diff options
author | Vlad Yasevich <vladislav.yasevich@hp.com> | 2009-11-23 15:53:57 -0500 |
---|---|---|
committer | Vlad Yasevich <vladislav.yasevich@hp.com> | 2009-11-23 15:53:57 -0500 |
commit | 90f2f5318b3a5b0898fef0fec9b91376c7de7a2c (patch) | |
tree | 33622d2b9e2064c36c17cd108c9b3a23af1fd6a4 /include/net/sctp/constants.h | |
parent | e0e9db178a5ba4dbb5f16f958f1affbdc63d2cc4 (diff) |
sctp: Update SWS avaoidance receiver side algorithm
We currently send window update SACKs every time we free up 1 PMTU
worth of data. That a lot more SACKs then necessary. Instead, we'll
now send back the actuall window every time we send a sack, and do
window-update SACKs when a fraction of the receive buffer has been
opened. The fraction is controlled with a sysctl.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'include/net/sctp/constants.h')
-rw-r--r-- | include/net/sctp/constants.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h index 58f714a3b670..63908840eef0 100644 --- a/include/net/sctp/constants.h +++ b/include/net/sctp/constants.h | |||
@@ -308,6 +308,10 @@ enum { SCTP_MAX_GABS = 16 }; | |||
308 | 308 | ||
309 | #define SCTP_DEFAULT_MINWINDOW 1500 /* default minimum rwnd size */ | 309 | #define SCTP_DEFAULT_MINWINDOW 1500 /* default minimum rwnd size */ |
310 | #define SCTP_DEFAULT_MAXWINDOW 65535 /* default rwnd size */ | 310 | #define SCTP_DEFAULT_MAXWINDOW 65535 /* default rwnd size */ |
311 | #define SCTP_DEFAULT_RWND_SHIFT 4 /* by default, update on 1/16 of | ||
312 | * rcvbuf, which is 1/8 of initial | ||
313 | * window | ||
314 | */ | ||
311 | #define SCTP_DEFAULT_MAXSEGMENT 1500 /* MTU size, this is the limit | 315 | #define SCTP_DEFAULT_MAXSEGMENT 1500 /* MTU size, this is the limit |
312 | * to which we will raise the P-MTU. | 316 | * to which we will raise the P-MTU. |
313 | */ | 317 | */ |