2020-08-21 15:16:22 +08:00
|
|
|
/*
|
2017-08-03 22:28:59 +08:00
|
|
|
* Copyright (c) 2014 Redpine Signals 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 <linux/etherdevice.h>
|
|
|
|
#include <linux/if.h>
|
|
|
|
#include "rsi_debugfs.h"
|
|
|
|
#include "rsi_mgmt.h"
|
|
|
|
#include "rsi_common.h"
|
|
|
|
#include "rsi_ps.h"
|
|
|
|
|
|
|
|
char *str_psstate(enum ps_state state)
|
|
|
|
{
|
|
|
|
switch (state) {
|
|
|
|
case PS_NONE:
|
|
|
|
return "PS_NONE";
|
|
|
|
case PS_DISABLE_REQ_SENT:
|
|
|
|
return "PS_DISABLE_REQ_SENT";
|
|
|
|
case PS_ENABLE_REQ_SENT:
|
|
|
|
return "PS_ENABLE_REQ_SENT";
|
|
|
|
case PS_ENABLED:
|
|
|
|
return "PS_ENABLED";
|
|
|
|
default:
|
|
|
|
return "INVALID_STATE";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void rsi_modify_ps_state(struct rsi_hw *adapter,
|
|
|
|
enum ps_state nstate)
|
|
|
|
{
|
|
|
|
rsi_dbg(INFO_ZONE, "PS state changed %s => %s\n",
|
|
|
|
str_psstate(adapter->ps_state),
|
|
|
|
str_psstate(nstate));
|
|
|
|
|
|
|
|
adapter->ps_state = nstate;
|
|
|
|
}
|
|
|
|
|
|
|
|
void rsi_default_ps_params(struct rsi_hw *adapter)
|
|
|
|
{
|
|
|
|
struct rsi_ps_info *ps_info = &adapter->ps_info;
|
|
|
|
|
|
|
|
ps_info->enabled = true;
|
|
|
|
ps_info->sleep_type = RSI_SLEEP_TYPE_LP;
|
|
|
|
ps_info->tx_threshold = 0;
|
|
|
|
ps_info->rx_threshold = 0;
|
|
|
|
ps_info->tx_hysterisis = 0;
|
|
|
|
ps_info->rx_hysterisis = 0;
|
|
|
|
ps_info->monitor_interval = 0;
|
|
|
|
ps_info->listen_interval = RSI_DEF_LISTEN_INTERVAL;
|
|
|
|
ps_info->num_bcns_per_lis_int = 0;
|
|
|
|
ps_info->dtim_interval_duration = 0;
|
|
|
|
ps_info->num_dtims_per_sleep = 0;
|
|
|
|
ps_info->deep_sleep_wakeup_period = RSI_DEF_DS_WAKEUP_PERIOD;
|
|
|
|
}
|
|
|
|
|
2017-08-30 17:38:26 +08:00
|
|
|
void rsi_enable_ps(struct rsi_hw *adapter, struct ieee80211_vif *vif)
|
2017-08-03 22:28:59 +08:00
|
|
|
{
|
|
|
|
if (adapter->ps_state != PS_NONE) {
|
|
|
|
rsi_dbg(ERR_ZONE,
|
|
|
|
"%s: Cannot accept enable PS in %s state\n",
|
|
|
|
__func__, str_psstate(adapter->ps_state));
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2017-08-30 17:38:26 +08:00
|
|
|
if (rsi_send_ps_request(adapter, true, vif)) {
|
2017-08-03 22:28:59 +08:00
|
|
|
rsi_dbg(ERR_ZONE,
|
|
|
|
"%s: Failed to send PS request to device\n",
|
|
|
|
__func__);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
rsi_modify_ps_state(adapter, PS_ENABLE_REQ_SENT);
|
|
|
|
}
|
|
|
|
|
2017-08-30 17:38:26 +08:00
|
|
|
/* This function is used to disable power save */
|
|
|
|
void rsi_disable_ps(struct rsi_hw *adapter, struct ieee80211_vif *vif)
|
2017-08-03 22:28:59 +08:00
|
|
|
{
|
|
|
|
if (adapter->ps_state != PS_ENABLED) {
|
|
|
|
rsi_dbg(ERR_ZONE,
|
|
|
|
"%s: Cannot accept disable PS in %s state\n",
|
|
|
|
__func__, str_psstate(adapter->ps_state));
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2017-08-30 17:38:26 +08:00
|
|
|
if (rsi_send_ps_request(adapter, false, vif)) {
|
2017-08-03 22:28:59 +08:00
|
|
|
rsi_dbg(ERR_ZONE,
|
|
|
|
"%s: Failed to send PS request to device\n",
|
|
|
|
__func__);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
rsi_modify_ps_state(adapter, PS_DISABLE_REQ_SENT);
|
|
|
|
}
|
|
|
|
|
2017-08-30 17:38:26 +08:00
|
|
|
void rsi_conf_uapsd(struct rsi_hw *adapter, struct ieee80211_vif *vif)
|
2017-08-03 22:29:00 +08:00
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (adapter->ps_state != PS_ENABLED)
|
|
|
|
return;
|
|
|
|
|
2017-08-30 17:38:26 +08:00
|
|
|
ret = rsi_send_ps_request(adapter, false, vif);
|
2017-08-03 22:29:00 +08:00
|
|
|
if (!ret)
|
2017-08-30 17:38:26 +08:00
|
|
|
ret = rsi_send_ps_request(adapter, true, vif);
|
2017-08-03 22:29:00 +08:00
|
|
|
if (ret)
|
|
|
|
rsi_dbg(ERR_ZONE,
|
|
|
|
"%s: Failed to send PS request to device\n",
|
|
|
|
__func__);
|
|
|
|
}
|
|
|
|
|
2017-08-03 22:28:59 +08:00
|
|
|
int rsi_handle_ps_confirm(struct rsi_hw *adapter, u8 *msg)
|
|
|
|
{
|
|
|
|
u16 cfm_type = get_unaligned_le16(msg + PS_CONFIRM_INDEX);
|
|
|
|
|
|
|
|
switch (cfm_type) {
|
|
|
|
case RSI_SLEEP_REQUEST:
|
|
|
|
if (adapter->ps_state == PS_ENABLE_REQ_SENT)
|
|
|
|
rsi_modify_ps_state(adapter, PS_ENABLED);
|
|
|
|
break;
|
|
|
|
case RSI_WAKEUP_REQUEST:
|
|
|
|
if (adapter->ps_state == PS_DISABLE_REQ_SENT)
|
|
|
|
rsi_modify_ps_state(adapter, PS_NONE);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
rsi_dbg(ERR_ZONE,
|
|
|
|
"Invalid PS confirm type %x in state %s\n",
|
|
|
|
cfm_type, str_psstate(adapter->ps_state));
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2017-08-03 22:29:00 +08:00
|
|
|
|