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From: David Ahern <dsahern@gmail.com>
To: Jarod Wilson <jarod@redhat.com>, linux-kernel@vger.kernel.org
Cc: Jay Vosburgh <j.vosburgh@gmail.com>,
	Veaceslav Falico <vfalico@gmail.com>,
	Andy Gospodarek <andy@greyhouse.net>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, Thomas Davis <tadavis@lbl.gov>,
	netdev@vger.kernel.org
Subject: Re: [PATCH net-next v3] bonding: add a vlan+srcmac tx hashing option
Date: Mon, 18 Jan 2021 16:10:38 -0700	[thread overview]
Message-ID: <79af4145-48cc-0961-b341-c0e106beb14b@gmail.com> (raw)
In-Reply-To: <20210115192103.1179450-1-jarod@redhat.com>

On 1/15/21 12:21 PM, Jarod Wilson wrote:
> diff --git a/Documentation/networking/bonding.rst b/Documentation/networking/bonding.rst
> index adc314639085..36562dcd3e1e 100644
> --- a/Documentation/networking/bonding.rst
> +++ b/Documentation/networking/bonding.rst
> @@ -951,6 +951,19 @@ xmit_hash_policy
>  		packets will be distributed according to the encapsulated
>  		flows.
>  
> +	vlan+srcmac
> +
> +		This policy uses a very rudimentary vland ID and source mac

s/vland/vlan/

> +		ID hash to load-balance traffic per-vlan, with failover

drop ID on this line; just 'source mac'.


> +		should one leg fail. The intended use case is for a bond
> +		shared by multiple virtual machines, all configured to
> +		use their own vlan, to give lacp-like functionality
> +		without requiring lacp-capable switching hardware.
> +
> +		The formula for the hash is simply
> +
> +		hash = (vlan ID) XOR (source MAC vendor) XOR (source MAC dev)
> +
>  	The default value is layer2.  This option was added in bonding
>  	version 2.6.3.  In earlier versions of bonding, this parameter
>  	does not exist, and the layer2 policy is the only policy.  The

  reply	other threads:[~2021-01-18 23:12 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-18 19:30 [RFC PATCH net-next] bonding: add a vlan+srcmac tx hashing option Jarod Wilson
2020-12-19  0:18 ` Jay Vosburgh
2021-01-08  0:03   ` Jarod Wilson
2021-01-12 21:12     ` Jarod Wilson
2021-01-12 21:39       ` Jay Vosburgh
2021-01-12 22:32         ` Jarod Wilson
2020-12-28 10:11 ` Jiri Pirko
2021-01-07 23:58   ` Jarod Wilson
2021-01-08 13:12     ` Jiri Pirko
2021-01-08 15:21       ` Jarod Wilson
2021-01-15  2:02       ` question about bonding mode 4 moyufeng
2021-01-23  6:10         ` moyufeng
2021-01-29 19:11           ` Jay Vosburgh
2021-01-30  9:41             ` moyufeng
2021-01-13 22:35 ` [PATCH net-next v2] bonding: add a vlan+mac tx hashing option Jarod Wilson
2021-01-13 23:41   ` [PATCH iproute2] bond: support xmit_hash_policy=vlan+mac Jarod Wilson
2021-01-15 15:12     ` Jarod Wilson
2021-01-15 19:21     ` [PATCH iproute2 v2] bond: support xmit_hash_policy=vlan+srcmac Jarod Wilson
2021-01-23 18:35       ` David Ahern
2021-01-14  1:58   ` [PATCH net-next v2] bonding: add a vlan+mac tx hashing option Jakub Kicinski
2021-01-14 21:11     ` Jarod Wilson
2021-01-14 21:23       ` Jakub Kicinski
2021-01-14 21:42         ` Jarod Wilson
2021-01-14 21:54       ` Jay Vosburgh
2021-01-15 15:08         ` Jarod Wilson
2021-01-15 19:21   ` [PATCH net-next v3] bonding: add a vlan+srcmac " Jarod Wilson
2021-01-18 23:10     ` David Ahern [this message]
2021-01-19  1:04       ` Jarod Wilson
2021-01-19  1:09     ` [PATCH net-next v4] " Jarod Wilson
2021-01-20  6:10       ` patchwork-bot+netdevbpf

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