diff options
Diffstat (limited to 'include/net/tipc')
-rw-r--r-- | include/net/tipc/tipc.h | 255 | ||||
-rw-r--r-- | include/net/tipc/tipc_bearer.h | 92 | ||||
-rw-r--r-- | include/net/tipc/tipc_msg.h | 220 | ||||
-rw-r--r-- | include/net/tipc/tipc_port.h | 105 |
4 files changed, 672 insertions, 0 deletions
diff --git a/include/net/tipc/tipc.h b/include/net/tipc/tipc.h new file mode 100644 index 000000000000..1d4d8d0701e3 --- /dev/null +++ b/include/net/tipc/tipc.h | |||
@@ -0,0 +1,255 @@ | |||
1 | /* | ||
2 | * include/net/tipc/tipc.h: Main include file for TIPC users | ||
3 | * | ||
4 | * Copyright (c) 2003-2005, Ericsson Research Canada | ||
5 | * Copyright (c) 2005, Wind River Systems | ||
6 | * Copyright (c) 2005-2006, Ericsson AB | ||
7 | * All rights reserved. | ||
8 | * | ||
9 | * Redistribution and use in source and binary forms, with or without | ||
10 | * modification, are permitted provided that the following conditions are met: | ||
11 | * | ||
12 | * Redistributions of source code must retain the above copyright notice, this | ||
13 | * list of conditions and the following disclaimer. | ||
14 | * Redistributions in binary form must reproduce the above copyright notice, | ||
15 | * this list of conditions and the following disclaimer in the documentation | ||
16 | * and/or other materials provided with the distribution. | ||
17 | * Neither the names of the copyright holders nor the names of its | ||
18 | * contributors may be used to endorse or promote products derived from this | ||
19 | * software without specific prior written permission. | ||
20 | * | ||
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
25 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
31 | * POSSIBILITY OF SUCH DAMAGE. | ||
32 | */ | ||
33 | |||
34 | #ifndef _NET_TIPC_H_ | ||
35 | #define _NET_TIPC_H_ | ||
36 | |||
37 | #ifdef __KERNEL__ | ||
38 | |||
39 | #include <linux/tipc.h> | ||
40 | #include <linux/skbuff.h> | ||
41 | |||
42 | /* | ||
43 | * Native API | ||
44 | * ---------- | ||
45 | */ | ||
46 | |||
47 | /* | ||
48 | * TIPC operating mode routines | ||
49 | */ | ||
50 | |||
51 | u32 tipc_get_addr(void); | ||
52 | |||
53 | #define TIPC_NOT_RUNNING 0 | ||
54 | #define TIPC_NODE_MODE 1 | ||
55 | #define TIPC_NET_MODE 2 | ||
56 | |||
57 | typedef void (*tipc_mode_event)(void *usr_handle, int mode, u32 addr); | ||
58 | |||
59 | int tipc_attach(unsigned int *userref, tipc_mode_event, void *usr_handle); | ||
60 | |||
61 | void tipc_detach(unsigned int userref); | ||
62 | |||
63 | int tipc_get_mode(void); | ||
64 | |||
65 | /* | ||
66 | * TIPC port manipulation routines | ||
67 | */ | ||
68 | |||
69 | typedef void (*tipc_msg_err_event) (void *usr_handle, | ||
70 | u32 portref, | ||
71 | struct sk_buff **buf, | ||
72 | unsigned char const *data, | ||
73 | unsigned int size, | ||
74 | int reason, | ||
75 | struct tipc_portid const *attmpt_destid); | ||
76 | |||
77 | typedef void (*tipc_named_msg_err_event) (void *usr_handle, | ||
78 | u32 portref, | ||
79 | struct sk_buff **buf, | ||
80 | unsigned char const *data, | ||
81 | unsigned int size, | ||
82 | int reason, | ||
83 | struct tipc_name_seq const *attmpt_dest); | ||
84 | |||
85 | typedef void (*tipc_conn_shutdown_event) (void *usr_handle, | ||
86 | u32 portref, | ||
87 | struct sk_buff **buf, | ||
88 | unsigned char const *data, | ||
89 | unsigned int size, | ||
90 | int reason); | ||
91 | |||
92 | typedef void (*tipc_msg_event) (void *usr_handle, | ||
93 | u32 portref, | ||
94 | struct sk_buff **buf, | ||
95 | unsigned char const *data, | ||
96 | unsigned int size, | ||
97 | unsigned int importance, | ||
98 | struct tipc_portid const *origin); | ||
99 | |||
100 | typedef void (*tipc_named_msg_event) (void *usr_handle, | ||
101 | u32 portref, | ||
102 | struct sk_buff **buf, | ||
103 | unsigned char const *data, | ||
104 | unsigned int size, | ||
105 | unsigned int importance, | ||
106 | struct tipc_portid const *orig, | ||
107 | struct tipc_name_seq const *dest); | ||
108 | |||
109 | typedef void (*tipc_conn_msg_event) (void *usr_handle, | ||
110 | u32 portref, | ||
111 | struct sk_buff **buf, | ||
112 | unsigned char const *data, | ||
113 | unsigned int size); | ||
114 | |||
115 | typedef void (*tipc_continue_event) (void *usr_handle, | ||
116 | u32 portref); | ||
117 | |||
118 | int tipc_createport(unsigned int tipc_user, | ||
119 | void *usr_handle, | ||
120 | unsigned int importance, | ||
121 | tipc_msg_err_event error_cb, | ||
122 | tipc_named_msg_err_event named_error_cb, | ||
123 | tipc_conn_shutdown_event conn_error_cb, | ||
124 | tipc_msg_event message_cb, | ||
125 | tipc_named_msg_event named_message_cb, | ||
126 | tipc_conn_msg_event conn_message_cb, | ||
127 | tipc_continue_event continue_event_cb,/* May be zero */ | ||
128 | u32 *portref); | ||
129 | |||
130 | int tipc_deleteport(u32 portref); | ||
131 | |||
132 | int tipc_ownidentity(u32 portref, struct tipc_portid *port); | ||
133 | |||
134 | int tipc_portimportance(u32 portref, unsigned int *importance); | ||
135 | int tipc_set_portimportance(u32 portref, unsigned int importance); | ||
136 | |||
137 | int tipc_portunreliable(u32 portref, unsigned int *isunreliable); | ||
138 | int tipc_set_portunreliable(u32 portref, unsigned int isunreliable); | ||
139 | |||
140 | int tipc_portunreturnable(u32 portref, unsigned int *isunreturnable); | ||
141 | int tipc_set_portunreturnable(u32 portref, unsigned int isunreturnable); | ||
142 | |||
143 | int tipc_publish(u32 portref, unsigned int scope, | ||
144 | struct tipc_name_seq const *name_seq); | ||
145 | int tipc_withdraw(u32 portref, unsigned int scope, | ||
146 | struct tipc_name_seq const *name_seq); /* 0: all */ | ||
147 | |||
148 | int tipc_connect2port(u32 portref, struct tipc_portid const *port); | ||
149 | |||
150 | int tipc_disconnect(u32 portref); | ||
151 | |||
152 | int tipc_shutdown(u32 ref); /* Sends SHUTDOWN msg */ | ||
153 | |||
154 | int tipc_isconnected(u32 portref, int *isconnected); | ||
155 | |||
156 | int tipc_peer(u32 portref, struct tipc_portid *peer); | ||
157 | |||
158 | int tipc_ref_valid(u32 portref); | ||
159 | |||
160 | /* | ||
161 | * TIPC messaging routines | ||
162 | */ | ||
163 | |||
164 | #define TIPC_PORT_IMPORTANCE 100 /* send using current port setting */ | ||
165 | |||
166 | |||
167 | int tipc_send(u32 portref, | ||
168 | unsigned int num_sect, | ||
169 | struct iovec const *msg_sect); | ||
170 | |||
171 | int tipc_send_buf(u32 portref, | ||
172 | struct sk_buff *buf, | ||
173 | unsigned int dsz); | ||
174 | |||
175 | int tipc_send2name(u32 portref, | ||
176 | struct tipc_name const *name, | ||
177 | u32 domain, /* 0:own zone */ | ||
178 | unsigned int num_sect, | ||
179 | struct iovec const *msg_sect); | ||
180 | |||
181 | int tipc_send_buf2name(u32 portref, | ||
182 | struct tipc_name const *name, | ||
183 | u32 domain, | ||
184 | struct sk_buff *buf, | ||
185 | unsigned int dsz); | ||
186 | |||
187 | int tipc_forward2name(u32 portref, | ||
188 | struct tipc_name const *name, | ||
189 | u32 domain, /*0: own zone */ | ||
190 | unsigned int section_count, | ||
191 | struct iovec const *msg_sect, | ||
192 | struct tipc_portid const *origin, | ||
193 | unsigned int importance); | ||
194 | |||
195 | int tipc_forward_buf2name(u32 portref, | ||
196 | struct tipc_name const *name, | ||
197 | u32 domain, | ||
198 | struct sk_buff *buf, | ||
199 | unsigned int dsz, | ||
200 | struct tipc_portid const *orig, | ||
201 | unsigned int importance); | ||
202 | |||
203 | int tipc_send2port(u32 portref, | ||
204 | struct tipc_portid const *dest, | ||
205 | unsigned int num_sect, | ||
206 | struct iovec const *msg_sect); | ||
207 | |||
208 | int tipc_send_buf2port(u32 portref, | ||
209 | struct tipc_portid const *dest, | ||
210 | struct sk_buff *buf, | ||
211 | unsigned int dsz); | ||
212 | |||
213 | int tipc_forward2port(u32 portref, | ||
214 | struct tipc_portid const *dest, | ||
215 | unsigned int num_sect, | ||
216 | struct iovec const *msg_sect, | ||
217 | struct tipc_portid const *origin, | ||
218 | unsigned int importance); | ||
219 | |||
220 | int tipc_forward_buf2port(u32 portref, | ||
221 | struct tipc_portid const *dest, | ||
222 | struct sk_buff *buf, | ||
223 | unsigned int dsz, | ||
224 | struct tipc_portid const *orig, | ||
225 | unsigned int importance); | ||
226 | |||
227 | int tipc_multicast(u32 portref, | ||
228 | struct tipc_name_seq const *seq, | ||
229 | u32 domain, /* 0:own zone */ | ||
230 | unsigned int section_count, | ||
231 | struct iovec const *msg); | ||
232 | |||
233 | #if 0 | ||
234 | int tipc_multicast_buf(u32 portref, | ||
235 | struct tipc_name_seq const *seq, | ||
236 | u32 domain, /* 0:own zone */ | ||
237 | void *buf, | ||
238 | unsigned int size); | ||
239 | #endif | ||
240 | |||
241 | /* | ||
242 | * TIPC subscription routines | ||
243 | */ | ||
244 | |||
245 | int tipc_ispublished(struct tipc_name const *name); | ||
246 | |||
247 | /* | ||
248 | * Get number of available nodes within specified domain (excluding own node) | ||
249 | */ | ||
250 | |||
251 | unsigned int tipc_available_nodes(const u32 domain); | ||
252 | |||
253 | #endif | ||
254 | |||
255 | #endif | ||
diff --git a/include/net/tipc/tipc_bearer.h b/include/net/tipc/tipc_bearer.h new file mode 100644 index 000000000000..a3daf697b6b6 --- /dev/null +++ b/include/net/tipc/tipc_bearer.h | |||
@@ -0,0 +1,92 @@ | |||
1 | /* | ||
2 | * include/net/tipc/tipc_bearer.h: Include file for privileged access to TIPC bearers | ||
3 | * | ||
4 | * Copyright (c) 2003-2005, Ericsson Research Canada | ||
5 | * Copyright (c) 2005, Wind River Systems | ||
6 | * Copyright (c) 2005-2006, Ericsson AB | ||
7 | * All rights reserved. | ||
8 | * | ||
9 | * Redistribution and use in source and binary forms, with or without | ||
10 | * modification, are permitted provided that the following conditions are met: | ||
11 | * | ||
12 | * Redistributions of source code must retain the above copyright notice, this | ||
13 | * list of conditions and the following disclaimer. | ||
14 | * Redistributions in binary form must reproduce the above copyright notice, | ||
15 | * this list of conditions and the following disclaimer in the documentation | ||
16 | * and/or other materials provided with the distribution. | ||
17 | * Neither the names of the copyright holders nor the names of its | ||
18 | * contributors may be used to endorse or promote products derived from this | ||
19 | * software without specific prior written permission. | ||
20 | * | ||
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
25 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
31 | * POSSIBILITY OF SUCH DAMAGE. | ||
32 | */ | ||
33 | |||
34 | #ifndef _NET_TIPC_BEARER_H_ | ||
35 | #define _NET_TIPC_BEARER_H_ | ||
36 | |||
37 | #ifdef __KERNEL__ | ||
38 | |||
39 | #include <linux/tipc.h> | ||
40 | #include <linux/skbuff.h> | ||
41 | #include <linux/spinlock.h> | ||
42 | |||
43 | /** | ||
44 | * struct tipc_bearer - TIPC bearer info available to privileged users | ||
45 | * @usr_handle: pointer to additional user-defined information about bearer | ||
46 | * @mtu: max packet size bearer can support | ||
47 | * @blocked: non-zero if bearer is blocked | ||
48 | * @lock: spinlock for controlling access to bearer | ||
49 | * @addr: media-specific address associated with bearer | ||
50 | * @name: bearer name (format = media:interface) | ||
51 | * | ||
52 | * Note: TIPC initializes "name" and "lock" fields; user is responsible for | ||
53 | * initialization all other fields when a bearer is enabled. | ||
54 | */ | ||
55 | |||
56 | struct tipc_bearer { | ||
57 | void *usr_handle; | ||
58 | u32 mtu; | ||
59 | int blocked; | ||
60 | spinlock_t lock; | ||
61 | struct tipc_media_addr addr; | ||
62 | char name[TIPC_MAX_BEARER_NAME]; | ||
63 | }; | ||
64 | |||
65 | |||
66 | int tipc_register_media(u32 media_type, | ||
67 | char *media_name, | ||
68 | int (*enable)(struct tipc_bearer *), | ||
69 | void (*disable)(struct tipc_bearer *), | ||
70 | int (*send_msg)(struct sk_buff *, | ||
71 | struct tipc_bearer *, | ||
72 | struct tipc_media_addr *), | ||
73 | char *(*addr2str)(struct tipc_media_addr *a, | ||
74 | char *str_buf, | ||
75 | int str_size), | ||
76 | struct tipc_media_addr *bcast_addr, | ||
77 | const u32 bearer_priority, | ||
78 | const u32 link_tolerance, /* [ms] */ | ||
79 | const u32 send_window_limit); | ||
80 | |||
81 | void tipc_recv_msg(struct sk_buff *buf, struct tipc_bearer *tb_ptr); | ||
82 | |||
83 | int tipc_block_bearer(const char *name); | ||
84 | void tipc_continue(struct tipc_bearer *tb_ptr); | ||
85 | |||
86 | int tipc_enable_bearer(const char *bearer_name, u32 bcast_scope, u32 priority); | ||
87 | int tipc_disable_bearer(const char *name); | ||
88 | |||
89 | |||
90 | #endif | ||
91 | |||
92 | #endif | ||
diff --git a/include/net/tipc/tipc_msg.h b/include/net/tipc/tipc_msg.h new file mode 100644 index 000000000000..78513f5236bb --- /dev/null +++ b/include/net/tipc/tipc_msg.h | |||
@@ -0,0 +1,220 @@ | |||
1 | /* | ||
2 | * include/net/tipc/tipc_msg.h: Include file for privileged access to TIPC message headers | ||
3 | * | ||
4 | * Copyright (c) 2003-2005, Ericsson Research Canada | ||
5 | * Copyright (c) 2005, Wind River Systems | ||
6 | * Copyright (c) 2005-2006, Ericsson AB | ||
7 | * All rights reserved. | ||
8 | * | ||
9 | * Redistribution and use in source and binary forms, with or without | ||
10 | * modification, are permitted provided that the following conditions are met: | ||
11 | * | ||
12 | * Redistributions of source code must retain the above copyright notice, this | ||
13 | * list of conditions and the following disclaimer. | ||
14 | * Redistributions in binary form must reproduce the above copyright notice, | ||
15 | * this list of conditions and the following disclaimer in the documentation | ||
16 | * and/or other materials provided with the distribution. | ||
17 | * Neither the names of the copyright holders nor the names of its | ||
18 | * contributors may be used to endorse or promote products derived from this | ||
19 | * software without specific prior written permission. | ||
20 | * | ||
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
25 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
31 | * POSSIBILITY OF SUCH DAMAGE. | ||
32 | */ | ||
33 | |||
34 | #ifndef _NET_TIPC_MSG_H_ | ||
35 | #define _NET_TIPC_MSG_H_ | ||
36 | |||
37 | #ifdef __KERNEL__ | ||
38 | |||
39 | struct tipc_msg { | ||
40 | u32 hdr[15]; | ||
41 | }; | ||
42 | |||
43 | |||
44 | /* | ||
45 | TIPC user data message header format, version 2: | ||
46 | |||
47 | |||
48 | 1 0 9 8 7 6 5 4|3 2 1 0 9 8 7 6|5 4 3 2 1 0 9 8|7 6 5 4 3 2 1 0 | ||
49 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
50 | w0:|vers | user |hdr sz |n|d|s|-| message size | | ||
51 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
52 | w1:|mstyp| error |rer cnt|lsc|opt p| broadcast ack no | | ||
53 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
54 | w2:| link level ack no | broadcast/link level seq no | | ||
55 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
56 | w3:| previous node | | ||
57 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
58 | w4:| originating port | | ||
59 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
60 | w5:| destination port | | ||
61 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
62 | w6:| originating node | | ||
63 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
64 | w7:| destination node | | ||
65 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
66 | w8:| name type / transport sequence number | | ||
67 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
68 | w9:| name instance/multicast lower bound | | ||
69 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
70 | wA:| multicast upper bound | | ||
71 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
72 | / / | ||
73 | \ options \ | ||
74 | / / | ||
75 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ||
76 | |||
77 | */ | ||
78 | |||
79 | #define TIPC_CONN_MSG 0 | ||
80 | #define TIPC_MCAST_MSG 1 | ||
81 | #define TIPC_NAMED_MSG 2 | ||
82 | #define TIPC_DIRECT_MSG 3 | ||
83 | |||
84 | |||
85 | static inline u32 msg_word(struct tipc_msg *m, u32 pos) | ||
86 | { | ||
87 | return ntohl(m->hdr[pos]); | ||
88 | } | ||
89 | |||
90 | static inline u32 msg_bits(struct tipc_msg *m, u32 w, u32 pos, u32 mask) | ||
91 | { | ||
92 | return (msg_word(m, w) >> pos) & mask; | ||
93 | } | ||
94 | |||
95 | static inline u32 msg_importance(struct tipc_msg *m) | ||
96 | { | ||
97 | return msg_bits(m, 0, 25, 0xf); | ||
98 | } | ||
99 | |||
100 | static inline u32 msg_hdr_sz(struct tipc_msg *m) | ||
101 | { | ||
102 | return msg_bits(m, 0, 21, 0xf) << 2; | ||
103 | } | ||
104 | |||
105 | static inline int msg_short(struct tipc_msg *m) | ||
106 | { | ||
107 | return (msg_hdr_sz(m) == 24); | ||
108 | } | ||
109 | |||
110 | static inline u32 msg_size(struct tipc_msg *m) | ||
111 | { | ||
112 | return msg_bits(m, 0, 0, 0x1ffff); | ||
113 | } | ||
114 | |||
115 | static inline u32 msg_data_sz(struct tipc_msg *m) | ||
116 | { | ||
117 | return (msg_size(m) - msg_hdr_sz(m)); | ||
118 | } | ||
119 | |||
120 | static inline unchar *msg_data(struct tipc_msg *m) | ||
121 | { | ||
122 | return ((unchar *)m) + msg_hdr_sz(m); | ||
123 | } | ||
124 | |||
125 | static inline u32 msg_type(struct tipc_msg *m) | ||
126 | { | ||
127 | return msg_bits(m, 1, 29, 0x7); | ||
128 | } | ||
129 | |||
130 | static inline u32 msg_direct(struct tipc_msg *m) | ||
131 | { | ||
132 | return (msg_type(m) == TIPC_DIRECT_MSG); | ||
133 | } | ||
134 | |||
135 | static inline u32 msg_named(struct tipc_msg *m) | ||
136 | { | ||
137 | return (msg_type(m) == TIPC_NAMED_MSG); | ||
138 | } | ||
139 | |||
140 | static inline u32 msg_mcast(struct tipc_msg *m) | ||
141 | { | ||
142 | return (msg_type(m) == TIPC_MCAST_MSG); | ||
143 | } | ||
144 | |||
145 | static inline u32 msg_connected(struct tipc_msg *m) | ||
146 | { | ||
147 | return (msg_type(m) == TIPC_CONN_MSG); | ||
148 | } | ||
149 | |||
150 | static inline u32 msg_errcode(struct tipc_msg *m) | ||
151 | { | ||
152 | return msg_bits(m, 1, 25, 0xf); | ||
153 | } | ||
154 | |||
155 | static inline u32 msg_prevnode(struct tipc_msg *m) | ||
156 | { | ||
157 | return msg_word(m, 3); | ||
158 | } | ||
159 | |||
160 | static inline u32 msg_origport(struct tipc_msg *m) | ||
161 | { | ||
162 | return msg_word(m, 4); | ||
163 | } | ||
164 | |||
165 | static inline u32 msg_destport(struct tipc_msg *m) | ||
166 | { | ||
167 | return msg_word(m, 5); | ||
168 | } | ||
169 | |||
170 | static inline u32 msg_mc_netid(struct tipc_msg *m) | ||
171 | { | ||
172 | return msg_word(m, 5); | ||
173 | } | ||
174 | |||
175 | static inline u32 msg_orignode(struct tipc_msg *m) | ||
176 | { | ||
177 | if (likely(msg_short(m))) | ||
178 | return msg_prevnode(m); | ||
179 | return msg_word(m, 6); | ||
180 | } | ||
181 | |||
182 | static inline u32 msg_destnode(struct tipc_msg *m) | ||
183 | { | ||
184 | return msg_word(m, 7); | ||
185 | } | ||
186 | |||
187 | static inline u32 msg_nametype(struct tipc_msg *m) | ||
188 | { | ||
189 | return msg_word(m, 8); | ||
190 | } | ||
191 | |||
192 | static inline u32 msg_nameinst(struct tipc_msg *m) | ||
193 | { | ||
194 | return msg_word(m, 9); | ||
195 | } | ||
196 | |||
197 | static inline u32 msg_namelower(struct tipc_msg *m) | ||
198 | { | ||
199 | return msg_nameinst(m); | ||
200 | } | ||
201 | |||
202 | static inline u32 msg_nameupper(struct tipc_msg *m) | ||
203 | { | ||
204 | return msg_word(m, 10); | ||
205 | } | ||
206 | |||
207 | static inline char *msg_options(struct tipc_msg *m, u32 *len) | ||
208 | { | ||
209 | u32 pos = msg_bits(m, 1, 16, 0x7); | ||
210 | |||
211 | if (!pos) | ||
212 | return 0; | ||
213 | pos = (pos * 4) + 28; | ||
214 | *len = msg_hdr_sz(m) - pos; | ||
215 | return (char *)&m->hdr[pos/4]; | ||
216 | } | ||
217 | |||
218 | #endif | ||
219 | |||
220 | #endif | ||
diff --git a/include/net/tipc/tipc_port.h b/include/net/tipc/tipc_port.h new file mode 100644 index 000000000000..ec0f0de7f0e2 --- /dev/null +++ b/include/net/tipc/tipc_port.h | |||
@@ -0,0 +1,105 @@ | |||
1 | /* | ||
2 | * include/net/tipc/tipc_port.h: Include file for privileged access to TIPC ports | ||
3 | * | ||
4 | * Copyright (c) 2003-2005, Ericsson Research Canada | ||
5 | * Copyright (c) 2005, Wind River Systems | ||
6 | * Copyright (c) 2005-2006, Ericsson AB | ||
7 | * All rights reserved. | ||
8 | * | ||
9 | * Redistribution and use in source and binary forms, with or without | ||
10 | * modification, are permitted provided that the following conditions are met: | ||
11 | * | ||
12 | * Redistributions of source code must retain the above copyright notice, this | ||
13 | * list of conditions and the following disclaimer. | ||
14 | * Redistributions in binary form must reproduce the above copyright notice, | ||
15 | * this list of conditions and the following disclaimer in the documentation | ||
16 | * and/or other materials provided with the distribution. | ||
17 | * Neither the names of the copyright holders nor the names of its | ||
18 | * contributors may be used to endorse or promote products derived from this | ||
19 | * software without specific prior written permission. | ||
20 | * | ||
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
25 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
31 | * POSSIBILITY OF SUCH DAMAGE. | ||
32 | */ | ||
33 | |||
34 | #ifndef _NET_TIPC_PORT_H_ | ||
35 | #define _NET_TIPC_PORT_H_ | ||
36 | |||
37 | #ifdef __KERNEL__ | ||
38 | |||
39 | #include <linux/tipc.h> | ||
40 | #include <linux/skbuff.h> | ||
41 | #include <net/tipc/tipc_msg.h> | ||
42 | |||
43 | #define TIPC_FLOW_CONTROL_WIN 512 | ||
44 | |||
45 | /** | ||
46 | * struct tipc_port - native TIPC port info available to privileged users | ||
47 | * @usr_handle: pointer to additional user-defined information about port | ||
48 | * @lock: pointer to spinlock for controlling access to port | ||
49 | * @connected: non-zero if port is currently connected to a peer port | ||
50 | * @conn_type: TIPC type used when connection was established | ||
51 | * @conn_instance: TIPC instance used when connection was established | ||
52 | * @conn_unacked: number of unacknowledged messages received from peer port | ||
53 | * @published: non-zero if port has one or more associated names | ||
54 | * @congested: non-zero if cannot send because of link or port congestion | ||
55 | * @ref: unique reference to port in TIPC object registry | ||
56 | * @phdr: preformatted message header used when sending messages | ||
57 | */ | ||
58 | |||
59 | struct tipc_port { | ||
60 | void *usr_handle; | ||
61 | spinlock_t *lock; | ||
62 | int connected; | ||
63 | u32 conn_type; | ||
64 | u32 conn_instance; | ||
65 | u32 conn_unacked; | ||
66 | int published; | ||
67 | u32 congested; | ||
68 | u32 ref; | ||
69 | struct tipc_msg phdr; | ||
70 | }; | ||
71 | |||
72 | |||
73 | /** | ||
74 | * tipc_createport_raw - create a native TIPC port and return it's reference | ||
75 | * | ||
76 | * Note: 'dispatcher' and 'wakeup' deliver a locked port. | ||
77 | */ | ||
78 | |||
79 | u32 tipc_createport_raw(void *usr_handle, | ||
80 | u32 (*dispatcher)(struct tipc_port *, struct sk_buff *), | ||
81 | void (*wakeup)(struct tipc_port *), | ||
82 | const u32 importance); | ||
83 | |||
84 | /* | ||
85 | * tipc_set_msg_option(): port must be locked. | ||
86 | */ | ||
87 | int tipc_set_msg_option(struct tipc_port *tp_ptr, | ||
88 | const char *opt, | ||
89 | const u32 len); | ||
90 | |||
91 | int tipc_reject_msg(struct sk_buff *buf, u32 err); | ||
92 | |||
93 | int tipc_send_buf_fast(struct sk_buff *buf, u32 destnode); | ||
94 | |||
95 | void tipc_acknowledge(u32 port_ref,u32 ack); | ||
96 | |||
97 | struct tipc_port *tipc_get_port(const u32 ref); | ||
98 | |||
99 | void *tipc_get_handle(const u32 ref); | ||
100 | |||
101 | |||
102 | #endif | ||
103 | |||
104 | #endif | ||
105 | |||