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-rw-r--r--src/vnet/lawful-intercept/node.c288
1 files changed, 0 insertions, 288 deletions
diff --git a/src/vnet/lawful-intercept/node.c b/src/vnet/lawful-intercept/node.c
deleted file mode 100644
index c5328e672d0..00000000000
--- a/src/vnet/lawful-intercept/node.c
+++ /dev/null
@@ -1,288 +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 <vlib/vlib.h>
-#include <vnet/vnet.h>
-#include <vppinfra/error.h>
-
-#include <vnet/lawful-intercept/lawful_intercept.h>
-
-#include <vppinfra/error.h>
-#include <vppinfra/elog.h>
-
-extern vlib_node_registration_t li_hit_node;
-
-typedef struct
-{
- u32 next_index;
-} li_hit_trace_t;
-
-/* packet trace format function */
-static u8 *
-format_li_hit_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 *);
- li_hit_trace_t *t = va_arg (*args, li_hit_trace_t *);
-
- s = format (s, "LI_HIT: next index %d", t->next_index);
-
- return s;
-}
-
-#define foreach_li_hit_error \
-_(HITS, "LI packets processed") \
-_(NO_COLLECTOR, "No collector configured") \
-_(BUFFER_ALLOCATION_FAILURE, "Buffer allocation failure")
-
-typedef enum
-{
-#define _(sym,str) LI_HIT_ERROR_##sym,
- foreach_li_hit_error
-#undef _
- LI_HIT_N_ERROR,
-} li_hit_error_t;
-
-static char *li_hit_error_strings[] = {
-#define _(sym,string) string,
- foreach_li_hit_error
-#undef _
-};
-
-typedef enum
-{
- LI_HIT_NEXT_ETHERNET,
- LI_HIT_N_NEXT,
-} li_hit_next_t;
-
-VLIB_NODE_FN (li_hit_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- u32 n_left_from, *from, *to_next;
- li_hit_next_t next_index;
- vlib_frame_t *int_frame = 0;
- u32 *to_int_next = 0;
- li_main_t *lm = &li_main;
-
- from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors;
- next_index = node->cached_next_index;
-
- if (PREDICT_FALSE (vec_len (lm->collectors) == 0))
- {
- vlib_node_increment_counter (vm, li_hit_node.index,
- LI_HIT_ERROR_NO_COLLECTOR, n_left_from);
- }
- else
- {
- /* The intercept frame... */
- int_frame = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
- to_int_next = vlib_frame_vector_args (int_frame);
- }
-
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
-#if 0
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 next0 = LI_HIT_NEXT_INTERFACE_OUTPUT;
- u32 next1 = LI_HIT_NEXT_INTERFACE_OUTPUT;
- u32 sw_if_index0, sw_if_index1;
- u8 tmp0[6], tmp1[6];
- ethernet_header_t *en0, *en1;
- u32 bi0, bi1;
- vlib_buffer_t *b0, *b1;
-
- /* Prefetch next iteration. */
- {
- vlib_buffer_t *p2, *p3;
-
- p2 = vlib_get_buffer (vm, from[2]);
- p3 = vlib_get_buffer (vm, from[3]);
-
- vlib_prefetch_buffer_header (p2, LOAD);
- vlib_prefetch_buffer_header (p3, LOAD);
-
- clib_prefetch_store (p2->data);
- clib_prefetch_store (p3->data);
- }
-
- /* speculatively enqueue b0 and b1 to the current next frame */
- to_next[0] = bi0 = from[0];
- to_next[1] = bi1 = from[1];
- from += 2;
- to_next += 2;
- n_left_from -= 2;
- n_left_to_next -= 2;
-
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
-
- /* $$$$$ Dual loop: process 2 x packets here $$$$$ */
- ASSERT (b0->current_data == 0);
- ASSERT (b1->current_data == 0);
-
- en0 = vlib_buffer_get_current (b0);
- en1 = vlib_buffer_get_current (b1);
-
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
-
- /* Send pkt back out the RX interface */
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = sw_if_index0;
- vnet_buffer (b1)->sw_if_index[VLIB_TX] = sw_if_index1;
-
- /* $$$$$ End of processing 2 x packets $$$$$ */
-
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
- li_hit_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->next_index = next0;
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED)
- {
- li_hit_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->sw_if_index = sw_if_index1;
- t->next_index = next1;
- }
- }
-
- /* verify speculative enqueues, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-#endif /* $$$ dual-loop off */
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0;
- vlib_buffer_t *b0;
- vlib_buffer_t *c0;
- ip4_udp_header_t *iu0;
- ip4_header_t *ip0;
- udp_header_t *udp0;
- u32 next0 = LI_HIT_NEXT_ETHERNET;
-
- /* speculatively enqueue b0 to the current next frame */
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
- if (PREDICT_TRUE (to_int_next != 0))
- {
- /* Make an intercept copy. This can fail. */
- c0 = vlib_buffer_copy (vm, b0);
-
- if (PREDICT_FALSE (c0 == 0))
- {
- vlib_node_increment_counter
- (vm, node->node_index,
- LI_HIT_ERROR_BUFFER_ALLOCATION_FAILURE, 1);
- goto skip;
- }
-
- vlib_buffer_advance (c0, -sizeof (*iu0));
-
- iu0 = vlib_buffer_get_current (c0);
- ip0 = &iu0->ip4;
-
- ip0->ip_version_and_header_length = 0x45;
- ip0->ttl = 254;
- ip0->protocol = IP_PROTOCOL_UDP;
-
- ip0->src_address.as_u32 = lm->src_addrs[0].as_u32;
- ip0->dst_address.as_u32 = lm->collectors[0].as_u32;
- ip0->length = vlib_buffer_length_in_chain (vm, c0);
- ip0->checksum = ip4_header_checksum (ip0);
-
- udp0 = &iu0->udp;
- udp0->src_port = udp0->dst_port =
- clib_host_to_net_u16 (lm->ports[0]);
- udp0->checksum = 0;
- udp0->length =
- clib_net_to_host_u16 (vlib_buffer_length_in_chain (vm, b0));
-
- to_int_next[0] = vlib_get_buffer_index (vm, c0);
- to_int_next++;
- }
-
- skip:
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- li_hit_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
- t->next_index = next0;
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
-
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- }
-
- if (int_frame)
- {
- int_frame->n_vectors = frame->n_vectors;
- vlib_put_frame_to_node (vm, ip4_lookup_node.index, int_frame);
- }
-
- vlib_node_increment_counter (vm, li_hit_node.index,
- LI_HIT_ERROR_HITS, frame->n_vectors);
- return frame->n_vectors;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (li_hit_node) = {
- .name = "li-hit",
- .vector_size = sizeof (u32),
- .format_trace = format_li_hit_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(li_hit_error_strings),
- .error_strings = li_hit_error_strings,
-
- .n_next_nodes = LI_HIT_N_NEXT,
-
- /* edit / add dispositions here */
- .next_nodes = {
- [LI_HIT_NEXT_ETHERNET] = "ethernet-input-not-l2",
- },
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */