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-rw-r--r--src/vlib/main.c147
-rw-r--r--src/vlib/main.h1
-rw-r--r--src/vlib/node.c1
-rw-r--r--src/vlib/node.h17
-rw-r--r--src/vnet/buffer.c4
-rw-r--r--src/vnet/buffer.h44
-rw-r--r--src/vnet/interface_format.c212
-rw-r--r--src/vnet/ip/ip4_input.c1
-rw-r--r--src/vnet/tcp/tcp_output.c2
9 files changed, 348 insertions, 81 deletions
diff --git a/src/vlib/main.c b/src/vlib/main.c
index d1babdb9da6..949a77d3d71 100644
--- a/src/vlib/main.c
+++ b/src/vlib/main.c
@@ -945,25 +945,69 @@ add_trajectory_trace (vlib_buffer_t * b, u32 node_index)
#endif
}
+u8 *format_vnet_buffer_flags (u8 * s, va_list * args) __attribute__ ((weak));
+u8 *
+format_vnet_buffer_flags (u8 * s, va_list * args)
+{
+ s = format (s, "BUG STUB %s", __FUNCTION__);
+ return s;
+}
+
+u8 *format_vnet_buffer_opaque (u8 * s, va_list * args) __attribute__ ((weak));
+u8 *
+format_vnet_buffer_opaque (u8 * s, va_list * args)
+{
+ s = format (s, "BUG STUB %s", __FUNCTION__);
+ return s;
+}
+
+u8 *format_vnet_buffer_opaque2 (u8 * s, va_list * args)
+ __attribute__ ((weak));
+u8 *
+format_vnet_buffer_opaque2 (u8 * s, va_list * args)
+{
+ s = format (s, "BUG STUB %s", __FUNCTION__);
+ return s;
+}
+
+static u8 *
+format_buffer_metadata (u8 * s, va_list * args)
+{
+ vlib_buffer_t *b = va_arg (*args, vlib_buffer_t *);
+
+ s = format (s, "flags: %U\n", format_vnet_buffer_flags, b);
+ s = format (s, "current_data: %d, current_length: %d\n",
+ (i32) (b->current_data), (i32) (b->current_length));
+ s = format (s, "current_config_index: %d, flow_id: %x, next_buffer: %x\n",
+ b->current_config_index, b->flow_id, b->next_buffer);
+ s = format (s, "error: %d, n_add_refs: %d, buffer_pool_index: %d\n",
+ (u32) (b->error), (u32) (b->n_add_refs),
+ (u32) (b->buffer_pool_index));
+ s = format (s,
+ "trace_index: %d, recycle_count: %d, len_not_first_buf: %d\n",
+ b->trace_index, b->recycle_count,
+ b->total_length_not_including_first_buffer);
+ s = format (s, "free_list_index: %d\n", (u32) (b->free_list_index));
+ return s;
+}
+
+#define A(x) vec_add1(vm->pcap_buffer, (x))
+
static void
dispatch_pcap_trace (vlib_main_t * vm,
vlib_node_runtime_t * node, vlib_frame_t * frame)
{
int i;
vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **bufp, *b;
- u8 name_tlv[64];
pcap_main_t *pm = &vm->dispatch_pcap_main;
vlib_trace_main_t *tm = &vm->trace_main;
u32 capture_size;
vlib_node_t *n;
- u8 *packet_trace = 0;
i32 n_left;
f64 time_now = vlib_time_now (vm);
u32 *from;
- u32 name_length;
- u16 trace_length;
- u8 version[2];
u8 *d;
+ u8 string_count;
/* Input nodes don't have frames yet */
if (frame == 0 || frame->n_vectors == 0)
@@ -973,15 +1017,7 @@ dispatch_pcap_trace (vlib_main_t * vm,
vlib_get_buffers (vm, from, bufs, frame->n_vectors);
bufp = bufs;
- /* Create a node name TLV, since WS can't possibly guess */
n = vlib_get_node (vm, node->node_index);
- name_length = vec_len (n->name);
- name_length = name_length < ARRAY_LEN (name_tlv) - 2 ?
- name_length : ARRAY_LEN (name_tlv) - 2;
-
- name_tlv[0] = (u8) name_length;
- clib_memcpy_fast (name_tlv + 1, n->name, name_length);
- name_tlv[name_length + 1] = 0;
for (i = 0; i < frame->n_vectors; i++)
{
@@ -989,10 +1025,34 @@ dispatch_pcap_trace (vlib_main_t * vm,
{
b = bufp[i];
- version[0] = VLIB_PCAP_MAJOR_VERSION;
- version[1] = VLIB_PCAP_MINOR_VERSION;
-
- vec_reset_length (packet_trace);
+ vec_reset_length (vm->pcap_buffer);
+ string_count = 0;
+
+ /* Version, flags */
+ A ((u8) VLIB_PCAP_MAJOR_VERSION);
+ A ((u8) VLIB_PCAP_MINOR_VERSION);
+ A (0 /* string_count */ );
+ A (n->protocol_hint);
+
+ /* Buffer index (big endian) */
+ A ((from[i] >> 24) & 0xff);
+ A ((from[i] >> 16) & 0xff);
+ A ((from[i] >> 8) & 0xff);
+ A ((from[i] >> 0) & 0xff);
+
+ /* Node name, NULL-terminated ASCII */
+ vm->pcap_buffer = format (vm->pcap_buffer, "%v%c", n->name, 0);
+ string_count++;
+
+ vm->pcap_buffer = format (vm->pcap_buffer, "%U%c",
+ format_buffer_metadata, b, 0);
+ string_count++;
+ vm->pcap_buffer = format (vm->pcap_buffer, "%U%c",
+ format_vnet_buffer_opaque, b, 0);
+ string_count++;
+ vm->pcap_buffer = format (vm->pcap_buffer, "%U%c",
+ format_vnet_buffer_opaque2, b, 0);
+ string_count++;
/* Is this packet traced? */
if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED))
@@ -1000,55 +1060,29 @@ dispatch_pcap_trace (vlib_main_t * vm,
vlib_trace_header_t **h
= pool_elt_at_index (tm->trace_buffer_pool, b->trace_index);
- packet_trace = format (packet_trace, "%U%c",
- format_vlib_trace, vm, h[0], 0);
+ vm->pcap_buffer = format (vm->pcap_buffer, "%U%c",
+ format_vlib_trace, vm, h[0], 0);
+ string_count++;
}
- /* Figure out how many bytes we're capturing */
- /* *INDENT-OFF* */
- capture_size = (sizeof (vlib_buffer_t) - VLIB_BUFFER_PRE_DATA_SIZE)
- + sizeof (version)
- + vlib_buffer_length_in_chain (vm, b)
- + sizeof (u32) + (name_length + 2) /* +2: count plus NULL byte */
- + (vec_len (packet_trace) + 2); /* +2: trace count */
- /* *INDENT-ON* */
+ /* Save the string count */
+ vm->pcap_buffer[2] = string_count;
+
+ /* Figure out how many bytes in the pcap trace */
+ capture_size = vec_len (vm->pcap_buffer) +
+ +vlib_buffer_length_in_chain (vm, b);
clib_spinlock_lock_if_init (&pm->lock);
n_left = clib_min (capture_size, 16384);
d = pcap_add_packet (pm, time_now, n_left, capture_size);
- /* Copy the (major, minor) version numbers */
- clib_memcpy_fast (d, version, sizeof (version));
- d += sizeof (version);
-
- /* Copy the buffer index */
- clib_memcpy_fast (d, &from[i], sizeof (u32));
- d += 4;
-
- /* Copy the name TLV */
- clib_memcpy_fast (d, name_tlv, name_length + 2);
- d += name_length + 2;
-
- /* Copy the buffer metadata, but not the rewrite space */
- clib_memcpy_fast (d, b, sizeof (*b) - VLIB_BUFFER_PRE_DATA_SIZE);
- d += sizeof (*b) - VLIB_BUFFER_PRE_DATA_SIZE;
-
- trace_length = vec_len (packet_trace);
- /* Copy the trace data length (may be zero) */
- clib_memcpy_fast (d, &trace_length, sizeof (trace_length));
- d += 2;
-
- /* Copy packet trace data (if any) */
- if (vec_len (packet_trace))
- clib_memcpy_fast (d, packet_trace, vec_len (packet_trace));
-
- d += vec_len (packet_trace);
+ /* Copy the header */
+ clib_memcpy_fast (d, vm->pcap_buffer, vec_len (vm->pcap_buffer));
+ d += vec_len (vm->pcap_buffer);
n_left = clib_min
(vlib_buffer_length_in_chain (vm, b),
- 16384 -
- ((sizeof (*b) - VLIB_BUFFER_PRE_DATA_SIZE) +
- (trace_length + 2)));
+ (16384 - vec_len (vm->pcap_buffer)));
/* Copy the packet data */
while (1)
{
@@ -1064,7 +1098,6 @@ dispatch_pcap_trace (vlib_main_t * vm,
clib_spinlock_unlock_if_init (&pm->lock);
}
}
- vec_free (packet_trace);
}
static_always_inline u64
diff --git a/src/vlib/main.h b/src/vlib/main.h
index 9fa294e96f5..474756bebd6 100644
--- a/src/vlib/main.h
+++ b/src/vlib/main.h
@@ -134,6 +134,7 @@ typedef struct vlib_main_t
/* Pcap dispatch trace main */
pcap_main_t dispatch_pcap_main;
uword dispatch_pcap_enable;
+ u8 *pcap_buffer;
/* Error handling. */
vlib_error_main_t error_main;
diff --git a/src/vlib/node.c b/src/vlib/node.c
index 88185ce921f..69f505143b2 100644
--- a/src/vlib/node.c
+++ b/src/vlib/node.c
@@ -350,6 +350,7 @@ register_node (vlib_main_t * vm, vlib_node_registration_t * r)
clib_memset (n, 0, sizeof (n[0]));
n->index = vec_len (nm->nodes);
n->node_fn_registrations = r->node_fn_registrations;
+ n->protocol_hint = r->protocol_hint;
vec_add1 (nm->nodes, n);
diff --git a/src/vlib/node.h b/src/vlib/node.h
index fb2a83bc400..f41eb60aa2c 100644
--- a/src/vlib/node.h
+++ b/src/vlib/node.h
@@ -57,6 +57,17 @@ typedef uword (vlib_node_function_t) (struct vlib_main_t * vm,
typedef enum
{
+ VLIB_NODE_PROTO_HINT_NONE = 0,
+ VLIB_NODE_PROTO_HINT_ETHERNET,
+ VLIB_NODE_PROTO_HINT_IP4,
+ VLIB_NODE_PROTO_HINT_IP6,
+ VLIB_NODE_PROTO_HINT_TCP,
+ VLIB_NODE_PROTO_HINT_UDP,
+ VLIB_NODE_N_PROTO_HINTS,
+} vlib_node_proto_hint_t;
+
+typedef enum
+{
/* An internal node on the call graph (could be output). */
VLIB_NODE_TYPE_INTERNAL,
@@ -134,6 +145,9 @@ typedef struct _vlib_node_registration
/* Node flags. */
u16 flags;
+ /* protocol at b->data[b->current_data] upon entry to the dispatch fn */
+ u8 protocol_hint;
+
/* Size of scalar and vector arguments in bytes. */
u16 scalar_size, vector_size;
@@ -320,6 +334,9 @@ typedef struct vlib_node_t
/* Number of bytes of run time data. */
u8 runtime_data_bytes;
+ /* protocol at b->data[b->current_data] upon entry to the dispatch fn */
+ u8 protocol_hint;
+
/* Number of error codes used by this node. */
u16 n_errors;
diff --git a/src/vnet/buffer.c b/src/vnet/buffer.c
index de1c73597e3..cf61780cb74 100644
--- a/src/vnet/buffer.c
+++ b/src/vnet/buffer.c
@@ -24,9 +24,9 @@ format_vnet_buffer (u8 * s, va_list * args)
u32 indent = format_get_indent (s);
u8 *a = 0;
-#define _(bit, name, v) \
+#define _(bit,name,ss,v) \
if (v && (b->flags & VNET_BUFFER_F_##name)) \
- a = format (a, "%s ", v);
+ a = format (a, "%s ", ss);
foreach_vnet_buffer_flag
#undef _
if (b->flags & VNET_BUFFER_F_L2_HDR_OFFSET_VALID)
diff --git a/src/vnet/buffer.h b/src/vnet/buffer.h
index 8071081faf7..d701e21141d 100644
--- a/src/vnet/buffer.h
+++ b/src/vnet/buffer.h
@@ -45,40 +45,40 @@
/**
* Flags that are set in the high order bits of ((vlib_buffer*)b)->flags
*/
-#define foreach_vnet_buffer_flag \
- _( 1, L4_CHECKSUM_COMPUTED, "l4-cksum-computed") \
- _( 2, L4_CHECKSUM_CORRECT, "l4-cksum-correct") \
- _( 3, VLAN_2_DEEP, "vlan-2-deep") \
- _( 4, VLAN_1_DEEP, "vlan-1-deep") \
- _( 5, SPAN_CLONE, "span-clone") \
- _( 6, LOOP_COUNTER_VALID, 0) \
- _( 7, LOCALLY_ORIGINATED, "local") \
- _( 8, IS_IP4, "ip4") \
- _( 9, IS_IP6, "ip6") \
- _(10, OFFLOAD_IP_CKSUM, "offload-ip-cksum") \
- _(11, OFFLOAD_TCP_CKSUM, "offload-tcp-cksum") \
- _(12, OFFLOAD_UDP_CKSUM, "offload-udp-cksum") \
- _(13, IS_NATED, "nated") \
- _(14, L2_HDR_OFFSET_VALID, 0) \
- _(15, L3_HDR_OFFSET_VALID, 0) \
- _(16, L4_HDR_OFFSET_VALID, 0) \
- _(17, FLOW_REPORT, "flow-report") \
- _(18, IS_DVR, "dvr") \
- _(19, QOS_DATA_VALID, 0)
+#define foreach_vnet_buffer_flag \
+ _( 1, L4_CHECKSUM_COMPUTED, "l4-cksum-computed", 1) \
+ _( 2, L4_CHECKSUM_CORRECT, "l4-cksum-correct", 1) \
+ _( 3, VLAN_2_DEEP, "vlan-2-deep", 1) \
+ _( 4, VLAN_1_DEEP, "vlan-1-deep", 1) \
+ _( 5, SPAN_CLONE, "span-clone", 1) \
+ _( 6, LOOP_COUNTER_VALID, "loop-counter-valid", 0) \
+ _( 7, LOCALLY_ORIGINATED, "local", 1) \
+ _( 8, IS_IP4, "ip4", 1) \
+ _( 9, IS_IP6, "ip6", 1) \
+ _(10, OFFLOAD_IP_CKSUM, "offload-ip-cksum", 1) \
+ _(11, OFFLOAD_TCP_CKSUM, "offload-tcp-cksum", 1) \
+ _(12, OFFLOAD_UDP_CKSUM, "offload-udp-cksum", 1) \
+ _(13, IS_NATED, "natted", 1) \
+ _(14, L2_HDR_OFFSET_VALID, "l2_hdr_offset_valid", 0) \
+ _(15, L3_HDR_OFFSET_VALID, "l3_hdr_offset_valid", 0) \
+ _(16, L4_HDR_OFFSET_VALID, "l4_hdr_offset_valid", 0) \
+ _(17, FLOW_REPORT, "flow-report", 1) \
+ _(18, IS_DVR, "dvr", 1) \
+ _(19, QOS_DATA_VALID, "qos-data-valid", 0)
#define VNET_BUFFER_FLAGS_VLAN_BITS \
(VNET_BUFFER_F_VLAN_1_DEEP | VNET_BUFFER_F_VLAN_2_DEEP)
enum
{
-#define _(bit, name, v) VNET_BUFFER_F_##name = (1 << LOG2_VLIB_BUFFER_FLAG_USER(bit)),
+#define _(bit, name, s, v) VNET_BUFFER_F_##name = (1 << LOG2_VLIB_BUFFER_FLAG_USER(bit)),
foreach_vnet_buffer_flag
#undef _
};
enum
{
-#define _(bit, name, v) VNET_BUFFER_F_LOG2_##name = LOG2_VLIB_BUFFER_FLAG_USER(bit),
+#define _(bit, name, s, v) VNET_BUFFER_F_LOG2_##name = LOG2_VLIB_BUFFER_FLAG_USER(bit),
foreach_vnet_buffer_flag
#undef _
};
diff --git a/src/vnet/interface_format.c b/src/vnet/interface_format.c
index c62e770e57b..98be8728e77 100644
--- a/src/vnet/interface_format.c
+++ b/src/vnet/interface_format.c
@@ -367,6 +367,218 @@ format_vnet_sw_interface_name_override (u8 * s, va_list * args)
return s;
}
+u8 *
+format_vnet_buffer_flags (u8 * s, va_list * args)
+{
+ vlib_buffer_t *buf = va_arg (*args, vlib_buffer_t *);
+
+#define _(a,b,c,v) if (buf->flags & VNET_BUFFER_F_##b) s = format (s, "%s ", c);
+ foreach_vnet_buffer_flag;
+#undef _
+ return s;
+}
+
+u8 *
+format_vnet_buffer_opaque (u8 * s, va_list * args)
+{
+ vlib_buffer_t *b = va_arg (*args, vlib_buffer_t *);
+ vnet_buffer_opaque_t *o = (vnet_buffer_opaque_t *) b->opaque;
+ int i;
+
+ s = format (s, "raw: ");
+
+ for (i = 0; i < ARRAY_LEN (b->opaque); i++)
+ s = format (s, "%08x ", b->opaque[i]);
+
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "sw_if_index[VLIB_RX]: %d, sw_if_index[VLIB_TX]: %d",
+ o->sw_if_index[0], o->sw_if_index[1]);
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "L2 offset %d, L3 offset %d, L4 offset %d, feature arc index %d",
+ (u32) (o->l2_hdr_offset),
+ (u32) (o->l3_hdr_offset),
+ (u32) (o->l4_hdr_offset), (u32) (o->feature_arc_index));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "ip.adj_index[VLIB_RX]: %d, ip.adj_index[VLIB_TX]: %d",
+ (u32) (o->ip.adj_index[0]), (u32) (o->ip.adj_index[1]));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "ip.flow_hash: 0x%x, ip.save_protocol: 0x%x, ip.fib_index: %d",
+ o->ip.flow_hash, o->ip.save_protocol, o->ip.fib_index);
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "ip.save_rewrite_length: %d, ip.rpf_id: %d",
+ o->ip.save_rewrite_length, o->ip.rpf_id);
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "ip.icmp.type: %d ip.icmp.code: %d, ip.icmp.data: 0x%x",
+ (u32) (o->ip.icmp.type),
+ (u32) (o->ip.icmp.code), o->ip.icmp.data);
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "ip.reass.next_index: %d, ip.reass.estimated_mtu: %d",
+ o->ip.reass.next_index, (u32) (o->ip.reass.estimated_mtu));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "ip.reass.fragment_first: %d ip.reass.fragment_last: %d",
+ (u32) (o->ip.reass.fragment_first),
+ (u32) (o->ip.reass.fragment_last));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "ip.reass.range_first: %d ip.reass.range_last: %d",
+ (u32) (o->ip.reass.range_first),
+ (u32) (o->ip.reass.range_last));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "ip.reass.next_range_bi: 0x%x, ip.reass.ip6_frag_hdr_offset: %d",
+ o->ip.reass.next_range_bi,
+ (u32) (o->ip.reass.ip6_frag_hdr_offset));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "mpls.ttl: %d, mpls.exp: %d, mpls.first: %d, "
+ "mpls.save_rewrite_length: %d, mpls.bier.n_bytes: %d",
+ (u32) (o->mpls.ttl), (u32) (o->mpls.exp), (u32) (o->mpls.first),
+ o->mpls.save_rewrite_length, (u32) (o->mpls.bier.n_bytes));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "l2.feature_bitmap: %08x, l2.bd_index: %d, l2.l2_len: %d, "
+ "l2.shg: %d, l2.l2fib_sn: %d, l2.bd_age: %d",
+ o->l2.feature_bitmap, (u32) (o->l2.bd_index),
+ (u32) (o->l2.l2_len), (u32) (o->l2.shg), (u32) (o->l2.l2fib_sn),
+ (u32) (o->l2.bd_age));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "l2t.next_index: %d, l2t.session_index: %d",
+ (u32) (o->l2t.next_index), o->l2t.session_index);
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "l2_classify.table_index: %d, l2_classify.opaque_index: %d, "
+ "l2_classify.hash: 0x%llx",
+ o->l2_classify.table_index,
+ o->l2_classify.opaque_index, o->l2_classify.hash);
+ vec_add1 (s, '\n');
+
+ s = format (s, "policer.index: %d", o->policer.index);
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "ipsec.flags: 0x%x, ipsec.sad_index: %d",
+ o->ipsec.flags, o->ipsec.sad_index);
+ vec_add1 (s, '\n');
+
+ s = format (s, "map.mtu: %d", (u32) (o->map.mtu));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "map_t.v6.saddr: 0x%x, map_t.v6.daddr: 0x%x, "
+ "map_t.v6.frag_offset: %d, map_t.v6.l4_offset: %d",
+ o->map_t.v6.saddr,
+ o->map_t.v6.daddr,
+ (u32) (o->map_t.v6.frag_offset), (u32) (o->map_t.v6.l4_offset));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "map_t.v6.l4_protocol: %d, map_t.checksum_offset: %d, "
+ "map_t.mtu: %d",
+ (u32) (o->map_t.v6.l4_protocol),
+ (u32) (o->map_t.checksum_offset), (u32) (o->map_t.mtu));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "ip_frag.mtu: %d, ip_frag.next_index: %d, ip_frag.flags: 0x%x",
+ (u32) (o->ip_frag.mtu),
+ (u32) (o->ip_frag.next_index), (u32) (o->ip_frag.flags));
+ vec_add1 (s, '\n');
+
+ s = format (s, "cop.current_config_index: %d", o->cop.current_config_index);
+ vec_add1 (s, '\n');
+
+ s = format (s, "lisp.overlay_afi: %d", (u32) (o->lisp.overlay_afi));
+ vec_add1 (s, '\n');
+
+ s = format
+ (s, "tcp.connection_index: %d, tcp.seq_number: %d, tcp.seq_end: %d, "
+ "tcp.ack_number: %d, tcp.hdr_offset: %d, tcp.data_offset: %d",
+ o->tcp.connection_index,
+ o->tcp.seq_number,
+ o->tcp.seq_end,
+ o->tcp.ack_number,
+ (u32) (o->tcp.hdr_offset), (u32) (o->tcp.data_offset));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "tcp.data_len: %d, tcp.flags: 0x%x",
+ (u32) (o->tcp.data_len), (u32) (o->tcp.flags));
+ vec_add1 (s, '\n');
+
+ s = format (s,
+ "sctp.connection_index: %d, sctp.sid: %d, sctp.ssn: %d, "
+ "sctp.tsn: %d, sctp.hdr_offset: %d",
+ o->sctp.connection_index,
+ (u32) (o->sctp.sid),
+ (u32) (o->sctp.ssn),
+ (u32) (o->sctp.tsn), (u32) (o->sctp.hdr_offset));
+ vec_add1 (s, '\n');
+
+ s = format
+ (s, "sctp.data_offset: %d, sctp.data_len: %d, sctp.subconn_idx: %d, "
+ "sctp.flags: 0x%x",
+ (u32) (o->sctp.data_offset),
+ (u32) (o->sctp.data_len),
+ (u32) (o->sctp.subconn_idx), (u32) (o->sctp.flags));
+ vec_add1 (s, '\n');
+
+ s = format (s, "snat.flags: 0x%x", o->snat.flags);
+ vec_add1 (s, '\n');
+ return s;
+}
+
+u8 *
+format_vnet_buffer_opaque2 (u8 * s, va_list * args)
+{
+ vlib_buffer_t *b = va_arg (*args, vlib_buffer_t *);
+ vnet_buffer_opaque2_t *o = (vnet_buffer_opaque2_t *) b->opaque2;
+
+ int i;
+
+ s = format (s, "raw: ");
+
+ for (i = 0; i < ARRAY_LEN (b->opaque2); i++)
+ s = format (s, "%08x ", b->opaque2[i]);
+ vec_add1 (s, '\n');
+
+ s = format (s, "qos.bits: %x, qos.source: %x",
+ (u32) (o->qos.bits), (u32) (o->qos.source));
+ vec_add1 (s, '\n');
+ s = format (s, "loop_counter: %d", o->loop_counter);
+ vec_add1 (s, '\n');
+
+ s = format (s, "gbp.flags: %x, gbp.src_epg: %d",
+ (u32) (o->gbp.flags), (u32) (o->gbp.src_epg));
+ vec_add1 (s, '\n');
+
+ s = format (s, "pg_replay_timestamp: %llu", (u32) (o->pg_replay_timestamp));
+ vec_add1 (s, '\n');
+ return s;
+}
+
uword
unformat_vnet_hw_interface (unformat_input_t * input, va_list * args)
{
diff --git a/src/vnet/ip/ip4_input.c b/src/vnet/ip/ip4_input.c
index 696c4b6a9e0..91766b4a6c1 100644
--- a/src/vnet/ip/ip4_input.c
+++ b/src/vnet/ip/ip4_input.c
@@ -317,6 +317,7 @@ char *ip4_error_strings[] = {
VLIB_REGISTER_NODE (ip4_input_node) = {
.name = "ip4-input",
.vector_size = sizeof (u32),
+ .protocol_hint = VLIB_NODE_PROTO_HINT_IP4,
.n_errors = IP4_N_ERROR,
.error_strings = ip4_error_strings,
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 619dce19eab..2f15268e7d6 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -2214,6 +2214,7 @@ VLIB_REGISTER_NODE (tcp4_output_node) =
/* Takes a vector of packets. */
.vector_size = sizeof (u32),
.n_errors = TCP_N_ERROR,
+ .protocol_hint = VLIB_NODE_PROTO_HINT_TCP,
.error_strings = tcp_error_strings,
.n_next_nodes = TCP_OUTPUT_N_NEXT,
.next_nodes = {
@@ -2236,6 +2237,7 @@ VLIB_REGISTER_NODE (tcp6_output_node) =
/* Takes a vector of packets. */
.vector_size = sizeof (u32),
.n_errors = TCP_N_ERROR,
+ .protocol_hint = VLIB_NODE_PROTO_HINT_TCP,
.error_strings = tcp_error_strings,
.n_next_nodes = TCP_OUTPUT_N_NEXT,
.next_nodes = {