From cc293f5420e5726bdf2bb0fcb165c73e007e426e Mon Sep 17 00:00:00 2001 From: Michal Kalderon Date: Wed, 2 Sep 2020 19:57:39 +0300 Subject: RDMA/qedr: Fix iWARP active mtu display Currently iWARP does not support mtu-change. Notify user when MTU changes that reload of qedr is required for mtu to change. Display the correct active mtu. Fixes: f5b1b1775be6 ("RDMA/qedr: Add iWARP support in existing verbs") Link: https://lore.kernel.org/r/20200902165741.8355-7-michal.kalderon@marvell.com Signed-off-by: Michal Kalderon Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/qedr/main.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/infiniband/hw/qedr/main.c') diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c index 8e1365951fb6..1f32e8b8cc11 100644 --- a/drivers/infiniband/hw/qedr/main.c +++ b/drivers/infiniband/hw/qedr/main.c @@ -1026,6 +1026,13 @@ static void qedr_notify(struct qedr_dev *dev, enum qede_rdma_event event) case QEDE_CHANGE_ADDR: qedr_mac_address_change(dev); break; + case QEDE_CHANGE_MTU: + if (rdma_protocol_iwarp(&dev->ibdev, 1)) + if (dev->ndev->mtu != dev->iwarp_max_mtu) + DP_NOTICE(dev, + "Mtu was changed from %d to %d. This will not take affect for iWARP until qedr is reloaded\n", + dev->iwarp_max_mtu, dev->ndev->mtu); + break; default: pr_err("Event not supported\n"); } -- cgit v1.2.3-70-g09d2