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wl1271: Enable hardware keep alive messages

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This patch will enable the hardware keep-alive mode, configure the required
template, configure keep-alive parameters, and re-order JOIN's and ACX_AID
in such a way that the keep-alive is activated.

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
2010-03-26 12:53:32 +02:00
committed by John W. Linville
parent bfb24c9e16
commit c18995540c
5 changed files with 138 additions and 3 deletions
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33
drivers/net/wireless/wl12xx/wl1271_main.c
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@@ -264,7 +264,8 @@ static struct conf_drv_settings default_conf = {
},
.bet_enable = CONF_BET_MODE_ENABLE,
.bet_max_consecutive = 10,
.psm_entry_retries = 3
.psm_entry_retries = 3,
.keep_alive_interval = 55000
},
.init = {
.radioparam = {
@@ -1203,6 +1204,9 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
wl->rate_set = CONF_TX_RATE_MASK_BASIC;
wl->sta_rate_set = 0;
wl1271_acx_rate_policies(wl);
wl1271_acx_keep_alive_config(
wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
ACX_KEEP_ALIVE_TPL_INVALID);
}
}
@@ -1676,7 +1680,8 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
ret = wl1271_cmd_build_probe_req(wl, NULL, 0,
NULL, 0, wl->band);
ret = wl1271_acx_aid(wl, wl->aid);
/* Enable the keep-alive feature */
ret = wl1271_acx_keep_alive_mode(wl, true);
if (ret < 0)
goto out_sleep;
@@ -1700,6 +1705,10 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
/* disable connection monitor features */
ret = wl1271_acx_conn_monit_params(wl, false);
/* Disable the keep-alive feature */
ret = wl1271_acx_keep_alive_mode(wl, false);
if (ret < 0)
goto out_sleep;
}
@@ -1744,6 +1753,26 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
set_bit(WL1271_FLAG_JOINED, &wl->flags);
}
/*
* The JOIN operation shuts down the firmware keep-alive as a side
* effect, and the ACX_AID will start the keep-alive as a side effect.
* Hence, for non-IBSS, the ACX_AID must always happen *after* the
* JOIN operation, and the template config after the ACX_AID.
*/
if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) {
ret = wl1271_acx_aid(wl, wl->aid);
if (ret < 0)
goto out_sleep;
ret = wl1271_cmd_build_klv_null_data(wl);
if (ret < 0)
goto out_sleep;
ret = wl1271_acx_keep_alive_config(
wl, CMD_TEMPL_KLV_IDX_NULL_DATA,
ACX_KEEP_ALIVE_TPL_VALID);
if (ret < 0)
goto out_sleep;
}
out_sleep:
wl1271_ps_elp_sleep(wl);