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Date:   Mon, 18 Jul 2022 17:54:56 +0200
From:   Paul Chaignon <paul@...valent.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        John Fastabend <john.fastabend@...il.com>,
        Kaixi Fan <fankaixi.li@...edance.com>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        Yonghong Song <yhs@...com>
Subject: [PATCH bpf v2 3/5] 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@...valent.com>
---
 drivers/net/geneve.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 2495a5719e1c..018d365f9deb 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) {
-- 
2.25.1

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