net/cnxk: report link type and status

Retrieves type of port i.e. twisted pair, fibre etc
from firmware and reports the same to user.

Signed-off-by: Nithin Dabilpuram <[email protected]>
Signed-off-by: Sunil Kumar Kori <[email protected]>

Author: SunilKumarKori

doc/guides/rel_notes/release_25_11.rst

@@ -125,6 +125,7 @@ New Features
   Added support to set/get link configuration as mentioned below:
 
   * Get speed capability from firmware.
+  * Report link type and status.
   * Configure link mode.
 
 * **Added Nebulamatrix nbl ethernet driver.**

drivers/net/cnxk/cnxk_ethdev.c

@@ -62,6 +62,17 @@ static const uint32_t cnxk_mac_modes[CGX_MODE_MAX + 1] = {
 	[ETH_MODE_10G_QXGMII_BIT] = RTE_ETH_LINK_SPEED_10G,
 };
 
+static const uint8_t cnxk_port_type[] = {
+	[CGX_PORT_TP] = RTE_ETH_LINK_CONNECTOR_TP,
+	[CGX_PORT_AUI] = RTE_ETH_LINK_CONNECTOR_AUI,
+	[CGX_PORT_MII] = RTE_ETH_LINK_CONNECTOR_MII,
+	[CGX_PORT_FIBRE] = RTE_ETH_LINK_CONNECTOR_FIBER,
+	[CGX_PORT_BNC] = RTE_ETH_LINK_CONNECTOR_BNC,
+	[CGX_PORT_DA] = RTE_ETH_LINK_CONNECTOR_DAC,
+	[CGX_PORT_NONE] = RTE_ETH_LINK_CONNECTOR_NONE,
+	[CGX_PORT_OTHER] = RTE_ETH_LINK_CONNECTOR_OTHER,
+};
+
 cnxk_ethdev_rx_offload_cb_t cnxk_ethdev_rx_offload_cb;
 
 #define CNXK_NIX_CQ_INL_CLAMP_MAX (64UL * 1024UL)
@@ -98,6 +109,7 @@ static inline uint32_t
 nix_get_speed_capa(struct cnxk_eth_dev *dev)
 {
 	struct roc_nix_mac_fwdata fwdata;
+	struct rte_eth_link link;
 	uint32_t speed_capa;
 	uint8_t mode;
 	int rc;
@@ -120,6 +132,12 @@ nix_get_speed_capa(struct cnxk_eth_dev *dev)
 			if (fwdata.supported_link_modes & BIT_ULL(mode))
 				speed_capa |= cnxk_mac_modes[mode];
 		}
+		dev->link_type = cnxk_port_type[(uint8_t)fwdata.port_type];
+
+		/* Set link type at init */
+		memset(&link, 0, sizeof(link));
+		link.link_connector = dev->link_type;
+		rte_eth_linkstatus_set(dev->eth_dev, &link);
 	}
 
 	return speed_capa;
@@ -1787,6 +1805,7 @@ cnxk_nix_dev_stop(struct rte_eth_dev *eth_dev)
 
 	/* Bring down link status internally */
 	memset(&link, 0, sizeof(link));
+	link.link_connector = dev->link_type;
 	rte_eth_linkstatus_set(eth_dev, &link);
 
 	return 0;

drivers/net/cnxk/cnxk_ethdev.h

@@ -370,6 +370,7 @@ struct cnxk_eth_dev {
 	uint64_t rx_offload_capa;
 	uint64_t tx_offload_capa;
 	uint32_t speed_capa;
+	uint8_t link_type;
 	/* Configured Rx and Tx offloads */
 	uint64_t rx_offloads;
 	uint64_t tx_offloads;

drivers/net/cnxk/cnxk_link.c

@@ -115,14 +115,16 @@ static void
 nix_link_status_print(struct rte_eth_dev *eth_dev, struct rte_eth_link *link)
 {
 	if (link && link->link_status)
-		plt_info("Port %d: Link Up - speed %u Mbps - %s",
+		plt_info("Port %d: Link Up - speed %u Mbps - %s - %s",
 			 (int)(eth_dev->data->port_id),
 			 (uint32_t)link->link_speed,
 			 link->link_duplex == RTE_ETH_LINK_FULL_DUPLEX
 				 ? "full-duplex"
-				 : "half-duplex");
+				 : "half-duplex",
+				 rte_eth_link_connector_to_str(link->link_connector));
 	else
-		plt_info("Port %d: Link Down", (int)(eth_dev->data->port_id));
+		plt_info("Port %d: Link Down - %s", (int)(eth_dev->data->port_id),
+			 rte_eth_link_connector_to_str(link->link_connector));
 }
 
 void
@@ -171,6 +173,7 @@ cnxk_eth_dev_link_status_cb(struct roc_nix *nix, struct roc_nix_link_info *link)
 	eth_link.link_speed = link->speed;
 	eth_link.link_autoneg = RTE_ETH_LINK_AUTONEG;
 	eth_link.link_duplex = link->full_duplex;
+	eth_link.link_connector = dev->link_type;
 
 	/* Print link info */
 	nix_link_status_print(eth_dev, &eth_link);
@@ -210,6 +213,7 @@ cnxk_nix_link_update(struct rte_eth_dev *eth_dev, int wait_to_complete)
 		link.link_autoneg = RTE_ETH_LINK_AUTONEG;
 		if (info.full_duplex)
 			link.link_duplex = info.full_duplex;
+		link.link_connector = dev->link_type;
 	}
 
 	return rte_eth_linkstatus_set(eth_dev, &link);