[net-next PATCH v9 11/11] octeontx2-pf: Implement offload stats ndo for representors
From: Geetha sowjanya <gakula@marvell.com>
Date: 2024-07-12 17:56:10
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Subsystem:
marvell octeontx2 physical function driver, networking drivers, the rest · Maintainers:
Sunil Goutham, Geetha sowjanya, Ratheesh Kannoth, Subbaraya Sundeep, Bharat Bhushan, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 --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,
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2.25.1