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/* SPDX-License-Identifier: Apache-2.0
* Copyright(c) 2024 Cisco Systems, Inc.
*/
#include <vnet/plugin/plugin.h>
#include <vpp/app/version.h>
#include <arpa/inet.h>
#include <vnet/session/session.h>
#include <vnet/session/session_rules_table.h>
#include <vnet/tcp/tcp_sdl.h>
#include <plugins/auto_sdl/auto_sdl.h>
#define AUTO_SDL_TEST_I(_cond, _comment, _args...) \
({ \
int _evald = (_cond); \
if (!(_evald)) \
{ \
fformat (stderr, "FAIL:%d: " _comment "\n", __LINE__, ##_args); \
} \
else \
{ \
fformat (stderr, "PASS:%d: " _comment "\n", __LINE__, ##_args); \
} \
_evald; \
})
#define AUTO_SDL_TEST(_cond, _comment, _args...) \
{ \
if (!AUTO_SDL_TEST_I (_cond, _comment, ##_args)) \
{ \
return 1; \
} \
}
static void
auto_sdl_test_disable_rt_backend_engine (vlib_main_t *vm)
{
session_enable_disable_args_t args = { .is_en = 0,
.rt_engine_type =
RT_BACKEND_ENGINE_DISABLE };
vnet_session_enable_disable (vm, &args);
}
static void
auto_sdl_test_enable_sdl_engine (vlib_main_t *vm)
{
session_enable_disable_args_t args = { .is_en = 1,
.rt_engine_type =
RT_BACKEND_ENGINE_SDL };
vnet_session_enable_disable (vm, &args);
}
static int
auto_sdl_test_auto_sdl (vlib_main_t *vm, unformat_input_t *input)
{
u32 rmt_plen = 0;
ip46_address_t rmt_ip = {};
int fib_proto = ~0;
u8 *ns_id = 0;
auto_sdl_track_prefix_args_t args;
app_namespace_t *app_ns;
u8 *tag = 0;
u32 action = 0;
int error = 0;
auto_sdl_config_args_t asdl_args = {
.enable = 1,
.remove_timeout = 300,
.threshold = 1,
};
auto_sdl_plugin_methods_t auto_sdl_plugin;
clib_error_t *init_res;
auto_sdl_test_disable_rt_backend_engine (vm);
auto_sdl_test_enable_sdl_engine (vm);
if (session_sdl_is_enabled () == 0)
{
vlib_cli_output (vm, "session sdl engine is not enabled");
return -1;
}
init_res = auto_sdl_plugin_exports_init (&auto_sdl_plugin);
if (init_res)
{
vlib_cli_output (vm, "Error in auto sdl plugin init");
return -1;
}
auto_sdl_plugin.config (&asdl_args);
if (unformat_check_input (input) == UNFORMAT_END_OF_INPUT)
{
const char ip_str[] = "10.1.0.0";
const char ip6_str[] = "2501:0db8:85a3:0000:0000:8a2e:0371:0";
u32 address;
ip6_address_t address6;
memset (&args, 0, sizeof (args));
rmt_plen = 32;
fib_proto = FIB_PROTOCOL_IP4;
app_ns = app_namespace_get_default ();
inet_pton (AF_INET, ip_str, &address);
address = htonl (address);
for (int j = 1; j <= 10; j++)
{
address += (j << 8);
for (int i = 1; i < 255; i++)
{
address++;
rmt_ip.ip4.as_u32 = ntohl (address);
args.prefix.fp_addr = rmt_ip;
args.prefix.fp_proto = fib_proto;
args.prefix.fp_len = rmt_plen;
args.action_index = action;
args.tag = tag;
args.fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
if (auto_sdl_plugin.track_prefix (&args) != 0)
{
vlib_cli_output (vm, "error adding track prefix");
error = -1;
goto done;
}
}
}
/* Add ip6 */
inet_pton (AF_INET6, ip6_str, &address6);
fib_proto = FIB_PROTOCOL_IP6;
rmt_plen = 128;
for (int i = 1; i < 255; i++)
{
address = htonl (address6.as_u32[3]);
address++;
address6.as_u32[3] = ntohl (address);
memcpy (&rmt_ip.ip6, &address6, sizeof (address6));
args.prefix.fp_addr = rmt_ip;
args.prefix.fp_proto = fib_proto;
args.prefix.fp_len = rmt_plen;
args.action_index = action;
args.tag = tag;
args.fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
if (auto_sdl_plugin.track_prefix (&args) != 0)
{
vlib_cli_output (vm, "error adding track prefix");
error = -1;
goto done;
}
}
uword expected = 254 * 10 + 254;
uword total = auto_sdl_plugin.pool_size ();
AUTO_SDL_TEST ((total == expected),
"total auto sdl entries is %u, expected %u", total,
expected);
auto_sdl_test_disable_rt_backend_engine (vm);
total = auto_sdl_plugin.pool_size ();
expected = 0;
AUTO_SDL_TEST ((total == expected),
"total auto sdl entries is %u, expected %u", total,
expected);
goto done;
}
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "%U/%d", unformat_ip4_address, &rmt_ip.ip4,
&rmt_plen))
fib_proto = FIB_PROTOCOL_IP4;
else if (unformat (input, "%U/%d", unformat_ip6_address, &rmt_ip.ip6,
&rmt_plen))
fib_proto = FIB_PROTOCOL_IP6;
else if (unformat (input, "action %d", &action))
;
else if (unformat (input, "tag %_%v%_", &tag))
;
else if (unformat (input, "appns %_%v%_", &ns_id))
;
else
{
vlib_cli_output (vm, "unknown input `%U'", format_unformat_error,
input);
error = -1;
goto done;
}
}
if (fib_proto == ~0)
{
vlib_cli_output (vm, "tracked prefix must be entered");
error = -1;
goto done;
}
if (vec_len (tag) > SESSION_RULE_TAG_MAX_LEN)
{
vlib_cli_output (vm, "tag too long (max u64)");
error = -1;
goto done;
}
if (ns_id)
{
app_ns = app_namespace_get_from_id (ns_id);
if (!app_ns)
{
vlib_cli_output (vm, "namespace %v does not exist", ns_id);
error = -1;
goto done;
}
}
else
app_ns = app_namespace_get_default ();
memset (&args, 0, sizeof (args));
args.prefix.fp_addr = rmt_ip;
args.prefix.fp_proto = fib_proto;
args.prefix.fp_len = rmt_plen;
args.action_index = action;
args.tag = tag;
args.fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
if (auto_sdl_plugin.track_prefix (&args) != 0)
{
vlib_cli_output (vm, "error adding track prefix");
error = -1;
}
done:
vec_free (ns_id);
vec_free (tag);
return error;
return 0;
}
static clib_error_t *
auto_sdl_test_command_fn (vlib_main_t *vm, unformat_input_t *input,
vlib_cli_command_t *cmd_arg)
{
int res = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "all"))
;
res = auto_sdl_test_auto_sdl (vm, input);
goto done;
}
done:
if (res)
return clib_error_return (0, "Auto SDL unit test failed");
return 0;
}
VLIB_CLI_COMMAND (auto_sdl_test_command, static) = {
.path = "test auto-sdl",
.short_help = "auto-sdl unit tests",
.function = auto_sdl_test_command_fn,
};
VLIB_PLUGIN_REGISTER () = {
.version = VPP_BUILD_VER,
.description = "Auto SDL - Unit Test",
.default_disabled = 1,
};
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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