drivers/net/ethernet/brocade/bna/bnad.h - linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Linux network driver for QLogic BR-series Converged Network Adapter.
  */
 /*
  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
  * Copyright (c) 2014-2015 QLogic Corporation
  * All rights reserved
  * www.qlogic.com
  */
 #ifndef __BNAD_H__
 #define __BNAD_H__

 #include <linux/rtnetlink.h>
 #include <linux/workqueue.h>
 #include <linux/ipv6.h>
 #include <linux/etherdevice.h>
 #include <linux/mutex.h>
 #include <linux/firmware.h>
 #include <linux/if_vlan.h>

 /* Fix for IA64 */
 #include <asm/checksum.h>
 #include <net/ip6_checksum.h>

 #include <net/ip.h>
 #include <net/tcp.h>

 #include "bna.h"

 #define BNAD_TXQ_DEPTH		2048
 #define BNAD_RXQ_DEPTH		2048

 #define BNAD_MAX_TX		1
 #define BNAD_MAX_TXQ_PER_TX	8	/* 8 priority queues */
 #define BNAD_TXQ_NUM		1

 #define BNAD_MAX_RX		1
 #define BNAD_MAX_RXP_PER_RX	16
 #define BNAD_MAX_RXQ_PER_RXP	2

 /*
  * Control structure pointed to ccb->ctrl, which
  * determines the NAPI / LRO behavior CCB
  * There is 1:1 corres. between ccb & ctrl
  */
 struct bnad_rx_ctrl {
 	struct bna_ccb *ccb;
 	struct bnad *bnad;
 	unsigned long  flags;
 	struct napi_struct	napi;
 	u64		rx_intr_ctr;
 	u64		rx_poll_ctr;
 	u64		rx_schedule;
 	u64		rx_keep_poll;
 	u64		rx_complete;
 };

 #define BNAD_RXMODE_PROMISC_DEFAULT	BNA_RXMODE_PROMISC

 /*
  * GLOBAL #defines (CONSTANTS)
  */
 #define BNAD_NAME			"bna"
 #define BNAD_NAME_LEN			64

 #define BNAD_MAILBOX_MSIX_INDEX		0
 #define BNAD_MAILBOX_MSIX_VECTORS	1
 #define BNAD_INTX_TX_IB_BITMASK		0x1
 #define BNAD_INTX_RX_IB_BITMASK		0x2

 #define BNAD_STATS_TIMER_FREQ		1000	/* in msecs */
 #define BNAD_DIM_TIMER_FREQ		1000	/* in msecs */

 #define BNAD_IOCETH_TIMEOUT	     10000

 #define BNAD_MIN_Q_DEPTH		512
 #define BNAD_MAX_RXQ_DEPTH		16384
 #define BNAD_MAX_TXQ_DEPTH		2048

 #define BNAD_JUMBO_MTU			9000

 #define BNAD_NETIF_WAKE_THRESHOLD	8

 #define BNAD_RXQ_REFILL_THRESHOLD_SHIFT	3

 /* Bit positions for tcb->flags */
 #define BNAD_TXQ_FREE_SENT		0
 #define BNAD_TXQ_TX_STARTED		1

 /* Bit positions for rcb->flags */
 #define BNAD_RXQ_STARTED		0
 #define BNAD_RXQ_POST_OK		1

 /* Resource limits */
 #define BNAD_NUM_TXQ			(bnad->num_tx * bnad->num_txq_per_tx)
 #define BNAD_NUM_RXP			(bnad->num_rx * bnad->num_rxp_per_rx)

 #define BNAD_FRAME_SIZE(_mtu) \
 	(ETH_HLEN + VLAN_HLEN + (_mtu) + ETH_FCS_LEN)

 /*
  * DATA STRUCTURES
  */

 /* enums */
 enum bnad_intr_source {
 	BNAD_INTR_TX		= 1,
 	BNAD_INTR_RX		= 2
 };

 enum bnad_link_state {
 	BNAD_LS_DOWN		= 0,
 	BNAD_LS_UP		= 1
 };

 struct bnad_iocmd_comp {
 	struct bnad		*bnad;
 	struct completion	comp;
 	int			comp_status;
 };

 struct bnad_completion {
 	struct completion	ioc_comp;
 	struct completion	ucast_comp;
 	struct completion	mcast_comp;
 	struct completion	tx_comp;
 	struct completion	rx_comp;
 	struct completion	stats_comp;
 	struct completion	enet_comp;
 	struct completion	mtu_comp;

 	u8			ioc_comp_status;
 	u8			ucast_comp_status;
 	u8			mcast_comp_status;
 	u8			tx_comp_status;
 	u8			rx_comp_status;
 	u8			stats_comp_status;
 	u8			port_comp_status;
 	u8			mtu_comp_status;
 };

 /* Tx Rx Control Stats */
 struct bnad_drv_stats {
 	u64		netif_queue_stop;
 	u64		netif_queue_wakeup;
 	u64		netif_queue_stopped;
 	u64		tso4;
 	u64		tso6;
 	u64		tso_err;
 	u64		tcpcsum_offload;
 	u64		udpcsum_offload;
 	u64		csum_help;
 	u64		tx_skb_too_short;
 	u64		tx_skb_stopping;
 	u64		tx_skb_max_vectors;
 	u64		tx_skb_mss_too_long;
 	u64		tx_skb_tso_too_short;
 	u64		tx_skb_tso_prepare;
 	u64		tx_skb_non_tso_too_long;
 	u64		tx_skb_tcp_hdr;
 	u64		tx_skb_udp_hdr;
 	u64		tx_skb_csum_err;
 	u64		tx_skb_headlen_too_long;
 	u64		tx_skb_headlen_zero;
 	u64		tx_skb_frag_zero;
 	u64		tx_skb_len_mismatch;
 	u64		tx_skb_map_failed;

 	u64		hw_stats_updates;
 	u64		netif_rx_dropped;

 	u64		link_toggle;
 	u64		cee_toggle;

 	u64		rxp_info_alloc_failed;
 	u64		mbox_intr_disabled;
 	u64		mbox_intr_enabled;
 	u64		tx_unmap_q_alloc_failed;
 	u64		rx_unmap_q_alloc_failed;

 	u64		rxbuf_alloc_failed;
 	u64		rxbuf_map_failed;
 };

 /* Complete driver stats */
 struct bnad_stats {
 	struct bnad_drv_stats drv_stats;
 	struct bna_stats *bna_stats;
 };

 /* Tx / Rx Resources */
 struct bnad_tx_res_info {
 	struct bna_res_info res_info[BNA_TX_RES_T_MAX];
 };

 struct bnad_rx_res_info {
 	struct bna_res_info res_info[BNA_RX_RES_T_MAX];
 };

 struct bnad_tx_info {
 	struct bna_tx *tx; /* 1:1 between tx_info & tx */
 	struct bna_tcb *tcb[BNAD_MAX_TXQ_PER_TX];
 	u32 tx_id;
 	struct delayed_work tx_cleanup_work;
 } ____cacheline_aligned;

 struct bnad_rx_info {
 	struct bna_rx *rx; /* 1:1 between rx_info & rx */

 	struct bnad_rx_ctrl rx_ctrl[BNAD_MAX_RXP_PER_RX];
 	u32 rx_id;
 	struct work_struct rx_cleanup_work;
 } ____cacheline_aligned;

 struct bnad_tx_vector {
 	DEFINE_DMA_UNMAP_ADDR(dma_addr);
 	DEFINE_DMA_UNMAP_LEN(dma_len);
 };

 struct bnad_tx_unmap {
 	struct sk_buff		*skb;
 	u32			nvecs;
 	struct bnad_tx_vector	vectors[BFI_TX_MAX_VECTORS_PER_WI];
 };

 struct bnad_rx_vector {
 	DEFINE_DMA_UNMAP_ADDR(dma_addr);
 	u32			len;
 };

 struct bnad_rx_unmap {
 	struct page		*page;
 	struct sk_buff		*skb;
 	struct bnad_rx_vector	vector;
 	u32			page_offset;
 };

 enum bnad_rxbuf_type {
 	BNAD_RXBUF_NONE		= 0,
 	BNAD_RXBUF_SK_BUFF	= 1,
 	BNAD_RXBUF_PAGE		= 2,
 	BNAD_RXBUF_MULTI_BUFF	= 3
 };

 #define BNAD_RXBUF_IS_SK_BUFF(_type)	((_type) == BNAD_RXBUF_SK_BUFF)
 #define BNAD_RXBUF_IS_MULTI_BUFF(_type)	((_type) == BNAD_RXBUF_MULTI_BUFF)

 struct bnad_rx_unmap_q {
 	int			reuse_pi;
 	int			alloc_order;
 	u32			map_size;
 	enum bnad_rxbuf_type	type;
 	struct bnad_rx_unmap	unmap[] ____cacheline_aligned;
 };

 #define BNAD_PCI_DEV_IS_CAT2(_bnad) \
 	((_bnad)->pcidev->device == BFA_PCI_DEVICE_ID_CT2)

 /* Bit mask values for bnad->cfg_flags */
 #define	BNAD_CF_DIM_ENABLED		0x01	/* DIM */
 #define	BNAD_CF_PROMISC			0x02
 #define BNAD_CF_ALLMULTI		0x04
 #define	BNAD_CF_DEFAULT			0x08
 #define	BNAD_CF_MSIX			0x10	/* If in MSIx mode */

 /* Defines for run_flags bit-mask */
 /* Set, tested & cleared using xxx_bit() functions */
 /* Values indicated bit positions */
 #define BNAD_RF_CEE_RUNNING		0
 #define BNAD_RF_MTU_SET		1
 #define BNAD_RF_MBOX_IRQ_DISABLED	2
 #define BNAD_RF_NETDEV_REGISTERED	3
 #define BNAD_RF_DIM_TIMER_RUNNING	4
 #define BNAD_RF_STATS_TIMER_RUNNING	5
 #define BNAD_RF_TX_PRIO_SET		6

 struct bnad {
 	struct net_device	*netdev;
 	u32			id;

 	/* Data path */
 	struct bnad_tx_info tx_info[BNAD_MAX_TX];
 	struct bnad_rx_info rx_info[BNAD_MAX_RX];

 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 	/*
 	 * These q numbers are global only because
 	 * they are used to calculate MSIx vectors.
 	 * Actually the exact # of queues are per Tx/Rx
 	 * object.
 	 */
 	u32		num_tx;
 	u32		num_rx;
 	u32		num_txq_per_tx;
 	u32		num_rxp_per_rx;

 	u32		txq_depth;
 	u32		rxq_depth;

 	u8			tx_coalescing_timeo;
 	u8			rx_coalescing_timeo;

 	struct bna_rx_config rx_config[BNAD_MAX_RX] ____cacheline_aligned;
 	struct bna_tx_config tx_config[BNAD_MAX_TX] ____cacheline_aligned;

 	void __iomem		*bar0;	/* BAR0 address */

 	struct bna bna;

 	u32		cfg_flags;
 	unsigned long		run_flags;

 	struct pci_dev		*pcidev;
 	u64		mmio_start;
 	u64		mmio_len;

 	u32		msix_num;
 	struct msix_entry	*msix_table;

 	struct mutex		conf_mutex;
 	spinlock_t		bna_lock ____cacheline_aligned;

 	/* Timers */
 	struct timer_list	ioc_timer;
 	struct timer_list	dim_timer;
 	struct timer_list	stats_timer;

 	/* Control path resources, memory & irq */
 	struct bna_res_info res_info[BNA_RES_T_MAX];
 	struct bna_res_info mod_res_info[BNA_MOD_RES_T_MAX];
 	struct bnad_tx_res_info tx_res_info[BNAD_MAX_TX];
 	struct bnad_rx_res_info rx_res_info[BNAD_MAX_RX];

 	struct bnad_completion bnad_completions;

 	/* Burnt in MAC address */
 	u8			perm_addr[ETH_ALEN];

 	struct workqueue_struct *work_q;

 	/* Statistics */
 	struct bnad_stats stats;

 	struct bnad_diag *diag;

 	char			adapter_name[BNAD_NAME_LEN];
 	char			port_name[BNAD_NAME_LEN];
 	char			mbox_irq_name[BNAD_NAME_LEN];
 	char			wq_name[BNAD_NAME_LEN];

 	/* debugfs specific data */
 	char	*regdata;
 	u32	reglen;
 	struct dentry *bnad_dentry_files[5];
 	struct dentry *port_debugfs_root;
 };

 struct bnad_drvinfo {
 	struct bfa_ioc_attr  ioc_attr;
 	struct bfa_cee_attr  cee_attr;
 	struct bfa_flash_attr flash_attr;
 	u32	cee_status;
 	u32	flash_status;
 };

 /*
  * EXTERN VARIABLES
  */
 extern const struct firmware *bfi_fw;

 /*
  * EXTERN PROTOTYPES
  */
 u32 *cna_get_firmware_buf(struct pci_dev *pdev);
 /* Netdev entry point prototypes */
 void bnad_set_rx_mode(struct net_device *netdev);
 struct net_device_stats *bnad_get_netdev_stats(struct net_device *netdev);
 int bnad_mac_addr_set_locked(struct bnad *bnad, const u8 *mac_addr);
 int bnad_enable_default_bcast(struct bnad *bnad);
 void bnad_restore_vlans(struct bnad *bnad, u32 rx_id);
 void bnad_set_ethtool_ops(struct net_device *netdev);
 void bnad_cb_completion(void *arg, enum bfa_status status);

 /* Configuration & setup */
 void bnad_tx_coalescing_timeo_set(struct bnad *bnad);
 void bnad_rx_coalescing_timeo_set(struct bnad *bnad);

 int bnad_setup_rx(struct bnad *bnad, u32 rx_id);
 int bnad_setup_tx(struct bnad *bnad, u32 tx_id);
 void bnad_destroy_tx(struct bnad *bnad, u32 tx_id);
 void bnad_destroy_rx(struct bnad *bnad, u32 rx_id);

 /* Timer start/stop protos */
 void bnad_dim_timer_start(struct bnad *bnad);

 /* Statistics */
 void bnad_netdev_qstats_fill(struct bnad *bnad,
 			     struct rtnl_link_stats64 *stats);
 void bnad_netdev_hwstats_fill(struct bnad *bnad,
 			      struct rtnl_link_stats64 *stats);

 /* Debugfs */
 void bnad_debugfs_init(struct bnad *bnad);
 void bnad_debugfs_uninit(struct bnad *bnad);

 /* MACROS */
 /* To set & get the stats counters */
 #define BNAD_UPDATE_CTR(_bnad, _ctr)				\
 				(((_bnad)->stats.drv_stats._ctr)++)

 #define BNAD_GET_CTR(_bnad, _ctr) ((_bnad)->stats.drv_stats._ctr)

 #define bnad_enable_rx_irq_unsafe(_ccb)			\
 {							\
 	if (likely(test_bit(BNAD_RXQ_STARTED, &(_ccb)->rcb[0]->flags))) {\
 		bna_ib_coalescing_timer_set((_ccb)->i_dbell,	\
 			(_ccb)->rx_coalescing_timeo);		\
 		bna_ib_ack((_ccb)->i_dbell, 0);			\
 	}							\
 }

 #endif /* __BNAD_H__ */
	/* SPDX-License-Identifier: GPL-2.0-only */
	/*
	* Linux network driver for QLogic BR-series Converged Network Adapter.
	*/
	/*
	* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
	* Copyright (c) 2014-2015 QLogic Corporation
	* All rights reserved
	* www.qlogic.com
	*/
	#ifndef __BNAD_H__
	#define __BNAD_H__

	#include <linux/rtnetlink.h>
	#include <linux/workqueue.h>
	#include <linux/ipv6.h>
	#include <linux/etherdevice.h>
	#include <linux/mutex.h>
	#include <linux/firmware.h>
	#include <linux/if_vlan.h>

	/* Fix for IA64 */
	#include <asm/checksum.h>
	#include <net/ip6_checksum.h>

	#include <net/ip.h>
	#include <net/tcp.h>

	#include "bna.h"

	#define BNAD_TXQ_DEPTH 2048
	#define BNAD_RXQ_DEPTH 2048

	#define BNAD_MAX_TX 1
	#define BNAD_MAX_TXQ_PER_TX 8 /* 8 priority queues */
	#define BNAD_TXQ_NUM 1

	#define BNAD_MAX_RX 1
	#define BNAD_MAX_RXP_PER_RX 16
	#define BNAD_MAX_RXQ_PER_RXP 2

	/*
	* Control structure pointed to ccb->ctrl, which
	* determines the NAPI / LRO behavior CCB
	* There is 1:1 corres. between ccb & ctrl
	*/
	struct bnad_rx_ctrl {
	struct bna_ccb *ccb;
	struct bnad *bnad;
	unsigned long flags;
	struct napi_struct napi;
	u64 rx_intr_ctr;
	u64 rx_poll_ctr;
	u64 rx_schedule;
	u64 rx_keep_poll;
	u64 rx_complete;
	};

	#define BNAD_RXMODE_PROMISC_DEFAULT BNA_RXMODE_PROMISC

	/*
	* GLOBAL #defines (CONSTANTS)
	*/
	#define BNAD_NAME "bna"
	#define BNAD_NAME_LEN 64

	#define BNAD_MAILBOX_MSIX_INDEX 0
	#define BNAD_MAILBOX_MSIX_VECTORS 1
	#define BNAD_INTX_TX_IB_BITMASK 0x1
	#define BNAD_INTX_RX_IB_BITMASK 0x2

	#define BNAD_STATS_TIMER_FREQ 1000 /* in msecs */
	#define BNAD_DIM_TIMER_FREQ 1000 /* in msecs */

	#define BNAD_IOCETH_TIMEOUT 10000

	#define BNAD_MIN_Q_DEPTH 512
	#define BNAD_MAX_RXQ_DEPTH 16384
	#define BNAD_MAX_TXQ_DEPTH 2048

	#define BNAD_JUMBO_MTU 9000

	#define BNAD_NETIF_WAKE_THRESHOLD 8

	#define BNAD_RXQ_REFILL_THRESHOLD_SHIFT 3

	/* Bit positions for tcb->flags */
	#define BNAD_TXQ_FREE_SENT 0
	#define BNAD_TXQ_TX_STARTED 1

	/* Bit positions for rcb->flags */
	#define BNAD_RXQ_STARTED 0
	#define BNAD_RXQ_POST_OK 1

	/* Resource limits */
	#define BNAD_NUM_TXQ (bnad->num_tx * bnad->num_txq_per_tx)
	#define BNAD_NUM_RXP (bnad->num_rx * bnad->num_rxp_per_rx)

	#define BNAD_FRAME_SIZE(_mtu) \
	(ETH_HLEN + VLAN_HLEN + (_mtu) + ETH_FCS_LEN)

	/*
	* DATA STRUCTURES
	*/

	/* enums */
	enum bnad_intr_source {
	BNAD_INTR_TX = 1,
	BNAD_INTR_RX = 2
	};

	enum bnad_link_state {
	BNAD_LS_DOWN = 0,
	BNAD_LS_UP = 1
	};

	struct bnad_iocmd_comp {
	struct bnad *bnad;
	struct completion comp;
	int comp_status;
	};

	struct bnad_completion {
	struct completion ioc_comp;
	struct completion ucast_comp;
	struct completion mcast_comp;
	struct completion tx_comp;
	struct completion rx_comp;
	struct completion stats_comp;
	struct completion enet_comp;
	struct completion mtu_comp;

	u8 ioc_comp_status;
	u8 ucast_comp_status;
	u8 mcast_comp_status;
	u8 tx_comp_status;
	u8 rx_comp_status;
	u8 stats_comp_status;
	u8 port_comp_status;
	u8 mtu_comp_status;
	};

	/* Tx Rx Control Stats */
	struct bnad_drv_stats {
	u64 netif_queue_stop;
	u64 netif_queue_wakeup;
	u64 netif_queue_stopped;
	u64 tso4;
	u64 tso6;
	u64 tso_err;
	u64 tcpcsum_offload;
	u64 udpcsum_offload;
	u64 csum_help;
	u64 tx_skb_too_short;
	u64 tx_skb_stopping;
	u64 tx_skb_max_vectors;
	u64 tx_skb_mss_too_long;
	u64 tx_skb_tso_too_short;
	u64 tx_skb_tso_prepare;
	u64 tx_skb_non_tso_too_long;
	u64 tx_skb_tcp_hdr;
	u64 tx_skb_udp_hdr;
	u64 tx_skb_csum_err;
	u64 tx_skb_headlen_too_long;
	u64 tx_skb_headlen_zero;
	u64 tx_skb_frag_zero;
	u64 tx_skb_len_mismatch;
	u64 tx_skb_map_failed;

	u64 hw_stats_updates;
	u64 netif_rx_dropped;

	u64 link_toggle;
	u64 cee_toggle;

	u64 rxp_info_alloc_failed;
	u64 mbox_intr_disabled;
	u64 mbox_intr_enabled;
	u64 tx_unmap_q_alloc_failed;
	u64 rx_unmap_q_alloc_failed;

	u64 rxbuf_alloc_failed;
	u64 rxbuf_map_failed;
	};

	/* Complete driver stats */
	struct bnad_stats {
	struct bnad_drv_stats drv_stats;
	struct bna_stats *bna_stats;
	};

	/* Tx / Rx Resources */
	struct bnad_tx_res_info {
	struct bna_res_info res_info[BNA_TX_RES_T_MAX];
	};

	struct bnad_rx_res_info {
	struct bna_res_info res_info[BNA_RX_RES_T_MAX];
	};

	struct bnad_tx_info {
	struct bna_tx tx; / 1:1 between tx_info & tx */
	struct bna_tcb *tcb[BNAD_MAX_TXQ_PER_TX];
	u32 tx_id;
	struct delayed_work tx_cleanup_work;
	} ____cacheline_aligned;

	struct bnad_rx_info {
	struct bna_rx rx; / 1:1 between rx_info & rx */

	struct bnad_rx_ctrl rx_ctrl[BNAD_MAX_RXP_PER_RX];
	u32 rx_id;
	struct work_struct rx_cleanup_work;
	} ____cacheline_aligned;

	struct bnad_tx_vector {
	DEFINE_DMA_UNMAP_ADDR(dma_addr);
	DEFINE_DMA_UNMAP_LEN(dma_len);
	};

	struct bnad_tx_unmap {
	struct sk_buff *skb;
	u32 nvecs;
	struct bnad_tx_vector vectors[BFI_TX_MAX_VECTORS_PER_WI];
	};

	struct bnad_rx_vector {
	DEFINE_DMA_UNMAP_ADDR(dma_addr);
	u32 len;
	};

	struct bnad_rx_unmap {
	struct page *page;
	struct sk_buff *skb;
	struct bnad_rx_vector vector;
	u32 page_offset;
	};

	enum bnad_rxbuf_type {
	BNAD_RXBUF_NONE = 0,
	BNAD_RXBUF_SK_BUFF = 1,
	BNAD_RXBUF_PAGE = 2,
	BNAD_RXBUF_MULTI_BUFF = 3
	};

	#define BNAD_RXBUF_IS_SK_BUFF(_type) ((_type) == BNAD_RXBUF_SK_BUFF)
	#define BNAD_RXBUF_IS_MULTI_BUFF(_type) ((_type) == BNAD_RXBUF_MULTI_BUFF)

	struct bnad_rx_unmap_q {
	int reuse_pi;
	int alloc_order;
	u32 map_size;
	enum bnad_rxbuf_type type;
	struct bnad_rx_unmap unmap[] ____cacheline_aligned;
	};

	#define BNAD_PCI_DEV_IS_CAT2(_bnad) \
	((_bnad)->pcidev->device == BFA_PCI_DEVICE_ID_CT2)

	/* Bit mask values for bnad->cfg_flags */
	#define BNAD_CF_DIM_ENABLED 0x01 /* DIM */
	#define BNAD_CF_PROMISC 0x02
	#define BNAD_CF_ALLMULTI 0x04
	#define BNAD_CF_DEFAULT 0x08
	#define BNAD_CF_MSIX 0x10 /* If in MSIx mode */

	/* Defines for run_flags bit-mask */
	/* Set, tested & cleared using xxx_bit() functions */
	/* Values indicated bit positions */
	#define BNAD_RF_CEE_RUNNING 0
	#define BNAD_RF_MTU_SET 1
	#define BNAD_RF_MBOX_IRQ_DISABLED 2
	#define BNAD_RF_NETDEV_REGISTERED 3
	#define BNAD_RF_DIM_TIMER_RUNNING 4
	#define BNAD_RF_STATS_TIMER_RUNNING 5
	#define BNAD_RF_TX_PRIO_SET 6

	struct bnad {
	struct net_device *netdev;
	u32 id;

	/* Data path */
	struct bnad_tx_info tx_info[BNAD_MAX_TX];
	struct bnad_rx_info rx_info[BNAD_MAX_RX];

	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
	/*
	* These q numbers are global only because
	* they are used to calculate MSIx vectors.
	* Actually the exact # of queues are per Tx/Rx
	* object.
	*/
	u32 num_tx;
	u32 num_rx;
	u32 num_txq_per_tx;
	u32 num_rxp_per_rx;

	u32 txq_depth;
	u32 rxq_depth;

	u8 tx_coalescing_timeo;
	u8 rx_coalescing_timeo;

	struct bna_rx_config rx_config[BNAD_MAX_RX] ____cacheline_aligned;
	struct bna_tx_config tx_config[BNAD_MAX_TX] ____cacheline_aligned;

	void __iomem bar0; / BAR0 address */

	struct bna bna;

	u32 cfg_flags;
	unsigned long run_flags;

	struct pci_dev *pcidev;
	u64 mmio_start;
	u64 mmio_len;

	u32 msix_num;
	struct msix_entry *msix_table;

	struct mutex conf_mutex;
	spinlock_t bna_lock ____cacheline_aligned;

	/* Timers */
	struct timer_list ioc_timer;
	struct timer_list dim_timer;
	struct timer_list stats_timer;

	/* Control path resources, memory & irq */
	struct bna_res_info res_info[BNA_RES_T_MAX];
	struct bna_res_info mod_res_info[BNA_MOD_RES_T_MAX];
	struct bnad_tx_res_info tx_res_info[BNAD_MAX_TX];
	struct bnad_rx_res_info rx_res_info[BNAD_MAX_RX];

	struct bnad_completion bnad_completions;

	/* Burnt in MAC address */
	u8 perm_addr[ETH_ALEN];

	struct workqueue_struct *work_q;

	/* Statistics */
	struct bnad_stats stats;

	struct bnad_diag *diag;

	char adapter_name[BNAD_NAME_LEN];
	char port_name[BNAD_NAME_LEN];
	char mbox_irq_name[BNAD_NAME_LEN];
	char wq_name[BNAD_NAME_LEN];

	/* debugfs specific data */
	char *regdata;
	u32 reglen;
	struct dentry *bnad_dentry_files[5];
	struct dentry *port_debugfs_root;
	};

	struct bnad_drvinfo {
	struct bfa_ioc_attr ioc_attr;
	struct bfa_cee_attr cee_attr;
	struct bfa_flash_attr flash_attr;
	u32 cee_status;
	u32 flash_status;
	};

	/*
	* EXTERN VARIABLES
	*/
	extern const struct firmware *bfi_fw;

	/*
	* EXTERN PROTOTYPES
	*/
	u32 cna_get_firmware_buf(struct pci_dev pdev);
	/* Netdev entry point prototypes */
	void bnad_set_rx_mode(struct net_device *netdev);
	struct net_device_stats bnad_get_netdev_stats(struct net_device netdev);
	int bnad_mac_addr_set_locked(struct bnad bnad, const u8 mac_addr);
	int bnad_enable_default_bcast(struct bnad *bnad);
	void bnad_restore_vlans(struct bnad *bnad, u32 rx_id);
	void bnad_set_ethtool_ops(struct net_device *netdev);
	void bnad_cb_completion(void *arg, enum bfa_status status);

	/* Configuration & setup */
	void bnad_tx_coalescing_timeo_set(struct bnad *bnad);
	void bnad_rx_coalescing_timeo_set(struct bnad *bnad);

	int bnad_setup_rx(struct bnad *bnad, u32 rx_id);
	int bnad_setup_tx(struct bnad *bnad, u32 tx_id);
	void bnad_destroy_tx(struct bnad *bnad, u32 tx_id);
	void bnad_destroy_rx(struct bnad *bnad, u32 rx_id);

	/* Timer start/stop protos */
	void bnad_dim_timer_start(struct bnad *bnad);

	/* Statistics */
	void bnad_netdev_qstats_fill(struct bnad *bnad,
	struct rtnl_link_stats64 *stats);
	void bnad_netdev_hwstats_fill(struct bnad *bnad,
	struct rtnl_link_stats64 *stats);

	/* Debugfs */
	void bnad_debugfs_init(struct bnad *bnad);
	void bnad_debugfs_uninit(struct bnad *bnad);

	/* MACROS */
	/* To set & get the stats counters */
	#define BNAD_UPDATE_CTR(_bnad, _ctr) \
	(((_bnad)->stats.drv_stats._ctr)++)

	#define BNAD_GET_CTR(_bnad, _ctr) ((_bnad)->stats.drv_stats._ctr)

	#define bnad_enable_rx_irq_unsafe(_ccb) \
	{ \
	if (likely(test_bit(BNAD_RXQ_STARTED, &(_ccb)->rcb[0]->flags))) {\
	bna_ib_coalescing_timer_set((_ccb)->i_dbell, \
	(_ccb)->rx_coalescing_timeo); \
	bna_ib_ack((_ccb)->i_dbell, 0); \
	} \
	}

	#endif /* __BNAD_H__ */