/* SPDX-License-Identifier: GPL-2.0 */ /* Texas Instruments ICSSG Ethernet driver * * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ * */ #ifndef __NET_TI_ICSSG_CONFIG_H #define __NET_TI_ICSSG_CONFIG_H struct icssg_buffer_pool_cfg { __le32 addr; __le32 len; } __packed; struct icssg_flow_cfg { __le16 rx_base_flow; __le16 mgm_base_flow; } __packed; #define PRUETH_PKT_TYPE_CMD 0x10 #define PRUETH_NAV_PS_DATA_SIZE 16 /* Protocol specific data size */ #define PRUETH_NAV_SW_DATA_SIZE 16 /* SW related data size */ #define PRUETH_MAX_TX_DESC 512 #define PRUETH_MAX_RX_DESC 512 #define PRUETH_MAX_RX_FLOWS 1 /* excluding default flow */ #define PRUETH_RX_FLOW_DATA 0 #define PRUETH_EMAC_BUF_POOL_SIZE SZ_8K #define PRUETH_EMAC_POOLS_PER_SLICE 24 #define PRUETH_EMAC_BUF_POOL_START 8 #define PRUETH_NUM_BUF_POOLS 8 #define PRUETH_EMAC_RX_CTX_BUF_SIZE SZ_16K /* per slice */ #define MSMC_RAM_SIZE \ (2 * (PRUETH_EMAC_BUF_POOL_SIZE * PRUETH_NUM_BUF_POOLS + \ PRUETH_EMAC_RX_CTX_BUF_SIZE * 2)) #define PRUETH_SW_BUF_POOL_SIZE_HOST SZ_4K #define PRUETH_SW_NUM_BUF_POOLS_HOST 8 #define PRUETH_SW_NUM_BUF_POOLS_PER_PRU 4 #define MSMC_RAM_SIZE_SWITCH_MODE \ (MSMC_RAM_SIZE + \ (2 * PRUETH_SW_BUF_POOL_SIZE_HOST * PRUETH_SW_NUM_BUF_POOLS_HOST)) #define PRUETH_SWITCH_FDB_MASK ((SIZE_OF_FDB / NUMBER_OF_FDB_BUCKET_ENTRIES) - 1) struct icssg_rxq_ctx { __le32 start[3]; __le32 end; } __packed; /* Load time Fiwmware Configuration */ #define ICSSG_FW_MGMT_CMD_HEADER 0x81 #define ICSSG_FW_MGMT_FDB_CMD_TYPE 0x03 #define ICSSG_FW_MGMT_CMD_TYPE 0x04 #define ICSSG_FW_MGMT_PKT 0x80000000 struct icssg_r30_cmd { u32 cmd[4]; } __packed; enum icssg_port_state_cmd { ICSSG_EMAC_PORT_DISABLE = 0, ICSSG_EMAC_PORT_BLOCK, ICSSG_EMAC_PORT_FORWARD, ICSSG_EMAC_PORT_FORWARD_WO_LEARNING, ICSSG_EMAC_PORT_ACCEPT_ALL, ICSSG_EMAC_PORT_ACCEPT_TAGGED, ICSSG_EMAC_PORT_ACCEPT_UNTAGGED_N_PRIO, ICSSG_EMAC_PORT_TAS_TRIGGER, ICSSG_EMAC_PORT_TAS_ENABLE, ICSSG_EMAC_PORT_TAS_RESET, ICSSG_EMAC_PORT_TAS_DISABLE, ICSSG_EMAC_PORT_UC_FLOODING_ENABLE, ICSSG_EMAC_PORT_UC_FLOODING_DISABLE, ICSSG_EMAC_PORT_MC_FLOODING_ENABLE, ICSSG_EMAC_PORT_MC_FLOODING_DISABLE, ICSSG_EMAC_PORT_PREMPT_TX_ENABLE, ICSSG_EMAC_PORT_PREMPT_TX_DISABLE, ICSSG_EMAC_PORT_VLAN_AWARE_ENABLE, ICSSG_EMAC_PORT_VLAN_AWARE_DISABLE, ICSSG_EMAC_PORT_MAX_COMMANDS }; #define EMAC_NONE 0xffff0000 #define EMAC_PRU0_P_DI 0xffff0004 #define EMAC_PRU1_P_DI 0xffff0040 #define EMAC_TX_P_DI 0xffff0100 #define EMAC_PRU0_P_EN 0xfffb0000 #define EMAC_PRU1_P_EN 0xffbf0000 #define EMAC_TX_P_EN 0xfeff0000 #define EMAC_P_BLOCK 0xffff0040 #define EMAC_TX_P_BLOCK 0xffff0200 #define EMAC_P_UNBLOCK 0xffbf0000 #define EMAC_TX_P_UNBLOCK 0xfdff0000 #define EMAC_LEAN_EN 0xfff70000 #define EMAC_LEAN_DI 0xffff0008 #define EMAC_ACCEPT_ALL 0xffff0001 #define EMAC_ACCEPT_TAG 0xfffe0002 #define EMAC_ACCEPT_PRIOR 0xfffc0000 /* Config area lies in DRAM */ #define ICSSG_CONFIG_OFFSET 0x0 /* Config area lies in shared RAM */ #define ICSSG_CONFIG_OFFSET_SLICE0 0 #define ICSSG_CONFIG_OFFSET_SLICE1 0x8000 #define ICSSG_NUM_NORMAL_PDS 64 #define ICSSG_NUM_SPECIAL_PDS 16 #define ICSSG_NORMAL_PD_SIZE 8 #define ICSSG_SPECIAL_PD_SIZE 20 #define ICSSG_FLAG_MASK 0xff00ffff /* SR1.0-specific bits */ #define PRUETH_MAX_RX_FLOWS_SR1 4 /* excluding default flow */ #define PRUETH_RX_FLOW_DATA_SR1 3 /* highest priority flow */ #define PRUETH_MAX_RX_MGM_DESC_SR1 8 #define PRUETH_MAX_RX_MGM_FLOWS_SR1 2 /* excluding default flow */ #define PRUETH_RX_MGM_FLOW_RESPONSE_SR1 0 #define PRUETH_RX_MGM_FLOW_TIMESTAMP_SR1 1 #define PRUETH_NUM_BUF_POOLS_SR1 16 #define PRUETH_EMAC_BUF_POOL_START_SR1 8 #define PRUETH_EMAC_BUF_POOL_MIN_SIZE_SR1 128 #define PRUETH_EMAC_BUF_SIZE_SR1 1536 #define PRUETH_EMAC_NUM_BUF_SR1 4 #define PRUETH_EMAC_BUF_POOL_SIZE_SR1 (PRUETH_EMAC_NUM_BUF_SR1 * \ PRUETH_EMAC_BUF_SIZE_SR1) #define MSMC_RAM_SIZE_SR1 (SZ_64K + SZ_32K + SZ_2K) /* 0x1880 x 8 x 2 */ struct icssg_sr1_config { __le32 status; /* Firmware status */ __le32 addr_lo; /* MSMC Buffer pool base address low. */ __le32 addr_hi; /* MSMC Buffer pool base address high. Must be 0 */ __le32 tx_buf_sz[16]; /* Array of buffer pool sizes */ __le32 num_tx_threads; /* Number of active egress threads, 1 to 4 */ __le32 tx_rate_lim_en; /* Bitmask: Egress rate limit en per thread */ __le32 rx_flow_id; /* RX flow id for first rx ring */ __le32 rx_mgr_flow_id; /* RX flow id for the first management ring */ __le32 flags; /* TBD */ __le32 n_burst; /* for debug */ __le32 rtu_status; /* RTU status */ __le32 info; /* reserved */ __le32 reserve; __le32 rand_seed; /* Used for the random number generation at fw */ } __packed; /* SR1.0 shutdown command to stop processing at firmware. * Command format: 0x8101ss00, where * - ss: sequence number. Currently not used by driver. */ #define ICSSG_SHUTDOWN_CMD_SR1 0x81010000 /* SR1.0 pstate speed/duplex command to set speed and duplex settings * in firmware. * Command format: 0x8102ssPN, where * - ss: sequence number. Currently not used by driver. * - P: port number (for switch mode). * - N: Speed/Duplex state: * 0x0 - 10Mbps/Half duplex; * 0x8 - 10Mbps/Full duplex; * 0x2 - 100Mbps/Half duplex; * 0xa - 100Mbps/Full duplex; * 0xc - 1Gbps/Full duplex; * NOTE: The above are the same value as bits [3..1](slice 0) * or bits [7..5](slice 1) of RGMII CFG register. */ #define ICSSG_PSTATE_SPEED_DUPLEX_CMD_SR1 0x81020000 struct icssg_setclock_desc { u8 request; u8 restore; u8 acknowledgment; u8 cmp_status; u32 margin; u32 cyclecounter0_set; u32 cyclecounter1_set; u32 iepcount_set; u32 rsvd1; u32 rsvd2; u32 CMP0_current; u32 iepcount_current; u32 difference; u32 cyclecounter0_new; u32 cyclecounter1_new; u32 CMP0_new; } __packed; #define ICSSG_CMD_POP_SLICE0 56 #define ICSSG_CMD_POP_SLICE1 60 #define ICSSG_CMD_PUSH_SLICE0 57 #define ICSSG_CMD_PUSH_SLICE1 61 #define ICSSG_RSP_POP_SLICE0 58 #define ICSSG_RSP_POP_SLICE1 62 #define ICSSG_RSP_PUSH_SLICE0 56 #define ICSSG_RSP_PUSH_SLICE1 60 #define ICSSG_TS_POP_SLICE0 59 #define ICSSG_TS_POP_SLICE1 63 #define ICSSG_TS_PUSH_SLICE0 40 #define ICSSG_TS_PUSH_SLICE1 41 struct mgmt_cmd { u8 param; u8 seqnum; u8 type; u8 header; u32 cmd_args[3]; }; struct mgmt_cmd_rsp { u32 reserved; u8 status; u8 seqnum; u8 type; u8 header; u32 cmd_args[3]; }; /* FDB FID_C2 flag definitions */ /* Indicates host port membership.*/ #define ICSSG_FDB_ENTRY_P0_MEMBERSHIP BIT(0) /* Indicates that MAC ID is connected to physical port 1 */ #define ICSSG_FDB_ENTRY_P1_MEMBERSHIP BIT(1) /* Indicates that MAC ID is connected to physical port 2 */ #define ICSSG_FDB_ENTRY_P2_MEMBERSHIP BIT(2) /* Ageable bit is set for learned entries and cleared for static entries */ #define ICSSG_FDB_ENTRY_AGEABLE BIT(3) /* If set for DA then packet is determined to be a special packet */ #define ICSSG_FDB_ENTRY_BLOCK BIT(4) /* If set for DA then the SA from the packet is not learned */ #define ICSSG_FDB_ENTRY_SECURE BIT(5) /* If set, it means packet has been seen recently with source address + FID * matching MAC address/FID of entry */ #define ICSSG_FDB_ENTRY_TOUCHED BIT(6) /* Set if entry is valid */ #define ICSSG_FDB_ENTRY_VALID BIT(7) /** * struct prueth_vlan_tbl - VLAN table entries struct in ICSSG SMEM * @fid_c1: membership and forwarding rules flag to this table. See * above to defines for bit definitions * @fid: FDB index for this VID (there is 1-1 mapping b/w VID and FID) */ struct prueth_vlan_tbl { u8 fid_c1; u8 fid; } __packed; /** * struct prueth_fdb_slot - Result of FDB slot lookup * @mac: MAC address * @fid: fid to be associated with MAC * @fid_c2: FID_C2 entry for this MAC */ struct prueth_fdb_slot { u8 mac[ETH_ALEN]; u8 fid; u8 fid_c2; } __packed; enum icssg_ietfpe_verify_states { ICSSG_IETFPE_STATE_UNKNOWN = 0, ICSSG_IETFPE_STATE_INITIAL, ICSSG_IETFPE_STATE_VERIFYING, ICSSG_IETFPE_STATE_SUCCEEDED, ICSSG_IETFPE_STATE_FAILED, ICSSG_IETFPE_STATE_DISABLED }; #endif /* __NET_TI_ICSSG_CONFIG_H */