If RTE_ETHDEV_QUEUE_STAT_CNTRS is less than the number of queues
in a device, the device should still count packets for all queues.
Add byte counters.

Remove the igb_ prefix which was inherited from other driver.

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 drivers/net/null/rte_eth_null.c | 57 ++++++++++++++++-----------------
 1 file changed, 27 insertions(+), 30 deletions(-)

diff --git a/drivers/net/null/rte_eth_null.c b/drivers/net/null/rte_eth_null.c
index 40ce5c6ed2..8a9b74a03b 100644
--- a/drivers/net/null/rte_eth_null.c
+++ b/drivers/net/null/rte_eth_null.c
@@ -319,38 +319,39 @@ eth_dev_info(struct rte_eth_dev *dev,
 }
 
 static int
-eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats)
+eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 {
-       unsigned int i, num_stats;
-       unsigned long rx_total = 0, tx_total = 0;
-       const struct pmd_internals *internal;
+       const struct pmd_internals *internal = dev->data->dev_private;
+       unsigned int i;
 
-       if ((dev == NULL) || (igb_stats == NULL))
-               return -EINVAL;
+       for (i = 0; i < dev->data->nb_rx_queues; i++) {
+               uint64_t pkts = internal->rx_null_queues[i].rx_pkts;
+               uint64_t bytes = internal->rx_null_queues[i].rx_bytes;
+
+               stats->ipackets += pkts;
+               stats->ibytes += bytes;
 
-       internal = dev->data->dev_private;
-       num_stats = RTE_MIN((unsigned int)RTE_ETHDEV_QUEUE_STAT_CNTRS,
-                       RTE_MIN(dev->data->nb_rx_queues,
-                               RTE_DIM(internal->rx_null_queues)));
-       for (i = 0; i < num_stats; i++) {
-               igb_stats->q_ipackets[i] =
-                       internal->rx_null_queues[i].rx_pkts;
-               rx_total += igb_stats->q_ipackets[i];
+               if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+                       stats->q_ipackets[i] = pkts;
+                       stats->q_ibytes[i] = bytes;
+               }
        }
 
-       num_stats = RTE_MIN((unsigned int)RTE_ETHDEV_QUEUE_STAT_CNTRS,
-                       RTE_MIN(dev->data->nb_tx_queues,
-                               RTE_DIM(internal->tx_null_queues)));
-       for (i = 0; i < num_stats; i++) {
-               uint64_t pkts = 
rte_atomic_load_explicit(&internal->tx_null_queues[i].tx_pkts,
-                                                  rte_memory_order_relaxed);
+       for (i = 0; i < dev->data->nb_tx_queues; i++) {
+               const struct null_queue *q = &internal->tx_null_queues[i];
+               uint64_t pkts, bytes;
 
-               igb_stats->q_opackets[i] = pkts;
-               tx_total += pkts;
-       }
+               pkts = rte_atomic_load_explicit(&q->tx_pkts, 
rte_memory_order_relaxed);
+               bytes = rte_atomic_load_explicit(&q->tx_bytes, 
rte_memory_order_relaxed);
+
+               stats->opackets = pkts;
+               stats->obytes = bytes;
 
-       igb_stats->ipackets = rx_total;
-       igb_stats->opackets = tx_total;
+               if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+                       stats->q_opackets[i] = pkts;
+                       stats->q_obytes[i] = bytes;
+               }
+       }
 
        return 0;
 }
@@ -358,13 +359,9 @@ eth_stats_get(struct rte_eth_dev *dev, struct 
rte_eth_stats *igb_stats)
 static int
 eth_stats_reset(struct rte_eth_dev *dev)
 {
+       struct pmd_internals *internal = dev->data->dev_private;
        unsigned int i;
-       struct pmd_internals *internal;
-
-       if (dev == NULL)
-               return -EINVAL;
 
-       internal = dev->data->dev_private;
        for (i = 0; i < RTE_DIM(internal->rx_null_queues); i++) {
                internal->rx_null_queues[i].rx_pkts = 0;
                internal->rx_null_queues[i].rx_bytes = 0;
-- 
2.47.2

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