diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/netdev.c')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/netdev.c | 624 |
1 files changed, 388 insertions, 236 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index db4ea58bac82..49e926959ad3 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -25,14 +25,11 @@ #include <linux/pm_runtime.h> #include <linux/aer.h> #include <linux/prefetch.h> +#include <linux/suspend.h> #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; @@ -54,6 +51,8 @@ static const struct e1000_info *e1000_info_tbl[] = { [board_pch_lpt] = &e1000_pch_lpt_info, [board_pch_spt] = &e1000_pch_spt_info, [board_pch_cnp] = &e1000_pch_cnp_info, + [board_pch_tgp] = &e1000_pch_tgp_info, + [board_pch_adp] = &e1000_pch_adp_info, }; struct e1000_reg_info { @@ -119,14 +118,12 @@ 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 +465,7 @@ 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 +542,7 @@ 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 +567,7 @@ 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 +605,11 @@ 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 +622,11 @@ 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 +638,8 @@ 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 +708,8 @@ 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 +813,7 @@ 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 +903,8 @@ 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 +1299,8 @@ 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 +1491,6 @@ 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 +1502,9 @@ 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 +1967,7 @@ 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 +2046,7 @@ 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 +2082,7 @@ 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 +2090,7 @@ 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 +2102,7 @@ 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 +2156,7 @@ 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 +2217,7 @@ 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 +2240,7 @@ 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 +2311,8 @@ 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 +2488,6 @@ 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 @@ -2538,7 +2551,6 @@ static void e1000_set_itr(struct e1000_adapter *adapter) /* for non-gigabit speeds, just fix the interrupt rate at 4000 */ if (adapter->link_speed != SPEED_1000) { - current_itr = 0; new_itr = 4000; goto set_itr_now; } @@ -3016,12 +3028,13 @@ 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 +3153,10 @@ 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; @@ -3280,10 +3293,10 @@ static void e1000_configure_rx(struct e1000_adapter *adapter) dev_info(&adapter->pdev->dev, "Some CPU C-states have been disabled in order to enable jumbo frames\n"); - pm_qos_update_request(&adapter->pm_qos_req, lat); + cpu_latency_qos_update_request(&adapter->pm_qos_req, lat); } else { - pm_qos_update_request(&adapter->pm_qos_req, - PM_QOS_DEFAULT_VALUE); + cpu_latency_qos_update_request(&adapter->pm_qos_req, + PM_QOS_DEFAULT_VALUE); } /* Enable Receives */ @@ -3536,6 +3549,9 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca) break; case e1000_pch_cnp: case e1000_pch_tgp: + case e1000_pch_adp: + case e1000_pch_mtp: + case e1000_pch_lnp: if (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI) { /* Stable 24MHz frequency */ incperiod = INCPERIOD_24MHZ; @@ -3571,6 +3587,7 @@ 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 @@ -3598,10 +3615,6 @@ static int e1000e_config_hwtstamp(struct e1000_adapter *adapter, 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; @@ -3639,9 +3652,8 @@ 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; @@ -3650,9 +3662,8 @@ 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; @@ -3662,9 +3673,8 @@ 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; @@ -3676,6 +3686,7 @@ 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; @@ -3776,6 +3787,7 @@ 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. @@ -3788,6 +3800,7 @@ 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 @@ -3807,7 +3820,7 @@ static void e1000_flush_tx_ring(struct e1000_adapter *adapter) tdt = er32(TDT(0)); BUG_ON(tdt != tx_ring->next_to_use); tx_desc = E1000_TX_DESC(*tx_ring, tx_ring->next_to_use); - tx_desc->buffer_addr = tx_ring->dma; + tx_desc->buffer_addr = cpu_to_le64(tx_ring->dma); tx_desc->lower.data = cpu_to_le32(txd_lower | size); tx_desc->upper.data = 0; @@ -3822,6 +3835,7 @@ 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 */ @@ -3854,6 +3868,7 @@ 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). @@ -3907,9 +3922,9 @@ static void e1000e_systim_reset(struct e1000_adapter *adapter) if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP)) return; - if (info->adjfreq) { + if (info->adjfine) { /* restore the previous ptp frequency delta */ - ret_val = info->adjfreq(info, adapter->ptp_delta); + ret_val = info->adjfine(info, adapter->ptp_delta); } else { /* set the default base frequency if no adjustment possible */ ret_val = e1000e_get_base_timinca(adapter, &timinca); @@ -3936,6 +3951,7 @@ 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 @@ -4022,7 +4038,7 @@ 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)); @@ -4047,8 +4063,10 @@ 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: + case e1000_pch_lnp: fc->refresh_time = 0xFFFF; fc->pause_time = 0xFFFF; @@ -4636,8 +4654,7 @@ int e1000e_open(struct net_device *netdev) e1000_update_mng_vlan(adapter); /* DMA latency requirement to workaround jumbo issue */ - pm_qos_add_request(&adapter->pm_qos_req, PM_QOS_CPU_DMA_LATENCY, - PM_QOS_DEFAULT_VALUE); + cpu_latency_qos_add_request(&adapter->pm_qos_req, 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 @@ -4679,7 +4696,7 @@ int e1000e_open(struct net_device *netdev) return 0; err_req_irq: - pm_qos_remove_request(&adapter->pm_qos_req); + cpu_latency_qos_remove_request(&adapter->pm_qos_req); e1000e_release_hw_control(adapter); e1000_power_down_phy(adapter); e1000e_free_rx_resources(adapter->rx_ring); @@ -4743,7 +4760,7 @@ int e1000e_close(struct net_device *netdev) !test_bit(__E1000_TESTING, &adapter->state)) e1000e_release_hw_control(adapter); - pm_qos_remove_request(&adapter->pm_qos_req); + cpu_latency_qos_remove_request(&adapter->pm_qos_req); pm_runtime_put_sync(&pdev->dev); @@ -4766,7 +4783,7 @@ static int e1000_set_mac(struct net_device *netdev, void *p) if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + eth_hw_addr_set(netdev, addr->sa_data); memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len); hw->mac.ops.rar_set(&adapter->hw, adapter->hw.mac.addr, 0); @@ -4816,7 +4833,7 @@ 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 @@ -5156,7 +5173,7 @@ 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) { @@ -5205,18 +5222,20 @@ static void e1000_watchdog_task(struct work_struct *work) pm_runtime_resume(netdev->dev.parent); /* Checking if MAC is in DMoff state*/ - pcim_state = er32(STATUS); - while (pcim_state & E1000_STATUS_PCIM_STATE) { - if (tries++ == dmoff_exit_timeout) { - e_dbg("Error in exiting dmoff\n"); - break; - } - usleep_range(10000, 20000); + if (er32(FWSM) & E1000_ICH_FWSM_FW_VALID) { pcim_state = er32(STATUS); - - /* Checking if MAC exited DMoff state */ - if (!(pcim_state & E1000_STATUS_PCIM_STATE)) - e1000_phy_hw_reset(&adapter->hw); + while (pcim_state & E1000_STATUS_PCIM_STATE) { + if (tries++ == dmoff_exit_timeout) { + e_dbg("Error in exiting dmoff\n"); + break; + } + usleep_range(10000, 20000); + pcim_state = er32(STATUS); + + /* Checking if MAC exited DMoff state */ + if (!(pcim_state & E1000_STATUS_PCIM_STATE)) + e1000_phy_hw_reset(&adapter->hw); + } } /* update snapshot of PHY registers on LSC */ @@ -5293,6 +5312,10 @@ 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 @@ -5451,7 +5474,7 @@ static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb, if (err < 0) return err; - hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + hdr_len = skb_tcp_all_headers(skb); mss = skb_shinfo(skb)->gso_size; if (protocol == htons(ETH_P_IP)) { struct iphdr *iph = ip_hdr(skb); @@ -5462,10 +5485,7 @@ static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb, 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); + tcp_v6_gso_csum_prep(skb); ipcse = 0; } ipcss = skb_network_offset(skb); @@ -5826,7 +5846,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, * points to just header, pull a few bytes of payload from * frags into skb->data */ - hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + hdr_len = skb_tcp_all_headers(skb); /* we do this workaround for ES2LAN, but it is un-necessary, * avoiding it could save a lot of cycles */ @@ -5940,8 +5960,9 @@ 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); @@ -5955,19 +5976,23 @@ static void e1000_reset_task(struct work_struct *work) struct e1000_adapter *adapter; adapter = container_of(work, struct e1000_adapter, reset_task); + rtnl_lock(); /* don't run the task if already down */ - if (test_bit(__E1000_DOWN, &adapter->state)) + if (test_bit(__E1000_DOWN, &adapter->state)) { + rtnl_unlock(); return; + } if (!(adapter->flags & FLAG_RESTART_NOW)) { e1000e_dump(adapter); e_err("Reset adapter unexpectedly\n"); } e1000e_reinit_locked(adapter); + rtnl_unlock(); } /** - * e1000_get_stats64 - Get System Network Statistics + * e1000e_get_stats64 - Get System Network Statistics * @netdev: network interface device structure * @stats: rtnl_link_stats64 pointer * @@ -6140,9 +6165,9 @@ static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, } /** - * e1000e_hwtstamp_ioctl - control hardware time stamping + * e1000e_hwtstamp_set - 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 @@ -6310,7 +6335,6 @@ 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) { @@ -6318,42 +6342,111 @@ static void e1000e_s0ix_entry_flow(struct e1000_adapter *adapter) u32 mac_data; u16 phy_data; - /* Disable the periodic inband message, - * don't request PCIe clock in K1 page770_17[10:9] = 10b - */ - e1e_rphy(hw, HV_PM_CTRL, &phy_data); - phy_data &= ~HV_PM_CTRL_K1_CLK_REQ; - phy_data |= BIT(10); - e1e_wphy(hw, HV_PM_CTRL, phy_data); + if (er32(FWSM) & E1000_ICH_FWSM_FW_VALID && + hw->mac.type >= e1000_pch_adp) { + /* Request ME configure the device for S0ix */ + mac_data = er32(H2ME); + mac_data |= E1000_H2ME_START_DPG; + mac_data &= ~E1000_H2ME_EXIT_DPG; + ew32(H2ME, mac_data); + } else { + /* Request driver configure the device to S0ix */ + /* Disable the periodic inband message, + * don't request PCIe clock in K1 page770_17[10:9] = 10b + */ + e1e_rphy(hw, HV_PM_CTRL, &phy_data); + phy_data &= ~HV_PM_CTRL_K1_CLK_REQ; + phy_data |= BIT(10); + e1e_wphy(hw, HV_PM_CTRL, phy_data); - /* Make sure we don't exit K1 every time a new packet arrives - * 772_29[5] = 1 CS_Mode_Stay_In_K1 - */ - e1e_rphy(hw, I217_CGFREG, &phy_data); - phy_data |= BIT(5); - e1e_wphy(hw, I217_CGFREG, phy_data); + /* Make sure we don't exit K1 every time a new packet arrives + * 772_29[5] = 1 CS_Mode_Stay_In_K1 + */ + e1e_rphy(hw, I217_CGFREG, &phy_data); + phy_data |= BIT(5); + e1e_wphy(hw, I217_CGFREG, phy_data); - /* Change the MAC/PHY interface to SMBus - * Force the SMBus in PHY page769_23[0] = 1 - * Force the SMBus in MAC CTRL_EXT[11] = 1 - */ - e1e_rphy(hw, CV_SMB_CTRL, &phy_data); - phy_data |= CV_SMB_CTRL_FORCE_SMBUS; - e1e_wphy(hw, CV_SMB_CTRL, phy_data); - mac_data = er32(CTRL_EXT); - mac_data |= E1000_CTRL_EXT_FORCE_SMBUS; - ew32(CTRL_EXT, mac_data); + /* Change the MAC/PHY interface to SMBus + * Force the SMBus in PHY page769_23[0] = 1 + * Force the SMBus in MAC CTRL_EXT[11] = 1 + */ + e1e_rphy(hw, CV_SMB_CTRL, &phy_data); + phy_data |= CV_SMB_CTRL_FORCE_SMBUS; + e1e_wphy(hw, CV_SMB_CTRL, phy_data); + mac_data = er32(CTRL_EXT); + mac_data |= E1000_CTRL_EXT_FORCE_SMBUS; + ew32(CTRL_EXT, mac_data); + + /* DFT control: PHY bit: page769_20[0] = 1 + * page769_20[7] - PHY PLL stop + * page769_20[8] - PHY go to the electrical idle + * page769_20[9] - PHY serdes disable + * Gate PPW via EXTCNF_CTRL - set 0x0F00[7] = 1 + */ + e1e_rphy(hw, I82579_DFT_CTRL, &phy_data); + phy_data |= BIT(0); + phy_data |= BIT(7); + phy_data |= BIT(8); + phy_data |= BIT(9); + e1e_wphy(hw, I82579_DFT_CTRL, phy_data); + + mac_data = er32(EXTCNF_CTRL); + mac_data |= E1000_EXTCNF_CTRL_GATE_PHY_CFG; + ew32(EXTCNF_CTRL, mac_data); + + /* Enable the Dynamic Power Gating in the MAC */ + mac_data = er32(FEXTNVM7); + mac_data |= BIT(22); + ew32(FEXTNVM7, 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(FEXTNVM6, 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; + ew32(CTRL_EXT, mac_data); + + /* No MAC DPG gating SLP_S0 in modern standby + * Switch the logic of the lanphypc to use PMC counter + */ + mac_data = er32(FEXTNVM5); + mac_data |= BIT(7); + ew32(FEXTNVM5, mac_data); + } - /* DFT control: PHY bit: page769_20[0] = 1 - * Gate PPW via EXTCNF_CTRL - set 0x0F00[7] = 1 - */ - e1e_rphy(hw, I82579_DFT_CTRL, &phy_data); - phy_data |= BIT(0); - e1e_wphy(hw, I82579_DFT_CTRL, phy_data); + /* Disable the time synchronization clock */ + mac_data = er32(FEXTNVM7); + mac_data |= BIT(31); + mac_data &= ~BIT(0); + ew32(FEXTNVM7, mac_data); - mac_data = er32(EXTCNF_CTRL); - mac_data |= E1000_EXTCNF_CTRL_GATE_PHY_CFG; - ew32(EXTCNF_CTRL, mac_data); + /* Dynamic Power Gating Enable */ + mac_data = er32(CTRL_EXT); + mac_data |= BIT(3); + ew32(CTRL_EXT, mac_data); /* Check MAC Tx/Rx packet buffer pointers. * Reset MAC Tx/Rx packet buffer pointers to suppress any @@ -6389,96 +6482,136 @@ static void e1000e_s0ix_entry_flow(struct e1000_adapter *adapter) mac_data = er32(RDFPC); if (mac_data) ew32(RDFPC, 0); - - /* Enable the Dynamic Power Gating in the MAC */ - mac_data = er32(FEXTNVM7); - mac_data |= BIT(22); - ew32(FEXTNVM7, mac_data); - - /* Disable the time synchronization clock */ - mac_data = er32(FEXTNVM7); - mac_data |= BIT(31); - mac_data &= ~BIT(0); - ew32(FEXTNVM7, mac_data); - - /* Dynamic Power Gating Enable */ - mac_data = er32(CTRL_EXT); - mac_data |= BIT(3); - ew32(CTRL_EXT, 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; - ew32(CTRL_EXT, mac_data); - - /* No MAC DPG gating SLP_S0 in modern standby - * Switch the logic of the lanphypc to use PMC counter - */ - mac_data = er32(FEXTNVM5); - mac_data |= BIT(7); - ew32(FEXTNVM5, mac_data); } static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; + bool firmware_bug = false; u32 mac_data; u16 phy_data; + u32 i = 0; + + if (er32(FWSM) & E1000_ICH_FWSM_FW_VALID && + hw->mac.type >= e1000_pch_adp) { + /* Keep the GPT clock enabled for CSME */ + mac_data = er32(FEXTNVM); + mac_data |= BIT(3); + ew32(FEXTNVM, mac_data); + /* Request ME unconfigure the device from S0ix */ + mac_data = er32(H2ME); + mac_data &= ~E1000_H2ME_START_DPG; + mac_data |= E1000_H2ME_EXIT_DPG; + ew32(H2ME, mac_data); + + /* Poll up to 2.5 seconds for ME to unconfigure DPG. + * If this takes more than 1 second, show a warning indicating a + * firmware bug + */ + while (!(er32(EXFWSM) & E1000_EXFWSM_DPG_EXIT_DONE)) { + if (i > 100 && !firmware_bug) + firmware_bug = true; - /* Disable the Dynamic Power Gating in the MAC */ - mac_data = er32(FEXTNVM7); - mac_data &= 0xFFBFFFFF; - ew32(FEXTNVM7, mac_data); + if (i++ == 250) { + e_dbg("Timeout (firmware bug): %d msec\n", + i * 10); + break; + } - /* Enable the time synchronization clock */ - mac_data = er32(FEXTNVM7); - mac_data |= BIT(0); - ew32(FEXTNVM7, mac_data); + usleep_range(10000, 11000); + } + if (firmware_bug) + e_warn("DPG_EXIT_DONE took %d msec. This is a firmware bug\n", + i * 10); + else + e_dbg("DPG_EXIT_DONE cleared after %d msec\n", i * 10); + } else { + /* Request driver unconfigure the device from S0ix */ + + /* Disable the Dynamic Power Gating in the MAC */ + mac_data = er32(FEXTNVM7); + mac_data &= 0xFFBFFFFF; + 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(FEXTNVM6, 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); - /* Disable Dynamic Power Gating */ - mac_data = er32(CTRL_EXT); - mac_data &= 0xFFFFFFF7; - ew32(CTRL_EXT, mac_data); + /* Cancel disable disconnected cable conditioning + * for Power Gating + */ + mac_data = er32(DPGFR); + mac_data &= ~BIT(2); + ew32(DPGFR, mac_data); - /* Disable the Dynamic Clock Gating in the DMA and MAC */ - mac_data = er32(CTRL_EXT); - mac_data &= 0xFFF7FFFF; - ew32(CTRL_EXT, mac_data); + /* Disable the Dynamic Clock Gating in the DMA and MAC */ + mac_data = er32(CTRL_EXT); + mac_data &= 0xFFF7FFFF; + ew32(CTRL_EXT, mac_data); - /* Revert the lanphypc logic to use the internal Gbe counter - * and not the PMC counter - */ - mac_data = er32(FEXTNVM5); - mac_data &= 0xFFFFFF7F; - ew32(FEXTNVM5, mac_data); + /* Revert the lanphypc logic to use the internal Gbe counter + * and not the PMC counter + */ + mac_data = er32(FEXTNVM5); + mac_data &= 0xFFFFFF7F; + ew32(FEXTNVM5, mac_data); - /* Enable the periodic inband message, - * Request PCIe clock in K1 page770_17[10:9] =01b - */ - e1e_rphy(hw, HV_PM_CTRL, &phy_data); - phy_data &= 0xFBFF; - phy_data |= HV_PM_CTRL_K1_CLK_REQ; - e1e_wphy(hw, HV_PM_CTRL, phy_data); + /* Enable the periodic inband message, + * Request PCIe clock in K1 page770_17[10:9] =01b + */ + e1e_rphy(hw, HV_PM_CTRL, &phy_data); + phy_data &= 0xFBFF; + phy_data |= HV_PM_CTRL_K1_CLK_REQ; + e1e_wphy(hw, HV_PM_CTRL, phy_data); - /* Return back configuration - * 772_29[5] = 0 CS_Mode_Stay_In_K1 - */ - e1e_rphy(hw, I217_CGFREG, &phy_data); - phy_data &= 0xFFDF; - e1e_wphy(hw, I217_CGFREG, phy_data); + /* Return back configuration + * 772_29[5] = 0 CS_Mode_Stay_In_K1 + */ + e1e_rphy(hw, I217_CGFREG, &phy_data); + phy_data &= 0xFFDF; + e1e_wphy(hw, I217_CGFREG, phy_data); - /* Change the MAC/PHY interface to Kumeran - * Unforce the SMBus in PHY page769_23[0] = 0 - * Unforce the SMBus in MAC CTRL_EXT[11] = 0 - */ - e1e_rphy(hw, CV_SMB_CTRL, &phy_data); - phy_data &= ~CV_SMB_CTRL_FORCE_SMBUS; - e1e_wphy(hw, CV_SMB_CTRL, phy_data); + /* Change the MAC/PHY interface to Kumeran + * Unforce the SMBus in PHY page769_23[0] = 0 + * Unforce the SMBus in MAC CTRL_EXT[11] = 0 + */ + e1e_rphy(hw, CV_SMB_CTRL, &phy_data); + phy_data &= ~CV_SMB_CTRL_FORCE_SMBUS; + e1e_wphy(hw, CV_SMB_CTRL, phy_data); + mac_data = er32(CTRL_EXT); + mac_data &= ~E1000_CTRL_EXT_FORCE_SMBUS; + ew32(CTRL_EXT, mac_data); + } + + /* Disable Dynamic Power Gating */ mac_data = er32(CTRL_EXT); - mac_data &= ~E1000_CTRL_EXT_FORCE_SMBUS; + mac_data &= 0xFFFFFFF7; ew32(CTRL_EXT, mac_data); + + /* Enable the time synchronization clock */ + mac_data = er32(FEXTNVM7); + mac_data &= ~BIT(31); + mac_data |= BIT(0); + ew32(FEXTNVM7, mac_data); } -#endif /* CONFIG_PM_SLEEP */ static int e1000e_pm_freeze(struct device *dev) { @@ -6518,11 +6651,17 @@ 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; @@ -6579,7 +6718,7 @@ 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. */ @@ -6671,7 +6810,7 @@ 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; @@ -6740,7 +6879,7 @@ static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state) } /** - * e1000e_disable_aspm_locked Disable ASPM states. + * e1000e_disable_aspm_locked - Disable ASPM states. * @pdev: pointer to PCI device struct * @state: bit-mask of ASPM states to disable * @@ -6776,7 +6915,6 @@ err_irq: return rc; } -#ifdef CONFIG_PM static int __e1000_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); @@ -6842,13 +6980,17 @@ 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_prepare(struct device *dev) +{ + return pm_runtime_suspended(dev) && + pm_suspend_via_firmware(); +} + +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); struct pci_dev *pdev = to_pci_dev(dev); - struct e1000_hw *hw = &adapter->hw; int rc; e1000e_flush_lpic(pdev); @@ -6856,26 +6998,26 @@ static int e1000e_pm_suspend(struct device *dev) e1000e_pm_freeze(dev); rc = __e1000_shutdown(pdev, false); - if (rc) + if (rc) { e1000e_pm_thaw(dev); - - /* Introduce S0ix implementation */ - if (hw->mac.type >= e1000_pch_cnp) - e1000e_s0ix_entry_flow(adapter); + } else { + /* Introduce S0ix implementation */ + if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS) + 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); struct pci_dev *pdev = to_pci_dev(dev); - struct e1000_hw *hw = &adapter->hw; int rc; /* Introduce S0ix implementation */ - if (hw->mac.type >= e1000_pch_cnp) + if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS) e1000e_s0ix_exit_flow(adapter); rc = __e1000_resume(pdev); @@ -6884,9 +7026,8 @@ 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); @@ -6902,7 +7043,7 @@ 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); @@ -6919,7 +7060,7 @@ 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); @@ -6944,7 +7085,6 @@ static int e1000e_pm_runtime_suspend(struct device *dev) return 0; } -#endif /* CONFIG_PM */ static void e1000_shutdown(struct pci_dev *pdev) { @@ -7035,7 +7175,7 @@ static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, pci_disable_device(pdev); - /* Request a slot slot reset. */ + /* Request a slot reset. */ return PCI_ERS_RESULT_NEED_RESET; } @@ -7127,7 +7267,7 @@ static void e1000_print_device_info(struct e1000_adapter *adapter) ret_val = e1000_read_pba_string_generic(hw, pba_str, E1000_PBANUM_LENGTH); if (ret_val) - strlcpy((char *)pba_str, "Unknown", sizeof(pba_str)); + strscpy((char *)pba_str, "Unknown", sizeof(pba_str)); e_info("MAC: %d, PHY: %d, PBA No: %s\n", hw->mac.type, hw->phy.type, pba_str); } @@ -7217,7 +7357,7 @@ static const struct net_device_ops e1000e_netdev_ops = { .ndo_set_rx_mode = e1000e_set_rx_mode, .ndo_set_mac_address = e1000_set_mac, .ndo_change_mtu = e1000_change_mtu, - .ndo_do_ioctl = e1000_ioctl, + .ndo_eth_ioctl = e1000_ioctl, .ndo_tx_timeout = e1000_tx_timeout, .ndo_validate_addr = eth_validate_addr, @@ -7252,9 +7392,9 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) resource_size_t flash_start, flash_len; static int cards_found; u16 aspm_disable_flag = 0; - int bars, i, err, pci_using_dac; u16 eeprom_data = 0; u16 eeprom_apme_mask = E1000_EEPROM_APME; + int bars, i, err; s32 ret_val = 0; if (ei->flags2 & FLAG2_DISABLE_ASPM_L0S) @@ -7268,17 +7408,11 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) return err; - pci_using_dac = 0; err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); - if (!err) { - pci_using_dac = 1; - } else { - err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); - if (err) { - dev_err(&pdev->dev, - "No usable DMA configuration, aborting\n"); - goto err_dma; - } + if (err) { + dev_err(&pdev->dev, + "No usable DMA configuration, aborting\n"); + goto err_dma; } bars = pci_select_bars(pdev, IORESOURCE_MEM); @@ -7345,8 +7479,8 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->netdev_ops = &e1000e_netdev_ops; e1000e_set_ethtool_ops(netdev); netdev->watchdog_timeo = 5 * HZ; - netif_napi_add(netdev, &adapter->napi, e1000e_poll, 64); - strlcpy(netdev->name, pci_name(pdev), sizeof(netdev->name)); + netif_napi_add(netdev, &adapter->napi, e1000e_poll); + strscpy(netdev->name, pci_name(pdev), sizeof(netdev->name)); netdev->mem_start = mmio_start; netdev->mem_end = mmio_start + mmio_len; @@ -7414,10 +7548,8 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->priv_flags |= IFF_UNICAST_FLT; - if (pci_using_dac) { - netdev->features |= NETIF_F_HIGHDMA; - netdev->vlan_features |= NETIF_F_HIGHDMA; - } + netdev->features |= NETIF_F_HIGHDMA; + netdev->vlan_features |= NETIF_F_HIGHDMA; /* MTU range: 68 - max_hw_frame_size */ netdev->min_mtu = ETH_MIN_MTU; @@ -7452,7 +7584,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_err(&pdev->dev, "NVM Read Error while reading MAC address\n"); - memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len); + eth_hw_addr_set(netdev, adapter->hw.mac.addr); if (!is_valid_ether_addr(netdev->dev_addr)) { dev_err(&pdev->dev, "Invalid MAC Address: %pM\n", @@ -7541,7 +7673,10 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (!(adapter->flags & FLAG_HAS_AMT)) e1000e_get_hw_control(adapter); - strlcpy(netdev->name, "eth%d", sizeof(netdev->name)); + if (hw->mac.type >= e1000_pch_cnp) + adapter->flags2 |= FLAG2_ENABLE_S0IX_FLOWS; + + strscpy(netdev->name, "eth%d", sizeof(netdev->name)); err = register_netdev(netdev); if (err) goto err_register; @@ -7551,9 +7686,9 @@ 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_SMART_PREPARE); - if (pci_dev_run_wake(pdev) && hw->mac.type < e1000_pch_cnp) + if (pci_dev_run_wake(pdev) && hw->mac.type != e1000_pch_cnp) pm_runtime_put_noidle(&pdev->dev); return 0; @@ -7576,6 +7711,7 @@ err_flashmap: err_ioremap: free_netdev(netdev); err_alloc_etherdev: + pci_disable_pcie_error_reporting(pdev); pci_release_mem_regions(pdev); err_pci_reg: err_dma: @@ -7588,7 +7724,7 @@ err_dma: * @pdev: PCI device information struct * * e1000_remove is called by the PCI subsystem to alert the driver - * that it should release a PCI device. The could be caused by a + * that it should release a PCI device. This could be caused by a * Hot-Plug event, or because the driver is going to be removed from * memory. **/ @@ -7755,11 +7891,28 @@ static const struct pci_device_id e1000_pci_tbl[] = { { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_CMP_I219_V11), board_pch_cnp }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_CMP_I219_LM12), board_pch_spt }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_CMP_I219_V12), board_pch_spt }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_LM13), board_pch_cnp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_V13), board_pch_cnp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_LM14), board_pch_cnp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_V14), board_pch_cnp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_LM15), board_pch_cnp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_LM13), board_pch_tgp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_V13), board_pch_tgp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_LM14), board_pch_tgp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_V14), board_pch_tgp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_LM15), board_pch_tgp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_TGP_I219_V15), board_pch_tgp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_RPL_I219_LM23), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_RPL_I219_V23), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_I219_LM16), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_I219_V16), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_I219_LM17), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_I219_V17), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_RPL_I219_LM22), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_RPL_I219_V22), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_LM18), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V18), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_LM19), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V19), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_LM20), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_V20), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_LM21), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_V21), board_pch_adp }, { 0, 0, 0, 0, 0, 0, 0 } /* terminate list */ }; @@ -7767,6 +7920,7 @@ MODULE_DEVICE_TABLE(pci, e1000_pci_tbl); static const struct dev_pm_ops e1000_pm_ops = { #ifdef CONFIG_PM_SLEEP + .prepare = e1000e_pm_prepare, .suspend = e1000e_pm_suspend, .resume = e1000e_pm_resume, .freeze = e1000e_pm_freeze, @@ -7799,8 +7953,7 @@ 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); @@ -7822,6 +7975,5 @@ module_exit(e1000_exit_module); MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>"); MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver"); MODULE_LICENSE("GPL v2"); -MODULE_VERSION(DRV_VERSION); /* netdev.c */ |