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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: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Ioana ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ioana Radulescu 2018-12-18 15:23:01 +00:00 committed by David S. Miller
parent e80081c34b
commit 610febc68a
1 changed files with 41 additions and 0 deletions
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41
drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
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@ -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,