From b885d5be9ca10dff6110a8738c45eb4b3fb5a40a Mon Sep 17 00:00:00 2001 From: Kaike Wan Date: Mon, 18 Mar 2019 09:58:50 -0700 Subject: IB/hfi1: Unify the software PSN check for TID RDMA READ/WRITE For expected packet receiving, the hfi1 hardware checks the KDETH PSN automatically. However, when sequence error occurs, the hfi1 driver can check the sequence instead until the hardware flow generation is reloaded. TID RDMA READ and WRITE protocols implement similar software checking mechanisms, but with different flags and different local variables to store next expected PSN. Unify the handling by using only one set of flag and local variable for both TID RDMA READ and WRITE protocols. Reviewed-by: Mike Marciniszyn Reviewed-by: Dennis Dalessandro Reviewed-by: Michael J. Ruhl Signed-off-by: Kaike Wan Signed-off-by: Dennis Dalessandro Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/hfi1/tid_rdma.h | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers/infiniband/hw/hfi1/tid_rdma.h') diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.h b/drivers/infiniband/hw/hfi1/tid_rdma.h index 53ab24ef4f02..1c536185261e 100644 --- a/drivers/infiniband/hw/hfi1/tid_rdma.h +++ b/drivers/infiniband/hw/hfi1/tid_rdma.h @@ -76,10 +76,8 @@ struct tid_rdma_qp_params { struct tid_flow_state { u32 generation; u32 psn; - u32 r_next_psn; /* next PSN to be received (in TID space) */ u8 index; u8 last_index; - u8 flags; }; enum tid_rdma_req_state { -- cgit v1.2.3-59-g8ed1b