struct netdev_tunnel {
struct netdev netdev;
-} ;
+};
+
+struct netdev_rx_tunnel {
+ struct netdev_rx up;
+ int fd;
+};
+
+static const struct netdev_rx_class netdev_rx_tunnel_class;
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
static void netdev_tunnel_update_seq(struct netdev_dev_tunnel *);
static bool
-is_tunnel_class(const struct netdev_class *class)
+is_netdev_tunnel_class(const struct netdev_class *class)
{
return class->create == netdev_tunnel_create;
}
static struct netdev_dev_tunnel *
netdev_dev_tunnel_cast(const struct netdev_dev *netdev_dev)
{
- ovs_assert(is_tunnel_class(netdev_dev_get_class(netdev_dev)));
+ ovs_assert(is_netdev_tunnel_class(netdev_dev_get_class(netdev_dev)));
return CONTAINER_OF(netdev_dev, struct netdev_dev_tunnel, netdev_dev);
}
netdev_tunnel_cast(const struct netdev *netdev)
{
struct netdev_dev *netdev_dev = netdev_get_dev(netdev);
- ovs_assert(is_tunnel_class(netdev_dev_get_class(netdev_dev)));
+ ovs_assert(is_netdev_tunnel_class(netdev_dev_get_class(netdev_dev)));
return CONTAINER_OF(netdev, struct netdev_tunnel, netdev);
}
+static struct netdev_rx_tunnel *
+netdev_rx_tunnel_cast(const struct netdev_rx *rx)
+{
+ netdev_rx_assert_class(rx, &netdev_rx_tunnel_class);
+ return CONTAINER_OF(rx, struct netdev_rx_tunnel, up);
+}
+
static int
netdev_tunnel_create(const struct netdev_class *class, const char *name,
struct netdev_dev **netdev_devp)
}
static int
-netdev_tunnel_listen(struct netdev *netdev_ OVS_UNUSED)
-{
+netdev_tunnel_rx_open(struct netdev *netdev_, struct netdev_rx **rxp)
+{
+ struct netdev_dev_tunnel *netdev_dev =
+ netdev_dev_tunnel_cast(netdev_get_dev(netdev_));
+ struct netdev_rx_tunnel *rx;
+ rx = xmalloc(sizeof *rx);
+ netdev_rx_init(&rx->up, netdev_get_dev(netdev_), &netdev_rx_tunnel_class);
+ rx->fd = netdev_dev->sockfd;
+ *rxp = &rx->up;
return 0;
}
+static void
+netdev_rx_tunnel_destroy(struct netdev_rx *rx_)
+{
+ struct netdev_rx_tunnel *rx = netdev_rx_tunnel_cast(rx_);
+ free(rx);
+}
+
static int
-netdev_tunnel_recv(struct netdev *netdev_, void *buffer, size_t size)
+netdev_rx_tunnel_recv(struct netdev_rx *rx_, void *buffer, size_t size)
{
- struct netdev_dev_tunnel *dev =
- netdev_dev_tunnel_cast(netdev_get_dev(netdev_));
- if (!dev->connected)
+ struct netdev_rx_tunnel *rx = netdev_rx_tunnel_cast(rx_);
+ struct netdev_dev_tunnel *netdev_dev =
+ netdev_dev_tunnel_cast(rx_->netdev_dev);
+ if (!netdev_dev->connected)
return -EAGAIN;
for (;;) {
ssize_t retval;
- retval = recv(dev->sockfd, buffer, size, MSG_TRUNC);
- VLOG_DBG("%s: recv(%"PRIxPTR", %"PRIu64", MSG_TRUNC) = %"PRId64,
- netdev_get_name(netdev_), (uintptr_t)buffer, size, retval);
+ retval = recv(rx->fd, buffer, size, MSG_TRUNC);
+ VLOG_DBG("%s: recv(%"PRIxPTR", %zu, MSG_TRUNC) = %zd",
+ netdev_rx_get_name(rx_), (uintptr_t)buffer, size, retval);
if (retval >= 0) {
- dev->stats.rx_packets++;
- dev->stats.rx_bytes += retval;
+ netdev_dev->stats.rx_packets++;
+ netdev_dev->stats.rx_bytes += retval;
if (retval <= size) {
- return retval;
- } else {
- dev->stats.rx_errors++;
- dev->stats.rx_length_errors++;
- return -EMSGSIZE;
- }
+ return retval;
+ } else {
+ netdev_dev->stats.rx_errors++;
+ netdev_dev->stats.rx_length_errors++;
+ return -EMSGSIZE;
+ }
} else if (errno != EINTR) {
if (errno != EAGAIN) {
VLOG_WARN_RL(&rl, "error receiveing Ethernet packet on %s: %s",
- netdev_get_name(netdev_), strerror(errno));
- dev->stats.rx_errors++;
+ netdev_rx_get_name(rx_), strerror(errno));
+ netdev_dev->stats.rx_errors++;
}
return -errno;
}
}
static void
-netdev_tunnel_recv_wait(struct netdev *netdev_)
+netdev_rx_tunnel_wait(struct netdev_rx *rx_)
{
- struct netdev_dev_tunnel *dev =
- netdev_dev_tunnel_cast(netdev_get_dev(netdev_));
- if (dev->sockfd >= 0) {
- poll_fd_wait(dev->sockfd, POLLIN);
+ struct netdev_rx_tunnel *rx =
+ netdev_rx_tunnel_cast(rx_);
+ if (rx->fd >= 0) {
+ poll_fd_wait(rx->fd, POLLIN);
}
}
for (;;) {
ssize_t retval;
retval = send(dev->sockfd, buffer, size, 0);
- VLOG_DBG("%s: send(%"PRIxPTR", %"PRIu64") = %"PRId64,
+ VLOG_DBG("%s: send(%"PRIxPTR", %zu) = %zd",
netdev_get_name(netdev_), (uintptr_t)buffer, size, retval);
if (retval >= 0) {
dev->stats.tx_packets++;
dev->stats.tx_bytes += retval;
if (retval != size) {
- VLOG_WARN_RL(&rl, "sent partial Ethernet packet (%"PRId64" bytes of "
- "%"PRIu64") on %s", retval, size, netdev_get_name(netdev_));
+ VLOG_WARN_RL(&rl, "sent partial Ethernet packet (%zd bytes of "
+ "%zu) on %s", retval, size, netdev_get_name(netdev_));
dev->stats.tx_errors++;
}
return 0;
}
static int
-netdev_tunnel_drain(struct netdev *netdev_)
+netdev_rx_tunnel_drain(struct netdev_rx *rx_)
{
- struct netdev_dev_tunnel *dev =
- netdev_dev_tunnel_cast(netdev_get_dev(netdev_));
+ struct netdev_dev_tunnel *netdev_dev =
+ netdev_dev_tunnel_cast(rx_->netdev_dev);
+ struct netdev_rx_tunnel *rx =
+ netdev_rx_tunnel_cast(rx_);
char buffer[128];
int error;
- if (!dev->connected)
+ if (!netdev_dev->connected)
return 0;
for (;;) {
- error = recv(dev->sockfd, buffer, 128, MSG_TRUNC);
+ error = recv(rx->fd, buffer, 128, MSG_TRUNC);
if (error) {
if (error == -EAGAIN)
break;
}
static int
-netdev_tunnel_update_flags(struct netdev *netdev,
+netdev_tunnel_update_flags(struct netdev_dev *dev_,
enum netdev_flags off, enum netdev_flags on,
enum netdev_flags *old_flagsp)
{
- struct netdev_dev_tunnel *dev =
- netdev_dev_tunnel_cast(netdev_get_dev(netdev));
+ struct netdev_dev_tunnel *netdev_dev =
+ netdev_dev_tunnel_cast(dev_);
if ((off | on) & ~(NETDEV_UP | NETDEV_PROMISC)) {
return EINVAL;
}
- // XXX should we actually do something with this flags?
- *old_flagsp = dev->flags;
- dev->flags |= on;
- dev->flags &= ~off;
- if (*old_flagsp != dev->flags) {
- netdev_tunnel_update_seq(dev);
+ // XXX should we actually do something with these flags?
+ *old_flagsp = netdev_dev->flags;
+ netdev_dev->flags |= on;
+ netdev_dev->flags &= ~off;
+ if (*old_flagsp != netdev_dev->flags) {
+ netdev_tunnel_update_seq(netdev_dev);
}
return 0;
}
netdev_tunnel_destroy,
netdev_tunnel_get_config,
netdev_tunnel_set_config,
- NULL, /* get_tunnel_config */
+ NULL, /* get_tunnel_config */
netdev_tunnel_open,
netdev_tunnel_close,
- netdev_tunnel_listen,
- netdev_tunnel_recv,
- netdev_tunnel_recv_wait,
- netdev_tunnel_drain,
+ netdev_tunnel_rx_open,
netdev_tunnel_send,
netdev_tunnel_send_wait,
netdev_tunnel_set_etheraddr,
netdev_tunnel_get_etheraddr,
- NULL, /* get_mtu */
- NULL, /* set_mtu */
+ NULL, /* get_mtu */
+ NULL, /* set_mtu */
NULL, /* get_ifindex */
- NULL, /* get_carrier */
+ NULL, /* get_carrier */
NULL, /* get_carrier_resets */
NULL, /* get_miimon */
netdev_tunnel_get_stats,
netdev_tunnel_change_seq
};
+
+
+static const struct netdev_rx_class netdev_rx_tunnel_class = {
+ netdev_rx_tunnel_destroy,
+ netdev_rx_tunnel_recv,
+ netdev_rx_tunnel_wait,
+ netdev_rx_tunnel_drain,
+};
+