aboutsummaryrefslogtreecommitdiffstats
path: root/vpp/vnet/vnet/devices/af_packet/af_packet.h
diff options
context:
space:
mode:
Diffstat (limited to 'vpp/vnet/vnet/devices/af_packet/af_packet.h')
-rw-r--r--vpp/vnet/vnet/devices/af_packet/af_packet.h69
1 files changed, 69 insertions, 0 deletions
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:
+ */