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| author | Kittipon Meesompop <kmeesomp@linux.vnet.ibm.com> | 2018-04-26 09:42:19 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-04-27 19:38:48 +0200 |
| commit | 3aade31b2f2dce54d988a42d2e1974c82b25fccf (patch) | |
| tree | f59985d2e70f460ff954dcbfb918b5e923b844b1 /drivers/s390 | |
| parent | s390/qeth: disregard IPv4 header for RX csum offload (diff) | |
| download | linux-3aade31b2f2dce54d988a42d2e1974c82b25fccf.tar.xz linux-3aade31b2f2dce54d988a42d2e1974c82b25fccf.zip | |
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>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/net/qeth_core.h | 8 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 4 |
2 files changed, 9 insertions, 3 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 2cfeae485a08..e8108f6891b2 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -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) diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 7feb50ac0a8b..b90f38d78ad9 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -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); |