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60 lines
1.5 KiB
60 lines
1.5 KiB
#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 |