Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
[firefly-linux-kernel-4.4.55.git] / drivers / infiniband / hw / ocrdma / ocrdma_ah.c
index 5f8a8dd423fc6eac921cb02d400e249629a917bf..4bafa15708d0fc4212587cb4dfd6fce7d3f3211b 100644 (file)
@@ -56,7 +56,13 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
        vlan_tag = attr->vlan_id;
        if (!vlan_tag || (vlan_tag > 0xFFF))
                vlan_tag = dev->pvid;
-       if (vlan_tag && (vlan_tag < 0x1000)) {
+       if (vlan_tag || dev->pfc_state) {
+               if (!vlan_tag) {
+                       pr_err("ocrdma%d:Using VLAN with PFC is recommended\n",
+                               dev->id);
+                       pr_err("ocrdma%d:Using VLAN 0 for this connection\n",
+                               dev->id);
+               }
                eth.eth_type = cpu_to_be16(0x8100);
                eth.roce_eth_type = cpu_to_be16(OCRDMA_ROCE_ETH_TYPE);
                vlan_tag |= (dev->sl & 0x07) << OCRDMA_VID_PCP_SHIFT;
@@ -121,7 +127,9 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr)
                goto av_conf_err;
        }
 
-       if (pd->uctx) {
+       if ((pd->uctx) &&
+           (!rdma_is_multicast_addr((struct in6_addr *)attr->grh.dgid.raw)) &&
+           (!rdma_link_local_addr((struct in6_addr *)attr->grh.dgid.raw))) {
                status = rdma_addr_find_dmac_by_grh(&sgid, &attr->grh.dgid,
                                         attr->dmac, &attr->vlan_id);
                if (status) {