summaryrefslogtreecommitdiffstats
path: root/src/plugins/sixrd/ip6_sixrd.c
diff options
context:
space:
mode:
authorOle Troan <ot@cisco.com>2018-02-12 18:14:39 +0100
committerNeale Ranns <nranns@cisco.com>2018-03-01 14:37:11 +0000
commit6ee4051139409eb53cd41b2b73dac838e8c4e8a0 (patch)
treec7c8e5ac17cfb31c84684a877e7da027c191e64e /src/plugins/sixrd/ip6_sixrd.c
parent62bab658e7ca782c8d35dacacfa5906ddbcaf437 (diff)
6RD: Rewritten 6RD RFC5969 support.
Change-Id: Ic30fbcb2630f39e45345d7215babf5d7ed4b33a0 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/plugins/sixrd/ip6_sixrd.c')
-rw-r--r--src/plugins/sixrd/ip6_sixrd.c129
1 files changed, 0 insertions, 129 deletions
diff --git a/src/plugins/sixrd/ip6_sixrd.c b/src/plugins/sixrd/ip6_sixrd.c
deleted file mode 100644
index 36f3fab320b..00000000000
--- a/src/plugins/sixrd/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",
- },
-};