#include <vppinfra/elog.h>
#include <vnet/ip/ip6_hop_by_hop.h>
+#include <vnet/lib-scv/scv_util.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;
+#define OI_DECAP 100
+
+#define foreach_ip6_hbyh_input_next \
+ _(IP6_REWRITE, "ip6-rewrite") \
+ _(IP6_LOOKUP, "ip6-lookup") \
+ _(IP6_HBYH, "ip6-hop-by-hop")\
+ _(IP6_POP_HBYH, "ip6-pop-hop-by-hop")\
+ _(DROP, "error-drop")
+
+typedef enum {
+#define _(s,n) IP6_HBYH_INPUT_NEXT_##s,
+ foreach_ip6_hbyh_input_next
+#undef _
+ IP6_HBYH_INPUT_N_NEXT,
+} ip6_hbyh_input_next_t;
+
/*
* ip6 hop-by-hop option handling. We push pkts with h-b-h options to
* ip6_hop_by_hop_node_fn from ip6-lookup at a cost of ~2 clocks/pkt in
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(u8 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;
+}
+static u8 * format_ioam_pow (u8 * s, va_list * args)
+{
+ ioam_pow_option_t * pow0 = va_arg (*args, ioam_pow_option_t *);
+ u64 random, cumulative;
+ random = cumulative = 0;
+ if (pow0)
+ {
+ random = clib_net_to_host_u64 (pow0->random);
+ cumulative = clib_net_to_host_u64 (pow0->cumulative);
+ }
+
+ s = format (s, "random = 0x%Lx, Cumulative = 0x%Lx, Index = 0x%x",
+ random, cumulative, pow0->reserved_profile_id);
return s;
}
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;
+ ioam_pow_option_t * pow0;
hbh0 = (ip6_hop_by_hop_header_t *)t->option_data;
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 *)
case HBH_OPTION_TYPE_IOAM_PROOF_OF_WORK:
s = format (s, " POW opt present\n");
+ pow0 = (ioam_pow_option_t *) opt0;
+ s = format (s, " %U\n", format_ioam_pow,pow0);
+
opt0 = (ip6_hop_by_hop_option_t *)
(((u8 *)opt0) + sizeof (ioam_pow_option_t));
break;
vlib_node_registration_t ip6_hop_by_hop_node;
#define foreach_ip6_hop_by_hop_error \
-_(PROCESSED, "Pkts with ip6 hop-by-hop options")
+_(PROCESSED, "Pkts with ip6 hop-by-hop options") \
+_(PROFILE_MISS, "Pkts with ip6 hop-by-hop options but no profile set") \
+_(UNKNOWN_OPTION, "Unknown ip6 hop-by-hop options")
typedef enum {
#define _(sym,str) IP6_HOP_BY_HOP_ERROR_##sym,
ip6_hop_by_hop_main_t * hm = &ip6_hop_by_hop_main;
u32 n_left_from, * from, * to_next;
ip_lookup_next_t next_index;
- u32 processed = 0;
+ u32 processed = 0, unknown_opts = 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;
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;
+ ioam_pow_option_t * pow0;
+ u32 * elt0;
u8 type0;
-
+ u64 random = 0, cumulative = 0;
+ u8 pow_encap = 0;
+
/* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
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 *)
break;
case HBH_OPTION_TYPE_IOAM_PROOF_OF_WORK:
+ pow_profile = scv_profile_find(pow_profile_index);
+ if (PREDICT_FALSE(!pow_profile))
+ {
+ vlib_node_increment_counter (vm,
+ ip6_hop_by_hop_node.index,
+ IP6_HOP_BY_HOP_ERROR_PROFILE_MISS, 1);
+
+ opt0 = (ip6_hop_by_hop_option_t *)
+ (((u8 *)opt0) + sizeof (ioam_pow_option_t));
+ break;
+ }
+ pow0 = (ioam_pow_option_t *) opt0;
+ pow_encap = (pow0->random == 0);
+ if (pow_encap)
+ {
+ if (PREDICT_FALSE(total_pkts_using_this_profile >=
+ pow_profile->validity))
+ {
+ /* Choose a new profile */
+ u16 new_profile_index;
+ new_profile_index =
+ scv_get_next_profile_id(vm,
+ pow_profile_index);
+ if (new_profile_index != pow_profile_index)
+ {
+ /* Got a new profile */
+ scv_profile_invalidate(vm, hm,
+ pow_profile_index,
+ pow_encap);
+ pow_profile_index = new_profile_index;
+ pow_profile =
+ scv_profile_find(pow_profile_index);
+ total_pkts_using_this_profile = 0;
+ }
+ else
+ {
+ scv_profile_invalidate(vm, hm,
+ pow_profile_index,
+ pow_encap);
+ }
+ }
+ pow0->reserved_profile_id =
+ pow_profile_index & PROFILE_ID_MASK;
+ total_pkts_using_this_profile++;
+ }
+ else
+ { /* Non encap node */
+ if (PREDICT_FALSE(pow0->reserved_profile_id !=
+ pow_profile_index))
+ {
+ /* New profile announced by encap node. */
+ scv_profile *new_profile = 0;
+ new_profile =
+ scv_profile_find(pow0->reserved_profile_id);
+ if (PREDICT_FALSE(new_profile == 0 ||
+ new_profile->validity == 0))
+ {
+ /* Profile is invalid. Use old profile*/
+ vlib_node_increment_counter (vm,
+ ip6_hop_by_hop_node.index,
+ IP6_HOP_BY_HOP_ERROR_PROFILE_MISS, 1);
+ scv_profile_invalidate(vm, hm,
+ pow0->reserved_profile_id,
+ pow_encap);
+ }
+ else
+ {
+ scv_profile_invalidate(vm, hm,
+ pow_profile_index,
+ pow_encap);
+ pow_profile_index = pow0->reserved_profile_id;
+ pow_profile = new_profile;
+ total_pkts_using_this_profile = 0;
+ }
+ }
+ total_pkts_using_this_profile++;
+ }
+
+ if (pow0->random == 0)
+ {
+ pow0->random = clib_host_to_net_u64(
+ scv_generate_random(pow_profile));
+ pow0->cumulative = 0;
+ }
+ random = clib_net_to_host_u64(pow0->random);
+ cumulative = clib_net_to_host_u64(pow0->cumulative);
+ pow0->cumulative = clib_host_to_net_u64(
+ scv_update_cumulative(pow_profile,
+ cumulative,
+ random));
opt0 = (ip6_hop_by_hop_option_t *)
(((u8 *)opt0) + sizeof (ioam_pow_option_t));
break;
case 0: /* Pad */
opt0 = (ip6_hop_by_hop_option_t *) ((u8 *)opt0) + 1;
goto out0;
+
+ default:
+ opt0 = (ip6_hop_by_hop_option_t *)
+ (((u8 *)opt0) + opt0->length
+ + sizeof (ip6_hop_by_hop_option_t));
+ unknown_opts++;
+ break;
}
}
out0:
-
- /*
- * Since we push pkts here from the h-b-h header imposition code
- * we have to be careful what we wish for...
- */
- next0 = adj0->lookup_next_index != IP_LOOKUP_NEXT_ADD_HOP_BY_HOP ?
- adj0->lookup_next_index : adj0->saved_lookup_next_index;
+ next0 = (vnet_buffer(b0)->l2_classify.opaque_index == OI_DECAP) ?
+ IP6_HBYH_INPUT_NEXT_IP6_POP_HBYH : IP6_HBYH_INPUT_NEXT_IP6_REWRITE;
+ vnet_buffer(b0)->l2_classify.opaque_index = ~0;
if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
&& (b0->flags & VLIB_BUFFER_IS_TRACED)))
trace_len = trace_len < ARRAY_LEN(t->option_data) ?
trace_len : ARRAY_LEN(t->option_data);
t->trace_len = trace_len;
- memcpy (t->option_data, hbh0, trace_len);
+ clib_memcpy (t->option_data, hbh0, trace_len);
}
processed++;
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
+ if (PREDICT_FALSE(unknown_opts > 0)) {
+ vlib_node_increment_counter (vm, ip6_hop_by_hop_node.index,
+ IP6_HOP_BY_HOP_ERROR_UNKNOWN_OPTION, unknown_opts);
+ }
+
vlib_node_increment_counter (vm, ip6_hop_by_hop_node.index,
IP6_HOP_BY_HOP_ERROR_PROCESSED, processed);
return frame->n_vectors;
.n_errors = ARRAY_LEN(ip6_hop_by_hop_error_strings),
.error_strings = ip6_hop_by_hop_error_strings,
- /* See ip/lookup.h */
- .n_next_nodes = IP_LOOKUP_N_NEXT,
+ .n_next_nodes = IP6_HBYH_INPUT_N_NEXT,
.next_nodes = {
- [IP_LOOKUP_NEXT_MISS] = "ip6-miss",
- [IP_LOOKUP_NEXT_DROP] = "ip6-drop",
- [IP_LOOKUP_NEXT_PUNT] = "ip6-punt",
- [IP_LOOKUP_NEXT_LOCAL] = "ip6-local",
- [IP_LOOKUP_NEXT_ARP] = "ip6-discover-neighbor",
- [IP_LOOKUP_NEXT_REWRITE] = "ip6-rewrite",
- [IP_LOOKUP_NEXT_CLASSIFY] = "ip6-classify",
- [IP_LOOKUP_NEXT_MAP] = "ip6-map",
- [IP_LOOKUP_NEXT_MAP_T] = "ip6-map-t",
- [IP_LOOKUP_NEXT_SIXRD] = "ip6-sixrd",
- /* Next 3 arcs probably never used */
- [IP_LOOKUP_NEXT_HOP_BY_HOP] = "ip6-hop-by-hop",
- [IP_LOOKUP_NEXT_ADD_HOP_BY_HOP] = "ip6-add-hop-by-hop",
- [IP_LOOKUP_NEXT_POP_HOP_BY_HOP] = "ip6-pop-hop-by-hop",
+#define _(s,n) [IP6_HBYH_INPUT_NEXT_##s] = n,
+ foreach_ip6_hbyh_input_next
+#undef _
},
};
+VLIB_NODE_FUNCTION_MULTIARCH (ip6_hop_by_hop_node, ip6_hop_by_hop_node_fn)
+
/* The main h-b-h tracer will be invoked, no need to do much here */
typedef struct {
u32 next_index;
hbh0 = (ip6_hop_by_hop_header_t *)(ip0 + 1);
/* $$$ tune, rewrite_length is a multiple of 8 */
- memcpy (hbh0, rewrite, rewrite_length);
+ clib_memcpy (hbh0, rewrite, rewrite_length);
/* Patch the protocol chain, insert the h-b-h (type 0) header */
hbh0->protocol = ip0->protocol;
ip0->protocol = 0;
ip0->payload_length = clib_host_to_net_u16 (new_l0);
/* Populate the (first) h-b-h list elt */
- next0 = IP_LOOKUP_NEXT_HOP_BY_HOP;
+ next0 = IP6_HBYH_INPUT_NEXT_IP6_LOOKUP;
if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
&& (b0->flags & VLIB_BUFFER_IS_TRACED)))
.error_strings = ip6_add_hop_by_hop_error_strings,
/* See ip/lookup.h */
- .n_next_nodes = IP_LOOKUP_N_NEXT,
+ .n_next_nodes = IP6_HBYH_INPUT_N_NEXT,
.next_nodes = {
- [IP_LOOKUP_NEXT_MISS] = "ip6-miss",
- [IP_LOOKUP_NEXT_DROP] = "ip6-drop",
- [IP_LOOKUP_NEXT_PUNT] = "ip6-punt",
- [IP_LOOKUP_NEXT_LOCAL] = "ip6-local",
- [IP_LOOKUP_NEXT_ARP] = "ip6-discover-neighbor",
- [IP_LOOKUP_NEXT_REWRITE] = "ip6-rewrite",
- [IP_LOOKUP_NEXT_CLASSIFY] = "ip6-classify",
- [IP_LOOKUP_NEXT_MAP] = "ip6-map",
- [IP_LOOKUP_NEXT_MAP_T] = "ip6-map-t",
- [IP_LOOKUP_NEXT_SIXRD] = "ip6-sixrd",
- /* Next 3 arcs probably never used */
- [IP_LOOKUP_NEXT_HOP_BY_HOP] = "ip6-hop-by-hop",
- [IP_LOOKUP_NEXT_ADD_HOP_BY_HOP] = "ip6-add-hop-by-hop",
- [IP_LOOKUP_NEXT_POP_HOP_BY_HOP] = "ip6-pop-hop-by-hop",
+#define _(s,n) [IP6_HBYH_INPUT_NEXT_##s] = n,
+ foreach_ip6_hbyh_input_next
+#undef _
},
};
+VLIB_NODE_FUNCTION_MULTIARCH (ip6_add_hop_by_hop_node, ip6_add_hop_by_hop_node_fn)
/* The main h-b-h tracer was already invoked, no need to do much here */
typedef struct {
#define foreach_ip6_pop_hop_by_hop_error \
_(PROCESSED, "Pkts w/ removed ip6 hop-by-hop options") \
-_(NO_HOHO, "Pkts w/ no ip6 hop-by-hop options")
+_(NO_HOHO, "Pkts w/ no ip6 hop-by-hop options") \
+_(SCV_PASSED, "Pkts with SCV in Policy") \
+_(SCV_FAILED, "Pkts with SCV out of Policy")
typedef enum {
#define _(sym,str) IP6_POP_HOP_BY_HOP_ERROR_##sym,
#undef _
};
+static inline void ioam_end_of_path_validation (vlib_main_t * vm,
+ ip6_header_t *ip0,
+ ip6_hop_by_hop_header_t *hbh0)
+{
+ ip6_hop_by_hop_option_t *opt0, *limit0;
+ ioam_pow_option_t * pow0;
+ u8 type0;
+ u64 final_cumulative = 0;
+ u64 random = 0;
+ u8 result = 0;
+
+ if (!hbh0 || !ip0) return;
+
+ opt0 = (ip6_hop_by_hop_option_t *)(hbh0+1);
+ limit0 = (ip6_hop_by_hop_option_t *)
+ ((u8 *)hbh0 + ((hbh0->length+1)<<3));
+
+ /* Scan the set of h-b-h options, process ones that we understand */
+ while (opt0 < limit0)
+ {
+ type0 = opt0->type & HBH_OPTION_TYPE_MASK;
+ switch (type0)
+ {
+ case HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE:
+ case HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST:
+ opt0 = (ip6_hop_by_hop_option_t *)
+ (((u8 *)opt0) + opt0->length
+ + sizeof (ip6_hop_by_hop_option_t));
+ break;
+ case HBH_OPTION_TYPE_IOAM_PROOF_OF_WORK:
+ pow0 = (ioam_pow_option_t *) opt0;
+ random = clib_net_to_host_u64(pow0->random);
+ final_cumulative = clib_net_to_host_u64(pow0->cumulative);
+ result = scv_validate (pow_profile,
+ final_cumulative, random);
+
+ if (result == 1)
+ {
+ vlib_node_increment_counter (vm, ip6_pop_hop_by_hop_node.index,
+ IP6_POP_HOP_BY_HOP_ERROR_SCV_PASSED, result);
+ }
+ else
+ {
+ vlib_node_increment_counter (vm, ip6_pop_hop_by_hop_node.index,
+ IP6_POP_HOP_BY_HOP_ERROR_SCV_FAILED, 1);
+ }
+ /* TODO: notify the scv failure*/
+ opt0 = (ip6_hop_by_hop_option_t *)
+ (((u8 *)opt0) + sizeof (ioam_pow_option_t));
+ break;
+
+ case 0: /* Pad */
+ opt0 = (ip6_hop_by_hop_option_t *) ((u8 *)opt0) + 1;
+ break;
+
+ default:
+ format(0, "Something is wrong\n");
+ break;
+ }
+ }
+}
+
+
static uword
ip6_pop_hop_by_hop_node_fn (vlib_main_t * vm,
vlib_node_runtime_t * node,
{
hbh0 = (ip6_hop_by_hop_header_t *)(ip0+1);
+ if (vnet_buffer(b0)->l2_classify.opaque_index == OI_DECAP)
+ { /* First pass. Send to hbyh node. */
+ next0 = IP6_HBYH_INPUT_NEXT_IP6_LOOKUP;
+ goto out1;
+ }
+
+ /* Second pass */
/* Collect data from trace via callback */
next0 = ioam_end_of_path_cb ?
- ioam_end_of_path_cb (vm, node, b0, ip0, adj0)
- : adj0->saved_lookup_next_index;
-
-
+ ioam_end_of_path_cb (vm, node, b0, ip0, adj0) :
+ IP6_HBYH_INPUT_NEXT_IP6_REWRITE;
+ /* TODO:Temporarily doing it here.. do this validation in end_of_path_cb */
+ ioam_end_of_path_validation(vm, ip0, hbh0);
/* Pop the trace data */
vlib_buffer_advance (b0, (hbh0->length+1)<<3);
new_l0 = clib_net_to_host_u16 (ip0->payload_length) -
}
else
{
- next0 = adj0->saved_lookup_next_index;
+ next0 = IP6_HBYH_INPUT_NEXT_IP6_LOOKUP;
no_header++;
}
t->next_index = next0;
}
+out1:
/* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
.error_strings = ip6_pop_hop_by_hop_error_strings,
/* See ip/lookup.h */
- .n_next_nodes = IP_LOOKUP_N_NEXT,
+ .n_next_nodes = IP6_HBYH_INPUT_N_NEXT,
.next_nodes = {
- [IP_LOOKUP_NEXT_MISS] = "ip6-miss",
- [IP_LOOKUP_NEXT_DROP] = "ip6-drop",
- [IP_LOOKUP_NEXT_PUNT] = "ip6-punt",
- [IP_LOOKUP_NEXT_LOCAL] = "ip6-local",
- [IP_LOOKUP_NEXT_ARP] = "ip6-discover-neighbor",
- [IP_LOOKUP_NEXT_REWRITE] = "ip6-rewrite",
- [IP_LOOKUP_NEXT_CLASSIFY] = "ip6-classify",
- [IP_LOOKUP_NEXT_MAP] = "ip6-map",
- [IP_LOOKUP_NEXT_MAP_T] = "ip6-map-t",
- [IP_LOOKUP_NEXT_SIXRD] = "ip6-sixrd",
- /* Next 3 arcs probably never used */
- [IP_LOOKUP_NEXT_HOP_BY_HOP] = "ip6-hop-by-hop",
- [IP_LOOKUP_NEXT_ADD_HOP_BY_HOP] = "ip6-add-hop-by-hop",
- [IP_LOOKUP_NEXT_POP_HOP_BY_HOP] = "ip6-pop-hop-by-hop",
+#define _(s,n) [IP6_HBYH_INPUT_NEXT_##s] = n,
+ foreach_ip6_hbyh_input_next
+#undef _
},
};
+VLIB_NODE_FUNCTION_MULTIARCH (ip6_pop_hop_by_hop_node,
+ ip6_pop_hop_by_hop_node_fn)
static clib_error_t *
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;
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);
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)
{
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)
{
return 0;
}
-static clib_error_t *
-ip6_ioam_set_rewrite_command_fn (vlib_main_t * vm,
+clib_error_t *
+clear_ioam_rewrite_fn(void)
+{
+ 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;
+}
+
+clib_error_t * clear_ioam_rewrite_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
+ return(clear_ioam_rewrite_fn());
+}
+
+VLIB_CLI_COMMAND (ip6_clear_ioam_trace_cmd, static) = {
+ .path = "clear ioam rewrite",
+ .short_help = "clear ioam rewrite",
+ .function = clear_ioam_rewrite_command_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_code(0, rv, 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)
+{
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);
- }
+
+ 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-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_ioam_set_rewrite_cmd, static) = {
- .path = "ioam set rewrite",
- .short_help = "ioam set rewrite [trace-elts <nn>] [pow]",
- .function = ip6_ioam_set_rewrite_command_fn,
+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;
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;
}
static clib_error_t *
-ip6_ioam_set_destination_command_fn (vlib_main_t * vm,
+ip6_set_ioam_destination_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
return 0;
}
-VLIB_CLI_COMMAND (ip6_ioam_set_destination_cmd, static) = {
- .path = "ioam set destination",
- .short_help = "ioam set destination <ip6-address>/<width> add | pop | none",
- .function = ip6_ioam_set_destination_command_fn,
+VLIB_CLI_COMMAND (ip6_set_ioam_destination_cmd, static) = {
+ .path = "set ioam destination",
+ .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;
}
+
+
Code Review / vpp.git / blobdiff