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ixgbevf: Add support to recognize 100mb link speed

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The X540 10Gig controller is capable of linking at 100Mbits - add
support for reporting that link speed.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Greg Rose 2012-04-10 01:56:37 +00:00 committed by Jeff Kirsher
parent 59aed95263
commit 31a1b3758e
3 changed files with 25 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/intel/ixgbevf/defines.h
View File

@ -40,6 +40,7 @@
typedef u32 ixgbe_link_speed;
#define IXGBE_LINK_SPEED_1GB_FULL 0x0020
#define IXGBE_LINK_SPEED_10GB_FULL 0x0080
#define IXGBE_LINK_SPEED_100_FULL 0x0008
#define IXGBE_CTRL_RST 0x04000000 /* Reset (SW) */
#define IXGBE_RXDCTL_ENABLE 0x02000000 /* Enable specific Rx Queue */
@ -48,6 +49,7 @@ typedef u32 ixgbe_link_speed;
#define IXGBE_LINKS_SPEED_82599 0x30000000
#define IXGBE_LINKS_SPEED_10G_82599 0x30000000
#define IXGBE_LINKS_SPEED_1G_82599 0x20000000
#define IXGBE_LINKS_SPEED_100_82599 0x10000000
/* Number of Transmit and Receive Descriptors must be a multiple of 8 */
#define IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE 8

18
drivers/net/ethernet/intel/ixgbevf/ethtool.c
View File

@ -107,10 +107,20 @@ static int ixgbevf_get_settings(struct net_device *netdev,
hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
if (link_up) {
ethtool_cmd_speed_set(
ecmd,
(link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
SPEED_10000 : SPEED_1000);
__u32 speed = SPEED_10000;
switch (link_speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
speed = SPEED_10000;
break;
case IXGBE_LINK_SPEED_1GB_FULL:
speed = SPEED_1000;
break;
case IXGBE_LINK_SPEED_100_FULL:
speed = SPEED_100;
break;
}
ethtool_cmd_speed_set(ecmd, speed);
ecmd->duplex = DUPLEX_FULL;
} else {
ethtool_cmd_speed_set(ecmd, -1);

12
drivers/net/ethernet/intel/ixgbevf/vf.c
View File

@ -404,11 +404,17 @@ static s32 ixgbevf_check_mac_link_vf(struct ixgbe_hw *hw,
else
*link_up = false;
if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
IXGBE_LINKS_SPEED_10G_82599)
switch (links_reg & IXGBE_LINKS_SPEED_82599) {
case IXGBE_LINKS_SPEED_10G_82599:
*speed = IXGBE_LINK_SPEED_10GB_FULL;
else
break;
case IXGBE_LINKS_SPEED_1G_82599:
*speed = IXGBE_LINK_SPEED_1GB_FULL;
break;
case IXGBE_LINKS_SPEED_100_82599:
*speed = IXGBE_LINK_SPEED_100_FULL;
break;
}
return 0;
}