Re: [dpdk-dev] [PATCH v1 10/12] net/ice: enable stats for DCF
From: Ye Xiaolong <hidden>
Date: 2020-06-07 10:28:18
On 06/05, Ting Xu wrote:
quoted hunk ↗ jump to hunk
From: Qi Zhang <redacted> Add support to get and reset Rx/Tx stats in DCF. Query stats from PF. Signed-off-by: Qi Zhang <redacted> --- 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
[snip]
+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 -EIO;Return -EIO even on success seems not correct.
+}
+
+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)
{
--
2.17.1