From: Don Hiatt <don.hiatt@xxxxxxxxx> 16B packets require that the path bits are masked with the LMC. This mask is done correctly in all 16B header creation but was left out for the RC Acknowledge. Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx> Signed-off-by: Don Hiatt <don.hiatt@xxxxxxxxx> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxx> --- drivers/infiniband/hw/hfi1/rc.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index fd01a76..e6fa936 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -843,11 +843,11 @@ static inline void hfi1_make_rc_ack_16B(struct rvt_qp *qp, /* Convert dwords to flits */ len = (*hwords + *nwords) >> 1; - hfi1_make_16b_hdr(hdr, - ppd->lid | rdma_ah_get_path_bits(&qp->remote_ah_attr), + hfi1_make_16b_hdr(hdr, ppd->lid | + (rdma_ah_get_path_bits(&qp->remote_ah_attr) & + ((1 << ppd->lmc) - 1)), opa_get_lid(rdma_ah_get_dlid(&qp->remote_ah_attr), - 16B), - len, pkey, becn, 0, l4, sc5); + 16B), len, pkey, becn, 0, l4, sc5); bth0 = pkey | (OP(ACKNOWLEDGE) << 24); bth0 |= extra_bytes << 20; -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
