ip: allow overriding fib index in reass

[vpp.git] / src / vnet / ip / reass / ip4_full_reass.c

diff --git a/src/vnet/ip/reass/ip4_full_reass.c b/src/vnet/ip/reass/ip4_full_reass.c
index 5e5969e..c65f349 100644 (file)
--- a/src/vnet/ip/reass/ip4_full_reass.c
+++ b/src/vnet/ip/reass/ip4_full_reass.c
@@ -1222,8 +1222,10 @@ ip4_full_reass_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
          goto packet_enqueue;
        }
 
-      u32 fib_index = vec_elt (ip4_main.fib_index_by_sw_if_index,
-                              vnet_buffer (b0)->sw_if_index[VLIB_RX]);
+      u32 fib_index = (vnet_buffer (b0)->sw_if_index[VLIB_TX] == (u32) ~0) ?
+                             vec_elt (ip4_main.fib_index_by_sw_if_index,
+                                vnet_buffer (b0)->sw_if_index[VLIB_RX]) :
+                             vnet_buffer (b0)->sw_if_index[VLIB_TX];
 
       ip4_full_reass_kv_t kv = { .k.fib_index = fib_index,
                                 .k.src.as_u32 = ip0->src_address.as_u32,