jeltz/hostap
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Convert channel to frequency based selection for AP mode ACS

Browse source 
Convert channel based selection to frequency based selection for AP mode
ACS to accommodate for the 6 GHz band needs.

Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
This commit is contained in:
Pradeep Kumar Chitrapu 2021-04-22 13:01:01 -07:00 committed by Jouni Malinen
parent 15742566fd
commit bef5eee4f7
1 changed files with 17 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

33
src/ap/acs.c
View file

@ -372,40 +372,40 @@ acs_survey_chan_interference_factor(struct hostapd_iface *iface,
}
static int acs_usable_ht40_chan(const struct hostapd_channel_data *chan)
static int acs_usable_bw40_chan(const struct hostapd_channel_data *chan)
{
const int allowed[] = { 36, 44, 52, 60, 100, 108, 116, 124, 132, 149,
157, 184, 192 };
const int allowed[] = { 5180, 5220, 5260, 5300, 5500, 5540, 5580, 5620,
5660, 5745, 5785, 4920, 4960 };
unsigned int i;
for (i = 0; i < ARRAY_SIZE(allowed); i++)
if (chan->chan == allowed[i])
if (chan->freq == allowed[i])
return 1;
return 0;
}
static int acs_usable_vht80_chan(const struct hostapd_channel_data *chan)
static int acs_usable_bw80_chan(const struct hostapd_channel_data *chan)
{
const int allowed[] = { 36, 52, 100, 116, 132, 149 };
const int allowed[] = { 5180, 5260, 5550, 5580, 5660, 5745 };
unsigned int i;
for (i = 0; i < ARRAY_SIZE(allowed); i++)
if (chan->chan == allowed[i])
if (chan->freq == allowed[i])
return 1;
return 0;
}
static int acs_usable_vht160_chan(const struct hostapd_channel_data *chan)
static int acs_usable_bw160_chan(const struct hostapd_channel_data *chan)
{
const int allowed[] = { 36, 100 };
const int allowed[] = { 5180, 5500 };
unsigned int i;
for (i = 0; i < ARRAY_SIZE(allowed); i++)
if (chan->chan == allowed[i])
if (chan->freq == allowed[i])
return 1;
return 0;
@ -680,8 +680,9 @@ acs_find_ideal_chan_mode(struct hostapd_iface *iface,
if (mode->mode == HOSTAPD_MODE_IEEE80211A &&
iface->conf->ieee80211n &&
iface->conf->secondary_channel &&
!acs_usable_ht40_chan(chan)) {
wpa_printf(MSG_DEBUG, "ACS: Channel %d: not allowed as primary channel for HT40",
!acs_usable_bw40_chan(chan)) {
wpa_printf(MSG_DEBUG,
"ACS: Channel %d: not allowed as primary channel for 40 MHz bandwidth",
chan->chan);
continue;
}
@ -690,18 +691,18 @@ acs_find_ideal_chan_mode(struct hostapd_iface *iface,
(iface->conf->ieee80211ac || iface->conf->ieee80211ax)) {
if (hostapd_get_oper_chwidth(iface->conf) ==
CHANWIDTH_80MHZ &&
!acs_usable_vht80_chan(chan)) {
!acs_usable_bw80_chan(chan)) {
wpa_printf(MSG_DEBUG,
"ACS: Channel %d: not allowed as primary channel for VHT80",
"ACS: Channel %d: not allowed as primary channel for 80 MHz bandwidth",
chan->chan);
continue;
}
if (hostapd_get_oper_chwidth(iface->conf) ==
CHANWIDTH_160MHZ &&
!acs_usable_vht160_chan(chan)) {
!acs_usable_bw160_chan(chan)) {
wpa_printf(MSG_DEBUG,
"ACS: Channel %d: not allowed as primary channel for VHT160",
"ACS: Channel %d: not allowed as primary channel for 160 MHz bandwidth",
chan->chan);
continue;
}