diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0208-dpaa2-eth-Add-channel-stat.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0208-dpaa2-eth-Add-channel-stat.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0208-dpaa2-eth-Add-channel-stat.patch b/target/linux/layerscape/patches-5.4/701-net-0208-dpaa2-eth-Add-channel-stat.patch new file mode 100644 index 0000000000..074078ec06 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0208-dpaa2-eth-Add-channel-stat.patch @@ -0,0 +1,73 @@ +From 5a43b0405561fb6feffb7042493b58014ac27a4d Mon Sep 17 00:00:00 2001 +From: Ioana Radulescu <ruxandra.radulescu@nxp.com> +Date: Tue, 12 Feb 2019 22:05:16 +0200 +Subject: [PATCH] dpaa2-eth: Add channel stat + +Compute average number of frames processed for each CDAN +received on a channel and print it in the detailed channel +stats. + +Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com> +--- + drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c | 8 +++++--- + drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 1 + + drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | 2 ++ + drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 2 +- + 4 files changed, 9 insertions(+), 4 deletions(-) + +--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c ++++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c +@@ -132,16 +132,18 @@ static int dpaa2_dbg_ch_show(struct seq_ + int i; + + seq_printf(file, "Channel stats for %s:\n", priv->net_dev->name); +- seq_printf(file, "%s%16s%16s%16s%16s\n", +- "CHID", "CPU", "Deq busy", "CDANs", "Buf count"); ++ seq_printf(file, "%s%16s%16s%16s%16s%16s%16s\n", ++ "CHID", "CPU", "Deq busy", "Frames", "CDANs", "Avg Frm/CDAN", "Buf count"); + + for (i = 0; i < priv->num_channels; i++) { + ch = priv->channel[i]; +- seq_printf(file, "%4d%16d%16llu%16llu%16d\n", ++ seq_printf(file, "%4d%16d%16llu%16llu%16llu%16llu%16d\n", + ch->ch_id, + ch->nctx.desired_cpu, + ch->stats.dequeue_portal_busy, ++ ch->stats.frames, + ch->stats.cdan, ++ ch->stats.frames / ch->stats.cdan, + ch->buf_count); + } + +--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c ++++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +@@ -540,6 +540,7 @@ static int consume_frames(struct dpaa2_e + return 0; + + fq->stats.frames += cleaned; ++ ch->stats.frames += cleaned; + + /* A dequeue operation only pulls frames from a single queue + * into the store. Return the frame queue as an out param. +--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h ++++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h +@@ -310,6 +310,8 @@ struct dpaa2_eth_ch_stats { + __u64 xdp_tx; + __u64 xdp_tx_err; + __u64 xdp_redirect; ++ /* Must be last, does not show up in ethtool stats */ ++ __u64 frames; + }; + + /* Maximum number of queues associated with a DPNI */ +--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c ++++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c +@@ -234,7 +234,7 @@ static void dpaa2_eth_get_ethtool_stats( + /* Per-channel stats */ + for (k = 0; k < priv->num_channels; k++) { + ch_stats = &priv->channel[k]->stats; +- for (j = 0; j < sizeof(*ch_stats) / sizeof(__u64); j++) ++ for (j = 0; j < sizeof(*ch_stats) / sizeof(__u64) - 1; j++) + *((__u64 *)data + i + j) += *((__u64 *)ch_stats + j); + } + i += j; |