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-rw-r--r--src/vnet/l2/l2_api.c16
-rw-r--r--src/vnet/l2/l2_fib.c63
-rw-r--r--src/vnet/l2/l2_fib.h86
-rw-r--r--src/vnet/l2/l2_fwd.c6
-rw-r--r--src/vnet/l2/l2_input.c4
-rw-r--r--src/vnet/l2/l2_learn.c26
6 files changed, 132 insertions, 69 deletions
diff --git a/src/vnet/l2/l2_api.c b/src/vnet/l2/l2_api.c
index 39e52b1ecef..088e490ff14 100644
--- a/src/vnet/l2/l2_api.c
+++ b/src/vnet/l2/l2_api.c
@@ -142,9 +142,9 @@ send_l2fib_table_entry (vpe_api_main_t * am,
clib_memcpy (mp->mac, l2fe_key->fields.mac, 6);
mp->sw_if_index = ntohl (l2fe_res->fields.sw_if_index);
- mp->static_mac = l2fe_res->fields.static_mac;
- mp->filter_mac = l2fe_res->fields.filter;
- mp->bvi_mac = l2fe_res->fields.bvi;
+ mp->static_mac = l2fib_entry_result_is_set_STATIC (l2fe_res);
+ mp->filter_mac = l2fib_entry_result_is_set_FILTER (l2fe_res);
+ mp->bvi_mac = l2fib_entry_result_is_set_BVI (l2fe_res);
mp->context = context;
vl_api_send_msg (reg, (u8 *) mp);
@@ -215,6 +215,7 @@ vl_api_l2fib_add_del_t_handler (vl_api_l2fib_add_del_t * mp)
l2fib_add_filter_entry (mac, bd_index);
else
{
+ l2fib_entry_result_flags_t flags = L2FIB_ENTRY_RESULT_FLAG_NONE;
u32 sw_if_index = ntohl (mp->sw_if_index);
VALIDATE_SW_IF_INDEX (mp);
if (vec_len (l2im->configs) <= sw_if_index)
@@ -232,10 +233,11 @@ vl_api_l2fib_add_del_t_handler (vl_api_l2fib_add_del_t * mp)
goto bad_sw_if_index;
}
}
- u8 static_mac = mp->static_mac ? 1 : 0;
- u8 bvi_mac = mp->bvi_mac ? 1 : 0;
- l2fib_add_fwd_entry (mac, bd_index, sw_if_index, static_mac,
- bvi_mac);
+ if (mp->static_mac)
+ flags |= L2FIB_ENTRY_RESULT_FLAG_STATIC;
+ if (mp->bvi_mac)
+ flags |= L2FIB_ENTRY_RESULT_FLAG_BVI;
+ l2fib_add_entry (mac, bd_index, sw_if_index, flags);
}
}
else
diff --git a/src/vnet/l2/l2_fib.c b/src/vnet/l2/l2_fib.c
index 085ac8c3256..60d0db56d9d 100644
--- a/src/vnet/l2/l2_fib.c
+++ b/src/vnet/l2/l2_fib.c
@@ -163,16 +163,16 @@ l2fib_show_walk_cb (BVT (clib_bihash_kv) * kvp, void *arg)
{
u8 *s = NULL;
- if (ctx->learn && result.fields.age_not)
+ if (ctx->learn && l2fib_entry_result_is_set_AGE_NOT (&result))
return; /* skip provisioned macs */
- if (ctx->add && !result.fields.age_not)
+ if (ctx->add && !l2fib_entry_result_is_set_AGE_NOT (&result))
return; /* skip learned macs */
bd_config = vec_elt_at_index (l2input_main.bd_configs,
key.fields.bd_index);
- if (result.fields.age_not)
+ if (l2fib_entry_result_is_set_AGE_NOT (&result))
s = format (s, "no");
else if (bd_config->mac_age == 0)
s = format (s, "-");
@@ -189,10 +189,10 @@ l2fib_show_walk_cb (BVT (clib_bihash_kv) * kvp, void *arg)
key.fields.bd_index,
result.fields.sw_if_index == ~0
? -1 : result.fields.sw_if_index,
- result.fields.sn.bd, result.fields.sn.swif,
- s, result.fields.static_mac ? "*" : "-",
- result.fields.filter ? "*" : "-",
- result.fields.bvi ? "*" : "-",
+ result.fields.sn.bd, result.fields.sn.swif, s,
+ l2fib_entry_result_is_set_STATIC (&result) ? "*" : "-",
+ l2fib_entry_result_is_set_FILTER (&result) ? "*" : "-",
+ l2fib_entry_result_is_set_BVI (&result) ? "*" : "-",
format_vnet_sw_if_index_name_with_NA,
ctx->vnm, result.fields.sw_if_index);
vec_free (s);
@@ -377,7 +377,7 @@ l2fib_cur_seq_num (u32 bd_index, u32 sw_if_index)
*/
void
l2fib_add_entry (u8 * mac, u32 bd_index,
- u32 sw_if_index, u8 static_mac, u8 filter_mac, u8 bvi_mac)
+ u32 sw_if_index, l2fib_entry_result_flags_t flags)
{
l2fib_entry_key_t key;
l2fib_entry_result_t result;
@@ -394,17 +394,18 @@ l2fib_add_entry (u8 * mac, u32 bd_index,
{
/* decrement counter if overwriting a learned mac */
result.raw = kv.value;
- if ((result.fields.age_not == 0) && (lm->global_learn_count))
+ if ((!l2fib_entry_result_is_set_AGE_NOT (&result))
+ && (lm->global_learn_count))
lm->global_learn_count--;
}
/* set up result */
result.raw = 0; /* clear all fields */
result.fields.sw_if_index = sw_if_index;
- result.fields.static_mac = static_mac;
- result.fields.filter = filter_mac;
- result.fields.bvi = bvi_mac;
- result.fields.age_not = 1; /* no aging for provisioned entry */
+ result.fields.flags = flags;
+
+ /* no aging for provisioned entry */
+ l2fib_entry_result_set_AGE_NOT (&result);
kv.key = key.raw;
kv.value = result.raw;
@@ -430,9 +431,10 @@ l2fib_add (vlib_main_t * vm,
u32 bd_id;
u32 bd_index;
u32 sw_if_index = ~0;
- u32 static_mac = 0;
- u32 bvi_mac = 0;
uword *p;
+ l2fib_entry_result_flags_t flags;
+
+ flags = L2FIB_ENTRY_RESULT_FLAG_NONE;
if (!unformat (input, "%U", unformat_ethernet_address, mac))
{
@@ -470,14 +472,9 @@ l2fib_add (vlib_main_t * vm,
}
if (unformat (input, "static"))
- {
- static_mac = 1;
- }
+ flags |= L2FIB_ENTRY_RESULT_FLAG_STATIC;
else if (unformat (input, "bvi"))
- {
- bvi_mac = 1;
- static_mac = 1;
- }
+ flags |= (L2FIB_ENTRY_RESULT_FLAG_STATIC | L2FIB_ENTRY_RESULT_FLAG_BVI);
if (vec_len (l2input_main.configs) <= sw_if_index)
{
@@ -486,7 +483,7 @@ l2fib_add (vlib_main_t * vm,
goto done;
}
- l2fib_add_fwd_entry (mac, bd_index, sw_if_index, static_mac, bvi_mac);
+ l2fib_add_entry (mac, bd_index, sw_if_index, flags);
done:
return error;
@@ -536,7 +533,6 @@ l2fib_test_command_fn (vlib_main_t * vm,
u8 mac[6], save_mac[6];
u32 bd_index = 0;
u32 sw_if_index = 8;
- u32 bvi_mac = 0;
u32 is_add = 0;
u32 is_del = 0;
u32 is_check = 0;
@@ -573,7 +569,8 @@ l2fib_test_command_fn (vlib_main_t * vm,
{
for (i = 0; i < count; i++)
{
- l2fib_add_fwd_entry (mac, bd_index, sw_if_index, *mac, bvi_mac);
+ l2fib_add_entry (mac, bd_index, sw_if_index,
+ L2FIB_ENTRY_RESULT_FLAG_NONE);
incr_mac_address (mac);
}
}
@@ -682,7 +679,8 @@ l2fib_del_entry (u8 * mac, u32 bd_index, u32 sw_if_index)
return 1;
/* decrement counter if dynamically learned mac */
- if ((result.fields.age_not == 0) && (l2learn_main.global_learn_count))
+ if ((!l2fib_entry_result_is_set_AGE_NOT (&result)) &&
+ (l2learn_main.global_learn_count))
l2learn_main.global_learn_count--;
/* Remove entry from hash table */
@@ -1025,7 +1023,7 @@ l2fib_scan (vlib_main_t * vm, f64 start_time, u8 event_only)
l2fib_entry_key_t key = {.raw = v->kvp[k].key };
l2fib_entry_result_t result = {.raw = v->kvp[k].value };
- if (result.fields.age_not == 0)
+ if (!l2fib_entry_result_is_set_AGE_NOT (&result))
learn_count++;
if (client)
@@ -1049,18 +1047,19 @@ l2fib_scan (vlib_main_t * vm, f64 start_time, u8 event_only)
evt_idx = 0;
}
- if (result.fields.lrn_evt)
+ if (l2fib_entry_result_is_set_LRN_EVT (&result))
{
/* copy mac entry to event msg */
clib_memcpy (mp->mac[evt_idx].mac_addr, key.fields.mac,
6);
- mp->mac[evt_idx].action = result.fields.lrn_mov ?
+ mp->mac[evt_idx].action =
+ l2fib_entry_result_is_set_LRN_MOV (&result) ?
MAC_EVENT_ACTION_MOVE : MAC_EVENT_ACTION_ADD;
mp->mac[evt_idx].sw_if_index =
htonl (result.fields.sw_if_index);
/* clear event bits and update mac entry */
- result.fields.lrn_evt = 0;
- result.fields.lrn_mov = 0;
+ l2fib_entry_result_clear_LRN_EVT (&result);
+ l2fib_entry_result_clear_LRN_MOV (&result);
BVT (clib_bihash_kv) kv;
kv.key = key.raw;
kv.value = result.raw;
@@ -1070,7 +1069,7 @@ l2fib_scan (vlib_main_t * vm, f64 start_time, u8 event_only)
}
}
- if (event_only || result.fields.age_not)
+ if (event_only || l2fib_entry_result_is_set_AGE_NOT (&result))
continue; /* skip aging - static_mac alsways age_not */
/* start aging processing */
diff --git a/src/vnet/l2/l2_fib.h b/src/vnet/l2/l2_fib.h
index 50fd474087b..a958023eaea 100644
--- a/src/vnet/l2/l2_fib.h
+++ b/src/vnet/l2/l2_fib.h
@@ -102,24 +102,44 @@ typedef struct
};
} 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 intf if bvi==1) */
-
- 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 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;
+ l2fib_entry_result_flags_t flags;
u8 timestamp; /* timestamp for aging */
l2fib_seq_num_t sn; /* bd/int seq num */
@@ -130,6 +150,41 @@ typedef struct
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
{
@@ -387,19 +442,14 @@ 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);
-}
+ u32 sw_if_index, l2fib_entry_result_flags_t flags);
static inline void
l2fib_add_filter_entry (u8 * mac, u32 bd_index)
{
- l2fib_add_entry (mac, bd_index, ~0, 1, 1, 0);
+ l2fib_add_entry (mac, bd_index, ~0,
+ (L2FIB_ENTRY_RESULT_FLAG_FILTER |
+ L2FIB_ENTRY_RESULT_FLAG_STATIC));
}
u32 l2fib_del_entry (u8 * mac, u32 bd_index, u32 sw_if_index);
diff --git a/src/vnet/l2/l2_fwd.c b/src/vnet/l2/l2_fwd.c
index c1b8519a832..8c03683b133 100644
--- a/src/vnet/l2/l2_fwd.c
+++ b/src/vnet/l2/l2_fwd.c
@@ -145,7 +145,7 @@ l2fwd_process (vlib_main_t * vm,
int l2fib_seq_num_valid = 1;
/* check l2fib seq num for stale entries */
- if (!result0->fields.age_not)
+ if (!l2fib_entry_result_is_set_AGE_NOT (result0))
{
l2fib_seq_num_t in_sn = {.as_u16 = vnet_buffer (b0)->l2.l2fib_sn };
l2fib_seq_num_t expected_sn = {
@@ -168,13 +168,13 @@ l2fwd_process (vlib_main_t * vm,
*next0 = L2FWD_NEXT_DROP;
}
/* perform filter check */
- else if (PREDICT_FALSE (result0->fields.filter))
+ else if (PREDICT_FALSE (l2fib_entry_result_is_set_FILTER (result0)))
{
b0->error = node->errors[L2FWD_ERROR_FILTER_DROP];
*next0 = L2FWD_NEXT_DROP;
}
/* perform BVI check */
- else if (PREDICT_FALSE (result0->fields.bvi))
+ else if (PREDICT_FALSE (l2fib_entry_result_is_set_BVI (result0)))
{
u32 rc;
rc = l2_to_bvi (vm,
diff --git a/src/vnet/l2/l2_input.c b/src/vnet/l2/l2_input.c
index feab40c2cd3..fd6f9eb462c 100644
--- a/src/vnet/l2/l2_input.c
+++ b/src/vnet/l2/l2_input.c
@@ -684,7 +684,9 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */
config->bvi = 1;
/* create the l2fib entry for the bvi interface */
- l2fib_add_fwd_entry (hi->hw_address, bd_index, sw_if_index, 1, 1); /* static + bvi */
+ l2fib_add_entry (hi->hw_address, bd_index, sw_if_index,
+ L2FIB_ENTRY_RESULT_FLAG_BVI |
+ L2FIB_ENTRY_RESULT_FLAG_STATIC);
/* Disable learning by default. no use since l2fib entry is static. */
config->feature_bitmap &= ~L2INPUT_FEAT_LEARN;
diff --git a/src/vnet/l2/l2_learn.c b/src/vnet/l2/l2_learn.c
index 04e0721ebeb..eff5822cb5f 100644
--- a/src/vnet/l2/l2_learn.c
+++ b/src/vnet/l2/l2_learn.c
@@ -132,7 +132,7 @@ l2learn_process (vlib_node_runtime_t * node,
if (PREDICT_TRUE (check == 0))
return; /* MAC entry up to date */
- if (result0->fields.age_not)
+ if (l2fib_entry_result_is_set_AGE_NOT (result0))
return; /* Static MAC always age_not */
if (msm->global_learn_count > msm->global_learn_limit)
return; /* Above learn limit - do not update */
@@ -171,12 +171,15 @@ l2learn_process (vlib_node_runtime_t * node,
msm->global_learn_count++;
result0->raw = 0; /* clear all fields */
result0->fields.sw_if_index = sw_if_index0;
- result0->fields.lrn_evt = (msm->client_pid != 0);
+ if (msm->client_pid != 0)
+ l2fib_entry_result_set_LRN_EVT (result0);
+ else
+ l2fib_entry_result_clear_LRN_EVT (result0);
}
else
{
/* Entry in L2FIB with different sw_if_index - mac move or filter */
- if (result0->fields.filter)
+ if (l2fib_entry_result_is_set_FILTER (result0))
{
ASSERT (result0->fields.sw_if_index == ~0);
/* drop packet because lookup matched a filter mac entry */
@@ -185,7 +188,7 @@ l2learn_process (vlib_node_runtime_t * node,
return;
}
- if (result0->fields.static_mac)
+ if (l2fib_entry_result_is_set_STATIC (result0))
{
/*
* Don't overwrite a static mac
@@ -201,13 +204,20 @@ l2learn_process (vlib_node_runtime_t * node,
* TODO: check global/bridge domain/interface learn limits
*/
result0->fields.sw_if_index = sw_if_index0;
- if (result0->fields.age_not) /* The mac was provisioned */
+ if (l2fib_entry_result_is_set_AGE_NOT (result0))
{
+ /* The mac was provisioned */
msm->global_learn_count++;
- result0->fields.age_not = 0;
+ l2fib_entry_result_clear_AGE_NOT (result0);
}
- result0->fields.lrn_evt = (msm->client_pid != 0);
- result0->fields.lrn_mov = (msm->client_pid != 0);
+ if (msm->client_pid != 0)
+ l2fib_entry_result_set_bits (result0,
+ (L2FIB_ENTRY_RESULT_FLAG_LRN_EVT |
+ L2FIB_ENTRY_RESULT_FLAG_LRN_MOV));
+ else
+ l2fib_entry_result_clear_bits (result0,
+ (L2FIB_ENTRY_RESULT_FLAG_LRN_EVT |
+ L2FIB_ENTRY_RESULT_FLAG_LRN_MOV));
counter_base[L2LEARN_ERROR_MAC_MOVE] += 1;
}