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authorFlorin Coras <fcoras@cisco.com>2016-09-05 19:54:17 +0200
committerFlorin Coras <florin.coras@gmail.com>2016-09-06 17:15:21 +0000
commit73bb1458f7e60b5b6b363cbaad64105a9d4a6da0 (patch)
tree7636527e405919d057b0250acdf2315b932b5657
parent88ccc91ba960766730974f30cc0ea4360d1d01c8 (diff)
VPP-385: Fix ARP for indirect adjacencies
Change-Id: I48cffb8acbd9e6655d7ec661ee8f7e0689b12a2d Signed-off-by: Florin Coras <fcoras@cisco.com>
-rw-r--r--vnet/vnet/ip/ip4_forward.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/vnet/vnet/ip/ip4_forward.c b/vnet/vnet/ip/ip4_forward.c
index 4b019bce8de..dfd8a21b88c 100644
--- a/vnet/vnet/ip/ip4_forward.c
+++ b/vnet/vnet/ip/ip4_forward.c
@@ -884,6 +884,15 @@ ip4_lookup_inline (vlib_main_t * vm,
vnet_buffer (p0)->ip.adj_index[VLIB_TX] = adj_index0;
vnet_buffer (p1)->ip.adj_index[VLIB_TX] = adj_index1;
+ if (is_indirect)
+ {
+ /* ARP for next-hop not packet's destination address */
+ if (adj0->lookup_next_index == IP_LOOKUP_NEXT_ARP)
+ ip0->dst_address.as_u32 = dst_addr0->as_u32;
+ if (adj1->lookup_next_index == IP_LOOKUP_NEXT_ARP)
+ ip1->dst_address.as_u32 = dst_addr1->as_u32;
+ }
+
vlib_increment_combined_counter
(cm, cpu_index, adj_index0, 1,
vlib_buffer_length_in_chain (vm, p0)
@@ -1027,6 +1036,13 @@ ip4_lookup_inline (vlib_main_t * vm,
vnet_buffer (p0)->ip.adj_index[VLIB_TX] = adj_index0;
+ if (is_indirect)
+ {
+ /* ARP for next-hop not packet's destination address */
+ if (adj0->lookup_next_index == IP_LOOKUP_NEXT_ARP)
+ ip0->dst_address.as_u32 = dst_addr0->as_u32;
+ }
+
vlib_increment_combined_counter
(cm, cpu_index, adj_index0, 1,
vlib_buffer_length_in_chain (vm, p0)