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linux/drivers/net/chelsio/common.h
viro@ftp.linux.org.uk 91fb4c964c [PATCH] (1/7) chelsio sparse annotations 
NULL noise removal, __iomem annotations, use of if_mii() instead of
open-coding it.

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-09-05 17:57:22 -04:00

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/*****************************************************************************
* *
* 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, write to the Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
* 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: *
* *
****************************************************************************/
#ifndef _CXGB_COMMON_H_
#define _CXGB_COMMON_H_
#include <linux/config.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/mii.h>
#include <linux/crc32.h>
#include <linux/init.h>
#include <asm/io.h>
#include <linux/pci_ids.h>
#define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver"
#define DRV_NAME "cxgb"
#define DRV_VERSION "2.1.1"
#define PFX DRV_NAME ": "
#define CH_ERR(fmt, ...) printk(KERN_ERR PFX fmt, ## __VA_ARGS__)
#define CH_WARN(fmt, ...) printk(KERN_WARNING PFX fmt, ## __VA_ARGS__)
#define CH_ALERT(fmt, ...) printk(KERN_ALERT PFX fmt, ## __VA_ARGS__)
#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;
void t1_elmer0_ext_intr(adapter_t *adapter);
void t1_link_changed(adapter_t *adapter, int port_id, int link_status,
int speed, int duplex, int fc);
struct t1_rx_mode {
struct net_device *dev;
u32 idx;
struct dev_mc_list *list;
};
#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) (rm->dev->mc_count)
static inline u8 *t1_get_next_mcaddr(struct t1_rx_mode *rm)
{
u8 *addr = NULL;
if (rm->idx++ < rm->dev->mc_count) {
addr = rm->list->dmi_addr;
rm->list = rm->list->next;
}
return addr;
}
#define MAX_NPORTS 4
#define SPEED_INVALID 0xffff
#define DUPLEX_INVALID 0xff
enum {
CHBT_BOARD_N110,
CHBT_BOARD_N210
};
enum {
CHBT_TERM_T1,
CHBT_TERM_T2
};
enum {
CHBT_MAC_PM3393,
};
enum {
CHBT_PHY_88X2010,
};
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 adapter_params {
struct sge_params sge;
struct chelsio_pci_params pci;
const struct board_info *brd_info;
unsigned int nports; /* # of ethernet ports */
unsigned int stats_update_period;
unsigned short chip_revision;
unsigned char chip_version;
};
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;
struct vlan_group *vlan_grp;
/* Terminator modules. */
struct sge *sge;
struct peespi *espi;
struct port_info port[MAX_NPORTS];
struct work_struct stats_update_task;
struct timer_list stats_update_timer;
struct semaphore mib_mutex;
spinlock_t tpi_lock;
spinlock_t work_lock;
/* guards async operations */
spinlock_t async_lock ____cacheline_aligned;
u32 slow_intr_mask;
};
enum { /* adapter flags */
FULL_INIT_DONE = 1 << 0,
TSO_CAPABLE = 1 << 2,
TCP_CSUM_CAPABLE = 1 << 3,
UDP_CSUM_CAPABLE = 1 << 4,
VLAN_ACCEL_CAPABLE = 1 << 5,
RX_CSUM_ENABLED = 1 << 6,
};
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_cspi;
unsigned int clock_elmer0;
unsigned char mdio_mdien;
unsigned char mdio_mdiinv;
unsigned char mdio_mdc;
unsigned char mdio_phybaseaddr;
struct gmac *gmac;
struct gphy *gphy;
struct mdio_ops *mdio_ops;
const char *desc;
};
extern 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;
}
#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);
}
#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;
}
extern int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value);
extern int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value);
extern void t1_interrupts_enable(adapter_t *adapter);
extern void t1_interrupts_disable(adapter_t *adapter);
extern void t1_interrupts_clear(adapter_t *adapter);
extern int elmer0_ext_intr_handler(adapter_t *adapter);
extern int t1_slow_intr_handler(adapter_t *adapter);
extern int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc);
extern const struct board_info *t1_get_board_info(unsigned int board_id);
extern const struct board_info *t1_get_board_info_from_ids(unsigned int devid,
unsigned short ssid);
extern int t1_seeprom_read(adapter_t *adapter, u32 addr, u32 *data);
extern int t1_get_board_rev(adapter_t *adapter, const struct board_info *bi,
struct adapter_params *p);
extern int t1_init_hw_modules(adapter_t *adapter);
extern int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi);
extern void t1_free_sw_modules(adapter_t *adapter);
extern void t1_fatal_err(adapter_t *adapter);
extern void t1_tp_set_udp_checksum_offload(adapter_t *adapter, int enable);
extern void t1_tp_set_tcp_checksum_offload(adapter_t *adapter, int enable);
extern void t1_tp_set_ip_checksum_offload(adapter_t *adapter, int enable);
#endif /* _CXGB_COMMON_H_ */
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