+++ /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/feature/feature.h>
-
-vnet_feature_main_t feature_main;
-
-static clib_error_t *
-vnet_feature_init (vlib_main_t * vm)
-{
- vnet_feature_main_t *fm = &feature_main;
- vnet_feature_registration_t *freg;
- vnet_feature_arc_registration_t *areg;
- u32 arc_index = 0;
-
- fm->arc_index_by_name = hash_create_string (0, sizeof (uword));
- areg = fm->next_arc;
-
- /* process feature arc registrations */
- while (areg)
- {
- char *s;
- int i = 0;
- areg->feature_arc_index = arc_index;
- if (areg->arc_index_ptr)
- *areg->arc_index_ptr = arc_index;
- hash_set_mem (fm->arc_index_by_name, areg->arc_name,
- pointer_to_uword (areg));
-
- /* process start nodes */
- while ((s = areg->start_nodes[i]))
- {
- i++;
- }
- areg->n_start_nodes = i;
-
- /* next */
- areg = areg->next;
- arc_index++;
- }
-
- vec_validate (fm->next_feature_by_arc, arc_index - 1);
- vec_validate (fm->feature_nodes, arc_index - 1);
- vec_validate (fm->feature_config_mains, arc_index - 1);
- vec_validate (fm->next_feature_by_name, arc_index - 1);
- vec_validate (fm->sw_if_index_has_features, arc_index - 1);
- vec_validate (fm->feature_count_by_sw_if_index, arc_index - 1);
-
- freg = fm->next_feature;
- while (freg)
- {
- vnet_feature_registration_t *next;
- uword *p = hash_get_mem (fm->arc_index_by_name, freg->arc_name);
- if (p == 0)
- return clib_error_return (0, "Unknown feature arc '%s'",
- freg->arc_name);
-
- areg = uword_to_pointer (p[0], vnet_feature_arc_registration_t *);
- arc_index = areg->feature_arc_index;
-
- next = freg->next;
- freg->next = fm->next_feature_by_arc[arc_index];
- fm->next_feature_by_arc[arc_index] = freg;
-
- /* next */
- freg = next;
- }
-
- areg = fm->next_arc;
- while (areg)
- {
- clib_error_t *error;
- vnet_feature_config_main_t *cm;
- vnet_config_main_t *vcm;
-
- arc_index = areg->feature_arc_index;
- cm = &fm->feature_config_mains[arc_index];
- vcm = &cm->config_main;
- if ((error = vnet_feature_arc_init (vm, vcm,
- areg->start_nodes,
- areg->n_start_nodes,
- fm->next_feature_by_arc[arc_index],
- &fm->feature_nodes[arc_index])))
- {
- return error;
- }
-
- fm->next_feature_by_name[arc_index] =
- hash_create_string (0, sizeof (uword));
- freg = fm->next_feature_by_arc[arc_index];
-
- while (freg)
- {
- hash_set_mem (fm->next_feature_by_name[arc_index],
- freg->node_name, pointer_to_uword (freg));
- freg = freg->next;
- }
-
- cm->end_feature_index =
- vnet_get_feature_index (arc_index, areg->end_node);
-
- /* next */
- areg = areg->next;
- arc_index++;
- }
-
- return 0;
-}
-
-VLIB_INIT_FUNCTION (vnet_feature_init);
-
-u8
-vnet_get_feature_arc_index (const char *s)
-{
- vnet_feature_main_t *fm = &feature_main;
- vnet_feature_arc_registration_t *reg;
- uword *p;
-
- p = hash_get_mem (fm->arc_index_by_name, s);
- if (p == 0)
- return ~0;
-
- reg = uword_to_pointer (p[0], vnet_feature_arc_registration_t *);
- 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)
-{
- vnet_feature_main_t *fm = &feature_main;
- vnet_feature_registration_t *reg;
- uword *p;
-
- if (s == 0)
- return ~0;
-
- p = hash_get_mem (fm->next_feature_by_name[arc], s);
- if (p == 0)
- return ~0;
-
- reg = uword_to_pointer (p[0], vnet_feature_registration_t *);
- return reg->feature_index;
-}
-
-int
-vnet_feature_enable_disable_with_index (u8 arc_index, u32 feature_index,
- u32 sw_if_index, int enable_disable,
- void *feature_config,
- u32 n_feature_config_bytes)
-{
- vnet_feature_main_t *fm = &feature_main;
- vnet_feature_config_main_t *cm;
- i16 feature_count;
- int is_first_or_last;
- u32 ci;
-
- if (arc_index == (u8) ~ 0)
- return VNET_API_ERROR_INVALID_VALUE;
-
- if (feature_index == ~0)
- return VNET_API_ERROR_INVALID_VALUE_2;
-
- cm = &fm->feature_config_mains[arc_index];
- vec_validate_init_empty (cm->config_index_by_sw_if_index, sw_if_index, ~0);
- ci = cm->config_index_by_sw_if_index[sw_if_index];
-
- vec_validate (fm->feature_count_by_sw_if_index[arc_index], sw_if_index);
- feature_count = fm->feature_count_by_sw_if_index[arc_index][sw_if_index];
-
- if (!enable_disable && feature_count < 1)
- return 0;
-
- ci = (enable_disable
- ? vnet_config_add_feature
- : vnet_config_del_feature)
- (vlib_get_main (), &cm->config_main, ci, feature_index, feature_config,
- n_feature_config_bytes);
- cm->config_index_by_sw_if_index[sw_if_index] = ci;
-
- /* update feature count */
- enable_disable = (enable_disable > 0);
- feature_count += enable_disable ? 1 : -1;
- is_first_or_last = (feature_count == enable_disable);
- ASSERT (feature_count >= 0);
-
- if (is_first_or_last && cm->end_feature_index != ~0)
- {
- /*register end node */
- ci = (enable_disable
- ? vnet_config_add_feature
- : vnet_config_del_feature)
- (vlib_get_main (), &cm->config_main, ci, cm->end_feature_index, 0, 0);
- cm->config_index_by_sw_if_index[sw_if_index] = ci;
- }
-
- fm->sw_if_index_has_features[arc_index] =
- clib_bitmap_set (fm->sw_if_index_has_features[arc_index], sw_if_index,
- (feature_count > 0));
-
- fm->feature_count_by_sw_if_index[arc_index][sw_if_index] = feature_count;
- return 0;
-}
-
-int
-vnet_feature_enable_disable (const char *arc_name, const char *node_name,
- u32 sw_if_index, int enable_disable,
- void *feature_config, u32 n_feature_config_bytes)
-{
- u32 feature_index;
- u8 arc_index;
-
- arc_index = vnet_get_feature_arc_index (arc_name);
-
- if (arc_index == (u8) ~ 0)
- return VNET_API_ERROR_INVALID_VALUE;
-
- feature_index = vnet_get_feature_index (arc_index, node_name);
-
- return vnet_feature_enable_disable_with_index (arc_index, feature_index,
- sw_if_index, enable_disable,
- feature_config,
- n_feature_config_bytes);
-}
-
-
-/** Display the set of available driver features.
- Useful for verifying that expected features are present
-*/
-
-static clib_error_t *
-show_features_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- vnet_feature_main_t *fm = &feature_main;
- vnet_feature_arc_registration_t *areg;
- vnet_feature_registration_t *freg;
-
- vlib_cli_output (vm, "Available feature paths");
-
- areg = fm->next_arc;
- while (areg)
- {
- vlib_cli_output (vm, "%s:", areg->arc_name);
- freg = fm->next_feature_by_arc[areg->feature_arc_index];
- while (freg)
- {
- vlib_cli_output (vm, " %s\n", freg->node_name);
- freg = freg->next;
- }
-
-
- /* next */
- areg = areg->next;
- }
-
- return 0;
-}
-
-/*?
- * Display the set of available driver features
- *
- * @cliexpar
- * Example:
- * @cliexcmd{show ip features}
- * @cliexend
- * @endparblock
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (show_features_command, static) = {
- .path = "show features",
- .short_help = "show features",
- .function = show_features_command_fn,
-};
-/* *INDENT-ON* */
-
-/** Display the set of driver features configured on a specific interface
- * Called by "show interface" handler
- */
-
-void
-vnet_interface_features_show (vlib_main_t * vm, u32 sw_if_index)
-{
- vnet_feature_main_t *fm = &feature_main;
- u32 node_index, current_config_index;
- u16 feature_arc;
- vnet_feature_config_main_t *cm = fm->feature_config_mains;
- vnet_feature_arc_registration_t *areg;
- vnet_config_main_t *vcm;
- vnet_config_t *cfg;
- u32 cfg_index;
- vnet_config_feature_t *feat;
- vlib_node_t *n;
- int i;
-
- vlib_cli_output (vm, "Driver feature paths configured on %U...",
- format_vnet_sw_if_index_name,
- vnet_get_main (), sw_if_index);
-
- areg = fm->next_arc;
- while (areg)
- {
- feature_arc = areg->feature_arc_index;
- vcm = &(cm[feature_arc].config_main);
-
- vlib_cli_output (vm, "\n%s:", areg->arc_name);
- areg = areg->next;
-
- if (NULL == cm[feature_arc].config_index_by_sw_if_index ||
- vec_len (cm[feature_arc].config_index_by_sw_if_index) <=
- sw_if_index)
- {
- vlib_cli_output (vm, " none configured");
- continue;
- }
-
- current_config_index =
- vec_elt (cm[feature_arc].config_index_by_sw_if_index, sw_if_index);
-
- if (current_config_index == ~0)
- {
- vlib_cli_output (vm, " none configured");
- continue;
- }
-
- ASSERT (current_config_index
- < vec_len (vcm->config_pool_index_by_user_index));
-
- cfg_index = vcm->config_pool_index_by_user_index[current_config_index];
- cfg = pool_elt_at_index (vcm->config_pool, cfg_index);
-
- for (i = 0; i < vec_len (cfg->features); i++)
- {
- feat = cfg->features + i;
- node_index = feat->node_index;
- n = vlib_get_node (vm, node_index);
- vlib_cli_output (vm, " %v", n->name);
- }
- }
-}
-
-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
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff