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#ifndef NICO_ARP
#define NICO_ARP
/********************** ARP ***********************************/
action arp_reply(mac_addr_t mac_addr) {
/* swap */
ipv4_addr_t ipv4_src = hdr.arp.dst_ipv4_addr;
ipv4_addr_t ipv4_dst = hdr.arp.src_ipv4_addr;
/* swap/add */
mac_addr_t mac_src = mac_addr;
mac_addr_t mac_dst = hdr.arp.src_mac_addr;
/* fill the ethernet header */
hdr.ethernet.dst_addr = mac_dst;
hdr.ethernet.src_addr = mac_src;
/* fill the arp header */
hdr.arp.dst_mac_addr = mac_dst;
hdr.arp.src_mac_addr = mac_src;
/* swapping */
hdr.arp.dst_ipv4_addr = ipv4_dst;
hdr.arp.src_ipv4_addr = ipv4_src;
hdr.arp.opcode = ARP_REPLY;
}
table v4_arp {
key = {
hdr.ethernet.dst_addr: exact;
hdr.arp.opcode: exact;
hdr.arp.dst_ipv4_addr: lpm;
}
actions = {
controller_debug_table_id;
arp_reply;
NoAction;
}
size = ICMP6_TABLE_SIZE;
default_action = controller_debug_table_id(TABLE_ARP);
}
table v4_arp_egress {
key = {
hdr.arp.dst_ipv4_addr: lpm;
}
actions = {
controller_debug_table_id;
set_egress_port;
NoAction;
}
size = ICMP6_TABLE_SIZE;
default_action = controller_debug_table_id(TABLE_ARP_EGRESS);
}
#endif