mirror of
				https://github.com/torvalds/linux.git
				synced 2025-11-04 10:40:15 +02:00 
			
		
		
		
	This reverts commit 59361316af.
Due to problems found in additional testing, this causes an illegal
context switch in the RCU read-side critical section.
CC: Dave Jones <davej@codemonkey.org.uk>
CC: Cong Wang <xiyou.wangcong@gmail.com>
CC: Jan Jablonsky <jan.jablonsky@thalesgroup.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
		
	
			
		
			
				
	
	
		
			735 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			735 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			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>
 | 
						|
 | 
						|
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		80
 | 
						|
#define IGB_MAX_TXD		4096
 | 
						|
 | 
						|
#define IGB_DEFAULT_RXD		256
 | 
						|
#define IGB_MIN_RXD		80
 | 
						|
#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	0x10CA
 | 
						|
#define IGB_I350_VF_DEV_ID	0x1520
 | 
						|
 | 
						|
/* NVM version defines */
 | 
						|
#define IGB_MAJOR_MASK		0xF000
 | 
						|
#define IGB_MINOR_MASK		0x0FF0
 | 
						|
#define IGB_BUILD_MASK		0x000F
 | 
						|
#define IGB_COMB_VER_MASK	0x00FF
 | 
						|
#define IGB_MAJOR_SHIFT		12
 | 
						|
#define IGB_MINOR_SHIFT		4
 | 
						|
#define IGB_COMB_VER_SHFT	8
 | 
						|
#define IGB_NVM_VER_INVALID	0xFFFF
 | 
						|
#define IGB_ETRACK_SHIFT	16
 | 
						|
#define NVM_ETRACK_WORD		0x0042
 | 
						|
#define NVM_COMB_VER_OFF	0x0083
 | 
						|
#define NVM_COMB_VER_PTR	0x003d
 | 
						|
 | 
						|
/* 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
 | 
						|
 | 
						|
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            0x00000001 /* VF is clear to send data */
 | 
						|
#define IGB_VF_FLAG_UNI_PROMISC    0x00000002 /* VF has unicast promisc */
 | 
						|
#define IGB_VF_FLAG_MULTI_PROMISC  0x00000004 /* VF has multicast promisc */
 | 
						|
#define IGB_VF_FLAG_PF_SET_MAC     0x00000008 /* 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
 | 
						|
 | 
						|
/* Supported Rx Buffer Sizes */
 | 
						|
#define IGB_RXBUFFER_256	256
 | 
						|
#define IGB_RXBUFFER_2048	2048
 | 
						|
#define IGB_RXBUFFER_3072	3072
 | 
						|
#define IGB_RX_HDR_LEN		IGB_RXBUFFER_256
 | 
						|
#define IGB_TS_HDR_LEN		16
 | 
						|
 | 
						|
#define IGB_SKB_PAD		(NET_SKB_PAD + NET_IP_ALIGN)
 | 
						|
#if (PAGE_SIZE < 8192)
 | 
						|
#define IGB_MAX_FRAME_BUILD_SKB \
 | 
						|
	(SKB_WITH_OVERHEAD(IGB_RXBUFFER_2048) - IGB_SKB_PAD - IGB_TS_HDR_LEN)
 | 
						|
#else
 | 
						|
#define IGB_MAX_FRAME_BUILD_SKB (IGB_RXBUFFER_2048 - IGB_TS_HDR_LEN)
 | 
						|
#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		0x0400
 | 
						|
 | 
						|
#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	= 0x01,
 | 
						|
	IGB_TX_FLAGS_TSO	= 0x02,
 | 
						|
	IGB_TX_FLAGS_TSTAMP	= 0x04,
 | 
						|
 | 
						|
	/* olinfo flags */
 | 
						|
	IGB_TX_FLAGS_IPV4	= 0x10,
 | 
						|
	IGB_TX_FLAGS_CSUM	= 0x20,
 | 
						|
};
 | 
						|
 | 
						|
/* VLAN info */
 | 
						|
#define IGB_TX_FLAGS_VLAN_MASK	0xffff0000
 | 
						|
#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 32K.
 | 
						|
 */
 | 
						|
#define IGB_MAX_TXD_PWR	15
 | 
						|
#define IGB_MAX_DATA_PER_TXD	(1u << 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		0x5C
 | 
						|
#define IGB_SFF_8472_COMP		0x5E
 | 
						|
 | 
						|
/* Bitmasks */
 | 
						|
#define IGB_SFF_ADDRESSING_MODE		0x4
 | 
						|
#define IGB_SFF_8472_UNSUP		0x00
 | 
						|
 | 
						|
/* 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;
 | 
						|
	struct sk_buff *skb;
 | 
						|
	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 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;
 | 
						|
	};
 | 
						|
	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;
 | 
						|
		};
 | 
						|
	};
 | 
						|
} ____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[0] ____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
 | 
						|
};
 | 
						|
 | 
						|
#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 + IGB_TS_HDR_LEN;
 | 
						|
#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 = 0x1,
 | 
						|
	IGB_FILTER_FLAG_VLAN_TCI   = 0x2,
 | 
						|
	IGB_FILTER_FLAG_SRC_MAC_ADDR   = 0x4,
 | 
						|
	IGB_FILTER_FLAG_DST_MAC_ADDR   = 0x8,
 | 
						|
};
 | 
						|
 | 
						|
#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	0x1
 | 
						|
#define IGB_MAC_STATE_IN_USE	0x2
 | 
						|
#define IGB_MAC_STATE_SRC_ADDR	0x4
 | 
						|
#define IGB_MAC_STATE_QUEUE_STEERING 0x8
 | 
						|
 | 
						|
/* board specific private data structure */
 | 
						|
struct igb_adapter {
 | 
						|
	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 | 
						|
 | 
						|
	struct net_device *netdev;
 | 
						|
 | 
						|
	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 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[32];
 | 
						|
#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;
 | 
						|
};
 | 
						|
 | 
						|
/* 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		0X0001
 | 
						|
#define IGB_MAS_ENABLE_1		0X0002
 | 
						|
#define IGB_MAS_ENABLE_2		0X0004
 | 
						|
#define IGB_MAS_ENABLE_3		0X0008
 | 
						|
 | 
						|
/* DMA Coalescing defines */
 | 
						|
#define IGB_MIN_TXPBSIZE	20408
 | 
						|
#define IGB_TX_BUF_4096		4096
 | 
						|
#define IGB_DMCTLX_DCFLUSH_DIS	0x80000000  /* 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[];
 | 
						|
extern char igb_driver_version[];
 | 
						|
 | 
						|
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_configure_tx_ring(struct igb_adapter *, struct igb_ring *);
 | 
						|
void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *);
 | 
						|
void igb_setup_tctl(struct igb_adapter *);
 | 
						|
void igb_setup_rctl(struct igb_adapter *);
 | 
						|
netdev_tx_t igb_xmit_frame_ring(struct sk_buff *, struct igb_ring *);
 | 
						|
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);
 | 
						|
void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, void *va,
 | 
						|
			 struct sk_buff *skb);
 | 
						|
int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr);
 | 
						|
int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr);
 | 
						|
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);
 | 
						|
}
 | 
						|
 | 
						|
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);
 | 
						|
 | 
						|
#endif /* _IGB_H_ */
 |