diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmfmac/dhd_linux.c')
| -rw-r--r-- | drivers/staging/brcm80211/brcmfmac/dhd_linux.c | 2862 |
1 files changed, 0 insertions, 2862 deletions
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c deleted file mode 100644 index f356c564cfb9..000000000000 --- a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c +++ /dev/null @@ -1,2862 +0,0 @@ -/* - * 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 <bcmutils.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" -#define ETH_P_BRCM 0x886c - -#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 = KBUILD_MODNAME, - } -}; - -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> -atomic_t dhd_mmc_suspend; -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; - u8 macvalue[ETH_ALEN]; - 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] = "wlan"; -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 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: - atomic_set(&dhd_mmc_suspend, true); - return NOTIFY_OK; - case PM_POST_HIBERNATION: - case PM_POST_SUSPEND: - atomic_set(&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 third 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 = cpu_to_le32(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 = cpu_to_le32(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), - le32_to_cpu(allmulti))); - } - - kfree(buf); - - /* Finally, pick up the PROMISC flag as well, like the NIC - driver does */ - - allmulti = (dev->flags & IFF_PROMISC) ? true : false; - allmulti = cpu_to_le32(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), - le32_to_cpu(allmulti))); - } -} - -static int -_dhd_set_mac_address(dhd_info_t *dhd, int ifidx, u8 *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 ethhdr *eh = (struct ethhdr *)pktdata; - - if (is_multicast_ether_addr(eh->h_dest)) - dhdp->tx_multicast++; - if (ntohs(eh->h_proto) == 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 - ret = dhd_bus_txdata(dhdp->bus, pktbuf); -#endif /* BCMDBUS */ - - return ret; -} - -static inline void * -osl_pkt_frmnative(struct sk_buff *skb) -{ - return (void *)skb; -} -#define PKTFRMNATIVE(osh, skb) \ - osl_pkt_frmnative((struct sk_buff *)(skb)) - -static inline struct sk_buff * -osl_pkt_tonative(void *pkt) -{ - return (struct sk_buff *)pkt; -} -#define PKTTONATIVE(osh, pkt) \ - osl_pkt_tonative((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 (ntohs(skb->protocol) == ETH_P_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 ethhdr *eh; - u16 type; - - dhd_prot_hdrpull(dhdp, &ifidx, txp); - - eh = (struct ethhdr *)(txp->data); - type = ntohs(eh->h_proto); - - 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; - - /* 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) { - /* Call the bus module watchdog */ - dhd_bus_watchdog(&dhd->pub); - } - /* Count the tick for reference */ - dhd->pub.tickcnt++; - } else - break; - } - 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; - - /* 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) { - if (dhd_bus_dpc(dhd->pub.bus)) { - up(&dhd->dpc_sem); - } - } else { - dhd_bus_stop(dhd->pub.bus, true); - } - } else - break; - } - 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 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 = -EINVAL; - 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 = -ENOMEM; - goto done; - } - if (copy_from_user(buf, ioc.buf, buflen)) { - bcmerror = -EINVAL; - 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 = -EINVAL; - goto done; - } - - if (!capable(CAP_NET_ADMIN)) { - bcmerror = -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 = -EIO; - goto done; - } - - if (!dhd->pub.iswl) { - bcmerror = -EIO; - 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); - - bcmerror = - dhd_prot_ioctl(&dhd->pub, ifidx, (wl_ioctl_t *)&ioc, buf, buflen); - -done: - if (!bcmerror && buf && ioc.buf) { - if (copy_to_user(ioc.buf, buf, buflen)) - bcmerror = -EFAULT; - } - - kfree(buf); - - if (bcmerror > 0) - bcmerror = 0; - - return 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, 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; -} - -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 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 = kzalloc(sizeof(dhd_info_t), GFP_ATOMIC); - if (!dhd) { - DHD_ERROR(("%s: OOM - alloc dhd_info\n", __func__)); - goto fail; - } - - /* - * Save the dhd_info into the priv - */ - memcpy(netdev_priv(net), &dhd, sizeof(dhd)); - - /* 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()); - } - } - - /* 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) - atomic_set(&dhd_mmc_suspend, false); - if (!IS_CFG80211_FAVORITE()) - register_pm_notifier(&dhd_sleep_pm_notifier); -#endif /* defined(CONFIG_PM_SLEEP) */ - /* && defined(DHD_GPL) */ - /* Init lock suspend to prevent kernel going to suspend */ -#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) { - if (!(dhd_bus_download_firmware(dhd->pub.bus, - fw_path, nv_path))) { - DHD_ERROR(("%s: dhdsdio_probe_download failed. " - "firmware = %s nvram = %s\n", - __func__, fw_path, nv_path)); - return -1; - } - } - - /* 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)); - memcpy(dhdp->eventmask, iovbuf, 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, 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; - - 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; - } - - DHD_INFO(("%s: Broadcom Dongle Host Driver\n", net->name)); - - return 0; - -fail: - net->netdev_ops = NULL; - return -EBADE; -} - -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) - if (!IS_CFG80211_FAVORITE()) - unregister_pm_notifier(&dhd_sleep_pm_notifier); -#endif /* defined(CONFIG_PM_SLEEP) */ - /* && defined(DHD_GPL) */ - 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 failed; - } - - /* 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 failed; - } -#endif /* #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) */ - - error = dhd_bus_register(); - - if (error) { - DHD_ERROR(("%s: sdio_register_driver failed\n", __func__)); - goto failed; - } - return error; - -failed: - /* 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); -} - -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 != 0) - 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 (be32_to_cpu(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; -} - -void wl_os_wd_timer(struct net_device *ndev, uint wdtick) -{ - dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(ndev); - - dhd_os_wd_timer(&dhd->pub, wdtick); -} - -#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) { - DHD_ERROR(("%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 */ |