diff options
Diffstat (limited to 'include/net/dst.h')
| -rw-r--r-- | include/net/dst.h | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index 8a8b71e5f3f1..6be3b082a070 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -59,8 +59,11 @@ struct dst_entry struct neighbour *neighbour; struct hh_cache *hh; +#ifdef CONFIG_XFRM struct xfrm_state *xfrm; - +#else + void *__pad1; +#endif int (*input)(struct sk_buff*); int (*output)(struct sk_buff*); @@ -70,8 +73,20 @@ struct dst_entry #ifdef CONFIG_NET_CLS_ROUTE __u32 tclassid; +#else + __u32 __pad2; #endif + + /* + * Align __refcnt to a 64 bytes alignment + * (L1_CACHE_SIZE would be too much) + */ +#ifdef CONFIG_64BIT + long __pad_to_align_refcnt[2]; +#else + long __pad_to_align_refcnt[1]; +#endif /* * __refcnt wants to be on a different cache line from * input/output/ops or performance tanks badly @@ -103,7 +118,6 @@ struct dst_ops void (*link_failure)(struct sk_buff *); void (*update_pmtu)(struct dst_entry *dst, u32 mtu); int (*local_out)(struct sk_buff *skb); - int entry_size; atomic_t entries; struct kmem_cache *kmem_cachep; @@ -157,6 +171,11 @@ dst_metric_locked(struct dst_entry *dst, int metric) static inline void dst_hold(struct dst_entry * dst) { + /* + * If your kernel compilation stops here, please check + * __pad_to_align_refcnt declaration in struct dst_entry + */ + BUILD_BUG_ON(offsetof(struct dst_entry, __refcnt) & 63); atomic_inc(&dst->__refcnt); } @@ -272,21 +291,21 @@ enum { struct flowi; #ifndef CONFIG_XFRM -static inline int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, - struct sock *sk, int flags) +static inline int xfrm_lookup(struct net *net, struct dst_entry **dst_p, + struct flowi *fl, struct sock *sk, int flags) { return 0; } -static inline int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, - struct sock *sk, int flags) +static inline int __xfrm_lookup(struct net *net, struct dst_entry **dst_p, + struct flowi *fl, struct sock *sk, int flags) { return 0; } #else -extern int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, - struct sock *sk, int flags); -extern int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, - struct sock *sk, int flags); +extern int xfrm_lookup(struct net *net, struct dst_entry **dst_p, + struct flowi *fl, struct sock *sk, int flags); +extern int __xfrm_lookup(struct net *net, struct dst_entry **dst_p, + struct flowi *fl, struct sock *sk, int flags); #endif #endif |