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Differential D46183 Diff 141565 sys/netpfil/ipfw/ip_fw_iface.c

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sys/netpfil/ipfw/ip_fw_iface.c

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static void handle_ifdetach(struct ip_fw_chain *ch, struct ipfw_iface *iif, static void handle_ifdetach(struct ip_fw_chain *ch, struct ipfw_iface *iif,
uint16_t ifindex); uint16_t ifindex);
static void handle_ifattach(struct ip_fw_chain *ch, struct ipfw_iface *iif, static void handle_ifattach(struct ip_fw_chain *ch, struct ipfw_iface *iif,
uint16_t ifindex); uint16_t ifindex);
static int list_ifaces(struct ip_fw_chain *ch, ip_fw3_opheader *op3, static int list_ifaces(struct ip_fw_chain *ch, ip_fw3_opheader *op3,
struct sockopt_data *sd); struct sockopt_data *sd);
static struct ipfw_sopt_handler scodes[] = { static struct ipfw_sopt_handler scodes[] = {
{ IP_FW_XIFLIST, 0, HDIR_GET, list_ifaces }, { IP_FW_XIFLIST, IP_FW3_OPVER, HDIR_GET, list_ifaces },
}; };
/* /*
* FreeBSD Kernel interface. * FreeBSD Kernel interface.
*/ */
static void ipfw_kifhandler(void *arg, struct ifnet *ifp); static void ipfw_kifhandler(void *arg, struct ifnet *ifp);
static int ipfw_kiflookup(char *name); static int ipfw_kiflookup(char *name);
static void iface_khandler_register(void); static void iface_khandler_register(void);
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* Perform actual init on internal request. * Perform actual init on internal request.
* Inits both namehash and global khandler. * Inits both namehash and global khandler.
*/ */
static void static void
vnet_ipfw_iface_init(struct ip_fw_chain *ch) vnet_ipfw_iface_init(struct ip_fw_chain *ch)
{ {
struct namedobj_instance *ii; struct namedobj_instance *ii;
ii = ipfw_objhash_create(DEFAULT_IFACES); ii = ipfw_objhash_create(DEFAULT_IFACES, DEFAULT_OBJHASH_SIZE);
IPFW_UH_WLOCK(ch); IPFW_UH_WLOCK(ch);
if (ch->ifcfg == NULL) { if (ch->ifcfg == NULL) {
ch->ifcfg = ii; ch->ifcfg = ii;
ii = NULL; ii = NULL;
} }
IPFW_UH_WUNLOCK(ch); IPFW_UH_WUNLOCK(ch);
if (ii != NULL) { if (ii != NULL) {
▲ Show 20 Lines • Show All 237 Lines • ▼ Show 20 Linesexport_iface_internal(struct namedobj_instance *ii, struct named_object *no,
i->ifindex = iif->ifindex; i->ifindex = iif->ifindex;
i->refcnt = iif->no.refcnt; i->refcnt = iif->no.refcnt;
i->gencnt = iif->gencnt; i->gencnt = iif->gencnt;
return (0); return (0);
} }
/* /*
* Lists all interface currently tracked by ipfw. * Lists all interface currently tracked by ipfw.
* Data layout (v0)(current): * Data layout (v1)(current):
* Request: [ ipfw_obj_lheader ], size = ipfw_obj_lheader.size * Request: [ ipfw_obj_lheader ], size = ipfw_obj_lheader.size
* Reply: [ ipfw_obj_lheader ipfw_iface_info x N ] * Reply: [ ipfw_obj_lheader ipfw_iface_info x N ]
* *
* Returns 0 on success * Returns 0 on success
*/ */
static int static int
list_ifaces(struct ip_fw_chain *ch, ip_fw3_opheader *op3, list_ifaces(struct ip_fw_chain *ch, ip_fw3_opheader *op3,
struct sockopt_data *sd) struct sockopt_data *sd)
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