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iwd
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scan: Optimize frequency set foreach logic

This commit is contained in:
Tim Kourt 2019-03-07 13:06:09 -08:00 committed by Denis Kenzior
parent ef06f06cfb
commit 4b9abde3e5
1 changed files with 27 additions and 8 deletions
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35
src/scan.c
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@ -1672,25 +1672,44 @@ uint32_t scan_freq_set_get_bands(struct scan_freq_set *freqs)
return bands;
}
struct channels_5ghz_foreach_data {
scan_freq_set_func_t func;
void *user_data;
};
static void scan_channels_5ghz_frequency(uint32_t freq, void *user_data)
{
const struct channels_5ghz_foreach_data *channels_5ghz_data = user_data;
channels_5ghz_data->func(freq, channels_5ghz_data->user_data);
}
void scan_freq_set_foreach(struct scan_freq_set *freqs,
scan_freq_set_func_t func, void *user_data)
{
struct channels_5ghz_foreach_data data = { };
uint8_t channel;
uint32_t freq;
for (channel = 1; channel <= 14; channel++)
if (unlikely(!freqs || !func))
return;
data.func = func;
data.user_data = user_data;
l_uintset_foreach(freqs->channels_5ghz, scan_channels_5ghz_frequency,
&data);
if (!freqs->channels_2ghz)
return;
for (channel = 1; channel <= 14; channel++) {
if (freqs->channels_2ghz & (1 << (channel - 1))) {
freq = scan_channel_to_freq(channel, SCAN_BAND_2_4_GHZ);
func(freq, user_data);
}
for (channel = 1; channel <= 200; channel++)
if (l_uintset_contains(freqs->channels_5ghz, channel)) {
freq = scan_channel_to_freq(channel, SCAN_BAND_5_GHZ);
func(freq, user_data);
}
}
}
bool scan_init(struct l_genl_family *in)