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authorFilip Varga <fivarga@cisco.com>2020-07-21 10:27:39 +0200
committerOle Trøan <otroan@employees.org>2020-08-13 10:06:33 +0000
commit603e75465899385a95350f3c96499050f7f960a5 (patch)
treef7a7130769ea795c1c3460db3aea99a49a309b13 /src/plugins/nat/nat_api.c
parentde118da58e80aec43f4b816a1ea957634a8bc07c (diff)
nat: move deterministic nat to det44 sub feature
Type: refactor Change-Id: I0bb203102a0e13dd7448e2125925ab356bbd7937 Signed-off-by: Filip Varga <fivarga@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat_api.c')
-rw-r--r--src/plugins/nat/nat_api.c457
1 files changed, 2 insertions, 455 deletions
diff --git a/src/plugins/nat/nat_api.c b/src/plugins/nat/nat_api.c
index b447395fd57..503143288f8 100644
--- a/src/plugins/nat/nat_api.c
+++ b/src/plugins/nat/nat_api.c
@@ -19,7 +19,6 @@
*/
#include <nat/nat.h>
-#include <nat/nat_det.h>
#include <nat/nat64.h>
#include <nat/nat_inlines.h>
#include <nat/nat44/inlines.h>
@@ -31,6 +30,7 @@
#include <vnet/fib/fib_table.h>
#include <vnet/ip/ip_types_api.h>
#include <nat/nat44/ed_inlines.h>
+#include <nat/nat_ipfix_logging.h>
#define vl_api_nat44_add_del_lb_static_mapping_t_endian vl_noop_handler
#define vl_api_nat44_nat44_lb_static_mapping_details_t_endian vl_noop_handler
@@ -113,7 +113,7 @@ vl_api_nat_show_config_t_handler (vl_api_nat_show_config_t * mp)
rmp->static_mapping_only = sm->static_mapping_only;
rmp->static_mapping_connection_tracking =
sm->static_mapping_connection_tracking;
- rmp->deterministic = sm->deterministic;
+ rmp->deterministic = 0;
rmp->endpoint_dependent = sm->endpoint_dependent;
rmp->out2in_dpo = sm->out2in_dpo;
//rmp->dslite_ce = dm->is_ce;
@@ -144,12 +144,6 @@ vl_api_nat_set_workers_t_handler (vl_api_nat_set_workers_t * mp)
uword *bitmap = 0;
u64 mask;
- if (sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- goto send_reply;
- }
-
mask = clib_net_to_host_u64 (mp->worker_mask);
if (sm->num_workers < 2)
@@ -218,9 +212,6 @@ vl_api_nat_worker_dump_t_handler (vl_api_nat_worker_dump_t * mp)
snat_main_t *sm = &snat_main;
u32 *worker_index;
- if (sm->deterministic)
- return;
-
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
@@ -406,12 +397,6 @@ static void
int rv = 0;
u16 port_start, port_end;
- if (sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- goto send_reply;
- }
-
switch (mp->alg)
{
case NAT_ADDR_AND_PORT_ALLOC_ALG_DEFAULT:
@@ -776,12 +761,6 @@ static void
int rv = 0;
u32 *tmp;
- if (sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- goto send_reply;
- }
-
if (sm->static_mapping_only)
{
rv = VNET_API_ERROR_FEATURE_DISABLED;
@@ -875,9 +854,6 @@ vl_api_nat44_address_dump_t_handler (vl_api_nat44_address_dump_t * mp)
snat_main_t *sm = &snat_main;
snat_address_t *a;
- if (sm->deterministic)
- return;
-
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
@@ -999,12 +975,6 @@ static void
u32 sw_if_index = ntohl (mp->sw_if_index);
int rv = 0;
- if (sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- goto send_reply;
- }
-
VALIDATE_SW_IF_INDEX (mp);
rv = snat_interface_add_del_output_feature (sw_if_index,
@@ -1012,7 +982,6 @@ static void
!mp->is_add);
BAD_SW_IF_INDEX_LABEL;
-send_reply:
REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY);
}
@@ -1059,9 +1028,6 @@ static void
snat_main_t *sm = &snat_main;
snat_interface_t *i;
- if (sm->deterministic)
- return;
-
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
@@ -1098,12 +1064,6 @@ static void
nat_protocol_t proto;
u8 *tag = 0;
- if (sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- goto send_reply;
- }
-
memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
@@ -1133,7 +1093,6 @@ static void
mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0);
vec_free (tag);
-send_reply:
REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY);
}
@@ -1256,9 +1215,6 @@ vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t
snat_static_map_resolve_t *rp;
int j;
- if (sm->deterministic)
- return;
-
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
@@ -1303,12 +1259,6 @@ static void
nat_protocol_t proto = NAT_PROTOCOL_OTHER;
u8 *tag = 0;
- if (sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- goto send_reply;
- }
-
if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
{
port = mp->port;
@@ -1330,7 +1280,6 @@ static void
proto, mp->is_add, 0, 0, tag, 1);
vec_free (tag);
-send_reply:
REPLY_MACRO (VL_API_NAT44_ADD_DEL_IDENTITY_MAPPING_REPLY);
}
@@ -1421,9 +1370,6 @@ static void
snat_static_map_resolve_t *rp;
int j;
- if (sm->deterministic)
- return;
-
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
@@ -1469,12 +1415,6 @@ static void
int rv = 0;
u8 is_del;
- if (sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- goto send_reply;
- }
-
is_del = !mp->is_add;
VALIDATE_SW_IF_INDEX (mp);
@@ -1483,7 +1423,6 @@ static void
mp->flags & NAT_API_IS_TWICE_NAT);
BAD_SW_IF_INDEX_LABEL;
-send_reply:
REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY);
}
@@ -1529,9 +1468,6 @@ vl_api_nat44_interface_addr_dump_t_handler (vl_api_nat44_interface_addr_dump_t
snat_main_t *sm = &snat_main;
u32 *i;
- if (sm->deterministic)
- return;
-
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
@@ -1645,9 +1581,6 @@ vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp)
snat_main_per_thread_data_t *tsm;
snat_user_t *u;
- if (sm->deterministic)
- return;
-
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
@@ -1749,9 +1682,6 @@ vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t *
dlist_elt_t *head, *elt;
ip4_header_t ip;
- if (sm->deterministic)
- return;
-
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
@@ -2043,12 +1973,6 @@ vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp)
u8 is_in;
nat_protocol_t proto;
- if (sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- goto send_reply;
- }
-
memcpy (&addr.as_u8, mp->address, 4);
port = mp->port;
vrf_id = clib_net_to_host_u32 (mp->vrf_id);
@@ -2065,7 +1989,6 @@ vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp)
else
rv = nat44_del_session (sm, &addr, port, proto, vrf_id, is_in);
-send_reply:
REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY);
}
@@ -2181,375 +2104,6 @@ static void *vl_api_nat44_forwarding_is_enabled_t_print
FINISH;
}
-/*******************************/
-/*** Deterministic NAT (CGN) ***/
-/*******************************/
-
-static void
-vl_api_nat_det_add_del_map_t_handler (vl_api_nat_det_add_del_map_t * mp)
-{
- snat_main_t *sm = &snat_main;
- vl_api_nat_det_add_del_map_reply_t *rmp;
- int rv = 0;
- ip4_address_t in_addr, out_addr;
-
- if (!sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- goto send_reply;
- }
-
- clib_memcpy (&in_addr, mp->in_addr, 4);
- clib_memcpy (&out_addr, mp->out_addr, 4);
- rv = snat_det_add_map (sm, &in_addr, mp->in_plen, &out_addr,
- mp->out_plen, mp->is_add);
-
-send_reply:
- REPLY_MACRO (VL_API_NAT_DET_ADD_DEL_MAP_REPLY);
-}
-
-static void *
-vl_api_nat_det_add_del_map_t_print (vl_api_nat_det_add_del_map_t * mp,
- void *handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: nat_det_add_del_map ");
- s = format (s, "inside address %U/%d outside address %U/%d\n",
- format_ip4_address, mp->in_addr, mp->in_plen,
- format_ip4_address, mp->out_addr, mp->out_plen);
-
- FINISH;
-}
-
-static void
-vl_api_nat_det_forward_t_handler (vl_api_nat_det_forward_t * mp)
-{
- snat_main_t *sm = &snat_main;
- vl_api_nat_det_forward_reply_t *rmp;
- int rv = 0;
- u16 lo_port = 0, hi_port = 0;
- snat_det_map_t *dm;
- ip4_address_t in_addr, out_addr;
-
- if (!sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- REPLY_MACRO (VL_API_NAT_DET_FORWARD_REPLY);
- return;
- }
-
- out_addr.as_u32 = 0;
- clib_memcpy (&in_addr, mp->in_addr, 4);
- dm = snat_det_map_by_user (sm, &in_addr);
- if (!dm)
- {
- rv = VNET_API_ERROR_NO_SUCH_ENTRY;
- goto send_reply;
- }
-
- snat_det_forward (dm, &in_addr, &out_addr, &lo_port);
- hi_port = lo_port + dm->ports_per_host - 1;
-
-send_reply:
- /* *INDENT-OFF* */
- REPLY_MACRO2 (VL_API_NAT_DET_FORWARD_REPLY,
- ({
- rmp->out_port_lo = ntohs (lo_port);
- rmp->out_port_hi = ntohs (hi_port);
- clib_memcpy (rmp->out_addr, &out_addr, 4);
- }))
- /* *INDENT-ON* */
-}
-
-static void *
-vl_api_nat_det_forward_t_print (vl_api_nat_det_forward_t * mp, void *handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: nat_det_forward");
- s = format (s, "inside ip address %U\n", format_ip4_address, mp->in_addr);
-
- FINISH;
-}
-
-static void
-vl_api_nat_det_reverse_t_handler (vl_api_nat_det_reverse_t * mp)
-{
- snat_main_t *sm = &snat_main;
- vl_api_nat_det_reverse_reply_t *rmp;
- int rv = 0;
- ip4_address_t out_addr, in_addr;
- snat_det_map_t *dm;
-
- if (!sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- REPLY_MACRO (VL_API_NAT_DET_REVERSE_REPLY);
- return;
- }
-
- in_addr.as_u32 = 0;
- clib_memcpy (&out_addr, mp->out_addr, 4);
- dm = snat_det_map_by_out (sm, &out_addr);
- if (!dm)
- {
- rv = VNET_API_ERROR_NO_SUCH_ENTRY;
- goto send_reply;
- }
-
- snat_det_reverse (dm, &out_addr, htons (mp->out_port), &in_addr);
-
-send_reply:
- /* *INDENT-OFF* */
- REPLY_MACRO2 (VL_API_NAT_DET_REVERSE_REPLY,
- ({
- clib_memcpy (rmp->in_addr, &in_addr, 4);
- }))
- /* *INDENT-ON* */
-}
-
-static void *
-vl_api_nat_det_reverse_t_print (vl_api_nat_det_reverse_t * mp, void *handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: nat_det_reverse");
- s = format (s, "outside ip address %U outside port %d",
- format_ip4_address, mp->out_addr, ntohs (mp->out_port));
-
- FINISH;
-}
-
-static void
-sent_nat_det_map_details (snat_det_map_t * m, vl_api_registration_t * reg,
- u32 context)
-{
- vl_api_nat_det_map_details_t *rmp;
- snat_main_t *sm = &snat_main;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- clib_memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_MAP_DETAILS + sm->msg_id_base);
- clib_memcpy (rmp->in_addr, &m->in_addr, 4);
- rmp->in_plen = m->in_plen;
- clib_memcpy (rmp->out_addr, &m->out_addr, 4);
- rmp->out_plen = m->out_plen;
- rmp->sharing_ratio = htonl (m->sharing_ratio);
- rmp->ports_per_host = htons (m->ports_per_host);
- rmp->ses_num = htonl (m->ses_num);
- rmp->context = context;
-
- vl_api_send_msg (reg, (u8 *) rmp);
-}
-
-static void
-vl_api_nat_det_map_dump_t_handler (vl_api_nat_det_map_dump_t * mp)
-{
- vl_api_registration_t *reg;
- snat_main_t *sm = &snat_main;
- snat_det_map_t *m;
-
- if (!sm->deterministic)
- return;
-
- reg = vl_api_client_index_to_registration (mp->client_index);
- if (!reg)
- return;
-
- /* *INDENT-OFF* */
- vec_foreach(m, sm->det_maps)
- sent_nat_det_map_details(m, reg, mp->context);
- /* *INDENT-ON* */
-}
-
-static void *
-vl_api_nat_det_map_dump_t_print (vl_api_nat_det_map_dump_t * mp, void *handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: nat_det_map_dump ");
-
- FINISH;
-}
-
-static void
-vl_api_nat_det_close_session_out_t_handler (vl_api_nat_det_close_session_out_t
- * mp)
-{
- snat_main_t *sm = &snat_main;
- vl_api_nat_det_close_session_out_reply_t *rmp;
- ip4_address_t out_addr, ext_addr, in_addr;
- snat_det_out_key_t key;
- snat_det_map_t *dm;
- snat_det_session_t *ses;
- int rv = 0;
-
- if (!sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- goto send_reply;
- }
-
- clib_memcpy (&out_addr, mp->out_addr, 4);
- clib_memcpy (&ext_addr, mp->ext_addr, 4);
-
- dm = snat_det_map_by_out (sm, &out_addr);
- if (!dm)
- {
- rv = VNET_API_ERROR_NO_SUCH_ENTRY;
- goto send_reply;
- }
- snat_det_reverse (dm, &ext_addr, ntohs (mp->out_port), &in_addr);
- key.ext_host_addr = ext_addr;
- key.ext_host_port = mp->ext_port;
- key.out_port = mp->out_port;
- ses = snat_det_get_ses_by_out (dm, &in_addr, key.as_u64);
- if (!ses)
- {
- rv = VNET_API_ERROR_NO_SUCH_ENTRY;
- goto send_reply;
- }
- snat_det_ses_close (dm, ses);
-
-send_reply:
- REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY);
-}
-
-static void *
-vl_api_nat_det_close_session_out_t_print (vl_api_nat_det_close_session_out_t *
- mp, void *handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: nat_det_close_session_out ");
- s = format (s, "out_addr %U out_port %d "
- "ext_addr %U ext_port %d\n",
- format_ip4_address, mp->out_addr, ntohs (mp->out_port),
- format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
-
- FINISH;
-}
-
-static void
-vl_api_nat_det_close_session_in_t_handler (vl_api_nat_det_close_session_in_t *
- mp)
-{
- snat_main_t *sm = &snat_main;
- vl_api_nat_det_close_session_in_reply_t *rmp;
- ip4_address_t in_addr, ext_addr;
- snat_det_out_key_t key;
- snat_det_map_t *dm;
- snat_det_session_t *ses;
- int rv = 0;
-
- if (!sm->deterministic)
- {
- rv = VNET_API_ERROR_UNSUPPORTED;
- goto send_reply;
- }
-
- clib_memcpy (&in_addr, mp->in_addr, 4);
- clib_memcpy (&ext_addr, mp->ext_addr, 4);
-
- dm = snat_det_map_by_user (sm, &in_addr);
- if (!dm)
- {
- rv = VNET_API_ERROR_NO_SUCH_ENTRY;
- goto send_reply;
- }
- key.ext_host_addr = ext_addr;
- key.ext_host_port = mp->ext_port;
- ses = snat_det_find_ses_by_in (dm, &in_addr, mp->in_port, key);
- if (!ses)
- {
- rv = VNET_API_ERROR_NO_SUCH_ENTRY;
- goto send_reply;
- }
- snat_det_ses_close (dm, ses);
-
-send_reply:
- REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY);
-}
-
-static void *
-vl_api_nat_det_close_session_in_t_print (vl_api_nat_det_close_session_in_t *
- mp, void *handle)
-{
- u8 *s;
- s = format (0, "SCRIPT: nat_det_close_session_in ");
- s = format (s, "in_addr %U in_port %d ext_addr %U ext_port %d\n",
- format_ip4_address, mp->in_addr, ntohs (mp->in_port),
- format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
-
- FINISH;
-}
-
-static void
-send_nat_det_session_details (snat_det_session_t * s,
- vl_api_registration_t * reg, u32 context)
-{
- vl_api_nat_det_session_details_t *rmp;
- snat_main_t *sm = &snat_main;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- clib_memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_SESSION_DETAILS + sm->msg_id_base);
- rmp->in_port = s->in_port;
- clib_memcpy (rmp->ext_addr, &s->out.ext_host_addr, 4);
- rmp->ext_port = s->out.ext_host_port;
- rmp->out_port = s->out.out_port;
- rmp->state = s->state;
- rmp->expire = ntohl (s->expire);
- rmp->context = context;
-
- vl_api_send_msg (reg, (u8 *) rmp);
-}
-
-static void
-vl_api_nat_det_session_dump_t_handler (vl_api_nat_det_session_dump_t * mp)
-{
- vl_api_registration_t *reg;
- snat_main_t *sm = &snat_main;
- ip4_address_t user_addr;
- snat_det_map_t *dm;
- snat_det_session_t *s, empty_ses;
- u16 i;
-
- if (!sm->deterministic)
- return;
-
- reg = vl_api_client_index_to_registration (mp->client_index);
- if (!reg)
- return;
-
- clib_memset (&empty_ses, 0, sizeof (empty_ses));
- clib_memcpy (&user_addr, mp->user_addr, 4);
- dm = snat_det_map_by_user (sm, &user_addr);
- if (!dm)
- return;
-
- s = dm->sessions + snat_det_user_ses_offset (&user_addr, dm->in_plen);
- for (i = 0; i < SNAT_DET_SES_PER_USER; i++)
- {
- if (s->out.as_u64)
- send_nat_det_session_details (s, reg, mp->context);
- s++;
- }
-}
-
-static void *
-vl_api_nat_det_session_dump_t_print (vl_api_nat_det_session_dump_t * mp,
- void *handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: nat_det_session_dump ");
- s = format (s, "user_addr %U\n", format_ip4_address, mp->user_addr);
-
- FINISH;
-}
-
/*************/
/*** NAT64 ***/
/*************/
@@ -3079,13 +2633,6 @@ _(NAT44_LB_STATIC_MAPPING_DUMP, nat44_lb_static_mapping_dump) \
_(NAT44_DEL_SESSION, nat44_del_session) \
_(NAT44_FORWARDING_ENABLE_DISABLE, nat44_forwarding_enable_disable) \
_(NAT44_FORWARDING_IS_ENABLED, nat44_forwarding_is_enabled) \
-_(NAT_DET_ADD_DEL_MAP, nat_det_add_del_map) \
-_(NAT_DET_FORWARD, nat_det_forward) \
-_(NAT_DET_REVERSE, nat_det_reverse) \
-_(NAT_DET_MAP_DUMP, nat_det_map_dump) \
-_(NAT_DET_CLOSE_SESSION_OUT, nat_det_close_session_out) \
-_(NAT_DET_CLOSE_SESSION_IN, nat_det_close_session_in) \
-_(NAT_DET_SESSION_DUMP, nat_det_session_dump) \
_(NAT64_ADD_DEL_POOL_ADDR_RANGE, nat64_add_del_pool_addr_range) \
_(NAT64_POOL_ADDR_DUMP, nat64_pool_addr_dump) \
_(NAT64_ADD_DEL_INTERFACE, nat64_add_del_interface) \