36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/*********************************************************************
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PicoTCP. Copyright (c) 2012-2017 Altran Intelligent Systems. Some rights reserved.
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See COPYING, LICENSE.GPLv2 and LICENSE.GPLv3 for usage.
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*********************************************************************/
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#ifndef INCLUDE_PICO_ARP
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#define INCLUDE_PICO_ARP
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#include "pico_eth.h"
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#include "pico_device.h"
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int pico_arp_receive(struct pico_frame *);
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struct pico_eth *pico_arp_get(struct pico_frame *f);
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int32_t pico_arp_request(struct pico_device *dev, struct pico_ip4 *dst, uint8_t type);
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#define PICO_ARP_STATUS_REACHABLE 0x00
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#define PICO_ARP_STATUS_PERMANENT 0x01
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#define PICO_ARP_STATUS_STALE 0x02
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#define PICO_ARP_QUERY 0x00
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#define PICO_ARP_PROBE 0x01
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#define PICO_ARP_ANNOUNCE 0x02
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#define PICO_ARP_CONFLICT_REASON_CONFLICT 0
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#define PICO_ARP_CONFLICT_REASON_PROBE 1
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struct pico_eth *pico_arp_lookup(struct pico_ip4 *dst);
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struct pico_ip4 *pico_arp_reverse_lookup(struct pico_eth *dst);
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int pico_arp_create_entry(uint8_t*hwaddr, struct pico_ip4 ipv4, struct pico_device*dev);
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int pico_arp_get_neighbors(struct pico_device *dev, struct pico_ip4 *neighbors, int maxlen);
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void pico_arp_register_ipconflict(struct pico_ip4 *ip, struct pico_eth *mac, void (*cb)(int reason));
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void pico_arp_postpone(struct pico_frame *f);
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void pico_arp_init(void);
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#endif
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