common/sfc_efx/base: enable parallel detect via netport MCDI

okt-imalov · shemminger · commit 6df5b211fae0 · 2025-08-13T08:28:09.000-07:00
When autoneg is enabled, also enable parallel detect, to try
to discover link tech/FEC settings that result in link up.

Suggested-by: Andy Moreton &lt;andy.moreton@amd.com&gt;
Signed-off-by: Ivan Malov &lt;ivan.malov@arknetworks.am&gt;
Acked-by: Andrew Rybchenko &lt;andrew.rybchenko@oktetlabs.ru&gt;
diff --git a/drivers/common/sfc_efx/base/efx_np.c b/drivers/common/sfc_efx/base/efx_np.c
@@ -1349,6 +1349,7 @@ efx_np_link_ctrl(
 			    NULL, NULL, cap_mask_hw_pausep);
 		}
 
+		flags |= 1U << MC_CMD_LINK_FLAGS_PARALLEL_DETECT_EN;
 		flags |= 1U << MC_CMD_LINK_FLAGS_AUTONEG_EN;
 		link_tech = MC_CMD_ETH_TECH_AUTO;
 	} else {

Original file line number	Diff line number	Diff line change
`@@ -1349,6 +1349,7 @@ efx_np_link_ctrl(`
`1349`	`1349`	`NULL, NULL, cap_mask_hw_pausep);`
`1350`	`1350`	`}`
`1351`	`1351`
	`1352`	`+ flags \|= 1U << MC_CMD_LINK_FLAGS_PARALLEL_DETECT_EN;`
`1352`	`1353`	`flags \|= 1U << MC_CMD_LINK_FLAGS_AUTONEG_EN;`
`1353`	`1354`	`link_tech = MC_CMD_ETH_TECH_AUTO;`
`1354`	`1355`	`} else {`