From d0d35aa278da490408f33ee90e30d556e22bc647 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Thu, 18 Jun 2020 13:28:53 +0200
Subject: [PATCH] platform: support creation of prio qdisc

Support the creation of parameterless 'prio' qdiscs. The kernel needs
a TCA_OPTIONS attribute initialized with default values. We currently
don't support modifying the qdisc parameters.
---
 src/platform/nm-linux-platform.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/platform/nm-linux-platform.c b/src/platform/nm-linux-platform.c
index a0edd13c9e..40451df820 100644
--- a/src/platform/nm-linux-platform.c
+++ b/src/platform/nm-linux-platform.c
@@ -4757,6 +4757,10 @@ _nl_msg_new_qdisc (int nlmsg_type,
 		NLA_PUT_U32 (msg, TCA_TBF_BURST, qdisc->tbf.burst);
 
 		nla_nest_end (msg, tc_options);
+	} else if (nm_streq (qdisc->kind, "prio")) {
+		struct tc_prio_qopt opt = {3, { 1, 2, 2, 2, 1, 2, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1 } };
+
+		NLA_PUT (msg, TCA_OPTIONS, sizeof (opt), &opt);
 	} else {
 		if (!(tc_options = nla_nest_start (msg, TCA_OPTIONS)))
 			goto nla_put_failure;