diff options
Diffstat (limited to 'src/plugins/l2e')
| -rw-r--r-- | src/plugins/l2e/CMakeLists.txt | 28 | ||||
| -rw-r--r-- | src/plugins/l2e/l2e.api | 39 | ||||
| -rw-r--r-- | src/plugins/l2e/l2e.c | 198 | ||||
| -rw-r--r-- | src/plugins/l2e/l2e.h | 84 | ||||
| -rw-r--r-- | src/plugins/l2e/l2e_api.c | 89 | ||||
| -rw-r--r-- | src/plugins/l2e/l2e_node.c | 283 |
6 files changed, 0 insertions, 721 deletions
diff --git a/src/plugins/l2e/CMakeLists.txt b/src/plugins/l2e/CMakeLists.txt deleted file mode 100644 index 2bfb05a43e6..00000000000 --- a/src/plugins/l2e/CMakeLists.txt +++ /dev/null @@ -1,28 +0,0 @@ -# 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. - -add_vpp_plugin(l2e - SOURCES - l2e_node.c - l2e_api.c - l2e.c - - MULTIARCH_SOURCES - l2e_node.c - - API_FILES - l2e.api - - INSTALL_HEADERS - l2e.h -) diff --git a/src/plugins/l2e/l2e.api b/src/plugins/l2e/l2e.api deleted file mode 100644 index 586e2bae5ca..00000000000 --- a/src/plugins/l2e/l2e.api +++ /dev/null @@ -1,39 +0,0 @@ -/* Hey Emacs use -*- mode: C -*- */ -/* - * 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. - */ - -option version = "1.0.0"; -import "vnet/interface_types.api"; - -/** \brief L2 emulation at L3 - @param client_index - opaque cookie to identify the sender - @param context - sender context, to match reply w/ request - @param sw_if_index - interface the operation is applied to - @param enable - Turn the service on or off -*/ -autoreply define l2_emulation -{ - option status="in_progress"; - u32 client_index; - u32 context; - vl_api_interface_index_t sw_if_index; - bool enable; -}; - -/* - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/plugins/l2e/l2e.c b/src/plugins/l2e/l2e.c deleted file mode 100644 index 4c6eac50446..00000000000 --- a/src/plugins/l2e/l2e.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * l2e.c : Extract L3 packets from the L2 input and feed - * them into the L3 path. - * - * Copyright (c) 2013 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/l2e/l2e.h> -#include <vnet/l2/l2_input.h> -#include <vnet/l2/feat_bitmap.h> -#include <vnet/ip/ip.h> - -l2_emulation_main_t l2_emulation_main; - -/** - * A zero'd out struct we can use in the vec_validate - */ -static const l2_emulation_t ezero = { }; - -__clib_export void -l2_emulation_enable (u32 sw_if_index) -{ - l2_emulation_main_t *em = &l2_emulation_main; - vec_validate_init_empty (em->l2_emulations, sw_if_index, ezero); - - l2_emulation_t *l23e = &em->l2_emulations[sw_if_index]; - - l23e->enabled = 1; - - /* - * L3 enable the interface - using IP unnumbered from the control - * plane may not be possible since there may be no BVI interface - * to which to unnumber - */ - ip4_sw_interface_enable_disable (sw_if_index, 1); - ip6_sw_interface_enable_disable (sw_if_index, 1); - - l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_L2_EMULATION, 1); -} - - -__clib_export void -l2_emulation_disable (u32 sw_if_index) -{ - l2_emulation_main_t *em = &l2_emulation_main; - if (vec_len (em->l2_emulations) >= sw_if_index) - { - l2_emulation_t *l23e = &em->l2_emulations[sw_if_index]; - clib_memset (l23e, 0, sizeof (*l23e)); - - l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_L2_EMULATION, 0); - ip4_sw_interface_enable_disable (sw_if_index, 0); - ip6_sw_interface_enable_disable (sw_if_index, 0); - } -} - -static clib_error_t * -l2_emulation_interface_add_del (vnet_main_t * vnm, - u32 sw_if_index, u32 is_add) -{ - l2_emulation_main_t *em = &l2_emulation_main; - if (is_add) - { - vec_validate_init_empty (em->l2_emulations, sw_if_index, ezero); - } - - return (NULL); -} - -VNET_SW_INTERFACE_ADD_DEL_FUNCTION (l2_emulation_interface_add_del); - -static clib_error_t * -l2_emulation_cli (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - vnet_main_t *vnm = vnet_get_main (); - u32 sw_if_index = ~0; - u8 enable = 1; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "%U", unformat_vnet_sw_interface, - vnm, &sw_if_index)) - ; - else if (unformat (input, "enable")) - enable = 1; - else if (unformat (input, "disable")) - enable = 0; - else - break; - } - - if (~0 == sw_if_index) - return clib_error_return (0, "interface must be specified"); - - if (enable) - l2_emulation_enable (sw_if_index); - else - l2_emulation_disable (sw_if_index); - - return (NULL); -} - -/*? - * Configure l2 emulation. - * When the interface is in L2 mode, configure the extraction of L3 - * packets out of the L2 path and into the L3 path. - * - * @cliexpar - * @cliexstart{set interface l2 input l2-emulation <interface-name> [disable]} - * @cliexend - ?*/ -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (l2_emulation_cli_node, static) = { - .path = "set interface l2 l2-emulation", - .short_help = - "set interface l2 l2-emulation <interface-name> [disable|enable]\n", - .function = l2_emulation_cli, -}; -/* *INDENT-ON* */ - -static clib_error_t * -l2_emulation_show (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - l2_emulation_main_t *em = &l2_emulation_main; - vnet_main_t *vnm = vnet_get_main (); - l2_emulation_t *l23e; - u32 sw_if_index; - - vec_foreach_index (sw_if_index, em->l2_emulations) - { - l23e = &em->l2_emulations[sw_if_index]; - if (l23e->enabled) - { - vlib_cli_output (vm, "%U\n", - format_vnet_sw_if_index_name, vnm, sw_if_index); - } - } - return (NULL); -} - -/*? - * Show l2 emulation. - * When the interface is in L2 mode, configure the extraction of L3 - * packets out of the L2 path and into the L3 path. - * - * @cliexpar - * @cliexstart{show interface l2 l2-emulation} - * @cliexend - ?*/ -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (l2_emulation_show_node, static) = { - .path = "show interface l2 l2-emulation", - .short_help = "show interface l2 l2-emulation\n", - .function = l2_emulation_show, -}; -/* *INDENT-ON* */ - -static clib_error_t * -l2_emulation_init (vlib_main_t * vm) -{ - l2_emulation_main_t *em = &l2_emulation_main; - vlib_node_t *node; - - node = vlib_get_node_by_name (vm, (u8 *) "l2-emulation"); - em->l2_emulation_node_index = node->index; - - /* Initialize the feature next-node indexes */ - feat_bitmap_init_next_nodes (vm, - em->l2_emulation_node_index, - L2INPUT_N_FEAT, - l2input_get_feat_names (), - em->l2_input_feat_next); - - return 0; -} - -VLIB_INIT_FUNCTION (l2_emulation_init); - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/plugins/l2e/l2e.h b/src/plugins/l2e/l2e.h deleted file mode 100644 index e548d333f9d..00000000000 --- a/src/plugins/l2e/l2e.h +++ /dev/null @@ -1,84 +0,0 @@ -/* - * Copyright (c) 2013 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 included_vnet_l2_emulation_h -#define included_vnet_l2_emulation_h - -#include <vlib/vlib.h> -#include <vnet/vnet.h> - -/** - * Per-interface L2 configuration - */ -typedef struct l2_emulation_t_ -{ - /** - * Enabled or Disabled. - * this is required since one L3 protocl can be enabled, but others not - */ - u8 enabled; -} l2_emulation_t; - -/** - * per-packet trace data - */ -typedef struct l2_emulation_trace_t_ -{ - /* per-pkt trace data */ - u8 extracted; -} l2_emulation_trace_t; - -/** - * Grouping of global data for the L2 emulation feature - */ -typedef struct l2_emulation_main_t_ -{ - u16 msg_id_base; - - u32 l2_emulation_node_index; - - /** - * Per-interface vector of emulation configs - */ - l2_emulation_t *l2_emulations; - - /** - * Next nodes for L2 output features - */ - u32 l2_input_feat_next[32]; -} l2_emulation_main_t; - -/** - * L2 Emulation is a feautre that is applied to L2 ports to 'extract' - * IP packets from the L2 path and inject them into the L3 path (i.e. - * into the appropriate ip[4|6]_input node). - * L3 routes in the table_id for that interface should then be configured - * as DVR routes, therefore the forwarded packet has the L2 header - * preserved and togehter the L3 routed system behaves like an L2 bridge. - */ -extern void l2_emulation_enable (u32 sw_if_index); -extern void l2_emulation_disable (u32 sw_if_index); - -extern l2_emulation_main_t l2_emulation_main; - -#endif - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/plugins/l2e/l2e_api.c b/src/plugins/l2e/l2e_api.c deleted file mode 100644 index fe2fb7ee06e..00000000000 --- a/src/plugins/l2e/l2e_api.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - *------------------------------------------------------------------ - * l2e_api.c - layer 2 emulation api - * - * 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/vnet.h> -#include <vnet/plugin/plugin.h> - -#include <vnet/interface.h> -#include <vnet/api_errno.h> -#include <vpp/app/version.h> - -#include <l2e/l2e.h> - -#include <vlibapi/api.h> -#include <vlibmemory/api.h> - -/* define message IDs */ -#include <l2e/l2e.api_enum.h> -#include <l2e/l2e.api_types.h> - -#include <vlibapi/api_helper_macros.h> - -#define L2E_MSG_BASE l2em->msg_id_base - -static void -vl_api_l2_emulation_t_handler (vl_api_l2_emulation_t * mp) -{ - l2_emulation_main_t *l2em = &l2_emulation_main; - vl_api_l2_emulation_reply_t *rmp; - int rv = 0; - - VALIDATE_SW_IF_INDEX (mp); - - u32 sw_if_index = ntohl (mp->sw_if_index); - - if (mp->enable) - l2_emulation_enable (sw_if_index); - else - l2_emulation_disable (sw_if_index); - - BAD_SW_IF_INDEX_LABEL; - - REPLY_MACRO (VL_API_L2_EMULATION_REPLY + L2E_MSG_BASE); -} - -#include <l2e/l2e.api.c> -static clib_error_t * -l2e_init (vlib_main_t * vm) -{ - l2_emulation_main_t *l2em = &l2_emulation_main; - - /* Ask for a correctly-sized block of API message decode slots */ - l2em->msg_id_base = setup_message_id_table (); - - return (NULL); -} - -VLIB_API_INIT_FUNCTION (l2e_init); - -/* *INDENT-OFF* */ -VLIB_PLUGIN_REGISTER () = { - .version = VPP_BUILD_VER, - .description = "Layer 2 (L2) Emulation", -}; -/* *INDENT-ON* */ - - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/plugins/l2e/l2e_node.c b/src/plugins/l2e/l2e_node.c deleted file mode 100644 index 71c9b4bc6af..00000000000 --- a/src/plugins/l2e/l2e_node.c +++ /dev/null @@ -1,283 +0,0 @@ -/* - * l2e_node.c : l2 emulation node - * - * Copyright (c) 2019 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/l2e/l2e.h> -#include <vnet/l2/l2_input.h> -#include <vnet/l2/feat_bitmap.h> - -#define foreach_l2_emulation \ - _(IP4, "Extract IPv4") \ - _(IP6, "Extract IPv6") - -typedef enum -{ -#define _(sym,str) L2_EMULATION_ERROR_##sym, - foreach_l2_emulation -#undef _ - L2_EMULATION_N_ERROR, -} l2_emulation_error_t; - -static char *l2_emulation_error_strings[] = { -#define _(sym,string) string, - foreach_l2_emulation -#undef _ -}; - -typedef enum -{ -#define _(sym,str) L2_EMULATION_NEXT_##sym, - foreach_l2_emulation -#undef _ - L2_EMULATION_N_NEXT, -} l2_emulation_next_t; - -/* packet trace format function */ -static u8 * -format_l2_emulation_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 *); - l2_emulation_trace_t *t = va_arg (*args, l2_emulation_trace_t *); - - s = format (s, "l2-emulation: %s", (t->extracted ? "yes" : "no")); - - return s; -} - -VLIB_NODE_FN (l2_emulation_node) (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame) -{ - l2_emulation_main_t *em = &l2_emulation_main; - u32 n_left_from, *from, *to_next; - l2_emulation_next_t next_index; - u32 ip4_hits = 0; - u32 ip6_hits = 0; - - next_index = 0; - n_left_from = frame->n_vectors; - from = vlib_frame_vector_args (frame); - - 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) - { - vlib_buffer_t *b0, *b1; - u32 sw_if_index0, sw_if_index1; - u16 ether_type0, ether_type1; - u32 next0 = ~0, next1 = ~0; - u8 l2_len0, l2_len1; - u32 bi0, bi1; - u8 *h0, *h1; - - bi0 = to_next[0] = from[0]; - bi1 = to_next[1] = from[1]; - - from += 2; - n_left_from -= 2; - to_next += 2; - n_left_to_next -= 2; - - b0 = vlib_get_buffer (vm, bi0); - b1 = vlib_get_buffer (vm, bi1); - l2_len0 = vnet_buffer (b0)->l2.l2_len; - l2_len1 = vnet_buffer (b1)->l2.l2_len; - - h0 = vlib_buffer_get_current (b0); - h1 = vlib_buffer_get_current (b1); - - ether_type0 = clib_net_to_host_u16 (*(u16 *) (h0 + l2_len0 - 2)); - ether_type1 = clib_net_to_host_u16 (*(u16 *) (h1 + l2_len1 - 2)); - sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; - sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX]; - - /* - * only extract unicast - */ - if (PREDICT_TRUE (!(h0[0] & 0x1))) - { - switch (ether_type0) - { - case ETHERNET_TYPE_IP4: - ASSERT (em->l2_emulations[sw_if_index0].enabled); - ++ip4_hits; - next0 = L2_EMULATION_NEXT_IP4; - vlib_buffer_advance (b0, l2_len0); - break; - case ETHERNET_TYPE_IP6: - ASSERT (em->l2_emulations[sw_if_index0].enabled); - ++ip6_hits; - next0 = L2_EMULATION_NEXT_IP6; - vlib_buffer_advance (b0, l2_len0); - default: - break; - } - } - if (PREDICT_TRUE (!(h1[0] & 0x1))) - { - switch (ether_type1) - { - case ETHERNET_TYPE_IP4: - ASSERT (em->l2_emulations[sw_if_index1].enabled); - ++ip4_hits; - next1 = L2_EMULATION_NEXT_IP4; - vlib_buffer_advance (b1, l2_len1); - break; - case ETHERNET_TYPE_IP6: - ASSERT (em->l2_emulations[sw_if_index1].enabled); - ++ip6_hits; - next1 = L2_EMULATION_NEXT_IP6; - vlib_buffer_advance (b1, l2_len1); - default: - break; - } - } - if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - l2_emulation_trace_t *t = - vlib_add_trace (vm, node, b0, sizeof (*t)); - t->extracted = (next0 != ~0); - } - if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) - && (b1->flags & VLIB_BUFFER_IS_TRACED))) - { - l2_emulation_trace_t *t = - vlib_add_trace (vm, node, b1, sizeof (*t)); - t->extracted = (next1 != ~0); - } - - /* Determine the next node and remove ourself from bitmap */ - if (PREDICT_TRUE (next0 == ~0)) - next0 = vnet_l2_feature_next (b0, em->l2_input_feat_next, - L2INPUT_FEAT_L2_EMULATION); - - /* Determine the next node and remove ourself from bitmap */ - if (PREDICT_TRUE (next1 == ~0)) - next1 = vnet_l2_feature_next (b1, em->l2_input_feat_next, - L2INPUT_FEAT_L2_EMULATION); - - 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) - { - vlib_buffer_t *b0; - u32 sw_if_index0; - u16 ether_type0; - u32 next0 = ~0; - u8 l2_len0; - u32 bi0; - u8 *h0; - - 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); - l2_len0 = vnet_buffer (b0)->l2.l2_len; - - h0 = vlib_buffer_get_current (b0); - ether_type0 = clib_net_to_host_u16 (*(u16 *) (h0 + l2_len0 - 2)); - sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; - - /* - * only extract unicast - */ - if (PREDICT_TRUE (!(h0[0] & 0x1))) - { - switch (ether_type0) - { - case ETHERNET_TYPE_IP4: - ASSERT (em->l2_emulations[sw_if_index0].enabled); - ++ip4_hits; - next0 = L2_EMULATION_NEXT_IP4; - vlib_buffer_advance (b0, l2_len0); - break; - case ETHERNET_TYPE_IP6: - ASSERT (em->l2_emulations[sw_if_index0].enabled); - ++ip6_hits; - next0 = L2_EMULATION_NEXT_IP6; - vlib_buffer_advance (b0, l2_len0); - default: - break; - } - } - - if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - l2_emulation_trace_t *t = - vlib_add_trace (vm, node, b0, sizeof (*t)); - t->extracted = (next0 != ~0); - } - - /* Determine the next node and remove ourself from bitmap */ - if (PREDICT_TRUE (next0 == ~0)) - next0 = vnet_l2_feature_next (b0, em->l2_input_feat_next, - L2INPUT_FEAT_L2_EMULATION); - - /* 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, - L2_EMULATION_ERROR_IP4, ip4_hits); - vlib_node_increment_counter (vm, node->node_index, - L2_EMULATION_ERROR_IP6, ip6_hits); - - return frame->n_vectors; -} - -/* *INDENT-OFF* */ -VLIB_REGISTER_NODE (l2_emulation_node) = { - .name = "l2-emulation", - .vector_size = sizeof (u32), - .format_trace = format_l2_emulation_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - - .n_errors = ARRAY_LEN(l2_emulation_error_strings), - .error_strings = l2_emulation_error_strings, - - .n_next_nodes = L2_EMULATION_N_NEXT, - - /* edit / add dispositions here */ - .next_nodes = { - [L2_EMULATION_NEXT_IP4] = "ip4-input", - [L2_EMULATION_NEXT_IP6] = "ip6-input", - }, -}; -/* *INDENT-ON* */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |