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