From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DFCFC433FE for ; Fri, 18 Mar 2022 20:53:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240870AbiCRUyh (ORCPT ); Fri, 18 Mar 2022 16:54:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237255AbiCRUyd (ORCPT ); Fri, 18 Mar 2022 16:54:33 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5CA05DEB7 for ; Fri, 18 Mar 2022 13:53:12 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id EB5F360CA0 for ; Fri, 18 Mar 2022 20:53:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0AB35C340F6; Fri, 18 Mar 2022 20:53:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1647636791; bh=+IMVoc+yvwHIGOVU+vdGvTPAxaD059KaRrFh1eNVn8M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W7ZBwNGB1DvfC6wmavHOGzWFbTECMTTbCcUKHV9z+19XvJMZJwwaOmkB6K5ujuqt2 2lDQtDd6V17vL1mUnZV8X5qpFWNuv6LC9Xr0cG8OYAtmPLGYeVXd99hzwLTm1jpyzf cxfuE8tEuk3Y3UPPXcwSE+bxIDFvJQsVG9pSkFz8bVAKpMuAuwZS5RXILt1tCQ9COJ +IKLqwQlEYKz/a+bo1b8AcV3kiM+mM5qm6KWaeunjIGb0d6mcT13zvspOxiYmq/rVS tv7BrLRiC0yz3xNnfpPHnVpx9MQcZ0W7RyFazBM1veFfQPnz/f8ar4ybKZD4prm0Vn Ga8x/B7HIbqGw== From: Saeed Mahameed To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Maxim Mikityanskiy , Tariq Toukan , Saeed Mahameed Subject: [net-next 03/15] net/mlx5e: Use page-sized fragments with XDP multi buffer Date: Fri, 18 Mar 2022 13:52:36 -0700 Message-Id: <20220318205248.33367-4-saeed@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220318205248.33367-1-saeed@kernel.org> References: <20220318205248.33367-1-saeed@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Maxim Mikityanskiy The implementation of XDP in mlx5e assumes that the frame size is equal to the page size. Force this limitation in the non-linear mode for XDP multi buffer. Signed-off-by: Maxim Mikityanskiy Reviewed-by: Tariq Toukan Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en/params.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c index 822fbb9b80e7..9646867872c1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c @@ -444,7 +444,7 @@ static int mlx5e_build_rq_frags_info(struct mlx5_core_dev *mdev, max_mtu = mlx5e_max_nonlinear_mtu(first_frag_size_max, frag_size_max, params->xdp_prog); - if (byte_count > max_mtu) { + if (byte_count > max_mtu || params->xdp_prog) { frag_size_max = PAGE_SIZE; first_frag_size_max = SKB_WITH_OVERHEAD(frag_size_max - headroom); -- 2.35.1