]>
Commit | Line | Data |
---|---|---|
614c4892 | 1 | /* |
d8ada236 | 2 | * Copyright (c) 2010, 2011, 2012, 2013, 2015, 2016, 2017 Nicira, Inc. |
614c4892 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 | ||
19 | #include "dummy.h" | |
20 | ||
21 | #include <errno.h> | |
f8cf6502 | 22 | #include <unistd.h> |
614c4892 | 23 | |
e14deea0 | 24 | #include "dp-packet.h" |
df1e5a3b | 25 | #include "dpif-netdev.h" |
fbac791a | 26 | #include "flow.h" |
5fc5c50f | 27 | #include "netdev-offload-provider.h" |
614c4892 | 28 | #include "netdev-provider.h" |
c060c4cf | 29 | #include "netdev-vport.h" |
fbac791a | 30 | #include "odp-util.h" |
25d436fb BW |
31 | #include "openvswitch/dynamic-string.h" |
32 | #include "openvswitch/list.h" | |
b4f86fcc | 33 | #include "openvswitch/match.h" |
25d436fb | 34 | #include "openvswitch/ofp-print.h" |
64c96779 | 35 | #include "openvswitch/ofpbuf.h" |
25d436fb | 36 | #include "openvswitch/vlog.h" |
5617ae6a | 37 | #include "ovs-atomic.h" |
614c4892 | 38 | #include "packets.h" |
55d87b06 | 39 | #include "pcap-file.h" |
fd016ae3 | 40 | #include "openvswitch/poll-loop.h" |
ee89ea7b | 41 | #include "openvswitch/shash.h" |
0cbfe35d | 42 | #include "sset.h" |
eab5611a BP |
43 | #include "stream.h" |
44 | #include "unaligned.h" | |
55d87b06 | 45 | #include "timeval.h" |
fbac791a | 46 | #include "unixctl.h" |
631486bd | 47 | #include "reconnect.h" |
614c4892 BP |
48 | |
49 | VLOG_DEFINE_THIS_MODULE(netdev_dummy); | |
50 | ||
971f4b39 MW |
51 | #define C_STATS_SIZE 2 |
52 | ||
631486bd AZ |
53 | struct reconnect; |
54 | ||
55 | struct dummy_packet_stream { | |
eab5611a | 56 | struct stream *stream; |
ca6ba700 | 57 | struct ovs_list txq; |
7a385993 | 58 | struct dp_packet rxbuf; |
eab5611a BP |
59 | }; |
60 | ||
631486bd AZ |
61 | enum dummy_packet_conn_type { |
62 | NONE, /* No connection is configured. */ | |
63 | PASSIVE, /* Listener. */ | |
64 | ACTIVE /* Connect to listener. */ | |
65 | }; | |
66 | ||
7d7fffe8 AZ |
67 | enum dummy_netdev_conn_state { |
68 | CONN_STATE_CONNECTED, /* Listener connected. */ | |
69 | CONN_STATE_NOT_CONNECTED, /* Listener not connected. */ | |
70 | CONN_STATE_UNKNOWN, /* No relavent information. */ | |
71 | }; | |
72 | ||
631486bd AZ |
73 | struct dummy_packet_pconn { |
74 | struct pstream *pstream; | |
7778360b | 75 | struct dummy_packet_stream **streams; |
631486bd AZ |
76 | size_t n_streams; |
77 | }; | |
78 | ||
79 | struct dummy_packet_rconn { | |
80 | struct dummy_packet_stream *rstream; | |
81 | struct reconnect *reconnect; | |
82 | }; | |
83 | ||
84 | struct dummy_packet_conn { | |
85 | enum dummy_packet_conn_type type; | |
86 | union { | |
87 | struct dummy_packet_pconn pconn; | |
88 | struct dummy_packet_rconn rconn; | |
fa37affa | 89 | }; |
631486bd AZ |
90 | }; |
91 | ||
8613db65 DDP |
92 | struct pkt_list_node { |
93 | struct dp_packet *pkt; | |
94 | struct ovs_list list_node; | |
95 | }; | |
96 | ||
b4f86fcc IM |
97 | struct offloaded_flow { |
98 | struct hmap_node node; | |
99 | ovs_u128 ufid; | |
100 | struct match match; | |
101 | uint32_t mark; | |
102 | }; | |
103 | ||
5e1de67f BP |
104 | /* Protects 'dummy_list'. */ |
105 | static struct ovs_mutex dummy_list_mutex = OVS_MUTEX_INITIALIZER; | |
106 | ||
107 | /* Contains all 'struct dummy_dev's. */ | |
ca6ba700 | 108 | static struct ovs_list dummy_list OVS_GUARDED_BY(dummy_list_mutex) |
55951e15 | 109 | = OVS_LIST_INITIALIZER(&dummy_list); |
5e1de67f | 110 | |
b5d57fc8 BP |
111 | struct netdev_dummy { |
112 | struct netdev up; | |
86383816 | 113 | |
5e1de67f | 114 | /* In dummy_list. */ |
ca6ba700 | 115 | struct ovs_list list_node OVS_GUARDED_BY(dummy_list_mutex); |
5e1de67f | 116 | |
86383816 | 117 | /* Protects all members below. */ |
5e1de67f | 118 | struct ovs_mutex mutex OVS_ACQ_AFTER(dummy_list_mutex); |
86383816 | 119 | |
74ff3298 | 120 | struct eth_addr hwaddr OVS_GUARDED; |
36e2140d BP |
121 | int mtu OVS_GUARDED; |
122 | struct netdev_stats stats OVS_GUARDED; | |
971f4b39 | 123 | struct netdev_custom_counter custom_stats[C_STATS_SIZE] OVS_GUARDED; |
36e2140d | 124 | enum netdev_flags flags OVS_GUARDED; |
36e2140d | 125 | int ifindex OVS_GUARDED; |
d537e73a | 126 | int numa_id OVS_GUARDED; |
36e2140d | 127 | |
631486bd | 128 | struct dummy_packet_conn conn OVS_GUARDED; |
36e2140d | 129 | |
b6e840ae | 130 | struct pcap_file *tx_pcap, *rxq_pcap OVS_GUARDED; |
55d87b06 | 131 | |
a36de779 | 132 | struct in_addr address, netmask; |
a8704b50 | 133 | struct in6_addr ipv6, ipv6_mask; |
ca6ba700 | 134 | struct ovs_list rxes OVS_GUARDED; /* List of child "netdev_rxq_dummy"s. */ |
9a81a637 | 135 | |
b4f86fcc IM |
136 | struct hmap offloaded_flows OVS_GUARDED; |
137 | ||
9a81a637 IM |
138 | /* The following properties are for dummy-pmd and they cannot be changed |
139 | * when a device is running, so we remember the request and update them | |
140 | * next time netdev_dummy_reconfigure() is called. */ | |
d537e73a DDP |
141 | int requested_n_txq OVS_GUARDED; |
142 | int requested_n_rxq OVS_GUARDED; | |
143 | int requested_numa_id OVS_GUARDED; | |
614c4892 BP |
144 | }; |
145 | ||
e34cfdd9 BP |
146 | /* Max 'recv_queue_len' in struct netdev_dummy. */ |
147 | #define NETDEV_DUMMY_MAX_QUEUE 100 | |
148 | ||
f7791740 PS |
149 | struct netdev_rxq_dummy { |
150 | struct netdev_rxq up; | |
ca6ba700 TG |
151 | struct ovs_list node; /* In netdev_dummy's "rxes" list. */ |
152 | struct ovs_list recv_queue; | |
417e7e66 | 153 | int recv_queue_len; /* ovs_list_size(&recv_queue). */ |
98045eda | 154 | struct seq *seq; /* Reports newly queued packets. */ |
614c4892 BP |
155 | }; |
156 | ||
95d4ec33 | 157 | static unixctl_cb_func netdev_dummy_set_admin_state; |
9dc63482 | 158 | static int netdev_dummy_construct(struct netdev *); |
9a81a637 | 159 | static void netdev_dummy_queue_packet(struct netdev_dummy *, |
4960f9ad | 160 | struct dp_packet *, struct flow *, int); |
eab5611a | 161 | |
631486bd | 162 | static void dummy_packet_stream_close(struct dummy_packet_stream *); |
614c4892 | 163 | |
8613db65 DDP |
164 | static void pkt_list_delete(struct ovs_list *); |
165 | ||
614c4892 BP |
166 | static bool |
167 | is_dummy_class(const struct netdev_class *class) | |
168 | { | |
9dc63482 | 169 | return class->construct == netdev_dummy_construct; |
614c4892 BP |
170 | } |
171 | ||
614c4892 BP |
172 | static struct netdev_dummy * |
173 | netdev_dummy_cast(const struct netdev *netdev) | |
174 | { | |
b5d57fc8 | 175 | ovs_assert(is_dummy_class(netdev_get_class(netdev))); |
180c6d0b | 176 | return CONTAINER_OF(netdev, struct netdev_dummy, up); |
614c4892 BP |
177 | } |
178 | ||
f7791740 PS |
179 | static struct netdev_rxq_dummy * |
180 | netdev_rxq_dummy_cast(const struct netdev_rxq *rx) | |
796223f5 | 181 | { |
9dc63482 | 182 | ovs_assert(is_dummy_class(netdev_get_class(rx->netdev))); |
f7791740 | 183 | return CONTAINER_OF(rx, struct netdev_rxq_dummy, up); |
796223f5 BP |
184 | } |
185 | ||
eab5611a | 186 | static void |
631486bd | 187 | dummy_packet_stream_init(struct dummy_packet_stream *s, struct stream *stream) |
eab5611a | 188 | { |
631486bd AZ |
189 | int rxbuf_size = stream ? 2048 : 0; |
190 | s->stream = stream; | |
cf62fa4c | 191 | dp_packet_init(&s->rxbuf, rxbuf_size); |
417e7e66 | 192 | ovs_list_init(&s->txq); |
631486bd | 193 | } |
eab5611a | 194 | |
631486bd AZ |
195 | static struct dummy_packet_stream * |
196 | dummy_packet_stream_create(struct stream *stream) | |
197 | { | |
198 | struct dummy_packet_stream *s; | |
eab5611a | 199 | |
631486bd AZ |
200 | s = xzalloc(sizeof *s); |
201 | dummy_packet_stream_init(s, stream); | |
86383816 | 202 | |
631486bd AZ |
203 | return s; |
204 | } | |
eab5611a | 205 | |
631486bd AZ |
206 | static void |
207 | dummy_packet_stream_wait(struct dummy_packet_stream *s) | |
208 | { | |
209 | stream_run_wait(s->stream); | |
417e7e66 | 210 | if (!ovs_list_is_empty(&s->txq)) { |
631486bd AZ |
211 | stream_send_wait(s->stream); |
212 | } | |
213 | stream_recv_wait(s->stream); | |
214 | } | |
eab5611a | 215 | |
631486bd AZ |
216 | static void |
217 | dummy_packet_stream_send(struct dummy_packet_stream *s, const void *buffer, size_t size) | |
218 | { | |
417e7e66 | 219 | if (ovs_list_size(&s->txq) < NETDEV_DUMMY_MAX_QUEUE) { |
cf62fa4c | 220 | struct dp_packet *b; |
8613db65 | 221 | struct pkt_list_node *node; |
eab5611a | 222 | |
cf62fa4c PS |
223 | b = dp_packet_clone_data_with_headroom(buffer, size, 2); |
224 | put_unaligned_be16(dp_packet_push_uninit(b, 2), htons(size)); | |
8613db65 DDP |
225 | |
226 | node = xmalloc(sizeof *node); | |
227 | node->pkt = b; | |
417e7e66 | 228 | ovs_list_push_back(&s->txq, &node->list_node); |
631486bd AZ |
229 | } |
230 | } | |
231 | ||
232 | static int | |
233 | dummy_packet_stream_run(struct netdev_dummy *dev, struct dummy_packet_stream *s) | |
234 | { | |
235 | int error = 0; | |
236 | size_t n; | |
237 | ||
238 | stream_run(s->stream); | |
239 | ||
417e7e66 | 240 | if (!ovs_list_is_empty(&s->txq)) { |
8613db65 | 241 | struct pkt_list_node *txbuf_node; |
cf62fa4c | 242 | struct dp_packet *txbuf; |
631486bd AZ |
243 | int retval; |
244 | ||
417e7e66 | 245 | ASSIGN_CONTAINER(txbuf_node, ovs_list_front(&s->txq), list_node); |
8613db65 | 246 | txbuf = txbuf_node->pkt; |
cf62fa4c | 247 | retval = stream_send(s->stream, dp_packet_data(txbuf), dp_packet_size(txbuf)); |
c0c4982f | 248 | |
631486bd | 249 | if (retval > 0) { |
cf62fa4c PS |
250 | dp_packet_pull(txbuf, retval); |
251 | if (!dp_packet_size(txbuf)) { | |
417e7e66 | 252 | ovs_list_remove(&txbuf_node->list_node); |
8613db65 | 253 | free(txbuf_node); |
cf62fa4c | 254 | dp_packet_delete(txbuf); |
eab5611a | 255 | } |
631486bd AZ |
256 | } else if (retval != -EAGAIN) { |
257 | error = -retval; | |
eab5611a | 258 | } |
631486bd | 259 | } |
86f1d032 | 260 | |
631486bd | 261 | if (!error) { |
cf62fa4c PS |
262 | if (dp_packet_size(&s->rxbuf) < 2) { |
263 | n = 2 - dp_packet_size(&s->rxbuf); | |
631486bd AZ |
264 | } else { |
265 | uint16_t frame_len; | |
266 | ||
cf62fa4c | 267 | frame_len = ntohs(get_unaligned_be16(dp_packet_data(&s->rxbuf))); |
631486bd AZ |
268 | if (frame_len < ETH_HEADER_LEN) { |
269 | error = EPROTO; | |
270 | n = 0; | |
271 | } else { | |
cf62fa4c | 272 | n = (2 + frame_len) - dp_packet_size(&s->rxbuf); |
631486bd AZ |
273 | } |
274 | } | |
eab5611a | 275 | } |
631486bd AZ |
276 | if (!error) { |
277 | int retval; | |
278 | ||
cf62fa4c PS |
279 | dp_packet_prealloc_tailroom(&s->rxbuf, n); |
280 | retval = stream_recv(s->stream, dp_packet_tail(&s->rxbuf), n); | |
c0c4982f | 281 | |
631486bd | 282 | if (retval > 0) { |
cf62fa4c PS |
283 | dp_packet_set_size(&s->rxbuf, dp_packet_size(&s->rxbuf) + retval); |
284 | if (retval == n && dp_packet_size(&s->rxbuf) > 2) { | |
285 | dp_packet_pull(&s->rxbuf, 2); | |
631486bd | 286 | netdev_dummy_queue_packet(dev, |
4960f9ad | 287 | dp_packet_clone(&s->rxbuf), NULL, 0); |
cf62fa4c | 288 | dp_packet_clear(&s->rxbuf); |
631486bd AZ |
289 | } |
290 | } else if (retval != -EAGAIN) { | |
291 | error = (retval < 0 ? -retval | |
cf62fa4c | 292 | : dp_packet_size(&s->rxbuf) ? EPROTO |
631486bd AZ |
293 | : EOF); |
294 | } | |
295 | } | |
296 | ||
297 | return error; | |
eab5611a BP |
298 | } |
299 | ||
300 | static void | |
631486bd | 301 | dummy_packet_stream_close(struct dummy_packet_stream *s) |
eab5611a BP |
302 | { |
303 | stream_close(s->stream); | |
cf62fa4c | 304 | dp_packet_uninit(&s->rxbuf); |
8613db65 | 305 | pkt_list_delete(&s->txq); |
eab5611a BP |
306 | } |
307 | ||
308 | static void | |
631486bd | 309 | dummy_packet_conn_init(struct dummy_packet_conn *conn) |
eab5611a | 310 | { |
631486bd AZ |
311 | memset(conn, 0, sizeof *conn); |
312 | conn->type = NONE; | |
313 | } | |
eab5611a | 314 | |
631486bd AZ |
315 | static void |
316 | dummy_packet_conn_get_config(struct dummy_packet_conn *conn, struct smap *args) | |
317 | { | |
eab5611a | 318 | |
631486bd AZ |
319 | switch (conn->type) { |
320 | case PASSIVE: | |
fa37affa | 321 | smap_add(args, "pstream", pstream_get_name(conn->pconn.pstream)); |
631486bd AZ |
322 | break; |
323 | ||
324 | case ACTIVE: | |
fa37affa | 325 | smap_add(args, "stream", stream_get_name(conn->rconn.rstream->stream)); |
631486bd AZ |
326 | break; |
327 | ||
328 | case NONE: | |
329 | default: | |
330 | break; | |
331 | } | |
332 | } | |
333 | ||
334 | static void | |
335 | dummy_packet_conn_close(struct dummy_packet_conn *conn) | |
336 | { | |
337 | int i; | |
fa37affa BP |
338 | struct dummy_packet_pconn *pconn = &conn->pconn; |
339 | struct dummy_packet_rconn *rconn = &conn->rconn; | |
631486bd AZ |
340 | |
341 | switch (conn->type) { | |
342 | case PASSIVE: | |
343 | pstream_close(pconn->pstream); | |
344 | for (i = 0; i < pconn->n_streams; i++) { | |
7778360b LR |
345 | dummy_packet_stream_close(pconn->streams[i]); |
346 | free(pconn->streams[i]); | |
631486bd AZ |
347 | } |
348 | free(pconn->streams); | |
349 | pconn->pstream = NULL; | |
350 | pconn->streams = NULL; | |
351 | break; | |
352 | ||
353 | case ACTIVE: | |
354 | dummy_packet_stream_close(rconn->rstream); | |
355 | free(rconn->rstream); | |
356 | rconn->rstream = NULL; | |
357 | reconnect_destroy(rconn->reconnect); | |
358 | rconn->reconnect = NULL; | |
359 | break; | |
360 | ||
361 | case NONE: | |
362 | default: | |
363 | break; | |
364 | } | |
365 | ||
366 | conn->type = NONE; | |
367 | memset(conn, 0, sizeof *conn); | |
368 | } | |
369 | ||
370 | static void | |
371 | dummy_packet_conn_set_config(struct dummy_packet_conn *conn, | |
372 | const struct smap *args) | |
373 | { | |
374 | const char *pstream = smap_get(args, "pstream"); | |
375 | const char *stream = smap_get(args, "stream"); | |
376 | ||
377 | if (pstream && stream) { | |
378 | VLOG_WARN("Open failed: both %s and %s are configured", | |
379 | pstream, stream); | |
380 | return; | |
381 | } | |
382 | ||
383 | switch (conn->type) { | |
384 | case PASSIVE: | |
966904d2 | 385 | if (pstream && |
fa37affa | 386 | !strcmp(pstream_get_name(conn->pconn.pstream), pstream)) { |
631486bd AZ |
387 | return; |
388 | } | |
389 | dummy_packet_conn_close(conn); | |
390 | break; | |
391 | case ACTIVE: | |
966904d2 | 392 | if (stream && |
fa37affa | 393 | !strcmp(stream_get_name(conn->rconn.rstream->stream), stream)) { |
631486bd AZ |
394 | return; |
395 | } | |
396 | dummy_packet_conn_close(conn); | |
397 | break; | |
398 | case NONE: | |
399 | default: | |
400 | break; | |
401 | } | |
402 | ||
403 | if (pstream) { | |
404 | int error; | |
405 | ||
fa37affa | 406 | error = pstream_open(pstream, &conn->pconn.pstream, DSCP_DEFAULT); |
631486bd AZ |
407 | if (error) { |
408 | VLOG_WARN("%s: open failed (%s)", pstream, ovs_strerror(error)); | |
409 | } else { | |
410 | conn->type = PASSIVE; | |
411 | } | |
412 | } | |
413 | ||
414 | if (stream) { | |
415 | int error; | |
416 | struct stream *active_stream; | |
ea53e3a8 | 417 | struct reconnect *reconnect; |
631486bd AZ |
418 | |
419 | reconnect = reconnect_create(time_msec()); | |
420 | reconnect_set_name(reconnect, stream); | |
421 | reconnect_set_passive(reconnect, false, time_msec()); | |
422 | reconnect_enable(reconnect, time_msec()); | |
fc24d64d | 423 | reconnect_set_backoff(reconnect, 100, INT_MAX); |
13af13b3 | 424 | reconnect_set_probe_interval(reconnect, 0); |
fa37affa | 425 | conn->rconn.reconnect = reconnect; |
c0c4982f | 426 | conn->type = ACTIVE; |
631486bd AZ |
427 | |
428 | error = stream_open(stream, &active_stream, DSCP_DEFAULT); | |
fa37affa | 429 | conn->rconn.rstream = dummy_packet_stream_create(active_stream); |
631486bd AZ |
430 | |
431 | switch (error) { | |
432 | case 0: | |
c0c4982f | 433 | reconnect_connected(reconnect, time_msec()); |
631486bd AZ |
434 | break; |
435 | ||
436 | case EAGAIN: | |
c0c4982f | 437 | reconnect_connecting(reconnect, time_msec()); |
631486bd AZ |
438 | break; |
439 | ||
440 | default: | |
c0c4982f | 441 | reconnect_connect_failed(reconnect, time_msec(), error); |
631486bd | 442 | stream_close(active_stream); |
fa37affa | 443 | conn->rconn.rstream->stream = NULL; |
631486bd AZ |
444 | break; |
445 | } | |
446 | } | |
447 | } | |
448 | ||
449 | static void | |
450 | dummy_pconn_run(struct netdev_dummy *dev) | |
451 | OVS_REQUIRES(dev->mutex) | |
452 | { | |
453 | struct stream *new_stream; | |
fa37affa | 454 | struct dummy_packet_pconn *pconn = &dev->conn.pconn; |
631486bd AZ |
455 | int error; |
456 | size_t i; | |
457 | ||
458 | error = pstream_accept(pconn->pstream, &new_stream); | |
459 | if (!error) { | |
460 | struct dummy_packet_stream *s; | |
461 | ||
462 | pconn->streams = xrealloc(pconn->streams, | |
463 | ((pconn->n_streams + 1) | |
7778360b LR |
464 | * sizeof s)); |
465 | s = xmalloc(sizeof *s); | |
466 | pconn->streams[pconn->n_streams++] = s; | |
631486bd AZ |
467 | dummy_packet_stream_init(s, new_stream); |
468 | } else if (error != EAGAIN) { | |
469 | VLOG_WARN("%s: accept failed (%s)", | |
470 | pstream_get_name(pconn->pstream), ovs_strerror(error)); | |
471 | pstream_close(pconn->pstream); | |
472 | pconn->pstream = NULL; | |
473 | dev->conn.type = NONE; | |
474 | } | |
475 | ||
7778360b LR |
476 | for (i = 0; i < pconn->n_streams; ) { |
477 | struct dummy_packet_stream *s = pconn->streams[i]; | |
631486bd AZ |
478 | |
479 | error = dummy_packet_stream_run(dev, s); | |
480 | if (error) { | |
481 | VLOG_DBG("%s: closing connection (%s)", | |
482 | stream_get_name(s->stream), | |
483 | ovs_retval_to_string(error)); | |
484 | dummy_packet_stream_close(s); | |
7778360b | 485 | free(s); |
631486bd | 486 | pconn->streams[i] = pconn->streams[--pconn->n_streams]; |
7778360b LR |
487 | } else { |
488 | i++; | |
eab5611a | 489 | } |
631486bd AZ |
490 | } |
491 | } | |
eab5611a | 492 | |
631486bd AZ |
493 | static void |
494 | dummy_rconn_run(struct netdev_dummy *dev) | |
495 | OVS_REQUIRES(dev->mutex) | |
496 | { | |
fa37affa | 497 | struct dummy_packet_rconn *rconn = &dev->conn.rconn; |
631486bd AZ |
498 | |
499 | switch (reconnect_run(rconn->reconnect, time_msec())) { | |
500 | case RECONNECT_CONNECT: | |
501 | { | |
c0c4982f AZ |
502 | int error; |
503 | ||
504 | if (rconn->rstream->stream) { | |
505 | error = stream_connect(rconn->rstream->stream); | |
506 | } else { | |
507 | error = stream_open(reconnect_get_name(rconn->reconnect), | |
508 | &rconn->rstream->stream, DSCP_DEFAULT); | |
509 | } | |
631486bd | 510 | |
c0c4982f AZ |
511 | switch (error) { |
512 | case 0: | |
631486bd | 513 | reconnect_connected(rconn->reconnect, time_msec()); |
631486bd AZ |
514 | break; |
515 | ||
516 | case EAGAIN: | |
517 | reconnect_connecting(rconn->reconnect, time_msec()); | |
c0c4982f | 518 | break; |
631486bd AZ |
519 | |
520 | default: | |
c0c4982f | 521 | reconnect_connect_failed(rconn->reconnect, time_msec(), error); |
631486bd | 522 | stream_close(rconn->rstream->stream); |
c0c4982f AZ |
523 | rconn->rstream->stream = NULL; |
524 | break; | |
eab5611a | 525 | } |
eab5611a | 526 | } |
631486bd AZ |
527 | break; |
528 | ||
529 | case RECONNECT_DISCONNECT: | |
530 | case RECONNECT_PROBE: | |
531 | default: | |
532 | break; | |
533 | } | |
534 | ||
535 | if (reconnect_is_connected(rconn->reconnect)) { | |
536 | int err; | |
537 | ||
538 | err = dummy_packet_stream_run(dev, rconn->rstream); | |
539 | ||
540 | if (err) { | |
541 | reconnect_disconnected(rconn->reconnect, time_msec(), err); | |
542 | stream_close(rconn->rstream->stream); | |
c0c4982f | 543 | rconn->rstream->stream = NULL; |
631486bd AZ |
544 | } |
545 | } | |
546 | } | |
547 | ||
548 | static void | |
549 | dummy_packet_conn_run(struct netdev_dummy *dev) | |
550 | OVS_REQUIRES(dev->mutex) | |
551 | { | |
552 | switch (dev->conn.type) { | |
553 | case PASSIVE: | |
554 | dummy_pconn_run(dev); | |
555 | break; | |
556 | ||
557 | case ACTIVE: | |
558 | dummy_rconn_run(dev); | |
559 | break; | |
560 | ||
561 | case NONE: | |
562 | default: | |
563 | break; | |
564 | } | |
565 | } | |
566 | ||
567 | static void | |
568 | dummy_packet_conn_wait(struct dummy_packet_conn *conn) | |
569 | { | |
570 | int i; | |
571 | switch (conn->type) { | |
572 | case PASSIVE: | |
fa37affa BP |
573 | pstream_wait(conn->pconn.pstream); |
574 | for (i = 0; i < conn->pconn.n_streams; i++) { | |
575 | struct dummy_packet_stream *s = conn->pconn.streams[i]; | |
631486bd AZ |
576 | dummy_packet_stream_wait(s); |
577 | } | |
578 | break; | |
579 | case ACTIVE: | |
fa37affa BP |
580 | if (reconnect_is_connected(conn->rconn.reconnect)) { |
581 | dummy_packet_stream_wait(conn->rconn.rstream); | |
c0c4982f | 582 | } |
631486bd AZ |
583 | break; |
584 | ||
585 | case NONE: | |
586 | default: | |
587 | break; | |
588 | } | |
589 | } | |
590 | ||
591 | static void | |
592 | dummy_packet_conn_send(struct dummy_packet_conn *conn, | |
593 | const void *buffer, size_t size) | |
594 | { | |
595 | int i; | |
596 | ||
597 | switch (conn->type) { | |
598 | case PASSIVE: | |
fa37affa BP |
599 | for (i = 0; i < conn->pconn.n_streams; i++) { |
600 | struct dummy_packet_stream *s = conn->pconn.streams[i]; | |
631486bd AZ |
601 | |
602 | dummy_packet_stream_send(s, buffer, size); | |
fa37affa | 603 | pstream_wait(conn->pconn.pstream); |
631486bd AZ |
604 | } |
605 | break; | |
606 | ||
607 | case ACTIVE: | |
fa37affa BP |
608 | if (reconnect_is_connected(conn->rconn.reconnect)) { |
609 | dummy_packet_stream_send(conn->rconn.rstream, buffer, size); | |
610 | dummy_packet_stream_wait(conn->rconn.rstream); | |
c0c4982f | 611 | } |
631486bd AZ |
612 | break; |
613 | ||
614 | case NONE: | |
615 | default: | |
616 | break; | |
617 | } | |
618 | } | |
619 | ||
7d7fffe8 AZ |
620 | static enum dummy_netdev_conn_state |
621 | dummy_netdev_get_conn_state(struct dummy_packet_conn *conn) | |
622 | { | |
623 | enum dummy_netdev_conn_state state; | |
624 | ||
625 | if (conn->type == ACTIVE) { | |
fa37affa | 626 | if (reconnect_is_connected(conn->rconn.reconnect)) { |
7d7fffe8 AZ |
627 | state = CONN_STATE_CONNECTED; |
628 | } else { | |
629 | state = CONN_STATE_NOT_CONNECTED; | |
630 | } | |
631 | } else { | |
632 | state = CONN_STATE_UNKNOWN; | |
633 | } | |
634 | ||
635 | return state; | |
636 | } | |
637 | ||
631486bd | 638 | static void |
e98d0cb3 | 639 | netdev_dummy_run(const struct netdev_class *netdev_class) |
631486bd AZ |
640 | { |
641 | struct netdev_dummy *dev; | |
642 | ||
643 | ovs_mutex_lock(&dummy_list_mutex); | |
644 | LIST_FOR_EACH (dev, list_node, &dummy_list) { | |
e98d0cb3 DDP |
645 | if (netdev_get_class(&dev->up) != netdev_class) { |
646 | continue; | |
647 | } | |
631486bd AZ |
648 | ovs_mutex_lock(&dev->mutex); |
649 | dummy_packet_conn_run(dev); | |
650 | ovs_mutex_unlock(&dev->mutex); | |
651 | } | |
652 | ovs_mutex_unlock(&dummy_list_mutex); | |
653 | } | |
654 | ||
655 | static void | |
e98d0cb3 | 656 | netdev_dummy_wait(const struct netdev_class *netdev_class) |
631486bd AZ |
657 | { |
658 | struct netdev_dummy *dev; | |
659 | ||
660 | ovs_mutex_lock(&dummy_list_mutex); | |
661 | LIST_FOR_EACH (dev, list_node, &dummy_list) { | |
e98d0cb3 DDP |
662 | if (netdev_get_class(&dev->up) != netdev_class) { |
663 | continue; | |
664 | } | |
631486bd AZ |
665 | ovs_mutex_lock(&dev->mutex); |
666 | dummy_packet_conn_wait(&dev->conn); | |
86383816 | 667 | ovs_mutex_unlock(&dev->mutex); |
eab5611a | 668 | } |
5e1de67f | 669 | ovs_mutex_unlock(&dummy_list_mutex); |
eab5611a BP |
670 | } |
671 | ||
9dc63482 BP |
672 | static struct netdev * |
673 | netdev_dummy_alloc(void) | |
674 | { | |
675 | struct netdev_dummy *netdev = xzalloc(sizeof *netdev); | |
676 | return &netdev->up; | |
677 | } | |
678 | ||
614c4892 | 679 | static int |
9dc63482 | 680 | netdev_dummy_construct(struct netdev *netdev_) |
614c4892 | 681 | { |
97e5b2e5 | 682 | static atomic_count next_n = ATOMIC_COUNT_INIT(0xaa550000); |
9dc63482 | 683 | struct netdev_dummy *netdev = netdev_dummy_cast(netdev_); |
01cdb3a1 BP |
684 | unsigned int n; |
685 | ||
97e5b2e5 | 686 | n = atomic_count_inc(&next_n); |
86383816 | 687 | |
834d6caf | 688 | ovs_mutex_init(&netdev->mutex); |
36e2140d | 689 | ovs_mutex_lock(&netdev->mutex); |
74ff3298 JR |
690 | netdev->hwaddr.ea[0] = 0xaa; |
691 | netdev->hwaddr.ea[1] = 0x55; | |
692 | netdev->hwaddr.ea[2] = n >> 24; | |
693 | netdev->hwaddr.ea[3] = n >> 16; | |
694 | netdev->hwaddr.ea[4] = n >> 8; | |
695 | netdev->hwaddr.ea[5] = n; | |
b5d57fc8 | 696 | netdev->mtu = 1500; |
c9c8c8a1 | 697 | netdev->flags = NETDEV_UP; |
b5d57fc8 | 698 | netdev->ifindex = -EOPNOTSUPP; |
9a81a637 IM |
699 | netdev->requested_n_rxq = netdev_->n_rxq; |
700 | netdev->requested_n_txq = netdev_->n_txq; | |
d537e73a | 701 | netdev->numa_id = 0; |
eab5611a | 702 | |
971f4b39 MW |
703 | memset(&netdev->custom_stats, 0, sizeof(netdev->custom_stats)); |
704 | ||
705 | ovs_strlcpy(netdev->custom_stats[0].name, | |
706 | "rx_custom_packets_1", NETDEV_CUSTOM_STATS_NAME_SIZE); | |
707 | ovs_strlcpy(netdev->custom_stats[1].name, | |
708 | "rx_custom_packets_2", NETDEV_CUSTOM_STATS_NAME_SIZE); | |
709 | ||
631486bd | 710 | dummy_packet_conn_init(&netdev->conn); |
eab5611a | 711 | |
417e7e66 | 712 | ovs_list_init(&netdev->rxes); |
b4f86fcc | 713 | hmap_init(&netdev->offloaded_flows); |
36e2140d | 714 | ovs_mutex_unlock(&netdev->mutex); |
b5d57fc8 | 715 | |
5e1de67f | 716 | ovs_mutex_lock(&dummy_list_mutex); |
417e7e66 | 717 | ovs_list_push_back(&dummy_list, &netdev->list_node); |
5e1de67f BP |
718 | ovs_mutex_unlock(&dummy_list_mutex); |
719 | ||
614c4892 BP |
720 | return 0; |
721 | } | |
722 | ||
723 | static void | |
9dc63482 | 724 | netdev_dummy_destruct(struct netdev *netdev_) |
614c4892 | 725 | { |
b5d57fc8 | 726 | struct netdev_dummy *netdev = netdev_dummy_cast(netdev_); |
b4f86fcc | 727 | struct offloaded_flow *off_flow; |
614c4892 | 728 | |
5e1de67f | 729 | ovs_mutex_lock(&dummy_list_mutex); |
417e7e66 | 730 | ovs_list_remove(&netdev->list_node); |
5e1de67f BP |
731 | ovs_mutex_unlock(&dummy_list_mutex); |
732 | ||
36e2140d | 733 | ovs_mutex_lock(&netdev->mutex); |
360990eb | 734 | if (netdev->rxq_pcap) { |
b6e840ae | 735 | ovs_pcap_close(netdev->rxq_pcap); |
360990eb BP |
736 | } |
737 | if (netdev->tx_pcap && netdev->tx_pcap != netdev->rxq_pcap) { | |
b6e840ae | 738 | ovs_pcap_close(netdev->tx_pcap); |
360990eb | 739 | } |
631486bd AZ |
740 | dummy_packet_conn_close(&netdev->conn); |
741 | netdev->conn.type = NONE; | |
742 | ||
b4f86fcc IM |
743 | HMAP_FOR_EACH_POP (off_flow, node, &netdev->offloaded_flows) { |
744 | free(off_flow); | |
745 | } | |
746 | hmap_destroy(&netdev->offloaded_flows); | |
747 | ||
36e2140d | 748 | ovs_mutex_unlock(&netdev->mutex); |
86383816 | 749 | ovs_mutex_destroy(&netdev->mutex); |
9dc63482 BP |
750 | } |
751 | ||
752 | static void | |
753 | netdev_dummy_dealloc(struct netdev *netdev_) | |
754 | { | |
755 | struct netdev_dummy *netdev = netdev_dummy_cast(netdev_); | |
756 | ||
b5d57fc8 | 757 | free(netdev); |
614c4892 BP |
758 | } |
759 | ||
8073dd31 | 760 | static int |
9a81a637 | 761 | netdev_dummy_get_config(const struct netdev *dev, struct smap *args) |
8073dd31 | 762 | { |
9a81a637 | 763 | struct netdev_dummy *netdev = netdev_dummy_cast(dev); |
8073dd31 | 764 | |
5a9bf514 | 765 | ovs_mutex_lock(&netdev->mutex); |
55d87b06 | 766 | |
b5d57fc8 BP |
767 | if (netdev->ifindex >= 0) { |
768 | smap_add_format(args, "ifindex", "%d", netdev->ifindex); | |
8073dd31 | 769 | } |
55d87b06 | 770 | |
631486bd | 771 | dummy_packet_conn_get_config(&netdev->conn, args); |
5a9bf514 | 772 | |
9a81a637 IM |
773 | /* 'dummy-pmd' specific config. */ |
774 | if (!netdev_is_pmd(dev)) { | |
775 | goto exit; | |
776 | } | |
777 | smap_add_format(args, "requested_rx_queues", "%d", netdev->requested_n_rxq); | |
778 | smap_add_format(args, "configured_rx_queues", "%d", dev->n_rxq); | |
779 | smap_add_format(args, "requested_tx_queues", "%d", netdev->requested_n_txq); | |
780 | smap_add_format(args, "configured_tx_queues", "%d", dev->n_txq); | |
781 | ||
782 | exit: | |
55d87b06 | 783 | ovs_mutex_unlock(&netdev->mutex); |
8073dd31 NM |
784 | return 0; |
785 | } | |
786 | ||
2af602f2 | 787 | static int |
a8704b50 PS |
788 | netdev_dummy_get_addr_list(const struct netdev *netdev_, struct in6_addr **paddr, |
789 | struct in6_addr **pmask, int *n_addr) | |
2af602f2 TLSC |
790 | { |
791 | struct netdev_dummy *netdev = netdev_dummy_cast(netdev_); | |
a8704b50 PS |
792 | int cnt = 0, i = 0, err = 0; |
793 | struct in6_addr *addr, *mask; | |
2af602f2 TLSC |
794 | |
795 | ovs_mutex_lock(&netdev->mutex); | |
a8704b50 PS |
796 | if (netdev->address.s_addr != INADDR_ANY) { |
797 | cnt++; | |
798 | } | |
799 | ||
800 | if (ipv6_addr_is_set(&netdev->ipv6)) { | |
801 | cnt++; | |
802 | } | |
803 | if (!cnt) { | |
804 | err = EADDRNOTAVAIL; | |
805 | goto out; | |
806 | } | |
807 | addr = xmalloc(sizeof *addr * cnt); | |
808 | mask = xmalloc(sizeof *mask * cnt); | |
809 | if (netdev->address.s_addr != INADDR_ANY) { | |
810 | in6_addr_set_mapped_ipv4(&addr[i], netdev->address.s_addr); | |
811 | in6_addr_set_mapped_ipv4(&mask[i], netdev->netmask.s_addr); | |
812 | i++; | |
813 | } | |
814 | ||
815 | if (ipv6_addr_is_set(&netdev->ipv6)) { | |
816 | memcpy(&addr[i], &netdev->ipv6, sizeof *addr); | |
817 | memcpy(&mask[i], &netdev->ipv6_mask, sizeof *mask); | |
818 | i++; | |
819 | } | |
820 | if (paddr) { | |
821 | *paddr = addr; | |
822 | *pmask = mask; | |
823 | *n_addr = cnt; | |
824 | } else { | |
825 | free(addr); | |
826 | free(mask); | |
827 | } | |
828 | out: | |
2af602f2 TLSC |
829 | ovs_mutex_unlock(&netdev->mutex); |
830 | ||
a8704b50 | 831 | return err; |
2af602f2 TLSC |
832 | } |
833 | ||
a36de779 PS |
834 | static int |
835 | netdev_dummy_set_in4(struct netdev *netdev_, struct in_addr address, | |
836 | struct in_addr netmask) | |
837 | { | |
838 | struct netdev_dummy *netdev = netdev_dummy_cast(netdev_); | |
839 | ||
840 | ovs_mutex_lock(&netdev->mutex); | |
841 | netdev->address = address; | |
842 | netdev->netmask = netmask; | |
d2b11b5b | 843 | netdev_change_seq_changed(netdev_); |
a36de779 PS |
844 | ovs_mutex_unlock(&netdev->mutex); |
845 | ||
846 | return 0; | |
847 | } | |
848 | ||
2af602f2 | 849 | static int |
a8704b50 PS |
850 | netdev_dummy_set_in6(struct netdev *netdev_, struct in6_addr *in6, |
851 | struct in6_addr *mask) | |
2af602f2 TLSC |
852 | { |
853 | struct netdev_dummy *netdev = netdev_dummy_cast(netdev_); | |
854 | ||
855 | ovs_mutex_lock(&netdev->mutex); | |
856 | netdev->ipv6 = *in6; | |
a8704b50 | 857 | netdev->ipv6_mask = *mask; |
d2b11b5b | 858 | netdev_change_seq_changed(netdev_); |
2af602f2 TLSC |
859 | ovs_mutex_unlock(&netdev->mutex); |
860 | ||
861 | return 0; | |
862 | } | |
863 | ||
bf9f6f80 | 864 | #define DUMMY_MAX_QUEUES_PER_PORT 1024 |
865 | ||
8073dd31 | 866 | static int |
9fff138e DDP |
867 | netdev_dummy_set_config(struct netdev *netdev_, const struct smap *args, |
868 | char **errp OVS_UNUSED) | |
614c4892 | 869 | { |
b5d57fc8 | 870 | struct netdev_dummy *netdev = netdev_dummy_cast(netdev_); |
55d87b06 | 871 | const char *pcap; |
d66e4a5e | 872 | int new_n_rxq, new_n_txq, new_numa_id; |
614c4892 | 873 | |
86383816 | 874 | ovs_mutex_lock(&netdev->mutex); |
b5d57fc8 | 875 | netdev->ifindex = smap_get_int(args, "ifindex", -EOPNOTSUPP); |
eab5611a | 876 | |
631486bd | 877 | dummy_packet_conn_set_config(&netdev->conn, args); |
55d87b06 | 878 | |
f7791740 | 879 | if (netdev->rxq_pcap) { |
b6e840ae | 880 | ovs_pcap_close(netdev->rxq_pcap); |
55d87b06 | 881 | } |
f7791740 | 882 | if (netdev->tx_pcap && netdev->tx_pcap != netdev->rxq_pcap) { |
b6e840ae | 883 | ovs_pcap_close(netdev->tx_pcap); |
55d87b06 | 884 | } |
f7791740 | 885 | netdev->rxq_pcap = netdev->tx_pcap = NULL; |
55d87b06 BP |
886 | pcap = smap_get(args, "pcap"); |
887 | if (pcap) { | |
f7791740 | 888 | netdev->rxq_pcap = netdev->tx_pcap = ovs_pcap_open(pcap, "ab"); |
55d87b06 | 889 | } else { |
f7791740 | 890 | const char *rxq_pcap = smap_get(args, "rxq_pcap"); |
55d87b06 BP |
891 | const char *tx_pcap = smap_get(args, "tx_pcap"); |
892 | ||
f7791740 PS |
893 | if (rxq_pcap) { |
894 | netdev->rxq_pcap = ovs_pcap_open(rxq_pcap, "ab"); | |
55d87b06 BP |
895 | } |
896 | if (tx_pcap) { | |
50aa0364 | 897 | netdev->tx_pcap = ovs_pcap_open(tx_pcap, "ab"); |
55d87b06 BP |
898 | } |
899 | } | |
900 | ||
9a81a637 IM |
901 | netdev_change_seq_changed(netdev_); |
902 | ||
903 | /* 'dummy-pmd' specific config. */ | |
904 | if (!netdev_->netdev_class->is_pmd) { | |
905 | goto exit; | |
906 | } | |
907 | ||
cce57f8d | 908 | new_n_rxq = MAX(smap_get_int(args, "n_rxq", NR_QUEUE), 1); |
909 | new_n_txq = MAX(smap_get_int(args, "n_txq", NR_QUEUE), 1); | |
bf9f6f80 | 910 | |
911 | if (new_n_rxq > DUMMY_MAX_QUEUES_PER_PORT || | |
912 | new_n_txq > DUMMY_MAX_QUEUES_PER_PORT) { | |
913 | VLOG_WARN("The one or both of interface %s queues" | |
914 | "(rxq: %d, txq: %d) exceed %d. Sets it %d.\n", | |
915 | netdev_get_name(netdev_), | |
916 | new_n_rxq, | |
917 | new_n_txq, | |
918 | DUMMY_MAX_QUEUES_PER_PORT, | |
919 | DUMMY_MAX_QUEUES_PER_PORT); | |
920 | ||
921 | new_n_rxq = MIN(DUMMY_MAX_QUEUES_PER_PORT, new_n_rxq); | |
922 | new_n_txq = MIN(DUMMY_MAX_QUEUES_PER_PORT, new_n_txq); | |
923 | } | |
924 | ||
d537e73a DDP |
925 | new_numa_id = smap_get_int(args, "numa_id", 0); |
926 | if (new_n_rxq != netdev->requested_n_rxq | |
d66e4a5e | 927 | || new_n_txq != netdev->requested_n_txq |
d537e73a | 928 | || new_numa_id != netdev->requested_numa_id) { |
9a81a637 | 929 | netdev->requested_n_rxq = new_n_rxq; |
d66e4a5e | 930 | netdev->requested_n_txq = new_n_txq; |
d537e73a | 931 | netdev->requested_numa_id = new_numa_id; |
9a81a637 IM |
932 | netdev_request_reconfigure(netdev_); |
933 | } | |
86383816 | 934 | |
9a81a637 IM |
935 | exit: |
936 | ovs_mutex_unlock(&netdev->mutex); | |
614c4892 BP |
937 | return 0; |
938 | } | |
939 | ||
f9176a3a | 940 | static int |
d537e73a | 941 | netdev_dummy_get_numa_id(const struct netdev *netdev_) |
f9176a3a | 942 | { |
d537e73a DDP |
943 | struct netdev_dummy *netdev = netdev_dummy_cast(netdev_); |
944 | ||
945 | ovs_mutex_lock(&netdev->mutex); | |
946 | int numa_id = netdev->numa_id; | |
947 | ovs_mutex_unlock(&netdev->mutex); | |
948 | ||
949 | return numa_id; | |
f9176a3a IM |
950 | } |
951 | ||
9a81a637 IM |
952 | /* Sets the number of tx queues and rx queues for the dummy PMD interface. */ |
953 | static int | |
954 | netdev_dummy_reconfigure(struct netdev *netdev_) | |
955 | { | |
956 | struct netdev_dummy *netdev = netdev_dummy_cast(netdev_); | |
957 | ||
958 | ovs_mutex_lock(&netdev->mutex); | |
959 | ||
960 | netdev_->n_txq = netdev->requested_n_txq; | |
961 | netdev_->n_rxq = netdev->requested_n_rxq; | |
d537e73a | 962 | netdev->numa_id = netdev->requested_numa_id; |
9a81a637 IM |
963 | |
964 | ovs_mutex_unlock(&netdev->mutex); | |
965 | return 0; | |
966 | } | |
967 | ||
f7791740 PS |
968 | static struct netdev_rxq * |
969 | netdev_dummy_rxq_alloc(void) | |
9dc63482 | 970 | { |
f7791740 | 971 | struct netdev_rxq_dummy *rx = xzalloc(sizeof *rx); |
9dc63482 BP |
972 | return &rx->up; |
973 | } | |
974 | ||
7b6b0ef4 | 975 | static int |
f7791740 | 976 | netdev_dummy_rxq_construct(struct netdev_rxq *rxq_) |
7b6b0ef4 | 977 | { |
f7791740 | 978 | struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); |
9dc63482 | 979 | struct netdev_dummy *netdev = netdev_dummy_cast(rx->up.netdev); |
796223f5 | 980 | |
86383816 | 981 | ovs_mutex_lock(&netdev->mutex); |
417e7e66 BW |
982 | ovs_list_push_back(&netdev->rxes, &rx->node); |
983 | ovs_list_init(&rx->recv_queue); | |
e34cfdd9 | 984 | rx->recv_queue_len = 0; |
98045eda | 985 | rx->seq = seq_create(); |
86383816 | 986 | ovs_mutex_unlock(&netdev->mutex); |
796223f5 | 987 | |
7b6b0ef4 BP |
988 | return 0; |
989 | } | |
990 | ||
9dc63482 | 991 | static void |
f7791740 | 992 | netdev_dummy_rxq_destruct(struct netdev_rxq *rxq_) |
9dc63482 | 993 | { |
f7791740 | 994 | struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); |
86383816 | 995 | struct netdev_dummy *netdev = netdev_dummy_cast(rx->up.netdev); |
9dc63482 | 996 | |
86383816 | 997 | ovs_mutex_lock(&netdev->mutex); |
417e7e66 | 998 | ovs_list_remove(&rx->node); |
8613db65 | 999 | pkt_list_delete(&rx->recv_queue); |
86383816 | 1000 | ovs_mutex_unlock(&netdev->mutex); |
98045eda | 1001 | seq_destroy(rx->seq); |
9dc63482 BP |
1002 | } |
1003 | ||
1004 | static void | |
f7791740 | 1005 | netdev_dummy_rxq_dealloc(struct netdev_rxq *rxq_) |
9dc63482 | 1006 | { |
f7791740 | 1007 | struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); |
9dc63482 BP |
1008 | |
1009 | free(rx); | |
1010 | } | |
1011 | ||
7b6b0ef4 | 1012 | static int |
8492adc2 JS |
1013 | netdev_dummy_rxq_recv(struct netdev_rxq *rxq_, struct dp_packet_batch *batch, |
1014 | int *qfill) | |
fbac791a | 1015 | { |
f7791740 | 1016 | struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); |
86383816 | 1017 | struct netdev_dummy *netdev = netdev_dummy_cast(rx->up.netdev); |
cf62fa4c | 1018 | struct dp_packet *packet; |
fbac791a | 1019 | |
86383816 | 1020 | ovs_mutex_lock(&netdev->mutex); |
417e7e66 | 1021 | if (!ovs_list_is_empty(&rx->recv_queue)) { |
8613db65 DDP |
1022 | struct pkt_list_node *pkt_node; |
1023 | ||
417e7e66 | 1024 | ASSIGN_CONTAINER(pkt_node, ovs_list_pop_front(&rx->recv_queue), list_node); |
8613db65 DDP |
1025 | packet = pkt_node->pkt; |
1026 | free(pkt_node); | |
86383816 BP |
1027 | rx->recv_queue_len--; |
1028 | } else { | |
1029 | packet = NULL; | |
1030 | } | |
1031 | ovs_mutex_unlock(&netdev->mutex); | |
1032 | ||
1033 | if (!packet) { | |
f8cf6502 DDP |
1034 | if (netdev_is_pmd(&netdev->up)) { |
1035 | /* If 'netdev' is a PMD device, this is called as part of the PMD | |
1036 | * thread busy loop. We yield here (without quiescing) for two | |
1037 | * reasons: | |
1038 | * | |
1039 | * - To reduce the CPU utilization during the testsuite | |
1040 | * - To give valgrind a chance to switch thread. According | |
1041 | * to the valgrind documentation, there's a big lock that | |
1042 | * prevents multiple thread from being executed at the same | |
1043 | * time. On my system, without this sleep, the pmd threads | |
1044 | * testcases fail under valgrind, because ovs-vswitchd becomes | |
1045 | * unresponsive. */ | |
1046 | sched_yield(); | |
1047 | } | |
bfd3367b | 1048 | return EAGAIN; |
fbac791a | 1049 | } |
df1e5a3b PS |
1050 | ovs_mutex_lock(&netdev->mutex); |
1051 | netdev->stats.rx_packets++; | |
cf62fa4c | 1052 | netdev->stats.rx_bytes += dp_packet_size(packet); |
971f4b39 MW |
1053 | netdev->custom_stats[0].value++; |
1054 | netdev->custom_stats[1].value++; | |
df1e5a3b | 1055 | ovs_mutex_unlock(&netdev->mutex); |
fbac791a | 1056 | |
1270b6e5 | 1057 | dp_packet_batch_init_packet(batch, packet); |
8492adc2 JS |
1058 | |
1059 | if (qfill) { | |
1060 | *qfill = -ENOTSUP; | |
1061 | } | |
1062 | ||
df1e5a3b | 1063 | return 0; |
fbac791a BP |
1064 | } |
1065 | ||
1066 | static void | |
f7791740 | 1067 | netdev_dummy_rxq_wait(struct netdev_rxq *rxq_) |
796223f5 | 1068 | { |
f7791740 | 1069 | struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); |
86383816 | 1070 | struct netdev_dummy *netdev = netdev_dummy_cast(rx->up.netdev); |
98045eda | 1071 | uint64_t seq = seq_read(rx->seq); |
86383816 BP |
1072 | |
1073 | ovs_mutex_lock(&netdev->mutex); | |
417e7e66 | 1074 | if (!ovs_list_is_empty(&rx->recv_queue)) { |
fbac791a | 1075 | poll_immediate_wake(); |
98045eda BP |
1076 | } else { |
1077 | seq_wait(rx->seq, seq); | |
fbac791a | 1078 | } |
86383816 | 1079 | ovs_mutex_unlock(&netdev->mutex); |
fbac791a BP |
1080 | } |
1081 | ||
1082 | static int | |
f7791740 | 1083 | netdev_dummy_rxq_drain(struct netdev_rxq *rxq_) |
fbac791a | 1084 | { |
f7791740 | 1085 | struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); |
86383816 BP |
1086 | struct netdev_dummy *netdev = netdev_dummy_cast(rx->up.netdev); |
1087 | ||
1088 | ovs_mutex_lock(&netdev->mutex); | |
8613db65 | 1089 | pkt_list_delete(&rx->recv_queue); |
e34cfdd9 | 1090 | rx->recv_queue_len = 0; |
86383816 BP |
1091 | ovs_mutex_unlock(&netdev->mutex); |
1092 | ||
98045eda BP |
1093 | seq_change(rx->seq); |
1094 | ||
fbac791a | 1095 | return 0; |
7b6b0ef4 BP |
1096 | } |
1097 | ||
02d5bfe3 | 1098 | static int |
f00fa8cb | 1099 | netdev_dummy_send(struct netdev *netdev, int qid OVS_UNUSED, |
b30896c9 | 1100 | struct dp_packet_batch *batch, |
324c8374 | 1101 | bool concurrent_txq OVS_UNUSED) |
02d5bfe3 | 1102 | { |
b5d57fc8 | 1103 | struct netdev_dummy *dev = netdev_dummy_cast(netdev); |
f4fd623c | 1104 | int error = 0; |
eab5611a | 1105 | |
72c84bc2 | 1106 | struct dp_packet *packet; |
e883448e | 1107 | DP_PACKET_BATCH_FOR_EACH(i, packet, batch) { |
72c84bc2 | 1108 | const void *buffer = dp_packet_data(packet); |
ad8b0b4f | 1109 | size_t size = dp_packet_size(packet); |
eab5611a | 1110 | |
940ac2ce | 1111 | if (!dp_packet_is_eth(packet)) { |
2482b0b0 JS |
1112 | error = EPFNOSUPPORT; |
1113 | break; | |
1114 | } | |
1115 | ||
f4fd623c DDP |
1116 | if (size < ETH_HEADER_LEN) { |
1117 | error = EMSGSIZE; | |
1118 | break; | |
1119 | } else { | |
1120 | const struct eth_header *eth = buffer; | |
1121 | int max_size; | |
36e2140d | 1122 | |
f4fd623c DDP |
1123 | ovs_mutex_lock(&dev->mutex); |
1124 | max_size = dev->mtu + ETH_HEADER_LEN; | |
1125 | ovs_mutex_unlock(&dev->mutex); | |
1126 | ||
1127 | if (eth->eth_type == htons(ETH_TYPE_VLAN)) { | |
1128 | max_size += VLAN_HEADER_LEN; | |
1129 | } | |
1130 | if (size > max_size) { | |
1131 | error = EMSGSIZE; | |
1132 | break; | |
1133 | } | |
eab5611a | 1134 | } |
02d5bfe3 | 1135 | |
f4fd623c DDP |
1136 | ovs_mutex_lock(&dev->mutex); |
1137 | dev->stats.tx_packets++; | |
1138 | dev->stats.tx_bytes += size; | |
1139 | ||
1140 | dummy_packet_conn_send(&dev->conn, buffer, size); | |
02d5bfe3 | 1141 | |
bde96a9a BP |
1142 | /* Reply to ARP requests for 'dev''s assigned IP address. */ |
1143 | if (dev->address.s_addr) { | |
71f21279 | 1144 | struct dp_packet dp; |
bde96a9a BP |
1145 | struct flow flow; |
1146 | ||
71f21279 BP |
1147 | dp_packet_use_const(&dp, buffer, size); |
1148 | flow_extract(&dp, &flow); | |
bde96a9a BP |
1149 | if (flow.dl_type == htons(ETH_TYPE_ARP) |
1150 | && flow.nw_proto == ARP_OP_REQUEST | |
1151 | && flow.nw_dst == dev->address.s_addr) { | |
1152 | struct dp_packet *reply = dp_packet_new(0); | |
1153 | compose_arp(reply, ARP_OP_REPLY, dev->hwaddr, flow.dl_src, | |
1154 | false, flow.nw_dst, flow.nw_src); | |
4960f9ad | 1155 | netdev_dummy_queue_packet(dev, reply, NULL, 0); |
bde96a9a BP |
1156 | } |
1157 | } | |
1158 | ||
f4fd623c | 1159 | if (dev->tx_pcap) { |
71f21279 | 1160 | struct dp_packet dp; |
631486bd | 1161 | |
71f21279 BP |
1162 | dp_packet_use_const(&dp, buffer, size); |
1163 | ovs_pcap_write(dev->tx_pcap, &dp); | |
f4fd623c | 1164 | } |
55d87b06 | 1165 | |
f4fd623c | 1166 | ovs_mutex_unlock(&dev->mutex); |
55d87b06 BP |
1167 | } |
1168 | ||
b30896c9 | 1169 | dp_packet_delete_batch(batch, true); |
eab5611a | 1170 | |
f4fd623c | 1171 | return error; |
02d5bfe3 BP |
1172 | } |
1173 | ||
614c4892 | 1174 | static int |
74ff3298 | 1175 | netdev_dummy_set_etheraddr(struct netdev *netdev, const struct eth_addr mac) |
614c4892 | 1176 | { |
b5d57fc8 | 1177 | struct netdev_dummy *dev = netdev_dummy_cast(netdev); |
614c4892 | 1178 | |
86383816 | 1179 | ovs_mutex_lock(&dev->mutex); |
614c4892 | 1180 | if (!eth_addr_equals(dev->hwaddr, mac)) { |
74ff3298 | 1181 | dev->hwaddr = mac; |
3e912ffc | 1182 | netdev_change_seq_changed(netdev); |
614c4892 | 1183 | } |
86383816 | 1184 | ovs_mutex_unlock(&dev->mutex); |
614c4892 BP |
1185 | |
1186 | return 0; | |
1187 | } | |
1188 | ||
1189 | static int | |
74ff3298 | 1190 | netdev_dummy_get_etheraddr(const struct netdev *netdev, struct eth_addr *mac) |
614c4892 | 1191 | { |
86383816 | 1192 | struct netdev_dummy *dev = netdev_dummy_cast(netdev); |
614c4892 | 1193 | |
86383816 | 1194 | ovs_mutex_lock(&dev->mutex); |
74ff3298 | 1195 | *mac = dev->hwaddr; |
86383816 BP |
1196 | ovs_mutex_unlock(&dev->mutex); |
1197 | ||
614c4892 BP |
1198 | return 0; |
1199 | } | |
1200 | ||
1201 | static int | |
1202 | netdev_dummy_get_mtu(const struct netdev *netdev, int *mtup) | |
1203 | { | |
86383816 | 1204 | struct netdev_dummy *dev = netdev_dummy_cast(netdev); |
614c4892 | 1205 | |
86383816 | 1206 | ovs_mutex_lock(&dev->mutex); |
614c4892 | 1207 | *mtup = dev->mtu; |
86383816 BP |
1208 | ovs_mutex_unlock(&dev->mutex); |
1209 | ||
614c4892 BP |
1210 | return 0; |
1211 | } | |
1212 | ||
56edfb18 | 1213 | #define DUMMY_MIN_MTU 68 |
1214 | #define DUMMY_MAX_MTU 65535 | |
1215 | ||
9b020780 | 1216 | static int |
4124cb12 | 1217 | netdev_dummy_set_mtu(struct netdev *netdev, int mtu) |
9b020780 | 1218 | { |
56edfb18 | 1219 | if (mtu < DUMMY_MIN_MTU || mtu > DUMMY_MAX_MTU) { |
1220 | return EINVAL; | |
1221 | } | |
1222 | ||
b5d57fc8 | 1223 | struct netdev_dummy *dev = netdev_dummy_cast(netdev); |
9b020780 | 1224 | |
86383816 | 1225 | ovs_mutex_lock(&dev->mutex); |
ae59d134 DDP |
1226 | if (dev->mtu != mtu) { |
1227 | dev->mtu = mtu; | |
1228 | netdev_change_seq_changed(netdev); | |
1229 | } | |
86383816 BP |
1230 | ovs_mutex_unlock(&dev->mutex); |
1231 | ||
9b020780 PS |
1232 | return 0; |
1233 | } | |
1234 | ||
614c4892 BP |
1235 | static int |
1236 | netdev_dummy_get_stats(const struct netdev *netdev, struct netdev_stats *stats) | |
1237 | { | |
86383816 | 1238 | struct netdev_dummy *dev = netdev_dummy_cast(netdev); |
614c4892 | 1239 | |
86383816 | 1240 | ovs_mutex_lock(&dev->mutex); |
d6e3feb5 | 1241 | /* Passing only collected counters */ |
1242 | stats->tx_packets = dev->stats.tx_packets; | |
1243 | stats->tx_bytes = dev->stats.tx_bytes; | |
1244 | stats->rx_packets = dev->stats.rx_packets; | |
1245 | stats->rx_bytes = dev->stats.rx_bytes; | |
86383816 BP |
1246 | ovs_mutex_unlock(&dev->mutex); |
1247 | ||
614c4892 BP |
1248 | return 0; |
1249 | } | |
1250 | ||
971f4b39 MW |
1251 | static int |
1252 | netdev_dummy_get_custom_stats(const struct netdev *netdev, | |
1253 | struct netdev_custom_stats *custom_stats) | |
1254 | { | |
1255 | int i; | |
1256 | ||
1257 | struct netdev_dummy *dev = netdev_dummy_cast(netdev); | |
1258 | ||
1259 | custom_stats->size = 2; | |
1260 | custom_stats->counters = | |
1261 | (struct netdev_custom_counter *) xcalloc(C_STATS_SIZE, | |
1262 | sizeof(struct netdev_custom_counter)); | |
1263 | ||
ae9f2ce7 | 1264 | ovs_mutex_lock(&dev->mutex); |
971f4b39 MW |
1265 | for (i = 0 ; i < C_STATS_SIZE ; i++) { |
1266 | custom_stats->counters[i].value = dev->custom_stats[i].value; | |
1267 | ovs_strlcpy(custom_stats->counters[i].name, | |
1268 | dev->custom_stats[i].name, | |
1269 | NETDEV_CUSTOM_STATS_NAME_SIZE); | |
1270 | } | |
ae9f2ce7 | 1271 | ovs_mutex_unlock(&dev->mutex); |
971f4b39 MW |
1272 | |
1273 | return 0; | |
1274 | } | |
1275 | ||
f72dff1a BP |
1276 | static int |
1277 | netdev_dummy_get_queue(const struct netdev *netdev OVS_UNUSED, | |
1278 | unsigned int queue_id, struct smap *details OVS_UNUSED) | |
1279 | { | |
1280 | if (queue_id == 0) { | |
1281 | return 0; | |
1282 | } else { | |
1283 | return EINVAL; | |
1284 | } | |
1285 | } | |
1286 | ||
1287 | static void | |
1288 | netdev_dummy_init_queue_stats(struct netdev_queue_stats *stats) | |
1289 | { | |
1290 | *stats = (struct netdev_queue_stats) { | |
1291 | .tx_bytes = UINT64_MAX, | |
1292 | .tx_packets = UINT64_MAX, | |
1293 | .tx_errors = UINT64_MAX, | |
1294 | .created = LLONG_MIN, | |
1295 | }; | |
1296 | } | |
1297 | ||
1298 | static int | |
1299 | netdev_dummy_get_queue_stats(const struct netdev *netdev OVS_UNUSED, | |
1300 | unsigned int queue_id, | |
1301 | struct netdev_queue_stats *stats) | |
1302 | { | |
1303 | if (queue_id == 0) { | |
1304 | netdev_dummy_init_queue_stats(stats); | |
1305 | return 0; | |
1306 | } else { | |
1307 | return EINVAL; | |
1308 | } | |
1309 | } | |
1310 | ||
1311 | struct netdev_dummy_queue_state { | |
1312 | unsigned int next_queue; | |
1313 | }; | |
1314 | ||
1315 | static int | |
1316 | netdev_dummy_queue_dump_start(const struct netdev *netdev OVS_UNUSED, | |
1317 | void **statep) | |
1318 | { | |
1319 | struct netdev_dummy_queue_state *state = xmalloc(sizeof *state); | |
1320 | state->next_queue = 0; | |
1321 | *statep = state; | |
1322 | return 0; | |
1323 | } | |
1324 | ||
1325 | static int | |
1326 | netdev_dummy_queue_dump_next(const struct netdev *netdev OVS_UNUSED, | |
1327 | void *state_, | |
1328 | unsigned int *queue_id, | |
1329 | struct smap *details OVS_UNUSED) | |
1330 | { | |
1331 | struct netdev_dummy_queue_state *state = state_; | |
1332 | if (state->next_queue == 0) { | |
1333 | *queue_id = 0; | |
1334 | state->next_queue++; | |
1335 | return 0; | |
1336 | } else { | |
1337 | return EOF; | |
1338 | } | |
1339 | } | |
1340 | ||
1341 | static int | |
1342 | netdev_dummy_queue_dump_done(const struct netdev *netdev OVS_UNUSED, | |
1343 | void *state) | |
1344 | { | |
1345 | free(state); | |
1346 | return 0; | |
1347 | } | |
1348 | ||
1349 | static int | |
1350 | netdev_dummy_dump_queue_stats(const struct netdev *netdev OVS_UNUSED, | |
1351 | void (*cb)(unsigned int queue_id, | |
1352 | struct netdev_queue_stats *, | |
1353 | void *aux), | |
1354 | void *aux) | |
1355 | { | |
1356 | struct netdev_queue_stats stats; | |
1357 | netdev_dummy_init_queue_stats(&stats); | |
1358 | cb(0, &stats, aux); | |
1359 | return 0; | |
1360 | } | |
1361 | ||
8073dd31 NM |
1362 | static int |
1363 | netdev_dummy_get_ifindex(const struct netdev *netdev) | |
1364 | { | |
b5d57fc8 | 1365 | struct netdev_dummy *dev = netdev_dummy_cast(netdev); |
86383816 BP |
1366 | int ifindex; |
1367 | ||
1368 | ovs_mutex_lock(&dev->mutex); | |
1369 | ifindex = dev->ifindex; | |
1370 | ovs_mutex_unlock(&dev->mutex); | |
8073dd31 | 1371 | |
86383816 | 1372 | return ifindex; |
8073dd31 NM |
1373 | } |
1374 | ||
614c4892 | 1375 | static int |
86383816 BP |
1376 | netdev_dummy_update_flags__(struct netdev_dummy *netdev, |
1377 | enum netdev_flags off, enum netdev_flags on, | |
1378 | enum netdev_flags *old_flagsp) | |
1379 | OVS_REQUIRES(netdev->mutex) | |
614c4892 | 1380 | { |
614c4892 BP |
1381 | if ((off | on) & ~(NETDEV_UP | NETDEV_PROMISC)) { |
1382 | return EINVAL; | |
1383 | } | |
1384 | ||
b5d57fc8 BP |
1385 | *old_flagsp = netdev->flags; |
1386 | netdev->flags |= on; | |
1387 | netdev->flags &= ~off; | |
1388 | if (*old_flagsp != netdev->flags) { | |
3e912ffc | 1389 | netdev_change_seq_changed(&netdev->up); |
614c4892 | 1390 | } |
86383816 | 1391 | |
614c4892 BP |
1392 | return 0; |
1393 | } | |
1394 | ||
86383816 BP |
1395 | static int |
1396 | netdev_dummy_update_flags(struct netdev *netdev_, | |
1397 | enum netdev_flags off, enum netdev_flags on, | |
1398 | enum netdev_flags *old_flagsp) | |
1399 | { | |
1400 | struct netdev_dummy *netdev = netdev_dummy_cast(netdev_); | |
1401 | int error; | |
1402 | ||
1403 | ovs_mutex_lock(&netdev->mutex); | |
1404 | error = netdev_dummy_update_flags__(netdev, off, on, old_flagsp); | |
1405 | ovs_mutex_unlock(&netdev->mutex); | |
1406 | ||
1407 | return error; | |
1408 | } | |
b4f86fcc IM |
1409 | |
1410 | /* Flow offload API. */ | |
1411 | static uint32_t | |
1412 | netdev_dummy_flow_hash(const ovs_u128 *ufid) | |
1413 | { | |
1414 | return ufid->u32[0]; | |
1415 | } | |
1416 | ||
1417 | static struct offloaded_flow * | |
1418 | find_offloaded_flow(const struct hmap *offloaded_flows, const ovs_u128 *ufid) | |
1419 | { | |
1420 | uint32_t hash = netdev_dummy_flow_hash(ufid); | |
1421 | struct offloaded_flow *data; | |
1422 | ||
1423 | HMAP_FOR_EACH_WITH_HASH (data, node, hash, offloaded_flows) { | |
1424 | if (ovs_u128_equals(*ufid, data->ufid)) { | |
1425 | return data; | |
1426 | } | |
1427 | } | |
1428 | ||
1429 | return NULL; | |
1430 | } | |
1431 | ||
1432 | static int | |
1433 | netdev_dummy_flow_put(struct netdev *netdev, struct match *match, | |
1434 | struct nlattr *actions OVS_UNUSED, | |
1435 | size_t actions_len OVS_UNUSED, | |
1436 | const ovs_u128 *ufid, struct offload_info *info, | |
75ad1cd6 | 1437 | struct dpif_flow_stats *stats) |
b4f86fcc IM |
1438 | { |
1439 | struct netdev_dummy *dev = netdev_dummy_cast(netdev); | |
1440 | struct offloaded_flow *off_flow; | |
fa059073 | 1441 | bool modify = true; |
b4f86fcc IM |
1442 | |
1443 | ovs_mutex_lock(&dev->mutex); | |
1444 | ||
1445 | off_flow = find_offloaded_flow(&dev->offloaded_flows, ufid); | |
1446 | if (!off_flow) { | |
1447 | /* Create new offloaded flow. */ | |
1448 | off_flow = xzalloc(sizeof *off_flow); | |
1449 | memcpy(&off_flow->ufid, ufid, sizeof *ufid); | |
1450 | hmap_insert(&dev->offloaded_flows, &off_flow->node, | |
1451 | netdev_dummy_flow_hash(ufid)); | |
fa059073 | 1452 | modify = false; |
b4f86fcc IM |
1453 | } |
1454 | ||
1455 | off_flow->mark = info->flow_mark; | |
1456 | memcpy(&off_flow->match, match, sizeof *match); | |
1457 | ||
1458 | /* As we have per-netdev 'offloaded_flows', we don't need to match | |
1459 | * the 'in_port' for received packets. This will also allow offloading for | |
1460 | * packets passed to 'receive' command without specifying the 'in_port'. */ | |
1461 | off_flow->match.wc.masks.in_port.odp_port = 0; | |
1462 | ||
1463 | ovs_mutex_unlock(&dev->mutex); | |
1464 | ||
fa059073 IM |
1465 | if (VLOG_IS_DBG_ENABLED()) { |
1466 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1467 | ||
1468 | ds_put_format(&ds, "%s: flow put[%s]: ", netdev_get_name(netdev), | |
1469 | modify ? "modify" : "create"); | |
1470 | odp_format_ufid(ufid, &ds); | |
1471 | ds_put_cstr(&ds, " flow match: "); | |
1472 | match_format(match, NULL, &ds, OFP_DEFAULT_PRIORITY); | |
1473 | ds_put_format(&ds, ", mark: %"PRIu32, info->flow_mark); | |
1474 | ||
1475 | VLOG_DBG("%s", ds_cstr(&ds)); | |
1476 | ds_destroy(&ds); | |
1477 | } | |
1478 | ||
75ad1cd6 BP |
1479 | if (stats) { |
1480 | memset(stats, 0, sizeof *stats); | |
1481 | } | |
b4f86fcc IM |
1482 | return 0; |
1483 | } | |
1484 | ||
1485 | static int | |
1486 | netdev_dummy_flow_del(struct netdev *netdev, const ovs_u128 *ufid, | |
75ad1cd6 | 1487 | struct dpif_flow_stats *stats) |
b4f86fcc IM |
1488 | { |
1489 | struct netdev_dummy *dev = netdev_dummy_cast(netdev); | |
1490 | struct offloaded_flow *off_flow; | |
fa059073 IM |
1491 | const char *error = NULL; |
1492 | uint32_t mark; | |
b4f86fcc IM |
1493 | |
1494 | ovs_mutex_lock(&dev->mutex); | |
1495 | ||
1496 | off_flow = find_offloaded_flow(&dev->offloaded_flows, ufid); | |
1497 | if (!off_flow) { | |
fa059073 IM |
1498 | error = "No such flow."; |
1499 | goto exit; | |
b4f86fcc IM |
1500 | } |
1501 | ||
fa059073 | 1502 | mark = off_flow->mark; |
b4f86fcc IM |
1503 | hmap_remove(&dev->offloaded_flows, &off_flow->node); |
1504 | free(off_flow); | |
1505 | ||
fa059073 | 1506 | exit: |
b4f86fcc | 1507 | ovs_mutex_unlock(&dev->mutex); |
fa059073 IM |
1508 | |
1509 | if (error || VLOG_IS_DBG_ENABLED()) { | |
1510 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1511 | ||
1512 | ds_put_format(&ds, "%s: ", netdev_get_name(netdev)); | |
1513 | if (error) { | |
1514 | ds_put_cstr(&ds, "failed to "); | |
1515 | } | |
1516 | ds_put_cstr(&ds, "flow del: "); | |
1517 | odp_format_ufid(ufid, &ds); | |
1518 | if (error) { | |
1519 | ds_put_format(&ds, " error: %s", error); | |
1520 | } else { | |
1521 | ds_put_format(&ds, " mark: %"PRIu32, mark); | |
1522 | } | |
1523 | VLOG(error ? VLL_WARN : VLL_DBG, "%s", ds_cstr(&ds)); | |
1524 | ds_destroy(&ds); | |
1525 | } | |
1526 | ||
75ad1cd6 BP |
1527 | if (stats) { |
1528 | memset(stats, 0, sizeof *stats); | |
1529 | } | |
fa059073 | 1530 | return error ? -1 : 0; |
b4f86fcc IM |
1531 | } |
1532 | ||
89c09c1c BP |
1533 | #define NETDEV_DUMMY_CLASS_COMMON \ |
1534 | .run = netdev_dummy_run, \ | |
1535 | .wait = netdev_dummy_wait, \ | |
1536 | .alloc = netdev_dummy_alloc, \ | |
1537 | .construct = netdev_dummy_construct, \ | |
1538 | .destruct = netdev_dummy_destruct, \ | |
1539 | .dealloc = netdev_dummy_dealloc, \ | |
1540 | .get_config = netdev_dummy_get_config, \ | |
1541 | .set_config = netdev_dummy_set_config, \ | |
1542 | .get_numa_id = netdev_dummy_get_numa_id, \ | |
1543 | .send = netdev_dummy_send, \ | |
1544 | .set_etheraddr = netdev_dummy_set_etheraddr, \ | |
1545 | .get_etheraddr = netdev_dummy_get_etheraddr, \ | |
1546 | .get_mtu = netdev_dummy_get_mtu, \ | |
1547 | .set_mtu = netdev_dummy_set_mtu, \ | |
1548 | .get_ifindex = netdev_dummy_get_ifindex, \ | |
1549 | .get_stats = netdev_dummy_get_stats, \ | |
1550 | .get_custom_stats = netdev_dummy_get_custom_stats, \ | |
1551 | .get_queue = netdev_dummy_get_queue, \ | |
1552 | .get_queue_stats = netdev_dummy_get_queue_stats, \ | |
1553 | .queue_dump_start = netdev_dummy_queue_dump_start, \ | |
1554 | .queue_dump_next = netdev_dummy_queue_dump_next, \ | |
1555 | .queue_dump_done = netdev_dummy_queue_dump_done, \ | |
1556 | .dump_queue_stats = netdev_dummy_dump_queue_stats, \ | |
1557 | .get_addr_list = netdev_dummy_get_addr_list, \ | |
1558 | .update_flags = netdev_dummy_update_flags, \ | |
1559 | .rxq_alloc = netdev_dummy_rxq_alloc, \ | |
1560 | .rxq_construct = netdev_dummy_rxq_construct, \ | |
1561 | .rxq_destruct = netdev_dummy_rxq_destruct, \ | |
1562 | .rxq_dealloc = netdev_dummy_rxq_dealloc, \ | |
1563 | .rxq_recv = netdev_dummy_rxq_recv, \ | |
1564 | .rxq_wait = netdev_dummy_rxq_wait, \ | |
5fc5c50f | 1565 | .rxq_drain = netdev_dummy_rxq_drain |
89c09c1c BP |
1566 | |
1567 | static const struct netdev_class dummy_class = { | |
1568 | NETDEV_DUMMY_CLASS_COMMON, | |
1569 | .type = "dummy" | |
1570 | }; | |
9a81a637 | 1571 | |
89c09c1c BP |
1572 | static const struct netdev_class dummy_internal_class = { |
1573 | NETDEV_DUMMY_CLASS_COMMON, | |
1574 | .type = "dummy-internal" | |
1575 | }; | |
e98d0cb3 | 1576 | |
89c09c1c BP |
1577 | static const struct netdev_class dummy_pmd_class = { |
1578 | NETDEV_DUMMY_CLASS_COMMON, | |
1579 | .type = "dummy-pmd", | |
1580 | .is_pmd = true, | |
1581 | .reconfigure = netdev_dummy_reconfigure | |
1582 | }; | |
5fc5c50f IM |
1583 | |
1584 | static int | |
1585 | netdev_dummy_offloads_init_flow_api(struct netdev *netdev) | |
1586 | { | |
1587 | return is_dummy_class(netdev->netdev_class) ? 0 : EOPNOTSUPP; | |
1588 | } | |
1589 | ||
4f746d52 | 1590 | static const struct netdev_flow_api netdev_offload_dummy = { |
5fc5c50f IM |
1591 | .type = "dummy", |
1592 | .flow_put = netdev_dummy_flow_put, | |
1593 | .flow_del = netdev_dummy_flow_del, | |
1594 | .init_flow_api = netdev_dummy_offloads_init_flow_api, | |
1595 | }; | |
1596 | ||
b4f86fcc IM |
1597 | \f |
1598 | /* Helper functions. */ | |
796223f5 | 1599 | |
8613db65 DDP |
1600 | static void |
1601 | pkt_list_delete(struct ovs_list *l) | |
1602 | { | |
1603 | struct pkt_list_node *pkt; | |
1604 | ||
1605 | LIST_FOR_EACH_POP(pkt, list_node, l) { | |
1606 | dp_packet_delete(pkt->pkt); | |
1607 | free(pkt); | |
1608 | } | |
1609 | } | |
1610 | ||
cf62fa4c | 1611 | static struct dp_packet * |
d8ada236 AZ |
1612 | eth_from_packet(const char *s) |
1613 | { | |
1614 | struct dp_packet *packet; | |
1615 | eth_from_hex(s, &packet); | |
1616 | return packet; | |
1617 | } | |
1618 | ||
1619 | static struct dp_packet * | |
4960f9ad IM |
1620 | eth_from_flow_str(const char *s, size_t packet_size, |
1621 | struct flow *flow, char **errorp) | |
fbac791a | 1622 | { |
d40533fc BP |
1623 | *errorp = NULL; |
1624 | ||
fbac791a | 1625 | enum odp_key_fitness fitness; |
cf62fa4c | 1626 | struct dp_packet *packet; |
fbac791a | 1627 | struct ofpbuf odp_key; |
fbac791a BP |
1628 | int error; |
1629 | ||
fbac791a BP |
1630 | /* Convert string to datapath key. |
1631 | * | |
1632 | * It would actually be nicer to parse an OpenFlow-like flow key here, but | |
1633 | * the code for that currently calls exit() on parse error. We have to | |
1634 | * settle for parsing a datapath key for now. | |
1635 | */ | |
1636 | ofpbuf_init(&odp_key, 0); | |
d40533fc | 1637 | error = odp_flow_from_string(s, NULL, &odp_key, NULL, errorp); |
fbac791a BP |
1638 | if (error) { |
1639 | ofpbuf_uninit(&odp_key); | |
1640 | return NULL; | |
1641 | } | |
1642 | ||
1643 | /* Convert odp_key to flow. */ | |
4960f9ad | 1644 | fitness = odp_flow_key_to_flow(odp_key.data, odp_key.size, flow, errorp); |
fbac791a BP |
1645 | if (fitness == ODP_FIT_ERROR) { |
1646 | ofpbuf_uninit(&odp_key); | |
1647 | return NULL; | |
1648 | } | |
1649 | ||
cf62fa4c | 1650 | packet = dp_packet_new(0); |
6f068379 | 1651 | if (packet_size) { |
4960f9ad | 1652 | flow_compose(packet, flow, NULL, 0); |
6f068379 | 1653 | if (dp_packet_size(packet) < packet_size) { |
4960f9ad | 1654 | packet_expand(packet, flow, packet_size); |
6f068379 BP |
1655 | } else if (dp_packet_size(packet) > packet_size){ |
1656 | dp_packet_delete(packet); | |
1657 | packet = NULL; | |
1658 | } | |
1659 | } else { | |
4960f9ad | 1660 | flow_compose(packet, flow, NULL, 64); |
6f068379 | 1661 | } |
fbac791a BP |
1662 | |
1663 | ofpbuf_uninit(&odp_key); | |
1664 | return packet; | |
1665 | } | |
1666 | ||
323cc924 | 1667 | static void |
cf62fa4c | 1668 | netdev_dummy_queue_packet__(struct netdev_rxq_dummy *rx, struct dp_packet *packet) |
2273ea5a | 1669 | { |
8613db65 DDP |
1670 | struct pkt_list_node *pkt_node = xmalloc(sizeof *pkt_node); |
1671 | ||
1672 | pkt_node->pkt = packet; | |
417e7e66 | 1673 | ovs_list_push_back(&rx->recv_queue, &pkt_node->list_node); |
eab5611a | 1674 | rx->recv_queue_len++; |
98045eda | 1675 | seq_change(rx->seq); |
eab5611a | 1676 | } |
2273ea5a | 1677 | |
eab5611a | 1678 | static void |
9a81a637 | 1679 | netdev_dummy_queue_packet(struct netdev_dummy *dummy, struct dp_packet *packet, |
4960f9ad | 1680 | struct flow *flow, int queue_id) |
55d87b06 | 1681 | OVS_REQUIRES(dummy->mutex) |
eab5611a | 1682 | { |
f7791740 | 1683 | struct netdev_rxq_dummy *rx, *prev; |
4960f9ad IM |
1684 | struct offloaded_flow *data; |
1685 | struct flow packet_flow; | |
eab5611a | 1686 | |
f7791740 PS |
1687 | if (dummy->rxq_pcap) { |
1688 | ovs_pcap_write(dummy->rxq_pcap, packet); | |
55d87b06 | 1689 | } |
4960f9ad IM |
1690 | |
1691 | if (!flow) { | |
1692 | flow = &packet_flow; | |
1693 | flow_extract(packet, flow); | |
1694 | } | |
1695 | HMAP_FOR_EACH (data, node, &dummy->offloaded_flows) { | |
1696 | if (flow_equal_except(flow, &data->match.flow, &data->match.wc)) { | |
fa059073 | 1697 | |
4960f9ad | 1698 | dp_packet_set_flow_mark(packet, data->mark); |
fa059073 IM |
1699 | |
1700 | if (VLOG_IS_DBG_ENABLED()) { | |
1701 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1702 | ||
1703 | ds_put_format(&ds, "%s: packet: ", | |
1704 | netdev_get_name(&dummy->up)); | |
1705 | /* 'flow' does not contain proper port number here. | |
1706 | * Let's just clear it as it wildcarded anyway. */ | |
1707 | flow->in_port.ofp_port = 0; | |
1708 | flow_format(&ds, flow, NULL); | |
1709 | ||
1710 | ds_put_cstr(&ds, " matches with flow: "); | |
1711 | odp_format_ufid(&data->ufid, &ds); | |
1712 | ds_put_cstr(&ds, " "); | |
1713 | match_format(&data->match, NULL, &ds, OFP_DEFAULT_PRIORITY); | |
1714 | ds_put_format(&ds, " with mark: %"PRIu32, data->mark); | |
1715 | ||
1716 | VLOG_DBG("%s", ds_cstr(&ds)); | |
1717 | ds_destroy(&ds); | |
1718 | } | |
4960f9ad IM |
1719 | break; |
1720 | } | |
1721 | } | |
1722 | ||
eab5611a | 1723 | prev = NULL; |
2273ea5a | 1724 | LIST_FOR_EACH (rx, node, &dummy->rxes) { |
9a81a637 IM |
1725 | if (rx->up.queue_id == queue_id && |
1726 | rx->recv_queue_len < NETDEV_DUMMY_MAX_QUEUE) { | |
eab5611a | 1727 | if (prev) { |
cf62fa4c | 1728 | netdev_dummy_queue_packet__(prev, dp_packet_clone(packet)); |
eab5611a BP |
1729 | } |
1730 | prev = rx; | |
2273ea5a BP |
1731 | } |
1732 | } | |
eab5611a BP |
1733 | if (prev) { |
1734 | netdev_dummy_queue_packet__(prev, packet); | |
1735 | } else { | |
cf62fa4c | 1736 | dp_packet_delete(packet); |
eab5611a | 1737 | } |
2273ea5a BP |
1738 | } |
1739 | ||
fbac791a BP |
1740 | static void |
1741 | netdev_dummy_receive(struct unixctl_conn *conn, | |
1742 | int argc, const char *argv[], void *aux OVS_UNUSED) | |
1743 | { | |
b5d57fc8 | 1744 | struct netdev_dummy *dummy_dev; |
86f1d032 | 1745 | struct netdev *netdev; |
9a81a637 | 1746 | int i, k = 1, rx_qid = 0; |
fbac791a | 1747 | |
9a81a637 | 1748 | netdev = netdev_from_name(argv[k++]); |
86f1d032 | 1749 | if (!netdev || !is_dummy_class(netdev->netdev_class)) { |
bde9f75d | 1750 | unixctl_command_reply_error(conn, "no such dummy netdev"); |
9a81a637 | 1751 | goto exit_netdev; |
fbac791a | 1752 | } |
86f1d032 | 1753 | dummy_dev = netdev_dummy_cast(netdev); |
fbac791a | 1754 | |
9a81a637 IM |
1755 | ovs_mutex_lock(&dummy_dev->mutex); |
1756 | ||
1757 | if (argc > k + 1 && !strcmp(argv[k], "--qid")) { | |
1758 | rx_qid = strtol(argv[k + 1], NULL, 10); | |
1759 | if (rx_qid < 0 || rx_qid >= netdev->n_rxq) { | |
1760 | unixctl_command_reply_error(conn, "bad rx queue id."); | |
1761 | goto exit; | |
1762 | } | |
1763 | k += 2; | |
1764 | } | |
1765 | ||
1766 | for (i = k; i < argc; i++) { | |
cf62fa4c | 1767 | struct dp_packet *packet; |
4960f9ad | 1768 | struct flow flow; |
fbac791a | 1769 | |
d8ada236 AZ |
1770 | /* Try to parse 'argv[i]' as packet in hex. */ |
1771 | packet = eth_from_packet(argv[i]); | |
1772 | ||
fbac791a | 1773 | if (!packet) { |
1e2eecbb IM |
1774 | int packet_size = 0; |
1775 | const char *flow_str = argv[i]; | |
1776 | ||
1777 | /* Parse optional --len argument immediately follows a 'flow'. */ | |
1778 | if (argc >= i + 2 && !strcmp(argv[i + 1], "--len")) { | |
1779 | packet_size = strtol(argv[i + 2], NULL, 10); | |
1780 | ||
1781 | if (packet_size < ETH_TOTAL_MIN) { | |
1782 | unixctl_command_reply_error(conn, "too small packet len"); | |
1783 | goto exit; | |
1784 | } | |
df3a6d50 | 1785 | i += 2; |
1e2eecbb | 1786 | } |
d8ada236 | 1787 | /* Try parse 'argv[i]' as odp flow. */ |
d40533fc | 1788 | char *error_s; |
4960f9ad | 1789 | packet = eth_from_flow_str(flow_str, packet_size, &flow, &error_s); |
d8ada236 | 1790 | if (!packet) { |
d40533fc BP |
1791 | unixctl_command_reply_error(conn, error_s); |
1792 | free(error_s); | |
d8ada236 AZ |
1793 | goto exit; |
1794 | } | |
4960f9ad IM |
1795 | } else { |
1796 | flow_extract(packet, &flow); | |
fbac791a BP |
1797 | } |
1798 | ||
4960f9ad | 1799 | netdev_dummy_queue_packet(dummy_dev, packet, &flow, rx_qid); |
fbac791a BP |
1800 | } |
1801 | ||
323cc924 | 1802 | unixctl_command_reply(conn, NULL); |
86f1d032 BP |
1803 | |
1804 | exit: | |
9a81a637 IM |
1805 | ovs_mutex_unlock(&dummy_dev->mutex); |
1806 | exit_netdev: | |
86f1d032 | 1807 | netdev_close(netdev); |
fbac791a BP |
1808 | } |
1809 | ||
95d4ec33 | 1810 | static void |
b5d57fc8 | 1811 | netdev_dummy_set_admin_state__(struct netdev_dummy *dev, bool admin_state) |
86383816 | 1812 | OVS_REQUIRES(dev->mutex) |
95d4ec33 EJ |
1813 | { |
1814 | enum netdev_flags old_flags; | |
1815 | ||
1816 | if (admin_state) { | |
86383816 | 1817 | netdev_dummy_update_flags__(dev, 0, NETDEV_UP, &old_flags); |
95d4ec33 | 1818 | } else { |
86383816 | 1819 | netdev_dummy_update_flags__(dev, NETDEV_UP, 0, &old_flags); |
95d4ec33 EJ |
1820 | } |
1821 | } | |
1822 | ||
1823 | static void | |
1824 | netdev_dummy_set_admin_state(struct unixctl_conn *conn, int argc, | |
1825 | const char *argv[], void *aux OVS_UNUSED) | |
1826 | { | |
1827 | bool up; | |
1828 | ||
1829 | if (!strcasecmp(argv[argc - 1], "up")) { | |
1830 | up = true; | |
1831 | } else if ( !strcasecmp(argv[argc - 1], "down")) { | |
1832 | up = false; | |
1833 | } else { | |
1834 | unixctl_command_reply_error(conn, "Invalid Admin State"); | |
1835 | return; | |
1836 | } | |
1837 | ||
1838 | if (argc > 2) { | |
86f1d032 BP |
1839 | struct netdev *netdev = netdev_from_name(argv[1]); |
1840 | if (netdev && is_dummy_class(netdev->netdev_class)) { | |
1841 | struct netdev_dummy *dummy_dev = netdev_dummy_cast(netdev); | |
95d4ec33 | 1842 | |
86383816 | 1843 | ovs_mutex_lock(&dummy_dev->mutex); |
b5d57fc8 | 1844 | netdev_dummy_set_admin_state__(dummy_dev, up); |
86383816 BP |
1845 | ovs_mutex_unlock(&dummy_dev->mutex); |
1846 | ||
86f1d032 | 1847 | netdev_close(netdev); |
95d4ec33 EJ |
1848 | } else { |
1849 | unixctl_command_reply_error(conn, "Unknown Dummy Interface"); | |
86f1d032 | 1850 | netdev_close(netdev); |
95d4ec33 EJ |
1851 | return; |
1852 | } | |
1853 | } else { | |
5e1de67f | 1854 | struct netdev_dummy *netdev; |
86383816 | 1855 | |
5e1de67f BP |
1856 | ovs_mutex_lock(&dummy_list_mutex); |
1857 | LIST_FOR_EACH (netdev, list_node, &dummy_list) { | |
86383816 BP |
1858 | ovs_mutex_lock(&netdev->mutex); |
1859 | netdev_dummy_set_admin_state__(netdev, up); | |
1860 | ovs_mutex_unlock(&netdev->mutex); | |
95d4ec33 | 1861 | } |
5e1de67f | 1862 | ovs_mutex_unlock(&dummy_list_mutex); |
95d4ec33 EJ |
1863 | } |
1864 | unixctl_command_reply(conn, "OK"); | |
1865 | } | |
1866 | ||
7d7fffe8 AZ |
1867 | static void |
1868 | display_conn_state__(struct ds *s, const char *name, | |
1869 | enum dummy_netdev_conn_state state) | |
1870 | { | |
1871 | ds_put_format(s, "%s: ", name); | |
1872 | ||
1873 | switch (state) { | |
1874 | case CONN_STATE_CONNECTED: | |
1875 | ds_put_cstr(s, "connected\n"); | |
1876 | break; | |
1877 | ||
1878 | case CONN_STATE_NOT_CONNECTED: | |
1879 | ds_put_cstr(s, "disconnected\n"); | |
1880 | break; | |
1881 | ||
1882 | case CONN_STATE_UNKNOWN: | |
1883 | default: | |
1884 | ds_put_cstr(s, "unknown\n"); | |
1885 | break; | |
1886 | }; | |
1887 | } | |
1888 | ||
1889 | static void | |
1890 | netdev_dummy_conn_state(struct unixctl_conn *conn, int argc, | |
1891 | const char *argv[], void *aux OVS_UNUSED) | |
1892 | { | |
1893 | enum dummy_netdev_conn_state state = CONN_STATE_UNKNOWN; | |
1894 | struct ds s; | |
1895 | ||
1896 | ds_init(&s); | |
1897 | ||
1898 | if (argc > 1) { | |
1899 | const char *dev_name = argv[1]; | |
1900 | struct netdev *netdev = netdev_from_name(dev_name); | |
1901 | ||
1902 | if (netdev && is_dummy_class(netdev->netdev_class)) { | |
1903 | struct netdev_dummy *dummy_dev = netdev_dummy_cast(netdev); | |
1904 | ||
1905 | ovs_mutex_lock(&dummy_dev->mutex); | |
1906 | state = dummy_netdev_get_conn_state(&dummy_dev->conn); | |
1907 | ovs_mutex_unlock(&dummy_dev->mutex); | |
1908 | ||
1909 | netdev_close(netdev); | |
1910 | } | |
1911 | display_conn_state__(&s, dev_name, state); | |
1912 | } else { | |
1913 | struct netdev_dummy *netdev; | |
1914 | ||
1915 | ovs_mutex_lock(&dummy_list_mutex); | |
1916 | LIST_FOR_EACH (netdev, list_node, &dummy_list) { | |
1917 | ovs_mutex_lock(&netdev->mutex); | |
1918 | state = dummy_netdev_get_conn_state(&netdev->conn); | |
1919 | ovs_mutex_unlock(&netdev->mutex); | |
1920 | if (state != CONN_STATE_UNKNOWN) { | |
1921 | display_conn_state__(&s, netdev->up.name, state); | |
1922 | } | |
1923 | } | |
1924 | ovs_mutex_unlock(&dummy_list_mutex); | |
1925 | } | |
1926 | ||
1927 | unixctl_command_reply(conn, ds_cstr(&s)); | |
1928 | ds_destroy(&s); | |
1929 | } | |
1930 | ||
a36de779 PS |
1931 | static void |
1932 | netdev_dummy_ip4addr(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1933 | const char *argv[], void *aux OVS_UNUSED) | |
1934 | { | |
1935 | struct netdev *netdev = netdev_from_name(argv[1]); | |
1936 | ||
1937 | if (netdev && is_dummy_class(netdev->netdev_class)) { | |
e7695092 BP |
1938 | struct in_addr ip, mask; |
1939 | char *error; | |
a36de779 | 1940 | |
e7695092 BP |
1941 | error = ip_parse_masked(argv[2], &ip.s_addr, &mask.s_addr); |
1942 | if (!error) { | |
a36de779 PS |
1943 | netdev_dummy_set_in4(netdev, ip, mask); |
1944 | unixctl_command_reply(conn, "OK"); | |
1945 | } else { | |
e7695092 BP |
1946 | unixctl_command_reply_error(conn, error); |
1947 | free(error); | |
a36de779 | 1948 | } |
2af602f2 TLSC |
1949 | } else { |
1950 | unixctl_command_reply_error(conn, "Unknown Dummy Interface"); | |
1951 | } | |
1952 | ||
1953 | netdev_close(netdev); | |
1954 | } | |
1955 | ||
1956 | static void | |
1957 | netdev_dummy_ip6addr(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1958 | const char *argv[], void *aux OVS_UNUSED) | |
1959 | { | |
1960 | struct netdev *netdev = netdev_from_name(argv[1]); | |
a36de779 | 1961 | |
2af602f2 | 1962 | if (netdev && is_dummy_class(netdev->netdev_class)) { |
2af602f2 | 1963 | struct in6_addr ip6; |
a8704b50 PS |
1964 | char *error; |
1965 | uint32_t plen; | |
2af602f2 | 1966 | |
a8704b50 PS |
1967 | error = ipv6_parse_cidr(argv[2], &ip6, &plen); |
1968 | if (!error) { | |
1969 | struct in6_addr mask; | |
1970 | ||
1971 | mask = ipv6_create_mask(plen); | |
1972 | netdev_dummy_set_in6(netdev, &ip6, &mask); | |
2af602f2 TLSC |
1973 | unixctl_command_reply(conn, "OK"); |
1974 | } else { | |
a8704b50 PS |
1975 | unixctl_command_reply_error(conn, error); |
1976 | free(error); | |
2af602f2 | 1977 | } |
a36de779 PS |
1978 | } else { |
1979 | unixctl_command_reply_error(conn, "Unknown Dummy Interface"); | |
a36de779 PS |
1980 | } |
1981 | ||
2af602f2 | 1982 | netdev_close(netdev); |
a36de779 PS |
1983 | } |
1984 | ||
2af602f2 | 1985 | |
8420c7ad BP |
1986 | static void |
1987 | netdev_dummy_override(const char *type) | |
1988 | { | |
1989 | if (!netdev_unregister_provider(type)) { | |
1990 | struct netdev_class *class; | |
1991 | int error; | |
1992 | ||
1993 | class = xmemdup(&dummy_class, sizeof dummy_class); | |
1994 | class->type = xstrdup(type); | |
1995 | error = netdev_register_provider(class); | |
1996 | if (error) { | |
1997 | VLOG_ERR("%s: failed to register netdev provider (%s)", | |
1998 | type, ovs_strerror(error)); | |
1999 | free(CONST_CAST(char *, class->type)); | |
2000 | free(class); | |
2001 | } | |
2002 | } | |
2003 | } | |
2004 | ||
614c4892 | 2005 | void |
8420c7ad | 2006 | netdev_dummy_register(enum dummy_level level) |
614c4892 | 2007 | { |
9a81a637 | 2008 | unixctl_command_register("netdev-dummy/receive", |
d8ada236 | 2009 | "name [--qid queue_id] packet|flow [--len packet_len]", |
fbac791a | 2010 | 2, INT_MAX, netdev_dummy_receive, NULL); |
95d4ec33 EJ |
2011 | unixctl_command_register("netdev-dummy/set-admin-state", |
2012 | "[netdev] up|down", 1, 2, | |
2013 | netdev_dummy_set_admin_state, NULL); | |
7d7fffe8 AZ |
2014 | unixctl_command_register("netdev-dummy/conn-state", |
2015 | "[netdev]", 0, 1, | |
2016 | netdev_dummy_conn_state, NULL); | |
a36de779 PS |
2017 | unixctl_command_register("netdev-dummy/ip4addr", |
2018 | "[netdev] ipaddr/mask-prefix-len", 2, 2, | |
2019 | netdev_dummy_ip4addr, NULL); | |
2af602f2 TLSC |
2020 | unixctl_command_register("netdev-dummy/ip6addr", |
2021 | "[netdev] ip6addr", 2, 2, | |
2022 | netdev_dummy_ip6addr, NULL); | |
a36de779 | 2023 | |
8420c7ad | 2024 | if (level == DUMMY_OVERRIDE_ALL) { |
0cbfe35d BP |
2025 | struct sset types; |
2026 | const char *type; | |
2027 | ||
2028 | sset_init(&types); | |
2029 | netdev_enumerate_types(&types); | |
2030 | SSET_FOR_EACH (type, &types) { | |
8420c7ad BP |
2031 | if (strcmp(type, "patch")) { |
2032 | netdev_dummy_override(type); | |
0cbfe35d BP |
2033 | } |
2034 | } | |
2035 | sset_destroy(&types); | |
8420c7ad BP |
2036 | } else if (level == DUMMY_OVERRIDE_SYSTEM) { |
2037 | netdev_dummy_override("system"); | |
0cbfe35d BP |
2038 | } |
2039 | netdev_register_provider(&dummy_class); | |
e98d0cb3 | 2040 | netdev_register_provider(&dummy_internal_class); |
f9176a3a | 2041 | netdev_register_provider(&dummy_pmd_class); |
c060c4cf | 2042 | |
4f746d52 | 2043 | netdev_register_flow_api_provider(&netdev_offload_dummy); |
5fc5c50f | 2044 | |
7c54c27f | 2045 | netdev_vport_tunnel_register(); |
614c4892 | 2046 | } |