path: root/drivers/net/netxen/netxen_nic_hw.c

/*
 * Copyright (C) 2003 - 2006 NetXen, Inc.
 * All rights reserved.
 *
 * 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; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * 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.
 *
 * The full GNU General Public License is included in this distribution
 * in the file called LICENSE.
 *
 * Contact Information:
 *    info@netxen.com
 * NetXen,
 * 3965 Freedom Circle, Fourth floor,
 * Santa Clara, CA 95054
 *
 *
 * Source file for NIC routines to access the Phantom hardware
 *
 */

#include "netxen_nic.h"
#include "netxen_nic_hw.h"
#include "netxen_nic_phan_reg.h"

/*  PCI Windowing for DDR regions.  */

#define ADDR_IN_RANGE(addr, low, high)	\
	(((addr) <= (high)) && ((addr) >= (low)))

#define NETXEN_FLASH_BASE	(BOOTLD_START)
#define NETXEN_PHANTOM_MEM_BASE	(NETXEN_FLASH_BASE)
#define NETXEN_MAX_MTU		8000 + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE
#define NETXEN_MIN_MTU		64
#define NETXEN_ETH_FCS_SIZE     4
#define NETXEN_ENET_HEADER_SIZE 14
#define NETXEN_WINDOW_ONE 	0x2000000	/*CRB Window: bit 25 of CRB address */
#define NETXEN_FIRMWARE_LEN 	((16 * 1024) / 4)
#define NETXEN_NIU_HDRSIZE	(0x1 << 6)
#define NETXEN_NIU_TLRSIZE	(0x1 << 5)

#define lower32(x)		((u32)((x) & 0xffffffff))
#define upper32(x)			\
	((u32)(((unsigned long long)(x) >> 32) & 0xffffffff))

#define NETXEN_NIC_ZERO_PAUSE_ADDR     0ULL
#define NETXEN_NIC_UNIT_PAUSE_ADDR     0x200ULL
#define NETXEN_NIC_EPG_PAUSE_ADDR1     0x2200010000c28001ULL
#define NETXEN_NIC_EPG_PAUSE_ADDR2     0x0100088866554433ULL

#define NETXEN_NIC_WINDOW_MARGIN 0x100000

unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
					unsigned long long addr);
void netxen_free_hw_resources(struct netxen_adapter *adapter);

int netxen_nic_set_mac(struct net_device *netdev, void *p)
{
	struct netxen_port *port = netdev_priv(netdev);
	struct netxen_adapter *adapter = port->adapter;
	struct sockaddr *addr = p;

	if (netif_running(netdev))
		return -EBUSY;

	if (!is_valid_ether_addr(addr->sa_data))
		return -EADDRNOTAVAIL;

	DPRINTK(INFO, "valid ether addr\n");
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);

	if (adapter->macaddr_set)
		adapter->macaddr_set(port, addr->sa_data);

	return 0;
}

/*
 * netxen_nic_set_multi - Multicast
 */
void netxen_nic_set_multi(struct net_device *netdev)
{
	struct netxen_port *port = netdev_priv(netdev);
	struct netxen_adapter *adapter = port->adapter;
	struct dev_mc_list *mc_ptr;
	__le32 netxen_mac_addr_cntl_data = 0;

	mc_ptr = netdev->mc_list;
	if (netdev->flags & IFF_PROMISC) {
		if (adapter->set_promisc)
			adapter->set_promisc(adapter,
					     port->portnum,
					     NETXEN_NIU_PROMISC_MODE);
	} else {
		if (adapter->unset_promisc &&
		    adapter->ahw.boardcfg.board_type
		    != NETXEN_BRDTYPE_P2_SB31_10G_IMEZ)
			adapter->unset_promisc(adapter,
					       port->portnum,
					       NETXEN_NIU_NON_PROMISC_MODE);
	}
	if (adapte