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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/jkirsher/net-next-2.6

This commit is contained in:
David S. Miller 2010-11-17 09:56:04 -08:00
parent 9d1e5e40d6 147b2c8cb4
commit a1082bfe7d
43 changed files with 2579 additions and 1272 deletions
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143
drivers/net/e1000e/82571.c
View File

@ -74,6 +74,9 @@ static bool e1000_check_mng_mode_82574(struct e1000_hw *hw);
static s32 e1000_led_on_82574(struct e1000_hw *hw);
static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw);
static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw);
static void e1000_put_hw_semaphore_82573(struct e1000_hw *hw);
static s32 e1000_get_hw_semaphore_82574(struct e1000_hw *hw);
static void e1000_put_hw_semaphore_82574(struct e1000_hw *hw);
/**
* e1000_init_phy_params_82571 - Init PHY func ptrs.
@ -107,6 +110,8 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
case e1000_82574:
case e1000_82583:
phy->type = e1000_phy_bm;
phy->ops.acquire = e1000_get_hw_semaphore_82574;
phy->ops.release = e1000_put_hw_semaphore_82574;
break;
default:
return -E1000_ERR_PHY;
@ -200,6 +205,17 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
break;
}
/* Function Pointers */
switch (hw->mac.type) {
case e1000_82574:
case e1000_82583:
nvm->ops.acquire = e1000_get_hw_semaphore_82574;
nvm->ops.release = e1000_put_hw_semaphore_82574;
break;
default:
break;
}
return 0;
}
@ -542,6 +558,94 @@ static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw)
swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI);
ew32(SWSM, swsm);
}
/**
* e1000_get_hw_semaphore_82573 - Acquire hardware semaphore
* @hw: pointer to the HW structure
*
* Acquire the HW semaphore during reset.
*
**/
static s32 e1000_get_hw_semaphore_82573(struct e1000_hw *hw)
{
u32 extcnf_ctrl;
s32 ret_val = 0;
s32 i = 0;
extcnf_ctrl = er32(EXTCNF_CTRL);
extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
do {
ew32(EXTCNF_CTRL, extcnf_ctrl);
extcnf_ctrl = er32(EXTCNF_CTRL);
if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP)
break;
extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
msleep(2);
i++;
} while (i < MDIO_OWNERSHIP_TIMEOUT);
if (i == MDIO_OWNERSHIP_TIMEOUT) {
/* Release semaphores */
e1000_put_hw_semaphore_82573(hw);
e_dbg("Driver can't access the PHY\n");
ret_val = -E1000_ERR_PHY;
goto out;
}
out:
return ret_val;
}
/**
* e1000_put_hw_semaphore_82573 - Release hardware semaphore
* @hw: pointer to the HW structure
*
* Release hardware semaphore used during reset.
*
**/
static void e1000_put_hw_semaphore_82573(struct e1000_hw *hw)
{
u32 extcnf_ctrl;
extcnf_ctrl = er32(EXTCNF_CTRL);
extcnf_ctrl &= ~E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
ew32(EXTCNF_CTRL, extcnf_ctrl);
}
static DEFINE_MUTEX(swflag_mutex);
/**
* e1000_get_hw_semaphore_82574 - Acquire hardware semaphore
* @hw: pointer to the HW structure
*
* Acquire the HW semaphore to access the PHY or NVM.
*
**/
static s32 e1000_get_hw_semaphore_82574(struct e1000_hw *hw)
{
s32 ret_val;
mutex_lock(&swflag_mutex);
ret_val = e1000_get_hw_semaphore_82573(hw);
if (ret_val)
mutex_unlock(&swflag_mutex);
return ret_val;
}
/**
* e1000_put_hw_semaphore_82574 - Release hardware semaphore
* @hw: pointer to the HW structure
*
* Release hardware semaphore used to access the PHY or NVM
*
**/
static void e1000_put_hw_semaphore_82574(struct e1000_hw *hw)
{
e1000_put_hw_semaphore_82573(hw);
mutex_unlock(&swflag_mutex);
}
/**
* e1000_acquire_nvm_82571 - Request for access to the EEPROM
@ -562,8 +666,6 @@ static s32 e1000_acquire_nvm_82571(struct e1000_hw *hw)
switch (hw->mac.type) {
case e1000_82573:
case e1000_82574:
case e1000_82583:
break;
default:
ret_val = e1000e_acquire_nvm(hw);
@ -853,9 +955,8 @@ static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active)
**/
static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
{
u32 ctrl, extcnf_ctrl, ctrl_ext, icr;
u32 ctrl, ctrl_ext, icr;
s32 ret_val;
u16 i = 0;
/*
* Prevent the PCI-E bus from sticking if there is no TLP connection
@ -880,33 +981,33 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
*/
switch (hw->mac.type) {
case e1000_82573:
ret_val = e1000_get_hw_semaphore_82573(hw);
break;
case e1000_82574:
case e1000_82583:
extcnf_ctrl = er32(EXTCNF_CTRL);
extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
do {
ew32(EXTCNF_CTRL, extcnf_ctrl);
extcnf_ctrl = er32(EXTCNF_CTRL);
if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP)
break;
extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
msleep(2);
i++;
} while (i < MDIO_OWNERSHIP_TIMEOUT);
ret_val = e1000_get_hw_semaphore_82574(hw);
break;
default:
break;
}
if (ret_val)
e_dbg("Cannot acquire MDIO ownership\n");
ctrl = er32(CTRL);
e_dbg("Issuing a global reset to MAC\n");
ew32(CTRL, ctrl | E1000_CTRL_RST);
/* Must release MDIO ownership and mutex after MAC reset. */
switch (hw->mac.type) {
case e1000_82574:
case e1000_82583:
e1000_put_hw_semaphore_82574(hw);
break;
default:
break;
}
if (hw->nvm.type == e1000_nvm_flash_hw) {
udelay(10);
ctrl_ext = er32(CTRL_EXT);
@ -1431,8 +1532,10 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
* auto-negotiation in the TXCW register and disable
* forced link in the Device Control register in an
* attempt to auto-negotiate with our link partner.
* If the partner code word is null, stop forcing
* and restart auto negotiation.
*/
if (rxcw & E1000_RXCW_C) {
if ((rxcw & E1000_RXCW_C) || !(rxcw & E1000_RXCW_CW)) {
/* Enable autoneg, and unforce link up */
ew32(TXCW, mac->txcw);
ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));

1
drivers/net/e1000e/defines.h
View File

@ -516,6 +516,7 @@
#define E1000_TXCW_ANE 0x80000000 /* Auto-neg enable */
/* Receive Configuration Word */
#define E1000_RXCW_CW 0x0000ffff /* RxConfigWord mask */
#define E1000_RXCW_IV 0x08000000 /* Receive config invalid */
#define E1000_RXCW_C 0x20000000 /* Receive config */
#define E1000_RXCW_SYNCH 0x40000000 /* Receive config synch */

49
drivers/net/e1000e/netdev.c
View File

@ -5465,6 +5465,36 @@ static void e1000_shutdown(struct pci_dev *pdev)
}
#ifdef CONFIG_NET_POLL_CONTROLLER
static irqreturn_t e1000_intr_msix(int irq, void *data)
{
struct net_device *netdev = data;
struct e1000_adapter *adapter = netdev_priv(netdev);
int vector, msix_irq;
if (adapter->msix_entries) {
vector = 0;
msix_irq = adapter->msix_entries[vector].vector;
disable_irq(msix_irq);
e1000_intr_msix_rx(msix_irq, netdev);
enable_irq(msix_irq);
vector++;
msix_irq = adapter->msix_entries[vector].vector;
disable_irq(msix_irq);
e1000_intr_msix_tx(msix_irq, netdev);
enable_irq(msix_irq);
vector++;
msix_irq = adapter->msix_entries[vector].vector;
disable_irq(msix_irq);
e1000_msix_other(msix_irq, netdev);
enable_irq(msix_irq);
}
return IRQ_HANDLED;
}
/*
* Polling 'interrupt' - used by things like netconsole to send skbs
* without having to re-enable interrupts. It's not called while
@ -5474,10 +5504,21 @@ static void e1000_netpoll(struct net_device *netdev)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
disable_irq(adapter->pdev->irq);
e1000_intr(adapter->pdev->irq, netdev);
enable_irq(adapter->pdev->irq);
switch (adapter->int_mode) {
case E1000E_INT_MODE_MSIX:
e1000_intr_msix(adapter->pdev->irq, netdev);
break;
case E1000E_INT_MODE_MSI:
disable_irq(adapter->pdev->irq);
e1000_intr_msi(adapter->pdev->irq, netdev);
enable_irq(adapter->pdev->irq);
break;
default: /* E1000E_INT_MODE_LEGACY */
disable_irq(adapter->pdev->irq);
e1000_intr(adapter->pdev->irq, netdev);
enable_irq(adapter->pdev->irq);
break;
}
}
#endif

2
drivers/net/igbvf/Makefile
View File

@ -1,7 +1,7 @@
################################################################################
#
# Intel(R) 82576 Virtual Function Linux driver
# Copyright(c) 2009 Intel Corporation.
# Copyright(c) 2009 - 2010 Intel Corporation.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,

2
drivers/net/igbvf/defines.h
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
Copyright(c) 1999 - 2009 Intel Corporation.
Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

2
drivers/net/igbvf/ethtool.c
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
Copyright(c) 2009 Intel Corporation.
Copyright(c) 2009 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

3
drivers/net/igbvf/igbvf.h
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
Copyright(c) 2009 Intel Corporation.
Copyright(c) 2009 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@ -126,7 +126,6 @@ struct igbvf_buffer {
unsigned int page_offset;
};
};
struct page *page;
};
union igbvf_desc {

2
drivers/net/igbvf/mbx.c
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
Copyright(c) 2009 Intel Corporation.
Copyright(c) 2009 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

2
drivers/net/igbvf/mbx.h
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
Copyright(c) 1999 - 2009 Intel Corporation.
Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

11
drivers/net/igbvf/netdev.c
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
Copyright(c) 2009 Intel Corporation.
Copyright(c) 2009 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@ -44,12 +44,13 @@
#include "igbvf.h"
#define DRV_VERSION "1.0.0-k0"
#define DRV_VERSION "1.0.8-k0"
char igbvf_driver_name[] = "igbvf";
const char igbvf_driver_version[] = DRV_VERSION;
static const char igbvf_driver_string[] =
"Intel(R) Virtual Function Network Driver";
static const char igbvf_copyright[] = "Copyright (c) 2009 Intel Corporation.";
static const char igbvf_copyright[] =
"Copyright (c) 2009 - 2010 Intel Corporation.";
static int igbvf_poll(struct napi_struct *napi, int budget);
static void igbvf_reset(struct igbvf_adapter *);
@ -1851,8 +1852,6 @@ static void igbvf_watchdog_task(struct work_struct *work)
if (link) {
if (!netif_carrier_ok(netdev)) {
bool txb2b = 1;
mac->ops.get_link_up_info(&adapter->hw,
&adapter->link_speed,
&adapter->link_duplex);
@ -1862,11 +1861,9 @@ static void igbvf_watchdog_task(struct work_struct *work)
adapter->tx_timeout_factor = 1;
switch (adapter->link_speed) {
case SPEED_10:
txb2b = 0;
adapter->tx_timeout_factor = 16;
break;
case SPEED_100:
txb2b = 0;
/* maybe add some timeout factor ? */
break;
}

2
drivers/net/igbvf/regs.h
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
Copyright(c) 2009 Intel Corporation.
Copyright(c) 2009 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

2
drivers/net/igbvf/vf.c
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
Copyright(c) 2009 Intel Corporation.
Copyright(c) 2009 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

2
drivers/net/igbvf/vf.h
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
Copyright(c) 2009 Intel Corporation.
Copyright(c) 2009 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

2
drivers/net/ixgbe/Makefile
View File

@ -34,7 +34,7 @@ obj-$(CONFIG_IXGBE) += ixgbe.o
ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o \
ixgbe_82599.o ixgbe_82598.o ixgbe_phy.o ixgbe_sriov.o \
ixgbe_mbx.o
ixgbe_mbx.o ixgbe_x540.o
ixgbe-$(CONFIG_IXGBE_DCB) += ixgbe_dcb.o ixgbe_dcb_82598.o \
ixgbe_dcb_82599.o ixgbe_dcb_nl.o

122
drivers/net/ixgbe/ixgbe.h
View File

@ -61,10 +61,8 @@
#define IXGBE_MIN_RXD 64
/* flow control */
#define IXGBE_DEFAULT_FCRTL 0x10000
#define IXGBE_MIN_FCRTL 0x40
#define IXGBE_MAX_FCRTL 0x7FF80
#define IXGBE_DEFAULT_FCRTH 0x20000
#define IXGBE_MIN_FCRTH 0x600
#define IXGBE_MAX_FCRTH 0x7FFF0
#define IXGBE_DEFAULT_FCPAUSE 0xFFFF
@ -130,7 +128,9 @@ struct ixgbe_tx_buffer {
unsigned long time_stamp;
u16 length;
u16 next_to_watch;
u16 mapped_as_page;
unsigned int bytecount;
u16 gso_segs;
u8 mapped_as_page;
};
struct ixgbe_rx_buffer {
@ -146,12 +146,56 @@ struct ixgbe_queue_stats {
u64 bytes;
};
struct ixgbe_tx_queue_stats {
u64 restart_queue;
u64 tx_busy;
u64 completed;
u64 tx_done_old;
};
struct ixgbe_rx_queue_stats {
u64 rsc_count;
u64 rsc_flush;
u64 non_eop_descs;
u64 alloc_rx_page_failed;
u64 alloc_rx_buff_failed;
};
enum ixbge_ring_state_t {
__IXGBE_TX_FDIR_INIT_DONE,
__IXGBE_TX_DETECT_HANG,
__IXGBE_HANG_CHECK_ARMED,
__IXGBE_RX_PS_ENABLED,
__IXGBE_RX_RSC_ENABLED,
};
#define ring_is_ps_enabled(ring) \
test_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state)
#define set_ring_ps_enabled(ring) \
set_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state)
#define clear_ring_ps_enabled(ring) \
clear_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state)
#define check_for_tx_hang(ring) \
test_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
#define set_check_for_tx_hang(ring) \
set_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
#define clear_check_for_tx_hang(ring) \
clear_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
#define ring_is_rsc_enabled(ring) \
test_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
#define set_ring_rsc_enabled(ring) \
set_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
#define clear_ring_rsc_enabled(ring) \
clear_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
struct ixgbe_ring {
void *desc; /* descriptor ring memory */
struct device *dev; /* device for DMA mapping */
struct net_device *netdev; /* netdev ring belongs to */
union {
struct ixgbe_tx_buffer *tx_buffer_info;
struct ixgbe_rx_buffer *rx_buffer_info;
};
unsigned long state;
u8 atr_sample_rate;
u8 atr_count;
u16 count; /* amount of descriptors */
@ -160,38 +204,30 @@ struct ixgbe_ring {
u16 next_to_clean;
u8 queue_index; /* needed for multiqueue queue management */
#define IXGBE_RING_RX_PS_ENABLED (u8)(1)
u8 flags; /* per ring feature flags */
u16 head;
u16 tail;
unsigned int total_bytes;
unsigned int total_packets;
#ifdef CONFIG_IXGBE_DCA
/* cpu for tx queue */
int cpu;
#endif
u16 work_limit; /* max work per interrupt */
u16 reg_idx; /* holds the special value that gets
u8 reg_idx; /* holds the special value that gets
* the hardware register offset
* associated with this ring, which is
* different for DCB and RSS modes
*/
u16 work_limit; /* max work per interrupt */
u8 __iomem *tail;
unsigned int total_bytes;
unsigned int total_packets;
struct ixgbe_queue_stats stats;
struct u64_stats_sync syncp;
union {
struct ixgbe_tx_queue_stats tx_stats;
struct ixgbe_rx_queue_stats rx_stats;
};
int numa_node;
unsigned long reinit_state;
u64 rsc_count; /* stat for coalesced packets */
u64 rsc_flush; /* stats for flushed packets */
u32 restart_queue; /* track tx queue restarts */
u32 non_eop_descs; /* track hardware descriptor chaining */
unsigned int size; /* length in bytes */
dma_addr_t dma; /* phys. address of descriptor ring */
struct rcu_head rcu;
struct ixgbe_q_vector *q_vector; /* back-pointer to host q_vector */
} ____cacheline_internodealigned_in_smp;
enum ixgbe_ring_f_enum {
@ -237,6 +273,9 @@ struct ixgbe_q_vector {
unsigned int v_idx; /* index of q_vector within array, also used for
* finding the bit in EICR and friends that
* represents the vector for this ring */
#ifdef CONFIG_IXGBE_DCA
int cpu; /* CPU for DCA */
#endif
struct napi_struct napi;
DECLARE_BITMAP(rxr_idx, MAX_RX_QUEUES); /* Rx ring indices */
DECLARE_BITMAP(txr_idx, MAX_TX_QUEUES); /* Tx ring indices */
@ -246,6 +285,7 @@ struct ixgbe_q_vector {
u8 rx_itr;
u32 eitr;
cpumask_var_t affinity_mask;
char name[IFNAMSIZ + 9];
};
/* Helper macros to switch between ints/sec and what the register uses.
@ -294,7 +334,6 @@ struct ixgbe_adapter {
u16 bd_number;
struct work_struct reset_task;
struct ixgbe_q_vector *q_vector[MAX_MSIX_Q_VECTORS];
char name[MAX_MSIX_COUNT][IFNAMSIZ + 9];
struct ixgbe_dcb_config dcb_cfg;
struct ixgbe_dcb_config temp_dcb_cfg;
u8 dcb_set_bitmap;
@ -417,6 +456,7 @@ struct ixgbe_adapter {
int node;
struct work_struct check_overtemp_task;
u32 interrupt_event;
char lsc_int_name[IFNAMSIZ + 9];
/* SR-IOV */
DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS);
@ -428,17 +468,25 @@ enum ixbge_state_t {
__IXGBE_TESTING,
__IXGBE_RESETTING,
__IXGBE_DOWN,
__IXGBE_FDIR_INIT_DONE,
__IXGBE_SFP_MODULE_NOT_FOUND
};
struct ixgbe_rsc_cb {
dma_addr_t dma;
u16 skb_cnt;
bool delay_unmap;
};
#define IXGBE_RSC_CB(skb) ((struct ixgbe_rsc_cb *)(skb)->cb)
enum ixgbe_boards {
board_82598,
board_82599,
board_X540,
};
extern struct ixgbe_info ixgbe_82598_info;
extern struct ixgbe_info ixgbe_82599_info;
extern struct ixgbe_info ixgbe_X540_info;
#ifdef CONFIG_IXGBE_DCB
extern const struct dcbnl_rtnl_ops dcbnl_ops;
extern int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
@ -454,26 +502,24 @@ extern void ixgbe_down(struct ixgbe_adapter *adapter);
extern void ixgbe_reinit_locked(struct ixgbe_adapter *adapter);
extern void ixgbe_reset(struct ixgbe_adapter *adapter);
extern void ixgbe_set_ethtool_ops(struct net_device *netdev);
extern int ixgbe_setup_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
extern int ixgbe_setup_tx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
extern void ixgbe_free_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
extern void ixgbe_free_tx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
extern int ixgbe_setup_rx_resources(struct ixgbe_ring *);
extern int ixgbe_setup_tx_resources(struct ixgbe_ring *);
extern void ixgbe_free_rx_resources(struct ixgbe_ring *);
extern void ixgbe_free_tx_resources(struct ixgbe_ring *);
extern void ixgbe_configure_rx_ring(struct ixgbe_adapter *,struct ixgbe_ring *);
extern void ixgbe_configure_tx_ring(struct ixgbe_adapter *,struct ixgbe_ring *);
extern void ixgbe_update_stats(struct ixgbe_adapter *adapter);
extern int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter);
extern void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter);
extern netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *,
struct net_device *,
struct ixgbe_adapter *,
struct ixgbe_ring *);
extern void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *,
extern void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *,
struct ixgbe_tx_buffer *);
extern void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
struct ixgbe_ring *rx_ring,
int cleaned_count);
extern void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16);
extern void ixgbe_write_eitr(struct ixgbe_q_vector *);
extern int ethtool_ioctl(struct ifreq *ifr);
extern u8 ixgbe_dcb_txq_to_tc(struct ixgbe_adapter *adapter, u8 index);
extern s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw);
extern s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc);
extern s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc);
@ -498,6 +544,10 @@ extern s32 ixgbe_atr_set_flex_byte_82599(struct ixgbe_atr_input *input,
u16 flex_byte);
extern s32 ixgbe_atr_set_l4type_82599(struct ixgbe_atr_input *input,
u8 l4type);
extern void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter,
struct ixgbe_ring *ring);
extern void ixgbe_clear_rscctl(struct ixgbe_adapter *adapter,
struct ixgbe_ring *ring);
extern void ixgbe_set_rx_mode(struct net_device *netdev);
#ifdef IXGBE_FCOE
extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter);

58
drivers/net/ixgbe/ixgbe_82598.c
View File

@ -38,9 +38,6 @@
#define IXGBE_82598_MC_TBL_SIZE 128
#define IXGBE_82598_VFT_TBL_SIZE 128
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,
@ -156,7 +153,7 @@ static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
mac->ops.setup_link = &ixgbe_setup_copper_link_82598;
mac->ops.get_link_capabilities =
&ixgbe_get_copper_link_capabilities_82598;
&ixgbe_get_copper_link_capabilities_generic;
}
switch (hw->phy.type) {
@ -273,37 +270,6 @@ static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw,
return status;
}
/**
* ixgbe_get_copper_link_capabilities_82598 - Determines link capabilities
* @hw: pointer to hardware structure
* @speed: pointer to link speed
* @autoneg: boolean auto-negotiation value
*
* Determines the link capabilities by reading the AUTOC register.
**/
static s32 ixgbe_get_copper_link_capabilities_82598(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *autoneg)
{
s32 status = IXGBE_ERR_LINK_SETUP;
u16 speed_ability;
*speed = 0;
*autoneg = true;
status = hw->phy.ops.read_reg(hw, MDIO_SPEED, MDIO_MMD_PMAPMD,
&speed_ability);
if (status == 0) {
if (speed_ability & MDIO_SPEED_10G)
*speed |= IXGBE_LINK_SPEED_10GB_FULL;
if (speed_ability & MDIO_PMA_SPEED_1000)
*speed |= IXGBE_LINK_SPEED_1GB_FULL;
}
return status;
}
/**
* ixgbe_get_media_type_82598 - Determines media type
* @hw: pointer to hardware structure
@ -357,6 +323,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num)
u32 fctrl_reg;
u32 rmcs_reg;
u32 reg;
u32 rx_pba_size;
u32 link_speed = 0;
bool link_up;
@ -459,16 +426,18 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw, s32 packetbuf_num)
/* Set up and enable Rx high/low water mark thresholds, enable XON. */
if (hw->fc.current_mode & ixgbe_fc_tx_pause) {
if (hw->fc.send_xon) {
IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num),
(hw->fc.low_water | IXGBE_FCRTL_XONE));
} else {
IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num),
hw->fc.low_water);
}
rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(packetbuf_num));
rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT;
IXGBE_WRITE_REG(hw, IXGBE_FCRTH(packetbuf_num),
(hw->fc.high_water | IXGBE_FCRTH_FCEN));
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 |= IXGBE_FCRTH_FCEN;
IXGBE_WRITE_REG(hw, IXGBE_FCRTH(packetbuf_num), reg);
}
/* Configure pause time (2 TCs per register) */
@ -1222,6 +1191,7 @@ 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_eerd_generic,
.calc_checksum = &ixgbe_calc_eeprom_checksum_generic,
.validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
.update_checksum = &ixgbe_update_eeprom_checksum_generic,
};

94
drivers/net/ixgbe/ixgbe_82599.c
View File

@ -56,9 +56,6 @@ static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
bool autoneg,
bool autoneg_wait_to_complete);
static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *autoneg);
static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
bool autoneg,
@ -174,7 +171,7 @@ static s32 ixgbe_init_phy_ops_82599(struct ixgbe_hw *hw)
if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
mac->ops.setup_link = &ixgbe_setup_copper_link_82599;
mac->ops.get_link_capabilities =
&ixgbe_get_copper_link_capabilities_82599;
&ixgbe_get_copper_link_capabilities_generic;
}
/* Set necessary function pointers based on phy type */
@ -184,6 +181,10 @@ static s32 ixgbe_init_phy_ops_82599(struct ixgbe_hw *hw)
phy->ops.get_firmware_version =
&ixgbe_get_phy_firmware_version_tnx;
break;
case ixgbe_phy_aq:
phy->ops.get_firmware_version =
&ixgbe_get_phy_firmware_version_generic;
break;
default:
break;
}
@ -289,37 +290,6 @@ out:
return status;
}
/**
* ixgbe_get_copper_link_capabilities_82599 - Determines link capabilities
* @hw: pointer to hardware structure
* @speed: pointer to link speed
* @autoneg: boolean auto-negotiation value
*
* Determines the link capabilities by reading the AUTOC register.
**/
static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *autoneg)
{
s32 status = IXGBE_ERR_LINK_SETUP;
u16 speed_ability;
*speed = 0;
*autoneg = true;
status = hw->phy.ops.read_reg(hw, MDIO_SPEED, MDIO_MMD_PMAPMD,
&speed_ability);
if (status == 0) {
if (speed_ability & MDIO_SPEED_10G)
*speed |= IXGBE_LINK_SPEED_10GB_FULL;
if (speed_ability & MDIO_PMA_SPEED_1000)
*speed |= IXGBE_LINK_SPEED_1GB_FULL;
}
return status;
}
/**
* ixgbe_get_media_type_82599 - Get media type
* @hw: pointer to hardware structure
@ -332,7 +302,8 @@ static enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw)
/* Detect if there is a copper PHY attached. */
if (hw->phy.type == ixgbe_phy_cu_unknown ||
hw->phy.type == ixgbe_phy_tn) {
hw->phy.type == ixgbe_phy_tn ||
hw->phy.type == ixgbe_phy_aq) {
media_type = ixgbe_media_type_copper;
goto out;
}
@ -1924,6 +1895,7 @@ static u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw)
hw->phy.ops.identify(hw);
if (hw->phy.type == ixgbe_phy_tn ||
hw->phy.type == ixgbe_phy_aq ||
hw->phy.type == ixgbe_phy_cu_unknown) {
hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD,
&ext_ability);
@ -2125,51 +2097,6 @@ fw_version_out:
return status;
}
/**
* ixgbe_get_wwn_prefix_82599 - 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.
**/
static s32 ixgbe_get_wwn_prefix_82599(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;
}
static struct ixgbe_mac_operations mac_ops_82599 = {
.init_hw = &ixgbe_init_hw_generic,
.reset_hw = &ixgbe_reset_hw_82599,
@ -2181,7 +2108,7 @@ static struct ixgbe_mac_operations mac_ops_82599 = {
.get_mac_addr = &ixgbe_get_mac_addr_generic,
.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,
.get_wwn_prefix = &ixgbe_get_wwn_prefix_generic,
.stop_adapter = &ixgbe_stop_adapter_generic,
.get_bus_info = &ixgbe_get_bus_info_generic,
.set_lan_id = &ixgbe_set_lan_id_multi_port_pcie,
@ -2214,6 +2141,7 @@ 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,
};
@ -2240,5 +2168,5 @@ struct ixgbe_info ixgbe_82599_info = {
.mac_ops = &mac_ops_82599,
.eeprom_ops = &eeprom_ops_82599,
.phy_ops = &phy_ops_82599,
.mbx_ops = &mbx_ops_82599,
.mbx_ops = &mbx_ops_generic,
};

98
drivers/net/ixgbe/ixgbe_common.c
View File

@ -45,14 +45,12 @@ static u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count);
static void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec);
static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec);
static void ixgbe_release_eeprom(struct ixgbe_hw *hw);
static u16 ixgbe_calc_eeprom_checksum(struct ixgbe_hw *hw);
static void ixgbe_enable_rar(struct ixgbe_hw *hw, u32 index);
static void ixgbe_disable_rar(struct ixgbe_hw *hw, u32 index);
static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr);
static void ixgbe_add_uc_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq);
static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num);
static s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg);
/**
* ixgbe_start_hw_generic - Prepare hardware for Tx/Rx
@ -638,7 +636,7 @@ out:
* 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_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg)
s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg)
{
u32 i;
u32 reg;
@ -1009,7 +1007,7 @@ static void ixgbe_release_eeprom(struct ixgbe_hw *hw)
* ixgbe_calc_eeprom_checksum - Calculates and returns the checksum
* @hw: pointer to hardware structure
**/
static u16 ixgbe_calc_eeprom_checksum(struct ixgbe_hw *hw)
u16 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)
{
u16 i;
u16 j;
@ -1072,7 +1070,7 @@ s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw,
status = hw->eeprom.ops.read(hw, 0, &checksum);
if (status == 0) {
checksum = ixgbe_calc_eeprom_checksum(hw);
checksum = hw->eeprom.ops.calc_checksum(hw);
hw->eeprom.ops.read(hw, IXGBE_EEPROM_CHECKSUM, &read_checksum);
@ -1110,7 +1108,7 @@ s32 ixgbe_update_eeprom_checksum_generic(struct ixgbe_hw *hw)
status = hw->eeprom.ops.read(hw, 0, &checksum);
if (status == 0) {
checksum = ixgbe_calc_eeprom_checksum(hw);
checksum = hw->eeprom.ops.calc_checksum(hw);
status = hw->eeprom.ops.write(hw, IXGBE_EEPROM_CHECKSUM,
checksum);
} else {
@ -1595,6 +1593,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
u32 mflcn_reg, fccfg_reg;
u32 reg;
u32 rx_pba_size;
u32 fcrtl, fcrth;
#ifdef CONFIG_DCB
if (hw->fc.requested_mode == ixgbe_fc_pfc)
@ -1671,41 +1670,21 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
IXGBE_WRITE_REG(hw, IXGBE_MFLCN, mflcn_reg);
IXGBE_WRITE_REG(hw, IXGBE_FCCFG, fccfg_reg);
reg = IXGBE_READ_REG(hw, IXGBE_MTQC);
/* Thresholds are different for link flow control when in DCB mode */
if (reg & IXGBE_MTQC_RT_ENA) {
rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(packetbuf_num));
rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(packetbuf_num));
rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT;
/* Always disable XON for LFC when in DCB mode */
reg = (rx_pba_size >> 5) & 0xFFE0;
IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(packetbuf_num), reg);
fcrth = (rx_pba_size - hw->fc.high_water) << 10;
fcrtl = (rx_pba_size - hw->fc.low_water) << 10;
reg = (rx_pba_size >> 2) & 0xFFE0;
if (hw->fc.current_mode & ixgbe_fc_tx_pause)
reg |= IXGBE_FCRTH_FCEN;
IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(packetbuf_num), reg);
} else {
/*
* Set up and enable Rx high/low water mark thresholds,
* enable XON.
*/
if (hw->fc.current_mode & ixgbe_fc_tx_pause) {
if (hw->fc.send_xon) {
IXGBE_WRITE_REG(hw,
IXGBE_FCRTL_82599(packetbuf_num),
(hw->fc.low_water |
IXGBE_FCRTL_XONE));
} else {
IXGBE_WRITE_REG(hw,
IXGBE_FCRTL_82599(packetbuf_num),
hw->fc.low_water);
}
IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(packetbuf_num),
(hw->fc.high_water | IXGBE_FCRTH_FCEN));
}
if (hw->fc.current_mode & ixgbe_fc_tx_pause) {
fcrth |= IXGBE_FCRTH_FCEN;
if (hw->fc.send_xon)
fcrtl |= IXGBE_FCRTL_XONE;
}
IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(packetbuf_num), fcrth);
IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(packetbuf_num), fcrtl);
/* Configure pause time (2 TCs per register) */
reg = IXGBE_READ_REG(hw, IXGBE_FCTTV(packetbuf_num / 2));
if ((packetbuf_num & 1) == 0)
@ -2705,3 +2684,48 @@ s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
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;
}

5
drivers/net/ixgbe/ixgbe_common.h
View File

@ -49,9 +49,11 @@ s32 ixgbe_write_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);
u16 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw);
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);
@ -81,7 +83,8 @@ 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_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix,
u16 *wwpn_prefix);
s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index);
s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index);

17
drivers/net/ixgbe/ixgbe_dcb.c
View File

@ -42,7 +42,8 @@
* It should be called only after the rules are checked by
* ixgbe_dcb_check_config().
*/
s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_dcb_config *dcb_config,
s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *hw,
struct ixgbe_dcb_config *dcb_config,
int max_frame, u8 direction)
{
struct tc_bw_alloc *p;
@ -124,7 +125,8 @@ s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_dcb_config *dcb_config,
* credit may not be enough to send out a TSO
* packet in descriptor plane arbitration.
*/
if (credit_max &&
if ((hw->mac.type == ixgbe_mac_82598EB) &&
credit_max &&
(credit_max < MINIMUM_CREDIT_FOR_TSO))
credit_max = MINIMUM_CREDIT_FOR_TSO;
@ -150,10 +152,17 @@ s32 ixgbe_dcb_hw_config(struct ixgbe_hw *hw,
struct ixgbe_dcb_config *dcb_config)
{
s32 ret = 0;
if (hw->mac.type == ixgbe_mac_82598EB)
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
ret = ixgbe_dcb_hw_config_82598(hw, dcb_config);
else if (hw->mac.type == ixgbe_mac_82599EB)
break;
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
ret = ixgbe_dcb_hw_config_82599(hw, dcb_config);
break;
default:
break;
}
return ret;
}

3
drivers/net/ixgbe/ixgbe_dcb.h
View File

@ -150,7 +150,8 @@ struct ixgbe_dcb_config {
/* DCB driver APIs */
/* DCB credits calculation */
s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_dcb_config *, int, u8);
s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *,
struct ixgbe_dcb_config *, int, u8);
/* DCB hw initialization */
s32 ixgbe_dcb_hw_config(struct ixgbe_hw *, struct ixgbe_dcb_config *);

12
drivers/net/ixgbe/ixgbe_dcb_82598.c
View File

@ -256,21 +256,17 @@ s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw,
* for each traffic class.
*/
for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
if (dcb_config->rx_pba_cfg == pba_equal) {
rx_pba_size = IXGBE_RXPBSIZE_64KB;
} else {
rx_pba_size = (i < 4) ? IXGBE_RXPBSIZE_80KB
: IXGBE_RXPBSIZE_48KB;
}
rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT;
reg = (rx_pba_size - hw->fc.low_water) << 10;
reg = ((rx_pba_size >> 5) & 0xFFF0);
if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx ||
dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full)
reg |= IXGBE_FCRTL_XONE;
IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), reg);
reg = ((rx_pba_size >> 2) & 0xFFF0);
reg = (rx_pba_size - hw->fc.high_water) << 10;
if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx ||
dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full)
reg |= IXGBE_FCRTH_FCEN;

12
drivers/net/ixgbe/ixgbe_dcb_82599.c
View File

@ -251,19 +251,17 @@ s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw,
/* Configure PFC Tx thresholds per TC */
for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
if (dcb_config->rx_pba_cfg == pba_equal)
rx_pba_size = IXGBE_RXPBSIZE_64KB;
else
rx_pba_size = (i < 4) ? IXGBE_RXPBSIZE_80KB
: IXGBE_RXPBSIZE_48KB;
rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT;
reg = (rx_pba_size - hw->fc.low_water) << 10;
reg = ((rx_pba_size >> 5) & 0xFFE0);
if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full ||
dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx)
reg |= IXGBE_FCRTL_XONE;
IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), reg);
reg = ((rx_pba_size >> 2) & 0xFFE0);
reg = (rx_pba_size - hw->fc.high_water) << 10;
if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full ||
dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx)
reg |= IXGBE_FCRTH_FCEN;

55
drivers/net/ixgbe/ixgbe_dcb_nl.c
View File

@ -130,15 +130,21 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
netdev->netdev_ops->ndo_stop(netdev);
ixgbe_clear_interrupt_scheme(adapter);
if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB:
adapter->last_lfc_mode = adapter->hw.fc.current_mode;
adapter->hw.fc.requested_mode = ixgbe_fc_none;
}
adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
break;
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
break;
default:
break;
}
adapter->flags |= IXGBE_FLAG_DCB_ENABLED;
ixgbe_init_interrupt_scheme(adapter);
if (netif_running(netdev))
@ -155,8 +161,14 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
adapter->dcb_cfg.pfc_mode_enable = false;
adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
if (adapter->hw.mac.type == ixgbe_mac_82599EB)
switch (adapter->hw.mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
break;
default:
break;
}
ixgbe_init_interrupt_scheme(adapter);
if (netif_running(netdev))
@ -178,9 +190,14 @@ static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev,
for (i = 0; i < netdev->addr_len; i++)
perm_addr[i] = adapter->hw.mac.perm_addr[i];
if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
switch (adapter->hw.mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
for (j = 0; j < netdev->addr_len; j++, i++)
perm_addr[i] = adapter->hw.mac.san_addr[j];
break;
default:
break;
}
}
@ -366,15 +383,29 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
}
if (adapter->dcb_cfg.pfc_mode_enable) {
if ((adapter->hw.mac.type != ixgbe_mac_82598EB) &&
(adapter->hw.fc.current_mode != ixgbe_fc_pfc))
adapter->last_lfc_mode = adapter->hw.fc.current_mode;
switch (adapter->hw.mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
if (adapter->hw.fc.current_mode != ixgbe_fc_pfc)
adapter->last_lfc_mode =
adapter->hw.fc.current_mode;
break;
default:
break;
}
adapter->hw.fc.requested_mode = ixgbe_fc_pfc;
} else {
if (adapter->hw.mac.type != ixgbe_mac_82598EB)
adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
else
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB:
adapter->hw.fc.requested_mode = ixgbe_fc_none;
break;
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
adapter->hw.fc.requested_mode = adapter->last_lfc_mode;
break;
default:
break;
}
}
if (adapter->dcb_set_bitmap & BIT_RESETLINK) {

255
drivers/net/ixgbe/ixgbe_ethtool.c
View File

@ -185,6 +185,16 @@ static int ixgbe_get_settings(struct net_device *netdev,
ADVERTISED_FIBRE);
ecmd->port = PORT_FIBRE;
ecmd->autoneg = AUTONEG_DISABLE;
} else if ((hw->device_id == IXGBE_DEV_ID_82599_COMBO_BACKPLANE) ||
(hw->device_id == IXGBE_DEV_ID_82599_KX4_MEZZ)) {
ecmd->supported |= (SUPPORTED_1000baseT_Full |
SUPPORTED_Autoneg |
SUPPORTED_FIBRE);
ecmd->advertising = (ADVERTISED_10000baseT_Full |
ADVERTISED_1000baseT_Full |
ADVERTISED_Autoneg |
ADVERTISED_FIBRE);
ecmd->port = PORT_FIBRE;
} else {
ecmd->supported |= (SUPPORTED_1000baseT_Full |
SUPPORTED_FIBRE);
@ -204,6 +214,7 @@ static int ixgbe_get_settings(struct net_device *netdev,
/* Get PHY type */
switch (adapter->hw.phy.type) {
case ixgbe_phy_tn:
case ixgbe_phy_aq:
case ixgbe_phy_cu_unknown:
/* Copper 10G-BASET */
ecmd->port = PORT_TP;
@ -332,13 +343,6 @@ static void ixgbe_get_pauseparam(struct net_device *netdev,
else
pause->autoneg = 1;
#ifdef CONFIG_DCB
if (hw->fc.current_mode == ixgbe_fc_pfc) {
pause->rx_pause = 0;
pause->tx_pause = 0;
}
#endif
if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
pause->rx_pause = 1;
} else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
@ -346,6 +350,11 @@ static void ixgbe_get_pauseparam(struct net_device *netdev,
} else if (hw->fc.current_mode == ixgbe_fc_full) {
pause->rx_pause = 1;
pause->tx_pause = 1;
#ifdef CONFIG_DCB
} else if (hw->fc.current_mode == ixgbe_fc_pfc) {
pause->rx_pause = 0;
pause->tx_pause = 0;
#endif
}
}
@ -363,7 +372,6 @@ static int ixgbe_set_pauseparam(struct net_device *netdev,
return -EINVAL;
#endif
fc = hw->fc;
if (pause->autoneg != AUTONEG_ENABLE)
@ -412,11 +420,6 @@ static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
else
adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
if (netif_running(netdev))
ixgbe_reinit_locked(adapter);
else
ixgbe_reset(adapter);
return 0;
}
@ -428,16 +431,21 @@ static u32 ixgbe_get_tx_csum(struct net_device *netdev)
static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
u32 feature_list;
if (data) {
netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
if (adapter->hw.mac.type == ixgbe_mac_82599EB)
netdev->features |= NETIF_F_SCTP_CSUM;
} else {
netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
if (adapter->hw.mac.type == ixgbe_mac_82599EB)
netdev->features &= ~NETIF_F_SCTP_CSUM;
feature_list = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
switch (adapter->hw.mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
feature_list |= NETIF_F_SCTP_CSUM;
break;
default:
break;
}
if (data)
netdev->features |= feature_list;
else
netdev->features &= ~feature_list;
return 0;
}
@ -530,10 +538,20 @@ static void ixgbe_get_regs(struct net_device *netdev,
regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
for (i = 0; i < 8; i++)
regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
for (i = 0; i < 8; i++)
regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
for (i = 0; i < 8; i++) {
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
break;
case ixgbe_mac_82599EB:
regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
break;
default:
break;
}
}
regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
@ -615,6 +633,7 @@ static void ixgbe_get_regs(struct net_device *netdev,
regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
/* DCB */
regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
@ -905,13 +924,11 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
memcpy(&temp_tx_ring[i], adapter->tx_ring[i],
sizeof(struct ixgbe_ring));
temp_tx_ring[i].count = new_tx_count;
err = ixgbe_setup_tx_resources(adapter,
&temp_tx_ring[i]);
err = ixgbe_setup_tx_resources(&temp_tx_ring[i]);
if (err) {
while (i) {
i--;
ixgbe_free_tx_resources(adapter,
&temp_tx_ring[i]);
ixgbe_free_tx_resources(&temp_tx_ring[i]);
}
goto clear_reset;
}
@ -930,13 +947,11 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
memcpy(&temp_rx_ring[i], adapter->rx_ring[i],
sizeof(struct ixgbe_ring));
temp_rx_ring[i].count = new_rx_count;
err = ixgbe_setup_rx_resources(adapter,
&temp_rx_ring[i]);
err = ixgbe_setup_rx_resources(&temp_rx_ring[i]);
if (err) {
while (i) {
i--;
ixgbe_free_rx_resources(adapter,
&temp_rx_ring[i]);
ixgbe_free_rx_resources(&temp_rx_ring[i]);
}
goto err_setup;
}
@ -951,8 +966,7 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
/* tx */
if (new_tx_count != adapter->tx_ring_count) {
for (i = 0; i < adapter->num_tx_queues; i++) {
ixgbe_free_tx_resources(adapter,
adapter->tx_ring[i]);
ixgbe_free_tx_resources(adapter->tx_ring[i]);
memcpy(adapter->tx_ring[i], &temp_tx_ring[i],
sizeof(struct ixgbe_ring));
}
@ -962,8 +976,7 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
/* rx */
if (new_rx_count != adapter->rx_ring_count) {
for (i = 0; i < adapter->num_rx_queues; i++) {
ixgbe_free_rx_resources(adapter,
adapter->rx_ring[i]);
ixgbe_free_rx_resources(adapter->rx_ring[i]);
memcpy(adapter->rx_ring[i], &temp_rx_ring[i],
sizeof(struct ixgbe_ring));
}
@ -1237,12 +1250,20 @@ static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
u32 value, before, after;
u32 i, toggle;
if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
toggle = 0x7FFFF30F;
test = reg_test_82599;
} else {
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB:
toggle = 0x7FFFF3FF;
test = reg_test_82598;
break;
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
toggle = 0x7FFFF30F;
test = reg_test_82599;
break;
default:
*data = 1;
return 1;
break;
}
/*
@ -1460,16 +1481,21 @@ static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
if (hw->mac.type == ixgbe_mac_82599EB) {
switch (hw->mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
reg_ctl &= ~IXGBE_DMATXCTL_TE;
IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
break;
default:
break;
}
ixgbe_reset(adapter);
ixgbe_free_tx_resources(adapter, &adapter->test_tx_ring);
ixgbe_free_rx_resources(adapter, &adapter->test_rx_ring);
ixgbe_free_tx_resources(&adapter->test_tx_ring);
ixgbe_free_rx_resources(&adapter->test_rx_ring);
}
static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
@ -1483,17 +1509,24 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
/* Setup Tx descriptor ring and Tx buffers */
tx_ring->count = IXGBE_DEFAULT_TXD;
tx_ring->queue_index = 0;
tx_ring->dev = &adapter->pdev->dev;
tx_ring->netdev = adapter->netdev;
tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
tx_ring->numa_node = adapter->node;
err = ixgbe_setup_tx_resources(adapter, tx_ring);
err = ixgbe_setup_tx_resources(tx_ring);
if (err)
return 1;
if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
switch (adapter->hw.mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
reg_data |= IXGBE_DMATXCTL_TE;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
break;
default:
break;
}
ixgbe_configure_tx_ring(adapter, tx_ring);
@ -1501,11 +1534,13 @@ static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
/* Setup Rx Descriptor ring and Rx buffers */
rx_ring->count = IXGBE_DEFAULT_RXD;
rx_ring->queue_index = 0;
rx_ring->dev = &adapter->pdev->dev;
rx_ring->netdev = adapter->netdev;
rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
rx_ring->rx_buf_len = IXGBE_RXBUFFER_2048;
rx_ring->numa_node = adapter->node;
err = ixgbe_setup_rx_resources(adapter, rx_ring);
err = ixgbe_setup_rx_resources(rx_ring);
if (err) {
ret_val = 4;
goto err_nomem;
@ -1604,8 +1639,7 @@ static int ixgbe_check_lbtest_frame(struct sk_buff *skb,
return 13;
}
static u16 ixgbe_clean_test_rings(struct ixgbe_adapter *adapter,
struct ixgbe_ring *rx_ring,
static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
struct ixgbe_ring *tx_ring,
unsigned int size)
{
@ -1627,7 +1661,7 @@ static u16 ixgbe_clean_test_rings(struct ixgbe_adapter *adapter,
rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
/* unmap Rx buffer, will be remapped by alloc_rx_buffers */
dma_unmap_single(&adapter->pdev->dev,
dma_unmap_single(rx_ring->dev,
rx_buffer_info->dma,
bufsz,
DMA_FROM_DEVICE);
@ -1639,7 +1673,7 @@ static u16 ixgbe_clean_test_rings(struct ixgbe_adapter *adapter,
/* unmap buffer on Tx side */
tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info);
ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer_info);
/* increment Rx/Tx next to clean counters */
rx_ntc++;
@ -1655,7 +1689,7 @@ static u16 ixgbe_clean_test_rings(struct ixgbe_adapter *adapter,
}
/* re-map buffers to ring, store next to clean values */
ixgbe_alloc_rx_buffers(adapter, rx_ring, count);
ixgbe_alloc_rx_buffers(rx_ring, count);
rx_ring->next_to_clean = rx_ntc;
tx_ring->next_to_clean = tx_ntc;
@ -1699,7 +1733,6 @@ static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
for (i = 0; i < 64; i++) {
skb_get(skb);
tx_ret_val = ixgbe_xmit_frame_ring(skb,
adapter->netdev,
adapter,
tx_ring);
if (tx_ret_val == NETDEV_TX_OK)
@ -1714,8 +1747,7 @@ static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
/* allow 200 milliseconds for packets to go from Tx to Rx */
msleep(200);
good_cnt = ixgbe_clean_test_rings(adapter, rx_ring,
tx_ring, size);
good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
if (good_cnt != 64) {
ret_val = 13;
break;
@ -1848,6 +1880,13 @@ static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
int retval = 1;
switch(hw->device_id) {
case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
/* All except this subdevice support WOL */
if (hw->subsystem_device_id ==
IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) {
wol->supported = 0;
break;
}
case IXGBE_DEV_ID_82599_KX4:
retval = 0;
break;
@ -1985,6 +2024,41 @@ static int ixgbe_get_coalesce(struct net_device *netdev,
return 0;
}
/*
* this function must be called before setting the new value of
* rx_itr_setting
*/
static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter,
struct ethtool_coalesce *ec)
{
struct net_device *netdev = adapter->netdev;
if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE))
return false;
/* if interrupt rate is too high then disable RSC */
if (ec->rx_coalesce_usecs != 1 &&
ec->rx_coalesce_usecs <= 1000000/IXGBE_MAX_RSC_INT_RATE) {
if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
e_info(probe, "rx-usecs set too low, "
"disabling RSC\n");
adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
return true;
}
} else {
/* check the feature flag value and enable RSC if necessary */
if ((netdev->features & NETIF_F_LRO) &&
!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
e_info(probe, "rx-usecs set to %d, "
"re-enabling RSC\n",
ec->rx_coalesce_usecs);
adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
return true;
}
}
return false;
}
static int ixgbe_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec)
{
@ -2002,17 +2076,14 @@ static int ixgbe_set_coalesce(struct net_device *netdev,
adapter->tx_ring[0]->work_limit = ec->tx_max_coalesced_frames_irq;
if (ec->rx_coalesce_usecs > 1) {
u32 max_int;
if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
max_int = IXGBE_MAX_RSC_INT_RATE;
else
max_int = IXGBE_MAX_INT_RATE;
/* check the limits */
if ((1000000/ec->rx_coalesce_usecs > max_int) ||
if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
(1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
return -EINVAL;
/* check the old value and enable RSC if necessary */
need_reset = ixgbe_update_rsc(adapter, ec);
/* store the value in ints/second */
adapter->rx_eitr_param = 1000000/ec->rx_coalesce_usecs;
@ -2021,32 +2092,21 @@ static int ixgbe_set_coalesce(struct net_device *netdev,
/* clear the lower bit as its used for dynamic state */
adapter->rx_itr_setting &= ~1;
} else if (ec->rx_coalesce_usecs == 1) {
/* check the old value and enable RSC if necessary */
need_reset = ixgbe_update_rsc(adapter, ec);
/* 1 means dynamic mode */
adapter->rx_eitr_param = 20000;
adapter->rx_itr_setting = 1;
} else {
/* check the old value and enable RSC if necessary */
need_reset = ixgbe_update_rsc(adapter, ec);
/*
* any other value means disable eitr, which is best
* served by setting the interrupt rate very high
*/
adapter->rx_eitr_param = IXGBE_MAX_INT_RATE;
adapter->rx_itr_setting = 0;
/*
* if hardware RSC is enabled, disable it when
* setting low latency mode, to avoid errata, assuming
* that when the user set low latency mode they want
* it at the cost of anything else
*/
if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
if (netdev->features & NETIF_F_LRO) {
netdev->features &= ~NETIF_F_LRO;
e_info(probe, "rx-usecs set to 0, "
"disabling RSC\n");
}
need_reset = true;
}
}
if (ec->tx_coalesce_usecs > 1) {
@ -2133,28 +2193,39 @@ static int ixgbe_set_flags(struct net_device *netdev, u32 data)
return rc;
/* if state changes we need to update adapter->flags and reset */
if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) {
/*
* cast both to bool and verify if they are set the same
* but only enable RSC if itr is non-zero, as
* itr=0 and RSC are mutually exclusive
*/
if (((!!(data & ETH_FLAG_LRO)) !=
(!!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) &&
adapter->rx_itr_setting) {
if ((adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) &&
(!!(data & ETH_FLAG_LRO) !=
!!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) {
if ((data & ETH_FLAG_LRO) &&
(!adapter->rx_itr_setting ||
(adapter->rx_itr_setting > IXGBE_MAX_RSC_INT_RATE))) {
e_info(probe, "rx-usecs set too low, "
"not enabling RSC.\n");
} else {
adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED;
switch (adapter->hw.mac.type) {
case ixgbe_mac_82599EB:
need_reset = true;
break;
case ixgbe_mac_X540: {
int i;
for (i = 0; i < adapter->num_rx_queues; i++) {
struct ixgbe_ring *ring =
adapter->rx_ring[i];
if (adapter->flags2 &
IXGBE_FLAG2_RSC_ENABLED) {
ixgbe_configure_rscctl(adapter,
ring);
} else {
ixgbe_clear_rscctl(adapter,
ring);
}
}
}
break;
default:
break;
}
} else if (!adapter->rx_itr_setting) {
netdev->features &= ~NETIF_F_LRO;
if (data & ETH_FLAG_LRO)
e_info(probe, "rx-usecs set to 0, "
"LRO/RSC cannot be enabled.\n");
}
}

15
drivers/net/ixgbe/ixgbe_fcoe.c
View File

@ -68,7 +68,7 @@ static inline bool ixgbe_rx_is_fcoe(union ixgbe_adv_rx_desc *rx_desc)
static inline void ixgbe_fcoe_clear_ddp(struct ixgbe_fcoe_ddp *ddp)
{
ddp->len = 0;
ddp->err = 0;
ddp->err = 1;
ddp->udl = NULL;
ddp->udp = 0UL;
ddp->sgl = NULL;
@ -92,6 +92,7 @@ int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid)
struct ixgbe_fcoe *fcoe;
struct ixgbe_adapter *adapter;
struct ixgbe_fcoe_ddp *ddp;
u32 fcbuff;
if (!netdev)
goto out_ddp_put;
@ -115,7 +116,14 @@ int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid)
IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCBUFF, 0);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCDMARW,
(xid | IXGBE_FCDMARW_WE));
/* guaranteed to be invalidated after 100us */
IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCDMARW,
(xid | IXGBE_FCDMARW_RE));
fcbuff = IXGBE_READ_REG(&adapter->hw, IXGBE_FCBUFF);
spin_unlock_bh(&fcoe->lock);
if (fcbuff & IXGBE_FCBUFF_VALID)
udelay(100);
}
if (ddp->sgl)
pci_unmap_sg(adapter->pdev, ddp->sgl, ddp->sgc,
@ -168,6 +176,11 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
return 0;
}
/* no DDP if we are already down or resetting */
if (test_bit(__IXGBE_DOWN, &adapter->state) ||
test_bit(__IXGBE_RESETTING, &adapter->state))
return 0;
fcoe = &adapter->fcoe;
if (!fcoe->pool) {
e_warn(drv, "xid=0x%x no ddp pool for fcoe\n", xid);

2011
drivers/net/ixgbe/ixgbe_main.c
View File

File diff suppressed because it is too large Load Diff

36
drivers/net/ixgbe/ixgbe_mbx.c
View File

@ -319,8 +319,14 @@ static s32 ixgbe_check_for_rst_pf(struct ixgbe_hw *hw, u16 vf_number)
u32 vflre = 0;
s32 ret_val = IXGBE_ERR_MBX;
if (hw->mac.type == ixgbe_mac_82599EB)
switch (hw->mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
vflre = IXGBE_READ_REG(hw, IXGBE_VFLRE(reg_offset));
break;
default:
break;
}
if (vflre & (1 << vf_shift)) {
ret_val = 0;
@ -439,22 +445,26 @@ void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
if (hw->mac.type != ixgbe_mac_82599EB)
return;
switch (hw->mac.type) {
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
mbx->timeout = 0;
mbx->usec_delay = 0;
mbx->timeout = 0;
mbx->usec_delay = 0;
mbx->size = IXGBE_VFMAILBOX_SIZE;
mbx->size = IXGBE_VFMAILBOX_SIZE;
mbx->stats.msgs_tx = 0;
mbx->stats.msgs_rx = 0;
mbx->stats.reqs = 0;
mbx->stats.acks = 0;
mbx->stats.rsts = 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;
}
}
struct ixgbe_mbx_operations mbx_ops_82599 = {
struct ixgbe_mbx_operations mbx_ops_generic = {
.read = ixgbe_read_mbx_pf,
.write = ixgbe_write_mbx_pf,
.read_posted = ixgbe_read_posted_mbx,

2
drivers/net/ixgbe/ixgbe_mbx.h
View File

@ -88,6 +88,6 @@ s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
extern struct ixgbe_mbx_operations mbx_ops_82599;
extern struct ixgbe_mbx_operations mbx_ops_generic;
#endif /* _IXGBE_MBX_H_ */

52
drivers/net/ixgbe/ixgbe_phy.c
View File

@ -115,6 +115,9 @@ static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id)
case TN1010_PHY_ID:
phy_type = ixgbe_phy_tn;
break;
case AQ1202_PHY_ID:
phy_type = ixgbe_phy_aq;
break;
case QT2022_PHY_ID:
phy_type = ixgbe_phy_qt;
break;
@ -424,6 +427,39 @@ s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
return 0;
}
/**
* ixgbe_get_copper_link_capabilities_generic - Determines link capabilities
* @hw: pointer to hardware structure
* @speed: pointer to link speed
* @autoneg: boolean auto-negotiation value
*
* Determines the link capabilities by reading the AUTOC register.
*/
s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *autoneg)
{
s32 status = IXGBE_ERR_LINK_SETUP;
u16 speed_ability;
*speed = 0;
*autoneg = true;
status = hw->phy.ops.read_reg(hw, MDIO_SPEED, MDIO_MMD_PMAPMD,
&speed_ability);
if (status == 0) {
if (speed_ability & MDIO_SPEED_10G)
*speed |= IXGBE_LINK_SPEED_10GB_FULL;
if (speed_ability & MDIO_PMA_SPEED_1000)
*speed |= IXGBE_LINK_SPEED_1GB_FULL;
if (speed_ability & MDIO_PMA_SPEED_100)
*speed |= IXGBE_LINK_SPEED_100_FULL;
}
return status;
}
/**
* ixgbe_reset_phy_nl - Performs a PHY reset
* @hw: pointer to hardware structure
@ -1377,6 +1413,22 @@ s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw,
return status;
}
/**
* ixgbe_get_phy_firmware_version_generic - Gets the PHY Firmware Version
* @hw: pointer to hardware structure
* @firmware_version: pointer to the PHY Firmware Version
**/
s32 ixgbe_get_phy_firmware_version_generic(struct ixgbe_hw *hw,
u16 *firmware_version)
{
s32 status = 0;
status = hw->phy.ops.read_reg(hw, AQ_FW_REV, MDIO_MMD_VEND1,
firmware_version);
return status;
}
/**
* ixgbe_tn_check_overtemp - Checks if an overtemp occured.
* @hw: pointer to hardware structure

5
drivers/net/ixgbe/ixgbe_phy.h
View File

@ -96,6 +96,9 @@ s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
bool autoneg,
bool autoneg_wait_to_complete);
s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *autoneg);
/* PHY specific */
s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw,
@ -103,6 +106,8 @@ s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw,
bool *link_up);
s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw,
u16 *firmware_version);
s32 ixgbe_get_phy_firmware_version_generic(struct ixgbe_hw *hw,
u16 *firmware_version);
s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw);
s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw);

3
drivers/net/ixgbe/ixgbe_sriov.c
View File

@ -178,8 +178,7 @@ static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter,
int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask)
{
unsigned char vf_mac_addr[6];
struct net_device *netdev = pci_get_drvdata(pdev);
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
unsigned int vfn = (event_mask & 0x3f);
bool enable = ((event_mask & 0x10000000U) != 0);

20
drivers/net/ixgbe/ixgbe_type.h
View File

@ -57,6 +57,8 @@
#define IXGBE_DEV_ID_82599_SFP_EM 0x1507
#define IXGBE_DEV_ID_82599_XAUI_LOM 0x10FC
#define IXGBE_DEV_ID_82599_COMBO_BACKPLANE 0x10F8
#define IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ 0x000C
#define IXGBE_DEV_ID_X540T 0x1528
/* General Registers */
#define IXGBE_CTRL 0x00000
@ -994,8 +996,10 @@
/* PHY IDs*/
#define TN1010_PHY_ID 0x00A19410
#define TNX_FW_REV 0xB
#define AQ1202_PHY_ID 0x03A1B440
#define QT2022_PHY_ID 0x0043A400
#define ATH_PHY_ID 0x03429050
#define AQ_FW_REV 0x20
/* PHY Types */
#define IXGBE_M88E1145_E_PHY_ID 0x01410CD0
@ -1491,6 +1495,7 @@
#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_SEC1VAL 0x02000000 /* Sector 1 Valid */
#define IXGBE_EEC_FLUDONE 0x04000000 /* Flash update done */
/* EEPROM Addressing bits based on type (0-small, 1-large) */
#define IXGBE_EEC_ADDR_SIZE 0x00000400
@ -1505,7 +1510,9 @@
#define IXGBE_EEPROM_SUM 0xBABA
#define IXGBE_PCIE_ANALOG_PTR 0x03
#define IXGBE_ATLAS0_CONFIG_PTR 0x04
#define IXGBE_PHY_PTR 0x04
#define IXGBE_ATLAS1_CONFIG_PTR 0x05
#define IXGBE_OPTION_ROM_PTR 0x05
#define IXGBE_PCIE_GENERAL_PTR 0x06
#define IXGBE_PCIE_CONFIG0_PTR 0x07
#define IXGBE_PCIE_CONFIG1_PTR 0x08
@ -2113,6 +2120,14 @@ typedef u32 ixgbe_physical_layer;
#define IXGBE_PHYSICAL_LAYER_10GBASE_XAUI 0x1000
#define IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA 0x2000
/* Flow Control Macros */
#define PAUSE_RTT 8
#define PAUSE_MTU(MTU) ((MTU + 1024 - 1) / 1024)
#define FC_HIGH_WATER(MTU) ((((PAUSE_RTT + PAUSE_MTU(MTU)) * 144) + 99) / 100 +\
PAUSE_MTU(MTU))
#define FC_LOW_WATER(MTU) (2 * (2 * PAUSE_MTU(MTU) + PAUSE_RTT))
/* Software ATR hash keys */
#define IXGBE_ATR_BUCKET_HASH_KEY 0xE214AD3D
#define IXGBE_ATR_SIGNATURE_HASH_KEY 0x14364D17
@ -2164,6 +2179,7 @@ struct ixgbe_atr_input_masks {
enum ixgbe_eeprom_type {
ixgbe_eeprom_uninitialized = 0,
ixgbe_eeprom_spi,
ixgbe_flash,
ixgbe_eeprom_none /* No NVM support */
};
@ -2171,12 +2187,14 @@ enum ixgbe_mac_type {
ixgbe_mac_unknown = 0,
ixgbe_mac_82598EB,
ixgbe_mac_82599EB,
ixgbe_mac_X540,
ixgbe_num_macs
};
enum ixgbe_phy_type {
ixgbe_phy_unknown = 0,
ixgbe_phy_tn,
ixgbe_phy_aq,
ixgbe_phy_cu_unknown,
ixgbe_phy_qt,
ixgbe_phy_xaui,
@ -2405,6 +2423,7 @@ struct ixgbe_eeprom_operations {
s32 (*write)(struct ixgbe_hw *, u16, u16);
s32 (*validate_checksum)(struct ixgbe_hw *, u16 *);
s32 (*update_checksum)(struct ixgbe_hw *);
u16 (*calc_checksum)(struct ixgbe_hw *);
};
struct ixgbe_mac_operations {
@ -2574,6 +2593,7 @@ struct ixgbe_hw {
u16 subsystem_vendor_id;
u8 revision_id;
bool adapter_stopped;
bool force_full_reset;
};
struct ixgbe_info {

722
drivers/net/ixgbe/ixgbe_x540.c Normal file
View File

@ -0,0 +1,722 @@
/*******************************************************************************
Intel 10 Gigabit PCI Express Linux driver
Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information:
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include "ixgbe.h"
#include "ixgbe_phy.h"
//#include "ixgbe_mbx.h"
#define IXGBE_X540_MAX_TX_QUEUES 128
#define IXGBE_X540_MAX_RX_QUEUES 128
#define IXGBE_X540_RAR_ENTRIES 128
#define IXGBE_X540_MC_TBL_SIZE 128
#define IXGBE_X540_VFT_TBL_SIZE 128
static s32 ixgbe_update_flash_X540(struct ixgbe_hw *hw);
static s32 ixgbe_poll_flash_update_done_X540(struct ixgbe_hw *hw);
static s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask);
static void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask);
static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw);
static void ixgbe_release_swfw_sync_semaphore(struct ixgbe_hw *hw);
static enum ixgbe_media_type ixgbe_get_media_type_X540(struct ixgbe_hw *hw)
{
return ixgbe_media_type_copper;
}
static s32 ixgbe_get_invariants_X540(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
/* Call PHY identify routine to get the phy type */
ixgbe_identify_phy_generic(hw);
mac->mcft_size = IXGBE_X540_MC_TBL_SIZE;
mac->vft_size = IXGBE_X540_VFT_TBL_SIZE;
mac->num_rar_entries = IXGBE_X540_RAR_ENTRIES;
mac->max_rx_queues = IXGBE_X540_MAX_RX_QUEUES;
mac->max_tx_queues = IXGBE_X540_MAX_TX_QUEUES;
mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw);
return 0;
}
/**
* ixgbe_setup_mac_link_X540 - Set the auto advertised capabilitires
* @hw: pointer to hardware structure
* @speed: new link speed
* @autoneg: true if autonegotiation enabled
* @autoneg_wait_to_complete: true when waiting for completion is needed
**/
static s32 ixgbe_setup_mac_link_X540(struct ixgbe_hw *hw,
ixgbe_link_speed speed, bool autoneg,
bool autoneg_wait_to_complete)
{
return hw->phy.ops.setup_link_speed(hw, speed, autoneg,
autoneg_wait_to_complete);
}
/**
* ixgbe_reset_hw_X540 - Perform hardware reset
* @hw: pointer to hardware structure
*
* Resets the hardware by resetting the transmit and receive units, masks
* and clears all interrupts, perform a PHY reset, and perform a link (MAC)
* reset.
**/
static s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
{
ixgbe_link_speed link_speed;
s32 status = 0;
u32 ctrl;
u32 ctrl_ext;
u32 reset_bit;
u32 i;
u32 autoc;
u32 autoc2;
bool link_up = false;
/* Call adapter stop to disable tx/rx and clear interrupts */
hw->mac.ops.stop_adapter(hw);
/*
* Prevent the PCI-E bus from from hanging by disabling PCI-E master
* access and verify no pending requests before reset
*/
status = ixgbe_disable_pcie_master(hw);
if (status != 0) {
status = IXGBE_ERR_MASTER_REQUESTS_PENDING;
hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
}
/*
* Issue global reset to the MAC. Needs to be SW reset if link is up.
* If link reset is used when link is up, it might reset the PHY when
* mng is using it. If link is down or the flag to force full link
* reset is set, then perform link reset.
*/
if (hw->force_full_reset) {
reset_bit = IXGBE_CTRL_LNK_RST;
} else {
hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
if (!link_up)
reset_bit = IXGBE_CTRL_LNK_RST;
else
reset_bit = IXGBE_CTRL_RST;
}
ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST));
IXGBE_WRITE_FLUSH(hw);
/* Poll for reset bit to self-clear indicating reset is complete */
for (i = 0; i < 10; i++) {
udelay(1);
ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
if (!(ctrl & IXGBE_CTRL_RST))
break;
}
if (ctrl & IXGBE_CTRL_RST) {
status = IXGBE_ERR_RESET_FAILED;
hw_dbg(hw, "Reset polling failed to complete.\n");
}
/* Clear PF Reset Done bit so PF/VF Mail Ops can work */
ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD;
IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
msleep(50);
/* Set the Rx packet buffer size. */
IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(0), 384 << IXGBE_RXPBSIZE_SHIFT);
/* Store the permanent mac address */
hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
/*
* Store the original AUTOC/AUTOC2 values if they have not been
* stored off yet. Otherwise restore the stored original
* values since the reset operation sets back to defaults.
*/
autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
if (hw->mac.orig_link_settings_stored == false) {
hw->mac.orig_autoc = autoc;
hw->mac.orig_autoc2 = autoc2;
hw->mac.orig_link_settings_stored = true;
} else {
if (autoc != hw->mac.orig_autoc)
IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (hw->mac.orig_autoc |
IXGBE_AUTOC_AN_RESTART));
if ((autoc2 & IXGBE_AUTOC2_UPPER_MASK) !=
(hw->mac.orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK)) {
autoc2 &= ~IXGBE_AUTOC2_UPPER_MASK;
autoc2 |= (hw->mac.orig_autoc2 &
IXGBE_AUTOC2_UPPER_MASK);
IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2);
}
}
/*
* Store MAC address from RAR0, clear receive address registers, and
* clear the multicast table. Also reset num_rar_entries to 128,
* since we modify this value when programming the SAN MAC address.
*/
hw->mac.num_rar_entries = 128;
hw->mac.ops.init_rx_addrs(hw);
/* Store the permanent mac address */
hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
/* Store the permanent SAN mac address */
hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr);
/* Add the SAN MAC address to the RAR only if it's a valid address */
if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) {
hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1,
hw->mac.san_addr, 0, IXGBE_RAH_AV);
/* Reserve the last RAR for the SAN MAC address */
hw->mac.num_rar_entries--;
}
/* Store the alternative WWNN/WWPN prefix */
hw->mac.ops.get_wwn_prefix(hw, &hw->mac.wwnn_prefix,
&hw->mac.wwpn_prefix);
return status;
}
/**
* ixgbe_get_supported_physical_layer_X540 - Returns physical layer type
* @hw: pointer to hardware structure
*
* Determines physical layer capabilities of the current configuration.
**/
static u32 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw)
{
u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
u16 ext_ability = 0;
hw->phy.ops.identify(hw);
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)
physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
if (ext_ability & MDIO_PMA_EXTABLE_100BTX)
physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX;
return physical_layer;
}
/**
* ixgbe_init_eeprom_params_X540 - Initialize EEPROM params
* @hw: pointer to hardware structure
**/
static s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw)
{
struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
u32 eec;
u16 eeprom_size;
if (eeprom->type == ixgbe_eeprom_uninitialized) {
eeprom->semaphore_delay = 10;
eeprom->type = ixgbe_flash;
eec = IXGBE_READ_REG(hw, IXGBE_EEC);
eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >>
IXGBE_EEC_SIZE_SHIFT);
eeprom->word_size = 1 << (eeprom_size +
IXGBE_EEPROM_WORD_SIZE_SHIFT);
hw_dbg(hw, "Eeprom params: type = %d, size = %d\n",
eeprom->type, eeprom->word_size);
}
return 0;
}
/**
* ixgbe_read_eerd_X540 - Read EEPROM word using EERD
* @hw: pointer to hardware structure
* @offset: offset of word in the EEPROM to read
* @data: word read from the EERPOM
**/
static s32 ixgbe_read_eerd_X540(struct ixgbe_hw *hw, u16 offset, u16 *data)
{
s32 status;
if (ixgbe_acquire_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM))
status = ixgbe_read_eerd_generic(hw, offset, data);
else
status = IXGBE_ERR_SWFW_SYNC;
ixgbe_release_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM);
return status;
}
/**
* ixgbe_write_eewr_X540 - Write EEPROM word using EEWR
* @hw: pointer to hardware structure
* @offset: offset of word in the EEPROM to write
* @data: word write to the EEPROM
*
* Write a 16 bit word to the EEPROM using the EEWR register.
**/
static s32 ixgbe_write_eewr_X540(struct ixgbe_hw *hw, u16 offset, u16 data)
{
u32 eewr;
s32 status;
hw->eeprom.ops.init_params(hw);
if (offset >= hw->eeprom.word_size) {
status = IXGBE_ERR_EEPROM;
goto out;
}
eewr = (offset << IXGBE_EEPROM_RW_ADDR_SHIFT) |
(data << IXGBE_EEPROM_RW_REG_DATA) |
IXGBE_EEPROM_RW_REG_START;
if (ixgbe_acquire_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM)) {
status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE);
if (status != 0) {
hw_dbg(hw, "Eeprom write EEWR timed out\n");
goto out;
}
IXGBE_WRITE_REG(hw, IXGBE_EEWR, eewr);
status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE);
if (status != 0) {
hw_dbg(hw, "Eeprom write EEWR timed out\n");
goto out;
}
} else {
status = IXGBE_ERR_SWFW_SYNC;
}
out:
ixgbe_release_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM);
return status;
}
/**
* ixgbe_calc_eeprom_checksum_X540 - Calculates and returns the checksum
* @hw: pointer to hardware structure
**/
static u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
{
u16 i;
u16 j;
u16 checksum = 0;
u16 length = 0;
u16 pointer = 0;
u16 word = 0;
/* Include 0x0-0x3F in the checksum */
for (i = 0; i < IXGBE_EEPROM_CHECKSUM; i++) {
if (hw->eeprom.ops.read(hw, i, &word) != 0) {
hw_dbg(hw, "EEPROM read failed\n");
break;
}
checksum += word;
}
/*
* Include all data from pointers 0x3, 0x6-0xE. This excludes the
* FW, PHY module, and PCIe Expansion/Option ROM pointers.
*/
for (i = IXGBE_PCIE_ANALOG_PTR; i < IXGBE_FW_PTR; i++) {
if (i == IXGBE_PHY_PTR || i == IXGBE_OPTION_ROM_PTR)
continue;
if (hw->eeprom.ops.read(hw, i, &pointer) != 0) {
hw_dbg(hw, "EEPROM read failed\n");
break;
}
/* Skip pointer section if the pointer is invalid. */
if (pointer == 0xFFFF || pointer == 0 ||
pointer >= hw->eeprom.word_size)
continue;
if (hw->eeprom.ops.read(hw, pointer, &length) != 0) {
hw_dbg(hw, "EEPROM read failed\n");
break;
}
/* Skip pointer section if length is invalid. */
if (length == 0xFFFF || length == 0 ||
(pointer + length) >= hw->eeprom.word_size)
continue;
for (j = pointer+1; j <= pointer+length; j++) {
if (hw->eeprom.ops.read(hw, j, &word) != 0) {
hw_dbg(hw, "EEPROM read failed\n");
break;
}
checksum += word;
}
}
checksum = (u16)IXGBE_EEPROM_SUM - checksum;
return checksum;
}
/**
* ixgbe_update_eeprom_checksum_X540 - Updates the EEPROM checksum and flash
* @hw: pointer to hardware structure
*
* After writing EEPROM to shadow RAM using EEWR register, software calculates
* checksum and updates the EEPROM and instructs the hardware to update
* the flash.
**/
static s32 ixgbe_update_eeprom_checksum_X540(struct ixgbe_hw *hw)
{
s32 status;
status = ixgbe_update_eeprom_checksum_generic(hw);
if (status)
status = ixgbe_update_flash_X540(hw);
return status;
}
/**
* ixgbe_update_flash_X540 - Instruct HW to copy EEPROM to Flash device
* @hw: pointer to hardware structure
*
* Set FLUP (bit 23) of the EEC register to instruct Hardware to copy
* EEPROM from shadow RAM to the flash device.
**/
static s32 ixgbe_update_flash_X540(struct ixgbe_hw *hw)
{
u32 flup;
s32 status = IXGBE_ERR_EEPROM;
status = ixgbe_poll_flash_update_done_X540(hw);
if (status == IXGBE_ERR_EEPROM) {
hw_dbg(hw, "Flash update time out\n");
goto out;
}
flup = IXGBE_READ_REG(hw, IXGBE_EEC) | IXGBE_EEC_FLUP;
IXGBE_WRITE_REG(hw, IXGBE_EEC, flup);
status = ixgbe_poll_flash_update_done_X540(hw);
if (status)
hw_dbg(hw, "Flash update complete\n");
else
hw_dbg(hw, "Flash update time out\n");
if (hw->revision_id == 0) {
flup = IXGBE_READ_REG(hw, IXGBE_EEC);
if (flup & IXGBE_EEC_SEC1VAL) {
flup |= IXGBE_EEC_FLUP;
IXGBE_WRITE_REG(hw, IXGBE_EEC, flup);
}
status = ixgbe_poll_flash_update_done_X540(hw);
if (status)
hw_dbg(hw, "Flash update complete\n");
else
hw_dbg(hw, "Flash update time out\n");
}
out:
return status;
}
/**
* ixgbe_poll_flash_update_done_X540 - Poll flash update status
* @hw: pointer to hardware structure
*
* Polls the FLUDONE (bit 26) of the EEC Register to determine when the
* flash update is done.
**/
static s32 ixgbe_poll_flash_update_done_X540(struct ixgbe_hw *hw)
{
u32 i;
u32 reg;
s32 status = IXGBE_ERR_EEPROM;
for (i = 0; i < IXGBE_FLUDONE_ATTEMPTS; i++) {
reg = IXGBE_READ_REG(hw, IXGBE_EEC);
if (reg & IXGBE_EEC_FLUDONE) {
status = 0;
break;
}
udelay(5);
}
return status;
}
/**
* ixgbe_acquire_swfw_sync_X540 - Acquire SWFW semaphore
* @hw: pointer to hardware structure
* @mask: Mask to specify which semaphore to acquire
*
* Acquires the SWFW semaphore thought the SW_FW_SYNC register for
* the specified function (CSR, PHY0, PHY1, NVM, Flash)
**/
static s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask)
{
u32 swfw_sync;
u32 swmask = mask;
u32 fwmask = mask << 5;
u32 hwmask = 0;
u32 timeout = 200;
u32 i;
if (swmask == IXGBE_GSSR_EEP_SM)
hwmask = IXGBE_GSSR_FLASH_SM;
for (i = 0; i < timeout; i++) {
/*
* SW NVM semaphore bit is used for access to all
* SW_FW_SYNC bits (not just NVM)
*/
if (ixgbe_get_swfw_sync_semaphore(hw))
return IXGBE_ERR_SWFW_SYNC;
swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
if (!(swfw_sync & (fwmask | swmask | hwmask))) {
swfw_sync |= swmask;
IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync);
ixgbe_release_swfw_sync_semaphore(hw);
break;
} else {
/*
* Firmware currently using resource (fwmask),
* hardware currently using resource (hwmask),
* or other software thread currently using
* resource (swmask)
*/
ixgbe_release_swfw_sync_semaphore(hw);
msleep(5);
}
}
/*
* If the resource is not released by the FW/HW the SW can assume that
* the FW/HW malfunctions. In that case the SW should sets the
* SW bit(s) of the requested resource(s) while ignoring the
* corresponding FW/HW bits in the SW_FW_SYNC register.
*/
if (i >= timeout) {
swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
if (swfw_sync & (fwmask | hwmask)) {
if (ixgbe_get_swfw_sync_semaphore(hw))
return IXGBE_ERR_SWFW_SYNC;
swfw_sync |= swmask;
IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync);
ixgbe_release_swfw_sync_semaphore(hw);
}
}
msleep(5);
return 0;
}
/**
* ixgbe_release_swfw_sync_X540 - Release SWFW semaphore
* @hw: pointer to hardware structure
* @mask: Mask to specify which semaphore to release
*
* Releases the SWFW semaphore throught the SW_FW_SYNC register
* for the specified function (CSR, PHY0, PHY1, EVM, Flash)
**/
static void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask)
{
u32 swfw_sync;
u32 swmask = mask;
ixgbe_get_swfw_sync_semaphore(hw);
swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
swfw_sync &= ~swmask;
IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync);
ixgbe_release_swfw_sync_semaphore(hw);
msleep(5);
}
/**
* ixgbe_get_nvm_semaphore - Get hardware semaphore
* @hw: pointer to hardware structure
*
* Sets the hardware semaphores so SW/FW can gain control of shared resources
**/
static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw)
{
s32 status = IXGBE_ERR_EEPROM;
u32 timeout = 2000;
u32 i;
u32 swsm;
/* Get SMBI software semaphore between device drivers first */
for (i = 0; i < timeout; i++) {
/*
* If the SMBI bit is 0 when we read it, then the bit will be
* set and we have the semaphore
*/
swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
if (!(swsm & IXGBE_SWSM_SMBI)) {
status = 0;
break;
}
udelay(50);
}
/* Now get the semaphore between SW/FW through the REGSMP bit */
if (status) {
for (i = 0; i < timeout; i++) {
swsm = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
if (!(swsm & IXGBE_SWFW_REGSMP))
break;
udelay(50);
}
} else {
hw_dbg(hw, "Software semaphore SMBI between device drivers "
"not granted.\n");
}
return status;
}
/**
* ixgbe_release_nvm_semaphore - Release hardware semaphore
* @hw: pointer to hardware structure
*
* This function clears hardware semaphore bits.
**/
static void ixgbe_release_swfw_sync_semaphore(struct ixgbe_hw *hw)
{
u32 swsm;
/* Release both semaphores by writing 0 to the bits REGSMP and SMBI */
swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
swsm &= ~IXGBE_SWSM_SMBI;
IXGBE_WRITE_REG(hw, IXGBE_SWSM, swsm);
swsm = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
swsm &= ~IXGBE_SWFW_REGSMP;
IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swsm);
IXGBE_WRITE_FLUSH(hw);
}
static struct ixgbe_mac_operations mac_ops_X540 = {
.init_hw = &ixgbe_init_hw_generic,
.reset_hw = &ixgbe_reset_hw_X540,
.start_hw = &ixgbe_start_hw_generic,
.clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic,
.get_media_type = &ixgbe_get_media_type_X540,
.get_supported_physical_layer =
&ixgbe_get_supported_physical_layer_X540,
.enable_rx_dma = &ixgbe_enable_rx_dma_generic,
.get_mac_addr = &ixgbe_get_mac_addr_generic,
.get_san_mac_addr = &ixgbe_get_san_mac_addr_generic,
.get_device_caps = NULL,
.get_wwn_prefix = &ixgbe_get_wwn_prefix_generic,
.stop_adapter = &ixgbe_stop_adapter_generic,
.get_bus_info = &ixgbe_get_bus_info_generic,
.set_lan_id = &ixgbe_set_lan_id_multi_port_pcie,
.read_analog_reg8 = NULL,
.write_analog_reg8 = NULL,
.setup_link = &ixgbe_setup_mac_link_X540,
.check_link = &ixgbe_check_mac_link_generic,
.get_link_capabilities = &ixgbe_get_copper_link_capabilities_generic,
.led_on = &ixgbe_led_on_generic,
.led_off = &ixgbe_led_off_generic,
.blink_led_start = &ixgbe_blink_led_start_generic,
.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_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_generic,
.set_vfta = &ixgbe_set_vfta_generic,
.fc_enable = &ixgbe_fc_enable_generic,
.init_uta_tables = &ixgbe_init_uta_tables_generic,
.setup_sfp = NULL,
};
static struct ixgbe_eeprom_operations eeprom_ops_X540 = {
.init_params = &ixgbe_init_eeprom_params_X540,
.read = &ixgbe_read_eerd_X540,
.write = &ixgbe_write_eewr_X540,
.calc_checksum = &ixgbe_calc_eeprom_checksum_X540,
.validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
.update_checksum = &ixgbe_update_eeprom_checksum_X540,
};
static struct ixgbe_phy_operations phy_ops_X540 = {
.identify = &ixgbe_identify_phy_generic,
.identify_sfp = &ixgbe_identify_sfp_module_generic,
.init = NULL,
.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_X540_info = {
.mac = ixgbe_mac_X540,
.get_invariants = &ixgbe_get_invariants_X540,
.mac_ops = &mac_ops_X540,
.eeprom_ops = &eeprom_ops_X540,
.phy_ops = &phy_ops_X540,
.mbx_ops = &mbx_ops_generic,
};

2
drivers/net/ixgbevf/Makefile
View File

@ -1,7 +1,7 @@
################################################################################
#
# Intel 82599 Virtual Function driver
# Copyright(c) 1999 - 2009 Intel Corporation.
# Copyright(c) 1999 - 2010 Intel Corporation.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,

2
drivers/net/ixgbevf/defines.h
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2009 Intel Corporation.
Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

2
drivers/net/ixgbevf/ixgbevf.h
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2009 Intel Corporation.
Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

13
drivers/net/ixgbevf/ixgbevf_main.c
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2009 Intel Corporation.
Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@ -51,9 +51,10 @@ char ixgbevf_driver_name[] = "ixgbevf";
static const char ixgbevf_driver_string[] =
"Intel(R) 82599 Virtual Function";
#define DRV_VERSION "1.0.0-k0"
#define DRV_VERSION "1.0.12-k0"
const char ixgbevf_driver_version[] = DRV_VERSION;
static char ixgbevf_copyright[] = "Copyright (c) 2009 Intel Corporation.";
static char ixgbevf_copyright[] =
"Copyright (c) 2009 - 2010 Intel Corporation.";
static const struct ixgbevf_info *ixgbevf_info_tbl[] = {
[board_82599_vf] = &ixgbevf_vf_info,
@ -3424,10 +3425,6 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev,
if (hw->mac.ops.get_bus_info)
hw->mac.ops.get_bus_info(hw);
netif_carrier_off(netdev);
netif_tx_stop_all_queues(netdev);
strcpy(netdev->name, "eth%d");
err = register_netdev(netdev);
@ -3436,6 +3433,8 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev,
adapter->netdev_registered = true;
netif_carrier_off(netdev);
ixgbevf_init_last_counter_stats(adapter);
/* print the MAC address */

2
drivers/net/ixgbevf/mbx.c
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2009 Intel Corporation.
Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

2
drivers/net/ixgbevf/mbx.h
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2009 Intel Corporation.
Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

2
drivers/net/ixgbevf/regs.h
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2009 Intel Corporation.
Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

2
drivers/net/ixgbevf/vf.c
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2009 Intel Corporation.
Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,

2
drivers/net/ixgbevf/vf.h
View File

@ -1,7 +1,7 @@
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2009 Intel Corporation.
Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,