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s390/qeth: gather more detailed RX dropped/error statistics

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Where available, use the fine-grained counters in rtnl_link_stats64 to
indicate different RX error causes. For drop reasons, use driver-private
ethtool counters.

In particular this patch allows us to keep track of driver-side drops due
to unknown/unsupported HW descriptor format.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann
2019-11-14 11:19:14 +01:00
committed by David S. Miller
parent 24df31f8d5
commit 845ef9047b
5 changed files with 20 additions and 8 deletions
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1
drivers/s390/net/qeth_l2_main.c
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@@ -336,6 +336,7 @@ static int qeth_l2_process_inbound_buffer(struct qeth_card *card,
dev_kfree_skb_any(skb);
QETH_CARD_TEXT(card, 3, "inbunkno");
QETH_DBF_HEX(CTRL, 3, hdr, sizeof(*hdr));
QETH_CARD_STAT_INC(card, rx_dropped_notsupp);
continue;
}
work_done++;