| 36,11 → 36,15 |
|---|
| */ |
| |
| #include <async.h> |
| #include <atomic.h> |
| #include <fibril.h> |
| #include <fibril_sync.h> |
| |
| #include <ipc/ipc.h> |
| #include <ipc/services.h> |
| |
| #include <sys/types.h> |
| |
| #include "../../err.h" |
| #include "../../messages.h" |
| #include "../../modules.h" |
| 47,14 → 51,20 |
|---|
| |
| #include "../../structures/packet/packet_client.h" |
| |
| #include "../../include/byteorder.h" |
| #include "../../include/crc.h" |
| #include "../../include/icmp_api.h" |
| #include "../../include/icmp_client.h" |
| #include "../../include/icmp_codes.h" |
| #include "../../include/icmp_client.h" |
| #include "../../include/icmp_common.h" |
| #include "../../include/icmp_interface.h" |
| #include "../../include/il_interface.h" |
| #include "../../include/inet.h" |
| #include "../../include/ip_client.h" |
| #include "../../include/ip_interface.h" |
| #include "../../include/il_interface.h" |
| #include "../../include/ip_protocols.h" |
| #include "../../include/socket_codes.h" |
| #include "../../include/socket_errno.h" |
| |
| #include "../../tl/tl_messages.h" |
| |
| 65,8 → 75,12 |
|---|
| |
| #define ICMP_KEEP_LENGTH 8 |
| |
| #define ICMP_HEADER_CHECKSUM( header ) compact_checksum(compute_checksum( 0, ( uint8_t * ) header, sizeof( icmp_header_t ))) |
| #define ICMP_CHECKSUM( header, length ) htons( ip_checksum(( uint8_t * ) ( header ), ( length ))) |
| |
| #define ICMP_ECHO_TEXT "Hello from HelenOS." |
| |
| #define ICMP_GET_LOCK_KEY( id, sequence ) ((( id ) << 16 ) | ( sequence & 0xFFFF )) |
| |
| /** Processes the received ICMP packet. |
| * Is used as an entry point from the underlying IP module. |
| * Releases the packet on error. |
| 82,6 → 96,7 |
|---|
| /** Processes the received ICMP packet. |
| * Notifies the destination socket application. |
| * @param packet The received packet. Input/output parameter. |
| * @param error The packet error reporting service. Prefixes the received packet. Input parameter. |
| * @returns EOK on success. |
| * @returns EINVAL if the packet is not valid. |
| * @returns EINVAL if the stored packet address is not the an_addr_t. |
| 91,21 → 106,148 |
|---|
| * @returns EADDRNOTAVAIL if the destination socket does not exist. |
| * @returns Other error codes as defined for the ip_client_process_packet() function. |
| */ |
| int icmp_process_packet( packet_t packet ); |
| int icmp_process_packet( packet_t packet, services_t error ); |
| |
| /** Processes the client messages. |
| * Remenbers the assigned identifier and sequence numbers. |
| * Runs until the client module disconnects. |
| * @param callid The message identifier. Input parameter. |
| * @param call The message parameters. Input parameter. |
| * @returns EOK on success. |
| * @see icmp_interface.h |
| */ |
| int icmp_process_client_messages( ipc_callid_t callid, ipc_call_t call ); |
| |
| /** Releases the packet and returns the result. |
| * @param packet The packet queue to be released. Input parameter. |
| * @param result The result to be returned. Input parameter. |
| * @return The result parameter. |
| */ |
| int icmp_release_and_return( packet_t packet, int result ); |
| |
| int icmp_echo( icmp_param_t id, icmp_param_t sequence, size_t size, suseconds_t timeout, ip_ttl_t ttl, ip_tos_t tos, int dont_fragment, const struct sockaddr * addr, socklen_t addrlen ); |
| icmp_header_ref icmp_prepare_packet( packet_t packet ); |
| int icmp_send_packet( icmp_type_t type, icmp_code_t code, packet_t packet, icmp_header_ref header ); |
| int icmp_send_packet( icmp_type_t type, icmp_code_t code, packet_t packet, icmp_header_ref header, services_t error ); |
| int process_echo_reply( packet_t packet, icmp_header_ref header, icmp_type_t type, icmp_code_t code ); |
| |
| /** ICMP global data. |
| */ |
| icmp_globals_t icmp_globals; |
| |
| int icmp_echo_msg( int icmp_phone, icmp_param_t identifier, icmp_param_t sequence_number, const void * data, size_t length ){ |
| // TODO echo - with timeout |
| // waits for the reply up to the timeout |
| return ENOTSUP; |
| INT_MAP_IMPLEMENT( time_locks, atomic_t ); |
| |
| GENERIC_FIELD_IMPLEMENT( echo_data, icmp_echo_t ); |
| |
| int icmp_echo_msg( int icmp_phone, size_t size, suseconds_t timeout, ip_ttl_t ttl, ip_tos_t tos, int dont_fragment, const struct sockaddr * addr, socklen_t addrlen ){ |
| icmp_echo_ref echo_data; |
| int res; |
| |
| fibril_rwlock_write_lock( & icmp_globals.lock ); |
| // use the phone as the echo data index |
| echo_data = echo_data_get_index( & icmp_globals.echo_data, icmp_phone ); |
| if( ! echo_data ){ |
| res = ENOENT; |
| }else{ |
| res = icmp_echo( echo_data->id, echo_data->sequence, size, timeout, ttl, tos, dont_fragment, addr, addrlen ); |
| ++ echo_data->sequence; |
| } |
| fibril_rwlock_write_unlock( & icmp_globals.lock ); |
| return res; |
| } |
| |
| int icmp_echo( icmp_param_t id, icmp_param_t sequence, size_t size, suseconds_t timeout, ip_ttl_t ttl, ip_tos_t tos, int dont_fragment, const struct sockaddr * addr, socklen_t addrlen ){ |
| ERROR_DECLARE; |
| |
| icmp_header_ref header; |
| packet_t packet; |
| size_t offset; |
| uint8_t * data; |
| atomic_t * lock; |
| int result; |
| int index; |
| int lock_key; |
| struct sockaddr_in * address_in; |
| struct timeval time_before; |
| struct timeval time_after; |
| |
| // TODO do not ask all the time |
| ERROR_PROPAGATE( ip_packet_size_req( icmp_globals.ip_phone, -1, & icmp_globals.addr_len, & icmp_globals.prefix, & icmp_globals.content, & icmp_globals.suffix )); |
| packet = packet_get_4( icmp_globals.net_phone, size, icmp_globals.addr_len, sizeof( icmp_header_t ) + icmp_globals.prefix, icmp_globals.suffix ); |
| if( ! packet ) return ENOMEM; |
| // set the destination address |
| if( addrlen < sizeof( struct sockaddr )){ |
| return icmp_release_and_return( packet, EINVAL ); |
| } |
| switch( addr->sa_family ){ |
| case AF_INET: |
| if( addrlen != sizeof( struct sockaddr_in )){ |
| return icmp_release_and_return( packet, EINVAL ); |
| } |
| address_in = ( struct sockaddr_in * ) addr; |
| if( ERROR_OCCURRED( packet_set_addr( packet, NULL, ( uint8_t * ) & address_in->sin_addr.s_addr, sizeof( address_in->sin_addr.s_addr )))){ |
| return icmp_release_and_return( packet, ERROR_CODE ); |
| } |
| break; |
| default: |
| return icmp_release_and_return( packet, EAFNOSUPPORT ); |
| } |
| // allocate space in the packet |
| data = ( uint8_t * ) packet_suffix( packet, size ); |
| if( ! data ){ |
| return icmp_release_and_return( packet, ENOMEM ); |
| } |
| offset = 0; |
| while( size > offset + sizeof( ICMP_ECHO_TEXT )){ |
| memcpy( data + offset, ICMP_ECHO_TEXT, sizeof( ICMP_ECHO_TEXT )); |
| offset += sizeof( ICMP_ECHO_TEXT ); |
| } |
| memcpy( data + offset, ICMP_ECHO_TEXT, size - offset ); |
| header = icmp_prepare_packet( packet ); |
| if( ! header ){ |
| return icmp_release_and_return( packet, ENOMEM ); |
| } |
| header->un.echo.id = id; |
| header->un.echo.sequence = sequence; |
| lock_key = ICMP_GET_LOCK_KEY( header->un.echo.id, header->un.echo.sequence ); |
| // create a locked fuxed |
| lock = malloc( sizeof( * lock )); |
| if( ! lock ){ |
| return icmp_release_and_return( packet, ENOMEM ); |
| } |
| atomic_set( lock, 0 ); |
| index = time_locks_add( & icmp_globals.time_locks, lock_key, lock ); |
| if( index < 0 ){ |
| free( lock ); |
| return icmp_release_and_return( packet, index ); |
| } |
| if( ERROR_OCCURRED( icmp_send_packet( ICMP_ECHO, 0, packet, header, 0 ))){ |
| free( lock ); |
| return icmp_release_and_return( packet, ERROR_CODE ); |
| } |
| // unlock the global to allow unlocking and other fibrils to work |
| // try to lock again - may be unlocked by the reply |
| ERROR_PROPAGATE( gettimeofday( & time_before, NULL )); |
| do{ |
| result = atomic_get( lock ); |
| if( result ){ |
| break; |
| }else{ |
| fibril_rwlock_write_unlock( & icmp_globals.lock ); |
| // TODO does not yield? |
| //printf( "y %d\n", fibril_yield()); |
| fibril_yield(); |
| fibril_rwlock_write_lock( & icmp_globals.lock ); |
| ERROR_PROPAGATE( gettimeofday( & time_after, NULL )); |
| } |
| }while( tv_sub( & time_after, & time_before ) <= timeout ); |
| if( ! result ){ |
| result = ELIMIT; |
| } |
| // destroy the lock |
| time_locks_exclude_index( & icmp_globals.time_locks, index ); |
| return result; |
| } |
| |
| int icmp_destination_unreachable_msg( int icmp_phone, icmp_code_t code, icmp_param_t mtu, packet_t packet ){ |
| icmp_header_ref header; |
| |
| 114,7 → 256,7 |
|---|
| if( mtu ){ |
| header->un.frag.mtu = mtu; |
| } |
| return icmp_send_packet( ICMP_DEST_UNREACH, code, packet, header ); |
| return icmp_send_packet( ICMP_DEST_UNREACH, code, packet, header, SERVICE_ICMP ); |
| } |
| |
| int icmp_source_quench_msg( int icmp_phone, packet_t packet ){ |
| 122,7 → 264,7 |
|---|
| |
| header = icmp_prepare_packet( packet ); |
| if( ! header ) return ENOMEM; |
| return icmp_send_packet( ICMP_SOURCE_QUENCH, ICMP_SOURCE_QUENCH, packet, header ); |
| return icmp_send_packet( ICMP_SOURCE_QUENCH, 0, packet, header, SERVICE_ICMP ); |
| } |
| |
| int icmp_time_exceeded_msg( int icmp_phone, icmp_code_t code, packet_t packet ){ |
| 130,7 → 272,7 |
|---|
| |
| header = icmp_prepare_packet( packet ); |
| if( ! header ) return ENOMEM; |
| return icmp_send_packet( ICMP_TIME_EXCEEDED, code, packet, header ); |
| return icmp_send_packet( ICMP_TIME_EXCEEDED, code, packet, header, SERVICE_ICMP ); |
| } |
| |
| int icmp_parameter_problem_msg( int icmp_phone, icmp_code_t code, icmp_param_t pointer, packet_t packet ){ |
| 139,7 → 281,7 |
|---|
| header = icmp_prepare_packet( packet ); |
| if( ! header ) return ENOMEM; |
| header->un.param.pointer = pointer; |
| return icmp_send_packet( ICMP_PARAMETERPROB, code, packet, header ); |
| return icmp_send_packet( ICMP_PARAMETERPROB, code, packet, header, SERVICE_ICMP ); |
| } |
| |
| icmp_header_ref icmp_prepare_packet( packet_t packet ){ |
| 164,22 → 306,39 |
|---|
| return header; |
| } |
| |
| int icmp_send_packet( icmp_type_t type, icmp_code_t code, packet_t packet, icmp_header_ref header ){ |
| int icmp_send_packet( icmp_type_t type, icmp_code_t code, packet_t packet, icmp_header_ref header, services_t error ){ |
| ERROR_DECLARE; |
| |
| header->type = type; |
| header->code = code; |
| header->checksum = 0; |
| header->checksum = ICMP_HEADER_CHECKSUM( header ); |
| header->checksum = ICMP_CHECKSUM( header, packet_get_data_length( packet )); |
| if( ERROR_OCCURRED( ip_client_prepare_packet( packet, IPPROTO_ICMP, 0, 0, 0, 0 ))){ |
| pq_release( icmp_globals.net_phone, packet_get_id( packet )); |
| return ERROR_CODE; |
| } |
| return ip_send_msg( icmp_globals.ip_phone, -1, packet, SERVICE_ICMP, SERVICE_ICMP ); |
| return ip_send_msg( icmp_globals.ip_phone, -1, packet, SERVICE_ICMP, error ); |
| } |
| |
| int icmp_connect_module( services_t service ){ |
| return EOK; |
| icmp_echo_ref echo_data; |
| int index; |
| |
| echo_data = ( icmp_echo_ref ) malloc( sizeof( * echo_data )); |
| if( ! echo_data ) return ENOMEM; |
| // assign a new identifier |
| fibril_rwlock_write_lock( & icmp_globals.lock ); |
| ++ icmp_globals.last_used_id; |
| echo_data->id = icmp_globals.last_used_id; |
| echo_data->sequence = 0; |
| // remember the assigned echo data |
| index = echo_data_add( & icmp_globals.echo_data, echo_data ); |
| if( index < 0 ){ |
| free( echo_data ); |
| } |
| fibril_rwlock_write_unlock( & icmp_globals.lock ); |
| // return the echo data index as the ICMP phone |
| return index; |
| } |
| |
| int icmp_initialize( async_client_conn_t client_connection ){ |
| 187,6 → 346,8 |
|---|
| |
| fibril_rwlock_initialize( & icmp_globals.lock ); |
| fibril_rwlock_write_lock( & icmp_globals.lock ); |
| time_locks_initialize( & icmp_globals.time_locks ); |
| echo_data_initialize( & icmp_globals.echo_data ); |
| icmp_globals.ip_phone = ip_bind_service( SERVICE_IP, IPPROTO_ICMP, SERVICE_ICMP, client_connection, icmp_received_msg ); |
| if( icmp_globals.ip_phone < 0 ){ |
| return icmp_globals.ip_phone; |
| 201,12 → 362,8 |
|---|
| int icmp_received_msg( device_id_t device_id, packet_t packet, services_t receiver, services_t error ){ |
| ERROR_DECLARE; |
| |
| if( error ){ |
| if( ERROR_OCCURRED( icmp_process_packet( packet, error ))){ |
| pq_release( icmp_globals.net_phone, packet_get_id( packet )); |
| return EINVAL; |
| } |
| if( ERROR_OCCURRED( icmp_process_packet( packet ))){ |
| pq_release( icmp_globals.net_phone, packet_get_id( packet )); |
| return ERROR_CODE; |
| } |
| |
| 213,12 → 370,34 |
|---|
| return EOK; |
| } |
| |
| int icmp_process_packet( packet_t packet ){ |
| int icmp_process_packet( packet_t packet, services_t error ){ |
| ERROR_DECLARE; |
| |
| size_t length; |
| uint8_t * src; |
| int addrlen; |
| int result; |
| void * data; |
| icmp_header_ref header; |
| icmp_type_t type; |
| icmp_code_t code; |
| |
| if( error ){ |
| switch( error ){ |
| case SERVICE_ICMP: |
| // process error |
| // TODO remove debug dump |
| // length = icmp_client_header_length( packet ); |
| result = icmp_client_process_packet( packet, & type, & code, NULL, NULL ); |
| if( result < 0 ) return result; |
| length = ( size_t ) result; |
| printf( "ICMP error %d (%d) in packet %d\n", type, code, packet_get_id( packet ) ); |
| ERROR_PROPAGATE( packet_trim( packet, length, 0 )); |
| break; |
| default: |
| return ENOTSUP; |
| } |
| } |
| // get rid of the ip header |
| result = ip_client_process_packet( packet, NULL, NULL, NULL, NULL, NULL ); |
| if( result < 0 ) return result; |
| 232,11 → 411,60 |
|---|
| // get icmp header |
| header = ( icmp_header_ref ) data; |
| // checksum |
| if(( header->checksum ) && ( ICMP_HEADER_CHECKSUM( header ))){ |
| if(( header->checksum ) && ( ICMP_CHECKSUM( header, length ))){ |
| return EINVAL; |
| } |
| // TODO process requests and replies |
| ip_received_error_msg( icmp_globals.ip_phone, -1, packet, SERVICE_IP, SERVICE_ICMP ); |
| switch( header->type ){ |
| case ICMP_ECHOREPLY: |
| return process_echo_reply( packet, header, ICMP_ECHO, 0 ); |
| case ICMP_ECHO: |
| if( error ){ |
| return process_echo_reply( packet, header, type, code ); |
| }else{ |
| addrlen = packet_get_addr( packet, & src, NULL ); |
| if(( addrlen > 0 ) |
| // set both addresses to the source one (avoids the source address deletion before setting the destination one) |
| && ( packet_set_addr( packet, src, src, ( size_t ) addrlen ) == EOK )){ |
| // send the reply |
| return icmp_send_packet( ICMP_ECHOREPLY, 0, packet, header, 0 ); |
| }else{ |
| return icmp_release_and_return( packet, EINVAL ); |
| } |
| } |
| case ICMP_DEST_UNREACH: |
| case ICMP_SOURCE_QUENCH: |
| case ICMP_REDIRECT: |
| case ICMP_ALTERNATE_ADDR: |
| case ICMP_ROUTER_ADV: |
| case ICMP_ROUTER_SOL: |
| case ICMP_TIME_EXCEEDED: |
| case ICMP_PARAMETERPROB: |
| case ICMP_CONVERSION_ERROR: |
| case ICMP_REDIRECT_MOBILE: |
| case ICMP_SKIP: |
| case ICMP_PHOTURIS: |
| fibril_rwlock_read_lock( & icmp_globals.lock ); |
| ip_received_error_msg( icmp_globals.ip_phone, -1, packet, SERVICE_IP, SERVICE_ICMP ); |
| fibril_rwlock_read_unlock( & icmp_globals.lock ); |
| return EOK; |
| default: |
| return icmp_release_and_return( packet, ENOTSUP ); |
| } |
| } |
| |
| int process_echo_reply( packet_t packet, icmp_header_ref header, icmp_type_t type, icmp_code_t code ){ |
| int lock_key; |
| atomic_t * lock; |
| |
| lock_key = ICMP_GET_LOCK_KEY( header->un.echo.id, header->un.echo.sequence ); |
| fibril_rwlock_write_lock( & icmp_globals.lock ); |
| lock = time_locks_find( & icmp_globals.time_locks, lock_key ); |
| if( lock ){ |
| // unlock the lock for the waiting fibril |
| atomic_set( lock, type ); |
| } |
| pq_release( icmp_globals.net_phone, packet_get_id( packet )); |
| fibril_rwlock_write_unlock( & icmp_globals.lock ); |
| return EOK; |
| } |
| |
| 243,32 → 471,111 |
|---|
| int icmp_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
| ERROR_DECLARE; |
| |
| packet_t packet; |
| packet_t packet; |
| |
| * answer_count = 0; |
| switch( IPC_GET_METHOD( * call )){ |
| case NET_TL_RECEIVED: |
| fibril_rwlock_read_lock( & icmp_globals.lock ); |
| if( ! ERROR_OCCURRED( packet_translate( icmp_globals.net_phone, & packet, IPC_GET_PACKET( call )))){ |
| ERROR_CODE = icmp_received_msg( IPC_GET_DEVICE( call ), packet, SERVICE_ICMP, IPC_GET_ERROR( call )); |
| } |
| fibril_rwlock_read_unlock( & icmp_globals.lock ); |
| return ERROR_CODE; |
| case NET_ICMP_DEST_UNREACH: |
| ERROR_PROPAGATE( packet_translate( icmp_globals.net_phone, & packet, IPC_GET_PACKET( call ))); |
| return icmp_destination_unreachable_msg( 0, ICMP_GET_CODE( call ), ICMP_GET_MTU( call ), packet ); |
| case NET_ICMP_SOURCE_QUENCH: |
| ERROR_PROPAGATE( packet_translate( icmp_globals.net_phone, & packet, IPC_GET_PACKET( call ))); |
| return icmp_source_quench_msg( 0, packet ); |
| case NET_ICMP_TIME_EXCEEDED: |
| ERROR_PROPAGATE( packet_translate( icmp_globals.net_phone, & packet, IPC_GET_PACKET( call ))); |
| return icmp_time_exceeded_msg( 0, ICMP_GET_CODE( call ), packet ); |
| case NET_ICMP_PARAMETERPROB: |
| ERROR_PROPAGATE( packet_translate( icmp_globals.net_phone, & packet, IPC_GET_PACKET( call ))); |
| return icmp_parameter_problem_msg( 0, ICMP_GET_CODE( call ), ICMP_GET_POINTER( call ), packet ); |
| case NET_ICMP_INIT: |
| return icmp_process_client_messages( callid, * call ); |
| } |
| return ENOTSUP; |
| } |
| |
| int icmp_process_client_messages( ipc_callid_t callid, ipc_call_t call ){ |
| ERROR_DECLARE; |
| |
| bool keep_on_going = true; |
| fibril_rwlock_t lock; |
| ipc_call_t answer; |
| int answer_count; |
| packet_t packet; |
| size_t addrlen; |
| struct sockaddr * addr; |
| icmp_param_t id; |
| icmp_param_t sequence = 0; |
| ipc_callid_t data_callid; |
| |
| /* |
| * Accept the connection |
| * - Answer the first NET_ICMP_INIT call. |
| */ |
| ipc_answer_0( callid, EOK ); |
| |
| fibril_rwlock_initialize( & lock ); |
| |
| // assign a new identifier |
| fibril_rwlock_write_lock( & icmp_globals.lock ); |
| ++ icmp_globals.last_used_id; |
| id = icmp_globals.last_used_id; |
| fibril_rwlock_write_unlock( & icmp_globals.lock ); |
| |
| while( keep_on_going ){ |
| refresh_answer( & answer, & answer_count ); |
| |
| callid = async_get_call( & call ); |
| |
| switch( IPC_GET_METHOD( call )){ |
| case IPC_M_PHONE_HUNGUP: |
| keep_on_going = false; |
| ERROR_CODE = EOK; |
| break; |
| case NET_ICMP_ECHO: |
| fibril_rwlock_write_lock( & lock ); |
| if( ! ipc_data_write_receive( & data_callid, & addrlen )){ |
| ERROR_CODE = EINVAL; |
| }else{ |
| addr = malloc( addrlen ); |
| if( ! addr ){ |
| ERROR_CODE = ENOMEM; |
| }else{ |
| if( ! ERROR_OCCURRED( ipc_data_write_finalize( data_callid, addr, addrlen ))){ |
| fibril_rwlock_write_lock( & icmp_globals.lock ); |
| ERROR_CODE = icmp_echo( id, sequence, ICMP_GET_SIZE( call ), ICMP_GET_TIMEOUT( call ), ICMP_GET_TTL( call ), ICMP_GET_TOS( call ), ICMP_GET_DONT_FRAGMENT( call ), addr, addrlen ); |
| fibril_rwlock_write_unlock( & icmp_globals.lock ); |
| free( addr ); |
| ++ sequence; |
| } |
| } |
| } |
| fibril_rwlock_write_unlock( & lock ); |
| break; |
| case NET_ICMP_DEST_UNREACH: |
| if( ! ERROR_OCCURRED( packet_translate( icmp_globals.net_phone, & packet, IPC_GET_PACKET( & call )))){ |
| ERROR_CODE = icmp_destination_unreachable_msg( 0, ICMP_GET_CODE( call ), ICMP_GET_MTU( call ), packet ); |
| } |
| break; |
| case NET_ICMP_SOURCE_QUENCH: |
| if( ! ERROR_OCCURRED( packet_translate( icmp_globals.net_phone, & packet, IPC_GET_PACKET( & call )))){ |
| ERROR_CODE = icmp_source_quench_msg( 0, packet ); |
| } |
| case NET_ICMP_TIME_EXCEEDED: |
| if( ! ERROR_OCCURRED( packet_translate( icmp_globals.net_phone, & packet, IPC_GET_PACKET( & call )))){ |
| ERROR_CODE = icmp_time_exceeded_msg( 0, ICMP_GET_CODE( call ), packet ); |
| } |
| break; |
| case NET_ICMP_PARAMETERPROB: |
| if( ! ERROR_OCCURRED( packet_translate( icmp_globals.net_phone, & packet, IPC_GET_PACKET( & call )))){ |
| ERROR_CODE = icmp_parameter_problem_msg( 0, ICMP_GET_CODE( call ), ICMP_GET_POINTER( call ), packet ); |
| } |
| default: |
| ERROR_CODE = ENOTSUP; |
| } |
| |
| answer_call( callid, ERROR_CODE, & answer, answer_count ); |
| } |
| |
| return EOK; |
| } |
| |
| int icmp_release_and_return( packet_t packet, int result ){ |
| pq_release( icmp_globals.net_phone, packet_get_id( packet )); |
| return result; |
| } |
| |
| /** @} |
| */ |