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authorFilip Varga <fivarga@cisco.com>2019-04-15 18:52:43 +0200
committerOle Trøan <otroan@employees.org>2019-04-23 11:25:29 +0000
commitbed1421b9f1b3643d93384084972337b596aec73 (patch)
tree6eb17ac0099cedfe32d7ce35953042401a8e8bf4 /src/plugins/nat/nat_api.c
parente8e950a1c207339e215a29bff777b7e03f0b6765 (diff)
NAT: VPP-1531 api cleanup & update
Change-Id: I519d7efc8ee3c86381d96be2e2a46017cd948895 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.c409
1 files changed, 268 insertions, 141 deletions
diff --git a/src/plugins/nat/nat_api.c b/src/plugins/nat/nat_api.c
index 21b2cd44880..fce557fa8bf 100644
--- a/src/plugins/nat/nat_api.c
+++ b/src/plugins/nat/nat_api.c
@@ -31,6 +31,7 @@
#include <nat/nat_msg_enum.h>
#include <vnet/fib/fib_table.h>
+#include <vnet/ip/ip_types_api.h>
#define vl_api_nat44_lb_addr_port_t_endian vl_noop_handler
#define vl_api_nat44_add_del_lb_static_mapping_t_endian vl_noop_handler
@@ -63,7 +64,6 @@
vec_free (s); \
return handle;
-
/******************************/
/*** Common NAT plugin APIs ***/
/******************************/
@@ -202,13 +202,15 @@ send_nat_worker_details (u32 worker_index, vl_api_registration_t * reg,
vlib_worker_thread_t *w =
vlib_worker_threads + worker_index + sm->first_worker_index;
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- clib_memset (rmp, 0, sizeof (*rmp));
+ rmp = vl_msg_api_alloc (sizeof (*rmp) + ARRAY_LEN (w->name) - 1);
+ clib_memset (rmp, 0, sizeof (*rmp) + ARRAY_LEN (w->name) - 1);
rmp->_vl_msg_id = ntohs (VL_API_NAT_WORKER_DETAILS + sm->msg_id_base);
rmp->context = context;
rmp->worker_index = htonl (worker_index);
rmp->lcore_id = htonl (w->cpu_id);
- strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1);
+
+ vl_api_to_api_string (ARRAY_LEN (w->name) - 1, (char *) w->name,
+ &rmp->name);
vl_api_send_msg (reg, (u8 *) rmp);
}
@@ -349,17 +351,22 @@ nat_ip4_reass_walk_api (nat_reass_ip4_t * reass, void *arg)
vl_api_nat_reass_details_t *rmp;
snat_main_t *sm = &snat_main;
nat_api_walk_ctx_t *ctx = arg;
+ ip46_address_t ip_address;
rmp = vl_msg_api_alloc (sizeof (*rmp));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_NAT_REASS_DETAILS + sm->msg_id_base);
rmp->context = ctx->context;
- clib_memcpy (rmp->src_addr, &(reass->key.src), 4);
- clib_memcpy (rmp->dst_addr, &(reass->key.dst), 4);
+
+ clib_memcpy (&ip_address.ip4, &reass->key.src, 4);
+ ip_address_encode (&ip_address, IP46_TYPE_IP4, &rmp->src_addr);
+
+ clib_memcpy (&ip_address.ip4, &reass->key.dst, 4);
+ ip_address_encode (&ip_address, IP46_TYPE_IP4, &rmp->dst_addr);
+
rmp->proto = reass->key.proto;
rmp->frag_id = ntohl (reass->key.frag_id);
rmp->frag_n = reass->frag_n;
- rmp->is_ip4 = 1;
vl_api_send_msg (ctx->reg, (u8 *) rmp);
@@ -372,17 +379,22 @@ nat_ip6_reass_walk_api (nat_reass_ip6_t * reass, void *arg)
vl_api_nat_reass_details_t *rmp;
snat_main_t *sm = &snat_main;
nat_api_walk_ctx_t *ctx = arg;
+ ip46_address_t ip_address;
rmp = vl_msg_api_alloc (sizeof (*rmp));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_NAT_REASS_DETAILS + sm->msg_id_base);
rmp->context = ctx->context;
- clib_memcpy (rmp->src_addr, &(reass->key.src), 16);
- clib_memcpy (rmp->dst_addr, &(reass->key.dst), 16);
+
+ clib_memcpy (&ip_address.ip6, &reass->key.src, 16);
+ ip_address_encode (&ip_address, IP46_TYPE_IP6, &rmp->src_addr);
+
+ clib_memcpy (&ip_address.ip6, &reass->key.dst, 16);
+ ip_address_encode (&ip_address, IP46_TYPE_IP6, &rmp->dst_addr);
+
rmp->proto = reass->key.proto;
rmp->frag_id = ntohl (reass->key.frag_id);
rmp->frag_n = reass->frag_n;
- rmp->is_ip4 = 0;
vl_api_send_msg (ctx->reg, (u8 *) rmp);
@@ -838,6 +850,7 @@ static void
snat_main_t *sm = &snat_main;
vl_api_nat44_add_del_address_range_reply_t *rmp;
ip4_address_t this_addr;
+ u8 is_add, twice_nat;
u32 start_host_order, end_host_order;
u32 vrf_id;
int i, count;
@@ -856,6 +869,9 @@ static void
goto send_reply;
}
+ is_add = mp->is_add;
+ twice_nat = mp->flags & NAT_API_IS_TWICE_NAT;
+
tmp = (u32 *) mp->first_ip_address;
start_host_order = clib_host_to_net_u32 (tmp[0]);
tmp = (u32 *) mp->last_ip_address;
@@ -874,16 +890,16 @@ static void
for (i = 0; i < count; i++)
{
- if (mp->is_add)
- rv = snat_add_address (sm, &this_addr, vrf_id, mp->twice_nat);
+ if (is_add)
+ rv = snat_add_address (sm, &this_addr, vrf_id, twice_nat);
else
- rv = snat_del_address (sm, this_addr, 0, mp->twice_nat);
+ rv = snat_del_address (sm, this_addr, 0, twice_nat);
if (rv)
goto send_reply;
if (sm->out2in_dpo)
- nat44_add_del_address_dpo (this_addr, mp->is_add);
+ nat44_add_del_address_dpo (this_addr, is_add);
increment_v4_address (&this_addr);
}
@@ -903,7 +919,7 @@ static void *vl_api_nat44_add_del_address_range_t_print
{
s = format (s, " - %U ", format_ip4_address, mp->last_ip_address);
}
- s = format (s, "twice_nat %d ", mp->twice_nat);
+ s = format (s, "twice_nat %d ", mp->flags & NAT_API_IS_TWICE_NAT);
FINISH;
}
@@ -926,7 +942,8 @@ send_nat44_address_details (snat_address_t * a,
}
else
rmp->vrf_id = ~0;
- rmp->twice_nat = twice_nat;
+ if (twice_nat)
+ rmp->flags |= NAT_API_IS_TWICE_NAT;
rmp->context = context;
vl_api_send_msg (reg, (u8 *) rmp);
@@ -971,13 +988,17 @@ static void
{
snat_main_t *sm = &snat_main;
vl_api_nat44_interface_add_del_feature_reply_t *rmp;
- u8 is_del = mp->is_add == 0;
u32 sw_if_index = ntohl (mp->sw_if_index);
+ u8 is_del;
int rv = 0;
+ is_del = !mp->is_add;
+
VALIDATE_SW_IF_INDEX (mp);
- rv = snat_interface_add_del (sw_if_index, mp->is_inside, is_del);
+ rv =
+ snat_interface_add_del (sw_if_index, mp->flags & NAT_API_IS_INSIDE,
+ is_del);
BAD_SW_IF_INDEX_LABEL;
@@ -992,7 +1013,8 @@ static void *vl_api_nat44_interface_add_del_feature_t_print
s = format (0, "SCRIPT: nat44_interface_add_del_feature ");
s = format (s, "sw_if_index %d %s %s",
clib_host_to_net_u32 (mp->sw_if_index),
- mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
+ mp->flags & NAT_API_IS_INSIDE ? "in" : "out",
+ mp->is_add ? "" : "del");
FINISH;
}
@@ -1008,9 +1030,12 @@ send_nat44_interface_details (snat_interface_t * i,
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_NAT44_INTERFACE_DETAILS + sm->msg_id_base);
rmp->sw_if_index = ntohl (i->sw_if_index);
- rmp->is_inside = (nat_interface_is_inside (i)
- && nat_interface_is_outside (i)) ? 2 :
- nat_interface_is_inside (i);
+
+ if (nat_interface_is_inside (i))
+ rmp->flags |= NAT_API_IS_INSIDE;
+ if (nat_interface_is_outside (i))
+ rmp->flags |= NAT_API_IS_OUTSIDE;
+
rmp->context = context;
vl_api_send_msg (reg, (u8 *) rmp);
@@ -1052,7 +1077,6 @@ static void
{
snat_main_t *sm = &snat_main;
vl_api_nat44_interface_add_del_output_feature_reply_t *rmp;
- u8 is_del = mp->is_add == 0;
u32 sw_if_index = ntohl (mp->sw_if_index);
int rv = 0;
@@ -1064,8 +1088,9 @@ static void
VALIDATE_SW_IF_INDEX (mp);
- rv = snat_interface_add_del_output_feature (sw_if_index, mp->is_inside,
- is_del);
+ rv = snat_interface_add_del_output_feature (sw_if_index,
+ mp->flags & NAT_API_IS_INSIDE,
+ !mp->is_add);
BAD_SW_IF_INDEX_LABEL;
send_reply:
@@ -1080,7 +1105,8 @@ static void *vl_api_nat44_interface_add_del_output_feature_t_print
s = format (0, "SCRIPT: nat44_interface_add_del_output_feature ");
s = format (s, "sw_if_index %d %s %s",
clib_host_to_net_u32 (mp->sw_if_index),
- mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
+ mp->flags & NAT_API_IS_INSIDE ? "in" : "out",
+ mp->is_add ? "" : "del");
FINISH;
}
@@ -1099,7 +1125,9 @@ send_nat44_interface_output_feature_details (snat_interface_t * i,
ntohs (VL_API_NAT44_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base);
rmp->sw_if_index = ntohl (i->sw_if_index);
rmp->context = context;
- rmp->is_inside = nat_interface_is_inside (i);
+
+ if (nat_interface_is_inside (i))
+ rmp->flags |= NAT_API_IS_INSIDE;
vl_api_send_msg (reg, (u8 *) rmp);
}
@@ -1150,6 +1178,7 @@ static void
int rv = 0;
snat_protocol_t proto;
u8 *tag = 0;
+ u32 len = 0;
if (sm->deterministic)
{
@@ -1159,27 +1188,34 @@ static void
memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
- if (mp->addr_only == 0)
+
+ if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
{
local_port = clib_net_to_host_u16 (mp->local_port);
external_port = clib_net_to_host_u16 (mp->external_port);
}
+
vrf_id = clib_net_to_host_u32 (mp->vrf_id);
external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
proto = ip_proto_to_snat_proto (mp->protocol);
- if (mp->twice_nat)
+
+ if (mp->flags & NAT_API_IS_TWICE_NAT)
twice_nat = TWICE_NAT;
- else if (mp->self_twice_nat)
+ else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
twice_nat = TWICE_NAT_SELF;
- mp->tag[sizeof (mp->tag) - 1] = 0;
- tag = format (0, "%s", mp->tag);
+
+ len = vl_api_string_len (&mp->tag);
+
+ tag = vec_new (u8, len);
+ memcpy (tag, mp->tag.buf, len);
vec_terminate_c_string (tag);
rv = snat_add_static_mapping (local_addr, external_addr, local_port,
- external_port, vrf_id, mp->addr_only,
- external_sw_if_index, proto, mp->is_add,
- twice_nat, mp->out2in_only, tag, 0);
-
+ external_port, vrf_id,
+ mp->flags & NAT_API_IS_ADDR_ONLY,
+ external_sw_if_index, proto,
+ mp->is_add, twice_nat,
+ mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0);
vec_free (tag);
send_reply:
@@ -1197,13 +1233,14 @@ static void *vl_api_nat44_add_del_static_mapping_t_print
format_ip4_address, mp->local_ip_address,
format_ip4_address, mp->external_ip_address);
- if (mp->addr_only == 0)
+ if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
s = format (s, "local_port %d external_port %d ",
clib_net_to_host_u16 (mp->local_port),
clib_net_to_host_u16 (mp->external_port));
s = format (s, "twice_nat %d out2in_only %d ",
- mp->twice_nat, mp->out2in_only);
+ mp->flags & NAT_API_IS_TWICE_NAT,
+ mp->flags & NAT_API_IS_OUT2IN_ONLY);
if (mp->vrf_id != ~0)
s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
@@ -1220,30 +1257,48 @@ send_nat44_static_mapping_details (snat_static_mapping_t * m,
{
vl_api_nat44_static_mapping_details_t *rmp;
snat_main_t *sm = &snat_main;
+ u32 len = sizeof (*rmp);
+
+ if (m->tag)
+ {
+ len += vec_len (m->tag);
+ rmp = vl_msg_api_alloc (len);
+ clib_memset (rmp, 0, len);
+ vl_api_to_api_string (vec_len (m->tag), (char *) m->tag, &rmp->tag);
+ }
+ else
+ {
+ rmp = vl_msg_api_alloc (len);
+ clib_memset (rmp, 0, len);
+ }
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id =
ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
- rmp->addr_only = is_addr_only_static_mapping (m);
+
clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4);
clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4);
rmp->external_sw_if_index = ~0;
rmp->vrf_id = htonl (m->vrf_id);
rmp->context = context;
+
if (m->twice_nat == TWICE_NAT)
- rmp->twice_nat = 1;
+ rmp->flags |= NAT_API_IS_TWICE_NAT;
else if (m->twice_nat == TWICE_NAT_SELF)
- rmp->self_twice_nat = 1;
- rmp->out2in_only = is_out2in_only_static_mapping (m);
- if (rmp->addr_only == 0)
+ rmp->flags |= NAT_API_IS_SELF_TWICE_NAT;
+
+ if (is_out2in_only_static_mapping (m))
+ rmp->flags |= NAT_API_IS_OUT2IN_ONLY;
+
+ if (is_addr_only_static_mapping (m))
+ {
+ rmp->flags |= NAT_API_IS_ADDR_ONLY;
+ }
+ else
{
rmp->protocol = snat_proto_to_ip_proto (m->proto);
rmp->external_port = htons (m->external_port);
rmp->local_port = htons (m->local_port);
}
- if (m->tag)
- strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
vl_api_send_msg (reg, (u8 *) rmp);
}
@@ -1255,25 +1310,41 @@ send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m,
{
vl_api_nat44_static_mapping_details_t *rmp;
snat_main_t *sm = &snat_main;
+ u32 len = sizeof (*rmp);
+
+ if (m->tag)
+ {
+ len += vec_len (m->tag);
+ rmp = vl_msg_api_alloc (len);
+ clib_memset (rmp, 0, len);
+ vl_api_to_api_string (vec_len (m->tag), (char *) m->tag, &rmp->tag);
+ }
+ else
+ {
+ rmp = vl_msg_api_alloc (len);
+ clib_memset (rmp, 0, len);
+ }
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id =
ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
- rmp->addr_only = m->addr_only;
clib_memcpy (rmp->local_ip_address, &(m->l_addr), 4);
rmp->external_sw_if_index = htonl (m->sw_if_index);
rmp->vrf_id = htonl (m->vrf_id);
rmp->context = context;
- rmp->twice_nat = m->twice_nat;
- if (m->addr_only == 0)
+
+ if (m->twice_nat)
+ rmp->flags |= NAT_API_IS_TWICE_NAT;
+
+ if (m->addr_only)
+ {
+ rmp->flags |= NAT_API_IS_ADDR_ONLY;
+ }
+ else
{
rmp->protocol = snat_proto_to_ip_proto (m->proto);
rmp->external_port = htons (m->e_port);
rmp->local_port = htons (m->l_port);
}
- if (m->tag)
- strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
vl_api_send_msg (reg, (u8 *) rmp);
}
@@ -1334,6 +1405,7 @@ static void
int rv = 0;
snat_protocol_t proto = ~0;
u8 *tag = 0;
+ u32 len = 0;
if (sm->deterministic)
{
@@ -1341,7 +1413,7 @@ static void
goto send_reply;
}
- if (mp->addr_only == 0)
+ if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
{
port = clib_net_to_host_u16 (mp->port);
proto = ip_proto_to_snat_proto (mp->protocol);
@@ -1352,14 +1424,17 @@ static void
addr.as_u32 = 0;
else
memcpy (&addr.as_u8, mp->ip_address, 4);
- mp->tag[sizeof (mp->tag) - 1] = 0;
- tag = format (0, "%s", mp->tag);
+
+ len = vl_api_string_len (&mp->tag);
+
+ tag = vec_new (u8, len);
+ memcpy (tag, mp->tag.buf, len);
vec_terminate_c_string (tag);
rv =
- snat_add_static_mapping (addr, addr, port, port, vrf_id, mp->addr_only,
- sw_if_index, proto, mp->is_add, 0, 0, tag, 1);
-
+ snat_add_static_mapping (addr, addr, port, port, vrf_id,
+ mp->flags & NAT_API_IS_ADDR_ONLY, sw_if_index,
+ proto, mp->is_add, 0, 0, tag, 1);
vec_free (tag);
send_reply:
@@ -1377,7 +1452,7 @@ static void *vl_api_nat44_add_del_identity_mapping_t_print
else
s = format (s, "addr %U", format_ip4_address, mp->ip_address);
- if (mp->addr_only == 0)
+ if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
s =
format (s, " protocol %d port %d", mp->protocol,
clib_net_to_host_u16 (mp->port));
@@ -1395,20 +1470,33 @@ send_nat44_identity_mapping_details (snat_static_mapping_t * m, int index,
vl_api_nat44_identity_mapping_details_t *rmp;
snat_main_t *sm = &snat_main;
nat44_lb_addr_port_t *local = pool_elt_at_index (m->locals, index);
+ u32 len = sizeof (*rmp);
+
+ if (m->tag)
+ {
+ len += vec_len (m->tag);
+ rmp = vl_msg_api_alloc (len);
+ clib_memset (rmp, 0, len);
+ vl_api_to_api_string (vec_len (m->tag), (char *) m->tag, &rmp->tag);
+ }
+ else
+ {
+ rmp = vl_msg_api_alloc (len);
+ clib_memset (rmp, 0, len);
+ }
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id =
ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
- rmp->addr_only = is_addr_only_static_mapping (m);
+
+ if (is_addr_only_static_mapping (m))
+ rmp->flags |= NAT_API_IS_ADDR_ONLY;
+
clib_memcpy (rmp->ip_address, &(m->local_addr), 4);
rmp->port = htons (m->local_port);
rmp->sw_if_index = ~0;
rmp->vrf_id = htonl (local->vrf_id);
rmp->protocol = snat_proto_to_ip_proto (m->proto);
rmp->context = context;
- if (m->tag)
- strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
vl_api_send_msg (reg, (u8 *) rmp);
}
@@ -1420,19 +1508,32 @@ send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m,
{
vl_api_nat44_identity_mapping_details_t *rmp;
snat_main_t *sm = &snat_main;
+ u32 len = sizeof (*rmp);
+
+ if (m->tag)
+ {
+ len += vec_len (m->tag);
+ rmp = vl_msg_api_alloc (len);
+ clib_memset (rmp, 0, len);
+ vl_api_to_api_string (vec_len (m->tag), (char *) m->tag, &rmp->tag);
+ }
+ else
+ {
+ rmp = vl_msg_api_alloc (len);
+ clib_memset (rmp, 0, len);
+ }
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id =
ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
- rmp->addr_only = m->addr_only;
+
+ if (m->addr_only)
+ rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_ADDR_ONLY;
+
rmp->port = htons (m->l_port);
rmp->sw_if_index = htonl (m->sw_if_index);
rmp->vrf_id = htonl (m->vrf_id);
rmp->protocol = snat_proto_to_ip_proto (m->proto);
rmp->context = context;
- if (m->tag)
- strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
vl_api_send_msg (reg, (u8 *) rmp);
}
@@ -1491,9 +1592,9 @@ static void
{
snat_main_t *sm = &snat_main;
vl_api_nat44_add_del_interface_addr_reply_t *rmp;
- u8 is_del = mp->is_add == 0;
u32 sw_if_index = ntohl (mp->sw_if_index);
int rv = 0;
+ u8 is_del;
if (sm->deterministic)
{
@@ -1501,9 +1602,12 @@ static void
goto send_reply;
}
+ is_del = !mp->is_add;
+
VALIDATE_SW_IF_INDEX (mp);
- rv = snat_add_interface_address (sm, sw_if_index, is_del, mp->twice_nat);
+ rv = snat_add_interface_address (sm, sw_if_index, is_del,
+ mp->flags & NAT_API_IS_TWICE_NAT);
BAD_SW_IF_INDEX_LABEL;
send_reply:
@@ -1518,7 +1622,7 @@ static void *vl_api_nat44_add_del_interface_addr_t_print
s = format (0, "SCRIPT: nat44_add_del_interface_addr ");
s = format (s, "sw_if_index %d twice_nat %d %s",
clib_host_to_net_u32 (mp->sw_if_index),
- mp->twice_nat, mp->is_add ? "" : "del");
+ mp->flags & NAT_API_IS_TWICE_NAT, mp->is_add ? "" : "del");
FINISH;
}
@@ -1536,7 +1640,9 @@ send_nat44_interface_addr_details (u32 sw_if_index,
rmp->_vl_msg_id =
ntohs (VL_API_NAT44_INTERFACE_ADDR_DETAILS + sm->msg_id_base);
rmp->sw_if_index = ntohl (sw_if_index);
- rmp->twice_nat = twice_nat;
+
+ if (twice_nat)
+ rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_TWICE_NAT;
rmp->context = context;
vl_api_send_msg (reg, (u8 *) rmp);
@@ -1651,10 +1757,16 @@ send_nat44_user_session_details (snat_session_t * s,
ntohs (VL_API_NAT44_USER_SESSION_DETAILS + sm->msg_id_base);
clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4);
clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4);
- rmp->is_static = snat_is_session_static (s) ? 1 : 0;
- rmp->is_twicenat = is_twice_nat_session (s) ? 1 : 0;
- rmp->ext_host_valid = is_ed_session (s)
- || is_fwd_bypass_session (s) ? 1 : 0;
+
+ if (snat_is_session_static (s))
+ rmp->flags |= NAT_API_IS_STATIC;
+
+ if (is_twice_nat_session (s))
+ rmp->flags |= NAT_API_IS_TWICE_NAT;
+
+ if (is_ed_session (s) || is_fwd_bypass_session (s))
+ rmp->flags |= NAT_API_IS_EXT_HOST_VALID;
+
rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard);
rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes);
rmp->total_pkts = ntohl (s->total_pkts);
@@ -1787,7 +1899,9 @@ static void
nat44_lb_addr_port_t *locals = 0;
ip4_address_t e_addr;
snat_protocol_t proto;
+ vl_api_string_t *sp;
u8 *tag = 0;
+ u32 len = 0;
if (!sm->endpoint_dependent)
{
@@ -1800,19 +1914,28 @@ static void
clib_net_to_host_u32 (mp->local_num));
clib_memcpy (&e_addr, mp->external_addr, 4);
proto = ip_proto_to_snat_proto (mp->protocol);
- if (mp->twice_nat)
+
+ if (mp->flags & NAT_API_IS_TWICE_NAT)
twice_nat = TWICE_NAT;
- else if (mp->self_twice_nat)
+ else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
twice_nat = TWICE_NAT_SELF;
- mp->tag[sizeof (mp->tag) - 1] = 0;
- tag = format (0, "%s", mp->tag);
+
+ sp = (void *) &mp->locals +
+ sizeof (vl_api_nat44_lb_addr_port_t) *
+ clib_net_to_host_u32 (mp->local_num);
+
+ len = vl_api_string_len (sp);
+
+ tag = vec_new (u8, len);
+ memcpy (tag, sp->buf, len);
vec_terminate_c_string (tag);
rv =
nat44_add_del_lb_static_mapping (e_addr,
clib_net_to_host_u16 (mp->external_port),
- proto, locals, mp->is_add, twice_nat,
- mp->out2in_only, tag,
+ proto, locals, mp->is_add,
+ twice_nat,
+ mp->flags & NAT_API_IS_OUT2IN_ONLY, tag,
clib_net_to_host_u32 (mp->affinity));
vec_free (locals);
@@ -1829,7 +1952,9 @@ static void *vl_api_nat44_add_del_lb_static_mapping_t_print
s = format (0, "SCRIPT: nat44_add_del_lb_static_mapping ");
s = format (s, "is_add %d twice_nat %d out2in_only %d ",
- mp->is_add, mp->twice_nat, mp->out2in_only);
+ mp->is_add,
+ mp->flags & NAT_API_IS_TWICE_NAT,
+ mp->flags & NAT_API_IS_OUT2IN_ONLY);
FINISH;
}
@@ -1889,13 +2014,28 @@ send_nat44_lb_static_mapping_details (snat_static_mapping_t * m,
snat_main_t *sm = &snat_main;
nat44_lb_addr_port_t *ap;
vl_api_nat44_lb_addr_port_t *locals;
+ vl_api_string_t *sp;
u32 local_num = 0;
+ u32 len = sizeof (*rmp);
+
+ if (m->tag)
+ {
+ len += pool_elts (m->locals) *
+ sizeof (nat44_lb_addr_port_t) + vec_len (m->tag);
+ rmp = vl_msg_api_alloc (len);
+ clib_memset (rmp, 0, len);
+
+ sp = (void *) &m->locals +
+ sizeof (vl_api_nat44_lb_addr_port_t) * pool_elts (m->locals);
+ vl_api_to_api_string (vec_len (m->tag), (char *) m->tag, sp);
+ }
+ else
+ {
+ len += pool_elts (m->locals) * sizeof (nat44_lb_addr_port_t);
+ rmp = vl_msg_api_alloc (len);
+ clib_memset (rmp, 0, len);
+ }
- rmp =
- vl_msg_api_alloc (sizeof (*rmp) +
- (pool_elts (m->locals) *
- sizeof (nat44_lb_addr_port_t)));
- clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id =
ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base);
@@ -1903,13 +2043,13 @@ send_nat44_lb_static_mapping_details (snat_static_mapping_t * m,
rmp->external_port = ntohs (m->external_port);
rmp->protocol = snat_proto_to_ip_proto (m->proto);
rmp->context = context;
+
if (m->twice_nat == TWICE_NAT)
- rmp->twice_nat = 1;
+ rmp->flags |= NAT_API_IS_TWICE_NAT;
else if (m->twice_nat == TWICE_NAT_SELF)
- rmp->self_twice_nat = 1;
- rmp->out2in_only = is_out2in_only_static_mapping (m);
- if (m->tag)
- strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
+ rmp->flags |= NAT_API_IS_SELF_TWICE_NAT;
+ if (is_out2in_only_static_mapping (m))
+ rmp->flags |= NAT_API_IS_OUT2IN_ONLY;
locals = (vl_api_nat44_lb_addr_port_t *) rmp->locals;
/* *INDENT-OFF* */
@@ -1971,6 +2111,7 @@ vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp)
u16 port, eh_port;
u32 vrf_id;
int rv = 0;
+ u8 is_in;
snat_protocol_t proto;
if (sm->deterministic)
@@ -1986,12 +2127,14 @@ vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp)
memcpy (&eh_addr.as_u8, mp->ext_host_address, 4);
eh_port = clib_net_to_host_u16 (mp->ext_host_port);
- if (mp->ext_host_valid)
+ is_in = mp->flags & NAT_API_IS_INSIDE;
+
+ if (mp->flags & NAT_API_IS_EXT_HOST_VALID)
rv =
nat44_del_ed_session (sm, &addr, port, &eh_addr, eh_port, mp->protocol,
- vrf_id, mp->is_in);
+ vrf_id, is_in);
else
- rv = nat44_del_session (sm, &addr, port, proto, vrf_id, mp->is_in);
+ rv = nat44_del_session (sm, &addr, port, proto, vrf_id, is_in);
send_reply:
REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY);
@@ -2007,8 +2150,9 @@ vl_api_nat44_del_session_t_print (vl_api_nat44_del_session_t * mp,
s = format (s, "addr %U port %d protocol %d vrf_id %d is_in %d",
format_ip4_address, mp->address,
clib_net_to_host_u16 (mp->port),
- mp->protocol, clib_net_to_host_u32 (mp->vrf_id), mp->is_in);
- if (mp->ext_host_valid)
+ mp->protocol, clib_net_to_host_u32 (mp->vrf_id),
+ mp->flags & NAT_API_IS_INSIDE);
+ if (mp->flags & NAT_API_IS_EXT_HOST_VALID)
s = format (s, "ext_host_address %U ext_host_port %d",
format_ip4_address, mp->ext_host_address,
clib_net_to_host_u16 (mp->ext_host_port));
@@ -2117,12 +2261,6 @@ vl_api_nat_det_add_del_map_t_handler (vl_api_nat_det_add_del_map_t * mp)
goto send_reply;
}
- if (!mp->is_nat44)
- {
- rv = VNET_API_ERROR_UNIMPLEMENTED;
- 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,
@@ -2163,13 +2301,6 @@ vl_api_nat_det_forward_t_handler (vl_api_nat_det_forward_t * mp)
return;
}
- if (!mp->is_nat44)
- {
- out_addr.as_u32 = 0;
- rv = VNET_API_ERROR_UNIMPLEMENTED;
- goto send_reply;
- }
-
out_addr.as_u32 = 0;
clib_memcpy (&in_addr, mp->in_addr, 4);
dm = snat_det_map_by_user (sm, &in_addr);
@@ -2235,8 +2366,6 @@ send_reply:
/* *INDENT-OFF* */
REPLY_MACRO2 (VL_API_NAT_DET_REVERSE_REPLY,
({
- rmp->is_nat44 = 1;
- clib_memset (rmp->in_addr, 0, 16);
clib_memcpy (rmp->in_addr, &in_addr, 4);
}))
/* *INDENT-ON* */
@@ -2264,7 +2393,6 @@ sent_nat_det_map_details (snat_det_map_t * m, vl_api_registration_t * reg,
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);
- rmp->is_nat44 = 1;
clib_memcpy (rmp->in_addr, &m->in_addr, 4);
rmp->in_plen = m->in_plen;
clib_memcpy (rmp->out_addr, &m->out_addr, 4);
@@ -2383,12 +2511,6 @@ vl_api_nat_det_close_session_in_t_handler (vl_api_nat_det_close_session_in_t *
goto send_reply;
}
- if (!mp->is_nat44)
- {
- rv = VNET_API_ERROR_UNIMPLEMENTED;
- goto send_reply;
- }
-
clib_memcpy (&in_addr, mp->in_addr, 4);
clib_memcpy (&ext_addr, mp->ext_addr, 4);
@@ -2462,8 +2584,6 @@ vl_api_nat_det_session_dump_t_handler (vl_api_nat_det_session_dump_t * mp)
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
- if (!mp->is_nat44)
- return;
clib_memset (&empty_ses, 0, sizeof (empty_ses));
clib_memcpy (&user_addr, mp->user_addr, 4);
@@ -2619,8 +2739,8 @@ vl_api_nat64_add_del_interface_t_handler (vl_api_nat64_add_del_interface_t *
VALIDATE_SW_IF_INDEX (mp);
rv =
- nat64_add_del_interface (ntohl (mp->sw_if_index), mp->is_inside,
- mp->is_add);
+ nat64_add_del_interface (ntohl (mp->sw_if_index),
+ mp->flags & NAT_API_IS_INSIDE, mp->is_add);
BAD_SW_IF_INDEX_LABEL;
@@ -2636,7 +2756,8 @@ vl_api_nat64_add_del_interface_t_print (vl_api_nat64_add_del_interface_t * mp,
s = format (0, "SCRIPT: nat64_add_del_interface ");
s = format (s, "sw_if_index %d %s %s",
clib_host_to_net_u32 (mp->sw_if_index),
- mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
+ mp->flags & NAT_API_IS_INSIDE ? "in" : "out",
+ mp->is_add ? "" : "del");
FINISH;
}
@@ -2652,9 +2773,12 @@ nat64_api_interface_walk (snat_interface_t * i, void *arg)
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_NAT64_INTERFACE_DETAILS + sm->msg_id_base);
rmp->sw_if_index = ntohl (i->sw_if_index);
- rmp->is_inside = (nat_interface_is_inside (i)
- && nat_interface_is_outside (i)) ? 2 :
- nat_interface_is_inside (i);
+
+ if (nat_interface_is_inside (i))
+ rmp->flags |= NAT_API_IS_INSIDE;
+ if (nat_interface_is_outside (i))
+ rmp->flags |= NAT_API_IS_OUTSIDE;
+
rmp->context = ctx->context;
vl_api_send_msg (ctx->reg, (u8 *) rmp);
@@ -2752,7 +2876,8 @@ nat64_api_bib_walk (nat64_db_bib_entry_t * bibe, void *arg)
rmp->o_port = bibe->out_port;
rmp->vrf_id = ntohl (fib->ft_table_id);
rmp->proto = bibe->proto;
- rmp->is_static = bibe->is_static;
+ if (bibe->is_static)
+ rmp->flags |= NAT_API_IS_STATIC;
rmp->ses_num = ntohl (bibe->ses_num);
vl_api_send_msg (ctx->reg, (u8 *) rmp);
@@ -2871,10 +2996,10 @@ vl_api_nat64_add_del_prefix_t_handler (vl_api_nat64_add_del_prefix_t * mp)
ip6_address_t prefix;
int rv = 0;
- memcpy (&prefix.as_u8, mp->prefix, 16);
+ memcpy (&prefix.as_u8, mp->prefix.prefix, 16);
rv =
- nat64_add_del_prefix (&prefix, mp->prefix_len,
+ nat64_add_del_prefix (&prefix, mp->prefix.len,
clib_net_to_host_u32 (mp->vrf_id), mp->is_add);
REPLY_MACRO (VL_API_NAT64_ADD_DEL_PREFIX_REPLY);
}
@@ -2886,7 +3011,7 @@ vl_api_nat64_add_del_prefix_t_print (vl_api_nat64_add_del_prefix_t * mp,
u8 *s;
s = format (0, "SCRIPT: nat64_add_del_prefix %U/%u vrf_id %u %s\n",
- format_ip6_address, mp->prefix, mp->prefix_len,
+ format_ip6_address, mp->prefix.prefix, mp->prefix.len,
ntohl (mp->vrf_id), mp->is_add ? "" : "del");
FINISH;
@@ -2902,8 +3027,8 @@ nat64_api_prefix_walk (nat64_prefix_t * p, void *arg)
rmp = vl_msg_api_alloc (sizeof (*rmp));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_NAT64_PREFIX_DETAILS + sm->msg_id_base);
- clib_memcpy (rmp->prefix, &(p->prefix), 16);
- rmp->prefix_len = p->plen;
+ clib_memcpy (rmp->prefix.prefix, &(p->prefix), 16);
+ rmp->prefix.len = p->plen;
rmp->vrf_id = ntohl (p->vrf_id);
rmp->context = ctx->context;
@@ -3209,8 +3334,8 @@ vl_api_nat66_add_del_interface_t_handler (vl_api_nat66_add_del_interface_t *
VALIDATE_SW_IF_INDEX (mp);
rv =
- nat66_interface_add_del (ntohl (mp->sw_if_index), mp->is_inside,
- mp->is_add);
+ nat66_interface_add_del (ntohl (mp->sw_if_index),
+ mp->flags & NAT_API_IS_INSIDE, mp->is_add);
BAD_SW_IF_INDEX_LABEL;
@@ -3226,7 +3351,8 @@ vl_api_nat66_add_del_interface_t_print (vl_api_nat66_add_del_interface_t * mp,
s = format (0, "SCRIPT: nat66_add_del_interface ");
s = format (s, "sw_if_index %d %s %s",
clib_host_to_net_u32 (mp->sw_if_index),
- mp->is_inside ? "in" : "out", mp->is_add ? "" : "del");
+ mp->flags & NAT_API_IS_INSIDE ? "in" : "out",
+ mp->is_add ? "" : "del");
FINISH;
}
@@ -3282,7 +3408,8 @@ nat66_api_interface_walk (snat_interface_t * i, void *arg)
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_NAT66_INTERFACE_DETAILS + sm->msg_id_base);
rmp->sw_if_index = ntohl (i->sw_if_index);
- rmp->is_inside = nat_interface_is_inside (i);
+ if (nat_interface_is_inside (i))
+ rmp->flags |= NAT_API_IS_INSIDE;
rmp->context = ctx->context;
vl_api_send_msg (ctx->rp, (u8 *) rmp);