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Diffstat (limited to 'src/vnet/vxlan/vxlan.c')
-rw-r--r--src/vnet/vxlan/vxlan.c50
1 files changed, 30 insertions, 20 deletions
diff --git a/src/vnet/vxlan/vxlan.c b/src/vnet/vxlan/vxlan.c
index 0d5337ea146..93a4e263579 100644
--- a/src/vnet/vxlan/vxlan.c
+++ b/src/vnet/vxlan/vxlan.c
@@ -367,9 +367,8 @@ int vnet_vxlan_add_del_tunnel
(vnet_vxlan_add_del_tunnel_args_t * a, u32 * sw_if_indexp)
{
vxlan_main_t *vxm = &vxlan_main;
- vxlan_tunnel_t *t = 0;
vnet_main_t *vnm = vxm->vnet_main;
- u64 *p;
+ vxlan_decap_info_t *p;
u32 sw_if_index = ~0;
vxlan4_tunnel_key_t key4;
vxlan6_tunnel_key_t key6;
@@ -378,12 +377,15 @@ int vnet_vxlan_add_del_tunnel
int not_found;
if (!is_ip6)
{
- key4.key[0] = a->dst.ip4.as_u32;
+ /* ip4 mcast is indexed by mcast addr only */
+ key4.key[0] = ip46_address_is_multicast (&a->dst) ?
+ a->dst.ip4.as_u32 :
+ a->dst.ip4.as_u32 | (((u64) a->src.ip4.as_u32) << 32);
key4.key[1] = (((u64) a->encap_fib_index) << 32)
| clib_host_to_net_u32 (a->vni << 8);
not_found =
clib_bihash_search_inline_16_8 (&vxm->vxlan4_tunnel_by_key, &key4);
- p = &key4.value;
+ p = (void *) &key4.value;
}
else
{
@@ -393,7 +395,7 @@ int vnet_vxlan_add_del_tunnel
| clib_host_to_net_u32 (a->vni << 8);
not_found =
clib_bihash_search_inline_24_8 (&vxm->vxlan6_tunnel_by_key, &key6);
- p = &key6.value;
+ p = (void *) &key6.value;
}
if (not_found)
@@ -415,6 +417,7 @@ int vnet_vxlan_add_del_tunnel
if (!vxlan_decap_next_is_valid (vxm, is_ip6, a->decap_next_index))
return VNET_API_ERROR_INVALID_DECAP_NEXT;
+ vxlan_tunnel_t *t;
pool_get_aligned (vxm->tunnels, t, CLIB_CACHE_LINE_BYTES);
memset (t, 0, sizeof (*t));
dev_instance = t - vxm->tunnels;
@@ -442,6 +445,18 @@ int vnet_vxlan_add_del_tunnel
t->user_instance = user_instance; /* name */
t->flow_index = ~0;
+ t->hw_if_index = vnet_register_interface
+ (vnm, vxlan_device_class.index, dev_instance,
+ vxlan_hw_class.index, dev_instance);
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, t->hw_if_index);
+
+ /* Set vxlan tunnel output node */
+ u32 encap_index = !is_ip6 ?
+ vxlan4_encap_node.index : vxlan6_encap_node.index;
+ vnet_set_interface_output_node (vnm, t->hw_if_index, encap_index);
+
+ t->sw_if_index = sw_if_index = hi->sw_if_index;
+
/* copy the key */
int add_failed;
if (is_ip6)
@@ -452,29 +467,24 @@ int vnet_vxlan_add_del_tunnel
}
else
{
- key4.value = (u64) dev_instance;
+ vxlan_decap_info_t di = {.sw_if_index = t->sw_if_index, };
+ if (ip46_address_is_multicast (&t->dst))
+ di.local_ip = t->src.ip4;
+ else
+ di.next_index = t->decap_next_index;
+ key4.value = di.as_u64;
add_failed = clib_bihash_add_del_16_8 (&vxm->vxlan4_tunnel_by_key,
&key4, 1 /*add */ );
}
if (add_failed)
{
+ vnet_delete_hw_interface (vnm, t->hw_if_index);
+ hash_unset (vxm->instance_used, t->user_instance);
pool_put (vxm->tunnels, t);
return VNET_API_ERROR_INVALID_REGISTRATION;
}
- t->hw_if_index = vnet_register_interface
- (vnm, vxlan_device_class.index, dev_instance,
- vxlan_hw_class.index, dev_instance);
- vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, t->hw_if_index);
-
- /* Set vxlan tunnel output node */
- u32 encap_index = !is_ip6 ?
- vxlan4_encap_node.index : vxlan6_encap_node.index;
- vnet_set_interface_output_node (vnm, t->hw_if_index, encap_index);
-
- t->sw_if_index = sw_if_index = hi->sw_if_index;
-
vec_validate_init_empty (vxm->tunnel_index_by_sw_if_index, sw_if_index,
~0);
vxm->tunnel_index_by_sw_if_index[sw_if_index] = dev_instance;
@@ -589,8 +599,8 @@ int vnet_vxlan_add_del_tunnel
if (!p)
return VNET_API_ERROR_NO_SUCH_ENTRY;
- u32 instance = p[0];
- t = pool_elt_at_index (vxm->tunnels, instance);
+ u32 instance = vxm->tunnel_index_by_sw_if_index[p->sw_if_index];
+ vxlan_tunnel_t *t = pool_elt_at_index (vxm->tunnels, instance);
sw_if_index = t->sw_if_index;
vnet_sw_interface_set_flags (vnm, sw_if_index, 0 /* down */ );