FT: Check mobility domain when sending RRB message to local managed BSS

Fast BSS Transition requires related APs operating in the same mobility
domain. Therefore, we can check whether the local managed BSS is
operating the same mobility domain before sending multicast/unicast
messages to it. This reduces unnecessary load from having to allocate
queued messages for interfaces that cannot have valid data.

Signed-off-by: Jinglin Wang <bryanwang@synology.com>
Signed-off-by: MinHong Wang <minhongw@synology.com>

diff --git a/src/ap/wpa_auth_glue.c b/src/ap/wpa_auth_glue.c
index 5d207e3f83e1e02744f489deaacdc2a438aabe20..11bfbab4556322788c97a4007c861958c197504c 100644 (file)
--- a/src/ap/wpa_auth_glue.c
+++ b/src/ap/wpa_auth_glue.c
@@ -725,6 +725,10 @@ static int hostapd_wpa_auth_oui_iter(struct hostapd_iface *iface, void *ctx)
                hapd = iface->bss[j];
                if (hapd == idata->src_hapd)
                        continue;
+               if (os_memcmp(hapd->conf->mobility_domain,
+                             idata->src_hapd->conf->mobility_domain,
+                             MOBILITY_DOMAIN_ID_LEN) != 0)
+                       continue;
                if (!is_multicast_ether_addr(idata->dst_addr) &&
                    os_memcmp(hapd->own_addr, idata->dst_addr, ETH_ALEN) != 0)
                        continue;