Updated README files for exercises (#82)
* Adding initial implementation of basic_encap example * Updated basic_encap example to count the number of valid packets * Updated basic_encap example to put encapsulation layer after Ethernet header. * Added solution file for basic_encap example * Changed the name of the basic_encap example to basic_tunnel and called the new header myTunnel. Also changed the myTunnel field names slightly. * Updated the README file for the basic_tunnel exercise. Also added topo.pdf image to serve as a reference during implementation. * Updated basic/README.md to point to basic_tunnel as the next exercise. * Updated the README for basic to point to basic_tunnel. Updated the starter code for basic_tunnel to look like basic solution with todo comments. Updated send.py and receive.py to be able to send both plain IP packets and tunneled IP packets. Updated basic_tunnel.p4 to have same control flow as p4runtime exercise. * Updated the basic and basic_tunnel README files to remove references to the old run.sh script. Updated TODO list in basic_tunnel README * Updated README files to indicate logs are in /tmp
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@@ -117,13 +117,13 @@ report the error emitted from the compiler and stop.
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2. `load_balance.p4` compiles but does not support the control plane
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rules in the `sX-commands.txt` files that `make` tries to install
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using the BMv2 CLI. In this case, `make` will report these errors
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to `stderr`. Use these error messages to fix your `load_balance.p4`
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using the BMv2 CLI. In this case, `make` will log the CLI tool output
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in the `logs` directory. Use these error messages to fix your `load_balance.p4`
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implementation.
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3. `load_balance.p4` compiles, and the control plane rules are
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installed, but the switch does not process packets in the desired way.
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The `build/logs/<switch-name>.log` files contain trace messages
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The `/tmp/p4s.<switch-name>.log` files contain trace messages
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describing how each switch processes each packet. The output is
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detailed and can help pinpoint logic errors in your implementation.
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