diff options
Diffstat (limited to 'config.h')
| -rw-r--r-- | config.h | 25 |
1 files changed, 17 insertions, 8 deletions
@@ -21,22 +21,31 @@ #include <linux/if.h> #include <netinet/in.h> -#define DEFAULT_IPV4_LOCAL_SUBNET "192.0.0.4" -#define DEFAULT_IPV4_LOCAL_PREFIXLEN "29" +#include "ring.h" + +struct tun_data { + char device4[IFNAMSIZ]; + int read_fd6, write_fd6, fd4; + struct packet_ring ring; +}; struct clat_config { struct in6_addr ipv6_local_subnet; - struct in6_addr ipv6_host_id; struct in_addr ipv4_local_subnet; - int16_t ipv4_local_prefixlen; struct in6_addr plat_subnet; - char *default_pdp_interface; - int use_dynamic_iid; + const char *native_ipv6_interface; }; extern struct clat_config Global_Clatd_Config; -int read_config(const char *file, const char *uplink_interface); -int ipv6_prefix_equal(struct in6_addr *a1, struct in6_addr *a2); +/* function: ipv6_prefix_equal + * compares the /64 prefixes of two ipv6 addresses. + * a1 - first address + * a2 - second address + * returns: 0 if the subnets are different, 1 if they are the same. + */ +static inline int ipv6_prefix_equal(struct in6_addr *a1, struct in6_addr *a2) { + return !memcmp(a1, a2, 8); +} #endif /* __CONFIG_H__ */ |