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 * $FreeBSD$ 30 */ 31 #ifndef _LINUX_NET_IP_H_ 32 #define _LINUX_NET_IP_H_ 33 34 #include "opt_inet.h" 35 36 #include <sys/types.h> 37 #include <sys/socket.h> 38 39 #include <net/if_types.h> 40 #include <net/if.h> 41 #include <net/if_var.h> 42 43 #include <netinet/in.h> 44 #include <netinet/in_pcb.h> 45 46 static inline void 47 inet_get_local_port_range(struct vnet *vnet, int *low, int *high) 48 { 49 #ifdef INET 50 CURVNET_SET_QUIET(vnet); 51 *low = V_ipport_firstauto; 52 *high = V_ipport_lastauto; 53 CURVNET_RESTORE(); 54 #else 55 *low = IPPORT_EPHEMERALFIRST; /* 10000 */ 56 *high = IPPORT_EPHEMERALLAST; /* 65535 */ 57 #endif 58 } 59 60 static inline void 61 ip_eth_mc_map(uint32_t addr, char *buf) 62 { 63 64 addr = ntohl(addr); 65 66 buf[0] = 0x01; 67 buf[1] = 0x00; 68 buf[2] = 0x5e; 69 buf[3] = (addr >> 16) & 0x7f; 70 buf[4] = (addr >> 8) & 0xff; 71 buf[5] = (addr & 0xff); 72 } 73 74 static inline void 75 ip_ib_mc_map(uint32_t addr, const unsigned char *bcast, char *buf) 76 { 77 unsigned char scope; 78 79 addr = ntohl(addr); 80 scope = bcast[5] & 0xF; 81 buf[0] = 0; 82 buf[1] = 0xff; 83 buf[2] = 0xff; 84 buf[3] = 0xff; 85 buf[4] = 0xff; 86 buf[5] = 0x10 | scope; 87 buf[6] = 0x40; 88 buf[7] = 0x1b; 89 buf[8] = bcast[8]; 90 buf[9] = bcast[9]; 91 buf[10] = 0; 92 buf[11] = 0; 93 buf[12] = 0; 94 buf[13] = 0; 95 buf[14] = 0; 96 buf[15] = 0; 97 buf[16] = (addr >> 24) & 0xff; 98 buf[17] = (addr >> 16) & 0xff; 99 buf[18] = (addr >> 8) & 0xff; 100 buf[19] = addr & 0xff; 101 } 102 103 #endif /* _LINUX_NET_IP_H_ */ 104