net/cnxk: report link mode

Reports link mode whether fixed or auto-negotiation

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

@@ -128,6 +128,14 @@ New Features
 
   Added ENETC4 PMD for multiple new generation SoCs.
 
+* **Updated CNXK ethernet driver.**
+
+  Added support to set/get link configuration as mentioned below:
+
+  * Get speed capability from firmware.
+  * Report link type, mode and status.
+  * Configure link mode.
+
 * **Updated Wangxun txgbe ethernet driver.**
 
   Added support for Wangxun Amber-Lite NIC series,

drivers/net/cnxk/cnxk_link.c

@@ -171,7 +171,7 @@ cnxk_eth_dev_link_status_cb(struct roc_nix *nix, struct roc_nix_link_info *link)
 
 	eth_link.link_status = link->status;
 	eth_link.link_speed = link->speed;
-	eth_link.link_autoneg = RTE_ETH_LINK_AUTONEG;
+	eth_link.link_autoneg = link->autoneg ? RTE_ETH_LINK_AUTONEG : RTE_ETH_LINK_FIXED;
 	eth_link.link_duplex = link->full_duplex;
 	eth_link.link_connector = dev->link_type;
 
@@ -210,7 +210,7 @@ cnxk_nix_link_update(struct rte_eth_dev *eth_dev, int wait_to_complete)
 			return rc;
 		link.link_status = info.status;
 		link.link_speed = info.speed;
-		link.link_autoneg = RTE_ETH_LINK_AUTONEG;
+		link.link_autoneg = info.autoneg ? RTE_ETH_LINK_AUTONEG : RTE_ETH_LINK_FIXED;
 		if (info.full_duplex)
 			link.link_duplex = info.full_duplex;
 		link.link_connector = dev->link_type;