From a23197980e40d4d9414bcfaf59005a1dc2a89251 Mon Sep 17 00:00:00 2001 From: sreejith Date: Wed, 29 Mar 2017 01:15:02 -0400 Subject: Added vpp intial source code from master branch 17.01.1 Change-Id: I81bdace6f330825a1746a853766779dfb24765fd Signed-off-by: sreejith --- vpp/vnet/vnet/devices/af_packet/af_packet.h | 69 +++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 vpp/vnet/vnet/devices/af_packet/af_packet.h (limited to 'vpp/vnet/vnet/devices/af_packet/af_packet.h') diff --git a/vpp/vnet/vnet/devices/af_packet/af_packet.h b/vpp/vnet/vnet/devices/af_packet/af_packet.h new file mode 100644 index 00000000..19e2523d --- /dev/null +++ b/vpp/vnet/vnet/devices/af_packet/af_packet.h @@ -0,0 +1,69 @@ +/* + *------------------------------------------------------------------ + * 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, u32 * sw_if_index); +int af_packet_delete_if (vlib_main_t * vm, u8 * host_if_name); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg