diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-generic/io.h | 4 | ||||
-rw-r--r-- | include/asm-generic/tlb.h | 17 | ||||
-rw-r--r-- | include/linux/cgroup.h | 2 | ||||
-rw-r--r-- | include/linux/list.h | 11 | ||||
-rw-r--r-- | include/linux/netfilter_ipv6.h | 16 | ||||
-rw-r--r-- | include/linux/rculist_nulls.h | 7 | ||||
-rw-r--r-- | include/linux/skbuff.h | 15 | ||||
-rw-r--r-- | include/linux/socket.h | 3 | ||||
-rw-r--r-- | include/net/addrconf.h | 2 | ||||
-rw-r--r-- | include/net/sch_generic.h | 18 | ||||
-rw-r--r-- | include/net/xfrm.h | 5 |
11 files changed, 74 insertions, 26 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index ac9da00e9f2c..d5afe96adba6 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -343,8 +343,12 @@ extern void ioport_unmap(void __iomem *p); #endif /* CONFIG_GENERIC_IOMAP */ #endif /* CONFIG_HAS_IOPORT */ +#ifndef xlate_dev_kmem_ptr #define xlate_dev_kmem_ptr(p) p +#endif +#ifndef xlate_dev_mem_ptr #define xlate_dev_mem_ptr(p) __va(p) +#endif #ifdef CONFIG_VIRT_TO_BUS #ifndef virt_to_bus diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index b1b1fa6ffffe..13821c339a41 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -97,11 +97,9 @@ struct mmu_gather { unsigned long start; unsigned long end; unsigned int need_flush : 1, /* Did free PTEs */ - fast_mode : 1; /* No batching */ - /* we are in the middle of an operation to clear * a full mm and can make some optimizations */ - unsigned int fullmm : 1, + fullmm : 1, /* we have performed an operation which * requires a complete flush of the tlb */ need_flush_all : 1; @@ -114,19 +112,6 @@ struct mmu_gather { #define HAVE_GENERIC_MMU_GATHER -static inline int tlb_fast_mode(struct mmu_gather *tlb) -{ -#ifdef CONFIG_SMP - return tlb->fast_mode; -#else - /* - * For UP we don't need to worry about TLB flush - * and page free order so much.. - */ - return 1; -#endif -} - void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm); void tlb_flush_mmu(struct mmu_gather *tlb); void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 5047355b9a0f..8bda1294c035 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -707,7 +707,7 @@ struct cgroup *cgroup_rightmost_descendant(struct cgroup *pos); * * If a subsystem synchronizes against the parent in its ->css_online() and * before starting iterating, and synchronizes against @pos on each - * iteration, any descendant cgroup which finished ->css_offline() is + * iteration, any descendant cgroup which finished ->css_online() is * guaranteed to be visible in the future iterations. * * In other words, the following guarantees that a descendant can't escape diff --git a/include/linux/list.h b/include/linux/list.h index 6a1f8df9144b..b83e5657365a 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -362,6 +362,17 @@ static inline void list_splice_tail_init(struct list_head *list, list_entry((ptr)->next, type, member) /** + * list_first_entry_or_null - get the first element from a list + * @ptr: the list head to take the element from. + * @type: the type of the struct this is embedded in. + * @member: the name of the list_struct within the struct. + * + * Note that if the list is empty, it returns NULL. + */ +#define list_first_entry_or_null(ptr, type, member) \ + (!list_empty(ptr) ? list_first_entry(ptr, type, member) : NULL) + +/** * list_for_each - iterate over a list * @pos: the &struct list_head to use as a loop cursor. * @head: the head for your list. diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h index 98ffb54988b6..2d4df6ce043e 100644 --- a/include/linux/netfilter_ipv6.h +++ b/include/linux/netfilter_ipv6.h @@ -17,6 +17,22 @@ extern __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook, extern int ipv6_netfilter_init(void); extern void ipv6_netfilter_fini(void); + +/* + * Hook functions for ipv6 to allow xt_* modules to be built-in even + * if IPv6 is a module. + */ +struct nf_ipv6_ops { + int (*chk_addr)(struct net *net, const struct in6_addr *addr, + const struct net_device *dev, int strict); +}; + +extern const struct nf_ipv6_ops __rcu *nf_ipv6_ops; +static inline const struct nf_ipv6_ops *nf_get_ipv6_ops(void) +{ + return rcu_dereference(nf_ipv6_ops); +} + #else /* CONFIG_NETFILTER */ static inline int ipv6_netfilter_init(void) { return 0; } static inline void ipv6_netfilter_fini(void) { return; } diff --git a/include/linux/rculist_nulls.h b/include/linux/rculist_nulls.h index 2ae13714828b..1c33dd7da4a7 100644 --- a/include/linux/rculist_nulls.h +++ b/include/linux/rculist_nulls.h @@ -105,9 +105,14 @@ static inline void hlist_nulls_add_head_rcu(struct hlist_nulls_node *n, * @head: the head for your list. * @member: the name of the hlist_nulls_node within the struct. * + * The barrier() is needed to make sure compiler doesn't cache first element [1], + * as this loop can be restarted [2] + * [1] Documentation/atomic_ops.txt around line 114 + * [2] Documentation/RCU/rculist_nulls.txt around line 146 */ #define hlist_nulls_for_each_entry_rcu(tpos, pos, head, member) \ - for (pos = rcu_dereference_raw(hlist_nulls_first_rcu(head)); \ + for (({barrier();}), \ + pos = rcu_dereference_raw(hlist_nulls_first_rcu(head)); \ (!is_a_nulls(pos)) && \ ({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); 1; }); \ pos = rcu_dereference_raw(hlist_nulls_next_rcu(pos))) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 2e0ced1af3b1..9c676eae3968 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2852,6 +2852,21 @@ static inline int skb_tnl_header_len(const struct sk_buff *inner_skb) SKB_GSO_CB(inner_skb)->mac_offset; } +static inline int gso_pskb_expand_head(struct sk_buff *skb, int extra) +{ + int new_headroom, headroom; + int ret; + + headroom = skb_headroom(skb); + ret = pskb_expand_head(skb, extra, 0, GFP_ATOMIC); + if (ret) + return ret; + + new_headroom = skb_headroom(skb); + SKB_GSO_CB(skb)->mac_offset += (new_headroom - headroom); + return 0; +} + static inline bool skb_is_gso(const struct sk_buff *skb) { return skb_shinfo(skb)->gso_size; diff --git a/include/linux/socket.h b/include/linux/socket.h index 33bf2dfab19d..b10ce4b341ea 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -320,6 +320,9 @@ extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data); struct timespec; +/* The __sys_...msg variants allow MSG_CMSG_COMPAT */ +extern long __sys_recvmsg(int fd, struct msghdr __user *msg, unsigned flags); +extern long __sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags); extern int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen, unsigned int flags, struct timespec *timeout); extern int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 84a6440f1f19..21f702704f24 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -65,7 +65,7 @@ extern int addrconf_set_dstaddr(struct net *net, extern int ipv6_chk_addr(struct net *net, const struct in6_addr *addr, - struct net_device *dev, + const struct net_device *dev, int strict); #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index f10818fc8804..e7f4e21cc3e1 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -679,22 +679,26 @@ static inline struct sk_buff *skb_act_clone(struct sk_buff *skb, gfp_t gfp_mask, #endif struct psched_ratecfg { - u64 rate_bps; - u32 mult; - u32 shift; + u64 rate_bps; + u32 mult; + u16 overhead; + u8 shift; }; static inline u64 psched_l2t_ns(const struct psched_ratecfg *r, unsigned int len) { - return ((u64)len * r->mult) >> r->shift; + return ((u64)(len + r->overhead) * r->mult) >> r->shift; } -extern void psched_ratecfg_precompute(struct psched_ratecfg *r, u32 rate); +extern void psched_ratecfg_precompute(struct psched_ratecfg *r, const struct tc_ratespec *conf); -static inline u32 psched_ratecfg_getrate(const struct psched_ratecfg *r) +static inline void psched_ratecfg_getrate(struct tc_ratespec *res, + const struct psched_ratecfg *r) { - return r->rate_bps >> 3; + memset(res, 0, sizeof(*res)); + res->rate = r->rate_bps >> 3; + res->overhead = r->overhead; } #endif diff --git a/include/net/xfrm.h b/include/net/xfrm.h index ae16531d0d35..94ce082b29dc 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1160,6 +1160,8 @@ static inline void xfrm_sk_free_policy(struct sock *sk) } } +extern void xfrm_garbage_collect(struct net *net); + #else static inline void xfrm_sk_free_policy(struct sock *sk) {} @@ -1194,6 +1196,9 @@ static inline int xfrm6_policy_check_reverse(struct sock *sk, int dir, { return 1; } +static inline void xfrm_garbage_collect(struct net *net) +{ +} #endif static __inline__ |