net_sched: act: hide struct tcf_common from API

Now we can totally hide it from modules. tcf_hash_*() API's
will operate on struct tc_action, modules don't need to care about
the details.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/tc_act/tc_csum.h

@@ -9,7 +9,7 @@ struct tcf_csum {
 
 	u32 update_flags;
 };
-#define to_tcf_csum(pc) \
-	container_of(pc,struct tcf_csum,common)
+#define to_tcf_csum(a) \
+	container_of(a->priv,struct tcf_csum,common)
 
 #endif /* __NET_TC_CSUM_H */

include/net/tc_act/tc_defact.h

@@ -8,7 +8,7 @@ struct tcf_defact {
 	u32     		tcfd_datalen;
 	void    		*tcfd_defdata;
 };
-#define to_defact(pc) \
-	container_of(pc, struct tcf_defact, common)
+#define to_defact(a) \
+	container_of(a->priv, struct tcf_defact, common)
 
 #endif /* __NET_TC_DEF_H */

include/net/tc_act/tc_gact.h

@@ -11,7 +11,7 @@ struct tcf_gact {
         int			tcfg_paction;
 #endif
 };
-#define to_gact(pc) \
-	container_of(pc, struct tcf_gact, common)
+#define to_gact(a) \
+	container_of(a->priv, struct tcf_gact, common)
 
 #endif /* __NET_TC_GACT_H */

include/net/tc_act/tc_ipt.h

@@ -11,7 +11,7 @@ struct tcf_ipt {
 	char			*tcfi_tname;
 	struct xt_entry_target	*tcfi_t;
 };
-#define to_ipt(pc) \
-	container_of(pc, struct tcf_ipt, common)
+#define to_ipt(a) \
+	container_of(a->priv, struct tcf_ipt, common)
 
 #endif /* __NET_TC_IPT_H */

include/net/tc_act/tc_mirred.h

@@ -11,7 +11,7 @@ struct tcf_mirred {
 	struct net_device	*tcfm_dev;
 	struct list_head	tcfm_list;
 };
-#define to_mirred(pc) \
-	container_of(pc, struct tcf_mirred, common)
+#define to_mirred(a) \
+	container_of(a->priv, struct tcf_mirred, common)
 
 #endif /* __NET_TC_MIR_H */

include/net/tc_act/tc_nat.h

@@ -13,9 +13,9 @@ struct tcf_nat {
 	u32 flags;
 };
 
-static inline struct tcf_nat *to_tcf_nat(struct tcf_common *pc)
+static inline struct tcf_nat *to_tcf_nat(struct tc_action *a)
 {
-	return container_of(pc, struct tcf_nat, common);
+	return container_of(a->priv, struct tcf_nat, common);
 }
 
 #endif /* __NET_TC_NAT_H */

include/net/tc_act/tc_pedit.h

@@ -9,7 +9,7 @@ struct tcf_pedit {
 	unsigned char		tcfp_flags;
 	struct tc_pedit_key	*tcfp_keys;
 };
-#define to_pedit(pc) \
-	container_of(pc, struct tcf_pedit, common)
+#define to_pedit(a) \
+	container_of(a->priv, struct tcf_pedit, common)
 
 #endif /* __NET_TC_PED_H */

include/net/tc_act/tc_skbedit.h

@@ -29,7 +29,7 @@ struct tcf_skbedit {
 	u16			queue_mapping;
 	/* XXX: 16-bit pad here? */
 };
-#define to_skbedit(pc) \
-	container_of(pc, struct tcf_skbedit, common)
+#define to_skbedit(a) \
+	container_of(a->priv, struct tcf_skbedit, common)
 
 #endif /* __NET_TC_SKBEDIT_H */