#include <linux/bitmap.h>
#include <linux/crc32.h>
#include <linux/ctype.h>
#include <linux/debugfs.h>
#include <linux/err.h>
#include <linux/etherdevice.h>
#include <linux/firmware.h>
#include <linux/if.h>
#include <linux/if_vlan.h>
#include <linux/init.h>
#include <linux/log2.h>
#include <linux/mdio.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/aer.h>
#include <linux/rtnetlink.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/sockios.h>
#include <linux/vmalloc.h>
#include <linux/workqueue.h>
#include <net/neighbour.h>
#include <net/netevent.h>
#include <asm/uaccess.h>
#include "cxgb4.h"
#include "t4_regs.h"
#include "t4_msg.h"
#include "t4fw_api.h"
#include "l2t.h"

Data Structures
struct	queue_port_stats

Macros
#define	pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#define	DRV_VERSION "1.3.0-ko"

#define	DRV_DESC "Chelsio T4 Network Driver"

#define	MAX_SGE_TIMERVAL 200U

#define	DFLT_MSG_ENABLE

#define	CH_DEVICE(devid, data) { PCI_VDEVICE(CHELSIO, devid), (data) }

#define	FW_FNAME "cxgb4/t4fw.bin"

#define	FW_CFNAME "cxgb4/t4-config.txt"

#define	T4_REGMAP_SIZE (160 * 1024)

#define	EEPROM_MAGIC 0x38E2F10C

#define	WOL_SUPPORTED (WAKE_BCAST \| WAKE_MAGIC)

#define	BCAST_CRC 0xa0ccc1a6

#define	MAX_ATIDS 8192U

#define	FW_PARAM_DEV(param)

#define	FW_PARAM_PFVF(param)

#define	EXTRA_VECS 2

#define	TSO_FLAGS (NETIF_F_TSO \| NETIF_F_TSO6 \| NETIF_F_TSO_ECN)

#define	VLAN_FEAT

Enumerations
enum	{ PFRES_NVI = 4, PFRES_NETHCTRL = 128, PFRES_NIQFLINT = 128, PFRES_NEQ = 256, PFRES_NIQ = 0, PFRES_TC = 0, PFRES_NEXACTF = 128, PFRES_R_CAPS = FW_CMD_CAP_PF, PFRES_WX_CAPS = FW_CMD_CAP_PF }

enum	{ MAX_TXQ_ENTRIES = 16384, MAX_CTRL_TXQ_ENTRIES = 1024, MAX_RSPQ_ENTRIES = 16384, MAX_RX_BUFFERS = 16384, MIN_TXQ_ENTRIES = 32, MIN_CTRL_TXQ_ENTRIES = 32, MIN_RSPQ_ENTRIES = 128, MIN_FL_ENTRIES = 16 }

enum	{ TP_VLAN_PRI_MAP_DEFAULT = HW_TPL_FR_MT_PR_IV_P_FC, TP_VLAN_PRI_MAP_FIRST = FCOE_SHIFT, TP_VLAN_PRI_MAP_LAST = FRAGMENTATION_SHIFT }

Functions
	MODULE_DESCRIPTION (DRV_DESC)

	MODULE_AUTHOR ("Chelsio Communications")

	MODULE_LICENSE ("Dual BSD/GPL")

	MODULE_VERSION (DRV_VERSION)

	MODULE_DEVICE_TABLE (pci, cxgb4_pci_tbl)

	MODULE_FIRMWARE (FW_FNAME)

	module_param (force_init, uint, 0644)

	MODULE_PARM_DESC (force_init,"Forcibly become Master PF and initialize adapter")

	module_param (force_old_init, uint, 0644)

	MODULE_PARM_DESC (force_old_init,"Force old initialization sequence")

	module_param (dflt_msg_enable, int, 0644)

	MODULE_PARM_DESC (dflt_msg_enable,"Chelsio T4 default message enable bitmap")

	module_param (msi, int, 0644)

	MODULE_PARM_DESC (msi,"whether to use INTx (0), MSI (1) or MSI-X (2)")

	module_param_array (intr_holdoff, uint, NULL, 0644)

	MODULE_PARM_DESC (intr_holdoff,"values for queue interrupt hold-off timers ""0..4 in microseconds")

	module_param_array (intr_cnt, uint, NULL, 0644)

	MODULE_PARM_DESC (intr_cnt,"thresholds 1..3 for queue interrupt packet counters")

void	t4_os_link_changed (struct adapter *adapter, int port_id, int link_stat)

void	t4_os_portmod_changed (const struct adapter *adap, int port_id)

	module_param (dbfifo_int_thresh, int, 0644)

	MODULE_PARM_DESC (dbfifo_int_thresh,"doorbell fifo interrupt threshold")

	module_param (dbfifo_drain_delay, int, 0644)

	MODULE_PARM_DESC (dbfifo_drain_delay,"usecs to sleep while draining the dbfifo")

void *	t4_alloc_mem (size_t size)

int	cxgb4_alloc_atid (struct tid_info t, void data)

	EXPORT_SYMBOL (cxgb4_alloc_atid)

void	cxgb4_free_atid (struct tid_info *t, unsigned int atid)

	EXPORT_SYMBOL (cxgb4_free_atid)

int	cxgb4_alloc_stid (struct tid_info t, int family, void data)

	EXPORT_SYMBOL (cxgb4_alloc_stid)

void	cxgb4_free_stid (struct tid_info *t, unsigned int stid, int family)

	EXPORT_SYMBOL (cxgb4_free_stid)

void	cxgb4_remove_tid (struct tid_info *t, unsigned int chan, unsigned int tid)

	EXPORT_SYMBOL (cxgb4_remove_tid)

int	cxgb4_create_server (const struct net_device *dev, unsigned int stid, __be32 sip, __be16 sport, unsigned int queue)

	EXPORT_SYMBOL (cxgb4_create_server)

unsigned int	cxgb4_best_mtu (const unsigned short mtus, unsigned short mtu, unsigned int idx)

	EXPORT_SYMBOL (cxgb4_best_mtu)

unsigned int	cxgb4_port_chan (const struct net_device *dev)

	EXPORT_SYMBOL (cxgb4_port_chan)

unsigned int	cxgb4_dbfifo_count (const struct net_device *dev, int lpfifo)

	EXPORT_SYMBOL (cxgb4_dbfifo_count)

unsigned int	cxgb4_port_viid (const struct net_device *dev)

	EXPORT_SYMBOL (cxgb4_port_viid)

unsigned int	cxgb4_port_idx (const struct net_device *dev)

	EXPORT_SYMBOL (cxgb4_port_idx)

void	cxgb4_get_tcp_stats (struct pci_dev pdev, struct tp_tcp_stats v4, struct tp_tcp_stats *v6)

	EXPORT_SYMBOL (cxgb4_get_tcp_stats)

void	cxgb4_iscsi_init (struct net_device dev, unsigned int tag_mask, const unsigned int pgsz_order)

	EXPORT_SYMBOL (cxgb4_iscsi_init)

int	cxgb4_flush_eq_cache (struct net_device *dev)

	EXPORT_SYMBOL (cxgb4_flush_eq_cache)

int	cxgb4_sync_txq_pidx (struct net_device *dev, u16 qid, u16 pidx, u16 size)

	EXPORT_SYMBOL (cxgb4_sync_txq_pidx)

void	t4_db_full (struct adapter *adap)

void	t4_db_dropped (struct adapter *adap)

int	cxgb4_register_uld (enum cxgb4_uld type, const struct cxgb4_uld_info *p)

	EXPORT_SYMBOL (cxgb4_register_uld)

int	cxgb4_unregister_uld (enum cxgb4_uld type)

	EXPORT_SYMBOL (cxgb4_unregister_uld)

void	t4_fatal_err (struct adapter *adap)

	module_init (cxgb4_init_module)

	module_exit (cxgb4_cleanup_module)

Variables
int	dbfifo_int_thresh = 10

Macro Definition Documentation

#define BCAST_CRC 0xa0ccc1a6

Definition at line 1930 of file cxgb4_main.c.

#define CH_DEVICE	(	devid,
		data
	)	{ PCI_VDEVICE(CHELSIO, devid), (data) }

Definition at line 182 of file cxgb4_main.c.

#define DFLT_MSG_ENABLE

Value:

(NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \
             NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\
             NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR)

Definition at line 178 of file cxgb4_main.c.

#define DRV_DESC "Chelsio T4 Network Driver"

Definition at line 72 of file cxgb4_main.c.

#define DRV_VERSION "1.3.0-ko"

Definition at line 71 of file cxgb4_main.c.

#define EEPROM_MAGIC 0x38E2F10C

Definition at line 1832 of file cxgb4_main.c.

#define EXTRA_VECS 2

Definition at line 4285 of file cxgb4_main.c.

#define FW_CFNAME "cxgb4/t4-config.txt"

Definition at line 212 of file cxgb4_main.c.

#define FW_FNAME "cxgb4/t4fw.bin"

Definition at line 211 of file cxgb4_main.c.

#define FW_PARAM_DEV ( param )

Value:

(FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | \

FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_##param))

#define FW_PARAM_PFVF ( param )

Value:

FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | \
    FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_##param)|  \
    FW_PARAMS_PARAM_Y(0) | \
    FW_PARAMS_PARAM_Z(0)

#define MAX_ATIDS 8192U

Definition at line 3255 of file cxgb4_main.c.

#define MAX_SGE_TIMERVAL 200U

Definition at line 79 of file cxgb4_main.c.

#define pr_fmt ( fmt ) KBUILD_MODNAME ": " fmt

Definition at line 35 of file cxgb4_main.c.

#define T4_REGMAP_SIZE (160 * 1024)

Definition at line 1091 of file cxgb4_main.c.

#define TSO_FLAGS (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN)

Definition at line 4418 of file cxgb4_main.c.

#define VLAN_FEAT

Value:

(NETIF_F_SG | NETIF_F_IP_CSUM | TSO_FLAGS | \

NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA)

Definition at line 4419 of file cxgb4_main.c.

#define WOL_SUPPORTED (WAKE_BCAST | WAKE_MAGIC)

Definition at line 1929 of file cxgb4_main.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

PFRES_NVI
PFRES_NETHCTRL
PFRES_NIQFLINT
PFRES_NEQ
PFRES_NIQ
PFRES_TC
PFRES_NEXACTF
PFRES_R_CAPS
PFRES_WX_CAPS

Definition at line 81 of file cxgb4_main.c.

anonymous enum

Enumerator:

MAX_TXQ_ENTRIES
MAX_CTRL_TXQ_ENTRIES
MAX_RSPQ_ENTRIES
MAX_RX_BUFFERS
MIN_TXQ_ENTRIES
MIN_CTRL_TXQ_ENTRIES
MIN_RSPQ_ENTRIES
MIN_FL_ENTRIES

Definition at line 167 of file cxgb4_main.c.

anonymous enum

Enumerator:

TP_VLAN_PRI_MAP_DEFAULT
TP_VLAN_PRI_MAP_FIRST
TP_VLAN_PRI_MAP_LAST

Definition at line 320 of file cxgb4_main.c.

Function Documentation

int cxgb4_alloc_atid	(	struct tid_info *	t,
		void *	data
	)

Definition at line 2190 of file cxgb4_main.c.

int cxgb4_alloc_stid	(	struct tid_info *	t,
		int	family,
		void *	data
	)

Definition at line 2226 of file cxgb4_main.c.

unsigned int cxgb4_best_mtu	(	const unsigned short *	mtus,
		unsigned short	mtu,
		unsigned int *	idx
	)

cxgb4_best_mtu - find the entry in the MTU table closest to an MTU : the HW MTU table : the target MTU : index of selected entry in the MTU table

Returns the index and the value in the HW MTU table that is closest to but does not exceed , unless is smaller than any value in the table, in which case that smallest available value is selected.

Definition at line 2444 of file cxgb4_main.c.

int cxgb4_create_server	(	const struct net_device *	dev,
		unsigned int	stid,
		__be32	sip,
		__be16	sport,
		unsigned int	queue
	)

cxgb4_create_server - create an IP server : the device : the server TID : local IP address to bind server to : the server's TCP port : queue to direct messages from this server to

Create an IP server for the given port and address. Returns <0 on error and one of the NET_XMIT_* values on success.

Definition at line 2406 of file cxgb4_main.c.

unsigned int cxgb4_dbfifo_count	(	const struct net_device *	dev,
		int	lpfifo
	)

Definition at line 2469 of file cxgb4_main.c.

int cxgb4_flush_eq_cache ( struct net_device * dev )

Definition at line 2526 of file cxgb4_main.c.

void cxgb4_free_atid	(	struct tid_info *	t,
		unsigned int	atid
	)

Definition at line 2211 of file cxgb4_main.c.

void cxgb4_free_stid	(	struct tid_info *	t,
		unsigned int	stid,
		int	family
	)

Definition at line 2255 of file cxgb4_main.c.

void cxgb4_get_tcp_stats	(	struct pci_dev *	pdev,
		struct tp_tcp_stats *	v4,
		struct tp_tcp_stats *	v6
	)

Definition at line 2503 of file cxgb4_main.c.

void cxgb4_iscsi_init	(	struct net_device *	dev,
		unsigned int	tag_mask,
		const unsigned int *	pgsz_order
	)

Definition at line 2514 of file cxgb4_main.c.

unsigned int cxgb4_port_chan ( const struct net_device * dev )

cxgb4_port_chan - get the HW channel of a port : the net device for the port

Return the HW Tx channel of the given port.

Definition at line 2463 of file cxgb4_main.c.

unsigned int cxgb4_port_idx ( const struct net_device * dev )

cxgb4_port_idx - get the index of a port : the net device for the port

Return the index of the given port.

Definition at line 2497 of file cxgb4_main.c.

unsigned int cxgb4_port_viid ( const struct net_device * dev )

cxgb4_port_viid - get the VI id of a port : the net device for the port

Return the VI id of the given port.

Definition at line 2485 of file cxgb4_main.c.

int cxgb4_register_uld	(	enum cxgb4_uld	type,
		const struct cxgb4_uld_info *	p
	)

cxgb4_register_uld - register an upper-layer driver : the ULD type : the ULD methods

Registers an upper-layer driver with this driver and notifies the ULD about any presently available devices that support its type. Returns %-EBUSY if a ULD of the same type is already registered.

Definition at line 2854 of file cxgb4_main.c.

void cxgb4_remove_tid	(	struct tid_info *	t,
		unsigned int	chan,
		unsigned int	tid
	)

Definition at line 2340 of file cxgb4_main.c.

int cxgb4_sync_txq_pidx	(	struct net_device *	dev,
		u16	qid,
		u16	pidx,
		u16	size
	)

Definition at line 2551 of file cxgb4_main.c.

int cxgb4_unregister_uld ( enum cxgb4_uld type )

cxgb4_unregister_uld - unregister an upper-layer driver : the ULD type

Unregisters an existing upper-layer driver.

Definition at line 2880 of file cxgb4_main.c.

EXPORT_SYMBOL ( cxgb4_alloc_atid )

EXPORT_SYMBOL ( cxgb4_free_atid )

EXPORT_SYMBOL ( cxgb4_alloc_stid )

EXPORT_SYMBOL ( cxgb4_free_stid )

EXPORT_SYMBOL ( cxgb4_remove_tid )

EXPORT_SYMBOL ( cxgb4_create_server )

EXPORT_SYMBOL ( cxgb4_best_mtu )

EXPORT_SYMBOL ( cxgb4_port_chan )

EXPORT_SYMBOL ( cxgb4_dbfifo_count )

EXPORT_SYMBOL ( cxgb4_port_viid )

EXPORT_SYMBOL ( cxgb4_port_idx )

EXPORT_SYMBOL ( cxgb4_get_tcp_stats )

EXPORT_SYMBOL ( cxgb4_iscsi_init )

EXPORT_SYMBOL ( cxgb4_flush_eq_cache )

EXPORT_SYMBOL ( cxgb4_sync_txq_pidx )

EXPORT_SYMBOL ( cxgb4_register_uld )

EXPORT_SYMBOL ( cxgb4_unregister_uld )

MODULE_AUTHOR ( "Chelsio Communications" )

MODULE_DESCRIPTION ( DRV_DESC )

MODULE_DEVICE_TABLE	(	pci	,
		cxgb4_pci_tbl
	)

module_exit ( cxgb4_cleanup_module )

MODULE_FIRMWARE ( FW_FNAME )

module_init ( cxgb4_init_module )

MODULE_LICENSE ( "Dual BSD/GPL" )

module_param	(	force_init	,
		uint	,
		0644
	)

module_param	(	force_old_init	,
		uint	,
		0644
	)

module_param	(	dflt_msg_enable	,
		int	,
		0644
	)

module_param	(	msi	,
		int	,
		0644
	)

module_param	(	dbfifo_int_thresh	,
		int	,
		0644
	)

module_param	(	dbfifo_drain_delay	,
		int	,
		0644
	)

module_param_array	(	intr_holdoff	,
		uint	,
		NULL	,
		0644
	)

module_param_array	(	intr_cnt	,
		uint	,
		NULL	,
		0644
	)

MODULE_PARM_DESC	(	force_init	,
		"Forcibly become Master PF and initialize adapter"
	)

MODULE_PARM_DESC	(	force_old_init	,
		"Force old initialization sequence"
	)

MODULE_PARM_DESC	(	dflt_msg_enable	,
		"Chelsio T4 default message enable bitmap"
	)

MODULE_PARM_DESC	(	msi	,
		"whether to use INTx	0,
		MSI(1) or MSI-X(2)"
	)

MODULE_PARM_DESC	(	intr_holdoff	,
		"values for queue interrupt hold-off timers ""0..4 in microseconds"
	)

MODULE_PARM_DESC	(	intr_cnt	,
		"thresholds 1..3 for queue interrupt packet counters"
	)

MODULE_PARM_DESC	(	dbfifo_int_thresh	,
		"doorbell fifo interrupt threshold"
	)

MODULE_PARM_DESC	(	dbfifo_drain_delay	,
		"usecs to sleep while draining the dbfifo"
	)

MODULE_VERSION ( DRV_VERSION )

void* t4_alloc_mem ( size_t size )

Definition at line 966 of file cxgb4_main.c.

void t4_db_dropped ( struct adapter * adap )

Definition at line 2744 of file cxgb4_main.c.

void t4_db_full ( struct adapter * adap )

Definition at line 2737 of file cxgb4_main.c.

void t4_fatal_err ( struct adapter * adap )

Definition at line 3155 of file cxgb4_main.c.

void t4_os_link_changed	(	struct adapter *	adapter,
		int	port_id,
		int	link_stat
	)

Definition at line 362 of file cxgb4_main.c.

void t4_os_portmod_changed	(	const struct adapter *	adap,
		int	port_id
	)

Definition at line 377 of file cxgb4_main.c.

Variable Documentation

int dbfifo_int_thresh = 10

Definition at line 442 of file cxgb4_main.c.

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation