path: root/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h

/* bnx2x_cmn.h: Broadcom Everest network driver.
 *
 * Copyright (c) 2007-2012 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
 * UDP CSUM errata workaround by Arik Gendelman
 * Slowpath and fastpath rework by Vladislav Zolotarov
 * Statistics and Link management by Yitchak Gertner
 *
 */
#ifndef BNX2X_CMN_H
#define BNX2X_CMN_H

#include <linux/types.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>


#include "bnx2x.h"

/* This is used as a replacement for an MCP if it's not present */
extern int load_count[2][3]; /* per-path: 0-common, 1-port0, 2-port1 */

extern int num_queues;
extern int int_mode;

/************************ Macros ********************************/
#define BNX2X_PCI_FREE(x, y, size) \
	do { \
		if (x) { \
			dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
			x = NULL; \
			y = 0; \
		} \
	} while (0)

#define BNX2X_FREE(x) \
	do { \
		if (x) { \
			kfree((void *)x); \
			x = NULL; \
		} \
	} while (0)

#define BNX2X_PCI_ALLOC(x, y, size) \
	do { \
		x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
		if (x == NULL) \
			goto alloc_mem_err; \
		memset((void *)x, 0, size); \
	} while (0)

#define BNX2X_ALLOC(x, size) \
	do { \
		x = kzalloc(size, GFP_KERNEL); \
		if (x == NULL) \
			goto alloc_mem_err; \
	} while (0)

/*********************** Interfaces ****************************
 *  Functions that need to be implemented by each driver version
 */
/* Init */

/**
 * bnx2x_send_unload_req - request unload mode from the MCP.
 *
 * @bp:			driver handle
 * @unload_mode:	requested function's unload mode
 *
 * Return unload mode returned by the MCP: COMMON, PORT or FUNC.
 */
u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode);

/**
 * bnx2x_send_unload_done - send UNLOAD_DONE command to the MCP.
 *
 * @bp:		driver handle
 * @keep_link:		true iff link should be kept up
 */
void bnx2x_send_unload_done(struct bnx2x *bp, bool keep_link);

/**
 * bnx2x_config_rss_pf - configure RSS parameters in a PF.
 *
 * @bp:			driver handle
 * @rss_obj:		RSS object to use
 * @ind_table:		indirection table to configure
 * @config_hash:	re-configure RSS hash keys configuration
 */
int bnx2x_config_rss_pf(struct bnx2x *bp, struct bnx2x_rss_config_obj *rss_obj,
			bool config_hash);

/**
 * bnx2x__init_func_obj - init function object
 *
 * @bp:			driver handle
 *
 * Initializes the Function Object with the appropriate
 * parameters which include a function slow path driver
 * interface.
 */
void bnx2x__init_func_obj(struct bnx2x *bp);

/**
 * bnx2x_setup_queue - setup eth queue.
 *
 * @bp:		driver handle
 * @fp:		pointer to the fastpath structure
 * @leading:	boolean
 *
 */
int bnx2x_setup_queue(struct bnx2x *bp, struct bnx2x_fastpath *fp,
		       bool leading);

/**
 * bnx2x_setup_leading - bring up a leading eth queue.
 *
 * @bp:		driver handle
 */
int bnx2x_setup_leading(struct bnx2x *bp);

/**
 * bnx2x_fw_command - send the MCP a request
 *
 * @bp:		driver handle
 * @command:	request
 * @param:	request's parameter
 *
 * block until there is a reply
 */
u32 bnx2x_fw_command(struct bnx2x *bp,