Subversion Repositories HelenOS

Rev

Rev 4707 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 4707 Rev 4715
Line 41... Line 41...
41 
#include <sys/types.h>
 41 
#include <sys/types.h>
42 
 
 42 
 
43 
#include "../../include/in.h"
 43 
#include "../../include/in.h"
44 
#include "../../include/icmp_codes.h"
 44 
#include "../../include/icmp_codes.h"
45 
 
 45 
 
- 
 
 46 
/** Type definition of the echo specific data.
- 
 
 47 
 *  @see icmp_echo
- 
 
 48 
 */
- 
 
 49 
typedef struct icmp_echo    icmp_echo_t;
- 
 
 50 
 
- 
 
 51 
/** Type definition of the echo specific data pointer.
- 
 
 52 
 *  @see icmp_echo
- 
 
 53 
 */
- 
 
 54 
typedef icmp_echo_t *       icmp_echo_ref;
- 
 
 55 
 
- 
 
 56 
/** Echo specific data.
- 
 
 57 
 */
- 
 
 58 
struct icmp_echo{
- 
 
 59 
    /** Message idintifier.
- 
 
 60 
     */
- 
 
 61 
    icmp_param_t    id;
- 
 
 62 
    /** Message sequence number.
- 
 
 63 
     */
- 
 
 64 
    icmp_param_t    sequence;
- 
 
 65 
} __attribute__ ((packed));
- 
 
 66 
 
46 
/** Type definition of the user datagram header.
 67 
/** Type definition of the internet control message header.
47 
 *  @see icmp_header
 68 
 *  @see icmp_header
48 
 */
 69 
 */
49 
typedef struct icmp_header  icmp_header_t;
 70 
typedef struct icmp_header  icmp_header_t;
50 
 
 71 
 
51 
/** Type definition of the user datagram header pointer.
 72 
/** Type definition of the internet control message header pointer.
52 
 *  @see icmp_header
 73 
 *  @see icmp_header
53 
 */
 74 
 */
54 
typedef icmp_header_t *     icmp_header_ref;
 75 
typedef icmp_header_t *     icmp_header_ref;
55 
 
 76 
 
56 
/** User datagram header.
 77 
/** Internet control message header.
57 
 */
 78 
 */
58 
struct icmp_header{
 79 
struct icmp_header{
59 
    /** Specifies the type of the message.
 80 
    /** Specifies the type of the message.
60 
     */
 81 
     */
61 
    uint8_t type;
 82 
    uint8_t type;
Line 65... Line 86...
65 
    uint8_t code;
 86 
    uint8_t code;
66 
    /** Contains the checksum for the ICMP message starting with the ICMP Type field.
 87 
    /** Contains the checksum for the ICMP message starting with the ICMP Type field.
67 
     *  If the checksum does not match the contents, the datagram is discarded.
 88 
     *  If the checksum does not match the contents, the datagram is discarded.
68 
     */
 89 
     */
69 
    uint16_t    checksum;
 90 
    uint16_t    checksum;
70 
    /** \todo
 91 
    /** Message specific data.
71 
     */
 92 
     */
72 
    union{
 93 
    union{
- 
 
 94 
        /** Echo specific data.
73 
        struct{
 95 
         */
74 
            icmp_param_t    id;
 96 
        icmp_echo_t         echo;
75 
            icmp_param_t    sequence;
 97 
        /** Proposed gateway value.
76 
        } echo;
 98 
         */
77 
        in_addr_t           gateway;
 99 
        in_addr_t           gateway;
- 
 
 100 
        /** Fragmentation needed specific data.
- 
 
 101 
         */
78 
        struct{
 102 
        struct{
- 
 
 103 
            /** Unused field.
- 
 
 104 
             */
79 
            icmp_param_t    unused;
 105 
            icmp_param_t    _unused;
- 
 
 106 
            /** Proposed MTU.
- 
 
 107 
             */
80 
            icmp_param_t    mtu;
 108 
            icmp_param_t    mtu;
81 
        } frag;
 109 
        } frag;
- 
 
 110 
        /** Parameter problem specific data.
- 
 
 111 
         */
82 
        struct{
 112 
        struct{
- 
 
 113 
            /** Problem pointer.
- 
 
 114 
             */
83 
            icmp_param_t    pointer;
 115 
            icmp_param_t    pointer;
- 
 
 116 
            /** Unused field.
- 
 
 117 
             */
84 
            icmp_param_t    unused;
 118 
            icmp_param_t    _unused;
85 
        } param;
 119 
        } param;
86 
    } un;
 120 
    } un;
87 
} __attribute__ ((packed));
 121 
} __attribute__ ((packed));
88 
 
 122 
 
89 
#endif
 123 
#endif