| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: sunqe.h,v 1.13 2000/02/09 11:15:42 davem Exp $ |
| 2 | * sunqe.h: Definitions for the Sun QuadEthernet driver. |
| 3 | * |
| 4 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) |
| 5 | */ |
| 6 | |
| 7 | #ifndef _SUNQE_H |
| 8 | #define _SUNQE_H |
| 9 | |
| 10 | /* QEC global registers. */ |
| 11 | #define GLOB_CTRL 0x00UL /* Control */ |
| 12 | #define GLOB_STAT 0x04UL /* Status */ |
| 13 | #define GLOB_PSIZE 0x08UL /* Packet Size */ |
| 14 | #define GLOB_MSIZE 0x0cUL /* Local-memory Size */ |
| 15 | #define GLOB_RSIZE 0x10UL /* Receive partition size */ |
| 16 | #define GLOB_TSIZE 0x14UL /* Transmit partition size */ |
| 17 | #define GLOB_REG_SIZE 0x18UL |
| 18 | |
| 19 | #define GLOB_CTRL_MMODE 0x40000000 /* MACE qec mode */ |
| 20 | #define GLOB_CTRL_BMODE 0x10000000 /* BigMAC qec mode */ |
| 21 | #define GLOB_CTRL_EPAR 0x00000020 /* Enable parity */ |
| 22 | #define GLOB_CTRL_ACNTRL 0x00000018 /* SBUS arbitration control */ |
| 23 | #define GLOB_CTRL_B64 0x00000004 /* 64 byte dvma bursts */ |
| 24 | #define GLOB_CTRL_B32 0x00000002 /* 32 byte dvma bursts */ |
| 25 | #define GLOB_CTRL_B16 0x00000000 /* 16 byte dvma bursts */ |
| 26 | #define GLOB_CTRL_RESET 0x00000001 /* Reset the QEC */ |
| 27 | |
| 28 | #define GLOB_STAT_TX 0x00000008 /* BigMAC Transmit IRQ */ |
| 29 | #define GLOB_STAT_RX 0x00000004 /* BigMAC Receive IRQ */ |
| 30 | #define GLOB_STAT_BM 0x00000002 /* BigMAC Global IRQ */ |
| 31 | #define GLOB_STAT_ER 0x00000001 /* BigMAC Error IRQ */ |
| 32 | |
| 33 | #define GLOB_PSIZE_2048 0x00 /* 2k packet size */ |
| 34 | #define GLOB_PSIZE_4096 0x01 /* 4k packet size */ |
| 35 | #define GLOB_PSIZE_6144 0x10 /* 6k packet size */ |
| 36 | #define GLOB_PSIZE_8192 0x11 /* 8k packet size */ |
| 37 | |
| 38 | /* In MACE mode, there are four qe channels. Each channel has it's own |
| 39 | * status bits in the QEC status register. This macro picks out the |
| 40 | * ones you want. |
| 41 | */ |
| 42 | #define GLOB_STAT_PER_QE(status, channel) (((status) >> ((channel) * 4)) & 0xf) |
| 43 | |
| 44 | /* The following registers are for per-qe channel information/status. */ |
| 45 | #define CREG_CTRL 0x00UL /* Control */ |
| 46 | #define CREG_STAT 0x04UL /* Status */ |
| 47 | #define CREG_RXDS 0x08UL /* RX descriptor ring ptr */ |
| 48 | #define CREG_TXDS 0x0cUL /* TX descriptor ring ptr */ |
| 49 | #define CREG_RIMASK 0x10UL /* RX Interrupt Mask */ |
| 50 | #define CREG_TIMASK 0x14UL /* TX Interrupt Mask */ |
| 51 | #define CREG_QMASK 0x18UL /* QEC Error Interrupt Mask */ |
| 52 | #define CREG_MMASK 0x1cUL /* MACE Error Interrupt Mask */ |
| 53 | #define CREG_RXWBUFPTR 0x20UL /* Local memory rx write ptr */ |
| 54 | #define CREG_RXRBUFPTR 0x24UL /* Local memory rx read ptr */ |
| 55 | #define CREG_TXWBUFPTR 0x28UL /* Local memory tx write ptr */ |
| 56 | #define CREG_TXRBUFPTR 0x2cUL /* Local memory tx read ptr */ |
| 57 | #define CREG_CCNT 0x30UL /* Collision Counter */ |
| 58 | #define CREG_PIPG 0x34UL /* Inter-Frame Gap */ |
| 59 | #define CREG_REG_SIZE 0x38UL |
| 60 | |
| 61 | #define CREG_CTRL_RXOFF 0x00000004 /* Disable this qe's receiver*/ |
| 62 | #define CREG_CTRL_RESET 0x00000002 /* Reset this qe channel */ |
| 63 | #define CREG_CTRL_TWAKEUP 0x00000001 /* Transmitter Wakeup, 'go'. */ |
| 64 | |
| 65 | #define CREG_STAT_EDEFER 0x10000000 /* Excessive Defers */ |
| 66 | #define CREG_STAT_CLOSS 0x08000000 /* Carrier Loss */ |
| 67 | #define CREG_STAT_ERETRIES 0x04000000 /* More than 16 retries */ |
| 68 | #define CREG_STAT_LCOLL 0x02000000 /* Late TX Collision */ |
| 69 | #define CREG_STAT_FUFLOW 0x01000000 /* FIFO Underflow */ |
| 70 | #define CREG_STAT_JERROR 0x00800000 /* Jabber Error */ |
| 71 | #define CREG_STAT_BERROR 0x00400000 /* Babble Error */ |
| 72 | #define CREG_STAT_TXIRQ 0x00200000 /* Transmit Interrupt */ |
| 73 | #define CREG_STAT_CCOFLOW 0x00100000 /* TX Coll-counter Overflow */ |
| 74 | #define CREG_STAT_TXDERROR 0x00080000 /* TX Descriptor is bogus */ |
| 75 | #define CREG_STAT_TXLERR 0x00040000 /* Late Transmit Error */ |
| 76 | #define CREG_STAT_TXPERR 0x00020000 /* Transmit Parity Error */ |
| 77 | #define CREG_STAT_TXSERR 0x00010000 /* Transmit SBUS error ack */ |
| 78 | #define CREG_STAT_RCCOFLOW 0x00001000 /* RX Coll-counter Overflow */ |
| 79 | #define CREG_STAT_RUOFLOW 0x00000800 /* Runt Counter Overflow */ |
| 80 | #define CREG_STAT_MCOFLOW 0x00000400 /* Missed Counter Overflow */ |
| 81 | #define CREG_STAT_RXFOFLOW 0x00000200 /* RX FIFO Overflow */ |
| 82 | #define CREG_STAT_RLCOLL 0x00000100 /* RX Late Collision */ |
| 83 | #define CREG_STAT_FCOFLOW 0x00000080 /* Frame Counter Overflow */ |
| 84 | #define CREG_STAT_CECOFLOW 0x00000040 /* CRC Error-counter Overflow*/ |
| 85 | #define CREG_STAT_RXIRQ 0x00000020 /* Receive Interrupt */ |
| 86 | #define CREG_STAT_RXDROP 0x00000010 /* Dropped a RX'd packet */ |
| 87 | #define CREG_STAT_RXSMALL 0x00000008 /* Receive buffer too small */ |
| 88 | #define CREG_STAT_RXLERR 0x00000004 /* Receive Late Error */ |
| 89 | #define CREG_STAT_RXPERR 0x00000002 /* Receive Parity Error */ |
| 90 | #define CREG_STAT_RXSERR 0x00000001 /* Receive SBUS Error ACK */ |
| 91 | |
| 92 | #define CREG_STAT_ERRORS (CREG_STAT_EDEFER|CREG_STAT_CLOSS|CREG_STAT_ERETRIES| \ |
| 93 | CREG_STAT_LCOLL|CREG_STAT_FUFLOW|CREG_STAT_JERROR| \ |
| 94 | CREG_STAT_BERROR|CREG_STAT_CCOFLOW|CREG_STAT_TXDERROR| \ |
| 95 | CREG_STAT_TXLERR|CREG_STAT_TXPERR|CREG_STAT_TXSERR| \ |
| 96 | CREG_STAT_RCCOFLOW|CREG_STAT_RUOFLOW|CREG_STAT_MCOFLOW| \ |
| 97 | CREG_STAT_RXFOFLOW|CREG_STAT_RLCOLL|CREG_STAT_FCOFLOW| \ |
| 98 | CREG_STAT_CECOFLOW|CREG_STAT_RXDROP|CREG_STAT_RXSMALL| \ |
| 99 | CREG_STAT_RXLERR|CREG_STAT_RXPERR|CREG_STAT_RXSERR) |
| 100 | |
| 101 | #define CREG_QMASK_COFLOW 0x00100000 /* CollCntr overflow */ |
| 102 | #define CREG_QMASK_TXDERROR 0x00080000 /* TXD error */ |
| 103 | #define CREG_QMASK_TXLERR 0x00040000 /* TX late error */ |
| 104 | #define CREG_QMASK_TXPERR 0x00020000 /* TX parity error */ |
| 105 | #define CREG_QMASK_TXSERR 0x00010000 /* TX sbus error ack */ |
| 106 | #define CREG_QMASK_RXDROP 0x00000010 /* RX drop */ |
| 107 | #define CREG_QMASK_RXBERROR 0x00000008 /* RX buffer error */ |
| 108 | #define CREG_QMASK_RXLEERR 0x00000004 /* RX late error */ |
| 109 | #define CREG_QMASK_RXPERR 0x00000002 /* RX parity error */ |
| 110 | #define CREG_QMASK_RXSERR 0x00000001 /* RX sbus error ack */ |
| 111 | |
| 112 | #define CREG_MMASK_EDEFER 0x10000000 /* Excess defer */ |
| 113 | #define CREG_MMASK_CLOSS 0x08000000 /* Carrier loss */ |
| 114 | #define CREG_MMASK_ERETRY 0x04000000 /* Excess retry */ |
| 115 | #define CREG_MMASK_LCOLL 0x02000000 /* Late collision error */ |
| 116 | #define CREG_MMASK_UFLOW 0x01000000 /* Underflow */ |
| 117 | #define CREG_MMASK_JABBER 0x00800000 /* Jabber error */ |
| 118 | #define CREG_MMASK_BABBLE 0x00400000 /* Babble error */ |
| 119 | #define CREG_MMASK_OFLOW 0x00000800 /* Overflow */ |
| 120 | #define CREG_MMASK_RXCOLL 0x00000400 /* RX Coll-Cntr overflow */ |
| 121 | #define CREG_MMASK_RPKT 0x00000200 /* Runt pkt overflow */ |
| 122 | #define CREG_MMASK_MPKT 0x00000100 /* Missed pkt overflow */ |
| 123 | |
| 124 | #define CREG_PIPG_TENAB 0x00000020 /* Enable Throttle */ |
| 125 | #define CREG_PIPG_MMODE 0x00000010 /* Manual Mode */ |
| 126 | #define CREG_PIPG_WMASK 0x0000000f /* SBUS Wait Mask */ |
| 127 | |
| 128 | /* Per-channel AMD 79C940 MACE registers. */ |
| 129 | #define MREGS_RXFIFO 0x00UL /* Receive FIFO */ |
| 130 | #define MREGS_TXFIFO 0x01UL /* Transmit FIFO */ |
| 131 | #define MREGS_TXFCNTL 0x02UL /* Transmit Frame Control */ |
| 132 | #define MREGS_TXFSTAT 0x03UL /* Transmit Frame Status */ |
| 133 | #define MREGS_TXRCNT 0x04UL /* Transmit Retry Count */ |
| 134 | #define MREGS_RXFCNTL 0x05UL /* Receive Frame Control */ |
| 135 | #define MREGS_RXFSTAT 0x06UL /* Receive Frame Status */ |
| 136 | #define MREGS_FFCNT 0x07UL /* FIFO Frame Count */ |
| 137 | #define MREGS_IREG 0x08UL /* Interrupt Register */ |
| 138 | #define MREGS_IMASK 0x09UL /* Interrupt Mask */ |
| 139 | #define MREGS_POLL 0x0aUL /* POLL Register */ |
| 140 | #define MREGS_BCONFIG 0x0bUL /* BIU Config */ |
| 141 | #define MREGS_FCONFIG 0x0cUL /* FIFO Config */ |
| 142 | #define MREGS_MCONFIG 0x0dUL /* MAC Config */ |
| 143 | #define MREGS_PLSCONFIG 0x0eUL /* PLS Config */ |
| 144 | #define MREGS_PHYCONFIG 0x0fUL /* PHY Config */ |
| 145 | #define MREGS_CHIPID1 0x10UL /* Chip-ID, low bits */ |
| 146 | #define MREGS_CHIPID2 0x11UL /* Chip-ID, high bits */ |
| 147 | #define MREGS_IACONFIG 0x12UL /* Internal Address Config */ |
| 148 | /* 0x13UL, reserved */ |
| 149 | #define MREGS_FILTER 0x14UL /* Logical Address Filter */ |
| 150 | #define MREGS_ETHADDR 0x15UL /* Our Ethernet Address */ |
| 151 | /* 0x16UL, reserved */ |
| 152 | /* 0x17UL, reserved */ |
| 153 | #define MREGS_MPCNT 0x18UL /* Missed Packet Count */ |
| 154 | /* 0x19UL, reserved */ |
| 155 | #define MREGS_RPCNT 0x1aUL /* Runt Packet Count */ |
| 156 | #define MREGS_RCCNT 0x1bUL /* RX Collision Count */ |
| 157 | /* 0x1cUL, reserved */ |
| 158 | #define MREGS_UTEST 0x1dUL /* User Test */ |
| 159 | #define MREGS_RTEST1 0x1eUL /* Reserved Test 1 */ |
| 160 | #define MREGS_RTEST2 0x1fUL /* Reserved Test 2 */ |
| 161 | #define MREGS_REG_SIZE 0x20UL |
| 162 | |
| 163 | #define MREGS_TXFCNTL_DRETRY 0x80 /* Retry disable */ |
| 164 | #define MREGS_TXFCNTL_DFCS 0x08 /* Disable TX FCS */ |
| 165 | #define MREGS_TXFCNTL_AUTOPAD 0x01 /* TX auto pad */ |
| 166 | |
| 167 | #define MREGS_TXFSTAT_VALID 0x80 /* TX valid */ |
| 168 | #define MREGS_TXFSTAT_UNDERFLOW 0x40 /* TX underflow */ |
| 169 | #define MREGS_TXFSTAT_LCOLL 0x20 /* TX late collision */ |
| 170 | #define MREGS_TXFSTAT_MRETRY 0x10 /* TX > 1 retries */ |
| 171 | #define MREGS_TXFSTAT_ORETRY 0x08 /* TX 1 retry */ |
| 172 | #define MREGS_TXFSTAT_PDEFER 0x04 /* TX pkt deferred */ |
| 173 | #define MREGS_TXFSTAT_CLOSS 0x02 /* TX carrier lost */ |
| 174 | #define MREGS_TXFSTAT_RERROR 0x01 /* TX retry error */ |
| 175 | |
| 176 | #define MREGS_TXRCNT_EDEFER 0x80 /* TX Excess defers */ |
| 177 | #define MREGS_TXRCNT_CMASK 0x0f /* TX retry count */ |
| 178 | |
| 179 | #define MREGS_RXFCNTL_LOWLAT 0x08 /* RX low latency */ |
| 180 | #define MREGS_RXFCNTL_AREJECT 0x04 /* RX addr match rej */ |
| 181 | #define MREGS_RXFCNTL_AUTOSTRIP 0x01 /* RX auto strip */ |
| 182 | |
| 183 | #define MREGS_RXFSTAT_OVERFLOW 0x80 /* RX overflow */ |
| 184 | #define MREGS_RXFSTAT_LCOLL 0x40 /* RX late collision */ |
| 185 | #define MREGS_RXFSTAT_FERROR 0x20 /* RX framing error */ |
| 186 | #define MREGS_RXFSTAT_FCSERROR 0x10 /* RX FCS error */ |
| 187 | #define MREGS_RXFSTAT_RBCNT 0x0f /* RX msg byte count */ |
| 188 | |
| 189 | #define MREGS_FFCNT_RX 0xf0 /* RX FIFO frame cnt */ |
| 190 | #define MREGS_FFCNT_TX 0x0f /* TX FIFO frame cnt */ |
| 191 | |
| 192 | #define MREGS_IREG_JABBER 0x80 /* IRQ Jabber error */ |
| 193 | #define MREGS_IREG_BABBLE 0x40 /* IRQ Babble error */ |
| 194 | #define MREGS_IREG_COLL 0x20 /* IRQ Collision error */ |
| 195 | #define MREGS_IREG_RCCO 0x10 /* IRQ Collision cnt overflow */ |
| 196 | #define MREGS_IREG_RPKTCO 0x08 /* IRQ Runt packet count overflow */ |
| 197 | #define MREGS_IREG_MPKTCO 0x04 /* IRQ missed packet cnt overflow */ |
| 198 | #define MREGS_IREG_RXIRQ 0x02 /* IRQ RX'd a packet */ |
| 199 | #define MREGS_IREG_TXIRQ 0x01 /* IRQ TX'd a packet */ |
| 200 | |
| 201 | #define MREGS_IMASK_BABBLE 0x40 /* IMASK Babble errors */ |
| 202 | #define MREGS_IMASK_COLL 0x20 /* IMASK Collision errors */ |
| 203 | #define MREGS_IMASK_MPKTCO 0x04 /* IMASK Missed pkt cnt overflow */ |
| 204 | #define MREGS_IMASK_RXIRQ 0x02 /* IMASK RX interrupts */ |
| 205 | #define MREGS_IMASK_TXIRQ 0x01 /* IMASK TX interrupts */ |
| 206 | |
| 207 | #define MREGS_POLL_TXVALID 0x80 /* TX is valid */ |
| 208 | #define MREGS_POLL_TDTR 0x40 /* TX data transfer request */ |
| 209 | #define MREGS_POLL_RDTR 0x20 /* RX data transfer request */ |
| 210 | |
| 211 | #define MREGS_BCONFIG_BSWAP 0x40 /* Byte Swap */ |
| 212 | #define MREGS_BCONFIG_4TS 0x00 /* 4byte transmit start point */ |
| 213 | #define MREGS_BCONFIG_16TS 0x10 /* 16byte transmit start point */ |
| 214 | #define MREGS_BCONFIG_64TS 0x20 /* 64byte transmit start point */ |
| 215 | #define MREGS_BCONFIG_112TS 0x30 /* 112byte transmit start point */ |
| 216 | #define MREGS_BCONFIG_RESET 0x01 /* SW-Reset the MACE */ |
| 217 | |
| 218 | #define MREGS_FCONFIG_TXF8 0x00 /* TX fifo 8 write cycles */ |
| 219 | #define MREGS_FCONFIG_TXF32 0x80 /* TX fifo 32 write cycles */ |
| 220 | #define MREGS_FCONFIG_TXF16 0x40 /* TX fifo 16 write cycles */ |
| 221 | #define MREGS_FCONFIG_RXF64 0x20 /* RX fifo 64 write cycles */ |
| 222 | #define MREGS_FCONFIG_RXF32 0x10 /* RX fifo 32 write cycles */ |
| 223 | #define MREGS_FCONFIG_RXF16 0x00 /* RX fifo 16 write cycles */ |
| 224 | #define MREGS_FCONFIG_TFWU 0x08 /* TX fifo watermark update */ |
| 225 | #define MREGS_FCONFIG_RFWU 0x04 /* RX fifo watermark update */ |
| 226 | #define MREGS_FCONFIG_TBENAB 0x02 /* TX burst enable */ |
| 227 | #define MREGS_FCONFIG_RBENAB 0x01 /* RX burst enable */ |
| 228 | |
| 229 | #define MREGS_MCONFIG_PROMISC 0x80 /* Promiscuous mode enable */ |
| 230 | #define MREGS_MCONFIG_TPDDISAB 0x40 /* TX 2part deferral enable */ |
| 231 | #define MREGS_MCONFIG_MBAENAB 0x20 /* Modified backoff enable */ |
| 232 | #define MREGS_MCONFIG_RPADISAB 0x08 /* RX physical addr disable */ |
| 233 | #define MREGS_MCONFIG_RBDISAB 0x04 /* RX broadcast disable */ |
| 234 | #define MREGS_MCONFIG_TXENAB 0x02 /* Enable transmitter */ |
| 235 | #define MREGS_MCONFIG_RXENAB 0x01 /* Enable receiver */ |
| 236 | |
| 237 | #define MREGS_PLSCONFIG_TXMS 0x08 /* TX mode select */ |
| 238 | #define MREGS_PLSCONFIG_GPSI 0x06 /* Use GPSI connector */ |
| 239 | #define MREGS_PLSCONFIG_DAI 0x04 /* Use DAI connector */ |
| 240 | #define MREGS_PLSCONFIG_TP 0x02 /* Use TwistedPair connector */ |
| 241 | #define MREGS_PLSCONFIG_AUI 0x00 /* Use AUI connector */ |
| 242 | #define MREGS_PLSCONFIG_IOENAB 0x01 /* PLS I/O enable */ |
| 243 | |
| 244 | #define MREGS_PHYCONFIG_LSTAT 0x80 /* Link status */ |
| 245 | #define MREGS_PHYCONFIG_LTESTDIS 0x40 /* Disable link test logic */ |
| 246 | #define MREGS_PHYCONFIG_RXPOLARITY 0x20 /* RX polarity */ |
| 247 | #define MREGS_PHYCONFIG_APCDISAB 0x10 /* AutoPolarityCorrect disab */ |
| 248 | #define MREGS_PHYCONFIG_LTENAB 0x08 /* Select low threshold */ |
| 249 | #define MREGS_PHYCONFIG_AUTO 0x04 /* Connector port auto-sel */ |
| 250 | #define MREGS_PHYCONFIG_RWU 0x02 /* Remote WakeUp */ |
| 251 | #define MREGS_PHYCONFIG_AW 0x01 /* Auto Wakeup */ |
| 252 | |
| 253 | #define MREGS_IACONFIG_ACHNGE 0x80 /* Do address change */ |
| 254 | #define MREGS_IACONFIG_PARESET 0x04 /* Physical address reset */ |
| 255 | #define MREGS_IACONFIG_LARESET 0x02 /* Logical address reset */ |
| 256 | |
| 257 | #define MREGS_UTEST_RTRENAB 0x80 /* Enable resv test register */ |
| 258 | #define MREGS_UTEST_RTRDISAB 0x40 /* Disab resv test register */ |
| 259 | #define MREGS_UTEST_RPACCEPT 0x20 /* Accept runt packets */ |
| 260 | #define MREGS_UTEST_FCOLL 0x10 /* Force collision status */ |
| 261 | #define MREGS_UTEST_FCSENAB 0x08 /* Enable FCS on RX */ |
| 262 | #define MREGS_UTEST_INTLOOPM 0x06 /* Intern lpback w/MENDEC */ |
| 263 | #define MREGS_UTEST_INTLOOP 0x04 /* Intern lpback */ |
| 264 | #define MREGS_UTEST_EXTLOOP 0x02 /* Extern lpback */ |
| 265 | #define MREGS_UTEST_NOLOOP 0x00 /* No loopback */ |
| 266 | |
| 267 | struct qe_rxd { |
| 268 | u32 rx_flags; |
| 269 | u32 rx_addr; |
| 270 | }; |
| 271 | |
| 272 | #define RXD_OWN 0x80000000 /* Ownership. */ |
| 273 | #define RXD_UPDATE 0x10000000 /* Being Updated? */ |
| 274 | #define RXD_LENGTH 0x000007ff /* Packet Length. */ |
| 275 | |
| 276 | struct qe_txd { |
| 277 | u32 tx_flags; |
| 278 | u32 tx_addr; |
| 279 | }; |
| 280 | |
| 281 | #define TXD_OWN 0x80000000 /* Ownership. */ |
| 282 | #define TXD_SOP 0x40000000 /* Start Of Packet */ |
| 283 | #define TXD_EOP 0x20000000 /* End Of Packet */ |
| 284 | #define TXD_UPDATE 0x10000000 /* Being Updated? */ |
| 285 | #define TXD_LENGTH 0x000007ff /* Packet Length. */ |
| 286 | |
| 287 | #define TX_RING_MAXSIZE 256 |
| 288 | #define RX_RING_MAXSIZE 256 |
| 289 | |
| 290 | #define TX_RING_SIZE 16 |
| 291 | #define RX_RING_SIZE 16 |
| 292 | |
| 293 | #define NEXT_RX(num) (((num) + 1) & (RX_RING_MAXSIZE - 1)) |
| 294 | #define NEXT_TX(num) (((num) + 1) & (TX_RING_MAXSIZE - 1)) |
| 295 | #define PREV_RX(num) (((num) - 1) & (RX_RING_MAXSIZE - 1)) |
| 296 | #define PREV_TX(num) (((num) - 1) & (TX_RING_MAXSIZE - 1)) |
| 297 | |
| 298 | #define TX_BUFFS_AVAIL(qp) \ |
| 299 | (((qp)->tx_old <= (qp)->tx_new) ? \ |
| 300 | (qp)->tx_old + (TX_RING_SIZE - 1) - (qp)->tx_new : \ |
| 301 | (qp)->tx_old - (qp)->tx_new - 1) |
| 302 | |
| 303 | struct qe_init_block { |
| 304 | struct qe_rxd qe_rxd[RX_RING_MAXSIZE]; |
| 305 | struct qe_txd qe_txd[TX_RING_MAXSIZE]; |
| 306 | }; |
| 307 | |
| 308 | #define qib_offset(mem, elem) \ |
| 309 | ((__u32)((unsigned long)(&(((struct qe_init_block *)0)->mem[elem])))) |
| 310 | |
| 311 | struct sunqe; |
| 312 | |
| 313 | struct sunqec { |
| 314 | void __iomem *gregs; /* QEC Global Registers */ |
| 315 | struct sunqe *qes[4]; /* Each child MACE */ |
| 316 | unsigned int qec_bursts; /* Support burst sizes */ |
| David S. Miller | 8e912b3 | 2008-08-27 00:12:27 -0700 | [diff] [blame] | 317 | struct of_device *op; /* QEC's OF device */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | struct sunqec *next_module; /* List of all QECs in system */ |
| 319 | }; |
| 320 | |
| 321 | #define PKT_BUF_SZ 1664 |
| 322 | #define RXD_PKT_SZ 1664 |
| 323 | |
| 324 | struct sunqe_buffers { |
| 325 | u8 tx_buf[TX_RING_SIZE][PKT_BUF_SZ]; |
| 326 | u8 __pad[2]; |
| 327 | u8 rx_buf[RX_RING_SIZE][PKT_BUF_SZ]; |
| 328 | }; |
| 329 | |
| 330 | #define qebuf_offset(mem, elem) \ |
| 331 | ((__u32)((unsigned long)(&(((struct sunqe_buffers *)0)->mem[elem][0])))) |
| 332 | |
| 333 | struct sunqe { |
| 334 | void __iomem *qcregs; /* QEC per-channel Registers */ |
| 335 | void __iomem *mregs; /* Per-channel MACE Registers */ |
| 336 | struct qe_init_block *qe_block; /* RX and TX descriptors */ |
| 337 | __u32 qblock_dvma; /* RX and TX descriptors */ |
| 338 | spinlock_t lock; /* Protects txfull state */ |
| 339 | int rx_new, rx_old; /* RX ring extents */ |
| 340 | int tx_new, tx_old; /* TX ring extents */ |
| 341 | struct sunqe_buffers *buffers; /* CPU visible address. */ |
| 342 | __u32 buffers_dvma; /* DVMA visible address. */ |
| 343 | struct sunqec *parent; |
| 344 | u8 mconfig; /* Base MACE mconfig value */ |
| David S. Miller | 8e912b3 | 2008-08-27 00:12:27 -0700 | [diff] [blame] | 345 | struct of_device *op; /* QE's OF device struct */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | struct net_device *dev; /* QE's netdevice struct */ |
| 347 | int channel; /* Who am I? */ |
| 348 | }; |
| 349 | |
| 350 | #endif /* !(_SUNQE_H) */ |