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Add snr and est_throughput to the BSS entries

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These values were previously used only for sorting the scan results, but
it may be useful to provide access to the used values through the BSS
entries.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-02-22 10:50:55 +02:00
parent a1b790eb9d
commit 1d747e2a98
4 changed files with 25 additions and 2 deletions
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2
src/common/wpa_ctrl.h
View File

@ -274,6 +274,8 @@ extern "C" {
#define WPA_BSS_MASK_WIFI_DISPLAY BIT(16)
#define WPA_BSS_MASK_DELIM BIT(17)
#define WPA_BSS_MASK_MESH_SCAN BIT(18)
#define WPA_BSS_MASK_SNR BIT(19)
#define WPA_BSS_MASK_EST_THROUGHPUT BIT(20)
/* VENDOR_ELEM_* frame id values */

4
wpa_supplicant/bss.c
View File

@ -1,6 +1,6 @@
/*
* BSS table
* Copyright (c) 2009-2012, Jouni Malinen <j@w1.fi>
* Copyright (c) 2009-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@ -286,6 +286,8 @@ static void wpa_bss_copy_res(struct wpa_bss *dst, struct wpa_scan_res *src,
dst->noise = src->noise;
dst->level = src->level;
dst->tsf = src->tsf;
dst->est_throughput = src->est_throughput;
dst->snr = src->snr;
calculate_update_time(fetch_time, src->age, &dst->last_update);
}

6
wpa_supplicant/bss.h
View File

@ -1,6 +1,6 @@
/*
* BSS table
* Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
* Copyright (c) 2009-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@ -88,6 +88,10 @@ struct wpa_bss {
u64 tsf;
/** Time of the last update (i.e., Beacon or Probe Response RX) */
struct os_reltime last_update;
/** Estimated throughput in kbps */
unsigned int est_throughput;
/** Signal-to-noise ratio in dB */
int snr;
/** ANQP data */
struct wpa_bss_anqp *anqp;
/** Length of the following IE field in octets (from Probe Response) */

15
wpa_supplicant/ctrl_iface.c
View File

@ -4218,6 +4218,21 @@ static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
}
#endif /* CONFIG_MESH */
if (mask & WPA_BSS_MASK_SNR) {
ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
if (os_snprintf_error(end - pos, ret))
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
bss->est_throughput);
if (os_snprintf_error(end - pos, ret))
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_DELIM) {
ret = os_snprintf(pos, end - pos, "====\n");
if (os_snprintf_error(end - pos, ret))