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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.c240
1 files changed, 179 insertions, 61 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 177c6da80c57..b30f00891c03 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -28,11 +28,7 @@
#include "e1000.h"
-#define DRV_EXTRAVERSION "-k"
-
-#define DRV_VERSION "3.2.6" DRV_EXTRAVERSION
char e1000e_driver_name[] = "e1000e";
-const char e1000e_driver_version[] = DRV_VERSION;
#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK)
static int debug = -1;
@@ -107,6 +103,45 @@ static const struct e1000_reg_info e1000_reg_info_tbl[] = {
{0, NULL}
};
+struct e1000e_me_supported {
+ u16 device_id; /* supported device ID */
+};
+
+static const struct e1000e_me_supported me_supported[] = {
+ {E1000_DEV_ID_PCH_LPT_I217_LM},
+ {E1000_DEV_ID_PCH_LPTLP_I218_LM},
+ {E1000_DEV_ID_PCH_I218_LM2},
+ {E1000_DEV_ID_PCH_I218_LM3},
+ {E1000_DEV_ID_PCH_SPT_I219_LM},
+ {E1000_DEV_ID_PCH_SPT_I219_LM2},
+ {E1000_DEV_ID_PCH_LBG_I219_LM3},
+ {E1000_DEV_ID_PCH_SPT_I219_LM4},
+ {E1000_DEV_ID_PCH_SPT_I219_LM5},
+ {E1000_DEV_ID_PCH_CNP_I219_LM6},
+ {E1000_DEV_ID_PCH_CNP_I219_LM7},
+ {E1000_DEV_ID_PCH_ICP_I219_LM8},
+ {E1000_DEV_ID_PCH_ICP_I219_LM9},
+ {E1000_DEV_ID_PCH_CMP_I219_LM10},
+ {E1000_DEV_ID_PCH_CMP_I219_LM11},
+ {E1000_DEV_ID_PCH_CMP_I219_LM12},
+ {E1000_DEV_ID_PCH_TGP_I219_LM13},
+ {E1000_DEV_ID_PCH_TGP_I219_LM14},
+ {E1000_DEV_ID_PCH_TGP_I219_LM15},
+ {0}
+};
+
+static bool e1000e_check_me(u16 device_id)
+{
+ struct e1000e_me_supported *id;
+
+ for (id = (struct e1000e_me_supported *)me_supported;
+ id->device_id; id++)
+ if (device_id == id->device_id)
+ return true;
+
+ return false;
+}
+
/**
* __ew32_prepare - prepare to write to MAC CSR register on certain parts
* @hw: pointer to the HW structure
@@ -119,14 +154,12 @@ static const struct e1000_reg_info e1000_reg_info_tbl[] = {
* has bit 24 set while ME is accessing MAC CSR registers, wait if it is set
* and try again a number of times.
**/
-s32 __ew32_prepare(struct e1000_hw *hw)
+static void __ew32_prepare(struct e1000_hw *hw)
{
s32 i = E1000_ICH_FWSM_PCIM2PCI_COUNT;
while ((er32(FWSM) & E1000_ICH_FWSM_PCIM2PCI) && --i)
udelay(50);
-
- return i;
}
void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val)
@@ -468,6 +501,7 @@ rx_ring_summary:
/**
* e1000_desc_unused - calculate if we have unused descriptors
+ * @ring: pointer to ring struct to perform calculation on
**/
static int e1000_desc_unused(struct e1000_ring *ring)
{
@@ -544,6 +578,7 @@ static void e1000e_rx_hwtstamp(struct e1000_adapter *adapter, u32 status,
/**
* e1000_receive_skb - helper function to handle Rx indications
* @adapter: board private structure
+ * @netdev: pointer to netdev struct
* @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
@@ -568,8 +603,7 @@ static void e1000_receive_skb(struct e1000_adapter *adapter,
* e1000_rx_checksum - Receive Checksum Offload
* @adapter: board private structure
* @status_err: receive descriptor status and error fields
- * @csum: receive descriptor csum field
- * @sk_buff: socket buffer with received data
+ * @skb: socket buffer with received data
**/
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
struct sk_buff *skb)
@@ -607,11 +641,11 @@ static void e1000e_update_rdt_wa(struct e1000_ring *rx_ring, unsigned int i)
{
struct e1000_adapter *adapter = rx_ring->adapter;
struct e1000_hw *hw = &adapter->hw;
- s32 ret_val = __ew32_prepare(hw);
+ __ew32_prepare(hw);
writel(i, rx_ring->tail);
- if (unlikely(!ret_val && (i != readl(rx_ring->tail)))) {
+ if (unlikely(i != readl(rx_ring->tail))) {
u32 rctl = er32(RCTL);
ew32(RCTL, rctl & ~E1000_RCTL_EN);
@@ -624,11 +658,11 @@ static void e1000e_update_tdt_wa(struct e1000_ring *tx_ring, unsigned int i)
{
struct e1000_adapter *adapter = tx_ring->adapter;
struct e1000_hw *hw = &adapter->hw;
- s32 ret_val = __ew32_prepare(hw);
+ __ew32_prepare(hw);
writel(i, tx_ring->tail);
- if (unlikely(!ret_val && (i != readl(tx_ring->tail)))) {
+ if (unlikely(i != readl(tx_ring->tail))) {
u32 tctl = er32(TCTL);
ew32(TCTL, tctl & ~E1000_TCTL_EN);
@@ -640,6 +674,8 @@ static void e1000e_update_tdt_wa(struct e1000_ring *tx_ring, unsigned int i)
/**
* e1000_alloc_rx_buffers - Replace used receive buffers
* @rx_ring: Rx descriptor ring
+ * @cleaned_count: number to reallocate
+ * @gfp: flags for allocation
**/
static void e1000_alloc_rx_buffers(struct e1000_ring *rx_ring,
int cleaned_count, gfp_t gfp)
@@ -708,6 +744,8 @@ map_skb:
/**
* e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
* @rx_ring: Rx descriptor ring
+ * @cleaned_count: number to reallocate
+ * @gfp: flags for allocation
**/
static void e1000_alloc_rx_buffers_ps(struct e1000_ring *rx_ring,
int cleaned_count, gfp_t gfp)
@@ -811,6 +849,7 @@ no_buffers:
* e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
* @rx_ring: Rx descriptor ring
* @cleaned_count: number of buffers to allocate this pass
+ * @gfp: flags for allocation
**/
static void e1000_alloc_jumbo_rx_buffers(struct e1000_ring *rx_ring,
@@ -900,6 +939,8 @@ static inline void e1000_rx_hash(struct net_device *netdev, __le32 rss,
/**
* e1000_clean_rx_irq - Send received data up the network stack
* @rx_ring: Rx descriptor ring
+ * @work_done: output parameter for indicating completed work
+ * @work_to_do: how many packets we can clean
*
* the return value indicates whether actual cleaning was done, there
* is no guarantee that everything was cleaned
@@ -1294,6 +1335,8 @@ static bool e1000_clean_tx_irq(struct e1000_ring *tx_ring)
/**
* e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
* @rx_ring: Rx descriptor ring
+ * @work_done: output parameter for indicating completed work
+ * @work_to_do: how many packets we can clean
*
* the return value indicates whether actual cleaning was done, there
* is no guarantee that everything was cleaned
@@ -1484,9 +1527,6 @@ next_desc:
return cleaned;
}
-/**
- * e1000_consume_page - helper function
- **/
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
u16 length)
{
@@ -1498,7 +1538,9 @@ static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
/**
* e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
- * @adapter: board private structure
+ * @rx_ring: Rx descriptor ring
+ * @work_done: output parameter for indicating completed work
+ * @work_to_do: how many packets we can clean
*
* the return value indicates whether actual cleaning was done, there
* is no guarantee that everything was cleaned
@@ -1961,6 +2003,7 @@ static irqreturn_t e1000_intr_msix_rx(int __always_unused irq, void *data)
/**
* e1000_configure_msix - Configure MSI-X hardware
+ * @adapter: board private structure
*
* e1000_configure_msix sets up the hardware to properly
* generate MSI-X interrupts.
@@ -2039,6 +2082,7 @@ void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
/**
* e1000e_set_interrupt_capability - set MSI or MSI-X if supported
+ * @adapter: board private structure
*
* Attempt to configure interrupts using the best available
* capabilities of the hardware and kernel.
@@ -2074,7 +2118,7 @@ void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
e1000e_reset_interrupt_capability(adapter);
}
adapter->int_mode = E1000E_INT_MODE_MSI;
- /* Fall through */
+ fallthrough;
case E1000E_INT_MODE_MSI:
if (!pci_enable_msi(adapter->pdev)) {
adapter->flags |= FLAG_MSI_ENABLED;
@@ -2082,7 +2126,7 @@ void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
adapter->int_mode = E1000E_INT_MODE_LEGACY;
e_err("Failed to initialize MSI interrupts. Falling back to legacy interrupts.\n");
}
- /* Fall through */
+ fallthrough;
case E1000E_INT_MODE_LEGACY:
/* Don't do anything; this is the system default */
break;
@@ -2094,6 +2138,7 @@ void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
/**
* e1000_request_msix - Initialize MSI-X interrupts
+ * @adapter: board private structure
*
* e1000_request_msix allocates MSI-X vectors and requests interrupts from the
* kernel.
@@ -2147,6 +2192,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
/**
* e1000_request_irq - initialize interrupts
+ * @adapter: board private structure
*
* Attempts to configure interrupts using the best available
* capabilities of the hardware and kernel.
@@ -2207,6 +2253,7 @@ static void e1000_free_irq(struct e1000_adapter *adapter)
/**
* e1000_irq_disable - Mask off interrupt generation on the NIC
+ * @adapter: board private structure
**/
static void e1000_irq_disable(struct e1000_adapter *adapter)
{
@@ -2229,6 +2276,7 @@ static void e1000_irq_disable(struct e1000_adapter *adapter)
/**
* e1000_irq_enable - Enable default interrupt generation settings
+ * @adapter: board private structure
**/
static void e1000_irq_enable(struct e1000_adapter *adapter)
{
@@ -2299,6 +2347,8 @@ void e1000e_release_hw_control(struct e1000_adapter *adapter)
/**
* e1000_alloc_ring_dma - allocate memory for a ring structure
+ * @adapter: board private structure
+ * @ring: ring struct for which to allocate dma
**/
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
struct e1000_ring *ring)
@@ -2474,7 +2524,6 @@ void e1000e_free_rx_resources(struct e1000_ring *rx_ring)
/**
* e1000_update_itr - update the dynamic ITR value based on statistics
- * @adapter: pointer to adapter
* @itr_setting: current adapter->itr
* @packets: the number of packets during this measurement interval
* @bytes: the number of bytes during this measurement interval
@@ -3016,12 +3065,13 @@ static void e1000_configure_tx(struct e1000_adapter *adapter)
}
}
+#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
+ (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
+
/**
* e1000_setup_rctl - configure the receive control registers
* @adapter: Board private structure
**/
-#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
- (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
static void e1000_setup_rctl(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
@@ -3140,10 +3190,10 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
switch (adapter->rx_ps_pages) {
case 3:
psrctl |= PAGE_SIZE << E1000_PSRCTL_BSIZE3_SHIFT;
- /* fall-through */
+ fallthrough;
case 2:
psrctl |= PAGE_SIZE << E1000_PSRCTL_BSIZE2_SHIFT;
- /* fall-through */
+ fallthrough;
case 1:
psrctl |= PAGE_SIZE >> E1000_PSRCTL_BSIZE1_SHIFT;
break;
@@ -3537,6 +3587,7 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca)
case e1000_pch_cnp:
case e1000_pch_tgp:
case e1000_pch_adp:
+ case e1000_pch_mtp:
if (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI) {
/* Stable 24MHz frequency */
incperiod = INCPERIOD_24MHZ;
@@ -3572,6 +3623,7 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca)
/**
* e1000e_config_hwtstamp - configure the hwtstamp registers and enable/disable
* @adapter: board private structure
+ * @config: timestamp configuration
*
* Outgoing time stamping can be enabled and disabled. Play nice and
* disable it when requested, although it shouldn't cause any overhead
@@ -3640,9 +3692,8 @@ static int e1000e_config_hwtstamp(struct e1000_adapter *adapter,
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.
- */
+ /* Hardware cannot filter just V2 L4 Sync messages */
+ fallthrough;
case HWTSTAMP_FILTER_PTP_V2_SYNC:
/* Also time stamps V2 Path Delay Request/Response. */
tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
@@ -3651,9 +3702,8 @@ static int e1000e_config_hwtstamp(struct e1000_adapter *adapter,
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.
- */
+ /* Hardware cannot filter just V2 L4 Delay Request messages */
+ fallthrough;
case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
/* Also time stamps V2 Path Delay Request/Response. */
tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L2_L4_V2;
@@ -3663,9 +3713,8 @@ static int e1000e_config_hwtstamp(struct e1000_adapter *adapter,
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.
- */
+ /* Hardware cannot filter just V2 L4 or L2 Event messages */
+ fallthrough;
case HWTSTAMP_FILTER_PTP_V2_EVENT:
tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_EVENT_V2;
config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
@@ -3677,6 +3726,7 @@ static int e1000e_config_hwtstamp(struct e1000_adapter *adapter,
* Delay Request messages but not both so fall-through to
* time stamp all packets.
*/
+ fallthrough;
case HWTSTAMP_FILTER_NTP_ALL:
case HWTSTAMP_FILTER_ALL:
is_l2 = true;
@@ -3777,6 +3827,7 @@ void e1000e_power_up_phy(struct e1000_adapter *adapter)
/**
* e1000_power_down_phy - Power down the PHY
+ * @adapter: board private structure
*
* 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.
@@ -3789,6 +3840,7 @@ static void e1000_power_down_phy(struct e1000_adapter *adapter)
/**
* e1000_flush_tx_ring - remove all descriptors from the tx_ring
+ * @adapter: board private structure
*
* We want to clear all pending descriptors from the TX ring.
* zeroing happens when the HW reads the regs. We assign the ring itself as
@@ -3823,6 +3875,7 @@ static void e1000_flush_tx_ring(struct e1000_adapter *adapter)
/**
* e1000_flush_rx_ring - remove all descriptors from the rx_ring
+ * @adapter: board private structure
*
* Mark all descriptors in the RX ring as consumed and disable the rx ring
*/
@@ -3855,6 +3908,7 @@ static void e1000_flush_rx_ring(struct e1000_adapter *adapter)
/**
* e1000_flush_desc_rings - remove all descriptors from the descriptor rings
+ * @adapter: board private structure
*
* In i219, the descriptor rings must be emptied before resetting the HW
* or before changing the device state to D3 during runtime (runtime PM).
@@ -3937,6 +3991,7 @@ static void e1000e_systim_reset(struct e1000_adapter *adapter)
/**
* e1000e_reset - bring the hardware into a known good state
+ * @adapter: board private structure
*
* This function boots the hardware and enables some settings that
* require a configuration cycle of the hardware - those cannot be
@@ -4023,7 +4078,7 @@ void e1000e_reset(struct e1000_adapter *adapter)
fc->low_water = fc->high_water - 8;
break;
}
- /* fall-through */
+ fallthrough;
default:
hwm = min(((pba << 10) * 9 / 10),
((pba << 10) - adapter->max_frame_size));
@@ -4048,9 +4103,9 @@ void e1000e_reset(struct e1000_adapter *adapter)
case e1000_pch_lpt:
case e1000_pch_spt:
case e1000_pch_cnp:
- /* fall-through */
case e1000_pch_tgp:
case e1000_pch_adp:
+ case e1000_pch_mtp:
fc->refresh_time = 0xFFFF;
fc->pause_time = 0xFFFF;
@@ -4817,7 +4872,7 @@ static void e1000e_update_phy_task(struct work_struct *work)
/**
* e1000_update_phy_info - timre call-back to update PHY info
- * @data: pointer to adapter cast into an unsigned long
+ * @t: pointer to timer_list containing private info adapter
*
* Need to wait a few seconds after link up to get diagnostic information from
* the phy
@@ -5157,7 +5212,7 @@ static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter)
/**
* e1000_watchdog - Timer Call-back
- * @data: pointer to adapter cast into an unsigned long
+ * @t: pointer to timer_list containing private info adapter
**/
static void e1000_watchdog(struct timer_list *t)
{
@@ -5294,6 +5349,10 @@ static void e1000_watchdog_task(struct work_struct *work)
/* oops */
break;
}
+ if (hw->mac.type == e1000_pch_spt) {
+ netdev->features &= ~NETIF_F_TSO;
+ netdev->features &= ~NETIF_F_TSO6;
+ }
}
/* enable transmits in the hardware, need to do this
@@ -5938,8 +5997,9 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
/**
* e1000_tx_timeout - Respond to a Tx Hang
* @netdev: network interface device structure
+ * @txqueue: index of the hung queue (unused)
**/
-static void e1000_tx_timeout(struct net_device *netdev, unsigned int txqueue)
+static void e1000_tx_timeout(struct net_device *netdev, unsigned int __always_unused txqueue)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -6140,7 +6200,7 @@ static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
/**
* e1000e_hwtstamp_ioctl - control hardware time stamping
* @netdev: network interface device structure
- * @ifreq: interface request
+ * @ifr: interface request
*
* Outgoing time stamping can be enabled and disabled. Play nice and
* disable it when requested, although it shouldn't cause any overhead
@@ -6308,7 +6368,6 @@ fl_out:
pm_runtime_put_sync(netdev->dev.parent);
}
-#ifdef CONFIG_PM_SLEEP
/* S0ix implementation */
static void e1000e_s0ix_entry_flow(struct e1000_adapter *adapter)
{
@@ -6404,6 +6463,31 @@ static void e1000e_s0ix_entry_flow(struct e1000_adapter *adapter)
mac_data |= BIT(3);
ew32(CTRL_EXT, mac_data);
+ /* Disable disconnected cable conditioning for Power Gating */
+ mac_data = er32(DPGFR);
+ mac_data |= BIT(2);
+ ew32(DPGFR, mac_data);
+
+ /* Don't wake from dynamic Power Gating with clock request */
+ mac_data = er32(FEXTNVM12);
+ mac_data |= BIT(12);
+ ew32(FEXTNVM12, mac_data);
+
+ /* Ungate PGCB clock */
+ mac_data = er32(FEXTNVM9);
+ mac_data |= BIT(28);
+ ew32(FEXTNVM9, mac_data);
+
+ /* Enable K1 off to enable mPHY Power Gating */
+ mac_data = er32(FEXTNVM6);
+ mac_data |= BIT(31);
+ ew32(FEXTNVM12, mac_data);
+
+ /* Enable mPHY power gating for any link and speed */
+ mac_data = er32(FEXTNVM8);
+ mac_data |= BIT(9);
+ ew32(FEXTNVM8, mac_data);
+
/* Enable the Dynamic Clock Gating in the DMA and MAC */
mac_data = er32(CTRL_EXT);
mac_data |= E1000_CTRL_EXT_DMA_DYN_CLK_EN;
@@ -6433,6 +6517,35 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter)
mac_data |= BIT(0);
ew32(FEXTNVM7, mac_data);
+ /* Disable mPHY power gating for any link and speed */
+ mac_data = er32(FEXTNVM8);
+ mac_data &= ~BIT(9);
+ ew32(FEXTNVM8, mac_data);
+
+ /* Disable K1 off */
+ mac_data = er32(FEXTNVM6);
+ mac_data &= ~BIT(31);
+ ew32(FEXTNVM12, mac_data);
+
+ /* Disable Ungate PGCB clock */
+ mac_data = er32(FEXTNVM9);
+ mac_data &= ~BIT(28);
+ ew32(FEXTNVM9, mac_data);
+
+ /* Cancel not waking from dynamic
+ * Power Gating with clock request
+ */
+ mac_data = er32(FEXTNVM12);
+ mac_data &= ~BIT(12);
+ ew32(FEXTNVM12, mac_data);
+
+ /* Cancel disable disconnected cable conditioning
+ * for Power Gating
+ */
+ mac_data = er32(DPGFR);
+ mac_data &= ~BIT(2);
+ ew32(DPGFR, mac_data);
+
/* Disable Dynamic Power Gating */
mac_data = er32(CTRL_EXT);
mac_data &= 0xFFFFFFF7;
@@ -6476,7 +6589,6 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter)
mac_data &= ~E1000_CTRL_EXT_FORCE_SMBUS;
ew32(CTRL_EXT, mac_data);
}
-#endif /* CONFIG_PM_SLEEP */
static int e1000e_pm_freeze(struct device *dev)
{
@@ -6516,11 +6628,17 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- u32 ctrl, ctrl_ext, rctl, status;
- /* Runtime suspend should only enable wakeup for link changes */
- u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
+ u32 ctrl, ctrl_ext, rctl, status, wufc;
int retval = 0;
+ /* Runtime suspend should only enable wakeup for link changes */
+ if (runtime)
+ wufc = E1000_WUFC_LNKC;
+ else if (device_may_wakeup(&pdev->dev))
+ wufc = adapter->wol;
+ else
+ wufc = 0;
+
status = er32(STATUS);
if (status & E1000_STATUS_LU)
wufc &= ~E1000_WUFC_LNKC;
@@ -6577,7 +6695,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
if (adapter->hw.phy.type == e1000_phy_igp_3) {
e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
} else if (hw->mac.type >= e1000_pch_lpt) {
- if (!(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC)))
+ if (wufc && !(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC)))
/* ULP does not support wake from unicast, multicast
* or broadcast.
*/
@@ -6669,7 +6787,7 @@ static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state, int locked)
case PCIE_LINK_STATE_L0S:
case PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1:
aspm_dis_mask |= PCI_EXP_LNKCTL_ASPM_L0S;
- /* fall-through - can't have L1 without L0s */
+ fallthrough; /* can't have L1 without L0s */
case PCIE_LINK_STATE_L1:
aspm_dis_mask |= PCI_EXP_LNKCTL_ASPM_L1;
break;
@@ -6774,7 +6892,6 @@ err_irq:
return rc;
}
-#ifdef CONFIG_PM
static int __e1000_resume(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
@@ -6840,8 +6957,7 @@ static int __e1000_resume(struct pci_dev *pdev)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int e1000e_pm_suspend(struct device *dev)
+static __maybe_unused int e1000e_pm_suspend(struct device *dev)
{
struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev));
struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -6858,13 +6974,14 @@ static int e1000e_pm_suspend(struct device *dev)
e1000e_pm_thaw(dev);
/* Introduce S0ix implementation */
- if (hw->mac.type >= e1000_pch_cnp)
+ if (hw->mac.type >= e1000_pch_cnp &&
+ !e1000e_check_me(hw->adapter->pdev->device))
e1000e_s0ix_entry_flow(adapter);
return rc;
}
-static int e1000e_pm_resume(struct device *dev)
+static __maybe_unused int e1000e_pm_resume(struct device *dev)
{
struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev));
struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -6873,7 +6990,8 @@ static int e1000e_pm_resume(struct device *dev)
int rc;
/* Introduce S0ix implementation */
- if (hw->mac.type >= e1000_pch_cnp)
+ if (hw->mac.type >= e1000_pch_cnp &&
+ !e1000e_check_me(hw->adapter->pdev->device))
e1000e_s0ix_exit_flow(adapter);
rc = __e1000_resume(pdev);
@@ -6882,9 +7000,8 @@ static int e1000e_pm_resume(struct device *dev)
return e1000e_pm_thaw(dev);
}
-#endif /* CONFIG_PM_SLEEP */
-static int e1000e_pm_runtime_idle(struct device *dev)
+static __maybe_unused int e1000e_pm_runtime_idle(struct device *dev)
{
struct net_device *netdev = dev_get_drvdata(dev);
struct e1000_adapter *adapter = netdev_priv(netdev);
@@ -6900,7 +7017,7 @@ static int e1000e_pm_runtime_idle(struct device *dev)
return -EBUSY;
}
-static int e1000e_pm_runtime_resume(struct device *dev)
+static __maybe_unused int e1000e_pm_runtime_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct net_device *netdev = pci_get_drvdata(pdev);
@@ -6917,7 +7034,7 @@ static int e1000e_pm_runtime_resume(struct device *dev)
return rc;
}
-static int e1000e_pm_runtime_suspend(struct device *dev)
+static __maybe_unused int e1000e_pm_runtime_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct net_device *netdev = pci_get_drvdata(pdev);
@@ -6942,7 +7059,6 @@ static int e1000e_pm_runtime_suspend(struct device *dev)
return 0;
}
-#endif /* CONFIG_PM */
static void e1000_shutdown(struct pci_dev *pdev)
{
@@ -7549,7 +7665,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
e1000_print_device_info(adapter);
- dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP);
+ dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
if (pci_dev_run_wake(pdev) && hw->mac.type < e1000_pch_cnp)
pm_runtime_put_noidle(&pdev->dev);
@@ -7763,6 +7879,10 @@ static const struct pci_device_id e1000_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_I219_V16), board_pch_cnp },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_I219_LM17), board_pch_cnp },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_I219_V17), board_pch_cnp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_LM18), board_pch_cnp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V18), board_pch_cnp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_LM19), board_pch_cnp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V19), board_pch_cnp },
{ 0, 0, 0, 0, 0, 0, 0 } /* terminate list */
};
@@ -7802,8 +7922,7 @@ static struct pci_driver e1000_driver = {
**/
static int __init e1000_init_module(void)
{
- pr_info("Intel(R) PRO/1000 Network Driver - %s\n",
- e1000e_driver_version);
+ pr_info("Intel(R) PRO/1000 Network Driver\n");
pr_info("Copyright(c) 1999 - 2015 Intel Corporation.\n");
return pci_register_driver(&e1000_driver);
@@ -7825,6 +7944,5 @@ module_exit(e1000_exit_module);
MODULE_AUTHOR("Intel Corporation, <[email protected]>");
MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
MODULE_LICENSE("GPL v2");
-MODULE_VERSION(DRV_VERSION);
/* netdev.c */