2 * This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet
5 * Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved.
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials
24 * provided with the distribution.
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #include <linux/pci.h>
38 #include "t4vf_common.h"
39 #include "t4vf_defs.h"
41 #include "../cxgb4/t4_regs.h"
42 #include "../cxgb4/t4_values.h"
43 #include "../cxgb4/t4fw_api.h"
46 * Wait for the device to become ready (signified by our "who am I" register
47 * returning a value other than all 1's). Return an error if it doesn't
50 int t4vf_wait_dev_ready(struct adapter
*adapter
)
52 const u32 whoami
= T4VF_PL_BASE_ADDR
+ PL_VF_WHOAMI
;
53 const u32 notready1
= 0xffffffff;
54 const u32 notready2
= 0xeeeeeeee;
57 val
= t4_read_reg(adapter
, whoami
);
58 if (val
!= notready1
&& val
!= notready2
)
61 val
= t4_read_reg(adapter
, whoami
);
62 if (val
!= notready1
&& val
!= notready2
)
69 * Get the reply to a mailbox command and store it in @rpl in big-endian order
70 * (since the firmware data structures are specified in a big-endian layout).
72 static void get_mbox_rpl(struct adapter
*adapter
, __be64
*rpl
, int size
,
75 for ( ; size
; size
-= 8, mbox_data
+= 8)
76 *rpl
++ = cpu_to_be64(t4_read_reg64(adapter
, mbox_data
));
80 * Dump contents of mailbox with a leading tag.
82 static void dump_mbox(struct adapter
*adapter
, const char *tag
, u32 mbox_data
)
84 dev_err(adapter
->pdev_dev
,
85 "mbox %s: %llx %llx %llx %llx %llx %llx %llx %llx\n", tag
,
86 (unsigned long long)t4_read_reg64(adapter
, mbox_data
+ 0),
87 (unsigned long long)t4_read_reg64(adapter
, mbox_data
+ 8),
88 (unsigned long long)t4_read_reg64(adapter
, mbox_data
+ 16),
89 (unsigned long long)t4_read_reg64(adapter
, mbox_data
+ 24),
90 (unsigned long long)t4_read_reg64(adapter
, mbox_data
+ 32),
91 (unsigned long long)t4_read_reg64(adapter
, mbox_data
+ 40),
92 (unsigned long long)t4_read_reg64(adapter
, mbox_data
+ 48),
93 (unsigned long long)t4_read_reg64(adapter
, mbox_data
+ 56));
97 * t4vf_wr_mbox_core - send a command to FW through the mailbox
98 * @adapter: the adapter
99 * @cmd: the command to write
100 * @size: command length in bytes
101 * @rpl: where to optionally store the reply
102 * @sleep_ok: if true we may sleep while awaiting command completion
104 * Sends the given command to FW through the mailbox and waits for the
105 * FW to execute the command. If @rpl is not %NULL it is used to store
106 * the FW's reply to the command. The command and its optional reply
107 * are of the same length. FW can take up to 500 ms to respond.
108 * @sleep_ok determines whether we may sleep while awaiting the response.
109 * If sleeping is allowed we use progressive backoff otherwise we spin.
111 * The return value is 0 on success or a negative errno on failure. A
112 * failure can happen either because we are not able to execute the
113 * command or FW executes it but signals an error. In the latter case
114 * the return value is the error code indicated by FW (negated).
116 int t4vf_wr_mbox_core(struct adapter
*adapter
, const void *cmd
, int size
,
117 void *rpl
, bool sleep_ok
)
119 static const int delay
[] = {
120 1, 1, 3, 5, 10, 10, 20, 50, 100
124 int i
, ms
, delay_idx
;
126 u32 mbox_data
= T4VF_MBDATA_BASE_ADDR
;
127 u32 mbox_ctl
= T4VF_CIM_BASE_ADDR
+ CIM_VF_EXT_MAILBOX_CTRL
;
130 * Commands must be multiples of 16 bytes in length and may not be
131 * larger than the size of the Mailbox Data register array.
133 if ((size
% 16) != 0 ||
134 size
> NUM_CIM_VF_MAILBOX_DATA_INSTANCES
* 4)
138 * Loop trying to get ownership of the mailbox. Return an error
139 * if we can't gain ownership.
141 v
= MBOWNER_G(t4_read_reg(adapter
, mbox_ctl
));
142 for (i
= 0; v
== MBOX_OWNER_NONE
&& i
< 3; i
++)
143 v
= MBOWNER_G(t4_read_reg(adapter
, mbox_ctl
));
144 if (v
!= MBOX_OWNER_DRV
)
145 return v
== MBOX_OWNER_FW
? -EBUSY
: -ETIMEDOUT
;
148 * Write the command array into the Mailbox Data register array and
149 * transfer ownership of the mailbox to the firmware.
151 * For the VFs, the Mailbox Data "registers" are actually backed by
152 * T4's "MA" interface rather than PL Registers (as is the case for
153 * the PFs). Because these are in different coherency domains, the
154 * write to the VF's PL-register-backed Mailbox Control can race in
155 * front of the writes to the MA-backed VF Mailbox Data "registers".
156 * So we need to do a read-back on at least one byte of the VF Mailbox
157 * Data registers before doing the write to the VF Mailbox Control
160 for (i
= 0, p
= cmd
; i
< size
; i
+= 8)
161 t4_write_reg64(adapter
, mbox_data
+ i
, be64_to_cpu(*p
++));
162 t4_read_reg(adapter
, mbox_data
); /* flush write */
164 t4_write_reg(adapter
, mbox_ctl
,
165 MBMSGVALID_F
| MBOWNER_V(MBOX_OWNER_FW
));
166 t4_read_reg(adapter
, mbox_ctl
); /* flush write */
169 * Spin waiting for firmware to acknowledge processing our command.
174 for (i
= 0; i
< FW_CMD_MAX_TIMEOUT
; i
+= ms
) {
176 ms
= delay
[delay_idx
];
177 if (delay_idx
< ARRAY_SIZE(delay
) - 1)
184 * If we're the owner, see if this is the reply we wanted.
186 v
= t4_read_reg(adapter
, mbox_ctl
);
187 if (MBOWNER_G(v
) == MBOX_OWNER_DRV
) {
189 * If the Message Valid bit isn't on, revoke ownership
190 * of the mailbox and continue waiting for our reply.
192 if ((v
& MBMSGVALID_F
) == 0) {
193 t4_write_reg(adapter
, mbox_ctl
,
194 MBOWNER_V(MBOX_OWNER_NONE
));
199 * We now have our reply. Extract the command return
200 * value, copy the reply back to our caller's buffer
201 * (if specified) and revoke ownership of the mailbox.
202 * We return the (negated) firmware command return
203 * code (this depends on FW_SUCCESS == 0).
206 /* return value in low-order little-endian word */
207 v
= t4_read_reg(adapter
, mbox_data
);
208 if (FW_CMD_RETVAL_G(v
))
209 dump_mbox(adapter
, "FW Error", mbox_data
);
212 /* request bit in high-order BE word */
213 WARN_ON((be32_to_cpu(*(const u32
*)cmd
)
214 & FW_CMD_REQUEST_F
) == 0);
215 get_mbox_rpl(adapter
, rpl
, size
, mbox_data
);
216 WARN_ON((be32_to_cpu(*(u32
*)rpl
)
217 & FW_CMD_REQUEST_F
) != 0);
219 t4_write_reg(adapter
, mbox_ctl
,
220 MBOWNER_V(MBOX_OWNER_NONE
));
221 return -FW_CMD_RETVAL_G(v
);
226 * We timed out. Return the error ...
228 dump_mbox(adapter
, "FW Timeout", mbox_data
);
233 * hash_mac_addr - return the hash value of a MAC address
234 * @addr: the 48-bit Ethernet MAC address
236 * Hashes a MAC address according to the hash function used by hardware
237 * inexact (hash) address matching.
239 static int hash_mac_addr(const u8
*addr
)
241 u32 a
= ((u32
)addr
[0] << 16) | ((u32
)addr
[1] << 8) | addr
[2];
242 u32 b
= ((u32
)addr
[3] << 16) | ((u32
)addr
[4] << 8) | addr
[5];
249 #define ADVERT_MASK (FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G |\
250 FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_40G | \
251 FW_PORT_CAP_SPEED_100G | FW_PORT_CAP_ANEG)
254 * init_link_config - initialize a link's SW state
255 * @lc: structure holding the link state
256 * @caps: link capabilities
258 * Initializes the SW state maintained for each link, including the link's
259 * capabilities and default speed/flow-control/autonegotiation settings.
261 static void init_link_config(struct link_config
*lc
, unsigned int caps
)
263 lc
->supported
= caps
;
264 lc
->requested_speed
= 0;
266 lc
->requested_fc
= lc
->fc
= PAUSE_RX
| PAUSE_TX
;
267 if (lc
->supported
& FW_PORT_CAP_ANEG
) {
268 lc
->advertising
= lc
->supported
& ADVERT_MASK
;
269 lc
->autoneg
= AUTONEG_ENABLE
;
270 lc
->requested_fc
|= PAUSE_AUTONEG
;
273 lc
->autoneg
= AUTONEG_DISABLE
;
278 * t4vf_port_init - initialize port hardware/software state
279 * @adapter: the adapter
280 * @pidx: the adapter port index
282 int t4vf_port_init(struct adapter
*adapter
, int pidx
)
284 struct port_info
*pi
= adap2pinfo(adapter
, pidx
);
285 struct fw_vi_cmd vi_cmd
, vi_rpl
;
286 struct fw_port_cmd port_cmd
, port_rpl
;
290 * Execute a VI Read command to get our Virtual Interface information
291 * like MAC address, etc.
293 memset(&vi_cmd
, 0, sizeof(vi_cmd
));
294 vi_cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD
) |
297 vi_cmd
.alloc_to_len16
= cpu_to_be32(FW_LEN16(vi_cmd
));
298 vi_cmd
.type_viid
= cpu_to_be16(FW_VI_CMD_VIID_V(pi
->viid
));
299 v
= t4vf_wr_mbox(adapter
, &vi_cmd
, sizeof(vi_cmd
), &vi_rpl
);
303 BUG_ON(pi
->port_id
!= FW_VI_CMD_PORTID_G(vi_rpl
.portid_pkd
));
304 pi
->rss_size
= FW_VI_CMD_RSSSIZE_G(be16_to_cpu(vi_rpl
.rsssize_pkd
));
305 t4_os_set_hw_addr(adapter
, pidx
, vi_rpl
.mac
);
308 * If we don't have read access to our port information, we're done
309 * now. Otherwise, execute a PORT Read command to get it ...
311 if (!(adapter
->params
.vfres
.r_caps
& FW_CMD_CAP_PORT
))
314 memset(&port_cmd
, 0, sizeof(port_cmd
));
315 port_cmd
.op_to_portid
= cpu_to_be32(FW_CMD_OP_V(FW_PORT_CMD
) |
318 FW_PORT_CMD_PORTID_V(pi
->port_id
));
319 port_cmd
.action_to_len16
=
320 cpu_to_be32(FW_PORT_CMD_ACTION_V(FW_PORT_ACTION_GET_PORT_INFO
) |
322 v
= t4vf_wr_mbox(adapter
, &port_cmd
, sizeof(port_cmd
), &port_rpl
);
326 v
= be32_to_cpu(port_rpl
.u
.info
.lstatus_to_modtype
);
327 pi
->mdio_addr
= (v
& FW_PORT_CMD_MDIOCAP_F
) ?
328 FW_PORT_CMD_MDIOADDR_G(v
) : -1;
329 pi
->port_type
= FW_PORT_CMD_PTYPE_G(v
);
330 pi
->mod_type
= FW_PORT_MOD_TYPE_NA
;
332 init_link_config(&pi
->link_cfg
, be16_to_cpu(port_rpl
.u
.info
.pcap
));
338 * t4vf_fw_reset - issue a reset to FW
339 * @adapter: the adapter
341 * Issues a reset command to FW. For a Physical Function this would
342 * result in the Firmware reseting all of its state. For a Virtual
343 * Function this just resets the state associated with the VF.
345 int t4vf_fw_reset(struct adapter
*adapter
)
347 struct fw_reset_cmd cmd
;
349 memset(&cmd
, 0, sizeof(cmd
));
350 cmd
.op_to_write
= cpu_to_be32(FW_CMD_OP_V(FW_RESET_CMD
) |
352 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
353 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
357 * t4vf_query_params - query FW or device parameters
358 * @adapter: the adapter
359 * @nparams: the number of parameters
360 * @params: the parameter names
361 * @vals: the parameter values
363 * Reads the values of firmware or device parameters. Up to 7 parameters
364 * can be queried at once.
366 static int t4vf_query_params(struct adapter
*adapter
, unsigned int nparams
,
367 const u32
*params
, u32
*vals
)
370 struct fw_params_cmd cmd
, rpl
;
371 struct fw_params_param
*p
;
377 memset(&cmd
, 0, sizeof(cmd
));
378 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_PARAMS_CMD
) |
381 len16
= DIV_ROUND_UP(offsetof(struct fw_params_cmd
,
382 param
[nparams
].mnem
), 16);
383 cmd
.retval_len16
= cpu_to_be32(FW_CMD_LEN16_V(len16
));
384 for (i
= 0, p
= &cmd
.param
[0]; i
< nparams
; i
++, p
++)
385 p
->mnem
= htonl(*params
++);
387 ret
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
389 for (i
= 0, p
= &rpl
.param
[0]; i
< nparams
; i
++, p
++)
390 *vals
++ = be32_to_cpu(p
->val
);
395 * t4vf_set_params - sets FW or device parameters
396 * @adapter: the adapter
397 * @nparams: the number of parameters
398 * @params: the parameter names
399 * @vals: the parameter values
401 * Sets the values of firmware or device parameters. Up to 7 parameters
402 * can be specified at once.
404 int t4vf_set_params(struct adapter
*adapter
, unsigned int nparams
,
405 const u32
*params
, const u32
*vals
)
408 struct fw_params_cmd cmd
;
409 struct fw_params_param
*p
;
415 memset(&cmd
, 0, sizeof(cmd
));
416 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_PARAMS_CMD
) |
419 len16
= DIV_ROUND_UP(offsetof(struct fw_params_cmd
,
420 param
[nparams
]), 16);
421 cmd
.retval_len16
= cpu_to_be32(FW_CMD_LEN16_V(len16
));
422 for (i
= 0, p
= &cmd
.param
[0]; i
< nparams
; i
++, p
++) {
423 p
->mnem
= cpu_to_be32(*params
++);
424 p
->val
= cpu_to_be32(*vals
++);
427 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
431 * t4_bar2_sge_qregs - return BAR2 SGE Queue register information
432 * @adapter: the adapter
434 * @qtype: the Ingress or Egress type for @qid
435 * @pbar2_qoffset: BAR2 Queue Offset
436 * @pbar2_qid: BAR2 Queue ID or 0 for Queue ID inferred SGE Queues
438 * Returns the BAR2 SGE Queue Registers information associated with the
439 * indicated Absolute Queue ID. These are passed back in return value
440 * pointers. @qtype should be T4_BAR2_QTYPE_EGRESS for Egress Queue
441 * and T4_BAR2_QTYPE_INGRESS for Ingress Queues.
443 * This may return an error which indicates that BAR2 SGE Queue
444 * registers aren't available. If an error is not returned, then the
445 * following values are returned:
447 * *@pbar2_qoffset: the BAR2 Offset of the @qid Registers
448 * *@pbar2_qid: the BAR2 SGE Queue ID or 0 of @qid
450 * If the returned BAR2 Queue ID is 0, then BAR2 SGE registers which
451 * require the "Inferred Queue ID" ability may be used. E.g. the
452 * Write Combining Doorbell Buffer. If the BAR2 Queue ID is not 0,
453 * then these "Inferred Queue ID" register may not be used.
455 int t4_bar2_sge_qregs(struct adapter
*adapter
,
457 enum t4_bar2_qtype qtype
,
459 unsigned int *pbar2_qid
)
461 unsigned int page_shift
, page_size
, qpp_shift
, qpp_mask
;
462 u64 bar2_page_offset
, bar2_qoffset
;
463 unsigned int bar2_qid
, bar2_qid_offset
, bar2_qinferred
;
465 /* T4 doesn't support BAR2 SGE Queue registers.
467 if (is_t4(adapter
->params
.chip
))
470 /* Get our SGE Page Size parameters.
472 page_shift
= adapter
->params
.sge
.sge_vf_hps
+ 10;
473 page_size
= 1 << page_shift
;
475 /* Get the right Queues per Page parameters for our Queue.
477 qpp_shift
= (qtype
== T4_BAR2_QTYPE_EGRESS
478 ? adapter
->params
.sge
.sge_vf_eq_qpp
479 : adapter
->params
.sge
.sge_vf_iq_qpp
);
480 qpp_mask
= (1 << qpp_shift
) - 1;
482 /* Calculate the basics of the BAR2 SGE Queue register area:
483 * o The BAR2 page the Queue registers will be in.
484 * o The BAR2 Queue ID.
485 * o The BAR2 Queue ID Offset into the BAR2 page.
487 bar2_page_offset
= ((qid
>> qpp_shift
) << page_shift
);
488 bar2_qid
= qid
& qpp_mask
;
489 bar2_qid_offset
= bar2_qid
* SGE_UDB_SIZE
;
491 /* If the BAR2 Queue ID Offset is less than the Page Size, then the
492 * hardware will infer the Absolute Queue ID simply from the writes to
493 * the BAR2 Queue ID Offset within the BAR2 Page (and we need to use a
494 * BAR2 Queue ID of 0 for those writes). Otherwise, we'll simply
495 * write to the first BAR2 SGE Queue Area within the BAR2 Page with
496 * the BAR2 Queue ID and the hardware will infer the Absolute Queue ID
497 * from the BAR2 Page and BAR2 Queue ID.
499 * One important censequence of this is that some BAR2 SGE registers
500 * have a "Queue ID" field and we can write the BAR2 SGE Queue ID
501 * there. But other registers synthesize the SGE Queue ID purely
502 * from the writes to the registers -- the Write Combined Doorbell
503 * Buffer is a good example. These BAR2 SGE Registers are only
504 * available for those BAR2 SGE Register areas where the SGE Absolute
505 * Queue ID can be inferred from simple writes.
507 bar2_qoffset
= bar2_page_offset
;
508 bar2_qinferred
= (bar2_qid_offset
< page_size
);
509 if (bar2_qinferred
) {
510 bar2_qoffset
+= bar2_qid_offset
;
514 *pbar2_qoffset
= bar2_qoffset
;
515 *pbar2_qid
= bar2_qid
;
520 * t4vf_get_sge_params - retrieve adapter Scatter gather Engine parameters
521 * @adapter: the adapter
523 * Retrieves various core SGE parameters in the form of hardware SGE
524 * register values. The caller is responsible for decoding these as
525 * needed. The SGE parameters are stored in @adapter->params.sge.
527 int t4vf_get_sge_params(struct adapter
*adapter
)
529 struct sge_params
*sge_params
= &adapter
->params
.sge
;
530 u32 params
[7], vals
[7];
533 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
534 FW_PARAMS_PARAM_XYZ_V(SGE_CONTROL_A
));
535 params
[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
536 FW_PARAMS_PARAM_XYZ_V(SGE_HOST_PAGE_SIZE_A
));
537 params
[2] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
538 FW_PARAMS_PARAM_XYZ_V(SGE_FL_BUFFER_SIZE0_A
));
539 params
[3] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
540 FW_PARAMS_PARAM_XYZ_V(SGE_FL_BUFFER_SIZE1_A
));
541 params
[4] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
542 FW_PARAMS_PARAM_XYZ_V(SGE_TIMER_VALUE_0_AND_1_A
));
543 params
[5] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
544 FW_PARAMS_PARAM_XYZ_V(SGE_TIMER_VALUE_2_AND_3_A
));
545 params
[6] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
546 FW_PARAMS_PARAM_XYZ_V(SGE_TIMER_VALUE_4_AND_5_A
));
547 v
= t4vf_query_params(adapter
, 7, params
, vals
);
550 sge_params
->sge_control
= vals
[0];
551 sge_params
->sge_host_page_size
= vals
[1];
552 sge_params
->sge_fl_buffer_size
[0] = vals
[2];
553 sge_params
->sge_fl_buffer_size
[1] = vals
[3];
554 sge_params
->sge_timer_value_0_and_1
= vals
[4];
555 sge_params
->sge_timer_value_2_and_3
= vals
[5];
556 sge_params
->sge_timer_value_4_and_5
= vals
[6];
558 /* T4 uses a single control field to specify both the PCIe Padding and
559 * Packing Boundary. T5 introduced the ability to specify these
560 * separately with the Padding Boundary in SGE_CONTROL and and Packing
561 * Boundary in SGE_CONTROL2. So for T5 and later we need to grab
562 * SGE_CONTROL in order to determine how ingress packet data will be
563 * laid out in Packed Buffer Mode. Unfortunately, older versions of
564 * the firmware won't let us retrieve SGE_CONTROL2 so if we get a
565 * failure grabbing it we throw an error since we can't figure out the
568 if (!is_t4(adapter
->params
.chip
)) {
569 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
570 FW_PARAMS_PARAM_XYZ_V(SGE_CONTROL2_A
));
571 v
= t4vf_query_params(adapter
, 1, params
, vals
);
572 if (v
!= FW_SUCCESS
) {
573 dev_err(adapter
->pdev_dev
,
574 "Unable to get SGE Control2; "
575 "probably old firmware.\n");
578 sge_params
->sge_control2
= vals
[0];
581 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
582 FW_PARAMS_PARAM_XYZ_V(SGE_INGRESS_RX_THRESHOLD_A
));
583 params
[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
584 FW_PARAMS_PARAM_XYZ_V(SGE_CONM_CTRL_A
));
585 v
= t4vf_query_params(adapter
, 2, params
, vals
);
588 sge_params
->sge_ingress_rx_threshold
= vals
[0];
589 sge_params
->sge_congestion_control
= vals
[1];
591 /* For T5 and later we want to use the new BAR2 Doorbells.
592 * Unfortunately, older firmware didn't allow the this register to be
595 if (!is_t4(adapter
->params
.chip
)) {
597 unsigned int pf
, s_hps
, s_qpp
;
599 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
600 FW_PARAMS_PARAM_XYZ_V(
601 SGE_EGRESS_QUEUES_PER_PAGE_VF_A
));
602 params
[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
603 FW_PARAMS_PARAM_XYZ_V(
604 SGE_INGRESS_QUEUES_PER_PAGE_VF_A
));
605 v
= t4vf_query_params(adapter
, 2, params
, vals
);
606 if (v
!= FW_SUCCESS
) {
607 dev_warn(adapter
->pdev_dev
,
608 "Unable to get VF SGE Queues/Page; "
609 "probably old firmware.\n");
612 sge_params
->sge_egress_queues_per_page
= vals
[0];
613 sge_params
->sge_ingress_queues_per_page
= vals
[1];
615 /* We need the Queues/Page for our VF. This is based on the
616 * PF from which we're instantiated and is indexed in the
617 * register we just read. Do it once here so other code in
618 * the driver can just use it.
620 whoami
= t4_read_reg(adapter
,
621 T4VF_PL_BASE_ADDR
+ PL_VF_WHOAMI_A
);
622 pf
= SOURCEPF_G(whoami
);
624 s_hps
= (HOSTPAGESIZEPF0_S
+
625 (HOSTPAGESIZEPF1_S
- HOSTPAGESIZEPF0_S
) * pf
);
626 sge_params
->sge_vf_hps
=
627 ((sge_params
->sge_host_page_size
>> s_hps
)
628 & HOSTPAGESIZEPF0_M
);
630 s_qpp
= (QUEUESPERPAGEPF0_S
+
631 (QUEUESPERPAGEPF1_S
- QUEUESPERPAGEPF0_S
) * pf
);
632 sge_params
->sge_vf_eq_qpp
=
633 ((sge_params
->sge_egress_queues_per_page
>> s_qpp
)
634 & QUEUESPERPAGEPF0_M
);
635 sge_params
->sge_vf_iq_qpp
=
636 ((sge_params
->sge_ingress_queues_per_page
>> s_qpp
)
637 & QUEUESPERPAGEPF0_M
);
644 * t4vf_get_vpd_params - retrieve device VPD paremeters
645 * @adapter: the adapter
647 * Retrives various device Vital Product Data parameters. The parameters
648 * are stored in @adapter->params.vpd.
650 int t4vf_get_vpd_params(struct adapter
*adapter
)
652 struct vpd_params
*vpd_params
= &adapter
->params
.vpd
;
653 u32 params
[7], vals
[7];
656 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV
) |
657 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_CCLK
));
658 v
= t4vf_query_params(adapter
, 1, params
, vals
);
661 vpd_params
->cclk
= vals
[0];
667 * t4vf_get_dev_params - retrieve device paremeters
668 * @adapter: the adapter
670 * Retrives various device parameters. The parameters are stored in
671 * @adapter->params.dev.
673 int t4vf_get_dev_params(struct adapter
*adapter
)
675 struct dev_params
*dev_params
= &adapter
->params
.dev
;
676 u32 params
[7], vals
[7];
679 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV
) |
680 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_FWREV
));
681 params
[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV
) |
682 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_TPREV
));
683 v
= t4vf_query_params(adapter
, 2, params
, vals
);
686 dev_params
->fwrev
= vals
[0];
687 dev_params
->tprev
= vals
[1];
693 * t4vf_get_rss_glb_config - retrieve adapter RSS Global Configuration
694 * @adapter: the adapter
696 * Retrieves global RSS mode and parameters with which we have to live
697 * and stores them in the @adapter's RSS parameters.
699 int t4vf_get_rss_glb_config(struct adapter
*adapter
)
701 struct rss_params
*rss
= &adapter
->params
.rss
;
702 struct fw_rss_glb_config_cmd cmd
, rpl
;
706 * Execute an RSS Global Configuration read command to retrieve
707 * our RSS configuration.
709 memset(&cmd
, 0, sizeof(cmd
));
710 cmd
.op_to_write
= cpu_to_be32(FW_CMD_OP_V(FW_RSS_GLB_CONFIG_CMD
) |
713 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
714 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
719 * Transate the big-endian RSS Global Configuration into our
720 * cpu-endian format based on the RSS mode. We also do first level
721 * filtering at this point to weed out modes which don't support
724 rss
->mode
= FW_RSS_GLB_CONFIG_CMD_MODE_G(
725 be32_to_cpu(rpl
.u
.manual
.mode_pkd
));
727 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL
: {
728 u32 word
= be32_to_cpu(
729 rpl
.u
.basicvirtual
.synmapen_to_hashtoeplitz
);
731 rss
->u
.basicvirtual
.synmapen
=
732 ((word
& FW_RSS_GLB_CONFIG_CMD_SYNMAPEN_F
) != 0);
733 rss
->u
.basicvirtual
.syn4tupenipv6
=
734 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6_F
) != 0);
735 rss
->u
.basicvirtual
.syn2tupenipv6
=
736 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6_F
) != 0);
737 rss
->u
.basicvirtual
.syn4tupenipv4
=
738 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4_F
) != 0);
739 rss
->u
.basicvirtual
.syn2tupenipv4
=
740 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4_F
) != 0);
742 rss
->u
.basicvirtual
.ofdmapen
=
743 ((word
& FW_RSS_GLB_CONFIG_CMD_OFDMAPEN_F
) != 0);
745 rss
->u
.basicvirtual
.tnlmapen
=
746 ((word
& FW_RSS_GLB_CONFIG_CMD_TNLMAPEN_F
) != 0);
747 rss
->u
.basicvirtual
.tnlalllookup
=
748 ((word
& FW_RSS_GLB_CONFIG_CMD_TNLALLLKP_F
) != 0);
750 rss
->u
.basicvirtual
.hashtoeplitz
=
751 ((word
& FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ_F
) != 0);
753 /* we need at least Tunnel Map Enable to be set */
754 if (!rss
->u
.basicvirtual
.tnlmapen
)
760 /* all unknown/unsupported RSS modes result in an error */
768 * t4vf_get_vfres - retrieve VF resource limits
769 * @adapter: the adapter
771 * Retrieves configured resource limits and capabilities for a virtual
772 * function. The results are stored in @adapter->vfres.
774 int t4vf_get_vfres(struct adapter
*adapter
)
776 struct vf_resources
*vfres
= &adapter
->params
.vfres
;
777 struct fw_pfvf_cmd cmd
, rpl
;
782 * Execute PFVF Read command to get VF resource limits; bail out early
783 * with error on command failure.
785 memset(&cmd
, 0, sizeof(cmd
));
786 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_PFVF_CMD
) |
789 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
790 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
795 * Extract VF resource limits and return success.
797 word
= be32_to_cpu(rpl
.niqflint_niq
);
798 vfres
->niqflint
= FW_PFVF_CMD_NIQFLINT_G(word
);
799 vfres
->niq
= FW_PFVF_CMD_NIQ_G(word
);
801 word
= be32_to_cpu(rpl
.type_to_neq
);
802 vfres
->neq
= FW_PFVF_CMD_NEQ_G(word
);
803 vfres
->pmask
= FW_PFVF_CMD_PMASK_G(word
);
805 word
= be32_to_cpu(rpl
.tc_to_nexactf
);
806 vfres
->tc
= FW_PFVF_CMD_TC_G(word
);
807 vfres
->nvi
= FW_PFVF_CMD_NVI_G(word
);
808 vfres
->nexactf
= FW_PFVF_CMD_NEXACTF_G(word
);
810 word
= be32_to_cpu(rpl
.r_caps_to_nethctrl
);
811 vfres
->r_caps
= FW_PFVF_CMD_R_CAPS_G(word
);
812 vfres
->wx_caps
= FW_PFVF_CMD_WX_CAPS_G(word
);
813 vfres
->nethctrl
= FW_PFVF_CMD_NETHCTRL_G(word
);
819 * t4vf_read_rss_vi_config - read a VI's RSS configuration
820 * @adapter: the adapter
821 * @viid: Virtual Interface ID
822 * @config: pointer to host-native VI RSS Configuration buffer
824 * Reads the Virtual Interface's RSS configuration information and
825 * translates it into CPU-native format.
827 int t4vf_read_rss_vi_config(struct adapter
*adapter
, unsigned int viid
,
828 union rss_vi_config
*config
)
830 struct fw_rss_vi_config_cmd cmd
, rpl
;
833 memset(&cmd
, 0, sizeof(cmd
));
834 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_RSS_VI_CONFIG_CMD
) |
837 FW_RSS_VI_CONFIG_CMD_VIID(viid
));
838 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
839 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
843 switch (adapter
->params
.rss
.mode
) {
844 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL
: {
845 u32 word
= be32_to_cpu(rpl
.u
.basicvirtual
.defaultq_to_udpen
);
847 config
->basicvirtual
.ip6fourtupen
=
848 ((word
& FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F
) != 0);
849 config
->basicvirtual
.ip6twotupen
=
850 ((word
& FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F
) != 0);
851 config
->basicvirtual
.ip4fourtupen
=
852 ((word
& FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F
) != 0);
853 config
->basicvirtual
.ip4twotupen
=
854 ((word
& FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F
) != 0);
855 config
->basicvirtual
.udpen
=
856 ((word
& FW_RSS_VI_CONFIG_CMD_UDPEN_F
) != 0);
857 config
->basicvirtual
.defaultq
=
858 FW_RSS_VI_CONFIG_CMD_DEFAULTQ_G(word
);
870 * t4vf_write_rss_vi_config - write a VI's RSS configuration
871 * @adapter: the adapter
872 * @viid: Virtual Interface ID
873 * @config: pointer to host-native VI RSS Configuration buffer
875 * Write the Virtual Interface's RSS configuration information
876 * (translating it into firmware-native format before writing).
878 int t4vf_write_rss_vi_config(struct adapter
*adapter
, unsigned int viid
,
879 union rss_vi_config
*config
)
881 struct fw_rss_vi_config_cmd cmd
, rpl
;
883 memset(&cmd
, 0, sizeof(cmd
));
884 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_RSS_VI_CONFIG_CMD
) |
887 FW_RSS_VI_CONFIG_CMD_VIID(viid
));
888 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
889 switch (adapter
->params
.rss
.mode
) {
890 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL
: {
893 if (config
->basicvirtual
.ip6fourtupen
)
894 word
|= FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F
;
895 if (config
->basicvirtual
.ip6twotupen
)
896 word
|= FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F
;
897 if (config
->basicvirtual
.ip4fourtupen
)
898 word
|= FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F
;
899 if (config
->basicvirtual
.ip4twotupen
)
900 word
|= FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F
;
901 if (config
->basicvirtual
.udpen
)
902 word
|= FW_RSS_VI_CONFIG_CMD_UDPEN_F
;
903 word
|= FW_RSS_VI_CONFIG_CMD_DEFAULTQ_V(
904 config
->basicvirtual
.defaultq
);
905 cmd
.u
.basicvirtual
.defaultq_to_udpen
= cpu_to_be32(word
);
913 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
917 * t4vf_config_rss_range - configure a portion of the RSS mapping table
918 * @adapter: the adapter
919 * @viid: Virtual Interface of RSS Table Slice
920 * @start: starting entry in the table to write
921 * @n: how many table entries to write
922 * @rspq: values for the "Response Queue" (Ingress Queue) lookup table
923 * @nrspq: number of values in @rspq
925 * Programs the selected part of the VI's RSS mapping table with the
926 * provided values. If @nrspq < @n the supplied values are used repeatedly
927 * until the full table range is populated.
929 * The caller must ensure the values in @rspq are in the range 0..1023.
931 int t4vf_config_rss_range(struct adapter
*adapter
, unsigned int viid
,
932 int start
, int n
, const u16
*rspq
, int nrspq
)
934 const u16
*rsp
= rspq
;
935 const u16
*rsp_end
= rspq
+nrspq
;
936 struct fw_rss_ind_tbl_cmd cmd
;
939 * Initialize firmware command template to write the RSS table.
941 memset(&cmd
, 0, sizeof(cmd
));
942 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_RSS_IND_TBL_CMD
) |
945 FW_RSS_IND_TBL_CMD_VIID_V(viid
));
946 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
949 * Each firmware RSS command can accommodate up to 32 RSS Ingress
950 * Queue Identifiers. These Ingress Queue IDs are packed three to
951 * a 32-bit word as 10-bit values with the upper remaining 2 bits
955 __be32
*qp
= &cmd
.iq0_to_iq2
;
960 * Set up the firmware RSS command header to send the next
961 * "nq" Ingress Queue IDs to the firmware.
963 cmd
.niqid
= cpu_to_be16(nq
);
964 cmd
.startidx
= cpu_to_be16(start
);
967 * "nq" more done for the start of the next loop.
973 * While there are still Ingress Queue IDs to stuff into the
974 * current firmware RSS command, retrieve them from the
975 * Ingress Queue ID array and insert them into the command.
979 * Grab up to the next 3 Ingress Queue IDs (wrapping
980 * around the Ingress Queue ID array if necessary) and
981 * insert them into the firmware RSS command at the
982 * current 3-tuple position within the commad.
986 int nqbuf
= min(3, nq
);
989 qbuf
[0] = qbuf
[1] = qbuf
[2] = 0;
996 *qp
++ = cpu_to_be32(FW_RSS_IND_TBL_CMD_IQ0_V(qbuf
[0]) |
997 FW_RSS_IND_TBL_CMD_IQ1_V(qbuf
[1]) |
998 FW_RSS_IND_TBL_CMD_IQ2_V(qbuf
[2]));
1002 * Send this portion of the RRS table update to the firmware;
1003 * bail out on any errors.
1005 ret
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1013 * t4vf_alloc_vi - allocate a virtual interface on a port
1014 * @adapter: the adapter
1015 * @port_id: physical port associated with the VI
1017 * Allocate a new Virtual Interface and bind it to the indicated
1018 * physical port. Return the new Virtual Interface Identifier on
1019 * success, or a [negative] error number on failure.
1021 int t4vf_alloc_vi(struct adapter
*adapter
, int port_id
)
1023 struct fw_vi_cmd cmd
, rpl
;
1027 * Execute a VI command to allocate Virtual Interface and return its
1030 memset(&cmd
, 0, sizeof(cmd
));
1031 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD
) |
1035 cmd
.alloc_to_len16
= cpu_to_be32(FW_LEN16(cmd
) |
1037 cmd
.portid_pkd
= FW_VI_CMD_PORTID_V(port_id
);
1038 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
1042 return FW_VI_CMD_VIID_G(be16_to_cpu(rpl
.type_viid
));
1046 * t4vf_free_vi -- free a virtual interface
1047 * @adapter: the adapter
1048 * @viid: the virtual interface identifier
1050 * Free a previously allocated Virtual Interface. Return an error on
1053 int t4vf_free_vi(struct adapter
*adapter
, int viid
)
1055 struct fw_vi_cmd cmd
;
1058 * Execute a VI command to free the Virtual Interface.
1060 memset(&cmd
, 0, sizeof(cmd
));
1061 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD
) |
1064 cmd
.alloc_to_len16
= cpu_to_be32(FW_LEN16(cmd
) |
1066 cmd
.type_viid
= cpu_to_be16(FW_VI_CMD_VIID_V(viid
));
1067 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1071 * t4vf_enable_vi - enable/disable a virtual interface
1072 * @adapter: the adapter
1073 * @viid: the Virtual Interface ID
1074 * @rx_en: 1=enable Rx, 0=disable Rx
1075 * @tx_en: 1=enable Tx, 0=disable Tx
1077 * Enables/disables a virtual interface.
1079 int t4vf_enable_vi(struct adapter
*adapter
, unsigned int viid
,
1080 bool rx_en
, bool tx_en
)
1082 struct fw_vi_enable_cmd cmd
;
1084 memset(&cmd
, 0, sizeof(cmd
));
1085 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_ENABLE_CMD
) |
1088 FW_VI_ENABLE_CMD_VIID_V(viid
));
1089 cmd
.ien_to_len16
= cpu_to_be32(FW_VI_ENABLE_CMD_IEN_V(rx_en
) |
1090 FW_VI_ENABLE_CMD_EEN_V(tx_en
) |
1092 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1096 * t4vf_identify_port - identify a VI's port by blinking its LED
1097 * @adapter: the adapter
1098 * @viid: the Virtual Interface ID
1099 * @nblinks: how many times to blink LED at 2.5 Hz
1101 * Identifies a VI's port by blinking its LED.
1103 int t4vf_identify_port(struct adapter
*adapter
, unsigned int viid
,
1104 unsigned int nblinks
)
1106 struct fw_vi_enable_cmd cmd
;
1108 memset(&cmd
, 0, sizeof(cmd
));
1109 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_ENABLE_CMD
) |
1112 FW_VI_ENABLE_CMD_VIID_V(viid
));
1113 cmd
.ien_to_len16
= cpu_to_be32(FW_VI_ENABLE_CMD_LED_F
|
1115 cmd
.blinkdur
= cpu_to_be16(nblinks
);
1116 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1120 * t4vf_set_rxmode - set Rx properties of a virtual interface
1121 * @adapter: the adapter
1123 * @mtu: the new MTU or -1 for no change
1124 * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change
1125 * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change
1126 * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change
1127 * @vlanex: 1 to enable hardware VLAN Tag extraction, 0 to disable it,
1130 * Sets Rx properties of a virtual interface.
1132 int t4vf_set_rxmode(struct adapter
*adapter
, unsigned int viid
,
1133 int mtu
, int promisc
, int all_multi
, int bcast
, int vlanex
,
1136 struct fw_vi_rxmode_cmd cmd
;
1138 /* convert to FW values */
1140 mtu
= FW_VI_RXMODE_CMD_MTU_M
;
1142 promisc
= FW_VI_RXMODE_CMD_PROMISCEN_M
;
1144 all_multi
= FW_VI_RXMODE_CMD_ALLMULTIEN_M
;
1146 bcast
= FW_VI_RXMODE_CMD_BROADCASTEN_M
;
1148 vlanex
= FW_VI_RXMODE_CMD_VLANEXEN_M
;
1150 memset(&cmd
, 0, sizeof(cmd
));
1151 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_RXMODE_CMD
) |
1154 FW_VI_RXMODE_CMD_VIID_V(viid
));
1155 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
1156 cmd
.mtu_to_vlanexen
=
1157 cpu_to_be32(FW_VI_RXMODE_CMD_MTU_V(mtu
) |
1158 FW_VI_RXMODE_CMD_PROMISCEN_V(promisc
) |
1159 FW_VI_RXMODE_CMD_ALLMULTIEN_V(all_multi
) |
1160 FW_VI_RXMODE_CMD_BROADCASTEN_V(bcast
) |
1161 FW_VI_RXMODE_CMD_VLANEXEN_V(vlanex
));
1162 return t4vf_wr_mbox_core(adapter
, &cmd
, sizeof(cmd
), NULL
, sleep_ok
);
1166 * t4vf_alloc_mac_filt - allocates exact-match filters for MAC addresses
1167 * @adapter: the adapter
1168 * @viid: the Virtual Interface Identifier
1169 * @free: if true any existing filters for this VI id are first removed
1170 * @naddr: the number of MAC addresses to allocate filters for (up to 7)
1171 * @addr: the MAC address(es)
1172 * @idx: where to store the index of each allocated filter
1173 * @hash: pointer to hash address filter bitmap
1174 * @sleep_ok: call is allowed to sleep
1176 * Allocates an exact-match filter for each of the supplied addresses and
1177 * sets it to the corresponding address. If @idx is not %NULL it should
1178 * have at least @naddr entries, each of which will be set to the index of
1179 * the filter allocated for the corresponding MAC address. If a filter
1180 * could not be allocated for an address its index is set to 0xffff.
1181 * If @hash is not %NULL addresses that fail to allocate an exact filter
1182 * are hashed and update the hash filter bitmap pointed at by @hash.
1184 * Returns a negative error number or the number of filters allocated.
1186 int t4vf_alloc_mac_filt(struct adapter
*adapter
, unsigned int viid
, bool free
,
1187 unsigned int naddr
, const u8
**addr
, u16
*idx
,
1188 u64
*hash
, bool sleep_ok
)
1190 int offset
, ret
= 0;
1191 unsigned nfilters
= 0;
1192 unsigned int rem
= naddr
;
1193 struct fw_vi_mac_cmd cmd
, rpl
;
1194 unsigned int max_naddr
= is_t4(adapter
->params
.chip
) ?
1195 NUM_MPS_CLS_SRAM_L_INSTANCES
:
1196 NUM_MPS_T5_CLS_SRAM_L_INSTANCES
;
1198 if (naddr
> max_naddr
)
1201 for (offset
= 0; offset
< naddr
; /**/) {
1202 unsigned int fw_naddr
= (rem
< ARRAY_SIZE(cmd
.u
.exact
)
1204 : ARRAY_SIZE(cmd
.u
.exact
));
1205 size_t len16
= DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd
,
1206 u
.exact
[fw_naddr
]), 16);
1207 struct fw_vi_mac_exact
*p
;
1210 memset(&cmd
, 0, sizeof(cmd
));
1211 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD
) |
1214 (free
? FW_CMD_EXEC_F
: 0) |
1215 FW_VI_MAC_CMD_VIID_V(viid
));
1216 cmd
.freemacs_to_len16
=
1217 cpu_to_be32(FW_VI_MAC_CMD_FREEMACS_V(free
) |
1218 FW_CMD_LEN16_V(len16
));
1220 for (i
= 0, p
= cmd
.u
.exact
; i
< fw_naddr
; i
++, p
++) {
1221 p
->valid_to_idx
= cpu_to_be16(
1222 FW_VI_MAC_CMD_VALID_F
|
1223 FW_VI_MAC_CMD_IDX_V(FW_VI_MAC_ADD_MAC
));
1224 memcpy(p
->macaddr
, addr
[offset
+i
], sizeof(p
->macaddr
));
1228 ret
= t4vf_wr_mbox_core(adapter
, &cmd
, sizeof(cmd
), &rpl
,
1230 if (ret
&& ret
!= -ENOMEM
)
1233 for (i
= 0, p
= rpl
.u
.exact
; i
< fw_naddr
; i
++, p
++) {
1234 u16 index
= FW_VI_MAC_CMD_IDX_G(
1235 be16_to_cpu(p
->valid_to_idx
));
1242 if (index
< max_naddr
)
1245 *hash
|= (1ULL << hash_mac_addr(addr
[offset
+i
]));
1254 * If there were no errors or we merely ran out of room in our MAC
1255 * address arena, return the number of filters actually written.
1257 if (ret
== 0 || ret
== -ENOMEM
)
1263 * t4vf_change_mac - modifies the exact-match filter for a MAC address
1264 * @adapter: the adapter
1265 * @viid: the Virtual Interface ID
1266 * @idx: index of existing filter for old value of MAC address, or -1
1267 * @addr: the new MAC address value
1268 * @persist: if idx < 0, the new MAC allocation should be persistent
1270 * Modifies an exact-match filter and sets it to the new MAC address.
1271 * Note that in general it is not possible to modify the value of a given
1272 * filter so the generic way to modify an address filter is to free the
1273 * one being used by the old address value and allocate a new filter for
1274 * the new address value. @idx can be -1 if the address is a new
1277 * Returns a negative error number or the index of the filter with the new
1280 int t4vf_change_mac(struct adapter
*adapter
, unsigned int viid
,
1281 int idx
, const u8
*addr
, bool persist
)
1284 struct fw_vi_mac_cmd cmd
, rpl
;
1285 struct fw_vi_mac_exact
*p
= &cmd
.u
.exact
[0];
1286 size_t len16
= DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd
,
1288 unsigned int max_naddr
= is_t4(adapter
->params
.chip
) ?
1289 NUM_MPS_CLS_SRAM_L_INSTANCES
:
1290 NUM_MPS_T5_CLS_SRAM_L_INSTANCES
;
1293 * If this is a new allocation, determine whether it should be
1294 * persistent (across a "freemacs" operation) or not.
1297 idx
= persist
? FW_VI_MAC_ADD_PERSIST_MAC
: FW_VI_MAC_ADD_MAC
;
1299 memset(&cmd
, 0, sizeof(cmd
));
1300 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD
) |
1303 FW_VI_MAC_CMD_VIID_V(viid
));
1304 cmd
.freemacs_to_len16
= cpu_to_be32(FW_CMD_LEN16_V(len16
));
1305 p
->valid_to_idx
= cpu_to_be16(FW_VI_MAC_CMD_VALID_F
|
1306 FW_VI_MAC_CMD_IDX_V(idx
));
1307 memcpy(p
->macaddr
, addr
, sizeof(p
->macaddr
));
1309 ret
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
1311 p
= &rpl
.u
.exact
[0];
1312 ret
= FW_VI_MAC_CMD_IDX_G(be16_to_cpu(p
->valid_to_idx
));
1313 if (ret
>= max_naddr
)
1320 * t4vf_set_addr_hash - program the MAC inexact-match hash filter
1321 * @adapter: the adapter
1322 * @viid: the Virtual Interface Identifier
1323 * @ucast: whether the hash filter should also match unicast addresses
1324 * @vec: the value to be written to the hash filter
1325 * @sleep_ok: call is allowed to sleep
1327 * Sets the 64-bit inexact-match hash filter for a virtual interface.
1329 int t4vf_set_addr_hash(struct adapter
*adapter
, unsigned int viid
,
1330 bool ucast
, u64 vec
, bool sleep_ok
)
1332 struct fw_vi_mac_cmd cmd
;
1333 size_t len16
= DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd
,
1336 memset(&cmd
, 0, sizeof(cmd
));
1337 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD
) |
1340 FW_VI_ENABLE_CMD_VIID_V(viid
));
1341 cmd
.freemacs_to_len16
= cpu_to_be32(FW_VI_MAC_CMD_HASHVECEN_F
|
1342 FW_VI_MAC_CMD_HASHUNIEN_V(ucast
) |
1343 FW_CMD_LEN16_V(len16
));
1344 cmd
.u
.hash
.hashvec
= cpu_to_be64(vec
);
1345 return t4vf_wr_mbox_core(adapter
, &cmd
, sizeof(cmd
), NULL
, sleep_ok
);
1349 * t4vf_get_port_stats - collect "port" statistics
1350 * @adapter: the adapter
1351 * @pidx: the port index
1352 * @s: the stats structure to fill
1354 * Collect statistics for the "port"'s Virtual Interface.
1356 int t4vf_get_port_stats(struct adapter
*adapter
, int pidx
,
1357 struct t4vf_port_stats
*s
)
1359 struct port_info
*pi
= adap2pinfo(adapter
, pidx
);
1360 struct fw_vi_stats_vf fwstats
;
1361 unsigned int rem
= VI_VF_NUM_STATS
;
1362 __be64
*fwsp
= (__be64
*)&fwstats
;
1365 * Grab the Virtual Interface statistics a chunk at a time via mailbox
1366 * commands. We could use a Work Request and get all of them at once
1367 * but that's an asynchronous interface which is awkward to use.
1370 unsigned int ix
= VI_VF_NUM_STATS
- rem
;
1371 unsigned int nstats
= min(6U, rem
);
1372 struct fw_vi_stats_cmd cmd
, rpl
;
1373 size_t len
= (offsetof(struct fw_vi_stats_cmd
, u
) +
1374 sizeof(struct fw_vi_stats_ctl
));
1375 size_t len16
= DIV_ROUND_UP(len
, 16);
1378 memset(&cmd
, 0, sizeof(cmd
));
1379 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_STATS_CMD
) |
1380 FW_VI_STATS_CMD_VIID_V(pi
->viid
) |
1383 cmd
.retval_len16
= cpu_to_be32(FW_CMD_LEN16_V(len16
));
1384 cmd
.u
.ctl
.nstats_ix
=
1385 cpu_to_be16(FW_VI_STATS_CMD_IX_V(ix
) |
1386 FW_VI_STATS_CMD_NSTATS_V(nstats
));
1387 ret
= t4vf_wr_mbox_ns(adapter
, &cmd
, len
, &rpl
);
1391 memcpy(fwsp
, &rpl
.u
.ctl
.stat0
, sizeof(__be64
) * nstats
);
1398 * Translate firmware statistics into host native statistics.
1400 s
->tx_bcast_bytes
= be64_to_cpu(fwstats
.tx_bcast_bytes
);
1401 s
->tx_bcast_frames
= be64_to_cpu(fwstats
.tx_bcast_frames
);
1402 s
->tx_mcast_bytes
= be64_to_cpu(fwstats
.tx_mcast_bytes
);
1403 s
->tx_mcast_frames
= be64_to_cpu(fwstats
.tx_mcast_frames
);
1404 s
->tx_ucast_bytes
= be64_to_cpu(fwstats
.tx_ucast_bytes
);
1405 s
->tx_ucast_frames
= be64_to_cpu(fwstats
.tx_ucast_frames
);
1406 s
->tx_drop_frames
= be64_to_cpu(fwstats
.tx_drop_frames
);
1407 s
->tx_offload_bytes
= be64_to_cpu(fwstats
.tx_offload_bytes
);
1408 s
->tx_offload_frames
= be64_to_cpu(fwstats
.tx_offload_frames
);
1410 s
->rx_bcast_bytes
= be64_to_cpu(fwstats
.rx_bcast_bytes
);
1411 s
->rx_bcast_frames
= be64_to_cpu(fwstats
.rx_bcast_frames
);
1412 s
->rx_mcast_bytes
= be64_to_cpu(fwstats
.rx_mcast_bytes
);
1413 s
->rx_mcast_frames
= be64_to_cpu(fwstats
.rx_mcast_frames
);
1414 s
->rx_ucast_bytes
= be64_to_cpu(fwstats
.rx_ucast_bytes
);
1415 s
->rx_ucast_frames
= be64_to_cpu(fwstats
.rx_ucast_frames
);
1417 s
->rx_err_frames
= be64_to_cpu(fwstats
.rx_err_frames
);
1423 * t4vf_iq_free - free an ingress queue and its free lists
1424 * @adapter: the adapter
1425 * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
1426 * @iqid: ingress queue ID
1427 * @fl0id: FL0 queue ID or 0xffff if no attached FL0
1428 * @fl1id: FL1 queue ID or 0xffff if no attached FL1
1430 * Frees an ingress queue and its associated free lists, if any.
1432 int t4vf_iq_free(struct adapter
*adapter
, unsigned int iqtype
,
1433 unsigned int iqid
, unsigned int fl0id
, unsigned int fl1id
)
1435 struct fw_iq_cmd cmd
;
1437 memset(&cmd
, 0, sizeof(cmd
));
1438 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_IQ_CMD
) |
1441 cmd
.alloc_to_len16
= cpu_to_be32(FW_IQ_CMD_FREE_F
|
1443 cmd
.type_to_iqandstindex
=
1444 cpu_to_be32(FW_IQ_CMD_TYPE_V(iqtype
));
1446 cmd
.iqid
= cpu_to_be16(iqid
);
1447 cmd
.fl0id
= cpu_to_be16(fl0id
);
1448 cmd
.fl1id
= cpu_to_be16(fl1id
);
1449 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1453 * t4vf_eth_eq_free - free an Ethernet egress queue
1454 * @adapter: the adapter
1455 * @eqid: egress queue ID
1457 * Frees an Ethernet egress queue.
1459 int t4vf_eth_eq_free(struct adapter
*adapter
, unsigned int eqid
)
1461 struct fw_eq_eth_cmd cmd
;
1463 memset(&cmd
, 0, sizeof(cmd
));
1464 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_EQ_ETH_CMD
) |
1467 cmd
.alloc_to_len16
= cpu_to_be32(FW_EQ_ETH_CMD_FREE_F
|
1469 cmd
.eqid_pkd
= cpu_to_be32(FW_EQ_ETH_CMD_EQID_V(eqid
));
1470 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1474 * t4vf_handle_fw_rpl - process a firmware reply message
1475 * @adapter: the adapter
1476 * @rpl: start of the firmware message
1478 * Processes a firmware message, such as link state change messages.
1480 int t4vf_handle_fw_rpl(struct adapter
*adapter
, const __be64
*rpl
)
1482 const struct fw_cmd_hdr
*cmd_hdr
= (const struct fw_cmd_hdr
*)rpl
;
1483 u8 opcode
= FW_CMD_OP_G(be32_to_cpu(cmd_hdr
->hi
));
1488 * Link/module state change message.
1490 const struct fw_port_cmd
*port_cmd
=
1491 (const struct fw_port_cmd
*)rpl
;
1493 int action
, port_id
, link_ok
, speed
, fc
, pidx
;
1496 * Extract various fields from port status change message.
1498 action
= FW_PORT_CMD_ACTION_G(
1499 be32_to_cpu(port_cmd
->action_to_len16
));
1500 if (action
!= FW_PORT_ACTION_GET_PORT_INFO
) {
1501 dev_err(adapter
->pdev_dev
,
1502 "Unknown firmware PORT reply action %x\n",
1507 port_id
= FW_PORT_CMD_PORTID_G(
1508 be32_to_cpu(port_cmd
->op_to_portid
));
1510 stat
= be32_to_cpu(port_cmd
->u
.info
.lstatus_to_modtype
);
1511 link_ok
= (stat
& FW_PORT_CMD_LSTATUS_F
) != 0;
1514 if (stat
& FW_PORT_CMD_RXPAUSE_F
)
1516 if (stat
& FW_PORT_CMD_TXPAUSE_F
)
1518 if (stat
& FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_100M
))
1520 else if (stat
& FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_1G
))
1522 else if (stat
& FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_10G
))
1524 else if (stat
& FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_40G
))
1528 * Scan all of our "ports" (Virtual Interfaces) looking for
1529 * those bound to the physical port which has changed. If
1530 * our recorded state doesn't match the current state,
1531 * signal that change to the OS code.
1533 for_each_port(adapter
, pidx
) {
1534 struct port_info
*pi
= adap2pinfo(adapter
, pidx
);
1535 struct link_config
*lc
;
1537 if (pi
->port_id
!= port_id
)
1542 mod
= FW_PORT_CMD_MODTYPE_G(stat
);
1543 if (mod
!= pi
->mod_type
) {
1545 t4vf_os_portmod_changed(adapter
, pidx
);
1548 if (link_ok
!= lc
->link_ok
|| speed
!= lc
->speed
||
1550 /* something changed */
1551 lc
->link_ok
= link_ok
;
1555 be16_to_cpu(port_cmd
->u
.info
.pcap
);
1556 t4vf_os_link_changed(adapter
, pidx
, link_ok
);
1563 dev_err(adapter
->pdev_dev
, "Unknown firmware reply %X\n",
1571 int t4vf_prep_adapter(struct adapter
*adapter
)
1574 unsigned int chipid
;
1576 /* Wait for the device to become ready before proceeding ...
1578 err
= t4vf_wait_dev_ready(adapter
);
1582 /* Default port and clock for debugging in case we can't reach
1585 adapter
->params
.nports
= 1;
1586 adapter
->params
.vfres
.pmask
= 1;
1587 adapter
->params
.vpd
.cclk
= 50000;
1589 adapter
->params
.chip
= 0;
1590 switch (CHELSIO_PCI_ID_VER(adapter
->pdev
->device
)) {
1592 adapter
->params
.chip
|= CHELSIO_CHIP_CODE(CHELSIO_T4
, 0);
1596 chipid
= REV_G(t4_read_reg(adapter
, PL_VF_REV_A
));
1597 adapter
->params
.chip
|= CHELSIO_CHIP_CODE(CHELSIO_T5
, chipid
);