openbcm

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alpm_cmn.c (3623B)

      1 /*
      2  * This license is set out in https://raw.githubusercontent.com/Broadcom-Network-Switching-Software/OpenBCM/master/Legal/LICENSE file.
      3  * 
      4  * Copyright 2007-2019 Broadcom Inc. All rights reserved.
      5  * 
      6  * File:    alpm_common.c
      7  * Purpose: ALPM common code.
      8  * Requires:
      9  */
     10 
     11 /* Implementation notes:
     12  */
     13 #include <shared/bsl.h>
     14 
     15 #include <soc/mem.h>
     16 #include <soc/drv.h>
     17 #include <soc/debug.h>
     18 #include <soc/error.h>
     19 #include <soc/lpm.h>
     20 #include <soc/trident2.h>
     21 #include <soc/tomahawk.h>
     22 #include <soc/trident3.h>
     23 #include <soc/apache.h>
     24 #include <soc/monterey.h>
     25 #include <shared/bsl.h>
     26 
     27 #ifdef ALPM_ENABLE
     28 #if defined(BCM_TOMAHAWK_SUPPORT) || defined(BCM_APACHE_SUPPORT)
     29 
     30 #include <shared/util.h>
     31 #include <shared/l3.h>
     32 #include <soc/alpm.h>
     33 #include <soc/esw/alpm_int.h>
     34 #include <soc/esw/trie.h>
     35 
     36 /* returns 0 for Combined Search mode and 1 for Parallel Search mode,
     37  * 2 for TCAM/ALPM mode, equals to L3_DEFIP_RPF_CONTROLr.LOOKUP_MODEf value
     38  */
     39 int
     40 soc_alpm_cmn_mode_get(int unit)
     41 {
     42     int mode = 0;
     43 
     44     /* 'mode' here equals to l3_alpm_enable config property value */
     45 #if defined(BCM_APACHE_SUPPORT)
     46     if (SOC_IS_APACHE(unit)) {
     47         mode = soc_apache_alpm_mode_get(unit);
     48     }
     49 #endif
     50 #if defined(BCM_TOMAHAWK_SUPPORT)
     51     if (SOC_IS_TOMAHAWKX(unit)) {
     52         mode = soc_tomahawk_alpm_mode_get(unit);
     53     }
     54 #endif
     55 #if defined(BCM_TRIDENT3_SUPPORT)
     56     if (SOC_IS_TRIDENT3X(unit)) {
     57         mode = soc_trident3_alpm_mode_get(unit);
     58     }
     59 #endif
     60     switch (mode) {
     61     case 1:     /* Parallel mode */
     62         return SOC_ALPM_MODE_PARALLEL;
     63     case 3:     /* TCAM/ALPM mode */
     64         return SOC_ALPM_MODE_TCAM_ALPM;
     65     case 2:
     66     default:    /* Combined mode */
     67         return SOC_ALPM_MODE_COMBINED;
     68     }
     69 
     70     return SOC_ALPM_MODE_COMBINED;
     71 }
     72 
     73 int soc_alpm_cmn_banks_get(int unit)
     74 {
     75     int banks = 0;
     76 #if defined(BCM_APACHE_SUPPORT)
     77     if (SOC_IS_APACHE(unit)) {
     78         banks = soc_apache_get_alpm_banks(unit);
     79     }
     80 #endif
     81 #if defined(BCM_TOMAHAWK_SUPPORT)
     82     if (SOC_IS_TOMAHAWKX(unit)) {
     83         banks = soc_th_get_alpm_banks(unit);
     84     }
     85 #endif
     86 #if defined(BCM_TRIDENT3_SUPPORT)
     87     if (SOC_IS_TRIDENT3X(unit)) {
     88         banks = soc_trident3_get_alpm_banks(unit);
     89     }
     90 #endif
     91 
     92     return banks;
     93 }
     94 
     95 #endif /* TOMAHAWK APACHE */
     96 #endif /* ALPM_ENABLE */
     97 
     98 void soc_alpm_cmn_bkt_view_set(int unit, int index, soc_mem_t view)
     99 {
    100 #if defined(BCM_APACHE_SUPPORT)
    101     if (SOC_IS_APACHE(unit)) {
    102         _soc_apache_alpm_bkt_view_set(unit, index, view);
    103     }
    104 #endif
    105 #if defined(BCM_TOMAHAWK_SUPPORT)
    106     if (SOC_IS_TOMAHAWKX(unit)) {
    107         _soc_tomahawk_alpm_bkt_view_set(unit, index, view);
    108     }
    109 #endif
    110 #if defined(BCM_TRIDENT3_SUPPORT)
    111     if (SOC_IS_TRIDENT3X(unit) && !SOC_IS_HELIX5(unit)) {
    112         _soc_trident3_alpm_bkt_view_set(unit, index, view);
    113     }
    114 #endif
    115 }
    116 
    117 soc_mem_t soc_alpm_cmn_bkt_view_get(int unit, int index)
    118 {
    119     soc_mem_t mem = INVALIDm;
    120 #if defined(BCM_APACHE_SUPPORT)
    121     if (SOC_IS_APACHE(unit)) {
    122         mem = _soc_apache_alpm_bkt_view_get(unit, index);
    123     }
    124 #endif
    125 #if defined(BCM_TOMAHAWK_SUPPORT)
    126     if (SOC_IS_TOMAHAWKX(unit)) {
    127         mem = _soc_tomahawk_alpm_bkt_view_get(unit, index);
    128     }
    129 #endif
    130 #if defined(BCM_TRIDENT3_SUPPORT)
    131     if (SOC_IS_TRIDENT3X(unit) && !SOC_IS_HELIX5(unit)) {
    132         mem = _soc_trident3_alpm_bkt_view_get(unit, index);
    133     }
    134 #endif
    135 
    136     return mem;
    137 }
    138 
    139 int
    140 soc_alpm_l3_defip_index_map(int unit, soc_mem_t mem, int index)
    141 {
    142     return soc_trident2_l3_defip_index_map(unit, mem, index);
    143 }
    144 
    145 int
    146 soc_alpm_l3_defip_index_remap(int unit, soc_mem_t mem, int index)
    147 {
    148     return soc_trident2_l3_defip_index_remap(unit, mem, index);
    149 }
    150