From: Geetha sowjanya <gakula@marvell.com>
To: <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: <kuba@kernel.org>, <davem@davemloft.net>, <pabeni@redhat.com>,
<edumazet@google.com>, <sgoutham@marvell.com>,
<gakula@marvell.com>, <sbhatta@marvell.com>, <hkelam@marvell.com>
Subject: [net-next PATCH 4/9] octeontx2-pf: Add basic net_device_ops
Date: Tue, 16 Apr 2024 10:36:11 +0530 [thread overview]
Message-ID: <20240416050616.6056-5-gakula@marvell.com> (raw)
In-Reply-To: <20240416050616.6056-1-gakula@marvell.com>
Implements basic set of net_device_ops.
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
---
.../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 fd55ef40c934..187b00156bcd 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, incase 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 otx2_cq_poll *cq_poll = NULL;
@@ -157,6 +202,7 @@ int rvu_rep_create(struct otx2_nic *priv)
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
next prev parent reply other threads:[~2024-04-16 5:06 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-16 5:06 [net-next PATCH 0/9] Introduce RVU representors Geetha sowjanya
2024-04-16 5:06 ` [net-next PATCH 1/9] octeontx2-pf: Refactoring RVU driver Geetha sowjanya
2024-04-16 5:06 ` [net-next PATCH 2/9] octeontx2-pf: RVU representor driver Geetha sowjanya
2024-04-16 16:17 ` Kalesh Anakkur Purayil
2024-04-17 13:37 ` Dan Carpenter
2024-04-17 13:45 ` [EXTERNAL] " Geethasowjanya Akula
2024-04-17 16:22 ` kernel test robot
2024-04-16 5:06 ` [net-next PATCH 3/9] octeontx2-pf: Create representor netdev Geetha sowjanya
2024-04-17 0:31 ` kernel test robot
2024-04-17 1:24 ` kernel test robot
2024-04-17 4:28 ` Kalesh Anakkur Purayil
2024-04-17 13:43 ` [EXTERNAL] " Geethasowjanya Akula
2024-04-17 15:24 ` Dan Carpenter
2024-04-17 15:36 ` Dan Carpenter
2024-04-16 5:06 ` Geetha sowjanya [this message]
2024-04-16 5:06 ` [net-next PATCH 5/9] octeontx2-af: Add packet path between representor and VF Geetha sowjanya
2024-04-17 4:10 ` Kalesh Anakkur Purayil
2024-04-17 4:15 ` Kalesh Anakkur Purayil
2024-04-17 13:48 ` [EXTERNAL] " Geethasowjanya Akula
2024-04-17 18:08 ` Dan Carpenter
2024-04-16 5:06 ` [net-next PATCH 6/9] octeontx2-pf: Get VF stats via representor Geetha sowjanya
2024-04-16 5:06 ` [net-next PATCH 7/9] octeontx2-pf: Add support to sync link state between representor and VFs Geetha sowjanya
2024-04-16 5:06 ` [net-next PATCH 8/9] octeontx2-pf: Configure VF mtu via representor Geetha sowjanya
2024-04-16 5:06 ` [net-next PATCH 9/9] octeontx2-pf: Add representors for sdp MAC Geetha sowjanya
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