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| author | Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com> | 2009-06-04 11:11:13 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-06-07 05:20:19 -0700 |
| commit | 620fa036b2459ca9acf7484c8074147f0dda68da (patch) | |
| tree | 22ed490ea8f6c711c6c6e6779583dee475cc9729 /drivers/net/ixgbe/ixgbe_82599.c | |
| parent | 50ac58ba1d707df33f0c398ae700214e49bf918f (diff) | |
| download | kernel_samsung_smdk4412-620fa036b2459ca9acf7484c8074147f0dda68da.zip kernel_samsung_smdk4412-620fa036b2459ca9acf7484c8074147f0dda68da.tar.gz kernel_samsung_smdk4412-620fa036b2459ca9acf7484c8074147f0dda68da.tar.bz2 | |
ixgbe: Fix 82599 adapter link flickering issues
Fix autoneg restart issues in flow control path which might create
endless link flickering due to known timing issues with 82599
adapters.
Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakakla@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_82599.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_82599.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c index 84b83f7..4d83e59 100644 --- a/drivers/net/ixgbe/ixgbe_82599.c +++ b/drivers/net/ixgbe/ixgbe_82599.c @@ -413,9 +413,6 @@ s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw) } } - /* Set up flow control */ - status = ixgbe_setup_fc_generic(hw, 0); - /* Add delay to filter out noises during initial link setup */ msleep(50); @@ -641,6 +638,11 @@ s32 ixgbe_check_mac_link_82599(struct ixgbe_hw *hw, ixgbe_link_speed *speed, else *speed = IXGBE_LINK_SPEED_100_FULL; + /* if link is down, zero out the current_mode */ + if (*link_up == false) { + hw->fc.current_mode = ixgbe_fc_none; + hw->fc.fc_was_autonegged = false; + } return 0; } @@ -747,9 +749,6 @@ s32 ixgbe_setup_mac_link_speed_82599(struct ixgbe_hw *hw, } } - /* Set up flow control */ - status = ixgbe_setup_fc_generic(hw, 0); - /* Add delay to filter out noises during initial link setup */ msleep(50); } @@ -1509,7 +1508,7 @@ static struct ixgbe_mac_operations mac_ops_82599 = { .disable_mc = &ixgbe_disable_mc_generic, .clear_vfta = &ixgbe_clear_vfta_82599, .set_vfta = &ixgbe_set_vfta_82599, - .setup_fc = &ixgbe_setup_fc_generic, + .fc_enable = &ixgbe_fc_enable_generic, .init_uta_tables = &ixgbe_init_uta_tables_82599, .setup_sfp = &ixgbe_setup_sfp_modules_82599, }; |