ucc_geth.h

linux 内核源代码

	u8 res2[0x1];
	u8 rxgstpack;		/* acknowledgement on GRACEFUL STOP RX command*/
	u32 rxrmonbaseptr;	/* base pointer to Rx RMON statistics counter */
	u8 res3[0x30 - 0x28];
	u32 intcoalescingptr;	/* Interrupt coalescing table pointer */
	u8 res4[0x36 - 0x34];
	u8 rstate;		/* rx internal state. High byte contains
				   function code */
	u8 res5[0x46 - 0x37];
	u16 mrblr;		/* max receive buffer length reg. */
	u32 rbdqptr;		/* base pointer to RxBD parameter table
				   description */
	u16 mflr;		/* max frame length reg. */
	u16 minflr;		/* min frame length reg. */
	u16 maxd1;		/* max dma1 length reg. */
	u16 maxd2;		/* max dma2 length reg. */
	u32 ecamptr;		/* external CAM address */
	u32 l2qt;		/* VLAN priority mapping table. */
	u32 l3qt[0x8];		/* IP priority mapping table. */
	u16 vlantype;		/* vlan type */
	u16 vlantci;		/* default vlan tci */
	u8 addressfiltering[64];	/* address filtering data structure */
	u32 exfGlobalParam;	/* base address for extended filtering global
				   parameters */
	u8 res6[0x100 - 0xC4];	/* Initialize to zero */
} __attribute__ ((packed));

#define GRACEFUL_STOP_ACKNOWLEDGE_RX            0x01

/* structure representing InitEnet command */
struct ucc_geth_init_pram {
	u8 resinit1;
	u8 resinit2;
	u8 resinit3;
	u8 resinit4;
	u16 resinit5;
	u8 res1[0x1];
	u8 largestexternallookupkeysize;
	u32 rgftgfrxglobal;
	u32 rxthread[ENET_INIT_PARAM_MAX_ENTRIES_RX];	/* rx threads */
	u8 res2[0x38 - 0x30];
	u32 txglobal;		/* tx global */
	u32 txthread[ENET_INIT_PARAM_MAX_ENTRIES_TX];	/* tx threads */
	u8 res3[0x1];
} __attribute__ ((packed));

#define ENET_INIT_PARAM_RGF_SHIFT               (32 - 4)
#define ENET_INIT_PARAM_TGF_SHIFT               (32 - 8)

#define ENET_INIT_PARAM_RISC_MASK               0x0000003f
#define ENET_INIT_PARAM_PTR_MASK                0x00ffffc0
#define ENET_INIT_PARAM_SNUM_MASK               0xff000000
#define ENET_INIT_PARAM_SNUM_SHIFT              24

#define ENET_INIT_PARAM_MAGIC_RES_INIT1         0x06
#define ENET_INIT_PARAM_MAGIC_RES_INIT2         0x30
#define ENET_INIT_PARAM_MAGIC_RES_INIT3         0xff
#define ENET_INIT_PARAM_MAGIC_RES_INIT4         0x00
#define ENET_INIT_PARAM_MAGIC_RES_INIT5         0x0400

/* structure representing 82xx Address Filtering Enet Address in PRAM */
struct ucc_geth_82xx_enet_address {
	u8 res1[0x2];
	u16 h;			/* address (MSB) */
	u16 m;			/* address */
	u16 l;			/* address (LSB) */
} __attribute__ ((packed));

/* structure representing 82xx Address Filtering PRAM */
struct ucc_geth_82xx_address_filtering_pram {
	u32 iaddr_h;		/* individual address filter, high */
	u32 iaddr_l;		/* individual address filter, low */
	u32 gaddr_h;		/* group address filter, high */
	u32 gaddr_l;		/* group address filter, low */
	struct ucc_geth_82xx_enet_address taddr;
	struct ucc_geth_82xx_enet_address paddr[NUM_OF_PADDRS];
	u8 res0[0x40 - 0x38];
} __attribute__ ((packed));

/* GETH Tx firmware statistics structure, used when calling
   UCC_GETH_GetStatistics. */
struct ucc_geth_tx_firmware_statistics {
	u32 sicoltx;		/* single collision */
	u32 mulcoltx;		/* multiple collision */
	u32 latecoltxfr;	/* late collision */
	u32 frabortduecol;	/* frames aborted due to transmit collision */
	u32 frlostinmactxer;	/* frames lost due to internal MAC error
				   transmission that are not counted on any
				   other counter */
	u32 carriersenseertx;	/* carrier sense error */
	u32 frtxok;		/* frames transmitted OK */
	u32 txfrexcessivedefer;	/* frames with defferal time greater than
				   specified threshold */
	u32 txpkts256;		/* total packets (including bad) between 256
				   and 511 octets */
	u32 txpkts512;		/* total packets (including bad) between 512
				   and 1023 octets */
	u32 txpkts1024;		/* total packets (including bad) between 1024
				   and 1518 octets */
	u32 txpktsjumbo;	/* total packets (including bad) between 1024
				   and MAXLength octets */
} __attribute__ ((packed));

/* GETH Rx firmware statistics structure, used when calling
   UCC_GETH_GetStatistics. */
struct ucc_geth_rx_firmware_statistics {
	u32 frrxfcser;		/* frames with crc error */
	u32 fraligner;		/* frames with alignment error */
	u32 inrangelenrxer;	/* in range length error */
	u32 outrangelenrxer;	/* out of range length error */
	u32 frtoolong;		/* frame too long */
	u32 runt;		/* runt */
	u32 verylongevent;	/* very long event */
	u32 symbolerror;	/* symbol error */
	u32 dropbsy;		/* drop because of BD not ready */
	u8 res0[0x8];
	u32 mismatchdrop;	/* drop because of MAC filtering (e.g. address
				   or type mismatch) */
	u32 underpkts;		/* total frames less than 64 octets */
	u32 pkts256;		/* total frames (including bad) between 256 and
				   511 octets */
	u32 pkts512;		/* total frames (including bad) between 512 and
				   1023 octets */
	u32 pkts1024;		/* total frames (including bad) between 1024
				   and 1518 octets */
	u32 pktsjumbo;		/* total frames (including bad) between 1024
				   and MAXLength octets */
	u32 frlossinmacer;	/* frames lost because of internal MAC error
				   that is not counted in any other counter */
	u32 pausefr;		/* pause frames */
	u8 res1[0x4];
	u32 removevlan;		/* total frames that had their VLAN tag removed
				 */
	u32 replacevlan;	/* total frames that had their VLAN tag
				   replaced */
	u32 insertvlan;		/* total frames that had their VLAN tag
				   inserted */
} __attribute__ ((packed));

/* GETH hardware statistics structure, used when calling
   UCC_GETH_GetStatistics. */
struct ucc_geth_hardware_statistics {
	u32 tx64;		/* Total number of frames (including bad
				   frames) transmitted that were exactly of the
				   minimal length (64 for un tagged, 68 for
				   tagged, or with length exactly equal to the
				   parameter MINLength */
	u32 tx127;		/* Total number of frames (including bad
				   frames) transmitted that were between
				   MINLength (Including FCS length==4) and 127
				   octets */
	u32 tx255;		/* Total number of frames (including bad
				   frames) transmitted that were between 128
				   (Including FCS length==4) and 255 octets */
	u32 rx64;		/* Total number of frames received including
				   bad frames that were exactly of the mninimal
				   length (64 bytes) */
	u32 rx127;		/* Total number of frames (including bad
				   frames) received that were between MINLength
				   (Including FCS length==4) and 127 octets */
	u32 rx255;		/* Total number of frames (including bad
				   frames) received that were between 128
				   (Including FCS length==4) and 255 octets */
	u32 txok;		/* Total number of octets residing in frames
				   that where involved in succesfull
				   transmission */
	u16 txcf;		/* Total number of PAUSE control frames
				   transmitted by this MAC */
	u32 tmca;		/* Total number of frames that were transmitted
				   succesfully with the group address bit set
				   that are not broadcast frames */
	u32 tbca;		/* Total number of frames transmitted
				   succesfully that had destination address
				   field equal to the broadcast address */
	u32 rxfok;		/* Total number of frames received OK */
	u32 rxbok;		/* Total number of octets received OK */
	u32 rbyt;		/* Total number of octets received including
				   octets in bad frames. Must be implemented in
				   HW because it includes octets in frames that
				   never even reach the UCC */
	u32 rmca;		/* Total number of frames that were received
				   succesfully with the group address bit set
				   that are not broadcast frames */
	u32 rbca;		/* Total number of frames received succesfully
				   that had destination address equal to the
				   broadcast address */
} __attribute__ ((packed));

/* UCC GETH Tx errors returned via TxConf callback */
#define TX_ERRORS_DEF      0x0200
#define TX_ERRORS_EXDEF    0x0100
#define TX_ERRORS_LC       0x0080
#define TX_ERRORS_RL       0x0040
#define TX_ERRORS_RC_MASK  0x003C
#define TX_ERRORS_RC_SHIFT 2
#define TX_ERRORS_UN       0x0002
#define TX_ERRORS_CSL      0x0001

/* UCC GETH Rx errors returned via RxStore callback */
#define RX_ERRORS_CMR      0x0200
#define RX_ERRORS_M        0x0100
#define RX_ERRORS_BC       0x0080
#define RX_ERRORS_MC       0x0040

/* Transmit BD. These are in addition to values defined in uccf. */
#define T_VID      0x003c0000	/* insert VLAN id index mask. */
#define T_DEF      (((u32) TX_ERRORS_DEF     ) << 16)
#define T_EXDEF    (((u32) TX_ERRORS_EXDEF   ) << 16)
#define T_LC       (((u32) TX_ERRORS_LC      ) << 16)
#define T_RL       (((u32) TX_ERRORS_RL      ) << 16)
#define T_RC_MASK  (((u32) TX_ERRORS_RC_MASK ) << 16)
#define T_UN       (((u32) TX_ERRORS_UN      ) << 16)
#define T_CSL      (((u32) TX_ERRORS_CSL     ) << 16)
#define T_ERRORS_REPORT  (T_DEF | T_EXDEF | T_LC | T_RL | T_RC_MASK \
		| T_UN | T_CSL)	/* transmit errors to report */

/* Receive BD. These are in addition to values defined in uccf. */
#define R_LG    0x00200000	/* Frame length violation.  */
#define R_NO    0x00100000	/* Non-octet aligned frame.  */
#define R_SH    0x00080000	/* Short frame.  */
#define R_CR    0x00040000	/* CRC error.  */
#define R_OV    0x00020000	/* Overrun.  */
#define R_IPCH  0x00010000	/* IP checksum check failed. */
#define R_CMR   (((u32) RX_ERRORS_CMR  ) << 16)
#define R_M     (((u32) RX_ERRORS_M    ) << 16)
#define R_BC    (((u32) RX_ERRORS_BC   ) << 16)
#define R_MC    (((u32) RX_ERRORS_MC   ) << 16)
#define R_ERRORS_REPORT (R_CMR | R_M | R_BC | R_MC)	/* receive errors to
							   report */
#define R_ERRORS_FATAL  (R_LG  | R_NO | R_SH | R_CR | \
		R_OV | R_IPCH)	/* receive errors to discard */

/* Alignments */
#define UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT	256
#define UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT       128
#define UCC_GETH_THREAD_RX_PRAM_ALIGNMENT       128
#define UCC_GETH_THREAD_TX_PRAM_ALIGNMENT       64
#define UCC_GETH_THREAD_DATA_ALIGNMENT          256	/* spec gives values
							   based on num of
							   threads, but always
							   using the maximum is
							   easier */
#define UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT	32
#define UCC_GETH_SCHEDULER_ALIGNMENT		4	/* This is a guess */
#define UCC_GETH_TX_STATISTICS_ALIGNMENT	4	/* This is a guess */
#define UCC_GETH_RX_STATISTICS_ALIGNMENT	4	/* This is a guess */
#define UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT	64
#define UCC_GETH_RX_BD_QUEUES_ALIGNMENT		8	/* This is a guess */
#define UCC_GETH_RX_PREFETCHED_BDS_ALIGNMENT	128	/* This is a guess */
#define UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT 4	/* This
									   is a
									   guess
									 */
#define UCC_GETH_RX_BD_RING_ALIGNMENT		32
#define UCC_GETH_TX_BD_RING_ALIGNMENT		32
#define UCC_GETH_MRBLR_ALIGNMENT		128
#define UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT	4
#define UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT	32
#define UCC_GETH_RX_DATA_BUF_ALIGNMENT		64

#define UCC_GETH_TAD_EF                         0x80
#define UCC_GETH_TAD_V                          0x40
#define UCC_GETH_TAD_REJ                        0x20
#define UCC_GETH_TAD_VTAG_OP_RIGHT_SHIFT        2
#define UCC_GETH_TAD_VTAG_OP_SHIFT              6
#define UCC_GETH_TAD_V_NON_VTAG_OP              0x20
#define UCC_GETH_TAD_RQOS_SHIFT                 0
#define UCC_GETH_TAD_V_PRIORITY_SHIFT           5
#define UCC_GETH_TAD_CFI                        0x10

#define UCC_GETH_VLAN_PRIORITY_MAX              8
#define UCC_GETH_IP_PRIORITY_MAX                64
#define UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX        8
#define UCC_GETH_RX_BD_RING_SIZE_MIN            8
#define UCC_GETH_TX_BD_RING_SIZE_MIN            2
#define UCC_GETH_BD_RING_SIZE_MAX		0xffff

#define UCC_GETH_SIZE_OF_BD                     QE_SIZEOF_BD

/* Driver definitions */
#define TX_BD_RING_LEN                          0x10
#define RX_BD_RING_LEN                          0x10
#define UCC_GETH_DEV_WEIGHT                     TX_BD_RING_LEN

#define TX_RING_MOD_MASK(size)                  (size-1)
#define RX_RING_MOD_MASK(size)                  (size-1)

#define ENET_NUM_OCTETS_PER_ADDRESS             6
#define ENET_GROUP_ADDR                         0x01	/* Group address mask
							   for ethernet
							   addresses */

#define TX_TIMEOUT                              (1*HZ)
#define SKB_ALLOC_TIMEOUT                       100000
#define PHY_INIT_TIMEOUT                        100000
#define PHY_CHANGE_TIME                         2

/* Fast Ethernet (10/100 Mbps) */
#define UCC_GETH_URFS_INIT                      512	/* Rx virtual FIFO size
							 */
#define UCC_GETH_URFET_INIT                     256	/* 1/2 urfs */
#define UCC_GETH_URFSET_INIT                    384	/* 3/4 urfs */
#define UCC_GETH_UTFS_INIT                      512	/* Tx virtual FIFO size
							 */
#define UCC_GETH_UTFET_INIT                     256	/* 1/2 utfs */
#define UCC_GETH_UTFTT_INIT                     128
/* Gigabit Ethernet (1000 Mbps) */
#define UCC_GETH_URFS_GIGA_INIT                 4096/*2048*/	/* Rx virtual
								   FIFO size */
#define UCC_GETH_URFET_GIGA_INIT                2048/*1024*/	/* 1/2 urfs */
#define UCC_GETH_URFSET_GIGA_INIT               3072/*1536*/	/* 3/4 urfs */
#define UCC_GETH_UTFS_GIGA_INIT                 8192/*2048*/	/* Tx virtual
								   FIFO size */
#define UCC_GETH_UTFET_GIGA_INIT                4096/*1024*/	/* 1/2 utfs */