vppplugins_LTLIBRARIES = ioam_pot_plugin.la
########################################
-# iOAM trace export
+# iOAM trace export for IPv6
########################################
ioam_export_plugin_la_SOURCES = \
########################################
# iOAM Trace
########################################
-ioam_trace_plugin_la_SOURCES = \
- ioam/lib-trace/trace_util.c \
+libioam_trace_plugin_la_SOURCES = \
+ ioam/lib-trace/trace_util.c \
ioam/encap/ip6_ioam_trace.c \
- ioam/lib-trace/trace_util.h \
+ ioam/lib-trace/trace_util.h \
ioam/lib-trace/trace_api.c
BUILT_SOURCES += \
noinst_HEADERS += \
ioam/export/ioam_export_all_api_h.h \
- ioam/lib-trace/trace_all_api_h.h \
- ioam/lib-trace/trace_msg_enum.h \
- ioam/lib-trace/trace.api.h \
+ ioam/lib-trace/trace_all_api_h.h \
+ ioam/lib-trace/trace_msg_enum.h \
+ ioam/lib-trace/trace.api.h \
ioam/lib-trace/trace_util.h
ioam_trace_test_plugin_la_SOURCES = \
- ioam/lib-trace/trace_test.c \
+ ioam/lib-trace/trace_test.c \
ioam/lib-trace/trace_plugin.api.h
vppapitestplugins_LTLIBRARIES += ioam_trace_test_plugin.la
-vppplugins_LTLIBRARIES += ioam_trace_plugin.la
+vppplugins_LTLIBRARIES += libioam_trace_plugin.la
+
+########################################
+# VxLAN-GPE
+########################################
+libioam_vxlan_gpe_plugin_la_SOURCES = \
+ ioam/lib-vxlan-gpe/ioam_encap.c \
+ ioam/lib-vxlan-gpe/ioam_decap.c \
+ ioam/lib-vxlan-gpe/ioam_pop.c \
+ ioam/lib-vxlan-gpe/vxlan_gpe_api.c \
+ ioam/lib-vxlan-gpe/vxlan_gpe_ioam_trace.c \
+ ioam/lib-vxlan-gpe/vxlan_gpe_ioam.c
+
+BUILT_SOURCES += \
+ ioam/lib-vxlan-gpe/vxlan_gpe.api.h \
+ ioam/lib-vxlan-gpe/vxlan_gpe.api.json
+
+noinst_HEADERS += \
+ ioam/export/ioam_export_all_api_h.h \
+ ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h \
+ ioam/lib-vxlan-gpe/vxlan_gpe_msg_enum.h \
+ ioam/lib-vxlan-gpe/vxlan_gpe.api.h \
+ ioam/lib-vxlan-gpe/vxlan_gpe_ioam_util.h \
+ ioam/lib-vxlan-gpe/vxlan_gpe_ioam_packet.h \
+ ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h
+
+ioam_vxlan_gpe_test_plugin_la_SOURCES = \
+ ioam/lib-vxlan-gpe/vxlan_gpe_test.c \
+ ioam/lib-vxlan-gpe/vxlan_gpe_plugin.api.h
+
+libioam_vxlan_gpe_plugin_la_LIBADD = libioam_trace_plugin.la
+
+vppapitestplugins_LTLIBRARIES += ioam_vxlan_gpe_test_plugin.la
+vppplugins_LTLIBRARIES += libioam_vxlan_gpe_plugin.la
+
+########################################
+# iOAM export for VxLAN-GPE
+########################################
+
+libvxlan_gpe_ioam_export_plugin_la_SOURCES = \
+ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.c \
+ioam/export-vxlan-gpe/vxlan_gpe_node.c \
+ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.h \
+ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_thread.c
+
+BUILT_SOURCES += \
+ ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.h \
+ ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.json
+
+noinst_HEADERS += \
+ ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h \
+ ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h \
+ ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.h
+
+vxlan_gpe_ioam_export_test_plugin_la_SOURCES = \
+ ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_test.c \
+ ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_plugin.api.h
+
+libvxlan_gpe_ioam_export_plugin_la_LIBADD = libioam_vxlan_gpe_plugin.la
+
+vppapitestplugins_LTLIBRARIES += vxlan_gpe_ioam_export_test_plugin.la
+vppplugins_LTLIBRARIES += libvxlan_gpe_ioam_export_plugin.la
########################################
# iOAM E2E plugin
u32 as_u32[2];
} time_u64_t;
+/* *INDENT-OFF* */
+typedef CLIB_PACKED(struct {
+ ip6_hop_by_hop_option_t hdr;
+ u8 ioam_trace_type;
+ u8 data_list_elts_left;
+ u32 elts[0]; /* Variable type. So keep it generic */
+}) ioam_trace_option_t;
+/* *INDENT-ON* */
+
extern ip6_hop_by_hop_ioam_main_t ip6_hop_by_hop_ioam_main;
extern ip6_main_t ip6_main;
int
-ioam_trace_get_sizeof_handler (u32 * result)
+ip6_ioam_trace_get_sizeof_handler (u32 * result)
{
u16 size = 0;
u8 trace_data_size = 0;
int elt_index = 0;
trace = (ioam_trace_option_t *) opt;
-#if 0
- s =
- format (s, " Trace Type 0x%x , %d elts left ts msb(s) 0x%x\n",
- trace->ioam_trace_type, trace->data_list_elts_left,
- t->timestamp_msbs);
-#endif
s =
format (s, " Trace Type 0x%x , %d elts left\n", trace->ioam_trace_type,
trace->data_list_elts_left);
return (0);
}
+int
+ip6_trace_profile_cleanup (void)
+{
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
+
+ hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] = 0;
+
+ return 0;
+
+}
+
+
+int
+ip6_trace_profile_setup (void)
+{
+ u32 trace_size = 0;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
+
+ trace_profile *profile = NULL;
+
+
+ profile = trace_profile_find ();
+
+ if (PREDICT_FALSE (!profile))
+ {
+ ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1);
+ return (-1);
+ }
+
+
+ if (ip6_ioam_trace_get_sizeof_handler (&trace_size) < 0)
+ return (-1);
+
+ hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] = trace_size;
+
+ return (0);
+}
+
+
VLIB_INIT_FUNCTION (ip6_hop_by_hop_ioam_trace_init);
/*
--- /dev/null
+/*
+ * 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 __included_ioam_export_h__
+#define __included_ioam_export_h__
+
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ip/ip_packet.h>
+#include <vnet/ip/ip4_packet.h>
+#include <vnet/ip/ip6_packet.h>
+#include <vnet/ip/udp.h>
+#include <vnet/flow/ipfix_packet.h>
+
+#include <vppinfra/pool.h>
+#include <vppinfra/hash.h>
+#include <vppinfra/error.h>
+#include <vppinfra/elog.h>
+
+#include <vlib/threads.h>
+
+typedef struct ioam_export_buffer
+{
+ /* Allocated buffer */
+ u32 buffer_index;
+ u64 touched_at;
+ u8 records_in_this_buffer;
+} ioam_export_buffer_t;
+
+
+typedef struct
+{
+ /* API message ID base */
+ u16 msg_id_base;
+
+ /* TODO: to support multiple collectors all this has to be grouped and create a vector here */
+ u8 *record_header;
+ u32 sequence_number;
+ u32 domain_id;
+
+ /* ipfix collector, our ip address */
+ ip4_address_t ipfix_collector;
+ ip4_address_t src_address;
+
+ /* Pool of ioam_export_buffer_t */
+ ioam_export_buffer_t *buffer_pool;
+ /* Vector of per thread ioam_export_buffer_t to buffer pool index */
+ u32 *buffer_per_thread;
+ /* Lock per thread to swap buffers between worker and timer process */
+ volatile u32 **lockp;
+
+ /* time scale transform */
+ u32 unix_time_0;
+ f64 vlib_time_0;
+
+ /* convenience */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+ ethernet_main_t *ethernet_main;
+ u32 ip4_lookup_node_index;
+
+ uword my_hbh_slot;
+ u32 export_process_node_index;
+} ioam_export_main_t;
+
+ioam_export_main_t ioam_export_main;
+ioam_export_main_t vxlan_gpe_ioam_export_main;
+
+vlib_node_registration_t export_node;
+
+#define DEFAULT_EXPORT_SIZE (3 * CLIB_CACHE_LINE_BYTES)
+/*
+ * Number of records in a buffer
+ * ~(MTU (1500) - [ip hdr(40) + UDP(8) + ipfix (24)]) / DEFAULT_EXPORT_SIZE
+ */
+#define DEFAULT_EXPORT_RECORDS 7
+
+always_inline ioam_export_buffer_t *
+ioam_export_get_my_buffer (ioam_export_main_t * em, u32 thread_id)
+{
+
+ if (vec_len (em->buffer_per_thread) > thread_id)
+ return (pool_elt_at_index
+ (em->buffer_pool, em->buffer_per_thread[thread_id]));
+ return (0);
+}
+
+inline static int
+ioam_export_buffer_add_header (ioam_export_main_t * em, vlib_buffer_t * b0)
+{
+ clib_memcpy (b0->data, em->record_header, vec_len (em->record_header));
+ b0->current_data = 0;
+ b0->current_length = vec_len (em->record_header);
+ b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
+ return (1);
+}
+
+inline static int
+ioam_export_init_buffer (ioam_export_main_t * em, vlib_main_t * vm,
+ ioam_export_buffer_t * eb)
+{
+ vlib_buffer_t *b = 0;
+
+ if (!eb)
+ return (-1);
+ /* TODO: Perhaps buffer init from template here */
+ if (vlib_buffer_alloc (vm, &(eb->buffer_index), 1) != 1)
+ return (-2);
+ eb->records_in_this_buffer = 0;
+ eb->touched_at = vlib_time_now (vm);
+ b = vlib_get_buffer (vm, eb->buffer_index);
+ (void) ioam_export_buffer_add_header (em, b);
+ vnet_buffer (b)->sw_if_index[VLIB_RX] = 0;
+ vnet_buffer (b)->sw_if_index[VLIB_TX] = ~0;
+ return (1);
+}
+
+inline static void
+ioam_export_thread_buffer_free (ioam_export_main_t * em)
+{
+ vlib_main_t *vm = em->vlib_main;
+ ioam_export_buffer_t *eb = 0;
+ int i;
+ for (i = 0; i < vec_len (em->buffer_per_thread); i++)
+ {
+ eb = pool_elt_at_index (em->buffer_pool, em->buffer_per_thread[i]);
+ if (eb)
+ vlib_buffer_free (vm, &(eb->buffer_index), 1);
+ }
+ for (i = 0; i < vec_len (em->lockp); i++)
+ clib_mem_free ((void *) em->lockp[i]);
+ vec_free (em->buffer_per_thread);
+ pool_free (em->buffer_pool);
+ vec_free (em->lockp);
+ em->buffer_per_thread = 0;
+ em->buffer_pool = 0;
+ em->lockp = 0;
+}
+
+inline static int
+ioam_export_thread_buffer_init (ioam_export_main_t * em, vlib_main_t * vm)
+{
+ int no_of_threads = vec_len (vlib_worker_threads);
+ int i;
+ ioam_export_buffer_t *eb = 0;
+ vlib_node_t *ip4_lookup_node;
+
+ pool_alloc_aligned (em->buffer_pool,
+ no_of_threads - 1, CLIB_CACHE_LINE_BYTES);
+ vec_validate_aligned (em->buffer_per_thread,
+ no_of_threads - 1, CLIB_CACHE_LINE_BYTES);
+ vec_validate_aligned (em->lockp, no_of_threads - 1, CLIB_CACHE_LINE_BYTES);
+ ip4_lookup_node = vlib_get_node_by_name (vm, (u8 *) "ip4-lookup");
+ em->ip4_lookup_node_index = ip4_lookup_node->index;
+ if (!em->buffer_per_thread || !em->buffer_pool || !em->lockp)
+ {
+ return (-1);
+ }
+ for (i = 0; i < no_of_threads; i++)
+ {
+ eb = 0;
+ pool_get_aligned (em->buffer_pool, eb, CLIB_CACHE_LINE_BYTES);
+ memset (eb, 0, sizeof (*eb));
+ em->buffer_per_thread[i] = eb - em->buffer_pool;
+ if (ioam_export_init_buffer (em, vm, eb) != 1)
+ {
+ ioam_export_thread_buffer_free (em);
+ return (-2);
+ }
+ em->lockp[i] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
+ CLIB_CACHE_LINE_BYTES);
+ memset ((void *) em->lockp[i], 0, CLIB_CACHE_LINE_BYTES);
+ }
+ return (1);
+}
+
+#define IPFIX_IOAM_EXPORT_ID 272
+
+/* Used to build the rewrite */
+/* data set packet */
+typedef struct
+{
+ ipfix_message_header_t h;
+ ipfix_set_header_t s;
+} ipfix_data_packet_t;
+
+typedef struct
+{
+ ip4_header_t ip4;
+ udp_header_t udp;
+ ipfix_data_packet_t ipfix;
+} ip4_ipfix_data_packet_t;
+
+
+inline static void
+ioam_export_header_cleanup (ioam_export_main_t * em,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address)
+{
+ vec_free (em->record_header);
+ em->record_header = 0;
+}
+
+inline static int
+ioam_export_header_create (ioam_export_main_t * em,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address)
+{
+ ip4_header_t *ip;
+ udp_header_t *udp;
+ ipfix_message_header_t *h;
+ ipfix_set_header_t *s;
+ u8 *rewrite = 0;
+ ip4_ipfix_data_packet_t *tp;
+
+
+ /* allocate rewrite space */
+ vec_validate_aligned (rewrite,
+ sizeof (ip4_ipfix_data_packet_t) - 1,
+ CLIB_CACHE_LINE_BYTES);
+
+ tp = (ip4_ipfix_data_packet_t *) rewrite;
+ ip = (ip4_header_t *) & tp->ip4;
+ udp = (udp_header_t *) (ip + 1);
+ h = (ipfix_message_header_t *) (udp + 1);
+ s = (ipfix_set_header_t *) (h + 1);
+
+ ip->ip_version_and_header_length = 0x45;
+ ip->ttl = 254;
+ ip->protocol = IP_PROTOCOL_UDP;
+ ip->src_address.as_u32 = src_address->as_u32;
+ ip->dst_address.as_u32 = collector_address->as_u32;
+ udp->src_port = clib_host_to_net_u16 (4939 /* $$FIXME */ );
+ udp->dst_port = clib_host_to_net_u16 (4939);
+ /* FIXUP: UDP length */
+ udp->length = clib_host_to_net_u16 (vec_len (rewrite) +
+ (DEFAULT_EXPORT_RECORDS *
+ DEFAULT_EXPORT_SIZE) - sizeof (*ip));
+
+ /* FIXUP: message header export_time */
+ /* FIXUP: message header sequence_number */
+ h->domain_id = clib_host_to_net_u32 (em->domain_id);
+
+ /*FIXUP: Setid length in octets if records exported are not default */
+ s->set_id_length = ipfix_set_id_length (IPFIX_IOAM_EXPORT_ID,
+ (sizeof (*s) +
+ (DEFAULT_EXPORT_RECORDS *
+ DEFAULT_EXPORT_SIZE)));
+
+ /* FIXUP: h version and length length in octets if records exported are not default */
+ h->version_length = version_length (sizeof (*h) +
+ (sizeof (*s) +
+ (DEFAULT_EXPORT_RECORDS *
+ DEFAULT_EXPORT_SIZE)));
+
+ /* FIXUP: ip length if records exported are not default */
+ /* FIXUP: ip checksum if records exported are not default */
+ ip->length = clib_host_to_net_u16 (vec_len (rewrite) +
+ (DEFAULT_EXPORT_RECORDS *
+ DEFAULT_EXPORT_SIZE));
+ ip->checksum = ip4_header_checksum (ip);
+ _vec_len (rewrite) = sizeof (ip4_ipfix_data_packet_t);
+ em->record_header = rewrite;
+ return (1);
+}
+
+inline static int
+ioam_export_send_buffer (ioam_export_main_t * em, vlib_main_t * vm,
+ ioam_export_buffer_t * eb)
+{
+ ip4_header_t *ip;
+ udp_header_t *udp;
+ ipfix_message_header_t *h;
+ ipfix_set_header_t *s;
+ ip4_ipfix_data_packet_t *tp;
+ vlib_buffer_t *b0;
+ u16 new_l0, old_l0;
+ ip_csum_t sum0;
+ vlib_frame_t *nf = 0;
+ u32 *to_next;
+
+ b0 = vlib_get_buffer (vm, eb->buffer_index);
+ tp = vlib_buffer_get_current (b0);
+ ip = (ip4_header_t *) & tp->ip4;
+ udp = (udp_header_t *) (ip + 1);
+ h = (ipfix_message_header_t *) (udp + 1);
+ s = (ipfix_set_header_t *) (h + 1);
+
+ /* FIXUP: message header export_time */
+ h->export_time = clib_host_to_net_u32 ((u32)
+ (((f64) em->unix_time_0) +
+ (vlib_time_now (em->vlib_main) -
+ em->vlib_time_0)));
+
+ /* FIXUP: message header sequence_number */
+ h->sequence_number = clib_host_to_net_u32 (em->sequence_number++);
+
+ /* FIXUP: lengths if different from default */
+ if (PREDICT_FALSE (eb->records_in_this_buffer != DEFAULT_EXPORT_RECORDS))
+ {
+ s->set_id_length =
+ ipfix_set_id_length (IPFIX_IOAM_EXPORT_ID /* set_id */ ,
+ b0->current_length - (sizeof (*ip) +
+ sizeof (*udp) +
+ sizeof (*h)));
+ h->version_length =
+ version_length (b0->current_length - (sizeof (*ip) + sizeof (*udp)));
+ sum0 = ip->checksum;
+ old_l0 = ip->length;
+ new_l0 = clib_host_to_net_u16 ((u16) b0->current_length);
+ sum0 = ip_csum_update (sum0, old_l0, new_l0, ip4_header_t,
+ length /* changed member */ );
+ ip->checksum = ip_csum_fold (sum0);
+ ip->length = new_l0;
+ udp->length = clib_host_to_net_u16 (b0->current_length - sizeof (*ip));
+ }
+
+ /* Enqueue pkts to ip4-lookup */
+
+ nf = vlib_get_frame_to_node (vm, em->ip4_lookup_node_index);
+ nf->n_vectors = 0;
+ to_next = vlib_frame_vector_args (nf);
+ nf->n_vectors = 1;
+ to_next[0] = eb->buffer_index;
+ vlib_put_frame_to_node (vm, em->ip4_lookup_node_index, nf);
+ return (1);
+
+}
+
+#define EXPORT_TIMEOUT (20.0)
+#define THREAD_PERIOD (30.0)
+inline static uword
+ioam_export_process_common (ioam_export_main_t * em, vlib_main_t * vm,
+ vlib_node_runtime_t * rt, vlib_frame_t * f,
+ u32 index)
+{
+ f64 now;
+ f64 timeout = 30.0;
+ uword event_type;
+ uword *event_data = 0;
+ int i;
+ ioam_export_buffer_t *eb = 0, *new_eb = 0;
+ u32 *vec_buffer_indices = 0;
+ u32 *vec_buffer_to_be_sent = 0;
+ u32 *thread_index = 0;
+ u32 new_pool_index = 0;
+
+ em->export_process_node_index = index;
+ /* Wait for Godot... */
+ vlib_process_wait_for_event_or_clock (vm, 1e9);
+ event_type = vlib_process_get_events (vm, &event_data);
+ if (event_type != 1)
+ clib_warning ("bogus kickoff event received, %d", event_type);
+ vec_reset_length (event_data);
+
+ while (1)
+ {
+ vlib_process_wait_for_event_or_clock (vm, timeout);
+ event_type = vlib_process_get_events (vm, &event_data);
+ switch (event_type)
+ {
+ case 2: /* Stop and Wait for kickoff again */
+ timeout = 1e9;
+ break;
+ case 1: /* kickoff : Check for unsent buffers */
+ timeout = THREAD_PERIOD;
+ break;
+ case ~0: /* timeout */
+ break;
+ }
+ vec_reset_length (event_data);
+ now = vlib_time_now (vm);
+ /*
+ * Create buffers for threads that are not active enough
+ * to send out the export records
+ */
+ for (i = 0; i < vec_len (em->buffer_per_thread); i++)
+ {
+ /* If the worker thread is processing export records ignore further checks */
+ if (*em->lockp[i] == 1)
+ continue;
+ eb = pool_elt_at_index (em->buffer_pool, em->buffer_per_thread[i]);
+ if (eb->records_in_this_buffer > 0
+ && now > (eb->touched_at + EXPORT_TIMEOUT))
+ {
+ pool_get_aligned (em->buffer_pool, new_eb,
+ CLIB_CACHE_LINE_BYTES);
+ memset (new_eb, 0, sizeof (*new_eb));
+ if (ioam_export_init_buffer (em, vm, new_eb) == 1)
+ {
+ new_pool_index = new_eb - em->buffer_pool;
+ vec_add (vec_buffer_indices, &new_pool_index, 1);
+ vec_add (vec_buffer_to_be_sent, &em->buffer_per_thread[i],
+ 1);
+ vec_add (thread_index, &i, 1);
+ }
+ else
+ {
+ pool_put (em->buffer_pool, new_eb);
+ /*Give up */
+ goto CLEANUP;
+ }
+ }
+ }
+ if (vec_len (thread_index) != 0)
+ {
+ /*
+ * Now swap the buffers out
+ */
+ for (i = 0; i < vec_len (thread_index); i++)
+ {
+ while (__sync_lock_test_and_set (em->lockp[thread_index[i]], 1))
+ ;
+ em->buffer_per_thread[thread_index[i]] =
+ vec_pop (vec_buffer_indices);
+ *em->lockp[thread_index[i]] = 0;
+ }
+
+ /* Send the buffers */
+ for (i = 0; i < vec_len (vec_buffer_to_be_sent); i++)
+ {
+ eb =
+ pool_elt_at_index (em->buffer_pool, vec_buffer_to_be_sent[i]);
+ ioam_export_send_buffer (em, vm, eb);
+ pool_put (em->buffer_pool, eb);
+ }
+ }
+
+ CLEANUP:
+ /* Free any leftover/unused buffers and everything that was allocated */
+ for (i = 0; i < vec_len (vec_buffer_indices); i++)
+ {
+ new_eb = pool_elt_at_index (em->buffer_pool, vec_buffer_indices[i]);
+ vlib_buffer_free (vm, &new_eb->buffer_index, 1);
+ pool_put (em->buffer_pool, new_eb);
+ }
+ vec_free (vec_buffer_indices);
+ vec_free (vec_buffer_to_be_sent);
+ vec_free (thread_index);
+ }
+ return 0; /* not so much */
+}
+
+#define ioam_export_node_common(EM, VM, N, F, HTYPE, L, V, NEXT) \
+do { \
+ u32 n_left_from, *from, *to_next; \
+ export_next_t next_index; \
+ u32 pkts_recorded = 0; \
+ ioam_export_buffer_t *my_buf = 0; \
+ vlib_buffer_t *eb0 = 0; \
+ u32 ebi0 = 0; \
+ from = vlib_frame_vector_args (F); \
+ n_left_from = (F)->n_vectors; \
+ next_index = (N)->cached_next_index; \
+ while (__sync_lock_test_and_set ((EM)->lockp[(VM)->cpu_index], 1)); \
+ my_buf = ioam_export_get_my_buffer (EM, (VM)->cpu_index); \
+ my_buf->touched_at = vlib_time_now (VM); \
+ while (n_left_from > 0) \
+ { \
+ u32 n_left_to_next; \
+ vlib_get_next_frame (VM, N, next_index, to_next, n_left_to_next); \
+ while (n_left_from >= 4 && n_left_to_next >= 2) \
+ { \
+ u32 next0 = NEXT; \
+ u32 next1 = NEXT; \
+ u32 bi0, bi1; \
+ HTYPE *ip0, *ip1; \
+ vlib_buffer_t *p0, *p1; \
+ u32 ip_len0, ip_len1; \
+ { \
+ 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, 3 * CLIB_CACHE_LINE_BYTES, LOAD); \
+ CLIB_PREFETCH (p3->data, 3 * CLIB_CACHE_LINE_BYTES, LOAD); \
+ } \
+ 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; \
+ p0 = vlib_get_buffer (VM, bi0); \
+ p1 = vlib_get_buffer (VM, bi1); \
+ ip0 = vlib_buffer_get_current (p0); \
+ ip1 = vlib_buffer_get_current (p1); \
+ ip_len0 = \
+ clib_net_to_host_u16 (ip0->L) + sizeof (HTYPE); \
+ ip_len1 = \
+ clib_net_to_host_u16 (ip1->L) + sizeof (HTYPE); \
+ ebi0 = my_buf->buffer_index; \
+ eb0 = vlib_get_buffer (VM, ebi0); \
+ if (PREDICT_FALSE (eb0 == 0)) \
+ goto NO_BUFFER1; \
+ ip_len0 = \
+ ip_len0 > DEFAULT_EXPORT_SIZE ? DEFAULT_EXPORT_SIZE : ip_len0; \
+ ip_len1 = \
+ ip_len1 > DEFAULT_EXPORT_SIZE ? DEFAULT_EXPORT_SIZE : ip_len1; \
+ copy3cachelines (eb0->data + eb0->current_length, ip0, ip_len0); \
+ eb0->current_length += DEFAULT_EXPORT_SIZE; \
+ my_buf->records_in_this_buffer++; \
+ if (my_buf->records_in_this_buffer >= DEFAULT_EXPORT_RECORDS) \
+ { \
+ ioam_export_send_buffer (EM, VM, my_buf); \
+ ioam_export_init_buffer (EM, VM, my_buf); \
+ } \
+ ebi0 = my_buf->buffer_index; \
+ eb0 = vlib_get_buffer (VM, ebi0); \
+ if (PREDICT_FALSE (eb0 == 0)) \
+ goto NO_BUFFER1; \
+ copy3cachelines (eb0->data + eb0->current_length, ip1, ip_len1); \
+ eb0->current_length += DEFAULT_EXPORT_SIZE; \
+ my_buf->records_in_this_buffer++; \
+ if (my_buf->records_in_this_buffer >= DEFAULT_EXPORT_RECORDS) \
+ { \
+ ioam_export_send_buffer (EM, VM, my_buf); \
+ ioam_export_init_buffer (EM, VM, my_buf); \
+ } \
+ pkts_recorded += 2; \
+ if (PREDICT_FALSE (((node)->flags & VLIB_NODE_FLAG_TRACE))) \
+ { \
+ if (p0->flags & VLIB_BUFFER_IS_TRACED) \
+ { \
+ export_trace_t *t = \
+ vlib_add_trace (VM, node, p0, sizeof (*t)); \
+ t->flow_label = \
+ clib_net_to_host_u32 (ip0->V); \
+ t->next_index = next0; \
+ } \
+ if (p1->flags & VLIB_BUFFER_IS_TRACED) \
+ { \
+ export_trace_t *t = \
+ vlib_add_trace (VM, N, p1, sizeof (*t)); \
+ t->flow_label = \
+ clib_net_to_host_u32 (ip1->V); \
+ t->next_index = next1; \
+ } \
+ } \
+ NO_BUFFER1: \
+ vlib_validate_buffer_enqueue_x2 (VM, N, 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 *p0; \
+ u32 next0 = NEXT; \
+ HTYPE *ip0; \
+ u32 ip_len0; \
+ bi0 = from[0]; \
+ to_next[0] = bi0; \
+ from += 1; \
+ to_next += 1; \
+ n_left_from -= 1; \
+ n_left_to_next -= 1; \
+ p0 = vlib_get_buffer (VM, bi0); \
+ ip0 = vlib_buffer_get_current (p0); \
+ ip_len0 = \
+ clib_net_to_host_u16 (ip0->L) + sizeof (HTYPE); \
+ ebi0 = my_buf->buffer_index; \
+ eb0 = vlib_get_buffer (VM, ebi0); \
+ if (PREDICT_FALSE (eb0 == 0)) \
+ goto NO_BUFFER; \
+ ip_len0 = \
+ ip_len0 > DEFAULT_EXPORT_SIZE ? DEFAULT_EXPORT_SIZE : ip_len0; \
+ copy3cachelines (eb0->data + eb0->current_length, ip0, ip_len0); \
+ eb0->current_length += DEFAULT_EXPORT_SIZE; \
+ my_buf->records_in_this_buffer++; \
+ if (my_buf->records_in_this_buffer >= DEFAULT_EXPORT_RECORDS) \
+ { \
+ ioam_export_send_buffer (EM, VM, my_buf); \
+ ioam_export_init_buffer (EM, VM, my_buf); \
+ } \
+ if (PREDICT_FALSE (((N)->flags & VLIB_NODE_FLAG_TRACE) \
+ && (p0->flags & VLIB_BUFFER_IS_TRACED))) \
+ { \
+ export_trace_t *t = vlib_add_trace (VM, (N), p0, sizeof (*t)); \
+ t->flow_label = \
+ clib_net_to_host_u32 (ip0->V); \
+ t->next_index = next0; \
+ } \
+ pkts_recorded += 1; \
+ NO_BUFFER: \
+ vlib_validate_buffer_enqueue_x1 (VM, N, next_index, \
+ to_next, n_left_to_next, \
+ bi0, next0); \
+ } \
+ vlib_put_next_frame (VM, N, next_index, n_left_to_next); \
+ } \
+ vlib_node_increment_counter (VM, export_node.index, \
+ EXPORT_ERROR_RECORDED, pkts_recorded); \
+ *(EM)->lockp[(VM)->cpu_index] = 0; \
+} while(0)
+
+#endif /* __included_ioam_export_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/* 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.
+ */
+
+/* Define a simple binary API to control the feature */
+
+define vxlan_gpe_ioam_export_enable_disable {
+ /* Client identifier, set from api_main.my_client_index */
+ u32 client_index;
+
+ /* Arbitrary context, so client can match reply to request */
+ u32 context;
+
+ /* Enable / disable the feature */
+ u8 is_disable;
+
+ /* Collector ip address */
+ u8 collector_address[4];
+ u8 src_address[4];
+
+ /* Src ip address */
+};
+
+define vxlan_gpe_ioam_export_enable_disable_reply {
+ /* From the request */
+ u32 context;
+
+ /* Return value, zero means all OK */
+ i32 retval;
+};
\ No newline at end of file
--- /dev/null
+/*
+ * 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.
+ */
+/*
+ *------------------------------------------------------------------
+ * vxlan_gpe_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 <vnet/vxlan-gpe/vxlan_gpe.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vlibsocket/api.h>
+
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
+
+/* define message IDs */
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
+#undef vl_typedefs
+
+/* define generated endian-swappers */
+#define vl_endianfun
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
+#undef vl_api_version
+
+/*
+ * A handy macro to set up a message reply.
+ * Assumes that the following variables are available:
+ * mp - pointer to request message
+ * rmp - pointer to reply message type
+ * rv - return value
+ */
+
+#define REPLY_MACRO(t) \
+do { \
+ unix_shared_memory_queue_t * q = \
+ vl_api_client_index_to_input_queue (mp->client_index); \
+ if (!q) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc (sizeof (*rmp)); \
+ rmp->_vl_msg_id = ntohs((t)+sm->msg_id_base); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ \
+ vl_msg_api_send_shmem (q, (u8 *)&rmp); \
+} while(0);
+
+
+/* List of message types that this plugin understands */
+
+
+#define foreach_vxlan_gpe_ioam_export_plugin_api_msg \
+_(VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE, vxlan_gpe_ioam_export_enable_disable)
+
+/*
+ * This routine exists to convince the vlib plugin framework that
+ * we haven't accidentally copied a random .dll into the plugin directory.
+ *
+ * Also collects global variable pointers passed from the vpp engine
+ */
+
+clib_error_t *
+vlib_plugin_register (vlib_main_t * vm, vnet_plugin_handoff_t * h,
+ int from_early_init)
+{
+ ioam_export_main_t *em = &vxlan_gpe_ioam_export_main;
+ clib_error_t *error = 0;
+
+ em->vlib_main = vm;
+ em->vnet_main = h->vnet_main;
+ em->ethernet_main = h->ethernet_main;
+
+ return error;
+}
+
+extern void vxlan_gpe_set_next_override (uword next);
+/* Action function shared between message handler and debug CLI */
+int
+vxlan_gpe_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;
+
+ if (is_disable == 0)
+ {
+ if (1 == ioam_export_header_create (em, collector_address, src_address))
+ {
+ ioam_export_thread_buffer_init (em, vm);
+ vxlan_gpe_set_next_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
+ {
+ vxlan_gpe_set_next_override (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;
+}
+
+/* API message handler */
+static void vl_api_vxlan_gpe_ioam_export_enable_disable_t_handler
+ (vl_api_vxlan_gpe_ioam_export_enable_disable_t * mp)
+{
+ vl_api_vxlan_gpe_ioam_export_enable_disable_reply_t *rmp;
+ ioam_export_main_t *sm = &vxlan_gpe_ioam_export_main;
+ int rv;
+
+ rv = vxlan_gpe_ioam_export_enable_disable (sm, (int) (mp->is_disable),
+ (ip4_address_t *)
+ mp->collector_address,
+ (ip4_address_t *)
+ mp->src_address);
+
+ REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE_REPLY);
+} /* API message handler */
+
+
+
+/* Set up the API message handling tables */
+static clib_error_t *
+vxlan_gpe_ioam_export_plugin_api_hookup (vlib_main_t * vm)
+{
+ ioam_export_main_t *sm = &vxlan_gpe_ioam_export_main;
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
+ #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vxlan_gpe_ioam_export_plugin_api_msg;
+#undef _
+
+ return 0;
+}
+
+
+static clib_error_t *
+set_vxlan_gpe_ioam_export_ipfix_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ ioam_export_main_t *em = &vxlan_gpe_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);
+ vxlan_gpe_ioam_export_enable_disable (em, is_disable, &collector, &src);
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_vxlan_gpe_ioam_ipfix_command, static) =
+{
+.path = "set vxlan-gpe-ioam export ipfix",
+.short_help = "set vxlan-gpe-ioam export ipfix collector <ip4-address> src <ip4-address>",
+.function = set_vxlan_gpe_ioam_export_ipfix_command_fn,
+};
+/* *INDENT-ON* */
+
+
+static clib_error_t *
+vxlan_gpe_ioam_export_init (vlib_main_t * vm)
+{
+ ioam_export_main_t *em = &vxlan_gpe_ioam_export_main;
+ clib_error_t *error = 0;
+ u8 *name;
+ u32 node_index = export_node.index;
+ vlib_node_t *vxlan_gpe_decap_ioam_node = NULL;
+
+ name = format (0, "vxlan_gpe_ioam_export_%08x%c", api_version, 0);
+
+ /* Ask for a correctly-sized block of API message decode slots */
+ em->msg_id_base = vl_msg_api_get_msg_ids
+ ((char *) name, VL_MSG_FIRST_AVAILABLE);
+ em->unix_time_0 = (u32) time (0); /* Store starting time */
+ em->vlib_time_0 = vlib_time_now (vm);
+
+ error = vxlan_gpe_ioam_export_plugin_api_hookup (vm);
+
+ /* Hook this export node to vxlan-gpe-decap-ioam-v4 */
+ vxlan_gpe_decap_ioam_node =
+ vlib_get_node_by_name (vm, (u8 *) "vxlan-gpe-decap-ioam-v4");
+ em->my_hbh_slot =
+ vlib_node_add_next (vm, vxlan_gpe_decap_ioam_node->index, node_index);
+ vec_free (name);
+
+ return error;
+}
+
+VLIB_INIT_FUNCTION (vxlan_gpe_ioam_export_init);
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * 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 the generated file, see BUILT_SOURCES in Makefile.am */
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.h>
--- /dev/null
+/*
+ * 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 included_vxlan_gpe_ioam_export_msg_enum_h
+#define included_vxlan_gpe_ioam_export_msg_enum_h
+
+#include <vppinfra/byte_order.h>
+
+#define vl_msg_id(n,h) n,
+typedef enum {
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
+ /* We'll want to know how many messages IDs we need... */
+ VL_MSG_FIRST_AVAILABLE,
+} vl_msg_id_t;
+#undef vl_msg_id
+
+#endif /* included_vxlan_gpe_ioam_export_msg_enum_h */
--- /dev/null
+/*
+ * 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.
+ */
+/*
+ *------------------------------------------------------------------
+ * vxlan_gpe_ioam_export_test.c - test harness plugin
+ *------------------------------------------------------------------
+ */
+
+#include <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vlibsocket/api.h>
+#include <vppinfra/error.h>
+
+
+/* Declare message IDs */
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+
+#define vl_endianfun /* define message structures */
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number. */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
+#undef vl_api_version
+
+
+typedef struct
+{
+ /* API message ID base */
+ u16 msg_id_base;
+ vat_main_t *vat_main;
+} export_test_main_t;
+
+export_test_main_t export_test_main;
+
+#define foreach_standard_reply_retval_handler \
+_(vxlan_gpe_ioam_export_enable_disable_reply)
+
+#define _(n) \
+ static void vl_api_##n##_t_handler \
+ (vl_api_##n##_t * mp) \
+ { \
+ vat_main_t * vam = export_test_main.vat_main; \
+ i32 retval = ntohl(mp->retval); \
+ if (vam->async_mode) { \
+ vam->async_errors += (retval < 0); \
+ } else { \
+ vam->retval = retval; \
+ vam->result_ready = 1; \
+ } \
+ }
+foreach_standard_reply_retval_handler;
+#undef _
+
+/*
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+#define foreach_vpe_api_reply_msg \
+_(VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE_REPLY, vxlan_gpe_ioam_export_enable_disable_reply)
+
+
+/* M: construct, but don't yet send a message */
+
+#define M(T,t) \
+do { \
+ vam->result_ready = 0; \
+ mp = vl_msg_api_alloc(sizeof(*mp)); \
+ memset (mp, 0, sizeof (*mp)); \
+ mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
+ mp->client_index = vam->my_client_index; \
+} while(0);
+
+#define M2(T,t,n) \
+do { \
+ vam->result_ready = 0; \
+ mp = vl_msg_api_alloc(sizeof(*mp)+(n)); \
+ memset (mp, 0, sizeof (*mp)); \
+ mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
+ mp->client_index = vam->my_client_index; \
+} while(0);
+
+/* S: send a message */
+#define S (vl_msg_api_send_shmem (vam->vl_input_queue, (u8 *)&mp))
+
+/* W: wait for results, with timeout */
+#define W \
+do { \
+ timeout = vat_time_now (vam) + 1.0; \
+ \
+ while (vat_time_now (vam) < timeout) { \
+ if (vam->result_ready == 1) { \
+ return (vam->retval); \
+ } \
+ } \
+ return -99; \
+} while(0);
+
+static int
+api_vxlan_gpe_ioam_export_enable_disable (vat_main_t * vam)
+{
+ export_test_main_t *sm = &export_test_main;
+ unformat_input_t *i = vam->input;
+ f64 timeout;
+ int is_disable = 0;
+ vl_api_vxlan_gpe_ioam_export_enable_disable_t *mp;
+
+ /* Parse args required to build the message */
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "disable"))
+ is_disable = 1;
+ else
+ break;
+ }
+
+ /* Construct the API message */
+ M (VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE,
+ vxlan_gpe_ioam_export_enable_disable);
+ mp->is_disable = is_disable;
+
+ /* send it... */
+ S;
+
+ /* Wait for a reply... */
+ W;
+}
+
+/*
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg \
+_(vxlan_gpe_ioam_export_enable_disable, "<intfc> [disable]")
+
+void
+vat_api_hookup (vat_main_t * vam)
+{
+ export_test_main_t *sm = &export_test_main;
+ /* Hook up handlers for replies from the data plane plug-in */
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
+ #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vpe_api_reply_msg;
+#undef _
+
+ /* API messages we can send */
+#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
+ foreach_vpe_api_msg;
+#undef _
+
+ /* Help strings */
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+ foreach_vpe_api_msg;
+#undef _
+}
+
+clib_error_t *
+vat_plugin_register (vat_main_t * vam)
+{
+ export_test_main_t *sm = &export_test_main;
+ u8 *name;
+
+ sm->vat_main = vam;
+
+ name = format (0, "vxlan_gpe_ioam_export_%08x%c", api_version, 0);
+ sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+ if (sm->msg_id_base != (u16) ~ 0)
+ vat_api_hookup (vam);
+
+ vec_free (name);
+
+ return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * 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.
+ */
+/*
+ * 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 vxlan_gpe_ioam_export_process_node;
+
+static uword
+vxlan_gpe_ioam_export_process (vlib_main_t * vm,
+ vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ return (ioam_export_process_common (&vxlan_gpe_ioam_export_main,
+ vm, rt, f,
+ vxlan_gpe_ioam_export_process_node.index));
+}
+
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (vxlan_gpe_ioam_export_process_node, static) =
+{
+ .function = vxlan_gpe_ioam_export_process,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "vxlan-gpe-ioam-export-process",
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * 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 <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <vnet/pg/pg.h>
+#include <vppinfra/error.h>
+#include <vnet/ip/ip.h>
+#include <ioam/export-common/ioam_export.h>
+#include <vnet/vxlan-gpe/vxlan_gpe.h>
+#include <vnet/vxlan-gpe/vxlan_gpe_packet.h>
+
+typedef struct
+{
+ u32 next_index;
+ u32 flow_label;
+} export_trace_t;
+
+/* 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 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_VXLAN_GPE_INPUT,
+ EXPORT_N_NEXT,
+} export_next_t;
+
+always_inline void
+copy3cachelines (void *dst, const void *src, size_t n)
+{
+#if 0
+ if (PREDICT_FALSE (n < DEFAULT_EXPORT_SIZE))
+ {
+ /* Copy only the first 1/2 cache lines whatever is available */
+ if (n >= 64)
+ clib_mov64 ((u8 *) dst, (const u8 *) src);
+ if (n >= 128)
+ clib_mov64 ((u8 *) dst + 64, (const u8 *) src + 64);
+ return;
+ }
+ clib_mov64 ((u8 *) dst, (const u8 *) src);
+ clib_mov64 ((u8 *) dst + 64, (const u8 *) src + 64);
+ clib_mov64 ((u8 *) dst + 128, (const u8 *) src + 128);
+#endif
+#if 1
+
+ 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;
+ }
+#endif
+}
+
+
+static uword
+vxlan_gpe_export_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ ioam_export_main_t *em = &vxlan_gpe_ioam_export_main;
+ ioam_export_node_common (em, vm, node, frame, ip4_header_t, length,
+ ip_version_and_header_length,
+ EXPORT_NEXT_VXLAN_GPE_INPUT);
+ return frame->n_vectors;
+}
+
+/*
+ * Node for VXLAN-GPE export
+ */
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (export_node) =
+{
+ .function = vxlan_gpe_export_node_fn,
+ .name = "vxlan-gpe-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_VXLAN_GPE_INPUT] = "vxlan-gpe-pop-ioam-v4"},
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/vnet.h>
#include <vnet/plugin/plugin.h>
-#include <ioam/export/ioam_export.h>
+#include <ioam/export-common/ioam_export.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vlibsocket/api.h>
#include <vnet/ip/ip6_hop_by_hop.h>
-#include "ioam_export.h"
/* define message IDs */
#include <ioam/export/ioam_export_msg_enum.h>
if (is_disable == 0)
{
- if (1 == ioam_export_header_create (collector_address, src_address))
+ if (1 == ioam_export_header_create (em, collector_address, src_address))
{
- ioam_export_thread_buffer_init (vm);
+ ioam_export_thread_buffer_init (em, vm);
ip6_hbh_set_next_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
{
ip6_hbh_set_next_override (IP6_LOOKUP_NEXT_POP_HOP_BY_HOP);
- ioam_export_header_cleanup (collector_address, src_address);
- ioam_export_thread_buffer_free ();
+ 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);
int rv;
rv = ioam_export_ip6_enable_disable (sm, (int) (mp->is_disable),
- (ip4_address_t *) mp->
- collector_address,
+ (ip4_address_t *)
+ mp->collector_address,
(ip4_address_t *) mp->src_address);
REPLY_MACRO (VL_API_IOAM_EXPORT_IP6_ENABLE_DISABLE_REPLY);
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_ipfix_command, static) =
{
.path = "set ioam export ipfix",.short_help =
"set ioam export ipfix collector <ip4-address> src <ip4-address>",.
function = set_ioam_export_ipfix_command_fn,};
+/* *INDENT-ON* */
static clib_error_t *
}
VLIB_INIT_FUNCTION (ioam_export_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
+++ /dev/null
-/*
- * 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 __included_ioam_export_h__
-#define __included_ioam_export_h__
-
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ip/ip_packet.h>
-#include <vnet/ip/ip4_packet.h>
-#include <vnet/ip/ip6_packet.h>
-#include <vnet/ip/udp.h>
-#include <vnet/flow/ipfix_packet.h>
-
-#include <vppinfra/pool.h>
-#include <vppinfra/hash.h>
-#include <vppinfra/error.h>
-#include <vppinfra/elog.h>
-
-#include <vlib/threads.h>
-
-typedef struct ioam_export_buffer {
- /* Allocated buffer */
- u32 buffer_index;
- u64 touched_at;
- u8 records_in_this_buffer;
-} ioam_export_buffer_t;
-
-
-typedef struct {
- /* API message ID base */
- u16 msg_id_base;
-
- /* TODO: to support multiple collectors all this has to be grouped and create a vector here*/
- u8 *record_header;
- u32 sequence_number;
- u32 domain_id;
-
- /* ipfix collector, our ip address */
- ip4_address_t ipfix_collector;
- ip4_address_t src_address;
-
- /* Pool of ioam_export_buffer_t */
- ioam_export_buffer_t *buffer_pool;
- /* Vector of per thread ioam_export_buffer_t to buffer pool index */
- u32 *buffer_per_thread;
- /* Lock per thread to swap buffers between worker and timer process*/
- volatile u32 **lockp;
-
- /* time scale transform*/
- u32 unix_time_0;
- f64 vlib_time_0;
-
- /* convenience */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
- ethernet_main_t * ethernet_main;
- u32 ip4_lookup_node_index;
-
- uword my_hbh_slot;
- u32 export_process_node_index;
-} ioam_export_main_t;
-
-ioam_export_main_t ioam_export_main;
-
-vlib_node_registration_t export_node;
-
-#define DEFAULT_EXPORT_SIZE (3 * CLIB_CACHE_LINE_BYTES)
-/*
- * Number of records in a buffer
- * ~(MTU (1500) - [ip hdr(40) + UDP(8) + ipfix (24)]) / DEFAULT_EXPORT_SIZE
- */
-#define DEFAULT_EXPORT_RECORDS 7
-
-always_inline ioam_export_buffer_t *ioam_export_get_my_buffer(u32 thread_id)
-{
- ioam_export_main_t *em = &ioam_export_main;
-
- if (vec_len(em->buffer_per_thread) > thread_id)
- return(pool_elt_at_index(em->buffer_pool, em->buffer_per_thread[thread_id]));
- return(0);
-}
-
-inline static int ioam_export_buffer_add_header (vlib_buffer_t *b0)
-{
- ioam_export_main_t *em = &ioam_export_main;
- clib_memcpy(b0->data, em->record_header, vec_len(em->record_header));
- b0->current_data = 0;
- b0->current_length = vec_len(em->record_header);
- b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
- return(1);
-}
-
-inline static int ioam_export_init_buffer (vlib_main_t *vm,
- ioam_export_buffer_t *eb)
-{
- vlib_buffer_t *b = 0;
-
- if (!eb)
- return(-1);
- /* TODO: Perhaps buffer init from template here */
- if (vlib_buffer_alloc (vm, &(eb->buffer_index), 1) != 1)
- return(-2);
- eb->records_in_this_buffer = 0;
- eb->touched_at = vlib_time_now(vm);
- b = vlib_get_buffer(vm, eb->buffer_index);
- (void) ioam_export_buffer_add_header(b);
- vnet_buffer(b)->sw_if_index[VLIB_RX] = 0;
- vnet_buffer(b)->sw_if_index[VLIB_TX] = ~0;
- return(1);
-}
-
-inline static void ioam_export_thread_buffer_free (void)
-{
- ioam_export_main_t *em = &ioam_export_main;
- vlib_main_t *vm = em->vlib_main;
- ioam_export_buffer_t *eb = 0;
- int i;
- for (i = 0; i < vec_len(em->buffer_per_thread); i++)
- {
- eb = pool_elt_at_index(em->buffer_pool, em->buffer_per_thread[i]);
- if (eb)
- vlib_buffer_free(vm, &(eb->buffer_index), 1);
- }
- for (i = 0; i < vec_len(em->lockp); i++)
- clib_mem_free((void *) em->lockp[i]);
- vec_free(em->buffer_per_thread);
- pool_free(em->buffer_pool);
- vec_free(em->lockp);
- em->buffer_per_thread = 0;
- em->buffer_pool = 0;
- em->lockp = 0;
-}
-
-inline static int ioam_export_thread_buffer_init (vlib_main_t *vm)
-{
- ioam_export_main_t *em = &ioam_export_main;
- int no_of_threads = vec_len(vlib_worker_threads);
- int i;
- ioam_export_buffer_t *eb = 0;
- vlib_node_t * ip4_lookup_node;
-
- pool_alloc_aligned(em->buffer_pool,
- no_of_threads - 1,
- CLIB_CACHE_LINE_BYTES);
- vec_validate_aligned(em->buffer_per_thread,
- no_of_threads-1,
- CLIB_CACHE_LINE_BYTES);
- vec_validate_aligned(em->lockp, no_of_threads-1,
- CLIB_CACHE_LINE_BYTES);
- ip4_lookup_node = vlib_get_node_by_name (vm, (u8 *) "ip4-lookup");
- em->ip4_lookup_node_index = ip4_lookup_node->index;
- if (!em->buffer_per_thread || !em->buffer_pool || !em->lockp)
- {
- return(-1);
- }
- for (i=0; i < no_of_threads; i++)
- {
- eb = 0;
- pool_get_aligned(em->buffer_pool, eb, CLIB_CACHE_LINE_BYTES);
- memset(eb, 0, sizeof (*eb));
- em->buffer_per_thread[i] = eb - em->buffer_pool;
- if (ioam_export_init_buffer(vm, eb) != 1)
- {
- ioam_export_thread_buffer_free();
- return(-2);
- }
- em->lockp[i] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
- CLIB_CACHE_LINE_BYTES);
- memset ((void *) em->lockp[i], 0, CLIB_CACHE_LINE_BYTES);
- }
- return(1);
-}
-
-#define IPFIX_IOAM_EXPORT_ID 272
-
-/* Used to build the rewrite */
-/* data set packet */
-typedef struct {
- ipfix_message_header_t h;
- ipfix_set_header_t s;
-} ipfix_data_packet_t;
-
-typedef struct {
- ip4_header_t ip4;
- udp_header_t udp;
- ipfix_data_packet_t ipfix;
-} ip4_ipfix_data_packet_t;
-
-
-inline static void ioam_export_header_cleanup (ip4_address_t * collector_address,
- ip4_address_t * src_address)
-{
- ioam_export_main_t *em = &ioam_export_main;
- vec_free(em->record_header);
- em->record_header = 0;
-}
-
-inline static int ioam_export_header_create (ip4_address_t * collector_address,
- ip4_address_t * src_address)
-{
- ioam_export_main_t *em = &ioam_export_main;
- ip4_header_t * ip;
- udp_header_t * udp;
- ipfix_message_header_t * h;
- ipfix_set_header_t * s;
- u8 * rewrite = 0;
- ip4_ipfix_data_packet_t * tp;
-
-
- /* allocate rewrite space */
- vec_validate_aligned (rewrite,
- sizeof (ip4_ipfix_data_packet_t) - 1,
- CLIB_CACHE_LINE_BYTES);
-
- tp = (ip4_ipfix_data_packet_t *) rewrite;
- ip = (ip4_header_t *) &tp->ip4;
- udp = (udp_header_t *) (ip+1);
- h = (ipfix_message_header_t *)(udp+1);
- s = (ipfix_set_header_t *)(h+1);
-
- ip->ip_version_and_header_length = 0x45;
- ip->ttl = 254;
- ip->protocol = IP_PROTOCOL_UDP;
- ip->src_address.as_u32 = src_address->as_u32;
- ip->dst_address.as_u32 = collector_address->as_u32;
- udp->src_port = clib_host_to_net_u16 (4939 /* $$FIXME */);
- udp->dst_port = clib_host_to_net_u16 (4939);
- /* FIXUP: UDP length */
- udp->length = clib_host_to_net_u16 (vec_len(rewrite) +
- (DEFAULT_EXPORT_RECORDS * DEFAULT_EXPORT_SIZE) - sizeof (*ip));
-
- /* FIXUP: message header export_time */
- /* FIXUP: message header sequence_number */
- h->domain_id = clib_host_to_net_u32 (em->domain_id);
-
- /*FIXUP: Setid length in octets if records exported are not default*/
- s->set_id_length = ipfix_set_id_length (IPFIX_IOAM_EXPORT_ID,
- (sizeof(*s) + (DEFAULT_EXPORT_RECORDS * DEFAULT_EXPORT_SIZE)));
-
- /* FIXUP: h version and length length in octets if records exported are not default */
- h->version_length = version_length (sizeof(*h)+
- (sizeof(*s) + (DEFAULT_EXPORT_RECORDS * DEFAULT_EXPORT_SIZE)));
-
- /* FIXUP: ip length if records exported are not default */
- /* FIXUP: ip checksum if records exported are not default */
- ip->length = clib_host_to_net_u16 (vec_len(rewrite) +
- (DEFAULT_EXPORT_RECORDS * DEFAULT_EXPORT_SIZE));
- ip->checksum = ip4_header_checksum (ip);
- _vec_len(rewrite) = sizeof(ip4_ipfix_data_packet_t);
- em->record_header = rewrite;
- return(1);
-}
-
-inline static int ioam_export_send_buffer (vlib_main_t *vm,
- ioam_export_buffer_t *eb)
-{
- ioam_export_main_t *em = &ioam_export_main;
- ip4_header_t * ip;
- udp_header_t * udp;
- ipfix_message_header_t * h;
- ipfix_set_header_t * s;
- ip4_ipfix_data_packet_t * tp;
- vlib_buffer_t *b0;
- u16 new_l0, old_l0;
- ip_csum_t sum0;
- vlib_frame_t * nf = 0;
- u32 * to_next;
-
- b0 = vlib_get_buffer(vm, eb->buffer_index);
- tp = vlib_buffer_get_current (b0);
- ip = (ip4_header_t *) &tp->ip4;
- udp = (udp_header_t *) (ip+1);
- h = (ipfix_message_header_t *)(udp+1);
- s = (ipfix_set_header_t *)(h+1);
-
- /* FIXUP: message header export_time */
- h->export_time = clib_host_to_net_u32((u32)
- (((f64)em->unix_time_0) +
- (vlib_time_now(em->vlib_main) - em->vlib_time_0)));
-
- /* FIXUP: message header sequence_number */
- h->sequence_number = clib_host_to_net_u32 (em->sequence_number++);
-
- /* FIXUP: lengths if different from default */
- if (PREDICT_FALSE(eb->records_in_this_buffer != DEFAULT_EXPORT_RECORDS)) {
- s->set_id_length = ipfix_set_id_length (IPFIX_IOAM_EXPORT_ID /* set_id */,
- b0->current_length -
- (sizeof (*ip) + sizeof (*udp) +
- sizeof (*h)));
- h->version_length = version_length (b0->current_length -
- (sizeof (*ip) + sizeof (*udp)));
- sum0 = ip->checksum;
- old_l0 = ip->length;
- new_l0 = clib_host_to_net_u16 ((u16)b0->current_length);
- sum0 = ip_csum_update (sum0, old_l0, new_l0, ip4_header_t,
- length /* changed member */);
- ip->checksum = ip_csum_fold (sum0);
- ip->length = new_l0;
- udp->length = clib_host_to_net_u16 (b0->current_length - sizeof (*ip));
- }
-
- /* Enqueue pkts to ip4-lookup */
-
- nf = vlib_get_frame_to_node (vm, em->ip4_lookup_node_index);
- nf->n_vectors = 0;
- to_next = vlib_frame_vector_args (nf);
- nf->n_vectors = 1;
- to_next[0] = eb->buffer_index;
- vlib_put_frame_to_node(vm, em->ip4_lookup_node_index, nf);
- return(1);
-
-}
-
-#endif /* __included_ioam_export_h__ */
*/
#include <vnet/api_errno.h>
#include <vppinfra/pool.h>
-#include "ioam_export.h"
+#include <ioam/export-common/ioam_export.h>
static vlib_node_registration_t ioam_export_process_node;
-#define EXPORT_TIMEOUT (20.0)
-#define THREAD_PERIOD (30.0)
static uword
ioam_export_process (vlib_main_t * vm,
vlib_node_runtime_t * rt, vlib_frame_t * f)
{
- ioam_export_main_t *em = &ioam_export_main;
- f64 now;
- f64 timeout = 30.0;
- uword event_type;
- uword *event_data = 0;
- int i;
- ioam_export_buffer_t *eb = 0, *new_eb = 0;
- u32 *vec_buffer_indices = 0;
- u32 *vec_buffer_to_be_sent = 0;
- u32 *thread_index = 0;
- u32 new_pool_index = 0;
-
- em->export_process_node_index = ioam_export_process_node.index;
- /* Wait for Godot... */
- vlib_process_wait_for_event_or_clock (vm, 1e9);
- event_type = vlib_process_get_events (vm, &event_data);
- if (event_type != 1)
- clib_warning ("bogus kickoff event received, %d", event_type);
- vec_reset_length (event_data);
-
- while (1)
- {
- vlib_process_wait_for_event_or_clock (vm, timeout);
- event_type = vlib_process_get_events (vm, &event_data);
- switch (event_type)
- {
- case 2: /* Stop and Wait for kickoff again */
- timeout = 1e9;
- break;
- case 1: /* kickoff : Check for unsent buffers */
- timeout = THREAD_PERIOD;
- break;
- case ~0: /* timeout */
- break;
- }
- vec_reset_length (event_data);
- now = vlib_time_now (vm);
- /*
- * Create buffers for threads that are not active enough
- * to send out the export records
- */
- for (i = 0; i < vec_len (em->buffer_per_thread); i++)
- {
- /* If the worker thread is processing export records ignore further checks */
- if (*em->lockp[i] == 1)
- continue;
- eb = pool_elt_at_index (em->buffer_pool, em->buffer_per_thread[i]);
- if (eb->records_in_this_buffer > 0 && now > (eb->touched_at + EXPORT_TIMEOUT))
- {
- pool_get_aligned (em->buffer_pool, new_eb,
- CLIB_CACHE_LINE_BYTES);
- memset (new_eb, 0, sizeof (*new_eb));
- if (ioam_export_init_buffer (vm, new_eb) == 1)
- {
- new_pool_index = new_eb - em->buffer_pool;
- vec_add (vec_buffer_indices, &new_pool_index, 1);
- vec_add (vec_buffer_to_be_sent, &em->buffer_per_thread[i],
- 1);
- vec_add (thread_index, &i, 1);
- }
- else
- {
- pool_put (em->buffer_pool, new_eb);
- /*Give up */
- goto CLEANUP;
- }
- }
- }
- if (vec_len (thread_index) != 0)
- {
- /*
- * Now swap the buffers out
- */
- for (i = 0; i < vec_len (thread_index); i++)
- {
- while (__sync_lock_test_and_set (em->lockp[thread_index[i]], 1))
- ;
- em->buffer_per_thread[thread_index[i]] =
- vec_pop (vec_buffer_indices);
- *em->lockp[thread_index[i]] = 0;
- }
-
- /* Send the buffers */
- for (i = 0; i < vec_len (vec_buffer_to_be_sent); i++)
- {
- eb =
- pool_elt_at_index (em->buffer_pool, vec_buffer_to_be_sent[i]);
- ioam_export_send_buffer (vm, eb);
- pool_put (em->buffer_pool, eb);
- }
- }
-
- CLEANUP:
- /* Free any leftover/unused buffers and everything that was allocated */
- for (i = 0; i < vec_len (vec_buffer_indices); i++)
- {
- new_eb = pool_elt_at_index (em->buffer_pool, vec_buffer_indices[i]);
- vlib_buffer_free (vm, &new_eb->buffer_index, 1);
- pool_put (em->buffer_pool, new_eb);
- }
- vec_free (vec_buffer_indices);
- vec_free (vec_buffer_to_be_sent);
- vec_free (thread_index);
- }
- return 0; /* not so much */
+ return (ioam_export_process_common(&ioam_export_main,
+ vm, rt, f,
+ ioam_export_process_node.index));
}
VLIB_REGISTER_NODE (ioam_export_process_node, static) =
#include <vnet/pg/pg.h>
#include <vppinfra/error.h>
#include <vnet/ip/ip.h>
-#include <ioam/export/ioam_export.h>
+#include <ioam/export-common/ioam_export.h>
typedef struct
{
vlib_node_runtime_t * node, vlib_frame_t * frame)
{
ioam_export_main_t *em = &ioam_export_main;
- u32 n_left_from, *from, *to_next;
- export_next_t next_index;
- u32 pkts_recorded = 0;
- ioam_export_buffer_t *my_buf = 0;
- vlib_buffer_t *eb0 = 0;
- u32 ebi0 = 0;
- from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors;
- next_index = node->cached_next_index;
-
- while (__sync_lock_test_and_set (em->lockp[vm->cpu_index], 1))
- ;
- my_buf = ioam_export_get_my_buffer (vm->cpu_index);
- my_buf->touched_at = vlib_time_now (vm);
- 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 next0 = EXPORT_NEXT_POP_HBYH;
- u32 next1 = EXPORT_NEXT_POP_HBYH;
- u32 bi0, bi1;
- ip6_header_t *ip60, *ip61;
- vlib_buffer_t *p0, *p1;
- u32 ip_len0, ip_len1;
-
- /* 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);
-
- /* IPv6 + HbyH header + Trace option */
- /* 40 + 2 + [4 hdr] + [16]* no_of_nodes */
- /* 3 cache lines can get v6 hdr + trace option with upto 9 node trace */
- CLIB_PREFETCH (p2->data, 3 * CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (p3->data, 3 * CLIB_CACHE_LINE_BYTES, LOAD);
- }
-
- /* speculatively enqueue p0 and p1 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;
-
- p0 = vlib_get_buffer (vm, bi0);
- p1 = vlib_get_buffer (vm, bi1);
-
- ip60 = vlib_buffer_get_current (p0);
- ip61 = vlib_buffer_get_current (p1);
-
- ip_len0 =
- clib_net_to_host_u16 (ip60->payload_length) +
- sizeof (ip6_header_t);
- ip_len1 =
- clib_net_to_host_u16 (ip61->payload_length) +
- sizeof (ip6_header_t);
-
- ebi0 = my_buf->buffer_index;
- eb0 = vlib_get_buffer (vm, ebi0);
- if (PREDICT_FALSE (eb0 == 0))
- goto NO_BUFFER1;
-
- ip_len0 =
- ip_len0 > DEFAULT_EXPORT_SIZE ? DEFAULT_EXPORT_SIZE : ip_len0;
- ip_len1 =
- ip_len1 > DEFAULT_EXPORT_SIZE ? DEFAULT_EXPORT_SIZE : ip_len1;
-
- copy3cachelines (eb0->data + eb0->current_length, ip60, ip_len0);
- eb0->current_length += DEFAULT_EXPORT_SIZE;
- /* To maintain uniform size per export, each
- * record is default size, ip6 hdr can be
- * used to parse the record correctly
- */
- my_buf->records_in_this_buffer++;
- /* if number of buf exceeds max that fits in a MTU sized buffer
- * ship it to the queue and pick new one
- */
- if (my_buf->records_in_this_buffer >= DEFAULT_EXPORT_RECORDS)
- {
- ioam_export_send_buffer (vm, my_buf);
- ioam_export_init_buffer (vm, my_buf);
- }
-
- ebi0 = my_buf->buffer_index;
- eb0 = vlib_get_buffer (vm, ebi0);
- if (PREDICT_FALSE (eb0 == 0))
- goto NO_BUFFER1;
-
- copy3cachelines (eb0->data + eb0->current_length, ip61, ip_len1);
- eb0->current_length += DEFAULT_EXPORT_SIZE;
- my_buf->records_in_this_buffer++;
- if (my_buf->records_in_this_buffer >= DEFAULT_EXPORT_RECORDS)
- {
- ioam_export_send_buffer (vm, my_buf);
- ioam_export_init_buffer (vm, my_buf);
- }
-
- pkts_recorded += 2;
-
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (p0->flags & VLIB_BUFFER_IS_TRACED)
- {
- export_trace_t *t =
- vlib_add_trace (vm, node, p0, sizeof (*t));
- t->flow_label =
- clib_net_to_host_u32 (ip60->
- ip_version_traffic_class_and_flow_label);
- t->next_index = next0;
- }
- if (p1->flags & VLIB_BUFFER_IS_TRACED)
- {
- export_trace_t *t =
- vlib_add_trace (vm, node, p1, sizeof (*t));
- t->flow_label =
- clib_net_to_host_u32 (ip61->
- ip_version_traffic_class_and_flow_label);
- t->next_index = next1;
- }
- }
- NO_BUFFER1:
- /* 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 *p0;
- u32 next0 = EXPORT_NEXT_POP_HBYH;
- ip6_header_t *ip60;
- u32 ip_len0;
-
- /* speculatively enqueue p0 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;
-
- p0 = vlib_get_buffer (vm, bi0);
- ip60 = vlib_buffer_get_current (p0);
- ip_len0 =
- clib_net_to_host_u16 (ip60->payload_length) +
- sizeof (ip6_header_t);
-
- ebi0 = my_buf->buffer_index;
- eb0 = vlib_get_buffer (vm, ebi0);
- if (PREDICT_FALSE (eb0 == 0))
- goto NO_BUFFER;
-
- ip_len0 =
- ip_len0 > DEFAULT_EXPORT_SIZE ? DEFAULT_EXPORT_SIZE : ip_len0;
- copy3cachelines (eb0->data + eb0->current_length, ip60, ip_len0);
- eb0->current_length += DEFAULT_EXPORT_SIZE;
- /* To maintain uniform size per export, each
- * record is default size, ip6 hdr can be
- * used to parse the record correctly
- */
- my_buf->records_in_this_buffer++;
- /* if number of buf exceeds max that fits in a MTU sized buffer
- * ship it to the queue and pick new one
- */
- if (my_buf->records_in_this_buffer >= DEFAULT_EXPORT_RECORDS)
- {
- ioam_export_send_buffer (vm, my_buf);
- ioam_export_init_buffer (vm, my_buf);
- }
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
- && (p0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- export_trace_t *t = vlib_add_trace (vm, node, p0, sizeof (*t));
- t->flow_label =
- clib_net_to_host_u32 (ip60->
- ip_version_traffic_class_and_flow_label);
- t->next_index = next0;
- }
-
- pkts_recorded += 1;
- NO_BUFFER:
- /* 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, export_node.index,
- EXPORT_ERROR_RECORDED, pkts_recorded);
- *em->lockp[vm->cpu_index] = 0;
+ ioam_export_node_common(em, vm, node, frame, ip6_header_t, payload_length,
+ ip_version_traffic_class_and_flow_label,
+ EXPORT_NEXT_POP_HBYH);
return frame->n_vectors;
}
int rv = 0;
vl_api_trace_profile_add_reply_t *rmp;
trace_profile *profile = NULL;
- u8 *name = 0;
profile = trace_profile_find ();
if (profile)
rv = -3;
}
ERROROUT:
- vec_free (name);
TRACE_REPLY_MACRO (VL_API_TRACE_PROFILE_ADD_REPLY);
}
trace_main_t trace_main;
-extern ip6_hop_by_hop_ioam_main_t ip6_hop_by_hop_ioam_main;
-
static int
trace_profile_cleanup (trace_profile * profile)
{
- int rv;
- ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
memset (profile, 0, sizeof (trace_profile));
profile->trace_tsp = TSP_MICROSECONDS; /* Micro seconds */
- hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] = 0;
- if (0 !=
- (rv =
- ip6_ioam_set_rewrite (&hm->rewrite, hm->has_trace_option,
- hm->has_pot_option, hm->has_seqno_option)))
- return (-1);
+ ip6_trace_profile_cleanup (); /* lib-trace_TODO: Remove this once IOAM-IPv6 transport is a plugin */
return 0;
}
trace_profile_create (trace_profile * profile, u8 trace_type, u8 num_elts,
u32 trace_tsp, u32 node_id, u32 app_data)
{
- u32 trace_size = 0;
- int rv;
- ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
+ if (!trace_type || !num_elts || !(node_id))
+ {
+ return (-1);
+ }
if (profile && !profile->valid)
{
//rv = trace_profile_cleanup (profile);
profile->app_data = app_data;
profile->valid = 1;
- if (ioam_trace_get_sizeof_handler (&trace_size) < 0)
- return (-1);
-
- hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] = trace_size;
-
- if (hm->has_trace_option)
- {
- if (0 !=
- (rv =
- ip6_ioam_set_rewrite (&hm->rewrite, hm->has_trace_option,
- hm->has_pot_option,
- hm->has_seqno_option)))
- return (-1);
-
- }
+ /* lib-trace_TODO: Remove this once IOAM-IPv6 transport is a plugin */
+ ip6_trace_profile_setup ();
return (0);
}
#ifndef include_vnet_trace_util_h
#define include_vnet_trace_util_h
-#include <vnet/ip/ip6_hop_by_hop.h>
#define debug_ioam debug_ioam_fn
/*
- * Find a trace profile by ID
+ * Find a trace profile
*/
-always_inline trace_profile *trace_profile_find (void);
always_inline trace_profile *
trace_profile_find (void)
} ioam_trace_ts_app_t;
-/* *INDENT-OFF* */
-typedef CLIB_PACKED(struct {
- ip6_hop_by_hop_option_t hdr;
- u8 ioam_trace_type;
- u8 data_list_elts_left;
- u32 elts[0]; /* Variable type. So keep it generic */
-}) ioam_trace_option_t;
-/* *INDENT-ON* */
-
static inline u8
fetch_trace_data_size (u8 trace_type)
}
int ioam_trace_get_sizeof_handler (u32 * result);
+int ip6_trace_profile_setup (void);
+int ip6_trace_profile_cleanup (void);
+
+#define TSP_SECONDS 0
+#define TSP_MILLISECONDS 1
+#define TSP_MICROSECONDS 2
+#define TSP_NANOSECONDS 3
+
#endif
/*
--- /dev/null
+/*
+ * Copyright (c) 2015 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 <vppinfra/error.h>
+#include <vppinfra/hash.h>
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/vxlan-gpe/vxlan_gpe.h>
+#include <vnet/vxlan-gpe/vxlan_gpe.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam_packet.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam_util.h>
+
+/* Statistics (not really errors) */
+#define foreach_vxlan_gpe_decap_ioam_v4_error \
+_(DECAPSULATED, "good packets decapsulated")
+
+static char *vxlan_gpe_decap_ioam_v4_error_strings[] = {
+#define _(sym,string) string,
+ foreach_vxlan_gpe_decap_ioam_v4_error
+#undef _
+};
+
+typedef enum
+{
+#define _(sym,str) VXLAN_GPE_DECAP_IOAM_V4_ERROR_##sym,
+ foreach_vxlan_gpe_decap_ioam_v4_error
+#undef _
+ VXLAN_GPE_DECAP_IOAM_V4_N_ERROR,
+} vxlan_gpe_decap_ioam_v4_error_t;
+
+
+always_inline void
+vxlan_gpe_decap_ioam_v4_two_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vxlan_gpe_main_t * ngm,
+ vlib_buffer_t * b0, vlib_buffer_t * b1,
+ u32 * next0, u32 * next1)
+{
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ next0[0] = next1[0] = hm->decap_v4_next_override;
+ vxlan_gpe_encap_decap_ioam_v4_one_inline (vm, node, ngm, b0, &next0[0],
+ VXLAN_GPE_DECAP_IOAM_V4_NEXT_DROP,
+ 0 /* use_adj */ );
+ vxlan_gpe_encap_decap_ioam_v4_one_inline (vm, node, ngm, b1, &next0[1],
+ VXLAN_GPE_DECAP_IOAM_V4_NEXT_DROP,
+ 0 /* use_adj */ );
+}
+
+
+
+static uword
+vxlan_gpe_decap_ioam (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame, u8 is_ipv6)
+{
+ u32 n_left_from, next_index, *from, *to_next;
+ vxlan_gpe_main_t *ngm = &vxlan_gpe_main;
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ from = vlib_frame_vector_args (from_frame);
+ n_left_from = 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;
+
+ next0 = next1 = hm->decap_v4_next_override;
+
+ /* 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, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (p3->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
+ }
+
+ bi0 = from[0];
+ bi1 = from[1];
+ to_next[0] = bi0;
+ to_next[1] = bi1;
+ from += 2;
+ to_next += 2;
+ n_left_to_next -= 2;
+ n_left_from -= 2;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
+
+
+ vlib_buffer_advance (b0,
+ -(word) (sizeof (udp_header_t) +
+ sizeof (ip4_header_t) +
+ sizeof (vxlan_gpe_header_t)));
+ vlib_buffer_advance (b1,
+ -(word) (sizeof (udp_header_t) +
+ sizeof (ip4_header_t) +
+ sizeof (vxlan_gpe_header_t)));
+
+ vxlan_gpe_decap_ioam_v4_two_inline (vm, node, ngm, b0, b1,
+ &next0, &next1);
+
+
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
+ n_left_to_next, bi0, bi1, next0,
+ next1);
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ vxlan_gpe_ioam_v4_trace_t *tr = vlib_add_trace (vm, node, b0,
+ sizeof (*tr));
+ }
+ }
+
+ while (n_left_from > 0 && n_left_to_next > 0)
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0 = hm->decap_v4_next_override;
+
+ 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);
+
+
+ vlib_buffer_advance (b0,
+ -(word) (sizeof (udp_header_t) +
+ sizeof (ip4_header_t) +
+ sizeof (vxlan_gpe_header_t)));
+
+ next0 = hm->decap_v4_next_override;
+ vxlan_gpe_encap_decap_ioam_v4_one_inline (vm, node, ngm, b0,
+ &next0,
+ VXLAN_GPE_DECAP_IOAM_V4_NEXT_DROP,
+ 0 /* use_adj */ );
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ vxlan_gpe_ioam_v4_trace_t *tr = vlib_add_trace (vm, node, b0,
+ sizeof (*tr));
+ }
+ 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 from_frame->n_vectors;
+}
+
+
+static uword
+vxlan_gpe_decap_ioam_v4 (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return vxlan_gpe_decap_ioam (vm, node, from_frame, 0);
+}
+
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (vxlan_gpe_decap_ioam_v4_node) = {
+ .function = vxlan_gpe_decap_ioam_v4,
+ .name = "vxlan-gpe-decap-ioam-v4",
+ .vector_size = sizeof (u32),
+ .format_trace = format_vxlan_gpe_ioam_v4_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = ARRAY_LEN(vxlan_gpe_decap_ioam_v4_error_strings),
+ .error_strings = vxlan_gpe_decap_ioam_v4_error_strings,
+
+ .n_next_nodes = VXLAN_GPE_DECAP_IOAM_V4_N_NEXT,
+
+ .next_nodes = {
+ [VXLAN_GPE_DECAP_IOAM_V4_NEXT_POP] = "vxlan-gpe-pop-ioam-v4",
+ [VXLAN_GPE_DECAP_IOAM_V4_NEXT_DROP] = "error-drop",
+ },
+};
+/* *INDENT-ON* */
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * Copyright (c) 2015 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 <vppinfra/error.h>
+#include <vppinfra/hash.h>
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/vxlan-gpe/vxlan_gpe.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam_packet.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam_util.h>
+
+/* Statistics (not really errors) */
+#define foreach_vxlan_gpe_encap_ioam_v4_error \
+_(ENCAPSULATED, "good packets encapsulated")
+
+static char *vxlan_gpe_encap_ioam_v4_error_strings[] = {
+#define _(sym,string) string,
+ foreach_vxlan_gpe_encap_ioam_v4_error
+#undef _
+};
+
+typedef enum
+{
+#define _(sym,str) VXLAN_GPE_ENCAP_IOAM_V4_ERROR_##sym,
+ foreach_vxlan_gpe_encap_ioam_v4_error
+#undef _
+ VXLAN_GPE_ENCAP_IOAM_V4_N_ERROR,
+} vxlan_gpe_encap_ioam_v4_error_t;
+
+typedef enum
+{
+ VXLAN_GPE_ENCAP_IOAM_V4_NEXT_IP4_LOOKUP,
+ VXLAN_GPE_ENCAP_IOAM_V4_NEXT_DROP,
+ VXLAN_GPE_ENCAP_IOAM_V4_N_NEXT
+} vxlan_gpe_encap_ioam_v4_next_t;
+
+
+always_inline void
+vxlan_gpe_encap_ioam_v4_two_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vxlan_gpe_main_t * ngm,
+ vlib_buffer_t * b0, vlib_buffer_t * b1,
+ u32 * next0, u32 * next1)
+{
+ next0[0] = next1[0] = VXLAN_GPE_ENCAP_IOAM_V4_NEXT_IP4_LOOKUP;
+ vxlan_gpe_encap_decap_ioam_v4_one_inline (vm, node, ngm, b0, next0,
+ VXLAN_GPE_ENCAP_IOAM_V4_NEXT_DROP,
+ 0 /* use_adj */ );
+ vxlan_gpe_encap_decap_ioam_v4_one_inline (vm, node, ngm, b1, next1,
+ VXLAN_GPE_ENCAP_IOAM_V4_NEXT_DROP,
+ 0 /* use_adj */ );
+}
+
+
+static uword
+vxlan_gpe_encap_ioam_v4 (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ u32 n_left_from, next_index, *from, *to_next;
+ vxlan_gpe_main_t *ngm = &vxlan_gpe_main;
+
+ from = vlib_frame_vector_args (from_frame);
+ n_left_from = 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;
+
+ next0 = next1 = VXLAN_GPE_ENCAP_IOAM_V4_NEXT_IP4_LOOKUP;
+
+ /* 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, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (p3->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
+ }
+
+ bi0 = from[0];
+ bi1 = from[1];
+ to_next[0] = bi0;
+ to_next[1] = bi1;
+ from += 2;
+ to_next += 2;
+ n_left_to_next -= 2;
+ n_left_from -= 2;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
+
+ vxlan_gpe_encap_ioam_v4_two_inline (vm, node, ngm, b0, b1,
+ &next0, &next1);
+
+
+ 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 = VXLAN_GPE_ENCAP_IOAM_V4_NEXT_IP4_LOOKUP;
+
+ 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);
+
+ vxlan_gpe_encap_decap_ioam_v4_one_inline (vm, node, ngm, b0,
+ &next0,
+ VXLAN_GPE_ENCAP_IOAM_V4_NEXT_DROP,
+ 0 /* use_adj */ );
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ vxlan_gpe_ioam_v4_trace_t *tr = vlib_add_trace (vm, node, b0,
+ sizeof (*tr));
+ }
+ 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 from_frame->n_vectors;
+}
+
+
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (vxlan_gpe_encap_ioam_v4_node) = {
+ .function = vxlan_gpe_encap_ioam_v4,
+ .name = "vxlan-gpe-encap-ioam-v4",
+ .vector_size = sizeof (u32),
+ .format_trace = format_vxlan_gpe_ioam_v4_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = ARRAY_LEN(vxlan_gpe_encap_ioam_v4_error_strings),
+ .error_strings = vxlan_gpe_encap_ioam_v4_error_strings,
+
+ .n_next_nodes = VXLAN_GPE_ENCAP_IOAM_V4_N_NEXT,
+
+ .next_nodes = {
+ [VXLAN_GPE_ENCAP_IOAM_V4_NEXT_IP4_LOOKUP] = "ip4-lookup",
+ [VXLAN_GPE_ENCAP_IOAM_V4_NEXT_DROP] = "error-drop",
+ },
+};
+/* *INDENT-ON* */
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * Copyright (c) 2015 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 <vppinfra/error.h>
+#include <vppinfra/hash.h>
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/vxlan-gpe/vxlan_gpe.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
+
+/* Statistics (not really errors) */
+#define foreach_vxlan_gpe_pop_ioam_v4_error \
+_(POPPED, "good packets popped")
+
+static char *vxlan_gpe_pop_ioam_v4_error_strings[] = {
+#define _(sym,string) string,
+ foreach_vxlan_gpe_pop_ioam_v4_error
+#undef _
+};
+
+typedef enum
+{
+#define _(sym,str) VXLAN_GPE_POP_IOAM_V4_ERROR_##sym,
+ foreach_vxlan_gpe_pop_ioam_v4_error
+#undef _
+ VXLAN_GPE_POP_IOAM_V4_N_ERROR,
+} vxlan_gpe_pop_ioam_v4_error_t;
+
+typedef struct
+{
+ ioam_trace_t fmt_trace;
+} vxlan_gpe_pop_ioam_v4_trace_t;
+
+
+u8 *
+format_vxlan_gpe_pop_ioam_v4_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 *);
+ vxlan_gpe_pop_ioam_v4_trace_t *t1
+ = va_arg (*args, vxlan_gpe_pop_ioam_v4_trace_t *);
+ ioam_trace_t *t = &(t1->fmt_trace);
+ vxlan_gpe_ioam_option_t *fmt_trace0;
+ vxlan_gpe_ioam_option_t *opt0, *limit0;
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ u8 type0;
+
+ fmt_trace0 = (vxlan_gpe_ioam_option_t *) t->option_data;
+
+ s = format (s, "VXLAN_GPE_IOAM_POP: next_index %d len %d traced %d",
+ t->next_index, fmt_trace0->length, t->trace_len);
+
+ opt0 = (vxlan_gpe_ioam_option_t *) (fmt_trace0 + 1);
+ limit0 = (vxlan_gpe_ioam_option_t *) ((u8 *) fmt_trace0) + t->trace_len;
+
+ while (opt0 < limit0)
+ {
+ type0 = opt0->type;
+ switch (type0)
+ {
+ case 0: /* Pad, just stop */
+ opt0 = (vxlan_gpe_ioam_option_t *) ((u8 *) opt0) + 1;
+ break;
+
+ default:
+ if (hm->trace[type0])
+ {
+ s = (*hm->trace[type0]) (s, opt0);
+ }
+ else
+ {
+ s =
+ format (s, "\n unrecognized option %d length %d", type0,
+ opt0->length);
+ }
+ opt0 =
+ (vxlan_gpe_ioam_option_t *) (((u8 *) opt0) + opt0->length +
+ sizeof (vxlan_gpe_ioam_option_t));
+ break;
+ }
+ }
+
+ return s;
+}
+
+always_inline void
+vxlan_gpe_ioam_pop_v4 (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_buffer_t * b0)
+{
+ ip4_header_t *ip0;
+ udp_header_t *udp_hdr0;
+ vxlan_gpe_header_t *gpe_hdr0;
+ vxlan_gpe_ioam_hdr_t *gpe_ioam0;
+
+ ip0 = vlib_buffer_get_current (b0);
+
+ udp_hdr0 = (udp_header_t *) (ip0 + 1);
+ gpe_hdr0 = (vxlan_gpe_header_t *) (udp_hdr0 + 1);
+ gpe_ioam0 = (vxlan_gpe_ioam_hdr_t *) (gpe_hdr0 + 1);
+
+ /* Pop the iOAM data */
+ vlib_buffer_advance (b0,
+ (word) (sizeof (udp_header_t) +
+ sizeof (ip4_header_t) +
+ sizeof (vxlan_gpe_header_t) +
+ gpe_ioam0->length));
+
+ return;
+}
+
+
+
+always_inline void
+vxlan_gpe_pop_ioam_v4_one_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vxlan_gpe_main_t * ngm,
+ vlib_buffer_t * b0, u32 * next0)
+{
+ CLIB_UNUSED (ip4_header_t * ip0);
+ CLIB_UNUSED (udp_header_t * udp_hdr0);
+ CLIB_UNUSED (vxlan_gpe_header_t * gpe_hdr0);
+ CLIB_UNUSED (vxlan_gpe_ioam_hdr_t * gpe_ioam0);
+ CLIB_UNUSED (vxlan_gpe_ioam_option_t * opt0);
+ CLIB_UNUSED (vxlan_gpe_ioam_option_t * limit0);
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+
+ /* Pop the iOAM header */
+ ip0 = vlib_buffer_get_current (b0);
+ udp_hdr0 = (udp_header_t *) (ip0 + 1);
+ gpe_hdr0 = (vxlan_gpe_header_t *) (udp_hdr0 + 1);
+ gpe_ioam0 = (vxlan_gpe_ioam_hdr_t *) (gpe_hdr0 + 1);
+ opt0 = (vxlan_gpe_ioam_option_t *) (gpe_ioam0 + 1);
+ limit0 = (vxlan_gpe_ioam_option_t *) ((u8 *) gpe_ioam0 + gpe_ioam0->length);
+
+ /*
+ * Basic validity checks
+ */
+ if (gpe_ioam0->length > clib_net_to_host_u16 (ip0->length))
+ {
+ next0[0] = VXLAN_GPE_INPUT_NEXT_DROP;
+ goto trace00;
+ }
+
+ /* Scan the set of h-b-h options, process ones that we understand */
+ while (opt0 < limit0)
+ {
+ u8 type0;
+ type0 = opt0->type;
+ switch (type0)
+ {
+ case 0: /* Pad1 */
+ opt0 = (vxlan_gpe_ioam_option_t *) ((u8 *) opt0) + 1;
+ continue;
+ case 1: /* PadN */
+ break;
+ default:
+ if (hm->pop_options[type0])
+ {
+ if ((*hm->pop_options[type0]) (ip0, opt0) < 0)
+ {
+ next0[0] = VXLAN_GPE_INPUT_NEXT_DROP;
+ goto trace00;
+ }
+ }
+ break;
+ }
+ opt0 =
+ (vxlan_gpe_ioam_option_t *) (((u8 *) opt0) + opt0->length +
+ sizeof (vxlan_gpe_ioam_hdr_t));
+ }
+
+
+ next0[0] =
+ (gpe_ioam0->protocol < VXLAN_GPE_PROTOCOL_MAX) ?
+ ngm->
+ decap_next_node_list[gpe_ioam0->protocol] : VXLAN_GPE_INPUT_NEXT_DROP;
+
+trace00:
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ vxlan_gpe_pop_ioam_v4_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ u32 trace_len = gpe_ioam0->length;
+ t->fmt_trace.next_index = next0[0];
+ /* Capture the h-b-h option verbatim */
+ trace_len =
+ trace_len <
+ ARRAY_LEN (t->fmt_trace.
+ option_data) ? trace_len : ARRAY_LEN (t->fmt_trace.
+ option_data);
+ t->fmt_trace.trace_len = trace_len;
+ clib_memcpy (&(t->fmt_trace.option_data), gpe_ioam0, trace_len);
+ }
+
+ /* Remove the iOAM header inside the VxLAN-GPE header */
+ vxlan_gpe_ioam_pop_v4 (vm, node, b0);
+ return;
+}
+
+always_inline void
+vxlan_gpe_pop_ioam_v4_two_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vxlan_gpe_main_t * ngm,
+ vlib_buffer_t * b0, vlib_buffer_t * b1,
+ u32 * next0, u32 * next1)
+{
+
+ vxlan_gpe_pop_ioam_v4_one_inline (vm, node, ngm, b0, next0);
+ vxlan_gpe_pop_ioam_v4_one_inline (vm, node, ngm, b1, next1);
+}
+
+
+
+static uword
+vxlan_gpe_pop_ioam (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame, u8 is_ipv6)
+{
+ u32 n_left_from, next_index, *from, *to_next;
+ vxlan_gpe_main_t *ngm = &vxlan_gpe_main;
+
+ from = vlib_frame_vector_args (from_frame);
+ n_left_from = 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;
+
+ /* 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, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (p3->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
+ }
+
+ bi0 = from[0];
+ bi1 = from[1];
+ to_next[0] = bi0;
+ to_next[1] = bi1;
+ from += 2;
+ to_next += 2;
+ n_left_to_next -= 2;
+ n_left_from -= 2;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
+
+ vxlan_gpe_pop_ioam_v4_two_inline (vm, node, ngm, b0, b1, &next0,
+ &next1);
+
+
+ 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;
+
+ 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);
+
+ vxlan_gpe_pop_ioam_v4_one_inline (vm, node, ngm, b0, &next0);
+
+
+ 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 from_frame->n_vectors;
+}
+
+
+static uword
+vxlan_gpe_pop_ioam_v4 (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+{
+ return vxlan_gpe_pop_ioam (vm, node, from_frame, 0);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (vxlan_gpe_pop_ioam_v4_node) = {
+ .function = vxlan_gpe_pop_ioam_v4,
+ .name = "vxlan-gpe-pop-ioam-v4",
+ .vector_size = sizeof (u32),
+ .format_trace = format_vxlan_gpe_pop_ioam_v4_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = ARRAY_LEN(vxlan_gpe_pop_ioam_v4_error_strings),
+ .error_strings = vxlan_gpe_pop_ioam_v4_error_strings,
+
+ .n_next_nodes = VXLAN_GPE_INPUT_N_NEXT,
+
+ .next_nodes = {
+#define _(s,n) [VXLAN_GPE_INPUT_NEXT_##s] = n,
+ foreach_vxlan_gpe_input_next
+#undef _
+ },
+};
+/* *INDENT-ON* */
+
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/* 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.
+ */
+
+
+/** \brief iOAM Over VxLAN-GPE - Set iOAM transport for VxLAN-GPE
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param id - profile id
+ @param trace_ppc - Trace PPC (none/encap/decap)
+ @param pow_enable - Proof of Work enabled or not flag
+ @param trace_enable - iOAM Trace enabled or not flag
+
+*/
+define vxlan_gpe_ioam_enable {
+ u32 client_index;
+ u32 context;
+ u16 id;
+ u8 trace_ppc;
+ u8 pow_enable;
+ u8 trace_enable;
+};
+
+/** \brief iOAM Over VxLAN-GPE - Set iOAM transport for VXLAN-GPE reply
+ @param context - sender context, to match reply w/ request
+ @param retval - return value for request
+*/
+define vxlan_gpe_ioam_enable_reply {
+ u32 context;
+ i32 retval;
+};
+
+
+/** \brief iOAM for VxLAN-GPE disable
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param id - profile id
+*/
+define vxlan_gpe_ioam_disable
+{
+ u32 client_index;
+ u32 context;
+ u16 id;
+};
+
+/** \brief vxlan_gpe_ioam disable response
+ @param context - sender context, to match reply w/ request
+ @param retval - return value for request
+*/
+define vxlan_gpe_ioam_disable_reply
+{
+ u32 context;
+ i32 retval;
+};
+
+/** \brief Enable iOAM for a VNI (VXLAN-GPE)
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param vni - VXLAN-GPE VNI
+ @param local - IPv4/6 Address of the local VTEP
+ @param remote - IPv4/6 Address of the remote VTEP
+
+*/
+define vxlan_gpe_ioam_vni_enable {
+ u32 client_index;
+ u32 context;
+ u32 vni;
+ u8 local[16];
+ u8 remote[16];
+ u8 is_ipv6;
+};
+
+/** \brief Reply to enable iOAM for a VNI (VXLAN-GPE)
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param retval - return value for request
+
+*/
+define vxlan_gpe_ioam_vni_enable_reply {
+ u32 client_index;
+ u32 context;
+ i32 retval;
+};
+
+/** \brief Disable iOAM for a VNI (VXLAN-GPE)
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param vni - VXLAN-GPE VNI
+ @param local - IPv4/6 Address of the local VTEP
+ @param remote - IPv4/6 Address of the remote VTEP
+
+*/
+define vxlan_gpe_ioam_vni_disable {
+ u32 client_index;
+ u32 context;
+ u32 vni;
+ u8 local[16];
+ u8 remote[16];
+ u8 is_ipv6;
+};
+
+/** \brief Reply to disable iOAM for a VNI (VXLAN-GPE)
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param retval - return value for request
+
+*/
+define vxlan_gpe_ioam_vni_disable_reply {
+ u32 client_index;
+ u32 context;
+ i32 retval;
+};
+
+
--- /dev/null
+/*
+ * 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 the generated file, see BUILT_SOURCES in Makefile.am */
+#include <ioam/lib-vxlan-gpe/vxlan_gpe.api.h>
--- /dev/null
+/*
+ * 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.
+ */
+/*
+ *------------------------------------------------------------------
+ * vxlan_gpe_api.c - iOAM VxLAN-GPE related APIs to create
+ * and maintain profiles
+ *------------------------------------------------------------------
+ */
+
+#include <vnet/vnet.h>
+#include <vnet/plugin/plugin.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vlibsocket/api.h>
+
+/* define message IDs */
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
+#undef vl_typedefs
+
+/* define generated endian-swappers */
+#define vl_endianfun
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
+#undef vl_api_version
+
+/*
+ * A handy macro to set up a message reply.
+ * Assumes that the following variables are available:
+ * mp - pointer to request message
+ * rmp - pointer to reply message type
+ * rv - return value
+ */
+
+#define VXLAN_GPE_REPLY_MACRO(t) \
+do { \
+ unix_shared_memory_queue_t * q = \
+ vl_api_client_index_to_input_queue (mp->client_index); \
+ if (!q) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc (sizeof (*rmp)); \
+ rmp->_vl_msg_id = ntohs((t)+sm->msg_id_base); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ \
+ vl_msg_api_send_shmem (q, (u8 *)&rmp); \
+} while(0);
+
+/* *INDENT-OFF* */
+#define VXLAN_GPE_REPLY_MACRO2(t, body) \
+do { \
+ unix_shared_memory_queue_t * q; \
+ rv = vl_msg_api_pd_handler (mp, rv); \
+ q = vl_api_client_index_to_input_queue (mp->client_index); \
+ if (!q) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc (sizeof (*rmp)); \
+ rmp->_vl_msg_id = ntohs((t)); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ do {body;} while (0); \
+ vl_msg_api_send_shmem (q, (u8 *)&rmp); \
+} while(0);
+/* *INDENT-ON* */
+
+/* List of message types that this plugin understands */
+
+#define foreach_vxlan_gpe_plugin_api_msg \
+_(VXLAN_GPE_IOAM_ENABLE, vxlan_gpe_ioam_enable) \
+_(VXLAN_GPE_IOAM_DISABLE, vxlan_gpe_ioam_disable) \
+_(VXLAN_GPE_IOAM_VNI_ENABLE, vxlan_gpe_ioam_vni_enable) \
+_(VXLAN_GPE_IOAM_VNI_DISABLE, vxlan_gpe_ioam_vni_disable) \
+
+
+static void vl_api_vxlan_gpe_ioam_enable_t_handler
+ (vl_api_vxlan_gpe_ioam_enable_t * mp)
+{
+ int rv = 0;
+ vl_api_vxlan_gpe_ioam_enable_reply_t *rmp;
+ clib_error_t *error;
+ vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
+
+ /* Ignoring the profile id as currently a single profile
+ * is supported */
+ error =
+ vxlan_gpe_ioam_enable (mp->trace_enable, mp->pow_enable, mp->trace_ppc);
+ if (error)
+ {
+ clib_error_report (error);
+ rv = clib_error_get_code (error);
+ }
+
+ VXLAN_GPE_REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_ENABLE_REPLY);
+}
+
+static void vl_api_vxlan_gpe_ioam_disable_t_handler
+ (vl_api_vxlan_gpe_ioam_disable_t * mp)
+{
+ int rv = 0;
+ vl_api_vxlan_gpe_ioam_disable_reply_t *rmp;
+ clib_error_t *error;
+ vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
+
+ /* Ignoring the profile id as currently a single profile
+ * is supported */
+ error = vxlan_gpe_ioam_disable (0, 0, 0);
+ if (error)
+ {
+ clib_error_report (error);
+ rv = clib_error_get_code (error);
+ }
+
+ VXLAN_GPE_REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_DISABLE_REPLY);
+}
+
+static void vl_api_vxlan_gpe_ioam_vni_enable_t_handler
+ (vl_api_vxlan_gpe_ioam_vni_enable_t * mp)
+{
+ int rv = 0;
+ vl_api_vxlan_gpe_ioam_vni_enable_reply_t *rmp;
+ clib_error_t *error;
+ vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
+ vxlan4_gpe_tunnel_key_t key4;
+ uword *p = NULL;
+ vxlan_gpe_main_t *gm = &vxlan_gpe_main;
+ vxlan_gpe_tunnel_t *t = 0;
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+ u32 vni;
+
+
+ if (!mp->is_ipv6)
+ {
+ clib_memcpy (&key4.local, &mp->local, sizeof (key4.local));
+ clib_memcpy (&key4.remote, &mp->remote, sizeof (key4.remote));
+ vni = clib_net_to_host_u32 (mp->vni);
+ key4.vni = clib_host_to_net_u32 (vni << 8);
+ key4.pad = 0;
+
+ p = hash_get_mem (gm->vxlan4_gpe_tunnel_by_key, &key4);
+ }
+ else
+ {
+ return;
+ }
+
+ if (!p)
+ return;
+
+ t = pool_elt_at_index (gm->tunnels, p[0]);
+
+ error = vxlan_gpe_ioam_set (t, hm->has_trace_option,
+ hm->has_pot_option,
+ hm->has_ppc_option, mp->is_ipv6);
+
+
+ if (error)
+ {
+ clib_error_report (error);
+ rv = clib_error_get_code (error);
+ }
+
+ VXLAN_GPE_REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_VNI_ENABLE_REPLY);
+}
+
+
+static void vl_api_vxlan_gpe_ioam_vni_disable_t_handler
+ (vl_api_vxlan_gpe_ioam_vni_disable_t * mp)
+{
+ int rv = 0;
+ vl_api_vxlan_gpe_ioam_vni_enable_reply_t *rmp;
+ clib_error_t *error;
+ vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
+ vxlan4_gpe_tunnel_key_t key4;
+ uword *p = NULL;
+ vxlan_gpe_main_t *gm = &vxlan_gpe_main;
+ vxlan_gpe_tunnel_t *t = 0;
+ u32 vni;
+
+
+ if (!mp->is_ipv6)
+ {
+ clib_memcpy (&key4.local, &mp->local, sizeof (key4.local));
+ clib_memcpy (&key4.remote, &mp->remote, sizeof (key4.remote));
+ vni = clib_net_to_host_u32 (mp->vni);
+ key4.vni = clib_host_to_net_u32 (vni << 8);
+ key4.pad = 0;
+
+ p = hash_get_mem (gm->vxlan4_gpe_tunnel_by_key, &key4);
+ }
+ else
+ {
+ return;
+ }
+
+ if (!p)
+ return;
+
+ t = pool_elt_at_index (gm->tunnels, p[0]);
+
+ error = vxlan_gpe_ioam_clear (t, 0, 0, 0, 0);
+
+
+ if (error)
+ {
+ clib_error_report (error);
+ rv = clib_error_get_code (error);
+ }
+
+
+ VXLAN_GPE_REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_VNI_DISABLE_REPLY);
+}
+
+/*
+ * This routine exists to convince the vlib plugin framework that
+ * we haven't accidentally copied a random .dll into the plugin directory.
+ *
+ * Also collects global variable pointers passed from the vpp engine
+ */
+
+clib_error_t *
+vlib_plugin_register (vlib_main_t * vm, vnet_plugin_handoff_t * h,
+ int from_early_init)
+{
+ vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
+ clib_error_t *error = 0;
+
+ sm->vlib_main = vm;
+ sm->vnet_main = h->vnet_main;
+ return error;
+}
+
+/* Set up the API message handling tables */
+static clib_error_t *
+vxlan_gpe_plugin_api_hookup (vlib_main_t * vm)
+{
+ vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
+ #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vxlan_gpe_plugin_api_msg;
+#undef _
+
+ return 0;
+}
+
+static clib_error_t *
+vxlan_gpe_init (vlib_main_t * vm)
+{
+ vxlan_gpe_ioam_main_t *sm = &vxlan_gpe_ioam_main;
+ clib_error_t *error = 0;
+ u8 *name;
+ u32 encap_node_index = vxlan_gpe_encap_ioam_v4_node.index;
+ u32 decap_node_index = vxlan_gpe_decap_ioam_v4_node.index;
+ vlib_node_t *vxlan_gpe_encap_node = NULL;
+ vlib_node_t *vxlan_gpe_decap_node = NULL;
+ uword next_node = 0;
+
+ name = format (0, "ioam_vxlan_gpe_%08x%c", api_version, 0);
+
+ /* Ask for a correctly-sized block of API message decode slots */
+ sm->msg_id_base = vl_msg_api_get_msg_ids
+ ((char *) name, VL_MSG_FIRST_AVAILABLE);
+
+ error = vxlan_gpe_plugin_api_hookup (vm);
+
+ /* Hook the ioam-encap node to vxlan-gpe-encap */
+ vxlan_gpe_encap_node = vlib_get_node_by_name (vm, (u8 *) "vxlan-gpe-encap");
+ sm->encap_v4_next_node =
+ vlib_node_add_next (vm, vxlan_gpe_encap_node->index, encap_node_index);
+
+ vxlan_gpe_decap_node =
+ vlib_get_node_by_name (vm, (u8 *) "vxlan4-gpe-input");
+ next_node =
+ vlib_node_add_next (vm, vxlan_gpe_decap_node->index, decap_node_index);
+ vxlan_gpe_register_decap_protocol (VXLAN_GPE_PROTOCOL_IOAM, next_node);
+
+ vec_free (name);
+
+ return error;
+}
+
+VLIB_INIT_FUNCTION (vxlan_gpe_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * 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/vxlan-gpe/vxlan_gpe.h>
+#include <vnet/vxlan-gpe/vxlan_gpe_packet.h>
+#include <vnet/ip/format.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
+
+vxlan_gpe_ioam_main_t vxlan_gpe_ioam_main;
+
+int
+vxlan_gpe_ioam_set_rewrite (vxlan_gpe_tunnel_t * t, int has_trace_option,
+ int has_pot_option, int has_ppc_option,
+ u8 ipv6_set)
+{
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+ u32 size;
+ vxlan_gpe_ioam_hdr_t *vxlan_gpe_ioam_hdr;
+ u8 *current;
+ u8 trace_data_size = 0;
+ u8 pot_data_size = 0;
+
+ if (has_trace_option == 0 && has_pot_option == 0)
+ return -1;
+
+ /* Work out how much space we need */
+ size = sizeof (vxlan_gpe_ioam_hdr_t);
+
+ if (has_trace_option
+ && hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_TRACE] != 0)
+ {
+ size += sizeof (vxlan_gpe_ioam_option_t);
+ size += hm->options_size[VXLAN_GPE_OPTION_TYPE_IOAM_TRACE];
+ }
+ if (has_pot_option
+ && hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT] != 0)
+ {
+ size += sizeof (vxlan_gpe_ioam_option_t);
+ size += hm->options_size[VXLAN_GPE_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT];
+ }
+
+ t->rewrite_size = size;
+
+ if (!ipv6_set)
+ {
+ vxlan4_gpe_rewrite (t, size, VXLAN_GPE_PROTOCOL_IOAM,
+ hm->encap_v4_next_node);
+ vxlan_gpe_ioam_hdr =
+ (vxlan_gpe_ioam_hdr_t *) (t->rewrite +
+ sizeof (ip4_vxlan_gpe_header_t));
+ }
+ else
+ {
+ vxlan6_gpe_rewrite (t, size, VXLAN_GPE_PROTOCOL_IOAM,
+ VXLAN_GPE_ENCAP_NEXT_IP6_LOOKUP);
+ vxlan_gpe_ioam_hdr =
+ (vxlan_gpe_ioam_hdr_t *) (t->rewrite +
+ sizeof (ip6_vxlan_gpe_header_t));
+ }
+
+
+ vxlan_gpe_ioam_hdr->type = VXLAN_GPE_PROTOCOL_IOAM;
+ /* Length of the header in octets */
+ vxlan_gpe_ioam_hdr->length = size;
+ vxlan_gpe_ioam_hdr->protocol = t->protocol;
+ current = (u8 *) vxlan_gpe_ioam_hdr + sizeof (vxlan_gpe_ioam_hdr_t);
+
+ if (has_trace_option
+ && hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_TRACE] != 0)
+ {
+ if (0 != hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_TRACE] (current,
+ &trace_data_size))
+ return -1;
+ current += trace_data_size;
+ }
+ if (has_pot_option
+ && hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT] != 0)
+ {
+ pot_data_size =
+ hm->options_size[VXLAN_GPE_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT];
+ if (0 ==
+ hm->add_options[VXLAN_GPE_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT]
+ (current, &pot_data_size))
+ current += pot_data_size;
+ }
+
+ return 0;
+}
+
+int
+vxlan_gpe_ioam_clear_rewrite (vxlan_gpe_tunnel_t * t, int has_trace_option,
+ int has_pot_option, int has_ppc_option,
+ u8 ipv6_set)
+{
+
+ t->rewrite_size = 0;
+
+ if (!ipv6_set)
+ {
+ vxlan4_gpe_rewrite (t, 0, 0, VXLAN_GPE_ENCAP_NEXT_IP4_LOOKUP);
+ }
+ else
+ {
+ vxlan6_gpe_rewrite (t, 0, 0, VXLAN_GPE_ENCAP_NEXT_IP6_LOOKUP);
+ }
+
+
+ return 0;
+}
+
+clib_error_t *
+vxlan_gpe_ioam_clear (vxlan_gpe_tunnel_t * t,
+ int has_trace_option, int has_pot_option,
+ int has_ppc_option, u8 ipv6_set)
+{
+ int rv;
+ rv = vxlan_gpe_ioam_clear_rewrite (t, 0, 0, 0, 0);
+
+ if (rv == 0)
+ {
+ return (0);
+ }
+ else
+ {
+ return clib_error_return_code (0, rv, 0,
+ "vxlan_gpe_ioam_clear_rewrite returned %d",
+ rv);
+ }
+
+}
+
+
+clib_error_t *
+vxlan_gpe_ioam_set (vxlan_gpe_tunnel_t * t,
+ int has_trace_option, int has_pot_option,
+ int has_ppc_option, u8 ipv6_set)
+{
+ int rv;
+ rv = vxlan_gpe_ioam_set_rewrite (t, has_trace_option,
+ has_pot_option, has_ppc_option, ipv6_set);
+
+ if (rv == 0)
+ {
+ return (0);
+ }
+ else
+ {
+ return clib_error_return_code (0, rv, 0,
+ "vxlan_gpe_ioam_set_rewrite returned %d",
+ rv);
+ }
+
+}
+
+
+static clib_error_t *
+vxlan_gpe_set_ioam_rewrite_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+ ip46_address_t local, remote;
+ u8 local_set = 0;
+ u8 remote_set = 0;
+ u8 ipv4_set = 0;
+ u8 ipv6_set = 0;
+ u32 vni;
+ u8 vni_set = 0;
+ u8 disable = 0;
+ clib_error_t *rv = 0;
+ vxlan4_gpe_tunnel_key_t key4;
+ vxlan6_gpe_tunnel_key_t key6;
+ uword *p;
+ vxlan_gpe_main_t *gm = &vxlan_gpe_main;
+ vxlan_gpe_tunnel_t *t = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "local %U", unformat_ip4_address, &local.ip4))
+ {
+ local_set = 1;
+ ipv4_set = 1;
+ }
+ else if (unformat (input, "remote %U",
+ unformat_ip4_address, &remote.ip4))
+ {
+ remote_set = 1;
+ ipv4_set = 1;
+ }
+ else if (unformat (input, "local %U", unformat_ip6_address, &local.ip6))
+ {
+ local_set = 1;
+ ipv6_set = 1;
+ }
+ else if (unformat (input, "remote %U",
+ unformat_ip6_address, &remote.ip6))
+ {
+ remote_set = 1;
+ ipv6_set = 1;
+ }
+ else if (unformat (input, "vni %d", &vni))
+ vni_set = 1;
+ else if (unformat (input, "disable"))
+ disable = 1;
+ else
+ break;
+ }
+
+ if (local_set == 0)
+ return clib_error_return (0, "tunnel local address not specified");
+
+ if (remote_set == 0)
+ return clib_error_return (0, "tunnel remote address not specified");
+
+ if (ipv4_set && ipv6_set)
+ return clib_error_return (0, "both IPv4 and IPv6 addresses specified");
+
+ if ((ipv4_set && memcmp (&local.ip4, &remote.ip4, sizeof (local.ip4)) == 0)
+ || (ipv6_set
+ && memcmp (&local.ip6, &remote.ip6, sizeof (local.ip6)) == 0))
+ return clib_error_return (0, "src and dst addresses are identical");
+
+ if (vni_set == 0)
+ return clib_error_return (0, "vni not specified");
+
+
+ if (!ipv6_set)
+ {
+ key4.local = local.ip4.as_u32;
+ key4.remote = remote.ip4.as_u32;
+ key4.vni = clib_host_to_net_u32 (vni << 8);
+ key4.pad = 0;
+
+ p = hash_get_mem (gm->vxlan4_gpe_tunnel_by_key, &key4);
+ }
+ else
+ {
+ key6.local.as_u64[0] = local.ip6.as_u64[0];
+ key6.local.as_u64[1] = local.ip6.as_u64[1];
+ key6.remote.as_u64[0] = remote.ip6.as_u64[0];
+ key6.remote.as_u64[1] = remote.ip6.as_u64[1];
+ key6.vni = clib_host_to_net_u32 (vni << 8);
+
+ p = hash_get_mem (gm->vxlan6_gpe_tunnel_by_key, &key6);
+ }
+
+ if (!p)
+ return clib_error_return (0, "VxLAN Tunnel not found");
+
+ t = pool_elt_at_index (gm->tunnels, p[0]);
+
+ if (!disable)
+ {
+ rv = vxlan_gpe_ioam_set (t, hm->has_trace_option,
+ hm->has_pot_option,
+ hm->has_ppc_option, ipv6_set);
+ }
+ else
+ {
+ rv = vxlan_gpe_ioam_clear (t, 0, 0, 0, 0);
+ }
+ return rv;
+}
+
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (vxlan_gpe_set_ioam_rewrite_cmd, static) = {
+ .path = "set vxlan-gpe-ioam",
+ .short_help = "set vxlan-gpe-ioam vxlan <src-ip> <dst_ip> <vnid> [disable]",
+ .function = vxlan_gpe_set_ioam_rewrite_command_fn,
+};
+/* *INDENT-ON* */
+
+
+
+clib_error_t *
+vxlan_gpe_ioam_enable (int has_trace_option, int has_pot_option,
+ int has_ppc_option)
+{
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ hm->has_trace_option = has_trace_option;
+ hm->has_pot_option = has_pot_option;
+ hm->has_ppc_option = has_ppc_option;
+ if (hm->has_trace_option)
+ {
+ vxlan_gpe_trace_profile_setup ();
+ }
+
+ return 0;
+}
+
+clib_error_t *
+vxlan_gpe_ioam_disable (int has_trace_option, int has_pot_option,
+ int has_ppc_option)
+{
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ hm->has_trace_option = has_trace_option;
+ hm->has_pot_option = has_pot_option;
+ hm->has_ppc_option = has_ppc_option;
+ if (!hm->has_trace_option)
+ {
+ vxlan_gpe_trace_profile_cleanup ();
+ }
+
+ return 0;
+}
+
+void
+vxlan_gpe_set_next_override (uword next)
+{
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+ hm->decap_v4_next_override = next;
+ return;
+}
+
+static clib_error_t *
+vxlan_gpe_set_ioam_flags_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ int has_trace_option = 0;
+ int has_pot_option = 0;
+ int has_ppc_option = 0;
+ clib_error_t *rv = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "trace"))
+ has_trace_option = 1;
+ else if (unformat (input, "pot"))
+ has_pot_option = 1;
+ else if (unformat (input, "ppc encap"))
+ has_ppc_option = PPC_ENCAP;
+ else if (unformat (input, "ppc decap"))
+ has_ppc_option = PPC_DECAP;
+ else if (unformat (input, "ppc none"))
+ has_ppc_option = PPC_NONE;
+ else
+ break;
+ }
+
+
+ rv =
+ vxlan_gpe_ioam_enable (has_trace_option, has_pot_option, has_ppc_option);
+
+ return rv;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (vxlan_gpe_set_ioam_flags_cmd, static) =
+{
+.path = "set vxlan-gpe-ioam rewrite",
+.short_help = "set vxlan-gpe-ioam [trace] [pot] [ppc <encap|decap>]",
+.function = vxlan_gpe_set_ioam_flags_command_fn,};
+/* *INDENT-ON* */
+
+
+
+
+clib_error_t *
+clear_vxlan_gpe_ioam_rewrite_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ return (vxlan_gpe_ioam_disable (0, 0, 0));
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (vxlan_gpe_clear_ioam_flags_cmd, static) =
+{
+.path = "clear vxlan-gpe-ioam rewrite",
+.short_help = "clear vxlan-gpe-ioam rewrite",
+.function = clear_vxlan_gpe_ioam_rewrite_command_fn,
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * Copyright (c) 2015 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_vxlan_gpe_ioam_h__
+#define __included_vxlan_gpe_ioam_h__
+
+#include <vnet/vxlan-gpe/vxlan_gpe.h>
+#include <vnet/vxlan-gpe/vxlan_gpe_packet.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam_packet.h>
+#include <vnet/ip/ip.h>
+
+
+typedef struct vxlan_gpe_ioam_main_
+{
+ /* time scale transform. Joy. */
+ u32 unix_time_0;
+ f64 vlib_time_0;
+
+
+ /* Trace option */
+ u8 has_trace_option;
+
+ /* Pot option */
+ u8 has_pot_option;
+
+#define PPC_NONE 0
+#define PPC_ENCAP 1
+#define PPC_DECAP 2
+ u8 has_ppc_option;
+
+#define TSP_SECONDS 0
+#define TSP_MILLISECONDS 1
+#define TSP_MICROSECONDS 2
+#define TSP_NANOSECONDS 3
+
+ /* Array of function pointers to ADD and POP VxLAN-GPE iOAM option handling routines */
+ u8 options_size[256];
+ int (*add_options[256]) (u8 * rewrite_string, u8 * rewrite_size);
+ int (*pop_options[256]) (ip4_header_t * ip, vxlan_gpe_ioam_option_t * opt);
+
+ /* Array of function pointers to iOAM option handling routines */
+ int (*options[256]) (vlib_buffer_t * b, vxlan_gpe_ioam_option_t * opt,
+ u8 is_ipv4, u8 use_adj);
+ u8 *(*trace[256]) (u8 * s, vxlan_gpe_ioam_option_t * opt);
+
+ /* API message ID base */
+ u16 msg_id_base;
+
+ /* Override to export for iOAM */
+ uword decap_v4_next_override;
+ uword decap_v6_next_override;
+
+ /* sequence of node graph for encap */
+ uword encap_v4_next_node;
+ uword encap_v6_next_node;
+
+ /** State convenience vlib_main_t */
+ vlib_main_t *vlib_main;
+ /** State convenience vnet_main_t */
+ vnet_main_t *vnet_main;
+
+
+} vxlan_gpe_ioam_main_t;
+extern vxlan_gpe_ioam_main_t vxlan_gpe_ioam_main;
+
+/*
+ * Primary h-b-h handler trace support
+ */
+typedef struct
+{
+ u32 next_index;
+ u32 trace_len;
+ u8 option_data[256];
+} ioam_trace_t;
+
+
+vlib_node_registration_t vxlan_gpe_encap_ioam_v4_node;
+vlib_node_registration_t vxlan_gpe_decap_ioam_v4_node;
+
+clib_error_t *vxlan_gpe_ioam_enable (int has_trace_option, int has_pot_option,
+ int has_ppc_option);
+
+clib_error_t *vxlan_gpe_ioam_disable (int has_trace_option,
+ int has_pot_option, int has_ppc_option);
+
+clib_error_t *vxlan_gpe_ioam_set (vxlan_gpe_tunnel_t * t,
+ int has_trace_option,
+ int has_pot_option,
+ int has_ppc_option, u8 ipv6_set);
+clib_error_t *vxlan_gpe_ioam_clear (vxlan_gpe_tunnel_t * t,
+ int has_trace_option, int has_pot_option,
+ int has_ppc_option, u8 ipv6_set);
+
+int vxlan_gpe_ioam_add_register_option (u8 option,
+ u8 size,
+ int rewrite_options (u8 *
+ rewrite_string,
+ u8 *
+ rewrite_size));
+
+int vxlan_gpe_add_unregister_option (u8 option);
+
+int vxlan_gpe_ioam_register_option (u8 option,
+ int options (vlib_buffer_t * b,
+ vxlan_gpe_ioam_option_t *
+ opt, u8 is_ipv4, u8 use_adj),
+ u8 * trace (u8 * s,
+ vxlan_gpe_ioam_option_t *
+ opt));
+int vxlan_gpe_ioam_unregister_option (u8 option);
+
+int vxlan_gpe_trace_profile_setup (void);
+
+int vxlan_gpe_trace_profile_cleanup (void);
+
+typedef enum
+{
+ VXLAN_GPE_DECAP_IOAM_V4_NEXT_POP,
+ VXLAN_GPE_DECAP_IOAM_V4_NEXT_DROP,
+ VXLAN_GPE_DECAP_IOAM_V4_N_NEXT
+} vxlan_gpe_decap_ioam_v4_next_t;
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * Copyright (c) 2015 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_vxlan_gpe_ioam_packet_h__
+#define __included_vxlan_gpe_ioam_packet_h__
+
+#include <vnet/vxlan-gpe/vxlan_gpe.h>
+#include <vnet/vxlan-gpe/vxlan_gpe_packet.h>
+#include <vnet/ip/ip.h>
+
+
+
+#define VXLAN_GPE_OPTION_TYPE_IOAM_TRACE 59
+#define VXLAN_GPE_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT 60
+
+/**
+ * @brief VXLAN GPE Extension (iOAM) Header definition
+ */
+typedef struct
+{
+ u8 type;
+ u8 length;
+ /** Reserved */
+ u8 reserved;
+ /** see vxlan_gpe_protocol_t */
+ u8 protocol;
+} vxlan_gpe_ioam_hdr_t;
+
+/*
+ * @brief VxLAN GPE iOAM Option definition
+ */
+typedef struct
+{
+ /* Option Type */
+ u8 type;
+ /* Length in octets of the option data field */
+ u8 length;
+} vxlan_gpe_ioam_option_t;
+
+
+#endif
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * 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 <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <vnet/pg/pg.h>
+#include <vppinfra/error.h>
+
+#include <vnet/vxlan-gpe/vxlan_gpe.h>
+#include <vnet/vxlan-gpe/vxlan_gpe_packet.h>
+
+#include <vppinfra/hash.h>
+#include <vppinfra/error.h>
+#include <vppinfra/elog.h>
+
+#include <ioam/lib-trace/trace_util.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
+
+/* Timestamp precision multipliers for seconds, milliseconds, microseconds
+ * and nanoseconds respectively.
+ */
+static f64 trace_tsp_mul[4] = { 1, 1e3, 1e6, 1e9 };
+
+typedef union
+{
+ u64 as_u64;
+ u32 as_u32[2];
+} time_u64_t;
+
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED(struct {
+ vxlan_gpe_ioam_option_t hdr;
+ u8 ioam_trace_type;
+ u8 data_list_elts_left;
+ u32 elts[0]; /* Variable type. So keep it generic */
+}) vxlan_gpe_ioam_trace_option_t;
+/* *INDENT-ON* */
+
+
+#define foreach_vxlan_gpe_ioam_trace_stats \
+ _(SUCCESS, "Pkts updated with TRACE records") \
+ _(FAILED, "Errors in TRACE due to lack of TRACE records")
+
+static char *vxlan_gpe_ioam_trace_stats_strings[] = {
+#define _(sym,string) string,
+ foreach_vxlan_gpe_ioam_trace_stats
+#undef _
+};
+
+typedef enum
+{
+#define _(sym,str) VXLAN_GPE_IOAM_TRACE_##sym,
+ foreach_vxlan_gpe_ioam_trace_stats
+#undef _
+ VXLAN_GPE_IOAM_TRACE_N_STATS,
+} vxlan_gpe_ioam_trace_stats_t;
+
+
+typedef struct
+{
+ /* stats */
+ u64 counters[ARRAY_LEN (vxlan_gpe_ioam_trace_stats_strings)];
+
+ /* convenience */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+} vxlan_gpe_ioam_trace_main_t;
+
+vxlan_gpe_ioam_trace_main_t vxlan_gpe_ioam_trace_main;
+
+int
+vxlan_gpe_ioam_add_register_option (u8 option,
+ u8 size,
+ int rewrite_options (u8 * rewrite_string,
+ u8 * rewrite_size))
+{
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ ASSERT (option < ARRAY_LEN (hm->add_options));
+
+ /* Already registered */
+ if (hm->add_options[option])
+ return (-1);
+
+ hm->add_options[option] = rewrite_options;
+ hm->options_size[option] = size;
+
+ return (0);
+}
+
+int
+vxlan_gpe_add_unregister_option (u8 option)
+{
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ ASSERT (option < ARRAY_LEN (hm->add_options));
+
+ /* Not registered */
+ if (!hm->add_options[option])
+ return (-1);
+
+ hm->add_options[option] = NULL;
+ hm->options_size[option] = 0;
+ return (0);
+}
+
+
+int
+vxlan_gpe_ioam_register_option (u8 option,
+ int options (vlib_buffer_t * b,
+ vxlan_gpe_ioam_option_t * opt,
+ u8 is_ipv4, u8 use_adj),
+ u8 * trace (u8 * s,
+ vxlan_gpe_ioam_option_t * opt))
+{
+ vxlan_gpe_ioam_main_t *im = &vxlan_gpe_ioam_main;
+
+ ASSERT (option < ARRAY_LEN (im->options));
+
+ /* Already registered */
+ if (im->options[option])
+ return (-1);
+
+ im->options[option] = options;
+ im->trace[option] = trace;
+
+ return (0);
+}
+
+int
+vxlan_gpe_ioam_unregister_option (u8 option)
+{
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ ASSERT (option < ARRAY_LEN (hm->options));
+
+ /* Not registered */
+ if (!hm->options[option])
+ return (-1);
+
+ hm->options[option] = NULL;
+ hm->trace[option] = NULL;
+
+ return (0);
+}
+
+
+always_inline void
+vxlan_gpe_ioam_trace_stats_increment_counter (u32 counter_index,
+ u64 increment)
+{
+ vxlan_gpe_ioam_trace_main_t *hm = &vxlan_gpe_ioam_trace_main;
+
+ hm->counters[counter_index] += increment;
+}
+
+
+static u8 *
+format_ioam_data_list_element (u8 * s, va_list * args)
+{
+ u32 *elt = va_arg (*args, u32 *);
+ u8 *trace_type_p = va_arg (*args, u8 *);
+ u8 trace_type = *trace_type_p;
+
+
+ if (trace_type & BIT_TTL_NODEID)
+ {
+ u32 ttl_node_id_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, "ttl 0x%x node id 0x%x ",
+ ttl_node_id_host_byte_order >> 24,
+ ttl_node_id_host_byte_order & 0x00FFFFFF);
+
+ elt++;
+ }
+
+ if (trace_type & BIT_ING_INTERFACE && trace_type & BIT_ING_INTERFACE)
+ {
+ u32 ingress_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, "ingress 0x%x egress 0x%x ",
+ ingress_host_byte_order >> 16,
+ ingress_host_byte_order & 0xFFFF);
+ elt++;
+ }
+
+ if (trace_type & BIT_TIMESTAMP)
+ {
+ u32 ts_in_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, "ts 0x%x \n", ts_in_host_byte_order);
+ elt++;
+ }
+
+ if (trace_type & BIT_APPDATA)
+ {
+ u32 appdata_in_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, "app 0x%x ", appdata_in_host_byte_order);
+ elt++;
+ }
+
+ return s;
+}
+
+
+
+int
+vxlan_gpe_ioam_trace_rewrite_handler (u8 * rewrite_string, u8 * rewrite_size)
+{
+ vxlan_gpe_ioam_trace_option_t *trace_option = NULL;
+ u8 trace_data_size = 0;
+ u8 trace_option_elts = 0;
+ trace_profile *profile = NULL;
+
+
+ profile = trace_profile_find ();
+
+ if (PREDICT_FALSE (!profile))
+ {
+ return (-1);
+ }
+
+ if (PREDICT_FALSE (!rewrite_string))
+ return -1;
+
+ trace_option_elts = profile->num_elts;
+ trace_data_size = fetch_trace_data_size (profile->trace_type);
+ trace_option = (vxlan_gpe_ioam_trace_option_t *) rewrite_string;
+ trace_option->hdr.type = VXLAN_GPE_OPTION_TYPE_IOAM_TRACE;
+ trace_option->hdr.length = 2 /*ioam_trace_type,data_list_elts_left */ +
+ trace_option_elts * trace_data_size;
+ trace_option->ioam_trace_type = profile->trace_type & TRACE_TYPE_MASK;
+ trace_option->data_list_elts_left = trace_option_elts;
+ *rewrite_size =
+ sizeof (vxlan_gpe_ioam_trace_option_t) +
+ (trace_option_elts * trace_data_size);
+
+ return 0;
+}
+
+
+int
+vxlan_gpe_ioam_trace_data_list_handler (vlib_buffer_t * b,
+ vxlan_gpe_ioam_option_t * opt,
+ u8 is_ipv4, u8 use_adj)
+{
+ u8 elt_index = 0;
+ vxlan_gpe_ioam_trace_option_t *trace =
+ (vxlan_gpe_ioam_trace_option_t *) opt;
+ time_u64_t time_u64;
+ u32 *elt;
+ int rv = 0;
+ trace_profile *profile = NULL;
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+
+ profile = trace_profile_find ();
+
+ if (PREDICT_FALSE (!profile))
+ {
+ return (-1);
+ }
+
+
+ time_u64.as_u64 = 0;
+
+ if (PREDICT_TRUE (trace->data_list_elts_left))
+ {
+ trace->data_list_elts_left--;
+ /* fetch_trace_data_size returns in bytes. Convert it to 4-bytes
+ * to skip to this node's location.
+ */
+ elt_index =
+ trace->data_list_elts_left *
+ fetch_trace_data_size (trace->ioam_trace_type) / 4;
+ elt = &trace->elts[elt_index];
+ if (is_ipv4)
+ {
+ if (trace->ioam_trace_type & BIT_TTL_NODEID)
+ {
+ ip4_header_t *ip0 = vlib_buffer_get_current (b);
+ *elt = clib_host_to_net_u32 (((ip0->ttl - 1) << 24) |
+ profile->node_id);
+ elt++;
+ }
+
+ if (trace->ioam_trace_type & BIT_ING_INTERFACE)
+ {
+ u16 tx_if = 0;
+ u32 adj_index = vnet_buffer (b)->ip.adj_index[VLIB_TX];
+ ip4_main_t *im4 = &ip4_main;
+ ip_lookup_main_t *lm = &im4->lookup_main;
+ if (use_adj)
+ {
+ ip_adjacency_t *adj = ip_get_adjacency (lm, adj_index);
+ tx_if = adj->rewrite_header.sw_if_index & 0xFFFF;
+ }
+
+ *elt =
+ (vnet_buffer (b)->sw_if_index[VLIB_RX] & 0xFFFF) << 16 |
+ tx_if;
+ *elt = clib_host_to_net_u32 (*elt);
+ elt++;
+ }
+ }
+ else
+ {
+ if (trace->ioam_trace_type & BIT_TTL_NODEID)
+ {
+ ip6_header_t *ip0 = vlib_buffer_get_current (b);
+ *elt = clib_host_to_net_u32 ((ip0->hop_limit << 24) |
+ profile->node_id);
+ elt++;
+ }
+ if (trace->ioam_trace_type & BIT_ING_INTERFACE)
+ {
+ u16 tx_if = 0;
+ u32 adj_index = vnet_buffer (b)->ip.adj_index[VLIB_TX];
+ ip6_main_t *im6 = &ip6_main;
+ ip_lookup_main_t *lm = &im6->lookup_main;
+ if (use_adj)
+ {
+ ip_adjacency_t *adj = ip_get_adjacency (lm, adj_index);
+ tx_if = adj->rewrite_header.sw_if_index & 0xFFFF;
+ }
+
+ *elt =
+ (vnet_buffer (b)->sw_if_index[VLIB_RX] & 0xFFFF) << 16 |
+ tx_if;
+ *elt = clib_host_to_net_u32 (*elt);
+ elt++;
+ }
+ }
+
+ if (trace->ioam_trace_type & BIT_TIMESTAMP)
+ {
+ /* Send least significant 32 bits */
+ f64 time_f64 =
+ (f64) (((f64) hm->unix_time_0) +
+ (vlib_time_now (hm->vlib_main) - hm->vlib_time_0));
+
+ time_u64.as_u64 = time_f64 * trace_tsp_mul[profile->trace_tsp];
+ *elt = clib_host_to_net_u32 (time_u64.as_u32[0]);
+ elt++;
+ }
+
+ if (trace->ioam_trace_type & BIT_APPDATA)
+ {
+ /* $$$ set elt0->app_data */
+ *elt = clib_host_to_net_u32 (profile->app_data);
+ elt++;
+ }
+ vxlan_gpe_ioam_trace_stats_increment_counter
+ (VXLAN_GPE_IOAM_TRACE_SUCCESS, 1);
+ }
+ else
+ {
+ vxlan_gpe_ioam_trace_stats_increment_counter
+ (VXLAN_GPE_IOAM_TRACE_FAILED, 1);
+ }
+ return (rv);
+}
+
+u8 *
+vxlan_gpe_ioam_trace_data_list_trace_handler (u8 * s,
+ vxlan_gpe_ioam_option_t * opt)
+{
+ vxlan_gpe_ioam_trace_option_t *trace;
+ u8 trace_data_size_in_words = 0;
+ u32 *elt;
+ int elt_index = 0;
+
+ trace = (vxlan_gpe_ioam_trace_option_t *) opt;
+ s =
+ format (s, " Trace Type 0x%x , %d elts left\n", trace->ioam_trace_type,
+ trace->data_list_elts_left);
+ trace_data_size_in_words =
+ fetch_trace_data_size (trace->ioam_trace_type) / 4;
+ elt = &trace->elts[0];
+ while ((u8 *) elt < ((u8 *) (&trace->elts[0]) + trace->hdr.length - 2
+ /* -2 accounts for ioam_trace_type,elts_left */ ))
+ {
+ s = format (s, " [%d] %U\n", elt_index,
+ format_ioam_data_list_element,
+ elt, &trace->ioam_trace_type);
+ elt_index++;
+ elt += trace_data_size_in_words;
+ }
+ return (s);
+}
+
+
+static clib_error_t *
+vxlan_gpe_show_ioam_trace_cmd_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vxlan_gpe_ioam_trace_main_t *hm = &vxlan_gpe_ioam_trace_main;
+ u8 *s = 0;
+ int i = 0;
+
+ for (i = 0; i < VXLAN_GPE_IOAM_TRACE_N_STATS; i++)
+ {
+ s = format (s, " %s - %lu\n", vxlan_gpe_ioam_trace_stats_strings[i],
+ hm->counters[i]);
+ }
+
+ vlib_cli_output (vm, "%v", s);
+ vec_free (s);
+ return 0;
+}
+
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (vxlan_gpe_show_ioam_trace_cmd, static) = {
+ .path = "show ioam vxlan-gpe trace",
+ .short_help = "iOAM trace statistics",
+ .function = vxlan_gpe_show_ioam_trace_cmd_fn,
+};
+/* *INDENT-ON* */
+
+
+static clib_error_t *
+vxlan_gpe_ioam_trace_init (vlib_main_t * vm)
+{
+ vxlan_gpe_ioam_trace_main_t *hm = &vxlan_gpe_ioam_trace_main;
+ clib_error_t *error;
+
+ if ((error = vlib_call_init_function (vm, ip_main_init)))
+ return (error);
+
+ if ((error = vlib_call_init_function (vm, ip6_lookup_init)))
+ return error;
+
+ if ((error = vlib_call_init_function (vm, vxlan_gpe_init)))
+ return (error);
+
+ hm->vlib_main = vm;
+ hm->vnet_main = vnet_get_main ();
+ memset (hm->counters, 0, sizeof (hm->counters));
+
+ if (vxlan_gpe_ioam_register_option
+ (VXLAN_GPE_OPTION_TYPE_IOAM_TRACE,
+ vxlan_gpe_ioam_trace_data_list_handler,
+ vxlan_gpe_ioam_trace_data_list_trace_handler) < 0)
+ return (clib_error_create
+ ("registration of VXLAN_GPE_OPTION_TYPE_IOAM_TRACE failed"));
+
+
+ if (vxlan_gpe_ioam_add_register_option
+ (VXLAN_GPE_OPTION_TYPE_IOAM_TRACE,
+ sizeof (vxlan_gpe_ioam_trace_option_t),
+ vxlan_gpe_ioam_trace_rewrite_handler) < 0)
+ return (clib_error_create
+ ("registration of VXLAN_GPE_OPTION_TYPE_IOAM_TRACE for rewrite failed"));
+
+
+ return (0);
+}
+
+VLIB_INIT_FUNCTION (vxlan_gpe_ioam_trace_init);
+
+int
+vxlan_gpe_trace_profile_cleanup (void)
+{
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ hm->options_size[VXLAN_GPE_OPTION_TYPE_IOAM_TRACE] = 0;
+
+ return 0;
+
+}
+
+static int
+vxlan_gpe_ioam_trace_get_sizeof_handler (u32 * result)
+{
+ u16 size = 0;
+ u8 trace_data_size = 0;
+ trace_profile *profile = NULL;
+
+ *result = 0;
+
+ profile = trace_profile_find ();
+
+ if (PREDICT_FALSE (!profile))
+ {
+ return (-1);
+ }
+
+ trace_data_size = fetch_trace_data_size (profile->trace_type);
+ if (PREDICT_FALSE (trace_data_size == 0))
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ if (PREDICT_FALSE (profile->num_elts * trace_data_size > 254))
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ size +=
+ sizeof (vxlan_gpe_ioam_trace_option_t) +
+ profile->num_elts * trace_data_size;
+ *result = size;
+
+ return 0;
+}
+
+
+int
+vxlan_gpe_trace_profile_setup (void)
+{
+ u32 trace_size = 0;
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ trace_profile *profile = NULL;
+
+
+ profile = trace_profile_find ();
+
+ if (PREDICT_FALSE (!profile))
+ {
+ return (-1);
+ }
+
+
+ if (vxlan_gpe_ioam_trace_get_sizeof_handler (&trace_size) < 0)
+ return (-1);
+
+ hm->options_size[VXLAN_GPE_OPTION_TYPE_IOAM_TRACE] = trace_size;
+
+ return (0);
+}
+
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * Copyright (c) 2015 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_vxlan_gpe_ioam_util_h__
+#define __included_vxlan_gpe_ioam_util_h__
+
+#include <vnet/vxlan-gpe/vxlan_gpe.h>
+#include <vnet/vxlan-gpe/vxlan_gpe_packet.h>
+#include <vnet/ip/ip.h>
+
+
+typedef struct
+{
+ u32 tunnel_index;
+ ioam_trace_t fmt_trace;
+} vxlan_gpe_ioam_v4_trace_t;
+
+
+static u8 *
+format_vxlan_gpe_ioam_v4_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 *);
+ vxlan_gpe_ioam_v4_trace_t *t1 = va_arg (*args, vxlan_gpe_ioam_v4_trace_t *);
+ ioam_trace_t *t = &(t1->fmt_trace);
+ vxlan_gpe_ioam_option_t *fmt_trace0;
+ vxlan_gpe_ioam_option_t *opt0, *limit0;
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ u8 type0;
+
+ fmt_trace0 = (vxlan_gpe_ioam_option_t *) t->option_data;
+
+ s = format (s, "VXLAN-GPE-IOAM: next_index %d len %d traced %d",
+ t->next_index, fmt_trace0->length, t->trace_len);
+
+ opt0 = (vxlan_gpe_ioam_option_t *) (fmt_trace0 + 1);
+ limit0 = (vxlan_gpe_ioam_option_t *) ((u8 *) fmt_trace0) + t->trace_len;
+
+ while (opt0 < limit0)
+ {
+ type0 = opt0->type;
+ switch (type0)
+ {
+ case 0: /* Pad, just stop */
+ opt0 = (vxlan_gpe_ioam_option_t *) ((u8 *) opt0) + 1;
+ break;
+
+ default:
+ if (hm->trace[type0])
+ {
+ s = (*hm->trace[type0]) (s, opt0);
+ }
+ else
+ {
+ s =
+ format (s, "\n unrecognized option %d length %d", type0,
+ opt0->length);
+ }
+ opt0 =
+ (vxlan_gpe_ioam_option_t *) (((u8 *) opt0) + opt0->length +
+ sizeof (vxlan_gpe_ioam_option_t));
+ break;
+ }
+ }
+
+ s = format (s, "VXLAN-GPE-IOAM: tunnel %d", t1->tunnel_index);
+ return s;
+}
+
+
+always_inline void
+vxlan_gpe_encap_decap_ioam_v4_one_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vxlan_gpe_main_t * ngm,
+ vlib_buffer_t * b0,
+ u32 * next0, u32 drop_node_val,
+ u8 use_adj)
+{
+ ip4_header_t *ip0;
+ udp_header_t *udp_hdr0;
+ vxlan_gpe_header_t *gpe_hdr0;
+ vxlan_gpe_ioam_hdr_t *gpe_ioam0;
+ vxlan_gpe_ioam_option_t *opt0;
+ vxlan_gpe_ioam_option_t *limit0;
+ vxlan_gpe_ioam_main_t *hm = &vxlan_gpe_ioam_main;
+
+ /* Populate the iOAM header */
+ ip0 = vlib_buffer_get_current (b0);
+ udp_hdr0 = (udp_header_t *) (ip0 + 1);
+ gpe_hdr0 = (vxlan_gpe_header_t *) (udp_hdr0 + 1);
+ gpe_ioam0 = (vxlan_gpe_ioam_hdr_t *) (gpe_hdr0 + 1);
+ opt0 = (vxlan_gpe_ioam_option_t *) (gpe_ioam0 + 1);
+ limit0 = (vxlan_gpe_ioam_option_t *) ((u8 *) gpe_ioam0 + gpe_ioam0->length);
+
+ /*
+ * Basic validity checks
+ */
+ if (gpe_ioam0->length > clib_net_to_host_u16 (ip0->length))
+ {
+ *next0 = drop_node_val;
+ return;
+ }
+
+ /* Scan the set of h-b-h options, process ones that we understand */
+ while (opt0 < limit0)
+ {
+ u8 type0;
+ type0 = opt0->type;
+ switch (type0)
+ {
+ case 0: /* Pad1 */
+ opt0 = (vxlan_gpe_ioam_option_t *) ((u8 *) opt0) + 1;
+ continue;
+ case 1: /* PadN */
+ break;
+ default:
+ if (hm->options[type0])
+ {
+ if ((*hm->options[type0]) (b0, opt0, 1 /* is_ipv4 */ ,
+ use_adj) < 0)
+ {
+ *next0 = drop_node_val;
+ return;
+ }
+ }
+ break;
+ }
+ opt0 =
+ (vxlan_gpe_ioam_option_t *) (((u8 *) opt0) + opt0->length +
+ sizeof (vxlan_gpe_ioam_hdr_t));
+ }
+
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ vxlan_gpe_ioam_v4_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ u32 trace_len = gpe_ioam0->length;
+ t->fmt_trace.next_index = *next0;
+ /* Capture the ioam option verbatim */
+ trace_len =
+ trace_len <
+ ARRAY_LEN (t->fmt_trace.
+ option_data) ? trace_len : ARRAY_LEN (t->fmt_trace.
+ option_data);
+ t->fmt_trace.trace_len = trace_len;
+ clib_memcpy (&(t->fmt_trace.option_data), gpe_ioam0, trace_len);
+ }
+ return;
+}
+
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * 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 included_vxlan_gpe_msg_enum_h
+#define included_vxlan_gpe_msg_enum_h
+
+#include <vppinfra/byte_order.h>
+
+#define vl_msg_id(n,h) n,
+typedef enum {
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
+ /* We'll want to know how many messages IDs we need... */
+ VL_MSG_FIRST_AVAILABLE,
+} vl_msg_id_t;
+#undef vl_msg_id
+
+#endif /* included_vxlan_gpe_msg_enum_h */
--- /dev/null
+/*
+ * 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.
+ */
+/*
+ *------------------------------------------------------------------
+ * vxlan_gpe_test.c - test harness for vxlan_gpe plugin
+ *------------------------------------------------------------------
+ */
+
+#include <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vlibsocket/api.h>
+#include <vppinfra/error.h>
+
+/* Declare message IDs */
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+
+#define vl_endianfun /* define message structures */
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
+#undef vl_printfun
+
+/* Get the API version number. */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_all_api_h.h>
+#undef vl_api_version
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam_packet.h>
+#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
+
+typedef struct
+{
+ /* API message ID base */
+ u16 msg_id_base;
+ vat_main_t *vat_main;
+} vxlan_gpe_test_main_t;
+
+vxlan_gpe_test_main_t vxlan_gpe_test_main;
+
+#define foreach_standard_reply_retval_handler \
+_(vxlan_gpe_ioam_enable_reply) \
+_(vxlan_gpe_ioam_disable_reply) \
+_(vxlan_gpe_ioam_vni_enable_reply) \
+_(vxlan_gpe_ioam_vni_disable_reply)
+
+#define _(n) \
+ static void vl_api_##n##_t_handler \
+ (vl_api_##n##_t * mp) \
+ { \
+ vat_main_t * vam = vxlan_gpe_test_main.vat_main; \
+ i32 retval = ntohl(mp->retval); \
+ if (vam->async_mode) { \
+ vam->async_errors += (retval < 0); \
+ } else { \
+ vam->retval = retval; \
+ vam->result_ready = 1; \
+ } \
+ }
+foreach_standard_reply_retval_handler;
+#undef _
+
+/*
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+#define foreach_vpe_api_reply_msg \
+_(VXLAN_GPE_IOAM_ENABLE_REPLY, vxlan_gpe_ioam_enable_reply) \
+_(VXLAN_GPE_IOAM_DISABLE_REPLY, vxlan_gpe_ioam_disable_reply) \
+_(VXLAN_GPE_IOAM_VNI_ENABLE_REPLY, vxlan_gpe_ioam_vni_enable_reply) \
+_(VXLAN_GPE_IOAM_VNI_DISABLE_REPLY, vxlan_gpe_ioam_vni_disable_reply) \
+
+
+/* M: construct, but don't yet send a message */
+
+#define M(T,t) \
+do { \
+ vam->result_ready = 0; \
+ mp = vl_msg_api_alloc(sizeof(*mp)); \
+ memset (mp, 0, sizeof (*mp)); \
+ mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
+ mp->client_index = vam->my_client_index; \
+} while(0);
+
+#define M2(T,t,n) \
+do { \
+ vam->result_ready = 0; \
+ mp = vl_msg_api_alloc(sizeof(*mp)+(n)); \
+ memset (mp, 0, sizeof (*mp)); \
+ mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
+ mp->client_index = vam->my_client_index; \
+} while(0);
+
+/* S: send a message */
+#define S (vl_msg_api_send_shmem (vam->vl_input_queue, (u8 *)&mp))
+
+/* W: wait for results, with timeout */
+#define W \
+do { \
+ timeout = vat_time_now (vam) + 1.0; \
+ \
+ while (vat_time_now (vam) < timeout) { \
+ if (vam->result_ready == 1) { \
+ return (vam->retval); \
+ } \
+ } \
+ return -99; \
+} while(0);
+
+
+static int
+api_vxlan_gpe_ioam_enable (vat_main_t * vam)
+{
+ vxlan_gpe_test_main_t *sm = &vxlan_gpe_test_main;
+
+ unformat_input_t *input = vam->input;
+ vl_api_vxlan_gpe_ioam_enable_t *mp;
+ f64 timeout;
+ u32 id = 0;
+ int has_trace_option = 0;
+ int has_pow_option = 0;
+ int has_ppc_option = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "trace"))
+ has_trace_option = 1;
+ else if (unformat (input, "pow"))
+ has_pow_option = 1;
+ else if (unformat (input, "ppc encap"))
+ has_ppc_option = PPC_ENCAP;
+ else if (unformat (input, "ppc decap"))
+ has_ppc_option = PPC_DECAP;
+ else if (unformat (input, "ppc none"))
+ has_ppc_option = PPC_NONE;
+ else
+ break;
+ }
+ M (VXLAN_GPE_IOAM_ENABLE, vxlan_gpe_ioam_enable);
+ mp->id = htons (id);
+ mp->trace_ppc = has_ppc_option;
+ mp->pow_enable = has_pow_option;
+ mp->trace_enable = has_trace_option;
+
+
+ S;
+ W;
+
+ return (0);
+}
+
+
+static int
+api_vxlan_gpe_ioam_disable (vat_main_t * vam)
+{
+ vxlan_gpe_test_main_t *sm = &vxlan_gpe_test_main;
+ vl_api_vxlan_gpe_ioam_disable_t *mp;
+ f64 timeout;
+
+ M (VXLAN_GPE_IOAM_DISABLE, vxlan_gpe_ioam_disable);
+ S;
+ W;
+ return 0;
+}
+
+static int
+api_vxlan_gpe_ioam_vni_enable (vat_main_t * vam)
+{
+ vxlan_gpe_test_main_t *sm = &vxlan_gpe_test_main;
+
+ unformat_input_t *line_input = vam->input;
+ vl_api_vxlan_gpe_ioam_vni_enable_t *mp;
+ ip4_address_t local4, remote4;
+ ip6_address_t local6, remote6;
+ u8 ipv4_set = 0, ipv6_set = 0;
+ u8 local_set = 0;
+ u8 remote_set = 0;
+ u32 vni;
+ u8 vni_set = 0;
+ f64 timeout;
+
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "local %U", unformat_ip4_address, &local4))
+ {
+ local_set = 1;
+ ipv4_set = 1;
+ }
+ else if (unformat (line_input, "remote %U",
+ unformat_ip4_address, &remote4))
+ {
+ remote_set = 1;
+ ipv4_set = 1;
+ }
+ else if (unformat (line_input, "local %U",
+ unformat_ip6_address, &local6))
+ {
+ local_set = 1;
+ ipv6_set = 1;
+ }
+ else if (unformat (line_input, "remote %U",
+ unformat_ip6_address, &remote6))
+ {
+ remote_set = 1;
+ ipv6_set = 1;
+ }
+
+ else if (unformat (line_input, "vni %d", &vni))
+ vni_set = 1;
+ else
+ {
+ errmsg ("parse error '%U'\n", format_unformat_error, line_input);
+ return -99;
+ }
+ }
+
+ if (local_set == 0)
+ {
+ errmsg ("tunnel local address not specified\n");
+ return -99;
+ }
+ if (remote_set == 0)
+ {
+ errmsg ("tunnel remote address not specified\n");
+ return -99;
+ }
+ if (ipv4_set && ipv6_set)
+ {
+ errmsg ("both IPv4 and IPv6 addresses specified");
+ return -99;
+ }
+
+ if (vni_set == 0)
+ {
+ errmsg ("vni not specified\n");
+ return -99;
+ }
+
+ M (VXLAN_GPE_IOAM_VNI_ENABLE, vxlan_gpe_ioam_vni_enable);
+
+
+ if (ipv6_set)
+ {
+ clib_memcpy (&mp->local, &local6, sizeof (local6));
+ clib_memcpy (&mp->remote, &remote6, sizeof (remote6));
+ }
+ else
+ {
+ clib_memcpy (&mp->local, &local4, sizeof (local4));
+ clib_memcpy (&mp->remote, &remote4, sizeof (remote4));
+ }
+
+ mp->vni = ntohl (vni);
+ mp->is_ipv6 = ipv6_set;
+
+ S;
+ W;
+
+ return (0);
+}
+
+static int
+api_vxlan_gpe_ioam_vni_disable (vat_main_t * vam)
+{
+ vxlan_gpe_test_main_t *sm = &vxlan_gpe_test_main;
+
+ unformat_input_t *line_input = vam->input;
+ vl_api_vxlan_gpe_ioam_vni_disable_t *mp;
+ ip4_address_t local4, remote4;
+ ip6_address_t local6, remote6;
+ u8 ipv4_set = 0, ipv6_set = 0;
+ u8 local_set = 0;
+ u8 remote_set = 0;
+ u32 vni;
+ u8 vni_set = 0;
+ f64 timeout;
+
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "local %U", unformat_ip4_address, &local4))
+ {
+ local_set = 1;
+ ipv4_set = 1;
+ }
+ else if (unformat (line_input, "remote %U",
+ unformat_ip4_address, &remote4))
+ {
+ remote_set = 1;
+ ipv4_set = 1;
+ }
+ else if (unformat (line_input, "local %U",
+ unformat_ip6_address, &local6))
+ {
+ local_set = 1;
+ ipv6_set = 1;
+ }
+ else if (unformat (line_input, "remote %U",
+ unformat_ip6_address, &remote6))
+ {
+ remote_set = 1;
+ ipv6_set = 1;
+ }
+
+ else if (unformat (line_input, "vni %d", &vni))
+ vni_set = 1;
+ else
+ {
+ errmsg ("parse error '%U'\n", format_unformat_error, line_input);
+ return -99;
+ }
+ }
+
+ if (local_set == 0)
+ {
+ errmsg ("tunnel local address not specified\n");
+ return -99;
+ }
+ if (remote_set == 0)
+ {
+ errmsg ("tunnel remote address not specified\n");
+ return -99;
+ }
+ if (ipv4_set && ipv6_set)
+ {
+ errmsg ("both IPv4 and IPv6 addresses specified");
+ return -99;
+ }
+
+ if (vni_set == 0)
+ {
+ errmsg ("vni not specified\n");
+ return -99;
+ }
+
+ M (VXLAN_GPE_IOAM_VNI_DISABLE, vxlan_gpe_ioam_vni_disable);
+
+
+ if (ipv6_set)
+ {
+ clib_memcpy (&mp->local, &local6, sizeof (local6));
+ clib_memcpy (&mp->remote, &remote6, sizeof (remote6));
+ }
+ else
+ {
+ clib_memcpy (&mp->local, &local4, sizeof (local4));
+ clib_memcpy (&mp->remote, &remote4, sizeof (remote4));
+ }
+
+ mp->vni = ntohl (vni);
+ mp->is_ipv6 = ipv6_set;
+
+ S;
+ W;
+
+ return 0;
+}
+
+
+
+/*
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg \
+_(vxlan_gpe_ioam_enable, ""\
+ "[trace] [pow] [ppc <encap|ppc decap>]") \
+_(vxlan_gpe_ioam_disable, "") \
+_(vxlan_gpe_ioam_vni_enable, ""\
+ "local <local_vtep_ip> remote <remote_vtep_ip> vni <vnid>") \
+_(vxlan_gpe_ioam_vni_disable, ""\
+ "local <local_vtep_ip> remote <remote_vtep_ip> vni <vnid>") \
+
+
+void
+vat_api_hookup (vat_main_t * vam)
+{
+ vxlan_gpe_test_main_t *sm = &vxlan_gpe_test_main;
+ /* Hook up handlers for replies from the data plane plug-in */
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
+ #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vpe_api_reply_msg;
+#undef _
+
+ /* API messages we can send */
+#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
+ foreach_vpe_api_msg;
+#undef _
+
+ /* Help strings */
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+ foreach_vpe_api_msg;
+#undef _
+}
+
+clib_error_t *
+vat_plugin_register (vat_main_t * vam)
+{
+ vxlan_gpe_test_main_t *sm = &vxlan_gpe_test_main;
+ u8 *name;
+
+ sm->vat_main = vam;
+
+ name = format (0, "ioam_vxlan_gpe_%08x%c", api_version, 0);
+ sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+ if (sm->msg_id_base != (u16) ~ 0)
+ vat_api_hookup (vam);
+
+ vec_free (name);
+
+ return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
/* Enabling analyis of iOAM data on decap node */
u8 has_analyse_option;
-#define TSP_SECONDS 0
-#define TSP_MILLISECONDS 1
-#define TSP_MICROSECONDS 2
-#define TSP_NANOSECONDS 3
-
/* Array of function pointers to ADD and POP HBH option handling routines */
u8 options_size[MAX_IP6_HBH_OPTION];
int (*add_options[MAX_IP6_HBH_OPTION])(u8 *rewrite_string, u8 *rewrite_size);
return (ip6_hop_by_hop_ioam_main.has_seqno_option);
}
+int
+ip6_trace_profile_setup ();
#endif /* __included_ip6_hop_by_hop_ioam_h__ */
if (is_ip4)
{
- next0 = (iuvn4_0->vxlan.protocol < node->n_next_nodes) ?
- iuvn4_0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
- next1 = (iuvn4_1->vxlan.protocol < node->n_next_nodes) ?
- iuvn4_1->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
+ next0 =
+ (iuvn4_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)?
+ ngm->decap_next_node_list[iuvn4_0->vxlan.protocol]: \
+ VXLAN_GPE_INPUT_NEXT_DROP;
+ next1 =
+ (iuvn4_1->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)?
+ ngm->decap_next_node_list[iuvn4_1->vxlan.protocol]: \
+ VXLAN_GPE_INPUT_NEXT_DROP;
key4_0.local = iuvn4_0->ip4.dst_address.as_u32;
key4_1.local = iuvn4_1->ip4.dst_address.as_u32;
}
else /* is_ip6 */
{
+ next0 =
+ (iuvn6_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)?
+ ngm->decap_next_node_list[iuvn6_0->vxlan.protocol]: \
+ VXLAN_GPE_INPUT_NEXT_DROP;
+ next1 =
+ (iuvn6_1->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)?
+ ngm->decap_next_node_list[iuvn6_1->vxlan.protocol]: \
+ VXLAN_GPE_INPUT_NEXT_DROP;
+
+ key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0];
+ key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1];
+ key6_1.local.as_u64[0] = iuvn6_1->ip6.dst_address.as_u64[0];
+ key6_1.local.as_u64[1] = iuvn6_1->ip6.dst_address.as_u64[1];
+
+ key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0];
+ key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1];
+ key6_1.remote.as_u64[0] = iuvn6_1->ip6.src_address.as_u64[0];
+ key6_1.remote.as_u64[1] = iuvn6_1->ip6.src_address.as_u64[1];
+
+ key6_0.vni = iuvn6_0->vxlan.vni_res;
+ key6_1.vni = iuvn6_1->vxlan.vni_res;
+
/* Processing for key6_0 */
if (PREDICT_FALSE(memcmp (&key6_0, &last_key6, sizeof(last_key6)) != 0))
{
t0 = pool_elt_at_index(ngm->tunnels, tunnel_index0);
- next0 = t0->protocol;
sw_if_index0 = t0->sw_if_index;
len0 = vlib_buffer_length_in_chain (vm, b0);
t1 = pool_elt_at_index(ngm->tunnels, tunnel_index1);
- next1 = t1->protocol;
sw_if_index1 = t1->sw_if_index;
len1 = vlib_buffer_length_in_chain (vm, b1);
if (is_ip4)
{
next0 =
- (iuvn4_0->vxlan.protocol < node->n_next_nodes) ?
- iuvn4_0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
+ (iuvn4_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)?
+ ngm->decap_next_node_list[iuvn4_0->vxlan.protocol]: \
+ VXLAN_GPE_INPUT_NEXT_DROP;
key4_0.local = iuvn4_0->ip4.dst_address.as_u32;
key4_0.remote = iuvn4_0->ip4.src_address.as_u32;
}
else /* is_ip6 */
{
- next0 = (iuvn6_0->vxlan.protocol < node->n_next_nodes) ?
- iuvn6_0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP;
+ next0 =
+ (iuvn6_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)?
+ ngm->decap_next_node_list[iuvn6_0->vxlan.protocol]: \
+ VXLAN_GPE_INPUT_NEXT_DROP;
key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0];
key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1];
t0 = pool_elt_at_index(ngm->tunnels, tunnel_index0);
- next0 = t0->protocol;
sw_if_index0 = t0->sw_if_index;
len0 = vlib_buffer_length_in_chain (vm, b0);
return vxlan_gpe_input (vm, node, from_frame, /* is_ip4 */1);
}
+
+void
+vxlan_gpe_register_decap_protocol (u8 protocol_id, uword next_node_index)
+{
+ vxlan_gpe_main_t *hm = &vxlan_gpe_main;
+ hm->decap_next_node_list[protocol_id] = next_node_index;
+ return;
+}
+
+void
+vxlan_gpe_unregister_decap_protocol (u8 protocol_id, uword next_node_index)
+{
+ vxlan_gpe_main_t *hm = &vxlan_gpe_main;
+ hm->decap_next_node_list[protocol_id] = VXLAN_GPE_INPUT_NEXT_DROP;
+ return;
+}
+
+
/**
* @brief Graph processing dispatch function for IPv6 VXLAN GPE
*
VXLAN_GPE_ENCAP_N_ERROR,
} vxlan_gpe_encap_error_t;
-/**
- * @brief Struct for defining VXLAN GPE next nodes
- */
-typedef enum {
- VXLAN_GPE_ENCAP_NEXT_IP4_LOOKUP,
- VXLAN_GPE_ENCAP_NEXT_IP6_LOOKUP,
- VXLAN_GPE_ENCAP_NEXT_DROP,
- VXLAN_GPE_ENCAP_N_NEXT
-} vxlan_gpe_encap_next_t;
-
/**
* @brief Struct for tracing VXLAN GPE encapsulated packets
*/
*/
always_inline void
vxlan_gpe_encap_one_inline (vxlan_gpe_main_t * ngm, vlib_buffer_t * b0,
- vxlan_gpe_tunnel_t * t0, u32 * next0, u8 is_v4)
+ vxlan_gpe_tunnel_t * t0, u32 * next0,
+ u8 is_v4)
{
ASSERT(sizeof(ip4_vxlan_gpe_header_t) == 36);
ASSERT(sizeof(ip6_vxlan_gpe_header_t) == 56);
- if (is_v4)
- {
- ip_udp_encap_one (ngm->vlib_main, b0, t0->rewrite, 36, 1);
- next0[0] = VXLAN_GPE_ENCAP_NEXT_IP4_LOOKUP;
-
- }
- else
- {
- ip_udp_encap_one (ngm->vlib_main, b0, t0->rewrite, 56, 0);
- next0[0] = VXLAN_GPE_ENCAP_NEXT_IP6_LOOKUP;
- }
+ ip_udp_encap_one (ngm->vlib_main, b0, t0->rewrite, t0->rewrite_size, is_v4);
+ next0[0] = t0->encap_next_node;
}
/**
*
*/
always_inline void
-vxlan_gpe_encap_two_inline (vxlan_gpe_main_t * ngm, vlib_buffer_t * b0, vlib_buffer_t * b1,
- vxlan_gpe_tunnel_t * t0, vxlan_gpe_tunnel_t * t1, u32 * next0,
+vxlan_gpe_encap_two_inline (vxlan_gpe_main_t * ngm, vlib_buffer_t * b0,
+ vlib_buffer_t * b1, vxlan_gpe_tunnel_t * t0,
+ vxlan_gpe_tunnel_t * t1, u32 * next0,
u32 * next1, u8 is_v4)
{
ASSERT(sizeof(ip4_vxlan_gpe_header_t) == 36);
ASSERT(sizeof(ip6_vxlan_gpe_header_t) == 56);
- if (is_v4)
- {
- ip_udp_encap_one (ngm->vlib_main, b0, t0->rewrite, 36, 1);
- ip_udp_encap_one (ngm->vlib_main, b1, t1->rewrite, 36, 1);
- next0[0] = next1[0] = VXLAN_GPE_ENCAP_NEXT_IP4_LOOKUP;
- }
- else
- {
- ip_udp_encap_one (ngm->vlib_main, b0, t0->rewrite, 56, 0);
- ip_udp_encap_one (ngm->vlib_main, b1, t1->rewrite, 56, 0);
- next0[0] = next1[0] = VXLAN_GPE_ENCAP_NEXT_IP6_LOOKUP;
- }
+ ip_udp_encap_one (ngm->vlib_main, b0, t0->rewrite, t0->rewrite_size, is_v4);
+ ip_udp_encap_one (ngm->vlib_main, b1, t1->rewrite, t1->rewrite_size, is_v4);
+ next0[0] = next1[0] = t0->encap_next_node;
}
/**
.admin_up_down_function = vxlan_gpe_interface_admin_up_down,
};
+
/**
* @brief Formatting function for tracing VXLAN GPE with length
*
* @return rc
*
*/
-static int vxlan4_gpe_rewrite (vxlan_gpe_tunnel_t * t)
+int vxlan4_gpe_rewrite (vxlan_gpe_tunnel_t * t, u32 extension_size,
+ u8 protocol_override, uword encap_next_node)
{
u8 *rw = 0;
ip4_header_t * ip0;
ip4_vxlan_gpe_header_t * h0;
int len;
- len = sizeof (*h0);
+ len = sizeof (*h0) + extension_size;
+ vec_free(t->rewrite);
vec_validate_aligned (rw, len-1, CLIB_CACHE_LINE_BYTES);
h0 = (ip4_vxlan_gpe_header_t *) rw;
/* VXLAN header. Are we having fun yet? */
h0->vxlan.flags = VXLAN_GPE_FLAGS_I | VXLAN_GPE_FLAGS_P;
h0->vxlan.ver_res = VXLAN_GPE_VERSION;
- h0->vxlan.protocol = t->protocol;
+ if (protocol_override)
+ {
+ h0->vxlan.protocol = protocol_override;
+ }
+ else
+ {
+ h0->vxlan.protocol = t->protocol;
+ }
+ t->rewrite_size = sizeof(ip4_vxlan_gpe_header_t) + extension_size;
h0->vxlan.vni_res = clib_host_to_net_u32 (t->vni<<8);
t->rewrite = rw;
+ t->encap_next_node = encap_next_node;
return (0);
}
* @return rc
*
*/
-static int vxlan6_gpe_rewrite (vxlan_gpe_tunnel_t * t)
+int vxlan6_gpe_rewrite (vxlan_gpe_tunnel_t * t, u32 extension_size,
+ u8 protocol_override, uword encap_next_node)
{
u8 *rw = 0;
ip6_header_t * ip0;
ip6_vxlan_gpe_header_t * h0;
int len;
- len = sizeof (*h0);
+ len = sizeof (*h0) + extension_size;
+ vec_free(t->rewrite);
vec_validate_aligned (rw, len-1, CLIB_CACHE_LINE_BYTES);
h0 = (ip6_vxlan_gpe_header_t *) rw;
/* VXLAN header. Are we having fun yet? */
h0->vxlan.flags = VXLAN_GPE_FLAGS_I | VXLAN_GPE_FLAGS_P;
h0->vxlan.ver_res = VXLAN_GPE_VERSION;
- h0->vxlan.protocol = t->protocol;
+ if (protocol_override)
+ {
+ h0->vxlan.protocol = t->protocol;
+ }
+ else
+ {
+ h0->vxlan.protocol = protocol_override;
+ }
+ t->rewrite_size = sizeof(ip4_vxlan_gpe_header_t) + extension_size;
h0->vxlan.vni_res = clib_host_to_net_u32 (t->vni<<8);
t->rewrite = rw;
+ t->encap_next_node = encap_next_node;
return (0);
}
if (!a->is_ip6) t->flags |= VXLAN_GPE_TUNNEL_IS_IPV4;
if (!a->is_ip6) {
- rv = vxlan4_gpe_rewrite (t);
+ rv = vxlan4_gpe_rewrite (t, 0, 0, VXLAN_GPE_ENCAP_NEXT_IP4_LOOKUP);
} else {
- rv = vxlan6_gpe_rewrite (t);
+ rv = vxlan6_gpe_rewrite (t, 0, 0, VXLAN_GPE_ENCAP_NEXT_IP6_LOOKUP);
}
if (rv)
vxlan4_gpe_input_node.index, 1 /* is_ip4 */);
udp_register_dst_port (vm, UDP_DST_PORT_vxlan6_gpe,
vxlan6_gpe_input_node.index, 0 /* is_ip4 */);
+
+ /* Register the list of standard decap protocols supported */
+ vxlan_gpe_register_decap_protocol (VXLAN_GPE_PROTOCOL_IP4,
+ VXLAN_GPE_INPUT_NEXT_IP4_INPUT);
+ vxlan_gpe_register_decap_protocol (VXLAN_GPE_PROTOCOL_IP6,
+ VXLAN_GPE_INPUT_NEXT_IP6_INPUT);
+ vxlan_gpe_register_decap_protocol (VXLAN_GPE_PROTOCOL_ETHERNET,
+ VXLAN_GPE_INPUT_NEXT_ETHERNET_INPUT);
return 0;
}
/** flags */
u32 flags;
+
+ /** rewrite size for dynamic plugins like iOAM */
+ u8 rewrite_size;
+
+ /** Next node after VxLAN-GPE encap */
+ uword encap_next_node;
} vxlan_gpe_tunnel_t;
/** Flags for vxlan_gpe_tunnel_t */
vlib_main_t * vlib_main;
/** State convenience vnet_main_t */
vnet_main_t * vnet_main;
+
+ /** List of next nodes for the decap indexed on protocol */
+ uword decap_next_node_list[VXLAN_GPE_PROTOCOL_MAX];
} vxlan_gpe_main_t;
vxlan_gpe_main_t vxlan_gpe_main;
(vnet_vxlan_gpe_add_del_tunnel_args_t *a, u32 * sw_if_indexp);
+int vxlan4_gpe_rewrite (vxlan_gpe_tunnel_t * t, u32 extension_size,
+ u8 protocol_override, uword encap_next_node);
+int vxlan6_gpe_rewrite (vxlan_gpe_tunnel_t * t, u32 extension_size,
+ u8 protocol_override, uword encap_next_node);
+
+/**
+ * @brief Struct for defining VXLAN GPE next nodes
+ */
+typedef enum {
+ VXLAN_GPE_ENCAP_NEXT_IP4_LOOKUP,
+ VXLAN_GPE_ENCAP_NEXT_IP6_LOOKUP,
+ VXLAN_GPE_ENCAP_NEXT_DROP,
+ VXLAN_GPE_ENCAP_N_NEXT
+} vxlan_gpe_encap_next_t;
+
+
+void vxlan_gpe_unregister_decap_protocol (u8 protocol_id, uword next_node_index);
+void vxlan_gpe_register_decap_protocol (u8 protocol_id, uword next_node_index);
#endif /* included_vnet_vxlan_gpe_h */
_ (0x01, IP4) \
_ (0x02, IP6) \
_ (0x03, ETHERNET) \
-_ (0x04, NSH)
+_ (0x04, NSH) \
+_ (0x05, IOAM)
/**
* 2 - IP6
* 3 - ETHERNET
* 4 - NSH
+ * 5 - IOAM
*/
typedef enum {
#define _(n,f) VXLAN_GPE_PROTOCOL_##f = n,
foreach_vxlan_gpe_protocol
#undef _
+ VXLAN_GPE_PROTOCOL_MAX,
} vxlan_gpe_protocol_t;
/**
mp->encap_vrf_id = ntohl (encap_vrf_id);
mp->decap_vrf_id = ntohl (decap_vrf_id);
- mp->protocol = ntohl (protocol);
+ mp->protocol = protocol;
mp->vni = ntohl (vni);
mp->is_add = is_add;
mp->is_ipv6 = ipv6_set;
Code Review / odp4vpp.git / commitdiff