/* * 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 <vlib/vlib.h> #include <vppinfra/pcap.h> #include <vnet/l3_types.h> #include <vppinfra/lock.h> #include <vnet/hash/hash.h> struct vnet_main_t; struct vnet_hw_interface_t; struct vnet_sw_interface_t; union ip46_address_t_; typedef enum { VNET_HW_IF_RX_MODE_UNKNOWN, VNET_HW_IF_RX_MODE_POLLING, VNET_HW_IF_RX_MODE_INTERRUPT, VNET_HW_IF_RX_MODE_ADAPTIVE, VNET_HW_IF_RX_MODE_DEFAULT, VNET_HW_IF_NUM_RX_MODES, } vnet_hw_if_rx_mode; /* 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 mtu callback. */ typedef clib_error_t *(vnet_interface_set_max_frame_size_function_t) ( struct vnet_main_t *vnm, struct vnet_hw_interface_t *hi, u32 mtu); /* Interface set mac address callback. */ typedef clib_error_t *(vnet_interface_set_mac_address_function_t) (struct vnet_hw_interface_t * hi, const u8 * old_address, const u8 * new_address); /* Interface add/del additional mac address callback */ typedef clib_error_t *(vnet_interface_add_del_mac_address_function_t) (struct vnet_hw_interface_t * hi, const u8 * address, u8 is_add); /* Interface set rx mode callback. */ typedef clib_error_t *(vnet_interface_set_rx_mode_function_t) (struct vnet_main_t * vnm, u32 if_index, u32 queue_id, vnet_hw_if_rx_mode mode); /* Interface set l2 mode callback. */ typedef clib_error_t *(vnet_interface_set_l2_mode_function_t) (struct vnet_main_t * vnm, struct vnet_hw_interface_t * hi, i32 l2_if_adjust); /* Interface to set rss queues of the interface */ typedef clib_error_t *(vnet_interface_rss_queues_set_t) (struct vnet_main_t * vnm, struct vnet_hw_interface_t * hi, clib_bitmap_t * bitmap); typedef enum { VNET_FLOW_DEV_OP_ADD_FLOW, VNET_FLOW_DEV_OP_DEL_FLOW, VNET_FLOW_DEV_OP_GET_COUNTER, VNET_FLOW_DEV_OP_RESET_COUNTER, } vnet_flow_dev_op_t; /* Interface flow operations callback. */ typedef int (vnet_flow_dev_ops_function_t) (struct vnet_main_t * vnm, vnet_flow_dev_op_t op, u32 hw_if_index, u32 index, uword * private_data); 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; #ifndef CLIB_MARCH_VARIANT #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; \ } \ static void __vnet_interface_function_deinit_##tag##_##f (void) \ __attribute__((__destructor__)) ; \ \ static void __vnet_interface_function_deinit_##tag##_##f (void) \ { \ vnet_main_t * vnm = vnet_get_main(); \ _vnet_interface_function_list_elt_t *next; \ if (vnm->tag##_functions[p]->fp == f) \ { \ vnm->tag##_functions[p] = \ vnm->tag##_functions[p]->next_interface_function; \ return; \ } \ next = vnm->tag##_functions[p]; \ while (next->next_interface_function) \ { \ if (next->next_interface_function->fp == f) \ { \ next->next_interface_function = \ next->next_interface_function->next_interface_function; \ return; \ } \ next = next->next_interface_function; \ } \ } #else /* create unused pointer to silence compiler warnings and get whole function optimized out */ #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \ static __clib_unused void * __clib_unused_##f = f; #endif #define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \ _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW) #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_MTU_CHANGE_FUNCTION(f) \ _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_mtu_change) #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f) \ _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del) #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION_PRIO(f,p) \ _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,sw_interface_add_del,p) #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) /** * Tunnel description parameters */ typedef int (*vnet_dev_class_ip_tunnel_desc_t) (u32 sw_if_index, union ip46_address_t_ * src, union ip46_address_t_ * dst, u8 * is_l2); /* 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; /* Function to call interface rx mode is changed */ vnet_interface_set_rx_mode_function_t *rx_mode_change_function; /* Function to call interface l2 mode is changed */ vnet_interface_set_l2_mode_function_t *set_l2_mode_function; /* Redistribute flag changes/existence of this interface class. */ u32 redistribute; /* Transmit function. */ vlib_node_function_t *tx_function; /* Transmit function candidate registration with priority */ vlib_node_fn_registration_t *tx_fn_registrations; /* Error strings indexed by error code for this node. */ char **tx_function_error_strings; vlib_error_desc_t *tx_function_error_counters; /* 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); /* Interface flow offload operations */ vnet_flow_dev_ops_function_t *flow_ops_function; /* 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; /* Format flow offload entry */ format_function_t *format_flow; vnet_dev_class_ip_tunnel_desc_t ip_tun_desc; /* 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; /* Function to set mac address. */ vnet_interface_set_mac_address_function_t *mac_addr_change_function; /* Function to add/delete additional MAC addresses */ vnet_interface_add_del_mac_address_function_t *mac_addr_add_del_function; /* Interface to set rss queues of the interface */ vnet_interface_rss_queues_set_t *set_rss_queues_function; } vnet_device_class_t; #ifndef CLIB_MARCH_VARIANT #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; \ } \ static void __vnet_rm_device_class_registration_##x (void) \ __attribute__((__destructor__)) ; \ static void __vnet_rm_device_class_registration_##x (void) \ { \ vnet_main_t * vnm = vnet_get_main(); \ VLIB_REMOVE_FROM_LINKED_LIST (vnm->device_class_registrations, \ &x, next_class_registration); \ } \ __VA_ARGS__ vnet_device_class_t x #else /* create unused pointer to silence compiler warnings and get whole function optimized out */ #define VNET_DEVICE_CLASS(x,...) \ static __clib_unused vnet_device_class_t __clib_unused_##x #endif #define VNET_DEVICE_CLASS_TX_FN(devclass) \ uword CLIB_MARCH_SFX (devclass##_tx_fn) ( \ vlib_main_t *, vlib_node_runtime_t *, vlib_frame_t *); \ static vlib_node_fn_registration_t CLIB_MARCH_SFX ( \ devclass##_tx_fn_registration) = { \ .function = &CLIB_MARCH_SFX (devclass##_tx_fn), \ }; \ \ static void __clib_constructor CLIB_MARCH_SFX ( \ devclass##_tx_fn_multiarch_register) (void) \ { \ extern vnet_device_class_t devclass; \ vlib_node_fn_registration_t *r; \ r = &CLIB_MARCH_SFX (devclass##_tx_fn_registration); \ r->march_variant = CLIB_MARCH_SFX (CLIB_MARCH_VARIANT_TYPE); \ r->next_registration = devclass.tx_fn_registrations; \ devclass.tx_fn_registrations = r; \ } \ uword CLIB_MARCH_SFX (devclass##_tx_fn) /** * 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, VNET_LINK_NSH, } __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", \ [VNET_LINK_NSH] = "nsh", \ } #define FOR_EACH_VNET_LINK(_link) \ for (_link = VNET_LINK_IP4; \ _link <= VNET_LINK_NSH; \ _link++) #define FOR_EACH_VNET_IP_LINK(_link) \ for (_link = VNET_LINK_IP4; \ _link <= VNET_LINK_IP6; \ _link++) /** * @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_NSH+1) #define VNET_N_LINKS VNET_LINK_NUM /** * @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), /** * @brief a non-broadcast multiple access interface */ VNET_HW_INTERFACE_CLASS_FLAG_NBMA = (1 << 1), } 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; /* tx hash type for interfaces of this hw class */ vnet_hash_fn_type_t tx_hash_fn_type; /* 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; /* Function to add/delete additional MAC addresses */ vnet_interface_add_del_mac_address_function_t *mac_addr_add_del_function; /* Function to set max frame size. */ vnet_interface_set_max_frame_size_function_t *set_max_frame_size; /* 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 adjacency 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 placeholder) 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; \ } \ static void __vnet_rm_hw_interface_class_registration_##x (void) \ __attribute__((__destructor__)) ; \ static void __vnet_rm_hw_interface_class_registration_##x (void) \ { \ vnet_main_t * vnm = vnet_get_main(); \ VLIB_REMOVE_FROM_LINKED_LIST (vnm->hw_interface_class_registrations,\ &x, next_class_registration); \ } \ __VA_ARGS__ vnet_hw_interface_class_t x typedef enum vnet_hw_interface_flags_t_ { VNET_HW_INTERFACE_FLAG_NONE, /* Hardware link state is up. */ VNET_HW_INTERFACE_FLAG_LINK_UP = (1 << 0), /* Hardware duplex state */ VNET_HW_INTERFACE_FLAG_HALF_DUPLEX = (1 << 1), VNET_HW_INTERFACE_FLAG_FULL_DUPLEX = (1 << 2), /* non-broadcast multiple access */ VNET_HW_INTERFACE_FLAG_NBMA = (1 << 19), } vnet_hw_interface_flags_t; #define foreach_vnet_hw_if_caps \ _ (0, TX_IP4_CKSUM, "ip4-csum-tx") \ _ (1, TX_TCP_CKSUM, "tcp-csum-tx") \ _ (2, TX_UDP_CKSUM, "udp-csum-tx") \ _ (3, TX_IP4_OUTER_CKSUM, "outer-ip4-csum-tx") \ _ (4, TX_UDP_OUTER_CKSUM, "outer-udp-csum-tx") \ _ (5, RX_IP4_CKSUM, "ip4-csum-rx") \ _ (6, RX_TCP_CKSUM, "tcp-csum-rx") \ _ (7, RX_UDP_CKSUM, "udp-csum-rx") \ _ (8, RX_IP4_OUTER_CKSUM, "outer-ip4-csum-rx") \ _ (9, RX_UDP_OUTER_CKSUM, "outer-udp-csum-rx") \ _ (10, TCP_GSO, "tcp-tso") \ _ (11, UDP_GSO, "udp-gso") \ _ (12, VXLAN_TNL_GSO, "vxlan-tnl-gso") \ _ (13, IPIP_TNL_GSO, "ipip-tnl-gso") \ _ (14, GENEVE_TNL_GSO, "geneve-tnl-gso") \ _ (15, GRE_TNL_GSO, "gre-tnl-gso") \ _ (16, UDP_TNL_GSO, "udp-tnl-gso") \ _ (17, IP_TNL_GSO, "ip-tnl-gso") \ _ (18, TCP_LRO, "tcp-lro") \ _ (30, INT_MODE, "int-mode") \ _ (31, MAC_FILTER, "mac-filter") typedef enum vnet_hw_if_caps_t_ { VNET_HW_INTERFACE_CAP_NONE, #define _(bit, sfx, str) VNET_HW_IF_CAP_##sfx = (1 << (bit)), foreach_vnet_hw_if_caps #undef _ } vnet_hw_if_caps_t; #define VNET_HW_IF_CAP_L4_TX_CKSUM \ (VNET_HW_IF_CAP_TX_TCP_CKSUM | VNET_HW_IF_CAP_TX_UDP_CKSUM) #define VNET_HW_IF_CAP_TX_CKSUM \ (VNET_HW_IF_CAP_TX_IP4_CKSUM | VNET_HW_IF_CAP_TX_TCP_CKSUM | \ VNET_HW_IF_CAP_TX_UDP_CKSUM) #define VNET_HW_IF_CAP_TX_OUTER_CKSUM \ (VNET_HW_IF_CAP_TX_IP4_OUTER_CKSUM | VNET_HW_IF_CAP_TX_UDP_OUTER_CKSUM) #define VNET_HW_IF_CAP_TX_CKSUM_MASK \ (VNET_HW_IF_CAP_TX_CKSUM | VNET_HW_IF_CAP_TX_OUTER_CKSUM) #define VNET_HW_IF_CAP_L4_RX_CKSUM \ (VNET_HW_IF_CAP_RX_TCP_CKSUM | VNET_HW_IF_CAP_RX_UDP_CKSUM) #define VNET_HW_IF_CAP_RX_CKSUM \ (VNET_HW_IF_CAP_RX_IP4_CKSUM | VNET_HW_IF_CAP_RX_TCP_CKSUM | \ VNET_HW_IF_CAP_RX_UDP_CKSUM) #define VNET_HW_IF_CAP_TNL_GSO_MASK \ VNET_HW_IF_CAP_VXLAN_TNL_GSO | VNET_HW_IF_CAP_IPIP_TNL_GSO #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK \ (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \ VNET_HW_INTERFACE_FLAG_FULL_DUPLEX) typedef struct { /* hw interface index */ u32 hw_if_index; /* device instance */ u32 dev_instance; /* index of thread pollling this queue */ u32 thread_index; /* file index of queue interrupt line */ u32 file_index; /* hardware queue identifier */ u32 queue_id; /* mode */ vnet_hw_if_rx_mode mode : 8; #define VNET_HW_IF_RXQ_THREAD_ANY ~0 #define VNET_HW_IF_RXQ_NO_RX_INTERRUPT ~0 } vnet_hw_if_rx_queue_t; typedef struct { u8 shared_queue : 1; /* hw interface index */ u32 hw_if_index; /* hardware queue identifier */ u32 queue_id; /* bitmap of threads which use this queue */ clib_bitmap_t *threads; } vnet_hw_if_tx_queue_t; typedef enum { VNET_HW_IF_TX_FRAME_HINT_NOT_CHAINED = (1 << 0), VNET_HW_IF_TX_FRAME_HINT_NO_GSO = (1 << 1), VNET_HW_IF_TX_FRAME_HINT_NO_CKSUM_OFFLOAD = (1 << 2), } vnet_hw_if_tx_frame_hint_t; typedef struct { u8 shared_queue : 1; vnet_hw_if_tx_frame_hint_t hints : 16; u32 queue_id; } vnet_hw_if_tx_frame_t; typedef struct { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); vnet_hw_if_tx_frame_t *frame; u32 *lookup_table; u32 n_queues; } vnet_hw_if_output_node_runtime_t; /* Hardware-interface. This corresponds to a physical wire that packets flow over. */ typedef struct vnet_hw_interface_t { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /* flags */ vnet_hw_interface_flags_t flags; /* capabilities flags */ vnet_hw_if_caps_t caps; /* 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; /* interface-output-arc-end node next index for tx node */ u32 if_out_arc_end_node_next_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; /* per thread output-node runtimes */ vnet_hw_if_output_node_runtime_t *output_node_thread_runtimes; CLIB_CACHE_LINE_ALIGN_MARK (cacheline1); /* Interface name. */ u8 *name; /* link speed in kbps */ u32 link_speed; /* Next index in interface-output node for this interface used by node function vnet_per_buffer_interface_output() */ u32 output_node_next_index; /* called when hw interface is using transmit side packet steering */ vnet_hash_fn_t hf; /* Maximum transmit rate for this interface in bits/sec. */ f64 max_rate_bits_per_sec; /* Smallest packet size for this interface. */ u32 min_frame_size; /* Largest frame size for this interface. */ u32 max_frame_size; /* Layer 2 overhead */ u16 frame_overhead; /* Hash table mapping sub interface id to sw_if_index. */ uword *sub_interface_sw_if_index_by_id; /* Count of number of L2 and L3 subinterfaces */ u32 l2_if_count; u32 l3_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) /* Input node */ u32 input_node_index; vnet_hw_if_rx_mode default_rx_mode; /* rx queues */ u32 *rx_queue_indices; /* tx queues */ u32 *tx_queue_indices; /* numa node that hardware device connects to */ u8 numa_node; /* rss queues bitmap */ clib_bitmap_t *rss_queues; /* trace */ i32 n_trace; u32 trace_classify_table_index; } vnet_hw_interface_t; STATIC_ASSERT_OFFSET_OF (vnet_hw_interface_t, cacheline1, CLIB_CACHE_LINE_BYTES); typedef struct { u32 dev_instance; u32 queue_id; } vnet_hw_if_rxq_poll_vector_t; typedef struct { vnet_hw_if_rxq_poll_vector_t *rxq_vector_int; vnet_hw_if_rxq_poll_vector_t *rxq_vector_poll; void *rxq_interrupts; } vnet_hw_if_rx_node_runtime_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_P2P, VNET_SW_INTERFACE_TYPE_PIPE, } 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 struct { /* * Subinterface ID. A number 0-N to uniquely identify * this subinterface under the main interface */ u32 id; u32 pool_index; u8 client_mac[6]; } vnet_p2p_sub_interface_t; typedef enum { /* THe BVI interface */ VNET_FLOOD_CLASS_BVI, /* 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, /* Never flood to this type */ VNET_FLOOD_CLASS_NO_FLOOD, } vnet_flood_class_t; /* Per protocol MTU */ typedef enum { VNET_MTU_L3, /* Default payload MTU (without L2 headers) */ VNET_MTU_IP4, /* Per-protocol MTUs overriding default */ VNET_MTU_IP6, VNET_MTU_MPLS, VNET_N_MTU } vnet_mtu_t; extern vnet_mtu_t vnet_link_to_mtu (vnet_link_t link); typedef enum vnet_sw_interface_flags_t_ { VNET_SW_INTERFACE_FLAG_NONE = 0, /* Interface is "up" meaning administratively up. Up in the sense of link state being up is maintained by hardware interface. */ VNET_SW_INTERFACE_FLAG_ADMIN_UP = (1 << 0), /* Interface is disabled for forwarding: punt all traffic to slow-path. */ VNET_SW_INTERFACE_FLAG_PUNT = (1 << 1), __VNET_SW_INTERFACE_FLAG_UNSUED = (1 << 2), VNET_SW_INTERFACE_FLAG_UNNUMBERED = (1 << 3), __VNET_SW_INTERFACE_FLAG_UNUSED2 = (1 << 4), /* Interface does not appear in CLI/API */ VNET_SW_INTERFACE_FLAG_HIDDEN = (1 << 5), /* Interface in ERROR state */ VNET_SW_INTERFACE_FLAG_ERROR = (1 << 6), /* Interface has IP configured directed broadcast */ VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST = (1 << 7), } __attribute__ ((packed)) vnet_sw_interface_flags_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; vnet_sw_interface_flags_t flags; /* 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; /* VNET_SW_INTERFACE_TYPE_HARDWARE. */ u32 hw_if_index; /* MTU for network layer (not including L2 headers) */ u32 mtu[VNET_N_MTU]; /* VNET_SW_INTERFACE_TYPE_SUB. */ vnet_sub_interface_t sub; /* VNET_SW_INTERFACE_TYPE_P2P. */ vnet_p2p_sub_interface_t p2p; 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_RX_UNICAST = 1, VNET_INTERFACE_COUNTER_RX_MULTICAST = 2, VNET_INTERFACE_COUNTER_RX_BROADCAST = 3, VNET_INTERFACE_COUNTER_TX = 4, VNET_INTERFACE_COUNTER_TX_UNICAST = 5, VNET_INTERFACE_COUNTER_TX_MULTICAST = 6, VNET_INTERFACE_COUNTER_TX_BROADCAST = 7, VNET_N_COMBINED_INTERFACE_COUNTER = 8, } vnet_interface_counter_type_t; #define foreach_rx_combined_interface_counter(_x) \ for (_x = VNET_INTERFACE_COUNTER_RX; \ _x <= VNET_INTERFACE_COUNTER_RX_BROADCAST; \ _x++) #define foreach_tx_combined_interface_counter(_x) \ for (_x = VNET_INTERFACE_COUNTER_TX; \ _x <= VNET_INTERFACE_COUNTER_TX_BROADCAST; \ _x++) #define foreach_simple_interface_counter_name \ _(DROP, drops, if) \ _(PUNT, punt, if) \ _(IP4, ip4, if) \ _(IP6, ip6, if) \ _(RX_NO_BUF, rx-no-buf, if) \ _(RX_MISS, rx-miss, if) \ _(RX_ERROR, rx-error, if) \ _(TX_ERROR, tx-error, if) \ _(MPLS, mpls, if) #define foreach_combined_interface_counter_name \ _(RX, rx, if) \ _(RX_UNICAST, rx-unicast, if) \ _(RX_MULTICAST, rx-multicast, if) \ _(RX_BROADCAST, rx-broadcast, if) \ _(TX, tx, if) \ _(TX_UNICAST, tx-unicast, if) \ _(TX_MULTICAST, tx-multicast, if) \ _(TX_BROADCAST, tx-broadcast, if) typedef enum { COLLECT_SIMPLE_STATS = 0, COLLECT_DETAILED_STATS = 1, } vnet_interface_stats_collection_mode_e; extern int collect_detailed_interface_stats_flag; static inline int collect_detailed_interface_stats (void) { return collect_detailed_interface_stats_flag; } void collect_detailed_interface_stats_flag_set (void); void collect_detailed_interface_stats_flag_clear (void); typedef struct { u32 output_node_index; u32 tx_node_index; } vnet_hw_interface_nodes_t; typedef struct { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); u32 *split_buffers; } vnet_interface_per_thread_data_t; typedef u8 *(*vnet_buffer_opquae_formatter_t) (const vlib_buffer_t * b, u8 * s); typedef struct { /* Hardware interfaces. */ vnet_hw_interface_t *hw_interfaces; /* Hardware interface RX queues */ vnet_hw_if_rx_queue_t *hw_if_rx_queues; uword *rxq_index_by_hw_if_index_and_queue_id; /* Hardware interface TX queues */ vnet_hw_if_tx_queue_t *hw_if_tx_queues; uword *txq_index_by_hw_if_index_and_queue_id; /* 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. */ clib_spinlock_t 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 * Only the drop filter hash lives here. See ../src/vlib/main.h for * the rest of the variables. */ uword *pcap_drop_filter_hash; /* Buffer metadata format helper functions */ vnet_buffer_opquae_formatter_t *buffer_opaque_format_helpers; vnet_buffer_opquae_formatter_t *buffer_opaque2_format_helpers; /* per-thread data */ vnet_interface_per_thread_data_t *per_thread_data; /* feature_arc_index */ u8 output_feature_arc_index; /* fast lookup tables */ u32 *hw_if_index_by_sw_if_index; u16 *if_out_arc_end_next_index_by_sw_if_index; } vnet_interface_main_t; static inline void vnet_interface_counter_lock (vnet_interface_main_t * im) { if (im->sw_if_counter_lock) clib_spinlock_lock (&im->sw_if_counter_lock); } static inline void vnet_interface_counter_unlock (vnet_interface_main_t * im) { if (im->sw_if_counter_lock) clib_spinlock_unlock (&im->sw_if_counter_lock); } 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); void vnet_register_format_buffer_opaque_helper (vnet_buffer_opquae_formatter_t fn); void vnet_register_format_buffer_opaque2_helper (vnet_buffer_opquae_formatter_t fn); typedef struct { u8 *filename; int enable; int status; u32 packets_to_capture; u32 max_bytes_per_pkt; u8 rx_enable; u8 tx_enable; u8 drop_enable; u8 preallocate_data; u8 free_data; u32 sw_if_index; int filter; vlib_error_t drop_err; } vnet_pcap_dispatch_trace_args_t; int vnet_pcap_dispatch_trace_configure (vnet_pcap_dispatch_trace_args_t *); extern vlib_node_registration_t vnet_interface_output_node; extern vlib_node_registration_t vnet_interface_output_arc_end_node; #endif /* included_vnet_interface_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */