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/*
* Copyright (c) 2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file
* @brief NAT66 CLI
*/
#include <nat/nat66/nat66.h>
#include <vnet/fib/fib_table.h>
static clib_error_t *
nat66_interface_feature_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
vnet_main_t *vnm = vnet_get_main ();
clib_error_t *error = 0;
u32 sw_if_index;
u32 *inside_sw_if_indices = 0;
u32 *outside_sw_if_indices = 0;
u8 is_add = 1;
int i, rv;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "in %U", unformat_vnet_sw_interface,
vnm, &sw_if_index))
vec_add1 (inside_sw_if_indices, sw_if_index);
else if (unformat (line_input, "out %U", unformat_vnet_sw_interface,
vnm, &sw_if_index))
vec_add1 (outside_sw_if_indices, sw_if_index);
else if (unformat (line_input, "del"))
is_add = 0;
else
{
error = clib_error_return (0, "unknown input '%U'",
format_unformat_error, line_input);
goto done;
}
}
if (vec_len (inside_sw_if_indices))
{
for (i = 0; i < vec_len (inside_sw_if_indices); i++)
{
sw_if_index = inside_sw_if_indices[i];
rv = nat66_interface_add_del (sw_if_index, 1, is_add);
switch (rv)
{
case VNET_API_ERROR_NO_SUCH_ENTRY:
error =
clib_error_return (0, "%U NAT66 feature not enabled.",
format_vnet_sw_interface_name, vnm,
vnet_get_sw_interface (vnm, sw_if_index));
goto done;
case VNET_API_ERROR_VALUE_EXIST:
error =
clib_error_return (0, "%U NAT66 feature already enabled.",
format_vnet_sw_interface_name, vnm,
vnet_get_sw_interface (vnm, sw_if_index));
goto done;
case VNET_API_ERROR_INVALID_VALUE:
case VNET_API_ERROR_INVALID_VALUE_2:
error =
clib_error_return (0,
"%U NAT66 feature enable/disable failed.",
format_vnet_sw_interface_name, vnm,
vnet_get_sw_interface (vnm, sw_if_index));
goto done;
default:
break;
}
}
}
if (vec_len (outside_sw_if_indices))
{
for (i = 0; i < vec_len (outside_sw_if_indices); i++)
{
sw_if_index = outside_sw_if_indices[i];
rv = nat66_interface_add_del (sw_if_index, 0, is_add);
switch (rv)
{
case VNET_API_ERROR_NO_SUCH_ENTRY:
error =
clib_error_return (0, "%U NAT66 feature not enabled.",
format_vnet_sw_interface_name, vnm,
vnet_get_sw_interface (vnm, sw_if_index));
goto done;
case VNET_API_ERROR_VALUE_EXIST:
error =
clib_error_return (0, "%U NAT66 feature already enabled.",
format_vnet_sw_interface_name, vnm,
vnet_get_sw_interface (vnm, sw_if_index));
goto done;
case VNET_API_ERROR_INVALID_VALUE:
case VNET_API_ERROR_INVALID_VALUE_2:
error =
clib_error_return (0,
"%U NAT66 feature enable/disable failed.",
format_vnet_sw_interface_name, vnm,
vnet_get_sw_interface (vnm, sw_if_index));
goto done;
default:
break;
}
}
}
done:
unformat_free (line_input);
vec_free (inside_sw_if_indices);
vec_free (outside_sw_if_indices);
return error;
}
static int
nat66_cli_interface_walk (nat66_interface_t * i, void *ctx)
{
vlib_main_t *vm = ctx;
vnet_main_t *vnm = vnet_get_main ();
vlib_cli_output (vm, " %U %s", format_vnet_sw_interface_name, vnm,
vnet_get_sw_interface (vnm, i->sw_if_index),
nat66_interface_is_inside (i) ? "in" : "out");
return 0;
}
static clib_error_t *
nat66_show_interfaces_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
vlib_cli_output (vm, "NAT66 interfaces:");
nat66_interfaces_walk (nat66_cli_interface_walk, vm);
return 0;
}
static clib_error_t *
nat66_add_del_static_mapping_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
clib_error_t *error = 0;
u8 is_add = 1;
ip6_address_t l_addr, e_addr;
u32 vrf_id = 0;
int rv;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "local %U external %U",
unformat_ip6_address, &l_addr,
unformat_ip6_address, &e_addr))
;
else if (unformat (line_input, "vrf %u", &vrf_id))
;
else if (unformat (line_input, "del"))
is_add = 0;
else
{
error = clib_error_return (0, "unknown input: '%U'",
format_unformat_error, line_input);
goto done;
}
}
rv = nat66_static_mapping_add_del (&l_addr, &e_addr, vrf_id, is_add);
switch (rv)
{
case VNET_API_ERROR_NO_SUCH_ENTRY:
error = clib_error_return (0, "NAT66 static mapping entry not exist.");
goto done;
case VNET_API_ERROR_VALUE_EXIST:
error = clib_error_return (0, "NAT66 static mapping entry exist.");
goto done;
default:
break;
}
done:
unformat_free (line_input);
return error;
}
static int
nat66_cli_static_mapping_walk (nat66_static_mapping_t * sm, void *ctx)
{
nat66_main_t *nm = &nat66_main;
vlib_main_t *vm = ctx;
fib_table_t *fib;
vlib_counter_t vc;
fib = fib_table_get (sm->fib_index, FIB_PROTOCOL_IP6);
if (!fib)
return -1;
vlib_get_combined_counter (&nm->session_counters, sm - nm->sm, &vc);
vlib_cli_output (vm, " local %U external %U vrf %d",
format_ip6_address, &sm->l_addr,
format_ip6_address, &sm->e_addr, fib->ft_table_id);
vlib_cli_output (vm, " total pkts %lld, total bytes %lld", vc.packets,
vc.bytes);
return 0;
}
static clib_error_t *
nat66_show_static_mappings_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
vlib_cli_output (vm, "NAT66 static mappings:");
nat66_static_mappings_walk (nat66_cli_static_mapping_walk, vm);
return 0;
}
/* *INDENT-OFF* */
/*?
* @cliexpar
* @cliexstart{set interface nat66}
* Enable/disable NAT66 feature on the interface.
* To enable NAT66 feature with local (IPv6) network interface
* GigabitEthernet0/8/0 and external (IPv4) network interface
* GigabitEthernet0/a/0 use:
* vpp# set interface nat66 in GigabitEthernet0/8/0 out GigabitEthernet0/a/0
* @cliexend
?*/
VLIB_CLI_COMMAND (set_interface_nat66_command, static) = {
.path = "set interface nat66",
.short_help = "set interface nat66 in|out <intfc> [del]",
.function = nat66_interface_feature_command_fn,
};
/*?
* @cliexpar
* @cliexstart{show nat66 interfaces}
* Show interfaces with NAT66 feature.
* To show interfaces with NAT66 feature use:
* vpp# show nat66 interfaces
* NAT66 interfaces:
* GigabitEthernet0/8/0 in
* GigabitEthernet0/a/0 out
* @cliexend
?*/
VLIB_CLI_COMMAND (show_nat66_interfaces_command, static) = {
.path = "show nat66 interfaces",
.short_help = "show nat66 interfaces",
.function = nat66_show_interfaces_command_fn,
};
/*?
* @cliexpar
* @cliexstart{nat66 add static mapping}
* Add/delete NAT66 static mapping entry.
* To add NAT66 static mapping entry use:
* vpp# nat66 add static mapping local fd01:1::4 external 2001:db8:c000:223::
* vpp# nat66 add static mapping local fd01:1::2 external 2001:db8:c000:221:: vrf 10
* @cliexend
?*/
VLIB_CLI_COMMAND (show_nat66_add_del_static_mapping_command, static) = {
.path = "nat66 add static mapping",
.short_help = "nat66 add static mapping local <ip6-addr> external <ip6-addr>"
" [vfr <table-id>] [del]",
.function = nat66_add_del_static_mapping_command_fn,
};
/*?
* @cliexpar
* @cliexstart{show nat66 static mappings}
* Show NAT66 static mappings.
* To show NAT66 static mappings use:
* vpp# show nat66 static mappings
* NAT66 static mappings:
* local fd01:1::4 external 2001:db8:c000:223:: vrf 0
* local fd01:1::2 external 2001:db8:c000:221:: vrf 10
* @cliexend
?*/
VLIB_CLI_COMMAND (show_nat66_static_mappings_command, static) = {
.path = "show nat66 static mappings",
.short_help = "show nat66 static mappings",
.function = nat66_show_static_mappings_command_fn,
};
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
