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wl1271: Reduce rate used for last PSM entry attempt

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This patch reduces the rate of the null-func used to enter PSM on the last
retry as precaution.

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>
This commit is contained in:
Juuso Oikarinen 2010-08-24 06:28:03 +03:00 committed by Luciano Coelho
parent 02fabb0eaf
commit 65cddbf135
6 changed files with 28 additions and 15 deletions
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4
drivers/net/wireless/wl12xx/wl1271_cmd.c
View file

@ -390,7 +390,7 @@ out:
return ret;
}
int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, bool send)
int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, u32 rates, bool send)
{
struct wl1271_cmd_ps_params *ps_params = NULL;
int ret = 0;
@ -407,7 +407,7 @@ int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, bool send)
ps_params->send_null_data = send;
ps_params->retries = 5;
ps_params->hang_over_period = 1;
ps_params->null_data_rate = cpu_to_le32(wl->basic_rate_set);
ps_params->null_data_rate = cpu_to_le32(rates);
ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
sizeof(*ps_params), 0);

4
drivers/net/wireless/wl12xx/wl1271_cmd.h
View file

@ -38,7 +38,9 @@ int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer);
int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len);
int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len);
int wl1271_cmd_data_path(struct wl1271 *wl, bool enable);
int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, bool send);
int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, u32 rates, bool send);
int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
size_t len);
int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
void *buf, size_t buf_len, int index, u32 rates);
int wl1271_cmd_build_null_data(struct wl1271 *wl);

17
drivers/net/wireless/wl12xx/wl1271_event.c
View file

@ -52,7 +52,7 @@ void wl1271_pspoll_work(struct work_struct *work)
* delivery failure occurred, and no-one changed state since, so
* we should go back to powersave.
*/
wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, true);
wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, wl->basic_rate, true);
out:
mutex_unlock(&wl->mutex);
@ -70,7 +70,8 @@ static void wl1271_event_pspoll_delivery_fail(struct wl1271 *wl)
/* force active mode receive data from the AP */
if (test_bit(WL1271_FLAG_PSM, &wl->flags)) {
ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, true);
ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
wl->basic_rate, true);
if (ret < 0)
return;
set_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags);
@ -91,6 +92,8 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
bool *beacon_loss)
{
int ret = 0;
u32 total_retries = wl->conf.conn.psm_entry_retries;
u32 rates;
wl1271_debug(DEBUG_EVENT, "ps_status: 0x%x", mbox->ps_status);
@ -104,10 +107,14 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
break;
}
if (wl->psm_entry_retry < wl->conf.conn.psm_entry_retries) {
if (wl->psm_entry_retry < total_retries) {
wl->psm_entry_retry++;
if (wl->psm_entry_retry == total_retries)
rates = wl->basic_rate;
else
rates = wl->basic_rate_set;
ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE,
true);
rates, true);
} else {
wl1271_info("No ack to nullfunc from AP.");
wl->psm_entry_retry = 0;
@ -143,7 +150,7 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
/* make sure the firmware goes to active mode - the frame to
be sent next will indicate to the AP, that we are active. */
ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
false);
wl->basic_rate, false);
break;
case EVENT_EXIT_POWER_SAVE_SUCCESS:
default:

8
drivers/net/wireless/wl12xx/wl1271_main.c
View file

@ -1341,7 +1341,7 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) {
wl1271_debug(DEBUG_PSM, "psm enabled");
ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE,
true);
wl->basic_rate_set, true);
}
} else if (!(conf->flags & IEEE80211_CONF_PS) &&
test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
@ -1351,7 +1351,7 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
if (test_bit(WL1271_FLAG_PSM, &wl->flags))
ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
true);
wl->basic_rate_set, true);
}
if (conf->power_level != wl->power_level) {
@ -1826,7 +1826,9 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) &&
!test_bit(WL1271_FLAG_PSM, &wl->flags)) {
mode = STATION_POWER_SAVE_MODE;
ret = wl1271_ps_set_mode(wl, mode, true);
ret = wl1271_ps_set_mode(wl, mode,
wl->basic_rate_set,
true);
if (ret < 0)
goto out_sleep;
}

8
drivers/net/wireless/wl12xx/wl1271_ps.c
View file

@ -121,7 +121,7 @@ out:
}
int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode,
bool send)
u32 rates, bool send)
{
int ret;
@ -135,7 +135,8 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode,
return ret;
}
ret = wl1271_cmd_ps_mode(wl, STATION_POWER_SAVE_MODE, send);
ret = wl1271_cmd_ps_mode(wl, STATION_POWER_SAVE_MODE,
rates, send);
if (ret < 0)
return ret;
@ -158,7 +159,8 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode,
if (ret < 0)
return ret;
ret = wl1271_cmd_ps_mode(wl, STATION_ACTIVE_MODE, send);
ret = wl1271_cmd_ps_mode(wl, STATION_ACTIVE_MODE,
rates, send);
if (ret < 0)
return ret;

2
drivers/net/wireless/wl12xx/wl1271_ps.h
View file

@ -28,7 +28,7 @@
#include "wl1271_acx.h"
int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode,
bool send);
u32 rates, bool send);
void wl1271_ps_elp_sleep(struct wl1271 *wl);
int wl1271_ps_elp_wakeup(struct wl1271 *wl, bool chip_awake);
void wl1271_elp_work(struct work_struct *work);