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authorAkshayaNadahalli <anadahal@cisco.com>2016-12-01 16:33:51 +0530
committerNeale Ranns <nranns@cisco.com>2017-02-13 08:36:59 +0000
commitfdd81af6afe6c782ad2c1a139210378badec626b (patch)
treeb562b391bded3afc0f5b4d0f83eceb20f2c8e772 /src/plugins/ioam/export-common
parentfed79e83910459ed700615d2a5a24024f835a66c (diff)
VPP-632 : InBand OAM Analyser
Refer to jira ticket for more details. Change-Id: I6facb9ef8553a21464f9a2e612706f152badbb68 Signed-off-by: AkshayaNadahalli <anadahal@cisco.com>
Diffstat (limited to 'src/plugins/ioam/export-common')
-rw-r--r--src/plugins/ioam/export-common/ioam_export.h56
1 files changed, 39 insertions, 17 deletions
diff --git a/src/plugins/ioam/export-common/ioam_export.h b/src/plugins/ioam/export-common/ioam_export.h
index e6ab0344958..e84dab0b398 100644
--- a/src/plugins/ioam/export-common/ioam_export.h
+++ b/src/plugins/ioam/export-common/ioam_export.h
@@ -20,6 +20,7 @@
#include <vnet/ip/ip_packet.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
+#include <vnet/ip/ip6_hop_by_hop.h>
#include <vnet/ip/udp.h>
#include <vnet/flow/ipfix_packet.h>
@@ -43,6 +44,7 @@ typedef struct
{
/* API message ID base */
u16 msg_id_base;
+ u16 set_id;
/* TODO: to support multiple collectors all this has to be grouped and create a vector here */
u8 *record_header;
@@ -67,14 +69,15 @@ typedef struct
/* convenience */
vlib_main_t *vlib_main;
vnet_main_t *vnet_main;
- u32 ip4_lookup_node_index;
+ ethernet_main_t *ethernet_main;
+ u32 next_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;
+extern ioam_export_main_t ioam_export_main;
+extern ioam_export_main_t vxlan_gpe_ioam_export_main;
extern vlib_node_registration_t export_node;
extern vlib_node_registration_t vxlan_export_node;
@@ -86,6 +89,24 @@ extern vlib_node_registration_t vxlan_export_node;
*/
#define DEFAULT_EXPORT_RECORDS 7
+inline static void
+ioam_export_set_next_node (ioam_export_main_t * em, u8 * next_node_name)
+{
+ vlib_node_t *next_node;
+
+ next_node = vlib_get_node_by_name (em->vlib_main, next_node_name);
+ em->next_node_index = next_node->index;
+}
+
+inline static void
+ioam_export_reset_next_node (ioam_export_main_t * em)
+{
+ vlib_node_t *next_node;
+
+ next_node = vlib_get_node_by_name (em->vlib_main, (u8 *) "ip4-lookup");
+ em->next_node_index = next_node->index;
+}
+
always_inline ioam_export_buffer_t *
ioam_export_get_my_buffer (ioam_export_main_t * em, u32 thread_id)
{
@@ -154,15 +175,13 @@ 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);
@@ -186,6 +205,7 @@ ioam_export_thread_buffer_init (ioam_export_main_t * em, vlib_main_t * vm)
}
#define IPFIX_IOAM_EXPORT_ID 272
+#define IPFIX_VXLAN_IOAM_EXPORT_ID 273
/* Used to build the rewrite */
/* data set packet */
@@ -241,8 +261,8 @@ ioam_export_header_create (ioam_export_main_t * em,
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);
+ udp->src_port = clib_host_to_net_u16 (UDP_DST_PORT_ipfix);
+ udp->dst_port = clib_host_to_net_u16 (UDP_DST_PORT_ipfix);
/* FIXUP: UDP length */
udp->length = clib_host_to_net_u16 (vec_len (rewrite) +
(DEFAULT_EXPORT_RECORDS *
@@ -253,7 +273,7 @@ ioam_export_header_create (ioam_export_main_t * em,
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,
+ s->set_id_length = ipfix_set_id_length (em->set_id,
(sizeof (*s) +
(DEFAULT_EXPORT_RECORDS *
DEFAULT_EXPORT_SIZE)));
@@ -309,11 +329,10 @@ ioam_export_send_buffer (ioam_export_main_t * em, vlib_main_t * vm,
/* 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)));
+ s->set_id_length = ipfix_set_id_length (em->set_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;
@@ -328,12 +347,12 @@ ioam_export_send_buffer (ioam_export_main_t * em, vlib_main_t * vm,
/* Enqueue pkts to ip4-lookup */
- nf = vlib_get_frame_to_node (vm, em->ip4_lookup_node_index);
+ nf = vlib_get_frame_to_node (vm, em->next_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);
+ vlib_put_frame_to_node (vm, em->next_node_index, nf);
return (1);
}
@@ -452,7 +471,7 @@ ioam_export_process_common (ioam_export_main_t * em, vlib_main_t * vm,
return 0; /* not so much */
}
-#define ioam_export_node_common(EM, VM, N, F, HTYPE, L, V, NEXT) \
+#define ioam_export_node_common(EM, VM, N, F, HTYPE, L, V, NEXT, FIXUP_FUNC) \
do { \
u32 n_left_from, *from, *to_next; \
export_next_t next_index; \
@@ -510,6 +529,7 @@ do { \
ip_len1 = \
ip_len1 > DEFAULT_EXPORT_SIZE ? DEFAULT_EXPORT_SIZE : ip_len1; \
copy3cachelines (eb0->data + eb0->current_length, ip0, ip_len0); \
+ FIXUP_FUNC(eb0, p0); \
eb0->current_length += DEFAULT_EXPORT_SIZE; \
my_buf->records_in_this_buffer++; \
if (my_buf->records_in_this_buffer >= DEFAULT_EXPORT_RECORDS) \
@@ -522,6 +542,7 @@ do { \
if (PREDICT_FALSE (eb0 == 0)) \
goto NO_BUFFER1; \
copy3cachelines (eb0->data + eb0->current_length, ip1, ip_len1); \
+ FIXUP_FUNC(eb0, p1); \
eb0->current_length += DEFAULT_EXPORT_SIZE; \
my_buf->records_in_this_buffer++; \
if (my_buf->records_in_this_buffer >= DEFAULT_EXPORT_RECORDS) \
@@ -578,6 +599,7 @@ do { \
ip_len0 = \
ip_len0 > DEFAULT_EXPORT_SIZE ? DEFAULT_EXPORT_SIZE : ip_len0; \
copy3cachelines (eb0->data + eb0->current_length, ip0, ip_len0); \
+ FIXUP_FUNC(eb0, p0); \
eb0->current_length += DEFAULT_EXPORT_SIZE; \
my_buf->records_in_this_buffer++; \
if (my_buf->records_in_this_buffer >= DEFAULT_EXPORT_RECORDS) \