* [PATCH 2.6.18-rc7 1/9] NetXen: Makefile and driver main file
2006-09-15 18:33 [PATCH 2.6.18-rc7 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
@ 2006-09-15 18:39 ` Amit S. Kale
2006-09-19 15:18 ` Pradeep Dalvi
2006-09-15 18:40 ` [PATCH 2.6.18-rc7 2/9] NetXen: Hardware access routines Amit S. Kale
` (7 subsequent siblings)
8 siblings, 1 reply; 19+ messages in thread
From: Amit S. Kale @ 2006-09-15 18:39 UTC (permalink / raw)
To: netdev; +Cc: jeff, Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx
diff -Narup -X linux-2.6.18-rc7.orig/Documentation/dontdiff linux-2.6.18-rc7.orig/MAINTAINERS linux-2.6.18-rc7/MAINTAINERS
--- linux-2.6.18-rc7.orig/MAINTAINERS 2006-09-15 09:27:56.000000000 -0700
+++ linux-2.6.18-rc7/MAINTAINERS 2006-09-15 09:32:05.000000000 -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-rc7.orig/Documentation/dontdiff linux-2.6.18-rc7.orig/drivers/net/Kconfig linux-2.6.18-rc7/drivers/net/Kconfig
--- linux-2.6.18-rc7.orig/drivers/net/Kconfig 2006-09-15 09:27:55.000000000 -0700
+++ linux-2.6.18-rc7/drivers/net/Kconfig 2006-09-15 09:33:43.000000000 -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-rc7.orig/Documentation/dontdiff linux-2.6.18-rc7.orig/drivers/net/Makefile linux-2.6.18-rc7/drivers/net/Makefile
--- linux-2.6.18-rc7.orig/drivers/net/Makefile 2006-09-15 09:27:55.000000000 -0700
+++ linux-2.6.18-rc7/drivers/net/Makefile 2006-09-15 10:51:59.000000000 -0700
@@ -219,3 +219,4 @@ obj-$(CONFIG_NETCONSOLE) += netconsole.o
obj-$(CONFIG_FS_ENET) += fs_enet/
+obj-$(CONFIG_NETXEN_NIC) += netxen/
diff -Narup -X linux-2.6.18-rc7.orig/Documentation/dontdiff linux-2.6.18-rc7.orig/drivers/net/netxen/Makefile linux-2.6.18-rc7/drivers/net/netxen/Makefile
--- linux-2.6.18-rc7.orig/drivers/net/netxen/Makefile 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18-rc7/drivers/net/netxen/Makefile 2006-09-15 10:51:59.000000000 -0700
@@ -0,0 +1,35 @@
+# Copyright (C) 2003 - 2006 NetXen, Inc.
+# All rights reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
+#
+# The full GNU General Public License is included in this distribution
+# in the file called LICENSE.
+#
+# Contact Information:
+# info@netxen.com
+# NetXen,
+# 3965 Freedom Circle, Fourth floor,
+# Santa Clara, CA 95054
+#
+# Makefile for the NetXen NIC Driver
+#
+
+
+obj-$(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-rc7.orig/Documentation/dontdiff linux-2.6.18-rc7.orig/drivers/net/netxen/netxen_nic_main.c linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_main.c
--- linux-2.6.18-rc7.orig/drivers/net/netxen/netxen_nic_main.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_main.c 2006-09-15 10:51:59.000000000 -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_t *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_t) - 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_t));
+ /* 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_t));
+ }
+ 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_t) - NET_IP_ALIGN)) {
+ first_hdr_len =
+ sizeof(struct cmd_desc_type0_t) - 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] 19+ messages in thread* Re: [PATCH 2.6.18-rc7 1/9] NetXen: Makefile and driver main file
2006-09-15 18:39 ` [PATCH 2.6.18-rc7 1/9] NetXen: Makefile and driver main file Amit S. Kale
@ 2006-09-19 15:18 ` Pradeep Dalvi
0 siblings, 0 replies; 19+ messages in thread
From: Pradeep Dalvi @ 2006-09-19 15:18 UTC (permalink / raw)
To: Randy Dunlap
Cc: netdev, Jeff Garzik, Sanjeev Jorapur, Rob Mapes, unmproj,
brazilnut, wendyx, Amit S. Kale
Randy,
Thanks for feedback. We have incorporated all of the suggestions.
--
pradeep
diff -u linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_main.c linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_main.c
--- linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_main.c 2006-09-15 10:51:59.000000000 -0700
+++ linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_main.c 2006-09-19 07:51:20.000000000 -0700
@@ -561,9 +561,9 @@
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);
@@ -628,7 +628,7 @@
u32 producer = 0;
u32 saved_producer = 0;
- struct cmd_desc_type0_t *hwdesc;
+ struct cmd_desc_type0 *hwdesc;
int k;
struct netxen_cmd_buffer *pbuf = NULL;
unsigned int tries = 0;
@@ -691,7 +691,7 @@
if (((skb->nh.iph)->ihl * sizeof(u32)) +
((skb->h.th)->doff * sizeof(u32)) +
sizeof(struct ethhdr) >
- (sizeof(struct cmd_desc_type0_t) - NET_IP_ALIGN)) {
+ (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) {
no_of_desc++;
}
}
@@ -733,7 +733,7 @@
producer = local_producer;
saved_producer = producer;
hwdesc = &hw->cmd_desc_head[producer];
- memset(hwdesc, 0, sizeof(struct cmd_desc_type0_t));
+ 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) {
@@ -773,7 +773,7 @@
producer = get_next_index(producer,
adapter->max_tx_desc_count);
hwdesc = &hw->cmd_desc_head[producer];
- memset(hwdesc, 0, sizeof(struct cmd_desc_type0_t));
+ memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
}
frag = &skb_shinfo(skb)->frags[i - 1];
len = frag->size;
@@ -819,9 +819,9 @@
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_t) - NET_IP_ALIGN)) {
+ if (hdr_len > (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) {
first_hdr_len =
- sizeof(struct cmd_desc_type0_t) - NET_IP_ALIGN;
+ sizeof(struct cmd_desc_type0) - NET_IP_ALIGN;
more_hdr = 1;
} else {
first_hdr_len = hdr_len;
@@ -964,11 +964,11 @@
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;
^ permalink raw reply [flat|nested] 19+ messages in thread
* [PATCH 2.6.18-rc7 2/9] NetXen: Hardware access routines
2006-09-15 18:33 [PATCH 2.6.18-rc7 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
2006-09-15 18:39 ` [PATCH 2.6.18-rc7 1/9] NetXen: Makefile and driver main file Amit S. Kale
@ 2006-09-15 18:40 ` Amit S. Kale
2006-09-19 15:20 ` Pradeep Dalvi
2006-09-15 18:44 ` [PATCH 2.6.18-rc7 3/9] NetXen: hw initilization routines Amit S. Kale
` (6 subsequent siblings)
8 siblings, 1 reply; 19+ messages in thread
From: Amit S. Kale @ 2006-09-15 18:40 UTC (permalink / raw)
To: netdev; +Cc: jeff, Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx
diff -Narup -X linux-2.6.18-rc7.orig/Documentation/dontdiff linux-2.6.18-rc7.orig/drivers/net/netxen/netxen_nic_hw.c linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_hw.c
--- linux-2.6.18-rc7.orig/drivers/net/netxen/netxen_nic_hw.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_hw.c 2006-09-15 10:51:59.000000000 -0700
@@ -0,0 +1,947 @@
+/*
+ * 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_MTU_MASK 0xFFFF0000
+#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_mode)
+ adapter->ops->set_promisc_mode(adapter,
+ port->portnum,
+ NETXEN_NIU_PROMISCOUS_MODE);
+ } else {
+ if (adapter->ops->unset_promisc_mode)
+ adapter->ops->unset_promisc_mode(adapter,
+ port->portnum,
+ NETXEN_NIU_NON_PROMISCOUS_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 new_mtu)
+{
+ struct netxen_port *port = netdev_priv(netdev);
+ int max_mtu = new_mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE;
+
+ if (max_mtu & NETXEN_MTU_MASK)
+ return -EINVAL;
+
+ if (max_mtu > NETXEN_MAX_MTU) {
+ printk(KERN_ERR
+ "%s: %s MTU > NETXEN_MAX_MTU is not supported\n",
+ netxen_nic_driver_name, netdev->name);
+ return -EINVAL;
+ }
+
+ if (max_mtu > NETXEN_MIN_MTU) {
+ printk(KERN_ERR
+ "%s: %s MTU < NETXEN_MIN_MTU is not supported\n",
+ netxen_nic_driver_name, netdev->name);
+ return -EINVAL;
+ }
+
+ if (port->adapter->ops->set_mtu)
+ port->adapter->ops->set_mtu(port, new_mtu);
+ netdev->mtu = new_mtu;
+
+ return 0;
+}
+
+/*
+ * check if the firmware has been downloaded and ready to run and
+ * setup the address for the descriptors in the adapter
+ */
+int netxen_nic_hw_resources(struct netxen_adapter *adapter)
+{
+ struct netxen_hardware_context *hw = &adapter->ahw;
+ int i;
+ u32 state = 0;
+ void *addr;
+ int loops = 0, err = 0;
+ int ctx, ring;
+ u32 card_cmdring = 0;
+ struct netxen_rcv_desc_crb *rcv_desc_crb = NULL;
+ struct netxen_recv_context *recv_ctx;
+ struct netxen_rcv_desc_ctx *rcv_desc;
+ struct cmd_desc_type0_t *pcmd;
+
+ DPRINTK(INFO, "pci_base: %lx\n", adapter->ahw.pci_base);
+ DPRINTK(INFO, "crb_base: %lx %lx", NETXEN_PCI_CRBSPACE,
+ adapter->ahw.pci_base + NETXEN_PCI_CRBSPACE);
+ DPRINTK(INFO, "cam base: %lx %lx", NETXEN_CRB_CAM,
+ adapter->ahw.pci_base + NETXEN_CRB_CAM);
+ DPRINTK(INFO, "cam RAM: %lx %lx", NETXEN_CAM_RAM_BASE,
+ adapter->ahw.pci_base + NETXEN_CAM_RAM_BASE);
+ DPRINTK(INFO, "NIC base:%lx %lx\n", NIC_CRB_BASE_PORT1,
+ adapter->ahw.pci_base + NIC_CRB_BASE_PORT1);
+
+ /* Window 1 call */
+ 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_t) *
+ 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_t *)addr;
+ for (i = 1; i < adapter->max_tx_desc_count; i++) {
+ pcmd->netxen_next =
+ (card_cmdring + i * sizeof(struct cmd_desc_type0_t));
+ pcmd++;
+ }
+ /* fill in last link (point to first) */
+ pcmd->netxen_next = card_cmdring;
+
+ hw->cmd_desc_head = (struct cmd_desc_type0_t *)addr;
+
+ for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+ recv_ctx = &adapter->recv_ctx[ctx];
+
+ for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+ rcv_desc = &recv_ctx->rcv_desc[ring];
+ addr = pci_alloc_consistent(adapter->ahw.pdev,
+ RCV_DESC_RINGSIZE,
+ &rcv_desc->phys_addr);
+ if (addr == NULL) {
+ DPRINTK(ERR, "bad return from "
+ "pci_alloc_consistent\n");
+ netxen_free_hw_resources(adapter);
+ err = -ENOMEM;
+ return err;
+ }
+ rcv_desc->desc_head = (struct rcv_desc_t *)addr;
+ }
+
+ addr = pci_alloc_consistent(adapter->ahw.pdev,
+ STATUS_DESC_RINGSIZE,
+ &recv_ctx->
+ rcv_status_desc_phys_addr);
+ if (addr == NULL) {
+ DPRINTK(ERR, "bad return from"
+ " pci_alloc_consistent\n");
+ netxen_free_hw_resources(adapter);
+ err = -ENOMEM;
+ return err;
+ }
+ recv_ctx->rcv_status_desc_head = (struct status_desc_t *)addr;
+ for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+ rcv_desc = &recv_ctx->rcv_desc[ring];
+ rcv_desc_crb =
+ &recv_crb_registers[ctx].rcv_desc_crb[ring];
+ DPRINTK(INFO, "ring #%d crb global ring reg 0x%x\n",
+ ring, rcv_desc_crb->crb_globalrcv_ring);
+ /* Window = 1 */
+ 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_t) *
+ adapter->max_tx_desc_count,
+ adapter->ahw.cmd_desc_head,
+ adapter->ahw.cmd_desc_phys_addr);
+ adapter->ahw.cmd_desc_head = NULL;
+ }
+
+ for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+ recv_ctx = &adapter->recv_ctx[ctx];
+ for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
+ rcv_desc = &recv_ctx->rcv_desc[ring];
+
+ if (rcv_desc->desc_head != NULL) {
+ pci_free_consistent(adapter->ahw.pdev,
+ RCV_DESC_RINGSIZE,
+ rcv_desc->desc_head,
+ rcv_desc->phys_addr);
+ rcv_desc->desc_head = NULL;
+ }
+ }
+
+ if (recv_ctx->rcv_status_desc_head != NULL) {
+ pci_free_consistent(adapter->ahw.pdev,
+ STATUS_DESC_RINGSIZE,
+ recv_ctx->rcv_status_desc_head,
+ recv_ctx->
+ rcv_status_desc_phys_addr);
+ recv_ctx->rcv_status_desc_head = NULL;
+ }
+ }
+}
+
+void netxen_tso_check(struct netxen_adapter *adapter,
+ struct cmd_desc_type0_t *desc, struct sk_buff *skb)
+{
+ if (desc->mss) {
+ desc->total_hdr_length = sizeof(struct ethhdr) +
+ ((skb->nh.iph)->ihl * sizeof(u32)) +
+ ((skb->h.th)->doff * sizeof(u32));
+ desc->opcode = TX_TCP_LSO;
+ } else if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->nh.iph->protocol == IPPROTO_TCP) {
+ desc->opcode = TX_TCP_PKT;
+ } else if (skb->nh.iph->protocol == IPPROTO_UDP) {
+ desc->opcode = TX_UDP_PKT;
+ } else {
+ return;
+ }
+ }
+ 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; /* unknown speed */
+ 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; /* unknown mode */
+ 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] 19+ messages in thread* Re: [PATCH 2.6.18-rc7 2/9] NetXen: Hardware access routines
2006-09-15 18:40 ` [PATCH 2.6.18-rc7 2/9] NetXen: Hardware access routines Amit S. Kale
@ 2006-09-19 15:20 ` Pradeep Dalvi
0 siblings, 0 replies; 19+ messages in thread
From: Pradeep Dalvi @ 2006-09-19 15:20 UTC (permalink / raw)
To: netdev
Cc: Jeff Garzik, Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut,
wendyx, Amit S. Kale, Randy Dunlap
diff -u linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_hw.c linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_hw.c
--- linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_hw.c 2006-09-15 10:51:59.000000000 -0700
+++ linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_hw.c 2006-09-19 07:51:20.000000000 -0700
@@ -44,7 +44,6 @@
#define NETXEN_PHANTOM_MEM_BASE (NETXEN_FLASH_BASE)
#define NETXEN_MAX_MTU 8000
#define NETXEN_MIN_MTU 64
-#define NETXEN_MTU_MASK 0xFFFF0000
#define NETXEN_ETH_FCS_SIZE 4
#define NETXEN_ENET_HEADER_SIZE 14
#define NETXEN_WINDOW_ONE 0x2000000 /* CRB Window: bit 25 of CRB address */
@@ -77,9 +76,9 @@
return 0;
}
-/**
+/*
* netxen_nic_set_multi - Multicast
- **/
+ */
void netxen_nic_set_multi(struct net_device *netdev)
{
struct netxen_port *port = netdev_priv(netdev);
@@ -89,15 +88,15 @@
mc_ptr = netdev->mc_list;
if (netdev->flags & IFF_PROMISC) {
- if (adapter->ops->set_promisc_mode)
- adapter->ops->set_promisc_mode(adapter,
- port->portnum,
- NETXEN_NIU_PROMISCOUS_MODE);
+ if (adapter->ops->set_promisc)
+ adapter->ops->set_promisc(adapter,
+ port->portnum,
+ NETXEN_NIU_PROMISC_MODE);
} else {
- if (adapter->ops->unset_promisc_mode)
- adapter->ops->unset_promisc_mode(adapter,
- port->portnum,
- NETXEN_NIU_NON_PROMISCOUS_MODE);
+ 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);
@@ -136,31 +135,21 @@
* netxen_nic_change_mtu - Change the Maximum Transfer Unit
* @returns 0 on success, negative on failure
*/
-int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu)
+int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
{
struct netxen_port *port = netdev_priv(netdev);
- int max_mtu = new_mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE;
-
- if (max_mtu & NETXEN_MTU_MASK)
- return -EINVAL;
-
- if (max_mtu > NETXEN_MAX_MTU) {
- printk(KERN_ERR
- "%s: %s MTU > NETXEN_MAX_MTU is not supported\n",
- netxen_nic_driver_name, netdev->name);
- return -EINVAL;
- }
+ struct netxen_adapter *adapter = port->adapter;
+ int eff_mtu = mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE;
- if (max_mtu > NETXEN_MIN_MTU) {
- printk(KERN_ERR
- "%s: %s MTU < NETXEN_MIN_MTU is not supported\n",
- netxen_nic_driver_name, netdev->name);
+ 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 (port->adapter->ops->set_mtu)
- port->adapter->ops->set_mtu(port, new_mtu);
- netdev->mtu = new_mtu;
+ if (adapter->ops->set_mtu)
+ adapter->ops->set_mtu(port, mtu);
+ netdev->mtu = mtu;
return 0;
}
@@ -181,7 +170,7 @@
struct netxen_rcv_desc_crb *rcv_desc_crb = NULL;
struct netxen_recv_context *recv_ctx;
struct netxen_rcv_desc_ctx *rcv_desc;
- struct cmd_desc_type0_t *pcmd;
+ struct cmd_desc_type0 *pcmd;
DPRINTK(INFO, "pci_base: %lx\n", adapter->ahw.pci_base);
DPRINTK(INFO, "crb_base: %lx %lx", NETXEN_PCI_CRBSPACE,
@@ -226,7 +215,7 @@
DPRINTK(INFO, "Recieve Peg ready too. starting stuff\n");
addr = pci_alloc_consistent(adapter->ahw.pdev,
- sizeof(struct cmd_desc_type0_t) *
+ sizeof(struct cmd_desc_type0) *
adapter->max_tx_desc_count,
&hw->cmd_desc_phys_addr);
if (addr == NULL) {
@@ -236,16 +225,16 @@
}
/* we need to prelink all of the cmd descriptors */
- pcmd = (struct cmd_desc_type0_t *)addr;
+ 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_t));
+ (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_t *)addr;
+ hw->cmd_desc_head = (struct cmd_desc_type0 *)addr;
for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
recv_ctx = &adapter->recv_ctx[ctx];
@@ -262,7 +251,7 @@
err = -ENOMEM;
return err;
}
- rcv_desc->desc_head = (struct rcv_desc_t *)addr;
+ rcv_desc->desc_head = (struct rcv_desc *)addr;
}
addr = pci_alloc_consistent(adapter->ahw.pdev,
@@ -276,7 +265,7 @@
err = -ENOMEM;
return err;
}
- recv_ctx->rcv_status_desc_head = (struct status_desc_t *)addr;
+ 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 =
@@ -322,7 +311,7 @@
if (adapter->ahw.cmd_desc_head != NULL) {
pci_free_consistent(adapter->ahw.pdev,
- sizeof(struct cmd_desc_type0_t) *
+ sizeof(struct cmd_desc_type0) *
adapter->max_tx_desc_count,
adapter->ahw.cmd_desc_head,
adapter->ahw.cmd_desc_phys_addr);
@@ -355,7 +344,7 @@
}
void netxen_tso_check(struct netxen_adapter *adapter,
- struct cmd_desc_type0_t *desc, struct sk_buff *skb)
+ struct cmd_desc_type0 *desc, struct sk_buff *skb)
{
if (desc->mss) {
desc->total_hdr_length = sizeof(struct ethhdr) +
@@ -838,9 +827,10 @@
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) {
+ && 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:
@@ -853,7 +843,7 @@
port->link_speed = SPEED_1000;
break;
default:
- port->link_speed = -1; /* unknown speed */
+ port->link_speed = -1;
break;
}
switch (netxen_get_phy_duplex(status)) {
@@ -864,15 +854,14 @@
port->link_duplex = DUPLEX_FULL;
break;
default:
- port->link_duplex = -1; /* unknown mode */
+ 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)
+ && 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;
^ permalink raw reply [flat|nested] 19+ messages in thread
* [PATCH 2.6.18-rc7 3/9] NetXen: hw initilization routines
2006-09-15 18:33 [PATCH 2.6.18-rc7 0/9] NetXen: 1G/10G Ethernet Driver Amit S. Kale
2006-09-15 18:39 ` [PATCH 2.6.18-rc7 1/9] NetXen: Makefile and driver main file Amit S. Kale
2006-09-15 18:40 ` [PATCH 2.6.18-rc7 2/9] NetXen: Hardware access routines Amit S. Kale
@ 2006-09-15 18:44 ` Amit S. Kale
2006-09-19 15:23 ` Pradeep Dalvi
2006-09-15 18:45 ` [PATCH 2.6.18-rc7 4/9] NetXen: intr routines and niu handling Amit S. Kale
` (5 subsequent siblings)
8 siblings, 1 reply; 19+ messages in thread
From: Amit S. Kale @ 2006-09-15 18:44 UTC (permalink / raw)
To: netdev; +Cc: jeff, Sanjeev Jorapur, Rob Mapes, unmproj, brazilnut, wendyx
diff -Narup -X linux-2.6.18-rc7.orig/Documentation/dontdiff linux-2.6.18-rc7.orig/drivers/net/netxen/netxen_nic_init.c linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_init.c
--- linux-2.6.18-rc7.orig/drivers/net/netxen/netxen_nic_init.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.18-rc7/drivers/net/netxen/netxen_nic_init.c 2006-09-15 10:51:59.000000000 -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_mode = netxen_niu_set_promiscuous_mode;
+ ops->unset_promisc_mode = 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_mode = netxen_niu_xg_set_promiscuous_mode;
+ ops->unset_promisc_mode = 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)
+