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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright 2014-2016 Freescale Semiconductor Inc.
* Copyright 2017-2018 NXP
*
*/
#ifndef __FSL_DPSW_H
#define __FSL_DPSW_H
/* Data Path L2-Switch API
* Contains API for handling DPSW topology and functionality
*/
struct fsl_mc_io;
/**
* DPSW general definitions
*/
/**
* Maximum number of traffic class priorities
*/
#define DPSW_MAX_PRIORITIES 8
/**
* Maximum number of interfaces
*/
#define DPSW_MAX_IF 64
int dpsw_open(struct fsl_mc_io *mc_io,
u32 cmd_flags,
int dpsw_id,
u16 *token);
int dpsw_close(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
/**
* DPSW options
*/
/**
* Disable flooding
*/
#define DPSW_OPT_FLOODING_DIS 0x0000000000000001ULL
/**
* Disable Multicast
*/
#define DPSW_OPT_MULTICAST_DIS 0x0000000000000004ULL
/**
* Support control interface
*/
#define DPSW_OPT_CTRL_IF_DIS 0x0000000000000010ULL
/**
* Disable flooding metering
*/
#define DPSW_OPT_FLOODING_METERING_DIS 0x0000000000000020ULL
/**
* Enable metering
*/
#define DPSW_OPT_METERING_EN 0x0000000000000040ULL
/**
* enum dpsw_component_type - component type of a bridge
* @DPSW_COMPONENT_TYPE_C_VLAN: A C-VLAN component of an
* enterprise VLAN bridge or of a Provider Bridge used
* to process C-tagged frames
* @DPSW_COMPONENT_TYPE_S_VLAN: An S-VLAN component of a
* Provider Bridge
*
*/
enum dpsw_component_type {
DPSW_COMPONENT_TYPE_C_VLAN = 0,
DPSW_COMPONENT_TYPE_S_VLAN
};
/**
* struct dpsw_cfg - DPSW configuration
* @num_ifs: Number of external and internal interfaces
* @adv: Advanced parameters; default is all zeros;
* use this structure to change default settings
*/
struct dpsw_cfg {
u16 num_ifs;
/**
* struct adv - Advanced parameters
* @options: Enable/Disable DPSW features (bitmap)
* @max_vlans: Maximum Number of VLAN's; 0 - indicates default 16
* @max_meters_per_if: Number of meters per interface
* @max_fdbs: Maximum Number of FDB's; 0 - indicates default 16
* @max_fdb_entries: Number of FDB entries for default FDB table;
* 0 - indicates default 1024 entries.
* @fdb_aging_time: Default FDB aging time for default FDB table;
* 0 - indicates default 300 seconds
* @max_fdb_mc_groups: Number of multicast groups in each FDB table;
* 0 - indicates default 32
* @component_type: Indicates the component type of this bridge
*/
struct {
u64 options;
u16 max_vlans;
u8 max_meters_per_if;
u8 max_fdbs;
u16 max_fdb_entries;
u16 fdb_aging_time;
u16 max_fdb_mc_groups;
enum dpsw_component_type component_type;
} adv;
};
int dpsw_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpsw_disable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpsw_reset(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
/**
* DPSW IRQ Index and Events
*/
#define DPSW_IRQ_INDEX_IF 0x0000
#define DPSW_IRQ_INDEX_L2SW 0x0001
/**
* IRQ event - Indicates that the link state changed
*/
#define DPSW_IRQ_EVENT_LINK_CHANGED 0x0001
/**
* struct dpsw_irq_cfg - IRQ configuration
* @addr: Address that must be written to signal a message-based interrupt
* @val: Value to write into irq_addr address
* @irq_num: A user defined number associated with this IRQ
*/
struct dpsw_irq_cfg {
u64 addr;
u32 val;
int irq_num;
};
int dpsw_set_irq_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u8 en);
int dpsw_set_irq_mask(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 mask);
int dpsw_get_irq_status(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 *status);
int dpsw_clear_irq_status(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 status);
/**
* struct dpsw_attr - Structure representing DPSW attributes
* @id: DPSW object ID
* @options: Enable/Disable DPSW features
* @max_vlans: Maximum Number of VLANs
* @max_meters_per_if: Number of meters per interface
* @max_fdbs: Maximum Number of FDBs
* @max_fdb_entries: Number of FDB entries for default FDB table;
* 0 - indicates default 1024 entries.
* @fdb_aging_time: Default FDB aging time for default FDB table;
* 0 - indicates default 300 seconds
* @max_fdb_mc_groups: Number of multicast groups in each FDB table;
* 0 - indicates default 32
* @mem_size: DPSW frame storage memory size
* @num_ifs: Number of interfaces
* @num_vlans: Current number of VLANs
* @num_fdbs: Current number of FDBs
* @component_type: Component type of this bridge
*/
struct dpsw_attr {
int id;
u64 options;
u16 max_vlans;
u8 max_meters_per_if;
u8 max_fdbs;
u16 max_fdb_entries;
u16 fdb_aging_time;
u16 max_fdb_mc_groups;
u16 num_ifs;
u16 mem_size;
u16 num_vlans;
u8 num_fdbs;
enum dpsw_component_type component_type;
};
int dpsw_get_attributes(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpsw_attr *attr);
/**
* enum dpsw_action - Action selection for special/control frames
* @DPSW_ACTION_DROP: Drop frame
* @DPSW_ACTION_REDIRECT: Redirect frame to control port
*/
enum dpsw_action {
DPSW_ACTION_DROP = 0,
DPSW_ACTION_REDIRECT = 1
};
/**
* Enable auto-negotiation
*/
#define DPSW_LINK_OPT_AUTONEG 0x0000000000000001ULL
/**
* Enable half-duplex mode
*/
#define DPSW_LINK_OPT_HALF_DUPLEX 0x0000000000000002ULL
/**
* Enable pause frames
*/
#define DPSW_LINK_OPT_PAUSE 0x0000000000000004ULL
/**
* Enable a-symmetric pause frames
*/
#define DPSW_LINK_OPT_ASYM_PAUSE 0x0000000000000008ULL
/**
* struct dpsw_link_cfg - Structure representing DPSW link configuration
* @rate: Rate
* @options: Mask of available options; use 'DPSW_LINK_OPT_<X>' values
*/
struct dpsw_link_cfg {
u32 rate;
u64 options;
};
int dpsw_if_set_link_cfg(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u16 if_id,
struct dpsw_link_cfg *cfg);
/**
* struct dpsw_link_state - Structure representing DPSW link state
* @rate: Rate
* @options: Mask of available options; use 'DPSW_LINK_OPT_<X>' values
* @up: 0 - covers two cases: down and disconnected, 1 - up
*/
struct dpsw_link_state {
u32 rate;
u64 options;
u8 up;
};
int dpsw_if_get_link_state(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u16 if_id,
struct dpsw_link_state *state);
int dpsw_if_set_flooding(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u16 if_id,
u8 en);
int dpsw_if_set_broadcast(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u16 if_id,
u8 en);
/**
* struct dpsw_tci_cfg - Tag Control Information (TCI) configuration
* @pcp: Priority Code Point (PCP): a 3-bit field which refers
* to the IEEE 802.1p priority
* @dei: Drop Eligible Indicator (DEI): a 1-bit field. May be used
* separately or in conjunction with PCP to indicate frames
* eligible to be dropped in the presence of congestion
* @vlan_id: VLAN Identifier (VID): a 12-bit field specifying the VLAN
* to which the frame belongs. The hexadecimal values
* of 0x000 and 0xFFF are reserved;
* all other values may be used as VLAN identifiers,
* allowing up to 4,094 VLANs
*/
struct dpsw_tci_cfg {
u8 pcp;
u8 dei;
u16 vlan_id;
};
int dpsw_if_set_tci(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u16 if_id,
const struct dpsw_tci_cfg *cfg);
/**
* enum dpsw_stp_state - Spanning Tree Protocol (STP) states
* @DPSW_STP_STATE_BLOCKING: Blocking state
* @DPSW_STP_STATE_LISTENING: Listening state
* @DPSW_STP_STATE_LEARNING: Learning state
* @DPSW_STP_STATE_FORWARDING: Forwarding state
*
*/
enum dpsw_stp_state {
DPSW_STP_STATE_DISABLED = 0,
DPSW_STP_STATE_LISTENING = 1,
DPSW_STP_STATE_LEARNING = 2,
DPSW_STP_STATE_FORWARDING = 3,
DPSW_STP_STATE_BLOCKING = 0
};
/**
* struct dpsw_stp_cfg - Spanning Tree Protocol (STP) Configuration
* @vlan_id: VLAN ID STP state
* @state: STP state
*/
struct dpsw_stp_cfg {
u16 vlan_id;
enum dpsw_stp_state state;
};
int dpsw_if_set_stp(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u16 if_id,
const struct dpsw_stp_cfg *cfg);
/**
* enum dpsw_accepted_frames - Types of frames to accept
* @DPSW_ADMIT_ALL: The device accepts VLAN tagged, untagged and
* priority tagged frames
* @DPSW_ADMIT_ONLY_VLAN_TAGGED: The device discards untagged frames or
* Priority-Tagged frames received on this interface.
*
*/
enum dpsw_accepted_frames {
DPSW_ADMIT_ALL = 1,
DPSW_ADMIT_ONLY_VLAN_TAGGED = 3
};
/**
* enum dpsw_counter - Counters types
* @DPSW_CNT_ING_FRAME: Counts ingress frames
* @DPSW_CNT_ING_BYTE: Counts ingress bytes
* @DPSW_CNT_ING_FLTR_FRAME: Counts filtered ingress frames
* @DPSW_CNT_ING_FRAME_DISCARD: Counts discarded ingress frame
* @DPSW_CNT_ING_MCAST_FRAME: Counts ingress multicast frames
* @DPSW_CNT_ING_MCAST_BYTE: Counts ingress multicast bytes
* @DPSW_CNT_ING_BCAST_FRAME: Counts ingress broadcast frames
* @DPSW_CNT_ING_BCAST_BYTES: Counts ingress broadcast bytes
* @DPSW_CNT_EGR_FRAME: Counts egress frames
* @DPSW_CNT_EGR_BYTE: Counts eEgress bytes
* @DPSW_CNT_EGR_FRAME_DISCARD: Counts discarded egress frames
* @DPSW_CNT_EGR_STP_FRAME_DISCARD: Counts egress STP discarded frames
*/
enum dpsw_counter {
DPSW_CNT_ING_FRAME = 0x0,
DPSW_CNT_ING_BYTE = 0x1,
DPSW_CNT_ING_FLTR_FRAME = 0x2,
DPSW_CNT_ING_FRAME_DISCARD = 0x3,
DPSW_CNT_ING_MCAST_FRAME = 0x4,
DPSW_CNT_ING_MCAST_BYTE = 0x5,
DPSW_CNT_ING_BCAST_FRAME = 0x6,
DPSW_CNT_ING_BCAST_BYTES = 0x7,
DPSW_CNT_EGR_FRAME = 0x8,
DPSW_CNT_EGR_BYTE = 0x9,
DPSW_CNT_EGR_FRAME_DISCARD = 0xa,
DPSW_CNT_EGR_STP_FRAME_DISCARD = 0xb
};
int dpsw_if_get_counter(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u16 if_id,
enum dpsw_counter type,
u64 *counter);
int dpsw_if_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u16 if_id);
int dpsw_if_disable(struct fsl_mc_io *mc_io,
|