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ixgbe: Refactor common code between 82598 & 82599 to accommodate new hardware

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Some of the following MAC functions are moved from 82598 & 82599 specific
hardware files to common.[ch] to accommodate new silicon changes. Also
fixed some white space issues
 * get_san_mac_addr, check_link, set_vmdq, clear_vmdq, clear_vfta,
 * set_vfta, fc_enable, init_uta_tables

Signed-off-by:  Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mallikarjuna R Chilakala 2010-05-13 17:33:41 +00:00 committed by David S. Miller
parent e8171aaad7
commit 21ce849ba5
5 changed files with 557 additions and 421 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/ixgbe/ixgbe_82598.c
View File

@ -42,9 +42,9 @@ static s32 ixgbe_get_copper_link_capabilities_82598(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *autoneg);
static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
bool autoneg,
bool autoneg_wait_to_complete);
ixgbe_link_speed speed,
bool autoneg,
bool autoneg_wait_to_complete);
static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
u8 *eeprom_data);
@ -1221,7 +1221,7 @@ static struct ixgbe_mac_operations mac_ops_82598 = {
static struct ixgbe_eeprom_operations eeprom_ops_82598 = {
.init_params = &ixgbe_init_eeprom_params_generic,
.read = &ixgbe_read_eeprom_generic,
.read = &ixgbe_read_eerd_generic,
.validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
.update_checksum = &ixgbe_update_eeprom_checksum_generic,
};

403
drivers/net/ixgbe/ixgbe_82599.c
View File

@ -133,27 +133,6 @@ setup_sfp_out:
return ret_val;
}
/**
* ixgbe_get_pcie_msix_count_82599 - Gets MSI-X vector count
* @hw: pointer to hardware structure
*
* Read PCIe configuration space, and get the MSI-X vector count from
* the capabilities table.
**/
static u32 ixgbe_get_pcie_msix_count_82599(struct ixgbe_hw *hw)
{
struct ixgbe_adapter *adapter = hw->back;
u16 msix_count;
pci_read_config_word(adapter->pdev, IXGBE_PCIE_MSIX_82599_CAPS,
&msix_count);
msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK;
/* MSI-X count is zero-based in HW, so increment to give proper value */
msix_count++;
return msix_count;
}
static s32 ixgbe_get_invariants_82599(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
@ -165,7 +144,7 @@ static s32 ixgbe_get_invariants_82599(struct ixgbe_hw *hw)
mac->num_rar_entries = IXGBE_82599_RAR_ENTRIES;
mac->max_rx_queues = IXGBE_82599_MAX_RX_QUEUES;
mac->max_tx_queues = IXGBE_82599_MAX_TX_QUEUES;
mac->max_msix_vectors = ixgbe_get_pcie_msix_count_82599(hw);
mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw);
return 0;
}
@ -734,60 +713,6 @@ out:
return status;
}
/**
* ixgbe_check_mac_link_82599 - Determine link and speed status
* @hw: pointer to hardware structure
* @speed: pointer to link speed
* @link_up: true when link is up
* @link_up_wait_to_complete: bool used to wait for link up or not
*
* Reads the links register to determine if link is up and the current speed
**/
static s32 ixgbe_check_mac_link_82599(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *link_up,
bool link_up_wait_to_complete)
{
u32 links_reg;
u32 i;
links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
if (link_up_wait_to_complete) {
for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
if (links_reg & IXGBE_LINKS_UP) {
*link_up = true;
break;
} else {
*link_up = false;
}
msleep(100);
links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
}
} else {
if (links_reg & IXGBE_LINKS_UP)
*link_up = true;
else
*link_up = false;
}
if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
IXGBE_LINKS_SPEED_10G_82599)
*speed = IXGBE_LINK_SPEED_10GB_FULL;
else if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
IXGBE_LINKS_SPEED_1G_82599)
*speed = IXGBE_LINK_SPEED_1GB_FULL;
else
*speed = IXGBE_LINK_SPEED_100_FULL;
/* if link is down, zero out the current_mode */
if (*link_up == false) {
hw->fc.current_mode = ixgbe_fc_none;
hw->fc.fc_was_autonegged = false;
}
return 0;
}
/**
* ixgbe_setup_mac_link_82599 - Set MAC link speed
* @hw: pointer to hardware structure
@ -1049,243 +974,6 @@ reset_hw_out:
return status;
}
/**
* ixgbe_clear_vmdq_82599 - Disassociate a VMDq pool index from a rx address
* @hw: pointer to hardware struct
* @rar: receive address register index to disassociate
* @vmdq: VMDq pool index to remove from the rar
**/
static s32 ixgbe_clear_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
{
u32 mpsar_lo, mpsar_hi;
u32 rar_entries = hw->mac.num_rar_entries;
if (rar < rar_entries) {
mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
if (!mpsar_lo && !mpsar_hi)
goto done;
if (vmdq == IXGBE_CLEAR_VMDQ_ALL) {
if (mpsar_lo) {
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0);
mpsar_lo = 0;
}
if (mpsar_hi) {
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0);
mpsar_hi = 0;
}
} else if (vmdq < 32) {
mpsar_lo &= ~(1 << vmdq);
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar_lo);
} else {
mpsar_hi &= ~(1 << (vmdq - 32));
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar_hi);
}
/* was that the last pool using this rar? */
if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0)
hw->mac.ops.clear_rar(hw, rar);
} else {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
}
done:
return 0;
}
/**
* ixgbe_set_vmdq_82599 - Associate a VMDq pool index with a rx address
* @hw: pointer to hardware struct
* @rar: receive address register index to associate with a VMDq index
* @vmdq: VMDq pool index
**/
static s32 ixgbe_set_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
{
u32 mpsar;
u32 rar_entries = hw->mac.num_rar_entries;
if (rar < rar_entries) {
if (vmdq < 32) {
mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
mpsar |= 1 << vmdq;
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar);
} else {
mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
mpsar |= 1 << (vmdq - 32);
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar);
}
} else {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
}
return 0;
}
/**
* ixgbe_set_vfta_82599 - Set VLAN filter table
* @hw: pointer to hardware structure
* @vlan: VLAN id to write to VLAN filter
* @vind: VMDq output index that maps queue to VLAN id in VFVFB
* @vlan_on: boolean flag to turn on/off VLAN in VFVF
*
* Turn on/off specified VLAN in the VLAN filter table.
**/
static s32 ixgbe_set_vfta_82599(struct ixgbe_hw *hw, u32 vlan, u32 vind,
bool vlan_on)
{
u32 regindex;
u32 vlvf_index;
u32 bitindex;
u32 bits;
u32 first_empty_slot;
u32 vt_ctl;
if (vlan > 4095)
return IXGBE_ERR_PARAM;
/*
* this is a 2 part operation - first the VFTA, then the
* VLVF and VLVFB if vind is set
*/
/* Part 1
* The VFTA is a bitstring made up of 128 32-bit registers
* that enable the particular VLAN id, much like the MTA:
* bits[11-5]: which register
* bits[4-0]: which bit in the register
*/
regindex = (vlan >> 5) & 0x7F;
bitindex = vlan & 0x1F;
bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
if (vlan_on)
bits |= (1 << bitindex);
else
bits &= ~(1 << bitindex);
IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
/* Part 2
* If VT mode is set
* Either vlan_on
* make sure the vlan is in VLVF
* set the vind bit in the matching VLVFB
* Or !vlan_on
* clear the pool bit and possibly the vind
*/
vt_ctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL);
if (!(vt_ctl & IXGBE_VT_CTL_VT_ENABLE))
goto out;
/* find the vlanid or the first empty slot */
first_empty_slot = 0;
for (vlvf_index = 1; vlvf_index < IXGBE_VLVF_ENTRIES; vlvf_index++) {
bits = IXGBE_READ_REG(hw, IXGBE_VLVF(vlvf_index));
if (!bits && !first_empty_slot)
first_empty_slot = vlvf_index;
else if ((bits & 0x0FFF) == vlan)
break;
}
if (vlvf_index >= IXGBE_VLVF_ENTRIES) {
if (first_empty_slot)
vlvf_index = first_empty_slot;
else {
hw_dbg(hw, "No space in VLVF.\n");
goto out;
}
}
if (vlan_on) {
/* set the pool bit */
if (vind < 32) {
bits = IXGBE_READ_REG(hw,
IXGBE_VLVFB(vlvf_index * 2));
bits |= (1 << vind);
IXGBE_WRITE_REG(hw,
IXGBE_VLVFB(vlvf_index * 2), bits);
} else {
bits = IXGBE_READ_REG(hw,
IXGBE_VLVFB((vlvf_index * 2) + 1));
bits |= (1 << (vind - 32));
IXGBE_WRITE_REG(hw,
IXGBE_VLVFB((vlvf_index * 2) + 1), bits);
}
} else {
/* clear the pool bit */
if (vind < 32) {
bits = IXGBE_READ_REG(hw,
IXGBE_VLVFB(vlvf_index * 2));
bits &= ~(1 << vind);
IXGBE_WRITE_REG(hw,
IXGBE_VLVFB(vlvf_index * 2), bits);
bits |= IXGBE_READ_REG(hw,
IXGBE_VLVFB((vlvf_index * 2) + 1));
} else {
bits = IXGBE_READ_REG(hw,
IXGBE_VLVFB((vlvf_index * 2) + 1));
bits &= ~(1 << (vind - 32));
IXGBE_WRITE_REG(hw,
IXGBE_VLVFB((vlvf_index * 2) + 1), bits);
bits |= IXGBE_READ_REG(hw,
IXGBE_VLVFB(vlvf_index * 2));
}
}
if (bits) {
IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index),
(IXGBE_VLVF_VIEN | vlan));
/* if bits is non-zero then some pools/VFs are still
* using this VLAN ID. Force the VFTA entry to on */
bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
bits |= (1 << bitindex);
IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
}
else
IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index), 0);
out:
return 0;
}
/**
* ixgbe_clear_vfta_82599 - Clear VLAN filter table
* @hw: pointer to hardware structure
*
* Clears the VLAN filer table, and the VMDq index associated with the filter
**/
static s32 ixgbe_clear_vfta_82599(struct ixgbe_hw *hw)
{
u32 offset;
for (offset = 0; offset < hw->mac.vft_size; offset++)
IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
for (offset = 0; offset < IXGBE_VLVF_ENTRIES; offset++) {
IXGBE_WRITE_REG(hw, IXGBE_VLVF(offset), 0);
IXGBE_WRITE_REG(hw, IXGBE_VLVFB(offset * 2), 0);
IXGBE_WRITE_REG(hw, IXGBE_VLVFB((offset * 2) + 1), 0);
}
return 0;
}
/**
* ixgbe_init_uta_tables_82599 - Initialize the Unicast Table Array
* @hw: pointer to hardware structure
**/
static s32 ixgbe_init_uta_tables_82599(struct ixgbe_hw *hw)
{
int i;
hw_dbg(hw, " Clearing UTA\n");
for (i = 0; i < 128; i++)
IXGBE_WRITE_REG(hw, IXGBE_UTA(i), 0);
return 0;
}
/**
* ixgbe_reinit_fdir_tables_82599 - Reinitialize Flow Director tables.
* @hw: pointer to hardware structure
@ -2549,75 +2237,6 @@ static s32 ixgbe_get_device_caps_82599(struct ixgbe_hw *hw, u16 *device_caps)
return 0;
}
/**
* ixgbe_get_san_mac_addr_offset_82599 - SAN MAC address offset for 82599
* @hw: pointer to hardware structure
* @san_mac_offset: SAN MAC address offset
*
* This function will read the EEPROM location for the SAN MAC address
* pointer, and returns the value at that location. This is used in both
* get and set mac_addr routines.
**/
static s32 ixgbe_get_san_mac_addr_offset_82599(struct ixgbe_hw *hw,
u16 *san_mac_offset)
{
/*
* First read the EEPROM pointer to see if the MAC addresses are
* available.
*/
hw->eeprom.ops.read(hw, IXGBE_SAN_MAC_ADDR_PTR, san_mac_offset);
return 0;
}
/**
* ixgbe_get_san_mac_addr_82599 - SAN MAC address retrieval for 82599
* @hw: pointer to hardware structure
* @san_mac_addr: SAN MAC address
*
* Reads the SAN MAC address from the EEPROM, if it's available. This is
* per-port, so set_lan_id() must be called before reading the addresses.
* set_lan_id() is called by identify_sfp(), but this cannot be relied
* upon for non-SFP connections, so we must call it here.
**/
static s32 ixgbe_get_san_mac_addr_82599(struct ixgbe_hw *hw, u8 *san_mac_addr)
{
u16 san_mac_data, san_mac_offset;
u8 i;
/*
* First read the EEPROM pointer to see if the MAC addresses are
* available. If they're not, no point in calling set_lan_id() here.
*/
ixgbe_get_san_mac_addr_offset_82599(hw, &san_mac_offset);
if ((san_mac_offset == 0) || (san_mac_offset == 0xFFFF)) {
/*
* No addresses available in this EEPROM. It's not an
* error though, so just wipe the local address and return.
*/
for (i = 0; i < 6; i++)
san_mac_addr[i] = 0xFF;
goto san_mac_addr_out;
}
/* make sure we know which port we need to program */
hw->mac.ops.set_lan_id(hw);
/* apply the port offset to the address offset */
(hw->bus.func) ? (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT1_OFFSET) :
(san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
for (i = 0; i < 3; i++) {
hw->eeprom.ops.read(hw, san_mac_offset, &san_mac_data);
san_mac_addr[i * 2] = (u8)(san_mac_data);
san_mac_addr[i * 2 + 1] = (u8)(san_mac_data >> 8);
san_mac_offset++;
}
san_mac_addr_out:
return 0;
}
/**
* ixgbe_verify_fw_version_82599 - verify fw version for 82599
* @hw: pointer to hardware structure
@ -2720,7 +2339,7 @@ static struct ixgbe_mac_operations mac_ops_82599 = {
.get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82599,
.enable_rx_dma = &ixgbe_enable_rx_dma_82599,
.get_mac_addr = &ixgbe_get_mac_addr_generic,
.get_san_mac_addr = &ixgbe_get_san_mac_addr_82599,
.get_san_mac_addr = &ixgbe_get_san_mac_addr_generic,
.get_device_caps = &ixgbe_get_device_caps_82599,
.get_wwn_prefix = &ixgbe_get_wwn_prefix_82599,
.stop_adapter = &ixgbe_stop_adapter_generic,
@ -2729,7 +2348,7 @@ static struct ixgbe_mac_operations mac_ops_82599 = {
.read_analog_reg8 = &ixgbe_read_analog_reg8_82599,
.write_analog_reg8 = &ixgbe_write_analog_reg8_82599,
.setup_link = &ixgbe_setup_mac_link_82599,
.check_link = &ixgbe_check_mac_link_82599,
.check_link = &ixgbe_check_mac_link_generic,
.get_link_capabilities = &ixgbe_get_link_capabilities_82599,
.led_on = &ixgbe_led_on_generic,
.led_off = &ixgbe_led_off_generic,
@ -2737,23 +2356,23 @@ static struct ixgbe_mac_operations mac_ops_82599 = {
.blink_led_stop = &ixgbe_blink_led_stop_generic,
.set_rar = &ixgbe_set_rar_generic,
.clear_rar = &ixgbe_clear_rar_generic,
.set_vmdq = &ixgbe_set_vmdq_82599,
.clear_vmdq = &ixgbe_clear_vmdq_82599,
.set_vmdq = &ixgbe_set_vmdq_generic,
.clear_vmdq = &ixgbe_clear_vmdq_generic,
.init_rx_addrs = &ixgbe_init_rx_addrs_generic,
.update_uc_addr_list = &ixgbe_update_uc_addr_list_generic,
.update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,
.enable_mc = &ixgbe_enable_mc_generic,
.disable_mc = &ixgbe_disable_mc_generic,
.clear_vfta = &ixgbe_clear_vfta_82599,
.set_vfta = &ixgbe_set_vfta_82599,
.fc_enable = &ixgbe_fc_enable_generic,
.init_uta_tables = &ixgbe_init_uta_tables_82599,
.clear_vfta = &ixgbe_clear_vfta_generic,
.set_vfta = &ixgbe_set_vfta_generic,
.fc_enable = &ixgbe_fc_enable_generic,
.init_uta_tables = &ixgbe_init_uta_tables_generic,
.setup_sfp = &ixgbe_setup_sfp_modules_82599,
};
static struct ixgbe_eeprom_operations eeprom_ops_82599 = {
.init_params = &ixgbe_init_eeprom_params_generic,
.read = &ixgbe_read_eeprom_generic,
.read = &ixgbe_read_eerd_generic,
.write = &ixgbe_write_eeprom_generic,
.validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
.update_checksum = &ixgbe_update_eeprom_checksum_generic,
@ -2762,7 +2381,7 @@ static struct ixgbe_eeprom_operations eeprom_ops_82599 = {
static struct ixgbe_phy_operations phy_ops_82599 = {
.identify = &ixgbe_identify_phy_82599,
.identify_sfp = &ixgbe_identify_sfp_module_generic,
.init = &ixgbe_init_phy_ops_82599,
.init = &ixgbe_init_phy_ops_82599,
.reset = &ixgbe_reset_phy_generic,
.read_reg = &ixgbe_read_phy_reg_generic,
.write_reg = &ixgbe_write_phy_reg_generic,

518
drivers/net/ixgbe/ixgbe_common.c
View File

@ -34,7 +34,6 @@
#include "ixgbe_common.h"
#include "ixgbe_phy.h"
static s32 ixgbe_poll_eeprom_eerd_done(struct ixgbe_hw *hw);
static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw);
static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw);
static void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw);
@ -595,14 +594,14 @@ out:
}
/**
* ixgbe_read_eeprom_generic - Read EEPROM word using EERD
* ixgbe_read_eerd_generic - Read EEPROM word using EERD
* @hw: pointer to hardware structure
* @offset: offset of word in the EEPROM to read
* @data: word read from the EEPROM
*
* Reads a 16 bit word from the EEPROM using the EERD register.
**/
s32 ixgbe_read_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 *data)
s32 ixgbe_read_eerd_generic(struct ixgbe_hw *hw, u16 offset, u16 *data)
{
u32 eerd;
s32 status;
@ -614,15 +613,15 @@ s32 ixgbe_read_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 *data)
goto out;
}
eerd = (offset << IXGBE_EEPROM_READ_ADDR_SHIFT) +
IXGBE_EEPROM_READ_REG_START;
eerd = (offset << IXGBE_EEPROM_RW_ADDR_SHIFT) +
IXGBE_EEPROM_RW_REG_START;
IXGBE_WRITE_REG(hw, IXGBE_EERD, eerd);
status = ixgbe_poll_eeprom_eerd_done(hw);
status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_READ);
if (status == 0)
*data = (IXGBE_READ_REG(hw, IXGBE_EERD) >>
IXGBE_EEPROM_READ_REG_DATA);
IXGBE_EEPROM_RW_REG_DATA);
else
hw_dbg(hw, "Eeprom read timed out\n");
@ -631,20 +630,26 @@ out:
}
/**
* ixgbe_poll_eeprom_eerd_done - Poll EERD status
* ixgbe_poll_eerd_eewr_done - Poll EERD read or EEWR write status
* @hw: pointer to hardware structure
* @ee_reg: EEPROM flag for polling
*
* Polls the status bit (bit 1) of the EERD to determine when the read is done.
* Polls the status bit (bit 1) of the EERD or EEWR to determine when the
* read or write is done respectively.
**/
static s32 ixgbe_poll_eeprom_eerd_done(struct ixgbe_hw *hw)
s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg)
{
u32 i;
u32 reg;
s32 status = IXGBE_ERR_EEPROM;
for (i = 0; i < IXGBE_EERD_ATTEMPTS; i++) {
reg = IXGBE_READ_REG(hw, IXGBE_EERD);
if (reg & IXGBE_EEPROM_READ_REG_DONE) {
for (i = 0; i < IXGBE_EERD_EEWR_ATTEMPTS; i++) {
if (ee_reg == IXGBE_NVM_POLL_READ)
reg = IXGBE_READ_REG(hw, IXGBE_EERD);
else
reg = IXGBE_READ_REG(hw, IXGBE_EEWR);
if (reg & IXGBE_EEPROM_RW_REG_DONE) {
status = 0;
break;
}
@ -2255,3 +2260,490 @@ s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index)
return 0;
}
/**
* ixgbe_get_san_mac_addr_offset - Get SAN MAC address offset from the EEPROM
* @hw: pointer to hardware structure
* @san_mac_offset: SAN MAC address offset
*
* This function will read the EEPROM location for the SAN MAC address
* pointer, and returns the value at that location. This is used in both
* get and set mac_addr routines.
**/
static s32 ixgbe_get_san_mac_addr_offset(struct ixgbe_hw *hw,
u16 *san_mac_offset)
{
/*
* First read the EEPROM pointer to see if the MAC addresses are
* available.
*/
hw->eeprom.ops.read(hw, IXGBE_SAN_MAC_ADDR_PTR, san_mac_offset);
return 0;
}
/**
* ixgbe_get_san_mac_addr_generic - SAN MAC address retrieval from the EEPROM
* @hw: pointer to hardware structure
* @san_mac_addr: SAN MAC address
*
* Reads the SAN MAC address from the EEPROM, if it's available. This is
* per-port, so set_lan_id() must be called before reading the addresses.
* set_lan_id() is called by identify_sfp(), but this cannot be relied
* upon for non-SFP connections, so we must call it here.
**/
s32 ixgbe_get_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr)
{
u16 san_mac_data, san_mac_offset;
u8 i;
/*
* First read the EEPROM pointer to see if the MAC addresses are
* available. If they're not, no point in calling set_lan_id() here.
*/
ixgbe_get_san_mac_addr_offset(hw, &san_mac_offset);
if ((san_mac_offset == 0) || (san_mac_offset == 0xFFFF)) {
/*
* No addresses available in this EEPROM. It's not an
* error though, so just wipe the local address and return.
*/
for (i = 0; i < 6; i++)
san_mac_addr[i] = 0xFF;
goto san_mac_addr_out;
}
/* make sure we know which port we need to program */
hw->mac.ops.set_lan_id(hw);
/* apply the port offset to the address offset */
(hw->bus.func) ? (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT1_OFFSET) :
(san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
for (i = 0; i < 3; i++) {
hw->eeprom.ops.read(hw, san_mac_offset, &san_mac_data);
san_mac_addr[i * 2] = (u8)(san_mac_data);
san_mac_addr[i * 2 + 1] = (u8)(san_mac_data >> 8);
san_mac_offset++;
}
san_mac_addr_out:
return 0;
}
/**
* ixgbe_get_pcie_msix_count_generic - Gets MSI-X vector count
* @hw: pointer to hardware structure
*
* Read PCIe configuration space, and get the MSI-X vector count from
* the capabilities table.
**/
u32 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw)
{
struct ixgbe_adapter *adapter = hw->back;
u16 msix_count;
pci_read_config_word(adapter->pdev, IXGBE_PCIE_MSIX_82599_CAPS,
&msix_count);
msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK;
/* MSI-X count is zero-based in HW, so increment to give proper value */
msix_count++;
return msix_count;
}
/**
* ixgbe_clear_vmdq_generic - Disassociate a VMDq pool index from a rx address
* @hw: pointer to hardware struct
* @rar: receive address register index to disassociate
* @vmdq: VMDq pool index to remove from the rar
**/
s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
{
u32 mpsar_lo, mpsar_hi;
u32 rar_entries = hw->mac.num_rar_entries;
if (rar < rar_entries) {
mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
if (!mpsar_lo && !mpsar_hi)
goto done;
if (vmdq == IXGBE_CLEAR_VMDQ_ALL) {
if (mpsar_lo) {
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0);
mpsar_lo = 0;
}
if (mpsar_hi) {
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0);
mpsar_hi = 0;
}
} else if (vmdq < 32) {
mpsar_lo &= ~(1 << vmdq);
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar_lo);
} else {
mpsar_hi &= ~(1 << (vmdq - 32));
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar_hi);
}
/* was that the last pool using this rar? */
if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0)
hw->mac.ops.clear_rar(hw, rar);
} else {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
}
done:
return 0;
}
/**
* ixgbe_set_vmdq_generic - Associate a VMDq pool index with a rx address
* @hw: pointer to hardware struct
* @rar: receive address register index to associate with a VMDq index
* @vmdq: VMDq pool index
**/
s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
{
u32 mpsar;
u32 rar_entries = hw->mac.num_rar_entries;
if (rar < rar_entries) {
if (vmdq < 32) {
mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
mpsar |= 1 << vmdq;
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar);
} else {
mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
mpsar |= 1 << (vmdq - 32);
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar);
}
} else {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
}
return 0;
}
/**
* ixgbe_init_uta_tables_generic - Initialize the Unicast Table Array
* @hw: pointer to hardware structure
**/
s32 ixgbe_init_uta_tables_generic(struct ixgbe_hw *hw)
{
int i;
for (i = 0; i < 128; i++)
IXGBE_WRITE_REG(hw, IXGBE_UTA(i), 0);
return 0;
}
/**
* ixgbe_find_vlvf_slot - find the vlanid or the first empty slot
* @hw: pointer to hardware structure
* @vlan: VLAN id to write to VLAN filter
*
* return the VLVF index where this VLAN id should be placed
*
**/
s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan)
{
u32 bits = 0;
u32 first_empty_slot = 0;
s32 regindex;
/* short cut the special case */
if (vlan == 0)
return 0;
/*
* Search for the vlan id in the VLVF entries. Save off the first empty
* slot found along the way
*/
for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) {
bits = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex));
if (!bits && !(first_empty_slot))
first_empty_slot = regindex;
else if ((bits & 0x0FFF) == vlan)
break;
}
/*
* If regindex is less than IXGBE_VLVF_ENTRIES, then we found the vlan
* in the VLVF. Else use the first empty VLVF register for this
* vlan id.
*/
if (regindex >= IXGBE_VLVF_ENTRIES) {
if (first_empty_slot)
regindex = first_empty_slot;
else {
hw_dbg(hw, "No space in VLVF.\n");
regindex = IXGBE_ERR_NO_SPACE;
}
}
return regindex;
}
/**
* ixgbe_set_vfta_generic - Set VLAN filter table
* @hw: pointer to hardware structure
* @vlan: VLAN id to write to VLAN filter
* @vind: VMDq output index that maps queue to VLAN id in VFVFB
* @vlan_on: boolean flag to turn on/off VLAN in VFVF
*
* Turn on/off specified VLAN in the VLAN filter table.
**/
s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
bool vlan_on)
{
s32 regindex;
u32 bitindex;
u32 vfta;
u32 bits;
u32 vt;
u32 targetbit;
bool vfta_changed = false;
if (vlan > 4095)
return IXGBE_ERR_PARAM;
/*
* this is a 2 part operation - first the VFTA, then the
* VLVF and VLVFB if VT Mode is set
* We don't write the VFTA until we know the VLVF part succeeded.
*/
/* Part 1
* The VFTA is a bitstring made up of 128 32-bit registers
* that enable the particular VLAN id, much like the MTA:
* bits[11-5]: which register
* bits[4-0]: which bit in the register
*/
regindex = (vlan >> 5) & 0x7F;
bitindex = vlan & 0x1F;
targetbit = (1 << bitindex);
vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
if (vlan_on) {
if (!(vfta & targetbit)) {
vfta |= targetbit;
vfta_changed = true;
}
} else {
if ((vfta & targetbit)) {
vfta &= ~targetbit;
vfta_changed = true;
}
}
/* Part 2
* If VT Mode is set
* Either vlan_on
* make sure the vlan is in VLVF
* set the vind bit in the matching VLVFB
* Or !vlan_on
* clear the pool bit and possibly the vind
*/
vt = IXGBE_READ_REG(hw, IXGBE_VT_CTL);
if (vt & IXGBE_VT_CTL_VT_ENABLE) {
s32 vlvf_index;
vlvf_index = ixgbe_find_vlvf_slot(hw, vlan);
if (vlvf_index < 0)
return vlvf_index;
if (vlan_on) {
/* set the pool bit */
if (vind < 32) {
bits = IXGBE_READ_REG(hw,
IXGBE_VLVFB(vlvf_index*2));
bits |= (1 << vind);
IXGBE_WRITE_REG(hw,
IXGBE_VLVFB(vlvf_index*2),
bits);
} else {
bits = IXGBE_READ_REG(hw,
IXGBE_VLVFB((vlvf_index*2)+1));
bits |= (1 << (vind-32));
IXGBE_WRITE_REG(hw,
IXGBE_VLVFB((vlvf_index*2)+1),
bits);
}
} else {
/* clear the pool bit */
if (vind < 32) {
bits = IXGBE_READ_REG(hw,
IXGBE_VLVFB(vlvf_index*2));
bits &= ~(1 << vind);
IXGBE_WRITE_REG(hw,
IXGBE_VLVFB(vlvf_index*2),
bits);
bits |= IXGBE_READ_REG(hw,
IXGBE_VLVFB((vlvf_index*2)+1));
} else {
bits = IXGBE_READ_REG(hw,
IXGBE_VLVFB((vlvf_index*2)+1));
bits &= ~(1 << (vind-32));
IXGBE_WRITE_REG(hw,
IXGBE_VLVFB((vlvf_index*2)+1),
bits);
bits |= IXGBE_READ_REG(hw,
IXGBE_VLVFB(vlvf_index*2));
}
}
/*
* If there are still bits set in the VLVFB registers
* for the VLAN ID indicated we need to see if the
* caller is requesting that we clear the VFTA entry bit.
* If the caller has requested that we clear the VFTA
* entry bit but there are still pools/VFs using this VLAN
* ID entry then ignore the request. We're not worried
* about the case where we're turning the VFTA VLAN ID
* entry bit on, only when requested to turn it off as
* there may be multiple pools and/or VFs using the
* VLAN ID entry. In that case we cannot clear the
* VFTA bit until all pools/VFs using that VLAN ID have also
* been cleared. This will be indicated by "bits" being
* zero.
*/
if (bits) {
IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index),
(IXGBE_VLVF_VIEN | vlan));
if (!vlan_on) {
/* someone wants to clear the vfta entry
* but some pools/VFs are still using it.
* Ignore it. */
vfta_changed = false;
}
}
else
IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index), 0);
}
if (vfta_changed)
IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), vfta);
return 0;
}
/**
* ixgbe_clear_vfta_generic - Clear VLAN filter table
* @hw: pointer to hardware structure
*
* Clears the VLAN filer table, and the VMDq index associated with the filter
**/
s32 ixgbe_clear_vfta_generic(struct ixgbe_hw *hw)
{
u32 offset;
for (offset = 0; offset < hw->mac.vft_size; offset++)
IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
for (offset = 0; offset < IXGBE_VLVF_ENTRIES; offset++) {
IXGBE_WRITE_REG(hw, IXGBE_VLVF(offset), 0);
IXGBE_WRITE_REG(hw, IXGBE_VLVFB(offset*2), 0);
IXGBE_WRITE_REG(hw, IXGBE_VLVFB((offset*2)+1), 0);
}
return 0;
}
/**
* ixgbe_check_mac_link_generic - Determine link and speed status
* @hw: pointer to hardware structure
* @speed: pointer to link speed
* @link_up: true when link is up
* @link_up_wait_to_complete: bool used to wait for link up or not
*
* Reads the links register to determine if link is up and the current speed
**/
s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
bool *link_up, bool link_up_wait_to_complete)
{
u32 links_reg;
u32 i;
links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
if (link_up_wait_to_complete) {
for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
if (links_reg & IXGBE_LINKS_UP) {
*link_up = true;
break;
} else {
*link_up = false;
}
msleep(100);
links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
}
} else {
if (links_reg & IXGBE_LINKS_UP)
*link_up = true;
else
*link_up = false;
}
if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
IXGBE_LINKS_SPEED_10G_82599)
*speed = IXGBE_LINK_SPEED_10GB_FULL;
else if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
IXGBE_LINKS_SPEED_1G_82599)
*speed = IXGBE_LINK_SPEED_1GB_FULL;
else
*speed = IXGBE_LINK_SPEED_100_FULL;
/* if link is down, zero out the current_mode */
if (*link_up == false) {
hw->fc.current_mode = ixgbe_fc_none;
hw->fc.fc_was_autonegged = false;
}
return 0;
}
/**
* ixgbe_get_wwn_prefix_generic - Get alternative WWNN/WWPN prefix from
* the EEPROM
* @hw: pointer to hardware structure
* @wwnn_prefix: the alternative WWNN prefix
* @wwpn_prefix: the alternative WWPN prefix
*
* This function will read the EEPROM from the alternative SAN MAC address
* block to check the support for the alternative WWNN/WWPN prefix support.
**/
s32 ixgbe_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix,
u16 *wwpn_prefix)
{
u16 offset, caps;
u16 alt_san_mac_blk_offset;
/* clear output first */
*wwnn_prefix = 0xFFFF;
*wwpn_prefix = 0xFFFF;
/* check if alternative SAN MAC is supported */
hw->eeprom.ops.read(hw, IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR,
&alt_san_mac_blk_offset);
if ((alt_san_mac_blk_offset == 0) ||
(alt_san_mac_blk_offset == 0xFFFF))
goto wwn_prefix_out;
/* check capability in alternative san mac address block */
offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET;
hw->eeprom.ops.read(hw, offset, &caps);
if (!(caps & IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN))
goto wwn_prefix_out;
/* get the corresponding prefix for WWNN/WWPN */
offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET;
hw->eeprom.ops.read(hw, offset, wwnn_prefix);
offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET;
hw->eeprom.ops.read(hw, offset, wwpn_prefix);
wwn_prefix_out:
return 0;
}

17
drivers/net/ixgbe/ixgbe_common.h
View File

@ -30,6 +30,7 @@
#include "ixgbe_type.h"
u32 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw);
s32 ixgbe_init_ops_generic(struct ixgbe_hw *hw);
s32 ixgbe_init_hw_generic(struct ixgbe_hw *hw);
s32 ixgbe_start_hw_generic(struct ixgbe_hw *hw);
@ -45,12 +46,13 @@ s32 ixgbe_led_off_generic(struct ixgbe_hw *hw, u32 index);
s32 ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw);
s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data);
s32 ixgbe_read_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 *data);
s32 ixgbe_read_eerd_generic(struct ixgbe_hw *hw, u16 offset, u16 *data);
s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
u16 *data);
s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw,
u16 *checksum_val);
s32 ixgbe_update_eeprom_checksum_generic(struct ixgbe_hw *hw);
s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg);
s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
u32 enable_addr);
@ -70,9 +72,16 @@ s32 ixgbe_validate_mac_addr(u8 *mac_addr);
s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask);
void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask);
s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw);
s32 ixgbe_read_analog_reg8_generic(struct ixgbe_hw *hw, u32 reg, u8 *val);
s32 ixgbe_write_analog_reg8_generic(struct ixgbe_hw *hw, u32 reg, u8 val);
s32 ixgbe_get_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr);
s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
s32 ixgbe_init_uta_tables_generic(struct ixgbe_hw *hw);
s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan,
u32 vind, bool vlan_on);
s32 ixgbe_clear_vfta_generic(struct ixgbe_hw *hw);
s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *link_up, bool link_up_wait_to_complete);
s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index);
s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index);

32
drivers/net/ixgbe/ixgbe_type.h
View File

@ -73,6 +73,7 @@
/* NVM Registers */
#define IXGBE_EEC 0x10010
#define IXGBE_EERD 0x10014
#define IXGBE_EEWR 0x10018
#define IXGBE_FLA 0x1001C
#define IXGBE_EEMNGCTL 0x10110
#define IXGBE_EEMNGDATA 0x10114
@ -699,6 +700,7 @@
#define IXGBE_MREVID 0x11064
#define IXGBE_DCA_ID 0x11070
#define IXGBE_DCA_CTRL 0x11074
#define IXGBE_SWFW_SYNC IXGBE_GSSR
/* PCIe registers 82599-specific */
#define IXGBE_GCR_EXT 0x11050
@ -1463,8 +1465,9 @@
#define IXGBE_SWSM_SMBI 0x00000001 /* Driver Semaphore bit */
#define IXGBE_SWSM_SWESMBI 0x00000002 /* FW Semaphore bit */
#define IXGBE_SWSM_WMNG 0x00000004 /* Wake MNG Clock */
#define IXGBE_SWFW_REGSMP 0x80000000 /* Register Semaphore bit 31 */
/* GSSR definitions */
/* SW_FW_SYNC/GSSR definitions */
#define IXGBE_GSSR_EEP_SM 0x0001
#define IXGBE_GSSR_PHY0_SM 0x0002
#define IXGBE_GSSR_PHY1_SM 0x0004
@ -1484,6 +1487,8 @@
#define IXGBE_EEC_GNT 0x00000080 /* EEPROM Access Grant */
#define IXGBE_EEC_PRES 0x00000100 /* EEPROM Present */
#define IXGBE_EEC_ARD 0x00000200 /* EEPROM Auto Read Done */
#define IXGBE_EEC_FLUP 0x00800000 /* Flash update command */
#define IXGBE_EEC_FLUDONE 0x04000000 /* Flash update done */
/* EEPROM Addressing bits based on type (0-small, 1-large) */
#define IXGBE_EEC_ADDR_SIZE 0x00000400
#define IXGBE_EEC_SIZE 0x00007800 /* EEPROM Size */
@ -1539,10 +1544,12 @@
#define IXGBE_EEPROM_ERASE256_OPCODE_SPI 0xDB /* EEPROM ERASE 256B */
/* EEPROM Read Register */
#define IXGBE_EEPROM_READ_REG_DATA 16 /* data offset in EEPROM read reg */
#define IXGBE_EEPROM_READ_REG_DONE 2 /* Offset to READ done bit */
#define IXGBE_EEPROM_READ_REG_START 1 /* First bit to start operation */
#define IXGBE_EEPROM_READ_ADDR_SHIFT 2 /* Shift to the address bits */
#define IXGBE_EEPROM_RW_REG_DATA 16 /* data offset in EEPROM read reg */
#define IXGBE_EEPROM_RW_REG_DONE 2 /* Offset to READ done bit */
#define IXGBE_EEPROM_RW_REG_START 1 /* First bit to start operation */
#define IXGBE_EEPROM_RW_ADDR_SHIFT 2 /* Shift to the address bits */
#define IXGBE_NVM_POLL_WRITE 1 /* Flag for polling for write complete */
#define IXGBE_NVM_POLL_READ 0 /* Flag for polling for read complete */
#define IXGBE_ETH_LENGTH_OF_ADDRESS 6
@ -1550,9 +1557,15 @@
#define IXGBE_EEPROM_GRANT_ATTEMPTS 1000 /* EEPROM # attempts to gain grant */
#endif
#ifndef IXGBE_EERD_ATTEMPTS
/* Number of 5 microseconds we wait for EERD read to complete */
#define IXGBE_EERD_ATTEMPTS 100000
#ifndef IXGBE_EERD_EEWR_ATTEMPTS
/* Number of 5 microseconds we wait for EERD read and
* EERW write to complete */
#define IXGBE_EERD_EEWR_ATTEMPTS 100000
#endif
#ifndef IXGBE_FLUDONE_ATTEMPTS
/* # attempts we wait for flush update to complete */
#define IXGBE_FLUDONE_ATTEMPTS 20000
#endif
#define IXGBE_SAN_MAC_ADDR_PORT0_OFFSET 0x0
@ -2476,6 +2489,7 @@ struct ixgbe_mac_info {
u32 mcft_size;
u32 vft_size;
u32 num_rar_entries;
u32 rar_highwater;
u32 max_tx_queues;
u32 max_rx_queues;
u32 max_msix_vectors;
@ -2582,8 +2596,10 @@ struct ixgbe_info {
#define IXGBE_ERR_SFP_NOT_SUPPORTED -19
#define IXGBE_ERR_SFP_NOT_PRESENT -20
#define IXGBE_ERR_SFP_NO_INIT_SEQ_PRESENT -21
#define IXGBE_ERR_NO_SAN_ADDR_PTR -22
#define IXGBE_ERR_FDIR_REINIT_FAILED -23
#define IXGBE_ERR_EEPROM_VERSION -24
#define IXGBE_ERR_NO_SPACE -25
#define IXGBE_NOT_IMPLEMENTED 0x7FFFFFFF
#endif /* _IXGBE_TYPE_H_ */