@@ -911,6 +919,18 @@ static void mcmr_rcv_leave_mgrp(IN osm_sa_t * sa, IN osm_madw_t * p_madw)
mcmember_rec = *p_recvd_mcmember_rec;
+ /* Validate the subnet prefix in the PortGID */
+ if (p_recvd_mcmember_rec->port_gid.unicast.prefix !=
+ sa->p_subn->opt.subnet_prefix) {
+ OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
+ "PortGID subnet prefix 0x%" PRIx64
+ " does not match configured prefix 0x%" PRIx64 "\n",
+ cl_ntoh64(p_recvd_mcmember_rec->port_gid.unicast.prefix),
+ cl_ntoh64(sa->p_subn->opt.subnet_prefix));
+ osm_sa_send_error(sa, p_madw, IB_SA_MAD_STATUS_INVALID_GID);
+ goto Exit;
+ }
+
if (OSM_LOG_IS_ACTIVE_V2(sa->p_log, OSM_LOG_DEBUG)) {
osm_physp_t *p_req_physp;
@@ -998,6 +1018,18 @@ static void mcmr_rcv_join_mgrp(IN osm_sa_t * sa, IN osm_madw_t * p_madw)
mcmember_rec = *p_recvd_mcmember_rec;
+ /* Validate the subnet prefix in the PortGID */
+ if (p_recvd_mcmember_rec->port_gid.unicast.prefix !=
+ sa->p_subn->opt.subnet_prefix) {
+ OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
+ "PortGID subnet prefix 0x%" PRIx64
+ " does not match configured prefix 0x%" PRIx64 "\n",
+ cl_ntoh64(p_recvd_mcmember_rec->port_gid.unicast.prefix),
+ cl_ntoh64(sa->p_subn->opt.subnet_prefix));
+ osm_sa_send_error(sa, p_madw, IB_SA_MAD_STATUS_INVALID_GID);
+ goto Exit;
+ }
+
if (OSM_LOG_IS_ACTIVE_V2(sa->p_log, OSM_LOG_DEBUG)) {
osm_physp_t *p_req_physp;
Signed-off-by: Hal Rosenstock <hal@mellanox.com> --- -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html