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Virtualize if_disc(4) cloner.

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This commit is contained in:
Hiroki Sato 2014-10-05 19:46:52 +00:00
parent 0837bbe4c1
commit d6f59204ef
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=272570
1 changed files with 23 additions and 11 deletions
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34
sys/net/if_disc.c
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@ -50,6 +50,7 @@
#include <net/if_types.h>
#include <net/route.h>
#include <net/bpf.h>
#include <net/vnet.h>
#include "opt_inet.h"
#include "opt_inet6.h"
@ -74,7 +75,8 @@ static void disc_clone_destroy(struct ifnet *);
static const char discname[] = "disc";
static MALLOC_DEFINE(M_DISC, discname, "Discard interface");
static struct if_clone *disc_cloner;
static VNET_DEFINE(struct if_clone *, disc_cloner);
#define V_disc_cloner VNET(disc_cloner)
static int
disc_clone_create(struct if_clone *ifc, int unit, caddr_t params)
@ -129,17 +131,32 @@ disc_clone_destroy(struct ifnet *ifp)
free(sc, M_DISC);
}
static void
vnet_disc_init(const void *unused __unused)
{
V_disc_cloner = if_clone_simple(discname, disc_clone_create,
disc_clone_destroy, 0);
}
VNET_SYSINIT(vnet_disc_init, SI_SUB_PROTO_IFATTACHDOMAIN, SI_ORDER_ANY,
vnet_disc_init, NULL);
static void
vnet_disc_uninit(const void *unused __unused)
{
if_clone_detach(V_disc_cloner);
}
VNET_SYSUNINIT(vnet_disc_uninit, SI_SUB_PROTO_IFATTACHDOMAIN, SI_ORDER_ANY,
vnet_disc_uninit, NULL);
static int
disc_modevent(module_t mod, int type, void *data)
{
switch (type) {
case MOD_LOAD:
disc_cloner = if_clone_simple(discname, disc_clone_create,
disc_clone_destroy, 0);
break;
case MOD_UNLOAD:
if_clone_detach(disc_cloner);
break;
default:
return (EOPNOTSUPP);
@ -185,6 +202,7 @@ discoutput(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst,
static void
discrtrequest(int cmd, struct rtentry *rt, struct rt_addrinfo *info)
{
RT_LOCK_ASSERT(rt);
rt->rt_mtu = DSMTU;
}
@ -200,7 +218,6 @@ discioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
int error = 0;
switch (cmd) {
case SIOCSIFADDR:
ifp->if_flags |= IFF_UP;
ifa = (struct ifaddr *)data;
@ -210,7 +227,6 @@ discioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
* Everything else is done at a higher level.
*/
break;
case SIOCADDMULTI:
case SIOCDELMULTI:
if (ifr == 0) {
@ -218,7 +234,6 @@ discioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
break;
}
switch (ifr->ifr_addr.sa_family) {
#ifdef INET
case AF_INET:
break;
@ -227,17 +242,14 @@ discioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
case AF_INET6:
break;
#endif
default:
error = EAFNOSUPPORT;
break;
}
break;
case SIOCSIFMTU:
ifp->if_mtu = ifr->ifr_mtu;
break;
default:
error = EINVAL;
}