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Commit c43212bb authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'refactor-tc_action-structs' 



Cong Wang says:

====================
net_sched: refactor tc action structures

These two patches factor out the struct tcf_common.

v2: fix a compile warning
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents b93dd49c ec0595cc

include/net/act_api.h

+47 −44
Original line number Diff line number Diff line
@@ -10,34 +10,6 @@ 
#include <net/net_namespace.h>

#include <net/netns/generic.h>



struct tcf_common {

	struct hlist_node		tcfc_head;

	u32				tcfc_index;

	int				tcfc_refcnt;

	int				tcfc_bindcnt;

	u32				tcfc_capab;

	int				tcfc_action;

	struct tcf_t			tcfc_tm;

	struct gnet_stats_basic_packed	tcfc_bstats;

	struct gnet_stats_queue		tcfc_qstats;

	struct gnet_stats_rate_est64	tcfc_rate_est;

	spinlock_t			tcfc_lock;

	struct rcu_head			tcfc_rcu;

	struct gnet_stats_basic_cpu __percpu *cpu_bstats;

	struct gnet_stats_queue __percpu *cpu_qstats;

};

#define tcf_head	common.tcfc_head

#define tcf_index	common.tcfc_index

#define tcf_refcnt	common.tcfc_refcnt

#define tcf_bindcnt	common.tcfc_bindcnt

#define tcf_capab	common.tcfc_capab

#define tcf_action	common.tcfc_action

#define tcf_tm		common.tcfc_tm

#define tcf_bstats	common.tcfc_bstats

#define tcf_qstats	common.tcfc_qstats

#define tcf_rate_est	common.tcfc_rate_est

#define tcf_lock	common.tcfc_lock

#define tcf_rcu		common.tcfc_rcu



struct tcf_hashinfo {

	struct hlist_head	*htab;
@@ -46,6 +18,44 @@ struct tcf_hashinfo { 
	u32			index;

};



struct tc_action_ops;



struct tc_action {

	const struct tc_action_ops	*ops;

	__u32				type; /* for backward compat(TCA_OLD_COMPAT) */

	__u32				order;

	struct list_head		list;

	struct tcf_hashinfo		*hinfo;



	struct hlist_node		tcfa_head;

	u32				tcfa_index;

	int				tcfa_refcnt;

	int				tcfa_bindcnt;

	u32				tcfa_capab;

	int				tcfa_action;

	struct tcf_t			tcfa_tm;

	struct gnet_stats_basic_packed	tcfa_bstats;

	struct gnet_stats_queue		tcfa_qstats;

	struct gnet_stats_rate_est64	tcfa_rate_est;

	spinlock_t			tcfa_lock;

	struct rcu_head			tcfa_rcu;

	struct gnet_stats_basic_cpu __percpu *cpu_bstats;

	struct gnet_stats_queue __percpu *cpu_qstats;

};

#define tcf_act		common.tcfa_act

#define tcf_head	common.tcfa_head

#define tcf_index	common.tcfa_index

#define tcf_refcnt	common.tcfa_refcnt

#define tcf_bindcnt	common.tcfa_bindcnt

#define tcf_capab	common.tcfa_capab

#define tcf_action	common.tcfa_action

#define tcf_tm		common.tcfa_tm

#define tcf_bstats	common.tcfa_bstats

#define tcf_qstats	common.tcfa_qstats

#define tcf_rate_est	common.tcfa_rate_est

#define tcf_lock	common.tcfa_lock

#define tcf_rcu		common.tcfa_rcu



static inline unsigned int tcf_hash(u32 index, unsigned int hmask)

{

	return index & hmask;
@@ -88,15 +98,6 @@ static inline void tcf_tm_dump(struct tcf_t *dtm, const struct tcf_t *stm) 
	dtm->expires = jiffies_to_clock_t(stm->expires);

}



struct tc_action {

	void			*priv;

	const struct tc_action_ops	*ops;

	__u32			type; /* for backward compat(TCA_OLD_COMPAT) */

	__u32			order;

	struct list_head	list;

	struct tcf_hashinfo	*hinfo;

};



#ifdef CONFIG_NET_CLS_ACT



#define ACT_P_CREATED 1
@@ -106,17 +107,18 @@ struct tc_action_ops { 
	struct list_head head;

	char    kind[IFNAMSIZ];

	__u32   type; /* TBD to match kind */

	size_t	size;

	struct module		*owner;

	int     (*act)(struct sk_buff *, const struct tc_action *,

		       struct tcf_result *);

	int     (*dump)(struct sk_buff *, struct tc_action *, int, int);

	void	(*cleanup)(struct tc_action *, int bind);

	int     (*lookup)(struct net *, struct tc_action *, u32);

	int     (*lookup)(struct net *, struct tc_action **, u32);

	int     (*init)(struct net *net, struct nlattr *nla,

			struct nlattr *est, struct tc_action *act, int ovr,

			struct nlattr *est, struct tc_action **act, int ovr,

			int bind);

	int     (*walk)(struct net *, struct sk_buff *,

			struct netlink_callback *, int, struct tc_action *);

			struct netlink_callback *, int, const struct tc_action_ops *);

	void	(*stats_update)(struct tc_action *, u64, u32, u64);

};
@@ -152,13 +154,14 @@ static inline void tc_action_net_exit(struct tc_action_net *tn) 


int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb,

		       struct netlink_callback *cb, int type,

		       struct tc_action *a);

int tcf_hash_search(struct tc_action_net *tn, struct tc_action *a, u32 index);

		       const struct tc_action_ops *ops);

int tcf_hash_search(struct tc_action_net *tn, struct tc_action **a, u32 index);

u32 tcf_hash_new_index(struct tc_action_net *tn);

bool tcf_hash_check(struct tc_action_net *tn, u32 index, struct tc_action *a,

bool tcf_hash_check(struct tc_action_net *tn, u32 index, struct tc_action **a,

		    int bind);

int tcf_hash_create(struct tc_action_net *tn, u32 index, struct nlattr *est,

		    struct tc_action *a, int size, int bind, bool cpustats);

		    struct tc_action **a, const struct tc_action_ops *ops, int bind,

		    bool cpustats);

void tcf_hash_cleanup(struct tc_action *a, struct nlattr *est);

void tcf_hash_insert(struct tc_action_net *tn, struct tc_action *a);

include/net/tc_act/tc_bpf.h

+2 −3
Original line number Diff line number Diff line
@@ -14,7 +14,7 @@ 
#include <net/act_api.h>



struct tcf_bpf {

	struct tcf_common	common;

	struct tc_action	common;

	struct bpf_prog __rcu	*filter;

	union {

		u32		bpf_fd;
@@ -23,7 +23,6 @@ struct tcf_bpf { 
	struct sock_filter	*bpf_ops;

	const char		*bpf_name;

};

#define to_bpf(a) \

	container_of(a->priv, struct tcf_bpf, common)

#define to_bpf(a) ((struct tcf_bpf *)a)



#endif /* __NET_TC_BPF_H */

include/net/tc_act/tc_connmark.h

+2 −3
Original line number Diff line number Diff line
@@ -4,12 +4,11 @@ 
#include <net/act_api.h>



struct tcf_connmark_info {

	struct tcf_common common;

	struct tc_action common;

	struct net *net;

	u16 zone;

};



#define to_connmark(a) \

	container_of(a->priv, struct tcf_connmark_info, common)

#define to_connmark(a) ((struct tcf_connmark_info *)a)



#endif /* __NET_TC_CONNMARK_H */

include/net/tc_act/tc_csum.h

+2 −3
Original line number Diff line number Diff line
@@ -5,11 +5,10 @@ 
#include <net/act_api.h>



struct tcf_csum {

	struct tcf_common common;

	struct tc_action common;



	u32 update_flags;

};

#define to_tcf_csum(a) \

	container_of(a->priv,struct tcf_csum,common)

#define to_tcf_csum(a) ((struct tcf_csum *)a)



#endif /* __NET_TC_CSUM_H */

include/net/tc_act/tc_defact.h

+2 −3
Original line number Diff line number Diff line
@@ -4,11 +4,10 @@ 
#include <net/act_api.h>



struct tcf_defact {

	struct tcf_common	common;

	struct tc_action	common;

	u32		tcfd_datalen;

	void		*tcfd_defdata;

};

#define to_defact(a) \

	container_of(a->priv, struct tcf_defact, common)

#define to_defact(a) ((struct tcf_defact *)a)



#endif /* __NET_TC_DEF_H */