diff options
Diffstat (limited to 'hicn-plugin/src/faces/app/face_prod_node.c')
-rw-r--r-- | hicn-plugin/src/faces/app/face_prod_node.c | 216 |
1 files changed, 131 insertions, 85 deletions
diff --git a/hicn-plugin/src/faces/app/face_prod_node.c b/hicn-plugin/src/faces/app/face_prod_node.c index 80c3e124c..93e80d1ac 100644 --- a/hicn-plugin/src/faces/app/face_prod_node.c +++ b/hicn-plugin/src/faces/app/face_prod_node.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017-2020 Cisco and/or its affiliates. + * Copyright (c) 2021-2022 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: @@ -19,13 +19,13 @@ * @brief Application interface node * * This node runs after the device-input node and perfoms some safety checks in - * order to avoid unespected interest and data (i.e., hICN packets whose name do - * not contain the prefix associated to the application face) + * order to avoid unespected interest and data (i.e., hICN packets whose name + * do not contain the prefix associated to the application face) */ #include "face_prod.h" -#include "../../hicn_api.h" #include "../../mgmt.h" +#include "../../parser.h" static __clib_unused char *face_prod_input_error_strings[] = { #define _(sym, string) string, @@ -43,12 +43,12 @@ typedef struct { u32 next_index; u32 sw_if_index; + hicn_error_t error; } hicn_face_prod_input_trace_t; typedef enum { - HICN_FACE_PROD_NEXT_DATA_IP4, - HICN_FACE_PROD_NEXT_DATA_IP6, + HICN_FACE_PROD_NEXT_PCS, HICN_FACE_PROD_NEXT_ERROR_DROP, HICN_FACE_PROD_N_NEXT, } hicn_face_prod_next_t; @@ -56,7 +56,7 @@ typedef enum vlib_node_registration_t hicn_face_prod_input_node; static __clib_unused u8 * -format_face_prod_input_trace (u8 * s, va_list * args) +format_face_prod_input_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 *); @@ -64,13 +64,16 @@ format_face_prod_input_trace (u8 * s, va_list * args) va_arg (*args, hicn_face_prod_input_trace_t *); CLIB_UNUSED (u32 indent) = format_get_indent (s); - s = format (s, "prod-face: sw_if_index %d next-index %d", - t->sw_if_index, t->next_index); + s = format (s, "prod-face: sw_if_index %d next-index %d", t->sw_if_index, + t->next_index); + + if (t->error != HICN_ERROR_NONE) + s = format (s, " error %s", get_error_string (t->error)); return s; } static_always_inline int -match_ip4_name (u32 * name, fib_prefix_t * prefix) +match_ip4_name (u32 *name, const fib_prefix_t *prefix) { u32 xor = 0; @@ -80,7 +83,7 @@ match_ip4_name (u32 * name, fib_prefix_t * prefix) } static_always_inline int -match_ip6_name (u8 * name, fib_prefix_t * prefix) +match_ip6_name (u8 *name, const fib_prefix_t *prefix) { union { @@ -93,34 +96,51 @@ match_ip6_name (u8 * name, fib_prefix_t * prefix) xor_sum.as_u64[1] = ((u64 *) name)[1] & prefix->fp_addr.ip6.as_u64[1]; return (xor_sum.as_u64[0] == prefix->fp_addr.ip6.as_u64[0]) && - (xor_sum.as_u64[1] == prefix->fp_addr.ip6.as_u64[1]); + (xor_sum.as_u64[1] == prefix->fp_addr.ip6.as_u64[1]); } static_always_inline u32 -hicn_face_prod_next_from_data_hdr (vlib_node_runtime_t * node, - vlib_buffer_t * b, fib_prefix_t * prefix) +hicn_face_prod_next_from_data_hdr (vlib_main_t *vm, vlib_buffer_t *b) { - u8 *ptr = vlib_buffer_get_current (b); - u8 v = *ptr & 0xf0; + u8 is_v6; int match_res = 1; + int ret = 0; + hicn_name_t name; + hicn_face_prod_state_t *prod_face = NULL; - if (PREDICT_TRUE (v == 0x40 && ip46_address_is_ip4 (&prefix->fp_addr))) + // 1 - ensure the packet is hicn and its format is correct + ret = hicn_data_parse_pkt (b, vlib_buffer_length_in_chain (vm, b)); + if (PREDICT_FALSE (ret)) { - match_res = match_ip4_name ((u32 *) & (ptr[12]), prefix); + return HICN_FACE_PROD_NEXT_ERROR_DROP; } - else if (PREDICT_TRUE (v == 0x60 && !ip46_address_is_ip4 (&prefix->fp_addr))) + + // 2 - make sure the packet refers to a valid producer app state and + // retrieve app state information + prod_face = &face_state_vec[vnet_buffer (b)->sw_if_index[VLIB_RX]]; + vnet_buffer (b)->ip.adj_index[VLIB_RX] = prod_face->adj_index; + + // 3 - make sure the address in the packet belongs to the producer prefix + // of this face + const fib_prefix_t *prefix = &prod_face->prefix; + is_v6 = hicn_buffer_is_v6 (b); + hicn_packet_get_name (&hicn_get_buffer (b)->pkbuf, &name); + if (PREDICT_TRUE (!is_v6 && ip46_address_is_ip4 (&prefix->fp_addr))) { - match_res = match_ip6_name (& (ptr[8]), prefix); + match_res = match_ip4_name (&name.prefix.v4.as_u32, prefix); + } + else if (PREDICT_TRUE (is_v6 && !ip46_address_is_ip4 (&prefix->fp_addr))) + { + match_res = match_ip6_name (name.prefix.v6.as_u8, prefix); } - return match_res ? HICN_FACE_PROD_NEXT_DATA_IP4 + (v == - 0x60) : - HICN_FACE_PROD_NEXT_ERROR_DROP; + // 4 - if match found, forward data to next hicn node + return match_res ? HICN_FACE_PROD_NEXT_PCS : HICN_FACE_PROD_NEXT_ERROR_DROP; } static_always_inline void -hicn_face_prod_trace_buffer (vlib_main_t * vm, vlib_node_runtime_t * node, - u32 swif, vlib_buffer_t * b, u32 next) +hicn_face_prod_trace_buffer (vlib_main_t *vm, vlib_node_runtime_t *node, + u32 swif, vlib_buffer_t *b, u32 next) { if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) && (b->flags & VLIB_BUFFER_IS_TRACED))) @@ -133,13 +153,13 @@ hicn_face_prod_trace_buffer (vlib_main_t * vm, vlib_node_runtime_t * node, } static uword -hicn_face_prod_input_node_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame) +hicn_face_prod_input_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, + vlib_frame_t *frame) { u32 n_left_from, *from, *to_next; hicn_face_prod_next_t next_index; vl_api_hicn_api_node_stats_get_reply_t stats = { 0 }; + u32 thread_index = vm->thread_index; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; @@ -153,23 +173,30 @@ hicn_face_prod_input_node_fn (vlib_main_t * vm, while (n_left_from >= 8 && n_left_to_next >= 4) { vlib_buffer_t *b0, *b1, *b2, *b3; + hicn_buffer_t *hicnb0, *hicnb1, *hicnb2, *hicnb3; u32 bi0, bi1, bi2, bi3; - hicn_face_prod_state_t *prod_face0 = NULL; - hicn_face_prod_state_t *prod_face1 = NULL; - hicn_face_prod_state_t *prod_face2 = NULL; - hicn_face_prod_state_t *prod_face3 = NULL; u32 next0, next1, next2, next3; + // Prefetch next iteration { vlib_buffer_t *b4, *b5, *b6, *b7; b4 = vlib_get_buffer (vm, from[4]); b5 = vlib_get_buffer (vm, from[5]); b6 = vlib_get_buffer (vm, from[6]); b7 = vlib_get_buffer (vm, from[7]); - CLIB_PREFETCH (b4, CLIB_CACHE_LINE_BYTES, STORE); - CLIB_PREFETCH (b5, CLIB_CACHE_LINE_BYTES, STORE); - CLIB_PREFETCH (b6, CLIB_CACHE_LINE_BYTES, STORE); - CLIB_PREFETCH (b7, CLIB_CACHE_LINE_BYTES, STORE); + CLIB_PREFETCH (b4, 2 * CLIB_CACHE_LINE_BYTES, WRITE); + CLIB_PREFETCH (b5, 2 * CLIB_CACHE_LINE_BYTES, WRITE); + CLIB_PREFETCH (b6, 2 * CLIB_CACHE_LINE_BYTES, WRITE); + CLIB_PREFETCH (b7, 2 * CLIB_CACHE_LINE_BYTES, WRITE); + + CLIB_PREFETCH (vlib_buffer_get_current (b4), + 2 * CLIB_CACHE_LINE_BYTES, WRITE); + CLIB_PREFETCH (vlib_buffer_get_current (b5), + 2 * CLIB_CACHE_LINE_BYTES, WRITE); + CLIB_PREFETCH (vlib_buffer_get_current (b6), + 2 * CLIB_CACHE_LINE_BYTES, WRITE); + CLIB_PREFETCH (vlib_buffer_get_current (b7), + 2 * CLIB_CACHE_LINE_BYTES, WRITE); } bi0 = from[0]; @@ -192,53 +219,71 @@ hicn_face_prod_input_node_fn (vlib_main_t * vm, b2 = vlib_get_buffer (vm, bi2); b3 = vlib_get_buffer (vm, bi3); - prod_face0 = - &face_state_vec[vnet_buffer (b0)->sw_if_index[VLIB_RX]]; - prod_face1 = - &face_state_vec[vnet_buffer (b1)->sw_if_index[VLIB_RX]]; - prod_face2 = - &face_state_vec[vnet_buffer (b2)->sw_if_index[VLIB_RX]]; - prod_face3 = - &face_state_vec[vnet_buffer (b3)->sw_if_index[VLIB_RX]]; - - next0 = - hicn_face_prod_next_from_data_hdr (node, b0, &prod_face0->prefix); - next1 = - hicn_face_prod_next_from_data_hdr (node, b1, &prod_face1->prefix); - next2 = - hicn_face_prod_next_from_data_hdr (node, b2, &prod_face2->prefix); - next3 = - hicn_face_prod_next_from_data_hdr (node, b3, &prod_face3->prefix); + hicnb0 = hicn_get_buffer (b0); + hicnb1 = hicn_get_buffer (b1); + hicnb2 = hicn_get_buffer (b2); + hicnb3 = hicn_get_buffer (b3); + + hicnb0->flags = HICN_FACE_FLAGS_DEFAULT; + hicnb1->flags = HICN_FACE_FLAGS_DEFAULT; + hicnb2->flags = HICN_FACE_FLAGS_DEFAULT; + hicnb3->flags = HICN_FACE_FLAGS_DEFAULT; + + // parse packets and get next node + next0 = hicn_face_prod_next_from_data_hdr (vm, b0); + next1 = hicn_face_prod_next_from_data_hdr (vm, b1); + next2 = hicn_face_prod_next_from_data_hdr (vm, b2); + next3 = hicn_face_prod_next_from_data_hdr (vm, b3); stats.pkts_data_count += 4; - /* trace */ - hicn_face_prod_trace_buffer (vm, node, - vnet_buffer (b0)->sw_if_index[VLIB_RX], - b0, next0); - hicn_face_prod_trace_buffer (vm, node, - vnet_buffer (b1)->sw_if_index[VLIB_RX], - b1, next1); - hicn_face_prod_trace_buffer (vm, node, - vnet_buffer (b2)->sw_if_index[VLIB_RX], - b2, next2); - hicn_face_prod_trace_buffer (vm, node, - vnet_buffer (b3)->sw_if_index[VLIB_RX], - b3, next3); - - /* enqueue */ + // counters + vlib_increment_combined_counter ( + &counters[hicnb0->face_id * HICN_N_COUNTER], thread_index, + HICN_FACE_COUNTERS_DATA_RX, 1, + vlib_buffer_length_in_chain (vm, b0)); + stats.pkts_data_count += 1; + + vlib_increment_combined_counter ( + &counters[hicnb1->face_id * HICN_N_COUNTER], thread_index, + HICN_FACE_COUNTERS_DATA_RX, 1, + vlib_buffer_length_in_chain (vm, b0)); + stats.pkts_data_count += 1; + + vlib_increment_combined_counter ( + &counters[hicnb2->face_id * HICN_N_COUNTER], thread_index, + HICN_FACE_COUNTERS_DATA_RX, 1, + vlib_buffer_length_in_chain (vm, b0)); + stats.pkts_data_count += 1; + + vlib_increment_combined_counter ( + &counters[hicnb3->face_id * HICN_N_COUNTER], thread_index, + HICN_FACE_COUNTERS_DATA_RX, 1, + vlib_buffer_length_in_chain (vm, b0)); + stats.pkts_data_count += 1; + + // trace + hicn_face_prod_trace_buffer ( + vm, node, vnet_buffer (b0)->sw_if_index[VLIB_RX], b0, next0); + hicn_face_prod_trace_buffer ( + vm, node, vnet_buffer (b1)->sw_if_index[VLIB_RX], b1, next1); + hicn_face_prod_trace_buffer ( + vm, node, vnet_buffer (b2)->sw_if_index[VLIB_RX], b2, next2); + hicn_face_prod_trace_buffer ( + vm, node, vnet_buffer (b3)->sw_if_index[VLIB_RX], b3, next3); + + // enqueue vlib_validate_buffer_enqueue_x4 (vm, node, next_index, to_next, n_left_to_next, bi0, bi1, bi2, bi3, next0, next1, next2, next3); stats.pkts_processed += 4; - } while (n_left_from > 0 && n_left_to_next > 0) { vlib_buffer_t *b0; - u32 bi0, swif; - hicn_face_prod_state_t *prod_face = NULL; + hicn_buffer_t *hicnb0; + u32 bi0; u32 next0; if (n_left_from > 1) @@ -256,38 +301,41 @@ hicn_face_prod_input_node_fn (vlib_main_t * vm, n_left_to_next -= 1; b0 = vlib_get_buffer (vm, bi0); - swif = vnet_buffer (b0)->sw_if_index[VLIB_RX]; - prod_face = &face_state_vec[swif]; + hicnb0 = hicn_get_buffer (b0); + hicnb0->flags = HICN_FACE_FLAGS_DEFAULT; - next0 = - hicn_face_prod_next_from_data_hdr (node, b0, &prod_face->prefix); + next0 = hicn_face_prod_next_from_data_hdr (vm, b0); stats.pkts_data_count++; + // counters + vlib_increment_combined_counter ( + &counters[hicnb0->face_id * HICN_N_COUNTER], thread_index, + HICN_FACE_COUNTERS_DATA_RX, 1, + vlib_buffer_length_in_chain (vm, b0)); + stats.pkts_data_count += 1; + /* trace */ - hicn_face_prod_trace_buffer (vm, node, - vnet_buffer (b0)->sw_if_index[VLIB_RX], - b0, next0); + hicn_face_prod_trace_buffer ( + vm, node, vnet_buffer (b0)->sw_if_index[VLIB_RX], b0, next0); /* enqueue */ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, bi0, next0); stats.pkts_processed += 1; - } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } - vlib_node_increment_counter (vm, node->node_index, - HICNFWD_ERROR_PROCESSED, stats.pkts_processed); + vlib_node_increment_counter (vm, node->node_index, HICNFWD_ERROR_PROCESSED, + stats.pkts_processed); vlib_node_increment_counter (vm, node->node_index, HICNFWD_ERROR_DATAS, stats.pkts_data_count); return (frame->n_vectors); } -/* *INDENT-OFF* */ VLIB_REGISTER_NODE(hicn_face_prod_input_node) = { .function = hicn_face_prod_input_node_fn, @@ -300,12 +348,10 @@ VLIB_REGISTER_NODE(hicn_face_prod_input_node) = .n_next_nodes = HICN_FACE_PROD_N_NEXT, .next_nodes = { - [HICN_FACE_PROD_NEXT_DATA_IP4] = "hicn4-face-input", - [HICN_FACE_PROD_NEXT_DATA_IP6] = "hicn6-face-input", + [HICN_FACE_PROD_NEXT_PCS] = "hicn-data-pcslookup", [HICN_FACE_PROD_NEXT_ERROR_DROP] = "error-drop", }, }; -/* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON |