612 lines
15 KiB
C
612 lines
15 KiB
C
#include <wl_android.h>
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#ifdef WL_TIMER
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#define TIMER_ERROR(name, arg1, args...) \
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do { \
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if (android_msg_level & ANDROID_ERROR_LEVEL) { \
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printf("[%s] TIMER-ERROR) %s : " arg1, name, __func__, ## args); \
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} \
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} while (0)
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#define TIMER_TRACE(name, arg1, args...) \
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do { \
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if (android_msg_level & ANDROID_TRACE_LEVEL) { \
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printf("[%s] TIMER-TRACE) %s : " arg1, name, __func__, ## args); \
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} \
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} while (0)
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#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
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4 && __GNUC_MINOR__ >= 6))
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#define BCM_SET_LIST_FIRST_ENTRY(entry, ptr, type, member) \
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_Pragma("GCC diagnostic push") \
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_Pragma("GCC diagnostic ignored \"-Wcast-qual\"") \
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(entry) = list_first_entry((ptr), type, member); \
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_Pragma("GCC diagnostic pop") \
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#define BCM_SET_CONTAINER_OF(entry, ptr, type, member) \
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_Pragma("GCC diagnostic push") \
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_Pragma("GCC diagnostic ignored \"-Wcast-qual\"") \
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entry = container_of((ptr), type, member); \
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_Pragma("GCC diagnostic pop") \
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#else
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#define BCM_SET_LIST_FIRST_ENTRY(entry, ptr, type, member) \
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(entry) = list_first_entry((ptr), type, member); \
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#define BCM_SET_CONTAINER_OF(entry, ptr, type, member) \
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entry = container_of((ptr), type, member); \
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#endif /* STRICT_GCC_WARNINGS */
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typedef void(*FUNC_HANDLER) (void *cb_argu);
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struct wl_func_q {
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struct list_head eq_list;
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FUNC_HANDLER cb_func;
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void *cb_argu;
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};
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typedef void(*TIMER_HANDLER) (void *cb_argu);
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typedef struct timer_handler_list {
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struct list_head list;
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struct net_device *net;
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timer_list_compat_t *timer;
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TIMER_HANDLER cb_func;
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void *cb_argu;
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uint tmo_ms;
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ulong tmo_jiffies;
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} timer_handler_list_t;
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typedef struct wl_timer_params {
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dhd_pub_t *pub;
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struct list_head timer_list;
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struct list_head eq_list;
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timer_list_compat_t timer;
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spinlock_t eq_lock;
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
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struct workqueue_struct *timer_workq;
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struct work_struct timer_work;
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struct workqueue_struct *func_workq;
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struct work_struct func_work;
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#else
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tsk_ctl_t thr_timer_ctl;
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tsk_ctl_t thr_func_ctl;
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#endif
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} wl_timer_params_t;
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static unsigned long
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wl_func_lock_eq(struct wl_timer_params *timer_params)
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{
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unsigned long flags;
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spin_lock_irqsave(&timer_params->eq_lock, flags);
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return flags;
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}
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static void
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wl_func_unlock_eq(struct wl_timer_params *timer_params, unsigned long flags)
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{
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spin_unlock_irqrestore(&timer_params->eq_lock, flags);
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}
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static void
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wl_func_init_eq_lock(struct wl_timer_params *timer_params)
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{
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spin_lock_init(&timer_params->eq_lock);
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}
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static void
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wl_func_init_eq(struct wl_timer_params *timer_params)
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{
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wl_func_init_eq_lock(timer_params);
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INIT_LIST_HEAD(&timer_params->eq_list);
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}
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static void
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wl_func_flush_eq(struct wl_timer_params *timer_params)
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{
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struct wl_func_q *e;
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unsigned long flags;
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flags = wl_func_lock_eq(timer_params);
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while (!list_empty_careful(&timer_params->eq_list)) {
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BCM_SET_LIST_FIRST_ENTRY(e, &timer_params->eq_list, struct wl_func_q, eq_list);
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list_del(&e->eq_list);
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kfree(e);
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}
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wl_func_unlock_eq(timer_params, flags);
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}
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static struct wl_func_q *
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wl_func_deq(struct wl_timer_params *timer_params)
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{
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struct wl_func_q *e = NULL;
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unsigned long flags;
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flags = wl_func_lock_eq(timer_params);
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if (likely(!list_empty(&timer_params->eq_list))) {
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BCM_SET_LIST_FIRST_ENTRY(e, &timer_params->eq_list, struct wl_func_q, eq_list);
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list_del(&e->eq_list);
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}
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wl_func_unlock_eq(timer_params, flags);
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return e;
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}
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static s32
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wl_func_enq(struct wl_timer_params *timer_params,
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void *cb_func, void *cb_argu)
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{
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struct wl_func_q *e;
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s32 err = 0;
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uint32 funcq_size;
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unsigned long flags;
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gfp_t aflags;
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funcq_size = sizeof(struct wl_func_q);
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aflags = (in_atomic()) ? GFP_ATOMIC : GFP_KERNEL;
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e = kzalloc(funcq_size, aflags);
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if (unlikely(!e)) {
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TIMER_ERROR("wlan", "funcq_size alloc failed %d\n", funcq_size);
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return -ENOMEM;
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}
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e->cb_func = cb_func;
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e->cb_argu = cb_argu;
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flags = wl_func_lock_eq(timer_params);
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list_add_tail(&e->eq_list, &timer_params->eq_list);
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wl_func_unlock_eq(timer_params, flags);
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return err;
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}
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static void
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wl_func_put(struct wl_func_q *e)
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{
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kfree(e);
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}
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
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static void wl_func_handler(struct work_struct *data);
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#define WL_FUNC_HANDLER() static void wl_func_handler(struct work_struct *data)
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#else
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static int wl_func_handler(void *data);
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#define WL_FUNC_HANDLER() static int wl_func_handler(void *data)
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#endif
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WL_FUNC_HANDLER()
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{
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struct wl_timer_params *timer_params = NULL;
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struct wl_func_q *e;
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struct net_device *net = NULL;
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dhd_pub_t *dhd;
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unsigned long flags = 0;
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 0))
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tsk_ctl_t *tsk = (tsk_ctl_t *)data;
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timer_params = (struct wl_timer_params *)tsk->parent;
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#else
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BCM_SET_CONTAINER_OF(timer_params, data, struct wl_timer_params, func_work);
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#endif
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dhd = timer_params->pub;
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 0))
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while (1) {
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if (down_interruptible(&tsk->sema) == 0) {
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SMP_RD_BARRIER_DEPENDS();
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if (tsk->terminated) {
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break;
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}
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#endif
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DHD_EVENT_WAKE_LOCK(dhd);
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while ((e = wl_func_deq(timer_params))) {
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DHD_GENERAL_LOCK(dhd, flags);
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if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhd)) {
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TIMER_ERROR(net->name, "BUS is DOWN.\n");
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DHD_GENERAL_UNLOCK(dhd, flags);
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goto fail;
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}
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DHD_GENERAL_UNLOCK(dhd, flags);
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e->cb_func(e->cb_argu);
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fail:
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wl_func_put(e);
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}
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DHD_EVENT_WAKE_UNLOCK(dhd);
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 0))
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} else {
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break;
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}
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}
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complete_and_exit(&tsk->completed, 0);
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#endif
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}
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void
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wl_func_send(void *params, void *cb_func, void *cb_argu)
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{
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struct wl_timer_params *timer_params = params;
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if (timer_params == NULL) {
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TIMER_ERROR("wlan", "Stale ignored\n");
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return;
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}
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
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if (timer_params->func_workq == NULL) {
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TIMER_ERROR("wlan", "Event handler is not created\n");
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return;
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}
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#endif
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if (likely(!wl_func_enq(timer_params, cb_func, cb_argu))) {
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
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queue_work(timer_params->func_workq, &timer_params->func_work);
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#else
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if (timer_params->thr_func_ctl.thr_pid >= 0) {
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up(&timer_params->thr_func_ctl.sema);
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}
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#endif
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}
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}
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static s32
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wl_func_create_handler(struct wl_timer_params *timer_params)
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{
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int ret = 0;
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TIMER_TRACE("wlan", "Enter\n");
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
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if (!timer_params->func_workq) {
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timer_params->func_workq = alloc_workqueue("timer_funcd",
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WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_UNBOUND, 0);
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}
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if (!timer_params->func_workq) {
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TIMER_ERROR("wlan", "func_workq alloc_workqueue failed\n");
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ret = -ENOMEM;
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} else {
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INIT_WORK(&timer_params->func_work, wl_func_handler);
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}
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#else
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PROC_START(wl_func_handler, timer_params, &timer_params->thr_func_ctl, 0, "timer_funcd");
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if (timer_params->thr_func_ctl.thr_pid < 0) {
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ret = -ENOMEM;
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}
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#endif
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return ret;
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}
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static void
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wl_func_destroy_handler(struct wl_timer_params *timer_params)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
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if (timer_params && timer_params->func_workq) {
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cancel_work_sync(&timer_params->func_work);
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destroy_workqueue(timer_params->func_workq);
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timer_params->func_workq = NULL;
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}
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#else
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if (timer_params->thr_func_ctl.thr_pid >= 0) {
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PROC_STOP(&timer_params->thr_func_ctl);
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}
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#endif
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}
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
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static void wl_timer_handler(struct work_struct *data);
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#define WL_TIMER_HANDLER() static void wl_timer_handler(struct work_struct *data)
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#else
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static int wl_timer_handler(void *data);
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#define WL_TIMER_HANDLER() static int wl_timer_handler(void *data)
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#endif
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WL_TIMER_HANDLER()
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{
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struct wl_timer_params *timer_params = NULL;
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struct timer_handler_list *node, *next;
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dhd_pub_t *dhd;
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unsigned long flags = 0;
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unsigned long cur_jiffies, diff_jiffies, min_jiffies = 0;
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 0))
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tsk_ctl_t *tsk = (tsk_ctl_t *)data;
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timer_params = (struct wl_timer_params *)tsk->parent;
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#else
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BCM_SET_CONTAINER_OF(timer_params, data, struct wl_timer_params, timer_work);
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#endif
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dhd = timer_params->pub;
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 0))
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while (1) {
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if (down_interruptible(&tsk->sema) == 0) {
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SMP_RD_BARRIER_DEPENDS();
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if (tsk->terminated) {
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break;
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}
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#endif
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DHD_EVENT_WAKE_LOCK(dhd);
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DHD_GENERAL_LOCK(dhd, flags);
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if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhd)) {
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TIMER_ERROR("wlan", "BUS is DOWN.\n");
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DHD_GENERAL_UNLOCK(dhd, flags);
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goto exit;
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}
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DHD_GENERAL_UNLOCK(dhd, flags);
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cur_jiffies = jiffies;
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list_for_each_entry_safe(node, next, &timer_params->timer_list, list) {
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if (node->tmo_ms) {
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if (time_after(cur_jiffies, node->tmo_jiffies)) {
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wl_func_send(timer_params, node->cb_func, node->cb_argu);
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node->tmo_ms = 0;
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} else {
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diff_jiffies = node->tmo_jiffies - cur_jiffies;
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if (min_jiffies == 0)
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min_jiffies = diff_jiffies;
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else if (diff_jiffies < min_jiffies)
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min_jiffies = diff_jiffies;
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}
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}
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}
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if (min_jiffies)
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mod_timer(&timer_params->timer, jiffies + min_jiffies);
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exit:
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DHD_EVENT_WAKE_UNLOCK(dhd);
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 0))
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} else {
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break;
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}
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}
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complete_and_exit(&tsk->completed, 0);
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#endif
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}
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void
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wl_timer_kick_handler(wl_timer_params_t *timer_params)
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{
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if (timer_params == NULL) {
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TIMER_ERROR("wlan", "timer_params not ready\n");
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return;
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}
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
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if (timer_params->timer_workq == NULL) {
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TIMER_ERROR("wlan", "timer handler is not created\n");
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return;
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}
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queue_work(timer_params->timer_workq, &timer_params->timer_work);
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#else
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if (timer_params->thr_timer_ctl.thr_pid >= 0) {
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up(&timer_params->thr_timer_ctl.sema);
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}
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#endif
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}
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static void
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wl_timer_timeout(unsigned long data)
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{
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struct wl_timer_params *timer_params = (struct wl_timer_params *)data;
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if (!timer_params) {
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TIMER_ERROR("wlan", "timer_params is not ready\n");
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return;
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}
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TIMER_TRACE("wlan", "timer expired\n");
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wl_timer_kick_handler(timer_params);
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}
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static s32
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wl_timer_create_handler(struct wl_timer_params *timer_params)
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{
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int ret = 0;
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TIMER_TRACE("wlan", "Enter\n");
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
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if (!timer_params->timer_workq) {
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timer_params->timer_workq = alloc_workqueue("timerd",
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WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_UNBOUND, 0);
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}
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if (!timer_params->timer_workq) {
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TIMER_ERROR("wlan", "timer_workq alloc_workqueue failed\n");
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ret = -ENOMEM;
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} else {
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INIT_WORK(&timer_params->timer_work, wl_timer_handler);
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}
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#else
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PROC_START(wl_timer_handler, timer_params, &timer_params->thr_timer_ctl, 0, "timerd");
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if (timer_params->thr_timer_ctl.thr_pid < 0) {
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ret = -ENOMEM;
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}
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#endif
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return ret;
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}
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static void
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wl_timer_destroy_handler(struct wl_timer_params *timer_params)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
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if (timer_params && timer_params->timer_workq) {
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cancel_work_sync(&timer_params->timer_work);
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destroy_workqueue(timer_params->timer_workq);
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timer_params->timer_workq = NULL;
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}
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#else
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if (timer_params->thr_timer_ctl.thr_pid >= 0) {
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PROC_STOP(&timer_params->thr_timer_ctl);
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}
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#endif
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}
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static void
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wl_timer_free(struct wl_timer_params *timer_params)
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{
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timer_handler_list_t *node, *next;
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list_for_each_entry_safe(node, next, &timer_params->timer_list, list) {
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TIMER_TRACE(node->net->name, "Free timer\n");
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list_del(&node->list);
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kfree(node);
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}
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}
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void
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wl_timer_mod(dhd_pub_t *dhd, timer_list_compat_t *timer, uint32 tmo_ms)
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{
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wl_timer_params_t *timer_params = dhd->timer_params;
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timer_handler_list_t *node, *next;
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bool found = FALSE;
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list_for_each_entry_safe(node, next, &timer_params->timer_list, list) {
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if (node->timer == timer) {
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node->tmo_ms = tmo_ms;
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if (tmo_ms) {
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TIMER_TRACE(node->net->name, "update timer %dms\n", tmo_ms);
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node->tmo_jiffies = jiffies + msecs_to_jiffies(tmo_ms);
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wl_timer_kick_handler(timer_params);
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}
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found = TRUE;
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break;
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}
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}
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if (!found)
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TIMER_ERROR("wlan", "timer not found\n");
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}
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void
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wl_timer_register(struct net_device *net, timer_list_compat_t *timer, void *cb_func)
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{
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dhd_pub_t *dhd = dhd_get_pub(net);
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wl_timer_params_t *timer_params = dhd->timer_params;
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timer_handler_list_t *node, *next, *leaf;
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list_for_each_entry_safe(node, next, &timer_params->timer_list, list) {
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if (node->timer == timer) {
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TIMER_TRACE(net->name, "timer already registered\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
leaf = kmalloc(sizeof(timer_handler_list_t), GFP_KERNEL);
|
|
if (!leaf) {
|
|
TIMER_ERROR(net->name, "Memory alloc failure %d\n",
|
|
(int)sizeof(timer_handler_list_t));
|
|
return;
|
|
}
|
|
memset(leaf, 0, sizeof(timer_handler_list_t));
|
|
leaf->net = net;
|
|
leaf->timer = timer;
|
|
leaf->cb_func = cb_func;
|
|
leaf->cb_argu = net;
|
|
TIMER_ERROR(net->name, "timer registered tmo=%d\n", leaf->tmo_ms);
|
|
list_add_tail(&leaf->list, &timer_params->timer_list);
|
|
|
|
return;
|
|
}
|
|
|
|
void
|
|
wl_timer_deregister(struct net_device *net, timer_list_compat_t *timer)
|
|
{
|
|
dhd_pub_t *dhd = dhd_get_pub(net);
|
|
wl_timer_params_t *timer_params = dhd->timer_params;
|
|
timer_handler_list_t *node, *next;
|
|
|
|
list_for_each_entry_safe(node, next, &timer_params->timer_list, list) {
|
|
if (node->timer == timer) {
|
|
TIMER_TRACE(net->name, "timer deregistered\n");
|
|
list_del(&node->list);
|
|
kfree(node);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
static s32
|
|
wl_timer_init_priv(struct wl_timer_params *timer_params)
|
|
{
|
|
s32 err = 0;
|
|
|
|
INIT_LIST_HEAD(&timer_params->timer_list);
|
|
if (wl_timer_create_handler(timer_params))
|
|
return -ENOMEM;
|
|
wl_func_init_eq(timer_params);
|
|
if (wl_func_create_handler(timer_params))
|
|
return -ENOMEM;
|
|
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
wl_timer_deinit_priv(struct wl_timer_params *timer_params)
|
|
{
|
|
wl_timer_free(timer_params);
|
|
wl_func_destroy_handler(timer_params);
|
|
wl_func_flush_eq(timer_params);
|
|
wl_timer_destroy_handler(timer_params);
|
|
}
|
|
|
|
void
|
|
wl_timer_dettach(dhd_pub_t *dhdp)
|
|
{
|
|
struct wl_timer_params *timer_params = dhdp->timer_params;
|
|
|
|
if (timer_params) {
|
|
if (timer_pending(&timer_params->timer))
|
|
del_timer_sync(&timer_params->timer);
|
|
wl_timer_deinit_priv(timer_params);
|
|
kfree(timer_params);
|
|
dhdp->timer_params = NULL;
|
|
}
|
|
}
|
|
|
|
s32
|
|
wl_timer_attach(struct net_device *net)
|
|
{
|
|
struct dhd_pub *dhdp = dhd_get_pub(net);
|
|
struct wl_timer_params *timer_params = NULL;
|
|
s32 err = 0;
|
|
|
|
timer_params = kmalloc(sizeof(wl_timer_params_t), GFP_KERNEL);
|
|
if (!timer_params) {
|
|
TIMER_ERROR(net->name, "Failed to allocate memory (%zu)\n",
|
|
sizeof(wl_timer_params_t));
|
|
return -ENOMEM;
|
|
}
|
|
dhdp->timer_params = timer_params;
|
|
memset(timer_params, 0, sizeof(wl_timer_params_t));
|
|
timer_params->pub = dhdp;
|
|
|
|
err = wl_timer_init_priv(timer_params);
|
|
if (err) {
|
|
TIMER_ERROR(net->name, "Failed to wl_timer_init_priv (%d)\n", err);
|
|
goto exit;
|
|
}
|
|
init_timer_compat(&timer_params->timer, wl_timer_timeout, timer_params);
|
|
|
|
exit:
|
|
if (err)
|
|
wl_timer_dettach(dhdp);
|
|
return err;
|
|
}
|
|
#else
|
|
void
|
|
wl_timer_mod(dhd_pub_t *dhd, timer_list_compat_t *timer, uint32 tmo_ms)
|
|
{
|
|
if (timer_pending(timer))
|
|
del_timer_sync(timer);
|
|
if (tmo_ms)
|
|
mod_timer(timer, jiffies + msecs_to_jiffies(tmo_ms));
|
|
}
|
|
|
|
void
|
|
wl_timer_register(struct net_device *net, timer_list_compat_t *timer, void *cb_func)
|
|
{
|
|
init_timer_compat(timer, cb_func, net);
|
|
}
|
|
|
|
void
|
|
wl_timer_deregister(struct net_device *net, timer_list_compat_t *timer)
|
|
{
|
|
if (timer_pending(timer))
|
|
del_timer_sync(timer);
|
|
}
|
|
#endif
|