Initial revision
diff --git a/isisd/isis_lsp.h b/isisd/isis_lsp.h
new file mode 100644
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--- /dev/null
+++ b/isisd/isis_lsp.h
@@ -0,0 +1,132 @@
+/*
+ * IS-IS Rout(e)ing protocol - isis_lsp.h
+ * LSP processing
+ *
+ * Copyright (C) 2001,2002 Sampo Saaristo
+ * Tampere University of Technology
+ * Institute of Communications Engineering
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public Licenseas published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _ZEBRA_ISIS_LSP_H
+#define _ZEBRA_ISIS_LSP_H
+
+/* The grand plan is to support 1024 circuits so we have 32*32 bit flags
+ * the support will be achived using the newest drafts */
+#define ISIS_MAX_CIRCUITS 32 /* = 1024 */ /*FIXME:defined in flags.h as well*/
+
+/* Structure for isis_lsp, this structure will only support the fixed
+ * System ID (Currently 6) (atleast for now). In order to support more
+ * We will have to split the header into two parts, and for readability
+ * sake it should better be avoided */
+struct isis_lsp
+{
+ struct isis_fixed_hdr *isis_header; /* normally equals pdu */
+ struct isis_link_state_hdr *lsp_header; /* pdu + isis_header_len */
+ struct stream *pdu; /* full pdu lsp */
+ union {
+ struct list *frags;
+ struct isis_lsp *zero_lsp;
+ } lspu;
+ u_int32_t SRMflags[ISIS_MAX_CIRCUITS];
+ u_int32_t SSNflags[ISIS_MAX_CIRCUITS];
+ u_int32_t rexmit_queue[ISIS_MAX_CIRCUITS];
+ int level; /* L1 or L2? */
+ int purged; /* have purged this one */
+ int scheduled; /* scheduled for sending */
+ time_t installed;
+ time_t last_generated;
+ time_t last_sent;
+ int own_lsp;
+#ifdef TOPOLOGY_GENERATE
+ int from_topology;
+ struct thread *t_lsp_top_ref;
+#endif
+ /* used for 60 second counting when rem_lifetime is zero */
+ int age_out;
+ struct isis_adjacency *adj;
+ struct tlvs tlv_data; /* Simplifies TLV access */
+};
+
+dict_t *lsp_db_init (void);
+void lsp_db_destroy (dict_t *lspdb);
+int lsp_tick (struct thread *thread);
+
+int lsp_l1_generate (struct isis_area *area);
+int lsp_l2_generate (struct isis_area *area);
+int lsp_refresh_l1 (struct thread *thread);
+int lsp_refresh_l2 (struct thread *thread);
+int lsp_regenerate_schedule (struct isis_area *area);
+
+int lsp_l1_pseudo_generate (struct isis_circuit *circuit);
+int lsp_l2_pseudo_generate (struct isis_circuit *circuit);
+int lsp_l1_refresh_pseudo (struct thread *thread);
+int lsp_l2_refresh_pseudo (struct thread *thread);
+int isis_lsp_authinfo_check (struct stream *stream, struct isis_area *area,
+ int pdulen, struct isis_passwd *passwd);
+struct isis_lsp *lsp_new (u_char *lsp_id, u_int16_t rem_lifetime,
+ u_int32_t seq_num, u_int8_t lsp_bits,
+ u_int16_t checksum, int level);
+struct isis_lsp *lsp_new_from_stream_ptr (struct stream *stream,
+ u_int16_t pdu_len,
+ struct isis_lsp *lsp0,
+ struct isis_area *area);
+void lsp_insert (struct isis_lsp *lsp, dict_t *lspdb);
+struct isis_lsp *lsp_search (u_char *id, dict_t *lspdb);
+
+void lsp_build_list (u_char *start_id, u_char *stop_id,
+ struct list *list, dict_t *lspdb);
+void lsp_build_list_nonzero_ht (u_char *start_id, u_char *stop_id,
+ struct list *list, dict_t *lspdb);
+void lsp_build_list_ssn (struct isis_circuit *circuit, struct list *list,
+ dict_t *lspdb);
+
+void lsp_search_and_destroy (u_char *id, dict_t *lspdb);
+void lsp_purge_dr (u_char *id, struct isis_circuit *circuit, int level);
+void lsp_purge_non_exist (struct isis_link_state_hdr *lsp_hdr,
+ struct isis_area *area);
+
+#define LSP_EQUAL 1
+#define LSP_NEWER 2
+#define LSP_OLDER 3
+
+#define LSP_PSEUDO_ID(I) ((u_char)(I)[ISIS_SYS_ID_LEN])
+#define LSP_FRAGMENT(I) ((u_char)(I)[ISIS_SYS_ID_LEN + 1])
+#define OWNLSPID(I) \
+ memcpy ((I), isis->sysid, ISIS_SYS_ID_LEN);\
+ (I)[ISIS_SYS_ID_LEN] = 0;\
+ (I)[ISIS_SYS_ID_LEN + 1] = 0
+int lsp_id_cmp (u_char *id1, u_char *id2);
+int lsp_compare (char *areatag, struct isis_lsp *lsp, u_int32_t seq_num,
+ u_int16_t checksum, u_int16_t rem_lifetime);
+void lsp_update (struct isis_lsp *lsp, struct isis_link_state_hdr *lsp_hdr,
+ struct stream *stream, struct isis_area *area);
+void lsp_inc_seqnum (struct isis_lsp *lsp, u_int32_t seq_num);
+int lsp_print_all (struct vty *vty, dict_t *lspdb, char detail, char dynhost);
+char *lsp_bits2string (u_char *);
+
+/* staticly assigned vars for printing purposes */
+char lsp_bits_string[200]; /* FIXME: enough ? */
+
+#ifdef TOPOLOGY_GENERATE
+void generate_topology_lsps (struct isis_area *area);
+void remove_topology_lsps (struct isis_area *area);
+void build_topology_lsp_data (struct isis_lsp *lsp,
+ struct isis_area *area, int lsp_top_num);
+#endif /* TOPOLOGY_GENERATE */
+
+#endif /* ISIS_LSP */
+