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Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
-rw-r--r--drivers/net/e1000/e1000_main.c198
1 files changed, 97 insertions, 101 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index add8dc4aa7b0..82d443ba3612 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1,7 +1,7 @@
/*******************************************************************************
- Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
+ Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
@@ -22,6 +22,7 @@
Contact Information:
Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
@@ -74,9 +75,9 @@ static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
#else
#define DRIVERNAPI "-NAPI"
#endif
-#define DRV_VERSION "7.0.33-k2"DRIVERNAPI
+#define DRV_VERSION "7.0.38-k2"DRIVERNAPI
char e1000_driver_version[] = DRV_VERSION;
-static char e1000_copyright[] = "Copyright (c) 1999-2005 Intel Corporation.";
+static char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
/* e1000_pci_tbl - PCI Device ID Table
*
@@ -208,8 +209,8 @@ static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
static void e1000_tx_timeout(struct net_device *dev);
static void e1000_reset_task(struct net_device *dev);
static void e1000_smartspeed(struct e1000_adapter *adapter);
-static inline int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
- struct sk_buff *skb);
+static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
+ struct sk_buff *skb);
static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
static void e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid);
@@ -291,7 +292,7 @@ module_exit(e1000_exit_module);
* @adapter: board private structure
**/
-static inline void
+static void
e1000_irq_disable(struct e1000_adapter *adapter)
{
atomic_inc(&adapter->irq_sem);
@@ -305,7 +306,7 @@ e1000_irq_disable(struct e1000_adapter *adapter)
* @adapter: board private structure
**/
-static inline void
+static void
e1000_irq_enable(struct e1000_adapter *adapter)
{
if (likely(atomic_dec_and_test(&adapter->irq_sem))) {
@@ -349,7 +350,7 @@ e1000_update_mng_vlan(struct e1000_adapter *adapter)
*
**/
-static inline void
+static void
e1000_release_hw_control(struct e1000_adapter *adapter)
{
uint32_t ctrl_ext;
@@ -359,6 +360,7 @@ e1000_release_hw_control(struct e1000_adapter *adapter)
switch (adapter->hw.mac_type) {
case e1000_82571:
case e1000_82572:
+ case e1000_80003es2lan:
ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
@@ -383,7 +385,7 @@ e1000_release_hw_control(struct e1000_adapter *adapter)
*
**/
-static inline void
+static void
e1000_get_hw_control(struct e1000_adapter *adapter)
{
uint32_t ctrl_ext;
@@ -392,6 +394,7 @@ e1000_get_hw_control(struct e1000_adapter *adapter)
switch (adapter->hw.mac_type) {
case e1000_82571:
case e1000_82572:
+ case e1000_80003es2lan:
ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
@@ -419,7 +422,7 @@ e1000_up(struct e1000_adapter *adapter)
uint16_t mii_reg;
e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
if (mii_reg & MII_CR_POWER_DOWN)
- e1000_phy_reset(&adapter->hw);
+ e1000_phy_hw_reset(&adapter->hw);
}
e1000_set_multi(netdev);
@@ -970,8 +973,8 @@ e1000_sw_init(struct e1000_adapter *adapter)
pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
- adapter->rx_buffer_len = E1000_RXBUFFER_2048;
- adapter->rx_ps_bsize0 = E1000_RXBUFFER_256;
+ adapter->rx_buffer_len = MAXIMUM_ETHERNET_FRAME_SIZE;
+ adapter->rx_ps_bsize0 = E1000_RXBUFFER_128;
hw->max_frame_size = netdev->mtu +
ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
@@ -1179,7 +1182,7 @@ e1000_close(struct net_device *netdev)
* @start: address of beginning of memory
* @len: length of memory
**/
-static inline boolean_t
+static boolean_t
e1000_check_64k_bound(struct e1000_adapter *adapter,
void *start, unsigned long len)
{
@@ -1597,14 +1600,21 @@ e1000_setup_rctl(struct e1000_adapter *adapter)
rctl |= E1000_RCTL_LPE;
/* Setup buffer sizes */
- if (adapter->hw.mac_type >= e1000_82571) {
- /* We can now specify buffers in 1K increments.
- * BSIZE and BSEX are ignored in this case. */
- rctl |= adapter->rx_buffer_len << 0x11;
- } else {
- rctl &= ~E1000_RCTL_SZ_4096;
- rctl |= E1000_RCTL_BSEX;
- switch (adapter->rx_buffer_len) {
+ rctl &= ~E1000_RCTL_SZ_4096;
+ rctl |= E1000_RCTL_BSEX;
+ switch (adapter->rx_buffer_len) {
+ case E1000_RXBUFFER_256:
+ rctl |= E1000_RCTL_SZ_256;
+ rctl &= ~E1000_RCTL_BSEX;
+ break;
+ case E1000_RXBUFFER_512:
+ rctl |= E1000_RCTL_SZ_512;
+ rctl &= ~E1000_RCTL_BSEX;
+ break;
+ case E1000_RXBUFFER_1024:
+ rctl |= E1000_RCTL_SZ_1024;
+ rctl &= ~E1000_RCTL_BSEX;
+ break;
case E1000_RXBUFFER_2048:
default:
rctl |= E1000_RCTL_SZ_2048;
@@ -1619,7 +1629,6 @@ e1000_setup_rctl(struct e1000_adapter *adapter)
case E1000_RXBUFFER_16384:
rctl |= E1000_RCTL_SZ_16384;
break;
- }
}
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
@@ -1713,7 +1722,7 @@ e1000_configure_rx(struct e1000_adapter *adapter)
if (hw->mac_type >= e1000_82571) {
ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
/* Reset delay timers after every interrupt */
- ctrl_ext |= E1000_CTRL_EXT_CANC;
+ ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
#ifdef CONFIG_E1000_NAPI
/* Auto-Mask interrupts upon ICR read. */
ctrl_ext |= E1000_CTRL_EXT_IAME;
@@ -1805,7 +1814,7 @@ e1000_free_all_tx_resources(struct e1000_adapter *adapter)
e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
}
-static inline void
+static void
e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
struct e1000_buffer *buffer_info)
{
@@ -2245,6 +2254,7 @@ e1000_watchdog_task(struct e1000_adapter *adapter)
if (link) {
if (!netif_carrier_ok(netdev)) {
+ boolean_t txb2b = 1;
e1000_get_speed_and_duplex(&adapter->hw,
&adapter->link_speed,
&adapter->link_duplex);
@@ -2258,23 +2268,22 @@ e1000_watchdog_task(struct e1000_adapter *adapter)
* and adjust the timeout factor */
netdev->tx_queue_len = adapter->tx_queue_len;
adapter->tx_timeout_factor = 1;
- adapter->txb2b = 1;
switch (adapter->link_speed) {
case SPEED_10:
- adapter->txb2b = 0;
+ txb2b = 0;
netdev->tx_queue_len = 10;
adapter->tx_timeout_factor = 8;
break;
case SPEED_100:
- adapter->txb2b = 0;
+ txb2b = 0;
netdev->tx_queue_len = 100;
/* maybe add some timeout factor ? */
break;
}
- if ((adapter->hw.mac_type == e1000_82571 ||
+ if ((adapter->hw.mac_type == e1000_82571 ||
adapter->hw.mac_type == e1000_82572) &&
- adapter->txb2b == 0) {
+ txb2b == 0) {
#define SPEED_MODE_BIT (1 << 21)
uint32_t tarc0;
tarc0 = E1000_READ_REG(&adapter->hw, TARC0);
@@ -2398,7 +2407,7 @@ e1000_watchdog_task(struct e1000_adapter *adapter)
#define E1000_TX_FLAGS_VLAN_MASK 0xffff0000
#define E1000_TX_FLAGS_VLAN_SHIFT 16
-static inline int
+static int
e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
struct sk_buff *skb)
{
@@ -2478,7 +2487,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
return FALSE;
}
-static inline boolean_t
+static boolean_t
e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
struct sk_buff *skb)
{
@@ -2514,7 +2523,7 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
#define E1000_MAX_TXD_PWR 12
#define E1000_MAX_DATA_PER_TXD (1<<E1000_MAX_TXD_PWR)
-static inline int
+static int
e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
struct sk_buff *skb, unsigned int first, unsigned int max_per_txd,
unsigned int nr_frags, unsigned int mss)
@@ -2623,7 +2632,7 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
return count;
}
-static inline void
+static void
e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
int tx_flags, int count)
{
@@ -2687,7 +2696,7 @@ e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
#define E1000_FIFO_HDR 0x10
#define E1000_82547_PAD_LEN 0x3E0
-static inline int
+static int
e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb)
{
uint32_t fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
@@ -2714,7 +2723,7 @@ no_fifo_stall_required:
}
#define MINIMUM_DHCP_PACKET_SIZE 282
-static inline int
+static int
e1000_transfer_dhcp_info(struct e1000_adapter *adapter, struct sk_buff *skb)
{
struct e1000_hw *hw = &adapter->hw;
@@ -2980,8 +2989,7 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu)
/* Adapter-specific max frame size limits. */
switch (adapter->hw.mac_type) {
- case e1000_82542_rev2_0:
- case e1000_82542_rev2_1:
+ case e1000_undefined ... e1000_82542_rev2_1:
if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
return -EINVAL;
@@ -3015,27 +3023,32 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu)
break;
}
-
- if (adapter->hw.mac_type > e1000_82547_rev_2) {
- adapter->rx_buffer_len = max_frame;
- E1000_ROUNDUP(adapter->rx_buffer_len, 1024);
- } else {
- if(unlikely((adapter->hw.mac_type < e1000_82543) &&
- (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE))) {
- DPRINTK(PROBE, ERR, "Jumbo Frames not supported "
- "on 82542\n");
- return -EINVAL;
- } else {
- if(max_frame <= E1000_RXBUFFER_2048)
- adapter->rx_buffer_len = E1000_RXBUFFER_2048;
- else if(max_frame <= E1000_RXBUFFER_4096)
- adapter->rx_buffer_len = E1000_RXBUFFER_4096;
- else if(max_frame <= E1000_RXBUFFER_8192)
- adapter->rx_buffer_len = E1000_RXBUFFER_8192;
- else if(max_frame <= E1000_RXBUFFER_16384)
- adapter->rx_buffer_len = E1000_RXBUFFER_16384;
- }
- }
+ /* NOTE: dev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
+ * means we reserve 2 more, this pushes us to allocate from the next
+ * larger slab size
+ * i.e. RXBUFFER_2048 --> size-4096 slab */
+
+ if (max_frame <= E1000_RXBUFFER_256)
+ adapter->rx_buffer_len = E1000_RXBUFFER_256;
+ else if (max_frame <= E1000_RXBUFFER_512)
+ adapter->rx_buffer_len = E1000_RXBUFFER_512;
+ else if (max_frame <= E1000_RXBUFFER_1024)
+ adapter->rx_buffer_len = E1000_RXBUFFER_1024;
+ else if (max_frame <= E1000_RXBUFFER_2048)
+ adapter->rx_buffer_len = E1000_RXBUFFER_2048;
+ else if (max_frame <= E1000_RXBUFFER_4096)
+ adapter->rx_buffer_len = E1000_RXBUFFER_4096;
+ else if (max_frame <= E1000_RXBUFFER_8192)
+ adapter->rx_buffer_len = E1000_RXBUFFER_8192;
+ else if (max_frame <= E1000_RXBUFFER_16384)
+ adapter->rx_buffer_len = E1000_RXBUFFER_16384;
+
+ /* adjust allocation if LPE protects us, and we aren't using SBP */
+#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
+ if (!adapter->hw.tbi_compatibility_on &&
+ ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
+ (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
+ adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
netdev->mtu = new_mtu;
@@ -3163,7 +3176,6 @@ e1000_update_stats(struct e1000_adapter *adapter)
adapter->stats.crcerrs + adapter->stats.algnerrc +
adapter->stats.ruc + adapter->stats.roc +
adapter->stats.cexterr;
- adapter->net_stats.rx_dropped = 0;
adapter->net_stats.rx_length_errors = adapter->stats.ruc +
adapter->stats.roc;
adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
@@ -3389,13 +3401,15 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter,
tx_ring->next_to_clean = i;
- spin_lock(&tx_ring->tx_lock);
-
+#define TX_WAKE_THRESHOLD 32
if (unlikely(cleaned && netif_queue_stopped(netdev) &&
- netif_carrier_ok(netdev)))
- netif_wake_queue(netdev);
-
- spin_unlock(&tx_ring->tx_lock);
+ netif_carrier_ok(netdev))) {
+ spin_lock(&tx_ring->tx_lock);
+ if (netif_queue_stopped(netdev) &&
+ (E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD))
+ netif_wake_queue(netdev);
+ spin_unlock(&tx_ring->tx_lock);
+ }
if (adapter->detect_tx_hung) {
/* Detect a transmit hang in hardware, this serializes the
@@ -3443,7 +3457,7 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter,
* @sk_buff: socket buffer with received data
**/
-static inline void
+static void
e1000_rx_checksum(struct e1000_adapter *adapter,
uint32_t status_err, uint32_t csum,
struct sk_buff *skb)
@@ -3567,10 +3581,12 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
flags);
length--;
} else {
- dev_kfree_skb_irq(skb);
+ /* recycle */
+ buffer_info->skb = skb;
goto next_desc;
}
- }
+ } else
+ skb_put(skb, length);
/* code added for copybreak, this should improve
* performance for small packets with large amounts
@@ -3675,6 +3691,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
i = rx_ring->next_to_clean;
rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
+ buffer_info = &rx_ring->buffer_info[i];
while (staterr & E1000_RXD_STAT_DD) {
buffer_info = &rx_ring->buffer_info[i];
@@ -3735,7 +3752,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
/* page alloc/put takes too long and effects small packet
* throughput, so unsplit small packets and save the alloc/put*/
- if (l1 && ((length + l1) < E1000_CB_LENGTH)) {
+ if (l1 && ((length + l1) <= adapter->rx_ps_bsize0)) {
u8 *vaddr;
/* there is no documentation about how to call
* kmap_atomic, so we can't hold the mapping
@@ -3768,6 +3785,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
ps_page->ps_page[j] = NULL;
skb->len += length;
skb->data_len += length;
+ skb->truesize += length;
}
copydone:
@@ -4515,21 +4533,13 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state)
E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN);
E1000_WRITE_REG(&adapter->hw, WUFC, wufc);
- retval = pci_enable_wake(pdev, PCI_D3hot, 1);
- if (retval)
- DPRINTK(PROBE, ERR, "Error enabling D3 wake\n");
- retval = pci_enable_wake(pdev, PCI_D3cold, 1);
- if (retval)
- DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n");
+ pci_enable_wake(pdev, PCI_D3hot, 1);
+ pci_enable_wake(pdev, PCI_D3cold, 1);
} else {
E1000_WRITE_REG(&adapter->hw, WUC, 0);
E1000_WRITE_REG(&adapter->hw, WUFC, 0);
- retval = pci_enable_wake(pdev, PCI_D3hot, 0);
- if (retval)
- DPRINTK(PROBE, ERR, "Error enabling D3 wake\n");
- retval = pci_enable_wake(pdev, PCI_D3cold, 0);
- if (retval)
- DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n");
+ pci_enable_wake(pdev, PCI_D3hot, 0);
+ pci_enable_wake(pdev, PCI_D3cold, 0);
}
if (adapter->hw.mac_type >= e1000_82540 &&
@@ -4538,13 +4548,8 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state)
if (manc & E1000_MANC_SMBUS_EN) {
manc |= E1000_MANC_ARP_EN;
E1000_WRITE_REG(&adapter->hw, MANC, manc);
- retval = pci_enable_wake(pdev, PCI_D3hot, 1);
- if (retval)
- DPRINTK(PROBE, ERR, "Error enabling D3 wake\n");
- retval = pci_enable_wake(pdev, PCI_D3cold, 1);
- if (retval)
- DPRINTK(PROBE, ERR,
- "Error enabling D3 cold wake\n");
+ pci_enable_wake(pdev, PCI_D3hot, 1);
+ pci_enable_wake(pdev, PCI_D3cold, 1);
}
}
@@ -4554,9 +4559,7 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state)
pci_disable_device(pdev);
- retval = pci_set_power_state(pdev, pci_choose_state(pdev, state));
- if (retval)
- DPRINTK(PROBE, ERR, "Error in setting power state\n");
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
return 0;
}
@@ -4567,22 +4570,15 @@ e1000_resume(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
- int retval;
uint32_t manc, ret_val;
- retval = pci_set_power_state(pdev, PCI_D0);
- if (retval)
- DPRINTK(PROBE, ERR, "Error in setting power state\n");
+ pci_set_power_state(pdev, PCI_D0);
e1000_pci_restore_state(adapter);
ret_val = pci_enable_device(pdev);
pci_set_master(pdev);
- retval = pci_enable_wake(pdev, PCI_D3hot, 0);
- if (retval)
- DPRINTK(PROBE, ERR, "Error enabling D3 wake\n");
- retval = pci_enable_wake(pdev, PCI_D3cold, 0);
- if (retval)
- DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n");
+ pci_enable_wake(pdev, PCI_D3hot, 0);
+ pci_enable_wake(pdev, PCI_D3cold, 0);
e1000_reset(adapter);
E1000_WRITE_REG(&adapter->hw, WUS, ~0);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 09:08:42 +0000