fm10k: Add support for TLV message parsing and generation

This patch adds support for the TVL message formats supported by the PF,
VF, and Switch Management entity.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck 2014-09-20 19:46:30 -04:00 committed by Jeff Kirsher
parent 6d2ce9001b
commit ae17db0ee5
3 changed files with 686 additions and 1 deletions

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@ -27,4 +27,5 @@
obj-$(CONFIG_FM10K) += fm10k.o
fm10k-objs := fm10k_main.o fm10k_pci.o
fm10k-objs := fm10k_main.o fm10k_pci.o \
fm10k_tlv.o

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@ -0,0 +1,543 @@
/* Intel Ethernet Switch Host Interface Driver
* Copyright(c) 2013 - 2014 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*/
#include "fm10k_tlv.h"
/**
* 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;
*msg = (FM10K_TLV_FLAGS_MSG << FM10K_TLV_FLAGS_SHIFT) | msg_id;
return 0;
}
/**
* 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.
**/
s32 fm10k_tlv_attr_put_null_string(u32 *msg, u16 attr_id,
const unsigned char *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 by string. It will return success if provided
* with a valid pointers.
**/
s32 fm10k_tlv_attr_get_null_string(u32 *attr, unsigned char *string)
{
u32 len;
/* verify pointers are not NULL */
if (!string || !attr)
return FM10K_ERR_PARAM;
len = *attr >> FM10K_TLV_LEN_SHIFT;
attr++;
while (len--)
string[len] = (u8)(attr[len / 4] >> (8 * (len % 4)));
return 0;
}
/**
* 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
*
* 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
* @attr_id: Attribute ID
* @mac_addr: location of buffer to store MAC address
*
* This function pulls the MAC address back out of the attribute and will
* place it in the array pointed by 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;
*(__le32 *)&mac_addr[0] = cpu_to_le32(attr[1]);
*(__le16 *)&mac_addr[4] = cpu_to_le16((u16)(attr[2]));
*vlan = (u16)(attr[2] >> 16);
return 0;
}
/**
* 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;
/* add header length to length */
*msg += FM10K_TLV_HDR_LEN << FM10K_TLV_LEN_SHIFT;
return 0;
}
/**
* 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;
attr = &msg[FM10K_TLV_DWORD_LEN(*msg)];
if (len < 4) {
attr[1] = (u32)value & ((0x1ul << (8 * len)) - 1);
} else {
attr[1] = (u32)value;
if (len > 4)
attr[2] = (u32)(value >> 32);
}
/* 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;
if (len == 8)
*(u64 *)value = ((u64)attr[2] << 32) | attr[1];
else if (len == 4)
*(u32 *)value = attr[1];
else if (len == 2)
*(u16 *)value = (u16)attr[1];
else
*(u8 *)value = (u8)attr[1];
return 0;
}
/**
* 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,
const void *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.
**/
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_start - Start 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.
**/
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,
const struct 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.
**/
s32 fm10k_tlv_attr_parse(u32 *attr, u32 **results,
const struct fm10k_tlv_attr *tlv_attr)
{
u32 i, attr_id, offset = 0;
s32 err = 0;
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)
err = fm10k_tlv_attr_validate(attr, tlv_attr);
else
err = FM10K_NOT_IMPLEMENTED;
if (err < 0)
return err;
if (!err)
results[attr_id] = attr;
/* update offset */
offset += FM10K_TLV_DWORD_LEN(*attr) * 4;
/* 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;
}

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@ -0,0 +1,141 @@
/* Intel Ethernet Switch Host Interface Driver
* Copyright(c) 2013 - 2014 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*/
#ifndef _FM10K_TLV_H_
#define _FM10K_TLV_H_
#include "fm10k_type.h"
/* Message / Argument header format
* 3 2 1 0
* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Length | Flags | Type / ID |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
* The message header format described here is used for messages that are
* passed between the PF and the VF. To allow for messages larger then
* mailbox size we will provide a message with the above header and it
* will be segmented and transported to the mailbox to the other side where
* it is reassembled. It contains the following fields:
* Len: Length of the message in bytes excluding the message header
* Flags: TBD
* Rule: These will be the message/argument types we pass
*/
/* message data header */
#define FM10K_TLV_ID_SHIFT 0
#define FM10K_TLV_ID_SIZE 16
#define FM10K_TLV_ID_MASK ((1u << FM10K_TLV_ID_SIZE) - 1)
#define FM10K_TLV_FLAGS_SHIFT 16
#define FM10K_TLV_FLAGS_MSG 0x1
#define FM10K_TLV_FLAGS_SIZE 4
#define FM10K_TLV_LEN_SHIFT 20
#define FM10K_TLV_LEN_SIZE 12
#define FM10K_TLV_HDR_LEN 4ul
#define FM10K_TLV_LEN_ALIGN_MASK \
((FM10K_TLV_HDR_LEN - 1) << FM10K_TLV_LEN_SHIFT)
#define FM10K_TLV_LEN_ALIGN(tlv) \
(((tlv) + FM10K_TLV_LEN_ALIGN_MASK) & ~FM10K_TLV_LEN_ALIGN_MASK)
#define FM10K_TLV_DWORD_LEN(tlv) \
((u16)((FM10K_TLV_LEN_ALIGN(tlv)) >> (FM10K_TLV_LEN_SHIFT + 2)) + 1)
#define FM10K_TLV_RESULTS_MAX 32
enum fm10k_tlv_type {
FM10K_TLV_NULL_STRING,
FM10K_TLV_MAC_ADDR,
FM10K_TLV_BOOL,
FM10K_TLV_UNSIGNED,
FM10K_TLV_SIGNED,
FM10K_TLV_LE_STRUCT,
FM10K_TLV_NESTED,
FM10K_TLV_MAX_TYPE
};
#define FM10K_TLV_ERROR (~0u)
struct fm10k_tlv_attr {
unsigned int id;
enum fm10k_tlv_type type;
u16 len;
};
#define FM10K_TLV_ATTR_NULL_STRING(id, len) { id, FM10K_TLV_NULL_STRING, len }
#define FM10K_TLV_ATTR_MAC_ADDR(id) { id, FM10K_TLV_MAC_ADDR, 6 }
#define FM10K_TLV_ATTR_BOOL(id) { id, FM10K_TLV_BOOL, 0 }
#define FM10K_TLV_ATTR_U8(id) { id, FM10K_TLV_UNSIGNED, 1 }
#define FM10K_TLV_ATTR_U16(id) { id, FM10K_TLV_UNSIGNED, 2 }
#define FM10K_TLV_ATTR_U32(id) { id, FM10K_TLV_UNSIGNED, 4 }
#define FM10K_TLV_ATTR_U64(id) { id, FM10K_TLV_UNSIGNED, 8 }
#define FM10K_TLV_ATTR_S8(id) { id, FM10K_TLV_SIGNED, 1 }
#define FM10K_TLV_ATTR_S16(id) { id, FM10K_TLV_SIGNED, 2 }
#define FM10K_TLV_ATTR_S32(id) { id, FM10K_TLV_SIGNED, 4 }
#define FM10K_TLV_ATTR_S64(id) { id, FM10K_TLV_SIGNED, 8 }
#define FM10K_TLV_ATTR_LE_STRUCT(id, len) { id, FM10K_TLV_LE_STRUCT, len }
#define FM10K_TLV_ATTR_NESTED(id) { id, FM10K_TLV_NESTED }
#define FM10K_TLV_ATTR_LAST { FM10K_TLV_ERROR }
s32 fm10k_tlv_msg_init(u32 *, u16);
s32 fm10k_tlv_attr_put_null_string(u32 *, u16, const unsigned char *);
s32 fm10k_tlv_attr_get_null_string(u32 *, unsigned char *);
s32 fm10k_tlv_attr_put_mac_vlan(u32 *, u16, const u8 *, u16);
s32 fm10k_tlv_attr_get_mac_vlan(u32 *, u8 *, u16 *);
s32 fm10k_tlv_attr_put_bool(u32 *, u16);
s32 fm10k_tlv_attr_put_value(u32 *, u16, s64, u32);
#define fm10k_tlv_attr_put_u8(msg, attr_id, val) \
fm10k_tlv_attr_put_value(msg, attr_id, val, 1)
#define fm10k_tlv_attr_put_u16(msg, attr_id, val) \
fm10k_tlv_attr_put_value(msg, attr_id, val, 2)
#define fm10k_tlv_attr_put_u32(msg, attr_id, val) \
fm10k_tlv_attr_put_value(msg, attr_id, val, 4)
#define fm10k_tlv_attr_put_u64(msg, attr_id, val) \
fm10k_tlv_attr_put_value(msg, attr_id, val, 8)
#define fm10k_tlv_attr_put_s8(msg, attr_id, val) \
fm10k_tlv_attr_put_value(msg, attr_id, val, 1)
#define fm10k_tlv_attr_put_s16(msg, attr_id, val) \
fm10k_tlv_attr_put_value(msg, attr_id, val, 2)
#define fm10k_tlv_attr_put_s32(msg, attr_id, val) \
fm10k_tlv_attr_put_value(msg, attr_id, val, 4)
#define fm10k_tlv_attr_put_s64(msg, attr_id, val) \
fm10k_tlv_attr_put_value(msg, attr_id, val, 8)
s32 fm10k_tlv_attr_get_value(u32 *, void *, u32);
#define fm10k_tlv_attr_get_u8(attr, ptr) \
fm10k_tlv_attr_get_value(attr, ptr, sizeof(u8))
#define fm10k_tlv_attr_get_u16(attr, ptr) \
fm10k_tlv_attr_get_value(attr, ptr, sizeof(u16))
#define fm10k_tlv_attr_get_u32(attr, ptr) \
fm10k_tlv_attr_get_value(attr, ptr, sizeof(u32))
#define fm10k_tlv_attr_get_u64(attr, ptr) \
fm10k_tlv_attr_get_value(attr, ptr, sizeof(u64))
#define fm10k_tlv_attr_get_s8(attr, ptr) \
fm10k_tlv_attr_get_value(attr, ptr, sizeof(s8))
#define fm10k_tlv_attr_get_s16(attr, ptr) \
fm10k_tlv_attr_get_value(attr, ptr, sizeof(s16))
#define fm10k_tlv_attr_get_s32(attr, ptr) \
fm10k_tlv_attr_get_value(attr, ptr, sizeof(s32))
#define fm10k_tlv_attr_get_s64(attr, ptr) \
fm10k_tlv_attr_get_value(attr, ptr, sizeof(s64))
s32 fm10k_tlv_attr_put_le_struct(u32 *, u16, const void *, u32);
s32 fm10k_tlv_attr_get_le_struct(u32 *, void *, u32);
u32 *fm10k_tlv_attr_nest_start(u32 *, u16);
s32 fm10k_tlv_attr_nest_stop(u32 *);
s32 fm10k_tlv_attr_parse(u32 *, u32 **, const struct fm10k_tlv_attr *);
#endif /* _FM10K_MSG_H_ */