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
  31   /* For tunnels */
  32   VNET_DEVICE_INPUT_NEXT_IP4_DROP,
  33   VNET_DEVICE_INPUT_NEXT_IP6_DROP,
  34   VNET_DEVICE_INPUT_NEXT_PUNT,
  35
  36   VNET_DEVICE_INPUT_N_NEXT_NODES,
  37 } vnet_device_input_next_t;
  38
  39 #define VNET_DEVICE_INPUT_NEXT_NODES                                          \
  40   {                                                                           \
  41     [VNET_DEVICE_INPUT_NEXT_DROP] = "error-drop",                             \
  42     [VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT] = "ethernet-input",               \
  43     [VNET_DEVICE_INPUT_NEXT_IP4_NCS_INPUT] = "ip4-input-no-checksum",         \
  44     [VNET_DEVICE_INPUT_NEXT_IP4_INPUT] = "ip4-input",                         \
  45     [VNET_DEVICE_INPUT_NEXT_IP6_INPUT] = "ip6-input",                         \
  46     [VNET_DEVICE_INPUT_NEXT_MPLS_INPUT] = "mpls-input",                       \
  47     [VNET_DEVICE_INPUT_NEXT_IP4_DROP] = "ip4-drop",                           \
  48     [VNET_DEVICE_INPUT_NEXT_IP6_DROP] = "ip6-drop",                           \
  49     [VNET_DEVICE_INPUT_NEXT_PUNT] = "punt-dispatch",                          \
  50   }
  51
  52 typedef struct
  53 {
  54   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  55
  56   /* total input packet counter */
  57   u64 aggregate_rx_packets;
  58 } vnet_device_per_worker_data_t;
  59
  60 typedef struct
  61 {
  62   vnet_device_per_worker_data_t *workers;
  63   uword first_worker_thread_index;
  64   uword last_worker_thread_index;
  65   uword next_worker_thread_index;
  66 } vnet_device_main_t;
  67
  68 extern vnet_device_main_t vnet_device_main;
  69 extern vlib_node_registration_t device_input_node;
  70 extern const u32 device_input_next_node_advance[];
  71 extern const u32 device_input_next_node_flags[];
  72
  73 static inline u64
  74 vnet_get_aggregate_rx_packets (void)
  75 {
  76   vnet_device_main_t *vdm = &vnet_device_main;
  77   u64 sum = 0;
  78   vnet_device_per_worker_data_t *pwd;
  79
  80   vec_foreach (pwd, vdm->workers) sum += pwd->aggregate_rx_packets;
  81
  82   return sum;
  83 }
  84
  85 static inline void
  86 vnet_device_increment_rx_packets (u32 thread_index, u64 count)
  87 {
  88   vnet_device_main_t *vdm = &vnet_device_main;
  89   vnet_device_per_worker_data_t *pwd;
  90
  91   pwd = vec_elt_at_index (vdm->workers, thread_index);
  92   pwd->aggregate_rx_packets += count;
  93 }
  94
  95 #endif /* included_vnet_vnet_device_h */
  96
  97 /*
  98  * fd.io coding-style-patch-verification: ON
  99  *
 100  * Local Variables:
 101  * eval: (c-set-style "gnu")
 102  * End:
 103  */