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From: Shijith Thotton <shijith.thotton@caviumnetworks.com>
To: dev@dpdk.org
Cc: Jerin Jacob <jerin.jacob@caviumnetworks.com>,
Derek Chickles <derek.chickles@caviumnetworks.com>,
Venkat Koppula <venkat.koppula@caviumnetworks.com>,
Mallesham Jatharakonda <mjatharakonda@oneconvergence.com>
Date: Tue, 21 Feb 2017 14:56:59 +0530
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Subject: [dpdk-dev] [PATCH 44/50] net/liquidio: add support for Rx stats
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X-List-Received-Date: Tue, 21 Feb 2017 09:30:24 -0000
Signed-off-by: Shijith Thotton <shijith.thotton@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Venkat Koppula <venkat.koppula@caviumnetworks.com>
Signed-off-by: Mallesham Jatharakonda <mjatharakonda@oneconvergence.com>
---
drivers/net/liquidio/lio_ethdev.c | 50 +++++++++++++++++++++++++++++++++++++++
drivers/net/liquidio/lio_rxtx.c | 10 +++++++-
drivers/net/liquidio/lio_struct.h | 34 ++++++++++++++++++++++++++
3 files changed, 93 insertions(+), 1 deletion(-)
diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c
index 5f8f1c0..2bdba09 100644
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -117,6 +117,54 @@
return 0;
}
+/* Retrieve the device statistics (# packets in/out, # bytes in/out, etc */
+static void
+lio_dev_stats_get(struct rte_eth_dev *eth_dev,
+ struct rte_eth_stats *stats)
+{
+ struct lio_device *lio_dev = LIO_DEV(eth_dev);
+ struct lio_droq_stats *oq_stats;
+ struct lio_droq *droq;
+ uint64_t bytes = 0;
+ uint64_t pkts = 0;
+ uint64_t drop = 0;
+ int i, oq_no;
+
+ for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
+ oq_no = lio_dev->linfo.rxpciq[i].s.q_no;
+ droq = lio_dev->droq[oq_no];
+ if (droq != NULL) {
+ oq_stats = &droq->stats;
+ pkts += oq_stats->rx_pkts_received;
+ drop += (oq_stats->rx_dropped +
+ oq_stats->dropped_toomany +
+ oq_stats->dropped_nomem);
+ bytes += oq_stats->rx_bytes_received;
+ }
+ }
+ stats->ibytes = bytes;
+ stats->ipackets = pkts;
+ stats->ierrors = drop;
+}
+
+static void
+lio_dev_stats_reset(struct rte_eth_dev *eth_dev)
+{
+ struct lio_device *lio_dev = LIO_DEV(eth_dev);
+ struct lio_droq_stats *oq_stats;
+ struct lio_droq *droq;
+ int i, oq_no;
+
+ for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
+ oq_no = lio_dev->linfo.rxpciq[i].s.q_no;
+ droq = lio_dev->droq[oq_no];
+ if (droq != NULL) {
+ oq_stats = &droq->stats;
+ memset(oq_stats, 0, sizeof(struct lio_droq_stats));
+ }
+ }
+}
+
static void
lio_dev_info_get(struct rte_eth_dev *eth_dev,
struct rte_eth_dev_info *devinfo)
@@ -1391,6 +1439,8 @@ static int lio_dev_configure(struct rte_eth_dev *eth_dev)
.allmulticast_enable = lio_dev_allmulticast_enable,
.allmulticast_disable = lio_dev_allmulticast_disable,
.link_update = lio_dev_link_update,
+ .stats_get = lio_dev_stats_get,
+ .stats_reset = lio_dev_stats_reset,
.dev_infos_get = lio_dev_info_get,
.mtu_set = lio_dev_change_vf_mtu,
.rx_queue_setup = lio_dev_rx_queue_setup,
diff --git a/drivers/net/liquidio/lio_rxtx.c b/drivers/net/liquidio/lio_rxtx.c
index 9c587ef..794db32 100644
--- a/drivers/net/liquidio/lio_rxtx.c
+++ b/drivers/net/liquidio/lio_rxtx.c
@@ -115,6 +115,7 @@
buf = lio_recv_buffer_alloc(lio_dev, droq->q_no);
if (buf == NULL) {
lio_dev_err(lio_dev, "buffer alloc failed\n");
+ droq->stats.rx_alloc_failure++;
lio_droq_destroy_ring_buffers(droq);
return -ENOMEM;
}
@@ -410,8 +411,10 @@
/* If a buffer could not be allocated, no point in
* continuing
*/
- if (buf == NULL)
+ if (buf == NULL) {
+ droq->stats.rx_alloc_failure++;
break;
+ }
droq->recv_buf_list[droq->refill_idx].buffer = buf;
}
@@ -629,6 +632,11 @@
info->length = 0;
info->rh.rh64 = 0;
+ droq->stats.pkts_received++;
+ droq->stats.rx_pkts_received += data_pkts;
+ droq->stats.rx_bytes_received += data_total_len;
+ droq->stats.bytes_received += total_len;
+
return data_pkts;
}
diff --git a/drivers/net/liquidio/lio_struct.h b/drivers/net/liquidio/lio_struct.h
index bdcc301..6788da1 100644
--- a/drivers/net/liquidio/lio_struct.h
+++ b/drivers/net/liquidio/lio_struct.h
@@ -56,6 +56,37 @@ struct lio_version {
uint16_t reserved;
};
+/** Output Queue statistics. Each output queue has four stats fields. */
+struct lio_droq_stats {
+ /** Number of packets received in this queue. */
+ uint64_t pkts_received;
+
+ /** Bytes received by this queue. */
+ uint64_t bytes_received;
+
+ /** Packets dropped due to no memory available. */
+ uint64_t dropped_nomem;
+
+ /** Packets dropped due to large number of pkts to process. */
+ uint64_t dropped_toomany;
+
+ /** Number of packets sent to stack from this queue. */
+ uint64_t rx_pkts_received;
+
+ /** Number of Bytes sent to stack from this queue. */
+ uint64_t rx_bytes_received;
+
+ /** Num of Packets dropped due to receive path failures. */
+ uint64_t rx_dropped;
+
+ /** Num of vxlan packets received; */
+ uint64_t rx_vxlan;
+
+ /** Num of failures of lio_recv_buffer_alloc() */
+ uint64_t rx_alloc_failure;
+
+};
+
/** The Descriptor Ring Output Queue structure.
* This structure has all the information required to implement a
* DROQ.
@@ -117,6 +148,9 @@ struct lio_droq {
*/
void *pkts_sent_reg;
+ /** Statistics for this DROQ. */
+ struct lio_droq_stats stats;
+
/** DMA mapped address of the DROQ descriptor ring. */
size_t desc_ring_dma;
--
1.8.3.1