To build tofino model SDE on a virtual machine :
- Create a fresh VM with Ubuntu Linux(either 16.04 or 18.04) right on your PC or MAC.
- Create VM based on it, copy the SDE tarball in there and do the build.
tar xzvf ~/Downloads/bf-sde-x.y.z.tgzcd bf-sde-x.y.z.tgz./p4studio interactive
Do you want to install dependencies? [Y/n]: Y
Do you want to build switch-p4-16? [y/N]: Y
Please provide the profile to build switch with (x1_tofino, x2_tofino, g1_tofino, y1_tofino2, y2_tofino2, y3_tofino2, z2_tofino2) [x1_tofino]: x1_tofino
Do you want to build bf-diags? [y/N]: N
Do you want to build P4-14 examples? [y/N]: N
Do you want to build P4-16 examples? [Y/n]: Y
Please provide architecture for bf-diags and p4-examples (tofino, tofino2, tofino2m, tofino2h, all) [tofino]: tofino
Do you want to build for HW? [y/N]: N
Do you want to enable P4Runtime? [y/N]: N
Created profile:
global-options: {}
features:
p4-examples:
- p4-16-programs
switch:
profile: x1_tofino
architectures:
- tofino
Do you want to write it to a file? [y/N]: Y
Please provide the profile filename - [Example:profiles/my-profile.yaml]: ./profiles/vm_model.yaml
Do you want to continue building SDE? [y/N]: N
./p4studio profile describe ./profiles/vm_model.yaml
Loading profile from ./profiles/vm_model.yaml file...
Profile is correct.
Source packages to install:
- bridge
- libcli
- thrift
- grpc
Configuration options:
✓ switch
✓ tofino
✗ tofino2
✗ tofino2m
✗ tofino2h
Targets to build:
- p4-16-programs
- x1_tofino
Profile is equivalent to below list of commands:
p4studio dependencies install --source-packages bridge,libcli,thrift,grpc --jobs N
p4studio configure tofino switch '^tofino2m' '^tofino2' '^tofino2h'
p4studio build --jobs N p4-16-programs x1_tofino
vim ./profiles/vm_model.yamlAdd tofino2 to the file.
global-options: {}
features:
p4-examples:
- p4-16-programs
switch:
profile: x1_tofino
architectures:
- tofino
- tofino2
- Now, we can build the SDE using:
./p4studio profile apply ./profiles/vm_model.yaml - We can check logs in
./mysde/p4studio/logsfolder. ./run_tofino_model.sh -p diag --int-port-loop 5./run_switchd.sh -p diag
bfshell> ucliStarting UCLI from bf-shell
Cannot read termcap database;
using dumb terminal settings.
bf-sde> diags help
lpbk-setup lpbk-setup <dev> <port-range> <loop-mode: 0=none,1=mac,2=phy,3=ext,4=pcs,5=pipe>
lpbk-start lpbk-start <sess-hdl(0=default)> <num-pkt> <pkt-size>
lpbk-stop lpbk-stop <sess-hdl(0=default)>
lpbk-status lpbk-status <sess-hdl(0=default)>
lpbk-cleanup lpbk-cleanup <sess-hdl(0=default)>
snake-setup snake-setup <dev> <port-range> <loop-mode: 0=none,1=mac,2=phy,3=ext,4=pcs,5=pipe>
snake-start snake-start <sess-hdl(0=default)> <num-pkt> <pkt-size> <bidir-traffic>(0:non-bidir, 1:bidir)
snake-stop snake-stop<sess-hdl(0=default)>
snake-status snake-status <sess-hdl(0=default)>
snake-cleanup snake-cleanup <sess-hdl(0=default)>
pair-setup pair-setup <dev> <port-range> <loop-mode: 0=none,1=mac,2=phy,3=ext,4=pcs,5=pipe>
pair-start pair-start <sess-hdl(0=default)> <num-pkt> <pkt-size> <bidir-traffic(0:non-bidir, 1:bidir)>
pair-stop pair-stop <sess-hdl(0=default)>
pair-status pair-status <sess-hdl(0=default)> [<detail(0=ON,1=OFF)>]
pair-cleanup pair-cleanup <sess-hdl(0=default)>
mlpbk-setup mlpbk-setup <dev> <ports> <loop-mode: 0=none,1=mac,2=phy,3=ext,4=pcs,5=pipe>
mlpbk-start mlpbk-start <sess-hdl(0=default)> <num-pkt> <pkt-size>
mlpbk-stop mlpbk-stop <sess-hdl(0=default)>
mlpbk-status mlpbk-status <sess-hdl(0=default)>
mlpbk-cleanup mlpbk-cleanup <sess-hdl(0=default)>
sess-valid sess-valid <sess-hdl>
sess-del-all sess-del-all <dev>
sess-print sess-print <sess-hdl (0=all)>
lpbk-mode-set lpbk-mode-set <dev> <dev-port> <loop-mode: 0=none,1=mac,2=phy,3=ext,4=pcs,5=pipe>
fwd-rule-add fwd-rule-add <dev> <ig-port> <eg-port> <tcpDstPort-start> <tcpDstPort-end> <priority>
fwd-rule-del fwd-rule-del <dev> <entry-hdl>
cpu-port-print cpu-port-print <dev>
cpu-stats-show cpu-stats-show <dev> <type: 0=one port,1=all ports> <dev_port>
cpu-stats-clear cpu-stats-clear <dev> <type: 0=one port,1=all ports> <dev_port>
pkt-inj pkt-inj <dev> <port-range> <num-pkt> <pkt-size>
vlan-create vlan-create <dev> <vlan-id>
port-vlan-add port-vlan-add <dev> <port-range> <vlan-id>
port-vlan-del port-vlan-del <dev> <port-range> <vlan-id>
def-vlan-set def-vlan-set <dev> <port> <vlan-id>
def-vlan-reset def-vlan-reset <dev> <port>
vlan-destroy vlan-destroy <dev> <vlan-id>
vlan-show vlan-show <dev> <vlan-id>
vlan-show-all vlan-show-all <dev>
pkt-logs pkt-logs <level: 0=off,1=err,2:all>
data-pattern data-pattern <sess-hdl> <mode: 0=random,1=fixed> <start-pattern> <start-pattern-len> <pattern_a> <pattern_b> <each-pattern-len>
pkt-payload pkt-payload <sess-hdl> <mode: 0=random,1=fixed,2=random-flip> <"payload" (""=None)> <"payload-file-path" (""=None)>
pkt-contents pkt-contents <sess-hdl> <mode: 0=random,1=fixed>
lrn-timeout lrn-timeout <dev> <usec>
mac-aging mac-aging <dev> <msec>
pktid-cnt-show pktid-cnt-show <dev>
pktid-cnt-clear pktid-cnt-clear <dev>
drain-all-pkts drain-all-pkts <dev> <mode: 0=off,1=on>
sess-max sess-max <dev> <max-value(default=32)>
pkt-rx-process pkt-rx-process <dev> <mode: 0=disable,1=enable>
profile-show profile-show
log
ucli
Cannot read termcap database;
using dumb terminal settings.
bf-sde>
diags snake-setup 0 0,1,256,257 3
dst-override-add: ig_port 320, dst-port 0, tcp (1024-2047), pri 0
diag:: Snake test setup <dev=0> <port-range=0,1,256,257><loop-mode=3>
Num ports is 4
Ports -> 0,1,256,257
dst-override-add: ig_port 0, dst-port 257, tcp (33792-34815), pri 500
dst-override-add: ig_port 0, dst-port 1, tcp (1024-2047), pri 500
dst-override-add: ig_port 1, dst-port 0, tcp (33792-34815), pri 500
dst-override-add: ig_port 1, dst-port 256, tcp (1024-2047), pri 500
dst-override-add: ig_port 256, dst-port 1, tcp (33792-34815), pri 500
dst-override-add: ig_port 256, dst-port 257, tcp (1024-2047), pri 500
dst-override-add: ig_port 257, dst-port 256, tcp (33792-34815), pri 500
dst-override-add: ig_port 320, dst-port 257, tcp (33792-34815), pri 0
dst-override-add: ig_port 257, dst-port 0, tcp (1024-2047), pri 500
Snake test setup success
Snake Session Handle: 2
diags snake-start 1 1 200 1
diag:: Snake test start <ses========= Successfully sent pkt with id 1000000000000 from CPU to port 0 of size 200 in session 1 tcp-dst-port 0 pkt-num 1 =========
s-hdl=1> <num-pkt========== Successfully sent pkt with id 1010100000001 from CPU to port 257 of size 200 in session 1 tcp-dst-port 32768 pkt-num 1 =========
1> <pkt-size=200> <bidir=1>
Snake test started
diags snake-stop 1
Snake Stop for tcp range (0 - 350)
didst-override-add: ig_port 257, dst-port 320, tcp (0-350), pri 0
ag:: Snake Test stop <sess-hdl=1>
========= Start processing for pkt_id 1000000000000 from port 257 of size 200 in session 1 =========
Valid diag pkt with id 1000000000000 on from port 257 of size 200 in session 1
========= End Processing for pkt_id 1000000000000 from port 257 of size 200 in session 1 =========
Snake Stop for tcp range (0 - 700)
dst-override-del: handle 22
dst-override-add: ig_port 257, dst-port 320, tcp (0-700), pri 0
Snake Stop for tcp range (0 - 1023)
dst-override-del: handle 22
dst-override-add: ig_port 257, dst-port 320, tcp (0-1023), pri 0
dst-override-del: handle 22
Snake Stop for tcp range (32768 - 33118)
dst-override-add: ig_port 0, dst-port 320, tcp (32768-33118), pri 0
========= Start processing for pkt_id 1010100000001 from port 0 of size 200 in session 1 =========
Valid diag pkt with id 1010100000001 on from port 0 of size 200 in session 1
========= End Processing for pkt_id 1010100000001 from port 0 of size 200 in session 1 =========
Snake Stop for tcp range (32768 - 33468)
dst-override-del: handle 22
dst-override-add: ig_port 0, dst-port 320, tcp (32768-33468), pri 0
Snake Stop for tcp range (32768 - 33791)
dst-override-del: handle 22
dst-override-add: ig_port 0, dst-port 320, tcp (32768-33791), pri 0
dst-override-del: handle 22
Snake Stop DONE
Test stop success
diags snake-status 1
diag:: Snake Test status <sess-hdl=1>
Test Status: Pass
Stats: Tx-total=2, rx-total=2, rx-good=2, rx_bad=0
No of Tx packet completions: 2
#Question: Why do you think "No of Tx packet completions: 2" ?
pmbf-sde.pm>show -p 1/-
-----+----+---+----+-------+----+--+--+---+---+---+--------+----------------+----------------+-
PORT |MAC |D_P|P/PT|SPEED |FEC |AN|KR|RDY|ADM|OPR|LPBK |FRAMES RX |FRAMES TX |E
-----+----+---+----+-------+----+--+--+---+---+---+--------+----------------+----------------+-
1/0 |15/0| 0|0/ 0|10G |NONE|Au|Au|YES|DIS|DWN| NONE | 2752| 2752|
1/1 |15/1| 1|0/ 1|10G |NONE|Au|Au|YES|DIS|DWN| NONE | 2752| 2752|
1/2 |15/2| 2|0/ 2|10G |NONE|Au|Au|YES|DIS|DWN| NONE | 0| 0|
1/3 |15/3| 3|0/ 3|10G |NONE|Au|Au|YES|DIS|DWN| NONE | 0| 0|
show -p 33/-
-----+----+---+----+-------+----+--+--+---+---+---+--------+----------------+----------------+-
PORT |MAC |D_P|P/PT|SPEED |FEC |AN|KR|RDY|ADM|OPR|LPBK |FRAMES RX |FRAMES TX |E
-----+----+---+----+-------+----+--+--+---+---+---+--------+----------------+----------------+-
33/0 |47/0|256|2/ 0|10G |NONE|Au|Au|YES|DIS|DWN| NONE | 2752| 2752|
33/1 |47/1|257|2/ 1|10G |NONE|Au|Au|YES|DIS|DWN| NONE | 2752| 2752|
33/2 |47/2|258|2/ 2|10G |NONE|Au|Au|YES|DIS|DWN| NONE | 0| 0|
33/3 |47/3|259|2/ 3|10G |NONE|Au|Au|YES|DIS|DWN| NONE | 0| 0|
We can also retriev more detailed SNMP counters using :
show -d -p 1/-
================================================================================
1/0 : Port Identifier
NO : is port internal
15/0 : MAC
0 : Dev Port
0/ 0 : Pipe/Port
10G : Speed
NONE : FEC
YES : Ready for Bring Up
NO : Autoneg eligibility
DEFAULT : AN policy set
DIS : Admin State
DOWN : Operational Status
2752 : FramesReceivedOK
2752 : FramesReceivedAll
0 : FramesReceivedwithFCSError
0 : FrameswithanyError
550400 : OctetsReceivedinGoodFrames
550400 : OctetsReceived
0 : FramesReceivedwithUnicastAddresses
2752 : FramesReceivedwithMulticastAddresses
0 : FramesReceivedwithBroadcastAddresses
...
bf-sde.pm>
bf-sde.pm> ..
bf-sde>
diags snake-cleanup 1
dst-override-del: handle 4
diag:: Snake Test cleanup <sess-hdl=1>
dst-override-del: handle 3
dst-override-del: handle 2
dst-override-del: handle 6
dst-override-del: handle 5
dst-override-del: handle 8
dst-override-del: handle 7
dst-override-del: handle 11
dst-override-del: handle 9
dst-override-del: handle 10
Cleaning up pkt database for session 1
Freed handle 1 on dev 0
Test cleanup success