diff options
Diffstat (limited to 'src/vnet/cop/cop.c')
-rw-r--r-- | src/vnet/cop/cop.c | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/src/vnet/cop/cop.c b/src/vnet/cop/cop.c deleted file mode 100644 index edd09856092..00000000000 --- a/src/vnet/cop/cop.c +++ /dev/null @@ -1,384 +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/cop/cop.h> - -cop_main_t cop_main; - -static clib_error_t * -cop_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add) -{ - cop_main_t * cm = &cop_main; - cop_config_data_t _data, *data = &_data; - vlib_main_t * vm = cm->vlib_main; - vnet_hw_interface_t * hi = vnet_get_sup_hw_interface (vnm, sw_if_index);; - cop_config_main_t * ccm; - int address_family; - u32 ci, default_next; - - clib_memset (data, 0, sizeof(*data)); - - /* - * Ignore local interface, pg interfaces. $$$ need a #define for the - * first "real" interface. The answer is 5 at the moment. - */ - if (hi->dev_class_index == vnet_local_interface_device_class.index) - return 0; - - for (address_family = VNET_COP_IP4; address_family < VNET_N_COPS; - address_family++) - { - ccm = &cm->cop_config_mains[address_family]; - - /* - * Once-only code to initialize the per-address-family - * cop feature subgraphs. - * Since the (single) start-node, cop-input, must be able - * to push pkts into three separate subgraphs, we - * use a unified cop_feature_type_t enumeration. - */ - - if (!(ccm->config_main.node_index_by_feature_index)) - { - switch (address_family) - { - case VNET_COP_IP4: - { - static char * start_nodes[] = { "cop-input" }; - static char * feature_nodes[] = { - [IP4_RX_COP_WHITELIST] = "ip4-cop-whitelist", - [IP4_RX_COP_INPUT] = "ip4-input", - }; - - vnet_config_init (vm, &ccm->config_main, - start_nodes, ARRAY_LEN(start_nodes), - feature_nodes, ARRAY_LEN(feature_nodes)); - } - break; - case VNET_COP_IP6: - { - static char * start_nodes[] = { "cop-input" }; - static char * feature_nodes[] = { - [IP6_RX_COP_WHITELIST] = "ip6-cop-whitelist", - [IP6_RX_COP_INPUT] = "ip6-input", - }; - vnet_config_init (vm, &ccm->config_main, - start_nodes, ARRAY_LEN(start_nodes), - feature_nodes, ARRAY_LEN(feature_nodes)); - } - break; - - case VNET_COP_DEFAULT: - { - static char * start_nodes[] = { "cop-input" }; - static char * feature_nodes[] = { - [DEFAULT_RX_COP_WHITELIST] = "default-cop-whitelist", - [DEFAULT_RX_COP_INPUT] = "ethernet-input", - }; - vnet_config_init (vm, &ccm->config_main, - start_nodes, ARRAY_LEN(start_nodes), - feature_nodes, ARRAY_LEN(feature_nodes)); - } - break; - - default: - clib_warning ("bug"); - break; - } - } - vec_validate_init_empty (ccm->config_index_by_sw_if_index, sw_if_index, - ~0); - - ci = ccm->config_index_by_sw_if_index[sw_if_index]; - - /* Create a sensible initial config: send pkts to xxx-input */ - if (address_family == VNET_COP_IP4) - default_next = IP4_RX_COP_INPUT; - else if (address_family == VNET_COP_IP6) - default_next = IP6_RX_COP_INPUT; - else - default_next = DEFAULT_RX_COP_INPUT; - - if (is_add) - ci = vnet_config_add_feature (vm, &ccm->config_main, - ci, - default_next, - data, sizeof(*data)); - else - ci = vnet_config_del_feature (vm, &ccm->config_main, - ci, - default_next, - data, sizeof(*data)); - - ccm->config_index_by_sw_if_index[sw_if_index] = ci; - } - return 0; -} - -VNET_SW_INTERFACE_ADD_DEL_FUNCTION (cop_sw_interface_add_del); - -static clib_error_t * -cop_init (vlib_main_t *vm) -{ - cop_main_t * cm = &cop_main; - - cm->vlib_main = vm; - cm->vnet_main = vnet_get_main(); - - return 0; -} - -/* *INDENT-OFF* */ -VLIB_INIT_FUNCTION (cop_init) = -{ - .runs_after = VLIB_INITS ("ip4_whitelist_init", "ip6_whitelist_init"), -}; -/* *INDENT-ON* */ - -int cop_interface_enable_disable (u32 sw_if_index, int enable_disable) -{ - cop_main_t * cm = &cop_main; - vnet_sw_interface_t * sw; - int rv; - u32 node_index = enable_disable ? cop_input_node.index : ~0; - - /* Not a physical port? */ - sw = vnet_get_sw_interface (cm->vnet_main, sw_if_index); - if (sw->type != VNET_SW_INTERFACE_TYPE_HARDWARE) - return VNET_API_ERROR_INVALID_SW_IF_INDEX; - - /* - * Redirect pkts from the driver to the cop node. - * Returns VNET_API_ERROR_UNIMPLEMENTED if the h/w driver - * doesn't implement the API. - * - * Node_index = ~0 => shut off redirection - */ - rv = vnet_hw_interface_rx_redirect_to_node (cm->vnet_main, sw_if_index, - node_index); - return rv; -} - -static clib_error_t * -cop_enable_disable_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - cop_main_t * cm = &cop_main; - u32 sw_if_index = ~0; - int enable_disable = 1; - - int rv; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { - if (unformat (input, "disable")) - enable_disable = 0; - else if (unformat (input, "%U", unformat_vnet_sw_interface, - cm->vnet_main, &sw_if_index)) - ; - else - break; - } - - if (sw_if_index == ~0) - return clib_error_return (0, "Please specify an interface..."); - - rv = cop_interface_enable_disable (sw_if_index, enable_disable); - - switch(rv) { - case 0: - break; - - case VNET_API_ERROR_INVALID_SW_IF_INDEX: - return clib_error_return - (0, "Invalid interface, only works on physical ports"); - break; - - case VNET_API_ERROR_UNIMPLEMENTED: - return clib_error_return (0, "Device driver doesn't support redirection"); - break; - - default: - return clib_error_return (0, "cop_interface_enable_disable returned %d", - rv); - } - return 0; -} - -VLIB_CLI_COMMAND (cop_interface_command, static) = { - .path = "cop interface", - .short_help = - "cop interface <interface-name> [disable]", - .function = cop_enable_disable_command_fn, -}; - - -int cop_whitelist_enable_disable (cop_whitelist_enable_disable_args_t *a) -{ - cop_main_t * cm = &cop_main; - vlib_main_t * vm = cm->vlib_main; - ip4_main_t * im4 = &ip4_main; - ip6_main_t * im6 = &ip6_main; - int address_family; - int is_add; - cop_config_main_t * ccm; - u32 next_to_add_del = 0; - uword * p; - u32 fib_index = 0; - u32 ci; - cop_config_data_t _data, *data=&_data; - - /* - * Enable / disable whitelist processing on the specified interface - */ - - for (address_family = VNET_COP_IP4; address_family < VNET_N_COPS; - address_family++) - { - ccm = &cm->cop_config_mains[address_family]; - - switch(address_family) - { - case VNET_COP_IP4: - is_add = (a->ip4 != 0); - next_to_add_del = IP4_RX_COP_WHITELIST; - /* configured opaque data must match, or no supper */ - p = hash_get (im4->fib_index_by_table_id, a->fib_id); - if (p) - fib_index = p[0]; - else - { - if (is_add) - return VNET_API_ERROR_NO_SUCH_FIB; - else - continue; - } - break; - - case VNET_COP_IP6: - is_add = (a->ip6 != 0); - next_to_add_del = IP6_RX_COP_WHITELIST; - p = hash_get (im6->fib_index_by_table_id, a->fib_id); - if (p) - fib_index = p[0]; - else - { - if (is_add) - return VNET_API_ERROR_NO_SUCH_FIB; - else - continue; - } - break; - - case VNET_COP_DEFAULT: - is_add = (a->default_cop != 0); - next_to_add_del = DEFAULT_RX_COP_WHITELIST; - break; - - default: - clib_warning ("BUG"); - } - - ci = ccm->config_index_by_sw_if_index[a->sw_if_index]; - data->fib_index = fib_index; - - if (is_add) - ci = vnet_config_add_feature (vm, &ccm->config_main, - ci, - next_to_add_del, - data, sizeof (*data)); - else - ci = vnet_config_del_feature (vm, &ccm->config_main, - ci, - next_to_add_del, - data, sizeof (*data)); - - ccm->config_index_by_sw_if_index[a->sw_if_index] = ci; - } - return 0; -} - -static clib_error_t * -cop_whitelist_enable_disable_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - cop_main_t * cm = &cop_main; - u32 sw_if_index = ~0; - u8 ip4 = 0; - u8 ip6 = 0; - u8 default_cop = 0; - u32 fib_id = 0; - int rv; - cop_whitelist_enable_disable_args_t _a, * a = &_a; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { - if (unformat (input, "ip4")) - ip4 = 1; - else if (unformat (input, "ip6")) - ip6 = 1; - else if (unformat (input, "default")) - default_cop = 1; - else if (unformat (input, "%U", unformat_vnet_sw_interface, - cm->vnet_main, &sw_if_index)) - ; - else if (unformat (input, "fib-id %d", &fib_id)) - ; - else - break; - } - - if (sw_if_index == ~0) - return clib_error_return (0, "Please specify an interface..."); - - a->sw_if_index = sw_if_index; - a->ip4 = ip4; - a->ip6 = ip6; - a->default_cop = default_cop; - a->fib_id = fib_id; - - rv = cop_whitelist_enable_disable (a); - - switch(rv) { - case 0: - break; - - case VNET_API_ERROR_INVALID_SW_IF_INDEX: - return clib_error_return - (0, "Invalid interface, only works on physical ports"); - break; - - case VNET_API_ERROR_NO_SUCH_FIB: - return clib_error_return - (0, "Invalid fib"); - break; - - case VNET_API_ERROR_UNIMPLEMENTED: - return clib_error_return (0, "Device driver doesn't support redirection"); - break; - - default: - return clib_error_return (0, "cop_whitelist_enable_disable returned %d", - rv); - } - - return 0; -} - -VLIB_CLI_COMMAND (cop_whitelist_command, static) = { - .path = "cop whitelist", - .short_help = - "cop whitelist <interface-name> [ip4][ip6][default][fib-id <NN>][disable]", - .function = cop_whitelist_enable_disable_command_fn, -}; |