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SME: Add support for handling association with MLD

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In case both the local driver and the AP support MLD, request an MLD
association from the driver.

When processing the association event from the driver verify that the
multi link information in the (Re)Association Response frame ML element
matches the links on which the association was expected.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
This commit is contained in:
Andrei Otcheretianski 2022-12-06 11:46:07 +02:00 committed by Jouni Malinen
parent 8f89661df5
commit 23039f5e4a
1 changed files with 25 additions and 0 deletions
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25
wpa_supplicant/sme.c
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@ -2431,6 +2431,31 @@ mscs_fail:
else else
params.uapsd = -1; params.uapsd = -1;
if (wpa_s->valid_links) {
unsigned int i;
wpa_printf(MSG_DEBUG,
"MLD: In association. assoc_link_id=%u, valid_links=0x%x",
wpa_s->mlo_assoc_link_id, wpa_s->valid_links);
params.mld_params.mld_addr = wpa_s->ap_mld_addr;
params.mld_params.valid_links = wpa_s->valid_links;
params.mld_params.assoc_link_id = wpa_s->mlo_assoc_link_id;
for (i = 0; i < MAX_NUM_MLD_LINKS; i++) {
if (!(wpa_s->valid_links & BIT(i)))
continue;
params.mld_params.mld_links[i].bssid =
wpa_s->links[i].bssid;
params.mld_params.mld_links[i].freq =
wpa_s->links[i].freq;
wpa_printf(MSG_DEBUG, "MLD: id=%u, freq=%d, " MACSTR,
i, wpa_s->links[i].freq,
MAC2STR(wpa_s->links[i].bssid));
}
}
if (wpa_drv_associate(wpa_s, &params) < 0) { if (wpa_drv_associate(wpa_s, &params) < 0) {
wpa_msg(wpa_s, MSG_INFO, "SME: Association request to the " wpa_msg(wpa_s, MSG_INFO, "SME: Association request to the "
"driver failed"); "driver failed");