diff options
| author | Lihong Yang <[email protected]> | 2017-01-30 12:29:32 -0800 |
|---|---|---|
| committer | Jeff Kirsher <[email protected]> | 2017-03-15 01:58:21 -0700 |
| commit | c271dd6c391b535226cf1a81aaad9f33cb5899d3 (patch) | |
| tree | d713ff74140b3054d53ee6961a7b84bfc739e1d7 | |
| parent | c0cf70a6fc373570f86c6dc4799d775363b9946e (diff) | |
i40e: fix ethtool to get EEPROM data from X722 interface
Currently ethtool -e will error out with a X722 interface
as its EEPROM has a scope limit at offset 0x5B9FFF.
This patch fixes the issue by setting the EEPROM length to
the scope limit to avoid NVM read failure beyond that.
Change-ID: I0b7d4dd6c7f2a57cace438af5dffa0f44c229372
Signed-off-by: Lihong Yang <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index a22e26200bcc..3aefc9e20439 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -1165,6 +1165,11 @@ static int i40e_get_eeprom_len(struct net_device *netdev) struct i40e_hw *hw = &np->vsi->back->hw; u32 val; +#define X722_EEPROM_SCOPE_LIMIT 0x5B9FFF + if (hw->mac.type == I40E_MAC_X722) { + val = X722_EEPROM_SCOPE_LIMIT + 1; + return val; + } val = (rd32(hw, I40E_GLPCI_LBARCTRL) & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK) >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT; |