diff --git a/wpa_supplicant/sme.c b/wpa_supplicant/sme.c index 4448a8d3c..adb0ee46a 100644 --- a/wpa_supplicant/sme.c +++ b/wpa_supplicant/sme.c @@ -378,6 +378,57 @@ static void sme_auth_handle_rrm(struct wpa_supplicant *wpa_s, } +static void wpas_process_tbtt_info(struct wpa_supplicant *wpa_s, const u8 *data) +{ + struct wpa_bss *neigh_bss; + const u8 *bssid; + u8 link_id; + + /* TBTT Information field + * Neighbor AP TBTT Offset[1] + * BSSID[6] + * Short SSID[4] + * BSS parameters[1] + * 20 MHz PSD[1] + * MLD Parameters[3] + * B0..B7: AP MLD ID + * B7..B11: Link ID + * B12..B19: BSS Parameters Change Count + * B20: All Updates Included + * B21: Disabled Link Indication */ + + bssid = data + 1; + + data += 13; /* MLD Parameters */ + link_id = *(data + 1) & 0xF; + + wpa_printf(MSG_DEBUG, "MLD: mld ID=%u, link ID=%u", + *data, link_id); + + if (*data) { + wpa_printf(MSG_DEBUG, "MLD: Reported link not part of MLD"); + return; + } + + neigh_bss = wpa_bss_get_bssid(wpa_s, bssid); + if (!neigh_bss) { + wpa_printf(MSG_DEBUG, "MLD: Neighbor not found in scan"); + return; + } + + if (!wpa_scan_res_match(wpa_s, 0, neigh_bss, wpa_s->current_ssid, + 1, 0)) { + wpa_printf(MSG_DEBUG, + "MLD: Neighbor doesn't match current SSID - skip link"); + return; + } + + wpa_s->valid_links |= BIT(link_id); + os_memcpy(wpa_s->links[link_id].bssid, bssid, ETH_ALEN); + wpa_s->links[link_id].freq = neigh_bss->freq; +} + + static void wpas_process_rnr(struct wpa_supplicant *wpa_s, const u8 *pos, size_t rnr_ie_len) { @@ -400,37 +451,7 @@ static void wpas_process_rnr(struct wpa_supplicant *wpa_s, const u8 *pos, continue; } - data += 13; - - wpa_printf(MSG_DEBUG, "MLD: mld ID=%u, link ID=%u", - *data, *(data + 1) & 0xF); - - if (*data) { - wpa_printf(MSG_DEBUG, - "MLD: Reported link not part of MLD"); - } else { - struct wpa_bss *neigh_bss = - wpa_bss_get_bssid(wpa_s, ap_info->data + 1); - u8 link_id = *(data + 1) & 0xF; - - if (neigh_bss) { - if (wpa_scan_res_match(wpa_s, 0, neigh_bss, - wpa_s->current_ssid, - 1, 0)) { - wpa_s->valid_links |= BIT(link_id); - os_memcpy(wpa_s->links[link_id].bssid, - ap_info->data + 1, ETH_ALEN); - wpa_s->links[link_id].freq = - neigh_bss->freq; - } else { - wpa_printf(MSG_DEBUG, - "MLD: Neighbor doesn't match current SSID - skip link"); - } - } else { - wpa_printf(MSG_DEBUG, - "MLD: Neighbor not found in scan"); - } - } + wpas_process_tbtt_info(wpa_s, data); rnr_ie_len -= len; pos += len;