net/ice: speed up to retrieve EEPROM

[dpdk.git] / drivers / net / ice / ice_ethdev.c

diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index a23c63a..cdb5502 100644 (file)
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -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;