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RNR: Allow Probe Response frame for a colocated 6 GHz AP

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When a Probe Request frame from a station includes an SSID matching that
of a co-located 6 GHz AP, AP should respond with a Probe Response frame
that includes Reduced Neighbor Report element containing information
regarding the requested BSS.

Signed-off-by: Muna Sinada <msinada@codeaurora.org>
Signed-off-by: Aloka Dixit <alokad@codeaurora.org>
This commit is contained in:
Muna Sinada 2021-07-27 16:42:25 -07:00 committed by Jouni Malinen
parent f17f7ca4e0
commit 15f099ec70
1 changed files with 31 additions and 2 deletions
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33
src/ap/beacon.c
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@ -644,7 +644,8 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
enum ssid_match_result {
NO_SSID_MATCH,
EXACT_SSID_MATCH,
WILDCARD_SSID_MATCH
WILDCARD_SSID_MATCH,
CO_LOCATED_SSID_MATCH,
};
static enum ssid_match_result ssid_match(struct hostapd_data *hapd,
@ -655,7 +656,9 @@ static enum ssid_match_result ssid_match(struct hostapd_data *hapd,
size_t short_ssid_list_len)
{
const u8 *pos, *end;
struct hostapd_iface *iface = hapd->iface;
int wildcard = 0;
size_t i, j;
if (ssid_len == 0)
wildcard = 1;
@ -689,7 +692,33 @@ static enum ssid_match_result ssid_match(struct hostapd_data *hapd,
}
}
return wildcard ? WILDCARD_SSID_MATCH : NO_SSID_MATCH;
if (wildcard)
return WILDCARD_SSID_MATCH;
if (!iface->interfaces || iface->interfaces->count <= 1 ||
is_6ghz_op_class(hapd->iconf->op_class))
return NO_SSID_MATCH;
for (i = 0; i < iface->interfaces->count; i++) {
struct hostapd_iface *colocated;
colocated = iface->interfaces->iface[i];
if (colocated == iface ||
!is_6ghz_op_class(colocated->conf->op_class))
continue;
for (j = 0; j < colocated->num_bss; j++) {
struct hostapd_bss_config *conf;
conf = colocated->bss[j]->conf;
if (ssid_len == conf->ssid.ssid_len &&
os_memcmp(ssid, conf->ssid.ssid, ssid_len) == 0)
return CO_LOCATED_SSID_MATCH;
}
}
return NO_SSID_MATCH;
}