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-rw-r--r--include/net/ipv6.h62
1 files changed, 38 insertions, 24 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 8223c4410b4b..00328b71a08c 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -95,10 +95,10 @@
*/
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
@@ -113,9 +113,24 @@ extern int sysctl_mld_max_msf;
/* 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); \
@@ -143,9 +158,13 @@ DECLARE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics);
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)
+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)
int snmp6_register_dev(struct inet6_dev *idev);
int snmp6_unregister_dev(struct inet6_dev *idev);
@@ -191,7 +210,7 @@ struct ipv6_txoptions
struct ip6_flowlabel
{
struct ip6_flowlabel *next;
- u32 label;
+ __be32 label;
struct in6_addr dst;
struct ipv6_txoptions *opt;
atomic_t users;
@@ -211,7 +230,7 @@ struct ipv6_fl_socklist
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);
@@ -375,22 +394,15 @@ static inline int ipv6_addr_any(const struct in6_addr *a)
*/
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));
}
/*
@@ -544,7 +556,7 @@ extern int ip6_datagram_connect(struct sock *sk,
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);
@@ -589,6 +601,8 @@ extern int tcp6_proc_init(void);
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);