[net-next PATCH v11 04/11] octeontx2-pf: Add basic net_device_ops

[Geetha sowjanya]

Implements basic set of net_device_ops.

Signed-off-by: Geetha sowjanya <gakula@xxxxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
---
 .../net/ethernet/marvell/octeontx2/nic/rep.c  | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
index 5635861a83f7..e085fef4e2dc 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
@@ -28,6 +28,51 @@ MODULE_DESCRIPTION(DRV_STRING);
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, rvu_rep_id_table);
 
+static netdev_tx_t rvu_rep_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	struct rep_dev *rep = netdev_priv(dev);
+	struct otx2_nic *pf = rep->mdev;
+	struct otx2_snd_queue *sq;
+	struct netdev_queue *txq;
+
+	sq = &pf->qset.sq[rep->rep_id];
+	txq = netdev_get_tx_queue(dev, 0);
+
+	if (!otx2_sq_append_skb(pf, txq, sq, skb, rep->rep_id)) {
+		netif_tx_stop_queue(txq);
+
+		/* Check again, in case SQBs got freed up */
+		smp_mb();
+		if (((sq->num_sqbs - *sq->aura_fc_addr) * sq->sqe_per_sqb)
+							> sq->sqe_thresh)
+			netif_tx_wake_queue(txq);
+
+		return NETDEV_TX_BUSY;
+	}
+	return NETDEV_TX_OK;
+}
+
+static int rvu_rep_open(struct net_device *dev)
+{
+	netif_carrier_on(dev);
+	netif_tx_start_all_queues(dev);
+	return 0;
+}
+
+static int rvu_rep_stop(struct net_device *dev)
+{
+	netif_carrier_off(dev);
+	netif_tx_disable(dev);
+
+	return 0;
+}
+
+static const struct net_device_ops rvu_rep_netdev_ops = {
+	.ndo_open		= rvu_rep_open,
+	.ndo_stop		= rvu_rep_stop,
+	.ndo_start_xmit		= rvu_rep_xmit,
+};
+
 static int rvu_rep_napi_init(struct otx2_nic *priv,
 			     struct netlink_ext_ack *extack)
 {
@@ -156,6 +201,7 @@ int rvu_rep_create(struct otx2_nic *priv, struct netlink_ext_ack *extack)
 
 		ndev->min_mtu = OTX2_MIN_MTU;
 		ndev->max_mtu = priv->hw.max_mtu;
+		ndev->netdev_ops = &rvu_rep_netdev_ops;
 		pcifunc = priv->rep_pf_map[rep_id];
 		rep->pcifunc = pcifunc;
 
-- 
2.25.1