* Re: [PATCH 4/9] Resending NetXen 1G/10G NIC driver patch
2006-05-25 10:53 [PATCH 4/9] Resending NetXen 1G/10G NIC driver patch Linsys Contractor Amit S. Kale
@ 2006-05-26 14:18 ` Pradeep Dalvi
0 siblings, 0 replies; 2+ messages in thread
From: Pradeep Dalvi @ 2006-05-26 14:18 UTC (permalink / raw)
To: Linsys Contractor Amit S. Kale
Cc: Sanjeev Jorapur, UNM Project Staff, Kernel Netdev Mailing List
diff -u linux-2.6.16.18/drivers/net/netxen/netxen_nic_hw.c
linux-2.6.16.18/drivers/net/netxen/netxen_nic_hw.c
--- linux-2.6.16.18/drivers/net/netxen/netxen_nic_hw.c 2006-05-25
02:43:22.000000000 -0700
+++ linux-2.6.16.18/drivers/net/netxen/netxen_nic_hw.c 2006-05-26
04:05:34.000000000 -0700
@@ -61,7 +61,6 @@
DPRINTK(INFO, "valid ether addr\n");
memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
- memcpy(port->hw.mac_addr, addr->sa_data, netdev->addr_len);
netxen_nic_macaddr_set(port, addr->sa_data);
@@ -102,7 +101,6 @@
netxen_nic_set_mtu(port, new_mtu);
netdev->mtu = new_mtu;
- port->hw.mtu = new_mtu;
return 0;
}
@@ -628,8 +626,9 @@
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)
-{ /* Change the window to 0, write and
change back to window 1. */
+{
unsigned long flags;
void *addr;
@@ -641,8 +640,9 @@
write_unlock_irqrestore(&adapter->adapter_lock, flags);
}
+/* 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)
-{ /* Change the window to 0, read and
change back to window 1. */
+{
unsigned long flags;
void *addr;
@@ -1188,7 +1188,6 @@
NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
(netxen_crbword_t *) & status)
== 0) {
if (status.link) {
- port->state = 1;
switch (status.speed) {
case 0:
port->link_speed = SPEED_10;
@@ -1224,7 +1223,6 @@
goto link_down;
} else {
link_down:
- port->state = -1;
port->link_speed = -1;
port->link_duplex = -1;
}
On Thu, 2006-05-25 at 03:53 -0700, Linsys Contractor Amit S. Kale wrote:
> diff -Naru linux-2.6.16.18.orig/drivers/net/netxen/netxen_nic_hw.c linux-2.6.16.18/drivers/net/netxen/netxen_nic_hw.c
> --- linux-2.6.16.18.orig/drivers/net/netxen/netxen_nic_hw.c 1969-12-31 16:00:00.000000000 -0800
> +++ linux-2.6.16.18/drivers/net/netxen/netxen_nic_hw.c 2006-05-25 02:43:22.000000000 -0700
> @@ -0,0 +1,1289 @@
> +/*
> + * 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 <linux/delay.h>
> +#include <linux/netdevice.h>
> +#include <linux/ethtool.h>
> +#include <linux/version.h>
> +#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)))
> +
> +static unsigned long netxen_nic_pci_set_window(unsigned long long pci_base,
> + 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 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);
> + memcpy(port->hw.mac_addr, addr->sa_data, netdev->addr_len);
> +
> + netxen_nic_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 dev_mc_list *mc_ptr;
> +
> + mc_ptr = netdev->mc_list;
> + if (netdev->flags & IFF_PROMISC)
> + netxen_nic_set_promisc_mode(port);
> + else
> + netxen_nic_unset_promisc_mode(port);
> +}
> +
> +/*
> + * netxen_nic_change_mtu - Change the Maximum Transfer Unit
> + * @returns 0 on success, negative on failure
> + */
> +int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu)
> +{
> + struct netxen_port *port = netdev_priv(netdev);
> +
> + if (new_mtu & 0xffff0000)
> + return -EINVAL;
> +
> + if (new_mtu > 8000) {
> + printk(KERN_ERR "%s: %s MTU > 8000 is not supported\n",
> + netxen_nic_driver_name, netdev->name);
> + return -EINVAL;
> + }
> +
> + netxen_nic_set_mtu(port, new_mtu);
> + netdev->mtu = new_mtu;
> + port->hw.mtu = new_mtu;
> +
> + return 0;
> +}
> +
> +/*
> + * check if the firmware has been downloaded and ready to run and
> + * setup the address for the descriptors in the adapter
> + */
> +int netxen_nic_hw_resources(struct netxen_adapter *adapter)
> +{
> + struct netxen_hardware_context *hw = &adapter->ahw;
> + int i;
> + u32 state = 0;
> + void *addr;
> + int loops = 0, err = 0;
> + int ctx, ring;
> + u32 card_cmdring = 0;
> + struct netxen_rcv_desc_crb *rcv_desc_crb = NULL;
> + struct netxen_recv_context *recv_ctx;
> + struct netxen_rcv_desc_ctx *rcv_desc;
> + struct cmd_desc_type0_t *pcmd;
> +
> + DPRINTK(INFO, "pci_base: %lx\n", adapter->ahw.pci_base);
> + DPRINTK(INFO, "crb_base: %lx %lx", NETXEN_PCI_CRBSPACE,
> + adapter->ahw.pci_base + NETXEN_PCI_CRBSPACE);
> + DPRINTK(INFO, "cam base: %lx %lx", NETXEN_CRB_CAM,
> + adapter->ahw.pci_base + NETXEN_CRB_CAM);
> + DPRINTK(INFO, "cam RAM: %lx %lx", NETXEN_CAM_RAM_BASE,
> + adapter->ahw.pci_base + NETXEN_CAM_RAM_BASE);
> + DPRINTK(INFO, "NIC base:%lx %lx\n", NIC_CRB_BASE_PORT1,
> + adapter->ahw.pci_base + NIC_CRB_BASE_PORT1);
> +
> + /* Window 1 call */
> + read_lock(&adapter->adapter_lock);
> + card_cmdring = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_CMDRING));
> + read_unlock(&adapter->adapter_lock);
> +
> + DPRINTK(INFO, "Command Peg sends 0x%x for cmdring base\n",
> + card_cmdring);
> +
> + for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
> + DPRINTK(INFO, "Command Peg ready..waiting for rcv peg\n");
> + loops = 0;
> + state = 0;
> + /* Window 1 call */
> + read_lock(&adapter->adapter_lock);
> + state = readl(NETXEN_CRB_NORMALIZE(adapter,
> + recv_crb_registers[ctx].
> + crb_rcvpeg_state));
> + read_unlock(&adapter->adapter_lock);
> +
> + while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20) {
> + udelay(100);
> + /* Window 1 call */
> + read_lock(&adapter->adapter_lock);
> + state = readl(NETXEN_CRB_NORMALIZE(adapter,
> + recv_crb_registers
> + [ctx].
> + crb_rcvpeg_state));
> + read_unlock(&adapter->adapter_lock);
> +
> + loops++;
> + }
> + if (loops >= 20) {
> + printk(KERN_ERR "Rcv Peg initialization not complete:"
> + "%x.\n", state);
> + err = -EIO;
> + return err;
> + }
> + }
> + DPRINTK(INFO, "Recieve Peg ready too. starting stuff\n");
> +
> + addr = pci_alloc_consistent(adapter->ahw.pdev,
> + sizeof(struct cmd_desc_type0_t) *
> + adapter->max_tx_desc_count,
> + (dma_addr_t *) & hw->cmd_desc_phys_addr);
> + if (addr == NULL) {
> + DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
> + err = -ENOMEM;
> + return err;
> + }
> +
> + /* we need to prelink all of the cmd descriptors */
> + pcmd = (struct cmd_desc_type0_t *)addr;
> + for (i = 1; i < adapter->max_tx_desc_count; i++) {
> + pcmd->netxen_next =
> + (card_cmdring + i * sizeof(struct cmd_desc_type0_t));
> + pcmd++;
> + }
> + /* fill in last link (point to first) */
> + pcmd->netxen_next = card_cmdring;
> +
> + hw->cmd_desc_head = (struct cmd_desc_type0_t *)addr;
> +
> + 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];
> + addr = pci_alloc_consistent(adapter->ahw.pdev,
> + RCV_DESC_RINGSIZE,
> + (dma_addr_t *)
> + & rcv_desc->phys_addr);
> + if (addr == NULL) {
> + DPRINTK(ERR, "bad return from "
> + "pci_alloc_consistent\n");
> + netxen_free_hw_resources(adapter);
> + err = -ENOMEM;
> + return err;
> + }
> + rcv_desc->desc_head = (struct rcv_desc_t *)addr;
> + }
> +
> + addr = pci_alloc_consistent(adapter->ahw.pdev,
> + STATUS_DESC_RINGSIZE, (dma_addr_t *)
> + & recv_ctx->
> + rcv_status_desc_phys_addr);
> + if (addr == NULL) {
> + DPRINTK(ERR, "bad return from"
> + " pci_alloc_consistent\n");
> + netxen_free_hw_resources(adapter);
> + err = -ENOMEM;
> + return err;
> + }
> + recv_ctx->rcv_status_desc_head = (struct status_desc_t *)addr;
> +
> + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
> + rcv_desc = &recv_ctx->rcv_desc[ring];
> + rcv_desc_crb =
> + &recv_crb_registers[ctx].rcv_desc_crb[ring];
> + DPRINTK(INFO, "ring #%d crb global ring reg 0x%x\n",
> + ring, rcv_desc_crb->crb_globalrcv_ring);
> + /* Window = 1 */
> + read_lock(&adapter->adapter_lock);
> + writel(rcv_desc->phys_addr,
> + NETXEN_CRB_NORMALIZE(adapter,
> + rcv_desc_crb->
> + crb_globalrcv_ring));
> + read_unlock(&adapter->adapter_lock);
> +
> + DPRINTK(INFO, "GLOBAL_RCV_RING ctx %d, addr 0x%x"
> + " val 0x%x,"
> + " virt %p\n", ctx,
> + rcv_desc_crb->crb_globalrcv_ring,
> + rcv_desc->phys_addr, rcv_desc->desc_head);
> + }
> +
> + /* Window = 1 */
> + read_lock(&adapter->adapter_lock);
> + writel(recv_ctx->rcv_status_desc_phys_addr,
> + NETXEN_CRB_NORMALIZE(adapter,
> + recv_crb_registers[ctx].
> + crb_rcvstatus_ring));
> + read_unlock(&adapter->adapter_lock);
> +
> + DPRINTK(INFO, "RCVSTATUS_RING, ctx %d, addr 0x%x,"
> + " val 0x%x,virt%p\n",
> + ctx,
> + recv_crb_registers[ctx].crb_rcvstatus_ring,
> + recv_ctx->rcv_status_desc_phys_addr,
> + recv_ctx->rcv_status_desc_head);
> + }
> + /* Window = 1 */
> + read_lock(&adapter->adapter_lock);
> + writel(hw->cmd_desc_phys_addr,
> + NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO));
> +
> + read_unlock(&adapter->adapter_lock);
> +
> + return err;
> +}
> +
> +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->ahw.cmd_desc_head != NULL) {
> + pci_free_consistent(adapter->ahw.pdev,
> + sizeof(struct cmd_desc_type0_t) *
> + adapter->max_tx_desc_count,
> + adapter->ahw.cmd_desc_head,
> + adapter->ahw.cmd_desc_phys_addr);
> + adapter->ahw.cmd_desc_head = NULL;
> + }
> +
> + 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(adapter->ahw.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(adapter->ahw.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_t *desc, struct sk_buff *skb)
> +{
> + if (desc->mss) {
> + desc->total_hdr_length = sizeof(struct ethhdr) +
> + ((skb->nh.iph)->ihl * sizeof(u32)) +
> + ((skb->h.th)->doff * sizeof(u32));
> + desc->opcode = TX_TCP_LSO;
> + } else if (skb->ip_summed == CHECKSUM_HW) {
> + if (skb->nh.iph->protocol == IPPROTO_TCP) {
> + desc->opcode = TX_TCP_PKT;
> + } else if (skb->nh.iph->protocol == IPPROTO_UDP) {
> + desc->opcode = TX_UDP_PKT;
> + } else {
> + return;
> + }
> + }
> + desc->tcp_hdr_offset = skb->h.raw - skb->data;
> + desc->ip_hdr_offset = skb->nh.raw - skb->data;
> + adapter->stats.xmitcsummed++;
> +}
> +
> +int is_flash_supported(struct netxen_adapter *adapter)
> +{
> + 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 * 0x100000;
> + 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++;
> + addr += sizeof(u32);
> + }
> + if ((char *)buf + size > (char *)ptr32) {
> + u32 local;
> +
> + if (netxen_rom_fast_read(adapter, addr, &local) == -1)
> + return -1;
> + memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32);
> + }
> +
> + return 0;
> +}
> +
> +int 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_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)
> +{
> + struct netxen_pcix_crb_window window;
> + unsigned long offset;
> + u32 tmp;
> +
> + if (adapter->curr_window == wndw)
> + return;
> +
> + /*
> + * 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.
> + */
> + offset = adapter->ahw.pci_base + NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW);
> +
> + *(netxen_crbword_t *) & window = 0;
> + window.addrbit = wndw;
> + writel(*(unsigned int *)&window, (void *)(offset));
> +
> + /* MUST make sure window is set before we forge on... */
> + while ((tmp = readl((void *)offset)) != *(u32 *) & window)
> + printk(KERN_WARNING "%s: %s WARNING: CRB window value not "
> + "registered properly: 0x%08x.\n",
> + netxen_nic_driver_name, __FUNCTION__, tmp);
> +
> + adapter->curr_window = wndw;
> +}
> +
> +/*
> + * Set the CRB window based on the offset.
> + */
> +static inline unsigned long
> +netxen_nic_pci_set_crbwindow(struct netxen_adapter *adapter, u64 off)
> +{
> + /*
> + * See if we are currently pointing to the region we want to use next.
> + */
> +
> + if ((off >= NETXEN_CRB_PCIX_HOST) && (off < NETXEN_CRB_DDR_NET)) {
> + /*
> + * No need to change window. PCIX and PCIE regs are in both
> + * windows.
> + */
> + return off;
> + }
> +
> + if ((off >= NETXEN_CRB_PCIX_HOST) && (off < NETXEN_CRB_PCIX_HOST2)) {
> + /* We are in first CRB window */
> + if (adapter->curr_window != 0)
> + netxen_nic_pci_change_crbwindow(adapter, 0);
> +
> + return off;
> + }
> +
> + if ((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) {
> + /* We are in second CRB window */
> + off = off - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST;
> +
> + if (adapter->curr_window != 1)
> + netxen_nic_pci_change_crbwindow(adapter, 1);
> +
> + return off;
> + }
> +
> + if ((off >= NETXEN_PCI_DIRECT_CRB) && (off < NETXEN_PCI_CAMQM_MAX)) {
> + /*
> + * We are in the QM or direct access register region - do
> + * nothing
> + */
> + return off;
> + }
> +
> + /* strange address given */
> + dump_stack();
> + printk(KERN_WARNING
> + "%s: Warning: netxen_nic_pci_set_crbwindow called with"
> + " an unknown address(%llx)\n", netxen_nic_driver_name, off);
> +
> + return off;
> +}
> +
> +int
> +netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
> + int len)
> +{
> + void *addr;
> + unsigned long flags = 0;
> +
> + if (ADDR_IN_WINDOW1(off)) {
> + addr = NETXEN_CRB_NORMALIZE(adapter, off);
> + read_lock(&adapter->adapter_lock);
> + } else { /* Window 0 */
> + addr = (void *)(ptrdiff_t) (adapter->ahw.pci_base + off);
> + write_lock_irqsave(&adapter->adapter_lock, flags);
> + netxen_nic_pci_change_crbwindow(adapter, 0);
> + }
> +
> + DPRINTK(INFO, "writing to base %lx offset %llx addr %p"
> + " data %llx len %d\n",
> + adapter->ahw.pci_base, off, addr,
> + *(unsigned long long *)data, len);
> + 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_WRITE_64(data, addr, (len >> 3));
> + break;
> + }
> + if (ADDR_IN_WINDOW1(off))
> + read_unlock(&adapter->adapter_lock);
> + else { /* Window 0 */
> + netxen_nic_pci_change_crbwindow(adapter, 1);
> + write_unlock_irqrestore(&adapter->adapter_lock, flags);
> + }
> +
> + return 0;
> +}
> +
> +int
> +netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
> + int len)
> +{
> + void *addr;
> + unsigned long flags = 0;
> +
> + if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
> + addr = NETXEN_CRB_NORMALIZE(adapter, off);
> + read_lock(&adapter->adapter_lock);
> + } else { /* Window 0 */
> + addr = (void *)(ptrdiff_t) (adapter->ahw.pci_base + off);
> + write_lock_irqsave(&adapter->adapter_lock, flags);
> + netxen_nic_pci_change_crbwindow(adapter, 0);
> + }
> +
> + DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
> + adapter->ahw.pci_base, off, addr);
> + 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_READ_64(data, addr, (len >> 3));
> + break;
> + }
> + DPRINTK(INFO, "read %lx\n", *(unsigned long *)data);
> +
> + if (ADDR_IN_WINDOW1(off))
> + read_unlock(&adapter->adapter_lock);
> + else { /* Window 0 */
> + netxen_nic_pci_change_crbwindow(adapter, 1);
> + write_unlock_irqrestore(&adapter->adapter_lock, flags);
> + }
> +
> + return 0;
> +}
> +
> +void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val)
> +{ /* Only for window 1 */
> + void *addr;
> +
> + read_lock(&adapter->adapter_lock);
> +
> + if (adapter->curr_window != 1)
> + netxen_nic_pci_change_crbwindow(adapter, 1);
> + addr = NETXEN_CRB_NORMALIZE(adapter, off);
> + DPRINTK(INFO, "writing to base %lx offset %llx addr %p data %x\n",
> + adapter->ahw.pci_base, off, addr, val);
> + writel(val, addr);
> +
> + read_unlock(&adapter->adapter_lock);
> +}
> +
> +int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off)
> +{ /* Only for window 1 */
> + void *addr;
> + int val;
> +
> + read_lock(&adapter->adapter_lock);
> + addr = NETXEN_CRB_NORMALIZE(adapter, off);
> + DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
> + adapter->ahw.pci_base, off, addr);
> + val = readl(addr);
> + writel(val, addr);
> + read_unlock(&adapter->adapter_lock);
> +
> + return val;
> +}
> +
> +void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value)
> +{ /* Change the window to 0, write and change back to window 1. */
> + unsigned long flags;
> + void *addr;
> +
> + write_lock_irqsave(&adapter->adapter_lock, flags);
> + netxen_nic_pci_change_crbwindow(adapter, 0);
> + addr = (void *)(adapter->ahw.pci_base + index);
> + writel(value, addr);
> + netxen_nic_pci_change_crbwindow(adapter, 1);
> + write_unlock_irqrestore(&adapter->adapter_lock, flags);
> +}
> +
> +void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value)
> +{ /* Change the window to 0, read and change back to window 1. */
> + unsigned long flags;
> + void *addr;
> +
> + addr = (void *)(adapter->ahw.pci_base + index);
> +
> + write_lock_irqsave(&adapter->adapter_lock, flags);
> + netxen_nic_pci_change_crbwindow(adapter, 0);
> + *value = readl(addr);
> + netxen_nic_pci_change_crbwindow(adapter, 1);
> + write_unlock_irqrestore(&adapter->adapter_lock, flags);
> +}
> +
> +int netxen_pci_set_window_warning_count = 0;
> +
> +static unsigned long
> +netxen_nic_pci_set_window(unsigned long long pci_base, 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, (void *)(ptrdiff_t) (pci_base +
> + NETXEN_PCIX_PH_REG
> + (PCIX_MN_WINDOW)));
> + /* MUST make sure window is set before we forge on... */
> + readl((void *)(ptrdiff_t) (pci_base +
> + NETXEN_PCIX_PH_REG
> + (PCIX_MN_WINDOW)));
> + }
> + addr -= (window * 0x2000000);
> + 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),
> + (void *)(ptrdiff_t) (pci_base +
> + NETXEN_PCIX_PH_REG
> + (PCIX_SN_WINDOW)));
> + /* MUST make sure window is set before we forge on... */
> + readl((void *)(ptrdiff_t) (pci_base +
> + 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;
> +}
> +
> +/* read num_words from hardware (num_words in 64 bits */
> +void
> +netxen_nic_mem_block_read(struct netxen_adapter *adapter, u64 off,
> + void *data, int num_words)
> +{
> + void *addr;
> + unsigned long flags;
> +
> + write_lock_irqsave(&adapter->adapter_lock, flags);
> + off = netxen_nic_pci_set_window(adapter->ahw.pci_base, off);
> + addr = (void *)(ptrdiff_t) (adapter->ahw.pci_base + off);
> + DPRINTK(INFO, "reading from base %lx offset %lx addr %p\n",
> + adapter->ahw.pci_base, (unsigned long)off, addr);
> + NETXEN_NIC_HW_BLOCK_READ_64(data, addr, num_words);
> + write_unlock_irqrestore(&adapter->adapter_lock, flags);
> +}
> +
> +int
> +netxen_nic_pci_mem_write(struct netxen_adapter *adapter, u64 off,
> + void *data, int size)
> +{
> + unsigned long flags;
> + void *addr;
> + int ret = 0;
> +
> + write_lock_irqsave(&adapter->adapter_lock, flags);
> + off = netxen_nic_pci_set_window(adapter->ahw.pci_base, off);
> + addr = (void *)(ptrdiff_t) (adapter->ahw.pci_base + off);
> + DPRINTK(INFO, "writing data %llx to offset %llx\n",
> + *(unsigned long long *)data, off);
> + switch (size) {
> + 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:
> + ret = 1;
> + break;
> + }
> + write_unlock_irqrestore(&adapter->adapter_lock, flags);
> + DPRINTK(INFO, "wrote %llx\n", *(unsigned long long *)data);
> +
> + return ret;
> +}
> +
> +int
> +netxen_nic_pci_mem_read(struct netxen_adapter *adapter,
> + u64 off, void *data, int size)
> +{
> + unsigned long flags;
> + void *addr;
> + int ret = 0;
> +
> + if (data == NULL || off > NETXEN_MEMADDR_MAX) {
> + printk(KERN_ERR "data: %p off:%llx\n", data, off);
> + return 1;
> + }
> + write_lock_irqsave(&adapter->adapter_lock, flags);
> + off = netxen_nic_pci_set_window(adapter->ahw.pci_base, off);
> + addr = (void *)(ptrdiff_t) (adapter->ahw.pci_base + off);
> + switch (size) {
> + 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:
> + ret = 1;
> + break;
> + }
> + write_unlock_irqrestore(&adapter->adapter_lock, flags);
> + DPRINTK(INFO, "read %llx\n", *(unsigned long long *)data);
> +
> + return ret;
> +}
> +
> +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) {
> + rv = -1;
> + return rv;
> + }
> + 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;
> +}
> +
> +inline int netxen_nic_get_board_num(struct netxen_adapter *adapter)
> +{
> + return adapter->ahw.boardcfg.board_num;
> +}
> +
> +/* NIU access sections */
> +
> +/* Set the MAC address for a port */
> +int netxen_nic_macaddr_set(struct netxen_port *port, u8 * addr)
> +{
> + struct netxen_adapter *adapter = port->adapter;
> + int phy = port->portnum, ret = 0;
> +
> + if ((phy < 0) || (phy > 3))
> + return -1;
> +
> + switch (adapter->ahw.board_type) {
> + case NETXEN_NIC_GBE:
> + ret = netxen_niu_macaddr_set(adapter, phy, addr);
> + break;
> +
> + case NETXEN_NIC_XGBE:
> + ret = netxen_niu_xg_macaddr_set(adapter, phy, addr);
> + break;
> +
> + default:
> + dump_stack();
> + printk(KERN_ERR "%s: Unknown board type\n",
> + netxen_nic_driver_name);
> + ret = -1;
> + }
> +
> + return ret;
> +}
> +
> +/* Return the current MAC address of the given port. */
> +int netxen_nic_macaddr_get(struct netxen_port *port, u8 ** addr)
> +{
> + struct netxen_adapter *adapter = port->adapter;
> + int phy = port->portnum;
> + int ret = 0;
> +
> + if (addr == NULL)
> + return -1;
> + if ((phy < 0) || (phy > 3))
> + return -1;
> +
> + switch (adapter->ahw.board_type) {
> + case NETXEN_NIC_GBE:
> + ret = netxen_niu_macaddr_get(adapter, phy,
> + (netxen_ethernet_macaddr_t *) *
> + addr);
> + break;
> +
> + case NETXEN_NIC_XGBE:
> + printk(KERN_ERR "%s: Function %s is not implemented for XG\n",
> + netxen_nic_driver_name, __FUNCTION__);
> + break;
> +
> + default:
> + printk(KERN_ERR "%s: Unknown board type\n",
> + netxen_nic_driver_name);
> + ret = -1;
> + }
> +
> + return ret;
> +}
> +
> +int netxen_nic_set_mtu(struct netxen_port *port, int new_mtu)
> +{
> + struct netxen_adapter *adapter = port->adapter;
> + int ret = 0;
> +
> + switch (adapter->ahw.board_type) {
> + case NETXEN_NIC_GBE:
> + netxen_nic_write_w0(adapter,
> + NETXEN_NIU_GB_MAX_FRAME_SIZE(port->portnum),
> + new_mtu);
> +
> + break;
> +
> + case NETXEN_NIC_XGBE:
> + new_mtu += 100; /* so that MAC accepts frames > MTU */
> + netxen_nic_write_w0(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE,
> + new_mtu);
> + break;
> +
> + default:
> + printk(KERN_ERR "%s: Unknown board type\n",
> + netxen_nic_driver_name);
> + ret = -1;
> + }
> +
> + return ret;
> +}
> +
> +int netxen_nic_set_promisc_mode(struct netxen_port *port)
> +{
> + struct netxen_adapter *adapter = port->adapter;
> + int phy = port->portnum;
> + int ret = 0;
> +
> + if ((phy < 0) || (phy > 3))
> + return -1;
> +
> + switch (adapter->ahw.board_type) {
> + case NETXEN_NIC_GBE:
> + ret = netxen_niu_set_promiscuous_mode(adapter, phy,
> + NETXEN_NIU_PROMISCOUS_MODE);
> + break;
> +
> + case NETXEN_NIC_XGBE:
> + ret = netxen_niu_xg_set_promiscuous_mode(adapter, phy,
> + NETXEN_NIU_PROMISCOUS_MODE);
> +
> + break;
> +
> + default:
> + printk(KERN_ERR "%s: Unknown board type\n",
> + netxen_nic_driver_name);
> + ret = -1;
> + }
> +
> + return ret;
> +}
> +
> +int netxen_nic_unset_promisc_mode(struct netxen_port *port)
> +{
> + struct netxen_adapter *adapter = port->adapter;
> + int phy = port->portnum;
> + int ret = 0;
> +
> + if ((phy < 0) || (phy > 3))
> + return -1;
> +
> + switch (adapter->ahw.board_type) {
> + case NETXEN_NIC_GBE:
> + ret = netxen_niu_set_promiscuous_mode(adapter, phy,
> + NETXEN_NIU_NON_PROMISCOUS_MODE);
> + break;
> +
> + case NETXEN_NIC_XGBE:
> + ret = netxen_niu_xg_set_promiscuous_mode(adapter, phy,
> + NETXEN_NIU_NON_PROMISCOUS_MODE);
> +
> + break;
> +
> + default:
> + printk(KERN_ERR "%s: Unknown board type\n",
> + netxen_nic_driver_name);
> + ret = -1;
> + }
> +
> + return ret;
> +}
> +
> +long
> +netxen_nic_phy_read(struct netxen_adapter *adapter, long phy, long reg,
> + u32 * readval)
> +{
> + long ret = 0;
> +
> + switch (adapter->ahw.board_type) {
> + case NETXEN_NIC_GBE:
> + ret = netxen_niu_gbe_phy_read(adapter, phy, reg, readval);
> + break;
> +
> + case NETXEN_NIC_XGBE:
> + printk(KERN_ERR "%s: Function %s is not implemented for XG\n",
> + netxen_nic_driver_name, __FUNCTION__);
> + break;
> +
> + default:
> + printk(KERN_ERR "%s: Unknown board type\n",
> + netxen_nic_driver_name);
> + ret = -1;
> + }
> +
> + return ret;
> +}
> +
> +long netxen_nic_phy_write(struct netxen_adapter *adapter, long phy, long reg,
> + u32 val)
> +{
> + long ret = 0;
> +
> + switch (adapter->ahw.board_type) {
> + case NETXEN_NIC_GBE:
> + ret = netxen_niu_gbe_phy_write(adapter, phy, reg, val);
> + break;
> +
> + case NETXEN_NIC_XGBE:
> + printk(KERN_ERR "%s: Function %s is not implemented for XG\n",
> + netxen_nic_driver_name, __FUNCTION__);
> + break;
> +
> + default:
> + printk(KERN_ERR "%s: Unknown board type\n",
> + netxen_nic_driver_name);
> + ret = -1;
> + }
> +
> + return ret;
> +}
> +
> +long netxen_nic_init_port(struct netxen_port *port)
> +{
> + struct netxen_adapter *adapter = port->adapter;
> + long portnum = port->portnum;
> + long ret = 0;
> +
> + switch (adapter->ahw.board_type) {
> + case NETXEN_NIC_GBE:
> + netxen_nic_disable_phy_interrupts(adapter, portnum);
> + udelay(20000);
> + netxen_niu_gbe_init_port(adapter, portnum);
> +
> + break;
> +
> + case NETXEN_NIC_XGBE:
> + /* Nothing to be done for XG */
> + break;
> +
> + default:
> + printk(KERN_ERR "%s: Unknown board type\n",
> + netxen_nic_driver_name);
> + ret = -1;
> + }
> +
> + return ret;
> +}
> +
> +void netxen_nic_init_niu(struct netxen_adapter *adapter)
> +{
> + int portno;
> +
> + switch (adapter->ahw.board_type) {
> + case NETXEN_NIC_GBE:
> + for (portno = 0; portno < NETXEN_NIU_MAX_GBE_PORTS; portno++)
> + netxen_niu_gbe_init_port(adapter, portno);
> + break;
> +
> + case NETXEN_NIC_XGBE:
> + /* Do nothing */
> + break;
> +
> + default:
> + printk(KERN_ERR "%s: Unknown board type\n",
> + netxen_nic_driver_name);
> + }
> +}
> +
> +void netxen_nic_stop_port(struct netxen_port *port)
> +{
> + long portnum = port->portnum;
> + struct netxen_adapter *adapter = port->adapter;
> +
> + switch (adapter->ahw.board_type) {
> + case NETXEN_NIC_GBE:
> + netxen_niu_disable_gbe_port(adapter, portnum);
> + break;
> +
> + case NETXEN_NIC_XGBE:
> + netxen_niu_disable_xg_port(adapter, portnum);
> + break;
> +
> + default:
> + printk(KERN_ERR "%s: Unknown board type\n",
> + netxen_nic_driver_name);
> + }
> +}
> +
> +void netxen_nic_stop_all_ports(struct netxen_adapter *adapter)
> +{
> + int port_nr;
> + struct netxen_port *port;
> +
> + for (port_nr = 0; port_nr < adapter->ahw.max_ports; port_nr++) {
> + port = adapter->port[port_nr];
> + netxen_nic_stop_port(port);
> + }
> +}
> +
> +void
> +netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off,
> + int data)
> +{
> + unsigned long flags;
> + void *addr;
> +
> + if (ADDR_IN_WINDOW1(off)) {
> + read_lock(&adapter->adapter_lock);
> + writel(data, NETXEN_CRB_NORMALIZE(adapter, off));
> + read_unlock(&adapter->adapter_lock);
> + } else {
> + write_lock_irqsave(&adapter->adapter_lock, flags);
> + netxen_nic_pci_change_crbwindow(adapter, 0);
> + addr = (void *)(adapter->ahw.pci_base + off);
> + writel(data, addr);
> + netxen_nic_pci_change_crbwindow(adapter, 1);
> + write_unlock_irqrestore(&adapter->adapter_lock, flags);
> + }
> +}
> +
> +void netxen_nic_set_link_parameters(struct netxen_port *port)
> +{
> + struct netxen_adapter *adapter = port->adapter;
> + struct netxen_niu_phy_status status;
> + u16 autoneg;
> + struct netxen_niu_control mode;
> +
> + netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, (u32 *) & mode);
> + if (mode.enable_ge) { /* Gb 10/100/1000 Mbps mode */
> + if (netxen_nic_phy_read(port->adapter, port->portnum,
> + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
> + (netxen_crbword_t *) & status) == 0) {
> + if (status.link) {
> + port->state = 1;
> + switch (status.speed) {
> + case 0:
> + port->link_speed = SPEED_10;
> + break;
> + case 1:
> + port->link_speed = SPEED_100;
> + break;
> + case 2:
> + port->link_speed = SPEED_1000;
> + break;
> + default:
> + port->link_speed = -1; /* unknown speed */
> + break;
> + }
> + switch (status.duplex) {
> + case 0:
> + port->link_duplex = DUPLEX_HALF;
> + break;
> + case 1:
> + port->link_duplex = DUPLEX_FULL;
> + break;
> + default:
> + port->link_duplex = -1; /* unknown mode */
> + break;
> + }
> + if (netxen_nic_phy_read(port->adapter,
> + port->portnum,
> + NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
> + (netxen_crbword_t *) &
> + autoneg) != 0)
> + port->link_autoneg = autoneg;
> + } else
> + goto link_down;
> + } else {
> + link_down:
> + port->state = -1;
> + port->link_speed = -1;
> + port->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;
> +
> + 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) {
> + 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);
> + read_lock(&adapter->adapter_lock);
> + 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));
> + read_unlock(&adapter->adapter_lock);
> +
> + 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) {
> + 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);
> +}
>
>
>
--
pradeep
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