/** * fm10k_tlv_msg_init - Initialize message block for TLV data storage * @msg: Pointer to message block * @msg_id: Message ID indicating message type * * This function return success if provided with a valid message pointer
**/
s32 fm10k_tlv_msg_init(u32 *msg, u16 msg_id)
{ /* verify pointer is not NULL */ if (!msg) return FM10K_ERR_PARAM;
/** * fm10k_tlv_attr_put_null_string - Place null terminated string on message * @msg: Pointer to message block * @attr_id: Attribute ID * @string: Pointer to string to be stored in attribute * * This function will reorder a string to be CPU endian and store it in * the attribute buffer. It will return success if provided with a valid * pointers.
**/ static s32 fm10k_tlv_attr_put_null_string(u32 *msg, u16 attr_id, constunsignedchar *string)
{
u32 attr_data = 0, len = 0;
u32 *attr;
/* verify pointers are not NULL */ if (!string || !msg) return FM10K_ERR_PARAM;
attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
/* copy string into local variable and then write to msg */ do { /* write data to message */ if (len && !(len % 4)) {
attr[len / 4] = attr_data;
attr_data = 0;
}
/* record character to offset location */
attr_data |= (u32)(*string) << (8 * (len % 4));
len++;
/* test for NULL and then increment */
} while (*(string++));
/* write last piece of data to message */
attr[(len + 3) / 4] = attr_data;
/* record attribute header, update message length */
len <<= FM10K_TLV_LEN_SHIFT;
attr[0] = len | attr_id;
/* add header length to length */
len += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
*msg += FM10K_TLV_LEN_ALIGN(len);
return 0;
}
/** * fm10k_tlv_attr_get_null_string - Get null terminated string from attribute * @attr: Pointer to attribute * @string: Pointer to location of destination string * * This function pulls the string back out of the attribute and will place * it in the array pointed by string. It will return success if provided * with a valid pointers.
**/ static s32 fm10k_tlv_attr_get_null_string(u32 *attr, unsignedchar *string)
{
u32 len;
/* verify pointers are not NULL */ if (!string || !attr) return FM10K_ERR_PARAM;
/** * fm10k_tlv_attr_put_mac_vlan - Store MAC/VLAN attribute in message * @msg: Pointer to message block * @attr_id: Attribute ID * @mac_addr: MAC address to be stored * @vlan: VLAN to be stored * * This function will reorder a MAC address to be CPU endian and store it * in the attribute buffer. It will return success if provided with a * valid pointers.
**/
s32 fm10k_tlv_attr_put_mac_vlan(u32 *msg, u16 attr_id, const u8 *mac_addr, u16 vlan)
{
u32 len = ETH_ALEN << FM10K_TLV_LEN_SHIFT;
u32 *attr;
/* verify pointers are not NULL */ if (!msg || !mac_addr) return FM10K_ERR_PARAM;
attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
/* record attribute header, update message length */
attr[0] = len | attr_id;
/* copy value into local variable and then write to msg */
attr[1] = le32_to_cpu(*(const __le32 *)&mac_addr[0]);
attr[2] = le16_to_cpu(*(const __le16 *)&mac_addr[4]);
attr[2] |= (u32)vlan << 16;
/* add header length to length */
len += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
*msg += FM10K_TLV_LEN_ALIGN(len);
return 0;
}
/** * fm10k_tlv_attr_get_mac_vlan - Get MAC/VLAN stored in attribute * @attr: Pointer to attribute * @mac_addr: location of buffer to store MAC address * @vlan: location of buffer to store VLAN * * This function pulls the MAC address back out of the attribute and will * place it in the array pointed by mac_addr. It will return success * if provided with a valid pointers.
**/
s32 fm10k_tlv_attr_get_mac_vlan(u32 *attr, u8 *mac_addr, u16 *vlan)
{ /* verify pointers are not NULL */ if (!mac_addr || !attr) return FM10K_ERR_PARAM;
/** * fm10k_tlv_attr_put_bool - Add header indicating value "true" * @msg: Pointer to message block * @attr_id: Attribute ID * * This function will simply add an attribute header, the fact * that the header is here means the attribute value is true, else * it is false. The function will return success if provided with a * valid pointers.
**/
s32 fm10k_tlv_attr_put_bool(u32 *msg, u16 attr_id)
{ /* verify pointers are not NULL */ if (!msg) return FM10K_ERR_PARAM;
/* record attribute header */
msg[FM10K_TLV_DWORD_LEN(*msg)] = attr_id;
/** * fm10k_tlv_attr_put_value - Store integer value attribute in message * @msg: Pointer to message block * @attr_id: Attribute ID * @value: Value to be written * @len: Size of value * * This function will place an integer value of up to 8 bytes in size * in a message attribute. The function will return success provided * that msg is a valid pointer, and len is 1, 2, 4, or 8.
**/
s32 fm10k_tlv_attr_put_value(u32 *msg, u16 attr_id, s64 value, u32 len)
{
u32 *attr;
/* verify non-null msg and len is 1, 2, 4, or 8 */ if (!msg || !len || len > 8 || (len & (len - 1))) return FM10K_ERR_PARAM;
/* record attribute header, update message length */
len <<= FM10K_TLV_LEN_SHIFT;
attr[0] = len | attr_id;
/* add header length to length */
len += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
*msg += FM10K_TLV_LEN_ALIGN(len);
return 0;
}
/** * fm10k_tlv_attr_get_value - Get integer value stored in attribute * @attr: Pointer to attribute * @value: Pointer to destination buffer * @len: Size of value * * This function will place an integer value of up to 8 bytes in size * in the offset pointed to by value. The function will return success * provided that pointers are valid and the len value matches the * attribute length.
**/
s32 fm10k_tlv_attr_get_value(u32 *attr, void *value, u32 len)
{ /* verify pointers are not NULL */ if (!attr || !value) return FM10K_ERR_PARAM;
if ((*attr >> FM10K_TLV_LEN_SHIFT) != len) return FM10K_ERR_PARAM;
/** * fm10k_tlv_attr_put_le_struct - Store little endian structure in message * @msg: Pointer to message block * @attr_id: Attribute ID * @le_struct: Pointer to structure to be written * @len: Size of le_struct * * This function will place a little endian structure value in a message * attribute. The function will return success provided that all pointers * are valid and length is a non-zero multiple of 4.
**/
s32 fm10k_tlv_attr_put_le_struct(u32 *msg, u16 attr_id, constvoid *le_struct, u32 len)
{ const __le32 *le32_ptr = (const __le32 *)le_struct;
u32 *attr;
u32 i;
/* verify non-null msg and len is in 32 bit words */ if (!msg || !len || (len % 4)) return FM10K_ERR_PARAM;
attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
/* copy le32 structure into host byte order at 32b boundaries */ for (i = 0; i < (len / 4); i++)
attr[i + 1] = le32_to_cpu(le32_ptr[i]);
/* record attribute header, update message length */
len <<= FM10K_TLV_LEN_SHIFT;
attr[0] = len | attr_id;
/* add header length to length */
len += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
*msg += FM10K_TLV_LEN_ALIGN(len);
return 0;
}
/** * fm10k_tlv_attr_get_le_struct - Get little endian struct form attribute * @attr: Pointer to attribute * @le_struct: Pointer to structure to be written * @len: Size of structure * * This function will place a little endian structure in the buffer * pointed to by le_struct. The function will return success * provided that pointers are valid and the len value matches the * attribute length.
**/
s32 fm10k_tlv_attr_get_le_struct(u32 *attr, void *le_struct, u32 len)
{
__le32 *le32_ptr = (__le32 *)le_struct;
u32 i;
/* verify pointers are not NULL */ if (!le_struct || !attr) return FM10K_ERR_PARAM;
if ((*attr >> FM10K_TLV_LEN_SHIFT) != len) return FM10K_ERR_PARAM;
attr++;
for (i = 0; len; i++, len -= 4)
le32_ptr[i] = cpu_to_le32(attr[i]);
return 0;
}
/** * fm10k_tlv_attr_nest_start - Start a set of nested attributes * @msg: Pointer to message block * @attr_id: Attribute ID * * This function will mark off a new nested region for encapsulating * a given set of attributes. The idea is if you wish to place a secondary * structure within the message this mechanism allows for that. The * function will return NULL on failure, and a pointer to the start * of the nested attributes on success.
**/ static u32 *fm10k_tlv_attr_nest_start(u32 *msg, u16 attr_id)
{
u32 *attr;
/* verify pointer is not NULL */ if (!msg) return NULL;
attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
attr[0] = attr_id;
/* return pointer to nest header */ return attr;
}
/** * fm10k_tlv_attr_nest_stop - Stop a set of nested attributes * @msg: Pointer to message block * * This function closes off an existing set of nested attributes. The * message pointer should be pointing to the parent of the nest. So in * the case of a nest within the nest this would be the outer nest pointer. * This function will return success provided all pointers are valid.
**/ static s32 fm10k_tlv_attr_nest_stop(u32 *msg)
{
u32 *attr;
u32 len;
/* verify pointer is not NULL */ if (!msg) return FM10K_ERR_PARAM;
/* locate the nested header and retrieve its length */
attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
len = (attr[0] >> FM10K_TLV_LEN_SHIFT) << FM10K_TLV_LEN_SHIFT;
/* only include nest if data was added to it */ if (len) {
len += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
*msg += len;
}
return 0;
}
/** * fm10k_tlv_attr_validate - Validate attribute metadata * @attr: Pointer to attribute * @tlv_attr: Type and length info for attribute * * This function does some basic validation of the input TLV. It * verifies the length, and in the case of null terminated strings * it verifies that the last byte is null. The function will * return FM10K_ERR_PARAM if any attribute is malformed, otherwise * it returns 0.
**/ static s32 fm10k_tlv_attr_validate(u32 *attr, conststruct fm10k_tlv_attr *tlv_attr)
{
u32 attr_id = *attr & FM10K_TLV_ID_MASK;
u16 len = *attr >> FM10K_TLV_LEN_SHIFT;
/* verify this is an attribute and not a message */ if (*attr & (FM10K_TLV_FLAGS_MSG << FM10K_TLV_FLAGS_SHIFT)) return FM10K_ERR_PARAM;
/* search through the list of attributes to find a matching ID */ while (tlv_attr->id < attr_id)
tlv_attr++;
/* if didn't find a match then we should exit */ if (tlv_attr->id != attr_id) return FM10K_NOT_IMPLEMENTED;
/* move to start of attribute data */
attr++;
switch (tlv_attr->type) { case FM10K_TLV_NULL_STRING: if (!len ||
(attr[(len - 1) / 4] & (0xFF << (8 * ((len - 1) % 4))))) return FM10K_ERR_PARAM; if (len > tlv_attr->len) return FM10K_ERR_PARAM; break; case FM10K_TLV_MAC_ADDR: if (len != ETH_ALEN) return FM10K_ERR_PARAM; break; case FM10K_TLV_BOOL: if (len) return FM10K_ERR_PARAM; break; case FM10K_TLV_UNSIGNED: case FM10K_TLV_SIGNED: if (len != tlv_attr->len) return FM10K_ERR_PARAM; break; case FM10K_TLV_LE_STRUCT: /* struct must be 4 byte aligned */ if ((len % 4) || len != tlv_attr->len) return FM10K_ERR_PARAM; break; case FM10K_TLV_NESTED: /* nested attributes must be 4 byte aligned */ if (len % 4) return FM10K_ERR_PARAM; break; default: /* attribute id is mapped to bad value */ return FM10K_ERR_PARAM;
}
return 0;
}
/** * fm10k_tlv_attr_parse - Parses stream of attribute data * @attr: Pointer to attribute list * @results: Pointer array to store pointers to attributes * @tlv_attr: Type and length info for attributes * * This function validates a stream of attributes and parses them * up into an array of pointers stored in results. The function will * return FM10K_ERR_PARAM on any input or message error, * FM10K_NOT_IMPLEMENTED for any attribute that is outside of the array * and 0 on success. Any attributes not found in tlv_attr will be silently * ignored.
**/ static s32 fm10k_tlv_attr_parse(u32 *attr, u32 **results, conststruct fm10k_tlv_attr *tlv_attr)
{
u32 i, attr_id, offset = 0;
s32 err;
u16 len;
/* verify pointers are not NULL */ if (!attr || !results) return FM10K_ERR_PARAM;
/* initialize results to NULL */ for (i = 0; i < FM10K_TLV_RESULTS_MAX; i++)
results[i] = NULL;
/* pull length from the message header */
len = *attr >> FM10K_TLV_LEN_SHIFT;
/* no attributes to parse if there is no length */ if (!len) return 0;
/* no attributes to parse, just raw data, message becomes attribute */ if (!tlv_attr) {
results[0] = attr; return 0;
}
/* move to start of attribute data */
attr++;
/* run through list parsing all attributes */ while (offset < len) {
attr_id = *attr & FM10K_TLV_ID_MASK;
if (attr_id >= FM10K_TLV_RESULTS_MAX) return FM10K_NOT_IMPLEMENTED;
/* move to next attribute */
attr = &attr[FM10K_TLV_DWORD_LEN(*attr)];
}
/* we should find ourselves at the end of the list */ if (offset != len) return FM10K_ERR_PARAM;
return 0;
}
/** * fm10k_tlv_msg_parse - Parses message header and calls function handler * @hw: Pointer to hardware structure * @msg: Pointer to message * @mbx: Pointer to mailbox information structure * @data: Pointer to message handler data structure * * This function should be the first function called upon receiving a * message. The handler will identify the message type and call the correct * handler for the given message. It will return the value from the function * call on a recognized message type, otherwise it will return * FM10K_NOT_IMPLEMENTED on an unrecognized type.
**/
s32 fm10k_tlv_msg_parse(struct fm10k_hw *hw, u32 *msg, struct fm10k_mbx_info *mbx, conststruct fm10k_msg_data *data)
{
u32 *results[FM10K_TLV_RESULTS_MAX];
u32 msg_id;
s32 err;
/* verify pointer is not NULL */ if (!msg || !data) return FM10K_ERR_PARAM;
/* verify this is a message and not an attribute */ if (!(*msg & (FM10K_TLV_FLAGS_MSG << FM10K_TLV_FLAGS_SHIFT))) return FM10K_ERR_PARAM;
/* grab message ID */
msg_id = *msg & FM10K_TLV_ID_MASK;
while (data->id < msg_id)
data++;
/* if we didn't find it then pass it up as an error */ if (data->id != msg_id) { while (data->id != FM10K_TLV_ERROR)
data++;
}
/* parse the attributes into the results list */
err = fm10k_tlv_attr_parse(msg, results, data->attr); if (err < 0) return err;
return data->func(hw, results, mbx);
}
/** * fm10k_tlv_msg_error - Default handler for unrecognized TLV message IDs * @hw: Pointer to hardware structure * @results: Pointer array to message, results[0] is pointer to message * @mbx: Unused mailbox pointer * * This function is a default handler for unrecognized messages. At a * minimum it just indicates that the message requested was * unimplemented.
**/
s32 fm10k_tlv_msg_error(struct fm10k_hw __always_unused *hw,
u32 __always_unused **results, struct fm10k_mbx_info __always_unused *mbx)
{ return FM10K_NOT_IMPLEMENTED;
}
/* The message below is meant to be used as a test message to demonstrate * how to use the TLV interface and to test the types. Normally this code * be compiled out by stripping the code wrapped in FM10K_TLV_TEST_MSG
*/ conststruct fm10k_tlv_attr fm10k_tlv_msg_test_attr[] = {
FM10K_TLV_ATTR_NULL_STRING(FM10K_TEST_MSG_STRING, 80),
FM10K_TLV_ATTR_MAC_ADDR(FM10K_TEST_MSG_MAC_ADDR),
FM10K_TLV_ATTR_U8(FM10K_TEST_MSG_U8),
FM10K_TLV_ATTR_U16(FM10K_TEST_MSG_U16),
FM10K_TLV_ATTR_U32(FM10K_TEST_MSG_U32),
FM10K_TLV_ATTR_U64(FM10K_TEST_MSG_U64),
FM10K_TLV_ATTR_S8(FM10K_TEST_MSG_S8),
FM10K_TLV_ATTR_S16(FM10K_TEST_MSG_S16),
FM10K_TLV_ATTR_S32(FM10K_TEST_MSG_S32),
FM10K_TLV_ATTR_S64(FM10K_TEST_MSG_S64),
FM10K_TLV_ATTR_LE_STRUCT(FM10K_TEST_MSG_LE_STRUCT, 8),
FM10K_TLV_ATTR_NESTED(FM10K_TEST_MSG_NESTED),
FM10K_TLV_ATTR_S32(FM10K_TEST_MSG_RESULT),
FM10K_TLV_ATTR_LAST
};
/** * fm10k_tlv_msg_test_generate_data - Stuff message with data * @msg: Pointer to message * @attr_flags: List of flags indicating what attributes to add * * This function is meant to load a message buffer with attribute data
**/ staticvoid fm10k_tlv_msg_test_generate_data(u32 *msg, u32 attr_flags)
{ if (attr_flags & BIT(FM10K_TEST_MSG_STRING))
fm10k_tlv_attr_put_null_string(msg, FM10K_TEST_MSG_STRING,
test_str); if (attr_flags & BIT(FM10K_TEST_MSG_MAC_ADDR))
fm10k_tlv_attr_put_mac_vlan(msg, FM10K_TEST_MSG_MAC_ADDR,
test_mac, test_vlan); if (attr_flags & BIT(FM10K_TEST_MSG_U8))
fm10k_tlv_attr_put_u8(msg, FM10K_TEST_MSG_U8, test_u8); if (attr_flags & BIT(FM10K_TEST_MSG_U16))
fm10k_tlv_attr_put_u16(msg, FM10K_TEST_MSG_U16, test_u16); if (attr_flags & BIT(FM10K_TEST_MSG_U32))
fm10k_tlv_attr_put_u32(msg, FM10K_TEST_MSG_U32, test_u32); if (attr_flags & BIT(FM10K_TEST_MSG_U64))
fm10k_tlv_attr_put_u64(msg, FM10K_TEST_MSG_U64, test_u64); if (attr_flags & BIT(FM10K_TEST_MSG_S8))
fm10k_tlv_attr_put_s8(msg, FM10K_TEST_MSG_S8, test_s8); if (attr_flags & BIT(FM10K_TEST_MSG_S16))
fm10k_tlv_attr_put_s16(msg, FM10K_TEST_MSG_S16, test_s16); if (attr_flags & BIT(FM10K_TEST_MSG_S32))
fm10k_tlv_attr_put_s32(msg, FM10K_TEST_MSG_S32, test_s32); if (attr_flags & BIT(FM10K_TEST_MSG_S64))
fm10k_tlv_attr_put_s64(msg, FM10K_TEST_MSG_S64, test_s64); if (attr_flags & BIT(FM10K_TEST_MSG_LE_STRUCT))
fm10k_tlv_attr_put_le_struct(msg, FM10K_TEST_MSG_LE_STRUCT,
test_le, 8);
}
/** * fm10k_tlv_msg_test_create - Create a test message testing all attributes * @msg: Pointer to message * @attr_flags: List of flags indicating what attributes to add * * This function is meant to load a message buffer with all attribute types * including a nested attribute.
**/ void fm10k_tlv_msg_test_create(u32 *msg, u32 attr_flags)
{
u32 *nest = NULL;
/** * fm10k_tlv_msg_test - Validate all results on test message receive * @hw: Pointer to hardware structure * @results: Pointer array to attributes in the message * @mbx: Pointer to mailbox information structure * * This function does a check to verify all attributes match what the test * message placed in the message buffer. It is the default handler * for TLV test messages.
**/
s32 fm10k_tlv_msg_test(struct fm10k_hw *hw, u32 **results, struct fm10k_mbx_info *mbx)
{
u32 *nest_results[FM10K_TLV_RESULTS_MAX]; unsignedchar result_str[80]; unsignedchar result_mac[ETH_ALEN];
s32 err = 0;
__le32 result_le[2];
u16 result_vlan;
u64 result_u64;
u32 result_u32;
u16 result_u16;
u8 result_u8;
s64 result_s64;
s32 result_s32;
s16 result_s16;
s8 result_s8;
u32 reply[3];
/* retrieve results of a previous test */ if (!!results[FM10K_TEST_MSG_RESULT]) return fm10k_tlv_attr_get_s32(results[FM10K_TEST_MSG_RESULT],
&mbx->test_result);
parse_nested: if (!!results[FM10K_TEST_MSG_STRING]) {
err = fm10k_tlv_attr_get_null_string(
results[FM10K_TEST_MSG_STRING],
result_str); if (!err && memcmp(test_str, result_str, sizeof(test_str)))
err = FM10K_ERR_INVALID_VALUE; if (err) goto report_result;
} if (!!results[FM10K_TEST_MSG_MAC_ADDR]) {
err = fm10k_tlv_attr_get_mac_vlan(
results[FM10K_TEST_MSG_MAC_ADDR],
result_mac, &result_vlan); if (!err && !ether_addr_equal(test_mac, result_mac))
err = FM10K_ERR_INVALID_VALUE; if (!err && test_vlan != result_vlan)
err = FM10K_ERR_INVALID_VALUE; if (err) goto report_result;
} if (!!results[FM10K_TEST_MSG_U8]) {
err = fm10k_tlv_attr_get_u8(results[FM10K_TEST_MSG_U8],
&result_u8); if (!err && test_u8 != result_u8)
err = FM10K_ERR_INVALID_VALUE; if (err) goto report_result;
} if (!!results[FM10K_TEST_MSG_U16]) {
err = fm10k_tlv_attr_get_u16(results[FM10K_TEST_MSG_U16],
&result_u16); if (!err && test_u16 != result_u16)
err = FM10K_ERR_INVALID_VALUE; if (err) goto report_result;
} if (!!results[FM10K_TEST_MSG_U32]) {
err = fm10k_tlv_attr_get_u32(results[FM10K_TEST_MSG_U32],
&result_u32); if (!err && test_u32 != result_u32)
err = FM10K_ERR_INVALID_VALUE; if (err) goto report_result;
} if (!!results[FM10K_TEST_MSG_U64]) {
err = fm10k_tlv_attr_get_u64(results[FM10K_TEST_MSG_U64],
&result_u64); if (!err && test_u64 != result_u64)
err = FM10K_ERR_INVALID_VALUE; if (err) goto report_result;
} if (!!results[FM10K_TEST_MSG_S8]) {
err = fm10k_tlv_attr_get_s8(results[FM10K_TEST_MSG_S8],
&result_s8); if (!err && test_s8 != result_s8)
err = FM10K_ERR_INVALID_VALUE; if (err) goto report_result;
} if (!!results[FM10K_TEST_MSG_S16]) {
err = fm10k_tlv_attr_get_s16(results[FM10K_TEST_MSG_S16],
&result_s16); if (!err && test_s16 != result_s16)
err = FM10K_ERR_INVALID_VALUE; if (err) goto report_result;
} if (!!results[FM10K_TEST_MSG_S32]) {
err = fm10k_tlv_attr_get_s32(results[FM10K_TEST_MSG_S32],
&result_s32); if (!err && test_s32 != result_s32)
err = FM10K_ERR_INVALID_VALUE; if (err) goto report_result;
} if (!!results[FM10K_TEST_MSG_S64]) {
err = fm10k_tlv_attr_get_s64(results[FM10K_TEST_MSG_S64],
&result_s64); if (!err && test_s64 != result_s64)
err = FM10K_ERR_INVALID_VALUE; if (err) goto report_result;
} if (!!results[FM10K_TEST_MSG_LE_STRUCT]) {
err = fm10k_tlv_attr_get_le_struct(
results[FM10K_TEST_MSG_LE_STRUCT],
result_le, sizeof(result_le)); if (!err && memcmp(test_le, result_le, sizeof(test_le)))
err = FM10K_ERR_INVALID_VALUE; if (err) goto report_result;
}
if (!!results[FM10K_TEST_MSG_NESTED]) { /* clear any pointers */
memset(nest_results, 0, sizeof(nest_results));
/* parse the nested attributes into the nest results list */
err = fm10k_tlv_attr_parse(results[FM10K_TEST_MSG_NESTED],
nest_results,
fm10k_tlv_msg_test_attr); if (err) goto report_result;
/* loop back through to the start */
results = nest_results; goto parse_nested;
}
report_result: /* generate reply with test result */
fm10k_tlv_msg_init(reply, FM10K_TLV_MSG_ID_TEST);
fm10k_tlv_attr_put_s32(reply, FM10K_TEST_MSG_RESULT, err);
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