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EHT: Validate the puncturing bitmap for ACS

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Validate the generated puncturing bitmap against non-OFDMA patterns.

Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
This commit is contained in:
Aloka Dixit 2023-03-13 21:59:25 -07:00 committed by Jouni Malinen
parent af0f60e7dd
commit a0403c0239
1 changed files with 8 additions and 1 deletions
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9
src/ap/acs.c
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@ -722,7 +722,7 @@ static void acs_update_puncturing_bitmap(struct hostapd_iface *iface,
int index_primary)
{
struct hostapd_config *conf = iface->conf;
struct hostapd_channel_data *adj_chan = NULL;
struct hostapd_channel_data *adj_chan = NULL, *first_chan = chan;
int i;
long double threshold;
@ -754,9 +754,16 @@ static void acs_update_puncturing_bitmap(struct hostapd_iface *iface,
return;
}
if (i == 0)
first_chan = adj_chan;
if (adj_chan->interference_factor > threshold)
chan->punct_bitmap |= BIT(i);
}
if (!is_punct_bitmap_valid(bw, (chan->freq - first_chan->freq) / 20,
chan->punct_bitmap))
chan->punct_bitmap = 0;
}
#endif /* CONFIG_IEEE80211BE */