Gao Feng 589c49cbf9 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>

2017-04-05 07:50:32 -07:00

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