Introduce files for new e1000 driver

src/drivers/net/e1000/e1000.h

@@ -0,0 +1,303 @@
+/*******************************************************************************
+
+  Intel PRO/1000 Linux driver
+  Copyright(c) 1999 - 2006 Intel Corporation.
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms and conditions of the GNU General Public License,
+  version 2, as published by the Free Software Foundation.
+
+  This program is distributed in the hope it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+  more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program; if not, write to the Free Software Foundation, Inc.,
+  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+  The full GNU General Public License is included in this distribution in
+  the file called "COPYING".
+
+  Contact Information:
+  Linux NICS <linux.nics@intel.com>
+  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+/* Linux PRO/1000 Ethernet Driver main header file */
+
+#ifndef _E1000_H_
+#define _E1000_H_
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <io.h>
+#include <errno.h>
+#include <timer.h>
+#include <byteswap.h>
+#include <gpxe/pci.h>
+#include <gpxe/malloc.h>
+#include <gpxe/if_ether.h>
+#include <gpxe/ethernet.h>
+#include <gpxe/iobuf.h>
+#include <gpxe/netdevice.h>
+
+#define BAR_0		0
+#define BAR_1		1
+#define BAR_5		5
+
+struct e1000_adapter;
+
+#include "e1000_hw.h"
+
+/* 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 0x0680 /* 858 usec */
+
+/* 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_ICH8_APME    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
+
+/* wrapper around a pointer to a socket buffer,
+ * so a DMA handle can be stored along with the buffer */
+struct e1000_buffer {
+	struct sk_buff *skb;
+	unsigned long time_stamp;
+	uint16_t length;
+	uint16_t next_to_watch;
+};
+
+struct e1000_tx_ring {
+	/* pointer to the descriptor ring memory */
+	void *desc;
+	/* 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_buffer *buffer_info;
+
+	uint16_t tdh;
+	uint16_t tdt;
+	boolean_t last_tx_tso;
+};
+
+struct e1000_rx_ring {
+	/* pointer to the descriptor ring memory */
+	void *desc;
+	/* 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_buffer *buffer_info;
+	/* arrays of page information for packet split */
+	struct e1000_ps_page *ps_page;
+	struct e1000_ps_page_dma *ps_page_dma;
+
+	/* cpu for rx queue */
+	int cpu;
+
+	uint16_t rdh;
+	uint16_t rdt;
+};
+
+#define E1000_DESC_UNUSED(R) \
+	((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
+	(R)->next_to_clean - (R)->next_to_use - 1)
+
+#define E1000_RX_DESC_PS(R, i)	    \
+	(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
+#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 {
+	struct vlan_group *vlgrp;
+	uint16_t mng_vlan_id;
+	uint32_t bd_number;
+	uint32_t rx_buffer_len;
+	uint32_t wol;
+	uint32_t smartspeed;
+	uint32_t en_mng_pt;
+	uint16_t link_speed;
+	uint16_t link_duplex;
+
+	unsigned int total_tx_bytes;
+	unsigned int total_tx_packets;
+	unsigned int total_rx_bytes;
+	unsigned int total_rx_packets;
+	/* Interrupt Throttle Rate */
+	uint32_t itr;
+	uint32_t itr_setting;
+	uint16_t tx_itr;
+	uint16_t rx_itr;
+
+	uint8_t fc_autoneg;
+
+	unsigned long led_status;
+
+	/* TX */
+	struct e1000_tx_ring *tx_ring;      /* One per active queue */
+	unsigned int restart_queue;
+	unsigned long tx_queue_len;
+	uint32_t txd_cmd;
+	uint32_t tx_int_delay;
+	uint32_t tx_abs_int_delay;
+	uint32_t gotcl;
+	uint64_t gotcl_old;
+	uint64_t tpt_old;
+	uint64_t colc_old;
+	uint32_t tx_timeout_count;
+	uint32_t tx_fifo_head;
+	uint32_t tx_head_addr;
+	uint32_t tx_fifo_size;
+	uint8_t  tx_timeout_factor;
+	boolean_t pcix_82544;
+	boolean_t detect_tx_hung;
+
+	/* RX */
+	boolean_t (*clean_rx) (struct e1000_adapter *adapter,
+			       struct e1000_rx_ring *rx_ring);
+	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 */
+	int num_tx_queues;
+	int num_rx_queues;
+
+	uint64_t hw_csum_err;
+	uint64_t hw_csum_good;
+	uint64_t rx_hdr_split;
+	uint32_t alloc_rx_buff_failed;
+	uint32_t rx_int_delay;
+	uint32_t rx_abs_int_delay;
+	boolean_t rx_csum;
+	unsigned int rx_ps_pages;
+	uint32_t gorcl;
+	uint64_t gorcl_old;
+	uint16_t rx_ps_bsize0;
+
+
+	/* OS defined structs */
+	struct net_device *netdev;
+	struct pci_device *pdev;
+	struct net_device_stats net_stats;
+
+	/* 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;
+
+	uint32_t test_icr;
+	struct e1000_tx_ring test_tx_ring;
+	struct e1000_rx_ring test_rx_ring;
+
+	int msg_enable;
+	boolean_t have_msi;
+
+	/* to not mess up cache alignment, always add to the bottom */
+	boolean_t tso_force;
+	boolean_t smart_power_down;	/* phy smart power down */
+	boolean_t quad_port_a;
+	unsigned long flags;
+	uint32_t eeprom_wol;
+	
+#define NUM_TX_DESC	8
+#define NUM_RX_DESC	8
+
+	char *tx_desc_ring;
+	char *rx_desc_ring;
+
+	struct io_buffer *tx_iobuf[NUM_TX_DESC];
+	struct io_buffer *rx_iobuf[NUM_RX_DESC];
+
+	struct e1000_tx_desc *tx_desc[NUM_TX_DESC];
+	struct e1000_rx_desc *rx_desc[NUM_RX_DESC];
+	
+	struct e1000_tx_desc *tx_base;
+	struct e1000_rx_desc *rx_base;
+
+	uint32_t tx_head;
+	uint32_t tx_tail;
+	uint32_t tx_fill_ctr;
+	uint32_t rx_tail;
+
+	uint32_t ioaddr;
+	uint32_t irqno;
+
+};
+
+enum e1000_state_t {
+	__E1000_TESTING,
+	__E1000_RESETTING,
+	__E1000_DOWN
+};
+
+#define E1000_MNG2HOST_PORT_623 (1 << 5)
+#define E1000_MNG2HOST_PORT_664 (1 << 6)
+
+#define E1000_ERT_2048 0x100
+
+#define IORESOURCE_IO		0x00000100
+#define IORESOURCE_MEM          0x00000200
+#define IORESOURCE_PREFETCH     0x00001000
+
+#endif /* _E1000_H_ */
+
+/*
+ * Local variables:
+ *  c-basic-offset: 8
+ *  c-indent-level: 8
+ *  tab-width: 8
+ * End:
+ */

src/drivers/net/e1000/e1000_osdep.h

@@ -0,0 +1,141 @@
+/*******************************************************************************
+
+  Intel PRO/1000 Linux driver
+  Copyright(c) 1999 - 2006 Intel Corporation.
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms and conditions of the GNU General Public License,
+  version 2, as published by the Free Software Foundation.
+
+  This program is distributed in the hope it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+  more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program; if not, write to the Free Software Foundation, Inc.,
+  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+  The full GNU General Public License is included in this distribution in
+  the file called "COPYING".
+
+  Contact Information:
+  Linux NICS <linux.nics@intel.com>
+  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+/* glue for the OS independent part of e1000
+ * includes register access macros
+ */
+
+#ifndef _E1000_OSDEP_H_
+#define _E1000_OSDEP_H_
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <io.h>
+#include <errno.h>
+#include <timer.h>
+#include <byteswap.h>
+#include <gpxe/pci.h>
+#include <gpxe/if_ether.h>
+#include <gpxe/ethernet.h>
+#include <gpxe/iobuf.h>
+#include <gpxe/netdevice.h>
+
+typedef enum {
+#undef FALSE
+    FALSE = 0,
+#undef TRUE
+    TRUE = 1
+} boolean_t;
+
+/* Debugging #defines */
+
+#if 1
+#define DEBUGFUNC(F) DBG(F "\n")
+#else
+#define DEBUGFUNC(F)
+#endif
+
+#if 1
+#define DEBUGOUT(S)             DBG(S)
+#define DEBUGOUT1(S, A...)      DBG(S, A)
+#else
+#define DEBUGOUT(S)
+#define DEBUGOUT1(S, A...)
+#endif
+
+#define DEBUGOUT2 DEBUGOUT1
+#define DEBUGOUT3 DEBUGOUT1
+#define DEBUGOUT7 DEBUGOUT1
+
+#define E1000_WRITE_REG(a, reg, value) ( \
+    writel((value), ((a)->hw_addr + \
+        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg))))
+
+#define E1000_READ_REG(a, reg) ( \
+    readl((a)->hw_addr + \
+        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg)))
+
+#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) ( \
+    writel((value), ((a)->hw_addr + \
+        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
+        ((offset) << 2))))
+
+#define E1000_READ_REG_ARRAY(a, reg, offset) ( \
+    readl((a)->hw_addr + \
+        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
+        ((offset) << 2)))
+
+#define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
+#define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY
+
+#define E1000_WRITE_REG_ARRAY_WORD(a, reg, offset, value) ( \
+    writew((value), ((a)->hw_addr + \
+        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
+        ((offset) << 1))))
+
+#define E1000_READ_REG_ARRAY_WORD(a, reg, offset) ( \
+    readw((a)->hw_addr + \
+        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
+        ((offset) << 1)))
+
+#define E1000_WRITE_REG_ARRAY_BYTE(a, reg, offset, value) ( \
+    writeb((value), ((a)->hw_addr + \
+        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
+        (offset))))
+
+#define E1000_READ_REG_ARRAY_BYTE(a, reg, offset) ( \
+    readb((a)->hw_addr + \
+        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
+        (offset)))
+
+#define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, STATUS)
+
+#define E1000_WRITE_ICH_FLASH_REG(a, reg, value) ( \
+    writel((value), ((a)->flash_address + reg)))
+
+#define E1000_READ_ICH_FLASH_REG(a, reg) ( \
+    readl((a)->flash_address + reg))
+
+#define E1000_WRITE_ICH_FLASH_REG16(a, reg, value) ( \
+    writew((value), ((a)->flash_address + reg)))
+
+#define E1000_READ_ICH_FLASH_REG16(a, reg) ( \
+    readw((a)->flash_address + reg))
+
+#define	msleep(n) 	mdelay(n)
+
+#endif /* _E1000_OSDEP_H_ */
+
+/*
+ * Local variables:
+ *  c-basic-offset: 8
+ *  c-indent-level: 8
+ *  tab-width: 8
+ * End:
+ */