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-rw-r--r--vnet/vnet/lisp-gpe/encap.c232
1 files changed, 0 insertions, 232 deletions
diff --git a/vnet/vnet/lisp-gpe/encap.c b/vnet/vnet/lisp-gpe/encap.c
deleted file mode 100644
index a8158782d8c..00000000000
--- a/vnet/vnet/lisp-gpe/encap.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * Copyright (c) 2016 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 <vppinfra/error.h>
-#include <vppinfra/hash.h>
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ip/udp.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/lisp-gpe/lisp_gpe.h>
-
-/* Statistics (not really errors) */
-#define foreach_lisp_gpe_encap_error \
-_(ENCAPSULATED, "good packets encapsulated")
-
-static char * lisp_gpe_encap_error_strings[] = {
-#define _(sym,string) string,
- foreach_lisp_gpe_encap_error
-#undef _
-};
-
-typedef enum {
-#define _(sym,str) LISP_GPE_ENCAP_ERROR_##sym,
- foreach_lisp_gpe_encap_error
-#undef _
- LISP_GPE_ENCAP_N_ERROR,
-} lisp_gpe_encap_error_t;
-
-typedef enum
-{
- LISP_GPE_ENCAP_NEXT_DROP,
- LISP_GPE_ENCAP_NEXT_IP4_LOOKUP,
- LISP_GPE_ENCAP_N_NEXT,
-} lisp_gpe_encap_next_t;
-
-typedef struct
-{
- u32 tunnel_index;
-} lisp_gpe_encap_trace_t;
-
-u8 *
-format_lisp_gpe_encap_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 *);
- lisp_gpe_encap_trace_t * t = va_arg (*args, lisp_gpe_encap_trace_t *);
-
- s = format (s, "LISP-GPE-ENCAP: tunnel %d", t->tunnel_index);
- return s;
-}
-
-static uword
-lisp_gpe_encap (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- u32 n_left_from, next_index, * from, * to_next;
- lisp_gpe_main_t * lgm = &lisp_gpe_main;
- u32 pkts_encapsulated = 0;
-
- from = vlib_frame_vector_args (from_frame);
- n_left_from = from_frame->n_vectors;
-
- next_index = node->cached_next_index;
-
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
-
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0, next1;
- u32 adj_index0, adj_index1, tunnel_index0, tunnel_index1;
- ip_adjacency_t * adj0, * adj1;
- lisp_gpe_tunnel_t * t0, * t1;
-
- next0 = next1 = LISP_GPE_ENCAP_NEXT_IP4_LOOKUP;
-
- /* 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(p2->data, 2*CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH(p3->data, 2*CLIB_CACHE_LINE_BYTES, LOAD);
- }
-
- bi0 = from[0];
- bi1 = from[1];
- to_next[0] = bi0;
- to_next[1] = bi1;
- from += 2;
- to_next += 2;
- n_left_to_next -= 2;
- n_left_from -= 2;
-
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
-
- /* Get adjacency and from it the tunnel_index */
- adj_index0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX];
- adj_index1 = vnet_buffer(b1)->ip.adj_index[VLIB_TX];
-
- adj0 = ip_get_adjacency (lgm->lookup_main, adj_index0);
- adj1 = ip_get_adjacency (lgm->lookup_main, adj_index1);
-
- tunnel_index0 = adj0->rewrite_header.sw_if_index;
- tunnel_index1 = adj1->rewrite_header.sw_if_index;
-
- t0 = pool_elt_at_index (lgm->tunnels, tunnel_index0);
- t1 = pool_elt_at_index (lgm->tunnels, tunnel_index1);
-
- ASSERT(t0 != 0);
- ASSERT(t1 != 0);
-
- ASSERT (sizeof(ip4_udp_lisp_gpe_header_t) == 36);
- ip4_udp_encap_two (vm, b0, b1, t0->rewrite, t1->rewrite, 36);
-
- /* Reset to look up tunnel partner in the configured FIB */
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->encap_fib_index;
- vnet_buffer(b1)->sw_if_index[VLIB_TX] = t1->encap_fib_index;
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- lisp_gpe_encap_trace_t *tr = vlib_add_trace (vm, node, b0,
- sizeof(*tr));
- tr->tunnel_index = t0 - lgm->tunnels;
- }
- if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED))
- {
- lisp_gpe_encap_trace_t *tr = vlib_add_trace (vm, node, b1,
- sizeof(*tr));
- tr->tunnel_index = t1 - lgm->tunnels;
- }
-
- pkts_encapsulated += 2;
-
- vlib_validate_buffer_enqueue_x2(vm, node, next_index, to_next,
- n_left_to_next, bi0, bi1, next0,
- next1);
- }
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- vlib_buffer_t * b0;
- u32 bi0, adj_index0, tunnel_index0;
- u32 next0 = LISP_GPE_ENCAP_NEXT_IP4_LOOKUP;
- lisp_gpe_tunnel_t * t0 = 0;
- ip_adjacency_t * adj0;
-
- 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);
-
- /* Get adjacency and from it the tunnel_index */
- adj_index0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX];
- adj0 = ip_get_adjacency (lgm->lookup_main, adj_index0);
-
- tunnel_index0 = adj0->rewrite_header.sw_if_index;
- t0 = pool_elt_at_index (lgm->tunnels, tunnel_index0);
-
- ASSERT(t0 != 0);
-
- ASSERT (sizeof(ip4_udp_lisp_gpe_header_t) == 36);
- ip4_udp_encap_one (vm, b0, t0->rewrite, 36);
-
- /* Reset to look up tunnel partner in the configured FIB */
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->encap_fib_index;
-
- pkts_encapsulated++;
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- lisp_gpe_encap_trace_t *tr = vlib_add_trace (vm, node, b0,
- sizeof(*tr));
- tr->tunnel_index = t0 - lgm->tunnels;
- }
- 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);
- }
- vlib_node_increment_counter (vm, node->node_index,
- LISP_GPE_ENCAP_ERROR_ENCAPSULATED,
- pkts_encapsulated);
- return from_frame->n_vectors;
-}
-
-VLIB_REGISTER_NODE (lisp_gpe_encap_node) = {
- .function = lisp_gpe_encap,
- .name = "lisp-gpe-encap",
- .vector_size = sizeof (u32),
- .format_trace = format_lisp_gpe_encap_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(lisp_gpe_encap_error_strings),
- .error_strings = lisp_gpe_encap_error_strings,
-
- .n_next_nodes = LISP_GPE_ENCAP_N_NEXT,
-
- .next_nodes = {
- [LISP_GPE_ENCAP_NEXT_DROP] = "error-drop",
- [LISP_GPE_ENCAP_NEXT_IP4_LOOKUP] = "ip4-lookup",
- },
-};