common.h File Reference

#include <assert.h>
#include <inttypes.h>
#include <limits.h>
#include <memory.h>
#include <stdatomic.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rte_config.h>
#include <rte_bitops.h>
#include <rte_branch_prediction.h>
#include <rte_common.h>
#include <float.h>
#include <math.h>
#include <urcu/list.h>
#include <rte_byteorder.h>
#include <rte_cycles.h>
#include <rte_debug.h>
#include <rte_errno.h>
#include <rte_lcore_var.h>
#include <rte_malloc.h>
#include <rte_memcpy.h>
#include <spdk/util.h>

Go to the source code of this file.

Macros
#define	ALLOW_EXPERIMENTAL_API
#define	NDNDPDK_ASSERT(x)   RTE_VERIFY((x))
#define	LCORE_VAR_SAFE(handle)
	RTE_LCORE_VAR but returns valid pointer when called from non-lcore thread. More...
#define	STATIC_ASSERT_FUNC_TYPE(typ, func)    static_assert(__builtin_types_compatible_p(typ, typeof(&func)), "")
#define	NULLize(x)
	Set x to NULL to expose memory access bugs. More...
#define	POISON_2_(x, size)
#define	POISON_1_(x)   POISON_2_((x), sizeof(*(x)))
#define	POISON_Arg3_(a1, a2, a3, ...)   a3
#define	POISON_Choose_(...)   POISON_Arg3_(__VA_ARGS__, POISON_2_, POISON_1_)
#define	POISON(...)   POISON_Choose_(__VA_ARGS__)(__VA_ARGS__)
	Write junk to memory region to expose memory access bugs. More...
#define	CLAMP(x, lo, hi)   RTE_MAX((lo), RTE_MIN((hi), (x)))

Macro Definition Documentation

ALLOW_EXPERIMENTAL_API

#define ALLOW_EXPERIMENTAL_API

CLAMP

#define CLAMP	(		x,
			lo,
			hi
	)		RTE_MAX((lo), RTE_MIN((hi), (x)))

LCORE_VAR_SAFE

#define LCORE_VAR_SAFE

(

handle

)

Value:

  __extension__({                                                                                  \
    unsigned lc = rte_lcore_id();                                                                  \
    RTE_LCORE_VAR_LCORE(lc == LCORE_ID_ANY ? RTE_MAX_LCORE - 1 : lc, handle);                      \
  })

RTE_LCORE_VAR but returns valid pointer when called from non-lcore thread.

NDNDPDK_ASSERT

#define NDNDPDK_ASSERT

(

x

)

RTE_VERIFY((x))

NULLize

#define NULLize

(

x

)

Value:

  do {                                                                                             \
    (x) = NULL;                                                                                    \
  } while (false)

Set x to NULL to expose memory access bugs.

POISON

#define POISON

(

...

)

POISON_Choose_(__VA_ARGS__)(__VA_ARGS__)

Write junk to memory region to expose memory access bugs.

POISON(&var);
POISON(&var, sizeof(var));

POISON_1_

#define POISON_1_

(

x

)

POISON_2_((x), sizeof(*(x)))

POISON_2_

#define POISON_2_	(		x,
			size
	)

Value:

  do {                                                                                             \
    RTE_SET_USED(x);                                                                               \
    RTE_SET_USED(size);                                                                            \
  } while (false)

POISON_Arg3_

#define POISON_Arg3_	(		a1,
			a2,
			a3,
			...
	)		a3

POISON_Choose_

#define POISON_Choose_

(

...

)

POISON_Arg3_(__VA_ARGS__, POISON_2_, POISON_1_)

STATIC_ASSERT_FUNC_TYPE

#define STATIC_ASSERT_FUNC_TYPE	(		typ,
			func
	)		static_assert(__builtin_types_compatible_p(typ, typeof(&func)), "")