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eth_lm_dm.h (2989B)

      1 
      2 /*
      3  * 
      4  *
      5  * This license is set out in https://raw.githubusercontent.com/Broadcom-Network-Switching-Software/OpenBCM/master/Legal/LICENSE file.
      6  * 
      7  * Copyright 2007-2020 Broadcom Inc. All rights reserved.
      8  *
      9  * File:    eth_lm_dm.h
     10  * Purpose: ETH_LM_DM definitions common to SDK and uKernel
     11  */
     12 #ifndef __ETH_LM_DM_H__
     13 #define __ETH_LM_DM_H__
     14 #if defined(INCLUDE_ETH_LM_DM)
     15 
     16 #include <bcm/types.h>
     17 #include <soc/uc_msg.h>
     18 #include <soc/shared/mos_msg_common.h>
     19 #include <soc/shared/eth_lm_dm.h>
     20 #include <soc/shared/eth_lm_dm_pkt.h>
     21 #include <soc/shared/eth_lm_dm_msg.h>
     22 #include <soc/shared/eth_lm_dm_pack.h>
     23 
     24 #include <bcm_int/common/rx.h>
     25 
     26 /*
     27  * ETH_LM_DM Encapsulation Definitions
     28  *
     29  * Defines for building the ETH_LM_DM packet encapsulation
     30  */
     31 
     32 #define BCM_ETH_ENDPOINT_MAX_MEP_ID_LENGTH 32
     33 
     34 /**************************************************************************************/
     35 #define _ETH_LM_DM_UC_MSG_TIMEOUT_USECS     5000000
     36 
     37 #define BCM_ETH_ENDPOINT_PASSIVE            0x0004     /* Specifies endpoint
     38                                                           takes passive role */
     39 #define BCM_ETH_ENDPOINT_DEMAND             0x0008     /* Specifies local*/
     40 #define BCM_ETH_ENDPOINT_ENCAP_SET          0x0010     /* Update encapsulation
     41                                                           on existing BFD
     42                                                           endpoint */
     43 /*
     44  * ETH_LM_DM Encapsulation Format Header flags
     45  *
     46  * Indicates the type of headers/labels present in a ETH_LM_DM packet.
     47  */
     48 #define _ETH_LM_DM_ENCAP_PKT_ETH_LM_DM                     (1 << 11)
     49 /*
     50  * Internal flags for ETH_LM_DM.
     51  */
     52 #define _ETH_LM_DM_F_SESSION_IS_SET                        0x00000001
     53 #define _ETH_LM_DM_F_DM_IS_SET                             0x00000002
     54 #define _ETH_LM_DM_F_LM_IS_SET                             0x00000004 
     55 
     56 #define ETH_LMDM_EVENT_THREAD_PRIORITY                     200
     57 
     58 /*
     59  * Macros to pack uint8, uint16, uint32 in Network byte order
     60  */
     61 #define _ETH_LM_DM_ENCAP_PACK_U8(_buf, _var)   SHR_ETH_LM_DM_ENCAP_PACK_U8(_buf, _var)
     62 #define _ETH_LM_DM_ENCAP_PACK_U16(_buf, _var)  SHR_ETH_LM_DM_ENCAP_PACK_U16(_buf, _var)
     63 #define _ETH_LM_DM_ENCAP_PACK_U32(_buf, _var)  SHR_ETH_LM_DM_ENCAP_PACK_U32(_buf, _var)
     64 
     65 
     66 /* VLAN Tag - 802.1Q */
     67 typedef struct _eth_lm_dm_vlan_tag_s {
     68     uint16      tpid;    /* 16: Tag Protocol Identifier */
     69     struct {
     70         uint16   prio:3,    /*  3: Priority Code Point */
     71            		 cfi:1,     /*  1: Canonical Format Indicator */
     72         		 vid:12;     /* 12: Vlan Identifier */
     73     } tci;               /* Tag Control Identifier */
     74 } _eth_lm_dm_vlan_tag_t;
     75 
     76 /* L2 Header */
     77 typedef struct _eth_l2_header_s {
     78     bcm_mac_t    dst_mac;     /* 48: Destination MAC */
     79     bcm_mac_t    src_mac;     /* 48: Source MAC */
     80     _eth_lm_dm_vlan_tag_t  vlan_tag;    /* VLAN Tag */
     81     _eth_lm_dm_vlan_tag_t  inner_vlan_tag; /* VLAN Tag */
     82     uint16       etype;       /* 16: Ether Type */
     83 } _eth_l2_header_t;
     84 
     85 #endif 
     86 #endif