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Diffstat (limited to 'plugins/vcgn-plugin/vcgn/cnat_ipv4_udp_outside_input.c')
-rw-r--r--plugins/vcgn-plugin/vcgn/cnat_ipv4_udp_outside_input.c605
1 files changed, 0 insertions, 605 deletions
diff --git a/plugins/vcgn-plugin/vcgn/cnat_ipv4_udp_outside_input.c b/plugins/vcgn-plugin/vcgn/cnat_ipv4_udp_outside_input.c
deleted file mode 100644
index 5a24a111f75..00000000000
--- a/plugins/vcgn-plugin/vcgn/cnat_ipv4_udp_outside_input.c
+++ /dev/null
@@ -1,605 +0,0 @@
-
-/*
- *---------------------------------------------------------------------------
- * cnat_ipv4_udp_outside_input_stages.c - cnat_ipv4_udp_outside_input node pipeline stage functions
- *
- *
- * Copyright (c) 2008-2014 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 <vlib/vlib.h>
-#include <vnet/vnet.h>
-#include <vppinfra/error.h>
-#include <vnet/buffer.h>
-
-#include "cnat_ipv4_udp.h"
-#include "dslite_db.h"
-#include "cnat_db.h"
-#include "cnat_v4_functions.h"
-
-//#include <dslite_v6_functions.h>
-//#include <pool.h>
-//#include "cnat_va_db.h"
-
-#define foreach_cnat_ipv4_udp_outside_input_error \
-_(CNAT_V4_UDP_O2I_T_PKT, "v4 udp o2i transmit") \
-_(CNAT_V4_DSLITE_ENCAP_CTR, "to dslite encap") \
-_(CNAT_V4_UDP_O2I_MISS_PKT, "v4 udp o2i db miss drop") \
-_(CNAT_V4_UDP_O2I_TTL_GEN, "v4 udp o2i TTL gen") \
-_(CNAT_V4_UDP_O2I_TTL_DROP, "v4 udp o2i TTL drop") \
-_(CNAT_V4_UDP_O2I_PTB_GEN, "v4 ptb gen") \
-_(CNAT_V4_UDP_O2I_PTB_DROP, "v4 ptb throttle drop") \
-_(CNAT_V4_UDP_O2I_SESSION_DROP, "v4 udp o2i session drop") \
-_(CNAT_V4_UDP_O2I_FILTER_DROP, "v4 udp o2i drop: end point filtering") \
-_(CNAT_V4_UDP_O2I_SUB_FRAG_NO_DB_DROP, "v4 udp o2i subsequent frag no DB drop") \
-_(CNAT_V4_UDP_O2I_1ST_FRAG_FILTER_DROP, "v4 udp i2o 1st frag filter drop")
-
-typedef enum {
-#define _(sym,str) sym,
- foreach_cnat_ipv4_udp_outside_input_error
-#undef _
- CNAT_IPV4_UDP_OUTSIDE_INPUT_N_ERROR,
-} cnat_ipv4_udp_outside_input_t;
-
-static char * cnat_ipv4_udp_outside_input_error_strings[] = {
-#define _(sym,string) string,
- foreach_cnat_ipv4_udp_outside_input_error
-#undef _
-};
-
-typedef struct {
- u32 cached_next_index;
- /* $$$$ add data here */
-
- /* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
-} cnat_ipv4_udp_outside_input_main_t;
-
-typedef enum {
- //CNAT_V4_O2I_FIXME,
- CNAT_V4_UDP_O2I_E,
- CNAT_V4_UDP_O2I_T,
- CNAT_V4_UDP_O2I_NEXT,
-} cnat_ipv4_udp_outside_input_next_t;
-
-//#define CNAT_V4_DSLITE_ENCAP CNAT_V4_O2I_FIXME
-//#define CNAT_V4_UDP_O2I_E CNAT_V4_O2I_FIXME
-
-cnat_ipv4_udp_outside_input_main_t cnat_ipv4_udp_outside_input_main;
-vlib_node_registration_t cnat_ipv4_udp_outside_input_node;
-
-#define NSTAGES 6
-
-/*
- * Use the generic buffer metadata + first line of packet data prefetch
- * stage function from <api/pipeline.h>. This is usually a Good Idea.
- */
-#define stage0 generic_stage0
-
-
-#if 0
-typedef struct cnat_ipv4_udp_outside_input_pipeline_data_ {
- //spp_node_main_vector_t *nmv;
- dslite_common_pipeline_data_t common_data;
- /* Add additional pipeline stage data here... */
- u32 bucket;
-#ifdef DSLITE_DEF
- u32 user_bucket;
- dslite_v4_to_v6_udp_counter_t *udp_counter;
- dslite_icmp_gen_counter_t *icmp_gen_counter;
-
-#endif
- cnat_key_t ki;
- udp_hdr_type_t *udp;
- u8 frag_pkt;
-} cnat_ipv4_udp_outside_input_pipeline_data_t;
-
-#endif
-
-#define CNAT_UDP_OUTSIDE_UPDATE_FLAG_TIMER(db,dslite_nat44_inst_id) \
- if (PREDICT_FALSE(!(db->flags & CNAT_DB_FLAG_UDP_ACTIVE))) { \
- db->flags |= CNAT_DB_FLAG_UDP_ACTIVE; \
- CNAT_DB_TIMEOUT_RST(db); \
- } else if (PREDICT_FALSE(db->flags & CNAT_DB_DSLITE_FLAG)) { \
- if (PREDICT_TRUE(dslite_table_db_ptr[dslite_nat44_inst_id].mapping_refresh_both_direction)) { \
- CNAT_DB_TIMEOUT_RST(db); \
- } \
- } else if (PREDICT_TRUE(mapping_refresh_both_direction)) { \
- CNAT_DB_TIMEOUT_RST(db); \
- } \
-
-#if 0
-static cnat_ipv4_udp_outside_input_pipeline_data_t pctx_data[SPP_MAXDISPATCH];
-#define EXTRA_PIPELINE_ARGS_PROTO , cnat_ipv4_udp_outside_input_pipeline_data_t *pctx
-#define EXTRA_PIPELINE_ARGS , pctx
-
-#endif
-
-/*inline u32
-is_static_dest_nat_enabled(u16 vrf)
-{
- if(static_dest_vrf_map_array[vrf] == 1) {
- return CNAT_SUCCESS;
- }
- return CNAT_NO_CONFIG;
-}*/
-
-static inline void __attribute__((unused))
-swap_ip_dst(ipv4_header *ip, cnat_main_db_entry_t *db, u16 vrf)
-{
-
- CNAT_UPDATE_L3_CHECKSUM_DECLARE
- /*
- * calculate checksum
- */
- CNAT_UPDATE_L3_CHECKSUM(((u16)(db->out2in_key.k.ipv4)),
- ((u16)(db->out2in_key.k.ipv4 >> 16)),
- (clib_host_to_net_u16(ip->checksum)),
- ((u16)(db->in2out_key.k.ipv4)),
- ((u16)(db->in2out_key.k.ipv4 >> 16)))
- //set ip header
- ip->dest_addr =
- clib_host_to_net_u32(db->in2out_key.k.ipv4);
- ip->checksum =
- clib_host_to_net_u16(new_l3_c);
-
-#if 0
-
- if(is_static_dest_nat_enabled(vrf) == CNAT_SUCCESS) {
- direction = 1;
- if(cnat_static_dest_db_get_translation(ip->src_addr, &postmap_ip, vrf, direction) == CNAT_SUCCESS) {
- old_ip = spp_net_to_host_byte_order_32(&(ip->src_addr));
- old_postmap_ip = spp_net_to_host_byte_order_32(&postmap_ip);
-
- CNAT_UPDATE_L3_CHECKSUM(((u16)(old_ip & 0xFFFF)),
- ((u16)(old_ip >> 16)),
- (spp_net_to_host_byte_order_16(&(ip->checksum))),
- ((u16)(old_postmap_ip & 0xFFFF)),
- ((u16)(old_postmap_ip >> 16)))
- ip->checksum =
- clib_host_to_net_u16(new_l3_c);
- ip->src_addr = postmap_ip;
- }
- }
-#endif
-}
-
-inline void swap_ip_dst_udp_port(ipv4_header *ip,
- udp_hdr_type_t *udp,
- cnat_main_db_entry_t *db, u16 vrf)
-{
-
-#define UDP_PACKET_DEBUG 1
-
-// Temporary debugs which will be suppressed later
-#ifdef UDP_PACKET_DEBUG
- if (PREDICT_FALSE(udp_outside_packet_dump_enable)) {
- printf("\nOut2In UDP packet before translation");
- print_udp_pkt(ip);
- }
-#endif
-
-#if 0
- if(is_static_dest_nat_enabled(vrf) == CNAT_SUCCESS) {
- direction = 1;
- if(cnat_static_dest_db_get_translation(ip->src_addr, &postmap_ip, vrf, direction) == CNAT_SUCCESS) {
-
- CNAT_UPDATE_L3_L4_CHECKSUM_DECLARE
-
- old_ip = spp_net_to_host_byte_order_32(&(ip->src_addr));
- old_postmap_ip = spp_net_to_host_byte_order_32(&postmap_ip);
-
- CNAT_UPDATE_L3_L4_CHECKSUM(((u16)(old_ip & 0xFFFF)),
- ((u16)(old_ip >> 16)),
- (spp_net_to_host_byte_order_16(&(udp->src_port))),
- (spp_net_to_host_byte_order_16(&(ip->checksum))),
- (spp_net_to_host_byte_order_16(&(udp->udp_checksum))),
- ((u16)(old_postmap_ip & 0xFFFF)),
- ((u16)(old_postmap_ip >> 16)),
- (spp_net_to_host_byte_order_16(&(udp->src_port))))
-
- ip->checksum =
- clib_host_to_net_u16(new_l3_c);
- ip->src_addr = postmap_ip;
- if (PREDICT_TRUE(udp->udp_checksum)) {
- udp->udp_checksum = clib_host_to_net_u16(new_l4_c);
- }
- }
- }
-#endif
- /*
- * declare variable
- */
- CNAT_UPDATE_L3_L4_CHECKSUM_DECLARE
- /*
- * calculate checksum
- */
- CNAT_UPDATE_L3_L4_CHECKSUM(((u16)(db->out2in_key.k.ipv4)),
- ((u16)(db->out2in_key.k.ipv4 >> 16)),
- (db->out2in_key.k.port),
- (clib_net_to_host_u16(ip->checksum)),
- (clib_net_to_host_u16(udp->udp_checksum)),
- ((u16)(db->in2out_key.k.ipv4)),
- ((u16)(db->in2out_key.k.ipv4 >> 16)),
- (db->in2out_key.k.port))
-
-
-
-
- //set ip header
- ip->dest_addr =
- clib_host_to_net_u32(db->in2out_key.k.ipv4);
- ip->checksum =
- clib_host_to_net_u16(new_l3_c);
-
- //set udp header
- udp->dest_port =
- clib_host_to_net_u16(db->in2out_key.k.port);
-
- /*
- * No easy way to avoid this if check except by using
- * complex logic - may not be worth it.
- */
- if (PREDICT_TRUE(udp->udp_checksum)) {
- udp->udp_checksum = clib_host_to_net_u16(new_l4_c);
- }
-
-
-
-// Temporary debugs which will be suppressed later
-#ifdef UDP_PACKET_DEBUG
- if (PREDICT_FALSE(udp_outside_checksum_disable)) {
- printf("\nOut2In UDP checksum 0x%x disabled by force", new_l4_c);
- udp->udp_checksum = 0;
- }
- if (PREDICT_FALSE(udp_outside_packet_dump_enable)) {
- printf("\nOut2In UDP packet after translation");
- print_udp_pkt(ip);
- }
-#endif
-}
-
-static inline void
-stage1(vlib_main_t * vm, vlib_node_runtime_t * node, u32 buffer_index)
-{
- u64 a, b, c;
- u32 bucket;
- u8 *prefetch_target;
-
- vlib_buffer_t * b0 = vlib_get_buffer (vm, buffer_index);
- ipv4_header *ip = vlib_buffer_get_current (b0);
- u8 ipv4_hdr_len = (ip->version_hdr_len_words & 0xf) << 2;
- udp_hdr_type_t *udp = (udp_hdr_type_t *)((u8*)ip + ipv4_hdr_len);
-
- u64 tmp = 0;
- tmp = vnet_buffer(b0)->vcgn_uii.key.k.ipv4 =
- clib_net_to_host_u32(ip->dest_addr);
- vnet_buffer(b0)->vcgn_uii.key.k.port =
- clib_net_to_host_u16 (udp->dest_port);
-
- tmp |= ((u64)vnet_buffer(b0)->vcgn_uii.key.k.port) << 32;
-
- PLATFORM_CNAT_SET_RX_VRF(vnet_buffer(b0)->sw_if_index[VLIB_RX],
- vnet_buffer(b0)->vcgn_uii.key.k.vrf,
- CNAT_UDP)
- tmp |= ((u64)vnet_buffer(b0)->vcgn_uii.key.k.vrf) << 48;
-
- CNAT_V4_GET_HASH(tmp, bucket, CNAT_MAIN_HASH_MASK)
-
- prefetch_target = (u8 *)(&cnat_out2in_hash[bucket]);
- vnet_buffer(b0)->vcgn_uii.bucket = bucket;
-
- /* Prefetch the hash bucket */
- CLIB_PREFETCH(prefetch_target, CLIB_CACHE_LINE_BYTES, LOAD);
-}
-
-static inline void
-stage2(vlib_main_t * vm, vlib_node_runtime_t * node, u32 buffer_index)
-{ /* nothing */ }
-
-#define SPP_LOG2_CACHE_LINE_BYTES 6
-#define SPP_CACHE_LINE_BYTES (1 << SPP_LOG2_CACHE_LINE_BYTES)
-
-static inline void
-stage3(vlib_main_t * vm, vlib_node_runtime_t * node, u32 buffer_index)
-{
- vlib_buffer_t * b0 = vlib_get_buffer(vm, buffer_index);
- uword prefetch_target0, prefetch_target1;
- u32 bucket = vnet_buffer(b0)->vcgn_uii.bucket;
-
- /* read the hash bucket */
- u32 db_index = vnet_buffer(b0)->vcgn_uii.bucket
- = cnat_out2in_hash[bucket].next;
-
- if (PREDICT_TRUE(db_index != EMPTY)) {
- /*
- * Prefetch database keys. We save space by not cache-line
- * aligning the DB entries. We don't want to waste LSU
- * bandwidth prefetching stuff we won't need.
- */
- prefetch_target0 = (uword)(cnat_main_db + db_index);
- CLIB_PREFETCH((void*)prefetch_target0, CLIB_CACHE_LINE_BYTES, STORE);
- /* Just beyond DB key #2 */
- prefetch_target1 = prefetch_target0 +
- STRUCT_OFFSET_OF(cnat_main_db_entry_t, user_ports);
- /* If the targets are in different lines, do the second prefetch */
- if (PREDICT_FALSE((prefetch_target0 & ~(SPP_CACHE_LINE_BYTES-1)) !=
- (prefetch_target1 & ~(SPP_CACHE_LINE_BYTES-1)))) {
- CLIB_PREFETCH((void *)prefetch_target1, CLIB_CACHE_LINE_BYTES, STORE);
- }
- }
-}
-
-static inline void
-stage4(vlib_main_t * vm, vlib_node_runtime_t * node, u32 buffer_index)
-{
- cnat_main_db_entry_t *db;
- vlib_buffer_t * b0 = vlib_get_buffer(vm, buffer_index);
- u32 db_index = vnet_buffer(b0)->vcgn_uii.bucket;
-
- /*
- * Note: if the search already failed (empty bucket),
- * the answer is already in the pipeline context structure
- */
- if (PREDICT_TRUE(db_index != EMPTY)) {
-
- /*
- * Note: hash collisions suck. We can't easily prefetch around them.
- * The first trip around the track will be fast. After that, maybe
- * not so much...
- */
- do {
- db = cnat_main_db + db_index;
- if (PREDICT_TRUE(db->out2in_key.key64 ==
- vnet_buffer(b0)->vcgn_uii.key.key64)) {
- break;
- }
- db_index = db->out2in_hash.next;
- } while (db_index != EMPTY);
-
- /* Stick the answer back into the pipeline context structure */
- vnet_buffer(b0)->vcgn_uii.bucket = db_index;
- }
-}
-
-#if 0
-
-ALWAYS_INLINE(
-static inline void
-stage5(spp_ctx_t **ctxs, int index, spp_node_t *np,
- u8 *disp_used EXTRA_PIPELINE_ARGS_PROTO))
-{
- spp_ctx_t *ctx = ctxs[index];
- u32 db_index = pctx[index].bucket;
- /* for nat44, dslite_id will be 1 */
- u16 dslite_id = *(pctx[index].common_data.dslite_id_ptr);
-
- DSLITE_PREFETCH_COUNTER(pctx[index].udp_counter,
- &dslite_all_counters[dslite_id].v46_udp_counters,
- dslite_v4_to_v6_udp_counter_t,
- v4_to_v6_udp_output_count,
- "V4_TO_V6_UDP")
-
- DSLITE_PREFETCH_COUNTER(pctx[index].icmp_gen_counter,
- &dslite_all_counters[dslite_id].dslite_icmp_gen_counters,
- dslite_icmp_gen_counter_t,
- v6_icmp_gen_count,
- "V4_TO_V6_icmp")
-
-if (PREDICT_TRUE(db_index != EMPTY)) {
- cnat_main_db_entry_t *db = cnat_main_db + db_index;
-
- u32 user_db_index = db->user_index;
- DSLITE_PRINTF(1, "UDP o2i, db entry found %u %u %u\n",
- db_index, user_db_index,
- db->dslite_nat44_inst_id);
- uword prefetch_target0 = (uword)(cnat_user_db + user_db_index);
- SPP_PREFETCH(prefetch_target0, 0, LOAD);
- pctx[index].user_bucket = user_db_index;
- DSLITE_PRINTF(1, "UDP: Done with prefetch..\n");
-} else {
- DSLITE_PRINTF(1, "UDP: Stage 5, db_index empty...\n");
-}
-}
-
-#endif
-
-
-static inline u32 last_stage (vlib_main_t *vm, vlib_node_runtime_t *node,
- u32 bi)
-{
-
- vlib_buffer_t *b0 = vlib_get_buffer (vm, bi);
- u32 db_index = vnet_buffer(b0)->vcgn_uii.bucket;
- //spp_ctx_t *ctx = (spp_ctx_t *) &vnet_buffer(b0)->vcgn_uii;
- int disposition = CNAT_V4_UDP_O2I_T;
- int counter = CNAT_V4_UDP_O2I_T_PKT;
- ipv4_header *ip = (ipv4_header *)vlib_buffer_get_current(b0);
- u8 ipv4_hdr_len = (ip->version_hdr_len_words & 0xf) << 2;
- udp_hdr_type_t *udp = (udp_hdr_type_t *)((u8*)ip + ipv4_hdr_len);
- vlib_node_t *n = vlib_get_node (vm, cnat_ipv4_udp_outside_input_node.index);
- u32 node_counter_base_index = n->error_heap_index;
- vlib_error_main_t * em = &vm->error_main;
- cnat_session_entry_t *session_db = NULL;
- cnat_main_db_entry_t *db = NULL;
- cnat_key_t dest_info;
- u16 dslite_nat44_inst_id __attribute__((unused)) = 0;
-
- dest_info.k.port = clib_net_to_host_u16(udp->src_port);
- dest_info.k.ipv4 = clib_net_to_host_u32(ip->src_addr);
-
- if (PREDICT_TRUE(db_index != EMPTY)) {
- /* TTL gen was disabled for nat44 earlier
- * But since dslite has got integrated in this
- * TTL gen is enabled
- */
-
- db = cnat_main_db + db_index;
- if (PLATFORM_HANDLE_TTL_DECREMENT) {
- /*
- * Decrement TTL and update IPv4 checksum
- */
- ipv4_decr_ttl_n_calc_csum(ip);
- }
- if(PREDICT_TRUE(!PLATFORM_DBL_SUPPORT)) {
-
- /* No DBL support, so just update the destn and proceed */
- db->dst_ipv4 = dest_info.k.ipv4;
- db->dst_port = dest_info.k.port;
- CNAT_UDP_OUTSIDE_UPDATE_FLAG_TIMER(db, 0)
- goto update_pkt;
- }
-
-
- if(PREDICT_TRUE((db->dst_ipv4 == dest_info.k.ipv4) &&
- (db->dst_port == dest_info.k.port))) {
-
- CNAT_UDP_OUTSIDE_UPDATE_FLAG_TIMER(db, 0)
- goto update_pkt;
- } else {
- /* The session entries belonging to this entry are checked to find
- * if an entry exist whose destination IP and port match with the
- * source IP and port of the packet being processed
- */
- dest_info.k.vrf = db->in2out_key.k.vrf;
-
- if (PREDICT_FALSE(db->nsessions == 0)) {
- /* Should be a static entry
- * Note this session as the first session and log
- */
- cnat_add_dest_n_log(db, &dest_info);
- CNAT_UDP_OUTSIDE_UPDATE_FLAG_TIMER(db, 0)
-
- } else if(PREDICT_TRUE(db->nsessions == 1)) {
-
- /* Destn is not same as in main db. Multiple session
- * scenario
- */
- dest_info.k.vrf = db->in2out_key.k.vrf;
- session_db = cnat_handle_1to2_session(db, &dest_info);
-
- if(PREDICT_FALSE(session_db == NULL)) {
- disposition = CNAT_V4_UDP_O2I_E;
- counter = CNAT_V4_UDP_O2I_SESSION_DROP;
- goto drop_pkt;
- }
-
- /* update session_db(cur packet) timer */
- CNAT_UDP_OUTSIDE_UPDATE_FLAG_TIMER(session_db, 0)
- } else {
- /* More 2 sessions exists */
-
- dest_info.k.vrf = db->in2out_key.k.vrf;
-
- /* If session already exists,
- * cnat_create_session_db_entry will return the existing db
- * else create a new db
- * If could not create, return NULL
- */
- session_db = cnat_create_session_db_entry(&dest_info,
- db, TRUE);
-
- if(PREDICT_FALSE(session_db != NULL)) {
- /* session exists */
- CNAT_UDP_OUTSIDE_UPDATE_FLAG_TIMER(session_db, 0)
- } else {
- /* could not create session db - drop packet */
- disposition = CNAT_V4_UDP_O2I_E;
- counter = CNAT_V4_UDP_O2I_SESSION_DROP;
- goto drop_pkt;
- }
- }
- }
-
-update_pkt:
-
- /*
- * 1. update dest ipv4 addr and dest udp port
- * 2. update ipv4 checksum and udp checksum
- */
- //swap_ip_dst(ip, db, db->in2out_key.k.vrf);
- swap_ip_dst_udp_port(ip, udp, db, db->in2out_key.k.vrf);
- //DSLITE_PRINTF(1, "Done with swap_ip_dst_udp_port..\n");
-
- db->out2in_pkts++;
-
- nat44_dslite_global_stats[0].out2in_forwarding_count++;
-
- /* #### Temporarily COMMENTED FOR IP ROUTE LOOKUP ISSUE #### */
-
- //PLATFORM_CNAT_SET_TX_VRF(vnet_buffer(b0)->sw_if_index[VLIB_TX],
- // db->in2out_key.k.vrf)
- } else {
- disposition = CNAT_V4_UDP_O2I_E;
- counter = CNAT_V4_UDP_O2I_MISS_PKT;
- /* for NAT44 dslite_id would be 1 */
- nat44_dslite_common_stats[0].no_translation_entry_drops ++;
- }
-
-drop_pkt:
-
- em->counters[node_counter_base_index + counter] += 1;
- return disposition;
-}
-
-#include <vnet/pipeline.h>
-
-static uword cnat_ipv4_udp_outside_input_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- return dispatch_pipeline (vm, node, frame);
-}
-
-
-VLIB_REGISTER_NODE (cnat_ipv4_udp_outside_input_node) = {
- .function = cnat_ipv4_udp_outside_input_node_fn,
- .name = "vcgn-v4-udp-o2i",
- .vector_size = sizeof (u32),
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(cnat_ipv4_udp_outside_input_error_strings),
- .error_strings = cnat_ipv4_udp_outside_input_error_strings,
-
- .n_next_nodes = CNAT_V4_UDP_O2I_NEXT,
-
- /* edit / add dispositions here */
-#if 0
- .next_nodes = {
- //[CNAT_V4_O2I_FIXME] = "error-drop",
- //[CNAT_V4_UDP_O2I_E] = "vcgn-v4-udp-o2i-e",
- [CNAT_V4_UDP_O2I_E] = "vcgn-v4-udp-o2i-e",
- [CNAT_V4_UDP_O2I_T] = "ip4-input",
- },
-#endif
- .next_nodes = {
- [CNAT_V4_UDP_O2I_E] = "error-drop",
- [CNAT_V4_UDP_O2I_T] = "ip4-input",
- },
-
-};
-
-clib_error_t *cnat_ipv4_udp_outside_input_init (vlib_main_t *vm)
-{
- cnat_ipv4_udp_outside_input_main_t * mp = &cnat_ipv4_udp_outside_input_main;
-
- mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
-
- return 0;
-}
-
-VLIB_INIT_FUNCTION (cnat_ipv4_udp_outside_input_init);