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wl1271: Implement beacon early termination support

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Add support to enable beacon early termination in the firmware. Early
Beacon termination is a feature which allows the radio to be turned off
after TIM IE to save power.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen 2009-10-13 12:47:46 +03:00 committed by John W. Linville
parent eb5b28d021
commit 11f70f9715
5 changed files with 77 additions and 2 deletions
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30
drivers/net/wireless/wl12xx/wl1271_acx.c
View file

@ -1062,3 +1062,33 @@ int wl1271_acx_smart_reflex(struct wl1271 *wl)
return ret;
}
int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable)
{
struct wl1271_acx_bet_enable *acx = NULL;
int ret = 0;
wl1271_debug(DEBUG_ACX, "acx bet enable");
if (enable && wl->conf.conn.bet_enable == CONF_BET_MODE_DISABLE)
goto out;
acx = kzalloc(sizeof(*acx), GFP_KERNEL);
if (!acx) {
ret = -ENOMEM;
goto out;
}
acx->enable = enable ? CONF_BET_MODE_ENABLE : CONF_BET_MODE_DISABLE;
acx->max_consecutive = wl->conf.conn.bet_max_consecutive;
ret = wl1271_cmd_configure(wl, ACX_BET_ENABLE, acx, sizeof(*acx));
if (ret < 0) {
wl1271_warning("acx bet enable failed: %d", ret);
goto out;
}
out:
kfree(acx);
return ret;
}

12
drivers/net/wireless/wl12xx/wl1271_acx.h
View file

@ -946,6 +946,15 @@ struct wl1271_acx_rx_config_opt {
u8 reserved;
} __attribute__ ((packed));
struct wl1271_acx_bet_enable {
struct acx_header header;
u8 enable;
u8 max_consecutive;
u8 padding[2];
} __attribute__ ((packed));
enum {
ACX_WAKE_UP_CONDITIONS = 0x0002,
ACX_MEM_CFG = 0x0003,
@ -1043,7 +1052,7 @@ int wl1271_acx_aid(struct wl1271 *wl, u16 aid);
int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask);
int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble);
int wl1271_acx_cts_protect(struct wl1271 *wl,
enum acx_ctsprotect_type ctsprotect);
enum acx_ctsprotect_type ctsprotect);
int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats);
int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates);
int wl1271_acx_ac_cfg(struct wl1271 *wl);
@ -1054,5 +1063,6 @@ int wl1271_acx_mem_cfg(struct wl1271 *wl);
int wl1271_acx_init_mem_config(struct wl1271 *wl);
int wl1271_acx_init_rx_interrupt(struct wl1271 *wl);
int wl1271_acx_smart_reflex(struct wl1271 *wl);
int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable);
#endif /* __WL1271_ACX_H__ */

23
drivers/net/wireless/wl12xx/wl1271_conf.h
View file

@ -603,6 +603,11 @@ enum conf_bcn_filt_mode {
CONF_BCN_FILT_MODE_ENABLED = 1
};
enum conf_bet_mode {
CONF_BET_MODE_DISABLE = 0,
CONF_BET_MODE_ENABLE = 1,
};
struct conf_conn_settings {
/*
* Firmware wakeup conditions configuration. The host may set only
@ -689,6 +694,24 @@ struct conf_conn_settings {
* Configuration of signal average weights.
*/
struct conf_sig_weights sig_weights;
/*
* Specifies if beacon early termination procedure is enabled or
* disabled.
*
* Range: CONF_BET_MODE_*
*/
u8 bet_enable;
/*
* Specifies the maximum number of consecutive beacons that may be
* early terminated. After this number is reached at least one full
* beacon must be correctly received in FW before beacon ET
* resumes.
*
* Range 0 - 255
*/
u8 bet_max_consecutive;
};
#define CONF_SR_ERR_TBL_MAX_VALUES 14

4
drivers/net/wireless/wl12xx/wl1271_main.c
View file

@ -219,7 +219,9 @@ static struct conf_drv_settings default_conf = {
.rssi_pkt_avg_weight = 10,
.snr_bcn_avg_weight = 10,
.snr_pkt_avg_weight = 10
}
},
.bet_enable = CONF_BET_MODE_ENABLE,
.bet_max_consecutive = 100
},
.init = {
.sr_err_tbl = {

10
drivers/net/wireless/wl12xx/wl1271_ps.c
View file

@ -130,6 +130,11 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode)
if (ret < 0)
return ret;
/* enable beacon early termination */
ret = wl1271_acx_bet_enable(wl, true);
if (ret < 0)
return ret;
ret = wl1271_cmd_ps_mode(wl, STATION_POWER_SAVE_MODE);
if (ret < 0)
return ret;
@ -147,6 +152,11 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode)
if (ret < 0)
return ret;
/* disable beacon early termination */
ret = wl1271_acx_bet_enable(wl, false);
if (ret < 0)
return ret;
/* disable beacon filtering */
ret = wl1271_acx_beacon_filter_opt(wl, false);
if (ret < 0)