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=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 E3DBCC34050 for ; Wed, 19 Feb 2020 09:57:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD2AE24658 for ; Wed, 19 Feb 2020 09:57:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582106272; bh=HDpGa9t2mlk/qeWGVPL2lJCrLYCMr7KkBb+ZD4aNI/Y=; h=From:To:Cc:Subject:Date:List-ID:From; b=CDrmj906OVOEoC7ez+0HH1ekx1XexheykgqTi/hLMGWOZNuV1DSJCnl4EQYZtrLWW 780dd+dQBdnOScXOHjIrq4th76+wz50lmd8+BV39hdHCwkuqfhS0NjOcevYyrLxq0m nvoF3GdmKItta9WeBRUhGTBbXJlUuaZ29LnJ45vI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726647AbgBSJ5w (ORCPT ); Wed, 19 Feb 2020 04:57:52 -0500 Received: from mail.kernel.org ([198.145.29.99]:60622 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726450AbgBSJ5w (ORCPT ); Wed, 19 Feb 2020 04:57:52 -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 3794521D56; Wed, 19 Feb 2020 09:57:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582106270; bh=HDpGa9t2mlk/qeWGVPL2lJCrLYCMr7KkBb+ZD4aNI/Y=; h=From:To:Cc:Subject:Date:From; b=YNfJBYcDBmiqf57L2VbwBFTtoAL0s+k4hQGGHwxjoSttctmmIyEeLI0B+6H2u3jo0 SqqrEeyCNQ7Sy9NEg0jtxW3x91xzbCKR0XqfkXWAp+tXwvruFXUT/3Rec5z26u1A2P eiRePQLCwuMrZi/+sLcuaszUOrtLn8IYobZBwHys= From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: ilias.apalodimas@linaro.org, davem@davemloft.net, kuba@kernel.org, lorenzo.bianconi@redhat.com, brouer@redhat.com, dsahern@kernel.org, bpf@vger.kernel.org Subject: [PATCH net-next] net: mvneta: align xdp stats naming scheme to mlx5 driver Date: Wed, 19 Feb 2020 10:57:37 +0100 Message-Id: <6c5f27aff46e6dd6be92ce29b65bc3670eeabffc.1582105994.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.24.1 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 Introduce "rx" prefix in the name scheme for xdp counters on rx path. Differentiate between XDP_TX and ndo_xdp_xmit counters Signed-off-by: Lorenzo Bianconi --- Changes since RFC: - rename rx_xdp_tx_xmit in rx_xdp_tx - move tx stats accounting in mvneta_xdp_xmit_back/mvneta_xdp_xmit --- drivers/net/ethernet/marvell/mvneta.c | 52 ++++++++++++++++++--------- 1 file changed, 36 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index b7045b6a15c2..8e1feb678cea 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -344,6 +344,7 @@ enum { ETHTOOL_XDP_REDIRECT, ETHTOOL_XDP_PASS, ETHTOOL_XDP_DROP, + ETHTOOL_XDP_XMIT, ETHTOOL_XDP_TX, ETHTOOL_MAX_STATS, }; @@ -399,10 +400,11 @@ static const struct mvneta_statistic mvneta_statistics[] = { { ETHTOOL_STAT_EEE_WAKEUP, T_SW, "eee_wakeup_errors", }, { ETHTOOL_STAT_SKB_ALLOC_ERR, T_SW, "skb_alloc_errors", }, { ETHTOOL_STAT_REFILL_ERR, T_SW, "refill_errors", }, - { ETHTOOL_XDP_REDIRECT, T_SW, "xdp_redirect", }, - { ETHTOOL_XDP_PASS, T_SW, "xdp_pass", }, - { ETHTOOL_XDP_DROP, T_SW, "xdp_drop", }, - { ETHTOOL_XDP_TX, T_SW, "xdp_tx", }, + { ETHTOOL_XDP_REDIRECT, T_SW, "rx_xdp_redirect", }, + { ETHTOOL_XDP_PASS, T_SW, "rx_xdp_pass", }, + { ETHTOOL_XDP_DROP, T_SW, "rx_xdp_drop", }, + { ETHTOOL_XDP_TX, T_SW, "rx_xdp_tx", }, + { ETHTOOL_XDP_XMIT, T_SW, "tx_xdp_xmit", }, }; struct mvneta_stats { @@ -414,6 +416,7 @@ struct mvneta_stats { u64 xdp_redirect; u64 xdp_pass; u64 xdp_drop; + u64 xdp_xmit; u64 xdp_tx; }; @@ -2012,7 +2015,6 @@ static int mvneta_xdp_submit_frame(struct mvneta_port *pp, struct mvneta_tx_queue *txq, struct xdp_frame *xdpf, bool dma_map) { - struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); struct mvneta_tx_desc *tx_desc; struct mvneta_tx_buf *buf; dma_addr_t dma_addr; @@ -2047,12 +2049,6 @@ mvneta_xdp_submit_frame(struct mvneta_port *pp, struct mvneta_tx_queue *txq, tx_desc->buf_phys_addr = dma_addr; tx_desc->data_size = xdpf->len; - u64_stats_update_begin(&stats->syncp); - stats->es.ps.tx_bytes += xdpf->len; - stats->es.ps.tx_packets++; - stats->es.ps.xdp_tx++; - u64_stats_update_end(&stats->syncp); - mvneta_txq_inc_put(txq); txq->pending++; txq->count++; @@ -2079,8 +2075,17 @@ mvneta_xdp_xmit_back(struct mvneta_port *pp, struct xdp_buff *xdp) __netif_tx_lock(nq, cpu); ret = mvneta_xdp_submit_frame(pp, txq, xdpf, false); - if (ret == MVNETA_XDP_TX) + if (ret == MVNETA_XDP_TX) { + struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); + + u64_stats_update_begin(&stats->syncp); + stats->es.ps.tx_bytes += xdpf->len; + stats->es.ps.tx_packets++; + stats->es.ps.xdp_tx++; + u64_stats_update_end(&stats->syncp); + mvneta_txq_pend_desc_add(pp, txq, 0); + } __netif_tx_unlock(nq); return ret; @@ -2091,10 +2096,11 @@ mvneta_xdp_xmit(struct net_device *dev, int num_frame, struct xdp_frame **frames, u32 flags) { struct mvneta_port *pp = netdev_priv(dev); + struct mvneta_pcpu_stats *stats = this_cpu_ptr(pp->stats); + int i, nxmit_byte = 0, nxmit = num_frame; int cpu = smp_processor_id(); struct mvneta_tx_queue *txq; struct netdev_queue *nq; - int i, drops = 0; u32 ret; if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) @@ -2106,9 +2112,11 @@ mvneta_xdp_xmit(struct net_device *dev, int num_frame, __netif_tx_lock(nq, cpu); for (i = 0; i < num_frame; i++) { ret = mvneta_xdp_submit_frame(pp, txq, frames[i], true); - if (ret != MVNETA_XDP_TX) { + if (ret == MVNETA_XDP_TX) { + nxmit_byte += frames[i]->len; + } else { xdp_return_frame_rx_napi(frames[i]); - drops++; + nxmit--; } } @@ -2116,7 +2124,13 @@ mvneta_xdp_xmit(struct net_device *dev, int num_frame, mvneta_txq_pend_desc_add(pp, txq, 0); __netif_tx_unlock(nq); - return num_frame - drops; + u64_stats_update_begin(&stats->syncp); + stats->es.ps.tx_bytes += nxmit_byte; + stats->es.ps.tx_packets += nxmit; + stats->es.ps.xdp_xmit += nxmit; + u64_stats_update_end(&stats->syncp); + + return nxmit; } static int @@ -4484,6 +4498,7 @@ mvneta_ethtool_update_pcpu_stats(struct mvneta_port *pp, u64 xdp_redirect; u64 xdp_pass; u64 xdp_drop; + u64 xdp_xmit; u64 xdp_tx; stats = per_cpu_ptr(pp->stats, cpu); @@ -4494,6 +4509,7 @@ mvneta_ethtool_update_pcpu_stats(struct mvneta_port *pp, xdp_redirect = stats->es.ps.xdp_redirect; xdp_pass = stats->es.ps.xdp_pass; xdp_drop = stats->es.ps.xdp_drop; + xdp_xmit = stats->es.ps.xdp_xmit; xdp_tx = stats->es.ps.xdp_tx; } while (u64_stats_fetch_retry_irq(&stats->syncp, start)); @@ -4502,6 +4518,7 @@ mvneta_ethtool_update_pcpu_stats(struct mvneta_port *pp, es->ps.xdp_redirect += xdp_redirect; es->ps.xdp_pass += xdp_pass; es->ps.xdp_drop += xdp_drop; + es->ps.xdp_xmit += xdp_xmit; es->ps.xdp_tx += xdp_tx; } } @@ -4555,6 +4572,9 @@ static void mvneta_ethtool_update_stats(struct mvneta_port *pp) case ETHTOOL_XDP_TX: pp->ethtool_stats[i] = stats.ps.xdp_tx; break; + case ETHTOOL_XDP_XMIT: + pp->ethtool_stats[i] = stats.ps.xdp_xmit; + break; } break; } -- 2.24.1