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authorStephen Hemminger <shemminger@vyatta.com>2008-07-10 16:50:26 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-10 16:50:26 -0700
commit4edc2f3416438a05b83a677ae7b1a78b3ca22bb9 (patch)
tree31c440259d1b88dd0b3fef07f01f3cb177b69209 /Documentation
parent53025f5efd5a1c14fca75c479b11d97d9dd958a5 (diff)
downloadop-kernel-dev-4edc2f3416438a05b83a677ae7b1a78b3ca22bb9.zip
op-kernel-dev-4edc2f3416438a05b83a677ae7b1a78b3ca22bb9.tar.gz
ip: sysctl documentation cleanup
Reduced version of the spelling cleanup patch. Take out the confusing language in tcp_frto, and organize the undocumented values. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/networking/ip-sysctl.txt60
1 files changed, 29 insertions, 31 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index dc04fdd..946b66e 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -148,9 +148,9 @@ tcp_available_congestion_control - STRING
but not loaded.
tcp_base_mss - INTEGER
- The initial value of search_low to be used by Packetization Layer
- Path MTU Discovery (MTU probing). If MTU probing is enabled,
- this is the inital MSS used by the connection.
+ The initial value of search_low to be used by the packetization layer
+ Path MTU discovery (MTU probing). If MTU probing is enabled,
+ this is the initial MSS used by the connection.
tcp_congestion_control - STRING
Set the congestion control algorithm to be used for new
@@ -185,10 +185,9 @@ tcp_frto - INTEGER
timeouts. It is particularly beneficial in wireless environments
where packet loss is typically due to random radio interference
rather than intermediate router congestion. F-RTO is sender-side
- only modification. Therefore it does not require any support from
- the peer, but in a typical case, however, where wireless link is
- the local access link and most of the data flows downlink, the
- faraway servers should have F-RTO enabled to take advantage of it.
+ only modification. Therefore it does not require any support from
+ the peer.
+
If set to 1, basic version is enabled. 2 enables SACK enhanced
F-RTO if flow uses SACK. The basic version can be used also when
SACK is in use though scenario(s) with it exists where F-RTO
@@ -276,7 +275,7 @@ tcp_mem - vector of 3 INTEGERs: min, pressure, max
memory.
tcp_moderate_rcvbuf - BOOLEAN
- If set, TCP performs receive buffer autotuning, attempting to
+ If set, TCP performs receive buffer auto-tuning, attempting to
automatically size the buffer (no greater than tcp_rmem[2]) to
match the size required by the path for full throughput. Enabled by
default.
@@ -360,7 +359,7 @@ tcp_slow_start_after_idle - BOOLEAN
Default: 1
tcp_stdurg - BOOLEAN
- Use the Host requirements interpretation of the TCP urg pointer field.
+ Use the Host requirements interpretation of the TCP urgent pointer field.
Most hosts use the older BSD interpretation, so if you turn this on
Linux might not communicate correctly with them.
Default: FALSE
@@ -373,12 +372,12 @@ tcp_synack_retries - INTEGER
tcp_syncookies - BOOLEAN
Only valid when the kernel was compiled with CONFIG_SYNCOOKIES
Send out syncookies when the syn backlog queue of a socket
- overflows. This is to prevent against the common 'syn flood attack'
+ overflows. This is to prevent against the common 'SYN flood attack'
Default: FALSE
Note, that syncookies is fallback facility.
It MUST NOT be used to help highly loaded servers to stand
- against legal connection rate. If you see synflood warnings
+ against legal connection rate. If you see SYN flood warnings
in your logs, but investigation shows that they occur
because of overload with legal connections, you should tune
another parameters until this warning disappear.
@@ -388,7 +387,7 @@ tcp_syncookies - BOOLEAN
to use TCP extensions, can result in serious degradation
of some services (f.e. SMTP relaying), visible not by you,
but your clients and relays, contacting you. While you see
- synflood warnings in logs not being really flooded, your server
+ SYN flood warnings in logs not being really flooded, your server
is seriously misconfigured.
tcp_syn_retries - INTEGER
@@ -1236,22 +1235,21 @@ sctp_wmem - vector of 3 INTEGERs: min, default, max
UNDOCUMENTED:
-dev_weight FIXME
-discovery_slots FIXME
-discovery_timeout FIXME
-fast_poll_increase FIXME
-ip6_queue_maxlen FIXME
-lap_keepalive_time FIXME
-lo_cong FIXME
-max_baud_rate FIXME
-max_dgram_qlen FIXME
-max_noreply_time FIXME
-max_tx_data_size FIXME
-max_tx_window FIXME
-min_tx_turn_time FIXME
-mod_cong FIXME
-no_cong FIXME
-no_cong_thresh FIXME
-slot_timeout FIXME
-warn_noreply_time FIXME
-
+/proc/sys/net/core/*
+ dev_weight FIXME
+
+/proc/sys/net/unix/*
+ max_dgram_qlen FIXME
+
+/proc/sys/net/irda/*
+ fast_poll_increase FIXME
+ warn_noreply_time FIXME
+ discovery_slots FIXME
+ slot_timeout FIXME
+ max_baud_rate FIXME
+ discovery_timeout FIXME
+ lap_keepalive_time FIXME
+ max_noreply_time FIXME
+ max_tx_data_size FIXME
+ max_tx_window FIXME
+ min_tx_turn_time FIXME
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