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vpp_21.06-rc0~374-g452cd7e3b_ioam.patch
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diff --git a/src/plugins/dpdk/device/node.c b/src/plugins/dpdk/device/node.c
index 2eec74eaa..92ec0d36c 100644
--- a/src/plugins/dpdk/device/node.c
+++ b/src/plugins/dpdk/device/node.c
@@ -30,6 +30,8 @@
#include <dpdk/device/dpdk_priv.h>
+#include <vnet/ip/ip6.h>
+
static char *dpdk_error_strings[] = {
#define _(n,s) s,
foreach_dpdk_error
@@ -160,6 +162,55 @@ dpdk_ol_flags_extract (struct rte_mbuf **mb, u16 * flags, int count)
return rv;
}
+/*
+ * Inserts TX queue size and number of available descriptors
+*/
+static_always_inline void
+dpdk_insert_tx_ring_stats (vlib_buffer_t * b, dpdk_main_t * dm)
+{
+ /* Find the TX interface and get its queue */
+ u32 adj_index = vnet_buffer (b)->ip.adj_index[VLIB_TX];
+ ip_adjacency_t *adj = adj_get (adj_index);
+ if (adj)
+ {
+ // Get TX hardware interface index
+ u32 txid = adj->rewrite_header.sw_if_index;
+ txid = (vnet_get_sup_hw_interface (dm->vnet_main, txid))->hw_if_index;
+ // Get the device associated with the hardware index provided
+ vnet_hw_interface_t *hw = vnet_get_hw_interface (dm->vnet_main, txid);
+ if (hw)
+ {
+ dpdk_device_t *txd =
+ vec_elt_at_index (dm->devices, hw->dev_instance);
+ if (txd)
+ {
+ u16 ring_size = txd->nb_tx_desc;
+ u16 tx_port_id = txd->port_id;
+
+ u16 tx_queue_id = dm->vlib_main->thread_index % txd->tx_q_used;
+ u16 num_desc = 0;
+ u16 tx_ring_desc_avai = 0;
+ // Find number of available descriptors
+ do
+ {
+ if (rte_eth_tx_descriptor_status
+ (tx_port_id, tx_queue_id,
+ num_desc) == RTE_ETH_TX_DESC_DONE)
+ {
+ tx_ring_desc_avai++;
+ }
+ }
+ while (++num_desc < ring_size);
+ // Now put into buffer opaque2, 32-bit = [ring_size][descriptors available]
+ u32 *opaque = &vnet_buffer2 (b)->unused[7]; // 8, 32-bit words in opaque2, use last
+ *opaque =
+ clib_host_to_net_u32 (((u32) ring_size << 16) |
+ tx_ring_desc_avai);
+ }
+ }
+ }
+}
+
static_always_inline uword
dpdk_process_rx_burst (vlib_main_t * vm, dpdk_per_thread_data_t * ptd,
uword n_rx_packets, int maybe_multiseg,
@@ -175,6 +226,8 @@ dpdk_process_rx_burst (vlib_main_t * vm, dpdk_per_thread_data_t * ptd,
mb = ptd->mbufs;
flags = ptd->flags;
+ dpdk_main_t *dm = &dpdk_main;
+
/* copy template into local variable - will save per packet load */
vlib_buffer_copy_template (&bt, &ptd->buffer_template);
while (n_left >= 8)
@@ -221,6 +274,11 @@ dpdk_process_rx_burst (vlib_main_t * vm, dpdk_per_thread_data_t * ptd,
VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[2]);
VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[3]);
+ dpdk_insert_tx_ring_stats (b[0], dm);
+ dpdk_insert_tx_ring_stats (b[1], dm);
+ dpdk_insert_tx_ring_stats (b[2], dm);
+ dpdk_insert_tx_ring_stats (b[3], dm);
+
/* next */
mb += 4;
n_left -= 4;
@@ -240,6 +298,8 @@ dpdk_process_rx_burst (vlib_main_t * vm, dpdk_per_thread_data_t * ptd,
n_bytes += dpdk_process_subseq_segs (vm, b[0], mb[0], &bt);
VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]);
+ dpdk_insert_tx_ring_stats (b[0], dm);
+
/* next */
mb += 1;
n_left -= 1;
diff --git a/src/plugins/ioam/analyse/ioam_analyse.h b/src/plugins/ioam/analyse/ioam_analyse.h
index 2a2cc1582..639d8df94 100644
--- a/src/plugins/ioam/analyse/ioam_analyse.h
+++ b/src/plugins/ioam/analyse/ioam_analyse.h
@@ -45,7 +45,7 @@ typedef struct
u8 num_nodes;
/** Data contained in trace - NodeId, TTL, Ingress & Egress Link, Timestamp. */
- u8 trace_type;
+ u32 trace_type;
/** Flag to indicate whether node is allocated. */
u8 is_free;
@@ -138,46 +138,46 @@ ip6_ioam_analyse_calc_delay (ioam_trace_hdr_t * trace, u16 trace_len,
u32 start_time, end_time;
u8 done = 0;
- size_of_traceopt_per_node = fetch_trace_data_size (trace->ioam_trace_type);
+ size_of_traceopt_per_node = fetch_trace_data_size (trace_profile_find ());
// Unknown trace type
if (size_of_traceopt_per_node == 0)
return 0;
- size_of_all_traceopts = trace_len; /*ioam_trace_type,data_list_elts_left */
+ size_of_all_traceopts = trace_len; /*ioam_trace_type,node_len_flags_remaining_len */
num_nodes = (u8) (size_of_all_traceopts / size_of_traceopt_per_node);
- if ((num_nodes == 0) || (num_nodes <= trace->data_list_elts_left))
+ if ((num_nodes == 0) || (num_nodes <= (trace->node_len_flags_remaining_len & IOAM_REMAIN_LEN_MASK)))
return 0;
- num_nodes -= trace->data_list_elts_left;
+ num_nodes -= (trace->node_len_flags_remaining_len & IOAM_REMAIN_LEN_MASK);
- start_elt = trace->elts;
+ start_elt = trace->data_list;
end_elt =
- trace->elts +
+ trace->data_list +
(u32) ((size_of_traceopt_per_node / sizeof (u32)) * (num_nodes - 1));
- if (oneway && (trace->ioam_trace_type & BIT_TTL_NODEID))
+ if ((oneway && (trace->trace_type & IOAM_BIT_TTL_NODEID_SHORT)) || (oneway && (trace->trace_type & IOAM_BIT_TTL_NODEID_WIDE)))
+ {
+ done = 0;
+ do
{
- done = 0;
- do
- {
- uturn_elt = start_elt - size_of_traceopt_per_node / sizeof (u32);
-
- if ((clib_net_to_host_u32 (*start_elt) >> 24) <=
- (clib_net_to_host_u32 (*uturn_elt) >> 24))
- done = 1;
- }
- while (!done && (start_elt = uturn_elt) != end_elt);
- }
- if (trace->ioam_trace_type & BIT_TTL_NODEID)
- {
- start_elt++;
- end_elt++;
- }
- if (trace->ioam_trace_type & BIT_ING_INTERFACE)
- {
- start_elt++;
- end_elt++;
+ uturn_elt = start_elt - size_of_traceopt_per_node / sizeof (u32);
+
+ if ((clib_net_to_host_u32 (*start_elt) >> 24) <=
+ (clib_net_to_host_u32 (*uturn_elt) >> 24))
+ done = 1;
}
+ while (!done && (start_elt = uturn_elt) != end_elt);
+ }
+ if (trace->trace_type & IOAM_BIT_TTL_NODEID_SHORT)
+ {
+ start_elt++;
+ end_elt++;
+ }
+ if (trace->trace_type & IOAM_BIT_TTL_NODEID_WIDE)
+ {
+ start_elt++;
+ end_elt++;
+ }
start_time = clib_net_to_host_u32 (*start_elt);
end_time = clib_net_to_host_u32 (*end_elt);
@@ -197,17 +197,17 @@ ip6_ioam_analyse_set_paths_down (ioam_analyser_data_t * data)
trace_data = &data->trace_data;
for (i = 0; i < IOAM_MAX_PATHS_PER_FLOW; i++)
- {
- trace_record = trace_data->path_data + i;
+ {
+ trace_record = trace_data->path_data + i;
- if (trace_record->is_free)
- continue;
+ if (trace_record->is_free)
+ continue;
- path = trace_record->path;
+ path = trace_record->path;
- for (k = 0; k < trace_record->num_nodes; k++)
- path[k].state_up = 0;
- }
+ for (k = 0; k < trace_record->num_nodes; k++)
+ path[k].state_up = 0;
+ }
clib_spinlock_unlock (&data->writer_lock);
}
@@ -228,55 +228,49 @@ ip6_ioam_analyse_hbh_trace_loopback (ioam_analyser_data_t * data,
clib_spinlock_lock (&data->writer_lock);
trace_data = &data->trace_data;
-
- size_of_traceopt_per_node = fetch_trace_data_size (trace->ioam_trace_type);
+ size_of_traceopt_per_node = fetch_trace_data_size (trace_profile_find ());
if (0 == size_of_traceopt_per_node)
goto end;
size_of_all_traceopts = trace_len;
- ptr = (u8 *) trace->elts;
+ ptr = (u8 *) trace->data_list;
max_nodes = (u8) (size_of_all_traceopts / size_of_traceopt_per_node);
- num_nodes = max_nodes - trace->data_list_elts_left;
+ num_nodes = max_nodes - (trace->node_len_flags_remaining_len & IOAM_REMAIN_LEN_MASK);
for (i = 0; i < IOAM_MAX_PATHS_PER_FLOW; i++)
- {
- trace_record = trace_data->path_data + i;
- path = trace_record->path;
+ {
+ trace_record = trace_data->path_data + i;
+ path = trace_record->path;
- if (trace_record->is_free)
- continue;
+ if (trace_record->is_free)
+ continue;
- for (j = max_nodes, k = 0; k < num_nodes; j--, k++)
- {
- ptr =
- (u8 *) ((u8 *) trace->elts +
- (size_of_traceopt_per_node * (j - 1)));
+ for (j = max_nodes, k = 0; k < num_nodes; j--, k++)
+ {
+ ptr = (u8 *) ((u8 *) trace->data_list + (size_of_traceopt_per_node * (j - 1)));
+ nodeid = clib_net_to_host_u32 (*((u32 *) ptr)) & 0x00ffffff;
+ ptr += 4;
- nodeid = clib_net_to_host_u32 (*((u32 *) ptr)) & 0x00ffffff;
- ptr += 4;
+ if (nodeid != path[k].node_id)
+ goto end;
- if (nodeid != path[k].node_id)
- goto end;
-
- if ((trace->ioam_trace_type == TRACE_TYPE_IF_TS_APP) ||
- (trace->ioam_trace_type == TRACE_TYPE_IF))
+ if (trace->trace_type == IOAM_BIT_ING_EGR_INT_SHORT)
{
ingress_if = clib_net_to_host_u16 (*((u16 *) ptr));
ptr += 2;
egress_if = clib_net_to_host_u16 (*((u16 *) ptr));
- if ((ingress_if != path[k].ingress_if) ||
- (egress_if != path[k].egress_if))
- {
- goto end;
- }
+ if ((ingress_if != path[k].ingress_if) || (egress_if != path[k].egress_if))
+ {
+ goto end;
+ }
}
- /* Found Match - set path hop state to up */
- path[k].state_up = 1;
- }
- }
-end:
- clib_spinlock_unlock (&data->writer_lock);
+ /* Found Match - set path hop state to up */
+ path[k].state_up = 1;
+ }
+ }
+ end:
+ clib_spinlock_unlock (&data->writer_lock);
}
always_inline int
@@ -298,117 +292,108 @@ ip6_ioam_analyse_hbh_trace (ioam_analyser_data_t * data,
trace_data = &data->trace_data;
- size_of_traceopt_per_node = fetch_trace_data_size (trace->ioam_trace_type);
+ size_of_traceopt_per_node = fetch_trace_data_size (trace_profile_find ());
// Unknown trace type
if (size_of_traceopt_per_node == 0)
goto DONE;
size_of_all_traceopts = trace_len;
- ptr = (u8 *) trace->elts;
+ ptr = (u8 *) trace->data_list;
max_nodes = (u8) (size_of_all_traceopts / size_of_traceopt_per_node);
- num_nodes = max_nodes - trace->data_list_elts_left;
+ num_nodes = max_nodes - (trace->node_len_flags_remaining_len & IOAM_REMAIN_LEN_MASK);
for (i = 0; i < IOAM_MAX_PATHS_PER_FLOW; i++)
- {
- trace_record = trace_data->path_data + i;
+ {
+ trace_record = trace_data->path_data + i;
- if (trace_record->is_free ||
- (num_nodes != trace_record->num_nodes) ||
- (trace->ioam_trace_type != trace_record->trace_type))
- continue;
+ if (trace_record->is_free || (num_nodes != trace_record->num_nodes) || (trace->trace_type != trace_record->trace_type))
+ continue;
- path = trace_record->path;
+ path = trace_record->path;
- for (j = max_nodes, k = 0; k < num_nodes; j--, k++)
- {
- ptr =
- (u8 *) ((u8 *) trace->elts +
- (size_of_traceopt_per_node * (j - 1)));
+ for (j = max_nodes, k = 0; k < num_nodes; j--, k++)
+ {
+ ptr = (u8 *) ((u8 *) trace->data_list + (size_of_traceopt_per_node * (j - 1)));
- nodeid = clib_net_to_host_u32 (*((u32 *) ptr)) & 0x00ffffff;
- ptr += 4;
+ nodeid = clib_net_to_host_u32 (*((u32 *) ptr)) & 0x00ffffff;
+ ptr += 4;
- if (nodeid != path[k].node_id)
- break;
+ if (nodeid != path[k].node_id)
+ break;
- if ((trace->ioam_trace_type == TRACE_TYPE_IF_TS_APP) ||
- (trace->ioam_trace_type == TRACE_TYPE_IF))
- {
- ingress_if = clib_net_to_host_u16 (*((u16 *) ptr));
- ptr += 2;
- egress_if = clib_net_to_host_u16 (*((u16 *) ptr));
- if ((ingress_if != path[k].ingress_if) ||
- (egress_if != path[k].egress_if))
- {
- break;
- }
- }
- }
+ if(trace->trace_type == IOAM_BIT_ING_EGR_INT_SHORT)
+ {
+ ingress_if = clib_net_to_host_u16 (*((u16 *) ptr));
+ ptr += 2;
+ egress_if = clib_net_to_host_u16 (*((u16 *) ptr));
+ if ((ingress_if != path[k].ingress_if) || (egress_if != path[k].egress_if))
+ {
+ break;
+ }
+ }
+ }
- if (k == num_nodes)
- {
- goto found_match;
- }
+ if (k == num_nodes)
+ {
+ goto found_match;
}
+ }
for (i = 0; i < IOAM_MAX_PATHS_PER_FLOW; i++)
+ {
+ trace_record = trace_data->path_data + i;
+ if (trace_record->is_free)
{
- trace_record = trace_data->path_data + i;
- if (trace_record->is_free)
- {
- trace_record->is_free = 0;
- trace_record->num_nodes = num_nodes;
- trace_record->trace_type = trace->ioam_trace_type;
- path = trace_data->path_data[i].path;
- trace_record->pkt_counter = 0;
- trace_record->bytes_counter = 0;
- trace_record->min_delay = 0xFFFFFFFF;
- trace_record->max_delay = 0;
- trace_record->mean_delay = 0;
- break;
- }
+ trace_record->is_free = 0;
+ trace_record->num_nodes = num_nodes;
+ trace_record->trace_type = trace->trace_type;
+ path = trace_data->path_data[i].path;
+ trace_record->pkt_counter = 0;
+ trace_record->bytes_counter = 0;
+ trace_record->min_delay = 0xFFFFFFFF;
+ trace_record->max_delay = 0;
+ trace_record->mean_delay = 0;
+ break;
}
+ }
for (j = max_nodes, k = 0; k < num_nodes; j--, k++)
+ {
+ ptr = (u8 *) ((u8 *) trace->data_list + (size_of_traceopt_per_node * (j - 1)));
+
+ path[k].node_id = clib_net_to_host_u32 (*((u32 *) ptr)) & 0x00ffffff;
+ ptr += 4;
+
+ if(trace->trace_type == IOAM_BIT_ING_EGR_INT_SHORT)
{
- ptr =
- (u8 *) ((u8 *) trace->elts + (size_of_traceopt_per_node * (j - 1)));
-
- path[k].node_id = clib_net_to_host_u32 (*((u32 *) ptr)) & 0x00ffffff;
- ptr += 4;
-
- if ((trace->ioam_trace_type == TRACE_TYPE_IF_TS_APP) ||
- (trace->ioam_trace_type == TRACE_TYPE_IF))
- {
- path[k].ingress_if = clib_net_to_host_u16 (*((u16 *) ptr));
- ptr += 2;
- path[k].egress_if = clib_net_to_host_u16 (*((u16 *) ptr));
- }
+ path[k].ingress_if = clib_net_to_host_u16 (*((u16 *) ptr));
+ ptr += 2;
+ path[k].egress_if = clib_net_to_host_u16 (*((u16 *) ptr));
}
+ }
-found_match:
- /* Set path state to UP */
- for (k = 0; k < num_nodes; k++)
- path[k].state_up = 1;
+ found_match:
+ /* Set path state to UP */
+ for (k = 0; k < num_nodes; k++)
+ path[k].state_up = 1;
- trace_record->pkt_counter++;
- trace_record->bytes_counter += pak_len;
- if (trace->ioam_trace_type & BIT_TIMESTAMP)
+ trace_record->pkt_counter++;
+ trace_record->bytes_counter += pak_len;
+ if (trace->trace_type & IOAM_BIT_TIMESTAMP_SEC)
{
/* Calculate time delay */
u32 delay = (u32) ip6_ioam_analyse_calc_delay (trace, trace_len, 0);
if (delay < trace_record->min_delay)
- trace_record->min_delay = delay;
+ trace_record->min_delay = delay;
else if (delay > trace_record->max_delay)
- trace_record->max_delay = delay;
+ trace_record->max_delay = delay;
u64 sum = (trace_record->mean_delay * data->seqno_data.rx_packets);
- trace_record->mean_delay =
- (u32) ((sum + delay) / (data->seqno_data.rx_packets + 1));
+ trace_record->mean_delay = (u32) ((sum + delay) / (data->seqno_data.rx_packets + 1));
}
-DONE:
- clib_spinlock_unlock (&data->writer_lock);
- return 0;
+ DONE:
+ clib_spinlock_unlock (&data->writer_lock);
+ return 0;
}
always_inline int
@@ -433,14 +418,12 @@ format_path_map (u8 * s, va_list * args)
u32 i;
for (i = 0; i < num_of_elts; i++)
- {
- s =
- format (s,
- "node_id: 0x%x, ingress_if: 0x%x, egress_if:0x%x, state:%s\n",
- pm->node_id, pm->ingress_if, pm->egress_if,
- pm->state_up ? "UP" : "DOWN");
- pm++;
- }
+ {
+ s = format (s, "node_id: 0x%x, ingress_if: 0x%x, egress_if:0x%x, state:%s\n",
+ pm->node_id, pm->ingress_if, pm->egress_if,
+ pm->state_up ? "UP" : "DOWN");
+ pm++;
+ }
return (s);
}
@@ -458,20 +441,20 @@ print_analyse_flow (u8 * s, ioam_analyser_data_t * record)
s = format (s, "Trace data: \n");
for (j = 0; j < IOAM_MAX_PATHS_PER_FLOW; j++)
- {
- trace_record = record->trace_data.path_data + j;
- if (trace_record->is_free)
- continue;
-
- s = format (s, "path_map:\n%U", format_path_map,
- trace_record->path, trace_record->num_nodes);
- s = format (s, "pkt_counter: %u\n", trace_record->pkt_counter);
- s = format (s, "bytes_counter: %u\n", trace_record->bytes_counter);
-
- s = format (s, "min_delay: %u\n", trace_record->min_delay);
- s = format (s, "max_delay: %u\n", trace_record->max_delay);
- s = format (s, "mean_delay: %u\n", trace_record->mean_delay);
- }
+ {
+ trace_record = record->trace_data.path_data + j;
+ if (trace_record->is_free)
+ continue;
+
+ s = format (s, "path_map:\n%U", format_path_map,
+ trace_record->path, trace_record->num_nodes);
+ s = format (s, "pkt_counter: %u\n", trace_record->pkt_counter);
+ s = format (s, "bytes_counter: %u\n", trace_record->bytes_counter);
+
+ s = format (s, "min_delay: %u\n", trace_record->min_delay);
+ s = format (s, "max_delay: %u\n", trace_record->max_delay);
+ s = format (s, "mean_delay: %u\n", trace_record->mean_delay);
+ }
s = format (s, "\nPOT data: \n");
s = format (s, "sfc_validated_count : %u\n",
diff --git a/src/plugins/ioam/encap/ip6_ioam_trace.c b/src/plugins/ioam/encap/ip6_ioam_trace.c
index ea4966104..f7a0aad0e 100644
--- a/src/plugins/ioam/encap/ip6_ioam_trace.c
+++ b/src/plugins/ioam/encap/ip6_ioam_trace.c
@@ -14,6 +14,7 @@
*/
#include <vlib/vlib.h>
#include <vnet/vnet.h>
+#include <vnet/pg/pg.h>
#include <vppinfra/error.h>
#include <vpp/app/version.h>
@@ -33,10 +34,15 @@
#include <ioam/udp-ping/udp_ping_packet.h>
#include <ioam/udp-ping/udp_ping_util.h>
+// For transit delay
+#include <timestamp/timestamp.h>
+// For queue depth
+#include <linux/if_packet.h>
+#include <vnet/devices/af_packet/af_packet.h>
/* Timestamp precision multipliers for seconds, milliseconds, microseconds
* and nanoseconds respectively.
*/
-static f64 trace_tsp_mul[4] = { 1, 1e3, 1e6, 1e9 };
+static f64 trace_tsp_mul[IOAM_TSP_OPTION_SIZE] = { 1, 1e3, 1e6, 1e9 };
typedef union
{
@@ -86,61 +92,128 @@ always_inline void
ip6_ioam_trace_stats_increment_counter (u32 counter_index, u64 increment)
{
ip6_hop_by_hop_ioam_trace_main_t *hm = &ip6_hop_by_hop_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++;
- }
-
+ u32 *trace_type_p = va_arg (*args, u32 *);
+ u32 trace_type = *trace_type_p;
+
+ if (trace_type & IOAM_BIT_TTL_NODEID_SHORT)
+ {
+ u32 ttl_node_id_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", ttl: 0x%x, node id short: 0x%x",
+ ttl_node_id_host_byte_order >> 24,
+ ttl_node_id_host_byte_order & IOAM_EMPTY_FIELD_U24);
+
+ elt++;
+ }
+ if (trace_type & IOAM_BIT_ING_EGR_INT_SHORT)
+ {
+ u32 ingress_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", ingress sw: %d, egress sw: %d",
+ ingress_host_byte_order >> 16,
+ ingress_host_byte_order & IOAM_EMPTY_FIELD_U16);
+ elt++;
+ }
+ if (trace_type & IOAM_BIT_TIMESTAMP_SEC)
+ {
+ u32 ts_in_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", timestamp (s): 0x%x", ts_in_host_byte_order);
+ elt++;
+ }
+
+ if (trace_type & IOAM_BIT_TIMESTAMP_SUB_SEC)
+ {
+ u32 ts_sub_in_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", timestamp (sub-sec): 0x%x", ts_sub_in_host_byte_order);
+ elt++;
+ }
+
+ if (trace_type & IOAM_BIT_TRANSIT_DELAY)
+ {
+ u32 transit_delay_in_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", transit delay (ns): 0x%x", transit_delay_in_host_byte_order);
+ elt++;
+ }
+
+ if (trace_type & IOAM_BIT_APPDATA_SHORT_DATA)
+ {
+ u32 appdata_in_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", appdata: 0x%x", appdata_in_host_byte_order);
+ elt++;
+ }
+
+ if (trace_type & IOAM_BIT_QUEUE_DEPTH)
+ {
+ u32 queue_in_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", queue depth: 0x%x", queue_in_host_byte_order);
+ elt++;
+ }
+
+ if (trace_type & IOAM_BIT_CHECKSUM_COMPLEMENT)
+ {
+ u32 cc_in_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", checksum complement: 0x%x", cc_in_host_byte_order);
+ elt++;
+ }
+
+ if (trace_type & IOAM_BIT_TTL_NODEID_WIDE)
+ {
+ u64 *ttl_node_id_p = (u64 *)elt;
+ u64 ttl_node_id = clib_net_to_host_u64 (*ttl_node_id_p);
+ elt += 2;
+
+ s = format (s, ", ttl: 0x%x, node id wide: 0x%Lx",
+ ttl_node_id >> 56,
+ (ttl_node_id & IOAM_EMPTY_FIELD_U56));
+
+ }
+
+ if (trace_type & IOAM_BIT_ING_EGR_INT_WIDE)
+ {
+ u32 ingress_wide_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", ingress hw: %d", ingress_wide_host_byte_order);
+ elt++;
+
+ u32 egress_wide_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", egress hw: %d", egress_wide_host_byte_order);
+ elt++;
+ }
+
+ if (trace_type & IOAM_BIT_APPDATA_WIDE_DATA)
+ {
+ u64 *app_data_wide_host_byte_order_p = (u64 *)elt;
+ u64 app_data_wide_host_byte_order = clib_net_to_host_u64 (*app_data_wide_host_byte_order_p);
+ s = format (s, ", appdata wide: 0x%x", app_data_wide_host_byte_order);
+ elt += 2;
+ }
+
+ if (trace_type & IOAM_BIT_BUFFER_OCCUPANCY)
+ {
+ u32 buffer_occ_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", buffers available: %d", buffer_occ_host_byte_order);
+ elt++;
+ }
+
+ if (trace_type & IOAM_BIT_VAR_LEN_OP_ST_SNSH)
+ {
+ u32 opaque_len_id_host_byte_order = clib_net_to_host_u32 (*elt);
+ s = format (s, ", opaque len: %d , opaque id: 0x%x", \
+ IOAM_GET_OPAQUE_LEN(opaque_len_id_host_byte_order), IOAM_OPAQUE_SCHEMEID_MASK & opaque_len_id_host_byte_order);
+ elt++;
+ }
return s;
}
-
int
ip6_ioam_trace_get_sizeof_handler (u32 * result)
{
- u16 size = 0;
- u8 trace_data_size = 0;
+ u32 size = 0;
+ u32 trace_data_size = 0;
trace_profile *profile = NULL;
*result = 0;
@@ -148,67 +221,73 @@ ip6_ioam_trace_get_sizeof_handler (u32 * result)
profile = trace_profile_find ();
if (PREDICT_FALSE (!profile))
- {
- ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1);
- return (-1);
- }
+ {
+ ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1);
+ return (-1);
+ }
- trace_data_size = fetch_trace_data_size (profile->trace_type);
+ trace_data_size = fetch_trace_data_size (profile);
if (PREDICT_FALSE (trace_data_size == 0))
- return VNET_API_ERROR_INVALID_VALUE;
+ {
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
if (PREDICT_FALSE (profile->num_elts * trace_data_size > 254))
+ {
return VNET_API_ERROR_INVALID_VALUE;
-
- size +=
- sizeof (ioam_trace_option_t) + (profile->num_elts * trace_data_size);
+ }
+ size += sizeof (ioam_trace_option_t) + (profile->num_elts * trace_data_size);
*result = size;
return 0;
}
-
-
int
-ip6_hop_by_hop_ioam_trace_rewrite_handler (u8 * rewrite_string,
- u8 * rewrite_size)
+ip6_hop_by_hop_ioam_trace_rewrite_handler (u8 * rewrite_string, u8 * rewrite_size)
{
ioam_trace_option_t *trace_option = NULL;
- u8 trace_data_size = 0;
+ u32 trace_data_size = 0;
u8 trace_option_elts = 0;
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);
- }
+ {
+ ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1);
+ 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_data_size = fetch_trace_data_size (profile);
trace_option = (ioam_trace_option_t *) rewrite_string;
- trace_option->hdr.type = HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST |
- 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->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);
+ trace_option->hdr.type = HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST | HBH_OPTION_TYPE_DATA_CHANGE_ENROUTE;
+ // LENGTH
+ trace_option->hdr.length = sizeof(ioam_trace_hdr_t) + (trace_option_elts * trace_data_size) + 2; /* ip6_hop_by_hop_option_t: reserved and ioam_type */
+ trace_option->hdr.ioam_type = profile->option_type;
+ // ioam_trace_hdr_t things
+ trace_option->trace_hdr.namespace_id = clib_host_to_net_u16(profile->namespace_id);
+ u16 node_len = trace_data_size >> 2; // In 4-octets
+ if(IOAM_GET_OPAQUE_LEN(profile->opaque.len_schemeid))
+ {
+ node_len += IOAM_GET_OPAQUE_LEN(profile->opaque.len_schemeid); // Should already be in 4 octets
+ }
+ u16 nlfrl = IOAM_SET_NODE_LEN(node_len);
+ nlfrl |= (IOAM_REMAIN_LEN_MASK & trace_option_elts);
+ trace_option->trace_hdr.node_len_flags_remaining_len = clib_host_to_net_u16(nlfrl);
+ trace_option->trace_hdr.trace_type = IOAM_SET_TRACETYPE(profile->trace_type);
+ // LENGTH
+ *rewrite_size = sizeof (ioam_trace_option_t) + (trace_option_elts * trace_data_size);
return 0;
}
-
always_inline void
-ip6_hbh_ioam_loopback_handler (vlib_buffer_t * b, ip6_header_t * ip,
- ioam_trace_option_t * trace)
+ip6_hbh_ioam_loopback_handler (vlib_buffer_t * b, ip6_header_t * ip, ioam_trace_option_t * trace)
{
u32 buf_index;
ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
@@ -236,12 +315,11 @@ ip6_hbh_ioam_loopback_handler (vlib_buffer_t * b, ip6_header_t * ip,
ip6 = vlib_buffer_get_current (b0);
hbh = (ip6_hop_by_hop_header_t *) (ip6 + 1);
- opt = (ioam_trace_option_t *)
- ip6_hbh_get_option (hbh, HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST);
+ opt = (ioam_trace_option_t *)ip6_hbh_get_option (hbh, HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST);
udp = (udp_ping_t *) ((u8 *) hbh + ((hbh->length + 1) << 3));
udp_ping_create_reply_from_probe_ip6 (ip6, hbh, udp);
- ip6_hbh_ioam_trace_set_bit (opt, BIT_LOOPBACK_REPLY);
+ ip6_hbh_ioam_trace_set_flag_bit (opt, IOAM_BIT_FLAG_LOOPBACK_REPLY);
*to_next = buf_index;
nf->n_vectors++;
@@ -250,105 +328,268 @@ ip6_hbh_ioam_loopback_handler (vlib_buffer_t * b, ip6_header_t * ip,
vlib_put_frame_to_node (hm->vlib_main, next_node->index, nf);
ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_LOOPBACK, 1);
}
-
int
-ip6_hbh_ioam_trace_data_list_handler (vlib_buffer_t * b, ip6_header_t * ip,
- ip6_hop_by_hop_option_t * opt)
+ip6_hbh_ioam_trace_data_list_handler (vlib_buffer_t * b, ip6_header_t * ip, ip6_hop_by_hop_option_t * opt)
{
ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
u8 elt_index = 0;
ioam_trace_option_t *trace = (ioam_trace_option_t *) opt;
u32 adj_index = vnet_buffer (b)->ip.adj_index[VLIB_TX];
ip_adjacency_t *adj = adj_get (adj_index);
- time_u64_t time_u64;
u32 *elt;
int rv = 0;
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);
- }
+ {
+ ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1);
+ return (-1);
+ }
+
+ // Ignore if namespace ID is different
+ if(clib_net_to_host_u16(trace->trace_hdr.namespace_id) != profile->namespace_id)
+ {
+ return rv;
+ }
+
+ if(profile->node_type & IOAM_NODE_DECAP)
+ {
+ vnet_buffer (b)->l2_classify.opaque_index |= 0x80000000;
+ }
/* Don't trace loopback reply packets */
- if (trace->trace_hdr.ioam_trace_type & BIT_LOOPBACK_REPLY)
+ u16 nlfrl_host = clib_net_to_host_u16(trace->trace_hdr.node_len_flags_remaining_len);
+ if ((IOAM_FLAGS_MASK & nlfrl_host) & IOAM_BIT_FLAG_LOOPBACK_REPLY)
+ {
+ ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_LOOPBACK_REPLY, 1);
+ return rv;
+ }
+
+ u32 data_list_elts_left = IOAM_REMAIN_LEN_MASK & nlfrl_host;
+
+ if (PREDICT_TRUE (data_list_elts_left))
+ {
+ data_list_elts_left--;
+ nlfrl_host &= (~IOAM_REMAIN_LEN_MASK);
+ nlfrl_host |= data_list_elts_left;
+ trace->trace_hdr.node_len_flags_remaining_len = clib_host_to_net_u16(nlfrl_host);
+ /* fetch_trace_data_size returns in bytes. Convert it to 4-bytes
+ * to skip to this node's location.
+ */
+ elt_index = data_list_elts_left * fetch_trace_data_size (profile) / 4;
+ elt = &trace->trace_hdr.data_list[elt_index];
+
+ // START writing the telemtry info
+ u32 trace_type = IOAM_GET_TRACETYPE(trace->trace_hdr.trace_type);
+
+ time_u64_t time_u64;
+ // reports TTL and user defined node-id-short, different from -wide
+ if (trace_type & IOAM_BIT_TTL_NODEID_SHORT)
{
- ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_LOOPBACK_REPLY,
- 1);
- return rv;
+ u32 node_id = profile->node_id_short;
+ if(!node_id)
+ {
+ node_id = IOAM_EMPTY_FIELD_U24;
+ }
+ *elt = clib_host_to_net_u32 ((ip->hop_limit << 24) | node_id);
+ elt++;
}
-
- time_u64.as_u64 = 0;
-
- if (PREDICT_TRUE (trace->trace_hdr.data_list_elts_left))
+ // reports software interface index
+ if (trace_type & IOAM_BIT_ING_EGR_INT_SHORT)
{
- 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->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->trace_hdr.ioam_trace_type & BIT_ING_INTERFACE)
- {
- *elt =
- (vnet_buffer (b)->sw_if_index[VLIB_RX] & 0xFFFF) << 16 |
- (adj->rewrite_header.sw_if_index & 0xFFFF);
- *elt = clib_host_to_net_u32 (*elt);
- elt++;
- }
-
- if (trace->trace_hdr.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->trace_hdr.ioam_trace_type & BIT_APPDATA)
- {
- /* $$$ set elt0->app_data */
- *elt = clib_host_to_net_u32 (profile->app_data);
- elt++;
- }
-
-
- if (PREDICT_FALSE (trace->trace_hdr.ioam_trace_type & BIT_LOOPBACK))
- {
- /* if loopback flag set then copy the packet
- * and send it back to source */
- ip6_hbh_ioam_loopback_handler (b, ip, trace);
- }