2 * Copyright (c) 2011, 2013 Gaetano Catalli.
3 * Copyright (c) 2013 YAMAMOTO Takashi.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
20 #include "netdev-provider.h"
24 #include <sys/types.h>
26 #include <sys/ioctl.h>
27 #include <sys/socket.h>
28 #include <sys/sockio.h>
30 #include <pcap/pcap.h>
32 #include <net/if_dl.h>
33 #include <net/if_media.h>
34 #include <net/if_tap.h>
35 #include <netinet/in.h>
36 #ifdef HAVE_NET_IF_MIB_H
37 #include <net/if_mib.h>
42 #include <sys/sysctl.h>
43 #if defined(__NetBSD__)
44 #include <net/route.h>
45 #include <netinet/in.h>
46 #include <netinet/if_inarp.h>
51 #include "dynamic-string.h"
52 #include "fatal-signal.h"
54 #include "openflow/openflow.h"
55 #include "ovs-thread.h"
57 #include "poll-loop.h"
58 #include "socket-util.h"
64 VLOG_DEFINE_THIS_MODULE(netdev_bsd
);
67 struct netdev_rx_bsd
{
70 /* Packet capture descriptor for a system network device.
71 * For a tap device this is NULL. */
74 /* Selectable file descriptor for the network device.
75 * This descriptor will be used for polling operations. */
82 /* Never changes after initialization. */
85 /* Protects all members below. */
86 struct ovs_mutex mutex
;
88 unsigned int cache_valid
;
89 unsigned int change_seq
;
92 uint8_t etheraddr
[ETH_ADDR_LEN
];
94 struct in_addr netmask
;
99 int tap_fd
; /* TAP character device, if any, otherwise -1. */
101 /* Used for sending packets on non-tap devices. */
108 VALID_IFINDEX
= 1 << 0,
109 VALID_ETHERADDR
= 1 << 1,
113 VALID_CARRIER
= 1 << 5
116 #define PCAP_SNAPLEN 2048
120 * Notifier used to invalidate device informations in case of status change.
122 * It will be registered with a 'rtbsd_notifier_register()' when the first
123 * device will be created with the call of either 'netdev_bsd_tap_create()' or
124 * 'netdev_bsd_system_create()'.
126 * The callback associated with this notifier ('netdev_bsd_cache_cb()') will
127 * invalidate cached information about the device.
129 static struct rtbsd_notifier netdev_bsd_cache_notifier
;
130 static int cache_notifier_refcount
;
132 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(5, 20);
134 static void destroy_tap(int fd
, const char *name
);
135 static int get_flags(const struct netdev
*, int *flagsp
);
136 static int set_flags(const char *, int flags
);
137 static int do_set_addr(struct netdev
*netdev
,
138 unsigned long ioctl_nr
, const char *ioctl_name
,
139 struct in_addr addr
);
140 static int get_etheraddr(const char *netdev_name
, uint8_t ea
[ETH_ADDR_LEN
]);
141 static int set_etheraddr(const char *netdev_name
, int hwaddr_family
,
142 int hwaddr_len
, const uint8_t[ETH_ADDR_LEN
]);
143 static int get_ifindex(const struct netdev
*, int *ifindexp
);
145 static int ifr_get_flags(const struct ifreq
*);
146 static void ifr_set_flags(struct ifreq
*, int flags
);
149 static int af_link_ioctl(unsigned long command
, const void *arg
);
152 static void netdev_bsd_run(void);
155 is_netdev_bsd_class(const struct netdev_class
*netdev_class
)
157 return netdev_class
->run
== netdev_bsd_run
;
160 static struct netdev_bsd
*
161 netdev_bsd_cast(const struct netdev
*netdev
)
163 ovs_assert(is_netdev_bsd_class(netdev_get_class(netdev
)));
164 return CONTAINER_OF(netdev
, struct netdev_bsd
, up
);
167 static struct netdev_rx_bsd
*
168 netdev_rx_bsd_cast(const struct netdev_rx
*rx
)
170 ovs_assert(is_netdev_bsd_class(netdev_get_class(rx
->netdev
)));
171 return CONTAINER_OF(rx
, struct netdev_rx_bsd
, up
);
175 netdev_get_kernel_name(const struct netdev
*netdev
)
177 return netdev_bsd_cast(netdev
)->kernel_name
;
181 * Perform periodic work needed by netdev. In BSD netdevs it checks for any
182 * interface status changes, and eventually calls all the user callbacks.
187 rtbsd_notifier_run();
191 * Arranges for poll_block() to wake up if the "run" member function needs to
195 netdev_bsd_wait(void)
197 rtbsd_notifier_wait();
201 netdev_bsd_changed(struct netdev_bsd
*dev
)
204 if (!dev
->change_seq
) {
209 /* Invalidate cache in case of interface status change. */
211 netdev_bsd_cache_cb(const struct rtbsd_change
*change
,
212 void *aux OVS_UNUSED
)
214 struct netdev_bsd
*dev
;
217 struct netdev
*base_dev
= netdev_from_name(change
->if_name
);
220 const struct netdev_class
*netdev_class
=
221 netdev_get_class(base_dev
);
223 if (is_netdev_bsd_class(netdev_class
)) {
224 dev
= netdev_bsd_cast(base_dev
);
225 dev
->cache_valid
= 0;
226 netdev_bsd_changed(dev
);
228 netdev_close(base_dev
);
232 * XXX the API is lacking, we should be able to iterate on the list of
233 * netdevs without having to store the info in a temp shash.
235 struct shash device_shash
;
236 struct shash_node
*node
;
238 shash_init(&device_shash
);
239 netdev_get_devices(&netdev_bsd_class
, &device_shash
);
240 SHASH_FOR_EACH (node
, &device_shash
) {
241 struct netdev
*netdev
= node
->data
;
242 dev
= netdev_bsd_cast(netdev
);
243 dev
->cache_valid
= 0;
244 netdev_bsd_changed(dev
);
245 netdev_close(netdev
);
247 shash_destroy(&device_shash
);
252 cache_notifier_ref(void)
256 if (!cache_notifier_refcount
) {
257 ret
= rtbsd_notifier_register(&netdev_bsd_cache_notifier
,
258 netdev_bsd_cache_cb
, NULL
);
263 cache_notifier_refcount
++;
268 cache_notifier_unref(void)
270 cache_notifier_refcount
--;
271 if (cache_notifier_refcount
== 0) {
272 rtbsd_notifier_unregister(&netdev_bsd_cache_notifier
);
277 static struct netdev
*
278 netdev_bsd_alloc(void)
280 struct netdev_bsd
*netdev
= xzalloc(sizeof *netdev
);
285 netdev_bsd_construct_system(struct netdev
*netdev_
)
287 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
288 enum netdev_flags flags
;
291 error
= cache_notifier_ref();
296 ovs_mutex_init(&netdev
->mutex
);
297 netdev
->change_seq
= 1;
299 netdev
->kernel_name
= xstrdup(netdev_
->name
);
301 /* Verify that the netdev really exists by attempting to read its flags */
302 error
= netdev_get_flags(netdev_
, &flags
);
303 if (error
== ENXIO
) {
304 free(netdev
->kernel_name
);
305 cache_notifier_unref();
313 netdev_bsd_construct_tap(struct netdev
*netdev_
)
315 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
316 const char *name
= netdev_
->name
;
319 char *kernel_name
= NULL
;
321 error
= cache_notifier_ref();
326 memset(&ifr
, 0, sizeof(ifr
));
328 /* Create a tap device by opening /dev/tap. The TAPGIFNAME ioctl is used
329 * to retrieve the name of the tap device. */
330 ovs_mutex_init(&netdev
->mutex
);
331 netdev
->tap_fd
= open("/dev/tap", O_RDWR
);
332 netdev
->change_seq
= 1;
333 if (netdev
->tap_fd
< 0) {
335 VLOG_WARN("opening \"/dev/tap\" failed: %s", ovs_strerror(error
));
336 goto error_unref_notifier
;
339 /* Retrieve tap name (e.g. tap0) */
340 if (ioctl(netdev
->tap_fd
, TAPGIFNAME
, &ifr
) == -1) {
341 /* XXX Need to destroy the device? */
343 close(netdev
->tap_fd
);
344 goto error_unref_notifier
;
347 /* Change the name of the tap device */
348 #if defined(SIOCSIFNAME)
349 ifr
.ifr_data
= (void *)name
;
350 error
= af_inet_ioctl(SIOCSIFNAME
, &ifr
);
352 destroy_tap(netdev
->tap_fd
, ifr
.ifr_name
);
353 goto error_unref_notifier
;
355 kernel_name
= xstrdup(name
);
358 * NetBSD doesn't support inteface renaming.
360 VLOG_INFO("tap %s is created for bridge %s", ifr
.ifr_name
, name
);
361 kernel_name
= xstrdup(ifr
.ifr_name
);
364 /* set non-blocking. */
365 error
= set_nonblocking(netdev
->tap_fd
);
367 destroy_tap(netdev
->tap_fd
, kernel_name
);
368 goto error_unref_notifier
;
372 ifr_set_flags(&ifr
, IFF_UP
);
373 strncpy(ifr
.ifr_name
, kernel_name
, sizeof ifr
.ifr_name
);
374 error
= af_inet_ioctl(SIOCSIFFLAGS
, &ifr
);
376 destroy_tap(netdev
->tap_fd
, kernel_name
);
377 goto error_unref_notifier
;
380 netdev
->kernel_name
= kernel_name
;
384 error_unref_notifier
:
385 ovs_mutex_destroy(&netdev
->mutex
);
386 cache_notifier_unref();
393 netdev_bsd_destruct(struct netdev
*netdev_
)
395 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
397 cache_notifier_unref();
399 if (netdev
->tap_fd
>= 0) {
400 destroy_tap(netdev
->tap_fd
, netdev_get_kernel_name(netdev_
));
403 pcap_close(netdev
->pcap
);
405 free(netdev
->kernel_name
);
406 ovs_mutex_destroy(&netdev
->mutex
);
410 netdev_bsd_dealloc(struct netdev
*netdev_
)
412 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
418 netdev_bsd_open_pcap(const char *name
, pcap_t
**pcapp
, int *fdp
)
420 char errbuf
[PCAP_ERRBUF_SIZE
];
426 /* Open the pcap device. The device is opened in non-promiscuous mode
427 * because the interface flags are manually set by the caller. */
429 pcap
= pcap_open_live(name
, PCAP_SNAPLEN
, 0, 1000, errbuf
);
431 VLOG_ERR_RL(&rl
, "%s: pcap_open_live failed: %s", name
, errbuf
);
435 if (errbuf
[0] != '\0') {
436 VLOG_WARN_RL(&rl
, "%s: pcap_open_live: %s", name
, errbuf
);
439 /* Get the underlying fd. */
440 fd
= pcap_get_selectable_fd(pcap
);
442 VLOG_WARN_RL(&rl
, "%s: no selectable file descriptor", name
);
447 /* Set non-blocking mode. Also the BIOCIMMEDIATE ioctl must be called
448 * on the file descriptor returned by pcap_get_selectable_fd to achieve
449 * a real non-blocking behaviour.*/
450 error
= pcap_setnonblock(pcap
, 1, errbuf
);
456 /* This call assure that reads return immediately upon packet
457 * reception. Otherwise, a read will block until either the kernel
458 * buffer becomes full or a timeout occurs. */
459 if (ioctl(fd
, BIOCIMMEDIATE
, &one
) < 0 ) {
460 VLOG_ERR_RL(&rl
, "ioctl(BIOCIMMEDIATE) on %s device failed: %s",
461 name
, ovs_strerror(errno
));
466 /* Capture only incoming packets. */
467 error
= pcap_setdirection(pcap
, PCAP_D_IN
);
486 static struct netdev_rx
*
487 netdev_bsd_rx_alloc(void)
489 struct netdev_rx_bsd
*rx
= xzalloc(sizeof *rx
);
494 netdev_bsd_rx_construct(struct netdev_rx
*rx_
)
496 struct netdev_rx_bsd
*rx
= netdev_rx_bsd_cast(rx_
);
497 struct netdev
*netdev_
= rx
->up
.netdev
;
498 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
501 if (!strcmp(netdev_get_type(netdev_
), "tap")) {
502 rx
->pcap_handle
= NULL
;
503 rx
->fd
= netdev
->tap_fd
;
506 ovs_mutex_lock(&netdev
->mutex
);
507 error
= netdev_bsd_open_pcap(netdev_get_kernel_name(netdev_
),
508 &rx
->pcap_handle
, &rx
->fd
);
510 netdev_bsd_changed(netdev
);
512 ovs_mutex_unlock(&netdev
->mutex
);
519 netdev_bsd_rx_destruct(struct netdev_rx
*rx_
)
521 struct netdev_rx_bsd
*rx
= netdev_rx_bsd_cast(rx_
);
523 if (rx
->pcap_handle
) {
524 pcap_close(rx
->pcap_handle
);
529 netdev_bsd_rx_dealloc(struct netdev_rx
*rx_
)
531 struct netdev_rx_bsd
*rx
= netdev_rx_bsd_cast(rx_
);
536 /* The recv callback of the netdev class returns the number of bytes of the
539 * This can be done by the pcap_next() function. Unfortunately pcap_next() does
540 * not make difference between a missing packet on the capture interface and
541 * an error during the file capture. We can use the pcap_dispatch() function
542 * instead, which is able to distinguish between errors and null packet.
544 * To make pcap_dispatch() returns the number of bytes read from the interface
545 * we need to define the following callback and argument.
554 * This callback will be executed on every captured packet.
556 * If the packet captured by pcap_dispatch() does not fit the pcap buffer,
557 * pcap returns a truncated packet and we follow this behavior.
559 * The argument args->retval is the packet size in bytes.
562 proc_pkt(u_char
*args_
, const struct pcap_pkthdr
*hdr
, const u_char
*packet
)
564 struct pcap_arg
*args
= (struct pcap_arg
*)args_
;
566 if (args
->size
< hdr
->len
) {
567 VLOG_WARN_RL(&rl
, "packet truncated");
568 args
->retval
= args
->size
;
570 args
->retval
= hdr
->len
;
573 /* copy the packet to our buffer */
574 memcpy(args
->data
, packet
, args
->retval
);
578 * This function attempts to receive a packet from the specified network
579 * device. It is assumed that the network device is a system device or a tap
580 * device opened as a system one. In this case the read operation is performed
584 netdev_rx_bsd_recv_pcap(struct netdev_rx_bsd
*rx
, void *data
, size_t size
)
589 /* prepare the pcap argument to store the packet */
594 ret
= pcap_dispatch(rx
->pcap_handle
, 1, proc_pkt
, (u_char
*) &arg
);
597 return arg
.retval
; /* arg.retval < 0 is handled in the caller */
600 if (errno
== EINTR
) {
610 * This function attempts to receive a packet from the specified network
611 * device. It is assumed that the network device is a tap device and
612 * 'rx->fd' is initialized with the tap file descriptor.
615 netdev_rx_bsd_recv_tap(struct netdev_rx_bsd
*rx
, void *data
, size_t size
)
618 ssize_t retval
= read(rx
->fd
, data
, size
);
621 } else if (errno
!= EINTR
) {
622 if (errno
!= EAGAIN
) {
623 VLOG_WARN_RL(&rl
, "error receiving Ethernet packet on %s: %s",
624 ovs_strerror(errno
), netdev_rx_get_name(&rx
->up
));
632 netdev_bsd_rx_recv(struct netdev_rx
*rx_
, void *data
, size_t size
)
634 struct netdev_rx_bsd
*rx
= netdev_rx_bsd_cast(rx_
);
636 return (rx
->pcap_handle
637 ? netdev_rx_bsd_recv_pcap(rx
, data
, size
)
638 : netdev_rx_bsd_recv_tap(rx
, data
, size
));
642 * Registers with the poll loop to wake up from the next call to poll_block()
643 * when a packet is ready to be received with netdev_rx_recv() on 'rx'.
646 netdev_bsd_rx_wait(struct netdev_rx
*rx_
)
648 struct netdev_rx_bsd
*rx
= netdev_rx_bsd_cast(rx_
);
650 poll_fd_wait(rx
->fd
, POLLIN
);
653 /* Discards all packets waiting to be received from 'rx'. */
655 netdev_bsd_rx_drain(struct netdev_rx
*rx_
)
658 struct netdev_rx_bsd
*rx
= netdev_rx_bsd_cast(rx_
);
660 strcpy(ifr
.ifr_name
, netdev_get_kernel_name(netdev_rx_get_netdev(rx_
)));
661 if (ioctl(rx
->fd
, BIOCFLUSH
, &ifr
) == -1) {
662 VLOG_DBG_RL(&rl
, "%s: ioctl(BIOCFLUSH) failed: %s",
663 netdev_rx_get_name(rx_
), ovs_strerror(errno
));
670 * Send a packet on the specified network device. The device could be either a
671 * system or a tap device.
674 netdev_bsd_send(struct netdev
*netdev_
, const void *data
, size_t size
)
676 struct netdev_bsd
*dev
= netdev_bsd_cast(netdev_
);
677 const char *name
= netdev_get_name(netdev_
);
680 ovs_mutex_lock(&dev
->mutex
);
681 if (dev
->tap_fd
< 0 && !dev
->pcap
) {
682 error
= netdev_bsd_open_pcap(name
, &dev
->pcap
, &dev
->fd
);
689 if (dev
->tap_fd
>= 0) {
690 retval
= write(dev
->tap_fd
, data
, size
);
692 retval
= pcap_inject(dev
->pcap
, data
, size
);
695 if (errno
== EINTR
) {
699 if (error
!= EAGAIN
) {
700 VLOG_WARN_RL(&rl
, "error sending Ethernet packet on %s: "
701 "%s", name
, ovs_strerror(error
));
704 } else if (retval
!= size
) {
705 VLOG_WARN_RL(&rl
, "sent partial Ethernet packet (%"PRIuSIZE
"d bytes of "
706 "%"PRIuSIZE
") on %s", retval
, size
, name
);
713 ovs_mutex_unlock(&dev
->mutex
);
718 * Registers with the poll loop to wake up from the next call to poll_block()
719 * when the packet transmission queue has sufficient room to transmit a packet
720 * with netdev_send().
723 netdev_bsd_send_wait(struct netdev
*netdev_
)
725 struct netdev_bsd
*dev
= netdev_bsd_cast(netdev_
);
727 ovs_mutex_lock(&dev
->mutex
);
728 if (dev
->tap_fd
>= 0) {
729 /* TAP device always accepts packets. */
730 poll_immediate_wake();
731 } else if (dev
->pcap
) {
732 poll_fd_wait(dev
->fd
, POLLOUT
);
734 /* We haven't even tried to send a packet yet. */
735 poll_immediate_wake();
737 ovs_mutex_unlock(&dev
->mutex
);
741 * Attempts to set 'netdev''s MAC address to 'mac'. Returns 0 if successful,
742 * otherwise a positive errno value.
745 netdev_bsd_set_etheraddr(struct netdev
*netdev_
,
746 const uint8_t mac
[ETH_ADDR_LEN
])
748 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
751 ovs_mutex_lock(&netdev
->mutex
);
752 if (!(netdev
->cache_valid
& VALID_ETHERADDR
)
753 || !eth_addr_equals(netdev
->etheraddr
, mac
)) {
754 error
= set_etheraddr(netdev_get_kernel_name(netdev_
), AF_LINK
,
757 netdev
->cache_valid
|= VALID_ETHERADDR
;
758 memcpy(netdev
->etheraddr
, mac
, ETH_ADDR_LEN
);
759 netdev_bsd_changed(netdev
);
762 ovs_mutex_unlock(&netdev
->mutex
);
768 * Returns a pointer to 'netdev''s MAC address. The caller must not modify or
769 * free the returned buffer.
772 netdev_bsd_get_etheraddr(const struct netdev
*netdev_
,
773 uint8_t mac
[ETH_ADDR_LEN
])
775 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
778 ovs_mutex_lock(&netdev
->mutex
);
779 if (!(netdev
->cache_valid
& VALID_ETHERADDR
)) {
780 error
= get_etheraddr(netdev_get_kernel_name(netdev_
),
783 netdev
->cache_valid
|= VALID_ETHERADDR
;
787 memcpy(mac
, netdev
->etheraddr
, ETH_ADDR_LEN
);
789 ovs_mutex_unlock(&netdev
->mutex
);
795 * Returns the maximum size of transmitted (and received) packets on 'netdev',
796 * in bytes, not including the hardware header; thus, this is typically 1500
797 * bytes for Ethernet devices.
800 netdev_bsd_get_mtu(const struct netdev
*netdev_
, int *mtup
)
802 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
805 ovs_mutex_lock(&netdev
->mutex
);
806 if (!(netdev
->cache_valid
& VALID_MTU
)) {
809 error
= af_inet_ifreq_ioctl(netdev_get_kernel_name(netdev_
), &ifr
,
810 SIOCGIFMTU
, "SIOCGIFMTU");
812 netdev
->mtu
= ifr
.ifr_mtu
;
813 netdev
->cache_valid
|= VALID_MTU
;
819 ovs_mutex_unlock(&netdev
->mutex
);
825 netdev_bsd_get_ifindex(const struct netdev
*netdev_
)
827 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
830 ovs_mutex_lock(&netdev
->mutex
);
831 error
= get_ifindex(netdev_
, &ifindex
);
832 ovs_mutex_unlock(&netdev
->mutex
);
834 return error
? -error
: ifindex
;
838 netdev_bsd_get_carrier(const struct netdev
*netdev_
, bool *carrier
)
840 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
843 ovs_mutex_lock(&netdev
->mutex
);
844 if (!(netdev
->cache_valid
& VALID_CARRIER
)) {
845 struct ifmediareq ifmr
;
847 memset(&ifmr
, 0, sizeof(ifmr
));
848 strncpy(ifmr
.ifm_name
, netdev_get_kernel_name(netdev_
),
849 sizeof ifmr
.ifm_name
);
851 error
= af_inet_ioctl(SIOCGIFMEDIA
, &ifmr
);
853 netdev
->carrier
= (ifmr
.ifm_status
& IFM_ACTIVE
) == IFM_ACTIVE
;
854 netdev
->cache_valid
|= VALID_CARRIER
;
856 /* If the interface doesn't report whether the media is active,
857 * just assume it is active. */
858 if ((ifmr
.ifm_status
& IFM_AVALID
) == 0) {
859 netdev
->carrier
= true;
862 VLOG_DBG_RL(&rl
, "%s: ioctl(SIOCGIFMEDIA) failed: %s",
863 netdev_get_name(netdev_
), ovs_strerror(error
));
867 *carrier
= netdev
->carrier
;
869 ovs_mutex_unlock(&netdev
->mutex
);
875 convert_stats(struct netdev_stats
*stats
, const struct if_data
*ifd
)
878 * note: UINT64_MAX means unsupported
880 stats
->rx_packets
= ifd
->ifi_ipackets
;
881 stats
->tx_packets
= ifd
->ifi_opackets
;
882 stats
->rx_bytes
= ifd
->ifi_obytes
;
883 stats
->tx_bytes
= ifd
->ifi_ibytes
;
884 stats
->rx_errors
= ifd
->ifi_ierrors
;
885 stats
->tx_errors
= ifd
->ifi_oerrors
;
886 stats
->rx_dropped
= ifd
->ifi_iqdrops
;
887 stats
->tx_dropped
= UINT64_MAX
;
888 stats
->multicast
= ifd
->ifi_imcasts
;
889 stats
->collisions
= ifd
->ifi_collisions
;
890 stats
->rx_length_errors
= UINT64_MAX
;
891 stats
->rx_over_errors
= UINT64_MAX
;
892 stats
->rx_crc_errors
= UINT64_MAX
;
893 stats
->rx_frame_errors
= UINT64_MAX
;
894 stats
->rx_fifo_errors
= UINT64_MAX
;
895 stats
->rx_missed_errors
= UINT64_MAX
;
896 stats
->tx_aborted_errors
= UINT64_MAX
;
897 stats
->tx_carrier_errors
= UINT64_MAX
;
898 stats
->tx_fifo_errors
= UINT64_MAX
;
899 stats
->tx_heartbeat_errors
= UINT64_MAX
;
900 stats
->tx_window_errors
= UINT64_MAX
;
903 /* Retrieves current device stats for 'netdev'. */
905 netdev_bsd_get_stats(const struct netdev
*netdev_
, struct netdev_stats
*stats
)
907 #if defined(__FreeBSD__)
911 struct ifmibdata ifmd
;
916 mib
[2] = NETLINK_GENERIC
;
917 mib
[3] = IFMIB_SYSTEM
;
918 mib
[4] = IFMIB_IFCOUNT
;
920 len
= sizeof(if_count
);
922 if (sysctl(mib
, 5, &if_count
, &len
, (void *)0, 0) == -1) {
923 VLOG_DBG_RL(&rl
, "%s: sysctl failed: %s",
924 netdev_get_name(netdev_
), ovs_strerror(errno
));
928 mib
[5] = IFDATA_GENERAL
;
929 mib
[3] = IFMIB_IFDATA
;
931 for (i
= 1; i
<= if_count
; i
++) {
933 if (sysctl(mib
, 6, &ifmd
, &len
, (void *)0, 0) == -1) {
934 VLOG_DBG_RL(&rl
, "%s: sysctl failed: %s",
935 netdev_get_name(netdev_
), ovs_strerror(errno
));
937 } else if (!strcmp(ifmd
.ifmd_name
, netdev_get_name(netdev_
))) {
938 convert_stats(stats
, &ifmd
.ifmd_data
);
944 #elif defined(__NetBSD__)
945 struct ifdatareq ifdr
;
948 memset(&ifdr
, 0, sizeof(ifdr
));
949 strncpy(ifdr
.ifdr_name
, netdev_get_kernel_name(netdev_
),
950 sizeof(ifdr
.ifdr_name
));
951 error
= af_link_ioctl(SIOCGIFDATA
, &ifdr
);
953 convert_stats(stats
, &ifdr
.ifdr_data
);
957 #error not implemented
962 netdev_bsd_parse_media(int media
)
964 uint32_t supported
= 0;
965 bool half_duplex
= media
& IFM_HDX
? true : false;
967 switch (IFM_SUBTYPE(media
)) {
972 supported
|= half_duplex
? NETDEV_F_10MB_HD
: NETDEV_F_10MB_FD
;
973 supported
|= NETDEV_F_COPPER
;
977 supported
|= half_duplex
? NETDEV_F_10MB_HD
: NETDEV_F_10MB_FD
;
978 supported
|= NETDEV_F_FIBER
;
985 supported
|= half_duplex
? NETDEV_F_100MB_HD
: NETDEV_F_100MB_FD
;
986 supported
|= NETDEV_F_COPPER
;
990 supported
|= half_duplex
? NETDEV_F_100MB_HD
: NETDEV_F_100MB_FD
;
991 supported
|= NETDEV_F_FIBER
;
996 supported
|= half_duplex
? NETDEV_F_1GB_HD
: NETDEV_F_1GB_FD
;
997 supported
|= NETDEV_F_COPPER
;
1002 supported
|= half_duplex
? NETDEV_F_1GB_HD
: NETDEV_F_1GB_FD
;
1003 supported
|= NETDEV_F_FIBER
;
1007 supported
|= NETDEV_F_10GB_FD
;
1008 supported
|= NETDEV_F_COPPER
;
1013 supported
|= NETDEV_F_10GB_FD
;
1014 supported
|= NETDEV_F_FIBER
;
1021 if (IFM_SUBTYPE(media
) == IFM_AUTO
) {
1022 supported
|= NETDEV_F_AUTONEG
;
1025 if (media & IFM_ETH_FMASK) {
1026 supported |= NETDEV_F_PAUSE;
1034 * Stores the features supported by 'netdev' into each of '*current',
1035 * '*advertised', '*supported', and '*peer' that are non-null. Each value is a
1036 * bitmap of "enum ofp_port_features" bits, in host byte order. Returns 0 if
1037 * successful, otherwise a positive errno value. On failure, all of the
1038 * passed-in values are set to 0.
1041 netdev_bsd_get_features(const struct netdev
*netdev
,
1042 enum netdev_features
*current
, uint32_t *advertised
,
1043 enum netdev_features
*supported
, uint32_t *peer
)
1045 struct ifmediareq ifmr
;
1051 /* XXX Look into SIOCGIFCAP instead of SIOCGIFMEDIA */
1053 memset(&ifmr
, 0, sizeof(ifmr
));
1054 strncpy(ifmr
.ifm_name
, netdev_get_name(netdev
), sizeof ifmr
.ifm_name
);
1056 /* We make two SIOCGIFMEDIA ioctl calls. The first to determine the
1057 * number of supported modes, and a second with a buffer to retrieve
1059 error
= af_inet_ioctl(SIOCGIFMEDIA
, &ifmr
);
1061 VLOG_DBG_RL(&rl
, "%s: ioctl(SIOCGIFMEDIA) failed: %s",
1062 netdev_get_name(netdev
), ovs_strerror(error
));
1066 media_list
= xcalloc(ifmr
.ifm_count
, sizeof(int));
1067 ifmr
.ifm_ulist
= media_list
;
1069 if (IFM_TYPE(ifmr
.ifm_current
) != IFM_ETHER
) {
1070 VLOG_DBG_RL(&rl
, "%s: doesn't appear to be ethernet",
1071 netdev_get_name(netdev
));
1076 error
= af_inet_ioctl(SIOCGIFMEDIA
, &ifmr
);
1078 VLOG_DBG_RL(&rl
, "%s: ioctl(SIOCGIFMEDIA) failed: %s",
1079 netdev_get_name(netdev
), ovs_strerror(error
));
1083 /* Current settings. */
1084 *current
= netdev_bsd_parse_media(ifmr
.ifm_active
);
1086 /* Advertised features. */
1087 *advertised
= netdev_bsd_parse_media(ifmr
.ifm_current
);
1089 /* Supported features. */
1091 for (i
= 0; i
< ifmr
.ifm_count
; i
++) {
1092 *supported
|= netdev_bsd_parse_media(ifmr
.ifm_ulist
[i
]);
1095 /* Peer advertisements. */
1096 *peer
= 0; /* XXX */
1105 * If 'netdev' has an assigned IPv4 address, sets '*in4' to that address and
1106 * '*netmask' to its netmask and returns true. Otherwise, returns false.
1109 netdev_bsd_get_in4(const struct netdev
*netdev_
, struct in_addr
*in4
,
1110 struct in_addr
*netmask
)
1112 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
1115 ovs_mutex_lock(&netdev
->mutex
);
1116 if (!(netdev
->cache_valid
& VALID_IN4
)) {
1119 ifr
.ifr_addr
.sa_family
= AF_INET
;
1120 error
= af_inet_ifreq_ioctl(netdev_get_kernel_name(netdev_
), &ifr
,
1121 SIOCGIFADDR
, "SIOCGIFADDR");
1123 const struct sockaddr_in
*sin
;
1125 sin
= (struct sockaddr_in
*) &ifr
.ifr_addr
;
1126 netdev
->in4
= sin
->sin_addr
;
1127 netdev
->cache_valid
|= VALID_IN4
;
1128 error
= af_inet_ifreq_ioctl(netdev_get_kernel_name(netdev_
), &ifr
,
1129 SIOCGIFNETMASK
, "SIOCGIFNETMASK");
1131 *netmask
= sin
->sin_addr
;
1137 *netmask
= netdev
->netmask
;
1139 ovs_mutex_unlock(&netdev
->mutex
);
1141 return error
? error
: in4
->s_addr
== INADDR_ANY
? EADDRNOTAVAIL
: 0;
1145 * Assigns 'addr' as 'netdev''s IPv4 address and 'mask' as its netmask. If
1146 * 'addr' is INADDR_ANY, 'netdev''s IPv4 address is cleared. Returns a
1147 * positive errno value.
1150 netdev_bsd_set_in4(struct netdev
*netdev_
, struct in_addr addr
,
1151 struct in_addr mask
)
1153 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
1156 ovs_mutex_lock(&netdev
->mutex
);
1157 error
= do_set_addr(netdev_
, SIOCSIFADDR
, "SIOCSIFADDR", addr
);
1159 if (addr
.s_addr
!= INADDR_ANY
) {
1160 error
= do_set_addr(netdev_
, SIOCSIFNETMASK
,
1161 "SIOCSIFNETMASK", mask
);
1163 netdev
->cache_valid
|= VALID_IN4
;
1165 netdev
->netmask
= mask
;
1168 netdev_bsd_changed(netdev
);
1170 ovs_mutex_unlock(&netdev
->mutex
);
1176 netdev_bsd_get_in6(const struct netdev
*netdev_
, struct in6_addr
*in6
)
1178 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
1179 if (!(netdev
->cache_valid
& VALID_IN6
)) {
1180 struct ifaddrs
*ifa
, *head
;
1181 struct sockaddr_in6
*sin6
;
1182 const char *netdev_name
= netdev_get_name(netdev_
);
1184 if (getifaddrs(&head
) != 0) {
1185 VLOG_ERR("getifaddrs on %s device failed: %s", netdev_name
,
1186 ovs_strerror(errno
));
1190 for (ifa
= head
; ifa
; ifa
= ifa
->ifa_next
) {
1191 if (ifa
->ifa_addr
->sa_family
== AF_INET6
&&
1192 !strcmp(ifa
->ifa_name
, netdev_name
)) {
1193 sin6
= (struct sockaddr_in6
*)ifa
->ifa_addr
;
1195 memcpy(&netdev
->in6
, &sin6
->sin6_addr
, sin6
->sin6_len
);
1196 netdev
->cache_valid
|= VALID_IN6
;
1203 return EADDRNOTAVAIL
;
1209 #if defined(__NetBSD__)
1211 netdev_bsd_kernel_name_to_ovs_name(const char *kernel_name
)
1213 char *ovs_name
= NULL
;
1214 struct shash device_shash
;
1215 struct shash_node
*node
;
1217 shash_init(&device_shash
);
1218 netdev_get_devices(&netdev_tap_class
, &device_shash
);
1219 SHASH_FOR_EACH(node
, &device_shash
) {
1220 struct netdev
*netdev
= node
->data
;
1221 struct netdev_bsd
* const dev
= netdev_bsd_cast(netdev
);
1223 if (!strcmp(dev
->kernel_name
, kernel_name
)) {
1225 ovs_name
= xstrdup(netdev_get_name(&dev
->up
));
1227 netdev_close(netdev
);
1229 shash_destroy(&device_shash
);
1231 return ovs_name
? ovs_name
: xstrdup(kernel_name
);
1236 netdev_bsd_get_next_hop(const struct in_addr
*host OVS_UNUSED
,
1237 struct in_addr
*next_hop OVS_UNUSED
,
1238 char **netdev_name OVS_UNUSED
)
1240 #if defined(__NetBSD__)
1242 struct sockaddr_in sin
;
1243 struct sockaddr_dl sdl
;
1250 struct rt_msghdr
*rtm
= &buf
.h
;
1251 const pid_t pid
= getpid();
1254 bool gateway
= false;
1255 char *ifname
= NULL
;
1258 memset(next_hop
, 0, sizeof(*next_hop
));
1259 *netdev_name
= NULL
;
1261 memset(&sin
, 0, sizeof(sin
));
1262 sin
.sin_len
= sizeof(sin
);
1263 sin
.sin_family
= AF_INET
;
1265 sin
.sin_addr
= *host
;
1267 memset(&sdl
, 0, sizeof(sdl
));
1268 sdl
.sdl_len
= sizeof(sdl
);
1269 sdl
.sdl_family
= AF_LINK
;
1271 s
= socket(PF_ROUTE
, SOCK_RAW
, 0);
1272 memset(&buf
, 0, sizeof(buf
));
1273 rtm
->rtm_flags
= RTF_HOST
|RTF_UP
;
1274 rtm
->rtm_version
= RTM_VERSION
;
1275 rtm
->rtm_addrs
= RTA_DST
|RTA_IFP
;
1276 cp
= (void *)&buf
.space
;
1277 memcpy(cp
, &sin
, sizeof(sin
));
1278 RT_ADVANCE(cp
, (struct sockaddr
*)(void *)&sin
);
1279 memcpy(cp
, &sdl
, sizeof(sdl
));
1280 RT_ADVANCE(cp
, (struct sockaddr
*)(void *)&sdl
);
1281 rtm
->rtm_msglen
= cp
- (char *)(void *)rtm
;
1282 rtm
->rtm_seq
= ++seq
;
1283 rtm
->rtm_type
= RTM_GET
;
1285 write(s
, rtm
, rtm
->rtm_msglen
);
1286 memset(&buf
, 0, sizeof(buf
));
1288 ssz
= read(s
, &buf
, sizeof(buf
));
1289 } while (ssz
> 0 && (rtm
->rtm_seq
!= seq
|| rtm
->rtm_pid
!= pid
));
1290 saved_errno
= errno
;
1296 return EPIPE
; /* XXX */
1298 cp
= (void *)&buf
.space
;
1299 for (i
= 1; i
; i
<<= 1) {
1300 if ((rtm
->rtm_addrs
& i
) != 0) {
1301 const struct sockaddr
*sa
= (const void *)cp
;
1303 if ((i
== RTA_GATEWAY
) && sa
->sa_family
== AF_INET
) {
1304 const struct sockaddr_in
* const sin
=
1305 (const struct sockaddr_in
*)sa
;
1307 *next_hop
= sin
->sin_addr
;
1310 if ((i
== RTA_IFP
) && sa
->sa_family
== AF_LINK
) {
1311 const struct sockaddr_dl
* const sdl
=
1312 (const struct sockaddr_dl
*)sa
;
1315 kernel_name
= xmemdup0(sdl
->sdl_data
, sdl
->sdl_nlen
);
1316 ifname
= netdev_bsd_kernel_name_to_ovs_name(kernel_name
);
1322 if (ifname
== NULL
) {
1328 *netdev_name
= ifname
;
1329 VLOG_DBG("host " IP_FMT
" next-hop " IP_FMT
" if %s",
1330 IP_ARGS(host
->s_addr
), IP_ARGS(next_hop
->s_addr
), *netdev_name
);
1338 netdev_bsd_arp_lookup(const struct netdev
*netdev OVS_UNUSED
,
1339 ovs_be32 ip OVS_UNUSED
,
1340 uint8_t mac
[ETH_ADDR_LEN
] OVS_UNUSED
)
1342 #if defined(__NetBSD__)
1343 const struct rt_msghdr
*rtm
;
1356 mib
[4] = NET_RT_FLAGS
;
1357 mib
[5] = RTF_LLINFO
;
1358 if (sysctl(mib
, 6, NULL
, &needed
, NULL
, 0) == -1) {
1362 buf
= xmalloc(needed
);
1363 if (sysctl(mib
, 6, buf
, &needed
, NULL
, 0) == -1) {
1368 for (cp
= buf
; cp
< ep
; cp
+= rtm
->rtm_msglen
) {
1369 const struct sockaddr_inarp
*sina
;
1370 const struct sockaddr_dl
*sdl
;
1372 rtm
= (const void *)cp
;
1373 sina
= (const void *)(rtm
+ 1);
1374 if (ip
!= sina
->sin_addr
.s_addr
) {
1377 sdl
= (const void *)
1378 ((const char *)(const void *)sina
+ RT_ROUNDUP(sina
->sin_len
));
1379 if (sdl
->sdl_alen
== ETH_ADDR_LEN
) {
1380 memcpy(mac
, &sdl
->sdl_data
[sdl
->sdl_nlen
], ETH_ADDR_LEN
);
1395 make_in4_sockaddr(struct sockaddr
*sa
, struct in_addr addr
)
1397 struct sockaddr_in sin
;
1398 memset(&sin
, 0, sizeof sin
);
1399 sin
.sin_family
= AF_INET
;
1400 sin
.sin_addr
= addr
;
1403 memset(sa
, 0, sizeof *sa
);
1404 memcpy(sa
, &sin
, sizeof sin
);
1408 do_set_addr(struct netdev
*netdev
,
1409 unsigned long ioctl_nr
, const char *ioctl_name
,
1410 struct in_addr addr
)
1413 make_in4_sockaddr(&ifr
.ifr_addr
, addr
);
1414 return af_inet_ifreq_ioctl(netdev_get_kernel_name(netdev
), &ifr
, ioctl_nr
,
1419 nd_to_iff_flags(enum netdev_flags nd
)
1422 if (nd
& NETDEV_UP
) {
1425 if (nd
& NETDEV_PROMISC
) {
1427 #if defined(IFF_PPROMISC)
1428 iff
|= IFF_PPROMISC
;
1431 if (nd
& NETDEV_LOOPBACK
) {
1432 iff
|= IFF_LOOPBACK
;
1438 iff_to_nd_flags(int iff
)
1440 enum netdev_flags nd
= 0;
1444 if (iff
& IFF_PROMISC
) {
1445 nd
|= NETDEV_PROMISC
;
1447 if (iff
& IFF_LOOPBACK
) {
1448 nd
|= NETDEV_LOOPBACK
;
1454 netdev_bsd_update_flags(struct netdev
*netdev_
, enum netdev_flags off
,
1455 enum netdev_flags on
, enum netdev_flags
*old_flagsp
)
1457 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
1458 int old_flags
, new_flags
;
1461 error
= get_flags(netdev_
, &old_flags
);
1463 *old_flagsp
= iff_to_nd_flags(old_flags
);
1464 new_flags
= (old_flags
& ~nd_to_iff_flags(off
)) | nd_to_iff_flags(on
);
1465 if (new_flags
!= old_flags
) {
1466 error
= set_flags(netdev_get_kernel_name(netdev_
), new_flags
);
1467 netdev_bsd_changed(netdev
);
1474 netdev_bsd_change_seq(const struct netdev
*netdev
)
1476 return netdev_bsd_cast(netdev
)->change_seq
;
1480 const struct netdev_class netdev_bsd_class
= {
1487 netdev_bsd_construct_system
,
1488 netdev_bsd_destruct
,
1490 NULL
, /* get_config */
1491 NULL
, /* set_config */
1492 NULL
, /* get_tunnel_config */
1495 netdev_bsd_send_wait
,
1497 netdev_bsd_set_etheraddr
,
1498 netdev_bsd_get_etheraddr
,
1501 netdev_bsd_get_ifindex
,
1502 netdev_bsd_get_carrier
,
1503 NULL
, /* get_carrier_resets */
1504 NULL
, /* set_miimon_interval */
1505 netdev_bsd_get_stats
,
1506 NULL
, /* set_stats */
1508 netdev_bsd_get_features
,
1509 NULL
, /* set_advertisement */
1510 NULL
, /* set_policing */
1511 NULL
, /* get_qos_type */
1512 NULL
, /* get_qos_capabilities */
1515 NULL
, /* get_queue */
1516 NULL
, /* set_queue */
1517 NULL
, /* delete_queue */
1518 NULL
, /* get_queue_stats */
1519 NULL
, /* queue_dump_start */
1520 NULL
, /* queue_dump_next */
1521 NULL
, /* queue_dump_done */
1522 NULL
, /* dump_queue_stats */
1527 NULL
, /* add_router */
1528 netdev_bsd_get_next_hop
,
1529 NULL
, /* get_status */
1530 netdev_bsd_arp_lookup
, /* arp_lookup */
1532 netdev_bsd_update_flags
,
1534 netdev_bsd_change_seq
,
1536 netdev_bsd_rx_alloc
,
1537 netdev_bsd_rx_construct
,
1538 netdev_bsd_rx_destruct
,
1539 netdev_bsd_rx_dealloc
,
1542 netdev_bsd_rx_drain
,
1545 const struct netdev_class netdev_tap_class
= {
1552 netdev_bsd_construct_tap
,
1553 netdev_bsd_destruct
,
1555 NULL
, /* get_config */
1556 NULL
, /* set_config */
1557 NULL
, /* get_tunnel_config */
1560 netdev_bsd_send_wait
,
1562 netdev_bsd_set_etheraddr
,
1563 netdev_bsd_get_etheraddr
,
1566 netdev_bsd_get_ifindex
,
1567 netdev_bsd_get_carrier
,
1568 NULL
, /* get_carrier_resets */
1569 NULL
, /* set_miimon_interval */
1570 netdev_bsd_get_stats
,
1571 NULL
, /* set_stats */
1573 netdev_bsd_get_features
,
1574 NULL
, /* set_advertisement */
1575 NULL
, /* set_policing */
1576 NULL
, /* get_qos_type */
1577 NULL
, /* get_qos_capabilities */
1580 NULL
, /* get_queue */
1581 NULL
, /* set_queue */
1582 NULL
, /* delete_queue */
1583 NULL
, /* get_queue_stats */
1584 NULL
, /* queue_dump_start */
1585 NULL
, /* queue_dump_next */
1586 NULL
, /* queue_dump_done */
1587 NULL
, /* dump_queue_stats */
1592 NULL
, /* add_router */
1593 netdev_bsd_get_next_hop
,
1594 NULL
, /* get_status */
1595 netdev_bsd_arp_lookup
, /* arp_lookup */
1597 netdev_bsd_update_flags
,
1599 netdev_bsd_change_seq
,
1601 netdev_bsd_rx_alloc
,
1602 netdev_bsd_rx_construct
,
1603 netdev_bsd_rx_destruct
,
1604 netdev_bsd_rx_dealloc
,
1607 netdev_bsd_rx_drain
,
1612 destroy_tap(int fd
, const char *name
)
1617 strcpy(ifr
.ifr_name
, name
);
1618 /* XXX What to do if this call fails? */
1619 af_inet_ioctl(SIOCIFDESTROY
, &ifr
);
1623 get_flags(const struct netdev
*netdev
, int *flags
)
1628 error
= af_inet_ifreq_ioctl(netdev_get_kernel_name(netdev
), &ifr
,
1629 SIOCGIFFLAGS
, "SIOCGIFFLAGS");
1631 *flags
= ifr_get_flags(&ifr
);
1637 set_flags(const char *name
, int flags
)
1641 ifr_set_flags(&ifr
, flags
);
1643 return af_inet_ifreq_ioctl(name
, &ifr
, SIOCSIFFLAGS
, "SIOCSIFFLAGS");
1647 get_ifindex(const struct netdev
*netdev_
, int *ifindexp
)
1649 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
1651 if (!(netdev
->cache_valid
& VALID_IFINDEX
)) {
1652 int ifindex
= if_nametoindex(netdev_get_name(netdev_
));
1656 netdev
->cache_valid
|= VALID_IFINDEX
;
1657 netdev
->ifindex
= ifindex
;
1659 *ifindexp
= netdev
->ifindex
;
1664 get_etheraddr(const char *netdev_name
, uint8_t ea
[ETH_ADDR_LEN
])
1666 struct ifaddrs
*head
;
1667 struct ifaddrs
*ifa
;
1668 struct sockaddr_dl
*sdl
;
1670 if (getifaddrs(&head
) != 0) {
1671 VLOG_ERR("getifaddrs on %s device failed: %s", netdev_name
,
1672 ovs_strerror(errno
));
1676 for (ifa
= head
; ifa
; ifa
= ifa
->ifa_next
) {
1677 if (ifa
->ifa_addr
->sa_family
== AF_LINK
) {
1678 if (!strcmp(ifa
->ifa_name
, netdev_name
)) {
1679 sdl
= (struct sockaddr_dl
*)ifa
->ifa_addr
;
1681 memcpy(ea
, LLADDR(sdl
), sdl
->sdl_alen
);
1689 VLOG_ERR("could not find ethernet address for %s device", netdev_name
);
1695 set_etheraddr(const char *netdev_name OVS_UNUSED
, int hwaddr_family OVS_UNUSED
,
1696 int hwaddr_len OVS_UNUSED
,
1697 const uint8_t mac
[ETH_ADDR_LEN
] OVS_UNUSED
)
1699 #if defined(__FreeBSD__)
1703 memset(&ifr
, 0, sizeof ifr
);
1704 strncpy(ifr
.ifr_name
, netdev_name
, sizeof ifr
.ifr_name
);
1705 ifr
.ifr_addr
.sa_family
= hwaddr_family
;
1706 ifr
.ifr_addr
.sa_len
= hwaddr_len
;
1707 memcpy(ifr
.ifr_addr
.sa_data
, mac
, hwaddr_len
);
1708 error
= af_inet_ioctl(SIOCSIFLLADDR
, &ifr
);
1710 VLOG_ERR("ioctl(SIOCSIFLLADDR) on %s device failed: %s",
1711 netdev_name
, ovs_strerror(error
));
1715 #elif defined(__NetBSD__)
1716 struct if_laddrreq req
;
1717 struct sockaddr_dl
*sdl
;
1718 struct sockaddr_storage oldaddr
;
1722 * get the old address, add new one, and then remove old one.
1725 if (hwaddr_len
!= ETH_ADDR_LEN
) {
1726 /* just to be safe about sockaddr storage size */
1729 memset(&req
, 0, sizeof(req
));
1730 strncpy(req
.iflr_name
, netdev_name
, sizeof(req
.iflr_name
));
1731 req
.addr
.ss_len
= sizeof(req
.addr
);
1732 req
.addr
.ss_family
= hwaddr_family
;
1733 sdl
= (struct sockaddr_dl
*)&req
.addr
;
1734 sdl
->sdl_alen
= hwaddr_len
;
1736 error
= af_link_ioctl(SIOCGLIFADDR
, &req
);
1740 if (!memcmp(&sdl
->sdl_data
[sdl
->sdl_nlen
], mac
, hwaddr_len
)) {
1745 memset(&req
, 0, sizeof(req
));
1746 strncpy(req
.iflr_name
, netdev_name
, sizeof(req
.iflr_name
));
1747 req
.flags
= IFLR_ACTIVE
;
1748 sdl
= (struct sockaddr_dl
*)&req
.addr
;
1749 sdl
->sdl_len
= offsetof(struct sockaddr_dl
, sdl_data
) + hwaddr_len
;
1750 sdl
->sdl_alen
= hwaddr_len
;
1751 sdl
->sdl_family
= hwaddr_family
;
1752 memcpy(sdl
->sdl_data
, mac
, hwaddr_len
);
1753 error
= af_link_ioctl(SIOCALIFADDR
, &req
);
1758 memset(&req
, 0, sizeof(req
));
1759 strncpy(req
.iflr_name
, netdev_name
, sizeof(req
.iflr_name
));
1761 return af_link_ioctl(SIOCDLIFADDR
, &req
);
1763 #error not implemented
1768 ifr_get_flags(const struct ifreq
*ifr
)
1770 #ifdef HAVE_STRUCT_IFREQ_IFR_FLAGSHIGH
1771 return (ifr
->ifr_flagshigh
<< 16) | ifr
->ifr_flags
;
1773 return ifr
->ifr_flags
;
1778 ifr_set_flags(struct ifreq
*ifr
, int flags
)
1780 ifr
->ifr_flags
= flags
;
1781 #ifdef HAVE_STRUCT_IFREQ_IFR_FLAGSHIGH
1782 ifr
->ifr_flagshigh
= flags
>> 16;
1786 /* Calls ioctl() on an AF_LINK sock, passing the specified 'command' and
1787 * 'arg'. Returns 0 if successful, otherwise a positive errno value. */
1789 af_link_ioctl(unsigned long command
, const void *arg
)
1791 static struct ovsthread_once once
= OVSTHREAD_ONCE_INITIALIZER
;
1794 if (ovsthread_once_start(&once
)) {
1795 sock
= socket(AF_LINK
, SOCK_DGRAM
, 0);
1798 VLOG_ERR("failed to create link socket: %s", ovs_strerror(errno
));
1800 ovsthread_once_done(&once
);
1803 return (sock
< 0 ? -sock
1804 : ioctl(sock
, command
, arg
) == -1 ? errno