diff mbox series

[net-next,11/15] ice: Add XDP Tx to VSI ring stats

Message ID 20200528072538.1621790-12-jeffrey.t.kirsher@intel.com
State Accepted
Delegated to: David Miller
Headers show
Series 100GbE Intel Wired LAN Driver Updates 2020-05-27 | expand

Commit Message

Kirsher, Jeffrey T May 28, 2020, 7:25 a.m. UTC 
From: Marta Plantykow <marta.a.plantykow@intel.com>

When XDP Tx program is loaded and packets are sent from
interface, VSI statistics are not updated. This patch adds
packets sent on Tx XDP ring to VSI ring stats.

Signed-off-by: Marta Plantykow <marta.a.plantykow@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 drivers/net/ethernet/intel/ice/ice_main.c | 42 ++++++++++++++++++-----
 1 file changed, 33 insertions(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 081fec3131cd..81c5f0ce5b8f 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -4219,6 +4219,33 @@  ice_fetch_u64_stats_per_ring(struct ice_ring *ring, u64 *pkts, u64 *bytes)
 	} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
 }
 
+/**
+ * ice_update_vsi_tx_ring_stats - Update VSI Tx ring stats counters
+ * @vsi: the VSI to be updated
+ * @rings: rings to work on
+ * @count: number of rings
+ */
+static void
+ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi, struct ice_ring **rings,
+			     u16 count)
+{
+	struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats;
+	u16 i;
+
+	for (i = 0; i < count; i++) {
+		struct ice_ring *ring;
+		u64 pkts, bytes;
+
+		ring = READ_ONCE(rings[i]);
+		ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes);
+		vsi_stats->tx_packets += pkts;
+		vsi_stats->tx_bytes += bytes;
+		vsi->tx_restart += ring->tx_stats.restart_q;
+		vsi->tx_busy += ring->tx_stats.tx_busy;
+		vsi->tx_linearize += ring->tx_stats.tx_linearize;
+	}
+}
+
 /**
  * ice_update_vsi_ring_stats - Update VSI stats counters
  * @vsi: the VSI to be updated
@@ -4246,15 +4273,7 @@  static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
 	rcu_read_lock();
 
 	/* update Tx rings counters */
-	ice_for_each_txq(vsi, i) {
-		ring = READ_ONCE(vsi->tx_rings[i]);
-		ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes);
-		vsi_stats->tx_packets += pkts;
-		vsi_stats->tx_bytes += bytes;
-		vsi->tx_restart += ring->tx_stats.restart_q;
-		vsi->tx_busy += ring->tx_stats.tx_busy;
-		vsi->tx_linearize += ring->tx_stats.tx_linearize;
-	}
+	ice_update_vsi_tx_ring_stats(vsi, vsi->tx_rings, vsi->num_txq);
 
 	/* update Rx rings counters */
 	ice_for_each_rxq(vsi, i) {
@@ -4266,6 +4285,11 @@  static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
 		vsi->rx_page_failed += ring->rx_stats.alloc_page_failed;
 	}
 
+	/* update XDP Tx rings counters */
+	if (ice_is_xdp_ena_vsi(vsi))
+		ice_update_vsi_tx_ring_stats(vsi, vsi->xdp_rings,
+					     vsi->num_xdp_txq);
+
 	rcu_read_unlock();
 }