From: Paul Chaignon <paul@isovalent.com>
Date: Mon, 25 Jul 2022 14:32:15 +0000 (+0200)
Subject: geneve: Use ip_tunnel_key flow flags in route lookups
X-Git-Tag: v6.6.17~6916^2~24^2~19
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=861396ac0b47780210b72c4fea359540965a4970;p=platform%2Fkernel%2Flinux-rpi.git

geneve: Use ip_tunnel_key flow flags in route lookups

Use the new ip_tunnel_key field with the flow flags in the IPv4 route
lookups for the encapsulated packet. This will be used by the
bpf_skb_set_tunnel_key helper in the subsequent commit.

Signed-off-by: Paul Chaignon <paul@isovalent.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/fcc2e0eea01e8ea465a180126366ec20596ba530.1658759380.git.paul@isovalent.com
---

diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 2495a57..018d365 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -815,6 +815,7 @@ static struct rtable *geneve_get_v4_rt(struct sk_buff *skb,
 	fl4->saddr = info->key.u.ipv4.src;
 	fl4->fl4_dport = dport;
 	fl4->fl4_sport = sport;
+	fl4->flowi4_flags = info->key.flow_flags;
 
 	tos = info->key.tos;
 	if ((tos == 1) && !geneve->cfg.collect_md) {