From 70945cb645402a4bb1d3dc46a07928caeb954c1f Mon Sep 17 00:00:00 2001 From: Ondrej Zajicek Date: Thu, 26 Jun 2014 11:58:57 +0200 Subject: Temporary integrated OSPF commit. --- proto/ospf/lsalib.h | 61 +++++++++++++++++++++++++++++++++++------------------ 1 file changed, 41 insertions(+), 20 deletions(-) (limited to 'proto/ospf/lsalib.h') diff --git a/proto/ospf/lsalib.h b/proto/ospf/lsalib.h index 0b556ec5..d9e1a610 100644 --- a/proto/ospf/lsalib.h +++ b/proto/ospf/lsalib.h @@ -1,42 +1,63 @@ /* * BIRD -- OSPF * - * (c) 1999 - 2000 Ondrej Filip + * (c) 1999--2000 Ondrej Filip + * (c) 2009--2014 Ondrej Zajicek + * (c) 2009--2014 CZ.NIC z.s.p.o. * * Can be freely distributed and used under the terms of the GNU GPL. - * */ #ifndef _BIRD_OSPF_LSALIB_H_ #define _BIRD_OSPF_LSALIB_H_ #ifdef CPU_BIG_ENDIAN -static inline void htonlsah(struct ospf_lsa_header *h, struct ospf_lsa_header *n) { *n = *h; }; -static inline void ntohlsah(struct ospf_lsa_header *n, struct ospf_lsa_header *h) { *h = *n; }; -static inline void htonlsab(void *h, void *n, u16 len) { ASSERT(h != n); memcpy(n, h, len); }; -static inline void ntohlsab(void *n, void *h, u16 len) { ASSERT(n != h); memcpy(h, n, len); }; -static inline void htonlsab1(void *h, u16 len) { }; -static inline void ntohlsab1(void *n, u16 len) { }; +static inline void lsa_hton_hdr(struct ospf_lsa_header *h, struct ospf_lsa_header *n) { *n = *h; }; +static inline void lsa_ntoh_hdr(struct ospf_lsa_header *n, struct ospf_lsa_header *h) { *h = *n; }; +static inline void lsa_hton_body(void *h, void *n, u16 len) { ASSERT(h != n); memcpy(n, h, len); }; +static inline void lsa_ntoh_body(void *n, void *h, u16 len) { ASSERT(n != h); memcpy(h, n, len); }; +static inline void lsa_hton_body1(void *h, u16 len) { }; +static inline void lsa_ntoh_body1(void *n, u16 len) { }; #else -void htonlsah(struct ospf_lsa_header *h, struct ospf_lsa_header *n); -void ntohlsah(struct ospf_lsa_header *n, struct ospf_lsa_header *h); -void htonlsab(void *h, void *n, u16 len); -void ntohlsab(void *n, void *h, u16 len); -static inline void htonlsab1(void *h, u16 len) { htonlsab(h, h, len); }; -static inline void ntohlsab1(void *n, u16 len) { ntohlsab(n, n, len); }; +void lsa_hton_hdr(struct ospf_lsa_header *h, struct ospf_lsa_header *n); +void lsa_ntoh_hdr(struct ospf_lsa_header *n, struct ospf_lsa_header *h); +void lsa_hton_body(void *h, void *n, u16 len); +void lsa_ntoh_body(void *n, void *h, u16 len); +static inline void lsa_hton_body1(void *h, u16 len) { lsa_hton_body(h, h, len); }; +static inline void lsa_ntoh_body1(void *n, u16 len) { lsa_ntoh_body(n, n, len); }; #endif +struct ospf_lsa_rt_walk { + struct top_hash_entry *en; + void *buf, *bufend; + int ospf2; + u16 type, metric; + u32 id, data, lif, nif; +}; + + +void lsa_get_type_domain_(u32 itype, struct ospf_iface *ifa, u32 *otype, u32 *domain); + +static inline void lsa_get_type_domain(struct ospf_lsa_header *lsa, struct ospf_iface *ifa, u32 *otype, u32 *domain) +{ lsa_get_type_domain_(lsa->type_raw, ifa, otype, domain); } + +static inline u32 lsa_get_etype(struct ospf_lsa_header *h, struct ospf_proto *p) +{ return ospf_is_v2(p) ? (h->type_raw & LSA_T_V2_MASK) : h->type_raw; } + + +int lsa_flooding_allowed(u32 type, u32 domain, struct ospf_iface *ifa); + void lsasum_calculate(struct ospf_lsa_header *header, void *body); u16 lsasum_check(struct ospf_lsa_header *h, void *body); #define CMP_NEWER 1 #define CMP_SAME 0 #define CMP_OLDER -1 int lsa_comp(struct ospf_lsa_header *l1, struct ospf_lsa_header *l2); -int lsa_validate(struct ospf_lsa_header *lsa, void *body); -struct top_hash_entry * lsa_install_new(struct proto_ospf *po, struct ospf_lsa_header *lsa, u32 domain, void *body); -void ospf_age(struct proto_ospf *po); -void flush_lsa(struct top_hash_entry *en, struct proto_ospf *po); -void ospf_flush_area(struct proto_ospf *po, u32 areaid); - +void lsa_walk_rt_init(struct ospf_proto *po, struct top_hash_entry *act, struct ospf_lsa_rt_walk *rt); +int lsa_walk_rt(struct ospf_lsa_rt_walk *rt); +void lsa_parse_sum_net(struct top_hash_entry *en, int ospf2, ip_addr *ip, int *pxlen, u8 *pxopts, u32 *metric); +void lsa_parse_sum_rt(struct top_hash_entry *en, int ospf2, u32 *drid, u32 *metric, u32 *options); +void lsa_parse_ext(struct top_hash_entry *en, int ospf2, struct ospf_lsa_ext_local *rt); +int lsa_validate(struct ospf_lsa_header *lsa, u32 lsa_type, int ospf2, void *body); #endif /* _BIRD_OSPF_LSALIB_H_ */ -- cgit v1.2.3