summaryrefslogtreecommitdiff
path: root/Documentation/networking/ip-sysctl.rst
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/networking/ip-sysctl.rst')
-rw-r--r--Documentation/networking/ip-sysctl.rst26
1 files changed, 18 insertions, 8 deletions
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index d91ab28718d4..c61cc0219f4c 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -989,14 +989,6 @@ tcp_challenge_ack_limit - INTEGER
in RFC 5961 (Improving TCP's Robustness to Blind In-Window Attacks)
Default: 1000
-tcp_rx_skb_cache - BOOLEAN
- Controls a per TCP socket cache of one skb, that might help
- performance of some workloads. This might be dangerous
- on systems with a lot of TCP sockets, since it increases
- memory usage.
-
- Default: 0 (disabled)
-
UDP variables
=============
@@ -1619,6 +1611,15 @@ arp_accept - BOOLEAN
gratuitous arp frame, the arp table will be updated regardless
if this setting is on or off.
+arp_evict_nocarrier - BOOLEAN
+ Clears the ARP cache on NOCARRIER events. This option is important for
+ wireless devices where the ARP cache should not be cleared when roaming
+ between access points on the same network. In most cases this should
+ remain as the default (1).
+
+ - 1 - (default): Clear the ARP cache on NOCARRIER events
+ - 0 - Do not clear ARP cache on NOCARRIER events
+
mcast_solicit - INTEGER
The maximum number of multicast probes in INCOMPLETE state,
when the associated hardware address is unknown. Defaults
@@ -2349,6 +2350,15 @@ ndisc_tclass - INTEGER
* 0 - (default)
+ndisc_evict_nocarrier - BOOLEAN
+ Clears the neighbor discovery table on NOCARRIER events. This option is
+ important for wireless devices where the neighbor discovery cache should
+ not be cleared when roaming between access points on the same network.
+ In most cases this should remain as the default (1).
+
+ - 1 - (default): Clear neighbor discover cache on NOCARRIER events.
+ - 0 - Do not clear neighbor discovery cache on NOCARRIER events.
+
mldv1_unsolicited_report_interval - INTEGER
The interval in milliseconds in which the next unsolicited
MLDv1 report retransmit will take place.