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linux/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h
Kejian Yan 211b138403 net: hns: adds limitation for debug port mtu 
If mtu for debug port is set more than 1500, it may cause that packets
are dropped by ppe. So maximum value for debug port should be 1500.

Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-22 15:45:58 -04:00

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/*
* 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/phy.h>
#include <linux/kernel.h>
#include <linux/if_vlan.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 0xff
#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))
/**< Number of octets (8-bit bytes) in an ethernet address */
#define MAC_NUM_OCTETS_PER_ADDR 6
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[MAC_NUM_OCTETS_PER_ADDR];
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[MAC_NUM_OCTETS_PER_ADDR];
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;
u8 __iomem *vaddr;
u8 __iomem *cpld_vaddr;
u8 __iomem *sys_ctl_vaddr;
u8 __iomem *serdes_vaddr;
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;
phy_interface_t phy_if;
enum hnae_loop loop_mode;
struct device_node *phy_node;
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[64];
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);
}
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);
phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb);
int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, u8 en);
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);
#endif /* _HNS_DSAF_MAC_H */
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