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authorDavid Ahern <dsahern@gmail.com>2018-03-02 19:32:18 +0300
committerDavid S. Miller <davem@davemloft.net>2018-03-04 21:04:23 +0300
commitb4bac172e90ce4a93df8adf44eb70d91b9d611eb (patch)
tree875d572b15ee7f2ea7a06dcf5be4faa6c0865967 /Documentation/networking/ip-sysctl.txt
parentb75cc8f90f07342467b3bd51dbc0054f185032c9 (diff)
downloadlinux-b4bac172e90ce4a93df8adf44eb70d91b9d611eb.tar.xz
net/ipv6: Add support for path selection using hash of 5-tuple
Some operators prefer IPv6 path selection to use a standard 5-tuple hash rather than just an L3 hash with the flow the label. To that end add support to IPv6 for multipath hash policy similar to bf4e0a3db97eb ("net: ipv4: add support for ECMP hash policy choice"). The default is still L3 which covers source and destination addresses along with flow label and IPv6 protocol. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Tested-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
-rw-r--r--Documentation/networking/ip-sysctl.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index a553d4e4a0fb..783675a730e5 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1363,6 +1363,13 @@ flowlabel_reflect - BOOLEAN
FALSE: disabled
Default: FALSE
+fib_multipath_hash_policy - INTEGER
+ Controls which hash policy to use for multipath routes.
+ Default: 0 (Layer 3)
+ Possible values:
+ 0 - Layer 3 (source and destination addresses plus flow label)
+ 1 - Layer 4 (standard 5-tuple)
+
anycast_src_echo_reply - BOOLEAN
Controls the use of anycast addresses as source addresses for ICMPv6
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