* [PATCH 2.6.18 1/9] NetXen: Makefile and driver main file
2006-09-27 15:27 [PATCH 2.6.18 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
@ 2006-09-27 15:31 ` Amit S. Kale
2006-09-27 15:34 ` [PATCH 2.6.18 2/9] NetXen: Hardware access routines Amit S. Kale
` (7 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Amit S. Kale @ 2006-09-27 15:31 UTC (permalink / raw)
To: netdev
Cc: Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx,
Randy Dunlap, jeff
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/MAINTAINERS linux-2.6.18/MAINTAINERS
--- linux-2.6.18.orig/MAINTAINERS 2006-09-25 02:28:24.000000000 -0700
+++ linux-2.6.18/MAINTAINERS 2006-09-25 05:02:37.000000000 -0700
@@ -2060,6 +2060,13 @@ L: netdev@vger.kernel.org
T: git kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6.git
S: Maintained
+NETXEN (1/10) GbE SUPPORT
+P: Amit S. Kale
+M: amitkale@netxen.com
+L: netdev@vger.kernel.org
+W: http://www.netxen.com
+S: Supported
+
IPVS
P: Wensong Zhang
M: wensong@linux-vs.org
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/Kconfig linux-2.6.18/drivers/net/Kconfig
--- linux-2.6.18.orig/drivers/net/Kconfig 2006-09-25 02:28:22.000000000 -0700
+++ linux-2.6.18/drivers/net/Kconfig 2006-09-25 05:03:43.000000000 -0700
@@ -2399,6 +2399,11 @@ config MYRI10GE
<file:Documentation/networking/net-modules.txt>. The module
will be called myri10ge.
+config NETXEN_NIC
+ tristate "NetXen Multi port (1/10) Gigabit Ethernet NIC"
+ help
+ This enables the support for NetXen's Gigabit Ethernet card.
+
endmenu
source "drivers/net/tokenring/Kconfig"
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/Makefile linux-2.6.18/drivers/net/Makefile
--- linux-2.6.18.orig/drivers/net/Makefile 2006-09-25 02:28:22.000000000 -0700
+++ linux-2.6.18/drivers/net/Makefile 2006-09-25 05:04:07.000000000 -0700
@@ -219,3 +219,4 @@ obj-$(CONFIG_NETCONSOLE) += netconsole.o
obj-$(CONFIG_FS_ENET) += fs_enet/
+obj-$(CONFIG_NETXEN_NIC) += netxen/
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/Makefile linux-2.6.18/drivers/net/netxen/Makefile
--- linux-2.6.18.orig/drivers/net/netxen/Makefile 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/Makefile 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,35 @@
+# Copyright (C) 2003 - 2006 NetXen, Inc.
+# All rights reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
+#
+# The full GNU General Public License is included in this distribution
+# in the file called LICENSE.
+#
+# Contact Information:
+# info@netxen.com
+# NetXen,
+# 3965 Freedom Circle, Fourth floor,
+# Santa Clara, CA 95054
+#
+# Makefile for the NetXen NIC Driver
+#
+
+
+obj-$(CONFIG_NETXEN_NIC) := netxen_nic.o
+
+netxen_nic-y := netxen_nic_hw.o netxen_nic_main.o netxen_nic_init.o \
+ netxen_nic_isr.o netxen_nic_ethtool.o netxen_nic_niu.o
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/netxen_nic_main.c linux-2.6.18/drivers/net/netxen/netxen_nic_main.c
--- linux-2.6.18.orig/drivers/net/netxen/netxen_nic_main.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/netxen_nic_main.c 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,1116 @@
+/*
+ * 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
+ *
+ *
+ * Main source file for NetXen NIC Driver on Linux
+ *
+ */
+
+#include "netxen_nic_hw.h"
+
+#include "netxen_nic.h"
+#define DEFINE_GLOBAL_RECV_CRB
+#include "netxen_nic_phan_reg.h"
+#include "netxen_nic_ioctl.h"
+
+MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
+
+char netxen_nic_driver_name[] = "netxen";
+static char netxen_nic_driver_string[] = "NetXen Network Driver version "
+ NETXEN_NIC_LINUX_VERSIONID "-" NETXEN_NIC_BUILD_NO;
+
+#define NETXEN_NETDEV_WEIGHT 120
+#define NETXEN_ADAPTER_UP_MAGIC 777
+
+/* Local functions to NetXen NIC driver */
+static int __devinit netxen_nic_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent);
+static void __devexit netxen_nic_remove(struct pci_dev *pdev);
+static int netxen_nic_open(struct net_device *netdev);
+static int netxen_nic_close(struct net_device *netdev);
+static int netxen_nic_xmit_frame(struct sk_buff *, struct net_device *);
+static void netxen_tx_timeout(struct net_device *netdev);
+static void netxen_tx_timeout_task(struct net_device *netdev);
+static void netxen_watchdog(unsigned long);
+static int netxen_handle_int(struct netxen_adapter *, struct net_device *);
+static int netxen_nic_ioctl(struct net_device *netdev,
+ struct ifreq *ifr, int cmd);
+static int netxen_nic_poll(struct net_device *dev, int *budget);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void netxen_nic_poll_controller(struct net_device *netdev);
+#endif
+static irqreturn_t netxen_intr(int irq, void *data, struct pt_regs *regs);
+
+/* PCI Device ID Table */
+static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
+ {PCI_DEVICE(0x4040, 0x0001)},
+ {PCI_DEVICE(0x4040, 0x0002)},
+ {PCI_DEVICE(0x4040, 0x0003)},
+ {PCI_DEVICE(0x4040, 0x0004)},
+ {PCI_DEVICE(0x4040, 0x0005)},
+ {0,}
+};
+
+MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
+
+/*
+ * netxen_nic_probe()
+ *
+ * The Linux system will invoke this after identifying the vendor ID and
+ * device Id in the pci_tbl supported by this module.
+ *
+ * A quad port card has one operational PCI config space, (function 0),
+ * which is used to access all four ports.
+ *
+ * This routine will initialize the adapter, and setup the global parameters
+ * along with the port's specific structure.
+ */
+static int __devinit
+netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct net_device *netdev = NULL;
+ struct netxen_adapter *adapter = NULL;
+ struct netxen_port *port = NULL;
+ u8 __iomem *mem_ptr = NULL;
+ unsigned long mem_base, mem_len;
+ int pci_using_dac, i, err;
+ int ring;
+ struct netxen_recv_context *recv_ctx = NULL;
+ struct netxen_rcv_desc_ctx *rcv_desc = NULL;
+ struct netxen_cmd_buffer *cmd_buf_arr = NULL;
+ u64 mac_addr[FLASH_NUM_PORTS + 1];
+ int valid_mac;
+
+ if ((err = pci_enable_device(pdev)))
+ return err;
+ if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+ err = -ENODEV;
+ goto err_out_disable_pdev;
+ }
+
+ if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
+ goto err_out_disable_pdev;
+
+ pci_set_master(pdev);
+ if ((pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) &&
+ (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) == 0))
+ pci_using_dac = 1;
+ else {
+ if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) ||
+ (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)))
+ goto err_out_free_res;
+
+ pci_using_dac = 0;
+ }
+
+ /* remap phys address */
+ mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
+ mem_len = pci_resource_len(pdev, 0);
+
+ /* 128 Meg of memory */
+ mem_ptr = ioremap(mem_base, NETXEN_PCI_MAPSIZE_BYTES);
+ if (mem_ptr == 0UL) {
+ printk(KERN_ERR "%s: Cannot ioremap adapter memory aborting."
+ ":%p\n", netxen_nic_driver_name, mem_ptr);
+ err = -EIO;
+ goto err_out_free_res;
+ }
+
+/*
+ * Allocate a adapter structure which will manage all the initialization
+ * as well as the common resources for all ports...
+ * all the ports will have pointer to this adapter as well as Adapter
+ * will have pointers of all the ports structures.
+ */
+
+ /* One adapter structure for all 4 ports.... */
+ adapter = kzalloc(sizeof(struct netxen_adapter), GFP_KERNEL);
+ if (adapter == NULL) {
+ printk(KERN_ERR "%s: Could not allocate adapter memory:%d\n",
+ netxen_nic_driver_name,
+ (int)sizeof(struct netxen_adapter));
+ err = -ENOMEM;
+ goto err_out_iounmap;
+ }
+
+ adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS;
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS;
+ adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
+
+ pci_set_drvdata(pdev, adapter);
+
+ cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE);
+ if (cmd_buf_arr == NULL) {
+ err = -ENOMEM;
+ goto err_out_free_adapter;
+ }
+ memset(cmd_buf_arr, 0, TX_RINGSIZE);
+
+ for (i = 0; i < MAX_RCV_CTX; ++i) {
+ recv_ctx = &adapter->recv_ctx[i];
+ for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+ rcv_desc = &recv_ctx->rcv_desc[ring];
+ switch (RCV_DESC_TYPE(ring)) {
+ case RCV_DESC_NORMAL:
+ rcv_desc->max_rx_desc_count =
+ adapter->max_rx_desc_count;
+ rcv_desc->flags = RCV_DESC_NORMAL;
+ rcv_desc->dma_size = RX_DMA_MAP_LEN;
+ rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH;
+ break;
+
+ case RCV_DESC_JUMBO:
+ rcv_desc->max_rx_desc_count =
+ adapter->max_jumbo_rx_desc_count;
+ rcv_desc->flags = RCV_DESC_JUMBO;
+ rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN;
+ rcv_desc->skb_size = MAX_RX_JUMBO_BUFFER_LENGTH;
+ break;
+
+ }
+ rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *)
+ vmalloc(RCV_BUFFSIZE);
+
+ if (rcv_desc->rx_buf_arr == NULL) {
+ err = -ENOMEM;
+ goto err_out_free_rx_buffer;
+ }
+ memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE);
+ }
+
+ }
+
+ adapter->ops = kzalloc(sizeof(struct netxen_drvops), GFP_KERNEL);
+ if (adapter->ops == NULL) {
+ printk(KERN_ERR
+ "%s: Could not allocate memory for adapter->ops:%d\n",
+ netxen_nic_driver_name,
+ (int)sizeof(struct netxen_adapter));
+ err = -ENOMEM;
+ goto err_out_free_rx_buffer;
+ }
+
+ adapter->cmd_buf_arr = cmd_buf_arr;
+ adapter->ahw.pci_base = mem_ptr;
+ spin_lock_init(&adapter->tx_lock);
+ spin_lock_init(&adapter->lock);
+ /* initialize the buffers in adapter */
+ netxen_initialize_adapter_sw(adapter);
+ /*
+ * Set the CRB window to invalid. If any register in window 0 is
+ * accessed it should set the window to 0 and then reset it to 1.
+ */
+ adapter->curr_window = 255;
+ /*
+ * Adapter in our case is quad port so initialize it before
+ * initializing the ports
+ */
+ netxen_initialize_adapter_hw(adapter); /* initialize the adapter */
+
+ netxen_initialize_adapter_ops(adapter);
+
+ init_timer(&adapter->watchdog_timer);
+ adapter->ahw.xg_linkup = 0;
+ adapter->watchdog_timer.function = &netxen_watchdog;
+ adapter->watchdog_timer.data = (unsigned long)adapter;
+ INIT_WORK(&adapter->watchdog_task,
+ (void (*)(void *))netxen_watchdog_task, adapter);
+ adapter->ahw.pdev = pdev;
+ adapter->proc_cmd_buf_counter = 0;
+ pci_read_config_byte(pdev, PCI_REVISION_ID, &adapter->ahw.revision_id);
+
+ if (pci_enable_msi(pdev)) {
+ adapter->flags &= ~NETXEN_NIC_MSI_ENABLED;
+ printk(KERN_WARNING "%s: unable to allocate MSI interrupt"
+ " error\n", netxen_nic_driver_name);
+ } else
+ adapter->flags |= NETXEN_NIC_MSI_ENABLED;
+
+ if (netxen_is_flash_supported(adapter) == 0 &&
+ netxen_get_flash_mac_addr(adapter, mac_addr) == 0)
+ valid_mac = 1;
+ else
+ valid_mac = 0;
+
+ /* initialize the all the ports */
+
+ for (i = 0; i < adapter->ahw.max_ports; i++) {
+ netdev = alloc_etherdev(sizeof(struct netxen_port));
+ if (!netdev) {
+ printk(KERN_ERR "%s: could not allocate netdev for port"
+ " %d\n", netxen_nic_driver_name, i + 1);
+ goto err_out_free_dev;
+ }
+
+ SET_MODULE_OWNER(netdev);
+
+ port = netdev_priv(netdev);
+ port->netdev = netdev;
+ port->pdev = pdev;
+ port->adapter = adapter;
+ port->portnum = i; /* Gigabit port number from 0-3 */
+
+ netdev->open = netxen_nic_open;
+ netdev->stop = netxen_nic_close;
+ netdev->hard_start_xmit = netxen_nic_xmit_frame;
+ netdev->get_stats = netxen_nic_get_stats;
+ netdev->set_multicast_list = netxen_nic_set_multi;
+ netdev->set_mac_address = netxen_nic_set_mac;
+ netdev->change_mtu = netxen_nic_change_mtu;
+ netdev->do_ioctl = netxen_nic_ioctl;
+ netdev->tx_timeout = netxen_tx_timeout;
+ netdev->watchdog_timeo = HZ;
+
+ SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
+ netdev->poll = netxen_nic_poll;
+ netdev->weight = NETXEN_NETDEV_WEIGHT;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ netdev->poll_controller = netxen_nic_poll_controller;
+#endif
+ /* ScatterGather support */
+ netdev->features = NETIF_F_SG;
+ netdev->features |= NETIF_F_IP_CSUM;
+ netdev->features |= NETIF_F_TSO;
+
+ if (pci_using_dac)
+ netdev->features |= NETIF_F_HIGHDMA;
+
+ if (valid_mac) {
+ unsigned char *p = (unsigned char *)&mac_addr[i];
+ netdev->dev_addr[0] = *(p + 5);
+ netdev->dev_addr[1] = *(p + 4);
+ netdev->dev_addr[2] = *(p + 3);
+ netdev->dev_addr[3] = *(p + 2);
+ netdev->dev_addr[4] = *(p + 1);
+ netdev->dev_addr[5] = *(p + 0);
+
+ memcpy(netdev->perm_addr, netdev->dev_addr,
+ netdev->addr_len);
+ if (!is_valid_ether_addr(netdev->perm_addr)) {
+ printk(KERN_ERR "%s: Bad MAC address "
+ "%02x:%02x:%02x:%02x:%02x:%02x.\n",
+ netxen_nic_driver_name,
+ netdev->dev_addr[0],
+ netdev->dev_addr[1],
+ netdev->dev_addr[2],
+ netdev->dev_addr[3],
+ netdev->dev_addr[4],
+ netdev->dev_addr[5]);
+ } else {
+ if (adapter->ops->macaddr_set)
+ adapter->ops->macaddr_set(port,
+ netdev->
+ dev_addr);
+ }
+ }
+ INIT_WORK(&adapter->tx_timeout_task,
+ (void (*)(void *))netxen_tx_timeout_task, netdev);
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+
+ if ((err = register_netdev(netdev))) {
+ printk(KERN_ERR "%s: register_netdev failed port #%d"
+ " aborting\n", netxen_nic_driver_name, i + 1);
+ err = -EIO;
+ free_netdev(netdev);
+ goto err_out_free_dev;
+ }
+ adapter->port_count++;
+ adapter->active_ports = 0;
+ adapter->port[i] = port;
+ }
+
+ /*
+ * Initialize all the CRB registers here.
+ */
+ /* Window = 1 */
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_PRODUCER_OFFSET));
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET));
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO));
+
+ netxen_phantom_init(adapter);
+ /*
+ * delay a while to ensure that the Pegs are up & running.
+ * Otherwise, we might see some flaky behaviour.
+ */
+ udelay(100);
+
+ switch (adapter->ahw.board_type) {
+ case NETXEN_NIC_GBE:
+ printk("%s: QUAD GbE board initialized\n",
+ netxen_nic_driver_name);
+ break;
+
+ case NETXEN_NIC_XGBE:
+ printk("%s: XGbE board initialized\n", netxen_nic_driver_name);
+ break;
+ }
+
+ adapter->driver_mismatch = 0;
+
+ return 0;
+
+ err_out_free_dev:
+ if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+ pci_disable_msi(pdev);
+ for (i = 0; i < adapter->port_count; i++) {
+ port = adapter->port[i];
+ if ((port) && (port->netdev)) {
+ unregister_netdev(port->netdev);
+ free_netdev(port->netdev);
+ }
+ }
+ kfree(adapter->ops);
+
+ err_out_free_rx_buffer:
+ for (i = 0; i < MAX_RCV_CTX; ++i) {
+ recv_ctx = &adapter->recv_ctx[i];
+ for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+ rcv_desc = &recv_ctx->rcv_desc[ring];
+ if (rcv_desc->rx_buf_arr != NULL) {
+ vfree(rcv_desc->rx_buf_arr);
+ rcv_desc->rx_buf_arr = NULL;
+ }
+ }
+ }
+
+ vfree(cmd_buf_arr);
+
+ kfree(adapter->port);
+
+ err_out_free_adapter:
+ pci_set_drvdata(pdev, NULL);
+ kfree(adapter);
+
+ err_out_iounmap:
+ iounmap(mem_ptr);
+ err_out_free_res:
+ pci_release_regions(pdev);
+ err_out_disable_pdev:
+ pci_disable_device(pdev);
+ return err;
+}
+
+static void __devexit netxen_nic_remove(struct pci_dev *pdev)
+{
+ struct netxen_adapter *adapter;
+ struct netxen_port *port;
+ struct netxen_rx_buffer *buffer;
+ struct netxen_recv_context *recv_ctx;
+ struct netxen_rcv_desc_ctx *rcv_desc;
+ int i;
+ int ctxid, ring;
+
+ adapter = pci_get_drvdata(pdev);
+ if (adapter == NULL)
+ return;
+
+ netxen_nic_stop_all_ports(adapter);
+ /* leave the hw in the same state as reboot */
+ netxen_pinit_from_rom(adapter, 0);
+ udelay(500);
+ netxen_load_firmware(adapter);
+
+ if ((adapter->flags & NETXEN_NIC_MSI_ENABLED))
+ netxen_nic_disable_int(adapter);
+
+ udelay(500); /* Delay for a while to drain the DMA engines */
+ for (i = 0; i < adapter->port_count; i++) {
+ port = adapter->port[i];
+ if ((port) && (port->netdev)) {
+ unregister_netdev(port->netdev);
+ free_netdev(port->netdev);
+ }
+ }
+
+ if ((adapter->flags & NETXEN_NIC_MSI_ENABLED))
+ pci_disable_msi(pdev);
+ pci_set_drvdata(pdev, NULL);
+ if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
+ netxen_free_hw_resources(adapter);
+
+ iounmap(adapter->ahw.pci_base);
+
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+
+ for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
+ recv_ctx = &adapter->recv_ctx[ctxid];
+ for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+ rcv_desc = &recv_ctx->rcv_desc[ring];
+ for (i = 0; i < rcv_desc->max_rx_desc_count; ++i) {
+ buffer = &(rcv_desc->rx_buf_arr[i]);
+ if (buffer->state == NETXEN_BUFFER_FREE)
+ continue;
+ pci_unmap_single(pdev, buffer->dma,
+ rcv_desc->dma_size,
+ PCI_DMA_FROMDEVICE);
+ if (buffer->skb != NULL)
+ dev_kfree_skb_any(buffer->skb);
+ }
+ vfree(rcv_desc->rx_buf_arr);
+ }
+ }
+
+ vfree(adapter->cmd_buf_arr);
+ kfree(adapter->ops);
+ kfree(adapter);
+}
+
+/*
+ * Called when a network interface is made active
+ * @returns 0 on success, negative value on failure
+ */
+static int netxen_nic_open(struct net_device *netdev)
+{
+ struct netxen_port *port = netdev_priv(netdev);
+ struct netxen_adapter *adapter = port->adapter;
+ struct netxen_rcv_desc_ctx *rcv_desc;
+ int err = 0;
+ int ctx, ring;
+
+ if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) {
+ err = netxen_init_firmware(adapter);
+ if (err != 0) {
+ printk(KERN_ERR "Failed to init firmware\n");
+ return -EIO;
+ }
+ netxen_nic_flash_print(adapter);
+
+ /* setup all the resources for the Phantom... */
+ /* this include the descriptors for rcv, tx, and status */
+ netxen_nic_clear_stats(adapter);
+ err = netxen_nic_hw_resources(adapter);
+ if (err) {
+ printk(KERN_ERR "Error in setting hw resources:%d\n",
+ err);
+ return err;
+ }
+ if (adapter->ops->init_port
+ && adapter->ops->init_port(adapter, port->portnum) != 0) {
+ printk(KERN_ERR "%s: Failed to initialize port %d\n",
+ netxen_nic_driver_name, port->portnum);
+ netxen_free_hw_resources(adapter);
+ return -EIO;
+ }
+ if (adapter->ops->init_niu)
+ adapter->ops->init_niu(adapter);
+ for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+ for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+ rcv_desc =
+ &adapter->recv_ctx[ctx].rcv_desc[ring];
+ netxen_post_rx_buffers(adapter, ctx, ring);
+ }
+ }
+ adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
+ }
+ adapter->active_ports++;
+ if (adapter->active_ports == 1) {
+ err = request_irq(adapter->ahw.pdev->irq, &netxen_intr,
+ SA_SHIRQ | SA_SAMPLE_RANDOM, netdev->name,
+ adapter);
+ if (err) {
+ printk(KERN_ERR "request_irq failed with: %d\n", err);
+ adapter->active_ports--;
+ return err;
+ }
+ adapter->irq = adapter->ahw.pdev->irq;
+ if (!adapter->driver_mismatch)
+ mod_timer(&adapter->watchdog_timer, jiffies);
+
+ netxen_nic_enable_int(adapter);
+ }
+
+ /* Done here again so that even if phantom sw overwrote it,
+ * we set it */
+ if (adapter->ops->macaddr_set)
+ adapter->ops->macaddr_set(port, netdev->dev_addr);
+ netxen_nic_set_link_parameters(port);
+
+ netxen_nic_set_multi(netdev);
+ if (!adapter->driver_mismatch)
+ netif_start_queue(netdev);
+
+ return 0;
+}
+
+/*
+ * netxen_nic_close - Disables a network interface entry point
+ */
+static int netxen_nic_close(struct net_device *netdev)
+{
+ struct netxen_port *port = netdev_priv(netdev);
+ struct netxen_adapter *adapter = port->adapter;
+ int i, j;
+ struct netxen_cmd_buffer *cmd_buff;
+ struct netxen_skb_frag *buffrag;
+
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+
+ /* disable phy_ints */
+ if (adapter->ops->disable_phy_interrupts)
+ adapter->ops->disable_phy_interrupts(adapter, port->portnum);
+
+ adapter->active_ports--;
+
+ if (!adapter->active_ports) {
+ netxen_nic_disable_int(adapter);
+ if (adapter->irq)
+ free_irq(adapter->irq, adapter);
+ cmd_buff = adapter->cmd_buf_arr;
+ for (i = 0; i < adapter->max_tx_desc_count; i++) {
+ buffrag = cmd_buff->frag_array;
+ if (buffrag->dma) {
+ pci_unmap_single(port->pdev, buffrag->dma,
+ buffrag->length,
+ PCI_DMA_TODEVICE);
+ buffrag->dma = (u64) NULL;
+ }
+ for (j = 0; j < cmd_buff->frag_count; j++) {
+ buffrag++;
+ if (buffrag->dma) {
+ pci_unmap_page(port->pdev,
+ buffrag->dma,
+ buffrag->length,
+ PCI_DMA_TODEVICE);
+ buffrag->dma = (u64) NULL;
+ }
+ }
+ /* Free the skb we received in netxen_nic_xmit_frame */
+ if (cmd_buff->skb) {
+ dev_kfree_skb_any(cmd_buff->skb);
+ cmd_buff->skb = NULL;
+ }
+ cmd_buff++;
+ }
+ del_timer_sync(&adapter->watchdog_timer);
+ }
+
+ return 0;
+}
+
+static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
+{
+ struct netxen_port *port = netdev_priv(netdev);
+ struct netxen_adapter *adapter = port->adapter;
+ struct netxen_hardware_context *hw = &adapter->ahw;
+ unsigned int first_seg_len = skb->len - skb->data_len;
+ struct netxen_skb_frag *buffrag;
+ unsigned int i;
+
+ u32 producer = 0;
+ u32 saved_producer = 0;
+ struct cmd_desc_type0 *hwdesc;
+ int k;
+ struct netxen_cmd_buffer *pbuf = NULL;
+ unsigned int tries = 0;
+ static int dropped_packet = 0;
+ int frag_count;
+ u32 local_producer = 0;
+ u32 max_tx_desc_count = 0;
+ u32 last_cmd_consumer = 0;
+ int no_of_desc;
+
+ port->stats.xmitcalled++;
+ frag_count = skb_shinfo(skb)->nr_frags + 1;
+
+ if (unlikely(skb->len <= 0)) {
+ dev_kfree_skb_any(skb);
+ port->stats.badskblen++;
+ return NETDEV_TX_OK;
+ }
+
+ if (frag_count > MAX_BUFFERS_PER_CMD) {
+ printk("%s: %s netxen_nic_xmit_frame: frag_count (%d)"
+ "too large, can handle only %d frags\n",
+ netxen_nic_driver_name, netdev->name,
+ frag_count, MAX_BUFFERS_PER_CMD);
+ port->stats.txdropped++;
+ if ((++dropped_packet & 0xff) == 0xff)
+ printk("%s: %s droppped packets = %d\n",
+ netxen_nic_driver_name, netdev->name,
+ dropped_packet);
+
+ return NETDEV_TX_OK;
+ }
+
+ /*
+ * Everything is set up. Now, we just need to transmit it out.
+ * Note that we have to copy the contents of buffer over to
+ * right place. Later on, this can be optimized out by de-coupling the
+ * producer index from the buffer index.
+ */
+ retry_getting_window:
+ spin_lock_bh(&adapter->tx_lock);
+ if (adapter->total_threads == MAX_XMIT_PRODUCERS) {
+ spin_unlock_bh(&adapter->tx_lock);
+ /*
+ * Yield CPU
+ */
+ if (!in_atomic())
+ schedule();
+ else {
+ for (i = 0; i < 20; i++)
+ cpu_relax(); /*This a nop instr on i386 */
+ }
+ goto retry_getting_window;
+ }
+ local_producer = adapter->cmd_producer;
+ /* There 4 fragments per descriptor */
+ no_of_desc = (frag_count + 3) >> 2;
+ if (skb_shinfo(skb)->gso_size > 0) {
+ no_of_desc++;
+ if (((skb->nh.iph)->ihl * sizeof(u32)) +
+ ((skb->h.th)->doff * sizeof(u32)) +
+ sizeof(struct ethhdr) >
+ (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) {
+ no_of_desc++;
+ }
+ }
+ k = adapter->cmd_producer;
+ max_tx_desc_count = adapter->max_tx_desc_count;
+ last_cmd_consumer = adapter->last_cmd_consumer;
+ if ((k + no_of_desc) >=
+ ((last_cmd_consumer <= k) ? last_cmd_consumer + max_tx_desc_count :
+ last_cmd_consumer)) {
+ spin_unlock_bh(&adapter->tx_lock);
+ if (tries == 0) {
+ local_bh_disable();
+ netxen_process_cmd_ring((unsigned long)adapter);
+ local_bh_enable();
+ ++tries;
+ goto retry_getting_window;
+ } else {
+ port->stats.nocmddescriptor++;
+ DPRINTK(ERR, "No command descriptors available,"
+ " producer = %d, consumer = %d count=%llu,"
+ " dropping packet\n", producer,
+ adapter->last_cmd_consumer,
+ port->stats.nocmddescriptor);
+
+ spin_lock_bh(&adapter->tx_lock);
+ netif_stop_queue(netdev);
+ port->flags |= NETXEN_NETDEV_STATUS;
+ spin_unlock_bh(&adapter->tx_lock);
+ return NETDEV_TX_BUSY;
+ }
+ }
+ k = get_index_range(k, max_tx_desc_count, no_of_desc);
+ adapter->cmd_producer = k;
+ adapter->total_threads++;
+ adapter->num_threads++;
+
+ spin_unlock_bh(&adapter->tx_lock);
+ /* Copy the descriptors into the hardware */
+ producer = local_producer;
+ saved_producer = producer;
+ hwdesc = &hw->cmd_desc_head[producer];
+ memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
+ /* Take skb->data itself */
+ pbuf = &adapter->cmd_buf_arr[producer];
+ if (skb_shinfo(skb)->gso_size > 0) {
+ pbuf->mss = skb_shinfo(skb)->gso_size;
+ hwdesc->mss = skb_shinfo(skb)->gso_size;
+ } else {
+ pbuf->mss = 0;
+ hwdesc->mss = 0;
+ }
+ pbuf->no_of_descriptors = no_of_desc;
+ pbuf->total_length = skb->len;
+ pbuf->skb = skb;
+ pbuf->cmd = TX_ETHER_PKT;
+ pbuf->frag_count = frag_count;
+ pbuf->port = port->portnum;
+ buffrag = &pbuf->frag_array[0];
+ buffrag->dma = pci_map_single(port->pdev, skb->data, first_seg_len,
+ PCI_DMA_TODEVICE);
+ buffrag->length = first_seg_len;
+ CMD_DESC_TOTAL_LENGTH_WRT(hwdesc, skb->len);
+ hwdesc->num_of_buffers = frag_count;
+ hwdesc->opcode = TX_ETHER_PKT;
+
+ CMD_DESC_PORT_WRT(hwdesc, port->portnum);
+ hwdesc->buffer1_length = cpu_to_le16(first_seg_len);
+ hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
+
+ for (i = 1, k = 1; i < frag_count; i++, k++) {
+ struct skb_frag_struct *frag;
+ int len, temp_len;
+ unsigned long offset;
+ dma_addr_t temp_dma;
+
+ /* move to next desc. if there is a need */
+ if ((i & 0x3) == 0) {
+ k = 0;
+ producer = get_next_index(producer,
+ adapter->max_tx_desc_count);
+ hwdesc = &hw->cmd_desc_head[producer];
+ memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
+ }
+ frag = &skb_shinfo(skb)->frags[i - 1];
+ len = frag->size;
+ offset = frag->page_offset;
+
+ temp_len = len;
+ temp_dma = pci_map_page(port->pdev, frag->page, offset,
+ len, PCI_DMA_TODEVICE);
+
+ buffrag++;
+ buffrag->dma = temp_dma;
+ buffrag->length = temp_len;
+
+ DPRINTK(INFO, "for loop. i=%d k=%d\n", i, k);
+ switch (k) {
+ case 0:
+ hwdesc->buffer1_length = cpu_to_le16(temp_len);
+ hwdesc->addr_buffer1 = cpu_to_le64(temp_dma);
+ break;
+ case 1:
+ hwdesc->buffer2_length = cpu_to_le16(temp_len);
+ hwdesc->addr_buffer2 = cpu_to_le64(temp_dma);
+ break;
+ case 2:
+ hwdesc->buffer3_length = cpu_to_le16(temp_len);
+ hwdesc->addr_buffer3 = cpu_to_le64(temp_dma);
+ break;
+ case 3:
+ hwdesc->buffer4_length = temp_len;
+ hwdesc->addr_buffer4 = cpu_to_le64(temp_dma);
+ break;
+ }
+ frag++;
+ }
+ producer = get_next_index(producer, adapter->max_tx_desc_count);
+
+ /* might change opcode to TX_TCP_LSO */
+ netxen_tso_check(adapter, &hw->cmd_desc_head[saved_producer], skb);
+
+ /* For LSO, we need to copy the MAC/IP/TCP headers into
+ * the descriptor ring
+ */
+ if (hw->cmd_desc_head[saved_producer].opcode == TX_TCP_LSO) {
+ int hdr_len, first_hdr_len, more_hdr;
+ hdr_len = hw->cmd_desc_head[saved_producer].total_hdr_length;
+ if (hdr_len > (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) {
+ first_hdr_len =
+ sizeof(struct cmd_desc_type0) - NET_IP_ALIGN;
+ more_hdr = 1;
+ } else {
+ first_hdr_len = hdr_len;
+ more_hdr = 0;
+ }
+ /* copy the MAC/IP/TCP headers to the cmd descriptor list */
+ hwdesc = &hw->cmd_desc_head[producer];
+
+ /* copy the first 64 bytes */
+ memcpy(((void *)hwdesc) + NET_IP_ALIGN,
+ (void *)(skb->data), first_hdr_len);
+ producer = get_next_index(producer, max_tx_desc_count);
+
+ if (more_hdr) {
+ hwdesc = &hw->cmd_desc_head[producer];
+ /* copy the next 64 bytes - should be enough except
+ * for pathological case
+ */
+ memcpy((void *)hwdesc, (void *)(skb->data) +
+ first_hdr_len, hdr_len - first_hdr_len);
+ producer = get_next_index(producer, max_tx_desc_count);
+ }
+ }
+ spin_lock_bh(&adapter->tx_lock);
+ port->stats.txbytes +=
+ CMD_DESC_TOTAL_LENGTH(&hw->cmd_desc_head[saved_producer]);
+ /* Code to update the adapter considering how many producer threads
+ are currently working */
+ if ((--adapter->num_threads) == 0) {
+ /* This is the last thread */
+ u32 crb_producer = adapter->cmd_producer;
+ writel(crb_producer,
+ NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_PRODUCER_OFFSET));
+ wmb();
+ adapter->total_threads = 0;
+ } else {
+ u32 crb_producer = 0;
+ crb_producer =
+ readl(NETXEN_CRB_NORMALIZE
+ (adapter, CRB_CMD_PRODUCER_OFFSET));
+ if (crb_producer == local_producer) {
+ crb_producer = get_index_range(crb_producer,
+ max_tx_desc_count,
+ no_of_desc);
+ writel(crb_producer,
+ NETXEN_CRB_NORMALIZE(adapter,
+ CRB_CMD_PRODUCER_OFFSET));
+ wmb();
+ }
+ }
+
+ port->stats.xmitfinished++;
+ spin_unlock_bh(&adapter->tx_lock);
+
+ netdev->trans_start = jiffies;
+
+ DPRINTK(INFO, "wrote CMD producer %x to phantom\n", producer);
+
+ DPRINTK(INFO, "Done. Send\n");
+ return NETDEV_TX_OK;
+}
+
+static void netxen_watchdog(unsigned long v)
+{
+ struct netxen_adapter *adapter = (struct netxen_adapter *)v;
+ schedule_work(&adapter->watchdog_task);
+}
+
+static void netxen_tx_timeout(struct net_device *netdev)
+{
+ struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev);
+ struct netxen_adapter *adapter = port->adapter;
+
+ schedule_work(&adapter->tx_timeout_task);
+}
+
+static void netxen_tx_timeout_task(struct net_device *netdev)
+{
+ struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev);
+ unsigned long flags;
+
+ printk(KERN_ERR "%s %s: transmit timeout, resetting.\n",
+ netxen_nic_driver_name, netdev->name);
+
+ spin_lock_irqsave(&port->adapter->lock, flags);
+ netxen_nic_close(netdev);
+ netxen_nic_open(netdev);
+ spin_unlock_irqrestore(&port->adapter->lock, flags);
+ netdev->trans_start = jiffies;
+ netif_wake_queue(netdev);
+}
+
+static int
+netxen_handle_int(struct netxen_adapter *adapter, struct net_device *netdev)
+{
+ u32 ret = 0;
+
+ DPRINTK(INFO, "Entered handle ISR\n");
+
+ adapter->stats.ints++;
+
+ if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ int count = 0;
+ u32 mask;
+ netxen_nic_disable_int(adapter);
+ /* Window = 0 or 1 */
+ do {
+ writel(0xffffffff, (void __iomem *)
+ (adapter->ahw.pci_base + ISR_INT_TARGET_STATUS));
+ mask = readl((void __iomem *)
+ (adapter->ahw.pci_base + ISR_INT_VECTOR));
+ } while (((mask & 0x80) != 0) && (++count < 32));
+ if ((mask & 0x80) != 0)
+ printk("Could not disable interrupt completely\n");
+
+ }
+ adapter->stats.hostints++;
+
+ if (netxen_nic_rx_has_work(adapter) || netxen_nic_tx_has_work(adapter)) {
+ if (netif_rx_schedule_prep(netdev)) {
+ /*
+ * Interrupts are already disabled.
+ */
+ __netif_rx_schedule(netdev);
+ } else {
+ static unsigned int intcount = 0;
+ if ((++intcount & 0xfff) == 0xfff)
+ printk(KERN_ERR
+ "%s: %s interrupt %d while in poll\n",
+ netxen_nic_driver_name, netdev->name,
+ intcount);
+ }
+ ret = 1;
+ }
+
+ if (ret == 0) {
+ netxen_nic_enable_int(adapter);
+ }
+
+ return ret;
+}
+
+/*
+ * netxen_intr - Interrupt Handler
+ * @irq: interrupt number
+ * data points to adapter stucture (which may be handling more than 1 port
+ */
+irqreturn_t netxen_intr(int irq, void *data, struct pt_regs * regs)
+{
+ struct netxen_adapter *adapter;
+ struct netxen_port *port;
+ struct net_device *netdev;
+ int i;
+
+ if (unlikely(!irq)) {
+ return IRQ_NONE; /* Not our interrupt */
+ }
+
+ adapter = (struct netxen_adapter *)data;
+ for (i = 0; i < adapter->ahw.max_ports; i++) {
+ port = adapter->port[i];
+ netdev = port->netdev;
+
+ /* process our status queue (for all 4 ports) */
+ netxen_handle_int(adapter, netdev);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int netxen_nic_poll(struct net_device *netdev, int *budget)
+{
+ struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev);
+ struct netxen_adapter *adapter = port->adapter;
+ int work_to_do = min(*budget, netdev->quota);
+ int done = 1;
+ int ctx;
+ int this_work_done;
+
+ DPRINTK(INFO, "polling for %d descriptors\n", *budget);
+ port->stats.polled++;
+
+ adapter->work_done = 0;
+ for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+ /*
+ * Fairness issue. This will give undue weight to the
+ * receive context 0.
+ */
+
+ /*
+ * To avoid starvation, we give each of our receivers,
+ * a fraction of the quota. Sometimes, it might happen that we
+ * have enough quota to process every packet, but since all the
+ * packets are on one context, it gets only half of the quota,
+ * and ends up not processing it.
+ */
+ this_work_done = netxen_process_rcv_ring(adapter, ctx,
+ work_to_do /
+ MAX_RCV_CTX);
+ adapter->work_done += this_work_done;
+ }
+
+ netdev->quota -= adapter->work_done;
+ *budget -= adapter->work_done;
+
+ if (adapter->work_done >= work_to_do
+ && netxen_nic_rx_has_work(adapter) != 0)
+ done = 0;
+
+ netxen_process_cmd_ring((unsigned long)adapter);
+
+ DPRINTK(INFO, "new work_done: %d work_to_do: %d\n",
+ adapter->work_done, work_to_do);
+ if (done) {
+ netif_rx_complete(netdev);
+ netxen_nic_enable_int(adapter);
+ }
+
+ return (done ? 0 : 1);
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void netxen_nic_poll_controller(struct net_device *netdev)
+{
+ struct netxen_port *port = netdev_priv(netdev);
+ struct netxen_adapter *adapter = port->adapter;
+ disable_irq(adapter->irq);
+ netxen_intr(adapter->irq, adapter, NULL);
+ enable_irq(adapter->irq);
+}
+#endif
+/*
+ * netxen_nic_ioctl () We provide the tcl/phanmon support through these
+ * ioctls.
+ */
+static int
+netxen_nic_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+{
+ int err = 0;
+ struct netxen_port *port = netdev_priv(netdev);
+ struct netxen_adapter *adapter = port->adapter;
+
+ DPRINTK(INFO, "doing ioctl for %s\n", netdev->name);
+ switch (cmd) {
+ case NETXEN_NIC_CMD:
+ err = netxen_nic_do_ioctl(adapter, (void *)ifr->ifr_data, port);
+ break;
+
+ case NETXEN_NIC_NAME:
+ DPRINTK(INFO, "ioctl cmd for NetXen\n");
+ if (ifr->ifr_data) {
+ put_user(port->portnum, (u16 __user *) ifr->ifr_data);
+ }
+ break;
+
+ default:
+ DPRINTK(INFO, "ioctl cmd %x not supported\n", cmd);
+ err = -EOPNOTSUPP;
+ break;
+ }
+
+ return err;
+}
+
+static struct pci_driver netxen_driver = {
+ .name = netxen_nic_driver_name,
+ .id_table = netxen_pci_tbl,
+ .probe = netxen_nic_probe,
+ .remove = __devexit_p(netxen_nic_remove)
+};
+
+/* Driver Registration on NetXen card */
+
+static int __init netxen_init_module(void)
+{
+ printk(KERN_INFO "%s \n", netxen_nic_driver_string);
+
+ return pci_module_init(&netxen_driver);
+}
+
+module_init(netxen_init_module);
+
+static void __exit netxen_exit_module(void)
+{
+ /*
+ * Wait for some time to allow the dma to drain, if any.
+ */
+ mdelay(5);
+ pci_unregister_driver(&netxen_driver);
+}
+
+module_exit(netxen_exit_module);
^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 2.6.18 2/9] NetXen: Hardware access routines
2006-09-27 15:27 [PATCH 2.6.18 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
2006-09-27 15:31 ` [PATCH 2.6.18 1/9] NetXen: Makefile and driver main file Amit S. Kale
@ 2006-09-27 15:34 ` Amit S. Kale
2006-09-27 15:38 ` [PATCH 2.6.18 3/9] NetXen: hw initialization routines Amit S. Kale
` (6 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Amit S. Kale @ 2006-09-27 15:34 UTC (permalink / raw)
To: netdev
Cc: Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx,
Randy Dunlap, jeff
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/netxen_nic_hw.c linux-2.6.18/drivers/net/netxen/netxen_nic_hw.c
--- linux-2.6.18.orig/drivers/net/netxen/netxen_nic_hw.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/netxen_nic_hw.c 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,936 @@
+/*
+ * 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
+#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)
+
+unsigned long netxen_nic_pci_set_window(void __iomem * 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 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->ops->macaddr_set)
+ adapter->ops->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->ops->set_promisc)
+ adapter->ops->set_promisc(adapter,
+ port->portnum,
+ NETXEN_NIU_PROMISC_MODE);
+ } else {
+ if (adapter->ops->unset_promisc)
+ adapter->ops->unset_promisc(adapter,
+ port->portnum,
+ NETXEN_NIU_NON_PROMISC_MODE);
+ }
+ if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
+ netxen_nic_mcr_set_mode_select(netxen_mac_addr_cntl_data, 0x03);
+ netxen_nic_mcr_set_id_pool0(netxen_mac_addr_cntl_data, 0x00);
+ netxen_nic_mcr_set_id_pool1(netxen_mac_addr_cntl_data, 0x00);
+ netxen_nic_mcr_set_id_pool2(netxen_mac_addr_cntl_data, 0x00);
+ netxen_nic_mcr_set_id_pool3(netxen_mac_addr_cntl_data, 0x00);
+ netxen_nic_mcr_set_enable_xtnd0(netxen_mac_addr_cntl_data);
+ netxen_nic_mcr_set_enable_xtnd1(netxen_mac_addr_cntl_data);
+ netxen_nic_mcr_set_enable_xtnd2(netxen_mac_addr_cntl_data);
+ netxen_nic_mcr_set_enable_xtnd3(netxen_mac_addr_cntl_data);
+ } else {
+ netxen_nic_mcr_set_mode_select(netxen_mac_addr_cntl_data, 0x00);
+ netxen_nic_mcr_set_id_pool0(netxen_mac_addr_cntl_data, 0x00);
+ netxen_nic_mcr_set_id_pool1(netxen_mac_addr_cntl_data, 0x01);
+ netxen_nic_mcr_set_id_pool2(netxen_mac_addr_cntl_data, 0x02);
+ netxen_nic_mcr_set_id_pool3(netxen_mac_addr_cntl_data, 0x03);
+ }
+ writel(netxen_mac_addr_cntl_data,
+ NETXEN_CRB_NORMALIZE(adapter, NETXEN_MAC_ADDR_CNTL_REG));
+ if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
+ writel(netxen_mac_addr_cntl_data,
+ NETXEN_CRB_NORMALIZE(adapter,
+ NETXEN_MULTICAST_ADDR_HI_0));
+ } else {
+ writel(netxen_mac_addr_cntl_data,
+ NETXEN_CRB_NORMALIZE(adapter,
+ NETXEN_MULTICAST_ADDR_HI_1));
+ }
+ netxen_mac_addr_cntl_data = 0;
+ writel(netxen_mac_addr_cntl_data,
+ NETXEN_CRB_NORMALIZE(adapter, NETXEN_NIU_GB_DROP_WRONGADDR));
+}
+
+/*
+ * 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 mtu)
+{
+ struct netxen_port *port = netdev_priv(netdev);
+ struct netxen_adapter *adapter = port->adapter;
+ int eff_mtu = mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE;
+
+ if ((eff_mtu > NETXEN_MAX_MTU) || (eff_mtu < NETXEN_MIN_MTU)) {
+ printk(KERN_ERR "%s: %s %d is not supported.\n",
+ netxen_nic_driver_name, netdev->name, mtu);
+ return -EINVAL;
+ }
+
+ if (adapter->ops->set_mtu)
+ adapter->ops->set_mtu(port, mtu);
+ netdev->mtu = 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 *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 */
+ card_cmdring = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_CMDRING));
+
+ 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 */
+ state = readl(NETXEN_CRB_NORMALIZE(adapter,
+ recv_crb_registers[ctx].
+ crb_rcvpeg_state));
+ while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20) {
+ udelay(100);
+ /* Window 1 call */
+ state = readl(NETXEN_CRB_NORMALIZE(adapter,
+ recv_crb_registers
+ [ctx].
+ crb_rcvpeg_state));
+ 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) *
+ adapter->max_tx_desc_count,
+ &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 *)addr;
+ for (i = 1; i < adapter->max_tx_desc_count; i++) {
+ pcmd->netxen_next =
+ (card_cmdring + i * sizeof(struct cmd_desc_type0));
+ pcmd++;
+ }
+ /* fill in last link (point to first) */
+ pcmd->netxen_next = card_cmdring;
+
+ hw->cmd_desc_head = (struct cmd_desc_type0 *)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,
+ &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 *)addr;
+ }
+
+ addr = pci_alloc_consistent(adapter->ahw.pdev,
+ STATUS_DESC_RINGSIZE,
+ &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 *)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 */
+ writel(rcv_desc->phys_addr,
+ NETXEN_CRB_NORMALIZE(adapter,
+ rcv_desc_crb->
+ crb_globalrcv_ring));
+ 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 */
+ writel(recv_ctx->rcv_status_desc_phys_addr,
+ NETXEN_CRB_NORMALIZE(adapter,
+ recv_crb_registers[ctx].
+ crb_rcvstatus_ring));
+ 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 */
+ writel(hw->cmd_desc_phys_addr,
+ NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO));
+
+ 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) *
+ 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 *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;
+ }
+ }
+ CMD_DESC_TCP_HDR_OFFSET_WRT(desc, skb->h.raw - skb->data);
+ desc->length_tcp_hdr = cpu_to_le32(desc->length_tcp_hdr);
+ desc->ip_hdr_offset = skb->nh.raw - skb->data;
+ adapter->stats.xmitcsummed++;
+}
+
+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 * 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 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;
+
+ /*
+ * 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);
+
+ 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;
+ long data, size = 0;
+ long 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->ahw.pci_base, memaddr);
+ addr = (adapter->ahw.pci_base + 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 = adapter->ahw.pci_base + off;
+ 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_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 = adapter->ahw.pci_base + off;
+ 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_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",
+ adapter->ahw.pci_base, 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",
+ adapter->ahw.pci_base, 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 = (void __iomem *)(adapter->ahw.pci_base + 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 = (void __iomem *)(adapter->ahw.pci_base + 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(void __iomem * 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, pci_base +
+ NETXEN_PCIX_PH_REG(PCIX_MN_WINDOW));
+ /* MUST make sure window is set before we forge on... */
+ readl(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), pci_base +
+ NETXEN_PCIX_PH_REG(PCIX_SN_WINDOW));
+ /* MUST make sure window is set before we forge on... */
+ readl(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;
+}
+
+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_port *port, int new_mtu)
+{
+ struct netxen_adapter *adapter = port->adapter;
+ netxen_nic_write_w0(adapter,
+ NETXEN_NIU_GB_MAX_FRAME_SIZE(port->portnum),
+ new_mtu);
+ return 0;
+}
+
+int netxen_nic_set_mtu_xgb(struct netxen_port *port, int new_mtu)
+{
+ struct netxen_adapter *adapter = port->adapter;
+ new_mtu += NETXEN_NIU_HDRSIZE + NETXEN_NIU_TLRSIZE;
+ netxen_nic_write_w0(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu);
+ return 0;
+}
+
+void netxen_nic_init_niu_gb(struct netxen_adapter *adapter)
+{
+ int portno;
+ for (portno = 0; portno < NETXEN_NIU_MAX_GBE_PORTS; portno++)
+ netxen_niu_gbe_init_port(adapter, portno);
+}
+
+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];
+ if (adapter->ops->stop_port)
+ adapter->ops->stop_port(adapter, port->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 = (void __iomem *)(adapter->ahw.pci_base + off);
+ writel(data, addr);
+ netxen_nic_pci_change_crbwindow(adapter, 1);
+ }
+}
+
+void netxen_nic_set_link_parameters(struct netxen_port *port)
+{
+ struct netxen_adapter *adapter = port->adapter;
+ __le32 status;
+ u16 autoneg;
+ __le32 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->ops->phy_read
+ && adapter->ops->
+ phy_read(adapter, port->portnum,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+ &status) == 0) {
+ if (netxen_get_phy_link(status)) {
+ switch (netxen_get_phy_speed(status)) {
+ 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;
+ break;
+ }
+ switch (netxen_get_phy_duplex(status)) {
+ case 0:
+ port->link_duplex = DUPLEX_HALF;
+ break;
+ case 1:
+ port->link_duplex = DUPLEX_FULL;
+ break;
+ default:
+ port->link_duplex = -1;
+ break;
+ }
+ if (adapter->ops->phy_read
+ && adapter->ops->
+ phy_read(adapter, port->portnum,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
+ (__le32 *) & autoneg) != 0)
+ port->link_autoneg = autoneg;
+ } else
+ goto link_down;
+ } else {
+ link_down:
+ 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);
+ 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) {
+ 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);
+}
+
+int netxen_crb_read_val(struct netxen_adapter *adapter, unsigned long off)
+{
+ int data;
+ netxen_nic_hw_read_wx(adapter, off, &data, 4);
+ return data;
+}
^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 2.6.18 3/9] NetXen: hw initialization routines
2006-09-27 15:27 [PATCH 2.6.18 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
2006-09-27 15:31 ` [PATCH 2.6.18 1/9] NetXen: Makefile and driver main file Amit S. Kale
2006-09-27 15:34 ` [PATCH 2.6.18 2/9] NetXen: Hardware access routines Amit S. Kale
@ 2006-09-27 15:38 ` Amit S. Kale
2006-09-27 15:39 ` [PATCH 2.6.18 4/9] NetXen: intr routines and niu handling Amit S. Kale
` (5 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Amit S. Kale @ 2006-09-27 15:38 UTC (permalink / raw)
To: netdev
Cc: Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx,
Randy Dunlap, jeff
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/netxen_nic_init.c linux-2.6.18/drivers/net/netxen/netxen_nic_init.c
--- linux-2.6.18.orig/drivers/net/netxen/netxen_nic_init.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/netxen_nic_init.c 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,1143 @@
+/*
+ * 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 initialize the Phantom Hardware
+ *
+ */
+
+#include <linux/netdevice.h>
+#include <linux/delay.h>
+#include "netxen_nic.h"
+#include "netxen_nic_hw.h"
+#include "netxen_nic_ioctl.h"
+#include "netxen_nic_phan_reg.h"
+
+struct crb_addr_pair {
+ long addr;
+ long data;
+};
+
+#define NETXEN_MAX_CRB_XFORM 60
+static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM];
+#define NETXEN_ADDR_ERROR ((unsigned long ) 0xffffffff )
+
+#define crb_addr_transform(name) \
+ crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \
+ NETXEN_HW_CRB_HUB_AGT_ADR_##name << 20
+
+static inline void
+netxen_nic_locked_write_reg(struct netxen_adapter *adapter,
+ unsigned long off, int *data)
+{
+ void __iomem *addr = (adapter->ahw.pci_base + off);
+ writel(*data, addr);
+}
+
+static void crb_addr_transform_setup(void)
+{
+ crb_addr_transform(XDMA);
+ crb_addr_transform(TIMR);
+ crb_addr_transform(SRE);
+ crb_addr_transform(SQN3);
+ crb_addr_transform(SQN2);
+ crb_addr_transform(SQN1);
+ crb_addr_transform(SQN0);
+ crb_addr_transform(SQS3);
+ crb_addr_transform(SQS2);
+ crb_addr_transform(SQS1);
+ crb_addr_transform(SQS0);
+ crb_addr_transform(RPMX7);
+ crb_addr_transform(RPMX6);
+ crb_addr_transform(RPMX5);
+ crb_addr_transform(RPMX4);
+ crb_addr_transform(RPMX3);
+ crb_addr_transform(RPMX2);
+ crb_addr_transform(RPMX1);
+ crb_addr_transform(RPMX0);
+ crb_addr_transform(ROMUSB);
+ crb_addr_transform(SN);
+ crb_addr_transform(QMN);
+ crb_addr_transform(QMS);
+ crb_addr_transform(PGNI);
+ crb_addr_transform(PGND);
+ crb_addr_transform(PGN3);
+ crb_addr_transform(PGN2);
+ crb_addr_transform(PGN1);
+ crb_addr_transform(PGN0);
+ crb_addr_transform(PGSI);
+ crb_addr_transform(PGSD);
+ crb_addr_transform(PGS3);
+ crb_addr_transform(PGS2);
+ crb_addr_transform(PGS1);
+ crb_addr_transform(PGS0);
+ crb_addr_transform(PS);
+ crb_addr_transform(PH);
+ crb_addr_transform(NIU);
+ crb_addr_transform(I2Q);
+ crb_addr_transform(EG);
+ crb_addr_transform(MN);
+ crb_addr_transform(MS);
+ crb_addr_transform(CAS2);
+ crb_addr_transform(CAS1);
+ crb_addr_transform(CAS0);
+ crb_addr_transform(CAM);
+ crb_addr_transform(C2C1);
+ crb_addr_transform(C2C0);
+}
+
+int netxen_init_firmware(struct netxen_adapter *adapter)
+{
+ u32 state = 0, loops = 0, err = 0;
+
+ /* Window 1 call */
+ state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+
+ if (state == PHAN_INITIALIZE_ACK)
+ return 0;
+
+ while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) {
+ udelay(100);
+ /* Window 1 call */
+ state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+
+ loops++;
+ }
+ if (loops >= 2000) {
+ printk(KERN_ERR "Cmd Peg initialization not complete:%x.\n",
+ state);
+ err = -EIO;
+ return err;
+ }
+ /* Window 1 call */
+ writel(PHAN_INITIALIZE_ACK,
+ NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+
+ return err;
+}
+
+void netxen_initialize_adapter_sw(struct netxen_adapter *adapter)
+{
+ int ctxid, ring;
+ u32 i;
+ u32 num_rx_bufs = 0;
+ struct netxen_rcv_desc_ctx *rcv_desc;
+
+ DPRINTK(INFO, "initializing some queues: %p\n", adapter);
+ for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
+ for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+ struct netxen_rx_buffer *rx_buf;
+ rcv_desc = &adapter->recv_ctx[ctxid].rcv_desc[ring];
+ rcv_desc->rcv_free = rcv_desc->max_rx_desc_count;
+ rcv_desc->begin_alloc = 0;
+ rx_buf = rcv_desc->rx_buf_arr;
+ num_rx_bufs = rcv_desc->max_rx_desc_count;
+ /*
+ * Now go through all of them, set reference handles
+ * and put them in the queues.
+ */
+ for (i = 0; i < num_rx_bufs; i++) {
+ rx_buf->ref_handle = i;
+ rx_buf->state = NETXEN_BUFFER_FREE;
+
+ DPRINTK(INFO, "Rx buf:ctx%d i(%d) rx_buf:"
+ "%p\n", ctxid, i, rx_buf);
+ rx_buf++;
+ }
+ }
+ }
+ DPRINTK(INFO, "initialized buffers for %s and %s\n",
+ "adapter->free_cmd_buf_list", "adapter->free_rxbuf");
+}
+
+void netxen_initialize_adapter_hw(struct netxen_adapter *adapter)
+{
+ if (netxen_nic_get_board_info(adapter) != 0)
+ printk("%s: Error getting board config info.\n",
+ netxen_nic_driver_name);
+
+ switch (adapter->ahw.board_type) {
+ case NETXEN_NIC_GBE:
+ adapter->ahw.max_ports = 4;
+ break;
+
+ case NETXEN_NIC_XGBE:
+ adapter->ahw.max_ports = 1;
+ break;
+
+ default:
+ printk(KERN_ERR "%s: Unknown board type\n",
+ netxen_nic_driver_name);
+ }
+}
+
+void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
+{
+ struct netxen_drvops *ops = adapter->ops;
+ switch (adapter->ahw.board_type) {
+ case NETXEN_NIC_GBE:
+ ops->enable_phy_interrupts =
+ netxen_niu_gbe_enable_phy_interrupts;
+ ops->disable_phy_interrupts =
+ netxen_niu_gbe_disable_phy_interrupts;
+ ops->handle_phy_intr = netxen_nic_gbe_handle_phy_intr;
+ ops->macaddr_set = netxen_niu_macaddr_set;
+ ops->set_mtu = netxen_nic_set_mtu_gb;
+ ops->set_promisc = netxen_niu_set_promiscuous_mode;
+ ops->unset_promisc = netxen_niu_set_promiscuous_mode;
+ ops->phy_read = netxen_niu_gbe_phy_read;
+ ops->phy_write = netxen_niu_gbe_phy_write;
+ ops->init_port = netxen_niu_gbe_init_port;
+ ops->init_niu = netxen_nic_init_niu_gb;
+ ops->stop_port = netxen_niu_disable_gbe_port;
+ break;
+
+ case NETXEN_NIC_XGBE:
+ ops->enable_phy_interrupts =
+ netxen_niu_xgbe_enable_phy_interrupts;
+ ops->disable_phy_interrupts =
+ netxen_niu_xgbe_disable_phy_interrupts;
+ ops->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr;
+ ops->macaddr_set = netxen_niu_xg_macaddr_set;
+ ops->set_mtu = netxen_nic_set_mtu_xgb;
+ ops->set_promisc = netxen_niu_xg_set_promiscuous_mode;
+ ops->unset_promisc = netxen_niu_xg_set_promiscuous_mode;
+ ops->stop_port = netxen_niu_disable_xg_port;
+ break;
+
+ default:
+ break;
+ }
+}
+
+/*
+ * netxen_decode_crb_addr(0 - utility to translate from internal Phantom CRB
+ * address to external PCI CRB address.
+ */
+unsigned long netxen_decode_crb_addr(unsigned long addr)
+{
+ int i;
+ unsigned long base_addr, offset, pci_base;
+
+ crb_addr_transform_setup();
+
+ pci_base = NETXEN_ADDR_ERROR;
+ base_addr = addr & 0xfff00000;
+ offset = addr & 0x000fffff;
+
+ for (i = 0; i < NETXEN_MAX_CRB_XFORM; i++) {
+ if (crb_addr_xform[i] == base_addr) {
+ pci_base = i << 20;
+ break;
+ }
+ }
+ if (pci_base == NETXEN_ADDR_ERROR)
+ return pci_base;
+ else
+ return (pci_base + offset);
+}
+
+static long rom_max_timeout = 10000;
+static long rom_lock_timeout = 1000000;
+
+static inline int rom_lock(struct netxen_adapter *adapter)
+{
+ int iter;
+ u32 done = 0;
+ int timeout = 0;
+
+ while (!done) {
+ /* acquire semaphore2 from PCI HW block */
+ netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_LOCK),
+ &done);
+ if (done == 1)
+ break;
+ if (timeout >= rom_lock_timeout)
+ return -EIO;
+
+ timeout++;
+ /*
+ * Yield CPU
+ */
+ if (!in_atomic())
+ schedule();
+ else {
+ for (iter = 0; iter < 20; iter++)
+ cpu_relax(); /*This a nop instr on i386 */
+ }
+ }
+ netxen_nic_reg_write(adapter, NETXEN_ROM_LOCK_ID, ROM_LOCK_DRIVER);
+ return 0;
+}
+
+static inline void rom_unlock(struct netxen_adapter *adapter)
+{
+ u32 val;
+
+ /* release semaphore2 */
+ netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK), &val);
+
+}
+
+int netxen_wait_rom_done(struct netxen_adapter *adapter)
+{
+ long timeout = 0;
+ long done = 0;
+
+ while (done == 0) {
+ done = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_GLB_STATUS);
+ done &= 2;
+ timeout++;
+ if (timeout >= rom_max_timeout) {
+ printk("Timeout reached waiting for rom done");
+ return -EIO;
+ }
+ }
+ return 0;
+}
+
+static inline int
+do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
+{
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
+ udelay(100); /* prevent bursting on CRB */
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0xb);
+ if (netxen_wait_rom_done(adapter)) {
+ printk("Error waiting for rom done\n");
+ return -EIO;
+ }
+ /* reset abyte_cnt and dummy_byte_cnt */
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
+ udelay(100); /* prevent bursting on CRB */
+ netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+
+ *valp = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_ROM_RDATA);
+ return 0;
+}
+
+int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
+{
+ int ret;
+
+ if (rom_lock(adapter) != 0)
+ return -EIO;
+
+ ret = do_rom_fast_read(adapter, addr, valp);
+ rom_unlock(adapter);
+ return ret;
+}
+
+#define NETXEN_BOARDTYPE 0x4008
+#define NETXEN_BOARDNUM 0x400c
+#define NETXEN_CHIPNUM 0x4010
+#define NETXEN_ROMBUS_RESET 0xFFFFFFFF
+#define NETXEN_ROM_FIRST_BARRIER 0x800000000ULL
+#define NETXEN_ROM_FOUND_INIT 0x400
+
+int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
+{
+ int addr, val, status;
+ int n, i;
+ int init_delay = 0;
+ struct crb_addr_pair *buf;
+ unsigned long off;
+
+ /* resetall */
+ status = netxen_nic_get_board_info(adapter);
+ if (status)
+ printk("%s: pinit_from_rom: Error getting board info\n",
+ netxen_nic_driver_name);
+
+ netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
+ NETXEN_ROMBUS_RESET);
+
+ if (verbose) {
+ int val;
+ if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0)
+ printk("P2 ROM board type: 0x%08x\n", val);
+ else
+ printk("Could not read board type\n");
+ if (netxen_rom_fast_read(adapter, NETXEN_BOARDNUM, &val) == 0)
+ printk("P2 ROM board num: 0x%08x\n", val);
+ else
+ printk("Could not read board number\n");
+ if (netxen_rom_fast_read(adapter, NETXEN_CHIPNUM, &val) == 0)
+ printk("P2 ROM chip num: 0x%08x\n", val);
+ else
+ printk("Could not read chip number\n");
+ }
+
+ if (netxen_rom_fast_read(adapter, 0, &n) == 0
+ && (n & NETXEN_ROM_FIRST_BARRIER)) {
+ n &= ~NETXEN_ROM_ROUNDUP;
+ if (n < NETXEN_ROM_FOUND_INIT) {
+ if (verbose)
+ printk("%s: %d CRB init values found"
+ " in ROM.\n", netxen_nic_driver_name, n);
+ } else {
+ printk("%s:n=0x%x Error! NetXen card flash not"
+ " initialized.\n", __FUNCTION__, n);
+ return -EIO;
+ }
+ buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
+ if (buf == NULL) {
+ printk("%s: pinit_from_rom: Unable to calloc memory.\n",
+ netxen_nic_driver_name);
+ return -ENOMEM;
+ }
+ for (i = 0; i < n; i++) {
+ if (netxen_rom_fast_read(adapter, 8 * i + 4, &val) != 0
+ || netxen_rom_fast_read(adapter, 8 * i + 8,
+ &addr) != 0)
+ return -EIO;
+
+ buf[i].addr = addr;
+ buf[i].data = val;
+
+ if (verbose)
+ printk("%s: PCI: 0x%08x == 0x%08x\n",
+ netxen_nic_driver_name, (unsigned int)
+ netxen_decode_crb_addr((unsigned long)
+ addr), val);
+ }
+ for (i = 0; i < n; i++) {
+
+ off =
+ netxen_decode_crb_addr((unsigned long)buf[i].addr) +
+ NETXEN_PCI_CRBSPACE;
+ /* skipping cold reboot MAGIC */
+ if (off == NETXEN_CAM_RAM(0x1fc))
+ continue;
+
+ /* After writing this register, HW needs time for CRB */
+ /* to quiet down (else crb_window returns 0xffffffff) */
+ if (off == NETXEN_ROMUSB_GLB_SW_RESET) {
+ init_delay = 1;
+ /* hold xdma in reset also */
+ buf[i].data = 0x8000ff;
+ }
+
+ if (ADDR_IN_WINDOW1(off)) {
+ writel(buf[i].data,
+ NETXEN_CRB_NORMALIZE(adapter, off));
+ } else {
+ netxen_nic_pci_change_crbwindow(adapter, 0);
+ writel(buf[i].data,
+ adapter->ahw.pci_base + off);
+
+ netxen_nic_pci_change_crbwindow(adapter, 1);
+ }
+ if (init_delay == 1) {
+ ssleep(1);
+ init_delay = 0;
+ }
+ msleep(1);
+ }
+ kfree(buf);
+
+ /* disable_peg_cache_all */
+
+ /* unreset_net_cache */
+ netxen_nic_hw_read_wx(adapter, NETXEN_ROMUSB_GLB_SW_RESET, &val,
+ 4);
+ netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
+ (val & 0xffffff0f));
+ /* p2dn replyCount */
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_CRB_PEG_NET_D + 0xec, 0x1e);
+ /* disable_peg_cache 0 */
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_CRB_PEG_NET_D + 0x4c, 8);
+ /* disable_peg_cache 1 */
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_CRB_PEG_NET_I + 0x4c, 8);
+
+ /* peg_clr_all */
+
+ /* peg_clr 0 */
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0x8,
+ 0);
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0xc,
+ 0);
+ /* peg_clr 1 */
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0x8,
+ 0);
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0xc,
+ 0);
+ /* peg_clr 2 */
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0x8,
+ 0);
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0xc,
+ 0);
+ /* peg_clr 3 */
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0x8,
+ 0);
+ netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0xc,
+ 0);
+ }
+ return 0;
+}
+
+void netxen_phantom_init(struct netxen_adapter *adapter)
+{
+ u32 val = 0;
+ int loops = 0;
+
+ netxen_nic_hw_read_wx(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, &val, 4);
+ writel(1,
+ NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
+
+ if (0 == val) {
+ while (val != PHAN_INITIALIZE_COMPLETE && loops < 200000) {
+ udelay(100);
+ val =
+ readl(NETXEN_CRB_NORMALIZE
+ (adapter, CRB_CMDPEG_STATE));
+ loops++;
+ }
+ if (val != PHAN_INITIALIZE_COMPLETE)
+ printk("WARNING: Initial boot wait loop failed...\n");
+ }
+}
+
+int netxen_nic_rx_has_work(struct netxen_adapter *adapter)
+{
+ int ctx;
+
+ for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+ struct netxen_recv_context *recv_ctx =
+ &(adapter->recv_ctx[ctx]);
+ u32 consumer;
+ struct status_desc *desc_head;
+ struct status_desc *desc; /* used to read status desc here */
+
+ consumer = recv_ctx->status_rx_consumer;
+ desc_head = recv_ctx->rcv_status_desc_head;
+ desc = &desc_head[consumer];
+
+ if (((le16_to_cpu(desc->owner)) & STATUS_OWNER_HOST))
+ return 1;
+ }
+
+ return 0;
+}
+
+void netxen_watchdog_task(unsigned long v)
+{
+ int port_num;
+ struct netxen_port *port;
+ struct net_device *netdev;
+ struct netxen_adapter *adapter = (struct netxen_adapter *)v;
+
+ for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) {
+ port = adapter->port[port_num];
+ netdev = port->netdev;
+
+ if ((netif_running(netdev)) && !netif_carrier_ok(netdev)) {
+ printk(KERN_INFO "%s port %d, %s carrier is now ok\n",
+ netxen_nic_driver_name, port_num, netdev->name);
+ netif_carrier_on(netdev);
+ }
+
+ if (netif_queue_stopped(netdev))
+ netif_wake_queue(netdev);
+ }
+
+ netxen_nic_pci_change_crbwindow(adapter, 1);
+
+ if (adapter->ops->handle_phy_intr)
+ adapter->ops->handle_phy_intr(adapter);
+ mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+}
+
+/*
+ * netxen_process_rcv() send the received packet to the protocol stack.
+ * and if the number of receives exceeds RX_BUFFERS_REFILL, then we
+ * invoke the routine to send more rx buffers to the Phantom...
+ */
+void
+netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
+ struct status_desc *desc)
+{
+ struct netxen_port *port = adapter->port[STATUS_DESC_PORT(desc)];
+ struct pci_dev *pdev = port->pdev;
+ struct net_device *netdev = port->netdev;
+ int index = le16_to_cpu(desc->reference_handle);
+ struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]);
+ struct netxen_rx_buffer *buffer;
+ struct sk_buff *skb;
+ u32 length = le16_to_cpu(desc->total_length);
+ u32 desc_ctx;
+ struct netxen_rcv_desc_ctx *rcv_desc;
+ int ret;
+
+ desc_ctx = STATUS_DESC_TYPE(desc);
+ if (unlikely(desc_ctx >= NUM_RCV_DESC_RINGS)) {
+ printk("%s: %s Bad Rcv descriptor ring\n",
+ netxen_nic_driver_name, netdev->name);
+ return;
+ }
+
+ rcv_desc = &recv_ctx->rcv_desc[desc_ctx];
+ buffer = &rcv_desc->rx_buf_arr[index];
+
+ pci_unmap_single(pdev, buffer->dma, rcv_desc->dma_size,
+ PCI_DMA_FROMDEVICE);
+
+ skb = (struct sk_buff *)buffer->skb;
+
+ if (likely(STATUS_DESC_STATUS(desc) == STATUS_CKSUM_OK)) {
+ port->stats.csummed++;
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ } else
+ skb->ip_summed = CHECKSUM_NONE;
+ skb->dev = netdev;
+ skb_put(skb, length);
+ skb->protocol = eth_type_trans(skb, netdev);
+
+ ret = netif_receive_skb(skb);
+
+ /*
+ * RH: Do we need these stats on a regular basis. Can we get it from
+ * Linux stats.
+ */
+ switch (ret) {
+ case NET_RX_SUCCESS:
+ port->stats.uphappy++;
+ break;
+
+ case NET_RX_CN_LOW:
+ port->stats.uplcong++;
+ break;
+
+ case NET_RX_CN_MOD:
+ port->stats.upmcong++;
+ break;
+
+ case NET_RX_CN_HIGH:
+ port->stats.uphcong++;
+ break;
+
+ case NET_RX_DROP:
+ port->stats.updropped++;
+ break;
+
+ default:
+ port->stats.updunno++;
+ break;
+ }
+
+ netdev->last_rx = jiffies;
+
+ rcv_desc->rcv_free++;
+ rcv_desc->rcv_pending--;
+
+ /*
+ * We just consumed one buffer so post a buffer.
+ */
+ adapter->stats.post_called++;
+ buffer->skb = NULL;
+ buffer->state = NETXEN_BUFFER_FREE;
+
+ port->stats.no_rcv++;
+ port->stats.rxbytes += length;
+}
+
+/* Process Receive status ring */
+u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max)
+{
+ struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]);
+ struct status_desc *desc_head = recv_ctx->rcv_status_desc_head;
+ struct status_desc *desc; /* used to read status desc here */
+ u32 consumer = recv_ctx->status_rx_consumer;
+ int count = 0, ring;
+
+ DPRINTK(INFO, "procesing receive\n");
+ /*
+ * we assume in this case that there is only one port and that is
+ * port #1...changes need to be done in firmware to indicate port
+ * number as part of the descriptor. This way we will be able to get
+ * the netdev which is associated with that device.
+ */
+ while (count < max) {
+ desc = &desc_head[consumer];
+ if (!((le16_to_cpu(desc->owner)) & STATUS_OWNER_HOST)) {
+ DPRINTK(ERR, "desc %p ownedby %x\n", desc, desc->owner);
+ break;
+ }
+ netxen_process_rcv(adapter, ctxid, desc);
+ desc->owner = STATUS_OWNER_PHANTOM;
+ consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1);
+ count++;
+ }
+ if (count) {
+ for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+ netxen_post_rx_buffers(adapter, ctxid, ring);
+ }
+ }
+
+ /* update the consumer index in phantom */
+ if (count) {
+ adapter->stats.process_rcv++;
+ recv_ctx->status_rx_consumer = consumer;
+
+ /* Window = 1 */
+ writel(consumer,
+ NETXEN_CRB_NORMALIZE(adapter,
+ recv_crb_registers[ctxid].
+ crb_rcv_status_consumer));
+ }
+
+ return count;
+}
+
+/* Process Command status ring */
+void netxen_process_cmd_ring(unsigned long data)
+{
+ u32 last_consumer;
+ u32 consumer;
+ struct netxen_adapter *adapter = (struct netxen_adapter *)data;
+ int count = 0;
+ struct netxen_cmd_buffer *buffer;
+ struct netxen_port *port; /* port #1 */
+ struct netxen_port *nport;
+ struct pci_dev *pdev;
+ struct netxen_skb_frag *frag;
+ u32 i;
+ struct sk_buff *skb = NULL;
+ int p;
+
+ spin_lock(&adapter->tx_lock);
+ last_consumer = adapter->last_cmd_consumer;
+ DPRINTK(INFO, "procesing xmit complete\n");
+ /* we assume in this case that there is only one port and that is
+ * port #1...changes need to be done in firmware to indicate port
+ * number as part of the descriptor. This way we will be able to get
+ * the netdev which is associated with that device.
+ */
+ /* Window = 1 */
+ consumer =
+ readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET));
+
+ if (last_consumer == consumer) { /* Ring is empty */
+ DPRINTK(INFO, "last_consumer %d == consumer %d\n",
+ last_consumer, consumer);
+ spin_unlock(&adapter->tx_lock);
+ return;
+ }
+
+ adapter->proc_cmd_buf_counter++;
+ adapter->stats.process_xmit++;
+ /*
+ * Not needed - does not seem to be used anywhere.
+ * adapter->cmd_consumer = consumer;
+ */
+ spin_unlock(&adapter->tx_lock);
+
+ while ((last_consumer != consumer) && (count < MAX_STATUS_HANDLE)) {
+ buffer = &adapter->cmd_buf_arr[last_consumer];
+ port = adapter->port[buffer->port];
+ pdev = port->pdev;
+ frag = &buffer->frag_array[0];
+ skb = buffer->skb;
+ if (skb && (cmpxchg(&buffer->skb, skb, 0) == skb)) {
+ pci_unmap_single(pdev, frag->dma, frag->length,
+ PCI_DMA_TODEVICE);
+ for (i = 1; i < buffer->frag_count; i++) {
+ DPRINTK(INFO, "getting fragment no %d\n", i);
+ frag++; /* Get the next frag */
+ pci_unmap_page(pdev, frag->dma, frag->length,
+ PCI_DMA_TODEVICE);
+ }
+
+ port->stats.skbfreed++;
+ dev_kfree_skb_any(skb);
+ skb = NULL;
+ } else if (adapter->proc_cmd_buf_counter == 1) {
+ port->stats.txnullskb++;
+ }
+ if (unlikely(netif_queue_stopped(port->netdev)
+ && netif_carrier_ok(port->netdev))
+ && ((jiffies - port->netdev->trans_start) >
+ port->netdev->watchdog_timeo)) {
+ schedule_work(&port->adapter->tx_timeout_task);
+ }
+
+ last_consumer = get_next_index(last_consumer,
+ adapter->max_tx_desc_count);
+ count++;
+ }
+ adapter->stats.noxmitdone += count;
+
+ count = 0;
+ spin_lock(&adapter->tx_lock);
+ if ((--adapter->proc_cmd_buf_counter) == 0) {
+ adapter->last_cmd_consumer = last_consumer;
+ while ((adapter->last_cmd_consumer != consumer)
+ && (count < MAX_STATUS_HANDLE)) {
+ buffer =
+ &adapter->cmd_buf_arr[adapter->last_cmd_consumer];
+ count++;
+ if (buffer->skb)
+ break;
+ else
+ adapter->last_cmd_consumer =
+ get_next_index(adapter->last_cmd_consumer,
+ adapter->max_tx_desc_count);
+ }
+ }
+ if (count) {
+ for (p = 0; p < adapter->ahw.max_ports; p++) {
+ nport = adapter->port[p];
+ if (netif_queue_stopped(nport->netdev)
+ && (nport->flags & NETXEN_NETDEV_STATUS)) {
+ netif_wake_queue(nport->netdev);
+ nport->flags &= ~NETXEN_NETDEV_STATUS;
+ }
+ }
+ }
+
+ spin_unlock(&adapter->tx_lock);
+ DPRINTK(INFO, "last consumer is %d in %s\n", last_consumer,
+ __FUNCTION__);
+}
+
+/*
+ * netxen_post_rx_buffers puts buffer in the Phantom memory
+ */
+void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
+{
+ struct pci_dev *pdev = adapter->ahw.pdev;
+ struct sk_buff *skb;
+ struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
+ struct netxen_rcv_desc_ctx *rcv_desc = NULL;
+ struct netxen_recv_crb *crbarea = &recv_crb_registers[ctx];
+ struct netxen_rcv_desc_crb *rcv_desc_crb = NULL;
+ u32 producer;
+ struct rcv_desc *pdesc;
+ struct netxen_rx_buffer *buffer;
+ int count = 0;
+ int index = 0;
+
+ adapter->stats.post_called++;
+ rcv_desc = &recv_ctx->rcv_desc[ringid];
+ rcv_desc_crb = &crbarea->rcv_desc_crb[ringid];
+
+ producer = rcv_desc->producer;
+ index = rcv_desc->begin_alloc;
+ buffer = &rcv_desc->rx_buf_arr[index];
+ /* We can start writing rx descriptors into the phantom memory. */
+ while (buffer->state == NETXEN_BUFFER_FREE) {
+ skb = dev_alloc_skb(rcv_desc->skb_size);
+ if (unlikely(!skb)) {
+ /*
+ * We need to schedule the posting of buffers to the pegs.
+ */
+ rcv_desc->begin_alloc = index;
+ DPRINTK(ERR, "unm_post_rx_buffers: "
+ " allocated only %d buffers\n", count);
+ break;
+ }
+ count++; /* now there should be no failure */
+ pdesc = &rcv_desc->desc_head[producer];
+ skb_reserve(skb, NET_IP_ALIGN);
+ /*
+ * This will be setup when we receive the
+ * buffer after it has been filled
+ * skb->dev = netdev;
+ */
+ buffer->skb = skb;
+ buffer->state = NETXEN_BUFFER_BUSY;
+ buffer->dma = pci_map_single(pdev, skb->data,
+ rcv_desc->dma_size,
+ PCI_DMA_FROMDEVICE);
+ /* make a rcv descriptor */
+ pdesc->reference_handle = le16_to_cpu(buffer->ref_handle);
+ pdesc->buffer_length = le16_to_cpu(rcv_desc->dma_size);
+ pdesc->addr_buffer = cpu_to_le64(buffer->dma);
+ DPRINTK(INFO, "done writing descripter\n");
+ producer =
+ get_next_index(producer, rcv_desc->max_rx_desc_count);
+ index = get_next_index(index, rcv_desc->max_rx_desc_count);
+ buffer = &rcv_desc->rx_buf_arr[index];
+ }
+
+ /* if we did allocate buffers, then write the count to Phantom */
+ if (count) {
+ rcv_desc->begin_alloc = index;
+ rcv_desc->rcv_pending += count;
+ adapter->stats.lastposted = count;
+ adapter->stats.posted += count;
+ rcv_desc->producer = producer;
+ if (rcv_desc->rcv_free >= 32) {
+ rcv_desc->rcv_free = 0;
+ /* Window = 1 */
+ writel((producer - 1) &
+ (rcv_desc->max_rx_desc_count - 1),
+ NETXEN_CRB_NORMALIZE(adapter,
+ rcv_desc_crb->
+ crb_rcv_producer_offset));
+ wmb();
+ }
+ }
+}
+
+int netxen_nic_tx_has_work(struct netxen_adapter *adapter)
+{
+ if (find_diff_among(adapter->last_cmd_consumer,
+ adapter->cmd_producer,
+ adapter->max_tx_desc_count) > 0)
+ return 1;
+
+ return 0;
+}
+
+int
+netxen_nic_fill_statistics(struct netxen_adapter *adapter,
+ struct netxen_port *port,
+ struct netxen_statistics *netxen_stats)
+{
+ void __iomem *addr;
+
+ if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
+ netxen_nic_pci_change_crbwindow(adapter, 0);
+ NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_BYTE_CNT,
+ &(netxen_stats->tx_bytes));
+ NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_FRAME_CNT,
+ &(netxen_stats->tx_packets));
+ NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_BYTE_CNT,
+ &(netxen_stats->rx_bytes));
+ NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_FRAME_CNT,
+ &(netxen_stats->rx_packets));
+ NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_AGGR_ERROR_CNT,
+ &(netxen_stats->rx_errors));
+ NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_CRC_ERROR_CNT,
+ &(netxen_stats->rx_crc_errors));
+ NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
+ &(netxen_stats->
+ rx_long_length_error));
+ NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
+ &(netxen_stats->
+ rx_short_length_error));
+
+ netxen_nic_pci_change_crbwindow(adapter, 1);
+ } else {
+ spin_lock_bh(&adapter->tx_lock);
+ netxen_stats->tx_bytes = port->stats.txbytes;
+ netxen_stats->tx_packets = port->stats.xmitedframes +
+ port->stats.xmitfinished;
+ netxen_stats->rx_bytes = port->stats.rxbytes;
+ netxen_stats->rx_packets = port->stats.no_rcv;
+ netxen_stats->rx_errors = port->stats.rcvdbadskb;
+ netxen_stats->tx_errors = port->stats.nocmddescriptor;
+ netxen_stats->rx_short_length_error = port->stats.uplcong;
+ netxen_stats->rx_long_length_error = port->stats.uphcong;
+ netxen_stats->rx_crc_errors = 0;
+ netxen_stats->rx_mac_errors = 0;
+ spin_unlock_bh(&adapter->tx_lock);
+ }
+ return 0;
+}
+
+void netxen_nic_clear_stats(struct netxen_adapter *adapter)
+{
+ struct netxen_port *port;
+ int port_num;
+
+ memset(&adapter->stats, 0, sizeof(adapter->stats));
+ for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) {
+ port = adapter->port[port_num];
+ memset(&port->stats, 0, sizeof(port->stats));
+ }
+}
+
+int
+netxen_nic_clear_statistics(struct netxen_adapter *adapter,
+ struct netxen_port *port)
+{
+ int data = 0;
+
+ netxen_nic_pci_change_crbwindow(adapter, 0);
+
+ netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_BYTE_CNT, &data);
+ netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_FRAME_CNT,
+ &data);
+ netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_BYTE_CNT, &data);
+ netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_FRAME_CNT,
+ &data);
+ netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_AGGR_ERROR_CNT,
+ &data);
+ netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_CRC_ERROR_CNT,
+ &data);
+ netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
+ &data);
+ netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
+ &data);
+
+ netxen_nic_pci_change_crbwindow(adapter, 1);
+ netxen_nic_clear_stats(adapter);
+ return 0;
+}
+
+int
+netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data,
+ struct netxen_port *port)
+{
+ struct netxen_nic_ioctl_data data;
+ struct netxen_nic_ioctl_data *up_data;
+ int retval = 0;
+ struct netxen_statistics netxen_stats;
+
+ up_data = (void *)u_data;
+
+ DPRINTK(INFO, "doing ioctl for %p\n", adapter);
+ if (copy_from_user(&data, (void __user *)up_data, sizeof(data))) {
+ /* evil user tried to crash the kernel */
+ DPRINTK(ERR, "bad copy from userland: %d\n", (int)sizeof(data));
+ retval = -EFAULT;
+ goto error_out;
+ }
+
+ /* Shouldn't access beyond legal limits of "char u[64];" member */
+ if (!data.ptr && (data.size > sizeof(data.u))) {
+ /* evil user tried to crash the kernel */
+ DPRINTK(ERR, "bad size: %d\n", data.size);
+ retval = -EFAULT;
+ goto error_out;
+ }
+
+ switch (data.cmd) {
+ case netxen_nic_cmd_pci_read:
+ if ((retval = netxen_nic_hw_read_wx(adapter, data.off,
+ &(data.u), data.size)))
+ goto error_out;
+ if (copy_to_user
+ ((void __user *)&(up_data->u), &(data.u), data.size)) {
+ DPRINTK(ERR, "bad copy to userland: %d\n",
+ (int)sizeof(data));
+ retval = -EFAULT;
+ goto error_out;
+ }
+ data.rv = 0;
+ break;
+
+ case netxen_nic_cmd_pci_write:
+ data.rv = netxen_nic_hw_write_wx(adapter, data.off, &(data.u),
+ data.size);
+ break;
+
+ case netxen_nic_cmd_pci_config_read:
+ switch (data.size) {
+ case 1:
+ data.rv = pci_read_config_byte(adapter->ahw.pdev,
+ data.off,
+ (char *)&(data.u));
+ break;
+ case 2:
+ data.rv = pci_read_config_word(adapter->ahw.pdev,
+ data.off,
+ (short *)&(data.u));
+ break;
+ case 4:
+ data.rv = pci_read_config_dword(adapter->ahw.pdev,
+ data.off,
+ (u32 *) & (data.u));
+ break;
+ }
+ if (copy_to_user
+ ((void __user *)&(up_data->u), &(data.u), data.size)) {
+ DPRINTK(ERR, "bad copy to userland: %d\n",
+ (int)sizeof(data));
+ retval = -EFAULT;
+ goto error_out;
+ }
+ break;
+
+ case netxen_nic_cmd_pci_config_write:
+ switch (data.size) {
+ case 1:
+ data.rv = pci_write_config_byte(adapter->ahw.pdev,
+ data.off,
+ *(char *)&(data.u));
+ break;
+ case 2:
+ data.rv = pci_write_config_word(adapter->ahw.pdev,
+ data.off,
+ *(short *)&(data.u));
+ break;
+ case 4:
+ data.rv = pci_write_config_dword(adapter->ahw.pdev,
+ data.off,
+ *(u32 *) & (data.u));
+ break;
+ }
+ break;
+
+ case netxen_nic_cmd_get_stats:
+ data.rv =
+ netxen_nic_fill_statistics(adapter, port, &netxen_stats);
+ if (copy_to_user
+ ((void __user *)(up_data->ptr), (void *)&netxen_stats,
+ sizeof(struct netxen_statistics))) {
+ DPRINTK(ERR, "bad copy to userland: %d\n",
+ (int)sizeof(netxen_stats));
+ retval = -EFAULT;
+ goto error_out;
+ }
+ up_data->rv = data.rv;
+ break;
+
+ case netxen_nic_cmd_clear_stats:
+ data.rv = netxen_nic_clear_statistics(adapter, port);
+ up_data->rv = data.rv;
+ break;
+
+ case netxen_nic_cmd_get_version:
+ if (copy_to_user
+ ((void __user *)&(up_data->u), NETXEN_NIC_LINUX_VERSIONID,
+ sizeof(NETXEN_NIC_LINUX_VERSIONID))) {
+ DPRINTK(ERR, "bad copy to userland: %d\n",
+ (int)sizeof(data));
+ retval = -EFAULT;
+ goto error_out;
+ }
+ break;
+
+ default:
+ DPRINTK(INFO, "bad command %d for %p\n", data.cmd, adapter);
+ retval = -EOPNOTSUPP;
+ goto error_out;
+ }
+ put_user(data.rv, (u16 __user *) (&(up_data->rv)));
+ DPRINTK(INFO, "done ioctl for %p well.\n", adapter);
+
+ error_out:
+ return retval;
+}
^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 2.6.18 4/9] NetXen: intr routines and niu handling
2006-09-27 15:27 [PATCH 2.6.18 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
` (2 preceding siblings ...)
2006-09-27 15:38 ` [PATCH 2.6.18 3/9] NetXen: hw initialization routines Amit S. Kale
@ 2006-09-27 15:39 ` Amit S. Kale
2006-09-27 15:43 ` [PATCH 2.6.18 5/9] NetXen: ethtool interface Amit S. Kale
` (4 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Amit S. Kale @ 2006-09-27 15:39 UTC (permalink / raw)
To: netdev
Cc: Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx,
Randy Dunlap, jeff
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/netxen_nic_isr.c linux-2.6.18/drivers/net/netxen/netxen_nic_isr.c
--- linux-2.6.18.orig/drivers/net/netxen/netxen_nic_isr.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/netxen_nic_isr.c 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,221 @@
+/*
+ * 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
+ */
+
+#include <linux/netdevice.h>
+#include <linux/delay.h>
+
+#include "netxen_nic.h"
+#include "netxen_nic_hw.h"
+#include "netxen_nic_phan_reg.h"
+
+/*
+ * netxen_nic_get_stats - Get System Network Statistics
+ * @netdev: network interface device structure
+ */
+struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
+{
+ struct netxen_port *port = netdev_priv(netdev);
+ struct net_device_stats *stats = &port->net_stats;
+
+ memset(stats, 0, sizeof(*stats));
+
+ /* total packets received */
+ stats->rx_packets = port->stats.no_rcv;
+ /* total packets transmitted */
+ stats->tx_packets = port->stats.xmitedframes + port->stats.xmitfinished;
+ /* total bytes received */
+ stats->rx_bytes = port->stats.rxbytes;
+ /* total bytes transmitted */
+ stats->tx_bytes = port->stats.txbytes;
+ /* bad packets received */
+ stats->rx_errors = port->stats.rcvdbadskb;
+ /* packet transmit problems */
+ stats->tx_errors = port->stats.nocmddescriptor;
+ /* no space in linux buffers */
+ stats->rx_dropped = port->stats.updropped;
+ /* no space available in linux */
+ stats->tx_dropped = port->stats.txdropped;
+
+ return stats;
+}
+
+void netxen_indicate_link_status(struct netxen_adapter *adapter, u32 portno,
+ u32 link)
+{
+ struct netxen_port *pport = adapter->port[portno];
+ struct net_device *netdev = pport->netdev;
+
+ if (link)
+ netif_carrier_on(netdev);
+ else
+ netif_carrier_off(netdev);
+}
+
+void netxen_handle_port_int(struct netxen_adapter *adapter, u32 portno,
+ u32 enable)
+{
+ __le32 int_src;
+ struct netxen_port *port;
+
+ /* This should clear the interrupt source */
+ if (adapter->ops->phy_read)
+ adapter->ops->phy_read(adapter, portno,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS,
+ &int_src);
+ if (int_src == 0) {
+ DPRINTK(INFO, "No phy interrupts for port #%d\n", portno);
+ return;
+ }
+ if (adapter->ops->disable_phy_interrupts)
+ adapter->ops->disable_phy_interrupts(adapter, portno);
+
+ port = adapter->port[portno];
+
+ if (netxen_get_phy_int_jabber(int_src))
+ DPRINTK(INFO, "NetXen: %s Jabber interrupt \n",
+ port->netdev->name);
+
+ if (netxen_get_phy_int_polarity_changed(int_src))
+ DPRINTK(INFO, "NetXen: %s POLARITY CHANGED int \n",
+ port->netdev->name);
+
+ if (netxen_get_phy_int_energy_detect(int_src))
+ DPRINTK(INFO, "NetXen: %s ENERGY DETECT INT \n",
+ port->netdev->name);
+
+ if (netxen_get_phy_int_downshift(int_src))
+ DPRINTK(INFO, "NetXen: %s DOWNSHIFT INT \n",
+ port->netdev->name);
+ /* write it down later.. */
+ if ((netxen_get_phy_int_speed_changed(int_src))
+ || (netxen_get_phy_int_link_status_changed(int_src))) {
+ __le32 status;
+
+ DPRINTK(INFO, "NetXen: %s SPEED CHANGED OR"
+ " LINK STATUS CHANGED \n", port->netdev->name);
+
+ if (adapter->ops->phy_read
+ && adapter->ops->phy_read(adapter, portno,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+ &status) == 0) {
+ if (netxen_get_phy_int_link_status_changed(int_src)) {
+ if (netxen_get_phy_link(status)) {
+ netxen_niu_gbe_init_port(adapter,
+ portno);
+ printk("%s: %s Link UP\n",
+ netxen_nic_driver_name,
+ port->netdev->name);
+
+ } else {
+ printk("%s: %s Link DOWN\n",
+ netxen_nic_driver_name,
+ port->netdev->name);
+ }
+ netxen_indicate_link_status(adapter, portno,
+ netxen_get_phy_link
+ (status));
+ }
+ }
+ }
+ if (adapter->ops->enable_phy_interrupts)
+ adapter->ops->enable_phy_interrupts(adapter, portno);
+}
+
+void netxen_nic_isr_other(struct netxen_adapter *adapter)
+{
+ u32 enable, portno;
+ u32 i2qhi;
+
+ /*
+ * bit 3 is for i2qInt, if high its enabled
+ * check for phy interrupts
+ * read vector and check for bit 45 for phy
+ * clear int by writing the same value into ISR_INT_VECTOR REG
+ */
+
+ DPRINTK(INFO, "I2Q is the source of INT \n");
+
+ /* verify the offset */
+ i2qhi = readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_I2Q_CLR_PCI_HI));
+
+ DPRINTK(INFO, "isr NETXEN_I2Q_CLR_PCI_HI = 0x%x \n", i2qhi);
+
+ if (i2qhi & 0x4000) {
+ for (portno = 0; portno < NETXEN_NIU_MAX_GBE_PORTS; portno++) {
+ DPRINTK(INFO, "External PHY interrupt ON PORT %d\n",
+ portno);
+
+ enable = 1;
+ netxen_handle_port_int(adapter, portno, enable);
+ }
+
+ /* Clear the interrupt on I2Q */
+ writel((u32) i2qhi,
+ NETXEN_CRB_NORMALIZE(adapter, NETXEN_I2Q_CLR_PCI_HI));
+
+ }
+}
+
+void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter)
+{
+ u32 val;
+ val = readl(NETXEN_CRB_NORMALIZE(adapter, ISR_INT_VECTOR));
+ if (val & 0x4) {
+ adapter->stats.otherints++;
+ netxen_nic_isr_other(adapter);
+ }
+}
+
+void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter)
+{
+ struct net_device *netdev = adapter->port[0]->netdev;
+ u32 val;
+
+ /* WINDOW = 1 */
+ val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
+
+ if (adapter->ahw.xg_linkup == 1 && val != XG_LINK_UP) {
+ printk(KERN_INFO "%s: %s NIC Link is down\n",
+ netxen_nic_driver_name, netdev->name);
+ adapter->ahw.xg_linkup = 0;
+ /* read twice to clear sticky bits */
+ /* WINDOW = 0 */
+ netxen_nic_read_w0(adapter, NETXEN_NIU_XG_STATUS, &val);
+ netxen_nic_read_w0(adapter, NETXEN_NIU_XG_STATUS, &val);
+
+ if ((val & 0xffb) != 0xffb) {
+ printk(KERN_INFO "%s ISR: Sync/Align BAD: 0x%08x\n",
+ netxen_nic_driver_name, val);
+ }
+ } else if (adapter->ahw.xg_linkup == 0 && val == XG_LINK_UP) {
+ printk(KERN_INFO "%s: %s NIC Link is up\n",
+ netxen_nic_driver_name, netdev->name);
+ adapter->ahw.xg_linkup = 1;
+ }
+}
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/netxen_nic_niu.c linux-2.6.18/drivers/net/netxen/netxen_nic_niu.c
--- linux-2.6.18.orig/drivers/net/netxen/netxen_nic_niu.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/netxen_nic_niu.c 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,800 @@
+/*
+ * 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
+ *
+ *
+ * Provides access to the Network Interface Unit h/w block.
+ *
+ */
+
+#include "netxen_nic.h"
+#include <linux/delay.h>
+
+/*
+ * netxen_niu_gbe_phy_read - read a register from the GbE PHY via
+ * mii management interface.
+ *
+ * Note: The MII management interface goes through port 0.
+ * Individual phys are addressed as follows:
+ * @param phy [15:8] phy id
+ * @param reg [7:0] register number
+ *
+ * @returns 0 on success
+ * -1 on error
+ *
+ */
+int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy,
+ long reg, __le32 * readval)
+{
+ long timeout = 0;
+ long result = 0;
+ long restore = 0;
+ __le32 address;
+ __le32 command;
+ __le32 status;
+ __le32 mii_cfg;
+ __le32 mac_cfg0;
+
+ /* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */
+ if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
+ &mac_cfg0, 4))
+ return -EIO;
+ if (netxen_gb_get_soft_reset(mac_cfg0)) {
+ __le32 temp;
+ temp = 0;
+ netxen_gb_tx_reset_pb(temp);
+ netxen_gb_rx_reset_pb(temp);
+ netxen_gb_tx_reset_mac(temp);
+ netxen_gb_rx_reset_mac(temp);
+ if (netxen_nic_hw_write_wx(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0(0),
+ &temp, 4))
+ return -EIO;
+ restore = 1;
+ }
+
+ /* reset MII management interface */
+ mii_cfg = 0;
+ netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7);
+ netxen_gb_mii_mgmt_reset(mii_cfg);
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
+ &mii_cfg, 4))
+ return -EIO;
+ netxen_gb_mii_mgmt_unset(mii_cfg);
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
+ &mii_cfg, 4))
+ return -EIO;
+
+ address = 0;
+ netxen_gb_mii_mgmt_reg_addr(address, reg);
+ netxen_gb_mii_mgmt_phy_addr(address, phy);
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0),
+ &address, 4))
+ return -EIO;
+ command = 0; /* turn off any prior activity */
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+ &command, 4))
+ return -EIO;
+ /* send read command */
+ netxen_gb_mii_mgmt_set_read_cycle(command);
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+ &command, 4))
+ return -EIO;
+
+ status = 0;
+ do {
+ if (netxen_nic_hw_read_wx(adapter,
+ NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
+ &status, 4))
+ return -EIO;
+ timeout++;
+ } while ((netxen_get_gb_mii_mgmt_busy(status)
+ || netxen_get_gb_mii_mgmt_notvalid(status))
+ && (timeout++ < NETXEN_NIU_PHY_WAITMAX));
+
+ if (timeout < NETXEN_NIU_PHY_WAITMAX) {
+ if (netxen_nic_hw_read_wx(adapter,
+ NETXEN_NIU_GB_MII_MGMT_STATUS(0),
+ readval, 4))
+ return -EIO;
+ result = 0;
+ } else
+ result = -1;
+
+ if (restore)
+ if (netxen_nic_hw_write_wx(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0(0),
+ &mac_cfg0, 4))
+ return -EIO;
+
+ return result;
+}
+
+/*
+ * netxen_niu_gbe_phy_write - write a register to the GbE PHY via
+ * mii management interface.
+ *
+ * Note: The MII management interface goes through port 0.
+ * Individual phys are addressed as follows:
+ * @param phy [15:8] phy id
+ * @param reg [7:0] register number
+ *
+ * @returns 0 on success
+ * -1 on error
+ *
+ */
+int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter,
+ long phy, long reg, __le32 val)
+{
+ long timeout = 0;
+ long result = 0;
+ long restore = 0;
+ __le32 address;
+ __le32 command;
+ __le32 status;
+ __le32 mac_cfg0;
+
+ /* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */
+ if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
+ &mac_cfg0, 4))
+ return -EIO;
+ if (netxen_gb_get_soft_reset(mac_cfg0)) {
+ __le32 temp;
+ temp = 0;
+ netxen_gb_tx_reset_pb(temp);
+ netxen_gb_rx_reset_pb(temp);
+ netxen_gb_tx_reset_mac(temp);
+ netxen_gb_rx_reset_mac(temp);
+
+ if (netxen_nic_hw_write_wx(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0(0),
+ &temp, 4))
+ return -EIO;
+ restore = 1;
+ }
+
+ command = 0; /* turn off any prior activity */
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+ &command, 4))
+ return -EIO;
+
+ address = 0;
+ netxen_gb_mii_mgmt_reg_addr(address, reg);
+ netxen_gb_mii_mgmt_phy_addr(address, phy);
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0),
+ &address, 4))
+ return -EIO;
+
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CTRL(0),
+ &val, 4))
+ return -EIO;
+
+ status = 0;
+ do {
+ if (netxen_nic_hw_read_wx(adapter,
+ NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
+ &status, 4))
+ return -EIO;
+ timeout++;
+ } while ((netxen_get_gb_mii_mgmt_busy(status))
+ && (timeout++ < NETXEN_NIU_PHY_WAITMAX));
+
+ if (timeout < NETXEN_NIU_PHY_WAITMAX)
+ result = 0;
+ else
+ result = -EIO;
+
+ /* restore the state of port 0 MAC in case we tampered with it */
+ if (restore)
+ if (netxen_nic_hw_write_wx(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0(0),
+ &mac_cfg0, 4))
+ return -EIO;
+
+ return result;
+}
+
+int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter,
+ int port)
+{
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x3f);
+ return 0;
+}
+
+int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter,
+ int port)
+{
+ int result = 0;
+ __le32 enable = 0;
+ netxen_set_phy_int_link_status_changed(enable);
+ netxen_set_phy_int_autoneg_completed(enable);
+ netxen_set_phy_int_speed_changed(enable);
+
+ if (0 !=
+ netxen_niu_gbe_phy_write(adapter, port,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE,
+ enable))
+ result = -EIO;
+
+ return result;
+}
+
+int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter,
+ int port)
+{
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x7f);
+ return 0;
+}
+
+int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter,
+ int port)
+{
+ int result = 0;
+ if (0 !=
+ netxen_niu_gbe_phy_write(adapter, port,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, 0))
+ result = -EIO;
+
+ return result;
+}
+
+int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter,
+ int port)
+{
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_ACTIVE_INT, -1);
+ return 0;
+}
+
+int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter,
+ int port)
+{
+ int result = 0;
+ if (0 !=
+ netxen_niu_gbe_phy_write(adapter, port,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS,
+ -EIO))
+ result = -EIO;
+
+ return result;
+}
+
+/*
+ * netxen_niu_gbe_set_mii_mode- Set 10/100 Mbit Mode for GbE MAC
+ *
+ */
+void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter,
+ int port, long enable)
+{
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2);
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+ 0x80000000);
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+ 0x0000f0025);
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port),
+ 0xf1ff);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_GB0_GMII_MODE + (port << 3), 0);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_GB0_MII_MODE + (port << 3), 1);
+ netxen_crb_writelit_adapter(adapter,
+ (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7);
+
+ if (enable) {
+ /*
+ * Do NOT enable flow control until a suitable solution for
+ * shutting down pause frames is found.
+ */
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0(port),
+ 0x5);
+ }
+
+ if (netxen_niu_gbe_enable_phy_interrupts(adapter, port))
+ printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n");
+ if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+ printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n");
+}
+
+/*
+ * netxen_niu_gbe_set_gmii_mode- Set GbE Mode for GbE MAC
+ */
+void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter,
+ int port, long enable)
+{
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2);
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+ 0x80000000);
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+ 0x0000f0025);
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port),
+ 0xf2ff);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_GB0_MII_MODE + (port << 3), 0);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_GB0_GMII_MODE + (port << 3), 1);
+ netxen_crb_writelit_adapter(adapter,
+ (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7);
+
+ if (enable) {
+ /*
+ * Do NOT enable flow control until a suitable solution for
+ * shutting down pause frames is found.
+ */
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0(port),
+ 0x5);
+ }
+
+ if (netxen_niu_gbe_enable_phy_interrupts(adapter, port))
+ printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n");
+ if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+ printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n");
+}
+
+int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port)
+{
+ int result = 0;
+ __le32 status;
+ if (adapter->ops->disable_phy_interrupts)
+ adapter->ops->disable_phy_interrupts(adapter, port);
+ mdelay(2);
+
+ if (0 ==
+ netxen_niu_gbe_phy_read(adapter, port,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+ (__le32 *) & status)) {
+ if (netxen_get_phy_link(status)) {
+ if (netxen_get_phy_speed(status) == 2) {
+ netxen_niu_gbe_set_gmii_mode(adapter, port, 1);
+ } else if ((netxen_get_phy_speed(status) == 1)
+ || (netxen_get_phy_speed(status) == 0)) {
+ netxen_niu_gbe_set_mii_mode(adapter, port, 1);
+ } else {
+ result = -1;
+ }
+
+ } else {
+ /* We don't have link. Cable must be unconnected. */
+ /* Enable phy interrupts so we take action when plugged in */
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0
+ (port), 0x80000000);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0
+ (port), 0x0000f0025);
+ if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+ printk(KERN_ERR PFX
+ "ERROR clearing PHY interrupts\n");
+ if (netxen_niu_gbe_enable_phy_interrupts(adapter, port))
+ printk(KERN_ERR PFX
+ "ERROR enabling PHY interrupts\n");
+ if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+ printk(KERN_ERR PFX
+ "ERROR clearing PHY interrupts\n");
+ result = -1;
+ }
+ } else {
+ result = -EIO;
+ }
+ return result;
+}
+
+/*
+ * netxen_niu_gbe_handle_phy_interrupt - Handles GbE PHY interrupts
+ * @param enable 0 means don't enable the port
+ * 1 means enable (or re-enable) the port
+ */
+int netxen_niu_gbe_handle_phy_interrupt(struct netxen_adapter *adapter,
+ int port, long enable)
+{
+ int result = 0;
+ __le32 int_src;
+
+ printk(KERN_INFO PFX "NETXEN: Handling PHY interrupt on port %d"
+ " (device enable = %d)\n", (int)port, (int)enable);
+
+ /* The read of the PHY INT status will clear the pending interrupt status */
+ if (netxen_niu_gbe_phy_read(adapter, port,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS,
+ &int_src) != 0)
+ result = -EINVAL;
+ else {
+ printk(KERN_INFO PFX "PHY Interrupt source = 0x%x \n", int_src);
+ if (netxen_get_phy_int_jabber(int_src))
+ printk(KERN_INFO PFX "jabber Interrupt ");
+ if (netxen_get_phy_int_polarity_changed(int_src))
+ printk(KERN_INFO PFX "polarity changed ");
+ if (netxen_get_phy_int_energy_detect(int_src))
+ printk(KERN_INFO PFX "energy detect \n");
+ if (netxen_get_phy_int_downshift(int_src))
+ printk(KERN_INFO PFX "downshift \n");
+ if (netxen_get_phy_int_mdi_xover_changed(int_src))
+ printk(KERN_INFO PFX "mdi_xover_changed ");
+ if (netxen_get_phy_int_fifo_over_underflow(int_src))
+ printk(KERN_INFO PFX "fifo_over_underflow ");
+ if (netxen_get_phy_int_false_carrier(int_src))
+ printk(KERN_INFO PFX "false_carrier ");
+ if (netxen_get_phy_int_symbol_error(int_src))
+ printk(KERN_INFO PFX "symbol_error ");
+ if (netxen_get_phy_int_autoneg_completed(int_src))
+ printk(KERN_INFO PFX "autoneg_completed ");
+ if (netxen_get_phy_int_page_received(int_src))
+ printk(KERN_INFO PFX "page_received ");
+ if (netxen_get_phy_int_duplex_changed(int_src))
+ printk(KERN_INFO PFX "duplex_changed ");
+ if (netxen_get_phy_int_autoneg_error(int_src))
+ printk(KERN_INFO PFX "autoneg_error ");
+ if ((netxen_get_phy_int_speed_changed(int_src))
+ || (netxen_get_phy_int_link_status_changed(int_src))) {
+ __le32 status;
+
+ printk(KERN_INFO PFX
+ "speed_changed or link status changed");
+ if (netxen_niu_gbe_phy_read
+ (adapter, port,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+ &status) == 0) {
+ if (netxen_get_phy_speed(status) == 2) {
+ printk
+ (KERN_INFO PFX "Link speed changed"
+ " to 1000 Mbps\n");
+ netxen_niu_gbe_set_gmii_mode(adapter,
+ port,
+ enable);
+ } else if (netxen_get_phy_speed(status) == 1) {
+ printk
+ (KERN_INFO PFX "Link speed changed"
+ " to 100 Mbps\n");
+ netxen_niu_gbe_set_mii_mode(adapter,
+ port,
+ enable);
+ } else if (netxen_get_phy_speed(status) == 0) {
+ printk
+ (KERN_INFO PFX "Link speed changed"
+ " to 10 Mbps\n");
+ netxen_niu_gbe_set_mii_mode(adapter,
+ port,
+ enable);
+ } else {
+ printk(KERN_ERR PFX "ERROR reading"
+ "PHY status. Illegal speed.\n");
+ result = -1;
+ }
+ } else {
+ printk(KERN_ERR PFX
+ "ERROR reading PHY status.\n");
+ result = -1;
+ }
+
+ }
+ printk(KERN_INFO "\n");
+ }
+ return result;
+}
+
+/*
+ * Return the current station MAC address.
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_macaddr_get(struct netxen_adapter *adapter,
+ int phy, netxen_ethernet_macaddr_t * addr)
+{
+ u64 result = 0;
+ __le32 stationhigh;
+ __le32 stationlow;
+
+ if (addr == NULL)
+ return -EINVAL;
+ if ((phy < 0) || (phy > 3))
+ return -EINVAL;
+
+ if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy),
+ &stationhigh, 4))
+ return -EIO;
+ if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy),
+ &stationlow, 4))
+ return -EIO;
+
+ result = (u64) netxen_gb_get_stationaddress_low(stationlow);
+ result |= (u64) stationhigh << 16;
+ memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t));
+
+ return 0;
+}
+
+/*
+ * Set the station MAC address.
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_macaddr_set(struct netxen_port *port,
+ netxen_ethernet_macaddr_t addr)
+{
+ __le32 temp = 0;
+ struct netxen_adapter *adapter = port->adapter;
+ int phy = port->portnum;
+
+ memcpy(&temp, addr, 2);
+ temp <<= 16;
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy),
+ &temp, 4))
+ return -EIO;
+
+ temp = 0;
+
+ memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy),
+ &temp, 4))
+ return -2;
+
+ return 0;
+}
+
+/* Enable a GbE interface */
+int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
+ int port, netxen_niu_gbe_ifmode_t mode)
+{
+ __le32 mac_cfg0;
+ __le32 mac_cfg1;
+ __le32 mii_cfg;
+
+ if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+ return -EINVAL;
+
+ mac_cfg0 = 0;
+ netxen_gb_soft_reset(mac_cfg0);
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+ &mac_cfg0, 4))
+ return -EIO;
+ mac_cfg0 = 0;
+ netxen_gb_enable_tx(mac_cfg0);
+ netxen_gb_enable_rx(mac_cfg0);
+ netxen_gb_unset_rx_flowctl(mac_cfg0);
+ netxen_gb_tx_reset_pb(mac_cfg0);
+ netxen_gb_rx_reset_pb(mac_cfg0);
+ netxen_gb_tx_reset_mac(mac_cfg0);
+ netxen_gb_rx_reset_mac(mac_cfg0);
+
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+ &mac_cfg0, 4))
+ return -EIO;
+ mac_cfg1 = 0;
+ netxen_gb_set_preamblelen(mac_cfg1, 0xf);
+ netxen_gb_set_duplex(mac_cfg1);
+ netxen_gb_set_crc_enable(mac_cfg1);
+ netxen_gb_set_padshort(mac_cfg1);
+ netxen_gb_set_checklength(mac_cfg1);
+ netxen_gb_set_hugeframes(mac_cfg1);
+
+ if (mode == NETXEN_NIU_10_100_MB) {
+ netxen_gb_set_intfmode(mac_cfg1, 1);
+ if (netxen_nic_hw_write_wx(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_1(port),
+ &mac_cfg1, 4))
+ return -EIO;
+
+ /* set mii mode */
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE +
+ (port << 3), 0);
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE +
+ (port << 3), 1);
+
+ } else if (mode == NETXEN_NIU_1000_MB) {
+ netxen_gb_set_intfmode(mac_cfg1, 2);
+ if (netxen_nic_hw_write_wx(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_1(port),
+ &mac_cfg1, 4))
+ return -EIO;
+ /* set gmii mode */
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE +
+ (port << 3), 0);
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE +
+ (port << 3), 1);
+ }
+ mii_cfg = 0;
+ netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7);
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(port),
+ &mii_cfg, 4))
+ return -EIO;
+ mac_cfg0 = 0;
+ netxen_gb_enable_tx(mac_cfg0);
+ netxen_gb_enable_rx(mac_cfg0);
+ netxen_gb_unset_rx_flowctl(mac_cfg0);
+ netxen_gb_unset_tx_flowctl(mac_cfg0);
+
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+ &mac_cfg0, 4))
+ return -EIO;
+ return 0;
+}
+
+/* Disable a GbE interface */
+int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter, int port)
+{
+ __le32 mac_cfg0;
+
+ if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+ return -EINVAL;
+
+ mac_cfg0 = 0;
+ netxen_gb_soft_reset(mac_cfg0);
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+ &mac_cfg0, 4))
+ return -EIO;
+ return 0;
+}
+
+/* Disable an XG interface */
+int netxen_niu_disable_xg_port(struct netxen_adapter *adapter, int port)
+{
+ __le32 mac_cfg;
+
+ if (port != 0)
+ return -EINVAL;
+
+ mac_cfg = 0;
+ netxen_xg_soft_reset(mac_cfg);
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_CONFIG_0,
+ &mac_cfg, 4))
+ return -EIO;
+ return 0;
+}
+
+/* Set promiscuous mode for a GbE interface */
+int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, int port,
+ netxen_niu_prom_mode_t mode)
+{
+ __le32 reg;
+
+ if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+ return -EINVAL;
+
+ /* save previous contents */
+ if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
+ ®, 4))
+ return -EIO;
+ if (mode == NETXEN_NIU_PROMISC_MODE) {
+ switch (port) {
+ case 0:
+ netxen_clear_gb_drop_gb0(reg);
+ break;
+ case 1:
+ netxen_clear_gb_drop_gb1(reg);
+ break;
+ case 2:
+ netxen_clear_gb_drop_gb2(reg);
+ break;
+ case 3:
+ netxen_clear_gb_drop_gb3(reg);
+ break;
+ default:
+ return -EIO;
+ }
+ } else {
+ switch (port) {
+ case 0:
+ netxen_set_gb_drop_gb0(reg);
+ break;
+ case 1:
+ netxen_set_gb_drop_gb1(reg);
+ break;
+ case 2:
+ netxen_set_gb_drop_gb2(reg);
+ break;
+ case 3:
+ netxen_set_gb_drop_gb3(reg);
+ break;
+ default:
+ return -EIO;
+ }
+ }
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
+ ®, 4))
+ return -EIO;
+ return 0;
+}
+
+/*
+ * Set the MAC address for an XG port
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_xg_macaddr_set(struct netxen_port *port,
+ netxen_ethernet_macaddr_t addr)
+{
+ __le32 temp = 0;
+ struct netxen_adapter *adapter = port->adapter;
+
+ memcpy(&temp, addr, 2);
+ temp = cpu_to_le32(temp);
+ temp <<= 16;
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
+ &temp, 4))
+ return -EIO;
+
+ temp = 0;
+
+ memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
+ temp = cpu_to_le32(temp);
+ if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+ &temp, 4))
+ return -EIO;
+
+ return 0;
+}
+
+/*
+ * Return the current station MAC address.
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, int phy,
+ netxen_ethernet_macaddr_t * addr)
+{
+ __le32 stationhigh;
+ __le32 stationlow;
+ u64 result;
+
+ if (addr == NULL)
+ return -EINVAL;
+ if (phy != 0)
+ return -EINVAL;
+
+ if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+ &stationhigh, 4))
+ return -EIO;
+ if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
+ &stationlow, 4))
+ return -EIO;
+
+ result = ((u64) stationlow) >> 16;
+ result |= (u64) stationhigh << 16;
+ memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t));
+
+ return 0;
+}
+
+int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
+ int port, netxen_niu_prom_mode_t mode)
+{
+ __le32 reg;
+
+ if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+ return -EINVAL;
+
+ if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_CONFIG_1, ®, 4))
+ return -EIO;
+ if (mode == NETXEN_NIU_PROMISC_MODE)
+ reg = (reg | 0x2000UL);
+ else
+ reg = (reg & ~0x2000UL);
+
+ netxen_crb_writelit_adapter(adapter, NETXEN_NIU_XGE_CONFIG_1, reg);
+
+ return 0;
+}
^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 2.6.18 5/9] NetXen: ethtool interface
2006-09-27 15:27 [PATCH 2.6.18 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
` (3 preceding siblings ...)
2006-09-27 15:39 ` [PATCH 2.6.18 4/9] NetXen: intr routines and niu handling Amit S. Kale
@ 2006-09-27 15:43 ` Amit S. Kale
2006-09-27 15:46 ` [PATCH 2.6.18 6/9] NetXen: Main header file Amit S. Kale
` (3 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Amit S. Kale @ 2006-09-27 15:43 UTC (permalink / raw)
To: netdev
Cc: Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx,
Randy Dunlap, jeff
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/netxen_nic_ethtool.c linux-2.6.18/drivers/net/netxen/netxen_nic_ethtool.c
--- linux-2.6.18.orig/drivers/net/netxen/netxen_nic_ethtool.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/netxen_nic_ethtool.c 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,715 @@
+/*
+ * 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
+ *
+ *
+ * ethtool support for netxen nic
+ *
+ */
+
+#include <linux/types.h>
+#include <asm/uaccess.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/version.h>
+
+#include "netxen_nic_hw.h"
+#include "netxen_nic.h"
+#include "netxen_nic_phan_reg.h"
+#include "netxen_nic_ioctl.h"
+
+struct netxen_nic_stats {
+ char stat_string[ETH_GSTRING_LEN];
+ int sizeof_stat;
+ int stat_offset;
+};
+
+#define NETXEN_NIC_STAT(m) sizeof(((struct netxen_port *)0)->m), \
+ offsetof(struct netxen_port, m)
+
+static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = {
+ {"rcvd_bad_skb", NETXEN_NIC_STAT(stats.rcvdbadskb)},
+ {"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)},
+ {"xmited_frames", NETXEN_NIC_STAT(stats.xmitedframes)},
+ {"xmit_finished", NETXEN_NIC_STAT(stats.xmitfinished)},
+ {"bad_skb_len", NETXEN_NIC_STAT(stats.badskblen)},
+ {"no_cmd_desc", NETXEN_NIC_STAT(stats.nocmddescriptor)},
+ {"polled", NETXEN_NIC_STAT(stats.polled)},
+ {"uphappy", NETXEN_NIC_STAT(stats.uphappy)},
+ {"updropped", NETXEN_NIC_STAT(stats.updropped)},
+ {"uplcong", NETXEN_NIC_STAT(stats.uplcong)},
+ {"uphcong", NETXEN_NIC_STAT(stats.uphcong)},
+ {"upmcong", NETXEN_NIC_STAT(stats.upmcong)},
+ {"updunno", NETXEN_NIC_STAT(stats.updunno)},
+ {"skb_freed", NETXEN_NIC_STAT(stats.skbfreed)},
+ {"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)},
+ {"tx_null_skb", NETXEN_NIC_STAT(stats.txnullskb)},
+ {"csummed", NETXEN_NIC_STAT(stats.csummed)},
+ {"no_rcv", NETXEN_NIC_STAT(stats.no_rcv)},
+ {"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)},
+ {"tx_bytes", NETXEN_NIC_STAT(stats.txbytes)},
+};
+
+#define NETXEN_NIC_STATS_LEN \
+ sizeof(netxen_nic_gstrings_stats) / sizeof(struct netxen_nic_stats)
+
+static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = {
+ "Register_Test_offline", "EEPROM_Test_offline",
+ "Interrupt_Test_offline", "Loopback_Test_offline",
+ "Link_Test_on_offline"
+};
+
+#define NETXEN_NIC_TEST_LEN sizeof(netxen_nic_gstrings_test) / ETH_GSTRING_LEN
+
+#define NETXEN_NIC_REGS_COUNT 42
+#define NETXEN_NIC_REGS_LEN (NETXEN_NIC_REGS_COUNT * sizeof(__le32))
+#define NETXEN_MAX_EEPROM_LEN 1024
+
+static int netxen_nic_get_eeprom_len(struct net_device *dev)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ struct netxen_adapter *adapter = port->adapter;
+ int n;
+
+ if ((netxen_rom_fast_read(adapter, 0, &n) == 0)
+ && (n & NETXEN_ROM_ROUNDUP)) {
+ n &= ~NETXEN_ROM_ROUNDUP;
+ if (n < NETXEN_MAX_EEPROM_LEN)
+ return n;
+ }
+ return 0;
+}
+
+static void
+netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ struct netxen_adapter *adapter = port->adapter;
+ uint32_t fw_major = 0;
+ uint32_t fw_minor = 0;
+ uint32_t fw_build = 0;
+
+ strncpy(drvinfo->driver, "netxen_nic", 32);
+ strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32);
+ 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));
+ sprintf(drvinfo->fw_version, "%d.%d.%d", fw_major, fw_minor, fw_build);
+
+ strncpy(drvinfo->bus_info, pci_name(port->pdev), 32);
+ drvinfo->n_stats = NETXEN_NIC_STATS_LEN;
+ drvinfo->testinfo_len = NETXEN_NIC_TEST_LEN;
+ drvinfo->regdump_len = NETXEN_NIC_REGS_LEN;
+ drvinfo->eedump_len = netxen_nic_get_eeprom_len(dev);
+}
+
+static int
+netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ struct netxen_adapter *adapter = port->adapter;
+
+ /* read which mode */
+ if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+ ecmd->supported = (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Half |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_TP |
+ SUPPORTED_MII | SUPPORTED_Autoneg);
+
+ ecmd->advertising = (ADVERTISED_100baseT_Half |
+ ADVERTISED_100baseT_Full |
+ ADVERTISED_1000baseT_Half |
+ ADVERTISED_1000baseT_Full |
+ ADVERTISED_TP |
+ ADVERTISED_MII | ADVERTISED_Autoneg);
+
+ ecmd->port = PORT_TP;
+
+ if (netif_running(dev)) {
+ ecmd->speed = port->link_speed;
+ ecmd->duplex = port->link_duplex;
+ } else
+ return -EIO; /* link absent */
+
+ ecmd->phy_address = port->portnum;
+ ecmd->transceiver = XCVR_EXTERNAL;
+
+ /* get autoneg settings */
+ ecmd->autoneg = port->link_autoneg;
+ return 0;
+ }
+
+ if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
+ ecmd->supported = (SUPPORTED_TP |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_10000baseT_Full);
+ ecmd->advertising = (ADVERTISED_TP |
+ ADVERTISED_1000baseT_Full |
+ ADVERTISED_10000baseT_Full);
+ ecmd->port = PORT_TP;
+
+ ecmd->speed = SPEED_10000;
+ ecmd->duplex = DUPLEX_FULL;
+ ecmd->phy_address = port->portnum;
+ ecmd->transceiver = XCVR_EXTERNAL;
+ ecmd->autoneg = AUTONEG_DISABLE;
+ return 0;
+ }
+
+ return -EIO;
+}
+
+static int
+netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ struct netxen_adapter *adapter = port->adapter;
+ __le32 status;
+
+ /* read which mode */
+ if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+ /* autonegotiation */
+ if (adapter->ops->phy_write
+ && adapter->ops->phy_write(adapter, port->portnum,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
+ (__le32) ecmd->autoneg) != 0)
+ return -EIO;
+ else
+ port->link_autoneg = ecmd->autoneg;
+
+ if (adapter->ops->phy_read
+ && adapter->ops->phy_read(adapter, port->portnum,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+ &status) != 0)
+ return -EIO;
+
+ /* speed */
+ switch (ecmd->speed) {
+ case SPEED_10:
+ netxen_set_phy_speed(status, 0);
+ break;
+ case SPEED_100:
+ netxen_set_phy_speed(status, 1);
+ break;
+ case SPEED_1000:
+ netxen_set_phy_speed(status, 2);
+ break;
+ }
+ /* set duplex mode */
+ if (ecmd->duplex == DUPLEX_HALF)
+ netxen_clear_phy_duplex(status);
+ if (ecmd->duplex == DUPLEX_FULL)
+ netxen_set_phy_duplex(status);
+ if (adapter->ops->phy_write
+ && adapter->ops->phy_write(adapter, port->portnum,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+ *((int *)&status)) != 0)
+ return -EIO;
+ else {
+ port->link_speed = ecmd->speed;
+ port->link_duplex = ecmd->duplex;
+ }
+ } else
+ return -EOPNOTSUPP;
+
+ if (netif_running(dev)) {
+ dev->stop(dev);
+ dev->open(dev);
+ }
+ return 0;
+}
+
+static int netxen_nic_get_regs_len(struct net_device *dev)
+{
+ return NETXEN_NIC_REGS_LEN;
+}
+
+struct netxen_niu_regs {
+ __le32 reg[NETXEN_NIC_REGS_COUNT];
+};
+
+static struct netxen_niu_regs niu_registers[] = {
+ {
+ /* GB Mode */
+ {
+ NETXEN_NIU_GB_SERDES_RESET,
+ NETXEN_NIU_GB0_MII_MODE,
+ NETXEN_NIU_GB1_MII_MODE,
+ NETXEN_NIU_GB2_MII_MODE,
+ NETXEN_NIU_GB3_MII_MODE,
+ NETXEN_NIU_GB0_GMII_MODE,
+ NETXEN_NIU_GB1_GMII_MODE,
+ NETXEN_NIU_GB2_GMII_MODE,
+ NETXEN_NIU_GB3_GMII_MODE,
+ NETXEN_NIU_REMOTE_LOOPBACK,
+ NETXEN_NIU_GB0_HALF_DUPLEX,
+ NETXEN_NIU_GB1_HALF_DUPLEX,
+ NETXEN_NIU_RESET_SYS_FIFOS,
+ NETXEN_NIU_GB_CRC_DROP,
+ NETXEN_NIU_GB_DROP_WRONGADDR,
+ NETXEN_NIU_TEST_MUX_CTL,
+
+ NETXEN_NIU_GB_MAC_CONFIG_0(0),
+ NETXEN_NIU_GB_MAC_CONFIG_1(0),
+ NETXEN_NIU_GB_HALF_DUPLEX_CTRL(0),
+ NETXEN_NIU_GB_MAX_FRAME_SIZE(0),
+ NETXEN_NIU_GB_TEST_REG(0),
+ NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
+ NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+ NETXEN_NIU_GB_MII_MGMT_ADDR(0),
+ NETXEN_NIU_GB_MII_MGMT_CTRL(0),
+ NETXEN_NIU_GB_MII_MGMT_STATUS(0),
+ NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
+ NETXEN_NIU_GB_INTERFACE_CTRL(0),
+ NETXEN_NIU_GB_INTERFACE_STATUS(0),
+ NETXEN_NIU_GB_STATION_ADDR_0(0),
+ NETXEN_NIU_GB_STATION_ADDR_1(0),
+ -1,
+ }
+ },
+ {
+ /* XG Mode */
+ {
+ NETXEN_NIU_XG_SINGLE_TERM,
+ NETXEN_NIU_XG_DRIVE_HI,
+ NETXEN_NIU_XG_DRIVE_LO,
+ NETXEN_NIU_XG_DTX,
+ NETXEN_NIU_XG_DEQ,
+ NETXEN_NIU_XG_WORD_ALIGN,
+ NETXEN_NIU_XG_RESET,
+ NETXEN_NIU_XG_POWER_DOWN,
+ NETXEN_NIU_XG_RESET_PLL,
+ NETXEN_NIU_XG_SERDES_LOOPBACK,
+ NETXEN_NIU_XG_DO_BYTE_ALIGN,
+ NETXEN_NIU_XG_TX_ENABLE,
+ NETXEN_NIU_XG_RX_ENABLE,
+ NETXEN_NIU_XG_STATUS,
+ NETXEN_NIU_XG_PAUSE_THRESHOLD,
+ NETXEN_NIU_XGE_CONFIG_0,
+ NETXEN_NIU_XGE_CONFIG_1,
+ NETXEN_NIU_XGE_IPG,
+ NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+ NETXEN_NIU_XGE_STATION_ADDR_0_1,
+ NETXEN_NIU_XGE_STATION_ADDR_1_LO,
+ NETXEN_NIU_XGE_STATUS,
+ NETXEN_NIU_XGE_MAX_FRAME_SIZE,
+ NETXEN_NIU_XGE_PAUSE_FRAME_VALUE,
+ NETXEN_NIU_XGE_TX_BYTE_CNT,
+ NETXEN_NIU_XGE_TX_FRAME_CNT,
+ NETXEN_NIU_XGE_RX_BYTE_CNT,
+ NETXEN_NIU_XGE_RX_FRAME_CNT,
+ NETXEN_NIU_XGE_AGGR_ERROR_CNT,
+ NETXEN_NIU_XGE_MULTICAST_FRAME_CNT,
+ NETXEN_NIU_XGE_UNICAST_FRAME_CNT,
+ NETXEN_NIU_XGE_CRC_ERROR_CNT,
+ NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
+ NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
+ NETXEN_NIU_XGE_LOCAL_ERROR_CNT,
+ NETXEN_NIU_XGE_REMOTE_ERROR_CNT,
+ NETXEN_NIU_XGE_CONTROL_CHAR_CNT,
+ NETXEN_NIU_XGE_PAUSE_FRAME_CNT,
+ -1,
+ }
+ }
+};
+
+static void
+netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ struct netxen_adapter *adapter = port->adapter;
+ __le32 mode, *regs_buff = p;
+ void __iomem *addr;
+ int i, window;
+
+ memset(p, 0, NETXEN_NIC_REGS_LEN);
+ regs->version = (1 << 24) | (adapter->ahw.revision_id << 16) |
+ (port->pdev)->device;
+ /* which mode */
+ NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_MODE, ®s_buff[0]);
+ mode = regs_buff[0];
+
+ /* Common registers to all the modes */
+ NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER,
+ ®s_buff[2]);
+ /* GB/XGB Mode */
+ mode = (mode / 2) - 1;
+ window = 0;
+ if (mode <= 1) {
+ for (i = 3; niu_registers[mode].reg[i - 3] != -1; i++) {
+ /* GB: port specific registers */
+ if (mode == 0 && i >= 19)
+ window = port->portnum * 0x10000;
+
+ NETXEN_NIC_LOCKED_READ_REG(niu_registers[mode].
+ reg[i - 3] + window,
+ ®s_buff[i]);
+ }
+
+ }
+}
+
+static void
+netxen_nic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+ wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
+ wol->wolopts = 0; /* options can be added depending upon the mode */
+}
+
+static u32 netxen_nic_get_link(struct net_device *dev)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ struct netxen_adapter *adapter = port->adapter;
+ __le32 status;
+
+ /* read which mode */
+ if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+ if (adapter->ops->phy_read
+ && adapter->ops->phy_read(adapter, port->portnum,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+ &status) != 0)
+ return -EIO;
+ else
+ return (netxen_get_phy_link(status));
+ } else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
+ int val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
+ return val == XG_LINK_UP;
+ }
+ return -EIO;
+}
+
+static int
+netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
+ u8 * bytes)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ struct netxen_adapter *adapter = port->adapter;
+ int offset;
+
+ if (eeprom->len == 0)
+ return -EINVAL;
+
+ eeprom->magic = (port->pdev)->vendor | ((port->pdev)->device << 16);
+ for (offset = 0; offset < eeprom->len; offset++)
+ if (netxen_rom_fast_read
+ (adapter, (8 * offset) + 8, (int *)eeprom->data) == -1)
+ return -EIO;
+ return 0;
+}
+
+static void
+netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ struct netxen_adapter *adapter = port->adapter;
+ int i, j;
+
+ ring->rx_pending = 0;
+ for (i = 0; i < MAX_RCV_CTX; ++i) {
+ for (j = 0; j < NUM_RCV_DESC_RINGS; j++)
+ ring->rx_pending +=
+ adapter->recv_ctx[i].rcv_desc[j].rcv_pending;
+ }
+
+ ring->rx_max_pending = adapter->max_rx_desc_count;
+ ring->tx_max_pending = adapter->max_tx_desc_count;
+ ring->rx_mini_max_pending = 0;
+ ring->rx_mini_pending = 0;
+ ring->rx_jumbo_max_pending = 0;
+ ring->rx_jumbo_pending = 0;
+}
+
+static void
+netxen_nic_get_pauseparam(struct net_device *dev,
+ struct ethtool_pauseparam *pause)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ struct netxen_adapter *adapter = port->adapter;
+ __le32 val;
+
+ if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+ /* get flow control settings */
+ netxen_nic_read_w0(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
+ (u32 *) & val);
+ pause->rx_pause = netxen_gb_get_rx_flowctl(val);
+ pause->tx_pause = netxen_gb_get_tx_flowctl(val);
+ /* get autoneg settings */
+ pause->autoneg = port->link_autoneg;
+ }
+}
+
+static int
+netxen_nic_set_pauseparam(struct net_device *dev,
+ struct ethtool_pauseparam *pause)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ struct netxen_adapter *adapter = port->adapter;
+ __le32 val;
+ unsigned int autoneg;
+
+ /* read mode */
+ if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+ /* set flow control */
+ netxen_nic_read_w0(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
+ (u32 *) & val);
+ if (pause->tx_pause)
+ netxen_gb_tx_flowctl(val);
+ else
+ netxen_gb_unset_tx_flowctl(val);
+ if (pause->rx_pause)
+ netxen_gb_rx_flowctl(val);
+ else
+ netxen_gb_unset_rx_flowctl(val);
+
+ netxen_nic_write_w0(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum),
+ *(u32 *) (&val));
+ /* set autoneg */
+ autoneg = pause->autoneg;
+ if (adapter->ops->phy_write
+ && adapter->ops->phy_write(adapter, port->portnum,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
+ (__le32) autoneg) != 0)
+ return -EIO;
+ else {
+ port->link_autoneg = pause->autoneg;
+ return 0;
+ }
+ } else
+ return -EOPNOTSUPP;
+}
+
+static int netxen_nic_reg_test(struct net_device *dev)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ struct netxen_adapter *adapter = port->adapter;
+ u32 data_read, data_written, save;
+ __le32 mode;
+
+ /*
+ * first test the "Read Only" registers by writing which mode
+ */
+ netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode);
+ if (netxen_get_niu_enable_ge(mode)) { /* GB Mode */
+ netxen_nic_read_w0(adapter,
+ NETXEN_NIU_GB_MII_MGMT_STATUS(port->portnum),
+ &data_read);
+
+ save = data_read;
+ if (data_read)
+ data_written = data_read & 0xDEADBEEF;
+ else
+ data_written = 0xDEADBEEF;
+ netxen_nic_write_w0(adapter,
+ NETXEN_NIU_GB_MII_MGMT_STATUS(port->
+ portnum),
+ data_written);
+ netxen_nic_read_w0(adapter,
+ NETXEN_NIU_GB_MII_MGMT_STATUS(port->portnum),
+ &data_read);
+
+ if (data_written == data_read) {
+ netxen_nic_write_w0(adapter,
+ NETXEN_NIU_GB_MII_MGMT_STATUS(port->
+ portnum),
+ save);
+
+ return 0;
+ }
+
+ /* netxen_niu_gb_mii_mgmt_indicators is read only */
+ netxen_nic_read_w0(adapter,
+ NETXEN_NIU_GB_MII_MGMT_INDICATE(port->
+ portnum),
+ &data_read);
+
+ save = data_read;
+ if (data_read)
+ data_written = data_read & 0xDEADBEEF;
+ else
+ data_written = 0xDEADBEEF;
+ netxen_nic_write_w0(adapter,
+ NETXEN_NIU_GB_MII_MGMT_INDICATE(port->
+ portnum),
+ data_written);
+
+ netxen_nic_read_w0(adapter,
+ NETXEN_NIU_GB_MII_MGMT_INDICATE(port->
+ portnum),
+ &data_read);
+
+ if (data_written == data_read) {
+ netxen_nic_write_w0(adapter,
+ NETXEN_NIU_GB_MII_MGMT_INDICATE
+ (port->portnum), save);
+ return 0;
+ }
+
+ /* netxen_niu_gb_interface_status is read only */
+ netxen_nic_read_w0(adapter,
+ NETXEN_NIU_GB_INTERFACE_STATUS(port->
+ portnum),
+ &data_read);
+
+ save = data_read;
+ if (data_read)
+ data_written = data_read & 0xDEADBEEF;
+ else
+ data_written = 0xDEADBEEF;
+ netxen_nic_write_w0(adapter,
+ NETXEN_NIU_GB_INTERFACE_STATUS(port->
+ portnum),
+ data_written);
+
+ netxen_nic_read_w0(adapter,
+ NETXEN_NIU_GB_INTERFACE_STATUS(port->
+ portnum),
+ &data_read);
+
+ if (data_written == data_read) {
+ netxen_nic_write_w0(adapter,
+ NETXEN_NIU_GB_INTERFACE_STATUS
+ (port->portnum), save);
+
+ return 0;
+ }
+ } /* GB Mode */
+ return 1;
+}
+
+static int netxen_nic_diag_test_count(struct net_device *dev)
+{
+ return NETXEN_NIC_TEST_LEN;
+}
+
+static void
+netxen_nic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
+ u64 * data)
+{
+ if (eth_test->flags == ETH_TEST_FL_OFFLINE) { /* offline tests */
+ /* link test */
+ if (!(data[4] = (u64) netxen_nic_get_link(dev)))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ if (netif_running(dev))
+ dev->stop(dev);
+
+ /* register tests */
+ if (!(data[0] = netxen_nic_reg_test(dev)))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+ /* other tests pass as of now */
+ data[1] = data[2] = data[3] = 1;
+ if (netif_running(dev))
+ dev->open(dev);
+ } else { /* online tests */
+ /* link test */
+ if (!(data[4] = (u64) netxen_nic_get_link(dev)))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ /* other tests pass by default */
+ data[0] = data[1] = data[2] = data[3] = 1;
+ }
+}
+
+static void
+netxen_nic_get_strings(struct net_device *dev, u32 stringset, u8 * data)
+{
+ int index;
+
+ switch (stringset) {
+ case ETH_SS_TEST:
+ memcpy(data, *netxen_nic_gstrings_test,
+ NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN);
+ break;
+ case ETH_SS_STATS:
+ for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
+ memcpy(data + index * ETH_GSTRING_LEN,
+ netxen_nic_gstrings_stats[index].stat_string,
+ ETH_GSTRING_LEN);
+ }
+ break;
+ }
+}
+
+static int netxen_nic_get_stats_count(struct net_device *dev)
+{
+ return NETXEN_NIC_STATS_LEN;
+}
+
+static void
+netxen_nic_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats, u64 * data)
+{
+ struct netxen_port *port = netdev_priv(dev);
+ int index;
+
+ for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) {
+ char *p =
+ (char *)port + netxen_nic_gstrings_stats[index].stat_offset;
+ data[index] =
+ (netxen_nic_gstrings_stats[index].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
+ }
+
+}
+
+struct ethtool_ops netxen_nic_ethtool_ops = {
+ .get_settings = netxen_nic_get_settings,
+ .set_settings = netxen_nic_set_settings,
+ .get_drvinfo = netxen_nic_get_drvinfo,
+ .get_regs_len = netxen_nic_get_regs_len,
+ .get_regs = netxen_nic_get_regs,
+ .get_wol = netxen_nic_get_wol,
+ .get_link = netxen_nic_get_link,
+ .get_eeprom_len = netxen_nic_get_eeprom_len,
+ .get_eeprom = netxen_nic_get_eeprom,
+ .get_ringparam = netxen_nic_get_ringparam,
+ .get_pauseparam = netxen_nic_get_pauseparam,
+ .set_pauseparam = netxen_nic_set_pauseparam,
+ .get_tx_csum = ethtool_op_get_tx_csum,
+ .set_tx_csum = ethtool_op_set_tx_csum,
+ .get_sg = ethtool_op_get_sg,
+ .set_sg = ethtool_op_set_sg,
+ .get_tso = ethtool_op_get_tso,
+ .set_tso = ethtool_op_set_tso,
+ .self_test_count = netxen_nic_diag_test_count,
+ .self_test = netxen_nic_diag_test,
+ .get_strings = netxen_nic_get_strings,
+ .get_stats_count = netxen_nic_get_stats_count,
+ .get_ethtool_stats = netxen_nic_get_ethtool_stats,
+ .get_perm_addr = ethtool_op_get_perm_addr,
+};
^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 2.6.18 6/9] NetXen: Main header file
2006-09-27 15:27 [PATCH 2.6.18 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
` (4 preceding siblings ...)
2006-09-27 15:43 ` [PATCH 2.6.18 5/9] NetXen: ethtool interface Amit S. Kale
@ 2006-09-27 15:46 ` Amit S. Kale
2006-09-27 15:49 ` [PATCH 2.6.18 7/9] NetXen: hw access routines " Amit S. Kale
` (2 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: Amit S. Kale @ 2006-09-27 15:46 UTC (permalink / raw)
To: netdev
Cc: Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx,
Randy Dunlap, jeff
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/netxen_nic.h linux-2.6.18/drivers/net/netxen/netxen_nic.h
--- linux-2.6.18.orig/drivers/net/netxen/netxen_nic.h 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/netxen_nic.h 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,910 @@
+/*
+ * 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
+ */
+
+#ifndef _NETXEN_NIC_H_
+#define _NETXEN_NIC_H_
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/compiler.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ip.h>
+#include <linux/in.h>
+#include <linux/tcp.h>
+#include <linux/skbuff.h>
+#include <linux/version.h>
+
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/interrupt.h>
+#include <linux/timer.h>
+
+#include <linux/mm.h>
+#include <linux/mman.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/byteorder.h>
+#include <asm/uaccess.h>
+#include <asm/pgtable.h>
+
+#include "netxen_nic_hw.h"
+
+#define NETXEN_NIC_BUILD_NO "232"
+#define _NETXEN_NIC_LINUX_MAJOR 2
+#define _NETXEN_NIC_LINUX_MINOR 3
+#define _NETXEN_NIC_LINUX_SUBVERSION 57
+#define NETXEN_NIC_LINUX_VERSIONID "2.3.57"
+#define NETXEN_NIC_FW_VERSIONID "2.3.57"
+
+#define RCV_DESC_RINGSIZE \
+ (sizeof(struct rcv_desc) * adapter->max_rx_desc_count)
+#define STATUS_DESC_RINGSIZE \
+ (sizeof(struct status_desc)* adapter->max_rx_desc_count)
+#define TX_RINGSIZE \
+ (sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count)
+#define RCV_BUFFSIZE \
+ (sizeof(struct netxen_rx_buffer) * rcv_desc->max_rx_desc_count)
+#define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a)))
+
+#define NETXEN_NETDEV_STATUS 0x1
+
+#define ADDR_IN_WINDOW1(off) \
+ ((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) ? 1 : 0
+
+/*
+ * normalize a 64MB crb address to 32MB PCI window
+ * To use NETXEN_CRB_NORMALIZE, window _must_ be set to 1
+ */
+#define NETXEN_CRB_NORMALIZE(adapter, reg) \
+ ((adapter)->ahw.pci_base + (reg) \
+ - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST)
+
+#define MAX_RX_BUFFER_LENGTH 2000
+#define MAX_RX_JUMBO_BUFFER_LENGTH 9046
+#define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - NET_IP_ALIGN)
+#define RX_JUMBO_DMA_MAP_LEN \
+ (MAX_RX_JUMBO_BUFFER_LENGTH - NET_IP_ALIGN)
+#define NETXEN_ROM_ROUNDUP 0x80000000ULL
+
+/*
+ * Maximum number of ring contexts
+ */
+#define MAX_RING_CTX 1
+
+/* Opcodes to be used with the commands */
+enum {
+ TX_ETHER_PKT = 0x01,
+/* The following opcodes are for IP checksum */
+ TX_TCP_PKT,
+ TX_UDP_PKT,
+ TX_IP_PKT,
+ TX_TCP_LSO,
+ TX_IPSEC,
+ TX_IPSEC_CMD
+};
+
+/* The following opcodes are for internal consumption. */
+#define NETXEN_CONTROL_OP 0x10
+#define PEGNET_REQUEST 0x11
+
+#define MAX_NUM_CARDS 4
+
+#define MAX_BUFFERS_PER_CMD 32
+
+/*
+ * Following are the states of the Phantom. Phantom will set them and
+ * Host will read to check if the fields are correct.
+ */
+#define PHAN_INITIALIZE_START 0xff00
+#define PHAN_INITIALIZE_FAILED 0xffff
+#define PHAN_INITIALIZE_COMPLETE 0xff01
+
+/* Host writes the following to notify that it has done the init-handshake */
+#define PHAN_INITIALIZE_ACK 0xf00f
+
+#define NUM_RCV_DESC_RINGS 2 /* No of Rcv Descriptor contexts */
+
+/* descriptor types */
+#define RCV_DESC_NORMAL 0x01
+#define RCV_DESC_JUMBO 0x02
+#define RCV_DESC_NORMAL_CTXID 0
+#define RCV_DESC_JUMBO_CTXID 1
+
+#define RCV_DESC_TYPE(ID) \
+ ((ID == RCV_DESC_JUMBO_CTXID) ? RCV_DESC_JUMBO : RCV_DESC_NORMAL)
+
+#define MAX_CMD_DESCRIPTORS 1024
+#define MAX_RCV_DESCRIPTORS 32768
+#define MAX_JUMBO_RCV_DESCRIPTORS 1024
+#define MAX_RCVSTATUS_DESCRIPTORS MAX_RCV_DESCRIPTORS
+#define MAX_JUMBO_RCV_DESC MAX_JUMBO_RCV_DESCRIPTORS
+#define MAX_RCV_DESC MAX_RCV_DESCRIPTORS
+#define MAX_RCVSTATUS_DESC MAX_RCV_DESCRIPTORS
+#define NUM_RCV_DESC (MAX_RCV_DESC + MAX_JUMBO_RCV_DESCRIPTORS)
+#define MAX_EPG_DESCRIPTORS (MAX_CMD_DESCRIPTORS * 8)
+
+#define MIN_TX_COUNT 4096
+#define MIN_RX_COUNT 4096
+
+#define MAX_FRAME_SIZE 0x10000 /* 64K MAX size for LSO */
+
+#define PHAN_PEG_RCV_INITIALIZED 0xff01
+#define PHAN_PEG_RCV_START_INITIALIZE 0xff00
+
+#define get_next_index(index, length) \
+ (((index) + 1) & ((length) - 1))
+
+#define get_index_range(index,length,count) \
+ (((index) + (count)) & ((length) - 1))
+
+/*
+ * Following data structures describe the descriptors that will be used.
+ * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when
+ * we are doing LSO (above the 1500 size packet) only.
+ */
+
+/*
+ * The size of reference handle been changed to 16 bits to pass the MSS fields
+ * for the LSO packet
+ */
+
+#define FLAGS_CHECKSUM_ENABLED 0x01
+#define FLAGS_LSO_ENABLED 0x02
+#define FLAGS_IPSEC_SA_ADD 0x04
+#define FLAGS_IPSEC_SA_DELETE 0x08
+#define FLAGS_VLAN_TAGGED 0x10
+
+#define CMD_DESC_TOTAL_LENGTH(cmd_desc) \
+ ((cmd_desc)->length_tcp_hdr & 0x00FFFFFF)
+#define CMD_DESC_TCP_HDR_OFFSET(cmd_desc) \
+ (((cmd_desc)->length_tcp_hdr >> 24) & 0x0FF)
+#define CMD_DESC_PORT(cmd_desc) ((cmd_desc)->port_ctxid & 0x0F)
+#define CMD_DESC_CTX_ID(cmd_desc) (((cmd_desc)->port_ctxid >> 4) & 0x0F)
+
+#define CMD_DESC_TOTAL_LENGTH_WRT(cmd_desc, var) \
+ ((cmd_desc)->length_tcp_hdr |= ((var) & 0x00FFFFFF))
+#define CMD_DESC_TCP_HDR_OFFSET_WRT(cmd_desc, var) \
+ ((cmd_desc)->length_tcp_hdr |= (((var) << 24) & 0xFF000000))
+#define CMD_DESC_PORT_WRT(cmd_desc, var) \
+ ((cmd_desc)->port_ctxid |= ((var) & 0x0F))
+
+struct cmd_desc_type0 {
+ u64 netxen_next; /* for fragments handled by Phantom */
+ union {
+ struct {
+ u32 addr_low_part2;
+ u32 addr_high_part2;
+ };
+ u64 addr_buffer2;
+ };
+
+ /* Bit pattern: 0-23 total length, 24-32 tcp header offset */
+ u32 length_tcp_hdr;
+ u8 ip_hdr_offset; /* For LSO only */
+ u8 num_of_buffers; /* total number of segments */
+ u8 flags; /* as defined above */
+ u8 opcode;
+
+ u16 reference_handle; /* changed to u16 to add mss */
+ u16 mss; /* passed by NDIS_PACKET for LSO */
+ /* Bit pattern 0-3 port, 0-3 ctx id */
+ u8 port_ctxid;
+ u8 total_hdr_length; /* LSO only : MAC+IP+TCP Hdr size */
+ u16 conn_id; /* IPSec offoad only */
+
+ union {
+ struct {
+ u32 addr_low_part3;
+ u32 addr_high_part3;
+ };
+ u64 addr_buffer3;
+ };
+
+ union {
+ struct {
+ u32 addr_low_part1;
+ u32 addr_high_part1;
+ };
+ u64 addr_buffer1;
+ };
+
+ u16 buffer1_length;
+ u16 buffer2_length;
+ u16 buffer3_length;
+ u16 buffer4_length;
+
+ union {
+ struct {
+ u32 addr_low_part4;
+ u32 addr_high_part4;
+ };
+ u64 addr_buffer4;
+ };
+
+} __attribute__ ((aligned(64)));
+
+/* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
+struct rcv_desc {
+ u16 reference_handle;
+ u16 reserved;
+ u32 buffer_length; /* allocated buffer length (usually 2K) */
+ u64 addr_buffer;
+};
+
+/* opcode field in status_desc */
+#define RCV_NIC_PKT (0xA)
+#define STATUS_NIC_PKT ((RCV_NIC_PKT) << 12)
+
+/* for status field in status_desc */
+#define STATUS_NEED_CKSUM (1)
+#define STATUS_CKSUM_OK (2)
+
+/* owner bits of status_desc */
+#define STATUS_OWNER_HOST (0x1)
+#define STATUS_OWNER_PHANTOM (0x2)
+
+#define NETXEN_PROT_IP (1)
+#define NETXEN_PROT_UNKNOWN (0)
+
+/* Note: sizeof(status_desc) should always be a mutliple of 2 */
+#define STATUS_DESC_PORT(status_desc) \
+ ((status_desc)->port_status_type_op & 0x0F)
+#define STATUS_DESC_STATUS(status_desc) \
+ (((status_desc)->port_status_type_op >> 4) & 0x0F)
+#define STATUS_DESC_TYPE(status_desc) \
+ (((status_desc)->port_status_type_op >> 8) & 0x0F)
+#define STATUS_DESC_OPCODE(status_desc) \
+ (((status_desc)->port_status_type_op >> 12) & 0x0F)
+
+struct status_desc {
+ /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-15 opcode */
+ u16 port_status_type_op;
+ u16 total_length; /* NIC mode */
+ u16 reference_handle; /* handle for the associated packet */
+ /* Bit pattern: 0-1 owner, 2-5 protocol */
+ u16 owner; /* Owner of the descriptor */
+} __attribute__ ((aligned(8)));
+
+enum {
+ NETXEN_RCV_PEG_0 = 0,
+ NETXEN_RCV_PEG_1
+};
+/* The version of the main data structure */
+#define NETXEN_BDINFO_VERSION 1
+
+/* Magic number to let user know flash is programmed */
+#define NETXEN_BDINFO_MAGIC 0x12345678
+
+/* Max number of Gig ports on a Phantom board */
+#define NETXEN_MAX_PORTS 4
+
+typedef enum {
+ NETXEN_BRDTYPE_P1_BD = 0x0000,
+ NETXEN_BRDTYPE_P1_SB = 0x0001,
+ NETXEN_BRDTYPE_P1_SMAX = 0x0002,
+ NETXEN_BRDTYPE_P1_SOCK = 0x0003,
+
+ NETXEN_BRDTYPE_P2_SOCK_31 = 0x0008,
+ NETXEN_BRDTYPE_P2_SOCK_35 = 0x0009,
+ NETXEN_BRDTYPE_P2_SB35_4G = 0x000a,
+ NETXEN_BRDTYPE_P2_SB31_10G = 0x000b,
+ NETXEN_BRDTYPE_P2_SB31_2G = 0x000c,
+
+ NETXEN_BRDTYPE_P2_SB31_10G_IMEZ = 0x000d,
+ NETXEN_BRDTYPE_P2_SB31_10G_HMEZ = 0x000e,
+ NETXEN_BRDTYPE_P2_SB31_10G_CX4 = 0x000f
+} netxen_brdtype_t;
+
+typedef enum {
+ NETXEN_BRDMFG_INVENTEC = 1
+} netxen_brdmfg;
+
+typedef enum {
+ MEM_ORG_128Mbx4 = 0x0, /* DDR1 only */
+ MEM_ORG_128Mbx8 = 0x1, /* DDR1 only */
+ MEM_ORG_128Mbx16 = 0x2, /* DDR1 only */
+ MEM_ORG_256Mbx4 = 0x3,
+ MEM_ORG_256Mbx8 = 0x4,
+ MEM_ORG_256Mbx16 = 0x5,
+ MEM_ORG_512Mbx4 = 0x6,
+ MEM_ORG_512Mbx8 = 0x7,
+ MEM_ORG_512Mbx16 = 0x8,
+ MEM_ORG_1Gbx4 = 0x9,
+ MEM_ORG_1Gbx8 = 0xa,
+ MEM_ORG_1Gbx16 = 0xb,
+ MEM_ORG_2Gbx4 = 0xc,
+ MEM_ORG_2Gbx8 = 0xd,
+ MEM_ORG_2Gbx16 = 0xe,
+ MEM_ORG_128Mbx32 = 0x10002, /* GDDR only */
+ MEM_ORG_256Mbx32 = 0x10005 /* GDDR only */
+} netxen_mn_mem_org_t;
+
+typedef enum {
+ MEM_ORG_512Kx36 = 0x0,
+ MEM_ORG_1Mx36 = 0x1,
+ MEM_ORG_2Mx36 = 0x2
+} netxen_sn_mem_org_t;
+
+typedef enum {
+ MEM_DEPTH_4MB = 0x1,
+ MEM_DEPTH_8MB = 0x2,
+ MEM_DEPTH_16MB = 0x3,
+ MEM_DEPTH_32MB = 0x4,
+ MEM_DEPTH_64MB = 0x5,
+ MEM_DEPTH_128MB = 0x6,
+ MEM_DEPTH_256MB = 0x7,
+ MEM_DEPTH_512MB = 0x8,
+ MEM_DEPTH_1GB = 0x9,
+ MEM_DEPTH_2GB = 0xa,
+ MEM_DEPTH_4GB = 0xb,
+ MEM_DEPTH_8GB = 0xc,
+ MEM_DEPTH_16GB = 0xd,
+ MEM_DEPTH_32GB = 0xe
+} netxen_mem_depth_t;
+
+struct netxen_board_info {
+ u32 header_version;
+
+ u32 board_mfg;
+ u32 board_type;
+ u32 board_num;
+ u32 chip_id;
+ u32 chip_minor;
+ u32 chip_major;
+ u32 chip_pkg;
+ u32 chip_lot;
+
+ u32 port_mask; /* available niu ports */
+ u32 peg_mask; /* available pegs */
+ u32 icache_ok; /* can we run with icache? */
+ u32 dcache_ok; /* can we run with dcache? */
+ u32 casper_ok;
+
+ u32 mac_addr_lo_0;
+ u32 mac_addr_lo_1;
+ u32 mac_addr_lo_2;
+ u32 mac_addr_lo_3;
+
+ /* MN-related config */
+ u32 mn_sync_mode; /* enable/ sync shift cclk/ sync shift mclk */
+ u32 mn_sync_shift_cclk;
+ u32 mn_sync_shift_mclk;
+ u32 mn_wb_en;
+ u32 mn_crystal_freq; /* in MHz */
+ u32 mn_speed; /* in MHz */
+ u32 mn_org;
+ u32 mn_depth;
+ u32 mn_ranks_0; /* ranks per slot */
+ u32 mn_ranks_1; /* ranks per slot */
+ u32 mn_rd_latency_0;
+ u32 mn_rd_latency_1;
+ u32 mn_rd_latency_2;
+ u32 mn_rd_latency_3;
+ u32 mn_rd_latency_4;
+ u32 mn_rd_latency_5;
+ u32 mn_rd_latency_6;
+ u32 mn_rd_latency_7;
+ u32 mn_rd_latency_8;
+ u32 mn_dll_val[18];
+ u32 mn_mode_reg; /* MIU DDR Mode Register */
+ u32 mn_ext_mode_reg; /* MIU DDR Extended Mode Register */
+ u32 mn_timing_0; /* MIU Memory Control Timing Rgister */
+ u32 mn_timing_1; /* MIU Extended Memory Ctrl Timing Register */
+ u32 mn_timing_2; /* MIU Extended Memory Ctrl Timing2 Register */
+
+ /* SN-related config */
+ u32 sn_sync_mode; /* enable/ sync shift cclk / sync shift mclk */
+ u32 sn_pt_mode; /* pass through mode */
+ u32 sn_ecc_en;
+ u32 sn_wb_en;
+ u32 sn_crystal_freq;
+ u32 sn_speed;
+ u32 sn_org;
+ u32 sn_depth;
+ u32 sn_dll_tap;
+ u32 sn_rd_latency;
+
+ u32 mac_addr_hi_0;
+ u32 mac_addr_hi_1;
+ u32 mac_addr_hi_2;
+ u32 mac_addr_hi_3;
+
+ u32 magic; /* indicates flash has been initialized */
+
+ u32 mn_rdimm;
+ u32 mn_dll_override;
+
+};
+
+#define FLASH_NUM_PORTS (4)
+
+struct netxen_flash_mac_addr {
+ u32 flash_addr[32];
+};
+
+struct netxen_user_old_info {
+ u8 flash_md5[16];
+ u8 crbinit_md5[16];
+ u8 brdcfg_md5[16];
+ /* bootloader */
+ u32 bootld_version;
+ u32 bootld_size;
+ u8 bootld_md5[16];
+ /* image */
+ u32 image_version;
+ u32 image_size;
+ u8 image_md5[16];
+ /* primary image status */
+ u32 primary_status;
+ u32 secondary_present;
+
+ /* MAC address , 4 ports */
+ struct netxen_flash_mac_addr mac_addr[FLASH_NUM_PORTS];
+};
+#define FLASH_NUM_MAC_PER_PORT 32
+struct netxen_user_info {
+ u8 flash_md5[16 * 64];
+ /* bootloader */
+ u32 bootld_version;
+ u32 bootld_size;
+ /* image */
+ u32 image_version;
+ u32 image_size;
+ /* primary image status */
+ u32 primary_status;
+ u32 secondary_present;
+
+ /* MAC address , 4 ports, 32 address per port */
+ u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT];
+ u32 sub_sys_id;
+ u8 serial_num[32];
+
+ /* Any user defined data */
+};
+
+/*
+ * Flash Layout - new format.
+ */
+struct netxen_new_user_info {
+ u8 flash_md5[16 * 64];
+ /* bootloader */
+ u32 bootld_version;
+ u32 bootld_size;
+ /* image */
+ u32 image_version;
+ u32 image_size;
+ /* primary image status */
+ u32 primary_status;
+ u32 secondary_present;
+
+ /* MAC address , 4 ports, 32 address per port */
+ u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT];
+ u32 sub_sys_id;
+ u8 serial_num[32];
+
+ /* Any user defined data */
+};
+
+#define SECONDARY_IMAGE_PRESENT 0xb3b4b5b6
+#define SECONDARY_IMAGE_ABSENT 0xffffffff
+#define PRIMARY_IMAGE_GOOD 0x5a5a5a5a
+#define PRIMARY_IMAGE_BAD 0xffffffff
+
+/* Flash memory map */
+typedef enum {
+ CRBINIT_START = 0, /* Crbinit section */
+ BRDCFG_START = 0x4000, /* board config */
+ INITCODE_START = 0x6000, /* pegtune code */
+ BOOTLD_START = 0x10000, /* bootld */
+ IMAGE_START = 0x43000, /* compressed image */
+ SECONDARY_START = 0x200000, /* backup images */
+ PXE_START = 0x3E0000, /* user defined region */
+ USER_START = 0x3E8000, /* User defined region for new boards */
+ FIXED_START = 0x3F0000 /* backup of crbinit */
+} netxen_flash_map_t;
+
+#define USER_START_OLD PXE_START /* for backward compatibility */
+
+#define FLASH_START (CRBINIT_START)
+#define INIT_SECTOR (0)
+#define PRIMARY_START (BOOTLD_START)
+#define FLASH_CRBINIT_SIZE (0x4000)
+#define FLASH_BRDCFG_SIZE (sizeof(struct netxen_board_info))
+#define FLASH_USER_SIZE (sizeof(netxen_user_info)/sizeof(u32))
+#define FLASH_SECONDARY_SIZE (USER_START-SECONDARY_START)
+#define NUM_PRIMARY_SECTORS (0x20)
+#define NUM_CONFIG_SECTORS (1)
+#define PFX "netxen: "
+
+/* Note: Make sure to not call this before adapter->port is valid */
+#if !defined(NETXEN_DEBUG)
+#define DPRINTK(klevel, fmt, args...) do { \
+ } while (0)
+#else
+#define DPRINTK(klevel, fmt, args...) do { \
+ printk(KERN_##klevel PFX "%s: %s: " fmt, __FUNCTION__,\
+ (adapter != NULL && adapter->port != NULL && \
+ adapter->port[0] != NULL && \
+ adapter->port[0]->netdev != NULL) ? \
+ adapter->port[0]->netdev->name : NULL, \
+ ## args); } while(0)
+#endif
+
+/* Number of status descriptors to handle per interrupt */
+#define MAX_STATUS_HANDLE (128)
+
+/*
+ * netxen_skb_frag{} is to contain mapping info for each SG list. This
+ * has to be freed when DMA is complete. This is part of netxen_tx_buffer{}.
+ */
+struct netxen_skb_frag {
+ u64 dma;
+ u32 length;
+};
+
+/* Following defines are for the state of the buffers */
+#define NETXEN_BUFFER_FREE 0
+#define NETXEN_BUFFER_BUSY 1
+
+/*
+ * There will be one netxen_buffer per skb packet. These will be
+ * used to save the dma info for pci_unmap_page()
+ */
+struct netxen_cmd_buffer {
+ struct sk_buff *skb;
+ struct netxen_skb_frag frag_array[MAX_BUFFERS_PER_CMD + 1];
+ u32 total_length;
+ u32 mss;
+ u16 port;
+ u8 cmd;
+ u8 frag_count;
+ unsigned long time_stamp;
+ u32 state;
+ u32 no_of_descriptors;
+};
+
+/* In rx_buffer, we do not need multiple fragments as is a single buffer */
+struct netxen_rx_buffer {
+ struct sk_buff *skb;
+ u64 dma;
+ u16 ref_handle;
+ u16 state;
+};
+
+/* Board types */
+#define NETXEN_NIC_GBE 0x01
+#define NETXEN_NIC_XGBE 0x02
+
+/*
+ * One hardware_context{} per adapter
+ * contains interrupt info as well shared hardware info.
+ */
+struct netxen_hardware_context {
+ struct pci_dev *pdev;
+ void __iomem *pci_base; /* base of mapped phantom memory */
+ u8 revision_id;
+ u16 board_type;
+ u16 max_ports;
+ struct netxen_board_info boardcfg;
+ u32 xg_linkup;
+ /* Address of cmd ring in Phantom */
+ struct cmd_desc_type0 *cmd_desc_head;
+ dma_addr_t cmd_desc_phys_addr;
+ struct netxen_adapter *adapter;
+};
+
+#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* With FCS */
+#define ETHERNET_FCS_SIZE 4
+
+struct netxen_adapter_stats {
+ u64 ints;
+ u64 hostints;
+ u64 otherints;
+ u64 process_rcv;
+ u64 process_xmit;
+ u64 noxmitdone;
+ u64 xmitcsummed;
+ u64 post_called;
+ u64 posted;
+ u64 lastposted;
+ u64 goodskbposts;
+};
+
+/*
+ * Rcv Descriptor Context. One such per Rcv Descriptor. There may
+ * be one Rcv Descriptor for normal packets, one for jumbo and may be others.
+ */
+struct netxen_rcv_desc_ctx {
+ u32 flags;
+ u32 producer;
+ u32 rcv_pending; /* Num of bufs posted in phantom */
+ u32 rcv_free; /* Num of bufs in free list */
+ dma_addr_t phys_addr;
+ struct rcv_desc *desc_head; /* address of rx ring in Phantom */
+ u32 max_rx_desc_count;
+ u32 dma_size;
+ u32 skb_size;
+ struct netxen_rx_buffer *rx_buf_arr; /* rx buffers for receive */
+ int begin_alloc;
+};
+
+/*
+ * Receive context. There is one such structure per instance of the
+ * receive processing. Any state information that is relevant to
+ * the receive, and is must be in this structure. The global data may be
+ * present elsewhere.
+ */
+struct netxen_recv_context {
+ struct netxen_rcv_desc_ctx rcv_desc[NUM_RCV_DESC_RINGS];
+ u32 status_rx_producer;
+ u32 status_rx_consumer;
+ dma_addr_t rcv_status_desc_phys_addr;
+ struct status_desc *rcv_status_desc_head;
+};
+
+#define NETXEN_NIC_MSI_ENABLED 0x02
+
+struct netxen_drvops;
+
+struct netxen_adapter {
+ struct netxen_hardware_context ahw;
+ int port_count; /* Number of configured ports */
+ int active_ports; /* Number of open ports */
+ struct netxen_port *port[NETXEN_MAX_PORTS]; /* ptr to each port */
+ spinlock_t tx_lock;
+ spinlock_t lock;
+ struct work_struct watchdog_task;
+ struct work_struct tx_timeout_task;
+ struct timer_list watchdog_timer;
+
+ u32 curr_window;
+
+ u32 cmd_producer;
+ u32 cmd_consumer;
+
+ u32 last_cmd_consumer;
+ u32 max_tx_desc_count;
+ u32 max_rx_desc_count;
+ u32 max_jumbo_rx_desc_count;
+ /* Num of instances active on cmd buffer ring */
+ u32 proc_cmd_buf_counter;
+
+ u32 num_threads, total_threads; /*Use to keep track of xmit threads */
+
+ u32 flags;
+ u32 irq;
+ int driver_mismatch;
+
+ struct netxen_adapter_stats stats;
+
+ struct netxen_cmd_buffer *cmd_buf_arr; /* Command buffers for xmit */
+
+ /*
+ * Receive instances. These can be either one per port,
+ * or one per peg, etc.
+ */
+ struct netxen_recv_context recv_ctx[MAX_RCV_CTX];
+
+ int is_up;
+ int work_done;
+ struct netxen_drvops *ops;
+}; /* netxen_adapter structure */
+
+/* Max number of xmit producer threads that can run simultaneously */
+#define MAX_XMIT_PRODUCERS 16
+
+struct netxen_port_stats {
+ u64 rcvdbadskb;
+ u64 xmitcalled;
+ u64 xmitedframes;
+ u64 xmitfinished;
+ u64 badskblen;
+ u64 nocmddescriptor;
+ u64 polled;
+ u64 uphappy;
+ u64 updropped;
+ u64 uplcong;
+ u64 uphcong;
+ u64 upmcong;
+ u64 updunno;
+ u64 skbfreed;
+ u64 txdropped;
+ u64 txnullskb;
+ u64 csummed;
+ u64 no_rcv;
+ u64 rxbytes;
+ u64 txbytes;
+};
+
+struct netxen_port {
+ struct netxen_adapter *adapter;
+
+ u16 portnum; /* GBE port number */
+ u16 link_speed;
+ u16 link_duplex;
+ u16 link_autoneg;
+
+ int flags;
+
+ struct net_device *netdev;
+ struct pci_dev *pdev;
+ struct net_device_stats net_stats;
+ struct netxen_port_stats stats;
+};
+
+struct netxen_drvops {
+ int (*enable_phy_interrupts) (struct netxen_adapter *, int);
+ int (*disable_phy_interrupts) (struct netxen_adapter *, int);
+ void (*handle_phy_intr) (struct netxen_adapter *);
+ int (*macaddr_set) (struct netxen_port *, netxen_ethernet_macaddr_t);
+ int (*set_mtu) (struct netxen_port *, int);
+ int (*set_promisc) (struct netxen_adapter *, int,
+ netxen_niu_prom_mode_t);
+ int (*unset_promisc) (struct netxen_adapter *, int,
+ netxen_niu_prom_mode_t);
+ int (*phy_read) (struct netxen_adapter *, long phy, long reg, u32 *);
+ int (*phy_write) (struct netxen_adapter *, long phy, long reg, u32 val);
+ int (*init_port) (struct netxen_adapter *, int);
+ void (*init_niu) (struct netxen_adapter *);
+ int (*stop_port) (struct netxen_adapter *, int);
+};
+
+extern char netxen_nic_driver_name[];
+
+int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter,
+ int port);
+int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter,
+ int port);
+int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter,
+ int port);
+int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter,
+ int port);
+int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter,
+ int port);
+int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter,
+ int port);
+void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter);
+void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter);
+void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter, int port,
+ long enable);
+void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter, int port,
+ long enable);
+int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, long reg,
+ __le32 * readval);
+int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long phy,
+ long reg, __le32 val);
+
+/* Functions available from netxen_nic_hw.c */
+int netxen_niu_xginit(struct netxen_adapter *);
+int netxen_nic_set_mtu_xgb(struct netxen_port *port, int new_mtu);
+int netxen_nic_set_mtu_gb(struct netxen_port *port, int new_mtu);
+void netxen_nic_init_niu_gb(struct netxen_adapter *adapter);
+void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw);
+void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val);
+int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off);
+void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value);
+void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value);
+
+int netxen_nic_get_board_info(struct netxen_adapter *adapter);
+int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
+ int len);
+int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
+ int len);
+void netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
+ unsigned long off, int data);
+
+/* Functions from netxen_nic_init.c */
+void netxen_phantom_init(struct netxen_adapter *adapter);
+void netxen_load_firmware(struct netxen_adapter *adapter);
+int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);
+int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp);
+
+/* Functions from netxen_nic_isr.c */
+void netxen_nic_isr_other(struct netxen_adapter *adapter);
+void netxen_indicate_link_status(struct netxen_adapter *adapter, u32 port,
+ u32 link);
+void netxen_handle_port_int(struct netxen_adapter *adapter, u32 port,
+ u32 enable);
+void netxen_nic_stop_all_ports(struct netxen_adapter *adapter);
+void netxen_initialize_adapter_sw(struct netxen_adapter *adapter);
+void netxen_initialize_adapter_hw(struct netxen_adapter *adapter);
+void netxen_initialize_adapter_ops(struct netxen_adapter *adapter);
+int netxen_init_firmware(struct netxen_adapter *adapter);
+void netxen_free_hw_resources(struct netxen_adapter *adapter);
+void netxen_tso_check(struct netxen_adapter *adapter,
+ struct cmd_desc_type0 *desc, struct sk_buff *skb);
+int netxen_nic_hw_resources(struct netxen_adapter *adapter);
+void netxen_nic_clear_stats(struct netxen_adapter *adapter);
+int
+netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data,
+ struct netxen_port *port);
+int netxen_nic_rx_has_work(struct netxen_adapter *adapter);
+int netxen_nic_tx_has_work(struct netxen_adapter *adapter);
+void netxen_watchdog_task(unsigned long v);
+void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx,
+ u32 ringid);
+void netxen_process_cmd_ring(unsigned long data);
+u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max);
+void netxen_nic_set_multi(struct net_device *netdev);
+int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
+int netxen_nic_set_mac(struct net_device *netdev, void *p);
+struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev);
+
+static inline void netxen_nic_disable_int(struct netxen_adapter *adapter)
+{
+ /*
+ * ISR_INT_MASK: Can be read from window 0 or 1.
+ */
+ writel(0x7ff, (void __iomem *)(adapter->ahw.pci_base + ISR_INT_MASK));
+}
+
+static inline void netxen_nic_enable_int(struct netxen_adapter *adapter)
+{
+ u32 mask;
+
+ switch (adapter->ahw.board_type) {
+ case NETXEN_NIC_GBE:
+ mask = 0x77b;
+ break;
+ case NETXEN_NIC_XGBE:
+ mask = 0x77f;
+ break;
+ default:
+ mask = 0x7ff;
+ break;
+ }
+
+ writel(mask, (void __iomem *)(adapter->ahw.pci_base + ISR_INT_MASK));
+
+ if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ mask = 0xbff;
+ writel(mask, (void __iomem *)
+ (adapter->ahw.pci_base + ISR_INT_TARGET_MASK));
+ }
+}
+
+int netxen_is_flash_supported(struct netxen_adapter *adapter);
+int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[]);
+
+extern void netxen_change_ringparam(struct netxen_adapter *adapter);
+extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr,
+ int *valp);
+
+extern struct ethtool_ops netxen_nic_ethtool_ops;
+
+#endif /* __NETXEN_NIC_H_ */
^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 2.6.18 7/9] NetXen: hw access routines header file
2006-09-27 15:27 [PATCH 2.6.18 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
` (5 preceding siblings ...)
2006-09-27 15:46 ` [PATCH 2.6.18 6/9] NetXen: Main header file Amit S. Kale
@ 2006-09-27 15:49 ` Amit S. Kale
2006-09-27 15:53 ` [PATCH 2.6.18 8/9] NetXen: Header file and ioctl " Amit S. Kale
2006-09-27 16:00 ` [PATCH 2.6.18 9/9] NetXen: CRB reg definitions Amit S. Kale
8 siblings, 0 replies; 10+ messages in thread
From: Amit S. Kale @ 2006-09-27 15:49 UTC (permalink / raw)
To: netdev
Cc: Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx,
Randy Dunlap, jeff
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/netxen_nic_hw.h linux-2.6.18/drivers/net/netxen/netxen_nic_hw.h
--- linux-2.6.18.orig/drivers/net/netxen/netxen_nic_hw.h 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/netxen_nic_hw.h 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,480 @@
+/*
+ * 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
+ *
+ *
+ * Structures, enums, and macros for the MAC
+ *
+ */
+
+#ifndef __NETXEN_NIC_HW_H_
+#define __NETXEN_NIC_HW_H_
+
+#include "netxen_nic_hdr.h"
+
+/* Hardware memory size of 128 meg */
+#define NETXEN_MEMADDR_MAX (128 * 1024 * 1024)
+
+#ifndef readq
+static inline u64 readq(void __iomem * addr)
+{
+ return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
+}
+#endif
+
+#ifndef writeq
+static inline void writeq(u64 val, void __iomem * addr)
+{
+ writel(((u32) (val)), (addr));
+ writel(((u32) (val >> 32)), (addr + 4));
+}
+#endif
+
+static inline void netxen_nic_hw_block_write64(u64 __iomem * data_ptr,
+ u64 __iomem * addr,
+ int num_words)
+{
+ int num;
+ for (num = 0; num < num_words; num++) {
+ writeq(readq((void __iomem *)data_ptr), addr);
+ addr++;
+ data_ptr++;
+ }
+}
+
+static inline void netxen_nic_hw_block_read64(u64 __iomem * data_ptr,
+ u64 __iomem * addr, int num_words)
+{
+ int num;
+ for (num = 0; num < num_words; num++) {
+ writeq(readq((void __iomem *)addr), data_ptr);
+ addr++;
+ data_ptr++;
+ }
+
+}
+
+struct netxen_adapter;
+
+#define NETXEN_PCI_MAPSIZE_BYTES (NETXEN_PCI_MAPSIZE << 20)
+
+#define NETXEN_NIC_LOCKED_READ_REG(X, Y) \
+ addr = (adapter->ahw.pci_base + X); \
+ *(u32 *)Y = readl((void __iomem*) addr);
+
+struct netxen_port;
+void netxen_nic_set_link_parameters(struct netxen_port *port);
+void netxen_nic_flash_print(struct netxen_adapter *adapter);
+int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off,
+ void *data, int len);
+void netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
+ unsigned long off, int data);
+int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off,
+ void *data, int len);
+
+typedef u8 netxen_ethernet_macaddr_t[6];
+
+/* Nibble or Byte mode for phy interface (GbE mode only) */
+typedef enum {
+ NETXEN_NIU_10_100_MB = 0,
+ NETXEN_NIU_1000_MB
+} netxen_niu_gbe_ifmode_t;
+
+#define _netxen_crb_get_bit(var, bit) ((var >> bit) & 0x1)
+
+/*
+ * NIU GB MAC Config Register 0 (applies to GB0, GB1, GB2, GB3)
+ *
+ * Bit 0 : enable_tx => 1:enable frame xmit, 0:disable
+ * Bit 1 : tx_synced => R/O: xmit enable synched to xmit stream
+ * Bit 2 : enable_rx => 1:enable frame recv, 0:disable
+ * Bit 3 : rx_synced => R/O: recv enable synched to recv stream
+ * Bit 4 : tx_flowctl => 1:enable pause frame generation, 0:disable
+ * Bit 5 : rx_flowctl => 1:act on recv'd pause frames, 0:ignore
+ * Bit 8 : loopback => 1:loop MAC xmits to MAC recvs, 0:normal
+ * Bit 16: tx_reset_pb => 1:reset frame xmit protocol blk, 0:no-op
+ * Bit 17: rx_reset_pb => 1:reset frame recv protocol blk, 0:no-op
+ * Bit 18: tx_reset_mac => 1:reset data/ctl multiplexer blk, 0:no-op
+ * Bit 19: rx_reset_mac => 1:reset ctl frames & timers blk, 0:no-op
+ * Bit 31: soft_reset => 1:reset the MAC and the SERDES, 0:no-op
+ */
+
+#define netxen_gb_enable_tx(config_word) \
+ set_bit(0, (unsigned long*)(&config_word))
+#define netxen_gb_enable_rx(config_word) \
+ set_bit(2, (unsigned long*)(&config_word))
+#define netxen_gb_tx_flowctl(config_word) \
+ set_bit(4, (unsigned long*)(&config_word))
+#define netxen_gb_rx_flowctl(config_word) \
+ set_bit(5, (unsigned long*)(&config_word))
+#define netxen_gb_tx_reset_pb(config_word) \
+ set_bit(16, (unsigned long*)(&config_word))
+#define netxen_gb_rx_reset_pb(config_word) \
+ set_bit(17, (unsigned long*)(&config_word))
+#define netxen_gb_tx_reset_mac(config_word) \
+ set_bit(18, (unsigned long*)(&config_word))
+#define netxen_gb_rx_reset_mac(config_word) \
+ set_bit(19, (unsigned long*)(&config_word))
+#define netxen_gb_soft_reset(config_word) \
+ set_bit(31, (unsigned long*)(&config_word))
+
+#define netxen_gb_unset_tx_flowctl(config_word) \
+ clear_bit(4, (unsigned long *)(&config_word))
+#define netxen_gb_unset_rx_flowctl(config_word) \
+ clear_bit(5, (unsigned long*)(&config_word))
+
+#define netxen_gb_get_tx_synced(config_word) \
+ _netxen_crb_get_bit((config_word), 1)
+#define netxen_gb_get_rx_synced(config_word) \
+ _netxen_crb_get_bit((config_word), 3)
+#define netxen_gb_get_tx_flowctl(config_word) \
+ _netxen_crb_get_bit((config_word), 4)
+#define netxen_gb_get_rx_flowctl(config_word) \
+ _netxen_crb_get_bit((config_word), 5)
+#define netxen_gb_get_soft_reset(config_word) \
+ _netxen_crb_get_bit((config_word), 31)
+
+/*
+ * NIU GB MAC Config Register 1 (applies to GB0, GB1, GB2, GB3)
+ *
+ * Bit 0 : duplex => 1:full duplex mode, 0:half duplex
+ * Bit 1 : crc_enable => 1:append CRC to xmit frames, 0:dont append
+ * Bit 2 : padshort => 1:pad short frames and add CRC, 0:dont pad
+ * Bit 4 : checklength => 1:check framelen with actual,0:dont check
+ * Bit 5 : hugeframes => 1:allow oversize xmit frames, 0:dont allow
+ * Bits 8-9 : intfmode => 01:nibble (10/100), 10:byte (1000)
+ * Bits 12-15 : preamblelen => preamble field length in bytes, default 7
+ */
+
+#define netxen_gb_set_duplex(config_word) \
+ set_bit(0, (unsigned long*)&config_word)
+#define netxen_gb_set_crc_enable(config_word) \
+ set_bit(1, (unsigned long*)&config_word)
+#define netxen_gb_set_padshort(config_word) \
+ set_bit(2, (unsigned long*)&config_word)
+#define netxen_gb_set_checklength(config_word) \
+ set_bit(4, (unsigned long*)&config_word)
+#define netxen_gb_set_hugeframes(config_word) \
+ set_bit(5, (unsigned long*)&config_word)
+#define netxen_gb_set_preamblelen(config_word, val) \
+ ((config_word) |= ((val) << 12) & 0xF000)
+#define netxen_gb_set_intfmode(config_word, val) \
+ ((config_word) |= ((val) << 8) & 0x300)
+
+#define netxen_gb_get_stationaddress_low(config_word) ((config_word) >> 16)
+
+#define netxen_gb_set_mii_mgmt_clockselect(config_word, val) \
+ ((config_word) |= ((val) & 0x07))
+#define netxen_gb_mii_mgmt_reset(config_word) \
+ set_bit(31, (unsigned long*)&config_word)
+#define netxen_gb_mii_mgmt_unset(config_word) \
+ clear_bit(31, (unsigned long*)&config_word)
+
+/*
+ * NIU GB MII Mgmt Command Register (applies to GB0, GB1, GB2, GB3)
+ * Bit 0 : read_cycle => 1:perform single read cycle, 0:no-op
+ * Bit 1 : scan_cycle => 1:perform continuous read cycles, 0:no-op
+ */
+
+#define netxen_gb_mii_mgmt_set_read_cycle(config_word) \
+ set_bit(0, (unsigned long*)&config_word)
+#define netxen_gb_mii_mgmt_reg_addr(config_word, val) \
+ ((config_word) |= ((val) & 0x1F))
+#define netxen_gb_mii_mgmt_phy_addr(config_word, val) \
+ ((config_word) |= (((val) & 0x1F) << 8))
+
+/*
+ * NIU GB MII Mgmt Indicators Register (applies to GB0, GB1, GB2, GB3)
+ * Read-only register.
+ * Bit 0 : busy => 1:performing an MII mgmt cycle, 0:idle
+ * Bit 1 : scanning => 1:scan operation in progress, 0:idle
+ * Bit 2 : notvalid => :mgmt result data not yet valid, 0:idle
+ */
+#define netxen_get_gb_mii_mgmt_busy(config_word) \
+ _netxen_crb_get_bit(config_word, 0)
+#define netxen_get_gb_mii_mgmt_scanning(config_word) \
+ _netxen_crb_get_bit(config_word, 1)
+#define netxen_get_gb_mii_mgmt_notvalid(config_word) \
+ _netxen_crb_get_bit(config_word, 2)
+
+/*
+ * PHY-Specific MII control/status registers.
+ */
+typedef enum {
+ NETXEN_NIU_GB_MII_MGMT_ADDR_CONTROL = 0,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_STATUS = 1,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_0 = 2,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_1 = 3,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG = 4,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART = 5,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG_MORE = 6,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_NEXTPAGE_XMIT = 7,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART_NEXTPAGE = 8,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_CONTROL = 9,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_STATUS = 10,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_EXTENDED_STATUS = 15,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL = 16,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS = 17,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE = 18,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS = 19,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE = 20,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_RECV_ERROR_COUNT = 21,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_LED_CONTROL = 24,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_LED_OVERRIDE = 25,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE_YET = 26,
+ NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS_MORE = 27
+} netxen_niu_phy_register_t;
+
+/*
+ * PHY-Specific Status Register (reg 17).
+ *
+ * Bit 0 : jabber => 1:jabber detected, 0:not
+ * Bit 1 : polarity => 1:polarity reversed, 0:normal
+ * Bit 2 : recvpause => 1:receive pause enabled, 0:disabled
+ * Bit 3 : xmitpause => 1:transmit pause enabled, 0:disabled
+ * Bit 4 : energydetect => 1:sleep, 0:active
+ * Bit 5 : downshift => 1:downshift, 0:no downshift
+ * Bit 6 : crossover => 1:MDIX (crossover), 0:MDI (no crossover)
+ * Bits 7-9 : cablelen => not valid in 10Mb/s mode
+ * 0:<50m, 1:50-80m, 2:80-110m, 3:110-140m, 4:>140m
+ * Bit 10 : link => 1:link up, 0:link down
+ * Bit 11 : resolved => 1:speed and duplex resolved, 0:not yet
+ * Bit 12 : pagercvd => 1:page received, 0:page not received
+ * Bit 13 : duplex => 1:full duplex, 0:half duplex
+ * Bits 14-15 : speed => 0:10Mb/s, 1:100Mb/s, 2:1000Mb/s, 3:rsvd
+ */
+
+#define netxen_get_phy_cablelen(config_word) (((config_word) >> 7) & 0x07)
+#define netxen_get_phy_speed(config_word) (((config_word) >> 14) & 0x03)
+
+#define netxen_set_phy_speed(config_word, val) \
+ ((config_word) |= ((val & 0x03) << 14))
+#define netxen_set_phy_duplex(config_word) \
+ set_bit(13, (unsigned long*)&config_word)
+#define netxen_clear_phy_duplex(config_word) \
+ clear_bit(13, (unsigned long*)&config_word)
+
+#define netxen_get_phy_jabber(config_word) \
+ _netxen_crb_get_bit(config_word, 0)
+#define netxen_get_phy_polarity(config_word) \
+ _netxen_crb_get_bit(config_word, 1)
+#define netxen_get_phy_recvpause(config_word) \
+ _netxen_crb_get_bit(config_word, 2)
+#define netxen_get_phy_xmitpause(config_word) \
+ _netxen_crb_get_bit(config_word, 3)
+#define netxen_get_phy_energydetect(config_word) \
+ _netxen_crb_get_bit(config_word, 4)
+#define netxen_get_phy_downshift(config_word) \
+ _netxen_crb_get_bit(config_word, 5)
+#define netxen_get_phy_crossover(config_word) \
+ _netxen_crb_get_bit(config_word, 6)
+#define netxen_get_phy_link(config_word) \
+ _netxen_crb_get_bit(config_word, 10)
+#define netxen_get_phy_resolved(config_word) \
+ _netxen_crb_get_bit(config_word, 11)
+#define netxen_get_phy_pagercvd(config_word) \
+ _netxen_crb_get_bit(config_word, 12)
+#define netxen_get_phy_duplex(config_word) \
+ _netxen_crb_get_bit(config_word, 13)
+
+/*
+ * Interrupt Register definition
+ * This definition applies to registers 18 and 19 (int enable and int status).
+ * Bit 0 : jabber
+ * Bit 1 : polarity_changed
+ * Bit 4 : energy_detect
+ * Bit 5 : downshift
+ * Bit 6 : mdi_xover_changed
+ * Bit 7 : fifo_over_underflow
+ * Bit 8 : false_carrier
+ * Bit 9 : symbol_error
+ * Bit 10: link_status_changed
+ * Bit 11: autoneg_completed
+ * Bit 12: page_received
+ * Bit 13: duplex_changed
+ * Bit 14: speed_changed
+ * Bit 15: autoneg_error
+ */
+
+#define netxen_get_phy_int_jabber(config_word) \
+ _netxen_crb_get_bit(config_word, 0)
+#define netxen_get_phy_int_polarity_changed(config_word) \
+ _netxen_crb_get_bit(config_word, 1)
+#define netxen_get_phy_int_energy_detect(config_word) \
+ _netxen_crb_get_bit(config_word, 4)
+#define netxen_get_phy_int_downshift(config_word) \
+ _netxen_crb_get_bit(config_word, 5)
+#define netxen_get_phy_int_mdi_xover_changed(config_word) \
+ _netxen_crb_get_bit(config_word, 6)
+#define netxen_get_phy_int_fifo_over_underflow(config_word) \
+ _netxen_crb_get_bit(config_word, 7)
+#define netxen_get_phy_int_false_carrier(config_word) \
+ _netxen_crb_get_bit(config_word, 8)
+#define netxen_get_phy_int_symbol_error(config_word) \
+ _netxen_crb_get_bit(config_word, 9)
+#define netxen_get_phy_int_link_status_changed(config_word) \
+ _netxen_crb_get_bit(config_word, 10)
+#define netxen_get_phy_int_autoneg_completed(config_word) \
+ _netxen_crb_get_bit(config_word, 11)
+#define netxen_get_phy_int_page_received(config_word) \
+ _netxen_crb_get_bit(config_word, 12)
+#define netxen_get_phy_int_duplex_changed(config_word) \
+ _netxen_crb_get_bit(config_word, 13)
+#define netxen_get_phy_int_speed_changed(config_word) \
+ _netxen_crb_get_bit(config_word, 14)
+#define netxen_get_phy_int_autoneg_error(config_word) \
+ _netxen_crb_get_bit(config_word, 15)
+
+#define netxen_set_phy_int_link_status_changed(config_word) \
+ set_bit(10, (unsigned long*)&config_word)
+#define netxen_set_phy_int_autoneg_completed(config_word) \
+ set_bit(11, (unsigned long*)&config_word)
+#define netxen_set_phy_int_speed_changed(config_word) \
+ set_bit(14, (unsigned long*)&config_word)
+
+/*
+ * NIU Mode Register.
+ * Bit 0 : enable FibreChannel
+ * Bit 1 : enable 10/100/1000 Ethernet
+ * Bit 2 : enable 10Gb Ethernet
+ */
+
+#define netxen_get_niu_enable_ge(config_word) \
+ _netxen_crb_get_bit(config_word, 1)
+
+/* Promiscous mode options (GbE mode only) */
+typedef enum {
+ NETXEN_NIU_PROMISC_MODE = 0,
+ NETXEN_NIU_NON_PROMISC_MODE
+} netxen_niu_prom_mode_t;
+
+/*
+ * NIU GB Drop CRC Register
+ *
+ * Bit 0 : drop_gb0 => 1:drop pkts with bad CRCs, 0:pass them on
+ * Bit 1 : drop_gb1 => 1:drop pkts with bad CRCs, 0:pass them on
+ * Bit 2 : drop_gb2 => 1:drop pkts with bad CRCs, 0:pass them on
+ * Bit 3 : drop_gb3 => 1:drop pkts with bad CRCs, 0:pass them on
+ */
+
+#define netxen_set_gb_drop_gb0(config_word) \
+ set_bit(0, (unsigned long*)&config_word)
+#define netxen_set_gb_drop_gb1(config_word) \
+ set_bit(1, (unsigned long*)&config_word)
+#define netxen_set_gb_drop_gb2(config_word) \
+ set_bit(2, (unsigned long*)&config_word)
+#define netxen_set_gb_drop_gb3(config_word) \
+ set_bit(3, (unsigned long*)&config_word)
+
+#define netxen_clear_gb_drop_gb0(config_word) \
+ clear_bit(0, (unsigned long*)&config_word)
+#define netxen_clear_gb_drop_gb1(config_word) \
+ clear_bit(1, (unsigned long*)&config_word)
+#define netxen_clear_gb_drop_gb2(config_word) \
+ clear_bit(2, (unsigned long*)&config_word)
+#define netxen_clear_gb_drop_gb3(config_word) \
+ clear_bit(3, (unsigned long*)&config_word)
+
+/*
+ * NIU XG MAC Config Register
+ *
+ * Bit 0 : tx_enable => 1:enable frame xmit, 0:disable
+ * Bit 2 : rx_enable => 1:enable frame recv, 0:disable
+ * Bit 4 : soft_reset => 1:reset the MAC , 0:no-op
+ * Bit 27: xaui_framer_reset
+ * Bit 28: xaui_rx_reset
+ * Bit 29: xaui_tx_reset
+ * Bit 30: xg_ingress_afifo_reset
+ * Bit 31: xg_egress_afifo_reset
+ */
+
+#define netxen_xg_soft_reset(config_word) \
+ set_bit(4, (unsigned long*)&config_word)
+
+/*
+ * MAC Control Register
+ *
+ * Bit 0-1 : id_pool0
+ * Bit 2 : enable_xtnd0
+ * Bit 4-5 : id_pool1
+ * Bit 6 : enable_xtnd1
+ * Bit 8-9 : id_pool2
+ * Bit 10 : enable_xtnd2
+ * Bit 12-13 : id_pool3
+ * Bit 14 : enable_xtnd3
+ * Bit 24-25 : mode_select
+ * Bit 28-31 : enable_pool
+ */
+
+#define netxen_nic_mcr_set_id_pool0(config, val) \
+ ((config) |= ((val) &0x03))
+#define netxen_nic_mcr_set_enable_xtnd0(config) \
+ (set_bit(3, (unsigned long *)&(config)))
+#define netxen_nic_mcr_set_id_pool1(config, val) \
+ ((config) |= (((val) & 0x03) << 4))
+#define netxen_nic_mcr_set_enable_xtnd1(config) \
+ (set_bit(6, (unsigned long *)&(config)))
+#define netxen_nic_mcr_set_id_pool2(config, val) \
+ ((config) |= (((val) & 0x03) << 8))
+#define netxen_nic_mcr_set_enable_xtnd2(config) \
+ (set_bit(10, (unsigned long *)&(config)))
+#define netxen_nic_mcr_set_id_pool3(config, val) \
+ ((config) |= (((val) & 0x03) << 12))
+#define netxen_nic_mcr_set_enable_xtnd3(config) \
+ (set_bit(14, (unsigned long *)&(config)))
+#define netxen_nic_mcr_set_mode_select(config, val) \
+ ((config) |= (((val) & 0x03) << 24))
+#define netxen_nic_mcr_set_enable_pool(config, val) \
+ ((config) |= (((val) & 0x0f) << 28))
+
+/* Set promiscuous mode for a GbE interface */
+int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, int port,
+ netxen_niu_prom_mode_t mode);
+int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
+ int port, netxen_niu_prom_mode_t mode);
+
+/* get/set the MAC address for a given MAC */
+int netxen_niu_macaddr_get(struct netxen_adapter *adapter, int port,
+ netxen_ethernet_macaddr_t * addr);
+int netxen_niu_macaddr_set(struct netxen_port *port,
+ netxen_ethernet_macaddr_t addr);
+
+/* XG versons */
+int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, int port,
+ netxen_ethernet_macaddr_t * addr);
+int netxen_niu_xg_macaddr_set(struct netxen_port *port,
+ netxen_ethernet_macaddr_t addr);
+
+/* Generic enable for GbE ports. Will detect the speed of the link. */
+int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port);
+
+/* Disable a GbE interface */
+int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter, int port);
+
+int netxen_niu_disable_xg_port(struct netxen_adapter *adapter, int port);
+
+#endif /* __NETXEN_NIC_HW_H_ */
^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 2.6.18 8/9] NetXen: Header file and ioctl header file
2006-09-27 15:27 [PATCH 2.6.18 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
` (6 preceding siblings ...)
2006-09-27 15:49 ` [PATCH 2.6.18 7/9] NetXen: hw access routines " Amit S. Kale
@ 2006-09-27 15:53 ` Amit S. Kale
2006-09-27 16:00 ` [PATCH 2.6.18 9/9] NetXen: CRB reg definitions Amit S. Kale
8 siblings, 0 replies; 10+ messages in thread
From: Amit S. Kale @ 2006-09-27 15:53 UTC (permalink / raw)
To: netdev
Cc: Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx,
Randy Dunlap, jeff
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/netxen_nic_hdr.h linux-2.6.18/drivers/net/netxen/netxen_nic_hdr.h
--- linux-2.6.18.orig/drivers/net/netxen/netxen_nic_hdr.h 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/netxen_nic_hdr.h 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,618 @@
+/*
+ * 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
+ */
+
+#ifndef __NETXEN_NIC_HDR_H_
+#define __NETXEN_NIC_HDR_H_
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/config.h>
+#include <linux/version.h>
+
+#include <asm/semaphore.h>
+#include <linux/spinlock.h>
+#include <asm/irq.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/types.h>
+#include <asm/uaccess.h>
+#include <asm/string.h> /* for memset */
+
+/*
+ * The basic unit of access when reading/writing control registers.
+ */
+
+typedef __le32 netxen_crbword_t; /* single word in CRB space */
+
+enum {
+ NETXEN_HW_H0_CH_HUB_ADR = 0x05,
+ NETXEN_HW_H1_CH_HUB_ADR = 0x0E,
+ NETXEN_HW_H2_CH_HUB_ADR = 0x03,
+ NETXEN_HW_H3_CH_HUB_ADR = 0x01,
+ NETXEN_HW_H4_CH_HUB_ADR = 0x06,
+ NETXEN_HW_H5_CH_HUB_ADR = 0x07,
+ NETXEN_HW_H6_CH_HUB_ADR = 0x08
+};
+
+/* Hub 0 */
+enum {
+ NETXEN_HW_MN_CRB_AGT_ADR = 0x15,
+ NETXEN_HW_MS_CRB_AGT_ADR = 0x25
+};
+
+/* Hub 1 */
+enum {
+ NETXEN_HW_PS_CRB_AGT_ADR = 0x73,
+ NETXEN_HW_SS_CRB_AGT_ADR = 0x20,
+ NETXEN_HW_RPMX3_CRB_AGT_ADR = 0x0b,
+ NETXEN_HW_QMS_CRB_AGT_ADR = 0x00,
+ NETXEN_HW_SQGS0_CRB_AGT_ADR = 0x01,
+ NETXEN_HW_SQGS1_CRB_AGT_ADR = 0x02,
+ NETXEN_HW_SQGS2_CRB_AGT_ADR = 0x03,
+ NETXEN_HW_SQGS3_CRB_AGT_ADR = 0x04,
+ NETXEN_HW_C2C0_CRB_AGT_ADR = 0x58,
+ NETXEN_HW_C2C1_CRB_AGT_ADR = 0x59,
+ NETXEN_HW_C2C2_CRB_AGT_ADR = 0x5a,
+ NETXEN_HW_RPMX2_CRB_AGT_ADR = 0x0a,
+ NETXEN_HW_RPMX4_CRB_AGT_ADR = 0x0c,
+ NETXEN_HW_RPMX7_CRB_AGT_ADR = 0x0f,
+ NETXEN_HW_RPMX9_CRB_AGT_ADR = 0x12,
+ NETXEN_HW_SMB_CRB_AGT_ADR = 0x18
+};
+
+/* Hub 2 */
+enum {
+ NETXEN_HW_NIU_CRB_AGT_ADR = 0x31,
+ NETXEN_HW_I2C0_CRB_AGT_ADR = 0x19,
+ NETXEN_HW_I2C1_CRB_AGT_ADR = 0x29,
+
+ NETXEN_HW_SN_CRB_AGT_ADR = 0x10,
+ NETXEN_HW_I2Q_CRB_AGT_ADR = 0x20,
+ NETXEN_HW_LPC_CRB_AGT_ADR = 0x22,
+ NETXEN_HW_ROMUSB_CRB_AGT_ADR = 0x21,
+ NETXEN_HW_QM_CRB_AGT_ADR = 0x66,
+ NETXEN_HW_SQG0_CRB_AGT_ADR = 0x60,
+ NETXEN_HW_SQG1_CRB_AGT_ADR = 0x61,
+ NETXEN_HW_SQG2_CRB_AGT_ADR = 0x62,
+ NETXEN_HW_SQG3_CRB_AGT_ADR = 0x63,
+ NETXEN_HW_RPMX1_CRB_AGT_ADR = 0x09,
+ NETXEN_HW_RPMX5_CRB_AGT_ADR = 0x0d,
+ NETXEN_HW_RPMX6_CRB_AGT_ADR = 0x0e,
+ NETXEN_HW_RPMX8_CRB_AGT_ADR = 0x11
+};
+
+/* Hub 3 */
+enum {
+ NETXEN_HW_PH_CRB_AGT_ADR = 0x1A,
+ NETXEN_HW_SRE_CRB_AGT_ADR = 0x50,
+ NETXEN_HW_EG_CRB_AGT_ADR = 0x51,
+ NETXEN_HW_RPMX0_CRB_AGT_ADR = 0x08
+};
+
+/* Hub 4 */
+enum {
+ NETXEN_HW_PEGN0_CRB_AGT_ADR = 0x40,
+ NETXEN_HW_PEGN1_CRB_AGT_ADR,
+ NETXEN_HW_PEGN2_CRB_AGT_ADR,
+ NETXEN_HW_PEGN3_CRB_AGT_ADR,
+ NETXEN_HW_PEGNI_CRB_AGT_ADR,
+ NETXEN_HW_PEGND_CRB_AGT_ADR,
+ NETXEN_HW_PEGNC_CRB_AGT_ADR,
+ NETXEN_HW_PEGR0_CRB_AGT_ADR,
+ NETXEN_HW_PEGR1_CRB_AGT_ADR,
+ NETXEN_HW_PEGR2_CRB_AGT_ADR,
+ NETXEN_HW_PEGR3_CRB_AGT_ADR
+};
+
+/* Hub 5 */
+enum {
+ NETXEN_HW_PEGS0_CRB_AGT_ADR = 0x40,
+ NETXEN_HW_PEGS1_CRB_AGT_ADR,
+ NETXEN_HW_PEGS2_CRB_AGT_ADR,
+ NETXEN_HW_PEGS3_CRB_AGT_ADR,
+ NETXEN_HW_PEGSI_CRB_AGT_ADR,
+ NETXEN_HW_PEGSD_CRB_AGT_ADR,
+ NETXEN_HW_PEGSC_CRB_AGT_ADR
+};
+
+/* Hub 6 */
+enum {
+ NETXEN_HW_CAS0_CRB_AGT_ADR = 0x46,
+ NETXEN_HW_CAS1_CRB_AGT_ADR = 0x47,
+ NETXEN_HW_CAS2_CRB_AGT_ADR = 0x48,
+ NETXEN_HW_CAS3_CRB_AGT_ADR = 0x49,
+ NETXEN_HW_NCM_CRB_AGT_ADR = 0x16,
+ NETXEN_HW_TMR_CRB_AGT_ADR = 0x17,
+ NETXEN_HW_XDMA_CRB_AGT_ADR = 0x05,
+ NETXEN_HW_OCM0_CRB_AGT_ADR = 0x06,
+ NETXEN_HW_OCM1_CRB_AGT_ADR = 0x07
+};
+
+/* Floaters - non existent modules */
+#define NETXEN_HW_EFC_RPMX0_CRB_AGT_ADR 0x67
+
+/* This field defines PCI/X adr [25:20] of agents on the CRB */
+enum {
+ NETXEN_HW_PX_MAP_CRB_PH = 0,
+ NETXEN_HW_PX_MAP_CRB_PS,
+ NETXEN_HW_PX_MAP_CRB_MN,
+ NETXEN_HW_PX_MAP_CRB_MS,
+ NETXEN_HW_PX_MAP_CRB_PGR1,
+ NETXEN_HW_PX_MAP_CRB_SRE,
+ NETXEN_HW_PX_MAP_CRB_NIU,
+ NETXEN_HW_PX_MAP_CRB_QMN,
+ NETXEN_HW_PX_MAP_CRB_SQN0,
+ NETXEN_HW_PX_MAP_CRB_SQN1,
+ NETXEN_HW_PX_MAP_CRB_SQN2,
+ NETXEN_HW_PX_MAP_CRB_SQN3,
+ NETXEN_HW_PX_MAP_CRB_QMS,
+ NETXEN_HW_PX_MAP_CRB_SQS0,
+ NETXEN_HW_PX_MAP_CRB_SQS1,
+ NETXEN_HW_PX_MAP_CRB_SQS2,
+ NETXEN_HW_PX_MAP_CRB_SQS3,
+ NETXEN_HW_PX_MAP_CRB_PGN0,
+ NETXEN_HW_PX_MAP_CRB_PGN1,
+ NETXEN_HW_PX_MAP_CRB_PGN2,
+ NETXEN_HW_PX_MAP_CRB_PGN3,
+ NETXEN_HW_PX_MAP_CRB_PGND,
+ NETXEN_HW_PX_MAP_CRB_PGNI,
+ NETXEN_HW_PX_MAP_CRB_PGS0,
+ NETXEN_HW_PX_MAP_CRB_PGS1,
+ NETXEN_HW_PX_MAP_CRB_PGS2,
+ NETXEN_HW_PX_MAP_CRB_PGS3,
+ NETXEN_HW_PX_MAP_CRB_PGSD,
+ NETXEN_HW_PX_MAP_CRB_PGSI,
+ NETXEN_HW_PX_MAP_CRB_SN,
+ NETXEN_HW_PX_MAP_CRB_PGR2,
+ NETXEN_HW_PX_MAP_CRB_EG,
+ NETXEN_HW_PX_MAP_CRB_PH2,
+ NETXEN_HW_PX_MAP_CRB_PS2,
+ NETXEN_HW_PX_MAP_CRB_CAM,
+ NETXEN_HW_PX_MAP_CRB_CAS0,
+ NETXEN_HW_PX_MAP_CRB_CAS1,
+ NETXEN_HW_PX_MAP_CRB_CAS2,
+ NETXEN_HW_PX_MAP_CRB_C2C0,
+ NETXEN_HW_PX_MAP_CRB_C2C1,
+ NETXEN_HW_PX_MAP_CRB_TIMR,
+ NETXEN_HW_PX_MAP_CRB_PGR3,
+ NETXEN_HW_PX_MAP_CRB_RPMX1,
+ NETXEN_HW_PX_MAP_CRB_RPMX2,
+ NETXEN_HW_PX_MAP_CRB_RPMX3,
+ NETXEN_HW_PX_MAP_CRB_RPMX4,
+ NETXEN_HW_PX_MAP_CRB_RPMX5,
+ NETXEN_HW_PX_MAP_CRB_RPMX6,
+ NETXEN_HW_PX_MAP_CRB_RPMX7,
+ NETXEN_HW_PX_MAP_CRB_XDMA,
+ NETXEN_HW_PX_MAP_CRB_I2Q,
+ NETXEN_HW_PX_MAP_CRB_ROMUSB,
+ NETXEN_HW_PX_MAP_CRB_CAS3,
+ NETXEN_HW_PX_MAP_CRB_RPMX0,
+ NETXEN_HW_PX_MAP_CRB_RPMX8,
+ NETXEN_HW_PX_MAP_CRB_RPMX9,
+ NETXEN_HW_PX_MAP_CRB_OCM0,
+ NETXEN_HW_PX_MAP_CRB_OCM1,
+ NETXEN_HW_PX_MAP_CRB_SMB,
+ NETXEN_HW_PX_MAP_CRB_I2C0,
+ NETXEN_HW_PX_MAP_CRB_I2C1,
+ NETXEN_HW_PX_MAP_CRB_LPC,
+ NETXEN_HW_PX_MAP_CRB_PGNC,
+ NETXEN_HW_PX_MAP_CRB_PGR0
+};
+
+/* This field defines CRB adr [31:20] of the agents */
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_MN \
+ ((NETXEN_HW_H0_CH_HUB_ADR << 7) | NETXEN_HW_MN_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PH \
+ ((NETXEN_HW_H0_CH_HUB_ADR << 7) | NETXEN_HW_PH_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_MS \
+ ((NETXEN_HW_H0_CH_HUB_ADR << 7) | NETXEN_HW_MS_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PS \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_PS_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SS \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SS_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3 \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX3_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_QMS \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_QMS_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS0 \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS1 \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS2 \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS3 \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS3_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_C2C0 \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_C2C0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_C2C1 \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_C2C1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2 \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4 \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX4_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7 \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX7_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9 \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX9_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SMB \
+ ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SMB_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_NIU \
+ ((NETXEN_HW_H2_CH_HUB_ADR << 7) | NETXEN_HW_NIU_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_I2C0 \
+ ((NETXEN_HW_H2_CH_HUB_ADR << 7) | NETXEN_HW_I2C0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_I2C1 \
+ ((NETXEN_HW_H2_CH_HUB_ADR << 7) | NETXEN_HW_I2C1_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SRE \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SRE_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_EG \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_EG_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_QMN \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_QM_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN0 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN1 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN2 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN3 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG3_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX5_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX6_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX8_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS0 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS1 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS2 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS3 \
+ ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS3_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGNI \
+ ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGNI_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGND \
+ ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGND_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN0 \
+ ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN1 \
+ ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN2 \
+ ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN3 \
+ ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN3_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGNC \
+ ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGNC_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR0 \
+ ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR1 \
+ ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR2 \
+ ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR3 \
+ ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR3_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGSI \
+ ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGSI_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGSD \
+ ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGSD_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS0 \
+ ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS1 \
+ ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS2 \
+ ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS2_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS3 \
+ ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS3_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGSC \
+ ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGSC_CRB_AGT_ADR)
+
+#define NETXEN_HW_CRB_HUB_AGT_ADR_CAM \
+ ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_NCM_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_TIMR \
+ ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_TMR_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_XDMA \
+ ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_XDMA_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_SN \
+ ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_SN_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_I2Q \
+ ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_I2Q_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB \
+ ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_ROMUSB_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_OCM0 \
+ ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_OCM0_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_OCM1 \
+ ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_OCM1_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_LPC \
+ ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_LPC_CRB_AGT_ADR)
+
+/*
+ * MAX_RCV_CTX : The number of receive contexts that are available on
+ * the phantom.
+ */
+#define MAX_RCV_CTX 1
+
+#define NETXEN_SRE_INT_STATUS (NETXEN_CRB_SRE + 0x00034)
+#define NETXEN_SRE_PBI_ACTIVE_STATUS (NETXEN_CRB_SRE + 0x01014)
+#define NETXEN_SRE_L1RE_CTL (NETXEN_CRB_SRE + 0x03000)
+#define NETXEN_SRE_L2RE_CTL (NETXEN_CRB_SRE + 0x05000)
+#define NETXEN_SRE_BUF_CTL (NETXEN_CRB_SRE + 0x01000)
+
+#define NETXEN_DMA_BASE(U) (NETXEN_CRB_PCIX_MD + 0x20000 + ((U)<<16))
+#define NETXEN_DMA_COMMAND(U) (NETXEN_DMA_BASE(U) + 0x00008)
+
+#define NETXEN_I2Q_CLR_PCI_HI (NETXEN_CRB_I2Q + 0x00034)
+
+#define PEG_NETWORK_BASE(N) (NETXEN_CRB_PEG_NET_0 + (((N)&3) << 20))
+#define CRB_REG_EX_PC 0x3c
+
+#define ROMUSB_GLB (NETXEN_CRB_ROMUSB + 0x00000)
+#define ROMUSB_ROM (NETXEN_CRB_ROMUSB + 0x10000)
+
+#define NETXEN_ROMUSB_GLB_STATUS (ROMUSB_GLB + 0x0004)
+#define NETXEN_ROMUSB_GLB_SW_RESET (ROMUSB_GLB + 0x0008)
+#define NETXEN_ROMUSB_GLB_PAD_GPIO_I (ROMUSB_GLB + 0x000c)
+#define NETXEN_ROMUSB_GLB_CAS_RST (ROMUSB_GLB + 0x0038)
+#define NETXEN_ROMUSB_GLB_TEST_MUX_SEL (ROMUSB_GLB + 0x0044)
+#define NETXEN_ROMUSB_GLB_PEGTUNE_DONE (ROMUSB_GLB + 0x005c)
+#define NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL (ROMUSB_GLB + 0x00A8)
+
+#define NETXEN_ROMUSB_GPIO(n) (ROMUSB_GLB + 0x60 + (4 * (n)))
+
+#define NETXEN_ROMUSB_ROM_INSTR_OPCODE (ROMUSB_ROM + 0x0004)
+#define NETXEN_ROMUSB_ROM_ADDRESS (ROMUSB_ROM + 0x0008)
+#define NETXEN_ROMUSB_ROM_ABYTE_CNT (ROMUSB_ROM + 0x0010)
+#define NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT (ROMUSB_ROM + 0x0014)
+#define NETXEN_ROMUSB_ROM_RDATA (ROMUSB_ROM + 0x0018)
+
+/* Lock IDs for ROM lock */
+#define ROM_LOCK_DRIVER 0x0d417340
+
+#define NETXEN_PCI_CRB_WINDOWSIZE 0x00100000 /* all are 1MB windows */
+#define NETXEN_PCI_CRB_WINDOW(A) \
+ (NETXEN_PCI_CRBSPACE + (A)*NETXEN_PCI_CRB_WINDOWSIZE)
+
+#define NETXEN_CRB_NIU NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_NIU)
+#define NETXEN_CRB_SRE NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_SRE)
+#define NETXEN_CRB_ROMUSB \
+ NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_ROMUSB)
+#define NETXEN_CRB_I2Q NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_I2Q)
+#define NETXEN_CRB_MAX NETXEN_PCI_CRB_WINDOW(64)
+
+#define NETXEN_CRB_PCIX_HOST NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PH)
+#define NETXEN_CRB_PCIX_HOST2 NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PH2)
+#define NETXEN_CRB_PEG_NET_0 NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN0)
+#define NETXEN_CRB_PEG_NET_1 NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN1)
+#define NETXEN_CRB_PEG_NET_2 NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN2)
+#define NETXEN_CRB_PEG_NET_3 NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN3)
+#define NETXEN_CRB_PEG_NET_D NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGND)
+#define NETXEN_CRB_PEG_NET_I NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGNI)
+#define NETXEN_CRB_DDR_NET NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_MN)
+
+#define NETXEN_CRB_PCIX_MD NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PS)
+#define NETXEN_CRB_PCIE NETXEN_CRB_PCIX_MD
+
+#define ISR_INT_VECTOR (NETXEN_PCIX_PS_REG(PCIX_INT_VECTOR))
+#define ISR_INT_MASK (NETXEN_PCIX_PS_REG(PCIX_INT_MASK))
+#define ISR_INT_MASK_SLOW (NETXEN_PCIX_PS_REG(PCIX_INT_MASK))
+#define ISR_INT_TARGET_STATUS (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS))
+#define ISR_INT_TARGET_MASK (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK))
+
+#define NETXEN_PCI_MAPSIZE 128
+#define NETXEN_PCI_DDR_NET (0x00000000UL)
+#define NETXEN_PCI_QDR_NET (0x04000000UL)
+#define NETXEN_PCI_DIRECT_CRB (0x04400000UL)
+#define NETXEN_PCI_CAMQM_MAX (0x04ffffffUL)
+#define NETXEN_PCI_OCM0 (0x05000000UL)
+#define NETXEN_PCI_OCM0_MAX (0x050fffffUL)
+#define NETXEN_PCI_OCM1 (0x05100000UL)
+#define NETXEN_PCI_OCM1_MAX (0x051fffffUL)
+#define NETXEN_PCI_CRBSPACE (0x06000000UL)
+
+#define NETXEN_CRB_CAM NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_CAM)
+
+#define NETXEN_ADDR_DDR_NET (0x0000000000000000ULL)
+#define NETXEN_ADDR_DDR_NET_MAX (0x000000000fffffffULL)
+#define NETXEN_ADDR_OCM0 (0x0000000200000000ULL)
+#define NETXEN_ADDR_OCM0_MAX (0x00000002000fffffULL)
+#define NETXEN_ADDR_OCM1 (0x0000000200400000ULL)
+#define NETXEN_ADDR_OCM1_MAX (0x00000002004fffffULL)
+#define NETXEN_ADDR_QDR_NET (0x0000000300000000ULL)
+#define NETXEN_ADDR_QDR_NET_MAX (0x00000003003fffffULL)
+
+ /* 200ms delay in each loop */
+#define NETXEN_NIU_PHY_WAITLEN 200000
+ /* 10 seconds before we give up */
+#define NETXEN_NIU_PHY_WAITMAX 50
+#define NETXEN_NIU_MAX_GBE_PORTS 4
+
+#define NETXEN_NIU_MODE (NETXEN_CRB_NIU + 0x00000)
+
+#define NETXEN_NIU_XG_SINGLE_TERM (NETXEN_CRB_NIU + 0x00004)
+#define NETXEN_NIU_XG_DRIVE_HI (NETXEN_CRB_NIU + 0x00008)
+#define NETXEN_NIU_XG_DRIVE_LO (NETXEN_CRB_NIU + 0x0000c)
+#define NETXEN_NIU_XG_DTX (NETXEN_CRB_NIU + 0x00010)
+#define NETXEN_NIU_XG_DEQ (NETXEN_CRB_NIU + 0x00014)
+#define NETXEN_NIU_XG_WORD_ALIGN (NETXEN_CRB_NIU + 0x00018)
+#define NETXEN_NIU_XG_RESET (NETXEN_CRB_NIU + 0x0001c)
+#define NETXEN_NIU_XG_POWER_DOWN (NETXEN_CRB_NIU + 0x00020)
+#define NETXEN_NIU_XG_RESET_PLL (NETXEN_CRB_NIU + 0x00024)
+#define NETXEN_NIU_XG_SERDES_LOOPBACK (NETXEN_CRB_NIU + 0x00028)
+#define NETXEN_NIU_XG_DO_BYTE_ALIGN (NETXEN_CRB_NIU + 0x0002c)
+#define NETXEN_NIU_XG_TX_ENABLE (NETXEN_CRB_NIU + 0x00030)
+#define NETXEN_NIU_XG_RX_ENABLE (NETXEN_CRB_NIU + 0x00034)
+#define NETXEN_NIU_XG_STATUS (NETXEN_CRB_NIU + 0x00038)
+#define NETXEN_NIU_XG_PAUSE_THRESHOLD (NETXEN_CRB_NIU + 0x0003c)
+#define NETXEN_NIU_INT_MASK (NETXEN_CRB_NIU + 0x00040)
+#define NETXEN_NIU_ACTIVE_INT (NETXEN_CRB_NIU + 0x00044)
+#define NETXEN_NIU_MASKABLE_INT (NETXEN_CRB_NIU + 0x00048)
+
+#define NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER (NETXEN_CRB_NIU + 0x0004c)
+
+#define NETXEN_NIU_GB_SERDES_RESET (NETXEN_CRB_NIU + 0x00050)
+#define NETXEN_NIU_GB0_GMII_MODE (NETXEN_CRB_NIU + 0x00054)
+#define NETXEN_NIU_GB0_MII_MODE (NETXEN_CRB_NIU + 0x00058)
+#define NETXEN_NIU_GB1_GMII_MODE (NETXEN_CRB_NIU + 0x0005c)
+#define NETXEN_NIU_GB1_MII_MODE (NETXEN_CRB_NIU + 0x00060)
+#define NETXEN_NIU_GB2_GMII_MODE (NETXEN_CRB_NIU + 0x00064)
+#define NETXEN_NIU_GB2_MII_MODE (NETXEN_CRB_NIU + 0x00068)
+#define NETXEN_NIU_GB3_GMII_MODE (NETXEN_CRB_NIU + 0x0006c)
+#define NETXEN_NIU_GB3_MII_MODE (NETXEN_CRB_NIU + 0x00070)
+#define NETXEN_NIU_REMOTE_LOOPBACK (NETXEN_CRB_NIU + 0x00074)
+#define NETXEN_NIU_GB0_HALF_DUPLEX (NETXEN_CRB_NIU + 0x00078)
+#define NETXEN_NIU_GB1_HALF_DUPLEX (NETXEN_CRB_NIU + 0x0007c)
+#define NETXEN_NIU_RESET_SYS_FIFOS (NETXEN_CRB_NIU + 0x00088)
+#define NETXEN_NIU_GB_CRC_DROP (NETXEN_CRB_NIU + 0x0008c)
+#define NETXEN_NIU_GB_DROP_WRONGADDR (NETXEN_CRB_NIU + 0x00090)
+#define NETXEN_NIU_TEST_MUX_CTL (NETXEN_CRB_NIU + 0x00094)
+#define NETXEN_NIU_XG_PAUSE_CTL (NETXEN_CRB_NIU + 0x00098)
+#define NETXEN_NIU_XG_PAUSE_LEVEL (NETXEN_CRB_NIU + 0x000dc)
+#define NETXEN_NIU_XG_SEL (NETXEN_CRB_NIU + 0x00128)
+
+#define NETXEN_MAC_ADDR_CNTL_REG (NETXEN_CRB_NIU + 0x1000)
+
+#define NETXEN_MULTICAST_ADDR_HI_0 (NETXEN_CRB_NIU + 0x1010)
+#define NETXEN_MULTICAST_ADDR_HI_1 (NETXEN_CRB_NIU + 0x1014)
+#define NETXEN_MULTICAST_ADDR_HI_2 (NETXEN_CRB_NIU + 0x1018)
+#define NETXEN_MULTICAST_ADDR_HI_3 (NETXEN_CRB_NIU + 0x101c)
+
+#define NETXEN_NIU_GB_MAC_CONFIG_0(I) \
+ (NETXEN_CRB_NIU + 0x30000 + (I)*0x10000)
+#define NETXEN_NIU_GB_MAC_CONFIG_1(I) \
+ (NETXEN_CRB_NIU + 0x30004 + (I)*0x10000)
+#define NETXEN_NIU_GB_MAC_IPG_IFG(I) \
+ (NETXEN_CRB_NIU + 0x30008 + (I)*0x10000)
+#define NETXEN_NIU_GB_HALF_DUPLEX_CTRL(I) \
+ (NETXEN_CRB_NIU + 0x3000c + (I)*0x10000)
+#define NETXEN_NIU_GB_MAX_FRAME_SIZE(I) \
+ (NETXEN_CRB_NIU + 0x30010 + (I)*0x10000)
+#define NETXEN_NIU_GB_TEST_REG(I) \
+ (NETXEN_CRB_NIU + 0x3001c + (I)*0x10000)
+#define NETXEN_NIU_GB_MII_MGMT_CONFIG(I) \
+ (NETXEN_CRB_NIU + 0x30020 + (I)*0x10000)
+#define NETXEN_NIU_GB_MII_MGMT_COMMAND(I) \
+ (NETXEN_CRB_NIU + 0x30024 + (I)*0x10000)
+#define NETXEN_NIU_GB_MII_MGMT_ADDR(I) \
+ (NETXEN_CRB_NIU + 0x30028 + (I)*0x10000)
+#define NETXEN_NIU_GB_MII_MGMT_CTRL(I) \
+ (NETXEN_CRB_NIU + 0x3002c + (I)*0x10000)
+#define NETXEN_NIU_GB_MII_MGMT_STATUS(I) \
+ (NETXEN_CRB_NIU + 0x30030 + (I)*0x10000)
+#define NETXEN_NIU_GB_MII_MGMT_INDICATE(I) \
+ (NETXEN_CRB_NIU + 0x30034 + (I)*0x10000)
+#define NETXEN_NIU_GB_INTERFACE_CTRL(I) \
+ (NETXEN_CRB_NIU + 0x30038 + (I)*0x10000)
+#define NETXEN_NIU_GB_INTERFACE_STATUS(I) \
+ (NETXEN_CRB_NIU + 0x3003c + (I)*0x10000)
+#define NETXEN_NIU_GB_STATION_ADDR_0(I) \
+ (NETXEN_CRB_NIU + 0x30040 + (I)*0x10000)
+#define NETXEN_NIU_GB_STATION_ADDR_1(I) \
+ (NETXEN_CRB_NIU + 0x30044 + (I)*0x10000)
+
+#define NETXEN_NIU_XGE_CONFIG_0 (NETXEN_CRB_NIU + 0x70000)
+#define NETXEN_NIU_XGE_CONFIG_1 (NETXEN_CRB_NIU + 0x70004)
+#define NETXEN_NIU_XGE_IPG (NETXEN_CRB_NIU + 0x70008)
+#define NETXEN_NIU_XGE_STATION_ADDR_0_HI (NETXEN_CRB_NIU + 0x7000c)
+#define NETXEN_NIU_XGE_STATION_ADDR_0_1 (NETXEN_CRB_NIU + 0x70010)
+#define NETXEN_NIU_XGE_STATION_ADDR_1_LO (NETXEN_CRB_NIU + 0x70014)
+#define NETXEN_NIU_XGE_STATUS (NETXEN_CRB_NIU + 0x70018)
+#define NETXEN_NIU_XGE_MAX_FRAME_SIZE (NETXEN_CRB_NIU + 0x7001c)
+#define NETXEN_NIU_XGE_PAUSE_FRAME_VALUE (NETXEN_CRB_NIU + 0x70020)
+#define NETXEN_NIU_XGE_TX_BYTE_CNT (NETXEN_CRB_NIU + 0x70024)
+#define NETXEN_NIU_XGE_TX_FRAME_CNT (NETXEN_CRB_NIU + 0x70028)
+#define NETXEN_NIU_XGE_RX_BYTE_CNT (NETXEN_CRB_NIU + 0x7002c)
+#define NETXEN_NIU_XGE_RX_FRAME_CNT (NETXEN_CRB_NIU + 0x70030)
+#define NETXEN_NIU_XGE_AGGR_ERROR_CNT (NETXEN_CRB_NIU + 0x70034)
+#define NETXEN_NIU_XGE_MULTICAST_FRAME_CNT (NETXEN_CRB_NIU + 0x70038)
+#define NETXEN_NIU_XGE_UNICAST_FRAME_CNT (NETXEN_CRB_NIU + 0x7003c)
+#define NETXEN_NIU_XGE_CRC_ERROR_CNT (NETXEN_CRB_NIU + 0x70040)
+#define NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR (NETXEN_CRB_NIU + 0x70044)
+#define NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR (NETXEN_CRB_NIU + 0x70048)
+#define NETXEN_NIU_XGE_LOCAL_ERROR_CNT (NETXEN_CRB_NIU + 0x7004c)
+#define NETXEN_NIU_XGE_REMOTE_ERROR_CNT (NETXEN_CRB_NIU + 0x70050)
+#define NETXEN_NIU_XGE_CONTROL_CHAR_CNT (NETXEN_CRB_NIU + 0x70054)
+#define NETXEN_NIU_XGE_PAUSE_FRAME_CNT (NETXEN_CRB_NIU + 0x70058)
+
+/* XG Link status */
+#define XG_LINK_UP 0x10
+#define XG_LINK_DOWN 0x20
+
+#define NETXEN_CAM_RAM_BASE (NETXEN_CRB_CAM + 0x02000)
+#define NETXEN_CAM_RAM(reg) (NETXEN_CAM_RAM_BASE + (reg))
+#define NETXEN_FW_VERSION_MAJOR (NETXEN_CAM_RAM(0x150))
+#define NETXEN_FW_VERSION_MINOR (NETXEN_CAM_RAM(0x154))
+#define NETXEN_FW_VERSION_SUB (NETXEN_CAM_RAM(0x158))
+#define NETXEN_ROM_LOCK_ID (NETXEN_CAM_RAM(0x100))
+
+#define PCIX_PS_OP_ADDR_LO (0x10000) /* Used for PS PCI Memory access */
+#define PCIX_PS_OP_ADDR_HI (0x10004) /* via CRB (PS side only) */
+
+#define PCIX_INT_VECTOR (0x10100)
+#define PCIX_INT_MASK (0x10104)
+
+#define PCIX_MN_WINDOW (0x10200)
+#define PCIX_MS_WINDOW (0x10204)
+#define PCIX_SN_WINDOW (0x10208)
+#define PCIX_CRB_WINDOW (0x10210)
+
+#define PCIX_TARGET_STATUS (0x10118)
+#define PCIX_TARGET_MASK (0x10128)
+
+#define PCIX_MSI_F0 (0x13000)
+
+#define PCIX_PS_MEM_SPACE (0x90000)
+
+#define NETXEN_PCIX_PH_REG(reg) (NETXEN_CRB_PCIE + (reg))
+#define NETXEN_PCIX_PS_REG(reg) (NETXEN_CRB_PCIX_MD + (reg))
+
+#define NETXEN_PCIE_REG(reg) (NETXEN_CRB_PCIE + (reg))
+
+#define PCIE_MAX_DMA_XFER_SIZE (0x1404c)
+
+#define PCIE_DCR 0x00d8
+
+#define PCIE_SEM2_LOCK (0x1c010) /* Flash lock */
+#define PCIE_SEM2_UNLOCK (0x1c014) /* Flash unlock */
+
+#define PCIE_TGT_SPLIT_CHICKEN (0x12080)
+
+#define PCIE_MAX_MASTER_SPLIT (0x14048)
+
+#endif /* __NETXEN_NIC_HDR_H_ */
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/netxen_nic_ioctl.h linux-2.6.18/drivers/net/netxen/netxen_nic_ioctl.h
--- linux-2.6.18.orig/drivers/net/netxen/netxen_nic_ioctl.h 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/netxen_nic_ioctl.h 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,75 @@
+/*
+ * 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
+ */
+
+#ifndef __NETXEN_NIC_IOCTL_H__
+#define __NETXEN_NIC_IOCTL_H__
+
+#include <linux/sockios.h>
+
+#define NETXEN_CMD_START SIOCDEVPRIVATE
+#define NETXEN_NIC_CMD (NETXEN_CMD_START + 1)
+#define NETXEN_NIC_NAME (NETXEN_CMD_START + 2)
+
+typedef enum {
+ netxen_nic_cmd_none = 0,
+ netxen_nic_cmd_pci_read,
+ netxen_nic_cmd_pci_write,
+ netxen_nic_cmd_pci_mem_read,
+ netxen_nic_cmd_pci_mem_write,
+ netxen_nic_cmd_pci_config_read,
+ netxen_nic_cmd_pci_config_write,
+ netxen_nic_cmd_get_stats,
+ netxen_nic_cmd_clear_stats,
+ netxen_nic_cmd_get_version
+} netxen_nic_ioctl_cmd_t;
+
+struct netxen_nic_ioctl_data {
+ u32 cmd;
+ u32 unused1;
+ u64 off;
+ u32 size;
+ u32 rv;
+ char u[64];
+ void *ptr;
+};
+
+struct netxen_statistics {
+ u64 rx_packets;
+ u64 tx_packets;
+ u64 rx_bytes;
+ u64 rx_errors;
+ u64 tx_bytes;
+ u64 tx_errors;
+ u64 rx_crc_errors;
+ u64 rx_short_length_error;
+ u64 rx_long_length_error;
+ u64 rx_mac_errors;
+};
+
+#endif /* __NETXEN_NIC_IOCTL_H_ */
^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH 2.6.18 9/9] NetXen: CRB reg definitions
2006-09-27 15:27 [PATCH 2.6.18 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
` (7 preceding siblings ...)
2006-09-27 15:53 ` [PATCH 2.6.18 8/9] NetXen: Header file and ioctl " Amit S. Kale
@ 2006-09-27 16:00 ` Amit S. Kale
8 siblings, 0 replies; 10+ messages in thread
From: Amit S. Kale @ 2006-09-27 16:00 UTC (permalink / raw)
To: netdev
Cc: Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx,
Randy Dunlap, jeff
diff -Narup -X linux-2.6.18.orig/Documentation/dontdiff linux-2.6.18.orig/drivers/net/netxen/netxen_nic_phan_reg.h linux-2.6.18/drivers/net/netxen/netxen_nic_phan_reg.h
--- linux-2.6.18.orig/drivers/net/netxen/netxen_nic_phan_reg.h 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18/drivers/net/netxen/netxen_nic_phan_reg.h 2006-09-25 05:04:07.000000000 -0700
@@ -0,0 +1,195 @@
+/*
+ * 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
+ */
+
+#ifndef __NIC_PHAN_REG_H_
+#define __NIC_PHAN_REG_H_
+
+/*
+ * CRB Registers or queue message done only at initialization time.
+ */
+
+/*
+ * The following 2 are the base adresses for the CRB registers and their
+ * offsets will be added to get addresses for the index addresses.
+ */
+#define NIC_CRB_BASE_PORT1 NETXEN_CAM_RAM(0x200)
+#define NIC_CRB_BASE_PORT2 NETXEN_CAM_RAM(0x250)
+
+#define NETXEN_NIC_REG(X) (NIC_CRB_BASE_PORT1+(X))
+
+/*
+ * CrbPortPhanCntrHi/Lo is used to pass the address of HostPhantomIndex address
+ * which can be read by the Phantom host to get producer/consumer indexes from
+ * Phantom/Casper. If it is not HOST_SHARED_MEMORY, then the following
+ * registers will be used for the addresses of the ring's shared memory
+ * on the Phantom.
+ */
+
+#define CRB_PHAN_CNTRL_LO_OFFSET NETXEN_NIC_REG(0x00)
+#define CRB_PHAN_CNTRL_HI_OFFSET NETXEN_NIC_REG(0x04)
+
+/* point to the indexes */
+#define CRB_CMD_PRODUCER_OFFSET NETXEN_NIC_REG(0x08)
+#define CRB_CMD_CONSUMER_OFFSET NETXEN_NIC_REG(0x0c)
+
+/* address of command descriptors in the host memory */
+#define CRB_HOST_CMD_ADDR_HI NETXEN_NIC_REG(0x30)
+#define CRB_HOST_CMD_ADDR_LO NETXEN_NIC_REG(0x34)
+
+/* The following 4 CRB registers are for doing performance coal */
+#define CRB_CMD_INTR_LOOP NETXEN_NIC_REG(0x38)
+#define CRB_CMD_DMA_LOOP NETXEN_NIC_REG(0x3c)
+#define CRB_RCV_INTR_LOOP NETXEN_NIC_REG(0x40)
+#define CRB_RCV_DMA_LOOP NETXEN_NIC_REG(0x44)
+
+/* Needed by the host to find out the state of Phantom's initialization */
+#define CRB_ENABLE_TX_INTR NETXEN_NIC_REG(0x4c)
+#define CRB_CMDPEG_STATE NETXEN_NIC_REG(0x50)
+#define CRB_CMDPEG_CMDRING NETXEN_NIC_REG(0x54)
+
+/* Interrupt coalescing parameters */
+#define CRB_GLOBAL_INT_COAL NETXEN_NIC_REG(0x80)
+#define CRB_INT_COAL_MODE NETXEN_NIC_REG(0x84)
+#define CRB_MAX_RCV_BUFS NETXEN_NIC_REG(0x88)
+#define CRB_TX_INT_THRESHOLD NETXEN_NIC_REG(0x8c)
+#define CRB_RX_PKT_TIMER NETXEN_NIC_REG(0x90)
+#define CRB_TX_PKT_TIMER NETXEN_NIC_REG(0x94)
+#define CRB_RX_PKT_CNT NETXEN_NIC_REG(0x98)
+#define CRB_RX_TMR_CNT NETXEN_NIC_REG(0x9c)
+
+/* Register for communicating XG link status */
+#define CRB_XG_STATE NETXEN_NIC_REG(0xa0)
+
+/* Debug registers for controlling NIC pkt gen agent */
+#define CRB_AGENT_GO NETXEN_NIC_REG(0xb0)
+#define CRB_AGENT_TX_SIZE NETXEN_NIC_REG(0xb4)
+#define CRB_AGENT_TX_TYPE NETXEN_NIC_REG(0xb8)
+#define CRB_AGENT_TX_ADDR NETXEN_NIC_REG(0xbc)
+#define CRB_AGENT_TX_MSS NETXEN_NIC_REG(0xc0)
+
+/* Debug registers for observing NIC performance */
+#define CRB_TX_STATE NETXEN_NIC_REG(0xd0)
+#define CRB_TX_COUNT NETXEN_NIC_REG(0xd4)
+#define CRB_RX_STATE NETXEN_NIC_REG(0xd8)
+
+/* CRB registers per Rcv Descriptor ring */
+struct netxen_rcv_desc_crb {
+ u32 crb_rcv_producer_offset __attribute__ ((aligned(512)));
+ u32 crb_rcv_consumer_offset;
+ u32 crb_globalrcv_ring;
+};
+
+/*
+ * CRB registers used by the receive peg logic. One instance of these
+ * needs to be instantiated per instance of the receive peg.
+ */
+
+struct netxen_recv_crb {
+ struct netxen_rcv_desc_crb rcv_desc_crb[NUM_RCV_DESC_RINGS];
+ u32 crb_rcvstatus_ring;
+ u32 crb_rcv_status_producer;
+ u32 crb_rcv_status_consumer;
+ u32 crb_rcvpeg_state;
+};
+
+#if defined(DEFINE_GLOBAL_RECV_CRB)
+struct netxen_recv_crb recv_crb_registers[] = {
+ /*
+ * Instance 0.
+ */
+ {
+ /* rcv_desc_crb: */
+ {
+ {
+ /* crb_rcv_producer_offset: */
+ NETXEN_NIC_REG(0x18),
+ /* crb_rcv_consumer_offset: */
+ NETXEN_NIC_REG(0x1c),
+ /* crb_gloablrcv_ring: */
+ NETXEN_NIC_REG(0x20),
+ },
+ /* Jumbo frames */
+ {
+ /* crb_rcv_producer_offset: */
+ NETXEN_NIC_REG(0x100),
+ /* crb_rcv_consumer_offset: */
+ NETXEN_NIC_REG(0x104),
+ /* crb_gloablrcv_ring: */
+ NETXEN_NIC_REG(0x108),
+ }
+ },
+ /* crb_rcvstatus_ring: */
+ NETXEN_NIC_REG(0x24),
+ /* crb_rcv_status_producer: */
+ NETXEN_NIC_REG(0x28),
+ /* crb_rcv_status_consumer: */
+ NETXEN_NIC_REG(0x2c),
+ /* crb_rcvpeg_state: */
+ NETXEN_NIC_REG(0x48),
+
+ },
+ /*
+ * Instance 1,
+ */
+ {
+ /* rcv_desc_crb: */
+ {
+ {
+ /* crb_rcv_producer_offset: */
+ NETXEN_NIC_REG(0x80),
+ /* crb_rcv_consumer_offset: */
+ NETXEN_NIC_REG(0x84),
+ /* crb_globalrcv_ring: */
+ NETXEN_NIC_REG(0x88),
+ },
+ /* Jumbo frames */
+ {
+ /* crb_rcv_producer_offset: */
+ NETXEN_NIC_REG(0x10C),
+ /* crb_rcv_consumer_offset: */
+ NETXEN_NIC_REG(0x110),
+ /* crb_globalrcv_ring: */
+ NETXEN_NIC_REG(0x114),
+ }
+ },
+ /* crb_rcvstatus_ring: */
+ NETXEN_NIC_REG(0x8c),
+ /* crb_rcv_status_producer: */
+ NETXEN_NIC_REG(0x90),
+ /* crb_rcv_status_consumer: */
+ NETXEN_NIC_REG(0x94),
+ /* crb_rcvpeg_state: */
+ NETXEN_NIC_REG(0x98),
+ },
+};
+#else
+extern struct netxen_recv_crb recv_crb_registers[];
+#endif /* DEFINE_GLOBAL_RECEIVE_CRB */
+
+#endif /* __NIC_PHAN_REG_H_ */
^ permalink raw reply [flat|nested] 10+ messages in thread