From: Ioana Radulescu Date: Tue, 18 Dec 2018 15:23:01 +0000 (+0000) Subject: dpaa2-eth: Add QBMAN related stats X-Git-Tag: v5.0-rc1~129^2~43^2 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=610febc68ab79863eccaf829946a3d9278666772;p=linux.git 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 Signed-off-by: Ioana ciornei Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c index 0c831bffeb92..a7389e722c49 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c @@ -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,