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utils: Move BIT macro to common header

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BIT() macro was implemented and used by devlink for now, but following
patches of rdmatool will reuse the same macro, so put it in common
header file.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
This commit is contained in:
Leon Romanovsky 2017-08-20 12:58:21 +03:00 committed by Stephen Hemminger
parent be55416add
commit afdc119410
2 changed files with 3 additions and 1 deletions
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2
devlink/devlink.c
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@ -25,6 +25,7 @@
#include "list.h"
#include "mnlg.h"
#include "json_writer.h"
#include "utils.h"
#define ESWITCH_MODE_LEGACY "legacy"
#define ESWITCH_MODE_SWITCHDEV "switchdev"
@ -160,7 +161,6 @@ static void ifname_map_free(struct ifname_map *ifname_map)
free(ifname_map);
}
#define BIT(nr) (1UL << (nr))
#define DL_OPT_HANDLE BIT(0)
#define DL_OPT_HANDLEP BIT(1)
#define DL_OPT_PORT_TYPE BIT(2)

2
include/utils.h
View File

@ -195,6 +195,8 @@ static inline void __jiffies_to_tv(struct timeval *tv, unsigned long jiffies)
int print_timestamp(FILE *fp);
void print_nlmsg_timestamp(FILE *fp, const struct nlmsghdr *n);
#define BIT(nr) (1UL << (nr))
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)]))