Changes between Version 13 and Version 14 of GENIEducation/SampleAssignments/TcpAssignment/ExerciseLayout/KernelModv2


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Timestamp:
12/10/13 16:06:01 (6 years ago)
Author:
sedwards@bbn.com
Comment:

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  • GENIEducation/SampleAssignments/TcpAssignment/ExerciseLayout/KernelModv2

    v13 v14  
    3030}}}
    3131
    32 ..
    33 More details to handle version issues are provided at [http://tldp.org/LDP/lkmpg/2.6/html/x380.html Building modules for a precompiled kernel]. [[BR]]
    34 
    35 A Makefile for compiling the module and the source for a stub TCP congestion control module are included in [http://www.gpolab.bbn.com/experiment-support/TCPExampleExperiment/Makefile Makefile]. [[BR]]
    36 The module is named tcp exp (for experimental TCP), and the congestion control algorithm is named exp. Comments in the provided source file explain the relationship between the various functions, and more information can be found in [http://lwn.net/Articles/128681/ Pluggable congestion avoidance modules]. [[BR]]
    37 The compiled module (which is built with make and called `tcp_exp.ko`) can be inserted into the kernel using `insmod`. It can be removed using the command `rmmod tcp_exp` and reloaded with `insmod` if changes are required. [[BR]]
    38 Once the module is complete and loaded into the kernel, the algorithm implemented by the module can be selected in the same manner that reno and cubic were selected in previous exercises, by placing the keyword exp in `/proc/sys/net/ipv4/tcp_congestion_control`.
     32'''Notes'''
     33 * More details to handle version issues are provided at [http://tldp.org/LDP/lkmpg/2.6/html/x380.html Building modules for a precompiled kernel].
     34 * A Makefile for compiling the module and the source for a stub TCP congestion control module are included in [http://www.gpolab.bbn.com/experiment-support/TCPExampleExperiment/Makefile Makefile].
     35 * The module is named tcp exp (for experimental TCP), and the congestion control algorithm is named exp. Comments in the provided source file explain the relationship between the various functions, and more information can be found in [http://lwn.net/Articles/128681/ Pluggable congestion avoidance modules].
     36 * The compiled module (which is built with make and called `tcp_exp.ko`) can be inserted into the kernel using `insmod`. It can be removed using the command `rmmod tcp_exp` and reloaded with `insmod` if changes are required.
     37 * Once the module is complete and loaded into the kernel, the algorithm implemented by the module can be selected in the same manner that reno and cubic were selected in previous exercises, by placing the keyword exp in `/proc/sys/net/ipv4/tcp_congestion_control`.
    3938 
    4039'''3.5.1 Algorithm Requirements''' [[BR]]