/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2015-2021 Texas Instruments Incorporated - https://www.ti.com */ #ifndef __ICSS_SWITCH_H #define __ICSS_SWITCH_H /* Basic Switch Parameters * Used to auto compute offset addresses on L3 OCMC RAM. Do not modify these * without changing firmware accordingly */ #define SWITCH_BUFFER_SIZE (64 * 1024) /* L3 buffer */ #define ICSS_BLOCK_SIZE 32 /* data bytes per BD */ #define BD_SIZE 4 /* byte buffer descriptor */ #define NUM_QUEUES 4 /* Queues on Port 0/1/2 */ #define PORT_LINK_MASK 0x1 #define PORT_IS_HD_MASK 0x2 /* Physical Port queue size (number of BDs). Same for both ports */ #define QUEUE_1_SIZE 97 /* Network Management high */ #define QUEUE_2_SIZE 97 /* Network Management low */ #define QUEUE_3_SIZE 97 /* Protocol specific */ #define QUEUE_4_SIZE 97 /* NRT (IP,ARP, ICMP) */ /* Host queue size (number of BDs). Each BD points to data buffer of 32 bytes. * HOST PORT QUEUES can buffer up to 4 full sized frames per queue */ #define HOST_QUEUE_1_SIZE 194 /* Protocol and VLAN priority 7 & 6 */ #define HOST_QUEUE_2_SIZE 194 /* Protocol mid */ #define HOST_QUEUE_3_SIZE 194 /* Protocol low */ #define HOST_QUEUE_4_SIZE 194 /* NRT (IP, ARP, ICMP) */ #define COL_QUEUE_SIZE 0 /* NRT Buffer descriptor definition * Each buffer descriptor points to a max 32 byte block and has 32 bit in size * to have atomic operation. * PRU can address bytewise into memory. * Definition of 32 bit descriptor is as follows * * Bits Name Meaning * ============================================================================= * 0..7 Index points to index in buffer queue, max 256 x 32 * byte blocks can be addressed * 6 LookupSuccess For switch, FDB lookup was successful (source * MAC address found in FDB). * For RED, NodeTable lookup was successful. * 7 Flood Packet should be flooded (destination MAC * address found in FDB). For switch only. * 8..12 Block_length number of valid bytes in this specific block. * Will be <=32 bytes on last block of packet * 13 More "More" bit indicating that there are more blocks * 14 Shadow indicates that "index" is pointing into shadow * buffer * 15 TimeStamp indicates that this packet has time stamp in * separate buffer - only needed if PTP runs on * host * 16..17 Port different meaning for ingress and egress, * Ingress: Port = 0 indicates phy port 1 and * Port = 1 indicates phy port 2. * Egress: 0 sends on phy port 1 and 1 sends on * phy port 2. Port = 2 goes over MAC table * look-up * 18..28 Length 11 bit of total packet length which is put into * first BD only so that host access only one BD * 29 VlanTag indicates that packet has Length/Type field of * 0x08100 with VLAN tag in following byte * 30 Broadcast indicates that packet goes out on both physical * ports, there will be two bd but only one buffer * 31 Error indicates there was an error in the packet */ #define PRUETH_BD_START_FLAG_MASK BIT(0) #define PRUETH_BD_START_FLAG_SHIFT 0 #define PRUETH_BD_HSR_FRAME_MASK BIT(4) #define PRUETH_BD_HSR_FRAME_SHIFT 4 #define PRUETH_BD_SUP_HSR_FRAME_MASK BIT(5) #define PRUETH_BD_SUP_HSR_FRAME_SHIFT 5 #define PRUETH_BD_LOOKUP_SUCCESS_MASK BIT(6) #define PRUETH_BD_LOOKUP_SUCCESS_SHIFT 6 #define PRUETH_BD_SW_FLOOD_MASK BIT(7) #define PRUETH_BD_SW_FLOOD_SHIFT 7 #define PRUETH_BD_SHADOW_MASK BIT(14) #define PRUETH_BD_SHADOW_SHIFT 14 #define PRUETH_BD_TIMESTAMP_MASK BIT(15) #define PRUETH_BD_TIMESTAMP_SHIFT 15 #define PRUETH_BD_PORT_MASK GENMASK(17, 16) #define PRUETH_BD_PORT_SHIFT 16 #define PRUETH_BD_LENGTH_MASK GENMASK(28, 18) #define PRUETH_BD_LENGTH_SHIFT 18 #define PRUETH_BD_BROADCAST_MASK BIT(30) #define PRUETH_BD_BROADCAST_SHIFT 30 #define PRUETH_BD_ERROR_MASK BIT(31) #define PRUETH_BD_ERROR_SHIFT 31 /* The following offsets indicate which sections of the memory are used * for EMAC internal tasks */ #define DRAM_START_OFFSET 0x1E98 #define SRAM_START_OFFSET 0x400 /* General Purpose Statistics * These are present on both PRU0 and PRU1 DRAM */ /* base statistics offset */ #define STATISTICS_OFFSET 0x1F00 #define STAT_SIZE 0x98 /* The following offsets indicate which sections of the memory are used * for switch internal tasks */ #define SWITCH_SPECIFIC_DRAM0_START_SIZE 0x100 #define SWITCH_SPECIFIC_DRAM0_START_OFFSET 0x1F00 #define SWITCH_SPECIFIC_DRAM1_START_SIZE 0x300 #define SWITCH_SPECIFIC_DRAM1_START_OFFSET 0x1D00 /* Offset for storing * 1. Storm Prevention Params * 2. PHY Speed Offset * 3. Port Status Offset * These are present on both PRU0 and PRU1 */ /* 4 bytes */ #define STORM_PREVENTION_OFFSET_BC (STATISTICS_OFFSET + STAT_SIZE) /* 4 bytes */ #define PHY_SPEED_OFFSET (STATISTICS_OFFSET + STAT_SIZE + 4) /* 1 byte */ #define PORT_STATUS_OFFSET (STATISTICS_OFFSET + STAT_SIZE + 8) /* 1 byte */ #define COLLISION_COUNTER (STATISTICS_OFFSET + STAT_SIZE + 9) /* 4 bytes */ #define RX_PKT_SIZE_OFFSET (STATISTICS_OFFSET + STAT_SIZE + 10) /* 4 bytes */ #define PORT_CONTROL_ADDR (STATISTICS_OFFSET + STAT_SIZE + 14) /* 6 bytes */ #define PORT_MAC_ADDR (STATISTICS_OFFSET + STAT_SIZE + 18) /* 1 byte */ #define RX_INT_STATUS_OFFSET (STATISTICS_OFFSET + STAT_SIZE + 24) /* 4 bytes */ #define STORM_PREVENTION_OFFSET_MC (STATISTICS_OFFSET + STAT_SIZE + 25) /* 4 bytes */ #define STORM_PREVENTION_OFFSET_UC (STATISTICS_OFFSET + STAT_SIZE + 29) /* 4 bytes ? */ #define STP_INVALID_STATE_OFFSET (STATISTICS_OFFSET + STAT_SIZE + 33) /* DRAM1 Offsets for Switch */ /* 4 queue descriptors for port 0 (host receive) */ #define P0_QUEUE_DESC_OFFSET 0x1E7C #define P1_QUEUE_DESC_OFFSET 0x1E9C #define P2_QUEUE_DESC_OFFSET 0x1EBC /* collision descriptor of port 0 */ #define P0_COL_QUEUE_DESC_OFFSET 0x1E64 #define P1_COL_QUEUE_DESC_OFFSET 0x1E6C #define P2_COL_QUEUE_DESC_OFFSET 0x1E74 /* Collision Status Register * P0: bit 0 is pending flag, bit 1..2 indicates which queue, * P1: bit 8 is pending flag, 9..10 is queue number * P2: bit 16 is pending flag, 17..18 is queue number, remaining bits are 0. */ #define COLLISION_STATUS_ADDR 0x1E60 #define INTERFACE_MAC_ADDR 0x1E58 #define P2_MAC_ADDR 0x1E50 #define P1_MAC_ADDR 0x1E48 #define QUEUE_SIZE_ADDR 0x1E30 #define QUEUE_OFFSET_ADDR 0x1E18 #define QUEUE_DESCRIPTOR_OFFSET_ADDR 0x1E00 #define COL_RX_CONTEXT_P2_OFFSET_ADDR (COL_RX_CONTEXT_P1_OFFSET_ADDR + 12) #define COL_RX_CONTEXT_P1_OFFSET_ADDR (COL_RX_CONTEXT_P0_OFFSET_ADDR + 12) #define COL_RX_CONTEXT_P0_OFFSET_ADDR (P2_Q4_RX_CONTEXT_OFFSET + 8) /* Port 2 Rx Context */ #define P2_Q4_RX_CONTEXT_OFFSET (P2_Q3_RX_CONTEXT_OFFSET + 8) #define P2_Q3_RX_CONTEXT_OFFSET (P2_Q2_RX_CONTEXT_OFFSET + 8) #define P2_Q2_RX_CONTEXT_OFFSET (P2_Q1_RX_CONTEXT_OFFSET + 8) #define P2_Q1_RX_CONTEXT_OFFSET RX_CONTEXT_P2_Q1_OFFSET_ADDR #define RX_CONTEXT_P2_Q1_OFFSET_ADDR (P1_Q4_RX_CONTEXT_OFFSET + 8) /* Port 1 Rx Context */ #define P1_Q4_RX_CONTEXT_OFFSET (P1_Q3_RX_CONTEXT_OFFSET + 8) #define P1_Q3_RX_CONTEXT_OFFSET (P1_Q2_RX_CONTEXT_OFFSET + 8) #define P1_Q2_RX_CONTEXT_OFFSET (P1_Q1_RX_CONTEXT_OFFSET + 8) #define P1_Q1_RX_CONTEXT_OFFSET (RX_CONTEXT_P1_Q1_OFFSET_ADDR) #define RX_CONTEXT_P1_Q1_OFFSET_ADDR (P0_Q4_RX_CONTEXT_OFFSET + 8) /* Host Port Rx Context */ #define P0_Q4_RX_CONTEXT_OFFSET (P0_Q3_RX_CONTEXT_OFFSET + 8) #define P0_Q3_RX_CONTEXT_OFFSET (P0_Q2_RX_CONTEXT_OFFSET + 8) #define P0_Q2_RX_CONTEXT_OFFSET (P0_Q1_RX_CONTEXT_OFFSET + 8) #define P0_Q1_RX_CONTEXT_OFFSET RX_CONTEXT_P0_Q1_OFFSET_ADDR #define RX_CONTEXT_P0_Q1_OFFSET_ADDR (COL_TX_CONTEXT_P2_Q1_OFFSET_ADDR + 8) /* Port 2 Tx Collision Context */ #define COL_TX_CONTEXT_P2_Q1_OFFSET_ADDR (COL_TX_CONTEXT_P1_Q1_OFFSET_ADDR + 8) /* Port 1 Tx Collision Context */ #define COL_TX_CONTEXT_P1_Q1_OFFSET_ADDR (P2_Q4_TX_CONTEXT_OFFSET + 8) /* Port 2 */ #define P2_Q4_TX_CONTEXT_OFFSET (P2_Q3_TX_CONTEXT_OFFSET + 8) #define P2_Q3_TX_CONTEXT_OFFSET (P2_Q2_TX_CONTEXT_OFFSET + 8) #define P2_Q2_TX_CONTEXT_OFFSET (P2_Q1_TX_CONTEXT_OFFSET + 8) #define P2_Q1_TX_CONTEXT_OFFSET TX_CONTEXT_P2_Q1_OFFSET_ADDR #define TX_CONTEXT_P2_Q1_OFFSET_ADDR (P1_Q4_TX_CONTEXT_OFFSET + 8) /* Port 1 */ #define P1_Q4_TX_CONTEXT_OFFSET (P1_Q3_TX_CONTEXT_OFFSET + 8) #define P1_Q3_TX_CONTEXT_OFFSET (P1_Q2_TX_CONTEXT_OFFSET + 8) #define P1_Q2_TX_CONTEXT_OFFSET (P1_Q1_TX_CONTEXT_OFFSET + 8) #define P1_Q1_TX_CONTEXT_OFFSET TX_CONTEXT_P1_Q1_OFFSET_ADDR #define TX_CONTEXT_P1_Q1_OFFSET_ADDR SWITCH_SPECIFIC_DRAM1_START_OFFSET /* DRAM Offsets for EMAC * Present on Both DRAM0 and DRAM1 */ /* 4 queue descriptors for port tx = 32 bytes */ #define TX_CONTEXT_Q1_OFFSET_ADDR (PORT_QUEUE_DESC_OFFSET + 32) #define PORT_QUEUE_DESC_OFFSET (ICSS_EMAC_TTS_CYC_TX_SOF + 8) /* EMAC Time Triggered Send Offsets */ #define ICSS_EMAC_TTS_CYC_TX_SOF (ICSS_EMAC_TTS_PREV_TX_SOF + 8) #define ICSS_EMAC_TTS_PREV_TX_SOF \ (ICSS_EMAC_TTS_MISSED_CYCLE_CNT_OFFSET + 4) #define ICSS_EMAC_TTS_MISSED_CYCLE_CNT_OFFSET (ICSS_EMAC_TTS_STATUS_OFFSET \ + 4) #define ICSS_EMAC_TTS_STATUS_OFFSET (ICSS_EMAC_TTS_CFG_TIME_OFFSET + 4) #define ICSS_EMAC_TTS_CFG_TIME_OFFSET (ICSS_EMAC_TTS_CYCLE_PERIOD_OFFSET + 4) #define ICSS_EMAC_TTS_CYCLE_PERIOD_OFFSET \ (ICSS_EMAC_TTS_CYCLE_START_OFFSET + 8) #define ICSS_EMAC_TTS_CYCLE_START_OFFSET ICSS_EMAC_TTS_BASE_OFFSET #define ICSS_EMAC_TTS_BASE_OFFSET DRAM_START_OFFSET /* Shared RAM offsets for EMAC */ /* Queue Descriptors */ /* 4 queue descriptors for port 0 (host receive). 32 bytes */ #define HOST_QUEUE_DESC_OFFSET (HOST_QUEUE_SIZE_ADDR + 16) /* table offset for queue size: * 3 ports * 4 Queues * 1 byte offset = 12 bytes */ #define HOST_QUEUE_SIZE_ADDR (HOST_QUEUE_OFFSET_ADDR + 8) /* table offset for queue: * 4 Queues * 2 byte offset = 8 bytes */ #define HOST_QUEUE_OFFSET_ADDR (HOST_QUEUE_DESCRIPTOR_OFFSET_ADDR + 8) /* table offset for Host queue descriptors: * 1 ports * 4 Queues * 2 byte offset = 8 bytes */ #define HOST_QUEUE_DESCRIPTOR_OFFSET_ADDR (HOST_Q4_RX_CONTEXT_OFFSET + 8) /* Host Port Rx Context */ #define HOST_Q4_RX_CONTEXT_OFFSET (HOST_Q3_RX_CONTEXT_OFFSET + 8) #define HOST_Q3_RX_CONTEXT_OFFSET (HOST_Q2_RX_CONTEXT_OFFSET + 8) #define HOST_Q2_RX_CONTEXT_OFFSET (HOST_Q1_RX_CONTEXT_OFFSET + 8) #define HOST_Q1_RX_CONTEXT_OFFSET (EMAC_PROMISCUOUS_MODE_OFFSET + 4) /* Promiscuous mode control */ #define EMAC_P1_PROMISCUOUS_BIT BIT(0) #define EMAC_P2_PROMISCUOUS_BIT BIT(1) #define EMAC_PROMISCUOUS_MODE_OFFSET (EMAC_RESERVED + 4) #define EMAC_RESERVED EOF_48K_BUFFER_BD /* allow for max 48k buffer which spans the descriptors up to 0x1800 6kB */ #define EOF_48K_BUFFER_BD (P0_BUFFER_DESC_OFFSET + HOST_BD_SIZE + \ PORT_BD_SIZE) #define HOST_BD_SIZE ((HOST_QUEUE_1_SIZE + \ HOST_QUEUE_2_SIZE + HOST_QUEUE_3_SIZE + \ HOST_QUEUE_4_SIZE) * BD_SIZE) #define PORT_BD_SIZE ((QUEUE_1_SIZE + QUEUE_2_SIZE + \ QUEUE_3_SIZE + QUEUE_4_SIZE) * 2 * BD_SIZE) #define END_OF_BD_POOL (P2_Q4_BD_OFFSET + QUEUE_4_SIZE * BD_SIZE) #define P2_Q4_BD_OFFSET (P2_Q3_BD_OFFSET + QUEUE_3_SIZE * BD_SIZE) #define P2_Q3_BD_OFFSET (P2_Q2_BD_OFFSET + QUEUE_2_SIZE * BD_SIZE) #define P2_Q2_BD_OFFSET (P2_Q1_BD_OFFSET + QUEUE_1_SIZE * BD_SIZE) #define P2_Q1_BD_OFFSET (P1_Q4_BD_OFFSET + QUEUE_4_SIZE * BD_SIZE) #define P1_Q4_BD_OFFSET (P1_Q3_BD_OFFSET + QUEUE_3_SIZE * BD_SIZE) #define P1_Q3_BD_OFFSET (P1_Q2_BD_OFFSET + QUEUE_2_SIZE * BD_SIZE) #define P1_Q2_BD_OFFSET (P1_Q1_BD_OFFSET + QUEUE_1_SIZE * BD_SIZE) #define P1_Q1_BD_OFFSET (P0_Q4_BD_OFFSET + HOST_QUEUE_4_SIZE * BD_SIZE) #define P0_Q4_BD_OFFSET (P0_Q3_BD_OFFSET + HOST_QUEUE_3_SIZE * BD_SIZE) #define P0_Q3_BD_OFFSET (P0_Q2_BD_OFFSET + HOST_QUEUE_2_SIZE * BD_SIZE) #define P0_Q2_BD_OFFSET (P0_Q1_BD_OFFSET + HOST_QUEUE_1_SIZE * BD_SIZE) #define P0_Q1_BD_OFFSET P0_BUFFER_DESC_OFFSET #define P0_BUFFER_DESC_OFFSET SRAM_START_OFFSET /* Memory Usage of L3 OCMC RAM */ /* L3 64KB Memory - mainly buffer Pool */ #define END_OF_BUFFER_POOL (P2_Q4_BUFFER_OFFSET + QUEUE_4_SIZE * \ ICSS_BLOCK_SIZE) #define P2_Q4_BUFFER_OFFSET (P2_Q3_BUFFER_OFFSET + QUEUE_3_SIZE * \ ICSS_BLOCK_SIZE) #define P2_Q3_BUFFER_OFFSET (P2_Q2_BUFFER_OFFSET + QUEUE_2_SIZE * \ ICSS_BLOCK_SIZE) #define P2_Q2_BUFFER_OFFSET (P2_Q1_BUFFER_OFFSET + QUEUE_1_SIZE * \ ICSS_BLOCK_SIZE) #define P2_Q1_BUFFER_OFFSET (P1_Q4_BUFFER_OFFSET + QUEUE_4_SIZE * \ ICSS_BLOCK_SIZE) #define P1_Q4_BUFFER_OFFSET (P1_Q3_BUFFER_OFFSET + QUEUE_3_SIZE * \ ICSS_BLOCK_SIZE) #define P1_Q3_BUFFER_OFFSET (P1_Q2_BUFFER_OFFSET + QUEUE_2_SIZE * \ ICSS_BLOCK_SIZE) #define P1_Q2_BUFFER_OFFSET (P1_Q1_BUFFER_OFFSET + QUEUE_1_SIZE * \ ICSS_BLOCK_SIZE) #define P1_Q1_BUFFER_OFFSET (P0_Q4_BUFFER_OFFSET + HOST_QUEUE_4_SIZE * \ ICSS_BLOCK_SIZE) #define P0_Q4_BUFFER_OFFSET (P0_Q3_BUFFER_OFFSET + HOST_QUEUE_3_SIZE * \ ICSS_BLOCK_SIZE) #define P0_Q3_BUFFER_OFFSET (P0_Q2_BUFFER_OFFSET + HOST_QUEUE_2_SIZE * \ ICSS_BLOCK_SIZE) #define P0_Q2_BUFFER_OFFSET (P0_Q1_BUFFER_OFFSET + HOST_QUEUE_1_SIZE * \ ICSS_BLOCK_SIZE) #define P0_COL_BUFFER_OFFSET 0xEE00 #define P0_Q1_BUFFER_OFFSET 0x0000 #define V2_1_FDB_TBL_LOC PRUETH_MEM_SHARED_RAM #define V2_1_FDB_TBL_OFFSET 0x2000 #define FDB_INDEX_TBL_MAX_ENTRIES 256 #define FDB_MAC_TBL_MAX_ENTRIES 256 #define FDB_INDEX_TBL_OFFSET V2_1_FDB_TBL_OFFSET #define FDB_INDEX_TBL_SIZE (FDB_INDEX_TBL_MAX_ENTRIES * \ sizeof(struct fdb_index_tbl_entry)) #define FDB_MAC_TBL_OFFSET (FDB_INDEX_TBL_OFFSET + FDB_INDEX_TBL_SIZE) #define FDB_MAC_TBL_SIZE (FDB_MAC_TBL_MAX_ENTRIES * \ sizeof(struct fdb_mac_tbl_entry)) #define FDB_PORT1_STP_CFG_OFFSET (FDB_MAC_TBL_OFFSET + FDB_MAC_TBL_SIZE) #define FDB_PORT_STP_CFG_SIZE sizeof(struct fdb_stp_config) #define FDB_PORT2_STP_CFG_OFFSET (FDB_PORT1_STP_CFG_OFFSET + \ FDB_PORT_STP_CFG_SIZE) #define FDB_FLOOD_ENABLE_FLAGS_OFFSET (FDB_PORT2_STP_CFG_OFFSET + \ FDB_PORT_STP_CFG_SIZE) #define FDB_FLOOD_ENABLE_FLAGS_SIZE sizeof(struct fdb_flood_config) #define FDB_LOCKS_OFFSET (FDB_FLOOD_ENABLE_FLAGS_OFFSET + \ FDB_FLOOD_ENABLE_FLAGS_SIZE) #endif /* __ICSS_SWITCH_H */
