Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 610febc6 authored by Ioana Radulescu's avatar Ioana Radulescu Committed by David S. Miller
Browse files

dpaa2-eth: Add QBMAN related stats 



Add statistics for pending frames in Rx/Tx conf FQs and
number of buffers in pool. Available through ethtool -S.

Signed-off-by: default avatarIoana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: default avatarIoana ciornei <ioana.ciornei@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e80081c3

drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c

+41 −0
Original line number Diff line number Diff line
@@ -48,6 +48,12 @@ static char dpaa2_ethtool_extras[][ETH_GSTRING_LEN] = { 
	"[drv] xdp drop",

	"[drv] xdp tx",

	"[drv] xdp tx errors",

	/* FQ stats */

	"[qbman] rx pending frames",

	"[qbman] rx pending bytes",

	"[qbman] tx conf pending frames",

	"[qbman] tx conf pending bytes",

	"[qbman] buffer count",

};



#define DPAA2_ETH_NUM_EXTRA_STATS	ARRAY_SIZE(dpaa2_ethtool_extras)
@@ -177,6 +183,10 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev, 
	int j, k, err;

	int num_cnt;

	union dpni_statistics dpni_stats;

	u32 fcnt, bcnt;

	u32 fcnt_rx_total = 0, fcnt_tx_total = 0;

	u32 bcnt_rx_total = 0, bcnt_tx_total = 0;

	u32 buf_cnt;

	struct dpaa2_eth_priv *priv = netdev_priv(net_dev);

	struct dpaa2_eth_drv_stats *extras;

	struct dpaa2_eth_ch_stats *ch_stats;
@@ -219,6 +229,37 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev, 
		for (j = 0; j < sizeof(*ch_stats) / sizeof(__u64); j++)

			*((__u64 *)data + i + j) += *((__u64 *)ch_stats + j);

	}

	i += j;



	for (j = 0; j < priv->num_fqs; j++) {

		/* Print FQ instantaneous counts */

		err = dpaa2_io_query_fq_count(NULL, priv->fq[j].fqid,

					      &fcnt, &bcnt);

		if (err) {

			netdev_warn(net_dev, "FQ query error %d", err);

			return;

		}



		if (priv->fq[j].type == DPAA2_TX_CONF_FQ) {

			fcnt_tx_total += fcnt;

			bcnt_tx_total += bcnt;

		} else {

			fcnt_rx_total += fcnt;

			bcnt_rx_total += bcnt;

		}

	}



	*(data + i++) = fcnt_rx_total;

	*(data + i++) = bcnt_rx_total;

	*(data + i++) = fcnt_tx_total;

	*(data + i++) = bcnt_tx_total;



	err = dpaa2_io_query_bp_count(NULL, priv->bpid, &buf_cnt);

	if (err) {

		netdev_warn(net_dev, "Buffer count query error %d\n", err);

		return;

	}

	*(data + i++) = buf_cnt;

}



static int prep_eth_rule(struct ethhdr *eth_value, struct ethhdr *eth_mask,