unformat function for FIB paths - vpp - Vector Packet Processing

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author	Neale Ranns <nranns@cisco.com>	2017-11-15 12:54:46 -0800
committer	Florin Coras <florin.coras@gmail.com>	2017-11-18 01:34:22 +0000
commit	70ed8aeff30c0eece0e19f0ad26c4cc8957278ae (patch)
tree	b09bda6fef287b46dac123949f25972edc41e600 /README.md
parent	8ac4ce8547d84c2d581f572b4f51fd34dbf1b01f (diff)

unformat function for FIB paths

Change-Id: I32de25890ac0a643314f650591d2479879d9a2a6 Signed-off-by: Neale Ranns <nranns@cisco.com>

Diffstat (limited to 'README.md')

0 files changed, 0 insertions, 0 deletions

/* * Copyright (c) 2017 SUSE LLC. * 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_geneve_h #define included_vnet_geneve_h #include <vppinfra/error.h> #include <vppinfra/hash.h> #include <vnet/vnet.h> #include <geneve/geneve_packet.h> #include <vnet/ip/ip.h> #include <vnet/ip/vtep.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/ip/ip4_packet.h> #include <vnet/ip/ip6_packet.h> #include <vnet/udp/udp_packet.h> #include <vnet/udp/udp_local.h> #include <vnet/dpo/dpo.h> #include <vnet/adj/adj_types.h> #define SUPPORT_OPTIONS_HEADER 0 typedef CLIB_PACKED (struct { ip4_header_t ip4; /* 20 bytes */ udp_header_t udp; /* 8 bytes */ geneve_header_t geneve; /* Min 8 bytes, Max 260 bytes */ }) ip4_geneve_header_t; typedef CLIB_PACKED (struct { ip6_header_t ip6; /* 40 bytes */ udp_header_t udp; /* 8 bytes */ geneve_header_t geneve; /* Min 8 bytes, Max 260 bytes */ }) ip6_geneve_header_t; typedef CLIB_PACKED (struct { /* * Key fields: ip source and geneve vni on incoming GENEVE packet * all fields in NET byte order */ union { struct { u32 remote; u32 vni; /* shifted left 8 bits */ }; u64 as_u64; }; }) geneve4_tunnel_key_t; typedef CLIB_PACKED (struct { /* * Key fields: ip source and geneve vni on incoming GENEVE packet * all fields in NET byte order */ ip6_address_t remote; u32 vni; /* shifted left 8 bits */ }) geneve6_tunnel_key_t; typedef struct { u32 tunnel_index; u32 vni; } geneve_encap_trace_t; typedef struct { /* Required for pool_get_aligned */ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /* Rewrite string. $$$$ embed vnet_rewrite header */ u8 *rewrite; /* FIB DPO for IP forwarding of GENEVE encap packet */ dpo_id_t next_dpo; /* geneve VNI in HOST byte order */ u32 vni; /* geneve OPTIONS LEN in HOST byte order */ #if SUPPORT_OPTIONS_HEADER==1 u8 options_len; #endif /* tunnel local and remote addresses */ ip46_address_t local; ip46_address_t remote; /* mcast packet output intfc index (used only if remote is mcast) */ u32 mcast_sw_if_index; /* decap next index */ u32 decap_next_index; /* The FIB index for local/remote 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 GENEVE tunnel is unicast or mcast) * sending unicast GENEVE encap packets or receiving mcast GENEVE 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; u8 l3_mode; } geneve_tunnel_t; #define foreach_geneve_input_next \ _(DROP, "error-drop") \ _(L2_INPUT, "l2-input") typedef enum { #define _(s,n) GENEVE_INPUT_NEXT_##s, foreach_geneve_input_next #undef _ GENEVE_INPUT_N_NEXT, } geneve_input_next_t; typedef enum { #define geneve_error(n,s) GENEVE_ERROR_##n, #include <geneve/geneve_error.def> #undef geneve_error GENEVE_N_ERROR, } geneve_input_error_t; typedef struct { /* vector of encap tunnel instances */ geneve_tunnel_t *tunnels; /* lookup tunnel by key */ uword *geneve4_tunnel_by_key; /* keyed on ipv4.remote + vni */ uword *geneve6_tunnel_by_key; /* keyed on ipv6.remote + vni */ /* local VTEP IPs ref count used by geneve-bypass node to check if received GENEVE packet DIP matches any local VTEP address */ vtep_table_t vtep_table; /* 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; /* convenience */ vlib_main_t *vlib_main; vnet_main_t *vnet_main; u16 msg_id_base; /* cache for last 8 geneve tunnel */ #ifdef CLIB_HAVE_VEC512 vtep4_cache_t vtep4_u512; #endif } geneve_main_t; extern geneve_main_t geneve_main; extern vlib_node_registration_t geneve4_input_node; extern vlib_node_registration_t geneve6_input_node; extern vlib_node_registration_t geneve4_encap_node; extern vlib_node_registration_t geneve6_encap_node; u8 *format_geneve_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 local, remote; u32 mcast_sw_if_index; u32 encap_fib_index; u32 decap_next_index; u32 vni; u8 l3_mode; } vnet_geneve_add_del_tunnel_args_t; int vnet_geneve_add_del_tunnel (vnet_geneve_add_del_tunnel_args_t * a, u32 * sw_if_indexp); void vnet_int_geneve_bypass_mode (u32 sw_if_index, u8 is_ip6, u8 is_enable); #endif /* included_vnet_geneve_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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