s2io.h

linux 内核源代码

/************************************************************************
 * 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 s2BIT(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[8];
	/* 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;

	/* Error/alarm statistics*/
	unsigned long long tda_err_cnt;
	unsigned long long pfc_err_cnt;
	unsigned long long pcc_err_cnt;
	unsigned long long tti_err_cnt;
	unsigned long long lso_err_cnt;
	unsigned long long tpa_err_cnt;
	unsigned long long sm_err_cnt;
	unsigned long long mac_tmac_err_cnt;
	unsigned long long mac_rmac_err_cnt;
	unsigned long long xgxs_txgxs_err_cnt;
	unsigned long long xgxs_rxgxs_err_cnt;
	unsigned long long rc_err_cnt;
	unsigned long long prc_pcix_err_cnt;
	unsigned long long rpa_err_cnt;
	unsigned long long rda_err_cnt;
	unsigned long long rti_err_cnt;
	unsigned long long mc_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 rmac_drop_frms;
	__le32 rmac_vld_bcst_frms;
	__le32 rmac_vld_mcst_frms;
	__le32 rmac_out_rng_len_err_frms;
	__le32 rmac_in_rng_len_err_frms;
	__le64 rmac_long_frms;
	__le64 rmac_pause_ctrl_frms;
	__le64 rmac_unsup_ctrl_frms;
	__le32 rmac_accepted_ucst_frms;
	__le32 rmac_ttl_octets;
	__le32 rmac_discarded_frms;
	__le32 rmac_accepted_nucst_frms;
	__le32 reserved_1;
	__le32 rmac_drop_events;
	__le64 rmac_ttl_less_fb_octets;
	__le64 rmac_ttl_frms;
	__le64 reserved_2;
	__le32 rmac_usized_frms;
	__le32 reserved_3;
	__le32 rmac_frag_frms;
	__le32 rmac_osized_frms;
	__le32 reserved_4;
	__le32 rmac_jabber_frms;
	__le64 rmac_ttl_64_frms;
	__le64 rmac_ttl_65_127_frms;
	__le64 reserved_5;
	__le64 rmac_ttl_128_255_frms;
	__le64 rmac_ttl_256_511_frms;
	__le64 reserved_6;
	__le64 rmac_ttl_512_1023_frms;
	__le64 rmac_ttl_1024_1518_frms;
	__le32 rmac_ip;
	__le32 reserved_7;
	__le64 rmac_ip_octets;
	__le32 rmac_drop_ip;
	__le32 rmac_hdr_err_ip;
	__le32 reserved_8;
	__le32 rmac_icmp;
	__le64 rmac_tcp;
	__le32 rmac_err_drp_udp;
	__le32 rmac_udp;
	__le64 rmac_xgmii_err_sym;
	__le64 rmac_frms_q0;
	__le64 rmac_frms_q1;
	__le64 rmac_frms_q2;
	__le64 rmac_frms_q3;
	__le64 rmac_frms_q4;
	__le64 rmac_frms_q5;
	__le64 rmac_frms_q6;
	__le64 rmac_frms_q7;
	__le16 rmac_full_q3;
	__le16 rmac_full_q2;
	__le16 rmac_full_q1;
	__le16 rmac_full_q0;
	__le16 rmac_full_q7;
	__le16 rmac_full_q6;
	__le16 rmac_full_q5;
	__le16 rmac_full_q4;
	__le32 reserved_9;
	__le32 rmac_pause_cnt;
	__le64 rmac_xgmii_data_err_cnt;
	__le64 rmac_xgmii_ctrl_err_cnt;
	__le32 rmac_err_tcp;
	__le32 rmac_accepted_ip;

/* PCI/PCI-X Read transaction statistics. */
	__le32 new_rd_req_cnt;
	__le32 rd_req_cnt;
	__le32 rd_rtry_cnt;
	__le32 new_rd_req_rtry_cnt;

/* PCI/PCI-X Write/Read transaction statistics. */
	__le32 wr_req_cnt;
	__le32 wr_rtry_rd_ack_cnt;
	__le32 new_wr_req_rtry_cnt;
	__le32 new_wr_req_cnt;
	__le32 wr_disc_cnt;
	__le32 wr_rtry_cnt;

/*	PCI/PCI-X Write / DMA Transaction statistics. */
	__le32 txp_wr_cnt;
	__le32 rd_rtry_wr_ack_cnt;
	__le32 txd_wr_cnt;
	__le32 txd_rd_cnt;
	__le32 rxd_wr_cnt;
	__le32 rxd_rd_cnt;
	__le32 rxf_wr_cnt;
	__le32 txf_rd_cnt;

/* Tx MAC statistics overflow counters. */
	__le32 tmac_data_octets_oflow;
	__le32 tmac_frms_oflow;
	__le32 tmac_bcst_frms_oflow;
	__le32 tmac_mcst_frms_oflow;
	__le32 tmac_ucst_frms_oflow;
	__le32 tmac_ttl_octets_oflow;
	__le32 tmac_any_err_frms_oflow;
	__le32 tmac_nucst_frms_oflow;
	__le64 tmac_vlan_frms;
	__le32 tmac_drop_ip_oflow;
	__le32 tmac_vld_ip_oflow;
	__le32 tmac_rst_tcp_oflow;
	__le32 tmac_icmp_oflow;
	__le32 tpa_unknown_protocol;
	__le32 tmac_udp_oflow;
	__le32 reserved_10;
	__le32 tpa_parse_failure;

/* Rx MAC Statistics overflow counters. */
	__le32 rmac_data_octets_oflow;
	__le32 rmac_vld_frms_oflow;
	__le32 rmac_vld_bcst_frms_oflow;
	__le32 rmac_vld_mcst_frms_oflow;
	__le32 rmac_accepted_ucst_frms_oflow;
	__le32 rmac_ttl_octets_oflow;
	__le32 rmac_discarded_frms_oflow;
	__le32 rmac_accepted_nucst_frms_oflow;
	__le32 rmac_usized_frms_oflow;
	__le32 rmac_drop_events_oflow;
	__le32 rmac_frag_frms_oflow;
	__le32 rmac_osized_frms_oflow;
	__le32 rmac_ip_oflow;
	__le32 rmac_jabber_frms_oflow;
	__le32 rmac_icmp_oflow;
	__le32 rmac_drop_ip_oflow;
	__le32 rmac_err_drp_udp_oflow;
	__le32 rmac_udp_oflow;
	__le32 reserved_11;
	__le32 rmac_pause_cnt_oflow;
	__le64 rmac_ttl_1519_4095_frms;
	__le64 rmac_ttl_4096_8191_frms;
	__le64 rmac_ttl_8192_max_frms;
	__le64 rmac_ttl_gt_max_frms;
	__le64 rmac_osized_alt_frms;
	__le64 rmac_jabber_alt_frms;
	__le64 rmac_gt_max_alt_frms;
	__le64 rmac_vlan_frms;
	__le32 rmac_len_discard;
	__le32 rmac_fcs_discard;
	__le32 rmac_pf_discard;
	__le32 rmac_da_discard;
	__le32 rmac_red_discard;
	__le32 rmac_rts_discard;
	__le32 reserved_12;
	__le32 rmac_ingm_full_discard;
	__le32 reserved_13;
	__le32 rmac_accepted_ip_oflow;
	__le32 reserved_14;
	__le32 link_fault_cnt;
	u8  buffer[20];
	struct swStat sw_stat;
	struct xpakStat xpak_stat;
};

/* Default value for 'vlan_strip_tag' configuration parameter */
#define NO_STRIP_IN_PROMISC 2

/*
 * Structures representing different init time configuration
 * parameters of the NIC.
 */

#define MAX_TX_FIFOS 8
#define MAX_RX_RINGS 8

#define MAX_RX_DESC_1  (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 127 )
#define MAX_RX_DESC_2  (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 85 )
#define MAX_RX_DESC_3  (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 85 )
#define MAX_TX_DESC    (MAX_AVAILABLE_TXDS)