128 lines
3.1 KiB
C
128 lines
3.1 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_ADDRESSING
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#define INCLUDE_PICO_ADDRESSING
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#include "pico_config.h"
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#include "pico_constants.h"
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PACKED_STRUCT_DEF pico_ip4
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{
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uint32_t addr;
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};
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PACKED_STRUCT_DEF pico_ip6
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{
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uint8_t addr[16];
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};
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union pico_address
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{
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struct pico_ip4 ip4;
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struct pico_ip6 ip6;
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};
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/******************************************************************************
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* Ethernet Address Definitions
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******************************************************************************/
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PACKED_STRUCT_DEF pico_eth
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{
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uint8_t addr[6];
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uint8_t padding[2];
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};
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extern const uint8_t PICO_ETHADDR_ALL[];
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/******************************************************************************
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* Generic 6LoWPAN Address Definitions
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******************************************************************************/
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/* 6lowpan supports 16-bit short addresses */
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PACKED_STRUCT_DEF pico_6lowpan_short
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{
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uint16_t addr;
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};
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/* And also EUI-64 addresses */
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PACKED_STRUCT_DEF pico_6lowpan_ext
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{
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uint8_t addr[8];
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};
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/* Address memory as either a short 16-bit address or a 64-bit address */
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union pico_6lowpan_u
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{
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uint8_t data[8];
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struct pico_6lowpan_short _short;
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struct pico_6lowpan_ext _ext;
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};
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/* Info data structure to pass to pico_device_init by the device driver */
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struct pico_6lowpan_info
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{
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struct pico_6lowpan_short addr_short;
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struct pico_6lowpan_ext addr_ext;
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struct pico_6lowpan_short pan_id;
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};
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/* Different addressing modes for IEEE802.15.4 addresses */
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#define AM_6LOWPAN_NONE (0u)
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#define AM_6LOWPAN_RES (1u)
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#define AM_6LOWPAN_SHORT (2u)
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#define AM_6LOWPAN_EXT (3u)
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#define SIZE_6LOWPAN_SHORT (2u)
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#define SIZE_6LOWPAN_EXT (8u)
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#define SIZE_6LOWPAN(m) (((m) == 2) ? (2) : (((m) == 3) ? (8) : (0)))
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/******************************************************************************
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* Generic 6LoWPAN Address Definitions
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******************************************************************************/
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/* Storage data structure for IEEE802.15.4 addresses */
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struct pico_802154
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{
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union pico_6lowpan_u addr;
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uint8_t mode;
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};
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/******************************************************************************
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* Link Layer addresses
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******************************************************************************/
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#define IID_16(iid) (0 == (iid)[2] && 0xff == (iid)[3] && 0xfe == (iid)[4] && 0 == (iid)[5])
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enum pico_ll_mode
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{
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LL_MODE_ETHERNET = 0,
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#ifdef PICO_SUPPORT_802154
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LL_MODE_IEEE802154,
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#endif
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};
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union pico_ll_addr
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{
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struct pico_eth eth;
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struct pico_802154 pan;
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};
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PACKED_STRUCT_DEF pico_trans
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{
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uint16_t sport;
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uint16_t dport;
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};
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/* Here are some protocols. */
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#define PICO_PROTO_IPV4 0
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#define PICO_PROTO_ICMP4 1
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#define PICO_PROTO_IGMP 2
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#define PICO_PROTO_TCP 6
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#define PICO_PROTO_UDP 17
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#define PICO_PROTO_IPV6 41
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#define PICO_PROTO_ICMP6 58
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#endif
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