xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

tcp: retire FACK loss detection

Browse Source 
FACK loss detection has been disabled by default and the
successor RACK subsumed FACK and can handle reordering better.
This patch removes FACK to simplify TCP loss recovery.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Soheil Hassas Yeganeh <soheil@google.com>
Reviewed-by: Priyaranjan Jha <priyarjha@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuchung Cheng
2017-11-08 13:01:26 -08:00
committed by David S. Miller
parent e4ec138413
commit 713bafea92
10 changed files with 12 additions and 77 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
Documentation/networking/ip-sysctl.txt
View File

@@ -289,8 +289,7 @@ tcp_ecn_fallback - BOOLEAN
Default: 1 (fallback enabled)
tcp_fack - BOOLEAN
Enable FACK congestion avoidance and fast retransmission.
The value is not used, if tcp_sack is not enabled.
This is a legacy option, it has no effect anymore.
tcp_fin_timeout - INTEGER
The length of time an orphaned (no longer referenced by any