linux-kernel - [net-next] ice: expose non_eop

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Message-ID: <20241216234850.494198-1-jmaxwell37@gmail.com>
Date: Tue, 17 Dec 2024 10:48:50 +1100
From: Jon Maxwell <jmaxwell37@...il.com>
To: anthony.l.nguyen@...el.com
Cc: przemyslaw.kitszel@...el.com,
	andrew+netdev@...n.ch,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	intel-wired-lan@...ts.osuosl.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	jmaxwell37@...il.com
Subject: [net-next] ice: expose non_eop_descs to ethtool

The ixgbe driver exposes non_eop_descs to ethtool. Do the same for ice.

With this patch:

ethtool -S ens2f0np0 | grep non_eop_descs
     non_eop_descs: 956719320

Signed-off-by: Jon Maxwell <jmaxwell37@...il.com>
---
 drivers/net/ethernet/intel/ice/ice.h         | 1 +
 drivers/net/ethernet/intel/ice/ice_ethtool.c | 1 +
 drivers/net/ethernet/intel/ice/ice_main.c    | 2 ++
 3 files changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index 2f5d6f974185..8ff94400864e 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -345,6 +345,7 @@ struct ice_vsi {
 	u32 rx_buf_failed;
 	u32 rx_page_failed;
 	u16 num_q_vectors;
+	u64 non_eop_descs;
 	/* tell if only dynamic irq allocation is allowed */
 	bool irq_dyn_alloc;
 
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 3072634bf049..e85b664fa647 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -65,6 +65,7 @@ static const struct ice_stats ice_gstrings_vsi_stats[] = {
 	ICE_VSI_STAT("tx_linearize", tx_linearize),
 	ICE_VSI_STAT("tx_busy", tx_busy),
 	ICE_VSI_STAT("tx_restart", tx_restart),
+	ICE_VSI_STAT("non_eop_descs", non_eop_descs),
 };
 
 enum ice_ethtool_test_id {
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 0ab35607e5d5..948c38c0770b 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -6896,6 +6896,7 @@ static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
 	vsi->tx_linearize = 0;
 	vsi->rx_buf_failed = 0;
 	vsi->rx_page_failed = 0;
+	vsi->non_eop_descs = 0;
 
 	rcu_read_lock();
 
@@ -6916,6 +6917,7 @@ static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
 		vsi_stats->rx_bytes += bytes;
 		vsi->rx_buf_failed += ring_stats->rx_stats.alloc_buf_failed;
 		vsi->rx_page_failed += ring_stats->rx_stats.alloc_page_failed;
+		vsi->non_eop_descs += ring_stats->rx_stats.non_eop_descs;
 	}
 
 	/* update XDP Tx rings counters */
-- 
2.47.1