From c9f889e9961681f035e188fbd492b81b0e171cb1 Mon Sep 17 00:00:00 2001 From: Qi Zhang Date: Tue, 23 Jun 2020 10:38:36 +0800 Subject: [PATCH] net/ice: enable stats for DCF Add support to get and reset Rx/Tx stats in DCF. Query stats from PF. Signed-off-by: Qi Zhang Signed-off-by: Ting Xu Reviewed-by: Qiming Yang --- drivers/net/ice/ice_dcf.c | 27 ++++++++ drivers/net/ice/ice_dcf.h | 4 ++ drivers/net/ice/ice_dcf_ethdev.c | 102 +++++++++++++++++++++++++++---- 3 files changed, 120 insertions(+), 13 deletions(-) diff --git a/drivers/net/ice/ice_dcf.c b/drivers/net/ice/ice_dcf.c index f18c0f16af..fbeb58ee1f 100644 --- a/drivers/net/ice/ice_dcf.c +++ b/drivers/net/ice/ice_dcf.c @@ -993,3 +993,30 @@ ice_dcf_disable_queues(struct ice_dcf_hw *hw) return err; } + +int +ice_dcf_query_stats(struct ice_dcf_hw *hw, + struct virtchnl_eth_stats *pstats) +{ + struct virtchnl_queue_select q_stats; + struct dcf_virtchnl_cmd args; + int err; + + memset(&q_stats, 0, sizeof(q_stats)); + q_stats.vsi_id = hw->vsi_res->vsi_id; + + args.v_op = VIRTCHNL_OP_GET_STATS; + args.req_msg = (uint8_t *)&q_stats; + args.req_msglen = sizeof(q_stats); + args.rsp_msglen = sizeof(*pstats); + args.rsp_msgbuf = (uint8_t *)pstats; + args.rsp_buflen = sizeof(*pstats); + + err = ice_dcf_execute_virtchnl_cmd(hw, &args); + if (err) { + PMD_DRV_LOG(ERR, "fail to execute command OP_GET_STATS"); + return err; + } + + return 0; +} diff --git a/drivers/net/ice/ice_dcf.h b/drivers/net/ice/ice_dcf.h index 68e1661c03..e82bc77489 100644 --- a/drivers/net/ice/ice_dcf.h +++ b/drivers/net/ice/ice_dcf.h @@ -58,6 +58,7 @@ struct ice_dcf_hw { uint16_t msix_base; uint16_t nb_msix; uint16_t rxq_map[16]; + struct virtchnl_eth_stats eth_stats_offset; }; int ice_dcf_execute_virtchnl_cmd(struct ice_dcf_hw *hw, @@ -72,4 +73,7 @@ int ice_dcf_configure_queues(struct ice_dcf_hw *hw); int ice_dcf_config_irq_map(struct ice_dcf_hw *hw); int ice_dcf_switch_queue(struct ice_dcf_hw *hw, uint16_t qid, bool rx, bool on); int ice_dcf_disable_queues(struct ice_dcf_hw *hw); +int ice_dcf_query_stats(struct ice_dcf_hw *hw, + struct virtchnl_eth_stats *pstats); + #endif /* _ICE_DCF_H_ */ diff --git a/drivers/net/ice/ice_dcf_ethdev.c b/drivers/net/ice/ice_dcf_ethdev.c index d0219a7285..38e321f4b4 100644 --- a/drivers/net/ice/ice_dcf_ethdev.c +++ b/drivers/net/ice/ice_dcf_ethdev.c @@ -697,19 +697,6 @@ ice_dcf_dev_info_get(struct rte_eth_dev *dev, return 0; } -static int -ice_dcf_stats_get(__rte_unused struct rte_eth_dev *dev, - __rte_unused struct rte_eth_stats *igb_stats) -{ - return 0; -} - -static int -ice_dcf_stats_reset(__rte_unused struct rte_eth_dev *dev) -{ - return 0; -} - static int ice_dcf_dev_promiscuous_enable(__rte_unused struct rte_eth_dev *dev) { @@ -762,6 +749,95 @@ ice_dcf_dev_filter_ctrl(struct rte_eth_dev *dev, return ret; } +#define ICE_DCF_32_BIT_WIDTH (CHAR_BIT * 4) +#define ICE_DCF_48_BIT_WIDTH (CHAR_BIT * 6) +#define ICE_DCF_48_BIT_MASK RTE_LEN2MASK(ICE_DCF_48_BIT_WIDTH, uint64_t) + +static void +ice_dcf_stat_update_48(uint64_t *offset, uint64_t *stat) +{ + if (*stat >= *offset) + *stat = *stat - *offset; + else + *stat = (uint64_t)((*stat + + ((uint64_t)1 << ICE_DCF_48_BIT_WIDTH)) - *offset); + + *stat &= ICE_DCF_48_BIT_MASK; +} + +static void +ice_dcf_stat_update_32(uint64_t *offset, uint64_t *stat) +{ + if (*stat >= *offset) + *stat = (uint64_t)(*stat - *offset); + else + *stat = (uint64_t)((*stat + + ((uint64_t)1 << ICE_DCF_32_BIT_WIDTH)) - *offset); +} + +static void +ice_dcf_update_stats(struct virtchnl_eth_stats *oes, + struct virtchnl_eth_stats *nes) +{ + ice_dcf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes); + ice_dcf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast); + ice_dcf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast); + ice_dcf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast); + ice_dcf_stat_update_32(&oes->rx_discards, &nes->rx_discards); + ice_dcf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes); + ice_dcf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast); + ice_dcf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast); + ice_dcf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast); + ice_dcf_stat_update_32(&oes->tx_errors, &nes->tx_errors); + ice_dcf_stat_update_32(&oes->tx_discards, &nes->tx_discards); +} + + +static int +ice_dcf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) +{ + struct ice_dcf_adapter *ad = dev->data->dev_private; + struct ice_dcf_hw *hw = &ad->real_hw; + struct virtchnl_eth_stats pstats; + int ret; + + ret = ice_dcf_query_stats(hw, &pstats); + if (ret == 0) { + ice_dcf_update_stats(&hw->eth_stats_offset, &pstats); + stats->ipackets = pstats.rx_unicast + pstats.rx_multicast + + pstats.rx_broadcast - pstats.rx_discards; + stats->opackets = pstats.tx_broadcast + pstats.tx_multicast + + pstats.tx_unicast; + stats->imissed = pstats.rx_discards; + stats->oerrors = pstats.tx_errors + pstats.tx_discards; + stats->ibytes = pstats.rx_bytes; + stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN; + stats->obytes = pstats.tx_bytes; + } else { + PMD_DRV_LOG(ERR, "Get statistics failed"); + } + return ret; +} + +static int +ice_dcf_stats_reset(struct rte_eth_dev *dev) +{ + struct ice_dcf_adapter *ad = dev->data->dev_private; + struct ice_dcf_hw *hw = &ad->real_hw; + struct virtchnl_eth_stats pstats; + int ret; + + /* read stat values to clear hardware registers */ + ret = ice_dcf_query_stats(hw, &pstats); + if (ret != 0) + return ret; + + /* set stats offset base on current values */ + hw->eth_stats_offset = pstats; + + return 0; +} + static void ice_dcf_dev_close(struct rte_eth_dev *dev) { -- 2.20.1