From 328b5dadb35916e8147237f2339dd5f4c38912fc Mon Sep 17 00:00:00 2001 From: Stanislav Zaikin Date: Thu, 15 Jul 2021 16:27:29 +0200 Subject: gre: set proper fib index for unnumbered interfaces, unset fib index before forwarding gre payload This commit introduces 2 fixes: 1) After GRE decapsulation sw_if_index[VLIB_TX] is set as fib index of GRE tunnel. But since GRE tunnel can work on v4 endpoints and have v6 payload, we need to reset it. In case we get IPv6 packet inside IPv4 GRE tunnel (or vice-versa) fib index can be (and usually is) invalid. 2) Check that ip-table and ip6-table are the same when setting interface as an unnumbered one. Also, fix for the pipe test include setting the right unnumbered interface for the pipes Type: fix Signed-off-by: Stanislav Zaikin Change-Id: Id13d239cfdd21e0db6b1c9725f01c40d4af4d800 --- src/vnet/interface_funcs.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/vnet/interface_funcs.h') diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h index 14168406377..3db5a2d8c11 100644 --- a/src/vnet/interface_funcs.h +++ b/src/vnet/interface_funcs.h @@ -430,8 +430,8 @@ void vnet_sw_interface_set_protocol_mtu (vnet_main_t * vnm, u32 sw_if_index, u32 mtu[]); /* update the unnumbered state of an interface */ -void vnet_sw_interface_update_unnumbered (u32 sw_if_index, - u32 ip_sw_if_index, u8 enable); +int vnet_sw_interface_update_unnumbered (u32 sw_if_index, u32 ip_sw_if_index, + u8 enable); int vnet_sw_interface_stats_collect_enable_disable (u32 sw_if_index, u8 enable); -- cgit 1.2.3-korg