proto.c
#include <internal/proto.h>
#include <internal/internal.h>
static const uint8_t invmap_icmp[] = {
[ICMP_ECHO] = ICMP_ECHOREPLY + 1,
[ICMP_ECHOREPLY] = ICMP_ECHO + 1,
[ICMP_TIMESTAMP] = ICMP_TIMESTAMPREPLY + 1,
[ICMP_TIMESTAMPREPLY] = ICMP_TIMESTAMP + 1,
[ICMP_INFO_REQUEST] = ICMP_INFO_REPLY + 1,
[ICMP_INFO_REPLY] = ICMP_INFO_REQUEST + 1,
[ICMP_ADDRESS] = ICMP_ADDRESSREPLY + 1,
[ICMP_ADDRESSREPLY] = ICMP_ADDRESS + 1
};
static const uint8_t invmap_icmpv6[] = {
[ICMPV6_ECHO_REQUEST - 128] = ICMPV6_ECHO_REPLY + 1,
[ICMPV6_ECHO_REPLY - 128] = ICMPV6_ECHO_REQUEST + 1,
[ICMPV6_NI_QUERY - 128] = ICMPV6_NI_REPLY + 1,
[ICMPV6_NI_REPLY - 128] = ICMPV6_NI_QUERY + 1
};
uint8_t __icmp_reply_type(uint8_t type)
{
if (type < ARRAY_SIZE(invmap_icmp))
return invmap_icmp[type];
return 0;
}
uint8_t __icmpv6_reply_type(uint8_t type)
{
if (type - 128 < ARRAY_SIZE(invmap_icmpv6))
return invmap_icmpv6[type - 128];
return 0;
}