[PATCH iproute2-next 2/2] tc: q_red: Implement has_block for RED
From: Petr Machata <hidden>
Date: 2020-07-16 10:48:35
Subsystem:
the rest · Maintainer:
Linus Torvalds
In order for "tc filter show block X" to find a given block, implement the has_block callback. Signed-off-by: Petr Machata <redacted> --- tc/q_red.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/tc/q_red.c b/tc/q_red.c
index 97856f03..dfef1bf8 100644
--- a/tc/q_red.c
+++ b/tc/q_red.c@@ -264,10 +264,27 @@ static int red_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstat return 0; } +static int red_has_block(struct qdisc_util *qu, struct rtattr *opt, __u32 block_idx, bool *p_has) +{ + struct rtattr *tb[TCA_RED_MAX + 1]; + + if (opt == NULL) + return 0; + + parse_rtattr_nested(tb, TCA_RED_MAX, opt); + + qevents_init(qevents); + if (qevents_read(qevents, tb)) + return -1; + + *p_has = qevents_have_block(qevents, block_idx); + return 0; +} struct qdisc_util red_qdisc_util = { .id = "red", .parse_qopt = red_parse_opt, .print_qopt = red_print_opt, .print_xstats = red_print_xstats, + .has_block = red_has_block, };
--
2.20.1