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_update_runtime_data (vnet_main_t *vnm, u32 hw_if_index);
37 void vnet_hw_if_generate_rxq_int_poll_vector (vlib_main_t *vm,
38 vlib_node_runtime_t *node);
40 /* inline functions */
42 static_always_inline vnet_hw_if_rx_queue_t *
43 vnet_hw_if_get_rx_queue (vnet_main_t *vnm, u32 queue_index)
45 vnet_interface_main_t *im = &vnm->interface_main;
46 if (pool_is_free_index (im->hw_if_rx_queues, queue_index))
48 return pool_elt_at_index (im->hw_if_rx_queues, queue_index);
51 static_always_inline void
52 vnet_hw_if_rx_queue_set_int_pending (vnet_main_t *vnm, u32 queue_index)
54 vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
55 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
56 vlib_main_t *vm = vlib_mains[rxq->thread_index];
57 vnet_hw_if_rx_node_runtime_t *rt;
58 if (PREDICT_FALSE (rxq->mode != VNET_HW_IF_RX_MODE_INTERRUPT &&
59 rxq->mode != VNET_HW_IF_RX_MODE_ADAPTIVE))
61 rt = vlib_node_get_runtime_data (vm, hi->input_node_index);
62 if (vm == vlib_get_main ())
63 clib_interrupt_set (rt->rxq_interrupts, queue_index);
65 clib_interrupt_set_atomic (rt->rxq_interrupts, queue_index);
66 vlib_node_set_interrupt_pending (vm, hi->input_node_index);
69 static_always_inline vnet_hw_if_rxq_poll_vector_t *
70 vnet_hw_if_get_rxq_poll_vector (vlib_main_t *vm, vlib_node_runtime_t *node)
72 vnet_hw_if_rx_node_runtime_t *rt = (void *) node->runtime_data;
74 if (PREDICT_FALSE (node->state == VLIB_NODE_STATE_INTERRUPT))
75 vnet_hw_if_generate_rxq_int_poll_vector (vm, node);
77 return rt->rxq_poll_vector;
80 static_always_inline u8
81 vnet_hw_if_get_rx_queue_numa_node (vnet_main_t *vnm, u32 queue_index)
83 vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
84 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
88 static_always_inline u32
89 vnet_hw_if_get_rx_queue_thread_index (vnet_main_t *vnm, u32 queue_index)
91 vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
92 return rxq->thread_index;
95 static_always_inline int
96 vnet_hw_if_rxq_cmp_cli_api (vnet_hw_if_rx_queue_t **a,
97 vnet_hw_if_rx_queue_t **b)
100 vnet_hw_interface_t *hif_a;
101 vnet_hw_interface_t *hif_b;
106 if (a[0]->thread_index != b[0]->thread_index)
107 return 2 * (a[0]->thread_index > b[0]->thread_index) - 1;
109 vnm = vnet_get_main ();
110 hif_a = vnet_get_hw_interface (vnm, a[0]->hw_if_index);
111 hif_b = vnet_get_hw_interface (vnm, b[0]->hw_if_index);
113 if (hif_a->input_node_index != hif_b->input_node_index)
114 return 2 * (hif_a->input_node_index > hif_b->input_node_index) - 1;
116 if (a[0]->hw_if_index != b[0]->hw_if_index)
117 return 2 * (a[0]->hw_if_index > b[0]->hw_if_index) - 1;
119 if (a[0]->queue_id != b[0]->queue_id)
120 return 2 * (a[0]->queue_id > b[0]->queue_id) - 1;
127 * fd.io coding-style-patch-verification: ON
130 * eval: (c-set-style "gnu")