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