#define NEXTHDR_ICMP 58 /* ICMP for IPv6. */
#define NEXTHDR_NONE 59 /* No next header */
#define NEXTHDR_DEST 60 /* Destination options header. */
+#define NEXTHDR_MOBILITY 135 /* Mobility header. */
#define NEXTHDR_MAX 255
*/
struct frag_hdr {
- unsigned char nexthdr;
- unsigned char reserved;
- unsigned short frag_off;
- __u32 identification;
+ __u8 nexthdr;
+ __u8 reserved;
+ __be16 frag_off;
+ __be32 identification;
};
#define IP6_MF 0x0001
#ifdef __KERNEL__
-#include <linux/config.h>
#include <net/sock.h>
/* sysctls */
/* MIBs */
DECLARE_SNMP_STAT(struct ipstats_mib, ipv6_statistics);
-#define IP6_INC_STATS(field) SNMP_INC_STATS(ipv6_statistics, field)
-#define IP6_INC_STATS_BH(field) SNMP_INC_STATS_BH(ipv6_statistics, field)
-#define IP6_INC_STATS_USER(field) SNMP_INC_STATS_USER(ipv6_statistics, field)
+#define IP6_INC_STATS(idev,field) ({ \
+ struct inet6_dev *_idev = (idev); \
+ if (likely(_idev != NULL)) \
+ SNMP_INC_STATS(_idev->stats.ipv6, field); \
+ SNMP_INC_STATS(ipv6_statistics, field); \
+})
+#define IP6_INC_STATS_BH(idev,field) ({ \
+ struct inet6_dev *_idev = (idev); \
+ if (likely(_idev != NULL)) \
+ SNMP_INC_STATS_BH(_idev->stats.ipv6, field); \
+ SNMP_INC_STATS_BH(ipv6_statistics, field); \
+})
+#define IP6_INC_STATS_USER(idev,field) ({ \
+ struct inet6_dev *_idev = (idev); \
+ if (likely(_idev != NULL)) \
+ SNMP_INC_STATS_USER(_idev->stats.ipv6, field); \
+ SNMP_INC_STATS_USER(ipv6_statistics, field); \
+})
DECLARE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics);
#define ICMP6_INC_STATS(idev, field) ({ \
struct inet6_dev *_idev = (idev); \
SNMP_INC_STATS_OFFSET_BH(icmpv6_statistics, field, _offset); \
})
DECLARE_SNMP_STAT(struct udp_mib, udp_stats_in6);
-#define UDP6_INC_STATS(field) SNMP_INC_STATS(udp_stats_in6, field)
-#define UDP6_INC_STATS_BH(field) SNMP_INC_STATS_BH(udp_stats_in6, field)
-#define UDP6_INC_STATS_USER(field) SNMP_INC_STATS_USER(udp_stats_in6, field)
-
-int snmp6_register_dev(struct inet6_dev *idev);
-int snmp6_unregister_dev(struct inet6_dev *idev);
-int snmp6_alloc_dev(struct inet6_dev *idev);
-int snmp6_free_dev(struct inet6_dev *idev);
-int snmp6_mib_init(void *ptr[2], size_t mibsize, size_t mibalign);
-void snmp6_mib_free(void *ptr[2]);
+DECLARE_SNMP_STAT(struct udp_mib, udplite_stats_in6);
+#define UDP6_INC_STATS_BH(field, is_udplite) do { \
+ if (is_udplite) SNMP_INC_STATS_BH(udplite_stats_in6, field); \
+ else SNMP_INC_STATS_BH(udp_stats_in6, field); } while(0)
+#define UDP6_INC_STATS_USER(field, is_udplite) do { \
+ if (is_udplite) SNMP_INC_STATS_USER(udplite_stats_in6, field); \
+ else SNMP_INC_STATS_USER(udp_stats_in6, field); } while(0)
struct ip6_ra_chain
{
struct ip6_flowlabel
{
struct ip6_flowlabel *next;
- u32 label;
+ __be32 label;
+ atomic_t users;
struct in6_addr dst;
struct ipv6_txoptions *opt;
- atomic_t users;
unsigned long linger;
u8 share;
u32 owner;
struct ip6_flowlabel *fl;
};
-extern struct ip6_flowlabel *fl6_sock_lookup(struct sock *sk, u32 label);
+extern struct ip6_flowlabel *fl6_sock_lookup(struct sock *sk, __be32 label);
extern struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions * opt_space,
struct ip6_flowlabel * fl,
struct ipv6_txoptions * fopt);
void (*destructor)(struct sock *));
-extern int ipv6_parse_hopopts(struct sk_buff *skb, int);
+extern int ipv6_parse_hopopts(struct sk_buff **skbp);
extern struct ipv6_txoptions * ipv6_dup_options(struct sock *sk, struct ipv6_txoptions *opt);
extern struct ipv6_txoptions * ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
static inline int ipv6_addr_cmp(const struct in6_addr *a1, const struct in6_addr *a2)
{
- return memcmp((const void *) a1, (const void *) a2, sizeof(struct in6_addr));
+ return memcmp(a1, a2, sizeof(struct in6_addr));
+}
+
+static inline int
+ipv6_masked_addr_cmp(const struct in6_addr *a1, const struct in6_addr *m,
+ const struct in6_addr *a2)
+{
+ unsigned int i;
+
+ for (i = 0; i < 4; i++)
+ if ((a1->s6_addr32[i] ^ a2->s6_addr32[i]) & m->s6_addr32[i])
+ return 1;
+ return 0;
}
static inline void ipv6_addr_copy(struct in6_addr *a1, const struct in6_addr *a2)
{
- memcpy((void *) a1, (const void *) a2, sizeof(struct in6_addr));
+ memcpy(a1, a2, sizeof(struct in6_addr));
}
static inline void ipv6_addr_prefix(struct in6_addr *pfx,
int o = plen >> 3,
b = plen & 0x7;
+ memset(pfx->s6_addr, 0, sizeof(pfx->s6_addr));
memcpy(pfx->s6_addr, addr, o);
- if (b != 0) {
+ if (b != 0)
pfx->s6_addr[o] = addr->s6_addr[o] & (0xff00 >> b);
- o++;
- }
- if (o < 16)
- memset(pfx->s6_addr + o, 0, 16 - o);
}
-#ifndef __HAVE_ARCH_ADDR_SET
static inline void ipv6_addr_set(struct in6_addr *addr,
- __u32 w1, __u32 w2,
- __u32 w3, __u32 w4)
+ __be32 w1, __be32 w2,
+ __be32 w3, __be32 w4)
{
addr->s6_addr32[0] = w1;
addr->s6_addr32[1] = w2;
addr->s6_addr32[2] = w3;
addr->s6_addr32[3] = w4;
}
-#endif
static inline int ipv6_addr_equal(const struct in6_addr *a1,
const struct in6_addr *a2)
a1->s6_addr32[3] == a2->s6_addr32[3]);
}
-static inline int __ipv6_prefix_equal(const u32 *a1, const u32 *a2,
+static inline int __ipv6_prefix_equal(const __be32 *a1, const __be32 *a2,
unsigned int prefixlen)
{
unsigned pdw, pbi;
*/
static inline int __ipv6_addr_diff(const void *token1, const void *token2, int addrlen)
{
- const __u32 *a1 = token1, *a2 = token2;
+ const __be32 *a1 = token1, *a2 = token2;
int i;
addrlen >>= 2;
for (i = 0; i < addrlen; i++) {
- __u32 xb = a1[i] ^ a2[i];
- if (xb) {
- int j = 31;
-
- xb = ntohl(xb);
- while ((xb & (1 << j)) == 0)
- j--;
-
- return (i * 32 + 31 - j);
- }
+ __be32 xb = a1[i] ^ a2[i];
+ if (xb)
+ return i * 32 + 32 - fls(ntohl(xb));
}
/*
struct packet_type *pt,
struct net_device *orig_dev);
+extern int ip6_rcv_finish(struct sk_buff *skb);
+
/*
* upper-layer output functions
*/
extern int ip6_dst_lookup(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);
/*
* skb processing functions
extern int ipv6_ext_hdr(u8 nexthdr);
+extern int ipv6_find_tlv(struct sk_buff *skb, int offset, int type);
+
extern struct ipv6_txoptions * ipv6_invert_rthdr(struct sock *sk,
struct ipv6_rt_hdr *hdr);
int optname,
char __user *optval,
int __user *optlen);
+extern int compat_ipv6_setsockopt(struct sock *sk,
+ int level,
+ int optname,
+ char __user *optval,
+ int optlen);
+extern int compat_ipv6_getsockopt(struct sock *sk,
+ int level,
+ int optname,
+ char __user *optval,
+ int __user *optlen);
extern void ipv6_packet_init(void);
struct sockaddr *addr, int addr_len);
extern int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len);
-extern void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, u16 port,
+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 int sysctl_ip6frag_time;
extern int sysctl_ip6frag_secret_interval;
-extern struct proto_ops inet6_stream_ops;
-extern struct proto_ops inet6_dgram_ops;
+extern const struct proto_ops inet6_stream_ops;
+extern const struct proto_ops inet6_dgram_ops;
+
+struct group_source_req;
+struct group_filter;
extern int ip6_mc_source(int add, int omode, struct sock *sk,
struct group_source_req *pgsr);
extern void tcp6_proc_exit(void);
extern int udp6_proc_init(void);
extern void udp6_proc_exit(void);
+extern int udplite6_proc_init(void);
+extern void udplite6_proc_exit(void);
extern int ipv6_misc_proc_init(void);
extern void ipv6_misc_proc_exit(void);
+extern int snmp6_register_dev(struct inet6_dev *idev);
+extern int snmp6_unregister_dev(struct inet6_dev *idev);
extern struct rt6_statistics rt6_stats;
+#else
+static inline int snmp6_register_dev(struct inet6_dev *idev)
+{
+ return 0;
+}
+
+static inline int snmp6_unregister_dev(struct inet6_dev *idev)
+{
+ return 0;
+}
#endif
#ifdef CONFIG_SYSCTL