IB/core: Add Scatter FCS create flag

Raw Packet QPs that were created with Scatter FCS flag, will scatter
the FCS into the receive buffers.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 9acb849..03e39c2 100644 (file)
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1833,7 +1833,8 @@ static int create_qp(struct ib_uverbs_file *file,
        if (attr.create_flags & ~(IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK |
                                IB_QP_CREATE_CROSS_CHANNEL |
                                IB_QP_CREATE_MANAGED_SEND |
-                               IB_QP_CREATE_MANAGED_RECV)) {
+                               IB_QP_CREATE_MANAGED_RECV |
+                               IB_QP_CREATE_SCATTER_FCS)) {
                ret = -EINVAL;
                goto err_put;
        }

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 6d6172d..195b233 100644 (file)
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -982,6 +982,7 @@ enum ib_qp_create_flags {
        IB_QP_CREATE_NETIF_QP                   = 1 << 5,
        IB_QP_CREATE_SIGNATURE_EN               = 1 << 6,
        IB_QP_CREATE_USE_GFP_NOIO               = 1 << 7,
+       IB_QP_CREATE_SCATTER_FCS                = 1 << 8,
        /* reserve bits 26-31 for low level drivers' internal use */
        IB_QP_CREATE_RESERVED_START             = 1 << 26,
        IB_QP_CREATE_RESERVED_END               = 1 << 31,