mwifiex: parse P2P IEs from beacon_data

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>

1 files changed, 54 insertions, 32 deletions

diff --git a/drivers/net/wireless/mwifiex/ie.c b/drivers/net/wireless/mwifiex/ie.c
index fa3a80fb8c01..e38342f86c51 100644
--- a/drivers/net/wireless/mwifiex/ie.c
+++ b/drivers/net/wireless/mwifiex/ie.c
@@ -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,