Quelle igb.h
Sprache: C
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2007 - 2018 Intel Corporation. */
/* Linux PRO/1000 Ethernet Driver main header file */
#ifndef _IGB_H_
#define _IGB_H_
#include "e1000_mac.h"
#include "e1000_82575.h"
#include <linux/timecounter.h>
#include <linux/net_tstamp.h>
#include <linux/ptp_clock_kernel.h>
#include <linux/bitops.h>
#include <linux/if_vlan.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/pci.h>
#include <linux/mdio.h>
#include <linux/lockdep.h>
#include <net/xdp.h>
#include <net/xdp_sock_drv.h>
struct igb_adapter;
#define E1000_PCS_CFG_IGN_SD 1
/* Interrupt defines */
#define IGB_START_ITR 648 /* ~6000 ints/sec */
#define IGB_4K_ITR 980
#define IGB_20K_ITR 196
#define IGB_70K_ITR 56
/* TX/RX descriptor defines */
#define IGB_DEFAULT_TXD 256
#define IGB_DEFAULT_TX_WORK 128
#define IGB_MIN_TXD 64
#define IGB_MAX_TXD 4096
#define IGB_DEFAULT_RXD 256
#define IGB_MIN_RXD 64
#define IGB_MAX_RXD 4096
#define IGB_DEFAULT_ITR 3 /* dynamic */
#define IGB_MAX_ITR_USECS 10000
#define IGB_MIN_ITR_USECS 10
#define NON_Q_VECTORS 1
#define MAX_Q_VECTORS 8
#define MAX_MSIX_ENTRIES 10
/* Transmit and receive queues */
#define IGB_MAX_RX_QUEUES 8
#define IGB_MAX_RX_QUEUES_82575 4
#define IGB_MAX_RX_QUEUES_I211 2
#define IGB_MAX_TX_QUEUES 8
#define IGB_MAX_VF_MC_ENTRIES 30
#define IGB_MAX_VF_FUNCTIONS 8
#define IGB_MAX_VFTA_ENTRIES 128
#define IGB_82576_VF_DEV_ID 0 x10CA
#define IGB_I350_VF_DEV_ID 0 x1520
/* NVM version defines */
#define IGB_MAJOR_MASK 0 xF000
#define IGB_MINOR_MASK 0 x0FF0
#define IGB_BUILD_MASK 0 x000F
#define IGB_COMB_VER_MASK 0 x00FF
#define IGB_MAJOR_SHIFT 12
#define IGB_MINOR_SHIFT 4
#define IGB_COMB_VER_SHFT 8
#define IGB_NVM_VER_INVALID 0 xFFFF
#define IGB_ETRACK_SHIFT 16
#define NVM_ETRACK_WORD 0 x0042
#define NVM_COMB_VER_OFF 0 x0083
#define NVM_COMB_VER_PTR 0 x003d
/* Transmit and receive latency (for PTP timestamps) */
#define IGB_I210_TX_LATENCY_10 9542
#define IGB_I210_TX_LATENCY_100 1024
#define IGB_I210_TX_LATENCY_1000 178
#define IGB_I210_RX_LATENCY_10 20662
#define IGB_I210_RX_LATENCY_100 2213
#define IGB_I210_RX_LATENCY_1000 448
/* XDP */
#define IGB_XDP_PASS 0
#define IGB_XDP_CONSUMED BIT(0 )
#define IGB_XDP_TX BIT(1 )
#define IGB_XDP_REDIR BIT(2 )
#define IGB_XDP_EXIT BIT(3 )
struct vf_data_storage {
unsigned char vf_mac_addresses[ETH_ALEN];
u16 vf_mc_hashes[IGB_MAX_VF_MC_ENTRIES];
u16 num_vf_mc_hashes;
u32 flags;
unsigned long last_nack;
u16 pf_vlan; /* When set, guest VLAN config not allowed. */
u16 pf_qos;
u16 tx_rate;
bool spoofchk_enabled;
bool trusted;
};
/* Number of unicast MAC filters reserved for the PF in the RAR registers */
#define IGB_PF_MAC_FILTERS_RESERVED 3
struct vf_mac_filter {
struct list_head l;
int vf;
bool free;
u8 vf_mac[ETH_ALEN];
};
#define IGB_VF_FLAG_CTS 0 x00000001 /* VF is clear to send data */
#define IGB_VF_FLAG_UNI_PROMISC 0 x00000002 /* VF has unicast promisc */
#define IGB_VF_FLAG_MULTI_PROMISC 0 x00000004 /* VF has multicast promisc */
#define IGB_VF_FLAG_PF_SET_MAC 0 x00000008 /* PF has set MAC address */
/* RX descriptor control thresholds.
* PTHRESH - MAC will consider prefetch if it has fewer than this number of
* descriptors available in its onboard memory .
* Setting this to 0 disables RX descriptor prefetch .
* HTHRESH - MAC will only prefetch if there are at least this many descriptors
* available in host memory .
* If PTHRESH is 0 , this should also be 0 .
* WTHRESH - RX descriptor writeback threshold - MAC will delay writing back
* descriptors until either it has this many to write back , or the
* ITR timer expires .
*/
#define IGB_RX_PTHRESH ((hw->mac.type == e1000_i354) ? 12 : 8 )
#define IGB_RX_HTHRESH 8
#define IGB_TX_PTHRESH ((hw->mac.type == e1000_i354) ? 20 : 8 )
#define IGB_TX_HTHRESH 1
#define IGB_RX_WTHRESH ((hw->mac.type == e1000_82576 && \
(adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 4 )
#define IGB_TX_WTHRESH ((hw->mac.type == e1000_82576 && \
(adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 16 )
/* this is the size past which hardware will drop packets when setting LPE=0 */
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
#define IGB_ETH_PKT_HDR_PAD (ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2 ))
/* Supported Rx Buffer Sizes */
#define IGB_RXBUFFER_256 256
#define IGB_RXBUFFER_1536 1536
#define IGB_RXBUFFER_2048 2048
#define IGB_RXBUFFER_3072 3072
#define IGB_RX_HDR_LEN IGB_RXBUFFER_256
#define IGB_TS_HDR_LEN 16
/* Attempt to maximize the headroom available for incoming frames. We
* use a 2 K 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 3 K
* buffers .
*/
#if (PAGE_SIZE < 8192 )
#define IGB_MAX_FRAME_BUILD_SKB (IGB_RXBUFFER_1536 - NET_IP_ALIGN)
#define IGB_2K_TOO_SMALL_WITH_PADDING \
((NET_SKB_PAD + IGB_TS_HDR_LEN + IGB_RXBUFFER_1536) > SKB_WITH_OVERHEAD(IGB_RXBUFFER_2048))
static inline int igb_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 igb_skb_pad(void )
{
int rx_buf_len;
/* If a 2K buffer cannot handle a standard Ethernet frame then
* optimize padding for a 3 K buffer instead of a 1 . 5 K buffer .
*
* For a 3 K 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 (IGB_2K_TOO_SMALL_WITH_PADDING)
rx_buf_len = IGB_RXBUFFER_3072 + SKB_DATA_ALIGN(NET_IP_ALIGN);
else
rx_buf_len = IGB_RXBUFFER_1536;
/* if needed make room for NET_IP_ALIGN */
rx_buf_len -= NET_IP_ALIGN;
return igb_compute_pad(rx_buf_len);
}
#define IGB_SKB_PAD igb_skb_pad()
#else
#define IGB_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)
#endif
/* How many Rx Buffers do we bundle into one write to the hardware ? */
#define IGB_RX_BUFFER_WRITE 16 /* Must be power of 2 */
#define IGB_RX_DMA_ATTR \
(DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING)
#define AUTO_ALL_MODES 0
#define IGB_EEPROM_APME 0 x0400
#ifndef IGB_MASTER_SLAVE
/* Switch to override PHY master/slave setting */
#define IGB_MASTER_SLAVE e1000_ms_hw_default
#endif
#define IGB_MNG_VLAN_NONE -1
enum igb_tx_flags {
/* cmd_type flags */
IGB_TX_FLAGS_VLAN = 0 x01,
IGB_TX_FLAGS_TSO = 0 x02,
IGB_TX_FLAGS_TSTAMP = 0 x04,
/* olinfo flags */
IGB_TX_FLAGS_IPV4 = 0 x10,
IGB_TX_FLAGS_CSUM = 0 x20,
};
/* VLAN info */
#define IGB_TX_FLAGS_VLAN_MASK 0 xffff0000
#define IGB_TX_FLAGS_VLAN_SHIFT 16
/* The largest size we can write to the descriptor is 65535. In order to
* maintain a power of two alignment we have to limit ourselves to 32 K .
*/
#define IGB_MAX_TXD_PWR 15
#define IGB_MAX_DATA_PER_TXD (1 u << IGB_MAX_TXD_PWR)
/* Tx Descriptors needed, worst case */
#define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IGB_MAX_DATA_PER_TXD)
#define DESC_NEEDED (MAX_SKB_FRAGS + 4 )
/* EEPROM byte offsets */
#define IGB_SFF_8472_SWAP 0 x5C
#define IGB_SFF_8472_COMP 0 x5E
/* Bitmasks */
#define IGB_SFF_ADDRESSING_MODE 0 x4
#define IGB_SFF_8472_UNSUP 0 x00
/* TX resources are shared between XDP and netstack
* and we need to tag the buffer type to distinguish them
*/
enum igb_tx_buf_type {
IGB_TYPE_SKB = 0 ,
IGB_TYPE_XDP,
IGB_TYPE_XSK
};
/* wrapper around a pointer to a socket buffer,
* so a DMA handle can be stored along with the buffer
*/
struct igb_tx_buffer {
union e1000_adv_tx_desc *next_to_watch;
unsigned long time_stamp;
enum igb_tx_buf_type type;
union {
struct sk_buff *skb;
struct xdp_frame *xdpf;
};
unsigned int bytecount;
u16 gso_segs;
__be16 protocol;
DEFINE_DMA_UNMAP_ADDR(dma);
DEFINE_DMA_UNMAP_LEN(len);
u32 tx_flags;
};
struct igb_rx_buffer {
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 igb_tx_queue_stats {
u64 packets;
u64 bytes;
u64 restart_queue;
u64 restart_queue2;
};
struct igb_rx_queue_stats {
u64 packets;
u64 bytes;
u64 drops;
u64 csum_err;
u64 alloc_failed;
};
struct igb_ring_container {
struct igb_ring *ring; /* pointer to linked list of rings */
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 */
};
struct igb_ring {
struct igb_q_vector *q_vector; /* backlink to q_vector */
struct net_device *netdev; /* back pointer to net_device */
struct bpf_prog *xdp_prog;
struct device *dev; /* device pointer for dma mapping */
union { /* array of buffer info structs */
struct igb_tx_buffer *tx_buffer_info;
struct igb_rx_buffer *rx_buffer_info;
struct xdp_buff **rx_buffer_info_zc;
};
void *desc; /* descriptor ring memory */
unsigned long flags; /* ring specific flags */
void __iomem *tail; /* pointer to ring tail register */
dma_addr_t dma; /* phys address of the ring */
unsigned int size; /* length of desc. ring in bytes */
u16 count; /* number of desc. in the ring */
u8 queue_index; /* logical index of the ring*/
u8 reg_idx; /* physical index of the ring */
bool launchtime_enable; /* true if LaunchTime is enabled */
bool cbs_enable; /* indicates if CBS is enabled */
s32 idleslope; /* idleSlope in kbps */
s32 sendslope; /* sendSlope in kbps */
s32 hicredit; /* hiCredit in bytes */
s32 locredit; /* loCredit in bytes */
/* everything past this point are written often */
u16 next_to_clean;
u16 next_to_use;
u16 next_to_alloc;
union {
/* TX */
struct {
struct igb_tx_queue_stats tx_stats;
struct u64_stats_sync tx_syncp;
struct u64_stats_sync tx_syncp2;
};
/* RX */
struct {
struct sk_buff *skb;
struct igb_rx_queue_stats rx_stats;
struct u64_stats_sync rx_syncp;
};
};
struct xdp_rxq_info xdp_rxq;
struct xsk_buff_pool *xsk_pool;
} ____cacheline_internodealigned_in_smp;
struct igb_q_vector {
struct igb_adapter *adapter; /* backlink */
int cpu; /* CPU for DCA */
u32 eims_value; /* EIMS mask value */
u16 itr_val;
u8 set_itr;
void __iomem *itr_register;
struct igb_ring_container rx, tx;
struct napi_struct napi;
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 igb_ring ring[] ____cacheline_internodealigned_in_smp;
};
enum e1000_ring_flags_t {
IGB_RING_FLAG_RX_3K_BUFFER,
IGB_RING_FLAG_RX_BUILD_SKB_ENABLED,
IGB_RING_FLAG_RX_SCTP_CSUM,
IGB_RING_FLAG_RX_LB_VLAN_BSWAP,
IGB_RING_FLAG_TX_CTX_IDX,
IGB_RING_FLAG_TX_DETECT_HANG,
IGB_RING_FLAG_TX_DISABLED,
IGB_RING_FLAG_RX_ALLOC_FAILED,
};
#define ring_uses_large_buffer(ring) \
test_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags)
#define set_ring_uses_large_buffer(ring) \
set_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags)
#define clear_ring_uses_large_buffer(ring) \
clear_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags)
#define ring_uses_build_skb(ring) \
test_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
#define set_ring_build_skb_enabled(ring) \
set_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
#define clear_ring_build_skb_enabled(ring) \
clear_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
static inline unsigned int igb_rx_bufsz(struct igb_ring *ring)
{
#if (PAGE_SIZE < 8192 )
if (ring_uses_large_buffer(ring))
return IGB_RXBUFFER_3072;
if (ring_uses_build_skb(ring))
return IGB_MAX_FRAME_BUILD_SKB;
#endif
return IGB_RXBUFFER_2048;
}
static inline unsigned int igb_rx_pg_order(struct igb_ring *ring)
{
#if (PAGE_SIZE < 8192 )
if (ring_uses_large_buffer(ring))
return 1 ;
#endif
return 0 ;
}
#define igb_rx_pg_size(_ring) (PAGE_SIZE << igb_rx_pg_order(_ring))
#define IGB_TXD_DCMD (E1000_ADVTXD_DCMD_EOP | E1000_ADVTXD_DCMD_RS)
#define IGB_RX_DESC(R, i) \
(&(((union e1000_adv_rx_desc *)((R)->desc))[i]))
#define IGB_TX_DESC(R, i) \
(&(((union e1000_adv_tx_desc *)((R)->desc))[i]))
#define IGB_TX_CTXTDESC(R, i) \
(&(((struct e1000_adv_tx_context_desc *)((R)->desc))[i]))
/* igb_test_staterr - tests bits within Rx descriptor status and error fields */
static inline __le32 igb_test_staterr(union e1000_adv_rx_desc *rx_desc,
const u32 stat_err_bits)
{
return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
}
/* igb_desc_unused - calculate if we have unused descriptors */
static inline int igb_desc_unused(struct igb_ring *ring)
{
if (ring->next_to_clean > ring->next_to_use)
return ring->next_to_clean - ring->next_to_use - 1 ;
return ring->count + ring->next_to_clean - ring->next_to_use - 1 ;
}
#ifdef CONFIG_IGB_HWMON
#define IGB_HWMON_TYPE_LOC 0
#define IGB_HWMON_TYPE_TEMP 1
#define IGB_HWMON_TYPE_CAUTION 2
#define IGB_HWMON_TYPE_MAX 3
struct hwmon_attr {
struct device_attribute dev_attr;
struct e1000_hw *hw;
struct e1000_thermal_diode_data *sensor;
char name[12 ];
};
struct hwmon_buff {
struct attribute_group group;
const struct attribute_group *groups[2 ];
struct attribute *attrs[E1000_MAX_SENSORS * 4 + 1 ];
struct hwmon_attr hwmon_list[E1000_MAX_SENSORS * 4 ];
unsigned int n_hwmon;
};
#endif
/* The number of L2 ether-type filter registers, Index 3 is reserved
* for PTP 1588 timestamp
*/
#define MAX_ETYPE_FILTER (4 - 1 )
/* ETQF filter list: one static filter per filter consumer. This is
* to avoid filter collisions later . Add new filters here ! !
*
* Current filters : Filter 3
*/
#define IGB_ETQF_FILTER_1588 3
#define IGB_N_EXTTS 2
#define IGB_N_PEROUT 2
#define IGB_N_SDP 4
#define IGB_RETA_SIZE 128
enum igb_filter_match_flags {
IGB_FILTER_FLAG_ETHER_TYPE = 0 x1,
IGB_FILTER_FLAG_VLAN_TCI = 0 x2,
IGB_FILTER_FLAG_SRC_MAC_ADDR = 0 x4,
IGB_FILTER_FLAG_DST_MAC_ADDR = 0 x8,
};
#define IGB_MAX_RXNFC_FILTERS 16
/* RX network flow classification data structure */
struct igb_nfc_input {
/* Byte layout in order, all values with MSB first:
* match_flags - 1 byte
* etype - 2 bytes
* vlan_tci - 2 bytes
*/
u8 match_flags;
__be16 etype;
__be16 vlan_tci;
u8 src_addr[ETH_ALEN];
u8 dst_addr[ETH_ALEN];
};
struct igb_nfc_filter {
struct hlist_node nfc_node;
struct igb_nfc_input filter;
unsigned long cookie;
u16 etype_reg_index;
u16 sw_idx;
u16 action;
};
struct igb_mac_addr {
u8 addr[ETH_ALEN];
u8 queue;
u8 state; /* bitmask */
};
#define IGB_MAC_STATE_DEFAULT 0 x1
#define IGB_MAC_STATE_IN_USE 0 x2
#define IGB_MAC_STATE_SRC_ADDR 0 x4
#define IGB_MAC_STATE_QUEUE_STEERING 0 x8
/* board specific private data structure */
struct igb_adapter {
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
struct net_device *netdev;
struct bpf_prog *xdp_prog;
unsigned long state;
unsigned int flags;
unsigned int num_q_vectors;
struct msix_entry msix_entries[MAX_MSIX_ENTRIES];
/* Interrupt Throttle Rate */
u32 rx_itr_setting;
u32 tx_itr_setting;
u16 tx_itr;
u16 rx_itr;
/* TX */
u16 tx_work_limit;
u32 tx_timeout_count;
int num_tx_queues;
struct igb_ring *tx_ring[16 ];
/* RX */
int num_rx_queues;
struct igb_ring *rx_ring[16 ];
u32 max_frame_size;
u32 min_frame_size;
struct timer_list watchdog_timer;
struct timer_list phy_info_timer;
u16 mng_vlan_id;
u32 bd_number;
u32 wol;
u32 en_mng_pt;
u16 link_speed;
u16 link_duplex;
u8 __iomem *io_addr; /* Mainly for iounmap use */
struct work_struct reset_task;
struct work_struct watchdog_task;
bool fc_autoneg;
u8 tx_timeout_factor;
struct timer_list blink_timer;
unsigned long led_status;
/* OS defined structs */
struct pci_dev *pdev;
spinlock_t stats64_lock;
struct rtnl_link_stats64 stats64;
/* structs defined in e1000_hw.h */
struct e1000_hw hw;
struct e1000_hw_stats stats;
struct e1000_phy_info phy_info;
u32 test_icr;
struct igb_ring test_tx_ring;
struct igb_ring test_rx_ring;
int msg_enable;
struct igb_q_vector *q_vector[MAX_Q_VECTORS];
u32 eims_enable_mask;
u32 eims_other;
/* to not mess up cache alignment, always add to the bottom */
u16 tx_ring_count;
u16 rx_ring_count;
unsigned int vfs_allocated_count;
struct vf_data_storage *vf_data;
int vf_rate_link_speed;
u32 rss_queues;
u32 wvbr;
u32 *shadow_vfta;
struct ptp_clock *ptp_clock;
struct ptp_clock_info ptp_caps;
struct delayed_work ptp_overflow_work;
struct work_struct ptp_tx_work;
struct sk_buff *ptp_tx_skb;
struct kernel_hwtstamp_config tstamp_config;
unsigned long ptp_tx_start;
unsigned long last_rx_ptp_check;
unsigned long last_rx_timestamp;
unsigned int ptp_flags;
spinlock_t tmreg_lock;
struct cyclecounter cc;
struct timecounter tc;
u32 tx_hwtstamp_timeouts;
u32 tx_hwtstamp_skipped;
u32 rx_hwtstamp_cleared;
bool pps_sys_wrap_on;
struct ptp_pin_desc sdp_config[IGB_N_SDP];
struct {
struct timespec64 start;
struct timespec64 period;
} perout[IGB_N_PEROUT];
char fw_version[48 ];
#ifdef CONFIG_IGB_HWMON
struct hwmon_buff *igb_hwmon_buff;
bool ets;
#endif
struct i2c_algo_bit_data i2c_algo;
struct i2c_adapter i2c_adap;
struct i2c_client *i2c_client;
u32 rss_indir_tbl_init;
u8 rss_indir_tbl[IGB_RETA_SIZE];
unsigned long link_check_timeout;
int copper_tries;
struct e1000_info ei;
u16 eee_advert;
/* RX network flow classification support */
struct hlist_head nfc_filter_list;
struct hlist_head cls_flower_list;
unsigned int nfc_filter_count;
/* lock for RX network flow classification filter */
spinlock_t nfc_lock;
bool etype_bitmap[MAX_ETYPE_FILTER];
struct igb_mac_addr *mac_table;
struct vf_mac_filter vf_macs;
struct vf_mac_filter *vf_mac_list;
/* lock for VF resources */
spinlock_t vfs_lock;
};
/* flags controlling PTP/1588 function */
#define IGB_PTP_ENABLED BIT(0 )
#define IGB_PTP_OVERFLOW_CHECK BIT(1 )
#define IGB_FLAG_HAS_MSI BIT(0 )
#define IGB_FLAG_DCA_ENABLED BIT(1 )
#define IGB_FLAG_QUAD_PORT_A BIT(2 )
#define IGB_FLAG_QUEUE_PAIRS BIT(3 )
#define IGB_FLAG_DMAC BIT(4 )
#define IGB_FLAG_RSS_FIELD_IPV4_UDP BIT(6 )
#define IGB_FLAG_RSS_FIELD_IPV6_UDP BIT(7 )
#define IGB_FLAG_WOL_SUPPORTED BIT(8 )
#define IGB_FLAG_NEED_LINK_UPDATE BIT(9 )
#define IGB_FLAG_MEDIA_RESET BIT(10 )
#define IGB_FLAG_MAS_CAPABLE BIT(11 )
#define IGB_FLAG_MAS_ENABLE BIT(12 )
#define IGB_FLAG_HAS_MSIX BIT(13 )
#define IGB_FLAG_EEE BIT(14 )
#define IGB_FLAG_VLAN_PROMISC BIT(15 )
#define IGB_FLAG_RX_LEGACY BIT(16 )
#define IGB_FLAG_FQTSS BIT(17 )
/* Media Auto Sense */
#define IGB_MAS_ENABLE_0 0 X0001
#define IGB_MAS_ENABLE_1 0 X0002
#define IGB_MAS_ENABLE_2 0 X0004
#define IGB_MAS_ENABLE_3 0 X0008
/* DMA Coalescing defines */
#define IGB_MIN_TXPBSIZE 20408
#define IGB_TX_BUF_4096 4096
#define IGB_DMCTLX_DCFLUSH_DIS 0 x80000000 /* Disable DMA Coal Flush */
#define IGB_82576_TSYNC_SHIFT 19
enum e1000_state_t {
__IGB_TESTING,
__IGB_RESETTING,
__IGB_DOWN,
__IGB_PTP_TX_IN_PROGRESS,
};
enum igb_boards {
board_82575,
};
extern char igb_driver_name[];
void igb_set_queue_napi(struct igb_adapter *adapter, int q_idx,
struct napi_struct *napi);
int igb_xmit_xdp_ring(struct igb_adapter *adapter,
struct igb_ring *ring,
struct xdp_frame *xdpf);
int igb_open(struct net_device *netdev);
int igb_close(struct net_device *netdev);
int igb_up(struct igb_adapter *);
void igb_down(struct igb_adapter *);
void igb_reinit_locked(struct igb_adapter *);
void igb_reset(struct igb_adapter *);
int igb_reinit_queues(struct igb_adapter *);
void igb_write_rss_indir_tbl(struct igb_adapter *);
int igb_set_spd_dplx(struct igb_adapter *, u32, u8);
int igb_setup_tx_resources(struct igb_ring *);
int igb_setup_rx_resources(struct igb_ring *);
void igb_free_tx_resources(struct igb_ring *);
void igb_free_rx_resources(struct igb_ring *);
void igb_clean_tx_ring(struct igb_ring *tx_ring);
void igb_clean_rx_ring(struct igb_ring *rx_ring);
void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *);
void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *);
void igb_finalize_xdp(struct igb_adapter *adapter, unsigned int status);
void igb_update_rx_stats(struct igb_q_vector *q_vector, unsigned int packets,
unsigned int bytes);
void igb_setup_tctl(struct igb_adapter *);
void igb_setup_rctl(struct igb_adapter *);
void igb_setup_srrctl(struct igb_adapter *, struct igb_ring *);
netdev_tx_t igb_xmit_frame_ring(struct sk_buff *, struct igb_ring *);
int igb_xdp_xmit_back(struct igb_adapter *adapter, struct xdp_buff *xdp);
void igb_process_skb_fields(struct igb_ring *rx_ring,
union e1000_adv_rx_desc *rx_desc,
struct sk_buff *skb);
void igb_alloc_rx_buffers(struct igb_ring *, u16);
void igb_update_stats(struct igb_adapter *);
bool igb_has_link(struct igb_adapter *adapter);
void igb_set_ethtool_ops(struct net_device *);
void igb_power_up_link(struct igb_adapter *);
void igb_set_fw_version(struct igb_adapter *);
void igb_ptp_init(struct igb_adapter *adapter);
void igb_ptp_stop(struct igb_adapter *adapter);
void igb_ptp_reset(struct igb_adapter *adapter);
void igb_ptp_suspend(struct igb_adapter *adapter);
void igb_ptp_rx_hang(struct igb_adapter *adapter);
void igb_ptp_tx_hang(struct igb_adapter *adapter);
void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb);
int igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, void *va,
ktime_t *timestamp);
int igb_ptp_hwtstamp_get(struct net_device *netdev,
struct kernel_hwtstamp_config *config);
int igb_ptp_hwtstamp_set(struct net_device *netdev,
struct kernel_hwtstamp_config *config,
struct netlink_ext_ack *extack);
void igb_set_flag_queue_pairs(struct igb_adapter *, const u32);
unsigned int igb_get_max_rss_queues(struct igb_adapter *);
#ifdef CONFIG_IGB_HWMON
void igb_sysfs_exit(struct igb_adapter *adapter);
int igb_sysfs_init(struct igb_adapter *adapter);
#endif
static inline s32 igb_reset_phy(struct e1000_hw *hw)
{
if (hw->phy.ops.reset)
return hw->phy.ops.reset(hw);
return 0 ;
}
static inline s32 igb_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data)
{
if (hw->phy.ops.read_reg)
return hw->phy.ops.read_reg(hw, offset, data);
return 0 ;
}
static inline s32 igb_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data)
{
if (hw->phy.ops.write_reg)
return hw->phy.ops.write_reg(hw, offset, data);
return 0 ;
}
static inline s32 igb_get_phy_info(struct e1000_hw *hw)
{
if (hw->phy.ops.get_phy_info)
return hw->phy.ops.get_phy_info(hw);
return 0 ;
}
static inline struct netdev_queue *txring_txq(const struct igb_ring *tx_ring)
{
return netdev_get_tx_queue(tx_ring->netdev, tx_ring->queue_index);
}
/* This function assumes __netif_tx_lock is held by the caller. */
static inline void igb_xdp_ring_update_tail(struct igb_ring *ring)
{
lockdep_assert_held(&txring_txq(ring)->_xmit_lock);
/* Force memory writes to complete before letting h/w know there
* are new descriptors to fetch .
*/
wmb();
writel(ring->next_to_use, ring->tail);
}
static inline struct igb_ring *igb_xdp_tx_queue_mapping(struct igb_adapter *adapter)
{
unsigned int r_idx = smp_processor_id();
if (r_idx >= adapter->num_tx_queues)
r_idx = r_idx % adapter->num_tx_queues;
return adapter->tx_ring[r_idx];
}
static inline bool igb_xdp_is_enabled(struct igb_adapter *adapter)
{
return !!READ_ONCE(adapter->xdp_prog);
}
int igb_add_filter(struct igb_adapter *adapter,
struct igb_nfc_filter *input);
int igb_erase_filter(struct igb_adapter *adapter,
struct igb_nfc_filter *input);
int igb_add_mac_steering_filter(struct igb_adapter *adapter,
const u8 *addr, u8 queue, u8 flags);
int igb_del_mac_steering_filter(struct igb_adapter *adapter,
const u8 *addr, u8 queue, u8 flags);
struct xsk_buff_pool *igb_xsk_pool(struct igb_adapter *adapter,
struct igb_ring *ring);
int igb_xsk_pool_setup(struct igb_adapter *adapter,
struct xsk_buff_pool *pool,
u16 qid);
bool igb_alloc_rx_buffers_zc(struct igb_ring *rx_ring,
struct xsk_buff_pool *xsk_pool, u16 count);
void igb_clean_rx_ring_zc(struct igb_ring *rx_ring);
int igb_clean_rx_irq_zc(struct igb_q_vector *q_vector,
struct xsk_buff_pool *xsk_pool, const int budget);
bool igb_xmit_zc(struct igb_ring *tx_ring, struct xsk_buff_pool *xsk_pool);
int igb_xsk_wakeup(struct net_device *dev, u32 qid, u32 flags);
#endif /* _IGB_H_ */
Messung V0.5 in Prozent C=90 H=100 G=95
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-10-03)
¤
*© Formatika GbR, Deutschland
2026-10-10
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