1 /*- 2 * Copyright (c) 2010 Isilon Systems, Inc. 3 * Copyright (c) 2010 iX Systems, Inc. 4 * Copyright (c) 2010 Panasas, Inc. 5 * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice unmodified, this list of conditions, and the following 13 * disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 #ifndef _LINUXKPI_LINUX_NET_H_ 30 #define _LINUXKPI_LINUX_NET_H_ 31 32 #include <sys/types.h> 33 #include <sys/malloc.h> 34 #include <sys/proc.h> 35 #include <sys/protosw.h> 36 #include <sys/socket.h> 37 #include <sys/socketvar.h> 38 #include <sys/errno.h> 39 40 static inline int 41 sock_create_kern(int family, int type, int proto, struct socket **res) 42 { 43 return -socreate(family, res, type, proto, curthread->td_ucred, 44 curthread); 45 } 46 47 static inline int 48 sock_getname(struct socket *so, struct sockaddr *sa, int *sockaddr_len, 49 int peer) 50 { 51 int error; 52 53 /* 54 * XXXGL: we can't use sopeeraddr()/sosockaddr() here since with 55 * INVARIANTS they would check if supplied sockaddr has enough 56 * length. Such notion doesn't even exist in Linux KPI. 57 */ 58 if (peer) { 59 if ((so->so_state & SS_ISCONNECTED) == 0) 60 return (-ENOTCONN); 61 62 error = so->so_proto->pr_peeraddr(so, sa); 63 } else 64 error = so->so_proto->pr_sockaddr(so, sa); 65 if (error) 66 return (-error); 67 *sockaddr_len = sa->sa_len; 68 69 return (0); 70 } 71 72 static inline void 73 sock_release(struct socket *so) 74 { 75 soclose(so); 76 } 77 78 79 int linuxkpi_net_ratelimit(void); 80 81 static inline int 82 net_ratelimit(void) 83 { 84 85 return (linuxkpi_net_ratelimit()); 86 } 87 88 #endif /* _LINUXKPI_LINUX_NET_H_ */ 89