1 #ifndef __MYRI10GE_MCP_H__
2 #define __MYRI10GE_MCP_H__
4 #define MXGEFW_VERSION_MAJOR 1
5 #define MXGEFW_VERSION_MINOR 4
22 __be32 data0; /* will be low portion if data > 32 bits */
24 __be32 data1; /* will be high portion if data > 32 bits */
25 __be32 data2; /* currently unused.. */
27 struct mcp_dma_addr response_addr;
33 struct mcp_cmd_response {
39 * flags used in mcp_kreq_ether_send_t:
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.
44 * The CKSUM flag must be set in all segments.
46 * The PADDED flags is set if the packet needs to be padded, and it
47 * must be set for all segments.
49 * The MXGEFW_FLAGS_ALIGN_ODD must be set if the cumulative
50 * length of all previous segments was odd.
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
63 #define MXGEFW_SEND_SMALL_SIZE 1520
64 #define MXGEFW_MAX_MTU 9400
66 union mcp_pso_or_cumlen {
67 u16 pseudo_hdr_offset;
71 #define MXGEFW_MAX_SEND_DESC 12
75 struct mcp_kreq_ether_send {
78 __be16 pseudo_hdr_offset;
82 u8 cksum_offset; /* where to start computing cksum */
83 u8 flags; /* as defined above */
87 struct mcp_kreq_ether_recv {
94 #define MXGEFW_BOOT_HANDOFF 0xfc0000
95 #define MXGEFW_BOOT_DUMMY_RDMA 0xfc01c0
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
105 #define MXGEFW_ETH_SEND(n) (0x200000 + (((n) & 0x03) * 0x40000))
106 #define MXGEFW_ETH_SEND_OFFSET(n) (MXGEFW_ETH_SEND(n) - MXGEFW_ETH_SEND_4)
108 enum myri10ge_mcp_cmd_type {
110 /* Reset the mcp, it is left in a safe state, waiting
111 * for the driver to set all its parameters */
114 /* get the version number of the current firmware..
115 * (may be available in the eeprom strings..? */
116 MXGEFW_GET_MCP_VERSION,
118 /* Parameters which must be set by the driver before it can
119 * issue MXGEFW_CMD_ETHERNET_UP. They persist until the next
120 * MXGEFW_CMD_RESET is issued */
122 MXGEFW_CMD_SET_INTRQ_DMA,
123 MXGEFW_CMD_SET_BIG_BUFFER_SIZE, /* in bytes, power of 2 */
124 MXGEFW_CMD_SET_SMALL_BUFFER_SIZE, /* in bytes */
126 /* Parameters which refer to lanai SRAM addresses where the
127 * driver must issue PIO writes for various things */
129 MXGEFW_CMD_GET_SEND_OFFSET,
130 MXGEFW_CMD_GET_SMALL_RX_OFFSET,
131 MXGEFW_CMD_GET_BIG_RX_OFFSET,
132 MXGEFW_CMD_GET_IRQ_ACK_OFFSET,
133 MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET,
135 /* Parameters which refer to rings stored on the MCP,
136 * and whose size is controlled by the mcp */
138 MXGEFW_CMD_GET_SEND_RING_SIZE, /* in bytes */
139 MXGEFW_CMD_GET_RX_RING_SIZE, /* in bytes */
141 /* Parameters which refer to rings stored in the host,
142 * and whose size is controlled by the host. Note that
143 * all must be physically contiguous and must contain
144 * a power of 2 number of entries. */
146 MXGEFW_CMD_SET_INTRQ_SIZE, /* in bytes */
147 #define MXGEFW_CMD_SET_INTRQ_SIZE_FLAG_NO_STRICT_SIZE_CHECK (1 << 31)
149 /* command to bring ethernet interface up. Above parameters
150 * (plus mtu & mac address) must have been exchanged prior
151 * to issuing this command */
152 MXGEFW_CMD_ETHERNET_UP,
154 /* command to bring ethernet interface down. No further sends
155 * or receives may be processed until an MXGEFW_CMD_ETHERNET_UP
156 * is issued, and all interrupt queues must be flushed prior
157 * to ack'ing this command */
159 MXGEFW_CMD_ETHERNET_DOWN,
161 /* commands the driver may issue live, without resetting
162 * the nic. Note that increasing the mtu "live" should
163 * only be done if the driver has already supplied buffers
164 * sufficiently large to handle the new mtu. Decreasing
165 * the mtu live is safe */
168 MXGEFW_CMD_GET_INTR_COAL_DELAY_OFFSET, /* in microseconds */
169 MXGEFW_CMD_SET_STATS_INTERVAL, /* in microseconds */
170 MXGEFW_CMD_SET_STATS_DMA_OBSOLETE, /* replaced by SET_STATS_DMA_V2 */
172 MXGEFW_ENABLE_PROMISC,
173 MXGEFW_DISABLE_PROMISC,
174 MXGEFW_SET_MAC_ADDRESS,
176 MXGEFW_ENABLE_FLOW_CONTROL,
177 MXGEFW_DISABLE_FLOW_CONTROL,
180 * data0,data1 = DMA address
181 * data2 = RDMA length (MSH), WDMA length (LSH)
182 * command return data = repetitions (MSH), 0.5-ms ticks (LSH)
186 MXGEFW_ENABLE_ALLMULTI,
187 MXGEFW_DISABLE_ALLMULTI,
189 /* returns MXGEFW_CMD_ERROR_MULTICAST
190 * if there is no room in the cache
191 * data0,MSH(data1) = multicast group address */
192 MXGEFW_JOIN_MULTICAST_GROUP,
193 /* returns MXGEFW_CMD_ERROR_MULTICAST
194 * if the address is not in the cache,
195 * or is equal to FF-FF-FF-FF-FF-FF
196 * data0,MSH(data1) = multicast group address */
197 MXGEFW_LEAVE_MULTICAST_GROUP,
198 MXGEFW_LEAVE_ALL_MULTICAST_GROUPS,
200 MXGEFW_CMD_SET_STATS_DMA_V2,
201 /* data0, data1 = bus addr,
202 * data2 = sizeof(struct mcp_irq_data) from driver point of view, allows
203 * adding new stuff to mcp_irq_data without changing the ABI */
205 MXGEFW_CMD_UNALIGNED_TEST,
206 /* same than DMA_TEST (same args) but abort with UNALIGNED on unaligned
209 MXGEFW_CMD_UNALIGNED_STATUS,
210 /* return data = boolean, true if the chipset is known to be unaligned */
212 MXGEFW_CMD_ALWAYS_USE_N_BIG_BUFFERS,
213 /* data0 = number of big buffers to use. It must be 0 or a power of 2.
214 * 0 indicates that the NIC consumes as many buffers as they are required
215 * for packet. This is the default behavior.
216 * A power of 2 number indicates that the NIC always uses the specified
217 * number of buffers for each big receive packet.
218 * It is up to the driver to ensure that this value is big enough for
219 * the NIC to be able to receive maximum-sized packets.
222 MXGEFW_CMD_GET_MAX_RSS_QUEUES,
223 MXGEFW_CMD_ENABLE_RSS_QUEUES,
224 /* data0 = number of slices n (0, 1, ..., n-1) to enable
225 * data1 = interrupt mode.
226 * 0=share one INTx/MSI, 1=use one MSI-X per queue.
227 * If all queues share one interrupt, the driver must have set
228 * RSS_SHARED_INTERRUPT_DMA before enabling queues.
230 #define MXGEFW_SLICE_INTR_MODE_SHARED 0
231 #define MXGEFW_SLICE_INTR_MODE_ONE_PER_SLICE 1
233 MXGEFW_CMD_GET_RSS_SHARED_INTERRUPT_MASK_OFFSET,
234 MXGEFW_CMD_SET_RSS_SHARED_INTERRUPT_DMA,
235 /* data0, data1 = bus address lsw, msw */
236 MXGEFW_CMD_GET_RSS_TABLE_OFFSET,
237 /* get the offset of the indirection table */
238 MXGEFW_CMD_SET_RSS_TABLE_SIZE,
239 /* set the size of the indirection table */
240 MXGEFW_CMD_GET_RSS_KEY_OFFSET,
241 /* get the offset of the secret key */
242 MXGEFW_CMD_RSS_KEY_UPDATED,
243 /* tell nic that the secret key's been updated */
244 MXGEFW_CMD_SET_RSS_ENABLE,
245 /* data0 = enable/disable rss
246 * 0: disable rss. nic does not distribute receive packets.
247 * 1: enable rss. nic distributes receive packets among queues.
249 * 1: IPV4 (required by RSS)
250 * 2: TCP_IPV4 (required by RSS)
251 * 3: IPV4 | TCP_IPV4 (required by RSS)
254 #define MXGEFW_RSS_HASH_TYPE_IPV4 0x1
255 #define MXGEFW_RSS_HASH_TYPE_TCP_IPV4 0x2
256 #define MXGEFW_RSS_HASH_TYPE_SRC_PORT 0x4
258 MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
259 /* Return data = the max. size of the entire headers of a IPv6 TSO packet.
260 * If the header size of a IPv6 TSO packet is larger than the specified
261 * value, then the driver must not use TSO.
262 * This size restriction only applies to IPv6 TSO.
263 * For IPv4 TSO, the maximum size of the headers is fixed, and the NIC
264 * always has enough header buffer to store maximum-sized headers.
267 MXGEFW_CMD_SET_TSO_MODE,
269 * 0: Linux/FreeBSD style (NIC default)
270 * 1: NDIS/NetBSD style
272 #define MXGEFW_TSO_MODE_LINUX 0
273 #define MXGEFW_TSO_MODE_NDIS 1
275 MXGEFW_CMD_MDIO_READ,
276 /* data0 = dev_addr (PMA/PMD or PCS ...), data1 = register/addr */
277 MXGEFW_CMD_MDIO_WRITE,
278 /* data0 = dev_addr, data1 = register/addr, data2 = value */
280 MXGEFW_CMD_XFP_I2C_READ,
281 /* Starts to get a fresh copy of one byte or of the whole xfp i2c table, the
282 * obtained data is cached inside the xaui-xfi chip :
283 * data0 : "all" flag : 0 => get one byte, 1=> get 256 bytes,
284 * data1 : if (data0 == 0): index of byte to refresh [ not used otherwise ]
285 * The operation might take ~1ms for a single byte or ~65ms when refreshing all 256 bytes
286 * During the i2c operation, MXGEFW_CMD_XFP_I2C_READ or MXGEFW_CMD_XFP_BYTE attempts
287 * will return MXGEFW_CMD_ERROR_BUSY
290 /* Return the last obtained copy of a given byte in the xfp i2c table
291 * (copy cached during the last relevant MXGEFW_CMD_XFP_I2C_READ)
292 * data0 : index of the desired table entry
293 * Return data = the byte stored at the requested index in the table
296 MXGEFW_CMD_GET_VPUMP_OFFSET,
297 /* Return data = NIC memory offset of mcp_vpump_public_global */
298 MXGEFW_CMD_RESET_VPUMP,
299 /* Resets the VPUMP state */
301 MXGEFW_CMD_SET_RSS_MCP_SLOT_TYPE,
302 /* data0 = mcp_slot type to use.
303 * 0 = the default 4B mcp_slot
306 #define MXGEFW_RSS_MCP_SLOT_TYPE_MIN 0
307 #define MXGEFW_RSS_MCP_SLOT_TYPE_WITH_HASH 1
309 MXGEFW_CMD_SET_THROTTLE_FACTOR,
310 /* set the throttle factor for ethp_z8e
311 * data0 = throttle_factor
312 * throttle_factor = 256 * pcie-raw-speed / tx_speed
313 * tx_speed = 256 * pcie-raw-speed / throttle_factor
315 * For PCI-E x8: pcie-raw-speed == 16Gb/s
316 * For PCI-E x4: pcie-raw-speed == 8Gb/s
318 * ex1: throttle_factor == 0x1a0 (416), tx_speed == 1.23GB/s == 9.846 Gb/s
319 * ex2: throttle_factor == 0x200 (512), tx_speed == 1.0GB/s == 8 Gb/s
321 * with tx_boundary == 2048, max-throttle-factor == 8191 => min-speed == 500Mb/s
322 * with tx_boundary == 4096, max-throttle-factor == 4095 => min-speed == 1Gb/s
326 /* Allocates VPump Connection, Send Request and Zero copy buffer address tables */
327 MXGEFW_CMD_GET_VPUMP_CLK,
328 /* Get the lanai clock */
330 MXGEFW_CMD_GET_DCA_OFFSET,
331 /* offset of dca control for WDMAs */
334 enum myri10ge_mcp_cmd_status {
337 MXGEFW_CMD_ERROR_RANGE,
338 MXGEFW_CMD_ERROR_BUSY,
339 MXGEFW_CMD_ERROR_EMPTY,
340 MXGEFW_CMD_ERROR_CLOSED,
341 MXGEFW_CMD_ERROR_HASH_ERROR,
342 MXGEFW_CMD_ERROR_BAD_PORT,
343 MXGEFW_CMD_ERROR_RESOURCES,
344 MXGEFW_CMD_ERROR_MULTICAST,
345 MXGEFW_CMD_ERROR_UNALIGNED,
346 MXGEFW_CMD_ERROR_NO_MDIO,
347 MXGEFW_CMD_ERROR_XFP_FAILURE,
348 MXGEFW_CMD_ERROR_XFP_ABSENT,
349 MXGEFW_CMD_ERROR_BAD_PCIE_LINK
352 #define MXGEFW_OLD_IRQ_DATA_LEN 40
354 struct mcp_irq_data {
355 /* add new counters at the beginning */
356 __be32 future_use[1];
357 __be32 dropped_pause;
358 __be32 dropped_unicast_filtered;
359 __be32 dropped_bad_crc32;
360 __be32 dropped_bad_phy;
361 __be32 dropped_multicast_filtered;
363 __be32 send_done_count;
365 #define MXGEFW_LINK_DOWN 0
366 #define MXGEFW_LINK_UP 1
367 #define MXGEFW_LINK_MYRINET 2
368 #define MXGEFW_LINK_UNKNOWN 3
370 __be32 dropped_link_overflow;
371 __be32 dropped_link_error_or_filtered;
373 __be32 dropped_overrun;
374 __be32 dropped_no_small_buffer;
375 __be32 dropped_no_big_buffer;
376 __be32 rdma_tags_available;
384 #endif /* __MYRI10GE_MCP_H__ */