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path: root/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c56
1 files changed, 36 insertions, 20 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 20a2b01b392c..8c1a5361f661 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -55,7 +55,7 @@
#include <linux/of_mdio.h>
#include "dwmac1000.h"
-#define STMMAC_ALIGN(x) __ALIGN_KERNEL(x, SMP_CACHE_BYTES)
+#define STMMAC_ALIGN(x) ALIGN(ALIGN(x, SMP_CACHE_BYTES), 16)
#define TSO_MAX_BUFF_SIZE (SZ_16K - 1)
/* Module parameters */
@@ -929,7 +929,9 @@ static int stmmac_set_bfsize(int mtu, int bufsize)
{
int ret = bufsize;
- if (mtu >= BUF_SIZE_4KiB)
+ if (mtu >= BUF_SIZE_8KiB)
+ ret = BUF_SIZE_16KiB;
+ else if (mtu >= BUF_SIZE_4KiB)
ret = BUF_SIZE_8KiB;
else if (mtu >= BUF_SIZE_2KiB)
ret = BUF_SIZE_4KiB;
@@ -956,11 +958,11 @@ static void stmmac_clear_descriptors(struct stmmac_priv *priv)
if (priv->extend_desc)
priv->hw->desc->init_rx_desc(&priv->dma_erx[i].basic,
priv->use_riwt, priv->mode,
- (i == DMA_RX_SIZE - 1));
+ (i == DMA_RX_SIZE - 1), priv->dma_buf_sz);
else
priv->hw->desc->init_rx_desc(&priv->dma_rx[i],
priv->use_riwt, priv->mode,
- (i == DMA_RX_SIZE - 1));
+ (i == DMA_RX_SIZE - 1), priv->dma_buf_sz);
for (i = 0; i < DMA_TX_SIZE; i++)
if (priv->extend_desc)
priv->hw->desc->init_tx_desc(&priv->dma_etx[i].basic,
@@ -1747,11 +1749,6 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
if (ret < 0)
pr_warn("%s: failed debugFS registration\n", __func__);
#endif
- /* Start the ball rolling... */
- pr_debug("%s: DMA RX/TX processes started...\n", dev->name);
- priv->hw->dma->start_tx(priv->ioaddr);
- priv->hw->dma->start_rx(priv->ioaddr);
-
/* Dump DMA/MAC registers */
if (netif_msg_hw(priv)) {
priv->hw->mac->dump_regs(priv->hw);
@@ -1779,6 +1776,11 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
if (priv->tso)
priv->hw->dma->enable_tso(priv->ioaddr, 1, STMMAC_CHAN0);
+ /* Start the ball rolling... */
+ pr_debug("%s: DMA RX/TX processes started...\n", dev->name);
+ priv->hw->dma->start_tx(priv->ioaddr);
+ priv->hw->dma->start_rx(priv->ioaddr);
+
return 0;
}
@@ -1796,8 +1798,6 @@ static int stmmac_open(struct net_device *dev)
struct stmmac_priv *priv = netdev_priv(dev);
int ret;
- stmmac_check_ether_addr(priv);
-
if (priv->hw->pcs != STMMAC_PCS_RGMII &&
priv->hw->pcs != STMMAC_PCS_TBI &&
priv->hw->pcs != STMMAC_PCS_RTBI) {
@@ -2481,7 +2481,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv)
wmb();
if (unlikely(priv->synopsys_id >= DWMAC_CORE_4_00))
- priv->hw->desc->init_rx_desc(p, priv->use_riwt, 0, 0);
+ priv->hw->desc->init_rx_desc(p, priv->use_riwt, 0, 0, priv->dma_buf_sz);
else
priv->hw->desc->set_rx_owner(p);
@@ -2501,8 +2501,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv)
*/
static int stmmac_rx(struct stmmac_priv *priv, int limit)
{
- unsigned int entry = priv->cur_rx;
- unsigned int next_entry;
+ unsigned int next_entry = priv->cur_rx;
unsigned int count = 0;
int coe = priv->hw->rx_csum;
@@ -2518,10 +2517,12 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
priv->hw->desc->display_ring(rx_head, DMA_RX_SIZE, true);
}
while (count < limit) {
- int status;
+ int entry, status;
struct dma_desc *p;
struct dma_desc *np;
+ entry = next_entry;
+
if (priv->extend_desc)
p = (struct dma_desc *)(priv->dma_erx + entry);
else
@@ -2586,7 +2587,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
priv->dev->name, frame_len,
priv->dma_buf_sz);
priv->dev->stats.rx_length_errors++;
- break;
+ continue;
}
/* ACS is set; GMAC core strips PAD/FCS for IEEE 802.3
@@ -2617,7 +2618,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
dev_warn(priv->device,
"packet dropped\n");
priv->dev->stats.rx_dropped++;
- break;
+ continue;
}
dma_sync_single_for_cpu(priv->device,
@@ -2640,7 +2641,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
pr_err("%s: Inconsistent Rx chain\n",
priv->dev->name);
priv->dev->stats.rx_dropped++;
- break;
+ continue;
}
prefetch(skb->data - NET_IP_ALIGN);
priv->rx_skbuff[entry] = NULL;
@@ -2674,7 +2675,6 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
priv->dev->stats.rx_packets++;
priv->dev->stats.rx_bytes += frame_len;
}
- entry = next_entry;
}
stmmac_rx_refill(priv);
@@ -2931,6 +2931,20 @@ static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return ret;
}
+static int stmmac_set_mac_address(struct net_device *ndev, void *addr)
+{
+ struct stmmac_priv *priv = netdev_priv(ndev);
+ int ret = 0;
+
+ ret = eth_mac_addr(ndev, addr);
+ if (ret)
+ return ret;
+
+ priv->hw->mac->set_umac_addr(priv->hw, ndev->dev_addr, 0);
+
+ return ret;
+}
+
#ifdef CONFIG_DEBUG_FS
static struct dentry *stmmac_fs_dir;
@@ -3137,7 +3151,7 @@ static const struct net_device_ops stmmac_netdev_ops = {
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = stmmac_poll_controller,
#endif
- .ndo_set_mac_address = eth_mac_addr,
+ .ndo_set_mac_address = stmmac_set_mac_address,
};
/**
@@ -3341,6 +3355,8 @@ int stmmac_dvr_probe(struct device *device,
if (ret)
goto error_hw_init;
+ stmmac_check_ether_addr(priv);
+
ndev->netdev_ops = &stmmac_netdev_ops;
ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |