1 files changed, 43 insertions, 2 deletions

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 0520b38e8e72..d7b1bb3e08a8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1139,11 +1139,15 @@ out:
 
 static int wl1271_join_channel(struct wl1271 *wl, int channel)
 {
-        int ret;
+        int ret = 0;
         /* we need to use a dummy BSSID for now */
         static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde,
                                                   0xad, 0xbe, 0xef };
 
+        /* the dummy join is not required for ad-hoc */
+        if (wl->bss_type == BSS_TYPE_IBSS)
+                goto out;
+
         /* disable mac filter, so we hear everything */
         wl->rx_config &= ~CFG_BSSID_FILTER_EN;
 
@@ -1572,6 +1576,42 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
                         wl->joined = true;
         }
 
+        if (wl->bss_type == BSS_TYPE_IBSS) {
+                /* FIXME: This implements rudimentary ad-hoc support -
+                   proper templates are on the wish list and notification
+                   on when they change. This patch will update the templates
+                   on every call to this function. Also, the firmware will not
+                   answer to probe-requests as it does not have the proper
+                   SSID set in the JOIN command. The probe-response template
+                   is set nevertheless, as the FW will ASSERT without it */
+                struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
+
+                if (beacon) {
+                        struct ieee80211_hdr *hdr;
+                        ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
+                                                      beacon->data,
+                                                      beacon->len);
+
+                        if (ret < 0) {
+                                dev_kfree_skb(beacon);
+                                goto out_sleep;
+                        }
+
+                        hdr = (struct ieee80211_hdr *) beacon->data;
+                        hdr->frame_control = cpu_to_le16(
+                                IEEE80211_FTYPE_MGMT |
+                                IEEE80211_STYPE_PROBE_RESP);
+
+                        ret = wl1271_cmd_template_set(wl,
+                                                      CMD_TEMPL_PROBE_RESPONSE,
+                                                      beacon->data,
+                                                      beacon->len);
+                        dev_kfree_skb(beacon);
+                        if (ret < 0)
+                                goto out_sleep;
+                }
+        }
+
         if (changed & BSS_CHANGED_ASSOC) {
                 if (bss_conf->assoc) {
                         wl->aid = bss_conf->aid;
@@ -1857,7 +1897,8 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
                 IEEE80211_HW_BEACON_FILTER |
                 IEEE80211_HW_SUPPORTS_PS;
 
-        wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+        wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+                BIT(NL80211_IFTYPE_ADHOC);
         wl->hw->wiphy->max_scan_ssids = 1;
         wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz;