mirror of
https://github.com/libretro/RetroArch
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60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
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#ifndef __UIP_ICMP_H__
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#define __UIP_ICMP_H__
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#include "uip.h"
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#include "uip_arch.h"
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#define UIP_ICMP_TTL 255
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#define UIP_ICMP_ER 0 /* echo reply */
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#define UIP_ICMP_DUR 3 /* destination unreachable */
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#define UIP_ICMP_SQ 4 /* source quench */
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#define UIP_ICMP_RD 5 /* redirect */
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#define UIP_ICMP_ECHO 8 /* echo */
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#define UIP_ICMP_TE 11 /* time exceeded */
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#define UIP_ICMP_PP 12 /* parameter problem */
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#define UIP_ICMP_TS 13 /* timestamp */
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#define UIP_ICMP_TSR 14 /* timestamp reply */
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#define UIP_ICMP_IRQ 15 /* information request */
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#define UIP_ICMP_IR 16 /* information reply */
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#define UIP_ICMPH_TYPE(hdr) (ntohs((hdr)->_type_code) >> 8)
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#define UIP_ICMPH_CODE(hdr) (ntohs((hdr)->_type_code) & 0xff)
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#define UIP_ICMPH_TYPE_SET(hdr, type) ((hdr)->_type_code = htons(UIP_ICMPH_CODE(hdr) | ((type) << 8)))
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#define UIP_ICMPH_CODE_SET(hdr, code) ((hdr)->_type_code = htons((code) | (UIP_ICMPH_TYPE(hdr) << 8)))
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enum uip_icmp_dur_type {
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UIP_ICMP_DUR_NET = 0, /* net unreachable */
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UIP_ICMP_DUR_HOST = 1, /* host unreachable */
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UIP_ICMP_DUR_PROTO = 2, /* protocol unreachable */
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UIP_ICMP_DUR_PORT = 3, /* port unreachable */
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UIP_ICMP_DUR_FRAG = 4, /* fragmentation needed and DF set */
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UIP_ICMP_DUR_SR = 5 /* source route failed */
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};
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PACK_STRUCT_BEGIN
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struct uip_icmp_echo_hdr {
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PACK_STRUCT_FIELD(u16_t _type_code);
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PACK_STRUCT_FIELD(u16_t chksum);
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PACK_STRUCT_FIELD(u16_t id);
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PACK_STRUCT_FIELD(u16_t seqno);
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} PACK_STRUCT_STRUCT;
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PACK_STRUCT_END
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PACK_STRUCT_BEGIN
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struct uip_icmp_dur_hdr {
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PACK_STRUCT_FIELD(u16_t _type_code);
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PACK_STRUCT_FIELD(u16_t chksum);
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PACK_STRUCT_FIELD(u32_t unused);
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} PACK_STRUCT_STRUCT;
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PACK_STRUCT_END
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struct uip_pbuf;
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struct uip_netif;
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void uip_icmpinput(struct uip_pbuf *p,struct uip_netif *inp);
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void uip_icmp_destunreach(struct uip_pbuf *p,enum uip_icmp_dur_type t);
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#endif
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