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path: root/drivers/net/ixgbe/ixgbe_82599.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_82599.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_82599.c62
1 files changed, 48 insertions, 14 deletions
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index b405a00817c6..12fc0e7ba2ca 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -39,6 +39,8 @@
39#define IXGBE_82599_MC_TBL_SIZE 128 39#define IXGBE_82599_MC_TBL_SIZE 128
40#define IXGBE_82599_VFT_TBL_SIZE 128 40#define IXGBE_82599_VFT_TBL_SIZE 128
41 41
42void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
43void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
42void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); 44void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
43s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, 45s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
44 ixgbe_link_speed speed, 46 ixgbe_link_speed speed,
@@ -69,8 +71,14 @@ static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
69 if (hw->phy.multispeed_fiber) { 71 if (hw->phy.multispeed_fiber) {
70 /* Set up dual speed SFP+ support */ 72 /* Set up dual speed SFP+ support */
71 mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber; 73 mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber;
74 mac->ops.disable_tx_laser =
75 &ixgbe_disable_tx_laser_multispeed_fiber;
76 mac->ops.enable_tx_laser =
77 &ixgbe_enable_tx_laser_multispeed_fiber;
72 mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber; 78 mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber;
73 } else { 79 } else {
80 mac->ops.disable_tx_laser = NULL;
81 mac->ops.enable_tx_laser = NULL;
74 mac->ops.flap_tx_laser = NULL; 82 mac->ops.flap_tx_laser = NULL;
75 if ((mac->ops.get_media_type(hw) == 83 if ((mac->ops.get_media_type(hw) ==
76 ixgbe_media_type_backplane) && 84 ixgbe_media_type_backplane) &&
@@ -415,6 +423,44 @@ s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
415 return status; 423 return status;
416} 424}
417 425
426 /**
427 * ixgbe_disable_tx_laser_multispeed_fiber - Disable Tx laser
428 * @hw: pointer to hardware structure
429 *
430 * The base drivers may require better control over SFP+ module
431 * PHY states. This includes selectively shutting down the Tx
432 * laser on the PHY, effectively halting physical link.
433 **/
434void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
435{
436 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
437
438 /* Disable tx laser; allow 100us to go dark per spec */
439 esdp_reg |= IXGBE_ESDP_SDP3;
440 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
441 IXGBE_WRITE_FLUSH(hw);
442 udelay(100);
443}
444
445/**
446 * ixgbe_enable_tx_laser_multispeed_fiber - Enable Tx laser
447 * @hw: pointer to hardware structure
448 *
449 * The base drivers may require better control over SFP+ module
450 * PHY states. This includes selectively turning on the Tx
451 * laser on the PHY, effectively starting physical link.
452 **/
453void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
454{
455 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
456
457 /* Enable tx laser; allow 100ms to light up */
458 esdp_reg &= ~IXGBE_ESDP_SDP3;
459 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
460 IXGBE_WRITE_FLUSH(hw);
461 msleep(100);
462}
463
418/** 464/**
419 * ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser 465 * ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser
420 * @hw: pointer to hardware structure 466 * @hw: pointer to hardware structure
@@ -429,23 +475,11 @@ s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
429 **/ 475 **/
430void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) 476void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
431{ 477{
432 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
433
434 hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n"); 478 hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n");
435 479
436 if (hw->mac.autotry_restart) { 480 if (hw->mac.autotry_restart) {
437 /* Disable tx laser; allow 100us to go dark per spec */ 481 ixgbe_disable_tx_laser_multispeed_fiber(hw);
438 esdp_reg |= IXGBE_ESDP_SDP3; 482 ixgbe_enable_tx_laser_multispeed_fiber(hw);
439 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
440 IXGBE_WRITE_FLUSH(hw);
441 udelay(100);
442
443 /* Enable tx laser; allow 100ms to light up */
444 esdp_reg &= ~IXGBE_ESDP_SDP3;
445 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
446 IXGBE_WRITE_FLUSH(hw);
447 msleep(100);
448
449 hw->mac.autotry_restart = false; 483 hw->mac.autotry_restart = false;
450 } 484 }
451} 485}