vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2018-10-23	Release Notes for 18.10	Marco Varlese	1	-0/+316
2018-07-30	Update Release Notes for 18.07 Release	Ed Warnicke	1	-0/+316
2018-05-18	18.01.2 Release Notes	Dave Wallace	1	-0/+10
2018-04-26	VPP 18.04 release notes	Chris Luke	1	-252/+1732
2018-04-04	Doc updates prior to branch	Chris Luke	1	-0/+8
2018-02-02	Update 18.01 Release Notes	Dave Wallace	1	-0/+1
2018-01-25	18.01 Release Notes	Dave Wallace	1	-3/+453
2017-10-26	17.10 Release Notes	Florin Coras	1	-0/+251
2017-07-26	17.07 Release Note	Neale Ranns	1	-0/+64
2017-05-16	1704: Release notes. Cherry pick from 6288.	Ole Troan	1	-2/+111
2017-04-20	docs: Forward-port missing 17.01 release notes	Chris Luke	1	-1/+83
2017-03-01	Initial Release notes for 17.04.	Ole Troan	1	-0/+20
2016-12-21	Bump to 17.04 releasev17.04-rc0	Damjan Marion	1	-1/+6
2016-09-21	Copy the 16.09 release notes to master	Chris Luke	1	-0/+200

/* * Copyright (c) 2016,2020 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 <plugins/adl/adl.h> #include <vnet/fib/ip4_fib.h> #include <vnet/dpo/load_balance.h> typedef struct { u32 next_index; u32 sw_if_index; } ip4_adl_allowlist_trace_t; /* packet trace format function */ static u8 * format_ip4_adl_allowlist_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 *); ip4_adl_allowlist_trace_t * t = va_arg (*args, ip4_adl_allowlist_trace_t *); s = format (s, "IP4_ADL_ALLOWLIST: sw_if_index %d, next index %d", t->sw_if_index, t->next_index); return s; } #define foreach_ip4_adl_allowlist_error \ _(ALLOWED, "ip4 allowlist allowed") \ _(DROPPED, "ip4 allowlist dropped") typedef enum { #define _(sym,str) IP4_ADL_ALLOWLIST_ERROR_##sym, foreach_ip4_adl_allowlist_error #undef _ IP4_ADL_ALLOWLIST_N_ERROR, } ip4_adl_allowlist_error_t; static char * ip4_adl_allowlist_error_strings[] = { #define _(sym,string) string, foreach_ip4_adl_allowlist_error #undef _ }; VLIB_NODE_FN (ip4_adl_allowlist_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { u32 n_left_from, * from, * to_next; adl_feature_type_t next_index; adl_main_t *cm = &adl_main; vlib_combined_counter_main_t * vcm = &load_balance_main.lbm_via_counters; u32 thread_index = vm->thread_index; u32 allowed_packets; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; allowed_packets = n_left_from; 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 >= 4 && n_left_to_next >= 2) { u32 bi0, bi1; vlib_buffer_t * b0, * b1; u32 next0, next1; u32 sw_if_index0, sw_if_index1; ip4_header_t * ip0, * ip1; adl_config_main_t * ccm0, * ccm1; adl_config_data_t * c0, * c1; u32 lb_index0, lb_index1; const load_balance_t *lb0, *lb1; const dpo_id_t *dpo0, *dpo1; /* Prefetch next iteration. */ { vlib_buffer_t *p2, *p3; p2 = vlib_get_buffer (vm, from[2]); p3 = vlib_get_buffer (vm, from[3]); vlib_prefetch_buffer_header (p2, LOAD); vlib_prefetch_buffer_header (p3, LOAD); clib_prefetch_store (p2->data); clib_prefetch_store (p3->data); } /* speculatively enqueue b0 and b1 to the current next frame */ to_next[0] = bi0 = from[0]; to_next[1] = bi1 = from[1]; from += 2; to_next += 2; n_left_from -= 2; n_left_to_next -= 2; b0 = vlib_get_buffer (vm, bi0); sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; ip0 = vlib_buffer_get_current (b0); ccm0 = cm->adl_config_mains + VNET_ADL_IP4; c0 = vnet_get_config_data ( &ccm0->config_main, &adl_buffer (b0)->adl.current_config_index, &next0, sizeof (c0[0])); lb_index0 = ip4_fib_forwarding_lookup (c0->fib_index, &ip0->src_address); ASSERT (lb_index0 == ip4_fib_table_lookup_lb (ip4_fib_get(c0->fib_index), &ip0->src_address)); lb0 = load_balance_get (lb_index0); dpo0 = load_balance_get_bucket_i(lb0, 0); if (PREDICT_FALSE(dpo0->dpoi_type != DPO_RECEIVE)) { b0->error = node->errors[IP4_ADL_ALLOWLIST_ERROR_DROPPED]; allowed_packets--; next0 = RX_ADL_DROP; } b1 = vlib_get_buffer (vm, bi1); sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX]; ip1 = vlib_buffer_get_current (b1); ccm1 = cm->adl_config_mains + VNET_ADL_IP4; c1 = vnet_get_config_data (&ccm1->config_main, &adl_buffer (b1)->adl.current_config_index, &next1, sizeof (c1[0])); lb_index1 = ip4_fib_forwarding_lookup (c1->fib_index, &ip1->src_address); ASSERT (lb_index1 == ip4_fib_table_lookup_lb (ip4_fib_get(c1->fib_index), &ip1->src_address)); lb1 = load_balance_get (lb_index1); dpo1 = load_balance_get_bucket_i(lb1, 0); vlib_increment_combined_counter (vcm, thread_index, lb_index0, 1, vlib_buffer_length_in_chain (vm, b0) + sizeof(ethernet_header_t)); vlib_increment_combined_counter (vcm, thread_index, lb_index1, 1, vlib_buffer_length_in_chain (vm, b1) + sizeof(ethernet_header_t)); if (PREDICT_FALSE(dpo1->dpoi_type != DPO_RECEIVE)) { b1->error = node->errors[IP4_ADL_ALLOWLIST_ERROR_DROPPED]; allowed_packets--; next1 = RX_ADL_DROP; } if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) && (b0->flags & VLIB_BUFFER_IS_TRACED))) { ip4_adl_allowlist_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->sw_if_index = sw_if_index0; t->next_index = next0; } if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) && (b1->flags & VLIB_BUFFER_IS_TRACED))) { ip4_adl_allowlist_trace_t *t = vlib_add_trace (vm, node, b1, sizeof (*t)); t->sw_if_index = sw_if_index1; t->next_index = next1; } /* verify speculative enqueues, maybe switch current next frame */ vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next, n_left_to_next, bi0, bi1, next0, next1); } while (n_left_from > 0 && n_left_to_next > 0) { u32 bi0; vlib_buffer_t * b0; u32 next0; u32 sw_if_index0; ip4_header_t * ip0; adl_config_main_t *ccm0; adl_config_data_t *c0; u32 lb_index0; const load_balance_t *lb0; const dpo_id_t *dpo0; /* speculatively enqueue b0 to the current next frame */ bi0 = from[0]; to_next[0] = bi0; from += 1; to_next += 1; n_left_from -= 1; n_left_to_next -= 1; b0 = vlib_get_buffer (vm, bi0); sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX]; ip0 = vlib_buffer_get_current (b0); ccm0 = cm->adl_config_mains + VNET_ADL_IP4; c0 = vnet_get_config_data (&ccm0->config_main, &adl_buffer (b0)->adl.current_config_index, &next0, sizeof (c0[0])); lb_index0 = ip4_fib_forwarding_lookup (c0->fib_index, &ip0->src_address); ASSERT (lb_index0 == ip4_fib_table_lookup_lb (ip4_fib_get (c0->fib_index), &ip0->src_address)); lb0 = load_balance_get (lb_index0); dpo0 = load_balance_get_bucket_i(lb0, 0); vlib_increment_combined_counter (vcm, thread_index, lb_index0, 1, vlib_buffer_length_in_chain (vm, b0) + sizeof(ethernet_header_t)); if (PREDICT_FALSE(dpo0->dpoi_type != DPO_RECEIVE)) { b0->error = node->errors[IP4_ADL_ALLOWLIST_ERROR_DROPPED]; allowed_packets--; next0 = RX_ADL_DROP; } if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) && (b0->flags & VLIB_BUFFER_IS_TRACED))) { ip4_adl_allowlist_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->sw_if_index = sw_if_index0; t->next_index = next0; } /* 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); } vlib_node_increment_counter (vm, node->node_index, IP4_ADL_ALLOWLIST_ERROR_ALLOWED, allowed_packets); return frame->n_vectors; } VLIB_REGISTER_NODE (ip4_adl_allowlist_node) = { .name = "ip4-adl-allowlist", .vector_size = sizeof (u32), .format_trace = format_ip4_adl_allowlist_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_errors = ARRAY_LEN(ip4_adl_allowlist_error_strings), .error_strings = ip4_adl_allowlist_error_strings, .n_next_nodes = ADL_RX_N_FEATURES, /* edit / add dispositions here */ .next_nodes = { [IP4_RX_ADL_ALLOWLIST] = "ip4-adl-allowlist", [IP6_RX_ADL_ALLOWLIST] = "ip6-adl-allowlist", [DEFAULT_RX_ADL_ALLOWLIST] = "default-adl-allowlist", [IP4_RX_ADL_INPUT] = "ip4-input", [IP6_RX_ADL_INPUT] = "ip6-input", [DEFAULT_RX_ADL_INPUT] = "ethernet-input", [RX_ADL_DROP] = "error-drop", }, }; static clib_error_t * ip4_allowlist_init (vlib_main_t * vm) { return 0; } VLIB_INIT_FUNCTION (ip4_allowlist_init);