net: sched: introduce per-block callbacks

Introduce infrastructure that allows drivers to register callbacks that
are called whenever tc would offload inserted rule for a specific block.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2017-10-19 15:50:31 +02:00
committed by David S. Miller
parent 6e40cf2d4d
commit acb674428c
3 changed files with 187 additions and 0 deletions

View File

@@ -27,6 +27,8 @@ struct tcf_block_ext_info {
enum tcf_block_binder_type binder_type;
};
struct tcf_block_cb;
#ifdef CONFIG_NET_CLS
struct tcf_chain *tcf_chain_get(struct tcf_block *block, u32 chain_index,
bool create);
@@ -51,6 +53,21 @@ static inline struct net_device *tcf_block_dev(struct tcf_block *block)
return tcf_block_q(block)->dev_queue->dev;
}
void *tcf_block_cb_priv(struct tcf_block_cb *block_cb);
struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block,
tc_setup_cb_t *cb, void *cb_ident);
void tcf_block_cb_incref(struct tcf_block_cb *block_cb);
unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb);
struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block,
tc_setup_cb_t *cb, void *cb_ident,
void *cb_priv);
int tcf_block_cb_register(struct tcf_block *block,
tc_setup_cb_t *cb, void *cb_ident,
void *cb_priv);
void __tcf_block_cb_unregister(struct tcf_block_cb *block_cb);
void tcf_block_cb_unregister(struct tcf_block *block,
tc_setup_cb_t *cb, void *cb_ident);
int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res, bool compat_mode);
@@ -91,6 +108,70 @@ static inline struct net_device *tcf_block_dev(struct tcf_block *block)
return NULL;
}
static inline
int tc_setup_cb_block_register(struct tcf_block *block, tc_setup_cb_t *cb,
void *cb_priv)
{
return 0;
}
static inline
void tc_setup_cb_block_unregister(struct tcf_block *block, tc_setup_cb_t *cb,
void *cb_priv)
{
}
static inline
void *tcf_block_cb_priv(struct tcf_block_cb *block_cb)
{
return NULL;
}
static inline
struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block,
tc_setup_cb_t *cb, void *cb_ident)
{
return NULL;
}
static inline
void tcf_block_cb_incref(struct tcf_block_cb *block_cb)
{
}
static inline
unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb)
{
return 0;
}
static inline
struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block,
tc_setup_cb_t *cb, void *cb_ident,
void *cb_priv)
{
return NULL;
}
static inline
int tcf_block_cb_register(struct tcf_block *block,
tc_setup_cb_t *cb, void *cb_ident,
void *cb_priv)
{
return 0;
}
static inline
void __tcf_block_cb_unregister(struct tcf_block_cb *block_cb)
{
}
static inline
void tcf_block_cb_unregister(struct tcf_block *block,
tc_setup_cb_t *cb, void *cb_ident)
{
}
static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res, bool compat_mode)
{