From c3a814be9dc769be942ff8029c7b6eccd4b3af05 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Tue, 28 Feb 2017 19:22:22 +0100 Subject: dpdk: be a plugin Change-Id: I238258cdeb77035adc5e88903d824593d0a1da90 Signed-off-by: Damjan Marion --- src/vnet/devices/dpdk/main.c | 85 -------------------------------------------- 1 file changed, 85 deletions(-) delete mode 100644 src/vnet/devices/dpdk/main.c (limited to 'src/vnet/devices/dpdk/main.c') diff --git a/src/vnet/devices/dpdk/main.c b/src/vnet/devices/dpdk/main.c deleted file mode 100644 index 9ea3aa04b09..00000000000 --- a/src/vnet/devices/dpdk/main.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Copyright (c) 2017 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 -#include - - -/* - * Called by the dpdk driver's rte_delay_us() function. - * Return 0 to have the dpdk do a regular delay loop. - * Return 1 if to skip the delay loop because we are suspending - * the calling vlib process instead. - */ -int -rte_delay_us_override (unsigned us) -{ - vlib_main_t *vm; - - /* Don't bother intercepting for short delays */ - if (us < 10) - return 0; - - /* - * Only intercept if we are in a vlib process. - * If we are called from a vlib worker thread or the vlib main - * thread then do not intercept. (Must not be called from an - * independent pthread). - */ - if (os_get_cpu_number () == 0) - { - /* - * We're in the vlib main thread or a vlib process. Make sure - * the process is running and we're not still initializing. - */ - vm = vlib_get_main (); - if (vlib_in_process_context (vm)) - { - /* Only suspend for the admin_down_process */ - vlib_process_t *proc = vlib_get_current_process (vm); - if (!(proc->flags & VLIB_PROCESS_IS_RUNNING) || - (proc->node_runtime.function != admin_up_down_process)) - return 0; - - f64 delay = 1e-6 * us; - vlib_process_suspend (vm, delay); - return 1; - } - } - return 0; // no override -} - -static void -rte_delay_us_override_cb (unsigned us) -{ - if (rte_delay_us_override (us) == 0) - rte_delay_us_block (us); -} - -static clib_error_t * dpdk_main_init (vlib_main_t * vm) -{ - clib_error_t * error = 0; - - if ((error = vlib_call_init_function (vm, dpdk_init))) - return error; - - /* register custom delay function */ - rte_delay_us_callback_register (rte_delay_us_override_cb); - - return error; -} - -VLIB_INIT_FUNCTION (dpdk_main_init); - -- cgit 1.2.3-korg