common.h

来自「linux 内核源代码」· C头文件 代码 · 共 785 行 · 第 1/2 页

/*
 * Copyright (c) 2005-2007 Chelsio, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#ifndef __CHELSIO_COMMON_H
#define __CHELSIO_COMMON_H

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ctype.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include "version.h"

#define CH_ERR(adap, fmt, ...)   dev_err(&adap->pdev->dev, fmt, ## __VA_ARGS__)
#define CH_WARN(adap, fmt, ...)  dev_warn(&adap->pdev->dev, fmt, ## __VA_ARGS__)
#define CH_ALERT(adap, fmt, ...) \
	dev_printk(KERN_ALERT, &adap->pdev->dev, fmt, ## __VA_ARGS__)

/*
 * More powerful macro that selectively prints messages based on msg_enable.
 * For info and debugging messages.
 */
#define CH_MSG(adapter, level, category, fmt, ...) do { \
	if ((adapter)->msg_enable & NETIF_MSG_##category) \
		dev_printk(KERN_##level, &adapter->pdev->dev, fmt, \
			   ## __VA_ARGS__); \
} while (0)

#ifdef DEBUG
# define CH_DBG(adapter, category, fmt, ...) \
	CH_MSG(adapter, DEBUG, category, fmt, ## __VA_ARGS__)
#else
# define CH_DBG(adapter, category, fmt, ...)
#endif

/* Additional NETIF_MSG_* categories */
#define NETIF_MSG_MMIO 0x8000000

struct t3_rx_mode {
	struct net_device *dev;
	struct dev_mc_list *mclist;
	unsigned int idx;
};

static inline void init_rx_mode(struct t3_rx_mode *p, struct net_device *dev,
				struct dev_mc_list *mclist)
{
	p->dev = dev;
	p->mclist = mclist;
	p->idx = 0;
}

static inline u8 *t3_get_next_mcaddr(struct t3_rx_mode *rm)
{
	u8 *addr = NULL;

	if (rm->mclist && rm->idx < rm->dev->mc_count) {
		addr = rm->mclist->dmi_addr;
		rm->mclist = rm->mclist->next;
		rm->idx++;
	}
	return addr;
}

enum {
	MAX_NPORTS = 2,		/* max # of ports */
	MAX_FRAME_SIZE = 10240,	/* max MAC frame size, including header + FCS */
	EEPROMSIZE = 8192,	/* Serial EEPROM size */
	SERNUM_LEN     = 16,    /* Serial # length */
	RSS_TABLE_SIZE = 64,	/* size of RSS lookup and mapping tables */
	TCB_SIZE = 128,		/* TCB size */
	NMTUS = 16,		/* size of MTU table */
	NCCTRL_WIN = 32,	/* # of congestion control windows */
	PROTO_SRAM_LINES = 128, /* size of TP sram */
};

#define MAX_RX_COALESCING_LEN 12288U

enum {
	PAUSE_RX = 1 << 0,
	PAUSE_TX = 1 << 1,
	PAUSE_AUTONEG = 1 << 2
};

enum {
	SUPPORTED_IRQ      = 1 << 24
};

enum {				/* adapter interrupt-maintained statistics */
	STAT_ULP_CH0_PBL_OOB,
	STAT_ULP_CH1_PBL_OOB,
	STAT_PCI_CORR_ECC,

	IRQ_NUM_STATS		/* keep last */
};

enum {
	TP_VERSION_MAJOR	= 1,
	TP_VERSION_MINOR	= 1,
	TP_VERSION_MICRO	= 0
};

#define S_TP_VERSION_MAJOR		16
#define M_TP_VERSION_MAJOR		0xFF
#define V_TP_VERSION_MAJOR(x)		((x) << S_TP_VERSION_MAJOR)
#define G_TP_VERSION_MAJOR(x)		\
	    (((x) >> S_TP_VERSION_MAJOR) & M_TP_VERSION_MAJOR)

#define S_TP_VERSION_MINOR		8
#define M_TP_VERSION_MINOR		0xFF
#define V_TP_VERSION_MINOR(x)		((x) << S_TP_VERSION_MINOR)
#define G_TP_VERSION_MINOR(x)		\
	    (((x) >> S_TP_VERSION_MINOR) & M_TP_VERSION_MINOR)

#define S_TP_VERSION_MICRO		0
#define M_TP_VERSION_MICRO		0xFF
#define V_TP_VERSION_MICRO(x)		((x) << S_TP_VERSION_MICRO)
#define G_TP_VERSION_MICRO(x)		\
	    (((x) >> S_TP_VERSION_MICRO) & M_TP_VERSION_MICRO)

enum {
	SGE_QSETS = 8,		/* # of SGE Tx/Rx/RspQ sets */
	SGE_RXQ_PER_SET = 2,	/* # of Rx queues per set */
	SGE_TXQ_PER_SET = 3	/* # of Tx queues per set */
};

enum sge_context_type {		/* SGE egress context types */
	SGE_CNTXT_RDMA = 0,
	SGE_CNTXT_ETH = 2,
	SGE_CNTXT_OFLD = 4,
	SGE_CNTXT_CTRL = 5
};

enum {
	AN_PKT_SIZE = 32,	/* async notification packet size */
	IMMED_PKT_SIZE = 48	/* packet size for immediate data */
};

struct sg_ent {			/* SGE scatter/gather entry */
	__be32 len[2];
	__be64 addr[2];
};

#ifndef SGE_NUM_GENBITS
/* Must be 1 or 2 */
# define SGE_NUM_GENBITS 2
#endif

#define TX_DESC_FLITS 16U
#define WR_FLITS (TX_DESC_FLITS + 1 - SGE_NUM_GENBITS)

struct cphy;
struct adapter;

struct mdio_ops {
	int (*read)(struct adapter *adapter, int phy_addr, int mmd_addr,
		    int reg_addr, unsigned int *val);
	int (*write)(struct adapter *adapter, int phy_addr, int mmd_addr,
		     int reg_addr, unsigned int val);
};

struct adapter_info {
	unsigned char nports;	/* # of ports */
	unsigned char phy_base_addr;	/* MDIO PHY base address */
	unsigned char mdien;
	unsigned char mdiinv;
	unsigned int gpio_out;	/* GPIO output settings */
	unsigned int gpio_intr;	/* GPIO IRQ enable mask */
	unsigned long caps;	/* adapter capabilities */
	const struct mdio_ops *mdio_ops;	/* MDIO operations */
	const char *desc;	/* product description */
};

struct port_type_info {
	void (*phy_prep)(struct cphy *phy, struct adapter *adapter,
			 int phy_addr, const struct mdio_ops *ops);
	unsigned int caps;
	const char *desc;
};

struct mc5_stats {
	unsigned long parity_err;
	unsigned long active_rgn_full;
	unsigned long nfa_srch_err;
	unsigned long unknown_cmd;
	unsigned long reqq_parity_err;
	unsigned long dispq_parity_err;
	unsigned long del_act_empty;
};

struct mc7_stats {
	unsigned long corr_err;
	unsigned long uncorr_err;
	unsigned long parity_err;
	unsigned long addr_err;
};

struct mac_stats {
	u64 tx_octets;		/* total # of octets in good frames */
	u64 tx_octets_bad;	/* total # of octets in error frames */
	u64 tx_frames;		/* all good frames */
	u64 tx_mcast_frames;	/* good multicast frames */
	u64 tx_bcast_frames;	/* good broadcast frames */
	u64 tx_pause;		/* # of transmitted pause frames */
	u64 tx_deferred;	/* frames with deferred transmissions */
	u64 tx_late_collisions;	/* # of late collisions */
	u64 tx_total_collisions;	/* # of total collisions */
	u64 tx_excess_collisions;	/* frame errors from excessive collissions */
	u64 tx_underrun;	/* # of Tx FIFO underruns */
	u64 tx_len_errs;	/* # of Tx length errors */
	u64 tx_mac_internal_errs;	/* # of internal MAC errors on Tx */
	u64 tx_excess_deferral;	/* # of frames with excessive deferral */
	u64 tx_fcs_errs;	/* # of frames with bad FCS */

	u64 tx_frames_64;	/* # of Tx frames in a particular range */
	u64 tx_frames_65_127;
	u64 tx_frames_128_255;
	u64 tx_frames_256_511;
	u64 tx_frames_512_1023;
	u64 tx_frames_1024_1518;
	u64 tx_frames_1519_max;

	u64 rx_octets;		/* total # of octets in good frames */
	u64 rx_octets_bad;	/* total # of octets in error frames */
	u64 rx_frames;		/* all good frames */
	u64 rx_mcast_frames;	/* good multicast frames */
	u64 rx_bcast_frames;	/* good broadcast frames */
	u64 rx_pause;		/* # of received pause frames */
	u64 rx_fcs_errs;	/* # of received frames with bad FCS */
	u64 rx_align_errs;	/* alignment errors */
	u64 rx_symbol_errs;	/* symbol errors */
	u64 rx_data_errs;	/* data errors */
	u64 rx_sequence_errs;	/* sequence errors */
	u64 rx_runt;		/* # of runt frames */
	u64 rx_jabber;		/* # of jabber frames */
	u64 rx_short;		/* # of short frames */
	u64 rx_too_long;	/* # of oversized frames */
	u64 rx_mac_internal_errs;	/* # of internal MAC errors on Rx */

	u64 rx_frames_64;	/* # of Rx frames in a particular range */
	u64 rx_frames_65_127;
	u64 rx_frames_128_255;
	u64 rx_frames_256_511;
	u64 rx_frames_512_1023;
	u64 rx_frames_1024_1518;
	u64 rx_frames_1519_max;

	u64 rx_cong_drops;	/* # of Rx drops due to SGE congestion */

	unsigned long tx_fifo_parity_err;
	unsigned long rx_fifo_parity_err;
	unsigned long tx_fifo_urun;
	unsigned long rx_fifo_ovfl;
	unsigned long serdes_signal_loss;
	unsigned long xaui_pcs_ctc_err;
	unsigned long xaui_pcs_align_change;

	unsigned long num_toggled; /* # times toggled TxEn due to stuck TX */
	unsigned long num_resets;  /* # times reset due to stuck TX */

};

struct tp_mib_stats {
	u32 ipInReceive_hi;
	u32 ipInReceive_lo;
	u32 ipInHdrErrors_hi;
	u32 ipInHdrErrors_lo;
	u32 ipInAddrErrors_hi;
	u32 ipInAddrErrors_lo;
	u32 ipInUnknownProtos_hi;
	u32 ipInUnknownProtos_lo;
	u32 ipInDiscards_hi;
	u32 ipInDiscards_lo;
	u32 ipInDelivers_hi;
	u32 ipInDelivers_lo;
	u32 ipOutRequests_hi;
	u32 ipOutRequests_lo;
	u32 ipOutDiscards_hi;
	u32 ipOutDiscards_lo;
	u32 ipOutNoRoutes_hi;
	u32 ipOutNoRoutes_lo;
	u32 ipReasmTimeout;
	u32 ipReasmReqds;
	u32 ipReasmOKs;
	u32 ipReasmFails;

	u32 reserved[8];

	u32 tcpActiveOpens;
	u32 tcpPassiveOpens;
	u32 tcpAttemptFails;
	u32 tcpEstabResets;
	u32 tcpOutRsts;
	u32 tcpCurrEstab;
	u32 tcpInSegs_hi;
	u32 tcpInSegs_lo;
	u32 tcpOutSegs_hi;
	u32 tcpOutSegs_lo;
	u32 tcpRetransSeg_hi;
	u32 tcpRetransSeg_lo;
	u32 tcpInErrs_hi;
	u32 tcpInErrs_lo;
	u32 tcpRtoMin;
	u32 tcpRtoMax;
};

struct tp_params {
	unsigned int nchan;	/* # of channels */
	unsigned int pmrx_size;	/* total PMRX capacity */
	unsigned int pmtx_size;	/* total PMTX capacity */
	unsigned int cm_size;	/* total CM capacity */
	unsigned int chan_rx_size;	/* per channel Rx size */
	unsigned int chan_tx_size;	/* per channel Tx size */
	unsigned int rx_pg_size;	/* Rx page size */
	unsigned int tx_pg_size;	/* Tx page size */
	unsigned int rx_num_pgs;	/* # of Rx pages */
	unsigned int tx_num_pgs;	/* # of Tx pages */
	unsigned int ntimer_qs;	/* # of timer queues */
};

struct qset_params {		/* SGE queue set parameters */
	unsigned int polling;	/* polling/interrupt service for rspq */
	unsigned int coalesce_usecs;	/* irq coalescing timer */
	unsigned int rspq_size;	/* # of entries in response queue */
	unsigned int fl_size;	/* # of entries in regular free list */
	unsigned int jumbo_size;	/* # of entries in jumbo free list */
	unsigned int txq_size[SGE_TXQ_PER_SET];	/* Tx queue sizes */
	unsigned int cong_thres;	/* FL congestion threshold */
};

struct sge_params {
	unsigned int max_pkt_size;	/* max offload pkt size */
	struct qset_params qset[SGE_QSETS];
};

struct mc5_params {
	unsigned int mode;	/* selects MC5 width */
	unsigned int nservers;	/* size of server region */
	unsigned int nfilters;	/* size of filter region */
	unsigned int nroutes;	/* size of routing region */
};

/* Default MC5 region sizes */
enum {
	DEFAULT_NSERVERS = 512,
	DEFAULT_NFILTERS = 128
};

/* MC5 modes, these must be non-0 */
enum {
	MC5_MODE_144_BIT = 1,
	MC5_MODE_72_BIT = 2
};

/* MC5 min active region size */
enum { MC5_MIN_TIDS = 16 };

struct vpd_params {
	unsigned int cclk;
	unsigned int mclk;
	unsigned int uclk;
	unsigned int mdc;