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geneve: Use ip_tunnel_key flow flags in route lookups

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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
This commit is contained in:
Paul Chaignon 2022-07-25 16:32:15 +02:00 committed by Daniel Borkmann
parent 7e2fb8bc7e
commit 861396ac0b
1 changed files with 1 additions and 0 deletions
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drivers/net/geneve.c
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@ -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) {