From: Jiri Pirko <jiri@mellanox.com>
Date: Fri, 13 Oct 2017 14:00:59 +0200
Subject: net: sched: introduce tcf_block_q and tcf_block_dev helpers
Patch-mainline: v4.15-rc1
Git-commit: 44186460c85a0121562db7cfef132d63c869118f
References: bsc#1109837

These helpers allows to get a q and netdev pointers
for given block easily.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 include/net/pkt_cls.h |   21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -27,6 +27,17 @@ void tcf_chain_put(struct tcf_chain *cha
 int tcf_block_get(struct tcf_block **p_block,
 		  struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q);
 void tcf_block_put(struct tcf_block *block);
+
+static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
+{
+	return block->q;
+}
+
+static inline struct net_device *tcf_block_dev(struct tcf_block *block)
+{
+	return tcf_block_q(block)->dev_queue->dev;
+}
+
 int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
 		 struct tcf_result *res, bool compat_mode);
 
@@ -42,6 +53,16 @@ static inline void tcf_block_put(struct
 {
 }
 
+static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
+{
+	return NULL;
+}
+
+static inline struct net_device *tcf_block_dev(struct tcf_block *block)
+{
+	return NULL;
+}
+
 static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
 			       struct tcf_result *res, bool compat_mode)
 {