infiniband/core/ib_verbs.c

341 struct ib_ah *ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
345 	ah = pd->device->create_ah(pd, ah_attr, NULL);
492 		       struct ib_ah_attr *ah_attr)
503 	memset(ah_attr, 0, sizeof *ah_attr);
536 		ret = rdma_addr_find_l2_eth_by_grh(&dgid, &sgid, ah_attr->dmac,
544 	ah_attr->dlid = wc->slid;
545 	ah_attr->sl = wc->sl;
546 	ah_attr->src_path_bits = wc->dlid_path_bits;
547 	ah_attr->port_num = port_num;
550 		ah_attr->ah_flags = IB_AH_GRH;
551 		ah_attr->grh.dgid = sgid;
564 		ah_attr->grh.sgid_index = (u8) gid_index;
566 		ah_attr->grh.flow_label = flow_class & 0xFFFFF;
567 		ah_attr->grh.hop_limit = hoplimit;
568 		ah_attr->grh.traffic_class = (flow_class >> 20) & 0xFF;
577 	struct ib_ah_attr ah_attr;
580 	ret = ib_init_ah_from_wc(pd->device, port_num, wc, grh, &ah_attr);
584 	return ib_create_ah(pd, &ah_attr);
588 int ib_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr)
591 		ah->device->modify_ah(ah, ah_attr) :
596 int ib_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr)
599 		ah->device->query_ah(ah, ah_attr) :
1194 			struct ib_ah_attr *ah_attr)
1201 	if (ah_attr->port_num < rdma_start_port(device) ||
1202 	    ah_attr->port_num > rdma_end_port(device))
1205 	if (!rdma_cap_eth_ah(device, ah_attr->port_num))
1208 	if (rdma_is_multicast_addr((struct in6_addr *)ah_attr->grh.dgid.raw)) {
1209 		if (ipv6_addr_v4mapped((struct in6_addr *)ah_attr->grh.dgid.raw)) {
1212 			memcpy(&addr, ah_attr->grh.dgid.raw + 12, 4);
1213 			ip_eth_mc_map(addr, (char *)ah_attr->dmac);
1215 			ipv6_eth_mc_map((struct in6_addr *)ah_attr->grh.dgid.raw,
1216 					(char *)ah_attr->dmac);
1222 			   ah_attr->port_num,
1223 			   ah_attr->grh.sgid_index,
1231 					   &ah_attr->grh.dgid,
1232 					   ah_attr->dmac,
1236 	ah_attr->grh.hop_limit = hop_limit;
1249 		ret = ib_resolve_eth_dmac(qp->device, &qp_attr->ah_attr);