diff options
Diffstat (limited to 'drivers/staging/brcm80211/sys/wlc_event.c')
| -rw-r--r-- | drivers/staging/brcm80211/sys/wlc_event.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/drivers/staging/brcm80211/sys/wlc_event.c b/drivers/staging/brcm80211/sys/wlc_event.c deleted file mode 100644 index dabd7094cd73..000000000000 --- a/drivers/staging/brcm80211/sys/wlc_event.c +++ /dev/null @@ -1,232 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/kernel.h> -#include <bcmdefs.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <osl.h> -#include <bcmutils.h> -#include <siutils.h> -#include <sbhndpio.h> -#include <sbhnddma.h> -#include <wlioctl.h> -#include <wlc_cfg.h> -#include <wlc_pub.h> -#include <wlc_key.h> -#include <wl_export.h> -#include <wlc_event.h> - -#include <d11.h> -#include <wlc_rate.h> -#include <wlc_mac80211.h> -#ifdef MSGTRACE -#include <msgtrace.h> -#endif -#include <wl_dbg.h> - -/* Local prototypes */ -static void wlc_timer_cb(void *arg); - -/* Private data structures */ -struct wlc_eventq { - wlc_event_t *head; - wlc_event_t *tail; - struct wlc_info *wlc; - void *wl; - struct wlc_pub *pub; - bool tpending; - bool workpending; - struct wl_timer *timer; - wlc_eventq_cb_t cb; - u8 event_inds_mask[broken_roundup(WLC_E_LAST, NBBY) / NBBY]; -}; - -/* - * Export functions - */ -wlc_eventq_t *wlc_eventq_attach(struct wlc_pub *pub, struct wlc_info *wlc, - void *wl, - wlc_eventq_cb_t cb) -{ - wlc_eventq_t *eq; - - eq = kzalloc(sizeof(wlc_eventq_t), GFP_ATOMIC); - if (eq == NULL) - return NULL; - - eq->cb = cb; - eq->wlc = wlc; - eq->wl = wl; - eq->pub = pub; - - eq->timer = wl_init_timer(eq->wl, wlc_timer_cb, eq, "eventq"); - if (!eq->timer) { - WL_ERROR("wl%d: wlc_eventq_attach: timer failed\n", - pub->unit); - kfree(eq); - return NULL; - } - - return eq; -} - -int wlc_eventq_detach(wlc_eventq_t *eq) -{ - /* Clean up pending events */ - wlc_eventq_down(eq); - - if (eq->timer) { - if (eq->tpending) { - wl_del_timer(eq->wl, eq->timer); - eq->tpending = false; - } - wl_free_timer(eq->wl, eq->timer); - eq->timer = NULL; - } - - ASSERT(wlc_eventq_avail(eq) == false); - kfree(eq); - return 0; -} - -int wlc_eventq_down(wlc_eventq_t *eq) -{ - int callbacks = 0; - if (eq->tpending && !eq->workpending) { - if (!wl_del_timer(eq->wl, eq->timer)) - callbacks++; - - ASSERT(wlc_eventq_avail(eq) == true); - ASSERT(eq->workpending == false); - eq->workpending = true; - if (eq->cb) - eq->cb(eq->wlc); - - ASSERT(eq->workpending == true); - eq->workpending = false; - eq->tpending = false; - } else { - ASSERT(eq->workpending || wlc_eventq_avail(eq) == false); - } - return callbacks; -} - -wlc_event_t *wlc_event_alloc(wlc_eventq_t *eq) -{ - wlc_event_t *e; - - e = kzalloc(sizeof(wlc_event_t), GFP_ATOMIC); - - if (e == NULL) - return NULL; - - return e; -} - -void wlc_event_free(wlc_eventq_t *eq, wlc_event_t *e) -{ - ASSERT(e->data == NULL); - ASSERT(e->next == NULL); - kfree(e); -} - -void wlc_eventq_enq(wlc_eventq_t *eq, wlc_event_t *e) -{ - ASSERT(e->next == NULL); - e->next = NULL; - - if (eq->tail) { - eq->tail->next = e; - eq->tail = e; - } else - eq->head = eq->tail = e; - - if (!eq->tpending) { - eq->tpending = true; - /* Use a zero-delay timer to trigger - * delayed processing of the event. - */ - wl_add_timer(eq->wl, eq->timer, 0, 0); - } -} - -wlc_event_t *wlc_eventq_deq(wlc_eventq_t *eq) -{ - wlc_event_t *e; - - e = eq->head; - if (e) { - eq->head = e->next; - e->next = NULL; - - if (eq->head == NULL) - eq->tail = eq->head; - } - return e; -} - -wlc_event_t *wlc_eventq_next(wlc_eventq_t *eq, wlc_event_t *e) -{ -#ifdef BCMDBG - wlc_event_t *etmp; - - for (etmp = eq->head; etmp; etmp = etmp->next) { - if (etmp == e) - break; - } - ASSERT(etmp != NULL); -#endif - - return e->next; -} - -int wlc_eventq_cnt(wlc_eventq_t *eq) -{ - wlc_event_t *etmp; - int cnt = 0; - - for (etmp = eq->head; etmp; etmp = etmp->next) - cnt++; - - return cnt; -} - -bool wlc_eventq_avail(wlc_eventq_t *eq) -{ - return (eq->head != NULL); -} - -/* - * Local Functions - */ -static void wlc_timer_cb(void *arg) -{ - struct wlc_eventq *eq = (struct wlc_eventq *)arg; - - ASSERT(eq->tpending == true); - ASSERT(wlc_eventq_avail(eq) == true); - ASSERT(eq->workpending == false); - eq->workpending = true; - - if (eq->cb) - eq->cb(eq->wlc); - - ASSERT(wlc_eventq_avail(eq) == false); - ASSERT(eq->tpending == true); - eq->workpending = false; - eq->tpending = false; -} |