1 /*
2 * Copyright (c) 2004, 2005 Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 *
34 */
35
36 #ifndef _OSMV_SVC_H_
37 #define _OSMV_SVC_H_
38
39 #include <stdlib.h>
40 #include <string.h>
41 #include <iba/ib_types.h>
42 #include <vendor/osm_vendor_mlx_defs.h>
43
44 #ifdef __cplusplus
45 # define BEGIN_C_DECLS extern "C" {
46 # define END_C_DECLS }
47 #else /* !__cplusplus */
48 # define BEGIN_C_DECLS
49 # define END_C_DECLS
50 #endif /* __cplusplus */
51
52 BEGIN_C_DECLS
osmv_mad_is_response(IN const ib_mad_t * p_mad)53 inline static boolean_t osmv_mad_is_response(IN const ib_mad_t * p_mad)
54 {
55 return (ib_mad_is_response(p_mad) ||
56 (p_mad->method == IB_MAD_METHOD_TRAP_REPRESS));
57 }
58
osmv_invert_method(IN uint8_t req_method)59 inline static uint8_t osmv_invert_method(IN uint8_t req_method)
60 {
61 switch (req_method) {
62 case IB_MAD_METHOD_GET_RESP:
63 /* Not a 1-1 mapping! */
64 return IB_MAD_METHOD_GET;
65
66 case IB_MAD_METHOD_GET:
67 return IB_MAD_METHOD_GET_RESP;
68
69 case IB_MAD_METHOD_SET:
70 return IB_MAD_METHOD_GET_RESP;
71
72 case IB_MAD_METHOD_GETTABLE_RESP:
73 return IB_MAD_METHOD_GETTABLE;
74
75 case IB_MAD_METHOD_GETTABLE:
76 return IB_MAD_METHOD_GETTABLE_RESP;
77
78 case IB_MAD_METHOD_GETMULTI_RESP:
79 /* Not a 1-1 mapping! */
80 return IB_MAD_METHOD_GETMULTI;
81
82 case IB_MAD_METHOD_GETTRACETABLE:
83 case IB_MAD_METHOD_GETMULTI:
84 return IB_MAD_METHOD_GETMULTI_RESP;
85
86 case IB_MAD_METHOD_TRAP:
87 return IB_MAD_METHOD_TRAP_REPRESS;
88
89 case IB_MAD_METHOD_TRAP_REPRESS:
90 return IB_MAD_METHOD_TRAP;
91
92 case IB_MAD_METHOD_REPORT:
93 return IB_MAD_METHOD_REPORT_RESP;
94
95 case IB_MAD_METHOD_REPORT_RESP:
96 return IB_MAD_METHOD_REPORT;
97
98 /* IB_MAD_METHOD_SEND does not have a response */
99 case IB_MAD_METHOD_SEND:
100 return IB_MAD_METHOD_SEND;
101
102 default:
103 CL_ASSERT(FALSE);
104 }
105
106 return 0; /* Just make the compiler happy */
107 }
108
osmv_mad_is_rmpp(IN const ib_mad_t * p_mad)109 inline static boolean_t osmv_mad_is_rmpp(IN const ib_mad_t * p_mad)
110 {
111 uint8_t rmpp_flags;
112 CL_ASSERT(NULL != p_mad);
113
114 rmpp_flags = ((ib_rmpp_mad_t *) p_mad)->rmpp_flags;
115 /* HACK - JUST SA and DevMgt for now - need to add BIS and DevAdm */
116 if ((p_mad->mgmt_class != IB_MCLASS_SUBN_ADM) &&
117 (p_mad->mgmt_class != IB_MCLASS_DEV_MGMT))
118 return (0);
119 return (0 != (rmpp_flags & IB_RMPP_FLAG_ACTIVE));
120 }
121
osmv_mad_is_multi_resp(IN const ib_mad_t * p_mad)122 inline static boolean_t osmv_mad_is_multi_resp(IN const ib_mad_t * p_mad)
123 {
124 CL_ASSERT(NULL != p_mad);
125 return (IB_MAD_METHOD_GETMULTI == p_mad->method
126 || IB_MAD_METHOD_GETTRACETABLE == p_mad->method);
127 }
128
osmv_mad_is_sa(IN const ib_mad_t * p_mad)129 inline static boolean_t osmv_mad_is_sa(IN const ib_mad_t * p_mad)
130 {
131 CL_ASSERT(NULL != p_mad);
132 return (IB_MCLASS_SUBN_ADM == p_mad->mgmt_class);
133 }
134
osmv_rmpp_is_abort_stop(IN const ib_mad_t * p_mad)135 inline static boolean_t osmv_rmpp_is_abort_stop(IN const ib_mad_t * p_mad)
136 {
137 uint8_t rmpp_type;
138 CL_ASSERT(p_mad);
139
140 rmpp_type = ((ib_rmpp_mad_t *) p_mad)->rmpp_type;
141 return (IB_RMPP_TYPE_STOP == rmpp_type
142 || IB_RMPP_TYPE_ABORT == rmpp_type);
143 }
144
osmv_rmpp_is_data(IN const ib_mad_t * p_mad)145 inline static boolean_t osmv_rmpp_is_data(IN const ib_mad_t * p_mad)
146 {
147 CL_ASSERT(p_mad);
148 return (IB_RMPP_TYPE_DATA == ((ib_rmpp_mad_t *) p_mad)->rmpp_type);
149 }
150
osmv_rmpp_is_ack(IN const ib_mad_t * p_mad)151 inline static boolean_t osmv_rmpp_is_ack(IN const ib_mad_t * p_mad)
152 {
153 CL_ASSERT(p_mad);
154 return (IB_RMPP_TYPE_ACK == ((ib_rmpp_mad_t *) p_mad)->rmpp_type);
155 }
156
osmv_rmpp_is_first(IN const ib_mad_t * p_mad)157 inline static boolean_t osmv_rmpp_is_first(IN const ib_mad_t * p_mad)
158 {
159 uint8_t rmpp_flags;
160 CL_ASSERT(NULL != p_mad);
161
162 rmpp_flags = ((ib_rmpp_mad_t *) p_mad)->rmpp_flags;
163 return (0 != (IB_RMPP_FLAG_FIRST & rmpp_flags));
164 }
165
osmv_rmpp_is_last(IN const ib_mad_t * p_mad)166 inline static boolean_t osmv_rmpp_is_last(IN const ib_mad_t * p_mad)
167 {
168 uint8_t rmpp_flags;
169 CL_ASSERT(NULL != p_mad);
170
171 rmpp_flags = ((ib_rmpp_mad_t *) p_mad)->rmpp_flags;
172 return (0 != (IB_RMPP_FLAG_LAST & rmpp_flags));
173 }
174
osmv_mad_copy(IN const ib_mad_t * p_mad)175 inline static uint8_t *osmv_mad_copy(IN const ib_mad_t * p_mad)
176 {
177 uint8_t *p_copy;
178
179 CL_ASSERT(p_mad);
180 p_copy = malloc(MAD_BLOCK_SIZE);
181
182 if (NULL != p_copy) {
183 memset(p_copy, 0, MAD_BLOCK_SIZE);
184 memcpy(p_copy, p_mad, MAD_BLOCK_SIZE);
185 }
186
187 return p_copy;
188 }
189
190 /* Should be passed externally from the Makefile */
191 /* #define OSMV_RANDOM_DROP 1 */
192 #define OSMV_DROP_RATE 0.3
193
osmv_random_drop(void)194 inline static boolean_t osmv_random_drop(void)
195 {
196 srand(1); /* Pick a new base */
197 return (rand() / (double)RAND_MAX < OSMV_DROP_RATE);
198 }
199
200 END_C_DECLS
201 #endif /* _OSMV_SVC_H_ */
202