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Linux kernel mirror (for testing)
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1/*
2 * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
3 * Copyright (c) 2004 Infinicon Corporation. All rights reserved.
4 * Copyright (c) 2004 Intel Corporation. All rights reserved.
5 * Copyright (c) 2004 Topspin Corporation. All rights reserved.
6 * Copyright (c) 2004 Voltaire Corporation. All rights reserved.
7 *
8 * This software is available to you under a choice of one of two
9 * licenses. You may choose to be licensed under the terms of the GNU
10 * General Public License (GPL) Version 2, available from the file
11 * COPYING in the main directory of this source tree, or the
12 * OpenIB.org BSD license below:
13 *
14 * Redistribution and use in source and binary forms, with or
15 * without modification, are permitted provided that the following
16 * conditions are met:
17 *
18 * - Redistributions of source code must retain the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer.
21 *
22 * - Redistributions in binary form must reproduce the above
23 * copyright notice, this list of conditions and the following
24 * disclaimer in the documentation and/or other materials
25 * provided with the distribution.
26 *
27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 * SOFTWARE.
35 *
36 * $Id: smi.h 1389 2004-12-27 22:56:47Z roland $
37 */
38
39#ifndef __SMI_H_
40#define __SMI_H_
41
42int smi_handle_dr_smp_recv(struct ib_smp *smp,
43 u8 node_type,
44 int port_num,
45 int phys_port_cnt);
46extern int smi_check_forward_dr_smp(struct ib_smp *smp);
47extern int smi_handle_dr_smp_send(struct ib_smp *smp,
48 u8 node_type,
49 int port_num);
50extern int smi_check_local_dr_smp(struct ib_smp *smp,
51 struct ib_device *device,
52 int port_num);
53
54/*
55 * Return 1 if the SMP should be handled by the local SMA/SM via process_mad
56 */
57static inline int smi_check_local_smp(struct ib_mad_agent *mad_agent,
58 struct ib_smp *smp)
59{
60 /* C14-9:3 -- We're at the end of the DR segment of path */
61 /* C14-9:4 -- Hop Pointer = Hop Count + 1 -> give to SMA/SM */
62 return ((mad_agent->device->process_mad &&
63 !ib_get_smp_direction(smp) &&
64 (smp->hop_ptr == smp->hop_cnt + 1)));
65}
66
67#endif /* __SMI_H_ */