net/txgbe: support EEPROM info get

Add EEPROM information get related operations.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
This commit is contained in:
Jiawen Wu 2020-10-19 16:54:07 +08:00 committed by Ferruh Yigit
parent bc84ac0fad
commit 3cc8b50d69
5 changed files with 151 additions and 0 deletions

View File

@ -39,6 +39,8 @@ Basic stats = Y
Extended stats = Y
Stats per queue = Y
FW version = Y
EEPROM dump = Y
Module EEPROM dump = Y
Multiprocess aware = Y
Linux UIO = Y
Linux VFIO = Y

View File

@ -2740,8 +2740,12 @@ s32 txgbe_init_ops_pf(struct txgbe_hw *hw)
phy->setup_link_speed = txgbe_setup_phy_link_speed;
phy->read_i2c_byte = txgbe_read_i2c_byte;
phy->write_i2c_byte = txgbe_write_i2c_byte;
phy->read_i2c_sff8472 = txgbe_read_i2c_sff8472;
phy->read_i2c_eeprom = txgbe_read_i2c_eeprom;
phy->write_i2c_eeprom = txgbe_write_i2c_eeprom;
phy->identify_sfp = txgbe_identify_module;
phy->read_i2c_byte_unlocked = txgbe_read_i2c_byte_unlocked;
phy->write_i2c_byte_unlocked = txgbe_write_i2c_byte_unlocked;
phy->reset = txgbe_reset_phy;
/* MAC */

View File

@ -1176,6 +1176,22 @@ s32 txgbe_read_i2c_eeprom(struct txgbe_hw *hw, u8 byte_offset,
eeprom_data);
}
/**
* txgbe_read_i2c_sff8472 - Reads 8 bit word over I2C interface
* @hw: pointer to hardware structure
* @byte_offset: byte offset at address 0xA2
* @sff8472_data: value read
*
* Performs byte read operation to SFP module's SFF-8472 data over I2C
**/
s32 txgbe_read_i2c_sff8472(struct txgbe_hw *hw, u8 byte_offset,
u8 *sff8472_data)
{
return hw->phy.read_i2c_byte(hw, byte_offset,
TXGBE_I2C_EEPROM_DEV_ADDR2,
sff8472_data);
}
/**
* txgbe_write_i2c_eeprom - Writes 8 bit EEPROM word over I2C interface
* @hw: pointer to hardware structure

View File

@ -354,6 +354,7 @@ s32 txgbe_setup_phy_link_tnx(struct txgbe_hw *hw);
s32 txgbe_identify_module(struct txgbe_hw *hw);
s32 txgbe_identify_sfp_module(struct txgbe_hw *hw);
s32 txgbe_identify_qsfp_module(struct txgbe_hw *hw);
s32 txgbe_read_i2c_byte(struct txgbe_hw *hw, u8 byte_offset,
u8 dev_addr, u8 *data);
s32 txgbe_read_i2c_byte_unlocked(struct txgbe_hw *hw, u8 byte_offset,
@ -362,6 +363,8 @@ s32 txgbe_write_i2c_byte(struct txgbe_hw *hw, u8 byte_offset,
u8 dev_addr, u8 data);
s32 txgbe_write_i2c_byte_unlocked(struct txgbe_hw *hw, u8 byte_offset,
u8 dev_addr, u8 data);
s32 txgbe_read_i2c_sff8472(struct txgbe_hw *hw, u8 byte_offset,
u8 *sff8472_data);
s32 txgbe_read_i2c_eeprom(struct txgbe_hw *hw, u8 byte_offset,
u8 *eeprom_data);
s32 txgbe_write_i2c_eeprom(struct txgbe_hw *hw, u8 byte_offset,

View File

@ -3413,6 +3413,127 @@ txgbe_dev_set_mc_addr_list(struct rte_eth_dev *dev,
txgbe_dev_addr_list_itr, TRUE);
}
static int
txgbe_get_eeprom_length(struct rte_eth_dev *dev)
{
struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
/* Return unit is byte count */
return hw->rom.word_size * 2;
}
static int
txgbe_get_eeprom(struct rte_eth_dev *dev,
struct rte_dev_eeprom_info *in_eeprom)
{
struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
struct txgbe_rom_info *eeprom = &hw->rom;
uint16_t *data = in_eeprom->data;
int first, length;
first = in_eeprom->offset >> 1;
length = in_eeprom->length >> 1;
if (first > hw->rom.word_size ||
((first + length) > hw->rom.word_size))
return -EINVAL;
in_eeprom->magic = hw->vendor_id | (hw->device_id << 16);
return eeprom->readw_buffer(hw, first, length, data);
}
static int
txgbe_set_eeprom(struct rte_eth_dev *dev,
struct rte_dev_eeprom_info *in_eeprom)
{
struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
struct txgbe_rom_info *eeprom = &hw->rom;
uint16_t *data = in_eeprom->data;
int first, length;
first = in_eeprom->offset >> 1;
length = in_eeprom->length >> 1;
if (first > hw->rom.word_size ||
((first + length) > hw->rom.word_size))
return -EINVAL;
in_eeprom->magic = hw->vendor_id | (hw->device_id << 16);
return eeprom->writew_buffer(hw, first, length, data);
}
static int
txgbe_get_module_info(struct rte_eth_dev *dev,
struct rte_eth_dev_module_info *modinfo)
{
struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
uint32_t status;
uint8_t sff8472_rev, addr_mode;
bool page_swap = false;
/* Check whether we support SFF-8472 or not */
status = hw->phy.read_i2c_eeprom(hw,
TXGBE_SFF_SFF_8472_COMP,
&sff8472_rev);
if (status != 0)
return -EIO;
/* addressing mode is not supported */
status = hw->phy.read_i2c_eeprom(hw,
TXGBE_SFF_SFF_8472_SWAP,
&addr_mode);
if (status != 0)
return -EIO;
if (addr_mode & TXGBE_SFF_ADDRESSING_MODE) {
PMD_DRV_LOG(ERR,
"Address change required to access page 0xA2, "
"but not supported. Please report the module "
"type to the driver maintainers.");
page_swap = true;
}
if (sff8472_rev == TXGBE_SFF_SFF_8472_UNSUP || page_swap) {
/* We have a SFP, but it does not support SFF-8472 */
modinfo->type = RTE_ETH_MODULE_SFF_8079;
modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8079_LEN;
} else {
/* We have a SFP which supports a revision of SFF-8472. */
modinfo->type = RTE_ETH_MODULE_SFF_8472;
modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8472_LEN;
}
return 0;
}
static int
txgbe_get_module_eeprom(struct rte_eth_dev *dev,
struct rte_dev_eeprom_info *info)
{
struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
uint32_t status = TXGBE_ERR_PHY_ADDR_INVALID;
uint8_t databyte = 0xFF;
uint8_t *data = info->data;
uint32_t i = 0;
if (info->length == 0)
return -EINVAL;
for (i = info->offset; i < info->offset + info->length; i++) {
if (i < RTE_ETH_MODULE_SFF_8079_LEN)
status = hw->phy.read_i2c_eeprom(hw, i, &databyte);
else
status = hw->phy.read_i2c_sff8472(hw, i, &databyte);
if (status != 0)
return -EIO;
data[i - info->offset] = databyte;
}
return 0;
}
bool
txgbe_rss_update_sp(enum txgbe_mac_type mac_type)
{
@ -3479,6 +3600,11 @@ static const struct eth_dev_ops txgbe_eth_dev_ops = {
.set_mc_addr_list = txgbe_dev_set_mc_addr_list,
.rxq_info_get = txgbe_rxq_info_get,
.txq_info_get = txgbe_txq_info_get,
.get_eeprom_length = txgbe_get_eeprom_length,
.get_eeprom = txgbe_get_eeprom,
.set_eeprom = txgbe_set_eeprom,
.get_module_info = txgbe_get_module_info,
.get_module_eeprom = txgbe_get_module_eeprom,
};
RTE_PMD_REGISTER_PCI(net_txgbe, rte_txgbe_pmd);