Commit f748be53 authored by Alexandre TORGUE's avatar Alexandre TORGUE Committed by David S. Miller
Browse files

stmmac: support new GMAC4 



This patch adds the whole GMAC4 support inside the
stmmac d.d. now able to use the new HW and some new features
i.e.: TSO.
It is missing the multi-queue and split Header support at this
stage.
This patch also updates the driver version and the stmmac.txt.

Signed-off-by: default avatarAlexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: default avatarGiuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ee2ae1ed

drivers/net/ethernet/stmicro/stmmac/common.h

+4 −0
Original line number Diff line number Diff line
@@ -169,6 +169,9 @@ struct stmmac_extra_stats { 
	unsigned long mtl_rx_fifo_ctrl_active;

	unsigned long mac_rx_frame_ctrl_fifo;

	unsigned long mac_gmii_rx_proto_engine;

	/* TSO */

	unsigned long tx_tso_frames;

	unsigned long tx_tso_nfrags;

};



/* CSR Frequency Access Defines*/
@@ -545,6 +548,7 @@ void stmmac_dwmac4_set_mac(void __iomem *ioaddr, bool enable); 
void dwmac_dma_flush_tx_fifo(void __iomem *ioaddr);

extern const struct stmmac_mode_ops ring_mode_ops;

extern const struct stmmac_mode_ops chain_mode_ops;

extern const struct stmmac_desc_ops dwmac4_desc_ops;



/**

 * stmmac_get_synopsys_id - return the SYINID.

drivers/net/ethernet/stmicro/stmmac/stmmac.h

+5 −1
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ 
#define __STMMAC_H__



#define STMMAC_RESOURCE_NAME   "stmmaceth"

#define DRV_MODULE_VERSION	"Oct_2015"

#define DRV_MODULE_VERSION	"Dec_2015"



#include <linux/clk.h>

#include <linux/stmmac.h>
@@ -67,6 +67,7 @@ struct stmmac_priv { 
	spinlock_t tx_lock;

	bool tx_path_in_lpi_mode;

	struct timer_list txtimer;

	bool tso;



	struct dma_desc *dma_rx	____cacheline_aligned_in_smp;

	struct dma_extended_desc *dma_erx;
@@ -129,6 +130,9 @@ struct stmmac_priv { 
	int irq_wake;

	spinlock_t ptp_lock;

	void __iomem *mmcaddr;

	u32 rx_tail_addr;

	u32 tx_tail_addr;

	u32 mss;



#ifdef CONFIG_DEBUG_FS

	struct dentry *dbgfs_dir;

drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c

+4 −1
Original line number Diff line number Diff line
@@ -161,6 +161,9 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = { 
	STMMAC_STAT(mtl_rx_fifo_ctrl_active),

	STMMAC_STAT(mac_rx_frame_ctrl_fifo),

	STMMAC_STAT(mac_gmii_rx_proto_engine),

	/* TSO */

	STMMAC_STAT(tx_tso_frames),

	STMMAC_STAT(tx_tso_nfrags),

};

#define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
@@ -499,7 +502,7 @@ static void stmmac_get_ethtool_stats(struct net_device *dev, 
	int i, j = 0;



	/* Update the DMA HW counters for dwmac10/100 */

	if (!priv->plat->has_gmac)

	if (priv->hw->dma->dma_diagnostic_fr)

		priv->hw->dma->dma_diagnostic_fr(&dev->stats,

						 (void *) &priv->xstats,

						 priv->ioaddr);

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

+431 −52

File changed.

Preview size limit exceeded, changes collapsed.