[patch net-next 3/9] net: sched: introduce tcf_block_q and tcf_block_dev helpers

[Jiri Pirko]

From: Jiri Pirko <j...@mellanox.com>

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

Signed-off-by: Jiri Pirko <j...@mellanox.com>
---
 include/net/pkt_cls.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 772dfa8..01ffda5 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -24,6 +24,17 @@ void tcf_chain_put(struct tcf_chain *chain);
 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);
 
@@ -39,6 +50,16 @@ static inline void tcf_block_put(struct tcf_block *block)
 {
 }
 
+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)
 {
-- 
2.9.5