2 * Copyright (c) 2020 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/vnet.h>
18 /* funciton declarations */
20 u32 vnet_hw_if_get_rx_queue_index_by_id (vnet_main_t *vnm, u32 hw_if_index,
22 u32 vnet_hw_if_register_rx_queue (vnet_main_t *vnm, u32 hw_if_index,
23 u32 queue_id, u32 thread_idnex);
24 void vnet_hw_if_unregister_rx_queue (vnet_main_t *vnm, u32 queue_index);
25 void vnet_hw_if_unregister_all_rx_queues (vnet_main_t *vnm, u32 hw_if_index);
26 void vnet_hw_if_set_rx_queue_file_index (vnet_main_t *vnm, u32 queue_index,
28 void vnet_hw_if_set_input_node (vnet_main_t *vnm, u32 hw_if_index,
30 int vnet_hw_if_set_rx_queue_mode (vnet_main_t *vnm, u32 queue_index,
31 vnet_hw_if_rx_mode mode);
32 vnet_hw_if_rx_mode vnet_hw_if_get_rx_queue_mode (vnet_main_t *vnm,
34 void vnet_hw_if_set_rx_queue_thread_index (vnet_main_t *vnm, u32 queue_index,
36 void vnet_hw_if_generate_rxq_int_poll_vector (vlib_main_t *vm,
37 vlib_node_runtime_t *node);
39 /* inline functions */
41 static_always_inline vnet_hw_if_rx_queue_t *
42 vnet_hw_if_get_rx_queue (vnet_main_t *vnm, u32 queue_index)
44 vnet_interface_main_t *im = &vnm->interface_main;
45 if (pool_is_free_index (im->hw_if_rx_queues, queue_index))
47 return pool_elt_at_index (im->hw_if_rx_queues, queue_index);
50 static_always_inline void
51 vnet_hw_if_rx_queue_set_int_pending (vnet_main_t *vnm, u32 queue_index)
53 vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
54 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
55 vlib_main_t *vm = vlib_get_main_by_index (rxq->thread_index);
56 vnet_hw_if_rx_node_runtime_t *rt;
57 if (PREDICT_FALSE (rxq->mode != VNET_HW_IF_RX_MODE_INTERRUPT &&
58 rxq->mode != VNET_HW_IF_RX_MODE_ADAPTIVE))
60 rt = vlib_node_get_runtime_data (vm, hi->input_node_index);
61 if (vm == vlib_get_main ())
62 clib_interrupt_set (rt->rxq_interrupts, queue_index);
64 clib_interrupt_set_atomic (rt->rxq_interrupts, queue_index);
65 vlib_node_set_interrupt_pending (vm, hi->input_node_index);
68 static_always_inline vnet_hw_if_rxq_poll_vector_t *
69 vnet_hw_if_get_rxq_poll_vector (vlib_main_t *vm, vlib_node_runtime_t *node)
71 vnet_hw_if_rx_node_runtime_t *rt = (void *) node->runtime_data;
72 vnet_hw_if_rxq_poll_vector_t *pv = rt->rxq_vector_int;
74 if (PREDICT_FALSE (node->state == VLIB_NODE_STATE_INTERRUPT))
75 vnet_hw_if_generate_rxq_int_poll_vector (vm, node);
76 else if (node->flags & VLIB_NODE_FLAG_ADAPTIVE_MODE)
77 pv = rt->rxq_vector_poll;
82 static_always_inline u8
83 vnet_hw_if_get_rx_queue_numa_node (vnet_main_t *vnm, u32 queue_index)
85 vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
86 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
90 static_always_inline u32
91 vnet_hw_if_get_rx_queue_thread_index (vnet_main_t *vnm, u32 queue_index)
93 vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
94 return rxq->thread_index;
97 static_always_inline int
98 vnet_hw_if_rxq_cmp_cli_api (vnet_hw_if_rx_queue_t **a,
99 vnet_hw_if_rx_queue_t **b)
102 vnet_hw_interface_t *hif_a;
103 vnet_hw_interface_t *hif_b;
108 if (a[0]->thread_index != b[0]->thread_index)
109 return 2 * (a[0]->thread_index > b[0]->thread_index) - 1;
111 vnm = vnet_get_main ();
112 hif_a = vnet_get_hw_interface (vnm, a[0]->hw_if_index);
113 hif_b = vnet_get_hw_interface (vnm, b[0]->hw_if_index);
115 if (hif_a->input_node_index != hif_b->input_node_index)
116 return 2 * (hif_a->input_node_index > hif_b->input_node_index) - 1;
118 if (a[0]->hw_if_index != b[0]->hw_if_index)
119 return 2 * (a[0]->hw_if_index > b[0]->hw_if_index) - 1;
121 if (a[0]->queue_id != b[0]->queue_id)
122 return 2 * (a[0]->queue_id > b[0]->queue_id) - 1;
129 * fd.io coding-style-patch-verification: ON
132 * eval: (c-set-style "gnu")