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s390/qeth: add stats counter for RX csum offload 

This matches the statistics we gather for the TX offload path.

Signed-off-by: Kittipon Meesompop <kmeesomp@linux.vnet.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Kittipon Meesompop 2018-04-26 09:42:19 +02:00 committed by David S. Miller
parent b339c24ebf
commit 3aade31b2f
2 changed files with 9 additions and 3 deletions
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8
drivers/s390/net/qeth_core.h
View File

@ -148,6 +148,7 @@ struct qeth_perf_stats {
unsigned int tx_csum;
unsigned int tx_lin;
unsigned int tx_linfail;
unsigned int rx_csum;
};
/* Routing stuff */
@ -868,10 +869,13 @@ static inline void qeth_rx_csum(struct qeth_card *card, struct sk_buff *skb,
u8 flags)
{
if ((card->dev->features & NETIF_F_RXCSUM) &&
(flags & QETH_HDR_EXT_CSUM_TRANSP_REQ))
(flags & QETH_HDR_EXT_CSUM_TRANSP_REQ)) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
if (card->options.performance_stats)
card->perf_stats.rx_csum++;
} else {
skb->ip_summed = CHECKSUM_NONE;
}
}
static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags)

4
drivers/s390/net/qeth_core_main.c
View File

@ -6005,7 +6005,8 @@ static struct {
{"tx lin"},
{"tx linfail"},
{"cq handler count"},
{"cq handler time"}
{"cq handler time"},
{"rx csum"}
};
int qeth_core_get_sset_count(struct net_device *dev, int stringset)
@ -6067,6 +6068,7 @@ void qeth_core_get_ethtool_stats(struct net_device *dev,
data[35] = card->perf_stats.tx_linfail;
data[36] = card->perf_stats.cq_cnt;
data[37] = card->perf_stats.cq_time;
data[38] = card->perf_stats.rx_csum;
}
EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats);