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qede: Notify qedr when mtu has changed

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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: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Michal Kalderon 2020-09-02 19:57:38 +03:00 committed by Jason Gunthorpe
parent 8a5a10a1a7
commit 97fb3e3347
3 changed files with 23 additions and 2 deletions
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4
drivers/net/ethernet/qlogic/qede/qede_ethtool.c
View File

@ -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;

17
drivers/net/ethernet/qlogic/qede/qede_rdma.c
View File

@ -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);
}

4
include/linux/qed/qede_rdma.h
View File

@ -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,