |
5600 | } | |
5601 | ||
52a90c29 BP |
5602 | static void |
5603 | vsp_remove(struct ofport_dpif *port) | |
5604 | { | |
5605 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
5606 | struct vlan_splinter *vsp; | |
5607 | ||
13501305 | 5608 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 BP |
5609 | vsp = vlandev_find(ofproto, port->up.ofp_port); |
5610 | if (vsp) { | |
5611 | hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node); | |
5612 | hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node); | |
5613 | free(vsp); | |
5614 | ||
5615 | port->realdev_ofp_port = 0; | |
5616 | } else { | |
5617 | VLOG_ERR("missing vlan device record"); | |
5618 | } | |
13501305 | 5619 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 BP |
5620 | } |
5621 | ||
5622 | static void | |
4e022ec0 | 5623 | vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
5624 | { |
5625 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
5626 | ||
13501305 | 5627 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 | 5628 | if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL) |
13501305 | 5629 | && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid)) |
52a90c29 BP |
5630 | == realdev_ofp_port)) { |
5631 | struct vlan_splinter *vsp; | |
5632 | ||
5633 | vsp = xmalloc(sizeof *vsp); | |
52a90c29 BP |
5634 | vsp->realdev_ofp_port = realdev_ofp_port; |
5635 | vsp->vlandev_ofp_port = port->up.ofp_port; | |
5636 | vsp->vid = vid; | |
5637 | ||
5638 | port->realdev_ofp_port = realdev_ofp_port; | |
13501305 EJ |
5639 | |
5640 | hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node, | |
5641 | hash_ofp_port(port->up.ofp_port)); | |
5642 | hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node, | |
5643 | hash_realdev_vid(realdev_ofp_port, vid)); | |
52a90c29 BP |
5644 | } else { |
5645 | VLOG_ERR("duplicate vlan device record"); | |
5646 | } | |
13501305 | 5647 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 | 5648 | } |
e1b1d06a | 5649 | |
46c88433 | 5650 | static odp_port_t |
4e022ec0 | 5651 | ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
e1b1d06a | 5652 | { |
e672ff9b | 5653 | const struct ofport_dpif *ofport = ofp_port_to_ofport(ofproto, ofp_port); |
4e022ec0 | 5654 | return ofport ? ofport->odp_port : ODPP_NONE; |
e1b1d06a JP |
5655 | } |
5656 | ||
8449c4d6 | 5657 | struct ofport_dpif * |
4e022ec0 | 5658 | odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port) |
e1b1d06a JP |
5659 | { |
5660 | struct ofport_dpif *port; | |
5661 | ||
8449c4d6 | 5662 | ovs_rwlock_rdlock(&backer->odp_to_ofport_lock); |
f9c0c3ec | 5663 | HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port), |
acf60855 | 5664 | &backer->odp_to_ofport_map) { |
e1b1d06a | 5665 | if (port->odp_port == odp_port) { |
8449c4d6 | 5666 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 | 5667 | return port; |
e1b1d06a JP |
5668 | } |
5669 | } | |
5670 | ||
8449c4d6 | 5671 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 JP |
5672 | return NULL; |
5673 | } | |
5674 | ||
4e022ec0 AW |
5675 | static ofp_port_t |
5676 | odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port) | |
acf60855 JP |
5677 | { |
5678 | struct ofport_dpif *port; | |
5679 | ||
5680 | port = odp_port_to_ofport(ofproto->backer, odp_port); | |
6472ba11 | 5681 | if (port && &ofproto->up == port->up.ofproto) { |
acf60855 JP |
5682 | return port->up.ofp_port; |
5683 | } else { | |
5684 | return OFPP_NONE; | |
5685 | } | |
e1b1d06a | 5686 | } |
655ab909 | 5687 | |
adcf00ba AZ |
5688 | int |
5689 | ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto, | |
fe99c360 | 5690 | const struct match *match, int priority, |
290ad78a | 5691 | uint16_t idle_timeout, |
adcf00ba AZ |
5692 | const struct ofpbuf *ofpacts, |
5693 | struct rule **rulep) | |
5694 | { | |
8be00367 | 5695 | struct ofproto_flow_mod ofm; |
adcf00ba AZ |
5696 | struct rule_dpif *rule; |
5697 | int error; | |
5698 | ||
39cc5c4a BP |
5699 | ofm.fm = (struct ofputil_flow_mod) { |
5700 | .match = *match, | |
5701 | .priority = priority, | |
5702 | .table_id = TBL_INTERNAL, | |
5703 | .command = OFPFC_ADD, | |
5704 | .idle_timeout = idle_timeout, | |
5705 | .flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY, | |
5706 | .ofpacts = ofpacts->data, | |
5707 | .ofpacts_len = ofpacts->size, | |
5708 | .delete_reason = OVS_OFPRR_NONE, | |
5709 | }; | |
8be00367 JR |
5710 | |
5711 | error = ofproto_flow_mod(&ofproto->up, &ofm); | |
adcf00ba AZ |
5712 | if (error) { |
5713 | VLOG_ERR_RL(&rl, "failed to add internal flow (%s)", | |
5714 | ofperr_to_string(error)); | |
5715 | *rulep = NULL; | |
5716 | return error; | |
5717 | } | |
5718 | ||
621b8064 JR |
5719 | rule = rule_dpif_lookup_in_table(ofproto, |
5720 | ofproto_dpif_get_tables_version(ofproto), | |
8be00367 | 5721 | TBL_INTERNAL, &ofm.fm.match.flow, |
1e1e1d19 | 5722 | &ofm.fm.match.wc); |
adcf00ba | 5723 | if (rule) { |
adcf00ba AZ |
5724 | *rulep = &rule->up; |
5725 | } else { | |
5726 | OVS_NOT_REACHED(); | |
5727 | } | |
5728 | return 0; | |
5729 | } | |
5730 | ||
5731 | int | |
5732 | ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto, | |
5733 | struct match *match, int priority) | |
5734 | { | |
8be00367 | 5735 | struct ofproto_flow_mod ofm; |
adcf00ba AZ |
5736 | int error; |
5737 | ||
39cc5c4a BP |
5738 | ofm.fm = (struct ofputil_flow_mod) { |
5739 | .match = *match, | |
5740 | .priority = priority, | |
5741 | .table_id = TBL_INTERNAL, | |
5742 | .flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY, | |
5743 | .command = OFPFC_DELETE_STRICT, | |
5744 | }; | |
8be00367 JR |
5745 | |
5746 | error = ofproto_flow_mod(&ofproto->up, &ofm); | |
adcf00ba AZ |
5747 | if (error) { |
5748 | VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)", | |
5749 | ofperr_to_string(error)); | |
5750 | return error; | |
5751 | } | |
5752 | ||
5753 | return 0; | |
5754 | } | |
5755 | ||
290835f9 BP |
5756 | const struct uuid * |
5757 | ofproto_dpif_get_uuid(const struct ofproto_dpif *ofproto) | |
5758 | { | |
5759 | return &ofproto->uuid; | |
5760 | } | |
5761 | ||
abe529af | 5762 | const struct ofproto_class ofproto_dpif_class = { |
b0408fca | 5763 | init, |
abe529af BP |
5764 | enumerate_types, |
5765 | enumerate_names, | |
5766 | del, | |
0aeaabc8 | 5767 | port_open_type, |
acf60855 | 5768 | type_run, |
acf60855 | 5769 | type_wait, |
abe529af BP |
5770 | alloc, |
5771 | construct, | |
5772 | destruct, | |
5773 | dealloc, | |
5774 | run, | |
f07c97f5 | 5775 | ofproto_dpif_wait, |
e79a6c83 | 5776 | NULL, /* get_memory_usage. */ |
1c030aa5 | 5777 | type_get_memory_usage, |
abe529af | 5778 | flush, |
3c1bb396 | 5779 | query_tables, |
621b8064 | 5780 | set_tables_version, |
abe529af BP |
5781 | port_alloc, |
5782 | port_construct, | |
5783 | port_destruct, | |
5784 | port_dealloc, | |
5785 | port_modified, | |
5786 | port_reconfigured, | |
5787 | port_query_by_name, | |
5788 | port_add, | |
5789 | port_del, | |
6527c598 | 5790 | port_get_stats, |
abe529af BP |
5791 | port_dump_start, |
5792 | port_dump_next, | |
5793 | port_dump_done, | |
5794 | port_poll, | |
5795 | port_poll_wait, | |
5796 | port_is_lacp_current, | |
50b9699f | 5797 | port_get_lacp_stats, |
0ab6decf | 5798 | NULL, /* rule_choose_table */ |
abe529af BP |
5799 | rule_alloc, |
5800 | rule_construct, | |
8037acb4 BP |
5801 | rule_insert, |
5802 | rule_delete, | |
abe529af BP |
5803 | rule_destruct, |
5804 | rule_dealloc, | |
abe529af BP |
5805 | rule_get_stats, |
5806 | rule_execute, | |
7257b535 | 5807 | set_frag_handling, |
abe529af | 5808 | packet_out, |
77ab5fd2 | 5809 | nxt_resume, |
abe529af BP |
5810 | set_netflow, |
5811 | get_netflow_ids, | |
5812 | set_sflow, | |
29089a54 | 5813 | set_ipfix, |
abe529af | 5814 | set_cfm, |
8f5514fe | 5815 | cfm_status_changed, |
9a9e3786 | 5816 | get_cfm_status, |
0477baa9 DF |
5817 | set_lldp, |
5818 | get_lldp_status, | |
5819 | set_aa, | |
5820 | aa_mapping_set, | |
5821 | aa_mapping_unset, | |
5822 | aa_vlan_get_queued, | |
5823 | aa_vlan_get_queue_size, | |
ccc09689 | 5824 | set_bfd, |
8f5514fe | 5825 | bfd_status_changed, |
ccc09689 | 5826 | get_bfd_status, |
21f7563c JP |
5827 | set_stp, |
5828 | get_stp_status, | |
5829 | set_stp_port, | |
5830 | get_stp_port_status, | |
fd28ce3a | 5831 | get_stp_port_stats, |
9efd308e DV |
5832 | set_rstp, |
5833 | get_rstp_status, | |
5834 | set_rstp_port, | |
5835 | get_rstp_port_status, | |
8b36f51e | 5836 | set_queues, |
abe529af BP |
5837 | bundle_set, |
5838 | bundle_remove, | |
ec7ceaed EJ |
5839 | mirror_set__, |
5840 | mirror_get_stats__, | |
abe529af BP |
5841 | set_flood_vlans, |
5842 | is_mirror_output_bundle, | |
8402c74b | 5843 | forward_bpdu_changed, |
c4069512 | 5844 | set_mac_table_config, |
7c38d0a5 FL |
5845 | set_mcast_snooping, |
5846 | set_mcast_snooping_port, | |
52a90c29 | 5847 | set_realdev, |
9cae45dc JR |
5848 | NULL, /* meter_get_features */ |
5849 | NULL, /* meter_set */ | |
5850 | NULL, /* meter_get */ | |
5851 | NULL, /* meter_del */ | |
00430a3f SH |
5852 | group_alloc, /* group_alloc */ |
5853 | group_construct, /* group_construct */ | |
5854 | group_destruct, /* group_destruct */ | |
5855 | group_dealloc, /* group_dealloc */ | |
5856 | group_modify, /* group_modify */ | |
5857 | group_get_stats, /* group_get_stats */ | |
b5cbbcf6 | 5858 | get_datapath_version, /* get_datapath_version */ |
abe529af | 5859 | }; |