diff options
Diffstat (limited to 'hicn-plugin/src/host_stack/input_node.c')
| -rw-r--r-- | hicn-plugin/src/host_stack/input_node.c | 477 |
1 files changed, 0 insertions, 477 deletions
diff --git a/hicn-plugin/src/host_stack/input_node.c b/hicn-plugin/src/host_stack/input_node.c deleted file mode 100644 index 962f8a204..000000000 --- a/hicn-plugin/src/host_stack/input_node.c +++ /dev/null @@ -1,477 +0,0 @@ -/* - * Copyright (c) 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 <vlibmemory/api.h> -#include <vlib/vlib.h> - -#include "host_stack.h" -#include "inlines.h" - -#include <vppinfra/hash.h> -#include <vppinfra/error.h> -#include <vppinfra/elog.h> - -#include <vnet/vnet.h> -#include <vnet/pg/pg.h> -#include <vnet/ip/ip.h> -#include <vnet/udp/udp.h> -#include <vnet/udp/udp_packet.h> -#include <vnet/session/session.h> - -typedef enum _hicn_hs_input_next -{ - HICN_HS_INPUT_NEXT_DATA, - HICN_HS_INPUT_NEXT_INTEREST, - HICN_HS_INPUT_NEXT_DROP, - HICN_HS_INPUT_N_NEXT -} hicn_hs_input_next_t; - -#define foreach_hicn_hs_input_next4 \ - _ (DATA, HICN_HS_INPUT_DATA_NODE_NAME) \ - _ (INTEREST, HICN_HS_INPUT_INTEREST_NODE_NAME) \ - _ (DROP, "ip4-drop") - -#define foreach_hicn_hs_input_next6 \ - _ (DATA, HICN_HS_INPUT_DATA_NODE_NAME) \ - _ (INTEREST, HICN_HS_INPUT_INTEREST_NODE_NAME) \ - _ (DROP, "ip6-drop") - -/* packet trace format function */ -static u8 * -format_hicn_hs_input4_trace (u8 * s, va_list * args) -{ - return NULL; -} - -static u8 * -format_hicn_hs_input6_trace (u8 * s, va_list * args) -{ - return NULL; -} - -static u8 * -format_hicn_hs_input_interest_trace (u8 * s, va_list * args) -{ - return NULL; -} - -static u8 * -format_hicn_hs_input_data_trace (u8 * s, va_list * args) -{ - return NULL; -} - -static void -hicn_hs_input_trace_frame (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_buffer_t ** bs, u32 n_bufs, u8 is_ip4) -{ -} - -always_inline hicn_hs_ctx_t * -hicn_hs_input_lookup_buffer (vlib_buffer_t * b, u8 thread_index, u32 * error, - u8 is_ip4) -{ - hicn_hs_ctx_t *ctx = 0; - hicn_header_t *hicn; - hicn_hs_buffer_t *buffer; - u32 ctx_index; - int ret; - u8 *packet_buffer; - u32 seq_number; - - hicn = hicn_buffer_hdr (b); - buffer = hicn_hs_buffer (b); - packet_buffer = vlib_buffer_get_current (b); - - buffer->type.l4 = IPPROTO_NONE; - buffer->type.l3 = IPPROTO_NONE; - buffer->type.l2 = packet_buffer[6 + is_ip4 * 3]; - buffer->type.l1 = (!is_ip4) * (IPPROTO_IPV6); - - ret = hicn_ops_vft[buffer->type.l1]->test_packet_is_interest(buffer->type, &hicn->protocol, &buffer->is_interest); - - if (PREDICT_FALSE(ret < 0)) - { - *error = HICN_HS_ERROR_NO_HICN; - return ctx; - } - - if (buffer->is_interest) - { - ctx_index = vnet_buffer (b)->ip.adj_index[VLIB_TX]; - } - else - { - ctx_index = vnet_buffer (b)->ip.adj_index[VLIB_TX]; - hicn_ops_vft[buffer->type.l1]->get_data_name_suffix (buffer->type, &hicn->protocol, &seq_number); - } - - ctx = hicn_hs_get_ctx_by_index(ctx_index, thread_index); - - if (PREDICT_FALSE(!ctx)) - *error = HICN_HS_ERROR_WRONG_THREAD; - - buffer->seq_number = seq_number; - buffer->is_ip4 = is_ip4; - - return ctx; -} - -static inline void -hicn_hs_input_dispatch_buffer (hicn_hs_main_t * hm, hicn_hs_ctx_t * ctx, - vlib_buffer_t * b, u16 * next, - vlib_node_runtime_t * error_node) -{ - u32 error; - hicn_hs_buffer_t *buffer = hicn_hs_buffer (b); - *next = hm->dispatch_table[buffer->is_interest].next; - error = hm->dispatch_table[buffer->is_interest].error; - b->error = error_node->errors[error]; -} - -always_inline void -hicn_hs_input_set_error_next (hicn_hs_main_t * tm, u16 * next, u32 * error, u8 is_ip4) -{ - *next = HICN_HS_INPUT_NEXT_DROP; -} - -always_inline uword -hicn_hs_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * frame, u8 is_ip4) -{ - u32 n_left_from, *from, thread_index = vm->thread_index; - hicn_hs_main_t *hm = hicn_hs_get_main (); - vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b; - u16 nexts[VLIB_FRAME_SIZE], *next; - vlib_node_runtime_t *error_node; - -// tcp_set_time_now (tcp_get_worker (thread_index)); - - error_node = vlib_node_get_runtime (vm, is_ip4 ? hicn_hs_input4_node.index : hicn_hs_input6_node.index); - from = vlib_frame_vector_args (frame); - n_left_from = frame->n_vectors; - vlib_get_buffers (vm, from, bufs, n_left_from); - - b = bufs; - next = nexts; - - while (n_left_from >= 4) - { - u32 error0 = HICN_HS_ERROR_NO_CONTEXT, error1 = HICN_HS_ERROR_NO_CONTEXT; - hicn_hs_ctx_t *ctx0, *ctx1; - - { - vlib_prefetch_buffer_header (b[2], STORE); - CLIB_PREFETCH (b[2]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD); - - vlib_prefetch_buffer_header (b[3], STORE); - CLIB_PREFETCH (b[3]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD); - } - - next[0] = next[1] = HICN_HS_INPUT_NEXT_DROP; - - ctx0 = hicn_hs_input_lookup_buffer (b[0], thread_index, &error0, is_ip4); - ctx1 = hicn_hs_input_lookup_buffer (b[1], thread_index, &error1, is_ip4); - - if (PREDICT_TRUE (!ctx0 + !ctx1 == 0)) - { - hicn_hs_input_dispatch_buffer (hm, ctx0, b[0], &next[0], error_node); - hicn_hs_input_dispatch_buffer (hm, ctx1, b[1], &next[1], error_node); - } - else - { - if (PREDICT_TRUE (ctx0 != 0)) - { - hicn_hs_input_dispatch_buffer (hm, ctx0, b[0], &next[0], error_node); - } - else - { - hicn_hs_input_set_error_next (hm, &next[0], &error0, is_ip4); - b[0]->error = error_node->errors[error0]; - } - - if (PREDICT_TRUE (ctx1 != 0)) - { - hicn_hs_input_dispatch_buffer (hm, ctx1, b[1], &next[1], error_node); - } - else - { - hicn_hs_input_set_error_next (hm, &next[1], &error1, is_ip4); - b[1]->error = error_node->errors[error1]; - } - } - - b += 2; - next += 2; - n_left_from -= 2; - } - while (n_left_from > 0) - { - hicn_hs_ctx_t *ctx0; - u32 error0 = HICN_HS_ERROR_NO_CONTEXT; - - if (n_left_from > 1) - { - vlib_prefetch_buffer_header (b[1], STORE); - CLIB_PREFETCH (b[1]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD); - } - - next[0] = HICN_HS_INPUT_NEXT_DROP; - ctx0 = hicn_hs_input_lookup_buffer (b[0], thread_index, &error0, is_ip4); - if (PREDICT_TRUE (ctx0 != 0)) - { - hicn_hs_input_dispatch_buffer (hm, ctx0, b[0], &next[0], error_node); - } - else - { - hicn_hs_input_set_error_next (hm, &next[0], &error0, is_ip4); - b[0]->error = error_node->errors[error0]; - } - - b += 1; - next += 1; - n_left_from -= 1; - } - - if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE)) - hicn_hs_input_trace_frame (vm, node, bufs, frame->n_vectors, is_ip4); - - vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors); - return frame->n_vectors; -} - -static uword -hicn_hs_input_data (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * from_frame) -{ - u32 n_left_from, *from, *first_buffer; - u32 thread_index = vm->thread_index; - vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b; - u32 node_index = hicn_hs_input_data_node.index; - - from = first_buffer = vlib_frame_vector_args (from_frame); - n_left_from = from_frame->n_vectors; - vlib_get_buffers (vm, from, bufs, n_left_from); - - b = bufs; - - hicn_hs_ctx_t *ctx0 = 0; - - while (n_left_from >= 4) - { - u32 ctxi0, ctxi1; - hicn_hs_ctx_t *ctx1; - - { - vlib_prefetch_buffer_header (b[2], STORE); - CLIB_PREFETCH (b[2]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD); - - vlib_prefetch_buffer_header (b[3], STORE); - CLIB_PREFETCH (b[3]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD); - } - - // ctxi0 = vnet_buffer (b[0])->ip.adj_index[VLIB_TX]; - ctxi0 = hicn_hs_buffer (b[0])->ctx_index; - ctx0 = hicn_hs_get_ctx_by_index(ctxi0, thread_index); - // ctxi1 = vnet_buffer (b[1])->ip.adj_index[VLIB_TX]; - ctxi1 = hicn_hs_buffer (b[1])->ctx_index; - ctx1 = hicn_hs_get_ctx_by_index(ctxi1, thread_index); - - ASSERT (ctx0 && ctx1); - - hicn_hs_process_incoming_data (ctx0, b[0]); - hicn_hs_process_incoming_data (ctx1, b[1]); - - b += 2; - n_left_from -= 2; - } - - while (n_left_from > 0) - { - - u32 ctxi0; - - // ctxi0 = vnet_buffer (b[0])->ip.adj_index[VLIB_TX]; - ctxi0 = hicn_hs_buffer (b[0])->ctx_index; - ctx0 = hicn_hs_get_ctx_by_index(ctxi0, thread_index); - - ASSERT (ctx0); - - hicn_hs_process_incoming_data (ctx0, b[0]); - - b += 1; - n_left_from -= 1; - } - - hicn_hs_update_transport (ctx0, from_frame->n_vectors); - -// vlib_buffer_free (vm, first_buffer, from_frame->n_vectors); - vlib_node_increment_counter (vm, node_index, HICN_HS_ERROR_PACKETS_SENT, from_frame->n_vectors); - return from_frame->n_vectors; -} - -static uword -hicn_hs_input_interest (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * from_frame) -{ - u32 n_left_from, *from, *first_buffer; - u32 thread_index = vm->thread_index; - u32 ctx_index; - - u32 node_index = hicn_hs_input_interest_node.index; - - from = first_buffer = vlib_frame_vector_args (from_frame); - n_left_from = from_frame->n_vectors; - - while (n_left_from > 0) - { - u32 bi, CLIB_UNUSED(error) = HICN_HS_ERROR_NONE; - hicn_hs_ctx_t *ctx; - vlib_buffer_t *b; - - bi = from[0]; - from += 1; - n_left_from -= 1; - - b = vlib_get_buffer (vm, bi); - ctx_index = vnet_buffer (b)->ip.adj_index[VLIB_TX]; - ctx = hicn_hs_get_ctx_by_index(ctx_index, thread_index); - hicn_hs_process_incoming_interest(ctx, b); - } - - vlib_node_increment_counter (vm, node_index, HICN_HS_ERROR_PACKETS_SENT, from_frame->n_vectors); - return from_frame->n_vectors; -} - -static uword -hicn_hs_input4 (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * frame) -{ - return hicn_hs_input_inline (vm, node, frame, 1); -} - -static uword -hicn_hs_input6 (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * frame) -{ - return hicn_hs_input_inline (vm, node, frame, 0); -} - -/* *INDENT-OFF* */ - -VLIB_REGISTER_NODE (hicn_hs_input_interest_node) = -{ - .function = hicn_hs_input_interest, - .name = HICN_HS_INPUT_INTEREST_NODE_NAME, - .vector_size = sizeof (u32), - .format_trace = format_hicn_hs_input_interest_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = HICN_HS_N_ERROR, - .error_strings = hicn_hs_error_strings, - .n_next_nodes = 0, -}; - -VLIB_REGISTER_NODE (hicn_hs_input_data_node) = -{ - .function = hicn_hs_input_data, - .name = HICN_HS_INPUT_DATA_NODE_NAME, - .vector_size = sizeof (u32), - .format_trace = format_hicn_hs_input_data_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = HICN_HS_N_ERROR, - .error_strings = hicn_hs_error_strings, - .n_next_nodes = 0, -}; - -VLIB_REGISTER_NODE (hicn_hs_input4_node) = -{ - .function = hicn_hs_input4, - .name = HICN_HS_INPUT4_NODE_NAME, - .vector_size = sizeof (u32), - .format_trace = format_hicn_hs_input4_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = HICN_HS_N_ERROR, - .error_strings = hicn_hs_error_strings, - .n_next_nodes = HICN_HS_INPUT_N_NEXT, - .next_nodes = - { -#define _(s,n) [HICN_HS_INPUT_NEXT_##s] = n, - foreach_hicn_hs_input_next4 -#undef _ - }, -}; - -VLIB_REGISTER_NODE (hicn_hs_input6_node) = -{ - .function = hicn_hs_input6, - .name = HICN_HS_INPUT6_NODE_NAME, - .vector_size = sizeof (u32), - .format_trace = format_hicn_hs_input6_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = HICN_HS_N_ERROR, - .error_strings = hicn_hs_error_strings, - .n_next_nodes = HICN_HS_INPUT_N_NEXT, - .next_nodes = - { -#define _(s,n) [HICN_HS_INPUT_NEXT_##s] = n, - foreach_hicn_hs_input_next6 -#undef _ - }, -}; - -/* *INDENT-ON* */ - -static void -hicn_hs_dispatch_table_init (hicn_hs_main_t * tm) -{ - int i; - for (i = 0; i < ARRAY_LEN (tm->dispatch_table); i++) - { - tm->dispatch_table[i].next = HICN_HS_INPUT_NEXT_DROP; - tm->dispatch_table[i].error = HICN_HS_ERROR_DISPATCH; - } - -#define _(t,n,e) \ -do { \ - tm->dispatch_table[HICN_HS_##t].next = (n); \ - tm->dispatch_table[HICN_HS_##t].error = (e); \ -} while (0) - - _ (INTEREST, HICN_HS_INPUT_NEXT_INTEREST, HICN_HS_ERROR_NONE); - _ (DATA, HICN_HS_INPUT_NEXT_DATA, HICN_HS_ERROR_NONE); - -#undef _ -} - -static clib_error_t * -hicn_hs_input_init (vlib_main_t * vm) -{ - hicn_hs_main_t *hm = hicn_hs_get_main (); - - /* Initialize dispatch table. */ - hicn_hs_dispatch_table_init (hm); - - return 0; -} - -VLIB_INIT_FUNCTION (hicn_hs_input_init); - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |