ena driver has 6 XDP counters collected per-channel. Add callbacks
for getting the number of channels and those counters using generic
XDP stats infra.
Signed-off-by: Alexander Lobakin <alexandr.lobakin@xxxxxxxxx>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>
---
drivers/net/ethernet/amazon/ena/ena_netdev.c | 53 ++++++++++++++++++++
1 file changed, 53 insertions(+)
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 7d5d885d85d5..83e9b85cc998 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -3313,12 +3313,65 @@ static void ena_get_stats64(struct net_device *netdev,
stats->tx_errors = 0;
}
+static int ena_get_xdp_stats_nch(const struct net_device *netdev, u32 attr_id)
+{
+ const struct ena_adapter *adapter = netdev_priv(netdev);
+
+ switch (attr_id) {
+ case IFLA_XDP_XSTATS_TYPE_XDP:
+ return adapter->num_io_queues;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int ena_get_xdp_stats(const struct net_device *netdev, u32 attr_id,
+ void *attr_data)
+{
+ const struct ena_adapter *adapter = netdev_priv(netdev);
+ struct ifla_xdp_stats *xdp_stats = attr_data;
+ u32 i;
+
+ switch (attr_id) {
+ case IFLA_XDP_XSTATS_TYPE_XDP:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ for (i = 0; i < adapter->num_io_queues; i++) {
+ const struct u64_stats_sync *syncp;
+ const struct ena_stats_rx *stats;
+ u32 start;
+
+ stats = &adapter->rx_ring[i].rx_stats;
+ syncp = &adapter->rx_ring[i].syncp;
+
+ do {
+ start = u64_stats_fetch_begin_irq(syncp);
+
+ xdp_stats->drop = stats->xdp_drop;
+ xdp_stats->pass = stats->xdp_pass;
+ xdp_stats->tx = stats->xdp_tx;
+ xdp_stats->redirect = stats->xdp_redirect;
+ xdp_stats->aborted = stats->xdp_aborted;
+ xdp_stats->invalid = stats->xdp_invalid;
+ } while (u64_stats_fetch_retry_irq(syncp, start));
+
+ xdp_stats++;
+ }
+
+ return 0;
+}
+
static const struct net_device_ops ena_netdev_ops = {
.ndo_open = ena_open,
.ndo_stop = ena_close,
.ndo_start_xmit = ena_start_xmit,
.ndo_select_queue = ena_select_queue,
.ndo_get_stats64 = ena_get_stats64,
+ .ndo_get_xdp_stats_nch = ena_get_xdp_stats_nch,
+ .ndo_get_xdp_stats = ena_get_xdp_stats,
.ndo_tx_timeout = ena_tx_timeout,
.ndo_change_mtu = ena_change_mtu,
.ndo_set_mac_address = NULL,
--
2.33.1
