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bpf: Add source ip in "struct bpf_tunnel_key"

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Add tunnel source ip field in "struct bpf_tunnel_key". Add related code
to set and get tunnel source field.

Signed-off-by: Kaixi Fan <fankaixi.li@bytedance.com>
Link: https://lore.kernel.org/r/20220430074844.69214-2-fankaixi.li@bytedance.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Kaixi Fan
2022-04-30 15:48:42 +08:00
committed by Alexei Starovoitov
parent bd2331b375
commit 26101f5ab6
3 changed files with 17 additions and 0 deletions
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4
include/uapi/linux/bpf.h
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@@ -5604,6 +5604,10 @@ struct bpf_tunnel_key {
__u8 tunnel_ttl;
__u16 tunnel_ext; /* Padding, future use. */
__u32 tunnel_label;
union {
__u32 local_ipv4;
__u32 local_ipv6[4];
};
};
/* user accessible mirror of in-kernel xfrm_state.