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authorGal Pressman <gal@nvidia.com>2022-04-06 16:54:20 +0300
committerDavid S. Miller <davem@davemloft.net>2022-04-08 14:13:56 +0300
commit2cd1881b9821be68d1eb748c96311258b16af225 (patch)
tree7f711e244ddcc64a8104b499baad7b9cb23671ee /Documentation/networking
parent2105f700b53c24aa48b65c15652acc386044d26a (diff)
downloadlinux-2cd1881b9821be68d1eb748c96311258b16af225.tar.xz
bonding: Update layer2 and layer2+3 hash formula documentation
When using layer2 or layer2+3 hash, only the 5th byte of the MAC addresses is used. Signed-off-by: Gal Pressman <gal@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/bonding.rst4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/networking/bonding.rst b/Documentation/networking/bonding.rst
index 525e6842dd33..43be3782e5df 100644
--- a/Documentation/networking/bonding.rst
+++ b/Documentation/networking/bonding.rst
@@ -894,7 +894,7 @@ xmit_hash_policy
Uses XOR of hardware MAC addresses and packet type ID
field to generate the hash. The formula is
- hash = source MAC XOR destination MAC XOR packet type ID
+ hash = source MAC[5] XOR destination MAC[5] XOR packet type ID
slave number = hash modulo slave count
This algorithm will place all traffic to a particular
@@ -910,7 +910,7 @@ xmit_hash_policy
Uses XOR of hardware MAC addresses and IP addresses to
generate the hash. The formula is
- hash = source MAC XOR destination MAC XOR packet type ID
+ hash = source MAC[5] XOR destination MAC[5] XOR packet type ID
hash = hash XOR source IP XOR destination IP
hash = hash XOR (hash RSHIFT 16)
hash = hash XOR (hash RSHIFT 8)