netdev - [patch net-next RFC 2/4] net: sched: intruduce qdisc

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Message-Id: <20170710185110.3180-3-jiri@resnulli.us>
Date:   Mon, 10 Jul 2017 20:51:08 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, jhs@...atatu.com, xiyou.wangcong@...il.com,
        edumazet@...gle.com, stephen@...workplumber.org, jbenc@...hat.com,
        mlxsw@...lanox.com, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
        john.fastabend@...il.com, alexander.h.duyck@...el.com,
        daniel@...earbox.net, ogerlitz@...lanox.com, mrv@...atatu.com
Subject: [patch net-next RFC 2/4] net: sched: intruduce qdisc_net helper

From: Jiri Pirko <jiri@...lanox.com>

There is going to be need to be able to obtain net structure for
a qdisc. So introduce helper to do it.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 include/net/pkt_sched.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 2579c20..da85ad0 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -4,7 +4,9 @@
 #include <linux/jiffies.h>
 #include <linux/ktime.h>
 #include <linux/if_vlan.h>
+#include <linux/netdevice.h>
 #include <net/sch_generic.h>
+#include <net/net_namespace.h>
 
 #define DEFAULT_TX_QUEUE_LEN	1000
 
@@ -132,4 +134,9 @@ static inline unsigned int psched_mtu(const struct net_device *dev)
 	return dev->mtu + dev->hard_header_len;
 }
 
+static inline struct net *qdisc_net(struct Qdisc *q)
+{
+	return dev_net(q->dev_queue->dev);
+}
+
 #endif
-- 
2.9.3