cpu2cpu.h (4657B)
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: cpu2cpu.h 8 * Purpose: 9 */ 10 11 #ifndef _CPUTRANS_CPU2CPU_H_ 12 #define _CPUTRANS_CPU2CPU_H_ 13 14 #include <sdk_config.h> 15 #include <shared/idents.h> 16 17 #include <bcm/types.h> 18 #include <bcm/pkt.h> 19 #include <bcm/tx.h> 20 #include <bcm/rx.h> 21 22 #include <appl/cpudb/cpudb.h> 23 24 25 26 /* Default values for various parameters */ 27 #ifndef C2C_VLAN_DEFAULT 28 #define C2C_VLAN_DEFAULT 1 29 #endif 30 #ifndef C2C_SNAP_MAC_DEFAULT 31 #define C2C_SNAP_MAC_DEFAULT SHARED_BRCM_NTSW_SNAP_MAC 32 #endif 33 #ifndef C2C_SNAP_TYPE_DEFAULT 34 #define C2C_SNAP_TYPE_DEFAULT SHARED_BRCM_NTSW_SNAP_TYPE 35 #endif 36 #define C2C_TRANS_TYPE_DEFAULT SHARED_PKT_TYPE_C2C 37 #ifndef C2C_TRANS_PTR_DEFAULT 38 #define C2C_TRANS_PTR_DEFAULT (&bcm_trans_ptr) 39 #endif 40 #ifndef C2C_SRC_MODID_DEFAULT 41 #define C2C_SRC_MODID_DEFAULT -1 42 #endif 43 44 /* Configuration flags: 45 * 46 * DEST_MAC_CHECK_ENABLE 47 * Normally, when a packet is checked, the destination 48 * MAC address is ignored. It can be checked against 49 * the c2c mac address by setting this flag in c2c_config_set. 50 */ 51 #ifndef C2C_F_DEST_MAC_CHECK_ENABLE 52 #define C2C_F_DEST_MAC_CHECK_ENABLE 0x1 53 #endif 54 55 typedef void (*c2c_cb_f)(uint8 *pkt, void *cookie); 56 57 /**************************************************************** 58 * 59 * C2C driver function type declarations 60 * 61 * c2c_tx_f Transmit a bcm_pkt_t pkt; same prototype as bcm_tx 62 * c2c_alloc_f Allocate a packet buffer 63 * c2c_free_f Free a packet buffer 64 */ 65 66 typedef int (*c2c_tx_f)(int unit, bcm_pkt_t *pkt, void *cookie); 67 typedef uint8 *(*c2c_alloc_f)(int len); 68 typedef void (*c2c_free_f)(uint8 *); 69 70 /**************************************************************** 71 * 72 * Programming requirement: 73 * Must call c2c_config_set before calling any transmit 74 * function. Pass in TX function (like bcm_tx), allocate 75 * and free functions for packet data. 76 */ 77 78 extern int c2c_snap_set(bcm_mac_t new_mac, uint16 new_type, 79 uint16 new_trans_type); 80 extern int c2c_snap_get(bcm_mac_t snap_mac, uint16 *new_type, 81 uint16 *trans_type); 82 83 /* Two alternatives for sending: 84 * c2c_tx: One shot set and tear down 85 * 86 * c2c_pkt_create, [c2c_pkt_update], c2c_pkt_send, c2c_pkt_destroy: 87 * Allows the same packet to be sent multiple times before 88 * tear down. 89 */ 90 91 extern int c2c_tx (cpudb_key_t dest_key, 92 uint8 *pkt_buf, 93 int len, 94 int cos, 95 int vlan, 96 int seg_len, 97 uint16 mplx_num, 98 uint32 ct_flags, 99 c2c_cb_f callback, 100 void *cookie); 101 102 extern bcm_pkt_t * c2c_pkt_create (cpudb_key_t dest_key, 103 uint8 *pkt_buf, 104 int len, 105 int cos, 106 int vlan, 107 int seg_len, 108 uint16 mplx_num, 109 uint32 ct_flags, 110 int *tot_segs, 111 int *rvp); 112 113 extern int c2c_pkt_send (bcm_pkt_t *pkt, 114 c2c_cb_f callback, 115 void *cookie); 116 117 extern int c2c_pkt_update (bcm_pkt_t *pkt, 118 cpudb_key_t dest_key); 119 120 extern void c2c_pkt_destroy (bcm_pkt_t *pkt); 121 122 extern int c2c_pkt_recognize(uint8 *pkt_data, 123 cpudb_key_t *src_key, 124 uint16 *mplx_num); 125 126 extern int c2c_config_get(bcm_trans_ptr_t **trans_ptr, 127 bcm_mac_t local_mac, 128 uint32 *flags); 129 130 extern int c2c_config_set(bcm_trans_ptr_t *trans_ptr, 131 bcm_mac_t local_mac, 132 uint32 flags); 133 134 extern int c2c_cpu_add(const cpudb_entry_t *db_ent); 135 extern int c2c_cpu_remove(const cpudb_key_t key); 136 extern int c2c_cpu_clear(void); 137 extern int c2c_cpu_update(cpudb_ref_t db_ref); 138 extern int c2c_src_mod_set(int src_mod); 139 extern int c2c_src_mod_get(int *src_mod); 140 141 #endif /* _CPUTRANS_CPU2CPU_H_ */