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