Commit 2cd1881b authored by Gal Pressman's avatar Gal Pressman Committed by David S. Miller
Browse files

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: default avatarGal Pressman <gal@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2105f700

Documentation/networking/bonding.rst

+2 −2
Original line number Diff line number Diff line
@@ -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)