diff options
Diffstat (limited to 'vnet')
| -rw-r--r-- | vnet/Makefile.am | 6 | ||||
| -rw-r--r-- | vnet/vnet/ip/lookup.c | 1 | ||||
| -rw-r--r-- | vnet/vnet/ip/lookup.h | 5 | ||||
| -rw-r--r-- | vnet/vnet/map/ip4_sixrd.c | 127 | ||||
| -rw-r--r-- | vnet/vnet/map/ip6_sixrd.c | 129 | ||||
| -rw-r--r-- | vnet/vnet/map/sixrd.c | 355 | ||||
| -rw-r--r-- | vnet/vnet/map/sixrd.h | 141 |
7 files changed, 1 insertions, 763 deletions
diff --git a/vnet/Makefile.am b/vnet/Makefile.am index 3d9e07dad11..b758c7f1cc9 100644 --- a/vnet/Makefile.am +++ b/vnet/Makefile.am @@ -346,15 +346,11 @@ libvnet_la_SOURCES += \ vnet/map/map.c \ vnet/map/ip4_map.c \ vnet/map/ip6_map.c \ - vnet/map/sixrd.c \ - vnet/map/ip4_sixrd.c \ - vnet/map/ip6_sixrd.c \ vnet/map/ip4_map_t.c \ vnet/map/ip6_map_t.c nobase_include_HEADERS += \ - vnet/map/map.h \ - vnet/map/sixrd.h + vnet/map/map.h ######################################## # Tunnel protocol: gre diff --git a/vnet/vnet/ip/lookup.c b/vnet/vnet/ip/lookup.c index 5a56870f9b2..2d9e01f24b9 100644 --- a/vnet/vnet/ip/lookup.c +++ b/vnet/vnet/ip/lookup.c @@ -947,7 +947,6 @@ u8 * format_ip_lookup_next (u8 * s, va_list * args) case IP_LOOKUP_NEXT_CLASSIFY: t = "classify"; break; case IP_LOOKUP_NEXT_MAP: t = "map"; break; case IP_LOOKUP_NEXT_MAP_T: t = "map-t"; break; - case IP_LOOKUP_NEXT_SIXRD: t = "sixrd"; break; case IP_LOOKUP_NEXT_INDIRECT: t="indirect"; break; case IP_LOOKUP_NEXT_REWRITE: break; diff --git a/vnet/vnet/ip/lookup.h b/vnet/vnet/ip/lookup.h index a7aef9f52a8..35c19a77327 100644 --- a/vnet/vnet/ip/lookup.h +++ b/vnet/vnet/ip/lookup.h @@ -76,9 +76,6 @@ typedef enum { /* This packet needs to go to MAP with Translation - RFC7599 */ IP_LOOKUP_NEXT_MAP_T, - /* This packets needs to go to 6RD (RFC5969) */ - IP_LOOKUP_NEXT_SIXRD, - /* This packets needs to go to indirect next hop */ IP_LOOKUP_NEXT_INDIRECT, @@ -109,7 +106,6 @@ typedef enum { [IP_LOOKUP_NEXT_CLASSIFY] = "ip4-classify", \ [IP_LOOKUP_NEXT_MAP] = "ip4-map", \ [IP_LOOKUP_NEXT_MAP_T] = "ip4-map-t", \ - [IP_LOOKUP_NEXT_SIXRD] = "ip4-sixrd", \ [IP_LOOKUP_NEXT_INDIRECT] = "ip4-indirect", \ [IP_LOOKUP_NEXT_ICMP_ERROR] = "ip4-icmp-error", \ } @@ -124,7 +120,6 @@ typedef enum { [IP_LOOKUP_NEXT_CLASSIFY] = "ip6-classify", \ [IP_LOOKUP_NEXT_MAP] = "ip6-map", \ [IP_LOOKUP_NEXT_MAP_T] = "ip6-map-t", \ - [IP_LOOKUP_NEXT_SIXRD] = "ip6-sixrd", \ [IP_LOOKUP_NEXT_INDIRECT] = "ip6-indirect", \ [IP_LOOKUP_NEXT_ICMP_ERROR] = "ip6-icmp-error", \ [IP6_LOOKUP_NEXT_HOP_BY_HOP] = "ip6-hop-by-hop", \ diff --git a/vnet/vnet/map/ip4_sixrd.c b/vnet/vnet/map/ip4_sixrd.c deleted file mode 100644 index 2fb8015d994..00000000000 --- a/vnet/vnet/map/ip4_sixrd.c +++ /dev/null @@ -1,127 +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 "sixrd.h" - -static vlib_node_registration_t ip4_sixrd_node; - -typedef enum { - IP4_SIXRD_NEXT_IP6_LOOKUP, - IP4_SIXRD_NEXT_DROP, - IP4_SIXRD_N_NEXT, -} ip4_sixrd_next_t; - -/* - * ip4_sixrd_sec_check - */ -static_always_inline void -ip4_sixrd_sec_check (sixrd_domain_t *d, ip4_address_t sa4, ip6_address_t sa6, u8 *error) -{ - u32 a = sixrd_get_addr(d, sa6.as_u64[0]); - clib_warning("Security check: %U %U", format_ip4_address, &a, format_ip4_address, &sa4); - if (PREDICT_FALSE(sixrd_get_addr(d, sa6.as_u64[0]) != sa4.as_u32)) - *error = SIXRD_ERROR_SEC_CHECK; -} - -/* - * ip4_sixrd - */ -static uword -ip4_sixrd (vlib_main_t *vm, - vlib_node_runtime_t *node, - vlib_frame_t *frame) -{ - u32 n_left_from, *from, next_index, *to_next, n_left_to_next; - vlib_node_runtime_t *error_node = vlib_node_get_runtime(vm, ip4_sixrd_node.index); - u32 decap = 0; - - from = vlib_frame_vector_args(frame); - n_left_from = frame->n_vectors; - next_index = node->cached_next_index; - while (n_left_from > 0) { - vlib_get_next_frame(vm, node, next_index, to_next, n_left_to_next); - - /* Single loop */ - while (n_left_from > 0 && n_left_to_next > 0) { - u32 pi0; - vlib_buffer_t *p0; - u8 error0 = SIXRD_ERROR_NONE; - sixrd_domain_t *d0 = 0; - ip4_header_t *ip40; - ip6_header_t *ip60; - u32 sixrd_domain_index0 = ~0; - u32 next0; - - pi0 = to_next[0] = from[0]; - from += 1; - n_left_from -= 1; - to_next +=1; - n_left_to_next -= 1; - - p0 = vlib_get_buffer(vm, pi0); - ip40 = vlib_buffer_get_current(p0); - - /* Throw away anything that isn't IP in IP. */ - if (PREDICT_TRUE(ip40->protocol == IP_PROTOCOL_IPV6 && clib_net_to_host_u16(ip40->length) >= 60)) { - vlib_buffer_advance(p0, sizeof(ip4_header_t)); - ip60 = vlib_buffer_get_current(p0); - d0 = ip4_sixrd_get_domain(vnet_buffer(p0)->ip.adj_index[VLIB_TX], (ip6_address_t *)&ip60->src_address, - &sixrd_domain_index0, &error0); - } else { - error0 = SIXRD_ERROR_BAD_PROTOCOL; - } - if (d0) { - /* SIXRD inbound security check */ - ip4_sixrd_sec_check(d0, ip40->src_address, ip60->src_address, &error0); - } - - next0 = error0 == SIXRD_ERROR_NONE ? IP4_SIXRD_NEXT_IP6_LOOKUP : IP4_SIXRD_NEXT_DROP; - - if (PREDICT_FALSE(p0->flags & VLIB_BUFFER_IS_TRACED)) { - sixrd_trace_t *tr = vlib_add_trace(vm, node, p0, sizeof(*tr)); - tr->sixrd_domain_index = sixrd_domain_index0; - } - - p0->error = error_node->errors[error0]; - if (PREDICT_TRUE(error0 == SIXRD_ERROR_NONE)) decap++; - vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, n_left_to_next, pi0, next0); - - } - vlib_put_next_frame(vm, node, next_index, n_left_to_next); - } - vlib_node_increment_counter(vm, ip4_sixrd_node.index, SIXRD_ERROR_DECAPSULATED, decap); - - return frame->n_vectors; -} - -static char *sixrd_error_strings[] = { -#define _(sym,string) string, - foreach_sixrd_error -#undef _ -}; - -VLIB_REGISTER_NODE(ip4_sixrd_node,static) = { - .function = ip4_sixrd, - .name = "ip4-sixrd", - .vector_size = sizeof(u32), - .format_trace = format_sixrd_trace, - .n_errors = SIXRD_N_ERROR, - .error_strings = sixrd_error_strings, - .n_next_nodes = IP4_SIXRD_N_NEXT, - .next_nodes = { - [IP4_SIXRD_NEXT_IP6_LOOKUP] = "ip6-lookup", - [IP4_SIXRD_NEXT_DROP] = "error-drop", - }, -}; diff --git a/vnet/vnet/map/ip6_sixrd.c b/vnet/vnet/map/ip6_sixrd.c deleted file mode 100644 index 36f3fab320b..00000000000 --- a/vnet/vnet/map/ip6_sixrd.c +++ /dev/null @@ -1,129 +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. - *--------------------------------------------------------------------------- - */ -/* - * Defines used for testing various optimisation schemes - */ -#define SIXRD_ENCAP_DUAL 0 - -#include "sixrd.h" - -static vlib_node_registration_t ip6_sixrd_node; - -typedef enum { - IP6_SIXRD_NEXT_IP4_LOOKUP, - IP6_SIXRD_NEXT_DROP, - IP6_SIXRD_N_NEXT, -} ip6_sixrd_next_t; - -/* - * ip6_sixrd - */ -static uword -ip6_sixrd (vlib_main_t *vm, - vlib_node_runtime_t *node, - vlib_frame_t *frame) -{ - u32 n_left_from, *from, next_index, *to_next, n_left_to_next; - vlib_node_runtime_t *error_node = vlib_node_get_runtime(vm, ip6_sixrd_node.index); - u32 encap = 0; - from = vlib_frame_vector_args(frame); - n_left_from = frame->n_vectors; - next_index = node->cached_next_index; - - while (n_left_from > 0) { - vlib_get_next_frame(vm, node, next_index, to_next, n_left_to_next); - - while (n_left_from > 0 && n_left_to_next > 0) { - u32 pi0; - vlib_buffer_t *p0; - sixrd_domain_t *d0; - u8 error0 = SIXRD_ERROR_NONE; - ip6_header_t *ip60; - ip4_header_t *ip4h0; - u32 next0 = IP6_SIXRD_NEXT_IP4_LOOKUP; - u32 sixrd_domain_index0 = ~0; - - pi0 = to_next[0] = from[0]; - from += 1; - n_left_from -= 1; - to_next +=1; - n_left_to_next -= 1; - - p0 = vlib_get_buffer(vm, pi0); - ip60 = vlib_buffer_get_current(p0); - // p0->current_length = clib_net_to_host_u16(ip40->length); - d0 = ip6_sixrd_get_domain(vnet_buffer(p0)->ip.adj_index[VLIB_TX], &sixrd_domain_index0); - ASSERT(d0); - - /* SIXRD calc */ - u64 dal60 = clib_net_to_host_u64(ip60->dst_address.as_u64[0]); - u32 da40 = sixrd_get_addr(d0, dal60); - u16 len = clib_net_to_host_u16(ip60->payload_length) + 60; - if (da40 == 0) error0 = SIXRD_ERROR_UNKNOWN; - - /* construct ipv4 header */ - vlib_buffer_advance(p0, - (sizeof(ip4_header_t))); - ip4h0 = vlib_buffer_get_current(p0); - vnet_buffer(p0)->sw_if_index[VLIB_TX] = (u32)~0; - ip4h0->ip_version_and_header_length = 0x45; - ip4h0->tos = 0; - ip4h0->length = clib_host_to_net_u16(len); - ip4h0->fragment_id = 0; - ip4h0->flags_and_fragment_offset = 0; - ip4h0->ttl = 0x40; - ip4h0->protocol = IP_PROTOCOL_IPV6; - ip4h0->src_address = d0->ip4_src; - ip4h0->dst_address.as_u32 = clib_host_to_net_u32(da40); - ip4h0->checksum = ip4_header_checksum(ip4h0); - - next0 = error0 == SIXRD_ERROR_NONE ? IP6_SIXRD_NEXT_IP4_LOOKUP : IP6_SIXRD_NEXT_DROP; - - if (PREDICT_FALSE(p0->flags & VLIB_BUFFER_IS_TRACED)) { - sixrd_trace_t *tr = vlib_add_trace(vm, node, p0, sizeof(*tr)); - tr->sixrd_domain_index = sixrd_domain_index0; - } - - p0->error = error_node->errors[error0]; - if (PREDICT_TRUE(error0 == SIXRD_ERROR_NONE)) encap++; - - vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, n_left_to_next, pi0, next0); - } - vlib_put_next_frame(vm, node, next_index, n_left_to_next); - } - vlib_node_increment_counter(vm, ip6_sixrd_node.index, SIXRD_ERROR_ENCAPSULATED, encap); - - return frame->n_vectors; -} - -static char *sixrd_error_strings[] = { -#define _(sym,string) string, - foreach_sixrd_error -#undef _ -}; - -VLIB_REGISTER_NODE(ip6_sixrd_node,static) = { - .function = ip6_sixrd, - .name = "ip6-sixrd", - .vector_size = sizeof(u32), - .format_trace = format_sixrd_trace, - .n_errors = SIXRD_N_ERROR, - .error_strings = sixrd_error_strings, - .n_next_nodes = IP6_SIXRD_N_NEXT, - .next_nodes = { - [IP6_SIXRD_NEXT_IP4_LOOKUP] = "ip4-lookup", - [IP6_SIXRD_NEXT_DROP] = "error-drop", - }, -}; diff --git a/vnet/vnet/map/sixrd.c b/vnet/vnet/map/sixrd.c deleted file mode 100644 index 26b4eea9a86..00000000000 --- a/vnet/vnet/map/sixrd.c +++ /dev/null @@ -1,355 +0,0 @@ -/* - * 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. - */ - -#include "sixrd.h" - -/* - * This code supports the following sixrd modes: - * - * 32 EA bits (Complete IPv4 address is embedded): - * ea_bits_len = 32 - * IPv4 suffix is embedded: - * ea_bits_len = < 32 - * No embedded address bits (1:1 mode): - * ea_bits_len = 0 - */ - -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) -{ - sixrd_main_t *mm = &sixrd_main; - ip4_main_t *im4 = &ip4_main; - ip6_main_t *im6 = &ip6_main; - sixrd_domain_t *d; - ip_adjacency_t adj; - ip4_add_del_route_args_t args4; - ip6_add_del_route_args_t args6; - u32 *p; - - /* Get domain index */ - pool_get_aligned(mm->domains, d, CLIB_CACHE_LINE_BYTES); - memset(d, 0, sizeof (*d)); - *sixrd_domain_index = d - mm->domains; - - /* Init domain struct */ - d->ip4_prefix.as_u32 = ip4_prefix->as_u32; - d->ip4_prefix_len = ip4_prefix_len; - d->ip6_prefix = *ip6_prefix; - d->ip6_prefix_len = ip6_prefix_len; - d->ip4_src = *ip4_src; - d->mtu = mtu; - - if (ip4_prefix_len < 32) - d->shift = 64 - ip6_prefix_len + (32 - ip4_prefix_len); - - /* Init IP adjacency */ - memset(&adj, 0, sizeof(adj)); - adj.explicit_fib_index = ~0; - adj.lookup_next_index = IP_LOOKUP_NEXT_SIXRD; - p = (u32 *)&adj.rewrite_data[0]; - *p = (u32) (*sixrd_domain_index); - - /* Create ip6 adjacency */ - memset(&args6, 0, sizeof(args6)); - args6.table_index_or_table_id = 0; - args6.flags = IP6_ROUTE_FLAG_ADD; - args6.dst_address.as_u64[0] = ip6_prefix->as_u64[0]; - args6.dst_address.as_u64[1] = ip6_prefix->as_u64[1]; - args6.dst_address_length = ip6_prefix_len; - args6.adj_index = ~0; - args6.add_adj = &adj; - args6.n_add_adj = 1; - ip6_add_del_route(im6, &args6); - - /* Multiple SIXRD domains may share same source IPv4 TEP */ - uword *q = ip4_get_route(im4, 0, 0, (u8 *)ip4_src, 32); - if (q) { - u32 ai = q[0]; - ip_lookup_main_t *lm4 = &ip4_main.lookup_main; - ip_adjacency_t *adj4 = ip_get_adjacency(lm4, ai); - if (adj4->lookup_next_index != IP_LOOKUP_NEXT_SIXRD) { - clib_warning("BR source address already assigned: %U", format_ip4_address, ip4_src); - pool_put(mm->domains, d); - return -1; - } - /* Shared source */ - p = (u32 *)&adj4->rewrite_data[0]; - p[0] = ~0; - - /* Add refcount, so we don't accidentially delete the route underneath someone */ - p[1]++; - } else { - /* Create ip4 adjacency. */ - memset(&args4, 0, sizeof(args4)); - args4.table_index_or_table_id = 0; - args4.flags = IP4_ROUTE_FLAG_ADD; - args4.dst_address.as_u32 = ip4_src->as_u32; - args4.dst_address_length = 32; - args4.adj_index = ~0; - args4.add_adj = &adj; - args4.n_add_adj = 1; - ip4_add_del_route(im4, &args4); - } - - return 0; -} - -/* - * sixrd_delete_domain - */ -int -sixrd_delete_domain (u32 sixrd_domain_index) -{ - sixrd_main_t *mm = &sixrd_main; - ip4_main_t *im4 = &ip4_main; - ip6_main_t *im6 = &ip6_main; - sixrd_domain_t *d; - ip_adjacency_t adj; - ip4_add_del_route_args_t args4; - ip6_add_del_route_args_t args6; - - if (pool_is_free_index(mm->domains, sixrd_domain_index)) { - clib_warning("SIXRD domain delete: domain does not exist: %d", sixrd_domain_index); - return -1; - } - - d = pool_elt_at_index(mm->domains, sixrd_domain_index); - - memset(&adj, 0, sizeof(adj)); - adj.explicit_fib_index = ~0; - adj.lookup_next_index = IP_LOOKUP_NEXT_SIXRD; - - /* Delete ip6 adjacency */ - memset(&args6, 0, sizeof (args6)); - args6.table_index_or_table_id = 0; - args6.flags = IP6_ROUTE_FLAG_DEL; - args6.dst_address.as_u64[0] = d->ip6_prefix.as_u64[0]; - args6.dst_address.as_u64[1] = d->ip6_prefix.as_u64[1]; - args6.dst_address_length = d->ip6_prefix_len; - args6.adj_index = 0; - args6.add_adj = &adj; - args6.n_add_adj = 0; - ip6_add_del_route(im6, &args6); - - /* Delete ip4 adjacency */ - uword *q = ip4_get_route(im4, 0, 0, (u8 *)&d->ip4_src, 32); - if (q) { - u32 ai = q[0]; - ip_lookup_main_t *lm4 = &ip4_main.lookup_main; - ip_adjacency_t *adj4 = ip_get_adjacency(lm4, ai); - - u32 *p = (u32 *)&adj4->rewrite_data[0]; - /* Delete route when no other domains use this source */ - if (p[1] == 0) { - memset(&args4, 0, sizeof(args4)); - args4.table_index_or_table_id = 0; - args4.flags = IP4_ROUTE_FLAG_DEL; - args4.dst_address.as_u32 = d->ip4_prefix.as_u32; - args4.dst_address_length = d->ip4_prefix_len; - args4.adj_index = 0; - args4.add_adj = &adj; - args4.n_add_adj = 0; - ip4_add_del_route(im4, &args4); - } - p[1]--; - } - - pool_put(mm->domains, d); - - return 0; -} - -static clib_error_t * -sixrd_add_domain_command_fn (vlib_main_t *vm, - unformat_input_t *input, - vlib_cli_command_t *cmd) -{ - unformat_input_t _line_input, *line_input = &_line_input; - ip4_address_t ip4_prefix; - ip6_address_t ip6_prefix; - ip4_address_t ip4_src; - u32 ip6_prefix_len, ip4_prefix_len, sixrd_domain_index; - u32 num_m_args = 0; - /* Optional arguments */ - u32 mtu = 0; - - /* Get a line of input. */ - if (!unformat_user(input, unformat_line_input, line_input)) - return 0; - while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { - if (unformat(line_input, "ip6-pfx %U/%d", unformat_ip6_address, &ip6_prefix, &ip6_prefix_len)) - num_m_args++; - else if (unformat(line_input, "ip4-pfx %U/%d", unformat_ip4_address, &ip4_prefix, &ip4_prefix_len)) - num_m_args++; - else if (unformat(line_input, "ip4-src %U", unformat_ip4_address, &ip4_src)) - num_m_args++; - else if (unformat(line_input, "mtu %d", &mtu)) - num_m_args++; - else - return clib_error_return(0, "unknown input `%U'", - format_unformat_error, input); - } - unformat_free(line_input); - - if (num_m_args < 3) - return clib_error_return(0, "mandatory argument(s) missing"); - - sixrd_create_domain(&ip6_prefix, ip6_prefix_len, &ip4_prefix, ip4_prefix_len, - &ip4_src, &sixrd_domain_index, mtu); - - return 0; -} - -static clib_error_t * -sixrd_del_domain_command_fn (vlib_main_t *vm, - unformat_input_t *input, - vlib_cli_command_t *cmd) -{ - unformat_input_t _line_input, *line_input = &_line_input; - u32 num_m_args = 0; - u32 sixrd_domain_index; - - /* Get a line of input. */ - if (! unformat_user(input, unformat_line_input, line_input)) - return 0; - - while (unformat_check_input(line_input) != UNFORMAT_END_OF_INPUT) { - if (unformat(line_input, "index %d", &sixrd_domain_index)) - num_m_args++; - else - return clib_error_return(0, "unknown input `%U'", - format_unformat_error, input); - } - unformat_free(line_input); - - if (num_m_args != 1) - return clib_error_return(0, "mandatory argument(s) missing"); - - sixrd_delete_domain(sixrd_domain_index); - - return 0; -} - -static u8 * -format_sixrd_domain (u8 *s, va_list *args) -{ - sixrd_domain_t *d = va_arg(*args, sixrd_domain_t *); - sixrd_main_t *mm = &sixrd_main; - - s = format(s, - "[%d] ip6-pfx %U/%d ip4-pfx %U/%d ip4-src %U mtu %d", - d - mm->domains, - format_ip6_address, &d->ip6_prefix, d->ip6_prefix_len, - format_ip4_address, &d->ip4_prefix, d->ip4_prefix_len, - format_ip4_address, &d->ip4_src, d->mtu); - - return s; -} - -static clib_error_t * -show_sixrd_domain_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd) -{ - sixrd_main_t *mm = &sixrd_main; - sixrd_domain_t *d; - - if (pool_elts(mm->domains) == 0) - vlib_cli_output(vm, "No SIXRD domains are configured..."); - - pool_foreach(d, mm->domains, ({vlib_cli_output(vm, "%U", format_sixrd_domain, d);})); - - return 0; - -} - -static clib_error_t * -show_sixrd_stats_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd) -{ - sixrd_main_t *mm = &sixrd_main; - sixrd_domain_t *d; - int domains = 0, domaincount = 0; - if (pool_elts (mm->domains) == 0) - vlib_cli_output (vm, "No SIXRD domains are configured..."); - - pool_foreach(d, mm->domains, ({ - domains += sizeof(*d); - domaincount++; - })); - - vlib_cli_output(vm, "SIXRD domains structure: %d\n", sizeof (sixrd_domain_t)); - vlib_cli_output(vm, "SIXRD domains: %d (%d bytes)\n", domaincount, domains); - - return 0; -} - -/* - * packet trace format function - */ -u8 * -format_sixrd_trace (u8 *s, va_list *args) -{ - CLIB_UNUSED(vlib_main_t *vm) = va_arg (*args, vlib_main_t *); - CLIB_UNUSED(vlib_node_t *node) = va_arg (*args, vlib_node_t *); - sixrd_trace_t *t = va_arg (*args, sixrd_trace_t *); - u32 sixrd_domain_index = t->sixrd_domain_index; - - s = format(s, "SIXRD domain index: %d", sixrd_domain_index); - - return s; -} - -VLIB_CLI_COMMAND(sixrd_add_domain_command, static) = { - .path = "sixrd add domain", - .short_help = - "sixrd add domain ip6-pfx <ip6-pfx> ip4-pfx <ip4-pfx> ip4-src <ip4-addr>", - .function = sixrd_add_domain_command_fn, -}; - -VLIB_CLI_COMMAND(sixrd_del_command, static) = { - .path = "sixrd del domain", - .short_help = - "sixrd del domain index <domain>", - .function = sixrd_del_domain_command_fn, -}; - -VLIB_CLI_COMMAND(show_sixrd_domain_command, static) = { - .path = "show sixrd domain", - .function = show_sixrd_domain_command_fn, -}; - -VLIB_CLI_COMMAND(show_sixrd_stats_command, static) = { - .path = "show sixrd stats", - .function = show_sixrd_stats_command_fn, -}; - -/* - * sixrd_init - */ -clib_error_t *sixrd_init (vlib_main_t *vm) -{ - sixrd_main_t *mm = &sixrd_main; - - mm->vnet_main = vnet_get_main(); - mm->vlib_main = vm; - - return 0; -} - -VLIB_INIT_FUNCTION(sixrd_init); diff --git a/vnet/vnet/map/sixrd.h b/vnet/vnet/map/sixrd.h deleted file mode 100644 index 388ba4d298b..00000000000 --- a/vnet/vnet/map/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> - -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 adj_index, u32 *sixrd_domain_index) -{ - sixrd_main_t *mm = &sixrd_main; - ip_lookup_main_t *lm = &ip6_main.lookup_main; - ip_adjacency_t *adj = ip_get_adjacency(lm, adj_index); - ASSERT(adj); - uword *p = (uword *)adj->rewrite_data; - ASSERT(p); - *sixrd_domain_index = p[0]; - return pool_elt_at_index(mm->domains, p[0]); -} - -/* - * 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 adj_index, ip6_address_t *addr, - u32 *sixrd_domain_index, u8 *error) -{ - sixrd_main_t *mm = &sixrd_main; - ip6_main_t *im6 = &ip6_main; - ip_lookup_main_t *lm4 = &ip4_main.lookup_main; - ip_lookup_main_t *lm6 = &ip6_main.lookup_main; - ip_adjacency_t *adj = ip_get_adjacency(lm4, adj_index); - ASSERT(adj); - uword *p = (uword *)adj->rewrite_data; - ASSERT(p); - *sixrd_domain_index = p[0]; - if (p[0] != ~0) - return pool_elt_at_index(mm->domains, p[0]); - - u32 ai = ip6_fib_lookup_with_table(im6, 0, addr); - ip_adjacency_t *adj6 = ip_get_adjacency (lm6, ai); - if (PREDICT_TRUE(adj6->lookup_next_index == IP_LOOKUP_NEXT_SIXRD)) { - uword *p = (uword *)adj6->rewrite_data; - *sixrd_domain_index = p[0]; - return pool_elt_at_index(mm->domains, *sixrd_domain_index); - } - *error = SIXRD_ERROR_NO_DOMAIN; - return NULL; -} |