* [PATCH] bonding: Update layer2 and layer2+3 hash formula documentation
@ 2022-04-06 13:54 Gal Pressman
2022-04-08 11:20 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: Gal Pressman @ 2022-04-06 13:54 UTC (permalink / raw)
To: David S. Miller, Jakub Kicinski, Paolo Abeni, Jonathan Corbet,
Jay Vosburgh, Veaceslav Falico, Andy Gospodarek
Cc: netdev, linux-kernel, linux-doc, Gal Pressman
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>
---
Documentation/networking/bonding.rst | 4 ++--
1 file 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)
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] bonding: Update layer2 and layer2+3 hash formula documentation
2022-04-06 13:54 [PATCH] bonding: Update layer2 and layer2+3 hash formula documentation Gal Pressman
@ 2022-04-08 11:20 ` patchwork-bot+netdevbpf
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-04-08 11:20 UTC (permalink / raw)
To: Gal Pressman
Cc: davem, kuba, pabeni, corbet, j.vosburgh, vfalico, andy, netdev,
linux-kernel, linux-doc
Hello:
This patch was applied to netdev/net.git (master)
by David S. Miller <davem@davemloft.net>:
On Wed, 6 Apr 2022 16:54:20 +0300 you wrote:
> 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>
> ---
> Documentation/networking/bonding.rst | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Here is the summary with links:
- bonding: Update layer2 and layer2+3 hash formula documentation
https://git.kernel.org/netdev/net/c/2cd1881b9821
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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2022-04-08 11:20 ` patchwork-bot+netdevbpf
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