scaling factor for calculating application portion of window

$cat /proc/sys/net/ipv4/tcp_adv_win_scale
2
$

Scaling factor for calculating application portion of window. Count buffering overhead as bytes / 2 ^ tcp_adv_win_scale (if tcp_adv_win_scale > 0) or bytes – bytes / 2 ^ (-tcp_adv_win_scale), if it is <= 0. The default value is 2.

Copyright © 2002 by Oskar Andreasson Under GNU FDL.

linux kernel source 2.6.32
 {
                .ctl_name       = NET_TCP_ADV_WIN_SCALE,
                .procname       = "tcp_adv_win_scale",
                .data           = &sysctl_tcp_adv_win_scale,
                .maxlen         = sizeof(int),
                .mode           = 0644,
                .proc_handler   = proc_dointvec
        },
linux kernel source 2.6.32
int sysctl_tcp_adv_win_scale __read_mostly = 2;