--- /dev/null
+/*
+// Copyright (c) 2010-2017 Intel Corporation
+//
+// 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 "prox_malloc.h"
+#include "lconf.h"
+#include "rx_pkt.h"
+#include "tx_pkt.h"
+#include "log.h"
+#include "quit.h"
+#include "prox_cfg.h"
+
+struct lcore_cfg *lcore_cfg;
+/* only used at initialization time */
+struct lcore_cfg lcore_cfg_init[RTE_MAX_LCORE];
+
+static int core_targ_next_from(struct lcore_cfg **lconf, struct task_args **targ, struct lcore_cfg *lcore_cfg, const int with_master)
+{
+ uint32_t lcore_id, task_id;
+
+ if (*lconf && *targ) {
+ lcore_id = *lconf - lcore_cfg;
+ task_id = *targ - lcore_cfg[lcore_id].targs;
+
+ if (task_id + 1 < lcore_cfg[lcore_id].n_tasks_all) {
+ *targ = &lcore_cfg[lcore_id].targs[task_id + 1];
+ return 0;
+ } else {
+ if (prox_core_next(&lcore_id, with_master))
+ return -1;
+ *lconf = &lcore_cfg[lcore_id];
+ *targ = &lcore_cfg[lcore_id].targs[0];
+ return 0;
+ }
+ } else {
+ lcore_id = -1;
+
+ if (prox_core_next(&lcore_id, with_master))
+ return -1;
+ *lconf = &lcore_cfg[lcore_id];
+ *targ = &lcore_cfg[lcore_id].targs[0];
+ return 0;
+ }
+}
+
+int core_targ_next(struct lcore_cfg **lconf, struct task_args **targ, const int with_master)
+{
+ return core_targ_next_from(lconf, targ, lcore_cfg, with_master);
+}
+
+int core_targ_next_early(struct lcore_cfg **lconf, struct task_args **targ, const int with_master)
+{
+ return core_targ_next_from(lconf, targ, lcore_cfg_init, with_master);
+}
+
+struct task_args *core_targ_get(uint32_t lcore_id, uint32_t task_id)
+{
+ return &lcore_cfg[lcore_id].targs[task_id];
+}
+
+void lcore_cfg_alloc_hp(void)
+{
+ size_t mem_size = RTE_MAX_LCORE * sizeof(struct lcore_cfg);
+
+ lcore_cfg = prox_zmalloc(mem_size, rte_socket_id());
+ PROX_PANIC(lcore_cfg == NULL, "Could not allocate memory for core control structures\n");
+ rte_memcpy(lcore_cfg, lcore_cfg_init, mem_size);
+
+ /* get thread ID for master core */
+ lcore_cfg[rte_lcore_id()].thread_id = pthread_self();
+}
+
+int lconf_run(__attribute__((unused)) void *dummy)
+{
+ uint32_t lcore_id = rte_lcore_id();
+ struct lcore_cfg *lconf = &lcore_cfg[lcore_id];
+
+ /* get thread ID, and set cancellation type to asynchronous */
+ lconf->thread_id = pthread_self();
+ int ret = pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
+ if (ret != 0)
+ plog_warn("pthread_setcanceltype() failed on core %u: %i\n", lcore_id, ret);
+
+ plog_info("Entering main loop on core %u\n", lcore_id);
+ return lconf->thread_x(lconf);
+}
+
+static void msg_stop(struct lcore_cfg *lconf)
+{
+ int idx = -1;
+ struct task_base *t = NULL;
+
+ if (lconf->msg.task_id == -1) {
+ for (int i = 0; i < lconf->n_tasks_all; ++i) {
+ if (lconf->task_is_running[i]) {
+ lconf->task_is_running[i] = 0;
+ t = lconf->tasks_all[i];
+ if (t->aux->stop)
+ t->aux->stop(t);
+ }
+ }
+ lconf->n_tasks_run = 0;
+
+ if (t && t->aux->stop_last)
+ t->aux->stop_last(t);
+ }
+ else {
+ for (int i = 0; i < lconf->n_tasks_run; ++i) {
+ if (lconf_get_task_id(lconf, lconf->tasks_run[i]) == lconf->msg.task_id) {
+ idx = i;
+ }
+ else if (idx != -1) {
+ lconf->tasks_run[idx] = lconf->tasks_run[i];
+
+ idx++;
+ }
+ }
+ lconf->task_is_running[lconf->msg.task_id] = 0;
+
+ t = lconf->tasks_all[lconf->msg.task_id];
+ if (t->aux->stop)
+ t->aux->stop(t);
+ lconf->n_tasks_run--;
+ if (lconf->n_tasks_run == 0 && t->aux->stop_last)
+ t->aux->stop_last(t);
+ }
+}
+
+static void msg_start(struct lcore_cfg *lconf)
+{
+ int idx = 1;
+ struct task_base *t = NULL;
+
+ if (lconf->msg.task_id == -1) {
+ for (int i = 0; i < lconf->n_tasks_all; ++i) {
+ t = lconf->tasks_run[i] = lconf->tasks_all[i];
+ lconf->task_is_running[i] = 1;
+ if (lconf->n_tasks_run == 0 && t->aux->start_first) {
+ t->aux->start_first(t);
+ lconf->n_tasks_run = 1;
+ }
+ if (t->aux->start)
+ t->aux->start(t);
+ }
+ lconf->n_tasks_run = lconf->n_tasks_all;
+ }
+ else if (lconf->n_tasks_run == 0) {
+ t = lconf->tasks_run[0] = lconf->tasks_all[lconf->msg.task_id];
+ lconf->n_tasks_run = 1;
+ lconf->task_is_running[lconf->msg.task_id] = 1;
+
+ if (t->aux->start_first)
+ t->aux->start_first(t);
+ if (t->aux->start)
+ t->aux->start(t);
+ }
+ else {
+ for (int i = lconf->n_tasks_run - 1; i >= 0; --i) {
+ idx = lconf_get_task_id(lconf, lconf->tasks_run[i]);
+ if (idx == lconf->msg.task_id) {
+ break;
+ }
+ else if (idx > lconf->msg.task_id) {
+ lconf->tasks_run[i + 1] = lconf->tasks_run[i];
+ if (i == 0) {
+ lconf->tasks_run[i] = lconf->tasks_all[lconf->msg.task_id];
+ lconf->n_tasks_run++;
+ break;
+ }
+ }
+ else {
+ lconf->tasks_run[i + 1] = lconf->tasks_all[lconf->msg.task_id];
+ lconf->n_tasks_run++;
+ break;
+ }
+ }
+ lconf->task_is_running[lconf->msg.task_id] = 1;
+
+ if (lconf->tasks_all[lconf->msg.task_id]->aux->start)
+ lconf->tasks_all[lconf->msg.task_id]->aux->start(lconf->tasks_all[lconf->msg.task_id]);
+ }
+}
+
+int lconf_do_flags(struct lcore_cfg *lconf)
+{
+ struct task_base *t;
+ int ret = 0;
+
+ switch (lconf->msg.type) {
+ case LCONF_MSG_STOP:
+ msg_stop(lconf);
+ ret = -1;
+ break;
+ case LCONF_MSG_START:
+ msg_start(lconf);
+ ret = -1;
+ break;
+ case LCONF_MSG_DUMP_RX:
+ case LCONF_MSG_DUMP_TX:
+ case LCONF_MSG_DUMP:
+ t = lconf->tasks_all[lconf->msg.task_id];
+
+ if (lconf->msg.val) {
+ if (lconf->msg.type == LCONF_MSG_DUMP ||
+ lconf->msg.type == LCONF_MSG_DUMP_RX) {
+ t->aux->task_rt_dump.n_print_rx = lconf->msg.val;
+
+ task_base_add_rx_pkt_function(t, rx_pkt_dump);
+ }
+
+ if (lconf->msg.type == LCONF_MSG_DUMP ||
+ lconf->msg.type == LCONF_MSG_DUMP_TX) {
+ t->aux->task_rt_dump.n_print_tx = lconf->msg.val;
+ if (t->aux->tx_pkt_orig)
+ t->tx_pkt = t->aux->tx_pkt_orig;
+ t->aux->tx_pkt_orig = t->tx_pkt;
+ t->tx_pkt = tx_pkt_dump;
+ }
+ }
+ break;
+ case LCONF_MSG_TRACE:
+ t = lconf->tasks_all[lconf->msg.task_id];
+
+ if (lconf->msg.val) {
+ t->aux->task_rt_dump.n_trace = lconf->msg.val;
+
+ if (task_base_get_original_rx_pkt_function(t) != rx_pkt_dummy) {
+ task_base_add_rx_pkt_function(t, rx_pkt_trace);
+ if (t->aux->tx_pkt_orig)
+ t->tx_pkt = t->aux->tx_pkt_orig;
+ t->aux->tx_pkt_orig = t->tx_pkt;
+ t->tx_pkt = tx_pkt_trace;
+ } else {
+ t->aux->task_rt_dump.n_print_tx = lconf->msg.val;
+ if (t->aux->tx_pkt_orig)
+ t->tx_pkt = t->aux->tx_pkt_orig;
+ t->aux->tx_pkt_orig = t->tx_pkt;
+ t->tx_pkt = tx_pkt_dump;
+ }
+ }
+ break;
+ case LCONF_MSG_RX_DISTR_START:
+ for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
+ t = lconf->tasks_all[task_id];
+ task_base_add_rx_pkt_function(t, rx_pkt_distr);
+ memset(t->aux->rx_bucket, 0, sizeof(t->aux->rx_bucket));
+ lconf->flags |= LCONF_FLAG_RX_DISTR_ACTIVE;
+ }
+ break;
+ case LCONF_MSG_TX_DISTR_START:
+ for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
+ t = lconf->tasks_all[task_id];
+
+ t->aux->tx_pkt_orig = t->tx_pkt;
+ t->tx_pkt = tx_pkt_distr;
+ memset(t->aux->tx_bucket, 0, sizeof(t->aux->tx_bucket));
+ lconf->flags |= LCONF_FLAG_TX_DISTR_ACTIVE;
+ }
+ break;
+ case LCONF_MSG_RX_DISTR_STOP:
+ for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
+ t = lconf->tasks_all[task_id];
+ task_base_del_rx_pkt_function(t, rx_pkt_distr);
+ lconf->flags &= ~LCONF_FLAG_RX_DISTR_ACTIVE;
+ }
+ break;
+ case LCONF_MSG_TX_DISTR_STOP:
+ for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
+ t = lconf->tasks_all[task_id];
+ if (t->aux->tx_pkt_orig) {
+ t->tx_pkt = t->aux->tx_pkt_orig;
+ t->aux->tx_pkt_orig = NULL;
+ lconf->flags &= ~LCONF_FLAG_TX_DISTR_ACTIVE;
+ }
+ }
+ break;
+ case LCONF_MSG_RX_DISTR_RESET:
+ for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
+ t = lconf->tasks_all[task_id];
+
+ memset(t->aux->rx_bucket, 0, sizeof(t->aux->rx_bucket));
+ }
+ break;
+ case LCONF_MSG_TX_DISTR_RESET:
+ for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
+ t = lconf->tasks_all[task_id];
+
+ memset(t->aux->tx_bucket, 0, sizeof(t->aux->tx_bucket));
+ }
+ break;
+ case LCONF_MSG_RX_BW_START:
+ for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
+ t = lconf->tasks_all[task_id];
+ task_base_add_rx_pkt_function(t, rx_pkt_bw);
+ lconf->flags |= LCONF_FLAG_RX_BW_ACTIVE;
+ }
+ break;
+ case LCONF_MSG_RX_BW_STOP:
+ for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
+ t = lconf->tasks_all[task_id];
+ task_base_del_rx_pkt_function(t, rx_pkt_bw);
+ lconf->flags &= ~LCONF_FLAG_RX_BW_ACTIVE;
+ }
+ break;
+ case LCONF_MSG_TX_BW_START:
+ for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
+ t = lconf->tasks_all[task_id];
+
+ t->aux->tx_pkt_orig = t->tx_pkt;
+ t->tx_pkt = tx_pkt_bw;
+ lconf->flags |= LCONF_FLAG_TX_BW_ACTIVE;
+ }
+ break;
+ case LCONF_MSG_TX_BW_STOP:
+ for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
+ t = lconf->tasks_all[task_id];
+ if (t->aux->tx_pkt_orig) {
+ t->tx_pkt = t->aux->tx_pkt_orig;
+ t->aux->tx_pkt_orig = NULL;
+ lconf->flags &= ~LCONF_FLAG_TX_BW_ACTIVE;
+ }
+ }
+ break;
+ }
+
+ lconf_unset_req(lconf);
+ return ret;
+}
+
+int lconf_get_task_id(const struct lcore_cfg *lconf, const struct task_base *task)
+{
+ for (int i = 0; i < lconf->n_tasks_all; ++i) {
+ if (lconf->tasks_all[i] == task)
+ return i;
+ }
+
+ return -1;
+}
+
+int lconf_task_is_running(const struct lcore_cfg *lconf, uint8_t task_id)
+{
+ return lconf->task_is_running[task_id];
+}
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