path: root/drivers/net/chelsio/cxgb2.c

/*****************************************************************************
 *                                                                           *
 * File: cxgb2.c                                                             *
 * $Revision: 1.25 $                                                         *
 * $Date: 2005/06/22 00:43:25 $                                              *
 * Description:                                                              *
 *  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:                                                                  *
 *                                                                           *
 ****************************************************************************/

#include "common.h"
#include <linux/module.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_vlan.h>
#include <linux/mii.h>
#include <linux/sockios.h>
#include <linux/proc_fs.h>
#include <linux/dma-mapping.h>
#include <asm/uaccess.h>

#include "cpl5_cmd.h"
#include "regs.h"
#include "gmac.h"
#include "cphy.h"
#include "sge.h"
#include "espi.h"

#include <linux/workqueue.h>

static inline void schedule_mac_stats_update(struct adapter *ap, int secs)
{
	schedule_delayed_work(&ap->stats_update_task, secs * HZ);
}

static inline void cancel_mac_stats_update(struct adapter *ap)
{
	cancel_delayed_work(&ap->stats_update_task);
}

#define MAX_CMDQ_ENTRIES 16384
#define MAX_CMDQ1_ENTRIES 1024
#define MAX_RX_BUFFERS 16384
#define MAX_RX_JUMBO_BUFFERS 16384
#define MAX_TX_BUFFERS_HIGH	16384U
#define MAX_TX_BUFFERS_LOW	1536U
#define MIN_FL_ENTRIES 32

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

#define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \
			 NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\
			 NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR)

/*
 * The EEPROM is actually bigger but only the first few bytes are used so we
 * only report those.
 */
#define EEPROM_SIZE 32

MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_AUTHOR("Chelsio Communications");
MODULE_LICENSE("GPL");

static int dflt_msg_enable = DFLT_MSG_ENABLE;

module_param(dflt_msg_enable, int, 0);
MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T1 message enable bitmap");


static const char pci_speed[][4] = {
	"33", "66", "100", "133"
};

/*
 * Setup MAC to receive the types of packets we want.
 */
static void t1_set_rxmode(struct net_device *dev)
{
	struct adapter *adapter = dev->priv;
	struct cmac *mac = adapter->port[dev->if_port].mac;
	struct t1_rx_mode rm;

	rm.dev = dev;
	rm.idx = 0;
	rm.list = dev->mc_list;
	mac->ops->set_rx_mode(mac, &rm);
}

static void link_report(struct port_info *p)
{
	if (!netif_carrier_ok(p->dev))
		printk(KERN_INFO "%s: link down\n", p->dev->name);
	else {
		const char *s = "10Mbps";

		switch (p->link_config.speed) {
			case