2 * Copyright (c) 2011 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>
49 #include "dynamic-string.h"
50 #include "fatal-signal.h"
52 #include "openflow/openflow.h"
54 #include "poll-loop.h"
55 #include "socket-util.h"
61 VLOG_DEFINE_THIS_MODULE(netdev_bsd
);
64 struct netdev_rx_bsd
{
67 /* Packet capture descriptor for a system network device.
68 * For a tap device this is NULL. */
71 /* Selectable file descriptor for the network device.
72 * This descriptor will be used for polling operations. */
76 static const struct netdev_rx_class netdev_rx_bsd_class
;
80 unsigned int cache_valid
;
81 unsigned int change_seq
;
84 uint8_t etheraddr
[ETH_ADDR_LEN
];
86 struct in_addr netmask
;
91 int tap_fd
; /* TAP character device, if any, otherwise -1. */
93 /* Used for sending packets on non-tap devices. */
102 VALID_IFINDEX
= 1 << 0,
103 VALID_ETHERADDR
= 1 << 1,
107 VALID_CARRIER
= 1 << 5
110 /* An AF_INET socket (used for ioctl operations). */
111 static int af_inet_sock
= -1;
113 #if defined(__NetBSD__)
114 /* AF_LINK socket used for netdev_bsd_get_stats and set_etheraddr */
115 static int af_link_sock
= -1;
116 #endif /* defined(__NetBSD__) */
118 #define PCAP_SNAPLEN 2048
122 * Notifier used to invalidate device informations in case of status change.
124 * It will be registered with a 'rtbsd_notifier_register()' when the first
125 * device will be created with the call of either 'netdev_bsd_tap_create()' or
126 * 'netdev_bsd_system_create()'.
128 * The callback associated with this notifier ('netdev_bsd_cache_cb()') will
129 * invalidate cached information about the device.
131 static struct rtbsd_notifier netdev_bsd_cache_notifier
;
132 static int cache_notifier_refcount
;
134 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(5, 20);
136 static int netdev_bsd_do_ioctl(const char *, struct ifreq
*, unsigned long cmd
,
137 const char *cmd_name
);
138 static void destroy_tap(int fd
, const char *name
);
139 static int get_flags(const struct netdev
*, int *flagsp
);
140 static int set_flags(const char *, int flags
);
141 static int do_set_addr(struct netdev
*netdev
,
142 int ioctl_nr
, const char *ioctl_name
,
143 struct in_addr addr
);
144 static int get_etheraddr(const char *netdev_name
, uint8_t ea
[ETH_ADDR_LEN
]);
145 static int set_etheraddr(const char *netdev_name
, int hwaddr_family
,
146 int hwaddr_len
, const uint8_t[ETH_ADDR_LEN
]);
147 static int get_ifindex(const struct netdev
*, int *ifindexp
);
149 static int ifr_get_flags(const struct ifreq
*);
150 static void ifr_set_flags(struct ifreq
*, int flags
);
152 static int netdev_bsd_init(void);
155 is_netdev_bsd_class(const struct netdev_class
*netdev_class
)
157 return netdev_class
->init
== netdev_bsd_init
;
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 netdev_rx_assert_class(rx
, &netdev_rx_bsd_class
);
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
;
180 /* Initialize the AF_INET socket used for ioctl operations */
182 netdev_bsd_init(void)
184 static int status
= -1;
186 if (status
>= 0) { /* already initialized */
190 af_inet_sock
= socket(AF_INET
, SOCK_DGRAM
, 0);
191 status
= af_inet_sock
>= 0 ? 0 : errno
;
193 VLOG_ERR("failed to create inet socket: %s", ovs_strerror(status
));
197 #if defined(__NetBSD__)
198 af_link_sock
= socket(AF_LINK
, SOCK_DGRAM
, 0);
199 status
= af_link_sock
>= 0 ? 0 : errno
;
201 VLOG_ERR("failed to create link socket: %s", ovs_strerror(status
));
205 #endif /* defined(__NetBSD__) */
211 * Perform periodic work needed by netdev. In BSD netdevs it checks for any
212 * interface status changes, and eventually calls all the user callbacks.
217 rtbsd_notifier_run();
221 * Arranges for poll_block() to wake up if the "run" member function needs to
225 netdev_bsd_wait(void)
227 rtbsd_notifier_wait();
231 netdev_bsd_changed(struct netdev_bsd
*dev
)
234 if (!dev
->change_seq
) {
239 /* Invalidate cache in case of interface status change. */
241 netdev_bsd_cache_cb(const struct rtbsd_change
*change
,
242 void *aux OVS_UNUSED
)
244 struct netdev_bsd
*dev
;
247 struct netdev
*base_dev
= netdev_from_name(change
->if_name
);
250 const struct netdev_class
*netdev_class
=
251 netdev_get_class(base_dev
);
253 if (is_netdev_bsd_class(netdev_class
)) {
254 dev
= netdev_bsd_cast(base_dev
);
255 dev
->cache_valid
= 0;
256 netdev_bsd_changed(dev
);
261 * XXX the API is lacking, we should be able to iterate on the list of
262 * netdevs without having to store the info in a temp shash.
264 struct shash device_shash
;
265 struct shash_node
*node
;
267 shash_init(&device_shash
);
268 netdev_get_devices(&netdev_bsd_class
, &device_shash
);
269 SHASH_FOR_EACH (node
, &device_shash
) {
270 struct netdev
*netdev
= node
->data
;
271 dev
= netdev_bsd_cast(netdev
);
272 dev
->cache_valid
= 0;
273 netdev_bsd_changed(dev
);
275 shash_destroy(&device_shash
);
280 cache_notifier_ref(void)
284 if (!cache_notifier_refcount
) {
285 ret
= rtbsd_notifier_register(&netdev_bsd_cache_notifier
,
286 netdev_bsd_cache_cb
, NULL
);
291 cache_notifier_refcount
++;
296 cache_notifier_unref(void)
298 cache_notifier_refcount
--;
299 if (cache_notifier_refcount
== 0) {
300 rtbsd_notifier_unregister(&netdev_bsd_cache_notifier
);
305 /* Allocate a netdev_bsd structure */
307 netdev_bsd_create_system(const struct netdev_class
*class, const char *name
,
308 struct netdev
**netdevp
)
310 struct netdev_bsd
*netdev
;
311 enum netdev_flags flags
;
314 error
= cache_notifier_ref();
319 netdev
= xzalloc(sizeof *netdev
);
320 netdev
->change_seq
= 1;
321 netdev_init(&netdev
->up
, name
, class);
323 netdev
->kernel_name
= xstrdup(name
);
325 /* Verify that the netdev really exists by attempting to read its flags */
326 error
= netdev_get_flags(&netdev
->up
, &flags
);
327 if (error
== ENXIO
) {
328 free(netdev
->kernel_name
);
329 netdev_uninit(&netdev
->up
, false);
331 cache_notifier_unref();
335 *netdevp
= &netdev
->up
;
340 * Allocate a netdev_bsd structure with 'tap' class.
343 netdev_bsd_create_tap(const struct netdev_class
*class, const char *name
,
344 struct netdev
**netdevp
)
346 struct netdev_bsd
*netdev
= NULL
;
349 char *kernel_name
= NULL
;
351 error
= cache_notifier_ref();
356 /* allocate the device structure and set the internal flag */
357 netdev
= xzalloc(sizeof *netdev
);
359 memset(&ifr
, 0, sizeof(ifr
));
361 /* Create a tap device by opening /dev/tap. The TAPGIFNAME ioctl is used
362 * to retrieve the name of the tap device. */
363 netdev
->tap_fd
= open("/dev/tap", O_RDWR
);
364 netdev
->change_seq
= 1;
365 if (netdev
->tap_fd
< 0) {
367 VLOG_WARN("opening \"/dev/tap\" failed: %s", ovs_strerror(error
));
368 goto error_unref_notifier
;
371 /* Retrieve tap name (e.g. tap0) */
372 if (ioctl(netdev
->tap_fd
, TAPGIFNAME
, &ifr
) == -1) {
373 /* XXX Need to destroy the device? */
375 close(netdev
->tap_fd
);
376 goto error_unref_notifier
;
379 /* Change the name of the tap device */
380 #if defined(SIOCSIFNAME)
381 ifr
.ifr_data
= (void *)name
;
382 if (ioctl(af_inet_sock
, SIOCSIFNAME
, &ifr
) == -1) {
384 destroy_tap(netdev
->tap_fd
, ifr
.ifr_name
);
385 goto error_unref_notifier
;
387 kernel_name
= xstrdup(name
);
390 * NetBSD doesn't support inteface renaming.
392 VLOG_INFO("tap %s is created for bridge %s", ifr
.ifr_name
, name
);
393 kernel_name
= xstrdup(ifr
.ifr_name
);
396 /* set non-blocking. */
397 error
= set_nonblocking(netdev
->tap_fd
);
399 destroy_tap(netdev
->tap_fd
, kernel_name
);
400 goto error_unref_notifier
;
404 ifr_set_flags(&ifr
, IFF_UP
);
405 strncpy(ifr
.ifr_name
, kernel_name
, sizeof ifr
.ifr_name
);
406 if (ioctl(af_inet_sock
, SIOCSIFFLAGS
, &ifr
) == -1) {
408 destroy_tap(netdev
->tap_fd
, kernel_name
);
409 goto error_unref_notifier
;
412 /* initialize the device structure and
413 * link the structure to its netdev */
414 netdev_init(&netdev
->up
, name
, class);
415 netdev
->kernel_name
= kernel_name
;
416 *netdevp
= &netdev
->up
;
420 error_unref_notifier
:
421 cache_notifier_unref();
429 netdev_bsd_destroy(struct netdev
*netdev_
)
431 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
433 cache_notifier_unref();
435 if (netdev
->tap_fd
>= 0) {
436 destroy_tap(netdev
->tap_fd
, netdev_get_kernel_name(netdev_
));
439 pcap_close(netdev
->pcap
);
441 free(netdev
->kernel_name
);
446 netdev_bsd_open_pcap(const char *name
, pcap_t
**pcapp
, int *fdp
)
448 char errbuf
[PCAP_ERRBUF_SIZE
];
454 /* Open the pcap device. The device is opened in non-promiscuous mode
455 * because the interface flags are manually set by the caller. */
457 pcap
= pcap_open_live(name
, PCAP_SNAPLEN
, 0, 1000, errbuf
);
459 VLOG_ERR_RL(&rl
, "%s: pcap_open_live failed: %s", name
, errbuf
);
463 if (errbuf
[0] != '\0') {
464 VLOG_WARN_RL(&rl
, "%s: pcap_open_live: %s", name
, errbuf
);
467 /* Get the underlying fd. */
468 fd
= pcap_get_selectable_fd(pcap
);
470 VLOG_WARN_RL(&rl
, "%s: no selectable file descriptor", name
);
475 /* Set non-blocking mode. Also the BIOCIMMEDIATE ioctl must be called
476 * on the file descriptor returned by pcap_get_selectable_fd to achieve
477 * a real non-blocking behaviour.*/
478 error
= pcap_setnonblock(pcap
, 1, errbuf
);
484 /* This call assure that reads return immediately upon packet
485 * reception. Otherwise, a read will block until either the kernel
486 * buffer becomes full or a timeout occurs. */
487 if (ioctl(fd
, BIOCIMMEDIATE
, &one
) < 0 ) {
488 VLOG_ERR_RL(&rl
, "ioctl(BIOCIMMEDIATE) on %s device failed: %s",
489 name
, ovs_strerror(errno
));
494 /* Capture only incoming packets. */
495 error
= pcap_setdirection(pcap
, PCAP_D_IN
);
515 netdev_bsd_rx_open(struct netdev
*netdev_
, struct netdev_rx
**rxp
)
517 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
519 struct netdev_rx_bsd
*rx
;
523 if (!strcmp(netdev_get_type(netdev_
), "tap")) {
527 int error
= netdev_bsd_open_pcap(netdev_get_kernel_name(netdev_
),
533 netdev_bsd_changed(netdev
);
536 rx
= xmalloc(sizeof *rx
);
537 netdev_rx_init(&rx
->up
, netdev_
, &netdev_rx_bsd_class
);
538 rx
->pcap_handle
= pcap
;
546 netdev_rx_bsd_destroy(struct netdev_rx
*rx_
)
548 struct netdev_rx_bsd
*rx
= netdev_rx_bsd_cast(rx_
);
550 if (rx
->pcap_handle
) {
551 pcap_close(rx
->pcap_handle
);
556 /* The recv callback of the netdev class returns the number of bytes of the
559 * This can be done by the pcap_next() function. Unfortunately pcap_next() does
560 * not make difference between a missing packet on the capture interface and
561 * an error during the file capture. We can use the pcap_dispatch() function
562 * instead, which is able to distinguish between errors and null packet.
564 * To make pcap_dispatch() returns the number of bytes read from the interface
565 * we need to define the following callback and argument.
574 * This callback will be executed on every captured packet.
576 * If the packet captured by pcap_dispatch() does not fit the pcap buffer,
577 * pcap returns a truncated packet and we follow this behavior.
579 * The argument args->retval is the packet size in bytes.
582 proc_pkt(u_char
*args_
, const struct pcap_pkthdr
*hdr
, const u_char
*packet
)
584 struct pcap_arg
*args
= (struct pcap_arg
*)args_
;
586 if (args
->size
< hdr
->len
) {
587 VLOG_WARN_RL(&rl
, "packet truncated");
588 args
->retval
= args
->size
;
590 args
->retval
= hdr
->len
;
593 /* copy the packet to our buffer */
594 memcpy(args
->data
, packet
, args
->retval
);
598 * This function attempts to receive a packet from the specified network
599 * device. It is assumed that the network device is a system device or a tap
600 * device opened as a system one. In this case the read operation is performed
604 netdev_rx_bsd_recv_pcap(struct netdev_rx_bsd
*rx
, void *data
, size_t size
)
609 /* prepare the pcap argument to store the packet */
614 ret
= pcap_dispatch(rx
->pcap_handle
, 1, proc_pkt
, (u_char
*) &arg
);
617 return arg
.retval
; /* arg.retval < 0 is handled in the caller */
620 if (errno
== EINTR
) {
630 * This function attempts to receive a packet from the specified network
631 * device. It is assumed that the network device is a tap device and
632 * 'rx->fd' is initialized with the tap file descriptor.
635 netdev_rx_bsd_recv_tap(struct netdev_rx_bsd
*rx
, void *data
, size_t size
)
638 ssize_t retval
= read(rx
->fd
, data
, size
);
641 } else if (errno
!= EINTR
) {
642 if (errno
!= EAGAIN
) {
643 VLOG_WARN_RL(&rl
, "error receiving Ethernet packet on %s: %s",
644 ovs_strerror(errno
), netdev_rx_get_name(&rx
->up
));
653 netdev_rx_bsd_recv(struct netdev_rx
*rx_
, void *data
, size_t size
)
655 struct netdev_rx_bsd
*rx
= netdev_rx_bsd_cast(rx_
);
657 return (rx
->pcap_handle
658 ? netdev_rx_bsd_recv_pcap(rx
, data
, size
)
659 : netdev_rx_bsd_recv_tap(rx
, data
, size
));
663 * Registers with the poll loop to wake up from the next call to poll_block()
664 * when a packet is ready to be received with netdev_rx_recv() on 'rx'.
667 netdev_rx_bsd_wait(struct netdev_rx
*rx_
)
669 struct netdev_rx_bsd
*rx
= netdev_rx_bsd_cast(rx_
);
671 poll_fd_wait(rx
->fd
, POLLIN
);
674 /* Discards all packets waiting to be received from 'rx'. */
676 netdev_rx_bsd_drain(struct netdev_rx
*rx_
)
679 struct netdev_rx_bsd
*rx
= netdev_rx_bsd_cast(rx_
);
681 strcpy(ifr
.ifr_name
, netdev_get_kernel_name(netdev_rx_get_netdev(rx_
)));
682 if (ioctl(rx
->fd
, BIOCFLUSH
, &ifr
) == -1) {
683 VLOG_DBG_RL(&rl
, "%s: ioctl(BIOCFLUSH) failed: %s",
684 netdev_rx_get_name(rx_
), ovs_strerror(errno
));
691 * Send a packet on the specified network device. The device could be either a
692 * system or a tap device.
695 netdev_bsd_send(struct netdev
*netdev_
, const void *data
, size_t size
)
697 struct netdev_bsd
*dev
= netdev_bsd_cast(netdev_
);
698 const char *name
= netdev_get_name(netdev_
);
700 if (dev
->tap_fd
< 0 && !dev
->pcap
) {
701 int error
= netdev_bsd_open_pcap(name
, &dev
->pcap
, &dev
->fd
);
709 if (dev
->tap_fd
>= 0) {
710 retval
= write(dev
->tap_fd
, data
, size
);
712 retval
= pcap_inject(dev
->pcap
, data
, size
);
715 if (errno
== EINTR
) {
717 } else if (errno
!= EAGAIN
) {
718 VLOG_WARN_RL(&rl
, "error sending Ethernet packet on %s: %s",
719 name
, ovs_strerror(errno
));
722 } else if (retval
!= size
) {
723 VLOG_WARN_RL(&rl
, "sent partial Ethernet packet (%zd bytes of "
724 "%zu) on %s", retval
, size
, name
);
733 * Registers with the poll loop to wake up from the next call to poll_block()
734 * when the packet transmission queue has sufficient room to transmit a packet
735 * with netdev_send().
738 netdev_bsd_send_wait(struct netdev
*netdev_
)
740 struct netdev_bsd
*dev
= netdev_bsd_cast(netdev_
);
742 if (dev
->tap_fd
>= 0) {
743 /* TAP device always accepts packets. */
744 poll_immediate_wake();
745 } else if (dev
->pcap
) {
746 poll_fd_wait(dev
->fd
, POLLOUT
);
748 /* We haven't even tried to send a packet yet. */
749 poll_immediate_wake();
754 * Attempts to set 'netdev''s MAC address to 'mac'. Returns 0 if successful,
755 * otherwise a positive errno value.
758 netdev_bsd_set_etheraddr(struct netdev
*netdev_
,
759 const uint8_t mac
[ETH_ADDR_LEN
])
761 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
764 if (!(netdev
->cache_valid
& VALID_ETHERADDR
)
765 || !eth_addr_equals(netdev
->etheraddr
, mac
)) {
766 error
= set_etheraddr(netdev_get_kernel_name(netdev_
), AF_LINK
,
769 netdev
->cache_valid
|= VALID_ETHERADDR
;
770 memcpy(netdev
->etheraddr
, mac
, ETH_ADDR_LEN
);
771 netdev_bsd_changed(netdev
);
780 * Returns a pointer to 'netdev''s MAC address. The caller must not modify or
781 * free the returned buffer.
784 netdev_bsd_get_etheraddr(const struct netdev
*netdev_
,
785 uint8_t mac
[ETH_ADDR_LEN
])
787 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
789 if (!(netdev
->cache_valid
& VALID_ETHERADDR
)) {
790 int error
= get_etheraddr(netdev_get_kernel_name(netdev_
),
795 netdev
->cache_valid
|= VALID_ETHERADDR
;
797 memcpy(mac
, netdev
->etheraddr
, ETH_ADDR_LEN
);
803 * Returns the maximum size of transmitted (and received) packets on 'netdev',
804 * in bytes, not including the hardware header; thus, this is typically 1500
805 * bytes for Ethernet devices.
808 netdev_bsd_get_mtu(const struct netdev
*netdev_
, int *mtup
)
810 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
812 if (!(netdev
->cache_valid
& VALID_MTU
)) {
816 error
= netdev_bsd_do_ioctl(netdev_get_kernel_name(netdev_
), &ifr
,
817 SIOCGIFMTU
, "SIOCGIFMTU");
821 netdev
->mtu
= ifr
.ifr_mtu
;
822 netdev
->cache_valid
|= VALID_MTU
;
830 netdev_bsd_get_ifindex(const struct netdev
*netdev
)
834 error
= get_ifindex(netdev
, &ifindex
);
835 return error
? -error
: ifindex
;
839 netdev_bsd_get_carrier(const struct netdev
*netdev_
, bool *carrier
)
841 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
843 if (!(netdev
->cache_valid
& VALID_CARRIER
)) {
844 struct ifmediareq ifmr
;
846 memset(&ifmr
, 0, sizeof(ifmr
));
847 strncpy(ifmr
.ifm_name
, netdev_get_kernel_name(netdev_
),
848 sizeof ifmr
.ifm_name
);
850 if (ioctl(af_inet_sock
, SIOCGIFMEDIA
, &ifmr
) == -1) {
851 VLOG_DBG_RL(&rl
, "%s: ioctl(SIOCGIFMEDIA) failed: %s",
852 netdev_get_name(netdev_
), ovs_strerror(errno
));
856 netdev
->carrier
= (ifmr
.ifm_status
& IFM_ACTIVE
) == IFM_ACTIVE
;
857 netdev
->cache_valid
|= VALID_CARRIER
;
859 /* If the interface doesn't report whether the media is active,
860 * just assume it is active. */
861 if ((ifmr
.ifm_status
& IFM_AVALID
) == 0) {
862 netdev
->carrier
= true;
865 *carrier
= netdev
->carrier
;
871 convert_stats(struct netdev_stats
*stats
, const struct if_data
*ifd
)
874 * note: UINT64_MAX means unsupported
876 stats
->rx_packets
= ifd
->ifi_ipackets
;
877 stats
->tx_packets
= ifd
->ifi_opackets
;
878 stats
->rx_bytes
= ifd
->ifi_obytes
;
879 stats
->tx_bytes
= ifd
->ifi_ibytes
;
880 stats
->rx_errors
= ifd
->ifi_ierrors
;
881 stats
->tx_errors
= ifd
->ifi_oerrors
;
882 stats
->rx_dropped
= ifd
->ifi_iqdrops
;
883 stats
->tx_dropped
= UINT64_MAX
;
884 stats
->multicast
= ifd
->ifi_imcasts
;
885 stats
->collisions
= ifd
->ifi_collisions
;
886 stats
->rx_length_errors
= UINT64_MAX
;
887 stats
->rx_over_errors
= UINT64_MAX
;
888 stats
->rx_crc_errors
= UINT64_MAX
;
889 stats
->rx_frame_errors
= UINT64_MAX
;
890 stats
->rx_fifo_errors
= UINT64_MAX
;
891 stats
->rx_missed_errors
= UINT64_MAX
;
892 stats
->tx_aborted_errors
= UINT64_MAX
;
893 stats
->tx_carrier_errors
= UINT64_MAX
;
894 stats
->tx_fifo_errors
= UINT64_MAX
;
895 stats
->tx_heartbeat_errors
= UINT64_MAX
;
896 stats
->tx_window_errors
= UINT64_MAX
;
899 /* Retrieves current device stats for 'netdev'. */
901 netdev_bsd_get_stats(const struct netdev
*netdev_
, struct netdev_stats
*stats
)
903 #if defined(__FreeBSD__)
907 struct ifmibdata ifmd
;
912 mib
[2] = NETLINK_GENERIC
;
913 mib
[3] = IFMIB_SYSTEM
;
914 mib
[4] = IFMIB_IFCOUNT
;
916 len
= sizeof(if_count
);
918 if (sysctl(mib
, 5, &if_count
, &len
, (void *)0, 0) == -1) {
919 VLOG_DBG_RL(&rl
, "%s: sysctl failed: %s",
920 netdev_get_name(netdev_
), ovs_strerror(errno
));
924 mib
[5] = IFDATA_GENERAL
;
925 mib
[3] = IFMIB_IFDATA
;
927 for (i
= 1; i
<= if_count
; i
++) {
929 if (sysctl(mib
, 6, &ifmd
, &len
, (void *)0, 0) == -1) {
930 VLOG_DBG_RL(&rl
, "%s: sysctl failed: %s",
931 netdev_get_name(netdev_
), ovs_strerror(errno
));
933 } else if (!strcmp(ifmd
.ifmd_name
, netdev_get_name(netdev_
))) {
934 convert_stats(stats
, &ifmd
.ifmd_data
);
940 #elif defined(__NetBSD__)
941 struct ifdatareq ifdr
;
945 memset(&ifdr
, 0, sizeof(ifdr
));
946 strncpy(ifdr
.ifdr_name
, netdev_get_kernel_name(netdev_
),
947 sizeof(ifdr
.ifdr_name
));
948 ret
= ioctl(af_link_sock
, SIOCGIFDATA
, &ifdr
);
953 convert_stats(stats
, &ifdr
.ifdr_data
);
956 #error not implemented
961 netdev_bsd_parse_media(int media
)
963 uint32_t supported
= 0;
964 bool half_duplex
= media
& IFM_HDX
? true : false;
966 switch (IFM_SUBTYPE(media
)) {
971 supported
|= half_duplex
? NETDEV_F_10MB_HD
: NETDEV_F_10MB_FD
;
972 supported
|= NETDEV_F_COPPER
;
976 supported
|= half_duplex
? NETDEV_F_10MB_HD
: NETDEV_F_10MB_FD
;
977 supported
|= NETDEV_F_FIBER
;
984 supported
|= half_duplex
? NETDEV_F_100MB_HD
: NETDEV_F_100MB_FD
;
985 supported
|= NETDEV_F_COPPER
;
989 supported
|= half_duplex
? NETDEV_F_100MB_HD
: NETDEV_F_100MB_FD
;
990 supported
|= NETDEV_F_FIBER
;
995 supported
|= half_duplex
? NETDEV_F_1GB_HD
: NETDEV_F_1GB_FD
;
996 supported
|= NETDEV_F_COPPER
;
1001 supported
|= half_duplex
? NETDEV_F_1GB_HD
: NETDEV_F_1GB_FD
;
1002 supported
|= NETDEV_F_FIBER
;
1006 supported
|= NETDEV_F_10GB_FD
;
1007 supported
|= NETDEV_F_COPPER
;
1012 supported
|= NETDEV_F_10GB_FD
;
1013 supported
|= NETDEV_F_FIBER
;
1020 if (IFM_SUBTYPE(media
) == IFM_AUTO
) {
1021 supported
|= NETDEV_F_AUTONEG
;
1024 if (media & IFM_ETH_FMASK) {
1025 supported |= NETDEV_F_PAUSE;
1033 * Stores the features supported by 'netdev' into each of '*current',
1034 * '*advertised', '*supported', and '*peer' that are non-null. Each value is a
1035 * bitmap of "enum ofp_port_features" bits, in host byte order. Returns 0 if
1036 * successful, otherwise a positive errno value. On failure, all of the
1037 * passed-in values are set to 0.
1040 netdev_bsd_get_features(const struct netdev
*netdev
,
1041 enum netdev_features
*current
, uint32_t *advertised
,
1042 enum netdev_features
*supported
, uint32_t *peer
)
1044 struct ifmediareq ifmr
;
1050 /* XXX Look into SIOCGIFCAP instead of SIOCGIFMEDIA */
1052 memset(&ifmr
, 0, sizeof(ifmr
));
1053 strncpy(ifmr
.ifm_name
, netdev_get_name(netdev
), sizeof ifmr
.ifm_name
);
1055 /* We make two SIOCGIFMEDIA ioctl calls. The first to determine the
1056 * number of supported modes, and a second with a buffer to retrieve
1058 if (ioctl(af_inet_sock
, SIOCGIFMEDIA
, &ifmr
) == -1) {
1059 VLOG_DBG_RL(&rl
, "%s: ioctl(SIOCGIFMEDIA) failed: %s",
1060 netdev_get_name(netdev
), ovs_strerror(errno
));
1064 media_list
= xcalloc(ifmr
.ifm_count
, sizeof(int));
1065 ifmr
.ifm_ulist
= media_list
;
1067 if (IFM_TYPE(ifmr
.ifm_current
) != IFM_ETHER
) {
1068 VLOG_DBG_RL(&rl
, "%s: doesn't appear to be ethernet",
1069 netdev_get_name(netdev
));
1074 if (ioctl(af_inet_sock
, SIOCGIFMEDIA
, &ifmr
) == -1) {
1075 VLOG_DBG_RL(&rl
, "%s: ioctl(SIOCGIFMEDIA) failed: %s",
1076 netdev_get_name(netdev
), ovs_strerror(errno
));
1081 /* Current settings. */
1082 *current
= netdev_bsd_parse_media(ifmr
.ifm_active
);
1084 /* Advertised features. */
1085 *advertised
= netdev_bsd_parse_media(ifmr
.ifm_current
);
1087 /* Supported features. */
1089 for (i
= 0; i
< ifmr
.ifm_count
; i
++) {
1090 *supported
|= netdev_bsd_parse_media(ifmr
.ifm_ulist
[i
]);
1093 /* Peer advertisements. */
1094 *peer
= 0; /* XXX */
1103 * If 'netdev' has an assigned IPv4 address, sets '*in4' to that address and
1104 * '*netmask' to its netmask and returns true. Otherwise, returns false.
1107 netdev_bsd_get_in4(const struct netdev
*netdev_
, struct in_addr
*in4
,
1108 struct in_addr
*netmask
)
1110 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
1112 if (!(netdev
->cache_valid
& VALID_IN4
)) {
1113 const struct sockaddr_in
*sin
;
1117 ifr
.ifr_addr
.sa_family
= AF_INET
;
1118 error
= netdev_bsd_do_ioctl(netdev_get_kernel_name(netdev_
), &ifr
,
1119 SIOCGIFADDR
, "SIOCGIFADDR");
1124 sin
= (struct sockaddr_in
*) &ifr
.ifr_addr
;
1125 netdev
->in4
= sin
->sin_addr
;
1126 error
= netdev_bsd_do_ioctl(netdev_get_kernel_name(netdev_
), &ifr
,
1127 SIOCGIFNETMASK
, "SIOCGIFNETMASK");
1131 netdev
->netmask
= sin
->sin_addr
;
1132 netdev
->cache_valid
|= VALID_IN4
;
1135 *netmask
= netdev
->netmask
;
1137 return in4
->s_addr
== INADDR_ANY
? EADDRNOTAVAIL
: 0;
1141 * Assigns 'addr' as 'netdev''s IPv4 address and 'mask' as its netmask. If
1142 * 'addr' is INADDR_ANY, 'netdev''s IPv4 address is cleared. Returns a
1143 * positive errno value.
1146 netdev_bsd_set_in4(struct netdev
*netdev_
, struct in_addr addr
,
1147 struct in_addr mask
)
1149 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
1152 error
= do_set_addr(netdev_
, SIOCSIFADDR
, "SIOCSIFADDR", addr
);
1154 if (addr
.s_addr
!= INADDR_ANY
) {
1155 error
= do_set_addr(netdev_
, SIOCSIFNETMASK
,
1156 "SIOCSIFNETMASK", mask
);
1158 netdev
->cache_valid
|= VALID_IN4
;
1160 netdev
->netmask
= mask
;
1163 netdev_bsd_changed(netdev
);
1169 netdev_bsd_get_in6(const struct netdev
*netdev_
, struct in6_addr
*in6
)
1171 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
1172 if (!(netdev
->cache_valid
& VALID_IN6
)) {
1173 struct ifaddrs
*ifa
, *head
;
1174 struct sockaddr_in6
*sin6
;
1175 const char *netdev_name
= netdev_get_name(netdev_
);
1177 if (getifaddrs(&head
) != 0) {
1178 VLOG_ERR("getifaddrs on %s device failed: %s", netdev_name
,
1179 ovs_strerror(errno
));
1183 for (ifa
= head
; ifa
; ifa
= ifa
->ifa_next
) {
1184 if (ifa
->ifa_addr
->sa_family
== AF_INET6
&&
1185 !strcmp(ifa
->ifa_name
, netdev_name
)) {
1186 sin6
= (struct sockaddr_in6
*)ifa
->ifa_addr
;
1188 memcpy(&netdev
->in6
, &sin6
->sin6_addr
, sin6
->sin6_len
);
1189 netdev
->cache_valid
|= VALID_IN6
;
1196 return EADDRNOTAVAIL
;
1202 #if defined(__NetBSD__)
1203 static struct netdev
*
1204 find_netdev_by_kernel_name(const char *kernel_name
)
1206 struct shash device_shash
;
1207 struct shash_node
*node
;
1209 shash_init(&device_shash
);
1210 netdev_get_devices(&netdev_tap_class
, &device_shash
);
1211 SHASH_FOR_EACH(node
, &device_shash
) {
1212 struct netdev
*netdev
= node
->data
;
1213 struct netdev_bsd
* const dev
= netdev_bsd_cast(netdev
);
1215 if (!strcmp(dev
->kernel_name
, kernel_name
)) {
1216 shash_destroy(&device_shash
);
1220 shash_destroy(&device_shash
);
1225 netdev_bsd_convert_kernel_name_to_ovs_name(const char *kernel_name
)
1227 const struct netdev
* const netdev
=
1228 find_netdev_by_kernel_name(kernel_name
);
1230 if (netdev
== NULL
) {
1233 return netdev_get_name(netdev
);
1238 netdev_bsd_get_next_hop(const struct in_addr
*host OVS_UNUSED
,
1239 struct in_addr
*next_hop OVS_UNUSED
,
1240 char **netdev_name OVS_UNUSED
)
1242 #if defined(__NetBSD__)
1244 struct sockaddr_in sin
;
1245 struct sockaddr_dl sdl
;
1252 struct rt_msghdr
*rtm
= &buf
.h
;
1253 const pid_t pid
= getpid();
1256 bool gateway
= false;
1257 char *ifname
= NULL
;
1260 memset(next_hop
, 0, sizeof(*next_hop
));
1261 *netdev_name
= NULL
;
1263 memset(&sin
, 0, sizeof(sin
));
1264 sin
.sin_len
= sizeof(sin
);
1265 sin
.sin_family
= AF_INET
;
1267 sin
.sin_addr
= *host
;
1269 memset(&sdl
, 0, sizeof(sdl
));
1270 sdl
.sdl_len
= sizeof(sdl
);
1271 sdl
.sdl_family
= AF_LINK
;
1273 s
= socket(PF_ROUTE
, SOCK_RAW
, 0);
1274 memset(&buf
, 0, sizeof(buf
));
1275 rtm
->rtm_flags
= RTF_HOST
|RTF_UP
;
1276 rtm
->rtm_version
= RTM_VERSION
;
1277 rtm
->rtm_addrs
= RTA_DST
|RTA_IFP
;
1278 cp
= (void *)&buf
.space
;
1279 memcpy(cp
, &sin
, sizeof(sin
));
1280 RT_ADVANCE(cp
, (struct sockaddr
*)(void *)&sin
);
1281 memcpy(cp
, &sdl
, sizeof(sdl
));
1282 RT_ADVANCE(cp
, (struct sockaddr
*)(void *)&sdl
);
1283 rtm
->rtm_msglen
= cp
- (char *)(void *)rtm
;
1284 rtm
->rtm_seq
= ++seq
;
1285 rtm
->rtm_type
= RTM_GET
;
1287 write(s
, rtm
, rtm
->rtm_msglen
);
1288 memset(&buf
, 0, sizeof(buf
));
1290 ssz
= read(s
, &buf
, sizeof(buf
));
1291 } while (ssz
> 0 && (rtm
->rtm_seq
!= seq
|| rtm
->rtm_pid
!= pid
));
1292 saved_errno
= errno
;
1298 return EPIPE
; /* XXX */
1300 cp
= (void *)&buf
.space
;
1301 for (i
= 1; i
; i
<<= 1) {
1302 if ((rtm
->rtm_addrs
& i
) != 0) {
1303 const struct sockaddr
*sa
= (const void *)cp
;
1305 if ((i
== RTA_GATEWAY
) && sa
->sa_family
== AF_INET
) {
1306 const struct sockaddr_in
* const sin
=
1307 (const struct sockaddr_in
*)sa
;
1309 *next_hop
= sin
->sin_addr
;
1312 if ((i
== RTA_IFP
) && sa
->sa_family
== AF_LINK
) {
1313 const struct sockaddr_dl
* const sdl
=
1314 (const struct sockaddr_dl
*)sa
;
1315 const size_t nlen
= sdl
->sdl_nlen
;
1316 char * const kernel_name
= xmalloc(nlen
+ 1);
1319 memcpy(kernel_name
, sdl
->sdl_data
, nlen
);
1320 kernel_name
[nlen
] = 0;
1321 name
= netdev_bsd_convert_kernel_name_to_ovs_name(kernel_name
);
1323 ifname
= xstrdup(kernel_name
);
1325 ifname
= xstrdup(name
);
1332 if (ifname
== NULL
) {
1338 *netdev_name
= ifname
;
1339 VLOG_DBG("host " IP_FMT
" next-hop " IP_FMT
" if %s",
1340 IP_ARGS(host
->s_addr
), IP_ARGS(next_hop
->s_addr
), *netdev_name
);
1348 make_in4_sockaddr(struct sockaddr
*sa
, struct in_addr addr
)
1350 struct sockaddr_in sin
;
1351 memset(&sin
, 0, sizeof sin
);
1352 sin
.sin_family
= AF_INET
;
1353 sin
.sin_addr
= addr
;
1356 memset(sa
, 0, sizeof *sa
);
1357 memcpy(sa
, &sin
, sizeof sin
);
1361 do_set_addr(struct netdev
*netdev
,
1362 int ioctl_nr
, const char *ioctl_name
, struct in_addr addr
)
1365 make_in4_sockaddr(&ifr
.ifr_addr
, addr
);
1366 return netdev_bsd_do_ioctl(netdev_get_kernel_name(netdev
), &ifr
, ioctl_nr
,
1371 nd_to_iff_flags(enum netdev_flags nd
)
1374 if (nd
& NETDEV_UP
) {
1377 if (nd
& NETDEV_PROMISC
) {
1379 #if defined(IFF_PPROMISC)
1380 iff
|= IFF_PPROMISC
;
1387 iff_to_nd_flags(int iff
)
1389 enum netdev_flags nd
= 0;
1393 if (iff
& IFF_PROMISC
) {
1394 nd
|= NETDEV_PROMISC
;
1400 netdev_bsd_update_flags(struct netdev
*netdev_
, enum netdev_flags off
,
1401 enum netdev_flags on
, enum netdev_flags
*old_flagsp
)
1403 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
1404 int old_flags
, new_flags
;
1407 error
= get_flags(netdev_
, &old_flags
);
1409 *old_flagsp
= iff_to_nd_flags(old_flags
);
1410 new_flags
= (old_flags
& ~nd_to_iff_flags(off
)) | nd_to_iff_flags(on
);
1411 if (new_flags
!= old_flags
) {
1412 error
= set_flags(netdev_get_kernel_name(netdev_
), new_flags
);
1413 netdev_bsd_changed(netdev
);
1420 netdev_bsd_change_seq(const struct netdev
*netdev
)
1422 return netdev_bsd_cast(netdev
)->change_seq
;
1426 const struct netdev_class netdev_bsd_class
= {
1432 netdev_bsd_create_system
,
1434 NULL
, /* get_config */
1435 NULL
, /* set_config */
1436 NULL
, /* get_tunnel_config */
1441 netdev_bsd_send_wait
,
1443 netdev_bsd_set_etheraddr
,
1444 netdev_bsd_get_etheraddr
,
1447 netdev_bsd_get_ifindex
,
1448 netdev_bsd_get_carrier
,
1449 NULL
, /* get_carrier_resets */
1450 NULL
, /* set_miimon_interval */
1451 netdev_bsd_get_stats
,
1452 NULL
, /* set_stats */
1454 netdev_bsd_get_features
,
1455 NULL
, /* set_advertisement */
1456 NULL
, /* set_policing */
1457 NULL
, /* get_qos_type */
1458 NULL
, /* get_qos_capabilities */
1461 NULL
, /* get_queue */
1462 NULL
, /* set_queue */
1463 NULL
, /* delete_queue */
1464 NULL
, /* get_queue_stats */
1465 NULL
, /* dump_queue */
1466 NULL
, /* dump_queue_stats */
1471 NULL
, /* add_router */
1472 netdev_bsd_get_next_hop
,
1473 NULL
, /* get_status */
1474 NULL
, /* arp_lookup */
1476 netdev_bsd_update_flags
,
1478 netdev_bsd_change_seq
1481 const struct netdev_class netdev_tap_class
= {
1487 netdev_bsd_create_tap
,
1489 NULL
, /* get_config */
1490 NULL
, /* set_config */
1491 NULL
, /* get_tunnel_config */
1496 netdev_bsd_send_wait
,
1498 netdev_bsd_set_etheraddr
,
1499 netdev_bsd_get_etheraddr
,
1502 netdev_bsd_get_ifindex
,
1503 netdev_bsd_get_carrier
,
1504 NULL
, /* get_carrier_resets */
1505 NULL
, /* set_miimon_interval */
1506 netdev_bsd_get_stats
,
1507 NULL
, /* set_stats */
1509 netdev_bsd_get_features
,
1510 NULL
, /* set_advertisement */
1511 NULL
, /* set_policing */
1512 NULL
, /* get_qos_type */
1513 NULL
, /* get_qos_capabilities */
1516 NULL
, /* get_queue */
1517 NULL
, /* set_queue */
1518 NULL
, /* delete_queue */
1519 NULL
, /* get_queue_stats */
1520 NULL
, /* dump_queue */
1521 NULL
, /* dump_queue_stats */
1526 NULL
, /* add_router */
1527 netdev_bsd_get_next_hop
,
1528 NULL
, /* get_status */
1529 NULL
, /* arp_lookup */
1531 netdev_bsd_update_flags
,
1533 netdev_bsd_change_seq
1536 static const struct netdev_rx_class netdev_rx_bsd_class
= {
1537 netdev_rx_bsd_destroy
,
1540 netdev_rx_bsd_drain
,
1545 destroy_tap(int fd
, const char *name
)
1550 strcpy(ifr
.ifr_name
, name
);
1551 /* XXX What to do if this call fails? */
1552 ioctl(af_inet_sock
, SIOCIFDESTROY
, &ifr
);
1556 get_flags(const struct netdev
*netdev
, int *flags
)
1561 error
= netdev_bsd_do_ioctl(netdev_get_kernel_name(netdev
), &ifr
,
1562 SIOCGIFFLAGS
, "SIOCGIFFLAGS");
1564 *flags
= ifr_get_flags(&ifr
);
1570 set_flags(const char *name
, int flags
)
1574 ifr_set_flags(&ifr
, flags
);
1576 return netdev_bsd_do_ioctl(name
, &ifr
, SIOCSIFFLAGS
, "SIOCSIFFLAGS");
1580 get_ifindex(const struct netdev
*netdev_
, int *ifindexp
)
1582 struct netdev_bsd
*netdev
= netdev_bsd_cast(netdev_
);
1584 if (!(netdev
->cache_valid
& VALID_IFINDEX
)) {
1585 int ifindex
= if_nametoindex(netdev_get_name(netdev_
));
1589 netdev
->cache_valid
|= VALID_IFINDEX
;
1590 netdev
->ifindex
= ifindex
;
1592 *ifindexp
= netdev
->ifindex
;
1597 get_etheraddr(const char *netdev_name
, uint8_t ea
[ETH_ADDR_LEN
])
1599 struct ifaddrs
*head
;
1600 struct ifaddrs
*ifa
;
1601 struct sockaddr_dl
*sdl
;
1603 if (getifaddrs(&head
) != 0) {
1604 VLOG_ERR("getifaddrs on %s device failed: %s", netdev_name
,
1605 ovs_strerror(errno
));
1609 for (ifa
= head
; ifa
; ifa
= ifa
->ifa_next
) {
1610 if (ifa
->ifa_addr
->sa_family
== AF_LINK
) {
1611 if (!strcmp(ifa
->ifa_name
, netdev_name
)) {
1612 sdl
= (struct sockaddr_dl
*)ifa
->ifa_addr
;
1614 memcpy(ea
, LLADDR(sdl
), sdl
->sdl_alen
);
1622 VLOG_ERR("could not find ethernet address for %s device", netdev_name
);
1628 set_etheraddr(const char *netdev_name OVS_UNUSED
, int hwaddr_family OVS_UNUSED
,
1629 int hwaddr_len OVS_UNUSED
,
1630 const uint8_t mac
[ETH_ADDR_LEN
] OVS_UNUSED
)
1632 #if defined(__FreeBSD__)
1635 memset(&ifr
, 0, sizeof ifr
);
1636 strncpy(ifr
.ifr_name
, netdev_name
, sizeof ifr
.ifr_name
);
1637 ifr
.ifr_addr
.sa_family
= hwaddr_family
;
1638 ifr
.ifr_addr
.sa_len
= hwaddr_len
;
1639 memcpy(ifr
.ifr_addr
.sa_data
, mac
, hwaddr_len
);
1640 if (ioctl(af_inet_sock
, SIOCSIFLLADDR
, &ifr
) < 0) {
1641 VLOG_ERR("ioctl(SIOCSIFLLADDR) on %s device failed: %s",
1642 netdev_name
, ovs_strerror(errno
));
1646 #elif defined(__NetBSD__)
1647 struct if_laddrreq req
;
1648 struct sockaddr_dl
*sdl
;
1649 struct sockaddr_storage oldaddr
;
1653 * get the old address, add new one, and then remove old one.
1656 if (hwaddr_len
!= ETH_ADDR_LEN
) {
1657 /* just to be safe about sockaddr storage size */
1660 memset(&req
, 0, sizeof(req
));
1661 strncpy(req
.iflr_name
, netdev_name
, sizeof(req
.iflr_name
));
1662 req
.addr
.ss_len
= sizeof(req
.addr
);
1663 req
.addr
.ss_family
= hwaddr_family
;
1664 sdl
= (struct sockaddr_dl
*)&req
.addr
;
1665 sdl
->sdl_alen
= hwaddr_len
;
1666 ret
= ioctl(af_link_sock
, SIOCGLIFADDR
, &req
);
1670 if (!memcmp(&sdl
->sdl_data
[sdl
->sdl_nlen
], mac
, hwaddr_len
)) {
1675 memset(&req
, 0, sizeof(req
));
1676 strncpy(req
.iflr_name
, netdev_name
, sizeof(req
.iflr_name
));
1677 req
.flags
= IFLR_ACTIVE
;
1678 sdl
= (struct sockaddr_dl
*)&req
.addr
;
1679 sdl
->sdl_len
= offsetof(struct sockaddr_dl
, sdl_data
) + hwaddr_len
;
1680 sdl
->sdl_alen
= hwaddr_len
;
1681 sdl
->sdl_family
= hwaddr_family
;
1682 memcpy(sdl
->sdl_data
, mac
, hwaddr_len
);
1683 ret
= ioctl(af_link_sock
, SIOCALIFADDR
, &req
);
1688 memset(&req
, 0, sizeof(req
));
1689 strncpy(req
.iflr_name
, netdev_name
, sizeof(req
.iflr_name
));
1691 ret
= ioctl(af_link_sock
, SIOCDLIFADDR
, &req
);
1697 #error not implemented
1702 netdev_bsd_do_ioctl(const char *name
, struct ifreq
*ifr
, unsigned long cmd
,
1703 const char *cmd_name
)
1705 strncpy(ifr
->ifr_name
, name
, sizeof ifr
->ifr_name
);
1706 if (ioctl(af_inet_sock
, cmd
, ifr
) == -1) {
1707 VLOG_DBG_RL(&rl
, "%s: ioctl(%s) failed: %s", name
, cmd_name
,
1708 ovs_strerror(errno
));
1715 ifr_get_flags(const struct ifreq
*ifr
)
1717 #ifdef HAVE_STRUCT_IFREQ_IFR_FLAGSHIGH
1718 return (ifr
->ifr_flagshigh
<< 16) | ifr
->ifr_flags
;
1720 return ifr
->ifr_flags
;
1725 ifr_set_flags(struct ifreq
*ifr
, int flags
)
1727 ifr
->ifr_flags
= flags
;
1728 #ifdef HAVE_STRUCT_IFREQ_IFR_FLAGSHIGH
1729 ifr
->ifr_flagshigh
= flags
>> 16;