[net-next-2.6.git] / drivers / net / vxge / vxge-main.h

/******************************************************************************
 * This software may be used and distributed according to the terms of
 * the GNU General Public License (GPL), incorporated herein by reference.
 * Drivers based on or derived from this code fall under the GPL and must
 * retain the authorship, copyright and license notice.  This file is not
 * a complete program and may only be used when the entire operating
 * system is licensed under the GPL.
 * See the file COPYING in this distribution for more information.
 *
 * vxge-main.h: Driver for Exar Corp's X3100 Series 10GbE PCIe I/O
 *              Virtualized Server Adapter.
 * Copyright(c) 2002-2010 Exar Corp.
 ******************************************************************************/
#ifndef VXGE_MAIN_H
#define VXGE_MAIN_H

#include "vxge-traffic.h"
#include "vxge-config.h"
#include "vxge-version.h"
#include <linux/list.h>

#define VXGE_DRIVER_NAME		"vxge"
#define VXGE_DRIVER_VENDOR		"Neterion, Inc"
#define VXGE_DRIVER_FW_VERSION_MAJOR	1

#define DRV_VERSION	VXGE_VERSION_MAJOR"."VXGE_VERSION_MINOR"."\
	VXGE_VERSION_FIX"."VXGE_VERSION_BUILD"-"\
	VXGE_VERSION_FOR

#define PCI_DEVICE_ID_TITAN_WIN		0x5733
#define PCI_DEVICE_ID_TITAN_UNI		0x5833
#define	VXGE_USE_DEFAULT		0xffffffff
#define VXGE_HW_VPATH_MSIX_ACTIVE	4
#define VXGE_ALARM_MSIX_ID		2
#define VXGE_HW_RXSYNC_FREQ_CNT		4
#define VXGE_LL_WATCH_DOG_TIMEOUT	(15 * HZ)
#define VXGE_LL_RX_COPY_THRESHOLD	256
#define VXGE_DEF_FIFO_LENGTH		84

#define NO_STEERING		0
#define PORT_STEERING		0x1
#define RTH_STEERING		0x2
#define RX_TOS_STEERING		0x3
#define RX_VLAN_STEERING	0x4
#define RTH_BUCKET_SIZE		4

#define	TX_PRIORITY_STEERING	1
#define	TX_VLAN_STEERING	2
#define	TX_PORT_STEERING	3
#define	TX_MULTIQ_STEERING	4

#define VXGE_HW_MAC_ADDR_LEARN_DEFAULT VXGE_HW_RTS_MAC_DISABLE

#define VXGE_TTI_BTIMER_VAL 250000

#define VXGE_TTI_LTIMER_VAL 1000
#define VXGE_TTI_RTIMER_VAL 0
#define VXGE_RTI_BTIMER_VAL 250
#define VXGE_RTI_LTIMER_VAL 100
#define VXGE_RTI_RTIMER_VAL 0
#define VXGE_FIFO_INDICATE_MAX_PKTS VXGE_DEF_FIFO_LENGTH
#define VXGE_ISR_POLLING_CNT 	8
#define VXGE_MAX_CONFIG_DEV	0xFF
#define VXGE_EXEC_MODE_DISABLE	0
#define VXGE_EXEC_MODE_ENABLE	1
#define VXGE_MAX_CONFIG_PORT	1
#define VXGE_ALL_VID_DISABLE	0
#define VXGE_ALL_VID_ENABLE	1
#define VXGE_PAUSE_CTRL_DISABLE	0
#define VXGE_PAUSE_CTRL_ENABLE	1

#define TTI_TX_URANGE_A	5
#define TTI_TX_URANGE_B	15
#define TTI_TX_URANGE_C	40
#define TTI_TX_UFC_A	5
#define TTI_TX_UFC_B	40
#define TTI_TX_UFC_C	60
#define TTI_TX_UFC_D	100

#define RTI_RX_URANGE_A	5
#define RTI_RX_URANGE_B	15
#define RTI_RX_URANGE_C	40
#define RTI_RX_UFC_A	1
#define RTI_RX_UFC_B	5
#define RTI_RX_UFC_C	10
#define RTI_RX_UFC_D	15

/* Milli secs timer period */
#define VXGE_TIMER_DELAY		10000

#define VXGE_LL_MAX_FRAME_SIZE(dev) ((dev)->mtu + VXGE_HW_MAC_HEADER_MAX_SIZE)

#define is_sriov(function_mode) \
	((function_mode == VXGE_HW_FUNCTION_MODE_SRIOV) || \
	(function_mode == VXGE_HW_FUNCTION_MODE_SRIOV_8) || \
	(function_mode == VXGE_HW_FUNCTION_MODE_SRIOV_4))

enum vxge_reset_event {
	/* reset events */
	VXGE_LL_VPATH_RESET	= 0,
	VXGE_LL_DEVICE_RESET	= 1,
	VXGE_LL_FULL_RESET	= 2,
	VXGE_LL_START_RESET	= 3,
	VXGE_LL_COMPL_RESET	= 4
};
/* These flags represent the devices temporary state */
enum vxge_device_state_t {
__VXGE_STATE_RESET_CARD = 0,
__VXGE_STATE_CARD_UP
};

enum vxge_mac_addr_state {
	/* mac address states */
	VXGE_LL_MAC_ADDR_IN_LIST        = 0,
	VXGE_LL_MAC_ADDR_IN_DA_TABLE    = 1
};

struct vxge_drv_config {
	int config_dev_cnt;
	int total_dev_cnt;
	int g_no_cpus;
	unsigned int vpath_per_dev;
};

struct macInfo {
	unsigned char macaddr[ETH_ALEN];
	unsigned char macmask[ETH_ALEN];
	unsigned int vpath_no;
	enum vxge_mac_addr_state state;
};

struct vxge_config {
	int		tx_pause_enable;
	int		rx_pause_enable;

#define	NEW_NAPI_WEIGHT	64
	int		napi_weight;
#define VXGE_GRO_DONOT_AGGREGATE		0
#define VXGE_GRO_ALWAYS_AGGREGATE		1
	int		gro_enable;
	int		intr_type;
#define INTA	0
#define MSI	1
#define MSI_X	2

	int		addr_learn_en;

	int		rth_steering;
	int		rth_algorithm;
	int		rth_hash_type_tcpipv4;
	int		rth_hash_type_ipv4;
	int		rth_hash_type_tcpipv6;
	int		rth_hash_type_ipv6;
	int		rth_hash_type_tcpipv6ex;
	int		rth_hash_type_ipv6ex;
	int		rth_bkt_sz;
	int		rth_jhash_golden_ratio;
	int		tx_steering_type;
	int 	fifo_indicate_max_pkts;
	struct vxge_hw_device_hw_info device_hw_info;
};

struct vxge_msix_entry {
	/* Mimicing the msix_entry struct of Kernel. */
	u16 vector;
	u16 entry;
	u16 in_use;
	void *arg;
};

/* Software Statistics */

struct vxge_sw_stats {
	/* Network Stats (interface stats) */

	/* Tx */
	u64 tx_frms;
	u64 tx_errors;
	u64 tx_bytes;
	u64 txd_not_free;
	u64 txd_out_of_desc;

	/* Virtual Path */
	u64 vpaths_open;
	u64 vpath_open_fail;

	/* Rx */
	u64 rx_frms;
	u64 rx_errors;
	u64 rx_bytes;
	u64 rx_mcast;

	/* Misc. */
	u64 link_up;
	u64 link_down;
	u64 pci_map_fail;
	u64 skb_alloc_fail;
};

struct vxge_mac_addrs {
	struct list_head item;
	u64 macaddr;
	u64 macmask;
	enum vxge_mac_addr_state state;
};

struct vxgedev;

struct vxge_fifo_stats {
	u64 tx_frms;
	u64 tx_errors;
	u64 tx_bytes;
	u64 txd_not_free;
	u64 txd_out_of_desc;
	u64 pci_map_fail;
};

struct vxge_fifo {
	struct net_device *ndev;
	struct pci_dev *pdev;
	struct __vxge_hw_fifo *handle;
	struct netdev_queue *txq;

	int tx_steering_type;
	int indicate_max_pkts;

	/* Tx stats */
	struct vxge_fifo_stats stats;
} ____cacheline_aligned;

struct vxge_ring_stats {
	u64 prev_rx_frms;
	u64 rx_frms;
	u64 rx_errors;
	u64 rx_dropped;
	u64 rx_bytes;
	u64 rx_mcast;
	u64 pci_map_fail;
	u64 skb_alloc_fail;
};

struct vxge_ring {
	struct net_device	*ndev;
	struct pci_dev		*pdev;
	struct __vxge_hw_ring	*handle;
	/* The vpath id maintained in the driver -
	 * 0 to 'maximum_vpaths_in_function - 1'
	 */
	int driver_id;

	 /* copy of the flag indicating whether rx_csum is to be used */
	u32 rx_csum;

	int pkts_processed;
	int budget;
	int gro_enable;

	struct napi_struct napi;
	struct napi_struct *napi_p;

#define VXGE_MAX_MAC_ADDR_COUNT		30

	int vlan_tag_strip;
	struct vlan_group *vlgrp;
	int rx_vector_no;
	enum vxge_hw_status last_status;

	/* Rx stats */
	struct vxge_ring_stats stats;
} ____cacheline_aligned;

struct vxge_vpath {
	struct vxge_fifo fifo;
	struct vxge_ring ring;

	struct __vxge_hw_vpath_handle *handle;

	/* Actual vpath id for this vpath in the device - 0 to 16 */
	int device_id;
	int max_mac_addr_cnt;
	int is_configured;
	int is_open;
	struct vxgedev *vdev;
	u8 (macaddr)[ETH_ALEN];
	u8 (macmask)[ETH_ALEN];

#define VXGE_MAX_LEARN_MAC_ADDR_CNT	2048
	/* mac addresses currently programmed into NIC */
	u16 mac_addr_cnt;
	u16 mcast_addr_cnt;
	struct list_head mac_addr_list;

	u32 level_err;
	u32 level_trace;
};
#define VXGE_COPY_DEBUG_INFO_TO_LL(vdev, err, trace) {	\
	for (i = 0; i < vdev->no_of_vpath; i++) {		\
		vdev->vpaths[i].level_err = err;		\
		vdev->vpaths[i].level_trace = trace;		\
	}							\
	vdev->level_err = err;					\
	vdev->level_trace = trace;				\
}

struct vxgedev {
	struct net_device	*ndev;
	struct pci_dev		*pdev;
	struct __vxge_hw_device *devh;
	struct vlan_group	*vlgrp;
	int vlan_tag_strip;
	struct vxge_config	config;
	unsigned long	state;

	/* Indicates which vpath to reset */
	unsigned long  vp_reset;

	/* Timer used for polling vpath resets */
	struct timer_list vp_reset_timer;

	/* Timer used for polling vpath lockup */
	struct timer_list vp_lockup_timer;

	/*
	 * Flags to track whether device is in All Multicast
	 * or in promiscuous mode.
	 */
	u16		all_multi_flg;

	 /* A flag indicating whether rx_csum is to be used or not. */
	u32	rx_csum;

	struct vxge_msix_entry *vxge_entries;
	struct msix_entry *entries;
	/*
	 * 4 for each vpath * 17;
	 * total is 68
	 */
#define	VXGE_MAX_REQUESTED_MSIX	68
#define VXGE_INTR_STRLEN 80
	char desc[VXGE_MAX_REQUESTED_MSIX][VXGE_INTR_STRLEN];

	enum vxge_hw_event cric_err_event;

	int max_vpath_supported;
	int no_of_vpath;

	struct napi_struct napi;
	/* A debug option, when enabled and if error condition occurs,
	 * the driver will do following steps:
	 * - mask all interrupts
	 * - Not clear the source of the alarm
	 * - gracefully stop all I/O
	 * A diagnostic dump of register and stats at this point
	 * reveals very useful information.
	 */
	int exec_mode;
	int max_config_port;
	struct vxge_vpath	*vpaths;

	struct __vxge_hw_vpath_handle *vp_handles[VXGE_HW_MAX_VIRTUAL_PATHS];
	void __iomem *bar0;
	struct vxge_sw_stats	stats;
	int		mtu;
	/* Below variables are used for vpath selection to transmit a packet */
	u8 		vpath_selector[VXGE_HW_MAX_VIRTUAL_PATHS];
	u64		vpaths_deployed;

	u32 		intr_cnt;
	u32 		level_err;
	u32 		level_trace;
	char		fw_version[VXGE_HW_FW_STRLEN];
};

struct vxge_rx_priv {
	struct sk_buff		*skb;
	unsigned char		*skb_data;
	dma_addr_t		data_dma;
	dma_addr_t		data_size;
};

struct vxge_tx_priv {
	struct sk_buff		*skb;
	dma_addr_t		dma_buffers[MAX_SKB_FRAGS+1];
};

#define VXGE_MODULE_PARAM_INT(p, val) \
	static int p = val; \
	module_param(p, int, 0)

#define vxge_os_bug(fmt...)		{ printk(fmt); BUG(); }

#define vxge_os_timer(timer, handle, arg, exp) do { \
		init_timer(&timer); \
		timer.function = handle; \
		timer.data = (unsigned long) arg; \
		mod_timer(&timer, (jiffies + exp)); \
	} while (0);

int __devinit vxge_device_register(struct __vxge_hw_device *devh,
				    struct vxge_config *config,
				    int high_dma, int no_of_vpath,
				    struct vxgedev **vdev);

void vxge_device_unregister(struct __vxge_hw_device *devh);

void vxge_vpath_intr_enable(struct vxgedev *vdev, int vp_id);

void vxge_vpath_intr_disable(struct vxgedev *vdev, int vp_id);

void vxge_callback_link_up(struct __vxge_hw_device *devh);

void vxge_callback_link_down(struct __vxge_hw_device *devh);

enum vxge_hw_status vxge_add_mac_addr(struct vxgedev *vdev,
	struct macInfo *mac);

int vxge_mac_list_del(struct vxge_vpath *vpath, struct macInfo *mac);

int vxge_reset(struct vxgedev *vdev);

enum vxge_hw_status
vxge_rx_1b_compl(struct __vxge_hw_ring *ringh, void *dtr,
	u8 t_code, void *userdata);

enum vxge_hw_status
vxge_xmit_compl(struct __vxge_hw_fifo *fifo_hw, void *dtr,
	enum vxge_hw_fifo_tcode t_code, void *userdata,
	struct sk_buff ***skb_ptr, int nr_skbs, int *more);

int vxge_close(struct net_device *dev);

int vxge_open(struct net_device *dev);

void vxge_close_vpaths(struct vxgedev *vdev, int index);

int vxge_open_vpaths(struct vxgedev *vdev);

enum vxge_hw_status vxge_reset_all_vpaths(struct vxgedev *vdev);

enum vxge_hw_status vxge_add_mac_addr(struct vxgedev *vdev,
	struct macInfo *mac);

enum vxge_hw_status vxge_del_mac_addr(struct vxgedev *vdev,
	struct macInfo *mac);

int vxge_mac_list_add(struct vxge_vpath *vpath,
	struct macInfo *mac);

void vxge_free_mac_add_list(struct vxge_vpath *vpath);

enum vxge_hw_status vxge_restore_vpath_mac_addr(struct vxge_vpath *vpath);

enum vxge_hw_status vxge_restore_vpath_vid_table(struct vxge_vpath *vpath);

int do_vxge_close(struct net_device *dev, int do_io);
extern void initialize_ethtool_ops(struct net_device *ndev);
/**
 * #define VXGE_DEBUG_INIT: debug for initialization functions
 * #define VXGE_DEBUG_TX	 : debug transmit related functions
 * #define VXGE_DEBUG_RX  : debug recevice related functions
 * #define VXGE_DEBUG_MEM : debug memory module
 * #define VXGE_DEBUG_LOCK: debug locks
 * #define VXGE_DEBUG_SEM : debug semaphore
 * #define VXGE_DEBUG_ENTRYEXIT: debug functions by adding entry exit statements
*/
#define VXGE_DEBUG_INIT		0x00000001
#define VXGE_DEBUG_TX		0x00000002
#define VXGE_DEBUG_RX		0x00000004
#define VXGE_DEBUG_MEM		0x00000008
#define VXGE_DEBUG_LOCK		0x00000010
#define VXGE_DEBUG_SEM		0x00000020
#define VXGE_DEBUG_ENTRYEXIT	0x00000040
#define VXGE_DEBUG_INTR		0x00000080
#define VXGE_DEBUG_LL_CONFIG	0x00000100

/* Debug tracing for VXGE driver */
#ifndef VXGE_DEBUG_MASK
#define VXGE_DEBUG_MASK	0x0
#endif

#if (VXGE_DEBUG_LL_CONFIG & VXGE_DEBUG_MASK)
#define vxge_debug_ll_config(level, fmt, ...) \
	vxge_debug_ll(level, VXGE_DEBUG_LL_CONFIG, fmt, __VA_ARGS__)
#else
#define vxge_debug_ll_config(level, fmt, ...)
#endif

#if (VXGE_DEBUG_INIT & VXGE_DEBUG_MASK)
#define vxge_debug_init(level, fmt, ...) \
	vxge_debug_ll(level, VXGE_DEBUG_INIT, fmt, __VA_ARGS__)
#else
#define vxge_debug_init(level, fmt, ...)
#endif

#if (VXGE_DEBUG_TX & VXGE_DEBUG_MASK)
#define vxge_debug_tx(level, fmt, ...) \
	vxge_debug_ll(level, VXGE_DEBUG_TX, fmt, __VA_ARGS__)
#else
#define vxge_debug_tx(level, fmt, ...)
#endif

#if (VXGE_DEBUG_RX & VXGE_DEBUG_MASK)
#define vxge_debug_rx(level, fmt, ...) \
	vxge_debug_ll(level, VXGE_DEBUG_RX, fmt, __VA_ARGS__)
#else
#define vxge_debug_rx(level, fmt, ...)
#endif

#if (VXGE_DEBUG_MEM & VXGE_DEBUG_MASK)
#define vxge_debug_mem(level, fmt, ...) \
	vxge_debug_ll(level, VXGE_DEBUG_MEM, fmt, __VA_ARGS__)
#else
#define vxge_debug_mem(level, fmt, ...)
#endif

#if (VXGE_DEBUG_ENTRYEXIT & VXGE_DEBUG_MASK)
#define vxge_debug_entryexit(level, fmt, ...) \
	vxge_debug_ll(level, VXGE_DEBUG_ENTRYEXIT, fmt, __VA_ARGS__)
#else
#define vxge_debug_entryexit(level, fmt, ...)
#endif

#if (VXGE_DEBUG_INTR & VXGE_DEBUG_MASK)
#define vxge_debug_intr(level, fmt, ...) \
	vxge_debug_ll(level, VXGE_DEBUG_INTR, fmt, __VA_ARGS__)
#else
#define vxge_debug_intr(level, fmt, ...)
#endif

#define VXGE_DEVICE_DEBUG_LEVEL_SET(level, mask, vdev) {\
	vxge_hw_device_debug_set((struct __vxge_hw_device  *)vdev->devh, \
		level, mask);\
	VXGE_COPY_DEBUG_INFO_TO_LL(vdev, \
		vxge_hw_device_error_level_get((struct __vxge_hw_device  *) \
			vdev->devh), \
		vxge_hw_device_trace_level_get((struct __vxge_hw_device  *) \
			vdev->devh));\
}

#ifdef NETIF_F_GSO
#define vxge_tcp_mss(skb) (skb_shinfo(skb)->gso_size)
#define vxge_udp_mss(skb) (skb_shinfo(skb)->gso_size)
#define vxge_offload_type(skb) (skb_shinfo(skb)->gso_type)
#endif

#endif
Commit	Line	Data
703da5a1 RV	1	/******************************************************************************
	2	* This software may be used and distributed according to the terms of
	3	* the GNU General Public License (GPL), incorporated herein by reference.
	4	* Drivers based on or derived from this code fall under the GPL and must
	5	* retain the authorship, copyright and license notice. This file is not
	6	* a complete program and may only be used when the entire operating
	7	* system is licensed under the GPL.
	8	* See the file COPYING in this distribution for more information.
	9	*
926bd900	10	* vxge-main.h: Driver for Exar Corp's X3100 Series 10GbE PCIe I/O
703da5a1	11	* Virtualized Server Adapter.
926bd900	12	* Copyright(c) 2002-2010 Exar Corp.
703da5a1 RV	13	******************************************************************************/
	14	#ifndef VXGE_MAIN_H
	15	#define VXGE_MAIN_H
	16
	17	#include "vxge-traffic.h"
	18	#include "vxge-config.h"
	19	#include "vxge-version.h"
	20	#include <linux/list.h>
	21
	22	#define VXGE_DRIVER_NAME "vxge"
	23	#define VXGE_DRIVER_VENDOR "Neterion, Inc"
22fa125e	24	#define VXGE_DRIVER_FW_VERSION_MAJOR 1
703da5a1 RV	25
	26	#define DRV_VERSION VXGE_VERSION_MAJOR"."VXGE_VERSION_MINOR"."\
	27	VXGE_VERSION_FIX"."VXGE_VERSION_BUILD"-"\
	28	VXGE_VERSION_FOR
	29
	30	#define PCI_DEVICE_ID_TITAN_WIN 0x5733
	31	#define PCI_DEVICE_ID_TITAN_UNI 0x5833
	32	#define VXGE_USE_DEFAULT 0xffffffff
	33	#define VXGE_HW_VPATH_MSIX_ACTIVE 4
b59c9457	34	#define VXGE_ALARM_MSIX_ID 2
703da5a1 RV	35	#define VXGE_HW_RXSYNC_FREQ_CNT 4
	36	#define VXGE_LL_WATCH_DOG_TIMEOUT (15 * HZ)
	37	#define VXGE_LL_RX_COPY_THRESHOLD 256
	38	#define VXGE_DEF_FIFO_LENGTH 84
	39
	40	#define NO_STEERING 0
	41	#define PORT_STEERING 0x1
	42	#define RTH_STEERING 0x2
	43	#define RX_TOS_STEERING 0x3
	44	#define RX_VLAN_STEERING 0x4
	45	#define RTH_BUCKET_SIZE 4
	46
	47	#define TX_PRIORITY_STEERING 1
	48	#define TX_VLAN_STEERING 2
	49	#define TX_PORT_STEERING 3
	50	#define TX_MULTIQ_STEERING 4
	51
	52	#define VXGE_HW_MAC_ADDR_LEARN_DEFAULT VXGE_HW_RTS_MAC_DISABLE
	53
	54	#define VXGE_TTI_BTIMER_VAL 250000
	55
	56	#define VXGE_TTI_LTIMER_VAL 1000
	57	#define VXGE_TTI_RTIMER_VAL 0
	58	#define VXGE_RTI_BTIMER_VAL 250
	59	#define VXGE_RTI_LTIMER_VAL 100
	60	#define VXGE_RTI_RTIMER_VAL 0
	61	#define VXGE_FIFO_INDICATE_MAX_PKTS VXGE_DEF_FIFO_LENGTH
	62	#define VXGE_ISR_POLLING_CNT 8
	63	#define VXGE_MAX_CONFIG_DEV 0xFF
	64	#define VXGE_EXEC_MODE_DISABLE 0
	65	#define VXGE_EXEC_MODE_ENABLE 1
	66	#define VXGE_MAX_CONFIG_PORT 1
	67	#define VXGE_ALL_VID_DISABLE 0
	68	#define VXGE_ALL_VID_ENABLE 1
	69	#define VXGE_PAUSE_CTRL_DISABLE 0
	70	#define VXGE_PAUSE_CTRL_ENABLE 1
	71
	72	#define TTI_TX_URANGE_A 5
	73	#define TTI_TX_URANGE_B 15
	74	#define TTI_TX_URANGE_C 40
	75	#define TTI_TX_UFC_A 5
	76	#define TTI_TX_UFC_B 40
	77	#define TTI_TX_UFC_C 60
	78	#define TTI_TX_UFC_D 100
	79
	80	#define RTI_RX_URANGE_A 5
	81	#define RTI_RX_URANGE_B 15
	82	#define RTI_RX_URANGE_C 40
	83	#define RTI_RX_UFC_A 1
	84	#define RTI_RX_UFC_B 5
	85	#define RTI_RX_UFC_C 10
	86	#define RTI_RX_UFC_D 15
	87
	88	/* Milli secs timer period */
	89	#define VXGE_TIMER_DELAY 10000
	90
	91	#define VXGE_LL_MAX_FRAME_SIZE(dev) ((dev)->mtu + VXGE_HW_MAC_HEADER_MAX_SIZE)
	92
cb27ec60 SH	93	#define is_sriov(function_mode) \
	94	((function_mode == VXGE_HW_FUNCTION_MODE_SRIOV) \|\| \
	95	(function_mode == VXGE_HW_FUNCTION_MODE_SRIOV_8) \|\| \
	96	(function_mode == VXGE_HW_FUNCTION_MODE_SRIOV_4))
	97
703da5a1 RV	98	enum vxge_reset_event {
	99	/* reset events */
	100	VXGE_LL_VPATH_RESET = 0,
	101	VXGE_LL_DEVICE_RESET = 1,
	102	VXGE_LL_FULL_RESET = 2,
	103	VXGE_LL_START_RESET = 3,
	104	VXGE_LL_COMPL_RESET = 4
	105	};
	106	/* These flags represent the devices temporary state */
	107	enum vxge_device_state_t {
	108	__VXGE_STATE_RESET_CARD = 0,
	109	__VXGE_STATE_CARD_UP
	110	};
	111
	112	enum vxge_mac_addr_state {
	113	/* mac address states */
	114	VXGE_LL_MAC_ADDR_IN_LIST = 0,
	115	VXGE_LL_MAC_ADDR_IN_DA_TABLE = 1
	116	};
	117
	118	struct vxge_drv_config {
	119	int config_dev_cnt;
	120	int total_dev_cnt;
703da5a1 RV	121	int g_no_cpus;
	122	unsigned int vpath_per_dev;
	123	};
	124
	125	struct macInfo {
	126	unsigned char macaddr[ETH_ALEN];
	127	unsigned char macmask[ETH_ALEN];
	128	unsigned int vpath_no;
	129	enum vxge_mac_addr_state state;
	130	};
	131
	132	struct vxge_config {
	133	int tx_pause_enable;
	134	int rx_pause_enable;
	135
	136	#define NEW_NAPI_WEIGHT 64
	137	int napi_weight;
	138	#define VXGE_GRO_DONOT_AGGREGATE 0
	139	#define VXGE_GRO_ALWAYS_AGGREGATE 1
	140	int gro_enable;
	141	int intr_type;
	142	#define INTA 0
	143	#define MSI 1
	144	#define MSI_X 2
	145
	146	int addr_learn_en;
	147
	148	int rth_steering;
	149	int rth_algorithm;
	150	int rth_hash_type_tcpipv4;
	151	int rth_hash_type_ipv4;
	152	int rth_hash_type_tcpipv6;
	153	int rth_hash_type_ipv6;
	154	int rth_hash_type_tcpipv6ex;
	155	int rth_hash_type_ipv6ex;
	156	int rth_bkt_sz;
	157	int rth_jhash_golden_ratio;
	158	int tx_steering_type;
	159	int fifo_indicate_max_pkts;
	160	struct vxge_hw_device_hw_info device_hw_info;
	161	};
	162
	163	struct vxge_msix_entry {
	164	/* Mimicing the msix_entry struct of Kernel. */
	165	u16 vector;
	166	u16 entry;
	167	u16 in_use;
	168	void *arg;
	169	};
	170
	171	/* Software Statistics */
	172
	173	struct vxge_sw_stats {
	174	/* Network Stats (interface stats) */
703da5a1 RV	175
	176	/* Tx */
	177	u64 tx_frms;
	178	u64 tx_errors;
	179	u64 tx_bytes;
	180	u64 txd_not_free;
	181	u64 txd_out_of_desc;
	182
	183	/* Virtual Path */
	184	u64 vpaths_open;
	185	u64 vpath_open_fail;
	186
	187	/* Rx */
	188	u64 rx_frms;
	189	u64 rx_errors;
	190	u64 rx_bytes;
	191	u64 rx_mcast;
	192
	193	/* Misc. */
	194	u64 link_up;
	195	u64 link_down;
	196	u64 pci_map_fail;
	197	u64 skb_alloc_fail;
	198	};
	199
	200	struct vxge_mac_addrs {
	201	struct list_head item;
	202	u64 macaddr;
	203	u64 macmask;
	204	enum vxge_mac_addr_state state;
	205	};
	206
	207	struct vxgedev;
	208
	209	struct vxge_fifo_stats {
	210	u64 tx_frms;
	211	u64 tx_errors;
	212	u64 tx_bytes;
	213	u64 txd_not_free;
	214	u64 txd_out_of_desc;
	215	u64 pci_map_fail;
	216	};
	217
	218	struct vxge_fifo {
98f45da2 JM	219	struct net_device *ndev;
98f45da2 JM	220	struct pci_dev *pdev;
703da5a1	221	struct __vxge_hw_fifo *handle;
98f45da2	222	struct netdev_queue *txq;
703da5a1	223
703da5a1 RV	224	int tx_steering_type;
703da5a1 RV	225	int indicate_max_pkts;
703da5a1 RV	226
	227	/* Tx stats */
	228	struct vxge_fifo_stats stats;
	229	} ____cacheline_aligned;
	230
	231	struct vxge_ring_stats {
	232	u64 prev_rx_frms;
	233	u64 rx_frms;
	234	u64 rx_errors;
	235	u64 rx_dropped;
	236	u64 rx_bytes;
	237	u64 rx_mcast;
	238	u64 pci_map_fail;
	239	u64 skb_alloc_fail;
	240	};
	241
	242	struct vxge_ring {
	243	struct net_device *ndev;
	244	struct pci_dev *pdev;
	245	struct __vxge_hw_ring *handle;
	246	/* The vpath id maintained in the driver -
	247	* 0 to 'maximum_vpaths_in_function - 1'
	248	*/
	249	int driver_id;
	250
	251	/* copy of the flag indicating whether rx_csum is to be used */
	252	u32 rx_csum;
	253
	254	int pkts_processed;
	255	int budget;
	256	int gro_enable;
	257
	258	struct napi_struct napi;
a5d165b5	259	struct napi_struct *napi_p;
703da5a1 RV	260
	261	#define VXGE_MAX_MAC_ADDR_COUNT 30
	262
	263	int vlan_tag_strip;
	264	struct vlan_group *vlgrp;
	265	int rx_vector_no;
	266	enum vxge_hw_status last_status;
	267
	268	/* Rx stats */
	269	struct vxge_ring_stats stats;
	270	} ____cacheline_aligned;
	271
	272	struct vxge_vpath {
703da5a1 RV	273	struct vxge_fifo fifo;
	274	struct vxge_ring ring;
	275
	276	struct __vxge_hw_vpath_handle *handle;
	277
	278	/* Actual vpath id for this vpath in the device - 0 to 16 */
	279	int device_id;
	280	int max_mac_addr_cnt;
	281	int is_configured;
	282	int is_open;
	283	struct vxgedev *vdev;
	284	u8 (macaddr)[ETH_ALEN];
	285	u8 (macmask)[ETH_ALEN];
	286
	287	#define VXGE_MAX_LEARN_MAC_ADDR_CNT 2048
	288	/* mac addresses currently programmed into NIC */
	289	u16 mac_addr_cnt;
	290	u16 mcast_addr_cnt;
	291	struct list_head mac_addr_list;
	292
	293	u32 level_err;
	294	u32 level_trace;
	295	};
	296	#define VXGE_COPY_DEBUG_INFO_TO_LL(vdev, err, trace) { \
	297	for (i = 0; i < vdev->no_of_vpath; i++) { \
	298	vdev->vpaths[i].level_err = err; \
	299	vdev->vpaths[i].level_trace = trace; \
	300	} \
	301	vdev->level_err = err; \
	302	vdev->level_trace = trace; \
	303	}
	304
	305	struct vxgedev {
	306	struct net_device *ndev;
	307	struct pci_dev *pdev;
	308	struct __vxge_hw_device *devh;
	309	struct vlan_group *vlgrp;
	310	int vlan_tag_strip;
	311	struct vxge_config config;
	312	unsigned long state;
	313
	314	/* Indicates which vpath to reset */
	315	unsigned long vp_reset;
	316
	317	/* Timer used for polling vpath resets */
	318	struct timer_list vp_reset_timer;
	319
	320	/* Timer used for polling vpath lockup */
	321	struct timer_list vp_lockup_timer;
	322
	323	/*
	324	* Flags to track whether device is in All Multicast
	325	* or in promiscuous mode.
	326	*/
	327	u16 all_multi_flg;
	328
	329	/* A flag indicating whether rx_csum is to be used or not. */
	330	u32 rx_csum;
	331
	332	struct vxge_msix_entry *vxge_entries;
	333	struct msix_entry *entries;
	334	/*
	335	* 4 for each vpath * 17;
	336	* total is 68
337	*/
338	#define VXGE_MAX_REQUESTED_MSIX 68
339	#define VXGE_INTR_STRLEN 80
340	char desc[VXGE_MAX_REQUESTED_MSIX][VXGE_INTR_STRLEN];
341
342	enum vxge_hw_event cric_err_event;
343
344	int max_vpath_supported;
345	int no_of_vpath;
346
347	struct napi_struct napi;
348	/* A debug option, when enabled and if error condition occurs,
349	* the driver will do following steps:
350	* - mask all interrupts
351	* - Not clear the source of the alarm
352	* - gracefully stop all I/O
353	* A diagnostic dump of register and stats at this point
354	* reveals very useful information.
355	*/
356	int exec_mode;
357	int max_config_port;
358	struct vxge_vpath *vpaths;
359
360	struct __vxge_hw_vpath_handle *vp_handles[VXGE_HW_MAX_VIRTUAL_PATHS];
361	void __iomem *bar0;
703da5a1 RV	362	struct vxge_sw_stats stats;
	363	int mtu;
	364	/* Below variables are used for vpath selection to transmit a packet */
	365	u8 vpath_selector[VXGE_HW_MAX_VIRTUAL_PATHS];
	366	u64 vpaths_deployed;
	367
	368	u32 intr_cnt;
	369	u32 level_err;
	370	u32 level_trace;
	371	char fw_version[VXGE_HW_FW_STRLEN];
	372	};
	373
	374	struct vxge_rx_priv {
	375	struct sk_buff *skb;
ea11bbe0	376	unsigned char *skb_data;
703da5a1 RV	377	dma_addr_t data_dma;
	378	dma_addr_t data_size;
	379	};
	380
	381	struct vxge_tx_priv {
	382	struct sk_buff *skb;
	383	dma_addr_t dma_buffers[MAX_SKB_FRAGS+1];
	384	};
	385
	386	#define VXGE_MODULE_PARAM_INT(p, val) \
	387	static int p = val; \
	388	module_param(p, int, 0)
	389
	390	#define vxge_os_bug(fmt...) { printk(fmt); BUG(); }
	391
	392	#define vxge_os_timer(timer, handle, arg, exp) do { \
	393	init_timer(&timer); \
	394	timer.function = handle; \
	395	timer.data = (unsigned long) arg; \
	396	mod_timer(&timer, (jiffies + exp)); \
	397	} while (0);
	398
	399	int __devinit vxge_device_register(struct __vxge_hw_device *devh,
	400	struct vxge_config *config,
	401	int high_dma, int no_of_vpath,
	402	struct vxgedev **vdev);
	403
	404	void vxge_device_unregister(struct __vxge_hw_device *devh);
	405
	406	void vxge_vpath_intr_enable(struct vxgedev *vdev, int vp_id);
	407
	408	void vxge_vpath_intr_disable(struct vxgedev *vdev, int vp_id);
	409
	410	void vxge_callback_link_up(struct __vxge_hw_device *devh);
	411
	412	void vxge_callback_link_down(struct __vxge_hw_device *devh);
	413
	414	enum vxge_hw_status vxge_add_mac_addr(struct vxgedev *vdev,
	415	struct macInfo *mac);
	416
	417	int vxge_mac_list_del(struct vxge_vpath vpath, struct macInfo mac);
	418
	419	int vxge_reset(struct vxgedev *vdev);
	420
	421	enum vxge_hw_status
	422	vxge_rx_1b_compl(struct __vxge_hw_ring ringh, void dtr,
	423	u8 t_code, void *userdata);
	424
	425	enum vxge_hw_status
	426	vxge_xmit_compl(struct __vxge_hw_fifo fifo_hw, void dtr,
ff67df55 BL	427	enum vxge_hw_fifo_tcode t_code, void *userdata,
ff67df55 BL	428	struct sk_buff **skb_ptr, int nr_skbs, int more);
703da5a1 RV	429
	430	int vxge_close(struct net_device *dev);
	431
	432	int vxge_open(struct net_device *dev);
	433
	434	void vxge_close_vpaths(struct vxgedev *vdev, int index);
	435
	436	int vxge_open_vpaths(struct vxgedev *vdev);
	437
	438	enum vxge_hw_status vxge_reset_all_vpaths(struct vxgedev *vdev);
	439
703da5a1 RV	440	enum vxge_hw_status vxge_add_mac_addr(struct vxgedev *vdev,
	441	struct macInfo *mac);
	442
	443	enum vxge_hw_status vxge_del_mac_addr(struct vxgedev *vdev,
	444	struct macInfo *mac);
	445
	446	int vxge_mac_list_add(struct vxge_vpath *vpath,
	447	struct macInfo *mac);
	448
	449	void vxge_free_mac_add_list(struct vxge_vpath *vpath);
	450
	451	enum vxge_hw_status vxge_restore_vpath_mac_addr(struct vxge_vpath *vpath);
	452
	453	enum vxge_hw_status vxge_restore_vpath_vid_table(struct vxge_vpath *vpath);
	454
	455	int do_vxge_close(struct net_device *dev, int do_io);
	456	extern void initialize_ethtool_ops(struct net_device *ndev);
	457	/**
	458	* #define VXGE_DEBUG_INIT: debug for initialization functions
	459	* #define VXGE_DEBUG_TX : debug transmit related functions
	460	* #define VXGE_DEBUG_RX : debug recevice related functions
	461	* #define VXGE_DEBUG_MEM : debug memory module
	462	* #define VXGE_DEBUG_LOCK: debug locks
	463	* #define VXGE_DEBUG_SEM : debug semaphore
	464	* #define VXGE_DEBUG_ENTRYEXIT: debug functions by adding entry exit statements
	465	*/
	466	#define VXGE_DEBUG_INIT 0x00000001
	467	#define VXGE_DEBUG_TX 0x00000002
	468	#define VXGE_DEBUG_RX 0x00000004
	469	#define VXGE_DEBUG_MEM 0x00000008
	470	#define VXGE_DEBUG_LOCK 0x00000010
	471	#define VXGE_DEBUG_SEM 0x00000020
	472	#define VXGE_DEBUG_ENTRYEXIT 0x00000040
	473	#define VXGE_DEBUG_INTR 0x00000080
	474	#define VXGE_DEBUG_LL_CONFIG 0x00000100
	475
	476	/* Debug tracing for VXGE driver */
	477	#ifndef VXGE_DEBUG_MASK
	478	#define VXGE_DEBUG_MASK 0x0
	479	#endif
	480
	481	#if (VXGE_DEBUG_LL_CONFIG & VXGE_DEBUG_MASK)
	482	#define vxge_debug_ll_config(level, fmt, ...) \
	483	vxge_debug_ll(level, VXGE_DEBUG_LL_CONFIG, fmt, __VA_ARGS__)
	484	#else
	485	#define vxge_debug_ll_config(level, fmt, ...)
	486	#endif
	487
	488	#if (VXGE_DEBUG_INIT & VXGE_DEBUG_MASK)
	489	#define vxge_debug_init(level, fmt, ...) \
	490	vxge_debug_ll(level, VXGE_DEBUG_INIT, fmt, __VA_ARGS__)
	491	#else
	492	#define vxge_debug_init(level, fmt, ...)
	493	#endif
	494
	495	#if (VXGE_DEBUG_TX & VXGE_DEBUG_MASK)
	496	#define vxge_debug_tx(level, fmt, ...) \
	497	vxge_debug_ll(level, VXGE_DEBUG_TX, fmt, __VA_ARGS__)
	498	#else
	499	#define vxge_debug_tx(level, fmt, ...)
	500	#endif
	501
	502	#if (VXGE_DEBUG_RX & VXGE_DEBUG_MASK)
	503	#define vxge_debug_rx(level, fmt, ...) \
504	vxge_debug_ll(level, VXGE_DEBUG_RX, fmt, __VA_ARGS__)
505	#else
506	#define vxge_debug_rx(level, fmt, ...)
507	#endif
508
509	#if (VXGE_DEBUG_MEM & VXGE_DEBUG_MASK)
510	#define vxge_debug_mem(level, fmt, ...) \
511	vxge_debug_ll(level, VXGE_DEBUG_MEM, fmt, __VA_ARGS__)
512	#else
513	#define vxge_debug_mem(level, fmt, ...)
514	#endif
515
516	#if (VXGE_DEBUG_ENTRYEXIT & VXGE_DEBUG_MASK)
517	#define vxge_debug_entryexit(level, fmt, ...) \
518	vxge_debug_ll(level, VXGE_DEBUG_ENTRYEXIT, fmt, __VA_ARGS__)
519	#else
520	#define vxge_debug_entryexit(level, fmt, ...)
521	#endif
522
523	#if (VXGE_DEBUG_INTR & VXGE_DEBUG_MASK)
524	#define vxge_debug_intr(level, fmt, ...) \
525	vxge_debug_ll(level, VXGE_DEBUG_INTR, fmt, __VA_ARGS__)
526	#else
527	#define vxge_debug_intr(level, fmt, ...)
528	#endif
529
530	#define VXGE_DEVICE_DEBUG_LEVEL_SET(level, mask, vdev) {\
531	vxge_hw_device_debug_set((struct __vxge_hw_device *)vdev->devh, \
532	level, mask);\
533	VXGE_COPY_DEBUG_INFO_TO_LL(vdev, \
534	vxge_hw_device_error_level_get((struct __vxge_hw_device *) \
535	vdev->devh), \
536	vxge_hw_device_trace_level_get((struct __vxge_hw_device *) \
537	vdev->devh));\
538	}
539
540	#ifdef NETIF_F_GSO
541	#define vxge_tcp_mss(skb) (skb_shinfo(skb)->gso_size)
542	#define vxge_udp_mss(skb) (skb_shinfo(skb)->gso_size)
543	#define vxge_offload_type(skb) (skb_shinfo(skb)->gso_type)
544	#endif
545
546	#endif