8c6ffba0ed
Sweep of the simple cases. Cc: netdev@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-arm-kernel@lists.infradead.org Cc: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
156 lines
3.8 KiB
C
156 lines
3.8 KiB
C
/*
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* Copyright (c) 2012 Broadcom Corporation
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* Copyright (c) 2012 Canonical Ltd.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/debugfs.h>
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#include <linux/if_ether.h>
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#include <linux/if.h>
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#include <linux/net.h>
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#include <linux/netdevice.h>
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#include <linux/ieee80211.h>
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#include <linux/module.h>
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#include <net/mac80211.h>
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#include <defs.h>
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#include <brcmu_wifi.h>
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#include <brcmu_utils.h>
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#include "types.h"
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#include "main.h"
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#include "debug.h"
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#include "brcms_trace_events.h"
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static struct dentry *root_folder;
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void brcms_debugfs_init(void)
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{
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root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
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if (IS_ERR(root_folder))
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root_folder = NULL;
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}
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void brcms_debugfs_exit(void)
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{
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if (!root_folder)
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return;
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debugfs_remove_recursive(root_folder);
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root_folder = NULL;
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}
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int brcms_debugfs_attach(struct brcms_pub *drvr)
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{
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if (!root_folder)
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return -ENODEV;
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drvr->dbgfs_dir = debugfs_create_dir(
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dev_name(&drvr->wlc->hw->d11core->dev), root_folder);
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return PTR_ERR_OR_ZERO(drvr->dbgfs_dir);
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}
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void brcms_debugfs_detach(struct brcms_pub *drvr)
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{
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if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
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debugfs_remove_recursive(drvr->dbgfs_dir);
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}
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struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr)
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{
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return drvr->dbgfs_dir;
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}
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static
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ssize_t brcms_debugfs_hardware_read(struct file *f, char __user *data,
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size_t count, loff_t *ppos)
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{
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char buf[128];
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int res;
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struct brcms_pub *drvr = f->private_data;
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/* only allow read from start */
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if (*ppos > 0)
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return 0;
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res = scnprintf(buf, sizeof(buf),
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"board vendor: %x\n"
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"board type: %x\n"
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"board revision: %x\n"
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"board flags: %x\n"
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"board flags2: %x\n"
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"firmware revision: %x\n",
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drvr->wlc->hw->d11core->bus->boardinfo.vendor,
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drvr->wlc->hw->d11core->bus->boardinfo.type,
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drvr->wlc->hw->boardrev,
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drvr->wlc->hw->boardflags,
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drvr->wlc->hw->boardflags2,
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drvr->wlc->ucode_rev
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);
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return simple_read_from_buffer(data, count, ppos, buf, res);
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}
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static const struct file_operations brcms_debugfs_hardware_ops = {
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.owner = THIS_MODULE,
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.open = simple_open,
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.read = brcms_debugfs_hardware_read
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};
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void brcms_debugfs_create_files(struct brcms_pub *drvr)
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{
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struct dentry *dentry = drvr->dbgfs_dir;
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if (!IS_ERR_OR_NULL(dentry))
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debugfs_create_file("hardware", S_IRUGO, dentry,
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drvr, &brcms_debugfs_hardware_ops);
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}
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#define __brcms_fn(fn) \
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void __brcms_ ##fn(struct device *dev, const char *fmt, ...) \
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{ \
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struct va_format vaf = { \
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.fmt = fmt, \
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}; \
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va_list args; \
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\
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va_start(args, fmt); \
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vaf.va = &args; \
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dev_ ##fn(dev, "%pV", &vaf); \
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trace_brcms_ ##fn(&vaf); \
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va_end(args); \
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}
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__brcms_fn(info)
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__brcms_fn(warn)
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__brcms_fn(err)
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__brcms_fn(crit)
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#if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING)
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void __brcms_dbg(struct device *dev, u32 level, const char *func,
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const char *fmt, ...)
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{
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struct va_format vaf = {
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.fmt = fmt,
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};
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va_list args;
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va_start(args, fmt);
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vaf.va = &args;
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#ifdef CONFIG_BRCMDBG
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if ((brcm_msg_level & level) && net_ratelimit())
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dev_err(dev, "%s %pV", func, &vaf);
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#endif
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trace_brcms_dbg(level, func, &vaf);
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va_end(args);
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}
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#endif
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