netxen_nic.h

#define LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN	7
#define LINKEVENT_MODULE_TWINAX				8

#define LINKSPEED_10GBPS	10000
#define LINKSPEED_1GBPS		1000
#define LINKSPEED_100MBPS	100
#define LINKSPEED_10MBPS	10

#define LINKSPEED_ENCODED_10MBPS	0
#define LINKSPEED_ENCODED_100MBPS	1
#define LINKSPEED_ENCODED_1GBPS		2

#define LINKEVENT_AUTONEG_DISABLED	0
#define LINKEVENT_AUTONEG_ENABLED	1

#define LINKEVENT_HALF_DUPLEX		0
#define LINKEVENT_FULL_DUPLEX		1

#define LINKEVENT_LINKSPEED_MBPS	0
#define LINKEVENT_LINKSPEED_ENCODED	1

/* firmware response header:
 *	63:58 - message type
 *	57:56 - owner
 *	55:53 - desc count
 *	52:48 - reserved
 *	47:40 - completion id
 *	39:32 - opcode
 *	31:16 - error code
 *	15:00 - reserved
 */
#define netxen_get_nic_msgtype(msg_hdr)	\
	((msg_hdr >> 58) & 0x3F)
#define netxen_get_nic_msg_compid(msg_hdr)	\
	((msg_hdr >> 40) & 0xFF)
#define netxen_get_nic_msg_opcode(msg_hdr)	\
	((msg_hdr >> 32) & 0xFF)
#define netxen_get_nic_msg_errcode(msg_hdr)	\
	((msg_hdr >> 16) & 0xFFFF)

typedef struct {
	union {
		struct {
			u64 hdr;
			u64 body[7];
		};
		u64 words[8];
	};
} nx_fw_msg_t;

typedef struct {
	__le64 qhdr;
	__le64 req_hdr;
	__le64 words[6];
} nx_nic_req_t;

typedef struct {
	u8 op;
	u8 tag;
	u8 mac_addr[6];
} nx_mac_req_t;

#define MAX_PENDING_DESC_BLOCK_SIZE	64

#define NETXEN_NIC_MSI_ENABLED		0x02
#define NETXEN_NIC_MSIX_ENABLED		0x04
#define NETXEN_IS_MSI_FAMILY(adapter) \
	((adapter)->flags & (NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED))

#define MSIX_ENTRIES_PER_ADAPTER	NUM_STS_DESC_RINGS
#define NETXEN_MSIX_TBL_SPACE		8192
#define NETXEN_PCI_REG_MSIX_TBL		0x44

#define NETXEN_DB_MAPSIZE_BYTES    	0x1000

#define NETXEN_NETDEV_WEIGHT 128
#define NETXEN_ADAPTER_UP_MAGIC 777
#define NETXEN_NIC_PEG_TUNE 0

struct netxen_dummy_dma {
	void *addr;
	dma_addr_t phys_addr;
};

struct netxen_adapter {
	struct netxen_hardware_context ahw;

	struct net_device *netdev;
	struct pci_dev *pdev;
	struct list_head mac_list;

	u32 curr_window;
	u32 crb_win;
	rwlock_t adapter_lock;

	spinlock_t tx_clean_lock;

	u16 num_txd;
	u16 num_rxd;
	u16 num_jumbo_rxd;
	u16 num_lro_rxd;

	u8 max_rds_rings;
	u8 max_sds_rings;
	u8 driver_mismatch;
	u8 msix_supported;
	u8 rx_csum;
	u8 pci_using_dac;
	u8 portnum;
	u8 physical_port;

	u8 mc_enabled;
	u8 max_mc_count;
	u8 rss_supported;
	u8 link_changed;
	u32 resv3;

	u8 has_link_events;
	u8 fw_type;
	u16 tx_context_id;
	u16 mtu;
	u16 is_up;

	u16 link_speed;
	u16 link_duplex;
	u16 link_autoneg;
	u16 module_type;

	u32 capabilities;
	u32 flags;
	u32 irq;
	u32 temp;

	u32 msi_tgt_status;
	u32 resv4;

	struct netxen_adapter_stats stats;

	struct netxen_recv_context recv_ctx;
	struct nx_host_tx_ring *tx_ring;

	int (*enable_phy_interrupts) (struct netxen_adapter *);
	int (*disable_phy_interrupts) (struct netxen_adapter *);
	int (*macaddr_set) (struct netxen_adapter *, u8 *);
	int (*set_mtu) (struct netxen_adapter *, int);
	int (*set_promisc) (struct netxen_adapter *, u32);
	void (*set_multi) (struct net_device *);
	int (*phy_read) (struct netxen_adapter *, long reg, u32 *);
	int (*phy_write) (struct netxen_adapter *, long reg, u32 val);
	int (*init_port) (struct netxen_adapter *, int);
	int (*stop_port) (struct netxen_adapter *);

	u32 (*hw_read_wx)(struct netxen_adapter *, ulong);
	int (*hw_write_wx)(struct netxen_adapter *, ulong, u32);
	int (*pci_mem_read)(struct netxen_adapter *, u64, void *, int);
	int (*pci_mem_write)(struct netxen_adapter *, u64, void *, int);
	int (*pci_write_immediate)(struct netxen_adapter *, u64, u32);
	u32 (*pci_read_immediate)(struct netxen_adapter *, u64);
	unsigned long (*pci_set_window)(struct netxen_adapter *,
			unsigned long long);

	struct netxen_legacy_intr_set legacy_intr;

	struct msix_entry msix_entries[MSIX_ENTRIES_PER_ADAPTER];

	struct netxen_dummy_dma dummy_dma;

	struct work_struct watchdog_task;
	struct timer_list watchdog_timer;
	struct work_struct  tx_timeout_task;

	struct net_device_stats net_stats;

	nx_nic_intr_coalesce_t coal;

	u32 resv5;
	u32 fw_version;
	const struct firmware *fw;
};

int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter);
int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter);
int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter);
int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter);
int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
			    __u32 * readval);
int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter,
			     long reg, __u32 val);

/* Functions available from netxen_nic_hw.c */
int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu);
int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu);

int netxen_p2_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr);
int netxen_p3_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr);

#define NXRD32(adapter, off) \
	(adapter->hw_read_wx(adapter, off))
#define NXWR32(adapter, off, val) \
	(adapter->hw_write_wx(adapter, off, val))

int netxen_nic_get_board_info(struct netxen_adapter *adapter);
void netxen_nic_get_firmware_info(struct netxen_adapter *adapter);
int netxen_nic_wol_supported(struct netxen_adapter *adapter);

u32 netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off);
int netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter,
		ulong off, u32 data);
int netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
		u64 off, void *data, int size);
int netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
		u64 off, void *data, int size);
int netxen_nic_pci_write_immediate_128M(struct netxen_adapter *adapter,
		u64 off, u32 data);
u32 netxen_nic_pci_read_immediate_128M(struct netxen_adapter *adapter, u64 off);
void netxen_nic_pci_write_normalize_128M(struct netxen_adapter *adapter,
		u64 off, u32 data);
u32 netxen_nic_pci_read_normalize_128M(struct netxen_adapter *adapter, u64 off);
unsigned long netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
		unsigned long long addr);
void netxen_nic_pci_change_crbwindow_128M(struct netxen_adapter *adapter,
		u32 wndw);

u32 netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off);
int netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter,
		ulong off, u32 data);
int netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
		u64 off, void *data, int size);
int netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
		u64 off, void *data, int size);
int netxen_nic_pci_write_immediate_2M(struct netxen_adapter *adapter,
		u64 off, u32 data);
u32 netxen_nic_pci_read_immediate_2M(struct netxen_adapter *adapter, u64 off);
void netxen_nic_pci_write_normalize_2M(struct netxen_adapter *adapter,
		u64 off, u32 data);
u32 netxen_nic_pci_read_normalize_2M(struct netxen_adapter *adapter, u64 off);
unsigned long netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
		unsigned long long addr);

/* Functions from netxen_nic_init.c */
int netxen_init_dummy_dma(struct netxen_adapter *adapter);
void netxen_free_dummy_dma(struct netxen_adapter *adapter);

int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
int netxen_load_firmware(struct netxen_adapter *adapter);
int netxen_need_fw_reset(struct netxen_adapter *adapter);
void netxen_request_firmware(struct netxen_adapter *adapter);
void netxen_release_firmware(struct netxen_adapter *adapter);
int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);

int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp);
int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
				u8 *bytes, size_t size);
int netxen_rom_fast_write_words(struct netxen_adapter *adapter, int addr,
				u8 *bytes, size_t size);
int netxen_flash_unlock(struct netxen_adapter *adapter);
int netxen_backup_crbinit(struct netxen_adapter *adapter);
int netxen_flash_erase_secondary(struct netxen_adapter *adapter);
int netxen_flash_erase_primary(struct netxen_adapter *adapter);
void netxen_halt_pegs(struct netxen_adapter *adapter);

int netxen_rom_se(struct netxen_adapter *adapter, int addr);

int netxen_alloc_sw_resources(struct netxen_adapter *adapter);
void netxen_free_sw_resources(struct netxen_adapter *adapter);

int netxen_alloc_hw_resources(struct netxen_adapter *adapter);
void netxen_free_hw_resources(struct netxen_adapter *adapter);

void netxen_release_rx_buffers(struct netxen_adapter *adapter);
void netxen_release_tx_buffers(struct netxen_adapter *adapter);

void netxen_initialize_adapter_ops(struct netxen_adapter *adapter);
int netxen_init_firmware(struct netxen_adapter *adapter);
void netxen_nic_clear_stats(struct netxen_adapter *adapter);
void netxen_watchdog_task(struct work_struct *work);
void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid,
		struct nx_host_rds_ring *rds_ring);
int netxen_process_cmd_ring(struct netxen_adapter *adapter);
int netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max);
void netxen_p2_nic_set_multi(struct net_device *netdev);
void netxen_p3_nic_set_multi(struct net_device *netdev);
void netxen_p3_free_mac_list(struct netxen_adapter *adapter);
int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32);
int netxen_config_intr_coalesce(struct netxen_adapter *adapter);
int netxen_config_rss(struct netxen_adapter *adapter, int enable);
int netxen_config_ipaddr(struct netxen_adapter *adapter, u32 ip, int cmd);
int netxen_linkevent_request(struct netxen_adapter *adapter, int enable);
void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup);

int nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, int mtu);
int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);

int netxen_nic_set_mac(struct net_device *netdev, void *p);
struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev);

void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
		struct nx_host_tx_ring *tx_ring);

/* Functions from netxen_nic_main.c */
int netxen_nic_reset_context(struct netxen_adapter *);

/*
 * NetXen Board information
 */

#define NETXEN_MAX_SHORT_NAME 32
struct netxen_brdinfo {
	int brdtype;	/* type of board */
	long ports;		/* max no of physical ports */
	char short_name[NETXEN_MAX_SHORT_NAME];
};

static const struct netxen_brdinfo netxen_boards[] = {
	{NETXEN_BRDTYPE_P2_SB31_10G_CX4, 1, "XGb CX4"},
	{NETXEN_BRDTYPE_P2_SB31_10G_HMEZ, 1, "XGb HMEZ"},
	{NETXEN_BRDTYPE_P2_SB31_10G_IMEZ, 2, "XGb IMEZ"},
	{NETXEN_BRDTYPE_P2_SB31_10G, 1, "XGb XFP"},
	{NETXEN_BRDTYPE_P2_SB35_4G, 4, "Quad Gb"},
	{NETXEN_BRDTYPE_P2_SB31_2G, 2, "Dual Gb"},
	{NETXEN_BRDTYPE_P3_REF_QG,  4, "Reference Quad Gig "},
	{NETXEN_BRDTYPE_P3_HMEZ,    2, "Dual XGb HMEZ"},
	{NETXEN_BRDTYPE_P3_10G_CX4_LP,   2, "Dual XGb CX4 LP"},
	{NETXEN_BRDTYPE_P3_4_GB,    4, "Quad Gig LP"},
	{NETXEN_BRDTYPE_P3_IMEZ,    2, "Dual XGb IMEZ"},
	{NETXEN_BRDTYPE_P3_10G_SFP_PLUS, 2, "Dual XGb SFP+ LP"},
	{NETXEN_BRDTYPE_P3_10000_BASE_T, 1, "XGB 10G BaseT LP"},
	{NETXEN_BRDTYPE_P3_XG_LOM,  2, "Dual XGb LOM"},
	{NETXEN_BRDTYPE_P3_4_GB_MM, 4, "NX3031 Gigabit Ethernet"},
	{NETXEN_BRDTYPE_P3_10G_SFP_CT, 2, "NX3031 10 Gigabit Ethernet"},
	{NETXEN_BRDTYPE_P3_10G_SFP_QT, 2, "Quanta Dual XGb SFP+"},
	{NETXEN_BRDTYPE_P3_10G_CX4, 2, "Reference Dual CX4 Option"},
	{NETXEN_BRDTYPE_P3_10G_XFP, 1, "Reference Single XFP Option"}
};

#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(netxen_boards)

static inline void get_brd_name_by_type(u32 type, char *name)
{
	int i, found = 0;
	for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
		if (netxen_boards[i].brdtype == type) {
			strcpy(name, netxen_boards[i].short_name);
			found = 1;
			break;
		}

	}
	if (!found)
		name = "Unknown";
}

static inline u32 netxen_tx_avail(struct nx_host_tx_ring *tx_ring)
{
	smp_mb();
	return find_diff_among(tx_ring->producer,
			tx_ring->sw_consumer, tx_ring->num_desc);

}

int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
extern void netxen_change_ringparam(struct netxen_adapter *adapter);
extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr,
				int *valp);

extern struct ethtool_ops netxen_nic_ethtool_ops;

#endif				/* __NETXEN_NIC_H_ */