/*
* Copyright (c) 2011 Gaetano Catalli.
+ * Copyright (c) 2013 YAMAMOTO Takashi.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <net/if_media.h>
#include <net/if_tap.h>
#include <netinet/in.h>
+#ifdef HAVE_NET_IF_MIB_H
#include <net/if_mib.h>
+#endif
#include <poll.h>
#include <string.h>
#include <unistd.h>
#include <sys/sysctl.h>
+#if defined(__NetBSD__)
+#include <net/route.h>
+#endif
#include "rtbsd.h"
#include "coverage.h"
/* Used for sending packets on non-tap devices. */
pcap_t *pcap;
int fd;
+
+ char *kernel_name;
};
/* An AF_INET socket (used for ioctl operations). */
static int af_inet_sock = -1;
+#if defined(__NetBSD__)
+/* AF_LINK socket used for netdev_bsd_get_stats and set_etheraddr */
+static int af_link_sock = -1;
+#endif /* defined(__NetBSD__) */
+
#define PCAP_SNAPLEN 2048
int hwaddr_len, const uint8_t[ETH_ADDR_LEN]);
static int get_ifindex(const struct netdev *, int *ifindexp);
+static int ifr_get_flags(const struct ifreq *);
+static void ifr_set_flags(struct ifreq *, int flags);
+
static int netdev_bsd_init(void);
static bool
return CONTAINER_OF(rx, struct netdev_rx_bsd, up);
}
+static const char *
+netdev_get_kernel_name(const struct netdev *netdev)
+{
+ return netdev_bsd_cast(netdev)->kernel_name;
+}
+
/* Initialize the AF_INET socket used for ioctl operations */
static int
netdev_bsd_init(void)
af_inet_sock = socket(AF_INET, SOCK_DGRAM, 0);
status = af_inet_sock >= 0 ? 0 : errno;
+ if (status) {
+ VLOG_ERR("failed to create inet socket: %s", ovs_strerror(status));
+ return status;
+ }
+#if defined(__NetBSD__)
+ af_link_sock = socket(AF_LINK, SOCK_DGRAM, 0);
+ status = af_link_sock >= 0 ? 0 : errno;
if (status) {
- VLOG_ERR("failed to create inet socket: %s", strerror(status));
+ VLOG_ERR("failed to create link socket: %s", Ovs_strerror(status));
+ close(af_inet_sock);
+ af_inet_sock = -1;
}
+#endif /* defined(__NetBSD__) */
return status;
}
netdev->change_seq = 1;
netdev_init(&netdev->up, name, class);
netdev->tap_fd = -1;
+ netdev->kernel_name = xstrdup(name);
/* Verify that the netdev really exists by attempting to read its flags */
error = netdev_get_flags(&netdev->up, &flags);
struct netdev_bsd *netdev = NULL;
int error = 0;
struct ifreq ifr;
+ char *kernel_name = NULL;
error = cache_notifier_ref();
if (error) {
netdev->change_seq = 1;
if (netdev->tap_fd < 0) {
error = errno;
- VLOG_WARN("opening \"/dev/tap\" failed: %s", strerror(error));
+ VLOG_WARN("opening \"/dev/tap\" failed: %s", ovs_strerror(error));
goto error_undef_notifier;
}
}
/* Change the name of the tap device */
+#if defined(SIOCSIFNAME)
ifr.ifr_data = (void *)name;
if (ioctl(af_inet_sock, SIOCSIFNAME, &ifr) == -1) {
error = errno;
destroy_tap(netdev->tap_fd, ifr.ifr_name);
goto error_undef_notifier;
}
+ kernel_name = xstrdup(name);
+#else
+ /*
+ * NetBSD doesn't support inteface renaming.
+ */
+ VLOG_INFO("tap %s is created for bridge %s", ifr.ifr_name, name);
+ kernel_name = xstrdup(ifr.ifr_name);
+#endif
/* set non-blocking. */
error = set_nonblocking(netdev->tap_fd);
if (error) {
- destroy_tap(netdev->tap_fd, name);
+ destroy_tap(netdev->tap_fd, kernel_name);
goto error_undef_notifier;
}
/* Turn device UP */
- ifr.ifr_flags = (uint16_t)IFF_UP;
- ifr.ifr_flagshigh = 0;
- strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
+ ifr_set_flags(&ifr, IFF_UP);
+ strncpy(ifr.ifr_name, kernel_name, sizeof ifr.ifr_name);
if (ioctl(af_inet_sock, SIOCSIFFLAGS, &ifr) == -1) {
error = errno;
- destroy_tap(netdev->tap_fd, name);
+ destroy_tap(netdev->tap_fd, kernel_name);
goto error_undef_notifier;
}
/* initialize the device structure and
* link the structure to its netdev */
netdev_init(&netdev->up, name, class);
+ netdev->kernel_name = kernel_name;
*netdevp = &netdev->up;
return 0;
cache_notifier_unref();
error:
free(netdev);
+ free(kernel_name);
return error;
}
cache_notifier_unref();
if (netdev->tap_fd >= 0) {
- destroy_tap(netdev->tap_fd, netdev_get_name(netdev_));
+ destroy_tap(netdev->tap_fd, netdev_get_kernel_name(netdev_));
}
if (netdev->pcap) {
pcap_close(netdev->pcap);
}
+ free(netdev->kernel_name);
free(netdev);
}
* buffer becomes full or a timeout occurs. */
if (ioctl(fd, BIOCIMMEDIATE, &one) < 0 ) {
VLOG_ERR_RL(&rl, "ioctl(BIOCIMMEDIATE) on %s device failed: %s",
- name, strerror(errno));
+ name, ovs_strerror(errno));
error = errno;
goto error;
}
pcap = NULL;
fd = netdev->tap_fd;
} else {
- int error = netdev_bsd_open_pcap(netdev_get_name(netdev_), &pcap, &fd);
+ int error = netdev_bsd_open_pcap(netdev_get_kernel_name(netdev_),
+ &pcap, &fd);
if (error) {
return error;
}
} else if (errno != EINTR) {
if (errno != EAGAIN) {
VLOG_WARN_RL(&rl, "error receiving Ethernet packet on %s: %s",
- strerror(errno), netdev_rx_get_name(&rx->up));
+ ovs_strerror(errno), netdev_rx_get_name(&rx->up));
}
return -errno;
}
struct ifreq ifr;
struct netdev_rx_bsd *rx = netdev_rx_bsd_cast(rx_);
- strcpy(ifr.ifr_name, netdev_rx_get_name(rx_));
+ strcpy(ifr.ifr_name, netdev_get_kernel_name(netdev_rx_get_netdev(rx_)));
if (ioctl(rx->fd, BIOCFLUSH, &ifr) == -1) {
VLOG_DBG_RL(&rl, "%s: ioctl(BIOCFLUSH) failed: %s",
- netdev_rx_get_name(rx_), strerror(errno));
+ netdev_rx_get_name(rx_), ovs_strerror(errno));
return errno;
}
return 0;
continue;
} else if (errno != EAGAIN) {
VLOG_WARN_RL(&rl, "error sending Ethernet packet on %s: %s",
- name, strerror(errno));
+ name, ovs_strerror(errno));
}
return errno;
} else if (retval != size) {
if (!(netdev->cache_valid & VALID_ETHERADDR)
|| !eth_addr_equals(netdev->etheraddr, mac)) {
- error = set_etheraddr(netdev_get_name(netdev_), AF_LINK, ETH_ADDR_LEN,
- mac);
+ error = set_etheraddr(netdev_get_kernel_name(netdev_), AF_LINK,
+ ETH_ADDR_LEN, mac);
if (!error) {
netdev->cache_valid |= VALID_ETHERADDR;
memcpy(netdev->etheraddr, mac, ETH_ADDR_LEN);
struct netdev_bsd *netdev = netdev_bsd_cast(netdev_);
if (!(netdev->cache_valid & VALID_ETHERADDR)) {
- int error = get_etheraddr(netdev_get_name(netdev_),
+ int error = get_etheraddr(netdev_get_kernel_name(netdev_),
netdev->etheraddr);
if (error) {
return error;
struct ifreq ifr;
int error;
- error = netdev_bsd_do_ioctl(netdev_get_name(netdev_), &ifr, SIOCGIFMTU,
- "SIOCGIFMTU");
+ error = netdev_bsd_do_ioctl(netdev_get_kernel_name(netdev_), &ifr,
+ SIOCGIFMTU, "SIOCGIFMTU");
if (error) {
return error;
}
struct ifmediareq ifmr;
memset(&ifmr, 0, sizeof(ifmr));
- strncpy(ifmr.ifm_name, netdev_get_name(netdev_), sizeof ifmr.ifm_name);
+ strncpy(ifmr.ifm_name, netdev_get_kernel_name(netdev_),
+ sizeof ifmr.ifm_name);
if (ioctl(af_inet_sock, SIOCGIFMEDIA, &ifmr) == -1) {
VLOG_DBG_RL(&rl, "%s: ioctl(SIOCGIFMEDIA) failed: %s",
- netdev_get_name(netdev_), strerror(errno));
+ netdev_get_name(netdev_), ovs_strerror(errno));
return errno;
}
return 0;
}
+static void
+convert_stats(struct netdev_stats *stats, const struct if_data *ifd)
+{
+ /*
+ * note: UINT64_MAX means unsupported
+ */
+ stats->rx_packets = ifd->ifi_ipackets;
+ stats->tx_packets = ifd->ifi_opackets;
+ stats->rx_bytes = ifd->ifi_obytes;
+ stats->tx_bytes = ifd->ifi_ibytes;
+ stats->rx_errors = ifd->ifi_ierrors;
+ stats->tx_errors = ifd->ifi_oerrors;
+ stats->rx_dropped = ifd->ifi_iqdrops;
+ stats->tx_dropped = UINT64_MAX;
+ stats->multicast = ifd->ifi_imcasts;
+ stats->collisions = ifd->ifi_collisions;
+ stats->rx_length_errors = UINT64_MAX;
+ stats->rx_over_errors = UINT64_MAX;
+ stats->rx_crc_errors = UINT64_MAX;
+ stats->rx_frame_errors = UINT64_MAX;
+ stats->rx_fifo_errors = UINT64_MAX;
+ stats->rx_missed_errors = UINT64_MAX;
+ stats->tx_aborted_errors = UINT64_MAX;
+ stats->tx_carrier_errors = UINT64_MAX;
+ stats->tx_fifo_errors = UINT64_MAX;
+ stats->tx_heartbeat_errors = UINT64_MAX;
+ stats->tx_window_errors = UINT64_MAX;
+}
+
/* Retrieves current device stats for 'netdev'. */
static int
netdev_bsd_get_stats(const struct netdev *netdev_, struct netdev_stats *stats)
{
+#if defined(__FreeBSD__)
int if_count, i;
int mib[6];
size_t len;
if (sysctl(mib, 5, &if_count, &len, (void *)0, 0) == -1) {
VLOG_DBG_RL(&rl, "%s: sysctl failed: %s",
- netdev_get_name(netdev_), strerror(errno));
+ netdev_get_name(netdev_), ovs_strerror(errno));
return errno;
}
mib[4] = i; //row
if (sysctl(mib, 6, &ifmd, &len, (void *)0, 0) == -1) {
VLOG_DBG_RL(&rl, "%s: sysctl failed: %s",
- netdev_get_name(netdev_), strerror(errno));
+ netdev_get_name(netdev_), ovs_strerror(errno));
return errno;
} else if (!strcmp(ifmd.ifmd_name, netdev_get_name(netdev_))) {
- stats->rx_packets = ifmd.ifmd_data.ifi_ipackets;
- stats->tx_packets = ifmd.ifmd_data.ifi_opackets;
- stats->rx_bytes = ifmd.ifmd_data.ifi_ibytes;
- stats->tx_bytes = ifmd.ifmd_data.ifi_obytes;
- stats->rx_errors = ifmd.ifmd_data.ifi_ierrors;
- stats->tx_errors = ifmd.ifmd_data.ifi_oerrors;
- stats->rx_dropped = ifmd.ifmd_data.ifi_iqdrops;
- stats->tx_dropped = UINT64_MAX;
- stats->multicast = ifmd.ifmd_data.ifi_imcasts;
- stats->collisions = ifmd.ifmd_data.ifi_collisions;
-
- stats->rx_length_errors = UINT64_MAX;
- stats->rx_over_errors = UINT64_MAX;
- stats->rx_crc_errors = UINT64_MAX;
- stats->rx_frame_errors = UINT64_MAX;
- stats->rx_fifo_errors = UINT64_MAX;
- stats->rx_missed_errors = UINT64_MAX;
-
- stats->tx_aborted_errors = UINT64_MAX;
- stats->tx_carrier_errors = UINT64_MAX;
- stats->tx_fifo_errors = UINT64_MAX;
- stats->tx_heartbeat_errors = UINT64_MAX;
- stats->tx_window_errors = UINT64_MAX;
+ convert_stats(stats, &ifmd.ifmd_data);
break;
}
}
return 0;
+#elif defined(__NetBSD__)
+ struct ifdatareq ifdr;
+ int saved_errno;
+ int ret;
+
+ memset(&ifdr, 0, sizeof(ifdr));
+ strncpy(ifdr.ifdr_name, netdev_get_kernel_name(netdev_),
+ sizeof(ifdr.ifdr_name));
+ ret = ioctl(af_link_sock, SIOCGIFDATA, &ifdr);
+ saved_errno = errno;
+ if (ret == -1) {
+ return saved_errno;
+ }
+ convert_stats(stats, &ifdr.ifdr_data);
+ return 0;
+#else
+#error not implemented
+#endif
}
static uint32_t
* them. */
if (ioctl(af_inet_sock, SIOCGIFMEDIA, &ifmr) == -1) {
VLOG_DBG_RL(&rl, "%s: ioctl(SIOCGIFMEDIA) failed: %s",
- netdev_get_name(netdev), strerror(errno));
+ netdev_get_name(netdev), ovs_strerror(errno));
return errno;
}
if (ioctl(af_inet_sock, SIOCGIFMEDIA, &ifmr) == -1) {
VLOG_DBG_RL(&rl, "%s: ioctl(SIOCGIFMEDIA) failed: %s",
- netdev_get_name(netdev), strerror(errno));
+ netdev_get_name(netdev), ovs_strerror(errno));
error = errno;
goto cleanup;
}
int error;
ifr.ifr_addr.sa_family = AF_INET;
- error = netdev_bsd_do_ioctl(netdev_get_name(netdev_), &ifr,
+ error = netdev_bsd_do_ioctl(netdev_get_kernel_name(netdev_), &ifr,
SIOCGIFADDR, "SIOCGIFADDR");
if (error) {
return error;
sin = (struct sockaddr_in *) &ifr.ifr_addr;
netdev->in4 = sin->sin_addr;
netdev->cache_valid |= VALID_IN4;
- error = netdev_bsd_do_ioctl(netdev_get_name(netdev_), &ifr,
+ error = netdev_bsd_do_ioctl(netdev_get_kernel_name(netdev_), &ifr,
SIOCGIFNETMASK, "SIOCGIFNETMASK");
if (error) {
return error;
if (getifaddrs(&head) != 0) {
VLOG_ERR("getifaddrs on %s device failed: %s", netdev_name,
- strerror(errno));
+ ovs_strerror(errno));
return errno;
}
return 0;
}
+#if defined(__NetBSD__)
+static struct netdev *
+find_netdev_by_kernel_name(const char *kernel_name)
+{
+ struct shash device_shash;
+ struct shash_node *node;
+
+ shash_init(&device_shash);
+ netdev_get_devices(&netdev_tap_class, &device_shash);
+ SHASH_FOR_EACH(node, &device_shash) {
+ struct netdev_bsd * const dev = node->data;
+
+ if (!strcmp(dev->kernel_name, kernel_name)) {
+ shash_destroy(&device_shash);
+ return &dev->up;
+ }
+ }
+ shash_destroy(&device_shash);
+ return NULL;
+}
+
+static const char *
+netdev_bsd_convert_kernel_name_to_ovs_name(const char *kernel_name)
+{
+ const struct netdev * const netdev =
+ find_netdev_by_kernel_name(kernel_name);
+
+ if (netdev == NULL) {
+ return NULL;
+ }
+ return netdev_get_name(netdev);
+}
+#endif
+
+static int
+netdev_bsd_get_next_hop(const struct in_addr *host OVS_UNUSED,
+ struct in_addr *next_hop OVS_UNUSED,
+ char **netdev_name OVS_UNUSED)
+{
+#if defined(__NetBSD__)
+ static int seq = 0;
+ struct sockaddr_in sin;
+ struct sockaddr_dl sdl;
+ int s;
+ int i;
+ struct {
+ struct rt_msghdr h;
+ char space[512];
+ } buf;
+ struct rt_msghdr *rtm = &buf.h;
+ const pid_t pid = getpid();
+ char *cp;
+ ssize_t ssz;
+ bool gateway = false;
+ char *ifname = NULL;
+ int saved_errno;
+
+ memset(next_hop, 0, sizeof(*next_hop));
+ *netdev_name = NULL;
+
+ memset(&sin, 0, sizeof(sin));
+ sin.sin_len = sizeof(sin);
+ sin.sin_family = AF_INET;
+ sin.sin_port = 0;
+ sin.sin_addr = *host;
+
+ memset(&sdl, 0, sizeof(sdl));
+ sdl.sdl_len = sizeof(sdl);
+ sdl.sdl_family = AF_LINK;
+
+ s = socket(PF_ROUTE, SOCK_RAW, 0);
+ memset(&buf, 0, sizeof(buf));
+ rtm->rtm_flags = RTF_HOST|RTF_UP;
+ rtm->rtm_version = RTM_VERSION;
+ rtm->rtm_addrs = RTA_DST|RTA_IFP;
+ cp = (void *)&buf.space;
+ memcpy(cp, &sin, sizeof(sin));
+ RT_ADVANCE(cp, (struct sockaddr *)(void *)&sin);
+ memcpy(cp, &sdl, sizeof(sdl));
+ RT_ADVANCE(cp, (struct sockaddr *)(void *)&sdl);
+ rtm->rtm_msglen = cp - (char *)(void *)rtm;
+ rtm->rtm_seq = ++seq;
+ rtm->rtm_type = RTM_GET;
+ rtm->rtm_pid = pid;
+ write(s, rtm, rtm->rtm_msglen);
+ memset(&buf, 0, sizeof(buf));
+ do {
+ ssz = read(s, &buf, sizeof(buf));
+ } while (ssz > 0 && (rtm->rtm_seq != seq || rtm->rtm_pid != pid));
+ saved_errno = errno;
+ close(s);
+ if (ssz <= 0) {
+ if (ssz < 0) {
+ return saved_errno;
+ }
+ return EPIPE; /* XXX */
+ }
+ cp = (void *)&buf.space;
+ for (i = 1; i; i <<= 1) {
+ if ((rtm->rtm_addrs & i) != 0) {
+ const struct sockaddr *sa = (const void *)cp;
+
+ if ((i == RTA_GATEWAY) && sa->sa_family == AF_INET) {
+ const struct sockaddr_in * const sin =
+ (const struct sockaddr_in *)sa;
+
+ *next_hop = sin->sin_addr;
+ gateway = true;
+ }
+ if ((i == RTA_IFP) && sa->sa_family == AF_LINK) {
+ const struct sockaddr_dl * const sdl =
+ (const struct sockaddr_dl *)sa;
+ const size_t nlen = sdl->sdl_nlen;
+ char * const kernel_name = xmalloc(nlen + 1);
+ const char *name;
+
+ memcpy(kernel_name, sdl->sdl_data, nlen);
+ kernel_name[nlen] = 0;
+ name = netdev_bsd_convert_kernel_name_to_ovs_name(kernel_name);
+ if (name == NULL) {
+ ifname = xstrdup(kernel_name);
+ } else {
+ ifname = xstrdup(name);
+ }
+ free(kernel_name);
+ }
+ RT_ADVANCE(cp, sa);
+ }
+ }
+ if (ifname == NULL) {
+ return ENXIO;
+ }
+ if (!gateway) {
+ *next_hop = *host;
+ }
+ *netdev_name = ifname;
+ VLOG_DBG("host " IP_FMT " next-hop " IP_FMT " if %s",
+ IP_ARGS(host->s_addr), IP_ARGS(next_hop->s_addr), *netdev_name);
+ return 0;
+#else
+ return EOPNOTSUPP;
+#endif
+}
+
static void
make_in4_sockaddr(struct sockaddr *sa, struct in_addr addr)
{
{
struct ifreq ifr;
make_in4_sockaddr(&ifr.ifr_addr, addr);
- return netdev_bsd_do_ioctl(netdev, &ifr, ioctl_nr, ioctl_name);
+ return netdev_bsd_do_ioctl(netdev_get_kernel_name(netdev), &ifr, ioctl_nr,
+ ioctl_name);
}
static int
}
if (nd & NETDEV_PROMISC) {
iff |= IFF_PROMISC;
+#if defined(IFF_PPROMISC)
iff |= IFF_PPROMISC;
+#endif
}
return iff;
}
*old_flagsp = iff_to_nd_flags(old_flags);
new_flags = (old_flags & ~nd_to_iff_flags(off)) | nd_to_iff_flags(on);
if (new_flags != old_flags) {
- error = set_flags(netdev_get_name(netdev_), new_flags);
+ error = set_flags(netdev_get_kernel_name(netdev_), new_flags);
netdev_bsd_changed(netdev);
}
}
netdev_bsd_set_in4,
netdev_bsd_get_in6,
NULL, /* add_router */
- NULL, /* get_next_hop */
+ netdev_bsd_get_next_hop,
NULL, /* get_status */
NULL, /* arp_lookup */
netdev_bsd_set_in4,
netdev_bsd_get_in6,
NULL, /* add_router */
- NULL, /* get_next_hop */
+ netdev_bsd_get_next_hop,
NULL, /* get_status */
NULL, /* arp_lookup */
struct ifreq ifr;
int error;
- error = netdev_bsd_do_ioctl(netdev->name, &ifr,
+ error = netdev_bsd_do_ioctl(netdev_get_kernel_name(netdev), &ifr,
SIOCGIFFLAGS, "SIOCGIFFLAGS");
- *flags = 0xFFFF0000 & (ifr.ifr_flagshigh << 16);
- *flags |= 0x0000FFFF & ifr.ifr_flags;
+ *flags = ifr_get_flags(&ifr);
return error;
}
{
struct ifreq ifr;
- ifr.ifr_flags = 0x0000FFFF & flags;
- ifr.ifr_flagshigh = (0xFFFF0000 & flags) >> 16;
+ ifr_set_flags(&ifr, flags);
return netdev_bsd_do_ioctl(name, &ifr, SIOCSIFFLAGS, "SIOCSIFFLAGS");
}
if (getifaddrs(&head) != 0) {
VLOG_ERR("getifaddrs on %s device failed: %s", netdev_name,
- strerror(errno));
+ ovs_strerror(errno));
return errno;
}
}
static int
-set_etheraddr(const char *netdev_name, int hwaddr_family,
- int hwaddr_len, const uint8_t mac[ETH_ADDR_LEN])
+set_etheraddr(const char *netdev_name OVS_UNUSED, int hwaddr_family OVS_UNUSED,
+ int hwaddr_len OVS_UNUSED,
+ const uint8_t mac[ETH_ADDR_LEN] OVS_UNUSED)
{
+#if defined(__FreeBSD__)
struct ifreq ifr;
memset(&ifr, 0, sizeof ifr);
memcpy(ifr.ifr_addr.sa_data, mac, hwaddr_len);
if (ioctl(af_inet_sock, SIOCSIFLLADDR, &ifr) < 0) {
VLOG_ERR("ioctl(SIOCSIFLLADDR) on %s device failed: %s",
- netdev_name, strerror(errno));
+ netdev_name, ovs_strerror(errno));
return errno;
}
return 0;
+#elif defined(__NetBSD__)
+ struct if_laddrreq req;
+ struct sockaddr_dl *sdl;
+ struct sockaddr_storage oldaddr;
+ int ret;
+
+ /*
+ * get the old address, add new one, and then remove old one.
+ */
+
+ if (hwaddr_len != ETH_ADDR_LEN) {
+ /* just to be safe about sockaddr storage size */
+ return EOPNOTSUPP;
+ }
+ memset(&req, 0, sizeof(req));
+ strncpy(req.iflr_name, netdev_name, sizeof(req.iflr_name));
+ req.addr.ss_len = sizeof(req.addr);
+ req.addr.ss_family = hwaddr_family;
+ sdl = (struct sockaddr_dl *)&req.addr;
+ sdl->sdl_alen = hwaddr_len;
+ ret = ioctl(af_link_sock, SIOCGLIFADDR, &req);
+ if (ret == -1) {
+ return errno;
+ }
+ if (!memcmp(&sdl->sdl_data[sdl->sdl_nlen], mac, hwaddr_len)) {
+ return 0;
+ }
+ oldaddr = req.addr;
+
+ memset(&req, 0, sizeof(req));
+ strncpy(req.iflr_name, netdev_name, sizeof(req.iflr_name));
+ req.flags = IFLR_ACTIVE;
+ sdl = (struct sockaddr_dl *)&req.addr;
+ sdl->sdl_len = offsetof(struct sockaddr_dl, sdl_data) + hwaddr_len;
+ sdl->sdl_alen = hwaddr_len;
+ sdl->sdl_family = hwaddr_family;
+ memcpy(sdl->sdl_data, mac, hwaddr_len);
+ ret = ioctl(af_link_sock, SIOCALIFADDR, &req);
+ if (ret == -1) {
+ return errno;
+ }
+
+ memset(&req, 0, sizeof(req));
+ strncpy(req.iflr_name, netdev_name, sizeof(req.iflr_name));
+ req.addr = oldaddr;
+ ret = ioctl(af_link_sock, SIOCDLIFADDR, &req);
+ if (ret == -1) {
+ return errno;
+ }
+ return 0;
+#else
+#error not implemented
+#endif
}
static int
strncpy(ifr->ifr_name, name, sizeof ifr->ifr_name);
if (ioctl(af_inet_sock, cmd, ifr) == -1) {
VLOG_DBG_RL(&rl, "%s: ioctl(%s) failed: %s", name, cmd_name,
- strerror(errno));
+ ovs_strerror(errno));
return errno;
}
return 0;
}
+
+static int
+ifr_get_flags(const struct ifreq *ifr)
+{
+#ifdef HAVE_STRUCT_IFREQ_IFR_FLAGSHIGH
+ return (ifr->ifr_flagshigh << 16) | ifr->ifr_flags;
+#else
+ return ifr->ifr_flags;
+#endif
+}
+
+static void
+ifr_set_flags(struct ifreq *ifr, int flags)
+{
+ ifr->ifr_flags = flags;
+#ifdef HAVE_STRUCT_IFREQ_IFR_FLAGSHIGH
+ ifr->ifr_flagshigh = flags >> 16;
+#endif
+}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff