csit - Integration tests

Age	Commit message (Collapse)	Author	Files	Lines
2023-11-03	feat(tests): 6p3nic ip4 testsoper-231106	pmikus	1	-0/+134
	Signed-off-by: Peter Mikus <peter.mikus@protonmail.ch> Change-Id: I69ee305b25b9e05d2305cb82aba71ef6418780ab

/* * 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. */ /* * ip/ip6_forward.h: IP v6 forwarding * * Copyright (c) 2008 Eliot Dresselhaus * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef __included_ip6_forward_h__ #define __included_ip6_forward_h__ #include <vnet/fib/ip6_fib.h> #include <vnet/dpo/load_balance_map.h> /** * @file * @brief IPv6 Forwarding. * * This file contains the source code for IPv6 forwarding. */ always_inline uword ip6_lookup_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { ip6_main_t *im = &ip6_main; vlib_combined_counter_main_t *cm = &load_balance_main.lbm_to_counters; u32 n_left_from, n_left_to_next, *from, *to_next; ip_lookup_next_t next; u32 thread_index = vm->thread_index; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; next = node->cached_next_index; while (n_left_from > 0) { vlib_get_next_frame (vm, node, next, to_next, n_left_to_next); while (n_left_from >= 4 && n_left_to_next >= 2) { vlib_buffer_t *p0, *p1; u32 pi0, pi1, lbi0, lbi1, wrong_next; ip_lookup_next_t next0, next1; ip6_header_t *ip0, *ip1; ip6_address_t *dst_addr0, *dst_addr1; u32 flow_hash_config0, flow_hash_config1; const dpo_id_t *dpo0, *dpo1; const load_balance_t *lb0, *lb1; /* 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, sizeof (ip0[0]), LOAD); CLIB_PREFETCH (p3->data, sizeof (ip0[0]), LOAD); } pi0 = to_next[0] = from[0]; pi1 = to_next[1] = from[1]; p0 = vlib_get_buffer (vm, pi0); p1 = vlib_get_buffer (vm, pi1); ip0 = vlib_buffer_get_current (p0); ip1 = vlib_buffer_get_current (p1); dst_addr0 = &ip0->dst_address; dst_addr1 = &ip1->dst_address; ip_lookup_set_buffer_fib_index (im->fib_index_by_sw_if_index, p0); ip_lookup_set_buffer_fib_index (im->fib_index_by_sw_if_index, p1); lbi0 = ip6_fib_table_fwding_lookup (vnet_buffer (p0)->ip.fib_index, dst_addr0); lbi1 = ip6_fib_table_fwding_lookup (vnet_buffer (p1)->ip.fib_index, dst_addr1); lb0 = load_balance_get (lbi0); lb1 = load_balance_get (lbi1); ASSERT (lb0->lb_n_buckets > 0); ASSERT (lb1->lb_n_buckets > 0); ASSERT (is_pow2 (lb0->lb_n_buckets)); ASSERT (is_pow2 (lb1->lb_n_buckets)); vnet_buffer (p0)->ip.flow_hash = vnet_buffer (p1)->ip.flow_hash = 0; if (PREDICT_FALSE (lb0->lb_n_buckets > 1)) { flow_hash_config0 = lb0->lb_hash_config; vnet_buffer (p0)->ip.flow_hash = ip6_compute_flow_hash (ip0, flow_hash_config0); dpo0 = load_balance_get_fwd_bucket (lb0, (vnet_buffer (p0)->ip.flow_hash & (lb0->lb_n_buckets_minus_1))); } else { dpo0 = load_balance_get_bucket_i (lb0, 0); } if (PREDICT_FALSE (lb1->lb_n_buckets > 1)) { flow_hash_config1 = lb1->lb_hash_config; vnet_buffer (p1)->ip.flow_hash = ip6_compute_flow_hash (ip1, flow_hash_config1); dpo1 = load_balance_get_fwd_bucket (lb1, (vnet_buffer (p1)->ip.flow_hash & (lb1->lb_n_buckets_minus_1))); } else { dpo1 = load_balance_get_bucket_i (lb1, 0); } next0 = dpo0->dpoi_next_node; next1 = dpo1->dpoi_next_node; /* Only process the HBH Option Header if explicitly configured to do so */ if (PREDICT_FALSE (ip0->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)) { next0 = (dpo_is_adj (dpo0) && im->hbh_enabled) ? (ip_lookup_next_t) IP6_LOOKUP_NEXT_HOP_BY_HOP : next0; } if (PREDICT_FALSE (ip1->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)) { next1 = (dpo_is_adj (dpo1) && im->hbh_enabled) ? (ip_lookup_next_t) IP6_LOOKUP_NEXT_HOP_BY_HOP : next1; } vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index; vnet_buffer (p1)->ip.adj_index[VLIB_TX] = dpo1->dpoi_index; vlib_increment_combined_counter (cm, thread_index, lbi0, 1, vlib_buffer_length_in_chain (vm, p0)); vlib_increment_combined_counter (cm, thread_index, lbi1, 1, vlib_buffer_length_in_chain (vm, p1)); from += 2; to_next += 2; n_left_to_next -= 2; n_left_from -= 2; wrong_next = (next0 != next) + 2 * (next1 != next); if (PREDICT_FALSE (wrong_next != 0)) { switch (wrong_next) { case 1: /* A B A */ to_next[-2] = pi1; to_next -= 1; n_left_to_next += 1; vlib_set_next_frame_buffer (vm, node, next0, pi0); break; case 2: /* A A B */ to_next -= 1; n_left_to_next += 1; vlib_set_next_frame_buffer (vm, node, next1, pi1); break; case 3: /* A B C */ to_next -= 2; n_left_to_next += 2; vlib_set_next_frame_buffer (vm, node, next0, pi0); vlib_set_next_frame_buffer (vm, node, next1, pi1); if (next0 == next1) { /* A B B */ vlib_put_next_frame (vm, node, next, n_left_to_next); next = next1; vlib_get_next_frame (vm, node, next, to_next, n_left_to_next); } } } } while (n_left_from > 0 && n_left_to_next > 0) { vlib_buffer_t *p0; ip6_header_t *ip0; u32 pi0, lbi0; ip_lookup_next_t next0; load_balance_t *lb0; ip6_address_t *dst_addr0; u32 flow_hash_config0; const dpo_id_t *dpo0; pi0 = from[0]; to_next[0] = pi0; p0 = vlib_get_buffer (vm, pi0); ip0 = vlib_buffer_get_current (p0); dst_addr0 = &ip0->dst_address; ip_lookup_set_buffer_fib_index (im->fib_index_by_sw_if_index, p0); lbi0 = ip6_fib_table_fwding_lookup (vnet_buffer (p0)->ip.fib_index, dst_addr0); lb0 = load_balance_get (lbi0); flow_hash_config0 = lb0->lb_hash_config; vnet_buffer (p0)->ip.flow_hash = 0; ASSERT (lb0->lb_n_buckets > 0); ASSERT (is_pow2 (lb0->lb_n_buckets)); if (PREDICT_FALSE (lb0->lb_n_buckets > 1)) { flow_hash_config0 = lb0->lb_hash_config; vnet_buffer (p0)->ip.flow_hash = ip6_compute_flow_hash (ip0, flow_hash_config0); dpo0 = load_balance_get_fwd_bucket (lb0, (vnet_buffer (p0)->ip.flow_hash & (lb0->lb_n_buckets_minus_1))); } else { dpo0 = load_balance_get_bucket_i (lb0, 0); } dpo0 = load_balance_get_bucket_i (lb0, (vnet_buffer (p0)->ip.flow_hash & lb0->lb_n_buckets_minus_1)); next0 = dpo0->dpoi_next_node; /* Only process the HBH Option Header if explicitly configured to do so */ if (PREDICT_FALSE (ip0->protocol == IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS)) { next0 = (dpo_is_adj (dpo0) && im->hbh_enabled) ? (ip_lookup_next_t) IP6_LOOKUP_NEXT_HOP_BY_HOP : next0; } vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index; vlib_increment_combined_counter (cm, thread_index, lbi0, 1, vlib_buffer_length_in_chain (vm, p0)); from += 1; to_next += 1; n_left_to_next -= 1; n_left_from -= 1; if (PREDICT_FALSE (next0 != next)) { n_left_to_next += 1; vlib_put_next_frame (vm, node, next, n_left_to_next); next = next0; vlib_get_next_frame (vm, node, next, to_next, n_left_to_next); to_next[0] = pi0; to_next += 1; n_left_to_next -= 1; } } vlib_put_next_frame (vm, node, next, n_left_to_next); } if (node->flags & VLIB_NODE_FLAG_TRACE) ip6_forward_next_trace (vm, node, frame, VLIB_TX); return frame->n_vectors; } #endif /*__included_ip6_forward_h__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */