diff options
Diffstat (limited to 'sys/net/if.c')
| -rw-r--r-- | sys/net/if.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/net/if.c b/sys/net/if.c index b9e524c..2c44c87 100644 --- a/sys/net/if.c +++ b/sys/net/if.c @@ -1021,8 +1021,16 @@ void if_vmove(struct ifnet *ifp, struct vnet *new_vnet) { struct if_clone *ifc; + u_int bif_dlt, bif_hdrlen; int rc; + /* + * if_detach_internal() will call the eventhandler to notify + * interface departure. That will detach if_bpf. We need to + * safe the dlt and hdrlen so we can re-attach it later. + */ + bpf_get_bp_params(ifp->if_bpf, &bif_dlt, &bif_hdrlen); + /* * Detach from current vnet, but preserve LLADDR info, do not * mark as dead etc. so that the ifnet can be reattached later. @@ -1062,6 +1070,9 @@ if_vmove(struct ifnet *ifp, struct vnet *new_vnet) if_attach_internal(ifp, 1, ifc); + if (ifp->if_bpf == NULL) + bpfattach(ifp, bif_dlt, bif_hdrlen); + CURVNET_RESTORE(); } |
