igbvf.h File Reference

#include "igbvf_vf.h"

Go to the source code of this file.

Data Structures
struct	igbvf_queue_stats
struct	igbvf_buffer
struct	igbvf_ring
struct	igbvf_adapter
struct	igbvf_info

Macros
#define	_IGBVF_H_
#define	IGBVF_START_ITR   648 /* ~6000 ints/sec */
#define	IGBVF_DEFAULT_TXD   256
#define	IGBVF_MAX_TXD   4096
#define	IGBVF_MIN_TXD   80
#define	IGBVF_DEFAULT_RXD   256
#define	IGBVF_MAX_RXD   4096
#define	IGBVF_MIN_RXD   80
#define	IGBVF_MIN_ITR_USECS   10 /* 100000 irq/sec */
#define	IGBVF_MAX_ITR_USECS   10000 /* 100 irq/sec */
#define	IGBVF_RX_PTHRESH   16
#define	IGBVF_RX_HTHRESH   8
#define	IGBVF_RX_WTHRESH   1
#define	IGBVF_TX_PTHRESH   8
#define	IGBVF_TX_HTHRESH   1
#define	IGBVF_TX_WTHRESH   1
#define	MAXIMUM_ETHERNET_VLAN_SIZE   1522
#define	IGBVF_FC_PAUSE_TIME   0x0680 /* 858 usec */
#define	IGBVF_TX_QUEUE_WAKE   32
#define	IGBVF_RX_BUFFER_WRITE   16 /* Must be power of 2 */
#define	AUTO_ALL_MODES   0
#define	IGBVF_EEPROM_APME   0x0400
#define	IGBVF_MNG_VLAN_NONE   (-1)
#define	NUM_TX_DESC   8
#define	NUM_RX_DESC   8
#define	IGBVF_FLAG_RX_CSUM_DISABLED   (1 << 0)
#define	IGBVF_DESC_UNUSED(R)
#define	IGBVF_RX_DESC_ADV(R, i)
#define	IGBVF_TX_DESC_ADV(R, i)
#define	IGBVF_TX_CTXTDESC_ADV(R, i)
#define	er32(reg)
#define	ew32(reg, val)
#define	e1e_flush()

Enumerations
enum	igbvf_boards { board_vf }
enum	igbvf_state_t { __IGBVF_TESTING , __IGBVF_RESETTING , __IGBVF_DOWN }
enum	latency_range { lowest_latency = 0 , low_latency = 1 , bulk_latency = 2 , latency_invalid = 255 }

Functions
	FILE_LICENCE (GPL2_ONLY)
void	igbvf_check_options (struct igbvf_adapter *adapter)
void	igbvf_set_ethtool_ops (struct net_device *netdev)
int	igbvf_up (struct igbvf_adapter *adapter)
void	igbvf_down (struct igbvf_adapter *adapter)
void	igbvf_reinit_locked (struct igbvf_adapter *adapter)
void	igbvf_reset (struct igbvf_adapter *adapter)
int	igbvf_setup_rx_resources (struct igbvf_adapter *adapter)
	igbvf_setup_rx_resources - allocate Rx resources (Descriptors)
int	igbvf_setup_tx_resources (struct igbvf_adapter *adapter)
	igbvf_setup_tx_resources - allocate Tx resources (Descriptors)
void	igbvf_free_rx_resources (struct igbvf_adapter *adapter)
	igbvf_free_rx_resources - Free Rx Resources @adapter: board private structure
void	igbvf_free_tx_resources (struct igbvf_adapter *adapter)
	igbvf_free_tx_resources - Free Tx Resources per Queue @adapter: board private structure
void	igbvf_update_stats (struct igbvf_adapter *adapter)
void	igbvf_set_interrupt_capability (struct igbvf_adapter *adapter)
void	igbvf_reset_interrupt_capability (struct igbvf_adapter *adapter)
static u32	__er32 (struct e1000_hw *hw, unsigned long reg)
static void	__ew32 (struct e1000_hw *hw, unsigned long reg, u32 val)

Variables
char	igbvf_driver_name []
const char	igbvf_driver_version []
unsigned int	copybreak

Macro Definition Documentation

_IGBVF_H_

#define _IGBVF_H_

Definition at line 34 of file igbvf.h.

IGBVF_START_ITR

#define IGBVF_START_ITR   648 /* ~6000 ints/sec */

Definition at line 43 of file igbvf.h.

IGBVF_DEFAULT_TXD

#define IGBVF_DEFAULT_TXD   256

Definition at line 46 of file igbvf.h.

IGBVF_MAX_TXD

#define IGBVF_MAX_TXD   4096

Definition at line 47 of file igbvf.h.

IGBVF_MIN_TXD

#define IGBVF_MIN_TXD   80

Definition at line 48 of file igbvf.h.

IGBVF_DEFAULT_RXD

#define IGBVF_DEFAULT_RXD   256

Definition at line 50 of file igbvf.h.

IGBVF_MAX_RXD

#define IGBVF_MAX_RXD   4096

Definition at line 51 of file igbvf.h.

IGBVF_MIN_RXD

#define IGBVF_MIN_RXD   80

Definition at line 52 of file igbvf.h.

IGBVF_MIN_ITR_USECS

#define IGBVF_MIN_ITR_USECS   10 /* 100000 irq/sec */

Definition at line 54 of file igbvf.h.

IGBVF_MAX_ITR_USECS

#define IGBVF_MAX_ITR_USECS   10000 /* 100 irq/sec */

Definition at line 55 of file igbvf.h.

IGBVF_RX_PTHRESH

#define IGBVF_RX_PTHRESH   16

Definition at line 68 of file igbvf.h.

Referenced by igbvf_configure_rx().

IGBVF_RX_HTHRESH

#define IGBVF_RX_HTHRESH   8

Definition at line 69 of file igbvf.h.

Referenced by igbvf_configure_rx().

IGBVF_RX_WTHRESH

#define IGBVF_RX_WTHRESH   1

Definition at line 70 of file igbvf.h.

Referenced by igbvf_configure_rx().

IGBVF_TX_PTHRESH

#define IGBVF_TX_PTHRESH   8

Definition at line 72 of file igbvf.h.

IGBVF_TX_HTHRESH

#define IGBVF_TX_HTHRESH   1

Definition at line 73 of file igbvf.h.

IGBVF_TX_WTHRESH

#define IGBVF_TX_WTHRESH   1

Definition at line 74 of file igbvf.h.

MAXIMUM_ETHERNET_VLAN_SIZE

#define MAXIMUM_ETHERNET_VLAN_SIZE   1522

Definition at line 77 of file igbvf.h.

Referenced by igbvf_refill_rx_ring(), igbvf_setup_rx_resources(), and igbvf_sw_init().

IGBVF_FC_PAUSE_TIME

#define IGBVF_FC_PAUSE_TIME   0x0680 /* 858 usec */

Definition at line 79 of file igbvf.h.

IGBVF_TX_QUEUE_WAKE

#define IGBVF_TX_QUEUE_WAKE   32

Definition at line 82 of file igbvf.h.

IGBVF_RX_BUFFER_WRITE

#define IGBVF_RX_BUFFER_WRITE   16 /* Must be power of 2 */

Definition at line 84 of file igbvf.h.

AUTO_ALL_MODES

#define AUTO_ALL_MODES   0

Definition at line 86 of file igbvf.h.

IGBVF_EEPROM_APME

#define IGBVF_EEPROM_APME   0x0400

Definition at line 87 of file igbvf.h.

IGBVF_MNG_VLAN_NONE

#define IGBVF_MNG_VLAN_NONE   (-1)

Definition at line 89 of file igbvf.h.

NUM_TX_DESC

#define NUM_TX_DESC   8

Definition at line 280 of file igbvf.h.

Referenced by igbvf_probe(), igbvf_process_tx_packets(), igbvf_transmit(), sis190_free(), sis190_init_ring(), sis190_process_tx(), sis190_transmit(), skge_tx_avail(), and skge_up().

NUM_RX_DESC

#define NUM_RX_DESC   8

Definition at line 281 of file igbvf.h.

Referenced by igbvf_configure_rx(), igbvf_free_rx_resources(), igbvf_probe(), igbvf_process_rx_packets(), igbvf_refill_rx_ring(), igbvf_setup_rx_resources(), sis190_free(), sis190_init_ring(), sis190_process_rx(), sis190_rx_fill(), sis900_init_rxd(), sis900_poll(), skge_rx_done(), skge_rx_refill(), and skge_up().

IGBVF_FLAG_RX_CSUM_DISABLED

#define IGBVF_FLAG_RX_CSUM_DISABLED   (1 << 0)

Definition at line 315 of file igbvf.h.

IGBVF_DESC_UNUSED

#define IGBVF_DESC_UNUSED

(

R

)

Value:

        ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
        (R)->next_to_clean - (R)->next_to_use - 1)

Definition at line 317 of file igbvf.h.

#define IGBVF_DESC_UNUSED(R) \
        ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
        (R)->next_to_clean - (R)->next_to_use - 1)

IGBVF_RX_DESC_ADV

#define IGBVF_RX_DESC_ADV	(		R,
			i )

Value:

        (&(((union e1000_adv_rx_desc *)((R).desc))[i]))

Definition at line 321 of file igbvf.h.

#define IGBVF_RX_DESC_ADV(R, i)     \
        (&(((union e1000_adv_rx_desc *)((R).desc))[i]))

IGBVF_TX_DESC_ADV

#define IGBVF_TX_DESC_ADV	(		R,
			i )

Value:

        (&(((union e1000_adv_tx_desc *)((R).desc))[i]))

Definition at line 323 of file igbvf.h.

#define IGBVF_TX_DESC_ADV(R, i)     \
        (&(((union e1000_adv_tx_desc *)((R).desc))[i]))

IGBVF_TX_CTXTDESC_ADV

#define IGBVF_TX_CTXTDESC_ADV	(		R,
			i )

Value:

        (&(((struct e1000_adv_tx_context_desc *)((R).desc))[i]))

Definition at line 325 of file igbvf.h.

#define IGBVF_TX_CTXTDESC_ADV(R, i)         \
        (&(((struct e1000_adv_tx_context_desc *)((R).desc))[i]))

er32

#define er32

(

reg

)

Value:

E1000_READ_REG(hw, E1000_##reg)

Definition at line 373 of file igbvf.h.

Referenced by igbvf_close(), igbvf_config_collision_dist(), igbvf_configure_rx(), igbvf_configure_tx(), igbvf_get_hw_control(), and igbvf_process_rx_packets().

ew32

#define ew32	(		reg,
			val )

Value:

E1000_WRITE_REG(hw, E1000_##reg, (val))

Definition at line 374 of file igbvf.h.

Referenced by igbvf_close(), igbvf_config_collision_dist(), igbvf_configure_rx(), igbvf_configure_tx(), igbvf_get_hw_control(), igbvf_irq_disable(), igbvf_irq_enable(), igbvf_refill_rx_ring(), igbvf_setup_srrctl(), and igbvf_transmit().

e1e_flush

#define e1e_flush

(

)

Value:

er32(STATUS)

Definition at line 375 of file igbvf.h.

Referenced by igbvf_config_collision_dist(), igbvf_configure_tx(), and igbvf_transmit().

Enumeration Type Documentation

igbvf_boards

enum igbvf_boards

Enumerator
board_vf

Definition at line 91 of file igbvf.h.

                  {
        board_vf,
};

igbvf_state_t

enum igbvf_state_t

Enumerator
__IGBVF_TESTING
__IGBVF_RESETTING
__IGBVF_DOWN

Definition at line 328 of file igbvf.h.

                   {
        __IGBVF_TESTING,
        __IGBVF_RESETTING,
        __IGBVF_DOWN
};

latency_range

enum latency_range

Enumerator
lowest_latency
low_latency
bulk_latency
latency_invalid

Definition at line 334 of file igbvf.h.

                   {
        lowest_latency = 0,
        low_latency = 1,
        bulk_latency = 2,
        latency_invalid = 255
};

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_ONLY

)

igbvf_check_options()

void igbvf_check_options ( struct igbvf_adapter * adapter )

extern

igbvf_set_ethtool_ops()

void igbvf_set_ethtool_ops ( struct net_device * netdev )

extern

References netdev.

igbvf_up()

int igbvf_up ( struct igbvf_adapter * adapter )

extern

igbvf_down()

void igbvf_down ( struct igbvf_adapter * adapter )

extern

igbvf_reinit_locked()

void igbvf_reinit_locked ( struct igbvf_adapter * adapter )

extern

igbvf_reset()

void igbvf_reset ( struct igbvf_adapter * adapter )

extern

Definition at line 426 of file igbvf_main.c.

{
        struct e1000_mac_info *mac = &adapter->hw.mac;
        struct net_device *netdev = adapter->netdev;
        struct e1000_hw *hw = &adapter->hw;
 
        /* Allow time for pending master requests to run */
        if ( mac->ops.reset_hw(hw) )
                DBG ("PF still resetting\n");
 
        mac->ops.init_hw ( hw );
 
        if ( is_valid_ether_addr(adapter->hw.mac.addr) ) {
                memcpy ( netdev->hw_addr, adapter->hw.mac.addr, ETH_ALEN );
        }
}

References e1000_mac_info::addr, DBG, ETH_ALEN, igbvf_adapter::hw, is_valid_ether_addr(), e1000_hw::mac, mac, memcpy(), igbvf_adapter::netdev, and netdev.

Referenced by igbvf_close(), igbvf_open(), igbvf_probe(), and igbvf_remove().

igbvf_setup_rx_resources()

int igbvf_setup_rx_resources ( struct igbvf_adapter * adapter )

extern

igbvf_setup_rx_resources - allocate Rx resources (Descriptors)

Parameters

adapter

e1000 private structure

Definition at line 564 of file igbvf_main.c.

{
        int i;
        union e1000_adv_rx_desc *rx_curr_desc;
        struct io_buffer *iob;
 
        DBG ( "igbvf_setup_rx_resources\n" );
 
        /* Allocate receive descriptor ring memory.
           It must not cross a 64K boundary because of hardware errata
         */
 
        adapter->rx_base =
                malloc_phys ( adapter->rx_ring_size, adapter->rx_ring_size );
 
        if ( ! adapter->rx_base ) {
                return -ENOMEM;
        }
        memset ( adapter->rx_base, 0, adapter->rx_ring_size );
 
        for ( i = 0; i < NUM_RX_DESC; i++ ) {
                rx_curr_desc = adapter->rx_base + i;
                iob = alloc_iob ( MAXIMUM_ETHERNET_VLAN_SIZE );
                adapter->rx_iobuf[i] = iob;
                rx_curr_desc->wb.upper.status_error = 0;
                if ( ! iob ) {
                        DBG ( "alloc_iob failed\n" );
                        return -ENOMEM;
                } else {
                        rx_curr_desc->read.pkt_addr = virt_to_bus ( iob->data );
                        rx_curr_desc->read.hdr_addr = 0;
                }
        }
 
        return 0;
}

References alloc_iob(), io_buffer::data, DBG, ENOMEM, e1000_adv_rx_desc::hdr_addr, malloc_phys(), MAXIMUM_ETHERNET_VLAN_SIZE, memset(), NUM_RX_DESC, e1000_adv_rx_desc::pkt_addr, e1000_adv_rx_desc::read, igbvf_adapter::rx_base, igbvf_adapter::rx_iobuf, igbvf_adapter::rx_ring_size, e1000_adv_rx_desc::status_error, e1000_adv_rx_desc::upper, virt_to_bus(), and e1000_adv_rx_desc::wb.

Referenced by igbvf_open().

igbvf_setup_tx_resources()

int igbvf_setup_tx_resources ( struct igbvf_adapter * adapter )

extern

igbvf_setup_tx_resources - allocate Tx resources (Descriptors)

Parameters

adapter

e1000 private structure

Return values

rc	Returns 0 on success, negative on failure

Definition at line 43 of file igbvf_main.c.

{
        DBG ( "igbvf_setup_tx_resources\n" );
 
        /* Allocate transmit descriptor ring memory.
           It must not cross a 64K boundary because of hardware errata #23
           so we use malloc_phys() requesting a 128 byte block that is
           128 byte aligned. This should guarantee that the memory
           allocated will not cross a 64K boundary, because 128 is an
           even multiple of 65536 ( 65536 / 128 == 512 ), so all possible
           allocations of 128 bytes on a 128 byte boundary will not
           cross 64K bytes.
         */
 
        adapter->tx_base =
                malloc_phys ( adapter->tx_ring_size, adapter->tx_ring_size );
 
        if ( ! adapter->tx_base ) {
                return -ENOMEM;
        }
 
        memset ( adapter->tx_base, 0, adapter->tx_ring_size );
 
        DBG ( "adapter->tx_base = %#08lx\n", virt_to_bus ( adapter->tx_base ) );
 
        return 0;
}

References DBG, ENOMEM, malloc_phys(), memset(), igbvf_adapter::tx_base, igbvf_adapter::tx_ring_size, and virt_to_bus().

Referenced by igbvf_open().

igbvf_free_rx_resources()

void igbvf_free_rx_resources ( struct igbvf_adapter * adapter )

extern

igbvf_free_rx_resources - Free Rx Resources @adapter: board private structure

Free all receive software resources

Definition at line 90 of file igbvf_main.c.

{
        int i;
 
        DBG ( "igbvf_free_rx_resources\n" );
 
        free_phys ( adapter->rx_base, adapter->rx_ring_size );
 
        for ( i = 0; i < NUM_RX_DESC; i++ ) {
                free_iob ( adapter->rx_iobuf[i] );
        }
}

References DBG, free_iob(), free_phys(), NUM_RX_DESC, igbvf_adapter::rx_base, igbvf_adapter::rx_iobuf, and igbvf_adapter::rx_ring_size.

Referenced by igbvf_close().

igbvf_free_tx_resources()

void igbvf_free_tx_resources ( struct igbvf_adapter * adapter )

extern

igbvf_free_tx_resources - Free Tx Resources per Queue @adapter: board private structure

Free all transmit software resources

Definition at line 77 of file igbvf_main.c.

{
        DBG ( "igbvf_free_tx_resources\n" );
 
        free_phys ( adapter->tx_base, adapter->tx_ring_size );
}

References DBG, free_phys(), igbvf_adapter::tx_base, and igbvf_adapter::tx_ring_size.

Referenced by igbvf_close(), and igbvf_open().

igbvf_update_stats()

void igbvf_update_stats ( struct igbvf_adapter * adapter )

extern

igbvf_set_interrupt_capability()

void igbvf_set_interrupt_capability ( struct igbvf_adapter * adapter )

extern

igbvf_reset_interrupt_capability()

void igbvf_reset_interrupt_capability ( struct igbvf_adapter * adapter )

extern

References copybreak.

__er32()

u32 __er32 ( struct e1000_hw * hw, unsigned long reg )

inlinestatic

Definition at line 364 of file igbvf.h.

{
        return readl(hw->hw_addr + reg);
}

References readl, reg, and u32.

__ew32()

void __ew32 ( struct e1000_hw * hw, unsigned long reg, u32 val )

inlinestatic

Definition at line 369 of file igbvf.h.

{
        writel(val, hw->hw_addr + reg);
}

References reg, u32, val, and writel.

Variable Documentation

igbvf_driver_name

char igbvf_driver_name[]

extern

igbvf_driver_version

const char igbvf_driver_version[]

extern

copybreak

unsigned int copybreak

extern

Referenced by igbvf_reset_interrupt_capability().