Please do a
bk pull bk://gkernel.bkbits.net/net-drivers-2.4
This will update the following files:
drivers/net/e1000/e1000.h | 3
drivers/net/e1000/e1000_ethtool.c | 11 -
drivers/net/e1000/e1000_hw.c | 86 ++++++-------
drivers/net/e1000/e1000_hw.h | 12 +
drivers/net/e1000/e1000_main.c | 251 ++++++++++++++++++++++++++++++++++----
drivers/net/tulip/21142.c | 2
drivers/net/tulip/eeprom.c | 1
drivers/net/tulip/interrupt.c | 2
drivers/net/tulip/media.c | 1
drivers/net/tulip/pnic.c | 1
drivers/net/tulip/pnic2.c | 2
drivers/net/tulip/timer.c | 1
drivers/net/tulip/tulip.h | 15 ++
drivers/net/tulip/tulip_core.c | 2
14 files changed, 312 insertions(+), 78 deletions(-)
through these ChangeSets:
<mallikarjuna.chilakala:intel.com>:
o e1000: Driver version white space,
o e1000: Fixes related to Cable length
o e1000: Report failure code when loopback
o e1000: Checks for desc ring/rx data
o e1000: Patch from Peter Kjellstroem --
o e1000: Fix WOL settings in 82544 based
o e1000: Delay clean-up of last Tx buffer
o e1000: Avoid race between e1000_watchdog
o e1000: 2 use netif_poll_{enable|disable}
o e1000: 1 Robert Olsson's fix and
John W. Linville:
o tulip: make tulip_stop_rxtx() wait for DMA to fully stop
diff -Nru a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
--- a/drivers/net/e1000/e1000.h 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/e1000/e1000.h 2005-03-03 19:33:21 -05:00
@@ -140,6 +140,7 @@
#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */
#define AUTO_ALL_MODES 0
+#define E1000_EEPROM_82544_APM 0x0004
#define E1000_EEPROM_APME 0x0400
#ifndef E1000_MASTER_SLAVE
@@ -211,6 +212,7 @@
/* TX */
struct e1000_desc_ring tx_ring;
+ struct e1000_buffer previous_buffer_info;
spinlock_t tx_lock;
uint32_t txd_cmd;
uint32_t tx_int_delay;
@@ -224,6 +226,7 @@
uint32_t tx_fifo_size;
atomic_t tx_fifo_stall;
boolean_t pcix_82544;
+ boolean_t detect_tx_hung;
/* RX */
struct e1000_desc_ring rx_ring;
diff -Nru a/drivers/net/e1000/e1000_ethtool.c
b/drivers/net/e1000/e1000_ethtool.c
--- a/drivers/net/e1000/e1000_ethtool.c 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/e1000/e1000_ethtool.c 2005-03-03 19:33:21 -05:00
@@ -1309,7 +1309,7 @@
struct e1000_desc_ring *txdr = &adapter->test_tx_ring;
struct e1000_desc_ring *rxdr = &adapter->test_rx_ring;
struct pci_dev *pdev = adapter->pdev;
- int i;
+ int i, ret_val;
E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
@@ -1329,11 +1329,12 @@
rxdr->buffer_info[i].length,
PCI_DMA_FROMDEVICE);
- if (!e1000_check_lbtest_frame(rxdr->buffer_info[i++].skb, 1024))
- return 0;
- } while (i < 64);
+ ret_val = e1000_check_lbtest_frame(rxdr->buffer_info[i].skb,
+ 1024);
+ i++;
+ } while (ret_val != 0 && i < 64);
- return 13;
+ return ret_val;
}
static int
diff -Nru a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c
--- a/drivers/net/e1000/e1000_hw.c 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/e1000/e1000_hw.c 2005-03-03 19:33:21 -05:00
@@ -1573,7 +1573,8 @@
if(mii_status_reg & MII_SR_LINK_STATUS) break;
msec_delay(100);
}
- if((i == 0) && (hw->phy_type == e1000_phy_m88)) {
+ if((i == 0) &&
+ (hw->phy_type == e1000_phy_m88)) {
/* We didn't get link. Reset the DSP and wait again for link. */
ret_val = e1000_phy_reset_dsp(hw);
if(ret_val) {
@@ -2504,7 +2505,7 @@
}
}
- ret_val = e1000_read_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT & reg_addr,
+ ret_val = e1000_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
phy_data);
return ret_val;
@@ -2610,7 +2611,7 @@
}
}
- ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT & reg_addr,
+ ret_val = e1000_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
phy_data);
return ret_val;
@@ -2956,8 +2957,7 @@
/* Check polarity status */
ret_val = e1000_check_polarity(hw, &polarity);
if(ret_val)
- return ret_val;
-
+ return ret_val;
phy_info->cable_polarity = polarity;
ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
@@ -2967,9 +2967,9 @@
phy_info->mdix_mode = (phy_data & M88E1000_PSSR_MDIX) >>
M88E1000_PSSR_MDIX_SHIFT;
- if(phy_data & M88E1000_PSSR_1000MBS) {
- /* Cable Length Estimation and Local/Remote Receiver Informatoion
- * are only valid at 1000 Mbps
+ if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
+ /* Cable Length Estimation and Local/Remote Receiver Information
+ * are only valid at 1000 Mbps.
*/
phy_info->cable_length = ((phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
M88E1000_PSSR_CABLE_LENGTH_SHIFT);
@@ -4641,41 +4641,44 @@
{
uint32_t status;
- if(hw->mac_type < e1000_82543) {
+ switch (hw->mac_type) {
+ case e1000_82542_rev2_0:
+ case e1000_82542_rev2_1:
hw->bus_type = e1000_bus_type_unknown;
hw->bus_speed = e1000_bus_speed_unknown;
hw->bus_width = e1000_bus_width_unknown;
- return;
- }
-
- status = E1000_READ_REG(hw, STATUS);
- hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
- e1000_bus_type_pcix : e1000_bus_type_pci;
+ break;
+ default:
+ status = E1000_READ_REG(hw, STATUS);
+ hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
+ e1000_bus_type_pcix : e1000_bus_type_pci;
- if(hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
- hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
- e1000_bus_speed_66 : e1000_bus_speed_120;
- } else if(hw->bus_type == e1000_bus_type_pci) {
- hw->bus_speed = (status & E1000_STATUS_PCI66) ?
- e1000_bus_speed_66 : e1000_bus_speed_33;
- } else {
- switch (status & E1000_STATUS_PCIX_SPEED) {
- case E1000_STATUS_PCIX_SPEED_66:
- hw->bus_speed = e1000_bus_speed_66;
- break;
- case E1000_STATUS_PCIX_SPEED_100:
- hw->bus_speed = e1000_bus_speed_100;
- break;
- case E1000_STATUS_PCIX_SPEED_133:
- hw->bus_speed = e1000_bus_speed_133;
- break;
- default:
- hw->bus_speed = e1000_bus_speed_reserved;
- break;
+ if(hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
+ hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
+ e1000_bus_speed_66 : e1000_bus_speed_120;
+ } else if(hw->bus_type == e1000_bus_type_pci) {
+ hw->bus_speed = (status & E1000_STATUS_PCI66) ?
+ e1000_bus_speed_66 : e1000_bus_speed_33;
+ } else {
+ switch (status & E1000_STATUS_PCIX_SPEED) {
+ case E1000_STATUS_PCIX_SPEED_66:
+ hw->bus_speed = e1000_bus_speed_66;
+ break;
+ case E1000_STATUS_PCIX_SPEED_100:
+ hw->bus_speed = e1000_bus_speed_100;
+ break;
+ case E1000_STATUS_PCIX_SPEED_133:
+ hw->bus_speed = e1000_bus_speed_133;
+ break;
+ default:
+ hw->bus_speed = e1000_bus_speed_reserved;
+ break;
+ }
}
+ hw->bus_width = (status & E1000_STATUS_BUS64) ?
+ e1000_bus_width_64 : e1000_bus_width_32;
+ break;
}
- hw->bus_width = (status & E1000_STATUS_BUS64) ?
- e1000_bus_width_64 : e1000_bus_width_32;
}
/******************************************************************************
* Reads a value from one of the devices registers using port I/O (as opposed
@@ -4740,6 +4743,7 @@
uint16_t agc_value = 0;
uint16_t cur_agc, min_agc = IGP01E1000_AGC_LENGTH_TABLE_SIZE;
uint16_t i, phy_data;
+ uint16_t cable_length;
DEBUGFUNC("e1000_get_cable_length");
@@ -4751,10 +4755,11 @@
&phy_data);
if(ret_val)
return ret_val;
+ cable_length = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
+ M88E1000_PSSR_CABLE_LENGTH_SHIFT;
/* Convert the enum value to ranged values */
- switch((phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
- M88E1000_PSSR_CABLE_LENGTH_SHIFT) {
+ switch (cable_length) {
case e1000_cable_length_50:
*min_length = 0;
*max_length = e1000_igp_cable_length_50;
@@ -4921,8 +4926,7 @@
return ret_val;
hw->speed_downgraded = (phy_data & IGP01E1000_PLHR_SS_DOWNGRADE) ? 1 :
0;
- }
- else if(hw->phy_type == e1000_phy_m88) {
+ } else if(hw->phy_type == e1000_phy_m88) {
ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
&phy_data);
if(ret_val)
diff -Nru a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h
--- a/drivers/net/e1000/e1000_hw.h 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/e1000/e1000_hw.h 2005-03-03 19:33:21 -05:00
@@ -36,7 +36,6 @@
#include "e1000_osdep.h"
-
/* Forward declarations of structures used by the shared code */
struct e1000_hw;
struct e1000_hw_stats;
@@ -370,6 +369,7 @@
#define E1000_DEV_ID_82546GB_SERDES 0x107B
#define E1000_DEV_ID_82546GB_PCIE 0x108A
#define E1000_DEV_ID_82547EI 0x1019
+
#define NODE_ADDRESS_SIZE 6
#define ETH_LENGTH_OF_ADDRESS 6
@@ -1735,6 +1735,9 @@
#define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */
#define PHY_EXT_STATUS 0x0F /* Extended Status Reg */
+#define MAX_PHY_REG_ADDRESS 0x1F /* 5 bit address bus (0-0x1F) */
+#define MAX_PHY_MULTI_PAGE_REG 0xF /* Registers equal on all pages */
+
/* M88E1000 Specific Registers */
#define M88E1000_PHY_SPEC_CTRL 0x10 /* PHY Specific Control Register */
#define M88E1000_PHY_SPEC_STATUS 0x11 /* PHY Specific Status Register */
@@ -1795,8 +1798,7 @@
#define IGP01E1000_ANALOG_REGS_PAGE 0x20C0
-#define MAX_PHY_REG_ADDRESS 0x1F /* 5 bit address bus (0-0x1F) */
-#define MAX_PHY_MULTI_PAGE_REG 0xF /*Registers that are equal on all
pages*/
+
/* PHY Control Register */
#define MII_CR_SPEED_SELECT_MSB 0x0040 /* bits 6,13: 10=1000, 01=100, 00=10 */
#define MII_CR_COLL_TEST_ENABLE 0x0080 /* Collision test enable */
@@ -2099,7 +2101,11 @@
#define IGP01E1000_ANALOG_FUSE_FINE_1 0x0080
#define IGP01E1000_ANALOG_FUSE_FINE_10 0x0500
+
/* Bit definitions for valid PHY IDs. */
+/* I = Integrated
+ * E = External
+ */
#define M88E1000_E_PHY_ID 0x01410C50
#define M88E1000_I_PHY_ID 0x01410C30
#define M88E1011_I_PHY_ID 0x01410C20
diff -Nru a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
--- a/drivers/net/e1000/e1000_main.c 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/e1000/e1000_main.c 2005-03-03 19:33:21 -05:00
@@ -34,6 +34,14 @@
* - if_mii support and associated kcompat for older kernels
* - More errlogging support from Jon Mason <jonmason@xxxxxxxxxx>
* - Fix TSO issues on PPC64 machines -- Jon Mason <jonmason@xxxxxxxxxx>
+ * 5.7.1 12/16/04
+ * - Resurrect 82547EI/GI related fix in e1000_intr to avoid deadlocks. This
+ * fix was removed as it caused system instability. The suspected cause of
+ * this is the called to e1000_irq_disable in e1000_intr. Inlined the
+ * required piece of e1000_irq_disable into e1000_intr.
+ * 5.7.0 12/10/04
+ * - include fix to the condition that determines when to quit NAPI - Robert
Olsson
+ * - use netif_poll_{disable/enable} to synchronize between NAPI and i/f
up/down
* 5.6.5 11/01/04
* - Enabling NETIF_F_SG without checksum offload is illegal -
John Mason <jdmason@xxxxxxxxxx>
@@ -41,8 +49,13 @@
* - Remove redundant initialization - Jamal Hadi
* - Reset buffer_info->dma in tx resource cleanup logic
* 5.6.2 10/12/04
+ * - Avoid filling tx_ring completely - shemminger@xxxxxxxx
+ * - Replace schedule_timeout() with msleep()/msleep_interruptible() -
+ * nacc@xxxxxxxxxx
* - Sparse cleanup - shemminger@xxxxxxxx
* - Fix tx resource cleanup logic
+ * - LLTX support - ak@xxxxxxx and hadi@xxxxxxxxxx
+ * - {set, get}_wol is now symmetric for 82545EM adapters
*/
char e1000_driver_name[] = "e1000";
@@ -52,7 +65,7 @@
#else
#define DRIVERNAPI "-NAPI"
#endif
-char e1000_driver_version[] = "5.6.10.1-k1"DRIVERNAPI;
+char e1000_driver_version[] = "5.7.6-k1"DRIVERNAPI;
char e1000_copyright[] = "Copyright (c) 1999-2004 Intel Corporation.";
/* e1000_pci_tbl - PCI Device ID Table
@@ -76,6 +89,7 @@
INTEL_E1000_ETHERNET_DEVICE(0x1011),
INTEL_E1000_ETHERNET_DEVICE(0x1012),
INTEL_E1000_ETHERNET_DEVICE(0x1013),
+ INTEL_E1000_ETHERNET_DEVICE(0x1014),
INTEL_E1000_ETHERNET_DEVICE(0x1015),
INTEL_E1000_ETHERNET_DEVICE(0x1016),
INTEL_E1000_ETHERNET_DEVICE(0x1017),
@@ -303,6 +317,9 @@
mod_timer(&adapter->watchdog_timer, jiffies);
e1000_irq_enable(adapter);
+#ifdef CONFIG_E1000_NAPI
+ netif_poll_enable(netdev);
+#endif
return 0;
}
@@ -316,6 +333,10 @@
del_timer_sync(&adapter->tx_fifo_stall_timer);
del_timer_sync(&adapter->watchdog_timer);
del_timer_sync(&adapter->phy_info_timer);
+
+#ifdef CONFIG_E1000_NAPI
+ netif_poll_disable(netdev);
+#endif
adapter->link_speed = 0;
adapter->link_duplex = 0;
netif_carrier_off(netdev);
@@ -409,6 +430,7 @@
int i;
int err;
uint16_t eeprom_data;
+ uint16_t eeprom_apme_mask = E1000_EEPROM_APME;
if((err = pci_enable_device(pdev)))
return err;
@@ -505,9 +527,6 @@
}
#ifdef NETIF_F_TSO
- /* Disbaled for now until root-cause is found for
- * hangs reported against non-IA archs. TSO can be
- * enabled using ethtool -K eth<x> tso on */
if((adapter->hw.mac_type >= e1000_82544) &&
(adapter->hw.mac_type != e1000_82547))
netdev->features |= NETIF_F_TSO;
@@ -576,6 +595,11 @@
case e1000_82542_rev2_1:
case e1000_82543:
break;
+ case e1000_82544:
+ e1000_read_eeprom(&adapter->hw,
+ EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
+ eeprom_apme_mask = E1000_EEPROM_82544_APM;
+ break;
case e1000_82546:
case e1000_82546_rev_3:
if((E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1)
@@ -590,7 +614,7 @@
EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
break;
}
- if(eeprom_data & E1000_EEPROM_APME)
+ if(eeprom_data & eeprom_apme_mask)
adapter->wol |= E1000_WUFC_MAG;
/* reset the hardware with the new settings */
@@ -797,6 +821,31 @@
}
/**
+ * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
+ * @adapter: address of board private structure
+ * @begin: address of beginning of memory
+ * @end: address of end of memory
+ **/
+static inline boolean_t
+e1000_check_64k_bound(struct e1000_adapter *adapter,
+ void *start, unsigned long len)
+{
+ unsigned long begin = (unsigned long) start;
+ unsigned long end = begin + len;
+
+ /* first rev 82545 and 82546 need to not allow any memory
+ * write location to cross a 64k boundary due to errata 23 */
+ if (adapter->hw.mac_type == e1000_82545 ||
+ adapter->hw.mac_type == e1000_82546 ) {
+
+ /* check buffer doesn't cross 64kB */
+ return ((begin ^ (end - 1)) >> 16) != 0 ? FALSE : TRUE;
+ }
+
+ return TRUE;
+}
+
+/**
* e1000_setup_tx_resources - allocate Tx resources (Descriptors)
* @adapter: board private structure
*
@@ -826,11 +875,42 @@
txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
if(!txdr->desc) {
+setup_tx_desc_die:
DPRINTK(PROBE, ERR,
"Unable to Allocate Memory for the Transmit descriptor ring\n");
vfree(txdr->buffer_info);
return -ENOMEM;
}
+
+ /* fix for errata 23, cant cross 64kB boundary */
+ if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
+ void *olddesc = txdr->desc;
+ dma_addr_t olddma = txdr->dma;
+ DPRINTK(TX_ERR,ERR,"txdr align check failed: %u bytes at %p\n",
+ txdr->size, txdr->desc);
+ /* try again, without freeing the previous */
+ txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
+ /* failed allocation, critial failure */
+ if(!txdr->desc) {
+ pci_free_consistent(pdev, txdr->size, olddesc, olddma);
+ goto setup_tx_desc_die;
+ }
+
+ if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
+ /* give up */
+ pci_free_consistent(pdev, txdr->size,
+ txdr->desc, txdr->dma);
+ pci_free_consistent(pdev, txdr->size, olddesc, olddma);
+ DPRINTK(PROBE, ERR,
+ "Unable to Allocate aligned Memory for the Transmit"
+ " descriptor ring\n");
+ vfree(txdr->buffer_info);
+ return -ENOMEM;
+ } else {
+ /* free old, move on with the new one since its okay */
+ pci_free_consistent(pdev, txdr->size, olddesc, olddma);
+ }
+ }
memset(txdr->desc, 0, txdr->size);
txdr->next_to_use = 0;
@@ -948,11 +1028,43 @@
rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
if(!rxdr->desc) {
+setup_rx_desc_die:
DPRINTK(PROBE, ERR,
- "Unable to Allocate Memory for the Recieve descriptor ring\n");
+ "Unble to Allocate Memory for the Recieve descriptor ring\n");
vfree(rxdr->buffer_info);
return -ENOMEM;
}
+
+ /* fix for errata 23, cant cross 64kB boundary */
+ if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
+ void *olddesc = rxdr->desc;
+ dma_addr_t olddma = rxdr->dma;
+ DPRINTK(RX_ERR,ERR,
+ "rxdr align check failed: %u bytes at %p\n",
+ rxdr->size, rxdr->desc);
+ /* try again, without freeing the previous */
+ rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
+ /* failed allocation, critial failure */
+ if(!rxdr->desc) {
+ pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
+ goto setup_rx_desc_die;
+ }
+
+ if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
+ /* give up */
+ pci_free_consistent(pdev, rxdr->size,
+ rxdr->desc, rxdr->dma);
+ pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
+ DPRINTK(PROBE, ERR,
+ "Unable to Allocate aligned Memory for the"
+ " Receive descriptor ring\n");
+ vfree(rxdr->buffer_info);
+ return -ENOMEM;
+ } else {
+ /* free old, move on with the new one since its okay */
+ pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
+ }
+ }
memset(rxdr->desc, 0, rxdr->size);
rxdr->next_to_clean = 0;
@@ -1086,6 +1198,7 @@
struct e1000_buffer *buffer_info)
{
struct pci_dev *pdev = adapter->pdev;
+
if(buffer_info->dma) {
pci_unmap_page(pdev,
buffer_info->dma,
@@ -1114,6 +1227,11 @@
/* Free all the Tx ring sk_buffs */
+ if (likely(adapter->previous_buffer_info.skb != NULL)) {
+ e1000_unmap_and_free_tx_resource(adapter,
+ &adapter->previous_buffer_info);
+ }
+
for(i = 0; i < tx_ring->count; i++) {
buffer_info = &tx_ring->buffer_info[i];
e1000_unmap_and_free_tx_resource(adapter, buffer_info);
@@ -1415,7 +1533,6 @@
struct e1000_adapter *adapter = (struct e1000_adapter *) data;
struct net_device *netdev = adapter->netdev;
struct e1000_desc_ring *txdr = &adapter->tx_ring;
- unsigned int i;
uint32_t link;
e1000_check_for_link(&adapter->hw);
@@ -1495,12 +1612,8 @@
/* Cause software interrupt to ensure rx ring is cleaned */
E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_RXDMT0);
- /* Early detection of hung controller */
- i = txdr->next_to_clean;
- if(txdr->buffer_info[i].dma &&
- time_after(jiffies, txdr->buffer_info[i].time_stamp + HZ) &&
- !(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_TXOFF))
- netif_stop_queue(netdev);
+ /* Force detection of hung controller every watchdog period*/
+ adapter->detect_tx_hung = TRUE;
/* Reset the timer */
mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
@@ -2132,10 +2245,28 @@
__netif_rx_schedule(netdev);
}
#else
+ /* Writing IMC and IMS is needed for 82547.
+ Due to Hub Link bus being occupied, an interrupt
+ de-assertion message is not able to be sent.
+ When an interrupt assertion message is generated later,
+ two messages are re-ordered and sent out.
+ That causes APIC to think 82547 is in de-assertion
+ state, while 82547 is in assertion state, resulting
+ in dead lock. Writing IMC forces 82547 into
+ de-assertion state.
+ */
+ if(hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2){
+ atomic_inc(&adapter->irq_sem);
+ E1000_WRITE_REG(&adapter->hw, IMC, ~0);
+ }
+
for(i = 0; i < E1000_MAX_INTR; i++)
if(unlikely(!e1000_clean_rx_irq(adapter) &
!e1000_clean_tx_irq(adapter)))
break;
+
+ if(hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2)
+ e1000_irq_enable(adapter);
#endif
return IRQ_HANDLED;
@@ -2155,24 +2286,21 @@
int tx_cleaned;
int work_done = 0;
- if (!netif_carrier_ok(netdev))
- goto quit_polling;
-
tx_cleaned = e1000_clean_tx_irq(adapter);
e1000_clean_rx_irq(adapter, &work_done, work_to_do);
*budget -= work_done;
netdev->quota -= work_done;
- /* if no Rx and Tx cleanup work was done, exit the polling mode */
- if(!tx_cleaned || (work_done < work_to_do) ||
+ /* if no Tx and not enough Rx work done, exit the polling mode */
+ if((!tx_cleaned && (work_done < work_to_do)) ||
!netif_running(netdev)) {
-quit_polling: netif_rx_complete(netdev);
+ netif_rx_complete(netdev);
e1000_irq_enable(adapter);
return 0;
}
- return (work_done >= work_to_do);
+ return 1;
}
#endif
@@ -2196,11 +2324,34 @@
eop_desc = E1000_TX_DESC(*tx_ring, eop);
while(eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
+ /* pre-mature writeback of Tx descriptors */
+ /* clear (free buffers and unmap pci_mapping) */
+ /* previous_buffer_info */
+ if (likely(adapter->previous_buffer_info.skb != NULL)) {
+ e1000_unmap_and_free_tx_resource(adapter,
+ &adapter->previous_buffer_info);
+ }
+
for(cleaned = FALSE; !cleaned; ) {
tx_desc = E1000_TX_DESC(*tx_ring, i);
buffer_info = &tx_ring->buffer_info[i];
+ cleaned = (i == eop);
+
+ /* pre-mature writeback of Tx descriptors */
+ /* save the cleaning of the this for the */
+ /* next iteration */
+ if (cleaned) {
+ memcpy(&adapter->previous_buffer_info,
+ buffer_info,
+ sizeof(struct e1000_buffer));
+ memset(buffer_info,
+ 0,
+ sizeof(struct e1000_buffer));
+ } else {
+ e1000_unmap_and_free_tx_resource(adapter,
+ buffer_info);
+ }
- e1000_unmap_and_free_tx_resource(adapter, buffer_info);
tx_desc->buffer_addr = 0;
tx_desc->lower.data = 0;
tx_desc->upper.data = 0;
@@ -2222,6 +2373,16 @@
netif_wake_queue(netdev);
spin_unlock(&adapter->tx_lock);
+
+ if(adapter->detect_tx_hung) {
+ /* detect a transmit hang in hardware, this serializes the
+ * check with the clearing of time_stamp and movement of i */
+ adapter->detect_tx_hung = FALSE;
+ if(tx_ring->buffer_info[i].dma &&
+ time_after(jiffies, tx_ring->buffer_info[i].time_stamp + HZ)
&&
+ !(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_TXOFF))
+ netif_stop_queue(netdev);
+ }
return cleaned;
}
@@ -2389,20 +2550,43 @@
struct e1000_buffer *buffer_info;
struct sk_buff *skb;
int reserve_len = 2;
- unsigned int i;
+ unsigned int i, bufsz;
i = rx_ring->next_to_use;
buffer_info = &rx_ring->buffer_info[i];
while(!buffer_info->skb) {
+ bufsz = adapter->rx_buffer_len + reserve_len;
- skb = dev_alloc_skb(adapter->rx_buffer_len + reserve_len);
-
+ skb = dev_alloc_skb(bufsz);
if(unlikely(!skb)) {
/* Better luck next round */
break;
}
+ /* fix for errata 23, cant cross 64kB boundary */
+ if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
+ struct sk_buff *oldskb = skb;
+ DPRINTK(RX_ERR,ERR,
+ "skb align check failed: %u bytes at %p\n",
+ bufsz, skb->data);
+ /* try again, without freeing the previous */
+ skb = dev_alloc_skb(bufsz);
+ if (!skb) {
+ dev_kfree_skb(oldskb);
+ break;
+ }
+ if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
+ /* give up */
+ dev_kfree_skb(skb);
+ dev_kfree_skb(oldskb);
+ break; /* while !buffer_info->skb */
+ } else {
+ /* move on with the new one */
+ dev_kfree_skb(oldskb);
+ }
+ }
+
/* Make buffer alignment 2 beyond a 16 byte boundary
* this will result in a 16 byte aligned IP header after
* the 14 byte MAC header is removed
@@ -2417,6 +2601,25 @@
skb->data,
adapter->rx_buffer_len,
PCI_DMA_FROMDEVICE);
+
+ /* fix for errata 23, cant cross 64kB boundary */
+ if(!e1000_check_64k_bound(adapter,
+ (void *)(unsigned
long)buffer_info->dma,
+ adapter->rx_buffer_len)) {
+ DPRINTK(RX_ERR,ERR,
+ "dma align check failed: %u bytes at %ld\n",
+ adapter->rx_buffer_len, (unsigned
long)buffer_info->dma);
+
+ dev_kfree_skb(skb);
+ buffer_info->skb = NULL;
+
+ pci_unmap_single(pdev,
+ buffer_info->dma,
+ adapter->rx_buffer_len,
+ PCI_DMA_FROMDEVICE);
+
+ break; /* while !buffer_info->skb */
+ }
rx_desc = E1000_RX_DESC(*rx_ring, i);
rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
diff -Nru a/drivers/net/tulip/21142.c b/drivers/net/tulip/21142.c
--- a/drivers/net/tulip/21142.c 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/tulip/21142.c 2005-03-03 19:33:21 -05:00
@@ -14,8 +14,8 @@
*/
-#include "tulip.h"
#include <linux/pci.h>
+#include "tulip.h"
#include <linux/delay.h>
diff -Nru a/drivers/net/tulip/eeprom.c b/drivers/net/tulip/eeprom.c
--- a/drivers/net/tulip/eeprom.c 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/tulip/eeprom.c 2005-03-03 19:33:21 -05:00
@@ -14,6 +14,7 @@
*/
+#include <linux/pci.h>
#include "tulip.h"
#include <linux/init.h>
#include <asm/unaligned.h>
diff -Nru a/drivers/net/tulip/interrupt.c b/drivers/net/tulip/interrupt.c
--- a/drivers/net/tulip/interrupt.c 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/tulip/interrupt.c 2005-03-03 19:33:21 -05:00
@@ -14,10 +14,10 @@
*/
+#include <linux/pci.h>
#include "tulip.h"
#include <linux/config.h>
#include <linux/etherdevice.h>
-#include <linux/pci.h>
int tulip_rx_copybreak;
diff -Nru a/drivers/net/tulip/media.c b/drivers/net/tulip/media.c
--- a/drivers/net/tulip/media.c 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/tulip/media.c 2005-03-03 19:33:21 -05:00
@@ -18,6 +18,7 @@
#include <linux/mii.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/pci.h>
#include "tulip.h"
diff -Nru a/drivers/net/tulip/pnic.c b/drivers/net/tulip/pnic.c
--- a/drivers/net/tulip/pnic.c 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/tulip/pnic.c 2005-03-03 19:33:21 -05:00
@@ -15,6 +15,7 @@
*/
#include <linux/kernel.h>
+#include <linux/pci.h>
#include "tulip.h"
diff -Nru a/drivers/net/tulip/pnic2.c b/drivers/net/tulip/pnic2.c
--- a/drivers/net/tulip/pnic2.c 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/tulip/pnic2.c 2005-03-03 19:33:21 -05:00
@@ -76,8 +76,8 @@
-#include "tulip.h"
#include <linux/pci.h>
+#include "tulip.h"
#include <linux/delay.h>
diff -Nru a/drivers/net/tulip/timer.c b/drivers/net/tulip/timer.c
--- a/drivers/net/tulip/timer.c 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/tulip/timer.c 2005-03-03 19:33:21 -05:00
@@ -14,6 +14,7 @@
*/
+#include <linux/pci.h>
#include "tulip.h"
diff -Nru a/drivers/net/tulip/tulip.h b/drivers/net/tulip/tulip.h
--- a/drivers/net/tulip/tulip.h 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/tulip/tulip.h 2005-03-03 19:33:21 -05:00
@@ -146,6 +146,9 @@
TxIntr = 0x01,
};
+/* bit mask for CSR5 TX/RX process state */
+#define CSR5_TS 0x00700000
+#define CSR5_RS 0x000e0000
enum tulip_mode_bits {
TxThreshold = (1 << 22),
@@ -484,9 +487,19 @@
u32 csr6 = inl(ioaddr + CSR6);
if (csr6 & RxTx) {
+ unsigned i=1300/10;
outl(csr6 & ~RxTx, ioaddr + CSR6);
barrier();
- (void) inl(ioaddr + CSR6); /* mmio sync */
+ /* wait until in-flight frame completes.
+ * Max time @ 10BT: 1500*8b/10Mbps == 1200us (+ 100us margin)
+ * Typically expect this loop to end in < 50us on 100BT.
+ */
+ while (--i && (inl(ioaddr + CSR5) & (CSR5_TS|CSR5_RS)))
+ udelay(10);
+
+ if (!i)
+ printk (KERN_DEBUG "%s: tulip_stop_rxtx() failed\n",
+ tp->pdev->slot_name);
}
}
diff -Nru a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
--- a/drivers/net/tulip/tulip_core.c 2005-03-03 19:33:21 -05:00
+++ b/drivers/net/tulip/tulip_core.c 2005-03-03 19:33:21 -05:00
@@ -20,8 +20,8 @@
#include <linux/config.h>
#include <linux/module.h>
-#include "tulip.h"
#include <linux/pci.h>
+#include "tulip.h"
#include <linux/init.h>
#include <linux/etherdevice.h>
#include <linux/delay.h>
|