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This patch makes MIPv6 loadable module named "mip6". Here is a modprobe.conf(5) example to load it automatically when user application uses XFRM state for MIPv6: alias xfrm-type-10-43 mip6 alias xfrm-type-10-60 mip6 Some MIPv6 feature is not included by this modular, however, it should not be affected to other features like either IPsec or IPv6 with and without the patch. We may discuss XFRM, MH (RAW socket) and ancillary data/sockopt separately for future work. Loadable features: * MH receiving check (to send ICMP error back) * RO header parsing and building (i.e. RH2 and HAO in DSTOPTS) * XFRM policy/state database handling for RO These are NOT covered as loadable: * Home Address flags and its rule on source address selection * XFRM sub policy (depends on its own kernel option) * XFRM functions to receive RO as IPv6 extension header * MH sending/receiving through raw socket if user application opens it (since raw socket allows to do so) * RH2 sending as ancillary data * RH2 operation with setsockopt(2) Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
38 lines
954 B
C
38 lines
954 B
C
#ifndef _NET_RAWV6_H
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#define _NET_RAWV6_H
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#ifdef __KERNEL__
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#include <net/protocol.h>
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#define RAWV6_HTABLE_SIZE MAX_INET_PROTOS
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extern struct hlist_head raw_v6_htable[RAWV6_HTABLE_SIZE];
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extern rwlock_t raw_v6_lock;
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extern int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr);
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extern struct sock *__raw_v6_lookup(struct sock *sk, unsigned short num,
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struct in6_addr *loc_addr, struct in6_addr *rmt_addr,
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int dif);
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extern int rawv6_rcv(struct sock *sk,
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struct sk_buff *skb);
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extern void rawv6_err(struct sock *sk,
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struct sk_buff *skb,
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struct inet6_skb_parm *opt,
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int type, int code,
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int offset, __be32 info);
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#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
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int rawv6_mh_filter_register(int (*filter)(struct sock *sock,
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struct sk_buff *skb));
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int rawv6_mh_filter_unregister(int (*filter)(struct sock *sock,
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struct sk_buff *skb));
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#endif
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#endif
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#endif
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