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staging: dpaa2-switch: export the 'no buffer' counter in ethtool

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Export the DPSW_CNT_ING_NO_BUFFER_DISCARD counter in ethtool for each
switch interface. This is useful for debugging purposes.

Signed-off-by: Ionut-robert Aron <ionut-robert.aron@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20201119165017.806696-2-ciorneiioana@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ionut-robert Aron 2020-11-19 18:50:15 +02:00 committed by Greg Kroah-Hartman
parent 8a3f7b9665
commit 54289aad81
3 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/staging/fsl-dpaa2/ethsw/dpsw-cmd.h
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@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 2014-2016 Freescale Semiconductor Inc.
* Copyright 2017-2018 NXP
* Copyright 2017-2020 NXP
*
*/
@ -10,12 +10,14 @@
/* DPSW Version */
#define DPSW_VER_MAJOR 8
#define DPSW_VER_MINOR 1
#define DPSW_VER_MINOR 5
#define DPSW_CMD_BASE_VERSION 1
#define DPSW_CMD_VERSION_2 2
#define DPSW_CMD_ID_OFFSET 4
#define DPSW_CMD_ID(id) (((id) << DPSW_CMD_ID_OFFSET) | DPSW_CMD_BASE_VERSION)
#define DPSW_CMD_V2(id) (((id) << DPSW_CMD_ID_OFFSET) | DPSW_CMD_VERSION_2)
/* Command IDs */
#define DPSW_CMDID_CLOSE DPSW_CMD_ID(0x800)
@ -38,7 +40,7 @@
#define DPSW_CMDID_IF_SET_TCI DPSW_CMD_ID(0x030)
#define DPSW_CMDID_IF_SET_STP DPSW_CMD_ID(0x031)
#define DPSW_CMDID_IF_GET_COUNTER DPSW_CMD_ID(0x034)
#define DPSW_CMDID_IF_GET_COUNTER DPSW_CMD_V2(0x034)
#define DPSW_CMDID_IF_ENABLE DPSW_CMD_ID(0x03D)
#define DPSW_CMDID_IF_DISABLE DPSW_CMD_ID(0x03E)

6
drivers/staging/fsl-dpaa2/ethsw/dpsw.h
View File

@ -334,9 +334,10 @@ enum dpsw_accepted_frames {
* @DPSW_CNT_ING_BCAST_FRAME: Counts ingress broadcast frames
* @DPSW_CNT_ING_BCAST_BYTES: Counts ingress broadcast bytes
* @DPSW_CNT_EGR_FRAME: Counts egress frames
* @DPSW_CNT_EGR_BYTE: Counts eEgress bytes
* @DPSW_CNT_EGR_BYTE: Counts egress bytes
* @DPSW_CNT_EGR_FRAME_DISCARD: Counts discarded egress frames
* @DPSW_CNT_EGR_STP_FRAME_DISCARD: Counts egress STP discarded frames
* @DPSW_CNT_ING_NO_BUFF_DISCARD: Counts ingress no buffer discarded frames
*/
enum dpsw_counter {
DPSW_CNT_ING_FRAME = 0x0,
@ -350,7 +351,8 @@ enum dpsw_counter {
DPSW_CNT_EGR_FRAME = 0x8,
DPSW_CNT_EGR_BYTE = 0x9,
DPSW_CNT_EGR_FRAME_DISCARD = 0xa,
DPSW_CNT_EGR_STP_FRAME_DISCARD = 0xb
DPSW_CNT_EGR_STP_FRAME_DISCARD = 0xb,
DPSW_CNT_ING_NO_BUFF_DISCARD = 0xc,
};
int dpsw_if_get_counter(struct fsl_mc_io *mc_io,

2
drivers/staging/fsl-dpaa2/ethsw/ethsw-ethtool.c
View File

@ -24,7 +24,7 @@ static struct {
{DPSW_CNT_EGR_FRAME, "tx frames"},
{DPSW_CNT_EGR_BYTE, "tx bytes"},
{DPSW_CNT_EGR_FRAME_DISCARD, "tx discarded frames"},
{DPSW_CNT_ING_NO_BUFF_DISCARD, "rx discarded no buffer frames"},
};
#define DPAA2_SWITCH_NUM_COUNTERS ARRAY_SIZE(dpaa2_switch_ethtool_counters)