wireless: restore revert lost to merge damage

Restore revert "mac80211: Use IWEVASSOCREQIE instead of IWEVCUSTOM",
originally reverted in commit bf7394ccc13fe291d9258f01113b4c61214ddeae.

Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 39 insertions, 8 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index e859a0ab6162..edc339d649c4 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -650,20 +650,51 @@ static void ieee80211_sta_send_apinfo(struct ieee80211_sub_if_data *sdata,
 static void ieee80211_sta_send_associnfo(struct ieee80211_sub_if_data *sdata,
                                          struct ieee80211_if_sta *ifsta)
 {
+        char *buf;
+        size_t len;
+        int i;
         union iwreq_data wrqu;
 
+        if (!ifsta->assocreq_ies && !ifsta->assocresp_ies)
+                return;
+
+        buf = kmalloc(50 + 2 * (ifsta->assocreq_ies_len +
+                                ifsta->assocresp_ies_len), GFP_KERNEL);
+        if (!buf)
+                return;
+
+        len = sprintf(buf, "ASSOCINFO(");
         if (ifsta->assocreq_ies) {
-                memset(&wrqu, 0, sizeof(wrqu));
-                wrqu.data.length = ifsta->assocreq_ies_len;
-                wireless_send_event(sdata->dev, IWEVASSOCREQIE, &wrqu,
-                                    ifsta->assocreq_ies);
+                len += sprintf(buf + len, "ReqIEs=");
+                for (i = 0; i < ifsta->assocreq_ies_len; i++) {
+                        len += sprintf(buf + len, "%02x",
+                                       ifsta->assocreq_ies[i]);
+                }
         }
         if (ifsta->assocresp_ies) {
-                memset(&wrqu, 0, sizeof(wrqu));
-                wrqu.data.length = ifsta->assocresp_ies_len;
-                wireless_send_event(sdata->dev, IWEVASSOCRESPIE, &wrqu,
-                                    ifsta->assocresp_ies);
+                if (ifsta->assocreq_ies)
+                        len += sprintf(buf + len, " ");
+                len += sprintf(buf + len, "RespIEs=");
+                for (i = 0; i < ifsta->assocresp_ies_len; i++) {
+                        len += sprintf(buf + len, "%02x",
+                                       ifsta->assocresp_ies[i]);
+                }
         }
+        len += sprintf(buf + len, ")");
+
+        if (len > IW_CUSTOM_MAX) {
+                len = sprintf(buf, "ASSOCRESPIE=");
+                for (i = 0; i < ifsta->assocresp_ies_len; i++) {
+                        len += sprintf(buf + len, "%02x",
+                                       ifsta->assocresp_ies[i]);
+                }
+        }
+
+        memset(&wrqu, 0, sizeof(wrqu));
+        wrqu.data.length = len;
+        wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
+
+        kfree(buf);
 }