sif: qp: Adjust EoIB qp inline size to support LSO

Handle EoIB in same way as IPoIB in create_qp. To support LSO we
need a minimum inline size, the code will adjust inline size
accordingly.

Orabug: 24672908

Signed-off-by: Hans Westgaard Ry <hans.westgaard.ry@oracle.com>
Reviewed-by: Knut Omang <knut.omang@oracle.com>

diff --git a/drivers/infiniband/hw/sif/sif_qp.c b/drivers/infiniband/hw/sif/sif_qp.c
index 0eb2e90a610da563bcfab5f8c5ee48ae7273edb9..588b448bef696dabfe173ea9f4e71eeee3c79783 100644 (file)
--- a/drivers/infiniband/hw/sif/sif_qp.c
+++ b/drivers/infiniband/hw/sif/sif_qp.c
@@ -170,6 +170,8 @@ struct sif_qp *create_qp(struct sif_dev *sdev,
        u32 flags = init_attr->create_flags;
        u32 max_sge;
        int min_tso_inline;
+       /* PSIF extensions */
+       bool flag_create_lso = !!(flags & (IB_QP_CREATE_IPOIB_UD_LSO | IB_QP_CREATE_EOIB));
 
        /* In limited mode QPs are not usable and possibly hazardous as nothing is set up
         * avoid any creation of any such:
@@ -188,12 +190,12 @@ struct sif_qp *create_qp(struct sif_dev *sdev,
        max_sge = SIF_HW_MAX_SEND_SGE;
 
        /* We need to be able to add sge for stencil with LSO */
-       max_sge -= !!(flags & IB_QP_CREATE_IPOIB_UD_LSO);
+       max_sge -= flag_create_lso;
 
        if (init_attr->cap.max_send_sge > max_sge) {
                sif_log(sdev, SIF_INFO, "illegal max send sge %d, SIF only supports %d %s",
                        init_attr->cap.max_send_sge, max_sge,
-                       flags & IB_QP_CREATE_IPOIB_UD_LSO ? "with LSO" : "");
+                       flag_create_lso ? "with LSO" : "");
                return ERR_PTR(-EINVAL);
        }
 
@@ -243,7 +245,7 @@ struct sif_qp *create_qp(struct sif_dev *sdev,
         * inline_bufer = 512 - 256 -64 = 192
         */
        min_tso_inline = 192;
-       if (flags & IB_QP_CREATE_IPOIB_UD_LSO) {
+       if (flag_create_lso) {
                if (init_attr->cap.max_inline_data < min_tso_inline) {
                        sif_log(sdev, SIF_INFO,
                                "Create LSO QP; qp_%d max_sge %d inline_size %d qp_type %d; modifying max_inline_size to %d",