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-rw-r--r--vnet/vnet/devices/dpdk/threads.c269
1 files changed, 0 insertions, 269 deletions
diff --git a/vnet/vnet/devices/dpdk/threads.c b/vnet/vnet/devices/dpdk/threads.c
deleted file mode 100644
index 48ee13d1eac..00000000000
--- a/vnet/vnet/devices/dpdk/threads.c
+++ /dev/null
@@ -1,269 +0,0 @@
-/*
- * Copyright (c) 2015 Cisco 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 <vnet/vnet.h>
-#include <vppinfra/vec.h>
-#include <vppinfra/error.h>
-#include <vppinfra/format.h>
-#include <signal.h>
-
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/devices/dpdk/dpdk.h>
-#include <vnet/devices/dpdk/threads.h>
-
-#include <vlibmemory/api.h>
-#include <vlibmemory/vl_memory_msg_enum.h> /* enumerate all vlib messages */
-
-#define vl_typedefs /* define message structures */
-#include <vlibmemory/vl_memory_api_h.h>
-#undef vl_typedefs
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <vlibmemory/vl_memory_api_h.h>
-#undef vl_printfun
-
-
-/*
- * Check the frame queue to see if any frames are available.
- * If so, pull the packets off the frames and put them to
- * the handoff node.
- */
-static inline int vlib_frame_queue_dequeue_internal (vlib_main_t *vm)
-{
- u32 thread_id = vm->cpu_index;
- vlib_frame_queue_t *fq = vlib_frame_queues[thread_id];
- vlib_frame_queue_elt_t *elt;
- u32 * from, * to;
- vlib_frame_t * f;
- int msg_type;
- int processed = 0;
- u32 n_left_to_node;
- u32 vectors = 0;
-
- ASSERT (fq);
- ASSERT(vm == vlib_mains[thread_id]);
-
- /*
- * Gather trace data for frame queues
- */
- if (PREDICT_FALSE(fq->trace))
- {
- frame_queue_trace_t *fqt;
- frame_queue_nelt_counter_t *fqh;
- u32 elix;
-
- fqt = &dpdk_main.frame_queue_traces[thread_id];
-
- fqt->nelts = fq->nelts;
- fqt->head = fq->head;
- fqt->head_hint = fq->head_hint;
- fqt->tail = fq->tail;
- fqt->threshold = fq->vector_threshold;
- fqt->n_in_use = fqt->tail - fqt->head;
- if (fqt->n_in_use >= fqt->nelts){
- // if beyond max then use max
- fqt->n_in_use = fqt->nelts-1;
- }
-
- /* Record the number of elements in use in the histogram */
- fqh = &dpdk_main.frame_queue_histogram[thread_id];
- fqh->count[ fqt->n_in_use ]++;
-
- /* Record a snapshot of the elements in use */
- for (elix=0; elix<fqt->nelts; elix++) {
- elt = fq->elts + ((fq->head+1 + elix) & (fq->nelts-1));
- if (1 || elt->valid)
- {
- fqt->n_vectors[elix] = elt->n_vectors;
- }
- }
- fqt->written = 1;
- }
-
- while (1)
- {
- if (fq->head == fq->tail)
- {
- fq->head_hint = fq->head;
- return processed;
- }
-
- elt = fq->elts + ((fq->head+1) & (fq->nelts-1));
-
- if (!elt->valid)
- {
- fq->head_hint = fq->head;
- return processed;
- }
-
- from = elt->buffer_index;
- msg_type = elt->msg_type;
-
- ASSERT (msg_type == VLIB_FRAME_QUEUE_ELT_DISPATCH_FRAME);
- ASSERT (elt->n_vectors <= VLIB_FRAME_SIZE);
-
- f = vlib_get_frame_to_node
- (vm, 1 ? handoff_dispatch_node.index : ethernet_input_node.index);
-
- to = vlib_frame_vector_args (f);
-
- n_left_to_node = elt->n_vectors;
-
- while (n_left_to_node >= 4)
- {
- to[0] = from[0];
- to[1] = from[1];
- to[2] = from[2];
- to[3] = from[3];
- to += 4;
- from += 4;
- n_left_to_node -= 4;
- }
-
- while (n_left_to_node > 0)
- {
- to[0] = from[0];
- to++;
- from++;
- n_left_to_node--;
- }
-
- vectors += elt->n_vectors;
- f->n_vectors = elt->n_vectors;
- vlib_put_frame_to_node
- (vm, 1 ? handoff_dispatch_node.index : ethernet_input_node.index, f);
-
- elt->valid = 0;
- elt->n_vectors = 0;
- elt->msg_type = 0xfefefefe;
- CLIB_MEMORY_BARRIER();
- fq->head++;
- processed++;
-
- /*
- * Limit the number of packets pushed into the graph
- */
- if (vectors >= fq->vector_threshold)
- {
- fq->head_hint = fq->head;
- return processed;
- }
- }
- ASSERT(0);
- return processed;
-}
-
-int dpdk_frame_queue_dequeue (vlib_main_t *vm)
-{
- return vlib_frame_queue_dequeue_internal (vm);
-}
-
-/*
- * dpdk_worker_thread - Contains the main loop of a worker thread.
- *
- * w
- * Information for the current thread
- * callback
- * If not null, this function will be called once during each main loop.
- */
-static_always_inline void
-dpdk_worker_thread_internal (vlib_main_t *vm,
- dpdk_worker_thread_callback_t callback)
-{
- vlib_node_main_t * nm = &vm->node_main;
- u64 cpu_time_now = clib_cpu_time_now ();
-
- while (1)
- {
- vlib_worker_thread_barrier_check ();
-
- vlib_frame_queue_dequeue_internal (vm);
-
- /* Invoke callback if supplied */
- if (PREDICT_FALSE(callback != NULL))
- callback(vm);
-
- vlib_node_runtime_t * n;
- vec_foreach (n, nm->nodes_by_type[VLIB_NODE_TYPE_INPUT])
- {
- cpu_time_now = dispatch_node (vm, n, VLIB_NODE_TYPE_INPUT,
- VLIB_NODE_STATE_POLLING, /* frame */ 0,
- cpu_time_now);
- }
-
- if (_vec_len (nm->pending_frames))
- {
- int i;
- cpu_time_now = clib_cpu_time_now ();
- for (i = 0; i < _vec_len (nm->pending_frames); i++) {
- vlib_pending_frame_t *p;
-
- p = nm->pending_frames + i;
-
- cpu_time_now = dispatch_pending_node (vm, p, cpu_time_now);
- }
- _vec_len (nm->pending_frames) = 0;
- }
- vlib_increment_main_loop_counter (vm);
-
- /* Record time stamp in case there are no enabled nodes and above
- calls do not update time stamp. */
- cpu_time_now = clib_cpu_time_now ();
- }
-}
-
-void dpdk_worker_thread (vlib_worker_thread_t * w,
- dpdk_worker_thread_callback_t callback)
-{
- vlib_main_t *vm;
- dpdk_main_t * dm = &dpdk_main;
-
- vm = vlib_get_main();
-
- ASSERT(vm->cpu_index == os_get_cpu_number());
-
- clib_time_init (&vm->clib_time);
- clib_mem_set_heap (w->thread_mheap);
-
- /* Wait until the dpdk init sequence is complete */
- while (dm->worker_thread_release == 0)
- vlib_worker_thread_barrier_check ();
-
- dpdk_worker_thread_internal(vm, callback);
-}
-
-void dpdk_worker_thread_fn (void * arg)
-{
- vlib_worker_thread_t *w = (vlib_worker_thread_t *) arg;
- vlib_worker_thread_init (w);
- dpdk_worker_thread (w, 0);
-}
-
-#if VIRL == 0
-VLIB_REGISTER_THREAD (worker_thread_reg, static) = {
- .name = "workers",
- .short_name = "wk",
- .function = dpdk_worker_thread_fn,
-};
-#endif
-
-static clib_error_t *
-dpdk_thread_init (vlib_main_t *vm)
-{
- return (0);
-}
-
-VLIB_INIT_FUNCTION(dpdk_thread_init);