From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0BFF730DECE for ; Thu, 28 Aug 2025 10:26:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756376820; cv=none; b=hlpSoWslg769pupZVpnErs4Dz7WLaB8ugc6OiWKAZlo3J94l5ZgR6AKxfeXvWtl+831hFzTyrCyM1ZNR/I1n3amBZWqtFZ9Ay/ij0trwttbRYRhW2N1LzYSWsn7g7tVf2tausQkBl+z5PwzCbzuLz2JW+H3lYDr86gucUaTDIus= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756376820; c=relaxed/simple; bh=c9cqPgUO8oKsPqQ28CBq8ZQxot6CBLavcG7eanfYbSU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OEYYwvRgKUm1X4P/xvmkBNHy6dYSzOtRPgJSwkyn+YOLzrRuI2aZdflFRvU3ze9lXS+mOmIXDwzhkg0KVONkQR7VsuXHuBjPinu5FL9huBIqWtvtJr6ka47aPKHp/P+LvDGsExckktLRHXiHCmVZnTr8s3zk4LcpoltzZMwRPWI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=e91LHp+N; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="e91LHp+N" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1084AC4CEEB; Thu, 28 Aug 2025 10:26:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756376819; bh=c9cqPgUO8oKsPqQ28CBq8ZQxot6CBLavcG7eanfYbSU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=e91LHp+NMls5pvq12ta/JVgjf23+KzTO9sjZctElQX9sGV9lhovWMGsiV4Zp9aHQD R3Rnj/GhvOsaKs4Zx+wmDpDyHtR7m37ms4Bw8vM+0AjrS1Z6Gi9WA8iCEEeZdGMnFx FvzTUVu5bSBERktKnO1r7OFU8gvkiubUOpjGs3ruyUnArBxXjMfAZAf31SF1jQAosg tvYyIoY9yNtIO3lsx3QcXC1GllNW9z3NzqJJQRexe+e2u2bGlUAtju6V6bcxCzpcoi GhjvEp6JbrMy/U37ijHbr+lOI2MPSH8iUccLd+Kt3f8VrWlSJwTYl0mWwxCcO9ojEe SwL1EI0Jg1kNA== Date: Thu, 28 Aug 2025 11:26:56 +0100 From: Simon Horman To: Alexander Duyck Cc: netdev@vger.kernel.org, kuba@kernel.org, kernel-team@meta.com, andrew+netdev@lunn.ch, pabeni@redhat.com, davem@davemloft.net Subject: Re: [net-next PATCH 4/4] fbnic: Push local unicast MAC addresses to FW to populate TCAMs Message-ID: <20250828102656.GY10519@horms.kernel.org> References: <175623715978.2246365.7798520806218461199.stgit@ahduyck-xeon-server.home.arpa> <175623750782.2246365.9178255870985916357.stgit@ahduyck-xeon-server.home.arpa> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <175623750782.2246365.9178255870985916357.stgit@ahduyck-xeon-server.home.arpa> On Tue, Aug 26, 2025 at 12:45:07PM -0700, Alexander Duyck wrote: > From: Alexander Duyck > > 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 Reviewed-by: Simon Horman