diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_main.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 29eea08807fd..363b284e8aa1 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -4659,6 +4659,18 @@ clear_recovery: } /** + * ice_max_xdp_frame_size - returns the maximum allowed frame size for XDP + * @vsi: Pointer to VSI structure + */ +static int ice_max_xdp_frame_size(struct ice_vsi *vsi) +{ + if (PAGE_SIZE >= 8192 || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) + return ICE_RXBUF_2048 - XDP_PACKET_HEADROOM; + else + return ICE_RXBUF_3072; +} + +/** * ice_change_mtu - NDO callback to change the MTU * @netdev: network interface device structure * @new_mtu: new value for maximum frame size @@ -4678,11 +4690,11 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu) } if (ice_is_xdp_ena_vsi(vsi)) { - int frame_size = ICE_RXBUF_2048 - XDP_PACKET_HEADROOM; + int frame_size = ice_max_xdp_frame_size(vsi); if (new_mtu + ICE_ETH_PKT_HDR_PAD > frame_size) { netdev_err(netdev, "max MTU for XDP usage is %d\n", - frame_size); + frame_size - ICE_ETH_PKT_HDR_PAD); return -EINVAL; } } |