+static void
+i40evf_stat_update_48(uint64_t *offset,
+ uint64_t *stat)
+{
+ if (*stat >= *offset)
+ *stat = *stat - *offset;
+ else
+ *stat = (uint64_t)((*stat +
+ ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
+
+ *stat &= I40E_48_BIT_MASK;
+}
+
+static void
+i40evf_stat_update_32(uint64_t *offset,
+ uint64_t *stat)
+{
+ if (*stat >= *offset)
+ *stat = (uint64_t)(*stat - *offset);
+ else
+ *stat = (uint64_t)((*stat +
+ ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
+}
+
+static void
+i40evf_update_vsi_stats(struct i40e_vsi *vsi,
+ struct i40e_eth_stats *nes)
+{
+ struct i40e_eth_stats *oes = &vsi->eth_stats_offset;
+
+ i40evf_stat_update_48(&oes->rx_bytes,
+ &nes->rx_bytes);
+ i40evf_stat_update_48(&oes->rx_unicast,
+ &nes->rx_unicast);
+ i40evf_stat_update_48(&oes->rx_multicast,
+ &nes->rx_multicast);
+ i40evf_stat_update_48(&oes->rx_broadcast,
+ &nes->rx_broadcast);
+ i40evf_stat_update_32(&oes->rx_discards,
+ &nes->rx_discards);
+ i40evf_stat_update_32(&oes->rx_unknown_protocol,
+ &nes->rx_unknown_protocol);
+ i40evf_stat_update_48(&oes->tx_bytes,
+ &nes->tx_bytes);
+ i40evf_stat_update_48(&oes->tx_unicast,
+ &nes->tx_unicast);
+ i40evf_stat_update_48(&oes->tx_multicast,
+ &nes->tx_multicast);
+ i40evf_stat_update_48(&oes->tx_broadcast,
+ &nes->tx_broadcast);
+ i40evf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
+ i40evf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
+}
+