From 4a76d6f6da035220917097bc047b08bc58254803 Mon Sep 17 00:00:00 2001 From: Benoît Ganne Date: Fri, 12 Jun 2020 08:47:34 +0200 Subject: af_xdp: AF_XDP input plugin MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Type: feature Change-Id: I85aa4ad6b68c1aa0e51938002dc691a4b11c545c Signed-off-by: Damjan Marion Signed-off-by: Benoît Ganne --- src/plugins/af_xdp/unformat.c | 69 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 src/plugins/af_xdp/unformat.c (limited to 'src/plugins/af_xdp/unformat.c') diff --git a/src/plugins/af_xdp/unformat.c b/src/plugins/af_xdp/unformat.c new file mode 100644 index 00000000000..154d459900e --- /dev/null +++ b/src/plugins/af_xdp/unformat.c @@ -0,0 +1,69 @@ +/* + *------------------------------------------------------------------ + * 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 +#include + +uword +unformat_af_xdp_create_if_args (unformat_input_t * input, va_list * vargs) +{ + af_xdp_create_if_args_t *args = va_arg (*vargs, af_xdp_create_if_args_t *); + unformat_input_t _line_input, *line_input = &_line_input; + uword ret = 1; + + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + clib_memset (args, 0, sizeof (*args)); + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "host-if %s", &args->linux_ifname)) + ; + else if (unformat (line_input, "name %s", &args->name)) + ; + else if (unformat (line_input, "rx-queue-size %u", &args->rxq_size)) + ; + else if (unformat (line_input, "tx-queue-size %u", &args->txq_size)) + ; + else if (unformat (line_input, "num-rx-queues %u", &args->rxq_num)) + ; + else if (unformat (line_input, "prog %s", &args->prog)) + ; + else if (unformat (line_input, "no-zero-copy")) + args->mode = AF_XDP_MODE_COPY; + else if (unformat (line_input, "zero-copy")) + args->mode = AF_XDP_MODE_ZERO_COPY; + else + { + /* return failure on unknown input */ + ret = 0; + break; + } + } + + unformat_free (line_input); + return ret; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg