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Diffstat (limited to 'src/vnet/vxlan-gpe/decap.c')
-rw-r--r--src/vnet/vxlan-gpe/decap.c435
1 files changed, 184 insertions, 251 deletions
diff --git a/src/vnet/vxlan-gpe/decap.c b/src/vnet/vxlan-gpe/decap.c
index 035e8a3fd6a..62513614389 100644
--- a/src/vnet/vxlan-gpe/decap.c
+++ b/src/vnet/vxlan-gpe/decap.c
@@ -79,10 +79,106 @@ format_vxlan_gpe_with_length (u8 * s, va_list * args)
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
-
return s;
}
+typedef struct
+{
+ vxlan4_gpe_tunnel_key_t key;
+ vxlan_gpe_decap_info_t val;
+} vxlan4_gpe_tunnel_cache_t;
+
+static const vxlan_gpe_decap_info_t decap_not_found = {
+ .tunnel_index = ~0,
+ .next_index = VXLAN_GPE_INPUT_NEXT_DROP,
+ .error = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL
+};
+
+always_inline vxlan_gpe_decap_info_t
+vxlan4_gpe_find_tunnel (vxlan_gpe_main_t *nngm,
+ vxlan4_gpe_tunnel_cache_t *cache,
+ ip4_vxlan_gpe_header_t *iuvn4_0)
+{
+ /* Make sure VXLAN GPE tunnel exist according to packet S/D IP, UDP port and
+ * VNI */
+ vxlan4_gpe_tunnel_key_t key4 = {
+ .local = iuvn4_0->ip4.dst_address.as_u32,
+ .remote = iuvn4_0->ip4.src_address.as_u32,
+ .vni = iuvn4_0->vxlan.vni_res,
+ .port = (u32) iuvn4_0->udp.dst_port,
+ };
+
+ if (PREDICT_TRUE (key4.as_u64[0] == cache->key.as_u64[0] &&
+ key4.as_u64[1] == cache->key.as_u64[1]))
+ {
+ /* cache hit */
+ return cache->val;
+ }
+
+ uword *p = hash_get_mem (nngm->vxlan4_gpe_tunnel_by_key, &key4);
+ if (PREDICT_TRUE (p != 0))
+ {
+ u32 next = (iuvn4_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ?
+ nngm->decap_next_node_list[iuvn4_0->vxlan.protocol] :
+ VXLAN_GPE_INPUT_NEXT_DROP;
+
+ cache->key.as_u64[0] = key4.as_u64[0];
+ cache->key.as_u64[1] = key4.as_u64[1];
+
+ cache->val.error = 0;
+ cache->val.tunnel_index = p[0];
+ cache->val.next_index = next;
+
+ return cache->val;
+ }
+
+ return decap_not_found;
+}
+
+typedef struct
+{
+ vxlan6_gpe_tunnel_key_t key;
+ vxlan_gpe_decap_info_t val;
+} vxlan6_gpe_tunnel_cache_t;
+
+always_inline vxlan_gpe_decap_info_t
+vxlan6_gpe_find_tunnel (vxlan_gpe_main_t *nngm,
+ vxlan6_gpe_tunnel_cache_t *cache,
+ ip6_vxlan_gpe_header_t *iuvn6_0)
+{
+ /* Make sure VXLAN GPE tunnel exist according to packet S/D IP, UDP port and
+ * VNI */
+ vxlan6_gpe_tunnel_key_t key6;
+
+ ip6_address_copy (&key6.local, &iuvn6_0->ip6.dst_address);
+ ip6_address_copy (&key6.remote, &iuvn6_0->ip6.src_address);
+ key6.vni = iuvn6_0->vxlan.vni_res;
+ key6.port = iuvn6_0->udp.dst_port;
+
+ if (PREDICT_TRUE (memcmp (&key6, &cache->key, sizeof (cache->key)) == 0))
+ {
+ /* cache hit */
+ return cache->val;
+ }
+
+ uword *p = hash_get_mem (nngm->vxlan6_gpe_tunnel_by_key, &key6);
+ if (PREDICT_TRUE (p != 0))
+ {
+ u32 next = (iuvn6_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ?
+ nngm->decap_next_node_list[iuvn6_0->vxlan.protocol] :
+ VXLAN_GPE_INPUT_NEXT_DROP;
+
+ clib_memcpy_fast (&cache->key, &key6, sizeof (key6));
+ cache->val.error = 0;
+ cache->val.tunnel_index = p[0];
+ cache->val.next_index = next;
+
+ return cache->val;
+ }
+
+ return decap_not_found;
+}
+
/**
* @brief Common processing for IPv4 and IPv6 VXLAN GPE decap dispatch functions
*
@@ -111,17 +207,16 @@ vxlan_gpe_input (vlib_main_t * vm,
vxlan_gpe_main_t *nngm = &vxlan_gpe_main;
vnet_main_t *vnm = nngm->vnet_main;
vnet_interface_main_t *im = &vnm->interface_main;
- u32 last_tunnel_index = ~0;
- vxlan4_gpe_tunnel_key_t last_key4;
- vxlan6_gpe_tunnel_key_t last_key6;
+ vxlan4_gpe_tunnel_cache_t last4;
+ vxlan6_gpe_tunnel_cache_t last6;
u32 pkts_decapsulated = 0;
u32 thread_index = vm->thread_index;
u32 stats_sw_if_index, stats_n_packets, stats_n_bytes;
if (is_ip4)
- clib_memset (&last_key4, 0xff, sizeof (last_key4));
+ clib_memset (&last4, 0xff, sizeof (last4));
else
- clib_memset (&last_key6, 0xff, sizeof (last_key6));
+ clib_memset (&last6, 0xff, sizeof (last6));
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
@@ -143,11 +238,8 @@ vxlan_gpe_input (vlib_main_t * vm,
u32 next0, next1;
ip4_vxlan_gpe_header_t *iuvn4_0, *iuvn4_1;
ip6_vxlan_gpe_header_t *iuvn6_0, *iuvn6_1;
- uword *p0, *p1;
- u32 tunnel_index0, tunnel_index1;
+ vxlan_gpe_decap_info_t di0, di1;
vxlan_gpe_tunnel_t *t0, *t1;
- vxlan4_gpe_tunnel_key_t key4_0, key4_1;
- vxlan6_gpe_tunnel_key_t key6_0, key6_1;
u32 error0, error1;
u32 sw_if_index0, sw_if_index1, len0, len1;
@@ -193,6 +285,9 @@ vxlan_gpe_input (vlib_main_t * vm,
/* pop (ip, udp, vxlan) */
vlib_buffer_advance (b0, sizeof (*iuvn4_0));
vlib_buffer_advance (b1, sizeof (*iuvn4_1));
+
+ di0 = vxlan4_gpe_find_tunnel (nngm, &last4, iuvn4_0);
+ di1 = vxlan4_gpe_find_tunnel (nngm, &last4, iuvn4_1);
}
else
{
@@ -210,125 +305,20 @@ vxlan_gpe_input (vlib_main_t * vm,
/* pop (ip, udp, vxlan) */
vlib_buffer_advance (b0, sizeof (*iuvn6_0));
vlib_buffer_advance (b1, sizeof (*iuvn6_1));
- }
- tunnel_index0 = ~0;
- tunnel_index1 = ~0;
- error0 = 0;
- error1 = 0;
-
- if (is_ip4)
- {
- next0 =
- (iuvn4_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ?
- nngm->decap_next_node_list[iuvn4_0->vxlan.protocol] :
- VXLAN_GPE_INPUT_NEXT_DROP;
- next1 =
- (iuvn4_1->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ?
- nngm->decap_next_node_list[iuvn4_1->vxlan.protocol] :
- VXLAN_GPE_INPUT_NEXT_DROP;
-
- key4_0.local = iuvn4_0->ip4.dst_address.as_u32;
- key4_1.local = iuvn4_1->ip4.dst_address.as_u32;
-
- key4_0.remote = iuvn4_0->ip4.src_address.as_u32;
- key4_1.remote = iuvn4_1->ip4.src_address.as_u32;
-
- key4_0.vni = iuvn4_0->vxlan.vni_res;
- key4_1.vni = iuvn4_1->vxlan.vni_res;
-
- key4_0.pad = 0;
- key4_1.pad = 0;
+ di0 = vxlan6_gpe_find_tunnel (nngm, &last6, iuvn6_0);
+ di1 = vxlan6_gpe_find_tunnel (nngm, &last6, iuvn6_1);
}
- else /* is_ip6 */
- {
- next0 = (iuvn6_0->vxlan.protocol < node->n_next_nodes) ?
- iuvn6_0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
- next1 = (iuvn6_1->vxlan.protocol < node->n_next_nodes) ?
- iuvn6_1->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
-
- key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0];
- key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1];
- key6_1.local.as_u64[0] = iuvn6_1->ip6.dst_address.as_u64[0];
- key6_1.local.as_u64[1] = iuvn6_1->ip6.dst_address.as_u64[1];
-
- key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0];
- key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1];
- key6_1.remote.as_u64[0] = iuvn6_1->ip6.src_address.as_u64[0];
- key6_1.remote.as_u64[1] = iuvn6_1->ip6.src_address.as_u64[1];
-
- key6_0.vni = iuvn6_0->vxlan.vni_res;
- key6_1.vni = iuvn6_1->vxlan.vni_res;
- }
-
- /* Processing packet 0 */
- if (is_ip4)
- {
- /* Processing for key4_0 */
- if (PREDICT_FALSE ((key4_0.as_u64[0] != last_key4.as_u64[0])
- || (key4_0.as_u64[1] !=
- last_key4.as_u64[1])))
- {
- p0 = hash_get_mem (nngm->vxlan4_gpe_tunnel_by_key, &key4_0);
-
- if (p0 == 0)
- {
- error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
- goto trace0;
- }
- last_key4.as_u64[0] = key4_0.as_u64[0];
- last_key4.as_u64[1] = key4_0.as_u64[1];
- tunnel_index0 = last_tunnel_index = p0[0];
- }
- else
- tunnel_index0 = last_tunnel_index;
- }
- else /* is_ip6 */
+ /* Process packet 0 */
+ next0 = di0.next_index;
+ error0 = di0.error;
+ if (error0 != 0)
{
- next0 =
- (iuvn6_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ?
- nngm->decap_next_node_list[iuvn6_0->vxlan.protocol] :
- VXLAN_GPE_INPUT_NEXT_DROP;
- next1 =
- (iuvn6_1->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ?
- nngm->decap_next_node_list[iuvn6_1->vxlan.protocol] :
- VXLAN_GPE_INPUT_NEXT_DROP;
-
- key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0];
- key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1];
- key6_1.local.as_u64[0] = iuvn6_1->ip6.dst_address.as_u64[0];
- key6_1.local.as_u64[1] = iuvn6_1->ip6.dst_address.as_u64[1];
-
- key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0];
- key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1];
- key6_1.remote.as_u64[0] = iuvn6_1->ip6.src_address.as_u64[0];
- key6_1.remote.as_u64[1] = iuvn6_1->ip6.src_address.as_u64[1];
-
- key6_0.vni = iuvn6_0->vxlan.vni_res;
- key6_1.vni = iuvn6_1->vxlan.vni_res;
-
- /* Processing for key6_0 */
- if (PREDICT_FALSE
- (memcmp (&key6_0, &last_key6, sizeof (last_key6)) != 0))
- {
- p0 = hash_get_mem (nngm->vxlan6_gpe_tunnel_by_key, &key6_0);
-
- if (p0 == 0)
- {
- error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
- goto trace0;
- }
-
- memcpy (&last_key6, &key6_0, sizeof (key6_0));
- tunnel_index0 = last_tunnel_index = p0[0];
- }
- else
- tunnel_index0 = last_tunnel_index;
+ goto trace0;
}
- t0 = pool_elt_at_index (nngm->tunnels, tunnel_index0);
-
+ t0 = pool_elt_at_index (nngm->tunnels, di0.tunnel_index);
sw_if_index0 = t0->sw_if_index;
len0 = vlib_buffer_length_in_chain (vm, b0);
@@ -372,54 +362,18 @@ vxlan_gpe_input (vlib_main_t * vm,
vlib_add_trace (vm, node, b0, sizeof (*tr));
tr->next_index = next0;
tr->error = error0;
- tr->tunnel_index = tunnel_index0;
+ tr->tunnel_index = di0.tunnel_index;
}
/* Process packet 1 */
- if (is_ip4)
+ next1 = di1.next_index;
+ error1 = di1.error;
+ if (error1 != 0)
{
- /* Processing for key4_1 */
- if (PREDICT_FALSE ((key4_1.as_u64[0] != last_key4.as_u64[0])
- || (key4_1.as_u64[1] !=
- last_key4.as_u64[1])))
- {
- p1 = hash_get_mem (nngm->vxlan4_gpe_tunnel_by_key, &key4_1);
-
- if (p1 == 0)
- {
- error1 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
- goto trace1;
- }
-
- last_key4.as_u64[0] = key4_1.as_u64[0];
- last_key4.as_u64[1] = key4_1.as_u64[1];
- tunnel_index1 = last_tunnel_index = p1[0];
- }
- else
- tunnel_index1 = last_tunnel_index;
+ goto trace1;
}
- else /* is_ip6 */
- {
- /* Processing for key6_1 */
- if (PREDICT_FALSE
- (memcmp (&key6_1, &last_key6, sizeof (last_key6)) != 0))
- {
- p1 = hash_get_mem (nngm->vxlan6_gpe_tunnel_by_key, &key6_1);
- if (p1 == 0)
- {
- error1 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
- goto trace1;
- }
-
- memcpy (&last_key6, &key6_1, sizeof (key6_1));
- tunnel_index1 = last_tunnel_index = p1[0];
- }
- else
- tunnel_index1 = last_tunnel_index;
- }
-
- t1 = pool_elt_at_index (nngm->tunnels, tunnel_index1);
+ t1 = pool_elt_at_index (nngm->tunnels, di1.tunnel_index);
sw_if_index1 = t1->sw_if_index;
len1 = vlib_buffer_length_in_chain (vm, b1);
@@ -466,7 +420,7 @@ vxlan_gpe_input (vlib_main_t * vm,
vlib_add_trace (vm, node, b1, sizeof (*tr));
tr->next_index = next1;
tr->error = error1;
- tr->tunnel_index = tunnel_index1;
+ tr->tunnel_index = di1.tunnel_index;
}
vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
@@ -481,11 +435,8 @@ vxlan_gpe_input (vlib_main_t * vm,
u32 next0;
ip4_vxlan_gpe_header_t *iuvn4_0;
ip6_vxlan_gpe_header_t *iuvn6_0;
- uword *p0;
- u32 tunnel_index0;
+ vxlan_gpe_decap_info_t di0;
vxlan_gpe_tunnel_t *t0;
- vxlan4_gpe_tunnel_key_t key4_0;
- vxlan6_gpe_tunnel_key_t key6_0;
u32 error0;
u32 sw_if_index0, len0;
@@ -509,6 +460,8 @@ vxlan_gpe_input (vlib_main_t * vm,
/* pop (ip, udp, vxlan) */
vlib_buffer_advance (b0, sizeof (*iuvn4_0));
+
+ di0 = vxlan4_gpe_find_tunnel (nngm, &last4, iuvn4_0);
}
else
{
@@ -521,77 +474,18 @@ vxlan_gpe_input (vlib_main_t * vm,
/* pop (ip, udp, vxlan) */
vlib_buffer_advance (b0, sizeof (*iuvn6_0));
- }
-
- tunnel_index0 = ~0;
- error0 = 0;
- if (is_ip4)
- {
- next0 =
- (iuvn4_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ?
- nngm->decap_next_node_list[iuvn4_0->vxlan.protocol] :
- VXLAN_GPE_INPUT_NEXT_DROP;
-
- key4_0.local = iuvn4_0->ip4.dst_address.as_u32;
- key4_0.remote = iuvn4_0->ip4.src_address.as_u32;
- key4_0.vni = iuvn4_0->vxlan.vni_res;
- key4_0.pad = 0;
-
- /* Processing for key4_0 */
- if (PREDICT_FALSE ((key4_0.as_u64[0] != last_key4.as_u64[0])
- || (key4_0.as_u64[1] !=
- last_key4.as_u64[1])))
- {
- p0 = hash_get_mem (nngm->vxlan4_gpe_tunnel_by_key, &key4_0);
-
- if (p0 == 0)
- {
- error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
- goto trace00;
- }
-
- last_key4.as_u64[0] = key4_0.as_u64[0];
- last_key4.as_u64[1] = key4_0.as_u64[1];
- tunnel_index0 = last_tunnel_index = p0[0];
+ di0 = vxlan6_gpe_find_tunnel (nngm, &last6, iuvn6_0);
}
- else
- tunnel_index0 = last_tunnel_index;
- }
- else /* is_ip6 */
- {
- next0 =
- (iuvn6_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ?
- nngm->decap_next_node_list[iuvn6_0->vxlan.protocol] :
- VXLAN_GPE_INPUT_NEXT_DROP;
-
- key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0];
- key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1];
- key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0];
- key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1];
- key6_0.vni = iuvn6_0->vxlan.vni_res;
-
- /* Processing for key6_0 */
- if (PREDICT_FALSE
- (memcmp (&key6_0, &last_key6, sizeof (last_key6)) != 0))
- {
- p0 = hash_get_mem (nngm->vxlan6_gpe_tunnel_by_key, &key6_0);
-
- if (p0 == 0)
- {
- error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL;
- goto trace00;
- }
- memcpy (&last_key6, &key6_0, sizeof (key6_0));
- tunnel_index0 = last_tunnel_index = p0[0];
- }
- else
- tunnel_index0 = last_tunnel_index;
+ next0 = di0.next_index;
+ error0 = di0.error;
+ if (error0 != 0)
+ {
+ goto trace00;
}
- t0 = pool_elt_at_index (nngm->tunnels, tunnel_index0);
-
+ t0 = pool_elt_at_index (nngm->tunnels, di0.tunnel_index);
sw_if_index0 = t0->sw_if_index;
len0 = vlib_buffer_length_in_chain (vm, b0);
@@ -637,7 +531,7 @@ vxlan_gpe_input (vlib_main_t * vm,
vlib_add_trace (vm, node, b0, sizeof (*tr));
tr->next_index = next0;
tr->error = error0;
- tr->tunnel_index = tunnel_index0;
+ tr->tunnel_index = di0.tunnel_index;
}
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, next0);
@@ -794,6 +688,9 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm,
matching a local VTEP address */
vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs;
+ vxlan4_gpe_tunnel_cache_t last4;
+ vxlan6_gpe_tunnel_cache_t last6;
+
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
next_index = node->cached_next_index;
@@ -804,9 +701,15 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm,
ip4_forward_next_trace (vm, node, frame, VLIB_TX);
if (is_ip4)
- vtep4_key_init (&last_vtep4);
+ {
+ vtep4_key_init (&last_vtep4);
+ clib_memset (&last4, 0xff, sizeof last4);
+ }
else
- vtep6_key_init (&last_vtep6);
+ {
+ vtep6_key_init (&last_vtep6);
+ clib_memset (&last6, 0xff, sizeof last6);
+ }
while (n_left_from > 0)
{
@@ -818,6 +721,9 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm,
ip4_header_t *ip40, *ip41;
ip6_header_t *ip60, *ip61;
udp_header_t *udp0, *udp1;
+ ip4_vxlan_gpe_header_t *iuvn4_0, *iuvn4_1;
+ ip6_vxlan_gpe_header_t *iuvn6_0, *iuvn6_1;
+ vxlan_gpe_decap_info_t di0, di1;
u32 bi0, ip_len0, udp_len0, flags0, next0;
u32 bi1, ip_len1, udp_len1, flags1, next1;
i32 len_diff0, len_diff1;
@@ -874,12 +780,20 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm,
goto exit0; /* not UDP packet */
if (is_ip4)
- udp0 = ip4_next_header (ip40);
+ {
+ udp0 = ip4_next_header (ip40);
+ iuvn4_0 = vlib_buffer_get_current (b0);
+ di0 = vxlan4_gpe_find_tunnel (ngm, &last4, iuvn4_0);
+ }
else
- udp0 = ip6_next_header (ip60);
+ {
+ udp0 = ip6_next_header (ip60);
+ iuvn6_0 = vlib_buffer_get_current (b0);
+ di0 = vxlan6_gpe_find_tunnel (ngm, &last6, iuvn6_0);
+ }
- if (udp0->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_VXLAN_GPE))
- goto exit0; /* not VXLAN packet */
+ if (PREDICT_FALSE (di0.tunnel_index == ~0))
+ goto exit0; /* unknown interface */
/* Validate DIP against VTEPs */
if (is_ip4)
@@ -957,12 +871,20 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm,
goto exit1; /* not UDP packet */
if (is_ip4)
- udp1 = ip4_next_header (ip41);
+ {
+ udp1 = ip4_next_header (ip41);
+ iuvn4_1 = vlib_buffer_get_current (b1);
+ di1 = vxlan4_gpe_find_tunnel (ngm, &last4, iuvn4_1);
+ }
else
- udp1 = ip6_next_header (ip61);
+ {
+ udp1 = ip6_next_header (ip61);
+ iuvn6_1 = vlib_buffer_get_current (b1);
+ di1 = vxlan6_gpe_find_tunnel (ngm, &last6, iuvn6_1);
+ }
- if (udp1->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_VXLAN_GPE))
- goto exit1; /* not VXLAN packet */
+ if (PREDICT_FALSE (di1.tunnel_index == ~0))
+ goto exit1; /* unknown interface */
/* Validate DIP against VTEPs */
if (is_ip4)
@@ -1046,6 +968,9 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm,
ip4_header_t *ip40;
ip6_header_t *ip60;
udp_header_t *udp0;
+ ip4_vxlan_gpe_header_t *iuvn4_0;
+ ip6_vxlan_gpe_header_t *iuvn6_0;
+ vxlan_gpe_decap_info_t di0;
u32 bi0, ip_len0, udp_len0, flags0, next0;
i32 len_diff0;
u8 error0, good_udp0, proto0;
@@ -1075,12 +1000,20 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm,
goto exit; /* not UDP packet */
if (is_ip4)
- udp0 = ip4_next_header (ip40);
+ {
+ udp0 = ip4_next_header (ip40);
+ iuvn4_0 = vlib_buffer_get_current (b0);
+ di0 = vxlan4_gpe_find_tunnel (ngm, &last4, iuvn4_0);
+ }
else
- udp0 = ip6_next_header (ip60);
+ {
+ udp0 = ip6_next_header (ip60);
+ iuvn6_0 = vlib_buffer_get_current (b0);
+ di0 = vxlan6_gpe_find_tunnel (ngm, &last6, iuvn6_0);
+ }
- if (udp0->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_VXLAN_GPE))
- goto exit; /* not VXLAN packet */
+ if (PREDICT_FALSE (di0.tunnel_index == ~0))
+ goto exit; /* unknown interface */
/* Validate DIP against VTEPs */