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 | 150 |
1 files changed, 93 insertions, 57 deletions
diff --git a/hicn-plugin/src/faces/app/face_prod_node.c b/hicn-plugin/src/faces/app/face_prod_node.c index 5d2b54040..e3241e477 100644 --- a/hicn-plugin/src/faces/app/face_prod_node.c +++ b/hicn-plugin/src/faces/app/face_prod_node.c @@ -42,12 +42,12 @@ 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; @@ -65,11 +65,14 @@ format_face_prod_input_trace (u8 *s, va_list *args) 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; @@ -79,7 +82,7 @@ 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 { @@ -96,24 +99,42 @@ match_ip6_name (u8 *name, fib_prefix_t *prefix) } 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_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; + + // 1 - ensure the packet is hicn and its format is correct + ret = hicn_data_parse_pkt (b); + if (PREDICT_FALSE (ret)) + { + return HICN_FACE_PROD_NEXT_ERROR_DROP; + } - if (PREDICT_TRUE (v == 0x40 && 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); + name = &hicn_get_buffer (b)->name; + if (PREDICT_TRUE (!is_v6 && ip46_address_is_ip4 (&prefix->fp_addr))) { - match_res = match_ip4_name ((u32 *) &(ptr[12]), prefix); + match_res = match_ip4_name (&name->prefix.ip4.as_u32, prefix); } - else if (PREDICT_TRUE (v == 0x60 && !ip46_address_is_ip4 (&prefix->fp_addr))) + else if (PREDICT_TRUE (is_v6 && !ip46_address_is_ip4 (&prefix->fp_addr))) { - match_res = match_ip6_name (&(ptr[8]), prefix); + match_res = match_ip6_name (name->prefix.ip6.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 @@ -137,6 +158,7 @@ hicn_face_prod_input_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, 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; @@ -152,22 +174,28 @@ hicn_face_prod_input_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, 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]; @@ -200,31 +228,39 @@ hicn_face_prod_input_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, hicnb2->flags = HICN_FACE_FLAGS_DEFAULT; hicnb3->flags = HICN_FACE_FLAGS_DEFAULT; - 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]]; - - vnet_buffer (b0)->ip.adj_index[VLIB_RX] = - face_state_vec[vnet_buffer (b0)->sw_if_index[VLIB_RX]].adj_index; - vnet_buffer (b1)->ip.adj_index[VLIB_RX] = - face_state_vec[vnet_buffer (b1)->sw_if_index[VLIB_RX]].adj_index; - vnet_buffer (b2)->ip.adj_index[VLIB_RX] = - face_state_vec[vnet_buffer (b2)->sw_if_index[VLIB_RX]].adj_index; - vnet_buffer (b3)->ip.adj_index[VLIB_RX] = - face_state_vec[vnet_buffer (b3)->sw_if_index[VLIB_RX]].adj_index; - - 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); + // parse packets and get next node + next0 = hicn_face_prod_next_from_data_hdr (b0); + next1 = hicn_face_prod_next_from_data_hdr (b1); + next2 = hicn_face_prod_next_from_data_hdr (b2); + next3 = hicn_face_prod_next_from_data_hdr (b3); stats.pkts_data_count += 4; - /* trace */ + // 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 ( @@ -234,7 +270,7 @@ hicn_face_prod_input_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, hicn_face_prod_trace_buffer ( vm, node, vnet_buffer (b3)->sw_if_index[VLIB_RX], b3, next3); - /* enqueue */ + // enqueue vlib_validate_buffer_enqueue_x4 (vm, node, next_index, to_next, n_left_to_next, bi0, bi1, bi2, bi3, next0, next1, next2, next3); @@ -246,8 +282,7 @@ hicn_face_prod_input_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, { vlib_buffer_t *b0; hicn_buffer_t *hicnb0; - u32 bi0, swif; - hicn_face_prod_state_t *prod_face = NULL; + u32 bi0; u32 next0; if (n_left_from > 1) @@ -267,15 +302,17 @@ hicn_face_prod_input_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, b0 = vlib_get_buffer (vm, bi0); hicnb0 = hicn_get_buffer (b0); hicnb0->flags = HICN_FACE_FLAGS_DEFAULT; - swif = vnet_buffer (b0)->sw_if_index[VLIB_RX]; - prod_face = &face_state_vec[swif]; - next0 = - hicn_face_prod_next_from_data_hdr (node, b0, &prod_face->prefix); - vnet_buffer (b0)->ip.adj_index[VLIB_RX] = - face_state_vec[swif].adj_index; + next0 = hicn_face_prod_next_from_data_hdr (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); @@ -310,8 +347,7 @@ 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", }, }; @@ -320,4 +356,4 @@ VLIB_REGISTER_NODE(hicn_face_prod_input_node) = * fd.io coding-style-patch-verification: ON * * Local Variables: eval: (c-set-style "gnu") End: - */ + */
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