diff options
| author |   Michal Kalderon <michal.kalderon@marvell.com> | 2020-09-02 19:57:39 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2020-09-11 10:24:55 -0300 |
| commit | cc293f5420e5726bdf2bb0fcb165c73e007e426e (patch) | |
| tree | 81f9253ba6c5522427fe6e044d99fcd3aed50b13 /drivers/infiniband/hw/qedr | |
| parent | qede: Notify qedr when mtu has changed (diff) | |
| download | linux-dev-cc293f5420e5726bdf2bb0fcb165c73e007e426e.tar.xz linux-dev-cc293f5420e5726bdf2bb0fcb165c73e007e426e.zip | |
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 <michal.kalderon@marvell.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/qedr')
| -rw-r--r-- | drivers/infiniband/hw/qedr/main.c | 7 | ||||
| -rw-r--r-- | drivers/infiniband/hw/qedr/verbs.c | 3 |
2 files changed, 9 insertions, 1 deletions
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"); } diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 1da0131d5042..9edc42281824 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -231,15 +231,16 @@ int qedr_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *attr) attr->phys_state = IB_PORT_PHYS_STATE_DISABLED; } attr->max_mtu = IB_MTU_4096; - attr->active_mtu = iboe_get_mtu(dev->ndev->mtu); attr->lid = 0; attr->lmc = 0; attr->sm_lid = 0; attr->sm_sl = 0; attr->ip_gids = true; if (rdma_protocol_iwarp(&dev->ibdev, 1)) { + attr->active_mtu = iboe_get_mtu(dev->iwarp_max_mtu); attr->gid_tbl_len = 1; } else { + attr->active_mtu = iboe_get_mtu(dev->ndev->mtu); attr->gid_tbl_len = QEDR_MAX_SGID; attr->pkey_tbl_len = QEDR_ROCE_PKEY_TABLE_LEN; } |