diff options
Diffstat (limited to 'src/plugins/nat/nat.h')
| -rw-r--r-- | src/plugins/nat/nat.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h index 13467203917..02d4aaef9f6 100644 --- a/src/plugins/nat/nat.h +++ b/src/plugins/nat/nat.h @@ -174,6 +174,7 @@ typedef enum #define SNAT_SESSION_FLAG_ENDPOINT_DEPENDENT 16 #define SNAT_SESSION_FLAG_FWD_BYPASS 32 #define SNAT_SESSION_FLAG_AFFINITY 64 +#define SNAT_SESSION_FLAG_OUTPUT_FEATURE 128 /* NAT interface flags */ #define NAT_INTERFACE_FLAG_IS_INSIDE 1 @@ -673,6 +674,12 @@ unformat_function_t unformat_snat_protocol; */ #define is_lb_static_mapping(sm) (sm->flags & NAT_STATIC_MAPPING_FLAG_LB) +/** \brief Check if client initiating TCP connection (received SYN from client) + @param t TCP header + @return 1 if client initiating TCP connection +*/ +#define tcp_is_init(t) ((t->flags & TCP_FLAG_SYN) && !(t->flags & TCP_FLAG_ACK)) + /* logging */ #define nat_log_err(...) \ vlib_log(VLIB_LOG_LEVEL_ERR, snat_main.log_class, __VA_ARGS__) |