1 /*- 2 * Copyright (c) 2015 Dmitry Chagin 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _LINUX_MI_H_ 30 #define _LINUX_MI_H_ 31 32 #include <sys/queue.h> 33 34 #define LINUX_IFHWADDRLEN 6 35 #define LINUX_IFNAMSIZ 16 36 37 /* 38 * Criteria for interface name translation 39 */ 40 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 41 #define IFP_IS_LOOP(ifp) (ifp->if_type == IFT_LOOP) 42 43 struct l_sockaddr { 44 unsigned short sa_family; 45 char sa_data[14]; 46 }; 47 48 #define LINUX_ARPHRD_ETHER 1 49 #define LINUX_ARPHRD_LOOPBACK 772 50 51 /* 52 * Supported address families 53 */ 54 #define LINUX_AF_UNSPEC 0 55 #define LINUX_AF_UNIX 1 56 #define LINUX_AF_INET 2 57 #define LINUX_AF_AX25 3 58 #define LINUX_AF_IPX 4 59 #define LINUX_AF_APPLETALK 5 60 #define LINUX_AF_INET6 10 61 #define LINUX_AF_NETLINK 16 62 63 #define LINUX_NETLINK_ROUTE 0 64 #define LINUX_NETLINK_SOCK_DIAG 4 65 #define LINUX_NETLINK_NFLOG 5 66 #define LINUX_NETLINK_SELINUX 7 67 #define LINUX_NETLINK_AUDIT 9 68 #define LINUX_NETLINK_FIB_LOOKUP 10 69 #define LINUX_NETLINK_NETFILTER 12 70 #define LINUX_NETLINK_KOBJECT_UEVENT 15 71 72 /* 73 * net device flags 74 */ 75 #define LINUX_IFF_UP 0x0001 76 #define LINUX_IFF_BROADCAST 0x0002 77 #define LINUX_IFF_DEBUG 0x0004 78 #define LINUX_IFF_LOOPBACK 0x0008 79 #define LINUX_IFF_POINTOPOINT 0x0010 80 #define LINUX_IFF_NOTRAILERS 0x0020 81 #define LINUX_IFF_RUNNING 0x0040 82 #define LINUX_IFF_NOARP 0x0080 83 #define LINUX_IFF_PROMISC 0x0100 84 #define LINUX_IFF_ALLMULTI 0x0200 85 #define LINUX_IFF_MASTER 0x0400 86 #define LINUX_IFF_SLAVE 0x0800 87 #define LINUX_IFF_MULTICAST 0x1000 88 #define LINUX_IFF_PORTSEL 0x2000 89 #define LINUX_IFF_AUTOMEDIA 0x4000 90 #define LINUX_IFF_DYNAMIC 0x8000 91 92 /* sigaltstack */ 93 #define LINUX_SS_ONSTACK 1 94 #define LINUX_SS_DISABLE 2 95 96 int linux_to_bsd_sigaltstack(int lsa); 97 int bsd_to_linux_sigaltstack(int bsa); 98 99 /* sigset */ 100 typedef struct { 101 uint64_t __mask; 102 } l_sigset_t; 103 104 /* primitives to manipulate sigset_t */ 105 #define LINUX_SIGEMPTYSET(set) (set).__mask = 0 106 #define LINUX_SIGISMEMBER(set, sig) (1UL & ((set).__mask >> _SIG_IDX(sig))) 107 #define LINUX_SIGADDSET(set, sig) (set).__mask |= 1UL << _SIG_IDX(sig) 108 109 void linux_to_bsd_sigset(l_sigset_t *, sigset_t *); 110 void bsd_to_linux_sigset(sigset_t *, l_sigset_t *); 111 112 /* signaling */ 113 #define LINUX_SIGHUP 1 114 #define LINUX_SIGINT 2 115 #define LINUX_SIGQUIT 3 116 #define LINUX_SIGILL 4 117 #define LINUX_SIGTRAP 5 118 #define LINUX_SIGABRT 6 119 #define LINUX_SIGIOT LINUX_SIGABRT 120 #define LINUX_SIGBUS 7 121 #define LINUX_SIGFPE 8 122 #define LINUX_SIGKILL 9 123 #define LINUX_SIGUSR1 10 124 #define LINUX_SIGSEGV 11 125 #define LINUX_SIGUSR2 12 126 #define LINUX_SIGPIPE 13 127 #define LINUX_SIGALRM 14 128 #define LINUX_SIGTERM 15 129 #define LINUX_SIGSTKFLT 16 130 #define LINUX_SIGCHLD 17 131 #define LINUX_SIGCONT 18 132 #define LINUX_SIGSTOP 19 133 #define LINUX_SIGTSTP 20 134 #define LINUX_SIGTTIN 21 135 #define LINUX_SIGTTOU 22 136 #define LINUX_SIGURG 23 137 #define LINUX_SIGXCPU 24 138 #define LINUX_SIGXFSZ 25 139 #define LINUX_SIGVTALRM 26 140 #define LINUX_SIGPROF 27 141 #define LINUX_SIGWINCH 28 142 #define LINUX_SIGIO 29 143 #define LINUX_SIGPOLL LINUX_SIGIO 144 #define LINUX_SIGPWR 30 145 #define LINUX_SIGSYS 31 146 #define LINUX_SIGTBLSZ 31 147 #define LINUX_SIGRTMIN 32 148 #define LINUX_SIGRTMAX 64 149 150 #define LINUX_SIG_VALID(sig) ((sig) <= LINUX_SIGRTMAX && (sig) > 0) 151 152 int linux_to_bsd_signal(int sig); 153 int bsd_to_linux_signal(int sig); 154 155 extern LIST_HEAD(futex_list, futex) futex_list; 156 extern struct mtx futex_mtx; 157 158 void linux_dev_shm_create(void); 159 void linux_dev_shm_destroy(void); 160 161 /* 162 * mask=0 is not sensible for this application, so it will be taken to mean 163 * a mask equivalent to the value. Otherwise, (word & mask) == value maps to 164 * (word & ~mask) | value in a bitfield for the platform we're converting to. 165 */ 166 struct bsd_to_linux_bitmap { 167 int bsd_mask; 168 int bsd_value; 169 int linux_mask; 170 int linux_value; 171 }; 172 173 int bsd_to_linux_bits_(int value, struct bsd_to_linux_bitmap *bitmap, 174 size_t mapcnt, int no_value); 175 int linux_to_bsd_bits_(int value, struct bsd_to_linux_bitmap *bitmap, 176 size_t mapcnt, int no_value); 177 178 /* 179 * These functions are used for simplification of BSD <-> Linux bit conversions. 180 * Given `value`, a bit field, these functions will walk the given bitmap table 181 * and set the appropriate bits for the target platform. If any bits were 182 * successfully converted, then the return value is the equivalent of value 183 * represented with the bit values appropriate for the target platform. 184 * Otherwise, the value supplied as `no_value` is returned. 185 */ 186 #define bsd_to_linux_bits(_val, _bmap, _noval) \ 187 bsd_to_linux_bits_((_val), (_bmap), nitems((_bmap)), (_noval)) 188 #define linux_to_bsd_bits(_val, _bmap, _noval) \ 189 linux_to_bsd_bits_((_val), (_bmap), nitems((_bmap)), (_noval)) 190 191 /* 192 * Easy mapping helpers. BITMAP_EASY_LINUX represents a single bit to be 193 * translated, and the FreeBSD and Linux values are supplied. BITMAP_1t1_LINUX 194 * is the extreme version of this, where not only is it a single bit, but the 195 * name of the macro used to represent the Linux version of a bit literally has 196 * LINUX_ prepended to the normal name. 197 */ 198 #define BITMAP_EASY_LINUX(_name, _linux_name) \ 199 { \ 200 .bsd_value = (_name), \ 201 .linux_value = (_linux_name), \ 202 } 203 #define BITMAP_1t1_LINUX(_name) BITMAP_EASY_LINUX(_name, LINUX_##_name) 204 205 int bsd_to_linux_errno(int error); 206 void linux_check_errtbl(void); 207 208 #endif /* _LINUX_MI_H_ */ 209