Merge pull request #12798 from donaldsharp/rib_match_multicast

[mirror_frr.git] / isisd / isis_pdu.h

diff --git a/isisd/isis_pdu.h b/isisd/isis_pdu.h
index 7096761879394591f830f7554d30f6d6707ed5ca..512439400069ae6fadd5595c13e64e6cf6a3cb44 100644 (file)
--- a/isisd/isis_pdu.h
+++ b/isisd/isis_pdu.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * IS-IS Rout(e)ing protocol - isis_pdu.h
  *                             PDU processing
@@ -5,25 +6,13 @@
  * 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; see the file COPYING; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef _ZEBRA_ISIS_PDU_H
 #define _ZEBRA_ISIS_PDU_H
 
+#include "isisd/isis_tx_queue.h"
+
 #ifdef __SUNPRO_C
 #pragma pack(1)
 #endif
@@ -50,13 +39,13 @@
  */
 
 struct esis_fixed_hdr {
-       u_char idrp;
-       u_char length;
-       u_char version;
-       u_char id_len;
-       u_char pdu_type;
-       u_int16_t holdtime;
-       u_int16_t checksum;
+       uint8_t idrp;
+       uint8_t length;
+       uint8_t version;
+       uint8_t id_len;
+       uint8_t pdu_type;
+       uint16_t holdtime;
+       uint16_t checksum;
 } __attribute__((packed));
 
 #define ESIS_FIXED_HDR_LEN   9
@@ -90,12 +79,12 @@ struct esis_fixed_hdr {
  * +-------+-------+-------+-------+-------+-------+-------+-------+
  */
 struct isis_lan_hello_hdr {
-       u_char circuit_t;
-       u_char source_id[ISIS_SYS_ID_LEN];
-       u_int16_t hold_time;
-       u_int16_t pdu_len;
-       u_char prio;
-       u_char lan_id[ISIS_SYS_ID_LEN + 1];
+       uint8_t circuit_t;
+       uint8_t source_id[ISIS_SYS_ID_LEN];
+       uint16_t hold_time;
+       uint16_t pdu_len;
+       uint8_t prio;
+       uint8_t lan_id[ISIS_SYS_ID_LEN + 1];
 } __attribute__((packed));
 #define ISIS_LANHELLO_HDRLEN  19
 
@@ -115,16 +104,18 @@ struct isis_lan_hello_hdr {
  * +-------+-------+-------+-------+-------+-------+-------+-------+
  */
 struct isis_p2p_hello_hdr {
-       u_char circuit_t;
-       u_char source_id[ISIS_SYS_ID_LEN];
-       u_int16_t hold_time;
-       u_int16_t pdu_len;
-       u_char local_id;
+       uint8_t circuit_t;
+       uint8_t source_id[ISIS_SYS_ID_LEN];
+       uint16_t hold_time;
+       uint16_t pdu_len;
+       uint8_t local_id;
 } __attribute__((packed));
 #define ISIS_P2PHELLO_HDRLEN 12
 
 #define L1_LINK_STATE        18
 #define L2_LINK_STATE        20
+#define FS_LINK_STATE        10
+#define L2_CIRCUIT_FLOODING_SCOPE 2
 struct isis_lsp_hdr {
        uint16_t pdu_len;
        uint16_t rem_lifetime;
@@ -138,7 +129,7 @@ struct isis_lsp_hdr {
 /*
  * Since the length field of LSP Entries TLV is one byte long, and each LSP
  * entry is LSP_ENTRIES_LEN (16) bytes long, the maximum number of LSP entries
- * can be accomodated in a TLV is
+ * can be accommodated in a TLV is
  * 255 / 16 = 15.
  *
  * Therefore, the maximum length of the LSP Entries TLV is
@@ -161,10 +152,10 @@ struct isis_lsp_hdr {
  * +-------+-------+-------+-------+-------+-------+-------+-------+
  */
 struct isis_complete_seqnum_hdr {
-       u_int16_t pdu_len;
-       u_char source_id[ISIS_SYS_ID_LEN + 1];
-       u_char start_lsp_id[ISIS_SYS_ID_LEN + 2];
-       u_char stop_lsp_id[ISIS_SYS_ID_LEN + 2];
+       uint16_t pdu_len;
+       uint8_t source_id[ISIS_SYS_ID_LEN + 1];
+       uint8_t start_lsp_id[ISIS_SYS_ID_LEN + 2];
+       uint8_t stop_lsp_id[ISIS_SYS_ID_LEN + 2];
 };
 #define ISIS_CSNP_HDRLEN 25
 
@@ -179,8 +170,8 @@ struct isis_complete_seqnum_hdr {
  * +---------------------------------------------------------------+
  */
 struct isis_partial_seqnum_hdr {
-       u_int16_t pdu_len;
-       u_char source_id[ISIS_SYS_ID_LEN + 1];
+       uint16_t pdu_len;
+       uint8_t source_id[ISIS_SYS_ID_LEN + 1];
 };
 #define ISIS_PSNP_HDRLEN 9
 
@@ -191,7 +182,7 @@ struct isis_partial_seqnum_hdr {
 /*
  * Function for receiving IS-IS PDUs
  */
-int isis_receive(struct thread *thread);
+void isis_receive(struct thread *thread);
 
 /*
  * calling arguments for snp_process ()
@@ -204,16 +195,15 @@ int isis_receive(struct thread *thread);
 /*
  * Sending functions
  */
-int send_lan_l1_hello(struct thread *thread);
-int send_lan_l2_hello(struct thread *thread);
-int send_p2p_hello(struct thread *thread);
+void send_hello_sched(struct isis_circuit *circuit, int level, long delay);
 int send_csnp(struct isis_circuit *circuit, int level);
-int send_l1_csnp(struct thread *thread);
-int send_l2_csnp(struct thread *thread);
-int send_l1_psnp(struct thread *thread);
-int send_l2_psnp(struct thread *thread);
-int send_lsp(struct thread *thread);
+void send_l1_csnp(struct thread *thread);
+void send_l2_csnp(struct thread *thread);
+void send_l1_psnp(struct thread *thread);
+void send_l2_psnp(struct thread *thread);
+void send_lsp(struct isis_circuit *circuit,
+             struct isis_lsp *lsp, enum isis_tx_type tx_type);
 void fill_fixed_hdr(uint8_t pdu_type, struct stream *stream);
 int send_hello(struct isis_circuit *circuit, int level);
-
+int isis_handle_pdu(struct isis_circuit *circuit, uint8_t *ssnpa);
 #endif /* _ZEBRA_ISIS_PDU_H */