++ notes
This commit is contained in:
Nico Schottelius
parent
b8f5750464
commit
36ccd6e021
253
doc/plan.org
253
doc/plan.org
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@ -2670,7 +2670,6 @@ root@rainbow:~/master-thesis/netpfga/minip4/simple_sume_switch/bitfiles#
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#+END_CENTER
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***** DONE Step 14: test the card / switch
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****** try1: adding ips, using tcpdump
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******* testing enp16s0
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@ -2953,6 +2952,45 @@ root@rainbow:/home/nico/master-thesis/bin#
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-> only shows up on the interface that we send, not on nf0 if sending
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on nf1
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***** TODO Trying to add explicit table entry
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#+BEGIN_CENTER
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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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[20:27] rainbow:CLI%
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#+END_CENTER
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***** TODO Trying to read a table entry
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#+BEGIN_CENTER
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>> table_cam_read_entry lookup_table 0
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CAM_Init_ValidateContext() - done
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WROTE 0x44020050 = 0x0000
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WROTE 0x44020054 = 0x0000
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python: ioctl: Unknown error 512
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[20:31] rainbow:CLI% python 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_read_entry lookup_table 1
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CAM_Init_ValidateContext() - done
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WROTE 0x44020050 = 0x0001
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WROTE 0x44020054 = 0x0000
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python: ioctl: Unknown error 512
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[20:31] rainbow:CLI% python 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_read_entry lookup_table p.ethernet.dstAddr
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ERROR: failed to convert p.ethernet.dstAddr of type <type 'str'> to an integer
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#+END_CENTER
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*** TODO Create either HDL or PX for supporting payload checksum
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https://github.com/NetFPGA/P4-NetFPGA-public/issues/13
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https://github.com/NetFPGA/P4-NetFPGA-public/issues/13#issuecomment-490431016
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@ -3740,7 +3778,7 @@ RUN loading image file.
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minip4.bit
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attempting to launch hw_server
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****** Xilinx hw_server v2018.2
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****** Xilinx hw_server v2018.2
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**** Build date : Jun 14 2018-20:18:37
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** Copyright 1986-2018 Xilinx, Inc. All Rights Reserved.
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@ -3768,6 +3806,217 @@ nf3: ERROR while getting interface flags: No such device
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root@rainbow:~/master-thesis/netpfga/minip4/simple_sume_switch/bitfiles#
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#+END_CENTER
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Full run, messages are the same:
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#+BEGIN_CENTER
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+ xsct /home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/tools/run_xsct.tcl -tclargs minip4.bit
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rlwrap: warning: your $TERM is 'screen' but rlwrap couldn't find it in the terminfo database. Expect some problems.
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RUN loading image file.
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minip4.bit
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attempting to launch hw_server
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****** Xilinx hw_server v2018.2
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**** Build date : Jun 14 2018-20:18:37
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** Copyright 1986-2018 Xilinx, Inc. All Rights Reserved.
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INFO: hw_server application started
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INFO: Use Ctrl-C to exit hw_server application
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INFO: To connect to this hw_server instance use url: TCP:127.0.0.1:3121
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100% 10MB 1.7MB/s 00:06
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+ bash /home/nico/projects/P4-NetFPGA/contrib-projects/sume-sdnet-switch/tools/pci_rescan_run.sh
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Check programming FPGA or Reboot machine !
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+ rmmod sume_riffa
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rmmod: ERROR: Module sume_riffa is not currently loaded
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+ modprobe sume_riffa
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+ ifconfig nf0 up
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nf0: ERROR while getting interface flags: No such device
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+ ifconfig nf1 up
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nf1: ERROR while getting interface flags: No such device
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+ ifconfig nf2 up
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nf2: ERROR while getting interface flags: No such device
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+ ifconfig nf3 up
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nf3: ERROR while getting interface flags: No such device
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+ bash config_writes.sh
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[0:33] rainbow:minip4% sudo reboot
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#+END_CENTER
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*** 2019-06-07: exec format error
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Trying to load kernel module now gives an error:
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#+BEGIN_CENTER
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[7:05] rainbow:netpfga% . ./bashinit
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[7:05] rainbow:netpfga% bash build-load-drivers.sh
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+ cd /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0
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+ make all
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make -C /lib/modules/5.0.0-16-generic/build M=/home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0 modules
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make[1]: Entering directory '/usr/src/linux-headers-5.0.0-16-generic'
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Building modules, stage 2.
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MODPOST 1 modules
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make[1]: Leaving directory '/usr/src/linux-headers-5.0.0-16-generic'
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+ sudo make install
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make -C /lib/modules/5.0.0-16-generic/build M=/home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0 modules
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make[1]: Entering directory '/usr/src/linux-headers-5.0.0-16-generic'
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Building modules, stage 2.
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MODPOST 1 modules
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make[1]: Leaving directory '/usr/src/linux-headers-5.0.0-16-generic'
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install -o root -g root -m 0755 -d /lib/modules/5.0.0-16-generic/extra/sume_riffa/
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install -o root -g root -m 0755 sume_riffa.ko /lib/modules/5.0.0-16-generic/extra/sume_riffa/
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depmod -a 5.0.0-16-generic
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+ sudo modprobe sume_riffa
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modprobe: ERROR: could not insert 'sume_riffa': Exec format error
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[7:06] rainbow:netpfga%
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#+END_CENTER
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dmesg:
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#+BEGIN_CENTER
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[ 257.356321] sume_riffa: version magic '5.0.0-15-generic SMP mod_unload ' should be '5.0.0-16-generic SMP mod_unload '
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#+END_CENTER
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Rebuilding module:
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#+BEGIN_CENTER
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[7:08] rainbow:sume_riffa_v1_0_0% make clean
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make -C /lib/modules/5.0.0-16-generic/build M=/home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0 clean
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make[1]: Entering directory '/usr/src/linux-headers-5.0.0-16-generic'
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CLEAN /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0/.tmp_versions
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CLEAN /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0/Module.symvers
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make[1]: Leaving directory '/usr/src/linux-headers-5.0.0-16-generic'
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[7:08] rainbow:sume_riffa_v1_0_0% make all
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make -C /lib/modules/5.0.0-16-generic/build M=/home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0 modules
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make[1]: Entering directory '/usr/src/linux-headers-5.0.0-16-generic'
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CC [M] /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0/sume_riffa.o
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Building modules, stage 2.
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MODPOST 1 modules
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CC /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0/sume_riffa.mod.o
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LD [M] /home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0/sume_riffa.ko
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make[1]: Leaving directory '/usr/src/linux-headers-5.0.0-16-generic'
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[7:08] rainbow:sume_riffa_v1_0_0% sudo make install
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sudo modprobe sume_riffa
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make -C /lib/modules/5.0.0-16-generic/build M=/home/nico/projects/P4-NetFPGA/lib/sw/std/driver/sume_riffa_v1_0_0 modules
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make[1]: Entering directory '/usr/src/linux-headers-5.0.0-16-generic'
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Building modules, stage 2.
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MODPOST 1 modules
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make[1]: Leaving directory '/usr/src/linux-headers-5.0.0-16-generic'
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install -o root -g root -m 0755 -d /lib/modules/5.0.0-16-generic/extra/sume_riffa/
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install -o root -g root -m 0755 sume_riffa.ko /lib/modules/5.0.0-16-generic/extra/sume_riffa/
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depmod -a 5.0.0-16-generic
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[7:08] rainbow:sume_riffa_v1_0_0%
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#+END_CENTER
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The devices are back:
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#+BEGIN_CENTER
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[7:08] rainbow:sume_riffa_v1_0_0% ip l
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1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
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link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
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2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
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link/ether 70:85:c2:ad:62:79 brd ff:ff:ff:ff:ff:ff
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3: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DORMANT group default qlen 1000
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link/ether dc:8b:28:47:5c:f7 brd ff:ff:ff:ff:ff:ff
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4: nf0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
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link/ether 02:53:55:4d:45:00 brd ff:ff:ff:ff:ff:ff
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5: nf1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
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link/ether 02:53:55:4d:45:01 brd ff:ff:ff:ff:ff:ff
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6: nf2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
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link/ether 02:53:55:4d:45:02 brd ff:ff:ff:ff:ff:ff
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7: nf3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
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link/ether 02:53:55:4d:45:03 brd ff:ff:ff:ff:ff:ff
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[7:09] rainbow:sume_riffa_v1_0_0%
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#+END_CENTER
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*** 2019-06-08: adding table entries
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mac = 02:53:55:42:45:01 (from send_packet.py)
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#+BEGIN_CENTER
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>> list_cam_tables
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------------
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lookup_table :
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------------
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{u'action_ids': {u'TopPipe.do_nothing': 2,
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u'TopPipe.send_to_port1': 3,
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u'TopPipe.swap_eth_addresses': 1},
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u'annotations': {u'Xilinx_ExternallyConnected': [u'0'],
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u'Xilinx_LookupEngineType': [u'EM'],
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u'name': [u'TopPipe.lookup_table']},
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u'match_type': u'EM',
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u'p4_name': u'lookup_table',
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u'px_class': u'LookupEngine',
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u'px_name': u'lookup_table',
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u'px_type_name': u'lookup_table_t',
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u'request_fields': [{u'p4_name': u'p.ethernet.dstAddr',
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u'px_name': u'lookup_request_key',
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u'size': 48,
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u'type': u'bits'}],
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u'response_fields': [{u'px_name': u'hit', u'size': 1, u'type': u'bits'},
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{u'px_name': u'action_run',
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u'size': 2,
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u'type': u'bits'}]}
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>>
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root@rainbow:~# ip l s nf0 up
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>> table_cam_add_entry
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ERROR:
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table_cam_add_entry <table_name> <action_name> <keys> => <action_data>
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DESCRIPTION: Add an entry to the specified table
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PARAMS:
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<table_name> : name of the table to add an entry to
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<action_name> : name of the action to use in the entry (must be listed in the table's actions list)
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<keys> : space separated list of keys to use as the entry key (must correspond to table's keys in the order defined in the P4 program)
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<action_data> : space separated list of values to provide as input to the action
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['']
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>> table_cam_add_entry lookup_table send_to_port1 ff:ff:ff:ff:ff:ff
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ERROR:
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table_cam_add_entry <table_name> <action_name> <keys> => <action_data>
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DESCRIPTION: Add an entry to the specified table
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PARAMS:
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<table_name> : name of the table to add an entry to
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<action_name> : name of the action to use in the entry (must be listed in the table's actions list)
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<keys> : space separated list of keys to use as the entry key (must correspond to table's keys in the order defined in the P4 program)
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<action_data> : space separated list of values to provide as input to the action
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['lookup_table send_to_port1 ff:ff:ff:ff:ff:ff']
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[20:09] rainbow:CLI% python 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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ERROR:
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table_cam_add_entry <table_name> <action_name> <keys> => <action_data>
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DESCRIPTION: Add an entry to the specified table
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PARAMS:
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<table_name> : name of the table to add an entry to
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<action_name> : name of the action to use in the entry (must be listed in the table's actions list)
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<keys> : space separated list of keys to use as the entry key (must correspond to table's keys in the order defined in the P4 program)
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<action_data> : space separated list of values to provide as input to the action
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[20:10] rainbow:CLI%
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table_cam_add_entry lookup_table send_to_port1 ff:ff:ff:ff:ff:ff => ""
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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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[20:27] rainbow:CLI%
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#+END_CENTER
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** References / Follow up
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@ -25,13 +25,13 @@ if [ "$expected_line" != "$actual_line" ]; then
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exit 1
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fi
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# Step 6
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# Step 6: calls ${SUME_SDNET}/bin/gen_config_writes.py and generates SOMETHING
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cd $P4_PROJECT_DIR && make config_writes
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# Step 7
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# Step 7: copies directory SDNET_OUT_DIR to TARGET and copies other dirs
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cd $P4_PROJECT_DIR && make uninstall_sdnet && make install_sdnet
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# Step 8
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# Step 8: copies "config_writes.py" to the current dir - related to step 6
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cd $NF_DESIGN_DIR/test/sim_switch_default && make
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# Step 9
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