From 757585db71b78c4edf91ba011be419264de43d1a Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Thu, 20 Apr 2017 11:42:28 +0200 Subject: Move emacs stuff to extras/ Change-Id: Ibbb7d8500e9064215cf912bd00bdf72a748f8a27 Signed-off-by: Damjan Marion --- extras/emacs/plugin-main-skel.el | 280 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 280 insertions(+) create mode 100644 extras/emacs/plugin-main-skel.el (limited to 'extras/emacs/plugin-main-skel.el') diff --git a/extras/emacs/plugin-main-skel.el b/extras/emacs/plugin-main-skel.el new file mode 100644 index 00000000..46615c31 --- /dev/null +++ b/extras/emacs/plugin-main-skel.el @@ -0,0 +1,280 @@ +;;; plugin-main-skel.el - vpp engine plug-in "main.c" skeleton +;;; +;;; 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. + +(require 'skeleton) + +(define-skeleton skel-plugin-main +"Insert a plug-in 'main.c' skeleton " +nil +'(if (not (boundp 'plugin-name)) + (setq plugin-name (read-string "Plugin name: "))) +'(setq PLUGIN-NAME (upcase plugin-name)) +'(setq capital-oh-en "ON") +"/* + * " plugin-name ".c - skeleton vpp engine plug-in + * + * Copyright (c) + * 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 +#include +#include <" plugin-name "/" plugin-name ".h> + +#include +#include +#include +#include + +/* define message IDs */ +#include <" plugin-name "/" plugin-name "_msg_enum.h> + +/* define message structures */ +#define vl_typedefs +#include <" plugin-name "/" plugin-name "_all_api_h.h> +#undef vl_typedefs + +/* define generated endian-swappers */ +#define vl_endianfun +#include <" plugin-name "/" plugin-name "_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 <" plugin-name "/" plugin-name "_all_api_h.h> +#undef vl_printfun + +/* Get the API version number */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <" plugin-name "/" plugin-name "_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_" plugin-name "_plugin_api_msg \\ +_(" PLUGIN-NAME "_ENABLE_DISABLE, " plugin-name "_enable_disable) + +/* Action function shared between message handler and debug CLI */ + +int " plugin-name "_enable_disable (" plugin-name "_main_t * sm, u32 sw_if_index, + int enable_disable) +{ + vnet_sw_interface_t * sw; + int rv = 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; + + vnet_feature_enable_disable (\"device-input\", \"" plugin-name "\", + sw_if_index, enable_disable, 0, 0); + + return rv; +} + +static clib_error_t * +" plugin-name "_enable_disable_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + " plugin-name "_main_t * sm = &" plugin-name "_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 = " plugin-name "_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, \"" plugin-name "_enable_disable returned %d\", + rv); + } + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (" plugin-name "_enable_disable_command, static) = +{ + .path = \"" plugin-name " enable-disable\", + .short_help = + \"" plugin-name " enable-disable [disable]\", + .function = " plugin-name "_enable_disable_command_fn, +}; +/* *INDENT-ON* */ + +/* API message handler */ +static void vl_api_" plugin-name "_enable_disable_t_handler +(vl_api_" plugin-name "_enable_disable_t * mp) +{ + vl_api_" plugin-name "_enable_disable_reply_t * rmp; + " plugin-name "_main_t * sm = &" plugin-name "_main; + int rv; + + rv = " plugin-name "_enable_disable (sm, ntohl(mp->sw_if_index), + (int) (mp->enable_disable)); + + REPLY_MACRO(VL_API_" PLUGIN-NAME "_ENABLE_DISABLE_REPLY); +} + +/* Set up the API message handling tables */ +static clib_error_t * +" plugin-name "_plugin_api_hookup (vlib_main_t *vm) +{ + " plugin-name "_main_t * sm = &" plugin-name "_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_" plugin-name "_plugin_api_msg; +#undef _ + + return 0; +} + +#define vl_msg_name_crc_list +#include <" plugin-name "/" plugin-name "_all_api_h.h> +#undef vl_msg_name_crc_list + +static void +setup_message_id_table (" plugin-name "_main_t * sm, api_main_t * am) +{ +#define _(id,n,crc) \ + vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base); + foreach_vl_msg_name_crc_" plugin-name" ; +#undef _ +} + +static clib_error_t * " plugin-name "_init (vlib_main_t * vm) +{ + " plugin-name "_main_t * sm = &" plugin-name "_main; + clib_error_t * error = 0; + u8 * name; + + name = format (0, \"" plugin-name "_%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 = " plugin-name "_plugin_api_hookup (vm); + + /* Add our API messages to the global name_crc hash table */ + setup_message_id_table (sm, &api_main); + + vec_free(name); + + return error; +} + +VLIB_INIT_FUNCTION (" plugin-name "_init); + +/* *INDENT-OFF* */ +VNET_FEATURE_INIT (" plugin-name ", static) = +{ + .arc_name = \"device-input\", + .node_name = \"" plugin-name "\", + .runs_before = VNET_FEATURES (\"ethernet-input\"), +}; +/* *INDENT-ON */ + +/* *INDENT-OFF* */ +VLIB_PLUGIN_REGISTER () = +{ + .version = VPP_BUILD_VER, +}; +/* *INDENT-ON* */ + +/* + * fd.io coding-style-patch-verification: " capital-oh-en " + * + * Local Variables: + * eval: (c-set-style \"gnu\") + * End: + */ +") + -- cgit 1.2.3-korg