diff options
| author | Devesh Sharma <devesh.sharma@broadcom.com> | 2018-10-08 13:28:02 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-10-16 09:03:51 +0300 |
| commit | 854a202001171594df8988b335410adebac641d5 (patch) | |
| tree | cd7afc1004972ee6c10578ec7c27f8cfc1fda0c8 /drivers/infiniband/hw/bnxt_re | |
| parent | 4c01f2e3a906a0d2d798be5751c331cf501bc129 (diff) | |
| download | linux-854a202001171594df8988b335410adebac641d5.tar.xz | |
RDMA/bnxt_re: Limit max_pkey to 16 bit value
Some FW versios return pkey values more than 0xFFFF. pkey_tbl_len of
ib_port_attr is 16bit value. So restricting max_pkeys to 0xFFFF.
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_sp.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index 14e2b3c13e5c..5216b5f844cc 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -137,8 +137,16 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, attr->max_srq = le16_to_cpu(sb->max_srq); attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1; attr->max_srq_sges = sb->max_srq_sge; - /* Bono only reports 1 PKEY for now, but it can support > 1 */ attr->max_pkey = le32_to_cpu(sb->max_pkeys); + /* + * Some versions of FW reports more than 0xFFFF. + * Restrict it for now to 0xFFFF to avoid + * reporting trucated value + */ + if (attr->max_pkey > 0xFFFF) { + /* ib_port_attr::pkey_tbl_len is u16 */ + attr->max_pkey = 0xFFFF; + } attr->max_inline_data = le32_to_cpu(sb->max_inline_data); attr->l2_db_size = (sb->l2_db_space_size + 1) * |