On 7/17/19 7:55 AM, Stephen Hemminger wrote:
On Wed, 17 Jul 2019 12:31:00 +0800 Qi Zhang <[email protected]> wrote:Exclude 4 bytes CRC for rx bytes stats. This also aligned Rx stats calculation with PF. Fixes: f4a41a6953af ("net/avf: support stats") Cc: [email protected] Signed-off-by: Qi Zhang <[email protected]> --- drivers/net/iavf/iavf_ethdev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c index 53dc05c78..fe75e86ab 100644 --- a/drivers/net/iavf/iavf_ethdev.c +++ b/drivers/net/iavf/iavf_ethdev.c @@ -1047,6 +1047,7 @@ iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) stats->imissed = pstats->rx_discards; stats->oerrors = pstats->tx_errors + pstats->tx_discards; stats->ibytes = pstats->rx_bytes; + stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN; stats->obytes = pstats->tx_bytes; } else { PMD_DRV_LOG(ERR, "Get statistics failed");Correct, DPDK statistics should not include CRC.
Stephen, Thomas, Ferruh, is it documented somewhere? May be we should update fields description and rte_eth_stats_get() which mentions these fields as well to highlight it? Thanks, Andrew.

