diff options
| author | Michael Bestas <mkbestas@lineageos.org> | 2020-08-23 00:37:37 +0300 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2020-08-23 00:37:37 +0300 |
| commit | 250f46158452aac57109fd256ccd675f87c6c07a (patch) | |
| tree | 60e02a035fda8c20c2773becd457ec0bb5a55dd6 /net/ipv4/tcp_input.c | |
| parent | 87d399cdabf1a0090ea16259bd747f162dd194c9 (diff) | |
| parent | 59f04f292e871fb7fd7b3425d7fd3fd489a44078 (diff) | |
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998
This brings LA.UM.8.4.r1-05900-8x98.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
59f04f292e871 ANDROID: fix a bug in quota2
Conflicts:
Makefile
fs/ext4/inode.c
fs/f2fs/dir.c
Change-Id: Ic71b44a02908cf633d96114f0ff745cf1e1186de
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index e9d4e2161130..7510f578c2c1 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3518,10 +3518,8 @@ static void tcp_replace_ts_recent(struct tcp_sock *tp, u32 seq) } } -/* This routine deals with acks during a TLP episode. - * We mark the end of a TLP episode on receiving TLP dupack or when - * ack is after tlp_high_seq. - * Ref: loss detection algorithm in draft-dukkipati-tcpm-tcp-loss-probe. +/* This routine deals with acks during a TLP episode and ends an episode by + * resetting tlp_high_seq. Ref: TLP algorithm in draft-ietf-tcpm-rack */ static void tcp_process_tlp_ack(struct sock *sk, u32 ack, int flag) { @@ -3530,7 +3528,10 @@ static void tcp_process_tlp_ack(struct sock *sk, u32 ack, int flag) if (before(ack, tp->tlp_high_seq)) return; - if (flag & FLAG_DSACKING_ACK) { + if (!tp->tlp_retrans) { + /* TLP of new data has been acknowledged */ + tp->tlp_high_seq = 0; + } else if (flag & FLAG_DSACKING_ACK) { /* This DSACK means original and TLP probe arrived; no loss */ tp->tlp_high_seq = 0; } else if (after(ack, tp->tlp_high_seq)) { |