--- /dev/null
+#ifndef __MV64340_ETH_H__
+#define __MV64340_ETH_H__
+
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+
+#include <linux/mv643xx.h>
+
+#define BIT0 0x00000001
+#define BIT1 0x00000002
+#define BIT2 0x00000004
+#define BIT3 0x00000008
+#define BIT4 0x00000010
+#define BIT5 0x00000020
+#define BIT6 0x00000040
+#define BIT7 0x00000080
+#define BIT8 0x00000100
+#define BIT9 0x00000200
+#define BIT10 0x00000400
+#define BIT11 0x00000800
+#define BIT12 0x00001000
+#define BIT13 0x00002000
+#define BIT14 0x00004000
+#define BIT15 0x00008000
+#define BIT16 0x00010000
+#define BIT17 0x00020000
+#define BIT18 0x00040000
+#define BIT19 0x00080000
+#define BIT20 0x00100000
+#define BIT21 0x00200000
+#define BIT22 0x00400000
+#define BIT23 0x00800000
+#define BIT24 0x01000000
+#define BIT25 0x02000000
+#define BIT26 0x04000000
+#define BIT27 0x08000000
+#define BIT28 0x10000000
+#define BIT29 0x20000000
+#define BIT30 0x40000000
+#define BIT31 0x80000000
+
+/*
+ * The first part is the high level driver of the gigE ethernet ports.
+ */
+
+#define ETH_PORT0_IRQ_NUM 48 /* main high register, bit0 */
+#define ETH_PORT1_IRQ_NUM ETH_PORT0_IRQ_NUM+1 /* main high register, bit1 */
+#define ETH_PORT2_IRQ_NUM ETH_PORT0_IRQ_NUM+2 /* main high register, bit1 */
+
+/* Checksum offload for Tx works */
+#define MV64340_CHECKSUM_OFFLOAD_TX
+#define MV64340_NAPI
+#define MV64340_TX_FAST_REFILL
+#undef MV64340_COAL
+
+/*
+ * Number of RX / TX descriptors on RX / TX rings.
+ * Note that allocating RX descriptors is done by allocating the RX
+ * ring AND a preallocated RX buffers (skb's) for each descriptor.
+ * The TX descriptors only allocates the TX descriptors ring,
+ * with no pre allocated TX buffers (skb's are allocated by higher layers.
+ */
+
+/* Default TX ring size is 1000 descriptors */
+#define MV64340_TX_QUEUE_SIZE 1000
+
+/* Default RX ring size is 400 descriptors */
+#define MV64340_RX_QUEUE_SIZE 400
+
+#define MV64340_TX_COAL 100
+#ifdef MV64340_COAL
+#define MV64340_RX_COAL 100
+#endif
+
+
+/*
+ * The second part is the low level driver of the gigE ethernet ports. *
+ */
+
+
+/*
+ * Header File for : MV-643xx network interface header
+ *
+ * DESCRIPTION:
+ * This header file contains macros typedefs and function declaration for
+ * the Marvell Gig Bit Ethernet Controller.
+ *
+ * DEPENDENCIES:
+ * None.
+ *
+ */
+
+/* Default port configuration value */
+#define PORT_CONFIG_VALUE \
+ ETH_UNICAST_NORMAL_MODE | \
+ ETH_DEFAULT_RX_QUEUE_0 | \
+ ETH_DEFAULT_RX_ARP_QUEUE_0 | \
+ ETH_RECEIVE_BC_IF_NOT_IP_OR_ARP | \
+ ETH_RECEIVE_BC_IF_IP | \
+ ETH_RECEIVE_BC_IF_ARP | \
+ ETH_CAPTURE_TCP_FRAMES_DIS | \
+ ETH_CAPTURE_UDP_FRAMES_DIS | \
+ ETH_DEFAULT_RX_TCP_QUEUE_0 | \
+ ETH_DEFAULT_RX_UDP_QUEUE_0 | \
+ ETH_DEFAULT_RX_BPDU_QUEUE_0
+
+/* Default port extend configuration value */
+#define PORT_CONFIG_EXTEND_VALUE \
+ ETH_SPAN_BPDU_PACKETS_AS_NORMAL | \
+ ETH_PARTITION_DISABLE
+
+
+/* Default sdma control value */
+#define PORT_SDMA_CONFIG_VALUE \
+ ETH_RX_BURST_SIZE_16_64BIT | \
+ GT_ETH_IPG_INT_RX(0) | \
+ ETH_TX_BURST_SIZE_16_64BIT;
+
+#define GT_ETH_IPG_INT_RX(value) \
+ ((value & 0x3fff) << 8)
+
+/* Default port serial control value */
+#define PORT_SERIAL_CONTROL_VALUE \
+ ETH_FORCE_LINK_PASS | \
+ ETH_ENABLE_AUTO_NEG_FOR_DUPLX | \
+ ETH_DISABLE_AUTO_NEG_FOR_FLOW_CTRL | \
+ ETH_ADV_SYMMETRIC_FLOW_CTRL | \
+ ETH_FORCE_FC_MODE_NO_PAUSE_DIS_TX | \
+ ETH_FORCE_BP_MODE_NO_JAM | \
+ BIT9 | \
+ ETH_DO_NOT_FORCE_LINK_FAIL | \
+ ETH_RETRANSMIT_16_ATTEMPTS | \
+ ETH_ENABLE_AUTO_NEG_SPEED_GMII | \
+ ETH_DTE_ADV_0 | \
+ ETH_DISABLE_AUTO_NEG_BYPASS | \
+ ETH_AUTO_NEG_NO_CHANGE | \
+ ETH_MAX_RX_PACKET_9700BYTE | \
+ ETH_CLR_EXT_LOOPBACK | \
+ ETH_SET_FULL_DUPLEX_MODE | \
+ ETH_ENABLE_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX
+
+#define RX_BUFFER_MAX_SIZE 0x4000000
+#define TX_BUFFER_MAX_SIZE 0x4000000
+
+/* MAC accepet/reject macros */
+#define ACCEPT_MAC_ADDR 0
+#define REJECT_MAC_ADDR 1
+
+/* Buffer offset from buffer pointer */
+#define RX_BUF_OFFSET 0x2
+
+/* Gigabit Ethernet Unit Global Registers */
+
+/* MIB Counters register definitions */
+#define ETH_MIB_GOOD_OCTETS_RECEIVED_LOW 0x0
+#define ETH_MIB_GOOD_OCTETS_RECEIVED_HIGH 0x4
+#define ETH_MIB_BAD_OCTETS_RECEIVED 0x8
+#define ETH_MIB_INTERNAL_MAC_TRANSMIT_ERR 0xc
+#define ETH_MIB_GOOD_FRAMES_RECEIVED 0x10
+#define ETH_MIB_BAD_FRAMES_RECEIVED 0x14
+#define ETH_MIB_BROADCAST_FRAMES_RECEIVED 0x18
+#define ETH_MIB_MULTICAST_FRAMES_RECEIVED 0x1c
+#define ETH_MIB_FRAMES_64_OCTETS 0x20
+#define ETH_MIB_FRAMES_65_TO_127_OCTETS 0x24
+#define ETH_MIB_FRAMES_128_TO_255_OCTETS 0x28
+#define ETH_MIB_FRAMES_256_TO_511_OCTETS 0x2c
+#define ETH_MIB_FRAMES_512_TO_1023_OCTETS 0x30
+#define ETH_MIB_FRAMES_1024_TO_MAX_OCTETS 0x34
+#define ETH_MIB_GOOD_OCTETS_SENT_LOW 0x38
+#define ETH_MIB_GOOD_OCTETS_SENT_HIGH 0x3c
+#define ETH_MIB_GOOD_FRAMES_SENT 0x40
+#define ETH_MIB_EXCESSIVE_COLLISION 0x44
+#define ETH_MIB_MULTICAST_FRAMES_SENT 0x48
+#define ETH_MIB_BROADCAST_FRAMES_SENT 0x4c
+#define ETH_MIB_UNREC_MAC_CONTROL_RECEIVED 0x50
+#define ETH_MIB_FC_SENT 0x54
+#define ETH_MIB_GOOD_FC_RECEIVED 0x58
+#define ETH_MIB_BAD_FC_RECEIVED 0x5c
+#define ETH_MIB_UNDERSIZE_RECEIVED 0x60
+#define ETH_MIB_FRAGMENTS_RECEIVED 0x64
+#define ETH_MIB_OVERSIZE_RECEIVED 0x68
+#define ETH_MIB_JABBER_RECEIVED 0x6c
+#define ETH_MIB_MAC_RECEIVE_ERROR 0x70
+#define ETH_MIB_BAD_CRC_EVENT 0x74
+#define ETH_MIB_COLLISION 0x78
+#define ETH_MIB_LATE_COLLISION 0x7c
+
+/* Port serial status reg (PSR) */
+#define ETH_INTERFACE_GMII_MII 0
+#define ETH_INTERFACE_PCM BIT0
+#define ETH_LINK_IS_DOWN 0
+#define ETH_LINK_IS_UP BIT1
+#define ETH_PORT_AT_HALF_DUPLEX 0
+#define ETH_PORT_AT_FULL_DUPLEX BIT2
+#define ETH_RX_FLOW_CTRL_DISABLED 0
+#define ETH_RX_FLOW_CTRL_ENBALED BIT3
+#define ETH_GMII_SPEED_100_10 0
+#define ETH_GMII_SPEED_1000 BIT4
+#define ETH_MII_SPEED_10 0
+#define ETH_MII_SPEED_100 BIT5
+#define ETH_NO_TX 0
+#define ETH_TX_IN_PROGRESS BIT7
+#define ETH_BYPASS_NO_ACTIVE 0
+#define ETH_BYPASS_ACTIVE BIT8
+#define ETH_PORT_NOT_AT_PARTITION_STATE 0
+#define ETH_PORT_AT_PARTITION_STATE BIT9
+#define ETH_PORT_TX_FIFO_NOT_EMPTY 0
+#define ETH_PORT_TX_FIFO_EMPTY BIT10
+
+
+/* These macros describes the Port configuration reg (Px_cR) bits */
+#define ETH_UNICAST_NORMAL_MODE 0
+#define ETH_UNICAST_PROMISCUOUS_MODE BIT0
+#define ETH_DEFAULT_RX_QUEUE_0 0
+#define ETH_DEFAULT_RX_QUEUE_1 BIT1
+#define ETH_DEFAULT_RX_QUEUE_2 BIT2
+#define ETH_DEFAULT_RX_QUEUE_3 (BIT2 | BIT1)
+#define ETH_DEFAULT_RX_QUEUE_4 BIT3
+#define ETH_DEFAULT_RX_QUEUE_5 (BIT3 | BIT1)
+#define ETH_DEFAULT_RX_QUEUE_6 (BIT3 | BIT2)
+#define ETH_DEFAULT_RX_QUEUE_7 (BIT3 | BIT2 | BIT1)
+#define ETH_DEFAULT_RX_ARP_QUEUE_0 0
+#define ETH_DEFAULT_RX_ARP_QUEUE_1 BIT4
+#define ETH_DEFAULT_RX_ARP_QUEUE_2 BIT5
+#define ETH_DEFAULT_RX_ARP_QUEUE_3 (BIT5 | BIT4)
+#define ETH_DEFAULT_RX_ARP_QUEUE_4 BIT6
+#define ETH_DEFAULT_RX_ARP_QUEUE_5 (BIT6 | BIT4)
+#define ETH_DEFAULT_RX_ARP_QUEUE_6 (BIT6 | BIT5)
+#define ETH_DEFAULT_RX_ARP_QUEUE_7 (BIT6 | BIT5 | BIT4)
+#define ETH_RECEIVE_BC_IF_NOT_IP_OR_ARP 0
+#define ETH_REJECT_BC_IF_NOT_IP_OR_ARP BIT7
+#define ETH_RECEIVE_BC_IF_IP 0
+#define ETH_REJECT_BC_IF_IP BIT8
+#define ETH_RECEIVE_BC_IF_ARP 0
+#define ETH_REJECT_BC_IF_ARP BIT9
+#define ETH_TX_AM_NO_UPDATE_ERROR_SUMMARY BIT12
+#define ETH_CAPTURE_TCP_FRAMES_DIS 0
+#define ETH_CAPTURE_TCP_FRAMES_EN BIT14
+#define ETH_CAPTURE_UDP_FRAMES_DIS 0
+#define ETH_CAPTURE_UDP_FRAMES_EN BIT15
+#define ETH_DEFAULT_RX_TCP_QUEUE_0 0
+#define ETH_DEFAULT_RX_TCP_QUEUE_1 BIT16
+#define ETH_DEFAULT_RX_TCP_QUEUE_2 BIT17
+#define ETH_DEFAULT_RX_TCP_QUEUE_3 (BIT17 | BIT16)
+#define ETH_DEFAULT_RX_TCP_QUEUE_4 BIT18
+#define ETH_DEFAULT_RX_TCP_QUEUE_5 (BIT18 | BIT16)
+#define ETH_DEFAULT_RX_TCP_QUEUE_6 (BIT18 | BIT17)
+#define ETH_DEFAULT_RX_TCP_QUEUE_7 (BIT18 | BIT17 | BIT16)
+#define ETH_DEFAULT_RX_UDP_QUEUE_0 0
+#define ETH_DEFAULT_RX_UDP_QUEUE_1 BIT19
+#define ETH_DEFAULT_RX_UDP_QUEUE_2 BIT20
+#define ETH_DEFAULT_RX_UDP_QUEUE_3 (BIT20 | BIT19)
+#define ETH_DEFAULT_RX_UDP_QUEUE_4 (BIT21
+#define ETH_DEFAULT_RX_UDP_QUEUE_5 (BIT21 | BIT19)
+#define ETH_DEFAULT_RX_UDP_QUEUE_6 (BIT21 | BIT20)
+#define ETH_DEFAULT_RX_UDP_QUEUE_7 (BIT21 | BIT20 | BIT19)
+#define ETH_DEFAULT_RX_BPDU_QUEUE_0 0
+#define ETH_DEFAULT_RX_BPDU_QUEUE_1 BIT22
+#define ETH_DEFAULT_RX_BPDU_QUEUE_2 BIT23
+#define ETH_DEFAULT_RX_BPDU_QUEUE_3 (BIT23 | BIT22)
+#define ETH_DEFAULT_RX_BPDU_QUEUE_4 BIT24
+#define ETH_DEFAULT_RX_BPDU_QUEUE_5 (BIT24 | BIT22)
+#define ETH_DEFAULT_RX_BPDU_QUEUE_6 (BIT24 | BIT23)
+#define ETH_DEFAULT_RX_BPDU_QUEUE_7 (BIT24 | BIT23 | BIT22)
+
+
+/* These macros describes the Port configuration extend reg (Px_cXR) bits*/
+#define ETH_CLASSIFY_EN BIT0
+#define ETH_SPAN_BPDU_PACKETS_AS_NORMAL 0
+#define ETH_SPAN_BPDU_PACKETS_TO_RX_QUEUE_7 BIT1
+#define ETH_PARTITION_DISABLE 0
+#define ETH_PARTITION_ENABLE BIT2
+
+
+/* Tx/Rx queue command reg (RQCR/TQCR)*/
+#define ETH_QUEUE_0_ENABLE BIT0
+#define ETH_QUEUE_1_ENABLE BIT1
+#define ETH_QUEUE_2_ENABLE BIT2
+#define ETH_QUEUE_3_ENABLE BIT3
+#define ETH_QUEUE_4_ENABLE BIT4
+#define ETH_QUEUE_5_ENABLE BIT5
+#define ETH_QUEUE_6_ENABLE BIT6
+#define ETH_QUEUE_7_ENABLE BIT7
+#define ETH_QUEUE_0_DISABLE BIT8
+#define ETH_QUEUE_1_DISABLE BIT9
+#define ETH_QUEUE_2_DISABLE BIT10
+#define ETH_QUEUE_3_DISABLE BIT11
+#define ETH_QUEUE_4_DISABLE BIT12
+#define ETH_QUEUE_5_DISABLE BIT13
+#define ETH_QUEUE_6_DISABLE BIT14
+#define ETH_QUEUE_7_DISABLE BIT15
+
+
+/* These macros describes the Port Sdma configuration reg (SDCR) bits */
+#define ETH_RIFB BIT0
+#define ETH_RX_BURST_SIZE_1_64BIT 0
+#define ETH_RX_BURST_SIZE_2_64BIT BIT1
+#define ETH_RX_BURST_SIZE_4_64BIT BIT2
+#define ETH_RX_BURST_SIZE_8_64BIT (BIT2 | BIT1)
+#define ETH_RX_BURST_SIZE_16_64BIT BIT3
+#define ETH_BLM_RX_NO_SWAP BIT4
+#define ETH_BLM_RX_BYTE_SWAP 0
+#define ETH_BLM_TX_NO_SWAP BIT5
+#define ETH_BLM_TX_BYTE_SWAP 0
+#define ETH_DESCRIPTORS_BYTE_SWAP BIT6
+#define ETH_DESCRIPTORS_NO_SWAP 0
+#define ETH_TX_BURST_SIZE_1_64BIT 0
+#define ETH_TX_BURST_SIZE_2_64BIT BIT22
+#define ETH_TX_BURST_SIZE_4_64BIT BIT23
+#define ETH_TX_BURST_SIZE_8_64BIT (BIT23 | BIT22)
+#define ETH_TX_BURST_SIZE_16_64BIT BIT24
+
+
+
+/* These macros describes the Port serial control reg (PSCR) bits */
+#define ETH_SERIAL_PORT_DISABLE 0
+#define ETH_SERIAL_PORT_ENABLE BIT0
+#define ETH_FORCE_LINK_PASS BIT1
+#define ETH_DO_NOT_FORCE_LINK_PASS 0
+#define ETH_ENABLE_AUTO_NEG_FOR_DUPLX 0
+#define ETH_DISABLE_AUTO_NEG_FOR_DUPLX BIT2
+#define ETH_ENABLE_AUTO_NEG_FOR_FLOW_CTRL 0
+#define ETH_DISABLE_AUTO_NEG_FOR_FLOW_CTRL BIT3
+#define ETH_ADV_NO_FLOW_CTRL 0
+#define ETH_ADV_SYMMETRIC_FLOW_CTRL BIT4
+#define ETH_FORCE_FC_MODE_NO_PAUSE_DIS_TX 0
+#define ETH_FORCE_FC_MODE_TX_PAUSE_DIS BIT5
+#define ETH_FORCE_BP_MODE_NO_JAM 0
+#define ETH_FORCE_BP_MODE_JAM_TX BIT7
+#define ETH_FORCE_BP_MODE_JAM_TX_ON_RX_ERR BIT8
+#define ETH_FORCE_LINK_FAIL 0
+#define ETH_DO_NOT_FORCE_LINK_FAIL BIT10
+#define ETH_RETRANSMIT_16_ATTEMPTS 0
+#define ETH_RETRANSMIT_FOREVER BIT11
+#define ETH_DISABLE_AUTO_NEG_SPEED_GMII BIT13
+#define ETH_ENABLE_AUTO_NEG_SPEED_GMII 0
+#define ETH_DTE_ADV_0 0
+#define ETH_DTE_ADV_1 BIT14
+#define ETH_DISABLE_AUTO_NEG_BYPASS 0
+#define ETH_ENABLE_AUTO_NEG_BYPASS BIT15
+#define ETH_AUTO_NEG_NO_CHANGE 0
+#define ETH_RESTART_AUTO_NEG BIT16
+#define ETH_MAX_RX_PACKET_1518BYTE 0
+#define ETH_MAX_RX_PACKET_1522BYTE BIT17
+#define ETH_MAX_RX_PACKET_1552BYTE BIT18
+#define ETH_MAX_RX_PACKET_9022BYTE (BIT18 | BIT17)
+#define ETH_MAX_RX_PACKET_9192BYTE BIT19
+#define ETH_MAX_RX_PACKET_9700BYTE (BIT19 | BIT17)
+#define ETH_SET_EXT_LOOPBACK BIT20
+#define ETH_CLR_EXT_LOOPBACK 0
+#define ETH_SET_FULL_DUPLEX_MODE BIT21
+#define ETH_SET_HALF_DUPLEX_MODE 0
+#define ETH_ENABLE_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX BIT22
+#define ETH_DISABLE_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX 0
+#define ETH_SET_GMII_SPEED_TO_10_100 0
+#define ETH_SET_GMII_SPEED_TO_1000 BIT23
+#define ETH_SET_MII_SPEED_TO_10 0
+#define ETH_SET_MII_SPEED_TO_100 BIT24
+
+
+/* SMI reg */
+#define ETH_SMI_BUSY BIT28 /* 0 - Write, 1 - Read */
+#define ETH_SMI_READ_VALID BIT27 /* 0 - Write, 1 - Read */
+#define ETH_SMI_OPCODE_WRITE 0 /* Completion of Read operation */
+#define ETH_SMI_OPCODE_READ BIT26 /* Operation is in progress */
+
+/* SDMA command status fields macros */
+
+/* Tx & Rx descriptors status */
+#define ETH_ERROR_SUMMARY (BIT0)
+
+/* Tx & Rx descriptors command */
+#define ETH_BUFFER_OWNED_BY_DMA (BIT31)
+
+/* Tx descriptors status */
+#define ETH_LC_ERROR (0 )
+#define ETH_UR_ERROR (BIT1 )
+#define ETH_RL_ERROR (BIT2 )
+#define ETH_LLC_SNAP_FORMAT (BIT9 )
+
+/* Rx descriptors status */
+#define ETH_CRC_ERROR (0 )
+#define ETH_OVERRUN_ERROR (BIT1 )
+#define ETH_MAX_FRAME_LENGTH_ERROR (BIT2 )
+#define ETH_RESOURCE_ERROR ((BIT2 | BIT1))
+#define ETH_VLAN_TAGGED (BIT19)
+#define ETH_BPDU_FRAME (BIT20)
+#define ETH_TCP_FRAME_OVER_IP_V_4 (0 )
+#define ETH_UDP_FRAME_OVER_IP_V_4 (BIT21)
+#define ETH_OTHER_FRAME_TYPE (BIT22)
+#define ETH_LAYER_2_IS_ETH_V_2 (BIT23)
+#define ETH_FRAME_TYPE_IP_V_4 (BIT24)
+#define ETH_FRAME_HEADER_OK (BIT25)
+#define ETH_RX_LAST_DESC (BIT26)
+#define ETH_RX_FIRST_DESC (BIT27)
+#define ETH_UNKNOWN_DESTINATION_ADDR (BIT28)
+#define ETH_RX_ENABLE_INTERRUPT (BIT29)
+#define ETH_LAYER_4_CHECKSUM_OK (BIT30)
+
+/* Rx descriptors byte count */
+#define ETH_FRAME_FRAGMENTED (BIT2)
+
+/* Tx descriptors command */
+#define ETH_LAYER_4_CHECKSUM_FIRST_DESC (BIT10)
+#define ETH_FRAME_SET_TO_VLAN (BIT15)
+#define ETH_TCP_FRAME (0 )
+#define ETH_UDP_FRAME (BIT16)
+#define ETH_GEN_TCP_UDP_CHECKSUM (BIT17)
+#define ETH_GEN_IP_V_4_CHECKSUM (BIT18)
+#define ETH_ZERO_PADDING (BIT19)
+#define ETH_TX_LAST_DESC (BIT20)
+#define ETH_TX_FIRST_DESC (BIT21)
+#define ETH_GEN_CRC (BIT22)
+#define ETH_TX_ENABLE_INTERRUPT (BIT23)
+#define ETH_AUTO_MODE (BIT30)
+
+/* typedefs */
+
+typedef enum _eth_func_ret_status {
+ ETH_OK, /* Returned as expected. */
+ ETH_ERROR, /* Fundamental error. */
+ ETH_RETRY, /* Could not process request. Try later. */
+ ETH_END_OF_JOB, /* Ring has nothing to process. */
+ ETH_QUEUE_FULL, /* Ring resource error. */
+ ETH_QUEUE_LAST_RESOURCE /* Ring resources about to exhaust. */
+} ETH_FUNC_RET_STATUS;
+
+typedef enum _eth_target {
+ ETH_TARGET_DRAM,
+ ETH_TARGET_DEVICE,
+ ETH_TARGET_CBS,
+ ETH_TARGET_PCI0,
+ ETH_TARGET_PCI1
+} ETH_TARGET;
+
+/* These are for big-endian machines. Little endian needs different
+ * definitions.
+ */
+#if defined(__BIG_ENDIAN)
+struct eth_rx_desc {
+ u16 byte_cnt; /* Descriptor buffer byte count */
+ u16 buf_size; /* Buffer size */
+ u32 cmd_sts; /* Descriptor command status */
+ u32 next_desc_ptr; /* Next descriptor pointer */
+ u32 buf_ptr; /* Descriptor buffer pointer */
+};
+
+struct eth_tx_desc {
+ u16 byte_cnt; /* buffer byte count */
+ u16 l4i_chk; /* CPU provided TCP checksum */
+ u32 cmd_sts; /* Command/status field */
+ u32 next_desc_ptr; /* Pointer to next descriptor */
+ u32 buf_ptr; /* pointer to buffer for this descriptor */
+};
+
+#elif defined(__LITTLE_ENDIAN)
+struct eth_rx_desc {
+ u32 cmd_sts; /* Descriptor command status */
+ u16 buf_size; /* Buffer size */
+ u16 byte_cnt; /* Descriptor buffer byte count */
+ u32 buf_ptr; /* Descriptor buffer pointer */
+ u32 next_desc_ptr; /* Next descriptor pointer */
+};
+
+struct eth_tx_desc {
+ u32 cmd_sts; /* Command/status field */
+ u16 l4i_chk; /* CPU provided TCP checksum */
+ u16 byte_cnt; /* buffer byte count */
+ u32 buf_ptr; /* pointer to buffer for this descriptor */
+ u32 next_desc_ptr; /* Pointer to next descriptor */
+};
+#else
+#error One of __BIG_ENDIAN or __LITTLE_ENDIAN must be defined
+#endif
+
+/* Unified struct for Rx and Tx operations. The user is not required to */
+/* be familier with neither Tx nor Rx descriptors. */
+struct pkt_info {
+ unsigned short byte_cnt; /* Descriptor buffer byte count */
+ unsigned short l4i_chk; /* Tx CPU provided TCP Checksum */
+ unsigned int cmd_sts; /* Descriptor command status */
+ dma_addr_t buf_ptr; /* Descriptor buffer pointer */
+ struct sk_buff * return_info; /* User resource return information */
+};
+
+
+/* Ethernet port specific infomation */
+
+struct mv64340_private {
+ int port_num; /* User Ethernet port number */
+ u8 port_mac_addr[6]; /* User defined port MAC address. */
+ u32 port_config; /* User port configuration value */
+ u32 port_config_extend; /* User port config extend value */
+ u32 port_sdma_config; /* User port SDMA config value */
+ u32 port_serial_control; /* User port serial control value */
+ u32 port_tx_queue_command; /* Port active Tx queues summary */
+ u32 port_rx_queue_command; /* Port active Rx queues summary */
+
+ int rx_resource_err; /* Rx ring resource error flag */
+ int tx_resource_err; /* Tx ring resource error flag */
+
+ /* Tx/Rx rings managment indexes fields. For driver use */
+
+ /* Next available and first returning Rx resource */
+ int rx_curr_desc_q, rx_used_desc_q;
+
+ /* Next available and first returning Tx resource */
+ int tx_curr_desc_q, tx_used_desc_q;
+#ifdef MV64340_CHECKSUM_OFFLOAD_TX
+ int tx_first_desc_q;
+#endif
+
+#ifdef MV64340_TX_FAST_REFILL
+ u32 tx_clean_threshold;
+#endif
+
+ volatile struct eth_rx_desc * p_rx_desc_area;
+ dma_addr_t rx_desc_dma;
+ unsigned int rx_desc_area_size;
+ struct sk_buff * rx_skb[MV64340_RX_QUEUE_SIZE];
+
+ volatile struct eth_tx_desc * p_tx_desc_area;
+ dma_addr_t tx_desc_dma;
+ unsigned int tx_desc_area_size;
+ struct sk_buff * tx_skb[MV64340_TX_QUEUE_SIZE];
+
+ struct work_struct tx_timeout_task;
+
+ /*
+ * Former struct mv64340_eth_priv members start here
+ */
+ struct net_device_stats stats;
+ spinlock_t lock;
+ /* Size of Tx Ring per queue */
+ unsigned int tx_ring_size;
+ /* Ammont of SKBs outstanding on Tx queue */
+ unsigned int tx_ring_skbs;
+ /* Size of Rx Ring per queue */
+ unsigned int rx_ring_size;
+ /* Ammount of SKBs allocated to Rx Ring per queue */
+ unsigned int rx_ring_skbs;
+
+ /*
+ * rx_task used to fill RX ring out of bottom half context
+ */
+ struct work_struct rx_task;
+
+ /*
+ * Used in case RX Ring is empty, which can be caused when
+ * system does not have resources (skb's)
+ */
+ struct timer_list timeout;
+ long rx_task_busy __attribute__ ((aligned(SMP_CACHE_BYTES)));
+ unsigned rx_timer_flag;
+
+ u32 rx_int_coal;
+ u32 tx_int_coal;
+};
+
+/* ethernet.h API list */
+
+/* Port operation control routines */
+static void eth_port_init(struct mv64340_private *mp);
+static void eth_port_reset(unsigned int eth_port_num);
+static int eth_port_start(struct mv64340_private *mp);
+
+static void ethernet_set_config_reg(unsigned int eth_port_num,
+ unsigned int value);
+static unsigned int ethernet_get_config_reg(unsigned int eth_port_num);
+
+/* Port MAC address routines */
+static void eth_port_uc_addr_set(unsigned int eth_port_num,
+ unsigned char *p_addr);
+
+/* PHY and MIB routines */
+static int ethernet_phy_reset(unsigned int eth_port_num);
+
+static int eth_port_write_smi_reg(unsigned int eth_port_num,
+ unsigned int phy_reg,
+ unsigned int value);
+
+static int eth_port_read_smi_reg(unsigned int eth_port_num,
+ unsigned int phy_reg,
+ unsigned int *value);
+
+static void eth_clear_mib_counters(unsigned int eth_port_num);
+
+/* Port data flow control routines */
+static ETH_FUNC_RET_STATUS eth_port_send(struct mv64340_private *mp,
+ struct pkt_info * p_pkt_info);
+static ETH_FUNC_RET_STATUS eth_tx_return_desc(struct mv64340_private *mp,
+ struct pkt_info * p_pkt_info);
+static ETH_FUNC_RET_STATUS eth_port_receive(struct mv64340_private *mp,
+ struct pkt_info * p_pkt_info);
+static ETH_FUNC_RET_STATUS eth_rx_return_buff(struct mv64340_private *mp,
+ struct pkt_info * p_pkt_info);
+
+#endif /* __MV64340_ETH_H__ */
git://git.onelab.eu / linux-2.6.git / blobdiff