Re: [PATCH net] tcp: fix child sockets to use system default congestion control if not set

2015-05-31 Thread David Miller
From: Daniel Borkmann Date: Fri, 29 May 2015 20:24:25 +0200 > On 05/29/2015 07:47 PM, Neal Cardwell wrote: >> Linux 3.17 and earlier are explicitly engineered so that if the app >> doesn't specifically request a CC module on a listener before the SYN >> arrives, then the child gets the system def

Re: [PATCH net] tcp: fix child sockets to use system default congestion control if not set

2015-05-29 Thread Daniel Borkmann
On 05/29/2015 07:47 PM, Neal Cardwell wrote: Linux 3.17 and earlier are explicitly engineered so that if the app doesn't specifically request a CC module on a listener before the SYN arrives, then the child gets the system default CC when the connection is established. See tcp_init_congestion_con

[PATCH net] tcp: fix child sockets to use system default congestion control if not set

2015-05-29 Thread Neal Cardwell
Linux 3.17 and earlier are explicitly engineered so that if the app doesn't specifically request a CC module on a listener before the SYN arrives, then the child gets the system default CC when the connection is established. See tcp_init_congestion_control() in 3.17 or earlier, which says "if no ch