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| author | JP Abgrall <jpa@google.com> | 2014-02-21 12:05:01 -0800 |
|---|---|---|
| committer | JP Abgrall <jpa@google.com> | 2014-02-21 12:05:01 -0800 |
| commit | 7c862c8b5e59cbe216a5bc092c01f1ecba8e9de4 (patch) | |
| tree | c34323ce4505e1ca0bfd9b931ac02ef21320c039 /rootdir | |
| parent | 4046c132dc385fb9f2ae2e2198fd32269dd14a20 (diff) | |
| download | system_core-7c862c8b5e59cbe216a5bc092c01f1ecba8e9de4.zip system_core-7c862c8b5e59cbe216a5bc092c01f1ecba8e9de4.tar.gz system_core-7c862c8b5e59cbe216a5bc092c01f1ecba8e9de4.tar.bz2 | |
init.rc: prep tcp_default_init_rwnd, set the default to 60
The kernel's default is between 4~20.
Prepare for javaland to modify the value at runtime.
It can be done via
setprop sys.sysctl.tcp_def_init_rwnd <value>
Bug: 12020135
Change-Id: Id34194b085206fd02e316401c0fbbb9eb52522d2
Diffstat (limited to 'rootdir')
| -rw-r--r-- | rootdir/init.rc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/rootdir/init.rc b/rootdir/init.rc index 5d21231..5b97d9f 100644 --- a/rootdir/init.rc +++ b/rootdir/init.rc @@ -390,6 +390,9 @@ on boot setprop net.tcp.buffersize.gprs 4092,8760,11680,4096,8760,11680 setprop net.tcp.buffersize.evdo 4094,87380,262144,4096,16384,262144 +# Define default initial receive window size in segments. + setprop net.tcp.default_init_rwnd 60 + class_start core on nonencrypted @@ -426,9 +429,15 @@ on property:vold.decrypt=trigger_shutdown_framework on property:sys.powerctl=* powerctl ${sys.powerctl} -# system server cannot write to /proc/sys files, so proxy it through init +# system server cannot write to /proc/sys files, +# and chown/chmod does not work for /proc/sys/ entries. +# So proxy writes through init. on property:sys.sysctl.extra_free_kbytes=* write /proc/sys/vm/extra_free_kbytes ${sys.sysctl.extra_free_kbytes} +# "tcp_default_init_rwnd" Is too long! +on property:sys.sysctl.tcp_def_init_rwnd=* + write /proc/sys/net/ipv4/tcp_default_init_rwnd ${sys.sysctl.tcp_def_init_rwnd} + ## Daemon processes to be run by init. ## |