VPP-598: tcp stack initial commit - vpp - Vector Packet Processing

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author	Dave Barach <dave@barachs.net>	2017-02-28 15:15:56 -0500
committer	Damjan Marion <dmarion.lists@gmail.com>	2017-03-01 20:25:48 +0000
commit	68b0fb0c620c7451ef1a6380c43c39de6614db51 (patch)
tree	f4188fa09723152f3ebfcebbbe4cacad903e0cf1 /src/vnet/misc.c
parent	f869028740aaebeb0375077d4d84fa07a17fff1a (diff)

VPP-598: tcp stack initial commit

Change-Id: I49e5ce0aae6e4ff634024387ceaf7dbc432a0351 Signed-off-by: Dave Barach <dave@barachs.net> Signed-off-by: Florin Coras <fcoras@cisco.com>

Diffstat (limited to 'src/vnet/misc.c')

0 files changed, 0 insertions, 0 deletions

/* * 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. */ #ifndef included_vnet_vxlan_h #define included_vnet_vxlan_h #include <vppinfra/error.h> #include <vppinfra/hash.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/vxlan_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> typedef CLIB_PACKED (struct { ip4_header_t ip4; /* 20 bytes */ udp_header_t udp; /* 8 bytes */ vxlan_header_t vxlan; /* 8 bytes */ }) ip4_vxlan_header_t; typedef CLIB_PACKED (struct { ip6_header_t ip6; /* 40 bytes */ udp_header_t udp; /* 8 bytes */ vxlan_header_t vxlan; /* 8 bytes */ }) ip6_vxlan_header_t; typedef CLIB_PACKED(struct { /* * Key fields: ip src and vxlan vni on incoming VXLAN packet * all fields in NET byte order */ union { struct { u32 src; u32 vni; /* shifted left 8 bits */ }; u64 as_u64; }; }) vxlan4_tunnel_key_t; typedef CLIB_PACKED(struct { /* * Key fields: ip src and vxlan vni on incoming VXLAN packet * all fields in NET byte order */ ip6_address_t src; u32 vni; /* shifted left 8 bits */ }) vxlan6_tunnel_key_t; typedef struct { /* Rewrite string. $$$$ embed vnet_rewrite header */ u8 * rewrite; /* FIB DPO for IP forwarding of VXLAN encap packet */ dpo_id_t next_dpo; /* 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; /* decap next index */ u32 decap_next_index; /* The FIB index for src/dst addresses */ u32 encap_fib_index; /* vnet intfc index */ u32 sw_if_index; u32 hw_if_index; /** * Linkage into the FIB object graph */ fib_node_t node; /* * The FIB entry for (depending on VXLAN tunnel is unicast or mcast) * sending unicast VXLAN encap packets or receiving mcast VXLAN 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 desintion. 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; } vxlan_tunnel_t; #define foreach_vxlan_input_next \ _(DROP, "error-drop") \ _(L2_INPUT, "l2-input") typedef enum { #define _(s,n) VXLAN_INPUT_NEXT_##s, foreach_vxlan_input_next #undef _ VXLAN_INPUT_N_NEXT, } vxlan_input_next_t; typedef enum { #define vxlan_error(n,s) VXLAN_ERROR_##n, #include <vnet/vxlan/vxlan_error.def> #undef vxlan_error VXLAN_N_ERROR, } vxlan_input_error_t; typedef struct { /* vector of encap tunnel instances */ vxlan_tunnel_t * tunnels; /* lookup tunnel by key */ uword * vxlan4_tunnel_by_key; /* keyed on ipv4.dst + vni */ uword * vxlan6_tunnel_by_key; /* keyed on ipv6.dst + 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 */ /* Free vlib hw_if_indices */ u32 * free_vxlan_tunnel_hw_if_indices; /* Mapping from sw_if_index to tunnel index */ u32 * tunnel_index_by_sw_if_index; /* convenience */ vlib_main_t * vlib_main; vnet_main_t * vnet_main; } vxlan_main_t; vxlan_main_t vxlan_main; extern vlib_node_registration_t vxlan4_input_node; extern vlib_node_registration_t vxlan6_input_node; extern vlib_node_registration_t vxlan4_encap_node; extern vlib_node_registration_t vxlan6_encap_node; u8 * format_vxlan_encap_trace (u8 * s, va_list * args); typedef struct { u8 is_add; /* we normally use is_ip4, but since this adds to the * structure, this seems less of abreaking change */ u8 is_ip6; ip46_address_t src, dst; u32 mcast_sw_if_index; u32 encap_fib_index; u32 decap_next_index; u32 vni; } vnet_vxlan_add_del_tunnel_args_t; int vnet_vxlan_add_del_tunnel (vnet_vxlan_add_del_tunnel_args_t *a, u32 * sw_if_indexp); void vnet_int_vxlan_bypass_mode (u32 sw_if_index, u8 is_ip6, u8 is_enable); #endif /* included_vnet_vxlan_h */


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