Squashed 'lib/lwip/lwip/' content from commit 0a0452b2c39b

git-subtree-dir: lib/lwip/lwip
git-subtree-split: 0a0452b2c39bdd91e252aef045c115f88f6ca773

1 files changed, 150 insertions, 0 deletions

diff --git a/contrib/ports/unix/posixlib/include/posix/sockets.h b/contrib/ports/unix/posixlib/include/posix/sockets.h
new file mode 100644
index 00000000000..f390066616a
--- /dev/null
+++ b/contrib/ports/unix/posixlib/include/posix/sockets.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2023 Joan Lledó <jlledom@member.fsf.org>
+ *
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 HURD_LWIP_POSIX_SOCKET_H
+#define HURD_LWIP_POSIX_SOCKET_H
+
+#include <sys/socket.h>
+#include <poll.h>
+#include <errno.h>
+#include LWIP_SOCKET_EXTERNAL_HEADER_INET_H
+typedef size_t msg_iovlen_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef _HAVE_SA_LEN
+#define HAVE_SA_LEN	_HAVE_SA_LEN
+#else
+#define HAVE_SA_LEN	0
+#endif /* _HAVE_SA_LEN */
+
+/* Address length safe read and write */
+#if HAVE_SA_LEN
+#define IP4ADDR_SOCKADDR_SET_LEN(sin) \
+      (sin)->sin_len = sizeof(struct sockaddr_in)
+#define IP6ADDR_SOCKADDR_SET_LEN(sin6) \
+      (sin6)->sin6_len = sizeof(struct sockaddr_in6)
+#define IPADDR_SOCKADDR_GET_LEN(addr) \
+      (addr)->sa.sa_len
+#else
+#define IP4ADDR_SOCKADDR_SET_LEN(addr)
+#define IP6ADDR_SOCKADDR_SET_LEN(addr)
+#define IPADDR_SOCKADDR_GET_LEN(addr) \
+      ((addr)->sa.sa_family == AF_INET ? sizeof(struct sockaddr_in) \
+        : ((addr)->sa.sa_family == AF_INET6 ? sizeof(struct sockaddr_in6) : 0))
+#endif /* HAVE_SA_LEN */
+
+#define SIN_ZERO_LEN	sizeof (struct sockaddr) - \
+                           __SOCKADDR_COMMON_SIZE - \
+                           sizeof (in_port_t) - \
+                           sizeof (struct in_addr)
+
+#if !defined IOV_MAX
+#define IOV_MAX 0xFFFF
+#elif IOV_MAX > 0xFFFF
+#error "IOV_MAX larger than supported by LwIP"
+#endif /* IOV_MAX */
+
+#define LWIP_SELECT_MAXNFDS (FD_SETSIZE + LWIP_SOCKET_OFFSET)
+
+#if LWIP_UDP && LWIP_UDPLITE
+/*
+ * Options for level IPPROTO_UDPLITE
+ */
+#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */
+#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */
+#endif /* LWIP_UDP && LWIP_UDPLITE*/
+
+#if 0
+void lwip_socket_thread_init(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: initialize thread-local semaphore */
+void lwip_socket_thread_cleanup(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: destroy thread-local semaphore */
+
+int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
+int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen);
+int lwip_shutdown(int s, int how);
+int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen);
+int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen);
+int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen);
+int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen);
+ int lwip_close(int s);
+int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen);
+int lwip_listen(int s, int backlog);
+ssize_t lwip_recv(int s, void *mem, size_t len, int flags);
+ssize_t lwip_read(int s, void *mem, size_t len);
+ssize_t lwip_readv(int s, const struct iovec *iov, int iovcnt);
+ssize_t lwip_recvfrom(int s, void *mem, size_t len, int flags,
+      struct sockaddr *from, socklen_t *fromlen);
+ssize_t lwip_recvmsg(int s, struct msghdr *message, int flags);
+ssize_t lwip_send(int s, const void *dataptr, size_t size, int flags);
+ssize_t lwip_sendmsg(int s, const struct msghdr *message, int flags);
+ssize_t lwip_sendto(int s, const void *dataptr, size_t size, int flags,
+    const struct sockaddr *to, socklen_t tolen);
+int lwip_socket(int domain, int type, int protocol);
+ssize_t lwip_write(int s, const void *dataptr, size_t size);
+ssize_t lwip_writev(int s, const struct iovec *iov, int iovcnt);
+#if LWIP_SOCKET_SELECT
+int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
+                struct timeval *timeout);
+#endif
+#if LWIP_SOCKET_POLL
+int lwip_poll(struct pollfd *fds, nfds_t nfds, int timeout);
+#endif
+int lwip_ioctl(int s, long cmd, void *argp);
+int lwip_fcntl(int s, int cmd, int val);
+const char *lwip_inet_ntop(int af, const void *src, char *dst, socklen_t size);
+int lwip_inet_pton(int af, const char *src, void *dst);
+#endif
+
+/* Unsuported indetifiers */
+#ifndef SO_NO_CHECK
+#define SO_NO_CHECK         0xFF
+#endif
+#ifndef SO_BINDTODEVICE
+#define SO_BINDTODEVICE     0xFE
+#endif
+#ifndef MSG_MORE
+#define MSG_MORE            0x0
+#endif
+#ifndef TCP_KEEPALIVE
+#define TCP_KEEPALIVE       0xFF
+#endif
+#ifndef TCP_KEEPIDLE
+#define TCP_KEEPIDLE        0xFE
+#endif
+#ifndef TCP_KEEPINTVL
+#define TCP_KEEPINTVL       0xFD
+#endif
+#ifndef TCP_KEEPCNT
+#define TCP_KEEPCNT         0xFC
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HURD_LWIP_POSIX_SOCKET_H */