From: Jerome Pouiller <Jerome.Pouiller@silabs.com>
To: linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
Kalle Valo <kvalo@codeaurora.org>
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"David S . Miller" <davem@davemloft.net>,
devicetree@vger.kernel.org, "Rob Herring" <robh+dt@kernel.org>,
linux-mmc@vger.kernel.org, "Pali Rohár" <pali@kernel.org>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
"Jérôme Pouiller" <jerome.pouiller@silabs.com>
Subject: [PATCH v8 21/24] wfx: add debug.c/debug.h
Date: Tue, 5 Oct 2021 15:53:57 +0200 [thread overview]
Message-ID: <20211005135400.788058-22-Jerome.Pouiller@silabs.com> (raw)
In-Reply-To: <20211005135400.788058-1-Jerome.Pouiller@silabs.com>
From: Jérôme Pouiller <jerome.pouiller@silabs.com>
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
---
drivers/net/wireless/silabs/wfx/debug.c | 342 ++++++++++++++++++++++++
drivers/net/wireless/silabs/wfx/debug.h | 19 ++
2 files changed, 361 insertions(+)
create mode 100644 drivers/net/wireless/silabs/wfx/debug.c
create mode 100644 drivers/net/wireless/silabs/wfx/debug.h
diff --git a/drivers/net/wireless/silabs/wfx/debug.c b/drivers/net/wireless/silabs/wfx/debug.c
new file mode 100644
index 000000000000..a4bc7e566c23
--- /dev/null
+++ b/drivers/net/wireless/silabs/wfx/debug.c
@@ -0,0 +1,342 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Debugfs interface.
+ *
+ * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
+ * Copyright (c) 2010, ST-Ericsson
+ */
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/crc32.h>
+
+#include "debug.h"
+#include "wfx.h"
+#include "sta.h"
+#include "main.h"
+#include "hif_tx.h"
+#include "hif_tx_mib.h"
+
+#define CREATE_TRACE_POINTS
+#include "traces.h"
+
+static const struct trace_print_flags hif_msg_print_map[] = {
+ hif_msg_list,
+};
+
+static const struct trace_print_flags hif_mib_print_map[] = {
+ hif_mib_list,
+};
+
+static const struct trace_print_flags wfx_reg_print_map[] = {
+ wfx_reg_list,
+};
+
+static const char *get_symbol(unsigned long val,
+ const struct trace_print_flags *symbol_array)
+{
+ int i;
+
+ for (i = 0; symbol_array[i].mask != -1; i++) {
+ if (val == symbol_array[i].mask)
+ return symbol_array[i].name;
+ }
+
+ return "unknown";
+}
+
+const char *wfx_get_hif_name(unsigned long id)
+{
+ return get_symbol(id, hif_msg_print_map);
+}
+
+const char *wfx_get_mib_name(unsigned long id)
+{
+ return get_symbol(id, hif_mib_print_map);
+}
+
+const char *wfx_get_reg_name(unsigned long id)
+{
+ return get_symbol(id, wfx_reg_print_map);
+}
+
+static int wfx_counters_show(struct seq_file *seq, void *v)
+{
+ int ret, i;
+ struct wfx_dev *wdev = seq->private;
+ struct wfx_hif_mib_extended_count_table counters[3];
+
+ for (i = 0; i < ARRAY_SIZE(counters); i++) {
+ ret = wfx_hif_get_counters_table(wdev, i, counters + i);
+ if (ret < 0)
+ return ret;
+ if (ret > 0)
+ return -EIO;
+ }
+
+ seq_printf(seq, "%-24s %12s %12s %12s\n",
+ "", "global", "iface 0", "iface 1");
+
+#define PUT_COUNTER(name) \
+ seq_printf(seq, "%-24s %12d %12d %12d\n", #name, \
+ le32_to_cpu(counters[2].count_##name), \
+ le32_to_cpu(counters[0].count_##name), \
+ le32_to_cpu(counters[1].count_##name))
+
+ PUT_COUNTER(tx_frames);
+ PUT_COUNTER(tx_frames_multicast);
+ PUT_COUNTER(tx_frames_success);
+ PUT_COUNTER(tx_frames_retried);
+ PUT_COUNTER(tx_frames_multi_retried);
+ PUT_COUNTER(tx_frames_failed);
+
+ PUT_COUNTER(ack_failed);
+ PUT_COUNTER(rts_success);
+ PUT_COUNTER(rts_failed);
+
+ PUT_COUNTER(rx_frames);
+ PUT_COUNTER(rx_frames_multicast);
+ PUT_COUNTER(rx_frames_success);
+ PUT_COUNTER(rx_frames_failed);
+ PUT_COUNTER(drop_plcp);
+ PUT_COUNTER(drop_fcs);
+ PUT_COUNTER(drop_no_key);
+ PUT_COUNTER(drop_decryption);
+ PUT_COUNTER(drop_tkip_mic);
+ PUT_COUNTER(drop_bip_mic);
+ PUT_COUNTER(drop_cmac_icv);
+ PUT_COUNTER(drop_cmac_replay);
+ PUT_COUNTER(drop_ccmp_replay);
+ PUT_COUNTER(drop_duplicate);
+
+ PUT_COUNTER(rx_bcn_miss);
+ PUT_COUNTER(rx_bcn_success);
+ PUT_COUNTER(rx_bcn_dtim);
+ PUT_COUNTER(rx_bcn_dtim_aid0_clr);
+ PUT_COUNTER(rx_bcn_dtim_aid0_set);
+
+#undef PUT_COUNTER
+
+ for (i = 0; i < ARRAY_SIZE(counters[0].reserved); i++)
+ seq_printf(seq, "reserved[%02d]%12s %12d %12d %12d\n", i, "",
+ le32_to_cpu(counters[2].reserved[i]),
+ le32_to_cpu(counters[0].reserved[i]),
+ le32_to_cpu(counters[1].reserved[i]));
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(wfx_counters);
+
+static const char * const channel_names[] = {
+ [0] = "1M",
+ [1] = "2M",
+ [2] = "5.5M",
+ [3] = "11M",
+ /* Entries 4 and 5 does not exist */
+ [6] = "6M",
+ [7] = "9M",
+ [8] = "12M",
+ [9] = "18M",
+ [10] = "24M",
+ [11] = "36M",
+ [12] = "48M",
+ [13] = "54M",
+ [14] = "MCS0",
+ [15] = "MCS1",
+ [16] = "MCS2",
+ [17] = "MCS3",
+ [18] = "MCS4",
+ [19] = "MCS5",
+ [20] = "MCS6",
+ [21] = "MCS7",
+};
+
+static int wfx_rx_stats_show(struct seq_file *seq, void *v)
+{
+ struct wfx_dev *wdev = seq->private;
+ struct wfx_hif_rx_stats *st = &wdev->rx_stats;
+ int i;
+
+ mutex_lock(&wdev->rx_stats_lock);
+ seq_printf(seq, "Timestamp: %dus\n", st->date);
+ seq_printf(seq, "Low power clock: frequency %uHz, external %s\n",
+ le32_to_cpu(st->pwr_clk_freq),
+ st->is_ext_pwr_clk ? "yes" : "no");
+ seq_printf(seq,
+ "Num. of frames: %d, PER (x10e4): %d, Throughput: %dKbps/s\n",
+ st->nb_rx_frame, st->per_total, st->throughput);
+ seq_puts(seq, " Num. of PER RSSI SNR CFO\n");
+ seq_puts(seq, " frames (x10e4) (dBm) (dB) (kHz)\n");
+ for (i = 0; i < ARRAY_SIZE(channel_names); i++) {
+ if (channel_names[i])
+ seq_printf(seq, "%5s %8d %8d %8d %8d %8d\n",
+ channel_names[i],
+ le32_to_cpu(st->nb_rx_by_rate[i]),
+ le16_to_cpu(st->per[i]),
+ (s16)le16_to_cpu(st->rssi[i]) / 100,
+ (s16)le16_to_cpu(st->snr[i]) / 100,
+ (s16)le16_to_cpu(st->cfo[i]));
+ }
+ mutex_unlock(&wdev->rx_stats_lock);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(wfx_rx_stats);
+
+static int wfx_tx_power_loop_show(struct seq_file *seq, void *v)
+{
+ struct wfx_dev *wdev = seq->private;
+ struct wfx_hif_tx_power_loop_info *st = &wdev->tx_power_loop_info;
+ int tmp;
+
+ mutex_lock(&wdev->tx_power_loop_info_lock);
+ tmp = le16_to_cpu(st->tx_gain_dig);
+ seq_printf(seq, "Tx gain digital: %d\n", tmp);
+ tmp = le16_to_cpu(st->tx_gain_pa);
+ seq_printf(seq, "Tx gain PA: %d\n", tmp);
+ tmp = (s16)le16_to_cpu(st->target_pout);
+ seq_printf(seq, "Target Pout: %d.%02d dBm\n", tmp / 4, (tmp % 4) * 25);
+ tmp = (s16)le16_to_cpu(st->p_estimation);
+ seq_printf(seq, "FEM Pout: %d.%02d dBm\n", tmp / 4, (tmp % 4) * 25);
+ tmp = le16_to_cpu(st->vpdet);
+ seq_printf(seq, "Vpdet: %d mV\n", tmp);
+ seq_printf(seq, "Measure index: %d\n", st->measurement_index);
+ mutex_unlock(&wdev->tx_power_loop_info_lock);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(wfx_tx_power_loop);
+
+static ssize_t wfx_send_pds_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wfx_dev *wdev = file->private_data;
+ char *buf;
+ int ret;
+
+ if (*ppos != 0) {
+ dev_dbg(wdev->dev, "PDS data must be written in one transaction");
+ return -EBUSY;
+ }
+ buf = memdup_user(user_buf, count);
+ if (IS_ERR(buf))
+ return PTR_ERR(buf);
+ *ppos = *ppos + count;
+ ret = wfx_send_pds(wdev, buf, count);
+ kfree(buf);
+ if (ret < 0)
+ return ret;
+ return count;
+}
+
+static const struct file_operations wfx_send_pds_fops = {
+ .open = simple_open,
+ .write = wfx_send_pds_write,
+};
+
+struct dbgfs_hif_msg {
+ struct wfx_dev *wdev;
+ struct completion complete;
+ u8 reply[1024];
+ int ret;
+};
+
+static ssize_t wfx_send_hif_msg_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct dbgfs_hif_msg *context = file->private_data;
+ struct wfx_dev *wdev = context->wdev;
+ struct wfx_hif_msg *request;
+
+ if (completion_done(&context->complete)) {
+ dev_dbg(wdev->dev, "read previous result before start a new one\n");
+ return -EBUSY;
+ }
+ if (count < sizeof(struct wfx_hif_msg))
+ return -EINVAL;
+
+ /* wfx_cmd_send() checks that reply buffer is wide enough, but does not
+ * return precise length read. User have to know how many bytes should
+ * be read. Filling reply buffer with a memory pattern may help user.
+ */
+ memset(context->reply, 0xFF, sizeof(context->reply));
+ request = memdup_user(user_buf, count);
+ if (IS_ERR(request))
+ return PTR_ERR(request);
+ if (le16_to_cpu(request->len) != count) {
+ kfree(request);
+ return -EINVAL;
+ }
+ context->ret = wfx_cmd_send(wdev, request, context->reply,
+ sizeof(context->reply), false);
+
+ kfree(request);
+ complete(&context->complete);
+ return count;
+}
+
+static ssize_t wfx_send_hif_msg_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct dbgfs_hif_msg *context = file->private_data;
+ int ret;
+
+ if (count > sizeof(context->reply))
+ return -EINVAL;
+ ret = wait_for_completion_interruptible(&context->complete);
+ if (ret)
+ return ret;
+ if (context->ret < 0)
+ return context->ret;
+ /* Be careful, write() is waiting for a full message while read()
+ * only returns a payload
+ */
+ if (copy_to_user(user_buf, context->reply, count))
+ return -EFAULT;
+
+ return count;
+}
+
+static int wfx_send_hif_msg_open(struct inode *inode, struct file *file)
+{
+ struct dbgfs_hif_msg *context = kzalloc(sizeof(*context), GFP_KERNEL);
+
+ if (!context)
+ return -ENOMEM;
+ context->wdev = inode->i_private;
+ init_completion(&context->complete);
+ file->private_data = context;
+ return 0;
+}
+
+static int wfx_send_hif_msg_release(struct inode *inode, struct file *file)
+{
+ struct dbgfs_hif_msg *context = file->private_data;
+
+ kfree(context);
+ return 0;
+}
+
+static const struct file_operations wfx_send_hif_msg_fops = {
+ .open = wfx_send_hif_msg_open,
+ .release = wfx_send_hif_msg_release,
+ .write = wfx_send_hif_msg_write,
+ .read = wfx_send_hif_msg_read,
+};
+
+int wfx_debug_init(struct wfx_dev *wdev)
+{
+ struct dentry *d;
+
+ d = debugfs_create_dir("wfx", wdev->hw->wiphy->debugfsdir);
+ debugfs_create_file("counters", 0444, d, wdev, &wfx_counters_fops);
+ debugfs_create_file("rx_stats", 0444, d, wdev, &wfx_rx_stats_fops);
+ debugfs_create_file("tx_power_loop", 0444, d, wdev,
+ &wfx_tx_power_loop_fops);
+ debugfs_create_file("send_pds", 0200, d, wdev, &wfx_send_pds_fops);
+ debugfs_create_file("send_hif_msg", 0600, d, wdev,
+ &wfx_send_hif_msg_fops);
+
+ return 0;
+}
diff --git a/drivers/net/wireless/silabs/wfx/debug.h b/drivers/net/wireless/silabs/wfx/debug.h
new file mode 100644
index 000000000000..3840575e5e28
--- /dev/null
+++ b/drivers/net/wireless/silabs/wfx/debug.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Debugfs interface.
+ *
+ * Copyright (c) 2017-2019, Silicon Laboratories, Inc.
+ * Copyright (c) 2011, ST-Ericsson
+ */
+#ifndef WFX_DEBUG_H
+#define WFX_DEBUG_H
+
+struct wfx_dev;
+
+int wfx_debug_init(struct wfx_dev *wdev);
+
+const char *wfx_get_hif_name(unsigned long id);
+const char *wfx_get_mib_name(unsigned long id);
+const char *wfx_get_reg_name(unsigned long id);
+
+#endif
--
2.33.0
next prev parent reply other threads:[~2021-10-05 13:57 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-05 13:53 [PATCH v8 00/24] wfx: get out from the staging area Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 01/24] mmc: sdio: add SDIO IDs for Silabs WF200 chip Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 02/24] dt-bindings: introduce silabs,wfx.yaml Jerome Pouiller
2021-10-05 22:45 ` Rob Herring
2021-10-05 13:53 ` [PATCH v8 03/24] wfx: add Makefile/Kconfig Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 04/24] wfx: add wfx.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 05/24] wfx: add main.c/main.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 06/24] wfx: add bus.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 07/24] wfx: add bus_spi.c Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 08/24] wfx: add bus_sdio.c Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 09/24] wfx: add hwio.c/hwio.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 10/24] wfx: add fwio.c/fwio.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 11/24] wfx: add bh.c/bh.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 12/24] wfx: add hif_api_*.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 13/24] wfx: add hif_tx*.c/hif_tx*.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 14/24] wfx: add key.c/key.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 15/24] wfx: add hif_rx.c/hif_rx.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 16/24] wfx: add data_rx.c/data_rx.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 17/24] wfx: add queue.c/queue.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 18/24] wfx: add data_tx.c/data_tx.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 19/24] wfx: add sta.c/sta.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 20/24] wfx: add scan.c/scan.h Jerome Pouiller
2021-10-05 13:53 ` Jerome Pouiller [this message]
2021-10-05 13:53 ` [PATCH v8 22/24] wfx: add traces.h Jerome Pouiller
2021-10-05 13:53 ` [PATCH v8 23/24] wfx: remove from the staging area Jerome Pouiller
2021-10-05 13:54 ` [PATCH v8 24/24] wfx: get out " Jerome Pouiller
2021-10-05 14:15 ` [PATCH v8 00/24] " Kalle Valo
2021-10-05 16:22 ` Jérôme Pouiller
2021-10-05 17:49 ` Kalle Valo
2021-10-05 14:20 ` Kalle Valo
2021-10-05 15:51 ` Jérôme Pouiller
2021-10-07 8:22 ` Kalle Valo
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