+
+static int i40e_get_regs(struct rte_eth_dev *dev,
+ struct rte_dev_reg_info *regs)
+{
+ struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint32_t *ptr_data = regs->data;
+ uint32_t reg_idx, arr_idx, arr_idx2, reg_offset;
+ const struct i40e_reg_info *reg_info;
+
+ if (ptr_data == NULL) {
+ regs->length = I40E_GLGEN_STAT_CLEAR + 4;
+ regs->width = sizeof(uint32_t);
+ return 0;
+ }
+
+ /* The first few registers have to be read using AQ operations */
+ reg_idx = 0;
+ while (i40e_regs_adminq[reg_idx].name) {
+ reg_info = &i40e_regs_adminq[reg_idx++];
+ for (arr_idx = 0; arr_idx <= reg_info->count1; arr_idx++)
+ for (arr_idx2 = 0;
+ arr_idx2 <= reg_info->count2;
+ arr_idx2++) {
+ reg_offset = arr_idx * reg_info->stride1 +
+ arr_idx2 * reg_info->stride2;
+ reg_offset += reg_info->base_addr;
+ ptr_data[reg_offset >> 2] =
+ i40e_read_rx_ctl(hw, reg_offset);
+ }
+ }
+
+ /* The remaining registers can be read using primitives */
+ reg_idx = 0;
+ while (i40e_regs_others[reg_idx].name) {
+ reg_info = &i40e_regs_others[reg_idx++];
+ for (arr_idx = 0; arr_idx <= reg_info->count1; arr_idx++)
+ for (arr_idx2 = 0;
+ arr_idx2 <= reg_info->count2;
+ arr_idx2++) {
+ reg_offset = arr_idx * reg_info->stride1 +
+ arr_idx2 * reg_info->stride2;
+ reg_offset += reg_info->base_addr;
+ ptr_data[reg_offset >> 2] =
+ I40E_READ_REG(hw, reg_offset);
+ }
+ }
+
+ return 0;
+}
+
+static int i40e_get_eeprom_length(struct rte_eth_dev *dev)
+{
+ struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ /* Convert word count to byte count */
+ return hw->nvm.sr_size << 1;
+}
+
+static int i40e_get_eeprom(struct rte_eth_dev *dev,
+ struct rte_dev_eeprom_info *eeprom)
+{
+ struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint16_t *data = eeprom->data;
+ uint16_t offset, length, cnt_words;
+ int ret_code;
+
+ offset = eeprom->offset >> 1;
+ length = eeprom->length >> 1;
+ cnt_words = length;
+
+ if (offset > hw->nvm.sr_size ||
+ offset + length > hw->nvm.sr_size) {
+ PMD_DRV_LOG(ERR, "Requested EEPROM bytes out of range.");
+ return -EINVAL;
+ }
+
+ eeprom->magic = hw->vendor_id | (hw->device_id << 16);
+
+ ret_code = i40e_read_nvm_buffer(hw, offset, &cnt_words, data);
+ if (ret_code != I40E_SUCCESS || cnt_words != length) {
+ PMD_DRV_LOG(ERR, "EEPROM read failed.");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static void i40e_set_default_mac_addr(struct rte_eth_dev *dev,
+ struct ether_addr *mac_addr)
+{
+ struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (!is_valid_assigned_ether_addr(mac_addr)) {
+ PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
+ return;
+ }
+
+ /* Flags: 0x3 updates port address */
+ i40e_aq_mac_address_write(hw, 0x3, mac_addr->addr_bytes, NULL);
+}
+
+static int
+i40e_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ struct rte_eth_dev_data *dev_data = pf->dev_data;
+ uint32_t frame_size = mtu + ETHER_HDR_LEN
+ + ETHER_CRC_LEN + I40E_VLAN_TAG_SIZE;
+ int ret = 0;
+
+ /* check if mtu is within the allowed range */
+ if ((mtu < ETHER_MIN_MTU) || (frame_size > I40E_FRAME_SIZE_MAX))
+ return -EINVAL;
+
+ /* mtu setting is forbidden if port is start */
+ if (dev_data->dev_started) {
+ PMD_DRV_LOG(ERR,
+ "port %d must be stopped before configuration\n",
+ dev_data->port_id);
+ return -EBUSY;
+ }
+
+ if (frame_size > ETHER_MAX_LEN)
+ dev_data->dev_conf.rxmode.jumbo_frame = 1;
+ else
+ dev_data->dev_conf.rxmode.jumbo_frame = 0;
+
+ dev_data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
+
+ return ret;
+}