IB/mthca: Add IPoIB checksum offload support

[pandora-kernel.git] / drivers / infiniband / hw / mthca / mthca_cmd.c

diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index 667c35d..54d230e 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -1339,6 +1339,10 @@ int mthca_INIT_HCA(struct mthca_dev *dev,
        /* Check port for UD address vector: */
        *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) |= cpu_to_be32(1);
 
+       /* Enable IPoIB checksumming if we can: */
+       if (dev->device_cap_flags & IB_DEVICE_UD_IP_CSUM)
+               *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) |= cpu_to_be32(7 << 3);
+
        /* We leave wqe_quota, responder_exu, etc as 0 (default) */
 
        /* QPC/EEC/CQC/EQC/RDB attributes */