1 /* 2 * Copyright (c) 2001-2003 Swedish Institute of Computer Science. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 * Author: Erik Ekman <erik@kryo.se> 30 * 31 */ 32 33 #include "lwip/init.h" 34 #include "lwip/netif.h" 35 #include "netif/etharp.h" 36 #if LWIP_IPV6 37 #include "lwip/ethip6.h" 38 #include "lwip/nd6.h" 39 #endif 40 #include <string.h> 41 #include <stdio.h> 42 43 /* no-op send function */ 44 static err_t lwip_tx_func(struct netif *netif, struct pbuf *p) 45 { 46 LWIP_UNUSED_ARG(netif); 47 LWIP_UNUSED_ARG(p); 48 return ERR_OK; 49 } 50 51 static err_t testif_init(struct netif *netif) 52 { 53 netif->name[0] = 'f'; 54 netif->name[1] = 'z'; 55 netif->output = etharp_output; 56 netif->linkoutput = lwip_tx_func; 57 netif->mtu = 1500; 58 netif->hwaddr_len = 6; 59 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP; 60 61 netif->hwaddr[0] = 0x00; 62 netif->hwaddr[1] = 0x23; 63 netif->hwaddr[2] = 0xC1; 64 netif->hwaddr[3] = 0xDE; 65 netif->hwaddr[4] = 0xD0; 66 netif->hwaddr[5] = 0x0D; 67 68 #if LWIP_IPV6 69 netif->output_ip6 = ethip6_output; 70 netif->ip6_autoconfig_enabled = 1; 71 netif_create_ip6_linklocal_address(netif, 1); 72 netif->flags |= NETIF_FLAG_MLD6; 73 #endif 74 75 return ERR_OK; 76 } 77 78 static void input_pkt(struct netif *netif, const u8_t *data, size_t len) 79 { 80 struct pbuf *p, *q; 81 err_t err; 82 83 LWIP_ASSERT("pkt too big", len <= 0xFFFF); 84 p = pbuf_alloc(PBUF_RAW, (u16_t)len, PBUF_POOL); 85 LWIP_ASSERT("alloc failed", p); 86 for(q = p; q != NULL; q = q->next) { 87 MEMCPY(q->payload, data, q->len); 88 data += q->len; 89 } 90 err = netif->input(p, netif); 91 if (err != ERR_OK) { 92 pbuf_free(p); 93 } 94 } 95 96 int main(int argc, char** argv) 97 { 98 struct netif net_test; 99 ip4_addr_t addr; 100 ip4_addr_t netmask; 101 ip4_addr_t gw; 102 u8_t pktbuf[2000]; 103 size_t len; 104 105 lwip_init(); 106 107 IP4_ADDR(&addr, 172, 30, 115, 84); 108 IP4_ADDR(&netmask, 255, 255, 255, 0); 109 IP4_ADDR(&gw, 172, 30, 115, 1); 110 111 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 112 netif_set_up(&net_test); 113 114 #if LWIP_IPV6 115 nd6_tmr(); /* tick nd to join multicast groups */ 116 #endif 117 118 if(argc > 1) { 119 FILE* f; 120 const char* filename; 121 printf("reading input from file... "); 122 fflush(stdout); 123 filename = argv[1]; 124 LWIP_ASSERT("invalid filename", filename != NULL); 125 f = fopen(filename, "rb"); 126 LWIP_ASSERT("open failed", f != NULL); 127 len = fread(pktbuf, 1, sizeof(pktbuf), f); 128 fclose(f); 129 printf("testing file: \"%s\"...\r\n", filename); 130 } else { 131 len = fread(pktbuf, 1, sizeof(pktbuf), stdin); 132 } 133 input_pkt(&net_test, pktbuf, len); 134 135 return 0; 136 } 137