Commit 97fb3e33 authored by Michal Kalderon's avatar Michal Kalderon Committed by Jason Gunthorpe
Browse files

qede: Notify qedr when mtu has changed 

MTU change on ethtool is currently not supported for iWARP.  Notify qedr
driver so that appropriate logging can take place.

Link: https://lore.kernel.org/r/20200902165741.8355-6-michal.kalderon@marvell.com


Signed-off-by: default avatarMichal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 8a5a10a1

drivers/net/ethernet/qlogic/qede/qede_ethtool.c

+3 −1
Original line number Diff line number Diff line
@@ -1026,7 +1026,9 @@ int qede_change_mtu(struct net_device *ndev, int new_mtu) 
	args.u.mtu = new_mtu;

	args.func = &qede_update_mtu;

	qede_reload(edev, &args, false);



#if IS_ENABLED(CONFIG_QED_RDMA)

	qede_rdma_event_change_mtu(edev);

#endif

	edev->ops->common->update_mtu(edev->cdev, new_mtu);



	return 0;

drivers/net/ethernet/qlogic/qede/qede_rdma.c

+17 −0
Original line number Diff line number Diff line
@@ -234,6 +234,15 @@ static void qede_rdma_changeaddr(struct qede_dev *edev) 
		qedr_drv->notify(edev->rdma_info.qedr_dev, QEDE_CHANGE_ADDR);

}



static void qede_rdma_change_mtu(struct qede_dev *edev)

{

	if (qede_rdma_supported(edev)) {

		if (qedr_drv && edev->rdma_info.qedr_dev && qedr_drv->notify)

			qedr_drv->notify(edev->rdma_info.qedr_dev,

					 QEDE_CHANGE_MTU);

	}

}



static struct qede_rdma_event_work *

qede_rdma_get_free_event_node(struct qede_dev *edev)

{
@@ -287,6 +296,9 @@ static void qede_rdma_handle_event(struct work_struct *work) 
	case QEDE_CHANGE_ADDR:

		qede_rdma_changeaddr(edev);

		break;

	case QEDE_CHANGE_MTU:

		qede_rdma_change_mtu(edev);

		break;

	default:

		DP_NOTICE(edev, "Invalid rdma event %d", event);

	}
@@ -338,3 +350,8 @@ void qede_rdma_event_changeaddr(struct qede_dev *edev) 
{

	qede_rdma_add_event(edev, QEDE_CHANGE_ADDR);

}



void qede_rdma_event_change_mtu(struct qede_dev *edev)

{

	qede_rdma_add_event(edev, QEDE_CHANGE_MTU);

}

include/linux/qed/qede_rdma.h

+3 −1
Original line number Diff line number Diff line
@@ -20,7 +20,8 @@ enum qede_rdma_event { 
	QEDE_UP,

	QEDE_DOWN,

	QEDE_CHANGE_ADDR,

	QEDE_CLOSE

	QEDE_CLOSE,

	QEDE_CHANGE_MTU,

};



struct qede_rdma_event_work {
@@ -54,6 +55,7 @@ void qede_rdma_dev_event_open(struct qede_dev *dev); 
void qede_rdma_dev_event_close(struct qede_dev *dev);

void qede_rdma_dev_remove(struct qede_dev *dev, bool recovery);

void qede_rdma_event_changeaddr(struct qede_dev *edr);

void qede_rdma_event_change_mtu(struct qede_dev *edev);



#else

static inline int qede_rdma_dev_add(struct qede_dev *dev,