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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
new file mode 100644
index 000000000..eecf8a38d
--- /dev/null
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ */
+#include <linux/debugfs.h>
+#include <linux/netdevice.h>
+#include <linux/module.h>
+#include <linux/devcoredump.h>
+
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+#include "core.h"
+#include "bus.h"
+#include "fweh.h"
+#include "debug.h"
+
+int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data,
+ size_t len)
+{
+ void *dump;
+ size_t ramsize;
+ int err;
+
+ ramsize = brcmf_bus_get_ramsize(bus);
+ if (!ramsize)
+ return -ENOTSUPP;
+
+ dump = vzalloc(len + ramsize);
+ if (!dump)
+ return -ENOMEM;
+
+ if (data && len > 0)
+ memcpy(dump, data, len);
+ err = brcmf_bus_get_memdump(bus, dump + len, ramsize);
+ if (err) {
+ vfree(dump);
+ return err;
+ }
+
+ dev_coredumpv(bus->dev, dump, len + ramsize, GFP_KERNEL);
+
+ return 0;
+}
+
+struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
+{
+ return drvr->wiphy->debugfsdir;
+}
+
+void brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
+ int (*read_fn)(struct seq_file *seq, void *data))
+{
+ WARN(!drvr->wiphy->debugfsdir, "wiphy not (yet) registered\n");
+ debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
+ drvr->wiphy->debugfsdir, read_fn);
+}