Commit 5fd3ac3c authored by Janusz Dziedzic's avatar Janusz Dziedzic Committed by Kalle Valo
Browse files

ath10k: add WOW disconnect/magic-packet support



Add support for WOW disconnect and magic-packet.

Signed-off-by: default avatarJanusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent f5431e87
......@@ -18,6 +18,7 @@ ath10k_core-$(CONFIG_NL80211_TESTMODE) += testmode.o
ath10k_core-$(CONFIG_ATH10K_TRACING) += trace.o
ath10k_core-$(CONFIG_THERMAL) += thermal.o
ath10k_core-$(CONFIG_MAC80211_DEBUGFS) += debugfs_sta.o
ath10k_core-$(CONFIG_PM) += wow.o
obj-$(CONFIG_ATH10K_PCI) += ath10k_pci.o
ath10k_pci-y += pci.o \
......
......@@ -1386,6 +1386,7 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
init_completion(&ar->scan.completed);
init_completion(&ar->scan.on_channel);
init_completion(&ar->target_suspend);
init_completion(&ar->wow.wakeup_completed);
init_completion(&ar->install_key_done);
init_completion(&ar->vdev_setup_done);
......
......@@ -35,6 +35,7 @@
#include "../dfs_pattern_detector.h"
#include "spectral.h"
#include "thermal.h"
#include "wow.h"
#define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB)
#define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
......@@ -443,6 +444,12 @@ enum ath10k_fw_features {
*/
ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT = 5,
/* Some firmware revisions have an incomplete WoWLAN implementation
* despite WMI service bit being advertised. This feature flag is used
* to distinguish whether WoWLAN is really supported or not.
*/
ATH10K_FW_FEATURE_WOWLAN_SUPPORT = 6,
/* keep last */
ATH10K_FW_FEATURE_COUNT,
};
......@@ -691,6 +698,7 @@ struct ath10k {
} stats;
struct ath10k_thermal thermal;
struct ath10k_wow wow;
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));
......
......@@ -29,6 +29,7 @@
#include "testmode.h"
#include "wmi.h"
#include "wmi-ops.h"
#include "wow.h"
/**********/
/* Crypto */
......@@ -4810,70 +4811,6 @@ static int ath10k_tx_last_beacon(struct ieee80211_hw *hw)
return 1;
}
#ifdef CONFIG_PM
static int ath10k_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan)
{
struct ath10k *ar = hw->priv;
int ret;
mutex_lock(&ar->conf_mutex);
ret = ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND);
if (ret) {
if (ret == -ETIMEDOUT)
goto resume;
ret = 1;
goto exit;
}
ret = ath10k_hif_suspend(ar);
if (ret) {
ath10k_warn(ar, "failed to suspend hif: %d\n", ret);
goto resume;
}
ret = 0;
goto exit;
resume:
ret = ath10k_wmi_pdev_resume_target(ar);
if (ret)
ath10k_warn(ar, "failed to resume target: %d\n", ret);
ret = 1;
exit:
mutex_unlock(&ar->conf_mutex);
return ret;
}
static int ath10k_resume(struct ieee80211_hw *hw)
{
struct ath10k *ar = hw->priv;
int ret;
mutex_lock(&ar->conf_mutex);
ret = ath10k_hif_resume(ar);
if (ret) {
ath10k_warn(ar, "failed to resume hif: %d\n", ret);
ret = 1;
goto exit;
}
ret = ath10k_wmi_pdev_resume_target(ar);
if (ret) {
ath10k_warn(ar, "failed to resume target: %d\n", ret);
ret = 1;
goto exit;
}
ret = 0;
exit:
mutex_unlock(&ar->conf_mutex);
return ret;
}
#endif
static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
enum ieee80211_reconfig_type reconfig_type)
{
......@@ -5423,8 +5360,8 @@ static const struct ieee80211_ops ath10k_ops = {
CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
#ifdef CONFIG_PM
.suspend = ath10k_suspend,
.resume = ath10k_resume,
.suspend = ath10k_wow_op_suspend,
.resume = ath10k_wow_op_resume,
#endif
#ifdef CONFIG_MAC80211_DEBUGFS
.sta_add_debugfs = ath10k_sta_add_debugfs,
......@@ -5861,6 +5798,12 @@ int ath10k_mac_register(struct ath10k *ar)
ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
ret = ath10k_wow_init(ar);
if (ret) {
ath10k_warn(ar, "failed to init wow: %d\n", ret);
goto err_free;
}
/*
* on LL hardware queues are managed entirely by the FW
* so we only advertise to mac we can do the queues thing
......
......@@ -2898,7 +2898,19 @@ void ath10k_wmi_event_rtt_error_report(struct ath10k *ar, struct sk_buff *skb)
void ath10k_wmi_event_wow_wakeup_host(struct ath10k *ar, struct sk_buff *skb)
{
ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_WOW_WAKEUP_HOST_EVENTID\n");
struct wmi_wow_ev_arg ev = {};
int ret;
complete(&ar->wow.wakeup_completed);
ret = ath10k_wmi_pull_wow_event(ar, skb, &ev);
if (ret) {
ath10k_warn(ar, "failed to parse wow wakeup event: %d\n", ret);
return;
}
ath10k_dbg(ar, ATH10K_DBG_WMI, "wow wakeup host reason %s\n",
wow_reason(ev.wake_reason));
}
void ath10k_wmi_event_dcs_interference(struct ath10k *ar, struct sk_buff *skb)
......
/*
* Copyright (c) 2015 Qualcomm Atheros, Inc.
*
* 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 "mac.h"
#include <net/mac80211.h>
#include "hif.h"
#include "core.h"
#include "debug.h"
#include "wmi.h"
#include "wmi-ops.h"
static const struct wiphy_wowlan_support ath10k_wowlan_support = {
.flags = WIPHY_WOWLAN_DISCONNECT |
WIPHY_WOWLAN_MAGIC_PKT,
};
static int ath10k_wow_vif_cleanup(struct ath10k_vif *arvif)
{
struct ath10k *ar = arvif->ar;
int i, ret;
for (i = 0; i < WOW_EVENT_MAX; i++) {
ret = ath10k_wmi_wow_add_wakeup_event(ar, arvif->vdev_id, i, 0);
if (ret) {
ath10k_warn(ar, "failed to issue wow wakeup for event %s on vdev %i: %d\n",
wow_wakeup_event(i), arvif->vdev_id, ret);
return ret;
}
}
return 0;
}
static int ath10k_wow_cleanup(struct ath10k *ar)
{
struct ath10k_vif *arvif;
int ret;
lockdep_assert_held(&ar->conf_mutex);
list_for_each_entry(arvif, &ar->arvifs, list) {
ret = ath10k_wow_vif_cleanup(arvif);
if (ret) {
ath10k_warn(ar, "failed to clean wow wakeups on vdev %i: %d\n",
arvif->vdev_id, ret);
return ret;
}
}
return 0;
}
static int ath10k_vif_wow_set_wakeups(struct ath10k_vif *arvif,
struct cfg80211_wowlan *wowlan)
{
int ret, i;
unsigned long wow_mask = 0;
struct ath10k *ar = arvif->ar;
/* Setup requested WOW features */
switch (arvif->vdev_type) {
case WMI_VDEV_TYPE_IBSS:
__set_bit(WOW_BEACON_EVENT, &wow_mask);
/* fall through */
case WMI_VDEV_TYPE_AP:
__set_bit(WOW_DEAUTH_RECVD_EVENT, &wow_mask);
__set_bit(WOW_DISASSOC_RECVD_EVENT, &wow_mask);
__set_bit(WOW_PROBE_REQ_WPS_IE_EVENT, &wow_mask);
__set_bit(WOW_AUTH_REQ_EVENT, &wow_mask);
__set_bit(WOW_ASSOC_REQ_EVENT, &wow_mask);
__set_bit(WOW_HTT_EVENT, &wow_mask);
__set_bit(WOW_RA_MATCH_EVENT, &wow_mask);
break;
case WMI_VDEV_TYPE_STA:
if (wowlan->disconnect) {
__set_bit(WOW_DEAUTH_RECVD_EVENT, &wow_mask);
__set_bit(WOW_DISASSOC_RECVD_EVENT, &wow_mask);
__set_bit(WOW_BMISS_EVENT, &wow_mask);
__set_bit(WOW_CSA_IE_EVENT, &wow_mask);
}
if (wowlan->magic_pkt)
__set_bit(WOW_MAGIC_PKT_RECVD_EVENT, &wow_mask);
break;
default:
break;
}
for (i = 0; i < WOW_EVENT_MAX; i++) {
if (!test_bit(i, &wow_mask))
continue;
ret = ath10k_wmi_wow_add_wakeup_event(ar, arvif->vdev_id, i, 1);
if (ret) {
ath10k_warn(ar, "failed to enable wakeup event %s on vdev %i: %d\n",
wow_wakeup_event(i), arvif->vdev_id, ret);
return ret;
}
}
return 0;
}
static int ath10k_wow_set_wakeups(struct ath10k *ar,
struct cfg80211_wowlan *wowlan)
{
struct ath10k_vif *arvif;
int ret;
lockdep_assert_held(&ar->conf_mutex);
list_for_each_entry(arvif, &ar->arvifs, list) {
ret = ath10k_vif_wow_set_wakeups(arvif, wowlan);
if (ret) {
ath10k_warn(ar, "failed to set wow wakeups on vdev %i: %d\n",
arvif->vdev_id, ret);
return ret;
}
}
return 0;
}
static int ath10k_wow_enable(struct ath10k *ar)
{
int ret;
lockdep_assert_held(&ar->conf_mutex);
reinit_completion(&ar->target_suspend);
ret = ath10k_wmi_wow_enable(ar);
if (ret) {
ath10k_warn(ar, "failed to issue wow enable: %d\n", ret);
return ret;
}
ret = wait_for_completion_timeout(&ar->target_suspend, 3 * HZ);
if (ret == 0) {
ath10k_warn(ar, "timed out while waiting for suspend completion\n");
return -ETIMEDOUT;
}
return 0;
}
static int ath10k_wow_wakeup(struct ath10k *ar)
{
int ret;
lockdep_assert_held(&ar->conf_mutex);
reinit_completion(&ar->wow.wakeup_completed);
ret = ath10k_wmi_wow_host_wakeup_ind(ar);
if (ret) {
ath10k_warn(ar, "failed to send wow wakeup indication: %d\n",
ret);
return ret;
}
ret = wait_for_completion_timeout(&ar->wow.wakeup_completed, 3 * HZ);
if (ret == 0) {
ath10k_warn(ar, "timed out while waiting for wow wakeup completion\n");
return -ETIMEDOUT;
}
return 0;
}
int ath10k_wow_op_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan)
{
struct ath10k *ar = hw->priv;
int ret;
mutex_lock(&ar->conf_mutex);
if (WARN_ON(!test_bit(ATH10K_FW_FEATURE_WOWLAN_SUPPORT,
ar->fw_features))) {
ret = 1;
goto exit;
}
ret = ath10k_wow_cleanup(ar);
if (ret) {
ath10k_warn(ar, "failed to clear wow wakeup events: %d\n",
ret);
goto exit;
}
ret = ath10k_wow_set_wakeups(ar, wowlan);
if (ret) {
ath10k_warn(ar, "failed to set wow wakeup events: %d\n",
ret);
goto cleanup;
}
ret = ath10k_wow_enable(ar);
if (ret) {
ath10k_warn(ar, "failed to start wow: %d\n", ret);
goto cleanup;
}
ret = ath10k_hif_suspend(ar);
if (ret) {
ath10k_warn(ar, "failed to suspend hif: %d\n", ret);
goto wakeup;
}
goto exit;
wakeup:
ath10k_wow_wakeup(ar);
cleanup:
ath10k_wow_cleanup(ar);
exit:
mutex_unlock(&ar->conf_mutex);
return ret ? 1 : 0;
}
int ath10k_wow_op_resume(struct ieee80211_hw *hw)
{
struct ath10k *ar = hw->priv;
int ret;
mutex_lock(&ar->conf_mutex);
if (WARN_ON(!test_bit(ATH10K_FW_FEATURE_WOWLAN_SUPPORT,
ar->fw_features))) {
ret = 1;
goto exit;
}
ret = ath10k_hif_resume(ar);
if (ret) {
ath10k_warn(ar, "failed to resume hif: %d\n", ret);
goto exit;
}
ret = ath10k_wow_wakeup(ar);
if (ret)
ath10k_warn(ar, "failed to wakeup from wow: %d\n", ret);
exit:
mutex_unlock(&ar->conf_mutex);
return ret ? 1 : 0;
}
int ath10k_wow_init(struct ath10k *ar)
{
if (!test_bit(ATH10K_FW_FEATURE_WOWLAN_SUPPORT, ar->fw_features))
return 0;
if (WARN_ON(!test_bit(WMI_SERVICE_WOW, ar->wmi.svc_map)))
return -EINVAL;
ar->hw->wiphy->wowlan = &ath10k_wowlan_support;
return 0;
}
/*
* Copyright (c) 2015 Qualcomm Atheros, Inc.
*
* 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.
*/
#ifndef _WOW_H_
#define _WOW_H_
struct ath10k_wow {
struct completion wakeup_completed;
};
#ifdef CONFIG_PM
int ath10k_wow_init(struct ath10k *ar);
int ath10k_wow_op_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan);
int ath10k_wow_op_resume(struct ieee80211_hw *hw);
#else
static inline int ath10k_wow_init(struct ath10k *ar)
{
return 0;
}
#endif /* CONFIG_PM */
#endif /* _WOW_H_ */
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