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| author | Grant Likely <grant.likely@secretlab.ca> | 2011-03-17 22:46:58 +0300 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-03-17 22:48:06 +0300 |
| commit | 2dd22997679a88874c131f6e6ffb963e6d43b3a6 (patch) | |
| tree | bfe1707dda7e755b8b550c6796e2649813bcfbb9 /Documentation/networking/ip-sysctl.txt | |
| parent | 36885ff0e6563687e6152da6d311abbf83c0198f (diff) | |
| parent | 7b7adc4a016a1decb806eb71ecab98721fa7f146 (diff) | |
| download | linux-2dd22997679a88874c131f6e6ffb963e6d43b3a6.tar.xz | |
Merge remote-tracking branch 'origin' into spi/next
Pull in Linus' tree to pick up changes required for the langwell gpio fixes
Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index ac3b4a726a1a..d3d653a5f9b9 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -280,6 +280,17 @@ tcp_max_orphans - INTEGER more aggressively. Let me to remind again: each orphan eats up to ~64K of unswappable memory. +tcp_max_ssthresh - INTEGER + Limited Slow-Start for TCP with large congestion windows (cwnd) defined in + RFC3742. Limited slow-start is a mechanism to limit growth of the cwnd + on the region where cwnd is larger than tcp_max_ssthresh. TCP increases cwnd + by at most tcp_max_ssthresh segments, and by at least tcp_max_ssthresh/2 + segments per RTT when the cwnd is above tcp_max_ssthresh. + If TCP connection increased cwnd to thousands (or tens of thousands) segments, + and thousands of packets were being dropped during slow-start, you can set + tcp_max_ssthresh to improve performance for new TCP connection. + Default: 0 (off) + tcp_max_syn_backlog - INTEGER Maximal number of remembered connection requests, which are still did not receive an acknowledgment from connecting client. |