Adding upstream version 4.19.249.upstream/4.19.249

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

1 files changed, 181 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/ixgb/ixgb.h b/drivers/net/ethernet/intel/ixgb/ixgb.h
new file mode 100644
index 000000000..e85271b68
--- /dev/null
+++ b/drivers/net/ethernet/intel/ixgb/ixgb.h
@@ -0,0 +1,181 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 1999 - 2008 Intel Corporation. */
+
+#ifndef _IXGB_H_
+#define _IXGB_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/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/ethtool.h>
+#include <linux/if_vlan.h>
+
+#define BAR_0		0
+#define BAR_1		1
+#define BAR_5		5
+
+struct ixgb_adapter;
+#include "ixgb_hw.h"
+#include "ixgb_ee.h"
+#include "ixgb_ids.h"
+
+/* TX/RX descriptor defines */
+#define DEFAULT_TXD      256
+#define MAX_TXD         4096
+#define MIN_TXD           64
+
+/* hardware cannot reliably support more than 512 descriptors owned by
+ * hardware descriptor cache otherwise an unreliable ring under heavy
+ * receive load may result */
+#define DEFAULT_RXD      512
+#define MAX_RXD          512
+#define MIN_RXD           64
+
+/* Supported Rx Buffer Sizes */
+#define IXGB_RXBUFFER_2048  2048
+#define IXGB_RXBUFFER_4096  4096
+#define IXGB_RXBUFFER_8192  8192
+#define IXGB_RXBUFFER_16384 16384
+
+/* How many Rx Buffers do we bundle into one write to the hardware ? */
+#define IXGB_RX_BUFFER_WRITE	8	/* Must be power of 2 */
+
+/* wrapper around a pointer to a socket buffer,
+ * so a DMA handle can be stored along with the buffer */
+struct ixgb_buffer {
+	struct sk_buff *skb;
+	dma_addr_t dma;
+	unsigned long time_stamp;
+	u16 length;
+	u16 next_to_watch;
+	u16 mapped_as_page;
+};
+
+struct ixgb_desc_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 ixgb_buffer *buffer_info;
+};
+
+#define IXGB_DESC_UNUSED(R) \
+	((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
+	(R)->next_to_clean - (R)->next_to_use - 1)
+
+#define IXGB_GET_DESC(R, i, type)	(&(((struct type *)((R).desc))[i]))
+#define IXGB_RX_DESC(R, i)		IXGB_GET_DESC(R, i, ixgb_rx_desc)
+#define IXGB_TX_DESC(R, i)		IXGB_GET_DESC(R, i, ixgb_tx_desc)
+#define IXGB_CONTEXT_DESC(R, i)	IXGB_GET_DESC(R, i, ixgb_context_desc)
+
+/* board specific private data structure */
+
+struct ixgb_adapter {
+	struct timer_list watchdog_timer;
+	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
+	u32 bd_number;
+	u32 rx_buffer_len;
+	u32 part_num;
+	u16 link_speed;
+	u16 link_duplex;
+	struct work_struct tx_timeout_task;
+
+	/* TX */
+	struct ixgb_desc_ring tx_ring ____cacheline_aligned_in_smp;
+	unsigned int restart_queue;
+	unsigned long timeo_start;
+	u32 tx_cmd_type;
+	u64 hw_csum_tx_good;
+	u64 hw_csum_tx_error;
+	u32 tx_int_delay;
+	u32 tx_timeout_count;
+	bool tx_int_delay_enable;
+	bool detect_tx_hung;
+
+	/* RX */
+	struct ixgb_desc_ring rx_ring;
+	u64 hw_csum_rx_error;
+	u64 hw_csum_rx_good;
+	u32 rx_int_delay;
+	bool rx_csum;
+
+	/* OS defined structs */
+	struct napi_struct napi;
+	struct net_device *netdev;
+	struct pci_dev *pdev;
+
+	/* structs defined in ixgb_hw.h */
+	struct ixgb_hw hw;
+	u16 msg_enable;
+	struct ixgb_hw_stats stats;
+	u32 alloc_rx_buff_failed;
+	bool have_msi;
+	unsigned long flags;
+};
+
+enum ixgb_state_t {
+	/* TBD
+	__IXGB_TESTING,
+	__IXGB_RESETTING,
+	*/
+	__IXGB_DOWN
+};
+
+/* Exported from other modules */
+void ixgb_check_options(struct ixgb_adapter *adapter);
+void ixgb_set_ethtool_ops(struct net_device *netdev);
+extern char ixgb_driver_name[];
+extern const char ixgb_driver_version[];
+
+void ixgb_set_speed_duplex(struct net_device *netdev);
+
+int ixgb_up(struct ixgb_adapter *adapter);
+void ixgb_down(struct ixgb_adapter *adapter, bool kill_watchdog);
+void ixgb_reset(struct ixgb_adapter *adapter);
+int ixgb_setup_rx_resources(struct ixgb_adapter *adapter);
+int ixgb_setup_tx_resources(struct ixgb_adapter *adapter);
+void ixgb_free_rx_resources(struct ixgb_adapter *adapter);
+void ixgb_free_tx_resources(struct ixgb_adapter *adapter);
+void ixgb_update_stats(struct ixgb_adapter *adapter);
+
+
+#endif /* _IXGB_H_ */