mwifiex: parse P2P IEs from beacon_data
authorStone Piao <piaoyun@marvell.com>
Wed, 26 Sep 2012 03:23:43 +0000 (20:23 -0700)
committerJohn W. Linville <linville@tuxdriver.com>
Fri, 28 Sep 2012 17:54:06 +0000 (13:54 -0400)
Parse P2P IEs and set them to FW with related masks.

Signed-off-by: Stone Piao <piaoyun@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/mwifiex/ie.c

index fa3a80fb8c01e5b4c194aacd32d66dec934307bb..e38342f86c515e6e574fbae572e7c51dbe7c8fa8 100644 (file)
@@ -114,9 +114,6 @@ mwifiex_update_autoindex_ies(struct mwifiex_private *priv,
                                                        cpu_to_le16(mask);
 
                        ie->ie_index = cpu_to_le16(index);
-                       ie->ie_length = priv->mgmt_ie[index].ie_length;
-                       memcpy(&ie->ie_buffer, &priv->mgmt_ie[index].ie_buffer,
-                              le16_to_cpu(priv->mgmt_ie[index].ie_length));
                } else {
                        if (mask != MWIFIEX_DELETE_MASK)
                                return -1;
@@ -214,30 +211,35 @@ mwifiex_update_uap_custom_ie(struct mwifiex_private *priv,
        return ret;
 }
 
-/* This function checks if WPS IE is present in passed buffer and copies it to
- * mwifiex_ie structure.
+/* This function checks if the vendor specified IE is present in passed buffer
+ * and copies it to mwifiex_ie structure.
  * Function takes pointer to struct mwifiex_ie pointer as argument.
- * If WPS IE is present memory is allocated for mwifiex_ie pointer and filled
- * in with WPS IE. Caller should take care of freeing this memory.
+ * If the vendor specified IE is present then memory is allocated for
+ * mwifiex_ie pointer and filled in with IE. Caller should take care of freeing
+ * this memory.
  */
-static int mwifiex_update_wps_ie(const u8 *ies, int ies_len,
-                                struct mwifiex_ie **ie_ptr, u16 mask)
+static int mwifiex_update_vs_ie(const u8 *ies, int ies_len,
+                               struct mwifiex_ie **ie_ptr, u16 mask,
+                               unsigned int oui, u8 oui_type)
 {
-       struct ieee_types_header *wps_ie;
-       struct mwifiex_ie *ie = NULL;
+       struct ieee_types_header *vs_ie;
+       struct mwifiex_ie *ie = *ie_ptr;
        const u8 *vendor_ie;
 
-       vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
-                                           WLAN_OUI_TYPE_MICROSOFT_WPS,
-                                           ies, ies_len);
+       vendor_ie = cfg80211_find_vendor_ie(oui, oui_type, ies, ies_len);
        if (vendor_ie) {
-               ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
-               if (!ie)
-                       return -ENOMEM;
+               if (!*ie_ptr) {
+                       *ie_ptr = kzalloc(sizeof(struct mwifiex_ie),
+                                         GFP_KERNEL);
+                       if (!*ie_ptr)
+                               return -ENOMEM;
+                       ie = *ie_ptr;
+               }
 
-               wps_ie = (struct ieee_types_header *)vendor_ie;
-               memcpy(ie->ie_buffer, wps_ie, wps_ie->len + 2);
-               ie->ie_length = cpu_to_le16(wps_ie->len + 2);
+               vs_ie = (struct ieee_types_header *)vendor_ie;
+               memcpy(ie->ie_buffer + le16_to_cpu(ie->ie_length),
+                      vs_ie, vs_ie->len + 2);
+               le16_add_cpu(&ie->ie_length, vs_ie->len + 2);
                ie->mgmt_subtype_mask = cpu_to_le16(mask);
                ie->ie_index = cpu_to_le16(MWIFIEX_AUTO_IDX_MASK);
        }
@@ -257,20 +259,40 @@ static int mwifiex_set_mgmt_beacon_data_ies(struct mwifiex_private *priv,
        u16 ar_idx = MWIFIEX_AUTO_IDX_MASK;
        int ret = 0;
 
-       if (data->beacon_ies && data->beacon_ies_len)
-               mwifiex_update_wps_ie(data->beacon_ies, data->beacon_ies_len,
-                                     &beacon_ie, MGMT_MASK_BEACON);
+       if (data->beacon_ies && data->beacon_ies_len) {
+               mwifiex_update_vs_ie(data->beacon_ies, data->beacon_ies_len,
+                                    &beacon_ie, MGMT_MASK_BEACON,
+                                    WLAN_OUI_MICROSOFT,
+                                    WLAN_OUI_TYPE_MICROSOFT_WPS);
+               mwifiex_update_vs_ie(data->beacon_ies, data->beacon_ies_len,
+                                    &beacon_ie, MGMT_MASK_BEACON,
+                                    WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P);
+       }
 
-       if (data->proberesp_ies && data->proberesp_ies_len)
-               mwifiex_update_wps_ie(data->proberesp_ies,
-                                     data->proberesp_ies_len, &pr_ie,
-                                     MGMT_MASK_PROBE_RESP);
+       if (data->proberesp_ies && data->proberesp_ies_len) {
+               mwifiex_update_vs_ie(data->proberesp_ies,
+                                    data->proberesp_ies_len, &pr_ie,
+                                    MGMT_MASK_PROBE_RESP, WLAN_OUI_MICROSOFT,
+                                    WLAN_OUI_TYPE_MICROSOFT_WPS);
+               mwifiex_update_vs_ie(data->proberesp_ies,
+                                    data->proberesp_ies_len, &pr_ie,
+                                    MGMT_MASK_PROBE_RESP,
+                                    WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P);
+       }
 
-       if (data->assocresp_ies && data->assocresp_ies_len)
-               mwifiex_update_wps_ie(data->assocresp_ies,
-                                     data->assocresp_ies_len, &ar_ie,
-                                     MGMT_MASK_ASSOC_RESP |
-                                     MGMT_MASK_REASSOC_RESP);
+       if (data->assocresp_ies && data->assocresp_ies_len) {
+               mwifiex_update_vs_ie(data->assocresp_ies,
+                                    data->assocresp_ies_len, &ar_ie,
+                                    MGMT_MASK_ASSOC_RESP |
+                                    MGMT_MASK_REASSOC_RESP,
+                                    WLAN_OUI_MICROSOFT,
+                                    WLAN_OUI_TYPE_MICROSOFT_WPS);
+               mwifiex_update_vs_ie(data->assocresp_ies,
+                                    data->assocresp_ies_len, &ar_ie,
+                                    MGMT_MASK_ASSOC_RESP |
+                                    MGMT_MASK_REASSOC_RESP, WLAN_OUI_WFA,
+                                    WLAN_OUI_TYPE_WFA_P2P);
+       }
 
        if (beacon_ie || pr_ie || ar_ie) {
                ret = mwifiex_update_uap_custom_ie(priv, beacon_ie,