summaryrefslogtreecommitdiffstats
path: root/src/vnet/interface.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/vnet/interface.h')
-rw-r--r--src/vnet/interface.h658
1 files changed, 658 insertions, 0 deletions
diff --git a/src/vnet/interface.h b/src/vnet/interface.h
new file mode 100644
index 00000000000..d42e5fda84c
--- /dev/null
+++ b/src/vnet/interface.h
@@ -0,0 +1,658 @@
+/*
+ * Copyright (c) 2015 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.
+ */
+/*
+ * interface.h: VNET interfaces/sub-interfaces
+ *
+ * Copyright (c) 2008 Eliot Dresselhaus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef included_vnet_interface_h
+#define included_vnet_interface_h
+
+#include <vnet/unix/pcap.h>
+#include <vnet/l3_types.h>
+
+struct vnet_main_t;
+struct vnet_hw_interface_t;
+struct vnet_sw_interface_t;
+struct ip46_address_t;
+
+/* Interface up/down callback. */
+typedef clib_error_t *(vnet_interface_function_t)
+ (struct vnet_main_t * vnm, u32 if_index, u32 flags);
+
+/* Sub-interface add/del callback. */
+typedef clib_error_t *(vnet_subif_add_del_function_t)
+ (struct vnet_main_t * vnm, u32 if_index,
+ struct vnet_sw_interface_t * template, int is_add);
+
+/* Interface set mac address callback. */
+typedef clib_error_t *(vnet_interface_set_mac_address_function_t)
+ (struct vnet_hw_interface_t * hi, char *address);
+
+typedef enum vnet_interface_function_priority_t_
+{
+ VNET_ITF_FUNC_PRIORITY_LOW,
+ VNET_ITF_FUNC_PRIORITY_HIGH,
+} vnet_interface_function_priority_t;
+#define VNET_ITF_FUNC_N_PRIO ((vnet_interface_function_priority_t)VNET_ITF_FUNC_PRIORITY_HIGH+1)
+
+typedef struct _vnet_interface_function_list_elt
+{
+ struct _vnet_interface_function_list_elt *next_interface_function;
+ clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
+} _vnet_interface_function_list_elt_t;
+
+#define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
+ \
+static void __vnet_interface_function_init_##tag##_##f (void) \
+ __attribute__((__constructor__)) ; \
+ \
+static void __vnet_interface_function_init_##tag##_##f (void) \
+{ \
+ vnet_main_t * vnm = vnet_get_main(); \
+ static _vnet_interface_function_list_elt_t init_function; \
+ init_function.next_interface_function = \
+ vnm->tag##_functions[VNET_ITF_FUNC_PRIORITY_LOW]; \
+ vnm->tag##_functions[VNET_ITF_FUNC_PRIORITY_LOW] = &init_function; \
+ init_function.fp = (void *) &f; \
+}
+
+#define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
+ \
+static void __vnet_interface_function_init_##tag##_##f (void) \
+ __attribute__((__constructor__)) ; \
+ \
+static void __vnet_interface_function_init_##tag##_##f (void) \
+{ \
+ vnet_main_t * vnm = vnet_get_main(); \
+ static _vnet_interface_function_list_elt_t init_function; \
+ init_function.next_interface_function = vnm->tag##_functions[p]; \
+ vnm->tag##_functions[p] = &init_function; \
+ init_function.fp = (void *) &f; \
+}
+
+#define VNET_HW_INTERFACE_ADD_DEL_FUNCTION(f) \
+ _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
+#define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f) \
+ _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
+#define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p) \
+ _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
+#define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \
+ _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
+#define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f) \
+ _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_admin_up_down)
+#define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION_PRIO(f,p) \
+ _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_admin_up_down, p)
+
+/* A class of hardware interface devices. */
+typedef struct _vnet_device_class
+{
+ /* Index into main vector. */
+ u32 index;
+
+ /* Device name (e.g. "FOOBAR 1234a"). */
+ char *name;
+
+ /* Function to call when hardware interface is added/deleted. */
+ vnet_interface_function_t *interface_add_del_function;
+
+ /* Function to bring device administratively up/down. */
+ vnet_interface_function_t *admin_up_down_function;
+
+ /* Function to call when sub-interface is added/deleted */
+ vnet_subif_add_del_function_t *subif_add_del_function;
+
+ /* Redistribute flag changes/existence of this interface class. */
+ u32 redistribute;
+
+ /* Transmit function. */
+ vlib_node_function_t *tx_function;
+
+ /* Error strings indexed by error code for this node. */
+ char **tx_function_error_strings;
+
+ /* Number of error codes used by this node. */
+ u32 tx_function_n_errors;
+
+ /* Renumber device name [only!] support, a control-plane kludge */
+ int (*name_renumber) (struct vnet_hw_interface_t * hi,
+ u32 new_dev_instance);
+
+ /* Format device instance as name. */
+ format_function_t *format_device_name;
+
+ /* Parse function for device name. */
+ unformat_function_t *unformat_device_name;
+
+ /* Format device verbosely for this class. */
+ format_function_t *format_device;
+
+ /* Trace buffer format for TX function. */
+ format_function_t *format_tx_trace;
+
+ /* Function to clear hardware counters for device. */
+ void (*clear_counters) (u32 dev_class_instance);
+
+ uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
+ u32 hw_if_index,
+ u32 hw_class_index);
+
+ /* Called when hardware class of an interface changes. */
+ void (*hw_class_change) (struct vnet_main_t * vnm,
+ u32 hw_if_index, u32 new_hw_class_index);
+
+ /* Called to redirect traffic from a specific interface instance */
+ void (*rx_redirect_to_node) (struct vnet_main_t * vnm,
+ u32 hw_if_index, u32 node_index);
+
+ /* Link-list of all device classes set up by constructors created below */
+ struct _vnet_device_class *next_class_registration;
+
+ /* Splice vnet_interface_output_node into TX path */
+ u8 flatten_output_chains;
+
+ /* Function to set mac address. */
+ vnet_interface_set_mac_address_function_t *mac_addr_change_function;
+} vnet_device_class_t;
+
+#define VNET_DEVICE_CLASS(x,...) \
+ __VA_ARGS__ vnet_device_class_t x; \
+static void __vnet_add_device_class_registration_##x (void) \
+ __attribute__((__constructor__)) ; \
+static void __vnet_add_device_class_registration_##x (void) \
+{ \
+ vnet_main_t * vnm = vnet_get_main(); \
+ x.next_class_registration = vnm->device_class_registrations; \
+ vnm->device_class_registrations = &x; \
+} \
+__VA_ARGS__ vnet_device_class_t x
+
+#define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
+ uword \
+ __attribute__ ((flatten)) \
+ __attribute__ ((target (tgt))) \
+ CLIB_CPU_OPTIMIZED \
+ fn ## _ ## arch ( vlib_main_t * vm, \
+ vlib_node_runtime_t * node, \
+ vlib_frame_t * frame) \
+ { return fn (vm, node, frame); }
+
+#define VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
+ foreach_march_variant(VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE, fn)
+
+#if CLIB_DEBUG > 0
+#define VLIB_MULTIARCH_CLONE_AND_SELECT_FN(fn,...)
+#define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn)
+#else
+#define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn) \
+ VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
+ CLIB_MULTIARCH_SELECT_FN(fn, static inline) \
+ static void __attribute__((__constructor__)) \
+ __vlib_device_tx_function_multiarch_select_##dev (void) \
+ { dev.tx_function = fn ## _multiarch_select(); }
+#endif
+
+/**
+ * Link Type: A description of the protocol of packets on the link.
+ * On an ethernet link this maps directly into the ethertype. On a GRE tunnel
+ * it maps to the GRE-proto, etc for other lnk types.
+ */
+typedef enum vnet_link_t_
+{
+#if CLIB_DEBUG > 0
+ VNET_LINK_IP4 = 1,
+#else
+ VNET_LINK_IP4 = 0,
+#endif
+ VNET_LINK_IP6,
+ VNET_LINK_MPLS,
+ VNET_LINK_ETHERNET,
+ VNET_LINK_ARP,
+} __attribute__ ((packed)) vnet_link_t;
+
+#define VNET_LINKS { \
+ [VNET_LINK_ETHERNET] = "ethernet", \
+ [VNET_LINK_IP4] = "ipv4", \
+ [VNET_LINK_IP6] = "ipv6", \
+ [VNET_LINK_MPLS] = "mpls", \
+ [VNET_LINK_ARP] = "arp", \
+}
+
+/**
+ * @brief Number of link types. Not part of the enum so it does not have to be included in
+ * switch statements
+ */
+#define VNET_LINK_NUM (VNET_LINK_ARP+1)
+
+/**
+ * @brief Convert a link to to an Ethertype
+ */
+extern vnet_l3_packet_type_t vnet_link_to_l3_proto (vnet_link_t link);
+
+/**
+ * @brief Attributes assignable to a HW interface Class.
+ */
+typedef enum vnet_hw_interface_class_flags_t_
+{
+ /**
+ * @brief a point 2 point interface
+ */
+ VNET_HW_INTERFACE_CLASS_FLAG_P2P = (1 << 0),
+} vnet_hw_interface_class_flags_t;
+
+/* Layer-2 (e.g. Ethernet) interface class. */
+typedef struct _vnet_hw_interface_class
+{
+ /* Index into main vector. */
+ u32 index;
+
+ /* Class name (e.g. "Ethernet"). */
+ char *name;
+
+ /* Flags */
+ vnet_hw_interface_class_flags_t flags;
+
+ /* Function to call when hardware interface is added/deleted. */
+ vnet_interface_function_t *interface_add_del_function;
+
+ /* Function to bring interface administratively up/down. */
+ vnet_interface_function_t *admin_up_down_function;
+
+ /* Function to call when link state changes. */
+ vnet_interface_function_t *link_up_down_function;
+
+ /* Function to call when link MAC changes. */
+ vnet_interface_set_mac_address_function_t *mac_addr_change_function;
+
+ /* Format function to display interface name. */
+ format_function_t *format_interface_name;
+
+ /* Format function to display interface address. */
+ format_function_t *format_address;
+
+ /* Format packet header for this interface class. */
+ format_function_t *format_header;
+
+ /* Format device verbosely for this class. */
+ format_function_t *format_device;
+
+ /* Parser for hardware (e.g. ethernet) address. */
+ unformat_function_t *unformat_hw_address;
+
+ /* Parser for packet header for e.g. rewrite string. */
+ unformat_function_t *unformat_header;
+
+ /* Builds a rewrite string for the interface to the destination
+ * for the payload/link type. */
+ u8 *(*build_rewrite) (struct vnet_main_t * vnm,
+ u32 sw_if_index,
+ vnet_link_t link_type, const void *dst_hw_address);
+
+ /* Update an adjacecny added by FIB (as opposed to via the
+ * neighbour resolution protocol). */
+ void (*update_adjacency) (struct vnet_main_t * vnm,
+ u32 sw_if_index, u32 adj_index);
+
+ uword (*is_valid_class_for_interface) (struct vnet_main_t * vnm,
+ u32 hw_if_index,
+ u32 hw_class_index);
+
+ /* Called when hw interface class is changed and old hardware instance
+ may want to be deleted. */
+ void (*hw_class_change) (struct vnet_main_t * vnm, u32 hw_if_index,
+ u32 old_class_index, u32 new_class_index);
+
+ /* List of hw interface classes, built by constructors */
+ struct _vnet_hw_interface_class *next_class_registration;
+
+} vnet_hw_interface_class_t;
+
+/**
+ * @brief Return a complete, zero-length (aka dummy) rewrite
+ */
+extern u8 *default_build_rewrite (struct vnet_main_t *vnm,
+ u32 sw_if_index,
+ vnet_link_t link_type,
+ const void *dst_hw_address);
+
+/**
+ * @brief Default adjacency update function
+ */
+extern void default_update_adjacency (struct vnet_main_t *vnm,
+ u32 sw_if_index, u32 adj_index);
+
+#define VNET_HW_INTERFACE_CLASS(x,...) \
+ __VA_ARGS__ vnet_hw_interface_class_t x; \
+static void __vnet_add_hw_interface_class_registration_##x (void) \
+ __attribute__((__constructor__)) ; \
+static void __vnet_add_hw_interface_class_registration_##x (void) \
+{ \
+ vnet_main_t * vnm = vnet_get_main(); \
+ x.next_class_registration = vnm->hw_interface_class_registrations; \
+ vnm->hw_interface_class_registrations = &x; \
+} \
+__VA_ARGS__ vnet_hw_interface_class_t x
+
+/* Hardware-interface. This corresponds to a physical wire
+ that packets flow over. */
+typedef struct vnet_hw_interface_t
+{
+ /* Interface name. */
+ u8 *name;
+
+ u32 flags;
+ /* Hardware link state is up. */
+#define VNET_HW_INTERFACE_FLAG_LINK_UP (1 << 0)
+ /* Hardware duplex state */
+#define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
+#define VNET_HW_INTERFACE_FLAG_HALF_DUPLEX (1 << 1)
+#define VNET_HW_INTERFACE_FLAG_FULL_DUPLEX (1 << 2)
+#define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \
+ (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
+ VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
+
+ /* Hardware link speed */
+#define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3
+#define VNET_HW_INTERFACE_FLAG_SPEED_10M (1 << 3)
+#define VNET_HW_INTERFACE_FLAG_SPEED_100M (1 << 4)
+#define VNET_HW_INTERFACE_FLAG_SPEED_1G (1 << 5)
+#define VNET_HW_INTERFACE_FLAG_SPEED_10G (1 << 6)
+#define VNET_HW_INTERFACE_FLAG_SPEED_40G (1 << 7)
+#define VNET_HW_INTERFACE_FLAG_SPEED_100G (1 << 8)
+#define VNET_HW_INTERFACE_FLAG_SPEED_MASK \
+ (VNET_HW_INTERFACE_FLAG_SPEED_10M | \
+ VNET_HW_INTERFACE_FLAG_SPEED_100M | \
+ VNET_HW_INTERFACE_FLAG_SPEED_1G | \
+ VNET_HW_INTERFACE_FLAG_SPEED_10G | \
+ VNET_HW_INTERFACE_FLAG_SPEED_40G | \
+ VNET_HW_INTERFACE_FLAG_SPEED_100G)
+
+ /* l2output node flags */
+#define VNET_HW_INTERFACE_FLAG_L2OUTPUT_SHIFT 9
+#define VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED (1 << 9)
+
+ /* Hardware address as vector. Zero (e.g. zero-length vector) if no
+ address for this class (e.g. PPP). */
+ u8 *hw_address;
+
+ /* Interface is up as far as software is concerned. */
+ /* NAME.{output,tx} nodes for this interface. */
+ u32 output_node_index, tx_node_index;
+
+ /* (dev_class, dev_instance) uniquely identifies hw interface. */
+ u32 dev_class_index;
+ u32 dev_instance;
+
+ /* (hw_class, hw_instance) uniquely identifies hw interface. */
+ u32 hw_class_index;
+ u32 hw_instance;
+
+ /* Hardware index for this hardware interface. */
+ u32 hw_if_index;
+
+ /* Software index for this hardware interface. */
+ u32 sw_if_index;
+
+ /* Maximum transmit rate for this interface in bits/sec. */
+ f64 max_rate_bits_per_sec;
+
+ /* Smallest packet size supported by this interface. */
+ u32 min_supported_packet_bytes;
+
+ /* Largest packet size supported by this interface. */
+ u32 max_supported_packet_bytes;
+
+ /* Smallest packet size for this interface. */
+ u32 min_packet_bytes;
+
+ /* Largest packet size for this interface. */
+ u32 max_packet_bytes;
+
+ /* Number of extra bytes that go on the wire.
+ Packet length on wire
+ = max (length + per_packet_overhead_bytes, min_packet_bytes). */
+ u32 per_packet_overhead_bytes;
+
+ /* Receive and transmit layer 3 packet size limits (MRU/MTU). */
+ u32 max_l3_packet_bytes[VLIB_N_RX_TX];
+
+ /* Hash table mapping sub interface id to sw_if_index. */
+ uword *sub_interface_sw_if_index_by_id;
+
+ /* Count of number of L2 subinterfaces */
+ u32 l2_if_count;
+
+ /* Bonded interface info -
+ 0 - not a bonded interface nor a slave
+ ~0 - slave to a bonded interface
+ others - A bonded interface with a pointer to bitmap for all slaves */
+ uword *bond_info;
+#define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
+#define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
+
+} vnet_hw_interface_t;
+
+extern vnet_device_class_t vnet_local_interface_device_class;
+
+typedef enum
+{
+ /* A hw interface. */
+ VNET_SW_INTERFACE_TYPE_HARDWARE,
+
+ /* A sub-interface. */
+ VNET_SW_INTERFACE_TYPE_SUB,
+} vnet_sw_interface_type_t;
+
+typedef struct
+{
+ /*
+ * Subinterface ID. A number 0-N to uniquely identify
+ * this subinterface under the main (parent?) interface
+ */
+ u32 id;
+
+ /* Classification data. Used to associate packet header with subinterface. */
+ struct
+ {
+ u16 outer_vlan_id;
+ u16 inner_vlan_id;
+ union
+ {
+ u16 raw_flags;
+ struct
+ {
+ u16 no_tags:1;
+ u16 one_tag:1;
+ u16 two_tags:1;
+ u16 dot1ad:1; /* 0 = dot1q, 1=dot1ad */
+ u16 exact_match:1;
+ u16 default_sub:1;
+ u16 outer_vlan_id_any:1;
+ u16 inner_vlan_id_any:1;
+ } flags;
+ };
+ } eth;
+} vnet_sub_interface_t;
+
+typedef enum
+{
+ /* Always flood */
+ VNET_FLOOD_CLASS_NORMAL,
+ VNET_FLOOD_CLASS_TUNNEL_MASTER,
+ /* Does not flood when tunnel master is in the same L2 BD */
+ VNET_FLOOD_CLASS_TUNNEL_NORMAL
+} vnet_flood_class_t;
+
+/* Software-interface. This corresponds to a Ethernet VLAN, ATM vc, a
+ tunnel, etc. Configuration (e.g. IP address) gets attached to
+ software interface. */
+typedef struct
+{
+ vnet_sw_interface_type_t type:16;
+
+ u16 flags;
+ /* Interface is "up" meaning adminstratively up.
+ Up in the sense of link state being up is maintained by hardware interface. */
+#define VNET_SW_INTERFACE_FLAG_ADMIN_UP (1 << 0)
+
+ /* Interface is disabled for forwarding: punt all traffic to slow-path. */
+#define VNET_SW_INTERFACE_FLAG_PUNT (1 << 1)
+
+#define VNET_SW_INTERFACE_FLAG_PROXY_ARP (1 << 2)
+
+#define VNET_SW_INTERFACE_FLAG_UNNUMBERED (1 << 3)
+
+#define VNET_SW_INTERFACE_FLAG_BOND_SLAVE (1 << 4)
+
+ /* Index for this interface. */
+ u32 sw_if_index;
+
+ /* Software interface index of super-interface;
+ equal to sw_if_index if this interface is not a
+ sub-interface. */
+ u32 sup_sw_if_index;
+
+ /* this swif is unnumbered, use addresses on unnumbered_sw_if_index... */
+ u32 unnumbered_sw_if_index;
+
+ u32 link_speed;
+
+ union
+ {
+ /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
+ u32 hw_if_index;
+
+ /* VNET_SW_INTERFACE_TYPE_SUB. */
+ vnet_sub_interface_t sub;
+ };
+
+ vnet_flood_class_t flood_class;
+} vnet_sw_interface_t;
+
+typedef enum
+{
+ /* Simple counters. */
+ VNET_INTERFACE_COUNTER_DROP = 0,
+ VNET_INTERFACE_COUNTER_PUNT = 1,
+ VNET_INTERFACE_COUNTER_IP4 = 2,
+ VNET_INTERFACE_COUNTER_IP6 = 3,
+ VNET_INTERFACE_COUNTER_RX_NO_BUF = 4,
+ VNET_INTERFACE_COUNTER_RX_MISS = 5,
+ VNET_INTERFACE_COUNTER_RX_ERROR = 6,
+ VNET_INTERFACE_COUNTER_TX_ERROR = 7,
+ VNET_INTERFACE_COUNTER_MPLS = 8,
+ VNET_N_SIMPLE_INTERFACE_COUNTER = 9,
+ /* Combined counters. */
+ VNET_INTERFACE_COUNTER_RX = 0,
+ VNET_INTERFACE_COUNTER_TX = 1,
+ VNET_N_COMBINED_INTERFACE_COUNTER = 2,
+} vnet_interface_counter_type_t;
+
+typedef struct
+{
+ u32 output_node_index;
+ u32 tx_node_index;
+} vnet_hw_interface_nodes_t;
+
+typedef struct
+{
+ /* Hardware interfaces. */
+ vnet_hw_interface_t *hw_interfaces;
+
+ /* Hash table mapping HW interface name to index. */
+ uword *hw_interface_by_name;
+
+ /* Vectors if hardware interface classes and device classes. */
+ vnet_hw_interface_class_t *hw_interface_classes;
+ vnet_device_class_t *device_classes;
+
+ /* Hash table mapping name to hw interface/device class. */
+ uword *hw_interface_class_by_name;
+ uword *device_class_by_name;
+
+ /* Software interfaces. */
+ vnet_sw_interface_t *sw_interfaces;
+
+ /* Hash table mapping sub intfc sw_if_index by sup sw_if_index and sub id */
+ uword *sw_if_index_by_sup_and_sub;
+
+ /* Software interface counters both simple and combined
+ packet and byte counters. */
+ volatile u32 *sw_if_counter_lock;
+ vlib_simple_counter_main_t *sw_if_counters;
+ vlib_combined_counter_main_t *combined_sw_if_counters;
+
+ vnet_hw_interface_nodes_t *deleted_hw_interface_nodes;
+
+ /* pcap drop tracing */
+ int drop_pcap_enable;
+ pcap_main_t pcap_main;
+ u8 *pcap_filename;
+ u32 pcap_sw_if_index;
+ u32 pcap_pkts_to_capture;
+ uword *pcap_drop_filter_hash;
+
+ /* feature_arc_index */
+ u8 output_feature_arc_index;
+} vnet_interface_main_t;
+
+static inline void
+vnet_interface_counter_lock (vnet_interface_main_t * im)
+{
+ if (im->sw_if_counter_lock)
+ while (__sync_lock_test_and_set (im->sw_if_counter_lock, 1))
+ /* zzzz */ ;
+}
+
+static inline void
+vnet_interface_counter_unlock (vnet_interface_main_t * im)
+{
+ if (im->sw_if_counter_lock)
+ *im->sw_if_counter_lock = 0;
+}
+
+void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);
+
+int vnet_interface_name_renumber (u32 sw_if_index, u32 new_show_dev_instance);
+
+#endif /* included_vnet_interface_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */