diff options
| author | Jackie Jone <[email protected]> | 2024-06-18 14:33:28 -0700 |
|---|---|---|
| committer | Paolo Abeni <[email protected]> | 2024-06-20 15:21:50 +0200 |
| commit | a012f9a752a5856b29610057c76079fbdbe02abf (patch) | |
| tree | 7f1f879b99aa2f3ddfd6183a2cec29dc9afcb99a | |
| parent | e3511997d7dc981d1e11c60d6a57e95361669595 (diff) | |
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 <[email protected]>
Acked-by: Jacob Keller <[email protected]>
Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 4 |
1 files changed, 4 insertions, 0 deletions
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; } |