From 273d4428f8c4cc94c9598f8bcc006ec2e8c654ea Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Sun, 11 Sep 2016 05:04:00 -0300 Subject: Linux-libre 4.7.2-gnu --- drivers/infiniband/core/verbs.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/infiniband/core/verbs.c') diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 6298f54b4..e39a0b597 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -814,6 +814,15 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd, } } + /* + * Note: all hw drivers guarantee that max_send_sge is lower than + * the device RDMA WRITE SGE limit but not all hw drivers ensure that + * max_send_sge <= max_sge_rd. + */ + qp->max_write_sge = qp_init_attr->cap.max_send_sge; + qp->max_read_sge = min_t(u32, qp_init_attr->cap.max_send_sge, + device->attrs.max_sge_rd); + return qp; } EXPORT_SYMBOL(ib_create_qp); -- cgit v1.2.3