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 5ACE333E369; Tue, 11 Nov 2025 10:04:08 +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=1762855448; cv=none; b=ZFod8rmc6i9smvYKh4CPf6QvKYsSqnFi4fID4yGd7lhUdhAPd7GcV973PKJKek6iET/U/6QoW9L5YMtnQTyfrpbpvpcPdqhHLeL1MZEu0baVOLqhFWDrdkI6xMdBfiQdAZlmREVgaELMTZubi9VXJlROn4sDmtX1qauhCk/qrOo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762855448; c=relaxed/simple; bh=i6ovkRiqPwMnCSQYAXDn8fA6TBV/no3cohkxGYIGngU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JH6l/JYZ6yIz1sf2MEDmLT8xS7UZvtQvnS8gunayCznXR4mZb23EuT7tTT5dFvOrDbfGLXsWpQFwfzn9C4ciAC6/kotv2OINso9mrtqMxhx9x2pge7yVhehPMRBUTPrPqTj7bl3FmG+coEjO/NYxOc9JENPrzajZDcOM29jHfPA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IBBVCLv/; 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="IBBVCLv/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D162C4CEFB; Tue, 11 Nov 2025 10:04:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762855447; bh=i6ovkRiqPwMnCSQYAXDn8fA6TBV/no3cohkxGYIGngU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=IBBVCLv/WgqLScYQRjF4DgJxLc5PZ9PNimXaQpIhaBrwlTCqcL+e4qb7LreYlEF9f ZaT9OJ7cjNwpXA1htez5sc2PlzzwaeemZ2yvcyqmUPznQDqVpqbrvc1LNDtk9NX4+3 sFS95Nn81pFGTc2afBNkMCtyrpayTO07eKqQBq1NVbbohJrl6JtpNrjHY0/XypO0iT p1H/ioMgetso3qEvKMaU7kPPwV6BSg/cTwCFDmmKdFh5f6ws87XeoJUU4MiyDS6Ofw /EUuQeM1xcOaqCNV1t6FCyl2tJzQz8VgryRpqGoes5IiTzGeJW2qLyYHbn0yvKblrT O4G9425daFLig== Date: Tue, 11 Nov 2025 12:04:03 +0200 From: Leon Romanovsky To: Bjorn Helgaas , Saeed Mahameed , Tariq Toukan , Mark Bloch , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, Yishai Hadas , Edward Srouji Subject: Re: [PATCH mlx5-next 0/2] Add support for direct steering tag mode for RDMA mlx5_ib driver Message-ID: <20251111100403.GA692490@unreal> References: <20251027-st-direct-mode-v1-0-e0ad953866b6@nvidia.com> Precedence: bulk X-Mailing-List: linux-pci@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: <20251027-st-direct-mode-v1-0-e0ad953866b6@nvidia.com> On Mon, Oct 27, 2025 at 11:34:00AM +0200, Leon Romanovsky wrote: > >From Yishai: > > Add support for direct steering mode where ST table location equals > PCI_TPH_LOC_NONE. > > In that case, no steering table exists, the steering tag itself will be > used directly by the SW, FW, HW from the mkey. > > In that mode of work, the driver is not limited any more to the 64 max > entries of the capability config space table. > > The first patch in the series exposes the pcie_tph_get_st_table_loc() > API to let drivers detect the ST table location. > > The second patch uses the direct mode in case the location equals > PCI_TPH_LOC_NONE. > > This enables RDMA users working in that direct mode. > > Thanks > > --- > Yishai Hadas (2): > PCI/TPH: Expose pcie_tph_get_st_table_loc() > net/mlx5: Add direct ST mode support for RDMA Thanks, applied to mlx5-next.