diff options
Diffstat (limited to 'net/core/filter.c')
| -rw-r--r-- | net/core/filter.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index d31aff93270d..3bb0cb98a9be 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -2749,13 +2749,18 @@ static int __bpf_tx_xdp(struct net_device *dev, struct xdp_buff *xdp, u32 index) { + struct xdp_frame *xdpf; int err; if (!dev->netdev_ops->ndo_xdp_xmit) { return -EOPNOTSUPP; } - err = dev->netdev_ops->ndo_xdp_xmit(dev, xdp); + xdpf = convert_to_xdp_frame(xdp); + if (unlikely(!xdpf)) + return -EOVERFLOW; + + err = dev->netdev_ops->ndo_xdp_xmit(dev, xdpf); if (err) return err; dev->netdev_ops->ndo_xdp_flush(dev); @@ -2771,11 +2776,19 @@ static int __bpf_tx_xdp_map(struct net_device *dev_rx, void *fwd, if (map->map_type == BPF_MAP_TYPE_DEVMAP) { struct net_device *dev = fwd; + struct xdp_frame *xdpf; if (!dev->netdev_ops->ndo_xdp_xmit) return -EOPNOTSUPP; - err = dev->netdev_ops->ndo_xdp_xmit(dev, xdp); + xdpf = convert_to_xdp_frame(xdp); + if (unlikely(!xdpf)) + return -EOVERFLOW; + + /* TODO: move to inside map code instead, for bulk support + * err = dev_map_enqueue(dev, xdp); + */ + err = dev->netdev_ops->ndo_xdp_xmit(dev, xdpf); if (err) return err; __dev_map_insert_ctx(map, index); |