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net/sfc: fix generic byte statistics to exclude FCS bytes

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Generic byte statistics should not include Ethernet FCS bytes.

Fixes: 1caab2f1e6 ("net/sfc: add basic statistics")
Cc: stable@dpdk.org

Signed-off-by: Viacheslav Galaktionov <viacheslav.galaktionov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
This commit is contained in:
Viacheslav Galaktionov 2021-01-20 15:44:18 +03:00 committed by Ferruh Yigit
parent 061abae299
commit 8a6930361b
1 changed files with 9 additions and 0 deletions
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9
drivers/net/sfc/sfc_ethdev.c
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@ -640,10 +640,19 @@ sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
/* CRC is included in these stats, but shouldn't be */
stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
stats->obytes -= stats->opackets * RTE_ETHER_CRC_LEN;
} else {
stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
/* CRC is included in these stats, but shouldn't be */
stats->ibytes -= mac_stats[EFX_MAC_RX_PKTS] * RTE_ETHER_CRC_LEN;
stats->obytes -= mac_stats[EFX_MAC_TX_PKTS] * RTE_ETHER_CRC_LEN;
/*
* Take into account stats which are whenever supported
* on EF10. If some stat is not supported by current