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-rw-r--r--drivers/net/stmmac/common.h1
-rw-r--r--drivers/net/stmmac/dwmac1000.h2
-rw-r--r--drivers/net/stmmac/dwmac1000_core.c2
-rw-r--r--drivers/net/stmmac/dwmac100_core.c2
-rw-r--r--drivers/net/stmmac/enh_desc.c2
-rw-r--r--drivers/net/stmmac/stmmac_main.c37
6 files changed, 24 insertions, 22 deletions
diff --git a/drivers/net/stmmac/common.h b/drivers/net/stmmac/common.h
index 144f76fd3e3..66b9da0260f 100644
--- a/drivers/net/stmmac/common.h
+++ b/drivers/net/stmmac/common.h
@@ -108,6 +108,7 @@ enum rx_frame_status { /* IPC status */
good_frame = 0,
discard_frame = 1,
csum_none = 2,
+ llc_snap = 4,
};
enum tx_dma_irq_status {
diff --git a/drivers/net/stmmac/dwmac1000.h b/drivers/net/stmmac/dwmac1000.h
index d8d0f355377..8b20b19971c 100644
--- a/drivers/net/stmmac/dwmac1000.h
+++ b/drivers/net/stmmac/dwmac1000.h
@@ -93,7 +93,7 @@ enum inter_frame_gap {
#define GMAC_CONTROL_IPC 0x00000400 /* Checksum Offload */
#define GMAC_CONTROL_DR 0x00000200 /* Disable Retry */
#define GMAC_CONTROL_LUD 0x00000100 /* Link up/down */
-#define GMAC_CONTROL_ACS 0x00000080 /* Automatic Pad Stripping */
+#define GMAC_CONTROL_ACS 0x00000080 /* Automatic Pad/FCS Stripping */
#define GMAC_CONTROL_DC 0x00000010 /* Deferral Check */
#define GMAC_CONTROL_TE 0x00000008 /* Transmitter Enable */
#define GMAC_CONTROL_RE 0x00000004 /* Receiver Enable */
diff --git a/drivers/net/stmmac/dwmac1000_core.c b/drivers/net/stmmac/dwmac1000_core.c
index 917b4e16923..2b2f5c8caf1 100644
--- a/drivers/net/stmmac/dwmac1000_core.c
+++ b/drivers/net/stmmac/dwmac1000_core.c
@@ -220,6 +220,8 @@ struct mac_device_info *dwmac1000_setup(unsigned long ioaddr)
((uid & 0x0000ff00) >> 8), (uid & 0x000000ff));
mac = kzalloc(sizeof(const struct mac_device_info), GFP_KERNEL);
+ if (!mac)
+ return NULL;
mac->mac = &dwmac1000_ops;
mac->dma = &dwmac1000_dma_ops;
diff --git a/drivers/net/stmmac/dwmac100_core.c b/drivers/net/stmmac/dwmac100_core.c
index 6f270a0e151..2fb165fa2ba 100644
--- a/drivers/net/stmmac/dwmac100_core.c
+++ b/drivers/net/stmmac/dwmac100_core.c
@@ -179,6 +179,8 @@ struct mac_device_info *dwmac100_setup(unsigned long ioaddr)
struct mac_device_info *mac;
mac = kzalloc(sizeof(const struct mac_device_info), GFP_KERNEL);
+ if (!mac)
+ return NULL;
pr_info("\tDWMAC100\n");
diff --git a/drivers/net/stmmac/enh_desc.c b/drivers/net/stmmac/enh_desc.c
index 3c18ebece04..f612f986a7e 100644
--- a/drivers/net/stmmac/enh_desc.c
+++ b/drivers/net/stmmac/enh_desc.c
@@ -123,7 +123,7 @@ static int enh_desc_coe_rdes0(int ipc_err, int type, int payload_err)
*/
if (status == 0x0) {
CHIP_DBG(KERN_INFO "RX Des0 status: IEEE 802.3 Type frame.\n");
- ret = good_frame;
+ ret = llc_snap;
} else if (status == 0x4) {
CHIP_DBG(KERN_INFO "RX Des0 status: IPv4/6 No CSUM errorS.\n");
ret = good_frame;
diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c
index a31d580f306..bbb7951b9c4 100644
--- a/drivers/net/stmmac/stmmac_main.c
+++ b/drivers/net/stmmac/stmmac_main.c
@@ -829,7 +829,6 @@ static int stmmac_open(struct net_device *dev)
* In case of failure continue without timer. */
if (unlikely((stmmac_open_ext_timer(dev, priv->tm)) < 0)) {
pr_warning("stmmaceth: cannot attach the external timer.\n");
- tmrate = 0;
priv->tm->freq = 0;
priv->tm->timer_start = stmmac_no_timer_started;
priv->tm->timer_stop = stmmac_no_timer_stopped;
@@ -1217,9 +1216,13 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
priv->dev->stats.rx_errors++;
else {
struct sk_buff *skb;
- /* Length should omit the CRC */
- int frame_len = priv->hw->desc->get_rx_frame_len(p) - 4;
+ int frame_len;
+ frame_len = priv->hw->desc->get_rx_frame_len(p);
+ /* ACS is set; GMAC core strips PAD/FCS for IEEE 802.3
+ * Type frames (LLC/LLC-SNAP) */
+ if (unlikely(status != llc_snap))
+ frame_len -= ETH_FCS_LEN;
#ifdef STMMAC_RX_DEBUG
if (frame_len > ETH_FRAME_LEN)
pr_debug("\tRX frame size %d, COE status: %d\n",
@@ -1437,24 +1440,18 @@ static void stmmac_poll_controller(struct net_device *dev)
static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct stmmac_priv *priv = netdev_priv(dev);
- int ret = -EOPNOTSUPP;
+ int ret;
if (!netif_running(dev))
return -EINVAL;
- switch (cmd) {
- case SIOCGMIIPHY:
- case SIOCGMIIREG:
- case SIOCSMIIREG:
- if (!priv->phydev)
- return -EINVAL;
-
- spin_lock(&priv->lock);
- ret = phy_mii_ioctl(priv->phydev, if_mii(rq), cmd);
- spin_unlock(&priv->lock);
- default:
- break;
- }
+ if (!priv->phydev)
+ return -EINVAL;
+
+ spin_lock(&priv->lock);
+ ret = phy_mii_ioctl(priv->phydev, rq, cmd);
+ spin_unlock(&priv->lock);
+
return ret;
}
@@ -1564,15 +1561,15 @@ static int stmmac_mac_device_setup(struct net_device *dev)
else
device = dwmac100_setup(ioaddr);
+ if (!device)
+ return -ENOMEM;
+
if (priv->enh_desc) {
device->desc = &enh_desc_ops;
pr_info("\tEnhanced descriptor structure\n");
} else
device->desc = &ndesc_ops;
- if (!device)
- return -ENOMEM;
-
priv->hw = device;
priv->wolenabled = priv->hw->pmt; /* PMT supported */