163 lines
4.6 KiB
C
163 lines
4.6 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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*********************************************************************/
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#ifndef INCLUDE_PICO_ICMP4
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#define INCLUDE_PICO_ICMP4
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#include "pico_config.h"
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#include "pico_addressing.h"
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#include "pico_protocol.h"
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extern struct pico_protocol pico_proto_icmp4;
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PACKED_STRUCT_DEF pico_icmp4_hdr {
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uint8_t type;
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uint8_t code;
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uint16_t crc;
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/* hun */
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PACKED_UNION_DEF hun_u {
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uint8_t ih_pptr;
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struct pico_ip4 ih_gwaddr;
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PEDANTIC_STRUCT_DEF ih_idseq_s {
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uint16_t idseq_id;
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uint16_t idseq_seq;
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} ih_idseq;
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uint32_t ih_void;
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PEDANTIC_STRUCT_DEF ih_pmtu_s {
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uint16_t ipm_void;
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uint16_t ipm_nmtu;
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} ih_pmtu;
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PEDANTIC_STRUCT_DEF ih_rta_s {
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uint8_t rta_numgw;
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uint8_t rta_wpa;
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uint16_t rta_lifetime;
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} ih_rta;
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} hun;
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/* dun */
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PACKED_UNION_DEF dun_u {
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PEDANTIC_STRUCT_DEF id_ts_s {
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uint32_t ts_otime;
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uint32_t ts_rtime;
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uint32_t ts_ttime;
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} id_ts;
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PEDANTIC_STRUCT_DEF id_ip_s {
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uint32_t ip_options;
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uint32_t ip_data_hi;
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uint32_t ip_data_lo;
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} id_ip;
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PEDANTIC_STRUCT_DEF id_ra_s {
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uint32_t ira_addr;
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uint32_t ira_pref;
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} id_ra;
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uint32_t id_mask;
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uint8_t id_data[1];
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} dun;
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};
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#define PICO_ICMPHDR_DRY_SIZE 4
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#define PICO_ICMPHDR_UN_SIZE 8u
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#define PICO_ICMP_ECHOREPLY 0
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#define PICO_ICMP_DEST_UNREACH 3
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#define PICO_ICMP_SOURCE_QUENCH 4
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#define PICO_ICMP_REDIRECT 5
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#define PICO_ICMP_ECHO 8
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#define PICO_ICMP_TIME_EXCEEDED 11
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#define PICO_ICMP_PARAMETERPROB 12
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#define PICO_ICMP_TIMESTAMP 13
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#define PICO_ICMP_TIMESTAMPREPLY 14
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#define PICO_ICMP_INFO_REQUEST 15
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#define PICO_ICMP_INFO_REPLY 16
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#define PICO_ICMP_ADDRESS 17
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#define PICO_ICMP_ADDRESSREPLY 18
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#define PICO_ICMP_UNREACH 3
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#define PICO_ICMP_SOURCEQUENCH 4
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#define PICO_ICMP_ROUTERADVERT 9
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#define PICO_ICMP_ROUTERSOLICIT 10
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#define PICO_ICMP_TIMXCEED 11
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#define PICO_ICMP_PARAMPROB 12
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#define PICO_ICMP_TSTAMP 13
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#define PICO_ICMP_TSTAMPREPLY 14
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#define PICO_ICMP_IREQ 15
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#define PICO_ICMP_IREQREPLY 16
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#define PICO_ICMP_MASKREQ 17
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#define PICO_ICMP_MASKREPLY 18
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#define PICO_ICMP_MAXTYPE 18
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#define PICO_ICMP_UNREACH_NET 0
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#define PICO_ICMP_UNREACH_HOST 1
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#define PICO_ICMP_UNREACH_PROTOCOL 2
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#define PICO_ICMP_UNREACH_PORT 3
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#define PICO_ICMP_UNREACH_NEEDFRAG 4
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#define PICO_ICMP_UNREACH_SRCFAIL 5
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#define PICO_ICMP_UNREACH_NET_UNKNOWN 6
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#define PICO_ICMP_UNREACH_HOST_UNKNOWN 7
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#define PICO_ICMP_UNREACH_ISOLATED 8
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#define PICO_ICMP_UNREACH_NET_PROHIB 9
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#define PICO_ICMP_UNREACH_HOST_PROHIB 10
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#define PICO_ICMP_UNREACH_TOSNET 11
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#define PICO_ICMP_UNREACH_TOSHOST 12
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#define PICO_ICMP_UNREACH_FILTER_PROHIB 13
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#define PICO_ICMP_UNREACH_HOST_PRECEDENCE 14
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#define PICO_ICMP_UNREACH_PRECEDENCE_CUTOFF 15
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#define PICO_ICMP_REDIRECT_NET 0
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#define PICO_ICMP_REDIRECT_HOST 1
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#define PICO_ICMP_REDIRECT_TOSNET 2
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#define PICO_ICMP_REDIRECT_TOSHOST 3
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#define PICO_ICMP_TIMXCEED_INTRANS 0
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#define PICO_ICMP_TIMXCEED_REASS 1
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#define PICO_ICMP_PARAMPROB_OPTABSENT 1
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#define PICO_SIZE_ICMP4HDR ((sizeof(struct pico_icmp4_hdr)))
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struct pico_icmp4_stats
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{
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struct pico_ip4 dst;
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unsigned long size;
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unsigned long seq;
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pico_time time;
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unsigned long ttl;
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int err;
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};
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int pico_icmp4_port_unreachable(struct pico_frame *f);
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int pico_icmp4_proto_unreachable(struct pico_frame *f);
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int pico_icmp4_dest_unreachable(struct pico_frame *f);
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int pico_icmp4_mtu_exceeded(struct pico_frame *f);
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int pico_icmp4_ttl_expired(struct pico_frame *f);
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int pico_icmp4_frag_expired(struct pico_frame *f);
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int pico_icmp4_ping(char *dst, int count, int interval, int timeout, int size, void (*cb)(struct pico_icmp4_stats *));
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int pico_icmp4_ping_abort(int id);
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#ifdef PICO_SUPPORT_ICMP4
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int pico_icmp4_packet_filtered(struct pico_frame *f);
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int pico_icmp4_param_problem(struct pico_frame *f, uint8_t code);
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#else
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# define pico_icmp4_packet_filtered(f) (-1)
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# define pico_icmp4_param_problem(f, c) (-1)
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#endif /* PICO_SUPPORT_ICMP4 */
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#define PICO_PING_ERR_REPLIED 0
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#define PICO_PING_ERR_TIMEOUT 1
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#define PICO_PING_ERR_UNREACH 2
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#define PICO_PING_ERR_ABORTED 3
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#define PICO_PING_ERR_PENDING 0xFFFF
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#endif
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