diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 81 | 
1 files changed, 79 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 1663e0b6b5a..77ebae0ac64 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -8647,7 +8647,9 @@ void bnx2x_handle_module_detect_int(struct link_params *params)  						MDIO_WC_DEVAD,  						MDIO_WC_REG_DIGITAL5_MISC6,  						&rx_tx_in_reset); -				if (!rx_tx_in_reset) { +				if ((!rx_tx_in_reset) && +				    (params->link_flags & +				     PHY_INITIALIZED)) {  					bnx2x_warpcore_reset_lane(bp, phy, 1);  					bnx2x_warpcore_config_sfi(phy, params);  					bnx2x_warpcore_reset_lane(bp, phy, 0); @@ -10422,6 +10424,28 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,  					 MDIO_PMA_DEVAD,  					 MDIO_PMA_REG_8481_LED1_MASK,  					 0x0); +			if (phy->type == +			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { +				/* Disable MI_INT interrupt before setting LED4 +				 * source to constant off. +				 */ +				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + +					   params->port*4) & +				    NIG_MASK_MI_INT) { +					params->link_flags |= +					LINK_FLAGS_INT_DISABLED; + +					bnx2x_bits_dis( +						bp, +						NIG_REG_MASK_INTERRUPT_PORT0 + +						params->port*4, +						NIG_MASK_MI_INT); +				} +				bnx2x_cl45_write(bp, phy, +						 MDIO_PMA_DEVAD, +						 MDIO_PMA_REG_8481_SIGNAL_MASK, +						 0x0); +			}  		}  		break;  	case LED_MODE_ON: @@ -10468,6 +10492,28 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,  					 MDIO_PMA_DEVAD,  					 MDIO_PMA_REG_8481_LED1_MASK,  					 0x20); +			if (phy->type == +			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { +				/* Disable MI_INT interrupt before setting LED4 +				 * source to constant on. +				 */ +				if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + +					   params->port*4) & +				    NIG_MASK_MI_INT) { +					params->link_flags |= +					LINK_FLAGS_INT_DISABLED; + +					bnx2x_bits_dis( +						bp, +						NIG_REG_MASK_INTERRUPT_PORT0 + +						params->port*4, +						NIG_MASK_MI_INT); +				} +				bnx2x_cl45_write(bp, phy, +						 MDIO_PMA_DEVAD, +						 MDIO_PMA_REG_8481_SIGNAL_MASK, +						 0x20); +			}  		}  		break; @@ -10532,6 +10578,22 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,  					 MDIO_PMA_DEVAD,  					 MDIO_PMA_REG_8481_LINK_SIGNAL,  					 val); +			if (phy->type == +			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { +				/* Restore LED4 source to external link, +				 * and re-enable interrupts. +				 */ +				bnx2x_cl45_write(bp, phy, +						 MDIO_PMA_DEVAD, +						 MDIO_PMA_REG_8481_SIGNAL_MASK, +						 0x40); +				if (params->link_flags & +				    LINK_FLAGS_INT_DISABLED) { +					bnx2x_link_int_enable(params); +					params->link_flags &= +						~LINK_FLAGS_INT_DISABLED; +				} +			}  		}  		break;  	} @@ -11791,6 +11853,8 @@ static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,  			phy->media_type = ETH_PHY_KR;  			phy->flags |= FLAGS_WC_DUAL_MODE;  			phy->supported &= (SUPPORTED_20000baseKR2_Full | +					   SUPPORTED_10000baseT_Full | +					   SUPPORTED_1000baseT_Full |  					   SUPPORTED_Autoneg |  					   SUPPORTED_FIBRE |  					   SUPPORTED_Pause | @@ -12465,6 +12529,8 @@ int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)  	vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;  	vars->mac_type = MAC_TYPE_NONE;  	vars->phy_flags = 0; +	vars->check_kr2_recovery_cnt = 0; +	params->link_flags = PHY_INITIALIZED;  	/* Driver opens NIG-BRB filters */  	bnx2x_set_rx_filter(params, 1);  	/* Check if link flap can be avoided */ @@ -12629,6 +12695,7 @@ int bnx2x_lfa_reset(struct link_params *params,  	struct bnx2x *bp = params->bp;  	vars->link_up = 0;  	vars->phy_flags = 0; +	params->link_flags &= ~PHY_INITIALIZED;  	if (!params->lfa_base)  		return bnx2x_link_reset(params, vars, 1);  	/* @@ -13349,6 +13416,7 @@ static void bnx2x_disable_kr2(struct link_params *params,  	vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;  	bnx2x_update_link_attr(params, vars->link_attr_sync); +	vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;  	/* Restart AN on leading lane */  	bnx2x_warpcore_restart_AN_KR(phy, params);  } @@ -13377,6 +13445,15 @@ static void bnx2x_check_kr2_wa(struct link_params *params,  		return;  	} +	/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery +	 * since some switches tend to reinit the AN process and clear the +	 * advertised BP/NP after ~2 seconds causing the KR2 to be disabled +	 * and recovered many times +	 */ +	if (vars->check_kr2_recovery_cnt > 0) { +		vars->check_kr2_recovery_cnt--; +		return; +	}  	lane = bnx2x_get_warpcore_lane(phy, params);  	CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,  			  MDIO_AER_BLOCK_AER_REG, lane); @@ -13437,7 +13514,7 @@ void bnx2x_period_func(struct link_params *params, struct link_vars *vars)  		struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];  		bnx2x_set_aer_mmd(params, phy);  		if ((phy->supported & SUPPORTED_20000baseKR2_Full) && -		    (phy->speed_cap_mask & SPEED_20000)) +		    (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))  			bnx2x_check_kr2_wa(params, vars, phy);  		bnx2x_check_over_curr(params, vars);  		if (vars->rx_tx_asic_rst)  |