From 6c9b9644450b5ee5672b1e0f66257b0e09fb0734 Mon Sep 17 00:00:00 2001 From: Jakub Grajciar Date: Tue, 26 Jun 2018 12:58:22 +0200 Subject: avf: binary API and configurable RX/TX queue size Change-Id: Ibd3a8d28d8f1df2bc14c42e48498f6ac26081192 Signed-off-by: Jakub Grajciar --- src/plugins/avf/avf_api.c | 161 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 161 insertions(+) create mode 100644 src/plugins/avf/avf_api.c (limited to 'src/plugins/avf/avf_api.c') diff --git a/src/plugins/avf/avf_api.c b/src/plugins/avf/avf_api.c new file mode 100644 index 00000000000..7c5925244ca --- /dev/null +++ b/src/plugins/avf/avf_api.c @@ -0,0 +1,161 @@ +/* + *------------------------------------------------------------------ + * Copyright (c) 2018 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 +#include +#include +#include + +#include + +#include +#include + +/* define message IDs */ +#include + +/* define message structures */ +#define vl_typedefs +#include +#undef vl_typedefs + +/* define generated endian-swappers */ +#define vl_endianfun +#include +#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 +#undef vl_printfun + +/* get the API version number */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include +#undef vl_api_version + +#include + +#define foreach_avf_plugin_api_msg \ +_(AVF_CREATE, avf_create) \ +_(AVF_DELETE, avf_delete) + +static void +vl_api_avf_create_t_handler (vl_api_avf_create_t * mp) +{ + vlib_main_t *vm = vlib_get_main (); + avf_main_t *am = &avf_main; + vl_api_avf_create_reply_t *rmp; + avf_create_if_args_t args; + int rv = 0; + + memset (&args, 0, sizeof (avf_create_if_args_t)); + + args.enable_elog = ntohl (mp->enable_elog); + args.addr.as_u32 = ntohl (mp->pci_addr); + args.rxq_size = ntohl (mp->rxq_size); + args.txq_size = ntohl (mp->txq_size); + + avf_create_if (vm, &args); + + rv = args.rv; + + REPLY_MACRO (VL_API_AVF_CREATE_REPLY + am->msg_id_base); +} + +static void +vl_api_avf_delete_t_handler (vl_api_avf_delete_t * mp) +{ + vlib_main_t *vm = vlib_get_main (); + vnet_main_t *vnm = vnet_get_main (); + avf_main_t *am = &avf_main; + vl_api_avf_delete_reply_t *rmp; + avf_device_t *ad; + vnet_hw_interface_t *hw; + int rv = 0; + + hw = vnet_get_sup_hw_interface (vnm, htonl (mp->sw_if_index)); + if (hw == NULL || avf_device_class.index != hw->dev_class_index) + { + rv = VNET_API_ERROR_INVALID_INTERFACE; + goto reply; + } + + ad = pool_elt_at_index (am->devices, hw->dev_instance); + + avf_delete_if (vm, ad); + +reply: + REPLY_MACRO (VL_API_AVF_DELETE_REPLY + am->msg_id_base); +} + +#define vl_msg_name_crc_list +#include +#undef vl_msg_name_crc_list + +static void +setup_message_id_table (avf_main_t * avm, api_main_t * am) +{ +#define _(id,n,crc) \ + vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + avm->msg_id_base); + foreach_vl_msg_name_crc_avf; +#undef _ +} + +/* set tup the API message handling tables */ +static clib_error_t * +avf_plugin_api_hookup (vlib_main_t * vm) +{ + avf_main_t *avm = &avf_main; + api_main_t *am = &api_main; + u8 *name; + + /* construct the API name */ + name = format (0, "avf_%08x%c", api_version, 0); + + /* ask for a correctly-sized block of API message decode slots */ + avm->msg_id_base = vl_msg_api_get_msg_ids + ((char *) name, VL_MSG_FIRST_AVAILABLE); + +#define _(N,n) \ + vl_msg_api_set_handlers((VL_API_##N + avm->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_avf_plugin_api_msg; +#undef _ + + /* set up the (msg_name, crc, message-id) table */ + setup_message_id_table (avm, am); + + vec_free (name); + return 0; +} + +VLIB_API_INIT_FUNCTION (avf_plugin_api_hookup); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg