diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 4cc9abd61c43585f2d26f59af978c7ea17bc39d0..946925bbcb2de93629f45c3b9eecbfaf7338e8d1 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -452,11 +452,17 @@ struct mvneta_pcpu_port { u32 cause_rx_tx; }; +enum { + __MVNETA_DOWN, +}; + struct mvneta_port { u8 id; struct mvneta_pcpu_port __percpu *ports; struct mvneta_pcpu_stats __percpu *stats; + unsigned long state; + int pkt_size; void __iomem *base; struct mvneta_rx_queue *rxqs; @@ -2113,6 +2119,9 @@ mvneta_xdp_xmit(struct net_device *dev, int num_frame, struct netdev_queue *nq; u32 ret; + if (unlikely(test_bit(__MVNETA_DOWN, &pp->state))) + return -ENETDOWN; + if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) return -EINVAL; @@ -3568,12 +3577,16 @@ static void mvneta_start_dev(struct mvneta_port *pp) phylink_start(pp->phylink); netif_tx_start_all_queues(pp->dev); + + clear_bit(__MVNETA_DOWN, &pp->state); } static void mvneta_stop_dev(struct mvneta_port *pp) { unsigned int cpu; + set_bit(__MVNETA_DOWN, &pp->state); + phylink_stop(pp->phylink); if (!pp->neta_armada3700) {