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igmp: make sure fib_index is set before delivering to ip4-local

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IGMP packets with Router Alert option are delivered to ip4-local
without going through ip4-lookup. Make sure fib_index is initialized
properly.

Type: fix

Change-Id: Iab090a33c4c759b6d7f68c28a0b3f4da7a9de864
Signed-off-by: Benoît Ganne <bganne@cisco.com>
This commit is contained in:
Benoît Ganne
2022-02-07 18:07:39 +01:00
committed by Florin Coras
parent fa5aabbf0b
commit 688d276340
1 changed files with 2 additions and 0 deletions
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2
src/vnet/ip/ip4_options.c
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@ -82,6 +82,8 @@ VLIB_NODE_FN (ip4_options_node) (vlib_main_t * vm,
*/
if (IP_PROTOCOL_IGMP == ip4->protocol)
{
ip_lookup_set_buffer_fib_index (
ip4_main.fib_index_by_sw_if_index, b);
next = IP4_OPTIONS_NEXT_LOCAL;
}
break;