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path: root/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c
new file mode 100644
index 000000000000..7f89540b56da
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c
@@ -0,0 +1,126 @@
+/*
+ * 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/if_ether.h>
+#include <linux/if.h>
+#include <linux/ieee80211.h>
+#include <linux/module.h>
+
+#include <defs.h>
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+#include "dhd.h"
+#include "dhd_bus.h"
+#include "dhd_dbg.h"
+
+static struct dentry *root_folder;
+
+void brcmf_debugfs_init(void)
+{
+ root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
+ if (IS_ERR(root_folder))
+ root_folder = NULL;
+}
+
+void brcmf_debugfs_exit(void)
+{
+ if (!root_folder)
+ return;
+
+ debugfs_remove_recursive(root_folder);
+ root_folder = NULL;
+}
+
+int brcmf_debugfs_attach(struct brcmf_pub *drvr)
+{
+ if (!root_folder)
+ return -ENODEV;
+
+ drvr->dbgfs_dir = debugfs_create_dir(dev_name(drvr->dev), root_folder);
+ return PTR_RET(drvr->dbgfs_dir);
+}
+
+void brcmf_debugfs_detach(struct brcmf_pub *drvr)
+{
+ if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
+ debugfs_remove_recursive(drvr->dbgfs_dir);
+}
+
+struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
+{
+ return drvr->dbgfs_dir;
+}
+
+static
+ssize_t brcmf_debugfs_sdio_counter_read(struct file *f, char __user *data,
+ size_t count, loff_t *ppos)
+{
+ struct brcmf_sdio_count *sdcnt = f->private_data;
+ char buf[750];
+ int res;
+
+ /* only allow read from start */
+ if (*ppos > 0)
+ return 0;
+
+ res = scnprintf(buf, sizeof(buf),
+ "intrcount: %u\nlastintrs: %u\n"
+ "pollcnt: %u\nregfails: %u\n"
+ "tx_sderrs: %u\nfcqueued: %u\n"
+ "rxrtx: %u\nrx_toolong: %u\n"
+ "rxc_errors: %u\nrx_hdrfail: %u\n"
+ "rx_badhdr: %u\nrx_badseq: %u\n"
+ "fc_rcvd: %u\nfc_xoff: %u\n"
+ "fc_xon: %u\nrxglomfail: %u\n"
+ "rxglomframes: %u\nrxglompkts: %u\n"
+ "f2rxhdrs: %u\nf2rxdata: %u\n"
+ "f2txdata: %u\nf1regdata: %u\n"
+ "tickcnt: %u\ntx_ctlerrs: %lu\n"
+ "tx_ctlpkts: %lu\nrx_ctlerrs: %lu\n"
+ "rx_ctlpkts: %lu\nrx_readahead: %lu\n",
+ sdcnt->intrcount, sdcnt->lastintrs,
+ sdcnt->pollcnt, sdcnt->regfails,
+ sdcnt->tx_sderrs, sdcnt->fcqueued,
+ sdcnt->rxrtx, sdcnt->rx_toolong,
+ sdcnt->rxc_errors, sdcnt->rx_hdrfail,
+ sdcnt->rx_badhdr, sdcnt->rx_badseq,
+ sdcnt->fc_rcvd, sdcnt->fc_xoff,
+ sdcnt->fc_xon, sdcnt->rxglomfail,
+ sdcnt->rxglomframes, sdcnt->rxglompkts,
+ sdcnt->f2rxhdrs, sdcnt->f2rxdata,
+ sdcnt->f2txdata, sdcnt->f1regdata,
+ sdcnt->tickcnt, sdcnt->tx_ctlerrs,
+ sdcnt->tx_ctlpkts, sdcnt->rx_ctlerrs,
+ sdcnt->rx_ctlpkts, sdcnt->rx_readahead_cnt);
+
+ return simple_read_from_buffer(data, count, ppos, buf, res);
+}
+
+static const struct file_operations brcmf_debugfs_sdio_counter_ops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = brcmf_debugfs_sdio_counter_read
+};
+
+void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr,
+ struct brcmf_sdio_count *sdcnt)
+{
+ struct dentry *dentry = drvr->dbgfs_dir;
+
+ if (!IS_ERR_OR_NULL(dentry))
+ debugfs_create_file("counters", S_IRUGO, dentry,
+ sdcnt, &brcmf_debugfs_sdio_counter_ops);
+}