/* *------------------------------------------------------------------ * Copyright (c) 2020 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 <vlib/vlib.h> #include <vnet/vnet.h> #include <af_xdp/af_xdp.h> #include <vlibapi/api.h> #include <vlibmemory/api.h> /* define message IDs */ #include <af_xdp/af_xdp.api_enum.h> #include <af_xdp/af_xdp.api_types.h> #include <vlibapi/api_helper_macros.h> static af_xdp_mode_t af_xdp_api_mode (vl_api_af_xdp_mode_t mode) { switch (mode) { case AF_XDP_API_MODE_AUTO: return AF_XDP_MODE_AUTO; case AF_XDP_API_MODE_COPY: return AF_XDP_MODE_COPY; case AF_XDP_API_MODE_ZERO_COPY: return AF_XDP_MODE_ZERO_COPY; } return AF_XDP_MODE_AUTO; } static void vl_api_af_xdp_create_t_handler (vl_api_af_xdp_create_t * mp) { vlib_main_t *vm = vlib_get_main (); af_xdp_main_t *rm = &af_xdp_main; vl_api_af_xdp_create_reply_t *rmp; af_xdp_create_if_args_t args; int rv; clib_memset (&args, 0, sizeof (af_xdp_create_if_args_t)); args.linux_ifname = mp->host_if[0] ? (char *) mp->host_if : 0; args.name = mp->name[0] ? (char *) mp->name : 0; args.prog = mp->prog[0] ? (char *) mp->prog : 0; args.mode = af_xdp_api_mode (mp->mode); args.rxq_size = ntohs (mp->rxq_size); args.txq_size = ntohs (mp->txq_size); args.rxq_num = ntohs (mp->rxq_num); af_xdp_create_if (vm, &args); rv = args.rv; /* *INDENT-OFF* */ REPLY_MACRO2 (VL_API_AF_XDP_CREATE_REPLY + rm->msg_id_base, ({ rmp->sw_if_index = ntohl (args.sw_if_index); })); /* *INDENT-ON* */ } static void vl_api_af_xdp_delete_t_handler (vl_api_af_xdp_delete_t * mp) { vlib_main_t *vm = vlib_get_main (); vnet_main_t *vnm = vnet_get_main (); af_xdp_main_t *rm = &af_xdp_main; vl_api_af_xdp_delete_reply_t *rmp; af_xdp_device_t *rd; vnet_hw_interface_t *hw; int rv = 0; hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, htonl (mp->sw_if_index)); if (hw == NULL || af_xdp_device_class.index != hw->dev_class_index) { rv = VNET_API_ERROR_INVALID_INTERFACE; goto reply; } rd = pool_elt_at_index (rm->devices, hw->dev_instance); af_xdp_delete_if (vm, rd); reply: REPLY_MACRO (VL_API_AF_XDP_DELETE_REPLY + rm->msg_id_base); } /* set tup the API message handling tables */ #include <af_xdp/af_xdp.api.c> static clib_error_t * af_xdp_plugin_api_hookup (vlib_main_t * vm) { af_xdp_main_t *rm = &af_xdp_main; /* ask for a correctly-sized block of API message decode slots */ rm->msg_id_base = setup_message_id_table (); return 0; } VLIB_API_INIT_FUNCTION (af_xdp_plugin_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */