dst.h (277a163c83d7ba93fba1e8980d29a9f8bfcfba6c) dst.h (aad88724c9d54acb1a9737cb6069d8470fa85f74)
1/*
2 * net/dst.h Protocol independent destination cache definitions.
3 *
4 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
5 *
6 */
7
8#ifndef _NET_DST_H

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40 struct dst_entry *path;
41 struct dst_entry *from;
42#ifdef CONFIG_XFRM
43 struct xfrm_state *xfrm;
44#else
45 void *__pad1;
46#endif
47 int (*input)(struct sk_buff *);
1/*
2 * net/dst.h Protocol independent destination cache definitions.
3 *
4 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
5 *
6 */
7
8#ifndef _NET_DST_H

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40 struct dst_entry *path;
41 struct dst_entry *from;
42#ifdef CONFIG_XFRM
43 struct xfrm_state *xfrm;
44#else
45 void *__pad1;
46#endif
47 int (*input)(struct sk_buff *);
48 int (*output)(struct sk_buff *);
48 int (*output)(struct sock *sk, struct sk_buff *skb);
49
50 unsigned short flags;
51#define DST_HOST 0x0001
52#define DST_NOXFRM 0x0002
53#define DST_NOPOLICY 0x0004
54#define DST_NOHASH 0x0008
55#define DST_NOCACHE 0x0010
56#define DST_NOCOUNT 0x0020

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362static inline struct dst_entry *skb_dst_pop(struct sk_buff *skb)
363{
364 struct dst_entry *child = dst_clone(skb_dst(skb)->child);
365
366 skb_dst_drop(skb);
367 return child;
368}
369
49
50 unsigned short flags;
51#define DST_HOST 0x0001
52#define DST_NOXFRM 0x0002
53#define DST_NOPOLICY 0x0004
54#define DST_NOHASH 0x0008
55#define DST_NOCACHE 0x0010
56#define DST_NOCOUNT 0x0020

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362static inline struct dst_entry *skb_dst_pop(struct sk_buff *skb)
363{
364 struct dst_entry *child = dst_clone(skb_dst(skb)->child);
365
366 skb_dst_drop(skb);
367 return child;
368}
369
370int dst_discard(struct sk_buff *skb);
370int dst_discard_sk(struct sock *sk, struct sk_buff *skb);
371static inline int dst_discard(struct sk_buff *skb)
372{
373 return dst_discard_sk(skb->sk, skb);
374}
371void *dst_alloc(struct dst_ops *ops, struct net_device *dev, int initial_ref,
372 int initial_obsolete, unsigned short flags);
373void __dst_free(struct dst_entry *dst);
374struct dst_entry *dst_destroy(struct dst_entry *dst);
375
376static inline void dst_free(struct dst_entry *dst)
377{
378 if (dst->obsolete > 0)

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444 if (expires == 0)
445 expires = 1;
446
447 if (dst->expires == 0 || time_before(expires, dst->expires))
448 dst->expires = expires;
449}
450
451/* Output packet to network from transport. */
375void *dst_alloc(struct dst_ops *ops, struct net_device *dev, int initial_ref,
376 int initial_obsolete, unsigned short flags);
377void __dst_free(struct dst_entry *dst);
378struct dst_entry *dst_destroy(struct dst_entry *dst);
379
380static inline void dst_free(struct dst_entry *dst)
381{
382 if (dst->obsolete > 0)

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448 if (expires == 0)
449 expires = 1;
450
451 if (dst->expires == 0 || time_before(expires, dst->expires))
452 dst->expires = expires;
453}
454
455/* Output packet to network from transport. */
456static inline int dst_output_sk(struct sock *sk, struct sk_buff *skb)
457{
458 return skb_dst(skb)->output(sk, skb);
459}
452static inline int dst_output(struct sk_buff *skb)
453{
460static inline int dst_output(struct sk_buff *skb)
461{
454 return skb_dst(skb)->output(skb);
462 return dst_output_sk(skb->sk, skb);
455}
456
457/* Input packet from network to transport. */
458static inline int dst_input(struct sk_buff *skb)
459{
460 return skb_dst(skb)->input(skb);
461}
462

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464
465/* Input packet from network to transport. */
466static inline int dst_input(struct sk_buff *skb)
467{
468 return skb_dst(skb)->input(skb);
469}
470

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