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wl1271: Add support for connection quality monitoring

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This patch will add support for connection quality monitoring by configuring
rssi triggers to the firmware, and enabling the firmware rssi trigger
functionality.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@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
2010-04-09 11:07:30 +03:00
committed by John W. Linville
parent e19728181c
commit 00236aedf1
9 changed files with 228 additions and 97 deletions
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52
drivers/net/wireless/wl12xx/wl1271_main.c
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@@ -234,35 +234,6 @@ static struct conf_drv_settings default_conf = {
.broadcast_timeout = 20000,
.rx_broadcast_in_ps = 1,
.ps_poll_threshold = 20,
.sig_trigger_count = 2,
.sig_trigger = {
[0] = {
.threshold = -75,
.pacing = 500,
.metric = CONF_TRIG_METRIC_RSSI_BEACON,
.type = CONF_TRIG_EVENT_TYPE_EDGE,
.direction = CONF_TRIG_EVENT_DIR_LOW,
.hysteresis = 2,
.index = 0,
.enable = 1
},
[1] = {
.threshold = -75,
.pacing = 500,
.metric = CONF_TRIG_METRIC_RSSI_BEACON,
.type = CONF_TRIG_EVENT_TYPE_EDGE,
.direction = CONF_TRIG_EVENT_DIR_HIGH,
.hysteresis = 2,
.index = 1,
.enable = 1
}
},
.sig_weights = {
.rssi_bcn_avg_weight = 10,
.rssi_pkt_avg_weight = 10,
.snr_bcn_avg_weight = 10,
.snr_pkt_avg_weight = 10
},
.bet_enable = CONF_BET_MODE_ENABLE,
.bet_max_consecutive = 10,
.psm_entry_retries = 3,
@@ -281,6 +252,14 @@ static struct conf_drv_settings default_conf = {
.pm_config = {
.host_clk_settling_time = 5000,
.host_fast_wakeup_support = false
},
.roam_trigger = {
/* FIXME: due to firmware bug, must use value 1 for now */
.trigger_pacing = 1,
.avg_weight_rssi_beacon = 20,
.avg_weight_rssi_data = 10,
.avg_weight_snr_beacon = 20,
.avg_weight_snr_data = 10
}
};
@@ -1703,6 +1682,18 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
do_join = true;
}
if (changed & BSS_CHANGED_CQM) {
bool enable = false;
if (bss_conf->cqm_rssi_thold)
enable = true;
ret = wl1271_acx_rssi_snr_trigger(wl, enable,
bss_conf->cqm_rssi_thold,
bss_conf->cqm_rssi_hyst);
if (ret < 0)
goto out;
wl->rssi_thold = bss_conf->cqm_rssi_thold;
}
if ((changed & BSS_CHANGED_BSSID) &&
/*
* Now we know the correct bssid, so we send a new join command
@@ -2283,7 +2274,8 @@ int wl1271_init_ieee80211(struct wl1271 *wl)
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_SUPPORTS_UAPSD |
IEEE80211_HW_HAS_RATE_CONTROL |
IEEE80211_HW_CONNECTION_MONITOR;
IEEE80211_HW_CONNECTION_MONITOR |
IEEE80211_HW_SUPPORTS_CQM_RSSI;
wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);