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-rw-r--r--src/vnet/dev/config.c182
1 files changed, 182 insertions, 0 deletions
diff --git a/src/vnet/dev/config.c b/src/vnet/dev/config.c
new file mode 100644
index 00000000000..c98524c9b7e
--- /dev/null
+++ b/src/vnet/dev/config.c
@@ -0,0 +1,182 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright (c) 2023 Cisco Systems, Inc.
+ */
+
+#include "vppinfra/error.h"
+#include "vppinfra/pool.h"
+#include <vnet/vnet.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/dev/dev.h>
+#include <vnet/dev/api.h>
+#include <vnet/dev/log.h>
+
+VLIB_REGISTER_LOG_CLASS (dev_log, static) = {
+ .class_name = "dev",
+ .subclass_name = "config",
+};
+
+static clib_error_t *
+vnet_dev_config_one_interface (vlib_main_t *vm, unformat_input_t *input,
+ vnet_dev_api_create_port_if_args_t *args)
+{
+ clib_error_t *err = 0;
+
+ log_debug (0, "port %u %U", args->port_id, format_unformat_input, input);
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ u32 n;
+
+ if (unformat (input, "name %U", unformat_c_string_array, args->intf_name,
+ sizeof (args->intf_name)))
+ ;
+ else if (unformat (input, "num-rx-queues %u", &n))
+ args->num_rx_queues = n;
+ else if (unformat (input, "num-tx-queues %u", &n))
+ args->num_tx_queues = n;
+ else if (unformat (input, "rx-queue-size %u", &n))
+ args->rx_queue_size = n;
+ else if (unformat (input, "tx-queue-size %u", &n))
+ args->tx_queue_size = n;
+ else if (unformat (input, "flags %U", unformat_vnet_dev_port_flags,
+ &args->flags))
+ ;
+ else
+ {
+ err = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ break;
+ }
+ }
+ return err;
+}
+
+static clib_error_t *
+vnet_dev_config_one_device (vlib_main_t *vm, unformat_input_t *input,
+ char *device_id)
+{
+ log_debug (0, "device %s %U", device_id, format_unformat_input, input);
+ clib_error_t *err = 0;
+ vnet_dev_api_attach_args_t args = {};
+ vnet_dev_api_create_port_if_args_t *if_args_vec = 0, *if_args;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ unformat_input_t sub_input;
+ u32 n;
+
+ if (unformat (input, "driver %U", unformat_c_string_array,
+ args.driver_name, sizeof (args.driver_name)))
+ ;
+ else if (unformat (input, "flags %U", unformat_vnet_dev_flags,
+ &args.flags))
+ ;
+ else if (unformat (input, "port %u %U", &n, unformat_vlib_cli_sub_input,
+ &sub_input))
+ {
+ vnet_dev_api_create_port_if_args_t *if_args;
+ vec_add2 (if_args_vec, if_args, 1);
+ if_args->port_id = n;
+ err = vnet_dev_config_one_interface (vm, &sub_input, if_args);
+ unformat_free (&sub_input);
+ if (err)
+ break;
+ }
+ else
+ {
+ err = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ break;
+ }
+ }
+
+ if (err == 0)
+ {
+ vnet_dev_rv_t rv;
+
+ clib_memcpy (args.device_id, device_id, sizeof (args.device_id));
+ rv = vnet_dev_api_attach (vm, &args);
+
+ if (rv == VNET_DEV_OK)
+ {
+ vec_foreach (if_args, if_args_vec)
+ {
+ clib_memcpy (if_args->device_id, device_id,
+ sizeof (if_args->device_id));
+ rv = vnet_dev_api_create_port_if (vm, if_args);
+ if (rv != VNET_DEV_OK)
+ break;
+ }
+
+ if (rv != VNET_DEV_OK)
+ err = clib_error_return (0, "error: %U for device '%s'",
+ format_vnet_dev_rv, rv, device_id);
+ }
+ }
+
+ vec_free (if_args_vec);
+ return err;
+}
+
+uword
+dev_config_process_node_fn (vlib_main_t *vm, vlib_node_runtime_t *rt,
+ vlib_frame_t *f)
+{
+ vnet_dev_main_t *dm = &vnet_dev_main;
+ unformat_input_t input;
+ clib_error_t *err = 0;
+
+ if (dm->startup_config == 0)
+ return 0;
+
+ unformat_init_vector (&input, dm->startup_config);
+ dm->startup_config = 0;
+
+ while (unformat_check_input (&input) != UNFORMAT_END_OF_INPUT)
+ {
+ unformat_input_t sub_input;
+ vnet_dev_device_id_t device_id;
+ if (unformat (&input, "dev %U %U", unformat_c_string_array, device_id,
+ sizeof (device_id), unformat_vlib_cli_sub_input,
+ &sub_input))
+ {
+ err = vnet_dev_config_one_device (vm, &sub_input, device_id);
+ unformat_free (&sub_input);
+ if (err)
+ break;
+ }
+ else
+ {
+ err = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ break;
+ }
+ }
+
+ unformat_free (&input);
+
+ vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED);
+ vlib_node_rename (vm, rt->node_index, "deleted-%u", rt->node_index);
+ vec_add1 (dm->free_process_node_indices, rt->node_index);
+ return 0;
+}
+
+VLIB_REGISTER_NODE (dev_config_process_node) = {
+ .function = dev_config_process_node_fn,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "dev-config",
+};
+
+static clib_error_t *
+devices_config (vlib_main_t *vm, unformat_input_t *input)
+{
+ vnet_dev_main_t *dm = &vnet_dev_main;
+ uword c;
+
+ while ((c = unformat_get_input (input)) != UNFORMAT_END_OF_INPUT)
+ vec_add1 (dm->startup_config, c);
+
+ return 0;
+}
+
+VLIB_CONFIG_FUNCTION (devices_config, "devices");