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Release 4.11 drivers/net/ethernet/chelsio/cxgb/common.h

/*****************************************************************************
 *                                                                           *
 * File: common.h                                                            *
 * $Revision: 1.21 $                                                         *
 * $Date: 2005/06/22 00:43:25 $                                              *
 * Description:                                                              *
 *  part of the Chelsio 10Gb Ethernet Driver.                                *
 *                                                                           *
 * 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.                                *
 *                                                                           *
 * You should have received a copy of the GNU General Public License along   *
 * with this program; if not, see <http://www.gnu.org/licenses/>.            *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED    *
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF      *
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.                     *
 *                                                                           *
 * http://www.chelsio.com                                                    *
 *                                                                           *
 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc.                    *
 * All rights reserved.                                                      *
 *                                                                           *
 * Maintainers: maintainers@chelsio.com                                      *
 *                                                                           *
 * Authors: Dimitrios Michailidis   <dm@chelsio.com>                         *
 *          Tina Yang               <tainay@chelsio.com>                     *
 *          Felix Marti             <felix@chelsio.com>                      *
 *          Scott Bardone           <sbardone@chelsio.com>                   *
 *          Kurt Ottaway            <kottaway@chelsio.com>                   *
 *          Frank DiMambro          <frank@chelsio.com>                      *
 *                                                                           *
 * History:                                                                  *
 *                                                                           *
 ****************************************************************************/


#define pr_fmt(fmt) "cxgb: " fmt

#ifndef _CXGB_COMMON_H_

#define _CXGB_COMMON_H_

#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#include <linux/mdio.h>
#include <linux/crc32.h>
#include <linux/slab.h>
#include <asm/io.h>
#include <linux/pci_ids.h>


#define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver"

#define DRV_NAME "cxgb"

#define DRV_VERSION "2.2"


#define CH_DEVICE(devid, ssid, idx) \
	{ PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx }


#define SUPPORTED_PAUSE       (1 << 13)

#define SUPPORTED_LOOPBACK    (1 << 15)


#define ADVERTISED_PAUSE      (1 << 13)

#define ADVERTISED_ASYM_PAUSE (1 << 14)


typedef struct adapter adapter_t;


struct t1_rx_mode {
       
struct net_device *dev;
};


#define t1_rx_mode_promisc(rm)	(rm->dev->flags & IFF_PROMISC)

#define t1_rx_mode_allmulti(rm)	(rm->dev->flags & IFF_ALLMULTI)

#define t1_rx_mode_mc_cnt(rm)	(netdev_mc_count(rm->dev))

#define t1_get_netdev(rm)	(rm->dev)


#define	MAX_NPORTS 4

#define PORT_MASK ((1 << MAX_NPORTS) - 1)

#define NMTUS      8

#define TCB_SIZE   128


#define SPEED_INVALID 0xffff

#define DUPLEX_INVALID 0xff

/* Max frame size PM3393 can handle. Includes Ethernet header and CRC. */

#define PM3393_MAX_FRAME_SIZE 9600


#define VSC7326_MAX_MTU 9600

enum {
	
CHBT_BOARD_N110,
	
CHBT_BOARD_N210,
	
CHBT_BOARD_7500,
	
CHBT_BOARD_8000,
	
CHBT_BOARD_CHT101,
	
CHBT_BOARD_CHT110,
	
CHBT_BOARD_CHT210,
	
CHBT_BOARD_CHT204,
	
CHBT_BOARD_CHT204V,
	
CHBT_BOARD_CHT204E,
	
CHBT_BOARD_CHN204,
	
CHBT_BOARD_COUGAR,
	
CHBT_BOARD_6800,
	
CHBT_BOARD_SIMUL,
};

enum {
	
CHBT_TERM_FPGA,
	
CHBT_TERM_T1,
	
CHBT_TERM_T2,
	
CHBT_TERM_T3
};

enum {
	
CHBT_MAC_CHELSIO_A,
	
CHBT_MAC_IXF1010,
	
CHBT_MAC_PM3393,
	
CHBT_MAC_VSC7321,
	
CHBT_MAC_DUMMY
};

enum {
	
CHBT_PHY_88E1041,
	
CHBT_PHY_88E1111,
	
CHBT_PHY_88X2010,
	
CHBT_PHY_XPAK,
	
CHBT_PHY_MY3126,
	
CHBT_PHY_8244,
	
CHBT_PHY_DUMMY
};

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

/* Revisions of T1 chip */
enum {
	
TERM_T1A   = 0,
	
TERM_T1B   = 1,
	
TERM_T2    = 3
};


struct sge_params {
	
unsigned int cmdQ_size[2];
	
unsigned int freelQ_size[2];
	
unsigned int large_buf_capacity;
	
unsigned int rx_coalesce_usecs;
	
unsigned int last_rx_coalesce_raw;
	
unsigned int default_rx_coalesce_usecs;
	
unsigned int sample_interval_usecs;
	
unsigned int coalesce_enable;
	
unsigned int polling;
};


struct chelsio_pci_params {
	
unsigned short speed;
	
unsigned char  width;
	
unsigned char  is_pcix;
};


struct tp_params {
	
unsigned int pm_size;
	
unsigned int cm_size;
	
unsigned int pm_rx_base;
	
unsigned int pm_tx_base;
	
unsigned int pm_rx_pg_size;
	
unsigned int pm_tx_pg_size;
	
unsigned int pm_rx_num_pgs;
	
unsigned int pm_tx_num_pgs;
	
unsigned int rx_coalescing_size;
	
unsigned int use_5tuple_mode;
};


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

/* Default MC5 region sizes */

#define DEFAULT_SERVER_REGION_LEN 256

#define DEFAULT_RT_REGION_LEN 1024


struct adapter_params {
	
struct sge_params sge;
	
struct mc5_params mc5;
	
struct tp_params  tp;
	
struct chelsio_pci_params pci;

	
const struct board_info *brd_info;

	
unsigned short mtus[NMTUS];
	
unsigned int   nports;          /* # of ethernet ports */
	
unsigned int   stats_update_period;
	
unsigned short chip_revision;
	
unsigned char  chip_version;
	
unsigned char  is_asic;
	
unsigned char  has_msi;
};


struct link_config {
	
unsigned int   supported;        /* link capabilities */
	
unsigned int   advertising;      /* advertised capabilities */
	
unsigned short requested_speed;  /* speed user has requested */
	
unsigned short speed;            /* actual link speed */
	
unsigned char  requested_duplex; /* duplex user has requested */
	
unsigned char  duplex;           /* actual link duplex */
	
unsigned char  requested_fc;     /* flow control user has requested */
	
unsigned char  fc;               /* actual link flow control */
	
unsigned char  autoneg;          /* autonegotiating? */
};

struct cmac;
struct cphy;


struct port_info {
	
struct net_device *dev;
	
struct cmac *mac;
	
struct cphy *phy;
	
struct link_config link_config;
	
struct net_device_stats netstats;
};

struct sge;
struct peespi;


struct adapter {
	
u8 __iomem *regs;
	
struct pci_dev *pdev;
	
unsigned long registered_device_map;
	
unsigned long open_device_map;
	
unsigned long flags;

	
const char *name;
	
int msg_enable;
	
u32 mmio_len;

	
struct work_struct ext_intr_handler_task;
	
struct adapter_params params;

	/* Terminator modules. */
	
struct sge    *sge;
	
struct peespi *espi;
	
struct petp   *tp;

	
struct napi_struct napi;
	
struct port_info port[MAX_NPORTS];
	
struct delayed_work stats_update_task;
	
struct timer_list stats_update_timer;

	
spinlock_t tpi_lock;
	
spinlock_t work_lock;
	
spinlock_t mac_lock;

	/* guards async operations */
	
spinlock_t async_lock ____cacheline_aligned;
	
u32 slow_intr_mask;
	
int t1powersave;
};

enum {                                           /* adapter flags */
	
FULL_INIT_DONE        = 1 << 0,
};

struct mdio_ops;
struct gmac;
struct gphy;


struct board_info {
	
unsigned char           board;
	
unsigned char           port_number;
	
unsigned long           caps;
	
unsigned char           chip_term;
	
unsigned char           chip_mac;
	
unsigned char           chip_phy;
	
unsigned int            clock_core;
	
unsigned int            clock_mc3;
	
unsigned int            clock_mc4;
	
unsigned int            espi_nports;
	
unsigned int            clock_elmer0;
	
unsigned char           mdio_mdien;
	
unsigned char           mdio_mdiinv;
	
unsigned char           mdio_mdc;
	
unsigned char           mdio_phybaseaddr;
	
const struct gmac      *gmac;
	
const struct gphy      *gphy;
	
const struct mdio_ops  *mdio_ops;
	
const char             *desc;
};


static inline int t1_is_asic(const adapter_t *adapter) { return adapter->params.is_asic; }

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extern const struct pci_device_id t1_pci_tbl[];
static inline int adapter_matches_type(const adapter_t *adapter, int version, int revision) { return adapter->params.chip_version == version && adapter->params.chip_revision == revision; }

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#define t1_is_T1B(adap) adapter_matches_type(adap, CHBT_TERM_T1, TERM_T1B) #define is_T2(adap) adapter_matches_type(adap, CHBT_TERM_T2, TERM_T2) /* Returns true if an adapter supports VLAN acceleration and TSO */
static inline int vlan_tso_capable(const adapter_t *adapter) { return !t1_is_T1B(adapter); }

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#define for_each_port(adapter, iter) \ for (iter = 0; iter < (adapter)->params.nports; ++iter) #define board_info(adapter) ((adapter)->params.brd_info) #define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full)
static inline unsigned int core_ticks_per_usec(const adapter_t *adap) { return board_info(adap)->clock_core / 1000000; }

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int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp); int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value); void t1_interrupts_enable(adapter_t *adapter); void t1_interrupts_disable(adapter_t *adapter); void t1_interrupts_clear(adapter_t *adapter); int t1_elmer0_ext_intr_handler(adapter_t *adapter); void t1_elmer0_ext_intr(adapter_t *adapter); int t1_slow_intr_handler(adapter_t *adapter); int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc); const struct board_info *t1_get_board_info(unsigned int board_id); const struct board_info *t1_get_board_info_from_ids(unsigned int devid, unsigned short ssid); int t1_seeprom_read(adapter_t *adapter, u32 addr, __le32 *data); int t1_get_board_rev(adapter_t *adapter, const struct board_info *bi, struct adapter_params *p); int t1_init_hw_modules(adapter_t *adapter); int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi); void t1_free_sw_modules(adapter_t *adapter); void t1_fatal_err(adapter_t *adapter); void t1_link_changed(adapter_t *adapter, int port_id); void t1_link_negotiated(adapter_t *adapter, int port_id, int link_stat, int speed, int duplex, int pause); #endif /* _CXGB_COMMON_H_ */

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