void reply_payload(tw_rx_t * handle, tw_buf_t * buffer) { struct ether_addr * dst_eth_addr; struct ether_hdr * eth = buffer->data; struct arp_hdr * arp_pkt =buffer->data + sizeof(struct ether_hdr); switch (tw_be_to_cpu_16(eth->ether_type)) { case ETHER_TYPE_ARP: if (arp_flag == 1) { tw_arp_parser(buffer, "tw0"); struct ether_addr * mac_addr = tw_search_arp_entry(ip); if (mac_addr != NULL) { dst_eth_addr = mac_addr; printf("MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n", dst_eth_addr->addr_bytes[0], dst_eth_addr->addr_bytes[1], dst_eth_addr->addr_bytes[2], dst_eth_addr->addr_bytes[3], dst_eth_addr->addr_bytes[4], dst_eth_addr->addr_bytes[5]); arp_flag = -1; exit(0); } } } tw_free_pkt(buffer); }
void pkt_rx(tw_rx_t * handle, tw_buf_t * buffer) { eth = buffer->data; if(tw_be_to_cpu_16(eth->ether_type) == ETHER_TYPE_ARP) { global_stats_option.pkts_rx--; tw_arp_parser(buffer, "tw0"); } tw_free_pkt(buffer); return; }
void reply_payload(tw_rx_t * handle, tw_buf_t * buffer) { tw_free_pkt(buffer); }