Part Number: PROCESSOR-SDK-J721E
Preparation:
using Linux image with patch.
patch attachment:
Commands:
ifconfig eth0 down
ethtool -L eth0 tx 3
ethtool --set-priv-flags eth0 p0-rx-ptype-rrobin off
ifconfig eth0 up
sleep 30
#sync system time to CPSW CPTS
phc2sys -s CLOCK_REALTIME -c eth0 -m -O 0 > /dev/null &
#start schedule at $base
tc qdisc replace dev eth0 parent root handle 100 taprio \
num_tc 3 \
map 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 \
queues 1@0 1@1 1@2 \
base-time 0 \
sched-entry S 4 150000 \
sched-entry S 2 150000 \
sched-entry S 1 700000 \
flags 2
tc qdisc add dev eth0 clsact
tc filter add dev eth0 egress protocol ip prio 1 u32 match ip dport 5001 0xffff action skbedit priority 3
tc filter add dev eth0 egress protocol ip prio 1 u32 match ip dport 5002 0xffff action skbedit priority 2
tc filter add dev eth0 egress protocol ip prio 1 u32 match ip dport 5003 0xffff action skbedit priority 1
tc qdisc show dev eth0
tc filter add dev eth0 egress protocol ip prio 1 u32 match ip dport 5001 0xffff action skbedit priority 3
tc filter add dev eth0 egress protocol ip prio 1 u32 match ip dport 5002 0xffff action skbedit priority 2
tc filter add dev eth0 egress protocol ip prio 1 u32 match ip dport 5003 0xffff action skbedit priority 1
tc qdisc show dev eth0
#delete qdisc
tc qdisc del dev eth0 parent root handle 100 taprio
#reconfigure qdisc
tc qdisc replace dev eth0 parent root handle 100 taprio \
num_tc 3 \
map 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 \
queues 1@0 1@1 1@2 \
base-time 0 \
sched-entry S 4 150000 \
sched-entry S 2 150000 \
sched-entry S 1 700000 \
flags 2
After reconfiguration, the TAS schedule start time is inaccurate. I mean, the start time is no equal to the time which is 0 + (N* cycle time).
