net/ice: speed up to retrieve EEPROM

Replace ice_read_sr_word with ice_read_sr_buf in ice_get_eeprom.

Fixes: d0dd1c8e1997 ("net/ice: support EEPROM information getting")
Cc: stable@dpdk.org

Signed-off-by: Leyi Rong <leyi.rong@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Leyi Rong 2019-03-18 13:50:39 +08:00 committed by Ferruh Yigit
parent 3e0396166b
commit 68a1ab82ad

View File

@ -2814,26 +2814,26 @@ ice_get_eeprom(struct rte_eth_dev *dev,
{
struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint16_t *data = eeprom->data;
uint16_t offset, length, i;
enum ice_status ret_code = ICE_SUCCESS;
uint16_t first_word, last_word, nwords;
enum ice_status status = ICE_SUCCESS;
offset = eeprom->offset >> 1;
length = eeprom->length >> 1;
first_word = eeprom->offset >> 1;
last_word = (eeprom->offset + eeprom->length - 1) >> 1;
nwords = last_word - first_word + 1;
if (offset > hw->nvm.sr_words ||
offset + length > hw->nvm.sr_words) {
if (first_word > hw->nvm.sr_words ||
last_word > hw->nvm.sr_words) {
PMD_DRV_LOG(ERR, "Requested EEPROM bytes out of range.");
return -EINVAL;
}
eeprom->magic = hw->vendor_id | (hw->device_id << 16);
for (i = 0; i < length; i++) {
ret_code = ice_read_sr_word(hw, offset + i, &data[i]);
if (ret_code != ICE_SUCCESS) {
PMD_DRV_LOG(ERR, "EEPROM read failed.");
return -EIO;
}
status = ice_read_sr_buf(hw, first_word, &nwords, data);
if (status) {
PMD_DRV_LOG(ERR, "EEPROM read failed.");
eeprom->length = sizeof(uint16_t) * nwords;
return -EIO;
}
return 0;