netdev - Re: [net-next PATCH 4/4] fbnic: Push local unicast MAC addresses to FW to populate TCAMs

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Message-ID: <20250828102656.GY10519@horms.kernel.org>
Date: Thu, 28 Aug 2025 11:26:56 +0100
From: Simon Horman <horms@...nel.org>
To: Alexander Duyck <alexander.duyck@...il.com>
Cc: netdev@...r.kernel.org, kuba@...nel.org, kernel-team@...a.com,
	andrew+netdev@...n.ch, pabeni@...hat.com, davem@...emloft.net
Subject: Re: [net-next PATCH 4/4] fbnic: Push local unicast MAC addresses to
 FW to populate TCAMs

On Tue, Aug 26, 2025 at 12:45:07PM -0700, Alexander Duyck wrote:
> From: Alexander Duyck <alexanderduyck@...com>
> 
> The MACDA TCAM can only be accessed by one entity at a time and as such we
> cannot have simultaneous reads from the firmware to probe for changes from
> the host. As such we have to send a message indicating what the state of
> the MACDA is to the firmware when we updated it so that the firmware can
> sync up the TCAMs it owns to route BMC packets to the host.
> 
> To support that we are adding a new message that is invoked when we write
> the MACDA that will notify the firmware of updates from the host and allow
> it to sync up the TCAM configuration to match the one on the host side.
> 
> Signed-off-by: Alexander Duyck <alexanderduyck@...com>

Reviewed-by: Simon Horman <horms@...nel.org>