From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ubuntu (host217-39-174-19.in-addr.btopenworld.com [217.39.174.19]) by dpdk.org (Postfix) with SMTP id D61008E8B for ; Mon, 2 Nov 2015 13:25:30 +0100 (CET) Received: by ubuntu (Postfix, from userid 5466) id 3351CEA763; Mon, 2 Nov 2015 12:25:30 +0000 (GMT) From: "Alejandro.Lucero" To: dev@dpdk.org Date: Mon, 2 Nov 2015 12:25:24 +0000 Message-Id: <1446467130-300-5-git-send-email-alejandro.lucero@netronome.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1446467130-300-1-git-send-email-alejandro.lucero@netronome.com> References: <1446467130-300-1-git-send-email-alejandro.lucero@netronome.com> Subject: [dpdk-dev] [PATCH v5 4/9] nfp: adding stats functionality X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Nov 2015 12:25:31 -0000 From: "Alejandro.Lucero" Signed-off-by: Alejandro.Lucero Signed-off-by: Rolf.Neugebauer --- drivers/net/nfp/nfp_net.c | 171 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 171 insertions(+) diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c index 51855b1..e1badc3 100644 --- a/drivers/net/nfp/nfp_net.c +++ b/drivers/net/nfp/nfp_net.c @@ -688,6 +688,177 @@ nfp_net_close(struct rte_eth_dev *dev) */ } +static void +nfp_net_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) +{ + int i; + struct nfp_net_hw *hw; + struct rte_eth_stats nfp_dev_stats; + + hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); + + /* RTE_ETHDEV_QUEUE_STAT_CNTRS default value is 16 */ + + /* reading per RX ring stats */ + for (i = 0; i < dev->data->nb_rx_queues; i++) { + if (i == RTE_ETHDEV_QUEUE_STAT_CNTRS) + break; + + nfp_dev_stats.q_ipackets[i] = + nn_cfg_readq(hw, NFP_NET_CFG_RXR_STATS(i)); + + nfp_dev_stats.q_ipackets[i] -= + hw->eth_stats_base.q_ipackets[i]; + + nfp_dev_stats.q_ibytes[i] = + nn_cfg_readq(hw, NFP_NET_CFG_RXR_STATS(i) + 0x8); + + nfp_dev_stats.q_ibytes[i] -= + hw->eth_stats_base.q_ibytes[i]; + } + + /* reading per TX ring stats */ + for (i = 0; i < dev->data->nb_tx_queues; i++) { + if (i == RTE_ETHDEV_QUEUE_STAT_CNTRS) + break; + + nfp_dev_stats.q_opackets[i] = + nn_cfg_readq(hw, NFP_NET_CFG_TXR_STATS(i)); + + nfp_dev_stats.q_opackets[i] -= + hw->eth_stats_base.q_opackets[i]; + + nfp_dev_stats.q_obytes[i] = + nn_cfg_readq(hw, NFP_NET_CFG_TXR_STATS(i) + 0x8); + + nfp_dev_stats.q_obytes[i] -= + hw->eth_stats_base.q_obytes[i]; + } + + nfp_dev_stats.ipackets = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_FRAMES); + + nfp_dev_stats.ipackets -= hw->eth_stats_base.ipackets; + + nfp_dev_stats.ibytes = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_OCTETS); + + nfp_dev_stats.ibytes -= hw->eth_stats_base.ibytes; + + nfp_dev_stats.opackets = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_TX_FRAMES); + + nfp_dev_stats.opackets -= hw->eth_stats_base.opackets; + + nfp_dev_stats.obytes = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_TX_OCTETS); + + nfp_dev_stats.obytes -= hw->eth_stats_base.obytes; + + nfp_dev_stats.imcasts = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_MC_FRAMES); + + nfp_dev_stats.imcasts -= hw->eth_stats_base.imcasts; + + /* reading general device stats */ + nfp_dev_stats.ierrors = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_ERRORS); + + nfp_dev_stats.ierrors -= hw->eth_stats_base.ierrors; + + nfp_dev_stats.oerrors = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_TX_ERRORS); + + nfp_dev_stats.oerrors -= hw->eth_stats_base.oerrors; + + /* Multicast frames received */ + nfp_dev_stats.imcasts = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_MC_FRAMES); + + nfp_dev_stats.imcasts -= hw->eth_stats_base.imcasts; + + /* RX ring mbuf allocation failures */ + nfp_dev_stats.rx_nombuf = dev->data->rx_mbuf_alloc_failed; + + nfp_dev_stats.imissed = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_DISCARDS); + + nfp_dev_stats.imissed -= hw->eth_stats_base.imissed; + + if (stats) + memcpy(stats, &nfp_dev_stats, sizeof(*stats)); +} + +static void +nfp_net_stats_reset(struct rte_eth_dev *dev) +{ + int i; + struct nfp_net_hw *hw; + + hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); + + /* + * hw->eth_stats_base records the per counter starting point. + * Lets update it now + */ + + /* reading per RX ring stats */ + for (i = 0; i < dev->data->nb_rx_queues; i++) { + if (i == RTE_ETHDEV_QUEUE_STAT_CNTRS) + break; + + hw->eth_stats_base.q_ipackets[i] = + nn_cfg_readq(hw, NFP_NET_CFG_RXR_STATS(i)); + + hw->eth_stats_base.q_ibytes[i] = + nn_cfg_readq(hw, NFP_NET_CFG_RXR_STATS(i) + 0x8); + } + + /* reading per TX ring stats */ + for (i = 0; i < dev->data->nb_tx_queues; i++) { + if (i == RTE_ETHDEV_QUEUE_STAT_CNTRS) + break; + + hw->eth_stats_base.q_opackets[i] = + nn_cfg_readq(hw, NFP_NET_CFG_TXR_STATS(i)); + + hw->eth_stats_base.q_obytes[i] = + nn_cfg_readq(hw, NFP_NET_CFG_TXR_STATS(i) + 0x8); + } + + hw->eth_stats_base.ipackets = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_FRAMES); + + hw->eth_stats_base.ibytes = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_OCTETS); + + hw->eth_stats_base.opackets = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_TX_FRAMES); + + hw->eth_stats_base.obytes = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_TX_OCTETS); + + hw->eth_stats_base.imcasts = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_MC_FRAMES); + + /* reading general device stats */ + hw->eth_stats_base.ierrors = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_ERRORS); + + hw->eth_stats_base.oerrors = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_TX_ERRORS); + + /* Multicast frames received */ + hw->eth_stats_base.imcasts = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_MC_FRAMES); + + /* RX ring mbuf allocation failures */ + dev->data->rx_mbuf_alloc_failed = 0; + + hw->eth_stats_base.imissed = + nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_DISCARDS); +} + static uint32_t nfp_net_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_idx) { -- 1.7.9.5