diff options
Diffstat (limited to 'include/uapi/linux/icmp.h')
| -rw-r--r-- | include/uapi/linux/icmp.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/uapi/linux/icmp.h b/include/uapi/linux/icmp.h index 5589eeb791ca..163c0998aec9 100644 --- a/include/uapi/linux/icmp.h +++ b/include/uapi/linux/icmp.h @@ -19,6 +19,9 @@ #define _UAPI_LINUX_ICMP_H #include <linux/types.h> +#include <asm/byteorder.h> +#include <linux/if.h> +#include <linux/in6.h> #define ICMP_ECHOREPLY 0 /* Echo Reply */ #define ICMP_DEST_UNREACH 3 /* Destination Unreachable */ @@ -65,6 +68,23 @@ #define ICMP_EXC_TTL 0 /* TTL count exceeded */ #define ICMP_EXC_FRAGTIME 1 /* Fragment Reass time exceeded */ +/* Codes for EXT_ECHO (PROBE) */ +#define ICMP_EXT_ECHO 42 +#define ICMP_EXT_ECHOREPLY 43 +#define ICMP_EXT_CODE_MAL_QUERY 1 /* Malformed Query */ +#define ICMP_EXT_CODE_NO_IF 2 /* No such Interface */ +#define ICMP_EXT_CODE_NO_TABLE_ENT 3 /* No such Table Entry */ +#define ICMP_EXT_CODE_MULT_IFS 4 /* Multiple Interfaces Satisfy Query */ + +/* Constants for EXT_ECHO (PROBE) */ +#define ICMP_EXT_ECHOREPLY_ACTIVE (1 << 2)/* active bit in reply message */ +#define ICMP_EXT_ECHOREPLY_IPV4 (1 << 1)/* ipv4 bit in reply message */ +#define ICMP_EXT_ECHOREPLY_IPV6 1 /* ipv6 bit in reply message */ +#define ICMP_EXT_ECHO_CTYPE_NAME 1 +#define ICMP_EXT_ECHO_CTYPE_INDEX 2 +#define ICMP_EXT_ECHO_CTYPE_ADDR 3 +#define ICMP_AFI_IP 1 /* Address Family Identifier for ipv4 */ +#define ICMP_AFI_IP6 2 /* Address Family Identifier for ipv6 */ struct icmphdr { __u8 type; @@ -95,5 +115,48 @@ struct icmp_filter { __u32 data; }; +/* RFC 4884 extension struct: one per message */ +struct icmp_ext_hdr { +#if defined(__LITTLE_ENDIAN_BITFIELD) + __u8 reserved1:4, + version:4; +#elif defined(__BIG_ENDIAN_BITFIELD) + __u8 version:4, + reserved1:4; +#else +#error "Please fix <asm/byteorder.h>" +#endif + __u8 reserved2; + __sum16 checksum; +}; + +/* RFC 4884 extension object header: one for each object */ +struct icmp_extobj_hdr { + __be16 length; + __u8 class_num; + __u8 class_type; +}; +/* RFC 8335: 2.1 Header for c-type 3 payload */ +struct icmp_ext_echo_ctype3_hdr { + __be16 afi; + __u8 addrlen; + __u8 reserved; +}; + +/* RFC 8335: 2.1 Interface Identification Object */ +struct icmp_ext_echo_iio { + struct icmp_extobj_hdr extobj_hdr; + union { + char name[IFNAMSIZ]; + __be32 ifindex; + struct { + struct icmp_ext_echo_ctype3_hdr ctype3_hdr; + union { + __be32 ipv4_addr; + struct in6_addr ipv6_addr; + } ip_addr; + } addr; + } ident; +}; #endif /* _UAPI_LINUX_ICMP_H */ |