Add debug prints of scan result IEs

Excessive debug level can now be used to dump the IEs received in scan
results from both Beacon and Probe Response frames. This makes it easier
to debug issues where the driver (or well, more likely cfg80211) does
not update the IEs based on Beacon frames if even a single Probe
Response frame has been received.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

diff --git a/wpa_supplicant/scan.c b/wpa_supplicant/scan.c
index 923717f296a4c307798910b7c9f318d86c056527..e66eed189ea0a8ce51e2ccc9ed88ff6724488f7b 100644 (file)
--- a/wpa_supplicant/scan.c
+++ b/wpa_supplicant/scan.c
@@ -1249,6 +1249,7 @@ static void dump_scan_res(struct wpa_scan_results *scan_res)
 
        for (i = 0; i < scan_res->num; i++) {
                struct wpa_scan_res *r = scan_res->res[i];
+               u8 *pos;
                if ((r->flags & (WPA_SCAN_LEVEL_DBM | WPA_SCAN_NOISE_INVALID))
                    == WPA_SCAN_LEVEL_DBM) {
                        int snr = r->level - r->noise;
@@ -1263,6 +1264,13 @@ static void dump_scan_res(struct wpa_scan_results *scan_res)
                                   MAC2STR(r->bssid), r->freq, r->qual,
                                   r->noise, r->level, r->flags);
                }
+               pos = (u8 *) (r + 1);
+               if (r->ie_len)
+                       wpa_hexdump(MSG_EXCESSIVE, "IEs", pos, r->ie_len);
+               pos += r->ie_len;
+               if (r->beacon_ie_len)
+                       wpa_hexdump(MSG_EXCESSIVE, "Beacon IEs",
+                                   pos, r->beacon_ie_len);
        }
 #endif /* CONFIG_NO_STDOUT_DEBUG */
 }