diff options
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 39 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 1 |
3 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 94e39c13e7d4..22cf2a9430b5 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -803,6 +803,8 @@ struct ixgbe_adapter { #define IXGBE_RSS_KEY_SIZE 40 /* size of RSS Hash Key in bytes */ u32 rss_key[IXGBE_RSS_KEY_SIZE / sizeof(u32)]; + + bool need_crosstalk_fix; }; static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 517f06e6c3d8..09d7c8bdcd5c 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -5572,6 +5572,7 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter) struct pci_dev *pdev = adapter->pdev; unsigned int rss, fdir; u32 fwsm; + u16 device_caps; #ifdef CONFIG_IXGBE_DCB int j; struct tc_configuration *tc; @@ -5737,6 +5738,22 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter) adapter->tx_ring_count = IXGBE_DEFAULT_TXD; adapter->rx_ring_count = IXGBE_DEFAULT_RXD; + /* Cache bit indicating need for crosstalk fix */ + switch (hw->mac.type) { + case ixgbe_mac_82599EB: + case ixgbe_mac_X550EM_x: + case ixgbe_mac_x550em_a: + hw->mac.ops.get_device_caps(hw, &device_caps); + if (device_caps & IXGBE_DEVICE_CAPS_NO_CROSSTALK_WR) + adapter->need_crosstalk_fix = false; + else + adapter->need_crosstalk_fix = true; + break; + default: + adapter->need_crosstalk_fix = false; + break; + } + /* set default work limits */ adapter->tx_work_limit = IXGBE_DEFAULT_TX_WORK; @@ -6659,6 +6676,18 @@ static void ixgbe_watchdog_update_link(struct ixgbe_adapter *adapter) link_up = true; } + /* If Crosstalk fix enabled do the sanity check of making sure + * the SFP+ cage is empty. + */ + if (adapter->need_crosstalk_fix) { + u32 sfp_cage_full; + + sfp_cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & + IXGBE_ESDP_SDP2; + if (ixgbe_is_sfp(hw) && link_up && !sfp_cage_full) + link_up = false; + } + if (adapter->ixgbe_ieee_pfc) pfc_en |= !!(adapter->ixgbe_ieee_pfc->pfc_en); @@ -7005,6 +7034,16 @@ static void ixgbe_sfp_detection_subtask(struct ixgbe_adapter *adapter) struct ixgbe_hw *hw = &adapter->hw; s32 err; + /* If crosstalk fix enabled verify the SFP+ cage is full */ + if (adapter->need_crosstalk_fix) { + u32 sfp_cage_full; + + sfp_cage_full = IXGBE_READ_REG(hw, IXGBE_ESDP) & + IXGBE_ESDP_SDP2; + if (!sfp_cage_full) + return; + } + /* not searching for SFP so there is nothing to do here */ if (!(adapter->flags2 & IXGBE_FLAG2_SEARCH_FOR_SFP) && !(adapter->flags2 & IXGBE_FLAG2_SFP_NEEDS_RESET)) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h index 29a1c423543b..8e7decb3e078 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h @@ -2124,6 +2124,7 @@ enum { #define IXGBE_SAN_MAC_ADDR_PORT1_OFFSET 0x3 #define IXGBE_DEVICE_CAPS_ALLOW_ANY_SFP 0x1 #define IXGBE_DEVICE_CAPS_FCOE_OFFLOADS 0x2 +#define IXGBE_DEVICE_CAPS_NO_CROSSTALK_WR BIT(7) #define IXGBE_FW_LESM_PARAMETERS_PTR 0x2 #define IXGBE_FW_LESM_STATE_1 0x1 #define IXGBE_FW_LESM_STATE_ENABLED 0x8000 /* LESM Enable bit */ |
