1 files changed, 10 insertions, 0 deletions

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 4e9c6d7b4efc..fbe427a6580c 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1297,6 +1297,16 @@ sctp_rmem - vector of 3 INTEGERs: min, default, max
 sctp_wmem  - vector of 3 INTEGERs: min, default, max
         See tcp_wmem for a description.
 
+addr_scope_policy - INTEGER
+        Control IPv4 address scoping - draft-stewart-tsvwg-sctp-ipv4-00
+
+        0   - Disable IPv4 address scoping
+        1   - Enable IPv4 address scoping
+        2   - Follow draft but allow IPv4 private addresses
+        3   - Follow draft but allow IPv4 link local addresses
+
+        Default: 1
+
 
 /proc/sys/net/core/*
 dev_weight - INTEGER