diff options
Diffstat (limited to 'src/vnet/cop/ip4_whitelist.c')
| -rw-r--r-- | src/vnet/cop/ip4_whitelist.c | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/src/vnet/cop/ip4_whitelist.c b/src/vnet/cop/ip4_whitelist.c deleted file mode 100644 index 484ad3637af..00000000000 --- a/src/vnet/cop/ip4_whitelist.c +++ /dev/null @@ -1,332 +0,0 @@ -/* - * Copyright (c) 2016 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 <vnet/cop/cop.h> -#include <vnet/fib/ip4_fib.h> -#include <vnet/dpo/load_balance.h> - -typedef struct { - u32 next_index; - u32 sw_if_index; -} ip4_cop_whitelist_trace_t; - -/* packet trace format function */ -static u8 * format_ip4_cop_whitelist_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_cop_whitelist_trace_t * t = va_arg (*args, ip4_cop_whitelist_trace_t *); - - s = format (s, "IP4_COP_WHITELIST: sw_if_index %d, next index %d", - t->sw_if_index, t->next_index); - return s; -} - -#define foreach_ip4_cop_whitelist_error \ -_(DROPPED, "ip4 cop whitelist packets dropped") - -typedef enum { -#define _(sym,str) IP4_COP_WHITELIST_ERROR_##sym, - foreach_ip4_cop_whitelist_error -#undef _ - IP4_COP_WHITELIST_N_ERROR, -} ip4_cop_whitelist_error_t; - -static char * ip4_cop_whitelist_error_strings[] = { -#define _(sym,string) string, - foreach_ip4_cop_whitelist_error -#undef _ -}; - -VLIB_NODE_FN (ip4_cop_whitelist_node) (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame) -{ - u32 n_left_from, * from, * to_next; - cop_feature_type_t next_index; - cop_main_t *cm = &cop_main; - vlib_combined_counter_main_t * vcm = &load_balance_main.lbm_via_counters; - u32 thread_index = vm->thread_index; - - 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 >= 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; - cop_config_main_t * ccm0, * ccm1; - cop_config_data_t * c0, * c1; - ip4_fib_mtrie_t * mtrie0, * mtrie1; - ip4_fib_mtrie_leaf_t leaf0, leaf1; - 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 (p2->data, CLIB_CACHE_LINE_BYTES, STORE); - CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE); - } - - /* 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->cop_config_mains + VNET_COP_IP4; - - c0 = vnet_get_config_data - (&ccm0->config_main, - &vnet_buffer (b0)->cop.current_config_index, - &next0, - sizeof (c0[0])); - - mtrie0 = &ip4_fib_get (c0->fib_index)->mtrie; - - leaf0 = ip4_fib_mtrie_lookup_step_one (mtrie0, &ip0->src_address); - - leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, - &ip0->src_address, 2); - - leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, - &ip0->src_address, 3); - - lb_index0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0); - - 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_COP_WHITELIST_ERROR_DROPPED]; - next0 = RX_COP_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->cop_config_mains + VNET_COP_IP4; - - c1 = vnet_get_config_data - (&ccm1->config_main, - &vnet_buffer (b1)->cop.current_config_index, - &next1, - sizeof (c1[0])); - mtrie1 = &ip4_fib_get (c1->fib_index)->mtrie; - - leaf1 = ip4_fib_mtrie_lookup_step_one (mtrie1, &ip1->src_address); - - leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, - &ip1->src_address, 2); - - leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, - &ip1->src_address, 3); - - lb_index1 = ip4_fib_mtrie_leaf_get_adj_index (leaf1); - 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_COP_WHITELIST_ERROR_DROPPED]; - next1 = RX_COP_DROP; - } - - if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - ip4_cop_whitelist_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_cop_whitelist_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; - cop_config_main_t *ccm0; - cop_config_data_t *c0; - ip4_fib_mtrie_t * mtrie0; - ip4_fib_mtrie_leaf_t leaf0; - 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->cop_config_mains + VNET_COP_IP4; - - c0 = vnet_get_config_data - (&ccm0->config_main, - &vnet_buffer (b0)->cop.current_config_index, - &next0, - sizeof (c0[0])); - - mtrie0 = &ip4_fib_get (c0->fib_index)->mtrie; - - leaf0 = ip4_fib_mtrie_lookup_step_one (mtrie0, &ip0->src_address); - - leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, - &ip0->src_address, 2); - - leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, - &ip0->src_address, 3); - - lb_index0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0); - - 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_COP_WHITELIST_ERROR_DROPPED]; - next0 = RX_COP_DROP; - } - - if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - ip4_cop_whitelist_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); - } - return frame->n_vectors; -} - -VLIB_REGISTER_NODE (ip4_cop_whitelist_node) = { - .name = "ip4-cop-whitelist", - .vector_size = sizeof (u32), - .format_trace = format_ip4_cop_whitelist_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - - .n_errors = ARRAY_LEN(ip4_cop_whitelist_error_strings), - .error_strings = ip4_cop_whitelist_error_strings, - - .n_next_nodes = COP_RX_N_FEATURES, - - /* edit / add dispositions here */ - .next_nodes = { - [IP4_RX_COP_WHITELIST] = "ip4-cop-whitelist", - [IP6_RX_COP_WHITELIST] = "ip6-cop-whitelist", - [DEFAULT_RX_COP_WHITELIST] = "default-cop-whitelist", - [IP4_RX_COP_INPUT] = "ip4-input", - [IP6_RX_COP_INPUT] = "ip6-input", - [DEFAULT_RX_COP_INPUT] = "ethernet-input", - [RX_COP_DROP] = "error-drop", - }, -}; - -static clib_error_t * -ip4_whitelist_init (vlib_main_t * vm) -{ - return 0; -} - -VLIB_INIT_FUNCTION (ip4_whitelist_init); |