65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/*
|
|
* Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
|
|
|
#include "wcn36xx.h"
|
|
|
|
int wcn36xx_pmc_enter_bmps_state(struct wcn36xx *wcn,
|
|
struct ieee80211_vif *vif)
|
|
{
|
|
int ret = 0;
|
|
struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
|
|
/* TODO: Make sure the TX chain clean */
|
|
ret = wcn36xx_smd_enter_bmps(wcn, vif);
|
|
if (!ret) {
|
|
wcn36xx_dbg(WCN36XX_DBG_PMC, "Entered BMPS\n");
|
|
vif_priv->pw_state = WCN36XX_BMPS;
|
|
} else {
|
|
/*
|
|
* One of the reasons why HW will not enter BMPS is because
|
|
* driver is trying to enter bmps before first beacon was
|
|
* received just after auth complete
|
|
*/
|
|
wcn36xx_err("Can not enter BMPS!\n");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int wcn36xx_pmc_exit_bmps_state(struct wcn36xx *wcn,
|
|
struct ieee80211_vif *vif)
|
|
{
|
|
struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
|
|
|
|
if (WCN36XX_BMPS != vif_priv->pw_state) {
|
|
/* Unbalanced call or last BMPS enter failed */
|
|
wcn36xx_dbg(WCN36XX_DBG_PMC,
|
|
"Not in BMPS mode, no need to exit\n");
|
|
return -EALREADY;
|
|
}
|
|
wcn36xx_smd_exit_bmps(wcn, vif);
|
|
vif_priv->pw_state = WCN36XX_FULL_POWER;
|
|
return 0;
|
|
}
|
|
|
|
int wcn36xx_enable_keep_alive_null_packet(struct wcn36xx *wcn,
|
|
struct ieee80211_vif *vif)
|
|
{
|
|
wcn36xx_dbg(WCN36XX_DBG_PMC, "%s\n", __func__);
|
|
return wcn36xx_smd_keep_alive_req(wcn, vif,
|
|
WCN36XX_HAL_KEEP_ALIVE_NULL_PKT);
|
|
}
|