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-rw-r--r--drivers/net/3c509.c13
-rw-r--r--drivers/net/Kconfig3
-rw-r--r--drivers/net/chelsio/sge.c6
-rw-r--r--drivers/net/de620.c2
-rw-r--r--drivers/net/dl2k.c25
-rw-r--r--drivers/net/e100.c5
-rw-r--r--drivers/net/e1000/e1000_main.c10
-rw-r--r--drivers/net/sky2.c32
-rw-r--r--drivers/net/tg3.c54
-rw-r--r--drivers/net/tg3.h1
-rw-r--r--drivers/net/tulip/de2104x.c26
-rw-r--r--drivers/net/tun.c5
12 files changed, 120 insertions, 62 deletions
diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index 824e430486c..830528dce0c 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -1574,6 +1574,7 @@ MODULE_LICENSE("GPL");
static int __init el3_init_module(void)
{
+ int ret = 0;
el3_cards = 0;
if (debug >= 0)
@@ -1589,14 +1590,16 @@ static int __init el3_init_module(void)
}
#ifdef CONFIG_EISA
- if (eisa_driver_register (&el3_eisa_driver) < 0) {
- eisa_driver_unregister (&el3_eisa_driver);
- }
+ ret = eisa_driver_register(&el3_eisa_driver);
#endif
#ifdef CONFIG_MCA
- mca_register_driver(&el3_mca_driver);
+ {
+ int err = mca_register_driver(&el3_mca_driver);
+ if (ret == 0)
+ ret = err;
+ }
#endif
- return 0;
+ return ret;
}
static void __exit el3_cleanup_module(void)
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index e45a8f95971..aa633fa95e6 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1087,7 +1087,8 @@ config NE2000
without a specific driver are compatible with NE2000.
If you have a PCI NE2000 card however, say N here and Y to "PCI
- NE2000 support", above. If you have a NE2000 card and are running on
+ NE2000 and clone support" under "EISA, VLB, PCI and on board
+ controllers" below. If you have a NE2000 card and are running on
an MCA system (a bus system used on some IBM PS/2 computers and
laptops), say N here and Y to "NE/2 (ne2000 MCA version) support",
below.
diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c
index 2c5b849b7ba..30ff8ea1a40 100644
--- a/drivers/net/chelsio/sge.c
+++ b/drivers/net/chelsio/sge.c
@@ -1021,7 +1021,7 @@ static void restart_tx_queues(struct sge *sge)
if (test_and_clear_bit(nd->if_port,
&sge->stopped_tx_queues) &&
netif_running(nd)) {
- sge->stats.cmdQ_restarted[3]++;
+ sge->stats.cmdQ_restarted[2]++;
netif_wake_queue(nd);
}
}
@@ -1350,7 +1350,7 @@ static int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter,
if (unlikely(credits < count)) {
netif_stop_queue(dev);
set_bit(dev->if_port, &sge->stopped_tx_queues);
- sge->stats.cmdQ_full[3]++;
+ sge->stats.cmdQ_full[2]++;
spin_unlock(&q->lock);
if (!netif_queue_stopped(dev))
CH_ERR("%s: Tx ring full while queue awake!\n",
@@ -1358,7 +1358,7 @@ static int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter,
return NETDEV_TX_BUSY;
}
if (unlikely(credits - count < q->stop_thres)) {
- sge->stats.cmdQ_full[3]++;
+ sge->stats.cmdQ_full[2]++;
netif_stop_queue(dev);
set_bit(dev->if_port, &sge->stopped_tx_queues);
}
diff --git a/drivers/net/de620.c b/drivers/net/de620.c
index 0069f5fa973..22fc5b869a6 100644
--- a/drivers/net/de620.c
+++ b/drivers/net/de620.c
@@ -1012,7 +1012,7 @@ static int __init read_eeprom(struct net_device *dev)
#ifdef MODULE
static struct net_device *de620_dev;
-int init_module(void)
+int __init init_module(void)
{
de620_dev = de620_probe(-1);
if (IS_ERR(de620_dev))
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index 430c628279b..fb9dae302dc 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -50,8 +50,8 @@
*/
#define DRV_NAME "D-Link DL2000-based linux driver"
-#define DRV_VERSION "v1.17a"
-#define DRV_RELDATE "2002/10/04"
+#define DRV_VERSION "v1.17b"
+#define DRV_RELDATE "2006/03/10"
#include "dl2k.h"
static char version[] __devinitdata =
@@ -765,7 +765,7 @@ rio_free_tx (struct net_device *dev, int irq)
break;
skb = np->tx_skbuff[entry];
pci_unmap_single (np->pdev,
- np->tx_ring[entry].fraginfo,
+ np->tx_ring[entry].fraginfo & 0xffffffffffff,
skb->len, PCI_DMA_TODEVICE);
if (irq)
dev_kfree_skb_irq (skb);
@@ -892,14 +892,16 @@ receive_packet (struct net_device *dev)
/* Small skbuffs for short packets */
if (pkt_len > copy_thresh) {
- pci_unmap_single (np->pdev, desc->fraginfo,
+ pci_unmap_single (np->pdev,
+ desc->fraginfo & 0xffffffffffff,
np->rx_buf_sz,
PCI_DMA_FROMDEVICE);
skb_put (skb = np->rx_skbuff[entry], pkt_len);
np->rx_skbuff[entry] = NULL;
} else if ((skb = dev_alloc_skb (pkt_len + 2)) != NULL) {
pci_dma_sync_single_for_cpu(np->pdev,
- desc->fraginfo,
+ desc->fraginfo &
+ 0xffffffffffff,
np->rx_buf_sz,
PCI_DMA_FROMDEVICE);
skb->dev = dev;
@@ -910,7 +912,8 @@ receive_packet (struct net_device *dev)
pkt_len, 0);
skb_put (skb, pkt_len);
pci_dma_sync_single_for_device(np->pdev,
- desc->fraginfo,
+ desc->fraginfo &
+ 0xffffffffffff,
np->rx_buf_sz,
PCI_DMA_FROMDEVICE);
}
@@ -1796,8 +1799,9 @@ rio_close (struct net_device *dev)
np->rx_ring[i].fraginfo = 0;
skb = np->rx_skbuff[i];
if (skb) {
- pci_unmap_single (np->pdev, np->rx_ring[i].fraginfo,
- skb->len, PCI_DMA_FROMDEVICE);
+ pci_unmap_single(np->pdev,
+ np->rx_ring[i].fraginfo & 0xffffffffffff,
+ skb->len, PCI_DMA_FROMDEVICE);
dev_kfree_skb (skb);
np->rx_skbuff[i] = NULL;
}
@@ -1805,8 +1809,9 @@ rio_close (struct net_device *dev)
for (i = 0; i < TX_RING_SIZE; i++) {
skb = np->tx_skbuff[i];
if (skb) {
- pci_unmap_single (np->pdev, np->tx_ring[i].fraginfo,
- skb->len, PCI_DMA_TODEVICE);
+ pci_unmap_single(np->pdev,
+ np->tx_ring[i].fraginfo & 0xffffffffffff,
+ skb->len, PCI_DMA_TODEVICE);
dev_kfree_skb (skb);
np->tx_skbuff[i] = NULL;
}
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 24253c807e5..f57a85feda3 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -2154,6 +2154,9 @@ static int e100_loopback_test(struct nic *nic, enum loopback loopback_mode)
msleep(10);
+ pci_dma_sync_single_for_cpu(nic->pdev, nic->rx_to_clean->dma_addr,
+ RFD_BUF_LEN, PCI_DMA_FROMDEVICE);
+
if(memcmp(nic->rx_to_clean->skb->data + sizeof(struct rfd),
skb->data, ETH_DATA_LEN))
err = -EAGAIN;
@@ -2161,8 +2164,8 @@ static int e100_loopback_test(struct nic *nic, enum loopback loopback_mode)
err_loopback_none:
mdio_write(nic->netdev, nic->mii.phy_id, MII_BMCR, 0);
nic->loopback = lb_none;
- e100_hw_init(nic);
e100_clean_cbs(nic);
+ e100_hw_reset(nic);
err_clean_rx:
e100_rx_clean_list(nic);
return err;
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 5b7d0f425af..84dcca3776e 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2917,7 +2917,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
if (!__pskb_pull_tail(skb, pull_size)) {
printk(KERN_ERR "__pskb_pull_tail failed.\n");
dev_kfree_skb_any(skb);
- return -EFAULT;
+ return NETDEV_TX_OK;
}
len = skb->len - skb->data_len;
}
@@ -3710,7 +3710,7 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
e1000_rx_checksum(adapter,
(uint32_t)(status) |
((uint32_t)(rx_desc->errors) << 24),
- rx_desc->csum, skb);
+ le16_to_cpu(rx_desc->csum), skb);
skb->protocol = eth_type_trans(skb, netdev);
#ifdef CONFIG_E1000_NAPI
@@ -3854,11 +3854,11 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
}
e1000_rx_checksum(adapter, staterr,
- rx_desc->wb.lower.hi_dword.csum_ip.csum, skb);
+ le16_to_cpu(rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
skb->protocol = eth_type_trans(skb, netdev);
if (likely(rx_desc->wb.upper.header_status &
- E1000_RXDPS_HDRSTAT_HDRSP))
+ cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP)))
adapter->rx_hdr_split++;
#ifdef CONFIG_E1000_NAPI
if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
@@ -3884,7 +3884,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
#endif
next_desc:
- rx_desc->wb.middle.status_error &= ~0xFF;
+ rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
buffer_info->skb = NULL;
/* return some buffers to hardware, one at a time is too slow */
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 72c1630977d..73260364cba 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -74,7 +74,7 @@
#define TX_RING_SIZE 512
#define TX_DEF_PENDING (TX_RING_SIZE - 1)
#define TX_MIN_PENDING 64
-#define MAX_SKB_TX_LE (4 + 2*MAX_SKB_FRAGS)
+#define MAX_SKB_TX_LE (4 + (sizeof(dma_addr_t)/sizeof(u32))*MAX_SKB_FRAGS)
#define STATUS_RING_SIZE 2048 /* 2 ports * (TX + 2*RX) */
#define STATUS_LE_BYTES (STATUS_RING_SIZE*sizeof(struct sky2_status_le))
@@ -622,8 +622,8 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
/* Configure Rx MAC FIFO */
sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR);
- sky2_write16(hw, SK_REG(port, RX_GMF_CTRL_T),
- GMF_RX_CTRL_DEF);
+ sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T),
+ GMF_OPER_ON | GMF_RX_F_FL_ON);
/* Flush Rx MAC FIFO on any flow control or error */
sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR);
@@ -995,6 +995,10 @@ static int sky2_rx_start(struct sky2_port *sky2)
sky2_rx_add(sky2, re->mapaddr);
}
+ /* Truncate oversize frames */
+ sky2_write16(hw, SK_REG(sky2->port, RX_GMF_TR_THR), sky2->rx_bufsize - 8);
+ sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_ON);
+
/* Tell chip about available buffers */
sky2_write16(hw, Y2_QADDR(rxq, PREF_UNIT_PUT_IDX), sky2->rx_put);
sky2->rx_last_put = sky2_read16(hw, Y2_QADDR(rxq, PREF_UNIT_PUT_IDX));
@@ -1145,6 +1149,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
struct sky2_tx_le *le = NULL;
struct tx_ring_info *re;
unsigned i, len;
+ int avail;
dma_addr_t mapping;
u32 addr64;
u16 mss;
@@ -1287,12 +1292,16 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
re->idx = sky2->tx_prod;
le->ctrl |= EOP;
+ avail = tx_avail(sky2);
+ if (mss != 0 || avail < TX_MIN_PENDING) {
+ le->ctrl |= FRC_STAT;
+ if (avail <= MAX_SKB_TX_LE)
+ netif_stop_queue(dev);
+ }
+
sky2_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod,
&sky2->tx_last_put, TX_RING_SIZE);
- if (tx_avail(sky2) <= MAX_SKB_TX_LE)
- netif_stop_queue(dev);
-
out_unlock:
spin_unlock(&sky2->tx_lock);
@@ -1707,10 +1716,12 @@ static void sky2_tx_timeout(struct net_device *dev)
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
-/* Want receive buffer size to be multiple of 64 bits, and incl room for vlan */
+/* Want receive buffer size to be multiple of 64 bits
+ * and incl room for vlan and truncation
+ */
static inline unsigned sky2_buf_size(int mtu)
{
- return roundup(mtu + ETH_HLEN + 4, 8);
+ return roundup(mtu + ETH_HLEN + VLAN_HLEN, 8) + 8;
}
static int sky2_change_mtu(struct net_device *dev, int new_mtu)
@@ -1793,7 +1804,7 @@ static struct sk_buff *sky2_receive(struct sky2_port *sky2,
if (!(status & GMR_FS_RX_OK))
goto resubmit;
- if ((status >> 16) != length || length > sky2->rx_bufsize)
+ if (length > sky2->netdev->mtu + ETH_HLEN)
goto oversize;
if (length < copybreak) {
@@ -3243,8 +3254,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
}
}
- err = request_irq(pdev->irq, sky2_intr, SA_SHIRQ | SA_SAMPLE_RANDOM,
- DRV_NAME, hw);
+ err = request_irq(pdev->irq, sky2_intr, SA_SHIRQ, DRV_NAME, hw);
if (err) {
printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
pci_name(pdev), pdev->irq);
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 15545620ab0..caf4102b54c 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -9552,12 +9552,36 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
}
}
- /* Find msi capability. */
+ /* The EPB bridge inside 5714, 5715, and 5780 cannot support
+ * DMA addresses > 40-bit. This bridge may have other additional
+ * 57xx devices behind it in some 4-port NIC designs for example.
+ * Any tg3 device found behind the bridge will also need the 40-bit
+ * DMA workaround.
+ */
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
+ tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
}
+ else {
+ struct pci_dev *bridge = NULL;
+
+ do {
+ bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
+ PCI_DEVICE_ID_SERVERWORKS_EPB,
+ bridge);
+ if (bridge && bridge->subordinate &&
+ (bridge->subordinate->number <=
+ tp->pdev->bus->number) &&
+ (bridge->subordinate->subordinate >=
+ tp->pdev->bus->number)) {
+ tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
+ pci_dev_put(bridge);
+ break;
+ }
+ } while (bridge);
+ }
/* Initialize misc host control in PCI block. */
tp->misc_host_ctrl |= (misc_ctrl_reg &
@@ -10303,7 +10327,14 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
- if (ccval == 0x6 || ccval == 0x7)
+ /* If the 5704 is behind the EPB bridge, we can
+ * do the less restrictive ONE_DMA workaround for
+ * better performance.
+ */
+ if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
+ tp->dma_rwctrl |= 0x8000;
+ else if (ccval == 0x6 || ccval == 0x7)
tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
/* Set bit 23 to enable PCIX hw bug fix */
@@ -10543,8 +10574,6 @@ static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
strcat(str, "66MHz");
else if (clock_ctrl == 6)
strcat(str, "100MHz");
- else if (clock_ctrl == 7)
- strcat(str, "133MHz");
} else {
strcpy(str, "PCI:");
if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
@@ -10761,19 +10790,20 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
goto err_out_iounmap;
}
- /* 5714, 5715 and 5780 cannot support DMA addresses > 40-bit.
+ /* The EPB bridge inside 5714, 5715, and 5780 and any
+ * device behind the EPB cannot support DMA addresses > 40-bit.
* On 64-bit systems with IOMMU, use 40-bit dma_mask.
* On 64-bit systems without IOMMU, use 64-bit dma_mask and
* do DMA address check in tg3_start_xmit().
*/
- if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
+ if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
+ persist_dma_mask = dma_mask = DMA_32BIT_MASK;
+ else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
persist_dma_mask = dma_mask = DMA_40BIT_MASK;
#ifdef CONFIG_HIGHMEM
dma_mask = DMA_64BIT_MASK;
#endif
- } else if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
- persist_dma_mask = dma_mask = DMA_32BIT_MASK;
- else
+ } else
persist_dma_mask = dma_mask = DMA_64BIT_MASK;
/* Configure DMA attributes. */
@@ -10910,8 +10940,10 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
(tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
(tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
- printk(KERN_INFO "%s: dma_rwctrl[%08x]\n",
- dev->name, tp->dma_rwctrl);
+ printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
+ dev->name, tp->dma_rwctrl,
+ (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
+ (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
return 0;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 7f4b7f6ac40..7e3b613afb2 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2163,6 +2163,7 @@ struct tg3 {
#define TG3_FLAG_10_100_ONLY 0x01000000
#define TG3_FLAG_PAUSE_AUTONEG 0x02000000
#define TG3_FLAG_IN_RESET_TASK 0x04000000
+#define TG3_FLAG_40BIT_DMA_BUG 0x08000000
#define TG3_FLAG_BROKEN_CHECKSUMS 0x10000000
#define TG3_FLAG_GOT_SERDES_FLOWCTL 0x20000000
#define TG3_FLAG_SPLIT_MODE 0x40000000
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index d7fb3ffe06a..2d0cfbceee2 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -1362,7 +1362,6 @@ static int de_open (struct net_device *dev)
{
struct de_private *de = dev->priv;
int rc;
- unsigned long flags;
if (netif_msg_ifup(de))
printk(KERN_DEBUG "%s: enabling interface\n", dev->name);
@@ -1376,18 +1375,20 @@ static int de_open (struct net_device *dev)
return rc;
}
- rc = de_init_hw(de);
- if (rc) {
- printk(KERN_ERR "%s: h/w init failure, err=%d\n",
- dev->name, rc);
- goto err_out_free;
- }
+ dw32(IntrMask, 0);
rc = request_irq(dev->irq, de_interrupt, SA_SHIRQ, dev->name, dev);
if (rc) {
printk(KERN_ERR "%s: IRQ %d request failure, err=%d\n",
dev->name, dev->irq, rc);
- goto err_out_hw;
+ goto err_out_free;
+ }
+
+ rc = de_init_hw(de);
+ if (rc) {
+ printk(KERN_ERR "%s: h/w init failure, err=%d\n",
+ dev->name, rc);
+ goto err_out_free_irq;
}
netif_start_queue(dev);
@@ -1395,11 +1396,8 @@ static int de_open (struct net_device *dev)
return 0;
-err_out_hw:
- spin_lock_irqsave(&de->lock, flags);
- de_stop_hw(de);
- spin_unlock_irqrestore(&de->lock, flags);
-
+err_out_free_irq:
+ free_irq(dev->irq, dev);
err_out_free:
de_free_rings(de);
return rc;
@@ -1455,6 +1453,8 @@ static void de_tx_timeout (struct net_device *dev)
synchronize_irq(dev->irq);
de_clean_rings(de);
+ de_init_rings(de);
+
de_init_hw(de);
netif_wake_queue(dev);
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 50b8c6754b1..a1ed2d98374 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -249,8 +249,11 @@ static __inline__ ssize_t tun_get_user(struct tun_struct *tun, struct iovec *iv,
if (align)
skb_reserve(skb, align);
- if (memcpy_fromiovec(skb_put(skb, len), iv, len))
+ if (memcpy_fromiovec(skb_put(skb, len), iv, len)) {
+ tun->stats.rx_dropped++;
+ kfree_skb(skb);
return -EFAULT;
+ }
skb->dev = tun->dev;
switch (tun->flags & TUN_TYPE_MASK) {