ucc_geth.h

linux 内核源代码

#define UCC_GETH_UTFTT_GIGA_INIT                0x400/*0x40*/	/* */

#define UCC_GETH_REMODER_INIT                   0	/* bits that must be
							   set */
#define UCC_GETH_TEMODER_INIT                   0xC000	/* bits that must */
#define UCC_GETH_UPSMR_INIT                     (UPSMR_RES1)	/* Start value
								   for this
								   register */
#define UCC_GETH_MACCFG1_INIT                   0
#define UCC_GETH_MACCFG2_INIT                   (MACCFG2_RESERVED_1)

/* Ethernet Address Type. */
enum enet_addr_type {
	ENET_ADDR_TYPE_INDIVIDUAL,
	ENET_ADDR_TYPE_GROUP,
	ENET_ADDR_TYPE_BROADCAST
};

/* UCC GETH 82xx Ethernet Address Recognition Location */
enum ucc_geth_enet_address_recognition_location {
	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_STATION_ADDRESS,/* station
								      address */
	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR_FIRST,	/* additional
								   station
								   address
								   paddr1 */
	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR2,	/* additional
								   station
								   address
								   paddr2 */
	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR3,	/* additional
								   station
								   address
								   paddr3 */
	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR_LAST,	/* additional
								   station
								   address
								   paddr4 */
	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH,	/* group hash */
	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH /* individual
								      hash */
};

/* UCC GETH vlan operation tagged */
enum ucc_geth_vlan_operation_tagged {
	UCC_GETH_VLAN_OPERATION_TAGGED_NOP = 0x0,	/* Tagged - nop */
	UCC_GETH_VLAN_OPERATION_TAGGED_REPLACE_VID_PORTION_OF_Q_TAG
		= 0x1,	/* Tagged - replace vid portion of q tag */
	UCC_GETH_VLAN_OPERATION_TAGGED_IF_VID0_REPLACE_VID_WITH_DEFAULT_VALUE
		= 0x2,	/* Tagged - if vid0 replace vid with default value  */
	UCC_GETH_VLAN_OPERATION_TAGGED_EXTRACT_Q_TAG_FROM_FRAME
		= 0x3	/* Tagged - extract q tag from frame */
};

/* UCC GETH vlan operation non-tagged */
enum ucc_geth_vlan_operation_non_tagged {
	UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP = 0x0,	/* Non tagged - nop */
	UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT = 0x1	/* Non tagged -
								   q tag insert
								 */
};

/* UCC GETH Rx Quality of Service Mode */
enum ucc_geth_qos_mode {
	UCC_GETH_QOS_MODE_DEFAULT = 0x0,	/* default queue */
	UCC_GETH_QOS_MODE_QUEUE_NUM_FROM_L2_CRITERIA = 0x1,	/* queue
								   determined
								   by L2
								   criteria */
	UCC_GETH_QOS_MODE_QUEUE_NUM_FROM_L3_CRITERIA = 0x2	/* queue
								   determined
								   by L3
								   criteria */
};

/* UCC GETH Statistics Gathering Mode - These are bit flags, 'or' them together
   for combined functionality */
enum ucc_geth_statistics_gathering_mode {
	UCC_GETH_STATISTICS_GATHERING_MODE_NONE = 0x00000000,	/* No
								   statistics
								   gathering */
	UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE = 0x00000001,/* Enable
								    hardware
								    statistics
								    gathering
								  */
	UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX = 0x00000004,/*Enable
								      firmware
								      tx
								      statistics
								      gathering
								     */
	UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX = 0x00000008/* Enable
								      firmware
								      rx
								      statistics
								      gathering
								    */
};

/* UCC GETH Pad and CRC Mode - Note, Padding without CRC is not possible */
enum ucc_geth_maccfg2_pad_and_crc_mode {
	UCC_GETH_PAD_AND_CRC_MODE_NONE
		= MACCFG2_PAD_AND_CRC_MODE_NONE,	/* Neither Padding
							   short frames
							   nor CRC */
	UCC_GETH_PAD_AND_CRC_MODE_CRC_ONLY
		= MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY,	/* Append
							   CRC only */
	UCC_GETH_PAD_AND_CRC_MODE_PAD_AND_CRC =
	    MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC
};

/* UCC GETH upsmr Flow Control Mode */
enum ucc_geth_flow_control_mode {
	UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE = 0x00000000,	/* No automatic
								   flow control
								 */
	UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_PAUSE_WHEN_EMERGENCY
		= 0x00004000	/* Send pause frame when RxFIFO reaches its
				   emergency threshold */
};

/* UCC GETH number of threads */
enum ucc_geth_num_of_threads {
	UCC_GETH_NUM_OF_THREADS_1 = 0x1,	/* 1 */
	UCC_GETH_NUM_OF_THREADS_2 = 0x2,	/* 2 */
	UCC_GETH_NUM_OF_THREADS_4 = 0x0,	/* 4 */
	UCC_GETH_NUM_OF_THREADS_6 = 0x3,	/* 6 */
	UCC_GETH_NUM_OF_THREADS_8 = 0x4	/* 8 */
};

/* UCC GETH number of station addresses */
enum ucc_geth_num_of_station_addresses {
	UCC_GETH_NUM_OF_STATION_ADDRESSES_1,	/* 1 */
	UCC_GETH_NUM_OF_STATION_ADDRESSES_5	/* 5 */
};

/* UCC GETH 82xx Ethernet Address Container */
struct enet_addr_container {
	u8 address[ENET_NUM_OCTETS_PER_ADDRESS];	/* ethernet address */
	enum ucc_geth_enet_address_recognition_location location;	/* location in
								   82xx address
								   recognition
								   hardware */
	struct list_head node;
};

#define ENET_ADDR_CONT_ENTRY(ptr) list_entry(ptr, struct enet_addr_container, node)

/* UCC GETH Termination Action Descriptor (TAD) structure. */
struct ucc_geth_tad_params {
	int rx_non_dynamic_extended_features_mode;
	int reject_frame;
	enum ucc_geth_vlan_operation_tagged vtag_op;
	enum ucc_geth_vlan_operation_non_tagged vnontag_op;
	enum ucc_geth_qos_mode rqos;
	u8 vpri;
	u16 vid;
};

/* GETH protocol initialization structure */
struct ucc_geth_info {
	struct ucc_fast_info uf_info;
	u8 numQueuesTx;
	u8 numQueuesRx;
	int ipCheckSumCheck;
	int ipCheckSumGenerate;
	int rxExtendedFiltering;
	u32 extendedFilteringChainPointer;
	u16 typeorlen;
	int dynamicMaxFrameLength;
	int dynamicMinFrameLength;
	u8 nonBackToBackIfgPart1;
	u8 nonBackToBackIfgPart2;
	u8 miminumInterFrameGapEnforcement;
	u8 backToBackInterFrameGap;
	int ipAddressAlignment;
	int lengthCheckRx;
	u32 mblinterval;
	u16 nortsrbytetime;
	u8 fracsiz;
	u8 strictpriorityq;
	u8 txasap;
	u8 extrabw;
	int miiPreambleSupress;
	u8 altBebTruncation;
	int altBeb;
	int backPressureNoBackoff;
	int noBackoff;
	int excessDefer;
	u8 maxRetransmission;
	u8 collisionWindow;
	int pro;
	int cap;
	int rsh;
	int rlpb;
	int cam;
	int bro;
	int ecm;
	int receiveFlowControl;
	int transmitFlowControl;
	u8 maxGroupAddrInHash;
	u8 maxIndAddrInHash;
	u8 prel;
	u16 maxFrameLength;
	u16 minFrameLength;
	u16 maxD1Length;
	u16 maxD2Length;
	u16 vlantype;
	u16 vlantci;
	u32 ecamptr;
	u32 eventRegMask;
	u16 pausePeriod;
	u16 extensionField;
	u8 phy_address;
	u32 mdio_bus;
	u8 weightfactor[NUM_TX_QUEUES];
	u8 interruptcoalescingmaxvalue[NUM_RX_QUEUES];
	u8 l2qt[UCC_GETH_VLAN_PRIORITY_MAX];
	u8 l3qt[UCC_GETH_IP_PRIORITY_MAX];
	u32 vtagtable[UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX];
	u8 iphoffset[TX_IP_OFFSET_ENTRY_MAX];
	u16 bdRingLenTx[NUM_TX_QUEUES];
	u16 bdRingLenRx[NUM_RX_QUEUES];
	enum ucc_geth_num_of_station_addresses numStationAddresses;
	enum qe_fltr_largest_external_tbl_lookup_key_size
	    largestexternallookupkeysize;
	enum ucc_geth_statistics_gathering_mode statisticsMode;
	enum ucc_geth_vlan_operation_tagged vlanOperationTagged;
	enum ucc_geth_vlan_operation_non_tagged vlanOperationNonTagged;
	enum ucc_geth_qos_mode rxQoSMode;
	enum ucc_geth_flow_control_mode aufc;
	enum ucc_geth_maccfg2_pad_and_crc_mode padAndCrc;
	enum ucc_geth_num_of_threads numThreadsTx;
	enum ucc_geth_num_of_threads numThreadsRx;
	enum qe_risc_allocation riscTx;
	enum qe_risc_allocation riscRx;
};

/* structure representing UCC GETH */
struct ucc_geth_private {
	struct ucc_geth_info *ug_info;
	struct ucc_fast_private *uccf;
	struct net_device *dev;
	struct napi_struct napi;
	struct ucc_geth *ug_regs;
	struct ucc_geth_init_pram *p_init_enet_param_shadow;
	struct ucc_geth_exf_global_pram *p_exf_glbl_param;
	u32 exf_glbl_param_offset;
	struct ucc_geth_rx_global_pram *p_rx_glbl_pram;
	u32 rx_glbl_pram_offset;
	struct ucc_geth_tx_global_pram *p_tx_glbl_pram;
	u32 tx_glbl_pram_offset;
	struct ucc_geth_send_queue_mem_region *p_send_q_mem_reg;
	u32 send_q_mem_reg_offset;
	struct ucc_geth_thread_data_tx *p_thread_data_tx;
	u32 thread_dat_tx_offset;
	struct ucc_geth_thread_data_rx *p_thread_data_rx;
	u32 thread_dat_rx_offset;
	struct ucc_geth_scheduler *p_scheduler;
	u32 scheduler_offset;
	struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
	u32 tx_fw_statistics_pram_offset;
	struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
	u32 rx_fw_statistics_pram_offset;
	struct ucc_geth_rx_interrupt_coalescing_table *p_rx_irq_coalescing_tbl;
	u32 rx_irq_coalescing_tbl_offset;
	struct ucc_geth_rx_bd_queues_entry *p_rx_bd_qs_tbl;
	u32 rx_bd_qs_tbl_offset;
	u8 *p_tx_bd_ring[NUM_TX_QUEUES];
	u32 tx_bd_ring_offset[NUM_TX_QUEUES];
	u8 *p_rx_bd_ring[NUM_RX_QUEUES];
	u32 rx_bd_ring_offset[NUM_RX_QUEUES];
	u8 *confBd[NUM_TX_QUEUES];
	u8 *txBd[NUM_TX_QUEUES];
	u8 *rxBd[NUM_RX_QUEUES];
	int badFrame[NUM_RX_QUEUES];
	u16 cpucount[NUM_TX_QUEUES];
	volatile u16 *p_cpucount[NUM_TX_QUEUES];
	int indAddrRegUsed[NUM_OF_PADDRS];
	u8 paddr[NUM_OF_PADDRS][ENET_NUM_OCTETS_PER_ADDRESS];	/* ethernet address */
	u8 numGroupAddrInHash;
	u8 numIndAddrInHash;
	u8 numIndAddrInReg;
	int rx_extended_features;
	int rx_non_dynamic_extended_features;
	struct list_head conf_skbs;
	struct list_head group_hash_q;
	struct list_head ind_hash_q;
	u32 saved_uccm;
	spinlock_t lock;
	/* pointers to arrays of skbuffs for tx and rx */
	struct sk_buff **tx_skbuff[NUM_TX_QUEUES];
	struct sk_buff **rx_skbuff[NUM_RX_QUEUES];
	/* indices pointing to the next free sbk in skb arrays */
	u16 skb_curtx[NUM_TX_QUEUES];
	u16 skb_currx[NUM_RX_QUEUES];
	/* index of the first skb which hasn't been transmitted yet. */
	u16 skb_dirtytx[NUM_TX_QUEUES];

	struct ugeth_mii_info *mii_info;
	struct phy_device *phydev;
	phy_interface_t phy_interface;
	int max_speed;
	uint32_t msg_enable;
	int oldspeed;
	int oldduplex;
	int oldlink;
};

#endif				/* __UCC_GETH_H__ */