- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 bi0, bi1;
- vlib_buffer_t * b0, *b1;
- 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_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;
-
- /* Prefetch next iteration. */
- {
- vlib_buffer_t * p2, *p3;
-
- p2 = vlib_get_buffer (vm, from[2]);
- p3 = vlib_get_buffer (vm, from[3]);
-
- vlib_prefetch_buffer_header(p2, LOAD);
- vlib_prefetch_buffer_header(p3, LOAD);
-
- CLIB_PREFETCH(p2->data, 2*CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH(p3->data, 2*CLIB_CACHE_LINE_BYTES, LOAD);
- }
-
- bi0 = from[0];
- bi1 = from[1];
- to_next[0] = bi0;
- to_next[1] = bi1;
- from += 2;
- to_next += 2;
- n_left_to_next -= 2;
- n_left_from -= 2;
-
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
-
- if (is_ip4)
- {
- /* udp leaves current_data pointing at the vxlan-gpe header */
- vlib_buffer_advance (b0, -(word) (sizeof(udp_header_t) + sizeof(ip4_header_t)));
- vlib_buffer_advance (b1, -(word) (sizeof(udp_header_t) + sizeof(ip4_header_t)));
-
- iuvn4_0 = vlib_buffer_get_current (b0);
- iuvn4_1 = vlib_buffer_get_current (b1);
-
- /* pop (ip, udp, vxlan) */
- vlib_buffer_advance (b0, sizeof(*iuvn4_0));
- vlib_buffer_advance (b1, sizeof(*iuvn4_1));
- }
- else
- {
- /* udp leaves current_data pointing at the vxlan-gpe header */
- vlib_buffer_advance (b0, -(word) (sizeof(udp_header_t) + sizeof(ip6_header_t)));
- vlib_buffer_advance (b1, -(word) (sizeof(udp_header_t) + sizeof(ip6_header_t)));
-
- iuvn6_0 = vlib_buffer_get_current (b0);
- iuvn6_1 = vlib_buffer_get_current (b1);
-
- /* 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;
- }
- 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 */
- {
- 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;
- }
-
- t0 = pool_elt_at_index(nngm->tunnels, tunnel_index0);
-
-
- sw_if_index0 = t0->sw_if_index;
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- /* Required to make the l2 tag push / pop code work on l2 subifs */
- vnet_update_l2_len (b0);
+ while (n_left_from >= 4 && n_left_to_next >= 2)
+ {
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ 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_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;
+
+ /* Prefetch next iteration. */
+ {
+ vlib_buffer_t *p2, *p3;
+
+ p2 = vlib_get_buffer (vm, from[2]);
+ p3 = vlib_get_buffer (vm, from[3]);
+
+ vlib_prefetch_buffer_header (p2, LOAD);
+ vlib_prefetch_buffer_header (p3, LOAD);
+
+ CLIB_PREFETCH (p2->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (p3->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
+ }
+
+ bi0 = from[0];
+ bi1 = from[1];
+ to_next[0] = bi0;
+ to_next[1] = bi1;
+ from += 2;
+ to_next += 2;
+ n_left_to_next -= 2;
+ n_left_from -= 2;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
+
+ if (is_ip4)
+ {
+ /* udp leaves current_data pointing at the vxlan-gpe header */
+ vlib_buffer_advance (b0,
+ -(word) (sizeof (udp_header_t) +
+ sizeof (ip4_header_t)));
+ vlib_buffer_advance (b1,
+ -(word) (sizeof (udp_header_t) +
+ sizeof (ip4_header_t)));
+
+ iuvn4_0 = vlib_buffer_get_current (b0);
+ iuvn4_1 = vlib_buffer_get_current (b1);
+
+ /* pop (ip, udp, vxlan) */
+ vlib_buffer_advance (b0, sizeof (*iuvn4_0));
+ vlib_buffer_advance (b1, sizeof (*iuvn4_1));
+ }
+ else
+ {
+ /* udp leaves current_data pointing at the vxlan-gpe header */
+ vlib_buffer_advance (b0,
+ -(word) (sizeof (udp_header_t) +
+ sizeof (ip6_header_t)));
+ vlib_buffer_advance (b1,
+ -(word) (sizeof (udp_header_t) +
+ sizeof (ip6_header_t)));
+
+ iuvn6_0 = vlib_buffer_get_current (b0);
+ iuvn6_1 = vlib_buffer_get_current (b1);
+
+ /* 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;
+ }
+ 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 */
+ {
+ 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;
+ }
+
+ t0 = pool_elt_at_index (nngm->tunnels, tunnel_index0);
+
+
+ sw_if_index0 = t0->sw_if_index;
+ len0 = vlib_buffer_length_in_chain (vm, b0);
+
+ /* Required to make the l2 tag push / pop code work on l2 subifs */
+ vnet_update_l2_len (b0);
+
+ /* Set packet input sw_if_index to unicast VXLAN tunnel for learning */
+ vnet_buffer (b0)->sw_if_index[VLIB_RX] = t0->sw_if_index;