/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2008 Intel Corporation.
+ Copyright(c) 1999 - 2009 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
#include <linux/cpu.h>
#include <linux/smp.h>
#include <linux/pm_qos_params.h>
+#include <linux/aer.h>
#include "e1000.h"
-#define DRV_VERSION "0.3.3.3-k6"
+#define DRV_VERSION "1.0.2-k2"
char e1000e_driver_name[] = "e1000e";
const char e1000e_driver_version[] = DRV_VERSION;
[board_82572] = &e1000_82572_info,
[board_82573] = &e1000_82573_info,
[board_82574] = &e1000_82574_info,
+ [board_82583] = &e1000_82583_info,
[board_80003es2lan] = &e1000_es2_info,
[board_ich8lan] = &e1000_ich8_info,
[board_ich9lan] = &e1000_ich9_info,
[board_ich10lan] = &e1000_ich10_info,
+ [board_pchlan] = &e1000_pch_info,
};
-#ifdef DEBUG
-/**
- * e1000_get_hw_dev_name - return device name string
- * used by hardware layer to print debugging information
- **/
-char *e1000e_get_hw_dev_name(struct e1000_hw *hw)
-{
- return hw->adapter->netdev->name;
-}
-#endif
-
/**
* e1000_desc_unused - calculate if we have unused descriptors
**/
skb->protocol = eth_type_trans(skb, netdev);
if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))
- vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
- le16_to_cpu(vlan));
+ vlan_gro_receive(&adapter->napi, adapter->vlgrp,
+ le16_to_cpu(vlan), skb);
else
- netif_receive_skb(skb);
+ napi_gro_receive(&adapter->napi, skb);
}
/**
struct e1000_buffer *buffer_info;
struct sk_buff *skb;
unsigned int i;
- unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
+ unsigned int bufsz = adapter->rx_buffer_len;
i = rx_ring->next_to_use;
buffer_info = &rx_ring->buffer_info[i];
goto map_skb;
}
- skb = netdev_alloc_skb(netdev, bufsz);
+ skb = netdev_alloc_skb_ip_align(netdev, bufsz);
if (!skb) {
/* Better luck next round */
adapter->alloc_rx_buff_failed++;
break;
}
- /*
- * 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
- */
- skb_reserve(skb, NET_IP_ALIGN);
-
buffer_info->skb = skb;
map_skb:
buffer_info->dma = pci_map_single(pdev, skb->data,
cpu_to_le64(ps_page->dma);
}
- skb = netdev_alloc_skb(netdev,
- adapter->rx_ps_bsize0 + NET_IP_ALIGN);
+ skb = netdev_alloc_skb_ip_align(netdev,
+ adapter->rx_ps_bsize0);
if (!skb) {
adapter->alloc_rx_buff_failed++;
break;
}
- /*
- * 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
- */
- skb_reserve(skb, NET_IP_ALIGN);
-
buffer_info->skb = skb;
buffer_info->dma = pci_map_single(pdev, skb->data,
adapter->rx_ps_bsize0,
/**
* e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
* @adapter: address of board private structure
- * @rx_ring: pointer to receive ring structure
* @cleaned_count: number of buffers to allocate this pass
**/
struct e1000_buffer *buffer_info;
struct sk_buff *skb;
unsigned int i;
- unsigned int bufsz = 256 -
- 16 /* for skb_reserve */ -
- NET_IP_ALIGN;
+ unsigned int bufsz = 256 - 16 /* for skb_reserve */;
i = rx_ring->next_to_use;
buffer_info = &rx_ring->buffer_info[i];
goto check_page;
}
- skb = netdev_alloc_skb(netdev, bufsz);
+ skb = netdev_alloc_skb_ip_align(netdev, bufsz);
if (unlikely(!skb)) {
/* Better luck next round */
adapter->alloc_rx_buff_failed++;
break;
}
- /* 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
- */
- skb_reserve(skb, NET_IP_ALIGN);
-
buffer_info->skb = skb;
check_page:
/* allocate a new page if necessary */
{
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
+ struct e1000_hw *hw = &adapter->hw;
struct e1000_ring *rx_ring = adapter->rx_ring;
struct e1000_rx_desc *rx_desc, *next_rxd;
struct e1000_buffer *buffer_info, *next_buffer;
length = le16_to_cpu(rx_desc->length);
- /* !EOP means multiple descriptors were used to store a single
- * packet, also make sure the frame isn't just CRC only */
- if (!(status & E1000_RXD_STAT_EOP) || (length <= 4)) {
+ /*
+ * !EOP means multiple descriptors were used to store a single
+ * packet, if that's the case we need to toss it. In fact, we
+ * need to toss every packet with the EOP bit clear and the
+ * next frame that _does_ have the EOP bit set, as it is by
+ * definition only a frame fragment
+ */
+ if (unlikely(!(status & E1000_RXD_STAT_EOP)))
+ adapter->flags2 |= FLAG2_IS_DISCARDING;
+
+ if (adapter->flags2 & FLAG2_IS_DISCARDING) {
/* All receives must fit into a single buffer */
- e_dbg("%s: Receive packet consumed multiple buffers\n",
- netdev->name);
+ e_dbg("Receive packet consumed multiple buffers\n");
/* recycle */
buffer_info->skb = skb;
+ if (status & E1000_RXD_STAT_EOP)
+ adapter->flags2 &= ~FLAG2_IS_DISCARDING;
goto next_desc;
}
goto next_desc;
}
+ /* adjust length to remove Ethernet CRC */
+ if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
+ length -= 4;
+
total_rx_bytes += length;
total_rx_packets++;
*/
if (length < copybreak) {
struct sk_buff *new_skb =
- netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
+ netdev_alloc_skb_ip_align(netdev, length);
if (new_skb) {
- skb_reserve(new_skb, NET_IP_ALIGN);
skb_copy_to_linear_data_offset(new_skb,
-NET_IP_ALIGN,
(skb->data -
adapter->total_rx_bytes += total_rx_bytes;
adapter->total_rx_packets += total_rx_packets;
- adapter->net_stats.rx_bytes += total_rx_bytes;
- adapter->net_stats.rx_packets += total_rx_packets;
+ netdev->stats.rx_bytes += total_rx_bytes;
+ netdev->stats.rx_packets += total_rx_packets;
return cleaned;
}
struct e1000_buffer *buffer_info)
{
if (buffer_info->dma) {
- pci_unmap_page(adapter->pdev, buffer_info->dma,
- buffer_info->length, PCI_DMA_TODEVICE);
+ if (buffer_info->mapped_as_page)
+ pci_unmap_page(adapter->pdev, buffer_info->dma,
+ buffer_info->length, PCI_DMA_TODEVICE);
+ else
+ pci_unmap_single(adapter->pdev, buffer_info->dma,
+ buffer_info->length,
+ PCI_DMA_TODEVICE);
buffer_info->dma = 0;
}
if (buffer_info->skb) {
dev_kfree_skb_any(buffer_info->skb);
buffer_info->skb = NULL;
}
+ buffer_info->time_stamp = 0;
}
-static void e1000_print_tx_hang(struct e1000_adapter *adapter)
+static void e1000_print_hw_hang(struct work_struct *work)
{
+ struct e1000_adapter *adapter = container_of(work,
+ struct e1000_adapter,
+ print_hang_task);
struct e1000_ring *tx_ring = adapter->tx_ring;
unsigned int i = tx_ring->next_to_clean;
unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
+ struct e1000_hw *hw = &adapter->hw;
+ u16 phy_status, phy_1000t_status, phy_ext_status;
+ u16 pci_status;
+
+ e1e_rphy(hw, PHY_STATUS, &phy_status);
+ e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
+ e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
+
+ pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
- /* detected Tx unit hang */
- e_err("Detected Tx Unit Hang:\n"
+ /* detected Hardware unit hang */
+ e_err("Detected Hardware Unit Hang:\n"
" TDH <%x>\n"
" TDT <%x>\n"
" next_to_use <%x>\n"
" time_stamp <%lx>\n"
" next_to_watch <%x>\n"
" jiffies <%lx>\n"
- " next_to_watch.status <%x>\n",
+ " next_to_watch.status <%x>\n"
+ "MAC Status <%x>\n"
+ "PHY Status <%x>\n"
+ "PHY 1000BASE-T Status <%x>\n"
+ "PHY Extended Status <%x>\n"
+ "PCI Status <%x>\n",
readl(adapter->hw.hw_addr + tx_ring->head),
readl(adapter->hw.hw_addr + tx_ring->tail),
tx_ring->next_to_use,
tx_ring->buffer_info[eop].time_stamp,
eop,
jiffies,
- eop_desc->upper.fields.status);
+ eop_desc->upper.fields.status,
+ er32(STATUS),
+ phy_status,
+ phy_1000t_status,
+ phy_ext_status,
+ pci_status);
}
/**
struct e1000_buffer *buffer_info;
unsigned int i, eop;
unsigned int count = 0;
- bool cleaned = 0;
unsigned int total_tx_bytes = 0, total_tx_packets = 0;
i = tx_ring->next_to_clean;
eop = tx_ring->buffer_info[i].next_to_watch;
eop_desc = E1000_TX_DESC(*tx_ring, eop);
- while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
- for (cleaned = 0; !cleaned; ) {
+ while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
+ (count < tx_ring->count)) {
+ bool cleaned = false;
+ for (; !cleaned; count++) {
tx_desc = E1000_TX_DESC(*tx_ring, i);
buffer_info = &tx_ring->buffer_info[i];
cleaned = (i == eop);
eop = tx_ring->buffer_info[i].next_to_watch;
eop_desc = E1000_TX_DESC(*tx_ring, eop);
-#define E1000_TX_WEIGHT 64
- /* weight of a sort for tx, to avoid endless transmit cleanup */
- if (count++ == E1000_TX_WEIGHT)
- break;
}
tx_ring->next_to_clean = i;
#define TX_WAKE_THRESHOLD 32
- if (cleaned && netif_carrier_ok(netdev) &&
- e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
+ if (count && netif_carrier_ok(netdev) &&
+ e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
/* Make sure that anybody stopping the queue after this
* sees the new next_to_clean.
*/
* check with the clearing of time_stamp and movement of i
*/
adapter->detect_tx_hung = 0;
- if (tx_ring->buffer_info[eop].dma &&
- time_after(jiffies, tx_ring->buffer_info[eop].time_stamp
- + (adapter->tx_timeout_factor * HZ))
- && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
- e1000_print_tx_hang(adapter);
+ if (tx_ring->buffer_info[i].time_stamp &&
+ time_after(jiffies, tx_ring->buffer_info[i].time_stamp
+ + (adapter->tx_timeout_factor * HZ)) &&
+ !(er32(STATUS) & E1000_STATUS_TXOFF)) {
+ schedule_work(&adapter->print_hang_task);
netif_stop_queue(netdev);
}
}
adapter->total_tx_bytes += total_tx_bytes;
adapter->total_tx_packets += total_tx_packets;
- adapter->net_stats.tx_bytes += total_tx_bytes;
- adapter->net_stats.tx_packets += total_tx_packets;
- return cleaned;
+ netdev->stats.tx_bytes += total_tx_bytes;
+ netdev->stats.tx_packets += total_tx_packets;
+ return (count < tx_ring->count);
}
/**
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
int *work_done, int work_to_do)
{
+ struct e1000_hw *hw = &adapter->hw;
union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
PCI_DMA_FROMDEVICE);
buffer_info->dma = 0;
- if (!(staterr & E1000_RXD_STAT_EOP)) {
- e_dbg("%s: Packet Split buffers didn't pick up the "
- "full packet\n", netdev->name);
+ /* see !EOP comment in other rx routine */
+ if (!(staterr & E1000_RXD_STAT_EOP))
+ adapter->flags2 |= FLAG2_IS_DISCARDING;
+
+ if (adapter->flags2 & FLAG2_IS_DISCARDING) {
+ e_dbg("Packet Split buffers didn't pick up the full "
+ "packet\n");
dev_kfree_skb_irq(skb);
+ if (staterr & E1000_RXD_STAT_EOP)
+ adapter->flags2 &= ~FLAG2_IS_DISCARDING;
goto next_desc;
}
length = le16_to_cpu(rx_desc->wb.middle.length0);
if (!length) {
- e_dbg("%s: Last part of the packet spanning multiple "
- "descriptors\n", netdev->name);
+ e_dbg("Last part of the packet spanning multiple "
+ "descriptors\n");
dev_kfree_skb_irq(skb);
goto next_desc;
}
pci_dma_sync_single_for_device(pdev, ps_page->dma,
PAGE_SIZE, PCI_DMA_FROMDEVICE);
+ /* remove the CRC */
+ if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
+ l1 -= 4;
+
skb_put(skb, l1);
goto copydone;
} /* if */
skb->truesize += length;
}
+ /* strip the ethernet crc, problem is we're using pages now so
+ * this whole operation can get a little cpu intensive
+ */
+ if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
+ pskb_trim(skb, skb->len - 4);
+
copydone:
total_rx_bytes += skb->len;
total_rx_packets++;
adapter->total_rx_bytes += total_rx_bytes;
adapter->total_rx_packets += total_rx_packets;
- adapter->net_stats.rx_bytes += total_rx_bytes;
- adapter->net_stats.rx_packets += total_rx_packets;
+ netdev->stats.rx_bytes += total_rx_bytes;
+ netdev->stats.rx_packets += total_rx_packets;
return cleaned;
}
adapter->total_rx_bytes += total_rx_bytes;
adapter->total_rx_packets += total_rx_packets;
- adapter->net_stats.rx_bytes += total_rx_bytes;
- adapter->net_stats.rx_packets += total_rx_packets;
+ netdev->stats.rx_bytes += total_rx_bytes;
+ netdev->stats.rx_packets += total_rx_packets;
return cleaned;
}
rx_ring->next_to_clean = 0;
rx_ring->next_to_use = 0;
+ adapter->flags2 &= ~FLAG2_IS_DISCARDING;
writel(0, adapter->hw.hw_addr + rx_ring->head);
writel(0, adapter->hw.hw_addr + rx_ring->tail);
* read ICR disables interrupts using IAM
*/
- if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
+ if (icr & E1000_ICR_LSC) {
hw->mac.get_link_status = 1;
/*
* ICH8 workaround-- Call gig speed drop workaround on cable
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}
- if (netif_rx_schedule_prep(netdev, &adapter->napi)) {
+ if (napi_schedule_prep(&adapter->napi)) {
adapter->total_tx_bytes = 0;
adapter->total_tx_packets = 0;
adapter->total_rx_bytes = 0;
adapter->total_rx_packets = 0;
- __netif_rx_schedule(netdev, &adapter->napi);
+ __napi_schedule(&adapter->napi);
}
return IRQ_HANDLED;
struct e1000_hw *hw = &adapter->hw;
u32 rctl, icr = er32(ICR);
- if (!icr)
+ if (!icr || test_bit(__E1000_DOWN, &adapter->state))
return IRQ_NONE; /* Not our interrupt */
/*
* IMC write
*/
- if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
+ if (icr & E1000_ICR_LSC) {
hw->mac.get_link_status = 1;
/*
* ICH8 workaround-- Call gig speed drop workaround on cable
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}
- if (netif_rx_schedule_prep(netdev, &adapter->napi)) {
+ if (napi_schedule_prep(&adapter->napi)) {
adapter->total_tx_bytes = 0;
adapter->total_tx_packets = 0;
adapter->total_rx_bytes = 0;
adapter->total_rx_packets = 0;
- __netif_rx_schedule(netdev, &adapter->napi);
+ __napi_schedule(&adapter->napi);
}
return IRQ_HANDLED;
u32 icr = er32(ICR);
if (!(icr & E1000_ICR_INT_ASSERTED)) {
- ew32(IMS, E1000_IMS_OTHER);
+ if (!test_bit(__E1000_DOWN, &adapter->state))
+ ew32(IMS, E1000_IMS_OTHER);
return IRQ_NONE;
}
}
no_link_interrupt:
- ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
+ if (!test_bit(__E1000_DOWN, &adapter->state))
+ ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
return IRQ_HANDLED;
}
adapter->rx_ring->set_itr = 0;
}
- if (netif_rx_schedule_prep(netdev, &adapter->napi)) {
+ if (napi_schedule_prep(&adapter->napi)) {
adapter->total_rx_bytes = 0;
adapter->total_rx_packets = 0;
- __netif_rx_schedule(netdev, &adapter->napi);
+ __napi_schedule(&adapter->napi);
}
return IRQ_HANDLED;
}
int err = 0, vector = 0;
if (strlen(netdev->name) < (IFNAMSIZ - 5))
- sprintf(adapter->rx_ring->name, "%s-rx0", netdev->name);
+ sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name);
else
memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
err = request_irq(adapter->msix_entries[vector].vector,
- &e1000_intr_msix_rx, 0, adapter->rx_ring->name,
+ e1000_intr_msix_rx, 0, adapter->rx_ring->name,
netdev);
if (err)
goto out;
vector++;
if (strlen(netdev->name) < (IFNAMSIZ - 5))
- sprintf(adapter->tx_ring->name, "%s-tx0", netdev->name);
+ sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);
else
memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
err = request_irq(adapter->msix_entries[vector].vector,
- &e1000_intr_msix_tx, 0, adapter->tx_ring->name,
+ e1000_intr_msix_tx, 0, adapter->tx_ring->name,
netdev);
if (err)
goto out;
vector++;
err = request_irq(adapter->msix_entries[vector].vector,
- &e1000_msix_other, 0, netdev->name, netdev);
+ e1000_msix_other, 0, netdev->name, netdev);
if (err)
goto out;
e1000e_set_interrupt_capability(adapter);
}
if (adapter->flags & FLAG_MSI_ENABLED) {
- err = request_irq(adapter->pdev->irq, &e1000_intr_msi, 0,
+ err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
netdev->name, netdev);
if (!err)
return err;
adapter->int_mode = E1000E_INT_MODE_LEGACY;
}
- err = request_irq(adapter->pdev->irq, &e1000_intr, IRQF_SHARED,
+ err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
netdev->name, netdev);
if (err)
e_err("Unable to allocate interrupt, Error: %d\n", err);
tx_ring->next_to_use = 0;
tx_ring->next_to_clean = 0;
- spin_lock_init(&adapter->tx_queue_lock);
return 0;
err:
struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
struct e1000_hw *hw = &adapter->hw;
struct net_device *poll_dev = adapter->netdev;
- int tx_cleaned = 0, work_done = 0;
+ int tx_cleaned = 1, work_done = 0;
- /* Must NOT use netdev_priv macro here. */
- adapter = poll_dev->priv;
+ adapter = netdev_priv(poll_dev);
if (adapter->msix_entries &&
!(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
goto clean_rx;
- /*
- * e1000_clean is called per-cpu. This lock protects
- * tx_ring from being cleaned by multiple cpus
- * simultaneously. A failure obtaining the lock means
- * tx_ring is currently being cleaned anyway.
- */
- if (spin_trylock(&adapter->tx_queue_lock)) {
- tx_cleaned = e1000_clean_tx_irq(adapter);
- spin_unlock(&adapter->tx_queue_lock);
- }
+ tx_cleaned = e1000_clean_tx_irq(adapter);
clean_rx:
adapter->clean_rx(adapter, &work_done, budget);
- if (tx_cleaned)
+ if (!tx_cleaned)
work_done = budget;
/* If budget not fully consumed, exit the polling mode */
if (work_done < budget) {
if (adapter->itr_setting & 3)
e1000_set_itr(adapter);
- netif_rx_complete(poll_dev, napi);
- if (adapter->msix_entries)
- ew32(IMS, adapter->rx_ring->ims_val);
- else
- e1000_irq_enable(adapter);
+ napi_complete(napi);
+ if (!test_bit(__E1000_DOWN, &adapter->state)) {
+ if (adapter->msix_entries)
+ ew32(IMS, adapter->rx_ring->ims_val);
+ else
+ e1000_irq_enable(adapter);
+ }
}
return work_done;
E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
(vid == adapter->mng_vlan_id))
return;
+
/* add VID to filter table */
- index = (vid >> 5) & 0x7F;
- vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
- vfta |= (1 << (vid & 0x1F));
- e1000e_write_vfta(hw, index, vfta);
+ if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
+ index = (vid >> 5) & 0x7F;
+ vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
+ vfta |= (1 << (vid & 0x1F));
+ hw->mac.ops.write_vfta(hw, index, vfta);
+ }
}
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
}
/* remove VID from filter table */
- index = (vid >> 5) & 0x7F;
- vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
- vfta &= ~(1 << (vid & 0x1F));
- e1000e_write_vfta(hw, index, vfta);
+ if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
+ index = (vid >> 5) & 0x7F;
+ vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
+ vfta &= ~(1 << (vid & 0x1F));
+ hw->mac.ops.write_vfta(hw, index, vfta);
+ }
}
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
/* Setup the HW Tx Head and Tail descriptor pointers */
tdba = tx_ring->dma;
tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
- ew32(TDBAL, (tdba & DMA_32BIT_MASK));
+ ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
ew32(TDBAH, (tdba >> 32));
ew32(TDLEN, tdlen);
ew32(TDH, 0);
ew32(TARC(1), tarc);
}
- e1000e_config_collision_dist(hw);
-
/* Setup Transmit Descriptor Settings for eop descriptor */
adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
ew32(TCTL, tctl);
+ e1000e_config_collision_dist(hw);
+
adapter->tx_queue_len = adapter->netdev->tx_queue_len;
}
else
rctl |= E1000_RCTL_LPE;
- /* Enable hardware CRC frame stripping */
- rctl |= E1000_RCTL_SECRC;
+ /* Some systems expect that the CRC is included in SMBUS traffic. The
+ * hardware strips the CRC before sending to both SMBUS (BMC) and to
+ * host memory when this is enabled
+ */
+ if (adapter->flags2 & FLAG2_CRC_STRIPPING)
+ rctl |= E1000_RCTL_SECRC;
+
+ /* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
+ if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
+ u16 phy_data;
+
+ e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
+ phy_data &= 0xfff8;
+ phy_data |= (1 << 2);
+ e1e_wphy(hw, PHY_REG(770, 26), phy_data);
+
+ e1e_rphy(hw, 22, &phy_data);
+ phy_data &= 0x0fff;
+ phy_data |= (1 << 14);
+ e1e_wphy(hw, 0x10, 0x2823);
+ e1e_wphy(hw, 0x11, 0x0003);
+ e1e_wphy(hw, 22, phy_data);
+ }
/* Setup buffer sizes */
rctl &= ~E1000_RCTL_SZ_4096;
rctl |= E1000_RCTL_BSEX;
switch (adapter->rx_buffer_len) {
- case 256:
- rctl |= E1000_RCTL_SZ_256;
- rctl &= ~E1000_RCTL_BSEX;
- break;
- case 512:
- rctl |= E1000_RCTL_SZ_512;
- rctl &= ~E1000_RCTL_BSEX;
- break;
- case 1024:
- rctl |= E1000_RCTL_SZ_1024;
- rctl &= ~E1000_RCTL_BSEX;
- break;
case 2048:
default:
rctl |= E1000_RCTL_SZ_2048;
ew32(ITR, 1000000000 / (adapter->itr * 256));
ctrl_ext = er32(CTRL_EXT);
- /* Reset delay timers after every interrupt */
- ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
/* Auto-Mask interrupts upon ICR access */
ctrl_ext |= E1000_CTRL_EXT_IAME;
ew32(IAM, 0xffffffff);
* the Base and Length of the Rx Descriptor Ring
*/
rdba = rx_ring->dma;
- ew32(RDBAL, (rdba & DMA_32BIT_MASK));
+ ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
ew32(RDBAH, (rdba >> 32));
ew32(RDLEN, rdlen);
ew32(RDH, 0);
* packet size is equal or larger than the specified value (in 8 byte
* units), e.g. using jumbo frames when setting to E1000_ERT_2048
*/
- if ((adapter->flags & FLAG_HAS_ERT) &&
- (adapter->netdev->mtu > ETH_DATA_LEN)) {
- u32 rxdctl = er32(RXDCTL(0));
- ew32(RXDCTL(0), rxdctl | 0x3);
- ew32(ERT, E1000_ERT_2048 | (1 << 13));
- /*
- * With jumbo frames and early-receive enabled, excessive
- * C4->C2 latencies result in dropped transactions.
- */
- pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
- e1000e_driver_name, 55);
- } else {
- pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
- e1000e_driver_name,
- PM_QOS_DEFAULT_VALUE);
+ if (adapter->flags & FLAG_HAS_ERT) {
+ if (adapter->netdev->mtu > ETH_DATA_LEN) {
+ u32 rxdctl = er32(RXDCTL(0));
+ ew32(RXDCTL(0), rxdctl | 0x3);
+ ew32(ERT, E1000_ERT_2048 | (1 << 13));
+ /*
+ * With jumbo frames and early-receive enabled,
+ * excessive C-state transition latencies result in
+ * dropped transactions.
+ */
+ pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
+ adapter->netdev->name, 55);
+ } else {
+ pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
+ adapter->netdev->name,
+ PM_QOS_DEFAULT_VALUE);
+ }
}
/* Enable Receives */
* @hw: pointer to the HW structure
* @mc_addr_list: array of multicast addresses to program
* @mc_addr_count: number of multicast addresses to program
- * @rar_used_count: the first RAR register free to program
- * @rar_count: total number of supported Receive Address Registers
*
- * Updates the Receive Address Registers and Multicast Table Array.
+ * Updates the Multicast Table Array.
* The caller must have a packed mc_addr_list of multicast addresses.
- * The parameter rar_count will usually be hw->mac.rar_entry_count
- * unless there are workarounds that change this. Currently no func pointer
- * exists and all implementations are handled in the generic version of this
- * function.
**/
static void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
- u32 mc_addr_count, u32 rar_used_count,
- u32 rar_count)
+ u32 mc_addr_count)
{
- hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count,
- rar_used_count, rar_count);
+ hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count);
}
/**
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- struct e1000_mac_info *mac = &hw->mac;
struct dev_mc_list *mc_ptr;
u8 *mta_list;
u32 rctl;
mc_ptr = mc_ptr->next;
}
- e1000_update_mc_addr_list(hw, mta_list, i, 1,
- mac->rar_entry_count);
+ e1000_update_mc_addr_list(hw, mta_list, i);
kfree(mta_list);
} else {
/*
* if we're called from probe, we might not have
* anything to do here, so clear out the list
*/
- e1000_update_mc_addr_list(hw, NULL, 0, 1, mac->rar_entry_count);
+ e1000_update_mc_addr_list(hw, NULL, 0);
}
}
**/
void e1000e_power_up_phy(struct e1000_adapter *adapter)
{
- u16 mii_reg = 0;
-
- /* Just clear the power down bit to wake the phy back up */
- if (adapter->hw.phy.media_type == e1000_media_type_copper) {
- /*
- * According to the manual, the phy will retain its
- * settings across a power-down/up cycle
- */
- e1e_rphy(&adapter->hw, PHY_CONTROL, &mii_reg);
- mii_reg &= ~MII_CR_POWER_DOWN;
- e1e_wphy(&adapter->hw, PHY_CONTROL, mii_reg);
- }
+ if (adapter->hw.phy.ops.power_up)
+ adapter->hw.phy.ops.power_up(&adapter->hw);
adapter->hw.mac.ops.setup_link(&adapter->hw);
}
/**
* e1000_power_down_phy - Power down the PHY
*
- * Power down the PHY so no link is implied when interface is down
- * The PHY cannot be powered down is management or WoL is active
+ * Power down the PHY so no link is implied when interface is down.
+ * The PHY cannot be powered down if management or WoL is active.
*/
static void e1000_power_down_phy(struct e1000_adapter *adapter)
{
- struct e1000_hw *hw = &adapter->hw;
- u16 mii_reg;
-
/* WoL is enabled */
if (adapter->wol)
return;
- /* non-copper PHY? */
- if (adapter->hw.phy.media_type != e1000_media_type_copper)
- return;
-
- /* reset is blocked because of a SoL/IDER session */
- if (e1000e_check_mng_mode(hw) || e1000_check_reset_block(hw))
- return;
-
- /* manageability (AMT) is enabled */
- if (er32(MANC) & E1000_MANC_SMBUS_EN)
- return;
-
- /* power down the PHY */
- e1e_rphy(hw, PHY_CONTROL, &mii_reg);
- mii_reg |= MII_CR_POWER_DOWN;
- e1e_wphy(hw, PHY_CONTROL, mii_reg);
- mdelay(1);
+ if (adapter->hw.phy.ops.power_down)
+ adapter->hw.phy.ops.power_down(&adapter->hw);
}
/**
* with ERT support assuming ERT set to E1000_ERT_2048), or
* - the full Rx FIFO size minus one full frame
*/
- if (adapter->flags & FLAG_HAS_ERT)
- hwm = min(((pba << 10) * 9 / 10),
- ((pba << 10) - (E1000_ERT_2048 << 3)));
- else
- hwm = min(((pba << 10) * 9 / 10),
- ((pba << 10) - adapter->max_frame_size));
+ if (hw->mac.type == e1000_pchlan) {
+ /*
+ * Workaround PCH LOM adapter hangs with certain network
+ * loads. If hangs persist, try disabling Tx flow control.
+ */
+ if (adapter->netdev->mtu > ETH_DATA_LEN) {
+ fc->high_water = 0x3500;
+ fc->low_water = 0x1500;
+ } else {
+ fc->high_water = 0x5000;
+ fc->low_water = 0x3000;
+ }
+ } else {
+ if ((adapter->flags & FLAG_HAS_ERT) &&
+ (adapter->netdev->mtu > ETH_DATA_LEN))
+ hwm = min(((pba << 10) * 9 / 10),
+ ((pba << 10) - (E1000_ERT_2048 << 3)));
+ else
+ hwm = min(((pba << 10) * 9 / 10),
+ ((pba << 10) - adapter->max_frame_size));
- fc->high_water = hwm & 0xFFF8; /* 8-byte granularity */
- fc->low_water = fc->high_water - 8;
+ fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
+ fc->low_water = fc->high_water - 8;
+ }
if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
fc->pause_time = 0xFFFF;
else
fc->pause_time = E1000_FC_PAUSE_TIME;
fc->send_xon = 1;
- fc->type = fc->original_type;
+ fc->current_mode = fc->requested_mode;
/* Allow time for pending master requests to run */
mac->ops.reset_hw(hw);
e1000_get_hw_control(adapter);
ew32(WUC, 0);
+ if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP)
+ e1e_wphy(&adapter->hw, BM_WUC, 0);
if (mac->ops.init_hw(hw))
e_err("Hardware Error\n");
+ /* additional part of the flow-control workaround above */
+ if (hw->mac.type == e1000_pchlan)
+ ew32(FCRTV_PCH, 0x1000);
+
e1000_update_mng_vlan(adapter);
/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
e1000e_reset_adaptive(hw);
e1000_get_phy_info(hw);
- if (!(adapter->flags & FLAG_SMART_POWER_DOWN)) {
+ if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
+ !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
u16 phy_data = 0;
/*
* speed up time to link by disabling smart power down, ignore
{
struct e1000_hw *hw = &adapter->hw;
+ /* DMA latency requirement to workaround early-receive/jumbo issue */
+ if (adapter->flags & FLAG_HAS_ERT)
+ pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY,
+ adapter->netdev->name,
+ PM_QOS_DEFAULT_VALUE);
+
/* hardware has been reset, we need to reload some things */
e1000_configure(adapter);
e1000_configure_msix(adapter);
e1000_irq_enable(adapter);
+ netif_wake_queue(adapter->netdev);
+
/* fire a link change interrupt to start the watchdog */
ew32(ICS, E1000_ICS_LSC);
return 0;
ew32(RCTL, rctl & ~E1000_RCTL_EN);
/* flush and sleep below */
- netif_tx_stop_all_queues(netdev);
+ netif_stop_queue(netdev);
/* disable transmits in the hardware */
tctl = er32(TCTL);
e1000_clean_tx_ring(adapter);
e1000_clean_rx_ring(adapter);
+ if (adapter->flags & FLAG_HAS_ERT)
+ pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY,
+ adapter->netdev->name);
+
/*
* TODO: for power management, we could drop the link and
* pci_disable_device here.
if (e1000_alloc_queues(adapter))
return -ENOMEM;
- spin_lock_init(&adapter->tx_queue_lock);
-
/* Explicitly disable IRQ since the NIC can be in any state. */
e1000_irq_disable(adapter);
struct e1000_hw *hw = &adapter->hw;
u32 icr = er32(ICR);
- e_dbg("%s: icr is %08X\n", netdev->name, icr);
+ e_dbg("icr is %08X\n", icr);
if (icr & E1000_ICR_RXSEQ) {
adapter->flags &= ~FLAG_MSI_TEST_FAILED;
wmb();
if (err)
goto msi_test_failed;
- err = request_irq(adapter->pdev->irq, &e1000_intr_msi_test, 0,
+ err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
netdev->name, netdev);
if (err) {
pci_disable_msi(adapter->pdev);
goto msi_test_failed;
/* okay so the test worked, restore settings */
- e_dbg("%s: MSI interrupt test succeeded!\n", netdev->name);
+ e_dbg("MSI interrupt test succeeded!\n");
msi_test_failed:
e1000e_set_interrupt_capability(adapter);
e1000_request_irq(adapter);
if (test_bit(__E1000_TESTING, &adapter->state))
return -EBUSY;
+ netif_carrier_off(netdev);
+
/* allocate transmit descriptors */
err = e1000e_setup_tx_resources(adapter);
if (err)
e1000_irq_enable(adapter);
- netif_tx_start_all_queues(netdev);
+ netif_start_queue(netdev);
/* fire a link status change interrupt to start the watchdog */
ew32(ICS, E1000_ICS_LSC);
**/
void e1000e_update_stats(struct e1000_adapter *adapter)
{
+ struct net_device *netdev = adapter->netdev;
struct e1000_hw *hw = &adapter->hw;
struct pci_dev *pdev = adapter->pdev;
+ u16 phy_data;
/*
* Prevent stats update while adapter is being reset, or if the pci
adapter->stats.roc += er32(ROC);
adapter->stats.mpc += er32(MPC);
- adapter->stats.scc += er32(SCC);
- adapter->stats.ecol += er32(ECOL);
- adapter->stats.mcc += er32(MCC);
- adapter->stats.latecol += er32(LATECOL);
- adapter->stats.dc += er32(DC);
+ if ((hw->phy.type == e1000_phy_82578) ||
+ (hw->phy.type == e1000_phy_82577)) {
+ e1e_rphy(hw, HV_SCC_UPPER, &phy_data);
+ if (!e1e_rphy(hw, HV_SCC_LOWER, &phy_data))
+ adapter->stats.scc += phy_data;
+
+ e1e_rphy(hw, HV_ECOL_UPPER, &phy_data);
+ if (!e1e_rphy(hw, HV_ECOL_LOWER, &phy_data))
+ adapter->stats.ecol += phy_data;
+
+ e1e_rphy(hw, HV_MCC_UPPER, &phy_data);
+ if (!e1e_rphy(hw, HV_MCC_LOWER, &phy_data))
+ adapter->stats.mcc += phy_data;
+
+ e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data);
+ if (!e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data))
+ adapter->stats.latecol += phy_data;
+
+ e1e_rphy(hw, HV_DC_UPPER, &phy_data);
+ if (!e1e_rphy(hw, HV_DC_LOWER, &phy_data))
+ adapter->stats.dc += phy_data;
+ } else {
+ adapter->stats.scc += er32(SCC);
+ adapter->stats.ecol += er32(ECOL);
+ adapter->stats.mcc += er32(MCC);
+ adapter->stats.latecol += er32(LATECOL);
+ adapter->stats.dc += er32(DC);
+ }
adapter->stats.xonrxc += er32(XONRXC);
adapter->stats.xontxc += er32(XONTXC);
adapter->stats.xoffrxc += er32(XOFFRXC);
hw->mac.tx_packet_delta = er32(TPT);
adapter->stats.tpt += hw->mac.tx_packet_delta;
- hw->mac.collision_delta = er32(COLC);
+ if ((hw->phy.type == e1000_phy_82578) ||
+ (hw->phy.type == e1000_phy_82577)) {
+ e1e_rphy(hw, HV_COLC_UPPER, &phy_data);
+ if (!e1e_rphy(hw, HV_COLC_LOWER, &phy_data))
+ hw->mac.collision_delta = phy_data;
+ } else {
+ hw->mac.collision_delta = er32(COLC);
+ }
adapter->stats.colc += hw->mac.collision_delta;
adapter->stats.algnerrc += er32(ALGNERRC);
adapter->stats.rxerrc += er32(RXERRC);
- if (hw->mac.type != e1000_82574)
- adapter->stats.tncrs += er32(TNCRS);
+ if ((hw->phy.type == e1000_phy_82578) ||
+ (hw->phy.type == e1000_phy_82577)) {
+ e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data);
+ if (!e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data))
+ adapter->stats.tncrs += phy_data;
+ } else {
+ if ((hw->mac.type != e1000_82574) &&
+ (hw->mac.type != e1000_82583))
+ adapter->stats.tncrs += er32(TNCRS);
+ }
adapter->stats.cexterr += er32(CEXTERR);
adapter->stats.tsctc += er32(TSCTC);
adapter->stats.tsctfc += er32(TSCTFC);
/* Fill out the OS statistics structure */
- adapter->net_stats.multicast = adapter->stats.mprc;
- adapter->net_stats.collisions = adapter->stats.colc;
+ netdev->stats.multicast = adapter->stats.mprc;
+ netdev->stats.collisions = adapter->stats.colc;
/* Rx Errors */
* RLEC on some newer hardware can be incorrect so build
* our own version based on RUC and ROC
*/
- adapter->net_stats.rx_errors = adapter->stats.rxerrc +
+ netdev->stats.rx_errors = adapter->stats.rxerrc +
adapter->stats.crcerrs + adapter->stats.algnerrc +
adapter->stats.ruc + adapter->stats.roc +
adapter->stats.cexterr;
- adapter->net_stats.rx_length_errors = adapter->stats.ruc +
+ netdev->stats.rx_length_errors = adapter->stats.ruc +
adapter->stats.roc;
- adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
- adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
- adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
+ netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
+ netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
+ netdev->stats.rx_missed_errors = adapter->stats.mpc;
/* Tx Errors */
- adapter->net_stats.tx_errors = adapter->stats.ecol +
+ netdev->stats.tx_errors = adapter->stats.ecol +
adapter->stats.latecol;
- adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
- adapter->net_stats.tx_window_errors = adapter->stats.latecol;
- adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
+ netdev->stats.tx_aborted_errors = adapter->stats.ecol;
+ netdev->stats.tx_window_errors = adapter->stats.latecol;
+ netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
/* Tx Dropped needs to be maintained elsewhere */
struct e1000_hw *hw = &adapter->hw;
u32 ctrl = er32(CTRL);
- e_info("Link is Up %d Mbps %s, Flow Control: %s\n",
+ /* Link status message must follow this format for user tools */
+ printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s, "
+ "Flow Control: %s\n",
+ adapter->netdev->name,
adapter->link_speed,
(adapter->link_duplex == FULL_DUPLEX) ?
"Full Duplex" : "Half Duplex",
((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
}
-static bool e1000_has_link(struct e1000_adapter *adapter)
+bool e1000_has_link(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
bool link_active = 0;
struct e1000_adapter, watchdog_task);
struct net_device *netdev = adapter->netdev;
struct e1000_mac_info *mac = &adapter->hw.mac;
+ struct e1000_phy_info *phy = &adapter->hw.phy;
struct e1000_ring *tx_ring = adapter->tx_ring;
struct e1000_hw *hw = &adapter->hw;
u32 link, tctl;
case SPEED_100:
txb2b = 0;
netdev->tx_queue_len = 100;
- /* maybe add some timeout factor ? */
+ adapter->tx_timeout_factor = 10;
break;
}
tctl |= E1000_TCTL_EN;
ew32(TCTL, tctl);
+ /*
+ * Perform any post-link-up configuration before
+ * reporting link up.
+ */
+ if (phy->ops.cfg_on_link_up)
+ phy->ops.cfg_on_link_up(hw);
+
netif_carrier_on(netdev);
- netif_tx_wake_all_queues(netdev);
if (!test_bit(__E1000_DOWN, &adapter->state))
mod_timer(&adapter->phy_info_timer,
if (netif_carrier_ok(netdev)) {
adapter->link_speed = 0;
adapter->link_duplex = 0;
- e_info("Link is Down\n");
+ /* Link status message must follow this format */
+ printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
+ adapter->netdev->name);
netif_carrier_off(netdev);
- netif_tx_stop_all_queues(netdev);
if (!test_bit(__E1000_DOWN, &adapter->state))
mod_timer(&adapter->phy_info_timer,
round_jiffies(jiffies + 2 * HZ));
*/
adapter->tx_timeout_count++;
schedule_work(&adapter->reset_task);
+ /* return immediately since reset is imminent */
+ return;
}
}
u8 ipcss, ipcso, tucss, tucso, hdr_len;
int err;
- if (skb_is_gso(skb)) {
- if (skb_header_cloned(skb)) {
- err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
- if (err)
- return err;
- }
+ if (!skb_is_gso(skb))
+ return 0;
- hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
- mss = skb_shinfo(skb)->gso_size;
- if (skb->protocol == htons(ETH_P_IP)) {
- struct iphdr *iph = ip_hdr(skb);
- iph->tot_len = 0;
- iph->check = 0;
- tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
- iph->daddr, 0,
- IPPROTO_TCP,
- 0);
- cmd_length = E1000_TXD_CMD_IP;
- ipcse = skb_transport_offset(skb) - 1;
- } else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
- ipv6_hdr(skb)->payload_len = 0;
- tcp_hdr(skb)->check =
- ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
- &ipv6_hdr(skb)->daddr,
- 0, IPPROTO_TCP, 0);
- ipcse = 0;
- }
- ipcss = skb_network_offset(skb);
- ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
- tucss = skb_transport_offset(skb);
- tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
- tucse = 0;
+ if (skb_header_cloned(skb)) {
+ err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
+ if (err)
+ return err;
+ }
- cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
- E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
+ hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
+ mss = skb_shinfo(skb)->gso_size;
+ if (skb->protocol == htons(ETH_P_IP)) {
+ struct iphdr *iph = ip_hdr(skb);
+ iph->tot_len = 0;
+ iph->check = 0;
+ tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
+ 0, IPPROTO_TCP, 0);
+ cmd_length = E1000_TXD_CMD_IP;
+ ipcse = skb_transport_offset(skb) - 1;
+ } else if (skb_is_gso_v6(skb)) {
+ ipv6_hdr(skb)->payload_len = 0;
+ tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+ &ipv6_hdr(skb)->daddr,
+ 0, IPPROTO_TCP, 0);
+ ipcse = 0;
+ }
+ ipcss = skb_network_offset(skb);
+ ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
+ tucss = skb_transport_offset(skb);
+ tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
+ tucse = 0;
- i = tx_ring->next_to_use;
- context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
- buffer_info = &tx_ring->buffer_info[i];
+ cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
+ E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
- context_desc->lower_setup.ip_fields.ipcss = ipcss;
- context_desc->lower_setup.ip_fields.ipcso = ipcso;
- context_desc->lower_setup.ip_fields.ipcse = cpu_to_le16(ipcse);
- context_desc->upper_setup.tcp_fields.tucss = tucss;
- context_desc->upper_setup.tcp_fields.tucso = tucso;
- context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
- context_desc->tcp_seg_setup.fields.mss = cpu_to_le16(mss);
- context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
- context_desc->cmd_and_length = cpu_to_le32(cmd_length);
+ i = tx_ring->next_to_use;
+ context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
+ buffer_info = &tx_ring->buffer_info[i];
- buffer_info->time_stamp = jiffies;
- buffer_info->next_to_watch = i;
+ context_desc->lower_setup.ip_fields.ipcss = ipcss;
+ context_desc->lower_setup.ip_fields.ipcso = ipcso;
+ context_desc->lower_setup.ip_fields.ipcse = cpu_to_le16(ipcse);
+ context_desc->upper_setup.tcp_fields.tucss = tucss;
+ context_desc->upper_setup.tcp_fields.tucso = tucso;
+ context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
+ context_desc->tcp_seg_setup.fields.mss = cpu_to_le16(mss);
+ context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
+ context_desc->cmd_and_length = cpu_to_le32(cmd_length);
- i++;
- if (i == tx_ring->count)
- i = 0;
- tx_ring->next_to_use = i;
+ buffer_info->time_stamp = jiffies;
+ buffer_info->next_to_watch = i;
- return 1;
- }
+ i++;
+ if (i == tx_ring->count)
+ i = 0;
+ tx_ring->next_to_use = i;
- return 0;
+ return 1;
}
static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
unsigned int i;
u8 css;
u32 cmd_len = E1000_TXD_CMD_DEXT;
+ __be16 protocol;
if (skb->ip_summed != CHECKSUM_PARTIAL)
return 0;
- switch (skb->protocol) {
- case __constant_htons(ETH_P_IP):
+ if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
+ protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
+ else
+ protocol = skb->protocol;
+
+ switch (protocol) {
+ case cpu_to_be16(ETH_P_IP):
if (ip_hdr(skb)->protocol == IPPROTO_TCP)
cmd_len |= E1000_TXD_CMD_TCP;
break;
- case __constant_htons(ETH_P_IPV6):
+ case cpu_to_be16(ETH_P_IPV6):
/* XXX not handling all IPV6 headers */
if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
cmd_len |= E1000_TXD_CMD_TCP;
break;
default:
if (unlikely(net_ratelimit()))
- e_warn("checksum_partial proto=%x!\n", skb->protocol);
+ e_warn("checksum_partial proto=%x!\n",
+ be16_to_cpu(protocol));
break;
}
unsigned int mss)
{
struct e1000_ring *tx_ring = adapter->tx_ring;
+ struct pci_dev *pdev = adapter->pdev;
struct e1000_buffer *buffer_info;
- unsigned int len = skb->len - skb->data_len;
+ unsigned int len = skb_headlen(skb);
unsigned int offset = 0, size, count = 0, i;
unsigned int f;
buffer_info = &tx_ring->buffer_info[i];
size = min(len, max_per_txd);
- /* Workaround for premature desc write-backs
- * in TSO mode. Append 4-byte sentinel desc */
- if (mss && !nr_frags && size == len && size > 8)
- size -= 4;
-
buffer_info->length = size;
- /* set time_stamp *before* dma to help avoid a possible race */
buffer_info->time_stamp = jiffies;
- buffer_info->dma =
- pci_map_single(adapter->pdev,
- skb->data + offset,
- size,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(adapter->pdev, buffer_info->dma)) {
- dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
- adapter->tx_dma_failed++;
- return -1;
- }
buffer_info->next_to_watch = i;
+ buffer_info->dma = pci_map_single(pdev, skb->data + offset,
+ size, PCI_DMA_TODEVICE);
+ buffer_info->mapped_as_page = false;
+ if (pci_dma_mapping_error(pdev, buffer_info->dma))
+ goto dma_error;
len -= size;
offset += size;
count++;
- i++;
- if (i == tx_ring->count)
- i = 0;
+
+ if (len) {
+ i++;
+ if (i == tx_ring->count)
+ i = 0;
+ }
}
for (f = 0; f < nr_frags; f++) {
offset = frag->page_offset;
while (len) {
+ i++;
+ if (i == tx_ring->count)
+ i = 0;
+
buffer_info = &tx_ring->buffer_info[i];
size = min(len, max_per_txd);
- /* Workaround for premature desc write-backs
- * in TSO mode. Append 4-byte sentinel desc */
- if (mss && f == (nr_frags-1) && size == len && size > 8)
- size -= 4;
buffer_info->length = size;
buffer_info->time_stamp = jiffies;
- buffer_info->dma =
- pci_map_page(adapter->pdev,
- frag->page,
- offset,
- size,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(adapter->pdev,
- buffer_info->dma)) {
- dev_err(&adapter->pdev->dev,
- "TX DMA page map failed\n");
- adapter->tx_dma_failed++;
- return -1;
- }
-
buffer_info->next_to_watch = i;
+ buffer_info->dma = pci_map_page(pdev, frag->page,
+ offset, size,
+ PCI_DMA_TODEVICE);
+ buffer_info->mapped_as_page = true;
+ if (pci_dma_mapping_error(pdev, buffer_info->dma))
+ goto dma_error;
len -= size;
offset += size;
count++;
-
- i++;
- if (i == tx_ring->count)
- i = 0;
}
}
- if (i == 0)
- i = tx_ring->count - 1;
- else
- i--;
-
tx_ring->buffer_info[i].skb = skb;
tx_ring->buffer_info[first].next_to_watch = i;
return count;
+
+dma_error:
+ dev_err(&pdev->dev, "TX DMA map failed\n");
+ buffer_info->dma = 0;
+ if (count)
+ count--;
+
+ while (count--) {
+ if (i==0)
+ i += tx_ring->count;
+ i--;
+ buffer_info = &tx_ring->buffer_info[i];
+ e1000_put_txbuf(adapter, buffer_info);;
+ }
+
+ return 0;
}
static void e1000_tx_queue(struct e1000_adapter *adapter,
u16 length, offset;
if (vlan_tx_tag_present(skb)) {
- if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id)
- && (adapter->hw.mng_cookie.status &
+ if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
+ (adapter->hw.mng_cookie.status &
E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
return 0;
}
}
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
-static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
+ struct net_device *netdev)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_ring *tx_ring = adapter->tx_ring;
unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
unsigned int tx_flags = 0;
unsigned int len = skb->len - skb->data_len;
- unsigned long irq_flags;
unsigned int nr_frags;
unsigned int mss;
int count = 0;
if (adapter->hw.mac.tx_pkt_filtering)
e1000_transfer_dhcp_info(adapter, skb);
- if (!spin_trylock_irqsave(&adapter->tx_queue_lock, irq_flags))
- /* Collision - tell upper layer to requeue */
- return NETDEV_TX_LOCKED;
-
/*
* need: count + 2 desc gap to keep tail from touching
* head, otherwise try next time
*/
- if (e1000_maybe_stop_tx(netdev, count + 2)) {
- spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
+ if (e1000_maybe_stop_tx(netdev, count + 2))
return NETDEV_TX_BUSY;
- }
if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
tx_flags |= E1000_TX_FLAGS_VLAN;
tso = e1000_tso(adapter, skb);
if (tso < 0) {
dev_kfree_skb_any(skb);
- spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
return NETDEV_TX_OK;
}
if (skb->protocol == htons(ETH_P_IP))
tx_flags |= E1000_TX_FLAGS_IPV4;
+ /* if count is 0 then mapping error has occured */
count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
- if (count < 0) {
- /* handle pci_map_single() error in e1000_tx_map */
+ if (count) {
+ e1000_tx_queue(adapter, tx_flags, count);
+ /* Make sure there is space in the ring for the next send. */
+ e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
+
+ } else {
dev_kfree_skb_any(skb);
- spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
- return NETDEV_TX_OK;
+ tx_ring->buffer_info[first].time_stamp = 0;
+ tx_ring->next_to_use = first;
}
- e1000_tx_queue(adapter, tx_flags, count);
-
- netdev->trans_start = jiffies;
-
- /* Make sure there is space in the ring for the next send. */
- e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
-
- spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
return NETDEV_TX_OK;
}
**/
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
{
- struct e1000_adapter *adapter = netdev_priv(netdev);
-
/* only return the current stats */
- return &adapter->net_stats;
+ return &netdev->stats;
}
/**
struct e1000_adapter *adapter = netdev_priv(netdev);
int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
- if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
- (max_frame > MAX_JUMBO_FRAME_SIZE)) {
- e_err("Invalid MTU setting\n");
+ /* Jumbo frame support */
+ if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
+ !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
+ e_err("Jumbo Frames not supported.\n");
return -EINVAL;
}
- /* Jumbo frame size limits */
- if (max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) {
- if (!(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
- e_err("Jumbo Frames not supported.\n");
- return -EINVAL;
- }
- if (adapter->hw.phy.type == e1000_phy_ife) {
- e_err("Jumbo Frames not supported.\n");
- return -EINVAL;
- }
- }
-
-#define MAX_STD_JUMBO_FRAME_SIZE 9234
- if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
- e_err("MTU > 9216 not supported.\n");
+ /* Supported frame sizes */
+ if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
+ (max_frame > adapter->max_hw_frame_size)) {
+ e_err("Unsupported MTU setting\n");
return -EINVAL;
}
while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
msleep(1);
- /* e1000e_down has a dependency on max_frame_size */
+ /* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
adapter->max_frame_size = max_frame;
+ e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
+ netdev->mtu = new_mtu;
if (netif_running(netdev))
e1000e_down(adapter);
* fragmented skbs
*/
- if (max_frame <= 256)
- adapter->rx_buffer_len = 256;
- else if (max_frame <= 512)
- adapter->rx_buffer_len = 512;
- else if (max_frame <= 1024)
- adapter->rx_buffer_len = 1024;
- else if (max_frame <= 2048)
+ if (max_frame <= 2048)
adapter->rx_buffer_len = 2048;
else
adapter->rx_buffer_len = 4096;
adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
+ ETH_FCS_LEN;
- e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
- netdev->mtu = new_mtu;
-
if (netif_running(netdev))
e1000e_up(adapter);
else
data->phy_id = adapter->hw.phy.addr;
break;
case SIOCGMIIREG:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
+ e1000_phy_read_status(adapter);
+
switch (data->reg_num & 0x1F) {
case MII_BMCR:
data->val_out = adapter->phy_regs.bmcr;
}
}
-static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
+static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u32 i, mac_reg;
+ u16 phy_reg;
+ int retval = 0;
+
+ /* copy MAC RARs to PHY RARs */
+ for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) {
+ mac_reg = er32(RAL(i));
+ e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF));
+ e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF));
+ mac_reg = er32(RAH(i));
+ e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF));
+ e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF));
+ }
+
+ /* copy MAC MTA to PHY MTA */
+ for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
+ mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
+ e1e_wphy(hw, BM_MTA(i), (u16)(mac_reg & 0xFFFF));
+ e1e_wphy(hw, BM_MTA(i) + 1, (u16)((mac_reg >> 16) & 0xFFFF));
+ }
+
+ /* configure PHY Rx Control register */
+ e1e_rphy(&adapter->hw, BM_RCTL, &phy_reg);
+ mac_reg = er32(RCTL);
+ if (mac_reg & E1000_RCTL_UPE)
+ phy_reg |= BM_RCTL_UPE;
+ if (mac_reg & E1000_RCTL_MPE)
+ phy_reg |= BM_RCTL_MPE;
+ phy_reg &= ~(BM_RCTL_MO_MASK);
+ if (mac_reg & E1000_RCTL_MO_3)
+ phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
+ << BM_RCTL_MO_SHIFT);
+ if (mac_reg & E1000_RCTL_BAM)
+ phy_reg |= BM_RCTL_BAM;
+ if (mac_reg & E1000_RCTL_PMCF)
+ phy_reg |= BM_RCTL_PMCF;
+ mac_reg = er32(CTRL);
+ if (mac_reg & E1000_CTRL_RFCE)
+ phy_reg |= BM_RCTL_RFCE;
+ e1e_wphy(&adapter->hw, BM_RCTL, phy_reg);
+
+ /* enable PHY wakeup in MAC register */
+ ew32(WUFC, wufc);
+ ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
+
+ /* configure and enable PHY wakeup in PHY registers */
+ e1e_wphy(&adapter->hw, BM_WUFC, wufc);
+ e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
+
+ /* activate PHY wakeup */
+ retval = hw->phy.ops.acquire(hw);
+ if (retval) {
+ e_err("Could not acquire PHY\n");
+ return retval;
+ }
+ e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
+ (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
+ retval = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
+ if (retval) {
+ e_err("Could not read PHY page 769\n");
+ goto out;
+ }
+ phy_reg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
+ retval = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
+ if (retval)
+ e_err("Could not set PHY Host Wakeup bit\n");
+out:
+ hw->phy.ops.release(hw);
+
+ return retval;
+}
+
+static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
#define E1000_CTRL_ADVD3WUC 0x00100000
/* phy power management enable */
#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
- ctrl |= E1000_CTRL_ADVD3WUC |
- E1000_CTRL_EN_PHY_PWR_MGMT;
+ ctrl |= E1000_CTRL_ADVD3WUC;
+ if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
+ ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
ew32(CTRL, ctrl);
if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
e1000_media_type_internal_serdes) {
/* keep the laser running in D3 */
ctrl_ext = er32(CTRL_EXT);
- ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
+ ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
ew32(CTRL_EXT, ctrl_ext);
}
/* Allow time for pending master requests to run */
e1000e_disable_pcie_master(&adapter->hw);
- ew32(WUC, E1000_WUC_PME_EN);
- ew32(WUFC, wufc);
- pci_enable_wake(pdev, PCI_D3hot, 1);
- pci_enable_wake(pdev, PCI_D3cold, 1);
+ if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
+ /* enable wakeup by the PHY */
+ retval = e1000_init_phy_wakeup(adapter, wufc);
+ if (retval)
+ return retval;
+ } else {
+ /* enable wakeup by the MAC */
+ ew32(WUFC, wufc);
+ ew32(WUC, E1000_WUC_PME_EN);
+ }
} else {
ew32(WUC, 0);
ew32(WUFC, 0);
- pci_enable_wake(pdev, PCI_D3hot, 0);
- pci_enable_wake(pdev, PCI_D3cold, 0);
}
+ *enable_wake = !!wufc;
+
/* make sure adapter isn't asleep if manageability is enabled */
- if (adapter->flags & FLAG_MNG_PT_ENABLED) {
- pci_enable_wake(pdev, PCI_D3hot, 1);
- pci_enable_wake(pdev, PCI_D3cold, 1);
- }
+ if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
+ (hw->mac.ops.check_mng_mode(hw)))
+ *enable_wake = true;
if (adapter->hw.phy.type == e1000_phy_igp_3)
e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
pci_disable_device(pdev);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
-
return 0;
}
+static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
+{
+ if (sleep && wake) {
+ pci_prepare_to_sleep(pdev);
+ return;
+ }
+
+ pci_wake_from_d3(pdev, wake);
+ pci_set_power_state(pdev, PCI_D3hot);
+}
+
+static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
+ bool wake)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct e1000_adapter *adapter = netdev_priv(netdev);
+
+ /*
+ * The pci-e switch on some quad port adapters will report a
+ * correctable error when the MAC transitions from D0 to D3. To
+ * prevent this we need to mask off the correctable errors on the
+ * downstream port of the pci-e switch.
+ */
+ if (adapter->flags & FLAG_IS_QUAD_PORT) {
+ struct pci_dev *us_dev = pdev->bus->self;
+ int pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
+ u16 devctl;
+
+ pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
+ pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
+ (devctl & ~PCI_EXP_DEVCTL_CERE));
+
+ e1000_power_off(pdev, sleep, wake);
+
+ pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
+ } else {
+ e1000_power_off(pdev, sleep, wake);
+ }
+}
+
static void e1000e_disable_l1aspm(struct pci_dev *pdev)
{
int pos;
}
#ifdef CONFIG_PM
+static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ int retval;
+ bool wake;
+
+ retval = __e1000_shutdown(pdev, &wake);
+ if (!retval)
+ e1000_complete_shutdown(pdev, true, wake);
+
+ return retval;
+}
+
static int e1000_resume(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
+ pci_save_state(pdev);
e1000e_disable_l1aspm(pdev);
err = pci_enable_device_mem(pdev);
}
e1000e_power_up_phy(adapter);
+
+ /* report the system wakeup cause from S3/S4 */
+ if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
+ u16 phy_data;
+
+ e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
+ if (phy_data) {
+ e_info("PHY Wakeup cause - %s\n",
+ phy_data & E1000_WUS_EX ? "Unicast Packet" :
+ phy_data & E1000_WUS_MC ? "Multicast Packet" :
+ phy_data & E1000_WUS_BC ? "Broadcast Packet" :
+ phy_data & E1000_WUS_MAG ? "Magic Packet" :
+ phy_data & E1000_WUS_LNKC ? "Link Status "
+ " Change" : "other");
+ }
+ e1e_wphy(&adapter->hw, BM_WUS, ~0);
+ } else {
+ u32 wus = er32(WUS);
+ if (wus) {
+ e_info("MAC Wakeup cause - %s\n",
+ wus & E1000_WUS_EX ? "Unicast Packet" :
+ wus & E1000_WUS_MC ? "Multicast Packet" :
+ wus & E1000_WUS_BC ? "Broadcast Packet" :
+ wus & E1000_WUS_MAG ? "Magic Packet" :
+ wus & E1000_WUS_LNKC ? "Link Status Change" :
+ "other");
+ }
+ ew32(WUS, ~0);
+ }
+
e1000e_reset(adapter);
- ew32(WUS, ~0);
e1000_init_manageability(adapter);
static void e1000_shutdown(struct pci_dev *pdev)
{
- e1000_suspend(pdev, PMSG_SUSPEND);
+ bool wake = false;
+
+ __e1000_shutdown(pdev, &wake);
+
+ if (system_state == SYSTEM_POWER_OFF)
+ e1000_complete_shutdown(pdev, false, wake);
}
#ifdef CONFIG_NET_POLL_CONTROLLER
netif_device_detach(netdev);
+ if (state == pci_channel_io_perm_failure)
+ return PCI_ERS_RESULT_DISCONNECT;
+
if (netif_running(netdev))
e1000e_down(adapter);
pci_disable_device(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
int err;
+ pci_ers_result_t result;
e1000e_disable_l1aspm(pdev);
err = pci_enable_device_mem(pdev);
if (err) {
dev_err(&pdev->dev,
"Cannot re-enable PCI device after reset.\n");
- return PCI_ERS_RESULT_DISCONNECT;
- }
- pci_set_master(pdev);
- pci_restore_state(pdev);
+ result = PCI_ERS_RESULT_DISCONNECT;
+ } else {
+ pci_set_master(pdev);
+ pci_restore_state(pdev);
+ pci_save_state(pdev);
- pci_enable_wake(pdev, PCI_D3hot, 0);
- pci_enable_wake(pdev, PCI_D3cold, 0);
+ pci_enable_wake(pdev, PCI_D3hot, 0);
+ pci_enable_wake(pdev, PCI_D3cold, 0);
- e1000e_reset(adapter);
- ew32(WUS, ~0);
+ e1000e_reset(adapter);
+ ew32(WUS, ~0);
+ result = PCI_ERS_RESULT_RECOVERED;
+ }
+
+ pci_cleanup_aer_uncorrect_error_status(pdev);
- return PCI_ERS_RESULT_RECOVERED;
+ return result;
}
/**
return;
ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
- if (!(le16_to_cpu(buf) & (1 << 0))) {
+ if (!ret_val && (!(le16_to_cpu(buf) & (1 << 0)))) {
/* Deep Smart Power Down (DSPD) */
dev_warn(&adapter->pdev->dev,
"Warning: detected DSPD enabled in EEPROM\n");
}
ret_val = e1000_read_nvm(hw, NVM_INIT_3GIO_3, 1, &buf);
- if (le16_to_cpu(buf) & (3 << 2)) {
+ if (!ret_val && (le16_to_cpu(buf) & (3 << 2))) {
/* ASPM enable */
dev_warn(&adapter->pdev->dev,
"Warning: detected ASPM enabled in EEPROM\n");
}
}
+static const struct net_device_ops e1000e_netdev_ops = {
+ .ndo_open = e1000_open,
+ .ndo_stop = e1000_close,
+ .ndo_start_xmit = e1000_xmit_frame,
+ .ndo_get_stats = e1000_get_stats,
+ .ndo_set_multicast_list = e1000_set_multi,
+ .ndo_set_mac_address = e1000_set_mac,
+ .ndo_change_mtu = e1000_change_mtu,
+ .ndo_do_ioctl = e1000_ioctl,
+ .ndo_tx_timeout = e1000_tx_timeout,
+ .ndo_validate_addr = eth_validate_addr,
+
+ .ndo_vlan_rx_register = e1000_vlan_rx_register,
+ .ndo_vlan_rx_add_vid = e1000_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = e1000_vlan_rx_kill_vid,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = e1000_netpoll,
+#endif
+};
+
/**
* e1000_probe - Device Initialization Routine
* @pdev: PCI device information struct
return err;
pci_using_dac = 0;
- err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
if (!err) {
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
if (!err)
pci_using_dac = 1;
} else {
- err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (err) {
err = pci_set_consistent_dma_mask(pdev,
- DMA_32BIT_MASK);
+ DMA_BIT_MASK(32));
if (err) {
dev_err(&pdev->dev, "No usable DMA "
"configuration, aborting\n");
}
}
- err = pci_request_selected_regions(pdev,
+ err = pci_request_selected_regions_exclusive(pdev,
pci_select_bars(pdev, IORESOURCE_MEM),
e1000e_driver_name);
if (err)
goto err_pci_reg;
+ /* AER (Advanced Error Reporting) hooks */
+ pci_enable_pcie_error_reporting(pdev);
+
pci_set_master(pdev);
- pci_save_state(pdev);
+ /* PCI config space info */
+ err = pci_save_state(pdev);
+ if (err)
+ goto err_alloc_etherdev;
err = -ENOMEM;
netdev = alloc_etherdev(sizeof(struct e1000_adapter));
adapter->ei = ei;
adapter->pba = ei->pba;
adapter->flags = ei->flags;
+ adapter->flags2 = ei->flags2;
adapter->hw.adapter = adapter;
adapter->hw.mac.type = ei->mac;
+ adapter->max_hw_frame_size = ei->max_hw_frame_size;
adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
mmio_start = pci_resource_start(pdev, 0);
}
/* construct the net_device struct */
- netdev->open = &e1000_open;
- netdev->stop = &e1000_close;
- netdev->hard_start_xmit = &e1000_xmit_frame;
- netdev->get_stats = &e1000_get_stats;
- netdev->set_multicast_list = &e1000_set_multi;
- netdev->set_mac_address = &e1000_set_mac;
- netdev->change_mtu = &e1000_change_mtu;
- netdev->do_ioctl = &e1000_ioctl;
+ netdev->netdev_ops = &e1000e_netdev_ops;
e1000e_set_ethtool_ops(netdev);
- netdev->tx_timeout = &e1000_tx_timeout;
netdev->watchdog_timeo = 5 * HZ;
netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
- netdev->vlan_rx_register = e1000_vlan_rx_register;
- netdev->vlan_rx_add_vid = e1000_vlan_rx_add_vid;
- netdev->vlan_rx_kill_vid = e1000_vlan_rx_kill_vid;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- netdev->poll_controller = e1000_netpoll;
-#endif
strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
netdev->mem_start = mmio_start;
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
- /*
- * We should not be using LLTX anymore, but we are still Tx faster with
- * it.
- */
- netdev->features |= NETIF_F_LLTX;
-
if (e1000e_enable_mng_pass_thru(&adapter->hw))
adapter->flags |= FLAG_MNG_PT_ENABLED;
e1000_eeprom_checks(adapter);
- /* copy the MAC address out of the NVM */
+ /* copy the MAC address */
if (e1000e_read_mac_addr(&adapter->hw))
e_err("NVM Read Error while reading MAC address\n");
INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
+ INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
/* Initialize link parameters. User can change them with ethtool */
adapter->hw.mac.autoneg = 1;
adapter->fc_autoneg = 1;
- adapter->hw.fc.original_type = e1000_fc_default;
- adapter->hw.fc.type = e1000_fc_default;
+ adapter->hw.fc.requested_mode = e1000_fc_default;
+ adapter->hw.fc.current_mode = e1000_fc_default;
adapter->hw.phy.autoneg_advertised = 0x2f;
/* ring size defaults */
/* APME bit in EEPROM is mapped to WUC.APME */
eeprom_data = er32(WUC);
eeprom_apme_mask = E1000_WUC_APME;
+ if (eeprom_data & E1000_WUC_PHY_WAKE)
+ adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
(adapter->hw.bus.func == 1))
/* initialize the wol settings based on the eeprom settings */
adapter->wol = adapter->eeprom_wol;
+ device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
+
+ /* save off EEPROM version number */
+ e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
/* reset the hardware with the new settings */
e1000e_reset(adapter);
if (!(adapter->flags & FLAG_HAS_AMT))
e1000_get_hw_control(adapter);
- /* tell the stack to leave us alone until e1000_open() is called */
- netif_carrier_off(netdev);
- netif_tx_stop_all_queues(netdev);
-
strcpy(netdev->name, "eth%d");
err = register_netdev(netdev);
if (err)
goto err_register;
+ /* carrier off reporting is important to ethtool even BEFORE open */
+ netif_carrier_off(netdev);
+
e1000_print_device_info(adapter);
return 0;
err_sw_init:
if (adapter->hw.flash_address)
iounmap(adapter->hw.flash_address);
+ e1000e_reset_interrupt_capability(adapter);
err_flashmap:
iounmap(adapter->hw.hw_addr);
err_ioremap:
del_timer_sync(&adapter->watchdog_timer);
del_timer_sync(&adapter->phy_info_timer);
+ cancel_work_sync(&adapter->reset_task);
+ cancel_work_sync(&adapter->watchdog_task);
+ cancel_work_sync(&adapter->downshift_task);
+ cancel_work_sync(&adapter->update_phy_task);
+ cancel_work_sync(&adapter->print_hang_task);
flush_scheduled_work();
+ if (!(netdev->flags & IFF_UP))
+ e1000_power_down_phy(adapter);
+
+ unregister_netdev(netdev);
+
/*
* Release control of h/w to f/w. If f/w is AMT enabled, this
* would have already happened in close and is redundant.
*/
e1000_release_hw_control(adapter);
- unregister_netdev(netdev);
-
- if (!e1000_check_reset_block(&adapter->hw))
- e1000_phy_hw_reset(&adapter->hw);
-
e1000e_reset_interrupt_capability(adapter);
kfree(adapter->tx_ring);
kfree(adapter->rx_ring);
free_netdev(netdev);
+ /* AER disable */
+ pci_disable_pcie_error_reporting(pdev);
+
pci_disable_device(pdev);
}
.resume = e1000_io_resume,
};
-static struct pci_device_id e1000_pci_tbl[] = {
+static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
board_80003es2lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
+
{ } /* terminate list */
};
MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
int ret;
printk(KERN_INFO "%s: Intel(R) PRO/1000 Network Driver - %s\n",
e1000e_driver_name, e1000e_driver_version);
- printk(KERN_INFO "%s: Copyright (c) 1999-2008 Intel Corporation.\n",
+ printk(KERN_INFO "%s: Copyright (c) 1999 - 2009 Intel Corporation.\n",
e1000e_driver_name);
ret = pci_register_driver(&e1000_driver);
- pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY, e1000e_driver_name,
- PM_QOS_DEFAULT_VALUE);
-
+
return ret;
}
module_init(e1000_init_module);
static void __exit e1000_exit_module(void)
{
pci_unregister_driver(&e1000_driver);
- pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY, e1000e_driver_name);
}
module_exit(e1000_exit_module);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff