++ notes
This commit is contained in:
Nico Schottelius
parent
f27f6c5c85
commit
42af5cd2d8
1 changed files with 319 additions and 4 deletions
323
doc/plan.org
323
doc/plan.org
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@ -300,18 +300,26 @@
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| | Needs timeout / leases | |
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| | Might work w/ registers | |
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| 2019-XX-XX | | |
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| | Prepare Laurent meeting | |
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| 2019-06-16 | | |
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| | Laurent meeting | |
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| | | |
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| | - Vivado installation: silent errors, infinite loop, missing libncurses5 | |
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| | | |
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| | - Compiling netfpga: 82k lines of code that are interdependent | |
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| | - Many non critical error messages on the way | |
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| | - Zero exit fatal errors | |
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| | | |
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| | - Code is not persistent in flash -> not there after power down | |
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| | | |
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| | - Not Receiving | |
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| | - tcpdump on local nfX doesn't work -> can only debug on other endpoint | |
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| | | |
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| | - Writing tables fails | |
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| | | |
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| | - Output all ports -> unclear how test data should look like | |
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| | - Found out broad/multicasting in theory -> bitmask | |
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| | - Theory: code is not persistent in flash (???) -> not there after power | |
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| | down | |
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| | | |
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| | - HW test compiling for 2 days | |
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| 2018-06-27 | | |
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| | Target Hardware: code running | |
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@ -4181,6 +4189,313 @@ exit
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-> mismatch when using expPkt on all ports
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-> trying to use bcast fails due to programming errors
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-> using bcast in the map -> breaks config_writes.py
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Using bcast, following output :
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#+BEGIN_CENTER
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SV_write_control()- done
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[SW] CAM_EnableDevice() - done
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[2274090] INFO: finished packet stimulus file
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[2735572] INFO: packet 1 tuple OK < tuple_out_digest_data, tuple_out_sume_metadata > = < 0000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000055040000 >
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[2735572] INFO: packet 1 data OK (tlast, tkeep, tdata) = (0, ffffffff, 0000000000000000000000000000000000000090012222222208022222222208)
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[2738904] INFO: packet 1 data OK (tlast, tkeep, tdata) = (1, ffffffff, 0000000000000000000000000000000000000000000000000000000000000000)
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[2745568] INFO: packet 2 tuple OK < tuple_out_digest_data, tuple_out_sume_metadata > = < 0000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000055100000 >
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[2745568] INFO: packet 2 data OK (tlast, tkeep, tdata) = (0, ffffffff, 0000000000000000000000000000000000000090012222222208022222222208)
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[2748900] INFO: packet 2 data OK (tlast, tkeep, tdata) = (1, ffffffff, 0000000000000000000000000000000000000000000000000000000000000000)
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[2755564] INFO: packet 3 tuple OK < tuple_out_digest_data, tuple_out_sume_metadata > = < 0000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000055400000 >
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[2755564] INFO: packet 3 data OK (tlast, tkeep, tdata) = (0, ffffffff, 0000000000000000000000000000000000000090012222222208022222222208)
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[2758896] INFO: packet 3 data OK (tlast, tkeep, tdata) = (1, ffffffff, 0000000000000000000000000000000000000000000000000000000000000000)
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[6094228] INFO: stopping simulation after 1000 idle cycles
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[6094228] INFO: all expected data successfully received
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[6094228] INFO: TEST PASSED
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$finish called at time : 6094228 ps : File "/home/nico/master-thesis/netpfga/minip4/nf_sume_sdnet_ip/SimpleSumeSwitch/Testbench/SimpleSumeSwitch_tb.sv" Line 207
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exit
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#+END_CENTER
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-> nf_sume_sdnet_ip/SimpleSumeSwitch/config_writes.txt isn't generated correctly
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*** 2019-06-13: try downgrading kernel: requires outdated libssl that is not there in 18.x
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#+BEGIN_CENTER
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root@rainbow:/home/nico# mkdir ubuntu
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root@rainbow:/home/nico# mv linux-* ubuntu/
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root@rainbow:/home/nico# cd ubuntu/
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root@rainbow:/home/nico/ubuntu# ls
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linux-headers-4.10.0-32-generic_4.10.0-32.36~16.04.1_amd64.deb linux-image-4.10.0-32-generic_4.10.0-32.36~16.04.1_amd64.deb
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root@rainbow:/home/nico/ubuntu#
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..
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run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.10.0-32-generic /boot/vmlinuz-4.10.0-32-generic
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Sourcing file `/etc/default/grub'
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Sourcing file `/etc/default/grub.d/50-curtin-settings.cfg'
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Sourcing file `/etc/default/grub.d/init-select.cfg'
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Generating grub configuration file ...
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Found linux image: /boot/vmlinuz-5.0.0-16-generic
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Found initrd image: /boot/initrd.img-5.0.0-16-generic
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Found linux image: /boot/vmlinuz-5.0.0-15-generic
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Found initrd image: /boot/initrd.img-5.0.0-15-generic
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Found linux image: /boot/vmlinuz-4.10.0-32-generic
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Found initrd image: /boot/initrd.img-4.10.0-32-generic
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done
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Errors were encountered while processing:
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linux-headers-4.10.0-32-generic
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root@rainbow:/home/nico/ubuntu#
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#+END_CENTER
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*** 2019-06-13: reminder: no ubuntu 16.04 originally due to broken packages
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*** 2019-06-13: re-installing ubuntu 16.04 fails w/ disk detection issues
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- trying 2 different computers
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- trying 2 different disks
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- erased partition table
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Only worked after creating a sample partition
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*** 2019-06-13: reinstall sdnet: next button doesn't work on ubuntu 16.04
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java traceback when trying to install sdnet
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#+BEGIN_CENTER
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Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: Window must not be zero
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at java.desktop/sun.awt.X11.XAtom.checkWindow(Unknown Source)
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at java.desktop/sun.awt.X11.XAtom.getAtomData(Unknown Source)
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at java.desktop/sun.awt.X11.XToolkit.getWorkArea(Unknown Source)
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at java.desktop/sun.awt.X11.XToolkit.getInsets(Unknown Source)
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at java.desktop/sun.awt.X11.XToolkit.getScreenInsets(Unknown Source)
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at java.desktop/java.awt.Window.init(Unknown Source)
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at java.desktop/java.awt.Window.<init>(Unknown Source)
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at java.desktop/java.awt.Window.<init>(Unknown Source)
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at java.desktop/java.awt.Dialog.<init>(Unknown Source)
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at java.desktop/java.awt.Dialog.<init>(Unknown Source)
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at java.desktop/javax.swing.JDialog.<init>(Unknown Source)
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at java.desktop/javax.swing.JOptionPane.createDialog(Unknown Source)
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at java.desktop/javax.swing.JOptionPane.createDialog(Unknown Source)
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at j.a.c(Unknown Source)
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at j.a.a(Unknown Source)
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at j.a.a(Unknown Source)
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at j.a.c(Unknown Source)
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at com.xilinx.installer.gui.panel.destination.b.a(Unknown Source)
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at com.xilinx.installer.gui.panel.destination.DestinationPanel.z(Unknown Source)
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at com.xilinx.installer.gui.E.a(Unknown Source)
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at com.xilinx.installer.gui.InstallerGUI.l(Unknown Source)
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at com.xilinx.installer.gui.i.actionPerformed(Unknown Source)
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at java.desktop/javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
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at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
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at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
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at java.desktop/javax.swing.DefaultButtonModel.setPressed(Unknown Source)
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at java.desktop/javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
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at java.desktop/java.awt.Component.processMouseEvent(Unknown Source)
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at java.desktop/javax.swing.JComponent.processMouseEvent(Unknown Source)
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at java.desktop/java.awt.Component.processEvent(Unknown Source)
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at java.desktop/java.awt.Container.processEvent(Unknown Source)
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at java.desktop/java.awt.Component.dispatchEventImpl(Unknown Source)
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at java.desktop/java.awt.Container.dispatchEventImpl(Unknown Source)
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at java.desktop/java.awt.Component.dispatchEvent(Unknown Source)
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at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
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at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
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at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
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at java.desktop/java.awt.Container.dispatchEventImpl(Unknown Source)
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at java.desktop/java.awt.Window.dispatchEventImpl(Unknown Source)
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at java.desktop/java.awt.Component.dispatchEvent(Unknown Source)
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at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
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at java.desktop/java.awt.EventQueue.access$500(Unknown Source)
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at java.desktop/java.awt.EventQueue$3.run(Unknown Source)
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at java.desktop/java.awt.EventQueue$3.run(Unknown Source)
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at java.base/java.security.AccessController.doPrivileged(Native Method)
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at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
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at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
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at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
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at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
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at java.base/java.security.AccessController.doPrivileged(Native Method)
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at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
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at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
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at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
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at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
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at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
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at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
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at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
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at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)
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#+END_CENTER
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Reason was a hidden window.
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***
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*** 2019-06-13: try using external card for packets
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*** 2019-06-14: test adding table entry with ubuntu 16.04, kernel 4.15.0-51-generic
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#+BEGIN_CENTER
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[12:05] rainbow16:CLI% ./P4_SWITCH_CLI.py
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loading libsume..
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loading libsume..
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loading libcam..
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The SimpleSumeSwitch interactive command line tool
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type help to see all commands
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>> table_cam_add_entry lookup_table send_to_port1 ff:ff:ff:ff:ff:ff =>
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CAM_Init_ValidateContext() - done
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WROTE 0x44020050 = 0xffffffff
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WROTE 0x44020054 = 0xffff
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WROTE 0x44020080 = 0x0003
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python: ioctl: Unknown error 512
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[12:05] rainbow16:CLI%
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#+END_CENTER
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*** 2019-06-14: try finding pre compiled bitfiles that can be tested
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*** 2019-06-14: re-verify hardware
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Using
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https://github.com/NetFPGA/NetFPGA-SUME-public/wiki/Acceptance-Test-Project
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#+BEGIN_CENTER
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[13:33] rainbow16:acceptance_test% make cores
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for lib in ./std/cores/nf_sume_10g_interface_shared_logic ./std/cores/nf_axis_gen_chk ./std/cores/nf_sume_10g_interface ./digilent/cores/d_clkfreq_detector ./digilent/cores/nf_sume_gpio_test ./digilent/cores/d_sdctrl ; do\
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make -C ip_repo/$lib clean; \
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make -C ip_repo/$lib; \
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done;
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make[1]: Entering directory '/home/nico/NetFPGA-SUME-live/projects/acceptance_test/ip_repo/std/cores/nf_sume_10g_interface_shared_logic'
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rm -rf generated_ip
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for i in nf_sume_10g_pcs_pma_ff_synchronizer_rst2.v nf_sume_10g_pcs_pma_gt_common.v; do \
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rm hdl/$i -fv; \
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done;
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rm -rf vivado*
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rm -rf .Xil
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rm -rf nf_sume_10g_interface_shared_logic_project
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rm -rf component.xml
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rm -rf xgui
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make[1]: Leaving directory '/home/nico/NetFPGA-SUME-live/projects/acceptance_test/ip_repo/std/cores/nf_sume_10g_interface_shared_logic'
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make[1]: Entering directory '/home/nico/NetFPGA-SUME-live/projects/acceptance_test/ip_repo/std/cores/nf_sume_10g_interface_shared_logic'
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WARNING: Ignoring invalid XILINX_PATH location /opt/Xilinx/Vivado/2016.4.
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Resolution: An invalid XILINX_PATH location has been detected. To resolve this issue:
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1. Verify the value of XILINX_PATH is accurate by viewing the value the variable via 'set XILINX_PATH' for Windows or 'echo $XILINX_PATH' for Linux, and update it as needed.
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2. To unset the variable using on Windows using 'set XILINX_PATH=' or remove it from Advanced System Settings\Environment Variables. On Linux 'unsetenv XILINX_PATH'
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****** Vivado v2018.2 (64-bit)
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**** SW Build 2258646 on Thu Jun 14 20:02:38 MDT 2018
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**** IP Build 2256618 on Thu Jun 14 22:10:49 MDT 2018
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** Copyright 1986-2018 Xilinx, Inc. All Rights Reserved.
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WARNING: [Common 17-1271] The MYVIVADO environment variable specifies an invalid location '/opt/Xilinx/Vivado/2016.4'
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source ../tcl/nf_sume_pcs_pma_compile.tcl
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# set ip_name {nf_sume_10g_pcs_pma}
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# create_project -in_memory -part xc7vx690tffg1761-3
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# create_ip -name ten_gig_eth_pcs_pma -vendor xilinx.com -library ip -module_name ${ip_name}
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INFO: [IP_Flow 19-234] Refreshing IP repositories
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INFO: [IP_Flow 19-1704] No user IP repositories specified
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#+END_CENTER
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#+BEGIN_CENTER
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[14:39] rainbow16:acceptance_test% make test
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python sw/host/script/NfSumeTest.py
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Traceback (most recent call last):
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File "sw/host/script/NfSumeTest.py", line 45, in <module>
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import wx
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ImportError: No module named wx
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Makefile:55: recipe for target 'test' failed
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make: *** [test] Error 1
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[14:40] rainbow16:acceptance_test%
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...
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[14:39] rainbow16:acceptance_test% make test
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python sw/host/script/NfSumeTest.py
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Traceback (most recent call last):
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File "sw/host/script/NfSumeTest.py", line 45, in <module>
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import wx
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ImportError: No module named wx
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Makefile:55: recipe for target 'test' failed
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make: *** [test] Error 1
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[14:40] rainbow16:acceptance_test%
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[14:40] rainbow16:acceptance_test% make test
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python sw/host/script/NfSumeTest.py
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Traceback (most recent call last):
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File "sw/host/script/NfSumeTest.py", line 52, in <module>
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import serial
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ImportError: No module named serial
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Makefile:55: recipe for target 'test' failed
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make: *** [test] Error 1
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[14:41] rainbow16:acceptance_test%
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root@rainbow16:~# apt install python-serial
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#+END_CENTER
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Trying to run make test -> various path erros -> trying sudo bash
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#+BEGIN_CENTER
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root@rainbow16:~/NetFPGA-SUME-live/projects/acceptance_test# . ~nico/master-thesis/netpfga/bashinit
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#+END_CENTER
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*** 2019-06-15: downloading / uploading reference switch
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- http://www.cl.cam.ac.uk/research/srg/netos/projects/netfpga/bitfiles/NetFPGA-SUME-live/1.3.0/reference_switch/reference_switch.bit
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- https://www.cl.cam.ac.uk/research/srg/netos/projects/netfpga/bitfiles/NetFPGA-SUME-live/1.3.0/
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*** 2019-06-15: Testing with external host: seems like my minip4 switch actually works!
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#+BEGIN_CENTER
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22:18:39.824461 IP6 2001:db8::1 > ff02::1:ff00:2: ICMP6, neighbor solicitation, who has 2001:db8::2, length 32
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22:18:40.848171 IP6 2001:db8::1 > ff02::1:ff00:2: ICMP6, neighbor solicitation, who has 2001:db8::2, length 32
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22:18:40.848292 IP6 2001:db8::1 > ff02::1:ff00:2: ICMP6, neighbor solicitation, who has 2001:db8::2, length 32
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22:18:41.872171 IP6 2001:db8::1 > ff02::1:ff00:2: ICMP6, neighbor solicitation, who has 2001:db8::2, length 32
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22:18:41.872286 IP6 2001:db8::1 > ff02::1:ff00:2: ICMP6, neighbor solicitation, who has 2001:db8::2, length 32
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22:18:58.848012 IP6 2001:db8::1.5353 > ff02::fb.5353: 0 [2q] PTR (QM)? _ipps._tcp.local. PTR (QM)? _ipp._tcp.local. (45)
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22:18:58.848058 IP6 2001:db8::1.5353 > ff02::fb.5353: 0 [2q] PTR (QM)? _ipps._tcp.local. PTR (QM)? _ipp._tcp.local. (45)
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22:20:02.849843 IP6 2001:db8::1.5353 > ff02::fb.5353: 0 [2q] PTR (QM)? _ipps._tcp.local. PTR (QM)? _ipp._tcp.local. (45)
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22:20:02.849894 IP6 2001:db8::1.5353 > ff02::fb.5353: 0 [2q] PTR (QM)? _ipps._tcp.local. PTR (QM)? _ipp._tcp.local. (45)
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22:22:10.850831 IP6 2001:db8::1.5353 > ff02::fb.5353: 0 [2q] PTR (QM)? _ipps._tcp.local. PTR (QM)? _ipp._tcp.local. (45)
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22:22:10.850950 IP6 2001:db8::1.5353 > ff02::fb.5353: 0 [2q] PTR (QM)? _ipps._tcp.local. PTR (QM)? _ipp._tcp.local. (45)
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#+END_CENTER
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Problem:
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- So basically riffa_sume doesn't do the right thing[tm]
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Message from myself:
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#+BEGIN_CENTER
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It seems I was really mistaken for the last weeks
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If I am not totally mistaken, the following is happening with the netpfga:
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I was testing sending and receiving packets on the same computer; so I sent a packet on nfX and expected an answer on nf0, which is how I wanted to verify that the card works
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So I ran tcpdump on nf0, send a packet with ping6 and scapy on nf{0,1,2,3} (edited)
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I have never seen the switch emitting ANY packet back with tcpdump
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Now with the card connected to another host, sending neighbor solicitation, I see duplicated packets on the other host - so it seems that it might have worked all the time, just that tcpdump on nfX on the host which contains the card does not show the packets
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#+END_CENTER
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The testscript now generates 2 packets:
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#+BEGIN_CENTER
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root@naked:~# cat foo.py
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#!/usr/bin/python3
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import sys
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from scapy.all import *
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if __name__ == '__main__':
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iface = sys.argv[1]
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e = Ether(src="02:53:55:42:45:01",
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dst='ff:ff:ff:ff:ff:ff')
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i = IPv6(src = "2001:db8:42::1",
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dst = "2001:db8::2")
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t = TCP(dport=80, sport=random.randint(49152,65535))
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||||
d = "A"
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pkg = e / i / t / d
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sendp(pkg, iface=iface, verbose=True)
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root@naked:~#
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||||
22:27:34.542877 IP6 2001:db8:42::1.63186 > 2001:db8::2.80: Flags [S], seq 0:1, win 8192, length 1: HTTP
|
||||
22:27:34.542982 IP6 2001:db8:42::1.63186 > 2001:db8::2.80: Flags [S], seq 0:1, win 8192, length 1: HTTP
|
||||
|
||||
#+END_CENTER
|
||||
|
||||
** References / Follow up
|
||||
*** RFC 791 IPv4 https://tools.ietf.org/html/rfc791
|
||||
|
|
|
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Reference in a new issue