VLOG_DEFINE_THIS_MODULE(netdev_pltap);
struct netdev_dev_pltap {
- struct netdev_dev netdev_dev;
+ struct netdev_dev up;
char *real_name;
- char *error;
struct netdev_stats stats;
+ enum netdev_flags new_flags;
enum netdev_flags flags;
int fd;
struct sockaddr_in local_addr;
int local_netmask;
bool valid_local_ip;
bool valid_local_netmask;
- bool finalized;
+ bool sync_flags_needed;
+ struct list sync_list;
unsigned int change_seq;
};
+static const struct netdev_rx_class netdev_rx_pltap_class;
+
+static struct list sync_list;
+
struct netdev_pltap {
- struct netdev netdev;
-} ;
+ struct netdev up;
+};
+
+struct netdev_rx_pltap {
+ struct netdev_rx up;
+ int fd;
+};
+
+static int af_inet_sock = -1;
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
static int netdev_pltap_create(const struct netdev_class *, const char *,
struct netdev_dev **);
-static struct shash pltap_creating = SHASH_INITIALIZER(&pltap_creating);
-
static void netdev_pltap_update_seq(struct netdev_dev_pltap *);
+static int get_flags(struct netdev_dev_pltap *dev, enum netdev_flags *flags);
static bool
-is_pltap_class(const struct netdev_class *class)
+netdev_pltap_finalized(struct netdev_dev_pltap *dev)
+{
+ return dev->valid_local_ip && dev->valid_local_netmask;
+}
+
+static bool
+is_netdev_pltap_class(const struct netdev_class *class)
{
return class->create == netdev_pltap_create;
}
static struct netdev_dev_pltap *
netdev_dev_pltap_cast(const struct netdev_dev *netdev_dev)
{
- assert(is_pltap_class(netdev_dev_get_class(netdev_dev)));
- return CONTAINER_OF(netdev_dev, struct netdev_dev_pltap, netdev_dev);
+ ovs_assert(is_netdev_pltap_class(netdev_dev_get_class(netdev_dev)));
+ return CONTAINER_OF(netdev_dev, struct netdev_dev_pltap, up);
}
static struct netdev_pltap *
netdev_pltap_cast(const struct netdev *netdev)
{
struct netdev_dev *netdev_dev = netdev_get_dev(netdev);
- assert(is_pltap_class(netdev_dev_get_class(netdev_dev)));
- return CONTAINER_OF(netdev, struct netdev_pltap, netdev);
+ ovs_assert(is_netdev_pltap_class(netdev_dev_get_class(netdev_dev)));
+ return CONTAINER_OF(netdev, struct netdev_pltap, up);
+}
+
+static struct netdev_rx_pltap*
+netdev_rx_pltap_cast(const struct netdev_rx *rx)
+{
+ netdev_rx_assert_class(rx, &netdev_rx_pltap_class);
+ return CONTAINER_OF(rx, struct netdev_rx_pltap, up);
+}
+
+static void sync_needed(struct netdev_dev_pltap *dev)
+{
+ if (dev->sync_flags_needed)
+ return;
+
+ dev->sync_flags_needed = true;
+ list_insert(&sync_list, &dev->sync_list);
+
+}
+
+static void sync_done(struct netdev_dev_pltap *dev)
+{
+ if (!dev->sync_flags_needed)
+ return;
+
+ (void) list_remove(&dev->sync_list);
+ dev->sync_flags_needed = false;
}
static int
netdev_dev = xzalloc(sizeof *netdev_dev);
netdev_dev->real_name = xzalloc(IFNAMSIZ + 1);
- netdev_dev->error = NULL;
memset(&netdev_dev->local_addr, 0, sizeof(netdev_dev->local_addr));
netdev_dev->valid_local_ip = false;
netdev_dev->valid_local_netmask = false;
- netdev_dev->finalized = false;
+ netdev_dev->flags = 0;
+ netdev_dev->sync_flags_needed = false;
+ list_init(&netdev_dev->sync_list);
/* Open tap device. */
goto cleanup;
}
- netdev_dev_init(&netdev_dev->netdev_dev, name, &netdev_pltap_class);
+ netdev_dev_init(&netdev_dev->up, name, &netdev_pltap_class);
shash_add(&pltap_netdev_devs, name, netdev_dev);
- *netdev_devp = &netdev_dev->netdev_dev;
+ *netdev_devp = &netdev_dev->up;
return 0;
cleanup:
if (netdev_dev->fd != -1)
close(netdev_dev->fd);
+ sync_done(netdev_dev);
+
shash_find_and_delete(&pltap_netdev_devs,
netdev_dev_get_name(netdev_dev_));
free(netdev_dev);
struct netdev_pltap *netdev;
netdev = xmalloc(sizeof *netdev);
- netdev_init(&netdev->netdev, netdev_dev_);
+ netdev_init(&netdev->up, netdev_dev_);
- *netdevp = &netdev->netdev;
+ *netdevp = &netdev->up;
return 0;
}
free(netdev);
}
+
+static int netdev_pltap_up(struct netdev_dev_pltap *dev);
+
static int
-netdev_pltap_create_finalize(struct netdev_dev_pltap *dev)
+netdev_pltap_rx_open(struct netdev *netdev_, struct netdev_rx **rxp)
{
+ struct netdev_dev_pltap *netdev_dev =
+ netdev_dev_pltap_cast(netdev_get_dev(netdev_));
+ struct netdev_rx_pltap *rx;
+ int err;
+
+ rx = xmalloc(sizeof *rx);
+ netdev_rx_init(&rx->up, netdev_get_dev(netdev_), &netdev_rx_pltap_class);
+ rx->fd = netdev_dev->fd;
+ *rxp = &rx->up;
+ if (!netdev_pltap_finalized(netdev_dev))
+ return 0;
+ err = netdev_pltap_up(netdev_dev);
+ if (err) {
+ free(rx);
+ *rxp = NULL;
+ return err;
+ }
+ return 0;
+}
+
+static void
+netdev_rx_pltap_destroy(struct netdev_rx *rx_)
+{
+ struct netdev_rx_pltap *rx = netdev_rx_pltap_cast(rx_);
+ free(rx);
+}
+
+static int vsys_transaction(const char *script,
+ const char **preply, char *format, ...)
+{
+ char *msg = NULL, *reply = NULL;
+ const size_t reply_size = 1024;
int ifd = -1, ofd = -1, maxfd;
- size_t bytes_to_write, bytes_to_read = 1024,
+ size_t bytes_to_write, bytes_to_read,
bytes_written = 0, bytes_read = 0;
int error = 0;
- char *msg = NULL, *reply = NULL;
+ char *ofname = NULL, *ifname = NULL;
+ va_list args;
- if (dev->finalized)
- return 0;
- if (!dev->valid_local_ip || !dev->valid_local_netmask)
- return 0;
-
- ofd = open("/vsys/vif_up.out", O_RDONLY | O_NONBLOCK);
+ va_start(args, format);
+ msg = xvasprintf(format, args);
+ va_end(args);
+ reply = (char*)xmalloc(reply_size);
+ if (!msg || !reply) {
+ VLOG_ERR("Out of memory");
+ error = ENOMEM;
+ goto cleanup;
+ }
+
+ ofname = xasprintf("/vsys/%s.out", script);
+ ifname = xasprintf("/vsys/%s.in", script);
+ if (!ofname || !ifname) {
+ VLOG_ERR("Out of memory");
+ error = ENOMEM;
+ goto cleanup;
+ }
+
+ ofd = open(ofname, O_RDONLY | O_NONBLOCK);
if (ofd < 0) {
- VLOG_ERR("Cannot open vif_up.out: %s", strerror(errno));
+ VLOG_ERR("Cannot open %s: %s", ofname, strerror(errno));
error = errno;
goto cleanup;
}
- ifd = open("/vsys/vif_up.in", O_WRONLY | O_NONBLOCK);
+ ifd = open(ifname, O_WRONLY | O_NONBLOCK);
if (ifd < 0) {
- VLOG_ERR("Cannot open vif_up.in: %s", strerror(errno));
+ VLOG_ERR("Cannot open %s: %s", ifname, strerror(errno));
error = errno;
goto cleanup;
}
maxfd = (ifd < ofd) ? ofd : ifd;
- msg = xasprintf("%s\n"IP_FMT"\n%d\n",
- dev->real_name,
- IP_ARGS(&dev->local_addr.sin_addr),
- dev->local_netmask);
- reply = (char*)xmalloc(bytes_to_read);
- if (!msg || !reply) {
- VLOG_ERR("Out of memory");
- error = ENOMEM;
- goto cleanup;
- }
bytes_to_write = strlen(msg);
+ bytes_to_read = reply_size;
while (bytes_to_write || bytes_to_read) {
fd_set readset, writeset, errorset;
ssize_t n = write(ifd, msg + bytes_written, bytes_to_write);
if (n < 0) {
if (errno != EAGAIN && errno != EINTR) {
- VLOG_ERR("write on vif_up.in: %s", strerror(errno));
+ VLOG_ERR("write on %s: %s", ifname, strerror(errno));
error = errno;
goto cleanup;
}
ssize_t n = read(ofd, reply + bytes_read, bytes_to_read);
if (n < 0) {
if (errno != EAGAIN && errno != EINTR) {
- VLOG_ERR("read on vif_up.out: %s", strerror(errno));
+ VLOG_ERR("read on %s: %s", ofname, strerror(errno));
error = errno;
goto cleanup;
}
}
if (bytes_read) {
reply[bytes_read] = '\0';
- VLOG_ERR("vif_up returned: %s", reply);
- dev->error = reply;
- reply = NULL;
+ if (preply) {
+ *preply = reply;
+ reply = NULL; /* prevent freeing the reply msg */
+ } else {
+ VLOG_ERR("%s returned: %s", script, reply);
+ }
error = EAGAIN;
goto cleanup;
}
- dev->finalized = true;
- free(dev->error);
- dev->error = NULL;
- netdev_pltap_update_seq(dev);
cleanup:
free(msg);
free(reply);
+ free(ofname);
+ free(ifname);
close(ifd);
close(ofd);
return error;
}
+static int
+netdev_pltap_up(struct netdev_dev_pltap *dev)
+{
+ if (!netdev_pltap_finalized(dev)) {
+ return 0;
+ }
+
+ return vsys_transaction("vif_up", NULL, "%s\n"IP_FMT"\n%d\n",
+ dev->real_name,
+ IP_ARGS(dev->local_addr.sin_addr.s_addr),
+ dev->local_netmask);
+}
+
+static int
+netdev_pltap_down(struct netdev_dev_pltap *dev)
+{
+ if (!netdev_pltap_finalized(dev)) {
+ return 0;
+ }
+
+ return vsys_transaction("vif_down", NULL, "%s\n", dev->real_name);
+}
+
+static int
+netdev_pltap_promisc(struct netdev_dev_pltap *dev, bool promisc)
+{
+ if (!netdev_pltap_finalized(dev)) {
+ return 0;
+ }
+
+ return vsys_transaction("promisc", NULL, "%s\n%s",
+ dev->real_name,
+ (promisc ? "" : "-\n"));
+}
+
+static void
+netdev_pltap_sync_flags(struct netdev_dev_pltap *dev)
+{
+
+ if (dev->fd < 0 || !netdev_pltap_finalized(dev)) {
+ sync_done(dev);
+ return;
+ }
+
+ VLOG_DBG("sync_flags(%s): current: %s %s target: %s %s",
+ dev->real_name,
+ (dev->flags & NETDEV_UP ? "UP" : "-"),
+ (dev->flags & NETDEV_PROMISC ? "PROMISC" : "-"),
+ (dev->new_flags & NETDEV_UP ? "UP" : "-"),
+ (dev->new_flags & NETDEV_PROMISC ? "PROMISC" : "-"));
+
+ if ((dev->new_flags & NETDEV_UP) && !(dev->flags & NETDEV_UP)) {
+ (void) netdev_pltap_up(dev);
+ } else if (!(dev->new_flags & NETDEV_UP) && (dev->flags & NETDEV_UP)) {
+ (void) netdev_pltap_down(dev);
+ }
+
+ if ((dev->new_flags & NETDEV_PROMISC) ^ (dev->flags & NETDEV_PROMISC)) {
+ (void) netdev_pltap_promisc(dev, dev->new_flags & NETDEV_PROMISC);
+ }
+
+ netdev_pltap_update_seq(dev);
+ sync_done(dev);
+}
+
+
static int
netdev_pltap_get_config(struct netdev_dev *dev_, struct smap *args)
{
if (netdev_dev->valid_local_ip)
smap_add_format(args, "local_ip", IP_FMT,
- IP_ARGS(&netdev_dev->local_addr.sin_addr));
+ IP_ARGS(netdev_dev->local_addr.sin_addr.s_addr));
if (netdev_dev->valid_local_netmask)
smap_add_format(args, "local_netmask", "%"PRIu32,
ntohs(netdev_dev->local_netmask));
- return netdev_pltap_create_finalize(netdev_dev);
+ return 0;
}
static int
netdev_dev_get_name(dev_), node->name);
}
}
- return netdev_pltap_create_finalize(netdev_dev);
-}
-
-static int
-netdev_pltap_listen(struct netdev *netdev_ OVS_UNUSED)
-{
+ if (netdev_pltap_finalized(netdev_dev)) {
+ netdev_dev->new_flags |= NETDEV_UP;
+ sync_needed(netdev_dev);
+ }
return 0;
}
static int
-netdev_pltap_recv(struct netdev *netdev_, void *buffer, size_t size)
+netdev_rx_pltap_recv(struct netdev_rx *rx_, void *buffer, size_t size)
{
- struct netdev_dev_pltap *dev =
- netdev_dev_pltap_cast(netdev_get_dev(netdev_));
- if (!dev->finalized)
- return -EAGAIN;
+ struct netdev_rx_pltap *rx = netdev_rx_pltap_cast(rx_);
+ char prefix[4];
+ struct iovec iov[2] = {
+ { .iov_base = prefix, .iov_len = 4 },
+ { .iov_base = buffer, .iov_len = size }
+ };
for (;;) {
ssize_t retval;
- retval = read(dev->fd, buffer, size);
- VLOG_DBG("%s: read(%"PRIxPTR", %"PRIu64") = %"PRId64,
- netdev_get_name(netdev_), (uintptr_t)buffer, size, retval);
+ retval = readv(rx->fd, iov, 2);
if (retval >= 0) {
if (retval <= size) {
return retval;
} else if (errno != EINTR) {
if (errno != EAGAIN) {
VLOG_WARN_RL(&rl, "error receiveing Ethernet packet on %s: %s",
- netdev_get_name(netdev_), strerror(errno));
+ netdev_rx_get_name(rx_), strerror(errno));
}
return -errno;
}
}
static void
-netdev_pltap_recv_wait(struct netdev *netdev_)
+netdev_rx_pltap_wait(struct netdev_rx *rx_)
{
- struct netdev_dev_pltap *dev =
- netdev_dev_pltap_cast(netdev_get_dev(netdev_));
- if (dev->finalized && dev->fd >= 0) {
- poll_fd_wait(dev->fd, POLLIN);
+ struct netdev_rx_pltap *rx = netdev_rx_pltap_cast(rx_);
+ struct netdev_dev_pltap *netdev_dev =
+ netdev_dev_pltap_cast(rx->up.netdev_dev);
+ if (rx->fd >= 0 && netdev_pltap_finalized(netdev_dev)) {
+ poll_fd_wait(rx->fd, POLLIN);
}
}
{
struct netdev_dev_pltap *dev =
netdev_dev_pltap_cast(netdev_get_dev(netdev_));
- if (dev->fd < 0 || !dev->finalized)
- return -EAGAIN;
+ char prefix[4] = { 0, 0, 8, 6 };
+ struct iovec iov[2] = {
+ { .iov_base = prefix, .iov_len = 4 },
+ { .iov_base = (char*) buffer, .iov_len = size }
+ };
+ if (dev->fd < 0)
+ return EAGAIN;
for (;;) {
ssize_t retval;
- retval = write(dev->fd, buffer, size);
- VLOG_DBG("%s: write(%"PRIxPTR", %"PRIu64") = %"PRId64,
- netdev_get_name(netdev_), (uintptr_t)buffer, size, retval);
+ retval = writev(dev->fd, iov, 2);
if (retval >= 0) {
- if (retval != size) {
- VLOG_WARN_RL(&rl, "sent partial Ethernet packet (%"PRId64" bytes of "
- "%"PRIu64") on %s", retval, size, netdev_get_name(netdev_));
+ if (retval != size + 4) {
+ VLOG_WARN_RL(&rl, "sent partial Ethernet packet (%zd bytes of %zu) on %s",
+ retval, size + 4, netdev_get_name(netdev_));
}
return 0;
} else if (errno != EINTR) {
{
struct netdev_dev_pltap *dev =
netdev_dev_pltap_cast(netdev_get_dev(netdev_));
- if (dev->finalized && dev->fd >= 0) {
+ if (dev->fd >= 0 && netdev_pltap_finalized(dev)) {
poll_fd_wait(dev->fd, POLLOUT);
}
}
static int
-netdev_pltap_drain(struct netdev *netdev_)
+netdev_rx_pltap_drain(struct netdev_rx *rx_)
{
- struct netdev_dev_pltap *dev =
- netdev_dev_pltap_cast(netdev_get_dev(netdev_));
+ struct netdev_rx_pltap *rx = netdev_rx_pltap_cast(rx_);
char buffer[128];
int error;
- if (dev->fd < 0 || !dev->finalized)
- return 0;
+ if (rx->fd < 0)
+ return EAGAIN;
for (;;) {
- error = recv(dev->fd, buffer, 128, MSG_TRUNC);
+ error = recv(rx->fd, buffer, 128, MSG_TRUNC);
if (error) {
if (error == -EAGAIN)
break;
}
static int
-netdev_pltap_set_etheraddr(struct netdev *netdev,
- const uint8_t mac[ETH_ADDR_LEN])
+netdev_pltap_set_etheraddr(struct netdev *netdevi OVS_UNUSED,
+ const uint8_t mac[ETH_ADDR_LEN] OVS_UNUSED)
{
return ENOTSUP;
}
+
// XXX from netdev-linux.c
static int
-get_etheraddr(const char *netdev_name, uint8_t ea[ETH_ADDR_LEN])
+get_etheraddr(struct netdev_dev_pltap *dev, uint8_t ea[ETH_ADDR_LEN])
{
struct ifreq ifr;
int hwaddr_family;
- int af_inet_sock;
-
- /* Create AF_INET socket. */
- af_inet_sock = socket(AF_INET, SOCK_DGRAM, 0);
- if (af_inet_sock < 0) {
- VLOG_ERR("failed to create inet socket: %s", strerror(errno));
- }
memset(&ifr, 0, sizeof ifr);
- ovs_strzcpy(ifr.ifr_name, netdev_name, sizeof ifr.ifr_name);
+ ovs_strzcpy(ifr.ifr_name, dev->real_name, sizeof ifr.ifr_name);
if (ioctl(af_inet_sock, SIOCGIFHWADDR, &ifr) < 0) {
/* ENODEV probably means that a vif disappeared asynchronously and
* hasn't been removed from the database yet, so reduce the log level
* to INFO for that case. */
VLOG(errno == ENODEV ? VLL_INFO : VLL_ERR,
"ioctl(SIOCGIFHWADDR) on %s device failed: %s",
- netdev_name, strerror(errno));
+ dev->real_name, strerror(errno));
return errno;
}
hwaddr_family = ifr.ifr_hwaddr.sa_family;
if (hwaddr_family != AF_UNSPEC && hwaddr_family != ARPHRD_ETHER) {
VLOG_WARN("%s device has unknown hardware address family %d",
- netdev_name, hwaddr_family);
+ dev->real_name, hwaddr_family);
}
memcpy(ea, ifr.ifr_hwaddr.sa_data, ETH_ADDR_LEN);
return 0;
}
+static int
+get_flags(struct netdev_dev_pltap *dev, enum netdev_flags *flags)
+{
+ struct ifreq ifr;
+
+ memset(&ifr, 0, sizeof ifr);
+ ovs_strzcpy(ifr.ifr_name, dev->real_name, sizeof ifr.ifr_name);
+ if (ioctl(af_inet_sock, SIOCGIFFLAGS, &ifr) < 0)
+ return errno;
+ *flags = 0;
+ if (ifr.ifr_flags & IFF_UP)
+ *flags |= NETDEV_UP;
+ if (ifr.ifr_flags & IFF_PROMISC)
+ *flags |= NETDEV_PROMISC;
+ return 0;
+}
+
static int
netdev_pltap_get_etheraddr(const struct netdev *netdev,
uint8_t mac[ETH_ADDR_LEN])
{
struct netdev_dev_pltap *dev =
netdev_dev_pltap_cast(netdev_get_dev(netdev));
- if (dev->fd < 0 || !dev->finalized)
+ if (dev->fd < 0)
return EAGAIN;
- return get_etheraddr(dev->real_name, mac);
+ return get_etheraddr(dev, mac);
}
static int
netdev_pltap_get_stats(const struct netdev *netdev OVS_UNUSED, struct netdev_stats *stats OVS_UNUSED)
{
- return -ENOTSUP;
+ return ENOTSUP;
}
static int
netdev_pltap_set_stats(struct netdev *netdev OVS_UNUSED, const struct netdev_stats *stats OVS_UNUSED)
{
- return -ENOTSUP;
+ return ENOTSUP;
}
+
static int
-netdev_pltap_update_flags(struct netdev *netdev,
+netdev_pltap_update_flags(struct netdev_dev *dev_,
enum netdev_flags off, enum netdev_flags on,
enum netdev_flags *old_flagsp)
{
- struct netdev_dev_pltap *dev =
- netdev_dev_pltap_cast(netdev_get_dev(netdev));
+ struct netdev_dev_pltap *netdev_dev =
+ netdev_dev_pltap_cast(dev_);
+ int error = 0;
if ((off | on) & ~(NETDEV_UP | NETDEV_PROMISC)) {
return EINVAL;
}
- // XXX should we actually do something with these flags?
- *old_flagsp = dev->flags;
- dev->flags |= on;
- dev->flags &= ~off;
- if (*old_flagsp != dev->flags) {
- netdev_pltap_update_seq(dev);
+ if (netdev_pltap_finalized(netdev_dev)) {
+ error = get_flags(netdev_dev, &netdev_dev->flags);
}
- return 0;
+ *old_flagsp = netdev_dev->flags;
+ netdev_dev->new_flags |= on;
+ netdev_dev->new_flags &= ~off;
+ if (netdev_dev->flags != netdev_dev->new_flags) {
+ /* we cannot sync here, since we may be in a signal handler */
+ sync_needed(netdev_dev);
+ }
+
+ return error;
}
static unsigned int
unixctl_command_reply_error(conn, "no such pltap netdev");
return;
}
- if (pltap_dev->error) {
- unixctl_command_reply_error(conn, pltap_dev->error);
+ if (pltap_dev->fd < 0) {
+ unixctl_command_reply_error(conn, "no real device attached");
return;
}
static int
netdev_pltap_init(void)
{
+ list_init(&sync_list);
+ af_inet_sock = socket(AF_INET, SOCK_DGRAM, 0);
+ if (af_inet_sock < 0) {
+ VLOG_ERR("failed to create inet socket: %s", strerror(errno));
+ }
unixctl_command_register("netdev-pltap/get-tapname", "port",
1, 1, netdev_pltap_get_real_name, NULL);
return 0;
}
+static void
+netdev_pltap_run(void)
+{
+ struct netdev_dev_pltap *iter, *next;
+ LIST_FOR_EACH_SAFE(iter, next, sync_list, &sync_list) {
+ netdev_pltap_sync_flags(iter);
+ }
+}
+
+static void
+netdev_pltap_wait(void)
+{
+ if (!list_is_empty(&sync_list)) {
+ VLOG_DBG("netdev_pltap: scheduling sync");
+ poll_immediate_wake();
+ }
+}
+
const struct netdev_class netdev_pltap_class = {
"pltap",
netdev_pltap_init,
- NULL,
- NULL,
+ netdev_pltap_run,
+ netdev_pltap_wait,
netdev_pltap_create,
netdev_pltap_destroy,
netdev_pltap_get_config,
netdev_pltap_set_config,
+ NULL, /* get_tunnel_config */
netdev_pltap_open,
netdev_pltap_close,
- netdev_pltap_listen,
- netdev_pltap_recv,
- netdev_pltap_recv_wait,
- netdev_pltap_drain,
+ netdev_pltap_rx_open,
netdev_pltap_send,
netdev_pltap_send_wait,
netdev_pltap_change_seq
};
+
+static const struct netdev_rx_class netdev_rx_pltap_class = {
+ netdev_rx_pltap_destroy,
+ netdev_rx_pltap_recv,
+ netdev_rx_pltap_wait,
+ netdev_rx_pltap_drain,
+
+};
git://git.onelab.eu / sliver-openvswitch.git / blobdiff