diff options
Diffstat (limited to 'vnet/vnet/feature/feature.c')
| -rw-r--r-- | vnet/vnet/feature/feature.c | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/vnet/vnet/feature/feature.c b/vnet/vnet/feature/feature.c deleted file mode 100644 index 032fe784ace..00000000000 --- a/vnet/vnet/feature/feature.c +++ /dev/null @@ -1,463 +0,0 @@ -/* - * 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: - */ |