From 31a1b3758e41d225695222793e5947e13ddcaba2 Mon Sep 17 00:00:00 2001 From: Greg Rose Date: Tue, 10 Apr 2012 01:56:37 +0000 Subject: [PATCH] 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 Tested-by: Sibai Li Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbevf/defines.h | 2 ++ drivers/net/ethernet/intel/ixgbevf/ethtool.c | 18 ++++++++++++++---- drivers/net/ethernet/intel/ixgbevf/vf.c | 12 +++++++++--- 3 files changed, 25 insertions(+), 7 deletions(-) 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 @@ 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 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 @@ 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); 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 @@ 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; } -- 2.7.4