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fix: erroneous bitmask operation

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In kernel selftest/bpf xdp synproxy has:
[0] b6a3451e084 (selftests/bpf: Fix erroneous bitmask operation)
sync the fix here.

It addresses an issue when xdp synproxy need to handle SYNACK
from backend server, see [1].

[0]: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=b6a3451e0847
[1]: https://lore.kernel.org/xdp-newbies/CAK3+h2z1r69Z5g+qTwCaJzgnD5sv93x67TLJ3gVQ70_nFE0AqQ@mail.gmail.com/T/#t

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
This commit is contained in:
Vincent Li
2023-12-11 23:10:24 +00:00
parent b9d1f89572
commit 3d6baf8905
2 changed files with 3 additions and 2 deletions
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1
headers/vmlinux/vmlinux_net.h
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@ -142,6 +142,7 @@ struct nf_conn {
enum ip_conntrack_status {
/* Connection is confirmed: originating packet has left box */
IPS_CONFIRMED_BIT = 3,
IPS_CONFIRMED = (1 << IPS_CONFIRMED_BIT),
};
#endif /* __VMLINUX_NET_H__ */