Commit 8311f0be authored by Rahul Lakkireddy's avatar Rahul Lakkireddy Committed by Jakub Kicinski
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cxgb4: add stats for MQPRIO QoS offload Tx path 



Export necessary stats for traffic flowing through MQPRIO QoS offload
Tx path.

v2:
- No change.

Signed-off-by: default avatarRahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
parent 1a2a14fb

drivers/net/ethernet/chelsio/cxgb4/cxgb4.h

+1 −0
Original line number Diff line number Diff line
@@ -850,6 +850,7 @@ struct sge_eohw_txq { 
	struct sge_txq q; /* HW Txq */

	struct adapter *adap; /* Backpointer to adapter */

	unsigned long tso; /* # of TSO requests */

	unsigned long uso; /* # of USO requests */

	unsigned long tx_cso; /* # of Tx checksum offloads */

	unsigned long vlan_ins; /* # of Tx VLAN insertions */

	unsigned long mapping_err; /* # of I/O MMU packet mapping errors */

drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c

+1 −0
Original line number Diff line number Diff line
@@ -2797,6 +2797,7 @@ do { \ 
		RL("RxAN", stats.an);

		RL("RxNoMem", stats.nomem);

		TL("TSO:", tso);

		TL("USO:", uso);

		TL("TxCSO:", tx_cso);

		TL("VLANins:", vlan_ins);

		TL("TxQFull:", q.stops);

drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c

+12 −1
Original line number Diff line number Diff line
@@ -242,9 +242,10 @@ static void collect_sge_port_stats(const struct adapter *adap, 
				   const struct port_info *p,

				   struct queue_port_stats *s)

{

	int i;

	const struct sge_eth_txq *tx = &adap->sge.ethtxq[p->first_qset];

	const struct sge_eth_rxq *rx = &adap->sge.ethrxq[p->first_qset];

	struct sge_eohw_txq *eohw_tx;

	unsigned int i;



	memset(s, 0, sizeof(*s));

	for (i = 0; i < p->nqsets; i++, rx++, tx++) {
@@ -257,6 +258,16 @@ static void collect_sge_port_stats(const struct adapter *adap, 
		s->gro_pkts += rx->stats.lro_pkts;

		s->gro_merged += rx->stats.lro_merged;

	}



	if (adap->sge.eohw_txq) {

		eohw_tx = &adap->sge.eohw_txq[p->first_qset];

		for (i = 0; i < p->nqsets; i++, eohw_tx++) {

			s->tso += eohw_tx->tso;

			s->uso += eohw_tx->uso;

			s->tx_csum += eohw_tx->tx_cso;

			s->vlan_ins += eohw_tx->vlan_ins;

		}

	}

}



static void collect_adapter_stats(struct adapter *adap, struct adapter_stats *s)

drivers/net/ethernet/chelsio/cxgb4/sge.c

+14 −0
Original line number Diff line number Diff line
@@ -2262,6 +2262,19 @@ write_wr_headers: 
				d->addr);

	}



	if (skb_shinfo(skb)->gso_size) {

		if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4)

			eohw_txq->uso++;

		else

			eohw_txq->tso++;

		eohw_txq->tx_cso += skb_shinfo(skb)->gso_segs;

	} else if (skb->ip_summed == CHECKSUM_PARTIAL) {

		eohw_txq->tx_cso++;

	}



	if (skb_vlan_tag_present(skb))

		eohw_txq->vlan_ins++;



	txq_advance(&eohw_txq->q, ndesc);

	cxgb4_ring_tx_db(adap, &eohw_txq->q, ndesc);

	eosw_txq_advance_index(&eosw_txq->last_pidx, 1, eosw_txq->ndesc);
@@ -4546,6 +4559,7 @@ int t4_sge_alloc_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq, 
	spin_lock_init(&txq->lock);

	txq->adap = adap;

	txq->tso = 0;

	txq->uso = 0;

	txq->tx_cso = 0;

	txq->vlan_ins = 0;

	txq->mapping_err = 0;

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