diff options
Diffstat (limited to 'include/net/ipv6.h')
| -rw-r--r-- | include/net/ipv6.h | 42 |
1 files changed, 17 insertions, 25 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 34200f9e680..3b5ac1fbff3 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -77,11 +77,9 @@ /* * Addr scopes */ -#ifdef __KERNEL__ #define IPV6_ADDR_MC_SCOPE(a) \ ((a)->s6_addr[1] & 0x0f) /* nonstandard */ #define __IPV6_ADDR_SCOPE_INVALID -1 -#endif #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 @@ -91,14 +89,12 @@ /* * Addr flags */ -#ifdef __KERNEL__ #define IPV6_ADDR_MC_FLAG_TRANSIENT(a) \ ((a)->s6_addr[1] & 0x10) #define IPV6_ADDR_MC_FLAG_PREFIX(a) \ ((a)->s6_addr[1] & 0x20) #define IPV6_ADDR_MC_FLAG_RENDEZVOUS(a) \ ((a)->s6_addr[1] & 0x40) -#endif /* * fragmentation header @@ -113,8 +109,6 @@ struct frag_hdr { #define IP6_MF 0x0001 -#ifdef __KERNEL__ - #include <net/sock.h> /* sysctls */ @@ -129,6 +123,15 @@ extern struct ctl_path net_ipv6_ctl_path[]; SNMP_INC_STATS##modifier((net)->mib.statname##_statistics, (field));\ }) +/* per device counters are atomic_long_t */ +#define _DEVINCATOMIC(net, statname, modifier, idev, field) \ +({ \ + struct inet6_dev *_idev = (idev); \ + if (likely(_idev != NULL)) \ + SNMP_INC_STATS_ATOMIC_LONG((_idev)->stats.statname##dev, (field)); \ + SNMP_INC_STATS##modifier((net)->mib.statname##_statistics, (field));\ +}) + #define _DEVADD(net, statname, modifier, idev, field, val) \ ({ \ struct inet6_dev *_idev = (idev); \ @@ -160,16 +163,16 @@ extern struct ctl_path net_ipv6_ctl_path[]; #define IP6_UPD_PO_STATS_BH(net, idev,field,val) \ _DEVUPD(net, ipv6, 64_BH, idev, field, val) #define ICMP6_INC_STATS(net, idev, field) \ - _DEVINC(net, icmpv6, , idev, field) + _DEVINCATOMIC(net, icmpv6, , idev, field) #define ICMP6_INC_STATS_BH(net, idev, field) \ - _DEVINC(net, icmpv6, _BH, idev, field) + _DEVINCATOMIC(net, icmpv6, _BH, idev, field) #define ICMP6MSGOUT_INC_STATS(net, idev, field) \ - _DEVINC(net, icmpv6msg, , idev, field +256) + _DEVINCATOMIC(net, icmpv6msg, , idev, field +256) #define ICMP6MSGOUT_INC_STATS_BH(net, idev, field) \ - _DEVINC(net, icmpv6msg, _BH, idev, field +256) + _DEVINCATOMIC(net, icmpv6msg, _BH, idev, field +256) #define ICMP6MSGIN_INC_STATS_BH(net, idev, field) \ - _DEVINC(net, icmpv6msg, _BH, idev, field) + _DEVINCATOMIC(net, icmpv6msg, _BH, idev, field) struct ip6_ra_chain { struct ip6_ra_chain *next; @@ -376,8 +379,8 @@ enum ip6_defrag_users { struct ip6_create_arg { __be32 id; u32 user; - struct in6_addr *src; - struct in6_addr *dst; + const struct in6_addr *src; + const struct in6_addr *dst; }; void ip6_frag_init(struct inet_frag_queue *q, void *a); @@ -460,17 +463,7 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr)); } -static __inline__ void ipv6_select_ident(struct frag_hdr *fhdr) -{ - static u32 ipv6_fragmentation_id = 1; - static DEFINE_SPINLOCK(ip6_id_lock); - - spin_lock_bh(&ip6_id_lock); - fhdr->identification = htonl(ipv6_fragmentation_id); - if (++ipv6_fragmentation_id == 0) - ipv6_fragmentation_id = 1; - spin_unlock_bh(&ip6_id_lock); -} +extern void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt); /* * Prototypes exported by ipv6 @@ -667,5 +660,4 @@ extern int ipv6_static_sysctl_register(void); extern void ipv6_static_sysctl_unregister(void); #endif -#endif /* __KERNEL__ */ #endif /* _NET_IPV6_H */ |