mac80211: improve AP disconnect message

If the AP changes capability/bandwidth in some fashion, the
message might be somewhat misleading and we don't know what
really changed. Modify the message to speak about "caps/bw"
instead of just "bandwidth", and print out the flags.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210618133832.dc22c48985fa.I4bf5fbc17ec783c21d4b50c8c35b1de390896ccd@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 5e9f79b..6a59907 100644 (file)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -444,8 +444,8 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata,
                                      IEEE80211_STA_DISABLE_160MHZ)) ||
            !cfg80211_chandef_valid(&chandef)) {
                sdata_info(sdata,
-                          "AP %pM changed bandwidth in a way we can't support - disconnect\n",
-                          ifmgd->bssid);
+                          "AP %pM changed caps/bw in a way we can't support (0x%x/0x%x) - disconnect\n",
+                          ifmgd->bssid, flags, ifmgd->flags);
                return -EINVAL;
        }