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authorJeff Garzik <jeff@garzik.org>2006-06-22 22:11:56 -0400
committerJeff Garzik <jeff@garzik.org>2006-06-22 22:11:56 -0400
commit71d530cd1b6d97094481002a04c77fea1c8e1c22 (patch)
treee786da7145d83c19a594adf76ed90d52c51058b1 /drivers/net/ixgb
parentd7a80dad2fe19a2b8c119c8e9cba605474a75a2b (diff)
parentd588fcbe5a7ba8bba2cebf7799ab2d573717a806 (diff)
Merge branch 'master' into upstream
Conflicts: drivers/scsi/libata-core.c drivers/scsi/libata-scsi.c include/linux/pci_ids.h
Diffstat (limited to 'drivers/net/ixgb')
-rw-r--r--drivers/net/ixgb/Makefile2
-rw-r--r--drivers/net/ixgb/ixgb.h12
-rw-r--r--drivers/net/ixgb/ixgb_ee.c2
-rw-r--r--drivers/net/ixgb/ixgb_ee.h2
-rw-r--r--drivers/net/ixgb/ixgb_ethtool.c57
-rw-r--r--drivers/net/ixgb/ixgb_hw.c2
-rw-r--r--drivers/net/ixgb/ixgb_hw.h3
-rw-r--r--drivers/net/ixgb/ixgb_ids.h6
-rw-r--r--drivers/net/ixgb/ixgb_main.c304
-rw-r--r--drivers/net/ixgb/ixgb_osdep.h2
-rw-r--r--drivers/net/ixgb/ixgb_param.c26
11 files changed, 253 insertions, 165 deletions
diff --git a/drivers/net/ixgb/Makefile b/drivers/net/ixgb/Makefile
index 7c7aff1ea7d..a8a2d3d0356 100644
--- a/drivers/net/ixgb/Makefile
+++ b/drivers/net/ixgb/Makefile
@@ -1,7 +1,7 @@
################################################################################
#
#
-# Copyright(c) 1999 - 2002 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
diff --git a/drivers/net/ixgb/ixgb.h b/drivers/net/ixgb/ixgb.h
index c83271b3862..a83ef28dadb 100644
--- a/drivers/net/ixgb/ixgb.h
+++ b/drivers/net/ixgb/ixgb.h
@@ -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
@@ -84,7 +84,12 @@ struct ixgb_adapter;
#define IXGB_DBG(args...)
#endif
-#define IXGB_ERR(args...) printk(KERN_ERR "ixgb: " args)
+#define PFX "ixgb: "
+#define DPRINTK(nlevel, klevel, fmt, args...) \
+ (void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
+ printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
+ __FUNCTION__ , ## args))
+
/* TX/RX descriptor defines */
#define DEFAULT_TXD 256
@@ -175,6 +180,7 @@ struct ixgb_adapter {
uint64_t hw_csum_tx_good;
uint64_t hw_csum_tx_error;
uint32_t tx_int_delay;
+ uint32_t tx_timeout_count;
boolean_t tx_int_delay_enable;
boolean_t detect_tx_hung;
@@ -192,7 +198,9 @@ struct ixgb_adapter {
/* structs defined in ixgb_hw.h */
struct ixgb_hw hw;
+ u16 msg_enable;
struct ixgb_hw_stats stats;
+ uint32_t alloc_rx_buff_failed;
#ifdef CONFIG_PCI_MSI
boolean_t have_msi;
#endif
diff --git a/drivers/net/ixgb/ixgb_ee.c b/drivers/net/ixgb/ixgb_ee.c
index 661a46b95a6..8357c5590bf 100644
--- a/drivers/net/ixgb/ixgb_ee.c
+++ b/drivers/net/ixgb/ixgb_ee.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
diff --git a/drivers/net/ixgb/ixgb_ee.h b/drivers/net/ixgb/ixgb_ee.h
index 5190aa8761a..bf6fa220f38 100644
--- a/drivers/net/ixgb/ixgb_ee.h
+++ b/drivers/net/ixgb/ixgb_ee.h
@@ -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
diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c
index d38ade5f2f4..cf19b898ba9 100644
--- a/drivers/net/ixgb/ixgb_ethtool.c
+++ b/drivers/net/ixgb/ixgb_ethtool.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
@@ -44,6 +44,8 @@ extern void ixgb_free_rx_resources(struct ixgb_adapter *adapter);
extern void ixgb_free_tx_resources(struct ixgb_adapter *adapter);
extern void ixgb_update_stats(struct ixgb_adapter *adapter);
+#define IXGB_ALL_RAR_ENTRIES 16
+
struct ixgb_stats {
char stat_string[ETH_GSTRING_LEN];
int sizeof_stat;
@@ -76,6 +78,7 @@ static struct ixgb_stats ixgb_gstrings_stats[] = {
{"tx_heartbeat_errors", IXGB_STAT(net_stats.tx_heartbeat_errors)},
{"tx_window_errors", IXGB_STAT(net_stats.tx_window_errors)},
{"tx_deferred_ok", IXGB_STAT(stats.dc)},
+ {"tx_timeout_count", IXGB_STAT(tx_timeout_count) },
{"rx_long_length_errors", IXGB_STAT(stats.roc)},
{"rx_short_length_errors", IXGB_STAT(stats.ruc)},
#ifdef NETIF_F_TSO
@@ -117,6 +120,16 @@ ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
return 0;
}
+static void ixgb_set_speed_duplex(struct net_device *netdev)
+{
+ struct ixgb_adapter *adapter = netdev_priv(netdev);
+ /* be optimistic about our link, since we were up before */
+ adapter->link_speed = 10000;
+ adapter->link_duplex = FULL_DUPLEX;
+ netif_carrier_on(netdev);
+ netif_wake_queue(netdev);
+}
+
static int
ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
@@ -130,12 +143,7 @@ ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
ixgb_down(adapter, TRUE);
ixgb_reset(adapter);
ixgb_up(adapter);
- /* be optimistic about our link, since we were up before */
- adapter->link_speed = 10000;
- adapter->link_duplex = FULL_DUPLEX;
- netif_carrier_on(netdev);
- netif_wake_queue(netdev);
-
+ ixgb_set_speed_duplex(netdev);
} else
ixgb_reset(adapter);
@@ -183,11 +191,7 @@ ixgb_set_pauseparam(struct net_device *netdev,
if(netif_running(adapter->netdev)) {
ixgb_down(adapter, TRUE);
ixgb_up(adapter);
- /* be optimistic about our link, since we were up before */
- adapter->link_speed = 10000;
- adapter->link_duplex = FULL_DUPLEX;
- netif_carrier_on(netdev);
- netif_wake_queue(netdev);
+ ixgb_set_speed_duplex(netdev);
} else
ixgb_reset(adapter);
@@ -212,11 +216,7 @@ ixgb_set_rx_csum(struct net_device *netdev, uint32_t data)
if(netif_running(netdev)) {
ixgb_down(adapter,TRUE);
ixgb_up(adapter);
- /* be optimistic about our link, since we were up before */
- adapter->link_speed = 10000;
- adapter->link_duplex = FULL_DUPLEX;
- netif_carrier_on(netdev);
- netif_wake_queue(netdev);
+ ixgb_set_speed_duplex(netdev);
} else
ixgb_reset(adapter);
return 0;
@@ -251,6 +251,19 @@ ixgb_set_tso(struct net_device *netdev, uint32_t data)
}
#endif /* NETIF_F_TSO */
+static uint32_t
+ixgb_get_msglevel(struct net_device *netdev)
+{
+ struct ixgb_adapter *adapter = netdev_priv(netdev);
+ return adapter->msg_enable;
+}
+
+static void
+ixgb_set_msglevel(struct net_device *netdev, uint32_t data)
+{
+ struct ixgb_adapter *adapter = netdev_priv(netdev);
+ adapter->msg_enable = data;
+}
#define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
static int
@@ -303,7 +316,7 @@ ixgb_get_regs(struct net_device *netdev,
*reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */
/* there are 16 RAR entries in hardware, we only use 3 */
- for(i = 0; i < 16; i++) {
+ for(i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
*reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
*reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
}
@@ -593,11 +606,7 @@ ixgb_set_ringparam(struct net_device *netdev,
adapter->tx_ring = tx_new;
if((err = ixgb_up(adapter)))
return err;
- /* be optimistic about our link, since we were up before */
- adapter->link_speed = 10000;
- adapter->link_duplex = FULL_DUPLEX;
- netif_carrier_on(netdev);
- netif_wake_queue(netdev);
+ ixgb_set_speed_duplex(netdev);
}
return 0;
@@ -714,6 +723,8 @@ static struct ethtool_ops ixgb_ethtool_ops = {
.set_tx_csum = ixgb_set_tx_csum,
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
+ .get_msglevel = ixgb_get_msglevel,
+ .set_msglevel = ixgb_set_msglevel,
#ifdef NETIF_F_TSO
.get_tso = ethtool_op_get_tso,
.set_tso = ixgb_set_tso,
diff --git a/drivers/net/ixgb/ixgb_hw.c b/drivers/net/ixgb/ixgb_hw.c
index 620cad48bde..f7fa10e47fa 100644
--- a/drivers/net/ixgb/ixgb_hw.c
+++ b/drivers/net/ixgb/ixgb_hw.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
diff --git a/drivers/net/ixgb/ixgb_hw.h b/drivers/net/ixgb/ixgb_hw.h
index 382c6300ccc..cb4568915ad 100644
--- a/drivers/net/ixgb/ixgb_hw.h
+++ b/drivers/net/ixgb/ixgb_hw.h
@@ -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
@@ -57,6 +57,7 @@ typedef enum {
typedef enum {
ixgb_media_type_unknown = 0,
ixgb_media_type_fiber = 1,
+ ixgb_media_type_copper = 2,
ixgb_num_media_types
} ixgb_media_type;
diff --git a/drivers/net/ixgb/ixgb_ids.h b/drivers/net/ixgb/ixgb_ids.h
index aee207eaa28..40a085f94c7 100644
--- a/drivers/net/ixgb/ixgb_ids.h
+++ b/drivers/net/ixgb/ixgb_ids.h
@@ -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
@@ -43,6 +43,8 @@
#define IXGB_SUBDEVICE_ID_A11F 0xA11F
#define IXGB_SUBDEVICE_ID_A01F 0xA01F
-#endif /* #ifndef _IXGB_IDS_H_ */
+#define IXGB_DEVICE_ID_82597EX_CX4 0x109E
+#define IXGB_SUBDEVICE_ID_A00C 0xA00C
+#endif /* #ifndef _IXGB_IDS_H_ */
/* End of File */
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index cfd67d812f0..57006fb8840 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_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
@@ -28,22 +28,6 @@
#include "ixgb.h"
-/* Change Log
- * 1.0.96 04/19/05
- * - Make needlessly global code static -- bunk@stusta.de
- * - ethtool cleanup -- shemminger@osdl.org
- * - Support for MODULE_VERSION -- linville@tuxdriver.com
- * - add skb_header_cloned check to the tso path -- herbert@apana.org.au
- * 1.0.88 01/05/05
- * - 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
- * 1.0.84 10/26/04
- * - reset buffer_info->dma in Tx resource cleanup logic
- * 1.0.83 10/12/04
- * - sparse cleanup - shemminger@osdl.org
- * - fix tx resource cleanup logic
- */
-
char ixgb_driver_name[] = "ixgb";
static char ixgb_driver_string[] = "Intel(R) PRO/10GbE Network Driver";
@@ -52,9 +36,9 @@ static char ixgb_driver_string[] = "Intel(R) PRO/10GbE Network Driver";
#else
#define DRIVERNAPI "-NAPI"
#endif
-#define DRV_VERSION "1.0.100-k2"DRIVERNAPI
+#define DRV_VERSION "1.0.109-k2"DRIVERNAPI
char ixgb_driver_version[] = DRV_VERSION;
-static char ixgb_copyright[] = "Copyright (c) 1999-2005 Intel Corporation.";
+static char ixgb_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
/* ixgb_pci_tbl - PCI Device ID Table
*
@@ -67,6 +51,8 @@ static char ixgb_copyright[] = "Copyright (c) 1999-2005 Intel Corporation.";
static struct pci_device_id ixgb_pci_tbl[] = {
{INTEL_VENDOR_ID, IXGB_DEVICE_ID_82597EX,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {INTEL_VENDOR_ID, IXGB_DEVICE_ID_82597EX_CX4,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{INTEL_VENDOR_ID, IXGB_DEVICE_ID_82597EX_SR,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{INTEL_VENDOR_ID, IXGB_DEVICE_ID_82597EX_LR,
@@ -148,6 +134,11 @@ MODULE_DESCRIPTION("Intel(R) PRO/10GbE Network Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
+#define DEFAULT_DEBUG_LEVEL_SHIFT 3
+static int debug = DEFAULT_DEBUG_LEVEL_SHIFT;
+module_param(debug, int, 0);
+MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
+
/* some defines for controlling descriptor fetches in h/w */
#define RXDCTL_WTHRESH_DEFAULT 16 /* chip writes back at this many or RXT0 */
#define RXDCTL_PTHRESH_DEFAULT 0 /* chip considers prefech below
@@ -196,7 +187,7 @@ module_exit(ixgb_exit_module);
* @adapter: board private structure
**/
-static inline void
+static void
ixgb_irq_disable(struct ixgb_adapter *adapter)
{
atomic_inc(&adapter->irq_sem);
@@ -210,7 +201,7 @@ ixgb_irq_disable(struct ixgb_adapter *adapter)
* @adapter: board private structure
**/
-static inline void
+static void
ixgb_irq_enable(struct ixgb_adapter *adapter)
{
if(atomic_dec_and_test(&adapter->irq_sem)) {
@@ -231,6 +222,7 @@ ixgb_up(struct ixgb_adapter *adapter)
/* hardware has been reset, we need to reload some things */
+ ixgb_rar_set(hw, netdev->dev_addr, 0);
ixgb_set_multi(netdev);
ixgb_restore_vlan(adapter);
@@ -240,6 +232,9 @@ ixgb_up(struct ixgb_adapter *adapter)
ixgb_configure_rx(adapter);
ixgb_alloc_rx_buffers(adapter);
+ /* disable interrupts and get the hardware into a known state */
+ IXGB_WRITE_REG(&adapter->hw, IMC, 0xffffffff);
+
#ifdef CONFIG_PCI_MSI
{
boolean_t pcix = (IXGB_READ_REG(&adapter->hw, STATUS) &
@@ -249,7 +244,7 @@ ixgb_up(struct ixgb_adapter *adapter)
if (!pcix)
adapter->have_msi = FALSE;
else if((err = pci_enable_msi(adapter->pdev))) {
- printk (KERN_ERR
+ DPRINTK(PROBE, ERR,
"Unable to allocate MSI interrupt Error: %d\n", err);
adapter->have_msi = FALSE;
/* proceed to try to request regular interrupt */
@@ -259,11 +254,11 @@ ixgb_up(struct ixgb_adapter *adapter)
#endif
if((err = request_irq(adapter->pdev->irq, &ixgb_intr,
SA_SHIRQ | SA_SAMPLE_RANDOM,
- netdev->name, netdev)))
+ netdev->name, netdev))) {
+ DPRINTK(PROBE, ERR,
+ "Unable to allocate interrupt Error: %d\n", err);
return err;
-
- /* disable interrupts and get the hardware into a known state */
- IXGB_WRITE_REG(&adapter->hw, IMC, 0xffffffff);
+ }
if((hw->max_frame_size != max_frame) ||
(hw->max_frame_size !=
@@ -285,11 +280,12 @@ ixgb_up(struct ixgb_adapter *adapter)
}
mod_timer(&adapter->watchdog_timer, jiffies);
- ixgb_irq_enable(adapter);
#ifdef CONFIG_IXGB_NAPI
netif_poll_enable(netdev);
#endif
+ ixgb_irq_enable(adapter);
+
return 0;
}
@@ -326,7 +322,7 @@ ixgb_reset(struct ixgb_adapter *adapter)
ixgb_adapter_stop(&adapter->hw);
if(!ixgb_init_hw(&adapter->hw))
- IXGB_DBG("ixgb_init_hw failed.\n");
+ DPRINTK(PROBE, ERR, "ixgb_init_hw failed.\n");
}
/**
@@ -363,7 +359,8 @@ ixgb_probe(struct pci_dev *pdev,
} else {
if((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) ||
(err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) {
- IXGB_ERR("No usable DMA configuration, aborting\n");
+ printk(KERN_ERR
+ "ixgb: No usable DMA configuration, aborting\n");
goto err_dma_mask;
}
pci_using_dac = 0;
@@ -388,6 +385,7 @@ ixgb_probe(struct pci_dev *pdev,
adapter->netdev = netdev;
adapter->pdev = pdev;
adapter->hw.back = adapter;
+ adapter->msg_enable = netif_msg_init(debug, DEFAULT_DEBUG_LEVEL_SHIFT);
mmio_start = pci_resource_start(pdev, BAR_0);
mmio_len = pci_resource_len(pdev, BAR_0);
@@ -416,7 +414,7 @@ ixgb_probe(struct pci_dev *pdev,
netdev->change_mtu = &ixgb_change_mtu;
ixgb_set_ethtool_ops(netdev);
netdev->tx_timeout = &ixgb_tx_timeout;
- netdev->watchdog_timeo = HZ;
+ netdev->watchdog_timeo = 5 * HZ;
#ifdef CONFIG_IXGB_NAPI
netdev->poll = &ixgb_clean;
netdev->weight = 64;
@@ -428,6 +426,7 @@ ixgb_probe(struct pci_dev *pdev,
netdev->poll_controller = ixgb_netpoll;
#endif
+ strcpy(netdev->name, pci_name(pdev));
netdev->mem_start = mmio_start;
netdev->mem_end = mmio_start + mmio_len;
netdev->base_addr = adapter->hw.io_base;
@@ -449,6 +448,9 @@ ixgb_probe(struct pci_dev *pdev,
#ifdef NETIF_F_TSO
netdev->features |= NETIF_F_TSO;
#endif
+#ifdef NETIF_F_LLTX
+ netdev->features |= NETIF_F_LLTX;
+#endif
if(pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
@@ -456,7 +458,7 @@ ixgb_probe(struct pci_dev *pdev,
/* make sure the EEPROM is good */
if(!ixgb_validate_eeprom_checksum(&adapter->hw)) {
- printk(KERN_ERR "The EEPROM Checksum Is Not Valid\n");
+ DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
err = -EIO;
goto err_eeprom;
}
@@ -465,6 +467,7 @@ ixgb_probe(struct pci_dev *pdev,
memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
if(!is_valid_ether_addr(netdev->perm_addr)) {
+ DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
err = -EIO;
goto err_eeprom;
}
@@ -478,6 +481,7 @@ ixgb_probe(struct pci_dev *pdev,
INIT_WORK(&adapter->tx_timeout_task,
(void (*)(void *))ixgb_tx_timeout_task, netdev);
+ strcpy(netdev->name, "eth%d");
if((err = register_netdev(netdev)))
goto err_register;
@@ -486,8 +490,7 @@ ixgb_probe(struct pci_dev *pdev,
netif_carrier_off(netdev);
netif_stop_queue(netdev);
- printk(KERN_INFO "%s: Intel(R) PRO/10GbE Network Connection\n",
- netdev->name);
+ DPRINTK(PROBE, INFO, "Intel(R) PRO/10GbE Network Connection\n");
ixgb_check_options(adapter);
/* reset the hardware with the new settings */
@@ -557,17 +560,17 @@ ixgb_sw_init(struct ixgb_adapter *adapter)
hw->subsystem_vendor_id = pdev->subsystem_vendor;
hw->subsystem_id = pdev->subsystem_device;
- adapter->rx_buffer_len = IXGB_RXBUFFER_2048;
-
hw->max_frame_size = netdev->mtu + ENET_HEADER_SIZE + ENET_FCS_LENGTH;
+ adapter->rx_buffer_len = hw->max_frame_size;
if((hw->device_id == IXGB_DEVICE_ID_82597EX)
- ||(hw->device_id == IXGB_DEVICE_ID_82597EX_LR)
- ||(hw->device_id == IXGB_DEVICE_ID_82597EX_SR))
+ || (hw->device_id == IXGB_DEVICE_ID_82597EX_CX4)
+ || (hw->device_id == IXGB_DEVICE_ID_82597EX_LR)
+ || (hw->device_id == IXGB_DEVICE_ID_82597EX_SR))
hw->mac_type = ixgb_82597;
else {
/* should never have loaded on this device */
- printk(KERN_ERR "ixgb: unsupported device id\n");
+ DPRINTK(PROBE, ERR, "unsupported device id\n");
}
/* enable flow control to be programmed */
@@ -665,6 +668,8 @@ ixgb_setup_tx_resources(struct ixgb_adapter *adapter)
size = sizeof(struct ixgb_buffer) * txdr->count;
txdr->buffer_info = vmalloc(size);
if(!txdr->buffer_info) {
+ DPRINTK(PROBE, ERR,
+ "Unable to allocate transmit descriptor ring memory\n");
return -ENOMEM;
}
memset(txdr->buffer_info, 0, size);
@@ -677,6 +682,8 @@ ixgb_setup_tx_resources(struct ixgb_adapter *adapter)
txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
if(!txdr->desc) {
vfree(txdr->buffer_info);
+ DPRINTK(PROBE, ERR,
+ "Unable to allocate transmit descriptor memory\n");
return -ENOMEM;
}
memset(txdr->desc, 0, txdr->size);
@@ -750,6 +757,8 @@ ixgb_setup_rx_resources(struct ixgb_adapter *adapter)
size = sizeof(struct ixgb_buffer) * rxdr->count;
rxdr->buffer_info = vmalloc(size);
if(!rxdr->buffer_info) {
+ DPRINTK(PROBE, ERR,
+ "Unable to allocate receive descriptor ring\n");
return -ENOMEM;
}
memset(rxdr->buffer_info, 0, size);
@@ -763,6 +772,8 @@ ixgb_setup_rx_resources(struct ixgb_adapter *adapter)
if(!rxdr->desc) {
vfree(rxdr->buffer_info);
+ DPRINTK(PROBE, ERR,
+ "Unable to allocate receive descriptors\n");
return -ENOMEM;
}
memset(rxdr->desc, 0, rxdr->size);
@@ -794,21 +805,14 @@ ixgb_setup_rctl(struct ixgb_adapter *adapter)
rctl |= IXGB_RCTL_SECRC;
- switch (adapter->rx_buffer_len) {
- case IXGB_RXBUFFER_2048:
- default:
+ if (adapter->rx_buffer_len <= IXGB_RXBUFFER_2048)
rctl |= IXGB_RCTL_BSIZE_2048;
- break;
- case IXGB_RXBUFFER_4096:
+ else if (adapter->rx_buffer_len <= IXGB_RXBUFFER_4096)
rctl |= IXGB_RCTL_BSIZE_4096;
- break;
- case IXGB_RXBUFFER_8192:
+ else if (adapter->rx_buffer_len <= IXGB_RXBUFFER_8192)
rctl |= IXGB_RCTL_BSIZE_8192;
- break;
- case IXGB_RXBUFFER_16384:
+ else if (adapter->rx_buffer_len <= IXGB_RXBUFFER_16384)
rctl |= IXGB_RCTL_BSIZE_16384;
- break;
- }
IXGB_WRITE_REG(&adapter->hw, RCTL, rctl);
}
@@ -898,22 +902,25 @@ ixgb_free_tx_resources(struct ixgb_adapter *adapter)
adapter->tx_ring.desc = NULL;
}
-static inline void
+static void
ixgb_unmap_and_free_tx_resource(struct ixgb_adapter *adapter,
struct ixgb_buffer *buffer_info)
{
struct pci_dev *pdev = adapter->pdev;
- if(buffer_info->dma) {
- pci_unmap_page(pdev,
- buffer_info->dma,
- buffer_info->length,
- PCI_DMA_TODEVICE);
- buffer_info->dma = 0;
- }
- if(buffer_info->skb) {
+
+ if (buffer_info->dma)
+ pci_unmap_page(pdev, buffer_info->dma, buffer_info->length,
+ PCI_DMA_TODEVICE);
+
+ if (buffer_info->skb)
dev_kfree_skb_any(buffer_info->skb);
- buffer_info->skb = NULL;
- }
+
+ buffer_info->skb = NULL;
+ buffer_info->dma = 0;
+ buffer_info->time_stamp = 0;
+ /* these fields must always be initialized in tx
+ * buffer_info->length = 0;
+ * buffer_info->next_to_watch = 0; */
}
/**
@@ -1112,8 +1119,8 @@ ixgb_watchdog(unsigned long data)
if(adapter->hw.link_up) {
if(!netif_carrier_ok(netdev)) {
- printk(KERN_INFO "ixgb: %s NIC Link is Up %d Mbps %s\n",
- netdev->name, 10000, "Full Duplex");
+ DPRINTK(LINK, INFO,
+ "NIC Link is Up 10000 Mbps Full Duplex\n");
adapter->link_speed = 10000;
adapter->link_duplex = FULL_DUPLEX;
netif_carrier_on(netdev);
@@ -1123,9 +1130,7 @@ ixgb_watchdog(unsigned long data)
if(netif_carrier_ok(netdev)) {
adapter->link_speed = 0;
adapter->link_duplex = 0;
- printk(KERN_INFO
- "ixgb: %s NIC Link is Down\n",
- netdev->name);
+ DPRINTK(LINK, INFO, "NIC Link is Down\n");
netif_carrier_off(netdev);
netif_stop_queue(netdev);
@@ -1158,7 +1163,7 @@ ixgb_watchdog(unsigned long data)
#define IXGB_TX_FLAGS_VLAN 0x00000002
#define IXGB_TX_FLAGS_TSO 0x00000004
-static inline int
+static int
ixgb_tso(struct ixgb_adapter *adapter, struct sk_buff *skb)
{
#ifdef NETIF_F_TSO
@@ -1220,7 +1225,7 @@ ixgb_tso(struct ixgb_adapter *adapter, struct sk_buff *skb)
return 0;
}
-static inline boolean_t
+static boolean_t
ixgb_tx_csum(struct ixgb_adapter *adapter, struct sk_buff *skb)
{
struct ixgb_context_desc *context_desc;
@@ -1258,7 +1263,7 @@ ixgb_tx_csum(struct ixgb_adapter *adapter, struct sk_buff *skb)
#define IXGB_MAX_TXD_PWR 14
#define IXGB_MAX_DATA_PER_TXD (1<<IXGB_MAX_TXD_PWR)
-static inline int
+static int
ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
unsigned int first)
{
@@ -1284,6 +1289,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
size,
PCI_DMA_TODEVICE);
buffer_info->time_stamp = jiffies;
+ buffer_info->next_to_watch = 0;
len -= size;
offset += size;
@@ -1309,6 +1315,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
size,
PCI_DMA_TODEVICE);
buffer_info->time_stamp = jiffies;
+ buffer_info->next_to_watch = 0;
len -= size;
offset += size;
@@ -1323,7 +1330,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
return count;
}
-static inline void
+static void
ixgb_tx_queue(struct ixgb_adapter *adapter, int count, int vlan_id,int tx_flags)
{
struct ixgb_desc_ring *tx_ring = &adapter->tx_ring;
@@ -1395,13 +1402,26 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
return 0;
}
+#ifdef NETIF_F_LLTX
+ local_irq_save(flags);
+ if (!spin_trylock(&adapter->tx_lock)) {
+ /* Collision - tell upper layer to requeue */
+ local_irq_restore(flags);
+ return NETDEV_TX_LOCKED;
+ }
+#else
spin_lock_irqsave(&adapter->tx_lock, flags);
+#endif
+
if(unlikely(IXGB_DESC_UNUSED(&adapter->tx_ring) < DESC_NEEDED)) {
netif_stop_queue(netdev);
spin_unlock_irqrestore(&adapter->tx_lock, flags);
- return 1;
+ return NETDEV_TX_BUSY;
}
+
+#ifndef NETIF_F_LLTX
spin_unlock_irqrestore(&adapter->tx_lock, flags);
+#endif
if(adapter->vlgrp && vlan_tx_tag_present(skb)) {
tx_flags |= IXGB_TX_FLAGS_VLAN;
@@ -1413,10 +1433,13 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
tso = ixgb_tso(adapter, skb);
if (tso < 0) {
dev_kfree_skb_any(skb);
+#ifdef NETIF_F_LLTX
+ spin_unlock_irqrestore(&adapter->tx_lock, flags);
+#endif
return NETDEV_TX_OK;
}
- if (tso)
+ if (likely(tso))
tx_flags |= IXGB_TX_FLAGS_TSO;
else if(ixgb_tx_csum(adapter, skb))
tx_flags |= IXGB_TX_FLAGS_CSUM;
@@ -1426,7 +1449,15 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
netdev->trans_start = jiffies;
- return 0;
+#ifdef NETIF_F_LLTX
+ /* Make sure there is space in the ring for the next send. */
+ if(unlikely(IXGB_DESC_UNUSED(&adapter->tx_ring) < DESC_NEEDED))
+ netif_stop_queue(netdev);
+
+ spin_unlock_irqrestore(&adapter->tx_lock, flags);
+
+#endif
+ return NETDEV_TX_OK;
}
/**
@@ -1448,6 +1479,7 @@ ixgb_tx_timeout_task(struct net_device *netdev)
{
struct ixgb_adapter *adapter = netdev_priv(netdev);
+ adapter->tx_timeout_count++;
ixgb_down(adapter, TRUE);
ixgb_up(adapter);
}
@@ -1486,28 +1518,15 @@ ixgb_change_mtu(struct net_device *netdev, int new_mtu)
if((max_frame < IXGB_MIN_ENET_FRAME_SIZE_WITHOUT_FCS + ENET_FCS_LENGTH)
|| (max_frame > IXGB_MAX_JUMBO_FRAME_SIZE + ENET_FCS_LENGTH)) {
- IXGB_ERR("Invalid MTU setting\n");
+ DPRINTK(PROBE, ERR, "Invalid MTU setting %d\n", new_mtu);
return -EINVAL;
}
- if((max_frame <= IXGB_MAX_ENET_FRAME_SIZE_WITHOUT_FCS + ENET_FCS_LENGTH)
- || (max_frame <= IXGB_RXBUFFER_2048)) {
- adapter->rx_buffer_len = IXGB_RXBUFFER_2048;
-
- } else if(max_frame <= IXGB_RXBUFFER_4096) {
- adapter->rx_buffer_len = IXGB_RXBUFFER_4096;
-
- } else if(max_frame <= IXGB_RXBUFFER_8192) {
- adapter->rx_buffer_len = IXGB_RXBUFFER_8192;
-
- } else {
- adapter->rx_buffer_len = IXGB_RXBUFFER_16384;
- }
+ adapter->rx_buffer_len = max_frame;
netdev->mtu = new_mtu;
- if(old_max_frame != max_frame && netif_running(netdev)) {
-
+ if ((old_max_frame != max_frame) && netif_running(netdev)) {
ixgb_down(adapter, TRUE);
ixgb_up(adapter);
}
@@ -1765,23 +1784,43 @@ ixgb_clean_tx_irq(struct ixgb_adapter *adapter)
tx_ring->next_to_clean = i;
- spin_lock(&adapter->tx_lock);
- if(cleaned && netif_queue_stopped(netdev) && netif_carrier_ok(netdev) &&
- (IXGB_DESC_UNUSED(tx_ring) > IXGB_TX_QUEUE_WAKE)) {
-
- netif_wake_queue(netdev);
+ if (unlikely(netif_queue_stopped(netdev))) {
+ spin_lock(&adapter->tx_lock);
+ if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev) &&
+ (IXGB_DESC_UNUSED(tx_ring) > IXGB_TX_QUEUE_WAKE))
+ netif_wake_queue(netdev);
+ spin_unlock(&adapter->tx_lock);
}
- 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)
+ if (tx_ring->buffer_info[eop].dma &&
+ time_after(jiffies, tx_ring->buffer_info[eop].time_stamp + HZ)
&& !(IXGB_READ_REG(&adapter->hw, STATUS) &
- IXGB_STATUS_TXOFF))
+ IXGB_STATUS_TXOFF)) {
+ /* detected Tx unit hang */
+ DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
+ " TDH <%x>\n"
+ " TDT <%x>\n"
+ " next_to_use <%x>\n"
+ " next_to_clean <%x>\n"
+ "buffer_info[next_to_clean]\n"
+ " time_stamp <%lx>\n"
+ " next_to_watch <%x>\n"
+ " jiffies <%lx>\n"
+ " next_to_watch.status <%x>\n",
+ IXGB_READ_REG(&adapter->hw, TDH),
+ IXGB_READ_REG(&adapter->hw, TDT),
+ tx_ring->next_to_use,
+ tx_ring->next_to_clean,
+ tx_ring->buffer_info[eop].time_stamp,
+ eop,
+ jiffies,
+ eop_desc->status);
netif_stop_queue(netdev);
+ }
}
return cleaned;
@@ -1794,7 +1833,7 @@ ixgb_clean_tx_irq(struct ixgb_adapter *adapter)
* @sk_buff: socket buffer with received data
**/
-static inline void
+static void
ixgb_rx_checksum(struct ixgb_adapter *adapter,
struct ixgb_rx_desc *rx_desc,
struct sk_buff *skb)
@@ -1858,6 +1897,7 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
#endif
status = rx_desc->status;
skb = buffer_info->skb;
+ buffer_info->skb = NULL;
prefetch(skb->data);
@@ -1902,6 +1942,26 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
goto rxdesc_done;
}
+ /* code added for copybreak, this should improve
+ * performance for small packets with large amounts
+ * of reassembly being done in the stack */
+#define IXGB_CB_LENGTH 256
+ if (length < IXGB_CB_LENGTH) {
+ struct sk_buff *new_skb =
+ dev_alloc_skb(length + NET_IP_ALIGN);
+ if (new_skb) {
+ skb_reserve(new_skb, NET_IP_ALIGN);
+ new_skb->dev = netdev;
+ memcpy(new_skb->data - NET_IP_ALIGN,
+ skb->data - NET_IP_ALIGN,
+ length + NET_IP_ALIGN);
+ /* save the skb in buffer_info as good */
+ buffer_info->skb = skb;
+ skb = new_skb;
+ }
+ }
+ /* end copybreak code */
+
/* Good Receive */
skb_put(skb, length);
@@ -1931,7 +1991,6 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
rxdesc_done:
/* clean up descriptor, might be written over by hw */
rx_desc->status = 0;
- buffer_info->skb = NULL;
/* use prefetched values */
rx_desc = next_rxd;
@@ -1971,12 +2030,18 @@ ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter)
/* leave three descriptors unused */
while(--cleancount > 2) {
- rx_desc = IXGB_RX_DESC(*rx_ring, i);
-
- skb = dev_alloc_skb(adapter->rx_buffer_len + NET_IP_ALIGN);
+ /* recycle! its good for you */
+ if (!(skb = buffer_info->skb))
+ skb = dev_alloc_skb(adapter->rx_buffer_len
+ + NET_IP_ALIGN);
+ else {
+ skb_trim(skb, 0);
+ goto map_skb;
+ }
- if(unlikely(!skb)) {
+ if (unlikely(!skb)) {
/* Better luck next round */
+ adapter->alloc_rx_buff_failed++;
break;
}
@@ -1990,33 +2055,36 @@ ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter)
buffer_info->skb = skb;
buffer_info->length = adapter->rx_buffer_len;
- buffer_info->dma =
- pci_map_single(pdev,
- skb->data,
- adapter->rx_buffer_len,
- PCI_DMA_FROMDEVICE);
+map_skb:
+ buffer_info->dma = pci_map_single(pdev,
+ skb->data,
+ adapter->rx_buffer_len,
+ PCI_DMA_FROMDEVICE);
+ rx_desc = IXGB_RX_DESC(*rx_ring, i);
rx_desc->buff_addr = cpu_to_le64(buffer_info->dma);
/* guarantee DD bit not set now before h/w gets descriptor
* this is the rest of the workaround for h/w double
* writeback. */
rx_desc->status = 0;
- if((i & ~(num_group_tail_writes- 1)) == i) {
- /* Force memory writes to complete before letting h/w
- * know there are new descriptors to fetch. (Only
- * applicable for weak-ordered memory model archs,
- * such as IA-64). */
- wmb();
-
- IXGB_WRITE_REG(&adapter->hw, RDT, i);
- }
if(++i == rx_ring->count) i = 0;
buffer_info = &rx_ring->buffer_info[i];
}
- rx_ring->next_to_use = i;
+ if (likely(rx_ring->next_to_use != i)) {
+ rx_ring->next_to_use = i;
+ if (unlikely(i-- == 0))
+ i = (rx_ring->count - 1);
+
+ /* Force memory writes to complete before letting h/w
+ * know there are new descriptors to fetch. (Only
+ * applicable for weak-ordered memory model archs, such
+ * as IA-64). */
+ wmb();
+ IXGB_WRITE_REG(&adapter->hw, RDT, i);
+ }
}
/**
diff --git a/drivers/net/ixgb/ixgb_osdep.h b/drivers/net/ixgb/ixgb_osdep.h
index dba20481ee8..ee982feac64 100644
--- a/drivers/net/ixgb/ixgb_osdep.h
+++ b/drivers/net/ixgb/ixgb_osdep.h
@@ -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
diff --git a/drivers/net/ixgb/ixgb_param.c b/drivers/net/ixgb/ixgb_param.c
index 8a83dfdf746..39fbed29a3d 100644
--- a/drivers/net/ixgb/ixgb_param.c
+++ b/drivers/net/ixgb/ixgb_param.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
@@ -76,7 +76,7 @@ IXGB_PARAM(RxDescriptors, "Number of receive descriptors");
* - 2 - Tx only, generate PAUSE frames but ignore them on receive
* - 3 - Full Flow Control Support
*
- * Default Value: Read flow control settings from the EEPROM
+ * Default Value: 2 - Tx only (silicon bug avoidance)
*/
IXGB_PARAM(FlowControl, "Flow Control setting");
@@ -137,7 +137,7 @@ IXGB_PARAM(RxFCLowThresh, "Receive Flow Control Low Threshold");
*
* Valid Range: 1 - 65535
*
- * Default Value: 256 (0x100)
+ * Default Value: 65535 (0xffff) (we'll send an xon if we recover)
*/
IXGB_PARAM(FCReqTimeout, "Flow Control Request Timeout");
@@ -165,8 +165,6 @@ IXGB_PARAM(IntDelayEnable, "Transmit Interrupt Delay Enable");
#define XSUMRX_DEFAULT OPTION_ENABLED
-#define FLOW_CONTROL_FULL ixgb_fc_full
-#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
#define DEFAULT_FCRTL 0x28000
#define DEFAULT_FCRTH 0x30000
#define MIN_FCRTL 0
@@ -174,9 +172,9 @@ IXGB_PARAM(IntDelayEnable, "Transmit Interrupt Delay Enable");
#define MIN_FCRTH 8
#define MAX_FCRTH 0x3FFF0
-#define DEFAULT_FCPAUSE 0x100 /* this may be too long */
#define MIN_FCPAUSE 1
#define MAX_FCPAUSE 0xffff
+#define DEFAULT_FCPAUSE 0xFFFF /* this may be too long */
struct ixgb_option {
enum { enable_option, range_option, list_option } type;
@@ -336,7 +334,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
.type = list_option,
.name = "Flow Control",
.err = "reading default settings from EEPROM",
- .def = ixgb_fc_full,
+ .def = ixgb_fc_tx_pause,
.arg = { .l = { .nr = LIST_LEN(fc_list),
.p = fc_list }}
};
@@ -365,8 +363,8 @@ ixgb_check_options(struct ixgb_adapter *adapter)
} else {
adapter->hw.fc.high_water = opt.def;
}
- if(!(adapter->hw.fc.type & ixgb_fc_rx_pause) )
- printk (KERN_INFO
+ if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) )
+ printk (KERN_INFO
"Ignoring RxFCHighThresh when no RxFC\n");
}
{ /* Receive Flow Control Low Threshold */
@@ -385,8 +383,8 @@ ixgb_check_options(struct ixgb_adapter *adapter)
} else {
adapter->hw.fc.low_water = opt.def;
}
- if(!(adapter->hw.fc.type & ixgb_fc_rx_pause) )
- printk (KERN_INFO
+ if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) )
+ printk (KERN_INFO
"Ignoring RxFCLowThresh when no RxFC\n");
}
{ /* Flow Control Pause Time Request*/
@@ -406,12 +404,12 @@ ixgb_check_options(struct ixgb_adapter *adapter)
} else {
adapter->hw.fc.pause_time = opt.def;
}
- if(!(adapter->hw.fc.type & ixgb_fc_rx_pause) )
- printk (KERN_INFO
+ if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) )
+ printk (KERN_INFO
"Ignoring FCReqTimeout when no RxFC\n");
}
/* high low and spacing check for rx flow control thresholds */
- if (adapter->hw.fc.type & ixgb_fc_rx_pause) {
+ if (adapter->hw.fc.type & ixgb_fc_tx_pause) {
/* high must be greater than low */
if (adapter->hw.fc.high_water < (adapter->hw.fc.low_water + 8)) {
/* set defaults */