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path: root/drivers/net/ethernet/intel/e1000e/netdev.c
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Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/netdev.c')
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c699
1 files changed, 577 insertions, 122 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 643c883..a177b8b 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2012 Intel Corporation.
+ Copyright(c) 1999 - 2013 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,
@@ -42,7 +42,6 @@
#include <linux/slab.h>
#include <net/checksum.h>
#include <net/ip6_checksum.h>
-#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#include <linux/cpu.h>
@@ -56,7 +55,7 @@
#define DRV_EXTRAVERSION "-k"
-#define DRV_VERSION "2.1.4" DRV_EXTRAVERSION
+#define DRV_VERSION "2.2.14" DRV_EXTRAVERSION
char e1000e_driver_name[] = "e1000e";
const char e1000e_driver_version[] = DRV_VERSION;
@@ -87,20 +86,7 @@ struct e1000_reg_info {
char *name;
};
-#define E1000_RDFH 0x02410 /* Rx Data FIFO Head - RW */
-#define E1000_RDFT 0x02418 /* Rx Data FIFO Tail - RW */
-#define E1000_RDFHS 0x02420 /* Rx Data FIFO Head Saved - RW */
-#define E1000_RDFTS 0x02428 /* Rx Data FIFO Tail Saved - RW */
-#define E1000_RDFPC 0x02430 /* Rx Data FIFO Packet Count - RW */
-
-#define E1000_TDFH 0x03410 /* Tx Data FIFO Head - RW */
-#define E1000_TDFT 0x03418 /* Tx Data FIFO Tail - RW */
-#define E1000_TDFHS 0x03420 /* Tx Data FIFO Head Saved - RW */
-#define E1000_TDFTS 0x03428 /* Tx Data FIFO Tail Saved - RW */
-#define E1000_TDFPC 0x03430 /* Tx Data FIFO Packet Count - RW */
-
static const struct e1000_reg_info e1000_reg_info_tbl[] = {
-
/* General Registers */
{E1000_CTRL, "CTRL"},
{E1000_STATUS, "STATUS"},
@@ -488,20 +474,87 @@ static int e1000_desc_unused(struct e1000_ring *ring)
}
/**
+ * e1000e_systim_to_hwtstamp - convert system time value to hw time stamp
+ * @adapter: board private structure
+ * @hwtstamps: time stamp structure to update
+ * @systim: unsigned 64bit system time value.
+ *
+ * Convert the system time value stored in the RX/TXSTMP registers into a
+ * hwtstamp which can be used by the upper level time stamping functions.
+ *
+ * The 'systim_lock' spinlock is used to protect the consistency of the
+ * system time value. This is needed because reading the 64 bit time
+ * value involves reading two 32 bit registers. The first read latches the
+ * value.
+ **/
+static void e1000e_systim_to_hwtstamp(struct e1000_adapter *adapter,
+ struct skb_shared_hwtstamps *hwtstamps,
+ u64 systim)
+{
+ u64 ns;
+ unsigned long flags;
+
+ spin_lock_irqsave(&adapter->systim_lock, flags);
+ ns = timecounter_cyc2time(&adapter->tc, systim);
+ spin_unlock_irqrestore(&adapter->systim_lock, flags);
+
+ memset(hwtstamps, 0, sizeof(*hwtstamps));
+ hwtstamps->hwtstamp = ns_to_ktime(ns);
+}
+
+/**
+ * e1000e_rx_hwtstamp - utility function which checks for Rx time stamp
+ * @adapter: board private structure
+ * @status: descriptor extended error and status field
+ * @skb: particular skb to include time stamp
+ *
+ * If the time stamp is valid, convert it into the timecounter ns value
+ * and store that result into the shhwtstamps structure which is passed
+ * up the network stack.
+ **/
+static void e1000e_rx_hwtstamp(struct e1000_adapter *adapter, u32 status,
+ struct sk_buff *skb)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u64 rxstmp;
+
+ if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP) ||
+ !(status & E1000_RXDEXT_STATERR_TST) ||
+ !(er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID))
+ return;
+
+ /* The Rx time stamp registers contain the time stamp. No other
+ * received packet will be time stamped until the Rx time stamp
+ * registers are read. Because only one packet can be time stamped
+ * at a time, the register values must belong to this packet and
+ * therefore none of the other additional attributes need to be
+ * compared.
+ */
+ rxstmp = (u64)er32(RXSTMPL);
+ rxstmp |= (u64)er32(RXSTMPH) << 32;
+ e1000e_systim_to_hwtstamp(adapter, skb_hwtstamps(skb), rxstmp);
+
+ adapter->flags2 &= ~FLAG2_CHECK_RX_HWTSTAMP;
+}
+
+/**
* e1000_receive_skb - helper function to handle Rx indications
* @adapter: board private structure
- * @status: descriptor status field as written by hardware
+ * @staterr: descriptor extended error and status field as written by hardware
* @vlan: descriptor vlan field as written by hardware (no le/be conversion)
* @skb: pointer to sk_buff to be indicated to stack
**/
static void e1000_receive_skb(struct e1000_adapter *adapter,
struct net_device *netdev, struct sk_buff *skb,
- u8 status, __le16 vlan)
+ u32 staterr, __le16 vlan)
{
u16 tag = le16_to_cpu(vlan);
+
+ e1000e_rx_hwtstamp(adapter, staterr, skb);
+
skb->protocol = eth_type_trans(skb, netdev);
- if (status & E1000_RXD_STAT_VP)
+ if (staterr & E1000_RXD_STAT_VP)
__vlan_hwaccel_put_tag(skb, tag);
napi_gro_receive(&adapter->napi, skb);
@@ -765,7 +818,7 @@ static void e1000_alloc_jumbo_rx_buffers(struct e1000_ring *rx_ring,
struct e1000_buffer *buffer_info;
struct sk_buff *skb;
unsigned int i;
- unsigned int bufsz = 256 - 16 /* for skb_reserve */;
+ unsigned int bufsz = 256 - 16; /* for skb_reserve */
i = rx_ring->next_to_use;
buffer_info = &rx_ring->buffer_info[i];
@@ -1050,9 +1103,9 @@ static void e1000_print_hw_hang(struct work_struct *work)
adapter->tx_hang_recheck = false;
netif_stop_queue(netdev);
- 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);
+ e1e_rphy(hw, MII_BMSR, &phy_status);
+ e1e_rphy(hw, MII_STAT1000, &phy_1000t_status);
+ e1e_rphy(hw, MII_ESTATUS, &phy_ext_status);
pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
@@ -1092,6 +1145,41 @@ static void e1000_print_hw_hang(struct work_struct *work)
}
/**
+ * e1000e_tx_hwtstamp_work - check for Tx time stamp
+ * @work: pointer to work struct
+ *
+ * This work function polls the TSYNCTXCTL valid bit to determine when a
+ * timestamp has been taken for the current stored skb. The timestamp must
+ * be for this skb because only one such packet is allowed in the queue.
+ */
+static void e1000e_tx_hwtstamp_work(struct work_struct *work)
+{
+ struct e1000_adapter *adapter = container_of(work, struct e1000_adapter,
+ tx_hwtstamp_work);
+ struct e1000_hw *hw = &adapter->hw;
+
+ if (!adapter->tx_hwtstamp_skb)
+ return;
+
+ if (er32(TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID) {
+ struct skb_shared_hwtstamps shhwtstamps;
+ u64 txstmp;
+
+ txstmp = er32(TXSTMPL);
+ txstmp |= (u64)er32(TXSTMPH) << 32;
+
+ e1000e_systim_to_hwtstamp(adapter, &shhwtstamps, txstmp);
+
+ skb_tstamp_tx(adapter->tx_hwtstamp_skb, &shhwtstamps);
+ dev_kfree_skb_any(adapter->tx_hwtstamp_skb);
+ adapter->tx_hwtstamp_skb = NULL;
+ } else {
+ /* reschedule to check later */
+ schedule_work(&adapter->tx_hwtstamp_work);
+ }
+}
+
+/**
* e1000_clean_tx_irq - Reclaim resources after transmit completes
* @tx_ring: Tx descriptor ring
*
@@ -1345,8 +1433,8 @@ copydone:
cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
adapter->rx_hdr_split++;
- e1000_receive_skb(adapter, netdev, skb,
- staterr, rx_desc->wb.middle.vlan);
+ e1000_receive_skb(adapter, netdev, skb, staterr,
+ rx_desc->wb.middle.vlan);
next_desc:
rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
@@ -1645,7 +1733,7 @@ static void e1000e_downshift_workaround(struct work_struct *work)
* @irq: interrupt number
* @data: pointer to a network interface device structure
**/
-static irqreturn_t e1000_intr_msi(int irq, void *data)
+static irqreturn_t e1000_intr_msi(int __always_unused irq, void *data)
{
struct net_device *netdev = data;
struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -1671,7 +1759,7 @@ static irqreturn_t e1000_intr_msi(int irq, void *data)
/* disable receives */
u32 rctl = er32(RCTL);
ew32(RCTL, rctl & ~E1000_RCTL_EN);
- adapter->flags |= FLAG_RX_RESTART_NOW;
+ adapter->flags |= FLAG_RESTART_NOW;
}
/* guard against interrupt when we're going down */
if (!test_bit(__E1000_DOWN, &adapter->state))
@@ -1711,7 +1799,7 @@ static irqreturn_t e1000_intr_msi(int irq, void *data)
* @irq: interrupt number
* @data: pointer to a network interface device structure
**/
-static irqreturn_t e1000_intr(int irq, void *data)
+static irqreturn_t e1000_intr(int __always_unused irq, void *data)
{
struct net_device *netdev = data;
struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -1751,7 +1839,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
/* disable receives */
rctl = er32(RCTL);
ew32(RCTL, rctl & ~E1000_RCTL_EN);
- adapter->flags |= FLAG_RX_RESTART_NOW;
+ adapter->flags |= FLAG_RESTART_NOW;
}
/* guard against interrupt when we're going down */
if (!test_bit(__E1000_DOWN, &adapter->state))
@@ -1786,7 +1874,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
return IRQ_HANDLED;
}
-static irqreturn_t e1000_msix_other(int irq, void *data)
+static irqreturn_t e1000_msix_other(int __always_unused irq, void *data)
{
struct net_device *netdev = data;
struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -1818,8 +1906,7 @@ no_link_interrupt:
return IRQ_HANDLED;
}
-
-static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
+static irqreturn_t e1000_intr_msix_tx(int __always_unused irq, void *data)
{
struct net_device *netdev = data;
struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -1837,7 +1924,7 @@ static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
return IRQ_HANDLED;
}
-static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
+static irqreturn_t e1000_intr_msix_rx(int __always_unused irq, void *data)
{
struct net_device *netdev = data;
struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -1924,7 +2011,6 @@ static void e1000_configure_msix(struct e1000_adapter *adapter)
ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
/* Auto-Mask Other interrupts upon ICR read */
-#define E1000_EIAC_MASK_82574 0x01F00000
ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
ctrl_ext |= E1000_CTRL_EXT_EIAME;
ew32(CTRL_EXT, ctrl_ext);
@@ -2394,9 +2480,7 @@ void e1000e_free_rx_resources(struct e1000_ring *rx_ring)
* while increasing bulk throughput. This functionality is controlled
* by the InterruptThrottleRate module parameter.
**/
-static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
- u16 itr_setting, int packets,
- int bytes)
+static unsigned int e1000_update_itr(u16 itr_setting, int packets, int bytes)
{
unsigned int retval = itr_setting;
@@ -2441,7 +2525,6 @@ static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
static void e1000_set_itr(struct e1000_adapter *adapter)
{
- struct e1000_hw *hw = &adapter->hw;
u16 current_itr;
u32 new_itr = adapter->itr;
@@ -2457,18 +2540,16 @@ static void e1000_set_itr(struct e1000_adapter *adapter)
goto set_itr_now;
}
- adapter->tx_itr = e1000_update_itr(adapter,
- adapter->tx_itr,
- adapter->total_tx_packets,
- adapter->total_tx_bytes);
+ adapter->tx_itr = e1000_update_itr(adapter->tx_itr,
+ adapter->total_tx_packets,
+ adapter->total_tx_bytes);
/* conservative mode (itr 3) eliminates the lowest_latency setting */
if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
adapter->tx_itr = low_latency;
- adapter->rx_itr = e1000_update_itr(adapter,
- adapter->rx_itr,
- adapter->total_rx_packets,
- adapter->total_rx_bytes);
+ adapter->rx_itr = e1000_update_itr(adapter->rx_itr,
+ adapter->total_rx_packets,
+ adapter->total_rx_bytes);
/* conservative mode (itr 3) eliminates the lowest_latency setting */
if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
adapter->rx_itr = low_latency;
@@ -2504,10 +2585,7 @@ set_itr_now:
if (adapter->msix_entries)
adapter->rx_ring->set_itr = 1;
else
- if (new_itr)
- ew32(ITR, 1000000000 / (new_itr * 256));
- else
- ew32(ITR, 0);
+ e1000e_write_itr(adapter, new_itr);
}
}
@@ -3049,7 +3127,7 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
ew32(RCTL, rctl);
/* just started the receive unit, no need to restart */
- adapter->flags &= ~FLAG_RX_RESTART_NOW;
+ adapter->flags &= ~FLAG_RESTART_NOW;
}
/**
@@ -3144,18 +3222,23 @@ static void e1000_configure_rx(struct e1000_adapter *adapter)
rxcsum &= ~E1000_RXCSUM_TUOFL;
ew32(RXCSUM, rxcsum);
- if (adapter->hw.mac.type == e1000_pch2lan) {
- /* With jumbo frames, excessive C-state transition
- * latencies result in dropped transactions.
- */
- if (adapter->netdev->mtu > ETH_DATA_LEN) {
+ /* With jumbo frames, excessive C-state transition latencies result
+ * in dropped transactions.
+ */
+ if (adapter->netdev->mtu > ETH_DATA_LEN) {
+ u32 lat =
+ ((er32(PBA) & E1000_PBA_RXA_MASK) * 1024 -
+ adapter->max_frame_size) * 8 / 1000;
+
+ if (adapter->flags & FLAG_IS_ICH) {
u32 rxdctl = er32(RXDCTL(0));
ew32(RXDCTL(0), rxdctl | 0x3);
- pm_qos_update_request(&adapter->netdev->pm_qos_req, 55);
- } else {
- pm_qos_update_request(&adapter->netdev->pm_qos_req,
- PM_QOS_DEFAULT_VALUE);
}
+
+ pm_qos_update_request(&adapter->netdev->pm_qos_req, lat);
+ } else {
+ pm_qos_update_request(&adapter->netdev->pm_qos_req,
+ PM_QOS_DEFAULT_VALUE);
}
/* Enable Receives */
@@ -3344,6 +3427,241 @@ static void e1000e_setup_rss_hash(struct e1000_adapter *adapter)
}
/**
+ * e1000e_get_base_timinca - get default SYSTIM time increment attributes
+ * @adapter: board private structure
+ * @timinca: pointer to returned time increment attributes
+ *
+ * Get attributes for incrementing the System Time Register SYSTIML/H at
+ * the default base frequency, and set the cyclecounter shift value.
+ **/
+s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u32 incvalue, incperiod, shift;
+
+ /* Make sure clock is enabled on I217 before checking the frequency */
+ if ((hw->mac.type == e1000_pch_lpt) &&
+ !(er32(TSYNCTXCTL) & E1000_TSYNCTXCTL_ENABLED) &&
+ !(er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_ENABLED)) {
+ u32 fextnvm7 = er32(FEXTNVM7);
+
+ if (!(fextnvm7 & (1 << 0))) {
+ ew32(FEXTNVM7, fextnvm7 | (1 << 0));
+ e1e_flush();
+ }
+ }
+
+ switch (hw->mac.type) {
+ case e1000_pch2lan:
+ case e1000_pch_lpt:
+ /* On I217, the clock frequency is 25MHz or 96MHz as
+ * indicated by the System Clock Frequency Indication
+ */
+ if ((hw->mac.type != e1000_pch_lpt) ||
+ (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI)) {
+ /* Stable 96MHz frequency */
+ incperiod = INCPERIOD_96MHz;
+ incvalue = INCVALUE_96MHz;
+ shift = INCVALUE_SHIFT_96MHz;
+ adapter->cc.shift = shift + INCPERIOD_SHIFT_96MHz;
+ break;
+ }
+ /* fall-through */
+ case e1000_82574:
+ case e1000_82583:
+ /* Stable 25MHz frequency */
+ incperiod = INCPERIOD_25MHz;
+ incvalue = INCVALUE_25MHz;
+ shift = INCVALUE_SHIFT_25MHz;
+ adapter->cc.shift = shift;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ *timinca = ((incperiod << E1000_TIMINCA_INCPERIOD_SHIFT) |
+ ((incvalue << shift) & E1000_TIMINCA_INCVALUE_MASK));
+
+ return 0;
+}
+
+/**
+ * e1000e_config_hwtstamp - configure the hwtstamp registers and enable/disable
+ * @adapter: board private structure
+ *
+ * Outgoing time stamping can be enabled and disabled. Play nice and
+ * disable it when requested, although it shouldn't cause any overhead
+ * when no packet needs it. At most one packet in the queue may be
+ * marked for time stamping, otherwise it would be impossible to tell
+ * for sure to which packet the hardware time stamp belongs.
+ *
+ * Incoming time stamping has to be configured via the hardware filters.
+ * Not all combinations are supported, in particular event type has to be
+ * specified. Matching the kind of event packet is not supported, with the
+ * exception of "all V2 events regardless of level 2 or 4".
+ **/
+static int e1000e_config_hwtstamp(struct e1000_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ struct hwtstamp_config *config = &adapter->hwtstamp_config;
+ u32 tsync_tx_ctl = E1000_TSYNCTXCTL_ENABLED;
+ u32 tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED;
+ u32 rxmtrl = 0;
+ u16 rxudp = 0;
+ bool is_l4 = false;
+ bool is_l2 = false;
+ u32 regval;
+ s32 ret_val;
+
+ if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
+ return -EINVAL;
+
+ /* flags reserved for future extensions - must be zero */
+ if (config->flags)
+ return -EINVAL;
+
+ switch (config->tx_type) {
+ case HWTSTAMP_TX_OFF:
+ tsync_tx_ctl = 0;
+ break;
+ case HWTSTAMP_TX_ON:
+ break;
+ default:
+ return -ERANGE;
+ }
+
+ switch (config->rx_filter) {
+ case HWTSTAMP_FILTER_NONE:
+ tsync_rx_ctl = 0;
+ break;
+ case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
+ tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1;
+ rxmtrl = E1000_RXMTRL_PTP_V1_SYNC_MESSAGE;
+ is_l4 = true;
+ break;
+ case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
+ tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1;
+ rxmtrl = E1000_RXMTRL_PTP_V1_DELAY_REQ_MESSAGE;
+ is_l4 = true;
+ break;
+ case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
+ /* Also time stamps V2 L2 Path Delay Request/Response */
+ tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_V2;
+ rxmtrl = E1000_RXMTRL_PTP_V2_SYNC_MESSAGE;
+ is_l2 = true;
+ break;
+ case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
+ /* Also time stamps V2 L2 Path Delay Request/Response. */
+ tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_V2;
+ rxmtrl = E1000_RXMTRL_PTP_V2_DELAY_REQ_MESSAGE;
+ is_l2 = true;
+ break;
+ case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
+ /* Hardware cannot filter just V2 L4 Sync messages;
+ * fall-through to V2 (both L2 and L4) Sync.
+ */
+ case HWTSTAMP_FILTER_PTP_V2_SYNC:
+ /* Also time stamps V2 Path Delay Request/Response. */
+ tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
+ rxmtrl = E1000_RXMTRL_PTP_V2_SYNC_MESSAGE;
+ is_l2 = true;
+ is_l4 = true;
+ break;
+ case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
+ /* Hardware cannot filter just V2 L4 Delay Request messages;
+ * fall-through to V2 (both L2 and L4) Delay Request.
+ */
+ case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
+ /* Also time stamps V2 Path Delay Request/Response. */
+ tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
+ rxmtrl = E1000_RXMTRL_PTP_V2_DELAY_REQ_MESSAGE;
+ is_l2 = true;
+ is_l4 = true;
+ break;
+ case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
+ case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
+ /* Hardware cannot filter just V2 L4 or L2 Event messages;
+ * fall-through to all V2 (both L2 and L4) Events.
+ */
+ case HWTSTAMP_FILTER_PTP_V2_EVENT:
+ tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_EVENT_V2;
+ config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
+ is_l2 = true;
+ is_l4 = true;
+ break;
+ case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
+ /* For V1, the hardware can only filter Sync messages or
+ * Delay Request messages but not both so fall-through to
+ * time stamp all packets.
+ */
+ case HWTSTAMP_FILTER_ALL:
+ is_l2 = true;
+ is_l4 = true;
+ tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL;
+ config->rx_filter = HWTSTAMP_FILTER_ALL;
+ break;
+ default:
+ return -ERANGE;
+ }
+
+ /* enable/disable Tx h/w time stamping */
+ regval = er32(TSYNCTXCTL);
+ regval &= ~E1000_TSYNCTXCTL_ENABLED;
+ regval |= tsync_tx_ctl;
+ ew32(TSYNCTXCTL, regval);
+ if ((er32(TSYNCTXCTL) & E1000_TSYNCTXCTL_ENABLED) !=
+ (regval & E1000_TSYNCTXCTL_ENABLED)) {
+ e_err("Timesync Tx Control register not set as expected\n");
+ return -EAGAIN;
+ }
+
+ /* enable/disable Rx h/w time stamping */
+ regval = er32(TSYNCRXCTL);
+ regval &= ~(E1000_TSYNCRXCTL_ENABLED | E1000_TSYNCRXCTL_TYPE_MASK);
+ regval |= tsync_rx_ctl;
+ ew32(TSYNCRXCTL, regval);
+ if ((er32(TSYNCRXCTL) & (E1000_TSYNCRXCTL_ENABLED |
+ E1000_TSYNCRXCTL_TYPE_MASK)) !=
+ (regval & (E1000_TSYNCRXCTL_ENABLED |
+ E1000_TSYNCRXCTL_TYPE_MASK))) {
+ e_err("Timesync Rx Control register not set as expected\n");
+ return -EAGAIN;
+ }
+
+ /* L2: define ethertype filter for time stamped packets */
+ if (is_l2)
+ rxmtrl |= ETH_P_1588;
+
+ /* define which PTP packets get time stamped */
+ ew32(RXMTRL, rxmtrl);
+
+ /* Filter by destination port */
+ if (is_l4) {
+ rxudp = PTP_EV_PORT;
+ cpu_to_be16s(&rxudp);
+ }
+ ew32(RXUDP, rxudp);
+
+ e1e_flush();
+
+ /* Clear TSYNCRXCTL_VALID & TSYNCTXCTL_VALID bit */
+ er32(RXSTMPH);
+ er32(TXSTMPH);
+
+ /* Get and set the System Time Register SYSTIM base frequency */
+ ret_val = e1000e_get_base_timinca(adapter, &regval);
+ if (ret_val)
+ return ret_val;
+ ew32(TIMINCA, regval);
+
+ /* reset the ns time counter */
+ timecounter_init(&adapter->tc, &adapter->cc,
+ ktime_to_ns(ktime_get_real()));
+
+ return 0;
+}
+
+/**
* e1000_configure - configure the hardware for Rx and Tx
* @adapter: private board structure
**/
@@ -3509,14 +3827,17 @@ void e1000e_reset(struct e1000_adapter *adapter)
break;
case e1000_pch2lan:
case e1000_pch_lpt:
- fc->high_water = 0x05C20;
- fc->low_water = 0x05048;
- fc->pause_time = 0x0650;
fc->refresh_time = 0x0400;
- if (adapter->netdev->mtu > ETH_DATA_LEN) {
- pba = 14;
- ew32(PBA, pba);
+
+ if (adapter->netdev->mtu <= ETH_DATA_LEN) {
+ fc->high_water = 0x05C20;
+ fc->low_water = 0x05048;
+ fc->pause_time = 0x0650;
+ break;
}
+
+ fc->high_water = ((pba << 10) * 9 / 10) & E1000_FCRTH_RTH;
+ fc->low_water = ((pba << 10) * 8 / 10) & E1000_FCRTL_RTL;
break;
}
@@ -3569,6 +3890,9 @@ void e1000e_reset(struct e1000_adapter *adapter)
e1000e_reset_adaptive(hw);
+ /* initialize systim and reset the ns time counter */
+ e1000e_config_hwtstamp(adapter);
+
if (!netif_running(adapter->netdev) &&
!test_bit(__E1000_TESTING, &adapter->state)) {
e1000_power_down_phy(adapter);
@@ -3705,6 +4029,24 @@ void e1000e_reinit_locked(struct e1000_adapter *adapter)
}
/**
+ * e1000e_cyclecounter_read - read raw cycle counter (used by time counter)
+ * @cc: cyclecounter structure
+ **/
+static cycle_t e1000e_cyclecounter_read(const struct cyclecounter *cc)
+{
+ struct e1000_adapter *adapter = container_of(cc, struct e1000_adapter,
+ cc);
+ struct e1000_hw *hw = &adapter->hw;
+ cycle_t systim;
+
+ /* latch SYSTIMH on read of SYSTIML */
+ systim = (cycle_t)er32(SYSTIML);
+ systim |= (cycle_t)er32(SYSTIMH) << 32;
+
+ return systim;
+}
+
+/**
* e1000_sw_init - Initialize general software structures (struct e1000_adapter)
* @adapter: board private structure to initialize
*
@@ -3730,6 +4072,17 @@ static int e1000_sw_init(struct e1000_adapter *adapter)
if (e1000_alloc_queues(adapter))
return -ENOMEM;
+ /* Setup hardware time stamping cyclecounter */
+ if (adapter->flags & FLAG_HAS_HW_TIMESTAMP) {
+ adapter->cc.read = e1000e_cyclecounter_read;
+ adapter->cc.mask = CLOCKSOURCE_MASK(64);
+ adapter->cc.mult = 1;
+ /* cc.shift set in e1000e_get_base_tininca() */
+
+ spin_lock_init(&adapter->systim_lock);
+ INIT_WORK(&adapter->tx_hwtstamp_work, e1000e_tx_hwtstamp_work);
+ }
+
/* Explicitly disable IRQ since the NIC can be in any state. */
e1000_irq_disable(adapter);
@@ -3742,7 +4095,7 @@ static int e1000_sw_init(struct e1000_adapter *adapter)
* @irq: interrupt number
* @data: pointer to a network interface device structure
**/
-static irqreturn_t e1000_intr_msi_test(int irq, void *data)
+static irqreturn_t e1000_intr_msi_test(int __always_unused irq, void *data)
{
struct net_device *netdev = data;
struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -3913,10 +4266,8 @@ static int e1000_open(struct net_device *netdev)
e1000_update_mng_vlan(adapter);
/* DMA latency requirement to workaround jumbo issue */
- if (adapter->hw.mac.type == e1000_pch2lan)
- pm_qos_add_request(&adapter->netdev->pm_qos_req,
- PM_QOS_CPU_DMA_LATENCY,
- PM_QOS_DEFAULT_VALUE);
+ pm_qos_add_request(&adapter->netdev->pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
+ PM_QOS_DEFAULT_VALUE);
/* before we allocate an interrupt, we must be ready to handle it.
* Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
@@ -4024,8 +4375,7 @@ static int e1000_close(struct net_device *netdev)
!test_bit(__E1000_TESTING, &adapter->state))
e1000e_release_hw_control(adapter);
- if (adapter->hw.mac.type == e1000_pch2lan)
- pm_qos_remove_request(&adapter->netdev->pm_qos_req);
+ pm_qos_remove_request(&adapter->netdev->pm_qos_req);
pm_runtime_put_sync(&pdev->dev);
@@ -4312,14 +4662,14 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter)
(adapter->hw.phy.media_type == e1000_media_type_copper)) {
int ret_val;
- ret_val = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
- ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
- ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
- ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
- ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
- ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
- ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
- ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
+ ret_val = e1e_rphy(hw, MII_BMCR, &phy->bmcr);
+ ret_val |= e1e_rphy(hw, MII_BMSR, &phy->bmsr);
+ ret_val |= e1e_rphy(hw, MII_ADVERTISE, &phy->advertise);
+ ret_val |= e1e_rphy(hw, MII_LPA, &phy->lpa);
+ ret_val |= e1e_rphy(hw, MII_EXPANSION, &phy->expansion);
+ ret_val |= e1e_rphy(hw, MII_CTRL1000, &phy->ctrl1000);
+ ret_val |= e1e_rphy(hw, MII_STAT1000, &phy->stat1000);
+ ret_val |= e1e_rphy(hw, MII_ESTATUS, &phy->estatus);
if (ret_val)
e_warn("Error reading PHY register\n");
} else {
@@ -4346,9 +4696,8 @@ static void e1000_print_link_info(struct e1000_adapter *adapter)
u32 ctrl = er32(CTRL);
/* Link status message must follow this format for user tools */
- printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
- adapter->netdev->name,
- adapter->link_speed,
+ pr_info("%s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
+ adapter->netdev->name, adapter->link_speed,
adapter->link_duplex == FULL_DUPLEX ? "Full" : "Half",
(ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE) ? "Rx/Tx" :
(ctrl & E1000_CTRL_RFCE) ? "Rx" :
@@ -4401,11 +4750,11 @@ static void e1000e_enable_receives(struct e1000_adapter *adapter)
{
/* make sure the receive unit is started */
if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
- (adapter->flags & FLAG_RX_RESTART_NOW)) {
+ (adapter->flags & FLAG_RESTART_NOW)) {
struct e1000_hw *hw = &adapter->hw;
u32 rctl = er32(RCTL);
ew32(RCTL, rctl | E1000_RCTL_EN);
- adapter->flags &= ~FLAG_RX_RESTART_NOW;
+ adapter->flags &= ~FLAG_RESTART_NOW;
}
}
@@ -4481,6 +4830,13 @@ static void e1000_watchdog_task(struct work_struct *work)
&adapter->link_speed,
&adapter->link_duplex);
e1000_print_link_info(adapter);
+
+ /* check if SmartSpeed worked */
+ e1000e_check_downshift(hw);
+ if (phy->speed_downgraded)
+ netdev_warn(netdev,
+ "Link Speed was downgraded by SmartSpeed\n");
+
/* On supported PHYs, check for duplex mismatch only
* if link has autonegotiated at 10/100 half
*/
@@ -4492,9 +4848,9 @@ static void e1000_watchdog_task(struct work_struct *work)
(adapter->link_duplex == HALF_DUPLEX)) {
u16 autoneg_exp;
- e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
+ e1e_rphy(hw, MII_EXPANSION, &autoneg_exp);
- if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
+ if (!(autoneg_exp & EXPANSION_NWAY))
e_info("Autonegotiated half duplex but link partner cannot autoneg. Try forcing full duplex if link gets many collisions.\n");
}
@@ -4567,15 +4923,22 @@ static void e1000_watchdog_task(struct work_struct *work)
adapter->link_speed = 0;
adapter->link_duplex = 0;
/* Link status message must follow this format */
- printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
- adapter->netdev->name);
+ pr_info("%s NIC Link is Down\n", adapter->netdev->name);
netif_carrier_off(netdev);
if (!test_bit(__E1000_DOWN, &adapter->state))
mod_timer(&adapter->phy_info_timer,
round_jiffies(jiffies + 2 * HZ));
- if (adapter->flags & FLAG_RX_NEEDS_RESTART)
- schedule_work(&adapter->reset_task);
+ /* The link is lost so the controller stops DMA.
+ * If there is queued Tx work that cannot be done
+ * or if on an 8000ES2LAN which requires a Rx packet
+ * buffer work-around on link down event, reset the
+ * controller to flush the Tx/Rx packet buffers.
+ * (Do the reset outside of interrupt context).
+ */
+ if ((adapter->flags & FLAG_RX_NEEDS_RESTART) ||
+ (e1000_desc_unused(tx_ring) + 1 < tx_ring->count))
+ adapter->flags |= FLAG_RESTART_NOW;
else
pm_schedule_suspend(netdev->dev.parent,
LINK_TIMEOUT);
@@ -4597,20 +4960,14 @@ link_up:
adapter->gotc_old = adapter->stats.gotc;
spin_unlock(&adapter->stats64_lock);
- e1000e_update_adaptive(&adapter->hw);
-
- if (!netif_carrier_ok(netdev) &&
- (e1000_desc_unused(tx_ring) + 1 < tx_ring->count)) {
- /* We've lost link, so the controller stops DMA,
- * but we've got queued Tx work that's never going
- * to get done, so reset controller to flush Tx.
- * (Do the reset outside of interrupt context).
- */
+ if (adapter->flags & FLAG_RESTART_NOW) {
schedule_work(&adapter->reset_task);
/* return immediately since reset is imminent */
return;
}
+ e1000e_update_adaptive(&adapter->hw);
+
/* Simple mode for Interrupt Throttle Rate (ITR) */
if (adapter->itr_setting == 4) {
/* Symmetric Tx/Rx gets a reduced ITR=2000;
@@ -4647,6 +5004,17 @@ link_up:
if (adapter->flags2 & FLAG2_CHECK_PHY_HANG)
e1000e_check_82574_phy_workaround(adapter);
+ /* Clear valid timestamp stuck in RXSTMPL/H due to a Rx error */
+ if (adapter->hwtstamp_config.rx_filter != HWTSTAMP_FILTER_NONE) {
+ if ((adapter->flags2 & FLAG2_CHECK_RX_HWTSTAMP) &&
+ (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID)) {
+ er32(RXSTMPH);
+ adapter->rx_hwtstamp_cleared++;
+ } else {
+ adapter->flags2 |= FLAG2_CHECK_RX_HWTSTAMP;
+ }
+ }
+
/* Reset the timer */
if (!test_bit(__E1000_DOWN, &adapter->state))
mod_timer(&adapter->watchdog_timer,
@@ -4658,6 +5026,7 @@ link_up:
#define E1000_TX_FLAGS_TSO 0x00000004
#define E1000_TX_FLAGS_IPV4 0x00000008
#define E1000_TX_FLAGS_NO_FCS 0x00000010
+#define E1000_TX_FLAGS_HWTSTAMP 0x00000020
#define E1000_TX_FLAGS_VLAN_MASK 0xffff0000
#define E1000_TX_FLAGS_VLAN_SHIFT 16
@@ -4916,6 +5285,11 @@ static void e1000_tx_queue(struct e1000_ring *tx_ring, int tx_flags, int count)
if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
txd_lower &= ~(E1000_TXD_CMD_IFCS);
+ if (unlikely(tx_flags & E1000_TX_FLAGS_HWTSTAMP)) {
+ txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
+ txd_upper |= E1000_TXD_EXTCMD_TSTAMP;
+ }
+
i = tx_ring->next_to_use;
do {
@@ -4964,12 +5338,11 @@ static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
struct e1000_hw *hw = &adapter->hw;
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 &
- E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
- return 0;
- }
+ if (vlan_tx_tag_present(skb) &&
+ !((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
+ (adapter->hw.mng_cookie.status &
+ E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
+ return 0;
if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
return 0;
@@ -5140,7 +5513,15 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
count = e1000_tx_map(tx_ring, skb, first, adapter->tx_fifo_limit,
nr_frags);
if (count) {
- skb_tx_timestamp(skb);
+ if (unlikely((skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
+ !adapter->tx_hwtstamp_skb)) {
+ skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
+ tx_flags |= E1000_TX_FLAGS_HWTSTAMP;
+ adapter->tx_hwtstamp_skb = skb_get(skb);
+ schedule_work(&adapter->tx_hwtstamp_work);
+ } else {
+ skb_tx_timestamp(skb);
+ }
netdev_sent_queue(netdev, skb->len);
e1000_tx_queue(tx_ring, tx_flags, count);
@@ -5180,10 +5561,9 @@ static void e1000_reset_task(struct work_struct *work)
if (test_bit(__E1000_DOWN, &adapter->state))
return;
- if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
- (adapter->flags & FLAG_RX_RESTART_NOW))) {
+ if (!(adapter->flags & FLAG_RESTART_NOW)) {
e1000e_dump(adapter);
- e_err("Reset adapter\n");
+ e_err("Reset adapter unexpectedly\n");
}
e1000e_reinit_locked(adapter);
}
@@ -5369,6 +5749,61 @@ static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
return 0;
}
+/**
+ * e1000e_hwtstamp_ioctl - control hardware time stamping
+ * @netdev: network interface device structure
+ * @ifreq: interface request
+ *
+ * Outgoing time stamping can be enabled and disabled. Play nice and
+ * disable it when requested, although it shouldn't cause any overhead
+ * when no packet needs it. At most one packet in the queue may be
+ * marked for time stamping, otherwise it would be impossible to tell
+ * for sure to which packet the hardware time stamp belongs.
+ *
+ * Incoming time stamping has to be configured via the hardware filters.
+ * Not all combinations are supported, in particular event type has to be
+ * specified. Matching the kind of event packet is not supported, with the
+ * exception of "all V2 events regardless of level 2 or 4".
+ **/
+static int e1000e_hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr)
+{
+ struct e1000_adapter *adapter = netdev_priv(netdev);
+ struct hwtstamp_config config;
+ int ret_val;
+
+ if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
+ return -EFAULT;
+
+ adapter->hwtstamp_config = config;
+
+ ret_val = e1000e_config_hwtstamp(adapter);
+ if (ret_val)
+ return ret_val;
+
+ config = adapter->hwtstamp_config;
+
+ switch (config.rx_filter) {
+ case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
+ case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
+ case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
+ /* With V2 type filters which specify a Sync or Delay Request,
+ * Path Delay Request/Response messages are also time stamped
+ * by hardware so notify the caller the requested packets plus
+ * some others are time stamped.
+ */
+ config.rx_filter = HWTSTAMP_FILTER_SOME;
+ break;
+ default:
+ break;
+ }
+
+ return copy_to_user(ifr->ifr_data, &config,
+ sizeof(config)) ? -EFAULT : 0;
+}
+
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
{
switch (cmd) {
@@ -5376,6 +5811,8 @@ static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
case SIOCGMIIREG:
case SIOCSMIIREG:
return e1000_mii_ioctl(netdev, ifr, cmd);
+ case SIOCSHWTSTAMP:
+ return e1000e_hwtstamp_ioctl(netdev, ifr);
default:
return -EOPNOTSUPP;
}
@@ -5386,7 +5823,7 @@ 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, wuc_enable;
- int retval = 0;
+ int retval;
/* copy MAC RARs to PHY RARs */
e1000_copy_rx_addrs_to_phy_ich8lan(hw);
@@ -5600,14 +6037,21 @@ static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
#else
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
{
+ u16 aspm_ctl = 0;
+
+ if (state & PCIE_LINK_STATE_L0S)
+ aspm_ctl |= PCI_EXP_LNKCTL_ASPM_L0S;
+ if (state & PCIE_LINK_STATE_L1)
+ aspm_ctl |= PCI_EXP_LNKCTL_ASPM_L1;
+
/* Both device and parent should have the same ASPM setting.
* Disable ASPM in downstream component first and then upstream.
*/
- pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL, state);
+ pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL, aspm_ctl);
if (pdev->bus->self)
pcie_capability_clear_word(pdev->bus->self, PCI_EXP_LNKCTL,
- state);
+ aspm_ctl);
}
#endif
static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
@@ -5792,7 +6236,7 @@ static void e1000_shutdown(struct pci_dev *pdev)
#ifdef CONFIG_NET_POLL_CONTROLLER
-static irqreturn_t e1000_intr_msix(int irq, void *data)
+static irqreturn_t e1000_intr_msix(int __always_unused irq, void *data)
{
struct net_device *netdev = data;
struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -5956,7 +6400,6 @@ static void e1000_io_resume(struct pci_dev *pdev)
*/
if (!(adapter->flags & FLAG_HAS_AMT))
e1000e_get_hw_control(adapter);
-
}
static void e1000_print_device_info(struct e1000_adapter *adapter)
@@ -6114,8 +6557,8 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
err = pci_request_selected_regions_exclusive(pdev,
- pci_select_bars(pdev, IORESOURCE_MEM),
- e1000e_driver_name);
+ pci_select_bars(pdev, IORESOURCE_MEM),
+ e1000e_driver_name);
if (err)
goto err_pci_reg;
@@ -6274,11 +6717,10 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
"NVM Read Error while reading MAC address\n");
memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
- memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
- if (!is_valid_ether_addr(netdev->perm_addr)) {
+ if (!is_valid_ether_addr(netdev->dev_addr)) {
dev_err(&pdev->dev, "Invalid MAC Address: %pM\n",
- netdev->perm_addr);
+ netdev->dev_addr);
err = -EIO;
goto err_eeprom;
}
@@ -6364,6 +6806,9 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* carrier off reporting is important to ethtool even BEFORE open */
netif_carrier_off(netdev);
+ /* init PTP hardware clock */
+ e1000e_ptp_init(adapter);
+
e1000_print_device_info(adapter);
if (pci_dev_run_wake(pdev))
@@ -6412,6 +6857,8 @@ static void e1000_remove(struct pci_dev *pdev)
struct e1000_adapter *adapter = netdev_priv(netdev);
bool down = test_bit(__E1000_DOWN, &adapter->state);
+ e1000e_ptp_remove(adapter);
+
/* The timers may be rescheduled, so explicitly disable them
* from being rescheduled.
*/
@@ -6426,6 +6873,14 @@ static void e1000_remove(struct pci_dev *pdev)
cancel_work_sync(&adapter->update_phy_task);
cancel_work_sync(&adapter->print_hang_task);
+ if (adapter->flags & FLAG_HAS_HW_TIMESTAMP) {
+ cancel_work_sync(&adapter->tx_hwtstamp_work);
+ if (adapter->tx_hwtstamp_skb) {
+ dev_kfree_skb_any(adapter->tx_hwtstamp_skb);
+ adapter->tx_hwtstamp_skb = NULL;
+ }
+ }
+
if (!(netdev->flags & IFF_UP))
e1000_power_down_phy(adapter);
@@ -6578,7 +7033,7 @@ static int __init e1000_init_module(void)
int ret;
pr_info("Intel(R) PRO/1000 Network Driver - %s\n",
e1000e_driver_version);
- pr_info("Copyright(c) 1999 - 2012 Intel Corporation.\n");
+ pr_info("Copyright(c) 1999 - 2013 Intel Corporation.\n");
ret = pci_register_driver(&e1000_driver);
return ret;
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