[dpdk-dev] [PATCH] ethdev: expose link status and speed using xstats
Harry van Haaren
harry.van.haaren at intel.com
Wed Jan 20 15:28:06 CET 2016
This patch exposes link duplex, speed, and status via the
existing xstats API.
Signed-off-by: Harry van Haaren <harry.van.haaren at intel.com>
---
doc/guides/rel_notes/release_2_3.rst | 1 +
lib/librte_ether/rte_ethdev.c | 29 ++++++++++++++++++++++++++---
2 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/doc/guides/rel_notes/release_2_3.rst b/doc/guides/rel_notes/release_2_3.rst
index 99de186..c3449dc 100644
--- a/doc/guides/rel_notes/release_2_3.rst
+++ b/doc/guides/rel_notes/release_2_3.rst
@@ -19,6 +19,7 @@ Drivers
Libraries
~~~~~~~~~
+* **Link Status added to extended statistics in ethdev**
Examples
~~~~~~~~
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index ed971b4..3c35e1b 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1,7 +1,7 @@
/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -83,6 +83,15 @@ struct rte_eth_xstats_name_off {
unsigned offset;
};
+/* Link Status display in xstats */
+static const char * const rte_eth_duplex_strings[] = {
+ "link_duplex_autonegotiate",
+ "link_duplex_half",
+ "link_duplex_full"
+};
+
+#define RTE_NB_LINK_STATUS_STATS 3
+
static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
{"rx_good_packets", offsetof(struct rte_eth_stats, ipackets)},
{"tx_good_packets", offsetof(struct rte_eth_stats, opackets)},
@@ -94,7 +103,10 @@ static const struct rte_eth_xstats_name_off rte_stats_strings[] = {
rx_nombuf)},
};
-#define RTE_NB_STATS (sizeof(rte_stats_strings) / sizeof(rte_stats_strings[0]))
+#define RTE_GENERIC_STATS (sizeof(rte_stats_strings) / \
+ sizeof(rte_stats_strings[0]))
+
+#define RTE_NB_STATS (RTE_NB_LINK_STATUS_STATS + RTE_GENERIC_STATS)
static const struct rte_eth_xstats_name_off rte_rxq_stats_strings[] = {
{"packets", offsetof(struct rte_eth_stats, q_ipackets)},
@@ -1466,6 +1478,7 @@ rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstats *xstats,
{
struct rte_eth_stats eth_stats;
struct rte_eth_dev *dev;
+ struct rte_eth_link link;
unsigned count = 0, i, q;
signed xcount = 0;
uint64_t val, *stats_ptr;
@@ -1497,8 +1510,18 @@ rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstats *xstats,
count = 0;
rte_eth_stats_get(port_id, ð_stats);
+ /* link status */
+ rte_eth_link_get_nowait(port_id, &link);
+ snprintf(xstats[count].name, sizeof(xstats[count].name), "link_status");
+ xstats[count++].value = link.link_status;
+ snprintf(xstats[count].name, sizeof(xstats[count].name), "link_speed");
+ xstats[count++].value = link.link_speed;
+ snprintf(xstats[count].name, sizeof(xstats[count].name),
+ "%s", rte_eth_duplex_strings[link.link_duplex]);
+ xstats[count++].value = 1;
+
/* global stats */
- for (i = 0; i < RTE_NB_STATS; i++) {
+ for (i = 0; i < RTE_GENERIC_STATS; i++) {
stats_ptr = RTE_PTR_ADD(ð_stats,
rte_stats_strings[i].offset);
val = *stats_ptr;
--
2.5.0
More information about the dev
mailing list