forked from Minki/linux
13ba9c7714
NetXen: Removal of redundant function call parameters and bug fixes. This patch will remove the redundant paramters which were being passed to many functions since now adapter->portnum can be used. Signed-off-by: Mithlesh Thukral <mithlesh@netxen.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
1129 lines
31 KiB
C
1129 lines
31 KiB
C
/*
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* Copyright (C) 2003 - 2006 NetXen, Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.
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*
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* Contact Information:
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* info@netxen.com
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* NetXen,
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* 3965 Freedom Circle, Fourth floor,
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* Santa Clara, CA 95054
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*
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*
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* Source file for NIC routines to access the Phantom hardware
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*
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*/
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#include "netxen_nic.h"
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#include "netxen_nic_hw.h"
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#define DEFINE_GLOBAL_RECV_CRB
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#include "netxen_nic_phan_reg.h"
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#include <net/ip.h>
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struct netxen_recv_crb recv_crb_registers[] = {
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/*
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* Instance 0.
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*/
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{
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/* rcv_desc_crb: */
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{
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{
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/* crb_rcv_producer_offset: */
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NETXEN_NIC_REG(0x100),
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/* crb_rcv_consumer_offset: */
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NETXEN_NIC_REG(0x104),
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/* crb_gloablrcv_ring: */
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NETXEN_NIC_REG(0x108),
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/* crb_rcv_ring_size */
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NETXEN_NIC_REG(0x10c),
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},
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/* Jumbo frames */
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{
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/* crb_rcv_producer_offset: */
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NETXEN_NIC_REG(0x110),
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/* crb_rcv_consumer_offset: */
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NETXEN_NIC_REG(0x114),
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/* crb_gloablrcv_ring: */
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NETXEN_NIC_REG(0x118),
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/* crb_rcv_ring_size */
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NETXEN_NIC_REG(0x11c),
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},
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/* LRO */
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{
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/* crb_rcv_producer_offset: */
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NETXEN_NIC_REG(0x120),
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/* crb_rcv_consumer_offset: */
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NETXEN_NIC_REG(0x124),
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/* crb_gloablrcv_ring: */
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NETXEN_NIC_REG(0x128),
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/* crb_rcv_ring_size */
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NETXEN_NIC_REG(0x12c),
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}
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},
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/* crb_rcvstatus_ring: */
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NETXEN_NIC_REG(0x130),
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/* crb_rcv_status_producer: */
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NETXEN_NIC_REG(0x134),
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/* crb_rcv_status_consumer: */
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NETXEN_NIC_REG(0x138),
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/* crb_rcvpeg_state: */
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NETXEN_NIC_REG(0x13c),
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/* crb_status_ring_size */
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NETXEN_NIC_REG(0x140),
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},
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/*
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* Instance 1,
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*/
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{
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/* rcv_desc_crb: */
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{
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{
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/* crb_rcv_producer_offset: */
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NETXEN_NIC_REG(0x144),
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/* crb_rcv_consumer_offset: */
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NETXEN_NIC_REG(0x148),
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/* crb_globalrcv_ring: */
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NETXEN_NIC_REG(0x14c),
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/* crb_rcv_ring_size */
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NETXEN_NIC_REG(0x150),
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},
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/* Jumbo frames */
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{
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/* crb_rcv_producer_offset: */
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NETXEN_NIC_REG(0x154),
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/* crb_rcv_consumer_offset: */
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NETXEN_NIC_REG(0x158),
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/* crb_globalrcv_ring: */
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NETXEN_NIC_REG(0x15c),
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/* crb_rcv_ring_size */
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NETXEN_NIC_REG(0x160),
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},
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/* LRO */
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{
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/* crb_rcv_producer_offset: */
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NETXEN_NIC_REG(0x164),
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/* crb_rcv_consumer_offset: */
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NETXEN_NIC_REG(0x168),
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/* crb_globalrcv_ring: */
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NETXEN_NIC_REG(0x16c),
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/* crb_rcv_ring_size */
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NETXEN_NIC_REG(0x170),
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}
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},
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/* crb_rcvstatus_ring: */
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NETXEN_NIC_REG(0x174),
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/* crb_rcv_status_producer: */
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NETXEN_NIC_REG(0x178),
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/* crb_rcv_status_consumer: */
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NETXEN_NIC_REG(0x17c),
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/* crb_rcvpeg_state: */
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NETXEN_NIC_REG(0x180),
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/* crb_status_ring_size */
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NETXEN_NIC_REG(0x184),
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},
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};
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u64 ctx_addr_sig_regs[][3] = {
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{NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
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{NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
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{NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
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{NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
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};
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/* PCI Windowing for DDR regions. */
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#define ADDR_IN_RANGE(addr, low, high) \
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(((addr) <= (high)) && ((addr) >= (low)))
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#define NETXEN_FLASH_BASE (BOOTLD_START)
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#define NETXEN_PHANTOM_MEM_BASE (NETXEN_FLASH_BASE)
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#define NETXEN_MAX_MTU 8000 + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE
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#define NETXEN_MIN_MTU 64
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#define NETXEN_ETH_FCS_SIZE 4
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#define NETXEN_ENET_HEADER_SIZE 14
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#define NETXEN_WINDOW_ONE 0x2000000 /*CRB Window: bit 25 of CRB address */
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#define NETXEN_FIRMWARE_LEN ((16 * 1024) / 4)
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#define NETXEN_NIU_HDRSIZE (0x1 << 6)
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#define NETXEN_NIU_TLRSIZE (0x1 << 5)
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#define lower32(x) ((u32)((x) & 0xffffffff))
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#define upper32(x) \
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((u32)(((unsigned long long)(x) >> 32) & 0xffffffff))
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#define NETXEN_NIC_ZERO_PAUSE_ADDR 0ULL
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#define NETXEN_NIC_UNIT_PAUSE_ADDR 0x200ULL
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#define NETXEN_NIC_EPG_PAUSE_ADDR1 0x2200010000c28001ULL
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#define NETXEN_NIC_EPG_PAUSE_ADDR2 0x0100088866554433ULL
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#define NETXEN_NIC_WINDOW_MARGIN 0x100000
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unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
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unsigned long long addr);
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void netxen_free_hw_resources(struct netxen_adapter *adapter);
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int netxen_nic_set_mac(struct net_device *netdev, void *p)
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{
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struct netxen_adapter *adapter = netdev_priv(netdev);
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struct sockaddr *addr = p;
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if (netif_running(netdev))
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return -EBUSY;
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if (!is_valid_ether_addr(addr->sa_data))
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return -EADDRNOTAVAIL;
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DPRINTK(INFO, "valid ether addr\n");
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memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
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if (adapter->macaddr_set)
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adapter->macaddr_set(adapter, addr->sa_data);
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return 0;
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}
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/*
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* netxen_nic_set_multi - Multicast
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*/
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void netxen_nic_set_multi(struct net_device *netdev)
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{
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struct netxen_adapter *adapter = netdev_priv(netdev);
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struct dev_mc_list *mc_ptr;
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__u32 netxen_mac_addr_cntl_data = 0;
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mc_ptr = netdev->mc_list;
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if (netdev->flags & IFF_PROMISC) {
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if (adapter->set_promisc)
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adapter->set_promisc(adapter,
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NETXEN_NIU_PROMISC_MODE);
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} else {
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if (adapter->unset_promisc &&
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adapter->ahw.boardcfg.board_type
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!= NETXEN_BRDTYPE_P2_SB31_10G_IMEZ)
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adapter->unset_promisc(adapter,
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NETXEN_NIU_NON_PROMISC_MODE);
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}
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if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
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netxen_nic_mcr_set_mode_select(netxen_mac_addr_cntl_data, 0x03);
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netxen_nic_mcr_set_id_pool0(netxen_mac_addr_cntl_data, 0x00);
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netxen_nic_mcr_set_id_pool1(netxen_mac_addr_cntl_data, 0x00);
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netxen_nic_mcr_set_id_pool2(netxen_mac_addr_cntl_data, 0x00);
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netxen_nic_mcr_set_id_pool3(netxen_mac_addr_cntl_data, 0x00);
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netxen_nic_mcr_set_enable_xtnd0(netxen_mac_addr_cntl_data);
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netxen_nic_mcr_set_enable_xtnd1(netxen_mac_addr_cntl_data);
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netxen_nic_mcr_set_enable_xtnd2(netxen_mac_addr_cntl_data);
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netxen_nic_mcr_set_enable_xtnd3(netxen_mac_addr_cntl_data);
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} else {
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netxen_nic_mcr_set_mode_select(netxen_mac_addr_cntl_data, 0x00);
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netxen_nic_mcr_set_id_pool0(netxen_mac_addr_cntl_data, 0x00);
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netxen_nic_mcr_set_id_pool1(netxen_mac_addr_cntl_data, 0x01);
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netxen_nic_mcr_set_id_pool2(netxen_mac_addr_cntl_data, 0x02);
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netxen_nic_mcr_set_id_pool3(netxen_mac_addr_cntl_data, 0x03);
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}
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writel(netxen_mac_addr_cntl_data,
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NETXEN_CRB_NORMALIZE(adapter, NETXEN_MAC_ADDR_CNTL_REG));
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if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
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writel(netxen_mac_addr_cntl_data,
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NETXEN_CRB_NORMALIZE(adapter,
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NETXEN_MULTICAST_ADDR_HI_0));
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} else {
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writel(netxen_mac_addr_cntl_data,
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NETXEN_CRB_NORMALIZE(adapter,
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NETXEN_MULTICAST_ADDR_HI_1));
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}
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netxen_mac_addr_cntl_data = 0;
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writel(netxen_mac_addr_cntl_data,
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NETXEN_CRB_NORMALIZE(adapter, NETXEN_NIU_GB_DROP_WRONGADDR));
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}
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/*
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* netxen_nic_change_mtu - Change the Maximum Transfer Unit
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* @returns 0 on success, negative on failure
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*/
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int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
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{
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struct netxen_adapter *adapter = netdev_priv(netdev);
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int eff_mtu = mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE;
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if ((eff_mtu > NETXEN_MAX_MTU) || (eff_mtu < NETXEN_MIN_MTU)) {
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printk(KERN_ERR "%s: %s %d is not supported.\n",
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netxen_nic_driver_name, netdev->name, mtu);
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return -EINVAL;
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}
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if (adapter->set_mtu)
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adapter->set_mtu(adapter, mtu);
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netdev->mtu = mtu;
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return 0;
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}
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/*
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* check if the firmware has been downloaded and ready to run and
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* setup the address for the descriptors in the adapter
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*/
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int netxen_nic_hw_resources(struct netxen_adapter *adapter)
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{
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struct netxen_hardware_context *hw = &adapter->ahw;
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u32 state = 0;
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void *addr;
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int loops = 0, err = 0;
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int ctx, ring;
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u32 card_cmdring = 0;
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struct netxen_recv_context *recv_ctx;
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struct netxen_rcv_desc_ctx *rcv_desc;
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DPRINTK(INFO, "crb_base: %lx %x", NETXEN_PCI_CRBSPACE,
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PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCI_CRBSPACE));
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DPRINTK(INFO, "cam base: %lx %x", NETXEN_CRB_CAM,
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pci_base_offset(adapter, NETXEN_CRB_CAM));
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DPRINTK(INFO, "cam RAM: %lx %x", NETXEN_CAM_RAM_BASE,
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pci_base_offset(adapter, NETXEN_CAM_RAM_BASE));
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/* Window 1 call */
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card_cmdring = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_CMDRING));
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DPRINTK(INFO, "Command Peg sends 0x%x for cmdring base\n",
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card_cmdring);
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for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
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DPRINTK(INFO, "Command Peg ready..waiting for rcv peg\n");
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loops = 0;
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state = 0;
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/* Window 1 call */
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state = readl(NETXEN_CRB_NORMALIZE(adapter,
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recv_crb_registers[ctx].
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crb_rcvpeg_state));
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while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20) {
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udelay(100);
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/* Window 1 call */
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state = readl(NETXEN_CRB_NORMALIZE(adapter,
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recv_crb_registers
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[ctx].
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crb_rcvpeg_state));
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loops++;
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}
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if (loops >= 20) {
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printk(KERN_ERR "Rcv Peg initialization not complete:"
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"%x.\n", state);
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err = -EIO;
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return err;
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}
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}
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DPRINTK(INFO, "Recieve Peg ready too. starting stuff\n");
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addr = netxen_alloc(adapter->ahw.pdev,
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sizeof(struct netxen_ring_ctx) +
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sizeof(uint32_t),
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(dma_addr_t *) & adapter->ctx_desc_phys_addr,
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&adapter->ctx_desc_pdev);
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printk(KERN_INFO "ctx_desc_phys_addr: 0x%llx\n",
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(unsigned long long) adapter->ctx_desc_phys_addr);
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if (addr == NULL) {
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DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
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err = -ENOMEM;
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return err;
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}
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memset(addr, 0, sizeof(struct netxen_ring_ctx));
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adapter->ctx_desc = (struct netxen_ring_ctx *)addr;
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adapter->ctx_desc->cmd_consumer_offset =
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cpu_to_le64(adapter->ctx_desc_phys_addr +
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sizeof(struct netxen_ring_ctx));
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adapter->cmd_consumer = (uint32_t *) (((char *)addr) +
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sizeof(struct netxen_ring_ctx));
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addr = netxen_alloc(adapter->ahw.pdev,
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sizeof(struct cmd_desc_type0) *
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adapter->max_tx_desc_count,
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(dma_addr_t *) & hw->cmd_desc_phys_addr,
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&adapter->ahw.cmd_desc_pdev);
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printk(KERN_INFO "cmd_desc_phys_addr: 0x%llx\n",
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(unsigned long long) hw->cmd_desc_phys_addr);
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if (addr == NULL) {
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DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
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netxen_free_hw_resources(adapter);
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return -ENOMEM;
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}
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adapter->ctx_desc->cmd_ring_addr =
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cpu_to_le64(hw->cmd_desc_phys_addr);
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adapter->ctx_desc->cmd_ring_size =
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cpu_to_le32(adapter->max_tx_desc_count);
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hw->cmd_desc_head = (struct cmd_desc_type0 *)addr;
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for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
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recv_ctx = &adapter->recv_ctx[ctx];
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for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
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rcv_desc = &recv_ctx->rcv_desc[ring];
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addr = netxen_alloc(adapter->ahw.pdev,
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RCV_DESC_RINGSIZE,
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&rcv_desc->phys_addr,
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&rcv_desc->phys_pdev);
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if (addr == NULL) {
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DPRINTK(ERR, "bad return from "
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"pci_alloc_consistent\n");
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netxen_free_hw_resources(adapter);
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err = -ENOMEM;
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return err;
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}
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rcv_desc->desc_head = (struct rcv_desc *)addr;
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adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr =
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cpu_to_le64(rcv_desc->phys_addr);
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adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size =
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cpu_to_le32(rcv_desc->max_rx_desc_count);
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}
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addr = netxen_alloc(adapter->ahw.pdev, STATUS_DESC_RINGSIZE,
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&recv_ctx->rcv_status_desc_phys_addr,
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&recv_ctx->rcv_status_desc_pdev);
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if (addr == NULL) {
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DPRINTK(ERR, "bad return from"
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" pci_alloc_consistent\n");
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netxen_free_hw_resources(adapter);
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err = -ENOMEM;
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return err;
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}
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recv_ctx->rcv_status_desc_head = (struct status_desc *)addr;
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adapter->ctx_desc->sts_ring_addr =
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cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
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adapter->ctx_desc->sts_ring_size =
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cpu_to_le32(adapter->max_rx_desc_count);
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}
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/* Window = 1 */
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writel(lower32(adapter->ctx_desc_phys_addr),
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NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_LO));
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writel(upper32(adapter->ctx_desc_phys_addr),
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NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_HI));
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writel(NETXEN_CTX_SIGNATURE,
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NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_SIGNATURE_REG));
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return err;
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}
|
|
|
|
void netxen_free_hw_resources(struct netxen_adapter *adapter)
|
|
{
|
|
struct netxen_recv_context *recv_ctx;
|
|
struct netxen_rcv_desc_ctx *rcv_desc;
|
|
int ctx, ring;
|
|
|
|
if (adapter->ctx_desc != NULL) {
|
|
pci_free_consistent(adapter->ctx_desc_pdev,
|
|
sizeof(struct netxen_ring_ctx) +
|
|
sizeof(uint32_t),
|
|
adapter->ctx_desc,
|
|
adapter->ctx_desc_phys_addr);
|
|
adapter->ctx_desc = NULL;
|
|
}
|
|
|
|
if (adapter->ahw.cmd_desc_head != NULL) {
|
|
pci_free_consistent(adapter->ahw.cmd_desc_pdev,
|
|
sizeof(struct cmd_desc_type0) *
|
|
adapter->max_tx_desc_count,
|
|
adapter->ahw.cmd_desc_head,
|
|
adapter->ahw.cmd_desc_phys_addr);
|
|
adapter->ahw.cmd_desc_head = NULL;
|
|
}
|
|
/* Special handling: there are 2 ports on this board */
|
|
if (adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) {
|
|
adapter->ahw.max_ports = 2;
|
|
}
|
|
|
|
for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
|
|
recv_ctx = &adapter->recv_ctx[ctx];
|
|
for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
|
|
rcv_desc = &recv_ctx->rcv_desc[ring];
|
|
|
|
if (rcv_desc->desc_head != NULL) {
|
|
pci_free_consistent(rcv_desc->phys_pdev,
|
|
RCV_DESC_RINGSIZE,
|
|
rcv_desc->desc_head,
|
|
rcv_desc->phys_addr);
|
|
rcv_desc->desc_head = NULL;
|
|
}
|
|
}
|
|
|
|
if (recv_ctx->rcv_status_desc_head != NULL) {
|
|
pci_free_consistent(recv_ctx->rcv_status_desc_pdev,
|
|
STATUS_DESC_RINGSIZE,
|
|
recv_ctx->rcv_status_desc_head,
|
|
recv_ctx->
|
|
rcv_status_desc_phys_addr);
|
|
recv_ctx->rcv_status_desc_head = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
void netxen_tso_check(struct netxen_adapter *adapter,
|
|
struct cmd_desc_type0 *desc, struct sk_buff *skb)
|
|
{
|
|
if (desc->mss) {
|
|
desc->total_hdr_length = (sizeof(struct ethhdr) +
|
|
ip_hdrlen(skb) + tcp_hdrlen(skb));
|
|
netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO);
|
|
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
|
|
if (ip_hdr(skb)->protocol == IPPROTO_TCP) {
|
|
netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT);
|
|
} else if (ip_hdr(skb)->protocol == IPPROTO_UDP) {
|
|
netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT);
|
|
} else {
|
|
return;
|
|
}
|
|
}
|
|
desc->tcp_hdr_offset = skb_transport_offset(skb);
|
|
desc->ip_hdr_offset = skb_network_offset(skb);
|
|
}
|
|
|
|
int netxen_is_flash_supported(struct netxen_adapter *adapter)
|
|
{
|
|
const int locs[] = { 0, 0x4, 0x100, 0x4000, 0x4128 };
|
|
int addr, val01, val02, i, j;
|
|
|
|
/* if the flash size less than 4Mb, make huge war cry and die */
|
|
for (j = 1; j < 4; j++) {
|
|
addr = j * NETXEN_NIC_WINDOW_MARGIN;
|
|
for (i = 0; i < (sizeof(locs) / sizeof(locs[0])); i++) {
|
|
if (netxen_rom_fast_read(adapter, locs[i], &val01) == 0
|
|
&& netxen_rom_fast_read(adapter, (addr + locs[i]),
|
|
&val02) == 0) {
|
|
if (val01 == val02)
|
|
return -1;
|
|
} else
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
|
|
int size, u32 * buf)
|
|
{
|
|
int i, addr;
|
|
u32 *ptr32;
|
|
|
|
addr = base;
|
|
ptr32 = buf;
|
|
for (i = 0; i < size / sizeof(u32); i++) {
|
|
if (netxen_rom_fast_read(adapter, addr, ptr32) == -1)
|
|
return -1;
|
|
*ptr32 = cpu_to_le32(*ptr32);
|
|
ptr32++;
|
|
addr += sizeof(u32);
|
|
}
|
|
if ((char *)buf + size > (char *)ptr32) {
|
|
u32 local;
|
|
|
|
if (netxen_rom_fast_read(adapter, addr, &local) == -1)
|
|
return -1;
|
|
local = cpu_to_le32(local);
|
|
memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[])
|
|
{
|
|
u32 *pmac = (u32 *) & mac[0];
|
|
|
|
if (netxen_get_flash_block(adapter,
|
|
USER_START +
|
|
offsetof(struct netxen_new_user_info,
|
|
mac_addr),
|
|
FLASH_NUM_PORTS * sizeof(u64), pmac) == -1) {
|
|
return -1;
|
|
}
|
|
if (*mac == ~0ULL) {
|
|
if (netxen_get_flash_block(adapter,
|
|
USER_START_OLD +
|
|
offsetof(struct netxen_user_old_info,
|
|
mac_addr),
|
|
FLASH_NUM_PORTS * sizeof(u64),
|
|
pmac) == -1)
|
|
return -1;
|
|
if (*mac == ~0ULL)
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Changes the CRB window to the specified window.
|
|
*/
|
|
void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
|
|
{
|
|
void __iomem *offset;
|
|
u32 tmp;
|
|
int count = 0;
|
|
|
|
if (adapter->curr_window == wndw)
|
|
return;
|
|
switch(adapter->ahw.pci_func) {
|
|
case 0:
|
|
offset = PCI_OFFSET_SECOND_RANGE(adapter,
|
|
NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW));
|
|
break;
|
|
case 1:
|
|
offset = PCI_OFFSET_SECOND_RANGE(adapter,
|
|
NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F1));
|
|
break;
|
|
case 2:
|
|
offset = PCI_OFFSET_SECOND_RANGE(adapter,
|
|
NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F2));
|
|
break;
|
|
case 3:
|
|
offset = PCI_OFFSET_SECOND_RANGE(adapter,
|
|
NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F3));
|
|
break;
|
|
default:
|
|
printk(KERN_INFO "Changing the window for PCI function"
|
|
"%d\n", adapter->ahw.pci_func);
|
|
offset = PCI_OFFSET_SECOND_RANGE(adapter,
|
|
NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW));
|
|
break;
|
|
}
|
|
/*
|
|
* Move the CRB window.
|
|
* We need to write to the "direct access" region of PCI
|
|
* to avoid a race condition where the window register has
|
|
* not been successfully written across CRB before the target
|
|
* register address is received by PCI. The direct region bypasses
|
|
* the CRB bus.
|
|
*/
|
|
|
|
if (wndw & 0x1)
|
|
wndw = NETXEN_WINDOW_ONE;
|
|
|
|
writel(wndw, offset);
|
|
|
|
/* MUST make sure window is set before we forge on... */
|
|
while ((tmp = readl(offset)) != wndw) {
|
|
printk(KERN_WARNING "%s: %s WARNING: CRB window value not "
|
|
"registered properly: 0x%08x.\n",
|
|
netxen_nic_driver_name, __FUNCTION__, tmp);
|
|
mdelay(1);
|
|
if (count >= 10)
|
|
break;
|
|
count++;
|
|
}
|
|
|
|
adapter->curr_window = wndw;
|
|
}
|
|
|
|
void netxen_load_firmware(struct netxen_adapter *adapter)
|
|
{
|
|
int i;
|
|
u32 data, size = 0;
|
|
u32 flashaddr = NETXEN_FLASH_BASE, memaddr = NETXEN_PHANTOM_MEM_BASE;
|
|
u64 off;
|
|
void __iomem *addr;
|
|
|
|
size = NETXEN_FIRMWARE_LEN;
|
|
writel(1, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
|
|
|
|
for (i = 0; i < size; i++) {
|
|
if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0) {
|
|
DPRINTK(ERR,
|
|
"Error in netxen_rom_fast_read(). Will skip"
|
|
"loading flash image\n");
|
|
return;
|
|
}
|
|
off = netxen_nic_pci_set_window(adapter, memaddr);
|
|
addr = pci_base_offset(adapter, off);
|
|
writel(data, addr);
|
|
flashaddr += 4;
|
|
memaddr += 4;
|
|
}
|
|
udelay(100);
|
|
/* make sure Casper is powered on */
|
|
writel(0x3fff,
|
|
NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL));
|
|
writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
|
|
|
|
udelay(100);
|
|
}
|
|
|
|
int
|
|
netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
|
|
int len)
|
|
{
|
|
void __iomem *addr;
|
|
|
|
if (ADDR_IN_WINDOW1(off)) {
|
|
addr = NETXEN_CRB_NORMALIZE(adapter, off);
|
|
} else { /* Window 0 */
|
|
addr = pci_base_offset(adapter, off);
|
|
netxen_nic_pci_change_crbwindow(adapter, 0);
|
|
}
|
|
|
|
DPRINTK(INFO, "writing to base %lx offset %llx addr %p"
|
|
" data %llx len %d\n",
|
|
pci_base(adapter, off), off, addr,
|
|
*(unsigned long long *)data, len);
|
|
if (!addr) {
|
|
netxen_nic_pci_change_crbwindow(adapter, 1);
|
|
return 1;
|
|
}
|
|
|
|
switch (len) {
|
|
case 1:
|
|
writeb(*(u8 *) data, addr);
|
|
break;
|
|
case 2:
|
|
writew(*(u16 *) data, addr);
|
|
break;
|
|
case 4:
|
|
writel(*(u32 *) data, addr);
|
|
break;
|
|
case 8:
|
|
writeq(*(u64 *) data, addr);
|
|
break;
|
|
default:
|
|
DPRINTK(INFO,
|
|
"writing data %lx to offset %llx, num words=%d\n",
|
|
*(unsigned long *)data, off, (len >> 3));
|
|
|
|
netxen_nic_hw_block_write64((u64 __iomem *) data, addr,
|
|
(len >> 3));
|
|
break;
|
|
}
|
|
if (!ADDR_IN_WINDOW1(off))
|
|
netxen_nic_pci_change_crbwindow(adapter, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
|
|
int len)
|
|
{
|
|
void __iomem *addr;
|
|
|
|
if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
|
|
addr = NETXEN_CRB_NORMALIZE(adapter, off);
|
|
} else { /* Window 0 */
|
|
addr = pci_base_offset(adapter, off);
|
|
netxen_nic_pci_change_crbwindow(adapter, 0);
|
|
}
|
|
|
|
DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
|
|
pci_base(adapter, off), off, addr);
|
|
if (!addr) {
|
|
netxen_nic_pci_change_crbwindow(adapter, 1);
|
|
return 1;
|
|
}
|
|
switch (len) {
|
|
case 1:
|
|
*(u8 *) data = readb(addr);
|
|
break;
|
|
case 2:
|
|
*(u16 *) data = readw(addr);
|
|
break;
|
|
case 4:
|
|
*(u32 *) data = readl(addr);
|
|
break;
|
|
case 8:
|
|
*(u64 *) data = readq(addr);
|
|
break;
|
|
default:
|
|
netxen_nic_hw_block_read64((u64 __iomem *) data, addr,
|
|
(len >> 3));
|
|
break;
|
|
}
|
|
DPRINTK(INFO, "read %lx\n", *(unsigned long *)data);
|
|
|
|
if (!ADDR_IN_WINDOW1(off))
|
|
netxen_nic_pci_change_crbwindow(adapter, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val)
|
|
{ /* Only for window 1 */
|
|
void __iomem *addr;
|
|
|
|
addr = NETXEN_CRB_NORMALIZE(adapter, off);
|
|
DPRINTK(INFO, "writing to base %lx offset %llx addr %p data %x\n",
|
|
pci_base(adapter, off), off, addr, val);
|
|
writel(val, addr);
|
|
|
|
}
|
|
|
|
int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off)
|
|
{ /* Only for window 1 */
|
|
void __iomem *addr;
|
|
int val;
|
|
|
|
addr = NETXEN_CRB_NORMALIZE(adapter, off);
|
|
DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
|
|
pci_base(adapter, off), off, addr);
|
|
val = readl(addr);
|
|
writel(val, addr);
|
|
|
|
return val;
|
|
}
|
|
|
|
/* Change the window to 0, write and change back to window 1. */
|
|
void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value)
|
|
{
|
|
void __iomem *addr;
|
|
|
|
netxen_nic_pci_change_crbwindow(adapter, 0);
|
|
addr = pci_base_offset(adapter, index);
|
|
writel(value, addr);
|
|
netxen_nic_pci_change_crbwindow(adapter, 1);
|
|
}
|
|
|
|
/* Change the window to 0, read and change back to window 1. */
|
|
void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value)
|
|
{
|
|
void __iomem *addr;
|
|
|
|
addr = pci_base_offset(adapter, index);
|
|
|
|
netxen_nic_pci_change_crbwindow(adapter, 0);
|
|
*value = readl(addr);
|
|
netxen_nic_pci_change_crbwindow(adapter, 1);
|
|
}
|
|
|
|
int netxen_pci_set_window_warning_count = 0;
|
|
|
|
unsigned long
|
|
netxen_nic_pci_set_window(struct netxen_adapter *adapter,
|
|
unsigned long long addr)
|
|
{
|
|
static int ddr_mn_window = -1;
|
|
static int qdr_sn_window = -1;
|
|
int window;
|
|
|
|
if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
|
|
/* DDR network side */
|
|
addr -= NETXEN_ADDR_DDR_NET;
|
|
window = (addr >> 25) & 0x3ff;
|
|
if (ddr_mn_window != window) {
|
|
ddr_mn_window = window;
|
|
writel(window, PCI_OFFSET_SECOND_RANGE(adapter,
|
|
NETXEN_PCIX_PH_REG
|
|
(PCIX_MN_WINDOW)));
|
|
/* MUST make sure window is set before we forge on... */
|
|
readl(PCI_OFFSET_SECOND_RANGE(adapter,
|
|
NETXEN_PCIX_PH_REG
|
|
(PCIX_MN_WINDOW)));
|
|
}
|
|
addr -= (window * NETXEN_WINDOW_ONE);
|
|
addr += NETXEN_PCI_DDR_NET;
|
|
} else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
|
|
addr -= NETXEN_ADDR_OCM0;
|
|
addr += NETXEN_PCI_OCM0;
|
|
} else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
|
|
addr -= NETXEN_ADDR_OCM1;
|
|
addr += NETXEN_PCI_OCM1;
|
|
} else
|
|
if (ADDR_IN_RANGE
|
|
(addr, NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX)) {
|
|
/* QDR network side */
|
|
addr -= NETXEN_ADDR_QDR_NET;
|
|
window = (addr >> 22) & 0x3f;
|
|
if (qdr_sn_window != window) {
|
|
qdr_sn_window = window;
|
|
writel((window << 22),
|
|
PCI_OFFSET_SECOND_RANGE(adapter,
|
|
NETXEN_PCIX_PH_REG
|
|
(PCIX_SN_WINDOW)));
|
|
/* MUST make sure window is set before we forge on... */
|
|
readl(PCI_OFFSET_SECOND_RANGE(adapter,
|
|
NETXEN_PCIX_PH_REG
|
|
(PCIX_SN_WINDOW)));
|
|
}
|
|
addr -= (window * 0x400000);
|
|
addr += NETXEN_PCI_QDR_NET;
|
|
} else {
|
|
/*
|
|
* peg gdb frequently accesses memory that doesn't exist,
|
|
* this limits the chit chat so debugging isn't slowed down.
|
|
*/
|
|
if ((netxen_pci_set_window_warning_count++ < 8)
|
|
|| (netxen_pci_set_window_warning_count % 64 == 0))
|
|
printk("%s: Warning:netxen_nic_pci_set_window()"
|
|
" Unknown address range!\n",
|
|
netxen_nic_driver_name);
|
|
|
|
}
|
|
return addr;
|
|
}
|
|
|
|
int
|
|
netxen_nic_erase_pxe(struct netxen_adapter *adapter)
|
|
{
|
|
if (netxen_rom_fast_write(adapter, PXE_START, 0) == -1) {
|
|
printk(KERN_ERR "%s: erase pxe failed\n",
|
|
netxen_nic_driver_name);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int netxen_nic_get_board_info(struct netxen_adapter *adapter)
|
|
{
|
|
int rv = 0;
|
|
int addr = BRDCFG_START;
|
|
struct netxen_board_info *boardinfo;
|
|
int index;
|
|
u32 *ptr32;
|
|
|
|
boardinfo = &adapter->ahw.boardcfg;
|
|
ptr32 = (u32 *) boardinfo;
|
|
|
|
for (index = 0; index < sizeof(struct netxen_board_info) / sizeof(u32);
|
|
index++) {
|
|
if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) {
|
|
return -EIO;
|
|
}
|
|
ptr32++;
|
|
addr += sizeof(u32);
|
|
}
|
|
if (boardinfo->magic != NETXEN_BDINFO_MAGIC) {
|
|
printk("%s: ERROR reading %s board config."
|
|
" Read %x, expected %x\n", netxen_nic_driver_name,
|
|
netxen_nic_driver_name,
|
|
boardinfo->magic, NETXEN_BDINFO_MAGIC);
|
|
rv = -1;
|
|
}
|
|
if (boardinfo->header_version != NETXEN_BDINFO_VERSION) {
|
|
printk("%s: Unknown board config version."
|
|
" Read %x, expected %x\n", netxen_nic_driver_name,
|
|
boardinfo->header_version, NETXEN_BDINFO_VERSION);
|
|
rv = -1;
|
|
}
|
|
|
|
DPRINTK(INFO, "Discovered board type:0x%x ", boardinfo->board_type);
|
|
switch ((netxen_brdtype_t) boardinfo->board_type) {
|
|
case NETXEN_BRDTYPE_P2_SB35_4G:
|
|
adapter->ahw.board_type = NETXEN_NIC_GBE;
|
|
break;
|
|
case NETXEN_BRDTYPE_P2_SB31_10G:
|
|
case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
|
|
case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
|
|
case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
|
|
adapter->ahw.board_type = NETXEN_NIC_XGBE;
|
|
break;
|
|
case NETXEN_BRDTYPE_P1_BD:
|
|
case NETXEN_BRDTYPE_P1_SB:
|
|
case NETXEN_BRDTYPE_P1_SMAX:
|
|
case NETXEN_BRDTYPE_P1_SOCK:
|
|
adapter->ahw.board_type = NETXEN_NIC_GBE;
|
|
break;
|
|
default:
|
|
printk("%s: Unknown(%x)\n", netxen_nic_driver_name,
|
|
boardinfo->board_type);
|
|
break;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
/* NIU access sections */
|
|
|
|
int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu)
|
|
{
|
|
netxen_nic_write_w0(adapter,
|
|
NETXEN_NIU_GB_MAX_FRAME_SIZE(adapter->portnum),
|
|
new_mtu);
|
|
return 0;
|
|
}
|
|
|
|
int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu)
|
|
{
|
|
new_mtu += NETXEN_NIU_HDRSIZE + NETXEN_NIU_TLRSIZE;
|
|
if (adapter->portnum == 0)
|
|
netxen_nic_write_w0(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu);
|
|
else if (adapter->portnum == 1)
|
|
netxen_nic_write_w0(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE, new_mtu);
|
|
return 0;
|
|
}
|
|
|
|
void netxen_nic_init_niu_gb(struct netxen_adapter *adapter)
|
|
{
|
|
netxen_niu_gbe_init_port(adapter, adapter->portnum);
|
|
}
|
|
|
|
void
|
|
netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off,
|
|
int data)
|
|
{
|
|
void __iomem *addr;
|
|
|
|
if (ADDR_IN_WINDOW1(off)) {
|
|
writel(data, NETXEN_CRB_NORMALIZE(adapter, off));
|
|
} else {
|
|
netxen_nic_pci_change_crbwindow(adapter, 0);
|
|
addr = pci_base_offset(adapter, off);
|
|
writel(data, addr);
|
|
netxen_nic_pci_change_crbwindow(adapter, 1);
|
|
}
|
|
}
|
|
|
|
void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
|
|
{
|
|
__u32 status;
|
|
__u32 autoneg;
|
|
__u32 mode;
|
|
|
|
netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode);
|
|
if (netxen_get_niu_enable_ge(mode)) { /* Gb 10/100/1000 Mbps mode */
|
|
if (adapter->phy_read
|
|
&& adapter->
|
|
phy_read(adapter,
|
|
NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
|
|
&status) == 0) {
|
|
if (netxen_get_phy_link(status)) {
|
|
switch (netxen_get_phy_speed(status)) {
|
|
case 0:
|
|
adapter->link_speed = SPEED_10;
|
|
break;
|
|
case 1:
|
|
adapter->link_speed = SPEED_100;
|
|
break;
|
|
case 2:
|
|
adapter->link_speed = SPEED_1000;
|
|
break;
|
|
default:
|
|
adapter->link_speed = -1;
|
|
break;
|
|
}
|
|
switch (netxen_get_phy_duplex(status)) {
|
|
case 0:
|
|
adapter->link_duplex = DUPLEX_HALF;
|
|
break;
|
|
case 1:
|
|
adapter->link_duplex = DUPLEX_FULL;
|
|
break;
|
|
default:
|
|
adapter->link_duplex = -1;
|
|
break;
|
|
}
|
|
if (adapter->phy_read
|
|
&& adapter->
|
|
phy_read(adapter,
|
|
NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
|
|
&autoneg) != 0)
|
|
adapter->link_autoneg = autoneg;
|
|
} else
|
|
goto link_down;
|
|
} else {
|
|
link_down:
|
|
adapter->link_speed = -1;
|
|
adapter->link_duplex = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void netxen_nic_flash_print(struct netxen_adapter *adapter)
|
|
{
|
|
int valid = 1;
|
|
u32 fw_major = 0;
|
|
u32 fw_minor = 0;
|
|
u32 fw_build = 0;
|
|
char brd_name[NETXEN_MAX_SHORT_NAME];
|
|
struct netxen_new_user_info user_info;
|
|
int i, addr = USER_START;
|
|
u32 *ptr32;
|
|
|
|
struct netxen_board_info *board_info = &(adapter->ahw.boardcfg);
|
|
if (board_info->magic != NETXEN_BDINFO_MAGIC) {
|
|
printk
|
|
("NetXen Unknown board config, Read 0x%x expected as 0x%x\n",
|
|
board_info->magic, NETXEN_BDINFO_MAGIC);
|
|
valid = 0;
|
|
}
|
|
if (board_info->header_version != NETXEN_BDINFO_VERSION) {
|
|
printk("NetXen Unknown board config version."
|
|
" Read %x, expected %x\n",
|
|
board_info->header_version, NETXEN_BDINFO_VERSION);
|
|
valid = 0;
|
|
}
|
|
if (valid) {
|
|
ptr32 = (u32 *) & user_info;
|
|
for (i = 0;
|
|
i < sizeof(struct netxen_new_user_info) / sizeof(u32);
|
|
i++) {
|
|
if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) {
|
|
printk("%s: ERROR reading %s board userarea.\n",
|
|
netxen_nic_driver_name,
|
|
netxen_nic_driver_name);
|
|
return;
|
|
}
|
|
*ptr32 = le32_to_cpu(*ptr32);
|
|
ptr32++;
|
|
addr += sizeof(u32);
|
|
}
|
|
get_brd_name_by_type(board_info->board_type, brd_name);
|
|
|
|
printk("NetXen %s Board S/N %s Chip id 0x%x\n",
|
|
brd_name, user_info.serial_num, board_info->chip_id);
|
|
|
|
printk("NetXen %s Board #%d, Chip id 0x%x\n",
|
|
board_info->board_type == 0x0b ? "XGB" : "GBE",
|
|
board_info->board_num, board_info->chip_id);
|
|
fw_major = readl(NETXEN_CRB_NORMALIZE(adapter,
|
|
NETXEN_FW_VERSION_MAJOR));
|
|
fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter,
|
|
NETXEN_FW_VERSION_MINOR));
|
|
fw_build =
|
|
readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB));
|
|
|
|
printk("NetXen Firmware version %d.%d.%d\n", fw_major, fw_minor,
|
|
fw_build);
|
|
}
|
|
if (fw_major != _NETXEN_NIC_LINUX_MAJOR) {
|
|
printk(KERN_ERR "The mismatch in driver version and firmware "
|
|
"version major number\n"
|
|
"Driver version major number = %d \t"
|
|
"Firmware version major number = %d \n",
|
|
_NETXEN_NIC_LINUX_MAJOR, fw_major);
|
|
adapter->driver_mismatch = 1;
|
|
}
|
|
if (fw_minor != _NETXEN_NIC_LINUX_MINOR &&
|
|
fw_minor != (_NETXEN_NIC_LINUX_MINOR + 1)) {
|
|
printk(KERN_ERR "The mismatch in driver version and firmware "
|
|
"version minor number\n"
|
|
"Driver version minor number = %d \t"
|
|
"Firmware version minor number = %d \n",
|
|
_NETXEN_NIC_LINUX_MINOR, fw_minor);
|
|
adapter->driver_mismatch = 1;
|
|
}
|
|
if (adapter->driver_mismatch)
|
|
printk(KERN_INFO "Use the driver with version no %d.%d.xxx\n",
|
|
fw_major, fw_minor);
|
|
}
|
|
|