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-rw-r--r--Documentation/networking/ip-sysctl.txt49
1 files changed, 47 insertions, 2 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 26364d06ae92..f12007b80a46 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -355,6 +355,13 @@ somaxconn - INTEGER
Defaults to 128. See also tcp_max_syn_backlog for additional tuning
for TCP sockets.
+tcp_workaround_signed_windows - BOOLEAN
+ If set, assume no receipt of a window scaling option means the
+ remote TCP is broken and treats the window as a signed quantity.
+ If unset, assume the remote TCP is not broken even if we do
+ not receive a window scaling option from them.
+ Default: 0
+
IP Variables:
ip_local_port_range - 2 INTEGERS
@@ -619,6 +626,11 @@ arp_ignore - INTEGER
The max value from conf/{all,interface}/arp_ignore is used
when ARP request is received on the {interface}
+arp_accept - BOOLEAN
+ Define behavior when gratuitous arp replies are received:
+ 0 - drop gratuitous arp frames
+ 1 - accept gratuitous arp frames
+
app_solicit - INTEGER
The maximum number of probes to send to the user space ARP daemon
via netlink before dropping back to multicast probes (see
@@ -717,6 +729,33 @@ accept_ra - BOOLEAN
Functional default: enabled if local forwarding is disabled.
disabled if local forwarding is enabled.
+accept_ra_defrtr - BOOLEAN
+ Learn default router in Router Advertisement.
+
+ Functional default: enabled if accept_ra is enabled.
+ disabled if accept_ra is disabled.
+
+accept_ra_pinfo - BOOLEAN
+ Learn Prefix Inforamtion in Router Advertisement.
+
+ Functional default: enabled if accept_ra is enabled.
+ disabled if accept_ra is disabled.
+
+accept_ra_rt_info_max_plen - INTEGER
+ Maximum prefix length of Route Information in RA.
+
+ Route Information w/ prefix larger than or equal to this
+ variable shall be ignored.
+
+ Functional default: 0 if accept_ra_rtr_pref is enabled.
+ -1 if accept_ra_rtr_pref is disabled.
+
+accept_ra_rtr_pref - BOOLEAN
+ Accept Router Preference in RA.
+
+ Functional default: enabled if accept_ra is enabled.
+ disabled if accept_ra is disabled.
+
accept_redirects - BOOLEAN
Accept Redirects.
@@ -727,8 +766,8 @@ autoconf - BOOLEAN
Autoconfigure addresses using Prefix Information in Router
Advertisements.
- Functional default: enabled if accept_ra is enabled.
- disabled if accept_ra is disabled.
+ Functional default: enabled if accept_ra_pinfo is enabled.
+ disabled if accept_ra_pinfo is disabled.
dad_transmits - INTEGER
The amount of Duplicate Address Detection probes to send.
@@ -771,6 +810,12 @@ mtu - INTEGER
Default Maximum Transfer Unit
Default: 1280 (IPv6 required minimum)
+router_probe_interval - INTEGER
+ Minimum interval (in seconds) between Router Probing described
+ in RFC4191.
+
+ Default: 60
+
router_solicitation_delay - INTEGER
Number of seconds to wait after interface is brought up
before sending Router Solicitations.