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ACS: Handle ACS channel selected event in specified link

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When ACS offloaded to the driver, the channel selected event carries
link id to specify the link if operating as AP MLD.

Find the specified link to handle this event.

Signed-off-by: Chenming Huang <quic_chenhuan@quicinc.com>
This commit is contained in:
Chenming Huang 2023-07-29 08:21:03 +05:30 committed by Jouni Malinen
parent 0e91a86ec5
commit e650fa4d79
3 changed files with 25 additions and 3 deletions
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12
src/ap/drv_callbacks.c
View file

@ -1278,6 +1278,18 @@ void hostapd_acs_channel_selected(struct hostapd_data *hapd,
int err = 0;
struct hostapd_channel_data *pri_chan;
#ifdef CONFIG_IEEE80211BE
if (acs_res->link_id != -1) {
hapd = hostapd_mld_get_link_bss(hapd, acs_res->link_id);
if (!hapd) {
wpa_printf(MSG_ERROR,
"MLD: Failed to get link BSS for EVENT_ACS_CHANNEL_SELECTED link_id=%d",
acs_res->link_id);
return;
}
}
#endif /* CONFIG_IEEE80211BE */
if (hapd->iconf->channel) {
wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
hapd->iconf->channel);

5
src/drivers/driver.h
View file

@ -6618,7 +6618,9 @@ union wpa_event_data {
* @ch_width: Selected Channel width by driver. Driver may choose to
* change hostapd configured ACS channel width due driver internal
* channel restrictions.
* hw_mode: Selected band (used with hw_mode=any)
* @hw_mode: Selected band (used with hw_mode=any)
* @puncture_bitmap: Indicate the puncturing channels
* @link_id: Indicate the link id if operating as AP MLD; -1 otherwise
*/
struct acs_selected_channels {
unsigned int pri_freq;
@ -6629,6 +6631,7 @@ union wpa_event_data {
u16 ch_width;
enum hostapd_hw_mode hw_mode;
u16 puncture_bitmap;
int link_id;
} acs_selected_channels;
/**

11
src/drivers/driver_nl80211_event.c
View file

@ -2737,8 +2737,14 @@ static void qca_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv,
if (tb[QCA_WLAN_VENDOR_ATTR_ACS_PUNCTURE_BITMAP])
event.acs_selected_channels.puncture_bitmap =
nla_get_u16(tb[QCA_WLAN_VENDOR_ATTR_ACS_PUNCTURE_BITMAP]);
if (tb[QCA_WLAN_VENDOR_ATTR_ACS_LINK_ID])
event.acs_selected_channels.link_id =
nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_LINK_ID]);
else
event.acs_selected_channels.link_id = -1;
wpa_printf(MSG_INFO,
"nl80211: ACS Results: PFreq: %d SFreq: %d BW: %d VHT0: %d VHT1: %d HW_MODE: %d EDMGCH: %d PUNCBITMAP: 0x%x",
"nl80211: ACS Results: PFreq: %d SFreq: %d BW: %d VHT0: %d VHT1: %d HW_MODE: %d EDMGCH: %d PUNCBITMAP: 0x%x, LinkId: %d",
event.acs_selected_channels.pri_freq,
event.acs_selected_channels.sec_freq,
event.acs_selected_channels.ch_width,
@ -2746,7 +2752,8 @@ static void qca_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv,
event.acs_selected_channels.vht_seg1_center_ch,
event.acs_selected_channels.hw_mode,
event.acs_selected_channels.edmg_channel,
event.acs_selected_channels.puncture_bitmap);
event.acs_selected_channels.puncture_bitmap,
event.acs_selected_channels.link_id);
/* Ignore ACS channel list check for backwards compatibility */