wlantest: Add more debug output for frame injection failures

diff --git a/wlantest/inject.c b/wlantest/inject.c
index 3defdf7..3644edf 100644 (file)
--- a/wlantest/inject.c
+++ b/wlantest/inject.c
@@ -220,12 +220,18 @@ static int wlantest_inject_prot(struct wlantest *wt, struct wlantest_bss *bss,
            (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) == 0) {
                struct wlantest_sta *sta2;
                bss = bss_get(wt, hdr->addr3);
-               if (bss == NULL)
+               if (bss == NULL) {
+                       wpa_printf(MSG_DEBUG, "No BSS found for TDLS "
+                                  "injection");
                        return -1;
+               }
                sta = sta_find(bss, hdr->addr2);
                sta2 = sta_find(bss, hdr->addr1);
-               if (sta == NULL || sta2 == NULL)
+               if (sta == NULL || sta2 == NULL) {
+                       wpa_printf(MSG_DEBUG, "No stations found for TDLS "
+                                  "injection");
                        return -1;
+               }
                dl_list_for_each(tdls, &bss->tdls, struct wlantest_tdls, list)
                {
                        if ((tdls->init == sta && tdls->resp == sta2) ||
@@ -248,8 +254,10 @@ static int wlantest_inject_prot(struct wlantest *wt, struct wlantest_bss *bss,
                                               incorrect_key);
        }
 
-       if (tk == NULL && !sta->ptk_set)
+       if (tk == NULL && !sta->ptk_set) {
+               wpa_printf(MSG_DEBUG, "No key known for injection");
                return -1;
+       }
 
        if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT)
                tid = 16;
@@ -288,12 +296,15 @@ static int wlantest_inject_prot(struct wlantest *wt, struct wlantest_bss *bss,
                                     frame, len, hdrlen, qos, pn, 0,
                                     &crypt_len);
 
-       if (crypt == NULL)
+       if (crypt == NULL) {
+               wpa_printf(MSG_DEBUG, "Frame encryption failed");
                return -1;
+       }
 
        wpa_hexdump(MSG_DEBUG, "Inject frame (encrypted)", crypt, crypt_len);
        ret = inject_frame(wt->monitor_sock, crypt, crypt_len);
        os_free(crypt);
+       wpa_printf(MSG_DEBUG, "inject_frame for protected frame: %d", ret);
 
        return (ret < 0) ? -1 : 0;
 }
@@ -358,5 +369,6 @@ int wlantest_inject(struct wlantest *wt, struct wlantest_bss *bss,
                        prot == WLANTEST_INJECT_INCORRECT_KEY);
 
        ret = inject_frame(wt->monitor_sock, frame, len);
+       wpa_printf(MSG_DEBUG, "inject_frame for unprotected frame: %d", ret);
        return (ret < 0) ? -1 : 0;
 }