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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/encap/ip6_ioam_trace.c
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/encap/ip6_ioam_trace.c')
-rw-r--r--src/plugins/ioam/encap/ip6_ioam_trace.c50
1 files changed, 22 insertions, 28 deletions
diff --git a/src/plugins/ioam/encap/ip6_ioam_trace.c b/src/plugins/ioam/encap/ip6_ioam_trace.c
index a836dfe817b..6972ba4be96 100644
--- a/src/plugins/ioam/encap/ip6_ioam_trace.c
+++ b/src/plugins/ioam/encap/ip6_ioam_trace.c
@@ -27,7 +27,7 @@
#include <vppinfra/elog.h>
#include <vnet/plugin/plugin.h>
-#include <ioam/lib-trace/trace_util.h>
+#include <ioam/encap/ip6_ioam_trace.h>
/* Timestamp precision multipliers for seconds, milliseconds, microseconds
* and nanoseconds respectively.
@@ -40,15 +40,6 @@ typedef union
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;
@@ -201,8 +192,9 @@ ip6_hop_by_hop_ioam_trace_rewrite_handler (u8 * rewrite_string,
HBH_OPTION_TYPE_DATA_CHANGE_ENROUTE;
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;
+ trace_option->trace_hdr.ioam_trace_type =
+ profile->trace_type & TRACE_TYPE_MASK;
+ trace_option->trace_hdr.data_list_elts_left = trace_option_elts;
*rewrite_size =
sizeof (ioam_trace_option_t) + (trace_option_elts * trace_data_size);
@@ -238,24 +230,24 @@ ip6_hbh_ioam_trace_data_list_handler (vlib_buffer_t * b, ip6_header_t * ip,
time_u64.as_u64 = 0;
- if (PREDICT_TRUE (trace->data_list_elts_left))
+ if (PREDICT_TRUE (trace->trace_hdr.data_list_elts_left))
{
- trace->data_list_elts_left--;
+ trace->trace_hdr.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 (trace->ioam_trace_type & BIT_TTL_NODEID)
+ trace->trace_hdr.data_list_elts_left *
+ fetch_trace_data_size (trace->trace_hdr.ioam_trace_type) / 4;
+ elt = &trace->trace_hdr.elts[elt_index];
+ if (trace->trace_hdr.ioam_trace_type & BIT_TTL_NODEID)
{
*elt =
clib_host_to_net_u32 ((ip->hop_limit << 24) | profile->node_id);
elt++;
}
- if (trace->ioam_trace_type & BIT_ING_INTERFACE)
+ if (trace->trace_hdr.ioam_trace_type & BIT_ING_INTERFACE)
{
*elt =
(vnet_buffer (b)->sw_if_index[VLIB_RX] & 0xFFFF) << 16 |
@@ -264,7 +256,7 @@ ip6_hbh_ioam_trace_data_list_handler (vlib_buffer_t * b, ip6_header_t * ip,
elt++;
}
- if (trace->ioam_trace_type & BIT_TIMESTAMP)
+ if (trace->trace_hdr.ioam_trace_type & BIT_TIMESTAMP)
{
/* Send least significant 32 bits */
f64 time_f64 =
@@ -276,7 +268,7 @@ ip6_hbh_ioam_trace_data_list_handler (vlib_buffer_t * b, ip6_header_t * ip,
elt++;
}
- if (trace->ioam_trace_type & BIT_APPDATA)
+ if (trace->trace_hdr.ioam_trace_type & BIT_APPDATA)
{
/* $$$ set elt0->app_data */
*elt = clib_host_to_net_u32 (profile->app_data);
@@ -302,17 +294,19 @@ ip6_hbh_ioam_trace_data_list_trace_handler (u8 * s,
trace = (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);
+ format (s, " Trace Type 0x%x , %d elts left\n",
+ trace->trace_hdr.ioam_trace_type,
+ trace->trace_hdr.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 */ ))
+ fetch_trace_data_size (trace->trace_hdr.ioam_trace_type) / 4;
+ elt = &trace->trace_hdr.elts[0];
+ while ((u8 *) elt <
+ ((u8 *) (&trace->trace_hdr.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, &trace->trace_hdr.ioam_trace_type);
elt_index++;
elt += trace_data_size_in_words;
}