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-rw-r--r--src/plugins/linux-cp/lcp_cli.c150
1 files changed, 71 insertions, 79 deletions
diff --git a/src/plugins/linux-cp/lcp_cli.c b/src/plugins/linux-cp/lcp_cli.c
index ff84e74809a..a7732a98b8f 100644
--- a/src/plugins/linux-cp/lcp_cli.c
+++ b/src/plugins/linux-cp/lcp_cli.c
@@ -34,74 +34,60 @@ lcp_itf_pair_create_command_fn (vlib_main_t *vm, unformat_input_t *input,
{
unformat_input_t _line_input, *line_input = &_line_input;
vnet_main_t *vnm = vnet_get_main ();
- u32 sw_if_index;
- u8 *host_if_name;
- lip_host_type_t host_if_type;
- u8 *ns;
- int r;
-
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- sw_if_index = ~0;
- host_if_name = ns = NULL;
- host_if_type = LCP_ITF_HOST_TAP;
+ u32 sw_if_index = ~0;
+ u8 *host_if_name = NULL;
+ lip_host_type_t host_if_type = LCP_ITF_HOST_TAP;
+ u8 *ns = NULL;
+ clib_error_t *error = NULL;
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ if (unformat_user (input, unformat_line_input, line_input))
{
- if (unformat (line_input, "%d", &sw_if_index))
- ;
- else if (unformat (line_input, "%U", unformat_vnet_sw_interface, vnm,
- &sw_if_index))
- ;
- else if (unformat (line_input, "host-if %s", &host_if_name))
- ;
- else if (unformat (line_input, "netns %s", &ns))
- ;
- else if (unformat (line_input, "tun"))
- host_if_type = LCP_ITF_HOST_TUN;
- else
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
- unformat_free (line_input);
- vec_free (host_if_name);
- vec_free (ns);
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
+ if (unformat (line_input, "%d", &sw_if_index))
+ ;
+ else if (unformat (line_input, "%U", unformat_vnet_sw_interface, vnm,
+ &sw_if_index))
+ ;
+ else if (unformat (line_input, "host-if %s", &host_if_name))
+ ;
+ else if (unformat (line_input, "netns %s", &ns))
+ ;
+ else if (unformat (line_input, "tun"))
+ host_if_type = LCP_ITF_HOST_TUN;
+ else
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ break;
+ }
}
+ unformat_free (line_input);
}
- unformat_free (line_input);
-
- if (!host_if_name)
+ if (error)
+ ;
+ else if (sw_if_index == ~0)
+ error = clib_error_return (0, "interface name or sw_if_index required");
+ else if (!host_if_name)
+ error = clib_error_return (0, "host interface name required");
+ else if (vec_len (ns) >= LCP_NS_LEN)
+ error = clib_error_return (
+ 0, "Namespace name should be fewer than %d characters", LCP_NS_LEN);
+ else
{
- vec_free (ns);
- return clib_error_return (0, "host interface name required");
- }
+ int r;
- if (sw_if_index == ~0)
- {
- vec_free (host_if_name);
- vec_free (ns);
- return clib_error_return (0, "interface name or sw_if_index required");
+ r = lcp_itf_pair_create (sw_if_index, host_if_name, host_if_type, ns,
+ NULL);
+ if (r)
+ error = clib_error_return (0, "linux-cp pair creation failed (%d)", r);
}
- if (vec_len (ns) >= LCP_NS_LEN)
- {
- vec_free (host_if_name);
- vec_free (ns);
- return clib_error_return (
- 0, "Namespace name should be fewer than %d characters", LCP_NS_LEN);
- }
-
- r = lcp_itf_pair_create (sw_if_index, host_if_name, host_if_type, ns, NULL);
-
vec_free (host_if_name);
vec_free (ns);
- if (r)
- return clib_error_return (0, "linux-cp pair creation failed (%d)", r);
-
- return 0;
+ return error;
}
VLIB_CLI_COMMAND (lcp_itf_pair_create_command, static) = {
@@ -267,36 +253,42 @@ lcp_itf_pair_delete_command_fn (vlib_main_t *vm, unformat_input_t *input,
{
vnet_main_t *vnm = vnet_get_main ();
unformat_input_t _line_input, *line_input = &_line_input;
- u32 sw_if_index;
- int r;
-
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
+ u32 sw_if_index = ~0;
+ clib_error_t *error = NULL;
- sw_if_index = ~0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ if (unformat_user (input, unformat_line_input, line_input))
{
- if (unformat (line_input, "%d", &sw_if_index))
- ;
- else if (unformat (line_input, "%U", unformat_vnet_sw_interface, vnm,
- &sw_if_index))
- ;
- else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%d", &sw_if_index))
+ ;
+ else if (unformat (line_input, "%U", unformat_vnet_sw_interface, vnm,
+ &sw_if_index))
+ ;
+ else
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ break;
+ }
+ }
+ unformat_free (line_input);
}
- unformat_free (line_input);
-
- if (sw_if_index == ~0)
- return clib_error_return (0, "interface name or sw_if_index required");
+ if (error)
+ ;
+ else if (sw_if_index == ~0)
+ error = clib_error_return (0, "interface name or sw_if_index required");
+ else
+ {
+ int r;
- r = lcp_itf_pair_delete (sw_if_index);
+ r = lcp_itf_pair_delete (sw_if_index);
+ if (r)
+ error = clib_error_return (0, "linux-cp pair deletion failed (%d)", r);
+ }
- if (r)
- return clib_error_return (0, "linux-cp pair deletion failed (%d)", r);
- return 0;
+ return error;
}
VLIB_CLI_COMMAND (lcp_itf_pair_delete_command, static) = {