2 * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
3 * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
37 int rxe_av_chk_attr(struct rxe_dev *rxe, struct ib_ah_attr *attr)
39 struct rxe_port *port;
41 if (attr->port_num != 1) {
42 pr_info("invalid port_num = %d\n", attr->port_num);
48 if (attr->ah_flags & IB_AH_GRH) {
49 if (attr->grh.sgid_index > port->attr.gid_tbl_len) {
50 pr_info("invalid sgid index = %d\n",
51 attr->grh.sgid_index);
59 int rxe_av_from_attr(struct rxe_dev *rxe, u8 port_num,
60 struct rxe_av *av, struct ib_ah_attr *attr)
62 memset(av, 0, sizeof(*av));
63 memcpy(&av->grh, &attr->grh, sizeof(attr->grh));
64 av->port_num = port_num;
68 int rxe_av_to_attr(struct rxe_dev *rxe, struct rxe_av *av,
69 struct ib_ah_attr *attr)
71 memcpy(&attr->grh, &av->grh, sizeof(av->grh));
72 attr->port_num = av->port_num;
76 int rxe_av_fill_ip_info(struct rxe_dev *rxe,
78 struct ib_ah_attr *attr,
79 struct ib_gid_attr *sgid_attr,
82 rdma_gid2ip(&av->sgid_addr._sockaddr, sgid);
83 rdma_gid2ip(&av->dgid_addr._sockaddr, &attr->grh.dgid);
84 av->network_type = ib_gid_to_network_type(sgid_attr->gid_type, sgid);
89 struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt)
94 if (qp_type(pkt->qp) == IB_QPT_RC || qp_type(pkt->qp) == IB_QPT_UC)
95 return &pkt->qp->pri_av;
97 return (pkt->wqe) ? &pkt->wqe->av : NULL;