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-rw-r--r--libertas_uap/uap_proc.c296
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diff --git a/libertas_uap/uap_proc.c b/libertas_uap/uap_proc.c
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+/** @file uap_proc.c
+ * @brief This file contains functions for proc file.
+ *
+ * Copyright (C) 2008-2009, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License"). You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available along with the File in the gpl.txt file or by writing to
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 or on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
+ * this warranty disclaimer.
+ *
+ */
+#ifdef CONFIG_PROC_FS
+#include "uap_headers.h"
+
+/** /proc directory root */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#define PROC_DIR NULL
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+#define PROC_DIR &proc_root
+#else
+#define PROC_DIR proc_net
+#endif
+
+/********************************************************
+ Local Variables
+********************************************************/
+
+/********************************************************
+ Global Variables
+********************************************************/
+
+/********************************************************
+ Local Functions
+********************************************************/
+
+/**
+ * @brief proc read function
+ *
+ * @param page pointer to buffer
+ * @param start read data starting position
+ * @param offset offset
+ * @param count counter
+ * @param eof end of file flag
+ * @param data data to output
+ * @return number of output data
+ */
+static int
+uap_proc_read(char *page, char **start, off_t offset,
+ int count, int *eof, void *data)
+{
+ int i;
+ char *p = page;
+ struct net_device *netdev = data;
+ struct netdev_hw_addr *ha;
+ char fmt[64];
+ uap_private *priv = (uap_private *) netdev_priv(netdev);
+
+ if (offset != 0) {
+ *eof = 1;
+ goto exit;
+ }
+
+ strcpy(fmt, DRIVER_VERSION);
+
+ p += sprintf(p, "driver_name = " "\"uap\"\n");
+ p += sprintf(p, "driver_version = %s-(FP%s)", fmt, FPNUM);
+ p += sprintf(p, "\nInterfaceName=\"%s\"\n", netdev->name);
+ p += sprintf(p, "State=\"%s\"\n",
+ ((priv->MediaConnected ==
+ FALSE) ? "Disconnected" : "Connected"));
+ p += sprintf(p, "MACAddress=\"%02x:%02x:%02x:%02x:%02x:%02x\"\n",
+ netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2],
+ netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]);
+ i = 0;
+ netdev_for_each_mc_addr(ha, netdev) {
+ ++i;
+ }
+ p += sprintf(p, "MCCount=\"%d\"\n", i);
+
+ /*
+ * Put out the multicast list
+ */
+ i = 0;
+ netdev_for_each_mc_addr(ha, netdev) {
+ p += sprintf(p,
+ "MCAddr[%d]=\"%02x:%02x:%02x:%02x:%02x:%02x\"\n",
+ i++,
+ ha->addr[0], ha->addr[1],
+ ha->addr[2], ha->addr[3],
+ ha->addr[4], ha->addr[5]);
+ }
+
+ p += sprintf(p, "num_tx_bytes = %lu\n", priv->stats.tx_bytes);
+ p += sprintf(p, "num_rx_bytes = %lu\n", priv->stats.rx_bytes);
+ p += sprintf(p, "num_tx_pkts = %lu\n", priv->stats.tx_packets);
+ p += sprintf(p, "num_rx_pkts = %lu\n", priv->stats.rx_packets);
+ p += sprintf(p, "num_tx_pkts_dropped = %lu\n", priv->stats.tx_dropped);
+ p += sprintf(p, "num_rx_pkts_dropped = %lu\n", priv->stats.rx_dropped);
+ p += sprintf(p, "num_tx_pkts_err = %lu\n", priv->stats.tx_errors);
+ p += sprintf(p, "num_rx_pkts_err = %lu\n", priv->stats.rx_errors);
+ p += sprintf(p, "num_tx_timeout = %u\n", priv->num_tx_timeout);
+ p += sprintf(p, "carrier %s\n",
+ ((netif_carrier_ok(priv->uap_dev.netdev)) ? "on" : "off"));
+ p += sprintf(p, "tx queue %s\n",
+ ((netif_queue_stopped(priv->uap_dev.netdev)) ? "stopped" :
+ "started"));
+
+ exit:
+ return (p - page);
+}
+
+/**
+ * @brief hwstatus proc write function
+ *
+ * @param f file pointer
+ * @param buf pointer to data buffer
+ * @param cnt data number to write
+ * @param data data to write
+ * @return number of data
+ */
+static int
+uap_hwstatus_write(struct file *f, const char *buf, unsigned long cnt,
+ void *data)
+{
+ struct net_device *netdev = data;
+ uap_private *priv = (uap_private *) netdev_priv(netdev);
+ char databuf[10];
+ int hwstatus;
+ MODULE_GET;
+ if (cnt > 10) {
+ MODULE_PUT;
+ return cnt;
+ }
+ if (copy_from_user(databuf, buf, cnt)) {
+ MODULE_PUT;
+ return 0;
+ }
+ hwstatus = string_to_number(databuf);
+ switch (hwstatus) {
+ case HWReset:
+ PRINTM(MSG, "reset hw\n");
+ uap_soft_reset(priv);
+ priv->adapter->HardwareStatus = HWReset;
+ break;
+ default:
+ break;
+ }
+ MODULE_PUT;
+ return cnt;
+}
+
+/**
+ * @brief hwstatus proc read function
+ *
+ * @param page pointer to buffer
+ * @param s read data starting position
+ * @param off offset
+ * @param cnt counter
+ * @param eof end of file flag
+ * @param data data to output
+ * @return number of output data
+ */
+static int
+uap_hwstatus_read(char *page, char **s, off_t off, int cnt, int *eof,
+ void *data)
+{
+ char *p = page;
+ struct net_device *netdev = data;
+ uap_private *priv = (uap_private *) netdev_priv(netdev);
+ MODULE_GET;
+ p += sprintf(p, "%d\n", priv->adapter->HardwareStatus);
+ MODULE_PUT;
+ return p - page;
+}
+
+/********************************************************
+ Global Functions
+********************************************************/
+/**
+ * @brief create uap proc file
+ *
+ * @param priv pointer uap_private
+ * @param dev pointer net_device
+ * @return N/A
+ */
+void
+uap_proc_entry(uap_private * priv, struct net_device *dev)
+{
+ struct proc_dir_entry *r = PROC_DIR;
+
+ PRINTM(INFO, "Creating Proc Interface\n");
+ /* Check if uap directory already exists */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
+ for (r = r->subdir; r; r = r->next) {
+ if (r->namelen && !strcmp("uap", r->name)) {
+ /* Directory exists */
+ PRINTM(WARN, "proc directory already exists!\n");
+ priv->proc_uap = r;
+ break;
+ }
+ }
+#endif
+ if (!priv->proc_uap) {
+ priv->proc_uap = proc_mkdir("uap", PROC_DIR);
+ if (!priv->proc_uap)
+ return;
+ else
+ atomic_set(&priv->proc_uap->count, 1);
+ } else {
+ atomic_inc(&priv->proc_uap->count);
+ }
+ priv->proc_entry = proc_mkdir(dev->name, priv->proc_uap);
+
+ if (priv->proc_entry) {
+ r = create_proc_read_entry("info", 0, priv->proc_entry, uap_proc_read,
+ dev);
+ r = create_proc_entry("hwstatus", 0644, priv->proc_entry);
+ if (r) {
+ r->data = dev;
+ r->read_proc = uap_hwstatus_read;
+ r->write_proc = uap_hwstatus_write;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
+ r->owner = THIS_MODULE;
+#endif
+ } else
+ PRINTM(MSG, "Fail to create proc hwstatus\n");
+ }
+}
+
+/**
+ * @brief remove proc file
+ *
+ * @param priv pointer uap_private
+ * @return N/A
+ */
+void
+uap_proc_remove(uap_private * priv)
+{
+ if (priv->proc_uap) {
+ if (priv->proc_entry) {
+ remove_proc_entry("info", priv->proc_entry);
+ remove_proc_entry("hwstatus", priv->proc_entry);
+ }
+ remove_proc_entry(priv->uap_dev.netdev->name, priv->proc_uap);
+ atomic_dec(&priv->proc_uap->count);
+ if (atomic_read(&(priv->proc_uap->count)) == 0)
+ remove_proc_entry("uap", PROC_DIR);
+ }
+}
+
+/**
+ * @brief convert string to number
+ *
+ * @param s pointer to numbered string
+ * @return converted number from string s
+ */
+int
+string_to_number(char *s)
+{
+ int r = 0;
+ int base = 0;
+ int pn = 1;
+
+ if (strncmp(s, "-", 1) == 0) {
+ pn = -1;
+ s++;
+ }
+ if ((strncmp(s, "0x", 2) == 0) || (strncmp(s, "0X", 2) == 0)) {
+ base = 16;
+ s += 2;
+ } else
+ base = 10;
+
+ for (s = s; *s != 0; s++) {
+ if ((*s >= '0') && (*s <= '9'))
+ r = (r * base) + (*s - '0');
+ else if ((*s >= 'A') && (*s <= 'F'))
+ r = (r * base) + (*s - 'A' + 10);
+ else if ((*s >= 'a') && (*s <= 'f'))
+ r = (r * base) + (*s - 'a' + 10);
+ else
+ break;
+ }
+
+ return (r * pn);
+}
+
+#endif
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