diff options
Diffstat (limited to 'src/dpdk22/drivers/net/mlx5/mlx5_utils.h')
| -rw-r--r-- | src/dpdk22/drivers/net/mlx5/mlx5_utils.h | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/src/dpdk22/drivers/net/mlx5/mlx5_utils.h b/src/dpdk22/drivers/net/mlx5/mlx5_utils.h deleted file mode 100644 index 9b5e86a8..00000000 --- a/src/dpdk22/drivers/net/mlx5/mlx5_utils.h +++ /dev/null @@ -1,184 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright 2015 6WIND S.A. - * Copyright 2015 Mellanox. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of 6WIND S.A. nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef RTE_PMD_MLX5_UTILS_H_ -#define RTE_PMD_MLX5_UTILS_H_ - -#include <stddef.h> -#include <stdio.h> -#include <limits.h> -#include <assert.h> -#include <errno.h> - -#include "mlx5_defs.h" - -/* Bit-field manipulation. */ -#define BITFIELD_DECLARE(bf, type, size) \ - type bf[(((size_t)(size) / (sizeof(type) * CHAR_BIT)) + \ - !!((size_t)(size) % (sizeof(type) * CHAR_BIT)))] -#define BITFIELD_DEFINE(bf, type, size) \ - BITFIELD_DECLARE((bf), type, (size)) = { 0 } -#define BITFIELD_SET(bf, b) \ - (assert((size_t)(b) < (sizeof(bf) * CHAR_BIT)), \ - (void)((bf)[((b) / (sizeof((bf)[0]) * CHAR_BIT))] |= \ - ((size_t)1 << ((b) % (sizeof((bf)[0]) * CHAR_BIT))))) -#define BITFIELD_RESET(bf, b) \ - (assert((size_t)(b) < (sizeof(bf) * CHAR_BIT)), \ - (void)((bf)[((b) / (sizeof((bf)[0]) * CHAR_BIT))] &= \ - ~((size_t)1 << ((b) % (sizeof((bf)[0]) * CHAR_BIT))))) -#define BITFIELD_ISSET(bf, b) \ - (assert((size_t)(b) < (sizeof(bf) * CHAR_BIT)), \ - !!(((bf)[((b) / (sizeof((bf)[0]) * CHAR_BIT))] & \ - ((size_t)1 << ((b) % (sizeof((bf)[0]) * CHAR_BIT)))))) - -/* Save and restore errno around argument evaluation. */ -#define ERRNO_SAFE(x) ((errno = (int []){ errno, ((x), 0) }[0])) - -/* - * Helper macros to work around __VA_ARGS__ limitations in a C99 compliant - * manner. - */ -#define PMD_DRV_LOG_STRIP(a, b) a -#define PMD_DRV_LOG_OPAREN ( -#define PMD_DRV_LOG_CPAREN ) -#define PMD_DRV_LOG_COMMA , - -/* Return the file name part of a path. */ -static inline const char * -pmd_drv_log_basename(const char *s) -{ - const char *n = s; - - while (*n) - if (*(n++) == '/') - s = n; - return s; -} - -/* - * When debugging is enabled (NDEBUG not defined), file, line and function - * information replace the driver name (MLX5_DRIVER_NAME) in log messages. - */ -#ifndef NDEBUG - -#define PMD_DRV_LOG___(level, ...) \ - ERRNO_SAFE(RTE_LOG(level, PMD, __VA_ARGS__)) -#define PMD_DRV_LOG__(level, ...) \ - PMD_DRV_LOG___(level, "%s:%u: %s(): " __VA_ARGS__) -#define PMD_DRV_LOG_(level, s, ...) \ - PMD_DRV_LOG__(level, \ - s "\n" PMD_DRV_LOG_COMMA \ - pmd_drv_log_basename(__FILE__) PMD_DRV_LOG_COMMA \ - __LINE__ PMD_DRV_LOG_COMMA \ - __func__, \ - __VA_ARGS__) - -#else /* NDEBUG */ - -#define PMD_DRV_LOG___(level, ...) \ - ERRNO_SAFE(RTE_LOG(level, PMD, MLX5_DRIVER_NAME ": " __VA_ARGS__)) -#define PMD_DRV_LOG__(level, ...) \ - PMD_DRV_LOG___(level, __VA_ARGS__) -#define PMD_DRV_LOG_(level, s, ...) \ - PMD_DRV_LOG__(level, s "\n", __VA_ARGS__) - -#endif /* NDEBUG */ - -/* Generic printf()-like logging macro with automatic line feed. */ -#define PMD_DRV_LOG(level, ...) \ - PMD_DRV_LOG_(level, \ - __VA_ARGS__ PMD_DRV_LOG_STRIP PMD_DRV_LOG_OPAREN, \ - PMD_DRV_LOG_CPAREN) - -/* - * Like assert(), DEBUG() becomes a no-op and claim_zero() does not perform - * any check when debugging is disabled. - */ -#ifndef NDEBUG - -#define DEBUG(...) PMD_DRV_LOG(DEBUG, __VA_ARGS__) -#define claim_zero(...) assert((__VA_ARGS__) == 0) - -#else /* NDEBUG */ - -#define DEBUG(...) (void)0 -#define claim_zero(...) (__VA_ARGS__) - -#endif /* NDEBUG */ - -#define INFO(...) PMD_DRV_LOG(INFO, __VA_ARGS__) -#define WARN(...) PMD_DRV_LOG(WARNING, __VA_ARGS__) -#define ERROR(...) PMD_DRV_LOG(ERR, __VA_ARGS__) - -/* Convenience macros for accessing mbuf fields. */ -#define NEXT(m) ((m)->next) -#define DATA_LEN(m) ((m)->data_len) -#define PKT_LEN(m) ((m)->pkt_len) -#define DATA_OFF(m) ((m)->data_off) -#define SET_DATA_OFF(m, o) ((m)->data_off = (o)) -#define NB_SEGS(m) ((m)->nb_segs) -#define PORT(m) ((m)->port) - -/* Transpose flags. Useful to convert IBV to DPDK flags. */ -#define TRANSPOSE(val, from, to) \ - (((from) >= (to)) ? \ - (((val) & (from)) / ((from) / (to))) : \ - (((val) & (from)) * ((to) / (from)))) - -/* Allocate a buffer on the stack and fill it with a printf format string. */ -#define MKSTR(name, ...) \ - char name[snprintf(NULL, 0, __VA_ARGS__) + 1]; \ - \ - snprintf(name, sizeof(name), __VA_ARGS__) - -/** - * Return nearest power of two above input value. - * - * @param v - * Input value. - * - * @return - * Nearest power of two above input value. - */ -static inline unsigned int -log2above(unsigned int v) -{ - unsigned int l; - unsigned int r; - - for (l = 0, r = 0; (v >> 1); ++l, v >>= 1) - r |= (v & 1); - return (l + r); -} - -#endif /* RTE_PMD_MLX5_UTILS_H_ */ |