From d724e4f43b1d143a3f35492bce72fdc3e8af553e Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Thu, 2 Apr 2020 15:02:16 +0000 Subject: urpf: Unicast reverse Path Forwarding (plugin) Type: feature - move the IP4 code to plugin - add ip6 support - add suport for uRPF on TX - add tests Change-Id: I074c2debc486d3e79c12fad4b8dbd72c41e841a0 Signed-off-by: Neale Ranns --- src/vnet/fib/ip4_fib.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'src/vnet/fib') diff --git a/src/vnet/fib/ip4_fib.h b/src/vnet/fib/ip4_fib.h index ff00b4170c4..7d17baf2545 100644 --- a/src/vnet/fib/ip4_fib.h +++ b/src/vnet/fib/ip4_fib.h @@ -172,6 +172,30 @@ ip4_fib_forwarding_lookup (u32 fib_index, return (ip4_fib_mtrie_leaf_get_adj_index(leaf)); } +static_always_inline void +ip4_fib_forwarding_lookup_x2 (u32 fib_index0, + u32 fib_index1, + const ip4_address_t * addr0, + const ip4_address_t * addr1, + index_t *lb0, + index_t *lb1) +{ + ip4_fib_mtrie_leaf_t leaf[2]; + ip4_fib_mtrie_t * mtrie[2]; + + mtrie[0] = &ip4_fib_get(fib_index0)->mtrie; + mtrie[1] = &ip4_fib_get(fib_index1)->mtrie; + + leaf[0] = ip4_fib_mtrie_lookup_step_one (mtrie[0], addr0); + leaf[1] = ip4_fib_mtrie_lookup_step_one (mtrie[1], addr1); + leaf[0] = ip4_fib_mtrie_lookup_step (mtrie[0], leaf[0], addr0, 2); + leaf[1] = ip4_fib_mtrie_lookup_step (mtrie[1], leaf[1], addr1, 2); + leaf[0] = ip4_fib_mtrie_lookup_step (mtrie[0], leaf[0], addr0, 3); + leaf[1] = ip4_fib_mtrie_lookup_step (mtrie[1], leaf[1], addr1, 3); + + *lb0 = ip4_fib_mtrie_leaf_get_adj_index(leaf[0]); + *lb1 = ip4_fib_mtrie_leaf_get_adj_index(leaf[1]); +} #endif -- cgit 1.2.3-korg