int wil_p2p_cancel_listen(struct wil6210_priv *wil, u64 cookie)
{
struct wil_p2p_info *p2p = &wil->p2p;
u8 started;
mutex_lock(&wil->mutex);
if (cookie != p2p->cookie) {
wil_info(wil, "Cookie mismatch: 0x%016llx vs. 0x%016llx\n",
p2p->cookie, cookie);
mutex_unlock(&wil->mutex);
return -ENOENT;
}
started = wil_p2p_stop_discovery(wil);
mutex_unlock(&wil->mutex);
if (!started) {
wil_err(wil, "listen not started\n");
return -ENOENT;
}
mutex_lock(&wil->p2p_wdev_mutex);
cfg80211_remain_on_channel_expired(wil->radio_wdev,
p2p->cookie,
&p2p->listen_chan,
GFP_KERNEL);
wil->radio_wdev = wil->wdev;
mutex_unlock(&wil->p2p_wdev_mutex);
return 0;
}
void wil_p2p_listen_expired(struct work_struct *work)
{
struct wil_p2p_info *p2p = container_of(work,
struct wil_p2p_info, discovery_expired_work);
struct wil6210_priv *wil = container_of(p2p,
struct wil6210_priv, p2p);
u8 started;
wil_dbg_misc(wil, "p2p_listen_expired\n");
mutex_lock(&wil->mutex);
started = wil_p2p_stop_discovery(wil);
mutex_unlock(&wil->mutex);
if (started) {
mutex_lock(&wil->p2p_wdev_mutex);
cfg80211_remain_on_channel_expired(wil->radio_wdev,
p2p->cookie,
&p2p->listen_chan,
GFP_KERNEL);
wil->radio_wdev = wil->wdev;
mutex_unlock(&wil->p2p_wdev_mutex);
}
}
void wil_p2p_search_expired(struct work_struct *work)
{
struct wil_p2p_info *p2p = container_of(work,
struct wil_p2p_info, discovery_expired_work);
struct wil6210_priv *wil = container_of(p2p,
struct wil6210_priv, p2p);
u8 started;
wil_dbg_misc(wil, "%s()\n", __func__);
mutex_lock(&wil->mutex);
started = wil_p2p_stop_discovery(wil);
mutex_unlock(&wil->mutex);
if (started) {
struct cfg80211_scan_info info = {
.aborted = false,
};
mutex_lock(&wil->p2p_wdev_mutex);
cfg80211_scan_done(wil->scan_request, &info);
wil->scan_request = NULL;
wil->radio_wdev = wil->wdev;
mutex_unlock(&wil->p2p_wdev_mutex);
}
}
void wil_p2p_search_expired(struct work_struct *work)
{
struct wil_p2p_info *p2p = container_of(work,
struct wil_p2p_info, discovery_expired_work);
struct wil6210_priv *wil = container_of(p2p,
struct wil6210_priv, p2p);
u8 started;
wil_dbg_misc(wil, "p2p_search_expired\n");
mutex_lock(&wil->mutex);
started = wil_p2p_stop_discovery(wil);
mutex_unlock(&wil->mutex);
if (started) {
struct cfg80211_scan_info info = {
.aborted = false,
};
mutex_lock(&wil->p2p_wdev_mutex);
if (wil->scan_request) {
cfg80211_scan_done(wil->scan_request, &info);
wil->scan_request = NULL;
wil->radio_wdev = wil->wdev;
}
mutex_unlock(&wil->p2p_wdev_mutex);
}
}
void wil_p2p_delayed_listen_work(struct work_struct *work)
{
struct wil_p2p_info *p2p = container_of(work,
struct wil_p2p_info, delayed_listen_work);
struct wil6210_priv *wil = container_of(p2p,
struct wil6210_priv, p2p);
int rc;
mutex_lock(&wil->mutex);
wil_dbg_misc(wil, "Checking delayed p2p listen\n");
if (!p2p->discovery_started || !p2p->pending_listen_wdev)
goto out;
mutex_lock(&wil->p2p_wdev_mutex);
if (wil->scan_request) {
/* another scan started, wait again... */
mutex_unlock(&wil->p2p_wdev_mutex);
goto out;
}
mutex_unlock(&wil->p2p_wdev_mutex);
rc = wil_p2p_start_listen(wil);
mutex_lock(&wil->p2p_wdev_mutex);
if (rc) {
cfg80211_remain_on_channel_expired(p2p->pending_listen_wdev,
p2p->cookie,
&p2p->listen_chan,
GFP_KERNEL);
wil->radio_wdev = wil->wdev;
} else {
cfg80211_ready_on_channel(p2p->pending_listen_wdev, p2p->cookie,
&p2p->listen_chan,
p2p->listen_duration, GFP_KERNEL);
wil->radio_wdev = p2p->pending_listen_wdev;
}
p2p->pending_listen_wdev = NULL;
mutex_unlock(&wil->p2p_wdev_mutex);
out:
mutex_unlock(&wil->mutex);
}
void wil_p2p_stop_radio_operations(struct wil6210_priv *wil)
{
struct wil_p2p_info *p2p = &wil->p2p;
struct cfg80211_scan_info info = {
.aborted = true,
};
lockdep_assert_held(&wil->mutex);
lockdep_assert_held(&wil->p2p_wdev_mutex);
if (wil->radio_wdev != wil->p2p_wdev)
goto out;
if (!p2p->discovery_started) {
/* Regular scan on the p2p device */
if (wil->scan_request &&
wil->scan_request->wdev == wil->p2p_wdev)
wil_abort_scan(wil, true);
goto out;
}
/* Search or listen on p2p device */
mutex_unlock(&wil->p2p_wdev_mutex);
wil_p2p_stop_discovery(wil);
mutex_lock(&wil->p2p_wdev_mutex);
if (wil->scan_request) {
/* search */
cfg80211_scan_done(wil->scan_request, &info);
wil->scan_request = NULL;
} else {
/* listen */
cfg80211_remain_on_channel_expired(wil->radio_wdev,
p2p->cookie,
&p2p->listen_chan,
GFP_KERNEL);
}
out:
wil->radio_wdev = wil->wdev;
}
