Set the driver limit to GSO_MAX_SIZE (512 KB). This allows the admin/user to set a GSO limit up to this value, to avoid segmenting too large GRO packets in the netem -> ifb path. Signed-off-by: Eric Dumazet --- drivers/net/ifb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 67424888ff0aad4ca3d6980950f54f2c4b7fdf33..d3dc0914450a87a491c2f634739b324a96d0a9a0 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -333,6 +333,7 @@ static void ifb_setup(struct net_device *dev) dev->min_mtu = 0; dev->max_mtu = 0; + netif_set_tso_max_size(dev, GSO_MAX_SIZE); } static netdev_tx_t ifb_xmit(struct sk_buff *skb, struct net_device *dev) -- 2.50.0.727.gbf7dc18ff4-goog