#include <vnet/ethernet/ethernet.h>
#include <vnet/ip/icmp46_packet.h>
#include <vnet/api_errno.h>
+#include <vppinfra/elog.h>
#include <vppinfra/bihash_8_8.h>
#include <vppinfra/bihash_16_8.h>
#include <vppinfra/dlist.h>
u8 cached;
} nat44_reass_trace_t;
+/* NAT API Configuration flags */
+#define foreach_nat_config_flag \
+ _(0x01, IS_TWICE_NAT) \
+ _(0x02, IS_SELF_TWICE_NAT) \
+ _(0x04, IS_OUT2IN_ONLY) \
+ _(0x08, IS_ADDR_ONLY) \
+ _(0x10, IS_OUTSIDE) \
+ _(0x20, IS_INSIDE) \
+ _(0x40, IS_STATIC) \
+ _(0x80, IS_EXT_HOST_VALID) \
+
+typedef enum nat_config_flags_t_
+{
+#define _(n,f) NAT_API_##f = n,
+ foreach_nat_config_flag
+#undef _
+} nat_config_flags_t;
+
/* External address and port allocation modes */
#define foreach_nat_addr_and_port_alloc_alg \
_(0, DEFAULT, "default") \
/* Last heard timer */
f64 last_heard;
+ /* Last HA refresh */
+ f64 ha_last_refreshed;
+
/* Counters */
u64 total_bytes;
u32 total_pkts;
/* log class */
vlib_log_class_t log_class;
+ /* logging level */
+ u8 log_level;
/* convenience */
vlib_main_t *vlib_main;
#define nat_log_debug(...)\
vlib_log(VLIB_LOG_LEVEL_DEBUG, snat_main.log_class, __VA_ARGS__)
+/* NAT API Logging Levels */
+#define foreach_nat_log_level \
+ _(0x00, LOG_NONE) \
+ _(0x01, LOG_ERROR) \
+ _(0x02, LOG_WARNING) \
+ _(0x03, LOG_NOTICE) \
+ _(0x04, LOG_INFO) \
+ _(0x05, LOG_DEBUG)
+
+typedef enum nat_log_level_t_
+{
+#define _(n,f) SNAT_##f = n,
+ foreach_nat_log_level
+#undef _
+} nat_log_level_t;
+
+#define nat_elog(_level, _str) \
+do \
+ { \
+ snat_main_t *sm = &snat_main; \
+ if (PREDICT_FALSE (sm->log_level >= _level)) \
+ { \
+ ELOG_TYPE_DECLARE (e) = \
+ { \
+ .format = "nat-msg" _str, \
+ .format_args = "", \
+ }; \
+ ELOG_DATA (&sm->vlib_main->elog_main, e); \
+ } \
+ } while (0);
+
+#define nat_elog_addr(_level, _str, _addr) \
+do \
+ { \
+ if (PREDICT_FALSE (sm->log_level >= _level)) \
+ { \
+ ELOG_TYPE_DECLARE (e) = \
+ { \
+ .format = "nat-msg " _str " %d.%d.%d.%d", \
+ .format_args = "i1i1i1i1", \
+ }; \
+ CLIB_PACKED(struct \
+ { \
+ u8 oct1; \
+ u8 oct2; \
+ u8 oct3; \
+ u8 oct4; \
+ }) *ed; \
+ ed = ELOG_DATA (&vlib_global_main.elog_main, e); \
+ ed->oct4 = _addr >> 24; \
+ ed->oct3 = _addr >> 16; \
+ ed->oct2 = _addr >> 8; \
+ ed->oct1 = _addr; \
+ } \
+ } while (0);
+
+#define nat_elog_X1(_level, _fmt, _arg, _val1) \
+do \
+ { \
+ snat_main_t *sm = &snat_main; \
+ if (PREDICT_FALSE (sm->log_level >= _level)) \
+ { \
+ ELOG_TYPE_DECLARE (e) = \
+ { \
+ .format = "nat-msg " _fmt, \
+ .format_args = _arg, \
+ }; \
+ CLIB_PACKED(struct \
+ { \
+ typeof (_val1) val1; \
+ }) *ed; \
+ ed = ELOG_DATA (&sm->vlib_main->elog_main, e); \
+ ed->val1 = _val1; \
+ } \
+ } while (0);
+
+#define nat_elog_notice(nat_elog_str) \
+ nat_elog(SNAT_LOG_INFO, "[notice] " nat_elog_str)
+#define nat_elog_warn(nat_elog_str) \
+ nat_elog(SNAT_LOG_WARNING, "[warning] " nat_elog_str)
+#define nat_elog_err(nat_elog_str) \
+ nat_elog(SNAT_LOG_ERROR, "[error] " nat_elog_str)
+#define nat_elog_debug(nat_elog_str) \
+ nat_elog(SNAT_LOG_DEBUG, "[debug] " nat_elog_str)
+#define nat_elog_info(nat_elog_str) \
+ nat_elog(SNAT_LOG_INFO, "[info] " nat_elog_str)
+
+#define nat_elog_notice_X1(nat_elog_fmt_str, nat_elog_fmt_arg, nat_elog_val1) \
+ nat_elog_X1(SNAT_LOG_NOTICE, "[notice] " nat_elog_fmt_str, nat_elog_fmt_arg, nat_elog_val1)
+#define nat_elog_warn_X1(nat_elog_fmt_str, nat_elog_fmt_arg, nat_elog_val1) \
+ nat_elog_X1(SNAT_LOG_WARNING, "[warning] " nat_elog_fmt_str, nat_elog_fmt_arg, nat_elog_val1)
+#define nat_elog_err_X1(nat_elog_fmt_str, nat_elog_fmt_arg, nat_elog_val1) \
+ nat_elog_X1(SNAT_LOG_ERROR, "[error] " nat_elog_fmt_str, nat_elog_fmt_arg, nat_elog_val1)
+#define nat_elog_debug_X1(nat_elog_fmt_str, nat_elog_fmt_arg, nat_elog_val1) \
+ nat_elog_X1(SNAT_LOG_DEBUG, "[debug] " nat_elog_fmt_str, nat_elog_fmt_arg, nat_elog_val1)
+#define nat_elog_info_X1(nat_elog_fmt_str, nat_elog_fmt_arg, nat_elog_val1) \
+ nat_elog_X1(SNAT_LOG_INFO, "[info] " nat_elog_fmt_str, nat_elog_fmt_arg, nat_elog_val1)
+
/* ICMP session match functions */
u32 icmp_match_in2out_fast (snat_main_t * sm, vlib_node_runtime_t * node,
u32 thread_index, vlib_buffer_t * b0,
* @param port L4 port number
* @param proto L4 protocol
* @param vrf_id VRF ID
- * @param is_in 1 = inside network addres and por pair, 0 = outside
+ * @param is_in 1 = inside network address and port pair, 0 = outside
*
* @return 0 on success, non-zero value otherwise
*/
* @param port L4 port number
* @param proto L4 protocol
* @param vrf_id VRF ID
- * @param is_in 1 = inside network addres and por pair, 0 = outside
+ * @param is_in 1 = inside network address and port pair, 0 = outside
*
* @return 0 on success, non-zero value otherwise
*/
*
* @param s NAT session
* @param thread_index thread index
+ * @param is_ha is HA event
*/
void nat_free_session_data (snat_main_t * sm, snat_session_t * s,
- u32 thread_index);
+ u32 thread_index, u8 is_ha);
/**
* @brief Find or create NAT user
*/
snat_session_t *nat_session_alloc_or_recycle (snat_main_t * sm,
snat_user_t * u,
- u32 thread_index);
+ u32 thread_index, f64 now);
/**
* @brief Allocate NAT endpoint-dependent session
*
* @param addresses vector of outside addresses
* @param thread_index thread index
- * @param k adddress, port and protocol
+ * @param k address, port and protocol
*/
void snat_free_outside_address_and_port (snat_address_t * addresses,
u32 thread_index,
void snat_add_del_addr_to_fib (ip4_address_t * addr,
u8 p_len, u32 sw_if_index, int is_add);
-
/*
* Why is this here? Because we don't need to touch this layer to
* simply reply to an icmp. We need to change id to a unique
Code Review / vpp.git / blobdiff