vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2019-11-06	docs: add spellcheck to 'make docs' sphinx docs	Paul Vinciguerra	1	-3/+3
2018-11-12	docs: add 1810, including package cloud	jdenisco	1	-3/+1
2018-08-30	docs: Add features by release section	Scitt Keeler	1	-0/+70

/* * Copyright (c) 2018 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. */ #ifndef included_vnet_vxlan_gbp_h #define included_vnet_vxlan_gbp_h #include <vppinfra/error.h> #include <vppinfra/hash.h> #include <vppinfra/bihash_16_8.h> #include <vppinfra/bihash_24_8.h> #include <vnet/vnet.h> #include <vnet/ip/ip.h> #include <vnet/l2/l2_input.h> #include <vnet/l2/l2_output.h> #include <vnet/l2/l2_bd.h> #include <vnet/ethernet/ethernet.h> #include <vnet/vxlan-gbp/vxlan_gbp_packet.h> #include <vnet/ip/ip4_packet.h> #include <vnet/ip/ip6_packet.h> #include <vnet/udp/udp.h> #include <vnet/dpo/dpo.h> #include <vnet/adj/adj_types.h> /* *INDENT-OFF* */ typedef CLIB_PACKED (struct { ip4_header_t ip4; /* 20 bytes */ udp_header_t udp; /* 8 bytes */ vxlan_gbp_header_t vxlan_gbp; /* 8 bytes */ }) ip4_vxlan_gbp_header_t; typedef CLIB_PACKED (struct { ip6_header_t ip6; /* 40 bytes */ udp_header_t udp; /* 8 bytes */ vxlan_gbp_header_t vxlan_gbp; /* 8 bytes */ }) ip6_vxlan_gbp_header_t; /* *INDENT-ON* */ /* * Key fields: remote ip, vni on incoming VXLAN packet * all fields in NET byte order */ typedef clib_bihash_kv_16_8_t vxlan4_gbp_tunnel_key_t; /* * Key fields: remote ip, vni and fib index on incoming VXLAN packet * ip, vni fields in NET byte order * fib index field in host byte order */ typedef clib_bihash_kv_24_8_t vxlan6_gbp_tunnel_key_t; typedef enum vxlan_gbp_tunnel_mode_t_ { VXLAN_GBP_TUNNEL_MODE_L2, VXLAN_GBP_TUNNEL_MODE_L3, } vxlan_gbp_tunnel_mode_t; extern u8 *format_vxlan_gbp_tunnel_mode (u8 * s, va_list * args); typedef struct { /* Required for pool_get_aligned */ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /* FIB DPO for IP forwarding of VXLAN encap packet */ dpo_id_t next_dpo; /* flags */ u16 flags; /* vxlan VNI in HOST byte order */ u32 vni; /* tunnel src and dst addresses */ ip46_address_t src; ip46_address_t dst; /* mcast packet output intfc index (used only if dst is mcast) */ u32 mcast_sw_if_index; /* The FIB index for src/dst addresses */ u32 encap_fib_index; /* vnet intfc index */ u32 sw_if_index; u32 hw_if_index; /** Next node after VxLAN-GBP encap */ uword encap_next_node; /** * Tunnel mode. * L2 tunnels decap to L2 path, L3 tunnels to the L3 path */ vxlan_gbp_tunnel_mode_t mode; /** * Linkage into the FIB object graph */ fib_node_t node; /* * The FIB entry for (depending on VXLAN-GBP tunnel is unicast or mcast) * sending unicast VXLAN-GBP encap packets or receiving mcast VXLAN-GBP packets */ fib_node_index_t fib_entry_index; adj_index_t mcast_adj_index; /** * The tunnel is a child of the FIB entry for its destination. This is * so it receives updates when the forwarding information for that entry * changes. * The tunnels sibling index on the FIB entry's dependency list. */ u32 sibling_index; u32 dev_instance; /* Real device instance in tunnel vector */ u32 user_instance; /* Instance name being shown to user */ VNET_DECLARE_REWRITE; } vxlan_gbp_tunnel_t; #define foreach_vxlan_gbp_input_next \ _(DROP, "error-drop") \ _(PUNT, "punt-dispatch") \ _(L2_INPUT, "l2-input") \ _(IP4_INPUT, "ip4-input") \ _(IP6_INPUT, "ip6-input") typedef enum { #define _(s,n) VXLAN_GBP_INPUT_NEXT_##s, foreach_vxlan_gbp_input_next #undef _ VXLAN_GBP_INPUT_N_NEXT, } vxlan_gbp_input_next_t; typedef enum { #define vxlan_gbp_error(n,s) VXLAN_GBP_ERROR_##n, #include <vnet/vxlan-gbp/vxlan_gbp_error.def> #undef vxlan_gbp_error VXLAN_GBP_N_ERROR, } vxlan_gbp_input_error_t; /** * Call back function packets that do not match a configured tunnel */ typedef vxlan_gbp_input_next_t (*vxlan_bgp_no_tunnel_t) (vlib_buffer_t * b, u32 thread_index, u8 is_ip6); typedef struct { /* vector of encap tunnel instances */ vxlan_gbp_tunnel_t *tunnels; /* lookup tunnel by key */ clib_bihash_16_8_t vxlan4_gbp_tunnel_by_key; /* keyed on ipv4.dst + fib + vni */ clib_bihash_24_8_t vxlan6_gbp_tunnel_by_key; /* keyed on ipv6.dst + fib + vni */ /* local VTEP IPs ref count used by vxlan-bypass node to check if received VXLAN packet DIP matches any local VTEP address */ uword *vtep4; /* local ip4 VTEPs keyed on their ip4 addr */ uword *vtep6; /* local ip6 VTEPs keyed on their ip6 addr */ /* mcast shared info */ uword *mcast_shared; /* keyed on mcast ip46 addr */ /* Mapping from sw_if_index to tunnel index */ u32 *tunnel_index_by_sw_if_index; /* On demand udp port registration */ u32 udp_ports_registered; /* convenience */ vlib_main_t *vlib_main; vnet_main_t *vnet_main; /* Record used instances */ uword *instance_used; /** * Punt reasons for no such tunnel */ vlib_punt_reason_t punt_no_such_tunnel[FIB_PROTOCOL_IP_MAX]; } vxlan_gbp_main_t; extern vxlan_gbp_main_t vxlan_gbp_main; extern vlib_node_registration_t vxlan4_gbp_input_node; extern vlib_node_registration_t vxlan6_gbp_input_node; extern vlib_node_registration_t vxlan4_gbp_encap_node; extern vlib_node_registration_t vxlan6_gbp_encap_node; extern void vxlan_gbp_register_udp_ports (void); extern void vxlan_gbp_unregister_udp_ports (void); u8 *format_vxlan_gbp_encap_trace (u8 * s, va_list * args); typedef struct { u8 is_add; u8 is_ip6; u32 instance; vxlan_gbp_tunnel_mode_t mode; ip46_address_t src, dst; u32 mcast_sw_if_index; u32 encap_fib_index; u32 vni; } vnet_vxlan_gbp_tunnel_add_del_args_t; int vnet_vxlan_gbp_tunnel_add_del (vnet_vxlan_gbp_tunnel_add_del_args_t * a, u32 * sw_if_indexp); int vnet_vxlan_gbp_tunnel_del (u32 sw_if_indexp); void vnet_int_vxlan_gbp_bypass_mode (u32 sw_if_index, u8 is_ip6, u8 is_enable); always_inline u32 vxlan_gbp_tunnel_by_sw_if_index (u32 sw_if_index) { vxlan_gbp_main_t *vxm = &vxlan_gbp_main; if (sw_if_index >= vec_len (vxm->tunnel_index_by_sw_if_index)) return ~0; return (vxm->tunnel_index_by_sw_if_index[sw_if_index]); } #endif /* included_vnet_vxlan_gbp_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */