BRCMF_NETIF_STOP_REASON_FWS_FC
if ((ifp->netif_stop & BRCMF_NETIF_STOP_REASON_FWS_FC) &&
BRCMF_NETIF_STOP_REASON_FWS_FC, false);
if (!(ifp->netif_stop & BRCMF_NETIF_STOP_REASON_FWS_FC) &&
brcmf_txflowblock_if(ifp, BRCMF_NETIF_STOP_REASON_FWS_FC, true);