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# intro example (tc) ----------------------------------------------------------
tcc | sed 's/.*dev eth0 //' | sed 's/.*prio 1 //'
#include "fields.tc"
#include "ports.tc"
dev "eth0" {
egress {
class (<$high>) if tcp_dport == PORT_HTTP;
class (<$low>) if 1;
prio {
$high = class (1) {
fifo (limit 20kB);
}
$low = class (2) {
fifo (limit 100kB);
}
}
}
}
EOF
handle 1:0 root dsmark indices 4 default_index 0
handle 2:0 parent 1:0 prio
handle 3:0 parent 2:1 bfifo limit 20480
handle 4:0 parent 2:2 bfifo limit 102400
tcindex mask 0x3 shift 0
handle 2 tcindex classid 2:2
handle 1 tcindex classid 2:1
handle 1:0:0 u32 divisor 1
u32 match u8 0x6 0xff at 9 offset at 0 mask 0f00 shift 6 eat link 1:0:0
handle 1:0:1 u32 ht 1:0:0 match u16 0x50 0xffff at 2 classid 1:1
u32 match u32 0x0 0x0 at 0 classid 1:2
# intro example (C) -----------------------------------------------------------
tcc -tc >/dev/null
#include "fields.tc"
#include "ports.tc"
dev "eth0" {
egress {
class (<$high>) if tcp_dport == PORT_HTTP;
class (<$low>) if 1;
prio {
$high = class (1) {
fifo (limit 20kB);
}
$low = class (2) {
fifo (limit 100kB);
}
}
}
}
EOF
# intro example (ext) ---------------------------------------------------------
tcc -xif:err -Xx,all 2>&1 | grep -v '^#'
#include "fields.tc"
#include "ports.tc"
dev "eth0" {
egress {
class (<$high>) if tcp_dport == PORT_HTTP;
class (<$low>) if 1;
prio {
$high = class (1) {
fifo (limit 20kB);
}
$low = class (2) {
fifo (limit 100kB);
}
}
}
}
EOF
offset 100 = 0+(0:4:4 << 5)
block eth0 egress
qdisc 3 = fifo limit 20480
qdisc 4 = fifo limit 102400
qdisc 2 = prio bands 3
class 1 = qdisc 3
class 2 = qdisc 4
qdisc 1 = dsmark indices 4
class 0 = qdisc 2
class 1 =
class 2 =
action 2 = class 1:2,2:2
action 1 = class 1:1,2:1
match 0:72:8=0x06 100:16:16=0x0050 action 1
match action 2
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