mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

igb: fixes 82576 serdes init to correctly support manual flow control changes 

This patch changes the PCS configuration for serdes so that the flow
control options change be set via the ethtool -A option.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Alexander Duyck 2008-08-04 14:59:56 -07:00 committed by Jeff Garzik
parent c743a87eab
commit 726c09e7b6
2 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/igb/e1000_82575.c
View File

@ -1136,6 +1136,12 @@ static s32 igb_setup_fiber_serdes_link_82575(struct e1000_hw *hw)
E1000_PCS_LCTL_FORCE_LINK; /* Force Link */
hw_dbg("Configuring Forced Link; PCS_LCTL = 0x%08X\n", reg);
}
if (hw->mac.type == e1000_82576) {
reg |= E1000_PCS_LCTL_FORCE_FCTRL;
igb_force_mac_fc(hw);
}
wr32(E1000_PCS_LCTL, reg);
return 0;

1
drivers/net/igb/e1000_defines.h
View File

@ -257,6 +257,7 @@
#define E1000_PCS_LCTL_FDV_FULL 8
#define E1000_PCS_LCTL_FSD 0x10
#define E1000_PCS_LCTL_FORCE_LINK 0x20
#define E1000_PCS_LCTL_FORCE_FCTRL 0x80
#define E1000_PCS_LCTL_AN_ENABLE 0x10000
#define E1000_PCS_LCTL_AN_RESTART 0x20000
#define E1000_PCS_LCTL_AN_TIMEOUT 0x40000