VLOG_DEFINE_THIS_MODULE(netdev_vport);
-/* Default to the OTV port, per the VXLAN IETF draft. */
-#define VXLAN_DST_PORT 8472
+#define VXLAN_DST_PORT 4789
+#define LISP_DST_PORT 4341
#define DEFAULT_TTL 64
-struct netdev_dev_vport {
- struct netdev_dev netdev_dev;
+struct netdev_vport {
+ struct netdev up;
unsigned int change_seq;
uint8_t etheraddr[ETH_ADDR_LEN];
struct netdev_stats stats;
};
static int netdev_vport_create(const struct netdev_class *, const char *,
- struct netdev_dev **);
-static int get_patch_config(struct netdev_dev *, struct smap *args);
-static void netdev_vport_poll_notify(struct netdev_dev_vport *);
+ struct netdev **);
+static int get_patch_config(const struct netdev *, struct smap *args);
+static int get_tunnel_config(const struct netdev *, struct smap *args);
+static void netdev_vport_poll_notify(struct netdev_vport *);
static bool
is_vport_class(const struct netdev_class *class)
return CONTAINER_OF(class, struct vport_class, netdev_class);
}
-static struct netdev_dev_vport *
-netdev_dev_vport_cast(const struct netdev_dev *netdev_dev)
+static struct netdev_vport *
+netdev_vport_cast(const struct netdev *netdev)
{
- ovs_assert(is_vport_class(netdev_dev_get_class(netdev_dev)));
- return CONTAINER_OF(netdev_dev, struct netdev_dev_vport, netdev_dev);
-}
-
-static struct netdev_dev_vport *
-netdev_vport_get_dev(const struct netdev *netdev)
-{
- return netdev_dev_vport_cast(netdev_get_dev(netdev));
+ ovs_assert(is_vport_class(netdev_get_class(netdev)));
+ return CONTAINER_OF(netdev, struct netdev_vport, up);
}
static const struct netdev_tunnel_config *
-get_netdev_tunnel_config(const struct netdev_dev *netdev_dev)
+get_netdev_tunnel_config(const struct netdev *netdev)
{
- return &netdev_dev_vport_cast(netdev_dev)->tnl_cfg;
+ return &netdev_vport_cast(netdev)->tnl_cfg;
}
bool
netdev_vport_is_patch(const struct netdev *netdev)
{
- const struct netdev_dev *dev = netdev_get_dev(netdev);
- const struct netdev_class *class = netdev_dev_get_class(dev);
+ const struct netdev_class *class = netdev_get_class(netdev);
return class->get_config == get_patch_config;
}
+static bool
+netdev_vport_needs_dst_port(const struct netdev *dev)
+{
+ const struct netdev_class *class = netdev_get_class(dev);
+ const char *type = netdev_get_type(dev);
+
+ return (class->get_config == get_tunnel_config &&
+ (!strcmp("vxlan", type) || !strcmp("lisp", type)));
+}
+
const char *
-netdev_vport_get_dpif_port(const struct netdev *netdev)
+netdev_vport_class_get_dpif_port(const struct netdev_class *class)
{
- const struct netdev_dev *dev = netdev_get_dev(netdev);
- const struct netdev_class *class = netdev_dev_get_class(dev);
- const char *dpif_port;
+ return is_vport_class(class) ? vport_class_cast(class)->dpif_port : NULL;
+}
- dpif_port = (is_vport_class(class)
- ? vport_class_cast(class)->dpif_port
- : NULL);
- return dpif_port ? dpif_port : netdev_get_name(netdev);
+const char *
+netdev_vport_get_dpif_port(const struct netdev *netdev,
+ char namebuf[], size_t bufsize)
+{
+ if (netdev_vport_needs_dst_port(netdev)) {
+ const struct netdev_vport *vport = netdev_vport_cast(netdev);
+ const char *type = netdev_get_type(netdev);
+
+ /*
+ * Note: IFNAMSIZ is 16 bytes long. The maximum length of a VXLAN
+ * or LISP port name below is 15 or 14 bytes respectively. Still,
+ * assert here on the size of strlen(type) in case that changes
+ * in the future.
+ */
+ BUILD_ASSERT(NETDEV_VPORT_NAME_BUFSIZE >= IFNAMSIZ);
+ ovs_assert(strlen(type) + 10 < IFNAMSIZ);
+ snprintf(namebuf, bufsize, "%s_sys_%d", type,
+ ntohs(vport->tnl_cfg.dst_port));
+ return namebuf;
+ } else {
+ const struct netdev_class *class = netdev_get_class(netdev);
+ const char *dpif_port = netdev_vport_class_get_dpif_port(class);
+ return dpif_port ? dpif_port : netdev_get_name(netdev);
+ }
+}
+
+char *
+netdev_vport_get_dpif_port_strdup(const struct netdev *netdev)
+{
+ char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
+
+ return xstrdup(netdev_vport_get_dpif_port(netdev, namebuf,
+ sizeof namebuf));
}
static int
netdev_vport_create(const struct netdev_class *netdev_class, const char *name,
- struct netdev_dev **netdev_devp)
+ struct netdev **netdevp)
{
- struct netdev_dev_vport *dev;
+ struct netdev_vport *dev;
dev = xzalloc(sizeof *dev);
- netdev_dev_init(&dev->netdev_dev, name, netdev_class);
+ netdev_init(&dev->up, name, netdev_class);
dev->change_seq = 1;
eth_addr_random(dev->etheraddr);
- *netdev_devp = &dev->netdev_dev;
+ *netdevp = &dev->up;
route_table_register();
return 0;
}
static void
-netdev_vport_destroy(struct netdev_dev *netdev_dev_)
+netdev_vport_destroy(struct netdev *netdev_)
{
- struct netdev_dev_vport *netdev_dev = netdev_dev_vport_cast(netdev_dev_);
+ struct netdev_vport *netdev = netdev_vport_cast(netdev_);
route_table_unregister();
- free(netdev_dev->peer);
- free(netdev_dev);
-}
-
-static int
-netdev_vport_open(struct netdev_dev *netdev_dev, struct netdev **netdevp)
-{
- *netdevp = xmalloc(sizeof **netdevp);
- netdev_init(*netdevp, netdev_dev);
- return 0;
-}
-
-static void
-netdev_vport_close(struct netdev *netdev)
-{
+ free(netdev->peer);
free(netdev);
}
static int
-netdev_vport_set_etheraddr(struct netdev *netdev,
+netdev_vport_set_etheraddr(struct netdev *netdev_,
const uint8_t mac[ETH_ADDR_LEN])
{
- struct netdev_dev_vport *dev = netdev_vport_get_dev(netdev);
- memcpy(dev->etheraddr, mac, ETH_ADDR_LEN);
- netdev_vport_poll_notify(dev);
+ struct netdev_vport *netdev = netdev_vport_cast(netdev_);
+ memcpy(netdev->etheraddr, mac, ETH_ADDR_LEN);
+ netdev_vport_poll_notify(netdev);
return 0;
}
netdev_vport_get_etheraddr(const struct netdev *netdev,
uint8_t mac[ETH_ADDR_LEN])
{
- memcpy(mac, netdev_vport_get_dev(netdev)->etheraddr, ETH_ADDR_LEN);
+ memcpy(mac, netdev_vport_cast(netdev)->etheraddr, ETH_ADDR_LEN);
return 0;
}
static int
tunnel_get_status(const struct netdev *netdev, struct smap *smap)
{
- static char iface[IFNAMSIZ];
+ char iface[IFNAMSIZ];
ovs_be32 route;
- route = netdev_vport_get_dev(netdev)->tnl_cfg.ip_dst;
+ route = netdev_vport_cast(netdev)->tnl_cfg.ip_dst;
if (route_table_get_name(route, iface)) {
struct netdev *egress_netdev;
static int
netdev_vport_update_flags(struct netdev *netdev OVS_UNUSED,
- enum netdev_flags off, enum netdev_flags on OVS_UNUSED,
- enum netdev_flags *old_flagsp)
+ enum netdev_flags off,
+ enum netdev_flags on OVS_UNUSED,
+ enum netdev_flags *old_flagsp)
{
if (off & (NETDEV_UP | NETDEV_PROMISC)) {
return EOPNOTSUPP;
static unsigned int
netdev_vport_change_seq(const struct netdev *netdev)
{
- return netdev_vport_get_dev(netdev)->change_seq;
+ return netdev_vport_cast(netdev)->change_seq;
}
static void
/* Helper functions. */
static void
-netdev_vport_poll_notify(struct netdev_dev_vport *ndv)
+netdev_vport_poll_notify(struct netdev_vport *ndv)
{
ndv->change_seq++;
if (!ndv->change_seq) {
}
static int
-set_tunnel_config(struct netdev_dev *dev_, const struct smap *args)
+set_tunnel_config(struct netdev *dev_, const struct smap *args)
{
- struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
- const char *name = netdev_dev_get_name(dev_);
- const char *type = netdev_dev_get_type(dev_);
+ struct netdev_vport *dev = netdev_vport_cast(dev_);
+ const char *name = netdev_get_name(dev_);
+ const char *type = netdev_get_type(dev_);
bool ipsec_mech_set, needs_dst_port, has_csum;
struct netdev_tunnel_config tnl_cfg;
struct smap_node *node;
ipsec_mech_set = false;
memset(&tnl_cfg, 0, sizeof tnl_cfg);
- if (!strcmp(type, "capwap")) {
- VLOG_WARN_ONCE("CAPWAP tunnel support is deprecated.");
- }
-
- needs_dst_port = !strcmp(type, "vxlan");
+ needs_dst_port = netdev_vport_needs_dst_port(dev_);
tnl_cfg.ipsec = strstr(type, "ipsec");
tnl_cfg.dont_fragment = true;
SMAP_FOR_EACH (node, args) {
if (!strcmp(node->key, "remote_ip")) {
struct in_addr in_addr;
- if (lookup_ip(node->value, &in_addr)) {
+ if (!strcmp(node->value, "flow")) {
+ tnl_cfg.ip_dst_flow = true;
+ tnl_cfg.ip_dst = htonl(0);
+ } else if (lookup_ip(node->value, &in_addr)) {
VLOG_WARN("%s: bad %s 'remote_ip'", name, type);
+ } else if (ip_is_multicast(in_addr.s_addr)) {
+ VLOG_WARN("%s: multicast remote_ip="IP_FMT" not allowed",
+ name, IP_ARGS(in_addr.s_addr));
+ return EINVAL;
} else {
tnl_cfg.ip_dst = in_addr.s_addr;
}
} else if (!strcmp(node->key, "local_ip")) {
struct in_addr in_addr;
- if (lookup_ip(node->value, &in_addr)) {
+ if (!strcmp(node->value, "flow")) {
+ tnl_cfg.ip_src_flow = true;
+ tnl_cfg.ip_src = htonl(0);
+ } else if (lookup_ip(node->value, &in_addr)) {
VLOG_WARN("%s: bad %s 'local_ip'", name, type);
} else {
tnl_cfg.ip_src = in_addr.s_addr;
}
/* Add a default destination port for VXLAN if none specified. */
- if (needs_dst_port && !tnl_cfg.dst_port) {
+ if (!strcmp(type, "vxlan") && !tnl_cfg.dst_port) {
tnl_cfg.dst_port = htons(VXLAN_DST_PORT);
}
+ /* Add a default destination port for LISP if none specified. */
+ if (!strcmp(type, "lisp") && !tnl_cfg.dst_port) {
+ tnl_cfg.dst_port = htons(LISP_DST_PORT);
+ }
+
if (tnl_cfg.ipsec) {
static pid_t pid = 0;
if (pid <= 0) {
}
}
- if (!tnl_cfg.ip_dst) {
+ if (!tnl_cfg.ip_dst && !tnl_cfg.ip_dst_flow) {
VLOG_ERR("%s: %s type requires valid 'remote_ip' argument",
name, type);
return EINVAL;
}
-
- if (tnl_cfg.ip_src) {
- if (ip_is_multicast(tnl_cfg.ip_dst)) {
- VLOG_WARN("%s: remote_ip is multicast, ignoring local_ip", name);
- tnl_cfg.ip_src = 0;
- }
+ if (tnl_cfg.ip_src_flow && !tnl_cfg.ip_dst_flow) {
+ VLOG_ERR("%s: %s type requires 'remote_ip=flow' with 'local_ip=flow'",
+ name, type);
+ return EINVAL;
}
-
if (!tnl_cfg.ttl) {
tnl_cfg.ttl = DEFAULT_TTL;
}
}
static int
-get_tunnel_config(struct netdev_dev *dev, struct smap *args)
+get_tunnel_config(const struct netdev *dev, struct smap *args)
{
const struct netdev_tunnel_config *tnl_cfg =
- &netdev_dev_vport_cast(dev)->tnl_cfg;
+ &netdev_vport_cast(dev)->tnl_cfg;
if (tnl_cfg->ip_dst) {
smap_add_format(args, "remote_ip", IP_FMT, IP_ARGS(tnl_cfg->ip_dst));
+ } else if (tnl_cfg->ip_dst_flow) {
+ smap_add(args, "remote_ip", "flow");
}
if (tnl_cfg->ip_src) {
smap_add_format(args, "local_ip", IP_FMT, IP_ARGS(tnl_cfg->ip_src));
+ } else if (tnl_cfg->ip_src_flow) {
+ smap_add(args, "local_ip", "flow");
}
if (tnl_cfg->in_key_flow && tnl_cfg->out_key_flow) {
if (tnl_cfg->dst_port) {
uint16_t dst_port = ntohs(tnl_cfg->dst_port);
- if (dst_port != VXLAN_DST_PORT) {
+ const char *type = netdev_get_type(dev);
+
+ if ((!strcmp("vxlan", type) && dst_port != VXLAN_DST_PORT) ||
+ (!strcmp("lisp", type) && dst_port != LISP_DST_PORT)) {
smap_add_format(args, "dst_port", "%d", dst_port);
}
}
const char *
netdev_vport_patch_peer(const struct netdev *netdev)
{
- return netdev_vport_is_patch(netdev)
- ? netdev_vport_get_dev(netdev)->peer
- : NULL;
+ return (netdev_vport_is_patch(netdev)
+ ? netdev_vport_cast(netdev)->peer
+ : NULL);
}
void
netdev_vport_inc_rx(const struct netdev *netdev,
const struct dpif_flow_stats *stats)
{
- if (is_vport_class(netdev_dev_get_class(netdev_get_dev(netdev)))) {
- struct netdev_dev_vport *dev = netdev_vport_get_dev(netdev);
+ if (is_vport_class(netdev_get_class(netdev))) {
+ struct netdev_vport *dev = netdev_vport_cast(netdev);
dev->stats.rx_packets += stats->n_packets;
dev->stats.rx_bytes += stats->n_bytes;
}
netdev_vport_inc_tx(const struct netdev *netdev,
const struct dpif_flow_stats *stats)
{
- if (is_vport_class(netdev_dev_get_class(netdev_get_dev(netdev)))) {
- struct netdev_dev_vport *dev = netdev_vport_get_dev(netdev);
+ if (is_vport_class(netdev_get_class(netdev))) {
+ struct netdev_vport *dev = netdev_vport_cast(netdev);
dev->stats.tx_packets += stats->n_packets;
dev->stats.tx_bytes += stats->n_bytes;
}
}
static int
-get_patch_config(struct netdev_dev *dev_, struct smap *args)
+get_patch_config(const struct netdev *dev_, struct smap *args)
{
- struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
+ struct netdev_vport *dev = netdev_vport_cast(dev_);
if (dev->peer) {
smap_add(args, "peer", dev->peer);
}
static int
-set_patch_config(struct netdev_dev *dev_, const struct smap *args)
+set_patch_config(struct netdev *dev_, const struct smap *args)
{
- struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
- const char *name = netdev_dev_get_name(dev_);
+ struct netdev_vport *dev = netdev_vport_cast(dev_);
+ const char *name = netdev_get_name(dev_);
const char *peer;
peer = smap_get(args, "peer");
free(dev->peer);
dev->peer = xstrdup(peer);
-
+ netdev_vport_poll_notify(dev);
return 0;
}
static int
get_stats(const struct netdev *netdev, struct netdev_stats *stats)
{
- struct netdev_dev_vport *dev = netdev_vport_get_dev(netdev);
+ struct netdev_vport *dev = netdev_vport_cast(netdev);
memcpy(stats, &dev->stats, sizeof *stats);
return 0;
}
SET_CONFIG, \
GET_TUNNEL_CONFIG, \
\
- netdev_vport_open, \
- netdev_vport_close, \
- \
- NULL, /* listen */ \
- NULL, /* recv */ \
- NULL, /* recv_wait */ \
- NULL, /* drain */ \
+ NULL, /* rx_open */ \
\
NULL, /* send */ \
NULL, /* send_wait */ \
TUNNEL_CLASS("ipsec_gre", "gre_system"),
TUNNEL_CLASS("gre64", "gre64_system"),
TUNNEL_CLASS("ipsec_gre64", "gre64_system"),
- TUNNEL_CLASS("capwap", "capwap_system"),
- TUNNEL_CLASS("vxlan", "vxlan_system")
+ TUNNEL_CLASS("vxlan", "vxlan_system"),
+ TUNNEL_CLASS("lisp", "lisp_system")
};
+ static bool inited;
int i;
- for (i = 0; i < ARRAY_SIZE(vport_classes); i++) {
- netdev_register_provider(&vport_classes[i].netdev_class);
+ if (!inited) {
+ inited = true;
+ for (i = 0; i < ARRAY_SIZE(vport_classes); i++) {
+ netdev_register_provider(&vport_classes[i].netdev_class);
+ }
}
}