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Revert "tcp: restrict net.ipv4.tcp_app_win"

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This reverts commit a069d4d98c which is
commit dc5110c2d9 upstream.

It breaks the Android kernel abi, and is not needed at this point in
time.  If it is required, it can come back in an ABI-safe way.

Bug: 161946584
Change-Id: I7ef145a192f15df2179150f9f0087746725d27ea
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman 2023-04-27 11:32:21 +00:00
commit 036fa20734
2 changed files with 0 additions and 5 deletions
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2
Documentation/networking/ip-sysctl.rst
View file

@ -272,8 +272,6 @@ tcp_app_win - INTEGER
Reserve max(window/2^tcp_app_win, mss) of window for application
buffer. Value 0 is special, it means that nothing is reserved.
Possible values are [0, 31], inclusive.
Default: 31
tcp_autocorking - BOOLEAN

3
net/ipv4/sysctl_net_ipv4.c
View file

@ -37,7 +37,6 @@ static int ip_local_port_range_min[] = { 1, 1 };
static int ip_local_port_range_max[] = { 65535, 65535 };
static int tcp_adv_win_scale_min = -31;
static int tcp_adv_win_scale_max = 31;
static int tcp_app_win_max = 31;
static int tcp_min_snd_mss_min = TCP_MIN_SND_MSS;
static int tcp_min_snd_mss_max = 65535;
static int ip_privileged_port_min;
@ -1123,8 +1122,6 @@ static struct ctl_table ipv4_net_table[] = {
.maxlen = sizeof(u8),
.mode = 0644,
.proc_handler = proc_dou8vec_minmax,
.extra1 = SYSCTL_ZERO,
.extra2 = &tcp_app_win_max,
},
{
.procname = "tcp_adv_win_scale",