Commit 77805ddb authored by Nelson Escobar's avatar Nelson Escobar Committed by Jakub Kicinski
Browse files

enic: Report per queue statistics in netdev qstats 



Report per queue wq/rq statistics in netdev qstats.

Signed-off-by: default avatarNelson Escobar <neescoba@cisco.com>
Signed-off-by: default avatarJohn Daley <johndale@cisco.com>
Signed-off-by: default avatarSatish Kharat <satishkh@cisco.com>
Link: https://patch.msgid.link/20240912005039.10797-4-neescoba@cisco.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent f3f91509

drivers/net/ethernet/cisco/enic/enic_main.c

+56 −0
Original line number Diff line number Diff line
@@ -46,6 +46,7 @@ 
#include <linux/crash_dump.h>

#include <net/busy_poll.h>

#include <net/vxlan.h>

#include <net/netdev_queues.h>



#include "cq_enet_desc.h"

#include "vnic_dev.h"
@@ -2571,6 +2572,54 @@ static void enic_clear_intr_mode(struct enic *enic) 
	vnic_dev_set_intr_mode(enic->vdev, VNIC_DEV_INTR_MODE_UNKNOWN);

}



static void enic_get_queue_stats_rx(struct net_device *dev, int idx,

				    struct netdev_queue_stats_rx *rxs)

{

	struct enic *enic = netdev_priv(dev);

	struct enic_rq_stats *rqstats = &enic->rq_stats[idx];



	rxs->bytes = rqstats->bytes;

	rxs->packets = rqstats->packets;

	rxs->hw_drops = rqstats->bad_fcs + rqstats->pkt_truncated;

	rxs->hw_drop_overruns = rqstats->pkt_truncated;

	rxs->csum_unnecessary = rqstats->csum_unnecessary +

				rqstats->csum_unnecessary_encap;

}



static void enic_get_queue_stats_tx(struct net_device *dev, int idx,

				    struct netdev_queue_stats_tx *txs)

{

	struct enic *enic = netdev_priv(dev);

	struct enic_wq_stats *wqstats = &enic->wq_stats[idx];



	txs->bytes = wqstats->bytes;

	txs->packets = wqstats->packets;

	txs->csum_none = wqstats->csum_none;

	txs->needs_csum = wqstats->csum_partial + wqstats->encap_csum +

			  wqstats->tso;

	txs->hw_gso_packets = wqstats->tso;

	txs->stop = wqstats->stopped;

	txs->wake = wqstats->wake;

}



static void enic_get_base_stats(struct net_device *dev,

				struct netdev_queue_stats_rx *rxs,

				struct netdev_queue_stats_tx *txs)

{

	rxs->bytes = 0;

	rxs->packets = 0;

	rxs->hw_drops = 0;

	rxs->hw_drop_overruns = 0;

	rxs->csum_unnecessary = 0;

	txs->bytes = 0;

	txs->packets = 0;

	txs->csum_none = 0;

	txs->needs_csum = 0;

	txs->hw_gso_packets = 0;

	txs->stop = 0;

	txs->wake = 0;

}



static const struct net_device_ops enic_netdev_dynamic_ops = {

	.ndo_open		= enic_open,

	.ndo_stop		= enic_stop,
@@ -2619,6 +2668,12 @@ static const struct net_device_ops enic_netdev_ops = { 
	.ndo_features_check	= enic_features_check,

};



static const struct netdev_stat_ops enic_netdev_stat_ops = {

	.get_queue_stats_rx	= enic_get_queue_stats_rx,

	.get_queue_stats_tx	= enic_get_queue_stats_tx,

	.get_base_stats		= enic_get_base_stats,

};



static void enic_dev_deinit(struct enic *enic)

{

	unsigned int i;
@@ -2961,6 +3016,7 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 
		netdev->netdev_ops = &enic_netdev_dynamic_ops;

	else

		netdev->netdev_ops = &enic_netdev_ops;

	netdev->stat_ops = &enic_netdev_stat_ops;



	netdev->watchdog_timeo = 2 * HZ;

	enic_set_ethtool_ops(netdev);