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-rw-r--r--Documentation/networking/ip-sysctl.txt35
1 files changed, 18 insertions, 17 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index dd52d516cb8..dc2dc87d255 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -26,6 +26,11 @@ route/max_size - INTEGER
Maximum number of routes allowed in the kernel. Increase
this when using large numbers of interfaces and/or routes.
+neigh/default/gc_thresh1 - INTEGER
+ Minimum number of entries to keep. Garbage collector will not
+ purge entries if there are fewer than this number.
+ Default: 256
+
neigh/default/gc_thresh3 - INTEGER
Maximum number of neighbor entries allowed. Increase this
when using large numbers of interfaces and when communicating
@@ -36,7 +41,7 @@ neigh/default/unres_qlen_bytes - INTEGER
The maximum number of bytes which may be used by packets
queued for each unresolved address by other network layers.
(added in linux 3.3)
- Seting negative value is meaningless and will retrun error.
+ Setting negative value is meaningless and will return error.
Default: 65536 Bytes(64KB)
neigh/default/unres_qlen - INTEGER
@@ -125,17 +130,6 @@ somaxconn - INTEGER
Defaults to 128. See also tcp_max_syn_backlog for additional tuning
for TCP sockets.
-tcp_abc - INTEGER
- Controls Appropriate Byte Count (ABC) defined in RFC3465.
- ABC is a way of increasing congestion window (cwnd) more slowly
- in response to partial acknowledgments.
- Possible values are:
- 0 increase cwnd once per acknowledgment (no ABC)
- 1 increase cwnd once per acknowledgment of full sized segment
- 2 allow increase cwnd by two if acknowledgment is
- of two segments to compensate for delayed acknowledgments.
- Default: 0 (off)
-
tcp_abort_on_overflow - BOOLEAN
If listening service is too slow to accept new connections,
reset them. Default state is FALSE. It means that if overflow
@@ -214,8 +208,9 @@ tcp_ecn - INTEGER
congestion before having to drop packets.
Possible values are:
0 Disable ECN. Neither initiate nor accept ECN.
- 1 Always request ECN on outgoing connection attempts.
- 2 Enable ECN when requested by incomming connections
+ 1 Enable ECN when requested by incoming connections and
+ also request ECN on outgoing connection attempts.
+ 2 Enable ECN when requested by incoming connections
but do not request ECN on outgoing connections.
Default: 2
@@ -503,7 +498,7 @@ tcp_fastopen - INTEGER
tcp_syn_retries - INTEGER
Number of times initial SYNs for an active TCP connection attempt
will be retransmitted. Should not be higher than 255. Default value
- is 6, which corresponds to 63seconds till the last restransmission
+ is 6, which corresponds to 63seconds till the last retransmission
with the current initial RTO of 1second. With this the final timeout
for an active TCP connection attempt will happen after 127seconds.
@@ -1331,6 +1326,12 @@ force_tllao - BOOLEAN
race condition where the sender deletes the cached link-layer address
prior to receiving a response to a previous solicitation."
+ndisc_notify - BOOLEAN
+ Define mode for notification of address and device changes.
+ 0 - (default): do nothing
+ 1 - Generate unsolicited neighbour advertisements when device is brought
+ up or hardware address changes.
+
icmp/*:
ratelimit - INTEGER
Limit the maximal rates for sending ICMPv6 packets.
@@ -1530,7 +1531,7 @@ cookie_hmac_alg - STRING
* sha1
* none
Ability to assign md5 or sha1 as the selected alg is predicated on the
- configuarion of those algorithms at build time (CONFIG_CRYPTO_MD5 and
+ configuration of those algorithms at build time (CONFIG_CRYPTO_MD5 and
CONFIG_CRYPTO_SHA1).
Default: Dependent on configuration. MD5 if available, else SHA1 if
@@ -1548,7 +1549,7 @@ rcvbuf_policy - INTEGER
blocking.
1: rcvbuf space is per association
- 0: recbuf space is per socket
+ 0: rcvbuf space is per socket
Default: 0