diff options
Diffstat (limited to 'src/vnet/interface_stats.c')
| -rw-r--r-- | src/vnet/interface_stats.c | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/src/vnet/interface_stats.c b/src/vnet/interface_stats.c new file mode 100644 index 00000000000..1b07552727c --- /dev/null +++ b/src/vnet/interface_stats.c @@ -0,0 +1,224 @@ +/* + * Copyright (c) 2018 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 <vlib/vlib.h> +#include <vnet/vnet.h> +#include <vppinfra/error.h> + +#include <vnet/feature/feature.h> +#include <vnet/ethernet/ethernet.h> + +int +vnet_sw_interface_stats_collect_enable_disable (u32 sw_if_index, u8 enable) +{ + ethernet_interface_t *eif; + vnet_sw_interface_t *si; + ethernet_main_t *em; + vnet_main_t *vnm; + + vnm = vnet_get_main (); + em = ðernet_main; + si = vnet_get_sw_interface (vnm, sw_if_index); + + /* + * only ethernet HW interfaces are supported at this time + */ + if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE) + { + return (VNET_API_ERROR_INVALID_VALUE); + } + + eif = ethernet_get_interface (em, si->hw_if_index); + + if (!eif) + { + return (VNET_API_ERROR_FEATURE_DISABLED); + } + + vnet_feature_enable_disable ("device-input", "stats-collect-rx", + sw_if_index, enable, 0, 0); + vnet_feature_enable_disable ("interface-output", "stats-collect-tx", + sw_if_index, enable, 0, 0); + + return (0); +} + +static u8 * +format_stats_collect_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 *); + + return s; +} + +#define inc_counter(ctype, rx_tx) \ +{ \ +} + +static_always_inline uword +stats_collect_inline (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame, vlib_rx_or_tx_t rxtx) +{ + vnet_interface_counter_type_t ct; + u32 n_left_from, *from, *to_next; + u32 next_index; + u32 sw_if_index = 0; + u32 stats_n_packets[VNET_N_COMBINED_INTERFACE_COUNTER] = { 0 }; + u64 stats_n_bytes[VNET_N_COMBINED_INTERFACE_COUNTER] = { 0 }; + + 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) + { + u32 bi0; + vlib_buffer_t *b0; + u32 next0 = 0; + int b0_ctype; + + /* speculatively enqueue b0 to the current next frame */ + to_next[0] = bi0 = from[0]; + to_next += 1; + n_left_to_next -= 1; + from += 1; + n_left_from -= 1; + + b0 = vlib_get_buffer (vm, bi0); + sw_if_index = vnet_buffer (b0)->sw_if_index[rxtx]; + + if (VLIB_RX == rxtx) + { + b0_ctype = + eh_dst_addr_to_rx_ctype (vlib_buffer_get_current (b0)); + } + else + { + b0_ctype = + eh_dst_addr_to_tx_ctype (vlib_buffer_get_current (b0)); + } + + stats_n_bytes[b0_ctype] += vlib_buffer_length_in_chain (vm, b0); + stats_n_packets[b0_ctype] += 1; + + vnet_feature_next (sw_if_index, &next0, b0); + + vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, + n_left_to_next, bi0, next0); + } + + if (VLIB_RX == rxtx) + { + foreach_rx_combined_interface_counter (ct) + { + vlib_increment_combined_counter + (vnet_main.interface_main.combined_sw_if_counters + ct, + vlib_get_thread_index (), + sw_if_index, stats_n_packets[ct], stats_n_bytes[ct]); + } + } + else + { + foreach_tx_combined_interface_counter (ct) + { + vlib_increment_combined_counter + (vnet_main.interface_main.combined_sw_if_counters + ct, + vlib_get_thread_index (), + sw_if_index, stats_n_packets[ct], stats_n_bytes[ct]); + } + } + + vlib_put_next_frame (vm, node, next_index, n_left_to_next); + } + + return frame->n_vectors; +} + +static uword +stats_collect_rx (vlib_main_t * vm, + vlib_node_runtime_t * node, vlib_frame_t * frame) +{ + return stats_collect_inline (vm, node, frame, VLIB_RX); +} + +static uword +stats_collect_tx (vlib_main_t * vm, + vlib_node_runtime_t * node, vlib_frame_t * frame) +{ + return stats_collect_inline (vm, node, frame, VLIB_TX); +} + +/* *INDENT-OFF* */ +VLIB_REGISTER_NODE (stats_collect_rx_node) = { + .vector_size = sizeof (u32), + .format_trace = format_stats_collect_trace, + .type = VLIB_NODE_TYPE_INTERNAL, + .n_errors = 0, + .n_next_nodes = 0, + .function = stats_collect_rx, + .name = "stats-collect-rx", +}; + +VLIB_REGISTER_NODE (stats_collect_tx_node) = { + .vector_size = sizeof (u32), + .format_trace = format_stats_collect_trace, + .type = VLIB_NODE_TYPE_INTERNAL, + .n_errors = 0, + .n_next_nodes = 0, + .function = stats_collect_tx, + .name = "stats-collect-tx", +}; + +VLIB_NODE_FUNCTION_MULTIARCH (stats_collect_rx_node, stats_collect_rx); +VLIB_NODE_FUNCTION_MULTIARCH (stats_collect_tx_node, stats_collect_tx); + +VNET_FEATURE_INIT (stats_collect_rx_node, static) = { + .arc_name = "device-input", + .node_name = "stats-collect-rx", + .runs_before = VNET_FEATURES ("ethernet-input"), +}; + +VNET_FEATURE_INIT (stats_collect_tx_node, static) = { + .arc_name = "interface-output", + .node_name = "stats-collect-tx", + .runs_before = VNET_FEATURES ("interface-tx"), +}; + +/* *INDENT-ON* */ + +static clib_error_t * +stats_collect_init (vlib_main_t * vm) +{ + return 0; +} + +VLIB_INIT_FUNCTION (stats_collect_init); + + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |