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);
+}