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path: root/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
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Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c70
1 files changed, 70 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 0000000..489b5df
--- /dev/null
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2012 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#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;
+}
+
+int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
+ int (*read_fn)(struct seq_file *seq, void *data))
+{
+ struct dentry *e;
+
+ WARN(!drvr->wiphy->debugfsdir, "wiphy not (yet) registered\n");
+ e = debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
+ drvr->wiphy->debugfsdir, read_fn);
+ return PTR_ERR_OR_ZERO(e);
+}