diff options
Diffstat (limited to 'include/net/ipv6.h')
| -rw-r--r-- | include/net/ipv6.h | 66 |
1 files changed, 42 insertions, 24 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 4a3cd2cd2f5e..c033ed00df7d 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 @@ -89,6 +87,16 @@ #define IPV6_ADDR_SCOPE_GLOBAL 0x0e /* + * Addr flags + */ +#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) + +/* * fragmentation header */ @@ -101,8 +109,6 @@ struct frag_hdr { #define IP6_MF 0x0001 -#ifdef __KERNEL__ - #include <net/sock.h> /* sysctls */ @@ -117,6 +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); \ @@ -148,16 +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; @@ -364,8 +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); @@ -480,7 +495,7 @@ extern int ip6_rcv_finish(struct sk_buff *skb); */ extern int ip6_xmit(struct sock *sk, struct sk_buff *skb, - struct flowi *fl, + struct flowi6 *fl6, struct ipv6_txoptions *opt); extern int ip6_nd_hdr(struct sock *sk, @@ -500,7 +515,7 @@ extern int ip6_append_data(struct sock *sk, int hlimit, int tclass, struct ipv6_txoptions *opt, - struct flowi *fl, + struct flowi6 *fl6, struct rt6_info *rt, unsigned int flags, int dontfrag); @@ -511,13 +526,17 @@ extern void ip6_flush_pending_frames(struct sock *sk); extern int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, - struct flowi *fl); -extern int ip6_dst_blackhole(struct sock *sk, - struct dst_entry **dst, - struct flowi *fl); -extern int ip6_sk_dst_lookup(struct sock *sk, - struct dst_entry **dst, - struct flowi *fl); + struct flowi6 *fl6); +extern struct dst_entry * ip6_dst_lookup_flow(struct sock *sk, + struct flowi6 *fl6, + const struct in6_addr *final_dst, + bool can_sleep); +extern struct dst_entry * ip6_sk_dst_lookup_flow(struct sock *sk, + struct flowi6 *fl6, + const struct in6_addr *final_dst, + bool can_sleep); +extern struct dst_entry * ip6_blackhole_route(struct net *net, + struct dst_entry *orig_dst); /* * skb processing functions @@ -550,7 +569,7 @@ extern int ipv6_ext_hdr(u8 nexthdr); extern int ipv6_find_tlv(struct sk_buff *skb, int offset, int type); -extern struct in6_addr *fl6_update_dst(struct flowi *fl, +extern struct in6_addr *fl6_update_dst(struct flowi6 *fl6, const struct ipv6_txoptions *opt, struct in6_addr *orig); @@ -584,8 +603,8 @@ extern int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len); extern int ipv6_recv_rxpmtu(struct sock *sk, struct msghdr *msg, int len); extern void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port, u32 info, u8 *payload); -extern void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info); -extern void ipv6_local_rxpmtu(struct sock *sk, struct flowi *fl, u32 mtu); +extern void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info); +extern void ipv6_local_rxpmtu(struct sock *sk, struct flowi6 *fl6, u32 mtu); extern int inet6_release(struct socket *sock); extern int inet6_bind(struct socket *sock, struct sockaddr *uaddr, @@ -651,5 +670,4 @@ extern int ipv6_static_sysctl_register(void); extern void ipv6_static_sysctl_unregister(void); #endif -#endif /* __KERNEL__ */ #endif /* _NET_IPV6_H */ |