dst.h (4af358f81881e1d083a916c9269b5ac0936e180d) dst.h (f6b72b6217f8c24f2a54988e58af858b4e66024d)
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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33 struct rcu_head rcu_head;
34 struct dst_entry *child;
35 struct net_device *dev;
36 struct dst_ops *ops;
37 unsigned long _metrics;
38 unsigned long expires;
39 struct dst_entry *path;
40 struct neighbour *neighbour;
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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33 struct rcu_head rcu_head;
34 struct dst_entry *child;
35 struct net_device *dev;
36 struct dst_ops *ops;
37 unsigned long _metrics;
38 unsigned long expires;
39 struct dst_entry *path;
40 struct neighbour *neighbour;
41 struct hh_cache *hh;
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*);
49
41#ifdef CONFIG_XFRM
42 struct xfrm_state *xfrm;
43#else
44 void *__pad1;
45#endif
46 int (*input)(struct sk_buff*);
47 int (*output)(struct sk_buff*);
48
49 int flags;
50#define DST_HOST 0x0001
51#define DST_NOXFRM 0x0002
52#define DST_NOPOLICY 0x0004
53#define DST_NOHASH 0x0008
54#define DST_NOCACHE 0x0010
55#define DST_NOCOUNT 0x0020
56
50 short error;
51 short obsolete;
52 unsigned short header_len; /* more space at head required */
53 unsigned short trailer_len; /* space to reserve at tail */
54#ifdef CONFIG_IP_ROUTE_CLASSID
55 __u32 tclassid;
56#else
57 __u32 __pad2;
58#endif
59
60 /*
61 * Align __refcnt to a 64 bytes alignment
62 * (L1_CACHE_SIZE would be too much)
63 */
64#ifdef CONFIG_64BIT
57 short error;
58 short obsolete;
59 unsigned short header_len; /* more space at head required */
60 unsigned short trailer_len; /* space to reserve at tail */
61#ifdef CONFIG_IP_ROUTE_CLASSID
62 __u32 tclassid;
63#else
64 __u32 __pad2;
65#endif
66
67 /*
68 * Align __refcnt to a 64 bytes alignment
69 * (L1_CACHE_SIZE would be too much)
70 */
71#ifdef CONFIG_64BIT
65 long __pad_to_align_refcnt[1];
72 long __pad_to_align_refcnt[2];
66#endif
67 /*
68 * __refcnt wants to be on a different cache line from
69 * input/output/ops or performance tanks badly
70 */
71 atomic_t __refcnt; /* client references */
72 int __use;
73 unsigned long lastuse;
73#endif
74 /*
75 * __refcnt wants to be on a different cache line from
76 * input/output/ops or performance tanks badly
77 */
78 atomic_t __refcnt; /* client references */
79 int __use;
80 unsigned long lastuse;
74 int flags;
75#define DST_HOST 0x0001
76#define DST_NOXFRM 0x0002
77#define DST_NOPOLICY 0x0004
78#define DST_NOHASH 0x0008
79#define DST_NOCACHE 0x0010
80#define DST_NOCOUNT 0x0020
81 union {
82 struct dst_entry *next;
83 struct rtable __rcu *rt_next;
84 struct rt6_info *rt6_next;
85 struct dn_route __rcu *dn_next;
86 };
87};
88

--- 349 unchanged lines hidden --- 		81 union {
82 struct dst_entry *next;
83 struct rtable __rcu *rt_next;
84 struct rt6_info *rt6_next;
85 struct dn_route __rcu *dn_next;
86 };
87};
88

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