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numam-dpdk/drivers/net/axgbe/axgbe_ethdev.h
Joyce Kong 4693ae4a74 net/axgbe: use common bit operations API 
Remove its own bit operation APIs and use the common one,
this can reduce the code duplication largely.

Signed-off-by: Joyce Kong <joyce.kong@arm.com>
Reviewed-by: Gavin Hu <gavin.hu@arm.com>
2020-06-16 14:34:42 +02:00

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
* Copyright(c) 2018 Synopsys, Inc. All rights reserved.
*/
#ifndef RTE_ETH_AXGBE_H_
#define RTE_ETH_AXGBE_H_
#include <rte_mempool.h>
#include <rte_lcore.h>
#include "axgbe_common.h"
#define IRQ 0xff
#define VLAN_HLEN 4
#define AXGBE_TX_MAX_BUF_SIZE (0x3fff & ~(64 - 1))
#define AXGBE_RX_MAX_BUF_SIZE (0x3fff & ~(64 - 1))
#define AXGBE_RX_MIN_BUF_SIZE (RTE_ETHER_MAX_LEN + VLAN_HLEN)
#define AXGBE_MAX_MAC_ADDRS 32
#define AXGBE_MAX_HASH_MAC_ADDRS 256
#define AXGBE_RX_BUF_ALIGN 64
#define AXGBE_MAX_DMA_CHANNELS 16
#define AXGBE_MAX_QUEUES 16
#define AXGBE_PRIORITY_QUEUES 8
#define AXGBE_DMA_STOP_TIMEOUT 1
/* DMA cache settings - Outer sharable, write-back, write-allocate */
#define AXGBE_DMA_OS_AXDOMAIN 0x2
#define AXGBE_DMA_OS_ARCACHE 0xb
#define AXGBE_DMA_OS_AWCACHE 0xf
/* DMA cache settings - System, no caches used */
#define AXGBE_DMA_SYS_AXDOMAIN 0x3
#define AXGBE_DMA_SYS_ARCACHE 0x0
#define AXGBE_DMA_SYS_AWCACHE 0x0
/* DMA channel interrupt modes */
#define AXGBE_IRQ_MODE_EDGE 0
#define AXGBE_IRQ_MODE_LEVEL 1
#define AXGBE_DMA_INTERRUPT_MASK 0x31c7
#define AXGMAC_MIN_PACKET 60
#define AXGMAC_STD_PACKET_MTU 1500
#define AXGMAC_MAX_STD_PACKET 1518
#define AXGMAC_JUMBO_PACKET_MTU 9000
#define AXGMAC_MAX_JUMBO_PACKET 9018
/* Inter-frame gap + preamble */
#define AXGMAC_ETH_PREAMBLE (12 + 8)
#define AXGMAC_PFC_DATA_LEN 46
#define AXGMAC_PFC_DELAYS 14000
/* PCI BAR mapping */
#define AXGBE_AXGMAC_BAR 0
#define AXGBE_XPCS_BAR 1
#define AXGBE_MAC_PROP_OFFSET 0x1d000
#define AXGBE_I2C_CTRL_OFFSET 0x1e000
/* PCI clock frequencies */
#define AXGBE_V2_DMA_CLOCK_FREQ 500000000
#define AXGBE_V2_PTP_CLOCK_FREQ 125000000
#define AXGMAC_FIFO_MIN_ALLOC 2048
#define AXGMAC_FIFO_UNIT 256
#define AXGMAC_FIFO_ALIGN(_x) \
(((_x) + AXGMAC_FIFO_UNIT - 1) & ~(XGMAC_FIFO_UNIT - 1))
#define AXGMAC_FIFO_FC_OFF 2048
#define AXGMAC_FIFO_FC_MIN 4096
#define AXGBE_TC_MIN_QUANTUM 10
/* Flow control queue count */
#define AXGMAC_MAX_FLOW_CONTROL_QUEUES 8
/* Flow control threshold units */
#define AXGMAC_FLOW_CONTROL_UNIT 512
#define AXGMAC_FLOW_CONTROL_ALIGN(_x) \
(((_x) + AXGMAC_FLOW_CONTROL_UNIT - 1) & \
~(AXGMAC_FLOW_CONTROL_UNIT - 1))
#define AXGMAC_FLOW_CONTROL_VALUE(_x) \
(((_x) < 1024) ? 0 : ((_x) / AXGMAC_FLOW_CONTROL_UNIT) - 2)
#define AXGMAC_FLOW_CONTROL_MAX 33280
/* Maximum MAC address hash table size (256 bits = 8 dword) */
#define AXGBE_MAC_HASH_TABLE_SIZE 8
/* Receive Side Scaling */
#define AXGBE_RSS_OFFLOAD ( \
ETH_RSS_IPV4 | \
ETH_RSS_NONFRAG_IPV4_TCP | \
ETH_RSS_NONFRAG_IPV4_UDP | \
ETH_RSS_IPV6 | \
ETH_RSS_NONFRAG_IPV6_TCP | \
ETH_RSS_NONFRAG_IPV6_UDP)
#define AXGBE_RSS_HASH_KEY_SIZE 40
#define AXGBE_RSS_MAX_TABLE_SIZE 256
#define AXGBE_RSS_LOOKUP_TABLE_TYPE 0
#define AXGBE_RSS_HASH_KEY_TYPE 1
/* Auto-negotiation */
#define AXGBE_AN_MS_TIMEOUT 500
#define AXGBE_LINK_TIMEOUT 5
#define AXGBE_SGMII_AN_LINK_STATUS BIT(1)
#define AXGBE_SGMII_AN_LINK_SPEED (BIT(2) | BIT(3))
#define AXGBE_SGMII_AN_LINK_SPEED_100 0x04
#define AXGBE_SGMII_AN_LINK_SPEED_1000 0x08
#define AXGBE_SGMII_AN_LINK_DUPLEX BIT(4)
/* ECC correctable error notification window (seconds) */
#define AXGBE_ECC_LIMIT 60
/* MDIO port types */
#define AXGMAC_MAX_C22_PORT 3
/* Helper macro for descriptor handling
* Always use AXGBE_GET_DESC_DATA to access the descriptor data
* since the index is free-running and needs to be and-ed
* with the descriptor count value of the ring to index to
* the proper descriptor data.
*/
#define AXGBE_GET_DESC_DATA(_ring, _idx) \
((_ring)->rdata + \
((_idx) & ((_ring)->rdesc_count - 1)))
struct axgbe_port;
enum axgbe_state {
AXGBE_DOWN,
AXGBE_LINK_INIT,
AXGBE_LINK_ERR,
AXGBE_STOPPED,
};
enum axgbe_int {
AXGMAC_INT_DMA_CH_SR_TI,
AXGMAC_INT_DMA_CH_SR_TPS,
AXGMAC_INT_DMA_CH_SR_TBU,
AXGMAC_INT_DMA_CH_SR_RI,
AXGMAC_INT_DMA_CH_SR_RBU,
AXGMAC_INT_DMA_CH_SR_RPS,
AXGMAC_INT_DMA_CH_SR_TI_RI,
AXGMAC_INT_DMA_CH_SR_FBE,
AXGMAC_INT_DMA_ALL,
};
enum axgbe_int_state {
AXGMAC_INT_STATE_SAVE,
AXGMAC_INT_STATE_RESTORE,
};
enum axgbe_ecc_sec {
AXGBE_ECC_SEC_TX,
AXGBE_ECC_SEC_RX,
AXGBE_ECC_SEC_DESC,
};
enum axgbe_speed {
AXGBE_SPEED_1000 = 0,
AXGBE_SPEED_2500,
AXGBE_SPEED_10000,
AXGBE_SPEEDS,
};
enum axgbe_xpcs_access {
AXGBE_XPCS_ACCESS_V1 = 0,
AXGBE_XPCS_ACCESS_V2,
};
enum axgbe_an_mode {
AXGBE_AN_MODE_CL73 = 0,
AXGBE_AN_MODE_CL73_REDRV,
AXGBE_AN_MODE_CL37,
AXGBE_AN_MODE_CL37_SGMII,
AXGBE_AN_MODE_NONE,
};
enum axgbe_an {
AXGBE_AN_READY = 0,
AXGBE_AN_PAGE_RECEIVED,
AXGBE_AN_INCOMPAT_LINK,
AXGBE_AN_COMPLETE,
AXGBE_AN_NO_LINK,
AXGBE_AN_ERROR,
};
enum axgbe_rx {
AXGBE_RX_BPA = 0,
AXGBE_RX_XNP,
AXGBE_RX_COMPLETE,
AXGBE_RX_ERROR,
};
enum axgbe_mode {
AXGBE_MODE_KX_1000 = 0,
AXGBE_MODE_KX_2500,
AXGBE_MODE_KR,
AXGBE_MODE_X,
AXGBE_MODE_SGMII_100,
AXGBE_MODE_SGMII_1000,
AXGBE_MODE_SFI,
AXGBE_MODE_UNKNOWN,
};
enum axgbe_speedset {
AXGBE_SPEEDSET_1000_10000 = 0,
AXGBE_SPEEDSET_2500_10000,
};
enum axgbe_mdio_mode {
AXGBE_MDIO_MODE_NONE = 0,
AXGBE_MDIO_MODE_CL22,
AXGBE_MDIO_MODE_CL45,
};
struct axgbe_phy {
uint32_t supported;
uint32_t advertising;
uint32_t lp_advertising;
int address;
int autoneg;
int speed;
int duplex;
int link;
int pause_autoneg;
int tx_pause;
int rx_pause;
};
enum axgbe_i2c_cmd {
AXGBE_I2C_CMD_READ = 0,
AXGBE_I2C_CMD_WRITE,
};
struct axgbe_i2c_op {
enum axgbe_i2c_cmd cmd;
unsigned int target;
uint8_t *buf;
unsigned int len;
};
struct axgbe_i2c_op_state {
struct axgbe_i2c_op *op;
unsigned int tx_len;
unsigned char *tx_buf;
unsigned int rx_len;
unsigned char *rx_buf;
unsigned int tx_abort_source;
int ret;
};
struct axgbe_i2c {
unsigned int started;
unsigned int max_speed_mode;
unsigned int rx_fifo_size;
unsigned int tx_fifo_size;
struct axgbe_i2c_op_state op_state;
};
struct axgbe_hw_if {
void (*config_flow_control)(struct axgbe_port *);
int (*config_rx_mode)(struct axgbe_port *);
int (*init)(struct axgbe_port *);
int (*read_mmd_regs)(struct axgbe_port *, int, int);
void (*write_mmd_regs)(struct axgbe_port *, int, int, int);
int (*set_speed)(struct axgbe_port *, int);
int (*set_ext_mii_mode)(struct axgbe_port *, unsigned int,
enum axgbe_mdio_mode);
int (*read_ext_mii_regs)(struct axgbe_port *, int, int);
int (*write_ext_mii_regs)(struct axgbe_port *, int, int, uint16_t);
/* For FLOW ctrl */
int (*config_tx_flow_control)(struct axgbe_port *);
int (*config_rx_flow_control)(struct axgbe_port *);
int (*exit)(struct axgbe_port *);
};
/* This structure represents implementation specific routines for an
* implementation of a PHY. All routines are required unless noted below.
* Optional routines:
* kr_training_pre, kr_training_post
*/
struct axgbe_phy_impl_if {
/* Perform Setup/teardown actions */
int (*init)(struct axgbe_port *);
void (*exit)(struct axgbe_port *);
/* Perform start/stop specific actions */
int (*reset)(struct axgbe_port *);
int (*start)(struct axgbe_port *);
void (*stop)(struct axgbe_port *);
/* Return the link status */
int (*link_status)(struct axgbe_port *, int *);
/* Indicate if a particular speed is valid */
int (*valid_speed)(struct axgbe_port *, int);
/* Check if the specified mode can/should be used */
bool (*use_mode)(struct axgbe_port *, enum axgbe_mode);
/* Switch the PHY into various modes */
void (*set_mode)(struct axgbe_port *, enum axgbe_mode);
/* Retrieve mode needed for a specific speed */
enum axgbe_mode (*get_mode)(struct axgbe_port *, int);
/* Retrieve new/next mode when trying to auto-negotiate */
enum axgbe_mode (*switch_mode)(struct axgbe_port *);
/* Retrieve current mode */
enum axgbe_mode (*cur_mode)(struct axgbe_port *);
/* Retrieve current auto-negotiation mode */
enum axgbe_an_mode (*an_mode)(struct axgbe_port *);
/* Configure auto-negotiation settings */
int (*an_config)(struct axgbe_port *);
/* Set/override auto-negotiation advertisement settings */
unsigned int (*an_advertising)(struct axgbe_port *port);
/* Process results of auto-negotiation */
enum axgbe_mode (*an_outcome)(struct axgbe_port *);
/* Pre/Post auto-negotiation support */
void (*an_pre)(struct axgbe_port *port);
void (*an_post)(struct axgbe_port *port);
/* Pre/Post KR training enablement support */
void (*kr_training_pre)(struct axgbe_port *);
void (*kr_training_post)(struct axgbe_port *);
};
struct axgbe_phy_if {
/* For PHY setup/teardown */
int (*phy_init)(struct axgbe_port *);
void (*phy_exit)(struct axgbe_port *);
/* For PHY support when setting device up/down */
int (*phy_reset)(struct axgbe_port *);
int (*phy_start)(struct axgbe_port *);
void (*phy_stop)(struct axgbe_port *);
/* For PHY support while device is up */
void (*phy_status)(struct axgbe_port *);
int (*phy_config_aneg)(struct axgbe_port *);
/* For PHY settings validation */
int (*phy_valid_speed)(struct axgbe_port *, int);
/* For single interrupt support */
void (*an_isr)(struct axgbe_port *);
/* PHY implementation specific services */
struct axgbe_phy_impl_if phy_impl;
};
struct axgbe_i2c_if {
/* For initial I2C setup */
int (*i2c_init)(struct axgbe_port *);
/* For I2C support when setting device up/down */
int (*i2c_start)(struct axgbe_port *);
void (*i2c_stop)(struct axgbe_port *);
/* For performing I2C operations */
int (*i2c_xfer)(struct axgbe_port *, struct axgbe_i2c_op *);
};
/* This structure contains flags that indicate what hardware features
* or configurations are present in the device.
*/
struct axgbe_hw_features {
/* HW Version */
unsigned int version;
/* HW Feature Register0 */
unsigned int gmii; /* 1000 Mbps support */
unsigned int vlhash; /* VLAN Hash Filter */
unsigned int sma; /* SMA(MDIO) Interface */
unsigned int rwk; /* PMT remote wake-up packet */
unsigned int mgk; /* PMT magic packet */
unsigned int mmc; /* RMON module */
unsigned int aoe; /* ARP Offload */
unsigned int ts; /* IEEE 1588-2008 Advanced Timestamp */
unsigned int eee; /* Energy Efficient Ethernet */
unsigned int tx_coe; /* Tx Checksum Offload */
unsigned int rx_coe; /* Rx Checksum Offload */
unsigned int addn_mac; /* Additional MAC Addresses */
unsigned int ts_src; /* Timestamp Source */
unsigned int sa_vlan_ins; /* Source Address or VLAN Insertion */
/* HW Feature Register1 */
unsigned int rx_fifo_size; /* MTL Receive FIFO Size */
unsigned int tx_fifo_size; /* MTL Transmit FIFO Size */
unsigned int adv_ts_hi; /* Advance Timestamping High Word */
unsigned int dma_width; /* DMA width */
unsigned int dcb; /* DCB Feature */
unsigned int sph; /* Split Header Feature */
unsigned int tso; /* TCP Segmentation Offload */
unsigned int dma_debug; /* DMA Debug Registers */
unsigned int rss; /* Receive Side Scaling */
unsigned int tc_cnt; /* Number of Traffic Classes */
unsigned int hash_table_size; /* Hash Table Size */
unsigned int l3l4_filter_num; /* Number of L3-L4 Filters */
/* HW Feature Register2 */
unsigned int rx_q_cnt; /* Number of MTL Receive Queues */
unsigned int tx_q_cnt; /* Number of MTL Transmit Queues */
unsigned int rx_ch_cnt; /* Number of DMA Receive Channels */
unsigned int tx_ch_cnt; /* Number of DMA Transmit Channels */
unsigned int pps_out_num; /* Number of PPS outputs */
unsigned int aux_snap_num; /* Number of Aux snapshot inputs */
};
struct axgbe_version_data {
void (*init_function_ptrs_phy_impl)(struct axgbe_phy_if *);
enum axgbe_xpcs_access xpcs_access;
unsigned int mmc_64bit;
unsigned int tx_max_fifo_size;
unsigned int rx_max_fifo_size;
unsigned int tx_tstamp_workaround;
unsigned int ecc_support;
unsigned int i2c_support;
unsigned int an_cdr_workaround;
};
struct axgbe_mmc_stats {
/* Tx Stats */
uint64_t txoctetcount_gb;
uint64_t txframecount_gb;
uint64_t txbroadcastframes_g;
uint64_t txmulticastframes_g;
uint64_t tx64octets_gb;
uint64_t tx65to127octets_gb;
uint64_t tx128to255octets_gb;
uint64_t tx256to511octets_gb;
uint64_t tx512to1023octets_gb;
uint64_t tx1024tomaxoctets_gb;
uint64_t txunicastframes_gb;
uint64_t txmulticastframes_gb;
uint64_t txbroadcastframes_gb;
uint64_t txunderflowerror;
uint64_t txoctetcount_g;
uint64_t txframecount_g;
uint64_t txpauseframes;
uint64_t txvlanframes_g;
/* Rx Stats */
uint64_t rxframecount_gb;
uint64_t rxoctetcount_gb;
uint64_t rxoctetcount_g;
uint64_t rxbroadcastframes_g;
uint64_t rxmulticastframes_g;
uint64_t rxcrcerror;
uint64_t rxrunterror;
uint64_t rxjabbererror;
uint64_t rxundersize_g;
uint64_t rxoversize_g;
uint64_t rx64octets_gb;
uint64_t rx65to127octets_gb;
uint64_t rx128to255octets_gb;
uint64_t rx256to511octets_gb;
uint64_t rx512to1023octets_gb;
uint64_t rx1024tomaxoctets_gb;
uint64_t rxunicastframes_g;
uint64_t rxlengtherror;
uint64_t rxoutofrangetype;
uint64_t rxpauseframes;
uint64_t rxfifooverflow;
uint64_t rxvlanframes_gb;
uint64_t rxwatchdogerror;
};
/* Flow control parameters */
struct xgbe_fc_info {
uint32_t high_water[AXGBE_PRIORITY_QUEUES];
uint32_t low_water[AXGBE_PRIORITY_QUEUES];
uint16_t pause_time[AXGBE_PRIORITY_QUEUES];
uint16_t send_xon;
enum rte_eth_fc_mode mode;
uint8_t autoneg;
};
/*
* Structure to store private data for each port.
*/
struct axgbe_port {
/* Ethdev where port belongs*/
struct rte_eth_dev *eth_dev;
/* Pci dev info */
const struct rte_pci_device *pci_dev;
/* Version related data */
struct axgbe_version_data *vdata;
/* AXGMAC/XPCS related mmio registers */
void *xgmac_regs; /* AXGMAC CSRs */
void *xpcs_regs; /* XPCS MMD registers */
void *xprop_regs; /* AXGBE property registers */
void *xi2c_regs; /* AXGBE I2C CSRs */
bool cdr_track_early;
/* XPCS indirect addressing lock */
unsigned int xpcs_window_def_reg;
unsigned int xpcs_window_sel_reg;
unsigned int xpcs_window;
unsigned int xpcs_window_size;
unsigned int xpcs_window_mask;
/* Flags representing axgbe_state */
uint32_t dev_state;
struct axgbe_hw_if hw_if;
struct axgbe_phy_if phy_if;
struct axgbe_i2c_if i2c_if;
/* AXI DMA settings */
unsigned int coherent;
unsigned int axdomain;
unsigned int arcache;
unsigned int awcache;
unsigned int tx_max_channel_count;
unsigned int rx_max_channel_count;
unsigned int channel_count;
unsigned int tx_ring_count;
unsigned int tx_desc_count;
unsigned int rx_ring_count;
unsigned int rx_desc_count;
unsigned int tx_max_q_count;
unsigned int rx_max_q_count;
unsigned int tx_q_count;
unsigned int rx_q_count;
/* Tx/Rx common settings */
unsigned int pblx8;
/* Tx settings */
unsigned int tx_sf_mode;
unsigned int tx_threshold;
unsigned int tx_pbl;
unsigned int tx_osp_mode;
unsigned int tx_max_fifo_size;
/* Rx settings */
unsigned int rx_sf_mode;
unsigned int rx_threshold;
unsigned int rx_pbl;
unsigned int rx_max_fifo_size;
unsigned int rx_buf_size;
/* Device clocks */
unsigned long sysclk_rate;
unsigned long ptpclk_rate;
/* Keeps track of power mode */
unsigned int power_down;
/* Current PHY settings */
int phy_link;
int phy_speed;
pthread_mutex_t xpcs_mutex;
pthread_mutex_t i2c_mutex;
pthread_mutex_t an_mutex;
pthread_mutex_t phy_mutex;
/* Flow control settings */
unsigned int pause_autoneg;
unsigned int tx_pause;
unsigned int rx_pause;
unsigned int rx_rfa[AXGBE_MAX_QUEUES];
unsigned int rx_rfd[AXGBE_MAX_QUEUES];
unsigned int fifo;
unsigned int pfc_map[AXGBE_MAX_QUEUES];
/* Receive Side Scaling settings */
u8 rss_key[AXGBE_RSS_HASH_KEY_SIZE];
uint32_t rss_table[AXGBE_RSS_MAX_TABLE_SIZE];
uint32_t rss_options;
int rss_enable;
uint64_t rss_hf;
/* Hardware features of the device */
struct axgbe_hw_features hw_feat;
struct rte_ether_addr mac_addr;
/* Software Tx/Rx structure pointers*/
void **rx_queues;
void **tx_queues;
/* MDIO/PHY related settings */
unsigned int phy_started;
void *phy_data;
struct axgbe_phy phy;
int mdio_mmd;
unsigned long link_check;
volatile int mdio_completion;
unsigned int kr_redrv;
/* Auto-negotiation atate machine support */
unsigned int an_int;
unsigned int an_status;
enum axgbe_an an_result;
enum axgbe_an an_state;
enum axgbe_rx kr_state;
enum axgbe_rx kx_state;
unsigned int an_supported;
unsigned int parallel_detect;
unsigned int fec_ability;
unsigned long an_start;
enum axgbe_an_mode an_mode;
/* I2C support */
struct axgbe_i2c i2c;
volatile int i2c_complete;
/* CRC stripping by H/w for Rx packet*/
int crc_strip_enable;
/* csum enable to hardware */
uint32_t rx_csum_enable;
struct axgbe_mmc_stats mmc_stats;
struct xgbe_fc_info fc;
/* Hash filtering */
unsigned int hash_table_shift;
unsigned int hash_table_count;
unsigned int uc_hash_mac_addr;
unsigned int uc_hash_table[AXGBE_MAC_HASH_TABLE_SIZE];
};
void axgbe_init_function_ptrs_dev(struct axgbe_hw_if *hw_if);
void axgbe_init_function_ptrs_phy(struct axgbe_phy_if *phy_if);
void axgbe_init_function_ptrs_phy_v2(struct axgbe_phy_if *phy_if);
void axgbe_init_function_ptrs_i2c(struct axgbe_i2c_if *i2c_if);
void axgbe_set_mac_addn_addr(struct axgbe_port *pdata, u8 *addr,
uint32_t index);
void axgbe_set_mac_hash_table(struct axgbe_port *pdata, u8 *addr, bool add);
int axgbe_write_rss_lookup_table(struct axgbe_port *pdata);
int axgbe_write_rss_hash_key(struct axgbe_port *pdata);
#endif /* RTE_ETH_AXGBE_H_ */
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