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| author | Maciej Żenczykowski <maze@google.com> | 2018-09-26 07:59:28 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-09-27 06:33:21 +0300 |
| commit | d4ce58082f206bf6e7d697380c7bc5480a8b0264 (patch) | |
| tree | 5977c316fd1ea3fef5ce4334e8ae48b681bacbd2 /Documentation/networking | |
| parent | 73f21c653f930f438d53eed29b5e4c65c8a0f906 (diff) | |
| download | linux-d4ce58082f206bf6e7d697380c7bc5480a8b0264.tar.xz | |
net-tcp: /proc/sys/net/ipv4/tcp_probe_interval is a u32 not int
(fix documentation and sysctl access to treat it as such)
Tested:
# zcat /proc/config.gz | egrep ^CONFIG_HZ
CONFIG_HZ_1000=y
CONFIG_HZ=1000
# echo $[(1<<32)/1000 + 1] | tee /proc/sys/net/ipv4/tcp_probe_interval
4294968
tee: /proc/sys/net/ipv4/tcp_probe_interval: Invalid argument
# echo $[(1<<32)/1000] | tee /proc/sys/net/ipv4/tcp_probe_interval
4294967
# echo 0 | tee /proc/sys/net/ipv4/tcp_probe_interval
# echo -1 | tee /proc/sys/net/ipv4/tcp_probe_interval
-1
tee: /proc/sys/net/ipv4/tcp_probe_interval: Invalid argument
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 8313a636dd53..960de8fe3f40 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -425,7 +425,7 @@ tcp_mtu_probing - INTEGER 1 - Disabled by default, enabled when an ICMP black hole detected 2 - Always enabled, use initial MSS of tcp_base_mss. -tcp_probe_interval - INTEGER +tcp_probe_interval - UNSIGNED INTEGER Controls how often to start TCP Packetization-Layer Path MTU Discovery reprobe. The default is reprobing every 10 minutes as per RFC4821. |