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authorStanislav Fomichev <sdf@google.com>2019-07-02 19:13:59 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2019-07-03 17:52:02 +0300
commitc2cb5e82a720c05b707701c75dfeb356fe184787 (patch)
tree0d43fac701ee98c80dd43eb59fa66a39095aada7 /include/uapi
parent0357746d1e40a8226f68a42c8d7222a12d7c451f (diff)
downloadlinux-c2cb5e82a720c05b707701c75dfeb356fe184787.tar.xz
bpf: add icsk_retransmits to bpf_tcp_sock
Add some inet_connection_sock fields to bpf_tcp_sock that might be useful for debugging congestion control issues. Cc: Eric Dumazet <edumazet@google.com> Cc: Priyaranjan Jha <priyarjha@google.com> Cc: Yuchung Cheng <ycheng@google.com> Cc: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/bpf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index bfb0b1a76684..ead27aebf491 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -3078,6 +3078,7 @@ struct bpf_tcp_sock {
*/
__u32 delivered; /* Total data packets delivered incl. rexmits */
__u32 delivered_ce; /* Like the above but only ECE marked packets */
+ __u32 icsk_retransmits; /* Number of unrecovered [RTO] timeouts */
};
struct bpf_sock_tuple {