* The size of the hash table
*/
#define L2FIB_NUM_BUCKETS (64 * 1024)
-#define L2FIB_MEMORY_SIZE (256<<20)
+#define L2FIB_MEMORY_SIZE (512<<20)
+
+/* Ager scan interval is 1 minute for aging */
+#define L2FIB_AGE_SCAN_INTERVAL (60.0)
+
+/* MAC event scan delay is 100 msec unless specified by MAC event client */
+#define L2FIB_EVENT_SCAN_DELAY_DEFAULT (0.1)
+
+/* Max MACs in a event message is 100 unless specified by MAC event client */
+#define L2FIB_EVENT_MAX_MACS_DEFAULT (100)
+
+/* MAC event learn limit is 1000 unless specified by MAC event client */
+#define L2FIB_EVENT_LEARN_LIMIT_DEFAULT (1000)
+
+typedef struct
+{
+
+ /* hash table */
+ BVT (clib_bihash) mac_table;
+
+ /* per swif vector of sequence number for interface based flush of MACs */
+ u8 *swif_seq_num;
+
+ /* last event or ager scan duration */
+ f64 evt_scan_duration;
+ f64 age_scan_duration;
+
+ /* delay between event scans, default to 100 msec */
+ f64 event_scan_delay;
+
+ /* max macs in evet message, default to 100 entries */
+ u32 max_macs_in_event;
+
+ /* convenience variables */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+} l2fib_main_t;
+
+extern l2fib_main_t l2fib_main;
/*
* The L2fib key is the mac address and bridge domain ID
STATIC_ASSERT_SIZEOF (l2fib_entry_key_t, 8);
+
+typedef struct
+{
+ union
+ {
+ struct
+ {
+ u8 swif;
+ u8 bd;
+ };
+ u16 as_u16;
+ };
+} l2fib_seq_num_t;
+
/*
* The l2fib entry results
*/
{
struct
{
- u32 sw_if_index; /* output sw_if_index (L3 interface if bvi==1) */
+ u32 sw_if_index; /* output sw_if_index (L3 intf if bvi==1) */
- u8 static_mac:1; /* static mac, no dataplane learning */
+ u8 static_mac:1; /* static mac, no MAC move */
+ u8 age_not:1; /* not subject to age */
u8 bvi:1; /* mac is for a bridged virtual interface */
u8 filter:1; /* drop packets to/from this mac */
- u8 unused1:5;
+ u8 lrn_evt:1; /* MAC learned to be sent in L2 MAC event */
+ u8 lrn_mov:1; /* MAC learned is a MAC move */
+ u8 unused:2;
+
u8 timestamp; /* timestamp for aging */
- u16 unused2;
+ l2fib_seq_num_t sn; /* bd/int seq num */
} fields;
u64 raw;
};
STATIC_ASSERT_SIZEOF (l2fib_entry_result_t, 8);
+/* L2 MAC event entry action enums (see mac_entry definition in l2.api) */
+typedef enum
+{
+ MAC_EVENT_ACTION_ADD = 0,
+ MAC_EVENT_ACTION_DELETE = 1,
+ MAC_EVENT_ACTION_MOVE = 2,
+} l2_mac_event_action_t;
+
/**
* Compute the hash for the given key and return
* the corresponding bucket index
return result % L2FIB_NUM_BUCKETS;
}
-always_inline u64
+/**
+ * make address sanitizer skip this:
+ * The 6-Bytes mac-address is cast into an 8-Bytes u64, with 2 additional Bytes.
+ * l2fib_make_key() does read those two Bytes but does not use them.
+ */
+always_inline u64 __attribute__ ((no_sanitize_address))
l2fib_make_key (u8 * mac_address, u16 bd_index)
{
u64 temp;
}
}
+void l2fib_clear_table (void);
+
+void
+l2fib_add_entry (u8 * mac,
+ u32 bd_index,
+ u32 sw_if_index, u8 static_mac, u8 drop_mac, u8 bvi_mac);
+
+static inline void
+l2fib_add_fwd_entry (u8 * mac, u32 bd_index, u32 sw_if_index, u8 static_mac,
+ u8 bvi_mac)
+{
+ l2fib_add_entry (mac, bd_index, sw_if_index, static_mac, 0, bvi_mac);
+}
+
+static inline void
+l2fib_add_filter_entry (u8 * mac, u32 bd_index)
+{
+ l2fib_add_entry (mac, bd_index, ~0, 1, 1, 0);
+}
+
+u32 l2fib_del_entry (u8 * mac, u32 bd_index, u32 sw_if_index);
+
+void l2fib_start_ager_scan (vlib_main_t * vm);
+
+void l2fib_flush_int_mac (vlib_main_t * vm, u32 sw_if_index);
+
+void l2fib_flush_bd_mac (vlib_main_t * vm, u32 bd_index);
+
+void l2fib_flush_all_mac (vlib_main_t * vm);
+
+void
+l2fib_table_dump (u32 bd_index, l2fib_entry_key_t ** l2fe_key,
+ l2fib_entry_result_t ** l2fe_res);
+
+u8 *format_vnet_sw_if_index_name_with_NA (u8 * s, va_list * args);
+
+static_always_inline u8 *
+l2fib_swif_seq_num (u32 sw_if_index)
+{
+ l2fib_main_t *mp = &l2fib_main;
+ return vec_elt_at_index (mp->swif_seq_num, sw_if_index);
+}
+
+static_always_inline u8 *
+l2fib_valid_swif_seq_num (u32 sw_if_index)
+{
+ l2fib_main_t *mp = &l2fib_main;
+ vec_validate (mp->swif_seq_num, sw_if_index);
+ return l2fib_swif_seq_num (sw_if_index);
+}
+
BVT (clib_bihash) * get_mac_table (void);
- void
- l2fib_clear_table (uint keep_static);
- void
- l2fib_add_entry (u64 mac,
- u32 bd_index,
- u32 sw_if_index,
- u32 static_mac, u32 drop_mac, u32 bvi_mac);
-u32
-l2fib_del_entry (u64 mac, u32 bd_index);
-
- void
- l2fib_table_dump (u32 bd_index, l2fib_entry_key_t ** l2fe_key,
- l2fib_entry_result_t ** l2fe_res);
-
- u8 *format_vnet_sw_if_index_name_with_NA (u8 * s, va_list * args);
#endif