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Nagram/TMessagesProj/jni/third_party/usrsctplib/netinet/sctp_os_userspace.h
xaxtix d30f796d8c Update to 8.6.0
2022-03-11 19:49:54 +03:00

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/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2006-2007, by Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2008-2011, by Randall Stewart. All rights reserved.
* Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved.
* Copyright (c) 2008-2011, by Brad Penoff. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* a) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* b) Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
*
* c) Neither the name of Cisco Systems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __sctp_os_userspace_h__
#define __sctp_os_userspace_h__
/*
* Userspace includes
* All the opt_xxx.h files are placed in the kernel build directory.
* We will place them in userspace stack build directory.
*/
#include <errno.h>
#if defined(_WIN32)
#include <winsock2.h>
#include <ws2tcpip.h>
#include <iphlpapi.h>
#include <mswsock.h>
#include <windows.h>
#include "user_environment.h"
typedef CRITICAL_SECTION userland_mutex_t;
#if WINVER < 0x0600
enum {
C_SIGNAL = 0,
C_BROADCAST = 1,
C_MAX_EVENTS = 2
};
typedef struct
{
u_int waiters_count;
CRITICAL_SECTION waiters_count_lock;
HANDLE events_[C_MAX_EVENTS];
} userland_cond_t;
void InitializeXPConditionVariable(userland_cond_t *);
void DeleteXPConditionVariable(userland_cond_t *);
int SleepXPConditionVariable(userland_cond_t *, userland_mutex_t *);
void WakeAllXPConditionVariable(userland_cond_t *);
#define InitializeConditionVariable(cond) InitializeXPConditionVariable(cond)
#define DeleteConditionVariable(cond) DeleteXPConditionVariable(cond)
#define SleepConditionVariableCS(cond, mtx, time) SleepXPConditionVariable(cond, mtx)
#define WakeAllConditionVariable(cond) WakeAllXPConditionVariable(cond)
#else
#define DeleteConditionVariable(cond)
typedef CONDITION_VARIABLE userland_cond_t;
#endif
typedef HANDLE userland_thread_t;
#define ADDRESS_FAMILY unsigned __int8
#define IPVERSION 4
#define MAXTTL 255
/* VS2010 comes with stdint.h */
#if !defined(_MSC_VER) || (_MSC_VER >= 1600)
#include <stdint.h>
#else
typedef unsigned __int64 uint64_t;
typedef unsigned __int32 uint32_t;
typedef __int32 int32_t;
typedef unsigned __int16 uint16_t;
typedef __int16 int16_t;
typedef unsigned __int8 uint8_t;
typedef __int8 int8_t;
#endif
#ifndef _SIZE_T_DEFINED
#typedef __int32 size_t;
#endif
typedef unsigned __int32 u_int;
typedef unsigned char u_char;
typedef unsigned __int16 u_short;
typedef unsigned __int8 sa_family_t;
#ifndef _SSIZE_T_DEFINED
typedef __int64 ssize_t;
#endif
#if !defined(__MINGW32__)
#define __func__ __FUNCTION__
#endif
#ifndef EWOULDBLOCK
#define EWOULDBLOCK WSAEWOULDBLOCK
#endif
#ifndef EINPROGRESS
#define EINPROGRESS WSAEINPROGRESS
#endif
#ifndef EALREADY
#define EALREADY WSAEALREADY
#endif
#ifndef ENOTSOCK
#define ENOTSOCK WSAENOTSOCK
#endif
#ifndef EDESTADDRREQ
#define EDESTADDRREQ WSAEDESTADDRREQ
#endif
#ifndef EMSGSIZE
#define EMSGSIZE WSAEMSGSIZE
#endif
#ifndef EPROTOTYPE
#define EPROTOTYPE WSAEPROTOTYPE
#endif
#ifndef ENOPROTOOPT
#define ENOPROTOOPT WSAENOPROTOOPT
#endif
#ifndef EPROTONOSUPPORT
#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
#endif
#ifndef ESOCKTNOSUPPORT
#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
#endif
#ifndef EOPNOTSUPP
#define EOPNOTSUPP WSAEOPNOTSUPP
#endif
#ifndef ENOTSUP
#define ENOTSUP WSAEOPNOTSUPP
#endif
#ifndef EPFNOSUPPORT
#define EPFNOSUPPORT WSAEPFNOSUPPORT
#endif
#ifndef EAFNOSUPPORT
#define EAFNOSUPPORT WSAEAFNOSUPPORT
#endif
#ifndef EADDRINUSE
#define EADDRINUSE WSAEADDRINUSE
#endif
#ifndef EADDRNOTAVAIL
#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
#endif
#ifndef ENETDOWN
#define ENETDOWN WSAENETDOWN
#endif
#ifndef ENETUNREACH
#define ENETUNREACH WSAENETUNREACH
#endif
#ifndef ENETRESET
#define ENETRESET WSAENETRESET
#endif
#ifndef ECONNABORTED
#define ECONNABORTED WSAECONNABORTED
#endif
#ifndef ECONNRESET
#define ECONNRESET WSAECONNRESET
#endif
#ifndef ENOBUFS
#define ENOBUFS WSAENOBUFS
#endif
#ifndef EISCONN
#define EISCONN WSAEISCONN
#endif
#ifndef ENOTCONN
#define ENOTCONN WSAENOTCONN
#endif
#ifndef ESHUTDOWN
#define ESHUTDOWN WSAESHUTDOWN
#endif
#ifndef ETOOMANYREFS
#define ETOOMANYREFS WSAETOOMANYREFS
#endif
#ifndef ETIMEDOUT
#define ETIMEDOUT WSAETIMEDOUT
#endif
#ifndef ECONNREFUSED
#define ECONNREFUSED WSAECONNREFUSED
#endif
#ifndef ELOOP
#define ELOOP WSAELOOP
#endif
#ifndef EHOSTDOWN
#define EHOSTDOWN WSAEHOSTDOWN
#endif
#ifndef EHOSTUNREACH
#define EHOSTUNREACH WSAEHOSTUNREACH
#endif
#ifndef EPROCLIM
#define EPROCLIM WSAEPROCLIM
#endif
#ifndef EUSERS
#define EUSERS WSAEUSERS
#endif
#ifndef EDQUOT
#define EDQUOT WSAEDQUOT
#endif
#ifndef ESTALE
#define ESTALE WSAESTALE
#endif
#ifndef EREMOTE
#define EREMOTE WSAEREMOTE
#endif
typedef char* caddr_t;
#define bzero(buf, len) memset(buf, 0, len)
#define bcopy(srcKey, dstKey, len) memcpy(dstKey, srcKey, len)
#if defined(_MSC_VER) && (_MSC_VER < 1900) && !defined(__MINGW32__)
#define SCTP_SNPRINTF(data, size, format, ...) \
if (_snprintf_s(data, size, _TRUNCATE, format, __VA_ARGS__) < 0) { \
data[0] = '\0'; \
}
#else
#define SCTP_SNPRINTF(data, ...) \
if (snprintf(data, __VA_ARGS__) < 0 ) { \
data[0] = '\0'; \
}
#endif
#define inline __inline
#define __inline__ __inline
#define MSG_EOR 0x8 /* data completes record */
#define MSG_DONTWAIT 0x80 /* this message should be nonblocking */
#ifdef CMSG_DATA
#undef CMSG_DATA
#endif
/*
* The following definitions should apply iff WINVER < 0x0600
* but that check doesn't work in all cases. So be more pedantic...
*/
#define CMSG_DATA(x) WSA_CMSG_DATA(x)
#define CMSG_ALIGN(x) WSA_CMSGDATA_ALIGN(x)
#ifndef CMSG_FIRSTHDR
#define CMSG_FIRSTHDR(x) WSA_CMSG_FIRSTHDR(x)
#endif
#ifndef CMSG_NXTHDR
#define CMSG_NXTHDR(x, y) WSA_CMSG_NXTHDR(x, y)
#endif
#ifndef CMSG_SPACE
#define CMSG_SPACE(x) WSA_CMSG_SPACE(x)
#endif
#ifndef CMSG_LEN
#define CMSG_LEN(x) WSA_CMSG_LEN(x)
#endif
/**** from sctp_os_windows.h ***************/
#define SCTP_IFN_IS_IFT_LOOP(ifn) ((ifn)->ifn_type == IFT_LOOP)
#define SCTP_ROUTE_IS_REAL_LOOP(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifa && (ro)->ro_rt->rt_ifa->ifa_ifp && (ro)->ro_rt->rt_ifa->ifa_ifp->if_type == IFT_LOOP)
/*
* Access to IFN's to help with src-addr-selection
*/
/* This could return VOID if the index works but for BSD we provide both. */
#define SCTP_GET_IFN_VOID_FROM_ROUTE(ro) \
((ro)->ro_rt != NULL ? (ro)->ro_rt->rt_ifp : NULL)
#define SCTP_ROUTE_HAS_VALID_IFN(ro) \
((ro)->ro_rt && (ro)->ro_rt->rt_ifp)
/******************************************/
#define SCTP_GET_IF_INDEX_FROM_ROUTE(ro) 1 /* compiles... TODO use routing socket to determine */
#define BIG_ENDIAN 1
#define LITTLE_ENDIAN 0
#ifdef WORDS_BIGENDIAN
#define BYTE_ORDER BIG_ENDIAN
#else
#define BYTE_ORDER LITTLE_ENDIAN
#endif
#else /* !defined(Userspace_os_Windows) */
#include <sys/socket.h>
#if defined(__EMSCRIPTEN__) && !defined(__EMSCRIPTEN_PTHREADS__)
#error "Unsupported build configuration."
#endif
#include <pthread.h>
typedef pthread_mutex_t userland_mutex_t;
typedef pthread_cond_t userland_cond_t;
typedef pthread_t userland_thread_t;
#endif
#if defined(_WIN32) || defined(__native_client__)
#define IFNAMSIZ 64
#define random() rand()
#define srandom(s) srand(s)
#define timeradd(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
if ((vvp)->tv_usec >= 1000000) { \
(vvp)->tv_sec++; \
(vvp)->tv_usec -= 1000000; \
} \
} while (0)
#define timersub(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
if ((vvp)->tv_usec < 0) { \
(vvp)->tv_sec--; \
(vvp)->tv_usec += 1000000; \
} \
} while (0)
/*#include <packon.h>
#pragma pack(push, 1)*/
struct ip {
u_char ip_hl:4, ip_v:4;
u_char ip_tos;
u_short ip_len;
u_short ip_id;
u_short ip_off;
#define IP_RP 0x8000
#define IP_DF 0x4000
#define IP_MF 0x2000
#define IP_OFFMASK 0x1fff
u_char ip_ttl;
u_char ip_p;
u_short ip_sum;
struct in_addr ip_src, ip_dst;
};
struct ifaddrs {
struct ifaddrs *ifa_next;
char *ifa_name;
unsigned int ifa_flags;
struct sockaddr *ifa_addr;
struct sockaddr *ifa_netmask;
struct sockaddr *ifa_dstaddr;
void *ifa_data;
};
struct udphdr {
uint16_t uh_sport;
uint16_t uh_dport;
uint16_t uh_ulen;
uint16_t uh_sum;
};
struct iovec {
size_t len;
char *buf;
};
#define iov_base buf
#define iov_len len
struct ifa_msghdr {
uint16_t ifam_msglen;
unsigned char ifam_version;
unsigned char ifam_type;
uint32_t ifam_addrs;
uint32_t ifam_flags;
uint16_t ifam_index;
uint32_t ifam_metric;
};
struct ifdevmtu {
int ifdm_current;
int ifdm_min;
int ifdm_max;
};
struct ifkpi {
unsigned int ifk_module_id;
unsigned int ifk_type;
union {
void *ifk_ptr;
int ifk_value;
} ifk_data;
};
#endif
#if defined(_WIN32)
int Win_getifaddrs(struct ifaddrs**);
#define getifaddrs(interfaces) (int)Win_getifaddrs(interfaces)
int win_if_nametoindex(const char *);
#define if_nametoindex(x) win_if_nametoindex(x)
#endif
#define mtx_lock(arg1)
#define mtx_unlock(arg1)
#define mtx_assert(arg1,arg2)
#define MA_OWNED 7 /* sys/mutex.h typically on FreeBSD */
#if !defined(__FreeBSD__)
struct mtx {int dummy;};
#if !defined(__NetBSD__)
struct selinfo {int dummy;};
#endif
struct sx {int dummy;};
#endif
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
/* #include <sys/param.h> in FreeBSD defines MSIZE */
/* #include <sys/ktr.h> */
/* #include <sys/systm.h> */
#if defined(HAVE_SYS_QUEUE_H)
#include <sys/queue.h>
#else
#include <user_queue.h>
#endif
#include <user_malloc.h>
/* #include <sys/kernel.h> */
/* #include <sys/sysctl.h> */
/* #include <sys/protosw.h> */
/* on FreeBSD, this results in a redefintion of SOCK(BUF)_(UN)LOCK and
* uknown type of struct mtx for sb_mtx in struct sockbuf */
#include "user_socketvar.h" /* MALLOC_DECLARE's M_PCB. Replacement for sys/socketvar.h */
/* #include <sys/jail.h> */
/* #include <sys/sysctl.h> */
#include <user_environment.h>
#include <user_atomic.h>
#include <user_mbuf.h>
/* #include <sys/uio.h> */
/* #include <sys/lock.h> */
#if defined(__FreeBSD__) && !defined(__Userspace__)
#include <sys/rwlock.h>
#endif
/* #include <sys/kthread.h> */
#if defined(__FreeBSD__) && !defined(__Userspace__)
#include <sys/priv.h>
#endif
/* #include <sys/random.h> */
#include <limits.h>
/* #include <machine/cpu.h> */
#if defined(__APPLE__)
/* was a 0 byte file. needed for structs if_data(64) and net_event_data */
#include <net/if_var.h>
#endif
#if defined(__FreeBSD__)
#include <net/if_types.h>
/* #include <net/if_var.h> was a 0 byte file. causes struct mtx redefinition */
#endif
/* OOTB only - dummy route used at the moment. should we port route to
* userspace as well? */
/* on FreeBSD, this results in a redefintion of struct route */
/* #include <net/route.h> */
#if !defined(_WIN32) && !defined(__native_client__)
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#endif
#if defined(HAVE_NETINET_IP_ICMP_H)
#include <netinet/ip_icmp.h>
#else
#include <user_ip_icmp.h>
#endif
/* #include <netinet/in_pcb.h> ported to userspace */
#include <user_inpcb.h>
/* for getifaddrs */
#include <sys/types.h>
#if !defined(_WIN32)
#if defined(INET) || defined(INET6)
#include <ifaddrs.h>
#endif
/* for ioctl */
#include <sys/ioctl.h>
/* for close, etc. */
#include <unistd.h>
/* for gettimeofday */
#include <sys/time.h>
#endif
/* lots of errno's used and needed in userspace */
/* for offsetof */
#include <stddef.h>
#if defined(SCTP_PROCESS_LEVEL_LOCKS) && !defined(_WIN32)
/* for pthread_mutex_lock, pthread_mutex_unlock, etc. */
#include <pthread.h>
#endif
#ifdef IPSEC
#include <netipsec/ipsec.h>
#include <netipsec/key.h>
#endif /* IPSEC */
#ifdef INET6
#if defined(__FreeBSD__)
#include <sys/domain.h>
#endif
#ifdef IPSEC
#include <netipsec/ipsec6.h>
#endif
#if !defined(_WIN32)
#include <netinet/ip6.h>
#endif
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__linux__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(_WIN32) || defined(__EMSCRIPTEN__)
#include "user_ip6_var.h"
#else
#include <netinet6/ip6_var.h>
#endif
#if defined(__FreeBSD__)
#include <netinet6/in6_pcb.h>
#include <netinet6/ip6protosw.h>
/* #include <netinet6/nd6.h> was a 0 byte file */
#include <netinet6/scope6_var.h>
#endif
#endif /* INET6 */
#if defined(HAVE_SCTP_PEELOFF_SOCKOPT)
#include <sys/file.h>
#include <sys/filedesc.h>
#endif
#include "netinet/sctp_sha1.h"
#if defined(__FreeBSD__) && !defined(__Userspace__)
#include <netinet/ip_options.h>
#endif
#define SCTP_PRINTF(...) \
if (SCTP_BASE_VAR(debug_printf)) { \
SCTP_BASE_VAR(debug_printf)(__VA_ARGS__); \
}
/* Declare all the malloc names for all the various mallocs */
MALLOC_DECLARE(SCTP_M_MAP);
MALLOC_DECLARE(SCTP_M_STRMI);
MALLOC_DECLARE(SCTP_M_STRMO);
MALLOC_DECLARE(SCTP_M_ASC_ADDR);
MALLOC_DECLARE(SCTP_M_ASC_IT);
MALLOC_DECLARE(SCTP_M_AUTH_CL);
MALLOC_DECLARE(SCTP_M_AUTH_KY);
MALLOC_DECLARE(SCTP_M_AUTH_HL);
MALLOC_DECLARE(SCTP_M_AUTH_IF);
MALLOC_DECLARE(SCTP_M_STRESET);
MALLOC_DECLARE(SCTP_M_CMSG);
MALLOC_DECLARE(SCTP_M_COPYAL);
MALLOC_DECLARE(SCTP_M_VRF);
MALLOC_DECLARE(SCTP_M_IFA);
MALLOC_DECLARE(SCTP_M_IFN);
MALLOC_DECLARE(SCTP_M_TIMW);
MALLOC_DECLARE(SCTP_M_MVRF);
MALLOC_DECLARE(SCTP_M_ITER);
MALLOC_DECLARE(SCTP_M_SOCKOPT);
#if defined(SCTP_LOCAL_TRACE_BUF)
#define SCTP_GET_CYCLECOUNT get_cyclecount()
#define SCTP_CTR6 sctp_log_trace
#else
#define SCTP_CTR6 CTR6
#endif
/* Empty ktr statement for _Userspace__ (similar to what is done for mac) */
#define CTR6(m, d, p1, p2, p3, p4, p5, p6)
#define SCTP_BASE_INFO(__m) system_base_info.sctppcbinfo.__m
#define SCTP_BASE_STATS system_base_info.sctpstat
#define SCTP_BASE_STAT(__m) system_base_info.sctpstat.__m
#define SCTP_BASE_SYSCTL(__m) system_base_info.sctpsysctl.__m
#define SCTP_BASE_VAR(__m) system_base_info.__m
/*
*
*/
#if !defined(__APPLE__)
#define USER_ADDR_NULL (NULL) /* FIX ME: temp */
#endif
#include <netinet/sctp_constants.h>
#if defined(SCTP_DEBUG)
#define SCTPDBG(level, ...) \
{ \
do { \
if (SCTP_BASE_SYSCTL(sctp_debug_on) & level) { \
SCTP_PRINTF(__VA_ARGS__); \
} \
} while (0); \
}
#define SCTPDBG_ADDR(level, addr) \
{ \
do { \
if (SCTP_BASE_SYSCTL(sctp_debug_on) & level ) { \
sctp_print_address(addr); \
} \
} while (0); \
}
#else
#define SCTPDBG(level, ...)
#define SCTPDBG_ADDR(level, addr)
#endif
#ifdef SCTP_LTRACE_CHUNKS
#define SCTP_LTRACE_CHK(a, b, c, d) if(sctp_logging_level & SCTP_LTRACE_CHUNK_ENABLE) CTR6(KTR_SUBSYS, "SCTP:%d[%d]:%x-%x-%x-%x", SCTP_LOG_CHUNK_PROC, 0, a, b, c, d)
#else
#define SCTP_LTRACE_CHK(a, b, c, d)
#endif
#ifdef SCTP_LTRACE_ERRORS
#define SCTP_LTRACE_ERR_RET_PKT(m, inp, stcb, net, file, err) \
if (sctp_logging_level & SCTP_LTRACE_ERROR_ENABLE) \
SCTP_PRINTF("mbuf:%p inp:%p stcb:%p net:%p file:%x line:%d error:%d\n", \
(void *)m, (void *)inp, (void *)stcb, (void *)net, file, __LINE__, err);
#define SCTP_LTRACE_ERR_RET(inp, stcb, net, file, err) \
if (sctp_logging_level & SCTP_LTRACE_ERROR_ENABLE) \
SCTP_PRINTF("inp:%p stcb:%p net:%p file:%x line:%d error:%d\n", \
(void *)inp, (void *)stcb, (void *)net, file, __LINE__, err);
#else
#define SCTP_LTRACE_ERR_RET_PKT(m, inp, stcb, net, file, err)
#define SCTP_LTRACE_ERR_RET(inp, stcb, net, file, err)
#endif
/*
* Local address and interface list handling
*/
#define SCTP_MAX_VRF_ID 0
#define SCTP_SIZE_OF_VRF_HASH 3
#define SCTP_IFNAMSIZ IFNAMSIZ
#define SCTP_DEFAULT_VRFID 0
#define SCTP_VRF_ADDR_HASH_SIZE 16
#define SCTP_VRF_IFN_HASH_SIZE 3
#define SCTP_INIT_VRF_TABLEID(vrf)
#if !defined(_WIN32)
#define SCTP_IFN_IS_IFT_LOOP(ifn) (strncmp((ifn)->ifn_name, "lo", 2) == 0)
/* BSD definition */
/* #define SCTP_ROUTE_IS_REAL_LOOP(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifa && (ro)->ro_rt->rt_ifa->ifa_ifp && (ro)->ro_rt->rt_ifa->ifa_ifp->if_type == IFT_LOOP) */
/* only used in IPv6 scenario, which isn't supported yet */
#define SCTP_ROUTE_IS_REAL_LOOP(ro) 0
/*
* Access to IFN's to help with src-addr-selection
*/
/* This could return VOID if the index works but for BSD we provide both. */
#define SCTP_GET_IFN_VOID_FROM_ROUTE(ro) (void *)ro->ro_rt->rt_ifp
#define SCTP_GET_IF_INDEX_FROM_ROUTE(ro) 1 /* compiles... TODO use routing socket to determine */
#define SCTP_ROUTE_HAS_VALID_IFN(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifp)
#endif
/*
* general memory allocation
*/
#define SCTP_MALLOC(var, type, size, name) \
do { \
MALLOC(var, type, size, name, M_NOWAIT); \
} while (0)
#define SCTP_FREE(var, type) FREE(var, type)
#define SCTP_MALLOC_SONAME(var, type, size) \
do { \
MALLOC(var, type, size, M_SONAME, (M_WAITOK | M_ZERO)); \
} while (0)
#define SCTP_FREE_SONAME(var) FREE(var, M_SONAME)
#define SCTP_PROCESS_STRUCT struct proc *
/*
* zone allocation functions
*/
#if defined(SCTP_SIMPLE_ALLOCATOR)
/*typedef size_t sctp_zone_t;*/
#define SCTP_ZONE_INIT(zone, name, size, number) { \
zone = size; \
}
/* __Userspace__ SCTP_ZONE_GET: allocate element from the zone */
#define SCTP_ZONE_GET(zone, type) \
(type *)malloc(zone);
/* __Userspace__ SCTP_ZONE_FREE: free element from the zone */
#define SCTP_ZONE_FREE(zone, element) { \
free(element); \
}
#define SCTP_ZONE_DESTROY(zone)
#else
/*__Userspace__
Compiling & linking notes: Needs libumem, which has been placed in ./user_lib
All userspace header files are in ./user_include. Makefile will need the
following.
CFLAGS = -I./ -Wall
LDFLAGS = -L./user_lib -R./user_lib -lumem
*/
#include "user_include/umem.h"
/* __Userspace__ SCTP_ZONE_INIT: initialize the zone */
/*
__Userspace__
No equivalent function to uma_zone_set_max added yet. (See SCTP_ZONE_INIT in sctp_os_bsd.h
for reference). It may not be required as mentioned in
http://nixdoc.net/man-pages/FreeBSD/uma_zalloc.9.html that
max limits may not enforced on systems with more than one CPU.
*/
#define SCTP_ZONE_INIT(zone, name, size, number) { \
zone = umem_cache_create(name, size, 0, NULL, NULL, NULL, NULL, NULL, 0); \
}
/* __Userspace__ SCTP_ZONE_GET: allocate element from the zone */
#define SCTP_ZONE_GET(zone, type) \
(type *)umem_cache_alloc(zone, UMEM_DEFAULT);
/* __Userspace__ SCTP_ZONE_FREE: free element from the zone */
#define SCTP_ZONE_FREE(zone, element) \
umem_cache_free(zone, element);
/* __Userspace__ SCTP_ZONE_DESTROY: destroy the zone */
#define SCTP_ZONE_DESTROY(zone) \
umem_cache_destroy(zone);
#endif
/*
* __Userspace__ Defining sctp_hashinit_flags() and sctp_hashdestroy() for userland.
*/
void *sctp_hashinit_flags(int elements, struct malloc_type *type,
u_long *hashmask, int flags);
void
sctp_hashdestroy(void *vhashtbl, struct malloc_type *type, u_long hashmask);
void
sctp_hashfreedestroy(void *vhashtbl, struct malloc_type *type, u_long hashmask);
#define HASH_NOWAIT 0x00000001
#define HASH_WAITOK 0x00000002
/* M_PCB is MALLOC_DECLARE'd in sys/socketvar.h */
#define SCTP_HASH_INIT(size, hashmark) sctp_hashinit_flags(size, M_PCB, hashmark, HASH_NOWAIT)
#define SCTP_HASH_FREE(table, hashmark) sctp_hashdestroy(table, M_PCB, hashmark)
#define SCTP_HASH_FREE_DESTROY(table, hashmark) sctp_hashfreedestroy(table, M_PCB, hashmark)
#define SCTP_M_COPYM m_copym
/*
* timers
*/
/* __Userspace__
* user_sctp_callout.h has typedef struct sctp_callout sctp_os_timer_t;
* which is used in the timer related functions such as
* SCTP_OS_TIMER_INIT etc.
*/
#include <netinet/sctp_callout.h>
/* __Userspace__ Creating a receive thread */
#include <user_recv_thread.h>
/*__Userspace__ defining KTR_SUBSYS 1 as done in sctp_os_macosx.h */
#define KTR_SUBSYS 1
/* The packed define for 64 bit platforms */
#if !defined(_WIN32)
#define SCTP_PACKED __attribute__((packed))
#define SCTP_UNUSED __attribute__((unused))
#else
#define SCTP_PACKED
#define SCTP_UNUSED
#endif
/*
* Functions
*/
/* Mbuf manipulation and access macros */
#define SCTP_BUF_LEN(m) (m->m_len)
#define SCTP_BUF_NEXT(m) (m->m_next)
#define SCTP_BUF_NEXT_PKT(m) (m->m_nextpkt)
#define SCTP_BUF_RESV_UF(m, size) m->m_data += size
#define SCTP_BUF_AT(m, size) m->m_data + size
#define SCTP_BUF_IS_EXTENDED(m) (m->m_flags & M_EXT)
#define SCTP_BUF_EXTEND_SIZE(m) (m->m_ext.ext_size)
#define SCTP_BUF_TYPE(m) (m->m_type)
#define SCTP_BUF_RECVIF(m) (m->m_pkthdr.rcvif)
#define SCTP_BUF_PREPEND M_PREPEND
#define SCTP_ALIGN_TO_END(m, len) if(m->m_flags & M_PKTHDR) { \
MH_ALIGN(m, len); \
} else if ((m->m_flags & M_EXT) == 0) { \
M_ALIGN(m, len); \
}
#if !defined(_WIN32)
#define SCTP_SNPRINTF(data, ...) \
if (snprintf(data, __VA_ARGS__) < 0) { \
data[0] = '\0'; \
}
#endif
/* We make it so if you have up to 4 threads
* writting based on the default size of
* the packet log 65 k, that would be
* 4 16k packets before we would hit
* a problem.
*/
#define SCTP_PKTLOG_WRITERS_NEED_LOCK 3
/*
* routes, output, etc.
*/
typedef struct sctp_route sctp_route_t;
typedef struct sctp_rtentry sctp_rtentry_t;
static inline void sctp_userspace_rtalloc(sctp_route_t *ro)
{
if (ro->ro_rt != NULL) {
ro->ro_rt->rt_refcnt++;
return;
}
ro->ro_rt = (sctp_rtentry_t *) malloc(sizeof(sctp_rtentry_t));
if (ro->ro_rt == NULL)
return;
/* initialize */
memset(ro->ro_rt, 0, sizeof(sctp_rtentry_t));
ro->ro_rt->rt_refcnt = 1;
/* set MTU */
/* TODO set this based on the ro->ro_dst, looking up MTU with routing socket */
#if 0
if (userspace_rawroute == -1) {
userspace_rawroute = socket(AF_ROUTE, SOCK_RAW, 0);
if (userspace_rawroute == -1)
return;
}
#endif
ro->ro_rt->rt_rmx.rmx_mtu = 1500; /* FIXME temporary solution */
/* TODO enable the ability to obtain interface index of route for
* SCTP_GET_IF_INDEX_FROM_ROUTE macro.
*/
}
#define SCTP_RTALLOC(ro, vrf_id, fibnum) sctp_userspace_rtalloc((sctp_route_t *)ro)
/* dummy rtfree needed once user_route.h is included */
static inline void sctp_userspace_rtfree(sctp_rtentry_t *rt)
{
if(rt == NULL) {
return;
}
if(--rt->rt_refcnt > 0) {
return;
}
free(rt);
}
#define rtfree(arg1) sctp_userspace_rtfree(arg1)
/*************************/
/* MTU */
/*************************/
int sctp_userspace_get_mtu_from_ifn(uint32_t if_index, int af);
#define SCTP_GATHER_MTU_FROM_IFN_INFO(ifn, ifn_index, af) sctp_userspace_get_mtu_from_ifn(ifn_index, af)
#define SCTP_GATHER_MTU_FROM_ROUTE(sctp_ifa, sa, rt) ((rt != NULL) ? rt->rt_rmx.rmx_mtu : 0)
#define SCTP_GATHER_MTU_FROM_INTFC(sctp_ifn) (sctp_ifn->ifn_mtu)
#define SCTP_SET_MTU_OF_ROUTE(sa, rt, mtu) do { \
if (rt != NULL) \
rt->rt_rmx.rmx_mtu = mtu; \
} while(0)
/*************************/
/* These are for logging */
/*************************/
/* return the base ext data pointer */
#define SCTP_BUF_EXTEND_BASE(m) (m->m_ext.ext_buf)
/* return the refcnt of the data pointer */
#define SCTP_BUF_EXTEND_REFCNT(m) (*m->m_ext.ref_cnt)
/* return any buffer related flags, this is
* used beyond logging for apple only.
*/
#define SCTP_BUF_GET_FLAGS(m) (m->m_flags)
/* For BSD this just accesses the M_PKTHDR length
* so it operates on an mbuf with hdr flag. Other
* O/S's may have seperate packet header and mbuf
* chain pointers.. thus the macro.
*/
#define SCTP_HEADER_TO_CHAIN(m) (m)
#define SCTP_DETACH_HEADER_FROM_CHAIN(m)
#define SCTP_HEADER_LEN(m) ((m)->m_pkthdr.len)
#define SCTP_GET_HEADER_FOR_OUTPUT(o_pak) 0
#define SCTP_RELEASE_HEADER(m)
#define SCTP_RELEASE_PKT(m) sctp_m_freem(m)
#define SCTP_GET_PKT_VRFID(m, vrf_id) ((vrf_id = SCTP_DEFAULT_VRFID) != SCTP_DEFAULT_VRFID)
/* Attach the chain of data into the sendable packet. */
#define SCTP_ATTACH_CHAIN(pak, m, packet_length) do { \
pak = m; \
pak->m_pkthdr.len = packet_length; \
} while(0)
/* Other m_pkthdr type things */
/* FIXME need real definitions */
#define SCTP_IS_IT_BROADCAST(dst, m) 0
/* OOTB only #define SCTP_IS_IT_BROADCAST(dst, m) ((m->m_flags & M_PKTHDR) ? in_broadcast(dst, m->m_pkthdr.rcvif) : 0) BSD def */
#define SCTP_IS_IT_LOOPBACK(m) 0
/* OOTB ONLY #define SCTP_IS_IT_LOOPBACK(m) ((m->m_flags & M_PKTHDR) && ((m->m_pkthdr.rcvif == NULL) || (m->m_pkthdr.rcvif->if_type == IFT_LOOP))) BSD def */
/* This converts any input packet header
* into the chain of data holders, for BSD
* its a NOP.
*/
/* get the v6 hop limit */
#define SCTP_GET_HLIM(inp, ro) 128
#define IPv6_HOP_LIMIT 128
/* is the endpoint v6only? */
#define SCTP_IPV6_V6ONLY(sctp_inpcb) ((sctp_inpcb)->ip_inp.inp.inp_flags & IN6P_IPV6_V6ONLY)
/* is the socket non-blocking? */
#define SCTP_SO_IS_NBIO(so) ((so)->so_state & SS_NBIO)
#define SCTP_SET_SO_NBIO(so) ((so)->so_state |= SS_NBIO)
#define SCTP_CLEAR_SO_NBIO(so) ((so)->so_state &= ~SS_NBIO)
/* get the socket type */
#define SCTP_SO_TYPE(so) ((so)->so_type)
/* reserve sb space for a socket */
#define SCTP_SORESERVE(so, send, recv) soreserve(so, send, recv)
/* wakeup a socket */
#define SCTP_SOWAKEUP(so) wakeup(&(so)->so_timeo, so)
/* clear the socket buffer state */
#define SCTP_SB_CLEAR(sb) \
(sb).sb_cc = 0; \
(sb).sb_mb = NULL; \
(sb).sb_mbcnt = 0;
#define SCTP_SB_LIMIT_RCV(so) so->so_rcv.sb_hiwat
#define SCTP_SB_LIMIT_SND(so) so->so_snd.sb_hiwat
#define SCTP_READ_RANDOM(buf, len) read_random(buf, len)
#define SCTP_SHA1_CTX struct sctp_sha1_context
#define SCTP_SHA1_INIT sctp_sha1_init
#define SCTP_SHA1_UPDATE sctp_sha1_update
#define SCTP_SHA1_FINAL(x,y) sctp_sha1_final((unsigned char *)x, y)
/* start OOTB only stuff */
/* TODO IFT_LOOP is in net/if_types.h on Linux */
#define IFT_LOOP 0x18
/* sctp_pcb.h */
#if defined(_WIN32)
#define SHUT_RD 1
#define SHUT_WR 2
#define SHUT_RDWR 3
#endif
#define PRU_FLUSH_RD SHUT_RD
#define PRU_FLUSH_WR SHUT_WR
#define PRU_FLUSH_RDWR SHUT_RDWR
/* netinet/ip_var.h defintions are behind an if defined for _KERNEL on FreeBSD */
#define IP_RAWOUTPUT 0x2
/* end OOTB only stuff */
#define AF_CONN 123
struct sockaddr_conn {
#ifdef HAVE_SCONN_LEN
uint8_t sconn_len;
uint8_t sconn_family;
#else
uint16_t sconn_family;
#endif
uint16_t sconn_port;
void *sconn_addr;
};
typedef void *(*start_routine_t)(void *);
extern int
sctp_userspace_thread_create(userland_thread_t *thread, start_routine_t start_routine);
void
sctp_userspace_set_threadname(const char *name);
/*
* SCTP protocol specific mbuf flags.
*/
#define M_NOTIFICATION M_PROTO5 /* SCTP notification */
/*
* IP output routines
*/
/* Defining SCTP_IP_ID macro.
In netinet/ip_output.c, we have u_short ip_id;
In netinet/ip_var.h, we have extern u_short ip_id; (enclosed within _KERNEL_)
See static __inline uint16_t ip_newid(void) in netinet/ip_var.h
*/
#define SCTP_IP_ID(inp) (ip_id)
/* need sctphdr to get port in SCTP_IP_OUTPUT. sctphdr defined in sctp.h */
#include <netinet/sctp.h>
extern void sctp_userspace_ip_output(int *result, struct mbuf *o_pak,
sctp_route_t *ro, void *stcb,
uint32_t vrf_id);
#define SCTP_IP_OUTPUT(result, o_pak, ro, stcb, vrf_id) sctp_userspace_ip_output(&result, o_pak, ro, stcb, vrf_id);
#if defined(INET6)
extern void sctp_userspace_ip6_output(int *result, struct mbuf *o_pak,
struct route_in6 *ro, void *stcb,
uint32_t vrf_id);
#define SCTP_IP6_OUTPUT(result, o_pak, ro, ifp, stcb, vrf_id) sctp_userspace_ip6_output(&result, o_pak, ro, stcb, vrf_id);
#endif
#if 0
#define SCTP_IP6_OUTPUT(result, o_pak, ro, ifp, stcb, vrf_id) \
{ \
if (stcb && stcb->sctp_ep) \
result = ip6_output(o_pak, \
((struct inpcb *)(stcb->sctp_ep))->in6p_outputopts, \
(ro), 0, 0, ifp, NULL); \
else \
result = ip6_output(o_pak, NULL, (ro), 0, 0, ifp, NULL); \
}
#endif
struct mbuf *
sctp_get_mbuf_for_msg(unsigned int space_needed, int want_header, int how, int allonebuf, int type);
/* with the current included files, this is defined in Linux but
* in FreeBSD, it is behind a _KERNEL in sys/socket.h ...
*/
#if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__native_client__)
/* stolen from /usr/include/sys/socket.h */
#define CMSG_ALIGN(n) _ALIGN(n)
#elif defined(__NetBSD__)
#define CMSG_ALIGN(n) (((n) + __ALIGNBYTES) & ~__ALIGNBYTES)
#elif defined(__APPLE__)
#if !defined(__DARWIN_ALIGNBYTES)
#define __DARWIN_ALIGNBYTES (sizeof(__darwin_size_t) - 1)
#endif
#if !defined(__DARWIN_ALIGN)
#define __DARWIN_ALIGN(p) ((__darwin_size_t)((char *)(uintptr_t)(p) + __DARWIN_ALIGNBYTES) &~ __DARWIN_ALIGNBYTES)
#endif
#if !defined(__DARWIN_ALIGNBYTES32)
#define __DARWIN_ALIGNBYTES32 (sizeof(__uint32_t) - 1)
#endif
#if !defined(__DARWIN_ALIGN32)
#define __DARWIN_ALIGN32(p) ((__darwin_size_t)((char *)(uintptr_t)(p) + __DARWIN_ALIGNBYTES32) &~ __DARWIN_ALIGNBYTES32)
#endif
#define CMSG_ALIGN(n) __DARWIN_ALIGN32(n)
#endif
#define I_AM_HERE \
do { \
SCTP_PRINTF("%s:%d at %s\n", __FILE__, __LINE__ , __func__); \
} while (0)
#ifndef timevalsub
#define timevalsub(tp1, tp2) \
do { \
(tp1)->tv_sec -= (tp2)->tv_sec; \
(tp1)->tv_usec -= (tp2)->tv_usec; \
if ((tp1)->tv_usec < 0) { \
(tp1)->tv_sec--; \
(tp1)->tv_usec += 1000000; \
} \
} while (0)
#endif
#if defined(__linux__)
#if !defined(TAILQ_FOREACH_SAFE)
#define TAILQ_FOREACH_SAFE(var, head, field, tvar) \
for ((var) = ((head)->tqh_first); \
(var) && ((tvar) = TAILQ_NEXT((var), field), 1); \
(var) = (tvar))
#endif
#if !defined(LIST_FOREACH_SAFE)
#define LIST_FOREACH_SAFE(var, head, field, tvar) \
for ((var) = ((head)->lh_first); \
(var) && ((tvar) = LIST_NEXT((var), field), 1); \
(var) = (tvar))
#endif
#endif
#if defined(__DragonFly__)
#define TAILQ_FOREACH_SAFE TAILQ_FOREACH_MUTABLE
#define LIST_FOREACH_SAFE LIST_FOREACH_MUTABLE
#endif
#if defined(__native_client__)
#define timercmp(tvp, uvp, cmp) \
(((tvp)->tv_sec == (uvp)->tv_sec) ? \
((tvp)->tv_usec cmp (uvp)->tv_usec) : \
((tvp)->tv_sec cmp (uvp)->tv_sec))
#endif
#define SCTP_IS_LISTENING(inp) ((inp->sctp_flags & SCTP_PCB_FLAGS_ACCEPTING) != 0)
#if defined(__APPLE__) || defined(__DragonFly__) || defined(__linux__) || defined(__native_client__) || defined(__NetBSD__) || defined(_WIN32) || defined(__Fuchsia__) || defined(__EMSCRIPTEN__)
int
timingsafe_bcmp(const void *, const void *, size_t);
#endif
#endif
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