diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/dhd_linux.c')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/dhd_linux.c | 5403 |
1 files changed, 5403 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/dhd_linux.c b/drivers/net/wireless/bcmdhd/dhd_linux.c new file mode 100644 index 0000000..d32ce11 --- /dev/null +++ b/drivers/net/wireless/bcmdhd/dhd_linux.c @@ -0,0 +1,5403 @@ +/* + * Broadcom Dongle Host Driver (DHD), Linux-specific network interface + * Basically selected code segments from usb-cdc.c and usb-rndis.c + * + * Copyright (C) 1999-2011, Broadcom Corporation + * + * Unless you and Broadcom execute a separate written software license + * agreement governing use of this software, this software is licensed to you + * under the terms of the GNU General Public License version 2 (the "GPL"), + * available at http://www.broadcom.com/licenses/GPLv2.php, with the + * following added to such license: + * + * As a special exception, the copyright holders of this software give you + * permission to link this software with independent modules, and to copy and + * distribute the resulting executable under terms of your choice, provided that + * you also meet, for each linked independent module, the terms and conditions of + * the license of that module. An independent module is a module which is not + * derived from this software. The special exception does not apply to any + * modifications of the software. + * + * Notwithstanding the above, under no circumstances may you combine this + * software in any way with any other Broadcom software provided under a license + * other than the GPL, without Broadcom's express prior written consent. + * + * $Id: dhd_linux.c 333885 2012-05-18 00:39:03Z $ + */ + +#include <typedefs.h> +#include <linuxver.h> +#include <osl.h> + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/inetdevice.h> +#include <linux/rtnetlink.h> +#include <linux/etherdevice.h> +#include <linux/random.h> +#include <linux/spinlock.h> +#include <linux/ethtool.h> +#include <linux/fcntl.h> +#include <linux/fs.h> + +#include <asm/uaccess.h> +#include <asm/unaligned.h> + +#include <epivers.h> +#include <bcmutils.h> +#include <bcmendian.h> +#include <bcmdevs.h> + +#include <proto/ethernet.h> +#include <dngl_stats.h> +#include <dhd.h> +#include <dhd_bus.h> +#include <dhd_proto.h> +#include <dhd_dbg.h> +#ifdef CONFIG_HAS_WAKELOCK +#include <linux/wakelock.h> +#endif +#ifdef WL_CFG80211 +#include <wl_cfg80211.h> +#endif + +#include <proto/802.11_bta.h> +#include <proto/bt_amp_hci.h> +#include <dhd_bta.h> + +#ifdef WLMEDIA_HTSF +#include <linux/time.h> +#include <htsf.h> + +#define HTSF_MINLEN 200 /* min. packet length to timestamp */ +#define HTSF_BUS_DELAY 150 /* assume a fix propagation in us */ +#define TSMAX 1000 /* max no. of timing record kept */ +#define NUMBIN 34 + +static uint32 tsidx = 0; +static uint32 htsf_seqnum = 0; +uint32 tsfsync; +struct timeval tsync; +static uint32 tsport = 5010; + +typedef struct histo_ { + uint32 bin[NUMBIN]; +} histo_t; + +#if !ISPOWEROF2(DHD_SDALIGN) +#error DHD_SDALIGN is not a power of 2! +#endif + +static histo_t vi_d1, vi_d2, vi_d3, vi_d4; +#endif /* WLMEDIA_HTSF */ + +#if defined(SOFTAP) +extern bool ap_cfg_running; +extern bool ap_fw_loaded; +#endif + +/* enable HOSTIP cache update from the host side when an eth0:N is up */ +#define AOE_IP_ALIAS_SUPPORT 1 + +#ifdef PROP_TXSTATUS +#include <wlfc_proto.h> +#include <dhd_wlfc.h> +#endif + +#include <wl_android.h> + +#ifdef ARP_OFFLOAD_SUPPORT +void aoe_update_host_ipv4_table(dhd_pub_t *dhd_pub, u32 ipa, bool add); +static int dhd_device_event(struct notifier_block *this, + unsigned long event, + void *ptr); + +static struct notifier_block dhd_notifier = { + .notifier_call = dhd_device_event +}; +#endif /* ARP_OFFLOAD_SUPPORT */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) +#include <linux/suspend.h> +volatile bool dhd_mmc_suspend = FALSE; +DECLARE_WAIT_QUEUE_HEAD(dhd_dpc_wait); +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && 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) */ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) +static void dhd_hang_process(struct work_struct *work); +#endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) +MODULE_LICENSE("GPL v2"); +#endif /* LinuxVer */ + +#include <dhd_bus.h> + +#ifndef PROP_TXSTATUS +#define DBUS_RX_BUFFER_SIZE_DHD(net) (net->mtu + net->hard_header_len + dhd->pub.hdrlen) +#else +#define DBUS_RX_BUFFER_SIZE_DHD(net) (net->mtu + net->hard_header_len + dhd->pub.hdrlen + 128) +#endif + +#if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 15) +const char * +print_tainted() +{ + return ""; +} +#endif /* LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 15) */ + +/* Linux wireless extension support */ +#if defined(WL_WIRELESS_EXT) +#include <wl_iw.h> +extern wl_iw_extra_params_t g_wl_iw_params; +#endif /* defined(WL_WIRELESS_EXT) */ + +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) +#include <linux/earlysuspend.h> +#endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ +extern int dhd_get_dtim_skip(dhd_pub_t *dhd); + +#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 */ + dhd_if_state_t state; /* interface state */ + uint subunit; /* subunit */ + uint8 mac_addr[ETHER_ADDR_LEN]; /* assigned MAC address */ + bool attached; /* Delayed attachment when unset */ + bool txflowcontrol; /* Per interface flow control indicator */ + char name[IFNAMSIZ+1]; /* linux interface name */ + uint8 bssidx; /* bsscfg index for the interface */ + bool set_multicast; +} dhd_if_t; + +#ifdef WLMEDIA_HTSF +typedef struct { + uint32 low; + uint32 high; +} tsf_t; + +typedef struct { + uint32 last_cycle; + uint32 last_sec; + uint32 last_tsf; + uint32 coef; /* scaling factor */ + uint32 coefdec1; /* first decimal */ + uint32 coefdec2; /* second decimal */ +} htsf_t; + +typedef struct { + uint32 t1; + uint32 t2; + uint32 t3; + uint32 t4; +} tstamp_t; + +static tstamp_t ts[TSMAX]; +static tstamp_t maxdelayts; +static uint32 maxdelay = 0, tspktcnt = 0, maxdelaypktno = 0; + +#endif /* WLMEDIA_HTSF */ + +/* Local private structure (extension of pub) */ +typedef struct dhd_info { +#if defined(WL_WIRELESS_EXT) + wl_iw_t iw; /* wireless extensions state (must be first) */ +#endif /* defined(WL_WIRELESS_EXT) */ + + dhd_pub_t pub; + + /* For supporting multiple interfaces */ + dhd_if_t *iflist[DHD_MAX_IFS]; + + struct semaphore proto_sem; +#ifdef PROP_TXSTATUS + spinlock_t wlfc_spinlock; +#endif /* PROP_TXSTATUS */ +#ifdef WLMEDIA_HTSF + htsf_t htsf; +#endif + 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; + spinlock_t dhd_lock; +#ifdef DHDTHREAD + /* Thread based operation */ + bool threads_only; + struct semaphore sdsem; + + tsk_ctl_t thr_dpc_ctl; + tsk_ctl_t thr_wdt_ctl; + +#else + bool dhd_tasklet_create; +#endif /* DHDTHREAD */ + tsk_ctl_t thr_sysioc_ctl; +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + struct work_struct work_hang; +#endif + + /* Wakelocks */ +#if defined(CONFIG_HAS_WAKELOCK) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + struct wake_lock wl_wifi; /* Wifi wakelock */ + struct wake_lock wl_rxwake; /* Wifi rx wakelock */ + struct wake_lock wl_ctrlwake; /* Wifi ctrl wakelock */ +#endif + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + /* net_device interface lock, prevent race conditions among net_dev interface + * calls and wifi_on or wifi_off + */ + struct mutex dhd_net_if_mutex; + struct mutex dhd_suspend_mutex; +#endif + spinlock_t wakelock_spinlock; + int wakelock_counter; + int wakelock_rx_timeout_enable; + int wakelock_ctrl_timeout_enable; + + /* Thread to issue ioctl for multicast */ + bool set_macaddress; + struct ether_addr macvalue; + wait_queue_head_t ctrl_wait; + atomic_t pend_8021x_cnt; + dhd_attach_states_t dhd_state; + +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) + struct early_suspend early_suspend; +#endif /* CONFIG_HAS_EARLYSUSPEND */ + +#ifdef ARP_OFFLOAD_SUPPORT + u32 pend_ipaddr; +#endif /* ARP_OFFLOAD_SUPPORT */ +} 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, 0660); +module_param_string(nvram_path, nvram_path, MOD_PARAM_PATHLEN, 0); + +char info_string[MOD_PARAM_INFOLEN]; +module_param_string(info_string, info_string, MOD_PARAM_INFOLEN, 0444); + +int op_mode = 0; +module_param(op_mode, int, 0644); +extern int wl_control_wl_start(struct net_device *dev); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) +struct semaphore dhd_registration_sem; +#define DHD_REGISTRATION_TIMEOUT 12000 /* msec : allowed time to finished dhd registration */ +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ + +/* Spawn a thread for system ioctls (set mac, set mcast) */ +uint dhd_sysioc = TRUE; +module_param(dhd_sysioc, uint, 0); + +/* Error bits */ +module_param(dhd_msg_level, int, 0); + +/* Watchdog interval */ +uint dhd_watchdog_ms = 10; +module_param(dhd_watchdog_ms, uint, 0); + +#if defined(DHD_DEBUG) +/* Console poll interval */ +uint dhd_console_ms = 0; +module_param(dhd_console_ms, uint, 0644); +#endif /* defined(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 = 0; +module_param(dhd_pkt_filter_init, uint, 0); + +/* Pkt filter mode control */ +uint dhd_master_mode = TRUE; +module_param(dhd_master_mode, uint, 0); + +#ifdef DHDTHREAD +/* Watchdog thread priority, -1 to use kernel timer */ +int dhd_watchdog_prio = 0; +module_param(dhd_watchdog_prio, int, 0); + +/* DPC thread priority, -1 to use tasklet */ +int dhd_dpc_prio = 1; +module_param(dhd_dpc_prio, int, 0); + +extern int dhd_dongle_memsize; +module_param(dhd_dongle_memsize, int, 0); +#endif /* DHDTHREAD */ +/* Control fw roaming */ +uint dhd_roam_disable = 0; + +/* Control radio state */ +uint dhd_radio_up = 1; + +/* Network inteface name */ +char iface_name[IFNAMSIZ] = {'\0'}; +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 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 BCMDBGFS +extern void dhd_dbg_init(dhd_pub_t *dhdp); +extern void dhd_dbg_remove(void); +#endif /* BCMDBGFS */ + + + +#ifdef SDTEST +/* Echo packet generator (pkts/s) */ +uint dhd_pktgen = 0; +module_param(dhd_pktgen, uint, 0); + +/* Echo packet len (0 => sawtooth, max 2040) */ +uint dhd_pktgen_len = 0; +module_param(dhd_pktgen_len, uint, 0); +#endif /* SDTEST */ + +/* Version string to report */ +#ifdef DHD_DEBUG +#ifndef SRCBASE +#define SRCBASE "drivers/net/wireless/bcmdhd" +#endif +#define DHD_COMPILED "\nCompiled in " SRCBASE +#else +#define DHD_COMPILED +#endif /* DHD_DEBUG */ + +static char dhd_version[] = "Dongle Host Driver, version " EPI_VERSION_STR +#ifdef DHD_DEBUG +"\nCompiled in " SRCBASE " on " __DATE__ " at " __TIME__ +#endif +; +static void dhd_net_if_lock_local(dhd_info_t *dhd); +static void dhd_net_if_unlock_local(dhd_info_t *dhd); +static void dhd_suspend_lock(dhd_pub_t *dhdp); +static void dhd_suspend_unlock(dhd_pub_t *dhdp); +#if !defined(AP) && defined(WLP2P) && defined(WL_ENABLE_P2P_IF) +static u32 dhd_concurrent_fw(dhd_pub_t *dhd); +#endif + +#ifdef WLMEDIA_HTSF +void htsf_update(dhd_info_t *dhd, void *data); +tsf_t prev_tsf, cur_tsf; + +uint32 dhd_get_htsf(dhd_info_t *dhd, int ifidx); +static int dhd_ioctl_htsf_get(dhd_info_t *dhd, int ifidx); +static void dhd_dump_latency(void); +static void dhd_htsf_addtxts(dhd_pub_t *dhdp, void *pktbuf); +static void dhd_htsf_addrxts(dhd_pub_t *dhdp, void *pktbuf); +static void dhd_dump_htsfhisto(histo_t *his, char *s); +#endif /* WLMEDIA_HTSF */ + +/* Monitor interface */ +int dhd_monitor_init(void *dhd_pub); +int dhd_monitor_uninit(void); + + +#if defined(WL_WIRELESS_EXT) +struct iw_statistics *dhd_get_wireless_stats(struct net_device *dev); +#endif /* defined(WL_WIRELESS_EXT) */ + +static void dhd_dpc(ulong 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, uint32 *toe_ol); +static int dhd_toe_set(dhd_info_t *dhd, int idx, uint32 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) +static int dhd_sleep_pm_callback(struct notifier_block *nfb, unsigned long action, void *ignored) +{ + int ret = NOTIFY_DONE; + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39)) + switch (action) { + case PM_HIBERNATION_PREPARE: + case PM_SUSPEND_PREPARE: + dhd_mmc_suspend = TRUE; + ret = NOTIFY_OK; + break; + case PM_POST_HIBERNATION: + case PM_POST_SUSPEND: + dhd_mmc_suspend = FALSE; + ret = NOTIFY_OK; + break; + } + smp_mb(); +#endif + return ret; +} + +static struct notifier_block dhd_sleep_pm_notifier = { + .notifier_call = dhd_sleep_pm_callback, + .priority = 10 +}; +extern int register_pm_notifier(struct notifier_block *nb); +extern int unregister_pm_notifier(struct notifier_block *nb); +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */ + +static void dhd_set_packet_filter(int value, dhd_pub_t *dhd) +{ +#ifdef PKT_FILTER_SUPPORT + DHD_TRACE(("%s: %d\n", __FUNCTION__, value)); + /* 1 - Enable packet filter, only allow unicast packet to send up */ + /* 0 - Disable packet filter */ + if (dhd_pkt_filter_enable && (!value || + (dhd_check_ap_wfd_mode_set(dhd) == FALSE))) { + 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 +} + +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; + uint roamvar = 1; + + DHD_TRACE(("%s: enter, value = %d in_suspend=%d\n", + __FUNCTION__, value, dhd->in_suspend)); + + dhd_suspend_lock(dhd); + if (dhd && dhd->up) { + if (value && dhd->in_suspend) { + + /* Kernel suspended */ + DHD_ERROR(("%s: force extra Suspend setting \n", __FUNCTION__)); + + dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, + sizeof(power_mode), TRUE, 0); + + /* Enable packet filter, only allow unicast packet to send up */ + dhd_set_packet_filter(1, dhd); + + /* If DTIM skip is set up as default, force it to wake + * each third DTIM for better power savings. Note that + * one side effect is a chance to miss BC/MC packet. + */ + bcn_li_dtim = dhd_get_dtim_skip(dhd); + bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim, + 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + + /* Disable firmware roaming during suspend */ + bcm_mkiovar("roam_off", (char *)&roamvar, 4, + iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + } else { + + /* Kernel resumed */ + DHD_TRACE(("%s: Remove extra suspend setting \n", __FUNCTION__)); + + power_mode = PM_FAST; + dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, + sizeof(power_mode), TRUE, 0); + + /* 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)); + + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + roamvar = dhd_roam_disable; + bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, + sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + } + } + dhd_suspend_unlock(dhd); + return 0; +} + +static int dhd_suspend_resume_helper(struct dhd_info *dhd, int val, int force) +{ + dhd_pub_t *dhdp = &dhd->pub; + int ret = 0; + + DHD_OS_WAKE_LOCK(dhdp); + /* Set flag when early suspend was called */ + dhdp->in_suspend = val; + if ((force || !dhdp->suspend_disable_flag) && + (dhd_check_ap_wfd_mode_set(dhdp) == FALSE)) { + ret = dhd_set_suspend(val, dhdp); + } + DHD_OS_WAKE_UNLOCK(dhdp); + return ret; +} + +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) +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", __FUNCTION__)); + + if (dhd) + dhd_suspend_resume_helper(dhd, 1, 0); +} + +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", __FUNCTION__)); + + if (dhd) + dhd_suspend_resume_helper(dhd, 0, 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 = jiffies_to_usecs(1); +} + +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) { + OSL_DELAY(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); + init_waitqueue_head(&delay_wait); + add_wait_queue(&delay_wait, &wait); + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(1); + remove_wait_queue(&delay_wait, &wait); + set_current_state(TASK_RUNNING); + } + + return 0; +} + +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; +} + +struct net_device * dhd_idx2net(void *pub, int ifidx) +{ + struct dhd_pub *dhd_pub = (struct dhd_pub *)pub; + struct dhd_info *dhd_info; + + if (!dhd_pub || ifidx < 0 || ifidx >= DHD_MAX_IFS) + return NULL; + dhd_info = dhd_pub->info; + if (dhd_info && dhd_info->iflist[ifidx]) + return dhd_info->iflist[ifidx]->net; + return NULL; +} + +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", __FUNCTION__, 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", __FUNCTION__, ifidx)); + return "<if_bad>"; + } + + if (dhd->iflist[ifidx] == NULL) { + DHD_ERROR(("%s: null i/f %d\n", __FUNCTION__, ifidx)); + return "<if_null>"; + } + + if (dhd->iflist[ifidx]->net) + return dhd->iflist[ifidx]->net->name; + + return "<if_none>"; +} + +uint8 * +dhd_bssidx2bssid(dhd_pub_t *dhdp, int idx) +{ + int i; + dhd_info_t *dhd = (dhd_info_t *)dhdp; + + ASSERT(dhd); + for (i = 0; i < DHD_MAX_IFS; i++) + if (dhd->iflist[i] && dhd->iflist[i]->bssidx == idx) + return dhd->iflist[i]->mac_addr; + + return NULL; +} + + +static void +_dhd_set_multicast_list(dhd_info_t *dhd, int ifidx) +{ + struct net_device *dev; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) + struct netdev_hw_addr *ha; +#else + struct dev_mc_list *mclist; +#endif + uint32 allmulti, cnt; + + wl_ioctl_t ioc; + char *buf, *bufp; + uint buflen; + int ret; + + ASSERT(dhd && dhd->iflist[ifidx]); + dev = dhd->iflist[ifidx]->net; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) + netif_addr_lock_bh(dev); +#endif +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) + cnt = netdev_mc_count(dev); +#else + cnt = dev->mc_count; +#endif +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) + netif_addr_unlock_bh(dev); +#endif + + /* 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 * ETHER_ADDR_LEN); + if (!(bufp = buf = MALLOC(dhd->pub.osh, buflen))) { + 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); + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) + netif_addr_lock_bh(dev); +#endif +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) + netdev_for_each_mc_addr(ha, dev) { + if (!cnt) + break; + memcpy(bufp, ha->addr, ETHER_ADDR_LEN); + bufp += ETHER_ADDR_LEN; + cnt--; + } +#else + for (mclist = dev->mc_list; (mclist && (cnt > 0)); cnt--, mclist = mclist->next) { + memcpy(bufp, (void *)mclist->dmi_addr, ETHER_ADDR_LEN); + bufp += ETHER_ADDR_LEN; + } +#endif +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) + netif_addr_unlock_bh(dev); +#endif + + memset(&ioc, 0, sizeof(ioc)); + ioc.cmd = WLC_SET_VAR; + ioc.buf = buf; + ioc.len = buflen; + ioc.set = TRUE; + + ret = dhd_wl_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; + } + + MFREE(dhd->pub.osh, buf, buflen); + + /* 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); + if (!(buf = MALLOC(dhd->pub.osh, buflen))) { + 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)); + MFREE(dhd->pub.osh, buf, buflen); + return; + } + + + memset(&ioc, 0, sizeof(ioc)); + ioc.cmd = WLC_SET_VAR; + ioc.buf = buf; + ioc.len = buflen; + ioc.set = TRUE; + + ret = dhd_wl_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))); + } + + MFREE(dhd->pub.osh, buf, buflen); + + /* 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_wl_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; + + if (!bcm_mkiovar("cur_etheraddr", (char*)addr, ETHER_ADDR_LEN, 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_wl_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, ETHER_ADDR_LEN); + memcpy(dhd->pub.mac.octet, addr, ETHER_ADDR_LEN); + } + + return ret; +} + +#ifdef SOFTAP +extern struct net_device *ap_net_dev; +extern tsk_ctl_t ap_eth_ctl; /* ap netdev heper thread ctl */ +#endif + +static void +dhd_op_if(dhd_if_t *ifp) +{ + dhd_info_t *dhd; + int ret = 0, err = 0; +#ifdef SOFTAP + unsigned long flags; +#endif + + if (!ifp || !ifp->info || !ifp->idx) + return; + ASSERT(ifp && ifp->info && ifp->idx); /* Virtual interfaces only */ + dhd = ifp->info; + + DHD_TRACE(("%s: idx %d, state %d\n", __FUNCTION__, ifp->idx, ifp->state)); + +#ifdef WL_CFG80211 + if (wl_cfg80211_is_progress_ifchange()) + return; + +#endif + switch (ifp->state) { + case DHD_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", + __FUNCTION__, ifp->net->name)); + netif_stop_queue(ifp->net); + unregister_netdev(ifp->net); + free_netdev(ifp->net); + } + /* Allocate etherdev, including space for private structure */ + if (!(ifp->net = alloc_etherdev(sizeof(dhd)))) { + DHD_ERROR(("%s: OOM - alloc_etherdev\n", __FUNCTION__)); + ret = -ENOMEM; + } + if (ret == 0) { + strncpy(ifp->net->name, ifp->name, IFNAMSIZ); + ifp->net->name[IFNAMSIZ - 1] = '\0'; + memcpy(netdev_priv(ifp->net), &dhd, sizeof(dhd)); +#ifdef WL_CFG80211 + if (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211) + if (!wl_cfg80211_notify_ifadd(ifp->net, ifp->idx, ifp->bssidx, + (void*)dhd_net_attach)) { + ifp->state = DHD_IF_NONE; + return; + } +#endif + if ((err = dhd_net_attach(&dhd->pub, ifp->idx)) != 0) { + DHD_ERROR(("%s: dhd_net_attach failed, err %d\n", + __FUNCTION__, err)); + ret = -EOPNOTSUPP; + } else { +#if defined(SOFTAP) + if (ap_fw_loaded && !(dhd->dhd_state & DHD_ATTACH_STATE_CFG80211)) { + /* semaphore that the soft AP CODE waits on */ + flags = dhd_os_spin_lock(&dhd->pub); + + /* 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_ctl.sema); + dhd_os_spin_unlock(&dhd->pub, flags); + } +#endif + DHD_TRACE(("\n ==== pid:%x, net_device for if:%s created ===\n\n", + current->pid, ifp->net->name)); + ifp->state = DHD_IF_NONE; + } + } + break; + case DHD_IF_DEL: + /* Make sure that we don't enter again here if .. */ + /* dhd_op_if is called again from some other context */ + ifp->state = DHD_IF_DELETING; + if (ifp->net != NULL) { + DHD_TRACE(("\n%s: got 'DHD_IF_DEL' state\n", __FUNCTION__)); +#ifdef WL_CFG80211 + if (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211) { + wl_cfg80211_ifdel_ops(ifp->net); + } +#endif + netif_stop_queue(ifp->net); + unregister_netdev(ifp->net); + ret = DHD_DEL_IF; + +#ifdef WL_CFG80211 + if (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211) { + wl_cfg80211_notify_ifdel(); + } +#endif + } + break; + case DHD_IF_DELETING: + break; + default: + DHD_ERROR(("%s: bad op %d\n", __FUNCTION__, ifp->state)); + ASSERT(!ifp->state); + break; + } + + if (ret < 0) { + ifp->set_multicast = FALSE; + if (ifp->net) { + free_netdev(ifp->net); + ifp->net = NULL; + } + dhd->iflist[ifp->idx] = NULL; +#ifdef SOFTAP + flags = dhd_os_spin_lock(&dhd->pub); + if (ifp->net == ap_net_dev) + ap_net_dev = NULL; /* NULL SOFTAP global wl0.1 as well */ + dhd_os_spin_unlock(&dhd->pub, flags); +#endif /* SOFTAP */ + MFREE(dhd->pub.osh, ifp, sizeof(*ifp)); + } +} + +static int +_dhd_sysioc_thread(void *data) +{ + tsk_ctl_t *tsk = (tsk_ctl_t *)data; + dhd_info_t *dhd = (dhd_info_t *)tsk->parent; + + + int i; +#ifdef SOFTAP + bool in_ap = FALSE; + unsigned long flags; +#endif + + DAEMONIZE("dhd_sysioc"); + + complete(&tsk->completed); + + while (down_interruptible(&tsk->sema) == 0) { + + SMP_RD_BARRIER_DEPENDS(); + if (tsk->terminated) { + break; + } + + dhd_net_if_lock_local(dhd); + DHD_OS_WAKE_LOCK(&dhd->pub); + + for (i = 0; i < DHD_MAX_IFS; i++) { + if (dhd->iflist[i]) { + DHD_TRACE(("%s: interface %d\n", __FUNCTION__, i)); +#ifdef SOFTAP + flags = dhd_os_spin_lock(&dhd->pub); + in_ap = (ap_net_dev != NULL); + dhd_os_spin_unlock(&dhd->pub, flags); +#endif /* SOFTAP */ + if (dhd->iflist[i] && dhd->iflist[i]->state) + dhd_op_if(dhd->iflist[i]); + + if (dhd->iflist[i] == NULL) { + DHD_TRACE(("\n\n %s: interface %d just been removed," + "!\n\n", __FUNCTION__, i)); + continue; + } +#ifdef SOFTAP + 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->iflist[i]->set_multicast) { + DHD_TRACE(("attempt to set MULTICAST list for %s" + "in AP Mode, blocked. \n", dhd->iflist[i]->net->name)); + dhd->iflist[i]->set_multicast = FALSE; + continue; + } +#endif /* SOFTAP */ + if (dhd->iflist[i]->set_multicast) { + dhd->iflist[i]->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); + } + } + } + + DHD_OS_WAKE_UNLOCK(&dhd->pub); + dhd_net_if_unlock_local(dhd); + } + DHD_TRACE(("%s: stopped\n", __FUNCTION__)); + complete_and_exit(&tsk->completed, 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->thr_sysioc_ctl.thr_pid >= 0); + memcpy(&dhd->macvalue, sa->sa_data, ETHER_ADDR_LEN); + dhd->set_macaddress = TRUE; + up(&dhd->thr_sysioc_ctl.sema); + + 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->thr_sysioc_ctl.thr_pid >= 0); + dhd->iflist[ifidx]->set_multicast = TRUE; + up(&dhd->thr_sysioc_ctl.sema); +} + +#ifdef PROP_TXSTATUS +int +dhd_os_wlfc_block(dhd_pub_t *pub) +{ + dhd_info_t *di = (dhd_info_t *)(pub->info); + ASSERT(di != NULL); + + spin_lock_bh(&di->wlfc_spinlock); + return 1; +} + +int +dhd_os_wlfc_unblock(dhd_pub_t *pub) +{ + dhd_info_t *di = (dhd_info_t *)(pub->info); + ASSERT(di != NULL); + spin_unlock_bh(&di->wlfc_spinlock); + return 1; +} + +const uint8 wme_fifo2ac[] = { 0, 1, 2, 3, 1, 1 }; +uint8 prio2fifo[8] = { 1, 0, 0, 1, 2, 2, 3, 3 }; +#define WME_PRIO2AC(prio) wme_fifo2ac[prio2fifo[(prio)]] + +#endif /* PROP_TXSTATUS */ +int +dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pktbuf) +{ + int ret; + dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); + struct ether_header *eh = NULL; + + /* Reject if down */ + if (!dhdp->up || (dhdp->busstate == DHD_BUS_DOWN)) { + /* free the packet here since the caller won't */ + PKTFREE(dhdp->osh, pktbuf, TRUE); + return -ENODEV; + } + + /* Update multicast statistic */ + if (PKTLEN(dhdp->osh, pktbuf) >= ETHER_HDR_LEN) { + uint8 *pktdata = (uint8 *)PKTDATA(dhdp->osh, pktbuf); + eh = (struct ether_header *)pktdata; + + if (ETHER_ISMULTI(eh->ether_dhost)) + dhdp->tx_multicast++; + if (ntoh16(eh->ether_type) == ETHER_TYPE_802_1X) + atomic_inc(&dhd->pend_8021x_cnt); + } else { + PKTFREE(dhd->pub.osh, pktbuf, TRUE); + return BCME_ERROR; + } + + /* Look into the packet and update the packet priority */ + if (PKTPRIO(pktbuf) == 0) + pktsetprio(pktbuf, FALSE); + +#ifdef PROP_TXSTATUS + if (dhdp->wlfc_state) { + /* store the interface ID */ + DHD_PKTTAG_SETIF(PKTTAG(pktbuf), ifidx); + + /* store destination MAC in the tag as well */ + DHD_PKTTAG_SETDSTN(PKTTAG(pktbuf), eh->ether_dhost); + + /* decide which FIFO this packet belongs to */ + if (ETHER_ISMULTI(eh->ether_dhost)) + /* one additional queue index (highest AC + 1) is used for bc/mc queue */ + DHD_PKTTAG_SETFIFO(PKTTAG(pktbuf), AC_COUNT); + else + DHD_PKTTAG_SETFIFO(PKTTAG(pktbuf), WME_PRIO2AC(PKTPRIO(pktbuf))); + } else +#endif /* PROP_TXSTATUS */ + /* If the protocol uses a data header, apply it */ + dhd_prot_hdrpush(dhdp, ifidx, pktbuf); + + /* Use bus module to send data frame */ +#ifdef WLMEDIA_HTSF + dhd_htsf_addtxts(dhdp, pktbuf); +#endif +#ifdef PROP_TXSTATUS + if (dhdp->wlfc_state && ((athost_wl_status_info_t*)dhdp->wlfc_state)->proptxstatus_mode + != WLFC_FCMODE_NONE) { + dhd_os_wlfc_block(dhdp); + ret = dhd_wlfc_enque_sendq(dhdp->wlfc_state, DHD_PKTTAG_FIFO(PKTTAG(pktbuf)), + pktbuf); + dhd_wlfc_commit_packets(dhdp->wlfc_state, (f_commitpkt_t)dhd_bus_txdata, + dhdp->bus); + if (((athost_wl_status_info_t*)dhdp->wlfc_state)->toggle_host_if) { + ((athost_wl_status_info_t*)dhdp->wlfc_state)->toggle_host_if = 0; + } + dhd_os_wlfc_unblock(dhdp); + } + else + /* non-proptxstatus way */ + ret = dhd_bus_txdata(dhdp->bus, pktbuf); +#else + ret = dhd_bus_txdata(dhdp->bus, pktbuf); +#endif /* PROP_TXSTATUS */ + + + return ret; +} + +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; +#ifdef WLMEDIA_HTSF + uint8 htsfdlystat_sz = dhd->pub.htsfdlystat_sz; +#else + uint8 htsfdlystat_sz = 0; +#endif + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + DHD_OS_WAKE_LOCK(&dhd->pub); + + /* Reject if down */ + if (!dhd->pub.up || (dhd->pub.busstate == DHD_BUS_DOWN)) { + DHD_ERROR(("%s: xmit rejected pub.up=%d busstate=%d \n", + __FUNCTION__, dhd->pub.up, dhd->pub.busstate)); + netif_stop_queue(net); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + /* Send Event when bus down detected during data session */ + if (dhd->pub.busstate == DHD_BUS_DOWN) { + DHD_ERROR(("%s: Event HANG sent up\n", __FUNCTION__)); + net_os_send_hang_message(net); + } +#endif + DHD_OS_WAKE_UNLOCK(&dhd->pub); + return -ENODEV; + } + + ifidx = dhd_net2idx(dhd, net); + if (ifidx == DHD_BAD_IF) { + DHD_ERROR(("%s: bad ifidx %d\n", __FUNCTION__, ifidx)); + netif_stop_queue(net); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + return -ENODEV; + } + + /* Make sure there's enough room for any header */ + + if (skb_headroom(skb) < dhd->pub.hdrlen + htsfdlystat_sz) { + 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 + htsfdlystat_sz); + + dev_kfree_skb(skb); + if ((skb = skb2) == NULL) { + DHD_ERROR(("%s: skb_realloc_headroom failed\n", + dhd_ifname(&dhd->pub, ifidx))); + ret = -ENOMEM; + goto done; + } + } + + /* Convert to packet */ + if (!(pktbuf = PKTFRMNATIVE(dhd->pub.osh, skb))) { + DHD_ERROR(("%s: PKTFRMNATIVE failed\n", + dhd_ifname(&dhd->pub, ifidx))); + dev_kfree_skb_any(skb); + ret = -ENOMEM; + goto done; + } +#ifdef WLMEDIA_HTSF + if (htsfdlystat_sz && PKTLEN(dhd->pub.osh, pktbuf) >= ETHER_ADDR_LEN) { + uint8 *pktdata = (uint8 *)PKTDATA(dhd->pub.osh, pktbuf); + struct ether_header *eh = (struct ether_header *)pktdata; + + if (!ETHER_ISMULTI(eh->ether_dhost) && + (ntoh16(eh->ether_type) == ETHER_TYPE_IP)) { + eh->ether_type = hton16(ETHER_TYPE_BRCM_PKTDLYSTATS); + } + } +#endif + + ret = dhd_sendpkt(&dhd->pub, ifidx, pktbuf); + + +done: + if (ret) + dhd->pub.dstats.tx_dropped++; + else + dhd->pub.tx_packets++; + + DHD_OS_WAKE_UNLOCK(&dhd->pub); + + /* 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; + int i; + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + dhdp->txoff = state; + ASSERT(dhd); + + if (ifidx == ALL_INTERFACES) { + /* Flow control on all active interfaces */ + for (i = 0; i < DHD_MAX_IFS; i++) { + if (dhd->iflist[i]) { + net = dhd->iflist[i]->net; + if (state == ON) + netif_stop_queue(net); + else + netif_wake_queue(net); + } + } + } + else { + if (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, void *pktbuf, int numpkt, uint8 chan) +{ + dhd_info_t *dhd = (dhd_info_t *)dhdp->info; + struct sk_buff *skb; + uchar *eth; + uint len; + void *data, *pnext = NULL, *save_pktbuf; + int i; + dhd_if_t *ifp; + wl_event_msg_t event; + int tout_rx = 0; + int tout_ctrl = 0; + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + save_pktbuf = pktbuf; + + for (i = 0; pktbuf && i < numpkt; i++, pktbuf = pnext) { + struct ether_header *eh; + struct dot11_llc_snap_header *lsh; + + ifp = dhd->iflist[ifidx]; + if (ifp == NULL) { + DHD_ERROR(("%s: ifp is NULL. drop packet\n", + __FUNCTION__)); + PKTFREE(dhdp->osh, pktbuf, TRUE); + continue; + } +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) + /* Dropping packets before registering net device to avoid kernel panic */ + if (!ifp->net || ifp->net->reg_state != NETREG_REGISTERED || + !dhd->pub.up) { + DHD_ERROR(("%s: net device is NOT registered yet. drop packet\n", + __FUNCTION__)); + PKTFREE(dhdp->osh, pktbuf, TRUE); + continue; + } +#endif + + pnext = PKTNEXT(dhdp->osh, pktbuf); + PKTSETNEXT(wl->sh.osh, pktbuf, NULL); + + eh = (struct ether_header *)PKTDATA(wl->sh.osh, pktbuf); + lsh = (struct dot11_llc_snap_header *)&eh[1]; + + if ((ntoh16(eh->ether_type) < ETHER_TYPE_MIN) && + (PKTLEN(wl->sh.osh, pktbuf) >= RFC1042_HDR_LEN) && + bcmp(lsh, BT_SIG_SNAP_MPROT, DOT11_LLC_SNAP_HDR_LEN - 2) == 0 && + lsh->type == HTON16(BTA_PROT_L2CAP)) { + amp_hci_ACL_data_t *ACL_data = (amp_hci_ACL_data_t *) + ((uint8 *)eh + RFC1042_HDR_LEN); + ACL_data = NULL; + } + +#ifdef PROP_TXSTATUS + if (dhdp->wlfc_state && PKTLEN(wl->sh.osh, pktbuf) == 0) { + /* WLFC may send header only packet when + there is an urgent message but no packet to + piggy-back on + */ + ((athost_wl_status_info_t*)dhdp->wlfc_state)->stats.wlfc_header_only_pkt++; + PKTFREE(dhdp->osh, pktbuf, TRUE); + DHD_TRACE(("RX: wlfc header \n")); + continue; + } +#endif + + 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; + +#ifdef WLMEDIA_HTSF + dhd_htsf_addrxts(dhdp, pktbuf); +#endif + /* 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, +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22) + skb->mac_header, +#else + skb->mac.raw, +#endif + &event, + &data); + + wl_event_to_host_order(&event); + if (!tout_ctrl) + tout_ctrl = DHD_PACKET_TIMEOUT_MS; + if (event.event_type == WLC_E_BTA_HCI_EVENT) { + dhd_bta_doevt(dhdp, data, event.datalen); + } +#ifdef PNO_SUPPORT + if (event.event_type == WLC_E_PFN_NET_FOUND) { + tout_ctrl *= 2; + } +#endif /* PNO_SUPPORT */ + } else { + tout_rx = DHD_PACKET_TIMEOUT_MS; + } + + 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. + */ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) + netif_rx_ni(skb); +#else + ulong flags; + netif_rx(skb); + local_irq_save(flags); + RAISE_RX_SOFTIRQ(); + local_irq_restore(flags); +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) */ + } + } + + DHD_OS_WAKE_LOCK_RX_TIMEOUT_ENABLE(dhdp, tout_rx); + DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(dhdp, tout_ctrl); +} + +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, void *txp, bool success) +{ + uint ifidx; + dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); + struct ether_header *eh; + uint16 type; + uint len; + + dhd_prot_hdrpull(dhdp, &ifidx, txp); + + eh = (struct ether_header *)PKTDATA(dhdp->osh, txp); + type = ntoh16(eh->ether_type); + + if (type == ETHER_TYPE_802_1X) + atomic_dec(&dhd->pend_8021x_cnt); + + /* Crack open the packet and check to see if it is BT HCI ACL data packet. + * If yes generate packet completion event. + */ + len = PKTLEN(dhdp->osh, txp); + + /* Generate ACL data tx completion event locally to avoid SDIO bus transaction */ + if ((type < ETHER_TYPE_MIN) && (len >= RFC1042_HDR_LEN)) { + struct dot11_llc_snap_header *lsh = (struct dot11_llc_snap_header *)&eh[1]; + + if (bcmp(lsh, BT_SIG_SNAP_MPROT, DOT11_LLC_SNAP_HDR_LEN - 2) == 0 && + ntoh16(lsh->type) == BTA_PROT_L2CAP) { + + dhd_bta_tx_hcidata_complete(dhdp, txp, success); + } + } +} + +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", __FUNCTION__)); + + ifidx = dhd_net2idx(dhd, net); + if (ifidx == DHD_BAD_IF) { + DHD_ERROR(("%s: BAD_IF\n", __FUNCTION__)); + 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; +} + +#ifdef DHDTHREAD +static int +dhd_watchdog_thread(void *data) +{ + tsk_ctl_t *tsk = (tsk_ctl_t *)data; + dhd_info_t *dhd = (dhd_info_t *)tsk->parent; + /* This thread doesn't need any user-level access, + * so get rid of all our resources + */ + 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); + } + + DAEMONIZE("dhd_watchdog"); + + /* Run until signal received */ + complete(&tsk->completed); + + while (1) + if (down_interruptible (&tsk->sema) == 0) { + unsigned long flags; + + SMP_RD_BARRIER_DEPENDS(); + if (tsk->terminated) { + break; + } + + dhd_os_sdlock(&dhd->pub); + if (dhd->pub.dongle_reset == FALSE) { + DHD_TIMER(("%s:\n", __FUNCTION__)); + + /* Call the bus module watchdog */ + dhd_bus_watchdog(&dhd->pub); + + flags = dhd_os_spin_lock(&dhd->pub); + /* Count the tick for reference */ + dhd->pub.tickcnt++; + /* Reschedule the watchdog */ + if (dhd->wd_timer_valid) + mod_timer(&dhd->timer, + jiffies + msecs_to_jiffies(dhd_watchdog_ms)); + dhd_os_spin_unlock(&dhd->pub, flags); + } + dhd_os_sdunlock(&dhd->pub); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + } else { + break; + } + + complete_and_exit(&tsk->completed, 0); +} +#endif /* DHDTHREAD */ + +static void dhd_watchdog(ulong data) +{ + dhd_info_t *dhd = (dhd_info_t *)data; + unsigned long flags; + + DHD_OS_WAKE_LOCK(&dhd->pub); + if (dhd->pub.dongle_reset) { + DHD_OS_WAKE_UNLOCK(&dhd->pub); + return; + } + +#ifdef DHDTHREAD + if (dhd->thr_wdt_ctl.thr_pid >= 0) { + up(&dhd->thr_wdt_ctl.sema); + return; + } +#endif /* DHDTHREAD */ + + dhd_os_sdlock(&dhd->pub); + /* Call the bus module watchdog */ + dhd_bus_watchdog(&dhd->pub); + + flags = dhd_os_spin_lock(&dhd->pub); + /* Count the tick for reference */ + dhd->pub.tickcnt++; + + /* Reschedule the watchdog */ + if (dhd->wd_timer_valid) + mod_timer(&dhd->timer, jiffies + msecs_to_jiffies(dhd_watchdog_ms)); + dhd_os_spin_unlock(&dhd->pub, flags); + dhd_os_sdunlock(&dhd->pub); + DHD_OS_WAKE_UNLOCK(&dhd->pub); +} + +#ifdef DHDTHREAD +static int +dhd_dpc_thread(void *data) +{ + tsk_ctl_t *tsk = (tsk_ctl_t *)data; + dhd_info_t *dhd = (dhd_info_t *)tsk->parent; + + /* This thread doesn't need any user-level access, + * so get rid of all our resources + */ + 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); + } + + DAEMONIZE("dhd_dpc"); + /* DHD_OS_WAKE_LOCK is called in dhd_sched_dpc[dhd_linux.c] down below */ + + /* signal: thread has started */ + complete(&tsk->completed); + + /* Run until signal received */ + while (1) { + if (down_interruptible(&tsk->sema) == 0) { + + SMP_RD_BARRIER_DEPENDS(); + if (tsk->terminated) { + break; + } + + /* 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(&tsk->sema); + } + else { + DHD_OS_WAKE_UNLOCK(&dhd->pub); + } + } else { + if (dhd->pub.up) + dhd_bus_stop(dhd->pub.bus, TRUE); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + } + } + else + break; + } + + complete_and_exit(&tsk->completed, 0); +} +#endif /* DHDTHREAD */ + +static void +dhd_dpc(ulong data) +{ + dhd_info_t *dhd; + + dhd = (dhd_info_t *)data; + + /* this (tasklet) can be scheduled in dhd_sched_dpc[dhd_linux.c] + * down below , wake lock is set, + * the tasklet is initialized in dhd_attach() + */ + /* 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_OS_WAKE_UNLOCK(&dhd->pub); + } else { + dhd_bus_stop(dhd->pub.bus, TRUE); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + } +} + +void +dhd_sched_dpc(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd = (dhd_info_t *)dhdp->info; + + DHD_OS_WAKE_LOCK(dhdp); +#ifdef DHDTHREAD + if (dhd->thr_dpc_ctl.thr_pid >= 0) { + up(&dhd->thr_dpc_ctl.sema); + return; + } +#endif /* DHDTHREAD */ + + 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, uint32 *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"); + if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 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(uint32)); + 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, uint32 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(uint32)); + + if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 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(uint32)); + + if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { + DHD_ERROR(("%s: could not set toe: ret=%d\n", dhd_ifname(&dhd->pub, ifidx), ret)); + return ret; + } + + return 0; +} +#endif /* TOE */ + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) +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, "wl"); + sprintf(info->version, "%lu", dhd->pub.drv_version); +} + +struct ethtool_ops dhd_ethtool_ops = { + .get_drvinfo = dhd_ethtool_get_drvinfo +}; +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */ + + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) +static int +dhd_ethtool(dhd_info_t *dhd, void *uaddr) +{ + struct ethtool_drvinfo info; + char drvname[sizeof(info.driver)]; + uint32 cmd; +#ifdef TOE + struct ethtool_value edata; + uint32 toe_cmpnt, csum_dir; + int ret; +#endif + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + /* all ethtool calls start with a cmd word */ + if (copy_from_user(&cmd, uaddr, sizeof (uint32))) + 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", __FUNCTION__)); + 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", __FUNCTION__, + (int)sizeof(drvname), drvname, info.driver)); + break; + +#ifdef TOE + /* Get toe offload components from dongle */ + case ETHTOOL_GRXCSUM: + case ETHTOOL_GTXCSUM: + if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 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 */ + if ((ret = dhd_toe_get(dhd, 0, &toe_cmpnt)) < 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; + + if ((ret = dhd_toe_set(dhd, 0, toe_cmpnt)) < 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; +} +#endif /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) */ + +static bool dhd_check_hang(struct net_device *net, dhd_pub_t *dhdp, int error) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + if (!dhdp) + return FALSE; + if ((error == -ETIMEDOUT) || ((dhdp->busstate == DHD_BUS_DOWN) && + (!dhdp->dongle_reset))) { + DHD_ERROR(("%s: Event HANG send up due to re=%d te=%d e=%d s=%d\n", __FUNCTION__, + dhdp->rxcnt_timeout, dhdp->txcnt_timeout, error, dhdp->busstate)); + net_os_send_hang_message(net); + return TRUE; + } +#endif + return FALSE; +} + +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; + int ret; + + DHD_OS_WAKE_LOCK(&dhd->pub); + + /* send to dongle only if we are not waiting for reload already */ + if (dhd->pub.hang_was_sent) { + DHD_ERROR(("%s: HANG was sent up earlier\n", __FUNCTION__)); + DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(&dhd->pub, DHD_EVENT_TIMEOUT_MS); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + return OSL_ERROR(BCME_DONGLE_DOWN); + } + + ifidx = dhd_net2idx(dhd, net); + DHD_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __FUNCTION__, ifidx, cmd)); + + if (ifidx == DHD_BAD_IF) { + DHD_ERROR(("%s: BAD IF\n", __FUNCTION__)); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + return -1; + } + +#if defined(WL_WIRELESS_EXT) + /* linux wireless extensions */ + if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) { + /* may recurse, do NOT lock */ + ret = wl_iw_ioctl(net, ifr, cmd); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + return ret; + } +#endif /* defined(WL_WIRELESS_EXT) */ + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) + if (cmd == SIOCETHTOOL) { + ret = dhd_ethtool(dhd, (void*)ifr->ifr_data); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + return ret; + } +#endif /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 2) */ + + if (cmd == SIOCDEVPRIVATE+1) { + ret = wl_android_priv_cmd(net, ifr, cmd); + dhd_check_hang(net, &dhd->pub, ret); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + return ret; + } + + if (cmd != SIOCDEVPRIVATE) { + DHD_OS_WAKE_UNLOCK(&dhd->pub); + 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(ioc.len, DHD_IOCTL_MAXLEN); + /* optimization for direct ioctl calls from kernel */ + /* + if (segment_eq(get_fs(), KERNEL_DS)) { + buf = ioc.buf; + } else { + */ + { + if (!(buf = (char*)MALLOC(dhd->pub.osh, buflen))) { + 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) { + bcmerror = BCME_DONGLE_DOWN; + goto done; + } + + if (!dhd->pub.iswl) { + bcmerror = BCME_DONGLE_DOWN; + goto done; + } + + /* + * Flush the TX queue if required for proper message serialization: + * Intercept WLC_SET_KEY IOCTL - serialize M4 send and set key IOCTL to + * prevent M4 encryption and + * intercept WLC_DISASSOC IOCTL - serialize WPS-DONE and WLC_DISASSOC IOCTL to + * prevent disassoc frame being sent before WPS-DONE frame. + */ + if (ioc.cmd == WLC_SET_KEY || + (ioc.cmd == WLC_SET_VAR && ioc.buf != NULL && + strncmp("wsec_key", ioc.buf, 9) == 0) || + (ioc.cmd == WLC_SET_VAR && ioc.buf != NULL && + strncmp("bsscfg:wsec_key", ioc.buf, 15) == 0) || + ioc.cmd == WLC_DISASSOC) + dhd_wait_pend8021x(net); + +#ifdef WLMEDIA_HTSF + if (ioc.buf) { + /* short cut wl ioctl calls here */ + if (strcmp("htsf", ioc.buf) == 0) { + dhd_ioctl_htsf_get(dhd, 0); + return BCME_OK; + } + + if (strcmp("htsflate", ioc.buf) == 0) { + if (ioc.set) { + memset(ts, 0, sizeof(tstamp_t)*TSMAX); + memset(&maxdelayts, 0, sizeof(tstamp_t)); + maxdelay = 0; + tspktcnt = 0; + maxdelaypktno = 0; + memset(&vi_d1.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d2.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d3.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d4.bin, 0, sizeof(uint32)*NUMBIN); + } else { + dhd_dump_latency(); + } + return BCME_OK; + } + if (strcmp("htsfclear", ioc.buf) == 0) { + memset(&vi_d1.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d2.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d3.bin, 0, sizeof(uint32)*NUMBIN); + memset(&vi_d4.bin, 0, sizeof(uint32)*NUMBIN); + htsf_seqnum = 0; + return BCME_OK; + } + if (strcmp("htsfhis", ioc.buf) == 0) { + dhd_dump_htsfhisto(&vi_d1, "H to D"); + dhd_dump_htsfhisto(&vi_d2, "D to D"); + dhd_dump_htsfhisto(&vi_d3, "D to H"); + dhd_dump_htsfhisto(&vi_d4, "H to H"); + return BCME_OK; + } + if (strcmp("tsport", ioc.buf) == 0) { + if (ioc.set) { + memcpy(&tsport, ioc.buf + 7, 4); + } else { + DHD_ERROR(("current timestamp port: %d \n", tsport)); + } + return BCME_OK; + } + } +#endif /* WLMEDIA_HTSF */ + + bcmerror = dhd_wl_ioctl(&dhd->pub, ifidx, (wl_ioctl_t *)&ioc, buf, buflen); + +done: + dhd_check_hang(net, &dhd->pub, bcmerror); + + if (!bcmerror && buf && ioc.buf) { + if (copy_to_user(ioc.buf, buf, buflen)) + bcmerror = -EFAULT; + } + + if (buf) + MFREE(dhd->pub.osh, buf, buflen); + + DHD_OS_WAKE_UNLOCK(&dhd->pub); + + return OSL_ERROR(bcmerror); +} + +#ifdef WL_CFG80211 +static int +dhd_cleanup_virt_ifaces(dhd_info_t *dhd) +{ + int i = 1; /* Leave ifidx 0 [Primary Interface] */ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + int rollback_lock = FALSE; +#endif + + DHD_TRACE(("%s: Enter \n", __func__)); + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + /* release lock for unregister_netdev */ + if (rtnl_is_locked()) { + rtnl_unlock(); + rollback_lock = TRUE; + } +#endif + + for (i = 1; i < DHD_MAX_IFS; i++) { + dhd_net_if_lock_local(dhd); + if (dhd->iflist[i]) { + DHD_TRACE(("Deleting IF: %d \n", i)); + if ((dhd->iflist[i]->state != DHD_IF_DEL) && + (dhd->iflist[i]->state != DHD_IF_DELETING)) { + dhd->iflist[i]->state = DHD_IF_DEL; + dhd->iflist[i]->idx = i; + dhd_op_if(dhd->iflist[i]); + } + } + dhd_net_if_unlock_local(dhd); + } + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + if (rollback_lock) + rtnl_lock(); +#endif + + return 0; +} +#endif /* WL_CFG80211 */ + +static int +dhd_stop(struct net_device *net) +{ + int ifidx = 0; + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net); + DHD_OS_WAKE_LOCK(&dhd->pub); + DHD_TRACE(("%s: Enter %p\n", __FUNCTION__, net)); + if (dhd->pub.up == 0) { + goto exit; + } + ifidx = dhd_net2idx(dhd, net); + +#ifdef WL_CFG80211 + if (ifidx == 0) { + wl_cfg80211_down(NULL); + + /* + * For CFG80211: Clean up all the left over virtual interfaces + * when the primary Interface is brought down. [ifconfig wlan0 down] + */ + if ((dhd->dhd_state & DHD_ATTACH_STATE_ADD_IF) && + (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211)) { + dhd_cleanup_virt_ifaces(dhd); + } + } +#endif + +#ifdef PROP_TXSTATUS + dhd_wlfc_cleanup(&dhd->pub); +#endif + /* Set state and stop OS transmissions */ + dhd->pub.up = 0; + netif_stop_queue(net); + + /* Stop the protocol module */ + dhd_prot_stop(&dhd->pub); + + OLD_MOD_DEC_USE_COUNT; +exit: +#if defined(WL_CFG80211) + if (ifidx == 0 && !dhd_download_fw_on_driverload) + wl_android_wifi_off(net); +#endif + dhd->pub.rxcnt_timeout = 0; + dhd->pub.txcnt_timeout = 0; + + DHD_OS_WAKE_UNLOCK(&dhd->pub); + return 0; +} + +static int +dhd_open(struct net_device *net) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(net); + +#ifdef TOE + uint32 toe_ol; +#endif + int ifidx; + int32 ret = 0; + + DHD_OS_WAKE_LOCK(&dhd->pub); + /* Update FW path if it was changed */ + if ((firmware_path != NULL) && (firmware_path[0] != '\0')) { + if (firmware_path[strlen(firmware_path)-1] == '\n') + firmware_path[strlen(firmware_path)-1] = '\0'; + strcpy(fw_path, firmware_path); + firmware_path[0] = '\0'; + } + + dhd->pub.hang_was_sent = 0; +#if !defined(WL_CFG80211) + /* + * Force start if ifconfig_up gets called before START command + * We keep WEXT's wl_control_wl_start to provide backward compatibility + * This should be removed in the future + */ + ret = wl_control_wl_start(net); + if (ret != 0) { + DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret)); + ret = -1; + goto exit; + } +#endif + + ifidx = dhd_net2idx(dhd, net); + DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx)); + + if (ifidx < 0) { + DHD_ERROR(("%s: Error: called with invalid IF\n", __FUNCTION__)); + ret = -1; + goto exit; + } + + if (!dhd->iflist[ifidx] || dhd->iflist[ifidx]->state == DHD_IF_DEL) { + DHD_ERROR(("%s: Error: called when IF already deleted\n", __FUNCTION__)); + ret = -1; + goto exit; + } + + if (ifidx == 0) { + atomic_set(&dhd->pend_8021x_cnt, 0); +#if defined(WL_CFG80211) + DHD_ERROR(("\n%s\n", dhd_version)); + if (!dhd_download_fw_on_driverload) { + ret = wl_android_wifi_on(net); + if (ret != 0) { + DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret)); + ret = -1; + goto exit; + } + } +#endif /* defined(WL_CFG80211) */ + + if (dhd->pub.busstate != DHD_BUS_DATA) { + + /* try to bring up bus */ + if ((ret = dhd_bus_start(&dhd->pub)) != 0) { + DHD_ERROR(("%s: failed with code %d\n", __FUNCTION__, ret)); + ret = -1; + goto exit; + } + + } + + /* dhd_prot_init has been called in dhd_bus_start or wl_android_wifi_on */ + memcpy(net->dev_addr, dhd->pub.mac.octet, ETHER_ADDR_LEN); + +#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 /* TOE */ + +#if defined(WL_CFG80211) + if (unlikely(wl_cfg80211_up(NULL))) { + DHD_ERROR(("%s: failed to bring up cfg80211\n", __FUNCTION__)); + ret = -1; + goto exit; + } +#endif /* WL_CFG80211 */ + } + + /* Allow transmit calls */ + netif_start_queue(net); + dhd->pub.up = 1; + +#ifdef BCMDBGFS + dhd_dbg_init(&dhd->pub); +#endif + + OLD_MOD_INC_USE_COUNT; +exit: + if (ret) + dhd_stop(net); + + DHD_OS_WAKE_UNLOCK(&dhd->pub); + return ret; +} + +int dhd_do_driver_init(struct net_device *net) +{ + dhd_info_t *dhd = NULL; + + if (!net) { + DHD_ERROR(("Primary Interface not initialized \n")); + return -EINVAL; + } + + dhd = *(dhd_info_t **)netdev_priv(net); + + /* If driver is already initialized, do nothing + */ + if (dhd->pub.busstate == DHD_BUS_DATA) { + DHD_TRACE(("Driver already Inititalized. Nothing to do")); + return 0; + } + + if (dhd_open(net) < 0) { + DHD_ERROR(("Driver Init Failed \n")); + return -1; + } + + return 0; +} + +osl_t * +dhd_osl_attach(void *pdev, uint bustype) +{ + return osl_attach(pdev, bustype, TRUE); +} + +void +dhd_osl_detach(osl_t *osh) +{ + if (MALLOCED(osh)) { + DHD_ERROR(("%s: MEMORY LEAK %d bytes\n", __FUNCTION__, MALLOCED(osh))); + } + osl_detach(osh); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + up(&dhd_registration_sem); +#endif +} + +int +dhd_add_if(dhd_info_t *dhd, int ifidx, void *handle, char *name, + uint8 *mac_addr, uint32 flags, uint8 bssidx) +{ + dhd_if_t *ifp; + + DHD_TRACE(("%s: idx %d, handle->%p\n", __FUNCTION__, ifidx, handle)); + + ASSERT(dhd && (ifidx < DHD_MAX_IFS)); + + ifp = dhd->iflist[ifidx]; + if (ifp != NULL) { + if (ifp->net != NULL) { + netif_stop_queue(ifp->net); + unregister_netdev(ifp->net); + free_netdev(ifp->net); + } + } else + if ((ifp = MALLOC(dhd->pub.osh, sizeof(dhd_if_t))) == NULL) { + DHD_ERROR(("%s: OOM - dhd_if_t\n", __FUNCTION__)); + return -ENOMEM; + } + + memset(ifp, 0, sizeof(dhd_if_t)); + ifp->info = dhd; + dhd->iflist[ifidx] = ifp; + strncpy(ifp->name, name, IFNAMSIZ); + ifp->name[IFNAMSIZ] = '\0'; + if (mac_addr != NULL) + memcpy(&ifp->mac_addr, mac_addr, ETHER_ADDR_LEN); + + if (handle == NULL) { + ifp->state = DHD_IF_ADD; + ifp->idx = ifidx; + ifp->bssidx = bssidx; + ASSERT(dhd->thr_sysioc_ctl.thr_pid >= 0); + up(&dhd->thr_sysioc_ctl.sema); + } 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", __FUNCTION__, ifidx)); + + ASSERT(dhd && ifidx && (ifidx < DHD_MAX_IFS)); + ifp = dhd->iflist[ifidx]; + if (!ifp) { + DHD_ERROR(("%s: Null interface\n", __FUNCTION__)); + return; + } + + ifp->state = DHD_IF_DEL; + ifp->idx = ifidx; + ASSERT(dhd->thr_sysioc_ctl.thr_pid >= 0); + up(&dhd->thr_sysioc_ctl.sema); +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) +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, +}; + +static struct net_device_ops dhd_ops_virt = { + .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, +}; +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) */ + +dhd_pub_t * +dhd_attach(osl_t *osh, struct dhd_bus *bus, uint bus_hdrlen) +{ + dhd_info_t *dhd = NULL; + struct net_device *net = NULL; + + dhd_attach_states_t dhd_state = DHD_ATTACH_STATE_INIT; + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + /* updates firmware nvram path if it was provided as module parameters */ + 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 */ + if (!(net = alloc_etherdev(sizeof(dhd)))) { + DHD_ERROR(("%s: OOM - alloc_etherdev\n", __FUNCTION__)); + goto fail; + } + dhd_state |= DHD_ATTACH_STATE_NET_ALLOC; + + /* Allocate primary dhd_info */ + if (!(dhd = MALLOC(osh, sizeof(dhd_info_t)))) { + DHD_ERROR(("%s: OOM - alloc dhd_info\n", __FUNCTION__)); + goto fail; + } + memset(dhd, 0, sizeof(dhd_info_t)); + +#ifdef DHDTHREAD + dhd->thr_dpc_ctl.thr_pid = DHD_PID_KT_TL_INVALID; + dhd->thr_wdt_ctl.thr_pid = DHD_PID_KT_INVALID; +#else + dhd->dhd_tasklet_create = FALSE; +#endif /* DHDTHREAD */ + dhd->thr_sysioc_ctl.thr_pid = DHD_PID_KT_INVALID; + dhd_state |= DHD_ATTACH_STATE_DHD_ALLOC; + + /* + * Save the dhd_info into the priv + */ + memcpy((void *)netdev_priv(net), &dhd, sizeof(dhd)); + dhd->pub.osh = osh; + + /* Link to info module */ + dhd->pub.info = dhd; + /* Link to bus module */ + dhd->pub.bus = bus; + dhd->pub.hdrlen = bus_hdrlen; + + /* 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"); + } + + sema_init(&dhd->proto_sem, 1); + sema_init(&dhd->sdsem, 1); + +#ifdef PROP_TXSTATUS + spin_lock_init(&dhd->wlfc_spinlock); + dhd->pub.wlfc_enabled = TRUE; +#endif /* PROP_TXSTATUS */ + + /* 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); + spin_lock_init(&dhd->dhd_lock); + + + if (dhd_add_if(dhd, 0, (void *)net, net->name, NULL, 0, 0) == DHD_BAD_IF) + goto fail; + dhd_state |= DHD_ATTACH_STATE_ADD_IF; + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)) + net->open = NULL; +#else + net->netdev_ops = NULL; +#endif + + /* Initialize Wakelock stuff */ + spin_lock_init(&dhd->wakelock_spinlock); + dhd->wakelock_counter = 0; + dhd->wakelock_rx_timeout_enable = 0; + dhd->wakelock_ctrl_timeout_enable = 0; +#ifdef CONFIG_HAS_WAKELOCK + wake_lock_init(&dhd->wl_wifi, WAKE_LOCK_SUSPEND, "wlan_wake"); + wake_lock_init(&dhd->wl_rxwake, WAKE_LOCK_SUSPEND, "wlan_rx_wake"); + wake_lock_init(&dhd->wl_ctrlwake, WAKE_LOCK_SUSPEND, "wlan_ctrl_wake"); +#endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + mutex_init(&dhd->dhd_net_if_mutex); + mutex_init(&dhd->dhd_suspend_mutex); +#endif + dhd_state |= DHD_ATTACH_STATE_WAKELOCKS_INIT; + + /* Attach and link in the protocol */ + if (dhd_prot_attach(&dhd->pub) != 0) { + DHD_ERROR(("dhd_prot_attach failed\n")); + goto fail; + } + dhd_state |= DHD_ATTACH_STATE_PROT_ATTACH; + +#ifdef WL_CFG80211 + /* Attach and link in the cfg80211 */ + if (unlikely(wl_cfg80211_attach(net, &dhd->pub))) { + DHD_ERROR(("wl_cfg80211_attach failed\n")); + goto fail; + } + + dhd_monitor_init(&dhd->pub); + dhd_state |= DHD_ATTACH_STATE_CFG80211; +#endif +#if defined(WL_WIRELESS_EXT) + /* Attach and link in the iw */ + if (!(dhd_state & DHD_ATTACH_STATE_CFG80211)) { + if (wl_iw_attach(net, (void *)&dhd->pub) != 0) { + DHD_ERROR(("wl_iw_attach failed\n")); + goto fail; + } + dhd_state |= DHD_ATTACH_STATE_WL_ATTACH; + } +#endif /* defined(WL_WIRELESS_EXT) */ + + + /* Set up the watchdog timer */ + init_timer(&dhd->timer); + dhd->timer.data = (ulong)dhd; + dhd->timer.function = dhd_watchdog; + +#ifdef DHDTHREAD + /* Initialize thread based operation and lock */ + 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 */ + PROC_START(dhd_watchdog_thread, dhd, &dhd->thr_wdt_ctl, 0); + } else { + dhd->thr_wdt_ctl.thr_pid = -1; + } + + /* Set up the bottom half handler */ + if (dhd_dpc_prio >= 0) { + /* Initialize DPC thread */ + PROC_START(dhd_dpc_thread, dhd, &dhd->thr_dpc_ctl, 0); + } else { + /* use tasklet for dpc */ + tasklet_init(&dhd->tasklet, dhd_dpc, (ulong)dhd); + dhd->thr_dpc_ctl.thr_pid = -1; + } +#else + /* Set up the bottom half handler */ + tasklet_init(&dhd->tasklet, dhd_dpc, (ulong)dhd); + dhd->dhd_tasklet_create = TRUE; +#endif /* DHDTHREAD */ + + if (dhd_sysioc) { + PROC_START(_dhd_sysioc_thread, dhd, &dhd->thr_sysioc_ctl, 0); + } else { + dhd->thr_sysioc_ctl.thr_pid = -1; + } + dhd_state |= DHD_ATTACH_STATE_THREADS_CREATED; +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + INIT_WORK(&dhd->work_hang, dhd_hang_process); +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ + /* + * Save the dhd_info into the priv + */ + memcpy(netdev_priv(net), &dhd, sizeof(dhd)); + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) + register_pm_notifier(&dhd_sleep_pm_notifier); +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */ + +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_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); + dhd_state |= DHD_ATTACH_STATE_EARLYSUSPEND_DONE; +#endif + +#ifdef ARP_OFFLOAD_SUPPORT + dhd->pend_ipaddr = 0; + register_inetaddr_notifier(&dhd_notifier); +#endif /* ARP_OFFLOAD_SUPPORT */ + + dhd_state |= DHD_ATTACH_STATE_DONE; + dhd->dhd_state = dhd_state; + return &dhd->pub; + +fail: + if (dhd_state < DHD_ATTACH_STATE_DHD_ALLOC) { + if (net) free_netdev(net); + } else { + DHD_TRACE(("%s: Calling dhd_detach dhd_state 0x%x &dhd->pub %p\n", + __FUNCTION__, dhd_state, &dhd->pub)); + dhd->dhd_state = dhd_state; + dhd_detach(&dhd->pub); + dhd_free(&dhd->pub); + } + + return NULL; +} + +int +dhd_bus_start(dhd_pub_t *dhdp) +{ + int ret = -1; + dhd_info_t *dhd = (dhd_info_t*)dhdp->info; + unsigned long flags; + + ASSERT(dhd); + + DHD_TRACE(("Enter %s:\n", __FUNCTION__)); + +#ifdef DHDTHREAD + if (dhd->threads_only) + dhd_os_sdlock(dhdp); +#endif /* DHDTHREAD */ + + /* try to download image and nvram to the dongle */ + if ((dhd->pub.busstate == DHD_BUS_DOWN) && + (fw_path != NULL) && (fw_path[0] != '\0') && + (nv_path != NULL) && (nv_path[0] != '\0')) { + /* wake lock moved to dhdsdio_download_firmware */ + 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", + __FUNCTION__, fw_path, nv_path)); +#ifdef DHDTHREAD + if (dhd->threads_only) + dhd_os_sdunlock(dhdp); +#endif /* DHDTHREAD */ + return -1; + } + } + if (dhd->pub.busstate != DHD_BUS_LOAD) { +#ifdef DHDTHREAD + if (dhd->threads_only) + dhd_os_sdunlock(dhdp); +#endif /* DHDTHREAD */ + return -ENETDOWN; + } + + /* Start the watchdog timer */ + dhd->pub.tickcnt = 0; + dhd_os_wd_timer(&dhd->pub, dhd_watchdog_ms); + + /* Bring up the bus */ + if ((ret = dhd_bus_init(&dhd->pub, FALSE)) != 0) { + + DHD_ERROR(("%s, dhd_bus_init failed %d\n", __FUNCTION__, ret)); +#ifdef DHDTHREAD + if (dhd->threads_only) + dhd_os_sdunlock(dhdp); +#endif /* DHDTHREAD */ + return ret; + } +#if defined(OOB_INTR_ONLY) + /* Host registration for OOB interrupt */ + if (bcmsdh_register_oob_intr(dhdp)) { + /* deactivate timer and wait for the handler to finish */ + + flags = dhd_os_spin_lock(&dhd->pub); + dhd->wd_timer_valid = FALSE; + dhd_os_spin_unlock(&dhd->pub, flags); + del_timer_sync(&dhd->timer); + + DHD_ERROR(("%s Host failed to register for OOB\n", __FUNCTION__)); +#ifdef DHDTHREAD + if (dhd->threads_only) + dhd_os_sdunlock(dhdp); +#endif /* DHDTHREAD */ + 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) { + flags = dhd_os_spin_lock(&dhd->pub); + dhd->wd_timer_valid = FALSE; + dhd_os_spin_unlock(&dhd->pub, flags); + del_timer_sync(&dhd->timer); + DHD_ERROR(("%s failed bus is not ready\n", __FUNCTION__)); +#ifdef DHDTHREAD + if (dhd->threads_only) + dhd_os_sdunlock(dhdp); +#endif /* DHDTHREAD */ + return -ENODEV; + } + +#ifdef DHDTHREAD + if (dhd->threads_only) + dhd_os_sdunlock(dhdp); +#endif /* DHDTHREAD */ + +#ifdef READ_MACADDR + dhd_read_macaddr(dhd); +#endif + + /* Bus is ready, do any protocol initialization */ + if ((ret = dhd_prot_init(&dhd->pub)) < 0) + return ret; + +#ifdef WRITE_MACADDR + dhd_write_macaddr(dhd->pub.mac.octet); +#endif + +#ifdef ARP_OFFLOAD_SUPPORT + if (dhd->pend_ipaddr) { +#ifdef AOE_IP_ALIAS_SUPPORT + aoe_update_host_ipv4_table(&dhd->pub, dhd->pend_ipaddr, TRUE); +#endif /* AOE_IP_ALIAS_SUPPORT */ + dhd->pend_ipaddr = 0; + } +#endif /* ARP_OFFLOAD_SUPPORT */ + + return 0; +} + +#if !defined(AP) && defined(WLP2P) && defined(WL_ENABLE_P2P_IF) +/* For Android ICS MR2 release, the concurrent mode is enabled by default and the firmware + * name would be fw_bcmdhd.bin. So we need to determine whether P2P is enabled in the STA + * firmware and accordingly enable concurrent mode (Apply P2P settings). SoftAP firmware + * would still be named as fw_bcmdhd_apsta. + */ +static u32 +dhd_concurrent_fw(dhd_pub_t *dhd) +{ + int ret = 0; + char buf[WLC_IOCTL_SMLEN]; + + if ((!op_mode) && (strstr(fw_path, "_p2p") == NULL) && + (strstr(fw_path, "_apsta") == NULL)) { + /* Given path is for the STA firmware. Check whether P2P support is present in + * the firmware. If so, set mode as P2P (concurrent support). + */ + memset(buf, 0, sizeof(buf)); + bcm_mkiovar("p2p", 0, 0, buf, sizeof(buf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf), + FALSE, 0)) < 0) { + DHD_ERROR(("%s: Get P2P failed (error=%d)\n", __FUNCTION__, ret)); + } else if (buf[0] == 1) { + DHD_TRACE(("%s: P2P is supported\n", __FUNCTION__)); + return 1; + } + } + return ret; +} +#endif + +/* + * dhd_preinit_ioctls makes special pre-setting in the firmware before radio turns on + * returns : 0 if all settings passed or negative value if anything failed +*/ +int +dhd_preinit_ioctls(dhd_pub_t *dhd) +{ + int ret = 0; + char eventmask[WL_EVENTING_MASK_LEN]; + char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + '\0' + bitvec */ +#if !defined(WL_CFG80211) + uint up = 0; +#endif /* defined(WL_CFG80211) */ + uint power_mode = PM_FAST; + uint32 dongle_align = DHD_SDALIGN; + uint32 glom = 0; + uint bcn_timeout = DHD_BEACON_TIMEOUT_NORMAL; + + uint retry_max = 3; +#if defined(ARP_OFFLOAD_SUPPORT) + int arpoe = 1; +#endif +#if defined(KEEP_ALIVE) + int res; +#endif /* defined(KEEP_ALIVE) */ + int scan_assoc_time = DHD_SCAN_ACTIVE_TIME; + int scan_unassoc_time = 40; + int scan_passive_time = DHD_SCAN_PASSIVE_TIME; + char buf[WLC_IOCTL_SMLEN]; + char *ptr; + uint32 listen_interval = LISTEN_INTERVAL; /* Default Listen Interval in Beacons */ + uint16 chipID; +#if defined(SOFTAP) + uint dtim = 1; +#endif +#if (defined(AP) && !defined(WLP2P)) || (!defined(AP) && defined(WL_CFG80211)) + uint32 mpc = 0; /* Turn MPC off for AP/APSTA mode */ +#endif +#if defined(AP) || defined(WLP2P) + uint32 apsta = 1; /* Enable APSTA mode */ +#endif /* defined(AP) || defined(WLP2P) */ +#ifdef GET_CUSTOM_MAC_ENABLE + struct ether_addr ea_addr; +#endif /* GET_CUSTOM_MAC_ENABLE */ + DHD_TRACE(("Enter %s\n", __FUNCTION__)); + dhd->op_mode = 0; +#ifdef GET_CUSTOM_MAC_ENABLE + ret = dhd_custom_get_mac_address(ea_addr.octet); + if (!ret) { + memset(buf, 0, sizeof(buf)); + bcm_mkiovar("cur_etheraddr", (void *)&ea_addr, ETHER_ADDR_LEN, buf, sizeof(buf)); + ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, sizeof(buf), TRUE, 0); + if (ret < 0) { + DHD_ERROR(("%s: can't set custom MAC address , error=%d\n", __FUNCTION__, ret)); + return BCME_NOTUP; + } + memcpy(dhd->mac.octet, ea_addr.octet, ETHER_ADDR_LEN); + } else { +#endif /* GET_CUSTOM_MAC_ENABLE */ + /* Get the default device MAC address directly from firmware */ + memset(buf, 0, sizeof(buf)); + bcm_mkiovar("cur_etheraddr", 0, 0, buf, sizeof(buf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf), + FALSE, 0)) < 0) { + DHD_ERROR(("%s: can't get MAC address , error=%d\n", __FUNCTION__, ret)); + return BCME_NOTUP; + } + /* Update public MAC address after reading from Firmware */ + memcpy(dhd->mac.octet, buf, ETHER_ADDR_LEN); +#ifdef GET_CUSTOM_MAC_ENABLE + } +#endif /* GET_CUSTOM_MAC_ENABLE */ + +#ifdef SET_RANDOM_MAC_SOFTAP + if ((!op_mode && strstr(fw_path, "_apsta") != NULL) || (op_mode == HOSTAPD_MASK)) { + uint rand_mac; + + srandom32((uint)jiffies); + rand_mac = random32(); + iovbuf[0] = 0x02; /* locally administered bit */ + iovbuf[1] = 0x1A; + iovbuf[2] = 0x11; + iovbuf[3] = (unsigned char)(rand_mac & 0x0F) | 0xF0; + iovbuf[4] = (unsigned char)(rand_mac >> 8); + iovbuf[5] = (unsigned char)(rand_mac >> 16); + + bcm_mkiovar("cur_etheraddr", (void *)iovbuf, ETHER_ADDR_LEN, buf, sizeof(buf)); + ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, sizeof(buf), TRUE, 0); + if (ret < 0) { + DHD_ERROR(("%s: can't set MAC address , error=%d\n", __FUNCTION__, ret)); + } else + memcpy(dhd->mac.octet, iovbuf, ETHER_ADDR_LEN); + } +#endif /* SET_RANDOM_MAC_SOFTAP */ + + DHD_TRACE(("Firmware = %s\n", fw_path)); + +#if !defined(AP) && defined(WLP2P) + /* Check if firmware with WFD support used */ +#if defined(WL_ENABLE_P2P_IF) + if ((ret = dhd_concurrent_fw(dhd)) < 0) { + DHD_ERROR(("%s error : firmware can't support p2p mode\n", __FUNCTION__)); + goto done; + } +#endif /* (WL_ENABLE_P2P_IF) */ + + if ((!op_mode && strstr(fw_path, "_p2p") != NULL) +#if defined(WL_ENABLE_P2P_IF) + || (op_mode == WFD_MASK) || (dhd_concurrent_fw(dhd) == 1) +#endif + ) { + bcm_mkiovar("apsta", (char *)&apsta, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, + iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s APSTA setting failed ret= %d\n", __FUNCTION__, ret)); + } else { + dhd->op_mode |= WFD_MASK; +#if !defined(WL_ENABLE_P2P_IF) + /* ICS back capability : disable any packet filtering for p2p only mode */ + dhd_pkt_filter_enable = FALSE; +#endif /*!defined(WL_ENABLE_P2P_IF) */ + } + } +#endif + +#if !defined(AP) && defined(WL_CFG80211) + /* Check if firmware with HostAPD support used */ + if ((!op_mode && strstr(fw_path, "_apsta") != NULL) || (op_mode == HOSTAPD_MASK)) { + /* Disable A-band for HostAPD */ + uint band = WLC_BAND_2G; + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_BAND, (char *)&band, sizeof(band), + TRUE, 0)) < 0) { + DHD_ERROR(("%s:set band failed error (%d)\n", __FUNCTION__, ret)); + } + + /* Turn off wme if we are having only g ONLY firmware */ + bcm_mkiovar("nmode", 0, 0, buf, sizeof(buf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf), + FALSE, 0)) < 0) { + DHD_ERROR(("%s:get nmode failed error (%d)\n", __FUNCTION__, ret)); + } + else { + DHD_TRACE(("%s:get nmode returned %d\n", __FUNCTION__,buf[0])); + } + if (buf[0] == 0) { + int wme = 0; + bcm_mkiovar("wme", (char *)&wme, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s set wme for HostAPD failed %d\n", __FUNCTION__, ret)); + } + else { + DHD_TRACE(("%s set wme succeeded for g ONLY firmware\n", __FUNCTION__)); + } + } + /* Turn off MPC in AP mode */ + bcm_mkiovar("mpc", (char *)&mpc, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, + sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s mpc for HostAPD failed %d\n", __FUNCTION__, ret)); + } else { + dhd->op_mode |= HOSTAPD_MASK; +#if defined(ARP_OFFLOAD_SUPPORT) + arpoe = 0; +#endif /* (ARP_OFFLOAD_SUPPORT) */ + /* disable any filtering for SoftAP mode */ + dhd_pkt_filter_enable = FALSE; + } + } +#endif + +#if !defined(WL_ENABLE_P2P_IF) + /* ICS mode setting for sta */ + if ((dhd->op_mode != WFD_MASK) && (dhd->op_mode != HOSTAPD_MASK)) { + /* STA only operation mode */ + dhd->op_mode |= STA_MASK; + dhd_pkt_filter_enable = TRUE; + } +#endif /* !defined(WL_ENABLE_P2P_IF) */ + + DHD_ERROR(("Firmware up: op_mode=%d, " + "Broadcom Dongle Host Driver mac=%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", + dhd->op_mode, + dhd->mac.octet[0], dhd->mac.octet[1], dhd->mac.octet[2], + dhd->mac.octet[3], dhd->mac.octet[4], dhd->mac.octet[5])); + + /* Set Country code */ + if (dhd->dhd_cspec.ccode[0] != 0) { + bcm_mkiovar("country", (char *)&dhd->dhd_cspec, + sizeof(wl_country_t), iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) + DHD_ERROR(("%s: country code setting failed\n", __FUNCTION__)); + } + + /* Set Listen Interval */ + bcm_mkiovar("assoc_listen", (char *)&listen_interval, 4, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) + DHD_ERROR(("%s assoc_listen failed %d\n", __FUNCTION__, ret)); + + /* Set PowerSave mode */ + dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode), TRUE, 0); + + /* Match Host and Dongle rx alignment */ + bcm_mkiovar("bus:txglomalign", (char *)&dongle_align, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + + /* disable glom option for some chips */ + chipID = (uint16)dhd_bus_chip_id(dhd); + if ((chipID == BCM4330_CHIP_ID) || (chipID == BCM4329_CHIP_ID)) { + DHD_INFO(("%s disable glom for chipID=0x%X\n", __FUNCTION__, chipID)); + bcm_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + } + + /* Setup timeout if Beacons are lost and roam is off to report link down */ + bcm_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + /* Setup assoc_retry_max count to reconnect target AP in dongle */ + bcm_mkiovar("assoc_retry_max", (char *)&retry_max, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + +#if defined(AP) && !defined(WLP2P) + /* Turn off MPC in AP mode */ + bcm_mkiovar("mpc", (char *)&mpc, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); + bcm_mkiovar("apsta", (char *)&apsta, 4, iovbuf, sizeof(iovbuf)); + dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); +#endif /* defined(AP) && !defined(WLP2P) */ + +#if defined(SOFTAP) + if (ap_fw_loaded == TRUE) { + dhd_wl_ioctl_cmd(dhd, WLC_SET_DTIMPRD, (char *)&dtim, sizeof(dtim), TRUE, 0); + } +#endif + +#if defined(KEEP_ALIVE) + /* Set Keep Alive : be sure to use FW with -keepalive */ +#if defined(SOFTAP) + if (ap_fw_loaded == FALSE) +#endif + if ((res = dhd_keep_alive_onoff(dhd)) < 0) + DHD_ERROR(("%s set keeplive failed %d\n", + __FUNCTION__, res)); +#endif /* defined(KEEP_ALIVE) */ + + /* Read event_msgs mask */ + bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0)) < 0) { + DHD_ERROR(("%s read Event mask failed %d\n", __FUNCTION__, ret)); + goto done; + } + bcopy(iovbuf, eventmask, WL_EVENTING_MASK_LEN); + + /* Setup event_msgs */ + setbit(eventmask, WLC_E_SET_SSID); + setbit(eventmask, WLC_E_PRUNE); + setbit(eventmask, WLC_E_AUTH); + setbit(eventmask, WLC_E_REASSOC); + setbit(eventmask, WLC_E_REASSOC_IND); + setbit(eventmask, WLC_E_DEAUTH); + setbit(eventmask, WLC_E_DEAUTH_IND); + setbit(eventmask, WLC_E_DISASSOC_IND); + setbit(eventmask, WLC_E_DISASSOC); + setbit(eventmask, WLC_E_JOIN); + setbit(eventmask, WLC_E_ASSOC_IND); + setbit(eventmask, WLC_E_PSK_SUP); + setbit(eventmask, WLC_E_LINK); + setbit(eventmask, WLC_E_NDIS_LINK); + setbit(eventmask, WLC_E_MIC_ERROR); + setbit(eventmask, WLC_E_ASSOC_REQ_IE); + setbit(eventmask, WLC_E_ASSOC_RESP_IE); + setbit(eventmask, WLC_E_PMKID_CACHE); + setbit(eventmask, WLC_E_TXFAIL); + setbit(eventmask, WLC_E_JOIN_START); + setbit(eventmask, WLC_E_SCAN_COMPLETE); +#ifdef WLMEDIA_HTSF + setbit(eventmask, WLC_E_HTSFSYNC); +#endif /* WLMEDIA_HTSF */ +#ifdef PNO_SUPPORT + setbit(eventmask, WLC_E_PFN_NET_FOUND); +#endif /* PNO_SUPPORT */ + /* enable dongle roaming event */ + setbit(eventmask, WLC_E_ROAM); +#ifdef WL_CFG80211 + setbit(eventmask, WLC_E_ESCAN_RESULT); + if ((dhd->op_mode & WFD_MASK) == WFD_MASK) { + setbit(eventmask, WLC_E_ACTION_FRAME_RX); + setbit(eventmask, WLC_E_ACTION_FRAME_COMPLETE); + setbit(eventmask, WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE); + setbit(eventmask, WLC_E_P2P_PROBREQ_MSG); + setbit(eventmask, WLC_E_P2P_DISC_LISTEN_COMPLETE); + } +#endif /* WL_CFG80211 */ + + /* Write updated Event mask */ + bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { + DHD_ERROR(("%s Set Event mask failed %d\n", __FUNCTION__, ret)); + goto done; + } + + dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_CHANNEL_TIME, (char *)&scan_assoc_time, + sizeof(scan_assoc_time), TRUE, 0); + dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_UNASSOC_TIME, (char *)&scan_unassoc_time, + sizeof(scan_unassoc_time), TRUE, 0); + dhd_wl_ioctl_cmd(dhd, WLC_SET_SCAN_PASSIVE_TIME, (char *)&scan_passive_time, + sizeof(scan_passive_time), TRUE, 0); + +#ifdef ARP_OFFLOAD_SUPPORT + /* Set and enable ARP offload feature for STA only */ +#if defined(SOFTAP) + if (arpoe && !ap_fw_loaded) { +#else + if (arpoe) { +#endif + dhd_arp_offload_set(dhd, dhd_arp_mode); + dhd_arp_offload_enable(dhd, arpoe); + } else { + dhd_arp_offload_set(dhd, 0); + dhd_arp_offload_enable(dhd, FALSE); + } +#endif /* ARP_OFFLOAD_SUPPORT */ + +#ifdef PKT_FILTER_SUPPORT + /* Setup defintions for pktfilter , enable in suspend */ + dhd->pktfilter_count = 5; + /* Setup filter to allow only unicast */ + dhd->pktfilter[0] = "100 0 0 0 0x01 0x00"; + dhd->pktfilter[1] = NULL; + dhd->pktfilter[2] = NULL; + dhd->pktfilter[3] = NULL; + /* Add filter to pass multicastDNS packet and NOT filter out as Broadcast */ + dhd->pktfilter[4] = "104 0 0 0 0xFFFFFFFFFFFF 0x01005E0000FB"; +#if defined(SOFTAP) + if (ap_fw_loaded) { + int i; + for (i = 0; i < dhd->pktfilter_count; i++) { + dhd_pktfilter_offload_enable(dhd, dhd->pktfilter[i], + 0, dhd_master_mode); + } + } +#endif /* defined(SOFTAP) */ +#endif /* PKT_FILTER_SUPPORT */ + +#if !defined(WL_CFG80211) + /* Force STA UP */ + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_UP, (char *)&up, sizeof(up), TRUE, 0)) < 0) { + DHD_ERROR(("%s Setting WL UP failed %d\n", __FUNCTION__, ret)); + goto done; + } +#endif + /* query for 'ver' to get version info from firmware */ + memset(buf, 0, sizeof(buf)); + ptr = buf; + bcm_mkiovar("ver", (char *)&buf, 4, buf, sizeof(buf)); + if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, sizeof(buf), FALSE, 0)) < 0) + DHD_ERROR(("%s failed %d\n", __FUNCTION__, ret)); + else { + bcmstrtok(&ptr, "\n", 0); + /* Print fw version info */ + DHD_ERROR(("Firmware version = %s\n", buf)); + + dhd_set_version_info(dhd, buf); + + DHD_BLOG(buf, strlen(buf) + 1); + DHD_BLOG(dhd_version, strlen(dhd_version) + 1); + + /* Check and adjust IOCTL response timeout for Manufactring firmware */ + if (strstr(buf, MANUFACTRING_FW) != NULL) { + dhd_os_set_ioctl_resp_timeout(IOCTL_RESP_TIMEOUT * 10); + DHD_ERROR(("%s : adjust IOCTL response time for Manufactring Firmware\n", __FUNCTION__)); + } + } + +done: + return ret; +} + + +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 = TRUE; + + ret = dhd_wl_ioctl(pub, ifidx, &ioc, ioc.buf, ioc.len); + if (!set && ret >= 0) + memcpy(cmd_buf, buf, cmd_len); + + return ret; +} + +int dhd_change_mtu(dhd_pub_t *dhdp, int new_mtu, int ifidx) +{ + struct dhd_info *dhd = dhdp->info; + struct net_device *dev = NULL; + + ASSERT(dhd && dhd->iflist[ifidx]); + dev = dhd->iflist[ifidx]->net; + ASSERT(dev); + + if (netif_running(dev)) { + DHD_ERROR(("%s: Must be down to change its MTU", dev->name)); + return BCME_NOTDOWN; + } + +#define DHD_MIN_MTU 1500 +#define DHD_MAX_MTU 1752 + + if ((new_mtu < DHD_MIN_MTU) || (new_mtu > DHD_MAX_MTU)) { + DHD_ERROR(("%s: MTU size %d is invalid.\n", __FUNCTION__, new_mtu)); + return BCME_BADARG; + } + + dev->mtu = new_mtu; + return 0; +} + +#ifdef ARP_OFFLOAD_SUPPORT +/* add or remove AOE host ip(s) (up to 8 IPs on the interface) */ +void +aoe_update_host_ipv4_table(dhd_pub_t *dhd_pub, u32 ipa, bool add) +{ + u32 ipv4_buf[MAX_IPV4_ENTRIES]; /* temp save for AOE host_ip table */ + int i; + int ret; + + bzero(ipv4_buf, sizeof(ipv4_buf)); + + /* display what we've got */ + ret = dhd_arp_get_arp_hostip_table(dhd_pub, ipv4_buf, sizeof(ipv4_buf)); + DHD_ARPOE(("%s: hostip table read from Dongle:\n", __FUNCTION__)); +#ifdef AOE_DBG + dhd_print_buf(ipv4_buf, 32, 4); /* max 8 IPs 4b each */ +#endif + /* now we saved hoste_ip table, clr it in the dongle AOE */ + dhd_aoe_hostip_clr(dhd_pub); + + if (ret) { + DHD_ERROR(("%s failed\n", __FUNCTION__)); + return; + } + + for (i = 0; i < MAX_IPV4_ENTRIES; i++) { + if (add && (ipv4_buf[i] == 0)) { + ipv4_buf[i] = ipa; + add = FALSE; /* added ipa to local table */ + DHD_ARPOE(("%s: Saved new IP in temp arp_hostip[%d]\n", + __FUNCTION__, i)); + } else if (ipv4_buf[i] == ipa) { + ipv4_buf[i] = 0; + DHD_ARPOE(("%s: removed IP:%x from temp table %d\n", + __FUNCTION__, ipa, i)); + } + + if (ipv4_buf[i] != 0) { + /* add back host_ip entries from our local cache */ + dhd_arp_offload_add_ip(dhd_pub, ipv4_buf[i]); + DHD_ARPOE(("%s: added IP:%x to dongle arp_hostip[%d]\n\n", + __FUNCTION__, ipv4_buf[i], i)); + } + } +#ifdef AOE_DBG + /* see the resulting hostip table */ + dhd_arp_get_arp_hostip_table(dhd_pub, ipv4_buf, sizeof(ipv4_buf)); + DHD_ARPOE(("%s: read back arp_hostip table:\n", __FUNCTION__)); + dhd_print_buf(ipv4_buf, 32, 4); /* max 8 IPs 4b each */ +#endif +} + +static int dhd_device_event(struct notifier_block *this, + unsigned long event, + void *ptr) +{ + struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; + + dhd_info_t *dhd; + dhd_pub_t *dhd_pub; + + if (!ifa) + return NOTIFY_DONE; + + dhd = *(dhd_info_t **)netdev_priv(ifa->ifa_dev->dev); + dhd_pub = &dhd->pub; + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) + if (ifa->ifa_dev->dev->netdev_ops == &dhd_ops_pri) { +#else + if (ifa->ifa_dev->dev) { +#endif + switch (event) { + case NETDEV_UP: + DHD_ARPOE(("%s: [%s] Up IP: 0x%x\n", + __FUNCTION__, ifa->ifa_label, ifa->ifa_address)); + + if (dhd->pub.busstate != DHD_BUS_DATA) { + DHD_ERROR(("%s: bus not ready, exit\n", __FUNCTION__)); + if (dhd->pend_ipaddr) { + DHD_ERROR(("%s: overwrite pending ipaddr: 0x%x\n", + __FUNCTION__, dhd->pend_ipaddr)); + } + dhd->pend_ipaddr = ifa->ifa_address; + break; + } + +#ifdef AOE_IP_ALIAS_SUPPORT + if (ifa->ifa_label[strlen(ifa->ifa_label)-2] == 0x3a) { + DHD_ARPOE(("%s:add aliased IP to AOE hostip cache\n", + __FUNCTION__)); + aoe_update_host_ipv4_table(dhd_pub, ifa->ifa_address, TRUE); + } + else + aoe_update_host_ipv4_table(dhd_pub, ifa->ifa_address, TRUE); +#endif + break; + + case NETDEV_DOWN: + DHD_ARPOE(("%s: [%s] Down IP: 0x%x\n", + __FUNCTION__, ifa->ifa_label, ifa->ifa_address)); + dhd->pend_ipaddr = 0; +#ifdef AOE_IP_ALIAS_SUPPORT + if (!(ifa->ifa_label[strlen(ifa->ifa_label)-2] == 0x3a)) { + DHD_ARPOE(("%s: primary interface is down, AOE clr all\n", + __FUNCTION__)); + dhd_aoe_hostip_clr(&dhd->pub); + dhd_aoe_arp_clr(&dhd->pub); + } else + aoe_update_host_ipv4_table(dhd_pub, ifa->ifa_address, FALSE); +#else + dhd_aoe_hostip_clr(&dhd->pub); + dhd_aoe_arp_clr(&dhd->pub); +#endif + break; + + default: + DHD_ARPOE(("%s: do noting for [%s] Event: %lu\n", + __func__, ifa->ifa_label, event)); + break; + } + } + return NOTIFY_DONE; +} +#endif /* ARP_OFFLOAD_SUPPORT */ + +int +dhd_net_attach(dhd_pub_t *dhdp, int ifidx) +{ + dhd_info_t *dhd = (dhd_info_t *)dhdp->info; + struct net_device *net = NULL; + int err = 0; + uint8 temp_addr[ETHER_ADDR_LEN] = { 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33 }; + + DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx)); + + ASSERT(dhd && dhd->iflist[ifidx]); + + net = dhd->iflist[ifidx]->net; + ASSERT(net); + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)) + ASSERT(!net->open); + net->get_stats = dhd_get_stats; + net->do_ioctl = dhd_ioctl_entry; + net->hard_start_xmit = dhd_start_xmit; + net->set_mac_address = dhd_set_mac_address; + net->set_multicast_list = dhd_set_multicast_list; + net->open = net->stop = NULL; +#else + ASSERT(!net->netdev_ops); + net->netdev_ops = &dhd_ops_virt; +#endif + + /* Ok, link into the network layer... */ + if (ifidx == 0) { + /* + * device functions for the primary interface only + */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)) + net->open = dhd_open; + net->stop = dhd_stop; +#else + net->netdev_ops = &dhd_ops_pri; +#endif + } else { + /* + * We have to use the primary MAC for virtual interfaces + */ + memcpy(temp_addr, dhd->iflist[ifidx]->mac_addr, ETHER_ADDR_LEN); + /* + * Android sets the locally administered bit to indicate that this is a + * portable hotspot. This will not work in simultaneous AP/STA mode, + * nor with P2P. Need to set the Donlge's MAC address, and then use that. + */ + if (!memcmp(temp_addr, dhd->iflist[0]->mac_addr, + ETHER_ADDR_LEN)) { + DHD_ERROR(("%s interface [%s]: set locally administered bit in MAC\n", + __func__, net->name)); + temp_addr[0] |= 0x02; + } + } + + net->hard_header_len = ETH_HLEN + dhd->pub.hdrlen; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) + net->ethtool_ops = &dhd_ethtool_ops; +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */ + +#if defined(WL_WIRELESS_EXT) +#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(WL_WIRELESS_EXT) */ + + dhd->pub.rxsz = DBUS_RX_BUFFER_SIZE_DHD(net); + + memcpy(net->dev_addr, temp_addr, ETHER_ADDR_LEN); + + if ((err = register_netdev(net)) != 0) { + DHD_ERROR(("couldn't register the net device, err %d\n", err)); + goto fail; + } + printf("Broadcom Dongle Host Driver: register interface [%s]" + " MAC: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", + net->name, + net->dev_addr[0], net->dev_addr[1], net->dev_addr[2], + net->dev_addr[3], net->dev_addr[4], net->dev_addr[5]); + +#if defined(SOFTAP) && defined(WL_WIRELESS_EXT) && !defined(WL_CFG80211) + wl_iw_iscan_set_scan_broadcast_prep(net, 1); +#endif + + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + if (ifidx == 0) { + up(&dhd_registration_sem); + } +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ + return 0; + +fail: +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31) + net->open = NULL; +#else + net->netdev_ops = NULL; +#endif + return err; +} + +void +dhd_bus_detach(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd; + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + if (dhdp) { + dhd = (dhd_info_t *)dhdp->info; + if (dhd) { + + /* + * In case of Android cfg80211 driver, the bus is down in dhd_stop, + * calling stop again will cuase SD read/write errors. + */ + if (dhd->pub.busstate != DHD_BUS_DOWN) { + /* 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) */ + } + } +} + + +void dhd_detach(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd; + unsigned long flags; + int timer_valid = FALSE; + + if (!dhdp) + return; + + dhd = (dhd_info_t *)dhdp->info; + if (!dhd) + return; + + DHD_TRACE(("%s: Enter state 0x%x\n", __FUNCTION__, dhd->dhd_state)); + + if (!(dhd->dhd_state & DHD_ATTACH_STATE_DONE)) { + /* Give sufficient time for threads to start running in case + * dhd_attach() has failed + */ + osl_delay(1000*100); + } + +#ifdef ARP_OFFLOAD_SUPPORT + unregister_inetaddr_notifier(&dhd_notifier); +#endif /* ARP_OFFLOAD_SUPPORT */ + +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) + if (dhd->dhd_state & DHD_ATTACH_STATE_EARLYSUSPEND_DONE) { + if (dhd->early_suspend.suspend) + unregister_early_suspend(&dhd->early_suspend); + } +#endif /* defined(CONFIG_HAS_EARLYSUSPEND) */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + cancel_work_sync(&dhd->work_hang); +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ + +#if defined(WL_WIRELESS_EXT) + if (dhd->dhd_state & DHD_ATTACH_STATE_WL_ATTACH) { + /* Detatch and unlink in the iw */ + wl_iw_detach(); + } +#endif /* defined(WL_WIRELESS_EXT) */ + + if (dhd->thr_sysioc_ctl.thr_pid >= 0) { + PROC_STOP(&dhd->thr_sysioc_ctl); + } + + /* delete all interfaces, start with virtual */ + if (dhd->dhd_state & DHD_ATTACH_STATE_ADD_IF) { + int i = 1; + dhd_if_t *ifp; + + /* Cleanup virtual interfaces */ + for (i = 1; i < DHD_MAX_IFS; i++) { + dhd_net_if_lock_local(dhd); + if (dhd->iflist[i]) { + dhd->iflist[i]->state = DHD_IF_DEL; + dhd->iflist[i]->idx = i; + dhd_op_if(dhd->iflist[i]); + } + dhd_net_if_unlock_local(dhd); + } + /* delete primary interface 0 */ + ifp = dhd->iflist[0]; + ASSERT(ifp); + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)) + if (ifp->net->open) +#else + if (ifp->net->netdev_ops == &dhd_ops_pri) +#endif + { + if (ifp->net) { + unregister_netdev(ifp->net); + free_netdev(ifp->net); + ifp->net = NULL; + } + MFREE(dhd->pub.osh, ifp, sizeof(*ifp)); + dhd->iflist[0] = NULL; + } + } + + /* Clear the watchdog timer */ + flags = dhd_os_spin_lock(&dhd->pub); + timer_valid = dhd->wd_timer_valid; + dhd->wd_timer_valid = FALSE; + dhd_os_spin_unlock(&dhd->pub, flags); + if (timer_valid) + del_timer_sync(&dhd->timer); + + if (dhd->dhd_state & DHD_ATTACH_STATE_THREADS_CREATED) { +#ifdef DHDTHREAD + if (dhd->thr_wdt_ctl.thr_pid >= 0) { + PROC_STOP(&dhd->thr_wdt_ctl); + } + + if (dhd->thr_dpc_ctl.thr_pid >= 0) { + PROC_STOP(&dhd->thr_dpc_ctl); + } + else +#endif /* DHDTHREAD */ + tasklet_kill(&dhd->tasklet); + } + if (dhd->dhd_state & DHD_ATTACH_STATE_PROT_ATTACH) { + dhd_bus_detach(dhdp); + + if (dhdp->prot) + dhd_prot_detach(dhdp); + } + +#ifdef WL_CFG80211 + if (dhd->dhd_state & DHD_ATTACH_STATE_CFG80211) { + wl_cfg80211_detach(NULL); + dhd_monitor_uninit(); + } +#endif + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) + unregister_pm_notifier(&dhd_sleep_pm_notifier); +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && defined(CONFIG_PM_SLEEP) */ + + if (dhd->dhd_state & DHD_ATTACH_STATE_WAKELOCKS_INIT) { +#ifdef CONFIG_HAS_WAKELOCK + wake_lock_destroy(&dhd->wl_wifi); + wake_lock_destroy(&dhd->wl_rxwake); + wake_lock_destroy(&dhd->wl_ctrlwake); +#endif + } +} + + +void +dhd_free(dhd_pub_t *dhdp) +{ + dhd_info_t *dhd; + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + if (dhdp) { + dhd = (dhd_info_t *)dhdp->info; + if (dhd) + MFREE(dhd->pub.osh, dhd, sizeof(*dhd)); + } +} + +static void __exit +dhd_module_cleanup(void) +{ + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + dhd_bus_unregister(); + +#if defined(CONFIG_WIFI_CONTROL_FUNC) + wl_android_wifictrl_func_del(); +#endif /* CONFIG_WIFI_CONTROL_FUNC */ + wl_android_exit(); + + /* 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 = 0; + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + wl_android_init(); + +#ifdef DHDTHREAD + /* 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); +#endif /* DHDTHREAD */ + + /* Call customer gpio to turn on power with WL_REG_ON signal */ + dhd_customer_gpio_wlan_ctrl(WLAN_POWER_ON); + +#if defined(CONFIG_WIFI_CONTROL_FUNC) + if (wl_android_wifictrl_func_add() < 0) + goto fail_1; +#endif + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + sema_init(&dhd_registration_sem, 0); +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ + error = dhd_bus_register(); + + if (!error) + printf("\n%s\n", dhd_version); + else { + DHD_ERROR(("%s: sdio_register_driver failed\n", __FUNCTION__)); + goto fail_1; + } + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + /* + * Wait till MMC sdio_register_driver callback called and made driver attach. + * It's needed to make sync up exit from dhd insmod and + * Kernel MMC sdio device callback registration + */ + if (down_timeout(&dhd_registration_sem, msecs_to_jiffies(DHD_REGISTRATION_TIMEOUT)) != 0) { + error = -ENODEV; + DHD_ERROR(("%s: sdio_register_driver timeout\n", __FUNCTION__)); + goto fail_2; + } +#endif +#if defined(WL_CFG80211) + wl_android_post_init(); +#endif /* defined(WL_CFG80211) */ + + return error; +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) +fail_2: + dhd_bus_unregister(); +#endif +fail_1: +#if defined(CONFIG_WIFI_CONTROL_FUNC) + wl_android_wifictrl_func_del(); +#endif + + /* Call customer gpio to turn off power with WL_REG_ON signal */ + dhd_customer_gpio_wlan_ctrl(WLAN_POWER_OFF); + + return error; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) +late_initcall(dhd_module_init); +#else +module_init(dhd_module_init); +#endif +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); + int timeout; + + /* Convert timeout in millsecond to jiffies */ + timeout = msecs_to_jiffies(dhd_ioctl_timeout_msec); + + timeout = wait_event_timeout(dhd->ioctl_resp_wait, (*condition), timeout); + 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(&dhd->ioctl_resp_wait); + } + + return 0; +} + +void +dhd_os_wd_timer(void *bus, uint wdtick) +{ + dhd_pub_t *pub = bus; + dhd_info_t *dhd = (dhd_info_t *)pub->info; + unsigned long flags; + + DHD_TRACE(("%s: Enter\n", __FUNCTION__)); + + flags = dhd_os_spin_lock(pub); + + /* don't start the wd until fw is loaded */ + if (pub->busstate == DHD_BUS_DOWN) { + dhd_os_spin_unlock(pub, flags); + return; + } + + /* Totally stop the timer */ + if (!wdtick && dhd->wd_timer_valid == TRUE) { + dhd->wd_timer_valid = FALSE; + dhd_os_spin_unlock(pub, flags); +#ifdef DHDTHREAD + del_timer_sync(&dhd->timer); +#else + del_timer(&dhd->timer); +#endif /* DHDTHREAD */ + return; + } + + if (wdtick) { + dhd_watchdog_ms = (uint)wdtick; + /* Re arm the timer, at last watchdog period */ + mod_timer(&dhd->timer, jiffies + msecs_to_jiffies(dhd_watchdog_ms)); + dhd->wd_timer_valid = TRUE; + } + dhd_os_spin_unlock(pub, flags); +} + +void * +dhd_os_open_image(char *filename) +{ + struct file *fp; + + 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 (!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 (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); + +#ifdef DHDTHREAD + if (dhd->threads_only) + down(&dhd->sdsem); + else +#endif /* DHDTHREAD */ + spin_lock_bh(&dhd->sdlock); +} + +void +dhd_os_sdunlock(dhd_pub_t *pub) +{ + dhd_info_t *dhd; + + dhd = (dhd_info_t *)(pub->info); + +#ifdef DHDTHREAD + if (dhd->threads_only) + up(&dhd->sdsem); + else +#endif /* DHDTHREAD */ + 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_DHD_USE_STATIC_BUF) +uint8* dhd_os_prealloc(void *osh, int section, uint size) +{ + return (uint8*)wl_android_prealloc(section, size); +} + +void dhd_os_prefree(void *osh, void *addr, uint size) +{ +} +#endif /* defined(CONFIG_DHD_USE_STATIC_BUF) */ + +#if defined(WL_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); + + if (!dhd->pub.up) { + return NULL; + } + + res = wl_iw_get_wireless_stats(dev, &dhd->iw.wstats); + + if (res == 0) + return &dhd->iw.wstats; + else + return NULL; +} +#endif /* defined(WL_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->pub, ifidx, pktdata, event, data); + if (bcmerror != BCME_OK) + return (bcmerror); + +#if defined(WL_WIRELESS_EXT) + if (event->bsscfgidx == 0) { + /* + * Wireless ext is on primary interface only + */ + + ASSERT(dhd->iflist[*ifidx] != NULL); + ASSERT(dhd->iflist[*ifidx]->net != NULL); + + if (dhd->iflist[*ifidx]->net) { + wl_iw_event(dhd->iflist[*ifidx]->net, event, *data); + } + } +#endif /* defined(WL_WIRELESS_EXT) */ + +#ifdef WL_CFG80211 + if ((ntoh32(event->event_type) == WLC_E_IF) && + (((dhd_if_event_t *)*data)->action == WLC_E_IF_ADD)) + /* If ADD_IF has been called directly by wl utility then we + * should not report this. In case if ADD_IF was called from + * CFG stack, then too this event need not be reported back + */ + return (BCME_OK); + if ((wl_cfg80211_is_progress_ifchange() || + wl_cfg80211_is_progress_ifadd()) && (*ifidx != 0)) { + /* + * If IF_ADD/CHANGE operation is going on, + * discard any event received on the virtual I/F + */ + return (BCME_OK); + } + + 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); + } +#endif /* defined(WL_CFG80211) */ + + 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)) { + /* Send up locally generated AMP HCI Events */ + case WLC_E_BTA_HCI_EVENT: { + struct sk_buff *p, *skb; + bcm_event_t *msg; + wl_event_msg_t *p_bcm_event; + char *ptr; + uint32 len; + uint32 pktlen; + dhd_if_t *ifp; + dhd_info_t *dhd; + uchar *eth; + int ifidx; + + len = ntoh32(event->datalen); + pktlen = sizeof(bcm_event_t) + len + 2; + dhd = dhdp->info; + ifidx = dhd_ifname2idx(dhd, event->ifname); + + if ((p = PKTGET(dhdp->osh, pktlen, FALSE))) { + ASSERT(ISALIGNED((uintptr)PKTDATA(dhdp->osh, p), sizeof(uint32))); + + msg = (bcm_event_t *) PKTDATA(dhdp->osh, p); + + bcopy(&dhdp->mac, &msg->eth.ether_dhost, ETHER_ADDR_LEN); + bcopy(&dhdp->mac, &msg->eth.ether_shost, ETHER_ADDR_LEN); + ETHER_TOGGLE_LOCALADDR(&msg->eth.ether_shost); + + msg->eth.ether_type = hton16(ETHER_TYPE_BRCM); + + /* BCM Vendor specific header... */ + msg->bcm_hdr.subtype = hton16(BCMILCP_SUBTYPE_VENDOR_LONG); + msg->bcm_hdr.version = BCMILCP_BCM_SUBTYPEHDR_VERSION; + bcopy(BRCM_OUI, &msg->bcm_hdr.oui[0], DOT11_OUI_LEN); + + /* vendor spec header length + pvt data length (private indication + * hdr + actual message itself) + */ + msg->bcm_hdr.length = hton16(BCMILCP_BCM_SUBTYPEHDR_MINLENGTH + + BCM_MSG_LEN + sizeof(wl_event_msg_t) + (uint16)len); + msg->bcm_hdr.usr_subtype = hton16(BCMILCP_BCM_SUBTYPE_EVENT); + + PKTSETLEN(dhdp->osh, p, (sizeof(bcm_event_t) + len + 2)); + + /* copy wl_event_msg_t into sk_buf */ + + /* pointer to wl_event_msg_t in sk_buf */ + p_bcm_event = &msg->event; + bcopy(event, p_bcm_event, sizeof(wl_event_msg_t)); + + /* copy hci event into sk_buf */ + bcopy(data, (p_bcm_event + 1), len); + + msg->bcm_hdr.length = hton16(sizeof(wl_event_msg_t) + + ntoh16(msg->bcm_hdr.length)); + PKTSETLEN(dhdp->osh, p, (sizeof(bcm_event_t) + len + 2)); + + ptr = (char *)(msg + 1); + /* Last 2 bytes of the message are 0x00 0x00 to signal that there + * are no ethertypes which are following this + */ + ptr[len+0] = 0x00; + ptr[len+1] = 0x00; + + skb = PKTTONATIVE(dhdp->osh, p); + 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); + + skb->data = eth; + skb->len = len; + + /* Strip header, count, deliver upward */ + skb_pull(skb, ETH_HLEN); + + /* Send the packet */ + if (in_interrupt()) { + netif_rx(skb); + } else { + netif_rx_ni(skb); + } + } + else { + /* Could not allocate a sk_buf */ + DHD_ERROR(("%s: unable to alloc sk_buf", __FUNCTION__)); + } + break; + } /* case WLC_E_BTA_HCI_EVENT */ + + default: + break; + } +} + +void dhd_wait_for_event(dhd_pub_t *dhd, bool *lockvar) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) + struct dhd_info *dhdinfo = dhd->info; + int timeout = msecs_to_jiffies(2000); + dhd_os_sdunlock(dhd); + wait_event_timeout(dhdinfo->ctrl_wait, (*lockvar == FALSE), timeout); + dhd_os_sdlock(dhd); +#endif + return; +} + +void dhd_wait_event_wakeup(dhd_pub_t *dhd) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)) + struct dhd_info *dhdinfo = dhd->info; + if (waitqueue_active(&dhdinfo->ctrl_wait)) + wake_up(&dhdinfo->ctrl_wait); +#endif + return; +} + +int +dhd_dev_reset(struct net_device *dev, uint8 flag) +{ + int ret; + + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + ret = dhd_bus_devreset(&dhd->pub, flag); + if (ret) { + DHD_ERROR(("%s: dhd_bus_devreset: %d\n", __FUNCTION__, ret)); + return ret; + } + + return ret; +} + +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 force) +{ + int ret = 0; + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + if (dhd) { +#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(DHD_USE_EARLYSUSPEND) + ret = dhd_set_suspend(val, &dhd->pub); +#else + ret = dhd_suspend_resume_helper(dhd, val, force); +#endif + } + 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_rxfilter_add_remove(struct net_device *dev, int add_remove, int num) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + char *filterp = NULL; + int ret = 0; + + if (!dhd || (num == DHD_UNICAST_FILTER_NUM) || + (num == DHD_MDNS_FILTER_NUM)) + return ret; + if (num >= dhd->pub.pktfilter_count) + return -EINVAL; + if (add_remove) { + switch (num) { + case DHD_BROADCAST_FILTER_NUM: + filterp = "101 0 0 0 0xFFFFFFFFFFFF 0xFFFFFFFFFFFF"; + break; + case DHD_MULTICAST4_FILTER_NUM: + filterp = "102 0 0 0 0xFFFFFF 0x01005E"; + break; + case DHD_MULTICAST6_FILTER_NUM: + filterp = "103 0 0 0 0xFFFF 0x3333"; + break; + default: + return -EINVAL; + } + } + dhd->pub.pktfilter[num] = filterp; + return ret; +} + +int dhd_os_set_packet_filter(dhd_pub_t *dhdp, int val) +{ + 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 (dhdp && dhdp->up) { + if (dhdp->in_suspend) { + if (!val || (val && !dhdp->suspend_disable_flag)) + dhd_set_packet_filter(val, dhdp); + } + } + return ret; + +} + +int net_os_set_packet_filter(struct net_device *dev, int val) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return dhd_os_set_packet_filter(&dhd->pub, val); +} + +int +dhd_dev_init_ioctl(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return 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, + ushort scan_fr, int pno_repeat, int pno_freq_expo_max) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_pno_set(&dhd->pub, ssids_local, nssid, scan_fr, pno_repeat, pno_freq_expo_max)); +} + +/* Linux wrapper to call common dhd_pno_set_ex */ +int +dhd_dev_pno_set_ex(struct net_device *dev, wl_pfn_t* ssidnet, int nssid, + ushort pno_interval, int pno_repeat, int pno_expo_max, int pno_lost_time) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + return (dhd_pno_set_ex(&dhd->pub, ssidnet, nssid, + pno_interval, pno_repeat, pno_expo_max, pno_lost_time)); +} + +/* 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 */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) +static void dhd_hang_process(struct work_struct *work) +{ + dhd_info_t *dhd; + struct net_device *dev; + + dhd = (dhd_info_t *)container_of(work, dhd_info_t, work_hang); + dev = dhd->iflist[0]->net; + + if (dev) { + rtnl_lock(); + dev_close(dev); + rtnl_unlock(); +#if defined(WL_WIRELESS_EXT) + wl_iw_send_priv_event(dev, "HANG"); +#endif +#if defined(WL_CFG80211) + wl_cfg80211_hang(dev, WLAN_REASON_UNSPECIFIED); +#endif + } +} +#endif + +int dhd_os_send_hang_message(dhd_pub_t *dhdp) +{ + int ret = 0; + + if (dhdp) { + if (!dhdp->hang_was_sent) { + dhdp->hang_was_sent = 1; +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) + schedule_work(&dhdp->info->work_hang); +#endif + } + } + return ret; +} + +int net_os_send_hang_message(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + int ret = 0; + + if (dhd) + ret = dhd_os_send_hang_message(&dhd->pub); + + return ret; +} + +void dhd_bus_country_set(struct net_device *dev, wl_country_t *cspec) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + if (dhd && dhd->pub.up) { + memcpy(&dhd->pub.dhd_cspec, cspec, sizeof(wl_country_t)); +#ifdef WL_CFG80211 + wl_update_wiphybands(NULL); +#endif + } +} + +void dhd_bus_band_set(struct net_device *dev, uint band) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + + if (dhd && dhd->pub.up) { +#ifdef WL_CFG80211 + wl_update_wiphybands(NULL); +#endif + } +} + +void dhd_net_if_lock(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + dhd_net_if_lock_local(dhd); +} + +void dhd_net_if_unlock(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + dhd_net_if_unlock_local(dhd); +} + +static void dhd_net_if_lock_local(dhd_info_t *dhd) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + if (dhd) + mutex_lock(&dhd->dhd_net_if_mutex); +#endif +} + +static void dhd_net_if_unlock_local(dhd_info_t *dhd) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + if (dhd) + mutex_unlock(&dhd->dhd_net_if_mutex); +#endif +} + +static void dhd_suspend_lock(dhd_pub_t *pub) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + if (dhd) + mutex_lock(&dhd->dhd_suspend_mutex); +#endif +} + +static void dhd_suspend_unlock(dhd_pub_t *pub) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + if (dhd) + mutex_unlock(&dhd->dhd_suspend_mutex); +#endif +} + +unsigned long dhd_os_spin_lock(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags = 0; + + if (dhd) + spin_lock_irqsave(&dhd->dhd_lock, flags); + + return flags; +} + +void dhd_os_spin_unlock(dhd_pub_t *pub, unsigned long flags) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + + if (dhd) + spin_unlock_irqrestore(&dhd->dhd_lock, flags); +} + +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 = msecs_to_jiffies(10); + 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, uint8 *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", __FUNCTION__); + ret = -1; + goto exit; + } + + /* Write buf to file */ + fp->f_op->write(fp, buf, size, &pos); + +exit: + /* free buf before return */ + MFREE(dhd->osh, buf, size); + /* close file before return */ + if (fp) + filp_close(fp, current->files); + /* restore previous address limit */ + set_fs(old_fs); + + return ret; +} +#endif /* DHD_DEBUG */ + +int dhd_os_wake_lock_timeout(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + int ret = 0; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + ret = dhd->wakelock_rx_timeout_enable > dhd->wakelock_ctrl_timeout_enable ? + dhd->wakelock_rx_timeout_enable : dhd->wakelock_ctrl_timeout_enable; +#ifdef CONFIG_HAS_WAKELOCK + if (dhd->wakelock_rx_timeout_enable) + wake_lock_timeout(&dhd->wl_rxwake, + msecs_to_jiffies(dhd->wakelock_rx_timeout_enable)); + if (dhd->wakelock_ctrl_timeout_enable) + wake_lock_timeout(&dhd->wl_ctrlwake, + msecs_to_jiffies(dhd->wakelock_ctrl_timeout_enable)); +#endif + dhd->wakelock_rx_timeout_enable = 0; + dhd->wakelock_ctrl_timeout_enable = 0; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return ret; +} + +int net_os_wake_lock_timeout(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + int ret = 0; + + if (dhd) + ret = dhd_os_wake_lock_timeout(&dhd->pub); + return ret; +} + +int dhd_os_wake_lock_rx_timeout_enable(dhd_pub_t *pub, int val) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + if (val > dhd->wakelock_rx_timeout_enable) + dhd->wakelock_rx_timeout_enable = val; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return 0; +} + +int dhd_os_wake_lock_ctrl_timeout_enable(dhd_pub_t *pub, int val) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + if (val > dhd->wakelock_ctrl_timeout_enable) + dhd->wakelock_ctrl_timeout_enable = val; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return 0; +} + +int net_os_wake_lock_rx_timeout_enable(struct net_device *dev, int val) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + int ret = 0; + + if (dhd) + ret = dhd_os_wake_lock_rx_timeout_enable(&dhd->pub, val); + return ret; +} + +int net_os_wake_lock_ctrl_timeout_enable(struct net_device *dev, int val) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + int ret = 0; + + if (dhd) + ret = dhd_os_wake_lock_ctrl_timeout_enable(&dhd->pub, val); + return ret; +} + +int dhd_os_wake_lock(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + int ret = 0; + + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); +#ifdef CONFIG_HAS_WAKELOCK + if (!dhd->wakelock_counter) + wake_lock(&dhd->wl_wifi); +#endif + dhd->wakelock_counter++; + ret = dhd->wakelock_counter; + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return ret; +} + +int net_os_wake_lock(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + int ret = 0; + + if (dhd) + ret = dhd_os_wake_lock(&dhd->pub); + return ret; +} + +int dhd_os_wake_unlock(dhd_pub_t *pub) +{ + dhd_info_t *dhd = (dhd_info_t *)(pub->info); + unsigned long flags; + int ret = 0; + + dhd_os_wake_lock_timeout(pub); + if (dhd) { + spin_lock_irqsave(&dhd->wakelock_spinlock, flags); + if (dhd->wakelock_counter) { + dhd->wakelock_counter--; +#ifdef CONFIG_HAS_WAKELOCK + if (!dhd->wakelock_counter) + wake_unlock(&dhd->wl_wifi); +#endif + ret = dhd->wakelock_counter; + } + spin_unlock_irqrestore(&dhd->wakelock_spinlock, flags); + } + return ret; +} + +int dhd_os_check_wakelock(void *dhdp) +{ +#ifdef CONFIG_HAS_WAKELOCK + dhd_pub_t *pub = (dhd_pub_t *)dhdp; + dhd_info_t *dhd; + + if (!pub) + return 0; + dhd = (dhd_info_t *)(pub->info); + + if (dhd && wake_lock_active(&dhd->wl_wifi)) + return 1; +#endif + return 0; +} + +int net_os_wake_unlock(struct net_device *dev) +{ + dhd_info_t *dhd = *(dhd_info_t **)netdev_priv(dev); + int ret = 0; + + if (dhd) + ret = dhd_os_wake_unlock(&dhd->pub); + return ret; +} + +int dhd_os_check_if_up(void *dhdp) +{ + dhd_pub_t *pub = (dhd_pub_t *)dhdp; + + if (!pub) + return 0; + return pub->up; +} + +void dhd_set_version_info(dhd_pub_t *dhdp, char *fw) +{ + int i; + + i = snprintf(info_string, sizeof(info_string), + " Driver: %s\n Firmware: %s ", EPI_VERSION_STR, fw); + + if (!dhdp) + return; + i = snprintf(&info_string[i], sizeof(info_string) - i, + "\n Chip: %x Rev %x Pkg %x", dhd_bus_chip_id(dhdp), + dhd_bus_chiprev_id(dhdp), dhd_bus_chippkg_id(dhdp)); +} + +int dhd_ioctl_entry_local(struct net_device *net, wl_ioctl_t *ioc, int cmd) +{ + int ifidx; + int ret = 0; + dhd_info_t *dhd = NULL; + + if (!net || !netdev_priv(net)) { + DHD_ERROR(("%s invalid parameter\n", __FUNCTION__)); + return -EINVAL; + } + + dhd = *(dhd_info_t **)netdev_priv(net); + ifidx = dhd_net2idx(dhd, net); + if (ifidx == DHD_BAD_IF) { + DHD_ERROR(("%s bad ifidx\n", __FUNCTION__)); + return -ENODEV; + } + + DHD_OS_WAKE_LOCK(&dhd->pub); + ret = dhd_wl_ioctl(&dhd->pub, ifidx, ioc, ioc->buf, ioc->len); + dhd_check_hang(net, &dhd->pub, ret); + DHD_OS_WAKE_UNLOCK(&dhd->pub); + + return ret; +} + +bool dhd_os_check_hang(dhd_pub_t *dhdp, int ifidx, int ret) +{ + struct net_device *net; + + net = dhd_idx2net(dhdp, ifidx); + return dhd_check_hang(net, dhdp, ret); +} + +#ifdef PROP_TXSTATUS +extern int dhd_wlfc_interface_entry_update(void* state, ewlfc_mac_entry_action_t action, uint8 ifid, + uint8 iftype, uint8* ea); +extern int dhd_wlfc_FIFOcreditmap_update(void* state, uint8* credits); + +int dhd_wlfc_interface_event(struct dhd_info *dhd, + ewlfc_mac_entry_action_t action, uint8 ifid, uint8 iftype, uint8* ea) +{ + if (dhd->pub.wlfc_state == NULL) + return BCME_OK; + + return dhd_wlfc_interface_entry_update(dhd->pub.wlfc_state, action, ifid, iftype, ea); +} + +int dhd_wlfc_FIFOcreditmap_event(struct dhd_info *dhd, uint8* event_data) +{ + if (dhd->pub.wlfc_state == NULL) + return BCME_OK; + + return dhd_wlfc_FIFOcreditmap_update(dhd->pub.wlfc_state, event_data); +} + +int dhd_wlfc_event(struct dhd_info *dhd) +{ + return dhd_wlfc_enable(&dhd->pub); +} +#endif /* PROP_TXSTATUS */ + +#ifdef BCMDBGFS + +#include <linux/debugfs.h> + +extern uint32 dhd_readregl(void *bp, uint32 addr); +extern uint32 dhd_writeregl(void *bp, uint32 addr, uint32 data); + +typedef struct dhd_dbgfs { + struct dentry *debugfs_dir; + struct dentry *debugfs_mem; + dhd_pub_t *dhdp; + uint32 size; +} dhd_dbgfs_t; + +dhd_dbgfs_t g_dbgfs; + +static int +dhd_dbg_state_open(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +static ssize_t +dhd_dbg_state_read(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + ssize_t rval; + uint32 tmp; + loff_t pos = *ppos; + size_t ret; + + if (pos < 0) + return -EINVAL; + if (pos >= g_dbgfs.size || !count) + return 0; + if (count > g_dbgfs.size - pos) + count = g_dbgfs.size - pos; + + /* Basically enforce aligned 4 byte reads. It's up to the user to work out the details */ + tmp = dhd_readregl(g_dbgfs.dhdp->bus, file->f_pos & (~3)); + + ret = copy_to_user(ubuf, &tmp, 4); + if (ret == count) + return -EFAULT; + + count -= ret; + *ppos = pos + count; + rval = count; + + return rval; +} + + +static ssize_t +dhd_debugfs_write(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) +{ + loff_t pos = *ppos; + size_t ret; + uint32 buf; + + if (pos < 0) + return -EINVAL; + if (pos >= g_dbgfs.size || !count) + return 0; + if (count > g_dbgfs.size - pos) + count = g_dbgfs.size - pos; + + ret = copy_from_user(&buf, ubuf, sizeof(uint32)); + if (ret == count) + return -EFAULT; + + /* Basically enforce aligned 4 byte writes. It's up to the user to work out the details */ + dhd_writeregl(g_dbgfs.dhdp->bus, file->f_pos & (~3), buf); + + return count; +} + + +loff_t +dhd_debugfs_lseek(struct file *file, loff_t off, int whence) +{ + loff_t pos = -1; + + switch (whence) { + case 0: + pos = off; + break; + case 1: + pos = file->f_pos + off; + break; + case 2: + pos = g_dbgfs.size - off; + } + return (pos < 0 || pos > g_dbgfs.size) ? -EINVAL : (file->f_pos = pos); +} + +static const struct file_operations dhd_dbg_state_ops = { + .read = dhd_dbg_state_read, + .write = dhd_debugfs_write, + .open = dhd_dbg_state_open, + .llseek = dhd_debugfs_lseek +}; + +static void dhd_dbg_create(void) +{ + if (g_dbgfs.debugfs_dir) { + g_dbgfs.debugfs_mem = debugfs_create_file("mem", 0644, g_dbgfs.debugfs_dir, + NULL, &dhd_dbg_state_ops); + } +} + +void dhd_dbg_init(dhd_pub_t *dhdp) +{ + int err; + + g_dbgfs.dhdp = dhdp; + g_dbgfs.size = 0x20000000; /* Allow access to various cores regs */ + + g_dbgfs.debugfs_dir = debugfs_create_dir("dhd", 0); + if (IS_ERR(g_dbgfs.debugfs_dir)) { + err = PTR_ERR(g_dbgfs.debugfs_dir); + g_dbgfs.debugfs_dir = NULL; + return; + } + + dhd_dbg_create(); + + return; +} + +void dhd_dbg_remove(void) +{ + debugfs_remove(g_dbgfs.debugfs_mem); + debugfs_remove(g_dbgfs.debugfs_dir); + + bzero((unsigned char *) &g_dbgfs, sizeof(g_dbgfs)); + +} +#endif /* ifdef BCMDBGFS */ + +#ifdef WLMEDIA_HTSF + +static +void dhd_htsf_addtxts(dhd_pub_t *dhdp, void *pktbuf) +{ + dhd_info_t *dhd = (dhd_info_t *)(dhdp->info); + struct sk_buff *skb; + uint32 htsf = 0; + uint16 dport = 0, oldmagic = 0xACAC; + char *p1; + htsfts_t ts; + + /* timestamp packet */ + + p1 = (char*) PKTDATA(dhdp->osh, pktbuf); + + if (PKTLEN(dhdp->osh, pktbuf) > HTSF_MINLEN) { +/* memcpy(&proto, p1+26, 4); */ + memcpy(&dport, p1+40, 2); +/* proto = ((ntoh32(proto))>> 16) & 0xFF; */ + dport = ntoh16(dport); + } + + /* timestamp only if icmp or udb iperf with port 5555 */ +/* if (proto == 17 && dport == tsport) { */ + if (dport >= tsport && dport <= tsport + 20) { + + skb = (struct sk_buff *) pktbuf; + + htsf = dhd_get_htsf(dhd, 0); + memset(skb->data + 44, 0, 2); /* clear checksum */ + memcpy(skb->data+82, &oldmagic, 2); + memcpy(skb->data+84, &htsf, 4); + + memset(&ts, 0, sizeof(htsfts_t)); + ts.magic = HTSFMAGIC; + ts.prio = PKTPRIO(pktbuf); + ts.seqnum = htsf_seqnum++; + ts.c10 = get_cycles(); + ts.t10 = htsf; + ts.endmagic = HTSFENDMAGIC; + + memcpy(skb->data + HTSF_HOSTOFFSET, &ts, sizeof(ts)); + } +} + +static void dhd_dump_htsfhisto(histo_t *his, char *s) +{ + int pktcnt = 0, curval = 0, i; + for (i = 0; i < (NUMBIN-2); i++) { + curval += 500; + printf("%d ", his->bin[i]); + pktcnt += his->bin[i]; + } + printf(" max: %d TotPkt: %d neg: %d [%s]\n", his->bin[NUMBIN-2], pktcnt, + his->bin[NUMBIN-1], s); +} + +static +void sorttobin(int value, histo_t *histo) +{ + int i, binval = 0; + + if (value < 0) { + histo->bin[NUMBIN-1]++; + return; + } + if (value > histo->bin[NUMBIN-2]) /* store the max value */ + histo->bin[NUMBIN-2] = value; + + for (i = 0; i < (NUMBIN-2); i++) { + binval += 500; /* 500m s bins */ + if (value <= binval) { + histo->bin[i]++; + return; + } + } + histo->bin[NUMBIN-3]++; +} + +static +void dhd_htsf_addrxts(dhd_pub_t *dhdp, void *pktbuf) +{ + dhd_info_t *dhd = (dhd_info_t *)dhdp->info; + struct sk_buff *skb; + char *p1; + uint16 old_magic; + int d1, d2, d3, end2end; + htsfts_t *htsf_ts; + uint32 htsf; + + skb = PKTTONATIVE(dhdp->osh, pktbuf); + p1 = (char*)PKTDATA(dhdp->osh, pktbuf); + + if (PKTLEN(osh, pktbuf) > HTSF_MINLEN) { + memcpy(&old_magic, p1+78, 2); + htsf_ts = (htsfts_t*) (p1 + HTSF_HOSTOFFSET - 4); + } + else + return; + + if (htsf_ts->magic == HTSFMAGIC) { + htsf_ts->tE0 = dhd_get_htsf(dhd, 0); + htsf_ts->cE0 = get_cycles(); + } + + if (old_magic == 0xACAC) { + + tspktcnt++; + htsf = dhd_get_htsf(dhd, 0); + memcpy(skb->data+92, &htsf, sizeof(uint32)); + + memcpy(&ts[tsidx].t1, skb->data+80, 16); + + d1 = ts[tsidx].t2 - ts[tsidx].t1; + d2 = ts[tsidx].t3 - ts[tsidx].t2; + d3 = ts[tsidx].t4 - ts[tsidx].t3; + end2end = ts[tsidx].t4 - ts[tsidx].t1; + + sorttobin(d1, &vi_d1); + sorttobin(d2, &vi_d2); + sorttobin(d3, &vi_d3); + sorttobin(end2end, &vi_d4); + + if (end2end > 0 && end2end > maxdelay) { + maxdelay = end2end; + maxdelaypktno = tspktcnt; + memcpy(&maxdelayts, &ts[tsidx], 16); + } + if (++tsidx >= TSMAX) + tsidx = 0; + } +} + +uint32 dhd_get_htsf(dhd_info_t *dhd, int ifidx) +{ + uint32 htsf = 0, cur_cycle, delta, delta_us; + uint32 factor, baseval, baseval2; + cycles_t t; + + t = get_cycles(); + cur_cycle = t; + + if (cur_cycle > dhd->htsf.last_cycle) + delta = cur_cycle - dhd->htsf.last_cycle; + else { + delta = cur_cycle + (0xFFFFFFFF - dhd->htsf.last_cycle); + } + + delta = delta >> 4; + + if (dhd->htsf.coef) { + /* times ten to get the first digit */ + factor = (dhd->htsf.coef*10 + dhd->htsf.coefdec1); + baseval = (delta*10)/factor; + baseval2 = (delta*10)/(factor+1); + delta_us = (baseval - (((baseval - baseval2) * dhd->htsf.coefdec2)) / 10); + htsf = (delta_us << 4) + dhd->htsf.last_tsf + HTSF_BUS_DELAY; + } + else { + DHD_ERROR(("-------dhd->htsf.coef = 0 -------\n")); + } + + return htsf; +} + +static void dhd_dump_latency(void) +{ + int i, max = 0; + int d1, d2, d3, d4, d5; + + printf("T1 T2 T3 T4 d1 d2 t4-t1 i \n"); + for (i = 0; i < TSMAX; i++) { + d1 = ts[i].t2 - ts[i].t1; + d2 = ts[i].t3 - ts[i].t2; + d3 = ts[i].t4 - ts[i].t3; + d4 = ts[i].t4 - ts[i].t1; + d5 = ts[max].t4-ts[max].t1; + if (d4 > d5 && d4 > 0) { + max = i; + } + printf("%08X %08X %08X %08X \t%d %d %d %d i=%d\n", + ts[i].t1, ts[i].t2, ts[i].t3, ts[i].t4, + d1, d2, d3, d4, i); + } + + printf("current idx = %d \n", tsidx); + + printf("Highest latency %d pkt no.%d total=%d\n", maxdelay, maxdelaypktno, tspktcnt); + printf("%08X %08X %08X %08X \t%d %d %d %d\n", + maxdelayts.t1, maxdelayts.t2, maxdelayts.t3, maxdelayts.t4, + maxdelayts.t2 - maxdelayts.t1, + maxdelayts.t3 - maxdelayts.t2, + maxdelayts.t4 - maxdelayts.t3, + maxdelayts.t4 - maxdelayts.t1); +} + + +static int +dhd_ioctl_htsf_get(dhd_info_t *dhd, int ifidx) +{ + wl_ioctl_t ioc; + char buf[32]; + int ret; + uint32 s1, s2; + + struct tsf { + uint32 low; + uint32 high; + } tsf_buf; + + memset(&ioc, 0, sizeof(ioc)); + memset(&tsf_buf, 0, sizeof(tsf_buf)); + + ioc.cmd = WLC_GET_VAR; + ioc.buf = buf; + ioc.len = (uint)sizeof(buf); + ioc.set = FALSE; + + strcpy(buf, "tsf"); + s1 = dhd_get_htsf(dhd, 0); + if ((ret = dhd_wl_ioctl(&dhd->pub, ifidx, &ioc, ioc.buf, ioc.len)) < 0) { + if (ret == -EIO) { + DHD_ERROR(("%s: tsf is not supported by device\n", + dhd_ifname(&dhd->pub, ifidx))); + return -EOPNOTSUPP; + } + return ret; + } + s2 = dhd_get_htsf(dhd, 0); + + memcpy(&tsf_buf, buf, sizeof(tsf_buf)); + printf(" TSF_h=%04X lo=%08X Calc:htsf=%08X, coef=%d.%d%d delta=%d ", + tsf_buf.high, tsf_buf.low, s2, dhd->htsf.coef, dhd->htsf.coefdec1, + dhd->htsf.coefdec2, s2-tsf_buf.low); + printf("lasttsf=%08X lastcycle=%08X\n", dhd->htsf.last_tsf, dhd->htsf.last_cycle); + return 0; +} + +void htsf_update(dhd_info_t *dhd, void *data) +{ + static ulong cur_cycle = 0, prev_cycle = 0; + uint32 htsf, tsf_delta = 0; + uint32 hfactor = 0, cyc_delta, dec1 = 0, dec2, dec3, tmp; + ulong b, a; + cycles_t t; + + /* cycles_t in inlcude/mips/timex.h */ + + t = get_cycles(); + + prev_cycle = cur_cycle; + cur_cycle = t; + + if (cur_cycle > prev_cycle) + cyc_delta = cur_cycle - prev_cycle; + else { + b = cur_cycle; + a = prev_cycle; + cyc_delta = cur_cycle + (0xFFFFFFFF - prev_cycle); + } + + if (data == NULL) + printf(" tsf update ata point er is null \n"); + + memcpy(&prev_tsf, &cur_tsf, sizeof(tsf_t)); + memcpy(&cur_tsf, data, sizeof(tsf_t)); + + if (cur_tsf.low == 0) { + DHD_INFO((" ---- 0 TSF, do not update, return\n")); + return; + } + + if (cur_tsf.low > prev_tsf.low) + tsf_delta = (cur_tsf.low - prev_tsf.low); + else { + DHD_INFO((" ---- tsf low is smaller cur_tsf= %08X, prev_tsf=%08X, \n", + cur_tsf.low, prev_tsf.low)); + if (cur_tsf.high > prev_tsf.high) { + tsf_delta = cur_tsf.low + (0xFFFFFFFF - prev_tsf.low); + DHD_INFO((" ---- Wrap around tsf coutner adjusted TSF=%08X\n", tsf_delta)); + } + else + return; /* do not update */ + } + + if (tsf_delta) { + hfactor = cyc_delta / tsf_delta; + tmp = (cyc_delta - (hfactor * tsf_delta))*10; + dec1 = tmp/tsf_delta; + dec2 = ((tmp - dec1*tsf_delta)*10) / tsf_delta; + tmp = (tmp - (dec1*tsf_delta))*10; + dec3 = ((tmp - dec2*tsf_delta)*10) / tsf_delta; + + if (dec3 > 4) { + if (dec2 == 9) { + dec2 = 0; + if (dec1 == 9) { + dec1 = 0; + hfactor++; + } + else { + dec1++; + } + } + else + dec2++; + } + } + + if (hfactor) { + htsf = ((cyc_delta * 10) / (hfactor*10+dec1)) + prev_tsf.low; + dhd->htsf.coef = hfactor; + dhd->htsf.last_cycle = cur_cycle; + dhd->htsf.last_tsf = cur_tsf.low; + dhd->htsf.coefdec1 = dec1; + dhd->htsf.coefdec2 = dec2; + } + else { + htsf = prev_tsf.low; + } +} + +#endif /* WLMEDIA_HTSF */ |