trace: simplify trace point registration
[dpdk.git] / lib / librte_ethdev / rte_ethdev.c
index d5c4865..d06b7f9 100644 (file)
 #include <rte_kvargs.h>
 #include <rte_class.h>
 #include <rte_ether.h>
+#include <rte_telemetry.h>
 
+#include "rte_ethdev_trace.h"
 #include "rte_ethdev.h"
 #include "rte_ethdev_driver.h"
 #include "ethdev_profile.h"
 #include "ethdev_private.h"
 
-int rte_eth_dev_logtype;
-
 static const char *MZ_RTE_ETH_DEV_DATA = "rte_eth_dev_data";
 struct rte_eth_dev rte_eth_devices[RTE_MAX_ETHPORTS];
 
@@ -86,7 +86,7 @@ static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
                rx_nombuf)},
 };
 
-#define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
+#define RTE_NB_STATS RTE_DIM(rte_stats_strings)
 
 static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
        {"packets", offsetof(struct rte_eth_stats, q_ipackets)},
@@ -94,15 +94,13 @@ static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
        {"errors", offsetof(struct rte_eth_stats, q_errors)},
 };
 
-#define RTE_NB_RXQ_STATS (sizeof(rte_rxq_stats_strings) /      \
-               sizeof(rte_rxq_stats_strings[0]))
+#define RTE_NB_RXQ_STATS RTE_DIM(rte_rxq_stats_strings)
 
 static const struct rte_eth_xstats_name_off rte_txq_stats_strings[] = {
        {"packets", offsetof(struct rte_eth_stats, q_opackets)},
        {"bytes", offsetof(struct rte_eth_stats, q_obytes)},
 };
-#define RTE_NB_TXQ_STATS (sizeof(rte_txq_stats_strings) /      \
-               sizeof(rte_txq_stats_strings[0]))
+#define RTE_NB_TXQ_STATS RTE_DIM(rte_txq_stats_strings)
 
 #define RTE_RX_OFFLOAD_BIT2STR(_name)  \
        { DEV_RX_OFFLOAD_##_name, #_name }
@@ -129,6 +127,7 @@ static const struct {
        RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC),
        RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
        RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
+       RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
 };
 
 #undef RTE_RX_OFFLOAD_BIT2STR
@@ -1099,6 +1098,8 @@ rte_eth_speed_bitflag(uint32_t speed, int duplex)
                return ETH_LINK_SPEED_56G;
        case ETH_SPEED_NUM_100G:
                return ETH_LINK_SPEED_100G;
+       case ETH_SPEED_NUM_200G:
+               return ETH_LINK_SPEED_200G;
        default:
                return 0;
        }
@@ -1136,6 +1137,84 @@ rte_eth_dev_tx_offload_name(uint64_t offload)
        return name;
 }
 
+static inline int
+check_lro_pkt_size(uint16_t port_id, uint32_t config_size,
+                  uint32_t max_rx_pkt_len, uint32_t dev_info_size)
+{
+       int ret = 0;
+
+       if (dev_info_size == 0) {
+               if (config_size != max_rx_pkt_len) {
+                       RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size"
+                                      " %u != %u is not allowed\n",
+                                      port_id, config_size, max_rx_pkt_len);
+                       ret = -EINVAL;
+               }
+       } else if (config_size > dev_info_size) {
+               RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
+                              "> max allowed value %u\n", port_id, config_size,
+                              dev_info_size);
+               ret = -EINVAL;
+       } else if (config_size < RTE_ETHER_MIN_LEN) {
+               RTE_ETHDEV_LOG(ERR, "Ethdev port_id=%d max_lro_pkt_size %u "
+                              "< min allowed value %u\n", port_id, config_size,
+                              (unsigned int)RTE_ETHER_MIN_LEN);
+               ret = -EINVAL;
+       }
+       return ret;
+}
+
+/*
+ * Validate offloads that are requested through rte_eth_dev_configure against
+ * the offloads successfully set by the ethernet device.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param req_offloads
+ *   The offloads that have been requested through `rte_eth_dev_configure`.
+ * @param set_offloads
+ *   The offloads successfully set by the ethernet device.
+ * @param offload_type
+ *   The offload type i.e. Rx/Tx string.
+ * @param offload_name
+ *   The function that prints the offload name.
+ * @return
+ *   - (0) if validation successful.
+ *   - (-EINVAL) if requested offload has been silently disabled.
+ *
+ */
+static int
+validate_offloads(uint16_t port_id, uint64_t req_offloads,
+                 uint64_t set_offloads, const char *offload_type,
+                 const char *(*offload_name)(uint64_t))
+{
+       uint64_t offloads_diff = req_offloads ^ set_offloads;
+       uint64_t offload;
+       int ret = 0;
+
+       while (offloads_diff != 0) {
+               /* Check if any offload is requested but not enabled. */
+               offload = 1ULL << __builtin_ctzll(offloads_diff);
+               if (offload & req_offloads) {
+                       RTE_ETHDEV_LOG(ERR,
+                               "Port %u failed to enable %s offload %s\n",
+                               port_id, offload_type, offload_name(offload));
+                       ret = -EINVAL;
+               }
+
+               /* Check if offload couldn't be disabled. */
+               if (offload & set_offloads) {
+                       RTE_ETHDEV_LOG(DEBUG,
+                               "Port %u %s offload %s is not requested but enabled\n",
+                               port_id, offload_type, offload_name(offload));
+               }
+
+               offloads_diff &= ~offload;
+       }
+
+       return ret;
+}
+
 int
 rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
                      const struct rte_eth_conf *dev_conf)
@@ -1166,7 +1245,9 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
         * Copy the dev_conf parameter into the dev structure.
         * rte_eth_dev_info_get() requires dev_conf, copy it before dev_info get
         */
-       memcpy(&dev->data->dev_conf, dev_conf, sizeof(dev->data->dev_conf));
+       if (dev_conf != &dev->data->dev_conf)
+               memcpy(&dev->data->dev_conf, dev_conf,
+                      sizeof(dev->data->dev_conf));
 
        ret = rte_eth_dev_info_get(port_id, &dev_info);
        if (ret != 0)
@@ -1266,6 +1347,22 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
                                                        RTE_ETHER_MAX_LEN;
        }
 
+       /*
+        * If LRO is enabled, check that the maximum aggregated packet
+        * size is supported by the configured device.
+        */
+       if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
+               if (dev_conf->rxmode.max_lro_pkt_size == 0)
+                       dev->data->dev_conf.rxmode.max_lro_pkt_size =
+                               dev->data->dev_conf.rxmode.max_rx_pkt_len;
+               ret = check_lro_pkt_size(port_id,
+                               dev->data->dev_conf.rxmode.max_lro_pkt_size,
+                               dev->data->dev_conf.rxmode.max_rx_pkt_len,
+                               dev_info.max_lro_pkt_size);
+               if (ret != 0)
+                       goto rollback;
+       }
+
        /* Any requested offloading must be within its device capabilities */
        if ((dev_conf->rxmode.offloads & dev_info.rx_offload_capa) !=
             dev_conf->rxmode.offloads) {
@@ -1305,6 +1402,17 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
                goto rollback;
        }
 
+       /* Check if Rx RSS distribution is disabled but RSS hash is enabled. */
+       if (((dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) &&
+           (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_RSS_HASH)) {
+               RTE_ETHDEV_LOG(ERR,
+                       "Ethdev port_id=%u config invalid Rx mq_mode without RSS but %s offload is requested\n",
+                       port_id,
+                       rte_eth_dev_rx_offload_name(DEV_RX_OFFLOAD_RSS_HASH));
+               ret = -EINVAL;
+               goto rollback;
+       }
+
        /*
         * Setup new number of RX/TX queues and reconfigure device.
         */
@@ -1331,10 +1439,8 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
        if (diag != 0) {
                RTE_ETHDEV_LOG(ERR, "Port%u dev_configure = %d\n",
                        port_id, diag);
-               rte_eth_dev_rx_queue_config(dev, 0);
-               rte_eth_dev_tx_queue_config(dev, 0);
                ret = eth_err(port_id, diag);
-               goto rollback;
+               goto reset_queues;
        }
 
        /* Initialize Rx profiling if enabled at compilation time. */
@@ -1342,17 +1448,39 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
        if (diag != 0) {
                RTE_ETHDEV_LOG(ERR, "Port%u __rte_eth_dev_profile_init = %d\n",
                        port_id, diag);
-               rte_eth_dev_rx_queue_config(dev, 0);
-               rte_eth_dev_tx_queue_config(dev, 0);
                ret = eth_err(port_id, diag);
-               goto rollback;
+               goto reset_queues;
        }
 
-       return 0;
+       /* Validate Rx offloads. */
+       diag = validate_offloads(port_id,
+                       dev_conf->rxmode.offloads,
+                       dev->data->dev_conf.rxmode.offloads, "Rx",
+                       rte_eth_dev_rx_offload_name);
+       if (diag != 0) {
+               ret = diag;
+               goto reset_queues;
+       }
 
+       /* Validate Tx offloads. */
+       diag = validate_offloads(port_id,
+                       dev_conf->txmode.offloads,
+                       dev->data->dev_conf.txmode.offloads, "Tx",
+                       rte_eth_dev_tx_offload_name);
+       if (diag != 0) {
+               ret = diag;
+               goto reset_queues;
+       }
+
+       rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, 0);
+       return 0;
+reset_queues:
+       rte_eth_dev_rx_queue_config(dev, 0);
+       rte_eth_dev_tx_queue_config(dev, 0);
 rollback:
        memcpy(&dev->data->dev_conf, &orig_conf, sizeof(dev->data->dev_conf));
 
+       rte_ethdev_trace_configure(port_id, nb_rx_q, nb_tx_q, dev_conf, ret);
        return ret;
 }
 
@@ -1523,6 +1651,8 @@ rte_eth_dev_start(uint16_t port_id)
                RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP);
                (*dev->dev_ops->link_update)(dev, 0);
        }
+
+       rte_ethdev_trace_start(port_id);
        return 0;
 }
 
@@ -1545,6 +1675,7 @@ rte_eth_dev_stop(uint16_t port_id)
 
        dev->data->dev_started = 0;
        (*dev->dev_ops->dev_stop)(dev);
+       rte_ethdev_trace_stop(port_id);
 }
 
 int
@@ -1585,6 +1716,7 @@ rte_eth_dev_close(uint16_t port_id)
        dev->data->dev_started = 0;
        (*dev->dev_ops->dev_close)(dev);
 
+       rte_ethdev_trace_close(port_id);
        /* check behaviour flag - temporary for PMD migration */
        if ((dev->data->dev_flags & RTE_ETH_DEV_CLOSE_REMOVE) != 0) {
                /* new behaviour: send event + reset state + free all data */
@@ -1770,6 +1902,22 @@ rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
                return -EINVAL;
        }
 
+       /*
+        * If LRO is enabled, check that the maximum aggregated packet
+        * size is supported by the configured device.
+        */
+       if (local_conf.offloads & DEV_RX_OFFLOAD_TCP_LRO) {
+               if (dev->data->dev_conf.rxmode.max_lro_pkt_size == 0)
+                       dev->data->dev_conf.rxmode.max_lro_pkt_size =
+                               dev->data->dev_conf.rxmode.max_rx_pkt_len;
+               int ret = check_lro_pkt_size(port_id,
+                               dev->data->dev_conf.rxmode.max_lro_pkt_size,
+                               dev->data->dev_conf.rxmode.max_rx_pkt_len,
+                               dev_info.max_lro_pkt_size);
+               if (ret != 0)
+                       return ret;
+       }
+
        ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc,
                                              socket_id, &local_conf, mp);
        if (!ret) {
@@ -1778,6 +1926,8 @@ rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
                        dev->data->min_rx_buf_size = mbp_buf_size;
        }
 
+       rte_ethdev_trace_rxq_setup(port_id, rx_queue_id, nb_rx_desc, mp,
+               rx_conf, ret);
        return eth_err(port_id, ret);
 }
 
@@ -1948,6 +2098,7 @@ rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id,
                return -EINVAL;
        }
 
+       rte_ethdev_trace_txq_setup(port_id, tx_queue_id, nb_tx_desc, tx_conf);
        return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev,
                       tx_queue_id, nb_tx_desc, socket_id, &local_conf));
 }
@@ -2826,6 +2977,7 @@ rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
         * return status and does not know if get is successful or not.
         */
        memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
+       dev_info->switch_info.domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
 
        RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
        dev = &rte_eth_devices[port_id];
@@ -2844,6 +2996,12 @@ rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
                return eth_err(port_id, diag);
        }
 
+       /* Maximum number of queues should be <= RTE_MAX_QUEUES_PER_PORT */
+       dev_info->max_rx_queues = RTE_MIN(dev_info->max_rx_queues,
+                       RTE_MAX_QUEUES_PER_PORT);
+       dev_info->max_tx_queues = RTE_MIN(dev_info->max_tx_queues,
+                       RTE_MAX_QUEUES_PER_PORT);
+
        dev_info->driver_name = dev->device->driver->name;
        dev_info->nb_rx_queues = dev->data->nb_rx_queues;
        dev_info->nb_tx_queues = dev->data->nb_tx_queues;
@@ -3105,53 +3263,53 @@ rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
        int mask = 0;
        int cur, org = 0;
        uint64_t orig_offloads;
-       uint64_t *dev_offloads;
+       uint64_t dev_offloads;
 
        RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
        dev = &rte_eth_devices[port_id];
 
        /* save original values in case of failure */
        orig_offloads = dev->data->dev_conf.rxmode.offloads;
-       dev_offloads = &dev->data->dev_conf.rxmode.offloads;
+       dev_offloads = orig_offloads;
 
-       /*check which option changed by application*/
+       /* check which option changed by application */
        cur = !!(offload_mask & ETH_VLAN_STRIP_OFFLOAD);
-       org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
+       org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
        if (cur != org) {
                if (cur)
-                       *dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
+                       dev_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
                else
-                       *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
+                       dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
                mask |= ETH_VLAN_STRIP_MASK;
        }
 
        cur = !!(offload_mask & ETH_VLAN_FILTER_OFFLOAD);
-       org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
+       org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_FILTER);
        if (cur != org) {
                if (cur)
-                       *dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
+                       dev_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
                else
-                       *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
+                       dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_FILTER;
                mask |= ETH_VLAN_FILTER_MASK;
        }
 
        cur = !!(offload_mask & ETH_VLAN_EXTEND_OFFLOAD);
-       org = !!(*dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
+       org = !!(dev_offloads & DEV_RX_OFFLOAD_VLAN_EXTEND);
        if (cur != org) {
                if (cur)
-                       *dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
+                       dev_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
                else
-                       *dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
+                       dev_offloads &= ~DEV_RX_OFFLOAD_VLAN_EXTEND;
                mask |= ETH_VLAN_EXTEND_MASK;
        }
 
        cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
-       org = !!(*dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
+       org = !!(dev_offloads & DEV_RX_OFFLOAD_QINQ_STRIP);
        if (cur != org) {
                if (cur)
-                       *dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
+                       dev_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
                else
-                       *dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
+                       dev_offloads &= ~DEV_RX_OFFLOAD_QINQ_STRIP;
                mask |= ETH_QINQ_STRIP_MASK;
        }
 
@@ -3160,10 +3318,11 @@ rte_eth_dev_set_vlan_offload(uint16_t port_id, int offload_mask)
                return ret;
 
        RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_offload_set, -ENOTSUP);
+       dev->data->dev_conf.rxmode.offloads = dev_offloads;
        ret = (*dev->dev_ops->vlan_offload_set)(dev, mask);
        if (ret) {
                /* hit an error restore  original values */
-               *dev_offloads = orig_offloads;
+               dev->data->dev_conf.rxmode.offloads = orig_offloads;
        }
 
        return eth_err(port_id, ret);
@@ -3891,7 +4050,7 @@ rte_eth_dev_callback_unregister(uint16_t port_id,
                        next = TAILQ_NEXT(cb, next);
 
                        if (cb->cb_fn != cb_fn || cb->event != event ||
-                           (cb->cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
+                           (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
                                continue;
 
                        /*
@@ -4304,7 +4463,7 @@ rte_eth_add_first_rx_callback(uint16_t port_id, uint16_t queue_id,
        cb->param = user_param;
 
        rte_spinlock_lock(&rte_eth_rx_cb_lock);
-       /* Add the callbacks at fisrt position*/
+       /* Add the callbacks at first position */
        cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
        rte_smp_wmb();
        rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
@@ -4916,8 +5075,7 @@ rte_eth_switch_domain_alloc(uint16_t *domain_id)
 
        *domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
 
-       for (i = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID + 1;
-               i < RTE_MAX_ETHPORTS; i++) {
+       for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
                if (rte_eth_switch_domains[i].state ==
                        RTE_ETH_SWITCH_DOMAIN_UNUSED) {
                        rte_eth_switch_domains[i].state =
@@ -5042,9 +5200,108 @@ parse_cleanup:
        return result;
 }
 
-RTE_INIT(ethdev_init_log)
+static int
+handle_port_list(const char *cmd __rte_unused,
+               const char *params __rte_unused,
+               struct rte_tel_data *d)
+{
+       int port_id;
+
+       rte_tel_data_start_array(d, RTE_TEL_INT_VAL);
+       RTE_ETH_FOREACH_DEV(port_id)
+               rte_tel_data_add_array_int(d, port_id);
+       return 0;
+}
+
+static int
+handle_port_xstats(const char *cmd __rte_unused,
+               const char *params,
+               struct rte_tel_data *d)
+{
+       struct rte_eth_xstat *eth_xstats;
+       struct rte_eth_xstat_name *xstat_names;
+       int port_id, num_xstats;
+       int i, ret;
+
+       if (params == NULL || strlen(params) == 0 || !isdigit(*params))
+               return -1;
+
+       port_id = atoi(params);
+       if (!rte_eth_dev_is_valid_port(port_id))
+               return -1;
+
+       num_xstats = rte_eth_xstats_get(port_id, NULL, 0);
+       if (num_xstats < 0)
+               return -1;
+
+       /* use one malloc for both names and stats */
+       eth_xstats = malloc((sizeof(struct rte_eth_xstat) +
+                       sizeof(struct rte_eth_xstat_name)) * num_xstats);
+       if (eth_xstats == NULL)
+               return -1;
+       xstat_names = (void *)&eth_xstats[num_xstats];
+
+       ret = rte_eth_xstats_get_names(port_id, xstat_names, num_xstats);
+       if (ret < 0 || ret > num_xstats) {
+               free(eth_xstats);
+               return -1;
+       }
+
+       ret = rte_eth_xstats_get(port_id, eth_xstats, num_xstats);
+       if (ret < 0 || ret > num_xstats) {
+               free(eth_xstats);
+               return -1;
+       }
+
+       rte_tel_data_start_dict(d);
+       for (i = 0; i < num_xstats; i++)
+               rte_tel_data_add_dict_u64(d, xstat_names[i].name,
+                               eth_xstats[i].value);
+       return 0;
+}
+
+static int
+handle_port_link_status(const char *cmd __rte_unused,
+               const char *params,
+               struct rte_tel_data *d)
+{
+       static const char *status_str = "status";
+       int ret, port_id;
+       struct rte_eth_link link;
+
+       if (params == NULL || strlen(params) == 0 || !isdigit(*params))
+               return -1;
+
+       port_id = atoi(params);
+       if (!rte_eth_dev_is_valid_port(port_id))
+               return -1;
+
+       ret = rte_eth_link_get(port_id, &link);
+       if (ret < 0)
+               return -1;
+
+       rte_tel_data_start_dict(d);
+       if (!link.link_status) {
+               rte_tel_data_add_dict_string(d, status_str, "DOWN");
+               return 0;
+       }
+       rte_tel_data_add_dict_string(d, status_str, "UP");
+       rte_tel_data_add_dict_u64(d, "speed", link.link_speed);
+       rte_tel_data_add_dict_string(d, "duplex",
+                       (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
+                               "full-duplex" : "half-duplex");
+       return 0;
+}
+
+RTE_LOG_REGISTER(rte_eth_dev_logtype, lib.ethdev, INFO);
+
+RTE_INIT(ethdev_init_telemetry)
 {
-       rte_eth_dev_logtype = rte_log_register("lib.ethdev");
-       if (rte_eth_dev_logtype >= 0)
-               rte_log_set_level(rte_eth_dev_logtype, RTE_LOG_INFO);
+       rte_telemetry_register_cmd("/ethdev/list", handle_port_list,
+                       "Returns list of available ethdev ports. Takes no parameters");
+       rte_telemetry_register_cmd("/ethdev/xstats", handle_port_xstats,
+                       "Returns the extended stats for a port. Parameters: int port_id");
+       rte_telemetry_register_cmd("/ethdev/link_status",
+                       handle_port_link_status,
+                       "Returns the link status for a port. Parameters: int port_id");
 }