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-rw-r--r--Documentation/networking/ip-sysctl.txt32
1 files changed, 26 insertions, 6 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 1619a8c..6f896b9 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -190,6 +190,20 @@ tcp_cookie_size - INTEGER
tcp_dsack - BOOLEAN
Allows TCP to send "duplicate" SACKs.
+tcp_early_retrans - INTEGER
+ Enable Early Retransmit (ER), per RFC 5827. ER lowers the threshold
+ for triggering fast retransmit when the amount of outstanding data is
+ small and when no previously unsent data can be transmitted (such
+ that limited transmit could be used).
+ Possible values:
+ 0 disables ER
+ 1 enables ER
+ 2 enables ER but delays fast recovery and fast retransmit
+ by a fourth of RTT. This mitigates connection falsely
+ recovers when network has a small degree of reordering
+ (less than 3 packets).
+ Default: 2
+
tcp_ecn - INTEGER
Enable Explicit Congestion Notification (ECN) in TCP. ECN is only
used when both ends of the TCP flow support it. It is useful to
@@ -1287,13 +1301,22 @@ bridge-nf-call-ip6tables - BOOLEAN
bridge-nf-filter-vlan-tagged - BOOLEAN
1 : pass bridged vlan-tagged ARP/IP/IPv6 traffic to {arp,ip,ip6}tables.
0 : disable this.
- Default: 1
+ Default: 0
bridge-nf-filter-pppoe-tagged - BOOLEAN
1 : pass bridged pppoe-tagged IP/IPv6 traffic to {ip,ip6}tables.
0 : disable this.
- Default: 1
+ Default: 0
+bridge-nf-pass-vlan-input-dev - BOOLEAN
+ 1: if bridge-nf-filter-vlan-tagged is enabled, try to find a vlan
+ interface on the bridge and set the netfilter input device to the vlan.
+ This allows use of e.g. "iptables -i br0.1" and makes the REDIRECT
+ target work with vlan-on-top-of-bridge interfaces. When no matching
+ vlan interface is found, or this switch is off, the input device is
+ set to the bridge interface.
+ 0: disable bridge netfilter vlan interface lookup.
+ Default: 0
proc/sys/net/sctp/* Variables:
@@ -1484,11 +1507,8 @@ addr_scope_policy - INTEGER
/proc/sys/net/core/*
-dev_weight - INTEGER
- The maximum number of packets that kernel can handle on a NAPI
- interrupt, it's a Per-CPU variable.
+ Please see: Documentation/sysctl/net.txt for descriptions of these entries.
- Default: 64
/proc/sys/net/unix/*
max_dgram_qlen - INTEGER