diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2010-05-08 14:59:58 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-05-08 14:59:58 -0700 |
| commit | d7be0ce6afb1df60bc786f57410407ceae92b994 (patch) | |
| tree | 5e91acfc12c833531ad3320f274e0cd96a129973 /drivers/net/ixgbe/ixgbe_82599.c | |
| parent | e08cae4181af9483b04ecfac48f01c8e5a5f27bf (diff) | |
| parent | 66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff) | |
Merge commit 'v2.6.34-rc6' into x86/cpu
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_82599.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_82599.c | 62 |
1 files changed, 48 insertions, 14 deletions
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c index b405a00817c..12fc0e7ba2c 100644 --- a/drivers/net/ixgbe/ixgbe_82599.c +++ b/drivers/net/ixgbe/ixgbe_82599.c @@ -39,6 +39,8 @@ #define IXGBE_82599_MC_TBL_SIZE 128 #define IXGBE_82599_VFT_TBL_SIZE 128 +void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); +void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, ixgbe_link_speed speed, @@ -69,8 +71,14 @@ static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw) if (hw->phy.multispeed_fiber) { /* Set up dual speed SFP+ support */ mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber; + mac->ops.disable_tx_laser = + &ixgbe_disable_tx_laser_multispeed_fiber; + mac->ops.enable_tx_laser = + &ixgbe_enable_tx_laser_multispeed_fiber; mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber; } else { + mac->ops.disable_tx_laser = NULL; + mac->ops.enable_tx_laser = NULL; mac->ops.flap_tx_laser = NULL; if ((mac->ops.get_media_type(hw) == ixgbe_media_type_backplane) && @@ -415,6 +423,44 @@ s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw, return status; } + /** + * ixgbe_disable_tx_laser_multispeed_fiber - Disable Tx laser + * @hw: pointer to hardware structure + * + * The base drivers may require better control over SFP+ module + * PHY states. This includes selectively shutting down the Tx + * laser on the PHY, effectively halting physical link. + **/ +void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) +{ + u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP); + + /* Disable tx laser; allow 100us to go dark per spec */ + esdp_reg |= IXGBE_ESDP_SDP3; + IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); + IXGBE_WRITE_FLUSH(hw); + udelay(100); +} + +/** + * ixgbe_enable_tx_laser_multispeed_fiber - Enable Tx laser + * @hw: pointer to hardware structure + * + * The base drivers may require better control over SFP+ module + * PHY states. This includes selectively turning on the Tx + * laser on the PHY, effectively starting physical link. + **/ +void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) +{ + u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP); + + /* Enable tx laser; allow 100ms to light up */ + esdp_reg &= ~IXGBE_ESDP_SDP3; + IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); + IXGBE_WRITE_FLUSH(hw); + msleep(100); +} + /** * ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser * @hw: pointer to hardware structure @@ -429,23 +475,11 @@ s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw, **/ void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) { - u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP); - hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n"); if (hw->mac.autotry_restart) { - /* Disable tx laser; allow 100us to go dark per spec */ - esdp_reg |= IXGBE_ESDP_SDP3; - IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); - IXGBE_WRITE_FLUSH(hw); - udelay(100); - - /* Enable tx laser; allow 100ms to light up */ - esdp_reg &= ~IXGBE_ESDP_SDP3; - IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg); - IXGBE_WRITE_FLUSH(hw); - msleep(100); - + ixgbe_disable_tx_laser_multispeed_fiber(hw); + ixgbe_enable_tx_laser_multispeed_fiber(hw); hw->mac.autotry_restart = false; } } |