tcp: configurable source port perturb table size

[sfrench/cifs-2.6.git] / net / ipv4 / Kconfig

diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index e983bb0c50127059c735c9e989747c9215596784..2dfb12230f08943e52c39e36e22616db794cd1f7 100644 (file)
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -402,6 +402,16 @@ config INET_IPCOMP
 
          If unsure, say Y.
 
+config INET_TABLE_PERTURB_ORDER
+       int "INET: Source port perturbation table size (as power of 2)" if EXPERT
+       default 16
+       help
+         Source port perturbation table size (as power of 2) for
+         RFC 6056 3.3.4.  Algorithm 4: Double-Hash Port Selection Algorithm.
+
+         The default is almost always what you want.
+         Only change this if you know what you are doing.
+
 config INET_XFRM_TUNNEL
        tristate
        select INET_TUNNEL