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-rw-r--r--vnet/vnet/ip/ip6_hop_by_hop.c351
-rw-r--r--vnet/vnet/ip/ip6_hop_by_hop.h71
-rw-r--r--vnet/vnet/ip/ip6_hop_by_hop_packet.h135
3 files changed, 497 insertions, 60 deletions
diff --git a/vnet/vnet/ip/ip6_hop_by_hop.c b/vnet/vnet/ip/ip6_hop_by_hop.c
index ecbb122081c..52a6b84c836 100644
--- a/vnet/vnet/ip/ip6_hop_by_hop.c
+++ b/vnet/vnet/ip/ip6_hop_by_hop.c
@@ -25,6 +25,13 @@
#include <vnet/ip/ip6_hop_by_hop.h>
+/* Timestamp precision multipliers for seconds, milliseconds, microseconds
+ * and nanoseconds respectively.
+ */
+static f64 trace_tsp_mul[4] = {1, 1e3, 1e6, 1e9};
+
+char *ppc_state[] = {"None", "Encap", "Decap"};
+
ip6_hop_by_hop_main_t ip6_hop_by_hop_main;
/*
@@ -64,21 +71,74 @@ ip6_hop_by_hop_main_t ip6_hop_by_hop_main;
typedef struct {
u32 next_index;
u32 trace_len;
+ u32 timestamp_msbs; /* Store the top set of bits of timestamp */
u8 option_data[256];
} ip6_hop_by_hop_trace_t;
-static u8 * format_ioam_data_list_element (u8 * s, va_list * args)
+typedef union {
+ u64 as_u64;
+ u32 as_u32[2];
+} time_u64_t;
+
+static inline u8
+fetch_trace_data_size(trace_type)
{
- ioam_data_list_element_t *elt = va_arg (*args, ioam_data_list_element_t *);
- u32 ttl_node_id_host_byte_order =
- clib_net_to_host_u32 (elt->ttl_node_id);
+ u8 trace_data_size = 0;
+
+ if (trace_type == TRACE_TYPE_IF_TS_APP)
+ trace_data_size = sizeof(ioam_trace_if_ts_app_t);
+ else if(trace_type == TRACE_TYPE_IF)
+ trace_data_size = sizeof(ioam_trace_if_t);
+ else if(trace_type == TRACE_TYPE_TS)
+ trace_data_size = sizeof(ioam_trace_ts_t);
+ else if(trace_type == TRACE_TYPE_APP)
+ trace_data_size = sizeof(ioam_trace_app_t);
+ else if(trace_type == TRACE_TYPE_TS_APP)
+ trace_data_size = sizeof(ioam_trace_ts_app_t);
+
+ return trace_data_size;
+}
+
+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;
- s = format (s, "ttl %d node id %d ingress %d egress %d ts %u",
+
+ 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->ingress_if,
- elt->egress_if,
- elt->timestamp);
+ 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;
}
@@ -90,7 +150,8 @@ static u8 * format_ip6_hop_by_hop_trace (u8 * s, va_list * args)
ip6_hop_by_hop_header_t *hbh0;
ip6_hop_by_hop_option_t *opt0, *limit0;
ioam_trace_option_t * trace0;
- ioam_data_list_element_t * elt0;
+ u8 trace_data_size_in_words = 0;
+ u32 * elt0;
int elt_index;
u8 type0;
@@ -108,19 +169,23 @@ static u8 * format_ip6_hop_by_hop_trace (u8 * s, va_list * args)
elt_index = 0;
switch (type0)
{
- case HBH_OPTION_TYPE_IOAM_DATA_LIST:
+ case HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST:
trace0 = (ioam_trace_option_t *)opt0;
- s = format (s, " Trace %d elts left\n",
- trace0->data_list_elts_left);
+ s = format (s, " Trace Type 0x%x , %d elts left ts msb(s) 0x%x\n",
+ trace0->ioam_trace_type, trace0->data_list_elts_left,
+ t->timestamp_msbs);
+ trace_data_size_in_words =
+ fetch_trace_data_size(trace0->ioam_trace_type)/4;
elt0 = &trace0->elts[0];
while ((u8 *) elt0 <
- ((u8 *)(&trace0->elts[0]) + trace0->hdr.length - 1
- /* -1 accounts for elts_left */))
+ ((u8 *)(&trace0->elts[0]) + trace0->hdr.length - 2
+ /* -2 accounts for ioam_trace_type,elts_left */))
{
s = format (s, " [%d] %U\n",elt_index,
- format_ioam_data_list_element, elt0);
+ format_ioam_data_list_element,
+ elt0, &trace0->ioam_trace_type);
elt_index++;
- elt0++;
+ elt0 += trace_data_size_in_words;
}
opt0 = (ip6_hop_by_hop_option_t *)
@@ -178,7 +243,10 @@ ip6_hop_by_hop_node_fn (vlib_main_t * vm,
u32 n_left_from, * from, * to_next;
ip_lookup_next_t next_index;
u32 processed = 0;
+ u8 elt_index = 0;
+ time_u64_t time_u64;
+ time_u64.as_u64 = 0;
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
next_index = node->cached_next_index;
@@ -274,7 +342,7 @@ ip6_hop_by_hop_node_fn (vlib_main_t * vm,
ip6_hop_by_hop_header_t *hbh0;
ip6_hop_by_hop_option_t *opt0, *limit0;
ioam_trace_option_t * trace0;
- ioam_data_list_element_t * elt0;
+ u32 * elt0;
u8 type0;
/* speculatively enqueue b0 to the current next frame */
@@ -301,20 +369,51 @@ ip6_hop_by_hop_node_fn (vlib_main_t * vm,
type0 = opt0->type & HBH_OPTION_TYPE_MASK;
switch (type0)
{
- case HBH_OPTION_TYPE_IOAM_DATA_LIST:
+ case HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST:
trace0 = (ioam_trace_option_t *)opt0;
if (PREDICT_TRUE (trace0->data_list_elts_left))
{
trace0->data_list_elts_left--;
- elt0 = &trace0->elts[trace0->data_list_elts_left];
- elt0->ttl_node_id =
- clib_host_to_net_u32 ((ip0->hop_limit<<24)
+ /* fetch_trace_data_size returns in bytes. Convert it to 4-bytes
+ * to skip to this node's location.
+ */
+ elt_index = trace0->data_list_elts_left *
+ fetch_trace_data_size(trace0->ioam_trace_type)/4;
+ elt0 = &trace0->elts[elt_index];
+ if (trace0->ioam_trace_type & BIT_TTL_NODEID)
+ {
+ *elt0 =
+ clib_host_to_net_u32 ((ip0->hop_limit<<24)
| hm->node_id);
- elt0->ingress_if =
- vnet_buffer(b0)->sw_if_index[VLIB_RX];
- elt0->egress_if = adj0->rewrite_header.sw_if_index;
- elt0->timestamp = 123; /* $$$$ */
- /* $$$ set elt0->app_data */
+ elt0++;
+ }
+
+ if (trace0->ioam_trace_type & BIT_ING_INTERFACE)
+ {
+ *elt0 =
+ (vnet_buffer(b0)->sw_if_index[VLIB_RX]&0xFFFF) << 16 | (adj0->rewrite_header.sw_if_index & 0xFFFF);
+ *elt0 = clib_host_to_net_u32(*elt0);
+ elt0++;
+ }
+
+ if (trace0->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[hm->trace_tsp];
+ *elt0 = clib_host_to_net_u32(time_u64.as_u32[0]);
+ elt0++;
+ }
+
+ if (trace0->ioam_trace_type & BIT_APPDATA)
+ {
+ /* $$$ set elt0->app_data */
+ *elt0 = clib_host_to_net_u32(hm->app_data);
+ elt0++;
+ }
}
opt0 = (ip6_hop_by_hop_option_t *)
@@ -353,6 +452,7 @@ ip6_hop_by_hop_node_fn (vlib_main_t * vm,
trace_len = trace_len < ARRAY_LEN(t->option_data) ?
trace_len : ARRAY_LEN(t->option_data);
t->trace_len = trace_len;
+ t->timestamp_msbs = time_u64.as_u32[1];
memcpy (t->option_data, hbh0, trace_len);
}
@@ -893,13 +993,18 @@ ip6_hop_by_hop_init (vlib_main_t * vm)
hm->vlib_main = vm;
hm->vnet_main = vnet_get_main();
+ hm->unix_time_0 = (u32) time (0); /* Store starting time */
+ hm->vlib_time_0 = vlib_time_now (vm);
+ hm->ioam_flag = IOAM_HBYH_MOD;
+ hm->trace_tsp = TSP_MICROSECONDS; /* Micro seconds */
return 0;
}
VLIB_INIT_FUNCTION (ip6_hop_by_hop_init);
-int ip6_ioam_set_rewrite (u8 **rwp, u32 trace_option_elts, int has_pow_option)
+int ip6_ioam_set_rewrite (u8 **rwp, u32 trace_type, u32 trace_option_elts,
+ int has_pow_option, int has_ppc_option)
{
u8 *rewrite = 0;
u32 size, rnd_size;
@@ -907,14 +1012,12 @@ int ip6_ioam_set_rewrite (u8 **rwp, u32 trace_option_elts, int has_pow_option)
ioam_trace_option_t * trace_option;
ioam_pow_option_t * pow_option;
u8 *current;
+ u8 trace_data_size = 0;
vec_free (*rwp);
if (trace_option_elts == 0 && has_pow_option == 0)
- return 0;
-
- if (trace_option_elts * sizeof (ioam_data_list_element_t) > 254)
- return VNET_API_ERROR_INVALID_VALUE;
+ return -1;
/* Work out how much space we need */
size = sizeof (ip6_hop_by_hop_header_t);
@@ -922,7 +1025,15 @@ int ip6_ioam_set_rewrite (u8 **rwp, u32 trace_option_elts, int has_pow_option)
if (trace_option_elts)
{
size += sizeof (ip6_hop_by_hop_option_t);
- size += trace_option_elts * (sizeof (ioam_data_list_element_t));
+
+ trace_data_size = fetch_trace_data_size(trace_type);
+ if (trace_data_size == 0)
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ if (trace_option_elts * trace_data_size > 254)
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ size += trace_option_elts * trace_data_size;
}
if (has_pow_option)
{
@@ -944,13 +1055,15 @@ int ip6_ioam_set_rewrite (u8 **rwp, u32 trace_option_elts, int has_pow_option)
if (trace_option_elts)
{
trace_option = (ioam_trace_option_t *)current;
- trace_option->hdr.type = HBH_OPTION_TYPE_IOAM_DATA_LIST
+ trace_option->hdr.type = HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST
| HBH_OPTION_TYPE_DATA_CHANGE_ENROUTE;
- trace_option->hdr.length = 1 /*data_list_elts_left */ +
- trace_option_elts * sizeof (ioam_data_list_element_t);
+ trace_option->hdr.length =
+ 2 /*ioam_trace_type,data_list_elts_left */ +
+ trace_option_elts * trace_data_size;
+ trace_option->ioam_trace_type = trace_type & TRACE_TYPE_MASK;
trace_option->data_list_elts_left = trace_option_elts;
current += sizeof (ioam_trace_option_t) +
- trace_option_elts * sizeof (ioam_data_list_element_t);
+ trace_option_elts * trace_data_size;
}
if (has_pow_option)
{
@@ -966,49 +1079,175 @@ int ip6_ioam_set_rewrite (u8 **rwp, u32 trace_option_elts, int has_pow_option)
return 0;
}
+clib_error_t *
+clear_ioam_rewrite_fn()
+{
+ ip6_hop_by_hop_main_t *hm = &ip6_hop_by_hop_main;
+
+ vec_free(hm->rewrite);
+ hm->rewrite = 0;
+ hm->node_id = 0;
+ hm->app_data = 0;
+ hm->trace_type = 0;
+ hm->trace_option_elts = 0;
+ hm->has_pow_option = 0;
+ hm->has_ppc_option = 0;
+ hm->trace_tsp = TSP_MICROSECONDS;
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (ip6_clear_ioam_trace_cmd, static) = {
+ .path = "clear ioam rewrite",
+ .short_help = "clear ioam rewrite",
+ .function = clear_ioam_rewrite_fn,
+};
+
+clib_error_t *
+ip6_ioam_trace_profile_set(u32 trace_option_elts, u32 trace_type, u32 node_id,
+ u32 app_data, int has_pow_option, u32 trace_tsp,
+ int has_ppc_option)
+{
+ int rv;
+ ip6_hop_by_hop_main_t *hm = &ip6_hop_by_hop_main;
+ rv = ip6_ioam_set_rewrite (&hm->rewrite, trace_type, trace_option_elts,
+ has_pow_option, has_ppc_option);
+
+ switch (rv)
+ {
+ case 0:
+ hm->node_id = node_id;
+ hm->app_data = app_data;
+ hm->trace_type = trace_type;
+ hm->trace_option_elts = trace_option_elts;
+ hm->has_pow_option = has_pow_option;
+ hm->has_ppc_option = has_ppc_option;
+ hm->trace_tsp = trace_tsp;
+ break;
+
+ default:
+ return clib_error_return (0, "ip6_ioam_set_rewrite returned %d", rv);
+ }
+
+ return 0;
+}
+
+
static clib_error_t *
ip6_set_ioam_rewrite_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
- ip6_hop_by_hop_main_t *hm = &ip6_hop_by_hop_main;
u32 trace_option_elts = 0;
+ u32 trace_type = 0, node_id = 0;
+ u32 app_data = 0, trace_tsp = TSP_MICROSECONDS;
int has_pow_option = 0;
- int rv;
+ int has_ppc_option = 0;
+ clib_error_t * rv = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "trace-elts %d", &trace_option_elts))
- ;
+ if (unformat (input, "trace-type 0x%x trace-elts %d "
+ "trace-tsp %d node-id 0x%x app-data 0x%x",
+ &trace_type, &trace_option_elts, &trace_tsp,
+ &node_id, &app_data))
+ ;
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;
}
- rv = ip6_ioam_set_rewrite (&hm->rewrite, trace_option_elts, has_pow_option);
-
- switch (rv)
- {
- case 0:
- break;
- default:
- return clib_error_return (0, "ip6_ioam_set_rewrite returned %d", rv);
- }
-
- return 0;
+
+ rv = ip6_ioam_trace_profile_set(trace_option_elts, trace_type, node_id,
+ app_data, has_pow_option, trace_tsp, has_ppc_option);
+
+ return rv;
}
+
VLIB_CLI_COMMAND (ip6_set_ioam_rewrite_cmd, static) = {
.path = "set ioam rewrite",
- .short_help = "set ioam rewrite [trace-elts <nn>] [pow]",
+ .short_help = "set ioam rewrite trace-type <0x1f|0x3|0x9|0x11|0x19> trace-elts <nn> trace-tsp <0|1|2|3> node-id <node id in hex> app-data <app_data in hex> [pow] [ppc <encap|decap>]",
.function = ip6_set_ioam_rewrite_command_fn,
};
+static clib_error_t *
+ip6_show_ioam_summary_cmd_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ ip6_hop_by_hop_main_t *hm = &ip6_hop_by_hop_main;
+ u8 *s = 0;
+
+
+ if (!is_zero_ip6_address(&hm->adj))
+ {
+ s = format(s, " REWRITE FLOW CONFIGS - \n");
+ s = format(s, " Destination Address : %U\n",
+ format_ip6_address, &hm->adj, sizeof(ip6_address_t));
+ s = format(s, " Flow operation : %d (%s)\n", hm->ioam_flag,
+ (hm->ioam_flag == IOAM_HBYH_ADD) ? "Add" :
+ ((hm->ioam_flag == IOAM_HBYH_MOD) ? "Mod" : "Pop"));
+ }
+ else
+ {
+ s = format(s, " REWRITE FLOW CONFIGS - Not configured\n");
+ }
+
+ if (hm->trace_option_elts)
+ {
+ s = format(s, " HOP BY HOP OPTIONS - TRACE CONFIG - \n");
+ s = format(s, " Trace Type : 0x%x (%d)\n",
+ hm->trace_type, hm->trace_type);
+ s = format(s, " Trace timestamp precision : %d (%s)\n", hm->trace_tsp,
+ (hm->trace_tsp == TSP_SECONDS) ? "Seconds" :
+ ((hm->trace_tsp == TSP_MILLISECONDS) ? "Milliseconds" :
+ (((hm->trace_tsp == TSP_MICROSECONDS) ? "Microseconds" : "Nanoseconds"))));
+ s = format(s, " Num of trace nodes : %d\n",
+ hm->trace_option_elts);
+ s = format(s, " Node-id : 0x%x (%d)\n",
+ hm->node_id, hm->node_id);
+ s = format(s, " App Data : 0x%x (%d)\n",
+ hm->app_data, hm->app_data);
+ }
+ else
+ {
+ s = format(s, " HOP BY HOP OPTIONS - TRACE CONFIG - Not configured\n");
+ }
+
+ s = format(s, " POW OPTION - %d (%s)\n",
+ hm->has_pow_option, (hm->has_pow_option?"Enabled":"Disabled"));
+ if (hm->has_pow_option)
+ s = format(s, "Try 'show ioam sc-profile' for more information\n");
+
+ s = format(s, " EDGE TO EDGE - PPC OPTION - %d (%s)\n",
+ hm->has_ppc_option, ppc_state[hm->has_ppc_option]);
+ if (hm->has_ppc_option)
+ s = format(s, "Try 'show ioam ppc' for more information\n");
+
+ vlib_cli_output(vm, "%v", s);
+ vec_free(s);
+ return 0;
+}
+
+VLIB_CLI_COMMAND (ip6_show_ioam_run_cmd, static) = {
+ .path = "show ioam summary",
+ .short_help = "Summary of IOAM configuration",
+ .function = ip6_show_ioam_summary_cmd_fn,
+};
+
int ip6_ioam_set_destination (ip6_address_t *addr, u32 mask_width, u32 vrf_id,
int is_add, int is_pop, int is_none)
{
ip6_main_t * im = &ip6_main;
+ ip6_hop_by_hop_main_t * hm = &ip6_hop_by_hop_main;
ip_lookup_main_t * lm = &im->lookup_main;
ip_adjacency_t * adj;
u32 fib_index;
@@ -1072,6 +1311,9 @@ int ip6_ioam_set_destination (ip6_address_t *addr, u32 mask_width, u32 vrf_id,
if (is_pop)
adj->lookup_next_index = IP_LOOKUP_NEXT_POP_HOP_BY_HOP;
+ hm->adj = *addr;
+ hm->ioam_flag = (is_add ? IOAM_HBYH_ADD :
+ (is_pop ? IOAM_HBYH_POP : IOAM_HBYH_MOD));
return 0;
}
@@ -1129,11 +1371,12 @@ VLIB_CLI_COMMAND (ip6_set_ioam_destination_cmd, static) = {
.short_help = "set ioam destination <ip6-address>/<width> add | pop | none",
.function = ip6_set_ioam_destination_command_fn,
};
-
+
void vnet_register_ioam_end_of_path_callback (void *cb)
{
ip6_hop_by_hop_main_t * hm = &ip6_hop_by_hop_main;
hm->ioam_end_of_path_cb = cb;
}
+
diff --git a/vnet/vnet/ip/ip6_hop_by_hop.h b/vnet/vnet/ip/ip6_hop_by_hop.h
index 82bafc5777b..fc98ae2f668 100644
--- a/vnet/vnet/ip/ip6_hop_by_hop.h
+++ b/vnet/vnet/ip/ip6_hop_by_hop.h
@@ -23,13 +23,84 @@ typedef struct {
/* Trace data processing callback */
void *ioam_end_of_path_cb;
+ /* Configuration data */
+ /* Adjacency */
+ ip6_address_t adj;
+#define IOAM_HBYH_ADD 0
+#define IOAM_HBYH_MOD 1
+#define IOAM_HBYH_POP 2
+ u8 ioam_flag;
+ /* time scale transform. Joy. */
+ u32 unix_time_0;
+ f64 vlib_time_0;
+
+
+ /* Trace option */
+ u8 trace_type;
+ u8 trace_option_elts;
/* Configured node-id */
u32 node_id;
+ u32 app_data;
+
+ /* PoW option */
+ u8 has_pow_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
+ /* Time stamp precision. This is enumerated to above four options */
+ u32 trace_tsp;
/* convenience */
vlib_main_t * vlib_main;
vnet_main_t * vnet_main;
} ip6_hop_by_hop_main_t;
+extern ip6_hop_by_hop_main_t ip6_hop_by_hop_main;
+
+extern u8 * format_path_map(u8 * s, va_list * args);
+extern clib_error_t *
+ip6_ioam_trace_profile_set(u32 trace_option_elts, u32 trace_type, u32 node_id,
+ u32 app_data, int has_pow_option, u32 trace_tsp,
+ int has_e2e_option);
+extern int ip6_ioam_set_destination (ip6_address_t *addr, u32 mask_width,
+ u32 vrf_id, int is_add, int is_pop, int is_none);
+
+
+extern clib_error_t * clear_ioam_trace_fn();
+
+static inline u8 is_zero_ip4_address (ip4_address_t *a)
+{
+ return (a->as_u32 == 0);
+}
+
+static inline void copy_ip6_address (ip6_address_t *dst, ip6_address_t *src)
+{
+ dst->as_u64[0] = src->as_u64[0];
+ dst->as_u64[1] = src->as_u64[1];
+}
+
+static inline void set_zero_ip6_address (ip6_address_t *a)
+{
+ a->as_u64[0] = 0;
+ a->as_u64[1] = 0;
+}
+
+static inline u8 cmp_ip6_address (ip6_address_t *a1, ip6_address_t *a2)
+{
+ return ((a1->as_u64[0] == a2->as_u64[0]) && (a1->as_u64[1] == a2->as_u64[1]));
+}
+static inline u8 is_zero_ip6_address (ip6_address_t *a)
+{
+ return ((a->as_u64[0] == 0) && (a->as_u64[1] == 0));
+}
+
+extern ip6_hop_by_hop_main_t * hm;
#endif /* __included_ip6_hop_by_hop_h__ */
diff --git a/vnet/vnet/ip/ip6_hop_by_hop_packet.h b/vnet/vnet/ip/ip6_hop_by_hop_packet.h
index a3d19035dae..22ca2055261 100644
--- a/vnet/vnet/ip/ip6_hop_by_hop_packet.h
+++ b/vnet/vnet/ip/ip6_hop_by_hop_packet.h
@@ -39,29 +39,152 @@ typedef struct {
} ip6_hop_by_hop_option_t;
/* $$$$ IANA banana constants */
-#define HBH_OPTION_TYPE_IOAM_DATA_LIST 1
+#define HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST 1
#define HBH_OPTION_TYPE_IOAM_PROOF_OF_WORK 2
+#define HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE 3
+/*
typedef struct {
u32 ttl_node_id;
u16 ingress_if;
u16 egress_if;
u32 timestamp;
u32 app_data;
-} ioam_data_list_element_t;
+} ioam_trace_data_list_element_t;
+*/
+
+#define BIT_TTL_NODEID (1<<0)
+#define BIT_ING_INTERFACE (1<<1)
+#define BIT_EGR_INTERFACE (1<<2)
+#define BIT_TIMESTAMP (1<<3)
+#define BIT_APPDATA (1<<4)
+#define TRACE_TYPE_MASK 0x1F /* Mask of all above bits */
+
+/*
+ 0x00011111 iOAM-trace-type is 0x00011111 then the format of node
+ data is:
+
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Hop_Lim | node_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ingress_if_id | egress_if_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ + timestamp +
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | app_data |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+*/
+#define TRACE_TYPE_IF_TS_APP 0x1f
+typedef struct {
+ u32 ttl_node_id;
+ u16 ingress_if;
+ u16 egress_if;
+ u32 timestamp;
+ u32 app_data;
+} ioam_trace_if_ts_app_t;
+
+/*
+ 0x00000111 iOAM-trace-type is 0x00000111 then the format is:
+
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Hop_Lim | node_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | ingress_if_id | egress_if_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+*/
+
+#define TRACE_TYPE_IF 0x03
+typedef struct {
+ u32 ttl_node_id;
+ u16 ingress_if;
+ u16 egress_if;
+} ioam_trace_if_t;
+
+/*
+ 0x00001001 iOAM-trace-type is 0x00001001 then the format is:
+
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Hop_Lim | node_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ + timestamp +
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+*/
+
+#define TRACE_TYPE_TS 0x09
+typedef struct {
+ u32 ttl_node_id;
+ u32 timestamp;
+} ioam_trace_ts_t;
+
+/*
+ 0x00010001 iOAM-trace-type is 0x00010001 then the format is:
+
+
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Hop_Lim | node_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | app_data |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+*/
+
+
+#define TRACE_TYPE_APP 0x11
+typedef struct {
+ u32 ttl_node_id;
+ u32 app_data;
+} ioam_trace_app_t;
+
+/*
+
+ 0x00011001 iOAM-trace-type is 0x00011001 then the format is:
+
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | Hop_Lim | node_id |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ + timestamp +
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ | app_data |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
+
+#define TRACE_TYPE_TS_APP 0x19
+typedef struct {
+ u32 ttl_node_id;
+ u32 timestamp;
+ u32 app_data;
+} ioam_trace_ts_app_t;
+
typedef CLIB_PACKED(struct {
ip6_hop_by_hop_option_t hdr;
+ u8 ioam_trace_type;
u8 data_list_elts_left;
- ioam_data_list_element_t elts[0];
+ u32 elts[0]; /* Variable type. So keep it generic */
}) ioam_trace_option_t;
typedef CLIB_PACKED(struct {
ip6_hop_by_hop_option_t hdr;
u8 pow_type;
- u8 reserved;
- u32 random[2];
- u32 cumulative[2];
+#define PROFILE_ID_MASK 0xF
+ u8 reserved_profile_id; /* 4 bits reserved, 4 bits to carry profile id */
+ u64 random;
+ u64 cumulative;
}) ioam_pow_option_t;
+typedef CLIB_PACKED(struct {
+ ip6_hop_by_hop_option_t hdr;
+ u8 e2e_type;
+ u8 reserved;
+ u32 e2e_data;
+}) ioam_e2e_option_t;
+
#endif /* __included_ip6_hop_by_hop_packet_h__ */