arikachen
57bdb26ba4
In some situation, we support to deploy vpp as per host and handler packet in container, so we use xdp to redirect the flow. Type: improvement Signed-off-by: arikachen <eaglesora@gmail.com> Change-Id: Iab42d6a0abb2b330a284d519018a90aff2fa4371
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*
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*------------------------------------------------------------------
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* Copyright (c) 2020 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*------------------------------------------------------------------
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*/
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#include <vlib/vlib.h>
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#include <af_xdp/af_xdp.h>
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uword
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unformat_af_xdp_create_if_args (unformat_input_t * input, va_list * vargs)
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{
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af_xdp_create_if_args_t *args = va_arg (*vargs, af_xdp_create_if_args_t *);
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unformat_input_t _line_input, *line_input = &_line_input;
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uword ret = 1;
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if (!unformat_user (input, unformat_line_input, line_input))
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return 0;
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clib_memset (args, 0, sizeof (*args));
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while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
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{
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if (unformat (line_input, "host-if %s", &args->linux_ifname))
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;
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else if (unformat (line_input, "name %s", &args->name))
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;
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else if (unformat (line_input, "rx-queue-size %u", &args->rxq_size))
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;
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else if (unformat (line_input, "tx-queue-size %u", &args->txq_size))
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;
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else if (unformat (line_input, "num-rx-queues all"))
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args->rxq_num = AF_XDP_NUM_RX_QUEUES_ALL;
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else if (unformat (line_input, "num-rx-queues %u", &args->rxq_num))
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;
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else if (unformat (line_input, "prog %s", &args->prog))
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;
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else if (unformat (line_input, "netns %s", &args->netns))
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;
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else if (unformat (line_input, "no-zero-copy"))
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args->mode = AF_XDP_MODE_COPY;
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else if (unformat (line_input, "zero-copy"))
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args->mode = AF_XDP_MODE_ZERO_COPY;
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else if (unformat (line_input, "no-syscall-lock"))
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args->flags |= AF_XDP_CREATE_FLAGS_NO_SYSCALL_LOCK;
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else
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{
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/* return failure on unknown input */
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ret = 0;
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break;
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}
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}
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unformat_free (line_input);
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return ret;
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}
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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