From: Ioana Radulescu <ruxandra.radule...@nxp.com>
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.radule...@nxp.com>
Signed-off-by: Ioana ciornei <ioana.cior...@nxp.com>
---
.../net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 41 ++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
index 0c831bf..a7389e7 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
@@ -48,6 +48,12 @@
"[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,
--
1.9.1
