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if_vtnet: Only set IFCAP_JUMBO_MTU when jumbo MTU is supported

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Reviewed by: grehan (mentor)
Differential Revision: https://reviews.freebsd.org/D27912
This commit is contained in:
Bryan Venteicher 2021-01-19 04:55:24 +00:00
parent baa5234fbe
commit 2520cd3821
1 changed files with 7 additions and 4 deletions
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11
sys/dev/virtio/network/if_vtnet.c
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@ -1027,12 +1027,11 @@ vtnet_setup_interface(struct vtnet_softc *sc)
vtnet_get_macaddr(sc);
ether_ifattach(ifp, sc->vtnet_hwaddr);
if (virtio_with_feature(dev, VIRTIO_NET_F_STATUS))
ifp->if_capabilities |= IFCAP_LINKSTATE;
/* Tell the upper layer(s) we support long frames. */
ifp->if_hdrlen = sizeof(struct ether_vlan_header);
ifp->if_capabilities |= IFCAP_JUMBO_MTU | IFCAP_VLAN_MTU;
if (virtio_with_feature(dev, VIRTIO_NET_F_STATUS))
ifp->if_capabilities |= IFCAP_LINKSTATE;
if (virtio_with_feature(dev, VIRTIO_NET_F_CSUM)) {
int gso;
@ -1075,6 +1074,10 @@ vtnet_setup_interface(struct vtnet_softc *sc)
IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWCSUM;
}
if (sc->vtnet_max_mtu >= ETHERMTU_JUMBO)
ifp->if_capabilities |= IFCAP_JUMBO_MTU;
ifp->if_capabilities |= IFCAP_VLAN_MTU;
ifp->if_capenable = ifp->if_capabilities;
/*