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author | 2020-09-18 17:39:03 +0200 | |
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committer | 2020-09-18 17:41:14 +0200 | |
commit | 20a773677230374ffa2d5d140f7d46032fb7bc9d (patch) | |
tree | 972ba743c7b1cfbbabd38024215af670d4dc2e3c /hicn-plugin/src/network/interest_hitcs_node.c | |
parent | 22738e6177e9e1348e5a9c23c5a71e1d1ef7246f (diff) |
Revert to [HICN-638] Check if systemd is running before enabling hicn-light service
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Change-Id: I1810d96e001a4e6e097e1efa331b682af750925d
Diffstat (limited to 'hicn-plugin/src/network/interest_hitcs_node.c')
-rw-r--r-- | hicn-plugin/src/network/interest_hitcs_node.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/hicn-plugin/src/network/interest_hitcs_node.c b/hicn-plugin/src/network/interest_hitcs_node.c deleted file mode 100644 index f569fa897..000000000 --- a/hicn-plugin/src/network/interest_hitcs_node.c +++ /dev/null @@ -1,291 +0,0 @@ -/* - * Copyright (c) 2017-2020 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 <vppinfra/string.h> - -#include "interest_hitcs.h" -#include "mgmt.h" -#include "parser.h" -#include "data_fwd.h" -#include "infra.h" -#include "state.h" -#include "error.h" - -/* packet trace format function */ -static u8 *hicn_interest_hitcs_format_trace (u8 * s, va_list * args); - - -/* Stats string values */ -static char *hicn_interest_hitcs_error_strings[] = { -#define _(sym, string) string, - foreach_hicnfwd_error -#undef _ -}; - -vlib_node_registration_t hicn_interest_hitcs_node; - -always_inline void drop_packet (u32 * next0); - -always_inline void -clone_from_cs (vlib_main_t * vm, u32 * bi0_cs, vlib_buffer_t * dest, u8 isv6) -{ - /* Retrieve the buffer to clone */ - vlib_buffer_t *cs_buf = vlib_get_buffer (vm, *bi0_cs); - hicn_buffer_t *hicnb = hicn_get_buffer (cs_buf); - word buffer_advance = CLIB_CACHE_LINE_BYTES * 2; - if (hicnb->flags & HICN_BUFFER_FLAGS_PKT_LESS_TWO_CL) - { - clib_memcpy_fast (vlib_buffer_get_current (dest), - vlib_buffer_get_current (cs_buf), - cs_buf->current_length); - clib_memcpy_fast (dest->opaque2, cs_buf->opaque2, - sizeof (cs_buf->opaque2)); - - dest->current_length = cs_buf->current_length; - dest->total_length_not_including_first_buffer = 0; - } - else - { - vlib_buffer_advance (cs_buf, -buffer_advance); - if (PREDICT_FALSE (cs_buf->ref_count == 255)) - { - vlib_buffer_t *cs_buf2 = vlib_buffer_copy (vm, cs_buf); - vlib_buffer_advance (cs_buf, buffer_advance); - *bi0_cs = vlib_get_buffer_index (vm, cs_buf2); - cs_buf->ref_count--; - cs_buf = cs_buf2; - } - - clib_memcpy_fast (vlib_buffer_get_current (dest), - vlib_buffer_get_current (cs_buf), buffer_advance); - clib_memcpy_fast (dest->opaque2, cs_buf->opaque2, - sizeof (cs_buf->opaque2)); - dest->current_length = buffer_advance; - vlib_buffer_advance (cs_buf, buffer_advance); - vlib_buffer_attach_clone (vm, dest, cs_buf); - } -} - -static uword -hicn_interest_hitcs_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * frame) -{ - u32 n_left_from, *from, *to_next; - hicn_interest_hitcs_next_t next_index; - hicn_interest_hitcs_runtime_t *rt; - vl_api_hicn_api_node_stats_get_reply_t stats = { 0 }; - f64 tnow; - int ret; - - rt = vlib_node_get_runtime_data (vm, hicn_interest_hitcs_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; - - /* Capture time in vpp terms */ - tnow = vlib_time_now (vm); - 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_HITCS_NEXT_ERROR_DROP; - hicn_name_t name; - hicn_header_t *hicn0; - hicn_buffer_t *hicnb0; - hicn_hash_node_t *node0; - hicn_pcs_entry_t *pitp; - hicn_hash_entry_t *hash_entry0; - const hicn_strategy_vft_t *strategy_vft0; - const hicn_dpo_vft_t *dpo_vft0; - u8 dpo_ctx_id0; - - /* Prefetch for next iteration. */ - if (n_left_from > 1) - { - vlib_buffer_t *b1; - b1 = vlib_get_buffer (vm, from[1]); - CLIB_PREFETCH (b1, 2 * CLIB_CACHE_LINE_BYTES, STORE); - CLIB_PREFETCH (b1->data, CLIB_CACHE_LINE_BYTES, STORE); - } - - /* 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); - - /* Get hicn buffer and state */ - hicnb0 = hicn_get_buffer (b0); - hicn_get_internal_state (hicnb0, rt->pitcs, &node0, &strategy_vft0, - &dpo_vft0, &dpo_ctx_id0, &hash_entry0); - - ret = hicn_interest_parse_pkt (b0, &name, &namelen, &hicn0, &isv6); - nameptr = (u8 *) (&name); - pitp = hicn_pit_get_data (node0); - - dpo_id_t hicn_dpo_id0 = - { dpo_vft0->hicn_dpo_get_type (), 0, 0, dpo_ctx_id0 }; - - if (PREDICT_FALSE - (ret != HICN_ERROR_NONE || - !hicn_node_compare (nameptr, namelen, node0))) - { - /* Remove lock from the entry */ - hicn_pcs_remove_lock (rt->pitcs, &pitp, &node0, vm, hash_entry0, - dpo_vft0, &hicn_dpo_id0); - drop_packet (&next0); - goto end_processing; - } - if ((tnow > pitp->shared.expire_time)) - { - /* Delete and clean up expired CS entry */ - hicn_pcs_delete (rt->pitcs, &pitp, &node0, vm, hash_entry0, - dpo_vft0, &hicn_dpo_id0); - stats.cs_expired_count++; - /* Forward interest to the strategy node */ - next0 = HICN_INTEREST_HITCS_NEXT_STRATEGY; - } - else - { - if (PREDICT_TRUE - (!(hash_entry0->he_flags & HICN_HASH_ENTRY_FLAG_DELETED))) - hicn_pcs_cs_update (vm, rt->pitcs, pitp, pitp, node0); - - /* - * Retrieve the incoming iface and forward - * the data through it - */ - next0 = isv6 ? HICN_INTEREST_HITCS_NEXT_IFACE6_OUT : - HICN_INTEREST_HITCS_NEXT_IFACE4_OUT; - vnet_buffer (b0)->ip.adj_index[VLIB_TX] = hicnb0->face_id; - - clone_from_cs (vm, &pitp->u.cs.cs_pkt_buf, b0, isv6); - - stats.pkts_from_cache_count++; - stats.pkts_data_count++; - /* Remove lock from the entry */ - hicn_pcs_remove_lock (rt->pitcs, &pitp, &node0, vm, hash_entry0, - dpo_vft0, &hicn_dpo_id0); - } - - end_processing: - - /* Maybe trace */ - if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) && - (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - hicn_interest_hitcs_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; - } - /* Incr packet counter */ - stats.pkts_processed += 1; - - /* - * 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); - - vlib_node_increment_counter (vm, hicn_interest_hitcs_node.index, - HICNFWD_ERROR_CACHED, - stats.pkts_from_cache_count); - - vlib_node_increment_counter (vm, hicn_interest_hitcs_node.index, - HICNFWD_ERROR_DATAS, stats.pkts_data_count); - - update_node_counter (vm, hicn_interest_hitcs_node.index, - HICNFWD_ERROR_INT_COUNT, pit_int_count); - - return (frame->n_vectors); -} - -always_inline void -drop_packet (u32 * next0) -{ - *next0 = HICN_INTEREST_HITCS_NEXT_ERROR_DROP; -} - -/* packet trace format function */ -static u8 * -hicn_interest_hitcs_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_hitcs_trace_t *t = - va_arg (*args, hicn_interest_hitcs_trace_t *); - - s = format (s, "INTEREST-HITCS: 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_hitcs_node) = -{ - .function = hicn_interest_hitcs_node_fn, - .name = "hicn-interest-hitcs", - .vector_size = sizeof(u32), - .runtime_data_bytes = sizeof(hicn_interest_hitcs_runtime_t), - .format_trace = hicn_interest_hitcs_format_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = ARRAY_LEN(hicn_interest_hitcs_error_strings), - .error_strings = hicn_interest_hitcs_error_strings, - .n_next_nodes = HICN_INTEREST_HITCS_N_NEXT, - /* edit / add dispositions here */ - .next_nodes = - { - [HICN_INTEREST_HITCS_NEXT_STRATEGY] = "hicn-strategy", - [HICN_INTEREST_HITCS_NEXT_IFACE4_OUT] = "hicn4-iface-output", - [HICN_INTEREST_HITCS_NEXT_IFACE6_OUT] = "hicn6-iface-output", - [HICN_INTEREST_HITCS_NEXT_ERROR_DROP] = "error-drop" - }, -}; -/* *INDENT-ON* */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: eval: (c-set-style "gnu") End: - */ |