From 086d7fe5b6dad5dfbaf587c31c08697d088e4100 Mon Sep 17 00:00:00 2001 From: Robert Shearman Date: Thu, 15 Jun 2017 08:16:09 -0400 Subject: [PATCH] net/vmxnet3: implement extended stats Implement xstats_get() to allow a number of driver-specific Tx and Rx stats to be retrieved. Signed-off-by: Robert Shearman Acked-by: Shrikrishna Khare --- doc/guides/nics/features/vmxnet3.ini | 1 + drivers/net/vmxnet3/vmxnet3_ethdev.c | 113 +++++++++++++++++++++++++++ 2 files changed, 114 insertions(+) diff --git a/doc/guides/nics/features/vmxnet3.ini b/doc/guides/nics/features/vmxnet3.ini index 8f7f8e0bed..9a11513801 100644 --- a/doc/guides/nics/features/vmxnet3.ini +++ b/doc/guides/nics/features/vmxnet3.ini @@ -21,6 +21,7 @@ VLAN offload = Y L4 checksum offload = Y Packet type parsing = Y Basic stats = Y +Extended stats = Y Stats per queue = Y Linux UIO = Y Linux VFIO = Y diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c index 1301f5041a..f5a9832a1b 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c @@ -88,6 +88,11 @@ static int vmxnet3_dev_link_update(struct rte_eth_dev *dev, static void vmxnet3_hw_stats_save(struct vmxnet3_hw *hw); static void vmxnet3_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats); +static int vmxnet3_dev_xstats_get_names(struct rte_eth_dev *dev, + struct rte_eth_xstat_name *xstats, + unsigned int n); +static int vmxnet3_dev_xstats_get(struct rte_eth_dev *dev, + struct rte_eth_xstat *xstats, unsigned int n); static void vmxnet3_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info); static const uint32_t * @@ -122,6 +127,8 @@ static const struct eth_dev_ops vmxnet3_eth_dev_ops = { .allmulticast_disable = vmxnet3_dev_allmulticast_disable, .link_update = vmxnet3_dev_link_update, .stats_get = vmxnet3_dev_stats_get, + .xstats_get_names = vmxnet3_dev_xstats_get_names, + .xstats_get = vmxnet3_dev_xstats_get, .mac_addr_set = vmxnet3_mac_addr_set, .dev_infos_get = vmxnet3_dev_info_get, .dev_supported_ptypes_get = vmxnet3_dev_supported_ptypes_get, @@ -133,6 +140,27 @@ static const struct eth_dev_ops vmxnet3_eth_dev_ops = { .tx_queue_release = vmxnet3_dev_tx_queue_release, }; +struct vmxnet3_xstats_name_off { + char name[RTE_ETH_XSTATS_NAME_SIZE]; + unsigned int offset; +}; + +/* tx_qX_ is prepended to the name string here */ +static const struct vmxnet3_xstats_name_off vmxnet3_txq_stat_strings[] = { + {"drop_total", offsetof(struct vmxnet3_txq_stats, drop_total)}, + {"drop_too_many_segs", offsetof(struct vmxnet3_txq_stats, drop_too_many_segs)}, + {"drop_tso", offsetof(struct vmxnet3_txq_stats, drop_tso)}, + {"tx_ring_full", offsetof(struct vmxnet3_txq_stats, tx_ring_full)}, +}; + +/* rx_qX_ is prepended to the name string here */ +static const struct vmxnet3_xstats_name_off vmxnet3_rxq_stat_strings[] = { + {"drop_total", offsetof(struct vmxnet3_rxq_stats, drop_total)}, + {"drop_err", offsetof(struct vmxnet3_rxq_stats, drop_err)}, + {"drop_fcs", offsetof(struct vmxnet3_rxq_stats, drop_fcs)}, + {"rx_buf_alloc_failure", offsetof(struct vmxnet3_rxq_stats, rx_buf_alloc_failure)}, +}; + static const struct rte_memzone * gpa_zone_reserve(struct rte_eth_dev *dev, uint32_t size, const char *post_string, int socket_id, @@ -882,6 +910,91 @@ vmxnet3_hw_stats_save(struct vmxnet3_hw *hw) vmxnet3_hw_rx_stats_get(hw, i, &hw->saved_rx_stats[i]); } +static int +vmxnet3_dev_xstats_get_names(struct rte_eth_dev *dev, + struct rte_eth_xstat_name *xstats_names, + unsigned int n) +{ + unsigned int i, t, count = 0; + unsigned int nstats = + dev->data->nb_tx_queues * RTE_DIM(vmxnet3_txq_stat_strings) + + dev->data->nb_rx_queues * RTE_DIM(vmxnet3_rxq_stat_strings); + + if (!xstats_names || n < nstats) + return nstats; + + for (i = 0; i < dev->data->nb_rx_queues; i++) { + if (!dev->data->rx_queues[i]) + continue; + + for (t = 0; t < RTE_DIM(vmxnet3_rxq_stat_strings); t++) { + snprintf(xstats_names[count].name, + sizeof(xstats_names[count].name), + "rx_q%u_%s", i, + vmxnet3_rxq_stat_strings[t].name); + count++; + } + } + + for (i = 0; i < dev->data->nb_tx_queues; i++) { + if (!dev->data->tx_queues[i]) + continue; + + for (t = 0; t < RTE_DIM(vmxnet3_txq_stat_strings); t++) { + snprintf(xstats_names[count].name, + sizeof(xstats_names[count].name), + "tx_q%u_%s", i, + vmxnet3_txq_stat_strings[t].name); + count++; + } + } + + return count; +} + +static int +vmxnet3_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, + unsigned int n) +{ + unsigned int i, t, count = 0; + unsigned int nstats = + dev->data->nb_tx_queues * RTE_DIM(vmxnet3_txq_stat_strings) + + dev->data->nb_rx_queues * RTE_DIM(vmxnet3_rxq_stat_strings); + + if (n < nstats) + return nstats; + + for (i = 0; i < dev->data->nb_rx_queues; i++) { + struct vmxnet3_rx_queue *rxq = dev->data->rx_queues[i]; + + if (rxq == NULL) + continue; + + for (t = 0; t < RTE_DIM(vmxnet3_rxq_stat_strings); t++) { + xstats[count].value = *(uint64_t *)(((char *)&rxq->stats) + + vmxnet3_rxq_stat_strings[t].offset); + xstats[count].id = count; + count++; + } + } + + for (i = 0; i < dev->data->nb_tx_queues; i++) { + struct vmxnet3_tx_queue *txq = dev->data->tx_queues[i]; + + if (txq == NULL) + continue; + + for (t = 0; t < RTE_DIM(vmxnet3_txq_stat_strings); t++) { + xstats[count].value = *(uint64_t *)(((char *)&txq->stats) + + vmxnet3_txq_stat_strings[t].offset); + xstats[count].id = count; + count++; + } + } + + return count; +} + static void vmxnet3_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) { -- 2.20.1