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authorPavel Kotucek <pkotucek@cisco.com>2016-11-15 09:19:11 +0100
committerDamjan Marion <dmarion.lists@gmail.com>2016-11-17 21:03:25 +0000
commit7490a752814187ed03c0deca4d836b0dca09fb4b (patch)
tree64296629669dba3ba87b580d37bc838c679d546e
parent999bbc4a2088c532d75e401703bd9205cf217c84 (diff)
feature: API/CLI to enable/disable feature per interface
Change-Id: I91d5f5648189143903eb973fdc60de9880fd47c2 Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>
-rw-r--r--vnet/vnet/api_errno.h3
-rw-r--r--vnet/vnet/feature/feature.c104
-rw-r--r--vnet/vnet/feature/feature.h10
-rw-r--r--vpp-api-test/vat/api_format.c76
-rw-r--r--vpp/vpp-api/api.c43
-rw-r--r--vpp/vpp-api/custom_dump.c18
-rw-r--r--vpp/vpp-api/vpe.api24
7 files changed, 272 insertions, 6 deletions
diff --git a/vnet/vnet/api_errno.h b/vnet/vnet/api_errno.h
index baf3c615974..50d6f731035 100644
--- a/vnet/vnet/api_errno.h
+++ b/vnet/vnet/api_errno.h
@@ -89,7 +89,8 @@ _(EXCEEDED_NUMBER_OF_RANGES_CAPACITY, -95, "Operation would exceed configured ca
_(EXCEEDED_NUMBER_OF_PORTS_CAPACITY, -96, "Operation would exceed capacity of number of ports") \
_(INVALID_ADDRESS_FAMILY, -97, "Invalid address family") \
_(INVALID_SUB_SW_IF_INDEX, -98, "Invalid sub-interface sw_if_index") \
-_(TABLE_TOO_BIG, -99, "Table too big")
+_(TABLE_TOO_BIG, -99, "Table too big") \
+_(CANNOT_ENABLE_DISABLE_FEATURE, -100, "Cannot enable/disable feature")
typedef enum
{
diff --git a/vnet/vnet/feature/feature.c b/vnet/vnet/feature/feature.c
index c8cde360814..e1d172e5707 100644
--- a/vnet/vnet/feature/feature.c
+++ b/vnet/vnet/feature/feature.c
@@ -152,6 +152,27 @@ vnet_get_feature_arc_index (const char *s)
return reg->feature_arc_index;
}
+vnet_feature_registration_t *
+vnet_get_feature_reg (const char *arc_name, const char *node_name)
+{
+ u8 arc_index;
+
+ arc_index = vnet_get_feature_arc_index (arc_name);
+ if (arc_index == (u8) ~ 0)
+ return 0;
+
+ vnet_feature_main_t *fm = &feature_main;
+ vnet_feature_registration_t *reg;
+ uword *p;
+
+ p = hash_get_mem (fm->next_feature_by_name[arc_index], node_name);
+ if (p == 0)
+ return 0;
+
+ reg = uword_to_pointer (p[0], vnet_feature_registration_t *);
+ return reg;
+}
+
u32
vnet_get_feature_index (u8 arc, const char *s)
{
@@ -342,6 +363,89 @@ vnet_interface_features_show (vlib_main_t * vm, u32 sw_if_index)
}
}
+static clib_error_t *
+set_interface_features_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = 0;
+
+ u8 *arc_name = 0;
+ u8 *feature_name = 0;
+ u32 sw_if_index = ~0;
+ u8 enable = 1;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ goto done;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat
+ (line_input, "%U %v", unformat_vnet_sw_interface, vnm, &sw_if_index,
+ &feature_name))
+ ;
+ else if (unformat (line_input, "arc %v", &arc_name))
+ ;
+ else if (unformat (line_input, "disable"))
+ enable = 0;
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ if (sw_if_index == ~0)
+ {
+ error = clib_error_return (0, "Interface not specified...");
+ goto done;
+ }
+
+ vec_add1 (arc_name, 0);
+ vec_add1 (feature_name, 0);
+
+ vnet_feature_registration_t *reg;
+ reg =
+ vnet_get_feature_reg ((const char *) arc_name,
+ (const char *) feature_name);
+ if (reg == 0)
+ {
+ error = clib_error_return (0, "Unknown feature...");
+ goto done;
+ }
+ if (reg->enable_disable_cb)
+ error = reg->enable_disable_cb (sw_if_index, enable);
+ if (!error)
+ vnet_feature_enable_disable ((const char *) arc_name,
+ (const char *) feature_name, sw_if_index,
+ enable, 0, 0);
+
+done:
+ vec_free (feature_name);
+ vec_free (arc_name);
+ return error;
+}
+
+/*?
+ * Set feature for given interface
+ *
+ * @cliexpar
+ * Example:
+ * @cliexcmd{set interface feature GigabitEthernet2/0/0 ip4_flow_classify arc ip4_unicast}
+ * @cliexend
+ * @endparblock
+?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_interface_feature_command, static) = {
+ .path = "set interface feature",
+ .short_help = "set interface feature <intfc> <feature_name> arc <arc_name>",
+ .function = set_interface_features_command_fn,
+};
+/* *INDENT-ON* */
+
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/vnet/vnet/feature/feature.h b/vnet/vnet/feature/feature.h
index 667c5e36b62..96d573b69f6 100644
--- a/vnet/vnet/feature/feature.h
+++ b/vnet/vnet/feature/feature.h
@@ -34,6 +34,10 @@ typedef struct _vnet_feature_arc_registration
u8 *arc_index_ptr;
} vnet_feature_arc_registration_t;
+/* Enable feature callback. */
+typedef clib_error_t *(vnet_feature_enable_disable_function_t)
+ (u32 sw_if_index, int enable_disable);
+
/** feature registration object */
typedef struct _vnet_feature_registration
{
@@ -50,6 +54,9 @@ typedef struct _vnet_feature_registration
char **runs_before;
/** Constraints of the form "this feature runs after Y" */
char **runs_after;
+
+ /** Function to enable/disable feature **/
+ vnet_feature_enable_disable_function_t *enable_disable_cb;
} vnet_feature_registration_t;
typedef struct vnet_feature_config_main_t_
@@ -121,6 +128,9 @@ vnet_config_update_feature_count (vnet_feature_main_t * fm, u8 arc,
u32 vnet_get_feature_index (u8 arc, const char *s);
u8 vnet_get_feature_arc_index (const char *s);
+vnet_feature_registration_t *vnet_get_feature_reg (const char *arc_name,
+ const char *node_name);
+
int
vnet_feature_enable_disable_with_index (u8 arc_index, u32 feature_index,
diff --git a/vpp-api-test/vat/api_format.c b/vpp-api-test/vat/api_format.c
index aa875256679..3d7ce4686c8 100644
--- a/vpp-api-test/vat/api_format.c
+++ b/vpp-api-test/vat/api_format.c
@@ -3575,7 +3575,8 @@ _(ip_source_and_port_range_check_add_del_reply) \
_(ip_source_and_port_range_check_interface_add_del_reply)\
_(delete_subif_reply) \
_(l2_interface_pbb_tag_rewrite_reply) \
-_(punt_reply)
+_(punt_reply) \
+_(feature_enable_disable_reply)
#define _(n) \
static void vl_api_##n##_t_handler \
@@ -3817,7 +3818,8 @@ _(DELETE_SUBIF_REPLY, delete_subif_reply) \
_(L2_INTERFACE_PBB_TAG_REWRITE_REPLY, l2_interface_pbb_tag_rewrite_reply) \
_(PUNT_REPLY, punt_reply) \
_(IP_FIB_DETAILS, ip_fib_details) \
-_(IP6_FIB_DETAILS, ip6_fib_details)
+_(IP6_FIB_DETAILS, ip6_fib_details) \
+_(FEATURE_ENABLE_DISABLE_REPLY, feature_enable_disable_reply)
/* M: construct, but don't yet send a message */
@@ -16280,6 +16282,72 @@ api_flow_classify_dump (vat_main_t * vam)
}
static int
+api_feature_enable_disable (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_feature_enable_disable_t *mp;
+ f64 timeout;
+ u8 *arc_name = 0;
+ u8 *feature_name = 0;
+ u32 sw_if_index = ~0;
+ u8 enable = 1;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "arc_name %s", &arc_name))
+ ;
+ else if (unformat (i, "feature_name %s", &feature_name))
+ ;
+ else if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index))
+ ;
+ else if (unformat (i, "sw_if_index %d", &sw_if_index))
+ ;
+ else if (unformat (i, "disable"))
+ enable = 0;
+ else
+ break;
+ }
+
+ if (arc_name == 0)
+ {
+ errmsg ("missing arc name\n");
+ return -99;
+ }
+ if (vec_len (arc_name) > 63)
+ {
+ errmsg ("arc name too long\n");
+ }
+
+ if (feature_name == 0)
+ {
+ errmsg ("missing feature name\n");
+ return -99;
+ }
+ if (vec_len (feature_name) > 63)
+ {
+ errmsg ("feature name too long\n");
+ }
+
+ if (sw_if_index == ~0)
+ {
+ errmsg ("missing interface name or sw_if_index\n");
+ return -99;
+ }
+
+ /* Construct the API message */
+ M (FEATURE_ENABLE_DISABLE, feature_enable_disable);
+ mp->sw_if_index = ntohl (sw_if_index);
+ mp->enable = enable;
+ clib_memcpy (mp->arc_name, arc_name, vec_len (arc_name));
+ clib_memcpy (mp->feature_name, feature_name, vec_len (feature_name));
+ vec_free (arc_name);
+ vec_free (feature_name);
+
+ S;
+ W;
+}
+
+static int
q_or_quit (vat_main_t * vam)
{
longjmp (vam->jump_buf, 1);
@@ -16889,7 +16957,9 @@ _(flow_classify_set_interface, \
"<intfc> | sw_if_index <nn> [ip4-table <nn>] [ip6-table <nn>] [del]") \
_(flow_classify_dump, "type [ip4|ip6]") \
_(ip_fib_dump, "") \
-_(ip6_fib_dump, "")
+_(ip6_fib_dump, "") \
+_(feature_enable_disable, "arc_name <arc_name> " \
+ "feature_name <feature_name> <intfc> | sw_if_index <nn> [disable]")
/* List of command functions, CLI names map directly to functions */
#define foreach_cli_function \
diff --git a/vpp/vpp-api/api.c b/vpp/vpp-api/api.c
index e234df8f41a..b2b639a718c 100644
--- a/vpp/vpp-api/api.c
+++ b/vpp/vpp-api/api.c
@@ -89,6 +89,7 @@
#include <vnet/ipsec-gre/ipsec_gre.h>
#include <vnet/flow/flow_report_classify.h>
#include <vnet/ip/punt.h>
+#include <vnet/feature/feature.h>
#undef BIHASH_TYPE
#undef __included_bihash_template_h__
@@ -466,7 +467,8 @@ _(IPSEC_SPD_DUMP, ipsec_spd_dump) \
_(IP_FIB_DUMP, ip_fib_dump) \
_(IP_FIB_DETAILS, ip_fib_details) \
_(IP6_FIB_DUMP, ip6_fib_dump) \
-_(IP6_FIB_DETAILS, ip6_fib_details)
+_(IP6_FIB_DETAILS, ip6_fib_details) \
+_(FEATURE_ENABLE_DISABLE, feature_enable_disable)
#define QUOTE_(x) #x
#define QUOTE(x) QUOTE_(x)
@@ -9174,6 +9176,45 @@ vl_api_ipsec_spd_dump_t_handler (vl_api_ipsec_spd_dump_t * mp)
#endif
}
+static void
+vl_api_feature_enable_disable_t_handler (vl_api_feature_enable_disable_t * mp)
+{
+ vl_api_feature_enable_disable_reply_t *rmp;
+ int rv = 0;
+
+ u8 *arc_name = format (0, "%s%c", mp->arc_name, 0);
+ u8 *feature_name = format (0, "%s%c", mp->feature_name, 0);
+ u32 sw_if_index = ntohl (mp->sw_if_index);
+
+ vnet_feature_registration_t *reg;
+ reg =
+ vnet_get_feature_reg ((const char *) arc_name,
+ (const char *) feature_name);
+ if (reg == 0)
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ else
+ {
+ clib_error_t *error = 0;
+
+ if (reg->enable_disable_cb)
+ error = reg->enable_disable_cb (sw_if_index, mp->enable);
+ if (!error)
+ vnet_feature_enable_disable ((const char *) arc_name,
+ (const char *) feature_name,
+ sw_if_index, mp->enable, 0, 0);
+ else
+ {
+ clib_error_report (error);
+ rv = VNET_API_ERROR_CANNOT_ENABLE_DISABLE_FEATURE;
+ }
+ }
+
+ vec_free (feature_name);
+ vec_free (arc_name);
+
+ REPLY_MACRO (VL_API_FEATURE_ENABLE_DISABLE_REPLY);
+}
+
#define BOUNCE_HANDLER(nn) \
static void vl_api_##nn##_t_handler ( \
vl_api_##nn##_t *mp) \
diff --git a/vpp/vpp-api/custom_dump.c b/vpp/vpp-api/custom_dump.c
index 1dc96650aec..6c181eecacb 100644
--- a/vpp/vpp-api/custom_dump.c
+++ b/vpp/vpp-api/custom_dump.c
@@ -2892,6 +2892,21 @@ static void *vl_api_ioam_disable_t_print
FINISH;
}
+static void *vl_api_feature_enable_disable_t_print
+ (vl_api_feature_enable_disable_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: feature_enable_disable ");
+ s = format (s, "arc_name %s ", mp->arc_name);
+ s = format (s, "feature_name %s ", mp->feature_name);
+ s = format (s, "sw_if_index %d ", ntohl (mp->sw_if_index));
+ if (!mp->enable)
+ s = format (s, "disable");
+
+ FINISH;
+}
+
#define foreach_custom_print_no_arg_function \
_(lisp_eid_table_vni_dump) \
_(lisp_map_resolver_dump) \
@@ -3062,7 +3077,8 @@ _(GET_FIRST_MSG_ID, get_first_msg_id) \
_(IOAM_ENABLE, ioam_enable) \
_(IOAM_DISABLE, ioam_disable) \
_(IP_FIB_DUMP, ip_fib_dump) \
-_(IP6_FIB_DUMP, ip6_fib_dump)
+_(IP6_FIB_DUMP, ip6_fib_dump) \
+_(FEATURE_ENABLE_DISABLE, feature_enable_disable)
void
vl_msg_api_custom_dump_configure (api_main_t * am)
{
diff --git a/vpp/vpp-api/vpe.api b/vpp/vpp-api/vpe.api
index 8a7fac67604..934c4d830d4 100644
--- a/vpp/vpp-api/vpe.api
+++ b/vpp/vpp-api/vpe.api
@@ -5495,3 +5495,27 @@ define ipsec_spd_details {
u64 packets;
};
+/** \brief Feature path enable/disable request
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param sw_if_index - the interface
+ @param enable - 1 = on, 0 = off
+*/
+define feature_enable_disable {
+ u32 client_index;
+ u32 context;
+ u32 sw_if_index;
+ u8 enable;
+ u8 arc_name[64];
+ u8 feature_name[64];
+};
+
+/** \brief Reply to the eature path enable/disable request
+ @param context - sender context which was passed in the request
+ @param retval - return code for the request
+*/
+define feature_enable_disable_reply
+{
+ u32 context;
+ i32 retval;
+};