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/version.h>
37 #include <linux/pci.h>
39 #include "t4vf_common.h"
40 #include "t4vf_defs.h"
42 #include "../cxgb4/t4_regs.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 __devinit
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_GET(t4_read_reg(adapter
, mbox_ctl
));
142 for (i
= 0; v
== MBOX_OWNER_NONE
&& i
< 3; i
++)
143 v
= MBOWNER_GET(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 (i
= 0, p
= cmd
; i
< size
; i
+= 8)
152 t4_write_reg64(adapter
, mbox_data
+ i
, be64_to_cpu(*p
++));
153 t4_write_reg(adapter
, mbox_ctl
,
154 MBMSGVALID
| MBOWNER(MBOX_OWNER_FW
));
155 t4_read_reg(adapter
, mbox_ctl
); /* flush write */
158 * Spin waiting for firmware to acknowledge processing our command.
163 for (i
= 0; i
< 500; i
+= ms
) {
165 ms
= delay
[delay_idx
];
166 if (delay_idx
< ARRAY_SIZE(delay
) - 1)
173 * If we're the owner, see if this is the reply we wanted.
175 v
= t4_read_reg(adapter
, mbox_ctl
);
176 if (MBOWNER_GET(v
) == MBOX_OWNER_DRV
) {
178 * If the Message Valid bit isn't on, revoke ownership
179 * of the mailbox and continue waiting for our reply.
181 if ((v
& MBMSGVALID
) == 0) {
182 t4_write_reg(adapter
, mbox_ctl
,
183 MBOWNER(MBOX_OWNER_NONE
));
188 * We now have our reply. Extract the command return
189 * value, copy the reply back to our caller's buffer
190 * (if specified) and revoke ownership of the mailbox.
191 * We return the (negated) firmware command return
192 * code (this depends on FW_SUCCESS == 0).
195 /* return value in low-order little-endian word */
196 v
= t4_read_reg(adapter
, mbox_data
);
197 if (FW_CMD_RETVAL_GET(v
))
198 dump_mbox(adapter
, "FW Error", mbox_data
);
201 /* request bit in high-order BE word */
202 WARN_ON((be32_to_cpu(*(const u32
*)cmd
)
203 & FW_CMD_REQUEST
) == 0);
204 get_mbox_rpl(adapter
, rpl
, size
, mbox_data
);
205 WARN_ON((be32_to_cpu(*(u32
*)rpl
)
206 & FW_CMD_REQUEST
) != 0);
208 t4_write_reg(adapter
, mbox_ctl
,
209 MBOWNER(MBOX_OWNER_NONE
));
210 return -FW_CMD_RETVAL_GET(v
);
215 * We timed out. Return the error ...
217 dump_mbox(adapter
, "FW Timeout", mbox_data
);
222 * hash_mac_addr - return the hash value of a MAC address
223 * @addr: the 48-bit Ethernet MAC address
225 * Hashes a MAC address according to the hash function used by hardware
226 * inexact (hash) address matching.
228 static int hash_mac_addr(const u8
*addr
)
230 u32 a
= ((u32
)addr
[0] << 16) | ((u32
)addr
[1] << 8) | addr
[2];
231 u32 b
= ((u32
)addr
[3] << 16) | ((u32
)addr
[4] << 8) | addr
[5];
239 * init_link_config - initialize a link's SW state
240 * @lc: structure holding the link state
241 * @caps: link capabilities
243 * Initializes the SW state maintained for each link, including the link's
244 * capabilities and default speed/flow-control/autonegotiation settings.
246 static void __devinit
init_link_config(struct link_config
*lc
,
249 lc
->supported
= caps
;
250 lc
->requested_speed
= 0;
252 lc
->requested_fc
= lc
->fc
= PAUSE_RX
| PAUSE_TX
;
253 if (lc
->supported
& SUPPORTED_Autoneg
) {
254 lc
->advertising
= lc
->supported
;
255 lc
->autoneg
= AUTONEG_ENABLE
;
256 lc
->requested_fc
|= PAUSE_AUTONEG
;
259 lc
->autoneg
= AUTONEG_DISABLE
;
264 * t4vf_port_init - initialize port hardware/software state
265 * @adapter: the adapter
266 * @pidx: the adapter port index
268 int __devinit
t4vf_port_init(struct adapter
*adapter
, int pidx
)
270 struct port_info
*pi
= adap2pinfo(adapter
, pidx
);
271 struct fw_vi_cmd vi_cmd
, vi_rpl
;
272 struct fw_port_cmd port_cmd
, port_rpl
;
277 * Execute a VI Read command to get our Virtual Interface information
278 * like MAC address, etc.
280 memset(&vi_cmd
, 0, sizeof(vi_cmd
));
281 vi_cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP(FW_VI_CMD
) |
284 vi_cmd
.alloc_to_len16
= cpu_to_be32(FW_LEN16(vi_cmd
));
285 vi_cmd
.type_viid
= cpu_to_be16(FW_VI_CMD_VIID(pi
->viid
));
286 v
= t4vf_wr_mbox(adapter
, &vi_cmd
, sizeof(vi_cmd
), &vi_rpl
);
290 BUG_ON(pi
->port_id
!= FW_VI_CMD_PORTID_GET(vi_rpl
.portid_pkd
));
291 pi
->rss_size
= FW_VI_CMD_RSSSIZE_GET(be16_to_cpu(vi_rpl
.rsssize_pkd
));
292 t4_os_set_hw_addr(adapter
, pidx
, vi_rpl
.mac
);
295 * If we don't have read access to our port information, we're done
296 * now. Otherwise, execute a PORT Read command to get it ...
298 if (!(adapter
->params
.vfres
.r_caps
& FW_CMD_CAP_PORT
))
301 memset(&port_cmd
, 0, sizeof(port_cmd
));
302 port_cmd
.op_to_portid
= cpu_to_be32(FW_CMD_OP(FW_PORT_CMD
) |
305 FW_PORT_CMD_PORTID(pi
->port_id
));
306 port_cmd
.action_to_len16
=
307 cpu_to_be32(FW_PORT_CMD_ACTION(FW_PORT_ACTION_GET_PORT_INFO
) |
309 v
= t4vf_wr_mbox(adapter
, &port_cmd
, sizeof(port_cmd
), &port_rpl
);
314 word
= be16_to_cpu(port_rpl
.u
.info
.pcap
);
315 if (word
& FW_PORT_CAP_SPEED_100M
)
316 v
|= SUPPORTED_100baseT_Full
;
317 if (word
& FW_PORT_CAP_SPEED_1G
)
318 v
|= SUPPORTED_1000baseT_Full
;
319 if (word
& FW_PORT_CAP_SPEED_10G
)
320 v
|= SUPPORTED_10000baseT_Full
;
321 if (word
& FW_PORT_CAP_ANEG
)
322 v
|= SUPPORTED_Autoneg
;
323 init_link_config(&pi
->link_cfg
, v
);
329 * t4vf_fw_reset - issue a reset to FW
330 * @adapter: the adapter
332 * Issues a reset command to FW. For a Physical Function this would
333 * result in the Firmware reseting all of its state. For a Virtual
334 * Function this just resets the state associated with the VF.
336 int t4vf_fw_reset(struct adapter
*adapter
)
338 struct fw_reset_cmd cmd
;
340 memset(&cmd
, 0, sizeof(cmd
));
341 cmd
.op_to_write
= cpu_to_be32(FW_CMD_OP(FW_RESET_CMD
) |
343 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
344 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
348 * t4vf_query_params - query FW or device parameters
349 * @adapter: the adapter
350 * @nparams: the number of parameters
351 * @params: the parameter names
352 * @vals: the parameter values
354 * Reads the values of firmware or device parameters. Up to 7 parameters
355 * can be queried at once.
357 int t4vf_query_params(struct adapter
*adapter
, unsigned int nparams
,
358 const u32
*params
, u32
*vals
)
361 struct fw_params_cmd cmd
, rpl
;
362 struct fw_params_param
*p
;
368 memset(&cmd
, 0, sizeof(cmd
));
369 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP(FW_PARAMS_CMD
) |
372 len16
= DIV_ROUND_UP(offsetof(struct fw_params_cmd
,
373 param
[nparams
].mnem
), 16);
374 cmd
.retval_len16
= cpu_to_be32(FW_CMD_LEN16(len16
));
375 for (i
= 0, p
= &cmd
.param
[0]; i
< nparams
; i
++, p
++)
376 p
->mnem
= htonl(*params
++);
378 ret
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
380 for (i
= 0, p
= &rpl
.param
[0]; i
< nparams
; i
++, p
++)
381 *vals
++ = be32_to_cpu(p
->val
);
386 * t4vf_set_params - sets FW or device parameters
387 * @adapter: the adapter
388 * @nparams: the number of parameters
389 * @params: the parameter names
390 * @vals: the parameter values
392 * Sets the values of firmware or device parameters. Up to 7 parameters
393 * can be specified at once.
395 int t4vf_set_params(struct adapter
*adapter
, unsigned int nparams
,
396 const u32
*params
, const u32
*vals
)
399 struct fw_params_cmd cmd
;
400 struct fw_params_param
*p
;
406 memset(&cmd
, 0, sizeof(cmd
));
407 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP(FW_PARAMS_CMD
) |
410 len16
= DIV_ROUND_UP(offsetof(struct fw_params_cmd
,
411 param
[nparams
]), 16);
412 cmd
.retval_len16
= cpu_to_be32(FW_CMD_LEN16(len16
));
413 for (i
= 0, p
= &cmd
.param
[0]; i
< nparams
; i
++, p
++) {
414 p
->mnem
= cpu_to_be32(*params
++);
415 p
->val
= cpu_to_be32(*vals
++);
418 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
422 * t4vf_get_sge_params - retrieve adapter Scatter gather Engine parameters
423 * @adapter: the adapter
425 * Retrieves various core SGE parameters in the form of hardware SGE
426 * register values. The caller is responsible for decoding these as
427 * needed. The SGE parameters are stored in @adapter->params.sge.
429 int t4vf_get_sge_params(struct adapter
*adapter
)
431 struct sge_params
*sge_params
= &adapter
->params
.sge
;
432 u32 params
[7], vals
[7];
435 params
[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG
) |
436 FW_PARAMS_PARAM_XYZ(SGE_CONTROL
));
437 params
[1] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG
) |
438 FW_PARAMS_PARAM_XYZ(SGE_HOST_PAGE_SIZE
));
439 params
[2] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG
) |
440 FW_PARAMS_PARAM_XYZ(SGE_FL_BUFFER_SIZE0
));
441 params
[3] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG
) |
442 FW_PARAMS_PARAM_XYZ(SGE_FL_BUFFER_SIZE1
));
443 params
[4] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG
) |
444 FW_PARAMS_PARAM_XYZ(SGE_TIMER_VALUE_0_AND_1
));
445 params
[5] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG
) |
446 FW_PARAMS_PARAM_XYZ(SGE_TIMER_VALUE_2_AND_3
));
447 params
[6] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG
) |
448 FW_PARAMS_PARAM_XYZ(SGE_TIMER_VALUE_4_AND_5
));
449 v
= t4vf_query_params(adapter
, 7, params
, vals
);
452 sge_params
->sge_control
= vals
[0];
453 sge_params
->sge_host_page_size
= vals
[1];
454 sge_params
->sge_fl_buffer_size
[0] = vals
[2];
455 sge_params
->sge_fl_buffer_size
[1] = vals
[3];
456 sge_params
->sge_timer_value_0_and_1
= vals
[4];
457 sge_params
->sge_timer_value_2_and_3
= vals
[5];
458 sge_params
->sge_timer_value_4_and_5
= vals
[6];
460 params
[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG
) |
461 FW_PARAMS_PARAM_XYZ(SGE_INGRESS_RX_THRESHOLD
));
462 v
= t4vf_query_params(adapter
, 1, params
, vals
);
465 sge_params
->sge_ingress_rx_threshold
= vals
[0];
471 * t4vf_get_vpd_params - retrieve device VPD paremeters
472 * @adapter: the adapter
474 * Retrives various device Vital Product Data parameters. The parameters
475 * are stored in @adapter->params.vpd.
477 int t4vf_get_vpd_params(struct adapter
*adapter
)
479 struct vpd_params
*vpd_params
= &adapter
->params
.vpd
;
480 u32 params
[7], vals
[7];
483 params
[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV
) |
484 FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_CCLK
));
485 v
= t4vf_query_params(adapter
, 1, params
, vals
);
488 vpd_params
->cclk
= vals
[0];
494 * t4vf_get_dev_params - retrieve device paremeters
495 * @adapter: the adapter
497 * Retrives various device parameters. The parameters are stored in
498 * @adapter->params.dev.
500 int t4vf_get_dev_params(struct adapter
*adapter
)
502 struct dev_params
*dev_params
= &adapter
->params
.dev
;
503 u32 params
[7], vals
[7];
506 params
[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV
) |
507 FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FWREV
));
508 params
[1] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV
) |
509 FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_TPREV
));
510 v
= t4vf_query_params(adapter
, 2, params
, vals
);
513 dev_params
->fwrev
= vals
[0];
514 dev_params
->tprev
= vals
[1];
520 * t4vf_get_rss_glb_config - retrieve adapter RSS Global Configuration
521 * @adapter: the adapter
523 * Retrieves global RSS mode and parameters with which we have to live
524 * and stores them in the @adapter's RSS parameters.
526 int t4vf_get_rss_glb_config(struct adapter
*adapter
)
528 struct rss_params
*rss
= &adapter
->params
.rss
;
529 struct fw_rss_glb_config_cmd cmd
, rpl
;
533 * Execute an RSS Global Configuration read command to retrieve
534 * our RSS configuration.
536 memset(&cmd
, 0, sizeof(cmd
));
537 cmd
.op_to_write
= cpu_to_be32(FW_CMD_OP(FW_RSS_GLB_CONFIG_CMD
) |
540 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
541 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
546 * Transate the big-endian RSS Global Configuration into our
547 * cpu-endian format based on the RSS mode. We also do first level
548 * filtering at this point to weed out modes which don't support
551 rss
->mode
= FW_RSS_GLB_CONFIG_CMD_MODE_GET(
552 be32_to_cpu(rpl
.u
.manual
.mode_pkd
));
554 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL
: {
555 u32 word
= be32_to_cpu(
556 rpl
.u
.basicvirtual
.synmapen_to_hashtoeplitz
);
558 rss
->u
.basicvirtual
.synmapen
=
559 ((word
& FW_RSS_GLB_CONFIG_CMD_SYNMAPEN
) != 0);
560 rss
->u
.basicvirtual
.syn4tupenipv6
=
561 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6
) != 0);
562 rss
->u
.basicvirtual
.syn2tupenipv6
=
563 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6
) != 0);
564 rss
->u
.basicvirtual
.syn4tupenipv4
=
565 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4
) != 0);
566 rss
->u
.basicvirtual
.syn2tupenipv4
=
567 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4
) != 0);
569 rss
->u
.basicvirtual
.ofdmapen
=
570 ((word
& FW_RSS_GLB_CONFIG_CMD_OFDMAPEN
) != 0);
572 rss
->u
.basicvirtual
.tnlmapen
=
573 ((word
& FW_RSS_GLB_CONFIG_CMD_TNLMAPEN
) != 0);
574 rss
->u
.basicvirtual
.tnlalllookup
=
575 ((word
& FW_RSS_GLB_CONFIG_CMD_TNLALLLKP
) != 0);
577 rss
->u
.basicvirtual
.hashtoeplitz
=
578 ((word
& FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ
) != 0);
580 /* we need at least Tunnel Map Enable to be set */
581 if (!rss
->u
.basicvirtual
.tnlmapen
)
587 /* all unknown/unsupported RSS modes result in an error */
595 * t4vf_get_vfres - retrieve VF resource limits
596 * @adapter: the adapter
598 * Retrieves configured resource limits and capabilities for a virtual
599 * function. The results are stored in @adapter->vfres.
601 int t4vf_get_vfres(struct adapter
*adapter
)
603 struct vf_resources
*vfres
= &adapter
->params
.vfres
;
604 struct fw_pfvf_cmd cmd
, rpl
;
609 * Execute PFVF Read command to get VF resource limits; bail out early
610 * with error on command failure.
612 memset(&cmd
, 0, sizeof(cmd
));
613 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP(FW_PFVF_CMD
) |
616 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
617 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
622 * Extract VF resource limits and return success.
624 word
= be32_to_cpu(rpl
.niqflint_niq
);
625 vfres
->niqflint
= FW_PFVF_CMD_NIQFLINT_GET(word
);
626 vfres
->niq
= FW_PFVF_CMD_NIQ_GET(word
);
628 word
= be32_to_cpu(rpl
.type_to_neq
);
629 vfres
->neq
= FW_PFVF_CMD_NEQ_GET(word
);
630 vfres
->pmask
= FW_PFVF_CMD_PMASK_GET(word
);
632 word
= be32_to_cpu(rpl
.tc_to_nexactf
);
633 vfres
->tc
= FW_PFVF_CMD_TC_GET(word
);
634 vfres
->nvi
= FW_PFVF_CMD_NVI_GET(word
);
635 vfres
->nexactf
= FW_PFVF_CMD_NEXACTF_GET(word
);
637 word
= be32_to_cpu(rpl
.r_caps_to_nethctrl
);
638 vfres
->r_caps
= FW_PFVF_CMD_R_CAPS_GET(word
);
639 vfres
->wx_caps
= FW_PFVF_CMD_WX_CAPS_GET(word
);
640 vfres
->nethctrl
= FW_PFVF_CMD_NETHCTRL_GET(word
);
646 * t4vf_read_rss_vi_config - read a VI's RSS configuration
647 * @adapter: the adapter
648 * @viid: Virtual Interface ID
649 * @config: pointer to host-native VI RSS Configuration buffer
651 * Reads the Virtual Interface's RSS configuration information and
652 * translates it into CPU-native format.
654 int t4vf_read_rss_vi_config(struct adapter
*adapter
, unsigned int viid
,
655 union rss_vi_config
*config
)
657 struct fw_rss_vi_config_cmd cmd
, rpl
;
660 memset(&cmd
, 0, sizeof(cmd
));
661 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP(FW_RSS_VI_CONFIG_CMD
) |
664 FW_RSS_VI_CONFIG_CMD_VIID(viid
));
665 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
666 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
670 switch (adapter
->params
.rss
.mode
) {
671 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL
: {
672 u32 word
= be32_to_cpu(rpl
.u
.basicvirtual
.defaultq_to_udpen
);
674 config
->basicvirtual
.ip6fourtupen
=
675 ((word
& FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN
) != 0);
676 config
->basicvirtual
.ip6twotupen
=
677 ((word
& FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN
) != 0);
678 config
->basicvirtual
.ip4fourtupen
=
679 ((word
& FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN
) != 0);
680 config
->basicvirtual
.ip4twotupen
=
681 ((word
& FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN
) != 0);
682 config
->basicvirtual
.udpen
=
683 ((word
& FW_RSS_VI_CONFIG_CMD_UDPEN
) != 0);
684 config
->basicvirtual
.defaultq
=
685 FW_RSS_VI_CONFIG_CMD_DEFAULTQ_GET(word
);
697 * t4vf_write_rss_vi_config - write a VI's RSS configuration
698 * @adapter: the adapter
699 * @viid: Virtual Interface ID
700 * @config: pointer to host-native VI RSS Configuration buffer
702 * Write the Virtual Interface's RSS configuration information
703 * (translating it into firmware-native format before writing).
705 int t4vf_write_rss_vi_config(struct adapter
*adapter
, unsigned int viid
,
706 union rss_vi_config
*config
)
708 struct fw_rss_vi_config_cmd cmd
, rpl
;
710 memset(&cmd
, 0, sizeof(cmd
));
711 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP(FW_RSS_VI_CONFIG_CMD
) |
714 FW_RSS_VI_CONFIG_CMD_VIID(viid
));
715 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
716 switch (adapter
->params
.rss
.mode
) {
717 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL
: {
720 if (config
->basicvirtual
.ip6fourtupen
)
721 word
|= FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN
;
722 if (config
->basicvirtual
.ip6twotupen
)
723 word
|= FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN
;
724 if (config
->basicvirtual
.ip4fourtupen
)
725 word
|= FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN
;
726 if (config
->basicvirtual
.ip4twotupen
)
727 word
|= FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN
;
728 if (config
->basicvirtual
.udpen
)
729 word
|= FW_RSS_VI_CONFIG_CMD_UDPEN
;
730 word
|= FW_RSS_VI_CONFIG_CMD_DEFAULTQ(
731 config
->basicvirtual
.defaultq
);
732 cmd
.u
.basicvirtual
.defaultq_to_udpen
= cpu_to_be32(word
);
740 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
744 * t4vf_config_rss_range - configure a portion of the RSS mapping table
745 * @adapter: the adapter
746 * @viid: Virtual Interface of RSS Table Slice
747 * @start: starting entry in the table to write
748 * @n: how many table entries to write
749 * @rspq: values for the "Response Queue" (Ingress Queue) lookup table
750 * @nrspq: number of values in @rspq
752 * Programs the selected part of the VI's RSS mapping table with the
753 * provided values. If @nrspq < @n the supplied values are used repeatedly
754 * until the full table range is populated.
756 * The caller must ensure the values in @rspq are in the range 0..1023.
758 int t4vf_config_rss_range(struct adapter
*adapter
, unsigned int viid
,
759 int start
, int n
, const u16
*rspq
, int nrspq
)
761 const u16
*rsp
= rspq
;
762 const u16
*rsp_end
= rspq
+nrspq
;
763 struct fw_rss_ind_tbl_cmd cmd
;
766 * Initialize firmware command template to write the RSS table.
768 memset(&cmd
, 0, sizeof(cmd
));
769 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP(FW_RSS_IND_TBL_CMD
) |
772 FW_RSS_IND_TBL_CMD_VIID(viid
));
773 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
776 * Each firmware RSS command can accommodate up to 32 RSS Ingress
777 * Queue Identifiers. These Ingress Queue IDs are packed three to
778 * a 32-bit word as 10-bit values with the upper remaining 2 bits
782 __be32
*qp
= &cmd
.iq0_to_iq2
;
787 * Set up the firmware RSS command header to send the next
788 * "nq" Ingress Queue IDs to the firmware.
790 cmd
.niqid
= cpu_to_be16(nq
);
791 cmd
.startidx
= cpu_to_be16(start
);
794 * "nq" more done for the start of the next loop.
800 * While there are still Ingress Queue IDs to stuff into the
801 * current firmware RSS command, retrieve them from the
802 * Ingress Queue ID array and insert them into the command.
806 * Grab up to the next 3 Ingress Queue IDs (wrapping
807 * around the Ingress Queue ID array if necessary) and
808 * insert them into the firmware RSS command at the
809 * current 3-tuple position within the commad.
813 int nqbuf
= min(3, nq
);
816 qbuf
[0] = qbuf
[1] = qbuf
[2] = 0;
823 *qp
++ = cpu_to_be32(FW_RSS_IND_TBL_CMD_IQ0(qbuf
[0]) |
824 FW_RSS_IND_TBL_CMD_IQ1(qbuf
[1]) |
825 FW_RSS_IND_TBL_CMD_IQ2(qbuf
[2]));
829 * Send this portion of the RRS table update to the firmware;
830 * bail out on any errors.
832 ret
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
840 * t4vf_alloc_vi - allocate a virtual interface on a port
841 * @adapter: the adapter
842 * @port_id: physical port associated with the VI
844 * Allocate a new Virtual Interface and bind it to the indicated
845 * physical port. Return the new Virtual Interface Identifier on
846 * success, or a [negative] error number on failure.
848 int t4vf_alloc_vi(struct adapter
*adapter
, int port_id
)
850 struct fw_vi_cmd cmd
, rpl
;
854 * Execute a VI command to allocate Virtual Interface and return its
857 memset(&cmd
, 0, sizeof(cmd
));
858 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP(FW_VI_CMD
) |
862 cmd
.alloc_to_len16
= cpu_to_be32(FW_LEN16(cmd
) |
864 cmd
.portid_pkd
= FW_VI_CMD_PORTID(port_id
);
865 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
869 return FW_VI_CMD_VIID_GET(be16_to_cpu(rpl
.type_viid
));
873 * t4vf_free_vi -- free a virtual interface
874 * @adapter: the adapter
875 * @viid: the virtual interface identifier
877 * Free a previously allocated Virtual Interface. Return an error on
880 int t4vf_free_vi(struct adapter
*adapter
, int viid
)
882 struct fw_vi_cmd cmd
;
885 * Execute a VI command to free the Virtual Interface.
887 memset(&cmd
, 0, sizeof(cmd
));
888 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP(FW_VI_CMD
) |
891 cmd
.alloc_to_len16
= cpu_to_be32(FW_LEN16(cmd
) |
893 cmd
.type_viid
= cpu_to_be16(FW_VI_CMD_VIID(viid
));
894 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
898 * t4vf_enable_vi - enable/disable a virtual interface
899 * @adapter: the adapter
900 * @viid: the Virtual Interface ID
901 * @rx_en: 1=enable Rx, 0=disable Rx
902 * @tx_en: 1=enable Tx, 0=disable Tx
904 * Enables/disables a virtual interface.
906 int t4vf_enable_vi(struct adapter
*adapter
, unsigned int viid
,
907 bool rx_en
, bool tx_en
)
909 struct fw_vi_enable_cmd cmd
;
911 memset(&cmd
, 0, sizeof(cmd
));
912 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP(FW_VI_ENABLE_CMD
) |
915 FW_VI_ENABLE_CMD_VIID(viid
));
916 cmd
.ien_to_len16
= cpu_to_be32(FW_VI_ENABLE_CMD_IEN(rx_en
) |
917 FW_VI_ENABLE_CMD_EEN(tx_en
) |
919 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
923 * t4vf_identify_port - identify a VI's port by blinking its LED
924 * @adapter: the adapter
925 * @viid: the Virtual Interface ID
926 * @nblinks: how many times to blink LED at 2.5 Hz
928 * Identifies a VI's port by blinking its LED.
930 int t4vf_identify_port(struct adapter
*adapter
, unsigned int viid
,
931 unsigned int nblinks
)
933 struct fw_vi_enable_cmd cmd
;
935 memset(&cmd
, 0, sizeof(cmd
));
936 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP(FW_VI_ENABLE_CMD
) |
939 FW_VI_ENABLE_CMD_VIID(viid
));
940 cmd
.ien_to_len16
= cpu_to_be32(FW_VI_ENABLE_CMD_LED
|
942 cmd
.blinkdur
= cpu_to_be16(nblinks
);
943 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
947 * t4vf_set_rxmode - set Rx properties of a virtual interface
948 * @adapter: the adapter
950 * @mtu: the new MTU or -1 for no change
951 * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change
952 * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change
953 * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change
954 * @vlanex: 1 to enable hardware VLAN Tag extraction, 0 to disable it,
957 * Sets Rx properties of a virtual interface.
959 int t4vf_set_rxmode(struct adapter
*adapter
, unsigned int viid
,
960 int mtu
, int promisc
, int all_multi
, int bcast
, int vlanex
,
963 struct fw_vi_rxmode_cmd cmd
;
965 /* convert to FW values */
967 mtu
= FW_VI_RXMODE_CMD_MTU_MASK
;
969 promisc
= FW_VI_RXMODE_CMD_PROMISCEN_MASK
;
971 all_multi
= FW_VI_RXMODE_CMD_ALLMULTIEN_MASK
;
973 bcast
= FW_VI_RXMODE_CMD_BROADCASTEN_MASK
;
975 vlanex
= FW_VI_RXMODE_CMD_VLANEXEN_MASK
;
977 memset(&cmd
, 0, sizeof(cmd
));
978 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP(FW_VI_RXMODE_CMD
) |
981 FW_VI_RXMODE_CMD_VIID(viid
));
982 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
983 cmd
.mtu_to_vlanexen
=
984 cpu_to_be32(FW_VI_RXMODE_CMD_MTU(mtu
) |
985 FW_VI_RXMODE_CMD_PROMISCEN(promisc
) |
986 FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi
) |
987 FW_VI_RXMODE_CMD_BROADCASTEN(bcast
) |
988 FW_VI_RXMODE_CMD_VLANEXEN(vlanex
));
989 return t4vf_wr_mbox_core(adapter
, &cmd
, sizeof(cmd
), NULL
, sleep_ok
);
993 * t4vf_alloc_mac_filt - allocates exact-match filters for MAC addresses
994 * @adapter: the adapter
995 * @viid: the Virtual Interface Identifier
996 * @free: if true any existing filters for this VI id are first removed
997 * @naddr: the number of MAC addresses to allocate filters for (up to 7)
998 * @addr: the MAC address(es)
999 * @idx: where to store the index of each allocated filter
1000 * @hash: pointer to hash address filter bitmap
1001 * @sleep_ok: call is allowed to sleep
1003 * Allocates an exact-match filter for each of the supplied addresses and
1004 * sets it to the corresponding address. If @idx is not %NULL it should
1005 * have at least @naddr entries, each of which will be set to the index of
1006 * the filter allocated for the corresponding MAC address. If a filter
1007 * could not be allocated for an address its index is set to 0xffff.
1008 * If @hash is not %NULL addresses that fail to allocate an exact filter
1009 * are hashed and update the hash filter bitmap pointed at by @hash.
1011 * Returns a negative error number or the number of filters allocated.
1013 int t4vf_alloc_mac_filt(struct adapter
*adapter
, unsigned int viid
, bool free
,
1014 unsigned int naddr
, const u8
**addr
, u16
*idx
,
1015 u64
*hash
, bool sleep_ok
)
1017 int offset
, ret
= 0;
1018 unsigned nfilters
= 0;
1019 unsigned int rem
= naddr
;
1020 struct fw_vi_mac_cmd cmd
, rpl
;
1022 if (naddr
> FW_CLS_TCAM_NUM_ENTRIES
)
1025 for (offset
= 0; offset
< naddr
; /**/) {
1026 unsigned int fw_naddr
= (rem
< ARRAY_SIZE(cmd
.u
.exact
)
1028 : ARRAY_SIZE(cmd
.u
.exact
));
1029 size_t len16
= DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd
,
1030 u
.exact
[fw_naddr
]), 16);
1031 struct fw_vi_mac_exact
*p
;
1034 memset(&cmd
, 0, sizeof(cmd
));
1035 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP(FW_VI_MAC_CMD
) |
1038 (free
? FW_CMD_EXEC
: 0) |
1039 FW_VI_MAC_CMD_VIID(viid
));
1040 cmd
.freemacs_to_len16
=
1041 cpu_to_be32(FW_VI_MAC_CMD_FREEMACS(free
) |
1042 FW_CMD_LEN16(len16
));
1044 for (i
= 0, p
= cmd
.u
.exact
; i
< fw_naddr
; i
++, p
++) {
1045 p
->valid_to_idx
= cpu_to_be16(
1046 FW_VI_MAC_CMD_VALID
|
1047 FW_VI_MAC_CMD_IDX(FW_VI_MAC_ADD_MAC
));
1048 memcpy(p
->macaddr
, addr
[offset
+i
], sizeof(p
->macaddr
));
1052 ret
= t4vf_wr_mbox_core(adapter
, &cmd
, sizeof(cmd
), &rpl
,
1054 if (ret
&& ret
!= -ENOMEM
)
1057 for (i
= 0, p
= rpl
.u
.exact
; i
< fw_naddr
; i
++, p
++) {
1058 u16 index
= FW_VI_MAC_CMD_IDX_GET(
1059 be16_to_cpu(p
->valid_to_idx
));
1063 (index
>= FW_CLS_TCAM_NUM_ENTRIES
1066 if (index
< FW_CLS_TCAM_NUM_ENTRIES
)
1069 *hash
|= (1ULL << hash_mac_addr(addr
[offset
+i
]));
1078 * If there were no errors or we merely ran out of room in our MAC
1079 * address arena, return the number of filters actually written.
1081 if (ret
== 0 || ret
== -ENOMEM
)
1087 * t4vf_change_mac - modifies the exact-match filter for a MAC address
1088 * @adapter: the adapter
1089 * @viid: the Virtual Interface ID
1090 * @idx: index of existing filter for old value of MAC address, or -1
1091 * @addr: the new MAC address value
1092 * @persist: if idx < 0, the new MAC allocation should be persistent
1094 * Modifies an exact-match filter and sets it to the new MAC address.
1095 * Note that in general it is not possible to modify the value of a given
1096 * filter so the generic way to modify an address filter is to free the
1097 * one being used by the old address value and allocate a new filter for
1098 * the new address value. @idx can be -1 if the address is a new
1101 * Returns a negative error number or the index of the filter with the new
1104 int t4vf_change_mac(struct adapter
*adapter
, unsigned int viid
,
1105 int idx
, const u8
*addr
, bool persist
)
1108 struct fw_vi_mac_cmd cmd
, rpl
;
1109 struct fw_vi_mac_exact
*p
= &cmd
.u
.exact
[0];
1110 size_t len16
= DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd
,
1114 * If this is a new allocation, determine whether it should be
1115 * persistent (across a "freemacs" operation) or not.
1118 idx
= persist
? FW_VI_MAC_ADD_PERSIST_MAC
: FW_VI_MAC_ADD_MAC
;
1120 memset(&cmd
, 0, sizeof(cmd
));
1121 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP(FW_VI_MAC_CMD
) |
1124 FW_VI_MAC_CMD_VIID(viid
));
1125 cmd
.freemacs_to_len16
= cpu_to_be32(FW_CMD_LEN16(len16
));
1126 p
->valid_to_idx
= cpu_to_be16(FW_VI_MAC_CMD_VALID
|
1127 FW_VI_MAC_CMD_IDX(idx
));
1128 memcpy(p
->macaddr
, addr
, sizeof(p
->macaddr
));
1130 ret
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
1132 p
= &rpl
.u
.exact
[0];
1133 ret
= FW_VI_MAC_CMD_IDX_GET(be16_to_cpu(p
->valid_to_idx
));
1134 if (ret
>= FW_CLS_TCAM_NUM_ENTRIES
)
1141 * t4vf_set_addr_hash - program the MAC inexact-match hash filter
1142 * @adapter: the adapter
1143 * @viid: the Virtual Interface Identifier
1144 * @ucast: whether the hash filter should also match unicast addresses
1145 * @vec: the value to be written to the hash filter
1146 * @sleep_ok: call is allowed to sleep
1148 * Sets the 64-bit inexact-match hash filter for a virtual interface.
1150 int t4vf_set_addr_hash(struct adapter
*adapter
, unsigned int viid
,
1151 bool ucast
, u64 vec
, bool sleep_ok
)
1153 struct fw_vi_mac_cmd cmd
;
1154 size_t len16
= DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd
,
1157 memset(&cmd
, 0, sizeof(cmd
));
1158 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP(FW_VI_MAC_CMD
) |
1161 FW_VI_ENABLE_CMD_VIID(viid
));
1162 cmd
.freemacs_to_len16
= cpu_to_be32(FW_VI_MAC_CMD_HASHVECEN
|
1163 FW_VI_MAC_CMD_HASHUNIEN(ucast
) |
1164 FW_CMD_LEN16(len16
));
1165 cmd
.u
.hash
.hashvec
= cpu_to_be64(vec
);
1166 return t4vf_wr_mbox_core(adapter
, &cmd
, sizeof(cmd
), NULL
, sleep_ok
);
1170 * t4vf_get_port_stats - collect "port" statistics
1171 * @adapter: the adapter
1172 * @pidx: the port index
1173 * @s: the stats structure to fill
1175 * Collect statistics for the "port"'s Virtual Interface.
1177 int t4vf_get_port_stats(struct adapter
*adapter
, int pidx
,
1178 struct t4vf_port_stats
*s
)
1180 struct port_info
*pi
= adap2pinfo(adapter
, pidx
);
1181 struct fw_vi_stats_vf fwstats
;
1182 unsigned int rem
= VI_VF_NUM_STATS
;
1183 __be64
*fwsp
= (__be64
*)&fwstats
;
1186 * Grab the Virtual Interface statistics a chunk at a time via mailbox
1187 * commands. We could use a Work Request and get all of them at once
1188 * but that's an asynchronous interface which is awkward to use.
1191 unsigned int ix
= VI_VF_NUM_STATS
- rem
;
1192 unsigned int nstats
= min(6U, rem
);
1193 struct fw_vi_stats_cmd cmd
, rpl
;
1194 size_t len
= (offsetof(struct fw_vi_stats_cmd
, u
) +
1195 sizeof(struct fw_vi_stats_ctl
));
1196 size_t len16
= DIV_ROUND_UP(len
, 16);
1199 memset(&cmd
, 0, sizeof(cmd
));
1200 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP(FW_VI_STATS_CMD
) |
1201 FW_VI_STATS_CMD_VIID(pi
->viid
) |
1204 cmd
.retval_len16
= cpu_to_be32(FW_CMD_LEN16(len16
));
1205 cmd
.u
.ctl
.nstats_ix
=
1206 cpu_to_be16(FW_VI_STATS_CMD_IX(ix
) |
1207 FW_VI_STATS_CMD_NSTATS(nstats
));
1208 ret
= t4vf_wr_mbox_ns(adapter
, &cmd
, len
, &rpl
);
1212 memcpy(fwsp
, &rpl
.u
.ctl
.stat0
, sizeof(__be64
) * nstats
);
1219 * Translate firmware statistics into host native statistics.
1221 s
->tx_bcast_bytes
= be64_to_cpu(fwstats
.tx_bcast_bytes
);
1222 s
->tx_bcast_frames
= be64_to_cpu(fwstats
.tx_bcast_frames
);
1223 s
->tx_mcast_bytes
= be64_to_cpu(fwstats
.tx_mcast_bytes
);
1224 s
->tx_mcast_frames
= be64_to_cpu(fwstats
.tx_mcast_frames
);
1225 s
->tx_ucast_bytes
= be64_to_cpu(fwstats
.tx_ucast_bytes
);
1226 s
->tx_ucast_frames
= be64_to_cpu(fwstats
.tx_ucast_frames
);
1227 s
->tx_drop_frames
= be64_to_cpu(fwstats
.tx_drop_frames
);
1228 s
->tx_offload_bytes
= be64_to_cpu(fwstats
.tx_offload_bytes
);
1229 s
->tx_offload_frames
= be64_to_cpu(fwstats
.tx_offload_frames
);
1231 s
->rx_bcast_bytes
= be64_to_cpu(fwstats
.rx_bcast_bytes
);
1232 s
->rx_bcast_frames
= be64_to_cpu(fwstats
.rx_bcast_frames
);
1233 s
->rx_mcast_bytes
= be64_to_cpu(fwstats
.rx_mcast_bytes
);
1234 s
->rx_mcast_frames
= be64_to_cpu(fwstats
.rx_mcast_frames
);
1235 s
->rx_ucast_bytes
= be64_to_cpu(fwstats
.rx_ucast_bytes
);
1236 s
->rx_ucast_frames
= be64_to_cpu(fwstats
.rx_ucast_frames
);
1238 s
->rx_err_frames
= be64_to_cpu(fwstats
.rx_err_frames
);
1244 * t4vf_iq_free - free an ingress queue and its free lists
1245 * @adapter: the adapter
1246 * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
1247 * @iqid: ingress queue ID
1248 * @fl0id: FL0 queue ID or 0xffff if no attached FL0
1249 * @fl1id: FL1 queue ID or 0xffff if no attached FL1
1251 * Frees an ingress queue and its associated free lists, if any.
1253 int t4vf_iq_free(struct adapter
*adapter
, unsigned int iqtype
,
1254 unsigned int iqid
, unsigned int fl0id
, unsigned int fl1id
)
1256 struct fw_iq_cmd cmd
;
1258 memset(&cmd
, 0, sizeof(cmd
));
1259 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP(FW_IQ_CMD
) |
1262 cmd
.alloc_to_len16
= cpu_to_be32(FW_IQ_CMD_FREE
|
1264 cmd
.type_to_iqandstindex
=
1265 cpu_to_be32(FW_IQ_CMD_TYPE(iqtype
));
1267 cmd
.iqid
= cpu_to_be16(iqid
);
1268 cmd
.fl0id
= cpu_to_be16(fl0id
);
1269 cmd
.fl1id
= cpu_to_be16(fl1id
);
1270 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1274 * t4vf_eth_eq_free - free an Ethernet egress queue
1275 * @adapter: the adapter
1276 * @eqid: egress queue ID
1278 * Frees an Ethernet egress queue.
1280 int t4vf_eth_eq_free(struct adapter
*adapter
, unsigned int eqid
)
1282 struct fw_eq_eth_cmd cmd
;
1284 memset(&cmd
, 0, sizeof(cmd
));
1285 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP(FW_EQ_ETH_CMD
) |
1288 cmd
.alloc_to_len16
= cpu_to_be32(FW_EQ_ETH_CMD_FREE
|
1290 cmd
.eqid_pkd
= cpu_to_be32(FW_EQ_ETH_CMD_EQID(eqid
));
1291 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1295 * t4vf_handle_fw_rpl - process a firmware reply message
1296 * @adapter: the adapter
1297 * @rpl: start of the firmware message
1299 * Processes a firmware message, such as link state change messages.
1301 int t4vf_handle_fw_rpl(struct adapter
*adapter
, const __be64
*rpl
)
1303 const struct fw_cmd_hdr
*cmd_hdr
= (const struct fw_cmd_hdr
*)rpl
;
1304 u8 opcode
= FW_CMD_OP_GET(be32_to_cpu(cmd_hdr
->hi
));
1309 * Link/module state change message.
1311 const struct fw_port_cmd
*port_cmd
=
1312 (const struct fw_port_cmd
*)rpl
;
1314 int action
, port_id
, link_ok
, speed
, fc
, pidx
;
1317 * Extract various fields from port status change message.
1319 action
= FW_PORT_CMD_ACTION_GET(
1320 be32_to_cpu(port_cmd
->action_to_len16
));
1321 if (action
!= FW_PORT_ACTION_GET_PORT_INFO
) {
1322 dev_err(adapter
->pdev_dev
,
1323 "Unknown firmware PORT reply action %x\n",
1328 port_id
= FW_PORT_CMD_PORTID_GET(
1329 be32_to_cpu(port_cmd
->op_to_portid
));
1331 word
= be32_to_cpu(port_cmd
->u
.info
.lstatus_to_modtype
);
1332 link_ok
= (word
& FW_PORT_CMD_LSTATUS
) != 0;
1335 if (word
& FW_PORT_CMD_RXPAUSE
)
1337 if (word
& FW_PORT_CMD_TXPAUSE
)
1339 if (word
& FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M
))
1341 else if (word
& FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G
))
1343 else if (word
& FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G
))
1344 speed
= SPEED_10000
;
1347 * Scan all of our "ports" (Virtual Interfaces) looking for
1348 * those bound to the physical port which has changed. If
1349 * our recorded state doesn't match the current state,
1350 * signal that change to the OS code.
1352 for_each_port(adapter
, pidx
) {
1353 struct port_info
*pi
= adap2pinfo(adapter
, pidx
);
1354 struct link_config
*lc
;
1356 if (pi
->port_id
!= port_id
)
1360 if (link_ok
!= lc
->link_ok
|| speed
!= lc
->speed
||
1362 /* something changed */
1363 lc
->link_ok
= link_ok
;
1366 t4vf_os_link_changed(adapter
, pidx
, link_ok
);
1373 dev_err(adapter
->pdev_dev
, "Unknown firmware reply %X\n",