diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/e1000.h')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/e1000.h | 136 |
1 files changed, 52 insertions, 84 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h index ad0edd11015..7785240a0da 100644 --- a/drivers/net/ethernet/intel/e1000e/e1000.h +++ b/drivers/net/ethernet/intel/e1000e/e1000.h @@ -1,30 +1,23 @@ -/******************************************************************************* - - Intel PRO/1000 Linux driver - 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, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". - - Contact Information: - Linux NICS <linux.nics@intel.com> - e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -*******************************************************************************/ +/* Intel PRO/1000 Linux driver + * Copyright(c) 1999 - 2014 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, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Contact Information: + * Linux NICS <linux.nics@intel.com> + * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + */ /* Linux PRO/1000 Ethernet Driver main header file */ @@ -269,12 +262,13 @@ struct e1000_adapter { u32 tx_head_addr; u32 tx_fifo_size; u32 tx_dma_failed; + u32 tx_hwtstamp_timeouts; /* Rx */ - bool (*clean_rx) (struct e1000_ring *ring, int *work_done, - int work_to_do) ____cacheline_aligned_in_smp; - void (*alloc_rx_buf) (struct e1000_ring *ring, int cleaned_count, - gfp_t gfp); + bool (*clean_rx)(struct e1000_ring *ring, int *work_done, + int work_to_do) ____cacheline_aligned_in_smp; + void (*alloc_rx_buf)(struct e1000_ring *ring, int cleaned_count, + gfp_t gfp); struct e1000_ring *rx_ring; u32 rx_int_delay; @@ -333,7 +327,6 @@ struct e1000_adapter { struct work_struct update_phy_task; struct work_struct print_hang_task; - bool idle_check; int phy_hang_count; u16 tx_ring_count; @@ -342,6 +335,7 @@ struct e1000_adapter { struct hwtstamp_config hwtstamp_config; struct delayed_work systim_overflow_work; struct sk_buff *tx_hwtstamp_skb; + unsigned long tx_hwtstamp_start; struct work_struct tx_hwtstamp_work; spinlock_t systim_lock; /* protects SYSTIML/H regsters */ struct cyclecounter cc; @@ -397,6 +391,8 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca); * 25MHz 46-bit 2^46 / 10^9 / 3600 = 19.55 hours */ #define E1000_SYSTIM_OVERFLOW_PERIOD (HZ * 60 * 60 * 4) +#define E1000_MAX_82574_SYSTIM_REREADS 50 +#define E1000_82574_SYSTIM_EPSILON (1ULL << 35ULL) /* hardware capability, feature, and workaround flags */ #define FLAG_HAS_AMT (1 << 0) @@ -472,26 +468,25 @@ enum latency_range { extern char e1000e_driver_name[]; extern const char e1000e_driver_version[]; -extern void e1000e_check_options(struct e1000_adapter *adapter); -extern void e1000e_set_ethtool_ops(struct net_device *netdev); - -extern int e1000e_up(struct e1000_adapter *adapter); -extern void e1000e_down(struct e1000_adapter *adapter); -extern void e1000e_reinit_locked(struct e1000_adapter *adapter); -extern void e1000e_reset(struct e1000_adapter *adapter); -extern void e1000e_power_up_phy(struct e1000_adapter *adapter); -extern int e1000e_setup_rx_resources(struct e1000_ring *ring); -extern int e1000e_setup_tx_resources(struct e1000_ring *ring); -extern void e1000e_free_rx_resources(struct e1000_ring *ring); -extern void e1000e_free_tx_resources(struct e1000_ring *ring); -extern struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev, - struct rtnl_link_stats64 - *stats); -extern void e1000e_set_interrupt_capability(struct e1000_adapter *adapter); -extern void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter); -extern void e1000e_get_hw_control(struct e1000_adapter *adapter); -extern void e1000e_release_hw_control(struct e1000_adapter *adapter); -extern void e1000e_write_itr(struct e1000_adapter *adapter, u32 itr); +void e1000e_check_options(struct e1000_adapter *adapter); +void e1000e_set_ethtool_ops(struct net_device *netdev); + +int e1000e_up(struct e1000_adapter *adapter); +void e1000e_down(struct e1000_adapter *adapter, bool reset); +void e1000e_reinit_locked(struct e1000_adapter *adapter); +void e1000e_reset(struct e1000_adapter *adapter); +void e1000e_power_up_phy(struct e1000_adapter *adapter); +int e1000e_setup_rx_resources(struct e1000_ring *ring); +int e1000e_setup_tx_resources(struct e1000_ring *ring); +void e1000e_free_rx_resources(struct e1000_ring *ring); +void e1000e_free_tx_resources(struct e1000_ring *ring); +struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev, + struct rtnl_link_stats64 *stats); +void e1000e_set_interrupt_capability(struct e1000_adapter *adapter); +void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter); +void e1000e_get_hw_control(struct e1000_adapter *adapter); +void e1000e_release_hw_control(struct e1000_adapter *adapter); +void e1000e_write_itr(struct e1000_adapter *adapter, u32 itr); extern unsigned int copybreak; @@ -508,8 +503,8 @@ extern const struct e1000_info e1000_pch2_info; extern const struct e1000_info e1000_pch_lpt_info; extern const struct e1000_info e1000_es2_info; -extern void e1000e_ptp_init(struct e1000_adapter *adapter); -extern void e1000e_ptp_remove(struct e1000_adapter *adapter); +void e1000e_ptp_init(struct e1000_adapter *adapter); +void e1000e_ptp_remove(struct e1000_adapter *adapter); static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw) { @@ -536,7 +531,7 @@ static inline s32 e1e_wphy_locked(struct e1000_hw *hw, u32 offset, u16 data) return hw->phy.ops.write_reg_locked(hw, offset, data); } -extern void e1000e_reload_nvm_generic(struct e1000_hw *hw); +void e1000e_reload_nvm_generic(struct e1000_hw *hw); static inline s32 e1000e_read_mac_addr(struct e1000_hw *hw) { @@ -580,35 +575,8 @@ static inline u32 __er32(struct e1000_hw *hw, unsigned long reg) #define er32(reg) __er32(hw, E1000_##reg) -/** - * __ew32_prepare - prepare to write to MAC CSR register on certain parts - * @hw: pointer to the HW structure - * - * When updating the MAC CSR registers, the Manageability Engine (ME) could - * be accessing the registers at the same time. Normally, this is handled in - * h/w by an arbiter but on some parts there is a bug that acknowledges Host - * accesses later than it should which could result in the register to have - * an incorrect value. Workaround this by checking the FWSM register which - * has bit 24 set while ME is accessing MAC CSR registers, wait if it is set - * and try again a number of times. - **/ -static inline s32 __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; -} - -static inline void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val) -{ - if (hw->adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA) - __ew32_prepare(hw); - - writel(val, hw->hw_addr + reg); -} +s32 __ew32_prepare(struct e1000_hw *hw); +void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val); #define ew32(reg, val) __ew32(hw, E1000_##reg, (val)) |