static int
ipfw_log_clone_destroy(struct if_clone *ifc, struct ifnet *ifp)
{
int unit;
if (ifp == NULL)
return (0);
LOGIF_WLOCK();
if (log_if != NULL && ifp == log_if)
log_if = NULL;
else {
LOGIF_WUNLOCK();
return (EINVAL);
}
LOGIF_WUNLOCK();
unit = ifp->if_dunit;
bpfdetach(ifp);
if_detach(ifp);
if_free(ifp);
ifc_free_unit(ifc, unit);
return (0);
}
static int
ipfwlog_clone_create(struct if_clone *ifc, int unit, caddr_t params)
{
struct ifnet *ifp;
ifp = if_alloc(IFT_PFLOG);
if (ifp == NULL)
return (ENOSPC);
if_initname(ifp, ipfwlogname, unit);
ifp->if_flags = IFF_UP | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_mtu = 65536;
ifp->if_ioctl = ipfw_bpf_ioctl;
ifp->if_output = ipfw_bpf_output;
ifp->if_hdrlen = PFLOG_HDRLEN;
if_attach(ifp);
bpfattach(ifp, DLT_PFLOG, PFLOG_HDRLEN);
LOGIF_WLOCK();
if (V_pflog_if != NULL) {
LOGIF_WUNLOCK();
bpfdetach(ifp);
if_detach(ifp);
if_free(ifp);
return (EEXIST);
}
V_pflog_if = ifp;
LOGIF_WUNLOCK();
return (0);
}
static int
ipfw_log_clone_destroy(struct ifnet *ifp)
{
int unit;
if (ifp == NULL)
return (0);
unit = ifp->if_dunit;
if (unit < 0 || unit >= LOG_IF_MAX) {
return EINVAL;
}
if (log_if_table[unit] == NULL) {
return EINVAL;
}
LOGIF_WLOCK();
log_if_table[unit] = NULL;
bpfdetach(ifp);
if_detach(ifp);
if_free(ifp);
log_if_count--;
LOGIF_WUNLOCK();
return (0);
}
static int
ipfw_log_clone_create(struct if_clone *ifc, char *name, size_t len,
caddr_t params)
{
int error;
int unit;
struct ifnet *ifp;
error = ifc_name2unit(name, &unit);
if (error)
return (error);
error = ifc_alloc_unit(ifc, &unit);
if (error)
return (error);
ifp = if_alloc(IFT_PFLOG);
if (ifp == NULL) {
ifc_free_unit(ifc, unit);
return (ENOSPC);
}
ifp->if_dname = ipfwname;
ifp->if_dunit = unit;
snprintf(ifp->if_xname, IFNAMSIZ, "%s%d", ipfwname, unit);
strlcpy(name, ifp->if_xname, len);
ifp->if_mtu = 65536;
ifp->if_flags = IFF_UP | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_init = (void *)log_dummy;
ifp->if_ioctl = log_dummy;
ifp->if_start = ipfw_log_start;
ifp->if_output = ipfw_log_output;
ifp->if_addrlen = 6;
ifp->if_hdrlen = 14;
ifp->if_broadcastaddr = ipfwbroadcastaddr;
ifp->if_baudrate = IF_Mbps(10);
LOGIF_WLOCK();
if (log_if == NULL)
log_if = ifp;
else {
LOGIF_WUNLOCK();
if_free(ifp);
ifc_free_unit(ifc, unit);
return (EEXIST);
}
LOGIF_WUNLOCK();
if_attach(ifp);
bpfattach(ifp, DLT_EN10MB, 14);
return (0);
}
static void
ipfw_clone_destroy(struct ifnet *ifp)
{
LOGIF_WLOCK();
if (ifp->if_hdrlen == ETHER_HDR_LEN)
V_log_if = NULL;
else
V_pflog_if = NULL;
LOGIF_WUNLOCK();
bpfdetach(ifp);
if_detach(ifp);
if_free(ifp);
}
static int
ipfw_log_clone_create(struct if_clone *ifc, int unit, caddr_t param __unused)
{
struct ifnet *ifp;
if (unit < 0 || unit >= LOG_IF_MAX) {
return EINVAL;
}
if (log_if_table[unit] != NULL) {
return EINVAL;
}
ifp = if_alloc(IFT_PFLOG);
if_initname(ifp, ipfw_log_ifname, unit);
ifq_set_maxlen(&ifp->if_snd, ifqmaxlen);
ifq_set_ready(&ifp->if_snd);
ifp->if_mtu = 65536;
ifp->if_flags = IFF_UP | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_init = (void *)log_dummy;
ifp->if_ioctl = log_dummy;
ifp->if_start = ipfw_log_start;
ifp->if_output = ipfw_log_output;
ifp->if_addrlen = 6;
ifp->if_hdrlen = 14;
ifp->if_broadcastaddr = ipfwbroadcastaddr;
ifp->if_baudrate = IF_Mbps(10);
LOGIF_WLOCK();
log_if_table[unit] = ifp;
log_if_count++;
if_attach(ifp, NULL);
bpfattach(ifp, DLT_EN10MB, ETHER_HDR_LEN);
LOGIF_WUNLOCK();
return (0);
}