diff options
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.c | 605 |
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 5a24a111..00000000 --- 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); |