diff mbox series

[net-next,v9,11/11] octeontx2-pf: Implement offload stats ndo for representors

Message ID 20240712175520.7013-12-gakula@marvell.com (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series Introduce RVU representors | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 821 this patch: 821
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 826 this patch: 826
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 67 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest fail net-next-2024-07-12--21-00 (tests: 696)

Commit Message

Geetha sowjanya July 12, 2024, 5:55 p.m. UTC
Implement the offload stat ndo by fetching the HW stats
of rx/tx queues attached to the representor.

Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
---
 .../marvell/octeontx2/nic/otx2_common.c       |  2 +
 .../net/ethernet/marvell/octeontx2/nic/rep.c  | 41 +++++++++++++++++++
 2 files changed, 43 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 4c11c420399b..b1251f80a569 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -83,6 +83,7 @@  int otx2_update_rq_stats(struct otx2_nic *pfvf, int qidx)
 	otx2_nix_rq_op_stats(&rq->stats, pfvf, qidx);
 	return 1;
 }
+EXPORT_SYMBOL(otx2_update_rq_stats);
 
 int otx2_update_sq_stats(struct otx2_nic *pfvf, int qidx)
 {
@@ -99,6 +100,7 @@  int otx2_update_sq_stats(struct otx2_nic *pfvf, int qidx)
 	otx2_nix_sq_op_stats(&sq->stats, pfvf, qidx);
 	return 1;
 }
+EXPORT_SYMBOL(otx2_update_sq_stats);
 
 void otx2_get_dev_stats(struct otx2_nic *pfvf)
 {
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
index 6939f213f9f8..d62aabf98833 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
@@ -28,6 +28,45 @@  MODULE_DESCRIPTION(DRV_STRING);
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, rvu_rep_id_table);
 
+static int
+rvu_rep_sp_stats64(const struct net_device *dev,
+		   struct rtnl_link_stats64 *stats)
+{
+	struct rep_dev *rep = netdev_priv(dev);
+	struct otx2_nic *priv = rep->mdev;
+	struct otx2_rcv_queue *rq;
+	struct otx2_snd_queue *sq;
+	u16 qidx = rep->rep_id;
+
+	otx2_update_rq_stats(priv, qidx);
+	rq = &priv->qset.rq[qidx];
+
+	otx2_update_sq_stats(priv, qidx);
+	sq = &priv->qset.sq[qidx];
+
+	stats->tx_bytes = sq->stats.bytes;
+	stats->tx_packets = sq->stats.pkts;
+	stats->rx_bytes = rq->stats.bytes;
+	stats->rx_packets = rq->stats.pkts;
+	return 0;
+}
+
+static bool
+rvu_rep_has_offload_stats(const struct net_device *dev, int attr_id)
+{
+	return attr_id == IFLA_OFFLOAD_XSTATS_CPU_HIT;
+}
+
+static int
+rvu_rep_get_offload_stats(int attr_id, const struct net_device *dev,
+			  void *sp)
+{
+	if (attr_id == IFLA_OFFLOAD_XSTATS_CPU_HIT)
+		return rvu_rep_sp_stats64(dev, (struct rtnl_link_stats64 *)sp);
+
+	return -EINVAL;
+}
+
 static int rvu_rep_dl_port_fn_hw_addr_get(struct devlink_port *port,
 					  u8 *hw_addr, int *hw_addr_len,
 					  struct netlink_ext_ack *extack)
@@ -310,6 +349,8 @@  static const struct net_device_ops rvu_rep_netdev_ops = {
 	.ndo_start_xmit		= rvu_rep_xmit,
 	.ndo_get_stats64	= rvu_rep_get_stats64,
 	.ndo_change_mtu		= rvu_rep_change_mtu,
+	.ndo_has_offload_stats	= rvu_rep_has_offload_stats,
+	.ndo_get_offload_stats	= rvu_rep_get_offload_stats,
 };
 
 static int rvu_rep_napi_init(struct otx2_nic *priv,