[deliverable/linux.git] / drivers / net / benet / be.h

/*
 * Copyright (C) 2005 - 2011 Emulex
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.  The full GNU General
 * Public License is included in this distribution in the file called COPYING.
 *
 * Contact Information:
 * linux-drivers@emulex.com
 *
 * Emulex
 * 3333 Susan Street
 * Costa Mesa, CA 92626
 */

#ifndef BE_H
#define BE_H

#include <linux/pci.h>
#include <linux/etherdevice.h>
#include <linux/version.h>
#include <linux/delay.h>
#include <net/tcp.h>
#include <net/ip.h>
#include <net/ipv6.h>
#include <linux/if_vlan.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/firmware.h>
#include <linux/slab.h>

#include "be_hw.h"

#define DRV_VER			"4.0.100u"
#define DRV_NAME		"be2net"
#define BE_NAME			"ServerEngines BladeEngine2 10Gbps NIC"
#define BE3_NAME		"ServerEngines BladeEngine3 10Gbps NIC"
#define OC_NAME			"Emulex OneConnect 10Gbps NIC"
#define OC_NAME_BE		OC_NAME	"(be3)"
#define OC_NAME_LANCER		OC_NAME "(Lancer)"
#define DRV_DESC		"ServerEngines BladeEngine 10Gbps NIC Driver"

#define BE_VENDOR_ID 		0x19a2
#define EMULEX_VENDOR_ID	0x10df
#define BE_DEVICE_ID1		0x211
#define BE_DEVICE_ID2		0x221
#define OC_DEVICE_ID1		0x700	/* Device Id for BE2 cards */
#define OC_DEVICE_ID2		0x710	/* Device Id for BE3 cards */
#define OC_DEVICE_ID3		0xe220	/* Device id for Lancer cards */

static inline char *nic_name(struct pci_dev *pdev)
{
	switch (pdev->device) {
	case OC_DEVICE_ID1:
		return OC_NAME;
	case OC_DEVICE_ID2:
		return OC_NAME_BE;
	case OC_DEVICE_ID3:
		return OC_NAME_LANCER;
	case BE_DEVICE_ID2:
		return BE3_NAME;
	default:
		return BE_NAME;
	}
}

/* Number of bytes of an RX frame that are copied to skb->data */
#define BE_HDR_LEN		((u16) 64)
#define BE_MAX_JUMBO_FRAME_SIZE	9018
#define BE_MIN_MTU		256

#define BE_NUM_VLANS_SUPPORTED	64
#define BE_MAX_EQD		96
#define	BE_MAX_TX_FRAG_COUNT	30

#define EVNT_Q_LEN		1024
#define TX_Q_LEN		2048
#define TX_CQ_LEN		1024
#define RX_Q_LEN		1024	/* Does not support any other value */
#define RX_CQ_LEN		1024
#define MCC_Q_LEN		128	/* total size not to exceed 8 pages */
#define MCC_CQ_LEN		256

#define MAX_RSS_QS		4	/* BE limit is 4 queues/port */
#define MAX_RX_QS		(MAX_RSS_QS + 1) /* RSS qs + 1 def Rx */
#define BE_MAX_MSIX_VECTORS	(MAX_RX_QS + 1)/* RX + TX */
#define BE_NAPI_WEIGHT		64
#define MAX_RX_POST 		BE_NAPI_WEIGHT /* Frags posted at a time */
#define RX_FRAGS_REFILL_WM	(RX_Q_LEN - MAX_RX_POST)

#define FW_VER_LEN		32

struct be_dma_mem {
	void *va;
	dma_addr_t dma;
	u32 size;
};

struct be_queue_info {
	struct be_dma_mem dma_mem;
	u16 len;
	u16 entry_size;	/* Size of an element in the queue */
	u16 id;
	u16 tail, head;
	bool created;
	atomic_t used;	/* Number of valid elements in the queue */
};

static inline u32 MODULO(u16 val, u16 limit)
{
	BUG_ON(limit & (limit - 1));
	return val & (limit - 1);
}

static inline void index_adv(u16 *index, u16 val, u16 limit)
{
	*index = MODULO((*index + val), limit);
}

static inline void index_inc(u16 *index, u16 limit)
{
	*index = MODULO((*index + 1), limit);
}

static inline void *queue_head_node(struct be_queue_info *q)
{
	return q->dma_mem.va + q->head * q->entry_size;
}

static inline void *queue_tail_node(struct be_queue_info *q)
{
	return q->dma_mem.va + q->tail * q->entry_size;
}

static inline void queue_head_inc(struct be_queue_info *q)
{
	index_inc(&q->head, q->len);
}

static inline void queue_tail_inc(struct be_queue_info *q)
{
	index_inc(&q->tail, q->len);
}

struct be_eq_obj {
	struct be_queue_info q;
	char desc[32];

	/* Adaptive interrupt coalescing (AIC) info */
	bool enable_aic;
	u16 min_eqd;		/* in usecs */
	u16 max_eqd;		/* in usecs */
	u16 cur_eqd;		/* in usecs */
	u8  eq_idx;

	struct napi_struct napi;
};

struct be_mcc_obj {
	struct be_queue_info q;
	struct be_queue_info cq;
	bool rearm_cq;
};

struct be_tx_stats {
	u32 be_tx_reqs;		/* number of TX requests initiated */
	u32 be_tx_stops;	/* number of times TX Q was stopped */
	u32 be_tx_wrbs;		/* number of tx WRBs used */
	u32 be_tx_events;	/* number of tx completion events  */
	u32 be_tx_compl;	/* number of tx completion entries processed */
	ulong be_tx_jiffies;
	u64 be_tx_bytes;
	u64 be_tx_bytes_prev;
	u64 be_tx_pkts;
	u32 be_tx_rate;
};

struct be_tx_obj {
	struct be_queue_info q;
	struct be_queue_info cq;
	/* Remember the skbs that were transmitted */
	struct sk_buff *sent_skb_list[TX_Q_LEN];
};

/* Struct to remember the pages posted for rx frags */
struct be_rx_page_info {
	struct page *page;
	DEFINE_DMA_UNMAP_ADDR(bus);
	u16 page_offset;
	bool last_page_user;
};

struct be_rx_stats {
	u32 rx_post_fail;/* number of ethrx buffer alloc failures */
	u32 rx_polls;	/* number of times NAPI called poll function */
	u32 rx_events;	/* number of ucast rx completion events  */
	u32 rx_compl;	/* number of rx completion entries processed */
	ulong rx_jiffies;
	u64 rx_bytes;
	u64 rx_bytes_prev;
	u64 rx_pkts;
	u32 rx_rate;
	u32 rx_mcast_pkts;
	u32 rxcp_err;	/* Num rx completion entries w/ err set. */
	ulong rx_fps_jiffies;	/* jiffies at last FPS calc */
	u32 rx_frags;
	u32 prev_rx_frags;
	u32 rx_fps;		/* Rx frags per second */
};

struct be_rx_compl_info {
	u32 rss_hash;
	u16 vlan_tag;
	u16 pkt_size;
	u16 rxq_idx;
	u16 mac_id;
	u8 vlanf;
	u8 num_rcvd;
	u8 err;
	u8 ipf;
	u8 tcpf;
	u8 udpf;
	u8 ip_csum;
	u8 l4_csum;
	u8 ipv6;
	u8 vtm;
	u8 pkt_type;
};

struct be_rx_obj {
	struct be_adapter *adapter;
	struct be_queue_info q;
	struct be_queue_info cq;
	struct be_rx_compl_info rxcp;
	struct be_rx_page_info page_info_tbl[RX_Q_LEN];
	struct be_eq_obj rx_eq;
	struct be_rx_stats stats;
	u8 rss_id;
	bool rx_post_starved;	/* Zero rx frags have been posted to BE */
	u32 cache_line_barrier[16];
};

struct be_drv_stats {
	u8 be_on_die_temperature;
};

struct be_vf_cfg {
	unsigned char vf_mac_addr[ETH_ALEN];
	u32 vf_if_handle;
	u32 vf_pmac_id;
	u16 vf_vlan_tag;
	u32 vf_tx_rate;
};

#define BE_INVALID_PMAC_ID		0xffffffff

struct be_adapter {
	struct pci_dev *pdev;
	struct net_device *netdev;

	u8 __iomem *csr;
	u8 __iomem *db;		/* Door Bell */
	u8 __iomem *pcicfg;	/* PCI config space */

	struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
	struct be_dma_mem mbox_mem;
	/* Mbox mem is adjusted to align to 16 bytes. The allocated addr
	 * is stored for freeing purpose */
	struct be_dma_mem mbox_mem_alloced;

	struct be_mcc_obj mcc_obj;
	spinlock_t mcc_lock;	/* For serializing mcc cmds to BE card */
	spinlock_t mcc_cq_lock;

	struct msix_entry msix_entries[BE_MAX_MSIX_VECTORS];
	u32 num_msix_vec;
	bool isr_registered;

	/* TX Rings */
	struct be_eq_obj tx_eq;
	struct be_tx_obj tx_obj;
	struct be_tx_stats tx_stats;

	u32 cache_line_break[8];

	/* Rx rings */
	struct be_rx_obj rx_obj[MAX_RX_QS];
	u32 num_rx_qs;
	u32 big_page_size;	/* Compounded page size shared by rx wrbs */

	u8 eq_next_idx;
	struct be_drv_stats drv_stats;

	struct vlan_group *vlan_grp;
	u16 vlans_added;
	u16 max_vlans;	/* Number of vlans supported */
	u8 vlan_tag[VLAN_N_VID];
	u8 vlan_prio_bmap;	/* Available Priority BitMap */
	u16 recommended_prio;	/* Recommended Priority */
	struct be_dma_mem mc_cmd_mem;

	struct be_dma_mem stats_cmd;
	/* Work queue used to perform periodic tasks like getting statistics */
	struct delayed_work work;
	u16 work_counter;

	/* Ethtool knobs and info */
	char fw_ver[FW_VER_LEN];
	u32 if_handle;		/* Used to configure filtering */
	u32 pmac_id;		/* MAC addr handle used by BE card */
	u32 beacon_state;	/* for set_phys_id */

	bool eeh_err;
	bool link_up;
	u32 port_num;
	bool promiscuous;
	bool wol;
	u32 function_mode;
	u32 function_caps;
	u32 rx_fc;		/* Rx flow control */
	u32 tx_fc;		/* Tx flow control */
	bool ue_detected;
	bool stats_cmd_sent;
	int link_speed;
	u8 port_type;
	u8 transceiver;
	u8 autoneg;
	u8 generation;		/* BladeEngine ASIC generation */
	u32 flash_status;
	struct completion flash_compl;

	bool be3_native;
	bool sriov_enabled;
	struct be_vf_cfg *vf_cfg;
	u8 is_virtfn;
	u32 sli_family;
	u8 hba_port_num;
	u16 pvid;
};

#define be_physfn(adapter) (!adapter->is_virtfn)

/* BladeEngine Generation numbers */
#define BE_GEN2 2
#define BE_GEN3 3

#define lancer_chip(adapter)		(adapter->pdev->device == OC_DEVICE_ID3)

extern const struct ethtool_ops be_ethtool_ops;

#define msix_enabled(adapter)		(adapter->num_msix_vec > 0)
#define tx_stats(adapter)		(&adapter->tx_stats)
#define rx_stats(rxo)			(&rxo->stats)

#define BE_SET_NETDEV_OPS(netdev, ops)	(netdev->netdev_ops = ops)

#define for_all_rx_queues(adapter, rxo, i)				\
	for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;	\
		i++, rxo++)

/* Just skip the first default non-rss queue */
#define for_all_rss_queues(adapter, rxo, i)				\
	for (i = 0, rxo = &adapter->rx_obj[i+1]; i < (adapter->num_rx_qs - 1);\
		i++, rxo++)

#define PAGE_SHIFT_4K		12
#define PAGE_SIZE_4K		(1 << PAGE_SHIFT_4K)

/* Returns number of pages spanned by the data starting at the given addr */
#define PAGES_4K_SPANNED(_address, size) 				\
		((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + 	\
			(size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))

/* Byte offset into the page corresponding to given address */
#define OFFSET_IN_PAGE(addr)						\
		 ((size_t)(addr) & (PAGE_SIZE_4K-1))

/* Returns bit offset within a DWORD of a bitfield */
#define AMAP_BIT_OFFSET(_struct, field)  				\
		(((size_t)&(((_struct *)0)->field))%32)

/* Returns the bit mask of the field that is NOT shifted into location. */
static inline u32 amap_mask(u32 bitsize)
{
	return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
}

static inline void
amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
{
	u32 *dw = (u32 *) ptr + dw_offset;
	*dw &= ~(mask << offset);
	*dw |= (mask & value) << offset;
}

#define AMAP_SET_BITS(_struct, field, ptr, val)				\
		amap_set(ptr,						\
			offsetof(_struct, field)/32,			\
			amap_mask(sizeof(((_struct *)0)->field)),	\
			AMAP_BIT_OFFSET(_struct, field),		\
			val)

static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
{
	u32 *dw = (u32 *) ptr;
	return mask & (*(dw + dw_offset) >> offset);
}

#define AMAP_GET_BITS(_struct, field, ptr)				\
		amap_get(ptr,						\
			offsetof(_struct, field)/32,			\
			amap_mask(sizeof(((_struct *)0)->field)),	\
			AMAP_BIT_OFFSET(_struct, field))

#define be_dws_cpu_to_le(wrb, len)	swap_dws(wrb, len)
#define be_dws_le_to_cpu(wrb, len)	swap_dws(wrb, len)
static inline void swap_dws(void *wrb, int len)
{
#ifdef __BIG_ENDIAN
	u32 *dw = wrb;
	BUG_ON(len % 4);
	do {
		*dw = cpu_to_le32(*dw);
		dw++;
		len -= 4;
	} while (len);
#endif				/* __BIG_ENDIAN */
}

static inline u8 is_tcp_pkt(struct sk_buff *skb)
{
	u8 val = 0;

	if (ip_hdr(skb)->version == 4)
		val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
	else if (ip_hdr(skb)->version == 6)
		val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);

	return val;
}

static inline u8 is_udp_pkt(struct sk_buff *skb)
{
	u8 val = 0;

	if (ip_hdr(skb)->version == 4)
		val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
	else if (ip_hdr(skb)->version == 6)
		val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);

	return val;
}

static inline void be_check_sriov_fn_type(struct be_adapter *adapter)
{
	u32 sli_intf;

	pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf);
	adapter->is_virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0;
}

static inline void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac)
{
	u32 addr;

	addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0);

	mac[5] = (u8)(addr & 0xFF);
	mac[4] = (u8)((addr >> 8) & 0xFF);
	mac[3] = (u8)((addr >> 16) & 0xFF);
	/* Use the OUI from the current MAC address */
	memcpy(mac, adapter->netdev->dev_addr, 3);
}

static inline bool be_multi_rxq(const struct be_adapter *adapter)
{
	return adapter->num_rx_qs > 1;
}

extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
		u16 num_popped);
extern void be_link_status_update(struct be_adapter *adapter, bool link_up);
extern void netdev_stats_update(struct be_adapter *adapter);
extern int be_load_fw(struct be_adapter *adapter, u8 *func);
#endif				/* BE_H */
Commit	Line	Data
6b7c5b94	1	/*
d2145cde	2	* Copyright (C) 2005 - 2011 Emulex
6b7c5b94 SP	3	* All rights reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or
	6	* modify it under the terms of the GNU General Public License version 2
	7	* as published by the Free Software Foundation. The full GNU General
	8	* Public License is included in this distribution in the file called COPYING.
	9	*
	10	* Contact Information:
d2145cde	11	* linux-drivers@emulex.com
6b7c5b94	12	*
d2145cde AK	13	* Emulex
	14	* 3333 Susan Street
	15	* Costa Mesa, CA 92626
6b7c5b94 SP	16	*/
	17
	18	#ifndef BE_H
	19	#define BE_H
	20
	21	#include <linux/pci.h>
	22	#include <linux/etherdevice.h>
	23	#include <linux/version.h>
	24	#include <linux/delay.h>
	25	#include <net/tcp.h>
	26	#include <net/ip.h>
	27	#include <net/ipv6.h>
	28	#include <linux/if_vlan.h>
	29	#include <linux/workqueue.h>
	30	#include <linux/interrupt.h>
84517482	31	#include <linux/firmware.h>
5a0e3ad6	32	#include <linux/slab.h>
6b7c5b94 SP	33
	34	#include "be_hw.h"
	35
c888385a	36	#define DRV_VER "4.0.100u"
6b7c5b94 SP	37	#define DRV_NAME "be2net"
6b7c5b94 SP	38	#define BE_NAME "ServerEngines BladeEngine2 10Gbps NIC"
12d7ea2c	39	#define BE3_NAME "ServerEngines BladeEngine3 10Gbps NIC"
c4ca2374	40	#define OC_NAME "Emulex OneConnect 10Gbps NIC"
fe6d2a38 SP	41	#define OC_NAME_BE OC_NAME "(be3)"
fe6d2a38 SP	42	#define OC_NAME_LANCER OC_NAME "(Lancer)"
35ecf03c	43	#define DRV_DESC "ServerEngines BladeEngine 10Gbps NIC Driver"
6b7c5b94	44
c4ca2374	45	#define BE_VENDOR_ID 0x19a2
fe6d2a38	46	#define EMULEX_VENDOR_ID 0x10df
c4ca2374	47	#define BE_DEVICE_ID1 0x211
12d7ea2c	48	#define BE_DEVICE_ID2 0x221
fe6d2a38 SP	49	#define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */
	50	#define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */
	51	#define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */
c4ca2374 AK	52
	53	static inline char nic_name(struct pci_dev pdev)
	54	{
12d7ea2c AK	55	switch (pdev->device) {
12d7ea2c AK	56	case OC_DEVICE_ID1:
c4ca2374	57	return OC_NAME;
e254f6ec	58	case OC_DEVICE_ID2:
fe6d2a38 SP	59	return OC_NAME_BE;
	60	case OC_DEVICE_ID3:
	61	return OC_NAME_LANCER;
12d7ea2c AK	62	case BE_DEVICE_ID2:
	63	return BE3_NAME;
	64	default:
c4ca2374	65	return BE_NAME;
12d7ea2c	66	}
c4ca2374 AK	67	}
c4ca2374 AK	68
6b7c5b94	69	/* Number of bytes of an RX frame that are copied to skb->data */
2e588f84	70	#define BE_HDR_LEN ((u16) 64)
6b7c5b94 SP	71	#define BE_MAX_JUMBO_FRAME_SIZE 9018
	72	#define BE_MIN_MTU 256
	73
	74	#define BE_NUM_VLANS_SUPPORTED 64
	75	#define BE_MAX_EQD 96
	76	#define BE_MAX_TX_FRAG_COUNT 30
	77
	78	#define EVNT_Q_LEN 1024
	79	#define TX_Q_LEN 2048
	80	#define TX_CQ_LEN 1024
	81	#define RX_Q_LEN 1024 /* Does not support any other value */
	82	#define RX_CQ_LEN 1024
5fb379ee	83	#define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
6b7c5b94 SP	84	#define MCC_CQ_LEN 256
6b7c5b94 SP	85
3abcdeda	86	#define MAX_RSS_QS 4 /* BE limit is 4 queues/port */
ac6a0c4a SP	87	#define MAX_RX_QS (MAX_RSS_QS + 1) /* RSS qs + 1 def Rx */
ac6a0c4a SP	88	#define BE_MAX_MSIX_VECTORS (MAX_RX_QS + 1)/* RX + TX */
6b7c5b94 SP	89	#define BE_NAPI_WEIGHT 64
	90	#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
	91	#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
	92
8788fdc2 SP	93	#define FW_VER_LEN 32
8788fdc2 SP	94
6b7c5b94 SP	95	struct be_dma_mem {
	96	void *va;
	97	dma_addr_t dma;
	98	u32 size;
	99	};
	100
	101	struct be_queue_info {
	102	struct be_dma_mem dma_mem;
	103	u16 len;
	104	u16 entry_size; /* Size of an element in the queue */
	105	u16 id;
	106	u16 tail, head;
	107	bool created;
	108	atomic_t used; /* Number of valid elements in the queue */
	109	};
	110
5fb379ee SP	111	static inline u32 MODULO(u16 val, u16 limit)
	112	{
	113	BUG_ON(limit & (limit - 1));
	114	return val & (limit - 1);
	115	}
	116
	117	static inline void index_adv(u16 *index, u16 val, u16 limit)
	118	{
	119	index = MODULO((index + val), limit);
	120	}
	121
	122	static inline void index_inc(u16 *index, u16 limit)
	123	{
	124	index = MODULO((index + 1), limit);
	125	}
	126
	127	static inline void queue_head_node(struct be_queue_info q)
	128	{
	129	return q->dma_mem.va + q->head * q->entry_size;
	130	}
	131
	132	static inline void queue_tail_node(struct be_queue_info q)
	133	{
	134	return q->dma_mem.va + q->tail * q->entry_size;
	135	}
	136
	137	static inline void queue_head_inc(struct be_queue_info *q)
	138	{
	139	index_inc(&q->head, q->len);
	140	}
	141
	142	static inline void queue_tail_inc(struct be_queue_info *q)
	143	{
	144	index_inc(&q->tail, q->len);
	145	}
	146
5fb379ee SP	147	struct be_eq_obj {
	148	struct be_queue_info q;
	149	char desc[32];
	150
	151	/* Adaptive interrupt coalescing (AIC) info */
	152	bool enable_aic;
	153	u16 min_eqd; /* in usecs */
	154	u16 max_eqd; /* in usecs */
	155	u16 cur_eqd; /* in usecs */
ecd62107	156	u8 eq_idx;
5fb379ee SP	157
	158	struct napi_struct napi;
	159	};
	160
	161	struct be_mcc_obj {
	162	struct be_queue_info q;
	163	struct be_queue_info cq;
7a1e9b20	164	bool rearm_cq;
5fb379ee SP	165	};
5fb379ee SP	166
3abcdeda	167	struct be_tx_stats {
6b7c5b94 SP	168	u32 be_tx_reqs; /* number of TX requests initiated */
6b7c5b94 SP	169	u32 be_tx_stops; /* number of times TX Q was stopped */
6b7c5b94 SP	170	u32 be_tx_wrbs; /* number of tx WRBs used */
	171	u32 be_tx_events; /* number of tx completion events */
	172	u32 be_tx_compl; /* number of tx completion entries processed */
4097f663 SP	173	ulong be_tx_jiffies;
	174	u64 be_tx_bytes;
	175	u64 be_tx_bytes_prev;
91992e44	176	u64 be_tx_pkts;
6b7c5b94	177	u32 be_tx_rate;
6b7c5b94 SP	178	};
6b7c5b94 SP	179
6b7c5b94 SP	180	struct be_tx_obj {
	181	struct be_queue_info q;
	182	struct be_queue_info cq;
	183	/* Remember the skbs that were transmitted */
	184	struct sk_buff *sent_skb_list[TX_Q_LEN];
	185	};
	186
	187	/* Struct to remember the pages posted for rx frags */
	188	struct be_rx_page_info {
	189	struct page *page;
fac6da5b	190	DEFINE_DMA_UNMAP_ADDR(bus);
6b7c5b94 SP	191	u16 page_offset;
	192	bool last_page_user;
	193	};
	194
3abcdeda SP	195	struct be_rx_stats {
	196	u32 rx_post_fail;/* number of ethrx buffer alloc failures */
	197	u32 rx_polls; /* number of times NAPI called poll function */
	198	u32 rx_events; /* number of ucast rx completion events */
	199	u32 rx_compl; /* number of rx completion entries processed */
	200	ulong rx_jiffies;
	201	u64 rx_bytes;
	202	u64 rx_bytes_prev;
	203	u64 rx_pkts;
	204	u32 rx_rate;
	205	u32 rx_mcast_pkts;
	206	u32 rxcp_err; /* Num rx completion entries w/ err set. */
	207	ulong rx_fps_jiffies; /* jiffies at last FPS calc */
	208	u32 rx_frags;
	209	u32 prev_rx_frags;
	210	u32 rx_fps; /* Rx frags per second */
	211	};
	212
2e588f84 SP	213	struct be_rx_compl_info {
2e588f84 SP	214	u32 rss_hash;
6709d952	215	u16 vlan_tag;
2e588f84 SP	216	u16 pkt_size;
	217	u16 rxq_idx;
	218	u16 mac_id;
	219	u8 vlanf;
	220	u8 num_rcvd;
	221	u8 err;
	222	u8 ipf;
	223	u8 tcpf;
	224	u8 udpf;
	225	u8 ip_csum;
	226	u8 l4_csum;
	227	u8 ipv6;
	228	u8 vtm;
	229	u8 pkt_type;
	230	};
	231
6b7c5b94	232	struct be_rx_obj {
3abcdeda	233	struct be_adapter *adapter;
6b7c5b94 SP	234	struct be_queue_info q;
6b7c5b94 SP	235	struct be_queue_info cq;
2e588f84	236	struct be_rx_compl_info rxcp;
6b7c5b94	237	struct be_rx_page_info page_info_tbl[RX_Q_LEN];
3abcdeda SP	238	struct be_eq_obj rx_eq;
	239	struct be_rx_stats stats;
	240	u8 rss_id;
	241	bool rx_post_starved; /* Zero rx frags have been posted to BE */
e80d9da6	242	u32 cache_line_barrier[16];
6b7c5b94 SP	243	};
6b7c5b94 SP	244
609ff3bb AK	245	struct be_drv_stats {
	246	u8 be_on_die_temperature;
	247	};
	248
64600ea5 AK	249	struct be_vf_cfg {
	250	unsigned char vf_mac_addr[ETH_ALEN];
	251	u32 vf_if_handle;
	252	u32 vf_pmac_id;
1da87b7f	253	u16 vf_vlan_tag;
e1d18735	254	u32 vf_tx_rate;
64600ea5 AK	255	};
64600ea5 AK	256
9cd9000b	257	#define BE_INVALID_PMAC_ID 0xffffffff
609ff3bb	258
6b7c5b94 SP	259	struct be_adapter {
	260	struct pci_dev *pdev;
	261	struct net_device *netdev;
	262
8788fdc2 SP	263	u8 __iomem *csr;
	264	u8 __iomem db; / Door Bell */
	265	u8 __iomem pcicfg; / PCI config space */
8788fdc2	266
2984961c	267	struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
8788fdc2 SP	268	struct be_dma_mem mbox_mem;
	269	/* Mbox mem is adjusted to align to 16 bytes. The allocated addr
	270	* is stored for freeing purpose */
	271	struct be_dma_mem mbox_mem_alloced;
	272
	273	struct be_mcc_obj mcc_obj;
	274	spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */
	275	spinlock_t mcc_cq_lock;
6b7c5b94	276
3abcdeda	277	struct msix_entry msix_entries[BE_MAX_MSIX_VECTORS];
ac6a0c4a	278	u32 num_msix_vec;
6b7c5b94 SP	279	bool isr_registered;
	280
	281	/* TX Rings */
	282	struct be_eq_obj tx_eq;
	283	struct be_tx_obj tx_obj;
3abcdeda	284	struct be_tx_stats tx_stats;
6b7c5b94 SP	285
	286	u32 cache_line_break[8];
	287
	288	/* Rx rings */
ac6a0c4a	289	struct be_rx_obj rx_obj[MAX_RX_QS];
3abcdeda	290	u32 num_rx_qs;
6b7c5b94 SP	291	u32 big_page_size; /* Compounded page size shared by rx wrbs */
6b7c5b94 SP	292
ecd62107	293	u8 eq_next_idx;
609ff3bb	294	struct be_drv_stats drv_stats;
fe6d2a38	295
6b7c5b94	296	struct vlan_group *vlan_grp;
82903e4b AK	297	u16 vlans_added;
82903e4b AK	298	u16 max_vlans; /* Number of vlans supported */
b738127d	299	u8 vlan_tag[VLAN_N_VID];
cc4ce020 SK	300	u8 vlan_prio_bmap; /* Available Priority BitMap */
cc4ce020 SK	301	u16 recommended_prio; /* Recommended Priority */
e7b909a6	302	struct be_dma_mem mc_cmd_mem;
6b7c5b94	303
3abcdeda	304	struct be_dma_mem stats_cmd;
6b7c5b94 SP	305	/* Work queue used to perform periodic tasks like getting statistics */
6b7c5b94 SP	306	struct delayed_work work;
609ff3bb	307	u16 work_counter;
6b7c5b94 SP	308
6b7c5b94 SP	309	/* Ethtool knobs and info */
6b7c5b94 SP	310	char fw_ver[FW_VER_LEN];
	311	u32 if_handle; /* Used to configure filtering */
	312	u32 pmac_id; /* MAC addr handle used by BE card */
1a642469	313	u32 beacon_state; /* for set_phys_id */
6b7c5b94	314
cf588477	315	bool eeh_err;
a8f447bd	316	bool link_up;
6b7c5b94	317	u32 port_num;
24307eef	318	bool promiscuous;
71d8d1b5	319	bool wol;
3486be29	320	u32 function_mode;
3abcdeda	321	u32 function_caps;
9e90c961 AK	322	u32 rx_fc; /* Rx flow control */
9e90c961 AK	323	u32 tx_fc; /* Tx flow control */
7c185276	324	bool ue_detected;
b2aebe6d	325	bool stats_cmd_sent;
0dffc83e AK	326	int link_speed;
0dffc83e AK	327	u8 port_type;
16c02145	328	u8 transceiver;
ee3cb629	329	u8 autoneg;
7b139c83	330	u8 generation; /* BladeEngine ASIC generation */
dd131e76 SB	331	u32 flash_status;
dd131e76 SB	332	struct completion flash_compl;
ba343c77	333
2e588f84	334	bool be3_native;
ba343c77	335	bool sriov_enabled;
48f5a191	336	struct be_vf_cfg *vf_cfg;
344dbf10	337	u8 is_virtfn;
fe6d2a38	338	u32 sli_family;
9e1453c5	339	u8 hba_port_num;
3968fa1e	340	u16 pvid;
6b7c5b94 SP	341	};
6b7c5b94 SP	342
344dbf10	343	#define be_physfn(adapter) (!adapter->is_virtfn)
ba343c77	344
7b139c83 AK	345	/* BladeEngine Generation numbers */
	346	#define BE_GEN2 2
	347	#define BE_GEN3 3
	348
fe6d2a38 SP	349	#define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3)
fe6d2a38 SP	350
0fc0b732	351	extern const struct ethtool_ops be_ethtool_ops;
6b7c5b94	352
ac6a0c4a	353	#define msix_enabled(adapter) (adapter->num_msix_vec > 0)
3abcdeda SP	354	#define tx_stats(adapter) (&adapter->tx_stats)
3abcdeda SP	355	#define rx_stats(rxo) (&rxo->stats)
6b7c5b94 SP	356
	357	#define BE_SET_NETDEV_OPS(netdev, ops) (netdev->netdev_ops = ops)
	358
3abcdeda SP	359	#define for_all_rx_queues(adapter, rxo, i) \
	360	for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
	361	i++, rxo++)
	362
	363	/* Just skip the first default non-rss queue */
	364	#define for_all_rss_queues(adapter, rxo, i) \
	365	for (i = 0, rxo = &adapter->rx_obj[i+1]; i < (adapter->num_rx_qs - 1);\
	366	i++, rxo++)
	367
6b7c5b94 SP	368	#define PAGE_SHIFT_4K 12
	369	#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
	370
	371	/* Returns number of pages spanned by the data starting at the given addr */
	372	#define PAGES_4K_SPANNED(_address, size) \
	373	((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
	374	(size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
	375
	376	/* Byte offset into the page corresponding to given address */
	377	#define OFFSET_IN_PAGE(addr) \
	378	((size_t)(addr) & (PAGE_SIZE_4K-1))
	379
	380	/* Returns bit offset within a DWORD of a bitfield */
	381	#define AMAP_BIT_OFFSET(_struct, field) \
	382	(((size_t)&(((_struct *)0)->field))%32)
	383
	384	/* Returns the bit mask of the field that is NOT shifted into location. */
	385	static inline u32 amap_mask(u32 bitsize)
	386	{
	387	return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
	388	}
	389
	390	static inline void
	391	amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
	392	{
	393	u32 dw = (u32 ) ptr + dw_offset;
	394	*dw &= ~(mask << offset);
	395	*dw \|= (mask & value) << offset;
	396	}
	397
	398	#define AMAP_SET_BITS(_struct, field, ptr, val) \
	399	amap_set(ptr, \
	400	offsetof(_struct, field)/32, \
	401	amap_mask(sizeof(((_struct *)0)->field)), \
	402	AMAP_BIT_OFFSET(_struct, field), \
	403	val)
	404
	405	static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
	406	{
	407	u32 dw = (u32 ) ptr;
	408	return mask & (*(dw + dw_offset) >> offset);
	409	}
	410
	411	#define AMAP_GET_BITS(_struct, field, ptr) \
	412	amap_get(ptr, \
	413	offsetof(_struct, field)/32, \
	414	amap_mask(sizeof(((_struct *)0)->field)), \
	415	AMAP_BIT_OFFSET(_struct, field))
	416
	417	#define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
	418	#define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
	419	static inline void swap_dws(void *wrb, int len)
	420	{
	421	#ifdef __BIG_ENDIAN
	422	u32 *dw = wrb;
	423	BUG_ON(len % 4);
	424	do {
	425	dw = cpu_to_le32(dw);
	426	dw++;
	427	len -= 4;
	428	} while (len);
	429	#endif /* __BIG_ENDIAN */
	430	}
	431
432	static inline u8 is_tcp_pkt(struct sk_buff *skb)
433	{
434	u8 val = 0;
435
436	if (ip_hdr(skb)->version == 4)
437	val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
438	else if (ip_hdr(skb)->version == 6)
439	val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
440
441	return val;
442	}
443
444	static inline u8 is_udp_pkt(struct sk_buff *skb)
445	{
446	u8 val = 0;
447
448	if (ip_hdr(skb)->version == 4)
449	val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
450	else if (ip_hdr(skb)->version == 6)
451	val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
452
453	return val;
454	}
455
344dbf10 SB	456	static inline void be_check_sriov_fn_type(struct be_adapter *adapter)
344dbf10 SB	457	{
fe6d2a38 SP	458	u32 sli_intf;
fe6d2a38 SP	459
b0060586 AK	460	pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf);
b0060586 AK	461	adapter->is_virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0;
344dbf10 SB	462	}
344dbf10 SB	463
6d87f5c3 AK	464	static inline void be_vf_eth_addr_generate(struct be_adapter adapter, u8 mac)
	465	{
	466	u32 addr;
	467
	468	addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0);
	469
	470	mac[5] = (u8)(addr & 0xFF);
	471	mac[4] = (u8)((addr >> 8) & 0xFF);
	472	mac[3] = (u8)((addr >> 16) & 0xFF);
7a2414a5 AK	473	/* Use the OUI from the current MAC address */
7a2414a5 AK	474	memcpy(mac, adapter->netdev->dev_addr, 3);
6d87f5c3 AK	475	}
6d87f5c3 AK	476
4b972914 AK	477	static inline bool be_multi_rxq(const struct be_adapter *adapter)
	478	{
	479	return adapter->num_rx_qs > 1;
	480	}
	481
8788fdc2	482	extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
5fb379ee	483	u16 num_popped);
8788fdc2	484	extern void be_link_status_update(struct be_adapter *adapter, bool link_up);
b31c50a7	485	extern void netdev_stats_update(struct be_adapter *adapter);
84517482	486	extern int be_load_fw(struct be_adapter adapter, u8 func);
6b7c5b94	487	#endif /* BE_H */