When doing automated testing it is useful to show packet meta
data in JSON.
Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
app/test-pmd/cmdline.c | 6 +-
app/test-pmd/config.c | 3 +
app/test-pmd/testpmd.h | 1 +
app/test-pmd/util.c | 167 ++++++++++++++++++++
doc/guides/testpmd_app_ug/testpmd_funcs.rst | 7 +-
5 files changed, 178 insertions(+), 6 deletions(-)
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 72be5a0c06..3d52ad4c72 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -305,7 +305,7 @@ static void cmd_help_long_parsed(void *parsed_result,
"set output (filename)\n"
" Set the packet debug log file\n\n"
- "set format (dissect|hex|verbose)\n"
+ "set format (dissect|hex|json|verbose)\n"
" Set the format of packet log\\n"
"set log global|(type) (level)\n"
@@ -3918,12 +3918,12 @@ static cmdline_parse_token_string_t cmd_set_format_set =
static cmdline_parse_token_string_t cmd_set_format_output =
TOKEN_STRING_INITIALIZER(struct cmd_set_format_result, format,
"format");
static cmdline_parse_token_string_t cmd_set_format_value =
- TOKEN_STRING_INITIALIZER(struct cmd_set_format_result, value,
"dissect#hex#verbose");
+ TOKEN_STRING_INITIALIZER(struct cmd_set_format_result, value,
"dissect#hex#json#verbose");
static cmdline_parse_inst_t cmd_set_format = {
.f = cmd_set_format_parsed,
.data = NULL,
- .help_str = "set format dissect|hex|verbose",
+ .help_str = "set format dissect|hex|json|verbose",
.tokens = {
(void *)&cmd_set_format_set,
(void *)&cmd_set_format_output,
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 36b7aa1307..10ed58c08b 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -6275,6 +6275,9 @@ set_output_format(const char *mode)
[OUTPUT_MODE_VERBOSE] = "verbose",
[OUTPUT_MODE_HEX] = "hex",
[OUTPUT_MODE_DISSECT] = "dissect",
+#ifdef RTE_HAS_JANSSON
+ [OUTPUT_MODE_JSON] = "json",
+#endif
};
printf("Change output format from %s to %s\n",
diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h
index 66b0317b61..f8bf9b7126 100644
--- a/app/test-pmd/testpmd.h
+++ b/app/test-pmd/testpmd.h
@@ -492,6 +492,7 @@ enum output_mode {
OUTPUT_MODE_VERBOSE = 0,
OUTPUT_MODE_HEX,
OUTPUT_MODE_DISSECT,
+ OUTPUT_MODE_JSON,
};
extern uint8_t xstats_hide_zero; /**< Hide zero values for xstats display */
diff --git a/app/test-pmd/util.c b/app/test-pmd/util.c
index 551e684e4c..7da59988db 100644
--- a/app/test-pmd/util.c
+++ b/app/test-pmd/util.c
@@ -299,6 +299,168 @@ dump_pkt_verbose(FILE *outf, uint16_t port_id, uint16_t
queue,
}
}
+#ifdef RTE_HAS_JANSSON
+
+/* Encode offload flags as JSON array */
+static json_t *
+encode_ol_flags(uint64_t flags, int is_rx)
+{
+ json_t *ol_array = json_array();
+ unsigned int i;
+
+ if (is_rx)
+ flags &= ~RTE_MBUF_F_TX_OFFLOAD_MASK;
+ else
+ flags &= RTE_MBUF_F_TX_OFFLOAD_MASK;
+
+ for (i = 0; i < 64; i++) {
+ uint64_t mask = (uint64_t)1 << i;
+ const char *name;
+
+ if (!(mask & flags))
+ continue;
+
+ if (is_rx)
+ name = rte_get_rx_ol_flag_name(mask);
+ else
+ name = rte_get_tx_ol_flag_name(mask);
+ json_array_append_new(ol_array, json_string(name));
+ }
+ return ol_array;
+}
+
+/* Encode packet type fields as JSON object */
+static json_t *
+encode_ptype(uint32_t ptype)
+{
+ if ((ptype & RTE_PTYPE_ALL_MASK) == RTE_PTYPE_UNKNOWN)
+ return json_string("UNKNOWN");
+
+ json_t *ptypes = json_array();
+ if (ptype & RTE_PTYPE_L2_MASK)
+ json_array_append(ptypes,
json_string(rte_get_ptype_l2_name(ptype)));
+ if (ptype & RTE_PTYPE_L3_MASK)
+ json_array_append(ptypes,
json_string(rte_get_ptype_l3_name(ptype)));
+ if (ptype & RTE_PTYPE_L4_MASK)
+ json_array_append(ptypes,
json_string(rte_get_ptype_l4_name(ptype)));
+ if (ptype & RTE_PTYPE_TUNNEL_MASK)
+ json_array_append(ptypes,
json_string(rte_get_ptype_tunnel_name(ptype)));
+ if (ptype & RTE_PTYPE_INNER_L2_MASK)
+ json_array_append(ptypes,
json_string(rte_get_ptype_inner_l2_name(ptype)));
+ if (ptype & RTE_PTYPE_INNER_L3_MASK)
+ json_array_append(ptypes,
json_string(rte_get_ptype_inner_l3_name(ptype)));
+ if (ptype & RTE_PTYPE_INNER_L4_MASK)
+ json_array_append(ptypes,
json_string(rte_get_ptype_inner_l4_name(ptype)));
+
+ return ptypes;
+}
+
+static void
+dump_pkt_json(FILE *outf, uint16_t port_id, uint16_t queue,
+ struct rte_mbuf *pkts[], uint16_t nb_pkts, int is_rx)
+{
+ char buf[256];
+
+ for (uint16_t i = 0; i < nb_pkts; i++) {
+ const struct rte_mbuf *mb = pkts[i];
+ struct rte_net_hdr_lens hdr_lens;
+ const struct rte_ether_hdr *eth_hdr;
+ struct rte_ether_hdr _eth_hdr;
+ uint16_t eth_type;
+ uint64_t ol_flags = mb->ol_flags;
+ const char *reason = NULL;
+ json_t *jobj;
+
+ jobj = json_object();
+ json_object_set_new(jobj, "port", json_integer(port_id));
+ json_object_set_new(jobj, "queue", json_integer(queue));
+ json_object_set_new(jobj, "is_rx", json_boolean(is_rx));
+
+ if (rte_mbuf_check(mb, 1, &reason) < 0) {
+ json_object_set_new(jobj, "invalid",
json_string(reason));
+ continue;
+ }
+
+ eth_hdr = rte_pktmbuf_read(mb, 0, sizeof(_eth_hdr), &_eth_hdr);
+ eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
+
+ rte_ether_format_addr(buf, sizeof(buf), ð_hdr->dst_addr);
+ json_object_set_new(jobj, "dst", json_string(buf));
+ rte_ether_format_addr(buf, sizeof(buf), ð_hdr->src_addr);
+ json_object_set_new(jobj, "src", json_string(buf));
+
+ snprintf(buf, sizeof(buf), "0x%04x", eth_type);
+ json_object_set_new(jobj, "type", json_string(buf));
+
+ json_object_set_new(jobj, "length", json_integer(mb->pkt_len));
+ json_object_set_new(jobj, "nb_segs", json_integer(mb->nb_segs));
+
+ if (ol_flags & RTE_MBUF_F_RX_RSS_HASH)
+ json_object_set_new(jobj, "rss_hash",
json_integer(mb->hash.rss));
+
+ if (ol_flags & RTE_MBUF_F_RX_FDIR) {
+ json_t *fdir = json_object();
+
+ if (ol_flags & RTE_MBUF_F_RX_FDIR_ID)
+ json_object_set_new(fdir, "id",
+
json_integer(mb->hash.fdir.hi));
+ else if (ol_flags & RTE_MBUF_F_RX_FDIR_FLX) {
+ json_t *bytes = json_array();
+
+ json_array_append(bytes,
json_integer(mb->hash.fdir.hi));
+ json_array_append(bytes,
json_integer(mb->hash.fdir.lo));
+ json_object_set_new(fdir, "flex", bytes);
+ } else {
+ json_object_set_new(fdir, "hash",
json_integer(mb->hash.fdir.hash));
+ json_object_set_new(fdir, "id",
json_integer(mb->hash.fdir.id));
+ }
+ }
+
+ if (is_timestamp_enabled(mb))
+ json_object_set_new(jobj, "timestamp",
json_integer(get_timestamp(mb)));
+
+ if ((is_rx && (ol_flags & RTE_MBUF_F_RX_QINQ) != 0) ||
+ (!is_rx && (ol_flags & RTE_MBUF_F_TX_QINQ) != 0)) {
+ json_object_set_new(jobj, "vlan_tci",
json_integer(mb->vlan_tci));
+ json_object_set_new(jobj, "vlan_outer_tci",
+ json_integer(mb->vlan_tci_outer));
+ } else if ((is_rx && (ol_flags & RTE_MBUF_F_RX_VLAN) != 0) ||
+ (!is_rx && (ol_flags & RTE_MBUF_F_TX_VLAN) != 0)) {
+ json_object_set_new(jobj, "vlan_tci",
json_integer(mb->vlan_tci));
+ }
+
+ if (mb->packet_type)
+ json_object_set_new(jobj, "hw_ptype",
encode_ptype(mb->packet_type));
+
+ uint32_t sw_packet_type = rte_net_get_ptype(mb, &hdr_lens,
RTE_PTYPE_ALL_MASK);
+ json_object_set_new(jobj, "sw_ptype",
encode_ptype(sw_packet_type));
+
+ if (sw_packet_type & RTE_PTYPE_L2_MASK)
+ json_object_set_new(jobj, "l2_len",
json_integer(hdr_lens.l2_len));
+ if (sw_packet_type & RTE_PTYPE_L3_MASK)
+ json_object_set_new(jobj, "l3_len",
json_integer(hdr_lens.l3_len));
+ if (sw_packet_type & RTE_PTYPE_L4_MASK)
+ json_object_set_new(jobj, "l4_len",
json_integer(hdr_lens.l4_len));
+ if (sw_packet_type & RTE_PTYPE_TUNNEL_MASK)
+ json_object_set_new(jobj, "tunnel_len",
json_integer(hdr_lens.tunnel_len));
+ if (sw_packet_type & RTE_PTYPE_INNER_L2_MASK)
+ json_object_set_new(jobj, "inner_l2_len",
+
json_integer(hdr_lens.inner_l2_len));
+ if (sw_packet_type & RTE_PTYPE_INNER_L3_MASK)
+ json_object_set_new(jobj, "inner_l3_len",
+
json_integer(hdr_lens.inner_l3_len));
+ if (sw_packet_type & RTE_PTYPE_INNER_L4_MASK)
+ json_object_set_new(jobj, "inner_l4_len",
+
json_integer(hdr_lens.inner_l4_len));
+
+ json_object_set_new(jobj, "ol_flags",
encode_ol_flags(mb->ol_flags, is_rx));
+
+ json_dumpf(jobj, outf, JSON_INDENT(4));
+ json_decref(jobj);
+ }
+}
+#endif
+
static void
dump_pkt_hex(FILE *outf, uint16_t port_id, uint16_t queue,
struct rte_mbuf *pkts[], uint16_t nb_pkts, int is_rx)
@@ -368,6 +530,11 @@ dump_pkt_burst(uint16_t port_id, uint16_t queue, struct
rte_mbuf *pkts[],
case OUTPUT_MODE_DISSECT:
dump_pkt_brief(outf, port_id, queue, pkts, nb_pkts, is_rx);
break;
+#ifdef RTE_HAS_JANSSON
+ case OUTPUT_MODE_JSON:
+ dump_pkt_json(outf, port_id, queue, pkts, nb_pkts, is_rx);
+ break;
+#endif
default:
return;
}
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index 705b3dc3d5..bb62960582 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -677,13 +677,14 @@ set format
Chose the output format for packet debug log::
- testpmd> set format dissect|hex|verbose
+ testpmd> set format dissect|hex|json|verbose
Available formats are:
-* ``verbose`` print the packet meta data information
-* ``hex`` print the mbuf flags and data in hex
* ``dissect`` print the packet in tshark summary format
+* ``hex`` print the mbuf flags and data in hex
+* ``json`` print the packet meta data in json
+* ``verbose`` print the packet meta data information
set verbose
--
2.45.2
