1 #ifndef __MYRI10GE_MCP_H__ 2 #define __MYRI10GE_MCP_H__ 3 4 #define MXGEFW_VERSION_MAJOR 1 5 #define MXGEFW_VERSION_MINOR 4 6 7 /* 8 Bytes */ 8 struct mcp_dma_addr { 9 __be32 high; 10 __be32 low; 11 }; 12 13 /* 4 Bytes */ 14 struct mcp_slot { 15 __sum16 checksum; 16 __be16 length; 17 }; 18 19 /* 64 Bytes */ 20 struct mcp_cmd { 21 __be32 cmd; 22 __be32 data0; /* will be low portion if data > 32 bits */ 23 /* 8 */ 24 __be32 data1; /* will be high portion if data > 32 bits */ 25 __be32 data2; /* currently unused.. */ 26 /* 16 */ 27 struct mcp_dma_addr response_addr; 28 /* 24 */ 29 u8 pad[40]; 30 }; 31 32 /* 8 Bytes */ 33 struct mcp_cmd_response { 34 __be32 data; 35 __be32 result; 36 }; 37 38 /* 39 * flags used in mcp_kreq_ether_send_t: 40 * 41 * The SMALL flag is only needed in the first segment. It is raised 42 * for packets that are total less or equal 512 bytes. 43 * 44 * The CKSUM flag must be set in all segments. 45 * 46 * The PADDED flags is set if the packet needs to be padded, and it 47 * must be set for all segments. 48 * 49 * The MXGEFW_FLAGS_ALIGN_ODD must be set if the cumulative 50 * length of all previous segments was odd. 51 */ 52 53 #define MXGEFW_FLAGS_SMALL 0x1 54 #define MXGEFW_FLAGS_TSO_HDR 0x1 55 #define MXGEFW_FLAGS_FIRST 0x2 56 #define MXGEFW_FLAGS_ALIGN_ODD 0x4 57 #define MXGEFW_FLAGS_CKSUM 0x8 58 #define MXGEFW_FLAGS_TSO_LAST 0x8 59 #define MXGEFW_FLAGS_NO_TSO 0x10 60 #define MXGEFW_FLAGS_TSO_CHOP 0x10 61 #define MXGEFW_FLAGS_TSO_PLD 0x20 62 63 #define MXGEFW_SEND_SMALL_SIZE 1520 64 #define MXGEFW_MAX_MTU 9400 65 66 union mcp_pso_or_cumlen { 67 u16 pseudo_hdr_offset; 68 u16 cum_len; 69 }; 70 71 #define MXGEFW_MAX_SEND_DESC 12 72 #define MXGEFW_PAD 2 73 74 /* 16 Bytes */ 75 struct mcp_kreq_ether_send { 76 __be32 addr_high; 77 __be32 addr_low; 78 __be16 pseudo_hdr_offset; 79 __be16 length; 80 u8 pad; 81 u8 rdma_count; 82 u8 cksum_offset; /* where to start computing cksum */ 83 u8 flags; /* as defined above */ 84 }; 85 86 /* 8 Bytes */ 87 struct mcp_kreq_ether_recv { 88 __be32 addr_high; 89 __be32 addr_low; 90 }; 91 92 /* Commands */ 93 94 #define MXGEFW_BOOT_HANDOFF 0xfc0000 95 #define MXGEFW_BOOT_DUMMY_RDMA 0xfc01c0 96 97 #define MXGEFW_ETH_CMD 0xf80000 98 #define MXGEFW_ETH_SEND_4 0x200000 99 #define MXGEFW_ETH_SEND_1 0x240000 100 #define MXGEFW_ETH_SEND_2 0x280000 101 #define MXGEFW_ETH_SEND_3 0x2c0000 102 #define MXGEFW_ETH_RECV_SMALL 0x300000 103 #define MXGEFW_ETH_RECV_BIG 0x340000 104 #define MXGEFW_ETH_SEND_GO 0x380000 105 #define MXGEFW_ETH_SEND_STOP 0x3C0000 106 107 #define MXGEFW_ETH_SEND(n) (0x200000 + (((n) & 0x03) * 0x40000)) 108 #define MXGEFW_ETH_SEND_OFFSET(n) (MXGEFW_ETH_SEND(n) - MXGEFW_ETH_SEND_4) 109 110 enum myri10ge_mcp_cmd_type { 111 MXGEFW_CMD_NONE = 0, 112 /* Reset the mcp, it is left in a safe state, waiting 113 * for the driver to set all its parameters */ 114 MXGEFW_CMD_RESET = 1, 115 116 /* get the version number of the current firmware.. 117 * (may be available in the eeprom strings..? */ 118 MXGEFW_GET_MCP_VERSION = 2, 119 120 /* Parameters which must be set by the driver before it can 121 * issue MXGEFW_CMD_ETHERNET_UP. They persist until the next 122 * MXGEFW_CMD_RESET is issued */ 123 124 MXGEFW_CMD_SET_INTRQ_DMA = 3, 125 /* data0 = LSW of the host address 126 * data1 = MSW of the host address 127 * data2 = slice number if multiple slices are used 128 */ 129 130 MXGEFW_CMD_SET_BIG_BUFFER_SIZE = 4, /* in bytes, power of 2 */ 131 MXGEFW_CMD_SET_SMALL_BUFFER_SIZE = 5, /* in bytes */ 132 133 /* Parameters which refer to lanai SRAM addresses where the 134 * driver must issue PIO writes for various things */ 135 136 MXGEFW_CMD_GET_SEND_OFFSET = 6, 137 MXGEFW_CMD_GET_SMALL_RX_OFFSET = 7, 138 MXGEFW_CMD_GET_BIG_RX_OFFSET = 8, 139 /* data0 = slice number if multiple slices are used */ 140 141 MXGEFW_CMD_GET_IRQ_ACK_OFFSET = 9, 142 MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET = 10, 143 144 /* Parameters which refer to rings stored on the MCP, 145 * and whose size is controlled by the mcp */ 146 147 MXGEFW_CMD_GET_SEND_RING_SIZE = 11, /* in bytes */ 148 MXGEFW_CMD_GET_RX_RING_SIZE = 12, /* in bytes */ 149 150 /* Parameters which refer to rings stored in the host, 151 * and whose size is controlled by the host. Note that 152 * all must be physically contiguous and must contain 153 * a power of 2 number of entries. */ 154 155 MXGEFW_CMD_SET_INTRQ_SIZE = 13, /* in bytes */ 156 #define MXGEFW_CMD_SET_INTRQ_SIZE_FLAG_NO_STRICT_SIZE_CHECK (1 << 31) 157 158 /* command to bring ethernet interface up. Above parameters 159 * (plus mtu & mac address) must have been exchanged prior 160 * to issuing this command */ 161 MXGEFW_CMD_ETHERNET_UP = 14, 162 163 /* command to bring ethernet interface down. No further sends 164 * or receives may be processed until an MXGEFW_CMD_ETHERNET_UP 165 * is issued, and all interrupt queues must be flushed prior 166 * to ack'ing this command */ 167 168 MXGEFW_CMD_ETHERNET_DOWN = 15, 169 170 /* commands the driver may issue live, without resetting 171 * the nic. Note that increasing the mtu "live" should 172 * only be done if the driver has already supplied buffers 173 * sufficiently large to handle the new mtu. Decreasing 174 * the mtu live is safe */ 175 176 MXGEFW_CMD_SET_MTU = 16, 177 MXGEFW_CMD_GET_INTR_COAL_DELAY_OFFSET = 17, /* in microseconds */ 178 MXGEFW_CMD_SET_STATS_INTERVAL = 18, /* in microseconds */ 179 MXGEFW_CMD_SET_STATS_DMA_OBSOLETE = 19, /* replaced by SET_STATS_DMA_V2 */ 180 181 MXGEFW_ENABLE_PROMISC = 20, 182 MXGEFW_DISABLE_PROMISC = 21, 183 MXGEFW_SET_MAC_ADDRESS = 22, 184 185 MXGEFW_ENABLE_FLOW_CONTROL = 23, 186 MXGEFW_DISABLE_FLOW_CONTROL = 24, 187 188 /* do a DMA test 189 * data0,data1 = DMA address 190 * data2 = RDMA length (MSH), WDMA length (LSH) 191 * command return data = repetitions (MSH), 0.5-ms ticks (LSH) 192 */ 193 MXGEFW_DMA_TEST = 25, 194 195 MXGEFW_ENABLE_ALLMULTI = 26, 196 MXGEFW_DISABLE_ALLMULTI = 27, 197 198 /* returns MXGEFW_CMD_ERROR_MULTICAST 199 * if there is no room in the cache 200 * data0,MSH(data1) = multicast group address */ 201 MXGEFW_JOIN_MULTICAST_GROUP = 28, 202 /* returns MXGEFW_CMD_ERROR_MULTICAST 203 * if the address is not in the cache, 204 * or is equal to FF-FF-FF-FF-FF-FF 205 * data0,MSH(data1) = multicast group address */ 206 MXGEFW_LEAVE_MULTICAST_GROUP = 29, 207 MXGEFW_LEAVE_ALL_MULTICAST_GROUPS = 30, 208 209 MXGEFW_CMD_SET_STATS_DMA_V2 = 31, 210 /* data0, data1 = bus addr, 211 * data2 = sizeof(struct mcp_irq_data) from driver point of view, allows 212 * adding new stuff to mcp_irq_data without changing the ABI 213 * 214 * If multiple slices are used, data2 contains both the size of the 215 * structure (in the lower 16 bits) and the slice number 216 * (in the upper 16 bits). 217 */ 218 219 MXGEFW_CMD_UNALIGNED_TEST = 32, 220 /* same than DMA_TEST (same args) but abort with UNALIGNED on unaligned 221 * chipset */ 222 223 MXGEFW_CMD_UNALIGNED_STATUS = 33, 224 /* return data = boolean, true if the chipset is known to be unaligned */ 225 226 MXGEFW_CMD_ALWAYS_USE_N_BIG_BUFFERS = 34, 227 /* data0 = number of big buffers to use. It must be 0 or a power of 2. 228 * 0 indicates that the NIC consumes as many buffers as they are required 229 * for packet. This is the default behavior. 230 * A power of 2 number indicates that the NIC always uses the specified 231 * number of buffers for each big receive packet. 232 * It is up to the driver to ensure that this value is big enough for 233 * the NIC to be able to receive maximum-sized packets. 234 */ 235 236 MXGEFW_CMD_GET_MAX_RSS_QUEUES = 35, 237 MXGEFW_CMD_ENABLE_RSS_QUEUES = 36, 238 /* data0 = number of slices n (0, 1, ..., n-1) to enable 239 * data1 = interrupt mode | use of multiple transmit queues. 240 * 0=share one INTx/MSI. 241 * 1=use one MSI-X per queue. 242 * If all queues share one interrupt, the driver must have set 243 * RSS_SHARED_INTERRUPT_DMA before enabling queues. 244 * 2=enable both receive and send queues. 245 * Without this bit set, only one send queue (slice 0's send queue) 246 * is enabled. The receive queues are always enabled. 247 */ 248 #define MXGEFW_SLICE_INTR_MODE_SHARED 0x0 249 #define MXGEFW_SLICE_INTR_MODE_ONE_PER_SLICE 0x1 250 #define MXGEFW_SLICE_ENABLE_MULTIPLE_TX_QUEUES 0x2 251 252 MXGEFW_CMD_GET_RSS_SHARED_INTERRUPT_MASK_OFFSET = 37, 253 MXGEFW_CMD_SET_RSS_SHARED_INTERRUPT_DMA = 38, 254 /* data0, data1 = bus address lsw, msw */ 255 MXGEFW_CMD_GET_RSS_TABLE_OFFSET = 39, 256 /* get the offset of the indirection table */ 257 MXGEFW_CMD_SET_RSS_TABLE_SIZE = 40, 258 /* set the size of the indirection table */ 259 MXGEFW_CMD_GET_RSS_KEY_OFFSET = 41, 260 /* get the offset of the secret key */ 261 MXGEFW_CMD_RSS_KEY_UPDATED = 42, 262 /* tell nic that the secret key's been updated */ 263 MXGEFW_CMD_SET_RSS_ENABLE = 43, 264 /* data0 = enable/disable rss 265 * 0: disable rss. nic does not distribute receive packets. 266 * 1: enable rss. nic distributes receive packets among queues. 267 * data1 = hash type 268 * 1: IPV4 (required by RSS) 269 * 2: TCP_IPV4 (required by RSS) 270 * 3: IPV4 | TCP_IPV4 (required by RSS) 271 * 4: source port 272 * 5: source port + destination port 273 */ 274 #define MXGEFW_RSS_HASH_TYPE_IPV4 0x1 275 #define MXGEFW_RSS_HASH_TYPE_TCP_IPV4 0x2 276 #define MXGEFW_RSS_HASH_TYPE_SRC_PORT 0x4 277 #define MXGEFW_RSS_HASH_TYPE_SRC_DST_PORT 0x5 278 #define MXGEFW_RSS_HASH_TYPE_MAX 0x5 279 280 MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE = 44, 281 /* Return data = the max. size of the entire headers of a IPv6 TSO packet. 282 * If the header size of a IPv6 TSO packet is larger than the specified 283 * value, then the driver must not use TSO. 284 * This size restriction only applies to IPv6 TSO. 285 * For IPv4 TSO, the maximum size of the headers is fixed, and the NIC 286 * always has enough header buffer to store maximum-sized headers. 287 */ 288 289 MXGEFW_CMD_SET_TSO_MODE = 45, 290 /* data0 = TSO mode. 291 * 0: Linux/FreeBSD style (NIC default) 292 * 1: NDIS/NetBSD style 293 */ 294 #define MXGEFW_TSO_MODE_LINUX 0 295 #define MXGEFW_TSO_MODE_NDIS 1 296 297 MXGEFW_CMD_MDIO_READ = 46, 298 /* data0 = dev_addr (PMA/PMD or PCS ...), data1 = register/addr */ 299 MXGEFW_CMD_MDIO_WRITE = 47, 300 /* data0 = dev_addr, data1 = register/addr, data2 = value */ 301 302 MXGEFW_CMD_I2C_READ = 48, 303 /* Starts to get a fresh copy of one byte or of the module i2c table, the 304 * obtained data is cached inside the xaui-xfi chip : 305 * data0 : 0 => get one byte, 1=> get 256 bytes 306 * data1 : If data0 == 0: location to refresh 307 * bit 7:0 register location 308 * bit 8:15 is the i2c slave addr (0 is interpreted as 0xA1) 309 * bit 23:16 is the i2c bus number (for multi-port NICs) 310 * If data0 == 1: unused 311 * The operation might take ~1ms for a single byte or ~65ms when refreshing all 256 bytes 312 * During the i2c operation, MXGEFW_CMD_I2C_READ or MXGEFW_CMD_I2C_BYTE attempts 313 * will return MXGEFW_CMD_ERROR_BUSY 314 */ 315 MXGEFW_CMD_I2C_BYTE = 49, 316 /* Return the last obtained copy of a given byte in the xfp i2c table 317 * (copy cached during the last relevant MXGEFW_CMD_I2C_READ) 318 * data0 : index of the desired table entry 319 * Return data = the byte stored at the requested index in the table 320 */ 321 322 MXGEFW_CMD_GET_VPUMP_OFFSET = 50, 323 /* Return data = NIC memory offset of mcp_vpump_public_global */ 324 MXGEFW_CMD_RESET_VPUMP = 51, 325 /* Resets the VPUMP state */ 326 327 MXGEFW_CMD_SET_RSS_MCP_SLOT_TYPE = 52, 328 /* data0 = mcp_slot type to use. 329 * 0 = the default 4B mcp_slot 330 * 1 = 8B mcp_slot_8 331 */ 332 #define MXGEFW_RSS_MCP_SLOT_TYPE_MIN 0 333 #define MXGEFW_RSS_MCP_SLOT_TYPE_WITH_HASH 1 334 335 MXGEFW_CMD_SET_THROTTLE_FACTOR = 53, 336 /* set the throttle factor for ethp_z8e 337 * data0 = throttle_factor 338 * throttle_factor = 256 * pcie-raw-speed / tx_speed 339 * tx_speed = 256 * pcie-raw-speed / throttle_factor 340 * 341 * For PCI-E x8: pcie-raw-speed == 16Gb/s 342 * For PCI-E x4: pcie-raw-speed == 8Gb/s 343 * 344 * ex1: throttle_factor == 0x1a0 (416), tx_speed == 1.23GB/s == 9.846 Gb/s 345 * ex2: throttle_factor == 0x200 (512), tx_speed == 1.0GB/s == 8 Gb/s 346 * 347 * with tx_boundary == 2048, max-throttle-factor == 8191 => min-speed == 500Mb/s 348 * with tx_boundary == 4096, max-throttle-factor == 4095 => min-speed == 1Gb/s 349 */ 350 351 MXGEFW_CMD_VPUMP_UP = 54, 352 /* Allocates VPump Connection, Send Request and Zero copy buffer address tables */ 353 MXGEFW_CMD_GET_VPUMP_CLK = 55, 354 /* Get the lanai clock */ 355 356 MXGEFW_CMD_GET_DCA_OFFSET = 56, 357 /* offset of dca control for WDMAs */ 358 359 /* VMWare NetQueue commands */ 360 MXGEFW_CMD_NETQ_GET_FILTERS_PER_QUEUE = 57, 361 MXGEFW_CMD_NETQ_ADD_FILTER = 58, 362 /* data0 = filter_id << 16 | queue << 8 | type */ 363 /* data1 = MS4 of MAC Addr */ 364 /* data2 = LS2_MAC << 16 | VLAN_tag */ 365 MXGEFW_CMD_NETQ_DEL_FILTER = 59, 366 /* data0 = filter_id */ 367 MXGEFW_CMD_NETQ_QUERY1 = 60, 368 MXGEFW_CMD_NETQ_QUERY2 = 61, 369 MXGEFW_CMD_NETQ_QUERY3 = 62, 370 MXGEFW_CMD_NETQ_QUERY4 = 63, 371 372 MXGEFW_CMD_RELAX_RXBUFFER_ALIGNMENT = 64, 373 /* When set, small receive buffers can cross page boundaries. 374 * Both small and big receive buffers may start at any address. 375 * This option has performance implications, so use with caution. 376 */ 377 }; 378 379 enum myri10ge_mcp_cmd_status { 380 MXGEFW_CMD_OK = 0, 381 MXGEFW_CMD_UNKNOWN = 1, 382 MXGEFW_CMD_ERROR_RANGE = 2, 383 MXGEFW_CMD_ERROR_BUSY = 3, 384 MXGEFW_CMD_ERROR_EMPTY = 4, 385 MXGEFW_CMD_ERROR_CLOSED = 5, 386 MXGEFW_CMD_ERROR_HASH_ERROR = 6, 387 MXGEFW_CMD_ERROR_BAD_PORT = 7, 388 MXGEFW_CMD_ERROR_RESOURCES = 8, 389 MXGEFW_CMD_ERROR_MULTICAST = 9, 390 MXGEFW_CMD_ERROR_UNALIGNED = 10, 391 MXGEFW_CMD_ERROR_NO_MDIO = 11, 392 MXGEFW_CMD_ERROR_I2C_FAILURE = 12, 393 MXGEFW_CMD_ERROR_I2C_ABSENT = 13, 394 MXGEFW_CMD_ERROR_BAD_PCIE_LINK = 14 395 }; 396 397 #define MXGEFW_OLD_IRQ_DATA_LEN 40 398 399 struct mcp_irq_data { 400 /* add new counters at the beginning */ 401 __be32 future_use[1]; 402 __be32 dropped_pause; 403 __be32 dropped_unicast_filtered; 404 __be32 dropped_bad_crc32; 405 __be32 dropped_bad_phy; 406 __be32 dropped_multicast_filtered; 407 /* 40 Bytes */ 408 __be32 send_done_count; 409 410 #define MXGEFW_LINK_DOWN 0 411 #define MXGEFW_LINK_UP 1 412 #define MXGEFW_LINK_MYRINET 2 413 #define MXGEFW_LINK_UNKNOWN 3 414 __be32 link_up; 415 __be32 dropped_link_overflow; 416 __be32 dropped_link_error_or_filtered; 417 __be32 dropped_runt; 418 __be32 dropped_overrun; 419 __be32 dropped_no_small_buffer; 420 __be32 dropped_no_big_buffer; 421 __be32 rdma_tags_available; 422 423 u8 tx_stopped; 424 u8 link_down; 425 u8 stats_updated; 426 u8 valid; 427 }; 428 429 /* definitions for NETQ filter type */ 430 #define MXGEFW_NETQ_FILTERTYPE_NONE 0 431 #define MXGEFW_NETQ_FILTERTYPE_MACADDR 1 432 #define MXGEFW_NETQ_FILTERTYPE_VLAN 2 433 #define MXGEFW_NETQ_FILTERTYPE_VLANMACADDR 3 434 435 #endif /* __MYRI10GE_MCP_H__ */ 436