1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _INET_SCTP_ITF_H 27 #define _INET_SCTP_ITF_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <netinet/sctp.h> 34 35 /* 36 * Kernel SCTP programming interface. Note that this interface 37 * is private to Sun and can be changed without notice. 38 */ 39 40 #ifdef _KERNEL 41 42 /* 43 * The version number of the SCTP kernel interface. Use it with 44 * sctp_itf_ver() to verify if the kernel supports the correct 45 * version of the interface. 46 * 47 * NOTE: do not assume backward compatibility of the interface. 48 * If the return value of sctp_itf_ver() is different from what 49 * is expected, do not call any of the routines. 50 */ 51 #define SCTP_ITF_VER 1 52 53 /* 54 * This struct holds various flow control limits the caller of 55 * sctp_create() should observe when interacting with SCTP. 56 */ 57 typedef struct sctp_sockbuf_limits_s { 58 int sbl_rxbuf; 59 int sbl_rxlowat; 60 int sbl_txbuf; 61 int sbl_txlowat; 62 } sctp_sockbuf_limits_t; 63 64 /* 65 * Parameter to SCTP_UC_SWAP setsockopt 66 */ 67 struct sock_upcalls_s; 68 struct sctp_uc_swap { 69 void *sus_handle; 70 struct sock_upcalls_s *sus_upcalls; 71 }; 72 73 struct sctp_s; 74 75 /* 76 * The list of routines the SCTP kernel module provides. 77 */ 78 extern mblk_t *sctp_alloc_hdr(const char *name, int namelen, 79 const char *control, int controllen, int flags); 80 extern int sctp_bind(struct sctp_s *conn, struct sockaddr *addr, 81 socklen_t addrlen); 82 extern int sctp_bindx(struct sctp_s *conn, const void *addrs, int addrcnt, 83 int flags); 84 extern void sctp_close(struct sctp_s *conn); 85 extern int sctp_connect(struct sctp_s *conn, const struct sockaddr *dst, 86 socklen_t addrlen); 87 extern struct sctp_s *sctp_create(void *newhandle, struct sctp_s *parent, 88 int family, int flags, struct sock_upcalls_s *su, 89 sctp_sockbuf_limits_t *sbl, cred_t *cr); 90 extern int sctp_disconnect(struct sctp_s *conn); 91 extern int sctp_get_opt(struct sctp_s *conn, int level, int opt, void *opts, 92 socklen_t *optlen); 93 extern int sctp_getpeername(struct sctp_s *conn, struct sockaddr *addr, 94 socklen_t *addrlen); 95 extern int sctp_getsockname(struct sctp_s *conn, struct sockaddr *addr, 96 socklen_t *addrlen); 97 extern int sctp_itf_ver(int); 98 extern int sctp_listen(struct sctp_s *conn); 99 extern void sctp_recvd(struct sctp_s *conn, int len); 100 extern int sctp_sendmsg(struct sctp_s *conn, mblk_t *mp, int flags); 101 extern int sctp_set_opt(struct sctp_s *conn, int level, int opt, 102 const void *opts, socklen_t optlen); 103 104 /* Flags for sctp_create(), sctp_alloc_hdr() */ 105 #define SCTP_CAN_BLOCK 0x01 106 107 /* Flags for upcall su_recv() */ 108 #define SCTP_NOTIFICATION 0x01 /* message is a notification */ 109 #define SCTP_PARTIAL_DATA 0x02 /* not a full message */ 110 111 /* Use by sockfs to do sctp_peeloff(). */ 112 #define SCTP_UC_SWAP 255 113 114 /* 115 * The following are private interfaces between Solaris SCTP and SunCluster. 116 * Hence, these interfaces are only for use by SunCluster and are *not* part 117 * of the general SCTP kernel interface. 118 */ 119 120 typedef uintptr_t cl_sctp_handle_t; 121 122 typedef struct cl_sctp_info_s { 123 ushort_t cl_sctpi_version; 124 ushort_t cl_sctpi_family; 125 ushort_t cl_sctpi_ipversion; 126 int32_t cl_sctpi_state; 127 in_port_t cl_sctpi_lport; 128 in_port_t cl_sctpi_fport; 129 uint_t cl_sctpi_nladdr; 130 uchar_t *cl_sctpi_laddrp; 131 uint_t cl_sctpi_nfaddr; 132 uchar_t *cl_sctpi_faddrp; 133 cl_sctp_handle_t cl_sctpi_handle; 134 } cl_sctp_info_t; 135 136 #define CL_SCTPI_V1 1 /* cl_sctpi_version number */ 137 138 /* Used to indicate if the local or peer address list has changed */ 139 #define SCTP_CL_LADDR 1 140 #define SCTP_CL_PADDR 2 141 142 extern int cl_sctp_cookie_paddr(sctp_chunk_hdr_t *, in6_addr_t *); 143 extern int cl_sctp_walk_list(int (*callback)(cl_sctp_info_t *, void *), void *, 144 boolean_t); 145 146 /* End of private SunCluster interfaces */ 147 148 #endif /* _KERNEL */ 149 150 #ifdef __cplusplus 151 } 152 #endif 153 154 #endif /* _INET_SCTP_ITF_H */ 155