Blame - include/net/sch_generic.h - kernel/hikey-linaro

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Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame^]	1	#ifndef __NET_SCHED_GENERIC_H
				2	#define __NET_SCHED_GENERIC_H
				3
				4	#include <linux/config.h>
				5	#include <linux/netdevice.h>
				6	#include <linux/types.h>
				7	#include <linux/rcupdate.h>
				8	#include <linux/module.h>
				9	#include <linux/rtnetlink.h>
				10	#include <linux/pkt_sched.h>
				11	#include <linux/pkt_cls.h>
				12	#include <net/gen_stats.h>
				13
				14	struct Qdisc_ops;
				15	struct qdisc_walker;
				16	struct tcf_walker;
				17	struct module;
				18
				19	struct qdisc_rate_table
				20	{
				21	struct tc_ratespec rate;
				22	u32 data[256];
				23	struct qdisc_rate_table *next;
				24	int refcnt;
				25	};
				26
				27	struct Qdisc
				28	{
				29	int (enqueue)(struct sk_buff skb, struct Qdisc *dev);
				30	struct sk_buff * (dequeue)(struct Qdisc dev);
				31	unsigned flags;
				32	#define TCQ_F_BUILTIN 1
				33	#define TCQ_F_THROTTLED 2
				34	#define TCQ_F_INGRESS 4
				35	int padded;
				36	struct Qdisc_ops *ops;
				37	u32 handle;
				38	u32 parent;
				39	atomic_t refcnt;
				40	struct sk_buff_head q;
				41	struct net_device *dev;
				42	struct list_head list;
				43
				44	struct gnet_stats_basic bstats;
				45	struct gnet_stats_queue qstats;
				46	struct gnet_stats_rate_est rate_est;
				47	spinlock_t *stats_lock;
				48	struct rcu_head q_rcu;
				49	int (reshape_fail)(struct sk_buff skb,
				50	struct Qdisc *q);
				51
				52	/* This field is deprecated, but it is still used by CBQ
				53	* and it will live until better solution will be invented.
				54	*/
				55	struct Qdisc *__parent;
				56	};
				57
				58	struct Qdisc_class_ops
				59	{
				60	/* Child qdisc manipulation */
				61	int (graft)(struct Qdisc , unsigned long cl,
				62	struct Qdisc , struct Qdisc *);
				63	struct Qdisc * (leaf)(struct Qdisc , unsigned long cl);
				64
				65	/* Class manipulation routines */
				66	unsigned long (get)(struct Qdisc , u32 classid);
				67	void (put)(struct Qdisc , unsigned long);
				68	int (change)(struct Qdisc , u32, u32,
				69	struct rtattr *, unsigned long );
				70	int (delete)(struct Qdisc , unsigned long);
				71	void (walk)(struct Qdisc , struct qdisc_walker * arg);
				72
				73	/* Filter manipulation */
				74	struct tcf_proto ** (tcf_chain)(struct Qdisc , unsigned long);
				75	unsigned long (bind_tcf)(struct Qdisc , unsigned long,
				76	u32 classid);
				77	void (unbind_tcf)(struct Qdisc , unsigned long);
				78
				79	/* rtnetlink specific */
				80	int (dump)(struct Qdisc , unsigned long,
				81	struct sk_buff skb, struct tcmsg);
				82	int (dump_stats)(struct Qdisc , unsigned long,
				83	struct gnet_dump *);
				84	};
				85
				86	struct Qdisc_ops
				87	{
				88	struct Qdisc_ops *next;
				89	struct Qdisc_class_ops *cl_ops;
				90	char id[IFNAMSIZ];
				91	int priv_size;
				92
				93	int (enqueue)(struct sk_buff , struct Qdisc *);
				94	struct sk_buff * (dequeue)(struct Qdisc );
				95	int (requeue)(struct sk_buff , struct Qdisc *);
				96	unsigned int (drop)(struct Qdisc );
				97
				98	int (init)(struct Qdisc , struct rtattr *arg);
				99	void (reset)(struct Qdisc );
				100	void (destroy)(struct Qdisc );
				101	int (change)(struct Qdisc , struct rtattr *arg);
				102
				103	int (dump)(struct Qdisc , struct sk_buff *);
				104	int (dump_stats)(struct Qdisc , struct gnet_dump *);
				105
				106	struct module *owner;
				107	};
				108
				109
				110	struct tcf_result
				111	{
				112	unsigned long class;
				113	u32 classid;
				114	};
				115
				116	struct tcf_proto_ops
				117	{
				118	struct tcf_proto_ops *next;
				119	char kind[IFNAMSIZ];
				120
				121	int (classify)(struct sk_buff, struct tcf_proto*,
				122	struct tcf_result *);
				123	int (init)(struct tcf_proto);
				124	void (destroy)(struct tcf_proto);
				125
				126	unsigned long (get)(struct tcf_proto, u32 handle);
				127	void (put)(struct tcf_proto, unsigned long);
				128	int (change)(struct tcf_proto, unsigned long,
				129	u32 handle, struct rtattr **,
				130	unsigned long *);
				131	int (delete)(struct tcf_proto, unsigned long);
				132	void (walk)(struct tcf_proto, struct tcf_walker *arg);
				133
				134	/* rtnetlink specific */
				135	int (dump)(struct tcf_proto, unsigned long,
				136	struct sk_buff skb, struct tcmsg);
				137
				138	struct module *owner;
				139	};
				140
				141	struct tcf_proto
				142	{
				143	/* Fast access part */
				144	struct tcf_proto *next;
				145	void *root;
				146	int (classify)(struct sk_buff, struct tcf_proto*,
				147	struct tcf_result *);
				148	u32 protocol;
				149
				150	/* All the rest */
				151	u32 prio;
				152	u32 classid;
				153	struct Qdisc *q;
				154	void *data;
				155	struct tcf_proto_ops *ops;
				156	};
				157
				158
				159	extern void qdisc_lock_tree(struct net_device *dev);
				160	extern void qdisc_unlock_tree(struct net_device *dev);
				161
				162	#define sch_tree_lock(q) qdisc_lock_tree((q)->dev)
				163	#define sch_tree_unlock(q) qdisc_unlock_tree((q)->dev)
				164	#define tcf_tree_lock(tp) qdisc_lock_tree((tp)->q->dev)
				165	#define tcf_tree_unlock(tp) qdisc_unlock_tree((tp)->q->dev)
				166
				167	static inline void
				168	tcf_destroy(struct tcf_proto *tp)
				169	{
				170	tp->ops->destroy(tp);
				171	module_put(tp->ops->owner);
				172	kfree(tp);
				173	}
				174
				175	#endif