/* * drivers/net/ethernet/mellanox/mlxsw/reg.h * Copyright (c) 2015 Mellanox Technologies. All rights reserved. * Copyright (c) 2015 Ido Schimmel * Copyright (c) 2015 Elad Raz * Copyright (c) 2015 Jiri Pirko * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the names of the copyright holders nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _MLXSW_REG_H #define _MLXSW_REG_H #include #include #include #include "item.h" #include "port.h" struct mlxsw_reg_info { u16 id; u16 len; /* In u8 */ }; #define MLXSW_REG(type) (&mlxsw_reg_##type) #define MLXSW_REG_LEN(type) MLXSW_REG(type)->len #define MLXSW_REG_ZERO(type, payload) memset(payload, 0, MLXSW_REG(type)->len) /* SGCR - Switch General Configuration Register * -------------------------------------------- * This register is used for configuration of the switch capabilities. */ #define MLXSW_REG_SGCR_ID 0x2000 #define MLXSW_REG_SGCR_LEN 0x10 static const struct mlxsw_reg_info mlxsw_reg_sgcr = { .id = MLXSW_REG_SGCR_ID, .len = MLXSW_REG_SGCR_LEN, }; /* reg_sgcr_llb * Link Local Broadcast (Default=0) * When set, all Link Local packets (224.0.0.X) will be treated as broadcast * packets and ignore the IGMP snooping entries. * Access: RW */ MLXSW_ITEM32(reg, sgcr, llb, 0x04, 0, 1); static inline void mlxsw_reg_sgcr_pack(char *payload, bool llb) { MLXSW_REG_ZERO(sgcr, payload); mlxsw_reg_sgcr_llb_set(payload, !!llb); } /* SPAD - Switch Physical Address Register * --------------------------------------- * The SPAD register configures the switch physical MAC address. */ #define MLXSW_REG_SPAD_ID 0x2002 #define MLXSW_REG_SPAD_LEN 0x10 static const struct mlxsw_reg_info mlxsw_reg_spad = { .id = MLXSW_REG_SPAD_ID, .len = MLXSW_REG_SPAD_LEN, }; /* reg_spad_base_mac * Base MAC address for the switch partitions. * Per switch partition MAC address is equal to: * base_mac + swid * Access: RW */ MLXSW_ITEM_BUF(reg, spad, base_mac, 0x02, 6); /* SSPR - Switch System Port Record Register * ----------------------------------------- * Configures the system port to local port mapping. */ #define MLXSW_REG_SSPR_ID 0x2008 #define MLXSW_REG_SSPR_LEN 0x8 static const struct mlxsw_reg_info mlxsw_reg_sspr = { .id = MLXSW_REG_SSPR_ID, .len = MLXSW_REG_SSPR_LEN, }; /* reg_sspr_m * Master - if set, then the record describes the master system port. * This is needed in case a local port is mapped into several system ports * (for multipathing). That number will be reported as the source system * port when packets are forwarded to the CPU. Only one master port is allowed * per local port. * * Note: Must be set for Spectrum. * Access: RW */ MLXSW_ITEM32(reg, sspr, m, 0x00, 31, 1); /* reg_sspr_local_port * Local port number. * * Access: RW */ MLXSW_ITEM32(reg, sspr, local_port, 0x00, 16, 8); /* reg_sspr_sub_port * Virtual port within the physical port. * Should be set to 0 when virtual ports are not enabled on the port. * * Access: RW */ MLXSW_ITEM32(reg, sspr, sub_port, 0x00, 8, 8); /* reg_sspr_system_port * Unique identifier within the stacking domain that represents all the ports * that are available in the system (external ports). * * Currently, only single-ASIC configurations are supported, so we default to * 1:1 mapping between system ports and local ports. * Access: Index */ MLXSW_ITEM32(reg, sspr, system_port, 0x04, 0, 16); static inline void mlxsw_reg_sspr_pack(char *payload, u8 local_port) { MLXSW_REG_ZERO(sspr, payload); mlxsw_reg_sspr_m_set(payload, 1); mlxsw_reg_sspr_local_port_set(payload, local_port); mlxsw_reg_sspr_sub_port_set(payload, 0); mlxsw_reg_sspr_system_port_set(payload, local_port); } /* SPMS - Switch Port MSTP/RSTP State Register * ------------------------------------------- * Configures the spanning tree state of a physical port. */ #define MLXSW_REG_SPMS_ID 0x200D #define MLXSW_REG_SPMS_LEN 0x404 static const struct mlxsw_reg_info mlxsw_reg_spms = { .id = MLXSW_REG_SPMS_ID, .len = MLXSW_REG_SPMS_LEN, }; /* reg_spms_local_port * Local port number. * Access: Index */ MLXSW_ITEM32(reg, spms, local_port, 0x00, 16, 8); enum mlxsw_reg_spms_state { MLXSW_REG_SPMS_STATE_NO_CHANGE, MLXSW_REG_SPMS_STATE_DISCARDING, MLXSW_REG_SPMS_STATE_LEARNING, MLXSW_REG_SPMS_STATE_FORWARDING, }; /* reg_spms_state * Spanning tree state of each VLAN ID (VID) of the local port. * 0 - Do not change spanning tree state (used only when writing). * 1 - Discarding. No learning or forwarding to/from this port (default). * 2 - Learning. Port is learning, but not forwarding. * 3 - Forwarding. Port is learning and forwarding. * Access: RW */ MLXSW_ITEM_BIT_ARRAY(reg, spms, state, 0x04, 0x400, 2); static inline void mlxsw_reg_spms_pack(char *payload, u8 local_port) { MLXSW_REG_ZERO(spms, payload); mlxsw_reg_spms_local_port_set(payload, local_port); } static inline void mlxsw_reg_spms_vid_pack(char *payload, u16 vid, enum mlxsw_reg_spms_state state) { mlxsw_reg_spms_state_set(payload, vid, state); } /* SFGC - Switch Flooding Group Configuration * ------------------------------------------ * The following register controls the association of flooding tables and MIDs * to packet types used for flooding. */ #define MLXSW_REG_SFGC_ID 0x2011 #define MLXSW_REG_SFGC_LEN 0x10 static const struct mlxsw_reg_info mlxsw_reg_sfgc = { .id = MLXSW_REG_SFGC_ID, .len = MLXSW_REG_SFGC_LEN, }; enum mlxsw_reg_sfgc_type { MLXSW_REG_SFGC_TYPE_BROADCAST, MLXSW_REG_SFGC_TYPE_UNKNOWN_UNICAST, MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV4, MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV6, MLXSW_REG_SFGC_TYPE_RESERVED, MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_NON_IP, MLXSW_REG_SFGC_TYPE_IPV4_LINK_LOCAL, MLXSW_REG_SFGC_TYPE_IPV6_ALL_HOST, MLXSW_REG_SFGC_TYPE_MAX, }; /* reg_sfgc_type * The traffic type to reach the flooding table. * Access: Index */ MLXSW_ITEM32(reg, sfgc, type, 0x00, 0, 4); enum mlxsw_reg_sfgc_bridge_type { MLXSW_REG_SFGC_BRIDGE_TYPE_1Q_FID = 0, MLXSW_REG_SFGC_BRIDGE_TYPE_VFID = 1, }; /* reg_sfgc_bridge_type * Access: Index * * Note: SwitchX-2 only supports 802.1Q mode. */ MLXSW_ITEM32(reg, sfgc, bridge_type, 0x04, 24, 3); enum mlxsw_flood_table_type { MLXSW_REG_SFGC_TABLE_TYPE_VID = 1, MLXSW_REG_SFGC_TABLE_TYPE_SINGLE = 2, MLXSW_REG_SFGC_TABLE_TYPE_ANY = 0, MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFEST = 3, MLXSW_REG_SFGC_TABLE_TYPE_FID = 4, }; /* reg_sfgc_table_type * See mlxsw_flood_table_type * Access: RW * * Note: FID offset and FID types are not supported in SwitchX-2. */ MLXSW_ITEM32(reg, sfgc, table_type, 0x04, 16, 3); /* reg_sfgc_flood_table * Flooding table index to associate with the specific type on the specific * switch partition. * Access: RW */ MLXSW_ITEM32(reg, sfgc, flood_table, 0x04, 0, 6); /* reg_sfgc_mid * The multicast ID for the swid. Not supported for Spectrum * Access: RW */ MLXSW_ITEM32(reg, sfgc, mid, 0x08, 0, 16); /* reg_sfgc_counter_set_type * Counter Set Type for flow counters. * Access: RW */ MLXSW_ITEM32(reg, sfgc, counter_set_type, 0x0C, 24, 8); /* reg_sfgc_counter_index * Counter Index for flow counters. * Access: RW */ MLXSW_ITEM32(reg, sfgc, counter_index, 0x0C, 0, 24); static inline void mlxsw_reg_sfgc_pack(char *payload, enum mlxsw_reg_sfgc_type type, enum mlxsw_reg_sfgc_bridge_type bridge_type, enum mlxsw_flood_table_type table_type, unsigned int flood_table) { MLXSW_REG_ZERO(sfgc, payload); mlxsw_reg_sfgc_type_set(payload, type); mlxsw_reg_sfgc_bridge_type_set(payload, bridge_type); mlxsw_reg_sfgc_table_type_set(payload, table_type); mlxsw_reg_sfgc_flood_table_set(payload, flood_table); mlxsw_reg_sfgc_mid_set(payload, MLXSW_PORT_MID); } /* SFTR - Switch Flooding Table Register * ------------------------------------- * The switch flooding table is used for flooding packet replication. The table * defines a bit mask of ports for packet replication. */ #define MLXSW_REG_SFTR_ID 0x2012 #define MLXSW_REG_SFTR_LEN 0x420 static const struct mlxsw_reg_info mlxsw_reg_sftr = { .id = MLXSW_REG_SFTR_ID, .len = MLXSW_REG_SFTR_LEN, }; /* reg_sftr_swid * Switch partition ID with which to associate the port. * Access: Index */ MLXSW_ITEM32(reg, sftr, swid, 0x00, 24, 8); /* reg_sftr_flood_table * Flooding table index to associate with the specific type on the specific * switch partition. * Access: Index */ MLXSW_ITEM32(reg, sftr, flood_table, 0x00, 16, 6); /* reg_sftr_index * Index. Used as an index into the Flooding Table in case the table is * configured to use VID / FID or FID Offset. * Access: Index */ MLXSW_ITEM32(reg, sftr, index, 0x00, 0, 16); /* reg_sftr_table_type * See mlxsw_flood_table_type * Access: RW */ MLXSW_ITEM32(reg, sftr, table_type, 0x04, 16, 3); /* reg_sftr_range * Range of entries to update * Access: Index */ MLXSW_ITEM32(reg, sftr, range, 0x04, 0, 16); /* reg_sftr_port * Local port membership (1 bit per port). * Access: RW */ MLXSW_ITEM_BIT_ARRAY(reg, sftr, port, 0x20, 0x20, 1); /* reg_sftr_cpu_port_mask * CPU port mask (1 bit per port). * Access: W */ MLXSW_ITEM_BIT_ARRAY(reg, sftr, port_mask, 0x220, 0x20, 1); static inline void mlxsw_reg_sftr_pack(char *payload, unsigned int flood_table, unsigned int index, enum mlxsw_flood_table_type table_type, unsigned int range, u8 port, bool set) { MLXSW_REG_ZERO(sftr, payload); mlxsw_reg_sftr_swid_set(payload, 0); mlxsw_reg_sftr_flood_table_set(payload, flood_table); mlxsw_reg_sftr_index_set(payload, index); mlxsw_reg_sftr_table_type_set(payload, table_type); mlxsw_reg_sftr_range_set(payload, range); mlxsw_reg_sftr_port_set(payload, port, set); mlxsw_reg_sftr_port_mask_set(payload, port, 1); } /* SPMLR - Switch Port MAC Learning Register * ----------------------------------------- * Controls the Switch MAC learning policy per port. */ #define MLXSW_REG_SPMLR_ID 0x2018 #define MLXSW_REG_SPMLR_LEN 0x8 static const struct mlxsw_reg_info mlxsw_reg_spmlr = { .id = MLXSW_REG_SPMLR_ID, .len = MLXSW_REG_SPMLR_LEN, }; /* reg_spmlr_local_port * Local port number. * Access: Index */ MLXSW_ITEM32(reg, spmlr, local_port, 0x00, 16, 8); /* reg_spmlr_sub_port * Virtual port within the physical port. * Should be set to 0 when virtual ports are not enabled on the port. * Access: Index */ MLXSW_ITEM32(reg, spmlr, sub_port, 0x00, 8, 8); enum mlxsw_reg_spmlr_learn_mode { MLXSW_REG_SPMLR_LEARN_MODE_DISABLE = 0, MLXSW_REG_SPMLR_LEARN_MODE_ENABLE = 2, MLXSW_REG_SPMLR_LEARN_MODE_SEC = 3, }; /* reg_spmlr_learn_mode * Learning mode on the port. * 0 - Learning disabled. * 2 - Learning enabled. * 3 - Security mode. * * In security mode the switch does not learn MACs on the port, but uses the * SMAC to see if it exists on another ingress port. If so, the packet is * classified as a bad packet and is discarded unless the software registers * to receive port security error packets usign HPKT. */ MLXSW_ITEM32(reg, spmlr, learn_mode, 0x04, 30, 2); static inline void mlxsw_reg_spmlr_pack(char *payload, u8 local_port, enum mlxsw_reg_spmlr_learn_mode mode) { MLXSW_REG_ZERO(spmlr, payload); mlxsw_reg_spmlr_local_port_set(payload, local_port); mlxsw_reg_spmlr_sub_port_set(payload, 0); mlxsw_reg_spmlr_learn_mode_set(payload, mode); } /* PMLP - Ports Module to Local Port Register * ------------------------------------------ * Configures the assignment of modules to local ports. */ #define MLXSW_REG_PMLP_ID 0x5002 #define MLXSW_REG_PMLP_LEN 0x40 static const struct mlxsw_reg_info mlxsw_reg_pmlp = { .id = MLXSW_REG_PMLP_ID, .len = MLXSW_REG_PMLP_LEN, }; /* reg_pmlp_rxtx * 0 - Tx value is used for both Tx and Rx. * 1 - Rx value is taken from a separte field. * Access: RW */ MLXSW_ITEM32(reg, pmlp, rxtx, 0x00, 31, 1); /* reg_pmlp_local_port * Local port number. * Access: Index */ MLXSW_ITEM32(reg, pmlp, local_port, 0x00, 16, 8); /* reg_pmlp_width * 0 - Unmap local port. * 1 - Lane 0 is used. * 2 - Lanes 0 and 1 are used. * 4 - Lanes 0, 1, 2 and 3 are used. * Access: RW */ MLXSW_ITEM32(reg, pmlp, width, 0x00, 0, 8); /* reg_pmlp_module * Module number. * Access: RW */ MLXSW_ITEM32_INDEXED(reg, pmlp, module, 0x04, 0, 8, 0x04, 0, false); /* reg_pmlp_tx_lane * Tx Lane. When rxtx field is cleared, this field is used for Rx as well. * Access: RW */ MLXSW_ITEM32_INDEXED(reg, pmlp, tx_lane, 0x04, 16, 2, 0x04, 16, false); /* reg_pmlp_rx_lane * Rx Lane. When rxtx field is cleared, this field is ignored and Rx lane is * equal to Tx lane. * Access: RW */ MLXSW_ITEM32_INDEXED(reg, pmlp, rx_lane, 0x04, 24, 2, 0x04, 24, false); static inline void mlxsw_reg_pmlp_pack(char *payload, u8 local_port) { MLXSW_REG_ZERO(pmlp, payload); mlxsw_reg_pmlp_local_port_set(payload, local_port); } /* PMTU - Port MTU Register * ------------------------ * Configures and reports the port MTU. */ #define MLXSW_REG_PMTU_ID 0x5003 #define MLXSW_REG_PMTU_LEN 0x10 static const struct mlxsw_reg_info mlxsw_reg_pmtu = { .id = MLXSW_REG_PMTU_ID, .len = MLXSW_REG_PMTU_LEN, }; /* reg_pmtu_local_port * Local port number. * Access: Index */ MLXSW_ITEM32(reg, pmtu, local_port, 0x00, 16, 8); /* reg_pmtu_max_mtu * Maximum MTU. * When port type (e.g. Ethernet) is configured, the relevant MTU is * reported, otherwise the minimum between the max_mtu of the different * types is reported. * Access: RO */ MLXSW_ITEM32(reg, pmtu, max_mtu, 0x04, 16, 16); /* reg_pmtu_admin_mtu * MTU value to set port to. Must be smaller or equal to max_mtu. * Note: If port type is Infiniband, then port must be disabled, when its * MTU is set. * Access: RW */ MLXSW_ITEM32(reg, pmtu, admin_mtu, 0x08, 16, 16); /* reg_pmtu_oper_mtu * The actual MTU configured on the port. Packets exceeding this size * will be dropped. * Note: In Ethernet and FC oper_mtu == admin_mtu, however, in Infiniband * oper_mtu might be smaller than admin_mtu. * Access: RO */ MLXSW_ITEM32(reg, pmtu, oper_mtu, 0x0C, 16, 16); static inline void mlxsw_reg_pmtu_pack(char *payload, u8 local_port, u16 new_mtu) { MLXSW_REG_ZERO(pmtu, payload); mlxsw_reg_pmtu_local_port_set(payload, local_port); mlxsw_reg_pmtu_max_mtu_set(payload, 0); mlxsw_reg_pmtu_admin_mtu_set(payload, new_mtu); mlxsw_reg_pmtu_oper_mtu_set(payload, 0); } /* PTYS - Port Type and Speed Register * ----------------------------------- * Configures and reports the port speed type. * * Note: When set while the link is up, the changes will not take effect * until the port transitions from down to up state. */ #define MLXSW_REG_PTYS_ID 0x5004 #define MLXSW_REG_PTYS_LEN 0x40 static const struct mlxsw_reg_info mlxsw_reg_ptys = { .id = MLXSW_REG_PTYS_ID, .len = MLXSW_REG_PTYS_LEN, }; /* reg_ptys_local_port * Local port number. * Access: Index */ MLXSW_ITEM32(reg, ptys, local_port, 0x00, 16, 8); #define MLXSW_REG_PTYS_PROTO_MASK_ETH BIT(2) /* reg_ptys_proto_mask * Protocol mask. Indicates which protocol is used. * 0 - Infiniband. * 1 - Fibre Channel. * 2 - Ethernet. * Access: Index */ MLXSW_ITEM32(reg, ptys, proto_mask, 0x00, 0, 3); #define MLXSW_REG_PTYS_ETH_SPEED_SGMII BIT(0) #define MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX BIT(1) #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 BIT(2) #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 BIT(3) #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR BIT(4) #define MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2 BIT(5) #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 BIT(6) #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 BIT(7) #define MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4 BIT(8) #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR BIT(12) #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR BIT(13) #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR BIT(14) #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 BIT(15) #define MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4 BIT(16) #define MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR4 BIT(19) #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4 BIT(20) #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 BIT(21) #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 BIT(22) #define MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4 BIT(23) #define MLXSW_REG_PTYS_ETH_SPEED_100BASE_TX BIT(24) #define MLXSW_REG_PTYS_ETH_SPEED_100BASE_T BIT(25) #define MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T BIT(26) #define MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR BIT(27) #define MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR BIT(28) #define MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR BIT(29) #define MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2 BIT(30) #define MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2 BIT(31) /* reg_ptys_eth_proto_cap * Ethernet port supported speeds and protocols. * Access: RO */ MLXSW_ITEM32(reg, ptys, eth_proto_cap, 0x0C, 0, 32); /* reg_ptys_eth_proto_admin * Speed and protocol to set port to. * Access: RW */ MLXSW_ITEM32(reg, ptys, eth_proto_admin, 0x18, 0, 32); /* reg_ptys_eth_proto_oper * The current speed and protocol configured for the port. * Access: RO */ MLXSW_ITEM32(reg, ptys, eth_proto_oper, 0x24, 0, 32); static inline void mlxsw_reg_ptys_pack(char *payload, u8 local_port, u32 proto_admin) { MLXSW_REG_ZERO(ptys, payload); mlxsw_reg_ptys_local_port_set(payload, local_port); mlxsw_reg_ptys_proto_mask_set(payload, MLXSW_REG_PTYS_PROTO_MASK_ETH); mlxsw_reg_ptys_eth_proto_admin_set(payload, proto_admin); } static inline void mlxsw_reg_ptys_unpack(char *payload, u32 *p_eth_proto_cap, u32 *p_eth_proto_adm, u32 *p_eth_proto_oper) { if (p_eth_proto_cap) *p_eth_proto_cap = mlxsw_reg_ptys_eth_proto_cap_get(payload); if (p_eth_proto_adm) *p_eth_proto_adm = mlxsw_reg_ptys_eth_proto_admin_get(payload); if (p_eth_proto_oper) *p_eth_proto_oper = mlxsw_reg_ptys_eth_proto_oper_get(payload); } /* PPAD - Port Physical Address Register * ------------------------------------- * The PPAD register configures the per port physical MAC address. */ #define MLXSW_REG_PPAD_ID 0x5005 #define MLXSW_REG_PPAD_LEN 0x10 static const struct mlxsw_reg_info mlxsw_reg_ppad = { .id = MLXSW_REG_PPAD_ID, .len = MLXSW_REG_PPAD_LEN, }; /* reg_ppad_single_base_mac * 0: base_mac, local port should be 0 and mac[7:0] is * reserved. HW will set incremental * 1: single_mac - mac of the local_port * Access: RW */ MLXSW_ITEM32(reg, ppad, single_base_mac, 0x00, 28, 1); /* reg_ppad_local_port * port number, if single_base_mac = 0 then local_port is reserved * Access: RW */ MLXSW_ITEM32(reg, ppad, local_port, 0x00, 16, 8); /* reg_ppad_mac * If single_base_mac = 0 - base MAC address, mac[7:0] is reserved. * If single_base_mac = 1 - the per port MAC address * Access: RW */ MLXSW_ITEM_BUF(reg, ppad, mac, 0x02, 6); static inline void mlxsw_reg_ppad_pack(char *payload, bool single_base_mac, u8 local_port) { MLXSW_REG_ZERO(ppad, payload); mlxsw_reg_ppad_single_base_mac_set(payload, !!single_base_mac); mlxsw_reg_ppad_local_port_set(payload, local_port); } /* PAOS - Ports Administrative and Operational Status Register * ----------------------------------------------------------- * Configures and retrieves per port administrative and operational status. */ #define MLXSW_REG_PAOS_ID 0x5006 #define MLXSW_REG_PAOS_LEN 0x10 static const struct mlxsw_reg_info mlxsw_reg_paos = { .id = MLXSW_REG_PAOS_ID, .len = MLXSW_REG_PAOS_LEN, }; /* reg_paos_swid * Switch partition ID with which to associate the port. * Note: while external ports uses unique local port numbers (and thus swid is * redundant), router ports use the same local port number where swid is the * only indication for the relevant port. * Access: Index */ MLXSW_ITEM32(reg, paos, swid, 0x00, 24, 8); /* reg_paos_local_port * Local port number. * Access: Index */ MLXSW_ITEM32(reg, paos, local_port, 0x00, 16, 8); /* reg_paos_admin_status * Port administrative state (the desired state of the port): * 1 - Up. * 2 - Down. * 3 - Up once. This means that in case of link failure, the port won't go * into polling mode, but will wait to be re-enabled by software. * 4 - Disabled by system. Can only be set by hardware. * Access: RW */ MLXSW_ITEM32(reg, paos, admin_status, 0x00, 8, 4); /* reg_paos_oper_status * Port operational state (the current state): * 1 - Up. * 2 - Down. * 3 - Down by port failure. This means that the device will not let the * port up again until explicitly specified by software. * Access: RO */ MLXSW_ITEM32(reg, paos, oper_status, 0x00, 0, 4); /* reg_paos_ase * Admin state update enabled. * Access: WO */ MLXSW_ITEM32(reg, paos, ase, 0x04, 31, 1); /* reg_paos_ee * Event update enable. If this bit is set, event generation will be * updated based on the e field. * Access: WO */ MLXSW_ITEM32(reg, paos, ee, 0x04, 30, 1); /* reg_paos_e * Event generation on operational state change: * 0 - Do not generate event. * 1 - Generate Event. * 2 - Generate Single Event. * Access: RW */ MLXSW_ITEM32(reg, paos, e, 0x04, 0, 2); static inline void mlxsw_reg_paos_pack(char *payload, u8 local_port, enum mlxsw_port_admin_status status) { MLXSW_REG_ZERO(paos, payload); mlxsw_reg_paos_swid_set(payload, 0); mlxsw_reg_paos_local_port_set(payload, local_port); mlxsw_reg_paos_admin_status_set(payload, status); mlxsw_reg_paos_oper_status_set(payload, 0); mlxsw_reg_paos_ase_set(payload, 1); mlxsw_reg_paos_ee_set(payload, 1); mlxsw_reg_paos_e_set(payload, 1); } /* PPCNT - Ports Performance Counters Register * ------------------------------------------- * The PPCNT register retrieves per port performance counters. */ #define MLXSW_REG_PPCNT_ID 0x5008 #define MLXSW_REG_PPCNT_LEN 0x100 static const struct mlxsw_reg_info mlxsw_reg_ppcnt = { .id = MLXSW_REG_PPCNT_ID, .len = MLXSW_REG_PPCNT_LEN, }; /* reg_ppcnt_swid * For HCA: must be always 0. * Switch partition ID to associate port with. * Switch partitions are numbered from 0 to 7 inclusively. * Switch partition 254 indicates stacking ports. * Switch partition 255 indicates all switch partitions. * Only valid on Set() operation with local_port=255. * Access: Index */ MLXSW_ITEM32(reg, ppcnt, swid, 0x00, 24, 8); /* reg_ppcnt_local_port * Local port number. * 255 indicates all ports on the device, and is only allowed * for Set() operation. * Access: Index */ MLXSW_ITEM32(reg, ppcnt, local_port, 0x00, 16, 8); /* reg_ppcnt_pnat * Port number access type: * 0 - Local port number * 1 - IB port number * Access: Index */ MLXSW_ITEM32(reg, ppcnt, pnat, 0x00, 14, 2); /* reg_ppcnt_grp * Performance counter group. * Group 63 indicates all groups. Only valid on Set() operation with * clr bit set. * 0x0: IEEE 802.3 Counters * 0x1: RFC 2863 Counters * 0x2: RFC 2819 Counters * 0x3: RFC 3635 Counters * 0x5: Ethernet Extended Counters * 0x8: Link Level Retransmission Counters * 0x10: Per Priority Counters * 0x11: Per Traffic Class Counters * 0x12: Physical Layer Counters * Access: Index */ MLXSW_ITEM32(reg, ppcnt, grp, 0x00, 0, 6); /* reg_ppcnt_clr * Clear counters. Setting the clr bit will reset the counter value * for all counters in the counter group. This bit can be set * for both Set() and Get() operation. * Access: OP */ MLXSW_ITEM32(reg, ppcnt, clr, 0x04, 31, 1); /* reg_ppcnt_prio_tc * Priority for counter set that support per priority, valid values: 0-7. * Traffic class for counter set that support per traffic class, * valid values: 0- cap_max_tclass-1 . * For HCA: cap_max_tclass is always 8. * Otherwise must be 0. * Access: Index */ MLXSW_ITEM32(reg, ppcnt, prio_tc, 0x04, 0, 5); /* reg_ppcnt_a_frames_transmitted_ok * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_frames_transmitted_ok, 0x08 + 0x00, 0, 64); /* reg_ppcnt_a_frames_received_ok * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_frames_received_ok, 0x08 + 0x08, 0, 64); /* reg_ppcnt_a_frame_check_sequence_errors * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_frame_check_sequence_errors, 0x08 + 0x10, 0, 64); /* reg_ppcnt_a_alignment_errors * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_alignment_errors, 0x08 + 0x18, 0, 64); /* reg_ppcnt_a_octets_transmitted_ok * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_octets_transmitted_ok, 0x08 + 0x20, 0, 64); /* reg_ppcnt_a_octets_received_ok * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_octets_received_ok, 0x08 + 0x28, 0, 64); /* reg_ppcnt_a_multicast_frames_xmitted_ok * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_multicast_frames_xmitted_ok, 0x08 + 0x30, 0, 64); /* reg_ppcnt_a_broadcast_frames_xmitted_ok * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_broadcast_frames_xmitted_ok, 0x08 + 0x38, 0, 64); /* reg_ppcnt_a_multicast_frames_received_ok * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_multicast_frames_received_ok, 0x08 + 0x40, 0, 64); /* reg_ppcnt_a_broadcast_frames_received_ok * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_broadcast_frames_received_ok, 0x08 + 0x48, 0, 64); /* reg_ppcnt_a_in_range_length_errors * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_in_range_length_errors, 0x08 + 0x50, 0, 64); /* reg_ppcnt_a_out_of_range_length_field * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_out_of_range_length_field, 0x08 + 0x58, 0, 64); /* reg_ppcnt_a_frame_too_long_errors * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_frame_too_long_errors, 0x08 + 0x60, 0, 64); /* reg_ppcnt_a_symbol_error_during_carrier * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_symbol_error_during_carrier, 0x08 + 0x68, 0, 64); /* reg_ppcnt_a_mac_control_frames_transmitted * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_mac_control_frames_transmitted, 0x08 + 0x70, 0, 64); /* reg_ppcnt_a_mac_control_frames_received * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_mac_control_frames_received, 0x08 + 0x78, 0, 64); /* reg_ppcnt_a_unsupported_opcodes_received * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_unsupported_opcodes_received, 0x08 + 0x80, 0, 64); /* reg_ppcnt_a_pause_mac_ctrl_frames_received * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_pause_mac_ctrl_frames_received, 0x08 + 0x88, 0, 64); /* reg_ppcnt_a_pause_mac_ctrl_frames_transmitted * Access: RO */ MLXSW_ITEM64(reg, ppcnt, a_pause_mac_ctrl_frames_transmitted, 0x08 + 0x90, 0, 64); static inline void mlxsw_reg_ppcnt_pack(char *payload, u8 local_port) { MLXSW_REG_ZERO(ppcnt, payload); mlxsw_reg_ppcnt_swid_set(payload, 0); mlxsw_reg_ppcnt_local_port_set(payload, local_port); mlxsw_reg_ppcnt_pnat_set(payload, 0); mlxsw_reg_ppcnt_grp_set(payload, 0); mlxsw_reg_ppcnt_clr_set(payload, 0); mlxsw_reg_ppcnt_prio_tc_set(payload, 0); } /* PSPA - Port Switch Partition Allocation * --------------------------------------- * Controls the association of a port with a switch partition and enables * configuring ports as stacking ports. */ #define MLXSW_REG_PSPA_ID 0x500D #define MLXSW_REG_PSPA_LEN 0x8 static const struct mlxsw_reg_info mlxsw_reg_pspa = { .id = MLXSW_REG_PSPA_ID, .len = MLXSW_REG_PSPA_LEN, }; /* reg_pspa_swid * Switch partition ID. * Access: RW */ MLXSW_ITEM32(reg, pspa, swid, 0x00, 24, 8); /* reg_pspa_local_port * Local port number. * Access: Index */ MLXSW_ITEM32(reg, pspa, local_port, 0x00, 16, 8); /* reg_pspa_sub_port * Virtual port within the local port. Set to 0 when virtual ports are * disabled on the local port. * Access: Index */ MLXSW_ITEM32(reg, pspa, sub_port, 0x00, 8, 8); static inline void mlxsw_reg_pspa_pack(char *payload, u8 swid, u8 local_port) { MLXSW_REG_ZERO(pspa, payload); mlxsw_reg_pspa_swid_set(payload, swid); mlxsw_reg_pspa_local_port_set(payload, local_port); mlxsw_reg_pspa_sub_port_set(payload, 0); } /* HTGT - Host Trap Group Table * ---------------------------- * Configures the properties for forwarding to CPU. */ #define MLXSW_REG_HTGT_ID 0x7002 #define MLXSW_REG_HTGT_LEN 0x100 static const struct mlxsw_reg_info mlxsw_reg_htgt = { .id = MLXSW_REG_HTGT_ID, .len = MLXSW_REG_HTGT_LEN, }; /* reg_htgt_swid * Switch partition ID. * Access: Index */ MLXSW_ITEM32(reg, htgt, swid, 0x00, 24, 8); #define MLXSW_REG_HTGT_PATH_TYPE_LOCAL 0x0 /* For locally attached CPU */ /* reg_htgt_type * CPU path type. * Access: RW */ MLXSW_ITEM32(reg, htgt, type, 0x00, 8, 4); enum mlxsw_reg_htgt_trap_group { MLXSW_REG_HTGT_TRAP_GROUP_EMAD, MLXSW_REG_HTGT_TRAP_GROUP_RX, MLXSW_REG_HTGT_TRAP_GROUP_CTRL, }; /* reg_htgt_trap_group * Trap group number. User defined number specifying which trap groups * should be forwarded to the CPU. The mapping between trap IDs and trap * groups is configured using HPKT register. * Access: Index */ MLXSW_ITEM32(reg, htgt, trap_group, 0x00, 0, 8); enum { MLXSW_REG_HTGT_POLICER_DISABLE, MLXSW_REG_HTGT_POLICER_ENABLE, }; /* reg_htgt_pide * Enable policer ID specified using 'pid' field. * Access: RW */ MLXSW_ITEM32(reg, htgt, pide, 0x04, 15, 1); /* reg_htgt_pid * Policer ID for the trap group. * Access: RW */ MLXSW_ITEM32(reg, htgt, pid, 0x04, 0, 8); #define MLXSW_REG_HTGT_TRAP_TO_CPU 0x0 /* reg_htgt_mirror_action * Mirror action to use. * 0 - Trap to CPU. * 1 - Trap to CPU and mirror to a mirroring agent. * 2 - Mirror to a mirroring agent and do not trap to CPU. * Access: RW * * Note: Mirroring to a mirroring agent is only supported in Spectrum. */ MLXSW_ITEM32(reg, htgt, mirror_action, 0x08, 8, 2); /* reg_htgt_mirroring_agent * Mirroring agent. * Access: RW */ MLXSW_ITEM32(reg, htgt, mirroring_agent, 0x08, 0, 3); /* reg_htgt_priority * Trap group priority. * In case a packet matches multiple classification rules, the packet will * only be trapped once, based on the trap ID associated with the group (via * register HPKT) with the highest priority. * Supported values are 0-7, with 7 represnting the highest priority. * Access: RW * * Note: In SwitchX-2 this field is ignored and the priority value is replaced * by the 'trap_group' field. */ MLXSW_ITEM32(reg, htgt, priority, 0x0C, 0, 4); /* reg_htgt_local_path_cpu_tclass * CPU ingress traffic class for the trap group. * Access: RW */ MLXSW_ITEM32(reg, htgt, local_path_cpu_tclass, 0x10, 16, 6); #define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_EMAD 0x15 #define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_RX 0x14 #define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_CTRL 0x13 /* reg_htgt_local_path_rdq * Receive descriptor queue (RDQ) to use for the trap group. * Access: RW */ MLXSW_ITEM32(reg, htgt, local_path_rdq, 0x10, 0, 6); static inline void mlxsw_reg_htgt_pack(char *payload, enum mlxsw_reg_htgt_trap_group group) { u8 swid, rdq; MLXSW_REG_ZERO(htgt, payload); switch (group) { case MLXSW_REG_HTGT_TRAP_GROUP_EMAD: swid = MLXSW_PORT_SWID_ALL_SWIDS; rdq = MLXSW_REG_HTGT_LOCAL_PATH_RDQ_EMAD; break; case MLXSW_REG_HTGT_TRAP_GROUP_RX: swid = 0; rdq = MLXSW_REG_HTGT_LOCAL_PATH_RDQ_RX; break; case MLXSW_REG_HTGT_TRAP_GROUP_CTRL: swid = 0; rdq = MLXSW_REG_HTGT_LOCAL_PATH_RDQ_CTRL; break; } mlxsw_reg_htgt_swid_set(payload, swid); mlxsw_reg_htgt_type_set(payload, MLXSW_REG_HTGT_PATH_TYPE_LOCAL); mlxsw_reg_htgt_trap_group_set(payload, group); mlxsw_reg_htgt_pide_set(payload, MLXSW_REG_HTGT_POLICER_DISABLE); mlxsw_reg_htgt_pid_set(payload, 0); mlxsw_reg_htgt_mirror_action_set(payload, MLXSW_REG_HTGT_TRAP_TO_CPU); mlxsw_reg_htgt_mirroring_agent_set(payload, 0); mlxsw_reg_htgt_priority_set(payload, 0); mlxsw_reg_htgt_local_path_cpu_tclass_set(payload, 7); mlxsw_reg_htgt_local_path_rdq_set(payload, rdq); } /* HPKT - Host Packet Trap * ----------------------- * Configures trap IDs inside trap groups. */ #define MLXSW_REG_HPKT_ID 0x7003 #define MLXSW_REG_HPKT_LEN 0x10 static const struct mlxsw_reg_info mlxsw_reg_hpkt = { .id = MLXSW_REG_HPKT_ID, .len = MLXSW_REG_HPKT_LEN, }; enum { MLXSW_REG_HPKT_ACK_NOT_REQUIRED, MLXSW_REG_HPKT_ACK_REQUIRED, }; /* reg_hpkt_ack * Require acknowledgements from the host for events. * If set, then the device will wait for the event it sent to be acknowledged * by the host. This option is only relevant for event trap IDs. * Access: RW * * Note: Currently not supported by firmware. */ MLXSW_ITEM32(reg, hpkt, ack, 0x00, 24, 1); enum mlxsw_reg_hpkt_action { MLXSW_REG_HPKT_ACTION_FORWARD, MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, MLXSW_REG_HPKT_ACTION_MIRROR_TO_CPU, MLXSW_REG_HPKT_ACTION_DISCARD, MLXSW_REG_HPKT_ACTION_SOFT_DISCARD, MLXSW_REG_HPKT_ACTION_TRAP_AND_SOFT_DISCARD, }; /* reg_hpkt_action * Action to perform on packet when trapped. * 0 - No action. Forward to CPU based on switching rules. * 1 - Trap to CPU (CPU receives sole copy). * 2 - Mirror to CPU (CPU receives a replica of the packet). * 3 - Discard. * 4 - Soft discard (allow other traps to act on the packet). * 5 - Trap and soft discard (allow other traps to overwrite this trap). * Access: RW * * Note: Must be set to 0 (forward) for event trap IDs, as they are already * addressed to the CPU. */ MLXSW_ITEM32(reg, hpkt, action, 0x00, 20, 3); /* reg_hpkt_trap_group * Trap group to associate the trap with. * Access: RW */ MLXSW_ITEM32(reg, hpkt, trap_group, 0x00, 12, 6); /* reg_hpkt_trap_id * Trap ID. * Access: Index * * Note: A trap ID can only be associated with a single trap group. The device * will associate the trap ID with the last trap group configured. */ MLXSW_ITEM32(reg, hpkt, trap_id, 0x00, 0, 9); enum { MLXSW_REG_HPKT_CTRL_PACKET_DEFAULT, MLXSW_REG_HPKT_CTRL_PACKET_NO_BUFFER, MLXSW_REG_HPKT_CTRL_PACKET_USE_BUFFER, }; /* reg_hpkt_ctrl * Configure dedicated buffer resources for control packets. * 0 - Keep factory defaults. * 1 - Do not use control buffer for this trap ID. * 2 - Use control buffer for this trap ID. * Access: RW */ MLXSW_ITEM32(reg, hpkt, ctrl, 0x04, 16, 2); static inline void mlxsw_reg_hpkt_pack(char *payload, u8 action, u16 trap_id) { enum mlxsw_reg_htgt_trap_group trap_group; MLXSW_REG_ZERO(hpkt, payload); mlxsw_reg_hpkt_ack_set(payload, MLXSW_REG_HPKT_ACK_NOT_REQUIRED); mlxsw_reg_hpkt_action_set(payload, action); switch (trap_id) { case MLXSW_TRAP_ID_ETHEMAD: case MLXSW_TRAP_ID_PUDE: trap_group = MLXSW_REG_HTGT_TRAP_GROUP_EMAD; break; default: trap_group = MLXSW_REG_HTGT_TRAP_GROUP_RX; break; } mlxsw_reg_hpkt_trap_group_set(payload, trap_group); mlxsw_reg_hpkt_trap_id_set(payload, trap_id); mlxsw_reg_hpkt_ctrl_set(payload, MLXSW_REG_HPKT_CTRL_PACKET_DEFAULT); } static inline const char *mlxsw_reg_id_str(u16 reg_id) { switch (reg_id) { case MLXSW_REG_SGCR_ID: return "SGCR"; case MLXSW_REG_SPAD_ID: return "SPAD"; case MLXSW_REG_SSPR_ID: return "SSPR"; case MLXSW_REG_SPMS_ID: return "SPMS"; case MLXSW_REG_SFGC_ID: return "SFGC"; case MLXSW_REG_SFTR_ID: return "SFTR"; case MLXSW_REG_SPMLR_ID: return "SPMLR"; case MLXSW_REG_PMLP_ID: return "PMLP"; case MLXSW_REG_PMTU_ID: return "PMTU"; case MLXSW_REG_PTYS_ID: return "PTYS"; case MLXSW_REG_PPAD_ID: return "PPAD"; case MLXSW_REG_PAOS_ID: return "PAOS"; case MLXSW_REG_PPCNT_ID: return "PPCNT"; case MLXSW_REG_PSPA_ID: return "PSPA"; case MLXSW_REG_HTGT_ID: return "HTGT"; case MLXSW_REG_HPKT_ID: return "HPKT"; default: return "*UNKNOWN*"; } } /* PUDE - Port Up / Down Event * --------------------------- * Reports the operational state change of a port. */ #define MLXSW_REG_PUDE_LEN 0x10 /* reg_pude_swid * Switch partition ID with which to associate the port. * Access: Index */ MLXSW_ITEM32(reg, pude, swid, 0x00, 24, 8); /* reg_pude_local_port * Local port number. * Access: Index */ MLXSW_ITEM32(reg, pude, local_port, 0x00, 16, 8); /* reg_pude_admin_status * Port administrative state (the desired state). * 1 - Up. * 2 - Down. * 3 - Up once. This means that in case of link failure, the port won't go * into polling mode, but will wait to be re-enabled by software. * 4 - Disabled by system. Can only be set by hardware. * Access: RO */ MLXSW_ITEM32(reg, pude, admin_status, 0x00, 8, 4); /* reg_pude_oper_status * Port operatioanl state. * 1 - Up. * 2 - Down. * 3 - Down by port failure. This means that the device will not let the * port up again until explicitly specified by software. * Access: RO */ MLXSW_ITEM32(reg, pude, oper_status, 0x00, 0, 4); #endif