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| author |   David S. Miller <davem@davemloft.net> | 2018-08-02 10:55:32 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-08-02 10:55:32 -0700 |
| commit | 89b1698c93a9dee043154f33d96bca9964e705f1 (patch) | |
| tree | dd9dcb1965baae8edcf0b496aaa6a70609b6fc11 /net/ipv4/tcp_bbr.c | |
| parent | be2net: fix spelling mistake "seqence" -> "sequence" (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | linux-dev-89b1698c93a9dee043154f33d96bca9964e705f1.tar.xz linux-dev-89b1698c93a9dee043154f33d96bca9964e705f1.zip | |
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
The BTF conflicts were simple overlapping changes.
The virtio_net conflict was an overlap of a fix of statistics counter,
happening alongisde a move over to a bonafide statistics structure
rather than counting value on the stack.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_bbr.c')
| -rw-r--r-- | net/ipv4/tcp_bbr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c index 3b5f45b9e81e..13d34427ca3d 100644 --- a/net/ipv4/tcp_bbr.c +++ b/net/ipv4/tcp_bbr.c @@ -358,6 +358,10 @@ static u32 bbr_target_cwnd(struct sock *sk, u32 bw, int gain) /* Reduce delayed ACKs by rounding up cwnd to the next even number. */ cwnd = (cwnd + 1) & ~1U; + /* Ensure gain cycling gets inflight above BDP even for small BDPs. */ + if (bbr->mode == BBR_PROBE_BW && gain > BBR_UNIT) + cwnd += 2; + return cwnd; } |