1 // SPDX-License-Identifier: GPL-2.0
2 /* Intel(R) Ethernet Switch Host Interface Driver
3 * Copyright(c) 2013 - 2018 Intel Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * The full GNU General Public License is included in this distribution in
15 * the file called "COPYING".
17 * Contact Information:
18 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
19 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
22 #include "fm10k_tlv.h"
25 * fm10k_tlv_msg_init - Initialize message block for TLV data storage
26 * @msg: Pointer to message block
27 * @msg_id: Message ID indicating message type
29 * This function return success if provided with a valid message pointer
31 s32 fm10k_tlv_msg_init(u32 *msg, u16 msg_id)
33 /* verify pointer is not NULL */
35 return FM10K_ERR_PARAM;
37 *msg = (FM10K_TLV_FLAGS_MSG << FM10K_TLV_FLAGS_SHIFT) | msg_id;
43 * fm10k_tlv_attr_put_null_string - Place null terminated string on message
44 * @msg: Pointer to message block
45 * @attr_id: Attribute ID
46 * @string: Pointer to string to be stored in attribute
48 * This function will reorder a string to be CPU endian and store it in
49 * the attribute buffer. It will return success if provided with a valid
52 static s32 fm10k_tlv_attr_put_null_string(u32 *msg, u16 attr_id,
53 const unsigned char *string)
55 u32 attr_data = 0, len = 0;
58 /* verify pointers are not NULL */
60 return FM10K_ERR_PARAM;
62 attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
64 /* copy string into local variable and then write to msg */
66 /* write data to message */
67 if (len && !(len % 4)) {
68 attr[len / 4] = attr_data;
72 /* record character to offset location */
73 attr_data |= (u32)(*string) << (8 * (len % 4));
76 /* test for NULL and then increment */
77 } while (*(string++));
79 /* write last piece of data to message */
80 attr[(len + 3) / 4] = attr_data;
82 /* record attribute header, update message length */
83 len <<= FM10K_TLV_LEN_SHIFT;
84 attr[0] = len | attr_id;
86 /* add header length to length */
87 len += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
88 *msg += FM10K_TLV_LEN_ALIGN(len);
94 * fm10k_tlv_attr_get_null_string - Get null terminated string from attribute
95 * @attr: Pointer to attribute
96 * @string: Pointer to location of destination string
98 * This function pulls the string back out of the attribute and will place
99 * it in the array pointed by by string. It will return success if provided
100 * with a valid pointers.
102 static s32 fm10k_tlv_attr_get_null_string(u32 *attr, unsigned char *string)
106 /* verify pointers are not NULL */
107 if (!string || !attr)
108 return FM10K_ERR_PARAM;
110 len = *attr >> FM10K_TLV_LEN_SHIFT;
114 string[len] = (u8)(attr[len / 4] >> (8 * (len % 4)));
120 * fm10k_tlv_attr_put_mac_vlan - Store MAC/VLAN attribute in message
121 * @msg: Pointer to message block
122 * @attr_id: Attribute ID
123 * @mac_addr: MAC address to be stored
124 * @vlan: VLAN to be stored
126 * This function will reorder a MAC address to be CPU endian and store it
127 * in the attribute buffer. It will return success if provided with a
130 s32 fm10k_tlv_attr_put_mac_vlan(u32 *msg, u16 attr_id,
131 const u8 *mac_addr, u16 vlan)
133 u32 len = ETH_ALEN << FM10K_TLV_LEN_SHIFT;
136 /* verify pointers are not NULL */
137 if (!msg || !mac_addr)
138 return FM10K_ERR_PARAM;
140 attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
142 /* record attribute header, update message length */
143 attr[0] = len | attr_id;
145 /* copy value into local variable and then write to msg */
146 attr[1] = le32_to_cpu(*(const __le32 *)&mac_addr[0]);
147 attr[2] = le16_to_cpu(*(const __le16 *)&mac_addr[4]);
148 attr[2] |= (u32)vlan << 16;
150 /* add header length to length */
151 len += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
152 *msg += FM10K_TLV_LEN_ALIGN(len);
158 * fm10k_tlv_attr_get_mac_vlan - Get MAC/VLAN stored in attribute
159 * @attr: Pointer to attribute
160 * @mac_addr: location of buffer to store MAC address
161 * @vlan: location of buffer to store VLAN
163 * This function pulls the MAC address back out of the attribute and will
164 * place it in the array pointed by by mac_addr. It will return success
165 * if provided with a valid pointers.
167 s32 fm10k_tlv_attr_get_mac_vlan(u32 *attr, u8 *mac_addr, u16 *vlan)
169 /* verify pointers are not NULL */
170 if (!mac_addr || !attr)
171 return FM10K_ERR_PARAM;
173 *(__le32 *)&mac_addr[0] = cpu_to_le32(attr[1]);
174 *(__le16 *)&mac_addr[4] = cpu_to_le16((u16)(attr[2]));
175 *vlan = (u16)(attr[2] >> 16);
181 * fm10k_tlv_attr_put_bool - Add header indicating value "true"
182 * @msg: Pointer to message block
183 * @attr_id: Attribute ID
185 * This function will simply add an attribute header, the fact
186 * that the header is here means the attribute value is true, else
187 * it is false. The function will return success if provided with a
190 s32 fm10k_tlv_attr_put_bool(u32 *msg, u16 attr_id)
192 /* verify pointers are not NULL */
194 return FM10K_ERR_PARAM;
196 /* record attribute header */
197 msg[FM10K_TLV_DWORD_LEN(*msg)] = attr_id;
199 /* add header length to length */
200 *msg += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
206 * fm10k_tlv_attr_put_value - Store integer value attribute in message
207 * @msg: Pointer to message block
208 * @attr_id: Attribute ID
209 * @value: Value to be written
210 * @len: Size of value
212 * This function will place an integer value of up to 8 bytes in size
213 * in a message attribute. The function will return success provided
214 * that msg is a valid pointer, and len is 1, 2, 4, or 8.
216 s32 fm10k_tlv_attr_put_value(u32 *msg, u16 attr_id, s64 value, u32 len)
220 /* verify non-null msg and len is 1, 2, 4, or 8 */
221 if (!msg || !len || len > 8 || (len & (len - 1)))
222 return FM10K_ERR_PARAM;
224 attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
227 attr[1] = (u32)value & (BIT(8 * len) - 1);
229 attr[1] = (u32)value;
231 attr[2] = (u32)(value >> 32);
234 /* record attribute header, update message length */
235 len <<= FM10K_TLV_LEN_SHIFT;
236 attr[0] = len | attr_id;
238 /* add header length to length */
239 len += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
240 *msg += FM10K_TLV_LEN_ALIGN(len);
246 * fm10k_tlv_attr_get_value - Get integer value stored in attribute
247 * @attr: Pointer to attribute
248 * @value: Pointer to destination buffer
249 * @len: Size of value
251 * This function will place an integer value of up to 8 bytes in size
252 * in the offset pointed to by value. The function will return success
253 * provided that pointers are valid and the len value matches the
256 s32 fm10k_tlv_attr_get_value(u32 *attr, void *value, u32 len)
258 /* verify pointers are not NULL */
260 return FM10K_ERR_PARAM;
262 if ((*attr >> FM10K_TLV_LEN_SHIFT) != len)
263 return FM10K_ERR_PARAM;
266 *(u64 *)value = ((u64)attr[2] << 32) | attr[1];
268 *(u32 *)value = attr[1];
270 *(u16 *)value = (u16)attr[1];
272 *(u8 *)value = (u8)attr[1];
278 * fm10k_tlv_attr_put_le_struct - Store little endian structure in message
279 * @msg: Pointer to message block
280 * @attr_id: Attribute ID
281 * @le_struct: Pointer to structure to be written
282 * @len: Size of le_struct
284 * This function will place a little endian structure value in a message
285 * attribute. The function will return success provided that all pointers
286 * are valid and length is a non-zero multiple of 4.
288 s32 fm10k_tlv_attr_put_le_struct(u32 *msg, u16 attr_id,
289 const void *le_struct, u32 len)
291 const __le32 *le32_ptr = (const __le32 *)le_struct;
295 /* verify non-null msg and len is in 32 bit words */
296 if (!msg || !len || (len % 4))
297 return FM10K_ERR_PARAM;
299 attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
301 /* copy le32 structure into host byte order at 32b boundaries */
302 for (i = 0; i < (len / 4); i++)
303 attr[i + 1] = le32_to_cpu(le32_ptr[i]);
305 /* record attribute header, update message length */
306 len <<= FM10K_TLV_LEN_SHIFT;
307 attr[0] = len | attr_id;
309 /* add header length to length */
310 len += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
311 *msg += FM10K_TLV_LEN_ALIGN(len);
317 * fm10k_tlv_attr_get_le_struct - Get little endian struct form attribute
318 * @attr: Pointer to attribute
319 * @le_struct: Pointer to structure to be written
320 * @len: Size of structure
322 * This function will place a little endian structure in the buffer
323 * pointed to by le_struct. The function will return success
324 * provided that pointers are valid and the len value matches the
327 s32 fm10k_tlv_attr_get_le_struct(u32 *attr, void *le_struct, u32 len)
329 __le32 *le32_ptr = (__le32 *)le_struct;
332 /* verify pointers are not NULL */
333 if (!le_struct || !attr)
334 return FM10K_ERR_PARAM;
336 if ((*attr >> FM10K_TLV_LEN_SHIFT) != len)
337 return FM10K_ERR_PARAM;
341 for (i = 0; len; i++, len -= 4)
342 le32_ptr[i] = cpu_to_le32(attr[i]);
348 * fm10k_tlv_attr_nest_start - Start a set of nested attributes
349 * @msg: Pointer to message block
350 * @attr_id: Attribute ID
352 * This function will mark off a new nested region for encapsulating
353 * a given set of attributes. The idea is if you wish to place a secondary
354 * structure within the message this mechanism allows for that. The
355 * function will return NULL on failure, and a pointer to the start
356 * of the nested attributes on success.
358 static u32 *fm10k_tlv_attr_nest_start(u32 *msg, u16 attr_id)
362 /* verify pointer is not NULL */
366 attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
370 /* return pointer to nest header */
375 * fm10k_tlv_attr_nest_stop - Stop a set of nested attributes
376 * @msg: Pointer to message block
378 * This function closes off an existing set of nested attributes. The
379 * message pointer should be pointing to the parent of the nest. So in
380 * the case of a nest within the nest this would be the outer nest pointer.
381 * This function will return success provided all pointers are valid.
383 static s32 fm10k_tlv_attr_nest_stop(u32 *msg)
388 /* verify pointer is not NULL */
390 return FM10K_ERR_PARAM;
392 /* locate the nested header and retrieve its length */
393 attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
394 len = (attr[0] >> FM10K_TLV_LEN_SHIFT) << FM10K_TLV_LEN_SHIFT;
396 /* only include nest if data was added to it */
398 len += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
406 * fm10k_tlv_attr_validate - Validate attribute metadata
407 * @attr: Pointer to attribute
408 * @tlv_attr: Type and length info for attribute
410 * This function does some basic validation of the input TLV. It
411 * verifies the length, and in the case of null terminated strings
412 * it verifies that the last byte is null. The function will
413 * return FM10K_ERR_PARAM if any attribute is malformed, otherwise
416 static s32 fm10k_tlv_attr_validate(u32 *attr,
417 const struct fm10k_tlv_attr *tlv_attr)
419 u32 attr_id = *attr & FM10K_TLV_ID_MASK;
420 u16 len = *attr >> FM10K_TLV_LEN_SHIFT;
422 /* verify this is an attribute and not a message */
423 if (*attr & (FM10K_TLV_FLAGS_MSG << FM10K_TLV_FLAGS_SHIFT))
424 return FM10K_ERR_PARAM;
426 /* search through the list of attributes to find a matching ID */
427 while (tlv_attr->id < attr_id)
430 /* if didn't find a match then we should exit */
431 if (tlv_attr->id != attr_id)
432 return FM10K_NOT_IMPLEMENTED;
434 /* move to start of attribute data */
437 switch (tlv_attr->type) {
438 case FM10K_TLV_NULL_STRING:
440 (attr[(len - 1) / 4] & (0xFF << (8 * ((len - 1) % 4)))))
441 return FM10K_ERR_PARAM;
442 if (len > tlv_attr->len)
443 return FM10K_ERR_PARAM;
445 case FM10K_TLV_MAC_ADDR:
447 return FM10K_ERR_PARAM;
451 return FM10K_ERR_PARAM;
453 case FM10K_TLV_UNSIGNED:
454 case FM10K_TLV_SIGNED:
455 if (len != tlv_attr->len)
456 return FM10K_ERR_PARAM;
458 case FM10K_TLV_LE_STRUCT:
459 /* struct must be 4 byte aligned */
460 if ((len % 4) || len != tlv_attr->len)
461 return FM10K_ERR_PARAM;
463 case FM10K_TLV_NESTED:
464 /* nested attributes must be 4 byte aligned */
466 return FM10K_ERR_PARAM;
469 /* attribute id is mapped to bad value */
470 return FM10K_ERR_PARAM;
477 * fm10k_tlv_attr_parse - Parses stream of attribute data
478 * @attr: Pointer to attribute list
479 * @results: Pointer array to store pointers to attributes
480 * @tlv_attr: Type and length info for attributes
482 * This function validates a stream of attributes and parses them
483 * up into an array of pointers stored in results. The function will
484 * return FM10K_ERR_PARAM on any input or message error,
485 * FM10K_NOT_IMPLEMENTED for any attribute that is outside of the array
486 * and 0 on success. Any attributes not found in tlv_attr will be silently
489 static s32 fm10k_tlv_attr_parse(u32 *attr, u32 **results,
490 const struct fm10k_tlv_attr *tlv_attr)
492 u32 i, attr_id, offset = 0;
496 /* verify pointers are not NULL */
497 if (!attr || !results)
498 return FM10K_ERR_PARAM;
500 /* initialize results to NULL */
501 for (i = 0; i < FM10K_TLV_RESULTS_MAX; i++)
504 /* pull length from the message header */
505 len = *attr >> FM10K_TLV_LEN_SHIFT;
507 /* no attributes to parse if there is no length */
511 /* no attributes to parse, just raw data, message becomes attribute */
517 /* move to start of attribute data */
520 /* run through list parsing all attributes */
521 while (offset < len) {
522 attr_id = *attr & FM10K_TLV_ID_MASK;
524 if (attr_id >= FM10K_TLV_RESULTS_MAX)
525 return FM10K_NOT_IMPLEMENTED;
527 err = fm10k_tlv_attr_validate(attr, tlv_attr);
528 if (err == FM10K_NOT_IMPLEMENTED)
529 ; /* silently ignore non-implemented attributes */
533 results[attr_id] = attr;
536 offset += FM10K_TLV_DWORD_LEN(*attr) * 4;
538 /* move to next attribute */
539 attr = &attr[FM10K_TLV_DWORD_LEN(*attr)];
542 /* we should find ourselves at the end of the list */
544 return FM10K_ERR_PARAM;
550 * fm10k_tlv_msg_parse - Parses message header and calls function handler
551 * @hw: Pointer to hardware structure
552 * @msg: Pointer to message
553 * @mbx: Pointer to mailbox information structure
554 * @data: Pointer to message handler data structure
556 * This function should be the first function called upon receiving a
557 * message. The handler will identify the message type and call the correct
558 * handler for the given message. It will return the value from the function
559 * call on a recognized message type, otherwise it will return
560 * FM10K_NOT_IMPLEMENTED on an unrecognized type.
562 s32 fm10k_tlv_msg_parse(struct fm10k_hw *hw, u32 *msg,
563 struct fm10k_mbx_info *mbx,
564 const struct fm10k_msg_data *data)
566 u32 *results[FM10K_TLV_RESULTS_MAX];
570 /* verify pointer is not NULL */
572 return FM10K_ERR_PARAM;
574 /* verify this is a message and not an attribute */
575 if (!(*msg & (FM10K_TLV_FLAGS_MSG << FM10K_TLV_FLAGS_SHIFT)))
576 return FM10K_ERR_PARAM;
578 /* grab message ID */
579 msg_id = *msg & FM10K_TLV_ID_MASK;
581 while (data->id < msg_id)
584 /* if we didn't find it then pass it up as an error */
585 if (data->id != msg_id) {
586 while (data->id != FM10K_TLV_ERROR)
590 /* parse the attributes into the results list */
591 err = fm10k_tlv_attr_parse(msg, results, data->attr);
595 return data->func(hw, results, mbx);
599 * fm10k_tlv_msg_error - Default handler for unrecognized TLV message IDs
600 * @hw: Pointer to hardware structure
601 * @results: Pointer array to message, results[0] is pointer to message
602 * @mbx: Unused mailbox pointer
604 * This function is a default handler for unrecognized messages. At a
605 * a minimum it just indicates that the message requested was
608 s32 fm10k_tlv_msg_error(struct fm10k_hw *hw, u32 **results,
609 struct fm10k_mbx_info *mbx)
611 return FM10K_NOT_IMPLEMENTED;
614 static const unsigned char test_str[] = "fm10k";
615 static const unsigned char test_mac[ETH_ALEN] = { 0x12, 0x34, 0x56,
617 static const u16 test_vlan = 0x0FED;
618 static const u64 test_u64 = 0xfedcba9876543210ull;
619 static const u32 test_u32 = 0x87654321;
620 static const u16 test_u16 = 0x8765;
621 static const u8 test_u8 = 0x87;
622 static const s64 test_s64 = -0x123456789abcdef0ll;
623 static const s32 test_s32 = -0x1235678;
624 static const s16 test_s16 = -0x1234;
625 static const s8 test_s8 = -0x12;
626 static const __le32 test_le[2] = { cpu_to_le32(0x12345678),
627 cpu_to_le32(0x9abcdef0)};
629 /* The message below is meant to be used as a test message to demonstrate
630 * how to use the TLV interface and to test the types. Normally this code
631 * be compiled out by stripping the code wrapped in FM10K_TLV_TEST_MSG
633 const struct fm10k_tlv_attr fm10k_tlv_msg_test_attr[] = {
634 FM10K_TLV_ATTR_NULL_STRING(FM10K_TEST_MSG_STRING, 80),
635 FM10K_TLV_ATTR_MAC_ADDR(FM10K_TEST_MSG_MAC_ADDR),
636 FM10K_TLV_ATTR_U8(FM10K_TEST_MSG_U8),
637 FM10K_TLV_ATTR_U16(FM10K_TEST_MSG_U16),
638 FM10K_TLV_ATTR_U32(FM10K_TEST_MSG_U32),
639 FM10K_TLV_ATTR_U64(FM10K_TEST_MSG_U64),
640 FM10K_TLV_ATTR_S8(FM10K_TEST_MSG_S8),
641 FM10K_TLV_ATTR_S16(FM10K_TEST_MSG_S16),
642 FM10K_TLV_ATTR_S32(FM10K_TEST_MSG_S32),
643 FM10K_TLV_ATTR_S64(FM10K_TEST_MSG_S64),
644 FM10K_TLV_ATTR_LE_STRUCT(FM10K_TEST_MSG_LE_STRUCT, 8),
645 FM10K_TLV_ATTR_NESTED(FM10K_TEST_MSG_NESTED),
646 FM10K_TLV_ATTR_S32(FM10K_TEST_MSG_RESULT),
651 * fm10k_tlv_msg_test_generate_data - Stuff message with data
652 * @msg: Pointer to message
653 * @attr_flags: List of flags indicating what attributes to add
655 * This function is meant to load a message buffer with attribute data
657 static void fm10k_tlv_msg_test_generate_data(u32 *msg, u32 attr_flags)
659 if (attr_flags & BIT(FM10K_TEST_MSG_STRING))
660 fm10k_tlv_attr_put_null_string(msg, FM10K_TEST_MSG_STRING,
662 if (attr_flags & BIT(FM10K_TEST_MSG_MAC_ADDR))
663 fm10k_tlv_attr_put_mac_vlan(msg, FM10K_TEST_MSG_MAC_ADDR,
664 test_mac, test_vlan);
665 if (attr_flags & BIT(FM10K_TEST_MSG_U8))
666 fm10k_tlv_attr_put_u8(msg, FM10K_TEST_MSG_U8, test_u8);
667 if (attr_flags & BIT(FM10K_TEST_MSG_U16))
668 fm10k_tlv_attr_put_u16(msg, FM10K_TEST_MSG_U16, test_u16);
669 if (attr_flags & BIT(FM10K_TEST_MSG_U32))
670 fm10k_tlv_attr_put_u32(msg, FM10K_TEST_MSG_U32, test_u32);
671 if (attr_flags & BIT(FM10K_TEST_MSG_U64))
672 fm10k_tlv_attr_put_u64(msg, FM10K_TEST_MSG_U64, test_u64);
673 if (attr_flags & BIT(FM10K_TEST_MSG_S8))
674 fm10k_tlv_attr_put_s8(msg, FM10K_TEST_MSG_S8, test_s8);
675 if (attr_flags & BIT(FM10K_TEST_MSG_S16))
676 fm10k_tlv_attr_put_s16(msg, FM10K_TEST_MSG_S16, test_s16);
677 if (attr_flags & BIT(FM10K_TEST_MSG_S32))
678 fm10k_tlv_attr_put_s32(msg, FM10K_TEST_MSG_S32, test_s32);
679 if (attr_flags & BIT(FM10K_TEST_MSG_S64))
680 fm10k_tlv_attr_put_s64(msg, FM10K_TEST_MSG_S64, test_s64);
681 if (attr_flags & BIT(FM10K_TEST_MSG_LE_STRUCT))
682 fm10k_tlv_attr_put_le_struct(msg, FM10K_TEST_MSG_LE_STRUCT,
687 * fm10k_tlv_msg_test_create - Create a test message testing all attributes
688 * @msg: Pointer to message
689 * @attr_flags: List of flags indicating what attributes to add
691 * This function is meant to load a message buffer with all attribute types
692 * including a nested attribute.
694 void fm10k_tlv_msg_test_create(u32 *msg, u32 attr_flags)
698 fm10k_tlv_msg_init(msg, FM10K_TLV_MSG_ID_TEST);
700 fm10k_tlv_msg_test_generate_data(msg, attr_flags);
702 /* check for nested attributes */
703 attr_flags >>= FM10K_TEST_MSG_NESTED;
706 nest = fm10k_tlv_attr_nest_start(msg, FM10K_TEST_MSG_NESTED);
708 fm10k_tlv_msg_test_generate_data(nest, attr_flags);
710 fm10k_tlv_attr_nest_stop(msg);
715 * fm10k_tlv_msg_test - Validate all results on test message receive
716 * @hw: Pointer to hardware structure
717 * @results: Pointer array to attributes in the message
718 * @mbx: Pointer to mailbox information structure
720 * This function does a check to verify all attributes match what the test
721 * message placed in the message buffer. It is the default handler
722 * for TLV test messages.
724 s32 fm10k_tlv_msg_test(struct fm10k_hw *hw, u32 **results,
725 struct fm10k_mbx_info *mbx)
727 u32 *nest_results[FM10K_TLV_RESULTS_MAX];
728 unsigned char result_str[80];
729 unsigned char result_mac[ETH_ALEN];
743 /* retrieve results of a previous test */
744 if (!!results[FM10K_TEST_MSG_RESULT])
745 return fm10k_tlv_attr_get_s32(results[FM10K_TEST_MSG_RESULT],
749 if (!!results[FM10K_TEST_MSG_STRING]) {
750 err = fm10k_tlv_attr_get_null_string(
751 results[FM10K_TEST_MSG_STRING],
753 if (!err && memcmp(test_str, result_str, sizeof(test_str)))
754 err = FM10K_ERR_INVALID_VALUE;
758 if (!!results[FM10K_TEST_MSG_MAC_ADDR]) {
759 err = fm10k_tlv_attr_get_mac_vlan(
760 results[FM10K_TEST_MSG_MAC_ADDR],
761 result_mac, &result_vlan);
762 if (!err && !ether_addr_equal(test_mac, result_mac))
763 err = FM10K_ERR_INVALID_VALUE;
764 if (!err && test_vlan != result_vlan)
765 err = FM10K_ERR_INVALID_VALUE;
769 if (!!results[FM10K_TEST_MSG_U8]) {
770 err = fm10k_tlv_attr_get_u8(results[FM10K_TEST_MSG_U8],
772 if (!err && test_u8 != result_u8)
773 err = FM10K_ERR_INVALID_VALUE;
777 if (!!results[FM10K_TEST_MSG_U16]) {
778 err = fm10k_tlv_attr_get_u16(results[FM10K_TEST_MSG_U16],
780 if (!err && test_u16 != result_u16)
781 err = FM10K_ERR_INVALID_VALUE;
785 if (!!results[FM10K_TEST_MSG_U32]) {
786 err = fm10k_tlv_attr_get_u32(results[FM10K_TEST_MSG_U32],
788 if (!err && test_u32 != result_u32)
789 err = FM10K_ERR_INVALID_VALUE;
793 if (!!results[FM10K_TEST_MSG_U64]) {
794 err = fm10k_tlv_attr_get_u64(results[FM10K_TEST_MSG_U64],
796 if (!err && test_u64 != result_u64)
797 err = FM10K_ERR_INVALID_VALUE;
801 if (!!results[FM10K_TEST_MSG_S8]) {
802 err = fm10k_tlv_attr_get_s8(results[FM10K_TEST_MSG_S8],
804 if (!err && test_s8 != result_s8)
805 err = FM10K_ERR_INVALID_VALUE;
809 if (!!results[FM10K_TEST_MSG_S16]) {
810 err = fm10k_tlv_attr_get_s16(results[FM10K_TEST_MSG_S16],
812 if (!err && test_s16 != result_s16)
813 err = FM10K_ERR_INVALID_VALUE;
817 if (!!results[FM10K_TEST_MSG_S32]) {
818 err = fm10k_tlv_attr_get_s32(results[FM10K_TEST_MSG_S32],
820 if (!err && test_s32 != result_s32)
821 err = FM10K_ERR_INVALID_VALUE;
825 if (!!results[FM10K_TEST_MSG_S64]) {
826 err = fm10k_tlv_attr_get_s64(results[FM10K_TEST_MSG_S64],
828 if (!err && test_s64 != result_s64)
829 err = FM10K_ERR_INVALID_VALUE;
833 if (!!results[FM10K_TEST_MSG_LE_STRUCT]) {
834 err = fm10k_tlv_attr_get_le_struct(
835 results[FM10K_TEST_MSG_LE_STRUCT],
838 if (!err && memcmp(test_le, result_le, sizeof(test_le)))
839 err = FM10K_ERR_INVALID_VALUE;
844 if (!!results[FM10K_TEST_MSG_NESTED]) {
845 /* clear any pointers */
846 memset(nest_results, 0, sizeof(nest_results));
848 /* parse the nested attributes into the nest results list */
849 err = fm10k_tlv_attr_parse(results[FM10K_TEST_MSG_NESTED],
851 fm10k_tlv_msg_test_attr);
855 /* loop back through to the start */
856 results = nest_results;
861 /* generate reply with test result */
862 fm10k_tlv_msg_init(reply, FM10K_TLV_MSG_ID_TEST);
863 fm10k_tlv_attr_put_s32(reply, FM10K_TEST_MSG_RESULT, err);
865 /* load onto outgoing mailbox */
866 return mbx->ops.enqueue_tx(hw, mbx, reply);