diff options
Diffstat (limited to 'vnet/vnet/devices/af_packet/af_packet.h')
-rw-r--r-- | vnet/vnet/devices/af_packet/af_packet.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/vnet/vnet/devices/af_packet/af_packet.h b/vnet/vnet/devices/af_packet/af_packet.h new file mode 100644 index 00000000000..dd9fa148761 --- /dev/null +++ b/vnet/vnet/devices/af_packet/af_packet.h @@ -0,0 +1,57 @@ +/* + *------------------------------------------------------------------ + * af_packet.h - linux kernel packet interface header file + * + * Copyright (c) 2016 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + *------------------------------------------------------------------ + */ + +typedef struct { + CLIB_CACHE_LINE_ALIGN_MARK(cacheline0); + u8 * host_if_name; + int fd; + struct tpacket_req * rx_req; + struct tpacket_req * tx_req; + u8 * rx_ring; + u8 * tx_ring; + u32 hw_if_index; + u32 sw_if_index; + u32 unix_file_index; + + u32 next_rx_frame; + u32 next_tx_frame; + + u32 per_interface_next_index; + u8 is_admin_up; +} af_packet_if_t; + +typedef struct { + CLIB_CACHE_LINE_ALIGN_MARK(cacheline0); + af_packet_if_t * interfaces; + + /* bitmap of pending rx interfaces */ + uword * pending_input_bitmap; + + /* rx buffer cache */ + u32 * rx_buffers; + + /* hash of host interface names */ + mhash_t if_index_by_host_if_name; +} af_packet_main_t; + +af_packet_main_t af_packet_main; +extern vnet_device_class_t af_packet_device_class; +extern vlib_node_registration_t af_packet_input_node; + +int af_packet_create_if(vlib_main_t * vm, u8 * host_if_name, u8 * hw_addr_set); |