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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 1999 - 2018 Intel Corporation. */
#ifndef _IXGBE_H_
#define _IXGBE_H_
#include <linux/bitops.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/cpumask.h>
#include <linux/aer.h>
#include <linux/if_vlan.h>
#include <linux/jiffies.h>
#include <linux/timecounter.h>
#include <linux/net_tstamp.h>
#include <linux/ptp_clock_kernel.h>
#include "ixgbe_type.h"
#include "ixgbe_common.h"
#include "ixgbe_dcb.h"
#if IS_ENABLED(CONFIG_FCOE)
#define IXGBE_FCOE
#include "ixgbe_fcoe.h"
#endif /* IS_ENABLED(CONFIG_FCOE) */
#ifdef CONFIG_IXGBE_DCA
#include <linux/dca.h>
#endif
#include "ixgbe_ipsec.h"
#include <net/xdp.h>
#include <net/busy_poll.h>
/* common prefix used by pr_<> macros */
#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
/* TX/RX descriptor defines */
#define IXGBE_DEFAULT_TXD 512
#define IXGBE_DEFAULT_TX_WORK 256
#define IXGBE_MAX_TXD 4096
#define IXGBE_MIN_TXD 64
#if (PAGE_SIZE < 8192)
#define IXGBE_DEFAULT_RXD 512
#else
#define IXGBE_DEFAULT_RXD 128
#endif
#define IXGBE_MAX_RXD 4096
#define IXGBE_MIN_RXD 64
#define IXGBE_ETH_P_LLDP 0x88CC
/* flow control */
#define IXGBE_MIN_FCRTL 0x40
#define IXGBE_MAX_FCRTL 0x7FF80
#define IXGBE_MIN_FCRTH 0x600
#define IXGBE_MAX_FCRTH 0x7FFF0
#define IXGBE_DEFAULT_FCPAUSE 0xFFFF
#define IXGBE_MIN_FCPAUSE 0
#define IXGBE_MAX_FCPAUSE 0xFFFF
/* Supported Rx Buffer Sizes */
#define IXGBE_RXBUFFER_256 256 /* Used for skb receive header */
#define IXGBE_RXBUFFER_1536 1536
#define IXGBE_RXBUFFER_2K 2048
#define IXGBE_RXBUFFER_3K 3072
#define IXGBE_RXBUFFER_4K 4096
#define IXGBE_MAX_RXBUFFER 16384 /* largest size for a single descriptor */
/* Attempt to maximize the headroom available for incoming frames. We
* use a 2K buffer for receives and need 1536/1534 to store the data for
* the frame. This leaves us with 512 bytes of room. From that we need
* to deduct the space needed for the shared info and the padding needed
* to IP align the frame.
*
* Note: For cache line sizes 256 or larger this value is going to end
* up negative. In these cases we should fall back to the 3K
* buffers.
*/
#if (PAGE_SIZE < 8192)
#define IXGBE_MAX_2K_FRAME_BUILD_SKB (IXGBE_RXBUFFER_1536 - NET_IP_ALIGN)
#define IXGBE_2K_TOO_SMALL_WITH_PADDING \
((NET_SKB_PAD + IXGBE_RXBUFFER_1536) > SKB_WITH_OVERHEAD(IXGBE_RXBUFFER_2K))
static inline int ixgbe_compute_pad(int rx_buf_len)
{
int page_size, pad_size;
page_size = ALIGN(rx_buf_len, PAGE_SIZE / 2);
pad_size = SKB_WITH_OVERHEAD(page_size) - rx_buf_len;
return pad_size;
}
static inline int ixgbe_skb_pad(void)
{
int rx_buf_len;
/* If a 2K buffer cannot handle a standard Ethernet frame then
* optimize padding for a 3K buffer instead of a 1.5K buffer.
*
* For a 3K buffer we need to add enough padding to allow for
* tailroom due to NET_IP_ALIGN possibly shifting us out of
* cache-line alignment.
*/
if (IXGBE_2K_TOO_SMALL_WITH_PADDING)
rx_buf_len = IXGBE_RXBUFFER_3K + SKB_DATA_ALIGN(NET_IP_ALIGN);
else
rx_buf_len = IXGBE_RXBUFFER_1536;
/* if needed make room for NET_IP_ALIGN */
rx_buf_len -= NET_IP_ALIGN;
return ixgbe_compute_pad(rx_buf_len);
}
#define IXGBE_SKB_PAD ixgbe_skb_pad()
#else
#define IXGBE_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)
#endif
/*
* NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN means we
* reserve 64 more, and skb_shared_info adds an additional 320 bytes more,
* this adds up to 448 bytes of extra data.
*
* Since netdev_alloc_skb now allocates a page fragment we can use a value
* of 256 and the resultant skb will have a truesize of 960 or less.
*/
#define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_256
/* How many Rx Buffers do we bundle into one write to the hardware ? */
#define IXGBE_RX_BUFFER_WRITE 16 /* Must be power of 2 */
#define IXGBE_RX_DMA_ATTR \
(DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING)
enum ixgbe_tx_flags {
/* cmd_type flags */
IXGBE_TX_FLAGS_HW_VLAN = 0x01,
IXGBE_TX_FLAGS_TSO = 0x02,
IXGBE_TX_FLAGS_TSTAMP = 0x04,
/* olinfo flags */
IXGBE_TX_FLAGS_CC = 0x08,
IXGBE_TX_FLAGS_IPV4 = 0x10,
IXGBE_TX_FLAGS_CSUM = 0x20,
IXGBE_TX_FLAGS_IPSEC = 0x40,
/* software defined flags */
IXGBE_TX_FLAGS_SW_VLAN = 0x80,
IXGBE_TX_FLAGS_FCOE = 0x100,
};
/* VLAN info */
#define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000
#define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0xe0000000
#define IXGBE_TX_FLAGS_VLAN_PRIO_SHIFT 29
#define IXGBE_TX_FLAGS_VLAN_SHIFT 16
#define IXGBE_MAX_VF_MC_ENTRIES 30
#define IXGBE_MAX_VF_FUNCTIONS 64
#define IXGBE_MAX_VFTA_ENTRIES 128
#define MAX_EMULATION_MAC_ADDRS 16
#define IXGBE_MAX_PF_MACVLANS 15
#define VMDQ_P(p) ((p) + adapter->ring_feature[RING_F_VMDQ].offset)
#define IXGBE_82599_VF_DEVICE_ID 0x10ED
#define IXGBE_X540_VF_DEVICE_ID 0x1515
struct vf_data_storage {
struct pci_dev *vfdev;
unsigned char vf_mac_addresses[ETH_ALEN];
u16 vf_mc_hashes[IXGBE_MAX_VF_MC_ENTRIES];
u16 num_vf_mc_hashes;
bool clear_to_send;
bool pf_set_mac;
u16 pf_vlan; /* When set, guest VLAN config not allowed. */
u16 pf_qos;
u16 tx_rate;
u8 spoofchk_enabled;
bool rss_query_enabled;
u8 trusted;
int xcast_mode;
unsigned int vf_api;
};
enum ixgbevf_xcast_modes {
IXGBEVF_XCAST_MODE_NONE = 0,
IXGBEVF_XCAST_MODE_MULTI,
IXGBEVF_XCAST_MODE_ALLMULTI,
IXGBEVF_XCAST_MODE_PROMISC,
};
struct vf_macvlans {
struct list_head l;
int vf;
bool free;
bool is_macvlan;
u8 vf_macvlan[ETH_ALEN];
};
#define IXGBE_MAX_TXD_PWR 14
#define IXGBE_MAX_DATA_PER_TXD (1u << IXGBE_MAX_TXD_PWR)
/* Tx Descriptors needed, worst case */
#define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IXGBE_MAX_DATA_PER_TXD)
#define DESC_NEEDED (MAX_SKB_FRAGS + 4)
/* wrapper around a pointer to a socket buffer,
* so a DMA handle can be stored along with the buffer */
struct ixgbe_tx_buffer {
union ixgbe_adv_tx_desc *next_to_watch;
unsigned long time_stamp;
union {
struct sk_buff *skb;
struct xdp_frame *xdpf;
};
unsigned int bytecount;
unsigned short gso_segs;
__be16 protocol;
DEFINE_DMA_UNMAP_ADDR(dma);
DEFINE_DMA_UNMAP_LEN(len);
u32 tx_flags;
};
struct ixgbe_rx_buffer {
struct sk_buff *skb;
dma_addr_t dma;
struct page *page;
#if (BITS_PER_LONG > 32) || (PAGE_SIZE >= 65536)
__u32 page_offset;
#else
__u16 page_offset;
#endif
__u16 pagecnt_bias;
};
struct ixgbe_queue_stats {
u64 packets;
u64 bytes;
};
struct ixgbe_tx_queue_stats {
u64 restart_queue;
u64 tx_busy;
u64 tx_done_old;
};
struct ixgbe_rx_queue_stats {
u64 rsc_count;
u64 rsc_flush;
u64 non_eop_descs;
u64 alloc_rx_page;
u64 alloc_rx_page_failed;
u64 alloc_rx_buff_failed;
u64 csum_err;
};
#define IXGBE_TS_HDR_LEN 8
enum ixgbe_ring_state_t {
__IXGBE_RX_3K_BUFFER,
__IXGBE_RX_BUILD_SKB_ENABLED,
__IXGBE_RX_RSC_ENABLED,
__IXGBE_RX_CSUM_UDP_ZERO_ERR,
__IXGBE_RX_FCOE,
__IXGBE_TX_FDIR_INIT_DONE,
__IXGBE_TX_XPS_INIT_DONE,
__IXGBE_TX_DETECT_HANG,
__IXGBE_HANG_CHECK_ARMED,
__IXGBE_TX_XDP_RING,
};
#define ring_uses_build_skb(ring) \
test_bit(__IXGBE_RX_BUILD_SKB_ENABLED, &(ring)->state)
struct ixgbe_fwd_adapter {
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
struct net_device *netdev;
unsigned int tx_base_queue;
unsigned int rx_base_queue;
int pool;
};
#define check_for_tx_hang(ring) \
test_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
#define set_check_for_tx_hang(ring) \
set_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
#define clear_check_for_tx_hang(ring) \
clear_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
#define ring_is_rsc_enabled(ring) \
test_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
#define set_ring_rsc_enabled(ring) \
set_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
#define clear_ring_rsc_enabled(ring) \
clear_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
#define ring_is_xdp(ring) \
test_bit(__IXGBE_TX_XDP_RING, &(ring)->state)
#define set_ring_xdp(ring) \
set_bit(__IXGBE_TX_XDP_RING, &(ring)->state)
#define clear_ring_xdp(ring) \
clear_bit(__IXGBE_TX_XDP_RING, &(ring)->state)
struct ixgbe_ring {
struct ixgbe_ring *next; /* pointer to next ring in q_vector */
struct ixgbe_q_vector *q_vector; /* backpointer to host q_vector */
struct net_device *netdev; /* netdev ring belongs to */
struct bpf_prog *xdp_prog;
struct device *dev; /* device for DMA mapping */
void *desc; /* descriptor ring memory */
union {
struct ixgbe_tx_buffer *tx_buffer_info;
struct ixgbe_rx_buffer *rx_buffer_info;
};
unsigned long state;
u8 __iomem *tail;
dma_addr_t dma; /* phys. address of descriptor ring */
unsigned int size; /* length in bytes */
u16 count; /* amount of descriptors */
u8 queue_index; /* needed for multiqueue queue management */
u8 reg_idx; /* holds the special value that gets
* the hardware register offset
* associated with this ring, which is
* different for DCB and RSS modes
*/
u16 next_to_use;
u16 next_to_clean;
unsigned long last_rx_timestamp;
union {
u16 next_to_alloc;
struct {
u8 atr_sample_rate;
u8 atr_count;
};
};
u8 dcb_tc;
struct ixgbe_queue_stats stats;
struct u64_stats_sync syncp;
union {
struct ixgbe_tx_queue_stats tx_stats;
struct ixgbe_rx_queue_stats rx_stats;
};
struct xdp_rxq_info xdp_rxq;
} ____cacheline_internodealigned_in_smp;
enum ixgbe_ring_f_enum {
RING_F_NONE = 0,
RING_F_VMDQ, /* SR-IOV uses the same ring feature */
RING_F_RSS,
RING_F_FDIR,
#ifdef IXGBE_FCOE
RING_F_FCOE,
#endif /* IXGBE_FCOE */
RING_F_ARRAY_SIZE /* must be last in enum set */
};
#define IXGBE_MAX_RSS_INDICES 16
#define IXGBE_MAX_RSS_INDICES_X550 63
#define IXGBE_MAX_VMDQ_INDICES 64
#define IXGBE_MAX_FDIR_INDICES 63 /* based on q_vector limit */
#define IXGBE_MAX_FCOE_INDICES 8
#define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1)
#define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1)
#define MAX_XDP_QUEUES (IXGBE_MAX_FDIR_INDICES + 1)
#define IXGBE_MAX_L2A_QUEUES 4
#define IXGBE_BAD_L2A_QUEUE 3
#define IXGBE_MAX_MACVLANS 63
struct ixgbe_ring_feature {
u16 limit; /* upper limit on feature indices */
u16 indices; /* current value of indices */
u16 mask; /* Mask used for feature to ring mapping */
u16 offset; /* offset to start of feature */
} ____cacheline_internodealigned_in_smp;
#define IXGBE_82599_VMDQ_8Q_MASK 0x78
#define IXGBE_82599_VMDQ_4Q_MASK 0x7C
#define IXGBE_82599_VMDQ_2Q_MASK 0x7E
/*
* FCoE requires that all Rx buffers be over 2200 bytes in length. Since
* this is twice the size of a half page we need to double the page order
* for FCoE enabled Rx queues.
*/
static inline unsigned int ixgbe_rx_bufsz(struct ixgbe_ring *ring)
{
if (test_bit(__IXGBE_RX_3K_BUFFER, &ring->state))
return IXGBE_RXBUFFER_3K;
#if (PAGE_SIZE < 8192)
if (ring_uses_build_skb(ring))
return IXGBE_MAX_2K_FRAME_BUILD_SKB;
#endif
return IXGBE_RXBUFFER_2K;
}
static inline unsigned int ixgbe_rx_pg_order(struct ixgbe_ring *ring)
{
#if (PAGE_SIZE < 8192)
if (test_bit(__IXGBE_RX_3K_BUFFER, &ring->state))
return 1;
#endif
return 0;
}
#define ixgbe_rx_pg_size(_ring) (PAGE_SIZE << ixgbe_rx_pg_order(_ring))
#define IXGBE_ITR_ADAPTIVE_MIN_INC 2
#define IXGBE_ITR_ADAPTIVE_MIN_USECS 10
#define IXGBE_ITR_ADAPTIVE_MAX_USECS 126
#define IXGBE_ITR_ADAPTIVE_LATENCY 0x80
#define IXGBE_ITR_ADAPTIVE_BULK 0x00
struct ixgbe_ring_container {
struct ixgbe_ring *ring; /* pointer to linked list of rings */
unsigned long next_update; /* jiffies value of last update */
unsigned int total_bytes; /* total bytes processed this int */
unsigned int total_packets; /* total packets processed this int */
u16 work_limit; /* total work allowed per interrupt */
u8 count; /* total number of rings in vector */
u8 itr; /* current ITR setting for ring */
};
/* iterator for handling rings in ring container */
#define ixgbe_for_each_ring(pos, head) \
for (pos = (head).ring; pos != NULL; pos = pos->next)
#define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \
? 8 : 1)
#define MAX_TX_PACKET_BUFFERS MAX_RX_PACKET_BUFFERS
/* MAX_Q_VECTORS of these are allocated,
* but we only use one per queue-specific vector.
*/
struct ixgbe_q_vector {
struct ixgbe_adapter *adapter;
#ifdef CONFIG_IXGBE_DCA
int cpu; /* CPU for DCA */
#endif
u16 v_idx; /* index of q_vector within array, also used for
* finding the bit in EICR and friends that
* represents the vector for this ring */
u16 itr; /* Interrupt throttle rate written to EITR */
struct ixgbe_ring_container rx, tx;
struct napi_struct napi;
cpumask_t affinity_mask;
int numa_node;
struct rcu_head rcu; /* to avoid race with update stats on free */
char name[IFNAMSIZ + 9];
/* for dynamic allocation of rings associated with this q_vector */
struct ixgbe_ring ring[0] ____cacheline_internodealigned_in_smp;
};
#ifdef CONFIG_IXGBE_HWMON
#define IXGBE_HWMON_TYPE_LOC 0
#define IXGBE_HWMON_TYPE_TEMP 1
#define IXGBE_HWMON_TYPE_CAUTION 2
#define IXGBE_HWMON_TYPE_MAX 3
struct hwmon_attr {
struct device_attribute dev_attr;
struct ixgbe_hw *hw;
struct ixgbe_thermal_diode_data *sensor;
char name[12];
};
struct hwmon_buff {
struct attribute_group group;
const struct attribute_group *groups[2];
struct attribute *attrs[IXGBE_MAX_SENSORS * 4 + 1];
struct hwmon_attr hwmon_list[IXGBE_MAX_SENSORS * 4];
unsigned int n_hwmon;
};
#endif /* CONFIG_IXGBE_HWMON */
/*
* microsecond values for various ITR rates shifted by 2 to fit itr register
* with the first 3 bits reserved 0
*/
#define IXGBE_MIN_RSC_ITR 24
#define IXGBE_100K_ITR 40
#define IXGBE_20K_ITR 200
#define IXGBE_12K_ITR 336
/* ixgbe_test_staterr - tests bits in Rx descriptor status and error fields */
static inline __le32 ixgbe_test_staterr(union ixgbe_adv_rx_desc *rx_desc,
const u32 stat_err_bits)
{
return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
}
static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring)
{
u16 ntc = ring->next_to_clean;
u16 ntu = ring->next_to_use;
return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1;
}
#define IXGBE_RX_DESC(R, i) \
(&(((union ixgbe_adv_rx_desc *)((R)->desc))[i]))
#define IXGBE_TX_DESC(R, i) \
(&(((union ixgbe_adv_tx_desc *)((R)->desc))[i]))
#define IXGBE_TX_CTXTDESC(R, i) \
(&(((struct ixgbe_adv_tx_context_desc *)((R)->desc))[i]))
#define IXGBE_MAX_JUMBO_FRAME_SIZE 9728 /* Maximum Supported Size 9.5KB */
#ifdef IXGBE_FCOE
/* Use 3K as the baby jumbo frame size for FCoE */
#define IXGBE_FCOE_JUMBO_FRAME_SIZE 3072
#endif /* IXGBE_FCOE */
#define OTHER_VECTOR 1
#define NON_Q_VECTORS (OTHER_VECTOR)
#define MAX_MSIX_VECTORS_82599 64
#define MAX_Q_VECTORS_82599 64
#define MAX_MSIX_VECTORS_82598 18
#define MAX_Q_VECTORS_82598 16
struct ixgbe_mac_addr {
u8 addr[ETH_ALEN];
u16 pool;
u16 state; /* bitmask */
};
#define IXGBE_MAC_STATE_DEFAULT 0x1
#define IXGBE_MAC_STATE_MODIFIED 0x2
#define IXGBE_MAC_STATE_IN_USE 0x4
#define MAX_Q_VECTORS MAX_Q_VECTORS_82599
#define MAX_MSIX_COUNT MAX_MSIX_VECTORS_82599
#define MIN_MSIX_Q_VECTORS 1
#define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NON_Q_VECTORS)
/* default to trying for four seconds */
#define IXGBE_TRY_LINK_TIMEOUT (4 * HZ)
#define IXGBE_SFP_POLL_JIFFIES (2 * HZ) /* SFP poll every 2 seconds */
/* board specific private data structure */
struct ixgbe_adapter {
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
/* OS defined structs */
struct net_device *netdev;
struct bpf_prog *xdp_prog;
struct pci_dev *pdev;
unsigned long state;
/* Some features need tri-state capability,
* thus the additional *_CAPABLE flags.
*/
u32 flags;
#define IXGBE_FLAG_MSI_ENABLED BIT(1)
#define IXGBE_FLAG_MSIX_ENABLED BIT(3)
#define IXGBE_FLAG_RX_1BUF_CAPABLE BIT(4)
#define IXGBE_FLAG_RX_PS_CAPABLE BIT(5)
#define IXGBE_FLAG_RX_PS_ENABLED BIT(6)
#define IXGBE_FLAG_DCA_ENABLED BIT(8)
#define IXGBE_FLAG_DCA_CAPABLE BIT(9)
#define IXGBE_FLAG_IMIR_ENABLED BIT(10)
#define IXGBE_FLAG_MQ_CAPABLE BIT(11)
#define IXGBE_FLAG_DCB_ENABLED BIT(12)
#define IXGBE_FLAG_VMDQ_CAPABLE BIT(13)
#define IXGBE_FLAG_VMDQ_ENABLED BIT(14)
#define IXGBE_FLAG_FAN_FAIL_CAPABLE BIT(15)
#define IXGBE_FLAG_NEED_LINK_UPDATE BIT(16)
#define IXGBE_FLAG_NEED_LINK_CONFIG BIT(17)
#define IXGBE_FLAG_FDIR_HASH_CAPABLE BIT(18)
#define IXGBE_FLAG_FDIR_PERFECT_CAPABLE BIT(19)
#define IXGBE_FLAG_FCOE_CAPABLE BIT(20)
#define IXGBE_FLAG_FCOE_ENABLED BIT(21)
#define IXGBE_FLAG_SRIOV_CAPABLE BIT(22)
#define IXGBE_FLAG_SRIOV_ENABLED BIT(23)
#define IXGBE_FLAG_VXLAN_OFFLOAD_CAPABLE BIT(24)
#define IXGBE_FLAG_RX_HWTSTAMP_ENABLED BIT(25)
#define IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER BIT(26)
#define IXGBE_FLAG_DCB_CAPABLE BIT(27)
#define IXGBE_FLAG_GENEVE_OFFLOAD_CAPABLE BIT(28)
u32 flags2;
#define IXGBE_FLAG2_RSC_CAPABLE BIT(0)
#define IXGBE_FLAG2_RSC_ENABLED BIT(1)
#define IXGBE_FLAG2_TEMP_SENSOR_CAPABLE BIT(2)
#define IXGBE_FLAG2_TEMP_SENSOR_EVENT BIT(3)
#define IXGBE_FLAG2_SEARCH_FOR_SFP BIT(4)
#define IXGBE_FLAG2_SFP_NEEDS_RESET BIT(5)
#define IXGBE_FLAG2_FDIR_REQUIRES_REINIT BIT(7)
#define IXGBE_FLAG2_RSS_FIELD_IPV4_UDP BIT(8)
#define IXGBE_FLAG2_RSS_FIELD_IPV6_UDP BIT(9)
#define IXGBE_FLAG2_PTP_PPS_ENABLED BIT(10)
#define IXGBE_FLAG2_PHY_INTERRUPT BIT(11)
#define IXGBE_FLAG2_UDP_TUN_REREG_NEEDED BIT(12)
#define IXGBE_FLAG2_VLAN_PROMISC BIT(13)
#define IXGBE_FLAG2_EEE_CAPABLE BIT(14)
#define IXGBE_FLAG2_EEE_ENABLED BIT(15)
#define IXGBE_FLAG2_RX_LEGACY BIT(16)
#define IXGBE_FLAG2_IPSEC_ENABLED BIT(17)
/* Tx fast path data */
int num_tx_queues;
u16 tx_itr_setting;
u16 tx_work_limit;
u64 tx_ipsec;
/* Rx fast path data */
int num_rx_queues;
u16 rx_itr_setting;
u64 rx_ipsec;
/* Port number used to identify VXLAN traffic */
__be16 vxlan_port;
__be16 geneve_port;
/* XDP */
int num_xdp_queues;
struct ixgbe_ring *xdp_ring[MAX_XDP_QUEUES];
/* TX */
struct ixgbe_ring *tx_ring[MAX_TX_QUEUES] ____cacheline_aligned_in_smp;
u64 restart_queue;
u64 lsc_int;
u32 tx_timeout_count;
/* RX */
struct ixgbe_ring *rx_ring[MAX_RX_QUEUES];
int num_rx_pools; /* == num_rx_queues in 82598 */
int num_rx_queues_per_pool; /* 1 if 82598, can be many if 82599 */
u64 hw_csum_rx_error;
u64 hw_rx_no_dma_resources;
u64 rsc_total_count;
u64 rsc_total_flush;
u64 non_eop_descs;
u32 alloc_rx_page;
u32 alloc_rx_page_failed;
u32 alloc_rx_buff_failed;
struct ixgbe_q_vector *q_vector[MAX_Q_VECTORS];
/* DCB parameters */
struct ieee_pfc *ixgbe_ieee_pfc;
struct ieee_ets *ixgbe_ieee_ets;
struct ixgbe_dcb_config dcb_cfg;
struct ixgbe_dcb_config temp_dcb_cfg;
u8 hw_tcs;
u8 dcb_set_bitmap;
u8 dcbx_cap;
enum ixgbe_fc_mode last_lfc_mode;
int num_q_vectors; /* current number of q_vectors for device */
int max_q_vectors; /* true count of q_vectors for device */
struct ixgbe_ring_feature ring_feature[RING_F_ARRAY_SIZE];
struct msix_entry *msix_entries;
u32 test_icr;
struct ixgbe_ring test_tx_ring;
struct ixgbe_ring test_rx_ring;
/* structs defined in ixgbe_hw.h */
struct ixgbe_hw hw;
u16 msg_enable;
struct ixgbe_hw_stats stats;
u64 tx_busy;
unsigned int tx_ring_count;
unsigned int xdp_ring_count;
unsigned int rx_ring_count;
u32 link_speed;
bool link_up;
unsigned long sfp_poll_time;
unsigned long link_check_timeout;
struct timer_list service_timer;
struct work_struct service_task;
struct hlist_head fdir_filter_list;
unsigned long fdir_overflow; /* number of times ATR was backed off */
union ixgbe_atr_input fdir_mask;
int fdir_filter_count;
u32 fdir_pballoc;
u32 atr_sample_rate;
spinlock_t fdir_perfect_lock;
#ifdef IXGBE_FCOE
struct ixgbe_fcoe fcoe;
#endif /* IXGBE_FCOE */
u8 __iomem *io_addr; /* Mainly for iounmap use */
u32 wol;
u16 bridge_mode;
char eeprom_id[NVM_VER_SIZE];
u16 eeprom_cap;
u32 interrupt_event;
u32 led_reg;
struct ptp_clock *ptp_clock;
struct ptp_clock_info ptp_caps;
struct work_struct ptp_tx_work;
struct sk_buff *ptp_tx_skb;
struct hwtstamp_config tstamp_config;
unsigned long ptp_tx_start;
unsigned long last_overflow_check;
unsigned long last_rx_ptp_check;
unsigned long last_rx_timestamp;
spinlock_t tmreg_lock;
struct cyclecounter hw_cc;
struct timecounter hw_tc;
u32 base_incval;
u32 tx_hwtstamp_timeouts;
u32 tx_hwtstamp_skipped;
u32 rx_hwtstamp_cleared;
void (*ptp_setup_sdp)(struct ixgbe_adapter *);
/* SR-IOV */
DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS);
unsigned int num_vfs;
struct vf_data_storage *vfinfo;
int vf_rate_link_speed;
struct vf_macvlans vf_mvs;
struct vf_macvlans *mv_list;
u32 timer_event_accumulator;
u32 vferr_refcount;
struct ixgbe_mac_addr *mac_table;
struct kobject *info_kobj;
#ifdef CONFIG_IXGBE_HWMON
struct hwmon_buff *ixgbe_hwmon_buff;
#endif /* CONFIG_IXGBE_HWMON */
#ifdef CONFIG_DEBUG_FS
struct dentry *ixgbe_dbg_adapter;
#endif /*CONFIG_DEBUG_FS*/
u8 default_up;
/* Bitmask indicating in use pools */
DECLARE_BITMAP(fwd_bitmask, IXGBE_MAX_MACVLANS + 1);
#define IXGBE_MAX_LINK_HANDLE 10
struct ixgbe_jump_table *jump_tables[IXGBE_MAX_LINK_HANDLE];
unsigned long tables;
/* maximum number of RETA entries among all devices supported by ixgbe
* driver: currently it's x550 device in non-SRIOV mode
*/
#define IXGBE_MAX_RETA_ENTRIES 512
u8 rss_indir_tbl[IXGBE_MAX_RETA_ENTRIES];
#define IXGBE_RSS_KEY_SIZE 40 /* size of RSS Hash Key in bytes */
u32 *rss_key;
#ifdef CONFIG_XFRM_OFFLOAD
struct ixgbe_ipsec *ipsec;
#endif /* CONFIG_XFRM_OFFLOAD */
};
static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter)
{
switch (adapter->hw.mac.type) {
case ixgbe_mac_82598EB:
case ixgbe_mac_82599EB:
case ixgbe_mac_X540:
return IXGBE_MAX_RSS_INDICES;
case ixgbe_mac_X550:
case ixgbe_mac_X550EM_x:
case ixgbe_mac_x550em_a:
return IXGBE_MAX_RSS_INDICES_X550;
default:
return 0;
}
}
struct ixgbe_fdir_filter {
struct hlist_node fdir_node;
union ixgbe_atr_input filter;
u16 sw_idx;
u64 action;
};
enum ixgbe_state_t {
__IXGBE_TESTING,
__IXGBE_RESETTING,
__IXGBE_DOWN,
__IXGBE_DISABLED,
__IXGBE_REMOVING,
__IXGBE_SERVICE_SCHED,
__IXGBE_SERVICE_INITED,
__IXGBE_IN_SFP_INIT,
__IXGBE_PTP_RUNNING,
__IXGBE_PTP_TX_IN_PROGRESS,
__IXGBE_RESET_REQUESTED,
};
struct ixgbe_cb {
union { /* Union defining head/tail partner */
struct sk_buff *head;
struct sk_buff *tail;
};
dma_addr_t dma;
u16 append_cnt;
bool page_released;
};
#define IXGBE_CB(skb) ((struct ixgbe_cb *)(skb)->cb)
enum ixgbe_boards {
board_82598,
board_82599,
board_X540,
board_X550,
board_X550EM_x,
board_x550em_x_fw,
board_x550em_a,
board_x550em_a_fw,
};
extern const struct ixgbe_info ixgbe_82598_info;
extern const struct ixgbe_info ixgbe_82599_info;
extern const struct ixgbe_info ixgbe_X540_info;
extern const struct ixgbe_info ixgbe_X550_info;
extern const struct ixgbe_info ixgbe_X550EM_x_info;
extern const struct ixgbe_info ixgbe_x550em_x_fw_info;
extern const struct ixgbe_info ixgbe_x550em_a_info;
extern const struct ixgbe_info ixgbe_x550em_a_fw_info;
#ifdef CONFIG_IXGBE_DCB
extern const struct dcbnl_rtnl_ops ixgbe_dcbnl_ops;
#endif
extern char ixgbe_driver_name[];
extern const char ixgbe_driver_version[];
#ifdef IXGBE_FCOE
extern char ixgbe_default_device_descr[];
#endif /* IXGBE_FCOE */
int ixgbe_open(struct net_device *netdev);
int ixgbe_close(struct net_device *netdev);
void ixgbe_up(struct ixgbe_adapter *adapter);
void ixgbe_down(struct ixgbe_adapter *adapter);
void ixgbe_reinit_locked(struct ixgbe_adapter *adapter);
void ixgbe_reset(struct ixgbe_adapter *adapter);
void ixgbe_set_ethtool_ops(struct net_device *netdev);
int ixgbe_setup_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
int ixgbe_setup_tx_resources(struct ixgbe_ring *);
void ixgbe_free_rx_resources(struct ixgbe_ring *);
void ixgbe_free_tx_resources(struct ixgbe_ring *);
void ixgbe_configure_rx_ring(struct ixgbe_adapter *, struct ixgbe_ring *);
void ixgbe_configure_tx_ring(struct ixgbe_adapter *, struct ixgbe_ring *);
void ixgbe_disable_rx_queue(struct ixgbe_adapter *adapter, struct ixgbe_ring *);
void ixgbe_update_stats(struct ixgbe_adapter *adapter);
int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter);
bool ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id,
u16 subdevice_id);
#ifdef CONFIG_PCI_IOV
void ixgbe_full_sync_mac_table(struct ixgbe_adapter *adapter);
#endif
int ixgbe_add_mac_filter(struct ixgbe_adapter *adapter,
const u8 *addr, u16 queue);
int ixgbe_del_mac_filter(struct ixgbe_adapter *adapter,
const u8 *addr, u16 queue);
void ixgbe_update_pf_promisc_vlvf(struct ixgbe_adapter *adapter, u32 vid);
void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter);
netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *, struct ixgbe_adapter *,
struct ixgbe_ring *);
void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *,
struct ixgbe_tx_buffer *);
void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16);
void ixgbe_write_eitr(struct ixgbe_q_vector *);
int ixgbe_poll(struct napi_struct *napi, int budget);
int ethtool_ioctl(struct ifreq *ifr);
s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw);
s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 fdirctrl);
s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl);
s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
union ixgbe_atr_hash_dword input,
union ixgbe_atr_hash_dword common,
u8 queue);
s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
union ixgbe_atr_input *input_mask);
s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
union ixgbe_atr_input *input,
u16 soft_id, u8 queue);
s32 ixgbe_fdir_erase_perfect_filter_82599(struct ixgbe_hw *hw,
union ixgbe_atr_input *input,
u16 soft_id);
void ixgbe_atr_compute_perfect_hash_82599(union ixgbe_atr_input *input,
union ixgbe_atr_input *mask);
int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
struct ixgbe_fdir_filter *input,
u16 sw_idx);
void ixgbe_set_rx_mode(struct net_device *netdev);
#ifdef CONFIG_IXGBE_DCB
void ixgbe_set_rx_drop_en(struct ixgbe_adapter *adapter);
#endif
int ixgbe_setup_tc(struct net_device *dev, u8 tc);
void ixgbe_tx_ctxtdesc(struct ixgbe_ring *, u32, u32, u32, u32);
void ixgbe_do_reset(struct net_device *netdev);
#ifdef CONFIG_IXGBE_HWMON
void ixgbe_sysfs_exit(struct ixgbe_adapter *adapter);
int ixgbe_sysfs_init(struct ixgbe_adapter *adapter);
#endif /* CONFIG_IXGBE_HWMON */
#ifdef IXGBE_FCOE
void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter);
int ixgbe_fso(struct ixgbe_ring *tx_ring, struct ixgbe_tx_buffer *first,
u8 *hdr_len);
int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
union ixgbe_adv_rx_desc *rx_desc, struct sk_buff *skb);
int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
struct scatterlist *sgl, unsigned int sgc);
int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid,
struct scatterlist *sgl, unsigned int sgc);
int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid);
int ixgbe_setup_fcoe_ddp_resources(struct ixgbe_adapter *adapter);
void ixgbe_free_fcoe_ddp_resources(struct ixgbe_adapter *adapter);
int ixgbe_fcoe_enable(struct net_device *netdev);
int ixgbe_fcoe_disable(struct net_device *netdev);
#ifdef CONFIG_IXGBE_DCB
u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter);
u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up);
#endif /* CONFIG_IXGBE_DCB */
int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type);
int ixgbe_fcoe_get_hbainfo(struct net_device *netdev,
struct netdev_fcoe_hbainfo *info);
u8 ixgbe_fcoe_get_tc(struct ixgbe_adapter *adapter);
#endif /* IXGBE_FCOE */
#ifdef CONFIG_DEBUG_FS
void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter);
void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter);
void ixgbe_dbg_init(void);
void ixgbe_dbg_exit(void);
#else
static inline void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter) {}
static inline void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter) {}
static inline void ixgbe_dbg_init(void) {}
static inline void ixgbe_dbg_exit(void) {}
#endif /* CONFIG_DEBUG_FS */
static inline struct netdev_queue *txring_txq(const struct ixgbe_ring *ring)
{
return netdev_get_tx_queue(ring->netdev, ring->queue_index);
}
void ixgbe_ptp_init(struct ixgbe_adapter *adapter);
void ixgbe_ptp_suspend(struct ixgbe_adapter *adapter);
void ixgbe_ptp_stop(struct ixgbe_adapter *adapter);
void ixgbe_ptp_overflow_check(struct ixgbe_adapter *adapter);
void ixgbe_ptp_rx_hang(struct ixgbe_adapter *adapter);
void ixgbe_ptp_tx_hang(struct ixgbe_adapter *adapter);
void ixgbe_ptp_rx_pktstamp(struct ixgbe_q_vector *, struct sk_buff *);
void ixgbe_ptp_rx_rgtstamp(struct ixgbe_q_vector *, struct sk_buff *skb);
static inline void ixgbe_ptp_rx_hwtstamp(struct ixgbe_ring *rx_ring,
union ixgbe_adv_rx_desc *rx_desc,
struct sk_buff *skb)
{
if (unlikely(ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_TSIP))) {
ixgbe_ptp_rx_pktstamp(rx_ring->q_vector, skb);
return;
}
if (unlikely(!ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_STAT_TS)))
return;
ixgbe_ptp_rx_rgtstamp(rx_ring->q_vector, skb);
/* Update the last_rx_timestamp timer in order to enable watchdog check
* for error case of latched timestamp on a dropped packet.
*/
rx_ring->last_rx_timestamp = jiffies;
}
int ixgbe_ptp_set_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr);
int ixgbe_ptp_get_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr);
void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter);
void ixgbe_ptp_reset(struct ixgbe_adapter *adapter);
void ixgbe_ptp_check_pps_event(struct ixgbe_adapter *adapter);
#ifdef CONFIG_PCI_IOV
void ixgbe_sriov_reinit(struct ixgbe_adapter *adapter);
#endif
netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
struct ixgbe_adapter *adapter,
struct ixgbe_ring *tx_ring);
u32 ixgbe_rss_indir_tbl_entries(struct ixgbe_adapter *adapter);
void ixgbe_store_key(struct ixgbe_adapter *adapter);
void ixgbe_store_reta(struct ixgbe_adapter *adapter);
s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm);
#ifdef CONFIG_XFRM_OFFLOAD
void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter);
void ixgbe_stop_ipsec_offload(struct ixgbe_adapter *adapter);
void ixgbe_ipsec_restore(struct ixgbe_adapter *adapter);
void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring,
union ixgbe_adv_rx_desc *rx_desc,
struct sk_buff *skb);
int ixgbe_ipsec_tx(struct ixgbe_ring *tx_ring, struct ixgbe_tx_buffer *first,
struct ixgbe_ipsec_tx_data *itd);
#else
static inline void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter) { };
static inline void ixgbe_stop_ipsec_offload(struct ixgbe_adapter *adapter) { };
static inline void ixgbe_ipsec_restore(struct ixgbe_adapter *adapter) { };
static inline void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring,
union ixgbe_adv_rx_desc *rx_desc,
struct sk_buff *skb) { };
static inline int ixgbe_ipsec_tx(struct ixgbe_ring *tx_ring,
struct ixgbe_tx_buffer *first,
struct ixgbe_ipsec_tx_data *itd) { return 0; };
#endif /* CONFIG_XFRM_OFFLOAD */
#endif /* _IXGBE_H_ */