diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/mvneta.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvneta.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 011cd26953d9..946925bbcb2d 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -325,7 +325,7 @@ cache_line_size()) /* Driver assumes that the last 3 bits are 0 */ -#define MVNETA_SKB_HEADROOM (max(XDP_PACKET_HEADROOM, NET_SKB_PAD) & ~0x7) +#define MVNETA_SKB_HEADROOM ALIGN(max(NET_SKB_PAD, XDP_PACKET_HEADROOM), 8) #define MVNETA_SKB_PAD (SKB_DATA_ALIGN(sizeof(struct skb_shared_info) + \ MVNETA_SKB_HEADROOM)) #define MVNETA_SKB_SIZE(len) (SKB_DATA_ALIGN(len) + MVNETA_SKB_PAD) @@ -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) { |