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Commit cd389a34 authored by nohee ko's avatar nohee ko Committed by Greg Kroah-Hartman
Browse files

staging: brcm80211: brcmfmac: add debugfs, display wi-fi statistics 



Add debugfs to display wi-fi profile/statistics.
Initially some profile parameters such as dtim_period,
beacon_int will be seen at
/sys/kernel/debug/ieee80211/phy#/netdev:eth#.
This will provide users with current connection status.

Signed-off-by: default avatarNohee Ko <noheek@broadcom.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 1e0645c3

drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c

+43 −0
Original line number Diff line number Diff line
@@ -333,6 +333,12 @@ static __used s32 wl_update_pmklist(struct net_device *dev, 


static void wl_set_mpc(struct net_device *ndev, int mpc);



/*

* debufs support

*/

static int wl_debugfs_add_netdev_params(struct wl_priv *wl);

static void wl_debugfs_remove_netdev(struct wl_priv *wl);



#define WL_PRIV_GET() 							\

	({								\

	struct wl_iface *ci;						\
@@ -3814,6 +3820,8 @@ static s32 __wl_cfg80211_up(struct wl_priv *wl) 
{

	s32 err = 0;



	wl_debugfs_add_netdev_params(wl);



	err = wl_config_dongle(wl, false);

	if (unlikely(err))

		return err;
@@ -3851,6 +3859,8 @@ static s32 __wl_cfg80211_down(struct wl_priv *wl) 
	clear_bit(WL_STATUS_SCAN_ABORTING, &wl->status);

	clear_bit(WL_STATUS_CONNECTED, &wl->status);



	wl_debugfs_remove_netdev(wl);



	return err;

}
@@ -4186,3 +4196,36 @@ static void wl_set_mpc(struct net_device *ndev, int mpc) 
	}

	WL_DBG(("MPC : %d\n", mpc));

}



static int wl_debugfs_add_netdev_params(struct wl_priv *wl)

{

	char buf[10+IFNAMSIZ];

	struct dentry *fd;

	s32 err = 0;



	sprintf(buf, "netdev:%s", wl_to_ndev(wl)->name);

	wl->debugfsdir = debugfs_create_dir(buf, wl_to_wiphy(wl)->debugfsdir);



	fd = debugfs_create_u16("beacon_int", S_IRUGO, wl->debugfsdir,

		(u16 *)&wl->profile->beacon_interval);

	if (!fd) {

		err = -ENOMEM;

		goto err_out;

	}



	fd = debugfs_create_u8("dtim_period", S_IRUGO, wl->debugfsdir,

		(u8 *)&wl->profile->dtim_period);

	if (!fd) {

		err = -ENOMEM;

		goto err_out;

	}



err_out:

	return err;

}



static void wl_debugfs_remove_netdev(struct wl_priv *wl)

{

	debugfs_remove_recursive(wl->debugfsdir);

	wl->debugfsdir = NULL;

}

drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h

+1 −0
Original line number Diff line number Diff line
@@ -341,6 +341,7 @@ struct wl_priv { 
	bool scan_tried;	/* indicates if first scan attempted */

	u8 *ioctl_buf;	/* ioctl buffer */

	u8 *extra_buf;	/* maily to grab assoc information */

	struct dentry *debugfsdir;

	u8 ci[0] __attribute__ ((__aligned__(NETDEV_ALIGN)));

};