From 97fb3e33474897c35b7cfe6ff0e16a3e172d9249 Mon Sep 17 00:00:00 2001 From: Michal Kalderon Date: Wed, 2 Sep 2020 19:57:38 +0300 Subject: [PATCH] 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: Michal Kalderon Signed-off-by: Jason Gunthorpe --- drivers/net/ethernet/qlogic/qede/qede_ethtool.c | 4 +++- drivers/net/ethernet/qlogic/qede/qede_rdma.c | 17 +++++++++++++++++ include/linux/qed/qede_rdma.h | 4 +++- 3 files changed, 23 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c index b9aa638..bedbb85 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c +++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c @@ -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; diff --git a/drivers/net/ethernet/qlogic/qede/qede_rdma.c b/drivers/net/ethernet/qlogic/qede/qede_rdma.c index 769ec2f..2f65980 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_rdma.c +++ b/drivers/net/ethernet/qlogic/qede/qede_rdma.c @@ -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); +} diff --git a/include/linux/qed/qede_rdma.h b/include/linux/qed/qede_rdma.h index 072da2f..0d5564a 100644 --- a/include/linux/qed/qede_rdma.h +++ b/include/linux/qed/qede_rdma.h @@ -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, -- 2.7.4