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74 lines
2.7 KiB
Diff
74 lines
2.7 KiB
Diff
From 5a43b0405561fb6feffb7042493b58014ac27a4d Mon Sep 17 00:00:00 2001
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From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
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Date: Tue, 12 Feb 2019 22:05:16 +0200
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Subject: [PATCH] dpaa2-eth: Add channel stat
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Compute average number of frames processed for each CDAN
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received on a channel and print it in the detailed channel
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stats.
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Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
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---
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drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c | 8 +++++---
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drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 1 +
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drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | 2 ++
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drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 2 +-
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4 files changed, 9 insertions(+), 4 deletions(-)
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--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
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+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
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@@ -132,16 +132,18 @@ static int dpaa2_dbg_ch_show(struct seq_
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int i;
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seq_printf(file, "Channel stats for %s:\n", priv->net_dev->name);
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- seq_printf(file, "%s%16s%16s%16s%16s\n",
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- "CHID", "CPU", "Deq busy", "CDANs", "Buf count");
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+ seq_printf(file, "%s%16s%16s%16s%16s%16s%16s\n",
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+ "CHID", "CPU", "Deq busy", "Frames", "CDANs", "Avg Frm/CDAN", "Buf count");
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for (i = 0; i < priv->num_channels; i++) {
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ch = priv->channel[i];
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- seq_printf(file, "%4d%16d%16llu%16llu%16d\n",
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+ seq_printf(file, "%4d%16d%16llu%16llu%16llu%16llu%16d\n",
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ch->ch_id,
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ch->nctx.desired_cpu,
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ch->stats.dequeue_portal_busy,
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+ ch->stats.frames,
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ch->stats.cdan,
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+ ch->stats.frames / ch->stats.cdan,
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ch->buf_count);
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}
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--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
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+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
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@@ -540,6 +540,7 @@ static int consume_frames(struct dpaa2_e
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return 0;
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fq->stats.frames += cleaned;
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+ ch->stats.frames += cleaned;
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/* A dequeue operation only pulls frames from a single queue
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* into the store. Return the frame queue as an out param.
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--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
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+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
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@@ -310,6 +310,8 @@ struct dpaa2_eth_ch_stats {
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__u64 xdp_tx;
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__u64 xdp_tx_err;
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__u64 xdp_redirect;
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+ /* Must be last, does not show up in ethtool stats */
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+ __u64 frames;
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};
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/* Maximum number of queues associated with a DPNI */
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--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
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+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
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@@ -234,7 +234,7 @@ static void dpaa2_eth_get_ethtool_stats(
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/* Per-channel stats */
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for (k = 0; k < priv->num_channels; k++) {
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ch_stats = &priv->channel[k]->stats;
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- for (j = 0; j < sizeof(*ch_stats) / sizeof(__u64); j++)
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+ for (j = 0; j < sizeof(*ch_stats) / sizeof(__u64) - 1; j++)
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*((__u64 *)data + i + j) += *((__u64 *)ch_stats + j);
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}
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i += j;
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