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--- old/usr/src/uts/common/sys/socket_proto.h
+++ new/usr/src/uts/common/sys/socket_proto.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
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23 23 */
24 24
25 25 #ifndef _SYS_SOCKET_PROTO_H_
26 26 #define _SYS_SOCKET_PROTO_H_
27 27
28 28 #ifdef __cplusplus
29 29 extern "C" {
30 30 #endif
31 31
32 32 #include <sys/socket.h>
33 +#include <sys/pidnode.h>
33 34
34 35 /*
35 36 * Generation count
36 37 */
37 38 typedef uint64_t sock_connid_t;
38 39
39 40 #define SOCK_CONNID_INIT(id) { \
40 41 (id) = 0; \
41 42 }
42 43 #define SOCK_CONNID_BUMP(id) (++(id))
43 44 #define SOCK_CONNID_LT(id1, id2) ((int64_t)((id1)-(id2)) < 0)
44 45
45 46 /* Socket protocol properties */
46 47 struct sock_proto_props {
47 48 uint_t sopp_flags; /* options to set */
48 49 ushort_t sopp_wroff; /* write offset */
49 50 ssize_t sopp_txhiwat; /* tx hi water mark */
50 51 ssize_t sopp_txlowat; /* tx lo water mark */
51 52 ssize_t sopp_rxhiwat; /* recv high water mark */
52 53 ssize_t sopp_rxlowat; /* recv low water mark */
53 54 ssize_t sopp_maxblk; /* maximum message block size */
54 55 ssize_t sopp_maxpsz; /* maximum packet size */
55 56 ssize_t sopp_minpsz; /* minimum packet size */
56 57 ushort_t sopp_tail; /* space available at the end */
57 58 uint_t sopp_zcopyflag; /* zero copy flag */
58 59 boolean_t sopp_oobinline; /* OOB inline */
59 60 uint_t sopp_rcvtimer; /* delayed recv notification (time) */
60 61 uint32_t sopp_rcvthresh; /* delayed recv notification (bytes) */
61 62 socklen_t sopp_maxaddrlen; /* maximum size of protocol address */
62 63 boolean_t sopp_loopback; /* loopback connection */
63 64 };
64 65
65 66 /* flags to determine which socket options are set */
66 67 #define SOCKOPT_WROFF 0x0001 /* set write offset */
67 68 #define SOCKOPT_RCVHIWAT 0x0002 /* set read side high water */
68 69 #define SOCKOPT_RCVLOWAT 0x0004 /* set read side high water */
69 70 #define SOCKOPT_MAXBLK 0x0008 /* set maximum message block size */
70 71 #define SOCKOPT_TAIL 0x0010 /* set the extra allocated space */
71 72 #define SOCKOPT_ZCOPY 0x0020 /* set/unset zero copy for sendfile */
72 73 #define SOCKOPT_MAXPSZ 0x0040 /* set maxpsz for protocols */
73 74 #define SOCKOPT_OOBINLINE 0x0080 /* set oob inline processing */
74 75 #define SOCKOPT_RCVTIMER 0x0100
75 76 #define SOCKOPT_RCVTHRESH 0x0200
76 77 #define SOCKOPT_MAXADDRLEN 0x0400 /* set max address length */
77 78 #define SOCKOPT_MINPSZ 0x0800 /* set minpsz for protocols */
78 79 #define SOCKOPT_LOOPBACK 0x1000 /* set loopback */
79 80
80 81 #define IS_SO_OOB_INLINE(so) ((so)->so_proto_props.sopp_oobinline)
81 82
82 83 #ifdef _KERNEL
83 84
84 85 struct T_capability_ack;
85 86
86 87 typedef struct sock_upcalls_s sock_upcalls_t;
87 88 typedef struct sock_downcalls_s sock_downcalls_t;
88 89
89 90 /*
90 91 * Upcall and downcall handle for sockfs and transport layer.
91 92 */
92 93 typedef struct __sock_upper_handle *sock_upper_handle_t;
93 94 typedef struct __sock_lower_handle *sock_lower_handle_t;
94 95
95 96 struct sock_downcalls_s {
96 97 void (*sd_activate)(sock_lower_handle_t, sock_upper_handle_t,
97 98 sock_upcalls_t *, int, cred_t *);
98 99 int (*sd_accept)(sock_lower_handle_t, sock_lower_handle_t,
99 100 sock_upper_handle_t, cred_t *);
100 101 int (*sd_bind)(sock_lower_handle_t, struct sockaddr *, socklen_t,
101 102 cred_t *);
102 103 int (*sd_listen)(sock_lower_handle_t, int, cred_t *);
103 104 int (*sd_connect)(sock_lower_handle_t, const struct sockaddr *,
104 105 socklen_t, sock_connid_t *, cred_t *);
105 106 int (*sd_getpeername)(sock_lower_handle_t, struct sockaddr *,
106 107 socklen_t *, cred_t *);
107 108 int (*sd_getsockname)(sock_lower_handle_t, struct sockaddr *,
108 109 socklen_t *, cred_t *);
109 110 int (*sd_getsockopt)(sock_lower_handle_t, int, int, void *,
110 111 socklen_t *, cred_t *);
111 112 int (*sd_setsockopt)(sock_lower_handle_t, int, int, const void *,
112 113 socklen_t, cred_t *);
113 114 int (*sd_send)(sock_lower_handle_t, mblk_t *, struct nmsghdr *,
114 115 cred_t *);
115 116 int (*sd_send_uio)(sock_lower_handle_t, uio_t *, struct nmsghdr *,
116 117 cred_t *);
117 118 int (*sd_recv_uio)(sock_lower_handle_t, uio_t *, struct nmsghdr *,
118 119 cred_t *);
119 120 short (*sd_poll)(sock_lower_handle_t, short, int, cred_t *);
120 121 int (*sd_shutdown)(sock_lower_handle_t, int, cred_t *);
121 122 void (*sd_clr_flowctrl)(sock_lower_handle_t);
122 123 int (*sd_ioctl)(sock_lower_handle_t, int, intptr_t, int,
123 124 int32_t *, cred_t *);
124 125 int (*sd_close)(sock_lower_handle_t, int, cred_t *);
125 126 };
126 127
127 128 typedef sock_lower_handle_t (*so_proto_create_func_t)(int, int, int,
128 129 sock_downcalls_t **, uint_t *, int *, int, cred_t *);
129 130
130 131 typedef struct sock_quiesce_arg {
131 132 mblk_t *soqa_exdata_mp;
132 133 mblk_t *soqa_urgmark_mp;
133 134 } sock_quiesce_arg_t;
134 135 typedef mblk_t *(*so_proto_quiesced_cb_t)(sock_upper_handle_t,
135 136 sock_quiesce_arg_t *, struct T_capability_ack *, struct sockaddr *,
136 137 socklen_t, struct sockaddr *, socklen_t, short);
137 138 typedef int (*so_proto_fallback_func_t)(sock_lower_handle_t, queue_t *,
138 139 boolean_t, so_proto_quiesced_cb_t, sock_quiesce_arg_t *);
139 140
140 141 /*
141 142 * These functions return EOPNOTSUPP and are intended for the sockfs
142 143 * developer that doesn't wish to supply stubs for every function themselves.
143 144 */
144 145 extern int sock_accept_notsupp(sock_lower_handle_t, sock_lower_handle_t,
145 146 sock_upper_handle_t, cred_t *);
146 147 extern int sock_bind_notsupp(sock_lower_handle_t, struct sockaddr *,
147 148 socklen_t, cred_t *);
148 149 extern int sock_listen_notsupp(sock_lower_handle_t, int, cred_t *);
149 150 extern int sock_connect_notsupp(sock_lower_handle_t,
150 151 const struct sockaddr *, socklen_t, sock_connid_t *, cred_t *);
151 152 extern int sock_getpeername_notsupp(sock_lower_handle_t, struct sockaddr *,
152 153 socklen_t *, cred_t *);
153 154 extern int sock_getsockname_notsupp(sock_lower_handle_t, struct sockaddr *,
154 155 socklen_t *, cred_t *);
155 156 extern int sock_getsockopt_notsupp(sock_lower_handle_t, int, int, void *,
156 157 socklen_t *, cred_t *);
157 158 extern int sock_setsockopt_notsupp(sock_lower_handle_t, int, int,
158 159 const void *, socklen_t, cred_t *);
159 160 extern int sock_send_notsupp(sock_lower_handle_t, mblk_t *,
160 161 struct nmsghdr *, cred_t *);
161 162 extern int sock_send_uio_notsupp(sock_lower_handle_t, uio_t *,
162 163 struct nmsghdr *, cred_t *);
163 164 extern int sock_recv_uio_notsupp(sock_lower_handle_t, uio_t *,
164 165 struct nmsghdr *, cred_t *);
165 166 extern short sock_poll_notsupp(sock_lower_handle_t, short, int, cred_t *);
166 167 extern int sock_shutdown_notsupp(sock_lower_handle_t, int, cred_t *);
167 168 extern void sock_clr_flowctrl_notsupp(sock_lower_handle_t);
168 169 extern int sock_ioctl_notsupp(sock_lower_handle_t, int, intptr_t, int,
169 170 int32_t *, cred_t *);
170 171 extern int sock_close_notsupp(sock_lower_handle_t, int, cred_t *);
171 172
172 173 /*
173 174 * Upcalls and related information
174 175 */
175 176
176 177 /*
177 178 * su_opctl() actions
178 179 */
179 180 typedef enum sock_opctl_action {
180 181 SOCK_OPCTL_ENAB_ACCEPT = 0,
181 182 SOCK_OPCTL_SHUT_SEND,
182 183 SOCK_OPCTL_SHUT_RECV
183 184 } sock_opctl_action_t;
184 185
185 186 struct sock_upcalls_s {
186 187 sock_upper_handle_t (*su_newconn)(sock_upper_handle_t,
187 188 sock_lower_handle_t, sock_downcalls_t *, cred_t *, pid_t,
188 189 sock_upcalls_t **);
189 190 void (*su_connected)(sock_upper_handle_t, sock_connid_t, cred_t *,
190 191 pid_t);
191 192 int (*su_disconnected)(sock_upper_handle_t, sock_connid_t, int);
192 193 void (*su_opctl)(sock_upper_handle_t, sock_opctl_action_t,
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193 194 uintptr_t);
194 195 ssize_t (*su_recv)(sock_upper_handle_t, mblk_t *, size_t, int,
195 196 int *, boolean_t *);
196 197 void (*su_set_proto_props)(sock_upper_handle_t,
197 198 struct sock_proto_props *);
198 199 void (*su_txq_full)(sock_upper_handle_t, boolean_t);
199 200 void (*su_signal_oob)(sock_upper_handle_t, ssize_t);
200 201 void (*su_zcopy_notify)(sock_upper_handle_t);
201 202 void (*su_set_error)(sock_upper_handle_t, int);
202 203 void (*su_closed)(sock_upper_handle_t);
204 + mblk_t *(*su_get_sock_pid_mblk)(sock_upper_handle_t);
203 205 };
204 206
205 207 #define SOCK_UC_VERSION sizeof (sock_upcalls_t)
206 208 #define SOCK_DC_VERSION sizeof (sock_downcalls_t)
207 209
208 210 #define SOCKET_RECVHIWATER (48 * 1024)
209 211 #define SOCKET_RECVLOWATER 1024
210 212
211 213 #define SOCKET_NO_RCVTIMER 0
212 214 #define SOCKET_TIMER_INTERVAL 50
213 215
214 216 #endif /* _KERNEL */
215 217
216 218 #ifdef __cplusplus
217 219 }
218 220 #endif
219 221
220 222 #endif /* _SYS_SOCKET_PROTO_H_ */
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