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Release 4.11 drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h

/*
 * Copyright (c) 2014-2015 Hisilicon Limited.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef _HNS_DSAF_MAC_H

#define _HNS_DSAF_MAC_H

#include <linux/if_vlan.h>
#include <linux/kernel.h>
#include <linux/phy.h>
#include <linux/regmap.h>
#include "hns_dsaf_main.h"

struct dsaf_device;


#define MAC_GMAC_SUPPORTED \
	(SUPPORTED_10baseT_Half \
        | SUPPORTED_10baseT_Full \
        | SUPPORTED_100baseT_Half \
        | SUPPORTED_100baseT_Full \
        | SUPPORTED_Autoneg)


#define MAC_DEFAULT_MTU	(ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN + ETH_DATA_LEN)

#define MAC_MAX_MTU		9600

#define MAC_MAX_MTU_V2		9728

#define MAC_MIN_MTU		68

#define MAC_MAX_MTU_DBG		MAC_DEFAULT_MTU


#define MAC_DEFAULT_PAUSE_TIME 0xffff


#define MAC_GMAC_IDX 0

#define MAC_XGMAC_IDX 1


#define ETH_STATIC_REG	 1

#define ETH_DUMP_REG	 5
/* check mac addr broadcast */

#define MAC_IS_BROADCAST(p)	((*(p) == 0xff) && (*((p) + 1) == 0xff) && \
                (*((p) + 2) == 0xff) &&  (*((p) + 3) == 0xff)  && \
                (*((p) + 4) == 0xff) && (*((p) + 5) == 0xff))

/* check mac addr is 01-00-5e-xx-xx-xx*/

#define MAC_IS_L3_MULTICAST(p) ((*((p) + 0) == 0x01) && \
                        (*((p) + 1) == 0x00)   && \
                        (*((p) + 2) == 0x5e))

/*check the mac addr is 0 in all bit*/

#define MAC_IS_ALL_ZEROS(p)   ((*(p) == 0) && (*((p) + 1) == 0) && \
        (*((p) + 2) == 0) && (*((p) + 3) == 0) && \
        (*((p) + 4) == 0) && (*((p) + 5) == 0))

/*check mac addr multicast*/

#define MAC_IS_MULTICAST(p)	((*((u8 *)((p) + 0)) & 0x01) ? (1) : (0))


struct mac_priv {
	
void *mac;
};

/* net speed */

enum mac_speed {
	
MAC_SPEED_10	= 10,	   /**< 10 Mbps */
	
MAC_SPEED_100	= 100,	  /**< 100 Mbps */
	
MAC_SPEED_1000  = 1000,	 /**< 1000 Mbps = 1 Gbps */
	
MAC_SPEED_10000 = 10000	 /**< 10000 Mbps = 10 Gbps */
};

/*mac interface keyword */

enum mac_intf {
	
MAC_IF_NONE  = 0x00000000,   /**< interface not invalid */
	
MAC_IF_MII   = 0x00010000,   /**< MII interface */
	
MAC_IF_RMII  = 0x00020000,   /**< RMII interface */
	
MAC_IF_SMII  = 0x00030000,   /**< SMII interface */
	
MAC_IF_GMII  = 0x00040000,   /**< GMII interface */
	
MAC_IF_RGMII = 0x00050000,   /**< RGMII interface */
	
MAC_IF_TBI   = 0x00060000,   /**< TBI interface */
	
MAC_IF_RTBI  = 0x00070000,   /**< RTBI interface */
	
MAC_IF_SGMII = 0x00080000,   /**< SGMII interface */
	
MAC_IF_XGMII = 0x00090000,   /**< XGMII interface */
	
MAC_IF_QSGMII = 0x000a0000	/**< QSGMII interface */
};

/*mac mode */

enum mac_mode {
	/**< Invalid Ethernet mode */
	
MAC_MODE_INVALID	 = 0,
	/**<    10 Mbps MII   */
	
MAC_MODE_MII_10	  = (MAC_IF_MII   | MAC_SPEED_10),
	/**<   100 Mbps MII   */
	
MAC_MODE_MII_100	 = (MAC_IF_MII   | MAC_SPEED_100),
	/**<    10 Mbps RMII  */
	
MAC_MODE_RMII_10	 = (MAC_IF_RMII  | MAC_SPEED_10),
	/**<   100 Mbps RMII  */
	
MAC_MODE_RMII_100	= (MAC_IF_RMII  | MAC_SPEED_100),
	/**<    10 Mbps SMII  */
	
MAC_MODE_SMII_10	 = (MAC_IF_SMII  | MAC_SPEED_10),
	/**<   100 Mbps SMII  */
	
MAC_MODE_SMII_100	= (MAC_IF_SMII  | MAC_SPEED_100),
	/**<  1000 Mbps GMII  */
	
MAC_MODE_GMII_1000   = (MAC_IF_GMII  | MAC_SPEED_1000),
	/**<    10 Mbps RGMII */
	
MAC_MODE_RGMII_10	= (MAC_IF_RGMII | MAC_SPEED_10),
	/**<   100 Mbps RGMII */
	
MAC_MODE_RGMII_100   = (MAC_IF_RGMII | MAC_SPEED_100),
	/**<  1000 Mbps RGMII */
	
MAC_MODE_RGMII_1000  = (MAC_IF_RGMII | MAC_SPEED_1000),
	/**<  1000 Mbps TBI   */
	
MAC_MODE_TBI_1000	= (MAC_IF_TBI   | MAC_SPEED_1000),
	/**<  1000 Mbps RTBI  */
	
MAC_MODE_RTBI_1000   = (MAC_IF_RTBI  | MAC_SPEED_1000),
	/**<    10 Mbps SGMII */
	
MAC_MODE_SGMII_10	= (MAC_IF_SGMII | MAC_SPEED_10),
	/**<   100 Mbps SGMII */
	
MAC_MODE_SGMII_100   = (MAC_IF_SGMII | MAC_SPEED_100),
	/**<  1000 Mbps SGMII */
	
MAC_MODE_SGMII_1000  = (MAC_IF_SGMII | MAC_SPEED_1000),
	/**< 10000 Mbps XGMII */
	
MAC_MODE_XGMII_10000 = (MAC_IF_XGMII | MAC_SPEED_10000),
	/**<  1000 Mbps QSGMII */
	
MAC_MODE_QSGMII_1000 = (MAC_IF_QSGMII | MAC_SPEED_1000)
};

/*mac communicate mode*/

enum mac_commom_mode {
	
MAC_COMM_MODE_NONE	  = 0, /**< No transmit/receive communication */
	
MAC_COMM_MODE_RX		= 1, /**< Only receive communication */
	
MAC_COMM_MODE_TX		= 2, /**< Only transmit communication */
	
MAC_COMM_MODE_RX_AND_TX = 3  /**< Both tx and rx communication */
};

/*mac statistics */

struct mac_statistics {
	
u64  stat_pkts64; /* r-10G tr-DT 64 byte frame counter */
	
u64  stat_pkts65to127; /* r-10G 65 to 127 byte frame counter */
	
u64  stat_pkts128to255; /* r-10G 128 to 255 byte frame counter */
	
u64  stat_pkts256to511; /*r-10G 256 to 511 byte frame counter */
	
u64  stat_pkts512to1023;/* r-10G 512 to 1023 byte frame counter */
	
u64  stat_pkts1024to1518; /* r-10G 1024 to 1518 byte frame counter */
	
u64  stat_pkts1519to1522; /* r-10G 1519 to 1522 byte good frame count*/
	/* Total number of packets that were less than 64 octets */
	/*                      long with a wrong CRC.*/
	
u64  stat_fragments;
	/* Total number of packets longer than valid maximum length octets */
	
u64  stat_jabbers;
	/* number of dropped packets due to internal errors of */
	/*                      the MAC Client. */
	
u64  stat_drop_events;
	/* Incremented when frames of correct length but with */
	/*                      CRC error are received.*/
	
u64  stat_crc_align_errors;
	/* Total number of packets that were less than 64 octets */
	/*                      long with a good CRC.*/
	
u64  stat_undersize_pkts;
	
u64  stat_oversize_pkts;  /**< T,B.D*/

	
u64  stat_rx_pause;		   /**< Pause MAC Control received */
	
u64  stat_tx_pause;		   /**< Pause MAC Control sent */

	
u64  in_octets;		/**< Total number of byte received. */
	
u64  in_pkts;		/* Total number of packets received.*/
	
u64  in_mcast_pkts;	/* Total number of multicast frame received */
	
u64  in_bcast_pkts;	/* Total number of broadcast frame received */
				/* Frames received, but discarded due to */
				/* problems within the MAC RX. */
	
u64  in_discards;
	
u64  in_errors;		/* Number of frames received with error: */
				/*      - FIFO Overflow Error */
				/*      - CRC Error */
				/*      - Frame Too Long Error */
				/*      - Alignment Error */
	
u64  out_octets; /*Total number of byte sent. */
	
u64  out_pkts;	/**< Total number of packets sent .*/
	
u64  out_mcast_pkts; /* Total number of multicast frame sent */
	
u64  out_bcast_pkts; /* Total number of multicast frame sent */
	/* Frames received, but discarded due to problems within */
	/*                      the MAC TX N/A!.*/
	
u64  out_discards;
	
u64  out_errors;	/*Number of frames transmitted with error: */
			/*      - FIFO Overflow Error */
			/*      - FIFO Underflow Error */
			/*       - Other */
};

/*mac para struct ,mac get param from nic or dsaf when initialize*/

struct mac_params {
	
char addr[ETH_ALEN];
	
void *vaddr; /*virtual address*/
	
struct device *dev;
	
u8 mac_id;
	/**< Ethernet operation mode (MAC-PHY interface and speed) */
	
enum mac_mode mac_mode;
};


struct mac_info {
	
u16 speed;/* The forced speed (lower bits) in */
		/*               *mbps. Please use */
		/*               * ethtool_cmd_speed()/_set() to */
		/*               * access it */
	
u8 duplex;		/* Duplex, half or full */
	
u8 auto_neg;	/* Enable or disable autonegotiation */
	
enum hnae_loop loop_mode;
	
u8 tx_pause_en;
	
u8 tx_pause_time;
	
u8 rx_pause_en;
	
u8 pad_and_crc_en;
	
u8 promiscuous_en;
	
u8 port_en;	 /*port enable*/
};


struct mac_entry_idx {
	
u8 addr[ETH_ALEN];
	
u16 vlan_id:12;
	
u16 valid:1;
	
u16 qos:3;
};


struct mac_hw_stats {
	
u64 rx_good_pkts;	/* only for xgmac */
	
u64 rx_good_bytes;
	
u64 rx_total_pkts;	/* only for xgmac */
	
u64 rx_total_bytes;	/* only for xgmac */
	
u64 rx_bad_bytes;	/* only for gmac */
	
u64 rx_uc_pkts;
	
u64 rx_mc_pkts;
	
u64 rx_bc_pkts;
	
u64 rx_fragment_err;	/* only for xgmac */
	
u64 rx_undersize;	/* only for xgmac */
	
u64 rx_under_min;
	
u64 rx_minto64;		/* only for gmac */
	
u64 rx_64bytes;
	
u64 rx_65to127;
	
u64 rx_128to255;
	
u64 rx_256to511;
	
u64 rx_512to1023;
	
u64 rx_1024to1518;
	
u64 rx_1519tomax;
	
u64 rx_1519tomax_good;	/* only for xgmac */
	
u64 rx_oversize;
	
u64 rx_jabber_err;
	
u64 rx_fcs_err;
	
u64 rx_vlan_pkts;	/* only for gmac */
	
u64 rx_data_err;	/* only for gmac */
	
u64 rx_align_err;	/* only for gmac */
	
u64 rx_long_err;	/* only for gmac */
	
u64 rx_pfc_tc0;
	
u64 rx_pfc_tc1;		/* only for xgmac */
	
u64 rx_pfc_tc2;		/* only for xgmac */
	
u64 rx_pfc_tc3;		/* only for xgmac */
	
u64 rx_pfc_tc4;		/* only for xgmac */
	
u64 rx_pfc_tc5;		/* only for xgmac */
	
u64 rx_pfc_tc6;		/* only for xgmac */
	
u64 rx_pfc_tc7;		/* only for xgmac */
	
u64 rx_unknown_ctrl;
	
u64 rx_filter_pkts;	/* only for gmac */
	
u64 rx_filter_bytes;	/* only for gmac */
	
u64 rx_fifo_overrun_err;/* only for gmac */
	
u64 rx_len_err;		/* only for gmac */
	
u64 rx_comma_err;	/* only for gmac */
	
u64 rx_symbol_err;	/* only for xgmac */
	
u64 tx_good_to_sw;	/* only for xgmac */
	
u64 tx_bad_to_sw;	/* only for xgmac */
	
u64 rx_1731_pkts;	/* only for xgmac */

	
u64 tx_good_bytes;
	
u64 tx_good_pkts;	/* only for xgmac */
	
u64 tx_total_bytes;	/* only for xgmac */
	
u64 tx_total_pkts;	/* only for xgmac */
	
u64 tx_bad_bytes;	/* only for gmac */
	
u64 tx_bad_pkts;	/* only for xgmac */
	
u64 tx_uc_pkts;
	
u64 tx_mc_pkts;
	
u64 tx_bc_pkts;
	
u64 tx_undersize;	/* only for xgmac */
	
u64 tx_fragment_err;	/* only for xgmac */
	
u64 tx_under_min_pkts;	/* only for gmac */
	
u64 tx_64bytes;
	
u64 tx_65to127;
	
u64 tx_128to255;
	
u64 tx_256to511;
	
u64 tx_512to1023;
	
u64 tx_1024to1518;
	
u64 tx_1519tomax;
	
u64 tx_1519tomax_good;	/* only for xgmac */
	
u64 tx_oversize;	/* only for xgmac */
	
u64 tx_jabber_err;
	
u64 tx_underrun_err;	/* only for gmac */
	
u64 tx_vlan;		/* only for gmac */
	
u64 tx_crc_err;		/* only for gmac */
	
u64 tx_pfc_tc0;
	
u64 tx_pfc_tc1;		/* only for xgmac */
	
u64 tx_pfc_tc2;		/* only for xgmac */
	
u64 tx_pfc_tc3;		/* only for xgmac */
	
u64 tx_pfc_tc4;		/* only for xgmac */
	
u64 tx_pfc_tc5;		/* only for xgmac */
	
u64 tx_pfc_tc6;		/* only for xgmac */
	
u64 tx_pfc_tc7;		/* only for xgmac */
	
u64 tx_ctrl;		/* only for xgmac */
	
u64 tx_1731_pkts;	/* only for xgmac */
	
u64 tx_1588_pkts;	/* only for xgmac */
	
u64 rx_good_from_sw;	/* only for xgmac */
	
u64 rx_bad_from_sw;	/* only for xgmac */
};


struct hns_mac_cb {
	
struct device *dev;
	
struct dsaf_device *dsaf_dev;
	
struct mac_priv priv;
	
struct fwnode_handle *fw_port;
	
u8 __iomem *vaddr;
	
u8 __iomem *sys_ctl_vaddr;
	
u8 __iomem *serdes_vaddr;
	
struct regmap *serdes_ctrl;
	
struct regmap *cpld_ctrl;
	
char mc_mask[ETH_ALEN];
	
u32 cpld_ctrl_reg;
	
u32 port_rst_off;
	
u32 port_mode_off;
	
struct mac_entry_idx addr_entry_idx[DSAF_MAX_VM_NUM];
	
u8 sfp_prsnt;
	
u8 cpld_led_value;
	
u8 mac_id;

	
u8 link;
	
u8 half_duplex;
	
u16 speed;
	
u16 max_speed;
	
u16 max_frm;
	
u16 tx_pause_frm_time;
	
u32 if_support;
	
u64 txpkt_for_led;
	
u64 rxpkt_for_led;
	
enum hnae_port_type mac_type;
	
enum hnae_media_type media_type;
	
phy_interface_t phy_if;
	
enum hnae_loop loop_mode;

	
struct phy_device *phy_dev;

	
struct mac_hw_stats hw_stats;
};


struct mac_driver {
	/*init Mac when init nic or dsaf*/
	
void (*mac_init)(void *mac_drv);
	/*remove mac when remove nic or dsaf*/
	
void (*mac_free)(void *mac_drv);
	/*enable mac when enable nic or dsaf*/
	
void (*mac_enable)(void *mac_drv, enum mac_commom_mode mode);
	/*disable mac when disable nic or dsaf*/
	
void (*mac_disable)(void *mac_drv, enum mac_commom_mode mode);
	/* config mac address*/
	
void (*set_mac_addr)(void *mac_drv,	char *mac_addr);
	/*adjust mac mode of port,include speed and duplex*/
	
int (*adjust_link)(void *mac_drv, enum mac_speed speed,
			   u32 full_duplex);
	/* config autoegotaite mode of port*/
	
void (*set_an_mode)(void *mac_drv, u8 enable);
	/* config loopbank mode */
	
int (*config_loopback)(void *mac_drv, enum hnae_loop loop_mode,
			       u8 enable);
	/* config mtu*/
	
void (*config_max_frame_length)(void *mac_drv, u16 newval);
	/*config PAD and CRC enable */
	
void (*config_pad_and_crc)(void *mac_drv, u8 newval);
	/* config duplex mode*/
	
void (*config_half_duplex)(void *mac_drv, u8 newval);
	/*config tx pause time,if pause_time is zero,disable tx pause enable*/
	
void (*set_tx_auto_pause_frames)(void *mac_drv, u16 pause_time);
	/*config rx pause enable*/
	
void (*set_rx_ignore_pause_frames)(void *mac_drv, u32 enable);
	/* config rx mode for promiscuous*/
	
void (*set_promiscuous)(void *mac_drv, u8 enable);
	/* get mac id */
	
void (*mac_get_id)(void *mac_drv, u8 *mac_id);
	
void (*mac_pausefrm_cfg)(void *mac_drv, u32 rx_en, u32 tx_en);

	
void (*autoneg_stat)(void *mac_drv, u32 *enable);
	
int (*set_pause_enable)(void *mac_drv, u32 rx_en, u32 tx_en);
	
void (*get_pause_enable)(void *mac_drv, u32 *rx_en, u32 *tx_en);
	
void (*get_link_status)(void *mac_drv, u32 *link_stat);
	/* get the imporant regs*/
	
void (*get_regs)(void *mac_drv, void *data);
	
int (*get_regs_count)(void);
	/* get strings name for ethtool statistic */
	
void (*get_strings)(u32 stringset, u8 *data);
	/* get the number of strings*/
	
int (*get_sset_count)(int stringset);

	/* get the statistic by ethtools*/
	
void (*get_ethtool_stats)(void *mac_drv, u64 *data);

	/* get mac information */
	
void (*get_info)(void *mac_drv, struct mac_info *mac_info);

	
void (*update_stats)(void *mac_drv);

	
enum mac_mode mac_mode;
	
u8 mac_id;
	
struct hns_mac_cb *mac_cb;
	
void __iomem *io_base;
	
unsigned int mac_en_flg;/*you'd better don't enable mac twice*/
	
unsigned int virt_dev_num;
	
struct device *dev;
};


struct mac_stats_string {
	
char desc[ETH_GSTRING_LEN];
	
unsigned long offset;
};


#define MAC_MAKE_MODE(interface, speed) (enum mac_mode)((interface) | (speed))

#define MAC_INTERFACE_FROM_MODE(mode) (enum mac_intf)((mode) & 0xFFFF0000)

#define MAC_SPEED_FROM_MODE(mode) (enum mac_speed)((mode) & 0x0000FFFF)

#define MAC_STATS_FIELD_OFF(field) (offsetof(struct mac_hw_stats, field))


static inline struct mac_driver *hns_mac_get_drv( const struct hns_mac_cb *mac_cb) { return (struct mac_driver *)(mac_cb->priv.mac); }

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void *hns_gmac_config(struct hns_mac_cb *mac_cb, struct mac_params *mac_param); void *hns_xgmac_config(struct hns_mac_cb *mac_cb, struct mac_params *mac_param); int hns_mac_init(struct dsaf_device *dsaf_dev); void mac_adjust_link(struct net_device *net_dev); void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status); int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb, u32 vmid, char *addr); int hns_mac_set_multi(struct hns_mac_cb *mac_cb, u32 port_num, char *addr, bool enable); int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vm, bool enable); void hns_mac_start(struct hns_mac_cb *mac_cb); void hns_mac_stop(struct hns_mac_cb *mac_cb); int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac); void hns_mac_uninit(struct dsaf_device *dsaf_dev); void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex); void hns_mac_reset(struct hns_mac_cb *mac_cb); void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg); void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en); int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable); int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en); int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu); int hns_mac_get_port_info(struct hns_mac_cb *mac_cb, u8 *auto_neg, u16 *speed, u8 *duplex); int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb, enum hnae_loop loop, int en); void hns_mac_update_stats(struct hns_mac_cb *mac_cb); void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data); void hns_mac_get_strings(struct hns_mac_cb *mac_cb, int stringset, u8 *data); int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset); void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data); int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb); void hns_set_led_opt(struct hns_mac_cb *mac_cb); int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb, enum hnae_led_state status); void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en); int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num); int hns_mac_add_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id, const unsigned char *addr); int hns_mac_rm_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id, const unsigned char *addr); int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn); #endif /* _HNS_DSAF_MAC_H */

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