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tcp: kill eff_sacks "cache", the sole user can calculate itself

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Also fixes insignificant bug that would cause sending of stale
SACK block (would occur in some corner cases).

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen 2009-02-28 04:44:38 +00:00 • committed by David S. Miller
parent 758ce5c8d1
commit cabeccbd17
5 changed files with 9 additions and 23 deletions
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1
include/linux/tcp.h
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@ -218,7 +218,6 @@ struct tcp_options_received {
snd_wscale : 4, /* Window scaling received from sender */
rcv_wscale : 4; /* Window scaling to send to receiver */
/* SACKs data */
u8 eff_sacks; /* Size of SACK array to send with next packet */
u8 num_sacks; /* Number of SACK blocks */
u16 user_mss; /* mss requested by user in ioctl */
u16 mss_clamp; /* Maximal mss, negotiated at connection setup */