+++ /dev/null
-/*
- *------------------------------------------------------------------
- * crypto_node.c - DPDK Cryptodev input node
- *
- * Copyright (c) 2017 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 opy 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/buffer.h>
-#include <dpdk/device/dpdk.h>
-#include <dpdk/device/dpdk_priv.h>
-#include <dpdk/ipsec/ipsec.h>
-
-#define foreach_dpdk_crypto_input_error \
- _(DQ_COPS, "Crypto ops dequeued") \
- _(AUTH_FAILED, "Crypto verification failed") \
- _(STATUS, "Crypto operation 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 _
-};
-
-extern vlib_node_registration_t dpdk_crypto_input_node;
-
-typedef struct
-{
- /* dev id of this cryptodev */
- u16 dev_id;
- u16 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, "cryptodev-id %d next-index %d", t->dev_id, t->next_index);
-
- return s;
-}
-
-static_always_inline void
-dpdk_crypto_input_check_op (vlib_main_t * vm, vlib_node_runtime_t * node,
- struct rte_crypto_op *op0, u16 * next)
-{
- if (PREDICT_FALSE (op0->status != RTE_CRYPTO_OP_STATUS_SUCCESS))
- {
- next[0] = DPDK_CRYPTO_INPUT_NEXT_DROP;
- vlib_node_increment_counter (vm,
- node->node_index,
- DPDK_CRYPTO_INPUT_ERROR_STATUS, 1);
- /* if auth failed */
- if (op0->status == RTE_CRYPTO_OP_STATUS_AUTH_FAILED)
- vlib_node_increment_counter (vm,
- node->node_index,
- DPDK_CRYPTO_INPUT_ERROR_AUTH_FAILED, 1);
- }
-}
-
-always_inline void
-dpdk_crypto_input_trace (vlib_main_t * vm, vlib_node_runtime_t * node,
- u8 dev_id, u32 * bis, u16 * nexts, u32 n_deq)
-{
- u32 n_left, n_trace;
-
- if (PREDICT_FALSE ((n_trace = vlib_get_trace_count (vm, node))))
- {
- n_left = n_deq;
-
- while (n_trace && n_left)
- {
- vlib_buffer_t *b0;
- u16 next;
- u32 bi;
-
- bi = bis[0];
- next = nexts[0];
-
- b0 = vlib_get_buffer (vm, bi);
-
- if (PREDICT_TRUE
- (vlib_trace_buffer (vm, node, next, b0, /* follow_chain */ 0)))
- {
- dpdk_crypto_input_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- tr->dev_id = dev_id;
- tr->next_index = next;
- n_trace--;
- }
-
- n_left--;
- nexts++;
- bis++;
- }
- vlib_set_trace_count (vm, node, n_trace);
- }
-}
-
-static_always_inline u32
-dpdk_crypto_dequeue (vlib_main_t * vm, crypto_worker_main_t * cwm,
- vlib_node_runtime_t * node, crypto_resource_t * res)
-{
- u8 numa = rte_socket_id ();
- u32 n_ops, total_n_deq, n_deq[2];
- u32 bis[VLIB_FRAME_SIZE], *bi;
- u16 nexts[VLIB_FRAME_SIZE], *next;
- struct rte_crypto_op **ops;
-
- n_deq[0] = 0;
- n_deq[1] = 0;
- bi = bis;
- next = nexts;
- ops = cwm->ops;
-
- n_ops = total_n_deq = rte_cryptodev_dequeue_burst (res->dev_id,
- res->qp_id,
- ops, VLIB_FRAME_SIZE);
- /* no op dequeued, do not proceed */
- if (n_ops == 0)
- return 0;
-
- while (n_ops >= 4)
- {
- struct rte_crypto_op *op0, *op1, *op2, *op3;
-
- /* 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;
-
- bi[0] = crypto_op_get_priv (op0)->bi;
- bi[1] = crypto_op_get_priv (op1)->bi;
- bi[2] = crypto_op_get_priv (op2)->bi;
- bi[3] = crypto_op_get_priv (op3)->bi;
-
- n_deq[crypto_op_get_priv (op0)->encrypt] += 1;
- n_deq[crypto_op_get_priv (op1)->encrypt] += 1;
- n_deq[crypto_op_get_priv (op2)->encrypt] += 1;
- n_deq[crypto_op_get_priv (op3)->encrypt] += 1;
-
- dpdk_crypto_input_check_op (vm, node, op0, next + 0);
- dpdk_crypto_input_check_op (vm, node, op1, next + 1);
- dpdk_crypto_input_check_op (vm, node, op2, next + 2);
- dpdk_crypto_input_check_op (vm, node, op3, next + 3);
-
- 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;
-
- op0 = ops[0];
-
- next[0] = crypto_op_get_priv (op0)->next;
- bi[0] = crypto_op_get_priv (op0)->bi;
-
- n_deq[crypto_op_get_priv (op0)->encrypt] += 1;
-
- dpdk_crypto_input_check_op (vm, node, op0, next + 0);
-
- 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, total_n_deq);
-
- res->inflights[0] -= n_deq[0];
- res->inflights[1] -= n_deq[1];
-
- vlib_buffer_enqueue_to_next (vm, node, bis, nexts, total_n_deq);
-
- dpdk_crypto_input_trace (vm, node, res->dev_id, bis, nexts, total_n_deq);
-
- crypto_free_ops (numa, cwm->ops, total_n_deq);
-
- return total_n_deq;
-}
-
-static_always_inline uword
-dpdk_crypto_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_worker_main_t *cwm = &dcm->workers_main[vm->thread_index];
- crypto_resource_t *res;
- u32 n_deq = 0;
- u16 *remove = NULL, *res_idx;
- word i;
-
- /* *INDENT-OFF* */
- vec_foreach (res_idx, cwm->resource_idx)
- {
- res = vec_elt_at_index (dcm->resource, res_idx[0]);
- u32 inflights = res->inflights[0] + res->inflights[1];
-
- if (inflights)
- n_deq += dpdk_crypto_dequeue (vm, cwm, node, res);
-
- inflights = res->inflights[0] + res->inflights[1];
- if (PREDICT_FALSE (res->remove && !(inflights)))
- vec_add1 (remove, res_idx[0]);
- }
- /* *INDENT-ON* */
-
- /* TODO removal on master thread? */
- if (PREDICT_FALSE (remove != NULL))
- {
- /* *INDENT-OFF* */
- vec_foreach (res_idx, remove)
- {
- i = vec_search (cwm->resource_idx, res_idx[0]);
- vec_del1 (cwm->resource_idx, i);
-
- res = vec_elt_at_index (dcm->resource, res_idx[0]);
- res->thread_idx = (u16) ~0;
- res->remove = 0;
-
- i = vec_search (dcm->dev[res->dev_id].used_resources, res_idx[0]);
- ASSERT (i != (u16) ~0);
- vec_del1 (dcm->dev[res->dev_id].used_resources, i);
- vec_add1 (dcm->dev[res->dev_id].free_resources, res_idx[0]);
- }
- /* *INDENT-ON* */
-
- vec_free (remove);
- }
-
- return n_deq;
-}
-
-VLIB_NODE_FN (dpdk_crypto_input_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- return dpdk_crypto_input_inline (vm, node, from_frame);
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (dpdk_crypto_input_node) =
-{
- .name = "dpdk-crypto-input",
- .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
- .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* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
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