include/net/tc_act/tc_gate.h

Source file repositories/reference/linux-study-clean/include/net/tc_act/tc_gate.h

File Facts

System
Linux kernel
Corpus path
include/net/tc_act/tc_gate.h
Extension
.h
Size
2988 bytes
Lines
152
Domain
Networking Core
Bucket
Sockets, Protocols, Packet Path, And Network Policy
Inferred role
Networking Core: implementation source
Status
source implementation candidate

Why This File Exists

Networking stack implementation surface: socket APIs, protocol dispatch, packet flow, routing, filtering, and network namespaces.

Dependency Surface

Detected Declarations

Annotated Snippet

struct action_gate_entry {
	u8			gate_state;
	u32			interval;
	s32			ipv;
	s32			maxoctets;
};

struct tcfg_gate_entry {
	int			index;
	u8			gate_state;
	u32			interval;
	s32			ipv;
	s32			maxoctets;
	struct list_head	list;
};

struct tcf_gate_params {
	s32			tcfg_priority;
	u64			tcfg_basetime;
	u64			tcfg_cycletime;
	u64			tcfg_cycletime_ext;
	u32			tcfg_flags;
	s32			tcfg_clockid;
	size_t			num_entries;
	struct list_head	entries;
	struct rcu_head		rcu;
};

#define GATE_ACT_GATE_OPEN	BIT(0)
#define GATE_ACT_PENDING	BIT(1)

struct tcf_gate {
	struct tc_action	common;
	struct tcf_gate_params __rcu *param;
	u8			current_gate_status;
	ktime_t			current_close_time;
	u32			current_entry_octets;
	s32			current_max_octets;
	struct tcfg_gate_entry	*next_entry;
	struct hrtimer		hitimer;
	enum tk_offsets		tk_offset;
};

#define to_gate(a) ((struct tcf_gate *)a)

static inline struct tcf_gate_params *tcf_gate_params_locked(const struct tc_action *a)
{
	struct tcf_gate *gact = to_gate(a);

	return rcu_dereference_protected(gact->param,
					 lockdep_is_held(&gact->tcf_lock));
}

static inline s32 tcf_gate_prio(const struct tc_action *a)
{
	struct tcf_gate_params *p;
	s32 tcfg_prio;

	p = tcf_gate_params_locked(a);
	tcfg_prio = p->tcfg_priority;

	return tcfg_prio;
}

static inline u64 tcf_gate_basetime(const struct tc_action *a)
{
	struct tcf_gate_params *p;
	u64 tcfg_basetime;

	p = tcf_gate_params_locked(a);
	tcfg_basetime = p->tcfg_basetime;

	return tcfg_basetime;
}

static inline u64 tcf_gate_cycletime(const struct tc_action *a)
{
	struct tcf_gate_params *p;
	u64 tcfg_cycletime;

	p = tcf_gate_params_locked(a);
	tcfg_cycletime = p->tcfg_cycletime;

	return tcfg_cycletime;
}

static inline u64 tcf_gate_cycletimeext(const struct tc_action *a)
{
	struct tcf_gate_params *p;
	u64 tcfg_cycletimeext;

Annotation

Implementation Notes