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passt, pasta: Introduce command-line options and port re-mapping

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Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2021-08-12 15:42:43 +02:00
parent 1b1b27c06a
commit 1e49d194d0
17 changed files with 1657 additions and 704 deletions

14
util.h
View file

@ -1,12 +1,7 @@
void err(const char *format, ...);
void warn(const char *format, ...);
void info(const char *format, ...);
#ifdef DEBUG
void debug(const char *format, ...);
#else
#define debug(...) { }
#endif
#define CHECK_SET_MIN_MAX(basename, fd) \
do { \
@ -53,6 +48,14 @@ void debug(const char *format, ...);
#define PORT_IS_EPHEMERAL(port) ((port) >= PORT_EPHEMERAL_MIN)
#define NS_FN_STACK_SIZE (RLIMIT_STACK_VAL * 1024 / 4)
#define NS_CALL(fn, arg) \
do { \
char ns_fn_stack[NS_FN_STACK_SIZE]; \
\
clone((fn), ns_fn_stack + sizeof(ns_fn_stack) / 2, \
CLONE_VM | CLONE_VFORK | CLONE_FILES | SIGCHLD, \
(void *)(arg)); \
} while (0)
#if __BYTE_ORDER == __BIG_ENDIAN
#define L2_BUF_ETH_IP4_INIT \
@ -120,6 +123,7 @@ void debug(const char *format, ...);
enum bind_type {
BIND_ANY = 0,
BIND_LOOPBACK,
BIND_LL,
BIND_EXT,
};