external_auth
drvr->ops->external_auth = brcmf_cyw_external_auth;
.external_auth = external_auth,
.external_auth = qtnf_external_auth,
int (*external_auth)(struct wiphy *wiphy, struct net_device *dev,
if (!rdev->ops->external_auth)
if (rdev->ops->external_auth)
ret = rdev->ops->external_auth(&rdev->wiphy, dev, params);