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authorMallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>2009-06-04 11:11:13 +0000
committerDavid S. Miller <davem@davemloft.net>2009-06-07 05:20:19 -0700
commit620fa036b2459ca9acf7484c8074147f0dda68da (patch)
tree22ed490ea8f6c711c6c6e6779583dee475cc9729 /drivers/net/ixgbe/ixgbe_82599.c
parent50ac58ba1d707df33f0c398ae700214e49bf918f (diff)
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.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index 84b83f7b473..4d83e591659 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,
};