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: Nohee Ko <[email protected]> --- drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c | 43 ++++++++++++++++++++++ drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h | 1 + 2 files changed, 44 insertions(+), 0 deletions(-) diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c index 5bda856..621521b 100644 --- a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c @@ -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; +} diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h index 72d1240..f90ecae 100644 --- a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h +++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h @@ -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))); }; -- 1.7.0.4 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
