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
This patch also updates the driver version and the stmmac.txt.
Signed-off-by: default avatarAlexandre TORGUE <>
Signed-off-by: default avatarGiuseppe Cavallaro <>
Signed-off-by: default avatarDavid S. Miller <>
parent ee2ae1ed
......@@ -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.
......@@ -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;
struct dentry *dbgfs_dir;
......@@ -161,6 +161,9 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = {
/* TSO */
#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)
(void *) &priv->xstats,
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