diff --git a/Makefile.dep b/Makefile.dep index 2eb99d5a6996611080d66c6f890a32a81356539b..143d9c6caf7efcf39451356d7acb1150cdf63a38 100644 --- a/Makefile.dep +++ b/Makefile.dep @@ -180,6 +180,10 @@ ifneq (,$(filter ng_pktdump,$(USEMODULE))) USEMODULE += od endif +ifneq (,$(filter ng_slip,$(USEMODULE))) + USEMODULE += ng_netbase +endif + ifneq (,$(filter aodvv2,$(USEMODULE))) USEMODULE += vtimer USEMODULE += sixlowpan diff --git a/dist/tools/licenses/patterns/3c-BSD-v3 b/dist/tools/licenses/patterns/3c-BSD-v3 new file mode 100644 index 0000000000000000000000000000000000000000..5ce604a752fe1de7b53e10eeefe9c528b8031941 --- /dev/null +++ b/dist/tools/licenses/patterns/3c-BSD-v3 @@ -0,0 +1 @@ +Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1\. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer\. 2\. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and or other materials provided with the distribution\. 3\. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission\. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED\. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES \(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION\) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT \(INCLUDING NEGLIGENCE OR OTHERWISE\) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE\. diff --git a/dist/tools/linux-border_router/Doxyfile b/dist/tools/linux-border_router/Doxyfile deleted file mode 100644 index a500fab62b3a2e9c4005cfe193bfaef80bd4e4a0..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/Doxyfile +++ /dev/null @@ -1,1719 +0,0 @@ -# Doxyfile 1.7.3 - -# This file describes the settings to be used by the documentation system -# doxygen (www.doxygen.org) for a project -# -# All text after a hash (#) is considered a comment and will be ignored -# The format is: -# TAG = value [value, ...] -# For lists items can also be appended using: -# TAG += value [value, ...] -# Values that contain spaces should be placed between quotes (" ") - -#--------------------------------------------------------------------------- -# Project related configuration options -#--------------------------------------------------------------------------- - -# This tag specifies the encoding used for all characters in the config file -# that follow. The default is UTF-8 which is also the encoding used for all -# text before the first occurrence of this tag. Doxygen uses libiconv (or the -# iconv built into libc) for the transcoding. See -# http://www.gnu.org/software/libiconv for the list of possible encodings. - -DOXYFILE_ENCODING = UTF-8 - -# The PROJECT_NAME tag is a single word (or a sequence of words surrounded -# by quotes) that should identify the project. - -PROJECT_NAME = "6LoWPAN Border Router linux driver" - -# The PROJECT_NUMBER tag can be used to enter a project or revision number. -# This could be handy for archiving the generated documentation or -# if some version control system is used. - -PROJECT_NUMBER = - -# Using the PROJECT_BRIEF tag one can provide an optional one line description -# for a project that appears at the top of each page and should give viewer -# a quick idea about the purpose of the project. Keep the description short. - -PROJECT_BRIEF = - -# With the PROJECT_LOGO tag one can specify an logo or icon that is -# included in the documentation. The maximum height of the logo should not -# exceed 55 pixels and the maximum width should not exceed 200 pixels. -# Doxygen will copy the logo to the output directory. - -PROJECT_LOGO = - -# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) -# base path where the generated documentation will be put. -# If a relative path is entered, it will be relative to the location -# where doxygen was started. If left blank the current directory will be used. - -OUTPUT_DIRECTORY = ../../Documentation/linux - -# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create -# 4096 sub-directories (in 2 levels) under the output directory of each output -# format and will distribute the generated files over these directories. -# Enabling this option can be useful when feeding doxygen a huge amount of -# source files, where putting all generated files in the same directory would -# otherwise cause performance problems for the file system. - -CREATE_SUBDIRS = NO - -# The OUTPUT_LANGUAGE tag is used to specify the language in which all -# documentation generated by doxygen is written. Doxygen will use this -# information to generate all constant output in the proper language. -# The default language is English, other supported languages are: -# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional, -# Croatian, Czech, Danish, Dutch, Esperanto, Farsi, Finnish, French, German, -# Greek, Hungarian, Italian, Japanese, Japanese-en (Japanese with English -# messages), Korean, Korean-en, Lithuanian, Norwegian, Macedonian, Persian, -# Polish, Portuguese, Romanian, Russian, Serbian, Serbian-Cyrillic, Slovak, -# Slovene, Spanish, Swedish, Ukrainian, and Vietnamese. - -OUTPUT_LANGUAGE = English - -# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will -# include brief member descriptions after the members that are listed in -# the file and class documentation (similar to JavaDoc). -# Set to NO to disable this. - -BRIEF_MEMBER_DESC = YES - -# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend -# the brief description of a member or function before the detailed description. -# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the -# brief descriptions will be completely suppressed. - -REPEAT_BRIEF = YES - -# This tag implements a quasi-intelligent brief description abbreviator -# that is used to form the text in various listings. Each string -# in this list, if found as the leading text of the brief description, will be -# stripped from the text and the result after processing the whole list, is -# used as the annotated text. Otherwise, the brief description is used as-is. -# If left blank, the following values are used ("$name" is automatically -# replaced with the name of the entity): "The $name class" "The $name widget" -# "The $name file" "is" "provides" "specifies" "contains" -# "represents" "a" "an" "the" - -ABBREVIATE_BRIEF = "The $name class" \ - "The $name widget" \ - "The $name file" \ - is \ - provides \ - specifies \ - contains \ - represents \ - a \ - an \ - the - -# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then -# Doxygen will generate a detailed section even if there is only a brief -# description. - -ALWAYS_DETAILED_SEC = NO - -# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all -# inherited members of a class in the documentation of that class as if those -# members were ordinary class members. Constructors, destructors and assignment -# operators of the base classes will not be shown. - -INLINE_INHERITED_MEMB = NO - -# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full -# path before files name in the file list and in the header files. If set -# to NO the shortest path that makes the file name unique will be used. - -FULL_PATH_NAMES = YES - -# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag -# can be used to strip a user-defined part of the path. Stripping is -# only done if one of the specified strings matches the left-hand part of -# the path. The tag can be used to show relative paths in the file list. -# If left blank the directory from which doxygen is run is used as the -# path to strip. - -STRIP_FROM_PATH = - -# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of -# the path mentioned in the documentation of a class, which tells -# the reader which header file to include in order to use a class. -# If left blank only the name of the header file containing the class -# definition is used. Otherwise one should specify the include paths that -# are normally passed to the compiler using the -I flag. - -STRIP_FROM_INC_PATH = - -# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter -# (but less readable) file names. This can be useful if your file system -# doesn't support long names like on DOS, Mac, or CD-ROM. - -SHORT_NAMES = NO - -# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen -# will interpret the first line (until the first dot) of a JavaDoc-style -# comment as the brief description. If set to NO, the JavaDoc -# comments will behave just like regular Qt-style comments -# (thus requiring an explicit @brief command for a brief description.) - -JAVADOC_AUTOBRIEF = NO - -# If the QT_AUTOBRIEF tag is set to YES then Doxygen will -# interpret the first line (until the first dot) of a Qt-style -# comment as the brief description. If set to NO, the comments -# will behave just like regular Qt-style comments (thus requiring -# an explicit \brief command for a brief description.) - -QT_AUTOBRIEF = NO - -# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen -# treat a multi-line C++ special comment block (i.e. a block of //! or /// -# comments) as a brief description. This used to be the default behaviour. -# The new default is to treat a multi-line C++ comment block as a detailed -# description. Set this tag to YES if you prefer the old behaviour instead. - -MULTILINE_CPP_IS_BRIEF = NO - -# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented -# member inherits the documentation from any documented member that it -# re-implements. - -INHERIT_DOCS = YES - -# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce -# a new page for each member. If set to NO, the documentation of a member will -# be part of the file/class/namespace that contains it. - -SEPARATE_MEMBER_PAGES = NO - -# The TAB_SIZE tag can be used to set the number of spaces in a tab. -# Doxygen uses this value to replace tabs by spaces in code fragments. - -TAB_SIZE = 8 - -# This tag can be used to specify a number of aliases that acts -# as commands in the documentation. An alias has the form "name=value". -# For example adding "sideeffect=\par Side Effects:\n" will allow you to -# put the command \sideeffect (or @sideeffect) in the documentation, which -# will result in a user-defined paragraph with heading "Side Effects:". -# You can put \n's in the value part of an alias to insert newlines. - -ALIASES = - -# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C -# sources only. Doxygen will then generate output that is more tailored for C. -# For instance, some of the names that are used will be different. The list -# of all members will be omitted, etc. - -OPTIMIZE_OUTPUT_FOR_C = NO - -# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java -# sources only. Doxygen will then generate output that is more tailored for -# Java. For instance, namespaces will be presented as packages, qualified -# scopes will look different, etc. - -OPTIMIZE_OUTPUT_JAVA = NO - -# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran -# sources only. Doxygen will then generate output that is more tailored for -# Fortran. - -OPTIMIZE_FOR_FORTRAN = NO - -# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL -# sources. Doxygen will then generate output that is tailored for -# VHDL. - -OPTIMIZE_OUTPUT_VHDL = NO - -# Doxygen selects the parser to use depending on the extension of the files it -# parses. With this tag you can assign which parser to use for a given extension. -# Doxygen has a built-in mapping, but you can override or extend it using this -# tag. The format is ext=language, where ext is a file extension, and language -# is one of the parsers supported by doxygen: IDL, Java, Javascript, CSharp, C, -# C++, D, PHP, Objective-C, Python, Fortran, VHDL, C, C++. For instance to make -# doxygen treat .inc files as Fortran files (default is PHP), and .f files as C -# (default is Fortran), use: inc=Fortran f=C. Note that for custom extensions -# you also need to set FILE_PATTERNS otherwise the files are not read by doxygen. - -EXTENSION_MAPPING = - -# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want -# to include (a tag file for) the STL sources as input, then you should -# set this tag to YES in order to let doxygen match functions declarations and -# definitions whose arguments contain STL classes (e.g. func(std::string); v.s. -# func(std::string) {}). This also makes the inheritance and collaboration -# diagrams that involve STL classes more complete and accurate. - -BUILTIN_STL_SUPPORT = NO - -# If you use Microsoft's C++/CLI language, you should set this option to YES to -# enable parsing support. - -CPP_CLI_SUPPORT = NO - -# Set the SIP_SUPPORT tag to YES if your project consists of sip sources only. -# Doxygen will parse them like normal C++ but will assume all classes use public -# instead of private inheritance when no explicit protection keyword is present. - -SIP_SUPPORT = NO - -# For Microsoft's IDL there are propget and propput attributes to indicate getter -# and setter methods for a property. Setting this option to YES (the default) -# will make doxygen replace the get and set methods by a property in the -# documentation. This will only work if the methods are indeed getting or -# setting a simple type. If this is not the case, or you want to show the -# methods anyway, you should set this option to NO. - -IDL_PROPERTY_SUPPORT = YES - -# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC -# tag is set to YES, then doxygen will reuse the documentation of the first -# member in the group (if any) for the other members of the group. By default -# all members of a group must be documented explicitly. - -DISTRIBUTE_GROUP_DOC = NO - -# Set the SUBGROUPING tag to YES (the default) to allow class member groups of -# the same type (for instance a group of public functions) to be put as a -# subgroup of that type (e.g. under the Public Functions section). Set it to -# NO to prevent subgrouping. Alternatively, this can be done per class using -# the \nosubgrouping command. - -SUBGROUPING = YES - -# When TYPEDEF_HIDES_STRUCT is enabled, a typedef of a struct, union, or enum -# is documented as struct, union, or enum with the name of the typedef. So -# typedef struct TypeS {} TypeT, will appear in the documentation as a struct -# with name TypeT. When disabled the typedef will appear as a member of a file, -# namespace, or class. And the struct will be named TypeS. This can typically -# be useful for C code in case the coding convention dictates that all compound -# types are typedef'ed and only the typedef is referenced, never the tag name. - -TYPEDEF_HIDES_STRUCT = NO - -# The SYMBOL_CACHE_SIZE determines the size of the internal cache use to -# determine which symbols to keep in memory and which to flush to disk. -# When the cache is full, less often used symbols will be written to disk. -# For small to medium size projects (<1000 input files) the default value is -# probably good enough. For larger projects a too small cache size can cause -# doxygen to be busy swapping symbols to and from disk most of the time -# causing a significant performance penalty. -# If the system has enough physical memory increasing the cache will improve the -# performance by keeping more symbols in memory. Note that the value works on -# a logarithmic scale so increasing the size by one will roughly double the -# memory usage. The cache size is given by this formula: -# 2^(16+SYMBOL_CACHE_SIZE). The valid range is 0..9, the default is 0, -# corresponding to a cache size of 2^16 = 65536 symbols - -SYMBOL_CACHE_SIZE = 0 - -#--------------------------------------------------------------------------- -# Build related configuration options -#--------------------------------------------------------------------------- - -# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in -# documentation are documented, even if no documentation was available. -# Private class members and static file members will be hidden unless -# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES - -EXTRACT_ALL = NO - -# If the EXTRACT_PRIVATE tag is set to YES all private members of a class -# will be included in the documentation. - -EXTRACT_PRIVATE = NO - -# If the EXTRACT_STATIC tag is set to YES all static members of a file -# will be included in the documentation. - -EXTRACT_STATIC = NO - -# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) -# defined locally in source files will be included in the documentation. -# If set to NO only classes defined in header files are included. - -EXTRACT_LOCAL_CLASSES = YES - -# This flag is only useful for Objective-C code. When set to YES local -# methods, which are defined in the implementation section but not in -# the interface are included in the documentation. -# If set to NO (the default) only methods in the interface are included. - -EXTRACT_LOCAL_METHODS = NO - -# If this flag is set to YES, the members of anonymous namespaces will be -# extracted and appear in the documentation as a namespace called -# 'anonymous_namespace{file}', where file will be replaced with the base -# name of the file that contains the anonymous namespace. By default -# anonymous namespaces are hidden. - -EXTRACT_ANON_NSPACES = NO - -# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all -# undocumented members of documented classes, files or namespaces. -# If set to NO (the default) these members will be included in the -# various overviews, but no documentation section is generated. -# This option has no effect if EXTRACT_ALL is enabled. - -HIDE_UNDOC_MEMBERS = NO - -# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all -# undocumented classes that are normally visible in the class hierarchy. -# If set to NO (the default) these classes will be included in the various -# overviews. This option has no effect if EXTRACT_ALL is enabled. - -HIDE_UNDOC_CLASSES = NO - -# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all -# friend (class|struct|union) declarations. -# If set to NO (the default) these declarations will be included in the -# documentation. - -HIDE_FRIEND_COMPOUNDS = NO - -# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any -# documentation blocks found inside the body of a function. -# If set to NO (the default) these blocks will be appended to the -# function's detailed documentation block. - -HIDE_IN_BODY_DOCS = NO - -# The INTERNAL_DOCS tag determines if documentation -# that is typed after a \internal command is included. If the tag is set -# to NO (the default) then the documentation will be excluded. -# Set it to YES to include the internal documentation. - -INTERNAL_DOCS = NO - -# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate -# file names in lower-case letters. If set to YES upper-case letters are also -# allowed. This is useful if you have classes or files whose names only differ -# in case and if your file system supports case sensitive file names. Windows -# and Mac users are advised to set this option to NO. - -CASE_SENSE_NAMES = NO - -# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen -# will show members with their full class and namespace scopes in the -# documentation. If set to YES the scope will be hidden. - -HIDE_SCOPE_NAMES = NO - -# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen -# will put a list of the files that are included by a file in the documentation -# of that file. - -SHOW_INCLUDE_FILES = YES - -# If the FORCE_LOCAL_INCLUDES tag is set to YES then Doxygen -# will list include files with double quotes in the documentation -# rather than with sharp brackets. - -FORCE_LOCAL_INCLUDES = NO - -# If the INLINE_INFO tag is set to YES (the default) then a tag [inline] -# is inserted in the documentation for inline members. - -INLINE_INFO = YES - -# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen -# will sort the (detailed) documentation of file and class members -# alphabetically by member name. If set to NO the members will appear in -# declaration order. - -SORT_MEMBER_DOCS = YES - -# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the -# brief documentation of file, namespace and class members alphabetically -# by member name. If set to NO (the default) the members will appear in -# declaration order. - -SORT_BRIEF_DOCS = NO - -# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen -# will sort the (brief and detailed) documentation of class members so that -# constructors and destructors are listed first. If set to NO (the default) -# the constructors will appear in the respective orders defined by -# SORT_MEMBER_DOCS and SORT_BRIEF_DOCS. -# This tag will be ignored for brief docs if SORT_BRIEF_DOCS is set to NO -# and ignored for detailed docs if SORT_MEMBER_DOCS is set to NO. - -SORT_MEMBERS_CTORS_1ST = NO - -# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the -# hierarchy of group names into alphabetical order. If set to NO (the default) -# the group names will appear in their defined order. - -SORT_GROUP_NAMES = NO - -# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be -# sorted by fully-qualified names, including namespaces. If set to -# NO (the default), the class list will be sorted only by class name, -# not including the namespace part. -# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. -# Note: This option applies only to the class list, not to the -# alphabetical list. - -SORT_BY_SCOPE_NAME = NO - -# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to -# do proper type resolution of all parameters of a function it will reject a -# match between the prototype and the implementation of a member function even -# if there is only one candidate or it is obvious which candidate to choose -# by doing a simple string match. By disabling STRICT_PROTO_MATCHING doxygen -# will still accept a match between prototype and implementation in such cases. - -STRICT_PROTO_MATCHING = NO - -# The GENERATE_TODOLIST tag can be used to enable (YES) or -# disable (NO) the todo list. This list is created by putting \todo -# commands in the documentation. - -GENERATE_TODOLIST = YES - -# The GENERATE_TESTLIST tag can be used to enable (YES) or -# disable (NO) the test list. This list is created by putting \test -# commands in the documentation. - -GENERATE_TESTLIST = YES - -# The GENERATE_BUGLIST tag can be used to enable (YES) or -# disable (NO) the bug list. This list is created by putting \bug -# commands in the documentation. - -GENERATE_BUGLIST = YES - -# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or -# disable (NO) the deprecated list. This list is created by putting -# \deprecated commands in the documentation. - -GENERATE_DEPRECATEDLIST= YES - -# The ENABLED_SECTIONS tag can be used to enable conditional -# documentation sections, marked by \if sectionname ... \endif. - -ENABLED_SECTIONS = - -# The MAX_INITIALIZER_LINES tag determines the maximum number of lines -# the initial value of a variable or macro consists of for it to appear in -# the documentation. If the initializer consists of more lines than specified -# here it will be hidden. Use a value of 0 to hide initializers completely. -# The appearance of the initializer of individual variables and macros in the -# documentation can be controlled using \showinitializer or \hideinitializer -# command in the documentation regardless of this setting. - -MAX_INITIALIZER_LINES = 30 - -# Set the SHOW_USED_FILES tag to NO to disable the list of files generated -# at the bottom of the documentation of classes and structs. If set to YES the -# list will mention the files that were used to generate the documentation. - -SHOW_USED_FILES = YES - -# If the sources in your project are distributed over multiple directories -# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy -# in the documentation. The default is NO. - -SHOW_DIRECTORIES = NO - -# Set the SHOW_FILES tag to NO to disable the generation of the Files page. -# This will remove the Files entry from the Quick Index and from the -# Folder Tree View (if specified). The default is YES. - -SHOW_FILES = YES - -# Set the SHOW_NAMESPACES tag to NO to disable the generation of the -# Namespaces page. This will remove the Namespaces entry from the Quick Index -# and from the Folder Tree View (if specified). The default is YES. - -SHOW_NAMESPACES = YES - -# The FILE_VERSION_FILTER tag can be used to specify a program or script that -# doxygen should invoke to get the current version for each file (typically from -# the version control system). Doxygen will invoke the program by executing (via -# popen()) the command <command> <input-file>, where <command> is the value of -# the FILE_VERSION_FILTER tag, and <input-file> is the name of an input file -# provided by doxygen. Whatever the program writes to standard output -# is used as the file version. See the manual for examples. - -FILE_VERSION_FILTER = - -# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed -# by doxygen. The layout file controls the global structure of the generated -# output files in an output format independent way. The create the layout file -# that represents doxygen's defaults, run doxygen with the -l option. -# You can optionally specify a file name after the option, if omitted -# DoxygenLayout.xml will be used as the name of the layout file. - -LAYOUT_FILE = - -#--------------------------------------------------------------------------- -# configuration options related to warning and progress messages -#--------------------------------------------------------------------------- - -# The QUIET tag can be used to turn on/off the messages that are generated -# by doxygen. Possible values are YES and NO. If left blank NO is used. - -QUIET = NO - -# The WARNINGS tag can be used to turn on/off the warning messages that are -# generated by doxygen. Possible values are YES and NO. If left blank -# NO is used. - -WARNINGS = YES - -# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings -# for undocumented members. If EXTRACT_ALL is set to YES then this flag will -# automatically be disabled. - -WARN_IF_UNDOCUMENTED = YES - -# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for -# potential errors in the documentation, such as not documenting some -# parameters in a documented function, or documenting parameters that -# don't exist or using markup commands wrongly. - -WARN_IF_DOC_ERROR = YES - -# The WARN_NO_PARAMDOC option can be enabled to get warnings for -# functions that are documented, but have no documentation for their parameters -# or return value. If set to NO (the default) doxygen will only warn about -# wrong or incomplete parameter documentation, but not about the absence of -# documentation. - -WARN_NO_PARAMDOC = NO - -# The WARN_FORMAT tag determines the format of the warning messages that -# doxygen can produce. The string should contain the $file, $line, and $text -# tags, which will be replaced by the file and line number from which the -# warning originated and the warning text. Optionally the format may contain -# $version, which will be replaced by the version of the file (if it could -# be obtained via FILE_VERSION_FILTER) - -WARN_FORMAT = "$file:$line: $text" - -# The WARN_LOGFILE tag can be used to specify a file to which warning -# and error messages should be written. If left blank the output is written -# to stderr. - -WARN_LOGFILE = - -#--------------------------------------------------------------------------- -# configuration options related to the input files -#--------------------------------------------------------------------------- - -# The INPUT tag can be used to specify the files and/or directories that contain -# documented source files. You may enter file names like "myfile.cpp" or -# directories like "/usr/src/myproject". Separate the files or directories -# with spaces. - -INPUT = ../../Src/linux - -# This tag can be used to specify the character encoding of the source files -# that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is -# also the default input encoding. Doxygen uses libiconv (or the iconv built -# into libc) for the transcoding. See http://www.gnu.org/software/libiconv for -# the list of possible encodings. - -INPUT_ENCODING = UTF-8 - -# If the value of the INPUT tag contains directories, you can use the -# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp -# and *.h) to filter out the source-files in the directories. If left -# blank the following patterns are tested: -# *.c *.cc *.cxx *.cpp *.c++ *.d *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh -# *.hxx *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.dox *.py -# *.f90 *.f *.for *.vhd *.vhdl - -FILE_PATTERNS = *.c \ - *.cc \ - *.cxx \ - *.cpp \ - *.c++ \ - *.d \ - *.java \ - *.ii \ - *.ixx \ - *.ipp \ - *.i++ \ - *.inl \ - *.h \ - *.hh \ - *.hxx \ - *.hpp \ - *.h++ \ - *.idl \ - *.odl \ - *.cs \ - *.php \ - *.php3 \ - *.inc \ - *.m \ - *.mm \ - *.dox \ - *.py \ - *.f90 \ - *.f \ - *.for \ - *.vhd \ - *.vhdl - -# The RECURSIVE tag can be used to turn specify whether or not subdirectories -# should be searched for input files as well. Possible values are YES and NO. -# If left blank NO is used. - -RECURSIVE = NO - -# The EXCLUDE tag can be used to specify files and/or directories that should -# excluded from the INPUT source files. This way you can easily exclude a -# subdirectory from a directory tree whose root is specified with the INPUT tag. - -EXCLUDE = - -# The EXCLUDE_SYMLINKS tag can be used select whether or not files or -# directories that are symbolic links (a Unix file system feature) are excluded -# from the input. - -EXCLUDE_SYMLINKS = NO - -# If the value of the INPUT tag contains directories, you can use the -# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude -# certain files from those directories. Note that the wildcards are matched -# against the file with absolute path, so to exclude all test directories -# for example use the pattern */test/* - -EXCLUDE_PATTERNS = - -# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names -# (namespaces, classes, functions, etc.) that should be excluded from the -# output. The symbol name can be a fully qualified name, a word, or if the -# wildcard * is used, a substring. Examples: ANamespace, AClass, -# AClass::ANamespace, ANamespace::*Test - -EXCLUDE_SYMBOLS = - -# The EXAMPLE_PATH tag can be used to specify one or more files or -# directories that contain example code fragments that are included (see -# the \include command). - -EXAMPLE_PATH = - -# If the value of the EXAMPLE_PATH tag contains directories, you can use the -# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp -# and *.h) to filter out the source-files in the directories. If left -# blank all files are included. - -EXAMPLE_PATTERNS = * - -# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be -# searched for input files to be used with the \include or \dontinclude -# commands irrespective of the value of the RECURSIVE tag. -# Possible values are YES and NO. If left blank NO is used. - -EXAMPLE_RECURSIVE = NO - -# The IMAGE_PATH tag can be used to specify one or more files or -# directories that contain image that are included in the documentation (see -# the \image command). - -IMAGE_PATH = - -# The INPUT_FILTER tag can be used to specify a program that doxygen should -# invoke to filter for each input file. Doxygen will invoke the filter program -# by executing (via popen()) the command <filter> <input-file>, where <filter> -# is the value of the INPUT_FILTER tag, and <input-file> is the name of an -# input file. Doxygen will then use the output that the filter program writes -# to standard output. If FILTER_PATTERNS is specified, this tag will be -# ignored. - -INPUT_FILTER = - -# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern -# basis. Doxygen will compare the file name with each pattern and apply the -# filter if there is a match. The filters are a list of the form: -# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further -# info on how filters are used. If FILTER_PATTERNS is empty or if -# non of the patterns match the file name, INPUT_FILTER is applied. - -FILTER_PATTERNS = - -# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using -# INPUT_FILTER) will be used to filter the input files when producing source -# files to browse (i.e. when SOURCE_BROWSER is set to YES). - -FILTER_SOURCE_FILES = NO - -# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file -# pattern. A pattern will override the setting for FILTER_PATTERN (if any) -# and it is also possible to disable source filtering for a specific pattern -# using *.ext= (so without naming a filter). This option only has effect when -# FILTER_SOURCE_FILES is enabled. - -FILTER_SOURCE_PATTERNS = - -#--------------------------------------------------------------------------- -# configuration options related to source browsing -#--------------------------------------------------------------------------- - -# If the SOURCE_BROWSER tag is set to YES then a list of source files will -# be generated. Documented entities will be cross-referenced with these sources. -# Note: To get rid of all source code in the generated output, make sure also -# VERBATIM_HEADERS is set to NO. - -SOURCE_BROWSER = NO - -# Setting the INLINE_SOURCES tag to YES will include the body -# of functions and classes directly in the documentation. - -INLINE_SOURCES = NO - -# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct -# doxygen to hide any special comment blocks from generated source code -# fragments. Normal C and C++ comments will always remain visible. - -STRIP_CODE_COMMENTS = YES - -# If the REFERENCED_BY_RELATION tag is set to YES -# then for each documented function all documented -# functions referencing it will be listed. - -REFERENCED_BY_RELATION = NO - -# If the REFERENCES_RELATION tag is set to YES -# then for each documented function all documented entities -# called/used by that function will be listed. - -REFERENCES_RELATION = NO - -# If the REFERENCES_LINK_SOURCE tag is set to YES (the default) -# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from -# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will -# link to the source code. Otherwise they will link to the documentation. - -REFERENCES_LINK_SOURCE = YES - -# If the USE_HTAGS tag is set to YES then the references to source code -# will point to the HTML generated by the htags(1) tool instead of doxygen -# built-in source browser. The htags tool is part of GNU's global source -# tagging system (see http://www.gnu.org/software/global/global.html). You -# will need version 4.8.6 or higher. - -USE_HTAGS = NO - -# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen -# will generate a verbatim copy of the header file for each class for -# which an include is specified. Set to NO to disable this. - -VERBATIM_HEADERS = YES - -#--------------------------------------------------------------------------- -# configuration options related to the alphabetical class index -#--------------------------------------------------------------------------- - -# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index -# of all compounds will be generated. Enable this if the project -# contains a lot of classes, structs, unions or interfaces. - -ALPHABETICAL_INDEX = YES - -# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then -# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns -# in which this list will be split (can be a number in the range [1..20]) - -COLS_IN_ALPHA_INDEX = 5 - -# In case all classes in a project start with a common prefix, all -# classes will be put under the same header in the alphabetical index. -# The IGNORE_PREFIX tag can be used to specify one or more prefixes that -# should be ignored while generating the index headers. - -IGNORE_PREFIX = - -#--------------------------------------------------------------------------- -# configuration options related to the HTML output -#--------------------------------------------------------------------------- - -# If the GENERATE_HTML tag is set to YES (the default) Doxygen will -# generate HTML output. - -GENERATE_HTML = YES - -# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. -# If a relative path is entered the value of OUTPUT_DIRECTORY will be -# put in front of it. If left blank `html' will be used as the default path. - -HTML_OUTPUT = html - -# The HTML_FILE_EXTENSION tag can be used to specify the file extension for -# each generated HTML page (for example: .htm,.php,.asp). If it is left blank -# doxygen will generate files with .html extension. - -HTML_FILE_EXTENSION = .html - -# The HTML_HEADER tag can be used to specify a personal HTML header for -# each generated HTML page. If it is left blank doxygen will generate a -# standard header. - -HTML_HEADER = - -# The HTML_FOOTER tag can be used to specify a personal HTML footer for -# each generated HTML page. If it is left blank doxygen will generate a -# standard footer. - -HTML_FOOTER = - -# The HTML_STYLESHEET tag can be used to specify a user-defined cascading -# style sheet that is used by each HTML page. It can be used to -# fine-tune the look of the HTML output. If the tag is left blank doxygen -# will generate a default style sheet. Note that doxygen will try to copy -# the style sheet file to the HTML output directory, so don't put your own -# stylesheet in the HTML output directory as well, or it will be erased! - -HTML_STYLESHEET = - -# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. -# Doxygen will adjust the colors in the stylesheet and background images -# according to this color. Hue is specified as an angle on a colorwheel, -# see http://en.wikipedia.org/wiki/Hue for more information. -# For instance the value 0 represents red, 60 is yellow, 120 is green, -# 180 is cyan, 240 is blue, 300 purple, and 360 is red again. -# The allowed range is 0 to 359. - -HTML_COLORSTYLE_HUE = 220 - -# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of -# the colors in the HTML output. For a value of 0 the output will use -# grayscales only. A value of 255 will produce the most vivid colors. - -HTML_COLORSTYLE_SAT = 100 - -# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to -# the luminance component of the colors in the HTML output. Values below -# 100 gradually make the output lighter, whereas values above 100 make -# the output darker. The value divided by 100 is the actual gamma applied, -# so 80 represents a gamma of 0.8, The value 220 represents a gamma of 2.2, -# and 100 does not change the gamma. - -HTML_COLORSTYLE_GAMMA = 80 - -# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML -# page will contain the date and time when the page was generated. Setting -# this to NO can help when comparing the output of multiple runs. - -HTML_TIMESTAMP = YES - -# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, -# files or namespaces will be aligned in HTML using tables. If set to -# NO a bullet list will be used. - -HTML_ALIGN_MEMBERS = YES - -# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML -# documentation will contain sections that can be hidden and shown after the -# page has loaded. For this to work a browser that supports -# JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox -# Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari). - -HTML_DYNAMIC_SECTIONS = NO - -# If the GENERATE_DOCSET tag is set to YES, additional index files -# will be generated that can be used as input for Apple's Xcode 3 -# integrated development environment, introduced with OSX 10.5 (Leopard). -# To create a documentation set, doxygen will generate a Makefile in the -# HTML output directory. Running make will produce the docset in that -# directory and running "make install" will install the docset in -# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find -# it at startup. -# See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html -# for more information. - -GENERATE_DOCSET = NO - -# When GENERATE_DOCSET tag is set to YES, this tag determines the name of the -# feed. A documentation feed provides an umbrella under which multiple -# documentation sets from a single provider (such as a company or product suite) -# can be grouped. - -DOCSET_FEEDNAME = "Doxygen generated docs" - -# When GENERATE_DOCSET tag is set to YES, this tag specifies a string that -# should uniquely identify the documentation set bundle. This should be a -# reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen -# will append .docset to the name. - -DOCSET_BUNDLE_ID = org.doxygen.Project - -# When GENERATE_PUBLISHER_ID tag specifies a string that should uniquely identify -# the documentation publisher. This should be a reverse domain-name style -# string, e.g. com.mycompany.MyDocSet.documentation. - -DOCSET_PUBLISHER_ID = org.doxygen.Publisher - -# The GENERATE_PUBLISHER_NAME tag identifies the documentation publisher. - -DOCSET_PUBLISHER_NAME = Publisher - -# If the GENERATE_HTMLHELP tag is set to YES, additional index files -# will be generated that can be used as input for tools like the -# Microsoft HTML help workshop to generate a compiled HTML help file (.chm) -# of the generated HTML documentation. - -GENERATE_HTMLHELP = NO - -# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can -# be used to specify the file name of the resulting .chm file. You -# can add a path in front of the file if the result should not be -# written to the html output directory. - -CHM_FILE = - -# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can -# be used to specify the location (absolute path including file name) of -# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run -# the HTML help compiler on the generated index.hhp. - -HHC_LOCATION = - -# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag -# controls if a separate .chi index file is generated (YES) or that -# it should be included in the master .chm file (NO). - -GENERATE_CHI = NO - -# If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING -# is used to encode HtmlHelp index (hhk), content (hhc) and project file -# content. - -CHM_INDEX_ENCODING = - -# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag -# controls whether a binary table of contents is generated (YES) or a -# normal table of contents (NO) in the .chm file. - -BINARY_TOC = NO - -# The TOC_EXPAND flag can be set to YES to add extra items for group members -# to the contents of the HTML help documentation and to the tree view. - -TOC_EXPAND = NO - -# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and -# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated -# that can be used as input for Qt's qhelpgenerator to generate a -# Qt Compressed Help (.qch) of the generated HTML documentation. - -GENERATE_QHP = NO - -# If the QHG_LOCATION tag is specified, the QCH_FILE tag can -# be used to specify the file name of the resulting .qch file. -# The path specified is relative to the HTML output folder. - -QCH_FILE = - -# The QHP_NAMESPACE tag specifies the namespace to use when generating -# Qt Help Project output. For more information please see -# http://doc.trolltech.com/qthelpproject.html#namespace - -QHP_NAMESPACE = org.doxygen.Project - -# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating -# Qt Help Project output. For more information please see -# http://doc.trolltech.com/qthelpproject.html#virtual-folders - -QHP_VIRTUAL_FOLDER = doc - -# If QHP_CUST_FILTER_NAME is set, it specifies the name of a custom filter to -# add. For more information please see -# http://doc.trolltech.com/qthelpproject.html#custom-filters - -QHP_CUST_FILTER_NAME = - -# The QHP_CUST_FILT_ATTRS tag specifies the list of the attributes of the -# custom filter to add. For more information please see -# <a href="http://doc.trolltech.com/qthelpproject.html#custom-filters"> -# Qt Help Project / Custom Filters</a>. - -QHP_CUST_FILTER_ATTRS = - -# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this -# project's -# filter section matches. -# <a href="http://doc.trolltech.com/qthelpproject.html#filter-attributes"> -# Qt Help Project / Filter Attributes</a>. - -QHP_SECT_FILTER_ATTRS = - -# If the GENERATE_QHP tag is set to YES, the QHG_LOCATION tag can -# be used to specify the location of Qt's qhelpgenerator. -# If non-empty doxygen will try to run qhelpgenerator on the generated -# .qhp file. - -QHG_LOCATION = - -# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files -# will be generated, which together with the HTML files, form an Eclipse help -# plugin. To install this plugin and make it available under the help contents -# menu in Eclipse, the contents of the directory containing the HTML and XML -# files needs to be copied into the plugins directory of eclipse. The name of -# the directory within the plugins directory should be the same as -# the ECLIPSE_DOC_ID value. After copying Eclipse needs to be restarted before -# the help appears. - -GENERATE_ECLIPSEHELP = NO - -# A unique identifier for the eclipse help plugin. When installing the plugin -# the directory name containing the HTML and XML files should also have -# this name. - -ECLIPSE_DOC_ID = org.doxygen.Project - -# The DISABLE_INDEX tag can be used to turn on/off the condensed index at -# top of each HTML page. The value NO (the default) enables the index and -# the value YES disables it. - -DISABLE_INDEX = NO - -# This tag can be used to set the number of enum values (range [0,1..20]) -# that doxygen will group on one line in the generated HTML documentation. -# Note that a value of 0 will completely suppress the enum values from -# appearing in the overview section. - -ENUM_VALUES_PER_LINE = 4 - -# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index -# structure should be generated to display hierarchical information. -# If the tag value is set to YES, a side panel will be generated -# containing a tree-like index structure (just like the one that -# is generated for HTML Help). For this to work a browser that supports -# JavaScript, DHTML, CSS and frames is required (i.e. any modern browser). -# Windows users are probably better off using the HTML help feature. - -GENERATE_TREEVIEW = NO - -# By enabling USE_INLINE_TREES, doxygen will generate the Groups, Directories, -# and Class Hierarchy pages using a tree view instead of an ordered list. - -USE_INLINE_TREES = NO - -# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be -# used to set the initial width (in pixels) of the frame in which the tree -# is shown. - -TREEVIEW_WIDTH = 250 - -# When the EXT_LINKS_IN_WINDOW option is set to YES doxygen will open -# links to external symbols imported via tag files in a separate window. - -EXT_LINKS_IN_WINDOW = NO - -# Use this tag to change the font size of Latex formulas included -# as images in the HTML documentation. The default is 10. Note that -# when you change the font size after a successful doxygen run you need -# to manually remove any form_*.png images from the HTML output directory -# to force them to be regenerated. - -FORMULA_FONTSIZE = 10 - -# Use the FORMULA_TRANPARENT tag to determine whether or not the images -# generated for formulas are transparent PNGs. Transparent PNGs are -# not supported properly for IE 6.0, but are supported on all modern browsers. -# Note that when changing this option you need to delete any form_*.png files -# in the HTML output before the changes have effect. - -FORMULA_TRANSPARENT = YES - -# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax -# (see http://www.mathjax.org) which uses client side Javascript for the -# rendering instead of using prerendered bitmaps. Use this if you do not -# have LaTeX installed or if you want to formulas look prettier in the HTML -# output. When enabled you also need to install MathJax separately and -# configure the path to it using the MATHJAX_RELPATH option. - -USE_MATHJAX = NO - -# When MathJax is enabled you need to specify the location relative to the -# HTML output directory using the MATHJAX_RELPATH option. The destination -# directory should contain the MathJax.js script. For instance, if the mathjax -# directory is located at the same level as the HTML output directory, then -# MATHJAX_RELPATH should be ../mathjax. The default value points to the -# mathjax.org site, so you can quickly see the result without installing -# MathJax, but it is strongly recommended to install a local copy of MathJax -# before deployment. - -MATHJAX_RELPATH = http://www.mathjax.org/mathjax - -# When the SEARCHENGINE tag is enabled doxygen will generate a search box -# for the HTML output. The underlying search engine uses javascript -# and DHTML and should work on any modern browser. Note that when using -# HTML help (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets -# (GENERATE_DOCSET) there is already a search function so this one should -# typically be disabled. For large projects the javascript based search engine -# can be slow, then enabling SERVER_BASED_SEARCH may provide a better solution. - -SEARCHENGINE = YES - -# When the SERVER_BASED_SEARCH tag is enabled the search engine will be -# implemented using a PHP enabled web server instead of at the web client -# using Javascript. Doxygen will generate the search PHP script and index -# file to put on the web server. The advantage of the server -# based approach is that it scales better to large projects and allows -# full text search. The disadvantages are that it is more difficult to setup -# and does not have live searching capabilities. - -SERVER_BASED_SEARCH = NO - -#--------------------------------------------------------------------------- -# configuration options related to the LaTeX output -#--------------------------------------------------------------------------- - -# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will -# generate Latex output. - -GENERATE_LATEX = YES - -# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. -# If a relative path is entered the value of OUTPUT_DIRECTORY will be -# put in front of it. If left blank `latex' will be used as the default path. - -LATEX_OUTPUT = latex - -# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be -# invoked. If left blank `latex' will be used as the default command name. -# Note that when enabling USE_PDFLATEX this option is only used for -# generating bitmaps for formulas in the HTML output, but not in the -# Makefile that is written to the output directory. - -LATEX_CMD_NAME = latex - -# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to -# generate index for LaTeX. If left blank `makeindex' will be used as the -# default command name. - -MAKEINDEX_CMD_NAME = makeindex - -# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact -# LaTeX documents. This may be useful for small projects and may help to -# save some trees in general. - -COMPACT_LATEX = NO - -# The PAPER_TYPE tag can be used to set the paper type that is used -# by the printer. Possible values are: a4, letter, legal and -# executive. If left blank a4wide will be used. - -PAPER_TYPE = a4 - -# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX -# packages that should be included in the LaTeX output. - -EXTRA_PACKAGES = - -# The LATEX_HEADER tag can be used to specify a personal LaTeX header for -# the generated latex document. The header should contain everything until -# the first chapter. If it is left blank doxygen will generate a -# standard header. Notice: only use this tag if you know what you are doing! - -LATEX_HEADER = - -# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated -# is prepared for conversion to pdf (using ps2pdf). The pdf file will -# contain links (just like the HTML output) instead of page references -# This makes the output suitable for online browsing using a pdf viewer. - -PDF_HYPERLINKS = YES - -# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of -# plain latex in the generated Makefile. Set this option to YES to get a -# higher quality PDF documentation. - -USE_PDFLATEX = YES - -# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. -# command to the generated LaTeX files. This will instruct LaTeX to keep -# running if errors occur, instead of asking the user for help. -# This option is also used when generating formulas in HTML. - -LATEX_BATCHMODE = NO - -# If LATEX_HIDE_INDICES is set to YES then doxygen will not -# include the index chapters (such as File Index, Compound Index, etc.) -# in the output. - -LATEX_HIDE_INDICES = NO - -# If LATEX_SOURCE_CODE is set to YES then doxygen will include -# source code with syntax highlighting in the LaTeX output. -# Note that which sources are shown also depends on other settings -# such as SOURCE_BROWSER. - -LATEX_SOURCE_CODE = NO - -#--------------------------------------------------------------------------- -# configuration options related to the RTF output -#--------------------------------------------------------------------------- - -# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output -# The RTF output is optimized for Word 97 and may not look very pretty with -# other RTF readers or editors. - -GENERATE_RTF = NO - -# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. -# If a relative path is entered the value of OUTPUT_DIRECTORY will be -# put in front of it. If left blank `rtf' will be used as the default path. - -RTF_OUTPUT = rtf - -# If the COMPACT_RTF tag is set to YES Doxygen generates more compact -# RTF documents. This may be useful for small projects and may help to -# save some trees in general. - -COMPACT_RTF = NO - -# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated -# will contain hyperlink fields. The RTF file will -# contain links (just like the HTML output) instead of page references. -# This makes the output suitable for online browsing using WORD or other -# programs which support those fields. -# Note: wordpad (write) and others do not support links. - -RTF_HYPERLINKS = NO - -# Load stylesheet definitions from file. Syntax is similar to doxygen's -# config file, i.e. a series of assignments. You only have to provide -# replacements, missing definitions are set to their default value. - -RTF_STYLESHEET_FILE = - -# Set optional variables used in the generation of an rtf document. -# Syntax is similar to doxygen's config file. - -RTF_EXTENSIONS_FILE = - -#--------------------------------------------------------------------------- -# configuration options related to the man page output -#--------------------------------------------------------------------------- - -# If the GENERATE_MAN tag is set to YES (the default) Doxygen will -# generate man pages - -GENERATE_MAN = YES - -# The MAN_OUTPUT tag is used to specify where the man pages will be put. -# If a relative path is entered the value of OUTPUT_DIRECTORY will be -# put in front of it. If left blank `man' will be used as the default path. - -MAN_OUTPUT = man - -# The MAN_EXTENSION tag determines the extension that is added to -# the generated man pages (default is the subroutine's section .3) - -MAN_EXTENSION = .3 - -# If the MAN_LINKS tag is set to YES and Doxygen generates man output, -# then it will generate one additional man file for each entity -# documented in the real man page(s). These additional files -# only source the real man page, but without them the man command -# would be unable to find the correct page. The default is NO. - -MAN_LINKS = NO - -#--------------------------------------------------------------------------- -# configuration options related to the XML output -#--------------------------------------------------------------------------- - -# If the GENERATE_XML tag is set to YES Doxygen will -# generate an XML file that captures the structure of -# the code including all documentation. - -GENERATE_XML = NO - -# The XML_OUTPUT tag is used to specify where the XML pages will be put. -# If a relative path is entered the value of OUTPUT_DIRECTORY will be -# put in front of it. If left blank `xml' will be used as the default path. - -XML_OUTPUT = xml - -# The XML_SCHEMA tag can be used to specify an XML schema, -# which can be used by a validating XML parser to check the -# syntax of the XML files. - -XML_SCHEMA = - -# The XML_DTD tag can be used to specify an XML DTD, -# which can be used by a validating XML parser to check the -# syntax of the XML files. - -XML_DTD = - -# If the XML_PROGRAMLISTING tag is set to YES Doxygen will -# dump the program listings (including syntax highlighting -# and cross-referencing information) to the XML output. Note that -# enabling this will significantly increase the size of the XML output. - -XML_PROGRAMLISTING = YES - -#--------------------------------------------------------------------------- -# configuration options for the AutoGen Definitions output -#--------------------------------------------------------------------------- - -# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will -# generate an AutoGen Definitions (see autogen.sf.net) file -# that captures the structure of the code including all -# documentation. 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This -# makes dot run faster, but since only newer versions of dot (>1.8.10) -# support this, this feature is disabled by default. - -DOT_MULTI_TARGETS = NO - -# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will -# generate a legend page explaining the meaning of the various boxes and -# arrows in the dot generated graphs. - -GENERATE_LEGEND = YES - -# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will -# remove the intermediate dot files that are used to generate -# the various graphs. - -DOT_CLEANUP = YES diff --git a/dist/tools/linux-border_router/Makefile b/dist/tools/linux-border_router/Makefile deleted file mode 100644 index 0960c7bd1b8fd606e22ceb49e6be8613aaa3b53e..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/Makefile +++ /dev/null @@ -1,24 +0,0 @@ -CFLAGS = -lrt -pthread -Wall -CC = gcc -DOCTOOL = doxygen - -TESTING = -D BORDER_TESTING - -all: sixlowdriver doc - -SRC = main.c sixlowdriver.c serial.c control_2xxx.c multiplex.c flowcontrol.c serialnumber.c - -TARGETDIR = ../../bin/linux -DOCDIR = ../../Documentation/linux - -sixlowdriver: $(SRC) - mkdir -p $(TARGETDIR) &> /dev/null - $(CC) $(CFLAGS) -o $(TARGETDIR)/sixlowpan $(SRC) - -sixlowtest: $(SRC) testing.c - mkdir -p $(TARGETDIR) &> /dev/null - $(CC) $(CFLAGS) $(TESTING) -o $(TARGETDIR)/sixlowpan $(SRC) testing.c - -doc: $(SRC) - mkdir -p $(DOCDIR) &> /dev/null - $(DOCTOOL) > /dev/null diff --git a/dist/tools/linux-border_router/control_2xxx.c b/dist/tools/linux-border_router/control_2xxx.c deleted file mode 100644 index 1d5c973fce8462a359f1f8d510f98a3dba52aedd..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/control_2xxx.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -#include "control_2xxx.h" - -#include <stdio.h> -#include <time.h> -#include <unistd.h> - -#include "serial.h" - -void hard_reset_to_bootloader(void) -{ - printf("Reset CPU (into bootloader)\r\n"); - set_rts(1); /* RTS (ttl level) connects to P0.14 */ - set_dtr(1); /* DTR (ttl level) connects to RST */ - send_break_signal(); /* or break detect circuit to RST */ - usleep(75000); - set_dtr(0); /* allow the CPU to run */ - set_baud(baud_rate); - set_rts(1); /* set RTS again (as it has been reset by set_baudrate) */ - usleep(40000); -} - -void hard_reset_to_user_code(void) -{ - printf("Reset CPU (into user code)\r\n"); - set_rts(0); /* RTS (ttl level) connects to P0.14 */ - set_dtr(1); /* DTR (ttl level) connects to RST */ - send_break_signal(); /* or break detect circuit to RST */ - usleep(75000); - set_dtr(0); /* allow the CPU to run */ - usleep(40000); -} diff --git a/dist/tools/linux-border_router/control_2xxx.h b/dist/tools/linux-border_router/control_2xxx.h deleted file mode 100644 index c0528fb56dab5213b76e2aec4b186bb89c9175a8..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/control_2xxx.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -/* token from pseudoterm */ -#ifndef CONTROL_2XXXX_H -#define CONTROL_2XXXX_H - -void hard_reset_to_bootloader(void); -void hard_reset_to_user_code(void); - -#endif // ..._H diff --git a/dist/tools/linux-border_router/flowcontrol.c b/dist/tools/linux-border_router/flowcontrol.c deleted file mode 100644 index 14e49512ef26096bde8ccfd41128796a8d9e2aa6..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/flowcontrol.c +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -#include <pthread.h> -#include <semaphore.h> -#include <stdint.h> -#include <string.h> -#include <unistd.h> - -#ifdef BORDER_TESTING -#include "testing.h" -#endif - -#include "flowcontrol.h" -#include "multiplex.h" - -flowcontrol_stat_t slwin_stat; -uint8_t connection_established; - -void *resend_thread_f(void *args) -{ - uint8_t seq_num = *((uint8_t *)args); - struct send_slot *slot = &(slwin_stat.send_win[seq_num % BORDER_SWS]); - - while (1) { - usleep(BORDER_SL_TIMEOUT); - - if (seq_num == ((border_packet_t *)(slot->frame))->seq_num) { - writepacket(slot->frame, slot->frame_len); - } - else { - return NULL; - } - } -} - -void init_threeway_handshake(const struct in6_addr *addr) -{ - border_syn_packet_t *syn = (border_syn_packet_t *)get_serial_out_buffer(0); - syn->empty = 0; - syn->type = BORDER_PACKET_CONF_TYPE; - syn->next_seq_num = slwin_stat.last_frame + 1; - syn->conftype = BORDER_CONF_SYN; - syn->next_exp = slwin_stat.next_exp; - memcpy(&(syn->addr), addr, 16); - - do { - writepacket((uint8_t *)syn, sizeof(border_syn_packet_t)); - usleep(BORDER_SL_TIMEOUT); - } - while (!connection_established); -} - -void signal_connection_established(void) -{ - connection_established = 1; -} - -void flowcontrol_init(const struct in6_addr *addr) -{ - int i; - slwin_stat.last_frame = 0xFF; - slwin_stat.last_ack = slwin_stat.last_frame; - connection_established = 0; - - sem_init(&slwin_stat.send_win_not_full, 0, BORDER_SWS); - - for (i = 0; i < BORDER_SWS; i++) { - slwin_stat.send_win[i].frame_len = 0; - } - - memset(&slwin_stat.send_win, 0, sizeof(struct send_slot) * BORDER_SWS); - - slwin_stat.next_exp = 0; - - for (i = 0; i < BORDER_RWS; i++) { - slwin_stat.recv_win[i].received = 0; - slwin_stat.recv_win[i].frame_len = 0; - } - - memset(&slwin_stat.recv_win, 0, sizeof(struct recv_slot) * BORDER_RWS); - - init_threeway_handshake(addr); -} - -void flowcontrol_destroy(void) -{ - sem_destroy(&slwin_stat.send_win_not_full); -} - -static int in_window(uint8_t seq_num, uint8_t min, uint8_t max) -{ - uint8_t pos = seq_num - min; - uint8_t maxpos = max - min + 1; - return pos < maxpos; -} - -void send_ack(uint8_t seq_num) -{ - border_packet_t *packet = (border_packet_t *)get_serial_out_buffer(0); - packet->empty = 0; - packet->type = BORDER_PACKET_ACK_TYPE; - packet->seq_num = seq_num; - writepacket((uint8_t *)packet, sizeof(border_packet_t)); -} - -void flowcontrol_send_over_tty(border_packet_t *packet, int len) -{ - struct send_slot *slot; - uint8_t args[] = {packet->seq_num}; - - sem_wait(&(slwin_stat.send_win_not_full)); - packet->seq_num = ++slwin_stat.last_frame; - slot = &(slwin_stat.send_win[packet->seq_num % BORDER_SWS]); - memcpy(slot->frame, (uint8_t *)packet, len); - slot->frame_len = len; - pthread_create(&slot->resend_thread, NULL, resend_thread_f, (void *)args); -#ifdef BORDER_TESTING - testing_start(packet->seq_num); -#endif - writepacket((uint8_t *)packet, len); -} - -void flowcontrol_deliver_from_tty(const border_packet_t *packet, int len) -{ - if (packet->type == BORDER_PACKET_ACK_TYPE) { - if (in_window(packet->seq_num, slwin_stat.last_ack + 1, slwin_stat.last_frame)) { - do { - struct send_slot *slot; - slot = &(slwin_stat.send_win[++slwin_stat.last_ack % BORDER_SWS]); -#ifdef BORDER_TESTING - testing_stop(slwin_stat.last_ack); -#endif - pthread_cancel(slot->resend_thread); - memset(&slot->frame, 0, BUFFER_SIZE); - slot->frame_len = 0; - sem_post(&slwin_stat.send_win_not_full); - } - while (slwin_stat.last_ack != packet->seq_num); - } - } - else { - struct recv_slot *slot; - - slot = &slwin_stat.recv_win[packet->seq_num % BORDER_RWS]; - - if (!in_window(packet->seq_num, - slwin_stat.next_exp, - slwin_stat.next_exp + BORDER_RWS - 1)) { - return; - } - - memcpy(slot->frame, (uint8_t *)packet, len); - slot->received = 1; - - if (packet->seq_num == slwin_stat.next_exp) { - while (slot->received) { - demultiplex((border_packet_t *)slot->frame, slot->frame_len); - memset(&slot->frame, 0, BUFFER_SIZE); - slot->received = 0; - slot = &slwin_stat.recv_win[++slwin_stat.next_exp % BORDER_RWS]; - } - } - - send_ack(slwin_stat.next_exp - 1); - } -} diff --git a/dist/tools/linux-border_router/flowcontrol.h b/dist/tools/linux-border_router/flowcontrol.h deleted file mode 100644 index fc3dbc4997b1a546a603a89c56fa6320b16f65ed..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/flowcontrol.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -/** - * @file - * @author Martine Lenders <mlenders@inf.fu-berlin.de> - * @brief Public declarations for the flow control jobs via the - * serial interface for the 6LoWPAN Border Router driver. - */ - -#ifndef FLOWCONTROL_H -#define FLOWCONTROL_H - -#include <stdint.h> -#include <pthread.h> -#include <semaphore.h> - -#include <netinet/in.h> - -#include "multiplex.h" - -/* packet types for flowcontrol */ -#define BORDER_PACKET_ACK_TYPE 1 ///< Packet type for acknowledgement packets (for flow control). - -/* configuration types for flowcontrol */ -#define BORDER_CONF_SYN 0 ///< Configuration packet type for SYN-Packets. -#define BORDER_CONF_SYNACK 1 ///< Configuration packet type for SYN/ACK-Packets. - -#define BORDER_SWS 1 ///< Sending window size for flow control. -#define BORDER_RWS 1 ///< Receiving window size for flow control. -#define BORDER_SL_TIMEOUT 500000 ///< Timeout time (in µsec) for flow control. - -/** - * @brief State of the sliding window algorithm, used for flow control - * @see "Computernetze -- Eine systemorientierte Einführung", - * L.L. Peterson, B.S. Davie, dpunkt-lehrbuch, 2008 - */ -typedef struct flowcontrol_stat_t { - /* Sender state */ - uint8_t last_ack; ///< Sequence number of the last received acknowledgement. - uint8_t last_frame; ///< Sequence number of the last send frame. - /** - * @brief Semaphore, that locks if sending window is full. - */ - sem_t send_win_not_full; - /** - * @brief a slot in the sending window - */ - struct send_slot { - pthread_t resend_thread; ///< Thread that handles the resending of this slot's frame (if needed). - uint8_t frame[BUFFER_SIZE]; ///< This slot's frame. - size_t frame_len; ///< The length of this slot's frame. - } send_win[BORDER_SWS]; ///< The sending window. - - /* Receiver state */ - uint8_t next_exp; ///< The next expected sequence number to be received. - /** - * @brief a receiving in the sending window - */ - struct recv_slot { - int8_t received; ///< 0 if this slot is empty, != 0 if this slot contains a received frame. - uint8_t frame[BUFFER_SIZE]; ///< This slot's frame - size_t frame_len; ///< The length of this slot's frame. - } recv_win[BORDER_RWS]; ///< The receiving window. -} flowcontrol_stat_t; - -/** - * @brief Describes a SYN packet for connection establishment of - * the serial line. - * @extends border_conf_header_t - */ -typedef struct __attribute__((packed)) border_syn_packet_t { - uint8_t empty; - uint8_t type; - /** - * @brief Next sequence number - * - * Communicates the next local sequence number to be send to the - * MSB-A2 (for flow control). - * - * This replaces @ref border_conf_header_t::seq_num of normal - * configuration packets. - */ - uint8_t next_seq_num; - uint8_t conftype; - /** - * @brief Next expected sequence number - * - * Communicates to the MSB-A2 which sequence number the driver - * expects next. - */ - uint8_t next_exp; - struct in6_addr addr; ///< IPv6-Address of this border router. -} border_syn_packet_t; - -/** - * @brief Sets the flow control algorithm to the initial state. - * @param[in] addr The IP address that should be communicated to the - * LoWPAN interface. - */ -void flowcontrol_init(const struct in6_addr *addr); - -/** - * @brief Destroys the state struct for the flow control algorithm. - */ -void flowcontrol_destroy(void); - -/** - * @brief Singals the flow control algorith, that an connection - * was established (because a SYNACK packet was received). - */ -void signal_connection_established(void); - -/** - * @brief Sends a packet via the serial interface. - * @param[in,out] packet The packet that is to be send via the - * serial interface. The function sets the - * sequence number of the packet for flow - * control. - * @param[in] len Length of the packet. - */ -void flowcontrol_send_over_tty(border_packet_t *packet, int len); - -/** - * @brief Delivers all actions that should be done by the sliding - * window on receiving a packet. - * @param[in] packet The packet the was received via the serial - * interface. - * @param[in] len Length of the packet. - */ -void flowcontrol_deliver_from_tty(const border_packet_t *packet, int len); - -#endif /* FLOWCONTROL_H*/ diff --git a/dist/tools/linux-border_router/main.c b/dist/tools/linux-border_router/main.c deleted file mode 100644 index d43813998a63a15106a7ebc79e20d45de7fd878b..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/main.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -#include <string.h> -#include <stdio.h> -#include <stdlib.h> - -#include "sixlowdriver.h" - -#ifdef BORDER_TESTING -#include "testing.h" -#endif - -int main(int argc, char **argv) -{ - if (argc < 4) { - fprintf(stderr, "Usage: %s r_addr if_name tty_dev\n", argv[0]); - return -1; - } - - char addr[IPV6_ADDR_LEN]; - sprintf(addr, "abcd::1034:00FF:FE00:%s/64", argv[1]); - char if_name[IF_NAME_LEN]; - strncpy(if_name, argv[2], IF_NAME_LEN); - char tty_dev[DEV_LEN]; - strncpy(tty_dev, argv[3], DEV_LEN); - - if (border_initialize(if_name, addr, tty_dev) == 0) { -#ifdef BORDER_TESTING - char ping_addr[IPV6_ADDR_LEN]; - float interval; - - if (argc < 9) { - fprintf(stderr, "Usage: %s r_addr if_name tty_dev ping_id result_dir skeleton_file ping_count interval\n", argv[0]); - return -1; - } - - sscanf(argv[8], "%20f", &interval); - sprintf(ping_addr, "abcd::%s/64", argv[4]); - - start_test(ping_addr, argv[5], argv[6], atoi(argv[7]), interval); -#else - - while (1); - -#endif - } - - return 0; -} diff --git a/dist/tools/linux-border_router/multiplex.c b/dist/tools/linux-border_router/multiplex.c deleted file mode 100644 index 9a76447ba7f1d9699edf07107ee78c0a48fd0e7c..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/multiplex.c +++ /dev/null @@ -1,287 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include <arpa/inet.h> - -#include "flowcontrol.h" -#include "multiplex.h" -#include "serial.h" -#include "sixlowdriver.h" - -#define END 0xC0 -#define ESC 0xDB -#define END_ESC 0xDC -#define ESC_ESC 0xDD - -uint8_t serial_out_buf[BUFFER_SIZE]; -uint8_t serial_in_buf[BUFFER_SIZE]; - -uint8_t *get_serial_out_buffer(int offset) -{ - if (offset > BUFFER_SIZE) { - return NULL; - } - - return &(serial_out_buf[offset]); -} - -uint8_t *get_serial_in_buffer(int offset) -{ - if (offset > BUFFER_SIZE) { - return NULL; - } - - return &(serial_in_buf[offset]); -} - -int init_multiplex(const char *tty_dev) -{ - return open_serial_port(tty_dev); -} - -uint8_t serial_read_byte() -{ - unsigned char c; - - read_serial_port(&c, 1); - - return (uint8_t)c; -} - -int readpacket(uint8_t *packet_buf, size_t size) -{ - uint8_t *line_buf_ptr = packet_buf; - uint8_t esc = 0; - uint8_t translate = 1; - - while ((line_buf_ptr - packet_buf) < size - 1) { - uint8_t byte = serial_read_byte(); - - if (translate && byte == END) { - break; - } - - if (line_buf_ptr == packet_buf && byte != 0) { - translate = 0; - } - - if (line_buf_ptr > packet_buf && !translate && byte == '\n') { - *line_buf_ptr++ = '\0'; - return line_buf_ptr - packet_buf; - } - - if (translate) { - if (esc) { - esc = 0; - - switch (byte) { - case (END_ESC): { - *line_buf_ptr++ = END; - continue; - } - - case (ESC_ESC): { - *line_buf_ptr++ = ESC; - continue; - } - - default: - continue; - } - } - - if (byte == ESC) { - esc = 1; - continue; - } - } - - *line_buf_ptr++ = byte; - } - - return (line_buf_ptr - packet_buf); -} - - - -int writepacket(uint8_t *packet_buf, size_t size) -{ - uint8_t packet_tmp[2 * BUFFER_SIZE]; - uint8_t *byte_ptr = packet_buf; - uint8_t *tmp_ptr = packet_tmp; - - if (2 * size + 1 > BUFFER_SIZE) { - return -1; - } - - while ((byte_ptr - packet_buf) < size) { - switch (*byte_ptr) { - case (END): { - *byte_ptr = END_ESC; - *tmp_ptr = ESC; - tmp_ptr++; - break; - } - - case (ESC): { - *byte_ptr = ESC_ESC; - *tmp_ptr = ESC; - tmp_ptr++; - break; - } - - default: { - break; - } - } - - *tmp_ptr = *byte_ptr; - byte_ptr++; - tmp_ptr++; - } - - *tmp_ptr++ = END; - write_serial_port(packet_tmp, tmp_ptr - packet_tmp); - - return 0; -} - -void demultiplex(const border_packet_t *packet, int len) -{ - switch (packet->type) { - case (BORDER_PACKET_RAW_TYPE): { - printf("\033[00;33m[via serial interface] %s\033[00m\n", - ((unsigned char *)packet) + sizeof(border_packet_t) - ); - break; - } - - case (BORDER_PACKET_L3_TYPE): { - border_l3_header_t *l3_header_buf = (border_l3_header_t *)packet; - - switch (l3_header_buf->ethertype) { - case (ETHERTYPE_IPV6): { - printf("INFO: IPv6-Packet %d received\n", l3_header_buf->seq_num); - struct ip6_hdr *ip6_buf = (struct ip6_hdr *)(((unsigned char *)packet) + sizeof(border_l3_header_t)); - border_send_ipv6_over_tun(get_tun_fd(), ip6_buf); - break; - } - - default: - printf("INFO: Unknown ethertype %04x for packet %d\n", l3_header_buf->ethertype, l3_header_buf->seq_num); - break; - } - - break; - } - - case (BORDER_PACKET_CONF_TYPE): { - border_conf_header_t *conf_header_buf = (border_conf_header_t *)packet; - - switch (conf_header_buf->conftype) { - case (BORDER_CONF_SYNACK): { - printf("INFO: SYNACK-Packet %d received\n", conf_header_buf->seq_num); - signal_connection_established(); - break; - } - - case (BORDER_CONF_CONTEXT): { - printf("INFO: Context packet (%d) received, " - "but nothing is implemented yet for this case.\n", - conf_header_buf->seq_num); - break; - } - - case (BORDER_CONF_IPADDR): { - char str_addr[IPV6_ADDR_LEN]; - border_addr_packet_t *addr_packet = (border_addr_packet_t *)packet; - - printf("INFO: Address packet (%d) received.\n", - conf_header_buf->seq_num); - inet_ntop(AF_INET6, &addr_packet->addr, str_addr, IPV6_ADDR_LEN); - tun_add_addr(str_addr); - } - - default: - printf("INFO: Unknown conftype %02x for packet %d\n", - conf_header_buf->conftype, - conf_header_buf->seq_num); - break; - } - - break; - } - - default: - printf("INFO: Unknown border packet type %02x for packet %d\n", packet->type, packet->seq_num); - //print_packet_hex((unsigned char *)packet,len); - break; - } -} - -void multiplex_send_context_over_tty(const border_context_t *context) -{ - border_context_packet_t *con_packet = (border_context_packet_t *)get_serial_out_buffer(0); - - con_packet->empty = 0; - con_packet->type = BORDER_PACKET_CONF_TYPE; - con_packet->conftype = BORDER_CONF_CONTEXT; - memcpy( - &con_packet->context, - context, - sizeof(border_context_t) - ); - - flowcontrol_send_over_tty( - (border_packet_t *) con_packet, - sizeof(border_context_packet_t) - ); -} - -void multiplex_send_addr_over_tty(struct in6_addr *addr) -{ - border_addr_packet_t *packet = (border_addr_packet_t *)get_serial_out_buffer(0); - - packet->empty = 0; - packet->type = BORDER_PACKET_CONF_TYPE; - packet->conftype = BORDER_CONF_IPADDR; - memcpy( - &packet->addr, - addr, - sizeof(struct in6_addr) - ); - - flowcontrol_send_over_tty( - (border_packet_t *) packet, - sizeof(border_addr_packet_t) - ); -} - -void multiplex_send_ipv6_over_tty(const struct ip6_hdr *packet) -{ - border_l3_header_t *l3_hdr = (border_l3_header_t *)get_serial_out_buffer(0); - size_t packet_size = sizeof(struct ip6_hdr) + packet->ip6_plen; - - l3_hdr->empty = 0; - l3_hdr->type = BORDER_PACKET_L3_TYPE; - l3_hdr->ethertype = ETHERTYPE_IPV6; - memcpy( - get_serial_out_buffer(0) + sizeof(border_l3_header_t), - packet, - packet_size - ); - - flowcontrol_send_over_tty( - (border_packet_t *) l3_hdr, - sizeof(border_l3_header_t) + packet_size - ); -} diff --git a/dist/tools/linux-border_router/multiplex.h b/dist/tools/linux-border_router/multiplex.h deleted file mode 100644 index bfc99843cf126e6b7c3a9c98d534cdaf252b52db..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/multiplex.h +++ /dev/null @@ -1,202 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -/** - * @file - * @author Martine Lenders <mlenders@inf.fu-berlin.de> - * @brief Public declarations for the multiplexing jobs via the - * serial interface for the 6LoWPAN Border Router driver. - */ -#ifndef MULTIPLEX_H -#define MULTIPLEX_H - -#include <netinet/ip6.h> -#include <stdint.h> - -#include "sixlowdriver.h" - -#define MTU 1280 ///< MTU for IPv6 packets on serial interface. - -/* packet types of tty-packets */ -#define BORDER_PACKET_RAW_TYPE 0 ///< Packet type for raw packets. -#define BORDER_PACKET_CONF_TYPE 2 ///< Packet type for configuration packets. -#define BORDER_PACKET_L3_TYPE 3 ///< Packet type for layer 3 packets. - -/* configuration types */ -#define BORDER_CONF_CONTEXT 2 ///< Configuration packet type for context updates. -#define BORDER_CONF_IPADDR 3 ///< Configuration packet type for IP address updates. - -/* ethertypes for L3 packets */ -#define ETHERTYPE_IPV6 0x86DD ///< Ethertype for IPv6-Datagrams. - -/** - * @brief Describes packets for transmission via serial interface. - */ -typedef struct __attribute__((packed)) border_packet_t { - /** - * @brief Reserved byte. - * - * Must be always 0 to distinguish packets from MSB-A2 - * stdout/stdin/stderr. - */ - uint8_t empty; - uint8_t type; ///< Type of the packet. - uint8_t seq_num; ///< Sequence number of the packet (for flow control). -} border_packet_t; - -/** - * @brief Describes a layer 3 packet header for transmission via - * serial interface. - * @extends border_packet_t - */ -typedef struct __attribute__((packed)) border_l3_header_t { - uint8_t empty; - uint8_t type; - uint8_t seq_num; - uint16_t ethertype; ///< Ethertype of the layer 3 packet. -} border_l3_header_t; - -/** - * @brief Describes a configuration packet header for transmission via - * serial interface. - * @extends border_packet_t - */ -typedef struct __attribute__((packed)) border_conf_header_t { - uint8_t empty; - uint8_t type; - uint8_t seq_num; - uint8_t conftype; ///< Configuration packet type of this packet. -} border_conf_header_t; - -/** - * @brief Describes an address configuration packet. - * @extends border_conf_header_t - * - * This packet type enables the driver to add new IPv6 addresses to - * the border router. - */ -typedef struct __attribute__((packed)) border_addr_packet_t { - uint8_t empty; - uint8_t type; - uint8_t seq_num; - uint8_t conftype; - /** - * @brief Version for this IP address (send with the ABRO for PIs, - * s. draft-ietf-6lowpan-nd-17). - */ - uint16_t version; - struct in6_addr addr; ///< New IPv6-Address to be added to this border router. -} border_addr_packet_t; - -/** - * @brief Describes a context configuration packet. - * @extends border_conf_header_t - * - * This packet type enables the driver to manipulate Context Informations - * in the LoWPAN. - */ -typedef struct __attribute__((packed)) border_context_packet_t { - uint8_t empty; - uint8_t type; - uint8_t seq_num; - uint8_t conftype; - border_context_t context; ///< Describes the context to be manipulated. -} border_context_packet_t; - -/** - * @brief Size of all packet buffers in this driver. - * - * @ref border_l3_header_t was since packets of this type may be the - * longest (with payload). - */ -#define BUFFER_SIZE sizeof (border_l3_header_t) + MTU - -/** - * @brief Initializes multiplexer - * @param[in] tty_dev Filename of the serial interface over which the - * multiplexer should multiplex. - * @return 0 if successfull, -1 if not. - */ -int init_multiplex(const char *tty_dev); - -/** - * @brief Returns a pointer to a cell in the buffer for the output - * data, that shall be send via the serial interface. - * @param[in] offset The offset from the start of the buffer. - * @return Pointer to a cell in the buffer for the output - * data. The size of the buffer is then - * \ref BUFFER_SIZE - <em>offset</em>. - */ -uint8_t *get_serial_out_buffer(int offset); - -/** - * @brief Returns a pointer to a cell in the buffer for the input - * data, that was received via the serial interface. - * @param[in] offset The offset from the start of the buffer. - * @return Pointer to a cell in the buffer for the input - * data. The size of the buffer is then - * \ref BUFFER_SIZE - <em>offset</em>. - */ -uint8_t *get_serial_in_buffer(int offset); - -/** - * @brief Demultiplexes a packet, that was received via the serial - * interface. - * @param[in] packet Packet, that should be demultiplexed. - * @param[in] len Length of the packet, that should be - * demultiplexed. - */ -void demultiplex(const border_packet_t *packet, int len); - -/** - * @brief Sends an IPv6 datagram via the serial interface. - * @param[in] packet The IPv6 datagram that is to be send via the - * serial interface and starts with an IPv6 header. - * - * The function uses the payload length field of the IPv6 Header to - * determine the length of the overall packet. The payload bytes - * <em>must</em> follow the header in memory. - */ -void multiplex_send_ipv6_over_tty(const struct ip6_hdr *packet); - -/** - * @brief Sends context information via the serial interface. - * @param[in] context The context information that is to be send via - * the serial interface. - */ -void multiplex_send_context_over_tty(const border_context_t *context); - -/** - * @brief Sends new IPv6 address via the serial interface. - * @param[in] addr The new address that is to be send via - * the serial interface. - */ -void multiplex_send_addr_over_tty(struct in6_addr *addr); - -/** - * @brief Reads a packet up to a length of <em>size</em> bytes from - * the serial interface and saves it to <em>packet_buf</em>. - * @param[out] packet_buf The buffer the read packet should be written - * into. - * @param[in] size The maximum number of bytes to be read. - * @return The number of bytes read. - */ -int readpacket(uint8_t *packet_buf, size_t size); - -/** - * @brief Writes a packet up to a length of <em>size</em> bytes from - * <em>packet_buf</em> to the serial interface. - * @param[in] packet_buf The buffer from which the packet should be - * written. - * @param[in] size The maximum number of bytes to be written. - * @return The number of bytes written. - */ -int writepacket(uint8_t *packet_buf, size_t size); - - -#endif /* SIXLOWBORDER_H*/ diff --git a/dist/tools/linux-border_router/serial.c b/dist/tools/linux-border_router/serial.c deleted file mode 100644 index fb422317b304d687bffcb1156194def380f62401..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/serial.c +++ /dev/null @@ -1,426 +0,0 @@ -/* - * LPC 2000 Loader, http://www.pjrc.com/arm/lpc2k_pgm - * Copyright (c) 2004, PJRC.COM, LLC, <paul@pjrc.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General - * Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -/* If this code fails to build, please provide at least the following - * information when requesting (free) technical support. - * - * 1: Complete copy of all messages during the build. - * 2: Output of "gtk-config --version" - * 3: Output of "gtk-config --libs" - * 4: Output of "gtk-config --cflags" - * 5: Output of "uname -a" - * 6: Version of GTK installed... eg, type: ls -l /lib/libgtk* - * 7: Other info... which linux distribution, version, other software - */ - - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <ctype.h> -#include <pwd.h> -#include <grp.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <termios.h> -#include <sys/ioctl.h> -#ifdef LINUX -#include <linux/serial.h> -#endif - -#include "serial.h" - -int port_fd = -1; - -static tcflag_t baud_name_to_flags(const char *baud_name); -static void report_open_error(const char *filename, int err); - -char *baud_rate = "115200"; - -int open_serial_port(const char *port_name) -{ - int r; - - if (port_fd >= 0) { - close(port_fd); - } - - port_fd = open(port_name, O_RDWR); - - if (port_fd < 0) { - report_open_error(port_name, errno); - return -1; - } - - r = set_baud(baud_rate); - - if (r == 0) { - printf("Port \"%s\" opened at %s baud\r\n", - port_name, baud_rate); - } - else { - printf("Port \"%s\" opened, unable to set baud to %s\r\n", - port_name, baud_rate); - } - -#ifdef LINUX - { - struct serial_struct kernel_serial_settings; - /* attempt to set low latency mode, but don't worry if we can't */ - r = ioctl(port_fd, TIOCGSERIAL, &kernel_serial_settings); - - if (r < 0) { - return 0; - } - - kernel_serial_settings.flags |= ASYNC_LOW_LATENCY; - ioctl(port_fd, TIOCSSERIAL, &kernel_serial_settings); - } -#endif - return 0; -} - - -/* if the port can't be opened, try to print as much info as - * possible, so the problem can be resolved (usually permissions) - */ -static void report_open_error(const char *filename, int err) -{ - struct stat info; - uid_t my_uid; - gid_t my_gid; - char my_uname[64], my_gname[64], file_uname[64], file_gname[64]; - struct passwd *p; - struct group *g; - mode_t perm; - int r; - - printf("\r\n"); - printf("Unable to open \"%s\"\r\n", filename); - - if (err == EACCES) { - printf("You don't have permission to access %s\r\n", filename); - } - - r = stat(filename, &info); - - if (r < 0) { - if (errno == ENOENT) { - printf("file %s does not exist\r\n", filename); - } - else if (errno == ELOOP) { - printf("too many symbolic links\r\n"); - } - else if (errno == EACCES) { - printf("permission denied to get file status\r\n"); - } - else { - printf("Unable to get file status, err%d\r\n", errno); - } - - return; - } - - my_uid = getuid(); - my_gid = getgid(); - - p = getpwuid(my_uid); - - if (p) { - snprintf(my_uname, sizeof(my_uname), - "\"%s\" (gid=%d)", p->pw_name, (int)my_uid); - } - else { - snprintf(my_uname, sizeof(my_uname), - "(gid=%d)", (int)my_uid); - } - - p = getpwuid(info.st_uid); - - if (p) { - snprintf(file_uname, sizeof(file_uname), - "\"%s\" (uid=%d)", p->pw_name, (int)info.st_uid); - } - else { - snprintf(file_uname, sizeof(file_uname), - "(uid=%d)", (int)info.st_uid); - } - - g = getgrgid(my_gid); - - if (g) { - snprintf(my_gname, sizeof(my_gname), - "\"%s\" (gid=%d)", g->gr_name, (int)my_gid); - } - else { - snprintf(my_gname, sizeof(my_gname), - "(gid=%d)", (int)my_gid); - } - - g = getgrgid(info.st_gid); - - if (g) { - snprintf(file_gname, sizeof(file_gname), - "\"%s\" (uid=%d)", g->gr_name, (int)info.st_gid); - } - else { - snprintf(file_gname, sizeof(file_gname), - "(uid=%d)", (int)info.st_gid); - } - - /* printf("%s is owned by: user %s, group %s\r\n", - filename, file_uname, file_gname); */ - - perm = info.st_mode; - - if ((perm & S_IROTH) && (perm & S_IWOTH)) { - printf("%s has read/write permission for everybody\r\n", - filename); - } - else { - printf("%s is not read/write for everybody, so\r\n", filename); - printf(" you must match either user or group permission\r\n"); - int perm_ok = 0; - - if ((perm & S_IRUSR) && (perm & S_IWUSR)) { - printf("%s has read/write permission for user %s\r\n", - filename, file_uname); - perm_ok = 1; - } - - if ((perm & S_IRGRP) && (perm & S_IWGRP)) { - printf("%s has read/write permission for group %s\r\n", - filename, file_gname); - perm_ok = 1; - } - - if (perm_ok == 0) { - printf("%s does not read/write permission for user or group!\r\n", - filename); - } - else { - printf("Your access privs: user %s, group %s\r\n", - my_uname, my_gname); - } - } - - printf("\r\n"); -} - - - -int write_serial_port(const void *buf, int num) -{ - return(write(port_fd, buf, num)); -} - - -void input_flush_serial_port(void) -{ - tcflush(port_fd, TCIFLUSH); -} - - -int read_serial_port_nb(unsigned char *buf, int bufsize) -{ - int num, flags; - - flags = fcntl(port_fd, F_GETFL); - fcntl(port_fd, F_SETFL, flags | O_NONBLOCK); - num = read(port_fd, buf, bufsize); - fcntl(port_fd, F_SETFL, flags); - return num; -} - -int read_serial_port(unsigned char *buf, int bufsize) -{ - int num; - - num = read(port_fd, buf, bufsize); - - return num; -} - - -void send_break_signal(void) -{ - tcsendbreak(port_fd, 0); -} - - -void close_serial_port(void) -{ - if (port_fd >= 0) { - close(port_fd); - port_fd = -1; - } -} - - -tcflag_t baud_name_to_flags(const char *baud_name) -{ - if (strcmp(baud_name, "230400") == 0) { - return B230400; - } - - if (strcmp(baud_name, "115200") == 0) { - return B115200; - } - - if (strcmp(baud_name, "57600") == 0) { - return B57600; - } - - if (strcmp(baud_name, "38400") == 0) { - return B38400; - } - - if (strcmp(baud_name, "19200") == 0) { - return B19200; - } - - if (strcmp(baud_name, "9600") == 0) { - return B9600; - } - - if (strcmp(baud_name, "4800") == 0) { - return B4800; - } - - if (strcmp(baud_name, "2400") == 0) { - return B2400; - } - - if (strcmp(baud_name, "1200") == 0) { - return B1200; - } - - if (strcmp(baud_name, "300") == 0) { - return B300; - } - - return B0; -} - - -int set_baud(const char *baud_name) -{ - struct termios port_setting; - tcflag_t baud; - int r; - - if (port_fd < 0) { - return -1; - } - - baud = baud_name_to_flags(baud_name); - - if (baud == B0) { - return -2; - } - - r = tcgetattr(port_fd, &port_setting); - - if (r != 0) { - return -3; - } - - port_setting.c_iflag = IGNBRK | IGNPAR; - port_setting.c_cflag = baud | CS8 | CREAD | HUPCL | CLOCAL; - port_setting.c_oflag = 0; - port_setting.c_lflag = 0; - r = tcsetattr(port_fd, TCSAFLUSH, &port_setting); - - if (r != 0) { - return -4; - } - - return 0; -} - - -// Normally this should never be used... except to pass the port -// file descriptor to the GTK event monitoring loop. All other -// use of the serial port is supposed to happen in the file. -int serial_port_fd(void) -{ - return port_fd; -} - - - -void set_rts(int val) -{ - int flags; - int result; - - result = ioctl(port_fd, TIOCMGET, &flags); - - if (result == -1) { - printf("Error %i while reading port io flags\n", errno); - return; - } - - if (val) { - flags |= TIOCM_RTS; - } - else { - flags &= ~(TIOCM_RTS); - } - - result = ioctl(port_fd, TIOCMSET, &flags); - - if (result == -1) { - printf("Error %i while setting port io flags\n", errno); - } -} - - - - - - - -void set_dtr(int val) -{ - int flags; - int result; - - result = ioctl(port_fd, TIOCMGET, &flags); - - if (result == -1) { - printf("Error %i while reading port io flags\n", errno); - return; - } - - if (val) { - flags |= TIOCM_DTR; - } - else { - flags &= ~(TIOCM_DTR); - } - - result = ioctl(port_fd, TIOCMSET, &flags); - - if (result == -1) { - printf("Error %i while setting port io flags\n", errno); - } -} diff --git a/dist/tools/linux-border_router/serial.h b/dist/tools/linux-border_router/serial.h deleted file mode 100644 index ce563be1f42325cb032b9257f20dba54759d1568..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/serial.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -/* token from pseudoterm */ -#ifndef SERIAL_H -#define SERIAL_H - -extern char *baud_rate; - -int open_serial_port(const char *port_name); -int write_serial_port(const void *buf, int num); -void input_flush_serial_port(void); -int read_serial_port_nb(unsigned char *buf, int bufsize); -int read_serial_port(unsigned char *buf, int bufsize); -void close_serial_port(void); -void send_break_signal(void); -int set_baud(const char *baud_name); -int serial_port_fd(void); -void set_rts(int val); -void set_dtr(int val); -void change_baud(const char *baud_name); - -#endif // SERIAL_H diff --git a/dist/tools/linux-border_router/serialnumber.c b/dist/tools/linux-border_router/serialnumber.c deleted file mode 100644 index ca73638e9d3450fc88ac0d40cc5177be552aa1de..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/serialnumber.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -#include "serialnumber.h" - -int serial_add8(uint8_t s, uint8_t n) -{ - if (n > 127) { - return -1; - } - - uint16_t sum = s + n; - return (uint8_t)(sum % 256); -} - -int serial_add16(uint16_t s, uint16_t n) -{ - if (n > 32767) { - return -1; - } - - uint32_t sum = s + n; - return (uint16_t)(sum % 65536); -} - -int serial_add32(uint32_t s, uint32_t n) -{ - if (n > 2147483647) { - return -1; - } - - uint64_t sum = s + n; - return (uint32_t)(sum % 4294967296); -} - -serial_comp_res_t serial_comp8(uint8_t s1, uint8_t s2) -{ - if (s1 == s2) { - return EQUAL; - } - - if ((s1 < s2 && s1 - s2 < 128) || (s1 > s2 && s1 - s2 > 128)) { - return LESS; - } - - if ((s1 < s2 && s1 - s2 > 128) || (s1 > s2 && s1 - s2 < 128)) { - return GREATER; - } - - return UNDEF; -} - -serial_comp_res_t serial_comp16(uint16_t s1, uint16_t s2) -{ - if (s1 == s2) { - return EQUAL; - } - - if ((s1 < s2 && s1 - s2 < 32768) || (s1 > s2 && s1 - s2 > 32768)) { - return LESS; - } - - if ((s1 < s2 && s1 - s2 > 32768) || (s1 > s2 && s1 - s2 < 32768)) { - return GREATER; - } - - return UNDEF; -} - -serial_comp_res_t serial_comp32(uint32_t s1, uint32_t s2) -{ - if (s1 == s2) { - return EQUAL; - } - - if ((s1 < s2 && s1 - s2 < 2147483648) || (s1 > s2 && s1 - s2 > 2147483648)) { - return LESS; - } - - if ((s1 < s2 && s1 - s2 > 2147483648) || (s1 > s2 && s1 - s2 < 2147483648)) { - return GREATER; - } - - return UNDEF; -} diff --git a/dist/tools/linux-border_router/serialnumber.h b/dist/tools/linux-border_router/serialnumber.h deleted file mode 100644 index 1d925690567e2360eedbae60e614472624531e08..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/serialnumber.h +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -/** - * @file - * @author Martine Lenders <mlenders@inf.fu-berlin.de> - * @brief Serial number arithmetics after RFC 1982, section 3 - */ - -#ifndef SERIALNUMBER_H -#define SERIALNUMBER_H -#include <stdint.h> - -/** - * @brief Results for the serial number comparisson. - */ -typedef enum serial_comp_res_t { - LESS, EQUAL, GREATER, UNDEF -} serial_comp_res_t; - -/** - * @brief Addition for 8-bit unsigned integers in serial number - * arithmetics (corresponding RFC 1982, section 3.1). - * @param[in] s first summand in [0 .. 2^8 - 1]. - * @param[in] n second summand in [0 .. 2^7 - 1]. - * @return Sum corresponding RFC1982 section 3.1 if <em>n</em> in [0 .. 2^7 - 1] or - * -1 if <em>n</em> not in [0 .. 2^7 - 1]. - **/ -int serial_add8(uint8_t s, uint8_t n); - -/** - * @brief Addition for 16-bit unsigned integers in serial number - * arithmetics (corresponding RFC 1982, section 3.1). - * @param[in] s first summand in [0 .. 2^16 - 1]. - * @param[in] n second summand in [0 .. 2^15 - 1]. - * @return Sum corresponding RFC 1982 section 3.1 if <em>n</em> in [0 .. 2^15 - 1] or - * -1 if <em>n</em> not in [0 .. 2^15 - 1]. - **/ -int serial_add16(uint16_t s, uint16_t n); - -/** - * @brief Addition for 32-bit unsigned integers in serial number - * arithmetics (corresponding RFC1982, section 3.1). - * @param[in] s first summand in [0 .. 2^32 - 1]. - * @param[in] n second summand in [0 .. 2^31 - 1]. - * @return Sum corresponding RFC 1982 section 3.1 if <em>n</em> in [0 .. 2^31 - 1] or - * -1 if <em>n</em> not in [0 .. 2^31 - 1]. - **/ -int serial_add32(uint32_t s, uint32_t n); - -/** - * @brief Comparison of 8-bit unsigned integers in serial number - * arithmetics (corresponding RFC 1982, section 3.2). - * @param[in] s1 first argument. - * @param[in] s2 second argument. - * @return <tt>LESS</tt> if <em>s1</em> < <em>s2</em>. - * <tt>EQUAL</tt> if <em>s1</em> = <em>s2</em>. - * <tt>GREATER</tt> if <em>s1</em> > <em>s2</em>. - * else <tt>UNDEF</tt> (see RFC 1982, section 3.2). - **/ -serial_comp_res_t serial_comp8(uint8_t s1, uint8_t s2); - -/** - * @brief Comparison of 16-bit unsigned integers in serial number - * arithmetics (corresponding RFC 1982, section 3.2). - * @param[in] s1 first argument. - * @param[in] s2 second argument. - * @return <tt>LESS</tt> if <em>s1</em> < <em>s2</em>. - * <tt>EQUAL</tt> if <em>s1</em> = <em>s2</em>. - * <tt>GREATER</tt> if <em>s1</em> > <em>s2</em>. - * else <tt>UNDEF</tt> (see RFC 1982, section 3.2). - **/ -serial_comp_res_t serial_comp16(uint16_t s1, uint16_t s2); - -/** - * @brief Comparison of 32-bit unsigned integers in serial number - * arithmetics (corresponding RFC1982, section 3.2). - * @param[in] s1 first argument. - * @param[in] s2 second argument. - * @return <tt>LESS</tt> if <em>s1</em> < <em>s2</em>. - * <tt>EQUAL</tt> if <em>s1</em> = <em>s2</em>. - * <tt>GREATER</tt> if <em>s1</em> > <em>s2</em>. - * else <tt>UNDEF</tt> (see RFC 1982, section 3.2). - **/ -serial_comp_res_t serial_comp32(uint32_t s1, uint32_t s2); - -#endif /* SERIALNUMBER_H*/ diff --git a/dist/tools/linux-border_router/sixlowdriver.c b/dist/tools/linux-border_router/sixlowdriver.c deleted file mode 100644 index fa2d66ff1d93cd844398ee6d968412333464b7a0..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/sixlowdriver.c +++ /dev/null @@ -1,335 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <pthread.h> -#include <signal.h> - -#include <arpa/inet.h> -#include <net/if.h> -#include <netinet/ip6.h> - -#include <sys/ioctl.h> -#include <sys/types.h> - -#include <linux/if_tun.h> - -#include "sixlowdriver.h" -#include "multiplex.h" -#include "flowcontrol.h" -#include "serialnumber.h" -#include "control_2xxx.h" - -#define TUNDEV "/dev/net/tun" -#define MAXIMUM_CONTEXTS 16 - -char tun_if_name[IF_NAME_LEN]; - -uint8_t tun_out_buf[BUFFER_SIZE]; -uint8_t tun_in_buf[BUFFER_SIZE]; - -/* Cell i is defined as empty if context_cache[i].cid != i */ -border_context_t context_cache[MAXIMUM_CONTEXTS]; - -int tun_fd; -pthread_t serial_reader, tun_reader; -uint16_t abro_version = 0; - -uint16_t get_abro_version() -{ - return abro_version; -} - -uint16_t get_next_abro_version() -{ - abro_version = serial_add16(abro_version, 1); - return abro_version; -} - -int get_tun_fd(void) -{ - return tun_fd; -} - -void *serial_reader_f(void *arg) -{ - unsigned char buf[BUFFER_SIZE]; - border_packet_t *packet_buf; - - while (1) { - int n = readpacket(buf, BUFFER_SIZE); - - if (n > 0) { - if (buf[0] == 0) { - packet_buf = (border_packet_t *)buf; - flowcontrol_deliver_from_tty(packet_buf, n); - continue; - } - - printf("\033[00;33m[via serial interface] %s\033[00m\n", buf); - } - } -} - -int tun_to_serial_packet(uint8_t *serial_packet, uint8_t *tun_packet, size_t packet_size) -{ - struct tun_pi *tun_hdr = (struct tun_pi *)tun_packet; - border_l3_header_t *l3_hdr = (border_l3_header_t *)serial_packet; - - l3_hdr->empty = 0; - l3_hdr->type = BORDER_PACKET_L3_TYPE; - l3_hdr->ethertype = ntohs(tun_hdr->proto); - - memcpy( - serial_packet + sizeof(border_l3_header_t), - tun_packet + sizeof(struct tun_pi), - packet_size - sizeof(struct tun_pi) - ); - return (sizeof(border_l3_header_t) + (packet_size - sizeof(struct tun_pi))); -} - -void *tun_reader_f(void *args) -{ - unsigned char data[BUFFER_SIZE]; - - while (1) { - size_t bytes = read(tun_fd, (void *)data, BUFFER_SIZE); - - if (bytes > 0) { - bytes = tun_to_serial_packet(tun_in_buf, (uint8_t *)data, bytes); - flowcontrol_send_over_tty((border_packet_t *)tun_in_buf, bytes); - } - } -} - -void border_send_ipv6_over_tun(int fd, const struct ip6_hdr *packet) -{ - uint8_t tun_packet[BUFFER_SIZE]; - int packet_size = packet->ip6_plen + sizeof(struct ip6_hdr); - - struct tun_pi *tun_hdr = (struct tun_pi *)tun_packet; - - tun_hdr->flags = 0; - tun_hdr->proto = htons(ETHERTYPE_IPV6); - - memcpy(tun_packet + sizeof(struct tun_pi), (uint8_t *)packet, packet_size); - write(tun_fd, tun_packet, packet_size + sizeof(struct tun_pi)); -} - -int tun_set_owner(int fd, const uid_t *uid, const gid_t *gid) -{ - if (uid != NULL) { - if (*uid != -1 && ioctl(fd, TUNSETOWNER, *uid)) { - return -1; - } - } - - if (gid != NULL) { - if (*gid != -1 && ioctl(fd, TUNSETGROUP, *gid)) { - return -1; - } - } - - return 0; -} - -int tun_add_addr(const char *ip_addr) -{ - char command[21 + IPV6_ADDR_LEN + IF_NAME_LEN]; - - printf("INFO: ip addr add %s dev %s\n", ip_addr, tun_if_name); - sprintf(command, "ip addr add %s dev %s", ip_addr, tun_if_name); - - if (system(command) != 0) { - return -1; - } - - return 0; -} - -/* Source: http://backreference.org/2010/03/26/tuntap-interface-tutorial/ - */ -int open_tun(char *if_name, int flags) -{ - struct ifreq ifr; - int fd, err; - - /* Arguments taken by the function: - * - * char *if_name: the name of an interface (or '\0'). MUST have enough - * space to hold the interface name if '\0' is passed - * int flags: interface flags (eg, IFF_TUN etc.) - */ - - /* open the clone device */ - if ((fd = open(TUNDEV, O_RDWR)) < 0) { - return fd; - } - - /* preparation of the struct ifr, of type "struct ifreq" */ - memset(&ifr, 0, sizeof(ifr)); - - ifr.ifr_flags = flags; /* IFF_TUN or IFF_TAP, plus maybe IFF_NO_PI */ - - if (*if_name) { - /* if a device name was specified, put it in the structure; otherwise, - * the kernel will try to allocate the "next" device of the - * specified type */ - strncpy(ifr.ifr_name, if_name, IFNAMSIZ); - } - - /* try to create the device */ - if ((err = ioctl(fd, TUNSETIFF, (void *) &ifr)) < 0) { - close(fd); - return err; - } - - /* if the operation was successful, write back the name of the - * interface to the variable "if_name", so the caller can know - * it. Note that the caller MUST reserve space in *if_name (see calling - * code below) */ - strcpy(if_name, ifr.ifr_name); - - /* this is the special file descriptor that the caller will use to talk - * with the virtual interface */ - return fd; -} - -int context_empty(uint8_t cid) -{ - return context_cache[cid].cid != cid; -} - -int border_update_context(uint8_t cid, const struct in6_addr *prefix, - uint8_t len, uint8_t comp, - uint16_t lifetime) -{ - if (cid >= MAXIMUM_CONTEXTS) { - return -1; - } - - len = (len <= 128) ? len : 128; - - if (context_empty(cid)) { - context_cache[cid].version = get_abro_version(); - } - else { - context_cache[cid].version = get_next_abro_version(); - } - - context_cache[cid].cid = cid; - memcpy(&(context_cache[cid].prefix), prefix, len); - context_cache[cid].len = len; - context_cache[cid].comp = comp; - context_cache[cid].lifetime = lifetime; - - multiplex_send_context_over_tty(&context_cache[cid]); - - return 0; -} - -int border_renew_existing_context(uint8_t cid) -{ - if (cid >= MAXIMUM_CONTEXTS) { - return -1; - } - - if (context_empty(cid)) { - return -1; - } - - multiplex_send_context_over_tty(&context_cache[cid]); - - return 0; -} - -void border_remove_context(uint8_t cid) -{ - if (cid >= MAXIMUM_CONTEXTS) { - return; - } - - if (context_empty(cid)) { - return; - } - - context_cache[cid].version = get_next_abro_version(); - context_cache[cid].lifetime = 0; - - multiplex_send_context_over_tty(&context_cache[cid]); - - context_cache[cid].cid = 0xFF; -} - -int border_add_addr(const char *ip_addr) -{ - struct in6_addr parsed_addr; - - if (inet_pton(AF_INET6, ip_addr, &parsed_addr) != 1) { - return -1; - } - - tun_add_addr(ip_addr); - - multiplex_send_addr_over_tty(&parsed_addr); - return 0; -} - -int border_initialize(char *if_name, const char *ip_addr, const char *tty_dev) -{ - int res, i; - char command[21 + IPV6_ADDR_LEN + IF_NAME_LEN]; - char ip_addr_cpy[IPV6_ADDR_LEN + 1]; - struct in6_addr parsed_addr; - - strncpy(ip_addr_cpy, ip_addr, IPV6_ADDR_LEN); - ip_addr_cpy[IPV6_ADDR_LEN] = '\0'; - - strtok(ip_addr_cpy, "/"); - - if ((res = inet_pton(AF_INET6, ip_addr_cpy, &parsed_addr)) != 1) { - return res; - } - - if ((res = init_multiplex(tty_dev)) != 0) { - return res; - } - - tun_fd = open_tun(if_name, IFF_TUN); - - printf("INFO: ip link set %s up\n", if_name); - sprintf(command, "ip link set %s up", if_name); - - strncpy(tun_if_name, if_name, IF_NAME_LEN); - - if ((res = system(command)) != 0) { - return res; - } - - if ((res = tun_add_addr(ip_addr)) != 0) { - return res; - } - - // initialize context cache as empty. - for (i = 0; i < MAXIMUM_CONTEXTS; i++) { - context_cache[i].cid = 0xFF; - } - - pthread_create(&serial_reader, NULL, serial_reader_f, NULL); - - hard_reset_to_user_code(); - flowcontrol_init(&parsed_addr); - pthread_create(&tun_reader, NULL, tun_reader_f, NULL); - - return 0; -} diff --git a/dist/tools/linux-border_router/sixlowdriver.h b/dist/tools/linux-border_router/sixlowdriver.h deleted file mode 100644 index b927bb7cad5171d047a1a735ac9f3c353b712e27..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/sixlowdriver.h +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -/** - * @file - * @author Martine Lenders <mlenders@inf.fu-berlin.de> - * @brief Public declarations for the 6LoWPAN Border Router driver. - */ - -#ifndef SIXLOWDRIVER_H -#define SIXLOWDRIVER_H - -#include <stdint.h> - -#include <sys/types.h> - -#include <netinet/ip6.h> - -/** - * @brief The maximum string length of an IPv6 address in text representation. - */ -#define IPV6_ADDR_LEN 40 -#define IF_NAME_LEN 10 ///< Maximum length of an interface name -#define DEV_LEN 20 ///< Maximum length of a device filename - -/** - * @brief Defines the format of the context information. - */ -typedef struct __attribute__((packed)) border_context_t { - uint16_t version; ///< Version of this context, send via the ABRO (s. draft-ietf-6lowpan-nd-17). - uint8_t cid; ///< The CID of the Context (s. draft-ietf-6lowpan-nd-17). - struct in6_addr prefix; ///< The prefix this context defines. - uint8_t len; ///< The length of the prefix in bits. - uint8_t comp; ///< Flag to determine if Context is allowed for compression (s. draft-ietf-6lowpan-nd-17). - uint16_t lifetime; ///< Lifetime of this context (s. draft-ietf-6lowpan-nd-17). -} border_context_t; - -/** - * @brief Initializes a TUN- or TAP-Interface. - * @param[in,out] dev The name of the new interface. If the name - * is not given, it is chosen by the kernel - * and returned to the caller. - * @param[in] flags Flags that signify the interface type - * (<tt>IFF_TUN</tt> = TUN interface, - * <tt>IFF_TAP</tt> = TAP interface, - * @return The file descriptor to the new interface. - * <tt>IFF_NO_PI</tt> = provide no packet information). - * @see http://backreference.org/2010/03/26/tuntap-interface-tutorial/ - * @see http://www.kernel.org/pub/linux/kernel/people/marcelo/linux-2.4/Documentation/networking/tuntap.txt - * - * Initializes a TUN- or TAP-Interface by the name <em>dev</em>. Which kind - * of interface is defined by <em>flags</em>. The function returns the file - * descriptor to the interface, which can be accessed via the - * POSIX.1-2001 functions <tt>read()</tt> and <tt>write()</tt> - */ -int open_tun(char *dev, int flags); - -/** - * @brief Returns the file descriptor to the TUN interface. - * @return The file descriptor to the TUN interface initialized by - * open_tun() - * - * open_tun() needs to be called before. Otherwise the result of this - * function may not make sense. - */ -int get_tun_fd(void); - -/** - * @brief Sets the owner of a TUN- or TAP-Interface. - * @param[in] fd The file descriptor to the interface to be changed. - * @param[in] uid User ID of the new user to be assigned. - * @param[in] gid Group ID of the new group to be assigned. - * @return 0, if successful, -1 if not. - */ -int tun_set_owner(int fd, const uid_t *uid, const gid_t *gid); - -/** - * @brief Adds a new IPv6 address to the TUN interface. - * @param[in] ip_addr The new address. - * @return 0, if <em>ip_addr</em> is a valid IPv6 address, -1, if not. - */ -int tun_add_addr(const char *ip_addr); - -/** - * @brief Initializes the border router. - * @param[in,out] if_name The name of the new TUN interface. If the - * name is not given, it is chosen by the - * kernel and returned to the caller. - * @param[in] ip_addr The IPv6 Address, that is initially attached - * to the LoWPAN Border Router. - * @param[in] tty_dev Device file of the serial interface the - * MSB-A2 is attached to. - * @return 0 if successfull, - * != 0 if an error occurs. - */ -int border_initialize(char *if_name, const char *ip_addr, const char *tty_dev); - -/** - * @brief Sends an IPv6 datagram via the TUN interface. - * @param[in] fd The file descriptor of the TUN interface - * @param[in] packet The IPv6 datagram that is to be send via the - * TUN interface and starts with an IPv6 header. - * - * The function uses the payload length field of the IPv6 Header to - * determine the length of the overall packet. The payload bytes - * <em>must</em> follow the header in memory. - */ -void border_send_ipv6_over_tun(int fd, const struct ip6_hdr *packet); - -/** - * @brief Updates 6LoWPAN contex information. - * @param[in] cid The context identifier, only values < 16 - * are allowed. - * @param[in] prefix The prefix that shall be associated with the - * <em>cid</em>. - * @param[in] len The length of the <em>prefix</em> in bits. - * @param[in] comp Flag to determine if Context is allowed for - * compression (s. draft-ietf-6lowpan-nd-17). - * @param[in] lifetime Lifetime of this context - * (s. draft-ietf-6lowpan-nd-17). - * @return If cid < 16 than it is 0, otherwise -1. - */ -int border_update_context(uint8_t cid, const struct in6_addr *prefix, - uint8_t len, uint8_t comp, - uint16_t lifetime); - -/** - * @brief Updates 6LoWPAN contex information, as it is stored in the - * border router (e.g. to maintain a context which lifetime - * is about to run out). - * @param[in] cid The context identifier. - * @return 0, if the context identifiet by cid is stored in the border - * router, -1 if not. - * - * The information taken for this update ist the last, that was used - * with \ref border_update_context(). - */ -int border_renew_existing_context(uint8_t cid); - -/** - * @brief Removes 6LoWPAN context information. - * @param[in] cid The context identifier. - * - * The information taken for this update ist the last, that was used - * with \ref border_update_context(). - */ -void border_remove_context(uint8_t cid); - -/** - * @brief Adds a new IPv6 address to the whole interface (TUN and - * sensor node). - * @param[in] ip_addr The new address. - * @return 0, if <em>ip_addr</em> is a valid IPv6 address, -1, if not. - */ -int border_add_addr(const char *ip_addr); - - -/** - * @brief Getter for the current version for ABROs send by this - * router. - * @return This border router's current version. - */ -uint16_t get_abro_version(void); - -/** - * @brief Increments and updates the version for ABROs send by this - * router. - * @return This border router's new ABRO version. - */ -uint16_t get_next_abro_version(void); - -#endif /* SIXLOWDRIVER_H*/ diff --git a/dist/tools/linux-border_router/testing.c b/dist/tools/linux-border_router/testing.c deleted file mode 100644 index 47db833025252bf5d17eefbf6b088b2eed54479f..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/testing.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <sys/time.h> - -#include "testing.h" -#include "flowcontrol.h" - -struct timeval timers[256]; -struct test_stats *stats = NULL; -int run_counter; - -FILE *stats_file = NULL; - -void init_file(const char *skeleton_file_name, - int runs_per_test, float interval) -{ - FILE *skeleton_file = NULL; - char line[1024]; - - skeleton_file = fopen(skeleton_file_name, "r"); - - while (fgets(line, 1024, skeleton_file) != NULL) { - if (strncmp(line, "# sending window size=%d\n", 1024) == 0) { - fprintf(stats_file, line, BORDER_SWS); - } - else if (strncmp(line, "# count=%ld (-c)\n", 1024) == 0) { - fprintf(stats_file, line, runs_per_test); - } - else if (strncmp(line, "# interval=%f (-i)\n", 1024) == 0) { - fprintf(stats_file, line, interval); - } - else { - fprintf(stats_file, "%s", line); - } - } - - fclose(skeleton_file); -} - -int testing_init(const char *stats_file_name, - const char *skeleton_file_name, - int runs_per_test, float interval) -{ - if (stats_file != NULL) { - return -1; - } - - stats = (struct test_stats *)calloc(runs_per_test, sizeof(struct test_stats)); - run_counter = 0; - - stats_file = fopen(stats_file_name, "w"); - - if (stats_file == NULL) { - return -1; - } - - init_file(skeleton_file_name, runs_per_test, interval); - return 0; -} - -int testing_destroy() -{ - int res, i; - - for (i = 0; i < run_counter; i++) { - fprintf(stats_file, "%7d\t%3d\t%7ld\n", - i, stats[i].seq_num, stats[i].time_diff - ); - } - - free(stats); - - stats = NULL; - - res = fclose(stats_file); - - stats_file = NULL; - - return res; -} - -void testing_start(uint8_t seq_num) -{ - if (stats_file == NULL) { - return; - } - - gettimeofday(&(timers[seq_num]), NULL); -} - -void testing_stop(uint8_t seq_num) -{ - if (stats_file == NULL) { - return; - } - - struct timeval start = timers[seq_num], end; - - gettimeofday(&end, NULL); - - stats[run_counter].seq_num = seq_num; - - stats[run_counter].time_diff = (end.tv_sec - start.tv_sec) * 1000; - - stats[run_counter].time_diff += (end.tv_usec - start.tv_usec) / 1000; - - run_counter++; -} - -void generate_filename( - char *filename, - const char *results_dir_name, - int runs_per_test, - float interval) -{ - time_t today; - struct tm *tmp = NULL; - char timestr[16]; - FILE *test = NULL; - int count = 1; - - today = time(NULL); - tmp = localtime(&today); - - if (tmp == NULL) { - perror("localtime"); - return; - } - - strftime(timestr, 16, "%Y.%m.%d", tmp); - - do { - sprintf(filename, - "%s/%s-Results-Ping6_%d_%d_%f-%d.txt", - results_dir_name, - timestr, - BORDER_SWS, - runs_per_test, - interval, - count++ - ); - } - while ((test = fopen(filename, "r")) != NULL); - - if (test != NULL) { - fclose(test); - } -} - -void start_test(const char *ping_addr, - const char *results_dir_name, const char *skeleton_file, - int runs_per_test, float interval) -{ - printf("%d, %f\n", runs_per_test, interval); - char command[50]; - char filename[50]; - generate_filename(filename, results_dir_name, runs_per_test, interval); - - sprintf(command, "ping6 -v -f -c %d -i %f -W 1 abcd::d", - runs_per_test, - interval - ); - - testing_init(filename, skeleton_file, runs_per_test, interval); - puts(command); - system(command); - testing_destroy(); -} diff --git a/dist/tools/linux-border_router/testing.h b/dist/tools/linux-border_router/testing.h deleted file mode 100644 index 0cf48b583af4b71f4cc9ffd96b08eac4f3135783..0000000000000000000000000000000000000000 --- a/dist/tools/linux-border_router/testing.h +++ /dev/null @@ -1,75 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin. - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -/** - * @file - * @brief Test suite for the 6LoWPAN Border Router. - * - * The tests are managed in the following way: - * Packets (ICMPv6 Echo Request) are send onto the sensor node - * via the serial interface. The user can then decide what she - * wants to measure by calling testing_start() to start the - * measuring and testing_stop() to end it. - * - * @author Martine Lenders <mlenders@inf.fu-berlin.de> - */ - -#ifndef TESTING_H -#define TESTING_H - -#include <stdint.h> - -/** - * @brief Defines the format to store test results. - */ -struct test_stats { - uint8_t seq_num; ///< Sequence number of the send packet. - /** - * @brief Time difference between call of testing_start() and - * testing_stop(). - */ - long int time_diff; -}; - -/** - * @brief Starts a test measuring. - * @param[in] seq_num Sequence number of the measurement. - */ -void testing_start(uint8_t seq_num); - -/** - * @brief Stops a test measuring. - * @param[in] seq_num Sequence number of the measurement. - */ -void testing_stop(uint8_t seq_num); - -/** - * @brief Starts the sending of the packets and initialises the - * test environment - * @param[in] ping_addr The address the packets should be - * send to. - * @param[in] results_dir_name Name of the results directory. - * @param[in] skeleton_file Name of the skeleton file, where - * the template for the results file - * is. Lines of the formats - * <tt>"# count=%ld (-c)\n"</tt> and - * <tt>"# interval=%0.2f (-i)\n"</tt> - * will be replaced with <tt>\%ld</tt> - * set to <em>runs_per_test</em> and - * <tt>\%0.2f</tt> set to - * <em>interval</em>. - * @param[in] runs_per_test How many packets shall be send in - * this test. - * @param[in] interval How many seconds shall lay between - * the sending of each packet. - */ -void start_test(const char *ping_addr, - const char *results_dir_name, const char *skeleton_file, - int runs_per_test, float interval); - -#endif /* TESTING_H*/ diff --git a/dist/tools/tunslip/.gitignore b/dist/tools/tunslip/.gitignore new file mode 100644 index 0000000000000000000000000000000000000000..2d670c3d93dfc8bf9b4c0630077988edeb67d40b --- /dev/null +++ b/dist/tools/tunslip/.gitignore @@ -0,0 +1,3 @@ +tapslip6 +tunslip +tunslip6 diff --git a/dist/tools/tunslip/Makefile b/dist/tools/tunslip/Makefile new file mode 100644 index 0000000000000000000000000000000000000000..8577d3d67b82c42b21ec5016679a81001a217b66 --- /dev/null +++ b/dist/tools/tunslip/Makefile @@ -0,0 +1,10 @@ +PREFIX ?= /usr/local +BIN = tapslip6 tunslip tunslip6 + +all: $(BIN) + +install: + mkdir -p $(PREFIX)/bin && install $(BIN) $(PREFIX)/bin + +uninstall: + rm -f $(foreach bin,$(BIN),$(PREFIX)/bin/$(bin)) diff --git a/dist/tools/tunslip/README.md b/dist/tools/tunslip/README.md new file mode 100644 index 0000000000000000000000000000000000000000..f6832e898192e697f9d73ec56a53388e311e1126 --- /dev/null +++ b/dist/tools/tunslip/README.md @@ -0,0 +1,43 @@ +Creating a SLIP network interface +================================= + +The module `ng_slip` (Serial line IP) enables the RIOT network stack to +communicate IP packets over the serial interface. This collection of tools +originally from Contiki [1] enables Linux to interpret this data. Though there +is a tool for such operations on Linux (`slattach`) it is only able to handle +IPv4 packages and is unnessarily complicated. + +# Installation +Just install them using + +``` {.sh} +make +sudo make install +``` + +By default they are installed to the `/usr/local/bin` directory, you can however +change that by setting the PREFIX environment variable + +``` {.sh} +export PREFIX=${HOME}/.local +make +sudo make install +``` + +# Usage +`tapslip6` allows you to open a TAP interface (includes link-layer data) for +a serial interace handling IPv6 data, +`tunslip` allows you to open a TUN interface (includes only network-layer data) +for a serial interace handling IPv4 data, and +`tunslip6` allows you to open a TUN interface (includes only network-layer data) +for a serial interace handling IPv6 data. + +For more information use the help feature of the tools + +``` {.sh} +tapslip -h +tunslip -h +tunslip6 -h +``` + +[1] https://github.com/contiki-os/contiki/tree/a4206273a5a491949f9e565e343f31908173c998/tools diff --git a/dist/tools/tunslip/tapslip6.c b/dist/tools/tunslip/tapslip6.c new file mode 100644 index 0000000000000000000000000000000000000000..25a062c66a4d112e6934bd03e900f6b5aacba5be --- /dev/null +++ b/dist/tools/tunslip/tapslip6.c @@ -0,0 +1,748 @@ +/* + * Copyright (c) 2001, Adam Dunkels. + * Copyright (c) 2009, Joakim Eriksson, Niclas Finne. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * This file is part of the uIP TCP/IP stack. + * + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <time.h> +#include <sys/types.h> + +#include <unistd.h> +#include <errno.h> +#include <fcntl.h> +#include <signal.h> +#include <termios.h> +#include <sys/ioctl.h> + +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> + +#include <err.h> + +in_addr_t giaddr; +in_addr_t netaddr; +in_addr_t circuit_addr; + +int ssystem(const char *fmt, ...) __attribute__((__format__(__printf__, 1, 2))); +void write_to_serial(int outfd, void *inbuf, int len); + +//#define PROGRESS(s) fprintf(stderr, s) +#define PROGRESS(s) do { } while (0) + +#define USAGE_STRING "usage: tapslip6 [-B baudrate] [-s siodev] [-t tundev] ipaddress netmask" + +char tundev[1024] = { "tap0" }; + +int +ssystem(const char *fmt, ...) __attribute__((__format__(__printf__, 1, 2))); + +int +ssystem(const char *fmt, ...) +{ + char cmd[128]; + va_list ap; + va_start(ap, fmt); + vsnprintf(cmd, sizeof(cmd), fmt, ap); + va_end(ap); + printf("%s\n", cmd); + fflush(stdout); + return system(cmd); +} + +#define SLIP_END 0300 +#define SLIP_ESC 0333 +#define SLIP_ESC_END 0334 +#define SLIP_ESC_ESC 0335 + +static void +print_packet(u_int8_t *p, int len) +{ + int i; + + for (i = 0; i < len; i++) { + printf("%02x", p[i]); + + if ((i & 3) == 3) { + printf(" "); + } + + if ((i & 15) == 15) { + printf("\n"); + } + } + + printf("\n"); +} + +int +is_sensible_string(const unsigned char *s, int len) +{ + int i; + + for (i = 1; i < len; i++) { + if (s[i] == 0 || s[i] == '\r' || s[i] == '\n' || s[i] == '\t') { + continue; + } + else if (s[i] < ' ' || '~' < s[i]) { + return 0; + } + } + + return 1; +} + + + +/* + * Read from serial, when we have a packet write it to tun. No output + * buffering, input buffered by stdio. + */ +void +serial_to_tun(FILE *inslip, int outfd) +{ + static union { + unsigned char inbuf[2000]; + } uip; + static int inbufptr = 0; + + int ret; + unsigned char c; + +#ifdef linux + ret = fread(&c, 1, 1, inslip); + + if (ret == -1 || ret == 0) { + err(1, "serial_to_tun: read"); + } + + goto after_fread; +#endif + +read_more: + + if (inbufptr >= sizeof(uip.inbuf)) { + inbufptr = 0; + } + + ret = fread(&c, 1, 1, inslip); +#ifdef linux +after_fread: +#endif + + if (ret == -1) { + err(1, "serial_to_tun: read"); + } + + if (ret == 0) { + clearerr(inslip); + return; + fprintf(stderr, "serial_to_tun: EOF\n"); + exit(1); + } + + /* fprintf(stderr, ".");*/ + switch (c) { + case SLIP_END: + if (inbufptr > 0) { + if (uip.inbuf[0] == '!') { + if (uip.inbuf[1] == 'M') { + /* Read gateway MAC address and autoconfigure tap0 interface */ + char macs[24]; + int i, pos; + + for (i = 0, pos = 0; i < 16; i++) { + macs[pos++] = uip.inbuf[2 + i]; + + if ((i & 1) == 1 && i < 14) { + macs[pos++] = ':'; + } + } + + macs[pos] = '\0'; + printf("*** Gateway's MAC address: %s\n", macs); + + ssystem("ifconfig %s down", tundev); + ssystem("ifconfig %s hw ether %s", tundev, &macs[6]); + ssystem("ifconfig %s up", tundev); + } + +#define DEBUG_LINE_MARKER '\r' + } + else if (uip.inbuf[0] == DEBUG_LINE_MARKER) { + fwrite(uip.inbuf + 1, inbufptr - 1, 1, stdout); + } + else if (is_sensible_string(uip.inbuf, inbufptr)) { + fwrite(uip.inbuf, inbufptr, 1, stdout); + } + else { + printf("Writing to tun len: %d\n", inbufptr); + + /* print_packet(uip.inbuf, inbufptr);*/ + if (write(outfd, uip.inbuf, inbufptr) != inbufptr) { + err(1, "serial_to_tun: write"); + } + } + + inbufptr = 0; + } + + break; + + case SLIP_ESC: + if (fread(&c, 1, 1, inslip) != 1) { + clearerr(inslip); + /* Put ESC back and give up! */ + ungetc(SLIP_ESC, inslip); + return; + } + + switch (c) { + case SLIP_ESC_END: + c = SLIP_END; + break; + + case SLIP_ESC_ESC: + c = SLIP_ESC; + break; + } + + /* FALLTHROUGH */ + default: + uip.inbuf[inbufptr++] = c; + break; + } + + goto read_more; +} + +unsigned char slip_buf[2000]; +int slip_end, slip_begin; + + +void +slip_send(int fd, unsigned char c) +{ + if (slip_end >= sizeof(slip_buf)) { + err(1, "slip_send overflow"); + } + + slip_buf[slip_end] = c; + slip_end++; +} + +int +slip_empty() +{ + return slip_end == 0; +} + +void +slip_flushbuf(int fd) +{ + int n; + + if (slip_empty()) { + return; + } + + n = write(fd, slip_buf + slip_begin, (slip_end - slip_begin)); + + if (n == -1 && errno != EAGAIN) { + err(1, "slip_flushbuf write failed"); + } + else if (n == -1) { + PROGRESS("Q"); /* Outqueueis full! */ + } + else { + slip_begin += n; + + if (slip_begin == slip_end) { + slip_begin = slip_end = 0; + } + } +} + +void +write_to_serial(int outfd, void *inbuf, int len) +{ + u_int8_t *p = inbuf; + int i, ecode; + + /* printf("Got packet of length %d - write SLIP\n", len);*/ + /* print_packet(p, len);*/ + + /* It would be ``nice'' to send a SLIP_END here but it's not + * really necessary. + */ + /* slip_send(outfd, SLIP_END); */ + /* printf("writing packet to serial!!!%d\n", len);*/ + for (i = 0; i < len; i++) { + switch (p[i]) { + case SLIP_END: + slip_send(outfd, SLIP_ESC); + slip_send(outfd, SLIP_ESC_END); + break; + + case SLIP_ESC: + slip_send(outfd, SLIP_ESC); + slip_send(outfd, SLIP_ESC_ESC); + break; + + default: + slip_send(outfd, p[i]); + break; + } + + } + + slip_send(outfd, SLIP_END); + PROGRESS("t"); +} + + +/* + * Read from tun, write to slip. + */ +void +tun_to_serial(int infd, int outfd) +{ + struct { + unsigned char inbuf[2000]; + } uip; + int size; + + if ((size = read(infd, uip.inbuf, 2000)) == -1) { + err(1, "tun_to_serial: read"); + } + + write_to_serial(outfd, uip.inbuf, size); +} + +#ifndef BAUDRATE +#define BAUDRATE B115200 +#endif +speed_t b_rate = BAUDRATE; + +void +stty_telos(int fd) +{ + struct termios tty; + speed_t speed = b_rate; + int i; + + if (tcflush(fd, TCIOFLUSH) == -1) { + err(1, "tcflush"); + } + + if (tcgetattr(fd, &tty) == -1) { + err(1, "tcgetattr"); + } + + cfmakeraw(&tty); + + /* Nonblocking read. */ + tty.c_cc[VTIME] = 0; + tty.c_cc[VMIN] = 0; + tty.c_cflag &= ~CRTSCTS; + tty.c_cflag &= ~HUPCL; + tty.c_cflag &= ~CLOCAL; + + cfsetispeed(&tty, speed); + cfsetospeed(&tty, speed); + + if (tcsetattr(fd, TCSAFLUSH, &tty) == -1) { + err(1, "tcsetattr"); + } + +#if 1 + /* Nonblocking read and write. */ + /* if (fcntl(fd, F_SETFL, O_NONBLOCK) == -1) err(1, "fcntl"); */ + + tty.c_cflag |= CLOCAL; + + if (tcsetattr(fd, TCSAFLUSH, &tty) == -1) { + err(1, "tcsetattr"); + } + + i = TIOCM_DTR; + + if (ioctl(fd, TIOCMBIS, &i) == -1) { + err(1, "ioctl"); + } + +#endif + + usleep(10 * 1000); /* Wait for hardware 10ms. */ + + /* Flush input and output buffers. */ + if (tcflush(fd, TCIOFLUSH) == -1) { + err(1, "tcflush"); + } +} + +int +devopen(const char *dev, int flags) +{ + char t[1024]; + strcpy(t, "/dev/"); + strcat(t, dev); + return open(t, flags); +} + +#ifdef linux +#include <linux/if.h> +#include <linux/if_tun.h> + +int +tun_alloc(char *dev) +{ + struct ifreq ifr; + int fd, err; + + if ((fd = open("/dev/net/tun", O_RDWR)) < 0) { + return -1; + } + + memset(&ifr, 0, sizeof(ifr)); + + /* Flags: IFF_TUN - TUN device (no Ethernet headers) + * IFF_TAP - TAP device + * + * IFF_NO_PI - Do not provide packet information + */ + ifr.ifr_flags = IFF_TAP | IFF_NO_PI; + + if (*dev != 0) { + strncpy(ifr.ifr_name, dev, IFNAMSIZ); + } + + if ((err = ioctl(fd, TUNSETIFF, (void *) &ifr)) < 0) { + close(fd); + return err; + } + + strcpy(dev, ifr.ifr_name); + return fd; +} +#else +int +tun_alloc(char *dev) +{ + return devopen(dev, O_RDWR); +} +#endif + +const char *ipaddr; +const char *netmask; + +void +cleanup(void) +{ + ssystem("ifconfig %s down", tundev); +#ifndef linux + ssystem("sysctl -w net.ipv6.conf.all.forwarding=1"); +#endif + /* ssystem("arp -d %s", ipaddr); */ + ssystem("netstat -nr" + " | awk '{ if ($2 == \"%s\") print \"route delete -net \"$1; }'" + " | sh", + tundev); +} + +void +sigcleanup(int signo) +{ + fprintf(stderr, "signal %d\n", signo); + exit(0); /* exit(0) will call cleanup() */ +} + +static int got_sigalarm; +static int request_mac; + +void +sigalarm(int signo) +{ + got_sigalarm = 1; + return; +} + +void +sigalarm_reset() +{ +#ifdef linux +#define TIMEOUT (997*1000) +#else +#define TIMEOUT (2451*1000) +#endif + ualarm(TIMEOUT, TIMEOUT); + got_sigalarm = 0; +} + +void +ifconf(const char *tundev, const char *ipaddr, const char *netmask) +{ + struct in_addr netname; + netname.s_addr = inet_addr(ipaddr) & inet_addr(netmask); + +#ifdef linux + ssystem("ifconfig %s inet `hostname` up", tundev); + + if (strcmp(ipaddr, "0.0.0.0") != 0) { + ssystem("route add -net %s netmask %s dev %s", + inet_ntoa(netname), netmask, tundev); + } + +#else + ssystem("ifconfig %s inet `hostname` %s up", tundev, ipaddr); + + if (strcmp(ipaddr, "0.0.0.0") != 0) { + ssystem("route add -net %s -netmask %s -interface %s", + inet_ntoa(netname), netmask, tundev); + } + + ssystem("sysctl -w net.inet.ip.forwarding=1"); +#endif /* !linux */ + + ssystem("ifconfig %s\n", tundev); +} + +int +main(int argc, char **argv) +{ + int c; + int tunfd, slipfd, maxfd; + int ret; + fd_set rset, wset; + FILE *inslip; + const char *siodev = NULL; + int baudrate = -2; + request_mac = 1; + setvbuf(stdout, NULL, _IOLBF, 0); /* Line buffered output. */ + + while ((c = getopt(argc, argv, "B:D:hs:t:")) != -1) { + switch (c) { + case 'B': + baudrate = atoi(optarg); + break; + + case 's': + if (strncmp("/dev/", optarg, 5) == 0) { + siodev = optarg + 5; + } + else { + siodev = optarg; + } + + break; + + case 't': + if (strncmp("/dev/", optarg, 5) == 0) { + strcpy(tundev, optarg + 5); + } + else { + strcpy(tundev, optarg); + } + + break; + + case '?': + case 'h': + default: + errx(1, USAGE_STRING); + break; + } + } + + argc -= (optind - 1); + argv += (optind - 1); + + if (argc != 3 && argc != 4) { + errx(1, USAGE_STRING); + } + + ipaddr = argv[1]; + netmask = argv[2]; + circuit_addr = inet_addr(ipaddr); + netaddr = inet_addr(ipaddr) & inet_addr(netmask); + + switch (baudrate) { + case -2: + break; /* Use default. */ + + case 9600: + b_rate = B9600; + break; + + case 19200: + b_rate = B19200; + break; + + case 38400: + b_rate = B38400; + break; + + case 57600: + b_rate = B57600; + break; + + case 115200: + b_rate = B115200; + break; + + default: + err(1, "unknown baudrate %d", baudrate); + break; + } + + + if (siodev != NULL) { + slipfd = devopen(siodev, O_RDWR | O_NONBLOCK); + + if (slipfd == -1) { + err(1, "can't open siodev ``/dev/%s''", siodev); + } + } + else { + static const char *siodevs[] = { + "ttyUSB0", "cuaU0", "ucom0" /* linux, fbsd6, fbsd5 */ + }; + int i; + + for (i = 0; i < 3; i++) { + siodev = siodevs[i]; + slipfd = devopen(siodev, O_RDWR | O_NONBLOCK); + + if (slipfd != -1) { + break; + } + } + + if (slipfd == -1) { + err(1, "can't open siodev"); + } + } + + fprintf(stderr, "slip started on ``/dev/%s''\n", siodev); + stty_telos(slipfd); + slip_send(slipfd, SLIP_END); + inslip = fdopen(slipfd, "r"); + + if (inslip == NULL) { + err(1, "main: fdopen"); + } + + tunfd = tun_alloc(tundev); + printf("opening: %s", tundev); + + if (tunfd == -1) { + err(1, "main: open"); + } + + fprintf(stderr, "opened device ``/dev/%s''\n", tundev); + + atexit(cleanup); + signal(SIGHUP, sigcleanup); + signal(SIGTERM, sigcleanup); + signal(SIGINT, sigcleanup); + signal(SIGALRM, sigalarm); + ifconf(tundev, ipaddr, netmask); + + while (1) { + maxfd = 0; + FD_ZERO(&rset); + FD_ZERO(&wset); + + /* request mac address from gateway node for autoconfiguration of + ethernet interface tap0 */ + if (request_mac) { + slip_send(slipfd, '?'); + slip_send(slipfd, 'M'); + slip_send(slipfd, SLIP_END); + request_mac = 0; + } + + if (got_sigalarm) { + /* Send "?IPA". */ + slip_send(slipfd, '?'); + slip_send(slipfd, 'I'); + slip_send(slipfd, 'P'); + slip_send(slipfd, 'A'); + slip_send(slipfd, SLIP_END); + got_sigalarm = 0; + } + + if (!slip_empty()) { /* Anything to flush? */ + FD_SET(slipfd, &wset); + } + + FD_SET(slipfd, &rset); /* Read from slip ASAP! */ + + if (slipfd > maxfd) { + maxfd = slipfd; + } + + /* We only have one packet at a time queued for slip output. */ + if (slip_empty()) { + FD_SET(tunfd, &rset); + + if (tunfd > maxfd) { + maxfd = tunfd; + } + } + + ret = select(maxfd + 1, &rset, &wset, NULL, NULL); + + if (ret == -1 && errno != EINTR) { + err(1, "select"); + } + else if (ret > 0) { + if (FD_ISSET(slipfd, &rset)) { + serial_to_tun(inslip, tunfd); + } + + if (FD_ISSET(slipfd, &wset)) { + slip_flushbuf(slipfd); + sigalarm_reset(); + } + + if (slip_empty() && FD_ISSET(tunfd, &rset)) { + tun_to_serial(tunfd, slipfd); + slip_flushbuf(slipfd); + sigalarm_reset(); + } + } + } +} diff --git a/dist/tools/tunslip/tunslip.c b/dist/tools/tunslip/tunslip.c new file mode 100644 index 0000000000000000000000000000000000000000..6fa1f0944c09b5990b5c50f95bbf035605b87a7e --- /dev/null +++ b/dist/tools/tunslip/tunslip.c @@ -0,0 +1,1267 @@ +/* + * Copyright (c) 2001, Adam Dunkels. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * This file is part of the uIP TCP/IP stack. + * + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <time.h> +#include <sys/types.h> + +#include <unistd.h> +#include <errno.h> +#include <fcntl.h> +#include <signal.h> +#include <termios.h> +#include <sys/ioctl.h> + +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> + +#include <err.h> + +int ssystem(const char *fmt, ...) __attribute__((__format__(__printf__, 1, 2))); +void write_to_serial(int outfd, void *inbuf, int len); + +//#define PROGRESS(s) fprintf(stderr, s) +#define PROGRESS(s) do { } while (0) + +struct ip { + u_int8_t ip_vhl; /* version and header length */ +#define IP_V4 0x40 +#define IP_V 0xf0 +#define IP_HL 0x0f + u_int8_t ip_tos; /* type of service */ + u_int16_t ip_len; /* total length */ + u_int16_t ip_id; /* identification */ + u_int16_t ip_off; /* fragment offset field */ +#define IP_RF 0x8000 /* reserved fragment flag */ +#define IP_DF 0x4000 /* dont fragment flag */ +#define IP_MF 0x2000 /* more fragments flag */ +#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */ + u_int8_t ip_ttl; /* time to live */ + u_int8_t ip_p; /* protocol */ + u_int16_t ip_sum; /* checksum */ + u_int32_t ip_src, ip_dst; /* source and dest address */ + u_int16_t uh_sport; /* source port */ + u_int16_t uh_dport; /* destination port */ + u_int16_t uh_ulen; /* udp length */ + u_int16_t uh_sum; /* udp checksum */ +}; + +int check_ip(const struct ip *ip, unsigned ip_len); +u_int16_t ip4sum(u_int16_t sum, const void *_p, u_int16_t len); + +struct dhcp_msg { + u_int8_t op, htype, hlen, hops; + u_int8_t xid[4]; + u_int16_t secs, flags; + u_int8_t ciaddr[4]; + u_int8_t yiaddr[4]; + u_int8_t siaddr[4]; + u_int8_t giaddr[4]; + u_int8_t chaddr[16]; +#define DHCP_BASE_LEN (4*7 + 16) + u_int8_t sname[64]; + u_int8_t file[128]; +#define DHCP_HOLE_LEN (64 + 128) +#define DHCP_MSG_LEN (DHCP_BASE_LEN + DHCP_HOLE_LEN) + u_int8_t options[312]; +}; + +struct dhcp_light_msg { + u_int8_t op, htype, hlen, hops; + u_int8_t xid[4]; + u_int16_t secs, flags; + u_int8_t ciaddr[4]; + u_int8_t yiaddr[4]; + u_int8_t siaddr[4]; + u_int8_t giaddr[4]; + u_int8_t chaddr[16]; +#define DHCP_LIGHT_MSG_LEN (4*7 + 16) + u_int8_t options[312]; +}; + +#define DHCP_OPTION_SUBNET_MASK 1 +#define DHCP_OPTION_ROUTER 3 +#define DHCP_OPTION_DNS_SERVER 6 +#define DHCP_OPTION_REQ_IPADDR 50 +#define DHCP_OPTION_LEASE_TIME 51 +#define DHCP_OPTION_MSG_TYPE 53 +#define DHCP_OPTION_SERVER_ID 54 +#define DHCP_OPTION_REQ_LIST 55 +#define DHCP_OPTION_AGENT 82 +#define DHCP_OPTION_SUBNET_SELECTION 118 +#define DHCP_OPTION_END 255 + +/* DHCP_OPTION_AGENT, Relay Agent Information option subtypes: */ +#define RAI_CIRCUIT_ID 1 +#define RAI_REMOTE_ID 2 +#define RAI_AGENT_ID 3 +#define RAI_SUBNET_SELECTION 5 + +#define DHCPDISCOVER 1 +#define DHCPOFFER 2 +#define DHCPREQUEST 3 +#define DHCPDECLINE 4 +#define DHCPACK 5 +#define DHCPNAK 6 +#define DHCPRELEASE 7 + +#define BOOTP_BROADCAST 0x8000 + +#define BOOTPS 67 +#define BOOTPC 68 + +#define BOOTREQUEST 1 +#define BOOTREPLY 2 + +in_addr_t giaddr; +in_addr_t netaddr; +in_addr_t circuit_addr; + +char tundev[1024] = { "tun0" }; + +struct sockaddr_in dhaddr; +int dhsock = -1; + +void +relay_dhcp_to_server(struct ip *ip, int len) +{ + struct dhcp_light_msg *inm; + struct dhcp_msg m; + int n; + u_int8_t *optptr; + + inm = (void *)(((u_int8_t *)ip) + 20 + 8); /* Skip over IP&UDP headers. */ + + if (inm->op != BOOTREQUEST) { + return; + } + + inm->flags = ntohs(BOOTP_BROADCAST); + + memcpy(&m, inm, DHCP_BASE_LEN); + memset(&m.sname, 0x0, DHCP_HOLE_LEN); + memcpy(&m.options, &inm->options, len - 20 - 8 - DHCP_BASE_LEN); + n = (len - 20 - 8) + DHCP_HOLE_LEN; /* +HOLE -IP&UDP headers. */ + + /* + * Ideally we would like to use the Relay Agent information option + * (RFC3046) together with the Link Selection sub-option (RFC3527) + * to ensure that addresses are allocated for this + * subnet. Unfortunately ISC-DHCPD does not currently implement + * RFC3527 and some other mechanism must be used. For this reason + * this implementation in addition uses the DHCP option for subnet + * selection (RFC3011) which is really not intended to be used by + * relays. + * + * Find DHCP_OPTION_END and add the new option here. + */ + optptr = &m.options[n - DHCP_BASE_LEN - DHCP_HOLE_LEN - 1]; + { + *optptr++ = DHCP_OPTION_SUBNET_SELECTION; /* RFC3011 */ + *optptr++ = 4; + memcpy(optptr, &netaddr, 4); + optptr += 4; + n += 4 + 2; + } + { + *optptr++ = DHCP_OPTION_AGENT; /* RFC3046 */ + *optptr++ = 18; /* Sum of all suboptions below! */ + + *optptr++ = RAI_SUBNET_SELECTION; /* RFC3527 */ + *optptr++ = 4; + memcpy(optptr, &netaddr, 4); + optptr += 4; + *optptr++ = RAI_CIRCUIT_ID; + *optptr++ = 4; + memcpy(optptr, &circuit_addr, 4); + optptr += 4; + *optptr++ = RAI_AGENT_ID; + *optptr++ = 4; + memcpy(optptr, &giaddr, 4); + optptr += 4; + n += 18 + 2; /* Sum of all suboptions + 2! */ + } + /* And finally put back the END. */ + *optptr++ = DHCP_OPTION_END; + + m.hops++; + memcpy(m.giaddr, &giaddr, sizeof(m.giaddr)); + + if (n != sendto(dhsock, &m, n, 0x0/*flags*/, + (struct sockaddr *)&dhaddr, sizeof(dhaddr))) { + err(1, "sendto relay failed"); + } +} + +static u_int16_t ip_id; + +void +relay_dhcp_to_client(int slipfd) +{ + struct dhcp_msg inm; + struct { + struct ip ip; + struct dhcp_light_msg m; + } pkt; + int n, optlen, ip_len, udp_len; + u_int8_t *p, *t, *end; + u_int16_t sum; + u_int8_t op, msg_type = 0; + struct in_addr yiaddr; + + memset(&inm.options, 0x0, sizeof(inm.options)); + + n = recv(dhsock, &inm, sizeof(inm), 0x0/*flags*/); + + if (inm.op != BOOTREPLY) { + return; + } + + memcpy(&yiaddr, inm.yiaddr, sizeof(inm.yiaddr)); + memcpy(&pkt.m, &inm, DHCP_BASE_LEN); + pkt.m.hops++; + memset(pkt.m.giaddr, 0x0, sizeof(pkt.m.giaddr)); + + /* + * Copy options we would like to send to client. + */ + memcpy(pkt.m.options, inm.options, 4); /* Magic cookie */ + + end = &inm.op + n; + p = inm.options + 4; /* Magic cookie */ + t = pkt.m.options + 4; /* Magic cookie */ + + while (p < end) { + op = p[0]; + + switch (op) { + case DHCP_OPTION_END: + goto done; + + case DHCP_OPTION_MSG_TYPE: + msg_type = p[2]; + + case DHCP_OPTION_SUBNET_MASK: + case DHCP_OPTION_ROUTER: + case DHCP_OPTION_LEASE_TIME: + case DHCP_OPTION_SERVER_ID: /* Copy these options */ + memcpy(t, p, p[1] + 2); + t += p[1] + 2; + p += p[1] + 2; + break; + + case DHCP_OPTION_DNS_SERVER: /* Only copy first server */ + *t++ = p[0]; + *t++ = 4; + memcpy(t, p + 2, 4); + t += 4; + p += p[1] + 2; + break; + + default: /* Ignore these options */ + /* printf("option type %d len %d\n", op, p[1]); */ + p += p[1] + 2; + continue; + } + } + +done: + + if (op == DHCP_OPTION_END) { + *t++ = op; + *p++; + } + + optlen = t - pkt.m.options; + ip_len = 20 + 8 + DHCP_BASE_LEN + optlen; + udp_len = 8 + DHCP_BASE_LEN + optlen; + + pkt.ip.ip_vhl = 0x45; /* IPv4 and hdrlen=5*4 */ + pkt.ip.ip_tos = 0; + pkt.ip.ip_len = htons(ip_len); + pkt.ip.ip_id = htons(ip_id++); + pkt.ip.ip_off = 0; + pkt.ip.ip_ttl = 64; + pkt.ip.ip_p = 17; /* proto UDP */ + pkt.ip.ip_sum = 0; + pkt.ip.ip_src = giaddr; + + if (inm.flags & htons(BOOTP_BROADCAST)) { /* check bcast bit */ + pkt.ip.ip_dst = 0xffffffff; /* 255.255.255.255 */ + } + else { + pkt.ip.ip_dst = yiaddr.s_addr; + } + + pkt.ip.uh_sport = htons(BOOTPS); + pkt.ip.uh_dport = htons(BOOTPC); + pkt.ip.uh_ulen = htons(udp_len); + pkt.ip.uh_sum = 0; + + pkt.ip.ip_sum = ~htons(ip4sum(0, &pkt.ip, 20)); + sum = 17 + udp_len; + sum = ip4sum(sum, &pkt.ip.ip_src, 8); + sum = ip4sum(sum, &pkt.ip.uh_sport, udp_len); + + if (sum != 0xffff) { + pkt.ip.uh_sum = ~htons(sum); + } + else { + pkt.ip.uh_sum = 0xffff; + } + + write_to_serial(slipfd, &pkt, ip_len); + + if (msg_type == DHCPACK) { + printf("DHCPACK %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x IP %s\n", + pkt.m.chaddr[0], pkt.m.chaddr[1], pkt.m.chaddr[2], pkt.m.chaddr[3], + pkt.m.chaddr[4], pkt.m.chaddr[5], pkt.m.chaddr[6], pkt.m.chaddr[7], + inet_ntoa(yiaddr)); + /* ssystem("arp -s %s auto pub only", inet_ntoa(yiaddr)); */ + } +} + +/* + * Internet checksum in host byte order. + */ +u_int16_t +ip4sum(u_int16_t sum, const void *_p, u_int16_t len) +{ + u_int16_t t; + const u_int8_t *p = _p; + const u_int8_t *end = p + len; + + while (p < (end - 1)) { + t = (p[0] << 8) + p[1]; + sum += t; + + if (sum < t) { + sum++; + } + + p += 2; + } + + if (p < end) { + t = (p[0] << 8) + 0; + sum += t; + + if (sum < t) { + sum++; + } + } + + return sum; +} + +int +check_ip(const struct ip *ip, unsigned ip_len) +{ + u_int16_t sum, ip_hl; + + /* Check IP version and length. */ + if ((ip->ip_vhl & IP_V) != IP_V4) { + return -1; + } + + if (ntohs(ip->ip_len) > ip_len) { + return -2; + } + + if (ntohs(ip->ip_len) < ip_len) { + return -3; + } + + /* Check IP header. */ + ip_hl = 4 * (ip->ip_vhl & IP_HL); + sum = ip4sum(0, ip, ip_hl); + + if (sum != 0xffff && sum != 0x0) { + return -4; + } + + if (ip->ip_p == 6 || ip->ip_p == 17) { /* Check TCP or UDP header. */ + u_int16_t tcp_len = ip_len - ip_hl; + + /* Sum pseudoheader. */ + sum = ip->ip_p + tcp_len; /* proto and len, no carry */ + sum = ip4sum(sum, &ip->ip_src, 8); /* src and dst */ + + /* Sum TCP/UDP header and data. */ + sum = ip4sum(sum, (u_int8_t *)ip + ip_hl, tcp_len); + + /* Failed checksum test? */ + if (sum != 0xffff && sum != 0x0) { + if (ip->ip_p == 6) { /* TCP == 6 */ + return -5; + } + else { /* UDP */ + /* Deal with disabled UDP checksums. */ + if (ip->uh_sum != 0) { + return -6; + } + } + } + } + else if (ip->ip_p == 1) { /* ICMP */ + u_int16_t icmp_len = ip_len - ip_hl; + + sum = ip4sum(0, (u_int8_t *)ip + ip_hl, icmp_len); + + if (sum != 0xffff && sum != 0x0) { + return -7; + } + } + + return 0; +} + +int +is_sensible_string(const unsigned char *s, int len) +{ + int i; + + for (i = 1; i < len; i++) { + if (s[i] == 0 || s[i] == '\r' || s[i] == '\n' || s[i] == '\t') { + continue; + } + else if (s[i] < ' ' || '~' < s[i]) { + return 0; + } + } + + return 1; +} + +int +ssystem(const char *fmt, ...) __attribute__((__format__(__printf__, 1, 2))); + +int +ssystem(const char *fmt, ...) +{ + char cmd[128]; + va_list ap; + va_start(ap, fmt); + vsnprintf(cmd, sizeof(cmd), fmt, ap); + va_end(ap); + printf("%s\n", cmd); + fflush(stdout); + return system(cmd); +} + +#define SLIP_END 0300 +#define SLIP_ESC 0333 +#define SLIP_ESC_END 0334 +#define SLIP_ESC_ESC 0335 + +/* + * Read from serial, when we have a packet write it to tun. No output + * buffering, input buffered by stdio. + */ +void +serial_to_tun(FILE *inslip, int outfd) +{ + static union { + unsigned char inbuf[2000]; + struct ip iphdr; + } uip; + static int inbufptr = 0; + + int ret; + unsigned char c; + +#ifdef linux + ret = fread(&c, 1, 1, inslip); + + if (ret == -1 || ret == 0) { + err(1, "serial_to_tun: read"); + } + + goto after_fread; +#endif + +read_more: + + if (inbufptr >= sizeof(uip.inbuf)) { + inbufptr = 0; + } + + ret = fread(&c, 1, 1, inslip); +#ifdef linux +after_fread: +#endif + + if (ret == -1) { + err(1, "serial_to_tun: read"); + } + + if (ret == 0) { + clearerr(inslip); + return; + fprintf(stderr, "serial_to_tun: EOF\n"); + exit(1); + } + + /* fprintf(stderr, ".");*/ + switch (c) { + case SLIP_END: + if (inbufptr > 0) { + /* + * Sanity checks. + */ +#define DEBUG_LINE_MARKER '\r' + int ecode; + ecode = check_ip(&uip.iphdr, inbufptr); + + if (ecode < 0 && inbufptr == 8 && strncmp(uip.inbuf, "=IPA", 4) == 0) { + static struct in_addr ipa; + + inbufptr = 0; + + if (memcmp(&ipa, &uip.inbuf[4], sizeof(ipa)) == 0) { + break; + } + + /* New address. */ + if (ipa.s_addr != 0) { +#ifdef linux + ssystem("route delete -net %s netmask %s dev %s", + inet_ntoa(ipa), "255.255.255.255", tundev); +#else + ssystem("route delete -net %s -netmask %s -interface %s", + inet_ntoa(ipa), "255.255.255.255", tundev); +#endif + } + + memcpy(&ipa, &uip.inbuf[4], sizeof(ipa)); + + if (ipa.s_addr != 0) { +#ifdef linux + ssystem("route add -net %s netmask %s dev %s", + inet_ntoa(ipa), "255.255.255.255", tundev); +#else + ssystem("route add -net %s -netmask %s -interface %s", + inet_ntoa(ipa), "255.255.255.255", tundev); +#endif + } + + break; + } + else if (ecode < 0) { + /* + * If sensible ASCII string, print it as debug info! + */ + if (uip.inbuf[0] == DEBUG_LINE_MARKER) { + fwrite(uip.inbuf + 1, inbufptr - 1, 1, stderr); + } + else if (is_sensible_string(uip.inbuf, inbufptr)) { + fwrite(uip.inbuf, inbufptr, 1, stderr); + } + else { + fprintf(stderr, + "serial_to_tun: drop packet len=%d ecode=%d\n", + inbufptr, ecode); + } + + inbufptr = 0; + break; + } + + PROGRESS("s"); + + if (dhsock != -1) { + struct ip *ip = (void *)uip.inbuf; + + if (ip->ip_p == 17 && ip->ip_dst == 0xffffffff /* UDP and broadcast */ + && ip->uh_sport == ntohs(BOOTPC) && ip->uh_dport == ntohs(BOOTPS)) { + relay_dhcp_to_server(ip, inbufptr); + inbufptr = 0; + } + } + + if (write(outfd, uip.inbuf, inbufptr) != inbufptr) { + err(1, "serial_to_tun: write"); + } + + inbufptr = 0; + } + + break; + + case SLIP_ESC: + if (fread(&c, 1, 1, inslip) != 1) { + clearerr(inslip); + /* Put ESC back and give up! */ + ungetc(SLIP_ESC, inslip); + return; + } + + switch (c) { + case SLIP_ESC_END: + c = SLIP_END; + break; + + case SLIP_ESC_ESC: + c = SLIP_ESC; + break; + } + + /* FALLTHROUGH */ + default: + uip.inbuf[inbufptr++] = c; + break; + } + + goto read_more; +} + +unsigned char slip_buf[2000]; +int slip_end, slip_begin; + +void +slip_send(int fd, unsigned char c) +{ + if (slip_end >= sizeof(slip_buf)) { + err(1, "slip_send overflow"); + } + + slip_buf[slip_end] = c; + slip_end++; +} + +int +slip_empty() +{ + return slip_end == 0; +} + +void +slip_flushbuf(int fd) +{ + int n; + + if (slip_empty()) { + return; + } + + n = write(fd, slip_buf + slip_begin, (slip_end - slip_begin)); + + if (n == -1 && errno != EAGAIN) { + err(1, "slip_flushbuf write failed"); + } + else if (n == -1) { + PROGRESS("Q"); /* Outqueueis full! */ + } + else { + slip_begin += n; + + if (slip_begin == slip_end) { + slip_begin = slip_end = 0; + } + } +} + +void +write_to_serial(int outfd, void *inbuf, int len) +{ + u_int8_t *p = inbuf; + int i, ecode; + struct ip *iphdr = inbuf; + + /* + * Sanity checks. + */ + ecode = check_ip(inbuf, len); + + if (ecode < 0) { + fprintf(stderr, "tun_to_serial: drop packet %d\n", ecode); + return; + } + + if (iphdr->ip_id == 0 && iphdr->ip_off & IP_DF) { + uint16_t nid = htons(ip_id++); + iphdr->ip_id = nid; + nid = ~nid; /* negate */ + iphdr->ip_sum += nid; /* add */ + + if (iphdr->ip_sum < nid) { /* 1-complement overflow? */ + iphdr->ip_sum++; + } + + ecode = check_ip(inbuf, len); + + if (ecode < 0) { + fprintf(stderr, "tun_to_serial: drop packet %d\n", ecode); + return; + } + } + + /* It would be ``nice'' to send a SLIP_END here but it's not + * really necessary. + */ + /* slip_send(outfd, SLIP_END); */ + + for (i = 0; i < len; i++) { + switch (p[i]) { + case SLIP_END: + slip_send(outfd, SLIP_ESC); + slip_send(outfd, SLIP_ESC_END); + break; + + case SLIP_ESC: + slip_send(outfd, SLIP_ESC); + slip_send(outfd, SLIP_ESC_ESC); + break; + + default: + slip_send(outfd, p[i]); + break; + } + + } + + slip_send(outfd, SLIP_END); + PROGRESS("t"); +} + + +/* + * Read from tun, write to slip. + */ +void +tun_to_serial(int infd, int outfd) +{ + static union { + unsigned char inbuf[2000]; + struct ip iphdr; + } uip; + int size; + + if ((size = read(infd, uip.inbuf, 2000)) == -1) { + err(1, "tun_to_serial: read"); + } + + write_to_serial(outfd, uip.inbuf, size); +} + +#ifndef BAUDRATE +#define BAUDRATE B115200 +#endif +speed_t b_rate = BAUDRATE; + +void +stty_telos(int fd) +{ + struct termios tty; + speed_t speed = b_rate; + int i; + + if (tcflush(fd, TCIOFLUSH) == -1) { + err(1, "tcflush"); + } + + if (tcgetattr(fd, &tty) == -1) { + err(1, "tcgetattr"); + } + + cfmakeraw(&tty); + + /* Nonblocking read. */ + tty.c_cc[VTIME] = 0; + tty.c_cc[VMIN] = 0; + tty.c_cflag &= ~CRTSCTS; + tty.c_cflag &= ~HUPCL; + tty.c_cflag &= ~CLOCAL; + + cfsetispeed(&tty, speed); + cfsetospeed(&tty, speed); + + if (tcsetattr(fd, TCSAFLUSH, &tty) == -1) { + err(1, "tcsetattr"); + } + +#if 1 + /* Nonblocking read and write. */ + /* if (fcntl(fd, F_SETFL, O_NONBLOCK) == -1) err(1, "fcntl"); */ + + tty.c_cflag |= CLOCAL; + + if (tcsetattr(fd, TCSAFLUSH, &tty) == -1) { + err(1, "tcsetattr"); + } + + i = TIOCM_DTR; + + if (ioctl(fd, TIOCMBIS, &i) == -1) { + err(1, "ioctl"); + } + +#endif + + usleep(10 * 1000); /* Wait for hardware 10ms. */ + + /* Flush input and output buffers. */ + if (tcflush(fd, TCIOFLUSH) == -1) { + err(1, "tcflush"); + } +} + +int +devopen(const char *dev, int flags) +{ + char t[1024]; + strcpy(t, "/dev/"); + strcat(t, dev); + return open(t, flags); +} + +#ifdef linux +#include <linux/if.h> +#include <linux/if_tun.h> + +int +tun_alloc(char *dev) +{ + struct ifreq ifr; + int fd, err; + + if ((fd = open("/dev/net/tun", O_RDWR)) < 0) { + return -1; + } + + memset(&ifr, 0, sizeof(ifr)); + + /* Flags: IFF_TUN - TUN device (no Ethernet headers) + * IFF_TAP - TAP device + * + * IFF_NO_PI - Do not provide packet information + */ + ifr.ifr_flags = IFF_TUN | IFF_NO_PI; + + if (*dev != 0) { + strncpy(ifr.ifr_name, dev, IFNAMSIZ); + } + + if ((err = ioctl(fd, TUNSETIFF, (void *) &ifr)) < 0) { + close(fd); + return err; + } + + strcpy(dev, ifr.ifr_name); + return fd; +} +#else +int +tun_alloc(char *dev) +{ + return devopen(dev, O_RDWR); +} +#endif + +const char *ipaddr; +const char *netmask; + +void +cleanup(void) +{ + ssystem("ifconfig %s down", tundev); +#ifndef linux + ssystem("sysctl -w net.inet.ip.forwarding=0"); +#endif + /* ssystem("arp -d %s", ipaddr); */ + ssystem("netstat -nr" + " | awk '{ if ($2 == \"%s\") print \"route delete -net \"$1; }'" + " | sh", + tundev); +} + +void +sigcleanup(int signo) +{ + fprintf(stderr, "signal %d\n", signo); + exit(0); /* exit(0) will call cleanup() */ +} + +static int got_sigalarm; + +void +sigalarm(int signo) +{ + got_sigalarm = 1; + return; +} + +void +sigalarm_reset() +{ +#ifdef linux +#define TIMEOUT (997*1000) +#else +#define TIMEOUT (2451*1000) +#endif + ualarm(TIMEOUT, TIMEOUT); + got_sigalarm = 0; +} + +void +ifconf(const char *tundev, const char *ipaddr, const char *netmask) +{ + struct in_addr netname; + netname.s_addr = inet_addr(ipaddr) & inet_addr(netmask); + +#ifdef linux + ssystem("ifconfig %s inet `hostname` up", tundev); + + if (strcmp(ipaddr, "0.0.0.0") != 0) { + ssystem("route add -net %s netmask %s dev %s", + inet_ntoa(netname), netmask, tundev); + } + +#else + ssystem("ifconfig %s inet `hostname` %s up", tundev, ipaddr); + + if (strcmp(ipaddr, "0.0.0.0") != 0) { + ssystem("route add -net %s -netmask %s -interface %s", + inet_ntoa(netname), netmask, tundev); + } + + ssystem("sysctl -w net.inet.ip.forwarding=1"); +#endif /* !linux */ + + ssystem("ifconfig %s\n", tundev); +} + +int +main(int argc, char **argv) +{ + int c; + int tunfd, slipfd, maxfd; + int ret; + fd_set rset, wset; + FILE *inslip; + const char *siodev = NULL; + const char *dhcp_server = NULL; + u_int16_t myport = BOOTPS, dhport = BOOTPS; + int baudrate = -2; + + ip_id = getpid() * time(NULL); + + setvbuf(stdout, NULL, _IOLBF, 0); /* Line buffered output. */ + + while ((c = getopt(argc, argv, "B:D:hs:t:")) != -1) { + switch (c) { + case 'B': + baudrate = atoi(optarg); + break; + + case 'D': + dhcp_server = optarg; + break; + + case 's': + if (strncmp("/dev/", optarg, 5) == 0) { + siodev = optarg + 5; + } + else { + siodev = optarg; + } + + break; + + case 't': + if (strncmp("/dev/", optarg, 5) == 0) { + strcpy(tundev, optarg + 5); + } + else { + strcpy(tundev, optarg); + } + + break; + + case '?': + case 'h': + default: + err(1, "usage: tunslip [-B baudrate] [-s siodev] [-t tundev] [-D dhcp-server] ipaddress netmask [dhcp-server]"); + break; + } + } + + argc -= (optind - 1); + argv += (optind - 1); + + if (argc != 3 && argc != 4) { + err(1, "usage: tunslip [-s siodev] [-t tundev] [-D dhcp-server] ipaddress netmask [dhcp-server]"); + } + + ipaddr = argv[1]; + netmask = argv[2]; + circuit_addr = inet_addr(ipaddr); + netaddr = inet_addr(ipaddr) & inet_addr(netmask); + + switch (baudrate) { + case -2: + break; /* Use default. */ + + case 9600: + b_rate = B9600; + break; + + case 19200: + b_rate = B19200; + break; + + case 38400: + b_rate = B38400; + break; + + case 57600: + b_rate = B57600; + break; + + case 115200: + b_rate = B115200; + break; + + default: + err(1, "unknown baudrate %d", baudrate); + break; + } + + /* + * Set up DHCP relay agent socket and find the address of this relay + * agent. + */ + if (argc == 4) { + dhcp_server = argv[3]; + } + + if (dhcp_server != NULL) { + struct sockaddr_in myaddr; + socklen_t len; + in_addr_t a; + + if (strchr(dhcp_server, ':') != NULL) { + dhport = atoi(strchr(dhcp_server, ':') + 1); + myport = dhport + 1; + *strchr(dhcp_server, ':') = '\0'; + } + + a = inet_addr(dhcp_server); + + if (a == -1) { + err(1, "illegal dhcp-server address"); + } + +#ifndef linux + dhaddr.sin_len = sizeof(dhaddr); +#endif + dhaddr.sin_family = AF_INET; + dhaddr.sin_port = htons(dhport); + dhaddr.sin_addr.s_addr = a; + + dhsock = socket(AF_INET, SOCK_DGRAM, 0); + + if (dhsock < 0) { + err(1, "socket"); + } + + memset(&myaddr, 0x0, sizeof(myaddr)); +#ifndef linux + myaddr.sin_len = sizeof(myaddr); +#endif + myaddr.sin_family = AF_INET; + myaddr.sin_addr.s_addr = INADDR_ANY; + myaddr.sin_port = htons(myport); + + if (bind(dhsock, (struct sockaddr *)&myaddr, sizeof(myaddr)) < 0) { + err(1, "bind dhcp-relay"); + } + + if (connect(dhsock, (struct sockaddr *)&dhaddr, sizeof(dhaddr)) < 0) { + err(1, "connect to dhcp-server"); + } + + len = sizeof(myaddr); + + if (getsockname(dhsock, (struct sockaddr *)&myaddr, &len) < 0) { + err(1, "getsockname dhsock"); + } + + giaddr = myaddr.sin_addr.s_addr; + + /* + * Don't want connected socket. + */ + close(dhsock); + dhsock = socket(AF_INET, SOCK_DGRAM, 0); + + if (dhsock < 0) { + err(1, "socket"); + } + + myaddr.sin_family = AF_INET; + myaddr.sin_addr.s_addr = INADDR_ANY; + myaddr.sin_port = htons(myport); + + if (bind(dhsock, (struct sockaddr *)&myaddr, sizeof(myaddr)) < 0) { + err(1, "bind dhcp-relay"); + } + + fprintf(stderr, "DHCP server at %s:%d\n", dhcp_server, dhport); + } + + if (siodev != NULL) { + slipfd = devopen(siodev, O_RDWR | O_NONBLOCK); + + if (slipfd == -1) { + err(1, "can't open siodev ``/dev/%s''", siodev); + } + } + else { + static const char *siodevs[] = { + "ttyUSB0", "cuaU0", "ucom0" /* linux, fbsd6, fbsd5 */ + }; + int i; + + for (i = 0; i < 3; i++) { + siodev = siodevs[i]; + slipfd = devopen(siodev, O_RDWR | O_NONBLOCK); + + if (slipfd != -1) { + break; + } + } + + if (slipfd == -1) { + err(1, "can't open siodev"); + } + } + + fprintf(stderr, "slip started on ``/dev/%s''\n", siodev); + stty_telos(slipfd); + slip_send(slipfd, SLIP_END); + inslip = fdopen(slipfd, "r"); + + if (inslip == NULL) { + err(1, "main: fdopen"); + } + + tunfd = tun_alloc(tundev); + + if (tunfd == -1) { + err(1, "main: open"); + } + + fprintf(stderr, "opened device ``/dev/%s''\n", tundev); + + atexit(cleanup); + signal(SIGHUP, sigcleanup); + signal(SIGTERM, sigcleanup); + signal(SIGINT, sigcleanup); + signal(SIGALRM, sigalarm); + ifconf(tundev, ipaddr, netmask); + + while (1) { + maxfd = 0; + FD_ZERO(&rset); + FD_ZERO(&wset); + + if (got_sigalarm) { + /* Send "?IPA". */ + slip_send(slipfd, '?'); + slip_send(slipfd, 'I'); + slip_send(slipfd, 'P'); + slip_send(slipfd, 'A'); + slip_send(slipfd, SLIP_END); + got_sigalarm = 0; + } + + if (!slip_empty()) { /* Anything to flush? */ + FD_SET(slipfd, &wset); + } + + FD_SET(slipfd, &rset); /* Read from slip ASAP! */ + + if (slipfd > maxfd) { + maxfd = slipfd; + } + + /* We only have one packet at a time queued for slip output. */ + if (slip_empty()) { + FD_SET(tunfd, &rset); + + if (tunfd > maxfd) { + maxfd = tunfd; + } + + if (dhsock != -1) { + FD_SET(dhsock, &rset); + + if (dhsock > maxfd) { + maxfd = dhsock; + } + } + } + + ret = select(maxfd + 1, &rset, &wset, NULL, NULL); + + if (ret == -1 && errno != EINTR) { + err(1, "select"); + } + else if (ret > 0) { + if (FD_ISSET(slipfd, &rset)) { + serial_to_tun(inslip, tunfd); + } + + if (FD_ISSET(slipfd, &wset)) { + slip_flushbuf(slipfd); + sigalarm_reset(); + } + + if (slip_empty() && FD_ISSET(tunfd, &rset)) { + tun_to_serial(tunfd, slipfd); + slip_flushbuf(slipfd); + sigalarm_reset(); + } + + if (dhsock != -1 && slip_empty() && FD_ISSET(dhsock, &rset)) { + relay_dhcp_to_client(slipfd); + slip_flushbuf(slipfd); + } + } + } +} diff --git a/dist/tools/tunslip/tunslip6.c b/dist/tools/tunslip/tunslip6.c new file mode 100644 index 0000000000000000000000000000000000000000..4604d8b648451cf1943a327cc023c894e1098f12 --- /dev/null +++ b/dist/tools/tunslip/tunslip6.c @@ -0,0 +1,1275 @@ +/* + * Copyright (c) 2001, Adam Dunkels. + * Copyright (c) 2009, 2010 Joakim Eriksson, Niclas Finne, Dogan Yazar. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * This file is part of the uIP TCP/IP stack. + * + * + */ + +/* Below define allows importing saved output into Wireshark as "Raw IP" packet type */ +#define WIRESHARK_IMPORT_FORMAT 1 + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <time.h> +#include <sys/types.h> + +#include <unistd.h> +#include <errno.h> +#include <fcntl.h> +#include <signal.h> +#include <termios.h> +#include <sys/ioctl.h> + +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <netdb.h> + +#include <err.h> + +int verbose = 1; +const char *ipaddr; +const char *netmask; +int slipfd = 0; +uint16_t basedelay = 0, delaymsec = 0; +uint32_t startsec, startmsec, delaystartsec, delaystartmsec; +int timestamp = 0, flowcontrol = 0; + +int ssystem(const char *fmt, ...) __attribute__((__format__(__printf__, 1, 2))); +void write_to_serial(int outfd, void *inbuf, int len); + +void slip_send(int fd, unsigned char c); +void slip_send_char(int fd, unsigned char c); + +//#define PROGRESS(s) fprintf(stderr, s) +#define PROGRESS(s) do { } while (0) + +char tundev[1024] = { "" }; + +int +ssystem(const char *fmt, ...) __attribute__((__format__(__printf__, 1, 2))); + +int +ssystem(const char *fmt, ...) +{ + char cmd[128]; + va_list ap; + va_start(ap, fmt); + vsnprintf(cmd, sizeof(cmd), fmt, ap); + va_end(ap); + printf("%s\n", cmd); + fflush(stdout); + return system(cmd); +} + +#define SLIP_END 0300 +#define SLIP_ESC 0333 +#define SLIP_ESC_END 0334 +#define SLIP_ESC_ESC 0335 + + +/* get sockaddr, IPv4 or IPv6: */ +void * +get_in_addr(struct sockaddr *sa) +{ + if (sa->sa_family == AF_INET) { + return &(((struct sockaddr_in *)sa)->sin_addr); + } + + return &(((struct sockaddr_in6 *)sa)->sin6_addr); +} +void +stamptime(void) +{ + static long startsecs = 0, startmsecs = 0; + long secs, msecs; + struct timeval tv; + time_t t; + struct tm *tmp; + char timec[20]; + + gettimeofday(&tv, NULL) ; + msecs = tv.tv_usec / 1000; + secs = tv.tv_sec; + + if (startsecs) { + secs -= startsecs; + msecs -= startmsecs; + + if (msecs < 0) { + secs--; + msecs += 1000; + } + + fprintf(stderr, "%04lu.%03lu ", secs, msecs); + } + else { + startsecs = secs; + startmsecs = msecs; + t = time(NULL); + tmp = localtime(&t); + strftime(timec, sizeof(timec), "%T", tmp); + // fprintf(stderr,"\n%s.%03lu ",timec,msecs); + fprintf(stderr, "\n%s ", timec); + } +} + +int +is_sensible_string(const unsigned char *s, int len) +{ + int i; + + for (i = 1; i < len; i++) { + if (s[i] == 0 || s[i] == '\r' || s[i] == '\n' || s[i] == '\t') { + continue; + } + else if (s[i] < ' ' || '~' < s[i]) { + return 0; + } + } + + return 1; +} + +/* + * Read from serial, when we have a packet write it to tun. No output + * buffering, input buffered by stdio. + */ +void +serial_to_tun(FILE *inslip, int outfd) +{ + static union { + unsigned char inbuf[2000]; + } uip; + static int inbufptr = 0; + int ret, i; + unsigned char c; + +#ifdef linux + ret = fread(&c, 1, 1, inslip); + + if (ret == -1 || ret == 0) { + err(1, "serial_to_tun: read"); + } + + goto after_fread; +#endif + +read_more: + + if (inbufptr >= sizeof(uip.inbuf)) { + if (timestamp) { + stamptime(); + } + + fprintf(stderr, "*** dropping large %d byte packet\n", inbufptr); + inbufptr = 0; + } + + ret = fread(&c, 1, 1, inslip); +#ifdef linux +after_fread: +#endif + + if (ret == -1) { + err(1, "serial_to_tun: read"); + } + + if (ret == 0) { + clearerr(inslip); + return; + } + + /* fprintf(stderr, ".");*/ + switch (c) { + case SLIP_END: + if (inbufptr > 0) { + if (uip.inbuf[0] == '!') { + if (uip.inbuf[1] == 'M') { + /* Read gateway MAC address and autoconfigure tap0 interface */ + char macs[24]; + int i, pos; + + for (i = 0, pos = 0; i < 16; i++) { + macs[pos++] = uip.inbuf[2 + i]; + + if ((i & 1) == 1 && i < 14) { + macs[pos++] = ':'; + } + } + + if (timestamp) { + stamptime(); + } + + macs[pos] = '\0'; + // printf("*** Gateway's MAC address: %s\n", macs); + fprintf(stderr, "*** Gateway's MAC address: %s\n", macs); + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s down", tundev); + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s hw ether %s", tundev, &macs[6]); + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s up", tundev); + } + } + else if (uip.inbuf[0] == '?') { + if (uip.inbuf[1] == 'P') { + /* Prefix info requested */ + struct in6_addr addr; + int i; + char *s = strchr(ipaddr, '/'); + + if (s != NULL) { + *s = '\0'; + } + + inet_pton(AF_INET6, ipaddr, &addr); + + if (timestamp) { + stamptime(); + } + + fprintf(stderr, "*** Address:%s => %02x%02x:%02x%02x:%02x%02x:%02x%02x\n", + // printf("*** Address:%s => %02x%02x:%02x%02x:%02x%02x:%02x%02x\n", + ipaddr, + addr.s6_addr[0], addr.s6_addr[1], + addr.s6_addr[2], addr.s6_addr[3], + addr.s6_addr[4], addr.s6_addr[5], + addr.s6_addr[6], addr.s6_addr[7]); + slip_send(slipfd, '!'); + slip_send(slipfd, 'P'); + + for (i = 0; i < 8; i++) { + /* need to call the slip_send_char for stuffing */ + slip_send_char(slipfd, addr.s6_addr[i]); + } + + slip_send(slipfd, SLIP_END); + } + +#define DEBUG_LINE_MARKER '\r' + } + else if (uip.inbuf[0] == DEBUG_LINE_MARKER) { + fwrite(uip.inbuf + 1, inbufptr - 1, 1, stdout); + } + else if (is_sensible_string(uip.inbuf, inbufptr)) { + if (verbose == 1) { /* strings already echoed below for verbose>1 */ + if (timestamp) { + stamptime(); + } + + fwrite(uip.inbuf, inbufptr, 1, stdout); + } + } + else { + if (verbose > 2) { + if (timestamp) { + stamptime(); + } + + printf("Packet from SLIP of length %d - write TUN\n", inbufptr); + + if (verbose > 4) { +#if WIRESHARK_IMPORT_FORMAT + printf("0000"); + + for (i = 0; i < inbufptr; i++) { + printf(" %02x", uip.inbuf[i]); + } + +#else + printf(" "); + + for (i = 0; i < inbufptr; i++) { + printf("%02x", uip.inbuf[i]); + + if ((i & 3) == 3) { + printf(" "); + } + + if ((i & 15) == 15) { + printf("\n "); + } + } + +#endif + printf("\n"); + } + } + + if (write(outfd, uip.inbuf, inbufptr) != inbufptr) { + err(1, "serial_to_tun: write"); + } + } + + inbufptr = 0; + } + + break; + + case SLIP_ESC: + if (fread(&c, 1, 1, inslip) != 1) { + clearerr(inslip); + /* Put ESC back and give up! */ + ungetc(SLIP_ESC, inslip); + return; + } + + switch (c) { + case SLIP_ESC_END: + c = SLIP_END; + break; + + case SLIP_ESC_ESC: + c = SLIP_ESC; + break; + } + + /* FALLTHROUGH */ + default: + uip.inbuf[inbufptr++] = c; + + /* Echo lines as they are received for verbose=2,3,5+ */ + /* Echo all printable characters for verbose==4 */ + if ((verbose == 2) || (verbose == 3) || (verbose > 4)) { + if (c == '\n') { + if (is_sensible_string(uip.inbuf, inbufptr)) { + if (timestamp) { + stamptime(); + } + + fwrite(uip.inbuf, inbufptr, 1, stdout); + inbufptr = 0; + } + } + } + else if (verbose == 4) { + if (c == 0 || c == '\r' || c == '\n' || c == '\t' || (c >= ' ' && c <= '~')) { + fwrite(&c, 1, 1, stdout); + + if (c == '\n') if (timestamp) { + stamptime(); + } + } + } + + break; + } + + goto read_more; +} + +unsigned char slip_buf[2000]; +int slip_end, slip_begin; + +void +slip_send_char(int fd, unsigned char c) +{ + switch (c) { + case SLIP_END: + slip_send(fd, SLIP_ESC); + slip_send(fd, SLIP_ESC_END); + break; + + case SLIP_ESC: + slip_send(fd, SLIP_ESC); + slip_send(fd, SLIP_ESC_ESC); + break; + + default: + slip_send(fd, c); + break; + } +} + +void +slip_send(int fd, unsigned char c) +{ + if (slip_end >= sizeof(slip_buf)) { + err(1, "slip_send overflow"); + } + + slip_buf[slip_end] = c; + slip_end++; +} + +int +slip_empty() +{ + return slip_end == 0; +} + +void +slip_flushbuf(int fd) +{ + int n; + + if (slip_empty()) { + return; + } + + n = write(fd, slip_buf + slip_begin, (slip_end - slip_begin)); + + if (n == -1 && errno != EAGAIN) { + err(1, "slip_flushbuf write failed"); + } + else if (n == -1) { + PROGRESS("Q"); /* Outqueueis full! */ + } + else { + slip_begin += n; + + if (slip_begin == slip_end) { + slip_begin = slip_end = 0; + } + } +} + +void +write_to_serial(int outfd, void *inbuf, int len) +{ + u_int8_t *p = inbuf; + int i; + + if (verbose > 2) { + if (timestamp) { + stamptime(); + } + + printf("Packet from TUN of length %d - write SLIP\n", len); + + if (verbose > 4) { +#if WIRESHARK_IMPORT_FORMAT + printf("0000"); + + for (i = 0; i < len; i++) { + printf(" %02x", p[i]); + } + +#else + printf(" "); + + for (i = 0; i < len; i++) { + printf("%02x", p[i]); + + if ((i & 3) == 3) { + printf(" "); + } + + if ((i & 15) == 15) { + printf("\n "); + } + } + +#endif + printf("\n"); + } + } + + /* It would be ``nice'' to send a SLIP_END here but it's not + * really necessary. + */ + /* slip_send(outfd, SLIP_END); */ + + for (i = 0; i < len; i++) { + switch (p[i]) { + case SLIP_END: + slip_send(outfd, SLIP_ESC); + slip_send(outfd, SLIP_ESC_END); + break; + + case SLIP_ESC: + slip_send(outfd, SLIP_ESC); + slip_send(outfd, SLIP_ESC_ESC); + break; + + default: + slip_send(outfd, p[i]); + break; + } + } + + slip_send(outfd, SLIP_END); + PROGRESS("t"); +} + + +/* + * Read from tun, write to slip. + */ +int +tun_to_serial(int infd, int outfd) +{ + struct { + unsigned char inbuf[2000]; + } uip; + int size; + + if ((size = read(infd, uip.inbuf, 2000)) == -1) { + err(1, "tun_to_serial: read"); + } + + write_to_serial(outfd, uip.inbuf, size); + return size; +} + +#ifndef BAUDRATE +#define BAUDRATE B115200 +#endif +speed_t b_rate = BAUDRATE; + +void +stty_telos(int fd) +{ + struct termios tty; + speed_t speed = b_rate; + int i; + + if (tcflush(fd, TCIOFLUSH) == -1) { + err(1, "tcflush"); + } + + if (tcgetattr(fd, &tty) == -1) { + err(1, "tcgetattr"); + } + + cfmakeraw(&tty); + + /* Nonblocking read. */ + tty.c_cc[VTIME] = 0; + tty.c_cc[VMIN] = 0; + + if (flowcontrol) { + tty.c_cflag |= CRTSCTS; + } + else { + tty.c_cflag &= ~CRTSCTS; + } + + tty.c_cflag &= ~HUPCL; + tty.c_cflag &= ~CLOCAL; + + cfsetispeed(&tty, speed); + cfsetospeed(&tty, speed); + + if (tcsetattr(fd, TCSAFLUSH, &tty) == -1) { + err(1, "tcsetattr"); + } + +#if 1 + /* Nonblocking read and write. */ + /* if (fcntl(fd, F_SETFL, O_NONBLOCK) == -1) err(1, "fcntl"); */ + + tty.c_cflag |= CLOCAL; + + if (tcsetattr(fd, TCSAFLUSH, &tty) == -1) { + err(1, "tcsetattr"); + } + + i = TIOCM_DTR; + + if (ioctl(fd, TIOCMBIS, &i) == -1) { + err(1, "ioctl"); + } + +#endif + + usleep(10 * 1000); /* Wait for hardware 10ms. */ + + /* Flush input and output buffers. */ + if (tcflush(fd, TCIOFLUSH) == -1) { + err(1, "tcflush"); + } +} + +int +devopen(const char *dev, int flags) +{ + char t[1024]; + strcpy(t, "/dev/"); + strncat(t, dev, sizeof(t) - 5); + return open(t, flags); +} + +#ifdef linux +#include <linux/if.h> +#include <linux/if_tun.h> + +int +tun_alloc(char *dev, int tap) +{ + struct ifreq ifr; + int fd, err; + + if ((fd = open("/dev/net/tun", O_RDWR)) < 0) { + return -1; + } + + memset(&ifr, 0, sizeof(ifr)); + + /* Flags: IFF_TUN - TUN device (no Ethernet headers) + * IFF_TAP - TAP device + * + * IFF_NO_PI - Do not provide packet information + */ + ifr.ifr_flags = (tap ? IFF_TAP : IFF_TUN) | IFF_NO_PI; + + if (*dev != 0) { + strncpy(ifr.ifr_name, dev, IFNAMSIZ); + } + + if ((err = ioctl(fd, TUNSETIFF, (void *) &ifr)) < 0) { + close(fd); + return err; + } + + strcpy(dev, ifr.ifr_name); + return fd; +} +#else +int +tun_alloc(char *dev, int tap) +{ + return devopen(dev, O_RDWR); +} +#endif + +void +cleanup(void) +{ +#ifndef __APPLE__ + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s down", tundev); +#ifndef linux + ssystem("sysctl -w net.ipv6.conf.all.forwarding=1"); +#endif + + /* ssystem("arp -d %s", ipaddr); */ + if (timestamp) { + stamptime(); + } + + ssystem("netstat -nr" + " | awk '{ if ($2 == \"%s\") print \"route delete -net \"$1; }'" + " | sh", + tundev); +#else + { + char *itfaddr = strdup(ipaddr); + char *prefix = index(itfaddr, '/'); + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s inet6 %s remove", tundev, ipaddr); + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s down", tundev); + + if (prefix != NULL) { + *prefix = '\0'; + } + + ssystem("route delete -inet6 %s", itfaddr); + free(itfaddr); + } +#endif +} + +void +sigcleanup(int signo) +{ + fprintf(stderr, "signal %d\n", signo); + exit(0); /* exit(0) will call cleanup() */ +} + +static int got_sigalarm; + +void +sigalarm(int signo) +{ + got_sigalarm = 1; + return; +} + +void +sigalarm_reset() +{ +#ifdef linux +#define TIMEOUT (997*1000) +#else +#define TIMEOUT (2451*1000) +#endif + ualarm(TIMEOUT, TIMEOUT); + got_sigalarm = 0; +} + +void +ifconf(const char *tundev, const char *ipaddr) +{ +#ifdef linux + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s inet `hostname` up", tundev); + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s add %s", tundev, ipaddr); + + /* radvd needs a link local address for routing */ +#if 0 + /* fe80::1/64 is good enough */ + ssystem("ifconfig %s add fe80::1/64", tundev); +#elif 1 + /* Generate a link local address a la sixxs/aiccu */ + /* First a full parse, stripping off the prefix length */ + { + char lladdr[40]; + char c, *ptr = (char *)ipaddr; + uint16_t digit, ai, a[8], cc, scc, i; + + for (ai = 0; ai < 8; ai++) { + a[ai] = 0; + } + + ai = 0; + cc = scc = 0; + + while (c = *ptr++) { + if (c == '/') { + break; + } + + if (c == ':') { + if (cc) { + scc = ai; + } + + cc = 1; + + if (++ai > 7) { + break; + } + } + else { + cc = 0; + digit = c - '0'; + + if (digit > 9) { + digit = 10 + (c & 0xdf) - 'A'; + } + + a[ai] = (a[ai] << 4) + digit; + } + } + + /* Get # elided and shift what's after to the end */ + cc = 8 - ai; + + for (i = 0; i < cc; i++) { + if ((8 - i - cc) <= scc) { + a[7 - i] = 0; + } + else { + a[7 - i] = a[8 - i - cc]; + a[8 - i - cc] = 0; + } + } + + sprintf(lladdr, "fe80::%x:%x:%x:%x", a[1] & 0xfefd, a[2], a[3], a[7]); + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s add %s/64", tundev, lladdr); + } +#endif /* link local */ +#elif defined(__APPLE__) + { + char *itfaddr = strdup(ipaddr); + char *prefix = index(itfaddr, '/'); + + if (prefix != NULL) { + *prefix = '\0'; + prefix++; + } + else { + prefix = "64"; + } + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s inet6 up", tundev); + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s inet6 %s add", tundev, ipaddr); + + if (timestamp) { + stamptime(); + } + + ssystem("sysctl -w net.inet6.ip6.forwarding=1"); + free(itfaddr); + } +#else + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s inet `hostname` %s up", tundev, ipaddr); + + if (timestamp) { + stamptime(); + } + + ssystem("sysctl -w net.inet.ip.forwarding=1"); +#endif /* !linux */ + + if (timestamp) { + stamptime(); + } + + ssystem("ifconfig %s\n", tundev); +} + +int +main(int argc, char **argv) +{ + int c; + int tunfd, maxfd; + int ret; + fd_set rset, wset; + FILE *inslip; + const char *siodev = NULL; + const char *host = NULL; + const char *port = NULL; + const char *prog; + int baudrate = -2; + int tap = 0; + slipfd = 0; + + prog = argv[0]; + setvbuf(stdout, NULL, _IOLBF, 0); /* Line buffered output. */ + + while ((c = getopt(argc, argv, "B:HLhs:t:v::d::a:p:T")) != -1) { + switch (c) { + case 'B': + baudrate = atoi(optarg); + break; + + case 'H': + flowcontrol = 1; + break; + + case 'L': + timestamp = 1; + break; + + case 's': + if (strncmp("/dev/", optarg, 5) == 0) { + siodev = optarg + 5; + } + else { + siodev = optarg; + } + + break; + + case 't': + if (strncmp("/dev/", optarg, 5) == 0) { + strncpy(tundev, optarg + 5, sizeof(tundev)); + } + else { + strncpy(tundev, optarg, sizeof(tundev)); + } + + break; + + case 'a': + host = optarg; + break; + + case 'p': + port = optarg; + break; + + case 'd': + basedelay = 10; + + if (optarg) { + basedelay = atoi(optarg); + } + + break; + + case 'v': + verbose = 2; + + if (optarg) { + verbose = atoi(optarg); + } + + break; + + case 'T': + tap = 1; + break; + + case '?': + case 'h': + default: + fprintf(stderr, "usage: %s [options] ipaddress\n", prog); + fprintf(stderr, "example: tunslip6 -L -v2 -s ttyUSB1 aaaa::1/64\n"); + fprintf(stderr, "Options are:\n"); +#ifndef __APPLE__ + fprintf(stderr, " -B baudrate 9600,19200,38400,57600,115200 (default),230400,460800,921600\n"); +#else + fprintf(stderr, " -B baudrate 9600,19200,38400,57600,115200 (default),230400\n"); +#endif + fprintf(stderr, " -H Hardware CTS/RTS flow control (default disabled)\n"); + fprintf(stderr, " -L Log output format (adds time stamps)\n"); + fprintf(stderr, " -s siodev Serial device (default /dev/ttyUSB0)\n"); + fprintf(stderr, " -T Make tap interface (default is tun interface)\n"); + fprintf(stderr, " -t tundev Name of interface (default tap0 or tun0)\n"); + fprintf(stderr, " -v[level] Verbosity level\n"); + fprintf(stderr, " -v0 No messages\n"); + fprintf(stderr, " -v1 Encapsulated SLIP debug messages (default)\n"); + fprintf(stderr, " -v2 Printable strings after they are received\n"); + fprintf(stderr, " -v3 Printable strings and SLIP packet notifications\n"); + fprintf(stderr, " -v4 All printable characters as they are received\n"); + fprintf(stderr, " -v5 All SLIP packets in hex\n"); + fprintf(stderr, " -v Equivalent to -v3\n"); + fprintf(stderr, " -d[basedelay] Minimum delay between outgoing SLIP packets.\n"); + fprintf(stderr, " Actual delay is basedelay*(#6LowPAN fragments) milliseconds.\n"); + fprintf(stderr, " -d is equivalent to -d10.\n"); + fprintf(stderr, " -a serveraddr \n"); + fprintf(stderr, " -p serverport \n"); + exit(1); + break; + } + } + + argc -= (optind - 1); + argv += (optind - 1); + + if (argc != 2 && argc != 3) { + err(1, "usage: %s [-B baudrate] [-H] [-L] [-s siodev] [-t tundev] [-T] [-v verbosity] [-d delay] [-a serveraddress] [-p serverport] ipaddress", + prog); + } + + ipaddr = argv[1]; + + switch (baudrate) { + case -2: + break; /* Use default. */ + + case 9600: + b_rate = B9600; + break; + + case 19200: + b_rate = B19200; + break; + + case 38400: + b_rate = B38400; + break; + + case 57600: + b_rate = B57600; + break; + + case 115200: + b_rate = B115200; + break; + + case 230400: + b_rate = B230400; + break; +#ifndef __APPLE__ + + case 460800: + b_rate = B460800; + break; + + case 921600: + b_rate = B921600; + break; +#endif + + default: + err(1, "unknown baudrate %d", baudrate); + break; + } + + if (*tundev == '\0') { + /* Use default. */ + if (tap) { + strcpy(tundev, "tap0"); + } + else { + strcpy(tundev, "tun0"); + } + } + + if (host != NULL) { + struct addrinfo hints, *servinfo, *p; + int rv; + char s[INET6_ADDRSTRLEN]; + + if (port == NULL) { + port = "60001"; + } + + memset(&hints, 0, sizeof hints); + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + + if ((rv = getaddrinfo(host, port, &hints, &servinfo)) != 0) { + err(1, "getaddrinfo: %s", gai_strerror(rv)); + } + + /* loop through all the results and connect to the first we can */ + for (p = servinfo; p != NULL; p = p->ai_next) { + if ((slipfd = socket(p->ai_family, p->ai_socktype, + p->ai_protocol)) == -1) { + perror("client: socket"); + continue; + } + + if (connect(slipfd, p->ai_addr, p->ai_addrlen) == -1) { + close(slipfd); + perror("client: connect"); + continue; + } + + break; + } + + if (p == NULL) { + err(1, "can't connect to ``%s:%s''", host, port); + } + + fcntl(slipfd, F_SETFL, O_NONBLOCK); + + inet_ntop(p->ai_family, get_in_addr((struct sockaddr *)p->ai_addr), + s, sizeof(s)); + fprintf(stderr, "slip connected to ``%s:%s''\n", s, port); + + /* all done with this structure */ + freeaddrinfo(servinfo); + + } + else { + if (siodev != NULL) { + slipfd = devopen(siodev, O_RDWR | O_NONBLOCK); + + if (slipfd == -1) { + err(1, "can't open siodev ``/dev/%s''", siodev); + } + } + else { + static const char *siodevs[] = { + "ttyUSB0", "cuaU0", "ucom0" /* linux, fbsd6, fbsd5 */ + }; + int i; + + for (i = 0; i < 3; i++) { + siodev = siodevs[i]; + slipfd = devopen(siodev, O_RDWR | O_NONBLOCK); + + if (slipfd != -1) { + break; + } + } + + if (slipfd == -1) { + err(1, "can't open siodev"); + } + } + + if (timestamp) { + stamptime(); + } + + fprintf(stderr, "********SLIP started on ``/dev/%s''\n", siodev); + stty_telos(slipfd); + } + + slip_send(slipfd, SLIP_END); + inslip = fdopen(slipfd, "r"); + + if (inslip == NULL) { + err(1, "main: fdopen"); + } + + tunfd = tun_alloc(tundev, tap); + + if (tunfd == -1) { + err(1, "main: open"); + } + + if (timestamp) { + stamptime(); + } + + fprintf(stderr, "opened %s device ``/dev/%s''\n", + tap ? "tap" : "tun", tundev); + + atexit(cleanup); + signal(SIGHUP, sigcleanup); + signal(SIGTERM, sigcleanup); + signal(SIGINT, sigcleanup); + signal(SIGALRM, sigalarm); + ifconf(tundev, ipaddr); + + while (1) { + maxfd = 0; + FD_ZERO(&rset); + FD_ZERO(&wset); + + /* do not send IPA all the time... - add get MAC later... */ + /* if (got_sigalarm) { */ + /* /\* Send "?IPA". *\/ */ + /* slip_send(slipfd, '?'); */ + /* slip_send(slipfd, 'I'); */ + /* slip_send(slipfd, 'P'); */ + /* slip_send(slipfd, 'A'); */ + /* slip_send(slipfd, SLIP_END); */ + /* got_sigalarm = 0; */ + /* } */ + + if (!slip_empty()) { /* Anything to flush? */ + FD_SET(slipfd, &wset); + } + + FD_SET(slipfd, &rset); /* Read from slip ASAP! */ + + if (slipfd > maxfd) { + maxfd = slipfd; + } + + /* We only have one packet at a time queued for slip output. */ + if (slip_empty()) { + FD_SET(tunfd, &rset); + + if (tunfd > maxfd) { + maxfd = tunfd; + } + } + + ret = select(maxfd + 1, &rset, &wset, NULL, NULL); + + if (ret == -1 && errno != EINTR) { + err(1, "select"); + } + else if (ret > 0) { + if (FD_ISSET(slipfd, &rset)) { + serial_to_tun(inslip, tunfd); + } + + if (FD_ISSET(slipfd, &wset)) { + slip_flushbuf(slipfd); + sigalarm_reset(); + } + + /* Optional delay between outgoing packets */ + /* Base delay times number of 6lowpan fragments to be sent */ + if (delaymsec) { + struct timeval tv; + int dmsec; + gettimeofday(&tv, NULL) ; + dmsec = (tv.tv_sec - delaystartsec) * 1000 + tv.tv_usec / 1000 - delaystartmsec; + + if (dmsec < 0) { + delaymsec = 0; + } + + if (dmsec > delaymsec) { + delaymsec = 0; + } + } + + if (delaymsec == 0) { + int size; + + if (slip_empty() && FD_ISSET(tunfd, &rset)) { + size = tun_to_serial(tunfd, slipfd); + slip_flushbuf(slipfd); + sigalarm_reset(); + + if (basedelay) { + struct timeval tv; + gettimeofday(&tv, NULL) ; + // delaymsec=basedelay*(1+(size/120));//multiply by # of 6lowpan packets? + delaymsec = basedelay; + delaystartsec = tv.tv_sec; + delaystartmsec = tv.tv_usec / 1000; + } + } + } + } + } +} diff --git a/sys/Makefile b/sys/Makefile index 567fca59a130943e3b3037b22417240b63aa1f58..71fdea57aee6b6a025cecb862e65592a4a3a80d8 100644 --- a/sys/Makefile +++ b/sys/Makefile @@ -119,6 +119,9 @@ endif ifneq (,$(filter ng_sixlowpan_netif,$(USEMODULE))) DIRS += net/network_layer/ng_sixlowpan/netif endif +ifneq (,$(filter ng_slip,$(USEMODULE))) + DIRS += net/link_layer/ng_slip +endif ifneq (,$(filter netapi,$(USEMODULE))) DIRS += net/crosslayer/netapi endif diff --git a/sys/Makefile.include b/sys/Makefile.include index 0eb54fa292d0773b024e1837ee0d7965b43ac2dc..c491b9851fb7c9e3ae19ae8253fcad6426c99d90 100644 --- a/sys/Makefile.include +++ b/sys/Makefile.include @@ -82,6 +82,10 @@ ifneq (,$(filter cpp11-compat,$(USEMODULE))) USEMODULE_INCLUDES += $(RIOTBASE)/sys/cpp11-compat/include endif +ifneq (,$(filter ng_slip,$(USEMODULE))) + FEATURES_REQUIRED += periph_uart +endif + ifneq (,$(filter embunit,$(USEMODULE))) ifeq ($(OUTPUT),XML) CFLAGS += -DOUTPUT=OUTPUT_XML diff --git a/sys/auto_init/netif/auto_init_slip.c b/sys/auto_init/netif/auto_init_slip.c new file mode 100644 index 0000000000000000000000000000000000000000..b0251a1c1203483c2e17336f201273b8c2809d31 --- /dev/null +++ b/sys/auto_init/netif/auto_init_slip.c @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de> + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License v2.1. See the file LICENSE in the top level + * directory for more details. + * + */ + +/** + * @ingroup auto_init_ng_netif + * @{ + * + * @file + * @brief Auto initialization for XBee network interfaces + * + * @author Kaspar Schleiser <kaspar@schleiser.de> + */ + +#ifdef MODULE_NG_SLIP + +#include "board.h" +#include "net/ng_nomac.h" +#include "net/ng_netbase.h" + +#include "slip.h" +#include "slip_params.h" + +#define ENABLE_DEBUG (0) +#include "debug.h" + +#define SLIP_NUM (sizeof(ng_slip_params)/sizeof(ng_slip_params_t)) + +static ng_slip_dev_t slip_devs[SLIP_NUM]; + +/** + * @brief Define stack parameters for the MAC layer thread + * @{ + */ +#define SLIP_STACKSIZE (KERNEL_CONF_STACKSIZE_DEFAULT) +#define SLIP_PRIO (PRIORITY_MAIN - 3) + +/** + * @brief Stacks for the MAC layer threads + */ +static char _slip_stacks[SLIP_STACKSIZE][SLIP_NUM]; + +void auto_init_slip(void) +{ + for (int i = 0; i < SLIP_NUM; i++) { + const ng_slip_params_t *p = &ng_slip_params[i]; + DEBUG("Initializing SLIP radio at UART_%d\n", p->uart); + kernel_pid_t res = ng_slip_init(&slip_devs[i], p->uart, p->baudrate, + _slip_stacks[i], SLIP_STACKSIZE, + SLIP_PRIO); + + if (res <= KERNEL_PID_UNDEF) { + DEBUG("Error initializing XBee radio device!"); + } + } +} + +#endif /* MODULE_NG_SLIP */ +/** @} */ diff --git a/sys/include/net/ng_slip.h b/sys/include/net/ng_slip.h new file mode 100644 index 0000000000000000000000000000000000000000..497cc4803e641ec8dbc2d1f497c9fe7d12051ee0 --- /dev/null +++ b/sys/include/net/ng_slip.h @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de> + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License v2.1. See the file LICENSE in the top level + * directory for more details. + */ + +/** + * @defgroup net_ng_slip SLIP + * @ingroup net + * @brief Provides a SLIP interface over UART utilizing + * @ref driver_periph_uart. + * @see <a href="https://www.ietf.org/rfc/rfc1055">RFC 1055</a> + * @{ + * + * @file + * @brief SLIP interface defintion + * + * @author Martine Lenders <mlenders@inf.fu-berlin.de> + * @author Hauke Petersen <hauke.petersen@fu-berlin.de> + */ + +#ifndef NG_SLIP_H_ +#define NG_SLIP_H_ + +#include <inttypes.h> + +#include "net/ng_netbase.h" +#include "periph/uart.h" +#include "ringbuffer.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief UART buffer size used for TX and RX buffers + * + * Reduce this value if your expected traffic does not include full IPv6 MTU + * sized packets + */ +#ifndef NG_SLIP_BUFSIZE +#define NG_SLIP_BUFSIZE (1500U) +#endif + +/** + * @brief Device descriptor for SLIP devices + */ +typedef struct { + uart_t uart; /**< the UART interface */ + ringbuffer_t *in_buf; /**< RX buffer */ + ringbuffer_t *out_buf; /**< TX buffer */ + char rx_mem[NG_SLIP_BUFSIZE]; /**< memory used by RX buffer */ + char tx_mem[NG_SLIP_BUFSIZE]; /**< memory used by TX buffer */ + uint32_t in_bytes; /**< the number of bytes received of a + * currently incoming packet */ + uint16_t in_esc; /**< receiver is in escape mode */ + kernel_pid_t slip_pid; /**< PID of the device thread */ +} ng_slip_dev_t; + +/** + * @brief auto_init struct holding SLIP initalization params + */ +typedef struct xbee_params { + uart_t uart; /**< UART interfaced the device is connected to */ + uint32_t baudrate; /**< baudrate to use */ +} xbee_params_t; + +/** + * @brief Initializes a new @ref net_ng_slip control thread for UART device + * @p uart + * + * @param[in] dev un-initialized SLIP device descriptor + * @param[in] uart UART device to use + * @param[in] baudrate baudrate to use + * @param[in] stack stack memory to use for the SLIP devices thread + * @param[in] stack_size size of @p stack + * @param[in] priority priority for the newly created thread + * + * @return PID of SLIP thread on success + * @return -EFAULT, if slip thread could not be created + * @return -ENODEV, if ng_slip_dev_t::uart of @p dev was no valid UART + */ +kernel_pid_t ng_slip_init(ng_slip_dev_t *dev, uart_t uart, uint32_t baudrate, + char *stack, size_t stack_size, char priority); + +#ifdef __cplusplus +} +#endif + +#endif /* __SLIP_H_ */ +/** @} */ diff --git a/sys/net/link_layer/ng_slip/Makefile b/sys/net/link_layer/ng_slip/Makefile new file mode 100644 index 0000000000000000000000000000000000000000..48422e909a47d7cd428d10fa73825060ccc8d8c2 --- /dev/null +++ b/sys/net/link_layer/ng_slip/Makefile @@ -0,0 +1 @@ +include $(RIOTBASE)/Makefile.base diff --git a/sys/net/link_layer/ng_slip/ng_slip.c b/sys/net/link_layer/ng_slip/ng_slip.c new file mode 100644 index 0000000000000000000000000000000000000000..61f95ef0be1d4d2842cf3d8dd5b5131227716e40 --- /dev/null +++ b/sys/net/link_layer/ng_slip/ng_slip.c @@ -0,0 +1,284 @@ +/* + * Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de> + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License v2.1. See the file LICENSE in the top level + * directory for more details. + */ + +/** + * @ingroup net_ng_slip + * @{ + * + * @file + * @brief SLIP device implementation + * + * @author Martine Lenders <mlenders@inf.fu-berlin.de> + * @author Hauke Petersen <hauke.petersen@fu-berlin.de> + * + * @} + */ + +#include <stdbool.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> + +#include "kernel.h" +#include "kernel_types.h" +#include "msg.h" +#include "net/ng_netbase.h" +#include "periph/uart.h" +#include "ringbuffer.h" +#include "thread.h" +#include "net/ng_ipv6/hdr.h" + +#include "net/ng_slip.h" + +#define ENABLE_DEBUG (0) +#include "debug.h" + +#define _SLIP_END ('\xc0') +#define _SLIP_ESC ('\xdb') +#define _SLIP_END_ESC ('\xdc') +#define _SLIP_ESC_ESC ('\xdd') + +#define _SLIP_MSG_TYPE (0xc1dc) /* chosen randomly */ +#define _SLIP_NAME "SLIP" +#define _SLIP_MSG_QUEUE_SIZE (8U) + +#define _SLIP_DEV(arg) ((ng_slip_dev_t *)arg) + +/* UART callbacks */ +static void _slip_rx_cb(void *arg, char data) +{ + if (data == _SLIP_END) { + msg_t msg; + + msg.type = _SLIP_MSG_TYPE; + msg.content.value = _SLIP_DEV(arg)->in_bytes; + + msg_send_int(&msg, _SLIP_DEV(arg)->slip_pid); + + _SLIP_DEV(arg)->in_bytes = 0; + } + + if (_SLIP_DEV(arg)->in_esc) { + _SLIP_DEV(arg)->in_esc = 0; + + switch (data) { + case (_SLIP_END_ESC): + if (ringbuffer_add_one(_SLIP_DEV(arg)->in_buf, _SLIP_END) < 0) { + _SLIP_DEV(arg)->in_bytes++; + } + + break; + + case (_SLIP_ESC_ESC): + if (ringbuffer_add_one(_SLIP_DEV(arg)->in_buf, _SLIP_ESC) < 0) { + _SLIP_DEV(arg)->in_bytes++; + } + + break; + + default: + break; + } + } + else if (data == _SLIP_ESC) { + _SLIP_DEV(arg)->in_esc = 1; + } + else { + if (ringbuffer_add_one(_SLIP_DEV(arg)->in_buf, data) < 0) { + _SLIP_DEV(arg)->in_bytes++; + } + } +} + +int _slip_tx_cb(void *arg) +{ + if (_SLIP_DEV(arg)->out_buf->avail > 0) { + char c = (char)ringbuffer_get_one(_SLIP_DEV(arg)->out_buf); + uart_write((uart_t)(_SLIP_DEV(arg)->uart), c); + return 1; + } + + return 0; +} + +/* SLIP receive handler */ +static void _slip_receive(ng_slip_dev_t *dev, size_t bytes) +{ + ng_netif_hdr_t *hdr; + ng_netreg_entry_t *sendto; + ng_pktsnip_t *pkt, *netif_hdr; + + pkt = ng_pktbuf_add(NULL, NULL, bytes, NG_NETTYPE_UNDEF); + + if (pkt == NULL) { + DEBUG("slip: no space left in packet buffer\n"); + return; + } + + netif_hdr = ng_pktbuf_add(pkt, NULL, sizeof(ng_netif_hdr_t), + NG_NETTYPE_NETIF); + + if (netif_hdr == NULL) { + DEBUG("slip: no space left in packet buffer\n"); + ng_pktbuf_release(pkt); + return; + } + + hdr = netif_hdr->data; + ng_netif_hdr_init(hdr, 0, 0); + hdr->if_pid = thread_getpid(); + + if (ringbuffer_get(dev->in_buf, pkt->data, bytes) != bytes) { + DEBUG("slip: could not read %zu bytes from ringbuffer\n", bytes); + ng_pktbuf_release(pkt); + return; + } + +#ifdef MODULE_NG_IPV6 + if ((pkt->size >= sizeof(ng_ipv6_hdr_t)) && ng_ipv6_hdr_is_ipv6_hdr(pkt->data)) { + pkt->type = NG_NETTYPE_IPV6; + } +#endif + + sendto = ng_netreg_lookup(pkt->type, NG_NETREG_DEMUX_CTX_ALL); + + if (sendto == NULL) { + DEBUG("slip: unable to forward packet of type %i\n", pkt->type); + ng_pktbuf_release(pkt); + } + + ng_pktbuf_hold(pkt, ng_netreg_num(pkt->type, NG_NETREG_DEMUX_CTX_ALL) - 1); + + while (sendto != NULL) { + DEBUG("slip: sending pkt %p to PID %u\n", pkt, sendto->pid); + ng_netapi_receive(sendto->pid, pkt); + sendto = ng_netreg_getnext(sendto); + } +} + +static inline void _slip_send_char(ng_slip_dev_t *dev, char c) +{ + ringbuffer_add_one(dev->out_buf, c); + uart_tx_begin(dev->uart); +} + +/* SLIP send handler */ +static void _slip_send(ng_slip_dev_t *dev, ng_pktsnip_t *pkt) +{ + ng_pktsnip_t *ptr; + + ptr = pkt->next; /* ignore ng_netif_hdr_t, we don't need it */ + + while (ptr != NULL) { + DEBUG("slip: send pktsnip of length %zu over UART_%d\n", ptr->size, uart); + char *data = ptr->data; + + for (size_t i = 0; i < ptr->size; i++) { + switch (data[i]) { + case _SLIP_END: + DEBUG("slip: encountered END byte on send: stuff with ESC\n"); + _slip_send_char(dev, _SLIP_ESC); + _slip_send_char(dev, _SLIP_END_ESC); + break; + + case _SLIP_ESC: + DEBUG("slip: encountered ESC byte on send: stuff with ESC\n"); + _slip_send_char(dev, _SLIP_ESC); + _slip_send_char(dev, _SLIP_ESC_ESC); + break; + + default: + _slip_send_char(dev, data[i]); + + break; + } + } + + ptr = ptr->next; + } + + _slip_send_char(dev, _SLIP_END); + + ng_pktbuf_release(pkt); +} + +static void *_slip(void *args) +{ + ng_slip_dev_t *dev = _SLIP_DEV(args); + msg_t msg, reply, msg_q[_SLIP_MSG_QUEUE_SIZE]; + + msg_init_queue(msg_q, _SLIP_MSG_QUEUE_SIZE); + dev->slip_pid = thread_getpid(); + ng_netif_add(dev->slip_pid); + + DEBUG("slip: SLIP runs on UART_%d\n", uart); + + while (1) { + DEBUG("slip: waiting for incoming messages\n"); + msg_receive(&msg); + + switch (msg.type) { + case _SLIP_MSG_TYPE: + DEBUG("slip: incoming message from UART in buffer\n"); + _slip_receive(dev, (size_t)msg.content.value); + break; + + case NG_NETAPI_MSG_TYPE_SND: + DEBUG("slip: NG_NETAPI_MSG_TYPE_SND received\n"); + _slip_send(dev, (ng_pktsnip_t *)msg.content.ptr); + break; + + case NG_NETAPI_MSG_TYPE_GET: + case NG_NETAPI_MSG_TYPE_SET: + DEBUG("slip: NG_NETAPI_MSG_TYPE_GET or NG_NETAPI_MSG_TYPE_SET received\n"); + reply.type = NG_NETAPI_MSG_TYPE_ACK; + reply.content.value = (uint32_t)(-ENOTSUP); + DEBUG("slip: I don't support these but have to reply.\n"); + msg_reply(&msg, &reply); + break; + } + } + + /* should be never reached */ + return NULL; +} + +kernel_pid_t ng_slip_init(ng_slip_dev_t *dev, uart_t uart, uint32_t baudrate, + char *stack, size_t stack_size, char priority) +{ + int res; + kernel_pid_t pid; + + /* reset device descriptor fields */ + dev->in_bytes = 0; + dev->in_esc = 0; + dev->slip_pid = KERNEL_PID_UNDEF; + + /* initialize buffers */ + ringbuffer_init(dev->in_buf, dev->rx_mem, sizeof(dev->rx_mem)); + ringbuffer_init(dev->out_buf, dev->tx_mem, sizeof(dev->tx_mem)); + + /* initialize UART */ + DEBUG("slip: initialize UART_%d\n", uart); + res = uart_init(uart, baudrate, _slip_rx_cb, _slip_tx_cb, dev); + if (res < 0) { + DEBUG("slip: error initializing UART_%i with baudrate %u\n", + uart, baudrate); + return -ENODEV; + } + + /* start SLIP thread */ + DEBUG("slip: starting SLIP thread\n"); + pid = thread_create(stack, stack_size, priority, CREATE_STACKTEST, + _slip, dev, _SLIP_NAME); + if (pid < 0) { + DEBUG("slip: unable to create SLIP thread\n"); + return -EFAULT; + } + return res; +} diff --git a/tests/slip/Makefile b/tests/slip/Makefile new file mode 100644 index 0000000000000000000000000000000000000000..d86efb34df645bec797d9819d024e7ff024e6328 --- /dev/null +++ b/tests/slip/Makefile @@ -0,0 +1,25 @@ +APPLICATION = driver_slip +include ../Makefile.tests_common + +BOARD_INSUFFICIENT_RAM := stm32f0discovery + +USEMODULE += ng_netbase +USEMODULE += ng_pktdump +USEMODULE += ng_slip +USEMODULE += shell +USEMODULE += shell_commands + +ifneq (,$(SLIP_UART)) + CFLAGS += -DSLIP_UART=$(SLIP_UART) +else + # set default + CFLAGS += -DSLIP_UART=UART_0 +endif +ifneq (,$(SLIP_BAUDRATE)) + CFLAGS += -DSLIP_BAUDRATE=$(SLIP_BAUDRATE) +else + # set default + CFLAGS += -DSLIP_BAUDRATE=115200 +endif + +include $(RIOTBASE)/Makefile.include diff --git a/tests/slip/main.c b/tests/slip/main.c new file mode 100644 index 0000000000000000000000000000000000000000..38a53638285fbc71c73e1dda27e19f1236ebd3d1 --- /dev/null +++ b/tests/slip/main.c @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de> + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License v2.1. See the file LICENSE in the top level + * directory for more details. + */ + +/** + * @ingroup tests + * @{ + * + * @file + * @brief Test application for ng_tapnet network device driver + * + * @author Martine Lenders <mlenders@inf.fu-berlin.de> + * + * @} + */ + +#include <stdio.h> + +#include "shell.h" +#include "shell_commands.h" +#include "net/ng_netbase.h" +#include "net/ng_pktdump.h" + +/** + * @brief Buffer size used by the shell + */ +#define SHELL_BUFSIZE (64U) + +/** + * @brief Read chars from STDIO + */ +int shell_read(void) +{ + return (int)getchar(); +} + +/** + * @brief Write chars to STDIO + */ +void shell_put(int c) +{ + putchar((char)c); +} + +/** + * @brief Maybe you are a golfer?! + */ +int main(void) +{ + shell_t shell; + ng_netreg_entry_t dump; + + puts("SLIP test"); + + /* initialize and register pktdump */ + dump.pid = ng_pktdump_getpid(); + dump.demux_ctx = NG_NETREG_DEMUX_CTX_ALL; + + if (dump.pid <= KERNEL_PID_UNDEF) { + puts("Error starting pktdump thread"); + return -1; + } + + ng_netreg_register(NG_NETTYPE_UNDEF, &dump); + + /* start the shell */ + puts("Initialization OK, starting shell now"); + shell_init(&shell, NULL, SHELL_BUFSIZE, shell_read, shell_put); + shell_run(&shell); + + return 0; +} diff --git a/tests/slip/slip_params.h b/tests/slip/slip_params.h new file mode 100644 index 0000000000000000000000000000000000000000..618e5d4e27ee4af67e2983604bb82cdd6e60acca --- /dev/null +++ b/tests/slip/slip_params.h @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de> + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License v2.1. See the file LICENSE in the top level + * directory for more details. + */ + +/** + * @ingroup tests + * @{ + * + * @file + * @brief slip parameters example, used by auto_init_ng_netif + * + * @author Martine Lenders <mlenders@inf.fu-berlin.de> + */ + +#ifndef SLIP_PARAMS_H +#define SLIP_PARAMS_H + +#ifdef __cplusplus +extern "C" { +#endif + +static xbee_params_t xbee_params[] = { + { + .uart = SLIP_UART, + .baudrate = SLIP_BAUDRATE, + }, +}; + +#ifdef __cplusplus +} +#endif +#endif /* SLIP_PARAMS_H */ +/** @} */