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1 | /* |
2 | * Copyright (c) 2014 Intel Corporation. All rights reserved. | |
3 | * | |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | * | |
32 | */ | |
33 | ||
34 | #ifndef __OPA_SMI_H_ | |
35 | #define __OPA_SMI_H_ | |
36 | ||
37 | #include <rdma/ib_smi.h> | |
38 | #include <rdma/opa_smi.h> | |
39 | ||
40 | #include "smi.h" | |
41 | ||
4139032b | 42 | enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, bool is_switch, |
f28990bc IW |
43 | int port_num, int phys_port_cnt); |
44 | int opa_smi_get_fwd_port(struct opa_smp *smp); | |
45 | extern enum smi_forward_action opa_smi_check_forward_dr_smp(struct opa_smp *smp); | |
46 | extern enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp, | |
4139032b | 47 | bool is_switch, int port_num); |
f28990bc IW |
48 | |
49 | /* | |
50 | * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM | |
51 | * via process_mad | |
52 | */ | |
53 | static inline enum smi_action opa_smi_check_local_smp(struct opa_smp *smp, | |
54 | struct ib_device *device) | |
55 | { | |
56 | /* C14-9:3 -- We're at the end of the DR segment of path */ | |
57 | /* C14-9:4 -- Hop Pointer = Hop Count + 1 -> give to SMA/SM */ | |
58 | return (device->process_mad && | |
59 | !opa_get_smp_direction(smp) && | |
60 | (smp->hop_ptr == smp->hop_cnt + 1)) ? | |
61 | IB_SMI_HANDLE : IB_SMI_DISCARD; | |
62 | } | |
63 | ||
64 | /* | |
65 | * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM | |
66 | * via process_mad | |
67 | */ | |
68 | static inline enum smi_action opa_smi_check_local_returning_smp(struct opa_smp *smp, | |
69 | struct ib_device *device) | |
70 | { | |
71 | /* C14-13:3 -- We're at the end of the DR segment of path */ | |
72 | /* C14-13:4 -- Hop Pointer == 0 -> give to SM */ | |
73 | return (device->process_mad && | |
74 | opa_get_smp_direction(smp) && | |
75 | !smp->hop_ptr) ? IB_SMI_HANDLE : IB_SMI_DISCARD; | |
76 | } | |
77 | ||
78 | #endif /* __OPA_SMI_H_ */ |