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41 lines
1.6 KiB
C
41 lines
1.6 KiB
C
/*
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* BIRD -- OSPF
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*
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* (c) 1999 - 2000 Ondrej Filip <feela@network.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*
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*/
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#ifndef _BIRD_OSPF_LSALIB_H_
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#define _BIRD_OSPF_LSALIB_H_
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#ifdef CPU_BIG_ENDIAN
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static inline void htonlsah(struct ospf_lsa_header *h, struct ospf_lsa_header *n) { *n = *h; };
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static inline void ntohlsah(struct ospf_lsa_header *n, struct ospf_lsa_header *h) { *h = *n; };
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static inline void htonlsab(void *h, void *n, u16 len) { ASSERT(h != n); memcpy(n, h, len); };
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static inline void ntohlsab(void *n, void *h, u16 len) { ASSERT(n != h); memcpy(h, n, len); };
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static inline void htonlsab1(void *h, u16 len) { };
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static inline void ntohlsab1(void *n, u16 len) { };
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#else
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void htonlsah(struct ospf_lsa_header *h, struct ospf_lsa_header *n);
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void ntohlsah(struct ospf_lsa_header *n, struct ospf_lsa_header *h);
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void htonlsab(void *h, void *n, u16 len);
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void ntohlsab(void *n, void *h, u16 len);
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static inline void htonlsab1(void *h, u16 len) { htonlsab(h, h, len); };
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static inline void ntohlsab1(void *n, u16 len) { ntohlsab(n, n, len); };
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#endif
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void lsasum_calculate(struct ospf_lsa_header *header, void *body);
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u16 lsasum_check(struct ospf_lsa_header *h, void *body);
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#define CMP_NEWER 1
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#define CMP_SAME 0
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#define CMP_OLDER -1
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int lsa_comp(struct ospf_lsa_header *l1, struct ospf_lsa_header *l2);
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int lsa_validate(struct ospf_lsa_header *lsa, void *body);
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struct top_hash_entry * lsa_install_new(struct proto_ospf *po, struct ospf_lsa_header *lsa, u32 domain, void *body);
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void ospf_age(struct proto_ospf *po);
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void flush_lsa(struct top_hash_entry *en, struct proto_ospf *po);
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#endif /* _BIRD_OSPF_LSALIB_H_ */
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