aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath/wil6210/p2p.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/p2p.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/p2p.c175
1 files changed, 91 insertions, 84 deletions
diff --git a/drivers/net/wireless/ath/wil6210/p2p.c b/drivers/net/wireless/ath/wil6210/p2p.c
index 7dbee2c3e482..db087ea58ddf 100644
--- a/drivers/net/wireless/ath/wil6210/p2p.c
+++ b/drivers/net/wireless/ath/wil6210/p2p.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2014-2017 Qualcomm Atheros, Inc.
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -22,27 +23,28 @@
#define P2P_SEARCH_DURATION_MS 500
#define P2P_DEFAULT_BI 100
-static int wil_p2p_start_listen(struct wil6210_priv *wil)
+static int wil_p2p_start_listen(struct wil6210_vif *vif)
{
- struct wil_p2p_info *p2p = &wil->p2p;
+ struct wil6210_priv *wil = vif_to_wil(vif);
+ struct wil_p2p_info *p2p = &vif->p2p;
u8 channel = p2p->listen_chan.hw_value;
int rc;
lockdep_assert_held(&wil->mutex);
- rc = wmi_p2p_cfg(wil, channel, P2P_DEFAULT_BI);
+ rc = wmi_p2p_cfg(vif, channel, P2P_DEFAULT_BI);
if (rc) {
wil_err(wil, "wmi_p2p_cfg failed\n");
goto out;
}
- rc = wmi_set_ssid(wil, strlen(P2P_WILDCARD_SSID), P2P_WILDCARD_SSID);
+ rc = wmi_set_ssid(vif, strlen(P2P_WILDCARD_SSID), P2P_WILDCARD_SSID);
if (rc) {
wil_err(wil, "wmi_set_ssid failed\n");
goto out_stop;
}
- rc = wmi_start_listen(wil);
+ rc = wmi_start_listen(vif);
if (rc) {
wil_err(wil, "wmi_start_listen failed\n");
goto out_stop;
@@ -53,7 +55,7 @@ static int wil_p2p_start_listen(struct wil6210_priv *wil)
jiffies + msecs_to_jiffies(p2p->listen_duration));
out_stop:
if (rc)
- wmi_stop_discovery(wil);
+ wmi_stop_discovery(vif);
out:
return rc;
@@ -65,20 +67,12 @@ bool wil_p2p_is_social_scan(struct cfg80211_scan_request *request)
(request->channels[0]->hw_value == P2P_DMG_SOCIAL_CHANNEL);
}
-void wil_p2p_discovery_timer_fn(struct timer_list *t)
-{
- struct wil6210_priv *wil = from_timer(wil, t, p2p.discovery_timer);
-
- wil_dbg_misc(wil, "p2p_discovery_timer_fn\n");
-
- schedule_work(&wil->p2p.discovery_expired_work);
-}
-
-int wil_p2p_search(struct wil6210_priv *wil,
+int wil_p2p_search(struct wil6210_vif *vif,
struct cfg80211_scan_request *request)
{
+ struct wil6210_priv *wil = vif_to_wil(vif);
int rc;
- struct wil_p2p_info *p2p = &wil->p2p;
+ struct wil_p2p_info *p2p = &vif->p2p;
wil_dbg_misc(wil, "p2p_search: channel %d\n", P2P_DMG_SOCIAL_CHANNEL);
@@ -90,20 +84,20 @@ int wil_p2p_search(struct wil6210_priv *wil,
goto out;
}
- rc = wmi_p2p_cfg(wil, P2P_DMG_SOCIAL_CHANNEL, P2P_DEFAULT_BI);
+ rc = wmi_p2p_cfg(vif, P2P_DMG_SOCIAL_CHANNEL, P2P_DEFAULT_BI);
if (rc) {
wil_err(wil, "wmi_p2p_cfg failed\n");
goto out;
}
- rc = wmi_set_ssid(wil, strlen(P2P_WILDCARD_SSID), P2P_WILDCARD_SSID);
+ rc = wmi_set_ssid(vif, strlen(P2P_WILDCARD_SSID), P2P_WILDCARD_SSID);
if (rc) {
wil_err(wil, "wmi_set_ssid failed\n");
goto out_stop;
}
/* Set application IE to probe request and probe response */
- rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ,
+ rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
request->ie_len, request->ie);
if (rc) {
wil_err(wil, "wmi_set_ie(WMI_FRAME_PROBE_REQ) failed\n");
@@ -113,14 +107,14 @@ int wil_p2p_search(struct wil6210_priv *wil,
/* supplicant doesn't provide Probe Response IEs. As a workaround -
* re-use Probe Request IEs
*/
- rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP,
+ rc = wmi_set_ie(vif, WMI_FRAME_PROBE_RESP,
request->ie_len, request->ie);
if (rc) {
wil_err(wil, "wmi_set_ie(WMI_FRAME_PROBE_RESP) failed\n");
goto out_stop;
}
- rc = wmi_start_search(wil);
+ rc = wmi_start_search(vif);
if (rc) {
wil_err(wil, "wmi_start_search failed\n");
goto out_stop;
@@ -133,7 +127,7 @@ int wil_p2p_search(struct wil6210_priv *wil,
out_stop:
if (rc)
- wmi_stop_discovery(wil);
+ wmi_stop_discovery(vif);
out:
return rc;
@@ -143,7 +137,8 @@ int wil_p2p_listen(struct wil6210_priv *wil, struct wireless_dev *wdev,
unsigned int duration, struct ieee80211_channel *chan,
u64 *cookie)
{
- struct wil_p2p_info *p2p = &wil->p2p;
+ struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
+ struct wil_p2p_info *p2p = &vif->p2p;
int rc;
if (!chan)
@@ -163,23 +158,24 @@ int wil_p2p_listen(struct wil6210_priv *wil, struct wireless_dev *wdev,
*cookie = ++p2p->cookie;
p2p->listen_duration = duration;
- mutex_lock(&wil->p2p_wdev_mutex);
- if (wil->scan_request) {
+ mutex_lock(&wil->vif_mutex);
+ if (vif->scan_request) {
wil_dbg_misc(wil, "Delaying p2p listen until scan done\n");
p2p->pending_listen_wdev = wdev;
p2p->discovery_started = 1;
rc = 0;
- mutex_unlock(&wil->p2p_wdev_mutex);
+ mutex_unlock(&wil->vif_mutex);
goto out;
}
- mutex_unlock(&wil->p2p_wdev_mutex);
+ mutex_unlock(&wil->vif_mutex);
- rc = wil_p2p_start_listen(wil);
+ rc = wil_p2p_start_listen(vif);
if (rc)
goto out;
p2p->discovery_started = 1;
- wil->radio_wdev = wdev;
+ if (vif->mid == 0)
+ wil->radio_wdev = wdev;
cfg80211_ready_on_channel(wdev, *cookie, chan, duration,
GFP_KERNEL);
@@ -189,9 +185,9 @@ out:
return rc;
}
-u8 wil_p2p_stop_discovery(struct wil6210_priv *wil)
+u8 wil_p2p_stop_discovery(struct wil6210_vif *vif)
{
- struct wil_p2p_info *p2p = &wil->p2p;
+ struct wil_p2p_info *p2p = &vif->p2p;
u8 started = p2p->discovery_started;
if (p2p->discovery_started) {
@@ -200,7 +196,7 @@ u8 wil_p2p_stop_discovery(struct wil6210_priv *wil)
p2p->pending_listen_wdev = NULL;
} else {
del_timer_sync(&p2p->discovery_timer);
- wmi_stop_discovery(wil);
+ wmi_stop_discovery(vif);
}
p2p->discovery_started = 0;
}
@@ -208,9 +204,10 @@ u8 wil_p2p_stop_discovery(struct wil6210_priv *wil)
return started;
}
-int wil_p2p_cancel_listen(struct wil6210_priv *wil, u64 cookie)
+int wil_p2p_cancel_listen(struct wil6210_vif *vif, u64 cookie)
{
- struct wil_p2p_info *p2p = &wil->p2p;
+ struct wil6210_priv *wil = vif_to_wil(vif);
+ struct wil_p2p_info *p2p = &vif->p2p;
u8 started;
mutex_lock(&wil->mutex);
@@ -222,7 +219,7 @@ int wil_p2p_cancel_listen(struct wil6210_priv *wil, u64 cookie)
return -ENOENT;
}
- started = wil_p2p_stop_discovery(wil);
+ started = wil_p2p_stop_discovery(vif);
mutex_unlock(&wil->mutex);
@@ -231,13 +228,14 @@ int wil_p2p_cancel_listen(struct wil6210_priv *wil, u64 cookie)
return -ENOENT;
}
- mutex_lock(&wil->p2p_wdev_mutex);
- cfg80211_remain_on_channel_expired(wil->radio_wdev,
+ mutex_lock(&wil->vif_mutex);
+ cfg80211_remain_on_channel_expired(vif_to_radio_wdev(wil, vif),
p2p->cookie,
&p2p->listen_chan,
GFP_KERNEL);
- wil->radio_wdev = wil->wdev;
- mutex_unlock(&wil->p2p_wdev_mutex);
+ if (vif->mid == 0)
+ wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
+ mutex_unlock(&wil->vif_mutex);
return 0;
}
@@ -245,40 +243,43 @@ 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);
+ struct wil6210_vif *vif = container_of(p2p,
+ struct wil6210_vif, p2p);
+ struct wil6210_priv *wil = vif_to_wil(vif);
u8 started;
wil_dbg_misc(wil, "p2p_listen_expired\n");
mutex_lock(&wil->mutex);
- started = wil_p2p_stop_discovery(wil);
+ started = wil_p2p_stop_discovery(vif);
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);
- }
+ if (!started)
+ return;
+ mutex_lock(&wil->vif_mutex);
+ cfg80211_remain_on_channel_expired(vif_to_radio_wdev(wil, vif),
+ p2p->cookie,
+ &p2p->listen_chan,
+ GFP_KERNEL);
+ if (vif->mid == 0)
+ wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
+ mutex_unlock(&wil->vif_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);
+ struct wil6210_vif *vif = container_of(p2p,
+ struct wil6210_vif, p2p);
+ struct wil6210_priv *wil = vif_to_wil(vif);
u8 started;
wil_dbg_misc(wil, "p2p_search_expired\n");
mutex_lock(&wil->mutex);
- started = wil_p2p_stop_discovery(wil);
+ started = wil_p2p_stop_discovery(vif);
mutex_unlock(&wil->mutex);
if (started) {
@@ -286,13 +287,15 @@ void wil_p2p_search_expired(struct work_struct *work)
.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_lock(&wil->vif_mutex);
+ if (vif->scan_request) {
+ cfg80211_scan_done(vif->scan_request, &info);
+ vif->scan_request = NULL;
+ if (vif->mid == 0)
+ wil->radio_wdev =
+ wil->main_ndev->ieee80211_ptr;
}
- mutex_unlock(&wil->p2p_wdev_mutex);
+ mutex_unlock(&wil->vif_mutex);
}
}
@@ -300,8 +303,9 @@ 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);
+ struct wil6210_vif *vif = container_of(p2p,
+ struct wil6210_vif, p2p);
+ struct wil6210_priv *wil = vif_to_wil(vif);
int rc;
mutex_lock(&wil->mutex);
@@ -310,31 +314,33 @@ void wil_p2p_delayed_listen_work(struct work_struct *work)
if (!p2p->discovery_started || !p2p->pending_listen_wdev)
goto out;
- mutex_lock(&wil->p2p_wdev_mutex);
- if (wil->scan_request) {
+ mutex_lock(&wil->vif_mutex);
+ if (vif->scan_request) {
/* another scan started, wait again... */
- mutex_unlock(&wil->p2p_wdev_mutex);
+ mutex_unlock(&wil->vif_mutex);
goto out;
}
- mutex_unlock(&wil->p2p_wdev_mutex);
+ mutex_unlock(&wil->vif_mutex);
- rc = wil_p2p_start_listen(wil);
+ rc = wil_p2p_start_listen(vif);
- mutex_lock(&wil->p2p_wdev_mutex);
+ mutex_lock(&wil->vif_mutex);
if (rc) {
cfg80211_remain_on_channel_expired(p2p->pending_listen_wdev,
p2p->cookie,
&p2p->listen_chan,
GFP_KERNEL);
- wil->radio_wdev = wil->wdev;
+ if (vif->mid == 0)
+ wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
} 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;
+ if (vif->mid == 0)
+ wil->radio_wdev = p2p->pending_listen_wdev;
}
p2p->pending_listen_wdev = NULL;
- mutex_unlock(&wil->p2p_wdev_mutex);
+ mutex_unlock(&wil->vif_mutex);
out:
mutex_unlock(&wil->mutex);
@@ -342,34 +348,35 @@ out:
void wil_p2p_stop_radio_operations(struct wil6210_priv *wil)
{
- struct wil_p2p_info *p2p = &wil->p2p;
+ struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
+ struct wil_p2p_info *p2p = &vif->p2p;
struct cfg80211_scan_info info = {
.aborted = true,
};
lockdep_assert_held(&wil->mutex);
- lockdep_assert_held(&wil->p2p_wdev_mutex);
+ lockdep_assert_held(&wil->vif_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);
+ if (vif->scan_request &&
+ vif->scan_request->wdev == wil->p2p_wdev)
+ wil_abort_scan(vif, 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);
+ mutex_unlock(&wil->vif_mutex);
+ wil_p2p_stop_discovery(vif);
+ mutex_lock(&wil->vif_mutex);
- if (wil->scan_request) {
+ if (vif->scan_request) {
/* search */
- cfg80211_scan_done(wil->scan_request, &info);
- wil->scan_request = NULL;
+ cfg80211_scan_done(vif->scan_request, &info);
+ vif->scan_request = NULL;
} else {
/* listen */
cfg80211_remain_on_channel_expired(wil->radio_wdev,
@@ -379,5 +386,5 @@ void wil_p2p_stop_radio_operations(struct wil6210_priv *wil)
}
out:
- wil->radio_wdev = wil->wdev;
+ wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.