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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=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=ham 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 9EB16C3B1BF for ; Sun, 16 Feb 2020 21:08:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7449A208C3 for ; Sun, 16 Feb 2020 21:08:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581887310; bh=XpypPE1fCkyxVWBL5gUfiePN0m0gUNYfeusYLpVFucE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=BBKLHJzLJDXHhZJAw+0/Rj13s2GAE6vjzjaxKOMmL2ynlKN0o4U8D3UvWUX6j+kFa 1JTbWzxzx0BXQYnbTvVZzZ3ww1JiOTQtieRATi3gSYeYPqQhsigwiPaZpNhx8PNd6/ PL/8YD26xcf+CHSFAihVB3BOl9ra19J2+OjQPcPY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728235AbgBPVI3 (ORCPT ); Sun, 16 Feb 2020 16:08:29 -0500 Received: from mail.kernel.org ([198.145.29.99]:59196 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728180AbgBPVI2 (ORCPT ); Sun, 16 Feb 2020 16:08:28 -0500 Received: from localhost.localdomain (unknown [151.48.137.85]) (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 85F0120726; Sun, 16 Feb 2020 21:08:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581887307; bh=XpypPE1fCkyxVWBL5gUfiePN0m0gUNYfeusYLpVFucE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GYOTskG6vZPAzzwXSzqweSwn06+DlL32wQqVtkN+wk2RFU11EvnglvKFhzVty/LmG ko6GRBe1DHVy/l+7LfSJMKooxI056VccDwV6IWcQx2AfybDydikn7JYzbTj4MTcUxQ xc+DCvqIFaQl0DmP4xlwUGisbsJUyzyKETp/gi+w= From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: ilias.apalodimas@linaro.org, davem@davemloft.net, lorenzo.bianconi@redhat.com, brouer@redhat.com Subject: [PATCH net-next 5/5] net: mvneta: get rid of xdp_ret in mvneta_swbm_rx_frame Date: Sun, 16 Feb 2020 22:07:33 +0100 Message-Id: <7984981598af702a67e5b2560c7616a9665ee808.1581886691.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Get rid of xdp_ret in mvneta_swbm_rx_frame routine since now we can rely on xdp_stats to flush in case of xdp_redirect Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/marvell/mvneta.c | 30 ++++++++++++--------------- 1 file changed, 13 insertions(+), 17 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index e4eb2bd097d4..b7045b6a15c2 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -358,10 +358,10 @@ struct mvneta_statistic { #define T_REG_64 64 #define T_SW 1 -#define MVNETA_XDP_PASS BIT(0) -#define MVNETA_XDP_DROPPED BIT(1) -#define MVNETA_XDP_TX BIT(2) -#define MVNETA_XDP_REDIR BIT(3) +#define MVNETA_XDP_PASS 0 +#define MVNETA_XDP_DROPPED BIT(0) +#define MVNETA_XDP_TX BIT(1) +#define MVNETA_XDP_REDIR BIT(2) static const struct mvneta_statistic mvneta_statistics[] = { { 0x3000, T_REG_64, "good_octets_received", }, @@ -2183,13 +2183,14 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp, struct mvneta_rx_queue *rxq, struct xdp_buff *xdp, struct bpf_prog *xdp_prog, - struct page *page, u32 *xdp_ret, + struct page *page, struct mvneta_stats *stats) { unsigned char *data = page_address(page); int data_len = -MVNETA_MH_SIZE, len; struct net_device *dev = pp->dev; enum dma_data_direction dma_dir; + int ret = 0; if (MVNETA_SKB_SIZE(rx_desc->data_size) > PAGE_SIZE) { len = MVNETA_MAX_RX_BUF_SIZE; @@ -2213,14 +2214,9 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp, xdp_set_data_meta_invalid(xdp); if (xdp_prog) { - u32 ret; - ret = mvneta_run_xdp(pp, rxq, xdp_prog, xdp, stats); - if (ret != MVNETA_XDP_PASS) { - rx_desc->buf_phys_addr = 0; - *xdp_ret |= ret; - return ret; - } + if (ret) + goto out; } rxq->skb = build_skb(xdp->data_hard_start, PAGE_SIZE); @@ -2244,9 +2240,11 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp, mvneta_rx_csum(pp, rx_desc->status, rxq->skb); rxq->left_size = rx_desc->data_size - len; + +out: rx_desc->buf_phys_addr = 0; - return 0; + return ret; } static void @@ -2292,7 +2290,6 @@ static int mvneta_rx_swbm(struct napi_struct *napi, struct mvneta_stats ps = {}; struct bpf_prog *xdp_prog; struct xdp_buff xdp_buf; - u32 xdp_ret = 0; /* Get number of received packets */ rx_todo = mvneta_rxq_busy_desc_num_get(pp, rxq); @@ -2325,8 +2322,7 @@ static int mvneta_rx_swbm(struct napi_struct *napi, } err = mvneta_swbm_rx_frame(pp, rx_desc, rxq, &xdp_buf, - xdp_prog, page, &xdp_ret, - &ps); + xdp_prog, page, &ps); if (err) continue; } else { @@ -2364,7 +2360,7 @@ static int mvneta_rx_swbm(struct napi_struct *napi, } rcu_read_unlock(); - if (xdp_ret & MVNETA_XDP_REDIR) + if (ps.xdp_redirect) xdp_do_flush_map(); if (ps.rx_packets) -- 2.24.1