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Diffstat (limited to 'plugins/sixrd-plugin/sixrd/sixrd.h')
| -rw-r--r-- | plugins/sixrd-plugin/sixrd/sixrd.h | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/plugins/sixrd-plugin/sixrd/sixrd.h b/plugins/sixrd-plugin/sixrd/sixrd.h deleted file mode 100644 index 56714c9e3bd..00000000000 --- a/plugins/sixrd-plugin/sixrd/sixrd.h +++ /dev/null @@ -1,141 +0,0 @@ -/*--------------------------------------------------------------------------- - * Copyright (c) 2009-2014 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. - *--------------------------------------------------------------------------- - */ -#include <stdbool.h> -#include <vppinfra/error.h> -#include <vnet/vnet.h> -#include <vnet/ip/ip.h> -#include <vnet/fib/ip6_fib.h> - -#include "sixrd_dpo.h" - -int sixrd_create_domain(ip6_address_t *ip6_prefix, u8 ip6_prefix_len, - ip4_address_t *ip4_prefix, u8 ip4_prefix_len, - ip4_address_t *ip4_src, u32 *sixrd_domain_index, u16 mtu); -int sixrd_delete_domain(u32 sixrd_domain_index); -u8 *format_sixrd_trace(u8 *s, va_list *args); - -typedef struct { - ip6_address_t ip6_prefix; - ip4_address_t ip4_prefix; - ip4_address_t ip4_src; - u8 ip6_prefix_len; - u8 ip4_prefix_len; - - /* helpers */ - u8 shift; - - u16 mtu; -} sixrd_domain_t; - -typedef struct { - /* pool of SIXRD domains */ - sixrd_domain_t *domains; - - /* convenience */ - vlib_main_t *vlib_main; - vnet_main_t *vnet_main; -} sixrd_main_t; - -#define foreach_sixrd_error \ - /* Must be first. */ \ - _(NONE, "valid SIXRD packets") \ - _(BAD_PROTOCOL, "bad protocol") \ - _(WRONG_ICMP_TYPE, "wrong icmp type") \ - _(SEC_CHECK, "security check failed") \ - _(ICMP, "unable to translate ICMP") \ - _(UNKNOWN, "unknown") \ - _(NO_DOMAIN, "no domain") \ - _(ENCAPSULATED, "encapsulated") \ - _(DECAPSULATED, "decapsulated") \ - _(TRANSLATED_4TO6, "translated 4 to 6") \ - _(TRANSLATED_6TO4, "translated 6 to 4") \ - _(FRAGMENT, "fragment handling error") \ - _(FRAGMENT_QUEUED, "dropped, missing first fragment") \ - _(FRAGMENTED, "packets requiring fragmentation") \ - _(FRAGMENT_PARTS, "fragment parts") \ - _(MALFORMED, "malformed packet") - -typedef enum { -#define _(sym,str) SIXRD_ERROR_##sym, - foreach_sixrd_error -#undef _ - SIXRD_N_ERROR, - } sixrd_error_t; - -typedef struct { - u32 sixrd_domain_index; -} sixrd_trace_t; - -sixrd_main_t sixrd_main; - -/* - * sixrd_get_addr - */ -static_always_inline u32 -sixrd_get_addr (sixrd_domain_t *d, u64 dal) -{ - - /* 1:1 mode */ - if (d->ip4_prefix_len == 32) return (d->ip4_prefix.as_u32); - - /* Grab 32 - ip4_prefix_len bits out of IPv6 address from offset ip6_prefix_len */ - return (d->ip4_prefix.as_u32 | (u32)(dal >> d->shift)); -} - -/* - * Get the SIXRD domain from an IPv6 lookup adjacency. - */ -static_always_inline sixrd_domain_t * -ip6_sixrd_get_domain (u32 sdi, u32 *sixrd_domain_index) -{ - sixrd_main_t *mm = &sixrd_main; - sixrd_dpo_t *sd; - - sd = sixrd_dpo_get(sdi); - - ASSERT(sd); - *sixrd_domain_index = sd->sd_domain; - return pool_elt_at_index(mm->domains, *sixrd_domain_index); -} - -/* - * Get the SIXRD domain from an IPv4 lookup adjacency. - * If the IPv4 address is not shared, no lookup is required. - * The IPv6 address is used otherwise. - */ -static_always_inline sixrd_domain_t * -ip4_sixrd_get_domain (u32 sdi, ip6_address_t *addr, - u32 *sixrd_domain_index, u8 *error) -{ - sixrd_main_t *mm = &sixrd_main; - sixrd_dpo_t *sd; - - sd = sixrd_dpo_get(sdi); - *sixrd_domain_index = sd->sd_domain; - if (*sixrd_domain_index != ~0) - return pool_elt_at_index(mm->domains, *sixrd_domain_index); - - u32 lbi = ip6_fib_table_fwding_lookup(&ip6_main, 0, addr); - const dpo_id_t *dpo = load_balance_get_bucket(lbi, 0); - if (PREDICT_TRUE(dpo->dpoi_type == sixrd_dpo_type)) - { - sd = sixrd_dpo_get(dpo->dpoi_index); - *sixrd_domain_index = sd->sd_domain; - return pool_elt_at_index(mm->domains, *sixrd_domain_index); - } - *error = SIXRD_ERROR_NO_DOMAIN; - return NULL; -} |