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authorBenoît Ganne <bganne@cisco.com>2020-06-12 08:47:34 +0200
committerDamjan Marion <dmarion@me.com>2020-08-31 17:16:56 +0000
commit4a76d6f6da035220917097bc047b08bc58254803 (patch)
tree10399485df66c0ebeeaa32edbb7a1022b8baa9b3 /src/plugins/af_xdp/unformat.c
parentbfed7c047d2807f835cd7b9ef0330d314ac0ebc5 (diff)
af_xdp: AF_XDP input plugin
Type: feature Change-Id: I85aa4ad6b68c1aa0e51938002dc691a4b11c545c Signed-off-by: Damjan Marion <damarion@cisco.com> Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/plugins/af_xdp/unformat.c')
-rw-r--r--src/plugins/af_xdp/unformat.c69
1 files changed, 69 insertions, 0 deletions
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 <vlib/vlib.h>
+#include <af_xdp/af_xdp.h>
+
+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:
+ */