From a012f9a752a5856b29610057c76079fbdbe02abf Mon Sep 17 00:00:00 2001 From: Jackie Jone Date: Tue, 18 Jun 2024 14:33:28 -0700 Subject: igb: Add MII write support To facilitate running PHY parametric tests, add support for the SIOCSMIIREG ioctl. This allows a userspace application to write to the PHY registers to enable the test modes. Signed-off-by: Jackie Jone Acked-by: Jacob Keller Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Link: https://lore.kernel.org/r/20240618213330.982046-1-anthony.l.nguyen@intel.com Signed-off-by: Paolo Abeni --- drivers/net/ethernet/intel/igb/igb_main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index fce2930ae6af..3af03a211c3c 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -9139,6 +9139,10 @@ static int igb_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) return -EIO; break; case SIOCSMIIREG: + if (igb_write_phy_reg(&adapter->hw, data->reg_num & 0x1F, + data->val_in)) + return -EIO; + break; default: return -EOPNOTSUPP; } -- cgit v1.2.3