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abe529af | 1 | /* |
0934ebba | 2 | * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc. |
abe529af BP |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | ||
9583bc14 | 19 | #include "ofproto/ofproto-dpif.h" |
5bee6e26 | 20 | #include "ofproto/ofproto-provider.h" |
abe529af BP |
21 | |
22 | #include <errno.h> | |
23 | ||
ccc09689 | 24 | #include "bfd.h" |
abe529af | 25 | #include "bond.h" |
daff3353 | 26 | #include "bundle.h" |
abe529af | 27 | #include "byte-order.h" |
f23d157c | 28 | #include "connectivity.h" |
abe529af BP |
29 | #include "connmgr.h" |
30 | #include "coverage.h" | |
31 | #include "cfm.h" | |
32 | #include "dpif.h" | |
33 | #include "dynamic-string.h" | |
34 | #include "fail-open.h" | |
05067881 | 35 | #include "guarded-list.h" |
abe529af BP |
36 | #include "hmapx.h" |
37 | #include "lacp.h" | |
75a75043 | 38 | #include "learn.h" |
abe529af | 39 | #include "mac-learning.h" |
816fd533 | 40 | #include "meta-flow.h" |
abe529af | 41 | #include "multipath.h" |
0a740f48 | 42 | #include "netdev-vport.h" |
abe529af BP |
43 | #include "netdev.h" |
44 | #include "netlink.h" | |
45 | #include "nx-match.h" | |
46 | #include "odp-util.h" | |
1ac7c9bd | 47 | #include "odp-execute.h" |
abe529af BP |
48 | #include "ofp-util.h" |
49 | #include "ofpbuf.h" | |
f25d0cf3 | 50 | #include "ofp-actions.h" |
31a19d69 | 51 | #include "ofp-parse.h" |
abe529af | 52 | #include "ofp-print.h" |
29089a54 | 53 | #include "ofproto-dpif-ipfix.h" |
ec7ceaed | 54 | #include "ofproto-dpif-mirror.h" |
635c5db9 | 55 | #include "ofproto-dpif-monitor.h" |
f5374617 | 56 | #include "ofproto-dpif-rid.h" |
bae473fe | 57 | #include "ofproto-dpif-sflow.h" |
e1ec7dd4 | 58 | #include "ofproto-dpif-upcall.h" |
9583bc14 | 59 | #include "ofproto-dpif-xlate.h" |
abe529af | 60 | #include "poll-loop.h" |
f23d157c | 61 | #include "seq.h" |
0d085684 | 62 | #include "simap.h" |
27022416 | 63 | #include "smap.h" |
abe529af | 64 | #include "timer.h" |
b9ad7294 | 65 | #include "tunnel.h" |
6c1491fb | 66 | #include "unaligned.h" |
abe529af BP |
67 | #include "unixctl.h" |
68 | #include "vlan-bitmap.h" | |
69 | #include "vlog.h" | |
70 | ||
71 | VLOG_DEFINE_THIS_MODULE(ofproto_dpif); | |
72 | ||
abe529af | 73 | COVERAGE_DEFINE(ofproto_dpif_expired); |
ada3a58d | 74 | COVERAGE_DEFINE(packet_in_overflow); |
abe529af | 75 | |
46c88433 EJ |
76 | /* Number of implemented OpenFlow tables. */ |
77 | enum { N_TABLES = 255 }; | |
78 | enum { TBL_INTERNAL = N_TABLES - 1 }; /* Used for internal hidden rules. */ | |
79 | BUILD_ASSERT_DECL(N_TABLES >= 2 && N_TABLES <= 255); | |
80 | ||
88bf179a AW |
81 | /* No bfd/cfm status change. */ |
82 | #define NO_STATUS_CHANGE -1 | |
83 | ||
a088a1ff | 84 | struct flow_miss; |
abe529af | 85 | |
70742c7f EJ |
86 | struct rule_dpif { |
87 | struct rule up; | |
88 | ||
89 | /* These statistics: | |
90 | * | |
e79a6c83 EJ |
91 | * - Do include packets and bytes from datapath flows which have not |
92 | * recently been processed by a revalidator. */ | |
70742c7f | 93 | struct ovs_mutex stats_mutex; |
1a4ec18d | 94 | struct dpif_flow_stats stats OVS_GUARDED; |
70742c7f EJ |
95 | }; |
96 | ||
dc437090 JR |
97 | static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes, |
98 | long long int *used); | |
70742c7f | 99 | static struct rule_dpif *rule_dpif_cast(const struct rule *); |
e79a6c83 | 100 | static void rule_expire(struct rule_dpif *); |
b0f7b9b5 | 101 | |
00430a3f SH |
102 | struct group_dpif { |
103 | struct ofgroup up; | |
104 | ||
105 | /* These statistics: | |
106 | * | |
e79a6c83 EJ |
107 | * - Do include packets and bytes from datapath flows which have not |
108 | * recently been processed by a revalidator. */ | |
00430a3f SH |
109 | struct ovs_mutex stats_mutex; |
110 | uint64_t packet_count OVS_GUARDED; /* Number of packets received. */ | |
111 | uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */ | |
112 | struct bucket_counter *bucket_stats OVS_GUARDED; /* Bucket statistics. */ | |
113 | }; | |
114 | ||
46c88433 EJ |
115 | struct ofbundle { |
116 | struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */ | |
117 | struct ofproto_dpif *ofproto; /* Owning ofproto. */ | |
118 | void *aux; /* Key supplied by ofproto's client. */ | |
119 | char *name; /* Identifier for log messages. */ | |
120 | ||
121 | /* Configuration. */ | |
122 | struct list ports; /* Contains "struct ofport"s. */ | |
123 | enum port_vlan_mode vlan_mode; /* VLAN mode */ | |
124 | int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */ | |
125 | unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1. | |
126 | * NULL if all VLANs are trunked. */ | |
127 | struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */ | |
128 | struct bond *bond; /* Nonnull iff more than one port. */ | |
129 | bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */ | |
130 | ||
131 | /* Status. */ | |
132 | bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */ | |
133 | }; | |
134 | ||
abe529af | 135 | static void bundle_remove(struct ofport *); |
7bde8dd8 | 136 | static void bundle_update(struct ofbundle *); |
abe529af BP |
137 | static void bundle_destroy(struct ofbundle *); |
138 | static void bundle_del_port(struct ofport_dpif *); | |
139 | static void bundle_run(struct ofbundle *); | |
140 | static void bundle_wait(struct ofbundle *); | |
33158a18 | 141 | |
21f7563c JP |
142 | static void stp_run(struct ofproto_dpif *ofproto); |
143 | static void stp_wait(struct ofproto_dpif *ofproto); | |
851bf71d EJ |
144 | static int set_stp_port(struct ofport *, |
145 | const struct ofproto_port_stp_settings *); | |
21f7563c | 146 | |
46c88433 EJ |
147 | struct ofport_dpif { |
148 | struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */ | |
149 | struct ofport up; | |
150 | ||
151 | odp_port_t odp_port; | |
152 | struct ofbundle *bundle; /* Bundle that contains this port, if any. */ | |
153 | struct list bundle_node; /* In struct ofbundle's "ports" list. */ | |
154 | struct cfm *cfm; /* Connectivity Fault Management, if any. */ | |
155 | struct bfd *bfd; /* BFD, if any. */ | |
46c88433 EJ |
156 | bool may_enable; /* May be enabled in bonds. */ |
157 | bool is_tunnel; /* This port is a tunnel. */ | |
a6363cfd | 158 | bool is_layer3; /* This is a layer 3 port. */ |
46c88433 EJ |
159 | long long int carrier_seq; /* Carrier status changes. */ |
160 | struct ofport_dpif *peer; /* Peer if patch port. */ | |
161 | ||
162 | /* Spanning tree. */ | |
163 | struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */ | |
164 | enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */ | |
165 | long long int stp_state_entered; | |
166 | ||
55954f6e EJ |
167 | /* Queue to DSCP mapping. */ |
168 | struct ofproto_port_queue *qdscp; | |
169 | size_t n_qdscp; | |
46c88433 EJ |
170 | |
171 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
172 | * | |
173 | * This is deprecated. It is only for compatibility with broken device | |
174 | * drivers in old versions of Linux that do not properly support VLANs when | |
175 | * VLAN devices are not used. When broken device drivers are no longer in | |
176 | * widespread use, we will delete these interfaces. */ | |
177 | ofp_port_t realdev_ofp_port; | |
178 | int vlandev_vid; | |
179 | }; | |
180 | ||
52a90c29 BP |
181 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
182 | * | |
183 | * This is deprecated. It is only for compatibility with broken device drivers | |
184 | * in old versions of Linux that do not properly support VLANs when VLAN | |
185 | * devices are not used. When broken device drivers are no longer in | |
186 | * widespread use, we will delete these interfaces. */ | |
187 | struct vlan_splinter { | |
188 | struct hmap_node realdev_vid_node; | |
189 | struct hmap_node vlandev_node; | |
4e022ec0 AW |
190 | ofp_port_t realdev_ofp_port; |
191 | ofp_port_t vlandev_ofp_port; | |
52a90c29 BP |
192 | int vid; |
193 | }; | |
194 | ||
52a90c29 | 195 | static void vsp_remove(struct ofport_dpif *); |
4e022ec0 | 196 | static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid); |
52a90c29 | 197 | |
46c88433 EJ |
198 | static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *, |
199 | ofp_port_t); | |
200 | ||
4e022ec0 | 201 | static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *, |
46c88433 | 202 | odp_port_t); |
e1b1d06a | 203 | |
abe529af BP |
204 | static struct ofport_dpif * |
205 | ofport_dpif_cast(const struct ofport *ofport) | |
206 | { | |
abe529af BP |
207 | return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL; |
208 | } | |
209 | ||
210 | static void port_run(struct ofport_dpif *); | |
8aee94b6 | 211 | static int set_bfd(struct ofport *, const struct smap *); |
a5610457 | 212 | static int set_cfm(struct ofport *, const struct cfm_settings *); |
6cbbf4fa | 213 | static void ofport_update_peer(struct ofport_dpif *); |
abe529af | 214 | |
7ee20df1 BP |
215 | struct dpif_completion { |
216 | struct list list_node; | |
217 | struct ofoperation *op; | |
218 | }; | |
219 | ||
e79a6c83 EJ |
220 | /* Reasons that we might need to revalidate every datapath flow, and |
221 | * corresponding coverage counters. | |
cdc3ab65 EJ |
222 | * |
223 | * A value of 0 means that there is no need to revalidate. | |
224 | * | |
225 | * It would be nice to have some cleaner way to integrate with coverage | |
226 | * counters, but with only a few reasons I guess this is good enough for | |
227 | * now. */ | |
228 | enum revalidate_reason { | |
229 | REV_RECONFIGURE = 1, /* Switch configuration changed. */ | |
230 | REV_STP, /* Spanning tree protocol port status change. */ | |
4a1b8f30 | 231 | REV_BOND, /* Bonding changed. */ |
cdc3ab65 EJ |
232 | REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/ |
233 | REV_FLOW_TABLE, /* Flow table changed. */ | |
30618594 | 234 | REV_MAC_LEARNING, /* Mac learning changed. */ |
cdc3ab65 | 235 | }; |
3c4a309c BP |
236 | COVERAGE_DEFINE(rev_reconfigure); |
237 | COVERAGE_DEFINE(rev_stp); | |
4a1b8f30 | 238 | COVERAGE_DEFINE(rev_bond); |
3c4a309c BP |
239 | COVERAGE_DEFINE(rev_port_toggled); |
240 | COVERAGE_DEFINE(rev_flow_table); | |
30618594 | 241 | COVERAGE_DEFINE(rev_mac_learning); |
3c4a309c | 242 | |
cdc3ab65 EJ |
243 | /* All datapaths of a given type share a single dpif backer instance. */ |
244 | struct dpif_backer { | |
245 | char *type; | |
246 | int refcount; | |
247 | struct dpif *dpif; | |
e1ec7dd4 | 248 | struct udpif *udpif; |
8449c4d6 EJ |
249 | |
250 | struct ovs_rwlock odp_to_ofport_lock; | |
390eadaa | 251 | struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */ |
cdc3ab65 EJ |
252 | |
253 | struct simap tnl_backers; /* Set of dpif ports backing tunnels. */ | |
254 | ||
e79a6c83 | 255 | enum revalidate_reason need_revalidate; /* Revalidate all flows. */ |
cdc3ab65 | 256 | |
cdc3ab65 | 257 | bool recv_set_enable; /* Enables or disables receiving packets. */ |
4b97b70d | 258 | |
adcf00ba | 259 | /* Recirculation. */ |
f5374617 | 260 | struct recirc_id_pool *rid_pool; /* Recirculation ID pool. */ |
adcf00ba | 261 | bool enable_recirc; /* True if the datapath supports recirculation */ |
f5374617 | 262 | |
4b97b70d BP |
263 | /* True if the datapath supports variable-length |
264 | * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. | |
265 | * False if the datapath supports only 8-byte (or shorter) userdata. */ | |
266 | bool variable_length_userdata; | |
8bfd0fda BP |
267 | |
268 | /* Maximum number of MPLS label stack entries that the datapath supports | |
269 | * in a match */ | |
270 | size_t max_mpls_depth; | |
cdc3ab65 EJ |
271 | }; |
272 | ||
acf60855 JP |
273 | /* All existing ofproto_backer instances, indexed by ofproto->up.type. */ |
274 | static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers); | |
275 | ||
46c88433 EJ |
276 | struct ofproto_dpif { |
277 | struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */ | |
278 | struct ofproto up; | |
279 | struct dpif_backer *backer; | |
280 | ||
e79a6c83 EJ |
281 | uint64_t dump_seq; /* Last read of udpif_dump_seq(). */ |
282 | ||
46c88433 EJ |
283 | /* Special OpenFlow rules. */ |
284 | struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */ | |
285 | struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */ | |
286 | struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */ | |
287 | ||
288 | /* Bridging. */ | |
289 | struct netflow *netflow; | |
290 | struct dpif_sflow *sflow; | |
291 | struct dpif_ipfix *ipfix; | |
292 | struct hmap bundles; /* Contains "struct ofbundle"s. */ | |
293 | struct mac_learning *ml; | |
294 | bool has_bonded_bundles; | |
e2d13c43 | 295 | bool lacp_enabled; |
46c88433 EJ |
296 | struct mbridge *mbridge; |
297 | ||
0da3c61b AW |
298 | struct ovs_mutex stats_mutex; |
299 | struct netdev_stats stats OVS_GUARDED; /* To account packets generated and | |
300 | * consumed in userspace. */ | |
46c88433 EJ |
301 | |
302 | /* Spanning tree. */ | |
303 | struct stp *stp; | |
304 | long long int stp_last_tick; | |
305 | ||
306 | /* VLAN splinters. */ | |
13501305 EJ |
307 | struct ovs_mutex vsp_mutex; |
308 | struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */ | |
309 | struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */ | |
46c88433 EJ |
310 | |
311 | /* Ports. */ | |
312 | struct sset ports; /* Set of standard port names. */ | |
313 | struct sset ghost_ports; /* Ports with no datapath port. */ | |
314 | struct sset port_poll_set; /* Queued names for port_poll() reply. */ | |
315 | int port_poll_errno; /* Last errno for port_poll() reply. */ | |
f23d157c | 316 | uint64_t change_seq; /* Connectivity status changes. */ |
46c88433 | 317 | |
3d9c5e58 | 318 | /* Work queues. */ |
05067881 | 319 | struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */ |
cfc50ae5 AW |
320 | struct seq *pins_seq; /* For notifying 'pins' reception. */ |
321 | uint64_t pins_seqno; | |
46c88433 EJ |
322 | }; |
323 | ||
b44a10b7 BP |
324 | /* All existing ofproto_dpif instances, indexed by ->up.name. */ |
325 | static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs); | |
326 | ||
abe529af BP |
327 | static void ofproto_dpif_unixctl_init(void); |
328 | ||
46c88433 EJ |
329 | static inline struct ofproto_dpif * |
330 | ofproto_dpif_cast(const struct ofproto *ofproto) | |
331 | { | |
332 | ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class); | |
333 | return CONTAINER_OF(ofproto, struct ofproto_dpif, up); | |
334 | } | |
335 | ||
8bfd0fda BP |
336 | size_t |
337 | ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif *ofproto) | |
338 | { | |
339 | return ofproto->backer->max_mpls_depth; | |
340 | } | |
341 | ||
adcf00ba AZ |
342 | bool |
343 | ofproto_dpif_get_enable_recirc(const struct ofproto_dpif *ofproto) | |
344 | { | |
345 | return ofproto->backer->enable_recirc; | |
346 | } | |
347 | ||
46c88433 EJ |
348 | static struct ofport_dpif *get_ofp_port(const struct ofproto_dpif *ofproto, |
349 | ofp_port_t ofp_port); | |
adcf00ba | 350 | static void ofproto_trace(struct ofproto_dpif *, struct flow *, |
aee0979b BP |
351 | const struct ofpbuf *packet, |
352 | const struct ofpact[], size_t ofpacts_len, | |
353 | struct ds *); | |
46c88433 | 354 | |
abe529af BP |
355 | /* Global variables. */ |
356 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
acf60855 JP |
357 | |
358 | /* Initial mappings of port to bridge mappings. */ | |
359 | static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports); | |
46c88433 | 360 | |
1b63b91e BP |
361 | /* Executes 'fm'. The caller retains ownership of 'fm' and everything in |
362 | * it. */ | |
3d9c5e58 | 363 | void |
46c88433 EJ |
364 | ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto, |
365 | struct ofputil_flow_mod *fm) | |
366 | { | |
1b63b91e | 367 | ofproto_flow_mod(&ofproto->up, fm); |
46c88433 EJ |
368 | } |
369 | ||
1ebeaaa7 JS |
370 | /* Resets the modified time for 'rule' or an equivalent rule. If 'rule' is not |
371 | * in the classifier, but an equivalent rule is, unref 'rule' and ref the new | |
372 | * rule. Otherwise if 'rule' is no longer installed in the classifier, | |
373 | * reinstall it. | |
374 | * | |
375 | * Returns the rule whose modified time has been reset. */ | |
376 | struct rule_dpif * | |
377 | ofproto_dpif_refresh_rule(struct rule_dpif *rule) | |
378 | { | |
379 | return rule_dpif_cast(ofproto_refresh_rule(&rule->up)); | |
380 | } | |
381 | ||
d5ff77e2 YT |
382 | /* Appends 'pin' to the queue of "packet ins" to be sent to the controller. |
383 | * Takes ownership of 'pin' and pin->packet. */ | |
46c88433 EJ |
384 | void |
385 | ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto, | |
0fb7792a | 386 | struct ofproto_packet_in *pin) |
46c88433 | 387 | { |
05067881 | 388 | if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) { |
ada3a58d | 389 | COVERAGE_INC(packet_in_overflow); |
0fb7792a | 390 | free(CONST_CAST(void *, pin->up.packet)); |
ada3a58d | 391 | free(pin); |
ada3a58d | 392 | } |
cfc50ae5 AW |
393 | |
394 | /* Wakes up main thread for packet-in I/O. */ | |
395 | seq_change(ofproto->pins_seq); | |
46c88433 | 396 | } |
6b83a3c5 SH |
397 | |
398 | /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the | |
399 | * packet rather than to send the packet to the controller. | |
400 | * | |
401 | * This function returns false to indicate that a packet_in message | |
402 | * for a "table-miss" should be sent to at least one controller. | |
403 | * False otherwise. */ | |
404 | bool | |
405 | ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto) | |
406 | { | |
407 | return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr); | |
408 | } | |
abe529af BP |
409 | \f |
410 | /* Factory functions. */ | |
411 | ||
b0408fca | 412 | static void |
acf60855 | 413 | init(const struct shash *iface_hints) |
b0408fca | 414 | { |
acf60855 JP |
415 | struct shash_node *node; |
416 | ||
417 | /* Make a local copy, since we don't own 'iface_hints' elements. */ | |
418 | SHASH_FOR_EACH(node, iface_hints) { | |
419 | const struct iface_hint *orig_hint = node->data; | |
420 | struct iface_hint *new_hint = xmalloc(sizeof *new_hint); | |
421 | ||
422 | new_hint->br_name = xstrdup(orig_hint->br_name); | |
423 | new_hint->br_type = xstrdup(orig_hint->br_type); | |
424 | new_hint->ofp_port = orig_hint->ofp_port; | |
425 | ||
426 | shash_add(&init_ofp_ports, node->name, new_hint); | |
427 | } | |
b0408fca JP |
428 | } |
429 | ||
abe529af BP |
430 | static void |
431 | enumerate_types(struct sset *types) | |
432 | { | |
433 | dp_enumerate_types(types); | |
434 | } | |
435 | ||
436 | static int | |
437 | enumerate_names(const char *type, struct sset *names) | |
438 | { | |
acf60855 JP |
439 | struct ofproto_dpif *ofproto; |
440 | ||
441 | sset_clear(names); | |
442 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
443 | if (strcmp(type, ofproto->up.type)) { | |
444 | continue; | |
445 | } | |
446 | sset_add(names, ofproto->up.name); | |
447 | } | |
448 | ||
449 | return 0; | |
abe529af BP |
450 | } |
451 | ||
452 | static int | |
453 | del(const char *type, const char *name) | |
454 | { | |
455 | struct dpif *dpif; | |
456 | int error; | |
457 | ||
458 | error = dpif_open(name, type, &dpif); | |
459 | if (!error) { | |
460 | error = dpif_delete(dpif); | |
461 | dpif_close(dpif); | |
462 | } | |
463 | return error; | |
464 | } | |
465 | \f | |
0aeaabc8 JP |
466 | static const char * |
467 | port_open_type(const char *datapath_type, const char *port_type) | |
468 | { | |
469 | return dpif_port_open_type(datapath_type, port_type); | |
470 | } | |
471 | ||
acf60855 JP |
472 | /* Type functions. */ |
473 | ||
36beb9be BP |
474 | static void process_dpif_port_changes(struct dpif_backer *); |
475 | static void process_dpif_all_ports_changed(struct dpif_backer *); | |
476 | static void process_dpif_port_change(struct dpif_backer *, | |
477 | const char *devname); | |
478 | static void process_dpif_port_error(struct dpif_backer *, int error); | |
479 | ||
476cb42a BP |
480 | static struct ofproto_dpif * |
481 | lookup_ofproto_dpif_by_port_name(const char *name) | |
482 | { | |
483 | struct ofproto_dpif *ofproto; | |
484 | ||
485 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
486 | if (sset_contains(&ofproto->ports, name)) { | |
487 | return ofproto; | |
488 | } | |
489 | } | |
490 | ||
491 | return NULL; | |
492 | } | |
493 | ||
acf60855 JP |
494 | static int |
495 | type_run(const char *type) | |
496 | { | |
497 | struct dpif_backer *backer; | |
acf60855 JP |
498 | |
499 | backer = shash_find_data(&all_dpif_backers, type); | |
500 | if (!backer) { | |
501 | /* This is not necessarily a problem, since backers are only | |
502 | * created on demand. */ | |
503 | return 0; | |
504 | } | |
505 | ||
506 | dpif_run(backer->dpif); | |
507 | ||
40358701 GS |
508 | /* If vswitchd started with other_config:flow_restore_wait set as "true", |
509 | * and the configuration has now changed to "false", enable receiving | |
510 | * packets from the datapath. */ | |
511 | if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) { | |
36beb9be BP |
512 | int error; |
513 | ||
40358701 GS |
514 | backer->recv_set_enable = true; |
515 | ||
516 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); | |
517 | if (error) { | |
518 | VLOG_ERR("Failed to enable receiving packets in dpif."); | |
519 | return error; | |
520 | } | |
521 | dpif_flow_flush(backer->dpif); | |
522 | backer->need_revalidate = REV_RECONFIGURE; | |
523 | } | |
524 | ||
6567010f | 525 | if (backer->recv_set_enable) { |
e79a6c83 | 526 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
448a4b2f AW |
527 | } |
528 | ||
a1616063 | 529 | if (backer->need_revalidate) { |
2cc3c58e | 530 | struct ofproto_dpif *ofproto; |
a614d823 KM |
531 | struct simap_node *node; |
532 | struct simap tmp_backers; | |
533 | ||
534 | /* Handle tunnel garbage collection. */ | |
535 | simap_init(&tmp_backers); | |
536 | simap_swap(&backer->tnl_backers, &tmp_backers); | |
537 | ||
538 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
539 | struct ofport_dpif *iter; | |
540 | ||
541 | if (backer != ofproto->backer) { | |
542 | continue; | |
543 | } | |
544 | ||
545 | HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) { | |
3aa30359 | 546 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
a614d823 KM |
547 | const char *dp_port; |
548 | ||
42943cde | 549 | if (!iter->is_tunnel) { |
a614d823 KM |
550 | continue; |
551 | } | |
552 | ||
3aa30359 BP |
553 | dp_port = netdev_vport_get_dpif_port(iter->up.netdev, |
554 | namebuf, sizeof namebuf); | |
a614d823 KM |
555 | node = simap_find(&tmp_backers, dp_port); |
556 | if (node) { | |
557 | simap_put(&backer->tnl_backers, dp_port, node->data); | |
558 | simap_delete(&tmp_backers, node); | |
559 | node = simap_find(&backer->tnl_backers, dp_port); | |
560 | } else { | |
561 | node = simap_find(&backer->tnl_backers, dp_port); | |
562 | if (!node) { | |
4e022ec0 | 563 | odp_port_t odp_port = ODPP_NONE; |
a614d823 KM |
564 | |
565 | if (!dpif_port_add(backer->dpif, iter->up.netdev, | |
566 | &odp_port)) { | |
4e022ec0 AW |
567 | simap_put(&backer->tnl_backers, dp_port, |
568 | odp_to_u32(odp_port)); | |
a614d823 KM |
569 | node = simap_find(&backer->tnl_backers, dp_port); |
570 | } | |
571 | } | |
572 | } | |
573 | ||
4e022ec0 | 574 | iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE; |
42943cde EJ |
575 | if (tnl_port_reconfigure(iter, iter->up.netdev, |
576 | iter->odp_port)) { | |
a614d823 KM |
577 | backer->need_revalidate = REV_RECONFIGURE; |
578 | } | |
579 | } | |
580 | } | |
581 | ||
582 | SIMAP_FOR_EACH (node, &tmp_backers) { | |
4e022ec0 | 583 | dpif_port_del(backer->dpif, u32_to_odp(node->data)); |
a614d823 KM |
584 | } |
585 | simap_destroy(&tmp_backers); | |
2cc3c58e EJ |
586 | |
587 | switch (backer->need_revalidate) { | |
588 | case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break; | |
589 | case REV_STP: COVERAGE_INC(rev_stp); break; | |
4a1b8f30 | 590 | case REV_BOND: COVERAGE_INC(rev_bond); break; |
2cc3c58e EJ |
591 | case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break; |
592 | case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break; | |
30618594 | 593 | case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break; |
2cc3c58e | 594 | } |
f728af2e BP |
595 | backer->need_revalidate = 0; |
596 | ||
2cc3c58e | 597 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { |
a1616063 | 598 | struct ofport_dpif *ofport; |
a1616063 | 599 | struct ofbundle *bundle; |
2cc3c58e EJ |
600 | |
601 | if (ofproto->backer != backer) { | |
602 | continue; | |
603 | } | |
604 | ||
dc24a00f | 605 | ovs_rwlock_wrlock(&xlate_rwlock); |
89a8a7f0 | 606 | xlate_ofproto_set(ofproto, ofproto->up.name, |
ec89fc6f EJ |
607 | ofproto->backer->dpif, ofproto->miss_rule, |
608 | ofproto->no_packet_in_rule, ofproto->ml, | |
9d189a50 EJ |
609 | ofproto->stp, ofproto->mbridge, |
610 | ofproto->sflow, ofproto->ipfix, | |
ce3955be | 611 | ofproto->netflow, ofproto->up.frag_handling, |
a1616063 | 612 | ofproto->up.forward_bpdu, |
4b97b70d | 613 | connmgr_has_in_band(ofproto->up.connmgr), |
adcf00ba | 614 | ofproto->backer->enable_recirc, |
8bfd0fda BP |
615 | ofproto->backer->variable_length_userdata, |
616 | ofproto->backer->max_mpls_depth); | |
46c88433 | 617 | |
a1616063 EJ |
618 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { |
619 | xlate_bundle_set(ofproto, bundle, bundle->name, | |
620 | bundle->vlan_mode, bundle->vlan, | |
621 | bundle->trunks, bundle->use_priority_tags, | |
622 | bundle->bond, bundle->lacp, | |
623 | bundle->floodable); | |
624 | } | |
625 | ||
626 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
9d189a50 EJ |
627 | int stp_port = ofport->stp_port |
628 | ? stp_port_no(ofport->stp_port) | |
92cf817b | 629 | : -1; |
a1616063 EJ |
630 | xlate_ofport_set(ofproto, ofport->bundle, ofport, |
631 | ofport->up.ofp_port, ofport->odp_port, | |
632 | ofport->up.netdev, ofport->cfm, | |
9d189a50 | 633 | ofport->bfd, ofport->peer, stp_port, |
55954f6e | 634 | ofport->qdscp, ofport->n_qdscp, |
dd8cd4b4 SH |
635 | ofport->up.pp.config, ofport->up.pp.state, |
636 | ofport->is_tunnel, ofport->may_enable); | |
46c88433 | 637 | } |
dc24a00f | 638 | ovs_rwlock_unlock(&xlate_rwlock); |
2cc3c58e | 639 | } |
e1ec7dd4 EJ |
640 | |
641 | udpif_revalidate(backer->udpif); | |
2cc3c58e EJ |
642 | } |
643 | ||
36beb9be | 644 | process_dpif_port_changes(backer); |
acf60855 JP |
645 | |
646 | return 0; | |
647 | } | |
648 | ||
36beb9be BP |
649 | /* Check for and handle port changes in 'backer''s dpif. */ |
650 | static void | |
651 | process_dpif_port_changes(struct dpif_backer *backer) | |
652 | { | |
653 | for (;;) { | |
654 | char *devname; | |
655 | int error; | |
656 | ||
657 | error = dpif_port_poll(backer->dpif, &devname); | |
658 | switch (error) { | |
659 | case EAGAIN: | |
660 | return; | |
661 | ||
662 | case ENOBUFS: | |
663 | process_dpif_all_ports_changed(backer); | |
664 | break; | |
665 | ||
666 | case 0: | |
667 | process_dpif_port_change(backer, devname); | |
668 | free(devname); | |
669 | break; | |
670 | ||
671 | default: | |
672 | process_dpif_port_error(backer, error); | |
673 | break; | |
674 | } | |
675 | } | |
676 | } | |
677 | ||
678 | static void | |
679 | process_dpif_all_ports_changed(struct dpif_backer *backer) | |
680 | { | |
681 | struct ofproto_dpif *ofproto; | |
682 | struct dpif_port dpif_port; | |
683 | struct dpif_port_dump dump; | |
684 | struct sset devnames; | |
685 | const char *devname; | |
686 | ||
687 | sset_init(&devnames); | |
688 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
689 | if (ofproto->backer == backer) { | |
690 | struct ofport *ofport; | |
691 | ||
692 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
693 | sset_add(&devnames, netdev_get_name(ofport->netdev)); | |
694 | } | |
695 | } | |
696 | } | |
697 | DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) { | |
698 | sset_add(&devnames, dpif_port.name); | |
699 | } | |
700 | ||
701 | SSET_FOR_EACH (devname, &devnames) { | |
702 | process_dpif_port_change(backer, devname); | |
703 | } | |
704 | sset_destroy(&devnames); | |
705 | } | |
706 | ||
707 | static void | |
708 | process_dpif_port_change(struct dpif_backer *backer, const char *devname) | |
709 | { | |
710 | struct ofproto_dpif *ofproto; | |
711 | struct dpif_port port; | |
712 | ||
713 | /* Don't report on the datapath's device. */ | |
714 | if (!strcmp(devname, dpif_base_name(backer->dpif))) { | |
715 | return; | |
716 | } | |
717 | ||
718 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, | |
719 | &all_ofproto_dpifs) { | |
720 | if (simap_contains(&ofproto->backer->tnl_backers, devname)) { | |
721 | return; | |
722 | } | |
723 | } | |
724 | ||
725 | ofproto = lookup_ofproto_dpif_by_port_name(devname); | |
726 | if (dpif_port_query_by_name(backer->dpif, devname, &port)) { | |
727 | /* The port was removed. If we know the datapath, | |
728 | * report it through poll_set(). If we don't, it may be | |
729 | * notifying us of a removal we initiated, so ignore it. | |
730 | * If there's a pending ENOBUFS, let it stand, since | |
731 | * everything will be reevaluated. */ | |
732 | if (ofproto && ofproto->port_poll_errno != ENOBUFS) { | |
733 | sset_add(&ofproto->port_poll_set, devname); | |
734 | ofproto->port_poll_errno = 0; | |
735 | } | |
736 | } else if (!ofproto) { | |
737 | /* The port was added, but we don't know with which | |
738 | * ofproto we should associate it. Delete it. */ | |
739 | dpif_port_del(backer->dpif, port.port_no); | |
74cc3969 BP |
740 | } else { |
741 | struct ofport_dpif *ofport; | |
742 | ||
743 | ofport = ofport_dpif_cast(shash_find_data( | |
744 | &ofproto->up.port_by_name, devname)); | |
745 | if (ofport | |
746 | && ofport->odp_port != port.port_no | |
747 | && !odp_port_to_ofport(backer, port.port_no)) | |
748 | { | |
749 | /* 'ofport''s datapath port number has changed from | |
750 | * 'ofport->odp_port' to 'port.port_no'. Update our internal data | |
751 | * structures to match. */ | |
8449c4d6 | 752 | ovs_rwlock_wrlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
753 | hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node); |
754 | ofport->odp_port = port.port_no; | |
755 | hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node, | |
756 | hash_odp_port(port.port_no)); | |
8449c4d6 | 757 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
74cc3969 BP |
758 | backer->need_revalidate = REV_RECONFIGURE; |
759 | } | |
36beb9be BP |
760 | } |
761 | dpif_port_destroy(&port); | |
762 | } | |
763 | ||
764 | /* Propagate 'error' to all ofprotos based on 'backer'. */ | |
765 | static void | |
766 | process_dpif_port_error(struct dpif_backer *backer, int error) | |
767 | { | |
768 | struct ofproto_dpif *ofproto; | |
769 | ||
770 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
771 | if (ofproto->backer == backer) { | |
772 | sset_clear(&ofproto->port_poll_set); | |
773 | ofproto->port_poll_errno = error; | |
774 | } | |
775 | } | |
776 | } | |
777 | ||
acf60855 JP |
778 | static void |
779 | type_wait(const char *type) | |
780 | { | |
781 | struct dpif_backer *backer; | |
782 | ||
783 | backer = shash_find_data(&all_dpif_backers, type); | |
784 | if (!backer) { | |
785 | /* This is not necessarily a problem, since backers are only | |
786 | * created on demand. */ | |
787 | return; | |
788 | } | |
789 | ||
c0365fc8 | 790 | dpif_wait(backer->dpif); |
acf60855 JP |
791 | } |
792 | \f | |
abe529af BP |
793 | /* Basic life-cycle. */ |
794 | ||
c57b2226 BP |
795 | static int add_internal_flows(struct ofproto_dpif *); |
796 | ||
abe529af BP |
797 | static struct ofproto * |
798 | alloc(void) | |
799 | { | |
800 | struct ofproto_dpif *ofproto = xmalloc(sizeof *ofproto); | |
801 | return &ofproto->up; | |
802 | } | |
803 | ||
804 | static void | |
805 | dealloc(struct ofproto *ofproto_) | |
806 | { | |
807 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
808 | free(ofproto); | |
809 | } | |
810 | ||
acf60855 JP |
811 | static void |
812 | close_dpif_backer(struct dpif_backer *backer) | |
813 | { | |
cb22974d | 814 | ovs_assert(backer->refcount > 0); |
acf60855 JP |
815 | |
816 | if (--backer->refcount) { | |
817 | return; | |
818 | } | |
819 | ||
b395cf1f BP |
820 | udpif_destroy(backer->udpif); |
821 | ||
7d82ab2e | 822 | simap_destroy(&backer->tnl_backers); |
8449c4d6 | 823 | ovs_rwlock_destroy(&backer->odp_to_ofport_lock); |
acf60855 | 824 | hmap_destroy(&backer->odp_to_ofport_map); |
4f7cc3c7 | 825 | shash_find_and_delete(&all_dpif_backers, backer->type); |
f5374617 | 826 | recirc_id_pool_destroy(backer->rid_pool); |
acf60855 | 827 | free(backer->type); |
acf60855 | 828 | dpif_close(backer->dpif); |
acf60855 JP |
829 | free(backer); |
830 | } | |
831 | ||
832 | /* Datapath port slated for removal from datapath. */ | |
833 | struct odp_garbage { | |
834 | struct list list_node; | |
4e022ec0 | 835 | odp_port_t odp_port; |
acf60855 JP |
836 | }; |
837 | ||
4b97b70d | 838 | static bool check_variable_length_userdata(struct dpif_backer *backer); |
8bfd0fda | 839 | static size_t check_max_mpls_depth(struct dpif_backer *backer); |
adcf00ba | 840 | static bool check_recirc(struct dpif_backer *backer); |
4b97b70d | 841 | |
acf60855 JP |
842 | static int |
843 | open_dpif_backer(const char *type, struct dpif_backer **backerp) | |
844 | { | |
845 | struct dpif_backer *backer; | |
846 | struct dpif_port_dump port_dump; | |
847 | struct dpif_port port; | |
848 | struct shash_node *node; | |
849 | struct list garbage_list; | |
850 | struct odp_garbage *garbage, *next; | |
f5374617 | 851 | |
acf60855 JP |
852 | struct sset names; |
853 | char *backer_name; | |
854 | const char *name; | |
855 | int error; | |
856 | ||
857 | backer = shash_find_data(&all_dpif_backers, type); | |
858 | if (backer) { | |
859 | backer->refcount++; | |
860 | *backerp = backer; | |
861 | return 0; | |
862 | } | |
863 | ||
864 | backer_name = xasprintf("ovs-%s", type); | |
865 | ||
866 | /* Remove any existing datapaths, since we assume we're the only | |
867 | * userspace controlling the datapath. */ | |
868 | sset_init(&names); | |
869 | dp_enumerate_names(type, &names); | |
870 | SSET_FOR_EACH(name, &names) { | |
871 | struct dpif *old_dpif; | |
872 | ||
873 | /* Don't remove our backer if it exists. */ | |
874 | if (!strcmp(name, backer_name)) { | |
875 | continue; | |
876 | } | |
877 | ||
878 | if (dpif_open(name, type, &old_dpif)) { | |
879 | VLOG_WARN("couldn't open old datapath %s to remove it", name); | |
880 | } else { | |
881 | dpif_delete(old_dpif); | |
882 | dpif_close(old_dpif); | |
883 | } | |
884 | } | |
885 | sset_destroy(&names); | |
886 | ||
887 | backer = xmalloc(sizeof *backer); | |
888 | ||
889 | error = dpif_create_and_open(backer_name, type, &backer->dpif); | |
890 | free(backer_name); | |
891 | if (error) { | |
892 | VLOG_ERR("failed to open datapath of type %s: %s", type, | |
10a89ef0 | 893 | ovs_strerror(error)); |
4c1b1289 | 894 | free(backer); |
acf60855 JP |
895 | return error; |
896 | } | |
e1ec7dd4 | 897 | backer->udpif = udpif_create(backer, backer->dpif); |
acf60855 JP |
898 | |
899 | backer->type = xstrdup(type); | |
900 | backer->refcount = 1; | |
901 | hmap_init(&backer->odp_to_ofport_map); | |
8449c4d6 | 902 | ovs_rwlock_init(&backer->odp_to_ofport_lock); |
2cc3c58e | 903 | backer->need_revalidate = 0; |
7d82ab2e | 904 | simap_init(&backer->tnl_backers); |
40358701 | 905 | backer->recv_set_enable = !ofproto_get_flow_restore_wait(); |
acf60855 JP |
906 | *backerp = backer; |
907 | ||
40358701 GS |
908 | if (backer->recv_set_enable) { |
909 | dpif_flow_flush(backer->dpif); | |
910 | } | |
acf60855 JP |
911 | |
912 | /* Loop through the ports already on the datapath and remove any | |
913 | * that we don't need anymore. */ | |
914 | list_init(&garbage_list); | |
915 | dpif_port_dump_start(&port_dump, backer->dpif); | |
916 | while (dpif_port_dump_next(&port_dump, &port)) { | |
917 | node = shash_find(&init_ofp_ports, port.name); | |
918 | if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) { | |
919 | garbage = xmalloc(sizeof *garbage); | |
920 | garbage->odp_port = port.port_no; | |
921 | list_push_front(&garbage_list, &garbage->list_node); | |
922 | } | |
923 | } | |
924 | dpif_port_dump_done(&port_dump); | |
925 | ||
926 | LIST_FOR_EACH_SAFE (garbage, next, list_node, &garbage_list) { | |
927 | dpif_port_del(backer->dpif, garbage->odp_port); | |
928 | list_remove(&garbage->list_node); | |
929 | free(garbage); | |
930 | } | |
931 | ||
932 | shash_add(&all_dpif_backers, type, backer); | |
933 | ||
40358701 | 934 | error = dpif_recv_set(backer->dpif, backer->recv_set_enable); |
acf60855 JP |
935 | if (error) { |
936 | VLOG_ERR("failed to listen on datapath of type %s: %s", | |
10a89ef0 | 937 | type, ovs_strerror(error)); |
acf60855 JP |
938 | close_dpif_backer(backer); |
939 | return error; | |
940 | } | |
adcf00ba | 941 | backer->enable_recirc = check_recirc(backer); |
4b97b70d | 942 | backer->variable_length_userdata = check_variable_length_userdata(backer); |
8bfd0fda | 943 | backer->max_mpls_depth = check_max_mpls_depth(backer); |
f5374617 | 944 | backer->rid_pool = recirc_id_pool_create(); |
6567010f EJ |
945 | |
946 | if (backer->recv_set_enable) { | |
e79a6c83 | 947 | udpif_set_threads(backer->udpif, n_handlers, n_revalidators); |
6567010f | 948 | } |
acf60855 JP |
949 | |
950 | return error; | |
951 | } | |
952 | ||
adcf00ba AZ |
953 | /* Tests whether 'backer''s datapath supports recirculation Only newer datapath |
954 | * supports OVS_KEY_ATTR in OVS_ACTION_ATTR_USERSPACE actions. We need to | |
955 | * disable some features on older datapaths that don't support this feature. | |
956 | * | |
957 | * Returns false if 'backer' definitely does not support recirculation, true if | |
958 | * it seems to support recirculation or if at least the error we get is | |
959 | * ambiguous. */ | |
960 | static bool | |
961 | check_recirc(struct dpif_backer *backer) | |
962 | { | |
963 | struct flow flow; | |
964 | struct odputil_keybuf keybuf; | |
965 | struct ofpbuf key; | |
966 | int error; | |
967 | bool enable_recirc = false; | |
968 | ||
969 | memset(&flow, 0, sizeof flow); | |
970 | flow.recirc_id = 1; | |
971 | flow.dp_hash = 1; | |
972 | ||
973 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
fbfe01de | 974 | odp_flow_key_from_flow(&key, &flow, NULL, 0); |
adcf00ba AZ |
975 | |
976 | error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_MODIFY, | |
8bd43ce6 JR |
977 | ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, NULL, |
978 | 0, NULL); | |
adcf00ba AZ |
979 | if (error && error != EEXIST) { |
980 | if (error != EINVAL) { | |
981 | VLOG_WARN("%s: Reciculation flow probe failed (%s)", | |
982 | dpif_name(backer->dpif), ovs_strerror(error)); | |
983 | } | |
984 | goto done; | |
985 | } | |
986 | ||
8bd43ce6 JR |
987 | error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), ofpbuf_size(&key), |
988 | NULL); | |
adcf00ba AZ |
989 | if (error) { |
990 | VLOG_WARN("%s: failed to delete recirculation feature probe flow", | |
991 | dpif_name(backer->dpif)); | |
992 | } | |
993 | ||
994 | enable_recirc = true; | |
995 | ||
996 | done: | |
997 | if (enable_recirc) { | |
998 | VLOG_INFO("%s: Datapath supports recirculation", | |
999 | dpif_name(backer->dpif)); | |
1000 | } else { | |
1001 | VLOG_INFO("%s: Datapath does not support recirculation", | |
1002 | dpif_name(backer->dpif)); | |
1003 | } | |
1004 | ||
1005 | return enable_recirc; | |
1006 | } | |
1007 | ||
4b97b70d BP |
1008 | /* Tests whether 'backer''s datapath supports variable-length |
1009 | * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need | |
1010 | * to disable some features on older datapaths that don't support this | |
1011 | * feature. | |
1012 | * | |
1013 | * Returns false if 'backer' definitely does not support variable-length | |
1014 | * userdata, true if it seems to support them or if at least the error we get | |
1015 | * is ambiguous. */ | |
1016 | static bool | |
1017 | check_variable_length_userdata(struct dpif_backer *backer) | |
1018 | { | |
1019 | struct eth_header *eth; | |
1020 | struct ofpbuf actions; | |
758c456d | 1021 | struct dpif_execute execute; |
4b97b70d BP |
1022 | struct ofpbuf packet; |
1023 | size_t start; | |
1024 | int error; | |
1025 | ||
1026 | /* Compose a userspace action that will cause an ERANGE error on older | |
1027 | * datapaths that don't support variable-length userdata. | |
1028 | * | |
1029 | * We really test for using userdata longer than 8 bytes, but older | |
1030 | * datapaths accepted these, silently truncating the userdata to 8 bytes. | |
1031 | * The same older datapaths rejected userdata shorter than 8 bytes, so we | |
1032 | * test for that instead as a proxy for longer userdata support. */ | |
1033 | ofpbuf_init(&actions, 64); | |
1034 | start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE); | |
1035 | nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID, | |
1954e6bb | 1036 | dpif_port_get_pid(backer->dpif, ODPP_NONE, 0)); |
4b97b70d BP |
1037 | nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4); |
1038 | nl_msg_end_nested(&actions, start); | |
1039 | ||
758c456d | 1040 | /* Compose a dummy ethernet packet. */ |
4b97b70d BP |
1041 | ofpbuf_init(&packet, ETH_HEADER_LEN); |
1042 | eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN); | |
1043 | eth->eth_type = htons(0x1234); | |
1044 | ||
758c456d | 1045 | /* Execute the actions. On older datapaths this fails with ERANGE, on |
4b97b70d | 1046 | * newer datapaths it succeeds. */ |
1f317cb5 PS |
1047 | execute.actions = ofpbuf_data(&actions); |
1048 | execute.actions_len = ofpbuf_size(&actions); | |
758c456d JR |
1049 | execute.packet = &packet; |
1050 | execute.md = PKT_METADATA_INITIALIZER(0); | |
1051 | execute.needs_help = false; | |
1052 | ||
1053 | error = dpif_execute(backer->dpif, &execute); | |
4b97b70d BP |
1054 | |
1055 | ofpbuf_uninit(&packet); | |
4b97b70d BP |
1056 | ofpbuf_uninit(&actions); |
1057 | ||
1058 | switch (error) { | |
1059 | case 0: | |
1060 | /* Variable-length userdata is supported. | |
1061 | * | |
1062 | * Purge received packets to avoid processing the nonsense packet we | |
1063 | * sent to userspace, then report success. */ | |
1064 | dpif_recv_purge(backer->dpif); | |
1065 | return true; | |
1066 | ||
1067 | case ERANGE: | |
1068 | /* Variable-length userdata is not supported. */ | |
1069 | VLOG_WARN("%s: datapath does not support variable-length userdata " | |
1070 | "feature (needs Linux 3.10+ or kernel module from OVS " | |
1071 | "1..11+). The NXAST_SAMPLE action will be ignored.", | |
1072 | dpif_name(backer->dpif)); | |
1073 | return false; | |
1074 | ||
1075 | default: | |
1076 | /* Something odd happened. We're not sure whether variable-length | |
1077 | * userdata is supported. Default to "yes". */ | |
1078 | VLOG_WARN("%s: variable-length userdata feature probe failed (%s)", | |
1079 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1080 | return true; | |
1081 | } | |
1082 | } | |
1083 | ||
8bfd0fda BP |
1084 | /* Tests the MPLS label stack depth supported by 'backer''s datapath. |
1085 | * | |
1086 | * Returns the number of elements in a struct flow's mpls_lse field | |
1087 | * if the datapath supports at least that many entries in an | |
1088 | * MPLS label stack. | |
1089 | * Otherwise returns the number of MPLS push actions supported by | |
1090 | * the datapath. */ | |
1091 | static size_t | |
1092 | check_max_mpls_depth(struct dpif_backer *backer) | |
1093 | { | |
1094 | struct flow flow; | |
1095 | int n; | |
1096 | ||
1097 | for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) { | |
1098 | struct odputil_keybuf keybuf; | |
1099 | struct ofpbuf key; | |
1100 | int error; | |
1101 | ||
1102 | memset(&flow, 0, sizeof flow); | |
1103 | flow.dl_type = htons(ETH_TYPE_MPLS); | |
1104 | flow_set_mpls_bos(&flow, n, 1); | |
1105 | ||
1106 | ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); | |
fbfe01de | 1107 | odp_flow_key_from_flow(&key, &flow, NULL, 0); |
8bfd0fda BP |
1108 | |
1109 | error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_MODIFY, | |
1f317cb5 | 1110 | ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, NULL, 0, NULL); |
8bfd0fda BP |
1111 | if (error && error != EEXIST) { |
1112 | if (error != EINVAL) { | |
1113 | VLOG_WARN("%s: MPLS stack length feature probe failed (%s)", | |
1114 | dpif_name(backer->dpif), ovs_strerror(error)); | |
1115 | } | |
1116 | break; | |
1117 | } | |
1118 | ||
1f317cb5 | 1119 | error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), ofpbuf_size(&key), NULL); |
8bfd0fda BP |
1120 | if (error) { |
1121 | VLOG_WARN("%s: failed to delete MPLS feature probe flow", | |
1122 | dpif_name(backer->dpif)); | |
1123 | } | |
1124 | } | |
1125 | ||
1126 | VLOG_INFO("%s: MPLS label stack length probed as %d", | |
1127 | dpif_name(backer->dpif), n); | |
1128 | return n; | |
1129 | } | |
1130 | ||
abe529af | 1131 | static int |
0f5f95a9 | 1132 | construct(struct ofproto *ofproto_) |
abe529af BP |
1133 | { |
1134 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 1135 | struct shash_node *node, *next; |
abe529af | 1136 | int error; |
abe529af | 1137 | |
acf60855 | 1138 | error = open_dpif_backer(ofproto->up.type, &ofproto->backer); |
abe529af | 1139 | if (error) { |
abe529af BP |
1140 | return error; |
1141 | } | |
1142 | ||
abe529af BP |
1143 | ofproto->netflow = NULL; |
1144 | ofproto->sflow = NULL; | |
29089a54 | 1145 | ofproto->ipfix = NULL; |
21f7563c | 1146 | ofproto->stp = NULL; |
e79a6c83 | 1147 | ofproto->dump_seq = 0; |
abe529af | 1148 | hmap_init(&ofproto->bundles); |
e764773c | 1149 | ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME); |
ec7ceaed | 1150 | ofproto->mbridge = mbridge_create(); |
abe529af | 1151 | ofproto->has_bonded_bundles = false; |
e2d13c43 | 1152 | ofproto->lacp_enabled = false; |
97ba2d36 | 1153 | ovs_mutex_init_adaptive(&ofproto->stats_mutex); |
834d6caf | 1154 | ovs_mutex_init(&ofproto->vsp_mutex); |
abe529af | 1155 | |
05067881 | 1156 | guarded_list_init(&ofproto->pins); |
ada3a58d | 1157 | |
abe529af BP |
1158 | ofproto_dpif_unixctl_init(); |
1159 | ||
52a90c29 BP |
1160 | hmap_init(&ofproto->vlandev_map); |
1161 | hmap_init(&ofproto->realdev_vid_map); | |
1162 | ||
acf60855 | 1163 | sset_init(&ofproto->ports); |
0a740f48 | 1164 | sset_init(&ofproto->ghost_ports); |
acf60855 JP |
1165 | sset_init(&ofproto->port_poll_set); |
1166 | ofproto->port_poll_errno = 0; | |
f23d157c | 1167 | ofproto->change_seq = 0; |
cfc50ae5 AW |
1168 | ofproto->pins_seq = seq_create(); |
1169 | ofproto->pins_seqno = seq_read(ofproto->pins_seq); | |
1170 | ||
acf60855 JP |
1171 | |
1172 | SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) { | |
4f9e08a5 | 1173 | struct iface_hint *iface_hint = node->data; |
acf60855 JP |
1174 | |
1175 | if (!strcmp(iface_hint->br_name, ofproto->up.name)) { | |
1176 | /* Check if the datapath already has this port. */ | |
1177 | if (dpif_port_exists(ofproto->backer->dpif, node->name)) { | |
1178 | sset_add(&ofproto->ports, node->name); | |
1179 | } | |
1180 | ||
1181 | free(iface_hint->br_name); | |
1182 | free(iface_hint->br_type); | |
4f9e08a5 | 1183 | free(iface_hint); |
acf60855 JP |
1184 | shash_delete(&init_ofp_ports, node); |
1185 | } | |
1186 | } | |
e1b1d06a | 1187 | |
b44a10b7 BP |
1188 | hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node, |
1189 | hash_string(ofproto->up.name, 0)); | |
6527c598 | 1190 | memset(&ofproto->stats, 0, sizeof ofproto->stats); |
0f5f95a9 BP |
1191 | |
1192 | ofproto_init_tables(ofproto_, N_TABLES); | |
c57b2226 | 1193 | error = add_internal_flows(ofproto); |
adcf00ba | 1194 | |
c57b2226 BP |
1195 | ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY; |
1196 | ||
1197 | return error; | |
1198 | } | |
1199 | ||
1200 | static int | |
adcf00ba | 1201 | add_internal_miss_flow(struct ofproto_dpif *ofproto, int id, |
f25d0cf3 | 1202 | const struct ofpbuf *ofpacts, struct rule_dpif **rulep) |
c57b2226 | 1203 | { |
adcf00ba | 1204 | struct match match; |
c57b2226 | 1205 | int error; |
adcf00ba | 1206 | struct rule *rule; |
c57b2226 | 1207 | |
adcf00ba AZ |
1208 | match_init_catchall(&match); |
1209 | match_set_reg(&match, 0, id); | |
c57b2226 | 1210 | |
adcf00ba AZ |
1211 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, ofpacts, &rule); |
1212 | *rulep = error ? NULL : rule_dpif_cast(rule); | |
0f5f95a9 | 1213 | |
adcf00ba | 1214 | return error; |
abe529af BP |
1215 | } |
1216 | ||
c57b2226 BP |
1217 | static int |
1218 | add_internal_flows(struct ofproto_dpif *ofproto) | |
1219 | { | |
f25d0cf3 BP |
1220 | struct ofpact_controller *controller; |
1221 | uint64_t ofpacts_stub[128 / 8]; | |
1222 | struct ofpbuf ofpacts; | |
adcf00ba AZ |
1223 | struct rule *unused_rulep OVS_UNUSED; |
1224 | struct ofpact_resubmit *resubmit; | |
1225 | struct match match; | |
c57b2226 BP |
1226 | int error; |
1227 | int id; | |
1228 | ||
f25d0cf3 | 1229 | ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub); |
c57b2226 BP |
1230 | id = 1; |
1231 | ||
f25d0cf3 BP |
1232 | controller = ofpact_put_CONTROLLER(&ofpacts); |
1233 | controller->max_len = UINT16_MAX; | |
1234 | controller->controller_id = 0; | |
1235 | controller->reason = OFPR_NO_MATCH; | |
1236 | ofpact_pad(&ofpacts); | |
1237 | ||
adcf00ba AZ |
1238 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
1239 | &ofproto->miss_rule); | |
c57b2226 BP |
1240 | if (error) { |
1241 | return error; | |
1242 | } | |
1243 | ||
f25d0cf3 | 1244 | ofpbuf_clear(&ofpacts); |
adcf00ba | 1245 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
c57b2226 | 1246 | &ofproto->no_packet_in_rule); |
7fd51d39 BP |
1247 | if (error) { |
1248 | return error; | |
1249 | } | |
1250 | ||
adcf00ba | 1251 | error = add_internal_miss_flow(ofproto, id++, &ofpacts, |
7fd51d39 | 1252 | &ofproto->drop_frags_rule); |
adcf00ba AZ |
1253 | if (error) { |
1254 | return error; | |
1255 | } | |
1256 | ||
1257 | /* Continue non-recirculation rule lookups from table 0. | |
1258 | * | |
1259 | * (priority=2), recirc=0, actions=resubmit(, 0) | |
1260 | */ | |
1261 | resubmit = ofpact_put_RESUBMIT(&ofpacts); | |
1262 | resubmit->ofpact.compat = 0; | |
1263 | resubmit->in_port = OFPP_IN_PORT; | |
1264 | resubmit->table_id = 0; | |
1265 | ||
1266 | match_init_catchall(&match); | |
1267 | match_set_recirc_id(&match, 0); | |
1268 | ||
1269 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, &ofpacts, | |
1270 | &unused_rulep); | |
1271 | if (error) { | |
1272 | return error; | |
1273 | } | |
1274 | ||
1275 | /* Drop any run away recirc rule lookups. Recirc_id has to be | |
1276 | * non-zero when reaching this rule. | |
1277 | * | |
1278 | * (priority=1), *, actions=drop | |
1279 | */ | |
1280 | ofpbuf_clear(&ofpacts); | |
1281 | match_init_catchall(&match); | |
1282 | error = ofproto_dpif_add_internal_flow(ofproto, &match, 1, &ofpacts, | |
1283 | &unused_rulep); | |
1284 | ||
c57b2226 BP |
1285 | return error; |
1286 | } | |
1287 | ||
abe529af BP |
1288 | static void |
1289 | destruct(struct ofproto *ofproto_) | |
1290 | { | |
1291 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
7ee20df1 | 1292 | struct rule_dpif *rule, *next_rule; |
0fb7792a | 1293 | struct ofproto_packet_in *pin, *next_pin; |
d0918789 | 1294 | struct oftable *table; |
1b63b91e | 1295 | struct list pins; |
abe529af | 1296 | |
875b94ed | 1297 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
dc24a00f | 1298 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 1299 | xlate_remove_ofproto(ofproto); |
dc24a00f | 1300 | ovs_rwlock_unlock(&xlate_rwlock); |
46c88433 | 1301 | |
3f142f59 BP |
1302 | /* Ensure that the upcall processing threads have no remaining references |
1303 | * to the ofproto or anything in it. */ | |
1304 | udpif_synchronize(ofproto->backer->udpif); | |
1fe409d5 | 1305 | |
b44a10b7 | 1306 | hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node); |
7ee20df1 | 1307 | |
0697b5c3 BP |
1308 | OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) { |
1309 | struct cls_cursor cursor; | |
1310 | ||
06f81620 | 1311 | fat_rwlock_rdlock(&table->cls.rwlock); |
d0918789 | 1312 | cls_cursor_init(&cursor, &table->cls, NULL); |
06f81620 | 1313 | fat_rwlock_unlock(&table->cls.rwlock); |
0697b5c3 | 1314 | CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, up.cr, &cursor) { |
8b81d1ef | 1315 | ofproto_rule_delete(&ofproto->up, &rule->up); |
0697b5c3 | 1316 | } |
7ee20df1 BP |
1317 | } |
1318 | ||
05067881 BP |
1319 | guarded_list_pop_all(&ofproto->pins, &pins); |
1320 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) { | |
ada3a58d | 1321 | list_remove(&pin->list_node); |
0fb7792a | 1322 | free(CONST_CAST(void *, pin->up.packet)); |
ada3a58d EJ |
1323 | free(pin); |
1324 | } | |
05067881 | 1325 | guarded_list_destroy(&ofproto->pins); |
ada3a58d | 1326 | |
ec7ceaed | 1327 | mbridge_unref(ofproto->mbridge); |
abe529af | 1328 | |
8e407f27 | 1329 | netflow_unref(ofproto->netflow); |
9723bcce | 1330 | dpif_sflow_unref(ofproto->sflow); |
abe529af | 1331 | hmap_destroy(&ofproto->bundles); |
5d989517 | 1332 | mac_learning_unref(ofproto->ml); |
abe529af | 1333 | |
52a90c29 BP |
1334 | hmap_destroy(&ofproto->vlandev_map); |
1335 | hmap_destroy(&ofproto->realdev_vid_map); | |
1336 | ||
acf60855 | 1337 | sset_destroy(&ofproto->ports); |
0a740f48 | 1338 | sset_destroy(&ofproto->ghost_ports); |
acf60855 | 1339 | sset_destroy(&ofproto->port_poll_set); |
e1b1d06a | 1340 | |
0da3c61b | 1341 | ovs_mutex_destroy(&ofproto->stats_mutex); |
13501305 EJ |
1342 | ovs_mutex_destroy(&ofproto->vsp_mutex); |
1343 | ||
cfc50ae5 AW |
1344 | seq_destroy(ofproto->pins_seq); |
1345 | ||
acf60855 | 1346 | close_dpif_backer(ofproto->backer); |
abe529af BP |
1347 | } |
1348 | ||
5fcc0d00 BP |
1349 | static int |
1350 | run(struct ofproto *ofproto_) | |
1351 | { | |
1352 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
e79a6c83 | 1353 | uint64_t new_seq, new_dump_seq; |
5fcc0d00 | 1354 | |
ec7ceaed EJ |
1355 | if (mbridge_need_revalidate(ofproto->mbridge)) { |
1356 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
509c0149 | 1357 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 1358 | mac_learning_flush(ofproto->ml); |
509c0149 | 1359 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
ec7ceaed EJ |
1360 | } |
1361 | ||
a6b7506d | 1362 | /* Do not perform any periodic activity required by 'ofproto' while |
40358701 | 1363 | * waiting for flow restore to complete. */ |
a6b7506d EJ |
1364 | if (!ofproto_get_flow_restore_wait()) { |
1365 | struct ofproto_packet_in *pin, *next_pin; | |
1366 | struct list pins; | |
40358701 | 1367 | |
a6b7506d EJ |
1368 | guarded_list_pop_all(&ofproto->pins, &pins); |
1369 | LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) { | |
1370 | connmgr_send_packet_in(ofproto->up.connmgr, pin); | |
1371 | list_remove(&pin->list_node); | |
1372 | free(CONST_CAST(void *, pin->up.packet)); | |
1373 | free(pin); | |
1374 | } | |
abe529af BP |
1375 | } |
1376 | ||
cfc50ae5 AW |
1377 | /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during |
1378 | * flow restore. Even though nothing is processed during flow restore, | |
1379 | * all queued 'pins' will be handled immediately when flow restore | |
1380 | * completes. */ | |
1381 | ofproto->pins_seqno = seq_read(ofproto->pins_seq); | |
1382 | ||
abe529af | 1383 | if (ofproto->netflow) { |
8bfaca5b | 1384 | netflow_run(ofproto->netflow); |
abe529af BP |
1385 | } |
1386 | if (ofproto->sflow) { | |
bae473fe | 1387 | dpif_sflow_run(ofproto->sflow); |
abe529af | 1388 | } |
978427a5 RL |
1389 | if (ofproto->ipfix) { |
1390 | dpif_ipfix_run(ofproto->ipfix); | |
1391 | } | |
abe529af | 1392 | |
f23d157c JS |
1393 | new_seq = seq_read(connectivity_seq_get()); |
1394 | if (ofproto->change_seq != new_seq) { | |
1395 | struct ofport_dpif *ofport; | |
1396 | ||
1397 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { | |
1398 | port_run(ofport); | |
1399 | } | |
1400 | ||
1401 | ofproto->change_seq = new_seq; | |
abe529af | 1402 | } |
e2d13c43 JS |
1403 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1404 | struct ofbundle *bundle; | |
1405 | ||
1406 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1407 | bundle_run(bundle); | |
1408 | } | |
abe529af BP |
1409 | } |
1410 | ||
21f7563c | 1411 | stp_run(ofproto); |
509c0149 | 1412 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 EJ |
1413 | if (mac_learning_run(ofproto->ml)) { |
1414 | ofproto->backer->need_revalidate = REV_MAC_LEARNING; | |
1415 | } | |
509c0149 | 1416 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 1417 | |
e79a6c83 EJ |
1418 | new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif)); |
1419 | if (ofproto->dump_seq != new_dump_seq) { | |
1420 | struct rule *rule, *next_rule; | |
1421 | ||
1422 | /* We know stats are relatively fresh, so now is a good time to do some | |
1423 | * periodic work. */ | |
1424 | ofproto->dump_seq = new_dump_seq; | |
1425 | ||
1426 | /* Expire OpenFlow flows whose idle_timeout or hard_timeout | |
1427 | * has passed. */ | |
1428 | ovs_mutex_lock(&ofproto_mutex); | |
1429 | LIST_FOR_EACH_SAFE (rule, next_rule, expirable, | |
1430 | &ofproto->up.expirable) { | |
1431 | rule_expire(rule_dpif_cast(rule)); | |
1432 | } | |
1433 | ovs_mutex_unlock(&ofproto_mutex); | |
1434 | ||
1435 | /* All outstanding data in existing flows has been accounted, so it's a | |
1436 | * good time to do bond rebalancing. */ | |
60cda7d6 | 1437 | if (ofproto->has_bonded_bundles) { |
e79a6c83 EJ |
1438 | struct ofbundle *bundle; |
1439 | ||
1440 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
60cda7d6 AZ |
1441 | if (bundle->bond) { |
1442 | bond_rebalance(bundle->bond); | |
e79a6c83 EJ |
1443 | } |
1444 | } | |
6814e51f BP |
1445 | } |
1446 | } | |
1447 | ||
abe529af BP |
1448 | return 0; |
1449 | } | |
1450 | ||
1451 | static void | |
1452 | wait(struct ofproto *ofproto_) | |
1453 | { | |
1454 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
abe529af | 1455 | |
40358701 GS |
1456 | if (ofproto_get_flow_restore_wait()) { |
1457 | return; | |
1458 | } | |
1459 | ||
abe529af | 1460 | if (ofproto->sflow) { |
bae473fe | 1461 | dpif_sflow_wait(ofproto->sflow); |
abe529af | 1462 | } |
978427a5 RL |
1463 | if (ofproto->ipfix) { |
1464 | dpif_ipfix_wait(ofproto->ipfix); | |
1465 | } | |
e2d13c43 JS |
1466 | if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) { |
1467 | struct ofbundle *bundle; | |
1468 | ||
1469 | HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { | |
1470 | bundle_wait(bundle); | |
1471 | } | |
abe529af | 1472 | } |
6fca1ffb BP |
1473 | if (ofproto->netflow) { |
1474 | netflow_wait(ofproto->netflow); | |
1475 | } | |
509c0149 | 1476 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
1c313b88 | 1477 | mac_learning_wait(ofproto->ml); |
509c0149 | 1478 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
21f7563c | 1479 | stp_wait(ofproto); |
2cc3c58e | 1480 | if (ofproto->backer->need_revalidate) { |
abe529af BP |
1481 | /* Shouldn't happen, but if it does just go around again. */ |
1482 | VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()"); | |
1483 | poll_immediate_wake(); | |
abe529af | 1484 | } |
abe529af | 1485 | |
e79a6c83 | 1486 | seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq); |
cfc50ae5 | 1487 | seq_wait(ofproto->pins_seq, ofproto->pins_seqno); |
0d085684 BP |
1488 | } |
1489 | ||
1c030aa5 EJ |
1490 | static void |
1491 | type_get_memory_usage(const char *type, struct simap *usage) | |
1492 | { | |
1493 | struct dpif_backer *backer; | |
1494 | ||
1495 | backer = shash_find_data(&all_dpif_backers, type); | |
1496 | if (backer) { | |
1497 | udpif_get_memory_usage(backer->udpif, usage); | |
1498 | } | |
1499 | } | |
1500 | ||
abe529af | 1501 | static void |
1b5b5071 | 1502 | flush(struct ofproto *ofproto_) |
abe529af | 1503 | { |
1b5b5071 AZ |
1504 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
1505 | struct dpif_backer *backer = ofproto->backer; | |
1506 | ||
1507 | if (backer) { | |
1508 | udpif_flush(backer->udpif); | |
1509 | } | |
abe529af BP |
1510 | } |
1511 | ||
6c1491fb BP |
1512 | static void |
1513 | get_features(struct ofproto *ofproto_ OVS_UNUSED, | |
9e1fd49b | 1514 | bool *arp_match_ip, enum ofputil_action_bitmap *actions) |
6c1491fb BP |
1515 | { |
1516 | *arp_match_ip = true; | |
9e1fd49b BP |
1517 | *actions = (OFPUTIL_A_OUTPUT | |
1518 | OFPUTIL_A_SET_VLAN_VID | | |
1519 | OFPUTIL_A_SET_VLAN_PCP | | |
1520 | OFPUTIL_A_STRIP_VLAN | | |
1521 | OFPUTIL_A_SET_DL_SRC | | |
1522 | OFPUTIL_A_SET_DL_DST | | |
1523 | OFPUTIL_A_SET_NW_SRC | | |
1524 | OFPUTIL_A_SET_NW_DST | | |
1525 | OFPUTIL_A_SET_NW_TOS | | |
1526 | OFPUTIL_A_SET_TP_SRC | | |
1527 | OFPUTIL_A_SET_TP_DST | | |
1528 | OFPUTIL_A_ENQUEUE); | |
6c1491fb BP |
1529 | } |
1530 | ||
1531 | static void | |
307975da | 1532 | get_tables(struct ofproto *ofproto_, struct ofp12_table_stats *ots) |
6c1491fb BP |
1533 | { |
1534 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
a8d9304d | 1535 | struct dpif_dp_stats s; |
7fd51d39 | 1536 | uint64_t n_miss, n_no_pkt_in, n_bytes, n_dropped_frags; |
7e741ffb | 1537 | uint64_t n_lookup; |
dc437090 | 1538 | long long int used; |
6c1491fb BP |
1539 | |
1540 | strcpy(ots->name, "classifier"); | |
1541 | ||
acf60855 | 1542 | dpif_get_dp_stats(ofproto->backer->dpif, &s); |
dc437090 JR |
1543 | rule_get_stats(&ofproto->miss_rule->up, &n_miss, &n_bytes, &used); |
1544 | rule_get_stats(&ofproto->no_packet_in_rule->up, &n_no_pkt_in, &n_bytes, | |
1545 | &used); | |
1546 | rule_get_stats(&ofproto->drop_frags_rule->up, &n_dropped_frags, &n_bytes, | |
1547 | &used); | |
7fd51d39 | 1548 | n_lookup = s.n_hit + s.n_missed - n_dropped_frags; |
7e741ffb JG |
1549 | ots->lookup_count = htonll(n_lookup); |
1550 | ots->matched_count = htonll(n_lookup - n_miss - n_no_pkt_in); | |
6c1491fb BP |
1551 | } |
1552 | ||
abe529af BP |
1553 | static struct ofport * |
1554 | port_alloc(void) | |
1555 | { | |
1556 | struct ofport_dpif *port = xmalloc(sizeof *port); | |
1557 | return &port->up; | |
1558 | } | |
1559 | ||
1560 | static void | |
1561 | port_dealloc(struct ofport *port_) | |
1562 | { | |
1563 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1564 | free(port); | |
1565 | } | |
1566 | ||
1567 | static int | |
1568 | port_construct(struct ofport *port_) | |
1569 | { | |
1570 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1571 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
b9ad7294 | 1572 | const struct netdev *netdev = port->up.netdev; |
3aa30359 | 1573 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
e1b1d06a JP |
1574 | struct dpif_port dpif_port; |
1575 | int error; | |
abe529af | 1576 | |
2cc3c58e | 1577 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
1578 | port->bundle = NULL; |
1579 | port->cfm = NULL; | |
ccc09689 | 1580 | port->bfd = NULL; |
d5ffa7f2 | 1581 | port->may_enable = true; |
21f7563c JP |
1582 | port->stp_port = NULL; |
1583 | port->stp_state = STP_DISABLED; | |
42943cde | 1584 | port->is_tunnel = false; |
6cbbf4fa | 1585 | port->peer = NULL; |
55954f6e EJ |
1586 | port->qdscp = NULL; |
1587 | port->n_qdscp = 0; | |
52a90c29 BP |
1588 | port->realdev_ofp_port = 0; |
1589 | port->vlandev_vid = 0; | |
b9ad7294 | 1590 | port->carrier_seq = netdev_get_carrier_resets(netdev); |
a6363cfd | 1591 | port->is_layer3 = netdev_vport_is_layer3(netdev); |
abe529af | 1592 | |
b9ad7294 | 1593 | if (netdev_vport_is_patch(netdev)) { |
743cea45 NM |
1594 | /* By bailing out here, we don't submit the port to the sFlow module |
1595 | * to be considered for counter polling export. This is correct | |
1596 | * because the patch port represents an interface that sFlow considers | |
1597 | * to be "internal" to the switch as a whole, and therefore not an | |
1598 | * candidate for counter polling. */ | |
4e022ec0 | 1599 | port->odp_port = ODPP_NONE; |
6cbbf4fa | 1600 | ofport_update_peer(port); |
0a740f48 EJ |
1601 | return 0; |
1602 | } | |
1603 | ||
acf60855 | 1604 | error = dpif_port_query_by_name(ofproto->backer->dpif, |
3aa30359 BP |
1605 | netdev_vport_get_dpif_port(netdev, namebuf, |
1606 | sizeof namebuf), | |
e1b1d06a JP |
1607 | &dpif_port); |
1608 | if (error) { | |
1609 | return error; | |
1610 | } | |
1611 | ||
1612 | port->odp_port = dpif_port.port_no; | |
1613 | ||
b9ad7294 | 1614 | if (netdev_get_tunnel_config(netdev)) { |
42943cde EJ |
1615 | tnl_port_add(port, port->up.netdev, port->odp_port); |
1616 | port->is_tunnel = true; | |
b9ad7294 EJ |
1617 | } else { |
1618 | /* Sanity-check that a mapping doesn't already exist. This | |
1619 | * shouldn't happen for non-tunnel ports. */ | |
1620 | if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) { | |
1621 | VLOG_ERR("port %s already has an OpenFlow port number", | |
1622 | dpif_port.name); | |
da78d43d | 1623 | dpif_port_destroy(&dpif_port); |
b9ad7294 EJ |
1624 | return EBUSY; |
1625 | } | |
e1b1d06a | 1626 | |
8449c4d6 | 1627 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1628 | hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node, |
f9c0c3ec | 1629 | hash_odp_port(port->odp_port)); |
8449c4d6 | 1630 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
b9ad7294 | 1631 | } |
da78d43d | 1632 | dpif_port_destroy(&dpif_port); |
e1b1d06a | 1633 | |
abe529af | 1634 | if (ofproto->sflow) { |
e1b1d06a | 1635 | dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port); |
abe529af BP |
1636 | } |
1637 | ||
1638 | return 0; | |
1639 | } | |
1640 | ||
1641 | static void | |
1642 | port_destruct(struct ofport *port_) | |
1643 | { | |
1644 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1645 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
02f8d646 | 1646 | const char *devname = netdev_get_name(port->up.netdev); |
3aa30359 BP |
1647 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
1648 | const char *dp_port_name; | |
abe529af | 1649 | |
7894e7da | 1650 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
dc24a00f | 1651 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 1652 | xlate_ofport_remove(port); |
dc24a00f | 1653 | ovs_rwlock_unlock(&xlate_rwlock); |
7894e7da | 1654 | |
3aa30359 BP |
1655 | dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf, |
1656 | sizeof namebuf); | |
a614d823 | 1657 | if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
acf60855 JP |
1658 | /* The underlying device is still there, so delete it. This |
1659 | * happens when the ofproto is being destroyed, since the caller | |
1660 | * assumes that removal of attached ports will happen as part of | |
1661 | * destruction. */ | |
42943cde | 1662 | if (!port->is_tunnel) { |
a614d823 KM |
1663 | dpif_port_del(ofproto->backer->dpif, port->odp_port); |
1664 | } | |
acf60855 JP |
1665 | } |
1666 | ||
6cbbf4fa EJ |
1667 | if (port->peer) { |
1668 | port->peer->peer = NULL; | |
1669 | port->peer = NULL; | |
1670 | } | |
1671 | ||
42943cde | 1672 | if (port->odp_port != ODPP_NONE && !port->is_tunnel) { |
8449c4d6 | 1673 | ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 | 1674 | hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node); |
8449c4d6 | 1675 | ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock); |
0a740f48 EJ |
1676 | } |
1677 | ||
42943cde | 1678 | tnl_port_del(port); |
02f8d646 | 1679 | sset_find_and_delete(&ofproto->ports, devname); |
0a740f48 | 1680 | sset_find_and_delete(&ofproto->ghost_ports, devname); |
abe529af | 1681 | bundle_remove(port_); |
a5610457 | 1682 | set_cfm(port_, NULL); |
8aee94b6 | 1683 | set_bfd(port_, NULL); |
0c0c32d8 BP |
1684 | if (port->stp_port) { |
1685 | stp_port_disable(port->stp_port); | |
1686 | } | |
abe529af | 1687 | if (ofproto->sflow) { |
bae473fe | 1688 | dpif_sflow_del_port(ofproto->sflow, port->odp_port); |
abe529af | 1689 | } |
8b36f51e | 1690 | |
55954f6e | 1691 | free(port->qdscp); |
abe529af BP |
1692 | } |
1693 | ||
1694 | static void | |
1695 | port_modified(struct ofport *port_) | |
1696 | { | |
1697 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1698 | ||
1699 | if (port->bundle && port->bundle->bond) { | |
1700 | bond_slave_set_netdev(port->bundle->bond, port, port->up.netdev); | |
1701 | } | |
9d46b444 EJ |
1702 | |
1703 | if (port->cfm) { | |
1704 | cfm_set_netdev(port->cfm, port->up.netdev); | |
1705 | } | |
f1e78bbd | 1706 | |
c1c4e8c7 AW |
1707 | if (port->bfd) { |
1708 | bfd_set_netdev(port->bfd, port->up.netdev); | |
1709 | } | |
1710 | ||
635c5db9 AW |
1711 | ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm, |
1712 | port->up.pp.hw_addr); | |
1713 | ||
42943cde EJ |
1714 | if (port->is_tunnel && tnl_port_reconfigure(port, port->up.netdev, |
1715 | port->odp_port)) { | |
7894e7da EJ |
1716 | ofproto_dpif_cast(port->up.ofproto)->backer->need_revalidate = |
1717 | REV_RECONFIGURE; | |
f1e78bbd | 1718 | } |
6cbbf4fa EJ |
1719 | |
1720 | ofport_update_peer(port); | |
abe529af BP |
1721 | } |
1722 | ||
1723 | static void | |
9e1fd49b | 1724 | port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config) |
abe529af BP |
1725 | { |
1726 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
1727 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
9e1fd49b | 1728 | enum ofputil_port_config changed = old_config ^ port->up.pp.config; |
abe529af | 1729 | |
9e1fd49b | 1730 | if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP | |
c57b2226 BP |
1731 | OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD | |
1732 | OFPUTIL_PC_NO_PACKET_IN)) { | |
2cc3c58e | 1733 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7bde8dd8 | 1734 | |
9e1fd49b | 1735 | if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) { |
7bde8dd8 JP |
1736 | bundle_update(port->bundle); |
1737 | } | |
abe529af BP |
1738 | } |
1739 | } | |
1740 | ||
1741 | static int | |
1742 | set_sflow(struct ofproto *ofproto_, | |
1743 | const struct ofproto_sflow_options *sflow_options) | |
1744 | { | |
1745 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
bae473fe | 1746 | struct dpif_sflow *ds = ofproto->sflow; |
6ff686f2 | 1747 | |
abe529af | 1748 | if (sflow_options) { |
bae473fe | 1749 | if (!ds) { |
abe529af BP |
1750 | struct ofport_dpif *ofport; |
1751 | ||
4213f19d | 1752 | ds = ofproto->sflow = dpif_sflow_create(); |
abe529af | 1753 | HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { |
e1b1d06a | 1754 | dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port); |
abe529af | 1755 | } |
2cc3c58e | 1756 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 1757 | } |
bae473fe | 1758 | dpif_sflow_set_options(ds, sflow_options); |
abe529af | 1759 | } else { |
6ff686f2 | 1760 | if (ds) { |
9723bcce | 1761 | dpif_sflow_unref(ds); |
2cc3c58e | 1762 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6ff686f2 PS |
1763 | ofproto->sflow = NULL; |
1764 | } | |
abe529af BP |
1765 | } |
1766 | return 0; | |
1767 | } | |
1768 | ||
29089a54 RL |
1769 | static int |
1770 | set_ipfix( | |
1771 | struct ofproto *ofproto_, | |
1772 | const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options, | |
1773 | const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options, | |
1774 | size_t n_flow_exporters_options) | |
1775 | { | |
1776 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1777 | struct dpif_ipfix *di = ofproto->ipfix; | |
978427a5 | 1778 | bool has_options = bridge_exporter_options || flow_exporters_options; |
29089a54 | 1779 | |
978427a5 RL |
1780 | if (has_options && !di) { |
1781 | di = ofproto->ipfix = dpif_ipfix_create(); | |
1782 | } | |
1783 | ||
1784 | if (di) { | |
1785 | /* Call set_options in any case to cleanly flush the flow | |
1786 | * caches in the last exporters that are to be destroyed. */ | |
29089a54 RL |
1787 | dpif_ipfix_set_options( |
1788 | di, bridge_exporter_options, flow_exporters_options, | |
1789 | n_flow_exporters_options); | |
978427a5 RL |
1790 | |
1791 | if (!has_options) { | |
d857c8aa | 1792 | dpif_ipfix_unref(di); |
29089a54 RL |
1793 | ofproto->ipfix = NULL; |
1794 | } | |
1795 | } | |
978427a5 | 1796 | |
29089a54 RL |
1797 | return 0; |
1798 | } | |
1799 | ||
abe529af | 1800 | static int |
a5610457 | 1801 | set_cfm(struct ofport *ofport_, const struct cfm_settings *s) |
abe529af BP |
1802 | { |
1803 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
635c5db9 | 1804 | int error = 0; |
abe529af | 1805 | |
635c5db9 | 1806 | if (s) { |
abe529af | 1807 | if (!ofport->cfm) { |
8c977421 EJ |
1808 | struct ofproto_dpif *ofproto; |
1809 | ||
1810 | ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2cc3c58e | 1811 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
90967e95 | 1812 | ofport->cfm = cfm_create(ofport->up.netdev); |
abe529af BP |
1813 | } |
1814 | ||
a5610457 | 1815 | if (cfm_configure(ofport->cfm, s)) { |
635c5db9 AW |
1816 | error = 0; |
1817 | goto out; | |
abe529af BP |
1818 | } |
1819 | ||
1820 | error = EINVAL; | |
1821 | } | |
8e9a73fa | 1822 | cfm_unref(ofport->cfm); |
abe529af | 1823 | ofport->cfm = NULL; |
635c5db9 AW |
1824 | out: |
1825 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, | |
1826 | ofport->up.pp.hw_addr); | |
abe529af BP |
1827 | return error; |
1828 | } | |
1829 | ||
88bf179a | 1830 | static int |
9a9e3786 BP |
1831 | get_cfm_status(const struct ofport *ofport_, |
1832 | struct ofproto_cfm_status *status) | |
1de11730 EJ |
1833 | { |
1834 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
88bf179a | 1835 | int ret = 0; |
1de11730 EJ |
1836 | |
1837 | if (ofport->cfm) { | |
88bf179a AW |
1838 | if (cfm_check_status_change(ofport->cfm)) { |
1839 | status->faults = cfm_get_fault(ofport->cfm); | |
1840 | status->flap_count = cfm_get_flap_count(ofport->cfm); | |
1841 | status->remote_opstate = cfm_get_opup(ofport->cfm); | |
1842 | status->health = cfm_get_health(ofport->cfm); | |
1843 | cfm_get_remote_mpids(ofport->cfm, &status->rmps, &status->n_rmps); | |
1844 | } else { | |
1845 | ret = NO_STATUS_CHANGE; | |
1846 | } | |
1de11730 | 1847 | } else { |
88bf179a | 1848 | ret = ENOENT; |
1de11730 | 1849 | } |
88bf179a AW |
1850 | |
1851 | return ret; | |
1de11730 | 1852 | } |
ccc09689 EJ |
1853 | |
1854 | static int | |
1855 | set_bfd(struct ofport *ofport_, const struct smap *cfg) | |
1856 | { | |
1857 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
1858 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
1859 | struct bfd *old; | |
1860 | ||
1861 | old = ofport->bfd; | |
c1c4e8c7 AW |
1862 | ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev), |
1863 | cfg, ofport->up.netdev); | |
ccc09689 EJ |
1864 | if (ofport->bfd != old) { |
1865 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
1866 | } | |
635c5db9 AW |
1867 | ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm, |
1868 | ofport->up.pp.hw_addr); | |
ccc09689 EJ |
1869 | return 0; |
1870 | } | |
1871 | ||
1872 | static int | |
1873 | get_bfd_status(struct ofport *ofport_, struct smap *smap) | |
1874 | { | |
1875 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
88bf179a | 1876 | int ret = 0; |
ccc09689 EJ |
1877 | |
1878 | if (ofport->bfd) { | |
88bf179a AW |
1879 | if (bfd_check_status_change(ofport->bfd)) { |
1880 | bfd_get_status(ofport->bfd, smap); | |
1881 | } else { | |
1882 | ret = NO_STATUS_CHANGE; | |
1883 | } | |
ccc09689 | 1884 | } else { |
88bf179a | 1885 | ret = ENOENT; |
ccc09689 | 1886 | } |
88bf179a AW |
1887 | |
1888 | return ret; | |
ccc09689 | 1889 | } |
abe529af | 1890 | \f |
21f7563c JP |
1891 | /* Spanning Tree. */ |
1892 | ||
1893 | static void | |
1894 | send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_) | |
1895 | { | |
1896 | struct ofproto_dpif *ofproto = ofproto_; | |
1897 | struct stp_port *sp = stp_get_port(ofproto->stp, port_num); | |
1898 | struct ofport_dpif *ofport; | |
1899 | ||
1900 | ofport = stp_port_get_aux(sp); | |
1901 | if (!ofport) { | |
1902 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d", | |
1903 | ofproto->up.name, port_num); | |
1904 | } else { | |
cf3b7538 | 1905 | struct eth_header *eth = ofpbuf_l2(pkt); |
21f7563c JP |
1906 | |
1907 | netdev_get_etheraddr(ofport->up.netdev, eth->eth_src); | |
1908 | if (eth_addr_is_zero(eth->eth_src)) { | |
1909 | VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d " | |
1910 | "with unknown MAC", ofproto->up.name, port_num); | |
1911 | } else { | |
91d6cd12 | 1912 | ofproto_dpif_send_packet(ofport, pkt); |
21f7563c JP |
1913 | } |
1914 | } | |
1915 | ofpbuf_delete(pkt); | |
1916 | } | |
1917 | ||
1918 | /* Configures STP on 'ofproto_' using the settings defined in 's'. */ | |
1919 | static int | |
1920 | set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s) | |
1921 | { | |
1922 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1923 | ||
1924 | /* Only revalidate flows if the configuration changed. */ | |
1925 | if (!s != !ofproto->stp) { | |
2cc3c58e | 1926 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
21f7563c JP |
1927 | } |
1928 | ||
1929 | if (s) { | |
1930 | if (!ofproto->stp) { | |
1931 | ofproto->stp = stp_create(ofproto_->name, s->system_id, | |
1932 | send_bpdu_cb, ofproto); | |
1933 | ofproto->stp_last_tick = time_msec(); | |
1934 | } | |
1935 | ||
1936 | stp_set_bridge_id(ofproto->stp, s->system_id); | |
1937 | stp_set_bridge_priority(ofproto->stp, s->priority); | |
1938 | stp_set_hello_time(ofproto->stp, s->hello_time); | |
1939 | stp_set_max_age(ofproto->stp, s->max_age); | |
1940 | stp_set_forward_delay(ofproto->stp, s->fwd_delay); | |
1941 | } else { | |
851bf71d EJ |
1942 | struct ofport *ofport; |
1943 | ||
1944 | HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) { | |
1945 | set_stp_port(ofport, NULL); | |
1946 | } | |
1947 | ||
bd54dbcd | 1948 | stp_unref(ofproto->stp); |
21f7563c JP |
1949 | ofproto->stp = NULL; |
1950 | } | |
1951 | ||
1952 | return 0; | |
1953 | } | |
1954 | ||
1955 | static int | |
1956 | get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s) | |
1957 | { | |
1958 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
1959 | ||
1960 | if (ofproto->stp) { | |
1961 | s->enabled = true; | |
1962 | s->bridge_id = stp_get_bridge_id(ofproto->stp); | |
1963 | s->designated_root = stp_get_designated_root(ofproto->stp); | |
1964 | s->root_path_cost = stp_get_root_path_cost(ofproto->stp); | |
1965 | } else { | |
1966 | s->enabled = false; | |
1967 | } | |
1968 | ||
1969 | return 0; | |
1970 | } | |
1971 | ||
1972 | static void | |
1973 | update_stp_port_state(struct ofport_dpif *ofport) | |
1974 | { | |
1975 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
1976 | enum stp_state state; | |
1977 | ||
1978 | /* Figure out new state. */ | |
1979 | state = ofport->stp_port ? stp_port_get_state(ofport->stp_port) | |
1980 | : STP_DISABLED; | |
1981 | ||
1982 | /* Update state. */ | |
1983 | if (ofport->stp_state != state) { | |
9e1fd49b | 1984 | enum ofputil_port_state of_state; |
21f7563c JP |
1985 | bool fwd_change; |
1986 | ||
1987 | VLOG_DBG_RL(&rl, "port %s: STP state changed from %s to %s", | |
1988 | netdev_get_name(ofport->up.netdev), | |
1989 | stp_state_name(ofport->stp_state), | |
1990 | stp_state_name(state)); | |
1991 | if (stp_learn_in_state(ofport->stp_state) | |
1992 | != stp_learn_in_state(state)) { | |
1993 | /* xxx Learning action flows should also be flushed. */ | |
509c0149 | 1994 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 1995 | mac_learning_flush(ofproto->ml); |
509c0149 | 1996 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
21f7563c JP |
1997 | } |
1998 | fwd_change = stp_forward_in_state(ofport->stp_state) | |
1999 | != stp_forward_in_state(state); | |
2000 | ||
2cc3c58e | 2001 | ofproto->backer->need_revalidate = REV_STP; |
21f7563c JP |
2002 | ofport->stp_state = state; |
2003 | ofport->stp_state_entered = time_msec(); | |
2004 | ||
b308140a | 2005 | if (fwd_change && ofport->bundle) { |
21f7563c JP |
2006 | bundle_update(ofport->bundle); |
2007 | } | |
2008 | ||
2009 | /* Update the STP state bits in the OpenFlow port description. */ | |
9e1fd49b BP |
2010 | of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK; |
2011 | of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN | |
2012 | : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN | |
2013 | : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD | |
2014 | : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK | |
2015 | : 0); | |
21f7563c JP |
2016 | ofproto_port_set_state(&ofport->up, of_state); |
2017 | } | |
2018 | } | |
2019 | ||
2020 | /* Configures STP on 'ofport_' using the settings defined in 's'. The | |
2021 | * caller is responsible for assigning STP port numbers and ensuring | |
2022 | * there are no duplicates. */ | |
2023 | static int | |
2024 | set_stp_port(struct ofport *ofport_, | |
2025 | const struct ofproto_port_stp_settings *s) | |
2026 | { | |
2027 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2028 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2029 | struct stp_port *sp = ofport->stp_port; | |
2030 | ||
2031 | if (!s || !s->enable) { | |
2032 | if (sp) { | |
2033 | ofport->stp_port = NULL; | |
2034 | stp_port_disable(sp); | |
ecd12731 | 2035 | update_stp_port_state(ofport); |
21f7563c JP |
2036 | } |
2037 | return 0; | |
2038 | } else if (sp && stp_port_no(sp) != s->port_num | |
2039 | && ofport == stp_port_get_aux(sp)) { | |
2040 | /* The port-id changed, so disable the old one if it's not | |
2041 | * already in use by another port. */ | |
2042 | stp_port_disable(sp); | |
2043 | } | |
2044 | ||
2045 | sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num); | |
2046 | stp_port_enable(sp); | |
2047 | ||
2048 | stp_port_set_aux(sp, ofport); | |
2049 | stp_port_set_priority(sp, s->priority); | |
2050 | stp_port_set_path_cost(sp, s->path_cost); | |
2051 | ||
2052 | update_stp_port_state(ofport); | |
2053 | ||
2054 | return 0; | |
2055 | } | |
2056 | ||
2057 | static int | |
2058 | get_stp_port_status(struct ofport *ofport_, | |
2059 | struct ofproto_port_stp_status *s) | |
2060 | { | |
2061 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2062 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2063 | struct stp_port *sp = ofport->stp_port; | |
2064 | ||
2065 | if (!ofproto->stp || !sp) { | |
2066 | s->enabled = false; | |
2067 | return 0; | |
2068 | } | |
2069 | ||
2070 | s->enabled = true; | |
2071 | s->port_id = stp_port_get_id(sp); | |
2072 | s->state = stp_port_get_state(sp); | |
2073 | s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000; | |
2074 | s->role = stp_port_get_role(sp); | |
fd28ce3a JS |
2075 | |
2076 | return 0; | |
2077 | } | |
2078 | ||
2079 | static int | |
2080 | get_stp_port_stats(struct ofport *ofport_, | |
2081 | struct ofproto_port_stp_stats *s) | |
2082 | { | |
2083 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2084 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
2085 | struct stp_port *sp = ofport->stp_port; | |
2086 | ||
2087 | if (!ofproto->stp || !sp) { | |
2088 | s->enabled = false; | |
2089 | return 0; | |
2090 | } | |
2091 | ||
2092 | s->enabled = true; | |
80740385 | 2093 | stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count); |
21f7563c JP |
2094 | |
2095 | return 0; | |
2096 | } | |
2097 | ||
2098 | static void | |
2099 | stp_run(struct ofproto_dpif *ofproto) | |
2100 | { | |
2101 | if (ofproto->stp) { | |
2102 | long long int now = time_msec(); | |
2103 | long long int elapsed = now - ofproto->stp_last_tick; | |
2104 | struct stp_port *sp; | |
2105 | ||
2106 | if (elapsed > 0) { | |
2107 | stp_tick(ofproto->stp, MIN(INT_MAX, elapsed)); | |
2108 | ofproto->stp_last_tick = now; | |
2109 | } | |
2110 | while (stp_get_changed_port(ofproto->stp, &sp)) { | |
2111 | struct ofport_dpif *ofport = stp_port_get_aux(sp); | |
2112 | ||
2113 | if (ofport) { | |
2114 | update_stp_port_state(ofport); | |
2115 | } | |
2116 | } | |
6ae50723 EJ |
2117 | |
2118 | if (stp_check_and_reset_fdb_flush(ofproto->stp)) { | |
509c0149 | 2119 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 2120 | mac_learning_flush(ofproto->ml); |
509c0149 | 2121 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
6ae50723 | 2122 | } |
21f7563c JP |
2123 | } |
2124 | } | |
2125 | ||
2126 | static void | |
2127 | stp_wait(struct ofproto_dpif *ofproto) | |
2128 | { | |
2129 | if (ofproto->stp) { | |
2130 | poll_timer_wait(1000); | |
2131 | } | |
2132 | } | |
21f7563c | 2133 | \f |
8b36f51e | 2134 | static int |
55954f6e | 2135 | set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp, |
8b36f51e EJ |
2136 | size_t n_qdscp) |
2137 | { | |
2138 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2139 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
8b36f51e | 2140 | |
55954f6e EJ |
2141 | if (ofport->n_qdscp != n_qdscp |
2142 | || (n_qdscp && memcmp(ofport->qdscp, qdscp, | |
2143 | n_qdscp * sizeof *qdscp))) { | |
2cc3c58e | 2144 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
55954f6e EJ |
2145 | free(ofport->qdscp); |
2146 | ofport->qdscp = n_qdscp | |
2147 | ? xmemdup(qdscp, n_qdscp * sizeof *qdscp) | |
2148 | : NULL; | |
2149 | ofport->n_qdscp = n_qdscp; | |
8b36f51e EJ |
2150 | } |
2151 | ||
8b36f51e EJ |
2152 | return 0; |
2153 | } | |
2154 | \f | |
abe529af BP |
2155 | /* Bundles. */ |
2156 | ||
b44a10b7 BP |
2157 | /* Expires all MAC learning entries associated with 'bundle' and forces its |
2158 | * ofproto to revalidate every flow. | |
2159 | * | |
2160 | * Normally MAC learning entries are removed only from the ofproto associated | |
2161 | * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries | |
2162 | * are removed from every ofproto. When patch ports and SLB bonds are in use | |
2163 | * and a VM migration happens and the gratuitous ARPs are somehow lost, this | |
2164 | * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate | |
2165 | * with the host from which it migrated. */ | |
abe529af | 2166 | static void |
b44a10b7 | 2167 | bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos) |
abe529af BP |
2168 | { |
2169 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
2170 | struct mac_learning *ml = ofproto->ml; | |
2171 | struct mac_entry *mac, *next_mac; | |
2172 | ||
2cc3c58e | 2173 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
509c0149 | 2174 | ovs_rwlock_wrlock(&ml->rwlock); |
abe529af BP |
2175 | LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) { |
2176 | if (mac->port.p == bundle) { | |
b44a10b7 BP |
2177 | if (all_ofprotos) { |
2178 | struct ofproto_dpif *o; | |
2179 | ||
2180 | HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
2181 | if (o != ofproto) { | |
2182 | struct mac_entry *e; | |
2183 | ||
509c0149 | 2184 | ovs_rwlock_wrlock(&o->ml->rwlock); |
30618594 | 2185 | e = mac_learning_lookup(o->ml, mac->mac, mac->vlan); |
b44a10b7 | 2186 | if (e) { |
b44a10b7 BP |
2187 | mac_learning_expire(o->ml, e); |
2188 | } | |
509c0149 | 2189 | ovs_rwlock_unlock(&o->ml->rwlock); |
b44a10b7 BP |
2190 | } |
2191 | } | |
2192 | } | |
2193 | ||
abe529af BP |
2194 | mac_learning_expire(ml, mac); |
2195 | } | |
2196 | } | |
509c0149 | 2197 | ovs_rwlock_unlock(&ml->rwlock); |
abe529af BP |
2198 | } |
2199 | ||
2200 | static struct ofbundle * | |
2201 | bundle_lookup(const struct ofproto_dpif *ofproto, void *aux) | |
2202 | { | |
2203 | struct ofbundle *bundle; | |
2204 | ||
2205 | HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0), | |
2206 | &ofproto->bundles) { | |
2207 | if (bundle->aux == aux) { | |
2208 | return bundle; | |
2209 | } | |
2210 | } | |
2211 | return NULL; | |
2212 | } | |
2213 | ||
7bde8dd8 JP |
2214 | static void |
2215 | bundle_update(struct ofbundle *bundle) | |
2216 | { | |
2217 | struct ofport_dpif *port; | |
2218 | ||
2219 | bundle->floodable = true; | |
2220 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
9e1fd49b | 2221 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2222 | || port->is_layer3 |
9e1fd49b | 2223 | || !stp_forward_in_state(port->stp_state)) { |
7bde8dd8 JP |
2224 | bundle->floodable = false; |
2225 | break; | |
2226 | } | |
2227 | } | |
2228 | } | |
2229 | ||
abe529af BP |
2230 | static void |
2231 | bundle_del_port(struct ofport_dpif *port) | |
2232 | { | |
2233 | struct ofbundle *bundle = port->bundle; | |
2234 | ||
2cc3c58e | 2235 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6f77f4ae | 2236 | |
abe529af BP |
2237 | list_remove(&port->bundle_node); |
2238 | port->bundle = NULL; | |
2239 | ||
2240 | if (bundle->lacp) { | |
2241 | lacp_slave_unregister(bundle->lacp, port); | |
2242 | } | |
2243 | if (bundle->bond) { | |
2244 | bond_slave_unregister(bundle->bond, port); | |
2245 | } | |
2246 | ||
7bde8dd8 | 2247 | bundle_update(bundle); |
abe529af BP |
2248 | } |
2249 | ||
2250 | static bool | |
4e022ec0 | 2251 | bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port, |
df53d41c | 2252 | struct lacp_slave_settings *lacp) |
abe529af BP |
2253 | { |
2254 | struct ofport_dpif *port; | |
2255 | ||
2256 | port = get_ofp_port(bundle->ofproto, ofp_port); | |
2257 | if (!port) { | |
2258 | return false; | |
2259 | } | |
2260 | ||
2261 | if (port->bundle != bundle) { | |
2cc3c58e | 2262 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af | 2263 | if (port->bundle) { |
e019a574 | 2264 | bundle_remove(&port->up); |
abe529af BP |
2265 | } |
2266 | ||
2267 | port->bundle = bundle; | |
2268 | list_push_back(&bundle->ports, &port->bundle_node); | |
9e1fd49b | 2269 | if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD |
a6363cfd | 2270 | || port->is_layer3 |
9e1fd49b | 2271 | || !stp_forward_in_state(port->stp_state)) { |
abe529af BP |
2272 | bundle->floodable = false; |
2273 | } | |
2274 | } | |
2275 | if (lacp) { | |
2cc3c58e | 2276 | bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2277 | lacp_slave_register(bundle->lacp, port, lacp); |
2278 | } | |
2279 | ||
2280 | return true; | |
2281 | } | |
2282 | ||
2283 | static void | |
2284 | bundle_destroy(struct ofbundle *bundle) | |
2285 | { | |
2286 | struct ofproto_dpif *ofproto; | |
2287 | struct ofport_dpif *port, *next_port; | |
abe529af BP |
2288 | |
2289 | if (!bundle) { | |
2290 | return; | |
2291 | } | |
2292 | ||
2293 | ofproto = bundle->ofproto; | |
ec7ceaed | 2294 | mbridge_unregister_bundle(ofproto->mbridge, bundle->aux); |
abe529af | 2295 | |
dc24a00f | 2296 | ovs_rwlock_wrlock(&xlate_rwlock); |
46c88433 | 2297 | xlate_bundle_remove(bundle); |
dc24a00f | 2298 | ovs_rwlock_unlock(&xlate_rwlock); |
46c88433 | 2299 | |
abe529af BP |
2300 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { |
2301 | bundle_del_port(port); | |
2302 | } | |
2303 | ||
b44a10b7 | 2304 | bundle_flush_macs(bundle, true); |
abe529af BP |
2305 | hmap_remove(&ofproto->bundles, &bundle->hmap_node); |
2306 | free(bundle->name); | |
2307 | free(bundle->trunks); | |
91779071 | 2308 | lacp_unref(bundle->lacp); |
03366a2d | 2309 | bond_unref(bundle->bond); |
abe529af BP |
2310 | free(bundle); |
2311 | } | |
2312 | ||
2313 | static int | |
2314 | bundle_set(struct ofproto *ofproto_, void *aux, | |
2315 | const struct ofproto_bundle_settings *s) | |
2316 | { | |
2317 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2318 | bool need_flush = false; | |
abe529af BP |
2319 | struct ofport_dpif *port; |
2320 | struct ofbundle *bundle; | |
ecac4ebf BP |
2321 | unsigned long *trunks; |
2322 | int vlan; | |
abe529af BP |
2323 | size_t i; |
2324 | bool ok; | |
2325 | ||
2326 | if (!s) { | |
2327 | bundle_destroy(bundle_lookup(ofproto, aux)); | |
2328 | return 0; | |
2329 | } | |
2330 | ||
cb22974d BP |
2331 | ovs_assert(s->n_slaves == 1 || s->bond != NULL); |
2332 | ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL)); | |
abe529af BP |
2333 | |
2334 | bundle = bundle_lookup(ofproto, aux); | |
2335 | if (!bundle) { | |
2336 | bundle = xmalloc(sizeof *bundle); | |
2337 | ||
2338 | bundle->ofproto = ofproto; | |
2339 | hmap_insert(&ofproto->bundles, &bundle->hmap_node, | |
2340 | hash_pointer(aux, 0)); | |
2341 | bundle->aux = aux; | |
2342 | bundle->name = NULL; | |
2343 | ||
2344 | list_init(&bundle->ports); | |
ecac4ebf | 2345 | bundle->vlan_mode = PORT_VLAN_TRUNK; |
abe529af BP |
2346 | bundle->vlan = -1; |
2347 | bundle->trunks = NULL; | |
5e9ceccd | 2348 | bundle->use_priority_tags = s->use_priority_tags; |
abe529af BP |
2349 | bundle->lacp = NULL; |
2350 | bundle->bond = NULL; | |
2351 | ||
2352 | bundle->floodable = true; | |
ec7ceaed | 2353 | mbridge_register_bundle(ofproto->mbridge, bundle); |
abe529af BP |
2354 | } |
2355 | ||
2356 | if (!bundle->name || strcmp(s->name, bundle->name)) { | |
2357 | free(bundle->name); | |
2358 | bundle->name = xstrdup(s->name); | |
2359 | } | |
2360 | ||
2361 | /* LACP. */ | |
2362 | if (s->lacp) { | |
e2d13c43 | 2363 | ofproto->lacp_enabled = true; |
abe529af | 2364 | if (!bundle->lacp) { |
2cc3c58e | 2365 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2366 | bundle->lacp = lacp_create(); |
2367 | } | |
2368 | lacp_configure(bundle->lacp, s->lacp); | |
2369 | } else { | |
91779071 | 2370 | lacp_unref(bundle->lacp); |
abe529af BP |
2371 | bundle->lacp = NULL; |
2372 | } | |
2373 | ||
2374 | /* Update set of ports. */ | |
2375 | ok = true; | |
2376 | for (i = 0; i < s->n_slaves; i++) { | |
2377 | if (!bundle_add_port(bundle, s->slaves[i], | |
df53d41c | 2378 | s->lacp ? &s->lacp_slaves[i] : NULL)) { |
abe529af BP |
2379 | ok = false; |
2380 | } | |
2381 | } | |
2382 | if (!ok || list_size(&bundle->ports) != s->n_slaves) { | |
2383 | struct ofport_dpif *next_port; | |
2384 | ||
2385 | LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) { | |
2386 | for (i = 0; i < s->n_slaves; i++) { | |
56c769ab | 2387 | if (s->slaves[i] == port->up.ofp_port) { |
abe529af BP |
2388 | goto found; |
2389 | } | |
2390 | } | |
2391 | ||
2392 | bundle_del_port(port); | |
2393 | found: ; | |
2394 | } | |
2395 | } | |
cb22974d | 2396 | ovs_assert(list_size(&bundle->ports) <= s->n_slaves); |
abe529af BP |
2397 | |
2398 | if (list_is_empty(&bundle->ports)) { | |
2399 | bundle_destroy(bundle); | |
2400 | return EINVAL; | |
2401 | } | |
2402 | ||
ecac4ebf | 2403 | /* Set VLAN tagging mode */ |
5e9ceccd BP |
2404 | if (s->vlan_mode != bundle->vlan_mode |
2405 | || s->use_priority_tags != bundle->use_priority_tags) { | |
ecac4ebf | 2406 | bundle->vlan_mode = s->vlan_mode; |
5e9ceccd | 2407 | bundle->use_priority_tags = s->use_priority_tags; |
ecac4ebf BP |
2408 | need_flush = true; |
2409 | } | |
2410 | ||
abe529af | 2411 | /* Set VLAN tag. */ |
ecac4ebf BP |
2412 | vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1 |
2413 | : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan | |
2414 | : 0); | |
2415 | if (vlan != bundle->vlan) { | |
2416 | bundle->vlan = vlan; | |
abe529af BP |
2417 | need_flush = true; |
2418 | } | |
2419 | ||
2420 | /* Get trunked VLANs. */ | |
ecac4ebf BP |
2421 | switch (s->vlan_mode) { |
2422 | case PORT_VLAN_ACCESS: | |
2423 | trunks = NULL; | |
2424 | break; | |
2425 | ||
2426 | case PORT_VLAN_TRUNK: | |
ebc56baa | 2427 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2428 | break; |
2429 | ||
2430 | case PORT_VLAN_NATIVE_UNTAGGED: | |
2431 | case PORT_VLAN_NATIVE_TAGGED: | |
2432 | if (vlan != 0 && (!s->trunks | |
2433 | || !bitmap_is_set(s->trunks, vlan) | |
2434 | || bitmap_is_set(s->trunks, 0))) { | |
2435 | /* Force trunking the native VLAN and prohibit trunking VLAN 0. */ | |
2436 | if (s->trunks) { | |
2437 | trunks = bitmap_clone(s->trunks, 4096); | |
2438 | } else { | |
2439 | trunks = bitmap_allocate1(4096); | |
2440 | } | |
2441 | bitmap_set1(trunks, vlan); | |
2442 | bitmap_set0(trunks, 0); | |
2443 | } else { | |
ebc56baa | 2444 | trunks = CONST_CAST(unsigned long *, s->trunks); |
ecac4ebf BP |
2445 | } |
2446 | break; | |
2447 | ||
2448 | default: | |
428b2edd | 2449 | OVS_NOT_REACHED(); |
ecac4ebf | 2450 | } |
abe529af BP |
2451 | if (!vlan_bitmap_equal(trunks, bundle->trunks)) { |
2452 | free(bundle->trunks); | |
ecac4ebf BP |
2453 | if (trunks == s->trunks) { |
2454 | bundle->trunks = vlan_bitmap_clone(trunks); | |
2455 | } else { | |
2456 | bundle->trunks = trunks; | |
2457 | trunks = NULL; | |
2458 | } | |
abe529af BP |
2459 | need_flush = true; |
2460 | } | |
ecac4ebf BP |
2461 | if (trunks != s->trunks) { |
2462 | free(trunks); | |
2463 | } | |
abe529af BP |
2464 | |
2465 | /* Bonding. */ | |
2466 | if (!list_is_short(&bundle->ports)) { | |
2467 | bundle->ofproto->has_bonded_bundles = true; | |
2468 | if (bundle->bond) { | |
2469 | if (bond_reconfigure(bundle->bond, s->bond)) { | |
2cc3c58e | 2470 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2471 | } |
2472 | } else { | |
adcf00ba | 2473 | bundle->bond = bond_create(s->bond, ofproto); |
2cc3c58e | 2474 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
abe529af BP |
2475 | } |
2476 | ||
2477 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
adcf00ba AZ |
2478 | bond_slave_register(bundle->bond, port, |
2479 | port->up.ofp_port, port->up.netdev); | |
abe529af BP |
2480 | } |
2481 | } else { | |
03366a2d | 2482 | bond_unref(bundle->bond); |
abe529af BP |
2483 | bundle->bond = NULL; |
2484 | } | |
2485 | ||
2486 | /* If we changed something that would affect MAC learning, un-learn | |
2487 | * everything on this port and force flow revalidation. */ | |
2488 | if (need_flush) { | |
b44a10b7 | 2489 | bundle_flush_macs(bundle, false); |
abe529af BP |
2490 | } |
2491 | ||
2492 | return 0; | |
2493 | } | |
2494 | ||
2495 | static void | |
2496 | bundle_remove(struct ofport *port_) | |
2497 | { | |
2498 | struct ofport_dpif *port = ofport_dpif_cast(port_); | |
2499 | struct ofbundle *bundle = port->bundle; | |
2500 | ||
2501 | if (bundle) { | |
2502 | bundle_del_port(port); | |
2503 | if (list_is_empty(&bundle->ports)) { | |
2504 | bundle_destroy(bundle); | |
2505 | } else if (list_is_short(&bundle->ports)) { | |
03366a2d | 2506 | bond_unref(bundle->bond); |
abe529af BP |
2507 | bundle->bond = NULL; |
2508 | } | |
2509 | } | |
2510 | } | |
2511 | ||
2512 | static void | |
5f877369 | 2513 | send_pdu_cb(void *port_, const void *pdu, size_t pdu_size) |
abe529af BP |
2514 | { |
2515 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10); | |
2516 | struct ofport_dpif *port = port_; | |
2517 | uint8_t ea[ETH_ADDR_LEN]; | |
2518 | int error; | |
2519 | ||
2520 | error = netdev_get_etheraddr(port->up.netdev, ea); | |
2521 | if (!error) { | |
abe529af | 2522 | struct ofpbuf packet; |
5f877369 | 2523 | void *packet_pdu; |
abe529af BP |
2524 | |
2525 | ofpbuf_init(&packet, 0); | |
2526 | packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP, | |
5f877369 EJ |
2527 | pdu_size); |
2528 | memcpy(packet_pdu, pdu, pdu_size); | |
2529 | ||
91d6cd12 | 2530 | ofproto_dpif_send_packet(port, &packet); |
abe529af BP |
2531 | ofpbuf_uninit(&packet); |
2532 | } else { | |
2533 | VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface " | |
2534 | "%s (%s)", port->bundle->name, | |
10a89ef0 | 2535 | netdev_get_name(port->up.netdev), ovs_strerror(error)); |
abe529af BP |
2536 | } |
2537 | } | |
2538 | ||
2539 | static void | |
2540 | bundle_send_learning_packets(struct ofbundle *bundle) | |
2541 | { | |
2542 | struct ofproto_dpif *ofproto = bundle->ofproto; | |
0165217e | 2543 | struct ofpbuf *learning_packet; |
abe529af BP |
2544 | int error, n_packets, n_errors; |
2545 | struct mac_entry *e; | |
0165217e | 2546 | struct list packets; |
abe529af | 2547 | |
0165217e | 2548 | list_init(&packets); |
509c0149 | 2549 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
2550 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
2551 | if (e->port.p != bundle) { | |
4dd1e3ca | 2552 | void *port_void; |
ea131871 | 2553 | |
4dd1e3ca BP |
2554 | learning_packet = bond_compose_learning_packet(bundle->bond, |
2555 | e->mac, e->vlan, | |
2556 | &port_void); | |
cf3b7538 JR |
2557 | /* Temporarily use 'frame' as a private pointer (see below). */ |
2558 | ovs_assert(learning_packet->frame == ofpbuf_data(learning_packet)); | |
2559 | learning_packet->frame = port_void; | |
0165217e | 2560 | list_push_back(&packets, &learning_packet->list_node); |
abe529af BP |
2561 | } |
2562 | } | |
509c0149 | 2563 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af | 2564 | |
0165217e EJ |
2565 | error = n_packets = n_errors = 0; |
2566 | LIST_FOR_EACH (learning_packet, list_node, &packets) { | |
2567 | int ret; | |
cf3b7538 | 2568 | void *port_void = learning_packet->frame; |
0165217e | 2569 | |
cf3b7538 JR |
2570 | /* Restore 'frame'. */ |
2571 | learning_packet->frame = ofpbuf_data(learning_packet); | |
437d0d22 | 2572 | ret = ofproto_dpif_send_packet(port_void, learning_packet); |
0165217e EJ |
2573 | if (ret) { |
2574 | error = ret; | |
2575 | n_errors++; | |
2576 | } | |
2577 | n_packets++; | |
2578 | } | |
2579 | ofpbuf_list_delete(&packets); | |
2580 | ||
abe529af BP |
2581 | if (n_errors) { |
2582 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
2583 | VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning " | |
2584 | "packets, last error was: %s", | |
10a89ef0 | 2585 | bundle->name, n_errors, n_packets, ovs_strerror(error)); |
abe529af BP |
2586 | } else { |
2587 | VLOG_DBG("bond %s: sent %d gratuitous learning packets", | |
2588 | bundle->name, n_packets); | |
2589 | } | |
2590 | } | |
2591 | ||
2592 | static void | |
2593 | bundle_run(struct ofbundle *bundle) | |
2594 | { | |
2595 | if (bundle->lacp) { | |
2596 | lacp_run(bundle->lacp, send_pdu_cb); | |
2597 | } | |
2598 | if (bundle->bond) { | |
2599 | struct ofport_dpif *port; | |
2600 | ||
2601 | LIST_FOR_EACH (port, bundle_node, &bundle->ports) { | |
015e08bc | 2602 | bond_slave_set_may_enable(bundle->bond, port, port->may_enable); |
abe529af BP |
2603 | } |
2604 | ||
4a1b8f30 EJ |
2605 | if (bond_run(bundle->bond, lacp_status(bundle->lacp))) { |
2606 | bundle->ofproto->backer->need_revalidate = REV_BOND; | |
2607 | } | |
2608 | ||
abe529af BP |
2609 | if (bond_should_send_learning_packets(bundle->bond)) { |
2610 | bundle_send_learning_packets(bundle); | |
2611 | } | |
2612 | } | |
2613 | } | |
2614 | ||
2615 | static void | |
2616 | bundle_wait(struct ofbundle *bundle) | |
2617 | { | |
2618 | if (bundle->lacp) { | |
2619 | lacp_wait(bundle->lacp); | |
2620 | } | |
2621 | if (bundle->bond) { | |
2622 | bond_wait(bundle->bond); | |
2623 | } | |
2624 | } | |
2625 | \f | |
2626 | /* Mirrors. */ | |
2627 | ||
2628 | static int | |
ec7ceaed EJ |
2629 | mirror_set__(struct ofproto *ofproto_, void *aux, |
2630 | const struct ofproto_mirror_settings *s) | |
abe529af BP |
2631 | { |
2632 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
ec7ceaed EJ |
2633 | struct ofbundle **srcs, **dsts; |
2634 | int error; | |
2635 | size_t i; | |
abe529af | 2636 | |
abe529af | 2637 | if (!s) { |
ec7ceaed | 2638 | mirror_destroy(ofproto->mbridge, aux); |
abe529af BP |
2639 | return 0; |
2640 | } | |
2641 | ||
ec7ceaed EJ |
2642 | srcs = xmalloc(s->n_srcs * sizeof *srcs); |
2643 | dsts = xmalloc(s->n_dsts * sizeof *dsts); | |
abe529af | 2644 | |
ec7ceaed EJ |
2645 | for (i = 0; i < s->n_srcs; i++) { |
2646 | srcs[i] = bundle_lookup(ofproto, s->srcs[i]); | |
abe529af BP |
2647 | } |
2648 | ||
ec7ceaed EJ |
2649 | for (i = 0; i < s->n_dsts; i++) { |
2650 | dsts[i] = bundle_lookup(ofproto, s->dsts[i]); | |
abe529af BP |
2651 | } |
2652 | ||
ec7ceaed EJ |
2653 | error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts, |
2654 | s->n_dsts, s->src_vlans, | |
2655 | bundle_lookup(ofproto, s->out_bundle), s->out_vlan); | |
2656 | free(srcs); | |
2657 | free(dsts); | |
2658 | return error; | |
abe529af BP |
2659 | } |
2660 | ||
9d24de3b | 2661 | static int |
ec7ceaed EJ |
2662 | mirror_get_stats__(struct ofproto *ofproto, void *aux, |
2663 | uint64_t *packets, uint64_t *bytes) | |
9d24de3b | 2664 | { |
ec7ceaed EJ |
2665 | return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets, |
2666 | bytes); | |
9d24de3b JP |
2667 | } |
2668 | ||
abe529af BP |
2669 | static int |
2670 | set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans) | |
2671 | { | |
2672 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 2673 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
abe529af | 2674 | if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) { |
30618594 | 2675 | mac_learning_flush(ofproto->ml); |
abe529af | 2676 | } |
509c0149 | 2677 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
abe529af BP |
2678 | return 0; |
2679 | } | |
2680 | ||
2681 | static bool | |
b4affc74 | 2682 | is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux) |
abe529af BP |
2683 | { |
2684 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2685 | struct ofbundle *bundle = bundle_lookup(ofproto, aux); | |
ec7ceaed | 2686 | return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0; |
abe529af | 2687 | } |
8402c74b SS |
2688 | |
2689 | static void | |
b53055f4 | 2690 | forward_bpdu_changed(struct ofproto *ofproto_) |
8402c74b SS |
2691 | { |
2692 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2cc3c58e | 2693 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8402c74b | 2694 | } |
e764773c BP |
2695 | |
2696 | static void | |
c4069512 BP |
2697 | set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time, |
2698 | size_t max_entries) | |
e764773c BP |
2699 | { |
2700 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
509c0149 | 2701 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
e764773c | 2702 | mac_learning_set_idle_time(ofproto->ml, idle_time); |
c4069512 | 2703 | mac_learning_set_max_entries(ofproto->ml, max_entries); |
509c0149 | 2704 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
e764773c | 2705 | } |
abe529af BP |
2706 | \f |
2707 | /* Ports. */ | |
2708 | ||
46c88433 | 2709 | static struct ofport_dpif * |
4e022ec0 | 2710 | get_ofp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
abe529af | 2711 | { |
7df6a8bd BP |
2712 | struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port); |
2713 | return ofport ? ofport_dpif_cast(ofport) : NULL; | |
abe529af BP |
2714 | } |
2715 | ||
abe529af | 2716 | static void |
e1b1d06a JP |
2717 | ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto, |
2718 | struct ofproto_port *ofproto_port, | |
abe529af BP |
2719 | struct dpif_port *dpif_port) |
2720 | { | |
2721 | ofproto_port->name = dpif_port->name; | |
2722 | ofproto_port->type = dpif_port->type; | |
e1b1d06a | 2723 | ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no); |
abe529af BP |
2724 | } |
2725 | ||
6cbbf4fa EJ |
2726 | static void |
2727 | ofport_update_peer(struct ofport_dpif *ofport) | |
0a740f48 EJ |
2728 | { |
2729 | const struct ofproto_dpif *ofproto; | |
6cbbf4fa | 2730 | struct dpif_backer *backer; |
161b6042 | 2731 | char *peer_name; |
6cbbf4fa EJ |
2732 | |
2733 | if (!netdev_vport_is_patch(ofport->up.netdev)) { | |
2734 | return; | |
2735 | } | |
2736 | ||
2737 | backer = ofproto_dpif_cast(ofport->up.ofproto)->backer; | |
7894e7da | 2738 | backer->need_revalidate = REV_RECONFIGURE; |
0a740f48 | 2739 | |
6cbbf4fa EJ |
2740 | if (ofport->peer) { |
2741 | ofport->peer->peer = NULL; | |
2742 | ofport->peer = NULL; | |
2743 | } | |
2744 | ||
2745 | peer_name = netdev_vport_patch_peer(ofport->up.netdev); | |
2746 | if (!peer_name) { | |
2747 | return; | |
0a740f48 EJ |
2748 | } |
2749 | ||
2750 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
6cbbf4fa EJ |
2751 | struct ofport *peer_ofport; |
2752 | struct ofport_dpif *peer; | |
161b6042 | 2753 | char *peer_peer; |
0a740f48 | 2754 | |
462abef2 EJ |
2755 | if (ofproto->backer != backer) { |
2756 | continue; | |
2757 | } | |
2758 | ||
6cbbf4fa EJ |
2759 | peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name); |
2760 | if (!peer_ofport) { | |
2761 | continue; | |
2762 | } | |
2763 | ||
2764 | peer = ofport_dpif_cast(peer_ofport); | |
2765 | peer_peer = netdev_vport_patch_peer(peer->up.netdev); | |
2766 | if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev), | |
2767 | peer_peer)) { | |
2768 | ofport->peer = peer; | |
2769 | ofport->peer->peer = ofport; | |
0a740f48 | 2770 | } |
161b6042 | 2771 | free(peer_peer); |
6cbbf4fa | 2772 | |
161b6042 | 2773 | break; |
0a740f48 | 2774 | } |
161b6042 | 2775 | free(peer_name); |
0a740f48 EJ |
2776 | } |
2777 | ||
abe529af BP |
2778 | static void |
2779 | port_run(struct ofport_dpif *ofport) | |
2780 | { | |
3e5b3fdb EJ |
2781 | long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev); |
2782 | bool carrier_changed = carrier_seq != ofport->carrier_seq; | |
015e08bc | 2783 | bool enable = netdev_get_carrier(ofport->up.netdev); |
2d344ba5 AW |
2784 | bool cfm_enable = false; |
2785 | bool bfd_enable = false; | |
015e08bc | 2786 | |
3e5b3fdb EJ |
2787 | ofport->carrier_seq = carrier_seq; |
2788 | ||
abe529af | 2789 | if (ofport->cfm) { |
4653c558 EJ |
2790 | int cfm_opup = cfm_get_opup(ofport->cfm); |
2791 | ||
2d344ba5 | 2792 | cfm_enable = !cfm_get_fault(ofport->cfm); |
4653c558 EJ |
2793 | |
2794 | if (cfm_opup >= 0) { | |
2d344ba5 | 2795 | cfm_enable = cfm_enable && cfm_opup; |
4653c558 | 2796 | } |
abe529af | 2797 | } |
015e08bc | 2798 | |
ccc09689 | 2799 | if (ofport->bfd) { |
2d344ba5 AW |
2800 | bfd_enable = bfd_forwarding(ofport->bfd); |
2801 | } | |
2802 | ||
2803 | if (ofport->bfd || ofport->cfm) { | |
2804 | enable = enable && (cfm_enable || bfd_enable); | |
ccc09689 EJ |
2805 | } |
2806 | ||
015e08bc EJ |
2807 | if (ofport->bundle) { |
2808 | enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport); | |
3e5b3fdb EJ |
2809 | if (carrier_changed) { |
2810 | lacp_slave_carrier_changed(ofport->bundle->lacp, ofport); | |
2811 | } | |
015e08bc EJ |
2812 | } |
2813 | ||
daff3353 EJ |
2814 | if (ofport->may_enable != enable) { |
2815 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); | |
83341407 | 2816 | ofproto->backer->need_revalidate = REV_PORT_TOGGLED; |
daff3353 EJ |
2817 | } |
2818 | ||
015e08bc | 2819 | ofport->may_enable = enable; |
abe529af BP |
2820 | } |
2821 | ||
abe529af BP |
2822 | static int |
2823 | port_query_by_name(const struct ofproto *ofproto_, const char *devname, | |
2824 | struct ofproto_port *ofproto_port) | |
2825 | { | |
2826 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
2827 | struct dpif_port dpif_port; | |
2828 | int error; | |
2829 | ||
0a740f48 EJ |
2830 | if (sset_contains(&ofproto->ghost_ports, devname)) { |
2831 | const char *type = netdev_get_type_from_name(devname); | |
2832 | ||
2833 | /* We may be called before ofproto->up.port_by_name is populated with | |
2834 | * the appropriate ofport. For this reason, we must get the name and | |
2835 | * type from the netdev layer directly. */ | |
2836 | if (type) { | |
2837 | const struct ofport *ofport; | |
2838 | ||
2839 | ofport = shash_find_data(&ofproto->up.port_by_name, devname); | |
2840 | ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE; | |
2841 | ofproto_port->name = xstrdup(devname); | |
2842 | ofproto_port->type = xstrdup(type); | |
2843 | return 0; | |
2844 | } | |
2845 | return ENODEV; | |
2846 | } | |
2847 | ||
acf60855 JP |
2848 | if (!sset_contains(&ofproto->ports, devname)) { |
2849 | return ENODEV; | |
2850 | } | |
2851 | error = dpif_port_query_by_name(ofproto->backer->dpif, | |
2852 | devname, &dpif_port); | |
abe529af | 2853 | if (!error) { |
e1b1d06a | 2854 | ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port); |
abe529af BP |
2855 | } |
2856 | return error; | |
2857 | } | |
2858 | ||
2859 | static int | |
e1b1d06a | 2860 | port_add(struct ofproto *ofproto_, struct netdev *netdev) |
abe529af BP |
2861 | { |
2862 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 2863 | const char *devname = netdev_get_name(netdev); |
3aa30359 BP |
2864 | char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; |
2865 | const char *dp_port_name; | |
abe529af | 2866 | |
0a740f48 EJ |
2867 | if (netdev_vport_is_patch(netdev)) { |
2868 | sset_add(&ofproto->ghost_ports, netdev_get_name(netdev)); | |
2869 | return 0; | |
2870 | } | |
2871 | ||
3aa30359 | 2872 | dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf); |
b9ad7294 | 2873 | if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) { |
4e022ec0 | 2874 | odp_port_t port_no = ODPP_NONE; |
7d82ab2e KM |
2875 | int error; |
2876 | ||
2877 | error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no); | |
b9ad7294 EJ |
2878 | if (error) { |
2879 | return error; | |
2880 | } | |
7d82ab2e | 2881 | if (netdev_get_tunnel_config(netdev)) { |
4e022ec0 AW |
2882 | simap_put(&ofproto->backer->tnl_backers, |
2883 | dp_port_name, odp_to_u32(port_no)); | |
7d82ab2e | 2884 | } |
acf60855 | 2885 | } |
b9ad7294 EJ |
2886 | |
2887 | if (netdev_get_tunnel_config(netdev)) { | |
2888 | sset_add(&ofproto->ghost_ports, devname); | |
b9ad7294 EJ |
2889 | } else { |
2890 | sset_add(&ofproto->ports, devname); | |
2891 | } | |
2892 | return 0; | |
2893 | } | |
2894 | ||
abe529af | 2895 | static int |
4e022ec0 | 2896 | port_del(struct ofproto *ofproto_, ofp_port_t ofp_port) |
abe529af BP |
2897 | { |
2898 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
b9ad7294 | 2899 | struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); |
e1b1d06a | 2900 | int error = 0; |
abe529af | 2901 | |
b9ad7294 EJ |
2902 | if (!ofport) { |
2903 | return 0; | |
e1b1d06a | 2904 | } |
b9ad7294 EJ |
2905 | |
2906 | sset_find_and_delete(&ofproto->ghost_ports, | |
2907 | netdev_get_name(ofport->up.netdev)); | |
a614d823 | 2908 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
8911c674 | 2909 | if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) { |
b9ad7294 EJ |
2910 | error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port); |
2911 | if (!error) { | |
abe529af BP |
2912 | /* The caller is going to close ofport->up.netdev. If this is a |
2913 | * bonded port, then the bond is using that netdev, so remove it | |
2914 | * from the bond. The client will need to reconfigure everything | |
2915 | * after deleting ports, so then the slave will get re-added. */ | |
2916 | bundle_remove(&ofport->up); | |
2917 | } | |
2918 | } | |
2919 | return error; | |
2920 | } | |
2921 | ||
6527c598 PS |
2922 | static int |
2923 | port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats) | |
2924 | { | |
2925 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
2926 | int error; | |
2927 | ||
2928 | error = netdev_get_stats(ofport->up.netdev, stats); | |
2929 | ||
ee382d89 | 2930 | if (!error && ofport_->ofp_port == OFPP_LOCAL) { |
6527c598 PS |
2931 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
2932 | ||
0da3c61b | 2933 | ovs_mutex_lock(&ofproto->stats_mutex); |
6527c598 PS |
2934 | /* ofproto->stats.tx_packets represents packets that we created |
2935 | * internally and sent to some port (e.g. packets sent with | |
91d6cd12 AW |
2936 | * ofproto_dpif_send_packet()). Account for them as if they had |
2937 | * come from OFPP_LOCAL and got forwarded. */ | |
6527c598 PS |
2938 | |
2939 | if (stats->rx_packets != UINT64_MAX) { | |
2940 | stats->rx_packets += ofproto->stats.tx_packets; | |
2941 | } | |
2942 | ||
2943 | if (stats->rx_bytes != UINT64_MAX) { | |
2944 | stats->rx_bytes += ofproto->stats.tx_bytes; | |
2945 | } | |
2946 | ||
2947 | /* ofproto->stats.rx_packets represents packets that were received on | |
2948 | * some port and we processed internally and dropped (e.g. STP). | |
4e090bc7 | 2949 | * Account for them as if they had been forwarded to OFPP_LOCAL. */ |
6527c598 PS |
2950 | |
2951 | if (stats->tx_packets != UINT64_MAX) { | |
2952 | stats->tx_packets += ofproto->stats.rx_packets; | |
2953 | } | |
2954 | ||
2955 | if (stats->tx_bytes != UINT64_MAX) { | |
2956 | stats->tx_bytes += ofproto->stats.rx_bytes; | |
2957 | } | |
0da3c61b | 2958 | ovs_mutex_unlock(&ofproto->stats_mutex); |
6527c598 PS |
2959 | } |
2960 | ||
2961 | return error; | |
2962 | } | |
2963 | ||
abe529af | 2964 | struct port_dump_state { |
acf60855 JP |
2965 | uint32_t bucket; |
2966 | uint32_t offset; | |
0a740f48 | 2967 | bool ghost; |
da78d43d BP |
2968 | |
2969 | struct ofproto_port port; | |
2970 | bool has_port; | |
abe529af BP |
2971 | }; |
2972 | ||
2973 | static int | |
acf60855 | 2974 | port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep) |
abe529af | 2975 | { |
0a740f48 | 2976 | *statep = xzalloc(sizeof(struct port_dump_state)); |
abe529af BP |
2977 | return 0; |
2978 | } | |
2979 | ||
2980 | static int | |
b9ad7294 | 2981 | port_dump_next(const struct ofproto *ofproto_, void *state_, |
abe529af BP |
2982 | struct ofproto_port *port) |
2983 | { | |
e1b1d06a | 2984 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
abe529af | 2985 | struct port_dump_state *state = state_; |
0a740f48 | 2986 | const struct sset *sset; |
acf60855 | 2987 | struct sset_node *node; |
abe529af | 2988 | |
da78d43d BP |
2989 | if (state->has_port) { |
2990 | ofproto_port_destroy(&state->port); | |
2991 | state->has_port = false; | |
2992 | } | |
0a740f48 EJ |
2993 | sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports; |
2994 | while ((node = sset_at_position(sset, &state->bucket, &state->offset))) { | |
acf60855 JP |
2995 | int error; |
2996 | ||
da78d43d BP |
2997 | error = port_query_by_name(ofproto_, node->name, &state->port); |
2998 | if (!error) { | |
2999 | *port = state->port; | |
3000 | state->has_port = true; | |
3001 | return 0; | |
3002 | } else if (error != ENODEV) { | |
acf60855 JP |
3003 | return error; |
3004 | } | |
abe529af | 3005 | } |
acf60855 | 3006 | |
0a740f48 EJ |
3007 | if (!state->ghost) { |
3008 | state->ghost = true; | |
3009 | state->bucket = 0; | |
3010 | state->offset = 0; | |
3011 | return port_dump_next(ofproto_, state_, port); | |
3012 | } | |
3013 | ||
acf60855 | 3014 | return EOF; |
abe529af BP |
3015 | } |
3016 | ||
3017 | static int | |
3018 | port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_) | |
3019 | { | |
3020 | struct port_dump_state *state = state_; | |
3021 | ||
da78d43d BP |
3022 | if (state->has_port) { |
3023 | ofproto_port_destroy(&state->port); | |
3024 | } | |
abe529af BP |
3025 | free(state); |
3026 | return 0; | |
3027 | } | |
3028 | ||
3029 | static int | |
3030 | port_poll(const struct ofproto *ofproto_, char **devnamep) | |
3031 | { | |
3032 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 JP |
3033 | |
3034 | if (ofproto->port_poll_errno) { | |
3035 | int error = ofproto->port_poll_errno; | |
3036 | ofproto->port_poll_errno = 0; | |
3037 | return error; | |
3038 | } | |
3039 | ||
3040 | if (sset_is_empty(&ofproto->port_poll_set)) { | |
3041 | return EAGAIN; | |
3042 | } | |
3043 | ||
3044 | *devnamep = sset_pop(&ofproto->port_poll_set); | |
3045 | return 0; | |
abe529af BP |
3046 | } |
3047 | ||
3048 | static void | |
3049 | port_poll_wait(const struct ofproto *ofproto_) | |
3050 | { | |
3051 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
acf60855 | 3052 | dpif_port_poll_wait(ofproto->backer->dpif); |
abe529af BP |
3053 | } |
3054 | ||
3055 | static int | |
3056 | port_is_lacp_current(const struct ofport *ofport_) | |
3057 | { | |
3058 | const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
3059 | return (ofport->bundle && ofport->bundle->lacp | |
3060 | ? lacp_slave_is_current(ofport->bundle->lacp, ofport) | |
3061 | : -1); | |
3062 | } | |
3063 | \f | |
e79a6c83 EJ |
3064 | /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules, |
3065 | * then delete it entirely. */ | |
3066 | static void | |
3067 | rule_expire(struct rule_dpif *rule) | |
3068 | OVS_REQUIRES(ofproto_mutex) | |
9d6ac44e | 3069 | { |
dc437090 | 3070 | uint16_t hard_timeout, idle_timeout; |
e79a6c83 | 3071 | long long int now = time_msec(); |
dc437090 | 3072 | int reason = -1; |
9d6ac44e | 3073 | |
e79a6c83 | 3074 | ovs_assert(!rule->up.pending); |
9d6ac44e | 3075 | |
e79a6c83 EJ |
3076 | hard_timeout = rule->up.hard_timeout; |
3077 | idle_timeout = rule->up.idle_timeout; | |
dc437090 JR |
3078 | |
3079 | /* Has 'rule' expired? */ | |
3080 | if (hard_timeout) { | |
3081 | long long int modified; | |
3082 | ||
3083 | ovs_mutex_lock(&rule->up.mutex); | |
3084 | modified = rule->up.modified; | |
3085 | ovs_mutex_unlock(&rule->up.mutex); | |
3086 | ||
3087 | if (now > modified + hard_timeout * 1000) { | |
3088 | reason = OFPRR_HARD_TIMEOUT; | |
3089 | } | |
3090 | } | |
3091 | ||
3092 | if (reason < 0 && idle_timeout) { | |
3093 | long long int used; | |
3094 | ||
3095 | ovs_mutex_lock(&rule->stats_mutex); | |
1a4ec18d | 3096 | used = rule->stats.used; |
dc437090 JR |
3097 | ovs_mutex_unlock(&rule->stats_mutex); |
3098 | ||
3099 | if (now > used + idle_timeout * 1000) { | |
3100 | reason = OFPRR_IDLE_TIMEOUT; | |
3101 | } | |
f9c37233 | 3102 | } |
501f8d1f | 3103 | |
e79a6c83 EJ |
3104 | if (reason >= 0) { |
3105 | COVERAGE_INC(ofproto_dpif_expired); | |
3106 | ofproto_rule_expire(&rule->up, reason); | |
a41d7bf2 | 3107 | } |
e79a6c83 | 3108 | } |
a41d7bf2 | 3109 | |
e79a6c83 EJ |
3110 | /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'. |
3111 | * 'flow' must reflect the data in 'packet'. */ | |
3112 | int | |
3113 | ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto, | |
3114 | const struct flow *flow, | |
3115 | struct rule_dpif *rule, | |
3116 | const struct ofpact *ofpacts, size_t ofpacts_len, | |
3117 | struct ofpbuf *packet) | |
3118 | { | |
e79a6c83 EJ |
3119 | struct dpif_flow_stats stats; |
3120 | struct xlate_out xout; | |
3121 | struct xlate_in xin; | |
3122 | ofp_port_t in_port; | |
758c456d | 3123 | struct dpif_execute execute; |
e79a6c83 | 3124 | int error; |
f9c37233 | 3125 | |
e79a6c83 | 3126 | ovs_assert((rule != NULL) != (ofpacts != NULL)); |
501f8d1f | 3127 | |
e79a6c83 | 3128 | dpif_flow_stats_extract(flow, packet, time_msec(), &stats); |
adcf00ba | 3129 | |
e79a6c83 EJ |
3130 | if (rule) { |
3131 | rule_dpif_credit_stats(rule, &stats); | |
3132 | } | |
c84451a6 | 3133 | |
e79a6c83 EJ |
3134 | xlate_in_init(&xin, ofproto, flow, rule, stats.tcp_flags, packet); |
3135 | xin.ofpacts = ofpacts; | |
3136 | xin.ofpacts_len = ofpacts_len; | |
3137 | xin.resubmit_stats = &stats; | |
3138 | xlate_actions(&xin, &xout); | |
d445cc16 | 3139 | |
e79a6c83 EJ |
3140 | in_port = flow->in_port.ofp_port; |
3141 | if (in_port == OFPP_NONE) { | |
3142 | in_port = OFPP_LOCAL; | |
501f8d1f | 3143 | } |
1f317cb5 PS |
3144 | execute.actions = ofpbuf_data(&xout.odp_actions); |
3145 | execute.actions_len = ofpbuf_size(&xout.odp_actions); | |
758c456d JR |
3146 | execute.packet = packet; |
3147 | execute.md.tunnel = flow->tunnel; | |
3148 | execute.md.skb_priority = flow->skb_priority; | |
3149 | execute.md.pkt_mark = flow->pkt_mark; | |
b5e7e61a | 3150 | execute.md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port); |
758c456d JR |
3151 | execute.needs_help = (xout.slow & SLOW_ACTION) != 0; |
3152 | ||
3153 | error = dpif_execute(ofproto->backer->dpif, &execute); | |
501f8d1f | 3154 | |
e79a6c83 | 3155 | xlate_out_uninit(&xout); |
9d6ac44e | 3156 | |
e79a6c83 | 3157 | return error; |
9d6ac44e BP |
3158 | } |
3159 | ||
e79a6c83 EJ |
3160 | void |
3161 | rule_dpif_credit_stats(struct rule_dpif *rule, | |
3162 | const struct dpif_flow_stats *stats) | |
8f73d537 | 3163 | { |
e79a6c83 | 3164 | ovs_mutex_lock(&rule->stats_mutex); |
1a4ec18d JS |
3165 | rule->stats.n_packets += stats->n_packets; |
3166 | rule->stats.n_bytes += stats->n_bytes; | |
3167 | rule->stats.used = MAX(rule->stats.used, stats->used); | |
e79a6c83 | 3168 | ovs_mutex_unlock(&rule->stats_mutex); |
8f73d537 EJ |
3169 | } |
3170 | ||
e79a6c83 EJ |
3171 | bool |
3172 | rule_dpif_is_fail_open(const struct rule_dpif *rule) | |
8f73d537 | 3173 | { |
e79a6c83 EJ |
3174 | return is_fail_open_rule(&rule->up); |
3175 | } | |
e1ec7dd4 | 3176 | |
e79a6c83 EJ |
3177 | bool |
3178 | rule_dpif_is_table_miss(const struct rule_dpif *rule) | |
3179 | { | |
3180 | return rule_is_table_miss(&rule->up); | |
8f73d537 EJ |
3181 | } |
3182 | ||
32260212 SH |
3183 | bool |
3184 | rule_dpif_is_internal(const struct rule_dpif *rule) | |
3185 | { | |
3186 | return rule_is_internal(&rule->up); | |
3187 | } | |
3188 | ||
e79a6c83 EJ |
3189 | ovs_be64 |
3190 | rule_dpif_get_flow_cookie(const struct rule_dpif *rule) | |
3191 | OVS_REQUIRES(rule->up.mutex) | |
3192 | { | |
3193 | return rule->up.flow_cookie; | |
3194 | } | |
cfd5c9eb | 3195 | |
e79a6c83 EJ |
3196 | void |
3197 | rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout, | |
3198 | uint16_t hard_timeout) | |
3199 | { | |
3200 | ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout); | |
6a7e895f BP |
3201 | } |
3202 | ||
e79a6c83 EJ |
3203 | /* Returns 'rule''s actions. The caller owns a reference on the returned |
3204 | * actions and must eventually release it (with rule_actions_unref()) to avoid | |
3205 | * a memory leak. */ | |
dc723c44 | 3206 | const struct rule_actions * |
e79a6c83 | 3207 | rule_dpif_get_actions(const struct rule_dpif *rule) |
6ff686f2 | 3208 | { |
e79a6c83 EJ |
3209 | return rule_get_actions(&rule->up); |
3210 | } | |
abe529af | 3211 | |
4a750708 AZ |
3212 | /* Lookup 'flow' in table 0 of 'ofproto''s classifier. |
3213 | * If 'wc' is non-null, sets the fields that were relevant as part of | |
3214 | * the lookup. Returns the table_id where a match or miss occurred. | |
3215 | * | |
3216 | * The return value will be zero unless there was a miss and | |
3217 | * OFPTC11_TABLE_MISS_CONTINUE is in effect for the sequence of tables | |
1a7c0cd7 JR |
3218 | * where misses occur. |
3219 | * | |
3220 | * The rule is returned in '*rule', which is valid at least until the next | |
3221 | * RCU quiescent period. If the '*rule' needs to stay around longer, | |
3222 | * a non-zero 'take_ref' must be passed in to cause a reference to be taken | |
3223 | * on it before this returns. */ | |
4a750708 AZ |
3224 | uint8_t |
3225 | rule_dpif_lookup(struct ofproto_dpif *ofproto, struct flow *flow, | |
1a7c0cd7 JR |
3226 | struct flow_wildcards *wc, struct rule_dpif **rule, |
3227 | bool take_ref) | |
c57b2226 | 3228 | { |
6d328fa2 SH |
3229 | enum rule_dpif_lookup_verdict verdict; |
3230 | enum ofputil_port_config config = 0; | |
4a750708 AZ |
3231 | uint8_t table_id; |
3232 | ||
3233 | if (ofproto_dpif_get_enable_recirc(ofproto)) { | |
c12cea0e AZ |
3234 | /* Always exactly match recirc_id since datapath supports |
3235 | * recirculation. */ | |
3236 | if (wc) { | |
3237 | wc->masks.recirc_id = UINT32_MAX; | |
4a750708 | 3238 | } |
c12cea0e AZ |
3239 | |
3240 | /* Start looking up from internal table for post recirculation flows | |
3241 | * or packets. We can also simply send all, including normal flows | |
3242 | * or packets to the internal table. They will not match any post | |
3243 | * recirculation rules except the 'catch all' rule that resubmit | |
3244 | * them to table 0. | |
3245 | * | |
3246 | * As an optimization, we send normal flows and packets to table 0 | |
3247 | * directly, saving one table lookup. */ | |
3248 | table_id = flow->recirc_id ? TBL_INTERNAL : 0; | |
4a750708 AZ |
3249 | } else { |
3250 | table_id = 0; | |
3251 | } | |
c57b2226 | 3252 | |
6d328fa2 | 3253 | verdict = rule_dpif_lookup_from_table(ofproto, flow, wc, true, |
1a7c0cd7 | 3254 | &table_id, rule, take_ref); |
6d328fa2 SH |
3255 | |
3256 | switch (verdict) { | |
3257 | case RULE_DPIF_LOOKUP_VERDICT_MATCH: | |
3258 | return table_id; | |
3259 | case RULE_DPIF_LOOKUP_VERDICT_CONTROLLER: { | |
3260 | struct ofport_dpif *port; | |
3261 | ||
3262 | port = get_ofp_port(ofproto, flow->in_port.ofp_port); | |
3263 | if (!port) { | |
3264 | VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16, | |
3265 | flow->in_port.ofp_port); | |
3266 | } | |
3267 | config = port ? port->up.pp.config : 0; | |
3268 | break; | |
c57b2226 | 3269 | } |
6d328fa2 SH |
3270 | case RULE_DPIF_LOOKUP_VERDICT_DROP: |
3271 | config = OFPUTIL_PC_NO_PACKET_IN; | |
3272 | break; | |
6b83a3c5 SH |
3273 | case RULE_DPIF_LOOKUP_VERDICT_DEFAULT: |
3274 | if (!connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) { | |
3275 | config = OFPUTIL_PC_NO_PACKET_IN; | |
3276 | } | |
3277 | break; | |
6d328fa2 SH |
3278 | default: |
3279 | OVS_NOT_REACHED(); | |
ec89fc6f | 3280 | } |
c57b2226 | 3281 | |
6d328fa2 | 3282 | choose_miss_rule(config, ofproto->miss_rule, |
1a7c0cd7 | 3283 | ofproto->no_packet_in_rule, rule, take_ref); |
6d328fa2 | 3284 | return table_id; |
c57b2226 BP |
3285 | } |
3286 | ||
1a7c0cd7 JR |
3287 | /* The returned rule is valid at least until the next RCU quiescent period. |
3288 | * If the '*rule' needs to stay around longer, a non-zero 'take_ref' must be | |
3289 | * passed in to cause a reference to be taken on it before this returns. */ | |
6d328fa2 SH |
3290 | static struct rule_dpif * |
3291 | rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, uint8_t table_id, | |
1a7c0cd7 JR |
3292 | const struct flow *flow, struct flow_wildcards *wc, |
3293 | bool take_ref) | |
abe529af | 3294 | { |
6d328fa2 | 3295 | struct classifier *cls = &ofproto->up.tables[table_id].cls; |
49a0e0eb | 3296 | const struct cls_rule *cls_rule; |
6d328fa2 | 3297 | struct rule_dpif *rule; |
9cdaaebe | 3298 | |
6d328fa2 SH |
3299 | fat_rwlock_rdlock(&cls->rwlock); |
3300 | if (ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) { | |
3301 | if (wc) { | |
3302 | memset(&wc->masks.dl_type, 0xff, sizeof wc->masks.dl_type); | |
3303 | if (is_ip_any(flow)) { | |
3304 | wc->masks.nw_frag |= FLOW_NW_FRAG_MASK; | |
3305 | } | |
0934ebba | 3306 | } |
1dd35f8a | 3307 | |
6d328fa2 SH |
3308 | if (flow->nw_frag & FLOW_NW_FRAG_ANY) { |
3309 | if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) { | |
3310 | /* We must pretend that transport ports are unavailable. */ | |
3311 | struct flow ofpc_normal_flow = *flow; | |
3312 | ofpc_normal_flow.tp_src = htons(0); | |
3313 | ofpc_normal_flow.tp_dst = htons(0); | |
3314 | cls_rule = classifier_lookup(cls, &ofpc_normal_flow, wc); | |
3315 | } else { | |
3316 | /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM). */ | |
3317 | cls_rule = &ofproto->drop_frags_rule->up.cr; | |
3318 | } | |
3319 | } else { | |
3320 | cls_rule = classifier_lookup(cls, flow, wc); | |
3321 | } | |
7257b535 | 3322 | } else { |
bcd2633a | 3323 | cls_rule = classifier_lookup(cls, flow, wc); |
7257b535 | 3324 | } |
ad3efdcb | 3325 | |
6d328fa2 | 3326 | rule = rule_dpif_cast(rule_from_cls_rule(cls_rule)); |
1a7c0cd7 JR |
3327 | if (take_ref) { |
3328 | rule_dpif_ref(rule); | |
3329 | } | |
06f81620 | 3330 | fat_rwlock_unlock(&cls->rwlock); |
ad3efdcb | 3331 | |
6d328fa2 SH |
3332 | return rule; |
3333 | } | |
3334 | ||
3335 | /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'. | |
3336 | * Stores the rule that was found in '*rule', or NULL if none was found. | |
3337 | * Updates 'wc', if nonnull, to reflect the fields that were used during the | |
3338 | * lookup. | |
3339 | * | |
3340 | * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but | |
3341 | * if none is found then the table miss configuration for that table is | |
3342 | * honored, which can result in additional lookups in other OpenFlow tables. | |
3343 | * In this case the function updates '*table_id' to reflect the final OpenFlow | |
3344 | * table that was searched. | |
3345 | * | |
3346 | * If 'honor_table_miss' is false, then only one table lookup occurs, in | |
3347 | * '*table_id'. | |
3348 | * | |
3349 | * Returns: | |
3350 | * | |
3351 | * - RULE_DPIF_LOOKUP_VERDICT_MATCH if a rule (in '*rule') was found. | |
3352 | * | |
6b83a3c5 SH |
3353 | * - RULE_OFPTC_TABLE_MISS_CONTROLLER if no rule was found and either: |
3354 | * + 'honor_table_miss' is false | |
3355 | * + a table miss configuration specified that the packet should be | |
c7ee3065 | 3356 | * sent to the controller in this case. |
6d328fa2 | 3357 | * |
6b83a3c5 SH |
3358 | * - RULE_DPIF_LOOKUP_VERDICT_DROP if no rule was found, 'honor_table_miss' |
3359 | * is true and a table miss configuration specified that the packet | |
3360 | * should be dropped in this case. | |
3361 | * | |
3362 | * - RULE_DPIF_LOOKUP_VERDICT_DEFAULT if no rule was found, | |
3363 | * 'honor_table_miss' is true and a table miss configuration has | |
1a7c0cd7 JR |
3364 | * not been specified in this case. |
3365 | * | |
3366 | * The rule is returned in '*rule', which is valid at least until the next | |
3367 | * RCU quiescent period. If the '*rule' needs to stay around longer, | |
3368 | * a non-zero 'take_ref' must be passed in to cause a reference to be taken | |
3369 | * on it before this returns. */ | |
6d328fa2 SH |
3370 | enum rule_dpif_lookup_verdict |
3371 | rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto, | |
3372 | const struct flow *flow, | |
3373 | struct flow_wildcards *wc, | |
3374 | bool honor_table_miss, | |
1a7c0cd7 JR |
3375 | uint8_t *table_id, struct rule_dpif **rule, |
3376 | bool take_ref) | |
6d328fa2 SH |
3377 | { |
3378 | uint8_t next_id; | |
3379 | ||
3380 | for (next_id = *table_id; | |
3381 | next_id < ofproto->up.n_tables; | |
3382 | next_id++, next_id += (next_id == TBL_INTERNAL)) | |
3383 | { | |
3384 | *table_id = next_id; | |
1a7c0cd7 JR |
3385 | *rule = rule_dpif_lookup_in_table(ofproto, *table_id, flow, wc, |
3386 | take_ref); | |
6d328fa2 SH |
3387 | if (*rule) { |
3388 | return RULE_DPIF_LOOKUP_VERDICT_MATCH; | |
3389 | } else if (!honor_table_miss) { | |
3390 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; | |
3391 | } else { | |
6b83a3c5 SH |
3392 | switch (ofproto_table_get_config(&ofproto->up, *table_id)) { |
3393 | case OFPROTO_TABLE_MISS_CONTINUE: | |
6d328fa2 SH |
3394 | break; |
3395 | ||
6b83a3c5 | 3396 | case OFPROTO_TABLE_MISS_CONTROLLER: |
6d328fa2 SH |
3397 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; |
3398 | ||
6b83a3c5 | 3399 | case OFPROTO_TABLE_MISS_DROP: |
6d328fa2 | 3400 | return RULE_DPIF_LOOKUP_VERDICT_DROP; |
6b83a3c5 SH |
3401 | |
3402 | case OFPROTO_TABLE_MISS_DEFAULT: | |
3403 | return RULE_DPIF_LOOKUP_VERDICT_DEFAULT; | |
6d328fa2 SH |
3404 | } |
3405 | } | |
3406 | } | |
3407 | ||
3408 | return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER; | |
abe529af BP |
3409 | } |
3410 | ||
ec89fc6f EJ |
3411 | /* Given a port configuration (specified as zero if there's no port), chooses |
3412 | * which of 'miss_rule' and 'no_packet_in_rule' should be used in case of a | |
1a7c0cd7 JR |
3413 | * flow table miss. |
3414 | * | |
3415 | * The rule is returned in '*rule', which is valid at least until the next | |
3416 | * RCU quiescent period. If the '*rule' needs to stay around longer, | |
3417 | * a reference must be taken on it (rule_dpif_ref()). | |
3418 | */ | |
70742c7f | 3419 | void |
ec89fc6f | 3420 | choose_miss_rule(enum ofputil_port_config config, struct rule_dpif *miss_rule, |
1a7c0cd7 JR |
3421 | struct rule_dpif *no_packet_in_rule, struct rule_dpif **rule, |
3422 | bool take_ref) | |
c376f9a3 | 3423 | { |
70742c7f | 3424 | *rule = config & OFPUTIL_PC_NO_PACKET_IN ? no_packet_in_rule : miss_rule; |
1a7c0cd7 JR |
3425 | if (take_ref) { |
3426 | rule_dpif_ref(*rule); | |
3427 | } | |
a2143702 BP |
3428 | } |
3429 | ||
3430 | void | |
3431 | rule_dpif_ref(struct rule_dpif *rule) | |
3432 | { | |
3433 | if (rule) { | |
3434 | ofproto_rule_ref(&rule->up); | |
3435 | } | |
c376f9a3 IY |
3436 | } |
3437 | ||
ad3efdcb | 3438 | void |
a2143702 | 3439 | rule_dpif_unref(struct rule_dpif *rule) |
ad3efdcb EJ |
3440 | { |
3441 | if (rule) { | |
a2143702 | 3442 | ofproto_rule_unref(&rule->up); |
ad3efdcb EJ |
3443 | } |
3444 | } | |
3445 | ||
7ee20df1 BP |
3446 | static void |
3447 | complete_operation(struct rule_dpif *rule) | |
15aaf599 | 3448 | OVS_REQUIRES(ofproto_mutex) |
7ee20df1 BP |
3449 | { |
3450 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); | |
3451 | ||
a1616063 | 3452 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
35232d32 | 3453 | ofoperation_complete(rule->up.pending, 0); |
7ee20df1 BP |
3454 | } |
3455 | ||
70742c7f EJ |
3456 | static struct rule_dpif *rule_dpif_cast(const struct rule *rule) |
3457 | { | |
3458 | return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL; | |
3459 | } | |
3460 | ||
abe529af BP |
3461 | static struct rule * |
3462 | rule_alloc(void) | |
3463 | { | |
3464 | struct rule_dpif *rule = xmalloc(sizeof *rule); | |
3465 | return &rule->up; | |
3466 | } | |
3467 | ||
3468 | static void | |
3469 | rule_dealloc(struct rule *rule_) | |
3470 | { | |
3471 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3472 | free(rule); | |
3473 | } | |
3474 | ||
90bf1e07 | 3475 | static enum ofperr |
abe529af | 3476 | rule_construct(struct rule *rule_) |
dc437090 | 3477 | OVS_NO_THREAD_SAFETY_ANALYSIS |
abe529af BP |
3478 | { |
3479 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
97ba2d36 | 3480 | ovs_mutex_init_adaptive(&rule->stats_mutex); |
1a4ec18d JS |
3481 | rule->stats.n_packets = 0; |
3482 | rule->stats.n_bytes = 0; | |
3483 | rule->stats.used = rule->up.modified; | |
abe529af BP |
3484 | return 0; |
3485 | } | |
3486 | ||
3487 | static void | |
8037acb4 | 3488 | rule_insert(struct rule *rule_) |
15aaf599 | 3489 | OVS_REQUIRES(ofproto_mutex) |
abe529af | 3490 | { |
9fbe253e EJ |
3491 | struct rule_dpif *rule = rule_dpif_cast(rule_); |
3492 | complete_operation(rule); | |
8037acb4 BP |
3493 | } |
3494 | ||
3495 | static void | |
3496 | rule_delete(struct rule *rule_) | |
15aaf599 | 3497 | OVS_REQUIRES(ofproto_mutex) |
8037acb4 BP |
3498 | { |
3499 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
3500 | complete_operation(rule); | |
3501 | } | |
3502 | ||
3503 | static void | |
3504 | rule_destruct(struct rule *rule_) | |
3505 | { | |
3506 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
9fbe253e | 3507 | ovs_mutex_destroy(&rule->stats_mutex); |
abe529af BP |
3508 | } |
3509 | ||
3510 | static void | |
dc437090 JR |
3511 | rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes, |
3512 | long long int *used) | |
abe529af BP |
3513 | { |
3514 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
abe529af | 3515 | |
9fbe253e | 3516 | ovs_mutex_lock(&rule->stats_mutex); |
1a4ec18d JS |
3517 | *packets = rule->stats.n_packets; |
3518 | *bytes = rule->stats.n_bytes; | |
3519 | *used = rule->stats.used; | |
9fbe253e | 3520 | ovs_mutex_unlock(&rule->stats_mutex); |
abe529af BP |
3521 | } |
3522 | ||
0a740f48 EJ |
3523 | static void |
3524 | rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow, | |
3525 | struct ofpbuf *packet) | |
abe529af | 3526 | { |
419460f4 AW |
3527 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); |
3528 | ||
3529 | ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet); | |
0a740f48 | 3530 | } |
5bf0e941 | 3531 | |
0a740f48 EJ |
3532 | static enum ofperr |
3533 | rule_execute(struct rule *rule, const struct flow *flow, | |
3534 | struct ofpbuf *packet) | |
3535 | { | |
3536 | rule_dpif_execute(rule_dpif_cast(rule), flow, packet); | |
3537 | ofpbuf_delete(packet); | |
5bf0e941 | 3538 | return 0; |
abe529af BP |
3539 | } |
3540 | ||
7ee20df1 | 3541 | static void |
b277c7cc | 3542 | rule_modify_actions(struct rule *rule_, bool reset_counters) |
15aaf599 | 3543 | OVS_REQUIRES(ofproto_mutex) |
abe529af BP |
3544 | { |
3545 | struct rule_dpif *rule = rule_dpif_cast(rule_); | |
7ee20df1 | 3546 | |
b277c7cc BP |
3547 | if (reset_counters) { |
3548 | ovs_mutex_lock(&rule->stats_mutex); | |
1a4ec18d JS |
3549 | rule->stats.n_packets = 0; |
3550 | rule->stats.n_bytes = 0; | |
b277c7cc BP |
3551 | ovs_mutex_unlock(&rule->stats_mutex); |
3552 | } | |
3553 | ||
7ee20df1 | 3554 | complete_operation(rule); |
abe529af | 3555 | } |
00430a3f SH |
3556 | |
3557 | static struct group_dpif *group_dpif_cast(const struct ofgroup *group) | |
3558 | { | |
3559 | return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL; | |
3560 | } | |
3561 | ||
3562 | static struct ofgroup * | |
3563 | group_alloc(void) | |
3564 | { | |
3565 | struct group_dpif *group = xzalloc(sizeof *group); | |
3566 | return &group->up; | |
3567 | } | |
3568 | ||
3569 | static void | |
3570 | group_dealloc(struct ofgroup *group_) | |
3571 | { | |
3572 | struct group_dpif *group = group_dpif_cast(group_); | |
3573 | free(group); | |
3574 | } | |
3575 | ||
3576 | static void | |
3577 | group_construct_stats(struct group_dpif *group) | |
3578 | OVS_REQUIRES(group->stats_mutex) | |
3579 | { | |
3580 | group->packet_count = 0; | |
3581 | group->byte_count = 0; | |
3582 | if (!group->bucket_stats) { | |
3583 | group->bucket_stats = xcalloc(group->up.n_buckets, | |
3584 | sizeof *group->bucket_stats); | |
3585 | } else { | |
3586 | memset(group->bucket_stats, 0, group->up.n_buckets * | |
3587 | sizeof *group->bucket_stats); | |
3588 | } | |
3589 | } | |
3590 | ||
3591 | static enum ofperr | |
3592 | group_construct(struct ofgroup *group_) | |
3593 | { | |
3594 | struct group_dpif *group = group_dpif_cast(group_); | |
5a070238 BP |
3595 | const struct ofputil_bucket *bucket; |
3596 | ||
3597 | /* Prevent group chaining because our locking structure makes it hard to | |
3598 | * implement deadlock-free. (See xlate_group_resource_check().) */ | |
3599 | LIST_FOR_EACH (bucket, list_node, &group->up.buckets) { | |
3600 | const struct ofpact *a; | |
3601 | ||
3602 | OFPACT_FOR_EACH (a, bucket->ofpacts, bucket->ofpacts_len) { | |
3603 | if (a->type == OFPACT_GROUP) { | |
3604 | return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED; | |
3605 | } | |
3606 | } | |
3607 | } | |
3608 | ||
97ba2d36 | 3609 | ovs_mutex_init_adaptive(&group->stats_mutex); |
00430a3f SH |
3610 | ovs_mutex_lock(&group->stats_mutex); |
3611 | group_construct_stats(group); | |
3612 | ovs_mutex_unlock(&group->stats_mutex); | |
3613 | return 0; | |
3614 | } | |
3615 | ||
3616 | static void | |
3617 | group_destruct__(struct group_dpif *group) | |
3618 | OVS_REQUIRES(group->stats_mutex) | |
3619 | { | |
3620 | free(group->bucket_stats); | |
3621 | group->bucket_stats = NULL; | |
3622 | } | |
3623 | ||
3624 | static void | |
3625 | group_destruct(struct ofgroup *group_) | |
3626 | { | |
3627 | struct group_dpif *group = group_dpif_cast(group_); | |
3628 | ovs_mutex_lock(&group->stats_mutex); | |
3629 | group_destruct__(group); | |
3630 | ovs_mutex_unlock(&group->stats_mutex); | |
3631 | ovs_mutex_destroy(&group->stats_mutex); | |
3632 | } | |
3633 | ||
3634 | static enum ofperr | |
3635 | group_modify(struct ofgroup *group_, struct ofgroup *victim_) | |
3636 | { | |
4c9dbc0b | 3637 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto); |
00430a3f SH |
3638 | struct group_dpif *group = group_dpif_cast(group_); |
3639 | struct group_dpif *victim = group_dpif_cast(victim_); | |
3640 | ||
3641 | ovs_mutex_lock(&group->stats_mutex); | |
3642 | if (victim->up.n_buckets < group->up.n_buckets) { | |
3643 | group_destruct__(group); | |
3644 | } | |
3645 | group_construct_stats(group); | |
3646 | ovs_mutex_unlock(&group->stats_mutex); | |
3647 | ||
4c9dbc0b BP |
3648 | ofproto->backer->need_revalidate = REV_FLOW_TABLE; |
3649 | ||
00430a3f SH |
3650 | return 0; |
3651 | } | |
3652 | ||
3653 | static enum ofperr | |
3654 | group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs) | |
3655 | { | |
3656 | struct group_dpif *group = group_dpif_cast(group_); | |
3657 | ||
00430a3f SH |
3658 | ovs_mutex_lock(&group->stats_mutex); |
3659 | ogs->packet_count = group->packet_count; | |
3660 | ogs->byte_count = group->byte_count; | |
3661 | memcpy(ogs->bucket_stats, group->bucket_stats, | |
3662 | group->up.n_buckets * sizeof *group->bucket_stats); | |
3663 | ovs_mutex_unlock(&group->stats_mutex); | |
3664 | ||
3665 | return 0; | |
3666 | } | |
f4fb341b SH |
3667 | |
3668 | bool | |
3669 | group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id, | |
3670 | struct group_dpif **group) | |
3671 | OVS_TRY_RDLOCK(true, (*group)->up.rwlock) | |
3672 | { | |
3673 | struct ofgroup *ofgroup; | |
3674 | bool found; | |
3675 | ||
3676 | *group = NULL; | |
3677 | found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup); | |
3678 | *group = found ? group_dpif_cast(ofgroup) : NULL; | |
3679 | ||
3680 | return found; | |
3681 | } | |
3682 | ||
3683 | void | |
3684 | group_dpif_release(struct group_dpif *group) | |
3685 | OVS_RELEASES(group->up.rwlock) | |
3686 | { | |
3687 | ofproto_group_release(&group->up); | |
3688 | } | |
3689 | ||
3690 | void | |
3691 | group_dpif_get_buckets(const struct group_dpif *group, | |
3692 | const struct list **buckets) | |
3693 | { | |
3694 | *buckets = &group->up.buckets; | |
3695 | } | |
3696 | ||
3697 | enum ofp11_group_type | |
3698 | group_dpif_get_type(const struct group_dpif *group) | |
3699 | { | |
3700 | return group->up.type; | |
3701 | } | |
abe529af | 3702 | \f |
97d6520b | 3703 | /* Sends 'packet' out 'ofport'. |
52a90c29 | 3704 | * May modify 'packet'. |
abe529af | 3705 | * Returns 0 if successful, otherwise a positive errno value. */ |
91d6cd12 AW |
3706 | int |
3707 | ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet) | |
abe529af | 3708 | { |
79e15b78 | 3709 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); |
abe529af BP |
3710 | int error; |
3711 | ||
91d6cd12 | 3712 | error = xlate_send_packet(ofport, packet); |
79e15b78 | 3713 | |
0da3c61b | 3714 | ovs_mutex_lock(&ofproto->stats_mutex); |
79e15b78 | 3715 | ofproto->stats.tx_packets++; |
1f317cb5 | 3716 | ofproto->stats.tx_bytes += ofpbuf_size(packet); |
0da3c61b | 3717 | ovs_mutex_unlock(&ofproto->stats_mutex); |
abe529af BP |
3718 | return error; |
3719 | } | |
9583bc14 EJ |
3720 | \f |
3721 | static bool | |
3722 | set_frag_handling(struct ofproto *ofproto_, | |
3723 | enum ofp_config_flags frag_handling) | |
abe529af BP |
3724 | { |
3725 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
7257b535 | 3726 | if (frag_handling != OFPC_FRAG_REASM) { |
2cc3c58e | 3727 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
7257b535 BP |
3728 | return true; |
3729 | } else { | |
3730 | return false; | |
3731 | } | |
abe529af BP |
3732 | } |
3733 | ||
90bf1e07 | 3734 | static enum ofperr |
419460f4 | 3735 | packet_out(struct ofproto *ofproto_, struct ofpbuf *packet, |
abe529af | 3736 | const struct flow *flow, |
f25d0cf3 | 3737 | const struct ofpact *ofpacts, size_t ofpacts_len) |
abe529af | 3738 | { |
419460f4 AW |
3739 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); |
3740 | ||
3741 | ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts, | |
3742 | ofpacts_len, packet); | |
548de4dd | 3743 | return 0; |
abe529af | 3744 | } |
6fca1ffb BP |
3745 | \f |
3746 | /* NetFlow. */ | |
3747 | ||
3748 | static int | |
3749 | set_netflow(struct ofproto *ofproto_, | |
3750 | const struct netflow_options *netflow_options) | |
3751 | { | |
3752 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3753 | ||
3754 | if (netflow_options) { | |
3755 | if (!ofproto->netflow) { | |
3756 | ofproto->netflow = netflow_create(); | |
7bab1576 | 3757 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
6fca1ffb BP |
3758 | } |
3759 | return netflow_set_options(ofproto->netflow, netflow_options); | |
7bab1576 EJ |
3760 | } else if (ofproto->netflow) { |
3761 | ofproto->backer->need_revalidate = REV_RECONFIGURE; | |
8e407f27 | 3762 | netflow_unref(ofproto->netflow); |
6fca1ffb | 3763 | ofproto->netflow = NULL; |
6fca1ffb | 3764 | } |
7bab1576 EJ |
3765 | |
3766 | return 0; | |
6fca1ffb | 3767 | } |
abe529af BP |
3768 | |
3769 | static void | |
3770 | get_netflow_ids(const struct ofproto *ofproto_, | |
3771 | uint8_t *engine_type, uint8_t *engine_id) | |
3772 | { | |
3773 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); | |
3774 | ||
acf60855 | 3775 | dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id); |
abe529af BP |
3776 | } |
3777 | \f | |
3778 | static struct ofproto_dpif * | |
3779 | ofproto_dpif_lookup(const char *name) | |
3780 | { | |
b44a10b7 BP |
3781 | struct ofproto_dpif *ofproto; |
3782 | ||
3783 | HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node, | |
3784 | hash_string(name, 0), &all_ofproto_dpifs) { | |
3785 | if (!strcmp(ofproto->up.name, name)) { | |
3786 | return ofproto; | |
3787 | } | |
3788 | } | |
3789 | return NULL; | |
abe529af BP |
3790 | } |
3791 | ||
f0a3aa2e | 3792 | static void |
96e466a3 | 3793 | ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc, |
0e15264f | 3794 | const char *argv[], void *aux OVS_UNUSED) |
f0a3aa2e | 3795 | { |
490df1ef | 3796 | struct ofproto_dpif *ofproto; |
f0a3aa2e | 3797 | |
96e466a3 EJ |
3798 | if (argc > 1) { |
3799 | ofproto = ofproto_dpif_lookup(argv[1]); | |
3800 | if (!ofproto) { | |
bde9f75d | 3801 | unixctl_command_reply_error(conn, "no such bridge"); |
96e466a3 EJ |
3802 | return; |
3803 | } | |
509c0149 | 3804 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 3805 | mac_learning_flush(ofproto->ml); |
509c0149 | 3806 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 EJ |
3807 | } else { |
3808 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
509c0149 | 3809 | ovs_rwlock_wrlock(&ofproto->ml->rwlock); |
30618594 | 3810 | mac_learning_flush(ofproto->ml); |
509c0149 | 3811 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
96e466a3 | 3812 | } |
f0a3aa2e | 3813 | } |
f0a3aa2e | 3814 | |
bde9f75d | 3815 | unixctl_command_reply(conn, "table successfully flushed"); |
f0a3aa2e AA |
3816 | } |
3817 | ||
46c88433 EJ |
3818 | static struct ofport_dpif * |
3819 | ofbundle_get_a_port(const struct ofbundle *bundle) | |
3820 | { | |
3821 | return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif, | |
3822 | bundle_node); | |
3823 | } | |
3824 | ||
abe529af | 3825 | static void |
0e15264f BP |
3826 | ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
3827 | const char *argv[], void *aux OVS_UNUSED) | |
abe529af BP |
3828 | { |
3829 | struct ds ds = DS_EMPTY_INITIALIZER; | |
3830 | const struct ofproto_dpif *ofproto; | |
3831 | const struct mac_entry *e; | |
3832 | ||
0e15264f | 3833 | ofproto = ofproto_dpif_lookup(argv[1]); |
abe529af | 3834 | if (!ofproto) { |
bde9f75d | 3835 | unixctl_command_reply_error(conn, "no such bridge"); |
abe529af BP |
3836 | return; |
3837 | } | |
3838 | ||
3839 | ds_put_cstr(&ds, " port VLAN MAC Age\n"); | |
509c0149 | 3840 | ovs_rwlock_rdlock(&ofproto->ml->rwlock); |
abe529af BP |
3841 | LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) { |
3842 | struct ofbundle *bundle = e->port.p; | |
ad28062f BP |
3843 | char name[OFP_MAX_PORT_NAME_LEN]; |
3844 | ||
3845 | ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port, | |
3846 | name, sizeof name); | |
3847 | ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n", | |
3848 | name, e->vlan, ETH_ADDR_ARGS(e->mac), | |
e764773c | 3849 | mac_entry_age(ofproto->ml, e)); |
abe529af | 3850 | } |
509c0149 | 3851 | ovs_rwlock_unlock(&ofproto->ml->rwlock); |
bde9f75d | 3852 | unixctl_command_reply(conn, ds_cstr(&ds)); |
abe529af BP |
3853 | ds_destroy(&ds); |
3854 | } | |
3855 | ||
6a6455e5 | 3856 | struct trace_ctx { |
bbafd73b EJ |
3857 | struct xlate_out xout; |
3858 | struct xlate_in xin; | |
ce58df5b | 3859 | const struct flow *key; |
abe529af | 3860 | struct flow flow; |
41a91a0b | 3861 | struct flow_wildcards wc; |
abe529af BP |
3862 | struct ds *result; |
3863 | }; | |
3864 | ||
3865 | static void | |
4d0acc70 | 3866 | trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule) |
abe529af | 3867 | { |
dc723c44 | 3868 | const struct rule_actions *actions; |
15aaf599 BP |
3869 | ovs_be64 cookie; |
3870 | ||
abe529af BP |
3871 | ds_put_char_multiple(result, '\t', level); |
3872 | if (!rule) { | |
3873 | ds_put_cstr(result, "No match\n"); | |
3874 | return; | |
3875 | } | |
3876 | ||
15aaf599 BP |
3877 | ovs_mutex_lock(&rule->up.mutex); |
3878 | cookie = rule->up.flow_cookie; | |
3879 | ovs_mutex_unlock(&rule->up.mutex); | |
3880 | ||
29901626 | 3881 | ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ", |
15aaf599 | 3882 | rule ? rule->up.table_id : 0, ntohll(cookie)); |
79feb7df | 3883 | cls_rule_format(&rule->up.cr, result); |
abe529af BP |
3884 | ds_put_char(result, '\n'); |
3885 | ||
15aaf599 BP |
3886 | actions = rule_dpif_get_actions(rule); |
3887 | ||
abe529af | 3888 | ds_put_char_multiple(result, '\t', level); |
455ecd77 | 3889 | ds_put_cstr(result, "OpenFlow actions="); |
15aaf599 | 3890 | ofpacts_format(actions->ofpacts, actions->ofpacts_len, result); |
abe529af BP |
3891 | ds_put_char(result, '\n'); |
3892 | } | |
3893 | ||
3894 | static void | |
3895 | trace_format_flow(struct ds *result, int level, const char *title, | |
bbafd73b | 3896 | struct trace_ctx *trace) |
abe529af BP |
3897 | { |
3898 | ds_put_char_multiple(result, '\t', level); | |
3899 | ds_put_format(result, "%s: ", title); | |
ce58df5b JR |
3900 | /* Do not report unchanged flows for resubmits. */ |
3901 | if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow)) | |
3902 | || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) { | |
abe529af BP |
3903 | ds_put_cstr(result, "unchanged"); |
3904 | } else { | |
bbafd73b EJ |
3905 | flow_format(result, &trace->xin.flow); |
3906 | trace->flow = trace->xin.flow; | |
abe529af BP |
3907 | } |
3908 | ds_put_char(result, '\n'); | |
3909 | } | |
3910 | ||
eb9e1c26 EJ |
3911 | static void |
3912 | trace_format_regs(struct ds *result, int level, const char *title, | |
6a6455e5 | 3913 | struct trace_ctx *trace) |
eb9e1c26 EJ |
3914 | { |
3915 | size_t i; | |
3916 | ||
3917 | ds_put_char_multiple(result, '\t', level); | |
3918 | ds_put_format(result, "%s:", title); | |
3919 | for (i = 0; i < FLOW_N_REGS; i++) { | |
34582733 | 3920 | ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]); |
eb9e1c26 EJ |
3921 | } |
3922 | ds_put_char(result, '\n'); | |
3923 | } | |
3924 | ||
1ed8d352 EJ |
3925 | static void |
3926 | trace_format_odp(struct ds *result, int level, const char *title, | |
6a6455e5 | 3927 | struct trace_ctx *trace) |
1ed8d352 | 3928 | { |
bbafd73b | 3929 | struct ofpbuf *odp_actions = &trace->xout.odp_actions; |
1ed8d352 EJ |
3930 | |
3931 | ds_put_char_multiple(result, '\t', level); | |
3932 | ds_put_format(result, "%s: ", title); | |
1f317cb5 PS |
3933 | format_odp_actions(result, ofpbuf_data(odp_actions), |
3934 | ofpbuf_size(odp_actions)); | |
1ed8d352 EJ |
3935 | ds_put_char(result, '\n'); |
3936 | } | |
3937 | ||
41a91a0b AW |
3938 | static void |
3939 | trace_format_megaflow(struct ds *result, int level, const char *title, | |
3940 | struct trace_ctx *trace) | |
3941 | { | |
3942 | struct match match; | |
3943 | ||
3944 | ds_put_char_multiple(result, '\t', level); | |
3945 | ds_put_format(result, "%s: ", title); | |
3946 | flow_wildcards_or(&trace->wc, &trace->xout.wc, &trace->wc); | |
ce58df5b | 3947 | match_init(&match, trace->key, &trace->wc); |
41a91a0b AW |
3948 | match_format(&match, result, OFP_DEFAULT_PRIORITY); |
3949 | ds_put_char(result, '\n'); | |
3950 | } | |
3951 | ||
abe529af | 3952 | static void |
4d0acc70 | 3953 | trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse) |
abe529af | 3954 | { |
4d0acc70 | 3955 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
abe529af BP |
3956 | struct ds *result = trace->result; |
3957 | ||
3958 | ds_put_char(result, '\n'); | |
4d0acc70 EJ |
3959 | trace_format_flow(result, recurse + 1, "Resubmitted flow", trace); |
3960 | trace_format_regs(result, recurse + 1, "Resubmitted regs", trace); | |
3961 | trace_format_odp(result, recurse + 1, "Resubmitted odp", trace); | |
41a91a0b | 3962 | trace_format_megaflow(result, recurse + 1, "Resubmitted megaflow", trace); |
4d0acc70 | 3963 | trace_format_rule(result, recurse + 1, rule); |
abe529af BP |
3964 | } |
3965 | ||
479df176 | 3966 | static void |
4d0acc70 | 3967 | trace_report(struct xlate_in *xin, const char *s, int recurse) |
479df176 | 3968 | { |
4d0acc70 | 3969 | struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin); |
479df176 BP |
3970 | struct ds *result = trace->result; |
3971 | ||
4d0acc70 | 3972 | ds_put_char_multiple(result, '\t', recurse); |
479df176 BP |
3973 | ds_put_cstr(result, s); |
3974 | ds_put_char(result, '\n'); | |
3975 | } | |
3976 | ||
b6f00895 BP |
3977 | /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following |
3978 | * forms are supported: | |
3979 | * | |
3980 | * - [dpname] odp_flow [-generate | packet] | |
3981 | * - bridge br_flow [-generate | packet] | |
3982 | * | |
3983 | * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure | |
316078c7 JR |
3984 | * returns a nonnull malloced error message. */ |
3985 | static char * WARN_UNUSED_RESULT | |
b6f00895 BP |
3986 | parse_flow_and_packet(int argc, const char *argv[], |
3987 | struct ofproto_dpif **ofprotop, struct flow *flow, | |
3988 | struct ofpbuf **packetp) | |
abe529af | 3989 | { |
0a37839c | 3990 | const struct dpif_backer *backer = NULL; |
b6f00895 | 3991 | const char *error = NULL; |
316078c7 | 3992 | char *m_err = NULL; |
b6f00895 | 3993 | struct simap port_names = SIMAP_INITIALIZER(&port_names); |
876b0e1c | 3994 | struct ofpbuf *packet; |
b6f00895 BP |
3995 | struct ofpbuf odp_key; |
3996 | struct ofpbuf odp_mask; | |
abe529af | 3997 | |
50aa28fd | 3998 | ofpbuf_init(&odp_key, 0); |
ea5e3887 | 3999 | ofpbuf_init(&odp_mask, 0); |
abe529af | 4000 | |
50aa28fd AW |
4001 | /* Handle "-generate" or a hex string as the last argument. */ |
4002 | if (!strcmp(argv[argc - 1], "-generate")) { | |
4003 | packet = ofpbuf_new(0); | |
4004 | argc--; | |
4005 | } else { | |
b6f00895 | 4006 | error = eth_from_hex(argv[argc - 1], &packet); |
50aa28fd AW |
4007 | if (!error) { |
4008 | argc--; | |
4009 | } else if (argc == 4) { | |
4010 | /* The 3-argument form must end in "-generate' or a hex string. */ | |
50aa28fd AW |
4011 | goto exit; |
4012 | } | |
316078c7 | 4013 | error = NULL; |
e84173dc | 4014 | } |
876b0e1c | 4015 | |
0a37839c GS |
4016 | /* odp_flow can have its in_port specified as a name instead of port no. |
4017 | * We do not yet know whether a given flow is a odp_flow or a br_flow. | |
4018 | * But, to know whether a flow is odp_flow through odp_flow_from_string(), | |
4019 | * we need to create a simap of name to port no. */ | |
4020 | if (argc == 3) { | |
4021 | const char *dp_type; | |
4022 | if (!strncmp(argv[1], "ovs-", 4)) { | |
4023 | dp_type = argv[1] + 4; | |
4024 | } else { | |
4025 | dp_type = argv[1]; | |
4026 | } | |
4027 | backer = shash_find_data(&all_dpif_backers, dp_type); | |
b6f00895 | 4028 | } else if (argc == 2) { |
0a37839c GS |
4029 | struct shash_node *node; |
4030 | if (shash_count(&all_dpif_backers) == 1) { | |
4031 | node = shash_first(&all_dpif_backers); | |
4032 | backer = node->data; | |
4033 | } | |
b6f00895 BP |
4034 | } else { |
4035 | error = "Syntax error"; | |
4036 | goto exit; | |
0a37839c GS |
4037 | } |
4038 | if (backer && backer->dpif) { | |
4039 | struct dpif_port dpif_port; | |
4040 | struct dpif_port_dump port_dump; | |
4041 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) { | |
4042 | simap_put(&port_names, dpif_port.name, | |
4043 | odp_to_u32(dpif_port.port_no)); | |
4044 | } | |
4045 | } | |
4046 | ||
50aa28fd AW |
4047 | /* Parse the flow and determine whether a datapath or |
4048 | * bridge is specified. If function odp_flow_key_from_string() | |
4049 | * returns 0, the flow is a odp_flow. If function | |
316078c7 | 4050 | * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */ |
b6f00895 BP |
4051 | if (!odp_flow_from_string(argv[argc - 1], &port_names, |
4052 | &odp_key, &odp_mask)) { | |
0a37839c | 4053 | if (!backer) { |
b6f00895 | 4054 | error = "Cannot find the datapath"; |
0a37839c | 4055 | goto exit; |
876b0e1c | 4056 | } |
8b3b8dd1 | 4057 | |
1f317cb5 PS |
4058 | if (xlate_receive(backer, NULL, ofpbuf_data(&odp_key), |
4059 | ofpbuf_size(&odp_key), flow, | |
836fbda7 | 4060 | ofprotop, NULL, NULL, NULL, NULL)) { |
b6f00895 | 4061 | error = "Invalid datapath flow"; |
50aa28fd | 4062 | goto exit; |
8b3b8dd1 | 4063 | } |
316078c7 JR |
4064 | } else { |
4065 | char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL); | |
876b0e1c | 4066 | |
316078c7 JR |
4067 | if (err) { |
4068 | m_err = xasprintf("Bad flow syntax: %s", err); | |
4069 | free(err); | |
50aa28fd | 4070 | goto exit; |
316078c7 JR |
4071 | } else { |
4072 | if (argc != 3) { | |
4073 | error = "Must specify bridge name"; | |
4074 | goto exit; | |
4075 | } | |
4076 | ||
4077 | *ofprotop = ofproto_dpif_lookup(argv[1]); | |
4078 | if (!*ofprotop) { | |
4079 | error = "Unknown bridge name"; | |
4080 | goto exit; | |
4081 | } | |
50aa28fd | 4082 | } |
abe529af BP |
4083 | } |
4084 | ||
50aa28fd AW |
4085 | /* Generate a packet, if requested. */ |
4086 | if (packet) { | |
1f317cb5 | 4087 | if (!ofpbuf_size(packet)) { |
b6f00895 | 4088 | flow_compose(packet, flow); |
50aa28fd | 4089 | } else { |
fc3431c6 | 4090 | struct pkt_metadata md = pkt_metadata_from_flow(flow); |
50aa28fd AW |
4091 | |
4092 | /* Use the metadata from the flow and the packet argument | |
4093 | * to reconstruct the flow. */ | |
b5e7e61a | 4094 | flow_extract(packet, &md, flow); |
50aa28fd AW |
4095 | } |
4096 | } | |
4097 | ||
6a6455e5 | 4098 | exit: |
316078c7 JR |
4099 | if (error && !m_err) { |
4100 | m_err = xstrdup(error); | |
4101 | } | |
4102 | if (m_err) { | |
b6f00895 BP |
4103 | ofpbuf_delete(packet); |
4104 | packet = NULL; | |
4105 | } | |
4106 | *packetp = packet; | |
6a6455e5 | 4107 | ofpbuf_uninit(&odp_key); |
ea5e3887 | 4108 | ofpbuf_uninit(&odp_mask); |
0a37839c | 4109 | simap_destroy(&port_names); |
316078c7 | 4110 | return m_err; |
b6f00895 BP |
4111 | } |
4112 | ||
4113 | static void | |
4114 | ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[], | |
4115 | void *aux OVS_UNUSED) | |
4116 | { | |
4117 | struct ofproto_dpif *ofproto; | |
4118 | struct ofpbuf *packet; | |
316078c7 | 4119 | char *error; |
b6f00895 BP |
4120 | struct flow flow; |
4121 | ||
4122 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
4123 | if (!error) { | |
4124 | struct ds result; | |
4125 | ||
4126 | ds_init(&result); | |
aee0979b | 4127 | ofproto_trace(ofproto, &flow, packet, NULL, 0, &result); |
b6f00895 BP |
4128 | unixctl_command_reply(conn, ds_cstr(&result)); |
4129 | ds_destroy(&result); | |
4130 | ofpbuf_delete(packet); | |
4131 | } else { | |
4132 | unixctl_command_reply_error(conn, error); | |
316078c7 | 4133 | free(error); |
b6f00895 | 4134 | } |
6a6455e5 EJ |
4135 | } |
4136 | ||
aee0979b BP |
4137 | static void |
4138 | ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc, | |
4139 | const char *argv[], void *aux OVS_UNUSED) | |
4140 | { | |
4141 | enum ofputil_protocol usable_protocols; | |
4142 | struct ofproto_dpif *ofproto; | |
4143 | bool enforce_consistency; | |
4144 | struct ofpbuf ofpacts; | |
4145 | struct ofpbuf *packet; | |
4146 | struct ds result; | |
4147 | struct flow flow; | |
4148 | uint16_t in_port; | |
4149 | ||
4150 | /* Three kinds of error return values! */ | |
4151 | enum ofperr retval; | |
316078c7 | 4152 | char *error; |
aee0979b BP |
4153 | |
4154 | packet = NULL; | |
4155 | ds_init(&result); | |
4156 | ofpbuf_init(&ofpacts, 0); | |
4157 | ||
4158 | /* Parse actions. */ | |
316078c7 JR |
4159 | error = parse_ofpacts(argv[--argc], &ofpacts, &usable_protocols); |
4160 | if (error) { | |
4161 | unixctl_command_reply_error(conn, error); | |
4162 | free(error); | |
aee0979b BP |
4163 | goto exit; |
4164 | } | |
4165 | ||
4166 | /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of | |
ba2fe8e9 BP |
4167 | * consistency between the flow and the actions. With -consistent, we |
4168 | * enforce consistency even for a flow supported in OpenFlow 1.0. */ | |
aee0979b BP |
4169 | if (!strcmp(argv[1], "-consistent")) { |
4170 | enforce_consistency = true; | |
4171 | argv++; | |
4172 | argc--; | |
ba2fe8e9 BP |
4173 | } else { |
4174 | enforce_consistency = false; | |
aee0979b BP |
4175 | } |
4176 | ||
4177 | error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet); | |
4178 | if (error) { | |
4179 | unixctl_command_reply_error(conn, error); | |
316078c7 | 4180 | free(error); |
aee0979b BP |
4181 | goto exit; |
4182 | } | |
4183 | ||
4184 | /* Do the same checks as handle_packet_out() in ofproto.c. | |
4185 | * | |
4186 | * We pass a 'table_id' of 0 to ofproto_check_ofpacts(), which isn't | |
4187 | * strictly correct because these actions aren't in any table, but it's OK | |
4188 | * because it 'table_id' is used only to check goto_table instructions, but | |
4189 | * packet-outs take a list of actions and therefore it can't include | |
4190 | * instructions. | |
4191 | * | |
4192 | * We skip the "meter" check here because meter is an instruction, not an | |
4193 | * action, and thus cannot appear in ofpacts. */ | |
4194 | in_port = ofp_to_u16(flow.in_port.ofp_port); | |
4195 | if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) { | |
4196 | unixctl_command_reply_error(conn, "invalid in_port"); | |
4197 | goto exit; | |
4198 | } | |
ba2fe8e9 | 4199 | if (enforce_consistency) { |
1f317cb5 PS |
4200 | retval = ofpacts_check_consistency(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), |
4201 | &flow, u16_to_ofp(ofproto->up.max_ports), | |
ba2fe8e9 BP |
4202 | 0, 0, usable_protocols); |
4203 | } else { | |
1f317cb5 | 4204 | retval = ofpacts_check(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &flow, |
ba2fe8e9 BP |
4205 | u16_to_ofp(ofproto->up.max_ports), 0, 0, |
4206 | &usable_protocols); | |
4207 | } | |
4208 | ||
aee0979b BP |
4209 | if (retval) { |
4210 | ds_clear(&result); | |
4211 | ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval)); | |
4212 | unixctl_command_reply_error(conn, ds_cstr(&result)); | |
4213 | goto exit; | |
4214 | } | |
4215 | ||
1f317cb5 PS |
4216 | ofproto_trace(ofproto, &flow, packet, |
4217 | ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &result); | |
aee0979b BP |
4218 | unixctl_command_reply(conn, ds_cstr(&result)); |
4219 | ||
4220 | exit: | |
4221 | ds_destroy(&result); | |
4222 | ofpbuf_delete(packet); | |
4223 | ofpbuf_uninit(&ofpacts); | |
4224 | } | |
4225 | ||
4226 | /* Implements a "trace" through 'ofproto''s flow table, appending a textual | |
4227 | * description of the results to 'ds'. | |
4228 | * | |
4229 | * The trace follows a packet with the specified 'flow' through the flow | |
4230 | * table. 'packet' may be nonnull to trace an actual packet, with consequent | |
4231 | * side effects (if it is nonnull then its flow must be 'flow'). | |
4232 | * | |
4233 | * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to | |
4234 | * trace, otherwise the actions are determined by a flow table lookup. */ | |
ade6ad9c | 4235 | static void |
adcf00ba | 4236 | ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow, |
aee0979b BP |
4237 | const struct ofpbuf *packet, |
4238 | const struct ofpact ofpacts[], size_t ofpacts_len, | |
4239 | struct ds *ds) | |
6a6455e5 EJ |
4240 | { |
4241 | struct rule_dpif *rule; | |
41a91a0b | 4242 | struct trace_ctx trace; |
6a6455e5 | 4243 | |
aee0979b | 4244 | ds_put_format(ds, "Bridge: %s\n", ofproto->up.name); |
6a6455e5 EJ |
4245 | ds_put_cstr(ds, "Flow: "); |
4246 | flow_format(ds, flow); | |
4247 | ds_put_char(ds, '\n'); | |
abe529af | 4248 | |
41a91a0b | 4249 | flow_wildcards_init_catchall(&trace.wc); |
aee0979b BP |
4250 | if (ofpacts) { |
4251 | rule = NULL; | |
4252 | } else { | |
1a7c0cd7 | 4253 | rule_dpif_lookup(ofproto, flow, &trace.wc, &rule, false); |
aee0979b BP |
4254 | |
4255 | trace_format_rule(ds, 0, rule); | |
4256 | if (rule == ofproto->miss_rule) { | |
4257 | ds_put_cstr(ds, "\nNo match, flow generates \"packet in\"s.\n"); | |
4258 | } else if (rule == ofproto->no_packet_in_rule) { | |
4259 | ds_put_cstr(ds, "\nNo match, packets dropped because " | |
4260 | "OFPPC_NO_PACKET_IN is set on in_port.\n"); | |
4261 | } else if (rule == ofproto->drop_frags_rule) { | |
4262 | ds_put_cstr(ds, "\nPackets dropped because they are IP fragments " | |
4263 | "and the fragment handling mode is \"drop\".\n"); | |
4264 | } | |
c57b2226 BP |
4265 | } |
4266 | ||
aee0979b | 4267 | if (rule || ofpacts) { |
6a6455e5 | 4268 | trace.result = ds; |
ce58df5b JR |
4269 | trace.key = flow; /* Original flow key, used for megaflow. */ |
4270 | trace.flow = *flow; /* May be modified by actions. */ | |
e0eecb1c JR |
4271 | xlate_in_init(&trace.xin, ofproto, flow, rule, ntohs(flow->tcp_flags), |
4272 | packet); | |
aee0979b BP |
4273 | if (ofpacts) { |
4274 | trace.xin.ofpacts = ofpacts; | |
4275 | trace.xin.ofpacts_len = ofpacts_len; | |
4276 | } | |
bbafd73b EJ |
4277 | trace.xin.resubmit_hook = trace_resubmit; |
4278 | trace.xin.report_hook = trace_report; | |
bcd2633a | 4279 | |
bbafd73b | 4280 | xlate_actions(&trace.xin, &trace.xout); |
abe529af | 4281 | |
6a6455e5 EJ |
4282 | ds_put_char(ds, '\n'); |
4283 | trace_format_flow(ds, 0, "Final flow", &trace); | |
41a91a0b | 4284 | trace_format_megaflow(ds, 0, "Megaflow", &trace); |
bcd2633a | 4285 | |
6a6455e5 | 4286 | ds_put_cstr(ds, "Datapath actions: "); |
1f317cb5 PS |
4287 | format_odp_actions(ds, ofpbuf_data(&trace.xout.odp_actions), |
4288 | ofpbuf_size(&trace.xout.odp_actions)); | |
876b0e1c | 4289 | |
bbafd73b | 4290 | if (trace.xout.slow) { |
04594cd5 BP |
4291 | enum slow_path_reason slow; |
4292 | ||
6a7e895f BP |
4293 | ds_put_cstr(ds, "\nThis flow is handled by the userspace " |
4294 | "slow path because it:"); | |
04594cd5 BP |
4295 | |
4296 | slow = trace.xout.slow; | |
4297 | while (slow) { | |
4298 | enum slow_path_reason bit = rightmost_1bit(slow); | |
4299 | ||
4300 | ds_put_format(ds, "\n\t- %s.", | |
4301 | slow_path_reason_to_explanation(bit)); | |
4302 | ||
4303 | slow &= ~bit; | |
6a7e895f | 4304 | } |
876b0e1c | 4305 | } |
bbafd73b EJ |
4306 | |
4307 | xlate_out_uninit(&trace.xout); | |
abe529af | 4308 | } |
abe529af BP |
4309 | } |
4310 | ||
27022416 JP |
4311 | /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list |
4312 | * of the 'ofproto_shash' nodes. It is the responsibility of the caller | |
4313 | * to destroy 'ofproto_shash' and free the returned value. */ | |
4314 | static const struct shash_node ** | |
4315 | get_ofprotos(struct shash *ofproto_shash) | |
4316 | { | |
4317 | const struct ofproto_dpif *ofproto; | |
4318 | ||
4319 | HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { | |
4320 | char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name); | |
4321 | shash_add_nocopy(ofproto_shash, name, ofproto); | |
4322 | } | |
4323 | ||
4324 | return shash_sort(ofproto_shash); | |
4325 | } | |
4326 | ||
4327 | static void | |
4328 | ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4329 | const char *argv[] OVS_UNUSED, | |
4330 | void *aux OVS_UNUSED) | |
4331 | { | |
4332 | struct ds ds = DS_EMPTY_INITIALIZER; | |
4333 | struct shash ofproto_shash; | |
4334 | const struct shash_node **sorted_ofprotos; | |
4335 | int i; | |
4336 | ||
4337 | shash_init(&ofproto_shash); | |
4338 | sorted_ofprotos = get_ofprotos(&ofproto_shash); | |
4339 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
4340 | const struct shash_node *node = sorted_ofprotos[i]; | |
4341 | ds_put_format(&ds, "%s\n", node->name); | |
4342 | } | |
4343 | ||
4344 | shash_destroy(&ofproto_shash); | |
4345 | free(sorted_ofprotos); | |
4346 | ||
4347 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4348 | ds_destroy(&ds); | |
4349 | } | |
4350 | ||
dc54ef36 EJ |
4351 | static void |
4352 | dpif_show_backer(const struct dpif_backer *backer, struct ds *ds) | |
27022416 | 4353 | { |
dc54ef36 | 4354 | const struct shash_node **ofprotos; |
e79a6c83 | 4355 | struct dpif_dp_stats dp_stats; |
dc54ef36 | 4356 | struct shash ofproto_shash; |
09672174 | 4357 | size_t i; |
655ab909 | 4358 | |
e79a6c83 | 4359 | dpif_get_dp_stats(backer->dpif, &dp_stats); |
655ab909 | 4360 | |
dc54ef36 | 4361 | ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n", |
e79a6c83 | 4362 | dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed); |
dc54ef36 | 4363 | |
dc54ef36 EJ |
4364 | shash_init(&ofproto_shash); |
4365 | ofprotos = get_ofprotos(&ofproto_shash); | |
4366 | for (i = 0; i < shash_count(&ofproto_shash); i++) { | |
4367 | struct ofproto_dpif *ofproto = ofprotos[i]->data; | |
4368 | const struct shash_node **ports; | |
4369 | size_t j; | |
0a740f48 | 4370 | |
dc54ef36 EJ |
4371 | if (ofproto->backer != backer) { |
4372 | continue; | |
0a740f48 | 4373 | } |
27022416 | 4374 | |
e79a6c83 | 4375 | ds_put_format(ds, "\t%s:\n", ofproto->up.name); |
dc54ef36 EJ |
4376 | |
4377 | ports = shash_sort(&ofproto->up.port_by_name); | |
4378 | for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) { | |
4379 | const struct shash_node *node = ports[j]; | |
4380 | struct ofport *ofport = node->data; | |
4381 | struct smap config; | |
4e022ec0 | 4382 | odp_port_t odp_port; |
27022416 | 4383 | |
dc54ef36 EJ |
4384 | ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev), |
4385 | ofport->ofp_port); | |
27022416 | 4386 | |
dc54ef36 | 4387 | odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port); |
4e022ec0 | 4388 | if (odp_port != ODPP_NONE) { |
dc54ef36 EJ |
4389 | ds_put_format(ds, "%"PRIu32":", odp_port); |
4390 | } else { | |
4391 | ds_put_cstr(ds, "none:"); | |
4392 | } | |
27022416 | 4393 | |
dc54ef36 | 4394 | ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev)); |
27022416 | 4395 | |
dc54ef36 EJ |
4396 | smap_init(&config); |
4397 | if (!netdev_get_config(ofport->netdev, &config)) { | |
4398 | const struct smap_node **nodes; | |
4399 | size_t i; | |
27022416 | 4400 | |
dc54ef36 EJ |
4401 | nodes = smap_sort(&config); |
4402 | for (i = 0; i < smap_count(&config); i++) { | |
4403 | const struct smap_node *node = nodes[i]; | |
4404 | ds_put_format(ds, "%c %s=%s", i ? ',' : ':', | |
4405 | node->key, node->value); | |
4406 | } | |
4407 | free(nodes); | |
27022416 | 4408 | } |
dc54ef36 EJ |
4409 | smap_destroy(&config); |
4410 | ||
27022416 | 4411 | ds_put_char(ds, ')'); |
dc54ef36 | 4412 | ds_put_char(ds, '\n'); |
27022416 | 4413 | } |
dc54ef36 | 4414 | free(ports); |
27022416 | 4415 | } |
dc54ef36 EJ |
4416 | shash_destroy(&ofproto_shash); |
4417 | free(ofprotos); | |
27022416 JP |
4418 | } |
4419 | ||
4420 | static void | |
dc54ef36 EJ |
4421 | ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
4422 | const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED) | |
27022416 JP |
4423 | { |
4424 | struct ds ds = DS_EMPTY_INITIALIZER; | |
dc54ef36 EJ |
4425 | const struct shash_node **backers; |
4426 | int i; | |
27022416 | 4427 | |
dc54ef36 EJ |
4428 | backers = shash_sort(&all_dpif_backers); |
4429 | for (i = 0; i < shash_count(&all_dpif_backers); i++) { | |
4430 | dpif_show_backer(backers[i]->data, &ds); | |
27022416 | 4431 | } |
dc54ef36 | 4432 | free(backers); |
27022416 JP |
4433 | |
4434 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4435 | ds_destroy(&ds); | |
4436 | } | |
4437 | ||
1b849273 JS |
4438 | static bool |
4439 | ofproto_dpif_contains_flow(const struct ofproto_dpif *ofproto, | |
4440 | const struct nlattr *key, size_t key_len) | |
4441 | { | |
1b849273 JS |
4442 | struct ofproto_dpif *ofp; |
4443 | struct flow flow; | |
4444 | ||
836fbda7 | 4445 | xlate_receive(ofproto->backer, NULL, key, key_len, &flow, &ofp, |
1b849273 JS |
4446 | NULL, NULL, NULL, NULL); |
4447 | return ofp == ofproto; | |
4448 | } | |
4449 | ||
27022416 JP |
4450 | static void |
4451 | ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn, | |
4452 | int argc OVS_UNUSED, const char *argv[], | |
4453 | void *aux OVS_UNUSED) | |
4454 | { | |
4455 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1b849273 | 4456 | const struct dpif_flow_stats *stats; |
27022416 | 4457 | const struct ofproto_dpif *ofproto; |
1b849273 JS |
4458 | struct dpif_flow_dump flow_dump; |
4459 | const struct nlattr *actions; | |
4460 | const struct nlattr *mask; | |
4461 | const struct nlattr *key; | |
4462 | size_t actions_len; | |
4463 | size_t mask_len; | |
4464 | size_t key_len; | |
04b541df GS |
4465 | bool verbosity = false; |
4466 | struct dpif_port dpif_port; | |
4467 | struct dpif_port_dump port_dump; | |
4468 | struct hmap portno_names; | |
d2ad7ef1 | 4469 | void *state = NULL; |
938eaa50 | 4470 | int error; |
27022416 | 4471 | |
04b541df | 4472 | ofproto = ofproto_dpif_lookup(argv[argc - 1]); |
27022416 JP |
4473 | if (!ofproto) { |
4474 | unixctl_command_reply_error(conn, "no such bridge"); | |
4475 | return; | |
4476 | } | |
4477 | ||
04b541df GS |
4478 | if (argc > 2 && !strcmp(argv[1], "-m")) { |
4479 | verbosity = true; | |
4480 | } | |
4481 | ||
4482 | hmap_init(&portno_names); | |
4483 | DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) { | |
4484 | odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name); | |
4485 | } | |
4486 | ||
1b849273 | 4487 | ds_init(&ds); |
938eaa50 JS |
4488 | error = dpif_flow_dump_start(&flow_dump, ofproto->backer->dpif); |
4489 | if (error) { | |
4490 | goto exit; | |
4491 | } | |
d2ad7ef1 JS |
4492 | dpif_flow_dump_state_init(ofproto->backer->dpif, &state); |
4493 | while (dpif_flow_dump_next(&flow_dump, state, &key, &key_len, | |
4494 | &mask, &mask_len, &actions, &actions_len, | |
4495 | &stats)) { | |
1b849273 | 4496 | if (!ofproto_dpif_contains_flow(ofproto, key, key_len)) { |
04d08d54 EJ |
4497 | continue; |
4498 | } | |
4499 | ||
04b541df GS |
4500 | odp_flow_format(key, key_len, mask, mask_len, &portno_names, &ds, |
4501 | verbosity); | |
1b849273 JS |
4502 | ds_put_cstr(&ds, ", "); |
4503 | dpif_flow_stats_format(stats, &ds); | |
27022416 | 4504 | ds_put_cstr(&ds, ", actions:"); |
1b849273 | 4505 | format_odp_actions(&ds, actions, actions_len); |
27022416 JP |
4506 | ds_put_char(&ds, '\n'); |
4507 | } | |
d2ad7ef1 | 4508 | dpif_flow_dump_state_uninit(ofproto->backer->dpif, state); |
938eaa50 | 4509 | error = dpif_flow_dump_done(&flow_dump); |
27022416 | 4510 | |
938eaa50 JS |
4511 | exit: |
4512 | if (error) { | |
1b849273 JS |
4513 | ds_clear(&ds); |
4514 | ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno)); | |
4515 | unixctl_command_reply_error(conn, ds_cstr(&ds)); | |
4516 | } else { | |
4517 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
4518 | } | |
04b541df GS |
4519 | odp_portno_names_destroy(&portno_names); |
4520 | hmap_destroy(&portno_names); | |
27022416 JP |
4521 | ds_destroy(&ds); |
4522 | } | |
4523 | ||
abe529af BP |
4524 | static void |
4525 | ofproto_dpif_unixctl_init(void) | |
4526 | { | |
4527 | static bool registered; | |
4528 | if (registered) { | |
4529 | return; | |
4530 | } | |
4531 | registered = true; | |
4532 | ||
0e15264f BP |
4533 | unixctl_command_register( |
4534 | "ofproto/trace", | |
dc8ce81f | 4535 | "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]", |
50aa28fd | 4536 | 1, 3, ofproto_unixctl_trace, NULL); |
aee0979b BP |
4537 | unixctl_command_register( |
4538 | "ofproto/trace-packet-out", | |
4539 | "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions", | |
4540 | 2, 6, ofproto_unixctl_trace_actions, NULL); | |
96e466a3 | 4541 | unixctl_command_register("fdb/flush", "[bridge]", 0, 1, |
0e15264f BP |
4542 | ofproto_unixctl_fdb_flush, NULL); |
4543 | unixctl_command_register("fdb/show", "bridge", 1, 1, | |
4544 | ofproto_unixctl_fdb_show, NULL); | |
27022416 JP |
4545 | unixctl_command_register("dpif/dump-dps", "", 0, 0, |
4546 | ofproto_unixctl_dpif_dump_dps, NULL); | |
dc54ef36 EJ |
4547 | unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show, |
4548 | NULL); | |
04b541df | 4549 | unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2, |
27022416 | 4550 | ofproto_unixctl_dpif_dump_flows, NULL); |
abe529af | 4551 | } |
32260212 SH |
4552 | |
4553 | ||
4554 | /* Returns true if 'rule' is an internal rule, false otherwise. */ | |
4555 | bool | |
4556 | rule_is_internal(const struct rule *rule) | |
4557 | { | |
4558 | return rule->table_id == TBL_INTERNAL; | |
4559 | } | |
abe529af | 4560 | \f |
52a90c29 BP |
4561 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) |
4562 | * | |
4563 | * This is deprecated. It is only for compatibility with broken device drivers | |
4564 | * in old versions of Linux that do not properly support VLANs when VLAN | |
4565 | * devices are not used. When broken device drivers are no longer in | |
4566 | * widespread use, we will delete these interfaces. */ | |
4567 | ||
4568 | static int | |
4e022ec0 | 4569 | set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
4570 | { |
4571 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto); | |
4572 | struct ofport_dpif *ofport = ofport_dpif_cast(ofport_); | |
4573 | ||
4574 | if (realdev_ofp_port == ofport->realdev_ofp_port | |
4575 | && vid == ofport->vlandev_vid) { | |
4576 | return 0; | |
4577 | } | |
4578 | ||
2cc3c58e | 4579 | ofproto->backer->need_revalidate = REV_RECONFIGURE; |
52a90c29 BP |
4580 | |
4581 | if (ofport->realdev_ofp_port) { | |
4582 | vsp_remove(ofport); | |
4583 | } | |
4584 | if (realdev_ofp_port && ofport->bundle) { | |
4585 | /* vlandevs are enslaved to their realdevs, so they are not allowed to | |
4586 | * themselves be part of a bundle. */ | |
adcf00ba | 4587 | bundle_set(ofport_->ofproto, ofport->bundle, NULL); |
52a90c29 BP |
4588 | } |
4589 | ||
4590 | ofport->realdev_ofp_port = realdev_ofp_port; | |
4591 | ofport->vlandev_vid = vid; | |
4592 | ||
4593 | if (realdev_ofp_port) { | |
4594 | vsp_add(ofport, realdev_ofp_port, vid); | |
4595 | } | |
4596 | ||
4597 | return 0; | |
4598 | } | |
4599 | ||
4600 | static uint32_t | |
4e022ec0 | 4601 | hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid) |
52a90c29 | 4602 | { |
4e022ec0 | 4603 | return hash_2words(ofp_to_u16(realdev_ofp_port), vid); |
52a90c29 BP |
4604 | } |
4605 | ||
46c88433 EJ |
4606 | bool |
4607 | ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto) | |
13501305 | 4608 | OVS_EXCLUDED(ofproto->vsp_mutex) |
46c88433 | 4609 | { |
7614e5d0 JR |
4610 | /* hmap_is_empty is thread safe. */ |
4611 | return !hmap_is_empty(&ofproto->realdev_vid_map); | |
46c88433 EJ |
4612 | } |
4613 | ||
f5374617 | 4614 | |
13501305 EJ |
4615 | static ofp_port_t |
4616 | vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto, | |
4617 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
4618 | OVS_REQUIRES(ofproto->vsp_mutex) | |
52a90c29 BP |
4619 | { |
4620 | if (!hmap_is_empty(&ofproto->realdev_vid_map)) { | |
52a90c29 BP |
4621 | int vid = vlan_tci_to_vid(vlan_tci); |
4622 | const struct vlan_splinter *vsp; | |
4623 | ||
4624 | HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node, | |
4625 | hash_realdev_vid(realdev_ofp_port, vid), | |
4626 | &ofproto->realdev_vid_map) { | |
4627 | if (vsp->realdev_ofp_port == realdev_ofp_port | |
4628 | && vsp->vid == vid) { | |
deea1200 | 4629 | return vsp->vlandev_ofp_port; |
52a90c29 BP |
4630 | } |
4631 | } | |
4632 | } | |
deea1200 | 4633 | return realdev_ofp_port; |
52a90c29 BP |
4634 | } |
4635 | ||
13501305 EJ |
4636 | /* Returns the OFP port number of the Linux VLAN device that corresponds to |
4637 | * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in | |
4638 | * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and | |
4639 | * 'vlan_tci' 9, it would return the port number of eth0.9. | |
4640 | * | |
4641 | * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this | |
4642 | * function just returns its 'realdev_ofp_port' argument. */ | |
4643 | ofp_port_t | |
4644 | vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto, | |
4645 | ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci) | |
4646 | OVS_EXCLUDED(ofproto->vsp_mutex) | |
4647 | { | |
4648 | ofp_port_t ret; | |
4649 | ||
7614e5d0 JR |
4650 | /* hmap_is_empty is thread safe, see if we can return immediately. */ |
4651 | if (hmap_is_empty(&ofproto->realdev_vid_map)) { | |
4652 | return realdev_ofp_port; | |
4653 | } | |
13501305 EJ |
4654 | ovs_mutex_lock(&ofproto->vsp_mutex); |
4655 | ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci); | |
4656 | ovs_mutex_unlock(&ofproto->vsp_mutex); | |
4657 | return ret; | |
4658 | } | |
4659 | ||
52a90c29 | 4660 | static struct vlan_splinter * |
4e022ec0 | 4661 | vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port) |
52a90c29 BP |
4662 | { |
4663 | struct vlan_splinter *vsp; | |
4664 | ||
4e022ec0 | 4665 | HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node, |
f9c0c3ec | 4666 | hash_ofp_port(vlandev_ofp_port), |
52a90c29 BP |
4667 | &ofproto->vlandev_map) { |
4668 | if (vsp->vlandev_ofp_port == vlandev_ofp_port) { | |
4669 | return vsp; | |
4670 | } | |
4671 | } | |
4672 | ||
4673 | return NULL; | |
4674 | } | |
4675 | ||
40e05935 BP |
4676 | /* Returns the OpenFlow port number of the "real" device underlying the Linux |
4677 | * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the | |
4678 | * VLAN VID of the Linux VLAN device in '*vid'. For example, given | |
4679 | * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of | |
4680 | * eth0 and store 9 in '*vid'. | |
4681 | * | |
4682 | * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux | |
4683 | * VLAN device. Unless VLAN splinters are enabled, this is what this function | |
4684 | * always does.*/ | |
4e022ec0 | 4685 | static ofp_port_t |
52a90c29 | 4686 | vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto, |
4e022ec0 | 4687 | ofp_port_t vlandev_ofp_port, int *vid) |
bd3950dd | 4688 | OVS_REQUIRES(ofproto->vsp_mutex) |
52a90c29 BP |
4689 | { |
4690 | if (!hmap_is_empty(&ofproto->vlandev_map)) { | |
4691 | const struct vlan_splinter *vsp; | |
4692 | ||
4693 | vsp = vlandev_find(ofproto, vlandev_ofp_port); | |
4694 | if (vsp) { | |
4695 | if (vid) { | |
4696 | *vid = vsp->vid; | |
4697 | } | |
4698 | return vsp->realdev_ofp_port; | |
4699 | } | |
4700 | } | |
4701 | return 0; | |
4702 | } | |
4703 | ||
b98d8985 BP |
4704 | /* Given 'flow', a flow representing a packet received on 'ofproto', checks |
4705 | * whether 'flow->in_port' represents a Linux VLAN device. If so, changes | |
4706 | * 'flow->in_port' to the "real" device backing the VLAN device, sets | |
4707 | * 'flow->vlan_tci' to the VLAN VID, and returns true. Otherwise (which is | |
4708 | * always the case unless VLAN splinters are enabled), returns false without | |
4709 | * making any changes. */ | |
8449c4d6 | 4710 | bool |
b98d8985 | 4711 | vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow) |
13501305 | 4712 | OVS_EXCLUDED(ofproto->vsp_mutex) |
b98d8985 | 4713 | { |
4e022ec0 | 4714 | ofp_port_t realdev; |
b98d8985 BP |
4715 | int vid; |
4716 | ||
7614e5d0 JR |
4717 | /* hmap_is_empty is thread safe. */ |
4718 | if (hmap_is_empty(&ofproto->vlandev_map)) { | |
4719 | return false; | |
4720 | } | |
4721 | ||
13501305 | 4722 | ovs_mutex_lock(&ofproto->vsp_mutex); |
4e022ec0 | 4723 | realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid); |
13501305 | 4724 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
b98d8985 BP |
4725 | if (!realdev) { |
4726 | return false; | |
4727 | } | |
4728 | ||
4729 | /* Cause the flow to be processed as if it came in on the real device with | |
4730 | * the VLAN device's VLAN ID. */ | |
4e022ec0 | 4731 | flow->in_port.ofp_port = realdev; |
b98d8985 BP |
4732 | flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI); |
4733 | return true; | |
4734 | } | |
4735 | ||
52a90c29 BP |
4736 | static void |
4737 | vsp_remove(struct ofport_dpif *port) | |
4738 | { | |
4739 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
4740 | struct vlan_splinter *vsp; | |
4741 | ||
13501305 | 4742 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 BP |
4743 | vsp = vlandev_find(ofproto, port->up.ofp_port); |
4744 | if (vsp) { | |
4745 | hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node); | |
4746 | hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node); | |
4747 | free(vsp); | |
4748 | ||
4749 | port->realdev_ofp_port = 0; | |
4750 | } else { | |
4751 | VLOG_ERR("missing vlan device record"); | |
4752 | } | |
13501305 | 4753 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 BP |
4754 | } |
4755 | ||
4756 | static void | |
4e022ec0 | 4757 | vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid) |
52a90c29 BP |
4758 | { |
4759 | struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); | |
4760 | ||
13501305 | 4761 | ovs_mutex_lock(&ofproto->vsp_mutex); |
52a90c29 | 4762 | if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL) |
13501305 | 4763 | && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid)) |
52a90c29 BP |
4764 | == realdev_ofp_port)) { |
4765 | struct vlan_splinter *vsp; | |
4766 | ||
4767 | vsp = xmalloc(sizeof *vsp); | |
52a90c29 BP |
4768 | vsp->realdev_ofp_port = realdev_ofp_port; |
4769 | vsp->vlandev_ofp_port = port->up.ofp_port; | |
4770 | vsp->vid = vid; | |
4771 | ||
4772 | port->realdev_ofp_port = realdev_ofp_port; | |
13501305 EJ |
4773 | |
4774 | hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node, | |
4775 | hash_ofp_port(port->up.ofp_port)); | |
4776 | hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node, | |
4777 | hash_realdev_vid(realdev_ofp_port, vid)); | |
52a90c29 BP |
4778 | } else { |
4779 | VLOG_ERR("duplicate vlan device record"); | |
4780 | } | |
13501305 | 4781 | ovs_mutex_unlock(&ofproto->vsp_mutex); |
52a90c29 | 4782 | } |
e1b1d06a | 4783 | |
46c88433 | 4784 | static odp_port_t |
4e022ec0 | 4785 | ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port) |
e1b1d06a JP |
4786 | { |
4787 | const struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); | |
4e022ec0 | 4788 | return ofport ? ofport->odp_port : ODPP_NONE; |
e1b1d06a JP |
4789 | } |
4790 | ||
8449c4d6 | 4791 | struct ofport_dpif * |
4e022ec0 | 4792 | odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port) |
e1b1d06a JP |
4793 | { |
4794 | struct ofport_dpif *port; | |
4795 | ||
8449c4d6 | 4796 | ovs_rwlock_rdlock(&backer->odp_to_ofport_lock); |
f9c0c3ec | 4797 | HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port), |
acf60855 | 4798 | &backer->odp_to_ofport_map) { |
e1b1d06a | 4799 | if (port->odp_port == odp_port) { |
8449c4d6 | 4800 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 | 4801 | return port; |
e1b1d06a JP |
4802 | } |
4803 | } | |
4804 | ||
8449c4d6 | 4805 | ovs_rwlock_unlock(&backer->odp_to_ofport_lock); |
acf60855 JP |
4806 | return NULL; |
4807 | } | |
4808 | ||
4e022ec0 AW |
4809 | static ofp_port_t |
4810 | odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port) | |
acf60855 JP |
4811 | { |
4812 | struct ofport_dpif *port; | |
4813 | ||
4814 | port = odp_port_to_ofport(ofproto->backer, odp_port); | |
6472ba11 | 4815 | if (port && &ofproto->up == port->up.ofproto) { |
acf60855 JP |
4816 | return port->up.ofp_port; |
4817 | } else { | |
4818 | return OFPP_NONE; | |
4819 | } | |
e1b1d06a | 4820 | } |
655ab909 | 4821 | |
f5374617 AZ |
4822 | uint32_t |
4823 | ofproto_dpif_alloc_recirc_id(struct ofproto_dpif *ofproto) | |
4824 | { | |
4825 | struct dpif_backer *backer = ofproto->backer; | |
4826 | ||
4827 | return recirc_id_alloc(backer->rid_pool); | |
4828 | } | |
4829 | ||
4830 | void | |
4831 | ofproto_dpif_free_recirc_id(struct ofproto_dpif *ofproto, uint32_t recirc_id) | |
4832 | { | |
4833 | struct dpif_backer *backer = ofproto->backer; | |
4834 | ||
4835 | recirc_id_free(backer->rid_pool, recirc_id); | |
4836 | } | |
4837 | ||
adcf00ba AZ |
4838 | int |
4839 | ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto, | |
4840 | struct match *match, int priority, | |
4841 | const struct ofpbuf *ofpacts, | |
4842 | struct rule **rulep) | |
4843 | { | |
4844 | struct ofputil_flow_mod fm; | |
4845 | struct rule_dpif *rule; | |
4846 | int error; | |
4847 | ||
4848 | fm.match = *match; | |
4849 | fm.priority = priority; | |
4850 | fm.new_cookie = htonll(0); | |
4851 | fm.cookie = htonll(0); | |
4852 | fm.cookie_mask = htonll(0); | |
4853 | fm.modify_cookie = false; | |
4854 | fm.table_id = TBL_INTERNAL; | |
4855 | fm.command = OFPFC_ADD; | |
4856 | fm.idle_timeout = 0; | |
4857 | fm.hard_timeout = 0; | |
4858 | fm.buffer_id = 0; | |
4859 | fm.out_port = 0; | |
4860 | fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY; | |
8bd43ce6 JR |
4861 | fm.ofpacts = ofpbuf_data(ofpacts); |
4862 | fm.ofpacts_len = ofpbuf_size(ofpacts); | |
adcf00ba AZ |
4863 | |
4864 | error = ofproto_flow_mod(&ofproto->up, &fm); | |
4865 | if (error) { | |
4866 | VLOG_ERR_RL(&rl, "failed to add internal flow (%s)", | |
4867 | ofperr_to_string(error)); | |
4868 | *rulep = NULL; | |
4869 | return error; | |
4870 | } | |
4871 | ||
4872 | rule = rule_dpif_lookup_in_table(ofproto, TBL_INTERNAL, &match->flow, | |
1a7c0cd7 | 4873 | &match->wc, false); |
adcf00ba | 4874 | if (rule) { |
adcf00ba AZ |
4875 | *rulep = &rule->up; |
4876 | } else { | |
4877 | OVS_NOT_REACHED(); | |
4878 | } | |
4879 | return 0; | |
4880 | } | |
4881 | ||
4882 | int | |
4883 | ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto, | |
4884 | struct match *match, int priority) | |
4885 | { | |
4886 | struct ofputil_flow_mod fm; | |
4887 | int error; | |
4888 | ||
4889 | fm.match = *match; | |
4890 | fm.priority = priority; | |
4891 | fm.new_cookie = htonll(0); | |
4892 | fm.cookie = htonll(0); | |
4893 | fm.cookie_mask = htonll(0); | |
4894 | fm.modify_cookie = false; | |
4895 | fm.table_id = TBL_INTERNAL; | |
4896 | fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY; | |
4897 | fm.command = OFPFC_DELETE_STRICT; | |
4898 | ||
4899 | error = ofproto_flow_mod(&ofproto->up, &fm); | |
4900 | if (error) { | |
4901 | VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)", | |
4902 | ofperr_to_string(error)); | |
4903 | return error; | |
4904 | } | |
4905 | ||
4906 | return 0; | |
4907 | } | |
4908 | ||
abe529af | 4909 | const struct ofproto_class ofproto_dpif_class = { |
b0408fca | 4910 | init, |
abe529af BP |
4911 | enumerate_types, |
4912 | enumerate_names, | |
4913 | del, | |
0aeaabc8 | 4914 | port_open_type, |
acf60855 | 4915 | type_run, |
acf60855 | 4916 | type_wait, |
abe529af BP |
4917 | alloc, |
4918 | construct, | |
4919 | destruct, | |
4920 | dealloc, | |
4921 | run, | |
4922 | wait, | |
e79a6c83 | 4923 | NULL, /* get_memory_usage. */ |
1c030aa5 | 4924 | type_get_memory_usage, |
abe529af | 4925 | flush, |
6c1491fb BP |
4926 | get_features, |
4927 | get_tables, | |
abe529af BP |
4928 | port_alloc, |
4929 | port_construct, | |
4930 | port_destruct, | |
4931 | port_dealloc, | |
4932 | port_modified, | |
4933 | port_reconfigured, | |
4934 | port_query_by_name, | |
4935 | port_add, | |
4936 | port_del, | |
6527c598 | 4937 | port_get_stats, |
abe529af BP |
4938 | port_dump_start, |
4939 | port_dump_next, | |
4940 | port_dump_done, | |
4941 | port_poll, | |
4942 | port_poll_wait, | |
4943 | port_is_lacp_current, | |
0ab6decf | 4944 | NULL, /* rule_choose_table */ |
abe529af BP |
4945 | rule_alloc, |
4946 | rule_construct, | |
8037acb4 BP |
4947 | rule_insert, |
4948 | rule_delete, | |
abe529af BP |
4949 | rule_destruct, |
4950 | rule_dealloc, | |
abe529af BP |
4951 | rule_get_stats, |
4952 | rule_execute, | |
4953 | rule_modify_actions, | |
7257b535 | 4954 | set_frag_handling, |
abe529af BP |
4955 | packet_out, |
4956 | set_netflow, | |
4957 | get_netflow_ids, | |
4958 | set_sflow, | |
29089a54 | 4959 | set_ipfix, |
abe529af | 4960 | set_cfm, |
9a9e3786 | 4961 | get_cfm_status, |
ccc09689 EJ |
4962 | set_bfd, |
4963 | get_bfd_status, | |
21f7563c JP |
4964 | set_stp, |
4965 | get_stp_status, | |
4966 | set_stp_port, | |
4967 | get_stp_port_status, | |
fd28ce3a | 4968 | get_stp_port_stats, |
8b36f51e | 4969 | set_queues, |
abe529af BP |
4970 | bundle_set, |
4971 | bundle_remove, | |
ec7ceaed EJ |
4972 | mirror_set__, |
4973 | mirror_get_stats__, | |
abe529af BP |
4974 | set_flood_vlans, |
4975 | is_mirror_output_bundle, | |
8402c74b | 4976 | forward_bpdu_changed, |
c4069512 | 4977 | set_mac_table_config, |
52a90c29 | 4978 | set_realdev, |
9cae45dc JR |
4979 | NULL, /* meter_get_features */ |
4980 | NULL, /* meter_set */ | |
4981 | NULL, /* meter_get */ | |
4982 | NULL, /* meter_del */ | |
00430a3f SH |
4983 | group_alloc, /* group_alloc */ |
4984 | group_construct, /* group_construct */ | |
4985 | group_destruct, /* group_destruct */ | |
4986 | group_dealloc, /* group_dealloc */ | |
4987 | group_modify, /* group_modify */ | |
4988 | group_get_stats, /* group_get_stats */ | |
abe529af | 4989 | }; |