summaryrefslogtreecommitdiffstats
path: root/include/linux/ipv6.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/ipv6.h')
-rw-r--r--include/linux/ipv6.h205
1 files changed, 25 insertions, 180 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 879db26ec40..faed1e357dd 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -1,134 +1,9 @@
#ifndef _IPV6_H
#define _IPV6_H
-#include <linux/types.h>
-#include <linux/in6.h>
-#include <asm/byteorder.h>
+#include <uapi/linux/ipv6.h>
-/* The latest drafts declared increase in minimal mtu up to 1280. */
-
-#define IPV6_MIN_MTU 1280
-
-/*
- * Advanced API
- * source interface/address selection, source routing, etc...
- * *under construction*
- */
-
-
-struct in6_pktinfo {
- struct in6_addr ipi6_addr;
- int ipi6_ifindex;
-};
-
-struct ip6_mtuinfo {
- struct sockaddr_in6 ip6m_addr;
- __u32 ip6m_mtu;
-};
-
-struct in6_ifreq {
- struct in6_addr ifr6_addr;
- __u32 ifr6_prefixlen;
- int ifr6_ifindex;
-};
-
-#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
- */
-struct ipv6_rt_hdr {
- __u8 nexthdr;
- __u8 hdrlen;
- __u8 type;
- __u8 segments_left;
-
- /*
- * type specific data
- * variable length field
- */
-};
-
-
-struct ipv6_opt_hdr {
- __u8 nexthdr;
- __u8 hdrlen;
- /*
- * 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
-
-#ifdef __KERNEL__
#define ipv6_optlen(p) (((p)->hdrlen+1) << 3)
-#endif
-
-/*
- * routing header type 0 (used in cmsghdr struct)
- */
-
-struct rt0_hdr {
- struct ipv6_rt_hdr rt_hdr;
- __u32 reserved;
- struct in6_addr addr[0];
-
-#define rt0_type rt_hdr.type
-};
-
-/*
- * routing header type 2
- */
-
-struct rt2_hdr {
- struct ipv6_rt_hdr rt_hdr;
- __u32 reserved;
- struct in6_addr addr;
-
-#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
- * are glued to priority now, forming "class".
- */
-
-struct ipv6hdr {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
- __u8 priority:4,
- version:4;
-#elif defined(__BIG_ENDIAN_BITFIELD)
- __u8 version:4,
- priority:4;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
- __u8 flow_lbl[3];
-
- __be16 payload_len;
- __u8 nexthdr;
- __u8 hop_limit;
-
- struct in6_addr saddr;
- struct in6_addr daddr;
-};
-
-#ifdef __KERNEL__
/*
* This structure contains configuration options per IPv6 link.
*/
@@ -172,6 +47,7 @@ struct ipv6_devconf {
__s32 disable_ipv6;
__s32 accept_dad;
__s32 force_tllao;
+ __s32 ndisc_notify;
void *sysctl;
};
@@ -180,43 +56,6 @@ struct ipv6_params {
__s32 autoconf;
};
extern struct ipv6_params ipv6_defaults;
-#endif
-
-/* index values for the variables in ipv6_devconf */
-enum {
- DEVCONF_FORWARDING = 0,
- DEVCONF_HOPLIMIT,
- DEVCONF_MTU6,
- DEVCONF_ACCEPT_RA,
- DEVCONF_ACCEPT_REDIRECTS,
- DEVCONF_AUTOCONF,
- DEVCONF_DAD_TRANSMITS,
- DEVCONF_RTR_SOLICITS,
- DEVCONF_RTR_SOLICIT_INTERVAL,
- DEVCONF_RTR_SOLICIT_DELAY,
- DEVCONF_USE_TEMPADDR,
- DEVCONF_TEMP_VALID_LFT,
- DEVCONF_TEMP_PREFERED_LFT,
- DEVCONF_REGEN_MAX_RETRY,
- DEVCONF_MAX_DESYNC_FACTOR,
- DEVCONF_MAX_ADDRESSES,
- DEVCONF_FORCE_MLD_VERSION,
- DEVCONF_ACCEPT_RA_DEFRTR,
- DEVCONF_ACCEPT_RA_PINFO,
- 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
-};
-
-#ifdef __KERNEL__
#include <linux/icmpv6.h>
#include <linux/tcp.h>
#include <linux/udp.h>
@@ -228,6 +67,11 @@ static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb)
return (struct ipv6hdr *)skb_network_header(skb);
}
+static inline struct ipv6hdr *inner_ipv6_hdr(const struct sk_buff *skb)
+{
+ return (struct ipv6hdr *)skb_inner_network_header(skb);
+}
+
static inline struct ipv6hdr *ipipv6_hdr(const struct sk_buff *skb)
{
return (struct ipv6hdr *)skb_transport_header(skb);
@@ -256,6 +100,7 @@ struct inet6_skb_parm {
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
__u16 dsthao;
#endif
+ __u16 frag_max_size;
#define IP6SKB_XFRM_TRANSFORMED 1
#define IP6SKB_FORWARDED 2
@@ -524,22 +369,22 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk)
#define inet_v6_ipv6only(__sk) 0
#endif /* IS_ENABLED(CONFIG_IPV6) */
-#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__ */
+#define INET6_MATCH(__sk, __net, __saddr, __daddr, __ports, __dif) \
+ ((inet_sk(__sk)->inet_portpair == (__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))) && \
+ net_eq(sock_net(__sk), (__net)))
+
+#define INET6_TW_MATCH(__sk, __net, __saddr, __daddr, __ports, __dif) \
+ ((inet_twsk(__sk)->tw_portpair == (__ports)) && \
+ ((__sk)->sk_family == AF_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))) && \
+ net_eq(sock_net(__sk), (__net)))
#endif /* _IPV6_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-26 14:39:30 +0000