diff options
Diffstat (limited to 'drivers/net/igb/e1000_mac.c')
-rw-r--r-- | drivers/net/igb/e1000_mac.c | 175 |
1 files changed, 110 insertions, 65 deletions
diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c index 472f3f12484..a0231cd079f 100644 --- a/drivers/net/igb/e1000_mac.c +++ b/drivers/net/igb/e1000_mac.c @@ -37,20 +37,6 @@ static s32 igb_set_default_fc(struct e1000_hw *hw); static s32 igb_set_fc_watermarks(struct e1000_hw *hw); -static s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value) -{ - struct igb_adapter *adapter = hw->back; - u16 cap_offset; - - cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP); - if (!cap_offset) - return -E1000_ERR_CONFIG; - - pci_read_config_word(adapter->pdev, cap_offset + reg, value); - - return 0; -} - /** * igb_get_bus_info_pcie - Get PCIe bus information * @hw: pointer to the HW structure @@ -118,6 +104,31 @@ static void igb_write_vfta(struct e1000_hw *hw, u32 offset, u32 value) } /** + * igb_init_rx_addrs - Initialize receive address's + * @hw: pointer to the HW structure + * @rar_count: receive address registers + * + * Setups the receive address registers by setting the base receive address + * register to the devices MAC address and clearing all the other receive + * address registers to 0. + **/ +void igb_init_rx_addrs(struct e1000_hw *hw, u16 rar_count) +{ + u32 i; + u8 mac_addr[ETH_ALEN] = {0}; + + /* Setup the receive address */ + hw_dbg("Programming MAC Address into RAR[0]\n"); + + hw->mac.ops.rar_set(hw, hw->mac.addr, 0); + + /* Zero out the other (rar_entry_count - 1) receive addresses */ + hw_dbg("Clearing RAR[1-%u]\n", rar_count-1); + for (i = 1; i < rar_count; i++) + hw->mac.ops.rar_set(hw, mac_addr, i); +} + +/** * igb_vfta_set - enable or disable vlan in VLAN filter table * @hw: pointer to the HW structure * @vid: VLAN id to add or remove @@ -275,6 +286,41 @@ void igb_mta_set(struct e1000_hw *hw, u32 hash_value) } /** + * igb_update_mc_addr_list - Update Multicast addresses + * @hw: pointer to the HW structure + * @mc_addr_list: array of multicast addresses to program + * @mc_addr_count: number of multicast addresses to program + * + * Updates entire Multicast Table Array. + * The caller must have a packed mc_addr_list of multicast addresses. + **/ +void igb_update_mc_addr_list(struct e1000_hw *hw, + u8 *mc_addr_list, u32 mc_addr_count) +{ + u32 hash_value, hash_bit, hash_reg; + int i; + + /* clear mta_shadow */ + memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow)); + + /* update mta_shadow from mc_addr_list */ + for (i = 0; (u32) i < mc_addr_count; i++) { + hash_value = igb_hash_mc_addr(hw, mc_addr_list); + + hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1); + hash_bit = hash_value & 0x1F; + + hw->mac.mta_shadow[hash_reg] |= (1 << hash_bit); + mc_addr_list += (ETH_ALEN); + } + + /* replace the entire MTA table */ + for (i = hw->mac.mta_reg_count - 1; i >= 0; i--) + array_wr32(E1000_MTA, i, hw->mac.mta_shadow[i]); + wrfl(); +} + +/** * igb_hash_mc_addr - Generate a multicast hash value * @hw: pointer to the HW structure * @mc_addr: pointer to a multicast address @@ -490,18 +536,24 @@ s32 igb_setup_link(struct e1000_hw *hw) if (igb_check_reset_block(hw)) goto out; - ret_val = igb_set_default_fc(hw); - if (ret_val) - goto out; + /* + * If requested flow control is set to default, set flow control + * based on the EEPROM flow control settings. + */ + if (hw->fc.requested_mode == e1000_fc_default) { + ret_val = igb_set_default_fc(hw); + if (ret_val) + goto out; + } /* * We want to save off the original Flow Control configuration just * in case we get disconnected and then reconnected into a different * hub or switch with different Flow Control capabilities. */ - hw->fc.original_type = hw->fc.type; + hw->fc.current_mode = hw->fc.requested_mode; - hw_dbg("After fix-ups FlowControl is now = %x\n", hw->fc.type); + hw_dbg("After fix-ups FlowControl is now = %x\n", hw->fc.current_mode); /* Call the necessary media_type subroutine to configure the link. */ ret_val = hw->mac.ops.setup_physical_interface(hw); @@ -568,7 +620,7 @@ static s32 igb_set_fc_watermarks(struct e1000_hw *hw) * ability to transmit pause frames is not enabled, then these * registers will be set to 0. */ - if (hw->fc.type & e1000_fc_tx_pause) { + if (hw->fc.current_mode & e1000_fc_tx_pause) { /* * We need to set up the Receive Threshold high and low water * marks as well as (optionally) enabling the transmission of @@ -615,12 +667,12 @@ static s32 igb_set_default_fc(struct e1000_hw *hw) } if ((nvm_data & NVM_WORD0F_PAUSE_MASK) == 0) - hw->fc.type = e1000_fc_none; + hw->fc.requested_mode = e1000_fc_none; else if ((nvm_data & NVM_WORD0F_PAUSE_MASK) == NVM_WORD0F_ASM_DIR) - hw->fc.type = e1000_fc_tx_pause; + hw->fc.requested_mode = e1000_fc_tx_pause; else - hw->fc.type = e1000_fc_full; + hw->fc.requested_mode = e1000_fc_full; out: return ret_val; @@ -650,7 +702,7 @@ s32 igb_force_mac_fc(struct e1000_hw *hw) * receive flow control. * * The "Case" statement below enables/disable flow control - * according to the "hw->fc.type" parameter. + * according to the "hw->fc.current_mode" parameter. * * The possible values of the "fc" parameter are: * 0: Flow control is completely disabled @@ -661,9 +713,9 @@ s32 igb_force_mac_fc(struct e1000_hw *hw) * 3: Both Rx and TX flow control (symmetric) is enabled. * other: No other values should be possible at this point. */ - hw_dbg("hw->fc.type = %u\n", hw->fc.type); + hw_dbg("hw->fc.current_mode = %u\n", hw->fc.current_mode); - switch (hw->fc.type) { + switch (hw->fc.current_mode) { case e1000_fc_none: ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE)); break; @@ -713,8 +765,7 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw) * configuration of the MAC to match the "fc" parameter. */ if (mac->autoneg_failed) { - if (hw->phy.media_type == e1000_media_type_fiber || - hw->phy.media_type == e1000_media_type_internal_serdes) + if (hw->phy.media_type == e1000_media_type_internal_serdes) ret_val = igb_force_mac_fc(hw); } else { if (hw->phy.media_type == e1000_media_type_copper) @@ -812,11 +863,11 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw) * ONLY. Hence, we must now check to see if we need to * turn OFF the TRANSMISSION of PAUSE frames. */ - if (hw->fc.original_type == e1000_fc_full) { - hw->fc.type = e1000_fc_full; + if (hw->fc.requested_mode == e1000_fc_full) { + hw->fc.current_mode = e1000_fc_full; hw_dbg("Flow Control = FULL.\r\n"); } else { - hw->fc.type = e1000_fc_rx_pause; + hw->fc.current_mode = e1000_fc_rx_pause; hw_dbg("Flow Control = " "RX PAUSE frames only.\r\n"); } @@ -833,7 +884,7 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw) (mii_nway_adv_reg & NWAY_AR_ASM_DIR) && (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) && (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) { - hw->fc.type = e1000_fc_tx_pause; + hw->fc.current_mode = e1000_fc_tx_pause; hw_dbg("Flow Control = TX PAUSE frames only.\r\n"); } /* @@ -848,7 +899,7 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw) (mii_nway_adv_reg & NWAY_AR_ASM_DIR) && !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) && (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) { - hw->fc.type = e1000_fc_rx_pause; + hw->fc.current_mode = e1000_fc_rx_pause; hw_dbg("Flow Control = RX PAUSE frames only.\r\n"); } /* @@ -872,13 +923,13 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw) * be asked to delay transmission of packets than asking * our link partner to pause transmission of frames. */ - else if ((hw->fc.original_type == e1000_fc_none || - hw->fc.original_type == e1000_fc_tx_pause) || + else if ((hw->fc.requested_mode == e1000_fc_none || + hw->fc.requested_mode == e1000_fc_tx_pause) || hw->fc.strict_ieee) { - hw->fc.type = e1000_fc_none; + hw->fc.current_mode = e1000_fc_none; hw_dbg("Flow Control = NONE.\r\n"); } else { - hw->fc.type = e1000_fc_rx_pause; + hw->fc.current_mode = e1000_fc_rx_pause; hw_dbg("Flow Control = RX PAUSE frames only.\r\n"); } @@ -894,7 +945,7 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw) } if (duplex == HALF_DUPLEX) - hw->fc.type = e1000_fc_none; + hw->fc.current_mode = e1000_fc_none; /* * Now we call a subroutine to actually force the MAC @@ -1065,9 +1116,17 @@ static s32 igb_valid_led_default(struct e1000_hw *hw, u16 *data) goto out; } - if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) - *data = ID_LED_DEFAULT; - + if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) { + switch(hw->phy.media_type) { + case e1000_media_type_internal_serdes: + *data = ID_LED_DEFAULT_82575_SERDES; + break; + case e1000_media_type_copper: + default: + *data = ID_LED_DEFAULT; + break; + } + } out: return ret_val; } @@ -1161,22 +1220,16 @@ s32 igb_blink_led(struct e1000_hw *hw) u32 ledctl_blink = 0; u32 i; - if (hw->phy.media_type == e1000_media_type_fiber) { - /* always blink LED0 for PCI-E fiber */ - ledctl_blink = E1000_LEDCTL_LED0_BLINK | - (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED0_MODE_SHIFT); - } else { - /* - * set the blink bit for each LED that's "on" (0x0E) - * in ledctl_mode2 - */ - ledctl_blink = hw->mac.ledctl_mode2; - for (i = 0; i < 4; i++) - if (((hw->mac.ledctl_mode2 >> (i * 8)) & 0xFF) == - E1000_LEDCTL_MODE_LED_ON) - ledctl_blink |= (E1000_LEDCTL_LED0_BLINK << - (i * 8)); - } + /* + * set the blink bit for each LED that's "on" (0x0E) + * in ledctl_mode2 + */ + ledctl_blink = hw->mac.ledctl_mode2; + for (i = 0; i < 4; i++) + if (((hw->mac.ledctl_mode2 >> (i * 8)) & 0xFF) == + E1000_LEDCTL_MODE_LED_ON) + ledctl_blink |= (E1000_LEDCTL_LED0_BLINK << + (i * 8)); wr32(E1000_LEDCTL, ledctl_blink); @@ -1191,15 +1244,7 @@ s32 igb_blink_led(struct e1000_hw *hw) **/ s32 igb_led_off(struct e1000_hw *hw) { - u32 ctrl; - switch (hw->phy.media_type) { - case e1000_media_type_fiber: - ctrl = rd32(E1000_CTRL); - ctrl |= E1000_CTRL_SWDPIN0; - ctrl |= E1000_CTRL_SWDPIO0; - wr32(E1000_CTRL, ctrl); - break; case e1000_media_type_copper: wr32(E1000_LEDCTL, hw->mac.ledctl_mode1); break; |