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EHT: Configuration option for ACS puncturing threshold

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Add a new option 'punct_acs_threshold' where the value indicates
the percentage of ideal channel average interference factor above
which a channel should be punctured. Default is set to 0 which disables
the puncturing for ACS.

Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
This commit is contained in:
Aloka Dixit 2023-03-13 21:59:23 -07:00 • committed by Jouni Malinen
parent e3621867c5
commit f3206fbe94
3 changed files with 17 additions and 0 deletions
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10
hostapd/config_file.c
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@ -4760,6 +4760,16 @@ static int hostapd_config_fill(struct hostapd_config *conf,
conf->eht_phy_capab.mu_beamformer = atoi(pos); conf->eht_phy_capab.mu_beamformer = atoi(pos);
} else if (os_strcmp(buf, "punct_bitmap") == 0) { } else if (os_strcmp(buf, "punct_bitmap") == 0) {
conf->punct_bitmap = atoi(pos); conf->punct_bitmap = atoi(pos);
} else if (os_strcmp(buf, "punct_acs_threshold") == 0) {
int val = atoi(pos);
if (val < 0 || val > 100) {
wpa_printf(MSG_ERROR,
"Line %d: punct_acs_threshold must be between 0 and 100",
line);
return 1;
}
conf->punct_acs_threshold = val;
#endif /* CONFIG_IEEE80211BE */ #endif /* CONFIG_IEEE80211BE */
} else { } else {
wpa_printf(MSG_ERROR, wpa_printf(MSG_ERROR,

6
hostapd/hostapd.conf
View file

@ -1034,6 +1034,12 @@ wmm_ac_vo_acm=0
# value is 0 indicating that all channels are active. # value is 0 indicating that all channels are active.
#punct_bitmap=0 #punct_bitmap=0
# Preamble puncturing threshold in automatic channel selection (ACS).
# The value indicates the percentage of ideal channel average interference
# factor above which a channel should be punctured.
# Default is 0, indicates that ACS algorithm should not puncture any channel.
#punct_acs_threshold=75
##### IEEE 802.1X-2004 related configuration ################################## ##### IEEE 802.1X-2004 related configuration ##################################
# Require IEEE 802.1X authorization # Require IEEE 802.1X authorization

1
src/ap/ap_config.h
View file

@ -1157,6 +1157,7 @@ struct hostapd_config {
u8 eht_oper_centr_freq_seg0_idx; u8 eht_oper_centr_freq_seg0_idx;
struct eht_phy_capabilities_info eht_phy_capab; struct eht_phy_capabilities_info eht_phy_capab;
u16 punct_bitmap; /* a bitmap of disabled 20 MHz channels */ u16 punct_bitmap; /* a bitmap of disabled 20 MHz channels */
u8 punct_acs_threshold;
#endif /* CONFIG_IEEE80211BE */ #endif /* CONFIG_IEEE80211BE */
/* EHT enable/disable config from CHAN_SWITCH */ /* EHT enable/disable config from CHAN_SWITCH */