1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-O <<
2 /* 1 /*
3 * Copyright (c) 2004 Topspin Corporation. Al 2 * Copyright (c) 2004 Topspin 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.
4 */ 31 */
5 32
6 #ifndef IB_PACK_H 33 #ifndef IB_PACK_H
7 #define IB_PACK_H 34 #define IB_PACK_H
8 35
9 #include <rdma/ib_verbs.h> 36 #include <rdma/ib_verbs.h>
10 #include <uapi/linux/if_ether.h> 37 #include <uapi/linux/if_ether.h>
11 38
12 enum { 39 enum {
13 IB_LRH_BYTES = 8, 40 IB_LRH_BYTES = 8,
14 IB_ETH_BYTES = 14, 41 IB_ETH_BYTES = 14,
15 IB_VLAN_BYTES = 4, 42 IB_VLAN_BYTES = 4,
16 IB_GRH_BYTES = 40, 43 IB_GRH_BYTES = 40,
17 IB_IP4_BYTES = 20, 44 IB_IP4_BYTES = 20,
18 IB_UDP_BYTES = 8, 45 IB_UDP_BYTES = 8,
19 IB_BTH_BYTES = 12, 46 IB_BTH_BYTES = 12,
20 IB_DETH_BYTES = 8, 47 IB_DETH_BYTES = 8,
21 IB_EXT_ATOMICETH_BYTES = 28, 48 IB_EXT_ATOMICETH_BYTES = 28,
22 IB_EXT_XRC_BYTES = 4, 49 IB_EXT_XRC_BYTES = 4,
23 IB_ICRC_BYTES = 4 50 IB_ICRC_BYTES = 4
24 }; 51 };
25 52
26 struct ib_field { 53 struct ib_field {
27 size_t struct_offset_bytes; 54 size_t struct_offset_bytes;
28 size_t struct_size_bytes; 55 size_t struct_size_bytes;
29 int offset_words; 56 int offset_words;
30 int offset_bits; 57 int offset_bits;
31 int size_bits; 58 int size_bits;
32 char *field_name; 59 char *field_name;
33 }; 60 };
34 61
35 #define RESERVED \ 62 #define RESERVED \
36 .field_name = "reserved" 63 .field_name = "reserved"
37 64
38 /* 65 /*
39 * This macro cleans up the definitions of con 66 * This macro cleans up the definitions of constants for BTH opcodes.
40 * It is used to define constants such as IB_O 67 * It is used to define constants such as IB_OPCODE_UD_SEND_ONLY,
41 * which becomes IB_OPCODE_UD + IB_OPCODE_SEND 68 * which becomes IB_OPCODE_UD + IB_OPCODE_SEND_ONLY, and this gives
42 * the correct value. 69 * the correct value.
43 * 70 *
44 * In short, user code should use the constant 71 * In short, user code should use the constants defined using the
45 * macro rather than worrying about adding tog 72 * macro rather than worrying about adding together other constants.
46 */ 73 */
47 #define IB_OPCODE(transport, op) \ 74 #define IB_OPCODE(transport, op) \
48 IB_OPCODE_ ## transport ## _ ## op = \ 75 IB_OPCODE_ ## transport ## _ ## op = \
49 IB_OPCODE_ ## transport + IB_O 76 IB_OPCODE_ ## transport + IB_OPCODE_ ## op
50 77
51 enum { 78 enum {
52 /* transport types -- just used to def 79 /* transport types -- just used to define real constants */
53 IB_OPCODE_RC 80 IB_OPCODE_RC = 0x00,
54 IB_OPCODE_UC 81 IB_OPCODE_UC = 0x20,
55 IB_OPCODE_RD 82 IB_OPCODE_RD = 0x40,
56 IB_OPCODE_UD 83 IB_OPCODE_UD = 0x60,
57 /* per IBTA 1.3 vol 1 Table 38, A10.3. 84 /* per IBTA 1.3 vol 1 Table 38, A10.3.2 */
58 IB_OPCODE_CNP 85 IB_OPCODE_CNP = 0x80,
59 /* Manufacturer specific */ 86 /* Manufacturer specific */
60 IB_OPCODE_MSP 87 IB_OPCODE_MSP = 0xe0,
61 88
62 /* operations -- just used to define r 89 /* operations -- just used to define real constants */
63 IB_OPCODE_SEND_FIRST 90 IB_OPCODE_SEND_FIRST = 0x00,
64 IB_OPCODE_SEND_MIDDLE 91 IB_OPCODE_SEND_MIDDLE = 0x01,
65 IB_OPCODE_SEND_LAST 92 IB_OPCODE_SEND_LAST = 0x02,
66 IB_OPCODE_SEND_LAST_WITH_IMMEDIATE 93 IB_OPCODE_SEND_LAST_WITH_IMMEDIATE = 0x03,
67 IB_OPCODE_SEND_ONLY 94 IB_OPCODE_SEND_ONLY = 0x04,
68 IB_OPCODE_SEND_ONLY_WITH_IMMEDIATE 95 IB_OPCODE_SEND_ONLY_WITH_IMMEDIATE = 0x05,
69 IB_OPCODE_RDMA_WRITE_FIRST 96 IB_OPCODE_RDMA_WRITE_FIRST = 0x06,
70 IB_OPCODE_RDMA_WRITE_MIDDLE 97 IB_OPCODE_RDMA_WRITE_MIDDLE = 0x07,
71 IB_OPCODE_RDMA_WRITE_LAST 98 IB_OPCODE_RDMA_WRITE_LAST = 0x08,
72 IB_OPCODE_RDMA_WRITE_LAST_WITH_IMMEDIA 99 IB_OPCODE_RDMA_WRITE_LAST_WITH_IMMEDIATE = 0x09,
73 IB_OPCODE_RDMA_WRITE_ONLY 100 IB_OPCODE_RDMA_WRITE_ONLY = 0x0a,
74 IB_OPCODE_RDMA_WRITE_ONLY_WITH_IMMEDIA 101 IB_OPCODE_RDMA_WRITE_ONLY_WITH_IMMEDIATE = 0x0b,
75 IB_OPCODE_RDMA_READ_REQUEST 102 IB_OPCODE_RDMA_READ_REQUEST = 0x0c,
76 IB_OPCODE_RDMA_READ_RESPONSE_FIRST 103 IB_OPCODE_RDMA_READ_RESPONSE_FIRST = 0x0d,
77 IB_OPCODE_RDMA_READ_RESPONSE_MIDDLE 104 IB_OPCODE_RDMA_READ_RESPONSE_MIDDLE = 0x0e,
78 IB_OPCODE_RDMA_READ_RESPONSE_LAST 105 IB_OPCODE_RDMA_READ_RESPONSE_LAST = 0x0f,
79 IB_OPCODE_RDMA_READ_RESPONSE_ONLY 106 IB_OPCODE_RDMA_READ_RESPONSE_ONLY = 0x10,
80 IB_OPCODE_ACKNOWLEDGE 107 IB_OPCODE_ACKNOWLEDGE = 0x11,
81 IB_OPCODE_ATOMIC_ACKNOWLEDGE 108 IB_OPCODE_ATOMIC_ACKNOWLEDGE = 0x12,
82 IB_OPCODE_COMPARE_SWAP 109 IB_OPCODE_COMPARE_SWAP = 0x13,
83 IB_OPCODE_FETCH_ADD 110 IB_OPCODE_FETCH_ADD = 0x14,
84 /* opcode 0x15 is reserved */ 111 /* opcode 0x15 is reserved */
85 IB_OPCODE_SEND_LAST_WITH_INVALIDATE 112 IB_OPCODE_SEND_LAST_WITH_INVALIDATE = 0x16,
86 IB_OPCODE_SEND_ONLY_WITH_INVALIDATE 113 IB_OPCODE_SEND_ONLY_WITH_INVALIDATE = 0x17,
87 IB_OPCODE_FLUSH <<
88 IB_OPCODE_ATOMIC_WRITE <<
89 114
90 /* real constants follow -- see commen 115 /* real constants follow -- see comment about above IB_OPCODE()
91 macro for more details */ 116 macro for more details */
92 117
93 /* RC */ 118 /* RC */
94 IB_OPCODE(RC, SEND_FIRST), 119 IB_OPCODE(RC, SEND_FIRST),
95 IB_OPCODE(RC, SEND_MIDDLE), 120 IB_OPCODE(RC, SEND_MIDDLE),
96 IB_OPCODE(RC, SEND_LAST), 121 IB_OPCODE(RC, SEND_LAST),
97 IB_OPCODE(RC, SEND_LAST_WITH_IMMEDIATE 122 IB_OPCODE(RC, SEND_LAST_WITH_IMMEDIATE),
98 IB_OPCODE(RC, SEND_ONLY), 123 IB_OPCODE(RC, SEND_ONLY),
99 IB_OPCODE(RC, SEND_ONLY_WITH_IMMEDIATE 124 IB_OPCODE(RC, SEND_ONLY_WITH_IMMEDIATE),
100 IB_OPCODE(RC, RDMA_WRITE_FIRST), 125 IB_OPCODE(RC, RDMA_WRITE_FIRST),
101 IB_OPCODE(RC, RDMA_WRITE_MIDDLE), 126 IB_OPCODE(RC, RDMA_WRITE_MIDDLE),
102 IB_OPCODE(RC, RDMA_WRITE_LAST), 127 IB_OPCODE(RC, RDMA_WRITE_LAST),
103 IB_OPCODE(RC, RDMA_WRITE_LAST_WITH_IMM 128 IB_OPCODE(RC, RDMA_WRITE_LAST_WITH_IMMEDIATE),
104 IB_OPCODE(RC, RDMA_WRITE_ONLY), 129 IB_OPCODE(RC, RDMA_WRITE_ONLY),
105 IB_OPCODE(RC, RDMA_WRITE_ONLY_WITH_IMM 130 IB_OPCODE(RC, RDMA_WRITE_ONLY_WITH_IMMEDIATE),
106 IB_OPCODE(RC, RDMA_READ_REQUEST), 131 IB_OPCODE(RC, RDMA_READ_REQUEST),
107 IB_OPCODE(RC, RDMA_READ_RESPONSE_FIRST 132 IB_OPCODE(RC, RDMA_READ_RESPONSE_FIRST),
108 IB_OPCODE(RC, RDMA_READ_RESPONSE_MIDDL 133 IB_OPCODE(RC, RDMA_READ_RESPONSE_MIDDLE),
109 IB_OPCODE(RC, RDMA_READ_RESPONSE_LAST) 134 IB_OPCODE(RC, RDMA_READ_RESPONSE_LAST),
110 IB_OPCODE(RC, RDMA_READ_RESPONSE_ONLY) 135 IB_OPCODE(RC, RDMA_READ_RESPONSE_ONLY),
111 IB_OPCODE(RC, ACKNOWLEDGE), 136 IB_OPCODE(RC, ACKNOWLEDGE),
112 IB_OPCODE(RC, ATOMIC_ACKNOWLEDGE), 137 IB_OPCODE(RC, ATOMIC_ACKNOWLEDGE),
113 IB_OPCODE(RC, COMPARE_SWAP), 138 IB_OPCODE(RC, COMPARE_SWAP),
114 IB_OPCODE(RC, FETCH_ADD), 139 IB_OPCODE(RC, FETCH_ADD),
115 IB_OPCODE(RC, SEND_LAST_WITH_INVALIDAT 140 IB_OPCODE(RC, SEND_LAST_WITH_INVALIDATE),
116 IB_OPCODE(RC, SEND_ONLY_WITH_INVALIDAT 141 IB_OPCODE(RC, SEND_ONLY_WITH_INVALIDATE),
117 IB_OPCODE(RC, FLUSH), <<
118 IB_OPCODE(RC, ATOMIC_WRITE), <<
119 142
120 /* UC */ 143 /* UC */
121 IB_OPCODE(UC, SEND_FIRST), 144 IB_OPCODE(UC, SEND_FIRST),
122 IB_OPCODE(UC, SEND_MIDDLE), 145 IB_OPCODE(UC, SEND_MIDDLE),
123 IB_OPCODE(UC, SEND_LAST), 146 IB_OPCODE(UC, SEND_LAST),
124 IB_OPCODE(UC, SEND_LAST_WITH_IMMEDIATE 147 IB_OPCODE(UC, SEND_LAST_WITH_IMMEDIATE),
125 IB_OPCODE(UC, SEND_ONLY), 148 IB_OPCODE(UC, SEND_ONLY),
126 IB_OPCODE(UC, SEND_ONLY_WITH_IMMEDIATE 149 IB_OPCODE(UC, SEND_ONLY_WITH_IMMEDIATE),
127 IB_OPCODE(UC, RDMA_WRITE_FIRST), 150 IB_OPCODE(UC, RDMA_WRITE_FIRST),
128 IB_OPCODE(UC, RDMA_WRITE_MIDDLE), 151 IB_OPCODE(UC, RDMA_WRITE_MIDDLE),
129 IB_OPCODE(UC, RDMA_WRITE_LAST), 152 IB_OPCODE(UC, RDMA_WRITE_LAST),
130 IB_OPCODE(UC, RDMA_WRITE_LAST_WITH_IMM 153 IB_OPCODE(UC, RDMA_WRITE_LAST_WITH_IMMEDIATE),
131 IB_OPCODE(UC, RDMA_WRITE_ONLY), 154 IB_OPCODE(UC, RDMA_WRITE_ONLY),
132 IB_OPCODE(UC, RDMA_WRITE_ONLY_WITH_IMM 155 IB_OPCODE(UC, RDMA_WRITE_ONLY_WITH_IMMEDIATE),
133 156
134 /* RD */ 157 /* RD */
135 IB_OPCODE(RD, SEND_FIRST), 158 IB_OPCODE(RD, SEND_FIRST),
136 IB_OPCODE(RD, SEND_MIDDLE), 159 IB_OPCODE(RD, SEND_MIDDLE),
137 IB_OPCODE(RD, SEND_LAST), 160 IB_OPCODE(RD, SEND_LAST),
138 IB_OPCODE(RD, SEND_LAST_WITH_IMMEDIATE 161 IB_OPCODE(RD, SEND_LAST_WITH_IMMEDIATE),
139 IB_OPCODE(RD, SEND_ONLY), 162 IB_OPCODE(RD, SEND_ONLY),
140 IB_OPCODE(RD, SEND_ONLY_WITH_IMMEDIATE 163 IB_OPCODE(RD, SEND_ONLY_WITH_IMMEDIATE),
141 IB_OPCODE(RD, RDMA_WRITE_FIRST), 164 IB_OPCODE(RD, RDMA_WRITE_FIRST),
142 IB_OPCODE(RD, RDMA_WRITE_MIDDLE), 165 IB_OPCODE(RD, RDMA_WRITE_MIDDLE),
143 IB_OPCODE(RD, RDMA_WRITE_LAST), 166 IB_OPCODE(RD, RDMA_WRITE_LAST),
144 IB_OPCODE(RD, RDMA_WRITE_LAST_WITH_IMM 167 IB_OPCODE(RD, RDMA_WRITE_LAST_WITH_IMMEDIATE),
145 IB_OPCODE(RD, RDMA_WRITE_ONLY), 168 IB_OPCODE(RD, RDMA_WRITE_ONLY),
146 IB_OPCODE(RD, RDMA_WRITE_ONLY_WITH_IMM 169 IB_OPCODE(RD, RDMA_WRITE_ONLY_WITH_IMMEDIATE),
147 IB_OPCODE(RD, RDMA_READ_REQUEST), 170 IB_OPCODE(RD, RDMA_READ_REQUEST),
148 IB_OPCODE(RD, RDMA_READ_RESPONSE_FIRST 171 IB_OPCODE(RD, RDMA_READ_RESPONSE_FIRST),
149 IB_OPCODE(RD, RDMA_READ_RESPONSE_MIDDL 172 IB_OPCODE(RD, RDMA_READ_RESPONSE_MIDDLE),
150 IB_OPCODE(RD, RDMA_READ_RESPONSE_LAST) 173 IB_OPCODE(RD, RDMA_READ_RESPONSE_LAST),
151 IB_OPCODE(RD, RDMA_READ_RESPONSE_ONLY) 174 IB_OPCODE(RD, RDMA_READ_RESPONSE_ONLY),
152 IB_OPCODE(RD, ACKNOWLEDGE), 175 IB_OPCODE(RD, ACKNOWLEDGE),
153 IB_OPCODE(RD, ATOMIC_ACKNOWLEDGE), 176 IB_OPCODE(RD, ATOMIC_ACKNOWLEDGE),
154 IB_OPCODE(RD, COMPARE_SWAP), 177 IB_OPCODE(RD, COMPARE_SWAP),
155 IB_OPCODE(RD, FETCH_ADD), 178 IB_OPCODE(RD, FETCH_ADD),
156 IB_OPCODE(RD, FLUSH), <<
157 179
158 /* UD */ 180 /* UD */
159 IB_OPCODE(UD, SEND_ONLY), 181 IB_OPCODE(UD, SEND_ONLY),
160 IB_OPCODE(UD, SEND_ONLY_WITH_IMMEDIATE 182 IB_OPCODE(UD, SEND_ONLY_WITH_IMMEDIATE)
161 }; 183 };
162 184
163 enum { 185 enum {
164 IB_LNH_RAW = 0, 186 IB_LNH_RAW = 0,
165 IB_LNH_IP = 1, 187 IB_LNH_IP = 1,
166 IB_LNH_IBA_LOCAL = 2, 188 IB_LNH_IBA_LOCAL = 2,
167 IB_LNH_IBA_GLOBAL = 3 189 IB_LNH_IBA_GLOBAL = 3
168 }; 190 };
169 191
170 struct ib_unpacked_lrh { 192 struct ib_unpacked_lrh {
171 u8 virtual_lane; 193 u8 virtual_lane;
172 u8 link_version; 194 u8 link_version;
173 u8 service_level; 195 u8 service_level;
174 u8 link_next_header; 196 u8 link_next_header;
175 __be16 destination_lid; 197 __be16 destination_lid;
176 __be16 packet_length; 198 __be16 packet_length;
177 __be16 source_lid; 199 __be16 source_lid;
178 }; 200 };
179 201
180 struct ib_unpacked_grh { 202 struct ib_unpacked_grh {
181 u8 ip_version; 203 u8 ip_version;
182 u8 traffic_class; 204 u8 traffic_class;
183 __be32 flow_label; 205 __be32 flow_label;
184 __be16 payload_length; 206 __be16 payload_length;
185 u8 next_header; 207 u8 next_header;
186 u8 hop_limit; 208 u8 hop_limit;
187 union ib_gid source_gid; 209 union ib_gid source_gid;
188 union ib_gid destination_gid; 210 union ib_gid destination_gid;
189 }; 211 };
190 212
191 struct ib_unpacked_bth { 213 struct ib_unpacked_bth {
192 u8 opcode; 214 u8 opcode;
193 u8 solicited_event; 215 u8 solicited_event;
194 u8 mig_req; 216 u8 mig_req;
195 u8 pad_count; 217 u8 pad_count;
196 u8 transport_header_version; 218 u8 transport_header_version;
197 __be16 pkey; 219 __be16 pkey;
198 __be32 destination_qpn; 220 __be32 destination_qpn;
199 u8 ack_req; 221 u8 ack_req;
200 __be32 psn; 222 __be32 psn;
201 }; 223 };
202 224
203 struct ib_unpacked_deth { 225 struct ib_unpacked_deth {
204 __be32 qkey; 226 __be32 qkey;
205 __be32 source_qpn; 227 __be32 source_qpn;
206 }; 228 };
207 229
208 struct ib_unpacked_eth { 230 struct ib_unpacked_eth {
209 u8 dmac_h[4]; 231 u8 dmac_h[4];
210 u8 dmac_l[2]; 232 u8 dmac_l[2];
211 u8 smac_h[2]; 233 u8 smac_h[2];
212 u8 smac_l[4]; 234 u8 smac_l[4];
213 __be16 type; 235 __be16 type;
214 }; 236 };
215 237
216 struct ib_unpacked_ip4 { 238 struct ib_unpacked_ip4 {
217 u8 ver; 239 u8 ver;
218 u8 hdr_len; 240 u8 hdr_len;
219 u8 tos; 241 u8 tos;
220 __be16 tot_len; 242 __be16 tot_len;
221 __be16 id; 243 __be16 id;
222 __be16 frag_off; 244 __be16 frag_off;
223 u8 ttl; 245 u8 ttl;
224 u8 protocol; 246 u8 protocol;
225 __sum16 check; 247 __sum16 check;
226 __be32 saddr; 248 __be32 saddr;
227 __be32 daddr; 249 __be32 daddr;
228 }; 250 };
229 251
230 struct ib_unpacked_udp { 252 struct ib_unpacked_udp {
231 __be16 sport; 253 __be16 sport;
232 __be16 dport; 254 __be16 dport;
233 __be16 length; 255 __be16 length;
234 __be16 csum; 256 __be16 csum;
235 }; 257 };
236 258
237 struct ib_unpacked_vlan { 259 struct ib_unpacked_vlan {
238 __be16 tag; 260 __be16 tag;
239 __be16 type; 261 __be16 type;
240 }; 262 };
241 263
242 struct ib_ud_header { 264 struct ib_ud_header {
243 int lrh_present; 265 int lrh_present;
244 struct ib_unpacked_lrh lrh; 266 struct ib_unpacked_lrh lrh;
245 int eth_present; 267 int eth_present;
246 struct ib_unpacked_eth eth; 268 struct ib_unpacked_eth eth;
247 int vlan_present; 269 int vlan_present;
248 struct ib_unpacked_vlan vlan; 270 struct ib_unpacked_vlan vlan;
249 int grh_present; 271 int grh_present;
250 struct ib_unpacked_grh grh; 272 struct ib_unpacked_grh grh;
251 int ipv4_present; 273 int ipv4_present;
252 struct ib_unpacked_ip4 ip4; 274 struct ib_unpacked_ip4 ip4;
253 int udp_present; 275 int udp_present;
254 struct ib_unpacked_udp udp; 276 struct ib_unpacked_udp udp;
255 struct ib_unpacked_bth bth; 277 struct ib_unpacked_bth bth;
256 struct ib_unpacked_deth deth; 278 struct ib_unpacked_deth deth;
257 int immediate_pres 279 int immediate_present;
258 __be32 immediate_data 280 __be32 immediate_data;
259 }; 281 };
260 282
261 void ib_pack(const struct ib_field *des 283 void ib_pack(const struct ib_field *desc,
262 int des 284 int desc_len,
263 void *str 285 void *structure,
264 void *buf 286 void *buf);
265 287
266 void ib_unpack(const struct ib_field *d 288 void ib_unpack(const struct ib_field *desc,
267 int d 289 int desc_len,
268 void *b 290 void *buf,
269 void *s 291 void *structure);
270 292
271 __sum16 ib_ud_ip4_csum(struct ib_ud_header *he 293 __sum16 ib_ud_ip4_csum(struct ib_ud_header *header);
272 294
273 int ib_ud_header_init(int pa 295 int ib_ud_header_init(int payload_bytes,
274 int lr 296 int lrh_present,
275 int et 297 int eth_present,
276 int vl 298 int vlan_present,
277 int gr 299 int grh_present,
278 int ip 300 int ip_version,
279 int ud 301 int udp_present,
280 int im 302 int immediate_present,
281 struct ib_ud_header *hea 303 struct ib_ud_header *header);
282 304
283 int ib_ud_header_pack(struct ib_ud_header *hea 305 int ib_ud_header_pack(struct ib_ud_header *header,
284 void *buf 306 void *buf);
285 307
286 int ib_ud_header_unpack(void *b 308 int ib_ud_header_unpack(void *buf,
287 struct ib_ud_header *h 309 struct ib_ud_header *header);
288 310
289 #endif /* IB_PACK_H */ 311 #endif /* IB_PACK_H */
290 312
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