cregit-Linux how code gets into the kernel

Release 4.14 include/net/dst_ops.h

Directory: include/net
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NET_DST_OPS_H

#define _NET_DST_OPS_H
#include <linux/types.h>
#include <linux/percpu_counter.h>
#include <linux/cache.h>

struct dst_entry;
struct kmem_cachep;
struct net_device;
struct sk_buff;
struct sock;
struct net;


struct dst_ops {
	
unsigned short		family;
	
unsigned int		gc_thresh;

	
int			(*gc)(struct dst_ops *ops);
	
struct dst_entry *	(*check)(struct dst_entry *, __u32 cookie);
	
unsigned int		(*default_advmss)(const struct dst_entry *);
	
unsigned int		(*mtu)(const struct dst_entry *);
	
u32 *			(*cow_metrics)(struct dst_entry *, unsigned long);
	
void			(*destroy)(struct dst_entry *);
	
void			(*ifdown)(struct dst_entry *,
					  struct net_device *dev, int how);
	
struct dst_entry *	(*negative_advice)(struct dst_entry *);
	
void			(*link_failure)(struct sk_buff *);
	
void			(*update_pmtu)(struct dst_entry *dst, struct sock *sk,
					       struct sk_buff *skb, u32 mtu);
	
void			(*redirect)(struct dst_entry *dst, struct sock *sk,
					    struct sk_buff *skb);
	
int			(*local_out)(struct net *net, struct sock *sk, struct sk_buff *skb);
	
struct neighbour *	(*neigh_lookup)(const struct dst_entry *dst,
						struct sk_buff *skb,
						const void *daddr);
	
void			(*confirm_neigh)(const struct dst_entry *dst,
						 const void *daddr);

	
struct kmem_cache	*kmem_cachep;

	
struct percpu_counter	pcpuc_entries ____cacheline_aligned_in_smp;
};


static inline int dst_entries_get_fast(struct dst_ops *dst) { return percpu_counter_read_positive(&dst->pcpuc_entries); }

Contributors

PersonTokensPropCommitsCommitProp
Eric Dumazet21100.00%1100.00%
Total21100.00%1100.00%


static inline int dst_entries_get_slow(struct dst_ops *dst) { return percpu_counter_sum_positive(&dst->pcpuc_entries); }

Contributors

PersonTokensPropCommitsCommitProp
Eric Dumazet21100.00%2100.00%
Total21100.00%2100.00%


static inline void dst_entries_add(struct dst_ops *dst, int val) { percpu_counter_add(&dst->pcpuc_entries, val); }

Contributors

PersonTokensPropCommitsCommitProp
Eric Dumazet25100.00%1100.00%
Total25100.00%1100.00%


static inline int dst_entries_init(struct dst_ops *dst) { return percpu_counter_init(&dst->pcpuc_entries, 0, GFP_KERNEL); }

Contributors

PersonTokensPropCommitsCommitProp
Eric Dumazet2392.00%150.00%
Tejun Heo28.00%150.00%
Total25100.00%2100.00%


static inline void dst_entries_destroy(struct dst_ops *dst) { percpu_counter_destroy(&dst->pcpuc_entries); }

Contributors

PersonTokensPropCommitsCommitProp
Eric Dumazet20100.00%1100.00%
Total20100.00%1100.00%

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Alexey Dobriyan14936.70%15.26%
Eric Dumazet11929.31%315.79%
David S. Miller10024.63%842.11%
Julian Anastasov184.43%15.26%
Eric W. Biedermann133.20%210.53%
Paul Mundt30.74%15.26%
Tejun Heo20.49%15.26%
Greg Kroah-Hartman10.25%15.26%
Steffen Klassert10.25%15.26%
Total406100.00%19100.00%
Directory: include/net
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