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topo_pkt.h (2115B)

      1 /*
      2  * 
      3  * This license is set out in https://raw.githubusercontent.com/Broadcom-Network-Switching-Software/OpenBCM/master/Legal/LICENSE file.
      4  * 
      5  * Copyright 2007-2020 Broadcom Inc. All rights reserved.
      6  *
      7  * File:        topo_pkt.h
      8  * Purpose:     
      9  */
     10 
     11 #ifndef   _STKTASK_TOPO_PKT_H_
     12 #define   _STKTASK_TOPO_PKT_H_
     13 
     14 #include <sdk_config.h>
     15 
     16 /****************************************************************
     17  *
     18  * Topology packet format description
     19  *
     20  * See topology.txt for more information.
     21  */
     22 
     23 #define TOPO_PKT_VERSION              0
     24 
     25 /* These are relative to start of topo packet, post CPUTRANS header */
     26 #define TOPO_VER_OFS                  0
     27 #define TOPO_RSVD_OFS                 (TOPO_VER_OFS + sizeof(uint32))
     28 #define TOPO_MSEQ_NUM_OFS             (TOPO_RSVD_OFS + sizeof(uint32))
     29 #define TOPO_BASE_LEN_OFS             (TOPO_MSEQ_NUM_OFS + sizeof(uint32))
     30 #define TOPO_FLAGS_OFS                (TOPO_BASE_LEN_OFS + sizeof(uint32))
     31 #define TOPO_MOD_IDS_OFS              (TOPO_FLAGS_OFS + sizeof(uint32))
     32 #define TOPO_HEADER_BYTES(_units)  \
     33     (TOPO_MOD_IDS_OFS + (_units) * sizeof(uint32))
     34 #define TOPO_CMP_START_OFS            TOPO_MOD_IDS_OFS
     35 
     36 #ifndef TOPO_PKT_BYTES_MAX
     37 #define TOPO_PKT_BYTES_MAX (1500) /* Max supported topo pkt size */
     38 #endif
     39 
     40 #define BCM_ST_TOPO_CLIENT_ID SHARED_CLIENT_ID_TOPOLOGY
     41 
     42 /* Topo packet and stack task related API functions */
     43 
     44 extern int topo_pkt_handle_init(uint32 topo_atp_flags);
     45 extern int topo_pkt_expect_set(int enable);
     46 extern int bcm_stack_topo_update(cpudb_ref_t db_ref);
     47 extern int bcm_stack_topo_create(cpudb_ref_t db_ref, topo_cpu_t *tp_cpu);
     48 
     49 extern int topo_pkt_gen(
     50     cpudb_ref_t db_ref,
     51     cpudb_entry_t *entry,
     52     uint8 *pkt_data,
     53     int len,
     54     int *packed_bytes);
     55 
     56 extern int topo_pkt_parse(
     57     cpudb_ref_t db_ref,
     58     cpudb_entry_t *entry,
     59     uint8 *topo_data,
     60     int len,
     61     topo_cpu_t *tp_cpu,
     62     int *ap_data_ofs);
     63 
     64 extern int topo_delay_set(int delay_us);
     65 extern int topo_delay_get(int *delay_us);
     66 
     67 extern int topo_master_delay_set(int delay_us);
     68 extern int topo_master_delay_get(int *delay_us);
     69 
     70 #endif /* _STKTASK_TOPO_PKT_H_ */