diff options
Diffstat (limited to 'netwerk/sctp/src/user_recv_thread.c')
| -rwxr-xr-x | netwerk/sctp/src/user_recv_thread.c | 1524 |
1 files changed, 1524 insertions, 0 deletions
diff --git a/netwerk/sctp/src/user_recv_thread.c b/netwerk/sctp/src/user_recv_thread.c new file mode 100755 index 000000000..7b2ff5846 --- /dev/null +++ b/netwerk/sctp/src/user_recv_thread.c @@ -0,0 +1,1524 @@ +/*- + * Copyright (c) 2009-2010 Brad Penoff + * Copyright (c) 2009-2010 Humaira Kamal + * Copyright (c) 2011-2012 Irene Ruengeler + * Copyright (c) 2011-2012 Michael Tuexen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + * + */ + +#if defined(INET) || defined(INET6) +#include <sys/types.h> +#if !defined(__Userspace_os_Windows) +#include <sys/socket.h> +#include <netinet/in.h> +#include <unistd.h> +#include <pthread.h> +#if !defined(__Userspace_os_DragonFly) && !defined(__Userspace_os_FreeBSD) && !defined(__Userspace_os_NetBSD) +#include <sys/uio.h> +#else +#include <user_ip6_var.h> +#endif +#endif +#include <netinet/sctp_os.h> +#include <netinet/sctp_var.h> +#include <netinet/sctp_pcb.h> +#include <netinet/sctp_input.h> +#if 0 +#if defined(__Userspace_os_Linux) +#include <linux/netlink.h> +#ifdef HAVE_LINUX_IF_ADDR_H +#include <linux/if_addr.h> +#endif +#ifdef HAVE_LINUX_RTNETLINK_H +#include <linux/rtnetlink.h> +#endif +#endif +#endif +#if defined(__Userspace_os_Darwin) || defined(__Userspace_os_DragonFly) || defined(__Userspace_os_FreeBSD) +#include <net/route.h> +#endif +/* local macros and datatypes used to get IP addresses system independently */ +#if !defined(IP_PKTINFO ) && ! defined(IP_RECVDSTADDR) +# error "Can't determine socket option to use to get UDP IP" +#endif + +void recv_thread_destroy(void); +#define MAXLEN_MBUF_CHAIN 32 /* What should this value be? */ +#define ROUNDUP(a, size) (((a) & ((size)-1)) ? (1 + ((a) | ((size)-1))) : (a)) +#if defined(__Userspace_os_Darwin) || defined(__Userspace_os_DragonFly) || defined(__Userspace_os_FreeBSD) +#define NEXT_SA(ap) ap = (struct sockaddr *) \ + ((caddr_t) ap + (ap->sa_len ? ROUNDUP(ap->sa_len, sizeof (uint32_t)) : sizeof(uint32_t))) +#endif + +#if defined(__Userspace_os_Darwin) || defined(__Userspace_os_DragonFly) || defined(__Userspace_os_FreeBSD) +static void +sctp_get_rtaddrs(int addrs, struct sockaddr *sa, struct sockaddr **rti_info) +{ + int i; + + for (i = 0; i < RTAX_MAX; i++) { + if (addrs & (1 << i)) { + rti_info[i] = sa; + NEXT_SA(sa); + } else { + rti_info[i] = NULL; + } + } +} + +static void +sctp_handle_ifamsg(unsigned char type, unsigned short index, struct sockaddr *sa) +{ + int rc; + struct ifaddrs *ifa, *found_ifa = NULL; + + /* handle only the types we want */ + if ((type != RTM_NEWADDR) && (type != RTM_DELADDR)) { + return; + } + + rc = getifaddrs(&g_interfaces); + if (rc != 0) { + return; + } + for (ifa = g_interfaces; ifa; ifa = ifa->ifa_next) { + if (index == if_nametoindex(ifa->ifa_name)) { + found_ifa = ifa; + break; + } + } + if (found_ifa == NULL) { + return; + } + + switch (sa->sa_family) { +#ifdef INET + case AF_INET: + ifa->ifa_addr = (struct sockaddr *)malloc(sizeof(struct sockaddr_in)); + memcpy(ifa->ifa_addr, sa, sizeof(struct sockaddr_in)); + break; +#endif +#ifdef INET6 + case AF_INET6: + ifa->ifa_addr = (struct sockaddr *)malloc(sizeof(struct sockaddr_in6)); + memcpy(ifa->ifa_addr, sa, sizeof(struct sockaddr_in6)); + break; +#endif + default: + SCTPDBG(SCTP_DEBUG_USR, "Address family %d not supported.\n", sa->sa_family); + } + + /* relay the appropriate address change to the base code */ + if (type == RTM_NEWADDR) { + (void)sctp_add_addr_to_vrf(SCTP_DEFAULT_VRFID, ifa, if_nametoindex(ifa->ifa_name), + 0, + ifa->ifa_name, + (void *)ifa, + ifa->ifa_addr, + 0, + 1); + } else { + sctp_del_addr_from_vrf(SCTP_DEFAULT_VRFID, ifa->ifa_addr, + if_nametoindex(ifa->ifa_name), + ifa->ifa_name); + } +} + +static void * +recv_function_route(void *arg) +{ + ssize_t ret; + struct ifa_msghdr *ifa; + char rt_buffer[1024]; + struct sockaddr *sa, *rti_info[RTAX_MAX]; + + while (1) { + bzero(rt_buffer, sizeof(rt_buffer)); + ret = recv(SCTP_BASE_VAR(userspace_route), rt_buffer, sizeof(rt_buffer), 0); + + if (ret > 0) { + ifa = (struct ifa_msghdr *) rt_buffer; + if (ifa->ifam_type != RTM_DELADDR && ifa->ifam_type != RTM_NEWADDR) { + continue; + } + sa = (struct sockaddr *) (ifa + 1); + sctp_get_rtaddrs(ifa->ifam_addrs, sa, rti_info); + switch (ifa->ifam_type) { + case RTM_DELADDR: + case RTM_NEWADDR: + sctp_handle_ifamsg(ifa->ifam_type, ifa->ifam_index, rti_info[RTAX_IFA]); + break; + default: + /* ignore this routing event */ + break; + } + } + if (ret < 0) { + if (errno == EAGAIN) { + continue; + } else { + break; + } + } + } + return (NULL); +} +#endif + +#if 0 +/* This does not yet work on Linux */ +static void * +recv_function_route(void *arg) +{ + int len; + char buf[4096]; + struct iovec iov = { buf, sizeof(buf) }; + struct msghdr msg; + struct nlmsghdr *nh; + struct ifaddrmsg *rtmsg; + struct rtattr *rtatp; + struct in_addr *inp; + struct sockaddr_nl sanl; +#ifdef INET + struct sockaddr_in *sa; +#endif +#ifdef INET6 + struct sockaddr_in6 *sa6; +#endif + + for (;;) { + memset(&sanl, 0, sizeof(sanl)); + sanl.nl_family = AF_NETLINK; + sanl.nl_groups = RTMGRP_IPV6_IFADDR | RTMGRP_IPV4_IFADDR; + memset(&msg, 0, sizeof(struct msghdr)); + msg.msg_name = (void *)&sanl; + msg.msg_namelen = sizeof(sanl); + msg.msg_iov = &iov; + msg.msg_iovlen = 1; + msg.msg_control = NULL; + msg.msg_controllen = 0; + + len = recvmsg(SCTP_BASE_VAR(userspace_route), &msg, 0); + + if (len < 0) { + if (errno == EAGAIN) { + continue; + } else { + break; + } + } + for (nh = (struct nlmsghdr *) buf; NLMSG_OK (nh, len); + nh = NLMSG_NEXT (nh, len)) { + if (nh->nlmsg_type == NLMSG_DONE) + break; + + if (nh->nlmsg_type == RTM_NEWADDR || nh->nlmsg_type == RTM_DELADDR) { + rtmsg = (struct ifaddrmsg *)NLMSG_DATA(nh); + rtatp = (struct rtattr *)IFA_RTA(rtmsg); + if(rtatp->rta_type == IFA_ADDRESS) { + inp = (struct in_addr *)RTA_DATA(rtatp); + switch (rtmsg->ifa_family) { +#ifdef INET + case AF_INET: + sa = (struct sockaddr_in *)malloc(sizeof(struct sockaddr_in)); + sa->sin_family = rtmsg->ifa_family; + sa->sin_port = 0; + memcpy(&sa->sin_addr, inp, sizeof(struct in_addr)); + sctp_handle_ifamsg(nh->nlmsg_type, rtmsg->ifa_index, (struct sockaddr *)sa); + break; +#endif +#ifdef INET6 + case AF_INET6: + sa6 = (struct sockaddr_in6 *)malloc(sizeof(struct sockaddr_in6)); + sa6->sin6_family = rtmsg->ifa_family; + sa6->sin6_port = 0; + memcpy(&sa6->sin6_addr, inp, sizeof(struct in6_addr)); + sctp_handle_ifamsg(nh->nlmsg_type, rtmsg->ifa_index, (struct sockaddr *)sa6); + break; +#endif + default: + SCTPDBG(SCTP_DEBUG_USR, "Address family %d not supported.\n", rtmsg->ifa_family); + break; + } + } + } + } + } + return (NULL); +} +#endif + +#ifdef INET +static void * +recv_function_raw(void *arg) +{ + struct mbuf **recvmbuf; + struct ip *iphdr; + struct sctphdr *sh; + uint16_t port; + int offset, ecn = 0; +#if !defined(SCTP_WITH_NO_CSUM) + int compute_crc = 1; +#endif + struct sctp_chunkhdr *ch; + struct sockaddr_in src, dst; +#if !defined(__Userspace_os_Windows) + struct msghdr msg; + struct iovec recv_iovec[MAXLEN_MBUF_CHAIN]; +#else + WSABUF recv_iovec[MAXLEN_MBUF_CHAIN]; + int nResult, m_ErrorCode; + DWORD flags; + struct sockaddr_in from; + int fromlen; +#endif + + /*Initially the entire set of mbufs is to be allocated. + to_fill indicates this amount. */ + int to_fill = MAXLEN_MBUF_CHAIN; + /* iovlen is the size of each mbuf in the chain */ + int i, n, ncounter = 0; + int iovlen = MCLBYTES; + int want_ext = (iovlen > MLEN)? 1 : 0; + int want_header = 0; + + bzero((void *)&src, sizeof(struct sockaddr_in)); + bzero((void *)&dst, sizeof(struct sockaddr_in)); + + recvmbuf = malloc(sizeof(struct mbuf *) * MAXLEN_MBUF_CHAIN); + + while (1) { + for (i = 0; i < to_fill; i++) { + /* Not getting the packet header. Tests with chain of one run + as usual without having the packet header. + Have tried both sending and receiving + */ + recvmbuf[i] = sctp_get_mbuf_for_msg(iovlen, want_header, M_NOWAIT, want_ext, MT_DATA); +#if !defined(__Userspace_os_Windows) + recv_iovec[i].iov_base = (caddr_t)recvmbuf[i]->m_data; + recv_iovec[i].iov_len = iovlen; +#else + recv_iovec[i].buf = (caddr_t)recvmbuf[i]->m_data; + recv_iovec[i].len = iovlen; +#endif + } + to_fill = 0; +#if defined(__Userspace_os_Windows) + flags = 0; + ncounter = 0; + fromlen = sizeof(struct sockaddr_in); + bzero((void *)&from, sizeof(struct sockaddr_in)); + + nResult = WSARecvFrom(SCTP_BASE_VAR(userspace_rawsctp), recv_iovec, MAXLEN_MBUF_CHAIN, (LPDWORD)&ncounter, (LPDWORD)&flags, (struct sockaddr*)&from, &fromlen, NULL, NULL); + if (nResult != 0) { + m_ErrorCode = WSAGetLastError(); + if (m_ErrorCode == WSAETIMEDOUT) { + continue; + } + if ((m_ErrorCode == WSAENOTSOCK) || (m_ErrorCode == WSAEINTR)) { + break; + } + } + n = ncounter; +#else + bzero((void *)&msg, sizeof(struct msghdr)); + msg.msg_name = NULL; + msg.msg_namelen = 0; + msg.msg_iov = recv_iovec; + msg.msg_iovlen = MAXLEN_MBUF_CHAIN; + msg.msg_control = NULL; + msg.msg_controllen = 0; + ncounter = n = recvmsg(SCTP_BASE_VAR(userspace_rawsctp), &msg, 0); + if (n < 0) { + if (errno == EAGAIN) { + continue; + } else { + break; + } + } +#endif + SCTP_HEADER_LEN(recvmbuf[0]) = n; /* length of total packet */ + SCTP_STAT_INCR(sctps_recvpackets); + SCTP_STAT_INCR_COUNTER64(sctps_inpackets); + + if (n <= iovlen) { + SCTP_BUF_LEN(recvmbuf[0]) = n; + (to_fill)++; + } else { + i = 0; + SCTP_BUF_LEN(recvmbuf[0]) = iovlen; + + ncounter -= iovlen; + (to_fill)++; + do { + recvmbuf[i]->m_next = recvmbuf[i+1]; + SCTP_BUF_LEN(recvmbuf[i]->m_next) = min(ncounter, iovlen); + i++; + ncounter -= iovlen; + (to_fill)++; + } while (ncounter > 0); + } + + iphdr = mtod(recvmbuf[0], struct ip *); + sh = (struct sctphdr *)((caddr_t)iphdr + sizeof(struct ip)); + ch = (struct sctp_chunkhdr *)((caddr_t)sh + sizeof(struct sctphdr)); + offset = sizeof(struct ip) + sizeof(struct sctphdr); + + if (iphdr->ip_tos != 0) { + ecn = iphdr->ip_tos & 0x02; + } + + dst.sin_family = AF_INET; +#ifdef HAVE_SIN_LEN + dst.sin_len = sizeof(struct sockaddr_in); +#endif + dst.sin_addr = iphdr->ip_dst; + dst.sin_port = sh->dest_port; + + src.sin_family = AF_INET; +#ifdef HAVE_SIN_LEN + src.sin_len = sizeof(struct sockaddr_in); +#endif + src.sin_addr = iphdr->ip_src; + src.sin_port = sh->src_port; + + /* SCTP does not allow broadcasts or multicasts */ + if (IN_MULTICAST(ntohl(dst.sin_addr.s_addr))) { + return (NULL); + } + if (SCTP_IS_IT_BROADCAST(dst.sin_addr, recvmbuf[0])) { + return (NULL); + } + + port = 0; + +#if defined(SCTP_WITH_NO_CSUM) + SCTP_STAT_INCR(sctps_recvnocrc); +#else + if (src.sin_addr.s_addr == dst.sin_addr.s_addr) { + compute_crc = 0; + SCTP_STAT_INCR(sctps_recvnocrc); + } else { + SCTP_STAT_INCR(sctps_recvswcrc); + } +#endif + SCTPDBG(SCTP_DEBUG_USR, "%s: Received %d bytes.", __func__, n); + SCTPDBG(SCTP_DEBUG_USR, " - calling sctp_common_input_processing with off=%d\n", offset); + sctp_common_input_processing(&recvmbuf[0], sizeof(struct ip), offset, n, + (struct sockaddr *)&src, + (struct sockaddr *)&dst, + sh, ch, +#if !defined(SCTP_WITH_NO_CSUM) + compute_crc, +#endif + ecn, + SCTP_DEFAULT_VRFID, port); + if (recvmbuf[0]) { + m_freem(recvmbuf[0]); + } + } + for (i = 0; i < MAXLEN_MBUF_CHAIN; i++) { + m_free(recvmbuf[i]); + } + /* free the array itself */ + free(recvmbuf); + return (NULL); +} +#endif + +#if defined(INET6) +static void * +recv_function_raw6(void *arg) +{ + struct mbuf **recvmbuf6; +#if !defined(__Userspace_os_Windows) + struct iovec recv_iovec[MAXLEN_MBUF_CHAIN]; + struct msghdr msg; + struct cmsghdr *cmsgptr; + char cmsgbuf[CMSG_SPACE(sizeof (struct in6_pktinfo))]; +#else + WSABUF recv_iovec[MAXLEN_MBUF_CHAIN]; + int nResult, m_ErrorCode; + DWORD flags; + struct sockaddr_in6 from; + int fromlen; + GUID WSARecvMsg_GUID = WSAID_WSARECVMSG; + LPFN_WSARECVMSG WSARecvMsg; + WSACMSGHDR *cmsgptr; + WSAMSG msg; + char ControlBuffer[1024]; +#endif + struct sockaddr_in6 src, dst; + struct sctphdr *sh; + int offset; + struct sctp_chunkhdr *ch; + + /*Initially the entire set of mbufs is to be allocated. + to_fill indicates this amount. */ + int to_fill = MAXLEN_MBUF_CHAIN; + /* iovlen is the size of each mbuf in the chain */ + int i, n, ncounter = 0; +#if !defined(SCTP_WITH_NO_CSUM) + int compute_crc = 1; +#endif + int iovlen = MCLBYTES; + int want_ext = (iovlen > MLEN)? 1 : 0; + int want_header = 0; + + recvmbuf6 = malloc(sizeof(struct mbuf *) * MAXLEN_MBUF_CHAIN); + + for (;;) { + for (i = 0; i < to_fill; i++) { + /* Not getting the packet header. Tests with chain of one run + as usual without having the packet header. + Have tried both sending and receiving + */ + recvmbuf6[i] = sctp_get_mbuf_for_msg(iovlen, want_header, M_NOWAIT, want_ext, MT_DATA); +#if !defined(__Userspace_os_Windows) + recv_iovec[i].iov_base = (caddr_t)recvmbuf6[i]->m_data; + recv_iovec[i].iov_len = iovlen; +#else + recv_iovec[i].buf = (caddr_t)recvmbuf6[i]->m_data; + recv_iovec[i].len = iovlen; +#endif + } + to_fill = 0; +#if defined(__Userspace_os_Windows) + flags = 0; + ncounter = 0; + fromlen = sizeof(struct sockaddr_in6); + bzero((void *)&from, sizeof(struct sockaddr_in6)); + nResult = WSAIoctl(SCTP_BASE_VAR(userspace_rawsctp6), SIO_GET_EXTENSION_FUNCTION_POINTER, + &WSARecvMsg_GUID, sizeof WSARecvMsg_GUID, + &WSARecvMsg, sizeof WSARecvMsg, + &ncounter, NULL, NULL); + if (nResult == 0) { + msg.name = (void *)&src; + msg.namelen = sizeof(struct sockaddr_in6); + msg.lpBuffers = recv_iovec; + msg.dwBufferCount = MAXLEN_MBUF_CHAIN; + msg.Control.len = sizeof ControlBuffer; + msg.Control.buf = ControlBuffer; + msg.dwFlags = 0; + nResult = WSARecvMsg(SCTP_BASE_VAR(userspace_rawsctp6), &msg, &ncounter, NULL, NULL); + } + if (nResult != 0) { + m_ErrorCode = WSAGetLastError(); + if (m_ErrorCode == WSAETIMEDOUT) + continue; + if (m_ErrorCode == WSAENOTSOCK || m_ErrorCode == WSAEINTR) + break; + } + n = ncounter; +#else + bzero((void *)&msg, sizeof(struct msghdr)); + bzero((void *)&src, sizeof(struct sockaddr_in6)); + bzero((void *)&dst, sizeof(struct sockaddr_in6)); + bzero((void *)cmsgbuf, CMSG_SPACE(sizeof (struct in6_pktinfo))); + msg.msg_name = (void *)&src; + msg.msg_namelen = sizeof(struct sockaddr_in6); + msg.msg_iov = recv_iovec; + msg.msg_iovlen = MAXLEN_MBUF_CHAIN; + msg.msg_control = (void *)cmsgbuf; + msg.msg_controllen = (socklen_t)CMSG_LEN(sizeof (struct in6_pktinfo)); + msg.msg_flags = 0; + + ncounter = n = recvmsg(SCTP_BASE_VAR(userspace_rawsctp6), &msg, 0); + if (n < 0) { + if (errno == EAGAIN) { + continue; + } else { + break; + } + } +#endif + SCTP_HEADER_LEN(recvmbuf6[0]) = n; /* length of total packet */ + SCTP_STAT_INCR(sctps_recvpackets); + SCTP_STAT_INCR_COUNTER64(sctps_inpackets); + + if (n <= iovlen) { + SCTP_BUF_LEN(recvmbuf6[0]) = n; + (to_fill)++; + } else { + i = 0; + SCTP_BUF_LEN(recvmbuf6[0]) = iovlen; + + ncounter -= iovlen; + (to_fill)++; + do { + recvmbuf6[i]->m_next = recvmbuf6[i+1]; + SCTP_BUF_LEN(recvmbuf6[i]->m_next) = min(ncounter, iovlen); + i++; + ncounter -= iovlen; + (to_fill)++; + } while (ncounter > 0); + } + + for (cmsgptr = CMSG_FIRSTHDR(&msg); cmsgptr != NULL; cmsgptr = CMSG_NXTHDR(&msg, cmsgptr)) { + if ((cmsgptr->cmsg_level == IPPROTO_IPV6) && (cmsgptr->cmsg_type == IPV6_PKTINFO)) { + struct in6_pktinfo * info; + + info = (struct in6_pktinfo *)CMSG_DATA(cmsgptr); + memcpy((void *)&dst.sin6_addr, (const void *) &(info->ipi6_addr), sizeof(struct in6_addr)); + break; + } + } + + sh = mtod(recvmbuf6[0], struct sctphdr *); + ch = (struct sctp_chunkhdr *)((caddr_t)sh + sizeof(struct sctphdr)); + offset = sizeof(struct sctphdr); + + dst.sin6_family = AF_INET6; +#ifdef HAVE_SIN6_LEN + dst.sin6_len = sizeof(struct sockaddr_in6); +#endif + dst.sin6_port = sh->dest_port; + + src.sin6_family = AF_INET6; +#ifdef HAVE_SIN6_LEN + src.sin6_len = sizeof(struct sockaddr_in6); +#endif + src.sin6_port = sh->src_port; +#if defined(SCTP_WITH_NO_CSUM) + SCTP_STAT_INCR(sctps_recvnocrc); +#else + if (memcmp(&src.sin6_addr, &dst.sin6_addr, sizeof(struct in6_addr)) == 0) { + compute_crc = 0; + SCTP_STAT_INCR(sctps_recvnocrc); + } else { + SCTP_STAT_INCR(sctps_recvswcrc); + } +#endif + SCTPDBG(SCTP_DEBUG_USR, "%s: Received %d bytes.", __func__, n); + SCTPDBG(SCTP_DEBUG_USR, " - calling sctp_common_input_processing with off=%d\n", offset); + sctp_common_input_processing(&recvmbuf6[0], 0, offset, n, + (struct sockaddr *)&src, + (struct sockaddr *)&dst, + sh, ch, +#if !defined(SCTP_WITH_NO_CSUM) + compute_crc, +#endif + 0, + SCTP_DEFAULT_VRFID, 0); + if (recvmbuf6[0]) { + m_freem(recvmbuf6[0]); + } + } + for (i = 0; i < MAXLEN_MBUF_CHAIN; i++) { + m_free(recvmbuf6[i]); + } + /* free the array itself */ + free(recvmbuf6); + return (NULL); +} +#endif + +#ifdef INET +static void * +recv_function_udp(void *arg) +{ + struct mbuf **udprecvmbuf; + /*Initially the entire set of mbufs is to be allocated. + to_fill indicates this amount. */ + int to_fill = MAXLEN_MBUF_CHAIN; + /* iovlen is the size of each mbuf in the chain */ + int i, n, ncounter, offset; + int iovlen = MCLBYTES; + int want_ext = (iovlen > MLEN)? 1 : 0; + int want_header = 0; + struct sctphdr *sh; + uint16_t port; + struct sctp_chunkhdr *ch; + struct sockaddr_in src, dst; +#if defined(IP_PKTINFO) + char cmsgbuf[CMSG_SPACE(sizeof(struct in_pktinfo))]; +#else + char cmsgbuf[CMSG_SPACE(sizeof(struct in_addr))]; +#endif +#if !defined(SCTP_WITH_NO_CSUM) + int compute_crc = 1; +#endif +#if !defined(__Userspace_os_Windows) + struct iovec iov[MAXLEN_MBUF_CHAIN]; + struct msghdr msg; + struct cmsghdr *cmsgptr; +#else + GUID WSARecvMsg_GUID = WSAID_WSARECVMSG; + LPFN_WSARECVMSG WSARecvMsg; + char ControlBuffer[1024]; + WSABUF iov[MAXLEN_MBUF_CHAIN]; + WSAMSG msg; + int nResult, m_ErrorCode; + WSACMSGHDR *cmsgptr; +#endif + + udprecvmbuf = malloc(sizeof(struct mbuf *) * MAXLEN_MBUF_CHAIN); + + while (1) { + for (i = 0; i < to_fill; i++) { + /* Not getting the packet header. Tests with chain of one run + as usual without having the packet header. + Have tried both sending and receiving + */ + udprecvmbuf[i] = sctp_get_mbuf_for_msg(iovlen, want_header, M_NOWAIT, want_ext, MT_DATA); +#if !defined(__Userspace_os_Windows) + iov[i].iov_base = (caddr_t)udprecvmbuf[i]->m_data; + iov[i].iov_len = iovlen; +#else + iov[i].buf = (caddr_t)udprecvmbuf[i]->m_data; + iov[i].len = iovlen; +#endif + } + to_fill = 0; +#if !defined(__Userspace_os_Windows) + bzero((void *)&msg, sizeof(struct msghdr)); +#else + bzero((void *)&msg, sizeof(WSAMSG)); +#endif + bzero((void *)&src, sizeof(struct sockaddr_in)); + bzero((void *)&dst, sizeof(struct sockaddr_in)); + bzero((void *)cmsgbuf, sizeof(cmsgbuf)); + +#if !defined(__Userspace_os_Windows) + msg.msg_name = (void *)&src; + msg.msg_namelen = sizeof(struct sockaddr_in); + msg.msg_iov = iov; + msg.msg_iovlen = MAXLEN_MBUF_CHAIN; + msg.msg_control = (void *)cmsgbuf; + msg.msg_controllen = sizeof(cmsgbuf); + msg.msg_flags = 0; + + ncounter = n = recvmsg(SCTP_BASE_VAR(userspace_udpsctp), &msg, 0); + if (n < 0) { + if (errno == EAGAIN) { + continue; + } else { + break; + } + } +#else + nResult = WSAIoctl(SCTP_BASE_VAR(userspace_udpsctp), SIO_GET_EXTENSION_FUNCTION_POINTER, + &WSARecvMsg_GUID, sizeof WSARecvMsg_GUID, + &WSARecvMsg, sizeof WSARecvMsg, + &ncounter, NULL, NULL); + if (nResult == 0) { + msg.name = (void *)&src; + msg.namelen = sizeof(struct sockaddr_in); + msg.lpBuffers = iov; + msg.dwBufferCount = MAXLEN_MBUF_CHAIN; + msg.Control.len = sizeof ControlBuffer; + msg.Control.buf = ControlBuffer; + msg.dwFlags = 0; + nResult = WSARecvMsg(SCTP_BASE_VAR(userspace_udpsctp), &msg, &ncounter, NULL, NULL); + } + if (nResult != 0) { + m_ErrorCode = WSAGetLastError(); + if (m_ErrorCode == WSAETIMEDOUT) { + continue; + } + if ((m_ErrorCode == WSAENOTSOCK) || (m_ErrorCode == WSAEINTR)) { + break; + } + } + n = ncounter; +#endif + SCTP_HEADER_LEN(udprecvmbuf[0]) = n; /* length of total packet */ + SCTP_STAT_INCR(sctps_recvpackets); + SCTP_STAT_INCR_COUNTER64(sctps_inpackets); + + if (n <= iovlen) { + SCTP_BUF_LEN(udprecvmbuf[0]) = n; + (to_fill)++; + } else { + i = 0; + SCTP_BUF_LEN(udprecvmbuf[0]) = iovlen; + + ncounter -= iovlen; + (to_fill)++; + do { + udprecvmbuf[i]->m_next = udprecvmbuf[i+1]; + SCTP_BUF_LEN(udprecvmbuf[i]->m_next) = min(ncounter, iovlen); + i++; + ncounter -= iovlen; + (to_fill)++; + } while (ncounter > 0); + } + + for (cmsgptr = CMSG_FIRSTHDR(&msg); cmsgptr != NULL; cmsgptr = CMSG_NXTHDR(&msg, cmsgptr)) { +#if defined(IP_PKTINFO) + if ((cmsgptr->cmsg_level == IPPROTO_IP) && (cmsgptr->cmsg_type == IP_PKTINFO)) { + struct in_pktinfo *info; + + dst.sin_family = AF_INET; +#ifdef HAVE_SIN_LEN + dst.sin_len = sizeof(struct sockaddr_in); +#endif + info = (struct in_pktinfo *)CMSG_DATA(cmsgptr); + memcpy((void *)&dst.sin_addr, (const void *)&(info->ipi_addr), sizeof(struct in_addr)); + break; + } +#else + if ((cmsgptr->cmsg_level == IPPROTO_IP) && (cmsgptr->cmsg_type == IP_RECVDSTADDR)) { + struct in_addr *addr; + + dst.sin_family = AF_INET; +#ifdef HAVE_SIN_LEN + dst.sin_len = sizeof(struct sockaddr_in); +#endif + addr = (struct in_addr *)CMSG_DATA(cmsgptr); + memcpy((void *)&dst.sin_addr, (const void *)addr, sizeof(struct in_addr)); + break; + } +#endif + } + + /* SCTP does not allow broadcasts or multicasts */ + if (IN_MULTICAST(ntohl(dst.sin_addr.s_addr))) { + return (NULL); + } + if (SCTP_IS_IT_BROADCAST(dst.sin_addr, udprecvmbuf[0])) { + return (NULL); + } + + /*offset = sizeof(struct sctphdr) + sizeof(struct sctp_chunkhdr);*/ + sh = mtod(udprecvmbuf[0], struct sctphdr *); + ch = (struct sctp_chunkhdr *)((caddr_t)sh + sizeof(struct sctphdr)); + offset = sizeof(struct sctphdr); + port = src.sin_port; + src.sin_port = sh->src_port; + dst.sin_port = sh->dest_port; +#if defined(SCTP_WITH_NO_CSUM) + SCTP_STAT_INCR(sctps_recvnocrc); +#else + if (src.sin_addr.s_addr == dst.sin_addr.s_addr) { + compute_crc = 0; + SCTP_STAT_INCR(sctps_recvnocrc); + } else { + SCTP_STAT_INCR(sctps_recvswcrc); + } +#endif + SCTPDBG(SCTP_DEBUG_USR, "%s: Received %d bytes.", __func__, n); + SCTPDBG(SCTP_DEBUG_USR, " - calling sctp_common_input_processing with off=%d\n", offset); + sctp_common_input_processing(&udprecvmbuf[0], 0, offset, n, + (struct sockaddr *)&src, + (struct sockaddr *)&dst, + sh, ch, +#if !defined(SCTP_WITH_NO_CSUM) + compute_crc, +#endif + 0, + SCTP_DEFAULT_VRFID, port); + if (udprecvmbuf[0]) { + m_freem(udprecvmbuf[0]); + } + } + for (i = 0; i < MAXLEN_MBUF_CHAIN; i++) { + m_free(udprecvmbuf[i]); + } + /* free the array itself */ + free(udprecvmbuf); + return (NULL); +} +#endif + +#if defined(INET6) +static void * +recv_function_udp6(void *arg) +{ + struct mbuf **udprecvmbuf6; + /*Initially the entire set of mbufs is to be allocated. + to_fill indicates this amount. */ + int to_fill = MAXLEN_MBUF_CHAIN; + /* iovlen is the size of each mbuf in the chain */ + int i, n, ncounter, offset; + int iovlen = MCLBYTES; + int want_ext = (iovlen > MLEN)? 1 : 0; + int want_header = 0; + struct sockaddr_in6 src, dst; + struct sctphdr *sh; + uint16_t port; + struct sctp_chunkhdr *ch; + char cmsgbuf[CMSG_SPACE(sizeof (struct in6_pktinfo))]; +#if !defined(SCTP_WITH_NO_CSUM) + int compute_crc = 1; +#endif +#if !defined(__Userspace_os_Windows) + struct iovec iov[MAXLEN_MBUF_CHAIN]; + struct msghdr msg; + struct cmsghdr *cmsgptr; +#else + GUID WSARecvMsg_GUID = WSAID_WSARECVMSG; + LPFN_WSARECVMSG WSARecvMsg; + char ControlBuffer[1024]; + WSABUF iov[MAXLEN_MBUF_CHAIN]; + WSAMSG msg; + int nResult, m_ErrorCode; + WSACMSGHDR *cmsgptr; +#endif + + udprecvmbuf6 = malloc(sizeof(struct mbuf *) * MAXLEN_MBUF_CHAIN); + while (1) { + for (i = 0; i < to_fill; i++) { + /* Not getting the packet header. Tests with chain of one run + as usual without having the packet header. + Have tried both sending and receiving + */ + udprecvmbuf6[i] = sctp_get_mbuf_for_msg(iovlen, want_header, M_NOWAIT, want_ext, MT_DATA); +#if !defined(__Userspace_os_Windows) + iov[i].iov_base = (caddr_t)udprecvmbuf6[i]->m_data; + iov[i].iov_len = iovlen; +#else + iov[i].buf = (caddr_t)udprecvmbuf6[i]->m_data; + iov[i].len = iovlen; +#endif + } + to_fill = 0; + +#if !defined(__Userspace_os_Windows) + bzero((void *)&msg, sizeof(struct msghdr)); +#else + bzero((void *)&msg, sizeof(WSAMSG)); +#endif + bzero((void *)&src, sizeof(struct sockaddr_in6)); + bzero((void *)&dst, sizeof(struct sockaddr_in6)); + bzero((void *)cmsgbuf, CMSG_SPACE(sizeof (struct in6_pktinfo))); + +#if !defined(__Userspace_os_Windows) + msg.msg_name = (void *)&src; + msg.msg_namelen = sizeof(struct sockaddr_in6); + msg.msg_iov = iov; + msg.msg_iovlen = MAXLEN_MBUF_CHAIN; + msg.msg_control = (void *)cmsgbuf; + msg.msg_controllen = (socklen_t)CMSG_LEN(sizeof (struct in6_pktinfo)); + msg.msg_flags = 0; + + ncounter = n = recvmsg(SCTP_BASE_VAR(userspace_udpsctp6), &msg, 0); + if (n < 0) { + if (errno == EAGAIN) { + continue; + } else { + break; + } + } +#else + nResult = WSAIoctl(SCTP_BASE_VAR(userspace_udpsctp6), SIO_GET_EXTENSION_FUNCTION_POINTER, + &WSARecvMsg_GUID, sizeof WSARecvMsg_GUID, + &WSARecvMsg, sizeof WSARecvMsg, + &ncounter, NULL, NULL); + if (nResult == SOCKET_ERROR) { + m_ErrorCode = WSAGetLastError(); + WSARecvMsg = NULL; + } + if (nResult == 0) { + msg.name = (void *)&src; + msg.namelen = sizeof(struct sockaddr_in6); + msg.lpBuffers = iov; + msg.dwBufferCount = MAXLEN_MBUF_CHAIN; + msg.Control.len = sizeof ControlBuffer; + msg.Control.buf = ControlBuffer; + msg.dwFlags = 0; + nResult = WSARecvMsg(SCTP_BASE_VAR(userspace_udpsctp6), &msg, &ncounter, NULL, NULL); + } + if (nResult != 0) { + m_ErrorCode = WSAGetLastError(); + if (m_ErrorCode == WSAETIMEDOUT) { + continue; + } + if ((m_ErrorCode == WSAENOTSOCK) || (m_ErrorCode == WSAEINTR)) { + break; + } + } + n = ncounter; +#endif + SCTP_HEADER_LEN(udprecvmbuf6[0]) = n; /* length of total packet */ + SCTP_STAT_INCR(sctps_recvpackets); + SCTP_STAT_INCR_COUNTER64(sctps_inpackets); + + if (n <= iovlen) { + SCTP_BUF_LEN(udprecvmbuf6[0]) = n; + (to_fill)++; + } else { + i = 0; + SCTP_BUF_LEN(udprecvmbuf6[0]) = iovlen; + + ncounter -= iovlen; + (to_fill)++; + do { + udprecvmbuf6[i]->m_next = udprecvmbuf6[i+1]; + SCTP_BUF_LEN(udprecvmbuf6[i]->m_next) = min(ncounter, iovlen); + i++; + ncounter -= iovlen; + (to_fill)++; + } while (ncounter > 0); + } + + for (cmsgptr = CMSG_FIRSTHDR(&msg); cmsgptr != NULL; cmsgptr = CMSG_NXTHDR(&msg, cmsgptr)) { + if ((cmsgptr->cmsg_level == IPPROTO_IPV6) && (cmsgptr->cmsg_type == IPV6_PKTINFO)) { + struct in6_pktinfo *info; + + dst.sin6_family = AF_INET6; +#ifdef HAVE_SIN6_LEN + dst.sin6_len = sizeof(struct sockaddr_in6); +#endif + info = (struct in6_pktinfo *)CMSG_DATA(cmsgptr); + /*dst.sin6_port = htons(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port));*/ + memcpy((void *)&dst.sin6_addr, (const void *)&(info->ipi6_addr), sizeof(struct in6_addr)); + } + } + + /* SCTP does not allow broadcasts or multicasts */ + if (IN6_IS_ADDR_MULTICAST(&dst.sin6_addr)) { + return (NULL); + } + + sh = mtod(udprecvmbuf6[0], struct sctphdr *); + ch = (struct sctp_chunkhdr *)((caddr_t)sh + sizeof(struct sctphdr)); + offset = sizeof(struct sctphdr); + + port = src.sin6_port; + src.sin6_port = sh->src_port; + dst.sin6_port = sh->dest_port; +#if defined(SCTP_WITH_NO_CSUM) + SCTP_STAT_INCR(sctps_recvnocrc); +#else + if ((memcmp(&src.sin6_addr, &dst.sin6_addr, sizeof(struct in6_addr)) == 0)) { + compute_crc = 0; + SCTP_STAT_INCR(sctps_recvnocrc); + } else { + SCTP_STAT_INCR(sctps_recvswcrc); + } +#endif + SCTPDBG(SCTP_DEBUG_USR, "%s: Received %d bytes.", __func__, n); + SCTPDBG(SCTP_DEBUG_USR, " - calling sctp_common_input_processing with off=%d\n", (int)sizeof(struct sctphdr)); + sctp_common_input_processing(&udprecvmbuf6[0], 0, offset, n, + (struct sockaddr *)&src, + (struct sockaddr *)&dst, + sh, ch, +#if !defined(SCTP_WITH_NO_CSUM) + compute_crc, +#endif + 0, + SCTP_DEFAULT_VRFID, port); + if (udprecvmbuf6[0]) { + m_freem(udprecvmbuf6[0]); + } + } + for (i = 0; i < MAXLEN_MBUF_CHAIN; i++) { + m_free(udprecvmbuf6[i]); + } + /* free the array itself */ + free(udprecvmbuf6); + return (NULL); +} +#endif + +static void +setReceiveBufferSize(int sfd, int new_size) +{ + int ch = new_size; + + if (setsockopt (sfd, SOL_SOCKET, SO_RCVBUF, (void*)&ch, sizeof(ch)) < 0) { +#if defined (__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set recv-buffers size (errno = %d).\n", WSAGetLastError()); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set recv-buffers size (errno = %d).\n", errno); +#endif + } + return; +} + +static void +setSendBufferSize(int sfd, int new_size) +{ + int ch = new_size; + + if (setsockopt (sfd, SOL_SOCKET, SO_SNDBUF, (void*)&ch, sizeof(ch)) < 0) { +#if defined (__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set send-buffers size (errno = %d).\n", WSAGetLastError()); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set send-buffers size (errno = %d).\n", errno); +#endif + } + return; +} + +#define SOCKET_TIMEOUT 100 /* in ms */ +void +recv_thread_init(void) +{ +#if defined(INET) + struct sockaddr_in addr_ipv4; + const int hdrincl = 1; +#endif +#if defined(INET6) + struct sockaddr_in6 addr_ipv6; +#endif +#if defined(INET) || defined(INET6) + const int on = 1; +#endif +#if !defined(__Userspace_os_Windows) + struct timeval timeout; + + timeout.tv_sec = (SOCKET_TIMEOUT / 1000); + timeout.tv_usec = (SOCKET_TIMEOUT % 1000) * 1000; +#else + unsigned int timeout = SOCKET_TIMEOUT; /* Timeout in milliseconds */ +#endif +#if defined(__Userspace_os_Darwin) || defined(__Userspace_os_DragonFly) || defined(__Userspace_os_FreeBSD) + if (SCTP_BASE_VAR(userspace_route) == -1) { + if ((SCTP_BASE_VAR(userspace_route) = socket(AF_ROUTE, SOCK_RAW, 0)) < 0) { + SCTPDBG(SCTP_DEBUG_USR, "Can't create routing socket (errno = %d).\n", errno); + } +#if 0 + struct sockaddr_nl sanl; + + if ((SCTP_BASE_VAR(userspace_route) = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE)) < 0) { + SCTPDBG(SCTP_DEBUG_USR, "Can't create routing socket (errno = %d.\n", errno); + } + memset(&sanl, 0, sizeof(sanl)); + sanl.nl_family = AF_NETLINK; + sanl.nl_groups = 0; +#ifdef INET + sanl.nl_groups |= RTMGRP_IPV4_IFADDR; +#endif +#ifdef INET6 + sanl.nl_groups |= RTMGRP_IPV6_IFADDR; +#endif + if (bind(SCTP_BASE_VAR(userspace_route), (struct sockaddr *) &sanl, sizeof(sanl)) < 0) { + SCTPDBG(SCTP_DEBUG_USR, "Can't bind routing socket (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_route)); + SCTP_BASE_VAR(userspace_route) = -1; + } +#endif + if (SCTP_BASE_VAR(userspace_route) != -1) { + if (setsockopt(SCTP_BASE_VAR(userspace_route), SOL_SOCKET, SO_RCVTIMEO,(const void*)&timeout, sizeof(struct timeval)) < 0) { + SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on routing socket (errno = %d).\n", errno); +#if defined(__Userspace_os_Windows) + closesocket(SCTP_BASE_VAR(userspace_route)); +#else + close(SCTP_BASE_VAR(userspace_route)); +#endif + SCTP_BASE_VAR(userspace_route) = -1; + } + } + } +#endif +#if defined(INET) + if (SCTP_BASE_VAR(userspace_rawsctp) == -1) { + if ((SCTP_BASE_VAR(userspace_rawsctp) = socket(AF_INET, SOCK_RAW, IPPROTO_SCTP)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't create raw socket for IPv4 (errno = %d).\n", WSAGetLastError()); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't create raw socket for IPv4 (errno = %d).\n", errno); +#endif + } else { + /* complete setting up the raw SCTP socket */ + if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp), IPPROTO_IP, IP_HDRINCL,(const void*)&hdrincl, sizeof(int)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_HDRINCL (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_rawsctp)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_HDRINCL (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_rawsctp)); +#endif + SCTP_BASE_VAR(userspace_rawsctp) = -1; + } else if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp), SOL_SOCKET, SO_RCVTIMEO, (const void *)&timeout, sizeof(timeout)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/IPv4 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_rawsctp)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/IPv4 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_rawsctp)); +#endif + SCTP_BASE_VAR(userspace_rawsctp) = -1; + } else { + memset((void *)&addr_ipv4, 0, sizeof(struct sockaddr_in)); +#ifdef HAVE_SIN_LEN + addr_ipv4.sin_len = sizeof(struct sockaddr_in); +#endif + addr_ipv4.sin_family = AF_INET; + addr_ipv4.sin_port = htons(0); + addr_ipv4.sin_addr.s_addr = htonl(INADDR_ANY); + if (bind(SCTP_BASE_VAR(userspace_rawsctp), (const struct sockaddr *)&addr_ipv4, sizeof(struct sockaddr_in)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/IPv4 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_rawsctp)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/IPv4 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_rawsctp)); +#endif + SCTP_BASE_VAR(userspace_rawsctp) = -1; + } else { + setReceiveBufferSize(SCTP_BASE_VAR(userspace_rawsctp), SB_RAW); /* 128K */ + setSendBufferSize(SCTP_BASE_VAR(userspace_rawsctp), SB_RAW); /* 128K Is this setting net.inet.raw.maxdgram value? Should it be set to 64K? */ + } + } + } + } + if (SCTP_BASE_VAR(userspace_udpsctp) == -1) { + if ((SCTP_BASE_VAR(userspace_udpsctp) = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/UDP/IPv4 (errno = %d).\n", WSAGetLastError()); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/UDP/IPv4 (errno = %d).\n", errno); +#endif + } else { +#if defined(IP_PKTINFO) + if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp), IPPROTO_IP, IP_PKTINFO, (const void *)&on, (int)sizeof(int)) < 0) { +#else + if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp), IPPROTO_IP, IP_RECVDSTADDR, (const void *)&on, (int)sizeof(int)) < 0) { +#endif +#if defined(__Userspace_os_Windows) +#if defined(IP_PKTINFO) + SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_PKTINFO on socket for SCTP/UDP/IPv4 (errno = %d).\n", WSAGetLastError()); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_RECVDSTADDR on socket for SCTP/UDP/IPv4 (errno = %d).\n", WSAGetLastError()); +#endif + closesocket(SCTP_BASE_VAR(userspace_udpsctp)); +#else +#if defined(IP_PKTINFO) + SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_PKTINFO on socket for SCTP/UDP/IPv4 (errno = %d).\n", errno); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set IP_RECVDSTADDR on socket for SCTP/UDP/IPv4 (errno = %d).\n", errno); +#endif + close(SCTP_BASE_VAR(userspace_udpsctp)); +#endif + SCTP_BASE_VAR(userspace_udpsctp) = -1; + } else if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp), SOL_SOCKET, SO_RCVTIMEO, (const void *)&timeout, sizeof(timeout)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/UDP/IPv4 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_udpsctp)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/UDP/IPv4 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_udpsctp)); +#endif + SCTP_BASE_VAR(userspace_udpsctp) = -1; + } else { + memset((void *)&addr_ipv4, 0, sizeof(struct sockaddr_in)); +#ifdef HAVE_SIN_LEN + addr_ipv4.sin_len = sizeof(struct sockaddr_in); +#endif + addr_ipv4.sin_family = AF_INET; + addr_ipv4.sin_port = htons(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)); + addr_ipv4.sin_addr.s_addr = htonl(INADDR_ANY); + if (bind(SCTP_BASE_VAR(userspace_udpsctp), (const struct sockaddr *)&addr_ipv4, sizeof(struct sockaddr_in)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/UDP/IPv4 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_udpsctp)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/UDP/IPv4 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_udpsctp)); +#endif + SCTP_BASE_VAR(userspace_udpsctp) = -1; + } else { + setReceiveBufferSize(SCTP_BASE_VAR(userspace_udpsctp), SB_RAW); /* 128K */ + setSendBufferSize(SCTP_BASE_VAR(userspace_udpsctp), SB_RAW); /* 128K Is this setting net.inet.raw.maxdgram value? Should it be set to 64K? */ + } + } + } + } +#endif +#if defined(INET6) + if (SCTP_BASE_VAR(userspace_rawsctp6) == -1) { + if ((SCTP_BASE_VAR(userspace_rawsctp6) = socket(AF_INET6, SOCK_RAW, IPPROTO_SCTP)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError()); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/IPv6 (errno = %d).\n", errno); +#endif + } else { + /* complete setting up the raw SCTP socket */ +#if defined(IPV6_RECVPKTINFO) + if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp6), IPPROTO_IPV6, IPV6_RECVPKTINFO, (const void *)&on, sizeof(on)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_RECVPKTINFO on socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_rawsctp6)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_RECVPKTINFO on socket for SCTP/IPv6 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_rawsctp6)); +#endif + SCTP_BASE_VAR(userspace_rawsctp6) = -1; + } else { +#else + if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp6), IPPROTO_IPV6, IPV6_PKTINFO,(const void*)&on, sizeof(on)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_PKTINFO on socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_rawsctp6)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_PKTINFO on socket for SCTP/IPv6 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_rawsctp6)); +#endif + SCTP_BASE_VAR(userspace_rawsctp6) = -1; + } else { +#endif + if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp6), IPPROTO_IPV6, IPV6_V6ONLY, (const void*)&on, (socklen_t)sizeof(on)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_V6ONLY on socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError()); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_V6ONLY on socket for SCTP/IPv6 (errno = %d).\n", errno); +#endif + } + if (setsockopt(SCTP_BASE_VAR(userspace_rawsctp6), SOL_SOCKET, SO_RCVTIMEO, (const void *)&timeout, sizeof(timeout)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_rawsctp6)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/IPv6 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_rawsctp6)); +#endif + SCTP_BASE_VAR(userspace_rawsctp6) = -1; + } else { + memset((void *)&addr_ipv6, 0, sizeof(struct sockaddr_in6)); +#ifdef HAVE_SIN6_LEN + addr_ipv6.sin6_len = sizeof(struct sockaddr_in6); +#endif + addr_ipv6.sin6_family = AF_INET6; + addr_ipv6.sin6_port = htons(0); + addr_ipv6.sin6_addr = in6addr_any; + if (bind(SCTP_BASE_VAR(userspace_rawsctp6), (const struct sockaddr *)&addr_ipv6, sizeof(struct sockaddr_in6)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/IPv6 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_rawsctp6)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/IPv6 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_rawsctp6)); +#endif + SCTP_BASE_VAR(userspace_rawsctp6) = -1; + } else { + setReceiveBufferSize(SCTP_BASE_VAR(userspace_rawsctp6), SB_RAW); /* 128K */ + setSendBufferSize(SCTP_BASE_VAR(userspace_rawsctp6), SB_RAW); /* 128K Is this setting net.inet.raw.maxdgram value? Should it be set to 64K? */ + } + } + } + } + } + if (SCTP_BASE_VAR(userspace_udpsctp6) == -1) { + if ((SCTP_BASE_VAR(userspace_udpsctp6) = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError()); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't create socket for SCTP/UDP/IPv6 (errno = %d).\n", errno); +#endif + } +#if defined(IPV6_RECVPKTINFO) + if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp6), IPPROTO_IPV6, IPV6_RECVPKTINFO, (const void *)&on, (int)sizeof(int)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_RECVPKTINFO on socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_udpsctp6)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_RECVPKTINFO on socket for SCTP/UDP/IPv6 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_udpsctp6)); +#endif + SCTP_BASE_VAR(userspace_udpsctp6) = -1; + } else { +#else + if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp6), IPPROTO_IPV6, IPV6_PKTINFO, (const void *)&on, (int)sizeof(int)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_PKTINFO on socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_udpsctp6)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_PKTINFO on socket for SCTP/UDP/IPv6 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_udpsctp6)); +#endif + SCTP_BASE_VAR(userspace_udpsctp6) = -1; + } else { +#endif + if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp6), IPPROTO_IPV6, IPV6_V6ONLY, (const void *)&on, (socklen_t)sizeof(on)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_V6ONLY on socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError()); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set IPV6_V6ONLY on socket for SCTP/UDP/IPv6 (errno = %d).\n", errno); +#endif + } + if (setsockopt(SCTP_BASE_VAR(userspace_udpsctp6), SOL_SOCKET, SO_RCVTIMEO, (const void *)&timeout, sizeof(timeout)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_udpsctp6)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't set timeout on socket for SCTP/UDP/IPv6 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_udpsctp6)); +#endif + SCTP_BASE_VAR(userspace_udpsctp6) = -1; + } else { + memset((void *)&addr_ipv6, 0, sizeof(struct sockaddr_in6)); +#ifdef HAVE_SIN6_LEN + addr_ipv6.sin6_len = sizeof(struct sockaddr_in6); +#endif + addr_ipv6.sin6_family = AF_INET6; + addr_ipv6.sin6_port = htons(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port)); + addr_ipv6.sin6_addr = in6addr_any; + if (bind(SCTP_BASE_VAR(userspace_udpsctp6), (const struct sockaddr *)&addr_ipv6, sizeof(struct sockaddr_in6)) < 0) { +#if defined(__Userspace_os_Windows) + SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/UDP/IPv6 (errno = %d).\n", WSAGetLastError()); + closesocket(SCTP_BASE_VAR(userspace_udpsctp6)); +#else + SCTPDBG(SCTP_DEBUG_USR, "Can't bind socket for SCTP/UDP/IPv6 (errno = %d).\n", errno); + close(SCTP_BASE_VAR(userspace_udpsctp6)); +#endif + SCTP_BASE_VAR(userspace_udpsctp6) = -1; + } else { + setReceiveBufferSize(SCTP_BASE_VAR(userspace_udpsctp6), SB_RAW); /* 128K */ + setSendBufferSize(SCTP_BASE_VAR(userspace_udpsctp6), SB_RAW); /* 128K Is this setting net.inet.raw.maxdgram value? Should it be set to 64K? */ + } + } + } + } +#endif +#if !defined(__Userspace_os_Windows) +#if defined(__Userspace_os_Darwin) || defined(__Userspace_os_DragonFly) || defined(__Userspace_os_FreeBSD) +#if defined(INET) || defined(INET6) + if (SCTP_BASE_VAR(userspace_route) != -1) { + int rc; + + if ((rc = pthread_create(&SCTP_BASE_VAR(recvthreadroute), NULL, &recv_function_route, NULL))) { + SCTPDBG(SCTP_DEBUG_USR, "Can't start routing thread (%d).\n", rc); + close(SCTP_BASE_VAR(userspace_route)); + SCTP_BASE_VAR(userspace_route) = -1; + } + } +#endif +#endif +#if defined(INET) + if (SCTP_BASE_VAR(userspace_rawsctp) != -1) { + int rc; + + if ((rc = pthread_create(&SCTP_BASE_VAR(recvthreadraw), NULL, &recv_function_raw, NULL))) { + SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/IPv4 recv thread (%d).\n", rc); + close(SCTP_BASE_VAR(userspace_rawsctp)); + SCTP_BASE_VAR(userspace_rawsctp) = -1; + } + } + if (SCTP_BASE_VAR(userspace_udpsctp) != -1) { + int rc; + + if ((rc = pthread_create(&SCTP_BASE_VAR(recvthreadudp), NULL, &recv_function_udp, NULL))) { + SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/UDP/IPv4 recv thread (%d).\n", rc); + close(SCTP_BASE_VAR(userspace_udpsctp)); + SCTP_BASE_VAR(userspace_udpsctp) = -1; + } + } +#endif +#if defined(INET6) + if (SCTP_BASE_VAR(userspace_rawsctp6) != -1) { + int rc; + + if ((rc = pthread_create(&SCTP_BASE_VAR(recvthreadraw6), NULL, &recv_function_raw6, NULL))) { + SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/IPv6 recv thread (%d).\n", rc); + close(SCTP_BASE_VAR(userspace_rawsctp6)); + SCTP_BASE_VAR(userspace_rawsctp6) = -1; + } + } + if (SCTP_BASE_VAR(userspace_udpsctp6) != -1) { + int rc; + + if ((rc = pthread_create(&SCTP_BASE_VAR(recvthreadudp6), NULL, &recv_function_udp6, NULL))) { + SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/UDP/IPv6 recv thread (%d).\n", rc); + close(SCTP_BASE_VAR(userspace_udpsctp6)); + SCTP_BASE_VAR(userspace_udpsctp6) = -1; + } + } +#endif +#else +#if defined(INET) + if (SCTP_BASE_VAR(userspace_rawsctp) != -1) { + if ((SCTP_BASE_VAR(recvthreadraw) = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)&recv_function_raw, NULL, 0, NULL)) == NULL) { + SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/IPv4 recv thread.\n"); + closesocket(SCTP_BASE_VAR(userspace_rawsctp)); + SCTP_BASE_VAR(userspace_rawsctp) = -1; + } + } + if (SCTP_BASE_VAR(userspace_udpsctp) != -1) { + if ((SCTP_BASE_VAR(recvthreadudp) = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)&recv_function_udp, NULL, 0, NULL)) == NULL) { + SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/UDP/IPv4 recv thread.\n"); + closesocket(SCTP_BASE_VAR(userspace_udpsctp)); + SCTP_BASE_VAR(userspace_udpsctp) = -1; + } + } +#endif +#if defined(INET6) + if (SCTP_BASE_VAR(userspace_rawsctp6) != -1) { + if ((SCTP_BASE_VAR(recvthreadraw6) = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)&recv_function_raw6, NULL, 0, NULL)) == NULL) { + SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/IPv6 recv thread.\n"); + closesocket(SCTP_BASE_VAR(userspace_rawsctp6)); + SCTP_BASE_VAR(userspace_rawsctp6) = -1; + } + } + if (SCTP_BASE_VAR(userspace_udpsctp6) != -1) { + if ((SCTP_BASE_VAR(recvthreadudp6) = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)&recv_function_udp6, NULL, 0, NULL)) == NULL) { + SCTPDBG(SCTP_DEBUG_USR, "Can't start SCTP/UDP/IPv6 recv thread.\n"); + closesocket(SCTP_BASE_VAR(userspace_udpsctp6)); + SCTP_BASE_VAR(userspace_udpsctp6) = -1; + } + } +#endif +#endif +} + +void +recv_thread_destroy(void) +{ +#if defined(__Userspace_os_Darwin) || defined(__Userspace_os_DragonFly) || defined(__Userspace_os_FreeBSD) +#if defined(INET) || defined(INET6) + if (SCTP_BASE_VAR(userspace_route) != -1) { + close(SCTP_BASE_VAR(userspace_route)); + } +#endif +#endif +#if defined(INET) + if (SCTP_BASE_VAR(userspace_rawsctp) != -1) { +#if defined(__Userspace_os_Windows) + closesocket(SCTP_BASE_VAR(userspace_rawsctp)); +#else + close(SCTP_BASE_VAR(userspace_rawsctp)); +#endif + } + if (SCTP_BASE_VAR(userspace_udpsctp) != -1) { +#if defined(__Userspace_os_Windows) + closesocket(SCTP_BASE_VAR(userspace_udpsctp)); +#else + close(SCTP_BASE_VAR(userspace_udpsctp)); +#endif + } +#endif +#if defined(INET6) + if (SCTP_BASE_VAR(userspace_rawsctp6) != -1) { +#if defined(__Userspace_os_Windows) + closesocket(SCTP_BASE_VAR(userspace_rawsctp6)); +#else + close(SCTP_BASE_VAR(userspace_rawsctp6)); +#endif + } + if (SCTP_BASE_VAR(userspace_udpsctp6) != -1) { +#if defined(__Userspace_os_Windows) + closesocket(SCTP_BASE_VAR(userspace_udpsctp6)); +#else + close(SCTP_BASE_VAR(userspace_udpsctp6)); +#endif + } +#endif +} +#else +int foo; +#endif |