/* * 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 #include struct vnet_main_t; struct vnet_hw_interface_t; struct vnet_sw_interface_t; struct ip46_address_t; typedef enum { VNET_HW_INTERFACE_RX_MODE_UNKNOWN, VNET_HW_INTERFACE_RX_MODE_POLLING, VNET_HW_INTERFACE_RX_MODE_INTERRUPT, VNET_HW_INTERFACE_RX_MODE_ADAPTIVE, VNET_HW_INTERFACE_RX_MODE_DEFAULT, VNET_HW_INTERFACE_NUM_RX_MODES, } vnet_hw_interface_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 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 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_interface_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); 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 == (void *) &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 == (void *) &f) \ { \ next->next_interface_function = \ next->next_interface_function->next_interface_function; \ return; \ } \ next = next->next_interface_function; \ } 
<?xml version="1.0" encoding="UTF-8"?>
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 Copyright (c) 2015 Cisco and/or its affiliates.
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 Unless required by applicable law or agreed to in writing, software
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I 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_PROXY_ARP = (1 << 2), VNET_SW_INTERFACE_FLAG_UNNUMBERED = (1 << 3), VNET_SW_INTERFACE_FLAG_BOND_SLAVE = (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) #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-miss, 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 { /* 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 (clib_atomic_test_and_set (im->sw_if_counter_lock)) /* zzzz */ ; } static inline void vnet_interface_counter_unlock (vnet_interface_main_t * im) { if (im->sw_if_counter_lock) clib_atomic_release (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); #endif /* included_vnet_interface_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */