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Diffstat (limited to 'sample-plugin/sample/sample.c')
| -rw-r--r-- | sample-plugin/sample/sample.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/sample-plugin/sample/sample.c b/sample-plugin/sample/sample.c deleted file mode 100644 index 155c845a332..00000000000 --- a/sample-plugin/sample/sample.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * Copyright (c) 2015 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. - */ -/* - *------------------------------------------------------------------ - * sample.c - simple MAC-swap API / debug CLI handling - *------------------------------------------------------------------ - */ - -#include <vnet/vnet.h> -#include <vnet/plugin/plugin.h> -#include <sample/sample.h> - -#include <vlibapi/api.h> -#include <vlibmemory/api.h> -#include <vlibsocket/api.h> - -/* define message IDs */ -#include <sample/sample_msg_enum.h> - -/* define message structures */ -#define vl_typedefs -#include <sample/sample_all_api_h.h> -#undef vl_typedefs - -/* define generated endian-swappers */ -#define vl_endianfun -#include <sample/sample_all_api_h.h> -#undef vl_endianfun - -/* instantiate all the print functions we know about */ -#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) -#define vl_printfun -#include <sample/sample_all_api_h.h> -#undef vl_printfun - -/* Get the API version number */ -#define vl_api_version(n,v) static u32 api_version=(v); -#include <sample/sample_all_api_h.h> -#undef vl_api_version - -/* - * A handy macro to set up a message reply. - * Assumes that the following variables are available: - * mp - pointer to request message - * rmp - pointer to reply message type - * rv - return value - */ - -#define REPLY_MACRO(t) \ -do { \ - unix_shared_memory_queue_t * q = \ - vl_api_client_index_to_input_queue (mp->client_index); \ - if (!q) \ - return; \ - \ - rmp = vl_msg_api_alloc (sizeof (*rmp)); \ - rmp->_vl_msg_id = ntohs((t)+sm->msg_id_base); \ - rmp->context = mp->context; \ - rmp->retval = ntohl(rv); \ - \ - vl_msg_api_send_shmem (q, (u8 *)&rmp); \ -} while(0); - - -/* List of message types that this plugin understands */ - -#define foreach_sample_plugin_api_msg \ -_(SAMPLE_MACSWAP_ENABLE_DISABLE, sample_macswap_enable_disable) - -/* - * This routine exists to convince the vlib plugin framework that - * we haven't accidentally copied a random .dll into the plugin directory. - * - * Also collects global variable pointers passed from the vpp engine - */ - -clib_error_t * -vlib_plugin_register (vlib_main_t * vm, vnet_plugin_handoff_t * h, - int from_early_init) -{ - sample_main_t * sm = &sample_main; - clib_error_t * error = 0; - - sm->vlib_main = vm; - sm->vnet_main = h->vnet_main; - sm->ethernet_main = h->ethernet_main; - - return error; -} - -/* Action function shared between message handler and debug CLI */ - -int sample_macswap_enable_disable (sample_main_t * sm, u32 sw_if_index, - int enable_disable) -{ - vnet_sw_interface_t * sw; - int rv; - u32 node_index = enable_disable ? sample_node.index : ~0; - - /* Utterly wrong? */ - if (pool_is_free_index (sm->vnet_main->interface_main.sw_interfaces, - sw_if_index)) - return VNET_API_ERROR_INVALID_SW_IF_INDEX; - - /* Not a physical port? */ - sw = vnet_get_sw_interface (sm->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 macswap 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 (sm->vnet_main, sw_if_index, - node_index); - return rv; -} - -static clib_error_t * -macswap_enable_disable_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - sample_main_t * sm = &sample_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, - sm->vnet_main, &sw_if_index)) - ; - else - break; - } - - if (sw_if_index == ~0) - return clib_error_return (0, "Please specify an interface..."); - - rv = sample_macswap_enable_disable (sm, 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, "sample_macswap_enable_disable returned %d", - rv); - } - return 0; -} - -VLIB_CLI_COMMAND (sr_content_command, static) = { - .path = "sample macswap", - .short_help = - "sample macswap <interface-name> [disable]", - .function = macswap_enable_disable_command_fn, -}; - -/* API message handler */ -static void vl_api_sample_macswap_enable_disable_t_handler -(vl_api_sample_macswap_enable_disable_t * mp) -{ - vl_api_sample_macswap_enable_disable_reply_t * rmp; - sample_main_t * sm = &sample_main; - int rv; - - rv = sample_macswap_enable_disable (sm, ntohl(mp->sw_if_index), - (int) (mp->enable_disable)); - - REPLY_MACRO(VL_API_SAMPLE_MACSWAP_ENABLE_DISABLE_REPLY); -} - -/* Set up the API message handling tables */ -static clib_error_t * -sample_plugin_api_hookup (vlib_main_t *vm) -{ - sample_main_t * sm = &sample_main; -#define _(N,n) \ - vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \ - #n, \ - vl_api_##n##_t_handler, \ - vl_noop_handler, \ - vl_api_##n##_t_endian, \ - vl_api_##n##_t_print, \ - sizeof(vl_api_##n##_t), 1); - foreach_sample_plugin_api_msg; -#undef _ - - return 0; -} - -static clib_error_t * sample_init (vlib_main_t * vm) -{ - sample_main_t * sm = &sample_main; - clib_error_t * error = 0; - u8 * name; - - name = format (0, "sample_%08x%c", api_version, 0); - - /* Ask for a correctly-sized block of API message decode slots */ - sm->msg_id_base = vl_msg_api_get_msg_ids - ((char *) name, VL_MSG_FIRST_AVAILABLE); - - error = sample_plugin_api_hookup (vm); - - vec_free(name); - - return error; -} - -VLIB_INIT_FUNCTION (sample_init); - - |