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authorMauro Sardara <msardara@cisco.com>2020-03-24 17:34:14 +0000
committerMauro Sardara <msardara@cisco.com>2020-09-14 17:31:15 +0000
commit88509fe353767cbde707c3e3b1f29392957819f3 (patch)
treecccd51bac7966cd3138c525e8075d90341184a66 /hicn-plugin/src/interest_pcslookup_node.c
parentd875ae92a7fa1eaab3bc2616aeeedfc64a81fea4 (diff)
[HICN-574] Host stack plugin for VPP.
Signed-off-by: Mauro Sardara <msardara@cisco.com> Change-Id: I8d8fdffef31a7013265d6529c5f52f3d5ec70d18 Signed-off-by: Mauro Sardara <msardara@cisco.com> Signed-off-by: Mauro <you@example.com> Signed-off-by: Mauro Sardara <msardara@cisco.com>
Diffstat (limited to 'hicn-plugin/src/interest_pcslookup_node.c')
-rw-r--r--hicn-plugin/src/interest_pcslookup_node.c237
1 files changed, 0 insertions, 237 deletions
diff --git a/hicn-plugin/src/interest_pcslookup_node.c b/hicn-plugin/src/interest_pcslookup_node.c
deleted file mode 100644
index 6ac2aa3a0..000000000
--- a/hicn-plugin/src/interest_pcslookup_node.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * Copyright (c) 2017-2019 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 <vnet/ip/ip6_packet.h>
-
-#include "interest_pcslookup.h"
-#include "mgmt.h"
-#include "parser.h"
-#include "infra.h"
-#include "strategy_dpo_manager.h"
-#include "error.h"
-#include "state.h"
-
-/**
- * @FILE This node performs a lookup in the PIT and CS for a received interest packet.
- *
- * This node passes the packet to the interest-hitpit and interest-hitcs nodes
- * when there is a hit in the pit or content store, respectively.
- */
-
-/* Functions declarations */
-
-/* packet trace format function */
-static u8 *hicn_interest_pcslookup_format_trace (u8 * s, va_list * args);
-
-
-/* Stats string values */
-static char *hicn_interest_pcslookup_error_strings[] = {
-#define _(sym, string) string,
- foreach_hicnfwd_error
-#undef _
-};
-
-vlib_node_registration_t hicn_interest_pcslookup_node;
-
-/*
- * ICN forwarder node for interests: handling of Interests delivered based on
- * ACL. - 1 packet at a time - ipv4/tcp ipv6/tcp
- */
-static uword
-hicn_interest_pcslookup_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- u32 n_left_from, *from, *to_next;
- hicn_interest_pcslookup_next_t next_index;
- hicn_interest_pcslookup_runtime_t *rt;
- vl_api_hicn_api_node_stats_get_reply_t stats = { 0 };
- int ret;
-
- rt = vlib_node_get_runtime_data (vm, hicn_interest_pcslookup_node.index);
-
- if (PREDICT_FALSE (rt->pitcs == NULL))
- {
- rt->pitcs = &hicn_main.pitcs;
- }
- from = vlib_frame_vector_args (frame);
- n_left_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 > 0 && n_left_to_next > 0)
- {
- vlib_buffer_t *b0;
- u8 isv6;
- u8 *nameptr;
- u16 namelen;
- u32 bi0;
- u32 next0 = HICN_INTEREST_PCSLOOKUP_NEXT_ERROR_DROP;
- u64 name_hash = 0;
- hicn_name_t name;
- hicn_header_t *hicn0;
- u32 node_id0 = 0;
- index_t dpo_ctx_id0 = 0;
- u8 vft_id0 = 0;
- u8 is_cs0 = 0;
- u8 hash_entry_id = 0;
- u8 bucket_is_overflown = 0;
- u32 bucket_id = ~0;
-
- /* Prefetch for next iteration. */
- if (n_left_from > 1)
- {
- vlib_buffer_t *b1;
- b1 = vlib_get_buffer (vm, from[1]);
- CLIB_PREFETCH (b1, CLIB_CACHE_LINE_BYTES, STORE);
- CLIB_PREFETCH (b1->data, CLIB_CACHE_LINE_BYTES, LOAD);
- }
- /* Dequeue a packet buffer */
- bi0 = from[0];
- from += 1;
- n_left_from -= 1;
- to_next[0] = bi0;
- to_next += 1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
- ret = hicn_interest_parse_pkt (b0, &name, &namelen, &hicn0, &isv6);
-
- if (PREDICT_TRUE (ret == HICN_ERROR_NONE))
- {
- next0 = HICN_INTEREST_PCSLOOKUP_NEXT_STRATEGY;
- }
- nameptr = (u8 *) (&name);
- stats.pkts_processed++;
-
- if (PREDICT_FALSE (ret != HICN_ERROR_NONE ||
- hicn_hashtb_fullhash (nameptr, namelen,
- &name_hash) !=
- HICN_ERROR_NONE))
- {
- next0 = HICN_INTEREST_PCSLOOKUP_NEXT_ERROR_DROP;
- }
- else
- {
- if (hicn_hashtb_lookup_node (rt->pitcs->pcs_table, nameptr,
- namelen, name_hash,
- 0 /* is_data */ , &node_id0,
- &dpo_ctx_id0, &vft_id0, &is_cs0,
- &hash_entry_id, &bucket_id,
- &bucket_is_overflown) ==
- HICN_ERROR_NONE)
- {
- next0 =
- HICN_INTEREST_PCSLOOKUP_NEXT_INTEREST_HITPIT + is_cs0;
- }
- stats.pkts_interest_count++;
- }
-
- hicn_store_internal_state (b0, name_hash, node_id0, dpo_ctx_id0,
- vft_id0, hash_entry_id, bucket_id,
- bucket_is_overflown);
-
- /* Maybe trace */
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
- (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- hicn_interest_pcslookup_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->pkt_type = HICN_PKT_TYPE_INTEREST;
- t->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- t->next_index = next0;
- }
- /*
- * Verify speculative enqueue, maybe switch current
- * next frame
- */
- 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);
- }
- u32 pit_int_count = hicn_pit_get_int_count (rt->pitcs);
- u32 pit_cs_count = hicn_pit_get_cs_count (rt->pitcs);
- u32 pcs_ntw_count = hicn_pcs_get_ntw_count (rt->pitcs);
-
-
- vlib_node_increment_counter (vm, hicn_interest_pcslookup_node.index,
- HICNFWD_ERROR_PROCESSED, stats.pkts_processed);
-
- vlib_node_increment_counter (vm, hicn_interest_pcslookup_node.index,
- HICNFWD_ERROR_INTERESTS,
- stats.pkts_interest_count);
-
- update_node_counter (vm, hicn_interest_pcslookup_node.index,
- HICNFWD_ERROR_INT_COUNT, pit_int_count);
-
- update_node_counter (vm, hicn_interest_pcslookup_node.index,
- HICNFWD_ERROR_CS_COUNT, pit_cs_count);
-
- update_node_counter (vm, hicn_interest_pcslookup_node.index,
- HICNFWD_ERROR_CS_NTW_COUNT, pcs_ntw_count);
-
- return (frame->n_vectors);
-}
-
-/* packet trace format function */
-static u8 *
-hicn_interest_pcslookup_format_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 *);
- hicn_interest_pcslookup_trace_t *t =
- va_arg (*args, hicn_interest_pcslookup_trace_t *);
-
- s = format (s, "INTEREST_PCSLOOKUP: pkt: %d, sw_if_index %d, next index %d",
- (int) t->pkt_type, t->sw_if_index, t->next_index);
- return (s);
-}
-
-
-/*
- * Node registration for the interest forwarder node
- */
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE(hicn_interest_pcslookup_node) =
-{
- .function = hicn_interest_pcslookup_node_fn,
- .name = "hicn-interest-pcslookup",
- .vector_size = sizeof(u32),
- .runtime_data_bytes = sizeof(hicn_interest_pcslookup_runtime_t),
- .format_trace = hicn_interest_pcslookup_format_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(hicn_interest_pcslookup_error_strings),
- .error_strings = hicn_interest_pcslookup_error_strings,
- .n_next_nodes = HICN_INTEREST_PCSLOOKUP_N_NEXT,
- .next_nodes =
- {
- [HICN_INTEREST_PCSLOOKUP_NEXT_STRATEGY] = "hicn-strategy",
- [HICN_INTEREST_PCSLOOKUP_NEXT_INTEREST_HITPIT] = "hicn-interest-hitpit",
- [HICN_INTEREST_PCSLOOKUP_NEXT_INTEREST_HITCS] = "hicn-interest-hitcs",
- [HICN_INTEREST_PCSLOOKUP_NEXT_ERROR_DROP] = "error-drop",
- },
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables: eval: (c-set-style "gnu") End:
- */