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[ Upstream commit 7ec9fce4b31604f8415136a4c07f7dc8ad431aec ]
Commit 451ef36bd229 ("ip_tunnels: Add new flow flags field to ip_tunnel_key")
added a "flow_flags" member to struct ip_tunnel_key which was later used by
the commit in the fixes tag to avoid dropping packets with sources that
aren't locally configured when set in bpf_set_tunnel_key().
VXLAN and GENEVE were made to respect this flag, ip tunnels like IPIP and GRE
were not.
This commit fixes this omission by making ip_tunnel_init_flow() receive
the flow flags from the tunnel key in the relevant collect_md paths.
Fixes: b8fff748521c ("bpf: Set flow flag to allow any source IP in bpf_tunnel_key")
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Paul Chaignon <paul@isovalent.com>
Link: https://lore.kernel.org/bpf/20220818074118.726639-1-eyal.birger@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
ca41835c75