ixgbevf: Add support to recognize 100mb link speed
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>
diff --git a/drivers/net/ethernet/intel/ixgbevf/defines.h b/drivers/net/ethernet/intel/ixgbevf/defines.h
index 947b5c8..e09a6cc 100644
--- a/drivers/net/ethernet/intel/ixgbevf/defines.h
+++ b/drivers/net/ethernet/intel/ixgbevf/defines.h
@@ -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 @@
#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
diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
index 2bfe0d1..e8dddf5 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
@@ -107,10 +107,20 @@
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);
diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.c b/drivers/net/ethernet/intel/ixgbevf/vf.c
index 74be741..ec89b86 100644
--- a/drivers/net/ethernet/intel/ixgbevf/vf.c
+++ b/drivers/net/ethernet/intel/ixgbevf/vf.c
@@ -404,11 +404,17 @@
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;
}