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Diffstat (limited to 'src/vnet/dpo/lookup_dpo.c')
-rw-r--r--src/vnet/dpo/lookup_dpo.c211
1 files changed, 198 insertions, 13 deletions
diff --git a/src/vnet/dpo/lookup_dpo.c b/src/vnet/dpo/lookup_dpo.c
index 97ad0a44cce..e5b00a79e52 100644
--- a/src/vnet/dpo/lookup_dpo.c
+++ b/src/vnet/dpo/lookup_dpo.c
@@ -21,8 +21,12 @@
#include <vnet/fib/ip4_fib.h>
#include <vnet/fib/ip6_fib.h>
#include <vnet/fib/mpls_fib.h>
+#include <vnet/mfib/mfib_table.h>
+#include <vnet/mfib/ip4_mfib.h>
+#include <vnet/mfib/ip6_mfib.h>
static const char *const lookup_input_names[] = LOOKUP_INPUTS;
+static const char *const lookup_cast_names[] = LOOKUP_CASTS;
/**
* @brief Enumeration of the lookup subtypes
@@ -31,6 +35,7 @@ typedef enum lookup_sub_type_t_
{
LOOKUP_SUB_TYPE_SRC,
LOOKUP_SUB_TYPE_DST,
+ LOOKUP_SUB_TYPE_DST_MCAST,
LOOKUP_SUB_TYPE_DST_TABLE_FROM_INTERFACE,
} lookup_sub_type_t;
#define LOOKUP_SUB_TYPE_NUM (LOOKUP_SUB_TYPE_DST_TABLE_FROM_INTERFACE+1)
@@ -67,6 +72,7 @@ lookup_dpo_get_index (lookup_dpo_t *lkd)
static void
lookup_dpo_add_or_lock_i (fib_node_index_t fib_index,
dpo_proto_t proto,
+ lookup_cast_t cast,
lookup_input_t input,
lookup_table_t table_config,
dpo_id_t *dpo)
@@ -79,6 +85,7 @@ lookup_dpo_add_or_lock_i (fib_node_index_t fib_index,
lkd->lkd_proto = proto;
lkd->lkd_input = input;
lkd->lkd_table = table_config;
+ lkd->lkd_cast = cast;
/*
* use the input type to select the lookup sub-type
@@ -100,6 +107,10 @@ lookup_dpo_add_or_lock_i (fib_node_index_t fib_index,
type = lookup_dpo_sub_types[LOOKUP_SUB_TYPE_DST];
break;
}
+ if (LOOKUP_MULTICAST == cast)
+ {
+ type = lookup_dpo_sub_types[LOOKUP_SUB_TYPE_DST_MCAST];
+ }
}
if (0 == type)
@@ -115,20 +126,29 @@ lookup_dpo_add_or_lock_i (fib_node_index_t fib_index,
void
lookup_dpo_add_or_lock_w_fib_index (fib_node_index_t fib_index,
dpo_proto_t proto,
+ lookup_cast_t cast,
lookup_input_t input,
lookup_table_t table_config,
dpo_id_t *dpo)
{
if (LOOKUP_TABLE_FROM_CONFIG == table_config)
{
- fib_table_lock(fib_index, dpo_proto_to_fib(proto));
+ if (LOOKUP_UNICAST == cast)
+ {
+ fib_table_lock(fib_index, dpo_proto_to_fib(proto));
+ }
+ else
+ {
+ mfib_table_lock(fib_index, dpo_proto_to_fib(proto));
+ }
}
- lookup_dpo_add_or_lock_i(fib_index, proto, input, table_config, dpo);
+ lookup_dpo_add_or_lock_i(fib_index, proto, cast, input, table_config, dpo);
}
void
lookup_dpo_add_or_lock_w_table_id (u32 table_id,
dpo_proto_t proto,
+ lookup_cast_t cast,
lookup_input_t input,
lookup_table_t table_config,
dpo_id_t *dpo)
@@ -137,13 +157,22 @@ lookup_dpo_add_or_lock_w_table_id (u32 table_id,
if (LOOKUP_TABLE_FROM_CONFIG == table_config)
{
- fib_index =
- fib_table_find_or_create_and_lock(dpo_proto_to_fib(proto),
- table_id);
+ if (LOOKUP_UNICAST == cast)
+ {
+ fib_index =
+ fib_table_find_or_create_and_lock(dpo_proto_to_fib(proto),
+ table_id);
+ }
+ else
+ {
+ fib_index =
+ mfib_table_find_or_create_and_lock(dpo_proto_to_fib(proto),
+ table_id);
+ }
}
ASSERT(FIB_NODE_INDEX_INVALID != fib_index);
- lookup_dpo_add_or_lock_i(fib_index, proto, input, table_config, dpo);
+ lookup_dpo_add_or_lock_i(fib_index, proto, cast, input, table_config, dpo);
}
u8*
@@ -156,16 +185,29 @@ format_lookup_dpo (u8 *s, va_list *args)
if (LOOKUP_TABLE_FROM_INPUT_INTERFACE == lkd->lkd_table)
{
- s = format(s, "%s lookup in interface's %U table",
+ s = format(s, "%s,%s lookup in interface's %U table",
lookup_input_names[lkd->lkd_input],
+ lookup_cast_names[lkd->lkd_cast],
format_dpo_proto, lkd->lkd_proto);
}
else
{
- s = format(s, "%s lookup in %U",
- lookup_input_names[lkd->lkd_input],
- format_fib_table_name, lkd->lkd_fib_index,
- dpo_proto_to_fib(lkd->lkd_proto));
+ if (LOOKUP_UNICAST == lkd->lkd_cast)
+ {
+ s = format(s, "%s,%s lookup in %U",
+ lookup_input_names[lkd->lkd_input],
+ lookup_cast_names[lkd->lkd_cast],
+ format_fib_table_name, lkd->lkd_fib_index,
+ dpo_proto_to_fib(lkd->lkd_proto));
+ }
+ else
+ {
+ s = format(s, "%s,%s lookup in %U",
+ lookup_input_names[lkd->lkd_input],
+ lookup_cast_names[lkd->lkd_cast],
+ format_mfib_table_name, lkd->lkd_fib_index,
+ dpo_proto_to_fib(lkd->lkd_proto));
+ }
}
return (s);
}
@@ -193,8 +235,16 @@ lookup_dpo_unlock (dpo_id_t *dpo)
{
if (LOOKUP_TABLE_FROM_CONFIG == lkd->lkd_table)
{
- fib_table_unlock(lkd->lkd_fib_index,
- dpo_proto_to_fib(lkd->lkd_proto));
+ if (LOOKUP_UNICAST == lkd->lkd_cast)
+ {
+ fib_table_unlock(lkd->lkd_fib_index,
+ dpo_proto_to_fib(lkd->lkd_proto));
+ }
+ else
+ {
+ mfib_table_unlock(lkd->lkd_fib_index,
+ dpo_proto_to_fib(lkd->lkd_proto));
+ }
}
pool_put(lookup_dpo_pool, lkd);
}
@@ -1069,6 +1119,123 @@ VLIB_REGISTER_NODE (lookup_mpls_dst_itf_node) = {
};
VLIB_NODE_FUNCTION_MULTIARCH (lookup_mpls_dst_itf_node, lookup_mpls_dst_itf)
+typedef enum lookup_ip_dst_mcast_next_t_ {
+ LOOKUP_IP_DST_MCAST_NEXT_RPF,
+ LOOKUP_IP_DST_MCAST_N_NEXT,
+} mfib_forward_lookup_next_t;
+
+always_inline uword
+lookup_dpo_ip_dst_mcast_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame,
+ int is_v4)
+{
+ u32 n_left_from, next_index, * from, * to_next;
+
+ from = vlib_frame_vector_args (from_frame);
+ n_left_from = from_frame->n_vectors;
+
+ next_index = LOOKUP_IP_DST_MCAST_NEXT_RPF;
+
+ while (n_left_from > 0)
+ {
+ u32 n_left_to_next;
+
+ vlib_get_next_frame(vm, node, next_index, to_next, n_left_to_next);
+
+ /* while (n_left_from >= 4 && n_left_to_next >= 2) */
+ /* } */
+
+ while (n_left_from > 0 && n_left_to_next > 0)
+ {
+ u32 bi0, lkdi0, fib_index0, next0;
+ const lookup_dpo_t * lkd0;
+ fib_node_index_t mfei0;
+ vlib_buffer_t * b0;
+
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+
+ /* dst lookup was done by mpls lookup */
+ lkdi0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX];
+ lkd0 = lookup_dpo_get(lkdi0);
+ fib_index0 = lkd0->lkd_fib_index;
+ next0 = LOOKUP_IP_DST_MCAST_NEXT_RPF;
+
+ if (is_v4)
+ {
+ ip4_header_t * ip0;
+
+ ip0 = vlib_buffer_get_current (b0);
+ mfei0 = ip4_mfib_table_lookup(ip4_mfib_get(fib_index0),
+ &ip0->src_address,
+ &ip0->dst_address,
+ 64);
+ if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ lookup_trace_t *tr = vlib_add_trace (vm, node,
+ b0, sizeof (*tr));
+ tr->fib_index = fib_index0;
+ tr->lbi = mfei0;
+ tr->addr.ip4 = ip0->dst_address;
+ }
+ }
+ else
+ {
+ ip6_header_t * ip0;
+
+ ip0 = vlib_buffer_get_current (b0);
+ mfei0 = ip6_mfib_table_lookup2(ip6_mfib_get(fib_index0),
+ &ip0->src_address,
+ &ip0->dst_address);
+ if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ lookup_trace_t *tr = vlib_add_trace (vm, node,
+ b0, sizeof (*tr));
+ tr->fib_index = fib_index0;
+ tr->lbi = mfei0;
+ tr->addr.ip6 = ip0->dst_address;
+ }
+ }
+
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX] = mfei0;
+
+ vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next,
+ n_left_to_next, bi0, next0);
+ }
+ vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ }
+ return from_frame->n_vectors;
+}
+
+always_inline uword
+lookup_ip4_dst_mcast (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return (lookup_dpo_ip_dst_mcast_inline(vm, node, from_frame, 1));
+}
+
+VLIB_REGISTER_NODE (lookup_ip4_dst_mcast_node) = {
+ .function = lookup_ip4_dst_mcast,
+ .name = "lookup-ip4-dst-mcast",
+ .vector_size = sizeof (u32),
+
+ .format_trace = format_lookup_trace,
+ .n_next_nodes = LOOKUP_IP_DST_MCAST_N_NEXT,
+ .next_nodes = {
+ [LOOKUP_IP_DST_MCAST_NEXT_RPF] = "ip4-mfib-forward-rpf",
+ },
+};
+VLIB_NODE_FUNCTION_MULTIARCH (lookup_ip4_dst_mcast_node,
+ lookup_ip4_dst_mcast)
+
static void
lookup_dpo_mem_show (void)
{
@@ -1129,6 +1296,22 @@ const static char* const * const lookup_dst_nodes[DPO_PROTO_NUM] =
[DPO_PROTO_MPLS] = lookup_dst_mpls_nodes,
};
+const static char* const lookup_dst_mcast_ip4_nodes[] =
+{
+ "lookup-ip4-dst-mcast",
+ NULL,
+};
+const static char* const lookup_dst_mcast_ip6_nodes[] =
+{
+ "lookup-ip6-dst-mcast",
+ NULL,
+};
+const static char* const * const lookup_dst_mcast_nodes[DPO_PROTO_NUM] =
+{
+ [DPO_PROTO_IP4] = lookup_dst_mcast_ip4_nodes,
+ [DPO_PROTO_IP6] = lookup_dst_mcast_ip6_nodes,
+};
+
const static char* const lookup_dst_from_interface_ip4_nodes[] =
{
"lookup-ip4-dst-itf",
@@ -1168,6 +1351,8 @@ lookup_dpo_module_init (void)
dpo_register_new_type(&lkd_vft, lookup_src_nodes);
lookup_dpo_sub_types[LOOKUP_SUB_TYPE_DST] =
dpo_register_new_type(&lkd_vft, lookup_dst_nodes);
+ lookup_dpo_sub_types[LOOKUP_SUB_TYPE_DST_MCAST] =
+ dpo_register_new_type(&lkd_vft, lookup_dst_mcast_nodes);
lookup_dpo_sub_types[LOOKUP_SUB_TYPE_DST_TABLE_FROM_INTERFACE] =
dpo_register_new_type(&lkd_vft, lookup_dst_from_interface_nodes);
}