* 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
{
/* 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 event message, default to 100 entries */
+ u32 max_macs_in_event;
+
/* convenience variables */
vlib_main_t *vlib_main;
vnet_main_t *vnet_main;
};
} l2fib_seq_num_t;
+/**
+ * Flags associated with an L2 Fib Entry
+ * - static mac, no MAC move
+ * - not subject to age
+ * - mac is for a bridged virtual interface
+ * - drop packets to/from this mac
+ * - MAC learned to be sent in L2 MAC event
+ * -MAC learned is a MAC move
+ */
+#define foreach_l2fib_entry_result_attr \
+ _(STATIC, 0, "static") \
+ _(AGE_NOT, 1, "age-not") \
+ _(BVI, 2, "bvi") \
+ _(FILTER, 3, "filter") \
+ _(LRN_EVT, 4, "learn-event") \
+ _(LRN_MOV, 5, "learn-move")
+
+typedef enum l2fib_entry_result_flags_t_
+{
+ L2FIB_ENTRY_RESULT_FLAG_NONE = 0,
+#define _(a,v,s) L2FIB_ENTRY_RESULT_FLAG_##a = (1 << v),
+ foreach_l2fib_entry_result_attr
+#undef _
+} __attribute__ ((packed)) l2fib_entry_result_flags_t;
+
+STATIC_ASSERT_SIZEOF (l2fib_entry_result_flags_t, 1);
+
/*
* The l2fib entry results
*/
-typedef struct
+typedef struct l2fib_entry_result_t_
{
union
{
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) */
+ l2fib_entry_result_flags_t flags;
- u8 static_mac:1; /* static mac, no dataplane learning */
- u8 bvi:1; /* mac is for a bridged virtual interface */
- u8 filter:1; /* drop packets to/from this mac */
- u8 unused1:5;
u8 timestamp; /* timestamp for aging */
l2fib_seq_num_t sn; /* bd/int seq num */
} fields;
STATIC_ASSERT_SIZEOF (l2fib_entry_result_t, 8);
+#define _(a,v,s) \
+ always_inline int \
+ l2fib_entry_result_is_set_##a (const l2fib_entry_result_t *r) { \
+ return (r->fields.flags & L2FIB_ENTRY_RESULT_FLAG_##a); \
+ }
+foreach_l2fib_entry_result_attr
+#undef _
+#define _(a,v,s) \
+ always_inline void \
+ l2fib_entry_result_set_##a (l2fib_entry_result_t *r) { \
+ r->fields.flags |= L2FIB_ENTRY_RESULT_FLAG_##a; \
+ }
+ foreach_l2fib_entry_result_attr
+#undef _
+#define _(a,v,s) \
+ always_inline void \
+ l2fib_entry_result_clear_##a (l2fib_entry_result_t *r) { \
+ r->fields.flags &= ~L2FIB_ENTRY_RESULT_FLAG_##a; \
+ }
+ foreach_l2fib_entry_result_attr
+#undef _
+ static inline void
+l2fib_entry_result_set_bits (l2fib_entry_result_t * r,
+ l2fib_entry_result_flags_t bits)
+{
+ r->fields.flags |= bits;
+}
+
+static inline void
+l2fib_entry_result_clear_bits (l2fib_entry_result_t * r,
+ l2fib_entry_result_flags_t bits)
+{
+ r->fields.flags &= ~bits;
+}
+
+/* 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
-l2fib_make_key (u8 * mac_address, u16 bd_index)
+/**
+ * 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 (const u8 * mac_address, u16 bd_index)
{
u64 temp;
l2fib_lookup_4 (BVT (clib_bihash) * mac_table,
l2fib_entry_key_t * cached_key,
l2fib_entry_result_t * cached_result,
- u8 * mac0,
- u8 * mac1,
- u8 * mac2,
- u8 * mac3,
+ const u8 * mac0,
+ const u8 * mac1,
+ const u8 * mac2,
+ const u8 * mac3,
u16 bd_index0,
u16 bd_index1,
u16 bd_index2,
void l2fib_clear_table (void);
void
-l2fib_add_entry (u64 mac,
+l2fib_add_entry (const u8 * mac,
u32 bd_index,
- u32 sw_if_index, u32 static_mac, u32 drop_mac, u32 bvi_mac);
+ u32 sw_if_index, l2fib_entry_result_flags_t flags);
-u32 l2fib_del_entry (u64 mac, u32 bd_index);
+static inline void
+l2fib_add_filter_entry (const u8 * mac, u32 bd_index)
+{
+ l2fib_add_entry (mac, bd_index, ~0,
+ (L2FIB_ENTRY_RESULT_FLAG_FILTER |
+ L2FIB_ENTRY_RESULT_FLAG_STATIC));
+}
+
+u32 l2fib_del_entry (const u8 * mac, u32 bd_index, u32 sw_if_index);
void l2fib_start_ager_scan (vlib_main_t * vm);
l2fib_swif_seq_num (u32 sw_if_index)
{
l2fib_main_t *mp = &l2fib_main;
- vec_validate (mp->swif_seq_num, sw_if_index);
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);
#endif
Code Review / vpp.git / blobdiff