* Finished groundwork on ICMP by introducing a completely protocol agnostic
error mechanism. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37896 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
@@ -1,59 +0,0 @@
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/*
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* Copyright 2006-2010, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef ICMP_H
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#define ICMP_H
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// TODO: this will go private soon
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// RFC 792
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#define ICMP_TYPE_ECHO_REPLY 0
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#define ICMP_TYPE_UNREACH 3
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#define ICMP_TYPE_SOURCE_QUENCH 4
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#define ICMP_TYPE_REDIRECT 5
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#define ICMP_TYPE_ECHO_REQUEST 8
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#define ICMP_TYPE_TIME_EXCEEDED 11
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#define ICMP_TYPE_PARAM_PROBLEM 12
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#define ICMP_TYPE_TIMESTAMP_REQUEST 13
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#define ICMP_TYPE_TIMESTAMP_REPLY 14
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#define ICMP_TYPE_INFO_REQUEST 15
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#define ICMP_TYPE_INFO_REPLY 16
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// RFC 950
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#define ICMP_TYPE_ADDR_MASK_REQUEST 17
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#define ICMP_TYPE_ADDR_MASK_REPLY 18
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#define ICMP_CODE_TIMEEX_IN_TRANSIT 0
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#define ICMP_CODE_TIMEEX_FRAG 1
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#define ICMP_CODE_PARAM_PROBLEM 0
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#define ICMP_CODE_SOURCE_QUENCH 0
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#define ICMP_CODE_NET_UNREACH 0
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#define ICMP_CODE_HOST_UNREACH 1
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#define ICMP_CODE_PROTO_UNREACH 2
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#define ICMP_CODE_PORT_UNREACH 3
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#define ICMP_CODE_FRAG_NEEDED 4
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#define ICMP_CODE_SOURCE_ROUTE_FAIL 5
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#define ICMP_CODE_REDIRECT_NET 0
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#define ICMP_CODE_REDIRECT_HOST 1
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#define ICMP_CODE_REDIRECT_TOS_NET 2
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#define ICMP_CODE_REDIRECT_TOS_HOST 3
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static inline void
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icmp_decode(uint32 errorCode, uint8 &type, uint8 &code)
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{
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type = errorCode >> 8;
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code = errorCode & 0x0FF;
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}
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static inline uint32
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icmp_encode(uint8 type, uint8 code)
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{
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return ((uint32)type << 8) + code;
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}
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#endif // ICMP_H
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@@ -1,5 +1,5 @@
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/*
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* Copyright 2006-2008, Haiku, Inc. All Rights Reserved.
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* Copyright 2006-2010, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef NET_PROTOCOL_H
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@@ -10,84 +10,109 @@
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#include <net_socket.h>
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struct ancillary_data_container;
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struct ancillary_data_header;
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struct iovec;
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typedef struct net_domain net_domain;
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typedef struct net_route net_route;
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// level flags to pass to control()
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#define LEVEL_SET_OPTION 0x10000000
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#define LEVEL_GET_OPTION 0x20000000
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#define LEVEL_DRIVER_IOCTL 0x0f000000
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#define LEVEL_MASK 0x0fffffff
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struct ancillary_data_container;
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struct ancillary_data_header;
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// Error codes for error_received(), and error_reply()
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enum net_error {
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B_NET_ERROR_REDIRECT_HOST = 1,
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B_NET_ERROR_UNREACH_NET,
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B_NET_ERROR_UNREACH_HOST,
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B_NET_ERROR_UNREACH_PROTOCOL,
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B_NET_ERROR_UNREACH_PORT,
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B_NET_ERROR_MESSAGE_SIZE,
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B_NET_ERROR_TRANSIT_TIME_EXCEEDED,
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B_NET_ERROR_REASSEMBLY_TIME_EXCEEDED,
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B_NET_ERROR_PARAMETER_PROBLEM,
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B_NET_ERROR_QUENCH,
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};
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struct iovec;
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typedef union net_error_data {
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struct sockaddr_storage gateway;
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uint32 mtu;
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uint32 error_offset;
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} net_error_data;
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typedef struct net_protocol {
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struct net_protocol *next;
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struct net_protocol_module_info *module;
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net_socket *socket;
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struct net_protocol* next;
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struct net_protocol_module_info* module;
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net_socket* socket;
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} net_protocol;
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// net_protocol_module_info::flags field
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#define NET_PROTOCOL_ATOMIC_MESSAGES 0x01
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struct net_protocol_module_info {
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module_info info;
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uint32 flags;
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net_protocol *(*init_protocol)(net_socket *socket);
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status_t (*uninit_protocol)(net_protocol *self);
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net_protocol* (*init_protocol)(net_socket* socket);
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status_t (*uninit_protocol)(net_protocol* self);
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status_t (*open)(net_protocol *self);
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status_t (*close)(net_protocol *self);
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status_t (*free)(net_protocol *self);
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status_t (*open)(net_protocol* self);
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status_t (*close)(net_protocol* self);
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status_t (*free)(net_protocol* self);
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status_t (*connect)(net_protocol *self, const struct sockaddr *address);
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status_t (*accept)(net_protocol *self, struct net_socket **_acceptedSocket);
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status_t (*control)(net_protocol *self, int level, int option, void *value,
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size_t *_length);
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status_t (*getsockopt)(net_protocol *self, int level, int option,
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void *value, int *_length);
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status_t (*setsockopt)(net_protocol *self, int level, int option,
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const void *value, int length);
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status_t (*connect)(net_protocol* self, const struct sockaddr* address);
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status_t (*accept)(net_protocol* self, net_socket** _acceptedSocket);
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status_t (*control)(net_protocol* self, int level, int option,
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void* value, size_t* _length);
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status_t (*getsockopt)(net_protocol* self, int level, int option,
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void* value, int* _length);
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status_t (*setsockopt)(net_protocol* self, int level, int option,
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const void* value, int length);
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status_t (*bind)(net_protocol *self, const struct sockaddr *address);
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status_t (*unbind)(net_protocol *self, struct sockaddr *address);
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status_t (*listen)(net_protocol *self, int count);
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status_t (*shutdown)(net_protocol *self, int direction);
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status_t (*bind)(net_protocol* self, const struct sockaddr* address);
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status_t (*unbind)(net_protocol* self, struct sockaddr* address);
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status_t (*listen)(net_protocol* self, int count);
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status_t (*shutdown)(net_protocol* self, int direction);
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status_t (*send_data)(net_protocol *self, net_buffer *buffer);
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status_t (*send_routed_data)(net_protocol *self,
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struct net_route *route, net_buffer *buffer);
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ssize_t (*send_avail)(net_protocol *self);
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status_t (*send_data)(net_protocol* self, net_buffer* buffer);
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status_t (*send_routed_data)(net_protocol* self, net_route* route,
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net_buffer* buffer);
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ssize_t (*send_avail)(net_protocol* self);
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status_t (*read_data)(net_protocol *self, size_t numBytes, uint32 flags,
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net_buffer **_buffer);
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ssize_t (*read_avail)(net_protocol *self);
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status_t (*read_data)(net_protocol* self, size_t numBytes, uint32 flags,
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net_buffer** _buffer);
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ssize_t (*read_avail)(net_protocol* self);
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struct net_domain *(*get_domain)(net_protocol *self);
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size_t (*get_mtu)(net_protocol *self, const struct sockaddr *address);
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net_domain* (*get_domain)(net_protocol* self);
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size_t (*get_mtu)(net_protocol* self, const struct sockaddr* address);
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status_t (*receive_data)(net_buffer *data);
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status_t (*deliver_data)(net_protocol *protocol, net_buffer *data);
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status_t (*receive_data)(net_buffer* data);
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status_t (*deliver_data)(net_protocol* self, net_buffer* data);
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status_t (*error_received)(uint32 code, net_buffer *data);
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status_t (*error_reply)(net_protocol *self, net_buffer *causedError,
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uint32 code, void *errorData);
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status_t (*error_received)(net_error error, net_buffer* data);
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status_t (*error_reply)(net_protocol* self, net_buffer* cause,
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net_error error, net_error_data* errorData);
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status_t (*add_ancillary_data)(net_protocol *self,
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ancillary_data_container *container, const cmsghdr *header);
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ssize_t (*process_ancillary_data)(net_protocol *self,
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const ancillary_data_header *header, const void *data,
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void *buffer, size_t bufferSize);
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ssize_t (*process_ancillary_data_no_container)(net_protocol *self,
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net_buffer *buffer, void *data, size_t bufferSize);
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status_t (*add_ancillary_data)(net_protocol* self,
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ancillary_data_container* container, const cmsghdr* header);
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ssize_t (*process_ancillary_data)(net_protocol* self,
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const ancillary_data_header* header, const void* data,
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void* buffer, size_t bufferSize);
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ssize_t (*process_ancillary_data_no_container)(net_protocol* self,
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net_buffer* buffer, void* data, size_t bufferSize);
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ssize_t (*send_data_no_buffer)(net_protocol *self, const iovec *vecs,
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size_t vecCount, ancillary_data_container *ancillaryData,
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const struct sockaddr *address, socklen_t addressLength);
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ssize_t (*read_data_no_buffer)(net_protocol *self, const iovec *vecs,
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size_t vecCount, ancillary_data_container **_ancillaryData,
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struct sockaddr *_address, socklen_t *_addressLength);
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ssize_t (*send_data_no_buffer)(net_protocol* self, const iovec* vecs,
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size_t vecCount, ancillary_data_container* ancillaryData,
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const struct sockaddr* address, socklen_t addressLength);
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ssize_t (*read_data_no_buffer)(net_protocol* self, const iovec* vecs,
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size_t vecCount, ancillary_data_container** _ancillaryData,
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struct sockaddr* _address, socklen_t* _addressLength);
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};
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#endif // NET_PROTOCOL_H
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