--- /dev/null
+/*
+ * Copyright (c) 2016 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.
+ */
+#include <vnet/classify/policer_classify.h>
+
+static void
+vnet_policer_classify_feature_enable (vlib_main_t * vnm,
+ policer_classify_main_t * pcm,
+ u32 sw_if_index,
+ policer_classify_table_id_t tid,
+ int feature_enable)
+{
+ if (tid == POLICER_CLASSIFY_TABLE_L2)
+ {
+ l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_POLICER_CLAS,
+ feature_enable);
+ }
+ else
+ {
+ vnet_feature_config_main_t * fcm;
+ u8 arc;
+
+ if (tid == POLICER_CLASSIFY_TABLE_IP4)
+ {
+ vnet_feature_enable_disable ("ip4-unicast", "ip4-policer-classify",
+ sw_if_index, feature_enable, 0, 0);
+ arc = vnet_get_feature_arc_index ("ip4-unicast");
+ }
+
+ else
+ {
+ vnet_feature_enable_disable ("ip6-unicast", "ip6-policer-classify",
+ sw_if_index, feature_enable, 0, 0);
+ arc = vnet_get_feature_arc_index ("ip6-unicast");
+ }
+
+ fcm = vnet_get_feature_arc_config_main (arc);
+ pcm->vnet_config_main[tid] = &fcm->config_main;
+ }
+}
+
+int vnet_set_policer_classify_intfc (vlib_main_t * vm, u32 sw_if_index,
+ u32 ip4_table_index, u32 ip6_table_index,
+ u32 l2_table_index, u32 is_add)
+{
+ policer_classify_main_t * pcm = &policer_classify_main;
+ vnet_classify_main_t * vcm = pcm->vnet_classify_main;
+ u32 pct[POLICER_CLASSIFY_N_TABLES] = {ip4_table_index, ip6_table_index,
+ l2_table_index};
+ u32 ti;
+
+ /* Assume that we've validated sw_if_index in the API layer */
+
+ for (ti = 0; ti < POLICER_CLASSIFY_N_TABLES; ti++)
+ {
+ if (pct[ti] == ~0)
+ continue;
+
+ if (pool_is_free_index (vcm->tables, pct[ti]))
+ return VNET_API_ERROR_NO_SUCH_TABLE;
+
+ vec_validate_init_empty
+ (pcm->classify_table_index_by_sw_if_index[ti], sw_if_index, ~0);
+
+ /* Reject any DEL operation with wrong sw_if_index */
+ if (!is_add &&
+ (pct[ti] != pcm->classify_table_index_by_sw_if_index[ti][sw_if_index]))
+ {
+ clib_warning ("Non-existent intf_idx=%d with table_index=%d for delete",
+ sw_if_index, pct[ti]);
+ return VNET_API_ERROR_NO_SUCH_TABLE;
+ }
+
+ /* Return ok on ADD operaton if feature is already enabled */
+ if (is_add &&
+ pcm->classify_table_index_by_sw_if_index[ti][sw_if_index] != ~0)
+ return 0;
+
+ vnet_policer_classify_feature_enable (vm, pcm, sw_if_index, ti, is_add);
+
+ if (is_add)
+ pcm->classify_table_index_by_sw_if_index[ti][sw_if_index] = pct[ti];
+ else
+ pcm->classify_table_index_by_sw_if_index[ti][sw_if_index] = ~0;
+ }
+
+
+ return 0;
+}
+
+static clib_error_t *
+set_policer_classify_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vnet_main_t * vnm = vnet_get_main();
+ u32 sw_if_index = ~0;
+ u32 ip4_table_index = ~0;
+ u32 ip6_table_index = ~0;
+ u32 l2_table_index = ~0;
+ u32 is_add = 1;
+ u32 idx_cnt = 0;
+ int rv;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "interface %U", unformat_vnet_sw_interface,
+ vnm, &sw_if_index))
+ ;
+ else if (unformat (input, "ip4-table %d", &ip4_table_index))
+ idx_cnt++;
+ else if (unformat (input, "ip6-table %d", &ip6_table_index))
+ idx_cnt++;
+ else if (unformat (input, "l2-table %d", &l2_table_index))
+ idx_cnt++;
+ else if (unformat (input, "del"))
+ is_add = 0;
+ else
+ break;
+ }
+
+ if (sw_if_index == ~0)
+ return clib_error_return (0, "Interface must be specified.");
+
+ if (!idx_cnt)
+ return clib_error_return (0, "Table index should be specified.");
+
+ if (idx_cnt > 1)
+ return clib_error_return (0, "Only one table index per API is allowed.");
+
+ rv = vnet_set_policer_classify_intfc(vm, sw_if_index, ip4_table_index,
+ ip6_table_index, l2_table_index, is_add);
+
+ switch (rv)
+ {
+ case 0:
+ break;
+
+ case VNET_API_ERROR_NO_MATCHING_INTERFACE:
+ return clib_error_return (0, "No such interface");
+
+ case VNET_API_ERROR_NO_SUCH_ENTRY:
+ return clib_error_return (0, "No such classifier table");
+ }
+ return 0;
+}
+
+VLIB_CLI_COMMAND (set_policer_classify_command, static) = {
+ .path = "set policer classify",
+ .short_help =
+ "set policer classify interface <int> [ip4-table <index>]\n"
+ " [ip6-table <index>] [l2-table <index>] [del]",
+ .function = set_policer_classify_command_fn,
+};
+
+static uword
+unformat_table_type (unformat_input_t * input, va_list * va)
+{
+ u32 * r = va_arg (*va, u32 *);
+ u32 tid;
+
+ if (unformat (input, "ip4"))
+ tid = POLICER_CLASSIFY_TABLE_IP4;
+ else if (unformat (input, "ip6"))
+ tid = POLICER_CLASSIFY_TABLE_IP6;
+ else if (unformat (input, "l2"))
+ tid = POLICER_CLASSIFY_TABLE_L2;
+ else
+ return 0;
+
+ *r = tid;
+ return 1;
+}
+static clib_error_t *
+show_policer_classify_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ policer_classify_main_t * pcm = &policer_classify_main;
+ u32 type = POLICER_CLASSIFY_N_TABLES;
+ u32 * vec_tbl;
+ int i;
+
+ if (unformat (input, "type %U", unformat_table_type, &type))
+ ;
+ else
+ return clib_error_return (0, "Type must be specified.");;
+
+ if (type == POLICER_CLASSIFY_N_TABLES)
+ return clib_error_return (0, "Invalid table type.");
+
+ vec_tbl = pcm->classify_table_index_by_sw_if_index[type];
+
+ if (vec_len(vec_tbl))
+ vlib_cli_output (vm, "%10s%20s\t\t%s", "Intfc idx", "Classify table",
+ "Interface name");
+ else
+ vlib_cli_output (vm, "No tables configured.");
+
+ for (i = 0; i < vec_len (vec_tbl); i++)
+ {
+ if (vec_elt(vec_tbl, i) == ~0)
+ continue;
+
+ vlib_cli_output (vm, "%10d%20d\t\t%U", i, vec_elt(vec_tbl, i),
+ format_vnet_sw_if_index_name, pcm->vnet_main, i);
+ }
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (show_policer_classify_command, static) = {
+ .path = "show classify policer",
+ .short_help = "show classify policer type [ip4|ip6|l2]",
+ .function = show_policer_classify_command_fn,
+};
Code Review / vpp.git / blobdiff