Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 352 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/e1000/e1000.h b/drivers/net/ethernet/intel/e1000/e1000.h
new file mode 100644
index 000000000..4817eb13c
--- /dev/null
+++ b/drivers/net/ethernet/intel/e1000/e1000.h
@@ -0,0 +1,352 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 1999 - 2006 Intel Corporation. */
+
+/* Linux PRO/1000 Ethernet Driver main header file */
+
+#ifndef _E1000_H_
+#define _E1000_H_
+
+#include <linux/stddef.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <asm/byteorder.h>
+#include <linux/mm.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/delay.h>
+#include <linux/timer.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/interrupt.h>
+#include <linux/string.h>
+#include <linux/pagemap.h>
+#include <linux/dma-mapping.h>
+#include <linux/bitops.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <linux/capability.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <net/pkt_sched.h>
+#include <linux/list.h>
+#include <linux/reboot.h>
+#include <net/checksum.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/if_vlan.h>
+
+#define BAR_0		0
+#define BAR_1		1
+
+#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\
+	PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
+
+struct e1000_adapter;
+
+#include "e1000_hw.h"
+
+#define E1000_MAX_INTR			10
+
+/*
+ * Count for polling __E1000_RESET condition every 10-20msec.
+ */
+#define E1000_CHECK_RESET_COUNT	50
+
+/* TX/RX descriptor defines */
+#define E1000_DEFAULT_TXD		256
+#define E1000_MAX_TXD			256
+#define E1000_MIN_TXD			48
+#define E1000_MAX_82544_TXD		4096
+
+#define E1000_DEFAULT_RXD		256
+#define E1000_MAX_RXD			256
+#define E1000_MIN_RXD			48
+#define E1000_MAX_82544_RXD		4096
+
+#define E1000_MIN_ITR_USECS		10 /* 100000 irq/sec */
+#define E1000_MAX_ITR_USECS		10000 /* 100    irq/sec */
+
+/* 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 E1000_RXBUFFER_128		128    /* Used for packet split */
+#define E1000_RXBUFFER_256		256    /* Used for packet split */
+#define E1000_RXBUFFER_512		512
+#define E1000_RXBUFFER_1024		1024
+#define E1000_RXBUFFER_2048		2048
+#define E1000_RXBUFFER_4096		4096
+#define E1000_RXBUFFER_8192		8192
+#define E1000_RXBUFFER_16384		16384
+
+/* SmartSpeed delimiters */
+#define E1000_SMARTSPEED_DOWNSHIFT	3
+#define E1000_SMARTSPEED_MAX		15
+
+/* Packet Buffer allocations */
+#define E1000_PBA_BYTES_SHIFT		0xA
+#define E1000_TX_HEAD_ADDR_SHIFT	7
+#define E1000_PBA_TX_MASK		0xFFFF0000
+
+/* Flow Control Watermarks */
+#define E1000_FC_HIGH_DIFF	0x1638 /* High: 5688 bytes below Rx FIFO size */
+#define E1000_FC_LOW_DIFF	0x1640 /* Low:  5696 bytes below Rx FIFO size */
+
+#define E1000_FC_PAUSE_TIME	0xFFFF /* pause for the max or until send xon */
+
+/* How many Tx Descriptors do we need to call netif_wake_queue ? */
+#define E1000_TX_QUEUE_WAKE	16
+/* How many Rx Buffers do we bundle into one write to the hardware ? */
+#define E1000_RX_BUFFER_WRITE	16 /* Must be power of 2 */
+
+#define AUTO_ALL_MODES		0
+#define E1000_EEPROM_82544_APM	0x0004
+#define E1000_EEPROM_APME	0x0400
+
+#ifndef E1000_MASTER_SLAVE
+/* Switch to override PHY master/slave setting */
+#define E1000_MASTER_SLAVE	e1000_ms_hw_default
+#endif
+
+#define E1000_MNG_VLAN_NONE	(-1)
+
+/* wrapper around a pointer to a socket buffer,
+ * so a DMA handle can be stored along with the buffer
+ */
+struct e1000_tx_buffer {
+	struct sk_buff *skb;
+	dma_addr_t dma;
+	unsigned long time_stamp;
+	u16 length;
+	u16 next_to_watch;
+	bool mapped_as_page;
+	unsigned short segs;
+	unsigned int bytecount;
+};
+
+struct e1000_rx_buffer {
+	union {
+		struct page *page; /* jumbo: alloc_page */
+		u8 *data; /* else, netdev_alloc_frag */
+	} rxbuf;
+	dma_addr_t dma;
+};
+
+struct e1000_tx_ring {
+	/* pointer to the descriptor ring memory */
+	void *desc;
+	/* physical address of the descriptor ring */
+	dma_addr_t dma;
+	/* length of descriptor ring in bytes */
+	unsigned int size;
+	/* number of descriptors in the ring */
+	unsigned int count;
+	/* next descriptor to associate a buffer with */
+	unsigned int next_to_use;
+	/* next descriptor to check for DD status bit */
+	unsigned int next_to_clean;
+	/* array of buffer information structs */
+	struct e1000_tx_buffer *buffer_info;
+
+	u16 tdh;
+	u16 tdt;
+	bool last_tx_tso;
+};
+
+struct e1000_rx_ring {
+	/* pointer to the descriptor ring memory */
+	void *desc;
+	/* physical address of the descriptor ring */
+	dma_addr_t dma;
+	/* length of descriptor ring in bytes */
+	unsigned int size;
+	/* number of descriptors in the ring */
+	unsigned int count;
+	/* next descriptor to associate a buffer with */
+	unsigned int next_to_use;
+	/* next descriptor to check for DD status bit */
+	unsigned int next_to_clean;
+	/* array of buffer information structs */
+	struct e1000_rx_buffer *buffer_info;
+	struct sk_buff *rx_skb_top;
+
+	/* cpu for rx queue */
+	int cpu;
+
+	u16 rdh;
+	u16 rdt;
+};
+
+#define E1000_DESC_UNUSED(R)						\
+({									\
+	unsigned int clean = smp_load_acquire(&(R)->next_to_clean);	\
+	unsigned int use = READ_ONCE((R)->next_to_use);			\
+	(clean > use ? 0 : (R)->count) + clean - use - 1;		\
+})
+
+#define E1000_RX_DESC_EXT(R, i)						\
+	(&(((union e1000_rx_desc_extended *)((R).desc))[i]))
+#define E1000_GET_DESC(R, i, type)	(&(((struct type *)((R).desc))[i]))
+#define E1000_RX_DESC(R, i)		E1000_GET_DESC(R, i, e1000_rx_desc)
+#define E1000_TX_DESC(R, i)		E1000_GET_DESC(R, i, e1000_tx_desc)
+#define E1000_CONTEXT_DESC(R, i)	E1000_GET_DESC(R, i, e1000_context_desc)
+
+/* board specific private data structure */
+
+struct e1000_adapter {
+	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
+	u16 mng_vlan_id;
+	u32 bd_number;
+	u32 rx_buffer_len;
+	u32 wol;
+	u32 smartspeed;
+	u32 en_mng_pt;
+	u16 link_speed;
+	u16 link_duplex;
+	spinlock_t stats_lock;
+	unsigned int total_tx_bytes;
+	unsigned int total_tx_packets;
+	unsigned int total_rx_bytes;
+	unsigned int total_rx_packets;
+	/* Interrupt Throttle Rate */
+	u32 itr;
+	u32 itr_setting;
+	u16 tx_itr;
+	u16 rx_itr;
+
+	u8 fc_autoneg;
+
+	/* TX */
+	struct e1000_tx_ring *tx_ring;      /* One per active queue */
+	unsigned int restart_queue;
+	u32 txd_cmd;
+	u32 tx_int_delay;
+	u32 tx_abs_int_delay;
+	u32 gotcl;
+	u64 gotcl_old;
+	u64 tpt_old;
+	u64 colc_old;
+	u32 tx_timeout_count;
+	u32 tx_fifo_head;
+	u32 tx_head_addr;
+	u32 tx_fifo_size;
+	u8  tx_timeout_factor;
+	atomic_t tx_fifo_stall;
+	bool pcix_82544;
+	bool detect_tx_hung;
+	bool dump_buffers;
+
+	/* RX */
+	bool (*clean_rx)(struct e1000_adapter *adapter,
+			 struct e1000_rx_ring *rx_ring,
+			 int *work_done, int work_to_do);
+	void (*alloc_rx_buf)(struct e1000_adapter *adapter,
+			     struct e1000_rx_ring *rx_ring,
+			     int cleaned_count);
+	struct e1000_rx_ring *rx_ring;      /* One per active queue */
+	struct napi_struct napi;
+
+	int num_tx_queues;
+	int num_rx_queues;
+
+	u64 hw_csum_err;
+	u64 hw_csum_good;
+	u32 alloc_rx_buff_failed;
+	u32 rx_int_delay;
+	u32 rx_abs_int_delay;
+	bool rx_csum;
+	u32 gorcl;
+	u64 gorcl_old;
+
+	/* OS defined structs */
+	struct net_device *netdev;
+	struct pci_dev *pdev;
+
+	/* structs defined in e1000_hw.h */
+	struct e1000_hw hw;
+	struct e1000_hw_stats stats;
+	struct e1000_phy_info phy_info;
+	struct e1000_phy_stats phy_stats;
+
+	u32 test_icr;
+	struct e1000_tx_ring test_tx_ring;
+	struct e1000_rx_ring test_rx_ring;
+
+	int msg_enable;
+
+	/* to not mess up cache alignment, always add to the bottom */
+	bool tso_force;
+	bool smart_power_down;	/* phy smart power down */
+	bool quad_port_a;
+	unsigned long flags;
+	u32 eeprom_wol;
+
+	/* for ioport free */
+	int bars;
+	int need_ioport;
+
+	bool discarding;
+
+	struct work_struct reset_task;
+	struct delayed_work watchdog_task;
+	struct delayed_work fifo_stall_task;
+	struct delayed_work phy_info_task;
+};
+
+enum e1000_state_t {
+	__E1000_TESTING,
+	__E1000_RESETTING,
+	__E1000_DOWN,
+	__E1000_DISABLED
+};
+
+#undef pr_fmt
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+struct net_device *e1000_get_hw_dev(struct e1000_hw *hw);
+#define e_dbg(format, arg...) \
+	netdev_dbg(e1000_get_hw_dev(hw), format, ## arg)
+#define e_err(msglvl, format, arg...) \
+	netif_err(adapter, msglvl, adapter->netdev, format, ## arg)
+#define e_info(msglvl, format, arg...) \
+	netif_info(adapter, msglvl, adapter->netdev, format, ## arg)
+#define e_warn(msglvl, format, arg...) \
+	netif_warn(adapter, msglvl, adapter->netdev, format, ## arg)
+#define e_notice(msglvl, format, arg...) \
+	netif_notice(adapter, msglvl, adapter->netdev, format, ## arg)
+#define e_dev_info(format, arg...) \
+	dev_info(&adapter->pdev->dev, format, ## arg)
+#define e_dev_warn(format, arg...) \
+	dev_warn(&adapter->pdev->dev, format, ## arg)
+#define e_dev_err(format, arg...) \
+	dev_err(&adapter->pdev->dev, format, ## arg)
+
+extern char e1000_driver_name[];
+
+int e1000_open(struct net_device *netdev);
+int e1000_close(struct net_device *netdev);
+int e1000_up(struct e1000_adapter *adapter);
+void e1000_down(struct e1000_adapter *adapter);
+void e1000_reinit_locked(struct e1000_adapter *adapter);
+void e1000_reset(struct e1000_adapter *adapter);
+int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx);
+int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
+int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
+void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
+void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
+void e1000_update_stats(struct e1000_adapter *adapter);
+bool e1000_has_link(struct e1000_adapter *adapter);
+void e1000_power_up_phy(struct e1000_adapter *);
+void e1000_set_ethtool_ops(struct net_device *netdev);
+void e1000_check_options(struct e1000_adapter *adapter);
+char *e1000_get_hw_dev_name(struct e1000_hw *hw);
+
+#endif /* _E1000_H_ */