diff options
Diffstat (limited to 'src/vnet/cop')
| -rw-r--r-- | src/vnet/cop/FEATURE.yaml | 11 | ||||
| -rw-r--r-- | src/vnet/cop/cop.api | 4 | ||||
| -rw-r--r-- | src/vnet/cop/cop.c | 384 | ||||
| -rw-r--r-- | src/vnet/cop/cop.h | 89 | ||||
| -rw-r--r-- | src/vnet/cop/cop_api.c | 60 | ||||
| -rw-r--r-- | src/vnet/cop/ip4_whitelist.c | 332 | ||||
| -rw-r--r-- | src/vnet/cop/ip6_whitelist.c | 291 | ||||
| -rw-r--r-- | src/vnet/cop/node1.c | 313 |
8 files changed, 59 insertions, 1425 deletions
diff --git a/src/vnet/cop/FEATURE.yaml b/src/vnet/cop/FEATURE.yaml deleted file mode 100644 index c6fbdb86f05..00000000000 --- a/src/vnet/cop/FEATURE.yaml +++ /dev/null @@ -1,11 +0,0 @@ ---- -name: COP -maintainer: Dave Barach <dbarach@cisco.com> -features: - - v4, v6 non-default FIB src-address lookup - - Drop packets which don't hit a receive adjacency - - Not widely used - -description: "A very simple / fast source-address whitelist feature" -state: experimental -properties: [API, CLI, MULTITHREAD] diff --git a/src/vnet/cop/cop.api b/src/vnet/cop/cop.api index f0f267c4a87..39677a26673 100644 --- a/src/vnet/cop/cop.api +++ b/src/vnet/cop/cop.api @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015-2016 Cisco and/or its affiliates. + * Copyright (c) 2015-2020 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: @@ -26,6 +26,7 @@ import "vnet/interface_types.api"; autoreply define cop_interface_enable_disable { + option deprecated="v21.01"; u32 client_index; u32 context; vl_api_interface_index_t sw_if_index; @@ -46,6 +47,7 @@ autoreply define cop_interface_enable_disable autoreply define cop_whitelist_enable_disable { + option deprecated="v21.01"; u32 client_index; u32 context; vl_api_interface_index_t sw_if_index; diff --git a/src/vnet/cop/cop.c b/src/vnet/cop/cop.c deleted file mode 100644 index edd09856092..00000000000 --- a/src/vnet/cop/cop.c +++ /dev/null @@ -1,384 +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> - -cop_main_t cop_main; - -static clib_error_t * -cop_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add) -{ - cop_main_t * cm = &cop_main; - cop_config_data_t _data, *data = &_data; - vlib_main_t * vm = cm->vlib_main; - vnet_hw_interface_t * hi = vnet_get_sup_hw_interface (vnm, sw_if_index);; - cop_config_main_t * ccm; - int address_family; - u32 ci, default_next; - - clib_memset (data, 0, sizeof(*data)); - - /* - * Ignore local interface, pg interfaces. $$$ need a #define for the - * first "real" interface. The answer is 5 at the moment. - */ - if (hi->dev_class_index == vnet_local_interface_device_class.index) - return 0; - - for (address_family = VNET_COP_IP4; address_family < VNET_N_COPS; - address_family++) - { - ccm = &cm->cop_config_mains[address_family]; - - /* - * Once-only code to initialize the per-address-family - * cop feature subgraphs. - * Since the (single) start-node, cop-input, must be able - * to push pkts into three separate subgraphs, we - * use a unified cop_feature_type_t enumeration. - */ - - if (!(ccm->config_main.node_index_by_feature_index)) - { - switch (address_family) - { - case VNET_COP_IP4: - { - static char * start_nodes[] = { "cop-input" }; - static char * feature_nodes[] = { - [IP4_RX_COP_WHITELIST] = "ip4-cop-whitelist", - [IP4_RX_COP_INPUT] = "ip4-input", - }; - - vnet_config_init (vm, &ccm->config_main, - start_nodes, ARRAY_LEN(start_nodes), - feature_nodes, ARRAY_LEN(feature_nodes)); - } - break; - case VNET_COP_IP6: - { - static char * start_nodes[] = { "cop-input" }; - static char * feature_nodes[] = { - [IP6_RX_COP_WHITELIST] = "ip6-cop-whitelist", - [IP6_RX_COP_INPUT] = "ip6-input", - }; - vnet_config_init (vm, &ccm->config_main, - start_nodes, ARRAY_LEN(start_nodes), - feature_nodes, ARRAY_LEN(feature_nodes)); - } - break; - - case VNET_COP_DEFAULT: - { - static char * start_nodes[] = { "cop-input" }; - static char * feature_nodes[] = { - [DEFAULT_RX_COP_WHITELIST] = "default-cop-whitelist", - [DEFAULT_RX_COP_INPUT] = "ethernet-input", - }; - vnet_config_init (vm, &ccm->config_main, - start_nodes, ARRAY_LEN(start_nodes), - feature_nodes, ARRAY_LEN(feature_nodes)); - } - break; - - default: - clib_warning ("bug"); - break; - } - } - vec_validate_init_empty (ccm->config_index_by_sw_if_index, sw_if_index, - ~0); - - ci = ccm->config_index_by_sw_if_index[sw_if_index]; - - /* Create a sensible initial config: send pkts to xxx-input */ - if (address_family == VNET_COP_IP4) - default_next = IP4_RX_COP_INPUT; - else if (address_family == VNET_COP_IP6) - default_next = IP6_RX_COP_INPUT; - else - default_next = DEFAULT_RX_COP_INPUT; - - if (is_add) - ci = vnet_config_add_feature (vm, &ccm->config_main, - ci, - default_next, - data, sizeof(*data)); - else - ci = vnet_config_del_feature (vm, &ccm->config_main, - ci, - default_next, - data, sizeof(*data)); - - ccm->config_index_by_sw_if_index[sw_if_index] = ci; - } - return 0; -} - -VNET_SW_INTERFACE_ADD_DEL_FUNCTION (cop_sw_interface_add_del); - -static clib_error_t * -cop_init (vlib_main_t *vm) -{ - cop_main_t * cm = &cop_main; - - cm->vlib_main = vm; - cm->vnet_main = vnet_get_main(); - - return 0; -} - -/* *INDENT-OFF* */ -VLIB_INIT_FUNCTION (cop_init) = -{ - .runs_after = VLIB_INITS ("ip4_whitelist_init", "ip6_whitelist_init"), -}; -/* *INDENT-ON* */ - -int cop_interface_enable_disable (u32 sw_if_index, int enable_disable) -{ - cop_main_t * cm = &cop_main; - vnet_sw_interface_t * sw; - int rv; - u32 node_index = enable_disable ? cop_input_node.index : ~0; - - /* Not a physical port? */ - sw = vnet_get_sw_interface (cm->vnet_main, sw_if_index); - if (sw->type != VNET_SW_INTERFACE_TYPE_HARDWARE) - return VNET_API_ERROR_INVALID_SW_IF_INDEX; - - /* - * Redirect pkts from the driver to the cop node. - * Returns VNET_API_ERROR_UNIMPLEMENTED if the h/w driver - * doesn't implement the API. - * - * Node_index = ~0 => shut off redirection - */ - rv = vnet_hw_interface_rx_redirect_to_node (cm->vnet_main, sw_if_index, - node_index); - return rv; -} - -static clib_error_t * -cop_enable_disable_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - cop_main_t * cm = &cop_main; - u32 sw_if_index = ~0; - int enable_disable = 1; - - int rv; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { - if (unformat (input, "disable")) - enable_disable = 0; - else if (unformat (input, "%U", unformat_vnet_sw_interface, - cm->vnet_main, &sw_if_index)) - ; - else - break; - } - - if (sw_if_index == ~0) - return clib_error_return (0, "Please specify an interface..."); - - rv = cop_interface_enable_disable (sw_if_index, enable_disable); - - switch(rv) { - case 0: - break; - - case VNET_API_ERROR_INVALID_SW_IF_INDEX: - return clib_error_return - (0, "Invalid interface, only works on physical ports"); - break; - - case VNET_API_ERROR_UNIMPLEMENTED: - return clib_error_return (0, "Device driver doesn't support redirection"); - break; - - default: - return clib_error_return (0, "cop_interface_enable_disable returned %d", - rv); - } - return 0; -} - -VLIB_CLI_COMMAND (cop_interface_command, static) = { - .path = "cop interface", - .short_help = - "cop interface <interface-name> [disable]", - .function = cop_enable_disable_command_fn, -}; - - -int cop_whitelist_enable_disable (cop_whitelist_enable_disable_args_t *a) -{ - cop_main_t * cm = &cop_main; - vlib_main_t * vm = cm->vlib_main; - ip4_main_t * im4 = &ip4_main; - ip6_main_t * im6 = &ip6_main; - int address_family; - int is_add; - cop_config_main_t * ccm; - u32 next_to_add_del = 0; - uword * p; - u32 fib_index = 0; - u32 ci; - cop_config_data_t _data, *data=&_data; - - /* - * Enable / disable whitelist processing on the specified interface - */ - - for (address_family = VNET_COP_IP4; address_family < VNET_N_COPS; - address_family++) - { - ccm = &cm->cop_config_mains[address_family]; - - switch(address_family) - { - case VNET_COP_IP4: - is_add = (a->ip4 != 0); - next_to_add_del = IP4_RX_COP_WHITELIST; - /* configured opaque data must match, or no supper */ - p = hash_get (im4->fib_index_by_table_id, a->fib_id); - if (p) - fib_index = p[0]; - else - { - if (is_add) - return VNET_API_ERROR_NO_SUCH_FIB; - else - continue; - } - break; - - case VNET_COP_IP6: - is_add = (a->ip6 != 0); - next_to_add_del = IP6_RX_COP_WHITELIST; - p = hash_get (im6->fib_index_by_table_id, a->fib_id); - if (p) - fib_index = p[0]; - else - { - if (is_add) - return VNET_API_ERROR_NO_SUCH_FIB; - else - continue; - } - break; - - case VNET_COP_DEFAULT: - is_add = (a->default_cop != 0); - next_to_add_del = DEFAULT_RX_COP_WHITELIST; - break; - - default: - clib_warning ("BUG"); - } - - ci = ccm->config_index_by_sw_if_index[a->sw_if_index]; - data->fib_index = fib_index; - - if (is_add) - ci = vnet_config_add_feature (vm, &ccm->config_main, - ci, - next_to_add_del, - data, sizeof (*data)); - else - ci = vnet_config_del_feature (vm, &ccm->config_main, - ci, - next_to_add_del, - data, sizeof (*data)); - - ccm->config_index_by_sw_if_index[a->sw_if_index] = ci; - } - return 0; -} - -static clib_error_t * -cop_whitelist_enable_disable_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - cop_main_t * cm = &cop_main; - u32 sw_if_index = ~0; - u8 ip4 = 0; - u8 ip6 = 0; - u8 default_cop = 0; - u32 fib_id = 0; - int rv; - cop_whitelist_enable_disable_args_t _a, * a = &_a; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { - if (unformat (input, "ip4")) - ip4 = 1; - else if (unformat (input, "ip6")) - ip6 = 1; - else if (unformat (input, "default")) - default_cop = 1; - else if (unformat (input, "%U", unformat_vnet_sw_interface, - cm->vnet_main, &sw_if_index)) - ; - else if (unformat (input, "fib-id %d", &fib_id)) - ; - else - break; - } - - if (sw_if_index == ~0) - return clib_error_return (0, "Please specify an interface..."); - - a->sw_if_index = sw_if_index; - a->ip4 = ip4; - a->ip6 = ip6; - a->default_cop = default_cop; - a->fib_id = fib_id; - - rv = cop_whitelist_enable_disable (a); - - switch(rv) { - case 0: - break; - - case VNET_API_ERROR_INVALID_SW_IF_INDEX: - return clib_error_return - (0, "Invalid interface, only works on physical ports"); - break; - - case VNET_API_ERROR_NO_SUCH_FIB: - return clib_error_return - (0, "Invalid fib"); - break; - - case VNET_API_ERROR_UNIMPLEMENTED: - return clib_error_return (0, "Device driver doesn't support redirection"); - break; - - default: - return clib_error_return (0, "cop_whitelist_enable_disable returned %d", - rv); - } - - return 0; -} - -VLIB_CLI_COMMAND (cop_whitelist_command, static) = { - .path = "cop whitelist", - .short_help = - "cop whitelist <interface-name> [ip4][ip6][default][fib-id <NN>][disable]", - .function = cop_whitelist_enable_disable_command_fn, -}; diff --git a/src/vnet/cop/cop.h b/src/vnet/cop/cop.h deleted file mode 100644 index ee848ce872e..00000000000 --- a/src/vnet/cop/cop.h +++ /dev/null @@ -1,89 +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. - */ - -#ifndef __vnet_cop_h__ -#define __vnet_cop_h__ - -#include <vlib/vlib.h> -#include <vnet/vnet.h> -#include <vnet/pg/pg.h> - -#include <vppinfra/error.h> -#include <vppinfra/hash.h> -#include <vnet/vnet.h> -#include <vnet/ip/ip.h> -#include <vnet/l2/l2_input.h> -#include <vnet/ethernet/ethernet.h> -#include <vnet/ip/ip4_packet.h> -#include <vnet/ip/ip6_packet.h> - -typedef enum { - VNET_COP_IP4, - VNET_COP_IP6, - VNET_COP_DEFAULT, - VNET_N_COPS, -} vnet_cop_t; - -typedef enum { - /* First check src address against whitelist */ - IP4_RX_COP_WHITELIST, - IP6_RX_COP_WHITELIST, - DEFAULT_RX_COP_WHITELIST, - - /* Pkts not otherwise dropped go to xxx-input */ - IP4_RX_COP_INPUT, - IP6_RX_COP_INPUT, - DEFAULT_RX_COP_INPUT, - - /* Going, going, gone... */ - RX_COP_DROP, - - COP_RX_N_FEATURES, -} cop_feature_type_t; - -typedef struct { - vnet_config_main_t config_main; - u32 * config_index_by_sw_if_index; -} cop_config_main_t; - -typedef struct { - u32 fib_index; -} cop_config_data_t; - -typedef struct { - cop_config_main_t cop_config_mains[VNET_N_COPS]; - - /* convenience */ - vlib_main_t * vlib_main; - vnet_main_t * vnet_main; -} cop_main_t; - -extern cop_main_t cop_main; - -extern vlib_node_registration_t cop_input_node; - -int cop_interface_enable_disable (u32 sw_if_index, int enable_disable); - -typedef struct { - u32 sw_if_index; - u8 ip4; - u8 ip6; - u8 default_cop; - u32 fib_id; -} cop_whitelist_enable_disable_args_t; - -int cop_whitelist_enable_disable (cop_whitelist_enable_disable_args_t *a); - -#endif /* __vnet_cop_h__ */ diff --git a/src/vnet/cop/cop_api.c b/src/vnet/cop/cop_api.c index 1415bf03312..6ebcebcbf86 100644 --- a/src/vnet/cop/cop_api.c +++ b/src/vnet/cop/cop_api.c @@ -2,7 +2,7 @@ *------------------------------------------------------------------ * cop_api.c - cop api * - * Copyright (c) 2016 Cisco and/or its affiliates. + * 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: @@ -22,7 +22,6 @@ #include <vnet/interface.h> #include <vnet/api_errno.h> -#include <vnet/cop/cop.h> #include <vnet/vnet_msg_enum.h> @@ -46,6 +45,36 @@ _(COP_INTERFACE_ENABLE_DISABLE, cop_interface_enable_disable) \ _(COP_WHITELIST_ENABLE_DISABLE, cop_whitelist_enable_disable) +typedef struct +{ + u32 sw_if_index; + u8 ip4; + u8 ip6; + u8 default_cop; + u32 fib_id; +} cop_whitelist_enable_disable_args_t; + +/* + * This API will be deprecated in vpp 20.12. + * + * Continue to support it for the moment if the "adl" plugin + * is loaded... + */ +static int default_interface_enable_disable_callback + (u32 sw_if_index, int enable_disable) +{ + return VNET_API_ERROR_UNIMPLEMENTED; +} + +static int (*interface_enable_disable_callback) (u32, int) = + default_interface_enable_disable_callback; + +void +register_vl_api_cop_interface_enable_disable_callback (void *cb) +{ + interface_enable_disable_callback = cb; +} + static void vl_api_cop_interface_enable_disable_t_handler (vl_api_cop_interface_enable_disable_t * mp) { @@ -58,13 +87,36 @@ static void vl_api_cop_interface_enable_disable_t_handler enable_disable = (int) mp->enable_disable; - rv = cop_interface_enable_disable (sw_if_index, enable_disable); + rv = (*interface_enable_disable_callback) (sw_if_index, enable_disable); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_COP_INTERFACE_ENABLE_DISABLE_REPLY); } +/* + * This API will be deprecated in vpp 20.12. + * + * Continue to support it for the moment if the "adl" plugin + * is loaded... + */ + +static int default_whitelist_enable_disable_callback + (cop_whitelist_enable_disable_args_t * a) +{ + return VNET_API_ERROR_UNIMPLEMENTED; +} + +static int (*whitelist_enable_disable_callback) + (cop_whitelist_enable_disable_args_t * a) = + default_whitelist_enable_disable_callback; + +void +register_vl_api_cop_whitelist_enable_disable_callback (void *cb) +{ + whitelist_enable_disable_callback = cb; +} + static void vl_api_cop_whitelist_enable_disable_t_handler (vl_api_cop_whitelist_enable_disable_t * mp) { @@ -81,7 +133,7 @@ static void vl_api_cop_whitelist_enable_disable_t_handler a->default_cop = mp->default_cop; a->fib_id = ntohl (mp->fib_id); - rv = cop_whitelist_enable_disable (a); + rv = (*whitelist_enable_disable_callback) (a); BAD_SW_IF_INDEX_LABEL; 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); diff --git a/src/vnet/cop/ip6_whitelist.c b/src/vnet/cop/ip6_whitelist.c deleted file mode 100644 index 3342ed64056..00000000000 --- a/src/vnet/cop/ip6_whitelist.c +++ /dev/null @@ -1,291 +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/ip6_fib.h> -#include <vnet/dpo/load_balance.h> - -typedef struct { - u32 next_index; - u32 sw_if_index; -} ip6_cop_whitelist_trace_t; - -/* packet trace format function */ -static u8 * format_ip6_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 *); - ip6_cop_whitelist_trace_t * t = va_arg (*args, ip6_cop_whitelist_trace_t *); - - s = format (s, "IP6_COP_WHITELIST: sw_if_index %d, next index %d", - t->sw_if_index, t->next_index); - return s; -} - -#define foreach_ip6_cop_whitelist_error \ -_(DROPPED, "ip6 cop whitelist packets dropped") - -typedef enum { -#define _(sym,str) IP6_COP_WHITELIST_ERROR_##sym, - foreach_ip6_cop_whitelist_error -#undef _ - IP6_COP_WHITELIST_N_ERROR, -} ip6_cop_whitelist_error_t; - -static char * ip6_cop_whitelist_error_strings[] = { -#define _(sym,string) string, - foreach_ip6_cop_whitelist_error -#undef _ -}; - -VLIB_NODE_FN (ip6_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; - ip6_header_t * ip0, * ip1; - cop_config_main_t * ccm0, * ccm1; - cop_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 (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_IP6; - - c0 = vnet_get_config_data - (&ccm0->config_main, - &vnet_buffer (b0)->cop.current_config_index, - &next0, - sizeof (c0[0])); - - lb_index0 = ip6_fib_table_fwding_lookup (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[IP6_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_IP6; - - c1 = vnet_get_config_data - (&ccm1->config_main, - &vnet_buffer (b1)->cop.current_config_index, - &next1, - sizeof (c1[0])); - - lb_index1 = ip6_fib_table_fwding_lookup (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[IP6_COP_WHITELIST_ERROR_DROPPED]; - next1 = RX_COP_DROP; - } - - if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - ip6_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))) - { - ip6_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; - ip6_header_t * ip0; - cop_config_main_t *ccm0; - cop_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->cop_config_mains + VNET_COP_IP6; - - c0 = vnet_get_config_data - (&ccm0->config_main, - &vnet_buffer (b0)->cop.current_config_index, - &next0, - sizeof (c0[0])); - - lb_index0 = ip6_fib_table_fwding_lookup (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[IP6_COP_WHITELIST_ERROR_DROPPED]; - next0 = RX_COP_DROP; - } - - if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - ip6_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 (ip6_cop_whitelist_node) = { - .name = "ip6-cop-whitelist", - .vector_size = sizeof (u32), - .format_trace = format_ip6_cop_whitelist_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - - .n_errors = ARRAY_LEN(ip6_cop_whitelist_error_strings), - .error_strings = ip6_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 * -ip6_whitelist_init (vlib_main_t * vm) -{ - return 0; -} - -VLIB_INIT_FUNCTION (ip6_whitelist_init); diff --git a/src/vnet/cop/node1.c b/src/vnet/cop/node1.c deleted file mode 100644 index 172c13d312e..00000000000 --- a/src/vnet/cop/node1.c +++ /dev/null @@ -1,313 +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> - -typedef struct { - u32 next_index; - u32 sw_if_index; -} cop_input_trace_t; - -/* packet trace format function */ -static u8 * format_cop_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 *); - cop_input_trace_t * t = va_arg (*args, cop_input_trace_t *); - - s = format (s, "COP_INPUT: sw_if_index %d, next index %d", - t->sw_if_index, t->next_index); - return s; -} - -#define foreach_cop_input_error \ -_(PROCESSED, "COP input packets processed") - -typedef enum { -#define _(sym,str) COP_INPUT_ERROR_##sym, - foreach_cop_input_error -#undef _ - COP_INPUT_N_ERROR, -} cop_input_error_t; - -static char * cop_input_error_strings[] = { -#define _(sym,string) string, - foreach_cop_input_error -#undef _ -}; - -VLIB_NODE_FN (cop_input_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; - - 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; - ethernet_header_t * en0, * en1; - cop_config_main_t * ccm0, * ccm1; - u32 advance0, advance1; - int proto0, proto1; - - /* 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); - b1 = vlib_get_buffer (vm, bi1); - - en0 = vlib_buffer_get_current (b0); - en1 = vlib_buffer_get_current (b1); - - sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX]; - sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX]; - - proto0 = VNET_COP_DEFAULT; - proto1 = VNET_COP_DEFAULT; - advance0 = 0; - advance1 = 0; - - if (en0->type == clib_host_to_net_u16(ETHERNET_TYPE_IP4)) - { - proto0 = VNET_COP_IP4; - advance0 = sizeof(ethernet_header_t); - } - else if (en0->type == clib_host_to_net_u16(ETHERNET_TYPE_IP6)) - { - proto0 = VNET_COP_IP6; - advance0 = sizeof(ethernet_header_t); - } - - if (en1->type == clib_host_to_net_u16(ETHERNET_TYPE_IP4)) - { - proto1 = VNET_COP_IP4; - advance1 = sizeof(ethernet_header_t); - } - else if (en1->type == clib_host_to_net_u16(ETHERNET_TYPE_IP6)) - { - proto1 = VNET_COP_IP6; - advance1 = sizeof(ethernet_header_t); - } - - ccm0 = cm->cop_config_mains + proto0; - ccm1 = cm->cop_config_mains + proto1; - vnet_buffer(b0)->cop.current_config_index = - ccm0->config_index_by_sw_if_index [sw_if_index0]; - - vnet_buffer(b1)->cop.current_config_index = - ccm1->config_index_by_sw_if_index [sw_if_index1]; - - vlib_buffer_advance (b0, advance0); - vlib_buffer_advance (b1, advance1); - - vnet_get_config_data (&ccm0->config_main, - &vnet_buffer(b0)->cop.current_config_index, - &next0, 0 /* bytes of config data */); - - vnet_get_config_data (&ccm1->config_main, - &vnet_buffer(b1)->cop.current_config_index, - &next1, 0 /* bytes of config data */); - - if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - cop_input_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))) - { - cop_input_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; - ethernet_header_t *en0; - cop_config_main_t *ccm0; - u32 advance0; - int proto0; - - /* 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); - - /* - * Direct from the driver, we should be at offset 0 - * aka at &b0->data[0] - */ - ASSERT (b0->current_data == 0); - - en0 = vlib_buffer_get_current (b0); - - sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX]; - - proto0 = VNET_COP_DEFAULT; - advance0 = 0; - - if (en0->type == clib_host_to_net_u16(ETHERNET_TYPE_IP4)) - { - proto0 = VNET_COP_IP4; - advance0 = sizeof(ethernet_header_t); - } - else if (en0->type == clib_host_to_net_u16(ETHERNET_TYPE_IP6)) - { - proto0 = VNET_COP_IP6; - advance0 = sizeof(ethernet_header_t); - } - - ccm0 = cm->cop_config_mains + proto0; - vnet_buffer(b0)->cop.current_config_index = - ccm0->config_index_by_sw_if_index [sw_if_index0]; - - vlib_buffer_advance (b0, advance0); - - vnet_get_config_data (&ccm0->config_main, - &vnet_buffer(b0)->cop.current_config_index, - &next0, 0 /* bytes of config data */); - - if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - cop_input_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, cop_input_node.index, - COP_INPUT_ERROR_PROCESSED, frame->n_vectors); - return frame->n_vectors; -} - -VLIB_REGISTER_NODE (cop_input_node) = { - .name = "cop-input", - .vector_size = sizeof (u32), - .format_trace = format_cop_input_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - - .n_errors = ARRAY_LEN(cop_input_error_strings), - .error_strings = cop_input_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", - }, -}; - -#define foreach_cop_stub \ -_(default-cop-whitelist, default_cop_whitelist) - -#define _(n,f) \ - \ -static uword \ -f##_node_fn (vlib_main_t * vm, \ - vlib_node_runtime_t * node, \ - vlib_frame_t * frame) \ -{ \ - clib_warning ("BUG: stub function called"); \ - return 0; \ -} \ - \ -VLIB_REGISTER_NODE (f##_input_node) = { \ - .function = f##_node_fn, \ - .name = #n, \ - .vector_size = sizeof (u32), \ - .type = VLIB_NODE_TYPE_INTERNAL, \ - \ - .n_errors = 0, \ - .error_strings = 0, \ - \ - .n_next_nodes = 0, \ -}; - -foreach_cop_stub; - - - - - - |