- {
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0 = ACL_NEXT_INDEX_DENY;
- u32 table_index0;
- vnet_classify_table_t * t0;
- vnet_classify_entry_t * e0;
- u64 hash0;
- u8 * h0;
- u8 error0;
-
- /* Stride 3 seems to work best */
- if (PREDICT_TRUE (n_left_from > 3))
- {
- vlib_buffer_t * p1 = vlib_get_buffer(vm, from[3]);
- vnet_classify_table_t * tp1;
- u32 table_index1;
- u64 phash1;
-
- table_index1 = vnet_buffer(p1)->l2_classify.table_index;
-
- if (PREDICT_TRUE (table_index1 != ~0))
- {
- tp1 = pool_elt_at_index (vcm->tables, table_index1);
- phash1 = vnet_buffer(p1)->l2_classify.hash;
- vnet_classify_prefetch_entry (tp1, phash1);
- }
- }
-
- /* speculatively enqueue b0 to the current next frame */
- 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);
- h0 = b0->data;
- table_index0 = vnet_buffer(b0)->l2_classify.table_index;
- e0 = 0;
- t0 = 0;
-
- /* Feature bitmap update */
- vnet_buffer(b0)->l2.feature_bitmap &= ~L2INPUT_FEAT_ACL;
-
- vnet_buffer(b0)->l2_classify.opaque_index = ~0;
- /* Determine the next node */
- next0 = feat_bitmap_get_next_node_index(msm->feat_next_node_index,
- vnet_buffer(b0)->l2.feature_bitmap);
-
- if (PREDICT_TRUE(table_index0 != ~0))
- {
- hash0 = vnet_buffer(b0)->l2_classify.hash;
- t0 = pool_elt_at_index (vcm->tables, table_index0);
-
- e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0,
- now);
- if (e0)
- {
- vnet_buffer(b0)->l2_classify.opaque_index
- = e0->opaque_index;
- vlib_buffer_advance (b0, e0->advance);
-
- next0 = (e0->next_index < ACL_NEXT_INDEX_N_NEXT)?
- e0->next_index:next0;
-
- hits++;
-
- error0 = (next0 == ACL_NEXT_INDEX_DENY)?
- L2_INACL_ERROR_SESSION_DENY:L2_INACL_ERROR_NONE;
- b0->error = node->errors[error0];
- }
- else
- {
- while (1)
- {
- if (PREDICT_TRUE(t0->next_table_index != ~0))
- t0 = pool_elt_at_index (vcm->tables,
- t0->next_table_index);
- else
- {
- next0 = (t0->miss_next_index < ACL_NEXT_INDEX_N_NEXT)?
- t0->miss_next_index:next0;
-
- misses++;
-
- error0 = (next0 == ACL_NEXT_INDEX_DENY)?
- L2_INACL_ERROR_TABLE_MISS:L2_INACL_ERROR_NONE;
- b0->error = node->errors[error0];
- break;
- }
-
- hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
- e0 = vnet_classify_find_entry
- (t0, (u8 *) h0, hash0, now);
- if (e0)
- {
- vlib_buffer_advance (b0, e0->advance);
- next0 = (e0->next_index < ACL_NEXT_INDEX_N_NEXT)?
- e0->next_index:next0;
- hits++;
- chain_hits++;
-
- error0 = (next0 == ACL_NEXT_INDEX_DENY)?
- L2_INACL_ERROR_SESSION_DENY:L2_INACL_ERROR_NONE;
- b0->error = node->errors[error0];
- break;
- }
- }
- }
- }
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- l2_inacl_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- t->next_index = next0;
- t->table_index = t0 ? t0 - vcm->tables : ~0;
- t->offset = e0 ? vnet_classify_get_offset (t0, e0): ~0;
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0 = ACL_NEXT_INDEX_DENY;
+ u32 table_index0;
+ vnet_classify_table_t *t0;
+ vnet_classify_entry_t *e0;
+ u64 hash0;
+ u8 *h0;
+ u8 error0;
+
+ /* Stride 3 seems to work best */
+ if (PREDICT_TRUE (n_left_from > 3))
+ {
+ vlib_buffer_t *p1 = vlib_get_buffer (vm, from[3]);
+ vnet_classify_table_t *tp1;
+ u32 table_index1;
+ u64 phash1;
+
+ table_index1 = vnet_buffer (p1)->l2_classify.table_index;
+
+ if (PREDICT_TRUE (table_index1 != ~0))
+ {
+ tp1 = pool_elt_at_index (vcm->tables, table_index1);
+ phash1 = vnet_buffer (p1)->l2_classify.hash;
+ vnet_classify_prefetch_entry (tp1, phash1);
+ }
+ }
+
+ /* speculatively enqueue b0 to the current next frame */
+ 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);
+ h0 = b0->data;
+ table_index0 = vnet_buffer (b0)->l2_classify.table_index;
+ e0 = 0;
+ t0 = 0;
+
+ /* Feature bitmap update */
+ vnet_buffer (b0)->l2.feature_bitmap &= ~L2INPUT_FEAT_ACL;
+
+ vnet_buffer (b0)->l2_classify.opaque_index = ~0;
+ /* Determine the next node */
+ next0 = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
+ vnet_buffer (b0)->
+ l2.feature_bitmap);
+
+ if (PREDICT_TRUE (table_index0 != ~0))
+ {
+ hash0 = vnet_buffer (b0)->l2_classify.hash;
+ t0 = pool_elt_at_index (vcm->tables, table_index0);
+
+ e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+ if (e0)
+ {
+ vnet_buffer (b0)->l2_classify.opaque_index
+ = e0->opaque_index;
+ vlib_buffer_advance (b0, e0->advance);
+
+ next0 = (e0->next_index < ACL_NEXT_INDEX_N_NEXT) ?
+ e0->next_index : next0;
+
+ hits++;
+
+ error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
+ L2_INACL_ERROR_SESSION_DENY : L2_INACL_ERROR_NONE;
+ b0->error = node->errors[error0];
+ }
+ else
+ {
+ while (1)
+ {
+ if (PREDICT_TRUE (t0->next_table_index != ~0))
+ t0 = pool_elt_at_index (vcm->tables,
+ t0->next_table_index);
+ else
+ {
+ next0 =
+ (t0->miss_next_index <
+ ACL_NEXT_INDEX_N_NEXT) ? t0->miss_next_index :
+ next0;
+
+ misses++;
+
+ error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
+ L2_INACL_ERROR_TABLE_MISS : L2_INACL_ERROR_NONE;
+ b0->error = node->errors[error0];
+ break;
+ }
+
+ hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
+ e0 = vnet_classify_find_entry
+ (t0, (u8 *) h0, hash0, now);
+ if (e0)
+ {
+ vlib_buffer_advance (b0, e0->advance);
+ next0 = (e0->next_index < ACL_NEXT_INDEX_N_NEXT) ?
+ e0->next_index : next0;
+ hits++;
+ chain_hits++;
+
+ error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
+ L2_INACL_ERROR_SESSION_DENY : L2_INACL_ERROR_NONE;
+ b0->error = node->errors[error0];
+ break;
+ }
+ }
+ }
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_inacl_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ t->next_index = next0;
+ t->table_index = t0 ? t0 - vcm->tables : ~0;
+ t->offset = (t0 && e0) ? vnet_classify_get_offset (t0, e0) : ~0;
+ }
+
+ /* verify speculative enqueue, maybe switch current next frame */
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, next0);
+ }