1 /* This file is part of the Emulex RoCE Device Driver for
2 * RoCE (RDMA over Converged Ethernet) adapters.
3 * Copyright (C) 2012-2015 Emulex. All rights reserved.
4 * EMULEX and SLI are trademarks of Emulex.
5 * www.emulex.com
6 *
7 * This software is available to you under a choice of one of two licenses.
8 * You may choose to be licensed under the terms of the GNU General Public
9 * License (GPL) Version 2, available from the file COPYING in the main
10 * directory of this source tree, or the BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 *
16 * - Redistributions of source code must retain the above copyright notice,
17 * this list of conditions and the following disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in
21 * the documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 * Contact Information:
36 * linux-drivers@emulex.com
37 *
38 * Emulex
39 * 3333 Susan Street
40 * Costa Mesa, CA 92626
41 */
42
43 #ifndef __OCRDMA_AH_H__
44 #define __OCRDMA_AH_H__
45
46 enum {
47 OCRDMA_AH_ID_MASK = 0x3FF,
48 OCRDMA_AH_VLAN_VALID_MASK = 0x01,
49 OCRDMA_AH_VLAN_VALID_SHIFT = 0x1F,
50 OCRDMA_AH_L3_TYPE_MASK = 0x03,
51 OCRDMA_AH_L3_TYPE_SHIFT = 0x1D /* 29 bits */
52 };
53
54 int ocrdma_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
55 struct ib_udata *udata);
56 void ocrdma_destroy_ah(struct ib_ah *ah, u32 flags);
57 int ocrdma_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
58
59 int ocrdma_process_mad(struct ib_device *,
60 int process_mad_flags,
61 u8 port_num,
62 const struct ib_wc *in_wc,
63 const struct ib_grh *in_grh,
64 const struct ib_mad_hdr *in, size_t in_mad_size,
65 struct ib_mad_hdr *out, size_t *out_mad_size,
66 u16 *out_mad_pkey_index);
67 #endif /* __OCRDMA_AH_H__ */