diff options
| author | Naga Irrinki <naga.irrinki@avagotech.com> | 2015-05-19 11:32:39 +0530 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-05-18 10:25:24 -0400 |
| commit | 72d8a013d75fc845a34451bdce3d3a3dd97488f1 (patch) | |
| tree | 623ad182c82fc9cab8678bdc5beb702fe7357a84 | |
| parent | d27b2f15eb535b4f02a75070108c08cefb540257 (diff) | |
RDMA/ocrdma: Fail connection for MTU lesser than 512
HW currently restricts the IB MTU range between 512 and 4096.
Fail connection for MTUs lesser than 512.
Signed-off-by: Naga Irrinki <naga.irrinki@avagotech.com>
Signed-off-by: Selvin Xavier <selvin.xavier@avagotech.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index ac7347ad90be..47615ff33bc6 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -2534,8 +2534,10 @@ static int ocrdma_set_qp_params(struct ocrdma_qp *qp, cmd->flags |= OCRDMA_QP_PARA_DST_QPN_VALID; } if (attr_mask & IB_QP_PATH_MTU) { - if (attrs->path_mtu < IB_MTU_256 || + if (attrs->path_mtu < IB_MTU_512 || attrs->path_mtu > IB_MTU_4096) { + pr_err("ocrdma%d: IB MTU %d is not supported\n", + dev->id, ib_mtu_enum_to_int(attrs->path_mtu)); status = -EINVAL; goto pmtu_err; } |