diff options
| author | Gao Feng <fgao@ikuai8.com> | 2017-04-04 16:09:48 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-05 17:50:32 +0300 |
| commit | 589c49cbf9674808fd4ac9b7c17155abc0686f86 (patch) | |
| tree | 7065ecc4a28f72a6fd73570a0b793d92fee62e88 /net/ipv4/tcp.c | |
| parent | 5e351410667ab0bf0dd1845730cba8b2211781e7 (diff) | |
| download | linux-589c49cbf9674808fd4ac9b7c17155abc0686f86.tar.xz | |
net: tcp: Define the TCP_MAX_WSCALE instead of literal number 14
Define one new macro TCP_MAX_WSCALE instead of literal number '14',
and use U16_MAX instead of 65535 as the max value of TCP window.
There is another minor change, use rounddown(space, mss) instead of
(space / mss) * mss;
Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 1665948dff8c..94f0b5b50e0d 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2393,7 +2393,7 @@ static int tcp_repair_options_est(struct tcp_sock *tp, u16 snd_wscale = opt.opt_val & 0xFFFF; u16 rcv_wscale = opt.opt_val >> 16; - if (snd_wscale > 14 || rcv_wscale > 14) + if (snd_wscale > TCP_MAX_WSCALE || rcv_wscale > TCP_MAX_WSCALE) return -EFBIG; tp->rx_opt.snd_wscale = snd_wscale; |