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-rw-r--r--src/plugins/acl/acl.c6
-rw-r--r--src/plugins/acl/acl.h5
-rw-r--r--src/plugins/acl/l2sess.c16
-rw-r--r--src/plugins/acl/l2sess.h3
-rw-r--r--src/plugins/acl/l2sess_node.c73
-rw-r--r--src/plugins/acl/node_in.c2
-rw-r--r--src/plugins/acl/node_out.c16
-rw-r--r--src/vnet/l2/l2_input.c3
-rw-r--r--src/vnet/l2/l2_output.h15
-rw-r--r--src/vnet/l2/l2_output_classify.c2
10 files changed, 53 insertions, 88 deletions
diff --git a/src/plugins/acl/acl.c b/src/plugins/acl/acl.c
index 85c9113b25b..3fe084b49b9 100644
--- a/src/plugins/acl/acl.c
+++ b/src/plugins/acl/acl.c
@@ -1883,7 +1883,11 @@ acl_setup_nodes (void)
feat_bitmap_init_next_nodes (vm, acl_in_node.index, L2INPUT_N_FEAT,
l2input_get_feat_names (),
- am->acl_in_node_input_next_node_index);
+ am->acl_in_node_feat_next_node_index);
+
+ feat_bitmap_init_next_nodes (vm, acl_out_node.index, L2OUTPUT_N_FEAT,
+ l2output_get_feat_names (),
+ am->acl_out_node_feat_next_node_index);
memset (&am->acl_in_ip4_match_next[0], 0,
sizeof (am->acl_in_ip4_match_next));
diff --git a/src/plugins/acl/acl.h b/src/plugins/acl/acl.h
index 62046788660..0252ff388d8 100644
--- a/src/plugins/acl/acl.h
+++ b/src/plugins/acl/acl.h
@@ -122,9 +122,8 @@ typedef struct {
u32 l2_output_classify_next_acl;
/* next node indices for feature bitmap */
- u32 acl_in_node_input_next_node_index[32];
- /* the respective thing for the output feature */
- l2_output_next_nodes_st acl_out_output_next_nodes;
+ u32 acl_in_node_feat_next_node_index[32];
+ u32 acl_out_node_feat_next_node_index[32];
/* ACL match actions (must be coherent across in/out ACLs to next indices (can differ) */
diff --git a/src/plugins/acl/l2sess.c b/src/plugins/acl/l2sess.c
index b0385be13df..7a1567fbd1b 100644
--- a/src/plugins/acl/l2sess.c
+++ b/src/plugins/acl/l2sess.c
@@ -31,10 +31,18 @@
#include <vnet/l2/l2_input.h>
void
-l2sess_init_next_features_input (vlib_main_t * vm, l2sess_main_t * sm)
+l2sess_init_next_features (vlib_main_t * vm, l2sess_main_t * sm)
{
-#define _(node_name, node_var, is_out, is_ip6, is_track) \
- if (!is_out) feat_bitmap_init_next_nodes(vm, node_var.index, L2INPUT_N_FEAT, l2input_get_feat_names (), sm->node_var ## _input_next_node_index);
+#define _(node_name, node_var, is_out, is_ip6, is_track) \
+ if (is_out) \
+ feat_bitmap_init_next_nodes(vm, node_var.index, L2OUTPUT_N_FEAT, \
+ l2output_get_feat_names (), \
+ sm->node_var ## _feat_next_node_index); \
+ else \
+ feat_bitmap_init_next_nodes(vm, node_var.index, L2INPUT_N_FEAT, \
+ l2input_get_feat_names (), \
+ sm->node_var ## _feat_next_node_index);
+
foreach_l2sess_node
#undef _
}
@@ -62,7 +70,7 @@ l2sess_setup_nodes (void)
vlib_main_t *vm = vlib_get_main ();
l2sess_main_t *sm = &l2sess_main;
- l2sess_init_next_features_input (vm, sm);
+ l2sess_init_next_features (vm, sm);
l2sess_add_our_next_nodes (vm, sm, (u8 *) "l2-input-classify", 0);
l2sess_add_our_next_nodes (vm, sm, (u8 *) "l2-output-classify", 1);
diff --git a/src/plugins/acl/l2sess.h b/src/plugins/acl/l2sess.h
index 888b53011dd..961c08c8749 100644
--- a/src/plugins/acl/l2sess.h
+++ b/src/plugins/acl/l2sess.h
@@ -95,8 +95,7 @@ typedef struct {
* on whether the node is an input or output one.
*/
#define _(node_name, node_var, is_out, is_ip6, is_track) \
- u32 node_var ## _input_next_node_index[32]; \
- l2_output_next_nodes_st node_var ## _next_nodes;
+ u32 node_var ## _feat_next_node_index[32];
foreach_l2sess_node
#undef _
l2_output_next_nodes_st output_next_nodes;
diff --git a/src/plugins/acl/l2sess_node.c b/src/plugins/acl/l2sess_node.c
index 520e5929b4b..689d216dea1 100644
--- a/src/plugins/acl/l2sess_node.c
+++ b/src/plugins/acl/l2sess_node.c
@@ -526,13 +526,13 @@ check_idle_sessions (l2sess_main_t * sm, u32 sw_if_index, u64 now)
static uword
l2sess_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame,
+ int node_is_out, int node_is_ip6, int node_is_track,
+ u32 *feat_next_node_index)
{
u32 n_left_from, *from, *to_next;
l2sess_next_t next_index;
u32 pkts_swapped = 0;
- u32 cached_sw_if_index = (u32) ~ 0;
- u32 cached_next_index = (u32) ~ 0;
u32 feature_bitmap0;
u32 trace_flags0;
@@ -570,45 +570,19 @@ l2sess_node_fn (vlib_main_t * vm,
//en0 = vlib_buffer_get_current (b0);
/*
- * The non-boilerplate is in the block below.
- * Note first a magic macro block that sets up the behavior qualifiers:
* node_is_out : 1 = is output, 0 = is input
* node_is_ip6 : 1 = is ip6, 0 = is ip4
* node_is_track : 1 = is a state tracking node, 0 - is a session addition node
*
- * Subsequently the code adjusts its behavior depending on these variables.
- * It's most probably not great performance wise but much easier to work with.
- *
+ * The below code adjust the behavior according to these parameters.
*/
{
- int node_is_out = -1;
- CLIB_UNUSED (int node_is_ip6) = -1;
- CLIB_UNUSED (int node_is_track) = -1;
- u32 node_index = 0;
u32 session_tables[2] = { ~0, ~0 };
u32 session_nexts[2] = { ~0, ~0 };
- l2_output_next_nodes_st *next_nodes = 0;
- u32 *input_feat_next_node_index;
u8 l4_proto;
u64 now = clib_cpu_time_now ();
-/*
- * Set the variables according to which of the 8 nodes we are.
- * Hopefully the compiler is smart enough to eliminate the extraneous.
- */
-#define _(node_name, node_var, is_out, is_ip6, is_track) \
-if(node_var.index == node->node_index) \
- { \
- node_is_out = is_out; \
- node_is_ip6 = is_ip6; \
- node_is_track = is_track; \
- node_index = node_var.index; \
- next_nodes = &sm->node_var ## _next_nodes; \
- input_feat_next_node_index = sm->node_var ## _input_next_node_index; \
- }
- foreach_l2sess_node
-#undef _
- trace_flags0 = 0;
+ trace_flags0 = 0;
if (node_is_out)
{
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
@@ -715,38 +689,8 @@ if(node_var.index == node->node_index) \
check_idle_sessions (sm, sw_if_index0, now);
}
- if (node_is_out)
- {
- if (feature_bitmap0)
- {
- trace_flags0 |= 0x10;
- }
- if (sw_if_index0 == cached_sw_if_index)
- {
- trace_flags0 |= 0x20;
- }
- l2_output_dispatch (sm->vlib_main,
- sm->vnet_main,
- node,
- node_index,
- &cached_sw_if_index,
- &cached_next_index,
- next_nodes,
- b0, sw_if_index0, feature_bitmap0,
- &next0);
- trace_flags0 |= 2;
-
- }
- else
- {
- next0 =
- feat_bitmap_get_next_node_index (input_feat_next_node_index,
+ next0 = feat_bitmap_get_next_node_index (feat_next_node_index,
feature_bitmap0);
- trace_flags0 |= 4;
-
- }
-
-
if (next0 >= node->n_next_nodes)
{
@@ -795,7 +739,10 @@ node_var ## node_fn (vlib_main_t * vm, \
vlib_node_runtime_t * node, \
vlib_frame_t * frame) \
{ \
- return l2sess_node_fn(vm, node, frame); \
+ l2sess_main_t *sm = &l2sess_main; \
+ return l2sess_node_fn(vm, node, frame, \
+ is_out, is_ip6, is_track, \
+ sm->node_var ## _feat_next_node_index); \
} \
VLIB_REGISTER_NODE (node_var) = { \
.function = node_var ## node_fn, \
diff --git a/src/plugins/acl/node_in.c b/src/plugins/acl/node_in.c
index 2a5199a9ab8..95802df5fbc 100644
--- a/src/plugins/acl/node_in.c
+++ b/src/plugins/acl/node_in.c
@@ -73,7 +73,7 @@ acl_in_node_fn (vlib_main_t * vm,
u32 feature_bitmap0;
u32 trace_bitmap = 0;
u32 *input_feat_next_node_index =
- acl_main.acl_in_node_input_next_node_index;
+ acl_main.acl_in_node_feat_next_node_index;
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
diff --git a/src/plugins/acl/node_out.c b/src/plugins/acl/node_out.c
index 50af3679b6e..cbec3b9a89d 100644
--- a/src/plugins/acl/node_out.c
+++ b/src/plugins/acl/node_out.c
@@ -68,13 +68,12 @@ acl_out_node_fn (vlib_main_t * vm,
vlib_node_runtime_t * node, vlib_frame_t * frame)
{
acl_main_t *am = &acl_main;
- l2_output_next_nodes_st *next_nodes = &am->acl_out_output_next_nodes;
+ u32 *output_feat_next_node_index =
+ am->acl_out_node_feat_next_node_index;
u32 n_left_from, *from, *to_next;
acl_out_next_t next_index;
u32 pkts_acl_checked = 0;
u32 feature_bitmap0;
- u32 cached_sw_if_index = (u32) ~ 0;
- u32 cached_next_index = (u32) ~ 0;
u32 match_acl_index = ~0;
u32 match_rule_index = ~0;
u32 trace_bitmap = 0;
@@ -119,14 +118,9 @@ acl_out_node_fn (vlib_main_t * vm,
}
if (next0 == ~0)
{
- l2_output_dispatch (vm,
- am->vnet_main,
- node,
- acl_out_node.index,
- &cached_sw_if_index,
- &cached_next_index,
- next_nodes,
- b0, sw_if_index0, feature_bitmap0, &next0);
+ next0 =
+ feat_bitmap_get_next_node_index (output_feat_next_node_index,
+ feature_bitmap0);
}
diff --git a/src/vnet/l2/l2_input.c b/src/vnet/l2/l2_input.c
index fbd75f222e0..3aa5331bf7a 100644
--- a/src/vnet/l2/l2_input.c
+++ b/src/vnet/l2/l2_input.c
@@ -703,10 +703,11 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */
shg = 0; /* not used in xconnect */
}
- /* set up split-horizon group */
+ /* set up split-horizon group and set output feature bit */
config->shg = shg;
out_config = l2output_intf_config (sw_if_index);
out_config->shg = shg;
+ out_config->feature_bitmap |= L2OUTPUT_FEAT_OUTPUT;
/*
* Test: remove this when non-IP features can be configured.
diff --git a/src/vnet/l2/l2_output.h b/src/vnet/l2/l2_output.h
index c683b1ade73..9597205caed 100644
--- a/src/vnet/l2/l2_output.h
+++ b/src/vnet/l2/l2_output.h
@@ -94,6 +94,7 @@ l2output_main_t l2output_main;
/* Mappings from feature ID to graph node name */
#define foreach_l2output_feat \
+ _(OUTPUT, "interface-output") \
_(SPAN, "feature-bitmap-drop") \
_(CFM, "feature-bitmap-drop") \
_(QOS, "feature-bitmap-drop") \
@@ -217,9 +218,21 @@ l2_output_dispatch (vlib_main_t * vlib_main,
vlib_buffer_t * b0,
u32 sw_if_index, u32 feature_bitmap, u32 * next0)
{
- if (feature_bitmap)
+ /*
+ * The output feature bitmap always have at least the output feature bit set
+ * for a normal L2 interface (or all 0's if the interface is changed from L2
+ * to L3 mode). So if next_nodes specified is that from the l2-output node and
+ * the bitmap is all clear except output feature bit, we know there is no more
+ * feature and will fall through to output packet. If next_nodes is from a L2
+ * output feature node (and not l2-output), we always want to get the node for
+ * the next L2 output feature, including the last feature being interface-
+ * output node to output packet.
+ */
+ if ((next_nodes != &l2output_main.next_nodes)
+ || ((feature_bitmap & ~L2OUTPUT_FEAT_OUTPUT) != 0))
{
/* There are some features to execute */
+ ASSERT (feature_bitmap != 0);
/* Save bitmap for the next feature graph nodes */
vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap;
diff --git a/src/vnet/l2/l2_output_classify.c b/src/vnet/l2/l2_output_classify.c
index 27d5eb39514..832be1a11c0 100644
--- a/src/vnet/l2/l2_output_classify.c
+++ b/src/vnet/l2/l2_output_classify.c
@@ -493,7 +493,7 @@ l2_output_classify_init (vlib_main_t * vm)
l2_output_classify_node.index,
L2OUTPUT_N_FEAT,
l2output_get_feat_names (),
- cm->feat_next_node_index);
+ cm->next_nodes.feat_next_node_index);
rt->l2cm = cm;
rt->vcm = cm->vnet_classify_main;