support bpf

This commit is contained in:
pooka 2010-01-16 17:55:50 +00:00
parent 8189b574e4
commit 29ca934b44

View File

@ -1,4 +1,4 @@
/* $NetBSD: if_virt.c,v 1.14 2009/10/14 18:18:53 pooka Exp $ */
/* $NetBSD: if_virt.c,v 1.15 2010/01/16 17:55:50 pooka Exp $ */
/*
* Copyright (c) 2008 Antti Kantee. All Rights Reserved.
@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_virt.c,v 1.14 2009/10/14 18:18:53 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_virt.c,v 1.15 2010/01/16 17:55:50 pooka Exp $");
#include <sys/param.h>
#include <sys/condvar.h>
@ -38,6 +38,7 @@ __KERNEL_RCSID(0, "$NetBSD: if_virt.c,v 1.14 2009/10/14 18:18:53 pooka Exp $");
#include <sys/sockio.h>
#include <sys/socketvar.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_tap.h>
@ -51,6 +52,8 @@ __KERNEL_RCSID(0, "$NetBSD: if_virt.c,v 1.14 2009/10/14 18:18:53 pooka Exp $");
#include "rump_private.h"
#include "rump_net_private.h"
#include "bpfilter.h"
/*
* Virtual interface for userspace purposes. Uses tap(4) to
* interface with the kernel and just simply shovels data
@ -231,6 +234,11 @@ virtif_worker(void *arg)
}
m->m_len = m->m_pkthdr.len = n;
m->m_pkthdr.rcvif = ifp;
#if NBPFILTER > 0
if (ifp->if_bpf) {
bpf_mtap(ifp->if_bpf, m);
}
#endif
ether_input(ifp, m);
}
@ -265,6 +273,11 @@ virtif_sender(void *arg)
}
if (i == LB_SH)
panic("lazy bum");
#if NBPFILTER > 0
if (ifp->if_bpf) {
bpf_mtap(ifp->if_bpf, m0);
}
#endif
rumpuser_writev(sc->sc_tapfd, io, i, &error);
m_freem(m0);
mutex_enter(&sc->sc_sendmtx);