src/vnet/dev/args.h

   1 /* SPDX-License-Identifier: Apache-2.0
   2  * Copyright (c) 2023 Cisco Systems, Inc.
   3  */
   4
   5 #ifndef _VNET_DEV_ARGS_H_
   6 #define _VNET_DEV_ARGS_H_
   7
   8 #include <vppinfra/clib.h>
   9 #include <vnet/dev/errors.h>
  10
  11 #define foreach_vnet_dev_arg_type                                             \
  12   _ (BOOL, "%u", boolean)                                                     \
  13   _ (UINT32, "%u", uint32)                                                    \
  14   _ (STRING, "\'%v\'", string)
  15
  16 typedef enum
  17 {
  18   VNET_DEV_ARG_END,
  19 #define _(n, f, v) VNET_DEV_ARG_TYPE_##n,
  20   foreach_vnet_dev_arg_type
  21 #undef _
  22 } __clib_packed vnet_dev_arg_type_t;
  23
  24 typedef union
  25 {
  26   u8 boolean;
  27   u32 uint32;
  28   u8 *string;
  29 } vnet_dev_arg_value_t;
  30
  31 typedef struct
  32 {
  33   char *name;
  34   char *desc;
  35   vnet_dev_arg_type_t type;
  36   u8 val_set;
  37   u32 min;
  38   u32 max;
  39   u64 id;
  40   vnet_dev_arg_value_t val;
  41   vnet_dev_arg_value_t default_val;
  42 } vnet_dev_arg_t;
  43
  44 #define VNET_DEV_ARG_BOOL(ud, n, d, ...)                                      \
  45   {                                                                           \
  46     .type = VNET_DEV_ARG_TYPE_BOOL, .id = ud, .name = n, .desc = d,           \
  47     __VA_ARGS__                                                               \
  48   }
  49 #define VNET_DEV_ARG_UINT32(ud, n, d, ...)                                    \
  50   {                                                                           \
  51     .type = VNET_DEV_ARG_TYPE_UINT32, .id = ud, .name = n, .desc = d,         \
  52     __VA_ARGS__                                                               \
  53   }
  54 #define VNET_DEV_ARG_STRING(ud, n, d, ...)                                    \
  55   {                                                                           \
  56     .type = VNET_DEV_ARG_TYPE_STRING, .id = ud, .name = n, .desc = d,         \
  57     __VA_ARGS__                                                               \
  58   }
  59 #define VNET_DEV_ARG_END()                                                    \
  60   {                                                                           \
  61     .type = VNET_DEV_ARG_END                                                  \
  62   }
  63
  64 #define VNET_DEV_ARGS(...)                                                    \
  65   (vnet_dev_arg_t[]) { __VA_ARGS__, VNET_DEV_ARG_END () }
  66
  67 #define foreach_vnet_dev_args(a, d)                                           \
  68   for (typeof ((d)->args[0]) *(a) = (d)->args; (a) < vec_end ((d)->args);     \
  69        (a)++)
  70 #define foreach_vnet_dev_port_args(a, p)                                      \
  71   for (typeof ((p)->args[0]) *(a) = (p)->args; (a) < vec_end ((p)->args);     \
  72        (a)++)
  73
  74 #endif /* _VNET_DEV_ARGS_H_ */