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path: root/drivers/net/wireless/wl12xx/scan.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/scan.c')
-rw-r--r--drivers/net/wireless/wl12xx/scan.c62
1 files changed, 36 insertions, 26 deletions
diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index e24111ececc5..fcba055ef196 100644
--- a/drivers/net/wireless/wl12xx/scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -38,7 +38,6 @@ void wl1271_scan_complete_work(struct work_struct *work)
struct ieee80211_vif *vif;
struct wl12xx_vif *wlvif;
int ret;
- bool is_sta, is_ibss;
dwork = container_of(work, struct delayed_work, work);
wl = container_of(dwork, struct wl1271, scan_complete_work);
@@ -56,6 +55,12 @@ void wl1271_scan_complete_work(struct work_struct *work)
vif = wl->scan_vif;
wlvif = wl12xx_vif_to_data(vif);
+ /*
+ * Rearm the tx watchdog just before idling scan. This
+ * prevents just-finished scans from triggering the watchdog
+ */
+ wl12xx_rearm_tx_watchdog_locked(wl);
+
wl->scan.state = WL1271_SCAN_STATE_IDLE;
memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch));
wl->scan.req = NULL;
@@ -70,15 +75,6 @@ void wl1271_scan_complete_work(struct work_struct *work)
wl1271_cmd_build_ap_probe_req(wl, wlvif, wlvif->probereq);
}
- /* return to ROC if needed */
- is_sta = (wlvif->bss_type == BSS_TYPE_STA_BSS);
- is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS);
- if (((is_sta && !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) ||
- (is_ibss && !test_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags))) &&
- !test_bit(wlvif->dev_role_id, wl->roc_map)) {
- /* restore remain on channel */
- wl12xx_start_dev(wl, wlvif);
- }
wl1271_ps_elp_sleep(wl);
if (wl->scan.failed) {
@@ -182,14 +178,23 @@ static int wl1271_scan_send(struct wl1271 *wl, struct ieee80211_vif *vif,
goto out;
}
+ if (wl->conf.scan.split_scan_timeout)
+ scan_options |= WL1271_SCAN_OPT_SPLIT_SCAN;
+
if (passive)
scan_options |= WL1271_SCAN_OPT_PASSIVE;
- if (WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID)) {
+ if (wlvif->bss_type == BSS_TYPE_AP_BSS ||
+ test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
+ cmd->params.role_id = wlvif->role_id;
+ else
+ cmd->params.role_id = wlvif->dev_role_id;
+
+ if (WARN_ON(cmd->params.role_id == WL12XX_INVALID_ROLE_ID)) {
ret = -EINVAL;
goto out;
}
- cmd->params.role_id = wlvif->role_id;
+
cmd->params.scan_options = cpu_to_le16(scan_options);
cmd->params.n_ch = wl1271_get_scan_channels(wl, wl->scan.req,
@@ -202,7 +207,7 @@ static int wl1271_scan_send(struct wl1271 *wl, struct ieee80211_vif *vif,
cmd->params.tx_rate = cpu_to_le32(basic_rate);
cmd->params.n_probe_reqs = wl->conf.scan.num_probe_reqs;
- cmd->params.tid_trigger = 0;
+ cmd->params.tid_trigger = CONF_TX_AC_ANY_TID;
cmd->params.scan_tag = WL1271_SCAN_DEFAULT_TAG;
if (band == IEEE80211_BAND_2GHZ)
@@ -217,16 +222,17 @@ static int wl1271_scan_send(struct wl1271 *wl, struct ieee80211_vif *vif,
memcpy(cmd->addr, vif->addr, ETH_ALEN);
- ret = wl1271_cmd_build_probe_req(wl, wlvif, wl->scan.ssid,
- wl->scan.ssid_len, wl->scan.req->ie,
- wl->scan.req->ie_len, band);
+ ret = wl12xx_cmd_build_probe_req(wl, wlvif,
+ cmd->params.role_id, band,
+ wl->scan.ssid, wl->scan.ssid_len,
+ wl->scan.req->ie,
+ wl->scan.req->ie_len);
if (ret < 0) {
wl1271_error("PROBE request template failed");
goto out;
}
- /* disable the timeout */
- trigger->timeout = 0;
+ trigger->timeout = cpu_to_le32(wl->conf.scan.split_scan_timeout);
ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger,
sizeof(*trigger), 0);
if (ret < 0) {
@@ -658,11 +664,13 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl,
}
if (!force_passive && cfg->active[0]) {
- ret = wl1271_cmd_build_probe_req(wl, wlvif, req->ssids[0].ssid,
+ u8 band = IEEE80211_BAND_2GHZ;
+ ret = wl12xx_cmd_build_probe_req(wl, wlvif,
+ wlvif->dev_role_id, band,
+ req->ssids[0].ssid,
req->ssids[0].ssid_len,
- ies->ie[IEEE80211_BAND_2GHZ],
- ies->len[IEEE80211_BAND_2GHZ],
- IEEE80211_BAND_2GHZ);
+ ies->ie[band],
+ ies->len[band]);
if (ret < 0) {
wl1271_error("2.4GHz PROBE request template failed");
goto out;
@@ -670,11 +678,13 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl,
}
if (!force_passive && cfg->active[1]) {
- ret = wl1271_cmd_build_probe_req(wl, wlvif, req->ssids[0].ssid,
+ u8 band = IEEE80211_BAND_5GHZ;
+ ret = wl12xx_cmd_build_probe_req(wl, wlvif,
+ wlvif->dev_role_id, band,
+ req->ssids[0].ssid,
req->ssids[0].ssid_len,
- ies->ie[IEEE80211_BAND_5GHZ],
- ies->len[IEEE80211_BAND_5GHZ],
- IEEE80211_BAND_5GHZ);
+ ies->ie[band],
+ ies->len[band]);
if (ret < 0) {
wl1271_error("5GHz PROBE request template failed");
goto out;