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Commit f61a0d05 authored by Frank Blaschka's avatar Frank Blaschka Committed by David S. Miller
Browse files

qeth: add statistics for tx csum 



Add statistics counter for software tx checksumming.

Signed-off-by: default avatarFrank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7f6d95e7

drivers/s390/net/qeth_core.h

+1 −0
Original line number Diff line number Diff line
@@ -134,6 +134,7 @@ struct qeth_perf_stats { 
	unsigned int sg_skbs_rx;

	unsigned int sg_frags_rx;

	unsigned int sg_alloc_page_rx;

	unsigned int tx_csum;

};



/* Routing stuff */

drivers/s390/net/qeth_core_main.c

+2 −0
Original line number Diff line number Diff line
@@ -4327,6 +4327,7 @@ static struct { 
/* 30 */{"tx count"},

	{"tx do_QDIO time"},

	{"tx do_QDIO count"},

	{"tx csum"},

};



int qeth_core_get_stats_count(struct net_device *dev)
@@ -4378,6 +4379,7 @@ void qeth_core_get_ethtool_stats(struct net_device *dev, 
	data[30] = card->perf_stats.outbound_cnt;

	data[31] = card->perf_stats.outbound_do_qdio_time;

	data[32] = card->perf_stats.outbound_do_qdio_cnt;

	data[33] = card->perf_stats.tx_csum;

}

EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats);

drivers/s390/net/qeth_l2_main.c

+4 −1
Original line number Diff line number Diff line
@@ -707,8 +707,11 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) 
	}



	if ((large_send == QETH_LARGE_SEND_NO) &&

	    (skb->ip_summed == CHECKSUM_PARTIAL))

	    (skb->ip_summed == CHECKSUM_PARTIAL)) {

		qeth_tx_csum(new_skb);

		if (card->options.performance_stats)

			card->perf_stats.tx_csum++;

	}



	if (card->info.type != QETH_CARD_TYPE_IQD)

		rc = qeth_do_send_packet(card, queue, new_skb, hdr,

drivers/s390/net/qeth_l3_main.c

+4 −1
Original line number Diff line number Diff line
@@ -2711,8 +2711,11 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) 
	}



	if ((large_send == QETH_LARGE_SEND_NO) &&

	    (new_skb->ip_summed == CHECKSUM_PARTIAL))

	    (new_skb->ip_summed == CHECKSUM_PARTIAL)) {

		qeth_tx_csum(new_skb);

		if (card->options.performance_stats)

			card->perf_stats.tx_csum++;

	}



	if (card->info.type != QETH_CARD_TYPE_IQD)

		rc = qeth_do_send_packet(card, queue, new_skb, hdr,