int wl1271_cmd_build_probe_req(struct wl1271 *wl,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len, u8 band)
{
struct sk_buff *skb;
int ret;
skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
ie, ie_len);
if (!skb) {
ret = -ENOMEM;
goto out;
}
wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len);
if (band == IEEE80211_BAND_2GHZ)
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate);
else
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate_5);
out:
dev_kfree_skb(skb);
return ret;
}
int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif,
u8 role_id, u8 band,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len)
{
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
struct sk_buff *skb;
int ret;
u32 rate;
skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len,
ie, ie_len);
if (!skb) {
ret = -ENOMEM;
goto out;
}
wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len);
rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]);
if (band == IEEE80211_BAND_2GHZ)
ret = wl1271_cmd_template_set(wl, role_id,
CMD_TEMPL_CFG_PROBE_REQ_2_4,
skb->data, skb->len, 0, rate);
else
ret = wl1271_cmd_template_set(wl, role_id,
CMD_TEMPL_CFG_PROBE_REQ_5,
skb->data, skb->len, 0, rate);
out:
dev_kfree_skb(skb);
return ret;
}
int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif,
u8 role_id, u8 band,
const u8 *ssid, size_t ssid_len,
const u8 *ie0, size_t ie0_len, const u8 *ie1,
size_t ie1_len, bool sched_scan)
{
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
struct sk_buff *skb;
int ret;
u32 rate;
u16 template_id_2_4 = wl->scan_templ_id_2_4;
u16 template_id_5 = wl->scan_templ_id_5;
wl1271_debug(DEBUG_SCAN, "build probe request band %d", band);
skb = ieee80211_probereq_get(wl->hw, vif->addr, ssid, ssid_len,
ie0_len + ie1_len);
if (!skb) {
ret = -ENOMEM;
goto out;
}
if (ie0_len)
memcpy(skb_put(skb, ie0_len), ie0, ie0_len);
if (ie1_len)
memcpy(skb_put(skb, ie1_len), ie1, ie1_len);
if (sched_scan &&
(wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL)) {
template_id_2_4 = wl->sched_scan_templ_id_2_4;
template_id_5 = wl->sched_scan_templ_id_5;
}
rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]);
if (band == IEEE80211_BAND_2GHZ)
ret = wl1271_cmd_template_set(wl, role_id,
template_id_2_4,
skb->data, skb->len, 0, rate);
else
ret = wl1271_cmd_template_set(wl, role_id,
template_id_5,
skb->data, skb->len, 0, rate);
out:
dev_kfree_skb(skb);
return ret;
}
int cw1200_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_scan_request *hw_req)
{
struct cw1200_common *priv = hw->priv;
struct cfg80211_scan_request *req = &hw_req->req;
struct wsm_template_frame frame = {
.frame_type = WSM_FRAME_TYPE_PROBE_REQUEST,
};
int i, ret;
if (!priv->vif)
return -EINVAL;
/* Scan when P2P_GO corrupt firmware MiniAP mode */
if (priv->join_status == CW1200_JOIN_STATUS_AP)
return -EOPNOTSUPP;
if (req->n_ssids == 1 && !req->ssids[0].ssid_len)
req->n_ssids = 0;
wiphy_dbg(hw->wiphy, "[SCAN] Scan request for %d SSIDs.\n",
req->n_ssids);
if (req->n_ssids > WSM_SCAN_MAX_NUM_OF_SSIDS)
return -EINVAL;
/* will be unlocked in cw1200_scan_work() */
down(&priv->scan.lock);
mutex_lock(&priv->conf_mutex);
frame.skb = ieee80211_probereq_get(hw, priv->vif->addr, NULL, 0,
req->ie_len);
if (!frame.skb) {
mutex_unlock(&priv->conf_mutex);
up(&priv->scan.lock);
return -ENOMEM;
}
if (req->ie_len)
skb_put_data(frame.skb, req->ie, req->ie_len);
ret = wsm_set_template_frame(priv, &frame);
if (!ret) {
/* Host want to be the probe responder. */
ret = wsm_set_probe_responder(priv, true);
}
if (ret) {
dev_kfree_skb(frame.skb);
mutex_unlock(&priv->conf_mutex);
up(&priv->scan.lock);
return ret;
}
wsm_lock_tx(priv);
BUG_ON(priv->scan.req);
priv->scan.req = req;
priv->scan.n_ssids = 0;
priv->scan.status = 0;
priv->scan.begin = &req->channels[0];
priv->scan.curr = priv->scan.begin;
priv->scan.end = &req->channels[req->n_channels];
priv->scan.output_power = priv->output_power;
for (i = 0; i < req->n_ssids; ++i) {
struct wsm_ssid *dst = &priv->scan.ssids[priv->scan.n_ssids];
memcpy(&dst->ssid[0], req->ssids[i].ssid, sizeof(dst->ssid));
dst->length = req->ssids[i].ssid_len;
++priv->scan.n_ssids;
}
if (frame.skb)
dev_kfree_skb(frame.skb);
mutex_unlock(&priv->conf_mutex);
queue_work(priv->workqueue, &priv->scan.work);
return 0;
}
