diff options
Diffstat (limited to 'nsh-plugin/nsh-md2-ioam/export-nsh-md2-ioam')
3 files changed, 385 insertions, 0 deletions
diff --git a/nsh-plugin/nsh-md2-ioam/export-nsh-md2-ioam/nsh_md2_ioam_export.c b/nsh-plugin/nsh-md2-ioam/export-nsh-md2-ioam/nsh_md2_ioam_export.c new file mode 100644 index 0000000..4860846 --- /dev/null +++ b/nsh-plugin/nsh-md2-ioam/export-nsh-md2-ioam/nsh_md2_ioam_export.c @@ -0,0 +1,180 @@ +/* + * 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. + */ +/* + *------------------------------------------------------------------ + * nsh_md2_ioam_export.c - ioam export API / debug CLI handling + *------------------------------------------------------------------ + */ + +#include <vnet/vnet.h> +#include <vnet/plugin/plugin.h> +#include <ioam/export-common/ioam_export.h> + +#include <vlibapi/api.h> +#include <vlibmemory/api.h> +#include <vlibsocket/api.h> + +#include <nsh/nsh.h> +#include <nsh-md2-ioam/nsh_md2_ioam.h> + + +ioam_export_main_t nsh_md2_ioam_export_main; + + +extern vlib_node_registration_t nsh_md2_ioam_export_node; +extern void nsh_md2_set_next_ioam_export_override (uword next); +/* Action function shared between message handler and debug CLI */ +int +nsh_md2_ioam_export_enable_disable (ioam_export_main_t * em, + u8 is_disable, + ip4_address_t * collector_address, + ip4_address_t * src_address) +{ + vlib_main_t *vm = em->vlib_main; + u32 node_index = nsh_md2_ioam_export_node.index; + vlib_node_t *nsh_input_node = NULL; + + if (is_disable == 0) + { + if (em->my_hbh_slot == ~0) + { + /* Hook this export node to nsh-input */ + nsh_input_node = + vlib_get_node_by_name (vm, (u8 *) "nsh-input"); + if (!nsh_input_node) + { + /* node does not exist give up */ + return (-1); + } + em->my_hbh_slot = + vlib_node_add_next (vm, nsh_input_node->index, + node_index); + } + if (1 == ioam_export_header_create (em, collector_address, src_address)) + { + ioam_export_thread_buffer_init (em, vm); + nsh_md2_set_next_ioam_export_override (em->my_hbh_slot); + /* Turn on the export buffer check process */ + vlib_process_signal_event (vm, em->export_process_node_index, 1, 0); + + } + else + { + return (-2); + } + } + else + { + nsh_md2_set_next_ioam_export_override (0); // VXLAN_GPE_DECAP_IOAM_V4_NEXT_POP + ioam_export_header_cleanup (em, collector_address, src_address); + ioam_export_thread_buffer_free (em); + /* Turn off the export buffer check process */ + vlib_process_signal_event (vm, em->export_process_node_index, 2, 0); + + } + + return 0; +} + + + +static clib_error_t * +set_nsh_md2_ioam_export_ipfix_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + ioam_export_main_t *em = &nsh_md2_ioam_export_main; + ip4_address_t collector, src; + u8 is_disable = 0; + + collector.as_u32 = 0; + src.as_u32 = 0; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "collector %U", unformat_ip4_address, &collector)) + ; + else if (unformat (input, "src %U", unformat_ip4_address, &src)) + ; + else if (unformat (input, "disable")) + is_disable = 1; + else + break; + } + + if (collector.as_u32 == 0) + return clib_error_return (0, "collector address required"); + + if (src.as_u32 == 0) + return clib_error_return (0, "src address required"); + + em->ipfix_collector.as_u32 = collector.as_u32; + em->src_address.as_u32 = src.as_u32; + + vlib_cli_output (vm, "Collector %U, src address %U", + format_ip4_address, &em->ipfix_collector, + format_ip4_address, &em->src_address); + + /* Turn on the export timer process */ + // vlib_process_signal_event (vm, flow_report_process_node.index, + //1, 0); + if (0 != + nsh_md2_ioam_export_enable_disable (em, is_disable, &collector, &src)) + { + return clib_error_return (0, "Unable to set ioam nsh-md2 export"); + } + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (set_nsh_md2_ioam_ipfix_command, static) = +{ +.path = "set nsh-md2-ioam export ipfix", +.short_help = "set nsh-md2-ioam export ipfix collector <ip4-address> src <ip4-address>", +.function = set_nsh_md2_ioam_export_ipfix_command_fn, +}; +/* *INDENT-ON* */ + + +#define IPFIX_NSH_MD2_IOAM_EXPORT_ID 274 // TODO: Move this to ioam/ioam_export.h +static clib_error_t * +nsh_md2_ioam_export_init (vlib_main_t * vm) +{ + ioam_export_main_t *em = &nsh_md2_ioam_export_main; + clib_error_t *error = 0; + + em->set_id = IPFIX_NSH_MD2_IOAM_EXPORT_ID; + em->unix_time_0 = (u32) time (0); /* Store starting time */ + em->vlib_time_0 = vlib_time_now (vm); + + em->my_hbh_slot = ~0; + em->vlib_main = vm; + em->vnet_main = vnet_get_main (); + ioam_export_reset_next_node (em); + + return error; +} + +VLIB_INIT_FUNCTION (nsh_md2_ioam_export_init); + + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/nsh-plugin/nsh-md2-ioam/export-nsh-md2-ioam/nsh_md2_ioam_export_thread.c b/nsh-plugin/nsh-md2-ioam/export-nsh-md2-ioam/nsh_md2_ioam_export_thread.c new file mode 100644 index 0000000..cf6b2e2 --- /dev/null +++ b/nsh-plugin/nsh-md2-ioam/export-nsh-md2-ioam/nsh_md2_ioam_export_thread.c @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2017 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. + */ +/* + * nsh_md2_ioam_export_thread.c + */ +#include <vnet/api_errno.h> +#include <vppinfra/pool.h> +#include <ioam/export-common/ioam_export.h> + +static vlib_node_registration_t nsh_md2_ioam_export_process_node; +extern ioam_export_main_t nsh_md2_ioam_export_main; + +static uword +nsh_md2_ioam_export_process (vlib_main_t * vm, + vlib_node_runtime_t * rt, vlib_frame_t * f) +{ + return (ioam_export_process_common (&nsh_md2_ioam_export_main, + vm, rt, f, + nsh_md2_ioam_export_process_node.index)); +} + + +/* *INDENT-OFF* */ +VLIB_REGISTER_NODE (nsh_md2_ioam_export_process_node, static) = +{ + .function = nsh_md2_ioam_export_process, + .type = VLIB_NODE_TYPE_PROCESS, + .name = "nsh-md2-ioam-export-process", +}; +/* *INDENT-ON* */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/nsh-plugin/nsh-md2-ioam/export-nsh-md2-ioam/nsh_md2_ioam_node.c b/nsh-plugin/nsh-md2-ioam/export-nsh-md2-ioam/nsh_md2_ioam_node.c new file mode 100644 index 0000000..fb76c60 --- /dev/null +++ b/nsh-plugin/nsh-md2-ioam/export-nsh-md2-ioam/nsh_md2_ioam_node.c @@ -0,0 +1,155 @@ +/* + * Copyright (c) 2017 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 <vnet/pg/pg.h> +#include <vppinfra/error.h> +#include <vnet/ip/ip.h> +#include <nsh/nsh.h> +#include <nsh/nsh_packet.h> +#include <ioam/export-common/ioam_export.h> + +typedef struct +{ + u32 next_index; + u32 flow_label; +} export_trace_t; + +extern ioam_export_main_t nsh_md2_ioam_export_main; +vlib_node_registration_t export_node; +/* packet trace format function */ +static u8 * +format_export_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 *); + export_trace_t *t = va_arg (*args, export_trace_t *); + + s = format (s, "EXPORT: flow_label %d, next index %d", + t->flow_label, t->next_index); + return s; +} + +vlib_node_registration_t nsh_md2_ioam_export_node; + +#define foreach_export_error \ +_(RECORDED, "Packets recorded for export") + +typedef enum +{ +#define _(sym,str) EXPORT_ERROR_##sym, + foreach_export_error +#undef _ + EXPORT_N_ERROR, +} export_error_t; + +static char *export_error_strings[] = { +#define _(sym,string) string, + foreach_export_error +#undef _ +}; + +typedef enum +{ + EXPORT_NEXT_NSH_MD2_IOAM_INPUT, + EXPORT_N_NEXT, +} export_next_t; + +always_inline void +copy3cachelines (void *dst, const void *src, size_t n) +{ + + u64 *copy_dst, *copy_src; + int i; + copy_dst = (u64 *) dst; + copy_src = (u64 *) src; + if (PREDICT_FALSE (n < DEFAULT_EXPORT_SIZE)) + { + for (i = 0; i < n / 64; i++) + { + copy_dst[0] = copy_src[0]; + copy_dst[1] = copy_src[1]; + copy_dst[2] = copy_src[2]; + copy_dst[3] = copy_src[3]; + copy_dst[4] = copy_src[4]; + copy_dst[5] = copy_src[5]; + copy_dst[6] = copy_src[6]; + copy_dst[7] = copy_src[7]; + copy_dst += 8; + copy_src += 8; + } + return; + } + for (i = 0; i < 3; i++) + { + copy_dst[0] = copy_src[0]; + copy_dst[1] = copy_src[1]; + copy_dst[2] = copy_src[2]; + copy_dst[3] = copy_src[3]; + copy_dst[4] = copy_src[4]; + copy_dst[5] = copy_src[5]; + copy_dst[6] = copy_src[6]; + copy_dst[7] = copy_src[7]; + copy_dst += 8; + copy_src += 8; + } +} + +static void +nsh_md2_ioam_export_fixup_func (vlib_buffer_t * export_buf, + vlib_buffer_t * pak_buf) +{ + /* Todo: on implementing analyse */ +} + +static uword +nsh_md2_ioam_export_node_fn (vlib_main_t * vm, + vlib_node_runtime_t * node, vlib_frame_t * frame) +{ + ioam_export_main_t *em = &nsh_md2_ioam_export_main; + ioam_export_node_common (em, vm, node, frame, ip4_header_t, length, + ip_version_and_header_length, + EXPORT_NEXT_NSH_MD2_IOAM_INPUT, + nsh_md2_ioam_export_fixup_func); + return frame->n_vectors; +} + +/* + * Node for iOAM export + */ +/* *INDENT-OFF* */ +VLIB_REGISTER_NODE (nsh_md2_ioam_export_node) = +{ + .function = nsh_md2_ioam_export_node_fn, + .name = "nsh-md2-ioam-export", + .vector_size = sizeof (u32), + .format_trace = format_export_trace, + .type = VLIB_NODE_TYPE_INTERNAL, + .n_errors = ARRAY_LEN (export_error_strings), + .error_strings = export_error_strings, + .n_next_nodes = EXPORT_N_NEXT, + /* edit / add dispositions here */ + .next_nodes = + {[EXPORT_NEXT_NSH_MD2_IOAM_INPUT] = "nsh-pop"}, +}; +/* *INDENT-ON* */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |