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net: sched: introduce tcf_block_q and tcf_block_dev helpers

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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>
This commit is contained in:
Jiri Pirko 2017-10-13 14:00:59 +02:00 committed by David S. Miller
parent 855319becb
commit 44186460c8
1 changed files with 21 additions and 0 deletions
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21
include/net/pkt_cls.h
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@ -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)
{