[dpdk-dev] [PATCH v2 4/7] ethdev: expose extended error stats

[Maryam Tahhan]

Extend rte_eth_xstats_get to retrieve additional stats from the device
driver as well the top level extended stats.

Signed-off-by: Maryam Tahhan <maryam.tahhan at intel.com>
---
 lib/librte_ether/rte_ethdev.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index a439b4a..ce163a1 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1745,7 +1745,7 @@ rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstats 
*xstats,
 {
        struct rte_eth_stats eth_stats;
        struct rte_eth_dev *dev;
-       unsigned count, i, q;
+       unsigned count = 0, xcount = 0, i, q;
        uint64_t val;
        char *stats_ptr;

@@ -1758,18 +1758,19 @@ rte_eth_xstats_get(uint8_t port_id, struct 
rte_eth_xstats *xstats,

        /* implemented by the driver */
        if (dev->dev_ops->xstats_get != NULL)
-               return (*dev->dev_ops->xstats_get)(dev, xstats, n);
+               xcount = (*dev->dev_ops->xstats_get)(dev, xstats, n);

        /* else, return generic statistics */
        count = RTE_NB_STATS;
        count += dev->data->nb_rx_queues * RTE_NB_RXQ_STATS;
        count += dev->data->nb_tx_queues * RTE_NB_TXQ_STATS;
+       count += xcount;
        if (n < count)
                return count;

        /* now fill the xstats structure */

-       count = 0;
+       count = xcount;
        rte_eth_stats_get(port_id, &eth_stats);

        /* global stats */
-- 
1.9.3