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 v3 8/9] octeontx2-pf: Configure VF mtu via representor
Date: Sun, 28 Apr 2024 16:23:11 +0530 [thread overview]
Message-ID: <20240428105312.9731-9-gakula@marvell.com> (raw)
In-Reply-To: <20240428105312.9731-1-gakula@marvell.com>
Add support to manage the mtu configuration for VF through representor.
On update of representor mtu a mbox notification is send
to VF to update its mtu.
Signed-off-by: Sai Krishna <saikrishnag@marvell.com>
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
---
.../ethernet/marvell/octeontx2/nic/otx2_pf.c | 5 +++++
.../net/ethernet/marvell/octeontx2/nic/rep.c | 17 +++++++++++++++++
2 files changed, 22 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index faf6e1716efe..301ecb2b6a24 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -854,6 +854,11 @@ static int otx2_mbox_up_handler_rep_event_up_notify(struct otx2_nic *pf,
{
struct net_device *netdev = pf->netdev;
+ if (info->event == RVU_EVENT_MTU_CHANGE) {
+ netdev->mtu = info->evt_data.mtu;
+ return 0;
+ }
+
if (info->event == RVU_EVENT_PORT_STATE) {
if (info->evt_data.port_state) {
pf->flags |= OTX2_FLAG_PORT_UP;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
index ae5e9b245791..c5b64253ecd8 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/rep.c
@@ -79,6 +79,22 @@ int rvu_event_up_notify(struct otx2_nic *pf, struct rep_event *info)
return 0;
}
+static int rvu_rep_change_mtu(struct net_device *dev, int new_mtu)
+{
+ struct rep_dev *rep = netdev_priv(dev);
+ struct otx2_nic *priv = rep->mdev;
+ struct rep_event evt = {0};
+
+ netdev_info(dev, "Changing MTU from %d to %d\n",
+ dev->mtu, new_mtu);
+ dev->mtu = new_mtu;
+
+ evt.evt_data.mtu = new_mtu;
+ evt.pcifunc = rep->pcifunc;
+ rvu_rep_notify_pfvf(priv, RVU_EVENT_MTU_CHANGE, &evt);
+ return 0;
+}
+
static void rvu_rep_get_stats(struct work_struct *work)
{
struct delayed_work *del_work = to_delayed_work(work);
@@ -225,6 +241,7 @@ static const struct net_device_ops rvu_rep_netdev_ops = {
.ndo_stop = rvu_rep_stop,
.ndo_start_xmit = rvu_rep_xmit,
.ndo_get_stats64 = rvu_rep_get_stats64,
+ .ndo_change_mtu = rvu_rep_change_mtu,
};
static int rvu_rep_napi_init(struct otx2_nic *priv, struct netlink_ext_ack *extack)
--
2.25.1
next prev parent reply other threads:[~2024-04-28 10:53 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-28 10:53 [net-next PATCH v3 0/9] Introduce RVU representors Geetha sowjanya
2024-04-28 10:53 ` [net-next PATCH v3 1/9] octeontx2-pf: Refactoring RVU driver Geetha sowjanya
2024-04-28 10:53 ` [net-next PATCH v3 2/9] octeontx2-pf: RVU representor driver Geetha sowjanya
2024-05-01 16:06 ` Simon Horman
2024-04-28 10:53 ` [net-next PATCH v3 3/9] octeontx2-pf: Create representor netdev Geetha sowjanya
2024-04-29 11:33 ` Jiri Pirko
2024-04-29 16:13 ` [EXTERNAL] " Geethasowjanya Akula
2024-04-30 6:57 ` Jiri Pirko
2024-04-30 15:17 ` Geethasowjanya Akula
2024-05-01 18:06 ` Simon Horman
2024-05-02 7:01 ` Dan Carpenter
2024-05-03 6:27 ` [EXTERNAL] " Geethasowjanya Akula
2024-05-01 18:18 ` Simon Horman
2024-04-28 10:53 ` [net-next PATCH v3 4/9] octeontx2-pf: Add basic net_device_ops Geetha sowjanya
2024-04-28 10:53 ` [net-next PATCH v3 5/9] octeontx2-af: Add packet path between representor and VF Geetha sowjanya
2024-04-28 10:53 ` [net-next PATCH v3 6/9] octeontx2-pf: Get VF stats via representor Geetha sowjanya
2024-04-28 10:53 ` [net-next PATCH v3 7/9] octeontx2-pf: Add support to sync link state between representor and VFs Geetha sowjanya
2024-04-28 10:53 ` Geetha sowjanya [this message]
2024-04-28 10:53 ` [net-next PATCH v3 9/9] octeontx2-pf: Add representors for sdp MAC Geetha sowjanya
2024-04-29 11:31 ` [net-next PATCH v3 0/9] Introduce RVU representors Jiri Pirko
2024-04-29 13:51 ` [EXTERNAL] " Geethasowjanya Akula
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