src/vnet/devices/devices.h

   1 /*
   2  * Copyright (c) 2016 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:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   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.
  14  */
  15
  16 #ifndef included_vnet_vnet_device_h
  17 #define included_vnet_vnet_device_h
  18
  19 #include <vppinfra/pcap.h>
  20 #include <vnet/l3_types.h>
  21
  22 typedef enum
  23 {
  24   VNET_DEVICE_INPUT_NEXT_IP4_NCS_INPUT,
  25   VNET_DEVICE_INPUT_NEXT_IP4_INPUT,
  26   VNET_DEVICE_INPUT_NEXT_IP6_INPUT,
  27   VNET_DEVICE_INPUT_NEXT_MPLS_INPUT,
  28   VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT,
  29   VNET_DEVICE_INPUT_NEXT_DROP,
  30   VNET_DEVICE_INPUT_N_NEXT_NODES,
  31 } vnet_device_input_next_t;
  32
  33 #define VNET_DEVICE_INPUT_NEXT_NODES {                                  \
  34     [VNET_DEVICE_INPUT_NEXT_DROP] = "error-drop",                       \
  35     [VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT] = "ethernet-input",         \
  36     [VNET_DEVICE_INPUT_NEXT_IP4_NCS_INPUT] = "ip4-input-no-checksum",   \
  37     [VNET_DEVICE_INPUT_NEXT_IP4_INPUT] = "ip4-input",                   \
  38     [VNET_DEVICE_INPUT_NEXT_IP6_INPUT] = "ip6-input",                   \
  39     [VNET_DEVICE_INPUT_NEXT_MPLS_INPUT] = "mpls-input",                 \
  40 }
  41
  42 typedef struct
  43 {
  44   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  45
  46   /* total input packet counter */
  47   u64 aggregate_rx_packets;
  48 } vnet_device_per_worker_data_t;
  49
  50 typedef struct
  51 {
  52   vnet_device_per_worker_data_t *workers;
  53   uword first_worker_thread_index;
  54   uword last_worker_thread_index;
  55   uword next_worker_thread_index;
  56 } vnet_device_main_t;
  57
  58 extern vnet_device_main_t vnet_device_main;
  59 extern vlib_node_registration_t device_input_node;
  60 extern const u32 device_input_next_node_advance[];
  61 extern const u32 device_input_next_node_flags[];
  62
  63 static inline u64
  64 vnet_get_aggregate_rx_packets (void)
  65 {
  66   vnet_device_main_t *vdm = &vnet_device_main;
  67   u64 sum = 0;
  68   vnet_device_per_worker_data_t *pwd;
  69
  70   vec_foreach (pwd, vdm->workers) sum += pwd->aggregate_rx_packets;
  71
  72   return sum;
  73 }
  74
  75 static inline void
  76 vnet_device_increment_rx_packets (u32 thread_index, u64 count)
  77 {
  78   vnet_device_main_t *vdm = &vnet_device_main;
  79   vnet_device_per_worker_data_t *pwd;
  80
  81   pwd = vec_elt_at_index (vdm->workers, thread_index);
  82   pwd->aggregate_rx_packets += count;
  83 }
  84
  85 #endif /* included_vnet_vnet_device_h */
  86
  87 /*
  88  * fd.io coding-style-patch-verification: ON
  89  *
  90  * Local Variables:
  91  * eval: (c-set-style "gnu")
  92  * End:
  93  */