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Commit bf745e88 authored by David S. Miller's avatar David S. Miller
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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/jkirsher/net-next-2.6

parents a7ac8fc1 2b642ca5
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Showing with 608 additions and 320 deletions
drivers/net/Kconfig
View file @ bf745e88
......@@ -2109,6 +2109,7 @@ config E1000
config E1000E
tristate "Intel(R) PRO/1000 PCI-Express Gigabit Ethernet support"
depends on PCI && (!SPARC32 || BROKEN)
select CRC32
---help---
This driver supports the PCI-Express Intel(R) PRO/1000 gigabit
ethernet family of adapters. For PCI or PCI-X e1000 adapters,
......
drivers/net/igb/e1000_defines.h
View file @ bf745e88
......@@ -110,6 +110,7 @@
/* Management Control */
#define E1000_MANC_SMBUS_EN 0x00000001 /* SMBus Enabled - RO */
#define E1000_MANC_ASF_EN 0x00000002 /* ASF Enabled - RO */
#define E1000_MANC_EN_BMC2OS 0x10000000 /* OSBMC is Enabled or not */
/* Enable Neighbor Discovery Filtering */
#define E1000_MANC_RCV_TCO_EN 0x00020000 /* Receive TCO Packets Enabled */
#define E1000_MANC_BLK_PHY_RST_ON_IDE 0x00040000 /* Block phy resets */
......
drivers/net/igb/e1000_hw.h
View file @ bf745e88
......@@ -248,6 +248,10 @@ struct e1000_hw_stats {
u64 scvpc;
u64 hrmpc;
u64 doosync;
u64 o2bgptc;
u64 o2bspc;
u64 b2ospc;
u64 b2ogprc;
};
struct e1000_phy_stats {
......
drivers/net/igb/e1000_regs.h
View file @ bf745e88
......@@ -328,4 +328,11 @@
/* DMA Coalescing registers */
#define E1000_PCIEMISC 0x05BB8 /* PCIE misc config register */
/* OS2BMC Registers */
#define E1000_B2OSPC 0x08FE0 /* BMC2OS packets sent by BMC */
#define E1000_B2OGPRC 0x04158 /* BMC2OS packets received by host */
#define E1000_O2BGPTC 0x08FE4 /* OS2BMC packets received by BMC */
#define E1000_O2BSPC 0x0415C /* OS2BMC packets transmitted by host */
#endif
drivers/net/igb/igb_ethtool.c
View file @ bf745e88
......@@ -86,6 +86,10 @@ static const struct igb_stats igb_gstrings_stats[] = {
IGB_STAT("tx_smbus", stats.mgptc),
IGB_STAT("rx_smbus", stats.mgprc),
IGB_STAT("dropped_smbus", stats.mgpdc),
IGB_STAT("os2bmc_rx_by_bmc", stats.o2bgptc),
IGB_STAT("os2bmc_tx_by_bmc", stats.b2ospc),
IGB_STAT("os2bmc_tx_by_host", stats.o2bspc),
IGB_STAT("os2bmc_rx_by_host", stats.b2ogprc),
};
#define IGB_NETDEV_STAT(_net_stat) { \
......@@ -603,7 +607,10 @@ static void igb_get_regs(struct net_device *netdev,
regs_buff[548] = rd32(E1000_TDFT);
regs_buff[549] = rd32(E1000_TDFHS);
regs_buff[550] = rd32(E1000_TDFPC);
regs_buff[551] = adapter->stats.o2bgptc;
regs_buff[552] = adapter->stats.b2ospc;
regs_buff[553] = adapter->stats.o2bspc;
regs_buff[554] = adapter->stats.b2ogprc;
}
static int igb_get_eeprom_len(struct net_device *netdev)
......
drivers/net/igb/igb_main.c
View file @ bf745e88
......@@ -4560,6 +4560,15 @@ void igb_update_stats(struct igb_adapter *adapter,
adapter->stats.mgptc += rd32(E1000_MGTPTC);
adapter->stats.mgprc += rd32(E1000_MGTPRC);
adapter->stats.mgpdc += rd32(E1000_MGTPDC);
/* OS2BMC Stats */
reg = rd32(E1000_MANC);
if (reg & E1000_MANC_EN_BMC2OS) {
adapter->stats.o2bgptc += rd32(E1000_O2BGPTC);
adapter->stats.o2bspc += rd32(E1000_O2BSPC);
adapter->stats.b2ospc += rd32(E1000_B2OSPC);
adapter->stats.b2ogprc += rd32(E1000_B2OGPRC);
}
}
static irqreturn_t igb_msix_other(int irq, void *data)
......
drivers/net/ixgbe/ixgbe.h
View file @ bf745e88
......@@ -552,6 +552,8 @@ extern int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
struct sk_buff *skb);
extern int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
struct scatterlist *sgl, unsigned int sgc);
extern int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid,
struct scatterlist *sgl, unsigned int sgc);
extern int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid);
extern int ixgbe_fcoe_enable(struct net_device *netdev);
extern int ixgbe_fcoe_disable(struct net_device *netdev);
......
drivers/net/ixgbe/ixgbe_82598.c
View file @ bf745e88
......@@ -280,10 +280,22 @@ static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw)
{
enum ixgbe_media_type media_type;
/* Detect if there is a copper PHY attached. */
switch (hw->phy.type) {
case ixgbe_phy_cu_unknown:
case ixgbe_phy_tn:
case ixgbe_phy_aq:
media_type = ixgbe_media_type_copper;
goto out;
default:
break;
}
/* Media type for I82598 is based on device ID */
switch (hw->device_id) {
case IXGBE_DEV_ID_82598:
case IXGBE_DEV_ID_82598_BX:
/* Default device ID is mezzanine card KX/KX4 */
media_type = ixgbe_media_type_backplane;
break;
case IXGBE_DEV_ID_82598AF_DUAL_PORT:
......@@ -306,7 +318,7 @@ static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw)
media_type = ixgbe_media_type_unknown;
break;
}
out:
return media_type;
}
......@@ -354,7 +366,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num)
/* Negotiate the fc mode to use */
ret_val = ixgbe_fc_autoneg(hw);
if (ret_val)
if (ret_val == IXGBE_ERR_FLOW_CONTROL)
goto out;
/* Disable any previous flow control settings */
......@@ -372,10 +384,10 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num)
* 2: Tx flow control is enabled (we can send pause frames but
* we do not support receiving pause frames).
* 3: Both Rx and Tx flow control (symmetric) are enabled.
* other: Invalid.
#ifdef CONFIG_DCB
* 4: Priority Flow Control is enabled.
#endif
* other: Invalid.
*/
switch (hw->fc.current_mode) {
case ixgbe_fc_none:
......@@ -432,9 +444,10 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num)
reg = (rx_pba_size - hw->fc.low_water) << 6;
if (hw->fc.send_xon)
reg |= IXGBE_FCRTL_XONE;
IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num), reg);
reg = (rx_pba_size - hw->fc.high_water) << 10;
reg = (rx_pba_size - hw->fc.high_water) << 6;
reg |= IXGBE_FCRTH_FCEN;
IXGBE_WRITE_REG(hw, IXGBE_FCRTH(packetbuf_num), reg);
......@@ -632,7 +645,7 @@ static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw,
* @hw: pointer to hardware structure
* @speed: new link speed
* @autoneg: true if auto-negotiation enabled
* @autoneg_wait_to_complete: true if waiting is needed to complete
* @autoneg_wait_to_complete: true when waiting for completion is needed
*
* Set the link speed in the AUTOC register and restarts link.
**/
......@@ -671,7 +684,8 @@ static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
* ixgbe_hw This will write the AUTOC register based on the new
* stored values
*/
status = ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
status = ixgbe_start_mac_link_82598(hw,
autoneg_wait_to_complete);
}
return status;
......@@ -1090,10 +1104,12 @@ static u32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw)
/* Copper PHY must be checked before AUTOC LMS to determine correct
* physical layer because 10GBase-T PHYs use LMS = KX4/KX */
if (hw->phy.type == ixgbe_phy_tn ||
hw->phy.type == ixgbe_phy_cu_unknown) {
hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD,
&ext_ability);
switch (hw->phy.type) {
case ixgbe_phy_tn:
case ixgbe_phy_aq:
case ixgbe_phy_cu_unknown:
hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE,
MDIO_MMD_PMAPMD, &ext_ability);
if (ext_ability & MDIO_PMA_EXTABLE_10GBT)
physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T;
if (ext_ability & MDIO_PMA_EXTABLE_1000BT)
......@@ -1101,6 +1117,8 @@ static u32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw)
if (ext_ability & MDIO_PMA_EXTABLE_100BTX)
physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX;
goto out;
default:
break;
}
switch (autoc & IXGBE_AUTOC_LMS_MASK) {
......
drivers/net/ixgbe/ixgbe_82599.c
View file @ bf745e88
......@@ -470,8 +470,6 @@ static void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
**/
static void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
{
hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n");
if (hw->mac.autotry_restart) {
ixgbe_disable_tx_laser_multispeed_fiber(hw);
ixgbe_enable_tx_laser_multispeed_fiber(hw);
......@@ -494,17 +492,21 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
bool autoneg_wait_to_complete)
{
s32 status = 0;
ixgbe_link_speed phy_link_speed;
ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_UNKNOWN;
ixgbe_link_speed highest_link_speed = IXGBE_LINK_SPEED_UNKNOWN;
u32 speedcnt = 0;
u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
u32 i = 0;
bool link_up = false;
bool negotiation;
int i;
/* Mask off requested but non-supported speeds */
hw->mac.ops.get_link_capabilities(hw, &phy_link_speed, &negotiation);
speed &= phy_link_speed;
status = hw->mac.ops.get_link_capabilities(hw, &link_speed,
&negotiation);
if (status != 0)
return status;
speed &= link_speed;
/*
* Try each speed one by one, highest priority first. We do this in
......@@ -515,9 +517,12 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
highest_link_speed = IXGBE_LINK_SPEED_10GB_FULL;
/* If we already have link at this speed, just jump out */
hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false);
status = hw->mac.ops.check_link(hw, &link_speed, &link_up,
false);
if (status != 0)
return status;
if ((phy_link_speed == IXGBE_LINK_SPEED_10GB_FULL) && link_up)
if ((link_speed == IXGBE_LINK_SPEED_10GB_FULL) && link_up)
goto out;
/* Set the module link speed */
......@@ -529,9 +534,9 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
msleep(40);
status = ixgbe_setup_mac_link_82599(hw,
IXGBE_LINK_SPEED_10GB_FULL,
autoneg,
autoneg_wait_to_complete);
IXGBE_LINK_SPEED_10GB_FULL,
autoneg,
autoneg_wait_to_complete);
if (status != 0)
return status;
......@@ -548,8 +553,11 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
msleep(100);
/* If we have link, just jump out */
hw->mac.ops.check_link(hw, &phy_link_speed,
&link_up, false);
status = hw->mac.ops.check_link(hw, &link_speed,
&link_up, false);
if (status != 0)
return status;
if (link_up)
goto out;
}
......@@ -561,9 +569,12 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
highest_link_speed = IXGBE_LINK_SPEED_1GB_FULL;
/* If we already have link at this speed, just jump out */
hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false);
status = hw->mac.ops.check_link(hw, &link_speed, &link_up,
false);
if (status != 0)
return status;
if ((phy_link_speed == IXGBE_LINK_SPEED_1GB_FULL) && link_up)
if ((link_speed == IXGBE_LINK_SPEED_1GB_FULL) && link_up)
goto out;
/* Set the module link speed */
......@@ -576,9 +587,9 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
msleep(40);
status = ixgbe_setup_mac_link_82599(hw,
IXGBE_LINK_SPEED_1GB_FULL,
autoneg,
autoneg_wait_to_complete);
IXGBE_LINK_SPEED_1GB_FULL,
autoneg,
autoneg_wait_to_complete);
if (status != 0)
return status;
......@@ -589,7 +600,11 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
msleep(100);
/* If we have link, just jump out */
hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false);
status = hw->mac.ops.check_link(hw, &link_speed, &link_up,
false);
if (status != 0)
return status;
if (link_up)
goto out;
}
......@@ -632,13 +647,10 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
bool autoneg_wait_to_complete)
{
s32 status = 0;
ixgbe_link_speed link_speed;
ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_UNKNOWN;
s32 i, j;
bool link_up = false;
u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
struct ixgbe_adapter *adapter = hw->back;
hw_dbg(hw, "ixgbe_setup_mac_link_smartspeed.\n");
/* Set autoneg_advertised value based on input link speed */
hw->phy.autoneg_advertised = 0;
......@@ -664,7 +676,7 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
for (j = 0; j < IXGBE_SMARTSPEED_MAX_RETRIES; j++) {
status = ixgbe_setup_mac_link_82599(hw, speed, autoneg,
autoneg_wait_to_complete);
if (status)
if (status != 0)
goto out;
/*
......@@ -677,8 +689,11 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
mdelay(100);
/* If we have link, just jump out */
hw->mac.ops.check_link(hw, &link_speed,
&link_up, false);
status = hw->mac.ops.check_link(hw, &link_speed,
&link_up, false);
if (status != 0)
goto out;
if (link_up)
goto out;
}
......@@ -696,7 +711,7 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
hw->phy.smart_speed_active = true;
status = ixgbe_setup_mac_link_82599(hw, speed, autoneg,
autoneg_wait_to_complete);
if (status)
if (status != 0)
goto out;
/*
......@@ -709,8 +724,11 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
mdelay(100);
/* If we have link, just jump out */
hw->mac.ops.check_link(hw, &link_speed,
&link_up, false);
status = hw->mac.ops.check_link(hw, &link_speed,
&link_up, false);
if (status != 0)
goto out;
if (link_up)
goto out;
}
......@@ -722,7 +740,7 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
out:
if (link_up && (link_speed == IXGBE_LINK_SPEED_1GB_FULL))
e_info(hw, "Smartspeed has downgraded the link speed from "
hw_dbg(hw, "Smartspeed has downgraded the link speed from "
"the maximum advertised\n");
return status;
}
......@@ -754,6 +772,9 @@ static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
/* Check to see if speed passed in is supported. */
hw->mac.ops.get_link_capabilities(hw, &link_capabilities, &autoneg);
if (status != 0)
goto out;
speed &= link_capabilities;
if (speed == IXGBE_LINK_SPEED_UNKNOWN) {
......@@ -883,7 +904,7 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
/* PHY ops must be identified and initialized prior to reset */
/* Init PHY and function pointers, perform SFP setup */
/* Identify PHY and related function pointers */
status = hw->phy.ops.init(hw);
if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
......@@ -895,6 +916,9 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
hw->phy.sfp_setup_needed = false;
}
if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
goto reset_hw_out;
/* Reset PHY */
if (hw->phy.reset_disable == false && hw->phy.ops.reset != NULL)
hw->phy.ops.reset(hw);
......@@ -2051,28 +2075,28 @@ static struct ixgbe_mac_operations mac_ops_82599 = {
};
static struct ixgbe_eeprom_operations eeprom_ops_82599 = {
.init_params = &ixgbe_init_eeprom_params_generic,
.read = &ixgbe_read_eerd_generic,
.write = &ixgbe_write_eeprom_generic,
.calc_checksum = &ixgbe_calc_eeprom_checksum_generic,
.validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
.update_checksum = &ixgbe_update_eeprom_checksum_generic,
.init_params = &ixgbe_init_eeprom_params_generic,
.read = &ixgbe_read_eerd_generic,
.write = &ixgbe_write_eeprom_generic,
.calc_checksum = &ixgbe_calc_eeprom_checksum_generic,
.validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
.update_checksum = &ixgbe_update_eeprom_checksum_generic,
};
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,
.reset = &ixgbe_reset_phy_generic,
.read_reg = &ixgbe_read_phy_reg_generic,
.write_reg = &ixgbe_write_phy_reg_generic,
.setup_link = &ixgbe_setup_phy_link_generic,
.setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
.read_i2c_byte = &ixgbe_read_i2c_byte_generic,
.write_i2c_byte = &ixgbe_write_i2c_byte_generic,
.read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic,
.write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic,
.check_overtemp = &ixgbe_tn_check_overtemp,
.identify = &ixgbe_identify_phy_82599,
.identify_sfp = &ixgbe_identify_sfp_module_generic,
.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,
.setup_link = &ixgbe_setup_phy_link_generic,
.setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
.read_i2c_byte = &ixgbe_read_i2c_byte_generic,
.write_i2c_byte = &ixgbe_write_i2c_byte_generic,
.read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic,
.write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic,
.check_overtemp = &ixgbe_tn_check_overtemp,
};
struct ixgbe_info ixgbe_82599_info = {
......
drivers/net/ixgbe/ixgbe_common.c
View file @ bf745e88
......@@ -47,6 +47,12 @@ static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec);
static void ixgbe_release_eeprom(struct ixgbe_hw *hw);
static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr);
static s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw);
static s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw);
static s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw);
static s32 ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw);
static s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm);
static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num);
/**
......@@ -136,17 +142,29 @@ s32 ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw)
IXGBE_READ_REG(hw, IXGBE_MRFC);
IXGBE_READ_REG(hw, IXGBE_RLEC);
IXGBE_READ_REG(hw, IXGBE_LXONTXC);
IXGBE_READ_REG(hw, IXGBE_LXONRXC);
IXGBE_READ_REG(hw, IXGBE_LXOFFTXC);
IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
if (hw->mac.type >= ixgbe_mac_82599EB) {
IXGBE_READ_REG(hw, IXGBE_LXONRXCNT);
IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT);
} else {
IXGBE_READ_REG(hw, IXGBE_LXONRXC);
IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
}
for (i = 0; i < 8; i++) {
IXGBE_READ_REG(hw, IXGBE_PXONTXC(i));
IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i));
IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i));
if (hw->mac.type >= ixgbe_mac_82599EB) {
IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i));
IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i));
} else {
IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i));
}
}
if (hw->mac.type >= ixgbe_mac_82599EB)
for (i = 0; i < 8; i++)
IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i));
IXGBE_READ_REG(hw, IXGBE_PRC64);
IXGBE_READ_REG(hw, IXGBE_PRC127);
IXGBE_READ_REG(hw, IXGBE_PRC255);
......@@ -184,9 +202,26 @@ s32 ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw)
IXGBE_READ_REG(hw, IXGBE_BPTC);
for (i = 0; i < 16; i++) {
IXGBE_READ_REG(hw, IXGBE_QPRC(i));
IXGBE_READ_REG(hw, IXGBE_QBRC(i));
IXGBE_READ_REG(hw, IXGBE_QPTC(i));
IXGBE_READ_REG(hw, IXGBE_QBTC(i));
if (hw->mac.type >= ixgbe_mac_82599EB) {
IXGBE_READ_REG(hw, IXGBE_QBRC_L(i));
IXGBE_READ_REG(hw, IXGBE_QBRC_H(i));
IXGBE_READ_REG(hw, IXGBE_QBTC_L(i));
IXGBE_READ_REG(hw, IXGBE_QBTC_H(i));
IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
} else {
IXGBE_READ_REG(hw, IXGBE_QBRC(i));
IXGBE_READ_REG(hw, IXGBE_QBTC(i));
}
}
if (hw->mac.type == ixgbe_mac_X540) {
if (hw->phy.id == 0)
hw->phy.ops.identify(hw);
hw->phy.ops.read_reg(hw, 0x3, IXGBE_PCRC8ECL, &i);
hw->phy.ops.read_reg(hw, 0x3, IXGBE_PCRC8ECH, &i);
hw->phy.ops.read_reg(hw, 0x3, IXGBE_LDPCECL, &i);
hw->phy.ops.read_reg(hw, 0x3, IXGBE_LDPCECH, &i);
}
return 0;
......@@ -1075,7 +1110,7 @@ static void ixgbe_release_eeprom(struct ixgbe_hw *hw)
eec &= ~IXGBE_EEC_REQ;
IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
ixgbe_release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
/* Delay before attempt to obtain semaphore again to allow FW access */
msleep(hw->eeprom.semaphore_delay);
......@@ -1537,7 +1572,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
#endif /* CONFIG_DCB */
/* Negotiate the fc mode to use */
ret_val = ixgbe_fc_autoneg(hw);
if (ret_val)
if (ret_val == IXGBE_ERR_FLOW_CONTROL)
goto out;
/* Disable any previous flow control settings */
......@@ -1645,12 +1680,13 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
**/
s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw)
{
s32 ret_val = 0;
s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
ixgbe_link_speed speed;
u32 pcs_anadv_reg, pcs_lpab_reg, linkstat;
u32 links2, anlp1_reg, autoc_reg, links;
bool link_up;
if (hw->fc.disable_fc_autoneg)
goto out;
/*
* AN should have completed when the cable was plugged in.
* Look for reasons to bail out. Bail out if:
......@@ -1661,153 +1697,199 @@ s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw)
* So use link_up_wait_to_complete=false.
*/
hw->mac.ops.check_link(hw, &speed, &link_up, false);
if (hw->fc.disable_fc_autoneg || (!link_up)) {
hw->fc.fc_was_autonegged = false;
hw->fc.current_mode = hw->fc.requested_mode;
if (!link_up) {
ret_val = IXGBE_ERR_FLOW_CONTROL;
goto out;
}
/*
* On backplane, bail out if
* - backplane autoneg was not completed, or if
* - we are 82599 and link partner is not AN enabled
*/
if (hw->phy.media_type == ixgbe_media_type_backplane) {
links = IXGBE_READ_REG(hw, IXGBE_LINKS);
if ((links & IXGBE_LINKS_KX_AN_COMP) == 0) {
hw->fc.fc_was_autonegged = false;
hw->fc.current_mode = hw->fc.requested_mode;
goto out;
}
switch (hw->phy.media_type) {
/* Autoneg flow control on fiber adapters */
case ixgbe_media_type_fiber:
if (speed == IXGBE_LINK_SPEED_1GB_FULL)
ret_val = ixgbe_fc_autoneg_fiber(hw);
break;
if (hw->mac.type == ixgbe_mac_82599EB) {
links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0) {
hw->fc.fc_was_autonegged = false;
hw->fc.current_mode = hw->fc.requested_mode;
goto out;
}
}
/* Autoneg flow control on backplane adapters */
case ixgbe_media_type_backplane:
ret_val = ixgbe_fc_autoneg_backplane(hw);
break;
/* Autoneg flow control on copper adapters */
case ixgbe_media_type_copper:
if (ixgbe_device_supports_autoneg_fc(hw) == 0)
ret_val = ixgbe_fc_autoneg_copper(hw);
break;
default:
break;
}
out:
if (ret_val == 0) {
hw->fc.fc_was_autonegged = true;
} else {
hw->fc.fc_was_autonegged = false;
hw->fc.current_mode = hw->fc.requested_mode;
}
return ret_val;
}
/**
* ixgbe_fc_autoneg_fiber - Enable flow control on 1 gig fiber
* @hw: pointer to hardware structure
*
* Enable flow control according on 1 gig fiber.
**/
static s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw)
{
u32 pcs_anadv_reg, pcs_lpab_reg, linkstat;
s32 ret_val;
/*
* On multispeed fiber at 1g, bail out if
* - link is up but AN did not complete, or if
* - link is up and AN completed but timed out
*/
if (hw->phy.multispeed_fiber && (speed == IXGBE_LINK_SPEED_1GB_FULL)) {
linkstat = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
if (((linkstat & IXGBE_PCS1GLSTA_AN_COMPLETE) == 0) ||
((linkstat & IXGBE_PCS1GLSTA_AN_TIMED_OUT) == 1)) {
hw->fc.fc_was_autonegged = false;
hw->fc.current_mode = hw->fc.requested_mode;
goto out;
}
linkstat = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
if (((linkstat & IXGBE_PCS1GLSTA_AN_COMPLETE) == 0) ||
((linkstat & IXGBE_PCS1GLSTA_AN_TIMED_OUT) == 1)) {
ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
goto out;
}
pcs_anadv_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
pcs_lpab_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
ret_val = ixgbe_negotiate_fc(hw, pcs_anadv_reg,
pcs_lpab_reg, IXGBE_PCS1GANA_SYM_PAUSE,
IXGBE_PCS1GANA_ASM_PAUSE,
IXGBE_PCS1GANA_SYM_PAUSE,
IXGBE_PCS1GANA_ASM_PAUSE);
out:
return ret_val;
}
/**
* ixgbe_fc_autoneg_backplane - Enable flow control IEEE clause 37
* @hw: pointer to hardware structure
*
* Enable flow control according to IEEE clause 37.
**/
static s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw)
{
u32 links2, anlp1_reg, autoc_reg, links;
s32 ret_val;
/*
* Bail out on
* - copper or CX4 adapters
* - fiber adapters running at 10gig
* On backplane, bail out if
* - backplane autoneg was not completed, or if
* - we are 82599 and link partner is not AN enabled
*/
if ((hw->phy.media_type == ixgbe_media_type_copper) ||
(hw->phy.media_type == ixgbe_media_type_cx4) ||
((hw->phy.media_type == ixgbe_media_type_fiber) &&
(speed == IXGBE_LINK_SPEED_10GB_FULL))) {
links = IXGBE_READ_REG(hw, IXGBE_LINKS);
if ((links & IXGBE_LINKS_KX_AN_COMP) == 0) {
hw->fc.fc_was_autonegged = false;
hw->fc.current_mode = hw->fc.requested_mode;
ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
goto out;
}
if (hw->mac.type == ixgbe_mac_82599EB) {
links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0) {
hw->fc.fc_was_autonegged = false;
hw->fc.current_mode = hw->fc.requested_mode;
ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
goto out;
}
}
/*
* Read the AN advertisement and LP ability registers and resolve
* Read the 10g AN autoc and LP ability registers and resolve
* local flow control settings accordingly
*/
if ((speed == IXGBE_LINK_SPEED_1GB_FULL) &&
(hw->phy.media_type != ixgbe_media_type_backplane)) {
pcs_anadv_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
pcs_lpab_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
if ((pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) &&
(pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE)) {
/*
* Now we need to check if the user selected Rx ONLY
* of pause frames. In this case, we had to advertise
* FULL flow control because we could not advertise RX
* ONLY. Hence, we must now check to see if we need to
* turn OFF the TRANSMISSION of PAUSE frames.
*/
if (hw->fc.requested_mode == ixgbe_fc_full) {
hw->fc.current_mode = ixgbe_fc_full;
hw_dbg(hw, "Flow Control = FULL.\n");
} else {
hw->fc.current_mode = ixgbe_fc_rx_pause;
hw_dbg(hw, "Flow Control=RX PAUSE only\n");
}
} else if (!(pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) &&
(pcs_anadv_reg & IXGBE_PCS1GANA_ASM_PAUSE) &&
(pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE) &&
(pcs_lpab_reg & IXGBE_PCS1GANA_ASM_PAUSE)) {
hw->fc.current_mode = ixgbe_fc_tx_pause;
hw_dbg(hw, "Flow Control = TX PAUSE frames only.\n");
} else if ((pcs_anadv_reg & IXGBE_PCS1GANA_SYM_PAUSE) &&
(pcs_anadv_reg & IXGBE_PCS1GANA_ASM_PAUSE) &&
!(pcs_lpab_reg & IXGBE_PCS1GANA_SYM_PAUSE) &&
(pcs_lpab_reg & IXGBE_PCS1GANA_ASM_PAUSE)) {
hw->fc.current_mode = ixgbe_fc_rx_pause;
hw_dbg(hw, "Flow Control = RX PAUSE frames only.\n");
} else {
hw->fc.current_mode = ixgbe_fc_none;
hw_dbg(hw, "Flow Control = NONE.\n");
}
}
autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
anlp1_reg = IXGBE_READ_REG(hw, IXGBE_ANLP1);
if (hw->phy.media_type == ixgbe_media_type_backplane) {
ret_val = ixgbe_negotiate_fc(hw, autoc_reg,
anlp1_reg, IXGBE_AUTOC_SYM_PAUSE, IXGBE_AUTOC_ASM_PAUSE,
IXGBE_ANLP1_SYM_PAUSE, IXGBE_ANLP1_ASM_PAUSE);
out:
return ret_val;
}
/**
* ixgbe_fc_autoneg_copper - Enable flow control IEEE clause 37
* @hw: pointer to hardware structure
*
* Enable flow control according to IEEE clause 37.
**/
static s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw)
{
u16 technology_ability_reg = 0;
u16 lp_technology_ability_reg = 0;
hw->phy.ops.read_reg(hw, MDIO_AN_ADVERTISE,
MDIO_MMD_AN,
&technology_ability_reg);
hw->phy.ops.read_reg(hw, MDIO_AN_LPA,
MDIO_MMD_AN,
&lp_technology_ability_reg);
return ixgbe_negotiate_fc(hw, (u32)technology_ability_reg,
(u32)lp_technology_ability_reg,
IXGBE_TAF_SYM_PAUSE, IXGBE_TAF_ASM_PAUSE,
IXGBE_TAF_SYM_PAUSE, IXGBE_TAF_ASM_PAUSE);
}
/**
* ixgbe_negotiate_fc - Negotiate flow control
* @hw: pointer to hardware structure
* @adv_reg: flow control advertised settings
* @lp_reg: link partner's flow control settings
* @adv_sym: symmetric pause bit in advertisement
* @adv_asm: asymmetric pause bit in advertisement
* @lp_sym: symmetric pause bit in link partner advertisement
* @lp_asm: asymmetric pause bit in link partner advertisement
*
* Find the intersection between advertised settings and link partner's
* advertised settings
**/
static s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm)
{
if ((!(adv_reg)) || (!(lp_reg)))
return IXGBE_ERR_FC_NOT_NEGOTIATED;
if ((adv_reg & adv_sym) && (lp_reg & lp_sym)) {
/*
* Read the 10g AN autoc and LP ability registers and resolve
* local flow control settings accordingly
* Now we need to check if the user selected Rx ONLY
* of pause frames. In this case, we had to advertise
* FULL flow control because we could not advertise RX
* ONLY. Hence, we must now check to see if we need to
* turn OFF the TRANSMISSION of PAUSE frames.
*/
autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
anlp1_reg = IXGBE_READ_REG(hw, IXGBE_ANLP1);
if ((autoc_reg & IXGBE_AUTOC_SYM_PAUSE) &&
(anlp1_reg & IXGBE_ANLP1_SYM_PAUSE)) {
/*
* Now we need to check if the user selected Rx ONLY
* of pause frames. In this case, we had to advertise
* FULL flow control because we could not advertise RX
* ONLY. Hence, we must now check to see if we need to
* turn OFF the TRANSMISSION of PAUSE frames.
*/
if (hw->fc.requested_mode == ixgbe_fc_full) {
hw->fc.current_mode = ixgbe_fc_full;
hw_dbg(hw, "Flow Control = FULL.\n");
} else {
hw->fc.current_mode = ixgbe_fc_rx_pause;
hw_dbg(hw, "Flow Control=RX PAUSE only\n");
}
} else if (!(autoc_reg & IXGBE_AUTOC_SYM_PAUSE) &&
(autoc_reg & IXGBE_AUTOC_ASM_PAUSE) &&
(anlp1_reg & IXGBE_ANLP1_SYM_PAUSE) &&
(anlp1_reg & IXGBE_ANLP1_ASM_PAUSE)) {
hw->fc.current_mode = ixgbe_fc_tx_pause;
hw_dbg(hw, "Flow Control = TX PAUSE frames only.\n");
} else if ((autoc_reg & IXGBE_AUTOC_SYM_PAUSE) &&
(autoc_reg & IXGBE_AUTOC_ASM_PAUSE) &&
!(anlp1_reg & IXGBE_ANLP1_SYM_PAUSE) &&
(anlp1_reg & IXGBE_ANLP1_ASM_PAUSE)) {
hw->fc.current_mode = ixgbe_fc_rx_pause;
hw_dbg(hw, "Flow Control = RX PAUSE frames only.\n");
if (hw->fc.requested_mode == ixgbe_fc_full) {
hw->fc.current_mode = ixgbe_fc_full;
hw_dbg(hw, "Flow Control = FULL.\n");
} else {
hw->fc.current_mode = ixgbe_fc_none;
hw_dbg(hw, "Flow Control = NONE.\n");
hw->fc.current_mode = ixgbe_fc_rx_pause;
hw_dbg(hw, "Flow Control=RX PAUSE frames only\n");
}
} else if (!(adv_reg & adv_sym) && (adv_reg & adv_asm) &&
(lp_reg & lp_sym) && (lp_reg & lp_asm)) {
hw->fc.current_mode = ixgbe_fc_tx_pause;
hw_dbg(hw, "Flow Control = TX PAUSE frames only.\n");
} else if ((adv_reg & adv_sym) && (adv_reg & adv_asm) &&
!(lp_reg & lp_sym) && (lp_reg & lp_asm)) {
hw->fc.current_mode = ixgbe_fc_rx_pause;
hw_dbg(hw, "Flow Control = RX PAUSE frames only.\n");
} else {
hw->fc.current_mode = ixgbe_fc_none;
hw_dbg(hw, "Flow Control = NONE.\n");
}
/* Record that current_mode is the result of a successful autoneg */
hw->fc.fc_was_autonegged = true;
out:
return ret_val;
return 0;
}
/**
......@@ -1819,7 +1901,8 @@ s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw)
static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
{
s32 ret_val = 0;
u32 reg;
u32 reg = 0, reg_bp = 0;
u16 reg_cu = 0;
#ifdef CONFIG_DCB
if (hw->fc.requested_mode == ixgbe_fc_pfc) {
......@@ -1827,7 +1910,7 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
goto out;
}
#endif
#endif /* CONFIG_DCB */
/* Validate the packetbuf configuration */
if (packetbuf_num < 0 || packetbuf_num > 7) {
hw_dbg(hw, "Invalid packet buffer number [%d], expected range "
......@@ -1865,11 +1948,26 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
hw->fc.requested_mode = ixgbe_fc_full;
/*
* Set up the 1G flow control advertisement registers so the HW will be
* able to do fc autoneg once the cable is plugged in. If we end up
* using 10g instead, this is harmless.
* Set up the 1G and 10G flow control advertisement registers so the
* HW will be able to do fc autoneg once the cable is plugged in. If
* we link at 10G, the 1G advertisement is harmless and vice versa.
*/
reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
switch (hw->phy.media_type) {
case ixgbe_media_type_fiber:
case ixgbe_media_type_backplane:
reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
reg_bp = IXGBE_READ_REG(hw, IXGBE_AUTOC);
break;
case ixgbe_media_type_copper:
hw->phy.ops.read_reg(hw, MDIO_AN_ADVERTISE,
MDIO_MMD_AN, &reg_cu);
break;
default:
;
}
/*
* The possible values of fc.requested_mode are:
......@@ -1888,6 +1986,11 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
case ixgbe_fc_none:
/* Flow control completely disabled by software override. */
reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE);
if (hw->phy.media_type == ixgbe_media_type_backplane)
reg_bp &= ~(IXGBE_AUTOC_SYM_PAUSE |
IXGBE_AUTOC_ASM_PAUSE);
else if (hw->phy.media_type == ixgbe_media_type_copper)
reg_cu &= ~(IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE);
break;
case ixgbe_fc_rx_pause:
/*
......@@ -1899,6 +2002,11 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
* disable the adapter's ability to send PAUSE frames.
*/
reg |= (IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE);
if (hw->phy.media_type == ixgbe_media_type_backplane)
reg_bp |= (IXGBE_AUTOC_SYM_PAUSE |
IXGBE_AUTOC_ASM_PAUSE);
else if (hw->phy.media_type == ixgbe_media_type_copper)
reg_cu |= (IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE);
break;
case ixgbe_fc_tx_pause:
/*
......@@ -1907,10 +2015,22 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
*/
reg |= (IXGBE_PCS1GANA_ASM_PAUSE);
reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE);
if (hw->phy.media_type == ixgbe_media_type_backplane) {
reg_bp |= (IXGBE_AUTOC_ASM_PAUSE);
reg_bp &= ~(IXGBE_AUTOC_SYM_PAUSE);
} else if (hw->phy.media_type == ixgbe_media_type_copper) {
reg_cu |= (IXGBE_TAF_ASM_PAUSE);
reg_cu &= ~(IXGBE_TAF_SYM_PAUSE);
}
break;
case ixgbe_fc_full:
/* Flow control (both Rx and Tx) is enabled by SW override. */
reg |= (IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE);
if (hw->phy.media_type == ixgbe_media_type_backplane)
reg_bp |= (IXGBE_AUTOC_SYM_PAUSE |
IXGBE_AUTOC_ASM_PAUSE);
else if (hw->phy.media_type == ixgbe_media_type_copper)
reg_cu |= (IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE);
break;
#ifdef CONFIG_DCB
case ixgbe_fc_pfc:
......@@ -1924,80 +2044,37 @@ static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
break;
}
IXGBE_WRITE_REG(hw, IXGBE_PCS1GANA, reg);
reg = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
/* Disable AN timeout */
if (hw->fc.strict_ieee)
reg &= ~IXGBE_PCS1GLCTL_AN_1G_TIMEOUT_EN;
if (hw->mac.type != ixgbe_mac_X540) {
/*
* Enable auto-negotiation between the MAC & PHY;
* the MAC will advertise clause 37 flow control.
*/
IXGBE_WRITE_REG(hw, IXGBE_PCS1GANA, reg);
reg = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
IXGBE_WRITE_REG(hw, IXGBE_PCS1GLCTL, reg);
hw_dbg(hw, "Set up FC; PCS1GLCTL = 0x%08X\n", reg);
/* Disable AN timeout */
if (hw->fc.strict_ieee)
reg &= ~IXGBE_PCS1GLCTL_AN_1G_TIMEOUT_EN;
/*
* Set up the 10G flow control advertisement registers so the HW
* can do fc autoneg once the cable is plugged in. If we end up
* using 1g instead, this is harmless.
*/
reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
IXGBE_WRITE_REG(hw, IXGBE_PCS1GLCTL, reg);
hw_dbg(hw, "Set up FC; PCS1GLCTL = 0x%08X\n", reg);
}
/*
* The possible values of fc.requested_mode are:
* 0: Flow control is completely disabled
* 1: Rx flow control is enabled (we can receive pause frames,
* but not send pause frames).
* 2: Tx flow control is enabled (we can send pause frames but
* we do not support receiving pause frames).
* 3: Both Rx and Tx flow control (symmetric) are enabled.
* other: Invalid.
* AUTOC restart handles negotiation of 1G and 10G on backplane
* and copper. There is no need to set the PCS1GCTL register.
*
*/
switch (hw->fc.requested_mode) {
case ixgbe_fc_none:
/* Flow control completely disabled by software override. */
reg &= ~(IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE);
break;
case ixgbe_fc_rx_pause:
/*
* Rx Flow control is enabled and Tx Flow control is
* disabled by software override. Since there really
* isn't a way to advertise that we are capable of RX
* Pause ONLY, we will advertise that we support both
* symmetric and asymmetric Rx PAUSE. Later, we will
* disable the adapter's ability to send PAUSE frames.
*/
reg |= (IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE);
break;
case ixgbe_fc_tx_pause:
/*
* Tx Flow control is enabled, and Rx Flow control is
* disabled by software override.
*/
reg |= (IXGBE_AUTOC_ASM_PAUSE);
reg &= ~(IXGBE_AUTOC_SYM_PAUSE);
break;
case ixgbe_fc_full:
/* Flow control (both Rx and Tx) is enabled by SW override. */
reg |= (IXGBE_AUTOC_SYM_PAUSE | IXGBE_AUTOC_ASM_PAUSE);
break;
#ifdef CONFIG_DCB
case ixgbe_fc_pfc:
goto out;
break;
#endif /* CONFIG_DCB */
default:
hw_dbg(hw, "Flow control param set incorrectly\n");
ret_val = IXGBE_ERR_CONFIG;
goto out;
break;
if (hw->phy.media_type == ixgbe_media_type_backplane) {
reg_bp |= IXGBE_AUTOC_AN_RESTART;
IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_bp);
} else if ((hw->phy.media_type == ixgbe_media_type_copper) &&
(ixgbe_device_supports_autoneg_fc(hw) == 0)) {
hw->phy.ops.write_reg(hw, MDIO_AN_ADVERTISE,
MDIO_MMD_AN, reg_cu);
}
/*
* AUTOC restart handles negotiation of 1G and 10G. There is
* no need to set the PCS1GCTL register.
*/
reg |= IXGBE_AUTOC_AN_RESTART;
IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg);
hw_dbg(hw, "Set up FC; IXGBE_AUTOC = 0x%08X\n", reg);
hw_dbg(hw, "Set up FC; IXGBE_AUTOC = 0x%08X\n", reg);
out:
return ret_val;
}
......@@ -2085,7 +2162,7 @@ s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
* @hw: pointer to hardware structure
* @mask: Mask to specify which semaphore to acquire
*
* Acquires the SWFW semaphore thought the GSSR register for the specified
* Acquires the SWFW semaphore through the GSSR register for the specified
* function (CSR, PHY0, PHY1, EEPROM, Flash)
**/
s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask)
......@@ -2133,7 +2210,7 @@ s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask)
* @hw: pointer to hardware structure
* @mask: Mask to specify which semaphore to release
*
* Releases the SWFW semaphore thought the GSSR register for the specified
* Releases the SWFW semaphore through the GSSR register for the specified
* function (CSR, PHY0, PHY1, EEPROM, Flash)
**/
void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask)
......@@ -2721,6 +2798,28 @@ s32 ixgbe_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix,
return 0;
}
/**
* ixgbe_device_supports_autoneg_fc - Check if phy supports autoneg flow
* control
* @hw: pointer to hardware structure
*
* There are several phys that do not support autoneg flow control. This
* function check the device id to see if the associated phy supports
* autoneg flow control.
**/
static s32 ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
{
switch (hw->device_id) {
case IXGBE_DEV_ID_X540T:
return 0;
case IXGBE_DEV_ID_82599_T3_LOM:
return 0;
default:
return IXGBE_ERR_FC_NOT_SUPPORTED;
}
}
/**
* ixgbe_set_mac_anti_spoofing - Enable/Disable MAC anti-spoofing
* @hw: pointer to hardware structure
......
drivers/net/ixgbe/ixgbe_ethtool.c
View file @ bf745e88
......@@ -161,29 +161,25 @@ static int ixgbe_get_settings(struct net_device *netdev,
}
ecmd->advertising = ADVERTISED_Autoneg;
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
ecmd->advertising |= ADVERTISED_100baseT_Full;
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
ecmd->advertising |= ADVERTISED_10000baseT_Full;
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
ecmd->advertising |= ADVERTISED_1000baseT_Full;
/*
* It's possible that phy.autoneg_advertised may not be
* set yet. If so display what the default would be -
* both 1G and 10G supported.
*/
if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
ADVERTISED_10000baseT_Full)))
if (hw->phy.autoneg_advertised) {
if (hw->phy.autoneg_advertised &
IXGBE_LINK_SPEED_100_FULL)
ecmd->advertising |= ADVERTISED_100baseT_Full;
if (hw->phy.autoneg_advertised &
IXGBE_LINK_SPEED_10GB_FULL)
ecmd->advertising |= ADVERTISED_10000baseT_Full;
if (hw->phy.autoneg_advertised &
IXGBE_LINK_SPEED_1GB_FULL)
ecmd->advertising |= ADVERTISED_1000baseT_Full;
} else {
/*
* Default advertised modes in case
* phy.autoneg_advertised isn't set.
*/
ecmd->advertising |= (ADVERTISED_10000baseT_Full |
ADVERTISED_1000baseT_Full);
switch (hw->mac.type) {
case ixgbe_mac_X540:
if (!(ecmd->advertising & ADVERTISED_100baseT_Full))
ecmd->advertising |= (ADVERTISED_100baseT_Full);
break;
default:
break;
if (hw->mac.type == ixgbe_mac_X540)
ecmd->advertising |= ADVERTISED_100baseT_Full;
}
if (hw->phy.media_type == ixgbe_media_type_copper) {
......@@ -336,6 +332,9 @@ static int ixgbe_set_settings(struct net_device *netdev,
if (ecmd->advertising & ADVERTISED_1000baseT_Full)
advertised |= IXGBE_LINK_SPEED_1GB_FULL;
if (ecmd->advertising & ADVERTISED_100baseT_Full)
advertised |= IXGBE_LINK_SPEED_100_FULL;
if (old == advertised)
return err;
/* this sets the link speed and restarts auto-neg */
......
drivers/net/ixgbe/ixgbe_fcoe.c
View file @ bf745e88
......@@ -135,22 +135,19 @@ int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid)
return len;
}
/**
* ixgbe_fcoe_ddp_get - called to set up ddp context
* ixgbe_fcoe_ddp_setup - called to set up ddp context
* @netdev: the corresponding net_device
* @xid: the exchange id requesting ddp
* @sgl: the scatter-gather list for this request
* @sgc: the number of scatter-gather items
*
* This is the implementation of net_device_ops.ndo_fcoe_ddp_setup
* and is expected to be called from ULD, e.g., FCP layer of libfc
* to set up ddp for the corresponding xid of the given sglist for
* the corresponding I/O.
*
* Returns : 1 for success and 0 for no ddp
*/
int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
struct scatterlist *sgl, unsigned int sgc)
static int ixgbe_fcoe_ddp_setup(struct net_device *netdev, u16 xid,
struct scatterlist *sgl, unsigned int sgc,
int target_mode)
{
struct ixgbe_adapter *adapter;
struct ixgbe_hw *hw;
......@@ -164,7 +161,7 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
unsigned int lastsize;
unsigned int thisoff = 0;
unsigned int thislen = 0;
u32 fcbuff, fcdmarw, fcfltrw;
u32 fcbuff, fcdmarw, fcfltrw, fcrxctl;
dma_addr_t addr = 0;
if (!netdev || !sgl)
......@@ -275,6 +272,9 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
fcbuff = (IXGBE_FCBUFF_4KB << IXGBE_FCBUFF_BUFFSIZE_SHIFT);
fcbuff |= ((j & 0xff) << IXGBE_FCBUFF_BUFFCNT_SHIFT);
fcbuff |= (firstoff << IXGBE_FCBUFF_OFFSET_SHIFT);
/* Set WRCONTX bit to allow DDP for target */
if (target_mode)
fcbuff |= (IXGBE_FCBUFF_WRCONTX);
fcbuff |= (IXGBE_FCBUFF_VALID);
fcdmarw = xid;
......@@ -287,6 +287,16 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
/* program DMA context */
hw = &adapter->hw;
spin_lock_bh(&fcoe->lock);
/* turn on last frame indication for target mode as FCP_RSPtarget is
* supposed to send FCP_RSP when it is done. */
if (target_mode && !test_bit(__IXGBE_FCOE_TARGET, &fcoe->mode)) {
set_bit(__IXGBE_FCOE_TARGET, &fcoe->mode);
fcrxctl = IXGBE_READ_REG(hw, IXGBE_FCRXCTRL);
fcrxctl |= IXGBE_FCRXCTRL_LASTSEQH;
IXGBE_WRITE_REG(hw, IXGBE_FCRXCTRL, fcrxctl);
}
IXGBE_WRITE_REG(hw, IXGBE_FCPTRL, ddp->udp & DMA_BIT_MASK(32));
IXGBE_WRITE_REG(hw, IXGBE_FCPTRH, (u64)ddp->udp >> 32);
IXGBE_WRITE_REG(hw, IXGBE_FCBUFF, fcbuff);
......@@ -295,6 +305,7 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
IXGBE_WRITE_REG(hw, IXGBE_FCPARAM, 0);
IXGBE_WRITE_REG(hw, IXGBE_FCFLT, IXGBE_FCFLT_VALID);
IXGBE_WRITE_REG(hw, IXGBE_FCFLTRW, fcfltrw);
spin_unlock_bh(&fcoe->lock);
return 1;
......@@ -308,6 +319,47 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
return 0;
}
/**
* ixgbe_fcoe_ddp_get - called to set up ddp context in initiator mode
* @netdev: the corresponding net_device
* @xid: the exchange id requesting ddp
* @sgl: the scatter-gather list for this request
* @sgc: the number of scatter-gather items
*
* This is the implementation of net_device_ops.ndo_fcoe_ddp_setup
* and is expected to be called from ULD, e.g., FCP layer of libfc
* to set up ddp for the corresponding xid of the given sglist for
* the corresponding I/O.
*
* Returns : 1 for success and 0 for no ddp
*/
int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
struct scatterlist *sgl, unsigned int sgc)
{
return ixgbe_fcoe_ddp_setup(netdev, xid, sgl, sgc, 0);
}
/**
* ixgbe_fcoe_ddp_target - called to set up ddp context in target mode
* @netdev: the corresponding net_device
* @xid: the exchange id requesting ddp
* @sgl: the scatter-gather list for this request
* @sgc: the number of scatter-gather items
*
* This is the implementation of net_device_ops.ndo_fcoe_ddp_target
* and is expected to be called from ULD, e.g., FCP layer of libfc
* to set up ddp for the corresponding xid of the given sglist for
* the corresponding I/O. The DDP in target mode is a write I/O request
* from the initiator.
*
* Returns : 1 for success and 0 for no ddp
*/
int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid,
struct scatterlist *sgl, unsigned int sgc)
{
return ixgbe_fcoe_ddp_setup(netdev, xid, sgl, sgc, 1);
}
/**
* ixgbe_fcoe_ddp - check ddp status and mark it done
* @adapter: ixgbe adapter
......@@ -331,6 +383,7 @@ int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
struct ixgbe_fcoe *fcoe;
struct ixgbe_fcoe_ddp *ddp;
struct fc_frame_header *fh;
struct fcoe_crc_eof *crc;
if (!ixgbe_rx_is_fcoe(rx_desc))
goto ddp_out;
......@@ -384,7 +437,18 @@ int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
else if (ddp->len)
rc = ddp->len;
}
/* In target mode, check the last data frame of the sequence.
* For DDP in target mode, data is already DDPed but the header
* indication of the last data frame ould allow is to tell if we
* got all the data and the ULP can send FCP_RSP back, as this is
* not a full fcoe frame, we fill the trailer here so it won't be
* dropped by the ULP stack.
*/
if ((fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA) &&
(fctl & FC_FC_END_SEQ)) {
crc = (struct fcoe_crc_eof *)skb_put(skb, sizeof(*crc));
crc->fcoe_eof = FC_EOF_T;
}
ddp_out:
return rc;
}
......@@ -840,5 +904,3 @@ int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type)
}
return rc;
}
drivers/net/ixgbe/ixgbe_fcoe.h
View file @ bf745e88
......@@ -52,6 +52,9 @@
/* fcerr */
#define IXGBE_FCERR_BADCRC 0x00100000
/* FCoE DDP for target mode */
#define __IXGBE_FCOE_TARGET 1
struct ixgbe_fcoe_ddp {
int len;
u32 err;
......@@ -66,6 +69,7 @@ struct ixgbe_fcoe {
u8 tc;
u8 up;
#endif
unsigned long mode;
atomic_t refcnt;
spinlock_t lock;
struct pci_pool *pool;
......
drivers/net/ixgbe/ixgbe_main.c
View file @ bf745e88
......@@ -3775,7 +3775,8 @@ static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw)
if (ret)
goto link_cfg_out;
if (hw->mac.ops.get_link_capabilities)
autoneg = hw->phy.autoneg_advertised;
if ((!autoneg) && (hw->mac.ops.get_link_capabilities))
ret = hw->mac.ops.get_link_capabilities(hw, &autoneg,
&negotiation);
if (ret)
......@@ -7019,6 +7020,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
#endif
#ifdef IXGBE_FCOE
.ndo_fcoe_ddp_setup = ixgbe_fcoe_ddp_get,
.ndo_fcoe_ddp_target = ixgbe_fcoe_ddp_target,
.ndo_fcoe_ddp_done = ixgbe_fcoe_ddp_put,
.ndo_fcoe_enable = ixgbe_fcoe_enable,
.ndo_fcoe_disable = ixgbe_fcoe_disable,
......
drivers/net/ixgbe/ixgbe_mbx.c
View file @ bf745e88
......@@ -448,23 +448,20 @@ void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
switch (hw->mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
mbx->timeout = 0;
mbx->usec_delay = 0;
if (hw->mac.type != ixgbe_mac_82599EB &&
hw->mac.type != ixgbe_mac_X540)
return;
mbx->size = IXGBE_VFMAILBOX_SIZE;
mbx->timeout = 0;
mbx->udelay = 0;
mbx->stats.msgs_tx = 0;
mbx->stats.msgs_rx = 0;
mbx->stats.reqs = 0;
mbx->stats.acks = 0;
mbx->stats.rsts = 0;
break;
default:
break;
}
mbx->stats.msgs_tx = 0;
mbx->stats.msgs_rx = 0;
mbx->stats.reqs = 0;
mbx->stats.acks = 0;
mbx->stats.rsts = 0;
mbx->size = IXGBE_VFMAILBOX_SIZE;
}
#endif /* CONFIG_PCI_IOV */
......
drivers/net/ixgbe/ixgbe_phy.c
View file @ bf745e88
......@@ -57,6 +57,7 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
{
s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
u32 phy_addr;
u16 ext_ability = 0;
if (hw->phy.type == ixgbe_phy_unknown) {
for (phy_addr = 0; phy_addr < IXGBE_MAX_PHY_ADDR; phy_addr++) {
......@@ -65,12 +66,29 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
ixgbe_get_phy_id(hw);
hw->phy.type =
ixgbe_get_phy_type_from_id(hw->phy.id);
if (hw->phy.type == ixgbe_phy_unknown) {
hw->phy.ops.read_reg(hw,
MDIO_PMA_EXTABLE,
MDIO_MMD_PMAPMD,
&ext_ability);
if (ext_ability &
(MDIO_PMA_EXTABLE_10GBT |
MDIO_PMA_EXTABLE_1000BT))
hw->phy.type =
ixgbe_phy_cu_unknown;
else
hw->phy.type =
ixgbe_phy_generic;
}
status = 0;
break;
}
}
/* clear value if nothing found */
hw->phy.mdio.prtad = 0;
if (status != 0)
hw->phy.mdio.prtad = 0;
} else {
status = 0;
}
......@@ -823,7 +841,6 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
goto out;
}
/* This is guaranteed to be 82599, no need to check for NULL */
hw->mac.ops.get_device_caps(hw, &enforce_sfp);
if (!(enforce_sfp & IXGBE_DEVICE_CAPS_ALLOW_ANY_SFP) &&
!((hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core0) ||
......
drivers/net/ixgbe/ixgbe_phy.h
View file @ bf745e88
......@@ -58,6 +58,10 @@
#define IXGBE_I2C_EEPROM_STATUS_FAIL 0x2
#define IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS 0x3
/* Flow control defines */
#define IXGBE_TAF_SYM_PAUSE 0x400
#define IXGBE_TAF_ASM_PAUSE 0x800
/* Bit-shift macros */
#define IXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT 24
#define IXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT 16
......
drivers/net/ixgbe/ixgbe_type.h
View file @ bf745e88
......@@ -659,6 +659,8 @@
#define IXGBE_QPTC(_i) (0x06030 + ((_i) * 0x40)) /* 16 of these */
#define IXGBE_QBRC(_i) (0x01034 + ((_i) * 0x40)) /* 16 of these */
#define IXGBE_QBTC(_i) (0x06034 + ((_i) * 0x40)) /* 16 of these */
#define IXGBE_QBRC_L(_i) (0x01034 + ((_i) * 0x40)) /* 16 of these */
#define IXGBE_QBRC_H(_i) (0x01038 + ((_i) * 0x40)) /* 16 of these */
#define IXGBE_QPRDC(_i) (0x01430 + ((_i) * 0x40)) /* 16 of these */
#define IXGBE_QBTC_L(_i) (0x08700 + ((_i) * 0x8)) /* 16 of these */
#define IXGBE_QBTC_H(_i) (0x08704 + ((_i) * 0x8)) /* 16 of these */
......@@ -669,6 +671,11 @@
#define IXGBE_FCOEDWRC 0x0242C /* Number of FCoE DWords Received */
#define IXGBE_FCOEPTC 0x08784 /* Number of FCoE Packets Transmitted */
#define IXGBE_FCOEDWTC 0x08788 /* Number of FCoE DWords Transmitted */
#define IXGBE_PCRC8ECL 0x0E810
#define IXGBE_PCRC8ECH 0x0E811
#define IXGBE_PCRC8ECH_MASK 0x1F
#define IXGBE_LDPCECL 0x0E820
#define IXGBE_LDPCECH 0x0E821
/* Management */
#define IXGBE_MAVTV(_i) (0x05010 + ((_i) * 4)) /* 8 of these (0-7) */
......@@ -2691,6 +2698,9 @@ struct ixgbe_info {
#define IXGBE_ERR_EEPROM_VERSION -24
#define IXGBE_ERR_NO_SPACE -25
#define IXGBE_ERR_OVERTEMP -26
#define IXGBE_ERR_FC_NOT_NEGOTIATED -27
#define IXGBE_ERR_FC_NOT_SUPPORTED -28
#define IXGBE_ERR_FLOW_CONTROL -29
#define IXGBE_ERR_SFP_SETUP_NOT_COMPLETE -30
#define IXGBE_ERR_PBA_SECTION -31
#define IXGBE_ERR_INVALID_ARGUMENT -32
......
drivers/net/ixgbe/ixgbe_x540.c
View file @ bf745e88
......@@ -251,8 +251,11 @@ static u32 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw)
}
/**
* ixgbe_init_eeprom_params_X540 - Initialize EEPROM params
* @hw: pointer to hardware structure
* ixgbe_init_eeprom_params_X540 - Initialize EEPROM params
* @hw: pointer to hardware structure
*
* Initializes the EEPROM parameters ixgbe_eeprom_info within the
* ixgbe_hw struct in order to set up EEPROM access.
**/
static s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw)
{
......@@ -271,7 +274,7 @@ static s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw)
IXGBE_EEPROM_WORD_SIZE_SHIFT);
hw_dbg(hw, "Eeprom params: type = %d, size = %d\n",
eeprom->type, eeprom->word_size);
eeprom->type, eeprom->word_size);
}
return 0;
......
include/linux/netdevice.h
View file @ bf745e88
......@@ -871,6 +871,10 @@ struct net_device_ops {
unsigned int sgc);
int (*ndo_fcoe_ddp_done)(struct net_device *dev,
u16 xid);
int (*ndo_fcoe_ddp_target)(struct net_device *dev,
u16 xid,
struct scatterlist *sgl,
unsigned int sgc);
#define NETDEV_FCOE_WWNN 0
#define NETDEV_FCOE_WWPN 1
int (*ndo_fcoe_get_wwn)(struct net_device *dev,
......
net/8021q/vlan_dev.c
View file @ bf745e88
......@@ -625,6 +625,19 @@ static int vlan_dev_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type)
rc = ops->ndo_fcoe_get_wwn(real_dev, wwn, type);
return rc;
}
static int vlan_dev_fcoe_ddp_target(struct net_device *dev, u16 xid,
struct scatterlist *sgl, unsigned int sgc)
{
struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
const struct net_device_ops *ops = real_dev->netdev_ops;
int rc = 0;
if (ops->ndo_fcoe_ddp_target)
rc = ops->ndo_fcoe_ddp_target(real_dev, xid, sgl, sgc);
return rc;
}
#endif
static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
......@@ -858,6 +871,7 @@ static const struct net_device_ops vlan_netdev_ops = {
.ndo_fcoe_enable = vlan_dev_fcoe_enable,
.ndo_fcoe_disable = vlan_dev_fcoe_disable,
.ndo_fcoe_get_wwn = vlan_dev_fcoe_get_wwn,
.ndo_fcoe_ddp_target = vlan_dev_fcoe_ddp_target,
#endif
};
......
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