/* bnx2x.h: Broadcom Everest network driver.
*
* Copyright (c) 2007-2009 Broadcom Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation.
*
* Maintained by: Eilon Greenstein <eilong@broadcom.com>
* Written by: Eliezer Tamir
* Based on code from Michael Chan's bnx2 driver
*/
#ifndef BNX2X_H
#define BNX2X_H
/* compilation time flags */
/* define this to make the driver freeze on error to allow getting debug info
* (you will need to reboot afterwards) */
/* #define BNX2X_STOP_ON_ERROR */
#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
#define BCM_VLAN 1
#endif
#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
#define BCM_CNIC 1
#include "cnic_if.h"
#endif
#define BNX2X_MULTI_QUEUE
#define BNX2X_NEW_NAPI
#include <linux/mdio.h>
#include "bnx2x_reg.h"
#include "bnx2x_fw_defs.h"
#include "bnx2x_hsi.h"
#include "bnx2x_link.h"
/* error/debug prints */
#define DRV_MODULE_NAME "bnx2x"
#define PFX DRV_MODULE_NAME ": "
/* for messages that are currently off */
#define BNX2X_MSG_OFF 0
#define BNX2X_MSG_MCP 0x010000 /* was: NETIF_MSG_HW */
#define BNX2X_MSG_STATS 0x020000 /* was: NETIF_MSG_TIMER */
#define BNX2X_MSG_NVM 0x040000 /* was: NETIF_MSG_HW */
#define BNX2X_MSG_DMAE 0x080000 /* was: NETIF_MSG_HW */
#define BNX2X_MSG_SP 0x100000 /* was: NETIF_MSG_INTR */
#define BNX2X_MSG_FP 0x200000 /* was: NETIF_MSG_INTR */
#define DP_LEVEL KERN_NOTICE /* was: KERN_DEBUG */
/* regular debug print */
#define DP(__mask, __fmt, __args...) do { \
if (bp->msglevel & (__mask)) \
printk(DP_LEVEL "[%s:%d(%s)]" __fmt, __func__, __LINE__, \
bp->dev ? (bp->dev->name) : "?", ##__args); \
} while (0)
/* errors debug print */
#define BNX2X_DBG_ERR(__fmt, __args...) do { \
if (bp->msglevel & NETIF_MSG_PROBE) \
printk(KERN_ERR "[%s:%d(%s)]" __fmt, __func__, __LINE__, \
bp->dev ? (bp->dev->name) : "?", ##__args); \
} while (0)
/* for errors (never masked) */
#define BNX2X_ERR(__fmt, __args...) do { \
printk(KERN_ERR "[%s:%d(%s)]" __fmt, __func__, __LINE__, \
bp->dev ? (bp->dev->name) : "?", ##__args); \
} while (0)
/* before we have a dev->name use dev_info() */
#define BNX2X_DEV_INFO(__fmt, __args...) do { \
if (bp->msglevel & NETIF_MSG_PROBE) \
dev_info(&bp->pdev->dev, __fmt, ##__args); \
} while (0)
#ifdef BNX2X_STOP_ON_ERROR
#define bnx2x_panic() do { \
bp->panic = 1; \
BNX2X_ERR("driver assert\n"); \
bnx2x_int_disable(bp); \
bnx2x_panic_dump(bp); \
} while (0)
#else
#define bnx2x_panic() do { \
bp->panic = 1; \
BNX2X_ERR("driver assert\n"); \
bnx2x_panic_dump(bp); \
} while (0)
#endif
#define U64_LO(x) (u32)(((u64)(x)) & 0xffffffff)
#define U64_HI(x) (u32)(((u64)(x)) >> 32)
#define HILO_U64(hi, lo) ((((u64)(hi)) << 32) + (lo))
#define REG_ADDR(bp, offset) (bp->regview + offset)
#define REG_RD(bp, offset) readl(REG_ADDR(bp, offset))
#define REG_RD8(bp, offset) readb(REG_ADDR(bp, offset))
#define REG_WR(bp, offset, val) writel((u32)val, REG_ADDR(bp, offset))
#define REG_WR8(bp, offset, val) writeb((u8)val, REG_ADDR(bp, offset))
#define REG_WR16(bp, offset, val) writew((u16)val, REG_ADDR(bp, offset))
#define REG_RD_IND(bp, offset) bnx2x_reg_rd_ind(bp, offset)
#define REG_WR_IND(bp, offset, val) bnx2x_reg_wr_ind(bp, offset, val)
#define REG_RD_DMAE(bp, offset, valp, len32) \
do { \
bnx2x_read_dmae(bp, offset, len32);\
memcpy(valp, bnx2x_sp(bp, wb_data[0]), (len32) * 4); \
} while (0)
#define REG_WR_DMAE(bp, offset, valp, len32) \
do { \
memcpy(bnx2x_sp(bp, wb_data[0]), valp, (len32) * 4); \
bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data), \
offset, len32); \
} while (0)
#define VIRT_WR_DMAE_LEN(bp, data, addr, len32) \
do { \
memcpy(GUNZIP_BUF(bp), data, (len32) * 4); \
bnx2x_write_big_buf_wb(bp, addr, len32); \
} while (0)
#define SHMEM_ADDR(bp, field) (bp->common.shmem_base + \
offsetof(struct shmem_region, field))
#define SHMEM_RD(bp, field) REG_RD(bp, SHMEM_ADDR(bp, field))
#define SHMEM_WR(bp, field, val) REG_WR(bp, SHMEM_ADDR(bp, field), val)
#define SHMEM2_ADDR(bp, field) (bp->common.shmem2_base + \
offsetof(struct shmem2_region, field))
#define SHMEM2_RD(bp, field) REG_RD(bp, SHMEM2_ADDR(bp, field))
#define SHMEM2_WR(bp, field, val) REG_WR(bp, SHMEM2_ADDR(bp, field), val)
#define EMAC_RD(bp, reg) REG_RD(bp, emac_base + reg)
#define EMAC_WR(bp, reg, val) REG_WR(bp, emac_base + reg, val)
/* fast path */
struct sw_rx_bd {
struct sk_buff *skb;
DECLARE_PCI_UNMAP_ADDR(mapping)
};
struct sw_tx_bd {
struct sk_buff *skb;
u16 first_bd;
u8 flags;
/* Set on the first BD descriptor when there is a split BD */
#define BNX2X_TSO_SPLIT_BD (1<<0)
};
struct sw_rx_page {
struct page *page;
DECLARE_PCI_UNMAP_ADDR(mapping)
};
union db_prod {
struct doorbell_set_prod data;
u32 raw;
};
/* MC hsi */
#define BCM_PAGE_SHIFT 12
#define BCM_PAGE_SIZE (1 << BCM_PAGE_SHIFT)
#define BCM_PAGE_MASK (~(BCM_PAGE_SIZE - 1))
#define BCM_PAGE_ALIGN(addr) (((addr) + BCM_PAGE_SIZE - 1) & BCM_PAGE_MASK)
#define PAGES_PER_SGE_SHIFT 0
#define PAGES_PER_SGE (1 << PAGES_PER_SGE_SHIFT)
#define SGE_PAGE_SIZE PAGE_SIZE