#ifndef _IPV6_H
#define _IPV6_H
+#include <linux/types.h>
#include <linux/in6.h>
#include <asm/byteorder.h>
int ifr6_ifindex;
};
-#define IPV6_SRCRT_STRICT 0x01 /* this hop must be a neighbor */
-#define IPV6_SRCRT_TYPE_0 0 /* IPv6 type 0 Routing Header */
+#define IPV6_SRCRT_STRICT 0x01 /* Deprecated; will be removed */
+#define IPV6_SRCRT_TYPE_0 0 /* Deprecated; will be removed */
+#define IPV6_SRCRT_TYPE_2 2 /* IPv6 type 2 Routing Header */
/*
* routing header
/*
* TLV encoded option data follows.
*/
-};
+} __attribute__ ((packed)); /* required for some archs */
#define ipv6_destopt_hdr ipv6_opt_hdr
#define ipv6_hopopt_hdr ipv6_opt_hdr
#define rt0_type rt_hdr.type
};
-struct ipv6_auth_hdr {
- __u8 nexthdr;
- __u8 hdrlen; /* This one is measured in 32 bit units! */
- __u16 reserved;
- __u32 spi;
- __u32 seq_no; /* Sequence number */
- __u8 auth_data[0]; /* Length variable but >=4. Mind the 64 bit alignment! */
-};
+/*
+ * routing header type 2
+ */
-struct ipv6_esp_hdr {
- __u32 spi;
- __u32 seq_no; /* Sequence number */
- __u8 enc_data[0]; /* Length variable but >=8. Mind the 64 bit alignment! */
-};
+struct rt2_hdr {
+ struct ipv6_rt_hdr rt_hdr;
+ __u32 reserved;
+ struct in6_addr addr;
-struct ipv6_comp_hdr {
- __u8 nexthdr;
- __u8 flags;
- __u16 cpi;
+#define rt2_type rt_hdr.type
};
/*
+ * home address option in destination options header
+ */
+
+struct ipv6_destopt_hao {
+ __u8 type;
+ __u8 length;
+ struct in6_addr addr;
+} __attribute__ ((__packed__));
+
+/*
* IPv6 fixed header
*
* BEWARE, it is incorrect. The first 4 bits of flow_lbl
#endif
__u8 flow_lbl[3];
- __u16 payload_len;
+ __be16 payload_len;
__u8 nexthdr;
__u8 hop_limit;
struct in6_addr daddr;
};
+#ifdef __KERNEL__
/*
* This structure contains configuration options per IPv6 link.
*/
__s32 accept_ra_rt_info_max_plen;
#endif
#endif
+ __s32 proxy_ndp;
+ __s32 accept_source_route;
+#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
+ __s32 optimistic_dad;
+#endif
+#ifdef CONFIG_IPV6_MROUTE
+ __s32 mc_forwarding;
+#endif
+ __s32 disable_ipv6;
+ __s32 accept_dad;
+ __s32 force_tllao;
void *sysctl;
};
+struct ipv6_params {
+ __s32 disable_ipv6;
+ __s32 autoconf;
+};
+extern struct ipv6_params ipv6_defaults;
+#endif
+
/* index values for the variables in ipv6_devconf */
enum {
DEVCONF_FORWARDING = 0,
DEVCONF_ACCEPT_RA_RTR_PREF,
DEVCONF_RTR_PROBE_INTERVAL,
DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN,
+ DEVCONF_PROXY_NDP,
+ DEVCONF_OPTIMISTIC_DAD,
+ DEVCONF_ACCEPT_SOURCE_ROUTE,
+ DEVCONF_MC_FORWARDING,
+ DEVCONF_DISABLE_IPV6,
+ DEVCONF_ACCEPT_DAD,
+ DEVCONF_FORCE_TLLAO,
DEVCONF_MAX
};
#include <linux/tcp.h>
#include <linux/udp.h>
-#include <net/if_inet6.h> /* struct ipv6_mc_socklist */
#include <net/inet_sock.h>
+static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb)
+{
+ return (struct ipv6hdr *)skb_network_header(skb);
+}
+
+static inline struct ipv6hdr *ipipv6_hdr(const struct sk_buff *skb)
+{
+ return (struct ipv6hdr *)skb_transport_header(skb);
+}
+
/*
This structure contains results of exthdrs parsing
as offsets from skb->nh.
__u16 lastopt;
__u32 nhoff;
__u16 flags;
+#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+ __u16 dsthao;
+#endif
#define IP6SKB_XFRM_TRANSFORMED 1
+#define IP6SKB_FORWARDED 2
};
#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
struct inet6_request_sock tcp6rsk_inet6;
};
+struct ipv6_mc_socklist;
+struct ipv6_ac_socklist;
+struct ipv6_fl_socklist;
+
/**
* struct ipv6_pinfo - ipv6 private area
*
struct in6_addr saddr;
struct in6_addr rcv_saddr;
struct in6_addr daddr;
+ struct in6_pktinfo sticky_pktinfo;
struct in6_addr *daddr_cache;
#ifdef CONFIG_IPV6_SUBTREES
struct in6_addr *saddr_cache;
#endif
- __u32 flow_label;
+ __be32 flow_label;
__u32 frag_size;
- __s16 hop_limit;
- __s16 mcast_hops;
+
+ /*
+ * Packed in 16bits.
+ * Omit one shift by by putting the signed field at MSB.
+ */
+#if defined(__BIG_ENDIAN_BITFIELD)
+ __s16 hop_limit:9;
+ __u16 __unused_1:7;
+#else
+ __u16 __unused_1:7;
+ __s16 hop_limit:9;
+#endif
+
+#if defined(__BIG_ENDIAN_BITFIELD)
+ /* Packed in 16bits. */
+ __s16 mcast_hops:9;
+ __u16 __unused_2:6,
+ mc_loop:1;
+#else
+ __u16 mc_loop:1,
+ __unused_2:6;
+ __s16 mcast_hops:9;
+#endif
int mcast_oif;
/* pktoption flags */
union {
struct {
- __u16 srcrt:2,
- osrcrt:2,
+ __u16 srcrt:1,
+ osrcrt:1,
rxinfo:1,
rxoinfo:1,
rxhlim:1,
} rxopt;
/* sockopt flags */
- __u8 mc_loop:1,
- recverr:1,
+ __u8 recverr:1,
sndflow:1,
pmtudisc:2,
- ipv6only:1;
+ ipv6only:1,
+ srcprefs:3; /* 001: prefer temporary address
+ * 010: prefer public address
+ * 100: prefer care-of address
+ */
__u8 tclass;
__u32 dst_cookie;
struct sk_buff *pktoptions;
struct {
struct ipv6_txoptions *opt;
- struct rt6_info *rt;
- int hop_limit;
- int tclass;
+ u8 hop_limit;
+ u8 tclass;
} cork;
};
{
struct request_sock *req = reqsk_alloc(ops);
- if (req != NULL)
+ if (req != NULL) {
inet_rsk(req)->inet6_rsk_offset = inet6_rsk_offset(req);
+ inet6_rsk(req)->pktopts = NULL;
+ }
return req;
}
#define inet_v6_ipv6only(__sk) 0
#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
-#define INET6_MATCH(__sk, __hash, __saddr, __daddr, __ports, __dif)\
- (((__sk)->sk_hash == (__hash)) && \
- ((*((__u32 *)&(inet_sk(__sk)->dport))) == (__ports)) && \
+#define INET6_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif)\
+ (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \
+ ((*((__portpair *)&(inet_sk(__sk)->inet_dport))) == (__ports)) && \
((__sk)->sk_family == AF_INET6) && \
ipv6_addr_equal(&inet6_sk(__sk)->daddr, (__saddr)) && \
ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \
(!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif))))
+#define INET6_TW_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif) \
+ (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \
+ (*((__portpair *)&(inet_twsk(__sk)->tw_dport)) == (__ports)) && \
+ ((__sk)->sk_family == PF_INET6) && \
+ (ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_daddr, (__saddr))) && \
+ (ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_rcv_saddr, (__daddr))) && \
+ (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif))))
+
#endif /* __KERNEL__ */
#endif /* _IPV6_H */
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