| #ifndef __MV64340_ETH_H__ |
| #define __MV64340_ETH_H__ |
| |
| #include <linux/config.h> |
| #include <linux/version.h> |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/config.h> |
| #include <linux/spinlock.h> |
| |
| #include <asm/mv64340.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 1 |
| #define MV64340_NAPI 1 |
| #define MV64340_TX_FAST_REFILL 1 |
| #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 |
| |
| /* Private data structure used for ethernet device */ |
| struct mv64340_eth_priv { |
| unsigned int port_num; |
| 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 tq_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; |
| }; |
| |
| |
| /************************************************************************* |
| ************************************************************************** |
| ************************************************************************** |
| * 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. |
| * |
| *******************************************************************************/ |
| |
| typedef enum _bool { false, true } bool; |
| |
| /* defines */ |
| |
| /* 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_port { |
| ETH_0 = 0, |
| ETH_1 = 1, |
| ETH_2 = 2 |
| } ETH_PORT; |
| |
| 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) |
| typedef 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 */ |
| } ETH_RX_DESC; |
| |
| typedef 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 */ |
| } ETH_TX_DESC; |
| |
| #elif defined(__LITTLE_ENDIAN) |
| typedef 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 */ |
| } ETH_RX_DESC; |
| |
| typedef 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 */ |
| } ETH_TX_DESC; |
| #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. */ |
| typedef 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 */ |
| unsigned int buf_ptr; /* Descriptor buffer pointer */ |
| struct sk_buff* return_info; /* User resource return information */ |
| } PKT_INFO; |
| |
| |
| /* Ethernet port specific infomation */ |
| |
| typedef struct _eth_port_ctrl { |
| ETH_PORT 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 */ |
| |
| /* User scratch pad for user specific data structures */ |
| void* port_private; |
| |
| bool rx_resource_err; /* Rx ring resource error flag */ |
| bool 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 |
| |
| /* Tx/Rx rings size and base variables fields. For driver use */ |
| volatile ETH_RX_DESC *p_rx_desc_area; |
| unsigned int rx_desc_area_size; |
| struct sk_buff* rx_skb[MV64340_RX_QUEUE_SIZE]; |
| |
| volatile ETH_TX_DESC *p_tx_desc_area; |
| unsigned int tx_desc_area_size; |
| struct sk_buff* tx_skb[MV64340_TX_QUEUE_SIZE]; |
| struct tq_struct tx_timeout_task; |
| } ETH_PORT_INFO; |
| |
| |
| /* ethernet.h API list */ |
| |
| /* Port operation control routines */ |
| static void eth_port_init(ETH_PORT_INFO * p_eth_port_ctrl); |
| static void eth_port_reset(ETH_PORT eth_port_num); |
| static bool eth_port_start(ETH_PORT_INFO * p_eth_port_ctrl); |
| |
| static void ethernet_set_config_reg(ETH_PORT eth_port_num, |
| unsigned int value); |
| static unsigned int ethernet_get_config_reg(ETH_PORT eth_port_num); |
| |
| /* Interrupt Coalesting functions */ |
| static unsigned int eth_port_set_rx_coal(ETH_PORT, unsigned int, |
| unsigned int); |
| static unsigned int eth_port_set_tx_coal(ETH_PORT, unsigned int, |
| unsigned int); |
| |
| /* Port MAC address routines */ |
| static void eth_port_uc_addr_set(ETH_PORT eth_port_num, |
| unsigned char *p_addr); |
| |
| /* PHY and MIB routines */ |
| static bool ethernet_phy_reset(ETH_PORT eth_port_num); |
| |
| static bool eth_port_write_smi_reg(ETH_PORT eth_port_num, |
| unsigned int phy_reg, |
| unsigned int value); |
| |
| static bool eth_port_read_smi_reg(ETH_PORT eth_port_num, |
| unsigned int phy_reg, |
| unsigned int *value); |
| |
| static void eth_clear_mib_counters(ETH_PORT eth_port_num); |
| |
| /* Port data flow control routines */ |
| static ETH_FUNC_RET_STATUS eth_port_send(ETH_PORT_INFO * p_eth_port_ctrl, |
| PKT_INFO * p_pkt_info); |
| static ETH_FUNC_RET_STATUS eth_tx_return_desc(ETH_PORT_INFO * |
| p_eth_port_ctrl, |
| PKT_INFO * p_pkt_info); |
| static ETH_FUNC_RET_STATUS eth_port_receive(ETH_PORT_INFO * |
| p_eth_port_ctrl, |
| PKT_INFO * p_pkt_info); |
| static ETH_FUNC_RET_STATUS eth_rx_return_buff(ETH_PORT_INFO * |
| p_eth_port_ctrl, |
| PKT_INFO * p_pkt_info); |
| |
| |
| static bool ether_init_tx_desc_ring(ETH_PORT_INFO * p_eth_port_ctrl, |
| int tx_desc_num, |
| unsigned long tx_desc_base_addr); |
| |
| static bool ether_init_rx_desc_ring(ETH_PORT_INFO * p_eth_port_ctrl, |
| int rx_desc_num, |
| int rx_buff_size, |
| unsigned long rx_desc_base_addr, |
| unsigned long rx_buff_base_addr); |
| |
| #endif /* MV64340_ETH_ */ |
