Updates the examples to use the new build scripts (except Hula). (#74)
* Added Makefile and topology.jsons for all examples. * use branch * Updated MRI exercise (#73) * Updated MRI exercise * Updated basic_tunnel.p4 for changes to p4 lang * updated other examples
This commit is contained in:
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P4D2_2017_Fall/exercises/mri/Makefile
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P4D2_2017_Fall/exercises/mri/Makefile
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@@ -0,0 +1 @@
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include ../../utils/Makefile
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@@ -31,7 +31,7 @@ switch in Mininet to test its behavior.
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1. In your shell, run:
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```bash
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./run.sh
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make
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```
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This will:
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* compile `mri.p4`, and
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@@ -46,7 +46,7 @@ switch in Mininet to test its behavior.
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2. We want to send a low rate traffic from `h1` to `h2` and a high
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rate iperf traffic from `h11` to `h22`. The link between `s1` and
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`s2` is common between the flows and is a bottleneck because we
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reduced its bandwidth to 512kbps in p4app.json. Therefore, if we
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reduced its bandwidth to 512kbps in topology.json. Therefore, if we
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capture packets at `h2`, we should see high queue size for that
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link.
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@@ -90,7 +90,7 @@ with parameters supplied by the control plane as part of the rule.
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In this exercise, the control plane logic has already been
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implemented. As part of bringing up the Mininet instance, the
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`run.sh` script will install packet-processing rules in the tables of
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`make` script will install packet-processing rules in the tables of
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each switch. These are defined in the `sX-commands.txt` files, where
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`X` corresponds to the switch number.
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@@ -204,11 +204,11 @@ got a packet
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There are several ways that problems might manifest:
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1. `mri.p4` fails to compile. In this case, `run.sh` will report the
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1. `mri.p4` fails to compile. In this case, `make` will report the
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error emitted from the compiler and stop.
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2. `mri.p4` compiles but does not support the control plane rules in
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the `sX-commands.txt` files that `run.sh` tries to install using the BMv2 CLI.
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In this case, `run.sh` will report these errors to `stderr`. Use these error
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the `sX-commands.txt` files that `make` tries to install using the BMv2 CLI.
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In this case, `make` will report these errors to `stderr`. Use these error
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messages to fix your `mri.p4` implementation.
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3. `mri.p4` compiles, and the control plane rules are installed, but
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the switch does not process packets in the desired way. The
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@@ -220,16 +220,16 @@ packets on each interface. Use `tcpdump -r <filename> -xxx` to print
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the hexdump of the packets.
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4. `mri.p4` compiles and all rules are installed. Packets go through
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and the logs show that the queue length is always 0. Then either
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reduce the link bandwidth in `p4app.json`.
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reduce the link bandwidth in `topology.json`.
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#### Cleaning up Mininet
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In the latter two cases above, `run.sh` may leave a Mininet instance
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In the latter two cases above, `make` may leave a Mininet instance
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running in the background. Use the following command to clean up
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these instances:
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```bash
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mn -c
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make stop
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```
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## Next Steps
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@@ -1,37 +0,0 @@
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{
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"program": "mri.p4",
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"language": "p4-16",
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"targets": {
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"multiswitch": {
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"auto-control-plane": true,
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"cli": true,
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"pcap_dump": true,
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"bmv2_log": true,
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"links": [["h1", "s1"], ["h11", "s1"], ["s1", "s2", "0", 0.5], ["s1", "s3"], ["s3", "s2"], ["s2", "h2"], ["s2", "h22"], ["s3", "h3"]],
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"hosts": {
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"h1": {
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},
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"h2": {
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},
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"h3": {
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},
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"h11": {
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},
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"h22": {
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}
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},
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"switches": {
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"s1": {
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"entries": "s1-commands.txt"
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},
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"s2": {
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"entries": "s2-commands.txt"
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},
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"s3": {
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"entries": "s3-commands.txt"
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}
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}
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}
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}
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}
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@@ -1,5 +0,0 @@
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P4APPRUNNER=../../utils/p4apprunner.py
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mkdir -p build
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tar -czf build/p4app.tgz * --exclude='build'
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#cd build
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sudo python $P4APPRUNNER p4app.tgz --build-dir ./build
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@@ -1,6 +1,6 @@
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table_set_default ipv4_lpm drop
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table_set_default swtrace add_swtrace 1
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table_add ipv4_lpm ipv4_forward 10.0.1.1/32 => 00:00:00:00:01:01 1
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table_add ipv4_lpm ipv4_forward 10.0.1.11/32 => 00:00:00:00:01:0b 2
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table_add ipv4_lpm ipv4_forward 10.0.1.1/32 => 00:00:00:00:01:01 2
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table_add ipv4_lpm ipv4_forward 10.0.1.11/32 => 00:00:00:00:01:0b 1
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table_add ipv4_lpm ipv4_forward 10.0.2.0/24 => 00:00:00:02:03:00 3
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table_add ipv4_lpm ipv4_forward 10.0.3.0/24 => 00:00:00:03:02:00 4
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@@ -1,6 +1,6 @@
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table_set_default ipv4_lpm drop
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table_set_default swtrace add_swtrace 2
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table_add ipv4_lpm ipv4_forward 10.0.2.2/32 => 00:00:00:00:02:02 1
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table_add ipv4_lpm ipv4_forward 10.0.2.22/32 => 00:00:00:00:02:16 2
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table_add ipv4_lpm ipv4_forward 10.0.2.2/32 => 00:00:00:00:02:02 2
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table_add ipv4_lpm ipv4_forward 10.0.2.22/32 => 00:00:00:00:02:16 1
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table_add ipv4_lpm ipv4_forward 10.0.1.0/24 => 00:00:00:01:03:00 3
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table_add ipv4_lpm ipv4_forward 10.0.3.0/24 => 00:00:00:03:03:00 4
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18
P4D2_2017_Fall/exercises/mri/topology.json
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P4D2_2017_Fall/exercises/mri/topology.json
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@@ -0,0 +1,18 @@
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{
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"hosts": [
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"h1",
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"h2",
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"h3",
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"h11",
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"h22"
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],
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"switches": {
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"s1": { "cli_input" : "s1-commands.txt" },
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"s2": { "cli_input" : "s2-commands.txt" },
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"s3": { "cli_input" : "s3-commands.txt" }
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},
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"links": [
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["h1", "s1"], ["h11", "s1"], ["s1", "s2", "0", 0.5], ["s1", "s3"],
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["s3", "s2"], ["s2", "h2"], ["s2", "h22"], ["s3", "h3"]
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]
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}
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