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uapi: add access to snd_cwnd and other sock_ops 

From upstream kernel commit f19397a5c65665d66e3866b42056f1f58b7a366b
    bpf: Add access to snd_cwnd and others in sock_ops

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Stephen Hemminger 2017-12-11 16:01:17 -08:00
parent c2db423f7c
commit b7f5fd3698
1 changed files with 6 additions and 0 deletions
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6
include/uapi/linux/bpf.h
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@ -941,6 +941,12 @@ struct bpf_sock_ops {
__u32 local_ip6[4]; /* Stored in network byte order */
__u32 remote_port; /* Stored in network byte order */
__u32 local_port; /* stored in host byte order */
__u32 is_fullsock; /* Some TCP fields are only valid if
* there is a full socket. If not, the
* fields read as zero.
*/
__u32 snd_cwnd;
__u32 srtt_us; /* Averaged RTT << 3 in usecs */
};
/* List of known BPF sock_ops operators.