diff options
| author | Girish K S <ks.giri@samsung.com> | 2014-03-25 12:10:57 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-03-26 16:49:31 -0400 |
| commit | acc18c147b2281ff85f93862eb8c768df1bfb7df (patch) | |
| tree | 6af088d7b1f44301d8e865074d0c99c622e04e85 /drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h | |
| parent | 1edb9ca69e8a7988900fc0283e10550b5592164d (diff) | |
net: sxgbe: add EEE(Energy Efficient Ethernet) for Samsung sxgbe
Added support for the EEE(Energy Efficient Ethernet) in 10G ethernet driver.
Signed-off-by: Girish K S <ks.giri@samsung.com>
Neatening-by: Joe Perches <joe@perches.com>
Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h')
| -rw-r--r-- | drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h b/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h index c7803f199967..fd367cb6bcad 100644 --- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h +++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_common.h @@ -118,6 +118,33 @@ struct sxgbe_mtl_ops; #define RX_PTP_SIGNAL 0x0A #define RX_PTP_RESV_MSG 0x0F +/* EEE-LPI mode flags*/ +#define TX_ENTRY_LPI_MODE 0x10 +#define TX_EXIT_LPI_MODE 0x20 +#define RX_ENTRY_LPI_MODE 0x40 +#define RX_EXIT_LPI_MODE 0x80 + +/* EEE-LPI Interrupt status flag */ +#define LPI_INT_STATUS BIT(5) + +/* EEE-LPI Default timer values */ +#define LPI_LINK_STATUS_TIMER 0x3E8 +#define LPI_MAC_WAIT_TIMER 0x00 + +/* EEE-LPI Control and status definitions */ +#define LPI_CTRL_STATUS_TXA BIT(19) +#define LPI_CTRL_STATUS_PLSDIS BIT(18) +#define LPI_CTRL_STATUS_PLS BIT(17) +#define LPI_CTRL_STATUS_LPIEN BIT(16) +#define LPI_CTRL_STATUS_TXRSTP BIT(11) +#define LPI_CTRL_STATUS_RXRSTP BIT(10) +#define LPI_CTRL_STATUS_RLPIST BIT(9) +#define LPI_CTRL_STATUS_TLPIST BIT(8) +#define LPI_CTRL_STATUS_RLPIEX BIT(3) +#define LPI_CTRL_STATUS_RLPIEN BIT(2) +#define LPI_CTRL_STATUS_TLPIEX BIT(1) +#define LPI_CTRL_STATUS_TLPIEN BIT(0) + enum dma_irq_status { tx_hard_error = BIT(0), tx_bump_tc = BIT(1), @@ -202,6 +229,13 @@ struct sxgbe_extra_stats { unsigned long rx_buffer_access_err; unsigned long rx_data_transfer_err; + /* EEE-LPI stats */ + unsigned long tx_lpi_entry_n; + unsigned long tx_lpi_exit_n; + unsigned long rx_lpi_entry_n; + unsigned long rx_lpi_exit_n; + unsigned long eee_wakeup_error_n; + /* RX specific */ /* L2 error */ unsigned long rx_code_gmii_err; @@ -299,6 +333,13 @@ struct sxgbe_core_ops { unsigned char feature_index); /* adjust SXGBE speed */ void (*set_speed)(void __iomem *ioaddr, unsigned char speed); + + /* EEE-LPI specific operations */ + void (*set_eee_mode)(void __iomem *ioaddr); + void (*reset_eee_mode)(void __iomem *ioaddr); + void (*set_eee_timer)(void __iomem *ioaddr, const int ls, + const int tw); + void (*set_eee_pls)(void __iomem *ioaddr, const int link); }; const struct sxgbe_core_ops *sxgbe_get_core_ops(void); @@ -354,6 +395,8 @@ struct sxgbe_hw_features { /* IEEE 1588-2008 */ unsigned int atime_stamp; + unsigned int eee; + unsigned int tx_csum_offload; unsigned int rx_csum_offload; unsigned int multi_macaddr; @@ -437,6 +480,13 @@ struct sxgbe_priv_data { /* tc control */ int tx_tc; int rx_tc; + /* EEE-LPI specific members */ + struct timer_list eee_ctrl_timer; + bool tx_path_in_lpi_mode; + int lpi_irq; + int eee_enabled; + int eee_active; + int tx_lpi_timer; }; /* Function prototypes */ @@ -459,4 +509,7 @@ int sxgbe_restore(struct net_device *ndev); const struct sxgbe_mtl_ops *sxgbe_get_mtl_ops(void); +void sxgbe_disable_eee_mode(struct sxgbe_priv_data * const priv); +bool sxgbe_eee_init(struct sxgbe_priv_data * const priv); + #endif /* __SXGBE_COMMON_H__ */ |