--- /dev/null
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef CONFIG_WIFI_CONTROL_FUNC
+#include <linux/platform_device.h>
+#endif
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/kthread.h>
+#include <linux/slab.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/random.h>
+#include <linux/spinlock.h>
+#include <linux/ethtool.h>
+#include <linux/fcntl.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+#include <bcmdefs.h>
+#include <osl.h>
+#include <bcmutils.h>
+#include <bcmendian.h>
+
+#include <proto/ethernet.h>
+#include <dngl_stats.h>
+#include <dhd.h>
+#include <dhd_bus.h>
+#include <dhd_proto.h>
+#include <dhd_dbg.h>
+
+#include <wl_cfg80211.h>
+
+#define EPI_VERSION_STR "4.218.248.5"
+
+#if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
+#include <linux/wifi_tiwlan.h>
+
+struct semaphore wifi_control_sem;
+
+struct dhd_bus *g_bus;
+
+static struct wifi_platform_data *wifi_control_data;
+static struct resource *wifi_irqres;
+
+int wifi_get_irq_number(unsigned long *irq_flags_ptr)
+{
+ if (wifi_irqres) {
+ *irq_flags_ptr = wifi_irqres->flags & IRQF_TRIGGER_MASK;
+ return (int)wifi_irqres->start;
+ }
+#ifdef CUSTOM_OOB_GPIO_NUM
+ return CUSTOM_OOB_GPIO_NUM;
+#else
+ return -1;
+#endif
+}
+
+int wifi_set_carddetect(int on)
+{
+ printk(KERN_ERR "%s = %d\n", __func__, on);
+ if (wifi_control_data && wifi_control_data->set_carddetect)
+ wifi_control_data->set_carddetect(on);
+ return 0;
+}
+
+int wifi_set_power(int on, unsigned long msec)
+{
+ printk(KERN_ERR "%s = %d\n", __func__, on);
+ if (wifi_control_data && wifi_control_data->set_power)
+ wifi_control_data->set_power(on);
+ if (msec)
+ mdelay(msec);
+ return 0;
+}
+
+int wifi_set_reset(int on, unsigned long msec)
+{
+ printk(KERN_ERR "%s = %d\n", __func__, on);
+ if (wifi_control_data && wifi_control_data->set_reset)
+ wifi_control_data->set_reset(on);
+ if (msec)
+ mdelay(msec);
+ return 0;
+}
+
+static int wifi_probe(struct platform_device *pdev)
+{
+ struct wifi_platform_data *wifi_ctrl =
+ (struct wifi_platform_data *)(pdev->dev.platform_data);
+
+ printk(KERN_ERR "## %s\n", __func__);
+ wifi_irqres =
+ platform_get_resource_byname(pdev, IORESOURCE_IRQ,
+ "bcm4329_wlan_irq");
+ wifi_control_data = wifi_ctrl;
+
+ wifi_set_power(1, 0); /* Power On */
+ wifi_set_carddetect(1); /* CardDetect (0->1) */
+
+ up(&wifi_control_sem);
+ return 0;
+}
+
+static int wifi_remove(struct platform_device *pdev)
+{
+ struct wifi_platform_data *wifi_ctrl =
+ (struct wifi_platform_data *)(pdev->dev.platform_data);
+
+ printk(KERN_ERR "## %s\n", __func__);
+ wifi_control_data = wifi_ctrl;
+
+ wifi_set_carddetect(0); /* CardDetect (1->0) */
+ wifi_set_power(0, 0); /* Power Off */
+
+ up(&wifi_control_sem);
+ return 0;
+}
+
+static int wifi_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ DHD_TRACE(("##> %s\n", __func__));
+ return 0;
+}
+
+static int wifi_resume(struct platform_device *pdev)
+{
+ DHD_TRACE(("##> %s\n", __func__));
+ return 0;
+}
+
+static struct platform_driver wifi_device = {
+ .probe = wifi_probe,
+ .remove = wifi_remove,
+ .suspend = wifi_suspend,
+ .resume = wifi_resume,
+ .driver = {
+ .name = "bcm4329_wlan",
+ }
+};
+
+int wifi_add_dev(void)
+{
+ DHD_TRACE(("## Calling platform_driver_register\n"));
+ return platform_driver_register(&wifi_device);
+}
+
+void wifi_del_dev(void)
+{
+ DHD_TRACE(("## Unregister platform_driver_register\n"));
+ platform_driver_unregister(&wifi_device);
+}
+#endif /* defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */
+
+#if defined(CONFIG_PM_SLEEP)
+#include <linux/suspend.h>
+volatile bool dhd_mmc_suspend = false;
+DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait);
+#endif /* defined(CONFIG_PM_SLEEP) */
+
+#if defined(OOB_INTR_ONLY)
+extern void dhd_enable_oob_intr(struct dhd_bus *bus, bool enable);
+#endif /* defined(OOB_INTR_ONLY) */
+
+MODULE_AUTHOR("Broadcom Corporation");
+MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver.");
+MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards");
+MODULE_LICENSE("Dual BSD/GPL");
+
+#define DRV_MODULE_NAME "brcmfmac"
+
+/* Linux wireless extension support */
+#if defined(CONFIG_WIRELESS_EXT)
+#include <wl_iw.h>
+extern wl_iw_extra_params_t g_wl_iw_params;
+#endif /* defined(CONFIG_WIRELESS_EXT) */
+
+#if defined(CONFIG_HAS_EARLYSUSPEND)
+#include <linux/earlysuspend.h>
+extern int dhdcdc_set_ioctl(dhd_pub_t *dhd, int ifidx, uint cmd, void *buf,
+ uint len);
+#endif /* defined(CONFIG_HAS_EARLYSUSPEND) */
+
+#ifdef PKT_FILTER_SUPPORT
+extern void dhd_pktfilter_offload_set(dhd_pub_t *dhd, char *arg);
+extern void dhd_pktfilter_offload_enable(dhd_pub_t *dhd, char *arg, int enable,
+ int master_mode);
+#endif
+
+/* Interface control information */
+typedef struct dhd_if {
+ struct dhd_info *info; /* back pointer to dhd_info */
+ /* OS/stack specifics */
+ struct net_device *net;
+ struct net_device_stats stats;
+ int idx; /* iface idx in dongle */
+ int state; /* interface state */
+ uint subunit; /* subunit */
+ u8 mac_addr[ETH_ALEN]; /* assigned MAC address */
+ bool attached; /* Delayed attachment when unset */
+ bool txflowcontrol; /* Per interface flow control indicator */
+ char name[IFNAMSIZ]; /* linux interface name */
+} dhd_if_t;
+
+/* Local private structure (extension of pub) */
+typedef struct dhd_info {
+#if defined(CONFIG_WIRELESS_EXT)
+ wl_iw_t iw; /* wireless extensions state (must be first) */
+#endif /* defined(CONFIG_WIRELESS_EXT) */
+
+ dhd_pub_t pub;
+
+ /* OS/stack specifics */
+ dhd_if_t *iflist[DHD_MAX_IFS];
+
+ struct semaphore proto_sem;
+ wait_queue_head_t ioctl_resp_wait;
+ struct timer_list timer;
+ bool wd_timer_valid;
+ struct tasklet_struct tasklet;
+ spinlock_t sdlock;
+ spinlock_t txqlock;
+ /* Thread based operation */
+ bool threads_only;
+ struct semaphore sdsem;
+ struct task_struct *watchdog_tsk;
+ struct semaphore watchdog_sem;
+ struct task_struct *dpc_tsk;
+ struct semaphore dpc_sem;
+
+ /* Thread to issue ioctl for multicast */
+ struct task_struct *sysioc_tsk;
+ struct semaphore sysioc_sem;
+ bool set_multicast;
+ bool set_macaddress;
+ struct ether_addr macvalue;
+ wait_queue_head_t ctrl_wait;
+ atomic_t pend_8021x_cnt;
+
+#ifdef CONFIG_HAS_EARLYSUSPEND
+ struct early_suspend early_suspend;
+#endif /* CONFIG_HAS_EARLYSUSPEND */
+} dhd_info_t;
+
+/* Definitions to provide path to the firmware and nvram
+ * example nvram_path[MOD_PARAM_PATHLEN]="/projects/wlan/nvram.txt"
+ */
+char firmware_path[MOD_PARAM_PATHLEN];
+char nvram_path[MOD_PARAM_PATHLEN];
+
+/* load firmware and/or nvram values from the filesystem */
+module_param_string(firmware_path, firmware_path, MOD_PARAM_PATHLEN, 0);
+module_param_string(nvram_path, nvram_path, MOD_PARAM_PATHLEN, 0);
+
+/* Error bits */
+module_param(dhd_msg_level, int, 0);
+
+/* Spawn a thread for system ioctls (set mac, set mcast) */
+uint dhd_sysioc = true;
+module_param(dhd_sysioc, uint, 0);
+
+/* Watchdog interval */
+uint dhd_watchdog_ms = 10;
+module_param(dhd_watchdog_ms, uint, 0);
+
+#ifdef DHD_DEBUG
+/* Console poll interval */
+uint dhd_console_ms;
+module_param(dhd_console_ms, uint, 0);
+#endif /* DHD_DEBUG */
+
+/* ARP offload agent mode : Enable ARP Host Auto-Reply
+and ARP Peer Auto-Reply */
+uint dhd_arp_mode = 0xb;
+module_param(dhd_arp_mode, uint, 0);
+
+/* ARP offload enable */
+uint dhd_arp_enable = true;
+module_param(dhd_arp_enable, uint, 0);
+
+/* Global Pkt filter enable control */
+uint dhd_pkt_filter_enable = true;
+module_param(dhd_pkt_filter_enable, uint, 0);
+
+/* Pkt filter init setup */
+uint dhd_pkt_filter_init;
+module_param(dhd_pkt_filter_init, uint, 0);
+
+/* Pkt filter mode control */
+uint dhd_master_mode = true;
+module_param(dhd_master_mode, uint, 1);
+
+/* Watchdog thread priority, -1 to use kernel timer */
+int dhd_watchdog_prio = 97;
+module_param(dhd_watchdog_prio, int, 0);
+
+/* DPC thread priority, -1 to use tasklet */
+int dhd_dpc_prio = 98;
+module_param(dhd_dpc_prio, int, 0);
+
+/* DPC thread priority, -1 to use tasklet */
+extern int dhd_dongle_memsize;
+module_param(dhd_dongle_memsize, int, 0);
+
+/* Contorl fw roaming */
+#ifdef CUSTOMER_HW2
+uint dhd_roam;
+#else
+uint dhd_roam = 1;
+#endif
+
+/* Control radio state */
+uint dhd_radio_up = 1;
+
+/* Network inteface name */
+char iface_name[IFNAMSIZ];
+module_param_string(iface_name, iface_name, IFNAMSIZ, 0);
+
+/* The following are specific to the SDIO dongle */
+
+/* IOCTL response timeout */
+int dhd_ioctl_timeout_msec = IOCTL_RESP_TIMEOUT;
+
+/* Idle timeout for backplane clock */
+int dhd_idletime = DHD_IDLETIME_TICKS;
+module_param(dhd_idletime, int, 0);
+
+/* Use polling */
+uint dhd_poll = false;
+module_param(dhd_poll, uint, 0);
+
+/* Use cfg80211 */
+uint dhd_cfg80211 = true;
+module_param(dhd_cfg80211, uint, 0);
+
+/* Use interrupts */
+uint dhd_intr = true;
+module_param(dhd_intr, uint, 0);
+
+/* SDIO Drive Strength (in milliamps) */
+uint dhd_sdiod_drive_strength = 6;
+module_param(dhd_sdiod_drive_strength, uint, 0);
+
+/* Tx/Rx bounds */
+extern uint dhd_txbound;
+extern uint dhd_rxbound;
+module_param(dhd_txbound, uint, 0);
+module_param(dhd_rxbound, uint, 0);
+
+/* Deferred transmits */
+extern uint dhd_deferred_tx;
+module_param(dhd_deferred_tx, uint, 0);
+
+#ifdef SDTEST
+/* Echo packet generator (pkts/s) */
+uint dhd_pktgen;
+module_param(dhd_pktgen, uint, 0);
+
+/* Echo packet len (0 => sawtooth, max 2040) */
+uint dhd_pktgen_len;
+module_param(dhd_pktgen_len, uint, 0);
+#endif
+
+#define FAVORITE_WIFI_CP (!!dhd_cfg80211)
+#define IS_CFG80211_FAVORITE() FAVORITE_WIFI_CP
+#define DBG_CFG80211_GET() ((dhd_cfg80211 & WL_DBG_MASK) >> 1)
+#define NO_FW_REQ() (dhd_cfg80211 & 0x80)
+
+/* Version string to report */
+#ifdef DHD_DEBUG
+#define DHD_COMPILED "\nCompiled in " SRCBASE
+#else
+#define DHD_COMPILED
+#endif
+
+static char dhd_version[] = "Dongle Host Driver, version " EPI_VERSION_STR
+#ifdef DHD_DEBUG
+"\nCompiled in " " on " __DATE__ " at " __TIME__
+#endif
+;
+
+#if defined(CONFIG_WIRELESS_EXT)
+struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev);
+#endif /* defined(CONFIG_WIRELESS_EXT) */
+
+static void dhd_dpc(unsigned long data);
+/* forward decl */
+extern int dhd_wait_pend8021x(struct net_device *dev);
+
+#ifdef TOE
+#ifndef BDC
+#error TOE requires BDC
+#endif /* !BDC */
+static int dhd_toe_get(dhd_info_t *dhd, int idx, u32 *toe_ol);
+static int dhd_toe_set(dhd_info_t *dhd, int idx, u32 toe_ol);
+#endif /* TOE */
+
+static int dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata,
+ wl_event_msg_t *event_ptr, void **data_ptr);
+
+#if defined(CONFIG_PM_SLEEP)
+static int dhd_sleep_pm_callback(struct notifier_block *nfb,
+ unsigned long action, void *ignored)
+{
+ switch (action) {
+ case PM_HIBERNATION_PREPARE:
+ case PM_SUSPEND_PREPARE:
+ dhd_mmc_suspend = true;
+ return NOTIFY_OK;
+ case PM_POST_HIBERNATION:
+ case PM_POST_SUSPEND:
+ dhd_mmc_suspend = false;
+ return NOTIFY_OK;
+ }
+ return 0;
+}
+
+static struct notifier_block dhd_sleep_pm_notifier = {
+ .notifier_call = dhd_sleep_pm_callback,
+ .priority = 0
+};
+
+extern int register_pm_notifier(struct notifier_block *nb);
+extern int unregister_pm_notifier(struct notifier_block *nb);
+#endif /* defined(CONFIG_PM_SLEEP) */
+ /* && defined(DHD_GPL) */
+static void dhd_set_packet_filter(int value, dhd_pub_t *dhd)
+{
+#ifdef PKT_FILTER_SUPPORT
+ DHD_TRACE(("%s: %d\n", __func__, value));
+ /* 1 - Enable packet filter, only allow unicast packet to send up */
+ /* 0 - Disable packet filter */
+ if (dhd_pkt_filter_enable) {
+ int i;
+
+ for (i = 0; i < dhd->pktfilter_count; i++) {
+ dhd_pktfilter_offload_set(dhd, dhd->pktfilter[i]);
+ dhd_pktfilter_offload_enable(dhd, dhd->pktfilter[i],
+ value, dhd_master_mode);
+ }
+ }
+#endif
+}
+
+#if defined(CONFIG_HAS_EARLYSUSPEND)
+static int dhd_set_suspend(int value, dhd_pub_t *dhd)
+{
+ int power_mode = PM_MAX;
+ /* wl_pkt_filter_enable_t enable_parm; */
+ char iovbuf[32];
+ int bcn_li_dtim = 3;
+#ifdef CUSTOMER_HW2
+ uint roamvar = 1;
+#endif /* CUSTOMER_HW2 */
+
+ DHD_TRACE(("%s: enter, value = %d in_suspend=%d\n",
+ __func__, value, dhd->in_suspend));
+
+ if (dhd && dhd->up) {
+ if (value && dhd->in_suspend) {
+
+ /* Kernel suspended */
+ DHD_TRACE(("%s: force extra Suspend setting\n",
+ __func__));
+
+ dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM,
+ (char *)&power_mode,
+ sizeof(power_mode));
+
+ /* Enable packet filter, only allow unicast
+ packet to send up */
+ dhd_set_packet_filter(1, dhd);
+
+ /* if dtim skip setup as default force it
+ * to wake each thrid dtim
+ * for better power saving.
+ * Note that side effect is chance to miss BC/MC
+ * packet
+ */
+ if ((dhd->dtim_skip == 0) || (dhd->dtim_skip == 1))
+ bcn_li_dtim = 3;
+ else
+ bcn_li_dtim = dhd->dtim_skip;
+ bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim,
+ 4, iovbuf, sizeof(iovbuf));
+ dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+#ifdef CUSTOMER_HW2
+ /* Disable build-in roaming to allowed \
+ * supplicant to take of romaing
+ */
+ bcm_mkiovar("roam_off", (char *)&roamvar, 4,
+ iovbuf, sizeof(iovbuf));
+ dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+#endif /* CUSTOMER_HW2 */
+ } else {
+
+ /* Kernel resumed */
+ DHD_TRACE(("%s: Remove extra suspend setting\n",
+ __func__));
+
+ power_mode = PM_FAST;
+ dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM,
+ (char *)&power_mode,
+ sizeof(power_mode));
+
+ /* disable pkt filter */
+ dhd_set_packet_filter(0, dhd);
+
+ /* restore pre-suspend setting for dtim_skip */
+ bcm_mkiovar("bcn_li_dtim", (char *)&dhd->dtim_skip,
+ 4, iovbuf, sizeof(iovbuf));
+
+ dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+#ifdef CUSTOMER_HW2
+ roamvar = 0;
+ bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf,
+ sizeof(iovbuf));
+ dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+#endif /* CUSTOMER_HW2 */
+ }
+ }
+
+ return 0;
+}
+
+static void dhd_suspend_resume_helper(struct dhd_info *dhd, int val)
+{
+ dhd_pub_t *dhdp = &dhd->pub;
+
+ dhd_os_proto_block(dhdp);
+ /* Set flag when early suspend was called */
+ dhdp->in_suspend = val;
+ if (!dhdp->suspend_disable_flag)
+ dhd_set_suspend(val, dhdp);
+ dhd_os_proto_unblock(dhdp);
+}
+
+static void dhd_early_suspend(struct early_suspend *h)
+{
+ struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend);
+
+ DHD_TRACE(("%s: enter\n", __func__));
+
+ if (dhd)
+ dhd_suspend_resume_helper(dhd, 1);
+
+}
+
+static void dhd_late_resume(struct early_suspend *h)
+{
+ struct dhd_info *dhd = container_of(h, struct dhd_info, early_suspend);
+
+ DHD_TRACE(("%s: enter\n", __func__));
+
+ if (dhd)
+ dhd_suspend_resume_helper(dhd, 0);
+}
+#endif /* defined(CONFIG_HAS_EARLYSUSPEND) */
+
+/*
+ * Generalized timeout mechanism. Uses spin sleep with exponential
+ * back-off until
+ * the sleep time reaches one jiffy, then switches over to task delay. Usage:
+ *
+ * dhd_timeout_start(&tmo, usec);
+ * while (!dhd_timeout_expired(&tmo))
+ * if (poll_something())
+ * break;
+ * if (dhd_timeout_expired(&tmo))
+ * fatal();
+ */
+
+void dhd_timeout_start(dhd_timeout_t *tmo, uint usec)
+{
+ tmo->limit = usec;
+ tmo->increment = 0;
+ tmo->elapsed = 0;
+ tmo->tick = 1000000 / HZ;
+}
+
+int dhd_timeout_expired(dhd_timeout_t *tmo)
+{
+ /* Does nothing the first call */
+ if (tmo->increment == 0) {
+ tmo->increment = 1;
+ return 0;
+ }
+
+ if (tmo->elapsed >= tmo->limit)
+ return 1;
+
+ /* Add the delay that's about to take place */
+ tmo->elapsed += tmo->increment;
+
+ if (tmo->increment < tmo->tick) {
+ udelay(tmo->increment);
+ tmo->increment *= 2;
+ if (tmo->increment > tmo->tick)
+ tmo->increment = tmo->tick;
+ } else {
+ wait_queue_head_t delay_wait;
+ DECLARE_WAITQUEUE(wait, current);
+ int pending;
+ init_waitqueue_head(&delay_wait);
+ add_wait_queue(&delay_wait, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(1);
+ pending = signal_pending(current);
+ remove_wait_queue(&delay_wait, &wait);
+ set_current_state(TASK_RUNNING);
+ if (pending)
+ return 1; /* Interrupted */
+ }
+
+ return 0;
+}
+
+static int dhd_net2idx(dhd_info_t *dhd, struct net_device *net)
+{
+ int i = 0;
+
+ ASSERT(dhd);
+ while (i < DHD_MAX_IFS) {
+ if (dhd->iflist[i] && (dhd->iflist[i]->net == net))
+ return i;
+ i++;
+ }
+
+ return DHD_BAD_IF;
+}
+
+int dhd_ifname2idx(dhd_info_t *dhd, char *name)
+{
+ int i = DHD_MAX_IFS;
+
+ ASSERT(dhd);
+
+ if (name == NULL || *name == '\0')
+ return 0;
+
+ while (--i > 0)
+ if (dhd->iflist[i]
+ && !strncmp(dhd->iflist[i]->name, name, IFNAMSIZ))
+ break;
+
+ DHD_TRACE(("%s: return idx %d for \"%s\"\n", __func__, i, name));
+
+ return i; /* default - the primary interface */
+}
+
+char *dhd_ifname(dhd_pub_t *dhdp, int ifidx)
+{
+ dhd_info_t *dhd = (dhd_info_t *) dhdp->info;
+
+ ASSERT(dhd);
+
+ if (ifidx < 0 || ifidx >= DHD_MAX_IFS) {
+ DHD_ERROR(("%s: ifidx %d out of range\n", __func__, ifidx));
+ return "<if_bad>";
+ }
+
+ if (dhd->iflist[ifidx] == NULL) {
+ DHD_ERROR(("%s: null i/f %d\n", __func__, ifidx));
+ return "<if_null>";
+ }
+
+ if (dhd->iflist[ifidx]->net)
+ return dhd->iflist[ifidx]->net->name;
+
+ return "<if_none>";
+}
+
+static void _dhd_set_multicast_list(dhd_info_t *dhd, int ifidx)
+{
+ struct net_device *dev;
+ struct netdev_hw_addr *ha;
+ u32 allmulti, cnt;
+
+ wl_ioctl_t ioc;
+ char *buf, *bufp;
+ uint buflen;
+ int ret;
+
+ ASSERT(dhd && dhd->iflist[ifidx]);
+ dev = dhd->iflist[ifidx]->net;
+ cnt = netdev_mc_count(dev);
+
+ /* Determine initial value of allmulti flag */
+ allmulti = (dev->flags & IFF_ALLMULTI) ? true : false;
+
+ /* Send down the multicast list first. */
+
+ buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETH_ALEN);
+ bufp = buf = kmalloc(buflen, GFP_ATOMIC);
+ if (!bufp) {
+ DHD_ERROR(("%s: out of memory for mcast_list, cnt %d\n",
+ dhd_ifname(&dhd->pub, ifidx), cnt));
+ return;
+ }
+
+ strcpy(bufp, "mcast_list");
+ bufp += strlen("mcast_list") + 1;
+
+ cnt = htol32(cnt);
+ memcpy(bufp, &cnt, sizeof(cnt));
+ bufp += sizeof(cnt);
+
+ netdev_for_each_mc_addr(ha, dev) {
+ if (!cnt)
+ break;
+ memcpy(bufp, ha->addr, ETH_ALEN);
+ bufp += ETH_ALEN;
+ cnt--;
+ }
+
+ memset(&ioc, 0, sizeof(ioc));
+ ioc.cmd = WLC_SET_VAR;
+ ioc.buf = buf;
+ ioc.len = buflen;
+ ioc.set = true;
+
+ ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len);
+ if (ret < 0) {
+ DHD_ERROR(("%s: set mcast_list failed, cnt %d\n",
+ dhd_ifname(&dhd->pub, ifidx), cnt));
+ allmulti = cnt ? true : allmulti;
+ }
+
+ kfree(buf);
+
+ /* Now send the allmulti setting. This is based on the setting in the
+ * net_device flags, but might be modified above to be turned on if we
+ * were trying to set some addresses and dongle rejected it...
+ */
+
+ buflen = sizeof("allmulti") + sizeof(allmulti);
+ buf = kmalloc(buflen, GFP_ATOMIC);
+ if (!buf) {
+ DHD_ERROR(("%s: out of memory for allmulti\n",
+ dhd_ifname(&dhd->pub, ifidx)));
+ return;
+ }
+ allmulti = htol32(allmulti);
+
+ if (!bcm_mkiovar
+ ("allmulti", (void *)&allmulti, sizeof(allmulti), buf, buflen)) {
+ DHD_ERROR(("%s: mkiovar failed for allmulti, datalen %d "
+ "buflen %u\n", dhd_ifname(&dhd->pub, ifidx),
+ (int)sizeof(allmulti), buflen));
+ kfree(buf);
+ return;
+ }
+
+ memset(&ioc, 0, sizeof(ioc));
+ ioc.cmd = WLC_SET_VAR;
+ ioc.buf = buf;
+ ioc.len = buflen;
+ ioc.set = true;
+
+ ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len);
+ if (ret < 0) {
+ DHD_ERROR(("%s: set allmulti %d failed\n",
+ dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti)));
+ }
+
+ kfree(buf);
+
+ /* Finally, pick up the PROMISC flag as well, like the NIC
+ driver does */
+
+ allmulti = (dev->flags & IFF_PROMISC) ? true : false;
+ allmulti = htol32(allmulti);
+
+ memset(&ioc, 0, sizeof(ioc));
+ ioc.cmd = WLC_SET_PROMISC;
+ ioc.buf = &allmulti;
+ ioc.len = sizeof(allmulti);
+ ioc.set = true;
+
+ ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len);
+ if (ret < 0) {
+ DHD_ERROR(("%s: set promisc %d failed\n",
+ dhd_ifname(&dhd->pub, ifidx), ltoh32(allmulti)));
+ }
+}
+
+static int
+_dhd_set_mac_address(dhd_info_t *dhd, int ifidx, struct ether_addr *addr)
+{
+ char buf[32];
+ wl_ioctl_t ioc;
+ int ret;
+
+ DHD_TRACE(("%s enter\n", __func__));
+ if (!bcm_mkiovar
+ ("cur_etheraddr", (char *)addr, ETH_ALEN, buf, 32)) {
+ DHD_ERROR(("%s: mkiovar failed for cur_etheraddr\n",
+ dhd_ifname(&dhd->pub, ifidx)));
+ return -1;
+ }
+ memset(&ioc, 0, sizeof(ioc));
+ ioc.cmd = WLC_SET_VAR;
+ ioc.buf = buf;
+ ioc.len = 32;
+ ioc.set = true;
+
+ ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len);
+ if (ret < 0) {
+ DHD_ERROR(("%s: set cur_etheraddr failed\n",
+ dhd_ifname(&dhd->pub, ifidx)));
+ } else {
+ memcpy(dhd->iflist[ifidx]->net->dev_addr, addr, ETH_ALEN);
+ }
+
+ return ret;
+}
+
+#ifdef SOFTAP
+extern struct net_device *ap_net_dev;
+#endif
+
+static void dhd_op_if(dhd_if_t *ifp)
+{
+ dhd_info_t *dhd;
+ int ret = 0, err = 0;
+
+ ASSERT(ifp && ifp->info && ifp->idx); /* Virtual interfaces only */
+
+ dhd = ifp->info;
+
+ DHD_TRACE(("%s: idx %d, state %d\n", __func__, ifp->idx, ifp->state));
+
+ switch (ifp->state) {
+ case WLC_E_IF_ADD:
+ /*
+ * Delete the existing interface before overwriting it
+ * in case we missed the WLC_E_IF_DEL event.
+ */
+ if (ifp->net != NULL) {
+ DHD_ERROR(("%s: ERROR: netdev:%s already exists, "
+ "try free & unregister\n",
+ __func__, ifp->net->name));
+ netif_stop_queue(ifp->net);
+ unregister_netdev(ifp->net);
+ free_netdev(ifp->net);
+ }
+ /* Allocate etherdev, including space for private structure */
+ ifp->net = alloc_etherdev(sizeof(dhd));
+ if (!ifp->net) {
+ DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__));
+ ret = -ENOMEM;
+ }
+ if (ret == 0) {
+ strcpy(ifp->net->name, ifp->name);
+ memcpy(netdev_priv(ifp->net), &dhd, sizeof(dhd));
+ err = dhd_net_attach(&dhd->pub, ifp->idx);
+ if (err != 0) {
+ DHD_ERROR(("%s: dhd_net_attach failed, "
+ "err %d\n",
+ __func__, err));
+ ret = -EOPNOTSUPP;
+ } else {
+#ifdef SOFTAP
+ /* semaphore that the soft AP CODE
+ waits on */
+ extern struct semaphore ap_eth_sema;
+
+ /* save ptr to wl0.1 netdev for use
+ in wl_iw.c */
+ ap_net_dev = ifp->net;
+ /* signal to the SOFTAP 'sleeper' thread,
+ wl0.1 is ready */
+ up(&ap_eth_sema);
+#endif
+ DHD_TRACE(("\n ==== pid:%x, net_device for "
+ "if:%s created ===\n\n",
+ current->pid, ifp->net->name));
+ ifp->state = 0;
+ }
+ }
+ break;
+ case WLC_E_IF_DEL:
+ if (ifp->net != NULL) {
+ DHD_TRACE(("\n%s: got 'WLC_E_IF_DEL' state\n",
+ __func__));
+ netif_stop_queue(ifp->net);
+ unregister_netdev(ifp->net);
+ ret = DHD_DEL_IF; /* Make sure the free_netdev()
+ is called */
+ }
+ break;
+ default:
+ DHD_ERROR(("%s: bad op %d\n", __func__, ifp->state));
+ ASSERT(!ifp->state);
+ break;
+ }
+
+ if (ret < 0) {
+ if (ifp->net)
+ free_netdev(ifp->net);
+
+ dhd->iflist[ifp->idx] = NULL;
+ kfree(ifp);
+#ifdef SOFTAP
+ if (ifp->net == ap_net_dev)
+ ap_net_dev = NULL; /* NULL SOFTAP global
+ wl0.1 as well */
+#endif /* SOFTAP */
+ }
+}
+
+static int _dhd_sysioc_thread(void *data)
+{
+ dhd_info_t *dhd = (dhd_info_t *) data;
+ int i;
+#ifdef SOFTAP
+ bool in_ap = false;
+#endif
+
+ allow_signal(SIGTERM);
+
+ while (down_interruptible(&dhd->sysioc_sem) == 0) {
+ if (kthread_should_stop())
+ break;
+ for (i = 0; i < DHD_MAX_IFS; i++) {
+ if (dhd->iflist[i]) {
+#ifdef SOFTAP
+ in_ap = (ap_net_dev != NULL);
+#endif /* SOFTAP */
+ if (dhd->iflist[i]->state)
+ dhd_op_if(dhd->iflist[i]);
+#ifdef SOFTAP
+ if (dhd->iflist[i] == NULL) {
+ DHD_TRACE(("\n\n %s: interface %d "
+ "removed!\n", __func__, i));
+ continue;
+ }
+
+ if (in_ap && dhd->set_macaddress) {
+ DHD_TRACE(("attempt to set MAC for %s "
+ "in AP Mode," "blocked. \n",
+ dhd->iflist[i]->net->name));
+ dhd->set_macaddress = false;
+ continue;
+ }
+
+ if (in_ap && dhd->set_multicast) {
+ DHD_TRACE(("attempt to set MULTICAST list for %s" "in AP Mode, blocked. \n",
+ dhd->iflist[i]->net->name));
+ dhd->set_multicast = false;
+ continue;
+ }
+#endif /* SOFTAP */
+ if (dhd->set_multicast) {
+ dhd->set_multicast = false;
+ _dhd_set_multicast_list(dhd, i);
+ }
+ if (dhd->set_macaddress) {
+ dhd->set_macaddress = false;
+ _dhd_set_mac_address(dhd, i,
+ &dhd->macvalue);
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+static int dhd_set_mac_address(struct net_device *dev, void *addr)
+{
+ int ret = 0;
+
+ dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev);
+ struct sockaddr *sa = (struct sockaddr *)addr;
+ int ifidx;
+
+ ifidx = dhd_net2idx(dhd, dev);
+ if (ifidx == DHD_BAD_IF)
+ return -1;
+
+ ASSERT(dhd->sysioc_tsk);
+ memcpy(&dhd->macvalue, sa->sa_data, ETH_ALEN);
+ dhd->set_macaddress = true;
+ up(&dhd->sysioc_sem);
+
+ return ret;
+}
+
+static void dhd_set_multicast_list(struct net_device *dev)
+{
+ dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev);
+ int ifidx;
+
+ ifidx = dhd_net2idx(dhd, dev);
+ if (ifidx == DHD_BAD_IF)
+ return;
+
+ ASSERT(dhd->sysioc_tsk);
+ dhd->set_multicast = true;
+ up(&dhd->sysioc_sem);
+}
+
+int dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pktbuf)
+{
+ int ret;
+ dhd_info_t *dhd = (dhd_info_t *) (dhdp->info);
+
+ /* Reject if down */
+ if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN))
+ return -ENODEV;
+
+ /* Update multicast statistic */
+ if (pktbuf->len >= ETH_ALEN) {
+ u8 *pktdata = (u8 *) (pktbuf->data);
+ struct ether_header *eh = (struct ether_header *)pktdata;
+
+ if (is_multicast_ether_addr(eh->ether_dhost))
+ dhdp->tx_multicast++;
+ if (ntoh16(eh->ether_type) == ETH_P_PAE)
+ atomic_inc(&dhd->pend_8021x_cnt);
+ }
+
+ /* If the protocol uses a data header, apply it */
+ dhd_prot_hdrpush(dhdp, ifidx, pktbuf);
+
+ /* Use bus module to send data frame */
+#ifdef BCMDBUS
+ ret = dbus_send_pkt(dhdp->dbus, pktbuf, NULL /* pktinfo */);
+#else
+ WAKE_LOCK_TIMEOUT(dhdp, WAKE_LOCK_TMOUT, 25);
+ ret = dhd_bus_txdata(dhdp->bus, pktbuf);
+#endif /* BCMDBUS */
+
+ return ret;
+}
+
+static inline void *
+osl_pkt_frmnative(struct osl_info *osh, struct sk_buff *skb)
+{
+ struct sk_buff *nskb;
+
+ for (nskb = skb; nskb; nskb = nskb->next)
+ osh->pktalloced++;
+
+ return (void *)skb;
+}
+#define PKTFRMNATIVE(osh, skb) \
+ osl_pkt_frmnative((osh), (struct sk_buff *)(skb))
+
+static inline struct sk_buff *
+osl_pkt_tonative(struct osl_info *osh, void *pkt)
+{
+ struct sk_buff *nskb;
+
+ for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next)
+ osh->pktalloced--;
+
+ return (struct sk_buff *)pkt;
+}
+#define PKTTONATIVE(osh, pkt) \
+ osl_pkt_tonative((osh), (pkt))
+
+static int dhd_start_xmit(struct sk_buff *skb, struct net_device *net)
+{
+ int ret;
+ void *pktbuf;
+ dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net);
+ int ifidx;
+
+ DHD_TRACE(("%s: Enter\n", __func__));
+
+ /* Reject if down */
+ if (!dhd->pub.up || (dhd->pub.busstate == DHD_BUS_DOWN)) {
+ DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d\n",
+ __func__, dhd->pub.up, dhd->pub.busstate));
+ netif_stop_queue(net);
+ return -ENODEV;
+ }
+
+ ifidx = dhd_net2idx(dhd, net);
+ if (ifidx == DHD_BAD_IF) {
+ DHD_ERROR(("%s: bad ifidx %d\n", __func__, ifidx));
+ netif_stop_queue(net);
+ return -ENODEV;
+ }
+
+ /* Make sure there's enough room for any header */
+ if (skb_headroom(skb) < dhd->pub.hdrlen) {
+ struct sk_buff *skb2;
+
+ DHD_INFO(("%s: insufficient headroom\n",
+ dhd_ifname(&dhd->pub, ifidx)));
+ dhd->pub.tx_realloc++;
+ skb2 = skb_realloc_headroom(skb, dhd->pub.hdrlen);
+ dev_kfree_skb(skb);
+ skb = skb2;
+ if (skb == NULL) {
+ DHD_ERROR(("%s: skb_realloc_headroom failed\n",
+ dhd_ifname(&dhd->pub, ifidx)));
+ ret = -ENOMEM;
+ goto done;
+ }
+ }
+
+ /* Convert to packet */
+ pktbuf = PKTFRMNATIVE(dhd->pub.osh, skb);
+ if (!pktbuf) {
+ DHD_ERROR(("%s: PKTFRMNATIVE failed\n",
+ dhd_ifname(&dhd->pub, ifidx)));
+ dev_kfree_skb_any(skb);
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ ret = dhd_sendpkt(&dhd->pub, ifidx, pktbuf);
+
+done:
+ if (ret)
+ dhd->pub.dstats.tx_dropped++;
+ else
+ dhd->pub.tx_packets++;
+
+ /* Return ok: we always eat the packet */
+ return 0;
+}
+
+void dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state)
+{
+ struct net_device *net;
+ dhd_info_t *dhd = dhdp->info;
+
+ DHD_TRACE(("%s: Enter\n", __func__));
+
+ dhdp->txoff = state;
+ ASSERT(dhd && dhd->iflist[ifidx]);
+ net = dhd->iflist[ifidx]->net;
+ if (state == ON)
+ netif_stop_queue(net);
+ else
+ netif_wake_queue(net);
+}
+
+void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pktbuf,
+ int numpkt)
+{
+ dhd_info_t *dhd = (dhd_info_t *) dhdp->info;
+ struct sk_buff *skb;
+ unsigned char *eth;
+ uint len;
+ void *data;
+ struct sk_buff *pnext, *save_pktbuf;
+ int i;
+ dhd_if_t *ifp;
+ wl_event_msg_t event;
+
+ DHD_TRACE(("%s: Enter\n", __func__));
+
+ save_pktbuf = pktbuf;
+
+ for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) {
+
+ pnext = pktbuf->next;
+ pktbuf->next = NULL;
+
+ skb = PKTTONATIVE(dhdp->osh, pktbuf);
+
+ /* Get the protocol, maintain skb around eth_type_trans()
+ * The main reason for this hack is for the limitation of
+ * Linux 2.4 where 'eth_type_trans' uses the
+ * 'net->hard_header_len'
+ * to perform skb_pull inside vs ETH_HLEN. Since to avoid
+ * coping of the packet coming from the network stack to add
+ * BDC, Hardware header etc, during network interface
+ * registration
+ * we set the 'net->hard_header_len' to ETH_HLEN + extra space
+ * required
+ * for BDC, Hardware header etc. and not just the ETH_HLEN
+ */
+ eth = skb->data;
+ len = skb->len;
+
+ ifp = dhd->iflist[ifidx];
+ if (ifp == NULL)
+ ifp = dhd->iflist[0];
+
+ ASSERT(ifp);
+ skb->dev = ifp->net;
+ skb->protocol = eth_type_trans(skb, skb->dev);
+
+ if (skb->pkt_type == PACKET_MULTICAST)
+ dhd->pub.rx_multicast++;
+
+ skb->data = eth;
+ skb->len = len;
+
+ /* Strip header, count, deliver upward */
+ skb_pull(skb, ETH_HLEN);
+
+ /* Process special event packets and then discard them */
+ if (ntoh16(skb->protocol) == ETHER_TYPE_BRCM)
+ dhd_wl_host_event(dhd, &ifidx,
+ skb_mac_header(skb),
+ &event, &data);
+
+ ASSERT(ifidx < DHD_MAX_IFS && dhd->iflist[ifidx]);
+ if (dhd->iflist[ifidx] && !dhd->iflist[ifidx]->state)
+ ifp = dhd->iflist[ifidx];
+
+ if (ifp->net)
+ ifp->net->last_rx = jiffies;
+
+ dhdp->dstats.rx_bytes += skb->len;
+ dhdp->rx_packets++; /* Local count */
+
+ if (in_interrupt()) {
+ netif_rx(skb);
+ } else {
+ /* If the receive is not processed inside an ISR,
+ * the softirqd must be woken explicitly to service
+ * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled
+ * by netif_rx_ni(), but in earlier kernels, we need
+ * to do it manually.
+ */
+ netif_rx_ni(skb);
+ }
+ }
+}
+
+void dhd_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx)
+{
+ /* Linux version has nothing to do */
+ return;
+}
+
+void dhd_txcomplete(dhd_pub_t *dhdp, struct sk_buff *txp, bool success)
+{
+ uint ifidx;
+ dhd_info_t *dhd = (dhd_info_t *) (dhdp->info);
+ struct ether_header *eh;
+ u16 type;
+
+ dhd_prot_hdrpull(dhdp, &ifidx, txp);
+
+ eh = (struct ether_header *)(txp->data);
+ type = ntoh16(eh->ether_type);
+
+ if (type == ETH_P_PAE)
+ atomic_dec(&dhd->pend_8021x_cnt);
+
+}
+
+static struct net_device_stats *dhd_get_stats(struct net_device *net)
+{
+ dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net);
+ dhd_if_t *ifp;
+ int ifidx;
+
+ DHD_TRACE(("%s: Enter\n", __func__));
+
+ ifidx = dhd_net2idx(dhd, net);
+ if (ifidx == DHD_BAD_IF)
+ return NULL;
+
+ ifp = dhd->iflist[ifidx];
+ ASSERT(dhd && ifp);
+
+ if (dhd->pub.up) {
+ /* Use the protocol to get dongle stats */
+ dhd_prot_dstats(&dhd->pub);
+ }
+
+ /* Copy dongle stats to net device stats */
+ ifp->stats.rx_packets = dhd->pub.dstats.rx_packets;
+ ifp->stats.tx_packets = dhd->pub.dstats.tx_packets;
+ ifp->stats.rx_bytes = dhd->pub.dstats.rx_bytes;
+ ifp->stats.tx_bytes = dhd->pub.dstats.tx_bytes;
+ ifp->stats.rx_errors = dhd->pub.dstats.rx_errors;
+ ifp->stats.tx_errors = dhd->pub.dstats.tx_errors;
+ ifp->stats.rx_dropped = dhd->pub.dstats.rx_dropped;
+ ifp->stats.tx_dropped = dhd->pub.dstats.tx_dropped;
+ ifp->stats.multicast = dhd->pub.dstats.multicast;
+
+ return &ifp->stats;
+}
+
+static int dhd_watchdog_thread(void *data)
+{
+ dhd_info_t *dhd = (dhd_info_t *) data;
+ WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_WATCHDOG, "dhd_watchdog_thread");
+
+ /* This thread doesn't need any user-level access,
+ * so get rid of all our resources
+ */
+#ifdef DHD_SCHED
+ if (dhd_watchdog_prio > 0) {
+ struct sched_param param;
+ param.sched_priority = (dhd_watchdog_prio < MAX_RT_PRIO) ?
+ dhd_watchdog_prio : (MAX_RT_PRIO - 1);
+ setScheduler(current, SCHED_FIFO, ¶m);
+ }
+#endif /* DHD_SCHED */
+
+ allow_signal(SIGTERM);
+ /* Run until signal received */
+ while (1) {
+ if (kthread_should_stop())
+ break;
+ if (down_interruptible(&dhd->watchdog_sem) == 0) {
+ if (dhd->pub.dongle_reset == false) {
+ WAKE_LOCK(&dhd->pub, WAKE_LOCK_WATCHDOG);
+ /* Call the bus module watchdog */
+ dhd_bus_watchdog(&dhd->pub);
+ WAKE_UNLOCK(&dhd->pub, WAKE_LOCK_WATCHDOG);
+ }
+ /* Count the tick for reference */
+ dhd->pub.tickcnt++;
+ } else
+ break;
+ }
+
+ WAKE_LOCK_DESTROY(&dhd->pub, WAKE_LOCK_WATCHDOG);
+ return 0;
+}
+
+static void dhd_watchdog(unsigned long data)
+{
+ dhd_info_t *dhd = (dhd_info_t *) data;
+
+ if (dhd->watchdog_tsk) {
+ up(&dhd->watchdog_sem);
+
+ /* Reschedule the watchdog */
+ if (dhd->wd_timer_valid) {
+ mod_timer(&dhd->timer,
+ jiffies + dhd_watchdog_ms * HZ / 1000);
+ }
+ return;
+ }
+
+ /* Call the bus module watchdog */
+ dhd_bus_watchdog(&dhd->pub);
+
+ /* Count the tick for reference */
+ dhd->pub.tickcnt++;
+
+ /* Reschedule the watchdog */
+ if (dhd->wd_timer_valid)
+ mod_timer(&dhd->timer, jiffies + dhd_watchdog_ms * HZ / 1000);
+}
+
+static int dhd_dpc_thread(void *data)
+{
+ dhd_info_t *dhd = (dhd_info_t *) data;
+
+ WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_DPC, "dhd_dpc_thread");
+ /* This thread doesn't need any user-level access,
+ * so get rid of all our resources
+ */
+#ifdef DHD_SCHED
+ if (dhd_dpc_prio > 0) {
+ struct sched_param param;
+ param.sched_priority =
+ (dhd_dpc_prio <
+ MAX_RT_PRIO) ? dhd_dpc_prio : (MAX_RT_PRIO - 1);
+ setScheduler(current, SCHED_FIFO, ¶m);
+ }
+#endif /* DHD_SCHED */
+
+ allow_signal(SIGTERM);
+ /* Run until signal received */
+ while (1) {
+ if (kthread_should_stop())
+ break;
+ if (down_interruptible(&dhd->dpc_sem) == 0) {
+ /* Call bus dpc unless it indicated down
+ (then clean stop) */
+ if (dhd->pub.busstate != DHD_BUS_DOWN) {
+ WAKE_LOCK(&dhd->pub, WAKE_LOCK_DPC);
+ if (dhd_bus_dpc(dhd->pub.bus)) {
+ up(&dhd->dpc_sem);
+ WAKE_LOCK_TIMEOUT(&dhd->pub,
+ WAKE_LOCK_TMOUT, 25);
+ }
+ WAKE_UNLOCK(&dhd->pub, WAKE_LOCK_DPC);
+ } else {
+ dhd_bus_stop(dhd->pub.bus, true);
+ }
+ } else
+ break;
+ }
+
+ WAKE_LOCK_DESTROY(&dhd->pub, WAKE_LOCK_DPC);
+ return 0;
+}
+
+static void dhd_dpc(unsigned long data)
+{
+ dhd_info_t *dhd;
+
+ dhd = (dhd_info_t *) data;
+
+ /* Call bus dpc unless it indicated down (then clean stop) */
+ if (dhd->pub.busstate != DHD_BUS_DOWN) {
+ if (dhd_bus_dpc(dhd->pub.bus))
+ tasklet_schedule(&dhd->tasklet);
+ } else {
+ dhd_bus_stop(dhd->pub.bus, true);
+ }
+}
+
+void dhd_sched_dpc(dhd_pub_t *dhdp)
+{
+ dhd_info_t *dhd = (dhd_info_t *) dhdp->info;
+
+ if (dhd->dpc_tsk) {
+ up(&dhd->dpc_sem);
+ return;
+ }
+
+ tasklet_schedule(&dhd->tasklet);
+}
+
+#ifdef TOE
+/* Retrieve current toe component enables, which are kept
+ as a bitmap in toe_ol iovar */
+static int dhd_toe_get(dhd_info_t *dhd, int ifidx, u32 *toe_ol)
+{
+ wl_ioctl_t ioc;
+ char buf[32];
+ int ret;
+
+ memset(&ioc, 0, sizeof(ioc));
+
+ ioc.cmd = WLC_GET_VAR;
+ ioc.buf = buf;
+ ioc.len = (uint) sizeof(buf);
+ ioc.set = false;
+
+ strcpy(buf, "toe_ol");
+ ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len);
+ if (ret < 0) {
+ /* Check for older dongle image that doesn't support toe_ol */
+ if (ret == -EIO) {
+ DHD_ERROR(("%s: toe not supported by device\n",
+ dhd_ifname(&dhd->pub, ifidx)));
+ return -EOPNOTSUPP;
+ }
+
+ DHD_INFO(("%s: could not get toe_ol: ret=%d\n",
+ dhd_ifname(&dhd->pub, ifidx), ret));
+ return ret;
+ }
+
+ memcpy(toe_ol, buf, sizeof(u32));
+ return 0;
+}
+
+/* Set current toe component enables in toe_ol iovar,
+ and set toe global enable iovar */
+static int dhd_toe_set(dhd_info_t *dhd, int ifidx, u32 toe_ol)
+{
+ wl_ioctl_t ioc;
+ char buf[32];
+ int toe, ret;
+
+ memset(&ioc, 0, sizeof(ioc));
+
+ ioc.cmd = WLC_SET_VAR;
+ ioc.buf = buf;
+ ioc.len = (uint) sizeof(buf);
+ ioc.set = true;
+
+ /* Set toe_ol as requested */
+
+ strcpy(buf, "toe_ol");
+ memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(u32));
+
+ ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len);
+ if (ret < 0) {
+ DHD_ERROR(("%s: could not set toe_ol: ret=%d\n",
+ dhd_ifname(&dhd->pub, ifidx), ret));
+ return ret;
+ }
+
+ /* Enable toe globally only if any components are enabled. */
+
+ toe = (toe_ol != 0);
+
+ strcpy(buf, "toe");
+ memcpy(&buf[sizeof("toe")], &toe, sizeof(u32));
+
+ ret = dhd_prot_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len);
+ if (ret < 0) {
+ DHD_ERROR(("%s: could not set toe: ret=%d\n",
+ dhd_ifname(&dhd->pub, ifidx), ret));
+ return ret;
+ }
+
+ return 0;
+}
+#endif /* TOE */
+
+static void dhd_ethtool_get_drvinfo(struct net_device *net,
+ struct ethtool_drvinfo *info)
+{
+ dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net);
+
+ sprintf(info->driver, DRV_MODULE_NAME);
+ sprintf(info->version, "%lu", dhd->pub.drv_version);
+ sprintf(info->fw_version, "%s", wl_cfg80211_get_fwname());
+ sprintf(info->bus_info, "%s", dev_name(&wl_cfg80211_get_sdio_func()->dev));
+}
+
+struct ethtool_ops dhd_ethtool_ops = {
+ .get_drvinfo = dhd_ethtool_get_drvinfo
+};
+
+static int dhd_ethtool(dhd_info_t *dhd, void *uaddr)
+{
+ struct ethtool_drvinfo info;
+ char drvname[sizeof(info.driver)];
+ u32 cmd;
+#ifdef TOE
+ struct ethtool_value edata;
+ u32 toe_cmpnt, csum_dir;
+ int ret;
+#endif
+
+ DHD_TRACE(("%s: Enter\n", __func__));
+
+ /* all ethtool calls start with a cmd word */
+ if (copy_from_user(&cmd, uaddr, sizeof(u32)))
+ return -EFAULT;
+
+ switch (cmd) {
+ case ETHTOOL_GDRVINFO:
+ /* Copy out any request driver name */
+ if (copy_from_user(&info, uaddr, sizeof(info)))
+ return -EFAULT;
+ strncpy(drvname, info.driver, sizeof(info.driver));
+ drvname[sizeof(info.driver) - 1] = '\0';
+
+ /* clear struct for return */
+ memset(&info, 0, sizeof(info));
+ info.cmd = cmd;
+
+ /* if dhd requested, identify ourselves */
+ if (strcmp(drvname, "?dhd") == 0) {
+ sprintf(info.driver, "dhd");
+ strcpy(info.version, EPI_VERSION_STR);
+ }
+
+ /* otherwise, require dongle to be up */
+ else if (!dhd->pub.up) {
+ DHD_ERROR(("%s: dongle is not up\n", __func__));
+ return -ENODEV;
+ }
+
+ /* finally, report dongle driver type */
+ else if (dhd->pub.iswl)
+ sprintf(info.driver, "wl");
+ else
+ sprintf(info.driver, "xx");
+
+ sprintf(info.version, "%lu", dhd->pub.drv_version);
+ if (copy_to_user(uaddr, &info, sizeof(info)))
+ return -EFAULT;
+ DHD_CTL(("%s: given %*s, returning %s\n", __func__,
+ (int)sizeof(drvname), drvname, info.driver));
+ break;
+
+#ifdef TOE
+ /* Get toe offload components from dongle */
+ case ETHTOOL_GRXCSUM:
+ case ETHTOOL_GTXCSUM:
+ ret = dhd_toe_get(dhd, 0, &toe_cmpnt);
+ if (ret < 0)
+ return ret;
+
+ csum_dir =
+ (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL;
+
+ edata.cmd = cmd;
+ edata.data = (toe_cmpnt & csum_dir) ? 1 : 0;
+
+ if (copy_to_user(uaddr, &edata, sizeof(edata)))
+ return -EFAULT;
+ break;
+
+ /* Set toe offload components in dongle */
+ case ETHTOOL_SRXCSUM:
+ case ETHTOOL_STXCSUM:
+ if (copy_from_user(&edata, uaddr, sizeof(edata)))
+ return -EFAULT;
+
+ /* Read the current settings, update and write back */
+ ret = dhd_toe_get(dhd, 0, &toe_cmpnt);
+ if (ret < 0)
+ return ret;
+
+ csum_dir =
+ (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL;
+
+ if (edata.data != 0)
+ toe_cmpnt |= csum_dir;
+ else
+ toe_cmpnt &= ~csum_dir;
+
+ ret = dhd_toe_set(dhd, 0, toe_cmpnt);
+ if (ret < 0)
+ return ret;
+
+ /* If setting TX checksum mode, tell Linux the new mode */
+ if (cmd == ETHTOOL_STXCSUM) {
+ if (edata.data)
+ dhd->iflist[0]->net->features |=
+ NETIF_F_IP_CSUM;
+ else
+ dhd->iflist[0]->net->features &=
+ ~NETIF_F_IP_CSUM;
+ }
+
+ break;
+#endif /* TOE */
+
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static s16 linuxbcmerrormap[] = { 0, /* 0 */
+ -EINVAL, /* BCME_ERROR */
+ -EINVAL, /* BCME_BADARG */
+ -EINVAL, /* BCME_BADOPTION */
+ -EINVAL, /* BCME_NOTUP */
+ -EINVAL, /* BCME_NOTDOWN */
+ -EINVAL, /* BCME_NOTAP */
+ -EINVAL, /* BCME_NOTSTA */
+ -EINVAL, /* BCME_BADKEYIDX */
+ -EINVAL, /* BCME_RADIOOFF */
+ -EINVAL, /* BCME_NOTBANDLOCKED */
+ -EINVAL, /* BCME_NOCLK */
+ -EINVAL, /* BCME_BADRATESET */
+ -EINVAL, /* BCME_BADBAND */
+ -E2BIG, /* BCME_BUFTOOSHORT */
+ -E2BIG, /* BCME_BUFTOOLONG */
+ -EBUSY, /* BCME_BUSY */
+ -EINVAL, /* BCME_NOTASSOCIATED */
+ -EINVAL, /* BCME_BADSSIDLEN */
+ -EINVAL, /* BCME_OUTOFRANGECHAN */
+ -EINVAL, /* BCME_BADCHAN */
+ -EFAULT, /* BCME_BADADDR */
+ -ENOMEM, /* BCME_NORESOURCE */
+ -EOPNOTSUPP, /* BCME_UNSUPPORTED */
+ -EMSGSIZE, /* BCME_BADLENGTH */
+ -EINVAL, /* BCME_NOTREADY */
+ -EPERM, /* BCME_NOTPERMITTED */
+ -ENOMEM, /* BCME_NOMEM */
+ -EINVAL, /* BCME_ASSOCIATED */
+ -ERANGE, /* BCME_RANGE */
+ -EINVAL, /* BCME_NOTFOUND */
+ -EINVAL, /* BCME_WME_NOT_ENABLED */
+ -EINVAL, /* BCME_TSPEC_NOTFOUND */
+ -EINVAL, /* BCME_ACM_NOTSUPPORTED */
+ -EINVAL, /* BCME_NOT_WME_ASSOCIATION */
+ -EIO, /* BCME_SDIO_ERROR */
+ -ENODEV, /* BCME_DONGLE_DOWN */
+ -EINVAL, /* BCME_VERSION */
+ -EIO, /* BCME_TXFAIL */
+ -EIO, /* BCME_RXFAIL */
+ -EINVAL, /* BCME_NODEVICE */
+ -EINVAL, /* BCME_NMODE_DISABLED */
+ -ENODATA, /* BCME_NONRESIDENT */
+};
+
+static int dhd_ioctl_entry(struct net_device *net, struct ifreq *ifr, int cmd)
+{
+ dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net);
+ dhd_ioctl_t ioc;
+ int bcmerror = 0;
+ int buflen = 0;
+ void *buf = NULL;
+ uint driver = 0;
+ int ifidx;
+ bool is_set_key_cmd;
+
+ ifidx = dhd_net2idx(dhd, net);
+ DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __func__, ifidx, cmd));
+
+ if (ifidx == DHD_BAD_IF)
+ return -1;
+
+#if defined(CONFIG_WIRELESS_EXT)
+ /* linux wireless extensions */
+ if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) {
+ /* may recurse, do NOT lock */
+ return wl_iw_ioctl(net, ifr, cmd);
+ }
+#endif /* defined(CONFIG_WIRELESS_EXT) */
+
+ if (cmd == SIOCETHTOOL)
+ return dhd_ethtool(dhd, (void *)ifr->ifr_data);
+
+ if (cmd != SIOCDEVPRIVATE)
+ return -EOPNOTSUPP;
+
+ memset(&ioc, 0, sizeof(ioc));
+
+ /* Copy the ioc control structure part of ioctl request */
+ if (copy_from_user(&ioc, ifr->ifr_data, sizeof(wl_ioctl_t))) {
+ bcmerror = -BCME_BADADDR;
+ goto done;
+ }
+
+ /* Copy out any buffer passed */
+ if (ioc.buf) {
+ buflen = min_t(int, ioc.len, DHD_IOCTL_MAXLEN);
+ /* optimization for direct ioctl calls from kernel */
+ /*
+ if (segment_eq(get_fs(), KERNEL_DS)) {
+ buf = ioc.buf;
+ } else {
+ */
+ {
+ buf = kmalloc(buflen, GFP_ATOMIC);
+ if (!buf) {
+ bcmerror = -BCME_NOMEM;
+ goto done;
+ }
+ if (copy_from_user(buf, ioc.buf, buflen)) {
+ bcmerror = -BCME_BADADDR;
+ goto done;
+ }
+ }
+ }
+
+ /* To differentiate between wl and dhd read 4 more byes */
+ if ((copy_from_user(&driver, (char *)ifr->ifr_data + sizeof(wl_ioctl_t),
+ sizeof(uint)) != 0)) {
+ bcmerror = -BCME_BADADDR;
+ goto done;
+ }
+
+ if (!capable(CAP_NET_ADMIN)) {
+ bcmerror = -BCME_EPERM;
+ goto done;
+ }
+
+ /* check for local dhd ioctl and handle it */
+ if (driver == DHD_IOCTL_MAGIC) {
+ bcmerror = dhd_ioctl((void *)&dhd->pub, &ioc, buf, buflen);
+ if (bcmerror)
+ dhd->pub.bcmerror = bcmerror;
+ goto done;
+ }
+
+ /* send to dongle (must be up, and wl) */
+ if ((dhd->pub.busstate != DHD_BUS_DATA)) {
+ DHD_ERROR(("%s DONGLE_DOWN,__func__\n", __func__));
+ bcmerror = BCME_DONGLE_DOWN;
+ goto done;
+ }
+
+ if (!dhd->pub.iswl) {
+ bcmerror = BCME_DONGLE_DOWN;
+ goto done;
+ }
+
+ /* Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to
+ * prevent M4 encryption.
+ */
+ is_set_key_cmd = ((ioc.cmd == WLC_SET_KEY) ||
+ ((ioc.cmd == WLC_SET_VAR) &&
+ !(strncmp("wsec_key", ioc.buf, 9))) ||
+ ((ioc.cmd == WLC_SET_VAR) &&
+ !(strncmp("bsscfg:wsec_key", ioc.buf, 15))));
+ if (is_set_key_cmd)
+ dhd_wait_pend8021x(net);
+
+ WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_IOCTL, "dhd_ioctl_entry");
+ WAKE_LOCK(&dhd->pub, WAKE_LOCK_IOCTL);
+
+ bcmerror =
+ dhd_prot_ioctl(&dhd->pub, ifidx, (wl_ioctl_t *)&ioc, buf, buflen);
+
+ WAKE_UNLOCK(&dhd->pub, WAKE_LOCK_IOCTL);
+ WAKE_LOCK_DESTROY(&dhd->pub, WAKE_LOCK_IOCTL);
+done:
+ if (!bcmerror && buf && ioc.buf) {
+ if (copy_to_user(ioc.buf, buf, buflen))
+ bcmerror = -EFAULT;
+ }
+
+ if (buf)
+ kfree(buf);
+
+ if (bcmerror > 0)
+ bcmerror = 0;
+ else if (bcmerror < BCME_LAST)
+ bcmerror = BCME_ERROR;
+
+ return linuxbcmerrormap[-bcmerror];
+}
+
+static int dhd_stop(struct net_device *net)
+{
+#if !defined(IGNORE_ETH0_DOWN)
+ dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net);
+
+ DHD_TRACE(("%s: Enter\n", __func__));
+ if (IS_CFG80211_FAVORITE()) {
+ wl_cfg80211_down();
+ }
+ if (dhd->pub.up == 0)
+ return 0;
+
+ /* Set state and stop OS transmissions */
+ dhd->pub.up = 0;
+ netif_stop_queue(net);
+#else
+ DHD_ERROR(("BYPASS %s:due to BRCM compilation : under investigation\n",
+ __func__));
+#endif /* !defined(IGNORE_ETH0_DOWN) */
+
+ return 0;
+}
+
+static int dhd_open(struct net_device *net)
+{
+ dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(net);
+#ifdef TOE
+ u32 toe_ol;
+#endif
+ int ifidx = dhd_net2idx(dhd, net);
+ s32 ret = 0;
+
+ DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx));
+
+ if (ifidx == 0) { /* do it only for primary eth0 */
+
+ /* try to bring up bus */
+ ret = dhd_bus_start(&dhd->pub);
+ if (ret != 0) {
+ DHD_ERROR(("%s: failed with code %d\n", __func__, ret));
+ return -1;
+ }
+ atomic_set(&dhd->pend_8021x_cnt, 0);
+
+ memcpy(net->dev_addr, dhd->pub.mac.octet, ETH_ALEN);
+
+#ifdef TOE
+ /* Get current TOE mode from dongle */
+ if (dhd_toe_get(dhd, ifidx, &toe_ol) >= 0
+ && (toe_ol & TOE_TX_CSUM_OL) != 0)
+ dhd->iflist[ifidx]->net->features |= NETIF_F_IP_CSUM;
+ else
+ dhd->iflist[ifidx]->net->features &= ~NETIF_F_IP_CSUM;
+#endif
+ }
+ /* Allow transmit calls */
+ netif_start_queue(net);
+ dhd->pub.up = 1;
+ if (IS_CFG80211_FAVORITE()) {
+ if (unlikely(wl_cfg80211_up())) {
+ DHD_ERROR(("%s: failed to bring up cfg80211\n",
+ __func__));
+ return -1;
+ }
+ }
+
+ return ret;
+}
+
+struct osl_info *dhd_osl_attach(void *pdev, uint bustype)
+{
+ return osl_attach(pdev, bustype);
+}
+
+void dhd_osl_detach(struct osl_info *osh)
+{
+ osl_detach(osh);
+}
+
+int
+dhd_add_if(dhd_info_t *dhd, int ifidx, void *handle, char *name,
+ u8 *mac_addr, u32 flags, u8 bssidx)
+{
+ dhd_if_t *ifp;
+
+ DHD_TRACE(("%s: idx %d, handle->%p\n", __func__, ifidx, handle));
+
+ ASSERT(dhd && (ifidx < DHD_MAX_IFS));
+
+ ifp = dhd->iflist[ifidx];
+ if (!ifp && !(ifp = kmalloc(sizeof(dhd_if_t), GFP_ATOMIC))) {
+ DHD_ERROR(("%s: OOM - dhd_if_t\n", __func__));
+ return -ENOMEM;
+ }
+
+ memset(ifp, 0, sizeof(dhd_if_t));
+ ifp->info = dhd;
+ dhd->iflist[ifidx] = ifp;
+ strlcpy(ifp->name, name, IFNAMSIZ);
+ if (mac_addr != NULL)
+ memcpy(&ifp->mac_addr, mac_addr, ETH_ALEN);
+
+ if (handle == NULL) {
+ ifp->state = WLC_E_IF_ADD;
+ ifp->idx = ifidx;
+ ASSERT(dhd->sysioc_tsk);
+ up(&dhd->sysioc_sem);
+ } else
+ ifp->net = (struct net_device *)handle;
+
+ return 0;
+}
+
+void dhd_del_if(dhd_info_t *dhd, int ifidx)
+{
+ dhd_if_t *ifp;
+
+ DHD_TRACE(("%s: idx %d\n", __func__, ifidx));
+
+ ASSERT(dhd && ifidx && (ifidx < DHD_MAX_IFS));
+ ifp = dhd->iflist[ifidx];
+ if (!ifp) {
+ DHD_ERROR(("%s: Null interface\n", __func__));
+ return;
+ }
+
+ ifp->state = WLC_E_IF_DEL;
+ ifp->idx = ifidx;
+ ASSERT(dhd->sysioc_tsk);
+ up(&dhd->sysioc_sem);
+}
+
+dhd_pub_t *dhd_attach(struct osl_info *osh, struct dhd_bus *bus,
+ uint bus_hdrlen)
+{
+ dhd_info_t *dhd = NULL;
+ struct net_device *net;
+
+ DHD_TRACE(("%s: Enter\n", __func__));
+ /* updates firmware nvram path if it was provided as module
+ paramters */
+ if ((firmware_path != NULL) && (firmware_path[0] != '\0'))
+ strcpy(fw_path, firmware_path);
+ if ((nvram_path != NULL) && (nvram_path[0] != '\0'))
+ strcpy(nv_path, nvram_path);
+
+ /* Allocate etherdev, including space for private structure */
+ net = alloc_etherdev(sizeof(dhd));
+ if (!net) {
+ DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__));
+ goto fail;
+ }
+
+ /* Allocate primary dhd_info */
+ dhd = kmalloc(sizeof(dhd_info_t), GFP_ATOMIC);
+ if (!dhd) {
+ DHD_ERROR(("%s: OOM - alloc dhd_info\n", __func__));
+ goto fail;
+ }
+
+ memset(dhd, 0, sizeof(dhd_info_t));
+
+ /*
+ * Save the dhd_info into the priv
+ */
+ memcpy(netdev_priv(net), &dhd, sizeof(dhd));
+ dhd->pub.osh = osh;
+
+ /* Set network interface name if it was provided as module parameter */
+ if (iface_name[0]) {
+ int len;
+ char ch;
+ strncpy(net->name, iface_name, IFNAMSIZ);
+ net->name[IFNAMSIZ - 1] = 0;
+ len = strlen(net->name);
+ ch = net->name[len - 1];
+ if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2))
+ strcat(net->name, "%d");
+ }
+
+ if (dhd_add_if(dhd, 0, (void *)net, net->name, NULL, 0, 0) ==
+ DHD_BAD_IF)
+ goto fail;
+
+ net->netdev_ops = NULL;
+ sema_init(&dhd->proto_sem, 1);
+ /* Initialize other structure content */
+ init_waitqueue_head(&dhd->ioctl_resp_wait);
+ init_waitqueue_head(&dhd->ctrl_wait);
+
+ /* Initialize the spinlocks */
+ spin_lock_init(&dhd->sdlock);
+ spin_lock_init(&dhd->txqlock);
+
+ /* Link to info module */
+ dhd->pub.info = dhd;
+
+ /* Link to bus module */
+ dhd->pub.bus = bus;
+ dhd->pub.hdrlen = bus_hdrlen;
+
+ /* Attach and link in the protocol */
+ if (dhd_prot_attach(&dhd->pub) != 0) {
+ DHD_ERROR(("dhd_prot_attach failed\n"));
+ goto fail;
+ }
+#if defined(CONFIG_WIRELESS_EXT)
+ /* Attach and link in the iw */
+ if (wl_iw_attach(net, (void *)&dhd->pub) != 0) {
+ DHD_ERROR(("wl_iw_attach failed\n"));
+ goto fail;
+ }
+#endif /* defined(CONFIG_WIRELESS_EXT) */
+
+ /* Attach and link in the cfg80211 */
+ if (IS_CFG80211_FAVORITE()) {
+ if (unlikely(wl_cfg80211_attach(net, &dhd->pub))) {
+ DHD_ERROR(("wl_cfg80211_attach failed\n"));
+ goto fail;
+ }
+ if (!NO_FW_REQ()) {
+ strcpy(fw_path, wl_cfg80211_get_fwname());
+ strcpy(nv_path, wl_cfg80211_get_nvramname());
+ }
+ wl_cfg80211_dbg_level(DBG_CFG80211_GET());
+ }
+
+ /* Set up the watchdog timer */
+ init_timer(&dhd->timer);
+ dhd->timer.data = (unsigned long) dhd;
+ dhd->timer.function = dhd_watchdog;
+
+ /* Initialize thread based operation and lock */
+ sema_init(&dhd->sdsem, 1);
+ if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0))
+ dhd->threads_only = true;
+ else
+ dhd->threads_only = false;
+
+ if (dhd_dpc_prio >= 0) {
+ /* Initialize watchdog thread */
+ sema_init(&dhd->watchdog_sem, 0);
+ dhd->watchdog_tsk = kthread_run(dhd_watchdog_thread, dhd,
+ "dhd_watchdog");
+ if (IS_ERR(dhd->watchdog_tsk)) {
+ printk(KERN_WARNING
+ "dhd_watchdog thread failed to start\n");
+ dhd->watchdog_tsk = NULL;
+ }
+ } else {
+ dhd->watchdog_tsk = NULL;
+ }
+
+ /* Set up the bottom half handler */
+ if (dhd_dpc_prio >= 0) {
+ /* Initialize DPC thread */
+ sema_init(&dhd->dpc_sem, 0);
+ dhd->dpc_tsk = kthread_run(dhd_dpc_thread, dhd, "dhd_dpc");
+ if (IS_ERR(dhd->dpc_tsk)) {
+ printk(KERN_WARNING
+ "dhd_dpc thread failed to start\n");
+ dhd->dpc_tsk = NULL;
+ }
+ } else {
+ tasklet_init(&dhd->tasklet, dhd_dpc, (unsigned long) dhd);
+ dhd->dpc_tsk = NULL;
+ }
+
+ if (dhd_sysioc) {
+ sema_init(&dhd->sysioc_sem, 0);
+ dhd->sysioc_tsk = kthread_run(_dhd_sysioc_thread, dhd,
+ "_dhd_sysioc");
+ if (IS_ERR(dhd->sysioc_tsk)) {
+ printk(KERN_WARNING
+ "_dhd_sysioc thread failed to start\n");
+ dhd->sysioc_tsk = NULL;
+ }
+ } else
+ dhd->sysioc_tsk = NULL;
+
+ /*
+ * Save the dhd_info into the priv
+ */
+ memcpy(netdev_priv(net), &dhd, sizeof(dhd));
+
+#if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
+ g_bus = bus;
+#endif
+#if defined(CONFIG_PM_SLEEP)
+ register_pm_notifier(&dhd_sleep_pm_notifier);
+#endif /* defined(CONFIG_PM_SLEEP) */
+ /* && defined(DHD_GPL) */
+ /* Init lock suspend to prevent kernel going to suspend */
+ WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_TMOUT, "dhd_wake_lock");
+ WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_LINK_DOWN_TMOUT,
+ "dhd_wake_lock_link_dw_event");
+ WAKE_LOCK_INIT(&dhd->pub, WAKE_LOCK_PNO_FIND_TMOUT,
+ "dhd_wake_lock_link_pno_find_event");
+#ifdef CONFIG_HAS_EARLYSUSPEND
+ dhd->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 20;
+ dhd->early_suspend.suspend = dhd_early_suspend;
+ dhd->early_suspend.resume = dhd_late_resume;
+ register_early_suspend(&dhd->early_suspend);
+#endif
+
+ return &dhd->pub;
+
+fail:
+ if (net)
+ free_netdev(net);
+ if (dhd)
+ dhd_detach(&dhd->pub);
+
+ return NULL;
+}
+
+int dhd_bus_start(dhd_pub_t *dhdp)
+{
+ int ret = -1;
+ dhd_info_t *dhd = (dhd_info_t *) dhdp->info;
+#ifdef EMBEDDED_PLATFORM
+ char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" +
+ '\0' + bitvec */
+#endif /* EMBEDDED_PLATFORM */
+
+ ASSERT(dhd);
+
+ DHD_TRACE(("%s:\n", __func__));
+
+ /* try to download image and nvram to the dongle */
+ if (dhd->pub.busstate == DHD_BUS_DOWN) {
+ WAKE_LOCK_INIT(dhdp, WAKE_LOCK_DOWNLOAD, "dhd_bus_start");
+ WAKE_LOCK(dhdp, WAKE_LOCK_DOWNLOAD);
+ if (!(dhd_bus_download_firmware(dhd->pub.bus, dhd->pub.osh,
+ fw_path, nv_path))) {
+ DHD_ERROR(("%s: dhdsdio_probe_download failed. "
+ "firmware = %s nvram = %s\n",
+ __func__, fw_path, nv_path));
+ WAKE_UNLOCK(dhdp, WAKE_LOCK_DOWNLOAD);
+ WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_DOWNLOAD);
+ return -1;
+ }
+
+ WAKE_UNLOCK(dhdp, WAKE_LOCK_DOWNLOAD);
+ WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_DOWNLOAD);
+ }
+
+ /* Start the watchdog timer */
+ dhd->pub.tickcnt = 0;
+ dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms);
+
+ /* Bring up the bus */
+ ret = dhd_bus_init(&dhd->pub, true);
+ if (ret != 0) {
+ DHD_ERROR(("%s, dhd_bus_init failed %d\n", __func__, ret));
+ return ret;
+ }
+#if defined(OOB_INTR_ONLY)
+ /* Host registration for OOB interrupt */
+ if (bcmsdh_register_oob_intr(dhdp)) {
+ del_timer_sync(&dhd->timer);
+ dhd->wd_timer_valid = false;
+ DHD_ERROR(("%s Host failed to resgister for OOB\n", __func__));
+ return -ENODEV;
+ }
+
+ /* Enable oob at firmware */
+ dhd_enable_oob_intr(dhd->pub.bus, true);
+#endif /* defined(OOB_INTR_ONLY) */
+
+ /* If bus is not ready, can't come up */
+ if (dhd->pub.busstate != DHD_BUS_DATA) {
+ del_timer_sync(&dhd->timer);
+ dhd->wd_timer_valid = false;
+ DHD_ERROR(("%s failed bus is not ready\n", __func__));
+ return -ENODEV;
+ }
+#ifdef EMBEDDED_PLATFORM
+ bcm_mkiovar("event_msgs", dhdp->eventmask, WL_EVENTING_MASK_LEN, iovbuf,
+ sizeof(iovbuf));
+ dhdcdc_query_ioctl(dhdp, 0, WLC_GET_VAR, iovbuf, sizeof(iovbuf));
+ bcopy(iovbuf, dhdp->eventmask, WL_EVENTING_MASK_LEN);
+
+ setbit(dhdp->eventmask, WLC_E_SET_SSID);
+ setbit(dhdp->eventmask, WLC_E_PRUNE);
+ setbit(dhdp->eventmask, WLC_E_AUTH);
+ setbit(dhdp->eventmask, WLC_E_REASSOC);
+ setbit(dhdp->eventmask, WLC_E_REASSOC_IND);
+ setbit(dhdp->eventmask, WLC_E_DEAUTH_IND);
+ setbit(dhdp->eventmask, WLC_E_DISASSOC_IND);
+ setbit(dhdp->eventmask, WLC_E_DISASSOC);
+ setbit(dhdp->eventmask, WLC_E_JOIN);
+ setbit(dhdp->eventmask, WLC_E_ASSOC_IND);
+ setbit(dhdp->eventmask, WLC_E_PSK_SUP);
+ setbit(dhdp->eventmask, WLC_E_LINK);
+ setbit(dhdp->eventmask, WLC_E_NDIS_LINK);
+ setbit(dhdp->eventmask, WLC_E_MIC_ERROR);
+ setbit(dhdp->eventmask, WLC_E_PMKID_CACHE);
+ setbit(dhdp->eventmask, WLC_E_TXFAIL);
+ setbit(dhdp->eventmask, WLC_E_JOIN_START);
+ setbit(dhdp->eventmask, WLC_E_SCAN_COMPLETE);
+#ifdef PNO_SUPPORT
+ setbit(dhdp->eventmask, WLC_E_PFN_NET_FOUND);
+#endif /* PNO_SUPPORT */
+
+/* enable dongle roaming event */
+
+ dhdp->pktfilter_count = 1;
+ /* Setup filter to allow only unicast */
+ dhdp->pktfilter[0] = "100 0 0 0 0x01 0x00";
+#endif /* EMBEDDED_PLATFORM */
+
+ /* Bus is ready, do any protocol initialization */
+ ret = dhd_prot_init(&dhd->pub);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+int
+dhd_iovar(dhd_pub_t *pub, int ifidx, char *name, char *cmd_buf, uint cmd_len,
+ int set)
+{
+ char buf[strlen(name) + 1 + cmd_len];
+ int len = sizeof(buf);
+ wl_ioctl_t ioc;
+ int ret;
+
+ len = bcm_mkiovar(name, cmd_buf, cmd_len, buf, len);
+
+ memset(&ioc, 0, sizeof(ioc));
+
+ ioc.cmd = set ? WLC_SET_VAR : WLC_GET_VAR;
+ ioc.buf = buf;
+ ioc.len = len;
+ ioc.set = set;
+
+ ret = dhd_prot_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len);
+ if (!set && ret >= 0)
+ memcpy(cmd_buf, buf, cmd_len);
+
+ return ret;
+}
+
+static struct net_device_ops dhd_ops_pri = {
+ .ndo_open = dhd_open,
+ .ndo_stop = dhd_stop,
+ .ndo_get_stats = dhd_get_stats,
+ .ndo_do_ioctl = dhd_ioctl_entry,
+ .ndo_start_xmit = dhd_start_xmit,
+ .ndo_set_mac_address = dhd_set_mac_address,
+ .ndo_set_multicast_list = dhd_set_multicast_list
+};
+
+int dhd_net_attach(dhd_pub_t *dhdp, int ifidx)
+{
+ dhd_info_t *dhd = (dhd_info_t *) dhdp->info;
+ struct net_device *net;
+ u8 temp_addr[ETH_ALEN] = {
+ 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33};
+
+ DHD_TRACE(("%s: ifidx %d\n", __func__, ifidx));
+
+ ASSERT(dhd && dhd->iflist[ifidx]);
+
+ net = dhd->iflist[ifidx]->net;
+ ASSERT(net);
+
+ ASSERT(!net->netdev_ops);
+ net->netdev_ops = &dhd_ops_pri;
+
+ /*
+ * We have to use the primary MAC for virtual interfaces
+ */
+ if (ifidx != 0) {
+ /* for virtual interfaces use the primary MAC */
+ memcpy(temp_addr, dhd->pub.mac.octet, ETH_ALEN);
+
+ }
+
+ if (ifidx == 1) {
+ DHD_TRACE(("%s ACCESS POINT MAC: \n", __func__));
+ /* ACCESSPOINT INTERFACE CASE */
+ temp_addr[0] |= 0X02; /* set bit 2 ,
+ - Locally Administered address */
+
+ }
+ net->hard_header_len = ETH_HLEN + dhd->pub.hdrlen;
+ net->ethtool_ops = &dhd_ethtool_ops;
+
+#if defined(CONFIG_WIRELESS_EXT)
+ if (!IS_CFG80211_FAVORITE()) {
+#if WIRELESS_EXT < 19
+ net->get_wireless_stats = dhd_get_wireless_stats;
+#endif /* WIRELESS_EXT < 19 */
+#if WIRELESS_EXT > 12
+ net->wireless_handlers =
+ (struct iw_handler_def *)&wl_iw_handler_def;
+#endif /* WIRELESS_EXT > 12 */
+ }
+#endif /* defined(CONFIG_WIRELESS_EXT) */
+
+ dhd->pub.rxsz = net->mtu + net->hard_header_len + dhd->pub.hdrlen;
+
+ memcpy(net->dev_addr, temp_addr, ETH_ALEN);
+
+ if (register_netdev(net) != 0) {
+ DHD_ERROR(("%s: couldn't register the net device\n",
+ __func__));
+ goto fail;
+ }
+
+ printf("%s: Broadcom Dongle Host Driver\n", net->name);
+
+ return 0;
+
+fail:
+ net->netdev_ops = NULL;
+ return BCME_ERROR;
+}
+
+void dhd_bus_detach(dhd_pub_t *dhdp)
+{
+ dhd_info_t *dhd;
+
+ DHD_TRACE(("%s: Enter\n", __func__));
+
+ if (dhdp) {
+ dhd = (dhd_info_t *) dhdp->info;
+ if (dhd) {
+ /* Stop the protocol module */
+ dhd_prot_stop(&dhd->pub);
+
+ /* Stop the bus module */
+ dhd_bus_stop(dhd->pub.bus, true);
+#if defined(OOB_INTR_ONLY)
+ bcmsdh_unregister_oob_intr();
+#endif /* defined(OOB_INTR_ONLY) */
+
+ /* Clear the watchdog timer */
+ del_timer_sync(&dhd->timer);
+ dhd->wd_timer_valid = false;
+ }
+ }
+}
+
+void dhd_detach(dhd_pub_t *dhdp)
+{
+ dhd_info_t *dhd;
+
+ DHD_TRACE(("%s: Enter\n", __func__));
+
+ if (dhdp) {
+ dhd = (dhd_info_t *) dhdp->info;
+ if (dhd) {
+ dhd_if_t *ifp;
+ int i;
+
+#if defined(CONFIG_HAS_EARLYSUSPEND)
+ if (dhd->early_suspend.suspend)
+ unregister_early_suspend(&dhd->early_suspend);
+#endif /* defined(CONFIG_HAS_EARLYSUSPEND) */
+
+ for (i = 1; i < DHD_MAX_IFS; i++)
+ if (dhd->iflist[i])
+ dhd_del_if(dhd, i);
+
+ ifp = dhd->iflist[0];
+ ASSERT(ifp);
+ if (ifp->net->netdev_ops == &dhd_ops_pri) {
+ dhd_stop(ifp->net);
+ unregister_netdev(ifp->net);
+ }
+
+ if (dhd->watchdog_tsk) {
+ send_sig(SIGTERM, dhd->watchdog_tsk, 1);
+ kthread_stop(dhd->watchdog_tsk);
+ dhd->watchdog_tsk = NULL;
+ }
+
+ if (dhd->dpc_tsk) {
+ send_sig(SIGTERM, dhd->dpc_tsk, 1);
+ kthread_stop(dhd->dpc_tsk);
+ dhd->dpc_tsk = NULL;
+ } else
+ tasklet_kill(&dhd->tasklet);
+
+ if (dhd->sysioc_tsk) {
+ send_sig(SIGTERM, dhd->sysioc_tsk, 1);
+ kthread_stop(dhd->sysioc_tsk);
+ dhd->sysioc_tsk = NULL;
+ }
+
+ dhd_bus_detach(dhdp);
+
+ if (dhdp->prot)
+ dhd_prot_detach(dhdp);
+
+#if defined(CONFIG_WIRELESS_EXT)
+ wl_iw_detach();
+#endif /* (CONFIG_WIRELESS_EXT) */
+
+ if (IS_CFG80211_FAVORITE())
+ wl_cfg80211_detach();
+
+#if defined(CONFIG_PM_SLEEP)
+ unregister_pm_notifier(&dhd_sleep_pm_notifier);
+#endif /* defined(CONFIG_PM_SLEEP) */
+ /* && defined(DHD_GPL) */
+ WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_TMOUT);
+ WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_LINK_DOWN_TMOUT);
+ WAKE_LOCK_DESTROY(dhdp, WAKE_LOCK_PNO_FIND_TMOUT);
+ free_netdev(ifp->net);
+ kfree(ifp);
+ kfree(dhd);
+ }
+ }
+}
+
+static void __exit dhd_module_cleanup(void)
+{
+ DHD_TRACE(("%s: Enter\n", __func__));
+
+ dhd_bus_unregister();
+#if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
+ wifi_del_dev();
+#endif
+ /* Call customer gpio to turn off power with WL_REG_ON signal */
+ dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF);
+}
+
+static int __init dhd_module_init(void)
+{
+ int error;
+
+ DHD_TRACE(("%s: Enter\n", __func__));
+
+ /* Sanity check on the module parameters */
+ do {
+ /* Both watchdog and DPC as tasklets are ok */
+ if ((dhd_watchdog_prio < 0) && (dhd_dpc_prio < 0))
+ break;
+
+ /* If both watchdog and DPC are threads, TX must be deferred */
+ if ((dhd_watchdog_prio >= 0) && (dhd_dpc_prio >= 0)
+ && dhd_deferred_tx)
+ break;
+
+ DHD_ERROR(("Invalid module parameters.\n"));
+ return -EINVAL;
+ } while (0);
+ /* Call customer gpio to turn on power with WL_REG_ON signal */
+ dhd_customer_gpio_wlan_ctrl(WLAN_POWER_ON);
+
+#if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC)
+ sema_init(&wifi_control_sem, 0);
+
+ error = wifi_add_dev();
+ if (error) {
+ DHD_ERROR(("%s: platform_driver_register failed\n", __func__));
+ goto faild;
+ }
+
+ /* Waiting callback after platform_driver_register is done or
+ exit with error */
+ if (down_timeout(&wifi_control_sem, msecs_to_jiffies(1000)) != 0) {
+ printk(KERN_ERR "%s: platform_driver_register timeout\n",
+ __func__);
+ /* remove device */
+ wifi_del_dev();
+ goto faild;
+ }
+#endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */
+
+ error = dhd_bus_register();
+
+ if (!error)
+ printf("\n%s\n", dhd_version);
+ else {
+ DHD_ERROR(("%s: sdio_register_driver failed\n", __func__));
+ goto faild;
+ }
+ return error;
+
+faild:
+ /* turn off power and exit */
+ dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF);
+ return -EINVAL;
+}
+
+module_init(dhd_module_init);
+module_exit(dhd_module_cleanup);
+
+/*
+ * OS specific functions required to implement DHD driver in OS independent way
+ */
+int dhd_os_proto_block(dhd_pub_t *pub)
+{
+ dhd_info_t *dhd = (dhd_info_t *) (pub->info);
+
+ if (dhd) {
+ down(&dhd->proto_sem);
+ return 1;
+ }
+ return 0;
+}
+
+int dhd_os_proto_unblock(dhd_pub_t *pub)
+{
+ dhd_info_t *dhd = (dhd_info_t *) (pub->info);
+
+ if (dhd) {
+ up(&dhd->proto_sem);
+ return 1;
+ }
+
+ return 0;
+}
+
+unsigned int dhd_os_get_ioctl_resp_timeout(void)
+{
+ return (unsigned int)dhd_ioctl_timeout_msec;
+}
+
+void dhd_os_set_ioctl_resp_timeout(unsigned int timeout_msec)
+{
+ dhd_ioctl_timeout_msec = (int)timeout_msec;
+}
+
+int dhd_os_ioctl_resp_wait(dhd_pub_t *pub, uint *condition, bool *pending)
+{
+ dhd_info_t *dhd = (dhd_info_t *) (pub->info);
+ DECLARE_WAITQUEUE(wait, current);
+ int timeout = dhd_ioctl_timeout_msec;
+
+ /* Convert timeout in millsecond to jiffies */
+ timeout = timeout * HZ / 1000;
+
+ /* Wait until control frame is available */
+ add_wait_queue(&dhd->ioctl_resp_wait, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+
+ while (!(*condition) && (!signal_pending(current) && timeout))
+ timeout = schedule_timeout(timeout);
+
+ if (signal_pending(current))
+ *pending = true;
+
+ set_current_state(TASK_RUNNING);
+ remove_wait_queue(&dhd->ioctl_resp_wait, &wait);
+
+ return timeout;
+}
+
+int dhd_os_ioctl_resp_wake(dhd_pub_t *pub)
+{
+ dhd_info_t *dhd = (dhd_info_t *) (pub->info);
+
+ if (waitqueue_active(&dhd->ioctl_resp_wait))
+ wake_up_interruptible(&dhd->ioctl_resp_wait);
+
+ return 0;
+}
+
+void dhd_os_wd_timer(void *bus, uint wdtick)
+{
+ dhd_pub_t *pub = bus;
+ static uint save_dhd_watchdog_ms;
+ dhd_info_t *dhd = (dhd_info_t *) pub->info;
+
+ /* don't start the wd until fw is loaded */
+ if (pub->busstate == DHD_BUS_DOWN)
+ return;
+
+ /* Totally stop the timer */
+ if (!wdtick && dhd->wd_timer_valid == true) {
+ del_timer_sync(&dhd->timer);
+ dhd->wd_timer_valid = false;
+ save_dhd_watchdog_ms = wdtick;
+ return;
+ }
+
+ if (wdtick) {
+ dhd_watchdog_ms = (uint) wdtick;
+
+ if (save_dhd_watchdog_ms != dhd_watchdog_ms) {
+
+ if (dhd->wd_timer_valid == true)
+ /* Stop timer and restart at new value */
+ del_timer_sync(&dhd->timer);
+
+ /* Create timer again when watchdog period is
+ dynamically changed or in the first instance
+ */
+ dhd->timer.expires =
+ jiffies + dhd_watchdog_ms * HZ / 1000;
+ add_timer(&dhd->timer);
+
+ } else {
+ /* Re arm the timer, at last watchdog period */
+ mod_timer(&dhd->timer,
+ jiffies + dhd_watchdog_ms * HZ / 1000);
+ }
+
+ dhd->wd_timer_valid = true;
+ save_dhd_watchdog_ms = wdtick;
+ }
+}
+
+void *dhd_os_open_image(char *filename)
+{
+ struct file *fp;
+
+ if (IS_CFG80211_FAVORITE() && !NO_FW_REQ())
+ return wl_cfg80211_request_fw(filename);
+
+ fp = filp_open(filename, O_RDONLY, 0);
+ /*
+ * 2.6.11 (FC4) supports filp_open() but later revs don't?
+ * Alternative:
+ * fp = open_namei(AT_FDCWD, filename, O_RD, 0);
+ * ???
+ */
+ if (IS_ERR(fp))
+ fp = NULL;
+
+ return fp;
+}
+
+int dhd_os_get_image_block(char *buf, int len, void *image)
+{
+ struct file *fp = (struct file *)image;
+ int rdlen;
+
+ if (IS_CFG80211_FAVORITE() && !NO_FW_REQ())
+ return wl_cfg80211_read_fw(buf, len);
+
+ if (!image)
+ return 0;
+
+ rdlen = kernel_read(fp, fp->f_pos, buf, len);
+ if (rdlen > 0)
+ fp->f_pos += rdlen;
+
+ return rdlen;
+}
+
+void dhd_os_close_image(void *image)
+{
+ if (IS_CFG80211_FAVORITE() && !NO_FW_REQ())
+ return wl_cfg80211_release_fw();
+ if (image)
+ filp_close((struct file *)image, NULL);
+}
+
+void dhd_os_sdlock(dhd_pub_t *pub)
+{
+ dhd_info_t *dhd;
+
+ dhd = (dhd_info_t *) (pub->info);
+
+ if (dhd->threads_only)
+ down(&dhd->sdsem);
+ else
+ spin_lock_bh(&dhd->sdlock);
+}
+
+void dhd_os_sdunlock(dhd_pub_t *pub)
+{
+ dhd_info_t *dhd;
+
+ dhd = (dhd_info_t *) (pub->info);
+
+ if (dhd->threads_only)
+ up(&dhd->sdsem);
+ else
+ spin_unlock_bh(&dhd->sdlock);
+}
+
+void dhd_os_sdlock_txq(dhd_pub_t *pub)
+{
+ dhd_info_t *dhd;
+
+ dhd = (dhd_info_t *) (pub->info);
+ spin_lock_bh(&dhd->txqlock);
+}
+
+void dhd_os_sdunlock_txq(dhd_pub_t *pub)
+{
+ dhd_info_t *dhd;
+
+ dhd = (dhd_info_t *) (pub->info);
+ spin_unlock_bh(&dhd->txqlock);
+}
+
+void dhd_os_sdlock_rxq(dhd_pub_t *pub)
+{
+}
+
+void dhd_os_sdunlock_rxq(dhd_pub_t *pub)
+{
+}
+
+void dhd_os_sdtxlock(dhd_pub_t *pub)
+{
+ dhd_os_sdlock(pub);
+}
+
+void dhd_os_sdtxunlock(dhd_pub_t *pub)
+{
+ dhd_os_sdunlock(pub);
+}
+
+#if defined(CONFIG_WIRELESS_EXT)
+struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev)
+{
+ int res = 0;
+ dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev);
+
+ res = wl_iw_get_wireless_stats(dev, &dhd->iw.wstats);
+
+ if (res == 0)
+ return &dhd->iw.wstats;
+ else
+ return NULL;
+}
+#endif /* defined(CONFIG_WIRELESS_EXT) */
+
+static int
+dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata,
+ wl_event_msg_t *event, void **data)
+{
+ int bcmerror = 0;
+
+ ASSERT(dhd != NULL);
+
+ bcmerror = wl_host_event(dhd, ifidx, pktdata, event, data);
+ if (bcmerror != BCME_OK)
+ return bcmerror;
+
+#if defined(CONFIG_WIRELESS_EXT)
+ if (!IS_CFG80211_FAVORITE()) {
+ if ((dhd->iflist[*ifidx] == NULL)
+ || (dhd->iflist[*ifidx]->net == NULL)) {
+ DHD_ERROR(("%s Exit null pointer\n", __func__));
+ return bcmerror;
+ }
+
+ if (dhd->iflist[*ifidx]->net)
+ wl_iw_event(dhd->iflist[*ifidx]->net, event, *data);
+ }
+#endif /* defined(CONFIG_WIRELESS_EXT) */
+
+ if (IS_CFG80211_FAVORITE()) {
+ ASSERT(dhd->iflist[*ifidx] != NULL);
+ ASSERT(dhd->iflist[*ifidx]->net != NULL);
+ if (dhd->iflist[*ifidx]->net)
+ wl_cfg80211_event(dhd->iflist[*ifidx]->net, event,
+ *data);
+ }
+
+ return bcmerror;
+}
+
+/* send up locally generated event */
+void dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event, void *data)
+{
+ switch (ntoh32(event->event_type)) {
+ default:
+ break;
+ }
+}
+
+void dhd_wait_for_event(dhd_pub_t *dhd, bool *lockvar)
+{
+ struct dhd_info *dhdinfo = dhd->info;
+ dhd_os_sdunlock(dhd);
+ wait_event_interruptible_timeout(dhdinfo->ctrl_wait,
+ (*lockvar == false), HZ * 2);
+ dhd_os_sdlock(dhd);
+ return;
+}
+
+void dhd_wait_event_wakeup(dhd_pub_t *dhd)
+{
+ struct dhd_info *dhdinfo = dhd->info;
+ if (waitqueue_active(&dhdinfo->ctrl_wait))
+ wake_up_interruptible(&dhdinfo->ctrl_wait);
+ return;
+}
+
+int dhd_dev_reset(struct net_device *dev, u8 flag)
+{
+ dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+
+ /* Turning off watchdog */
+ if (flag)
+ dhd_os_wd_timer(&dhd->pub, 0);
+
+ dhd_bus_devreset(&dhd->pub, flag);
+
+ /* Turning on watchdog back */
+ if (!flag)
+ dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms);
+ DHD_ERROR(("%s: WLAN OFF DONE\n", __func__));
+
+ return 1;
+}
+
+int net_os_set_suspend_disable(struct net_device *dev, int val)
+{
+ dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+ int ret = 0;
+
+ if (dhd) {
+ ret = dhd->pub.suspend_disable_flag;
+ dhd->pub.suspend_disable_flag = val;
+ }
+ return ret;
+}
+
+int net_os_set_suspend(struct net_device *dev, int val)
+{
+ int ret = 0;
+#if defined(CONFIG_HAS_EARLYSUSPEND)
+ dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+
+ if (dhd) {
+ dhd_os_proto_block(&dhd->pub);
+ ret = dhd_set_suspend(val, &dhd->pub);
+ dhd_os_proto_unblock(&dhd->pub);
+ }
+#endif /* defined(CONFIG_HAS_EARLYSUSPEND) */
+ return ret;
+}
+
+int net_os_set_dtim_skip(struct net_device *dev, int val)
+{
+ dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev);
+
+ if (dhd)
+ dhd->pub.dtim_skip = val;
+
+ return 0;
+}
+
+int net_os_set_packet_filter(struct net_device *dev, int val)
+{
+ dhd_info_t *dhd = *(dhd_info_t **) netdev_priv(dev);
+ int ret = 0;
+
+ /* Packet filtering is set only if we still in early-suspend and
+ * we need either to turn it ON or turn it OFF
+ * We can always turn it OFF in case of early-suspend, but we turn it
+ * back ON only if suspend_disable_flag was not set
+ */
+ if (dhd && dhd->pub.up) {
+ dhd_os_proto_block(&dhd->pub);
+ if (dhd->pub.in_suspend) {
+ if (!val || (val && !dhd->pub.suspend_disable_flag))
+ dhd_set_packet_filter(val, &dhd->pub);
+ }
+ dhd_os_proto_unblock(&dhd->pub);
+ }
+ return ret;
+}
+
+void dhd_dev_init_ioctl(struct net_device *dev)
+{
+ dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+
+ dhd_preinit_ioctls(&dhd->pub);
+}
+
+#ifdef PNO_SUPPORT
+/* Linux wrapper to call common dhd_pno_clean */
+int dhd_dev_pno_reset(struct net_device *dev)
+{
+ dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+
+ return dhd_pno_clean(&dhd->pub);
+}
+
+/* Linux wrapper to call common dhd_pno_enable */
+int dhd_dev_pno_enable(struct net_device *dev, int pfn_enabled)
+{
+ dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+
+ return dhd_pno_enable(&dhd->pub, pfn_enabled);
+}
+
+/* Linux wrapper to call common dhd_pno_set */
+int
+dhd_dev_pno_set(struct net_device *dev, wlc_ssid_t *ssids_local, int nssid,
+ unsigned char scan_fr)
+{
+ dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+
+ return dhd_pno_set(&dhd->pub, ssids_local, nssid, scan_fr);
+}
+
+/* Linux wrapper to get pno status */
+int dhd_dev_get_pno_status(struct net_device *dev)
+{
+ dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+
+ return dhd_pno_get_status(&dhd->pub);
+}
+
+#endif /* PNO_SUPPORT */
+
+static int dhd_get_pend_8021x_cnt(dhd_info_t *dhd)
+{
+ return atomic_read(&dhd->pend_8021x_cnt);
+}
+
+#define MAX_WAIT_FOR_8021X_TX 10
+
+int dhd_wait_pend8021x(struct net_device *dev)
+{
+ dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev);
+ int timeout = 10 * HZ / 1000;
+ int ntimes = MAX_WAIT_FOR_8021X_TX;
+ int pend = dhd_get_pend_8021x_cnt(dhd);
+
+ while (ntimes && pend) {
+ if (pend) {
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(timeout);
+ set_current_state(TASK_RUNNING);
+ ntimes--;
+ }
+ pend = dhd_get_pend_8021x_cnt(dhd);
+ }
+ return pend;
+}
+
+#ifdef DHD_DEBUG
+int write_to_file(dhd_pub_t *dhd, u8 *buf, int size)
+{
+ int ret = 0;
+ struct file *fp;
+ mm_segment_t old_fs;
+ loff_t pos = 0;
+
+ /* change to KERNEL_DS address limit */
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+ /* open file to write */
+ fp = filp_open("/tmp/mem_dump", O_WRONLY | O_CREAT, 0640);
+ if (!fp) {
+ printf("%s: open file error\n", __func__);
+ ret = -1;
+ goto exit;
+ }
+
+ /* Write buf to file */
+ fp->f_op->write(fp, buf, size, &pos);
+
+exit:
+ /* free buf before return */
+ kfree(buf);
+ /* close file before return */
+ if (fp)
+ filp_close(fp, current->files);
+ /* restore previous address limit */
+ set_fs(old_fs);
+
+ return ret;
+}
+#endif /* DHD_DEBUG */
projects / mv-sheeva.git / blobdiff