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Diffstat (limited to 'qemu/roms/ipxe/src/drivers/net/igbvf/igbvf.h')
| -rw-r--r-- | qemu/roms/ipxe/src/drivers/net/igbvf/igbvf.h | 377 |
1 files changed, 377 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/drivers/net/igbvf/igbvf.h b/qemu/roms/ipxe/src/drivers/net/igbvf/igbvf.h new file mode 100644 index 000000000..74f99c61a --- /dev/null +++ b/qemu/roms/ipxe/src/drivers/net/igbvf/igbvf.h @@ -0,0 +1,377 @@ +/******************************************************************************* + + Intel(R) 82576 Virtual Function Linux driver + Copyright(c) 1999 - 2008 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 + +*******************************************************************************/ + +FILE_LICENCE ( GPL2_ONLY ); + +/* Linux PRO/1000 Ethernet Driver main header file */ + +#ifndef _IGBVF_H_ +#define _IGBVF_H_ + +#include "igbvf_vf.h" + +/* Forward declarations */ +struct igbvf_info; +struct igbvf_adapter; + +/* Interrupt defines */ +#define IGBVF_START_ITR 648 /* ~6000 ints/sec */ + +/* Tx/Rx descriptor defines */ +#define IGBVF_DEFAULT_TXD 256 +#define IGBVF_MAX_TXD 4096 +#define IGBVF_MIN_TXD 80 + +#define IGBVF_DEFAULT_RXD 256 +#define IGBVF_MAX_RXD 4096 +#define IGBVF_MIN_RXD 80 + +#define IGBVF_MIN_ITR_USECS 10 /* 100000 irq/sec */ +#define IGBVF_MAX_ITR_USECS 10000 /* 100 irq/sec */ + +/* RX descriptor control thresholds. + * PTHRESH - MAC will consider prefetch if it has fewer than this number of + * descriptors available in its onboard memory. + * Setting this to 0 disables RX descriptor prefetch. + * HTHRESH - MAC will only prefetch if there are at least this many descriptors + * available in host memory. + * If PTHRESH is 0, this should also be 0. + * WTHRESH - RX descriptor writeback threshold - MAC will delay writing back + * descriptors until either it has this many to write back, or the + * ITR timer expires. + */ +#define IGBVF_RX_PTHRESH 16 +#define IGBVF_RX_HTHRESH 8 +#define IGBVF_RX_WTHRESH 1 + +#define IGBVF_TX_PTHRESH 8 +#define IGBVF_TX_HTHRESH 1 +#define IGBVF_TX_WTHRESH 1 + +/* this is the size past which hardware will drop packets when setting LPE=0 */ +#define MAXIMUM_ETHERNET_VLAN_SIZE 1522 + +#define IGBVF_FC_PAUSE_TIME 0x0680 /* 858 usec */ + +/* How many Tx Descriptors do we need to call netif_wake_queue ? */ +#define IGBVF_TX_QUEUE_WAKE 32 +/* How many Rx Buffers do we bundle into one write to the hardware ? */ +#define IGBVF_RX_BUFFER_WRITE 16 /* Must be power of 2 */ + +#define AUTO_ALL_MODES 0 +#define IGBVF_EEPROM_APME 0x0400 + +#define IGBVF_MNG_VLAN_NONE (-1) + +enum igbvf_boards { + board_vf, +}; + +struct igbvf_queue_stats { + u64 packets; + u64 bytes; +}; + +/* + * wrappers around a pointer to a socket buffer, + * so a DMA handle can be stored along with the buffer + */ +struct igbvf_buffer { +#if 0 + dma_addr_t dma; + dma_addr_t page_dma; + struct sk_buff *skb; + union { + /* Tx */ + struct { + unsigned long time_stamp; + u16 length; + u16 next_to_watch; + }; + /* Rx */ + struct { + struct page *page; + unsigned int page_offset; + }; + }; + struct page *page; +#endif +}; + +struct igbvf_ring { +#if 0 + struct igbvf_adapter *adapter; /* backlink */ + void *desc; /* pointer to ring memory */ + dma_addr_t dma; /* phys address of ring */ + unsigned int size; /* length of ring in bytes */ + unsigned int count; /* number of desc. in ring */ + + u16 next_to_use; + u16 next_to_clean; + + u16 head; + u16 tail; + + /* array of buffer information structs */ + struct igbvf_buffer *buffer_info; + struct napi_struct napi; + + char name[IFNAMSIZ + 5]; + u32 eims_value; + u32 itr_val; + u16 itr_register; + int set_itr; + + struct sk_buff *rx_skb_top; + + struct igbvf_queue_stats stats; +#endif +}; + +/* board specific private data structure */ +struct igbvf_adapter { +#if 0 + struct timer_list watchdog_timer; + struct timer_list blink_timer; + + struct work_struct reset_task; + struct work_struct watchdog_task; + + const struct igbvf_info *ei; + + struct vlan_group *vlgrp; + u32 bd_number; + u32 rx_buffer_len; + u32 polling_interval; + u16 mng_vlan_id; + u16 link_speed; + u16 link_duplex; + + spinlock_t tx_queue_lock; /* prevent concurrent tail updates */ + + /* track device up/down/testing state */ + unsigned long state; + + /* Interrupt Throttle Rate */ + u32 itr; + u32 itr_setting; + u16 tx_itr; + u16 rx_itr; + + /* + * Tx + */ + struct igbvf_ring *tx_ring /* One per active queue */ + ____cacheline_aligned_in_smp; + + unsigned long tx_queue_len; + unsigned int restart_queue; + u32 txd_cmd; + + bool detect_tx_hung; + u8 tx_timeout_factor; + + unsigned int total_tx_bytes; + unsigned int total_tx_packets; + unsigned int total_rx_bytes; + unsigned int total_rx_packets; + + /* Tx stats */ + u32 tx_timeout_count; + u32 tx_fifo_head; + u32 tx_head_addr; + u32 tx_fifo_size; + u32 tx_dma_failed; + + /* + * Rx + */ + struct igbvf_ring *rx_ring; + + /* Rx stats */ + u64 hw_csum_err; + u64 hw_csum_good; + u64 rx_hdr_split; + u32 alloc_rx_buff_failed; + u32 rx_dma_failed; + + unsigned int rx_ps_hdr_size; + u32 max_frame_size; + u32 min_frame_size; + + /* OS defined structs */ + struct net_device *netdev; + struct pci_dev *pdev; + struct net_device_stats net_stats; + spinlock_t stats_lock; /* prevent concurrent stats updates */ + + /* structs defined in e1000_hw.h */ + struct e1000_hw hw; + + /* The VF counters don't clear on read so we have to get a base + * count on driver start up and always subtract that base on + * on the first update, thus the flag.. + */ + struct e1000_vf_stats stats; + u64 zero_base; + + struct igbvf_ring test_tx_ring; + struct igbvf_ring test_rx_ring; + u32 test_icr; + + u32 msg_enable; + struct msix_entry *msix_entries; + int int_mode; + u32 eims_enable_mask; + u32 eims_other; + u32 int_counter0; + u32 int_counter1; + + u32 eeprom_wol; + u32 wol; + u32 pba; + + bool fc_autoneg; + + unsigned long led_status; + + unsigned int flags; + unsigned long last_reset; + u32 *config_space; +#endif + /* OS defined structs */ + struct net_device *netdev; + struct pci_device *pdev; + struct net_device_stats net_stats; + + /* structs defined in e1000_hw.h */ + struct e1000_hw hw; + + u32 min_frame_size; + u32 max_frame_size; + + u32 max_hw_frame_size; + +#define NUM_TX_DESC 8 +#define NUM_RX_DESC 8 + + struct io_buffer *tx_iobuf[NUM_TX_DESC]; + struct io_buffer *rx_iobuf[NUM_RX_DESC]; + + union e1000_adv_tx_desc *tx_base; + union e1000_adv_rx_desc *rx_base; + + uint32_t tx_ring_size; + uint32_t rx_ring_size; + + uint32_t tx_head; + uint32_t tx_tail; + uint32_t tx_fill_ctr; + + uint32_t rx_curr; + + uint32_t ioaddr; + uint32_t irqno; + + uint32_t tx_int_delay; + uint32_t tx_abs_int_delay; + uint32_t txd_cmd; +}; + +struct igbvf_info { + enum e1000_mac_type mac; + unsigned int flags; + u32 pba; + void (*init_ops)(struct e1000_hw *); + s32 (*get_variants)(struct igbvf_adapter *); +}; + +/* hardware capability, feature, and workaround flags */ +#define IGBVF_FLAG_RX_CSUM_DISABLED (1 << 0) + +#define IGBVF_DESC_UNUSED(R) \ + ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \ + (R)->next_to_clean - (R)->next_to_use - 1) + +#define IGBVF_RX_DESC_ADV(R, i) \ + (&(((union e1000_adv_rx_desc *)((R).desc))[i])) +#define IGBVF_TX_DESC_ADV(R, i) \ + (&(((union e1000_adv_tx_desc *)((R).desc))[i])) +#define IGBVF_TX_CTXTDESC_ADV(R, i) \ + (&(((struct e1000_adv_tx_context_desc *)((R).desc))[i])) + +enum igbvf_state_t { + __IGBVF_TESTING, + __IGBVF_RESETTING, + __IGBVF_DOWN +}; + +enum latency_range { + lowest_latency = 0, + low_latency = 1, + bulk_latency = 2, + latency_invalid = 255 +}; + +extern char igbvf_driver_name[]; +extern const char igbvf_driver_version[]; + +extern void igbvf_check_options(struct igbvf_adapter *adapter); +extern void igbvf_set_ethtool_ops(struct net_device *netdev); +#ifdef ETHTOOL_OPS_COMPAT +extern int ethtool_ioctl(struct ifreq *ifr); +#endif + +extern int igbvf_up(struct igbvf_adapter *adapter); +extern void igbvf_down(struct igbvf_adapter *adapter); +extern void igbvf_reinit_locked(struct igbvf_adapter *adapter); +extern void igbvf_reset(struct igbvf_adapter *adapter); +extern int igbvf_setup_rx_resources(struct igbvf_adapter *adapter); +extern int igbvf_setup_tx_resources(struct igbvf_adapter *adapter); +extern void igbvf_free_rx_resources(struct igbvf_adapter *adapter); +extern void igbvf_free_tx_resources(struct igbvf_adapter *adapter); +extern void igbvf_update_stats(struct igbvf_adapter *adapter); +extern void igbvf_set_interrupt_capability(struct igbvf_adapter *adapter); +extern void igbvf_reset_interrupt_capability(struct igbvf_adapter *adapter); + +extern unsigned int copybreak; + +static inline u32 __er32(struct e1000_hw *hw, unsigned long reg) +{ + return readl(hw->hw_addr + reg); +} + +static inline void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val) +{ + writel(val, hw->hw_addr + reg); +} +#define er32(reg) E1000_READ_REG(hw, E1000_##reg) +#define ew32(reg,val) E1000_WRITE_REG(hw, E1000_##reg, (val)) +#define e1e_flush() er32(STATUS) + +#endif /* _IGBVF_H_ */ |