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Release 4.11 drivers/net/ethernet/intel/i40e/i40e.h

/*******************************************************************************
 *
 * Intel Ethernet Controller XL710 Family Linux Driver
 * Copyright(c) 2013 - 2016 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/iommu.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/hashtable.h>
#include <linux/string.h>
#include <linux/in.h>
#include <linux/ip.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/if_bridge.h>
#include <linux/clocksource.h>
#include <linux/net_tstamp.h>
#include <linux/ptp_clock_kernel.h>
#include "i40e_type.h"
#include "i40e_prototype.h"
#ifdef I40E_FCOE
#include "i40e_fcoe.h"
#endif
#include "i40e_client.h"
#include "i40e_virtchnl.h"
#include "i40e_virtchnl_pf.h"
#include "i40e_txrx.h"
#include "i40e_dcb.h"

/* Useful i40e defaults */

#define I40E_MAX_VEB			16


#define I40E_MAX_NUM_DESCRIPTORS	4096

#define I40E_MAX_CSR_SPACE		(4 * 1024 * 1024 - 64 * 1024)

#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_MIN_VSI_ALLOC		83 
/* LAN, ATR, FCOE, 64 VF */
/* max 16 qps */

#define i40e_default_queues_per_vmdq(pf) \
		(((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1)

#define I40E_DEFAULT_QUEUES_PER_VF	4

#define I40E_DEFAULT_QUEUES_PER_TC	1 
/* should be a power of 2 */

#define i40e_pf_get_max_q_per_tc(pf) \
		(((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64)

#define I40E_FDIR_RING			0

#define I40E_FDIR_RING_COUNT		32
#ifdef I40E_FCOE

#define I40E_DEFAULT_FCOE		8 
/* default number of QPs for FCoE */

#define I40E_MINIMUM_FCOE		1 
/* minimum number of QPs for FCoE */
#endif /* I40E_FCOE */

#define I40E_MAX_AQ_BUF_SIZE		4096

#define I40E_AQ_LEN			256

#define I40E_AQ_WORK_LIMIT		66 
/* max number of VFs + a little */

#define I40E_MAX_USER_PRIORITY		8

#define I40E_DEFAULT_TRAFFIC_CLASS	BIT(0)

#define I40E_DEFAULT_MSG_ENABLE		4

#define I40E_QUEUE_WAIT_RETRY_LIMIT	10

#define I40E_INT_NAME_STR_LEN		(IFNAMSIZ + 16)

/* Ethtool Private Flags */

#define I40E_PRIV_FLAGS_MFP_FLAG		BIT(0)

#define I40E_PRIV_FLAGS_LINKPOLL_FLAG		BIT(1)

#define I40E_PRIV_FLAGS_FD_ATR			BIT(2)

#define I40E_PRIV_FLAGS_VEB_STATS		BIT(3)

#define I40E_PRIV_FLAGS_HW_ATR_EVICT		BIT(4)

#define I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT	BIT(5)


#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)

#define I40E_OEM_VER_BUILD_MASK		0xffff

#define I40E_OEM_VER_PATCH_MASK		0xff

#define I40E_OEM_VER_BUILD_SHIFT	8

#define I40E_OEM_VER_SHIFT		24

#define I40E_PHY_DEBUG_ALL \
	(I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
        I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)

/* 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


#define I40E_RX_DESC(R, 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_EMP_RESET_INTR_RECEIVED,
	
__I40E_FILTER_OVERFLOW_PROMISC,
	
__I40E_SUSPENDED,
	
__I40E_PTP_TX_IN_PROGRESS,
	
__I40E_BAD_EEPROM,
	
__I40E_DOWN_REQUESTED,
	
__I40E_FD_FLUSH_REQUESTED,
	
__I40E_RESET_FAILED,
	
__I40E_PORT_TX_SUSPENDED,
	
__I40E_VF_DISABLE,
};


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_IWARP_IRQ_PILE_ID  (I40E_PILE_VALID_BIT - 2)
};


#define I40E_DEFAULT_ATR_SAMPLE_RATE	20

#define I40E_FDIR_MAX_RAW_PACKET_SIZE	512

#define I40E_FDIR_BUFFER_FULL_MARGIN	10

#define I40E_FDIR_BUFFER_HEAD_ROOM	32

#define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)


#define I40E_HKEY_ARRAY_SIZE	((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)

#define I40E_HLUT_ARRAY_SIZE	((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)

#define I40E_VF_HLUT_ARRAY_SIZE	((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)


enum i40e_fd_stat_idx {
	
I40E_FD_STAT_ATR,
	
I40E_FD_STAT_SB,
	
I40E_FD_STAT_ATR_TUNNEL,
	
I40E_FD_STAT_PF_COUNT
};

#define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)

#define I40E_FD_ATR_STAT_IDX(pf_id) \
			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)

#define I40E_FD_SB_STAT_IDX(pf_id)  \
			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)

#define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)


struct i40e_fdir_filter {
	
struct hlist_node fdir_node;
	/* filter ipnut set */
	
u8 flow_type;
	
u8 ip4_proto;
	/* TX packet view of src and dst */
	
__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
/* 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 i40e_udp_port_config {
	
__be16 index;
	
u8 type;
};

/* struct that defines the Ethernet device */

struct i40e_pf {
	
struct pci_dev *pdev;
	
struct i40e_hw hw;
	
unsigned long state;
	
struct msix_entry *msix_entries;
	
bool fc_autoneg_status;

	
u16 eeprom_version;
	
u16 num_vmdq_vsis;         /* num vmdq vsis 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 */
#ifdef I40E_FCOE
	
u16 num_fcoe_qps;          /* num fcoe queues this PF has set up */
	
u16 num_fcoe_msix;         /* num queue vectors per fcoe pool */
#endif /* I40E_FCOE */
	
u16 num_lan_qps;           /* num lan queues this PF has set up */
	
u16 num_lan_msix;          /* num queue vectors for the base PF vsi */
	
u16 num_fdsb_msix;         /* num queue vectors for sideband Fdir */
	
u16 num_iwarp_msix;        /* num of iwarp vectors for this PF */
	
int iwarp_base_vector;
	
int queues_left;           /* queues left unclaimed */
	
u16 alloc_rss_size;        /* allocated RSS queues */
	
u16 rss_size_max;          /* HW defined max RSS queues */
	
u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
	
u16 num_alloc_vsi;         /* num VSIs this driver supports */
	
u8 atr_sample_rate;
	
bool wol_en;

	
struct hlist_head fdir_filter_list;
	
u16 fdir_pf_active_filters;
	
unsigned long fd_flush_timestamp;
	
u32 fd_flush_cnt;
	
u32 fd_add_err;
	
u32 fd_atr_cnt;
	
u32 fd_tcp_rule;

	
struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
	
u16 pending_udp_bitmap;

	
enum i40e_interrupt_policy int_policy;
	
u16 rx_itr_default;
	
u16 tx_itr_default;
	
u32 msg_enable;
	
char int_name[I40E_INT_NAME_STR_LEN];
	
u16 adminq_work_limit; /* num of admin receive queue desc to process */
	
unsigned long service_timer_period;
	
unsigned long service_timer_previous;
	
struct timer_list service_timer;
	
struct work_struct service_task;

	
u64 flags;

#define I40E_FLAG_RX_CSUM_ENABLED		BIT_ULL(1)

#define I40E_FLAG_MSI_ENABLED			BIT_ULL(2)

#define I40E_FLAG_MSIX_ENABLED			BIT_ULL(3)

#define I40E_FLAG_RSS_ENABLED			BIT_ULL(6)

#define I40E_FLAG_VMDQ_ENABLED			BIT_ULL(7)

#define I40E_FLAG_FDIR_REQUIRES_REINIT		BIT_ULL(8)

#define I40E_FLAG_NEED_LINK_UPDATE		BIT_ULL(9)

#define I40E_FLAG_IWARP_ENABLED			BIT_ULL(10)
#ifdef I40E_FCOE

#define I40E_FLAG_FCOE_ENABLED			BIT_ULL(11)
#endif /* I40E_FCOE */

#define I40E_FLAG_CLEAN_ADMINQ			BIT_ULL(14)

#define I40E_FLAG_FILTER_SYNC			BIT_ULL(15)

#define I40E_FLAG_SERVICE_CLIENT_REQUESTED	BIT_ULL(16)

#define I40E_FLAG_PROCESS_MDD_EVENT		BIT_ULL(17)

#define I40E_FLAG_PROCESS_VFLR_EVENT		BIT_ULL(18)

#define I40E_FLAG_SRIOV_ENABLED			BIT_ULL(19)

#define I40E_FLAG_DCB_ENABLED			BIT_ULL(20)

#define I40E_FLAG_FD_SB_ENABLED			BIT_ULL(21)

#define I40E_FLAG_FD_ATR_ENABLED		BIT_ULL(22)

#define I40E_FLAG_PTP				BIT_ULL(25)

#define I40E_FLAG_MFP_ENABLED			BIT_ULL(26)

#define I40E_FLAG_UDP_FILTER_SYNC		BIT_ULL(27)

#define I40E_FLAG_PORT_ID_VALID			BIT_ULL(28)

#define I40E_FLAG_DCB_CAPABLE			BIT_ULL(29)

#define I40E_FLAG_RSS_AQ_CAPABLE		BIT_ULL(31)

#define I40E_FLAG_HW_ATR_EVICT_CAPABLE		BIT_ULL(32)

#define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE	BIT_ULL(33)

#define I40E_FLAG_128_QP_RSS_CAPABLE		BIT_ULL(34)

#define I40E_FLAG_WB_ON_ITR_CAPABLE		BIT_ULL(35)

#define I40E_FLAG_VEB_STATS_ENABLED		BIT_ULL(37)

#define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE	BIT_ULL(38)

#define I40E_FLAG_LINK_POLLING_ENABLED		BIT_ULL(39)

#define I40E_FLAG_VEB_MODE_ENABLED		BIT_ULL(40)

#define I40E_FLAG_GENEVE_OFFLOAD_CAPABLE	BIT_ULL(41)

#define I40E_FLAG_NO_PCI_LINK_CHECK		BIT_ULL(42)

#define I40E_FLAG_100M_SGMII_CAPABLE		BIT_ULL(43)

#define I40E_FLAG_RESTART_AUTONEG		BIT_ULL(44)

#define I40E_FLAG_NO_DCB_SUPPORT		BIT_ULL(45)

#define I40E_FLAG_USE_SET_LLDP_MIB		BIT_ULL(46)

#define I40E_FLAG_STOP_FW_LLDP			BIT_ULL(47)

#define I40E_FLAG_PHY_CONTROLS_LEDS		BIT_ULL(48)

#define I40E_FLAG_PF_MAC			BIT_ULL(50)

#define I40E_FLAG_TRUE_PROMISC_SUPPORT		BIT_ULL(51)

#define I40E_FLAG_HAVE_CRT_RETIMER		BIT_ULL(52)

#define I40E_FLAG_PTP_L4_CAPABLE		BIT_ULL(53)

#define I40E_FLAG_WOL_MC_MAGIC_PKT_WAKE		BIT_ULL(54)

#define I40E_FLAG_TEMP_LINK_POLLING		BIT_ULL(55)

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

#ifdef I40E_FCOE
	
struct i40e_fcoe fcoe;

#endif /* I40E_FCOE */
	
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 tx_sluggish_count;
	
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 kobject *switch_kobj;
#ifdef CONFIG_DEBUG_FS
	
struct dentry *i40e_dbg_pf;
#endif /* CONFIG_DEBUG_FS */
	
bool cur_promisc;

	
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;
	
u32 arq_overflows;	/* Not fatal, possibly indicative of problems */

	/* 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 hwtstamp_config tstamp_config;
	
struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */
	
u64 ptp_base_adj;
	
u32 tx_hwtstamp_timeouts;
	
u32 rx_hwtstamp_cleared;
	
u32 latch_event_flags;
	
spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */
	
unsigned long latch_events[4];
	
bool ptp_tx;
	
bool ptp_rx;
	
u16 rss_table_size; /* HW RSS table size */
	/* These are only valid in NPAR modes */
	
u32 npar_max_bw;
	
u32 npar_min_bw;

	
u32 ioremap_len;
	
u32 fd_inv;
	
u16 phy_led_val;
};

/**
 * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key
 * @macaddr: the MAC Address as the base key
 *
 * Simply copies the address and returns it as a u64 for hashing
 **/

static inline u64 i40e_addr_to_hkey(const u8 *macaddr) { u64 key = 0; ether_addr_copy((u8 *)&key, macaddr); return key; }

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Total32100.00%1100.00%

enum i40e_filter_state { I40E_FILTER_INVALID = 0, /* Invalid state */ I40E_FILTER_NEW, /* New, not sent to FW yet */ I40E_FILTER_ACTIVE, /* Added to switch by FW */ I40E_FILTER_FAILED, /* Rejected by FW */ I40E_FILTER_REMOVE, /* To be removed */ /* There is no 'removed' state; the filter struct is freed */ }; struct i40e_mac_filter { struct hlist_node hlist; u8 macaddr[ETH_ALEN]; #define I40E_VLAN_ANY -1 s16 vlan; enum i40e_filter_state state; }; /* Wrapper structure to keep track of filters while we are preparing to send * firmware commands. We cannot send firmware commands while holding a * spinlock, since it might sleep. To avoid this, we wrap the added filters in * a separate structure, which will track the state change and update the real * filter while under lock. We can't simply hold the filters in a separate * list, as this opens a window for a race condition when adding new MAC * addresses to all VLANs, or when adding new VLANs to all MAC addresses. */ struct i40e_new_mac_filter { struct hlist_node hlist; struct i40e_mac_filter *f; /* Track future changes to state separately */ enum i40e_filter_state state; }; 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 bridge_mode; /* Bridge Mode (VEB/VEPA) */ 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 i40e_veb_tc_stats tc_stats; struct i40e_veb_tc_stats tc_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 BIT(0) #define I40E_VSI_FLAG_VEB_OWNER BIT(1) unsigned long flags; /* Per VSI lock to protect elements/hash (MAC filter) */ spinlock_t mac_filter_hash_lock; /* Fixed size hash table with 2^8 buckets for MAC filters */ DECLARE_HASHTABLE(mac_filter_hash, 8); bool has_vlan_filter; /* 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; #ifdef I40E_FCOE struct i40e_fcoe_stats fcoe_stats; struct i40e_fcoe_stats fcoe_stats_offsets; bool fcoe_stat_offsets_loaded; #endif u32 tx_restart; u32 tx_busy; u64 tx_linearize; u64 tx_force_wb; u64 tx_lost_interrupt; 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; u32 active_filters; u32 promisc_threshold; u16 work_limit; u16 int_rate_limit; /* value in usecs */ u16 rss_table_size; /* HW RSS table size */ u16 rss_size; /* Allocated RSS queues */ u8 *rss_hkey_user; /* User configured hash keys */ u8 *rss_lut_user; /* User configured lookup table entries */ u16 max_frame; u16 rx_buf_len; /* List of q_vectors allocated to this VSI */ struct i40e_q_vector **q_vectors; int num_q_vectors; int base_vector; bool irqs_ready; 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 req_queue_pairs; /* User requested queue pairs */ u16 num_queue_pairs; /* Used tx and rx pairs */ u16 num_desc; enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ s16 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 */ bool current_isup; /* Sync 'link up' logging */ enum i40e_aq_link_speed current_speed; /* Sync link speed logging */ void *priv; /* client driver data reference. */ /* 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 */ #define I40E_Q_VECTOR_HUNG_DETECT 0 /* Bit Index for hung detection logic */ unsigned long hung_detected; /* Set/Reset for hung_detection logic */ cpumask_t affinity_mask; struct irq_affinity_notify affinity_notify; struct rcu_head rcu; /* to avoid race with update stats on free */ char name[I40E_INT_NAME_STR_LEN]; bool arm_wb_state; #define ITR_COUNTDOWN_START 100 u8 itr_countdown; /* when 0 should adjust ITR */ } ____cacheline_internodealigned_in_smp; /* lan device */ struct i40e_device { struct list_head list; struct i40e_pf *pf; }; /** * i40e_nvm_version_str - format the NVM version strings * @hw: ptr to the hardware info **/
static inline char *i40e_nvm_version_str(struct i40e_hw *hw) { static char buf[32]; u32 full_ver; u8 ver, patch; u16 build; full_ver = hw->nvm.oem_ver; ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT); build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) & I40E_OEM_VER_BUILD_MASK); patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK); snprintf(buf, sizeof(buf), "%x.%02x 0x%x %d.%d.%d", (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, ver, build, patch); return buf; }

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Carolyn Wyborny7861.42%240.00%
Jesse Brandeburg4434.65%120.00%
Shannon Nelson53.94%240.00%
Total127100.00%5100.00%

/** * 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; }

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Jesse Brandeburg38100.00%1100.00%
Total38100.00%1100.00%


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

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Jesse Brandeburg30100.00%1100.00%
Total30100.00%1100.00%

/** * 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); }

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Jesse Brandeburg19100.00%1100.00%
Total19100.00%1100.00%

/** * i40e_get_fd_cnt_all - get the total FD filter space available * @pf: pointer to the PF struct **/
static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) { return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; }

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Anjali Singhai Jain23100.00%1100.00%
Total23100.00%1100.00%

/* 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); int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut, u16 rss_table_size, u16 rss_size); struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); /** * i40e_find_vsi_by_type - Find and return Flow Director VSI * @pf: PF to search for VSI * @type: Value indicating type of VSI we are looking for **/
static inline struct i40e_vsi * i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type) { int i; for (i = 0; i < pf->num_alloc_vsi; i++) { struct i40e_vsi *vsi = pf->vsi[i]; if (vsi && vsi->type == type) return vsi; } return NULL; }

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Alexander Duyck65100.00%1100.00%
Total65100.00%1100.00%

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_add_del_fdir(struct i40e_vsi *vsi, struct i40e_fdir_filter *input, bool add); void i40e_fdir_check_and_reenable(struct i40e_pf *pf); u32 i40e_get_current_fd_count(struct i40e_pf *pf); u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); u32 i40e_get_global_fd_count(struct i40e_pf *pf); bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); void i40e_set_ethtool_ops(struct net_device *netdev); struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan); void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f); void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan); 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); #ifdef I40E_FCOE void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt, u8 enabled_tc, bool is_add); #endif void i40e_service_event_schedule(struct i40e_pf *pf); void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, u8 *msg, u16 len); int i40e_vsi_start_rings(struct i40e_vsi *vsi); void i40e_vsi_stop_rings(struct i40e_vsi *vsi); 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); int 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) {}

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Jesse Brandeburg11100.00%1100.00%
Total11100.00%1100.00%


static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}

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Jesse Brandeburg11100.00%1100.00%
Total11100.00%1100.00%


static inline void i40e_dbg_init(void) {}

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Jesse Brandeburg8100.00%1100.00%
Total8100.00%1100.00%


static inline void i40e_dbg_exit(void) {}

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Jesse Brandeburg8100.00%1100.00%
Total8100.00%1100.00%

#endif /* CONFIG_DEBUG_FS*/ /* needed by client drivers */ int i40e_lan_add_device(struct i40e_pf *pf); int i40e_lan_del_device(struct i40e_pf *pf); void i40e_client_subtask(struct i40e_pf *pf); void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi); void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset); void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs); void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id); int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id, enum i40e_client_type type); /** * i40e_irq_dynamic_enable - Enable default interrupt generation settings * @vsi: pointer to a vsi * @vector: enable a particular Hw Interrupt vector, without base_vector **/
static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) { struct i40e_pf *pf = vsi->back; struct i40e_hw *hw = &pf->hw; u32 val; /* definitely clear the PBA here, as this function is meant to * clean out all previous interrupts AND enable the interrupt */ val = I40E_PFINT_DYN_CTLN_INTENA_MASK | I40E_PFINT_DYN_CTLN_CLEARPBA_MASK | (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val); /* skip the flush */ }

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Jesse Brandeburg69100.00%3100.00%
Total69100.00%3100.00%

void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf, bool clearpba); #ifdef I40E_FCOE void i40e_get_netdev_stats_struct(struct net_device *netdev, struct rtnl_link_stats64 *storage); int i40e_set_mac(struct net_device *netdev, void *p); void i40e_set_rx_mode(struct net_device *netdev); #endif int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); #ifdef I40E_FCOE void i40e_tx_timeout(struct net_device *netdev); int i40e_vlan_rx_add_vid(struct net_device *netdev, __always_unused __be16 proto, u16 vid); int i40e_vlan_rx_kill_vid(struct net_device *netdev, __always_unused __be16 proto, u16 vid); #endif int i40e_open(struct net_device *netdev); int i40e_close(struct net_device *netdev); int i40e_vsi_open(struct i40e_vsi *vsi); void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); int i40e_vsi_add_vlan(struct i40e_vsi *vsi, u16 vid); void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, u16 vid); struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr); int i40e_del_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr); bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr); #ifdef I40E_FCOE int __i40e_setup_tc(struct net_device *netdev, u32 handle, __be16 proto, struct tc_to_netdev *tc); void i40e_netpoll(struct net_device *netdev); int i40e_fcoe_enable(struct net_device *netdev); int i40e_fcoe_disable(struct net_device *netdev); int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); void i40e_fcoe_vsi_setup(struct i40e_pf *pf); void i40e_init_pf_fcoe(struct i40e_pf *pf); int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, union i40e_rx_desc *rx_desc, struct sk_buff *skb); void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, union i40e_rx_desc *rx_desc, u8 prog_id); #endif /* I40E_FCOE */ 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 *old_cfg, 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); int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf); i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf); i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf); void i40e_print_link_message(struct i40e_vsi *vsi, bool isup); #endif /* _I40E_H_ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Jesse Brandeburg169047.51%138.90%
Anjali Singhai Jain47713.41%3826.03%
Vasu Dev3349.39%10.68%
Jacob E Keller2767.76%128.22%
Neerav Parikh1333.74%106.85%
Carolyn Wyborny1163.26%85.48%
Mitch A Williams882.47%128.22%
Alexander Duyck782.19%32.05%
Joseph Gasparakis611.71%21.37%
Helin Zhang591.66%42.74%
Shannon Nelson531.49%1510.27%
Greg Rose461.29%32.05%
Alan Brady230.65%21.37%
Filip Sadowski160.45%21.37%
Matt Jared160.45%10.68%
Jeff Kirsher150.42%21.37%
Kiran Patil110.31%21.37%
John Fastabend100.28%21.37%
Stefan Assmann90.25%10.68%
Elizabeth Kappler90.25%10.68%
Harshitha Ramamurthy80.22%21.37%
Sowmini Varadhan40.11%10.68%
Catherine Sullivan40.11%10.68%
Dave Ertman40.11%10.68%
Joshua Hay40.11%10.68%
Tushar Dave40.11%10.68%
Kevin Scott30.08%10.68%
Akeem G. Abodunrin20.06%10.68%
Jakub Kiciński20.06%10.68%
Henry Tieman10.03%10.68%
Stephen Hemminger10.03%10.68%
Total3557100.00%146100.00%
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