blob: 9d7aaae0ac4f0ae56faf953311c41f0100526bd0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#!/bin/sh
[ "$ACTION" = add ] || exit
NPROCS="$(grep -c "^processor.*:" /proc/cpuinfo)"
[ "$NPROCS" -gt 1 ] || exit
PROC_MASK="$(( (1 << $NPROCS) - 1 ))"
find_irq_cpu() {
local dev="$1"
local match="$(grep -m 1 "$dev\$" /proc/interrupts)"
local cpu=0
[ -n "$match" ] && {
set -- $match
shift
for cur in `seq 1 $NPROCS`; do
[ "$1" -gt 0 ] && {
cpu=$(($cur - 1))
break
}
shift
done
}
echo "$cpu"
}
set_hex_val() {
local file="$1"
local val="$2"
val="$(printf %x "$val")"
[ -n "$DEBUG" ] && echo "$file = $val"
echo "$val" > "$file"
}
packet_steering="$(uci get "network.@globals[0].packet_steering")"
[ "$packet_steering" != 1 ] && exit 0
exec 512>/var/lock/smp_tune.lock
flock 512 || exit 1
for dev in /sys/class/net/*; do
[ -d "$dev" ] || continue
# ignore virtual interfaces
[ -n "$(ls "${dev}/" | grep '^lower_')" ] && continue
[ -d "${dev}/device" ] || continue
device="$(readlink "${dev}/device")"
device="$(basename "$device")"
irq_cpu="$(find_irq_cpu "$device")"
irq_cpu_mask="$((1 << $irq_cpu))"
for q in ${dev}/queues/rx-*; do
set_hex_val "$q/rps_cpus" "$PROC_MASK"
done
for q in ${dev}/queues/tx-*; do
set_hex_val "$q/xps_cpus" "$PROC_MASK"
done
done
|