diff options
| author | Adam Langley <agl@imperialviolet.org> | 2008-07-19 00:07:02 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-19 00:07:02 -0700 |
| commit | 4389dded7767d24290463f2a8302ba3253ebdd56 (patch) | |
| tree | ed34a2084c47c6c707e0ce6b4eab8d442f20c4c3 /include/linux/tcp.h | |
| parent | 33ad798c924b4a1afad3593f2796d465040aadd5 (diff) | |
| download | lwn-4389dded7767d24290463f2a8302ba3253ebdd56.tar.gz lwn-4389dded7767d24290463f2a8302ba3253ebdd56.zip | |
tcp: Remove redundant checks when setting eff_sacks
Remove redundant checks when setting eff_sacks and make the number of SACKs a
compile time constant. Now that the options code knows how many SACK blocks can
fit in the header, we don't need to have the SACK code guessing at it.
Signed-off-by: Adam Langley <agl@imperialviolet.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/tcp.h')
| -rw-r--r-- | include/linux/tcp.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 07e79bdb9cdf..2e2557388e36 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -224,6 +224,12 @@ struct tcp_options_received { u16 mss_clamp; /* Maximal mss, negotiated at connection setup */ }; +/* This is the max number of SACKS that we'll generate and process. It's safe + * to increse this, although since: + * size = TCPOLEN_SACK_BASE_ALIGNED (4) + n * TCPOLEN_SACK_PERBLOCK (8) + * only four options will fit in a standard TCP header */ +#define TCP_NUM_SACKS 4 + struct tcp_request_sock { struct inet_request_sock req; #ifdef CONFIG_TCP_MD5SIG |