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stmmac: support Reg_9 to get HW level information

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For GMAC newer than 3.40a there is a new register (Reg_9) that provides the
status of all modules of the transmit and receive paths and FIFO status.
These can be exposed via ethtool.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Giuseppe CAVALLARO
2015-11-30 11:33:10 +01:00
committed by David S. Miller
parent 88308c01a2
commit 2f7a791c92
4 changed files with 173 additions and 0 deletions
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26
drivers/net/ethernet/stmicro/stmmac/common.h
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@@ -137,6 +137,31 @@ struct stmmac_extra_stats {
unsigned long pcs_link;
unsigned long pcs_duplex;
unsigned long pcs_speed;
/* debug register */
unsigned long mtl_tx_status_fifo_full;
unsigned long mtl_tx_fifo_not_empty;
unsigned long mmtl_fifo_ctrl;
unsigned long mtl_tx_fifo_read_ctrl_write;
unsigned long mtl_tx_fifo_read_ctrl_wait;
unsigned long mtl_tx_fifo_read_ctrl_read;
unsigned long mtl_tx_fifo_read_ctrl_idle;
unsigned long mac_tx_in_pause;
unsigned long mac_tx_frame_ctrl_xfer;
unsigned long mac_tx_frame_ctrl_idle;
unsigned long mac_tx_frame_ctrl_wait;
unsigned long mac_tx_frame_ctrl_pause;
unsigned long mac_gmii_tx_proto_engine;
unsigned long mtl_rx_fifo_fill_level_full;
unsigned long mtl_rx_fifo_fill_above_thresh;
unsigned long mtl_rx_fifo_fill_below_thresh;
unsigned long mtl_rx_fifo_fill_level_empty;
unsigned long mtl_rx_fifo_read_ctrl_flush;
unsigned long mtl_rx_fifo_read_ctrl_read_data;
unsigned long mtl_rx_fifo_read_ctrl_status;
unsigned long mtl_rx_fifo_read_ctrl_idle;
unsigned long mtl_rx_fifo_ctrl_active;
unsigned long mac_rx_frame_ctrl_fifo;
unsigned long mac_gmii_rx_proto_engine;
};
/* CSR Frequency Access Defines*/
@@ -408,6 +433,7 @@ struct stmmac_ops {
void (*set_eee_pls)(struct mac_device_info *hw, int link);
void (*ctrl_ane)(struct mac_device_info *hw, bool restart);
void (*get_adv)(struct mac_device_info *hw, struct rgmii_adv *adv);
void (*debug)(void __iomem *ioaddr, struct stmmac_extra_stats *x);
};
/* PTP and HW Timer helpers */