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 0B323333A81; Wed, 17 Sep 2025 12:55:15 +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=1758113716; cv=none; b=rLSpavd/pI/LKPWyVAPZRpizBbTrsYJcroe6uGRxPWqVAx4xch5srjpamZjrWLFdPTHz4e5rWyJGPfq+kUUF9cUogXmydcIO4LCCNk8r0Ce/cieWaX96THfuUpq+HTPjG1eEXRPC7jnlJi4uEimVxVpqKIEp56rWP+b7kM6MxWc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758113716; c=relaxed/simple; bh=TYQtlgvSng2iFA2KlYjo/e56uqI8meuMRZgjEowGrMg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YKogWHpgec2wpoDqcjZaCzZQjL/lHBrcw9tzy2kG+Xj3t/5a7YAkOvdum+ccBT8yPCCA7XAVvndphRlHcXomTdZxIvaM1yzzunFUERM52nw5GTrnlywoZCgGRXMUEzKkhJTip8fhUtPE9obLd0UGuUGRRt0wPZoGoI/T/JF8Z6Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fyJj+cYJ; 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="fyJj+cYJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A164C4CEF7; Wed, 17 Sep 2025 12:55:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758113715; bh=TYQtlgvSng2iFA2KlYjo/e56uqI8meuMRZgjEowGrMg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fyJj+cYJH8/TjSQfgk7wpnEYPd6AxDkX5rJ2tyTC2r1YF+728aFMSAOCQdbqN7CPa LQUCCyq2hS0slPTVVcoe9ao+uEowCwYgtfcWWU8I/JUApuQxZ8v+mZyUoJDAY2E2Wy d7K+2Sy/6BicAasfd8yCDHgnhKCv86BpLTJh7LqGS2aOorFl96JoMee1x5+tbX4k2c t+1huNrrN7AOHeaGxP4IVqIf+HJt6XzAokY4Wp5OFOw75QEAPTuPOO0jyKis+1kUac UaHdu1meuwZFPkcAD8CgtNO0fVt/ygqBCNKBTU2FNQlka+Yrkcl1ghiF8lctBKvrxu 4qP2AGXYskzyw== Date: Wed, 17 Sep 2025 13:55:09 +0100 From: Simon Horman To: Tariq Toukan Cc: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" , Jiri Pirko , Jonathan Corbet , Leon Romanovsky , Jason Gunthorpe , Saeed Mahameed , Mark Bloch , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, bpf@vger.kernel.org, Gal Pressman , Cosmin Ratiu , Dragos Tatulea , Jiri Pirko , Jason Gunthorpe Subject: Re: [PATCH net-next V2 07/10] net/mlx5e: Use multiple TX doorbells Message-ID: <20250917125509.GH394836@horms.kernel.org> References: <1758031904-634231-1-git-send-email-tariqt@nvidia.com> <1758031904-634231-8-git-send-email-tariqt@nvidia.com> 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: <1758031904-634231-8-git-send-email-tariqt@nvidia.com> On Tue, Sep 16, 2025 at 05:11:41PM +0300, Tariq Toukan wrote: > From: Cosmin Ratiu > > First, allocate more doorbells in mlx5e_create_mdev_resources: > - one doorbell remains 'global' and will be used by all non-channel > associated SQs (e.g. ASO, HWS, PTP, ...). > - allocate additional 'num_doorbells' doorbells. This defaults to > minimum between 8 and max number of channels. > > mlx5e_channel_pick_doorbell() now spreads out channel SQs across > available doorbells. > > Signed-off-by: Cosmin Ratiu > Reviewed-by: Dragos Tatulea > Signed-off-by: Tariq Toukan Reviewed-by: Simon Horman