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qcacmn: Prevent ML peer creation with duplicate MLD address

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This change searches for ML Peer across all MLDs, if ML peer
is found in other MLDs, it will reject MLO peer creation
and rejects association

Change-Id: Ifcb150615d840f536d92734e2ef4f86080f5bb6b
CRs-Fixed: 3425900
This commit is contained in:
Srinivas Pitla
2022-04-04 15:20:26 -07:00
committed by Madan Koyyalamudi
orang tua 391bbecfcc
melakukan 68a9eec276
2 mengubah file dengan 21 tambahan dan 1 penghapusan
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3
umac/mlo_mgr/src/wlan_mlo_mgr_ap.c
Melihat File

@@ -456,7 +456,8 @@ void mlo_ap_ml_peerid_free(uint16_t mlo_peer_id)
return;
}
if (mlo_peer_id > mlo_ctx->max_mlo_peer_id) {
if ((mlo_peer_id > mlo_ctx->max_mlo_peer_id) ||
(mlo_peer_id > MAX_MLO_PEER_ID)) {
mlo_err(" ML peer id %d is invalid", mlo_peer_id);
QDF_BUG(0);
return;

19
umac/mlo_mgr/src/wlan_mlo_mgr_peer.c
Melihat File

@@ -1173,6 +1173,25 @@ QDF_STATUS wlan_mlo_peer_create(struct wlan_objmgr_vdev *vdev,
if ((wlan_vdev_mlme_get_opmode(vdev) == QDF_SAP_MODE) ||
((wlan_vdev_mlme_get_opmode(vdev) == QDF_STA_MODE) &&
!is_ml_peer_attached)) {
/* Reject creation for AP mode, If ML peer is present with
* MLD MAC address, For PSTA case, all MLD STAs are connected
* to same MLD AP, it can have duplicate MLD address entries
* for STA MLDs
*/
if ((wlan_vdev_mlme_get_opmode(vdev) == QDF_SAP_MODE) &&
mlo_mgr_ml_peer_exist_on_diff_ml_ctx(&link_peer->mldaddr[0],
NULL)) {
mlo_reset_link_peer(ml_peer, link_peer);
mlo_peer_free(ml_peer);
mlo_dev_release_link_vdevs(link_vdevs);
wlan_objmgr_peer_release_ref(link_peer,
WLAN_MLO_MGR_ID);
mlo_err("MLD ID %d ML Peer " QDF_MAC_ADDR_FMT " is exists, creation failed",
ml_dev->mld_id,
QDF_MAC_ADDR_REF(ml_peer->peer_mld_addr.bytes));
return QDF_STATUS_E_EXISTS;
}
/* Attach MLO peer to ML Peer table */
status = mlo_dev_mlpeer_attach(ml_dev, ml_peer);
if (status != QDF_STATUS_SUCCESS) {