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-rw-r--r--drivers/net/wireless/wl12xx/cmd.c28
-rw-r--r--drivers/net/wireless/wl12xx/cmd.h2
-rw-r--r--drivers/net/wireless/wl12xx/main.c34
-rw-r--r--drivers/net/wireless/wl12xx/scan.c4
-rw-r--r--drivers/net/wireless/wl12xx/wl12xx.h3
5 files changed, 58 insertions, 13 deletions
diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c
index f3d0541aaad6..8e438e27e496 100644
--- a/drivers/net/wireless/wl12xx/cmd.c
+++ b/drivers/net/wireless/wl12xx/cmd.c
@@ -611,6 +611,34 @@ out:
return ret;
}
+struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
+ struct sk_buff *skb)
+{
+ int ret;
+
+ if (!skb)
+ skb = ieee80211_ap_probereq_get(wl->hw, wl->vif);
+ if (!skb)
+ goto out;
+
+ wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len);
+
+ if (wl->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);
+
+ if (ret < 0)
+ wl1271_error("Unable to set ap probe request template.");
+
+out:
+ return skb;
+}
+
int wl1271_build_qos_null_data(struct wl1271 *wl)
{
struct ieee80211_qos_hdr template;
diff --git a/drivers/net/wireless/wl12xx/cmd.h b/drivers/net/wireless/wl12xx/cmd.h
index 16d1bf814e76..111d112544fc 100644
--- a/drivers/net/wireless/wl12xx/cmd.h
+++ b/drivers/net/wireless/wl12xx/cmd.h
@@ -49,6 +49,8 @@ int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid);
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 *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
+ struct sk_buff *skb);
int wl1271_build_qos_null_data(struct wl1271 *wl);
int wl1271_cmd_build_klv_null_data(struct wl1271 *wl);
int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id);
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 97eb186b5a8a..b2432dab4b51 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -1814,21 +1814,21 @@ out:
return ret;
}
-static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon)
+static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb,
+ int offset)
{
- u8 *ptr = beacon->data +
- offsetof(struct ieee80211_mgmt, u.beacon.variable);
+ u8 *ptr = skb->data + offset;
/* find the location of the ssid in the beacon */
- while (ptr < beacon->data + beacon->len) {
+ while (ptr < skb->data + skb->len) {
if (ptr[0] == WLAN_EID_SSID) {
wl->ssid_len = ptr[1];
memcpy(wl->ssid, ptr+2, wl->ssid_len);
return;
}
- ptr += ptr[1];
+ ptr += (ptr[1] + 2);
}
- wl1271_error("ad-hoc beacon template has no SSID!\n");
+ wl1271_error("No SSID in IEs!\n");
}
static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
@@ -1871,8 +1871,11 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
if (beacon) {
struct ieee80211_hdr *hdr;
+ int ieoffset = offsetof(struct ieee80211_mgmt,
+ u.beacon.variable);
+
+ wl1271_ssid_set(wl, beacon, ieoffset);
- wl1271_ssid_set(wl, beacon);
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
beacon->data,
beacon->len, 0,
@@ -1952,6 +1955,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
if (changed & BSS_CHANGED_ASSOC) {
if (bss_conf->assoc) {
u32 rates;
+ int ieoffset;
wl->aid = bss_conf->aid;
set_assoc = true;
@@ -1980,13 +1984,13 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
goto out_sleep;
/*
- * The SSID is intentionally set to NULL here - the
- * firmware will set the probe request with a
- * broadcast SSID regardless of what we set in the
- * template.
+ * Get a template for hardware connection maintenance
*/
- ret = wl1271_cmd_build_probe_req(wl, NULL, 0,
- NULL, 0, wl->band);
+ dev_kfree_skb(wl->probereq);
+ wl->probereq = wl1271_cmd_build_ap_probe_req(wl, NULL);
+ ieoffset = offsetof(struct ieee80211_mgmt,
+ u.probe_req.variable);
+ wl1271_ssid_set(wl, wl->probereq, ieoffset);
/* enable the connection monitoring feature */
ret = wl1271_acx_conn_monit_params(wl, true);
@@ -2009,6 +2013,10 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
wl->aid = 0;
+ /* free probe-request template */
+ dev_kfree_skb(wl->probereq);
+ wl->probereq = NULL;
+
/* re-enable dynamic ps - just in case */
ieee80211_enable_dyn_ps(wl->vif);
diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index f3f2c5b011ee..6f897b9d90ca 100644
--- a/drivers/net/wireless/wl12xx/scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -51,6 +51,10 @@ void wl1271_scan_complete_work(struct work_struct *work)
wl->scan.req = NULL;
ieee80211_scan_completed(wl->hw, false);
+ /* restore hardware connection monitoring template */
+ if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
+ wl1271_cmd_build_ap_probe_req(wl, wl->probereq);
+
if (wl->scan.failed) {
wl1271_info("Scan completed due to error.");
ieee80211_queue_work(wl->hw, &wl->recovery_work);
diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h
index 3c836e6063e6..9f8aa695c3af 100644
--- a/drivers/net/wireless/wl12xx/wl12xx.h
+++ b/drivers/net/wireless/wl12xx/wl12xx.h
@@ -431,6 +431,9 @@ struct wl1271 {
struct wl1271_scan scan;
struct delayed_work scan_complete_work;
+ /* probe-req template for the current AP */
+ struct sk_buff *probereq;
+
/* Our association ID */
u16 aid;
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