diff options
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe.h')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe.h | 236 |
1 files changed, 193 insertions, 43 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index e62dfa2deab6..63d72a140053 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -129,7 +129,7 @@ #include <net/dcbnl.h> #define XGBE_DRV_NAME "amd-xgbe" -#define XGBE_DRV_VERSION "1.0.0-a" +#define XGBE_DRV_VERSION "1.0.2" #define XGBE_DRV_DESC "AMD 10 Gigabit Ethernet Driver" /* Descriptor related defines */ @@ -178,14 +178,17 @@ #define XGMAC_JUMBO_PACKET_MTU 9000 #define XGMAC_MAX_JUMBO_PACKET 9018 -/* MDIO bus phy name */ -#define XGBE_PHY_NAME "amd_xgbe_phy" -#define XGBE_PRTAD 0 - /* Common property names */ #define XGBE_MAC_ADDR_PROPERTY "mac-address" #define XGBE_PHY_MODE_PROPERTY "phy-mode" #define XGBE_DMA_IRQS_PROPERTY "amd,per-channel-interrupt" +#define XGBE_SPEEDSET_PROPERTY "amd,speed-set" +#define XGBE_BLWC_PROPERTY "amd,serdes-blwc" +#define XGBE_CDR_RATE_PROPERTY "amd,serdes-cdr-rate" +#define XGBE_PQ_SKEW_PROPERTY "amd,serdes-pq-skew" +#define XGBE_TX_AMP_PROPERTY "amd,serdes-tx-amp" +#define XGBE_DFE_CFG_PROPERTY "amd,serdes-dfe-tap-config" +#define XGBE_DFE_ENA_PROPERTY "amd,serdes-dfe-tap-enable" /* Device-tree clock names */ #define XGBE_DMA_CLOCK "dma_clk" @@ -241,6 +244,49 @@ #define XGBE_RSS_LOOKUP_TABLE_TYPE 0 #define XGBE_RSS_HASH_KEY_TYPE 1 +/* Auto-negotiation */ +#define XGBE_AN_MS_TIMEOUT 500 +#define XGBE_LINK_TIMEOUT 10 + +#define XGBE_AN_INT_CMPLT 0x01 +#define XGBE_AN_INC_LINK 0x02 +#define XGBE_AN_PG_RCV 0x04 +#define XGBE_AN_INT_MASK 0x07 + +/* Rate-change complete wait/retry count */ +#define XGBE_RATECHANGE_COUNT 500 + +/* Default SerDes settings */ +#define XGBE_SPEED_10000_BLWC 0 +#define XGBE_SPEED_10000_CDR 0x7 +#define XGBE_SPEED_10000_PLL 0x1 +#define XGBE_SPEED_10000_PQ 0x12 +#define XGBE_SPEED_10000_RATE 0x0 +#define XGBE_SPEED_10000_TXAMP 0xa +#define XGBE_SPEED_10000_WORD 0x7 +#define XGBE_SPEED_10000_DFE_TAP_CONFIG 0x1 +#define XGBE_SPEED_10000_DFE_TAP_ENABLE 0x7f + +#define XGBE_SPEED_2500_BLWC 1 +#define XGBE_SPEED_2500_CDR 0x2 +#define XGBE_SPEED_2500_PLL 0x0 +#define XGBE_SPEED_2500_PQ 0xa +#define XGBE_SPEED_2500_RATE 0x1 +#define XGBE_SPEED_2500_TXAMP 0xf +#define XGBE_SPEED_2500_WORD 0x1 +#define XGBE_SPEED_2500_DFE_TAP_CONFIG 0x3 +#define XGBE_SPEED_2500_DFE_TAP_ENABLE 0x0 + +#define XGBE_SPEED_1000_BLWC 1 +#define XGBE_SPEED_1000_CDR 0x2 +#define XGBE_SPEED_1000_PLL 0x0 +#define XGBE_SPEED_1000_PQ 0xa +#define XGBE_SPEED_1000_RATE 0x3 +#define XGBE_SPEED_1000_TXAMP 0xf +#define XGBE_SPEED_1000_WORD 0x1 +#define XGBE_SPEED_1000_DFE_TAP_CONFIG 0x3 +#define XGBE_SPEED_1000_DFE_TAP_ENABLE 0x0 + struct xgbe_prv_data; struct xgbe_packet_data { @@ -334,8 +380,6 @@ struct xgbe_ring_data { */ unsigned int state_saved; struct { - unsigned int incomplete; - unsigned int context_next; struct sk_buff *skb; unsigned int len; unsigned int error; @@ -414,6 +458,13 @@ struct xgbe_channel { struct xgbe_ring *rx_ring; } ____cacheline_aligned; +enum xgbe_state { + XGBE_DOWN, + XGBE_LINK, + XGBE_LINK_INIT, + XGBE_LINK_ERR, +}; + enum xgbe_int { XGMAC_INT_DMA_CH_SR_TI, XGMAC_INT_DMA_CH_SR_TPS, @@ -445,6 +496,57 @@ enum xgbe_mtl_fifo_size { XGMAC_MTL_FIFO_SIZE_256K = 0x3ff, }; +enum xgbe_speed { + XGBE_SPEED_1000 = 0, + XGBE_SPEED_2500, + XGBE_SPEED_10000, + XGBE_SPEEDS, +}; + +enum xgbe_an { + XGBE_AN_READY = 0, + XGBE_AN_PAGE_RECEIVED, + XGBE_AN_INCOMPAT_LINK, + XGBE_AN_COMPLETE, + XGBE_AN_NO_LINK, + XGBE_AN_ERROR, +}; + +enum xgbe_rx { + XGBE_RX_BPA = 0, + XGBE_RX_XNP, + XGBE_RX_COMPLETE, + XGBE_RX_ERROR, +}; + +enum xgbe_mode { + XGBE_MODE_KR = 0, + XGBE_MODE_KX, +}; + +enum xgbe_speedset { + XGBE_SPEEDSET_1000_10000 = 0, + XGBE_SPEEDSET_2500_10000, +}; + +struct xgbe_phy { + u32 supported; + u32 advertising; + u32 lp_advertising; + + int address; + + int autoneg; + int speed; + int duplex; + + int link; + + int pause_autoneg; + int tx_pause; + int rx_pause; +}; + struct xgbe_mmc_stats { /* Tx Stats */ u64 txoctetcount_gb; @@ -492,6 +594,11 @@ struct xgbe_mmc_stats { u64 rxwatchdogerror; }; +struct xgbe_ext_stats { + u64 tx_tso_packets; + u64 rx_split_header_packets; +}; + struct xgbe_hw_if { int (*tx_complete)(struct xgbe_ring_desc *); @@ -591,6 +698,20 @@ struct xgbe_hw_if { int (*set_rss_lookup_table)(struct xgbe_prv_data *, const u32 *); }; +struct xgbe_phy_if { + /* For initial PHY setup */ + void (*phy_init)(struct xgbe_prv_data *); + + /* For PHY support when setting device up/down */ + int (*phy_reset)(struct xgbe_prv_data *); + int (*phy_start)(struct xgbe_prv_data *); + void (*phy_stop)(struct xgbe_prv_data *); + + /* For PHY support while device is up */ + void (*phy_status)(struct xgbe_prv_data *); + int (*phy_config_aneg)(struct xgbe_prv_data *); +}; + struct xgbe_desc_if { int (*alloc_ring_resources)(struct xgbe_prv_data *); void (*free_ring_resources)(struct xgbe_prv_data *); @@ -660,6 +781,9 @@ struct xgbe_prv_data { /* XGMAC/XPCS related mmio registers */ void __iomem *xgmac_regs; /* XGMAC CSRs */ void __iomem *xpcs_regs; /* XPCS MMD registers */ + void __iomem *rxtx_regs; /* SerDes Rx/Tx CSRs */ + void __iomem *sir0_regs; /* SerDes integration registers (1/2) */ + void __iomem *sir1_regs; /* SerDes integration registers (2/2) */ /* Overall device lock */ spinlock_t lock; @@ -670,10 +794,14 @@ struct xgbe_prv_data { /* RSS addressing mutex */ struct mutex rss_mutex; + /* Flags representing xgbe_state */ + unsigned long dev_state; + int dev_irq; unsigned int per_channel_irq; struct xgbe_hw_if hw_if; + struct xgbe_phy_if phy_if; struct xgbe_desc_if desc_if; /* AXI DMA settings */ @@ -682,6 +810,11 @@ struct xgbe_prv_data { unsigned int arcache; unsigned int awcache; + /* Service routine support */ + struct workqueue_struct *dev_workqueue; + struct work_struct service_work; + struct timer_list service_timer; + /* Rings for Tx/Rx on a DMA channel */ struct xgbe_channel *channel; unsigned int channel_count; @@ -729,27 +862,12 @@ struct xgbe_prv_data { u32 rss_table[XGBE_RSS_MAX_TABLE_SIZE]; u32 rss_options; - /* MDIO settings */ - struct module *phy_module; - char *mii_bus_id; - struct mii_bus *mii; - int mdio_mmd; - struct phy_device *phydev; - int default_autoneg; - int default_speed; - - /* Current PHY settings */ - phy_interface_t phy_mode; - int phy_link; - int phy_speed; - unsigned int phy_tx_pause; - unsigned int phy_rx_pause; - /* Netdev related settings */ unsigned char mac_addr[ETH_ALEN]; netdev_features_t netdev_features; struct napi_struct napi; struct xgbe_mmc_stats mmc_stats; + struct xgbe_ext_stats ext_stats; /* Filtering support */ unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; @@ -787,6 +905,54 @@ struct xgbe_prv_data { /* Keeps track of power mode */ unsigned int power_down; + /* Network interface message level setting */ + u32 msg_enable; + + /* Current PHY settings */ + phy_interface_t phy_mode; + int phy_link; + int phy_speed; + + /* MDIO/PHY related settings */ + struct xgbe_phy phy; + int mdio_mmd; + unsigned long link_check; + + char an_name[IFNAMSIZ + 32]; + struct workqueue_struct *an_workqueue; + + int an_irq; + struct work_struct an_irq_work; + + unsigned int speed_set; + + /* SerDes UEFI configurable settings. + * Switching between modes/speeds requires new values for some + * SerDes settings. The values can be supplied as device + * properties in array format. The first array entry is for + * 1GbE, second for 2.5GbE and third for 10GbE + */ + u32 serdes_blwc[XGBE_SPEEDS]; + u32 serdes_cdr_rate[XGBE_SPEEDS]; + u32 serdes_pq_skew[XGBE_SPEEDS]; + u32 serdes_tx_amp[XGBE_SPEEDS]; + u32 serdes_dfe_tap_cfg[XGBE_SPEEDS]; + u32 serdes_dfe_tap_ena[XGBE_SPEEDS]; + + /* Auto-negotiation state machine support */ + struct mutex an_mutex; + enum xgbe_an an_result; + enum xgbe_an an_state; + enum xgbe_rx kr_state; + enum xgbe_rx kx_state; + struct work_struct an_work; + unsigned int an_supported; + unsigned int parallel_detect; + unsigned int fec_ability; + unsigned long an_start; + + unsigned int lpm_ctrl; /* CTRL1 for resume */ + #ifdef CONFIG_DEBUG_FS struct dentry *xgbe_debugfs; @@ -800,6 +966,7 @@ struct xgbe_prv_data { /* Function prototypes*/ void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *); +void xgbe_init_function_ptrs_phy(struct xgbe_phy_if *); void xgbe_init_function_ptrs_desc(struct xgbe_desc_if *); struct net_device_ops *xgbe_get_netdev_ops(void); struct ethtool_ops *xgbe_get_ethtool_ops(void); @@ -807,14 +974,11 @@ struct ethtool_ops *xgbe_get_ethtool_ops(void); const struct dcbnl_rtnl_ops *xgbe_get_dcbnl_ops(void); #endif -int xgbe_mdio_register(struct xgbe_prv_data *); -void xgbe_mdio_unregister(struct xgbe_prv_data *); -void xgbe_dump_phy_registers(struct xgbe_prv_data *); void xgbe_ptp_register(struct xgbe_prv_data *); void xgbe_ptp_unregister(struct xgbe_prv_data *); -void xgbe_dump_tx_desc(struct xgbe_ring *, unsigned int, unsigned int, - unsigned int); -void xgbe_dump_rx_desc(struct xgbe_ring *, struct xgbe_ring_desc *, +void xgbe_dump_tx_desc(struct xgbe_prv_data *, struct xgbe_ring *, + unsigned int, unsigned int, unsigned int); +void xgbe_dump_rx_desc(struct xgbe_prv_data *, struct xgbe_ring *, unsigned int); void xgbe_print_pkt(struct net_device *, struct sk_buff *, bool); void xgbe_get_all_hw_features(struct xgbe_prv_data *); @@ -831,18 +995,6 @@ static inline void xgbe_debugfs_init(struct xgbe_prv_data *pdata) {} static inline void xgbe_debugfs_exit(struct xgbe_prv_data *pdata) {} #endif /* CONFIG_DEBUG_FS */ -/* NOTE: Uncomment for TX and RX DESCRIPTOR DUMP in KERNEL LOG */ -#if 0 -#define XGMAC_ENABLE_TX_DESC_DUMP -#define XGMAC_ENABLE_RX_DESC_DUMP -#endif - -/* NOTE: Uncomment for TX and RX PACKET DUMP in KERNEL LOG */ -#if 0 -#define XGMAC_ENABLE_TX_PKT_DUMP -#define XGMAC_ENABLE_RX_PKT_DUMP -#endif - /* NOTE: Uncomment for function trace log messages in KERNEL LOG */ #if 0 #define YDEBUG @@ -852,10 +1004,8 @@ static inline void xgbe_debugfs_exit(struct xgbe_prv_data *pdata) {} /* For debug prints */ #ifdef YDEBUG #define DBGPR(x...) pr_alert(x) -#define DBGPHY_REGS(x...) xgbe_dump_phy_registers(x) #else #define DBGPR(x...) do { } while (0) -#define DBGPHY_REGS(x...) do { } while (0) #endif #ifdef YDEBUG_MDIO |