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Differential D46183 Diff 141565 sys/netpfil/ipfw/nat64/nat64stl_control.c

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sys/netpfil/ipfw/nat64/nat64stl_control.c

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#include <netinet6/in6_var.h> #include <netinet6/in6_var.h>
#include <netinet6/ip6_var.h> #include <netinet6/ip6_var.h>
#include <netinet6/ip_fw_nat64.h> #include <netinet6/ip_fw_nat64.h>
#include <netpfil/ipfw/ip_fw_private.h> #include <netpfil/ipfw/ip_fw_private.h>
#include "nat64stl.h" #include "nat64stl.h"
VNET_DEFINE(uint16_t, nat64stl_eid) = 0; VNET_DEFINE(uint32_t, nat64stl_eid) = 0;
static struct nat64stl_cfg *nat64stl_alloc_config(const char *name, static struct nat64stl_cfg *nat64stl_alloc_config(const char *name,
uint8_t set); uint8_t set);
static void nat64stl_free_config(struct nat64stl_cfg *cfg); static void nat64stl_free_config(struct nat64stl_cfg *cfg);
static struct nat64stl_cfg *nat64stl_find(struct namedobj_instance *ni, static struct nat64stl_cfg *nat64stl_find(struct namedobj_instance *ni,
const char *name, uint8_t set); const char *name, uint8_t set);
static struct nat64stl_cfg * static struct nat64stl_cfg *
▲ Show 20 Lines • Show All 411 Lines • ▼ Show 20 Lines if (cfg == NULL) {
return (ESRCH); return (ESRCH);
} }
COUNTER_ARRAY_ZERO(cfg->base.stats.cnt, NAT64STATS); COUNTER_ARRAY_ZERO(cfg->base.stats.cnt, NAT64STATS);
IPFW_UH_WUNLOCK(ch); IPFW_UH_WUNLOCK(ch);
return (0); return (0);
} }
static struct ipfw_sopt_handler scodes[] = { static struct ipfw_sopt_handler scodes[] = {
{ IP_FW_NAT64STL_CREATE, 0, HDIR_SET, nat64stl_create }, { IP_FW_NAT64STL_CREATE, IP_FW3_OPVER, HDIR_SET, nat64stl_create },
{ IP_FW_NAT64STL_DESTROY,0, HDIR_SET, nat64stl_destroy }, { IP_FW_NAT64STL_DESTROY, IP_FW3_OPVER, HDIR_SET, nat64stl_destroy },
{ IP_FW_NAT64STL_CONFIG, 0, HDIR_BOTH, nat64stl_config }, { IP_FW_NAT64STL_CONFIG, IP_FW3_OPVER, HDIR_BOTH,nat64stl_config },
{ IP_FW_NAT64STL_LIST, 0, HDIR_GET, nat64stl_list }, { IP_FW_NAT64STL_LIST, IP_FW3_OPVER, HDIR_GET, nat64stl_list },
{ IP_FW_NAT64STL_STATS, 0, HDIR_GET, nat64stl_stats }, { IP_FW_NAT64STL_STATS, IP_FW3_OPVER, HDIR_GET, nat64stl_stats },
{ IP_FW_NAT64STL_RESET_STATS,0, HDIR_SET, nat64stl_reset_stats }, { IP_FW_NAT64STL_RESET_STATS, IP_FW3_OPVER, HDIR_SET, nat64stl_reset_stats },
}; };
static int static int
nat64stl_classify(ipfw_insn *cmd, uint16_t *puidx, uint8_t *ptype) nat64stl_manage_sets(struct ip_fw_chain *ch, uint32_t set, uint8_t new_set,
{
ipfw_insn *icmd;
icmd = cmd - 1;
if (icmd->opcode != O_EXTERNAL_ACTION ||
icmd->arg1 != V_nat64stl_eid)
return (1);
*puidx = cmd->arg1;
*ptype = 0;
return (0);
}
static void
nat64stl_update_arg1(ipfw_insn *cmd, uint16_t idx)
{
cmd->arg1 = idx;
}
static int
nat64stl_findbyname(struct ip_fw_chain *ch, struct tid_info *ti,
struct named_object **pno)
{
int err;
err = ipfw_objhash_find_type(CHAIN_TO_SRV(ch), ti,
IPFW_TLV_NAT64STL_NAME, pno);
return (err);
}
static struct named_object *
nat64stl_findbykidx(struct ip_fw_chain *ch, uint16_t idx)
{
struct namedobj_instance *ni;
struct named_object *no;
IPFW_UH_WLOCK_ASSERT(ch);
ni = CHAIN_TO_SRV(ch);
no = ipfw_objhash_lookup_kidx(ni, idx);
KASSERT(no != NULL, ("NAT with index %d not found", idx));
return (no);
}
static int
nat64stl_manage_sets(struct ip_fw_chain *ch, uint16_t set, uint8_t new_set,
enum ipfw_sets_cmd cmd) enum ipfw_sets_cmd cmd)
{ {
return (ipfw_obj_manage_sets(CHAIN_TO_SRV(ch), IPFW_TLV_NAT64STL_NAME, return (ipfw_obj_manage_sets(CHAIN_TO_SRV(ch), IPFW_TLV_NAT64STL_NAME,
set, new_set, cmd)); set, new_set, cmd));
} }
NAT64_DEFINE_OPCODE_REWRITER(nat64stl, NAT64STL, opcodes);
static struct opcode_obj_rewrite opcodes[] = {
{
.opcode = O_EXTERNAL_INSTANCE,
.etlv = IPFW_TLV_EACTION /* just show it isn't table */,
.classifier = nat64stl_classify,
.update = nat64stl_update_arg1,
.find_byname = nat64stl_findbyname,
.find_bykidx = nat64stl_findbykidx,
.manage_sets = nat64stl_manage_sets,
},
};
static int static int
destroy_config_cb(struct namedobj_instance *ni, struct named_object *no, destroy_config_cb(struct namedobj_instance *ni, struct named_object *no,
void *arg) void *arg)
{ {
struct nat64stl_cfg *cfg; struct nat64stl_cfg *cfg;
struct ip_fw_chain *ch; struct ip_fw_chain *ch;
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