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station: refactor the printing of scan results, print SNR/load

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There are a few values which are nice to see in debug logs. Namely
the BSS load and SNR. Both of these values may not be available
either due to the AP or local hardware limiations. Rather than print
dummy values for these refactor the print so append the values only
if they are set in the scan result.
This commit is contained in:
James Prestwood 2024-06-18 09:58:54 -07:00 committed by Denis Kenzior
parent 8de70b1952
commit 3fd5250c0d
1 changed files with 23 additions and 14 deletions
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37
src/station.c
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@ -402,6 +402,27 @@ static int bss_signal_strength_compare(const void *a, const void *b, void *user)
return (bss->signal_strength > new_bss->signal_strength) ? 1 : -1;
}
static void station_print_scan_bss(const struct scan_bss *bss)
{
uint32_t kbps100 = DIV_ROUND_CLOSEST(bss->data_rate, 100000);
char optional[64] = {0};
char *ptr = optional;
if (bss->have_snr)
ptr += sprintf(ptr, ", snr: %d", bss->snr);
if (bss->have_utilization)
ptr += sprintf(ptr, ", load: %u/255", bss->utilization);
l_debug("Processing BSS '%s' with SSID: %s, freq: %u, rank: %u, "
"strength: %i, data_rate: %u.%u%s",
util_address_to_string(bss->addr),
util_ssid_to_utf8(bss->ssid_len, bss->ssid),
bss->frequency, bss->rank, bss->signal_strength,
kbps100 / 10, kbps100 % 10,
optional);
}
/*
* Returns the network object the BSS was added to or NULL if ignored.
*/
@ -412,14 +433,8 @@ static struct network *station_add_seen_bss(struct station *station,
enum security security;
const char *path;
char ssid[33];
uint32_t kbps100 = DIV_ROUND_CLOSEST(bss->data_rate, 100000);
l_debug("Processing BSS '%s' with SSID: %s, freq: %u, rank: %u, "
"strength: %i, data_rate: %u.%u",
util_address_to_string(bss->addr),
util_ssid_to_utf8(bss->ssid_len, bss->ssid),
bss->frequency, bss->rank, bss->signal_strength,
kbps100 / 10, kbps100 % 10);
station_print_scan_bss(bss);
if (util_ssid_is_hidden(bss->ssid_len, bss->ssid)) {
l_debug("BSS has hidden SSID");
@ -2655,15 +2670,9 @@ static bool station_roam_scan_notify(int err, struct l_queue *bss_list,
while ((bss = l_queue_pop_head(bss_list))) {
double rank;
uint32_t kbps100 = DIV_ROUND_CLOSEST(bss->data_rate, 100000);
struct roam_bss *rbss;
l_debug("Processing BSS '%s' with SSID: %s, freq: %u, rank: %u,"
" strength: %i, data_rate: %u.%u",
util_address_to_string(bss->addr),
util_ssid_to_utf8(bss->ssid_len, bss->ssid),
bss->frequency, bss->rank, bss->signal_strength,
kbps100 / 10, kbps100 % 10);
station_print_scan_bss(bss);
/* Skip the BSS we are connected to */
if (!memcmp(bss->addr, station->connected_bss->addr, 6))