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8f9afdd531
Add the tc part for the kernel commit 1f211a1b929c ("net, sched: add
clsact qdisc"). Quoting example usage from that commit description:
Example, adding qdisc:
# tc qdisc add dev foo clsact
# tc qdisc show dev foo
qdisc mq 0: root
qdisc pfifo_fast 0: parent :1 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :2 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :3 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :4 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc clsact ffff: parent ffff:fff1
Adding filters (deleting, etc works analogous by specifying ingress/egress):
# tc filter add dev foo ingress bpf da obj bar.o sec ingress
# tc filter add dev foo egress bpf da obj bar.o sec egress
# tc filter show dev foo ingress
filter protocol all pref 49152 bpf
filter protocol all pref 49152 bpf handle 0x1 bar.o:[ingress] direct-action
# tc filter show dev foo egress
filter protocol all pref 49152 bpf
filter protocol all pref 49152 bpf handle 0x1 bar.o:[egress] direct-action
The ingress parent alias can also be used with ingress qdisc.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
35 lines
630 B
C
35 lines
630 B
C
#include <stdio.h>
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#include <string.h>
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#include "utils.h"
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#include "tc_util.h"
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static void explain(void)
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{
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fprintf(stderr, "Usage: ... clsact\n");
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}
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static int clsact_parse_opt(struct qdisc_util *qu, int argc, char **argv,
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struct nlmsghdr *n)
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{
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if (argc > 0) {
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fprintf(stderr, "What is \"%s\"?\n", *argv);
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explain();
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return -1;
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}
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addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
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return 0;
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}
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static int clsact_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
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{
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return 0;
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}
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struct qdisc_util clsact_qdisc_util = {
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.id = "clsact",
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.parse_qopt = clsact_parse_opt,
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.print_qopt = clsact_print_opt,
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};
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