ikev2: handoff packets
current approach saves state in per-thread data structure. in multi-worker + nat-t cases udp/500 and udp/4500 might be dispatched on different workers. this patch adds hands off packet to 1 explicit thread - 1st worker (or main thread in case there're no workers) or to thread that was explicitly set by user via configuration Type: improvement Change-Id: Ib5cd9a4b8612dfaa63b276035709524f7a492d4f Signed-off-by: Stanislav Zaikin <stanislav.zaikin@46labs.com>
This commit is contained in:
Stanislav Zaikin
committed by
Beno�t Ganne
Beno�t Ganne
parent
9aa833b144
commit
0f2c6cd1ab
@ -27,6 +27,7 @@ add_vpp_plugin(ikev2
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ikev2_crypto.c
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ikev2_format.c
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ikev2_payload.c
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ikev2_handoff.c
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API_FILES
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ikev2_types.api
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@ -658,6 +658,12 @@ counters ikev2 {
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units "packets";
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description "IKE AUTH SA requests received";
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};
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handoff {
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severity info;
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type counter64;
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units "packets";
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description "IKE packets handoff";
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};
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};
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paths {
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"/err/ikev2-ip4" "ike";
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@ -97,6 +97,7 @@ format_ikev2_gen_sa_error (u8 * s, va_list * args)
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typedef enum
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{
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IKEV2_NEXT_IP4_LOOKUP,
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IKEV2_NEXT_IP4_HANDOFF,
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IKEV2_NEXT_IP4_ERROR_DROP,
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IKEV2_IP4_N_NEXT,
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} ikev2_ip4_next_t;
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@ -104,6 +105,7 @@ typedef enum
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typedef enum
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{
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IKEV2_NEXT_IP6_LOOKUP,
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IKEV2_NEXT_IP6_HANDOFF,
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IKEV2_NEXT_IP6_ERROR_DROP,
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IKEV2_IP6_N_NEXT,
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} ikev2_ip6_next_t;
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@ -3187,6 +3189,7 @@ ikev2_node_internal (vlib_main_t *vm, vlib_node_runtime_t *node,
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vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
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u16 nexts[VLIB_FRAME_SIZE], *next = nexts;
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ikev2_main_per_thread_data_t *ptd = ikev2_get_per_thread_data ();
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u32 thread_index = vm->thread_index;
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ikev2_stats_t _stats, *stats = &_stats;
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int res;
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@ -3213,6 +3216,14 @@ ikev2_node_internal (vlib_main_t *vm, vlib_node_runtime_t *node,
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int ip_hdr_sz = 0;
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int is_req = 0;
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if (PREDICT_TRUE (thread_index != km->handoff_thread))
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{
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vlib_node_increment_counter (vm, node->node_index,
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IKEV2_ERROR_HANDOFF, 1);
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next[0] = is_ip4 ? IKEV2_NEXT_IP4_HANDOFF : IKEV2_NEXT_IP6_HANDOFF;
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goto out;
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}
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if (natt)
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{
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u8 *ptr = vlib_buffer_get_current (b0);
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@ -3723,6 +3734,8 @@ ikev2_node_internal (vlib_main_t *vm, vlib_node_runtime_t *node,
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ikev2_delete_sa (ptd, sa0);
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}
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out:
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if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
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&& (b0->flags & VLIB_BUFFER_IS_TRACED)))
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{
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@ -3775,6 +3788,7 @@ VLIB_REGISTER_NODE (ikev2_node_ip4,static) = {
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.n_next_nodes = IKEV2_IP4_N_NEXT,
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.next_nodes = {
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[IKEV2_NEXT_IP4_LOOKUP] = "ip4-lookup",
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[IKEV2_NEXT_IP4_HANDOFF] = "ikev2-ip4-handoff",
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[IKEV2_NEXT_IP4_ERROR_DROP] = "error-drop",
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},
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};
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@ -3792,6 +3806,7 @@ VLIB_REGISTER_NODE (ikev2_node_ip4_natt,static) = {
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.n_next_nodes = IKEV2_IP4_N_NEXT,
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.next_nodes = {
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[IKEV2_NEXT_IP4_LOOKUP] = "ip4-lookup",
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[IKEV2_NEXT_IP4_HANDOFF] = "ikev2-ip4-natt-handoff",
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[IKEV2_NEXT_IP4_ERROR_DROP] = "error-drop",
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},
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};
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@ -3809,6 +3824,7 @@ VLIB_REGISTER_NODE (ikev2_node_ip6,static) = {
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.n_next_nodes = IKEV2_IP6_N_NEXT,
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.next_nodes = {
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[IKEV2_NEXT_IP6_LOOKUP] = "ip6-lookup",
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[IKEV2_NEXT_IP4_HANDOFF] = "ikev2-ip6-handoff",
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[IKEV2_NEXT_IP6_ERROR_DROP] = "error-drop",
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},
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};
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@ -5126,6 +5142,8 @@ ikev2_init (vlib_main_t * vm)
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km->liveness_period = IKEV2_LIVENESS_PERIOD_CHECK;
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km->liveness_max_retries = IKEV2_LIVENESS_RETRIES;
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km->handoff_thread = vlib_num_workers () ? 1 : 0;
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return 0;
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}
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@ -5133,6 +5151,31 @@ VLIB_INIT_FUNCTION (ikev2_init) = {
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.runs_after = VLIB_INITS ("ipsec_init", "ipsec_punt_init"),
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};
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static clib_error_t *
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ikev2_config (vlib_main_t *vm, unformat_input_t *input)
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{
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ikev2_main_t *km = &ikev2_main;
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while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
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{
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if (unformat (input, "handoff-thread %d", &km->handoff_thread))
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{
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if (km->handoff_thread > vlib_num_workers ())
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{
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return clib_error_return (0, "wrong handoff-thread %d",
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km->handoff_thread);
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}
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}
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else
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return clib_error_return (0, "unknown input `%U'", format_unformat_error,
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input);
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}
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return 0;
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}
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VLIB_CONFIG_FUNCTION (ikev2_config, "ikev2");
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static u8
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ikev2_mngr_process_child_sa (ikev2_sa_t * sa, ikev2_child_sa_t * csa,
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u8 del_old_ids)
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@ -5447,6 +5490,7 @@ ikev2_send_informational_request (ikev2_sa_t * sa)
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}
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dp = sa->dst_port ? sa->dst_port : ikev2_get_port (sa);
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ikev2_send_ike (km->vlib_main, src, dst, bi0, len, ikev2_get_port (sa), dp,
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sa->sw_if_index);
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}
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@ -5625,6 +5669,15 @@ ikev2_lazy_init (ikev2_main_t *km)
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if (!km->dns_resolve_name_ptr)
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ikev2_log_error ("cannot load symbols from dns plugin");
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km->handoff_ip4_fq_index =
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vlib_frame_queue_main_init (ikev2_node_ip4.index, 0);
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km->handoff_ip4_natt_fq_index =
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vlib_frame_queue_main_init (ikev2_node_ip4_natt.index, 0);
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km->handoff_ip6_fq_index =
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vlib_frame_queue_main_init (ikev2_node_ip6.index, 0);
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/* wake up ikev2 process */
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vlib_process_signal_event (vlib_get_first_main (),
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ikev2_mngr_process_node.index, 0, 0);
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@ -577,6 +577,7 @@ vl_api_ikev2_child_sa_dump_t_handler (vl_api_ikev2_child_sa_dump_t * mp)
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vec_foreach (child, sa->childs)
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{
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u32 child_sa_index = child - sa->childs;
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sai = ikev2_encode_sa_index (sai, tkm - im->per_thread_data);
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send_child_sa (child, mp, child_sa_index, sai);
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}
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}
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165
src/plugins/ikev2/ikev2_handoff.c
Normal file
165
src/plugins/ikev2/ikev2_handoff.c
Normal file
@ -0,0 +1,165 @@
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/*
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* Copyright (c) 2015 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <vlib/vlib.h>
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#include <vnet/vnet.h>
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#include <ikev2/ikev2_priv.h>
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extern ikev2_main_t ikev2_main;
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#define foreach_ikev2_handoff_error _ (CONGESTION_DROP, "congestion drop")
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typedef enum
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{
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#define _(sym, str) IKEV2_HANDOFF_ERROR_##sym,
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foreach_ikev2_handoff_error
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#undef _
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IKEV2_HANDOFF_N_ERROR,
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} ikev2_handoff_error_t;
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static char *ikev2_handoff_error_strings[] = {
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#define _(sym, string) string,
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foreach_ikev2_handoff_error
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#undef _
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};
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typedef struct ikev2_handoff_trace_t_
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{
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u32 current_worker_index;
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u32 next_worker_index;
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} ikev2_handoff_trace_t;
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u8 *
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format_ikev2_handoff_trace (u8 *s, va_list *args)
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{
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CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
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CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
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ikev2_handoff_trace_t *t = va_arg (*args, ikev2_handoff_trace_t *);
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s = format (s, "ikev2 handoff %d to %d", t->current_worker_index,
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t->next_worker_index);
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return s;
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}
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static_always_inline uword
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ikev2_handoff_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
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vlib_frame_t *frame, u32 fq_index)
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{
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ikev2_main_t *km = &ikev2_main;
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vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
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u16 thread_indices[VLIB_FRAME_SIZE], *ti;
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u32 n_enq, n_left_from, *from;
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u32 this_thread;
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this_thread = vm->thread_index;
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from = vlib_frame_vector_args (frame);
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n_left_from = frame->n_vectors;
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vlib_get_buffers (vm, from, bufs, n_left_from);
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b = bufs;
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ti = thread_indices;
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while (n_left_from > 0)
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{
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ti[0] = km->handoff_thread;
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if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
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b[0]->flags & VLIB_BUFFER_IS_TRACED))
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{
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ikev2_handoff_trace_t *t =
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vlib_add_trace (vm, node, b[0], sizeof (*t));
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t->current_worker_index = this_thread;
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t->next_worker_index = ti[0];
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}
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n_left_from--;
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ti++;
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b++;
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}
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n_enq = vlib_buffer_enqueue_to_thread (vm, node, fq_index, from,
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thread_indices, frame->n_vectors, 1);
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if (n_enq < frame->n_vectors)
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vlib_node_increment_counter (vm, node->node_index,
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IKEV2_HANDOFF_ERROR_CONGESTION_DROP,
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frame->n_vectors - n_enq);
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return n_enq;
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}
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/* Do worker handoff based on the ikev2's thread_index */
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VLIB_NODE_FN (ikev2_ip4_handoff)
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(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
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{
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ikev2_main_t *km = &ikev2_main;
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return ikev2_handoff_inline (vm, node, from_frame, km->handoff_ip4_fq_index);
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}
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VLIB_NODE_FN (ikev2_ip4_natt_handoff)
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(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
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{
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ikev2_main_t *km = &ikev2_main;
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return ikev2_handoff_inline (vm, node, from_frame,
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km->handoff_ip4_natt_fq_index);
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}
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VLIB_NODE_FN (ikev2_ip6_handoff)
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(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
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{
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ikev2_main_t *km = &ikev2_main;
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return ikev2_handoff_inline (vm, node, from_frame, km->handoff_ip6_fq_index);
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}
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VLIB_REGISTER_NODE (ikev2_ip4_handoff) = {
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.name = "ikev2-ip4-handoff",
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.vector_size = sizeof (u32),
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.format_trace = format_ikev2_handoff_trace,
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.type = VLIB_NODE_TYPE_INTERNAL,
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.n_errors = ARRAY_LEN(ikev2_handoff_error_strings),
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.error_strings = ikev2_handoff_error_strings,
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.n_next_nodes = 1,
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.next_nodes = {
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[0] = "error-drop",
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},
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};
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VLIB_REGISTER_NODE (ikev2_ip4_natt_handoff) = {
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.name = "ikev2-ip4-natt-handoff",
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.vector_size = sizeof (u32),
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.format_trace = format_ikev2_handoff_trace,
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.type = VLIB_NODE_TYPE_INTERNAL,
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.n_errors = ARRAY_LEN(ikev2_handoff_error_strings),
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.error_strings = ikev2_handoff_error_strings,
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.n_next_nodes = 1,
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.next_nodes = {
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[0] = "error-drop",
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},
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};
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VLIB_REGISTER_NODE (ikev2_ip6_handoff) = {
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.name = "ikev2-ip6-handoff",
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.vector_size = sizeof (u32),
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.format_trace = format_ikev2_handoff_trace,
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.type = VLIB_NODE_TYPE_INTERNAL,
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.n_errors = ARRAY_LEN(ikev2_handoff_error_strings),
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.error_strings = ikev2_handoff_error_strings,
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.n_next_nodes = 1,
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.next_nodes = {
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[0] = "error-drop",
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},
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};
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@ -571,6 +571,12 @@ typedef struct
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/* punt handle for IPsec NATT IPSEC_PUNT_IP4_SPI_UDP_0 reason */
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vlib_punt_hdl_t punt_hdl;
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/** Worker handoff */
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u32 handoff_thread;
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u32 handoff_ip4_fq_index;
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u32 handoff_ip4_natt_fq_index;
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u32 handoff_ip6_fq_index;
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} ikev2_main_t;
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extern ikev2_main_t ikev2_main;
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@ -675,7 +675,7 @@ class IkePeer(VppTestCase):
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self.assertIsNotNone(self.p.query_vpp_config())
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if self.sa.is_initiator:
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self.sa.generate_dh_data()
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self.vapi.cli("ikev2 set logging level 4")
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self.vapi.cli("ikev2 set logging level 5")
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self.vapi.cli("event-lo clear")
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def assert_counter(self, count, name, version="ip4"):
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@ -2023,20 +2023,21 @@ class TestApi(VppTestCase):
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self.assertEqual(ap.tun_itf, 0xFFFFFFFF)
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@tag_fixme_vpp_workers
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class TestResponderBehindNAT(TemplateResponder, Ikev2Params):
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"""test responder - responder behind NAT"""
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IKE_NODE_SUFFIX = "ip4-natt"
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vpp_worker_count = 2
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def config_tc(self):
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self.config_params({"r_natt": True})
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@tag_fixme_vpp_workers
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class TestInitiatorNATT(TemplateInitiator, Ikev2Params):
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"""test ikev2 initiator - NAT traversal (intitiator behind NAT)"""
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vpp_worker_count = 2
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def config_tc(self):
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self.config_params(
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{
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@ -2065,10 +2066,11 @@ class TestInitiatorNATT(TemplateInitiator, Ikev2Params):
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)
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@tag_fixme_vpp_workers
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class TestInitiatorPsk(TemplateInitiator, Ikev2Params):
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"""test ikev2 initiator - pre shared key auth"""
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vpp_worker_count = 2
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def config_tc(self):
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self.config_params(
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{
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@ -2096,10 +2098,11 @@ class TestInitiatorPsk(TemplateInitiator, Ikev2Params):
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)
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@tag_fixme_vpp_workers
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class TestInitiatorRequestWindowSize(TestInitiatorPsk):
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"""test initiator - request window size (1)"""
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vpp_worker_count = 2
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def rekey_respond(self, req, update_child_sa_data):
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ih = self.get_ike_header(req)
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plain = self.sa.hmac_and_decrypt(ih)
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@ -2145,10 +2148,11 @@ class TestInitiatorRequestWindowSize(TestInitiatorPsk):
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self.verify_ipsec_sas(is_rekey=True)
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|
||||
@tag_fixme_vpp_workers
|
||||
class TestInitiatorRekey(TestInitiatorPsk):
|
||||
"""test ikev2 initiator - rekey"""
|
||||
|
||||
vpp_worker_count = 2
|
||||
|
||||
def rekey_from_initiator(self):
|
||||
ispi = int.from_bytes(self.sa.child_sas[0].ispi, "little")
|
||||
self.pg0.enable_capture()
|
||||
@ -2190,10 +2194,11 @@ class TestInitiatorRekey(TestInitiatorPsk):
|
||||
self.verify_ipsec_sas(is_rekey=True)
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestInitiatorDelSAFromResponder(TemplateInitiator, Ikev2Params):
|
||||
"""test ikev2 initiator - delete IKE SA from responder"""
|
||||
|
||||
vpp_worker_count = 2
|
||||
|
||||
def config_tc(self):
|
||||
self.config_params(
|
||||
{
|
||||
@ -2223,30 +2228,32 @@ class TestInitiatorDelSAFromResponder(TemplateInitiator, Ikev2Params):
|
||||
)
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestResponderInitBehindNATT(TemplateResponder, Ikev2Params):
|
||||
"""test ikev2 responder - initiator behind NAT"""
|
||||
|
||||
IKE_NODE_SUFFIX = "ip4-natt"
|
||||
vpp_worker_count = 2
|
||||
|
||||
def config_tc(self):
|
||||
self.config_params({"i_natt": True})
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestResponderPsk(TemplateResponder, Ikev2Params):
|
||||
"""test ikev2 responder - pre shared key auth"""
|
||||
|
||||
vpp_worker_count = 2
|
||||
|
||||
def config_tc(self):
|
||||
self.config_params()
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestResponderDpd(TestResponderPsk):
|
||||
"""
|
||||
Dead peer detection test
|
||||
"""
|
||||
|
||||
vpp_worker_count = 2
|
||||
|
||||
def config_tc(self):
|
||||
self.config_params({"dpd_disabled": False})
|
||||
|
||||
@ -2274,11 +2281,11 @@ class TestResponderDpd(TestResponderPsk):
|
||||
self.assertEqual(len(ipsec_sas), 0)
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestResponderRekey(TestResponderPsk):
|
||||
"""test ikev2 responder - rekey"""
|
||||
|
||||
WITH_KEX = False
|
||||
vpp_worker_count = 2
|
||||
|
||||
def send_rekey_from_initiator(self):
|
||||
if self.WITH_KEX:
|
||||
@ -2316,10 +2323,11 @@ class TestResponderRekey(TestResponderPsk):
|
||||
self.assertEqual(r[0].sa.stats.n_rekey_req, 1)
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestResponderRekeyRepeat(TestResponderRekey):
|
||||
"""test ikev2 responder - rekey repeat"""
|
||||
|
||||
vpp_worker_count = 2
|
||||
|
||||
def test_responder(self):
|
||||
super(TestResponderRekeyRepeat, self).test_responder()
|
||||
# rekey request is not accepted until old IPsec SA is expired
|
||||
@ -2342,24 +2350,25 @@ class TestResponderRekeyRepeat(TestResponderRekey):
|
||||
self.verify_ipsec_sas(sa_count=3)
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestResponderRekeyKEX(TestResponderRekey):
|
||||
"""test ikev2 responder - rekey with key exchange"""
|
||||
|
||||
WITH_KEX = True
|
||||
vpp_worker_count = 2
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestResponderRekeyRepeatKEX(TestResponderRekeyRepeat):
|
||||
"""test ikev2 responder - rekey repeat with key exchange"""
|
||||
|
||||
WITH_KEX = True
|
||||
vpp_worker_count = 2
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestResponderRekeySA(TestResponderPsk):
|
||||
"""test ikev2 responder - rekey IKE SA"""
|
||||
|
||||
vpp_worker_count = 2
|
||||
|
||||
def send_rekey_from_initiator(self, newsa):
|
||||
packet = self.create_sa_rekey_request(
|
||||
spi=newsa.ispi,
|
||||
@ -2409,8 +2418,7 @@ class TestResponderVrf(TestResponderPsk, Ikev2Params):
|
||||
|
||||
globals()["ikev2"] = _ikev2
|
||||
super(IkePeer, cls).setUpClass()
|
||||
if (is_distro_debian11 == True) and not hasattr(cls, "vpp"):
|
||||
return
|
||||
|
||||
cls.create_pg_interfaces(range(1))
|
||||
cls.vapi.cli("ip table add 1")
|
||||
cls.vapi.cli("set interface ip table pg0 1")
|
||||
@ -2425,7 +2433,7 @@ class TestResponderVrf(TestResponderPsk, Ikev2Params):
|
||||
self.config_params({"dpd_disabled": False})
|
||||
|
||||
def test_responder(self):
|
||||
self.vapi.ikev2_profile_set_liveness(period=2, max_retries=1)
|
||||
self.vapi.ikev2_profile_set_liveness(period=2, max_retries=3)
|
||||
super(TestResponderVrf, self).test_responder()
|
||||
self.pg0.enable_capture()
|
||||
self.pg_start()
|
||||
@ -2436,10 +2444,11 @@ class TestResponderVrf(TestResponderPsk, Ikev2Params):
|
||||
self.assertEqual(plain, b"")
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestResponderRsaSign(TemplateResponder, Ikev2Params):
|
||||
"""test ikev2 responder - cert based auth"""
|
||||
|
||||
vpp_worker_count = 2
|
||||
|
||||
def config_tc(self):
|
||||
self.config_params(
|
||||
{
|
||||
@ -2453,7 +2462,6 @@ class TestResponderRsaSign(TemplateResponder, Ikev2Params):
|
||||
)
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class Test_IKE_AES_CBC_128_SHA256_128_MODP2048_ESP_AES_CBC_192_SHA_384_192(
|
||||
TemplateResponder, Ikev2Params
|
||||
):
|
||||
@ -2461,6 +2469,8 @@ class Test_IKE_AES_CBC_128_SHA256_128_MODP2048_ESP_AES_CBC_192_SHA_384_192(
|
||||
IKE:AES_CBC_128_SHA256_128,DH=modp2048 ESP:AES_CBC_192_SHA_384_192
|
||||
"""
|
||||
|
||||
vpp_worker_count = 2
|
||||
|
||||
def config_tc(self):
|
||||
self.config_params(
|
||||
{
|
||||
@ -2475,7 +2485,6 @@ class Test_IKE_AES_CBC_128_SHA256_128_MODP2048_ESP_AES_CBC_192_SHA_384_192(
|
||||
)
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestAES_CBC_128_SHA256_128_MODP3072_ESP_AES_GCM_16(
|
||||
TemplateResponder, Ikev2Params
|
||||
):
|
||||
@ -2483,6 +2492,8 @@ class TestAES_CBC_128_SHA256_128_MODP3072_ESP_AES_GCM_16(
|
||||
IKE:AES_CBC_128_SHA256_128,DH=modp3072 ESP:AES_GCM_16
|
||||
"""
|
||||
|
||||
vpp_worker_count = 2
|
||||
|
||||
def config_tc(self):
|
||||
self.config_params(
|
||||
{
|
||||
@ -2495,13 +2506,13 @@ class TestAES_CBC_128_SHA256_128_MODP3072_ESP_AES_GCM_16(
|
||||
)
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class Test_IKE_AES_GCM_16_256(TemplateResponder, Ikev2Params):
|
||||
"""
|
||||
IKE:AES_GCM_16_256
|
||||
"""
|
||||
|
||||
IKE_NODE_SUFFIX = "ip6"
|
||||
vpp_worker_count = 2
|
||||
|
||||
def config_tc(self):
|
||||
self.config_params(
|
||||
@ -2518,12 +2529,13 @@ class Test_IKE_AES_GCM_16_256(TemplateResponder, Ikev2Params):
|
||||
)
|
||||
|
||||
|
||||
@tag_fixme_vpp_workers
|
||||
class TestInitiatorKeepaliveMsg(TestInitiatorPsk):
|
||||
"""
|
||||
Test for keep alive messages
|
||||
"""
|
||||
|
||||
vpp_worker_count = 2
|
||||
|
||||
def send_empty_req_from_responder(self):
|
||||
packet = self.create_empty_request()
|
||||
self.pg0.add_stream(packet)
|
||||
|
||||
Reference in New Issue
Block a user