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Diffstat (limited to 'src/vnet/ip/reass/ip4_sv_reass.c')
-rw-r--r--src/vnet/ip/reass/ip4_sv_reass.c120
1 files changed, 78 insertions, 42 deletions
diff --git a/src/vnet/ip/reass/ip4_sv_reass.c b/src/vnet/ip/reass/ip4_sv_reass.c
index 7c3c2fff217..ad8f178ab13 100644
--- a/src/vnet/ip/reass/ip4_sv_reass.c
+++ b/src/vnet/ip/reass/ip4_sv_reass.c
@@ -150,6 +150,7 @@ typedef struct
/** Worker handoff */
u32 fq_index;
u32 fq_feature_index;
+ u32 fq_output_feature_index;
u32 fq_custom_context_index;
// reference count for enabling/disabling feature - per interface
@@ -506,16 +507,14 @@ ip4_sv_reass_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
clib_prefetch_load (p3->data);
}
- ip4_header_t *ip0 =
- (ip4_header_t *) u8_ptr_add (vlib_buffer_get_current (b0),
- (is_output_feature ? 1 : 0) *
- vnet_buffer (b0)->
- ip.save_rewrite_length);
- ip4_header_t *ip1 =
- (ip4_header_t *) u8_ptr_add (vlib_buffer_get_current (b1),
- (is_output_feature ? 1 : 0) *
- vnet_buffer (b1)->
- ip.save_rewrite_length);
+ ip4_header_t *ip0 = (ip4_header_t *) u8_ptr_add (
+ vlib_buffer_get_current (b0),
+ (ptrdiff_t) (is_output_feature ? 1 : 0) *
+ vnet_buffer (b0)->ip.save_rewrite_length);
+ ip4_header_t *ip1 = (ip4_header_t *) u8_ptr_add (
+ vlib_buffer_get_current (b1),
+ (ptrdiff_t) (is_output_feature ? 1 : 0) *
+ vnet_buffer (b1)->ip.save_rewrite_length);
if (PREDICT_FALSE
(ip4_get_fragment_more (ip0) || ip4_get_fragment_offset (ip0))
@@ -638,11 +637,10 @@ ip4_sv_reass_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
b0 = *b;
b++;
- ip4_header_t *ip0 =
- (ip4_header_t *) u8_ptr_add (vlib_buffer_get_current (b0),
- (is_output_feature ? 1 : 0) *
- vnet_buffer (b0)->
- ip.save_rewrite_length);
+ ip4_header_t *ip0 = (ip4_header_t *) u8_ptr_add (
+ vlib_buffer_get_current (b0),
+ (ptrdiff_t) (is_output_feature ? 1 : 0) *
+ vnet_buffer (b0)->ip.save_rewrite_length);
if (PREDICT_FALSE
(ip4_get_fragment_more (ip0) || ip4_get_fragment_offset (ip0)))
{
@@ -736,11 +734,10 @@ slow_path:
bi0 = from[0];
b0 = vlib_get_buffer (vm, bi0);
- ip4_header_t *ip0 =
- (ip4_header_t *) u8_ptr_add (vlib_buffer_get_current (b0),
- (is_output_feature ? 1 : 0) *
- vnet_buffer (b0)->
- ip.save_rewrite_length);
+ ip4_header_t *ip0 = (ip4_header_t *) u8_ptr_add (
+ vlib_buffer_get_current (b0),
+ (ptrdiff_t) (is_output_feature ? 1 : 0) *
+ vnet_buffer (b0)->ip.save_rewrite_length);
if (!ip4_get_fragment_more (ip0) && !ip4_get_fragment_offset (ip0))
{
// this is a regular packet - no fragmentation
@@ -899,11 +896,10 @@ slow_path:
{
u32 bi0 = vec_elt (reass->cached_buffers, idx);
vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0);
- ip0 =
- (ip4_header_t *) u8_ptr_add (vlib_buffer_get_current (b0),
- (is_output_feature ? 1 : 0) *
- vnet_buffer (b0)->
- ip.save_rewrite_length);
+ ip0 = (ip4_header_t *) u8_ptr_add (
+ vlib_buffer_get_current (b0),
+ (ptrdiff_t) (is_output_feature ? 1 : 0) *
+ vnet_buffer (b0)->ip.save_rewrite_length);
u32 next0 = IP4_SV_REASSEMBLY_NEXT_INPUT;
if (is_feature)
{
@@ -1054,7 +1050,6 @@ VLIB_NODE_FN (ip4_sv_reass_node_output_feature) (vlib_main_t * vm,
false /* is_custom */, false /* with_custom_context */);
}
-
VLIB_REGISTER_NODE (ip4_sv_reass_node_output_feature) = {
.name = "ip4-sv-reassembly-output-feature",
.vector_size = sizeof (u32),
@@ -1066,7 +1061,7 @@ VLIB_REGISTER_NODE (ip4_sv_reass_node_output_feature) = {
{
[IP4_SV_REASSEMBLY_NEXT_INPUT] = "ip4-input",
[IP4_SV_REASSEMBLY_NEXT_DROP] = "ip4-drop",
- [IP4_SV_REASSEMBLY_NEXT_HANDOFF] = "ip4-sv-reass-feature-hoff",
+ [IP4_SV_REASSEMBLY_NEXT_HANDOFF] = "ip4-sv-reass-output-feature-hoff",
},
};
@@ -1200,7 +1195,7 @@ ip4_sv_reass_set (u32 timeout_ms, u32 max_reassemblies,
ctx.failure = 0;
ctx.new_hash = &new_hash;
clib_bihash_init_16_8 (&new_hash, "ip4-dr", new_nbuckets,
- new_nbuckets * 1024);
+ (uword) new_nbuckets * 1024);
clib_bihash_foreach_key_value_pair_16_8 (&ip4_sv_reass_main.hash,
ip4_rehash_cb, &ctx);
if (ctx.failure)
@@ -1260,7 +1255,8 @@ ip4_sv_reass_init_function (vlib_main_t * vm)
IP4_SV_REASS_EXPIRE_WALK_INTERVAL_DEFAULT_MS);
nbuckets = ip4_sv_reass_get_nbuckets ();
- clib_bihash_init_16_8 (&rm->hash, "ip4-dr", nbuckets, nbuckets * 1024);
+ clib_bihash_init_16_8 (&rm->hash, "ip4-dr", nbuckets,
+ (uword) nbuckets * 1024);
node = vlib_get_node_by_name (vm, (u8 *) "ip4-drop");
ASSERT (node);
@@ -1269,6 +1265,8 @@ ip4_sv_reass_init_function (vlib_main_t * vm)
rm->fq_index = vlib_frame_queue_main_init (ip4_sv_reass_node.index, 0);
rm->fq_feature_index =
vlib_frame_queue_main_init (ip4_sv_reass_node_feature.index, 0);
+ rm->fq_output_feature_index =
+ vlib_frame_queue_main_init (ip4_sv_reass_node_output_feature.index, 0);
rm->fq_custom_context_index =
vlib_frame_queue_main_init (ip4_sv_reass_custom_context_node.index, 0);
@@ -1504,20 +1502,26 @@ format_ip4_sv_reass_handoff_trace (u8 * s, va_list * args)
return s;
}
+struct ip4_sv_reass_hoff_args
+{
+ bool is_feature;
+ bool is_output_feature;
+ bool is_custom_context;
+};
+
always_inline uword
ip4_sv_reass_handoff_node_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
- vlib_frame_t *frame, bool is_feature,
- bool is_custom_context)
+ vlib_frame_t *frame,
+ struct ip4_sv_reass_hoff_args a)
{
ip4_sv_reass_main_t *rm = &ip4_sv_reass_main;
vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
u32 n_enq, n_left_from, *from, *context;
u16 thread_indices[VLIB_FRAME_SIZE], *ti;
- u32 fq_index;
from = vlib_frame_vector_args (frame);
- if (is_custom_context)
+ if (a.is_custom_context)
context = vlib_frame_aux_args (frame);
n_left_from = frame->n_vectors;
@@ -1526,9 +1530,10 @@ ip4_sv_reass_handoff_node_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
b = bufs;
ti = thread_indices;
- fq_index = (is_feature) ? rm->fq_feature_index :
- (is_custom_context ? rm->fq_custom_context_index :
- rm->fq_index);
+ const u32 fq_index = a.is_output_feature ? rm->fq_output_feature_index :
+ a.is_feature ? rm->fq_feature_index :
+ a.is_custom_context ? rm->fq_custom_context_index :
+ rm->fq_index;
while (n_left_from > 0)
{
@@ -1547,7 +1552,7 @@ ip4_sv_reass_handoff_node_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
ti += 1;
b += 1;
}
- if (is_custom_context)
+ if (a.is_custom_context)
n_enq = vlib_buffer_enqueue_to_thread_with_aux (
vm, node, fq_index, from, context, thread_indices, frame->n_vectors, 1);
else
@@ -1566,10 +1571,12 @@ VLIB_NODE_FN (ip4_sv_reass_handoff_node) (vlib_main_t * vm,
vlib_frame_t * frame)
{
return ip4_sv_reass_handoff_node_inline (
- vm, node, frame, false /* is_feature */, false /* is_custom_context */);
+ vm, node, frame,
+ (struct ip4_sv_reass_hoff_args){ .is_feature = false,
+ .is_output_feature = false,
+ .is_custom_context = false });
}
-
VLIB_REGISTER_NODE (ip4_sv_reass_handoff_node) = {
.name = "ip4-sv-reassembly-handoff",
.vector_size = sizeof (u32),
@@ -1588,7 +1595,10 @@ VLIB_NODE_FN (ip4_sv_reass_custom_context_handoff_node)
(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
return ip4_sv_reass_handoff_node_inline (
- vm, node, frame, false /* is_feature */, true /* is_custom_context */);
+ vm, node, frame,
+ (struct ip4_sv_reass_hoff_args){ .is_feature = false,
+ .is_output_feature = false,
+ .is_custom_context = true });
}
VLIB_REGISTER_NODE (ip4_sv_reass_custom_context_handoff_node) = {
@@ -1612,10 +1622,12 @@ VLIB_NODE_FN (ip4_sv_reass_feature_handoff_node) (vlib_main_t * vm,
vlib_frame_t * frame)
{
return ip4_sv_reass_handoff_node_inline (
- vm, node, frame, true /* is_feature */, false /* is_custom_context */);
+ vm, node, frame,
+ (struct ip4_sv_reass_hoff_args){ .is_feature = true,
+ .is_output_feature = false,
+ .is_custom_context = false });
}
-
VLIB_REGISTER_NODE (ip4_sv_reass_feature_handoff_node) = {
.name = "ip4-sv-reass-feature-hoff",
.vector_size = sizeof (u32),
@@ -1630,6 +1642,30 @@ VLIB_REGISTER_NODE (ip4_sv_reass_feature_handoff_node) = {
},
};
+VLIB_NODE_FN (ip4_sv_reass_output_feature_handoff_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
+{
+ return ip4_sv_reass_handoff_node_inline (
+ vm, node, frame,
+ (struct ip4_sv_reass_hoff_args){ .is_feature = false,
+ .is_output_feature = true,
+ .is_custom_context = false });
+}
+
+VLIB_REGISTER_NODE (ip4_sv_reass_output_feature_handoff_node) = {
+ .name = "ip4-sv-reass-output-feature-hoff",
+ .vector_size = sizeof (u32),
+ .n_errors = ARRAY_LEN(ip4_sv_reass_handoff_error_strings),
+ .error_strings = ip4_sv_reass_handoff_error_strings,
+ .format_trace = format_ip4_sv_reass_handoff_trace,
+
+ .n_next_nodes = 1,
+
+ .next_nodes = {
+ [0] = "error-drop",
+ },
+};
+
#ifndef CLIB_MARCH_VARIANT
int
ip4_sv_reass_enable_disable_with_refcnt (u32 sw_if_index, int is_enable)