vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2016-09-20	Add structure to some of the documentation; VPP-223	Chris Luke	1	-2/+1
2016-09-07	Fix Coverity issue in trace_util.c (REVERSE_INULL), thanks to Damjan for high...	Vengada Govindan	1	-6/+7
2016-09-06	Move iOAM Trace as a plugin	Vengada Govindan	10	-2/+1463
2016-09-01	VPP-341: iOAM plugin documentation	Shwetha	2	-0/+483
2016-09-01	Fix for vl_client_get_first_plugin_msg_id:266: plugin 'export_eb694f98' not r...	Shwetha	1	-1/+1
2016-08-25	VPP Python language binding - plugin support	Ole Troan	1	-1/+10
2016-08-22	Raw export of IP6 packet with iOAM metadata	Shwetha	9	-0/+1394
2016-08-15	VPP-189 Fix another batch of coverity warnings	Dave Barach	2	-3/+3
2016-07-08	Remove unnecessary and obsolete configure.ac directives	Damjan Marion	1	-0/+1
2016-07-08	Multiple changes in the plugin build infra	Damjan Marion	2	-22/+12
2016-06-27	Plugins: Clean up the plugin directory so that each plugin has its own	Ole Troan	11	-0/+1845

/* * 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. */ /* * ip/ip_lookup.h: ip (4 or 6) lookup structures, adjacencies, ... * * 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. */ /** * @file * Definitions for all things IP (v4|v6) unicast and multicast lookup related. * * - Adjacency definitions and registration. * - Callbacks on route add. * - Callbacks on interface address change. */ #ifndef included_ip_lookup_h #define included_ip_lookup_h #include <vnet/vnet.h> #include <vlib/buffer.h> #include <vnet/ip/ip4_packet.h> #include <vnet/ip/ip6_packet.h> #include <vnet/fib/fib_node.h> #include <vnet/adj/adj.h> #include <vnet/dpo/dpo.h> #include <vnet/feature/feature.h> /** Flow hash configuration */ #define IP_FLOW_HASH_SRC_ADDR (1<<0) #define IP_FLOW_HASH_DST_ADDR (1<<1) #define IP_FLOW_HASH_PROTO (1<<2) #define IP_FLOW_HASH_SRC_PORT (1<<3) #define IP_FLOW_HASH_DST_PORT (1<<4) #define IP_FLOW_HASH_REVERSE_SRC_DST (1<<5) /** Default: 5-tuple without the "reverse" bit */ #define IP_FLOW_HASH_DEFAULT (0x1F) #define foreach_flow_hash_bit \ _(src, IP_FLOW_HASH_SRC_ADDR) \ _(dst, IP_FLOW_HASH_DST_ADDR) \ _(sport, IP_FLOW_HASH_SRC_PORT) \ _(dport, IP_FLOW_HASH_DST_PORT) \ _(proto, IP_FLOW_HASH_PROTO) \ _(reverse, IP_FLOW_HASH_REVERSE_SRC_DST) /** * A flow hash configuration is a mask of the flow hash options */ typedef u32 flow_hash_config_t; /* An all zeros address */ extern const ip46_address_t zero_addr; typedef struct { /* Key for mhash; in fact, just a byte offset into mhash key vector. */ u32 address_key; /* Interface which has this address. */ u32 sw_if_index; /* Address (prefix) length for this interface. */ u16 address_length; /* Will be used for something eventually. Primary vs. secondary? */ u16 flags; /* Next and previous pointers for doubly linked list of addresses per software interface. */ u32 next_this_sw_interface; u32 prev_this_sw_interface; } ip_interface_address_t; typedef enum { IP_LOCAL_NEXT_DROP, IP_LOCAL_NEXT_PUNT, IP_LOCAL_NEXT_UDP_LOOKUP, IP_LOCAL_NEXT_ICMP, IP_LOCAL_N_NEXT, } ip_local_next_t; struct ip_lookup_main_t; typedef struct ip_lookup_main_t { /** Pool of addresses that are assigned to interfaces. */ ip_interface_address_t *if_address_pool; /** Hash table mapping address to index in interface address pool. */ mhash_t address_to_if_address_index; /** Head of doubly linked list of interface addresses for each software interface. ~0 means this interface has no address. */ u32 *if_address_pool_index_by_sw_if_index; /** First table index to use for this interface, ~0 => none */ u32 *classify_table_index_by_sw_if_index; /** Feature arc indices */ u8 mcast_feature_arc_index; u8 ucast_feature_arc_index; u8 output_feature_arc_index; /** Number of bytes in a fib result. Must be at least sizeof (uword). First word is always adjacency index. */ u32 fib_result_n_bytes, fib_result_n_words; /** 1 for ip6; 0 for ip4. */ u32 is_ip6; /** Either format_ip4_address_and_length or format_ip6_address_and_length. */ format_function_t *format_address_and_length; /** Table mapping ip protocol to ip[46]-local node next index. */ u8 local_next_by_ip_protocol[256]; /** IP_BUILTIN_PROTOCOL_{TCP,UDP,ICMP,OTHER} by protocol in IP header. */ u8 builtin_protocol_by_ip_protocol[256]; } ip_lookup_main_t; clib_error_t *ip_interface_address_add_del (ip_lookup_main_t * lm, u32 sw_if_index, void *address, u32 address_length, u32 is_del, u32 * result_index); u8 *format_ip_flow_hash_config (u8 * s, va_list * args); always_inline ip_interface_address_t * ip_get_interface_address (ip_lookup_main_t * lm, void *addr_fib) { uword *p = mhash_get (&lm->address_to_if_address_index, addr_fib); return p ? pool_elt_at_index (lm->if_address_pool, p[0]) : 0; } always_inline void * ip_interface_address_get_address (ip_lookup_main_t * lm, ip_interface_address_t * a) { return mhash_key_to_mem (&lm->address_to_if_address_index, a->address_key); } /* *INDENT-OFF* */ #define foreach_ip_interface_address(lm,a,sw_if_index,loop,body) \ do { \ vnet_main_t *_vnm = vnet_get_main(); \ u32 _sw_if_index = sw_if_index; \ vnet_sw_interface_t *_swif; \ _swif = vnet_get_sw_interface (_vnm, _sw_if_index); \ \ /* \ * Loop => honor unnumbered interface addressing. \ */ \ if (_swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) \ { \ if (loop) \ _sw_if_index = _swif->unnumbered_sw_if_index; \ else \ /* the interface is unnumbered, by the caller does not want \ * unnumbered interfaces considered/honoured */ \ break; \ } \ u32 _ia = ((vec_len((lm)->if_address_pool_index_by_sw_if_index) \ > (_sw_if_index)) ? \ vec_elt ((lm)->if_address_pool_index_by_sw_if_index, \ (_sw_if_index)) : \ (u32)~0); \ ip_interface_address_t * _a; \ while (_ia != ~0) \ { \ _a = pool_elt_at_index ((lm)->if_address_pool, _ia); \ _ia = _a->next_this_sw_interface; \ (a) = _a; \ body; \ } \ } while (0) /* *INDENT-ON* */ always_inline void ip_lookup_set_buffer_fib_index (u32 * fib_index_by_sw_if_index, vlib_buffer_t * b) { vnet_buffer (b)->ip.fib_index = vec_elt (fib_index_by_sw_if_index, vnet_buffer (b)->sw_if_index[VLIB_RX]); vnet_buffer (b)->ip.fib_index = (vnet_buffer (b)->sw_if_index[VLIB_TX] == (u32) ~ 0) ? vnet_buffer (b)->ip. fib_index : vnet_buffer (b)->sw_if_index[VLIB_TX]; } typedef struct _vnet_ip_container_proxy_args { fib_prefix_t prefix; u32 sw_if_index; u8 is_add; } vnet_ip_container_proxy_args_t; clib_error_t *vnet_ip_container_proxy_add_del (vnet_ip_container_proxy_args_t * args); void ip_lookup_init (ip_lookup_main_t * lm, u32 ip_lookup_node_index); #endif /* included_ip_lookup_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */