diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/e1000e/82571.c | 33 | ||||
| -rw-r--r-- | drivers/net/e1000e/defines.h | 2 | ||||
| -rw-r--r-- | drivers/net/e1000e/e1000.h | 11 | ||||
| -rw-r--r-- | drivers/net/e1000e/es2lan.c | 28 | ||||
| -rw-r--r-- | drivers/net/e1000e/hw.h | 5 | ||||
| -rw-r--r-- | drivers/net/e1000e/lib.c | 124 | ||||
| -rw-r--r-- | drivers/net/e1000e/netdev.c | 2 |
7 files changed, 147 insertions, 58 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index 02d67d047d96..d1a45143c2aa 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -922,9 +922,12 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw) ew32(IMC, 0xffffffff); icr = er32(ICR); - if (hw->mac.type == e1000_82571 && - hw->dev_spec.e82571.alt_mac_addr_is_present) - e1000e_set_laa_state_82571(hw, true); + /* Install any alternate MAC address into RAR0 */ + ret_val = e1000_check_alt_mac_addr_generic(hw); + if (ret_val) + return ret_val; + + e1000e_set_laa_state_82571(hw, true); /* Reinitialize the 82571 serdes link state machine */ if (hw->phy.media_type == e1000_media_type_internal_serdes) @@ -1621,6 +1624,29 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw) } /** + * e1000_read_mac_addr_82571 - Read device MAC address + * @hw: pointer to the HW structure + **/ +static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw) +{ + s32 ret_val = 0; + + /* + * If there's an alternate MAC address place it in RAR0 + * so that it will override the Si installed default perm + * address. + */ + ret_val = e1000_check_alt_mac_addr_generic(hw); + if (ret_val) + goto out; + + ret_val = e1000_read_mac_addr_generic(hw); + +out: + return ret_val; +} + +/** * e1000_power_down_phy_copper_82571 - Remove link during PHY power down * @hw: pointer to the HW structure * @@ -1706,6 +1732,7 @@ static struct e1000_mac_operations e82571_mac_ops = { .setup_link = e1000_setup_link_82571, /* .setup_physical_interface: media type dependent */ .setup_led = e1000e_setup_led_generic, + .read_mac_addr = e1000_read_mac_addr_82571, }; static struct e1000_phy_operations e82_phy_ops_igp = { diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index e02e38221ed4..db05ec355749 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -460,6 +460,8 @@ */ #define E1000_RAR_ENTRIES 15 #define E1000_RAH_AV 0x80000000 /* Receive descriptor valid */ +#define E1000_RAL_MAC_ADDR_LEN 4 +#define E1000_RAH_MAC_ADDR_LEN 2 /* Error Codes */ #define E1000_ERR_NVM 1 diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index cebbd9079d53..7c91e4bdd361 100644 --- a/drivers/net/e1000e/e1000.h +++ b/drivers/net/e1000e/e1000.h @@ -529,6 +529,7 @@ extern s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw); extern s32 e1000e_force_mac_fc(struct e1000_hw *hw); extern s32 e1000e_blink_led(struct e1000_hw *hw); extern void e1000_write_vfta_generic(struct e1000_hw *hw, u32 offset, u32 value); +extern s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw); extern void e1000e_reset_adaptive(struct e1000_hw *hw); extern void e1000e_update_adaptive(struct e1000_hw *hw); @@ -629,7 +630,15 @@ extern s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 extern s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw); extern void e1000e_release_nvm(struct e1000_hw *hw); extern void e1000e_reload_nvm(struct e1000_hw *hw); -extern s32 e1000e_read_mac_addr(struct e1000_hw *hw); +extern s32 e1000_read_mac_addr_generic(struct e1000_hw *hw); + +static inline s32 e1000e_read_mac_addr(struct e1000_hw *hw) +{ + if (hw->mac.ops.read_mac_addr) + return hw->mac.ops.read_mac_addr(hw); + + return e1000_read_mac_addr_generic(hw); +} static inline s32 e1000_validate_nvm_checksum(struct e1000_hw *hw) { diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c index e2aa3b788564..4bb9d88ad976 100644 --- a/drivers/net/e1000e/es2lan.c +++ b/drivers/net/e1000e/es2lan.c @@ -814,7 +814,9 @@ static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw) ew32(IMC, 0xffffffff); icr = er32(ICR); - return 0; + ret_val = e1000_check_alt_mac_addr_generic(hw); + + return ret_val; } /** @@ -1340,6 +1342,29 @@ static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset, } /** + * e1000_read_mac_addr_80003es2lan - Read device MAC address + * @hw: pointer to the HW structure + **/ +static s32 e1000_read_mac_addr_80003es2lan(struct e1000_hw *hw) +{ + s32 ret_val = 0; + + /* + * If there's an alternate MAC address place it in RAR0 + * so that it will override the Si installed default perm + * address. + */ + ret_val = e1000_check_alt_mac_addr_generic(hw); + if (ret_val) + goto out; + + ret_val = e1000_read_mac_addr_generic(hw); + +out: + return ret_val; +} + +/** * e1000_power_down_phy_copper_80003es2lan - Remove link during PHY power down * @hw: pointer to the HW structure * @@ -1403,6 +1428,7 @@ static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw *hw) } static struct e1000_mac_operations es2_mac_ops = { + .read_mac_addr = e1000_read_mac_addr_80003es2lan, .id_led_init = e1000e_id_led_init, .check_mng_mode = e1000e_check_mng_mode_generic, /* check_for_link dependent on media type */ diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h index eccf29b75c41..127e6a226da1 100644 --- a/drivers/net/e1000e/hw.h +++ b/drivers/net/e1000e/hw.h @@ -389,6 +389,9 @@ enum e1e_registers { #define E1000_FUNC_1 1 +#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0 0 +#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1 3 + enum e1000_mac_type { e1000_82571, e1000_82572, @@ -756,6 +759,7 @@ struct e1000_mac_operations { s32 (*setup_physical_interface)(struct e1000_hw *); s32 (*setup_led)(struct e1000_hw *); void (*write_vfta)(struct e1000_hw *, u32, u32); + s32 (*read_mac_addr)(struct e1000_hw *); }; /* Function pointers for the PHY. */ @@ -897,7 +901,6 @@ struct e1000_fc_info { struct e1000_dev_spec_82571 { bool laa_is_present; - bool alt_mac_addr_is_present; u32 smb_counter; }; diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c index 2fa9b36a2c5a..547542428edc 100644 --- a/drivers/net/e1000e/lib.c +++ b/drivers/net/e1000e/lib.c @@ -139,6 +139,68 @@ void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count) } /** + * e1000_check_alt_mac_addr_generic - Check for alternate MAC addr + * @hw: pointer to the HW structure + * + * Checks the nvm for an alternate MAC address. An alternate MAC address + * can be setup by pre-boot software and must be treated like a permanent + * address and must override the actual permanent MAC address. If an + * alternate MAC address is found it is programmed into RAR0, replacing + * the permanent address that was installed into RAR0 by the Si on reset. + * This function will return SUCCESS unless it encounters an error while + * reading the EEPROM. + **/ +s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw) +{ + u32 i; + s32 ret_val = 0; + u16 offset, nvm_alt_mac_addr_offset, nvm_data; + u8 alt_mac_addr[ETH_ALEN]; + + ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1, + &nvm_alt_mac_addr_offset); + if (ret_val) { + e_dbg("NVM Read Error\n"); + goto out; + } + + if (nvm_alt_mac_addr_offset == 0xFFFF) { + /* There is no Alternate MAC Address */ + goto out; + } + + if (hw->bus.func == E1000_FUNC_1) + nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1; + for (i = 0; i < ETH_ALEN; i += 2) { + offset = nvm_alt_mac_addr_offset + (i >> 1); + ret_val = e1000_read_nvm(hw, offset, 1, &nvm_data); + if (ret_val) { + e_dbg("NVM Read Error\n"); + goto out; + } + + alt_mac_addr[i] = (u8)(nvm_data & 0xFF); + alt_mac_addr[i + 1] = (u8)(nvm_data >> 8); + } + + /* if multicast bit is set, the alternate address will not be used */ + if (alt_mac_addr[0] & 0x01) { + e_dbg("Ignoring Alternate Mac Address with MC bit set\n"); + goto out; + } + + /* + * We have a valid alternate MAC address, and we want to treat it the + * same as the normal permanent MAC address stored by the HW into the + * RAR. Do this by mapping this address into RAR0. + */ + e1000e_rar_set(hw, alt_mac_addr, 0); + +out: + return ret_val; +} + +/** * e1000e_rar_set - Set receive address register * @hw: pointer to the HW structure * @addr: pointer to the receive address @@ -2072,67 +2134,27 @@ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) } /** - * e1000e_read_mac_addr - Read device MAC address + * e1000_read_mac_addr_generic - Read device MAC address * @hw: pointer to the HW structure * * Reads the device MAC address from the EEPROM and stores the value. * Since devices with two ports use the same EEPROM, we increment the * last bit in the MAC address for the second port. **/ -s32 e1000e_read_mac_addr(struct e1000_hw *hw) +s32 e1000_read_mac_addr_generic(struct e1000_hw *hw) { - s32 ret_val; - u16 offset, nvm_data, i; - u16 mac_addr_offset = 0; - - if (hw->mac.type == e1000_82571) { - /* Check for an alternate MAC address. An alternate MAC - * address can be setup by pre-boot software and must be - * treated like a permanent address and must override the - * actual permanent MAC address.*/ - ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1, - &mac_addr_offset); - if (ret_val) { - e_dbg("NVM Read Error\n"); - return ret_val; - } - if (mac_addr_offset == 0xFFFF) - mac_addr_offset = 0; - - if (mac_addr_offset) { - if (hw->bus.func == E1000_FUNC_1) - mac_addr_offset += ETH_ALEN/sizeof(u16); - - /* make sure we have a valid mac address here - * before using it */ - ret_val = e1000_read_nvm(hw, mac_addr_offset, 1, - &nvm_data); - if (ret_val) { - e_dbg("NVM Read Error\n"); - return ret_val; - } - if (nvm_data & 0x0001) - mac_addr_offset = 0; - } + u32 rar_high; + u32 rar_low; + u16 i; - if (mac_addr_offset) - hw->dev_spec.e82571.alt_mac_addr_is_present = 1; - } + rar_high = er32(RAH(0)); + rar_low = er32(RAL(0)); - for (i = 0; i < ETH_ALEN; i += 2) { - offset = mac_addr_offset + (i >> 1); - ret_val = e1000_read_nvm(hw, offset, 1, &nvm_data); - if (ret_val) { - e_dbg("NVM Read Error\n"); - return ret_val; - } - hw->mac.perm_addr[i] = (u8)(nvm_data & 0xFF); - hw->mac.perm_addr[i+1] = (u8)(nvm_data >> 8); - } + for (i = 0; i < E1000_RAL_MAC_ADDR_LEN; i++) + hw->mac.perm_addr[i] = (u8)(rar_low >> (i*8)); - /* Flip last bit of mac address if we're on second port */ - if (!mac_addr_offset && hw->bus.func == E1000_FUNC_1) - hw->mac.perm_addr[5] ^= 1; + for (i = 0; i < E1000_RAH_MAC_ADDR_LEN; i++) + hw->mac.perm_addr[i+4] = (u8)(rar_high >> (i*8)); for (i = 0; i < ETH_ALEN; i++) hw->mac.addr[i] = hw->mac.perm_addr[i]; diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index c3745c9d21aa..0d5ef4c5c6db 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -5135,7 +5135,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev, e1000_eeprom_checks(adapter); - /* copy the MAC address out of the NVM */ + /* copy the MAC address */ if (e1000e_read_mac_addr(&adapter->hw)) e_err("NVM Read Error while reading MAC address\n"); |