- {
- ops = cwm->ops;
- n_ops = rte_cryptodev_dequeue_burst (res->dev_id,
- res->qp_id + outbound,
- ops, VLIB_FRAME_SIZE);
- res->inflights[outbound] -= n_ops;
- ASSERT (res->inflights >= 0);
-
- n_deq = n_ops;
- total_n_deq += n_ops;
-
- while (n_ops > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
- while (n_ops > 0 && n_left_to_next > 0)
- {
- u32 bi0, next0;
- vlib_buffer_t *b0 = 0;
- struct rte_crypto_op *op;
-
- op = ops[0];
- ops += 1;
- n_ops -= 1;
- n_left_to_next -= 1;
-
- dpdk_op_priv_t *priv = crypto_op_get_priv (op);
- next0 = priv->next;
-
- if (PREDICT_FALSE (op->status != RTE_CRYPTO_OP_STATUS_SUCCESS))
- {
- next0 = DPDK_CRYPTO_INPUT_NEXT_DROP;
- vlib_node_increment_counter (vm,
- dpdk_crypto_input_node.index,
- DPDK_CRYPTO_INPUT_ERROR_STATUS,
- 1);
- }
-
- /* XXX store bi0 and next0 in op private? */
-
- b0 = vlib_buffer_from_rte_mbuf (op->sym[0].m_src);
- bi0 = vlib_get_buffer_index (vm, b0);
-
- to_next[0] = bi0;
- to_next += 1;
-
- if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- vlib_trace_next_frame (vm, node, next0);
- dpdk_crypto_input_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->status = op->status;
- }
-
- op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
-
- 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);
- }
-
- crypto_free_ops (numa, cwm->ops, n_deq);
- }
-
- vlib_node_increment_counter (vm, dpdk_crypto_input_node.index,
- DPDK_CRYPTO_INPUT_ERROR_DQ_COPS, total_n_deq);
- return total_n_deq;
+ n_ops = n_deq = rte_cryptodev_dequeue_burst (res->dev_id,
+ res->qp_id + outbound,
+ ops, VLIB_FRAME_SIZE);
+
+ res->inflights[outbound] -= n_ops;
+
+ dpdk_crypto_input_trace (vm, node, ops, n_deq);
+
+ while (n_ops >= 4)
+ {
+ struct rte_crypto_op *op0, *op1, *op2, *op3;
+ vlib_buffer_t *b0, *b1, *b2, *b3;
+
+ /* Prefetch next iteration. */
+ if (n_ops >= 8)
+ {
+ CLIB_PREFETCH (ops[4], CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (ops[5], CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (ops[6], CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (ops[7], CLIB_CACHE_LINE_BYTES, LOAD);
+
+ CLIB_PREFETCH (crypto_op_get_priv (ops[4]), CLIB_CACHE_LINE_BYTES,
+ LOAD);
+ CLIB_PREFETCH (crypto_op_get_priv (ops[5]), CLIB_CACHE_LINE_BYTES,
+ LOAD);
+ CLIB_PREFETCH (crypto_op_get_priv (ops[6]), CLIB_CACHE_LINE_BYTES,
+ LOAD);
+ CLIB_PREFETCH (crypto_op_get_priv (ops[7]), CLIB_CACHE_LINE_BYTES,
+ LOAD);
+ }
+
+ op0 = ops[0];
+ op1 = ops[1];
+ op2 = ops[2];
+ op3 = ops[3];
+
+ next[0] = crypto_op_get_priv (op0)->next;
+ next[1] = crypto_op_get_priv (op1)->next;
+ next[2] = crypto_op_get_priv (op2)->next;
+ next[3] = crypto_op_get_priv (op3)->next;
+
+ dpdk_crypto_check_check_op (vm, node, op0, next + 0);
+ dpdk_crypto_check_check_op (vm, node, op0, next + 1);
+ dpdk_crypto_check_check_op (vm, node, op0, next + 2);
+ dpdk_crypto_check_check_op (vm, node, op0, next + 3);
+
+ b0 = vlib_buffer_from_rte_mbuf (op0->sym[0].m_src);
+ b1 = vlib_buffer_from_rte_mbuf (op1->sym[0].m_src);
+ b2 = vlib_buffer_from_rte_mbuf (op2->sym[0].m_src);
+ b3 = vlib_buffer_from_rte_mbuf (op3->sym[0].m_src);
+
+ bi[0] = vlib_get_buffer_index (vm, b0);
+ bi[1] = vlib_get_buffer_index (vm, b1);
+ bi[2] = vlib_get_buffer_index (vm, b2);
+ bi[3] = vlib_get_buffer_index (vm, b3);
+
+ op0->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ op1->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ op2->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ op3->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+
+ /* next */
+ next += 4;
+ n_ops -= 4;
+ ops += 4;
+ bi += 4;
+ }
+ while (n_ops > 0)
+ {
+ struct rte_crypto_op *op0;
+ vlib_buffer_t *b0;
+
+ op0 = ops[0];
+
+ next[0] = crypto_op_get_priv (op0)->next;
+
+ dpdk_crypto_check_check_op (vm, node, op0, next + 0);
+
+ /* XXX store bi0 and next0 in op0 private? */
+ b0 = vlib_buffer_from_rte_mbuf (op0->sym[0].m_src);
+ bi[0] = vlib_get_buffer_index (vm, b0);
+
+ op0->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+
+ /* next */
+ next += 1;
+ n_ops -= 1;
+ ops += 1;
+ bi += 1;
+ }
+
+ vlib_node_increment_counter (vm, node->node_index,
+ DPDK_CRYPTO_INPUT_ERROR_DQ_COPS, n_deq);
+
+ vlib_buffer_enqueue_to_next (vm, node, bis, nexts, n_deq);
+
+ crypto_free_ops (numa, cwm->ops, n_deq);
+
+ return n_deq;