[PATCH] scan: Added printing of ssid in dump scan res

[xinpeng wang <wangxinpeng@xxxxxxxxxxxxx>]

Added printing of ssid in dump scan res for easy reading and debugging

Signed-off-by: xinpeng wang <wangxinpeng@xxxxxxxxxxxxx>
---
 wpa_supplicant/scan.c | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/wpa_supplicant/scan.c b/wpa_supplicant/scan.c
index b0094ca6c..310d39233 100644
--- a/wpa_supplicant/scan.c
+++ b/wpa_supplicant/scan.c
@@ -2172,6 +2172,8 @@ static void dump_scan_res(struct wpa_scan_results *scan_res)
 {
 #ifndef CONFIG_NO_STDOUT_DEBUG
 	size_t i;
+	const u8 *ssid_ie, *ssid;
+	size_t ssid_len;
 
 	if (scan_res->res == NULL || scan_res->num == 0)
 		return;
@@ -2181,20 +2183,34 @@ 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;
+		ssid_ie = wpa_scan_get_ie(r, WLAN_EID_SSID);
+		if (ssid_ie != NULL) {
+			ssid = ssid_ie+2;
+			ssid_len = ssid_ie[1];
+		} else {
+			ssid = NULL;
+			ssid_len = 0;
+		}
 		if (r->flags & WPA_SCAN_LEVEL_DBM) {
 			int noise_valid = !(r->flags & WPA_SCAN_NOISE_INVALID);
 
-			wpa_printf(MSG_EXCESSIVE, MACSTR " freq=%d qual=%d "
+			wpa_printf(MSG_EXCESSIVE, MACSTR
+				   " ssid=%s freq=%d qual=%d "
 				   "noise=%d%s level=%d snr=%d%s flags=0x%x age=%u est=%u",
-				   MAC2STR(r->bssid), r->freq, r->qual,
+				   MAC2STR(r->bssid),
+				   wpa_ssid_txt(ssid, ssid_len),
+				   r->freq, r->qual,
 				   r->noise, noise_valid ? "" : "~", r->level,
 				   r->snr, r->snr >= GREAT_SNR ? "*" : "",
 				   r->flags,
 				   r->age, r->est_throughput);
 		} else {
-			wpa_printf(MSG_EXCESSIVE, MACSTR " freq=%d qual=%d "
+			wpa_printf(MSG_EXCESSIVE, MACSTR
+				   " ssid=%s freq=%d qual=%d "
 				   "noise=%d level=%d flags=0x%x age=%u est=%u",
-				   MAC2STR(r->bssid), r->freq, r->qual,
+				   MAC2STR(r->bssid),
+				   wpa_ssid_txt(ssid, ssid_len),
+				   r->freq, r->qual,
 				   r->noise, r->level, r->flags, r->age,
 				   r->est_throughput);
 		}
-- 
2.20.1




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