From patchwork Wed Nov 4 10:22:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 11880171 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF795C4741F for ; Wed, 4 Nov 2020 10:24:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 581AF223FD for ; Wed, 4 Nov 2020 10:24:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604485470; bh=2T02Rnj9JSqlSyqTOWwETG3CNvYOciUI7owaOFmtoLQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=bBTEFBc/xGRoUouiJwvKdmI8dD6yXb5xIVSgriHSkKwh6szTq5M8y0stb+DKFq51m 6u0PRVFwz8neHDtZinXsljPeNz9Yt+bPpOZoey5PeYQOgYx2ZsXybEiYpE+a4Xbwiq QIAnax4aPAhzSd0ynffH+FoPzdtAHgkDp0l3Dt0g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728722AbgKDKYU (ORCPT ); Wed, 4 Nov 2020 05:24:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:53228 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729355AbgKDKXW (ORCPT ); Wed, 4 Nov 2020 05:23:22 -0500 Received: from lore-desk.redhat.com (unknown [151.66.8.153]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D1DC7223FD; Wed, 4 Nov 2020 10:23:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604485401; bh=2T02Rnj9JSqlSyqTOWwETG3CNvYOciUI7owaOFmtoLQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G4jCE5nxQDLJja4wZk3QNIuw0/25+ovfmzCmcywd2yMdlivmCgwo0sV12hjzcIP/V WGqdRL6r5osVl3+SxB0avN0a2xfZ/ZZE3qCOv1SM5IL/cQp9awj6UWd6i+zgcheO7P 9SNtSBb5mNM3R5uwlMqpS9GCwhjhVH/1tMQng2uw= From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: bpf@vger.kernel.org, lorenzo.bianconi@redhat.com, davem@davemloft.net, kuba@kernel.org, brouer@redhat.com, ilias.apalodimas@linaro.org Subject: [PATCH v3 net-next 5/5] net: mlx5: add xdp tx return bulking support Date: Wed, 4 Nov 2020 11:22:58 +0100 Message-Id: X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Convert mlx5 driver to xdp_return_frame_bulk APIs. XDP_REDIRECT (upstream codepath): 8.5Mpps XDP_REDIRECT (upstream codepath + bulking APIs): 10.1Mpps Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index ae90d533a350..5fdfbf390d5c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -369,8 +369,10 @@ static void mlx5e_free_xdpsq_desc(struct mlx5e_xdpsq *sq, bool recycle) { struct mlx5e_xdp_info_fifo *xdpi_fifo = &sq->db.xdpi_fifo; + struct xdp_frame_bulk bq; u16 i; + bq.xa = NULL; for (i = 0; i < wi->num_pkts; i++) { struct mlx5e_xdp_info xdpi = mlx5e_xdpi_fifo_pop(xdpi_fifo); @@ -379,7 +381,7 @@ static void mlx5e_free_xdpsq_desc(struct mlx5e_xdpsq *sq, /* XDP_TX from the XSK RQ and XDP_REDIRECT */ dma_unmap_single(sq->pdev, xdpi.frame.dma_addr, xdpi.frame.xdpf->len, DMA_TO_DEVICE); - xdp_return_frame(xdpi.frame.xdpf); + xdp_return_frame_bulk(xdpi.frame.xdpf, &bq); break; case MLX5E_XDP_XMIT_MODE_PAGE: /* XDP_TX from the regular RQ */ @@ -393,6 +395,7 @@ static void mlx5e_free_xdpsq_desc(struct mlx5e_xdpsq *sq, WARN_ON_ONCE(true); } } + xdp_flush_frame_bulk(&bq); } bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq)