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linux/include/soc/mscc/ocelot.h
Yangbo Lu cc2d87bb83 net: mscc: ocelot: support 4 PTP programmable pins 
Support 4 PTP programmable pins with only PTP_PF_PEROUT function
for now. The PTP_PF_EXTTS function will be supported in the
future, and it should be implemented separately for Felix and
Ocelot, because of different hardware interrupt implementation
in them.

Since the hardware is not able to support absolute start time,
the periodic clock request only allows start time 0 0. But nsec
could be accepted for PPS case for phase adjustment.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:33 -07:00

645 lines
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/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
/* Copyright (c) 2017 Microsemi Corporation
*/
#ifndef _SOC_MSCC_OCELOT_H
#define _SOC_MSCC_OCELOT_H
#include <linux/ptp_clock_kernel.h>
#include <linux/net_tstamp.h>
#include <linux/if_vlan.h>
#include <linux/regmap.h>
#include <net/dsa.h>
/* Port Group IDs (PGID) are masks of destination ports.
*
* For L2 forwarding, the switch performs 3 lookups in the PGID table for each
* frame, and forwards the frame to the ports that are present in the logical
* AND of all 3 PGIDs.
*
* These PGID lookups are:
* - In one of PGID[0-63]: for the destination masks. There are 2 paths by
* which the switch selects a destination PGID:
* - The {DMAC, VID} is present in the MAC table. In that case, the
* destination PGID is given by the DEST_IDX field of the MAC table entry
* that matched.
* - The {DMAC, VID} is not present in the MAC table (it is unknown). The
* frame is disseminated as being either unicast, multicast or broadcast,
* and according to that, the destination PGID is chosen as being the
* value contained by ANA_FLOODING_FLD_UNICAST,
* ANA_FLOODING_FLD_MULTICAST or ANA_FLOODING_FLD_BROADCAST.
* The destination PGID can be an unicast set: the first PGIDs, 0 to
* ocelot->num_phys_ports - 1, or a multicast set: the PGIDs from
* ocelot->num_phys_ports to 63. By convention, a unicast PGID corresponds to
* a physical port and has a single bit set in the destination ports mask:
* that corresponding to the port number itself. In contrast, a multicast
* PGID will have potentially more than one single bit set in the destination
* ports mask.
* - In one of PGID[64-79]: for the aggregation mask. The switch classifier
* dissects each frame and generates a 4-bit Link Aggregation Code which is
* used for this second PGID table lookup. The goal of link aggregation is to
* hash multiple flows within the same LAG on to different destination ports.
* The first lookup will result in a PGID with all the LAG members present in
* the destination ports mask, and the second lookup, by Link Aggregation
* Code, will ensure that each flow gets forwarded only to a single port out
* of that mask (there are no duplicates).
* - In one of PGID[80-90]: for the source mask. The third time, the PGID table
* is indexed with the ingress port (plus 80). These PGIDs answer the
* question "is port i allowed to forward traffic to port j?" If yes, then
* BIT(j) of PGID 80+i will be found set. The third PGID lookup can be used
* to enforce the L2 forwarding matrix imposed by e.g. a Linux bridge.
*/
/* Reserve some destination PGIDs at the end of the range:
* PGID_CPU: used for whitelisting certain MAC addresses, such as the addresses
* of the switch port net devices, towards the CPU port module.
* PGID_UC: the flooding destinations for unknown unicast traffic.
* PGID_MC: the flooding destinations for broadcast and non-IP multicast
* traffic.
* PGID_MCIPV4: the flooding destinations for IPv4 multicast traffic.
* PGID_MCIPV6: the flooding destinations for IPv6 multicast traffic.
*/
#define PGID_CPU 59
#define PGID_UC 60
#define PGID_MC 61
#define PGID_MCIPV4 62
#define PGID_MCIPV6 63
/* Aggregation PGIDs, one per Link Aggregation Code */
#define PGID_AGGR 64
/* Source PGIDs, one per physical port */
#define PGID_SRC 80
#define IFH_INJ_BYPASS BIT(31)
#define IFH_INJ_POP_CNT_DISABLE (3 << 28)
#define IFH_TAG_TYPE_C 0
#define IFH_TAG_TYPE_S 1
#define IFH_REW_OP_NOOP 0x0
#define IFH_REW_OP_DSCP 0x1
#define IFH_REW_OP_ONE_STEP_PTP 0x2
#define IFH_REW_OP_TWO_STEP_PTP 0x3
#define IFH_REW_OP_ORIGIN_PTP 0x5
#define OCELOT_TAG_LEN 16
#define OCELOT_SHORT_PREFIX_LEN 4
#define OCELOT_LONG_PREFIX_LEN 16
#define OCELOT_SPEED_2500 0
#define OCELOT_SPEED_1000 1
#define OCELOT_SPEED_100 2
#define OCELOT_SPEED_10 3
#define OCELOT_PTP_PINS_NUM 4
#define TARGET_OFFSET 24
#define REG_MASK GENMASK(TARGET_OFFSET - 1, 0)
#define REG(reg, offset) [reg & REG_MASK] = offset
#define REG_RESERVED_ADDR 0xffffffff
#define REG_RESERVED(reg) REG(reg, REG_RESERVED_ADDR)
enum ocelot_target {
ANA = 1,
QS,
QSYS,
REW,
SYS,
S2,
HSIO,
PTP,
GCB,
TARGET_MAX,
};
enum ocelot_reg {
ANA_ADVLEARN = ANA << TARGET_OFFSET,
ANA_VLANMASK,
ANA_PORT_B_DOMAIN,
ANA_ANAGEFIL,
ANA_ANEVENTS,
ANA_STORMLIMIT_BURST,
ANA_STORMLIMIT_CFG,
ANA_ISOLATED_PORTS,
ANA_COMMUNITY_PORTS,
ANA_AUTOAGE,
ANA_MACTOPTIONS,
ANA_LEARNDISC,
ANA_AGENCTRL,
ANA_MIRRORPORTS,
ANA_EMIRRORPORTS,
ANA_FLOODING,
ANA_FLOODING_IPMC,
ANA_SFLOW_CFG,
ANA_PORT_MODE,
ANA_CUT_THRU_CFG,
ANA_PGID_PGID,
ANA_TABLES_ANMOVED,
ANA_TABLES_MACHDATA,
ANA_TABLES_MACLDATA,
ANA_TABLES_STREAMDATA,
ANA_TABLES_MACACCESS,
ANA_TABLES_MACTINDX,
ANA_TABLES_VLANACCESS,
ANA_TABLES_VLANTIDX,
ANA_TABLES_ISDXACCESS,
ANA_TABLES_ISDXTIDX,
ANA_TABLES_ENTRYLIM,
ANA_TABLES_PTP_ID_HIGH,
ANA_TABLES_PTP_ID_LOW,
ANA_TABLES_STREAMACCESS,
ANA_TABLES_STREAMTIDX,
ANA_TABLES_SEQ_HISTORY,
ANA_TABLES_SEQ_MASK,
ANA_TABLES_SFID_MASK,
ANA_TABLES_SFIDACCESS,
ANA_TABLES_SFIDTIDX,
ANA_MSTI_STATE,
ANA_OAM_UPM_LM_CNT,
ANA_SG_ACCESS_CTRL,
ANA_SG_CONFIG_REG_1,
ANA_SG_CONFIG_REG_2,
ANA_SG_CONFIG_REG_3,
ANA_SG_CONFIG_REG_4,
ANA_SG_CONFIG_REG_5,
ANA_SG_GCL_GS_CONFIG,
ANA_SG_GCL_TI_CONFIG,
ANA_SG_STATUS_REG_1,
ANA_SG_STATUS_REG_2,
ANA_SG_STATUS_REG_3,
ANA_PORT_VLAN_CFG,
ANA_PORT_DROP_CFG,
ANA_PORT_QOS_CFG,
ANA_PORT_VCAP_CFG,
ANA_PORT_VCAP_S1_KEY_CFG,
ANA_PORT_VCAP_S2_CFG,
ANA_PORT_PCP_DEI_MAP,
ANA_PORT_CPU_FWD_CFG,
ANA_PORT_CPU_FWD_BPDU_CFG,
ANA_PORT_CPU_FWD_GARP_CFG,
ANA_PORT_CPU_FWD_CCM_CFG,
ANA_PORT_PORT_CFG,
ANA_PORT_POL_CFG,
ANA_PORT_PTP_CFG,
ANA_PORT_PTP_DLY1_CFG,
ANA_PORT_PTP_DLY2_CFG,
ANA_PORT_SFID_CFG,
ANA_PFC_PFC_CFG,
ANA_PFC_PFC_TIMER,
ANA_IPT_OAM_MEP_CFG,
ANA_IPT_IPT,
ANA_PPT_PPT,
ANA_FID_MAP_FID_MAP,
ANA_AGGR_CFG,
ANA_CPUQ_CFG,
ANA_CPUQ_CFG2,
ANA_CPUQ_8021_CFG,
ANA_DSCP_CFG,
ANA_DSCP_REWR_CFG,
ANA_VCAP_RNG_TYPE_CFG,
ANA_VCAP_RNG_VAL_CFG,
ANA_VRAP_CFG,
ANA_VRAP_HDR_DATA,
ANA_VRAP_HDR_MASK,
ANA_DISCARD_CFG,
ANA_FID_CFG,
ANA_POL_PIR_CFG,
ANA_POL_CIR_CFG,
ANA_POL_MODE_CFG,
ANA_POL_PIR_STATE,
ANA_POL_CIR_STATE,
ANA_POL_STATE,
ANA_POL_FLOWC,
ANA_POL_HYST,
ANA_POL_MISC_CFG,
QS_XTR_GRP_CFG = QS << TARGET_OFFSET,
QS_XTR_RD,
QS_XTR_FRM_PRUNING,
QS_XTR_FLUSH,
QS_XTR_DATA_PRESENT,
QS_XTR_CFG,
QS_INJ_GRP_CFG,
QS_INJ_WR,
QS_INJ_CTRL,
QS_INJ_STATUS,
QS_INJ_ERR,
QS_INH_DBG,
QSYS_PORT_MODE = QSYS << TARGET_OFFSET,
QSYS_SWITCH_PORT_MODE,
QSYS_STAT_CNT_CFG,
QSYS_EEE_CFG,
QSYS_EEE_THRES,
QSYS_IGR_NO_SHARING,
QSYS_EGR_NO_SHARING,
QSYS_SW_STATUS,
QSYS_EXT_CPU_CFG,
QSYS_PAD_CFG,
QSYS_CPU_GROUP_MAP,
QSYS_QMAP,
QSYS_ISDX_SGRP,
QSYS_TIMED_FRAME_ENTRY,
QSYS_TFRM_MISC,
QSYS_TFRM_PORT_DLY,
QSYS_TFRM_TIMER_CFG_1,
QSYS_TFRM_TIMER_CFG_2,
QSYS_TFRM_TIMER_CFG_3,
QSYS_TFRM_TIMER_CFG_4,
QSYS_TFRM_TIMER_CFG_5,
QSYS_TFRM_TIMER_CFG_6,
QSYS_TFRM_TIMER_CFG_7,
QSYS_TFRM_TIMER_CFG_8,
QSYS_RED_PROFILE,
QSYS_RES_QOS_MODE,
QSYS_RES_CFG,
QSYS_RES_STAT,
QSYS_EGR_DROP_MODE,
QSYS_EQ_CTRL,
QSYS_EVENTS_CORE,
QSYS_QMAXSDU_CFG_0,
QSYS_QMAXSDU_CFG_1,
QSYS_QMAXSDU_CFG_2,
QSYS_QMAXSDU_CFG_3,
QSYS_QMAXSDU_CFG_4,
QSYS_QMAXSDU_CFG_5,
QSYS_QMAXSDU_CFG_6,
QSYS_QMAXSDU_CFG_7,
QSYS_PREEMPTION_CFG,
QSYS_CIR_CFG,
QSYS_EIR_CFG,
QSYS_SE_CFG,
QSYS_SE_DWRR_CFG,
QSYS_SE_CONNECT,
QSYS_SE_DLB_SENSE,
QSYS_CIR_STATE,
QSYS_EIR_STATE,
QSYS_SE_STATE,
QSYS_HSCH_MISC_CFG,
QSYS_TAG_CONFIG,
QSYS_TAS_PARAM_CFG_CTRL,
QSYS_PORT_MAX_SDU,
QSYS_PARAM_CFG_REG_1,
QSYS_PARAM_CFG_REG_2,
QSYS_PARAM_CFG_REG_3,
QSYS_PARAM_CFG_REG_4,
QSYS_PARAM_CFG_REG_5,
QSYS_GCL_CFG_REG_1,
QSYS_GCL_CFG_REG_2,
QSYS_PARAM_STATUS_REG_1,
QSYS_PARAM_STATUS_REG_2,
QSYS_PARAM_STATUS_REG_3,
QSYS_PARAM_STATUS_REG_4,
QSYS_PARAM_STATUS_REG_5,
QSYS_PARAM_STATUS_REG_6,
QSYS_PARAM_STATUS_REG_7,
QSYS_PARAM_STATUS_REG_8,
QSYS_PARAM_STATUS_REG_9,
QSYS_GCL_STATUS_REG_1,
QSYS_GCL_STATUS_REG_2,
REW_PORT_VLAN_CFG = REW << TARGET_OFFSET,
REW_TAG_CFG,
REW_PORT_CFG,
REW_DSCP_CFG,
REW_PCP_DEI_QOS_MAP_CFG,
REW_PTP_CFG,
REW_PTP_DLY1_CFG,
REW_RED_TAG_CFG,
REW_DSCP_REMAP_DP1_CFG,
REW_DSCP_REMAP_CFG,
REW_STAT_CFG,
REW_REW_STICKY,
REW_PPT,
SYS_COUNT_RX_OCTETS = SYS << TARGET_OFFSET,
SYS_COUNT_RX_UNICAST,
SYS_COUNT_RX_MULTICAST,
SYS_COUNT_RX_BROADCAST,
SYS_COUNT_RX_SHORTS,
SYS_COUNT_RX_FRAGMENTS,
SYS_COUNT_RX_JABBERS,
SYS_COUNT_RX_CRC_ALIGN_ERRS,
SYS_COUNT_RX_SYM_ERRS,
SYS_COUNT_RX_64,
SYS_COUNT_RX_65_127,
SYS_COUNT_RX_128_255,
SYS_COUNT_RX_256_1023,
SYS_COUNT_RX_1024_1526,
SYS_COUNT_RX_1527_MAX,
SYS_COUNT_RX_PAUSE,
SYS_COUNT_RX_CONTROL,
SYS_COUNT_RX_LONGS,
SYS_COUNT_RX_CLASSIFIED_DROPS,
SYS_COUNT_TX_OCTETS,
SYS_COUNT_TX_UNICAST,
SYS_COUNT_TX_MULTICAST,
SYS_COUNT_TX_BROADCAST,
SYS_COUNT_TX_COLLISION,
SYS_COUNT_TX_DROPS,
SYS_COUNT_TX_PAUSE,
SYS_COUNT_TX_64,
SYS_COUNT_TX_65_127,
SYS_COUNT_TX_128_511,
SYS_COUNT_TX_512_1023,
SYS_COUNT_TX_1024_1526,
SYS_COUNT_TX_1527_MAX,
SYS_COUNT_TX_AGING,
SYS_RESET_CFG,
SYS_SR_ETYPE_CFG,
SYS_VLAN_ETYPE_CFG,
SYS_PORT_MODE,
SYS_FRONT_PORT_MODE,
SYS_FRM_AGING,
SYS_STAT_CFG,
SYS_SW_STATUS,
SYS_MISC_CFG,
SYS_REW_MAC_HIGH_CFG,
SYS_REW_MAC_LOW_CFG,
SYS_TIMESTAMP_OFFSET,
SYS_CMID,
SYS_PAUSE_CFG,
SYS_PAUSE_TOT_CFG,
SYS_ATOP,
SYS_ATOP_TOT_CFG,
SYS_MAC_FC_CFG,
SYS_MMGT,
SYS_MMGT_FAST,
SYS_EVENTS_DIF,
SYS_EVENTS_CORE,
SYS_CNT,
SYS_PTP_STATUS,
SYS_PTP_TXSTAMP,
SYS_PTP_NXT,
SYS_PTP_CFG,
SYS_RAM_INIT,
SYS_CM_ADDR,
SYS_CM_DATA_WR,
SYS_CM_DATA_RD,
SYS_CM_OP,
SYS_CM_DATA,
S2_CORE_UPDATE_CTRL = S2 << TARGET_OFFSET,
S2_CORE_MV_CFG,
S2_CACHE_ENTRY_DAT,
S2_CACHE_MASK_DAT,
S2_CACHE_ACTION_DAT,
S2_CACHE_CNT_DAT,
S2_CACHE_TG_DAT,
PTP_PIN_CFG = PTP << TARGET_OFFSET,
PTP_PIN_TOD_SEC_MSB,
PTP_PIN_TOD_SEC_LSB,
PTP_PIN_TOD_NSEC,
PTP_PIN_WF_HIGH_PERIOD,
PTP_PIN_WF_LOW_PERIOD,
PTP_CFG_MISC,
PTP_CLK_CFG_ADJ_CFG,
PTP_CLK_CFG_ADJ_FREQ,
GCB_SOFT_RST = GCB << TARGET_OFFSET,
};
enum ocelot_regfield {
ANA_ADVLEARN_VLAN_CHK,
ANA_ADVLEARN_LEARN_MIRROR,
ANA_ANEVENTS_FLOOD_DISCARD,
ANA_ANEVENTS_MSTI_DROP,
ANA_ANEVENTS_ACLKILL,
ANA_ANEVENTS_ACLUSED,
ANA_ANEVENTS_AUTOAGE,
ANA_ANEVENTS_VS2TTL1,
ANA_ANEVENTS_STORM_DROP,
ANA_ANEVENTS_LEARN_DROP,
ANA_ANEVENTS_AGED_ENTRY,
ANA_ANEVENTS_CPU_LEARN_FAILED,
ANA_ANEVENTS_AUTO_LEARN_FAILED,
ANA_ANEVENTS_LEARN_REMOVE,
ANA_ANEVENTS_AUTO_LEARNED,
ANA_ANEVENTS_AUTO_MOVED,
ANA_ANEVENTS_DROPPED,
ANA_ANEVENTS_CLASSIFIED_DROP,
ANA_ANEVENTS_CLASSIFIED_COPY,
ANA_ANEVENTS_VLAN_DISCARD,
ANA_ANEVENTS_FWD_DISCARD,
ANA_ANEVENTS_MULTICAST_FLOOD,
ANA_ANEVENTS_UNICAST_FLOOD,
ANA_ANEVENTS_DEST_KNOWN,
ANA_ANEVENTS_BUCKET3_MATCH,
ANA_ANEVENTS_BUCKET2_MATCH,
ANA_ANEVENTS_BUCKET1_MATCH,
ANA_ANEVENTS_BUCKET0_MATCH,
ANA_ANEVENTS_CPU_OPERATION,
ANA_ANEVENTS_DMAC_LOOKUP,
ANA_ANEVENTS_SMAC_LOOKUP,
ANA_ANEVENTS_SEQ_GEN_ERR_0,
ANA_ANEVENTS_SEQ_GEN_ERR_1,
ANA_TABLES_MACACCESS_B_DOM,
ANA_TABLES_MACTINDX_BUCKET,
ANA_TABLES_MACTINDX_M_INDEX,
QSYS_TIMED_FRAME_ENTRY_TFRM_VLD,
QSYS_TIMED_FRAME_ENTRY_TFRM_FP,
QSYS_TIMED_FRAME_ENTRY_TFRM_PORTNO,
QSYS_TIMED_FRAME_ENTRY_TFRM_TM_SEL,
QSYS_TIMED_FRAME_ENTRY_TFRM_TM_T,
SYS_RESET_CFG_CORE_ENA,
SYS_RESET_CFG_MEM_ENA,
SYS_RESET_CFG_MEM_INIT,
GCB_SOFT_RST_SWC_RST,
REGFIELD_MAX
};
enum ocelot_ptp_pins {
PTP_PIN_0,
PTP_PIN_1,
PTP_PIN_2,
PTP_PIN_3,
TOD_ACC_PIN
};
struct ocelot_stat_layout {
u32 offset;
char name[ETH_GSTRING_LEN];
};
enum ocelot_tag_prefix {
OCELOT_TAG_PREFIX_DISABLED = 0,
OCELOT_TAG_PREFIX_NONE,
OCELOT_TAG_PREFIX_SHORT,
OCELOT_TAG_PREFIX_LONG,
};
struct ocelot;
struct ocelot_ops {
int (*reset)(struct ocelot *ocelot);
};
struct ocelot_acl_block {
struct list_head rules;
int count;
int pol_lpr;
};
struct ocelot_port {
struct ocelot *ocelot;
void __iomem *regs;
bool vlan_aware;
/* Ingress default VLAN (pvid) */
u16 pvid;
/* Egress default VLAN (vid) */
u16 vid;
u8 ptp_cmd;
struct sk_buff_head tx_skbs;
u8 ts_id;
phy_interface_t phy_mode;
};
struct ocelot {
struct device *dev;
const struct ocelot_ops *ops;
struct regmap *targets[TARGET_MAX];
struct regmap_field *regfields[REGFIELD_MAX];
const u32 *const *map;
const struct ocelot_stat_layout *stats_layout;
unsigned int num_stats;
int shared_queue_sz;
struct net_device *hw_bridge_dev;
u16 bridge_mask;
u16 bridge_fwd_mask;
struct ocelot_port **ports;
u8 base_mac[ETH_ALEN];
/* Keep track of the vlan port masks */
u32 vlan_mask[VLAN_N_VID];
/* In tables like ANA:PORT and the ANA:PGID:PGID mask,
* the CPU is located after the physical ports (at the
* num_phys_ports index).
*/
u8 num_phys_ports;
int npi;
enum ocelot_tag_prefix inj_prefix;
enum ocelot_tag_prefix xtr_prefix;
u32 *lags;
struct list_head multicast;
struct ocelot_acl_block acl_block;
const struct vcap_field *vcap_is2_keys;
const struct vcap_field *vcap_is2_actions;
const struct vcap_props *vcap;
/* Workqueue to check statistics for overflow with its lock */
struct mutex stats_lock;
u64 *stats;
struct delayed_work stats_work;
struct workqueue_struct *stats_queue;
u8 ptp:1;
struct ptp_clock *ptp_clock;
struct ptp_clock_info ptp_info;
struct hwtstamp_config hwtstamp_config;
/* Protects the PTP interface state */
struct mutex ptp_lock;
/* Protects the PTP clock */
spinlock_t ptp_clock_lock;
struct ptp_pin_desc ptp_pins[OCELOT_PTP_PINS_NUM];
};
struct ocelot_policer {
u32 rate; /* kilobit per second */
u32 burst; /* bytes */
};
#define ocelot_read_ix(ocelot, reg, gi, ri) __ocelot_read_ix(ocelot, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri))
#define ocelot_read_gix(ocelot, reg, gi) __ocelot_read_ix(ocelot, reg, reg##_GSZ * (gi))
#define ocelot_read_rix(ocelot, reg, ri) __ocelot_read_ix(ocelot, reg, reg##_RSZ * (ri))
#define ocelot_read(ocelot, reg) __ocelot_read_ix(ocelot, reg, 0)
#define ocelot_write_ix(ocelot, val, reg, gi, ri) __ocelot_write_ix(ocelot, val, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri))
#define ocelot_write_gix(ocelot, val, reg, gi) __ocelot_write_ix(ocelot, val, reg, reg##_GSZ * (gi))
#define ocelot_write_rix(ocelot, val, reg, ri) __ocelot_write_ix(ocelot, val, reg, reg##_RSZ * (ri))
#define ocelot_write(ocelot, val, reg) __ocelot_write_ix(ocelot, val, reg, 0)
#define ocelot_rmw_ix(ocelot, val, m, reg, gi, ri) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri))
#define ocelot_rmw_gix(ocelot, val, m, reg, gi) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_GSZ * (gi))
#define ocelot_rmw_rix(ocelot, val, m, reg, ri) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_RSZ * (ri))
#define ocelot_rmw(ocelot, val, m, reg) __ocelot_rmw_ix(ocelot, val, m, reg, 0)
/* I/O */
u32 ocelot_port_readl(struct ocelot_port *port, u32 reg);
void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg);
u32 __ocelot_read_ix(struct ocelot *ocelot, u32 reg, u32 offset);
void __ocelot_write_ix(struct ocelot *ocelot, u32 val, u32 reg, u32 offset);
void __ocelot_rmw_ix(struct ocelot *ocelot, u32 val, u32 mask, u32 reg,
u32 offset);
/* Hardware initialization */
int ocelot_regfields_init(struct ocelot *ocelot,
const struct reg_field *const regfields);
struct regmap *ocelot_regmap_init(struct ocelot *ocelot, struct resource *res);
void ocelot_configure_cpu(struct ocelot *ocelot, int npi,
enum ocelot_tag_prefix injection,
enum ocelot_tag_prefix extraction);
int ocelot_init(struct ocelot *ocelot);
void ocelot_deinit(struct ocelot *ocelot);
void ocelot_init_port(struct ocelot *ocelot, int port);
/* DSA callbacks */
void ocelot_port_enable(struct ocelot *ocelot, int port,
struct phy_device *phy);
void ocelot_port_disable(struct ocelot *ocelot, int port);
void ocelot_get_strings(struct ocelot *ocelot, int port, u32 sset, u8 *data);
void ocelot_get_ethtool_stats(struct ocelot *ocelot, int port, u64 *data);
int ocelot_get_sset_count(struct ocelot *ocelot, int port, int sset);
int ocelot_get_ts_info(struct ocelot *ocelot, int port,
struct ethtool_ts_info *info);
void ocelot_set_ageing_time(struct ocelot *ocelot, unsigned int msecs);
void ocelot_adjust_link(struct ocelot *ocelot, int port,
struct phy_device *phydev);
void ocelot_port_vlan_filtering(struct ocelot *ocelot, int port,
bool vlan_aware);
void ocelot_bridge_stp_state_set(struct ocelot *ocelot, int port, u8 state);
int ocelot_port_bridge_join(struct ocelot *ocelot, int port,
struct net_device *bridge);
int ocelot_port_bridge_leave(struct ocelot *ocelot, int port,
struct net_device *bridge);
int ocelot_fdb_dump(struct ocelot *ocelot, int port,
dsa_fdb_dump_cb_t *cb, void *data);
int ocelot_fdb_add(struct ocelot *ocelot, int port,
const unsigned char *addr, u16 vid);
int ocelot_fdb_del(struct ocelot *ocelot, int port,
const unsigned char *addr, u16 vid);
int ocelot_vlan_add(struct ocelot *ocelot, int port, u16 vid, bool pvid,
bool untagged);
int ocelot_vlan_del(struct ocelot *ocelot, int port, u16 vid);
int ocelot_hwstamp_get(struct ocelot *ocelot, int port, struct ifreq *ifr);
int ocelot_hwstamp_set(struct ocelot *ocelot, int port, struct ifreq *ifr);
int ocelot_port_add_txtstamp_skb(struct ocelot_port *ocelot_port,
struct sk_buff *skb);
void ocelot_get_txtstamp(struct ocelot *ocelot);
void ocelot_port_set_maxlen(struct ocelot *ocelot, int port, size_t sdu);
int ocelot_get_max_mtu(struct ocelot *ocelot, int port);
int ocelot_port_policer_add(struct ocelot *ocelot, int port,
struct ocelot_policer *pol);
int ocelot_port_policer_del(struct ocelot *ocelot, int port);
int ocelot_cls_flower_replace(struct ocelot *ocelot, int port,
struct flow_cls_offload *f, bool ingress);
int ocelot_cls_flower_destroy(struct ocelot *ocelot, int port,
struct flow_cls_offload *f, bool ingress);
int ocelot_cls_flower_stats(struct ocelot *ocelot, int port,
struct flow_cls_offload *f, bool ingress);
#endif
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