ip_tunnels: Add new flow flags field to ip_tunnel_key

This commit extends the ip_tunnel_key struct with a new field for the
flow flags, to pass them to the route lookups. This new field will be
populated and used in subsequent commits.

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/f8bfd4983bd06685a59b1e3ba76ca27496f51ef3.1658759380.git.paul@isovalent.com

diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 20db950..63fac94 100644 (file)
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -54,6 +54,7 @@ struct ip_tunnel_key {
        __be32                  label;          /* Flow Label for IPv6 */
        __be16                  tp_src;
        __be16                  tp_dst;
+       __u8                    flow_flags;
 };
 
 /* Flags for ip_tunnel_info mode. */