diff options
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_ethtool.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index f530fc29b074..ff2a40496e4e 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -153,7 +153,7 @@ static void igc_get_regs(struct net_device *netdev, memset(p, 0, IGC_REGS_LEN * sizeof(u32)); - regs->version = (1u << 24) | (hw->revision_id << 16) | hw->device_id; + regs->version = (2u << 24) | (hw->revision_id << 16) | hw->device_id; /* General Registers */ regs_buff[0] = rd32(IGC_CTRL); @@ -306,6 +306,15 @@ static void igc_get_regs(struct net_device *netdev, regs_buff[164 + i] = rd32(IGC_TDT(i)); for (i = 0; i < 4; i++) regs_buff[168 + i] = rd32(IGC_TXDCTL(i)); + + /* XXX: Due to a bug few lines above, RAL and RAH registers are + * overwritten. To preserve the ABI, we write these registers again in + * regs_buff. + */ + for (i = 0; i < 16; i++) + regs_buff[172 + i] = rd32(IGC_RAL(i)); + for (i = 0; i < 16; i++) + regs_buff[188 + i] = rd32(IGC_RAH(i)); } static void igc_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |