drivers/net/ethernet/intel/i40e/i40e.h - kernel/msm-4.9 - Gitiles

 /*******************************************************************************
  *
  * Intel Ethernet Controller XL710 Family Linux Driver
  * Copyright(c) 2013 - 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.
  *
  * You should have received a copy of the GNU General Public License along
  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  * The full GNU General Public License is included in this distribution in
  * the file called "COPYING".
  *
  * Contact Information:
  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  *
  ******************************************************************************/

 #ifndef _I40E_H_
 #define _I40E_H_

 #include <net/tcp.h>
 #include <net/udp.h>
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/aer.h>
 #include <linux/netdevice.h>
 #include <linux/ioport.h>
 #include <linux/slab.h>
 #include <linux/list.h>
 #include <linux/string.h>
 #include <linux/in.h>
 #include <linux/ip.h>
 #include <linux/tcp.h>
 #include <linux/sctp.h>
 #include <linux/pkt_sched.h>
 #include <linux/ipv6.h>
 #include <net/checksum.h>
 #include <net/ip6_checksum.h>
 #include <linux/ethtool.h>
 #include <linux/if_vlan.h>
 #include <linux/clocksource.h>
 #include <linux/net_tstamp.h>
 #include <linux/ptp_clock_kernel.h>
 #include "i40e_type.h"
 #include "i40e_prototype.h"
 #include "i40e_virtchnl.h"
 #include "i40e_virtchnl_pf.h"
 #include "i40e_txrx.h"
 #include "i40e_dcb.h"

 /* Useful i40e defaults */
 #define I40E_BASE_PF_SEID     16
 #define I40E_BASE_VSI_SEID    512
 #define I40E_BASE_VEB_SEID    288
 #define I40E_MAX_VEB          16

 #define I40E_MAX_NUM_DESCRIPTORS      4096
 #define I40E_MAX_REGISTER     0x800000
 #define I40E_DEFAULT_NUM_DESCRIPTORS  512
 #define I40E_REQ_DESCRIPTOR_MULTIPLE  32
 #define I40E_MIN_NUM_DESCRIPTORS      64
 #define I40E_MIN_MSIX                 2
 #define I40E_DEFAULT_NUM_VMDQ_VSI     8 /* max 256 VSIs */
 #define I40E_DEFAULT_QUEUES_PER_VMDQ  2 /* max 16 qps */
 #define I40E_DEFAULT_QUEUES_PER_VF    4
 #define I40E_DEFAULT_QUEUES_PER_TC    1 /* should be a power of 2 */
 #define I40E_MAX_QUEUES_PER_TC        64 /* should be a power of 2 */
 #define I40E_FDIR_RING                0
 #define I40E_FDIR_RING_COUNT          32
 #define I40E_MAX_AQ_BUF_SIZE          4096
 #define I40E_AQ_LEN                   32
 #define I40E_AQ_WORK_LIMIT            16
 #define I40E_MAX_USER_PRIORITY        8
 #define I40E_DEFAULT_MSG_ENABLE       4

 #define I40E_NVM_VERSION_LO_SHIFT  0
 #define I40E_NVM_VERSION_LO_MASK   (0xff << I40E_NVM_VERSION_LO_SHIFT)
 #define I40E_NVM_VERSION_HI_SHIFT  12
 #define I40E_NVM_VERSION_HI_MASK   (0xf << I40E_NVM_VERSION_HI_SHIFT)

 /* The values in here are decimal coded as hex as is the case in the NVM map*/
 #define I40E_CURRENT_NVM_VERSION_HI 0x2
 #define I40E_CURRENT_NVM_VERSION_LO 0x40

 /* magic for getting defines into strings */
 #define STRINGIFY(foo)  #foo
 #define XSTRINGIFY(bar) STRINGIFY(bar)

 #ifndef ARCH_HAS_PREFETCH
 #define prefetch(X)
 #endif

 #define I40E_RX_DESC(R, i)			\
 	((ring_is_16byte_desc_enabled(R))	\
 		? (union i40e_32byte_rx_desc *)	\
 			(&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
 		: (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
 #define I40E_TX_DESC(R, i)			\
 	(&(((struct i40e_tx_desc *)((R)->desc))[i]))
 #define I40E_TX_CTXTDESC(R, i)			\
 	(&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
 #define I40E_TX_FDIRDESC(R, i)			\
 	(&(((struct i40e_filter_program_desc *)((R)->desc))[i]))

 /* default to trying for four seconds */
 #define I40E_TRY_LINK_TIMEOUT (4 * HZ)

 /* driver state flags */
 enum i40e_state_t {
 	__I40E_TESTING,
 	__I40E_CONFIG_BUSY,
 	__I40E_CONFIG_DONE,
 	__I40E_DOWN,
 	__I40E_NEEDS_RESTART,
 	__I40E_SERVICE_SCHED,
 	__I40E_ADMINQ_EVENT_PENDING,
 	__I40E_MDD_EVENT_PENDING,
 	__I40E_VFLR_EVENT_PENDING,
 	__I40E_RESET_RECOVERY_PENDING,
 	__I40E_RESET_INTR_RECEIVED,
 	__I40E_REINIT_REQUESTED,
 	__I40E_PF_RESET_REQUESTED,
 	__I40E_CORE_RESET_REQUESTED,
 	__I40E_GLOBAL_RESET_REQUESTED,
 	__I40E_EMP_RESET_REQUESTED,
 	__I40E_FILTER_OVERFLOW_PROMISC,
 	__I40E_SUSPENDED,
 };

 enum i40e_interrupt_policy {
 	I40E_INTERRUPT_BEST_CASE,
 	I40E_INTERRUPT_MEDIUM,
 	I40E_INTERRUPT_LOWEST
 };

 struct i40e_lump_tracking {
 	u16 num_entries;
 	u16 search_hint;
 	u16 list[0];
 #define I40E_PILE_VALID_BIT  0x8000
 };

 #define I40E_DEFAULT_ATR_SAMPLE_RATE	20
 #define I40E_FDIR_MAX_RAW_PACKET_SIZE   512
 struct i40e_fdir_filter {
 	struct hlist_node fdir_node;
 	/* filter ipnut set */
 	u8 flow_type;
 	u8 ip4_proto;
 	__be32 dst_ip[4];
 	__be32 src_ip[4];
 	__be16 src_port;
 	__be16 dst_port;
 	__be32 sctp_v_tag;
 	/* filter control */
 	u16 q_index;
 	u8  flex_off;
 	u8  pctype;
 	u16 dest_vsi;
 	u8  dest_ctl;
 	u8  fd_status;
 	u16 cnt_index;
 	u32 fd_id;
 };

 #define I40E_ETH_P_LLDP			0x88cc

 #define I40E_DCB_PRIO_TYPE_STRICT	0
 #define I40E_DCB_PRIO_TYPE_ETS		1
 #define I40E_DCB_STRICT_PRIO_CREDITS	127
 #define I40E_MAX_USER_PRIORITY	8
 /* DCB per TC information data structure */
 struct i40e_tc_info {
 	u16	qoffset;	/* Queue offset from base queue */
 	u16	qcount;		/* Total Queues */
 	u8	netdev_tc;	/* Netdev TC index if netdev associated */
 };

 /* TC configuration data structure */
 struct i40e_tc_configuration {
 	u8	numtc;		/* Total number of enabled TCs */
 	u8	enabled_tc;	/* TC map */
 	struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
 };

 /* struct that defines the Ethernet device */
 struct i40e_pf {
 	struct pci_dev *pdev;
 	struct i40e_hw hw;
 	unsigned long state;
 	unsigned long link_check_timeout;
 	struct msix_entry *msix_entries;
 	u16 num_msix_entries;
 	bool fc_autoneg_status;

 	u16 eeprom_version;
 	u16 num_vmdq_vsis;         /* num vmdq pools this pf has set up */
 	u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
 	u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
 	u16 num_req_vfs;           /* num vfs requested for this vf */
 	u16 num_vf_qps;            /* num queue pairs per vf */
 	u16 num_lan_qps;           /* num lan queues this pf has set up */
 	u16 num_lan_msix;          /* num queue vectors for the base pf vsi */
 	int queues_left;           /* queues left unclaimed */
 	u16 rss_size;              /* num queues in the RSS array */
 	u16 rss_size_max;          /* HW defined max RSS queues */
 	u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
 	u8 atr_sample_rate;
 	bool wol_en;

 	struct hlist_head fdir_filter_list;
 	u16 fdir_pf_active_filters;

 #ifdef CONFIG_I40E_VXLAN
 	__be16  vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
 	u16 pending_vxlan_bitmap;

 #endif
 	enum i40e_interrupt_policy int_policy;
 	u16 rx_itr_default;
 	u16 tx_itr_default;
 	u16 msg_enable;
 	char misc_int_name[IFNAMSIZ + 9];
 	u16 adminq_work_limit; /* num of admin receive queue desc to process */
 	int service_timer_period;
 	struct timer_list service_timer;
 	struct work_struct service_task;

 	u64 flags;
 #define I40E_FLAG_RX_CSUM_ENABLED              (u64)(1 << 1)
 #define I40E_FLAG_MSI_ENABLED                  (u64)(1 << 2)
 #define I40E_FLAG_MSIX_ENABLED                 (u64)(1 << 3)
 #define I40E_FLAG_RX_1BUF_ENABLED              (u64)(1 << 4)
 #define I40E_FLAG_RX_PS_ENABLED                (u64)(1 << 5)
 #define I40E_FLAG_RSS_ENABLED                  (u64)(1 << 6)
 #define I40E_FLAG_VMDQ_ENABLED                 (u64)(1 << 7)
 #define I40E_FLAG_FDIR_REQUIRES_REINIT         (u64)(1 << 8)
 #define I40E_FLAG_NEED_LINK_UPDATE             (u64)(1 << 9)
 #define I40E_FLAG_IN_NETPOLL                   (u64)(1 << 12)
 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED       (u64)(1 << 13)
 #define I40E_FLAG_CLEAN_ADMINQ                 (u64)(1 << 14)
 #define I40E_FLAG_FILTER_SYNC                  (u64)(1 << 15)
 #define I40E_FLAG_PROCESS_MDD_EVENT            (u64)(1 << 17)
 #define I40E_FLAG_PROCESS_VFLR_EVENT           (u64)(1 << 18)
 #define I40E_FLAG_SRIOV_ENABLED                (u64)(1 << 19)
 #define I40E_FLAG_DCB_ENABLED                  (u64)(1 << 20)
 #define I40E_FLAG_FD_SB_ENABLED                (u64)(1 << 21)
 #define I40E_FLAG_FD_ATR_ENABLED               (u64)(1 << 22)
 #define I40E_FLAG_PTP                          (u64)(1 << 25)
 #define I40E_FLAG_MFP_ENABLED                  (u64)(1 << 26)
 #ifdef CONFIG_I40E_VXLAN
 #define I40E_FLAG_VXLAN_FILTER_SYNC            (u64)(1 << 27)
 #endif

 	/* tracks features that get auto disabled by errors */
 	u64 auto_disable_flags;

 	bool stat_offsets_loaded;
 	struct i40e_hw_port_stats stats;
 	struct i40e_hw_port_stats stats_offsets;
 	u32 tx_timeout_count;
 	u32 tx_timeout_recovery_level;
 	unsigned long tx_timeout_last_recovery;
 	u32 hw_csum_rx_error;
 	u32 led_status;
 	u16 corer_count; /* Core reset count */
 	u16 globr_count; /* Global reset count */
 	u16 empr_count; /* EMP reset count */
 	u16 pfr_count; /* PF reset count */
 	u16 sw_int_count; /* SW interrupt count */

 	struct mutex switch_mutex;
 	u16 lan_vsi;       /* our default LAN VSI */
 	u16 lan_veb;       /* initial relay, if exists */
 #define I40E_NO_VEB   0xffff
 #define I40E_NO_VSI   0xffff
 	u16 next_vsi;      /* Next unallocated VSI - 0-based! */
 	struct i40e_vsi **vsi;
 	struct i40e_veb *veb[I40E_MAX_VEB];

 	struct i40e_lump_tracking *qp_pile;
 	struct i40e_lump_tracking *irq_pile;

 	/* switch config info */
 	u16 pf_seid;
 	u16 main_vsi_seid;
 	u16 mac_seid;
 	struct i40e_aqc_get_switch_config_data *sw_config;
 	struct kobject *switch_kobj;
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *i40e_dbg_pf;
 #endif /* CONFIG_DEBUG_FS */

 	u16 instance; /* A unique number per i40e_pf instance in the system */

 	/* sr-iov config info */
 	struct i40e_vf *vf;
 	int num_alloc_vfs;	/* actual number of VFs allocated */
 	u32 vf_aq_requests;

 	/* DCBx/DCBNL capability for PF that indicates
 	 * whether DCBx is managed by firmware or host
 	 * based agent (LLDPAD). Also, indicates what
 	 * flavor of DCBx protocol (IEEE/CEE) is supported
 	 * by the device. For now we're supporting IEEE
 	 * mode only.
 	 */
 	u16 dcbx_cap;

 	u32	fcoe_hmc_filt_num;
 	u32	fcoe_hmc_cntx_num;
 	struct i40e_filter_control_settings filter_settings;

 	struct ptp_clock *ptp_clock;
 	struct ptp_clock_info ptp_caps;
 	struct sk_buff *ptp_tx_skb;
 	struct work_struct ptp_tx_work;
 	struct hwtstamp_config tstamp_config;
 	unsigned long ptp_tx_start;
 	unsigned long last_rx_ptp_check;
 	spinlock_t tmreg_lock; /* Used to protect the device time registers. */
 	u64 ptp_base_adj;
 	u32 tx_hwtstamp_timeouts;
 	u32 rx_hwtstamp_cleared;
 	bool ptp_tx;
 	bool ptp_rx;
 };

 struct i40e_mac_filter {
 	struct list_head list;
 	u8 macaddr[ETH_ALEN];
 #define I40E_VLAN_ANY -1
 	s16 vlan;
 	u8 counter;		/* number of instances of this filter */
 	bool is_vf;		/* filter belongs to a VF */
 	bool is_netdev;		/* filter belongs to a netdev */
 	bool changed;		/* filter needs to be sync'd to the HW */
 };

 struct i40e_veb {
 	struct i40e_pf *pf;
 	u16 idx;
 	u16 veb_idx;           /* index of VEB parent */
 	u16 seid;
 	u16 uplink_seid;
 	u16 stats_idx;           /* index of VEB parent */
 	u8  enabled_tc;
 	u16 flags;
 	u16 bw_limit;
 	u8  bw_max_quanta;
 	bool is_abs_credits;
 	u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
 	u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 	u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
 	struct kobject *kobj;
 	bool stat_offsets_loaded;
 	struct i40e_eth_stats stats;
 	struct i40e_eth_stats stats_offsets;
 };

 /* struct that defines a VSI, associated with a dev */
 struct i40e_vsi {
 	struct net_device *netdev;
 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 	bool netdev_registered;
 	bool stat_offsets_loaded;

 	u32 current_netdev_flags;
 	unsigned long state;
 #define I40E_VSI_FLAG_FILTER_CHANGED  (1<<0)
 #define I40E_VSI_FLAG_VEB_OWNER       (1<<1)
 	unsigned long flags;

 	struct list_head mac_filter_list;

 	/* VSI stats */
 	struct rtnl_link_stats64 net_stats;
 	struct rtnl_link_stats64 net_stats_offsets;
 	struct i40e_eth_stats eth_stats;
 	struct i40e_eth_stats eth_stats_offsets;
 	u32 tx_restart;
 	u32 tx_busy;
 	u32 rx_buf_failed;
 	u32 rx_page_failed;

 	/* These are containers of ring pointers, allocated at run-time */
 	struct i40e_ring **rx_rings;
 	struct i40e_ring **tx_rings;

 	u16 work_limit;
 	/* high bit set means dynamic, use accessor routines to read/write.
 	 * hardware only supports 2us resolution for the ITR registers.
 	 * these values always store the USER setting, and must be converted
 	 * before programming to a register.
 	 */
 	u16 rx_itr_setting;
 	u16 tx_itr_setting;

 	u16 max_frame;
 	u16 rx_hdr_len;
 	u16 rx_buf_len;
 	u8  dtype;

 	/* List of q_vectors allocated to this VSI */
 	struct i40e_q_vector **q_vectors;
 	int num_q_vectors;
 	int base_vector;

 	u16 seid;            /* HW index of this VSI (absolute index) */
 	u16 id;              /* VSI number */
 	u16 uplink_seid;

 	u16 base_queue;      /* vsi's first queue in hw array */
 	u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
 	u16 num_queue_pairs; /* Used tx and rx pairs */
 	u16 num_desc;
 	enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
 	u16 vf_id;		/* Virtual function ID for SRIOV VSIs */

 	struct i40e_tc_configuration tc_config;
 	struct i40e_aqc_vsi_properties_data info;

 	/* VSI BW limit (absolute across all TCs) */
 	u16 bw_limit;		/* VSI BW Limit (0 = disabled) */
 	u8  bw_max_quanta;	/* Max Quanta when BW limit is enabled */

 	/* Relative TC credits across VSIs */
 	u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
 	/* TC BW limit credits within VSI */
 	u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 	/* TC BW limit max quanta within VSI */
 	u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];

 	struct i40e_pf *back;  /* Backreference to associated PF */
 	u16 idx;               /* index in pf->vsi[] */
 	u16 veb_idx;           /* index of VEB parent */
 	struct kobject *kobj;  /* sysfs object */

 	/* VSI specific handlers */
 	irqreturn_t (*irq_handler)(int irq, void *data);
 } ____cacheline_internodealigned_in_smp;

 struct i40e_netdev_priv {
 	struct i40e_vsi *vsi;
 };

 /* struct that defines an interrupt vector */
 struct i40e_q_vector {
 	struct i40e_vsi *vsi;

 	u16 v_idx;		/* index in the vsi->q_vector array. */
 	u16 reg_idx;		/* register index of the interrupt */

 	struct napi_struct napi;

 	struct i40e_ring_container rx;
 	struct i40e_ring_container tx;

 	u8 num_ringpairs;	/* total number of ring pairs in vector */

 	cpumask_t affinity_mask;
 	struct rcu_head rcu;	/* to avoid race with update stats on free */
 	char name[IFNAMSIZ + 9];
 } ____cacheline_internodealigned_in_smp;

 /* lan device */
 struct i40e_device {
 	struct list_head list;
 	struct i40e_pf *pf;
 };

 /**
  * i40e_fw_version_str - format the FW and NVM version strings
  * @hw: ptr to the hardware info
  **/
 static inline char *i40e_fw_version_str(struct i40e_hw *hw)
 {
 	static char buf[32];

 	snprintf(buf, sizeof(buf),
 		 "f%d.%d a%d.%d n%02x.%02x e%08x",
 		 hw->aq.fw_maj_ver, hw->aq.fw_min_ver,
 		 hw->aq.api_maj_ver, hw->aq.api_min_ver,
 		 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
 			I40E_NVM_VERSION_HI_SHIFT,
 		 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
 			I40E_NVM_VERSION_LO_SHIFT,
 		 hw->nvm.eetrack);

 	return buf;
 }

 /**
  * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
  * @netdev: the corresponding netdev
  *
  * Return the PF struct for the given netdev
  **/
 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
 {
 	struct i40e_netdev_priv *np = netdev_priv(netdev);
 	struct i40e_vsi *vsi = np->vsi;

 	return vsi->back;
 }

 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
 				irqreturn_t (*irq_handler)(int, void *))
 {
 	vsi->irq_handler = irq_handler;
 }

 /**
  * i40e_rx_is_programming_status - check for programming status descriptor
  * @qw: the first quad word of the program status descriptor
  *
  * The value of in the descriptor length field indicate if this
  * is a programming status descriptor for flow director or FCoE
  * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
  * it is a packet descriptor.
  **/
 static inline bool i40e_rx_is_programming_status(u64 qw)
 {
 	return I40E_RX_PROG_STATUS_DESC_LENGTH ==
 		(qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
 }

 /* needed by i40e_ethtool.c */
 int i40e_up(struct i40e_vsi *vsi);
 void i40e_down(struct i40e_vsi *vsi);
 extern const char i40e_driver_name[];
 extern const char i40e_driver_version_str[];
 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
 void i40e_update_stats(struct i40e_vsi *vsi);
 void i40e_update_eth_stats(struct i40e_vsi *vsi);
 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
 				    bool printconfig);

 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
 			     struct i40e_pf *pf, bool add);
 int i40e_add_del_fdir(struct i40e_vsi *vsi,
 		      struct i40e_fdir_filter *input, bool add);
 void i40e_set_ethtool_ops(struct net_device *netdev);
 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
 					u8 *macaddr, s16 vlan,
 					bool is_vf, bool is_netdev);
 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
 		     bool is_vf, bool is_netdev);
 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 				u16 uplink, u32 param1);
 int i40e_vsi_release(struct i40e_vsi *vsi);
 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
 				 struct i40e_vsi *start_vsi);
 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
 				u16 downlink_seid, u8 enabled_tc);
 void i40e_veb_release(struct i40e_veb *veb);

 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
 void i40e_pf_reset_stats(struct i40e_pf *pf);
 #ifdef CONFIG_DEBUG_FS
 void i40e_dbg_pf_init(struct i40e_pf *pf);
 void i40e_dbg_pf_exit(struct i40e_pf *pf);
 void i40e_dbg_init(void);
 void i40e_dbg_exit(void);
 #else
 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
 static inline void i40e_dbg_init(void) {}
 static inline void i40e_dbg_exit(void) {}
 #endif /* CONFIG_DEBUG_FS*/
 void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector);
 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
 					     bool is_vf, bool is_netdev);
 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
 				      bool is_vf, bool is_netdev);
 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
 #ifdef CONFIG_I40E_DCB
 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
 			   struct i40e_dcbx_config *new_cfg);
 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
 			    struct i40e_dcbx_config *old_cfg,
 			    struct i40e_dcbx_config *new_cfg);
 #endif /* CONFIG_I40E_DCB */
 void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
 void i40e_ptp_set_increment(struct i40e_pf *pf);
 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 void i40e_ptp_init(struct i40e_pf *pf);
 void i40e_ptp_stop(struct i40e_pf *pf);
 #endif /* _I40E_H_ */
	/*******************************************************************************
	*
	* Intel Ethernet Controller XL710 Family Linux Driver
	* Copyright(c) 2013 - 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.
	*
	* You should have received a copy of the GNU General Public License along
	* with this program. If not, see <http://www.gnu.org/licenses/>.
	*
	* The full GNU General Public License is included in this distribution in
	* the file called "COPYING".
	*
	* Contact Information:
	* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
	* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
	*
	******************************************************************************/

	#ifndef _I40E_H_
	#define _I40E_H_

	#include <net/tcp.h>
	#include <net/udp.h>
	#include <linux/types.h>
	#include <linux/errno.h>
	#include <linux/module.h>
	#include <linux/pci.h>
	#include <linux/aer.h>
	#include <linux/netdevice.h>
	#include <linux/ioport.h>
	#include <linux/slab.h>
	#include <linux/list.h>
	#include <linux/string.h>
	#include <linux/in.h>
	#include <linux/ip.h>
	#include <linux/tcp.h>
	#include <linux/sctp.h>
	#include <linux/pkt_sched.h>
	#include <linux/ipv6.h>
	#include <net/checksum.h>
	#include <net/ip6_checksum.h>
	#include <linux/ethtool.h>
	#include <linux/if_vlan.h>
	#include <linux/clocksource.h>
	#include <linux/net_tstamp.h>
	#include <linux/ptp_clock_kernel.h>
	#include "i40e_type.h"
	#include "i40e_prototype.h"
	#include "i40e_virtchnl.h"
	#include "i40e_virtchnl_pf.h"
	#include "i40e_txrx.h"
	#include "i40e_dcb.h"

	/* Useful i40e defaults */
	#define I40E_BASE_PF_SEID 16
	#define I40E_BASE_VSI_SEID 512
	#define I40E_BASE_VEB_SEID 288
	#define I40E_MAX_VEB 16

	#define I40E_MAX_NUM_DESCRIPTORS 4096
	#define I40E_MAX_REGISTER 0x800000
	#define I40E_DEFAULT_NUM_DESCRIPTORS 512
	#define I40E_REQ_DESCRIPTOR_MULTIPLE 32
	#define I40E_MIN_NUM_DESCRIPTORS 64
	#define I40E_MIN_MSIX 2
	#define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */
	#define I40E_DEFAULT_QUEUES_PER_VMDQ 2 /* max 16 qps */
	#define I40E_DEFAULT_QUEUES_PER_VF 4
	#define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */
	#define I40E_MAX_QUEUES_PER_TC 64 /* should be a power of 2 */
	#define I40E_FDIR_RING 0
	#define I40E_FDIR_RING_COUNT 32
	#define I40E_MAX_AQ_BUF_SIZE 4096
	#define I40E_AQ_LEN 32
	#define I40E_AQ_WORK_LIMIT 16
	#define I40E_MAX_USER_PRIORITY 8
	#define I40E_DEFAULT_MSG_ENABLE 4

	#define I40E_NVM_VERSION_LO_SHIFT 0
	#define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT)
	#define I40E_NVM_VERSION_HI_SHIFT 12
	#define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT)

	/* The values in here are decimal coded as hex as is the case in the NVM map*/
	#define I40E_CURRENT_NVM_VERSION_HI 0x2
	#define I40E_CURRENT_NVM_VERSION_LO 0x40

	/* magic for getting defines into strings */
	#define STRINGIFY(foo) #foo
	#define XSTRINGIFY(bar) STRINGIFY(bar)

	#ifndef ARCH_HAS_PREFETCH
	#define prefetch(X)
	#endif

	#define I40E_RX_DESC(R, i) \
	((ring_is_16byte_desc_enabled(R)) \
	? (union i40e_32byte_rx_desc *) \
	(&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
	: (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
	#define I40E_TX_DESC(R, i) \
	(&(((struct i40e_tx_desc *)((R)->desc))[i]))
	#define I40E_TX_CTXTDESC(R, i) \
	(&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
	#define I40E_TX_FDIRDESC(R, i) \
	(&(((struct i40e_filter_program_desc *)((R)->desc))[i]))

	/* default to trying for four seconds */
	#define I40E_TRY_LINK_TIMEOUT (4 * HZ)

	/* driver state flags */
	enum i40e_state_t {
	__I40E_TESTING,
	__I40E_CONFIG_BUSY,
	__I40E_CONFIG_DONE,
	__I40E_DOWN,
	__I40E_NEEDS_RESTART,
	__I40E_SERVICE_SCHED,
	__I40E_ADMINQ_EVENT_PENDING,
	__I40E_MDD_EVENT_PENDING,
	__I40E_VFLR_EVENT_PENDING,
	__I40E_RESET_RECOVERY_PENDING,
	__I40E_RESET_INTR_RECEIVED,
	__I40E_REINIT_REQUESTED,
	__I40E_PF_RESET_REQUESTED,
	__I40E_CORE_RESET_REQUESTED,
	__I40E_GLOBAL_RESET_REQUESTED,
	__I40E_EMP_RESET_REQUESTED,
	__I40E_FILTER_OVERFLOW_PROMISC,
	__I40E_SUSPENDED,
	};

	enum i40e_interrupt_policy {
	I40E_INTERRUPT_BEST_CASE,
	I40E_INTERRUPT_MEDIUM,
	I40E_INTERRUPT_LOWEST
	};

	struct i40e_lump_tracking {
	u16 num_entries;
	u16 search_hint;
	u16 list[0];
	#define I40E_PILE_VALID_BIT 0x8000
	};

	#define I40E_DEFAULT_ATR_SAMPLE_RATE 20
	#define I40E_FDIR_MAX_RAW_PACKET_SIZE 512
	struct i40e_fdir_filter {
	struct hlist_node fdir_node;
	/* filter ipnut set */
	u8 flow_type;
	u8 ip4_proto;
	__be32 dst_ip[4];
	__be32 src_ip[4];
	__be16 src_port;
	__be16 dst_port;
	__be32 sctp_v_tag;
	/* filter control */
	u16 q_index;
	u8 flex_off;
	u8 pctype;
	u16 dest_vsi;
	u8 dest_ctl;
	u8 fd_status;
	u16 cnt_index;
	u32 fd_id;
	};

	#define I40E_ETH_P_LLDP 0x88cc

	#define I40E_DCB_PRIO_TYPE_STRICT 0
	#define I40E_DCB_PRIO_TYPE_ETS 1
	#define I40E_DCB_STRICT_PRIO_CREDITS 127
	#define I40E_MAX_USER_PRIORITY 8
	/* DCB per TC information data structure */
	struct i40e_tc_info {
	u16 qoffset; /* Queue offset from base queue */
	u16 qcount; /* Total Queues */
	u8 netdev_tc; /* Netdev TC index if netdev associated */
	};

	/* TC configuration data structure */
	struct i40e_tc_configuration {
	u8 numtc; /* Total number of enabled TCs */
	u8 enabled_tc; /* TC map */
	struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
	};

	/* struct that defines the Ethernet device */
	struct i40e_pf {
	struct pci_dev *pdev;
	struct i40e_hw hw;
	unsigned long state;
	unsigned long link_check_timeout;
	struct msix_entry *msix_entries;
	u16 num_msix_entries;
	bool fc_autoneg_status;

	u16 eeprom_version;
	u16 num_vmdq_vsis; /* num vmdq pools this pf has set up */
	u16 num_vmdq_qps; /* num queue pairs per vmdq pool */
	u16 num_vmdq_msix; /* num queue vectors per vmdq pool */
	u16 num_req_vfs; /* num vfs requested for this vf */
	u16 num_vf_qps; /* num queue pairs per vf */
	u16 num_lan_qps; /* num lan queues this pf has set up */
	u16 num_lan_msix; /* num queue vectors for the base pf vsi */
	int queues_left; /* queues left unclaimed */
	u16 rss_size; /* num queues in the RSS array */
	u16 rss_size_max; /* HW defined max RSS queues */
	u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */
	u8 atr_sample_rate;
	bool wol_en;

	struct hlist_head fdir_filter_list;
	u16 fdir_pf_active_filters;

	#ifdef CONFIG_I40E_VXLAN
	__be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
	u16 pending_vxlan_bitmap;

	#endif
	enum i40e_interrupt_policy int_policy;
	u16 rx_itr_default;
	u16 tx_itr_default;
	u16 msg_enable;
	char misc_int_name[IFNAMSIZ + 9];
	u16 adminq_work_limit; /* num of admin receive queue desc to process */
	int service_timer_period;
	struct timer_list service_timer;
	struct work_struct service_task;

	u64 flags;
	#define I40E_FLAG_RX_CSUM_ENABLED (u64)(1 << 1)
	#define I40E_FLAG_MSI_ENABLED (u64)(1 << 2)
	#define I40E_FLAG_MSIX_ENABLED (u64)(1 << 3)
	#define I40E_FLAG_RX_1BUF_ENABLED (u64)(1 << 4)
	#define I40E_FLAG_RX_PS_ENABLED (u64)(1 << 5)
	#define I40E_FLAG_RSS_ENABLED (u64)(1 << 6)
	#define I40E_FLAG_VMDQ_ENABLED (u64)(1 << 7)
	#define I40E_FLAG_FDIR_REQUIRES_REINIT (u64)(1 << 8)
	#define I40E_FLAG_NEED_LINK_UPDATE (u64)(1 << 9)
	#define I40E_FLAG_IN_NETPOLL (u64)(1 << 12)
	#define I40E_FLAG_16BYTE_RX_DESC_ENABLED (u64)(1 << 13)
	#define I40E_FLAG_CLEAN_ADMINQ (u64)(1 << 14)
	#define I40E_FLAG_FILTER_SYNC (u64)(1 << 15)
	#define I40E_FLAG_PROCESS_MDD_EVENT (u64)(1 << 17)
	#define I40E_FLAG_PROCESS_VFLR_EVENT (u64)(1 << 18)
	#define I40E_FLAG_SRIOV_ENABLED (u64)(1 << 19)
	#define I40E_FLAG_DCB_ENABLED (u64)(1 << 20)
	#define I40E_FLAG_FD_SB_ENABLED (u64)(1 << 21)
	#define I40E_FLAG_FD_ATR_ENABLED (u64)(1 << 22)
	#define I40E_FLAG_PTP (u64)(1 << 25)
	#define I40E_FLAG_MFP_ENABLED (u64)(1 << 26)
	#ifdef CONFIG_I40E_VXLAN
	#define I40E_FLAG_VXLAN_FILTER_SYNC (u64)(1 << 27)
	#endif

	/* tracks features that get auto disabled by errors */
	u64 auto_disable_flags;

	bool stat_offsets_loaded;
	struct i40e_hw_port_stats stats;
	struct i40e_hw_port_stats stats_offsets;
	u32 tx_timeout_count;
	u32 tx_timeout_recovery_level;
	unsigned long tx_timeout_last_recovery;
	u32 hw_csum_rx_error;
	u32 led_status;
	u16 corer_count; /* Core reset count */
	u16 globr_count; /* Global reset count */
	u16 empr_count; /* EMP reset count */
	u16 pfr_count; /* PF reset count */
	u16 sw_int_count; /* SW interrupt count */

	struct mutex switch_mutex;
	u16 lan_vsi; /* our default LAN VSI */
	u16 lan_veb; /* initial relay, if exists */
	#define I40E_NO_VEB 0xffff
	#define I40E_NO_VSI 0xffff
	u16 next_vsi; /* Next unallocated VSI - 0-based! */
	struct i40e_vsi **vsi;
	struct i40e_veb *veb[I40E_MAX_VEB];

	struct i40e_lump_tracking *qp_pile;
	struct i40e_lump_tracking *irq_pile;

	/* switch config info */
	u16 pf_seid;
	u16 main_vsi_seid;
	u16 mac_seid;
	struct i40e_aqc_get_switch_config_data *sw_config;
	struct kobject *switch_kobj;
	#ifdef CONFIG_DEBUG_FS
	struct dentry *i40e_dbg_pf;
	#endif /* CONFIG_DEBUG_FS */

	u16 instance; /* A unique number per i40e_pf instance in the system */

	/* sr-iov config info */
	struct i40e_vf *vf;
	int num_alloc_vfs; /* actual number of VFs allocated */
	u32 vf_aq_requests;

	/* DCBx/DCBNL capability for PF that indicates
	* whether DCBx is managed by firmware or host
	* based agent (LLDPAD). Also, indicates what
	* flavor of DCBx protocol (IEEE/CEE) is supported
	* by the device. For now we're supporting IEEE
	* mode only.
	*/
	u16 dcbx_cap;

	u32 fcoe_hmc_filt_num;
	u32 fcoe_hmc_cntx_num;
	struct i40e_filter_control_settings filter_settings;

	struct ptp_clock *ptp_clock;
	struct ptp_clock_info ptp_caps;
	struct sk_buff *ptp_tx_skb;
	struct work_struct ptp_tx_work;
	struct hwtstamp_config tstamp_config;
	unsigned long ptp_tx_start;
	unsigned long last_rx_ptp_check;
	spinlock_t tmreg_lock; /* Used to protect the device time registers. */
	u64 ptp_base_adj;
	u32 tx_hwtstamp_timeouts;
	u32 rx_hwtstamp_cleared;
	bool ptp_tx;
	bool ptp_rx;
	};

	struct i40e_mac_filter {
	struct list_head list;
	u8 macaddr[ETH_ALEN];
	#define I40E_VLAN_ANY -1
	s16 vlan;
	u8 counter; /* number of instances of this filter */
	bool is_vf; /* filter belongs to a VF */
	bool is_netdev; /* filter belongs to a netdev */
	bool changed; /* filter needs to be sync'd to the HW */
	};

	struct i40e_veb {
	struct i40e_pf *pf;
	u16 idx;
	u16 veb_idx; /* index of VEB parent */
	u16 seid;
	u16 uplink_seid;
	u16 stats_idx; /* index of VEB parent */
	u8 enabled_tc;
	u16 flags;
	u16 bw_limit;
	u8 bw_max_quanta;
	bool is_abs_credits;
	u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
	u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
	u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
	struct kobject *kobj;
	bool stat_offsets_loaded;
	struct i40e_eth_stats stats;
	struct i40e_eth_stats stats_offsets;
	};

	/* struct that defines a VSI, associated with a dev */
	struct i40e_vsi {
	struct net_device *netdev;
	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
	bool netdev_registered;
	bool stat_offsets_loaded;

	u32 current_netdev_flags;
	unsigned long state;
	#define I40E_VSI_FLAG_FILTER_CHANGED (1<<0)
	#define I40E_VSI_FLAG_VEB_OWNER (1<<1)
	unsigned long flags;

	struct list_head mac_filter_list;

	/* VSI stats */
	struct rtnl_link_stats64 net_stats;
	struct rtnl_link_stats64 net_stats_offsets;
	struct i40e_eth_stats eth_stats;
	struct i40e_eth_stats eth_stats_offsets;
	u32 tx_restart;
	u32 tx_busy;
	u32 rx_buf_failed;
	u32 rx_page_failed;

	/* These are containers of ring pointers, allocated at run-time */
	struct i40e_ring **rx_rings;
	struct i40e_ring **tx_rings;

	u16 work_limit;
	/* high bit set means dynamic, use accessor routines to read/write.
	* hardware only supports 2us resolution for the ITR registers.
	* these values always store the USER setting, and must be converted
	* before programming to a register.
	*/
	u16 rx_itr_setting;
	u16 tx_itr_setting;

	u16 max_frame;
	u16 rx_hdr_len;
	u16 rx_buf_len;
	u8 dtype;

	/* List of q_vectors allocated to this VSI */
	struct i40e_q_vector **q_vectors;
	int num_q_vectors;
	int base_vector;

	u16 seid; /* HW index of this VSI (absolute index) */
	u16 id; /* VSI number */
	u16 uplink_seid;

	u16 base_queue; /* vsi's first queue in hw array */
	u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
	u16 num_queue_pairs; /* Used tx and rx pairs */
	u16 num_desc;
	enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */
	u16 vf_id; /* Virtual function ID for SRIOV VSIs */

	struct i40e_tc_configuration tc_config;
	struct i40e_aqc_vsi_properties_data info;

	/* VSI BW limit (absolute across all TCs) */
	u16 bw_limit; /* VSI BW Limit (0 = disabled) */
	u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */

	/* Relative TC credits across VSIs */
	u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
	/* TC BW limit credits within VSI */
	u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
	/* TC BW limit max quanta within VSI */
	u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];

	struct i40e_pf back; / Backreference to associated PF */
	u16 idx; /* index in pf->vsi[] */
	u16 veb_idx; /* index of VEB parent */
	struct kobject kobj; / sysfs object */

	/* VSI specific handlers */
	irqreturn_t (irq_handler)(int irq, void data);
	} ____cacheline_internodealigned_in_smp;

	struct i40e_netdev_priv {
	struct i40e_vsi *vsi;
	};

	/* struct that defines an interrupt vector */
	struct i40e_q_vector {
	struct i40e_vsi *vsi;

	u16 v_idx; /* index in the vsi->q_vector array. */
	u16 reg_idx; /* register index of the interrupt */

	struct napi_struct napi;

	struct i40e_ring_container rx;
	struct i40e_ring_container tx;

	u8 num_ringpairs; /* total number of ring pairs in vector */

	cpumask_t affinity_mask;
	struct rcu_head rcu; /* to avoid race with update stats on free */
	char name[IFNAMSIZ + 9];
	} ____cacheline_internodealigned_in_smp;

	/* lan device */
	struct i40e_device {
	struct list_head list;
	struct i40e_pf *pf;
	};

	/**
	* i40e_fw_version_str - format the FW and NVM version strings
	* @hw: ptr to the hardware info
	**/
	static inline char i40e_fw_version_str(struct i40e_hw hw)
	{
	static char buf[32];

	snprintf(buf, sizeof(buf),
	"f%d.%d a%d.%d n%02x.%02x e%08x",
	hw->aq.fw_maj_ver, hw->aq.fw_min_ver,
	hw->aq.api_maj_ver, hw->aq.api_min_ver,
	(hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
	I40E_NVM_VERSION_HI_SHIFT,
	(hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
	I40E_NVM_VERSION_LO_SHIFT,
	hw->nvm.eetrack);

	return buf;
	}

	/**
	* i40e_netdev_to_pf: Retrieve the PF struct for given netdev
	* @netdev: the corresponding netdev
	*
	* Return the PF struct for the given netdev
	**/
	static inline struct i40e_pf i40e_netdev_to_pf(struct net_device netdev)
	{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;

	return vsi->back;
	}

	static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
	irqreturn_t (irq_handler)(int, void ))
	{
	vsi->irq_handler = irq_handler;
	}

	/**
	* i40e_rx_is_programming_status - check for programming status descriptor
	* @qw: the first quad word of the program status descriptor
	*
	* The value of in the descriptor length field indicate if this
	* is a programming status descriptor for flow director or FCoE
	* by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
	* it is a packet descriptor.
	**/
	static inline bool i40e_rx_is_programming_status(u64 qw)
	{
	return I40E_RX_PROG_STATUS_DESC_LENGTH ==
	(qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
	}

	/* needed by i40e_ethtool.c */
	int i40e_up(struct i40e_vsi *vsi);
	void i40e_down(struct i40e_vsi *vsi);
	extern const char i40e_driver_name[];
	extern const char i40e_driver_version_str[];
	void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
	void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
	void i40e_update_stats(struct i40e_vsi *vsi);
	void i40e_update_eth_stats(struct i40e_vsi *vsi);
	struct rtnl_link_stats64 i40e_get_vsi_stats_struct(struct i40e_vsi vsi);
	int i40e_fetch_switch_configuration(struct i40e_pf *pf,
	bool printconfig);

	int i40e_program_fdir_filter(struct i40e_fdir_filter fdir_data, u8 raw_packet,
	struct i40e_pf *pf, bool add);
	int i40e_add_del_fdir(struct i40e_vsi *vsi,
	struct i40e_fdir_filter *input, bool add);
	void i40e_set_ethtool_ops(struct net_device *netdev);
	struct i40e_mac_filter i40e_add_filter(struct i40e_vsi vsi,
	u8 *macaddr, s16 vlan,
	bool is_vf, bool is_netdev);
	void i40e_del_filter(struct i40e_vsi vsi, u8 macaddr, s16 vlan,
	bool is_vf, bool is_netdev);
	int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
	struct i40e_vsi i40e_vsi_setup(struct i40e_pf pf, u8 type,
	u16 uplink, u32 param1);
	int i40e_vsi_release(struct i40e_vsi *vsi);
	struct i40e_vsi i40e_vsi_lookup(struct i40e_pf pf, enum i40e_vsi_type type,
	struct i40e_vsi *start_vsi);
	int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
	int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
	struct i40e_veb i40e_veb_setup(struct i40e_pf pf, u16 flags, u16 uplink_seid,
	u16 downlink_seid, u8 enabled_tc);
	void i40e_veb_release(struct i40e_veb *veb);

	int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
	i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
	void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
	void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
	void i40e_pf_reset_stats(struct i40e_pf *pf);
	#ifdef CONFIG_DEBUG_FS
	void i40e_dbg_pf_init(struct i40e_pf *pf);
	void i40e_dbg_pf_exit(struct i40e_pf *pf);
	void i40e_dbg_init(void);
	void i40e_dbg_exit(void);
	#else
	static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
	static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
	static inline void i40e_dbg_init(void) {}
	static inline void i40e_dbg_exit(void) {}
	#endif /* CONFIG_DEBUG_FS*/
	void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector);
	void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
	void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
	int i40e_ioctl(struct net_device netdev, struct ifreq ifr, int cmd);
	void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
	int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
	int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
	struct i40e_mac_filter i40e_put_mac_in_vlan(struct i40e_vsi vsi, u8 *macaddr,
	bool is_vf, bool is_netdev);
	bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
	struct i40e_mac_filter i40e_find_mac(struct i40e_vsi vsi, u8 *macaddr,
	bool is_vf, bool is_netdev);
	void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
	#ifdef CONFIG_I40E_DCB
	void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
	struct i40e_dcbx_config *new_cfg);
	void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
	void i40e_dcbnl_setup(struct i40e_vsi *vsi);
	bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
	struct i40e_dcbx_config *old_cfg,
	struct i40e_dcbx_config *new_cfg);
	#endif /* CONFIG_I40E_DCB */
	void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
	void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
	void i40e_ptp_rx_hwtstamp(struct i40e_pf pf, struct sk_buff skb, u8 index);
	void i40e_ptp_set_increment(struct i40e_pf *pf);
	int i40e_ptp_set_ts_config(struct i40e_pf pf, struct ifreq ifr);
	int i40e_ptp_get_ts_config(struct i40e_pf pf, struct ifreq ifr);
	void i40e_ptp_init(struct i40e_pf *pf);
	void i40e_ptp_stop(struct i40e_pf *pf);
	#endif /* _I40E_H_ */