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 <vnet/unix/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 } vnet_device_main_t;
  54
  55 extern vnet_device_main_t vnet_device_main;
  56 extern vlib_node_registration_t device_input_node;
  57 extern const u32 device_input_next_node_advance[];
  58
  59 static inline u64
  60 vnet_get_aggregate_rx_packets (void)
  61 {
  62   vnet_device_main_t *vdm = &vnet_device_main;
  63   u64 sum = 0;
  64   vnet_device_per_worker_data_t *pwd;
  65
  66   vec_foreach (pwd, vdm->workers) sum += pwd->aggregate_rx_packets;
  67
  68   return sum;
  69 }
  70
  71 static inline void
  72 vnet_device_increment_rx_packets (u32 cpu_index, u64 count)
  73 {
  74   vnet_device_main_t *vdm = &vnet_device_main;
  75   vnet_device_per_worker_data_t *pwd;
  76
  77   pwd = vec_elt_at_index (vdm->workers, cpu_index);
  78   pwd->aggregate_rx_packets += count;
  79 }
  80
  81 #endif /* included_vnet_vnet_device_h */
  82
  83 /*
  84  * fd.io coding-style-patch-verification: ON
  85  *
  86  * Local Variables:
  87  * eval: (c-set-style "gnu")
  88  * End:
  89  */