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From: Junfeng Guo <junfeng.guo@intel.com>
To: qi.z.zhang@intel.com,
jingjing.wu@intel.com
Cc: ferruh.yigit@xilinx.com, dev@dpdk.org, xiaoyun.li@intel.com,
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Subject: [PATCH v4 9/9] net/gve: add support for stats
Date: Tue, 27 Sep 2022 15:32:55 +0800
Message-Id: <20220927073255.1803892-10-junfeng.guo@intel.com>
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Update stats add support of dev_ops stats_get/reset.
Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
---
doc/guides/nics/features/gve.ini | 2 +
drivers/net/gve/gve_ethdev.c | 71 ++++++++++++++++++++++++++++++++
drivers/net/gve/gve_ethdev.h | 11 +++++
drivers/net/gve/gve_rx.c | 15 ++++++-
drivers/net/gve/gve_tx.c | 13 ++++++
5 files changed, 110 insertions(+), 2 deletions(-)
diff --git a/doc/guides/nics/features/gve.ini b/doc/guides/nics/features/gve.ini
index cdc46b08a3..180408aa80 100644
--- a/doc/guides/nics/features/gve.ini
+++ b/doc/guides/nics/features/gve.ini
@@ -10,6 +10,8 @@ MTU update = Y
TSO = Y
RSS hash = Y
L4 checksum offload = Y
+Basic stats = Y
+Stats per queue = Y
Linux = Y
x86-32 = Y
x86-64 = Y
diff --git a/drivers/net/gve/gve_ethdev.c b/drivers/net/gve/gve_ethdev.c
index b9b8e51b02..cd474b8128 100644
--- a/drivers/net/gve/gve_ethdev.c
+++ b/drivers/net/gve/gve_ethdev.c
@@ -328,6 +328,75 @@ gve_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
return 0;
}
+static int
+gve_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+ uint16_t i;
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ struct gve_tx_queue *txq = dev->data->tx_queues[i];
+ if (txq == NULL)
+ continue;
+
+ stats->opackets += txq->packets;
+ stats->obytes += txq->bytes;
+ stats->oerrors += txq->errors;
+
+ if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+ stats->q_opackets[i] = txq->packets;
+ stats->q_obytes[i] = txq->bytes;
+ }
+ }
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ struct gve_rx_queue *rxq = dev->data->rx_queues[i];
+ if (rxq == NULL)
+ continue;
+
+ stats->ipackets += rxq->packets;
+ stats->ibytes += rxq->bytes;
+ stats->ierrors += rxq->errors;
+ stats->rx_nombuf += rxq->no_mbufs;
+
+ if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+ stats->q_ipackets[i] = rxq->packets;
+ stats->q_ibytes[i] = rxq->bytes;
+ stats->q_errors[i] = rxq->errors;
+ }
+ }
+
+ return 0;
+}
+
+static int
+gve_dev_stats_reset(struct rte_eth_dev *dev)
+{
+ uint16_t i;
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ struct gve_tx_queue *txq = dev->data->tx_queues[i];
+ if (txq == NULL)
+ continue;
+
+ txq->packets = 0;
+ txq->bytes = 0;
+ txq->errors = 0;
+ }
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ struct gve_rx_queue *rxq = dev->data->rx_queues[i];
+ if (rxq == NULL)
+ continue;
+
+ rxq->packets = 0;
+ rxq->bytes = 0;
+ rxq->no_mbufs = 0;
+ rxq->errors = 0;
+ }
+
+ return 0;
+}
+
static int
gve_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{
@@ -365,6 +434,8 @@ static const struct eth_dev_ops gve_eth_dev_ops = {
.rx_queue_setup = gve_rx_queue_setup,
.tx_queue_setup = gve_tx_queue_setup,
.link_update = gve_link_update,
+ .stats_get = gve_dev_stats_get,
+ .stats_reset = gve_dev_stats_reset,
.mtu_set = gve_dev_mtu_set,
};
diff --git a/drivers/net/gve/gve_ethdev.h b/drivers/net/gve/gve_ethdev.h
index 502ba88dc3..7d9283f8fa 100644
--- a/drivers/net/gve/gve_ethdev.h
+++ b/drivers/net/gve/gve_ethdev.h
@@ -76,6 +76,11 @@ struct gve_tx_queue {
struct gve_queue_page_list *qpl;
struct gve_tx_iovec *iov_ring;
+ /* Stats */
+ uint64_t errors;
+ uint64_t packets;
+ uint64_t bytes;
+
uint16_t port_id;
uint16_t queue_id;
@@ -114,6 +119,12 @@ struct gve_rx_queue {
/* only valid for GQI_QPL queue format */
struct gve_queue_page_list *qpl;
+ /* stats */
+ uint64_t no_mbufs;
+ uint64_t errors;
+ uint64_t packets;
+ uint64_t bytes;
+
struct gve_priv *hw;
const struct rte_memzone *qres_mz;
struct gve_queue_resources *qres;
diff --git a/drivers/net/gve/gve_rx.c b/drivers/net/gve/gve_rx.c
index 3634a2762f..6928afe96e 100644
--- a/drivers/net/gve/gve_rx.c
+++ b/drivers/net/gve/gve_rx.c
@@ -26,8 +26,10 @@ gve_rx_refill(struct gve_rx_queue *rxq)
break;
rxq->sw_ring[idx + i] = nmb;
}
- if (i != nb_alloc)
+ if (i != nb_alloc) {
+ rxq->no_mbufs += nb_alloc - i;
nb_alloc = i;
+ }
}
rxq->nb_avail -= nb_alloc;
next_avail += nb_alloc;
@@ -88,6 +90,7 @@ gve_rx_burst(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
uint16_t rx_id = rxq->rx_tail;
struct rte_mbuf *rxe;
uint16_t nb_rx, len;
+ uint64_t bytes = 0;
uint64_t addr;
rxr = rxq->rx_desc_ring;
@@ -97,8 +100,10 @@ gve_rx_burst(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
if (GVE_SEQNO(rxd->flags_seq) != rxq->expected_seqno)
break;
- if (rxd->flags_seq & GVE_RXF_ERR)
+ if (rxd->flags_seq & GVE_RXF_ERR) {
+ rxq->errors++;
continue;
+ }
len = rte_be_to_cpu_16(rxd->len) - GVE_RX_PAD;
rxe = rxq->sw_ring[rx_id];
@@ -137,6 +142,7 @@ gve_rx_burst(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
rx_id = 0;
rx_pkts[nb_rx] = rxe;
+ bytes += len;
}
rxq->nb_avail += nb_rx;
@@ -145,6 +151,11 @@ gve_rx_burst(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
if (rxq->nb_avail > rxq->free_thresh)
gve_rx_refill(rxq);
+ if (nb_rx) {
+ rxq->packets += nb_rx;
+ rxq->bytes += bytes;
+ }
+
return nb_rx;
}
diff --git a/drivers/net/gve/gve_tx.c b/drivers/net/gve/gve_tx.c
index d94b1186a4..0f2c3f8288 100644
--- a/drivers/net/gve/gve_tx.c
+++ b/drivers/net/gve/gve_tx.c
@@ -260,6 +260,7 @@ gve_tx_burst_qpl(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
struct rte_mbuf *tx_pkt, *first;
uint16_t sw_id = txq->sw_tail;
uint16_t nb_used, i;
+ uint64_t bytes = 0;
uint16_t nb_tx = 0;
uint32_t hlen;
@@ -355,6 +356,8 @@ gve_tx_burst_qpl(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
txq->nb_free -= nb_used;
txq->sw_nb_free -= first->nb_segs;
tx_tail += nb_used;
+
+ bytes += first->pkt_len;
}
end_of_tx:
@@ -362,6 +365,10 @@ gve_tx_burst_qpl(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
rte_write32(rte_cpu_to_be_32(tx_tail), txq->qtx_tail);
txq->tx_tail = tx_tail;
txq->sw_tail = sw_id;
+
+ txq->errors += nb_pkts - nb_tx;
+ txq->packets += nb_tx;
+ txq->bytes += bytes;
}
return nb_tx;
@@ -380,6 +387,7 @@ gve_tx_burst_ra(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
struct rte_mbuf *tx_pkt, *first;
uint16_t nb_used, hlen, i;
uint64_t ol_flags, addr;
+ uint64_t bytes = 0;
uint16_t nb_tx = 0;
txr = txq->tx_desc_ring;
@@ -438,12 +446,17 @@ gve_tx_burst_ra(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
txq->nb_free -= nb_used;
tx_tail += nb_used;
+
+ bytes += first->pkt_len;
}
end_of_tx:
if (nb_tx) {
rte_write32(rte_cpu_to_be_32(tx_tail), txq->qtx_tail);
txq->tx_tail = tx_tail;
+
+ txq->packets += nb_tx;
+ txq->bytes += bytes;
}
return nb_tx;
--
2.34.1