2 * Copyright (c) 2010, 2011, 2012, 2013, 2015, 2016 Nicira, Inc.
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:
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
24 #include "dp-packet.h"
25 #include "dpif-netdev.h"
27 #include "netdev-provider.h"
28 #include "netdev-vport.h"
30 #include "openvswitch/dynamic-string.h"
31 #include "openvswitch/list.h"
32 #include "openvswitch/ofp-print.h"
33 #include "openvswitch/ofpbuf.h"
34 #include "openvswitch/vlog.h"
35 #include "ovs-atomic.h"
37 #include "pcap-file.h"
38 #include "poll-loop.h"
42 #include "unaligned.h"
45 #include "reconnect.h"
47 VLOG_DEFINE_THIS_MODULE(netdev_dummy
);
51 struct dummy_packet_stream
{
52 struct stream
*stream
;
53 struct dp_packet rxbuf
;
57 enum dummy_packet_conn_type
{
58 NONE
, /* No connection is configured. */
59 PASSIVE
, /* Listener. */
60 ACTIVE
/* Connect to listener. */
63 enum dummy_netdev_conn_state
{
64 CONN_STATE_CONNECTED
, /* Listener connected. */
65 CONN_STATE_NOT_CONNECTED
, /* Listener not connected. */
66 CONN_STATE_UNKNOWN
, /* No relavent information. */
69 struct dummy_packet_pconn
{
70 struct pstream
*pstream
;
71 struct dummy_packet_stream
*streams
;
75 struct dummy_packet_rconn
{
76 struct dummy_packet_stream
*rstream
;
77 struct reconnect
*reconnect
;
80 struct dummy_packet_conn
{
81 enum dummy_packet_conn_type type
;
83 struct dummy_packet_pconn pconn
;
84 struct dummy_packet_rconn rconn
;
88 struct pkt_list_node
{
89 struct dp_packet
*pkt
;
90 struct ovs_list list_node
;
93 /* Protects 'dummy_list'. */
94 static struct ovs_mutex dummy_list_mutex
= OVS_MUTEX_INITIALIZER
;
96 /* Contains all 'struct dummy_dev's. */
97 static struct ovs_list dummy_list
OVS_GUARDED_BY(dummy_list_mutex
)
98 = OVS_LIST_INITIALIZER(&dummy_list
);
100 struct netdev_dummy
{
104 struct ovs_list list_node
OVS_GUARDED_BY(dummy_list_mutex
);
106 /* Protects all members below. */
107 struct ovs_mutex mutex
OVS_ACQ_AFTER(dummy_list_mutex
);
109 struct eth_addr hwaddr OVS_GUARDED
;
111 struct netdev_stats stats OVS_GUARDED
;
112 enum netdev_flags flags OVS_GUARDED
;
113 int ifindex OVS_GUARDED
;
114 int numa_id OVS_GUARDED
;
116 struct dummy_packet_conn conn OVS_GUARDED
;
118 FILE *tx_pcap
, *rxq_pcap OVS_GUARDED
;
120 struct in_addr address
, netmask
;
121 struct in6_addr ipv6
, ipv6_mask
;
122 struct ovs_list rxes OVS_GUARDED
; /* List of child "netdev_rxq_dummy"s. */
124 /* The following properties are for dummy-pmd and they cannot be changed
125 * when a device is running, so we remember the request and update them
126 * next time netdev_dummy_reconfigure() is called. */
127 int requested_n_txq OVS_GUARDED
;
128 int requested_n_rxq OVS_GUARDED
;
129 int requested_numa_id OVS_GUARDED
;
132 /* Max 'recv_queue_len' in struct netdev_dummy. */
133 #define NETDEV_DUMMY_MAX_QUEUE 100
135 struct netdev_rxq_dummy
{
136 struct netdev_rxq up
;
137 struct ovs_list node
; /* In netdev_dummy's "rxes" list. */
138 struct ovs_list recv_queue
;
139 int recv_queue_len
; /* ovs_list_size(&recv_queue). */
140 struct seq
*seq
; /* Reports newly queued packets. */
143 static unixctl_cb_func netdev_dummy_set_admin_state
;
144 static int netdev_dummy_construct(struct netdev
*);
145 static void netdev_dummy_queue_packet(struct netdev_dummy
*,
146 struct dp_packet
*, int);
148 static void dummy_packet_stream_close(struct dummy_packet_stream
*);
150 static void pkt_list_delete(struct ovs_list
*);
153 is_dummy_class(const struct netdev_class
*class)
155 return class->construct
== netdev_dummy_construct
;
158 static struct netdev_dummy
*
159 netdev_dummy_cast(const struct netdev
*netdev
)
161 ovs_assert(is_dummy_class(netdev_get_class(netdev
)));
162 return CONTAINER_OF(netdev
, struct netdev_dummy
, up
);
165 static struct netdev_rxq_dummy
*
166 netdev_rxq_dummy_cast(const struct netdev_rxq
*rx
)
168 ovs_assert(is_dummy_class(netdev_get_class(rx
->netdev
)));
169 return CONTAINER_OF(rx
, struct netdev_rxq_dummy
, up
);
173 dummy_packet_stream_init(struct dummy_packet_stream
*s
, struct stream
*stream
)
175 int rxbuf_size
= stream
? 2048 : 0;
177 dp_packet_init(&s
->rxbuf
, rxbuf_size
);
178 ovs_list_init(&s
->txq
);
181 static struct dummy_packet_stream
*
182 dummy_packet_stream_create(struct stream
*stream
)
184 struct dummy_packet_stream
*s
;
186 s
= xzalloc(sizeof *s
);
187 dummy_packet_stream_init(s
, stream
);
193 dummy_packet_stream_wait(struct dummy_packet_stream
*s
)
195 stream_run_wait(s
->stream
);
196 if (!ovs_list_is_empty(&s
->txq
)) {
197 stream_send_wait(s
->stream
);
199 stream_recv_wait(s
->stream
);
203 dummy_packet_stream_send(struct dummy_packet_stream
*s
, const void *buffer
, size_t size
)
205 if (ovs_list_size(&s
->txq
) < NETDEV_DUMMY_MAX_QUEUE
) {
207 struct pkt_list_node
*node
;
209 b
= dp_packet_clone_data_with_headroom(buffer
, size
, 2);
210 put_unaligned_be16(dp_packet_push_uninit(b
, 2), htons(size
));
212 node
= xmalloc(sizeof *node
);
214 ovs_list_push_back(&s
->txq
, &node
->list_node
);
219 dummy_packet_stream_run(struct netdev_dummy
*dev
, struct dummy_packet_stream
*s
)
224 stream_run(s
->stream
);
226 if (!ovs_list_is_empty(&s
->txq
)) {
227 struct pkt_list_node
*txbuf_node
;
228 struct dp_packet
*txbuf
;
231 ASSIGN_CONTAINER(txbuf_node
, ovs_list_front(&s
->txq
), list_node
);
232 txbuf
= txbuf_node
->pkt
;
233 retval
= stream_send(s
->stream
, dp_packet_data(txbuf
), dp_packet_size(txbuf
));
236 dp_packet_pull(txbuf
, retval
);
237 if (!dp_packet_size(txbuf
)) {
238 ovs_list_remove(&txbuf_node
->list_node
);
240 dp_packet_delete(txbuf
);
242 } else if (retval
!= -EAGAIN
) {
248 if (dp_packet_size(&s
->rxbuf
) < 2) {
249 n
= 2 - dp_packet_size(&s
->rxbuf
);
253 frame_len
= ntohs(get_unaligned_be16(dp_packet_data(&s
->rxbuf
)));
254 if (frame_len
< ETH_HEADER_LEN
) {
258 n
= (2 + frame_len
) - dp_packet_size(&s
->rxbuf
);
265 dp_packet_prealloc_tailroom(&s
->rxbuf
, n
);
266 retval
= stream_recv(s
->stream
, dp_packet_tail(&s
->rxbuf
), n
);
269 dp_packet_set_size(&s
->rxbuf
, dp_packet_size(&s
->rxbuf
) + retval
);
270 if (retval
== n
&& dp_packet_size(&s
->rxbuf
) > 2) {
271 dp_packet_pull(&s
->rxbuf
, 2);
272 netdev_dummy_queue_packet(dev
,
273 dp_packet_clone(&s
->rxbuf
), 0);
274 dp_packet_clear(&s
->rxbuf
);
276 } else if (retval
!= -EAGAIN
) {
277 error
= (retval
< 0 ? -retval
278 : dp_packet_size(&s
->rxbuf
) ? EPROTO
287 dummy_packet_stream_close(struct dummy_packet_stream
*s
)
289 stream_close(s
->stream
);
290 dp_packet_uninit(&s
->rxbuf
);
291 pkt_list_delete(&s
->txq
);
295 dummy_packet_conn_init(struct dummy_packet_conn
*conn
)
297 memset(conn
, 0, sizeof *conn
);
302 dummy_packet_conn_get_config(struct dummy_packet_conn
*conn
, struct smap
*args
)
305 switch (conn
->type
) {
307 smap_add(args
, "pstream", pstream_get_name(conn
->u
.pconn
.pstream
));
311 smap_add(args
, "stream", stream_get_name(conn
->u
.rconn
.rstream
->stream
));
321 dummy_packet_conn_close(struct dummy_packet_conn
*conn
)
324 struct dummy_packet_pconn
*pconn
= &conn
->u
.pconn
;
325 struct dummy_packet_rconn
*rconn
= &conn
->u
.rconn
;
327 switch (conn
->type
) {
329 pstream_close(pconn
->pstream
);
330 for (i
= 0; i
< pconn
->n_streams
; i
++) {
331 dummy_packet_stream_close(&pconn
->streams
[i
]);
333 free(pconn
->streams
);
334 pconn
->pstream
= NULL
;
335 pconn
->streams
= NULL
;
339 dummy_packet_stream_close(rconn
->rstream
);
340 free(rconn
->rstream
);
341 rconn
->rstream
= NULL
;
342 reconnect_destroy(rconn
->reconnect
);
343 rconn
->reconnect
= NULL
;
352 memset(conn
, 0, sizeof *conn
);
356 dummy_packet_conn_set_config(struct dummy_packet_conn
*conn
,
357 const struct smap
*args
)
359 const char *pstream
= smap_get(args
, "pstream");
360 const char *stream
= smap_get(args
, "stream");
362 if (pstream
&& stream
) {
363 VLOG_WARN("Open failed: both %s and %s are configured",
368 switch (conn
->type
) {
371 !strcmp(pstream_get_name(conn
->u
.pconn
.pstream
), pstream
)) {
374 dummy_packet_conn_close(conn
);
378 !strcmp(stream_get_name(conn
->u
.rconn
.rstream
->stream
), stream
)) {
381 dummy_packet_conn_close(conn
);
391 error
= pstream_open(pstream
, &conn
->u
.pconn
.pstream
, DSCP_DEFAULT
);
393 VLOG_WARN("%s: open failed (%s)", pstream
, ovs_strerror(error
));
395 conn
->type
= PASSIVE
;
401 struct stream
*active_stream
;
402 struct reconnect
*reconnect
;
404 reconnect
= reconnect_create(time_msec());
405 reconnect_set_name(reconnect
, stream
);
406 reconnect_set_passive(reconnect
, false, time_msec());
407 reconnect_enable(reconnect
, time_msec());
408 reconnect_set_backoff(reconnect
, 100, INT_MAX
);
409 reconnect_set_probe_interval(reconnect
, 0);
410 conn
->u
.rconn
.reconnect
= reconnect
;
413 error
= stream_open(stream
, &active_stream
, DSCP_DEFAULT
);
414 conn
->u
.rconn
.rstream
= dummy_packet_stream_create(active_stream
);
418 reconnect_connected(reconnect
, time_msec());
422 reconnect_connecting(reconnect
, time_msec());
426 reconnect_connect_failed(reconnect
, time_msec(), error
);
427 stream_close(active_stream
);
428 conn
->u
.rconn
.rstream
->stream
= NULL
;
435 dummy_pconn_run(struct netdev_dummy
*dev
)
436 OVS_REQUIRES(dev
->mutex
)
438 struct stream
*new_stream
;
439 struct dummy_packet_pconn
*pconn
= &dev
->conn
.u
.pconn
;
443 error
= pstream_accept(pconn
->pstream
, &new_stream
);
445 struct dummy_packet_stream
*s
;
447 pconn
->streams
= xrealloc(pconn
->streams
,
448 ((pconn
->n_streams
+ 1)
450 s
= &pconn
->streams
[pconn
->n_streams
++];
451 dummy_packet_stream_init(s
, new_stream
);
452 } else if (error
!= EAGAIN
) {
453 VLOG_WARN("%s: accept failed (%s)",
454 pstream_get_name(pconn
->pstream
), ovs_strerror(error
));
455 pstream_close(pconn
->pstream
);
456 pconn
->pstream
= NULL
;
457 dev
->conn
.type
= NONE
;
460 for (i
= 0; i
< pconn
->n_streams
; i
++) {
461 struct dummy_packet_stream
*s
= &pconn
->streams
[i
];
463 error
= dummy_packet_stream_run(dev
, s
);
465 VLOG_DBG("%s: closing connection (%s)",
466 stream_get_name(s
->stream
),
467 ovs_retval_to_string(error
));
468 dummy_packet_stream_close(s
);
469 pconn
->streams
[i
] = pconn
->streams
[--pconn
->n_streams
];
475 dummy_rconn_run(struct netdev_dummy
*dev
)
476 OVS_REQUIRES(dev
->mutex
)
478 struct dummy_packet_rconn
*rconn
= &dev
->conn
.u
.rconn
;
480 switch (reconnect_run(rconn
->reconnect
, time_msec())) {
481 case RECONNECT_CONNECT
:
485 if (rconn
->rstream
->stream
) {
486 error
= stream_connect(rconn
->rstream
->stream
);
488 error
= stream_open(reconnect_get_name(rconn
->reconnect
),
489 &rconn
->rstream
->stream
, DSCP_DEFAULT
);
494 reconnect_connected(rconn
->reconnect
, time_msec());
498 reconnect_connecting(rconn
->reconnect
, time_msec());
502 reconnect_connect_failed(rconn
->reconnect
, time_msec(), error
);
503 stream_close(rconn
->rstream
->stream
);
504 rconn
->rstream
->stream
= NULL
;
510 case RECONNECT_DISCONNECT
:
511 case RECONNECT_PROBE
:
516 if (reconnect_is_connected(rconn
->reconnect
)) {
519 err
= dummy_packet_stream_run(dev
, rconn
->rstream
);
522 reconnect_disconnected(rconn
->reconnect
, time_msec(), err
);
523 stream_close(rconn
->rstream
->stream
);
524 rconn
->rstream
->stream
= NULL
;
530 dummy_packet_conn_run(struct netdev_dummy
*dev
)
531 OVS_REQUIRES(dev
->mutex
)
533 switch (dev
->conn
.type
) {
535 dummy_pconn_run(dev
);
539 dummy_rconn_run(dev
);
549 dummy_packet_conn_wait(struct dummy_packet_conn
*conn
)
552 switch (conn
->type
) {
554 pstream_wait(conn
->u
.pconn
.pstream
);
555 for (i
= 0; i
< conn
->u
.pconn
.n_streams
; i
++) {
556 struct dummy_packet_stream
*s
= &conn
->u
.pconn
.streams
[i
];
557 dummy_packet_stream_wait(s
);
561 if (reconnect_is_connected(conn
->u
.rconn
.reconnect
)) {
562 dummy_packet_stream_wait(conn
->u
.rconn
.rstream
);
573 dummy_packet_conn_send(struct dummy_packet_conn
*conn
,
574 const void *buffer
, size_t size
)
578 switch (conn
->type
) {
580 for (i
= 0; i
< conn
->u
.pconn
.n_streams
; i
++) {
581 struct dummy_packet_stream
*s
= &conn
->u
.pconn
.streams
[i
];
583 dummy_packet_stream_send(s
, buffer
, size
);
584 pstream_wait(conn
->u
.pconn
.pstream
);
589 if (reconnect_is_connected(conn
->u
.rconn
.reconnect
)) {
590 dummy_packet_stream_send(conn
->u
.rconn
.rstream
, buffer
, size
);
591 dummy_packet_stream_wait(conn
->u
.rconn
.rstream
);
601 static enum dummy_netdev_conn_state
602 dummy_netdev_get_conn_state(struct dummy_packet_conn
*conn
)
604 enum dummy_netdev_conn_state state
;
606 if (conn
->type
== ACTIVE
) {
607 if (reconnect_is_connected(conn
->u
.rconn
.reconnect
)) {
608 state
= CONN_STATE_CONNECTED
;
610 state
= CONN_STATE_NOT_CONNECTED
;
613 state
= CONN_STATE_UNKNOWN
;
620 netdev_dummy_run(void)
622 struct netdev_dummy
*dev
;
624 ovs_mutex_lock(&dummy_list_mutex
);
625 LIST_FOR_EACH (dev
, list_node
, &dummy_list
) {
626 ovs_mutex_lock(&dev
->mutex
);
627 dummy_packet_conn_run(dev
);
628 ovs_mutex_unlock(&dev
->mutex
);
630 ovs_mutex_unlock(&dummy_list_mutex
);
634 netdev_dummy_wait(void)
636 struct netdev_dummy
*dev
;
638 ovs_mutex_lock(&dummy_list_mutex
);
639 LIST_FOR_EACH (dev
, list_node
, &dummy_list
) {
640 ovs_mutex_lock(&dev
->mutex
);
641 dummy_packet_conn_wait(&dev
->conn
);
642 ovs_mutex_unlock(&dev
->mutex
);
644 ovs_mutex_unlock(&dummy_list_mutex
);
647 static struct netdev
*
648 netdev_dummy_alloc(void)
650 struct netdev_dummy
*netdev
= xzalloc(sizeof *netdev
);
655 netdev_dummy_construct(struct netdev
*netdev_
)
657 static atomic_count next_n
= ATOMIC_COUNT_INIT(0xaa550000);
658 struct netdev_dummy
*netdev
= netdev_dummy_cast(netdev_
);
661 n
= atomic_count_inc(&next_n
);
663 ovs_mutex_init(&netdev
->mutex
);
664 ovs_mutex_lock(&netdev
->mutex
);
665 netdev
->hwaddr
.ea
[0] = 0xaa;
666 netdev
->hwaddr
.ea
[1] = 0x55;
667 netdev
->hwaddr
.ea
[2] = n
>> 24;
668 netdev
->hwaddr
.ea
[3] = n
>> 16;
669 netdev
->hwaddr
.ea
[4] = n
>> 8;
670 netdev
->hwaddr
.ea
[5] = n
;
673 netdev
->ifindex
= -EOPNOTSUPP
;
674 netdev
->requested_n_rxq
= netdev_
->n_rxq
;
675 netdev
->requested_n_txq
= netdev_
->n_txq
;
678 dummy_packet_conn_init(&netdev
->conn
);
680 ovs_list_init(&netdev
->rxes
);
681 ovs_mutex_unlock(&netdev
->mutex
);
683 ovs_mutex_lock(&dummy_list_mutex
);
684 ovs_list_push_back(&dummy_list
, &netdev
->list_node
);
685 ovs_mutex_unlock(&dummy_list_mutex
);
691 netdev_dummy_destruct(struct netdev
*netdev_
)
693 struct netdev_dummy
*netdev
= netdev_dummy_cast(netdev_
);
695 ovs_mutex_lock(&dummy_list_mutex
);
696 ovs_list_remove(&netdev
->list_node
);
697 ovs_mutex_unlock(&dummy_list_mutex
);
699 ovs_mutex_lock(&netdev
->mutex
);
700 dummy_packet_conn_close(&netdev
->conn
);
701 netdev
->conn
.type
= NONE
;
703 ovs_mutex_unlock(&netdev
->mutex
);
704 ovs_mutex_destroy(&netdev
->mutex
);
708 netdev_dummy_dealloc(struct netdev
*netdev_
)
710 struct netdev_dummy
*netdev
= netdev_dummy_cast(netdev_
);
716 netdev_dummy_get_config(const struct netdev
*dev
, struct smap
*args
)
718 struct netdev_dummy
*netdev
= netdev_dummy_cast(dev
);
720 ovs_mutex_lock(&netdev
->mutex
);
722 if (netdev
->ifindex
>= 0) {
723 smap_add_format(args
, "ifindex", "%d", netdev
->ifindex
);
726 dummy_packet_conn_get_config(&netdev
->conn
, args
);
728 /* 'dummy-pmd' specific config. */
729 if (!netdev_is_pmd(dev
)) {
732 smap_add_format(args
, "requested_rx_queues", "%d", netdev
->requested_n_rxq
);
733 smap_add_format(args
, "configured_rx_queues", "%d", dev
->n_rxq
);
734 smap_add_format(args
, "requested_tx_queues", "%d", netdev
->requested_n_txq
);
735 smap_add_format(args
, "configured_tx_queues", "%d", dev
->n_txq
);
738 ovs_mutex_unlock(&netdev
->mutex
);
743 netdev_dummy_get_addr_list(const struct netdev
*netdev_
, struct in6_addr
**paddr
,
744 struct in6_addr
**pmask
, int *n_addr
)
746 struct netdev_dummy
*netdev
= netdev_dummy_cast(netdev_
);
747 int cnt
= 0, i
= 0, err
= 0;
748 struct in6_addr
*addr
, *mask
;
750 ovs_mutex_lock(&netdev
->mutex
);
751 if (netdev
->address
.s_addr
!= INADDR_ANY
) {
755 if (ipv6_addr_is_set(&netdev
->ipv6
)) {
762 addr
= xmalloc(sizeof *addr
* cnt
);
763 mask
= xmalloc(sizeof *mask
* cnt
);
764 if (netdev
->address
.s_addr
!= INADDR_ANY
) {
765 in6_addr_set_mapped_ipv4(&addr
[i
], netdev
->address
.s_addr
);
766 in6_addr_set_mapped_ipv4(&mask
[i
], netdev
->netmask
.s_addr
);
770 if (ipv6_addr_is_set(&netdev
->ipv6
)) {
771 memcpy(&addr
[i
], &netdev
->ipv6
, sizeof *addr
);
772 memcpy(&mask
[i
], &netdev
->ipv6_mask
, sizeof *mask
);
784 ovs_mutex_unlock(&netdev
->mutex
);
790 netdev_dummy_set_in4(struct netdev
*netdev_
, struct in_addr address
,
791 struct in_addr netmask
)
793 struct netdev_dummy
*netdev
= netdev_dummy_cast(netdev_
);
795 ovs_mutex_lock(&netdev
->mutex
);
796 netdev
->address
= address
;
797 netdev
->netmask
= netmask
;
798 netdev_change_seq_changed(netdev_
);
799 ovs_mutex_unlock(&netdev
->mutex
);
805 netdev_dummy_set_in6(struct netdev
*netdev_
, struct in6_addr
*in6
,
806 struct in6_addr
*mask
)
808 struct netdev_dummy
*netdev
= netdev_dummy_cast(netdev_
);
810 ovs_mutex_lock(&netdev
->mutex
);
812 netdev
->ipv6_mask
= *mask
;
813 netdev_change_seq_changed(netdev_
);
814 ovs_mutex_unlock(&netdev
->mutex
);
820 netdev_dummy_set_config(struct netdev
*netdev_
, const struct smap
*args
)
822 struct netdev_dummy
*netdev
= netdev_dummy_cast(netdev_
);
824 int new_n_rxq
, new_n_txq
, new_numa_id
;
826 ovs_mutex_lock(&netdev
->mutex
);
827 netdev
->ifindex
= smap_get_int(args
, "ifindex", -EOPNOTSUPP
);
829 dummy_packet_conn_set_config(&netdev
->conn
, args
);
831 if (netdev
->rxq_pcap
) {
832 fclose(netdev
->rxq_pcap
);
834 if (netdev
->tx_pcap
&& netdev
->tx_pcap
!= netdev
->rxq_pcap
) {
835 fclose(netdev
->tx_pcap
);
837 netdev
->rxq_pcap
= netdev
->tx_pcap
= NULL
;
838 pcap
= smap_get(args
, "pcap");
840 netdev
->rxq_pcap
= netdev
->tx_pcap
= ovs_pcap_open(pcap
, "ab");
842 const char *rxq_pcap
= smap_get(args
, "rxq_pcap");
843 const char *tx_pcap
= smap_get(args
, "tx_pcap");
846 netdev
->rxq_pcap
= ovs_pcap_open(rxq_pcap
, "ab");
849 netdev
->tx_pcap
= ovs_pcap_open(tx_pcap
, "ab");
853 netdev_change_seq_changed(netdev_
);
855 /* 'dummy-pmd' specific config. */
856 if (!netdev_
->netdev_class
->is_pmd
) {
860 new_n_rxq
= MAX(smap_get_int(args
, "n_rxq", netdev
->requested_n_rxq
), 1);
861 new_n_txq
= MAX(smap_get_int(args
, "n_txq", netdev
->requested_n_txq
), 1);
862 new_numa_id
= smap_get_int(args
, "numa_id", 0);
863 if (new_n_rxq
!= netdev
->requested_n_rxq
864 || new_n_txq
!= netdev
->requested_n_txq
865 || new_numa_id
!= netdev
->requested_numa_id
) {
866 netdev
->requested_n_rxq
= new_n_rxq
;
867 netdev
->requested_n_txq
= new_n_txq
;
868 netdev
->requested_numa_id
= new_numa_id
;
869 netdev_request_reconfigure(netdev_
);
873 ovs_mutex_unlock(&netdev
->mutex
);
878 netdev_dummy_get_numa_id(const struct netdev
*netdev_
)
880 struct netdev_dummy
*netdev
= netdev_dummy_cast(netdev_
);
882 ovs_mutex_lock(&netdev
->mutex
);
883 int numa_id
= netdev
->numa_id
;
884 ovs_mutex_unlock(&netdev
->mutex
);
889 /* Sets the number of tx queues and rx queues for the dummy PMD interface. */
891 netdev_dummy_reconfigure(struct netdev
*netdev_
)
893 struct netdev_dummy
*netdev
= netdev_dummy_cast(netdev_
);
895 ovs_mutex_lock(&netdev
->mutex
);
897 netdev_
->n_txq
= netdev
->requested_n_txq
;
898 netdev_
->n_rxq
= netdev
->requested_n_rxq
;
899 netdev
->numa_id
= netdev
->requested_numa_id
;
901 ovs_mutex_unlock(&netdev
->mutex
);
905 static struct netdev_rxq
*
906 netdev_dummy_rxq_alloc(void)
908 struct netdev_rxq_dummy
*rx
= xzalloc(sizeof *rx
);
913 netdev_dummy_rxq_construct(struct netdev_rxq
*rxq_
)
915 struct netdev_rxq_dummy
*rx
= netdev_rxq_dummy_cast(rxq_
);
916 struct netdev_dummy
*netdev
= netdev_dummy_cast(rx
->up
.netdev
);
918 ovs_mutex_lock(&netdev
->mutex
);
919 ovs_list_push_back(&netdev
->rxes
, &rx
->node
);
920 ovs_list_init(&rx
->recv_queue
);
921 rx
->recv_queue_len
= 0;
922 rx
->seq
= seq_create();
923 ovs_mutex_unlock(&netdev
->mutex
);
929 netdev_dummy_rxq_destruct(struct netdev_rxq
*rxq_
)
931 struct netdev_rxq_dummy
*rx
= netdev_rxq_dummy_cast(rxq_
);
932 struct netdev_dummy
*netdev
= netdev_dummy_cast(rx
->up
.netdev
);
934 ovs_mutex_lock(&netdev
->mutex
);
935 ovs_list_remove(&rx
->node
);
936 pkt_list_delete(&rx
->recv_queue
);
937 ovs_mutex_unlock(&netdev
->mutex
);
938 seq_destroy(rx
->seq
);
942 netdev_dummy_rxq_dealloc(struct netdev_rxq
*rxq_
)
944 struct netdev_rxq_dummy
*rx
= netdev_rxq_dummy_cast(rxq_
);
950 netdev_dummy_rxq_recv(struct netdev_rxq
*rxq_
, struct dp_packet
**arr
,
953 struct netdev_rxq_dummy
*rx
= netdev_rxq_dummy_cast(rxq_
);
954 struct netdev_dummy
*netdev
= netdev_dummy_cast(rx
->up
.netdev
);
955 struct dp_packet
*packet
;
957 ovs_mutex_lock(&netdev
->mutex
);
958 if (!ovs_list_is_empty(&rx
->recv_queue
)) {
959 struct pkt_list_node
*pkt_node
;
961 ASSIGN_CONTAINER(pkt_node
, ovs_list_pop_front(&rx
->recv_queue
), list_node
);
962 packet
= pkt_node
->pkt
;
964 rx
->recv_queue_len
--;
968 ovs_mutex_unlock(&netdev
->mutex
);
971 if (netdev_is_pmd(&netdev
->up
)) {
972 /* If 'netdev' is a PMD device, this is called as part of the PMD
973 * thread busy loop. We yield here (without quiescing) for two
976 * - To reduce the CPU utilization during the testsuite
977 * - To give valgrind a chance to switch thread. According
978 * to the valgrind documentation, there's a big lock that
979 * prevents multiple thread from being executed at the same
980 * time. On my system, without this sleep, the pmd threads
981 * testcases fail under valgrind, because ovs-vswitchd becomes
987 ovs_mutex_lock(&netdev
->mutex
);
988 netdev
->stats
.rx_packets
++;
989 netdev
->stats
.rx_bytes
+= dp_packet_size(packet
);
990 ovs_mutex_unlock(&netdev
->mutex
);
992 dp_packet_pad(packet
);
1000 netdev_dummy_rxq_wait(struct netdev_rxq
*rxq_
)
1002 struct netdev_rxq_dummy
*rx
= netdev_rxq_dummy_cast(rxq_
);
1003 struct netdev_dummy
*netdev
= netdev_dummy_cast(rx
->up
.netdev
);
1004 uint64_t seq
= seq_read(rx
->seq
);
1006 ovs_mutex_lock(&netdev
->mutex
);
1007 if (!ovs_list_is_empty(&rx
->recv_queue
)) {
1008 poll_immediate_wake();
1010 seq_wait(rx
->seq
, seq
);
1012 ovs_mutex_unlock(&netdev
->mutex
);
1016 netdev_dummy_rxq_drain(struct netdev_rxq
*rxq_
)
1018 struct netdev_rxq_dummy
*rx
= netdev_rxq_dummy_cast(rxq_
);
1019 struct netdev_dummy
*netdev
= netdev_dummy_cast(rx
->up
.netdev
);
1021 ovs_mutex_lock(&netdev
->mutex
);
1022 pkt_list_delete(&rx
->recv_queue
);
1023 rx
->recv_queue_len
= 0;
1024 ovs_mutex_unlock(&netdev
->mutex
);
1026 seq_change(rx
->seq
);
1032 netdev_dummy_send(struct netdev
*netdev
, int qid OVS_UNUSED
,
1033 struct dp_packet
**pkts
, int cnt
, bool may_steal
)
1035 struct netdev_dummy
*dev
= netdev_dummy_cast(netdev
);
1039 for (i
= 0; i
< cnt
; i
++) {
1040 const void *buffer
= dp_packet_data(pkts
[i
]);
1041 size_t size
= dp_packet_size(pkts
[i
]);
1043 size
-= dp_packet_get_cutlen(pkts
[i
]);
1045 if (size
< ETH_HEADER_LEN
) {
1049 const struct eth_header
*eth
= buffer
;
1052 ovs_mutex_lock(&dev
->mutex
);
1053 max_size
= dev
->mtu
+ ETH_HEADER_LEN
;
1054 ovs_mutex_unlock(&dev
->mutex
);
1056 if (eth
->eth_type
== htons(ETH_TYPE_VLAN
)) {
1057 max_size
+= VLAN_HEADER_LEN
;
1059 if (size
> max_size
) {
1065 ovs_mutex_lock(&dev
->mutex
);
1066 dev
->stats
.tx_packets
++;
1067 dev
->stats
.tx_bytes
+= size
;
1069 dummy_packet_conn_send(&dev
->conn
, buffer
, size
);
1071 /* Reply to ARP requests for 'dev''s assigned IP address. */
1072 if (dev
->address
.s_addr
) {
1073 struct dp_packet packet
;
1076 dp_packet_use_const(&packet
, buffer
, size
);
1077 flow_extract(&packet
, &flow
);
1078 if (flow
.dl_type
== htons(ETH_TYPE_ARP
)
1079 && flow
.nw_proto
== ARP_OP_REQUEST
1080 && flow
.nw_dst
== dev
->address
.s_addr
) {
1081 struct dp_packet
*reply
= dp_packet_new(0);
1082 compose_arp(reply
, ARP_OP_REPLY
, dev
->hwaddr
, flow
.dl_src
,
1083 false, flow
.nw_dst
, flow
.nw_src
);
1084 netdev_dummy_queue_packet(dev
, reply
, 0);
1089 struct dp_packet packet
;
1091 dp_packet_use_const(&packet
, buffer
, size
);
1092 ovs_pcap_write(dev
->tx_pcap
, &packet
);
1093 fflush(dev
->tx_pcap
);
1096 ovs_mutex_unlock(&dev
->mutex
);
1100 for (i
= 0; i
< cnt
; i
++) {
1101 dp_packet_delete(pkts
[i
]);
1109 netdev_dummy_set_etheraddr(struct netdev
*netdev
, const struct eth_addr mac
)
1111 struct netdev_dummy
*dev
= netdev_dummy_cast(netdev
);
1113 ovs_mutex_lock(&dev
->mutex
);
1114 if (!eth_addr_equals(dev
->hwaddr
, mac
)) {
1116 netdev_change_seq_changed(netdev
);
1118 ovs_mutex_unlock(&dev
->mutex
);
1124 netdev_dummy_get_etheraddr(const struct netdev
*netdev
, struct eth_addr
*mac
)
1126 struct netdev_dummy
*dev
= netdev_dummy_cast(netdev
);
1128 ovs_mutex_lock(&dev
->mutex
);
1130 ovs_mutex_unlock(&dev
->mutex
);
1136 netdev_dummy_get_mtu(const struct netdev
*netdev
, int *mtup
)
1138 struct netdev_dummy
*dev
= netdev_dummy_cast(netdev
);
1140 ovs_mutex_lock(&dev
->mutex
);
1142 ovs_mutex_unlock(&dev
->mutex
);
1148 netdev_dummy_set_mtu(const struct netdev
*netdev
, int mtu
)
1150 struct netdev_dummy
*dev
= netdev_dummy_cast(netdev
);
1152 ovs_mutex_lock(&dev
->mutex
);
1154 ovs_mutex_unlock(&dev
->mutex
);
1160 netdev_dummy_get_stats(const struct netdev
*netdev
, struct netdev_stats
*stats
)
1162 struct netdev_dummy
*dev
= netdev_dummy_cast(netdev
);
1164 ovs_mutex_lock(&dev
->mutex
);
1165 /* Passing only collected counters */
1166 stats
->tx_packets
= dev
->stats
.tx_packets
;
1167 stats
->tx_bytes
= dev
->stats
.tx_bytes
;
1168 stats
->rx_packets
= dev
->stats
.rx_packets
;
1169 stats
->rx_bytes
= dev
->stats
.rx_bytes
;
1170 ovs_mutex_unlock(&dev
->mutex
);
1176 netdev_dummy_get_queue(const struct netdev
*netdev OVS_UNUSED
,
1177 unsigned int queue_id
, struct smap
*details OVS_UNUSED
)
1179 if (queue_id
== 0) {
1187 netdev_dummy_init_queue_stats(struct netdev_queue_stats
*stats
)
1189 *stats
= (struct netdev_queue_stats
) {
1190 .tx_bytes
= UINT64_MAX
,
1191 .tx_packets
= UINT64_MAX
,
1192 .tx_errors
= UINT64_MAX
,
1193 .created
= LLONG_MIN
,
1198 netdev_dummy_get_queue_stats(const struct netdev
*netdev OVS_UNUSED
,
1199 unsigned int queue_id
,
1200 struct netdev_queue_stats
*stats
)
1202 if (queue_id
== 0) {
1203 netdev_dummy_init_queue_stats(stats
);
1210 struct netdev_dummy_queue_state
{
1211 unsigned int next_queue
;
1215 netdev_dummy_queue_dump_start(const struct netdev
*netdev OVS_UNUSED
,
1218 struct netdev_dummy_queue_state
*state
= xmalloc(sizeof *state
);
1219 state
->next_queue
= 0;
1225 netdev_dummy_queue_dump_next(const struct netdev
*netdev OVS_UNUSED
,
1227 unsigned int *queue_id
,
1228 struct smap
*details OVS_UNUSED
)
1230 struct netdev_dummy_queue_state
*state
= state_
;
1231 if (state
->next_queue
== 0) {
1233 state
->next_queue
++;
1241 netdev_dummy_queue_dump_done(const struct netdev
*netdev OVS_UNUSED
,
1249 netdev_dummy_dump_queue_stats(const struct netdev
*netdev OVS_UNUSED
,
1250 void (*cb
)(unsigned int queue_id
,
1251 struct netdev_queue_stats
*,
1255 struct netdev_queue_stats stats
;
1256 netdev_dummy_init_queue_stats(&stats
);
1262 netdev_dummy_get_ifindex(const struct netdev
*netdev
)
1264 struct netdev_dummy
*dev
= netdev_dummy_cast(netdev
);
1267 ovs_mutex_lock(&dev
->mutex
);
1268 ifindex
= dev
->ifindex
;
1269 ovs_mutex_unlock(&dev
->mutex
);
1275 netdev_dummy_update_flags__(struct netdev_dummy
*netdev
,
1276 enum netdev_flags off
, enum netdev_flags on
,
1277 enum netdev_flags
*old_flagsp
)
1278 OVS_REQUIRES(netdev
->mutex
)
1280 if ((off
| on
) & ~(NETDEV_UP
| NETDEV_PROMISC
)) {
1284 *old_flagsp
= netdev
->flags
;
1285 netdev
->flags
|= on
;
1286 netdev
->flags
&= ~off
;
1287 if (*old_flagsp
!= netdev
->flags
) {
1288 netdev_change_seq_changed(&netdev
->up
);
1295 netdev_dummy_update_flags(struct netdev
*netdev_
,
1296 enum netdev_flags off
, enum netdev_flags on
,
1297 enum netdev_flags
*old_flagsp
)
1299 struct netdev_dummy
*netdev
= netdev_dummy_cast(netdev_
);
1302 ovs_mutex_lock(&netdev
->mutex
);
1303 error
= netdev_dummy_update_flags__(netdev
, off
, on
, old_flagsp
);
1304 ovs_mutex_unlock(&netdev
->mutex
);
1309 /* Helper functions. */
1311 #define NETDEV_DUMMY_CLASS(NAME, PMD, RECOFIGURE) \
1317 netdev_dummy_wait, \
1319 netdev_dummy_alloc, \
1320 netdev_dummy_construct, \
1321 netdev_dummy_destruct, \
1322 netdev_dummy_dealloc, \
1323 netdev_dummy_get_config, \
1324 netdev_dummy_set_config, \
1325 NULL, /* get_tunnel_config */ \
1326 NULL, /* build header */ \
1327 NULL, /* push header */ \
1328 NULL, /* pop header */ \
1329 netdev_dummy_get_numa_id, \
1330 NULL, /* set_tx_multiq */ \
1332 netdev_dummy_send, /* send */ \
1333 NULL, /* send_wait */ \
1335 netdev_dummy_set_etheraddr, \
1336 netdev_dummy_get_etheraddr, \
1337 netdev_dummy_get_mtu, \
1338 netdev_dummy_set_mtu, \
1339 netdev_dummy_get_ifindex, \
1340 NULL, /* get_carrier */ \
1341 NULL, /* get_carrier_resets */ \
1342 NULL, /* get_miimon */ \
1343 netdev_dummy_get_stats, \
1345 NULL, /* get_features */ \
1346 NULL, /* set_advertisements */ \
1348 NULL, /* set_policing */ \
1349 NULL, /* get_qos_types */ \
1350 NULL, /* get_qos_capabilities */ \
1351 NULL, /* get_qos */ \
1352 NULL, /* set_qos */ \
1353 netdev_dummy_get_queue, \
1354 NULL, /* set_queue */ \
1355 NULL, /* delete_queue */ \
1356 netdev_dummy_get_queue_stats, \
1357 netdev_dummy_queue_dump_start, \
1358 netdev_dummy_queue_dump_next, \
1359 netdev_dummy_queue_dump_done, \
1360 netdev_dummy_dump_queue_stats, \
1362 NULL, /* set_in4 */ \
1363 netdev_dummy_get_addr_list, \
1364 NULL, /* add_router */ \
1365 NULL, /* get_next_hop */ \
1366 NULL, /* get_status */ \
1367 NULL, /* arp_lookup */ \
1369 netdev_dummy_update_flags, \
1372 netdev_dummy_rxq_alloc, \
1373 netdev_dummy_rxq_construct, \
1374 netdev_dummy_rxq_destruct, \
1375 netdev_dummy_rxq_dealloc, \
1376 netdev_dummy_rxq_recv, \
1377 netdev_dummy_rxq_wait, \
1378 netdev_dummy_rxq_drain, \
1381 static const struct netdev_class dummy_class
=
1382 NETDEV_DUMMY_CLASS("dummy", false, NULL
);
1384 static const struct netdev_class dummy_pmd_class
=
1385 NETDEV_DUMMY_CLASS("dummy-pmd", true,
1386 netdev_dummy_reconfigure
);
1389 pkt_list_delete(struct ovs_list
*l
)
1391 struct pkt_list_node
*pkt
;
1393 LIST_FOR_EACH_POP(pkt
, list_node
, l
) {
1394 dp_packet_delete(pkt
->pkt
);
1399 static struct dp_packet
*
1400 eth_from_packet_or_flow(const char *s
)
1402 enum odp_key_fitness fitness
;
1403 struct dp_packet
*packet
;
1404 struct ofpbuf odp_key
;
1408 if (!eth_from_hex(s
, &packet
)) {
1412 /* Convert string to datapath key.
1414 * It would actually be nicer to parse an OpenFlow-like flow key here, but
1415 * the code for that currently calls exit() on parse error. We have to
1416 * settle for parsing a datapath key for now.
1418 ofpbuf_init(&odp_key
, 0);
1419 error
= odp_flow_from_string(s
, NULL
, &odp_key
, NULL
);
1421 ofpbuf_uninit(&odp_key
);
1425 /* Convert odp_key to flow. */
1426 fitness
= odp_flow_key_to_flow(odp_key
.data
, odp_key
.size
, &flow
);
1427 if (fitness
== ODP_FIT_ERROR
) {
1428 ofpbuf_uninit(&odp_key
);
1432 packet
= dp_packet_new(0);
1433 flow_compose(packet
, &flow
);
1435 ofpbuf_uninit(&odp_key
);
1440 netdev_dummy_queue_packet__(struct netdev_rxq_dummy
*rx
, struct dp_packet
*packet
)
1442 struct pkt_list_node
*pkt_node
= xmalloc(sizeof *pkt_node
);
1444 pkt_node
->pkt
= packet
;
1445 ovs_list_push_back(&rx
->recv_queue
, &pkt_node
->list_node
);
1446 rx
->recv_queue_len
++;
1447 seq_change(rx
->seq
);
1451 netdev_dummy_queue_packet(struct netdev_dummy
*dummy
, struct dp_packet
*packet
,
1453 OVS_REQUIRES(dummy
->mutex
)
1455 struct netdev_rxq_dummy
*rx
, *prev
;
1457 if (dummy
->rxq_pcap
) {
1458 ovs_pcap_write(dummy
->rxq_pcap
, packet
);
1459 fflush(dummy
->rxq_pcap
);
1462 LIST_FOR_EACH (rx
, node
, &dummy
->rxes
) {
1463 if (rx
->up
.queue_id
== queue_id
&&
1464 rx
->recv_queue_len
< NETDEV_DUMMY_MAX_QUEUE
) {
1466 netdev_dummy_queue_packet__(prev
, dp_packet_clone(packet
));
1472 netdev_dummy_queue_packet__(prev
, packet
);
1474 dp_packet_delete(packet
);
1479 netdev_dummy_receive(struct unixctl_conn
*conn
,
1480 int argc
, const char *argv
[], void *aux OVS_UNUSED
)
1482 struct netdev_dummy
*dummy_dev
;
1483 struct netdev
*netdev
;
1484 int i
, k
= 1, rx_qid
= 0;
1486 netdev
= netdev_from_name(argv
[k
++]);
1487 if (!netdev
|| !is_dummy_class(netdev
->netdev_class
)) {
1488 unixctl_command_reply_error(conn
, "no such dummy netdev");
1491 dummy_dev
= netdev_dummy_cast(netdev
);
1493 ovs_mutex_lock(&dummy_dev
->mutex
);
1495 if (argc
> k
+ 1 && !strcmp(argv
[k
], "--qid")) {
1496 rx_qid
= strtol(argv
[k
+ 1], NULL
, 10);
1497 if (rx_qid
< 0 || rx_qid
>= netdev
->n_rxq
) {
1498 unixctl_command_reply_error(conn
, "bad rx queue id.");
1504 for (i
= k
; i
< argc
; i
++) {
1505 struct dp_packet
*packet
;
1507 packet
= eth_from_packet_or_flow(argv
[i
]);
1509 unixctl_command_reply_error(conn
, "bad packet syntax");
1513 netdev_dummy_queue_packet(dummy_dev
, packet
, rx_qid
);
1516 unixctl_command_reply(conn
, NULL
);
1519 ovs_mutex_unlock(&dummy_dev
->mutex
);
1521 netdev_close(netdev
);
1525 netdev_dummy_set_admin_state__(struct netdev_dummy
*dev
, bool admin_state
)
1526 OVS_REQUIRES(dev
->mutex
)
1528 enum netdev_flags old_flags
;
1531 netdev_dummy_update_flags__(dev
, 0, NETDEV_UP
, &old_flags
);
1533 netdev_dummy_update_flags__(dev
, NETDEV_UP
, 0, &old_flags
);
1538 netdev_dummy_set_admin_state(struct unixctl_conn
*conn
, int argc
,
1539 const char *argv
[], void *aux OVS_UNUSED
)
1543 if (!strcasecmp(argv
[argc
- 1], "up")) {
1545 } else if ( !strcasecmp(argv
[argc
- 1], "down")) {
1548 unixctl_command_reply_error(conn
, "Invalid Admin State");
1553 struct netdev
*netdev
= netdev_from_name(argv
[1]);
1554 if (netdev
&& is_dummy_class(netdev
->netdev_class
)) {
1555 struct netdev_dummy
*dummy_dev
= netdev_dummy_cast(netdev
);
1557 ovs_mutex_lock(&dummy_dev
->mutex
);
1558 netdev_dummy_set_admin_state__(dummy_dev
, up
);
1559 ovs_mutex_unlock(&dummy_dev
->mutex
);
1561 netdev_close(netdev
);
1563 unixctl_command_reply_error(conn
, "Unknown Dummy Interface");
1564 netdev_close(netdev
);
1568 struct netdev_dummy
*netdev
;
1570 ovs_mutex_lock(&dummy_list_mutex
);
1571 LIST_FOR_EACH (netdev
, list_node
, &dummy_list
) {
1572 ovs_mutex_lock(&netdev
->mutex
);
1573 netdev_dummy_set_admin_state__(netdev
, up
);
1574 ovs_mutex_unlock(&netdev
->mutex
);
1576 ovs_mutex_unlock(&dummy_list_mutex
);
1578 unixctl_command_reply(conn
, "OK");
1582 display_conn_state__(struct ds
*s
, const char *name
,
1583 enum dummy_netdev_conn_state state
)
1585 ds_put_format(s
, "%s: ", name
);
1588 case CONN_STATE_CONNECTED
:
1589 ds_put_cstr(s
, "connected\n");
1592 case CONN_STATE_NOT_CONNECTED
:
1593 ds_put_cstr(s
, "disconnected\n");
1596 case CONN_STATE_UNKNOWN
:
1598 ds_put_cstr(s
, "unknown\n");
1604 netdev_dummy_conn_state(struct unixctl_conn
*conn
, int argc
,
1605 const char *argv
[], void *aux OVS_UNUSED
)
1607 enum dummy_netdev_conn_state state
= CONN_STATE_UNKNOWN
;
1613 const char *dev_name
= argv
[1];
1614 struct netdev
*netdev
= netdev_from_name(dev_name
);
1616 if (netdev
&& is_dummy_class(netdev
->netdev_class
)) {
1617 struct netdev_dummy
*dummy_dev
= netdev_dummy_cast(netdev
);
1619 ovs_mutex_lock(&dummy_dev
->mutex
);
1620 state
= dummy_netdev_get_conn_state(&dummy_dev
->conn
);
1621 ovs_mutex_unlock(&dummy_dev
->mutex
);
1623 netdev_close(netdev
);
1625 display_conn_state__(&s
, dev_name
, state
);
1627 struct netdev_dummy
*netdev
;
1629 ovs_mutex_lock(&dummy_list_mutex
);
1630 LIST_FOR_EACH (netdev
, list_node
, &dummy_list
) {
1631 ovs_mutex_lock(&netdev
->mutex
);
1632 state
= dummy_netdev_get_conn_state(&netdev
->conn
);
1633 ovs_mutex_unlock(&netdev
->mutex
);
1634 if (state
!= CONN_STATE_UNKNOWN
) {
1635 display_conn_state__(&s
, netdev
->up
.name
, state
);
1638 ovs_mutex_unlock(&dummy_list_mutex
);
1641 unixctl_command_reply(conn
, ds_cstr(&s
));
1646 netdev_dummy_ip4addr(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
1647 const char *argv
[], void *aux OVS_UNUSED
)
1649 struct netdev
*netdev
= netdev_from_name(argv
[1]);
1651 if (netdev
&& is_dummy_class(netdev
->netdev_class
)) {
1652 struct in_addr ip
, mask
;
1655 error
= ip_parse_masked(argv
[2], &ip
.s_addr
, &mask
.s_addr
);
1657 netdev_dummy_set_in4(netdev
, ip
, mask
);
1658 unixctl_command_reply(conn
, "OK");
1660 unixctl_command_reply_error(conn
, error
);
1664 unixctl_command_reply_error(conn
, "Unknown Dummy Interface");
1667 netdev_close(netdev
);
1671 netdev_dummy_ip6addr(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
1672 const char *argv
[], void *aux OVS_UNUSED
)
1674 struct netdev
*netdev
= netdev_from_name(argv
[1]);
1676 if (netdev
&& is_dummy_class(netdev
->netdev_class
)) {
1677 struct in6_addr ip6
;
1681 error
= ipv6_parse_cidr(argv
[2], &ip6
, &plen
);
1683 struct in6_addr mask
;
1685 mask
= ipv6_create_mask(plen
);
1686 netdev_dummy_set_in6(netdev
, &ip6
, &mask
);
1687 unixctl_command_reply(conn
, "OK");
1689 unixctl_command_reply_error(conn
, error
);
1692 netdev_close(netdev
);
1694 unixctl_command_reply_error(conn
, "Unknown Dummy Interface");
1697 netdev_close(netdev
);
1702 netdev_dummy_override(const char *type
)
1704 if (!netdev_unregister_provider(type
)) {
1705 struct netdev_class
*class;
1708 class = xmemdup(&dummy_class
, sizeof dummy_class
);
1709 class->type
= xstrdup(type
);
1710 error
= netdev_register_provider(class);
1712 VLOG_ERR("%s: failed to register netdev provider (%s)",
1713 type
, ovs_strerror(error
));
1714 free(CONST_CAST(char *, class->type
));
1721 netdev_dummy_register(enum dummy_level level
)
1723 unixctl_command_register("netdev-dummy/receive",
1724 "name [--qid queue_id] packet|flow...",
1725 2, INT_MAX
, netdev_dummy_receive
, NULL
);
1726 unixctl_command_register("netdev-dummy/set-admin-state",
1727 "[netdev] up|down", 1, 2,
1728 netdev_dummy_set_admin_state
, NULL
);
1729 unixctl_command_register("netdev-dummy/conn-state",
1731 netdev_dummy_conn_state
, NULL
);
1732 unixctl_command_register("netdev-dummy/ip4addr",
1733 "[netdev] ipaddr/mask-prefix-len", 2, 2,
1734 netdev_dummy_ip4addr
, NULL
);
1735 unixctl_command_register("netdev-dummy/ip6addr",
1736 "[netdev] ip6addr", 2, 2,
1737 netdev_dummy_ip6addr
, NULL
);
1739 if (level
== DUMMY_OVERRIDE_ALL
) {
1744 netdev_enumerate_types(&types
);
1745 SSET_FOR_EACH (type
, &types
) {
1746 if (strcmp(type
, "patch")) {
1747 netdev_dummy_override(type
);
1750 sset_destroy(&types
);
1751 } else if (level
== DUMMY_OVERRIDE_SYSTEM
) {
1752 netdev_dummy_override("system");
1754 netdev_register_provider(&dummy_class
);
1755 netdev_register_provider(&dummy_pmd_class
);
1757 netdev_vport_tunnel_register();