diff options
Diffstat (limited to 'src/plugins/cnat/cnat_types.h')
| -rw-r--r-- | src/plugins/cnat/cnat_types.h | 52 |
1 files changed, 44 insertions, 8 deletions
diff --git a/src/plugins/cnat/cnat_types.h b/src/plugins/cnat/cnat_types.h index c3ec74c345f..d229d21adae 100644 --- a/src/plugins/cnat/cnat_types.h +++ b/src/plugins/cnat/cnat_types.h @@ -36,12 +36,14 @@ #define CNAT_DEFAULT_SESSION_BUCKETS 1024 #define CNAT_DEFAULT_TRANSLATION_BUCKETS 1024 +#define CNAT_DEFAULT_CLIENT_BUCKETS 1024 #define CNAT_DEFAULT_SNAT_BUCKETS 1024 #define CNAT_DEFAULT_SNAT_IF_MAP_LEN 4096 #define CNAT_DEFAULT_SESSION_MEMORY (1 << 20) #define CNAT_DEFAULT_TRANSLATION_MEMORY (256 << 10) -#define CNAT_DEFAULT_SNAT_MEMORY (64 << 20) +#define CNAT_DEFAULT_CLIENT_MEMORY (256 << 10) +#define CNAT_DEFAULT_SNAT_MEMORY (64 << 10) /* Should be prime >~ 100 * numBackends */ #define CNAT_DEFAULT_MAGLEV_LEN 1009 @@ -50,11 +52,24 @@ * from fib_source.h */ #define CNAT_FIB_SOURCE_PRIORITY 0x02 -/* Initial refcnt for timestamps (2 : session & rsession) */ -#define CNAT_TIMESTAMP_INIT_REFCNT 2 +/* Initial number of timestamps for a session + * this will be incremented when adding the reverse + * session in cnat_rsession_create */ +#define CNAT_TIMESTAMP_INIT_REFCNT 1 #define MIN_SRC_PORT ((u16) 0xC000) +typedef struct +{ + /* Source and destination port. */ + u16 src_port, dst_port; + + /* Random value to distinguish connections. */ + u32 verification_tag; + + u32 checksum; +} sctp_header_t; + typedef enum cnat_trk_flag_t_ { /* Endpoint is active (static or dhcp resolved) */ @@ -62,6 +77,8 @@ typedef enum cnat_trk_flag_t_ /* Don't translate this endpoint, but still * forward. Used by maglev for DSR */ CNAT_TRK_FLAG_NO_NAT = (1 << 1), + /* */ + CNAT_TRK_FLAG_TEST_DISABLED = (1 << 7), } cnat_trk_flag_t; typedef enum @@ -105,6 +122,12 @@ typedef struct cnat_main_ /* Number of buckets of the translation bihash */ u32 translation_hash_buckets; + /* Memory size of the client bihash */ + uword client_hash_memory; + + /* Number of buckets of the client bihash */ + u32 client_hash_buckets; + /* Memory size of the source NAT prefix bihash */ uword snat_hash_memory; @@ -125,9 +148,6 @@ typedef struct cnat_main_ /* delay in seconds between two scans of session/clients tables */ f64 scanner_timeout; - /* Lock for the timestamp pool */ - clib_rwlock_t ts_lock; - /* Index of the scanner process node */ uword scanner_node_index; @@ -152,6 +172,23 @@ typedef struct cnat_timestamp_t_ u16 refcnt; } cnat_timestamp_t; +/* Create the first pool with 1 << CNAT_TS_BASE_SIZE elts */ +#define CNAT_TS_BASE_SIZE (8) +/* reserve the top CNAT_TS_MPOOL_BITS bits for finding the pool */ +#define CNAT_TS_MPOOL_BITS (6) + +typedef struct cnat_timestamp_mpool_t_ +{ + /* Increasing fixed size pools of timestamps */ + cnat_timestamp_t *ts_pools[1 << CNAT_TS_MPOOL_BITS]; + /* Bitmap of pools with free space */ + uword *ts_free; + /* Index of next pool to init */ + u8 next_empty_pool_idx; + /* ts creation lock */ + clib_spinlock_t ts_lock; +} cnat_timestamp_mpool_t; + typedef struct cnat_node_ctx_ { f64 now; @@ -165,8 +202,7 @@ extern u8 *format_cnat_endpoint (u8 * s, va_list * args); extern uword unformat_cnat_ep_tuple (unformat_input_t * input, va_list * args); extern uword unformat_cnat_ep (unformat_input_t * input, va_list * args); -extern cnat_timestamp_t *cnat_timestamps; -extern fib_source_t cnat_fib_source; +extern cnat_timestamp_mpool_t cnat_timestamps; extern cnat_main_t cnat_main; extern char *cnat_error_strings[]; |