Move scan/roaming related defines to a header file

This is a step towards allowing these values to be used in both scan.c
and events.c.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/wpa_supplicant/scan.c b/wpa_supplicant/scan.c
index 4d158a9c66daf2656b13ebaac114a8e85b766442..fea410250a6273bd475e2d12fb3d4cfdc309edbc 100644 (file)
--- a/wpa_supplicant/scan.c
+++ b/wpa_supplicant/scan.c
@@ -1956,20 +1956,6 @@ struct wpabuf * wpa_scan_get_vendor_ie_multi(const struct wpa_scan_res *res,
 }
 
 
-/*
- * Channels with a great SNR can operate at full rate. What is a great SNR?
- * This doc https://supportforums.cisco.com/docs/DOC-12954 says, "the general
- * rule of thumb is that any SNR above 20 is good." This one
- * http://www.cisco.com/en/US/tech/tk722/tk809/technologies_q_and_a_item09186a00805e9a96.shtml#qa23
- * recommends 25 as a minimum SNR for 54 Mbps data rate. The estimates used in
- * scan_est_throughput() allow even smaller SNR values for the maximum rates
- * (21 for 54 Mbps, 22 for VHT80 MCS9, 24 for HT40 and HT20 MCS7). Use 25 as a
- * somewhat conservative value here.
- */
-#define GREAT_SNR 25
-
-#define IS_5GHZ(n) (n > 4000)
-
 /* Compare function for sorting scan results. Return >0 if @b is considered
  * better. */
 static int wpa_scan_result_compar(const void *a, const void *b)
@@ -2178,14 +2164,6 @@ void filter_scan_res(struct wpa_supplicant *wpa_s,
 }
 
 
-/*
- * Noise floor values to use when we have signal strength
- * measurements, but no noise floor measurements. These values were
- * measured in an office environment with many APs.
- */
-#define DEFAULT_NOISE_FLOOR_2GHZ (-89)
-#define DEFAULT_NOISE_FLOOR_5GHZ (-92)
-
 void scan_snr(struct wpa_scan_res *res)
 {
        if (res->flags & WPA_SCAN_NOISE_INVALID) {

diff --git a/wpa_supplicant/scan.h b/wpa_supplicant/scan.h
index 58caa7818dced877eeaabb38eacec14e4bf84ef0..5ad1ce9f1b305ddaaee458b5e6486955b82409af 100644 (file)
--- a/wpa_supplicant/scan.h
+++ b/wpa_supplicant/scan.h
@@ -9,6 +9,28 @@
 #ifndef SCAN_H
 #define SCAN_H
 
+/*
+ * Noise floor values to use when we have signal strength
+ * measurements, but no noise floor measurements. These values were
+ * measured in an office environment with many APs.
+ */
+#define DEFAULT_NOISE_FLOOR_2GHZ (-89)
+#define DEFAULT_NOISE_FLOOR_5GHZ (-92)
+
+/*
+ * Channels with a great SNR can operate at full rate. What is a great SNR?
+ * This doc https://supportforums.cisco.com/docs/DOC-12954 says, "the general
+ * rule of thumb is that any SNR above 20 is good." This one
+ * http://www.cisco.com/en/US/tech/tk722/tk809/technologies_q_and_a_item09186a00805e9a96.shtml#qa23
+ * recommends 25 as a minimum SNR for 54 Mbps data rate. The estimates used in
+ * scan_est_throughput() allow even smaller SNR values for the maximum rates
+ * (21 for 54 Mbps, 22 for VHT80 MCS9, 24 for HT40 and HT20 MCS7). Use 25 as a
+ * somewhat conservative value here.
+ */
+#define GREAT_SNR 25
+
+#define IS_5GHZ(n) (n > 4000)
+
 int wpa_supplicant_enabled_networks(struct wpa_supplicant *wpa_s);
 void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
 int wpa_supplicant_delayed_sched_scan(struct wpa_supplicant *wpa_s,