diff options
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe.h')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe.h | 77 |
1 files changed, 74 insertions, 3 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index 9e24b296e272..07bf70a82908 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -123,6 +123,10 @@ #include <linux/phy.h> #include <linux/if_vlan.h> #include <linux/bitops.h> +#include <linux/ptp_clock_kernel.h> +#include <linux/clocksource.h> +#include <linux/net_tstamp.h> +#include <net/dcbnl.h> #define XGBE_DRV_NAME "amd-xgbe" @@ -141,6 +145,7 @@ #define XGBE_RX_BUF_ALIGN 64 #define XGBE_MAX_DMA_CHANNELS 16 +#define XGBE_MAX_QUEUES 16 /* DMA cache settings - Outer sharable, write-back, write-allocate */ #define XGBE_DMA_OS_AXDOMAIN 0x2 @@ -164,6 +169,16 @@ #define XGBE_PHY_NAME "amd_xgbe_phy" #define XGBE_PRTAD 0 +/* Device-tree clock names */ +#define XGBE_DMA_CLOCK "dma_clk" +#define XGBE_PTP_CLOCK "ptp_clk" + +/* Timestamp support - values based on 50MHz PTP clock + * 50MHz => 20 nsec + */ +#define XGBE_TSTAMP_SSINC 20 +#define XGBE_TSTAMP_SNSINC 0 + /* Driver PMT macros */ #define XGMAC_DRIVER_CONTEXT 1 #define XGMAC_IOCTL_CONTEXT 2 @@ -171,7 +186,7 @@ #define XGBE_FIFO_SIZE_B(x) (x) #define XGBE_FIFO_SIZE_KB(x) (x * 1024) -#define XGBE_TC_CNT 2 +#define XGBE_TC_MIN_QUANTUM 10 /* Helper macro for descriptor handling * Always use XGBE_GET_DESC_DATA to access the descriptor data @@ -214,6 +229,8 @@ struct xgbe_packet_data { unsigned short mss; unsigned short vlan_ctag; + + u64 rx_tstamp; }; /* Common Rx and Tx descriptor mapping */ @@ -242,6 +259,20 @@ struct xgbe_ring_data { unsigned int interrupt; /* Interrupt indicator */ unsigned int mapped_as_page; + + /* Incomplete receive save location. If the budget is exhausted + * or the last descriptor (last normal descriptor or a following + * context descriptor) has not been DMA'd yet the current state + * of the receive processing needs to be saved. + */ + unsigned int state_saved; + struct { + unsigned int incomplete; + unsigned int context_next; + struct sk_buff *skb; + unsigned int len; + unsigned int error; + } state; }; struct xgbe_ring { @@ -467,6 +498,18 @@ struct xgbe_hw_if { void (*rx_mmc_int)(struct xgbe_prv_data *); void (*tx_mmc_int)(struct xgbe_prv_data *); void (*read_mmc_stats)(struct xgbe_prv_data *); + + /* For Timestamp config */ + int (*config_tstamp)(struct xgbe_prv_data *, unsigned int); + void (*update_tstamp_addend)(struct xgbe_prv_data *, unsigned int); + void (*set_tstamp_time)(struct xgbe_prv_data *, unsigned int sec, + unsigned int nsec); + u64 (*get_tstamp_time)(struct xgbe_prv_data *); + u64 (*get_tx_tstamp)(struct xgbe_prv_data *); + + /* For Data Center Bridging config */ + void (*config_dcb_tc)(struct xgbe_prv_data *); + void (*config_dcb_pfc)(struct xgbe_prv_data *); }; struct xgbe_desc_if { @@ -508,6 +551,7 @@ struct xgbe_hw_features { 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 */ @@ -553,6 +597,9 @@ struct xgbe_prv_data { unsigned int rx_ring_count; unsigned int rx_desc_count; + unsigned int tx_q_count; + unsigned int rx_q_count; + /* Tx/Rx common settings */ unsigned int pblx8; @@ -607,8 +654,27 @@ struct xgbe_prv_data { /* Filtering support */ unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; - /* System clock value used for Rx watchdog */ - struct clk *sysclock; + /* Device clocks */ + struct clk *sysclk; + struct clk *ptpclk; + + /* Timestamp support */ + spinlock_t tstamp_lock; + struct ptp_clock_info ptp_clock_info; + struct ptp_clock *ptp_clock; + struct hwtstamp_config tstamp_config; + struct cyclecounter tstamp_cc; + struct timecounter tstamp_tc; + unsigned int tstamp_addend; + struct work_struct tx_tstamp_work; + struct sk_buff *tx_tstamp_skb; + u64 tx_tstamp; + + /* DCB support */ + struct ieee_ets *ets; + struct ieee_pfc *pfc; + unsigned int q2tc_map[XGBE_MAX_QUEUES]; + unsigned int prio2q_map[IEEE_8021QAZ_MAX_TCS]; /* Hardware features of the device */ struct xgbe_hw_features hw_feat; @@ -635,10 +701,15 @@ void xgbe_init_function_ptrs_dev(struct xgbe_hw_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); +#ifdef CONFIG_AMD_XGBE_DCB +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 *, |