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 */
8struct mcp_dma_addr {
9	__be32 high;
10	__be32 low;
11};
12
13/* 4 Bytes */
14struct mcp_slot {
15	__sum16 checksum;
16	__be16 length;
17};
18
19/* 64 Bytes */
20struct 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 */
33struct 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
66union 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 */
75struct 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 */
87struct 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
110enum 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
379enum 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
399struct 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