--- /dev/null
+/*
+ *------------------------------------------------------------------
+ * crypto_node.c - DPDK Cryptodev input node
+ *
+ * Copyright (c) 2016 Intel and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <vlib/vlib.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/ipsec/ipsec.h>
+
+#include <dpdk/device/dpdk.h>
+#include <dpdk/device/dpdk_priv.h>
+#include <dpdk/ipsec/ipsec.h>
+
+#define foreach_dpdk_crypto_input_next \
+ _(DROP, "error-drop") \
+ _(ENCRYPT_POST, "dpdk-esp-encrypt-post") \
+ _(DECRYPT_POST, "dpdk-esp-decrypt-post")
+
+typedef enum
+{
+#define _(f,s) DPDK_CRYPTO_INPUT_NEXT_##f,
+ foreach_dpdk_crypto_input_next
+#undef _
+ DPDK_CRYPTO_INPUT_N_NEXT,
+} dpdk_crypto_input_next_t;
+
+#define foreach_dpdk_crypto_input_error \
+ _(DQ_COPS, "Crypto ops dequeued") \
+ _(COP_FAILED, "Crypto op failed")
+
+typedef enum
+{
+#define _(f,s) DPDK_CRYPTO_INPUT_ERROR_##f,
+ foreach_dpdk_crypto_input_error
+#undef _
+ DPDK_CRYPTO_INPUT_N_ERROR,
+} dpdk_crypto_input_error_t;
+
+static char *dpdk_crypto_input_error_strings[] = {
+#define _(n, s) s,
+ foreach_dpdk_crypto_input_error
+#undef _
+};
+
+vlib_node_registration_t dpdk_crypto_input_node;
+
+typedef struct
+{
+ u32 cdev;
+ u32 qp;
+ u32 status;
+ u32 sa_idx;
+ u32 next_index;
+} dpdk_crypto_input_trace_t;
+
+static u8 *
+format_dpdk_crypto_input_trace (u8 * s, va_list * args)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ dpdk_crypto_input_trace_t *t = va_arg (*args, dpdk_crypto_input_trace_t *);
+
+ s = format (s, "dpdk_crypto: cryptodev-id %u queue-pair %u next-index %d",
+ t->cdev, t->qp, t->next_index);
+
+ s = format (s, " status %u sa-idx %u\n", t->status, t->sa_idx);
+
+ return s;
+}
+
+static_always_inline u32
+dpdk_crypto_dequeue (vlib_main_t * vm, vlib_node_runtime_t * node,
+ crypto_qp_data_t * qpd)
+{
+ u32 n_deq, *to_next = 0, next_index, n_cops, def_next_index;
+ struct rte_crypto_op **cops = qpd->cops;
+
+ if (qpd->inflights == 0)
+ return 0;
+
+ if (qpd->is_outbound)
+ def_next_index = DPDK_CRYPTO_INPUT_NEXT_ENCRYPT_POST;
+ else
+ def_next_index = DPDK_CRYPTO_INPUT_NEXT_DECRYPT_POST;
+
+ n_cops = rte_cryptodev_dequeue_burst (qpd->dev_id, qpd->qp_id,
+ cops, VLIB_FRAME_SIZE);
+ n_deq = n_cops;
+ next_index = def_next_index;
+
+ qpd->inflights -= n_cops;
+ ASSERT (qpd->inflights >= 0);
+
+ while (n_cops > 0)
+ {
+ u32 n_left_to_next;
+
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+
+ while (n_cops > 0 && n_left_to_next > 0)
+ {
+ u32 bi0, next0;
+ vlib_buffer_t *b0 = 0;
+ struct rte_crypto_op *cop;
+ struct rte_crypto_sym_op *sym_cop;
+
+ cop = cops[0];
+ cops += 1;
+ n_cops -= 1;
+ n_left_to_next -= 1;
+
+ next0 = def_next_index;
+
+ if (PREDICT_FALSE (cop->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_COP_FAILED,
+ 1);
+ }
+ cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+
+ sym_cop = (struct rte_crypto_sym_op *) (cop + 1);
+ b0 = vlib_buffer_from_rte_mbuf (sym_cop->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->cdev = qpd->dev_id;
+ tr->qp = qpd->qp_id;
+ tr->status = cop->status;
+ tr->next_index = next0;
+ tr->sa_idx = vnet_buffer (b0)->ipsec.sad_index;
+ }
+
+ 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_cop (qpd, qpd->cops, n_deq);
+
+ vlib_node_increment_counter (vm, dpdk_crypto_input_node.index,
+ DPDK_CRYPTO_INPUT_ERROR_DQ_COPS, n_deq);
+ return n_deq;
+}
+
+static uword
+dpdk_crypto_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ u32 cpu_index = os_get_cpu_number ();
+ dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
+ crypto_worker_main_t *cwm = &dcm->workers_main[cpu_index];
+ crypto_qp_data_t *qpd;
+ u32 n_deq = 0;
+
+ /* *INDENT-OFF* */
+ vec_foreach (qpd, cwm->qp_data)
+ n_deq += dpdk_crypto_dequeue(vm, node, qpd);
+ /* *INDENT-ON* */
+
+ return n_deq;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (dpdk_crypto_input_node) =
+{
+ .function = dpdk_crypto_input_fn,
+ .name = "dpdk-crypto-input",
+ .format_trace = format_dpdk_crypto_input_trace,
+ .type = VLIB_NODE_TYPE_INPUT,
+ .state = VLIB_NODE_STATE_DISABLED,
+ .n_errors = DPDK_CRYPTO_INPUT_N_ERROR,
+ .error_strings = dpdk_crypto_input_error_strings,
+ .n_next_nodes = DPDK_CRYPTO_INPUT_N_NEXT,
+ .next_nodes =
+ {
+#define _(s,n) [DPDK_CRYPTO_INPUT_NEXT_##s] = n,
+ foreach_dpdk_crypto_input_next
+#undef _
+ },
+};
+/* *INDENT-ON* */
+
+VLIB_NODE_FUNCTION_MULTIARCH (dpdk_crypto_input_node, dpdk_crypto_input_fn)
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff