#include <net/if.h>
#include <sys/mman.h>
#include <linux/rtnetlink.h>
+#include <linux/sockios.h>
+#include <linux/ethtool.h>
#include <fcntl.h>
/* Verbs header. */
#include <mlx5_devx_cmds.h>
#include <mlx5_common.h>
#include <mlx5_common_mp.h>
+#include <mlx5_common_mr.h>
#include "mlx5_defs.h"
#include "mlx5.h"
#endif
}
+/**
+ * Read statistics by a named counter.
+ *
+ * @param[in] priv
+ * Pointer to the private device data structure.
+ * @param[in] ctr_name
+ * Pointer to the name of the statistic counter to read
+ * @param[out] stat
+ * Pointer to read statistic value.
+ * @return
+ * 0 on success and stat is valud, 1 if failed to read the value
+ * rte_errno is set.
+ *
+ */
+int
+mlx5_os_read_dev_stat(struct mlx5_priv *priv, const char *ctr_name,
+ uint64_t *stat)
+{
+ int fd;
+
+ if (priv->sh) {
+ MKSTR(path, "%s/ports/%d/hw_counters/%s",
+ priv->sh->ibdev_path,
+ priv->dev_port,
+ ctr_name);
+ fd = open(path, O_RDONLY);
+ if (fd != -1) {
+ char buf[21] = {'\0'};
+ ssize_t n = read(fd, buf, sizeof(buf));
+
+ close(fd);
+ if (n != -1) {
+ *stat = strtoull(buf, NULL, 10);
+ return 0;
+ }
+ }
+ }
+ *stat = 0;
+ return 1;
+}
+
+/**
+ * Read device counters table.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param[out] stats
+ * Counters table output buffer.
+ *
+ * @return
+ * 0 on success and stats is filled, negative errno value otherwise and
+ * rte_errno is set.
+ */
+int
+mlx5_os_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+ unsigned int i;
+ struct ifreq ifr;
+ unsigned int stats_sz = xstats_ctrl->stats_n * sizeof(uint64_t);
+ unsigned char et_stat_buf[sizeof(struct ethtool_stats) + stats_sz];
+ struct ethtool_stats *et_stats = (struct ethtool_stats *)et_stat_buf;
+ int ret;
+
+ et_stats->cmd = ETHTOOL_GSTATS;
+ et_stats->n_stats = xstats_ctrl->stats_n;
+ ifr.ifr_data = (caddr_t)et_stats;
+ ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
+ if (ret) {
+ DRV_LOG(WARNING,
+ "port %u unable to read statistic values from device",
+ dev->data->port_id);
+ return ret;
+ }
+ for (i = 0; i != xstats_ctrl->mlx5_stats_n; ++i) {
+ if (xstats_ctrl->info[i].dev) {
+ ret = mlx5_os_read_dev_stat(priv,
+ xstats_ctrl->info[i].ctr_name,
+ &stats[i]);
+ /* return last xstats counter if fail to read. */
+ if (ret == 0)
+ xstats_ctrl->xstats[i] = stats[i];
+ else
+ stats[i] = xstats_ctrl->xstats[i];
+ } else {
+ stats[i] = (uint64_t)
+ et_stats->data[xstats_ctrl->dev_table_idx[i]];
+ }
+ }
+ return 0;
+}
+
+/**
+ * Query the number of statistics provided by ETHTOOL.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ *
+ * @return
+ * Number of statistics on success, negative errno value otherwise and
+ * rte_errno is set.
+ */
+int
+mlx5_os_get_stats_n(struct rte_eth_dev *dev)
+{
+ struct ethtool_drvinfo drvinfo;
+ struct ifreq ifr;
+ int ret;
+
+ drvinfo.cmd = ETHTOOL_GDRVINFO;
+ ifr.ifr_data = (caddr_t)&drvinfo;
+ ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
+ if (ret) {
+ DRV_LOG(WARNING, "port %u unable to query number of statistics",
+ dev->data->port_id);
+ return ret;
+ }
+ return drvinfo.n_stats;
+}
+
+static const struct mlx5_counter_ctrl mlx5_counters_init[] = {
+ {
+ .dpdk_name = "rx_port_unicast_bytes",
+ .ctr_name = "rx_vport_unicast_bytes",
+ },
+ {
+ .dpdk_name = "rx_port_multicast_bytes",
+ .ctr_name = "rx_vport_multicast_bytes",
+ },
+ {
+ .dpdk_name = "rx_port_broadcast_bytes",
+ .ctr_name = "rx_vport_broadcast_bytes",
+ },
+ {
+ .dpdk_name = "rx_port_unicast_packets",
+ .ctr_name = "rx_vport_unicast_packets",
+ },
+ {
+ .dpdk_name = "rx_port_multicast_packets",
+ .ctr_name = "rx_vport_multicast_packets",
+ },
+ {
+ .dpdk_name = "rx_port_broadcast_packets",
+ .ctr_name = "rx_vport_broadcast_packets",
+ },
+ {
+ .dpdk_name = "tx_port_unicast_bytes",
+ .ctr_name = "tx_vport_unicast_bytes",
+ },
+ {
+ .dpdk_name = "tx_port_multicast_bytes",
+ .ctr_name = "tx_vport_multicast_bytes",
+ },
+ {
+ .dpdk_name = "tx_port_broadcast_bytes",
+ .ctr_name = "tx_vport_broadcast_bytes",
+ },
+ {
+ .dpdk_name = "tx_port_unicast_packets",
+ .ctr_name = "tx_vport_unicast_packets",
+ },
+ {
+ .dpdk_name = "tx_port_multicast_packets",
+ .ctr_name = "tx_vport_multicast_packets",
+ },
+ {
+ .dpdk_name = "tx_port_broadcast_packets",
+ .ctr_name = "tx_vport_broadcast_packets",
+ },
+ {
+ .dpdk_name = "rx_wqe_err",
+ .ctr_name = "rx_wqe_err",
+ },
+ {
+ .dpdk_name = "rx_crc_errors_phy",
+ .ctr_name = "rx_crc_errors_phy",
+ },
+ {
+ .dpdk_name = "rx_in_range_len_errors_phy",
+ .ctr_name = "rx_in_range_len_errors_phy",
+ },
+ {
+ .dpdk_name = "rx_symbol_err_phy",
+ .ctr_name = "rx_symbol_err_phy",
+ },
+ {
+ .dpdk_name = "tx_errors_phy",
+ .ctr_name = "tx_errors_phy",
+ },
+ {
+ .dpdk_name = "rx_out_of_buffer",
+ .ctr_name = "out_of_buffer",
+ .dev = 1,
+ },
+ {
+ .dpdk_name = "tx_packets_phy",
+ .ctr_name = "tx_packets_phy",
+ },
+ {
+ .dpdk_name = "rx_packets_phy",
+ .ctr_name = "rx_packets_phy",
+ },
+ {
+ .dpdk_name = "tx_discards_phy",
+ .ctr_name = "tx_discards_phy",
+ },
+ {
+ .dpdk_name = "rx_discards_phy",
+ .ctr_name = "rx_discards_phy",
+ },
+ {
+ .dpdk_name = "tx_bytes_phy",
+ .ctr_name = "tx_bytes_phy",
+ },
+ {
+ .dpdk_name = "rx_bytes_phy",
+ .ctr_name = "rx_bytes_phy",
+ },
+ /* Representor only */
+ {
+ .dpdk_name = "rx_packets",
+ .ctr_name = "vport_rx_packets",
+ },
+ {
+ .dpdk_name = "rx_bytes",
+ .ctr_name = "vport_rx_bytes",
+ },
+ {
+ .dpdk_name = "tx_packets",
+ .ctr_name = "vport_tx_packets",
+ },
+ {
+ .dpdk_name = "tx_bytes",
+ .ctr_name = "vport_tx_bytes",
+ },
+};
+
+static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
+
+/**
+ * Init the structures to read device counters.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ */
+void
+mlx5_os_stats_init(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
+ struct mlx5_stats_ctrl *stats_ctrl = &priv->stats_ctrl;
+ unsigned int i;
+ unsigned int j;
+ struct ifreq ifr;
+ struct ethtool_gstrings *strings = NULL;
+ unsigned int dev_stats_n;
+ unsigned int str_sz;
+ int ret;
+
+ /* So that it won't aggregate for each init. */
+ xstats_ctrl->mlx5_stats_n = 0;
+ ret = mlx5_os_get_stats_n(dev);
+ if (ret < 0) {
+ DRV_LOG(WARNING, "port %u no extended statistics available",
+ dev->data->port_id);
+ return;
+ }
+ dev_stats_n = ret;
+ /* Allocate memory to grab stat names and values. */
+ str_sz = dev_stats_n * ETH_GSTRING_LEN;
+ strings = (struct ethtool_gstrings *)
+ rte_malloc("xstats_strings",
+ str_sz + sizeof(struct ethtool_gstrings), 0);
+ if (!strings) {
+ DRV_LOG(WARNING, "port %u unable to allocate memory for xstats",
+ dev->data->port_id);
+ return;
+ }
+ strings->cmd = ETHTOOL_GSTRINGS;
+ strings->string_set = ETH_SS_STATS;
+ strings->len = dev_stats_n;
+ ifr.ifr_data = (caddr_t)strings;
+ ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
+ if (ret) {
+ DRV_LOG(WARNING, "port %u unable to get statistic names",
+ dev->data->port_id);
+ goto free;
+ }
+ for (i = 0; i != dev_stats_n; ++i) {
+ const char *curr_string = (const char *)
+ &strings->data[i * ETH_GSTRING_LEN];
+
+ for (j = 0; j != xstats_n; ++j) {
+ if (!strcmp(mlx5_counters_init[j].ctr_name,
+ curr_string)) {
+ unsigned int idx = xstats_ctrl->mlx5_stats_n++;
+
+ xstats_ctrl->dev_table_idx[idx] = i;
+ xstats_ctrl->info[idx] = mlx5_counters_init[j];
+ break;
+ }
+ }
+ }
+ /* Add dev counters. */
+ for (i = 0; i != xstats_n; ++i) {
+ if (mlx5_counters_init[i].dev) {
+ unsigned int idx = xstats_ctrl->mlx5_stats_n++;
+
+ xstats_ctrl->info[idx] = mlx5_counters_init[i];
+ xstats_ctrl->hw_stats[idx] = 0;
+ }
+ }
+ MLX5_ASSERT(xstats_ctrl->mlx5_stats_n <= MLX5_MAX_XSTATS);
+ xstats_ctrl->stats_n = dev_stats_n;
+ /* Copy to base at first time. */
+ ret = mlx5_os_read_dev_counters(dev, xstats_ctrl->base);
+ if (ret)
+ DRV_LOG(ERR, "port %u cannot read device counters: %s",
+ dev->data->port_id, strerror(rte_errno));
+ mlx5_os_read_dev_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base);
+ stats_ctrl->imissed = 0;
+free:
+ rte_free(strings);
+}
+
+/**
+ * Set the reg_mr and dereg_mr call backs
+ *
+ * @param reg_mr_cb[out]
+ * Pointer to reg_mr func
+ * @param dereg_mr_cb[out]
+ * Pointer to dereg_mr func
+ *
+ */
+void
+mlx5_os_set_reg_mr_cb(mlx5_reg_mr_t *reg_mr_cb,
+ mlx5_dereg_mr_t *dereg_mr_cb)
+{
+ *reg_mr_cb = mlx5_common_verbs_reg_mr;
+ *dereg_mr_cb = mlx5_common_verbs_dereg_mr;
+}
+
const struct eth_dev_ops mlx5_os_dev_ops = {
.dev_configure = mlx5_dev_configure,
.dev_start = mlx5_dev_start,
git.droids-corp.org / dpdk.git / blobdiff