netdev - [PATCH v2] net: sch_generic: Use pfifo_fast as fallback scheduler for CAN hardware

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Message-Id: <1571750597-14030-1-git-send-email-vincent.prince.fr@gmail.com>
Date:   Tue, 22 Oct 2019 15:23:17 +0200
From:   Vincent Prince <vincent.prince.fr@...il.com>
To:     mkl@...gutronix.de
Cc:     dave.taht@...il.com, davem@...emloft.net, jhs@...atatu.com,
        jiri@...nulli.us, kernel@...gutronix.de, linux-can@...r.kernel.org,
        netdev@...r.kernel.org, xiyou.wangcong@...il.com,
        Vincent Prince <vincent.prince.fr@...il.com>
Subject: [PATCH v2] net: sch_generic: Use pfifo_fast as fallback scheduler for CAN hardware

Signed-off-by: Vincent Prince <vincent.prince.fr@...il.com>
---
Changes in v2:
 - reformat patch

 net/sched/sch_generic.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 77b289d..dfb2982 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -1008,6 +1008,8 @@ static void attach_one_default_qdisc(struct net_device *dev,
 
 	if (dev->priv_flags & IFF_NO_QUEUE)
 		ops = &noqueue_qdisc_ops;
+	else if(dev->type == ARPHRD_CAN)
+		ops = &pfifo_fast_ops;
 
 	qdisc = qdisc_create_dflt(dev_queue, ops, TC_H_ROOT, NULL);
 	if (!qdisc) {
-- 
2.7.4