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    Subject[PATCH][8/18] InfiniBand/core: set byte_cnt correctly in MAD completion
    Integrate Michael Tsirkin's patch to local_completion to set the WC
    byte_cnt according to the IBA 1.1 spec (include the GRH size
    regardless of whether it is present or not).

    Signed-off-by: Hal Rosenstock <halr@voltaire.com>
    Signed-off-by: Roland Dreier <roland@topspin.com>

    --- linux/drivers/infiniband/core/mad.c (revision 1458)
    +++ linux/drivers/infiniband/core/mad.c (revision 1459)
    @@ -2018,9 +2018,10 @@
    wc.status = IB_WC_SUCCESS;
    wc.opcode = IB_WC_RECV;
    wc.vendor_err = 0;
    - wc.byte_len = sizeof(struct ib_mad);
    + wc.byte_len = sizeof(struct ib_mad) +
    + sizeof(struct ib_grh);
    wc.src_qp = IB_QP0;
    - wc.wc_flags = 0;
    + wc.wc_flags = 0; /* No GRH */
    wc.pkey_index = 0;
    wc.slid = IB_LID_PERMISSIVE;
    wc.sl = 0;
    -
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