diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/mvneta.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvneta.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 67ad8b8b127d..037e054b01a2 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -324,8 +324,7 @@ ETH_HLEN + ETH_FCS_LEN, \ cache_line_size()) -#define MVNETA_SKB_HEADROOM (max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + \ - NET_IP_ALIGN) +#define MVNETA_SKB_HEADROOM max(XDP_PACKET_HEADROOM, NET_SKB_PAD) #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) @@ -1167,6 +1166,7 @@ bm_mtu_err: mvneta_bm_pool_destroy(pp->bm_priv, pp->pool_short, 1 << pp->id); pp->bm_priv = NULL; + pp->rx_offset_correction = MVNETA_SKB_HEADROOM; mvreg_write(pp, MVNETA_ACC_MODE, MVNETA_ACC_MODE_EXT1); netdev_info(pp->dev, "fail to update MTU, fall back to software BM\n"); } @@ -3072,7 +3072,7 @@ static int mvneta_create_page_pool(struct mvneta_port *pp, .order = 0, .flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV, .pool_size = size, - .nid = cpu_to_node(0), + .nid = NUMA_NO_NODE, .dev = pp->dev->dev.parent, .dma_dir = xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE, .offset = pp->rx_offset_correction, @@ -4226,6 +4226,12 @@ static int mvneta_xdp_setup(struct net_device *dev, struct bpf_prog *prog, return -EOPNOTSUPP; } + if (pp->bm_priv) { + NL_SET_ERR_MSG_MOD(extack, + "Hardware Buffer Management not supported on XDP"); + return -EOPNOTSUPP; + } + need_update = !!pp->xdp_prog != !!prog; if (running && need_update) mvneta_stop(dev); @@ -4942,7 +4948,6 @@ static int mvneta_probe(struct platform_device *pdev) SET_NETDEV_DEV(dev, &pdev->dev); pp->id = global_port_id++; - pp->rx_offset_correction = MVNETA_SKB_HEADROOM; /* Obtain access to BM resources if enabled and already initialized */ bm_node = of_parse_phandle(dn, "buffer-manager", 0); @@ -4967,6 +4972,10 @@ static int mvneta_probe(struct platform_device *pdev) } of_node_put(bm_node); + /* sw buffer management */ + if (!pp->bm_priv) + pp->rx_offset_correction = MVNETA_SKB_HEADROOM; + err = mvneta_init(&pdev->dev, pp); if (err < 0) goto err_netdev; @@ -5124,6 +5133,7 @@ static int mvneta_resume(struct device *device) err = mvneta_bm_port_init(pdev, pp); if (err < 0) { dev_info(&pdev->dev, "use SW buffer management\n"); + pp->rx_offset_correction = MVNETA_SKB_HEADROOM; pp->bm_priv = NULL; } } |