[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / benet / be.h

/*
 * Copyright (C) 2005 - 2010 ServerEngines
 * 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@serverengines.com
 *
 * ServerEngines
 * 209 N. Fair Oaks Ave
 * Sunnyvale, CA 94085
 */

#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			"2.103.175u"
#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 		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 BE_MAX_MSIX_VECTORS	(MAX_RSS_QS + 1 + 1)/* RSS qs + 1 def 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

#define BE_MAX_VF		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  msix_vec_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_obj {
	struct be_adapter *adapter;
	struct be_queue_info q;
	struct be_queue_info cq;
	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 */
	u16 last_frag_index;
	u16 rsvd;
	u32 cache_line_barrier[15];
};

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];
	bool msix_enabled;
	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_RSS_QS + 1]; /* one default non-rss Q */
	u32 num_rx_qs;
	u32 big_page_size;	/* Compounded page size shared by rx wrbs */

	u8 msix_vec_next_idx;

	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;

	/* Ethtool knobs and info */
	bool rx_csum; 		/* BE card must perform rx-checksumming */
	char fw_ver[FW_VER_LEN];
	u32 if_handle;		/* Used to configure filtering */
	u32 pmac_id;		/* MAC addr handle used by BE card */

	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 sriov_enabled;
	struct be_vf_cfg vf_cfg[BE_MAX_VF];
	u8 is_virtfn;
	u32 sli_family;
};

#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 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)
{
	u8 data;
	u32 sli_intf;

	if (lancer_chip(adapter)) {
		pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET,
								&sli_intf);
		adapter->is_virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0;
	} else {
		pci_write_config_byte(adapter->pdev, 0xFE, 0xAA);
		pci_read_config_byte(adapter->pdev, 0xFE, &data);
		adapter->is_virtfn = (data != 0xAA);
	}
}

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);
}

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	/*
294aedcf	2	* Copyright (C) 2005 - 2010 ServerEngines
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:
	11	* linux-drivers@serverengines.com
	12	*
	13	* ServerEngines
	14	* 209 N. Fair Oaks Ave
	15	* Sunnyvale, CA 94085
	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
e2619843	36	#define DRV_VER "2.103.175u"
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 SP	69	/* Number of bytes of an RX frame that are copied to skb->data */
	70	#define BE_HDR_LEN 64
	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 SP	86	#define MAX_RSS_QS 4 /* BE limit is 4 queues/port */
3abcdeda SP	87	#define BE_MAX_MSIX_VECTORS (MAX_RSS_QS + 1 + 1)/* RSS qs + 1 def Rx + Tx */
6b7c5b94 SP	88	#define BE_NAPI_WEIGHT 64
	89	#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
	90	#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
	91
8788fdc2 SP	92	#define FW_VER_LEN 32
8788fdc2 SP	93
ba343c77 SB	94	#define BE_MAX_VF 32
ba343c77 SB	95
6b7c5b94 SP	96	struct be_dma_mem {
	97	void *va;
	98	dma_addr_t dma;
	99	u32 size;
	100	};
	101
	102	struct be_queue_info {
	103	struct be_dma_mem dma_mem;
	104	u16 len;
	105	u16 entry_size; /* Size of an element in the queue */
	106	u16 id;
	107	u16 tail, head;
	108	bool created;
	109	atomic_t used; /* Number of valid elements in the queue */
	110	};
	111
5fb379ee SP	112	static inline u32 MODULO(u16 val, u16 limit)
	113	{
	114	BUG_ON(limit & (limit - 1));
	115	return val & (limit - 1);
	116	}
	117
	118	static inline void index_adv(u16 *index, u16 val, u16 limit)
	119	{
	120	index = MODULO((index + val), limit);
	121	}
	122
	123	static inline void index_inc(u16 *index, u16 limit)
	124	{
	125	index = MODULO((index + 1), limit);
	126	}
	127
	128	static inline void queue_head_node(struct be_queue_info q)
	129	{
	130	return q->dma_mem.va + q->head * q->entry_size;
	131	}
	132
	133	static inline void queue_tail_node(struct be_queue_info q)
	134	{
	135	return q->dma_mem.va + q->tail * q->entry_size;
	136	}
	137
	138	static inline void queue_head_inc(struct be_queue_info *q)
	139	{
	140	index_inc(&q->head, q->len);
	141	}
	142
	143	static inline void queue_tail_inc(struct be_queue_info *q)
	144	{
	145	index_inc(&q->tail, q->len);
	146	}
	147
5fb379ee SP	148	struct be_eq_obj {
	149	struct be_queue_info q;
	150	char desc[32];
	151
	152	/* Adaptive interrupt coalescing (AIC) info */
	153	bool enable_aic;
	154	u16 min_eqd; /* in usecs */
	155	u16 max_eqd; /* in usecs */
	156	u16 cur_eqd; /* in usecs */
fe6d2a38	157	u8 msix_vec_idx;
5fb379ee SP	158
	159	struct napi_struct napi;
	160	};
	161
	162	struct be_mcc_obj {
	163	struct be_queue_info q;
	164	struct be_queue_info cq;
7a1e9b20	165	bool rearm_cq;
5fb379ee SP	166	};
5fb379ee SP	167
3abcdeda	168	struct be_tx_stats {
6b7c5b94 SP	169	u32 be_tx_reqs; /* number of TX requests initiated */
6b7c5b94 SP	170	u32 be_tx_stops; /* number of times TX Q was stopped */
6b7c5b94 SP	171	u32 be_tx_wrbs; /* number of tx WRBs used */
	172	u32 be_tx_events; /* number of tx completion events */
	173	u32 be_tx_compl; /* number of tx completion entries processed */
4097f663 SP	174	ulong be_tx_jiffies;
	175	u64 be_tx_bytes;
	176	u64 be_tx_bytes_prev;
91992e44	177	u64 be_tx_pkts;
6b7c5b94	178	u32 be_tx_rate;
6b7c5b94 SP	179	};
6b7c5b94 SP	180
6b7c5b94 SP	181	struct be_tx_obj {
	182	struct be_queue_info q;
	183	struct be_queue_info cq;
	184	/* Remember the skbs that were transmitted */
	185	struct sk_buff *sent_skb_list[TX_Q_LEN];
	186	};
	187
	188	/* Struct to remember the pages posted for rx frags */
	189	struct be_rx_page_info {
	190	struct page *page;
fac6da5b	191	DEFINE_DMA_UNMAP_ADDR(bus);
6b7c5b94 SP	192	u16 page_offset;
	193	bool last_page_user;
	194	};
	195
3abcdeda SP	196	struct be_rx_stats {
	197	u32 rx_post_fail;/* number of ethrx buffer alloc failures */
	198	u32 rx_polls; /* number of times NAPI called poll function */
	199	u32 rx_events; /* number of ucast rx completion events */
	200	u32 rx_compl; /* number of rx completion entries processed */
	201	ulong rx_jiffies;
	202	u64 rx_bytes;
	203	u64 rx_bytes_prev;
	204	u64 rx_pkts;
	205	u32 rx_rate;
	206	u32 rx_mcast_pkts;
	207	u32 rxcp_err; /* Num rx completion entries w/ err set. */
	208	ulong rx_fps_jiffies; /* jiffies at last FPS calc */
	209	u32 rx_frags;
	210	u32 prev_rx_frags;
	211	u32 rx_fps; /* Rx frags per second */
	212	};
	213
6b7c5b94	214	struct be_rx_obj {
3abcdeda	215	struct be_adapter *adapter;
6b7c5b94 SP	216	struct be_queue_info q;
	217	struct be_queue_info cq;
	218	struct be_rx_page_info page_info_tbl[RX_Q_LEN];
3abcdeda SP	219	struct be_eq_obj rx_eq;
	220	struct be_rx_stats stats;
	221	u8 rss_id;
	222	bool rx_post_starved; /* Zero rx frags have been posted to BE */
64642811 SP	223	u16 last_frag_index;
	224	u16 rsvd;
	225	u32 cache_line_barrier[15];
6b7c5b94 SP	226	};
6b7c5b94 SP	227
64600ea5 AK	228	struct be_vf_cfg {
	229	unsigned char vf_mac_addr[ETH_ALEN];
	230	u32 vf_if_handle;
	231	u32 vf_pmac_id;
1da87b7f	232	u16 vf_vlan_tag;
e1d18735	233	u32 vf_tx_rate;
64600ea5 AK	234	};
64600ea5 AK	235
9cd9000b	236	#define BE_INVALID_PMAC_ID 0xffffffff
6b7c5b94 SP	237	struct be_adapter {
	238	struct pci_dev *pdev;
	239	struct net_device *netdev;
	240
8788fdc2 SP	241	u8 __iomem *csr;
	242	u8 __iomem db; / Door Bell */
	243	u8 __iomem pcicfg; / PCI config space */
8788fdc2	244
2984961c	245	struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
8788fdc2 SP	246	struct be_dma_mem mbox_mem;
	247	/* Mbox mem is adjusted to align to 16 bytes. The allocated addr
	248	* is stored for freeing purpose */
	249	struct be_dma_mem mbox_mem_alloced;
	250
	251	struct be_mcc_obj mcc_obj;
	252	spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */
	253	spinlock_t mcc_cq_lock;
6b7c5b94	254
3abcdeda	255	struct msix_entry msix_entries[BE_MAX_MSIX_VECTORS];
6b7c5b94 SP	256	bool msix_enabled;
	257	bool isr_registered;
	258
	259	/* TX Rings */
	260	struct be_eq_obj tx_eq;
	261	struct be_tx_obj tx_obj;
3abcdeda	262	struct be_tx_stats tx_stats;
6b7c5b94 SP	263
	264	u32 cache_line_break[8];
	265
	266	/* Rx rings */
3abcdeda SP	267	struct be_rx_obj rx_obj[MAX_RSS_QS + 1]; /* one default non-rss Q */
3abcdeda SP	268	u32 num_rx_qs;
6b7c5b94 SP	269	u32 big_page_size; /* Compounded page size shared by rx wrbs */
6b7c5b94 SP	270
fe6d2a38 SP	271	u8 msix_vec_next_idx;
fe6d2a38 SP	272
6b7c5b94	273	struct vlan_group *vlan_grp;
82903e4b AK	274	u16 vlans_added;
82903e4b AK	275	u16 max_vlans; /* Number of vlans supported */
b738127d	276	u8 vlan_tag[VLAN_N_VID];
cc4ce020 SK	277	u8 vlan_prio_bmap; /* Available Priority BitMap */
cc4ce020 SK	278	u16 recommended_prio; /* Recommended Priority */
e7b909a6	279	struct be_dma_mem mc_cmd_mem;
6b7c5b94	280
3abcdeda	281	struct be_dma_mem stats_cmd;
6b7c5b94 SP	282	/* Work queue used to perform periodic tasks like getting statistics */
	283	struct delayed_work work;
	284
	285	/* Ethtool knobs and info */
	286	bool rx_csum; /* BE card must perform rx-checksumming */
6b7c5b94 SP	287	char fw_ver[FW_VER_LEN];
	288	u32 if_handle; /* Used to configure filtering */
	289	u32 pmac_id; /* MAC addr handle used by BE card */
	290
cf588477	291	bool eeh_err;
a8f447bd	292	bool link_up;
6b7c5b94	293	u32 port_num;
24307eef	294	bool promiscuous;
71d8d1b5	295	bool wol;
3486be29	296	u32 function_mode;
3abcdeda	297	u32 function_caps;
9e90c961 AK	298	u32 rx_fc; /* Rx flow control */
9e90c961 AK	299	u32 tx_fc; /* Tx flow control */
7c185276	300	bool ue_detected;
b2aebe6d	301	bool stats_cmd_sent;
0dffc83e AK	302	int link_speed;
0dffc83e AK	303	u8 port_type;
16c02145	304	u8 transceiver;
ee3cb629	305	u8 autoneg;
7b139c83	306	u8 generation; /* BladeEngine ASIC generation */
dd131e76 SB	307	u32 flash_status;
dd131e76 SB	308	struct completion flash_compl;
ba343c77 SB	309
ba343c77 SB	310	bool sriov_enabled;
64600ea5	311	struct be_vf_cfg vf_cfg[BE_MAX_VF];
344dbf10	312	u8 is_virtfn;
fe6d2a38	313	u32 sli_family;
6b7c5b94 SP	314	};
6b7c5b94 SP	315
344dbf10	316	#define be_physfn(adapter) (!adapter->is_virtfn)
ba343c77	317
7b139c83 AK	318	/* BladeEngine Generation numbers */
	319	#define BE_GEN2 2
	320	#define BE_GEN3 3
	321
fe6d2a38 SP	322	#define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3)
fe6d2a38 SP	323
0fc0b732	324	extern const struct ethtool_ops be_ethtool_ops;
6b7c5b94	325
3abcdeda SP	326	#define tx_stats(adapter) (&adapter->tx_stats)
3abcdeda SP	327	#define rx_stats(rxo) (&rxo->stats)
6b7c5b94 SP	328
	329	#define BE_SET_NETDEV_OPS(netdev, ops) (netdev->netdev_ops = ops)
	330
3abcdeda SP	331	#define for_all_rx_queues(adapter, rxo, i) \
	332	for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
	333	i++, rxo++)
	334
	335	/* Just skip the first default non-rss queue */
	336	#define for_all_rss_queues(adapter, rxo, i) \
	337	for (i = 0, rxo = &adapter->rx_obj[i+1]; i < (adapter->num_rx_qs - 1);\
	338	i++, rxo++)
	339
6b7c5b94 SP	340	#define PAGE_SHIFT_4K 12
	341	#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
	342
	343	/* Returns number of pages spanned by the data starting at the given addr */
	344	#define PAGES_4K_SPANNED(_address, size) \
	345	((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
	346	(size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
	347
	348	/* Byte offset into the page corresponding to given address */
	349	#define OFFSET_IN_PAGE(addr) \
	350	((size_t)(addr) & (PAGE_SIZE_4K-1))
	351
	352	/* Returns bit offset within a DWORD of a bitfield */
	353	#define AMAP_BIT_OFFSET(_struct, field) \
	354	(((size_t)&(((_struct *)0)->field))%32)
	355
	356	/* Returns the bit mask of the field that is NOT shifted into location. */
	357	static inline u32 amap_mask(u32 bitsize)
	358	{
	359	return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
	360	}
	361
	362	static inline void
	363	amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
	364	{
	365	u32 dw = (u32 ) ptr + dw_offset;
	366	*dw &= ~(mask << offset);
	367	*dw \|= (mask & value) << offset;
	368	}
	369
	370	#define AMAP_SET_BITS(_struct, field, ptr, val) \
	371	amap_set(ptr, \
	372	offsetof(_struct, field)/32, \
	373	amap_mask(sizeof(((_struct *)0)->field)), \
	374	AMAP_BIT_OFFSET(_struct, field), \
	375	val)
	376
	377	static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
	378	{
	379	u32 dw = (u32 ) ptr;
	380	return mask & (*(dw + dw_offset) >> offset);
	381	}
	382
	383	#define AMAP_GET_BITS(_struct, field, ptr) \
	384	amap_get(ptr, \
	385	offsetof(_struct, field)/32, \
	386	amap_mask(sizeof(((_struct *)0)->field)), \
	387	AMAP_BIT_OFFSET(_struct, field))
	388
	389	#define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
	390	#define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
	391	static inline void swap_dws(void *wrb, int len)
	392	{
	393	#ifdef __BIG_ENDIAN
	394	u32 *dw = wrb;
	395	BUG_ON(len % 4);
	396	do {
	397	dw = cpu_to_le32(dw);
	398	dw++;
	399	len -= 4;
	400	} while (len);
	401	#endif /* __BIG_ENDIAN */
	402	}
	403
404	static inline u8 is_tcp_pkt(struct sk_buff *skb)
405	{
406	u8 val = 0;
407
408	if (ip_hdr(skb)->version == 4)
409	val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
410	else if (ip_hdr(skb)->version == 6)
411	val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
412
413	return val;
414	}
415
416	static inline u8 is_udp_pkt(struct sk_buff *skb)
417	{
418	u8 val = 0;
419
420	if (ip_hdr(skb)->version == 4)
421	val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
422	else if (ip_hdr(skb)->version == 6)
423	val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
424
425	return val;
426	}
427
344dbf10 SB	428	static inline void be_check_sriov_fn_type(struct be_adapter *adapter)
	429	{
	430	u8 data;
fe6d2a38 SP	431	u32 sli_intf;
	432
	433	if (lancer_chip(adapter)) {
	434	pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET,
	435	&sli_intf);
	436	adapter->is_virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0;
	437	} else {
	438	pci_write_config_byte(adapter->pdev, 0xFE, 0xAA);
	439	pci_read_config_byte(adapter->pdev, 0xFE, &data);
	440	adapter->is_virtfn = (data != 0xAA);
	441	}
344dbf10 SB	442	}
344dbf10 SB	443
6d87f5c3 AK	444	static inline void be_vf_eth_addr_generate(struct be_adapter adapter, u8 mac)
	445	{
	446	u32 addr;
	447
	448	addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0);
	449
	450	mac[5] = (u8)(addr & 0xFF);
	451	mac[4] = (u8)((addr >> 8) & 0xFF);
	452	mac[3] = (u8)((addr >> 16) & 0xFF);
7a2414a5 AK	453	/* Use the OUI from the current MAC address */
7a2414a5 AK	454	memcpy(mac, adapter->netdev->dev_addr, 3);
6d87f5c3 AK	455	}
6d87f5c3 AK	456
8788fdc2	457	extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
5fb379ee	458	u16 num_popped);
8788fdc2	459	extern void be_link_status_update(struct be_adapter *adapter, bool link_up);
b31c50a7	460	extern void netdev_stats_update(struct be_adapter *adapter);
84517482	461	extern int be_load_fw(struct be_adapter adapter, u8 func);
6b7c5b94	462	#endif /* BE_H */