*/
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
/* 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);
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
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,
__be32 w1, __be32 w2,
__be32 w3, __be32 w4)
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)
*/
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));
}
/*
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 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 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