path: root/drivers/net/s2io.h

/************************************************************************
 * s2io.h: A Linux PCI-X Ethernet driver for Neterion 10GbE Server NIC
 * Copyright(c) 2002-2007 Neterion Inc.

 * 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.
 ************************************************************************/
#ifndef _S2IO_H
#define _S2IO_H

#define TBD 0
#define BIT(loc)		(0x8000000000000000ULL >> (loc))
#define vBIT(val, loc, sz)	(((u64)val) << (64-loc-sz))
#define INV(d)  ((d&0xff)<<24) | (((d>>8)&0xff)<<16) | (((d>>16)&0xff)<<8)| ((d>>24)&0xff)

#ifndef BOOL
#define BOOL    int
#endif

#ifndef TRUE
#define TRUE    1
#define FALSE   0
#endif

#undef SUCCESS
#define SUCCESS 0
#define FAILURE -1
#define S2IO_MINUS_ONE 0xFFFFFFFFFFFFFFFFULL
#define S2IO_MAX_PCI_CONFIG_SPACE_REINIT 100
#define S2IO_BIT_RESET 1
#define S2IO_BIT_SET 2
#define CHECKBIT(value, nbit) (value & (1 << nbit))

/* Maximum time to flicker LED when asked to identify NIC using ethtool */
#define MAX_FLICKER_TIME	60000 /* 60 Secs */

/* Maximum outstanding splits to be configured into xena. */
enum {
	XENA_ONE_SPLIT_TRANSACTION = 0,
	XENA_TWO_SPLIT_TRANSACTION = 1,
	XENA_THREE_SPLIT_TRANSACTION = 2,
	XENA_FOUR_SPLIT_TRANSACTION = 3,
	XENA_EIGHT_SPLIT_TRANSACTION = 4,
	XENA_TWELVE_SPLIT_TRANSACTION = 5,
	XENA_SIXTEEN_SPLIT_TRANSACTION = 6,
	XENA_THIRTYTWO_SPLIT_TRANSACTION = 7
};
#define XENA_MAX_OUTSTANDING_SPLITS(n) (n << 4)

/*  OS concerned variables and constants */
#define WATCH_DOG_TIMEOUT		15*HZ
#define EFILL				0x1234
#define ALIGN_SIZE			127
#define	PCIX_COMMAND_REGISTER		0x62

/*
 * Debug related variables.
 */
/* different debug levels. */
#define	ERR_DBG		0
#define	INIT_DBG	1
#define	INFO_DBG	2
#define	TX_DBG		3
#define	INTR_DBG	4

/* Global variable that defines the present debug level of the driver. */
static int debug_level = ERR_DBG;

/* DEBUG message print. */
#define DBG_PRINT(dbg_level, args...)  if(!(debug_level<dbg_level)) printk(args)

#ifndef DMA_ERROR_CODE
#define DMA_ERROR_CODE          (~(dma_addr_t)0x0)
#endif

/* Protocol assist features of the NIC */
#define L3_CKSUM_OK 0xFFFF
#define L4_CKSUM_OK 0xFFFF
#define S2IO_JUMBO_SIZE 9600

/* Driver statistics maintained by driver */
struct swStat {
	unsigned long long single_ecc_errs;
	unsigned long long double_ecc_errs;
	unsigned long long parity_err_cnt;
	unsigned long long serious_err_cnt;
	unsigned long long soft_reset_cnt;
	unsigned long long fifo_full_cnt;
	unsigned long long ring_full_cnt;
	/* LRO statistics */
	unsigned long long clubbed_frms_cnt;
	unsigned long long sending_both;
	unsigned long long outof_sequence_pkts;
	unsigned long long flush_max_pkts;
	unsigned long long sum_avg_pkts_aggregated;
	unsigned long long num_aggregations;
	/* Other statistics */
	unsigned long long mem_alloc_fail_cnt;
	unsigned long long pci_map_fail_cnt;
	unsigned long long watchdog_timer_cnt;
	unsigned long long mem_allocated;
	unsigned long long mem_freed;
	unsigned long long link_up_cnt;
	unsigned long long link_down_cnt;
	unsigned long long link_up_time;
	unsigned long long link_down_time;

	/* Transfer Code statistics */
	unsigned long long tx_buf_abort_cnt;
	unsigned long long tx_desc_abort_cnt;
	unsigned long long tx_parity_err_cnt;
	unsigned long long tx_link_loss_cnt;
	unsigned long long tx_list_proc_err_cnt;

	unsigned long long rx_parity_err_cnt;
	unsigned long long rx_abort_cnt;
	unsigned long long rx_parity_abort_cnt;
	unsigned long long rx_rda_fail_cnt;
	unsigned long long rx_unkn_prot_cnt;
	unsigned long long rx_fcs_err_cnt;
	unsigned long long rx_buf_size_err_cnt;
	unsigned long long rx_rxd_corrupt_cnt;
	unsigned long long rx_unkn_err_cnt;
};

/* Xpak releated alarm and warnings */
struct xpakStat {
	u64 alarm_transceiver_temp_high;
	u64 alarm_transceiver_temp_low;
	u64 alarm_laser_bias_current_high;
	u64 alarm_laser_bias_current_low;
	u64 alarm_laser_output_power_high;
	u64 alarm_laser_output_power_low;
	u64 warn_transceiver_temp_high;
	u64 warn_transceiver_temp_low;
	u64 warn_laser_bias_current_high;
	u64 warn_laser_bias_current_low;
	u64 warn_laser_output_power_high;
	u64 warn_laser_output_power_low;
	u64 xpak_regs_stat;
	u32 xpak_timer_count;
};


/* The statistics block of Xena */
struct stat_block {
/* Tx MAC statistics counters. */
	__le32 tmac_data_octets;
	__le32 tmac_frms;
	__le64 tmac_drop_frms;
	__le32 tmac_bcst_frms;
	__le32 tmac_mcst_frms;
	__le64 tmac_pause_ctrl_frms;
	__le32 tmac_ucst_frms;
	__le32 tmac_ttl_octets;
	__le32 tmac_any_err_frms;
	__le32 tmac_nucst_frms;
	__le64 tmac_ttl_less_fb_octets;
	__le64 tmac_vld_ip_octets;
	__le32 tmac_drop_ip;
	__le32 tmac_vld_ip;
	__le32 tmac_rst_tcp;
	__le32 tmac_icmp;
	__le64 tmac_tcp;
	__le32 reserved_0;
	__le32 tmac_udp;

/* Rx MAC Statistics counters. */
	__le32 rmac_data_octets;
	__le32 rmac_vld_frms;
	__le64 rmac_fcs_err_frms;
	__le64