diff options
Diffstat (limited to 'drivers/infiniband/core/user_mad.c')
| -rw-r--r-- | drivers/infiniband/core/user_mad.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 38809962c105..4b64dd02e090 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -229,7 +229,16 @@ static void recv_handler(struct ib_mad_agent *agent, packet->mad.hdr.status = 0; packet->mad.hdr.length = hdr_size(file) + mad_recv_wc->mad_len; packet->mad.hdr.qpn = cpu_to_be32(mad_recv_wc->wc->src_qp); - packet->mad.hdr.lid = ib_lid_be16(mad_recv_wc->wc->slid); + /* + * On OPA devices it is okay to lose the upper 16 bits of LID as this + * information is obtained elsewhere. Mask off the upper 16 bits. + */ + if (agent->device->port_immutable[agent->port_num].core_cap_flags & + RDMA_CORE_PORT_INTEL_OPA) + packet->mad.hdr.lid = ib_lid_be16(0xFFFF & + mad_recv_wc->wc->slid); + else + packet->mad.hdr.lid = ib_lid_be16(mad_recv_wc->wc->slid); packet->mad.hdr.sl = mad_recv_wc->wc->sl; packet->mad.hdr.path_bits = mad_recv_wc->wc->dlid_path_bits; packet->mad.hdr.pkey_index = mad_recv_wc->wc->pkey_index; |