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From: Guoqing Jiang <guoqing.jiang@linux.dev>
To: bmt@zurich.ibm.com, jgg@ziepe.ca, leon@kernel.org
Cc: linux-rdma@vger.kernel.org
Subject: [PATCH V2 08/20] RDMA/siw: Factor out siw_generic_rx helper
Date: Fri, 13 Oct 2023 10:00:41 +0800	[thread overview]
Message-ID: <20231013020053.2120-9-guoqing.jiang@linux.dev> (raw)
In-Reply-To: <20231013020053.2120-1-guoqing.jiang@linux.dev>

Remove the redundant code given they share the same logic.

Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev>
---
 drivers/infiniband/sw/siw/siw_qp_rx.c | 53 ++++++++++-----------------
 1 file changed, 20 insertions(+), 33 deletions(-)

diff --git a/drivers/infiniband/sw/siw/siw_qp_rx.c b/drivers/infiniband/sw/siw/siw_qp_rx.c
index aa7b680452fb..4931c0c57df0 100644
--- a/drivers/infiniband/sw/siw/siw_qp_rx.c
+++ b/drivers/infiniband/sw/siw/siw_qp_rx.c
@@ -405,6 +405,20 @@ static struct siw_wqe *siw_rqe_get(struct siw_qp *qp)
 	return wqe;
 }
 
+static int siw_generic_rx(struct siw_mem *mem_p, struct siw_rx_stream *srx,
+			  unsigned int *pbl_idx, u64 addr, int bytes)
+{
+	int rv;
+
+	if (mem_p->mem_obj == NULL)
+		rv = siw_rx_kva(srx, ib_virt_dma_to_ptr(addr), bytes);
+	else if (!mem_p->is_pbl)
+		rv = siw_rx_umem(srx, mem_p->umem, addr, bytes);
+	else
+		rv = siw_rx_pbl(srx, pbl_idx, mem_p, addr, bytes);
+	return rv;
+}
+
 /*
  * siw_proc_send:
  *
@@ -485,17 +499,8 @@ int siw_proc_send(struct siw_qp *qp)
 			break;
 		}
 		mem_p = *mem;
-		if (mem_p->mem_obj == NULL)
-			rv = siw_rx_kva(srx,
-				ib_virt_dma_to_ptr(sge->laddr + frx->sge_off),
-				sge_bytes);
-		else if (!mem_p->is_pbl)
-			rv = siw_rx_umem(srx, mem_p->umem,
-					 sge->laddr + frx->sge_off, sge_bytes);
-		else
-			rv = siw_rx_pbl(srx, &frx->pbl_idx, mem_p,
-					sge->laddr + frx->sge_off, sge_bytes);
-
+		rv = siw_generic_rx(mem_p, srx, &frx->pbl_idx,
+				    sge->laddr + frx->sge_off, sge_bytes);
 		if (unlikely(rv != sge_bytes)) {
 			wqe->processed += rcvd_bytes;
 
@@ -598,17 +603,8 @@ int siw_proc_write(struct siw_qp *qp)
 		return -EINVAL;
 	}
 
-	if (mem->mem_obj == NULL)
-		rv = siw_rx_kva(srx,
-			(void *)(uintptr_t)(srx->ddp_to + srx->fpdu_part_rcvd),
-			bytes);
-	else if (!mem->is_pbl)
-		rv = siw_rx_umem(srx, mem->umem,
-				 srx->ddp_to + srx->fpdu_part_rcvd, bytes);
-	else
-		rv = siw_rx_pbl(srx, &frx->pbl_idx, mem,
-				srx->ddp_to + srx->fpdu_part_rcvd, bytes);
-
+	rv = siw_generic_rx(mem, srx, &frx->pbl_idx,
+			    srx->ddp_to + srx->fpdu_part_rcvd, bytes);
 	if (unlikely(rv != bytes)) {
 		siw_init_terminate(qp, TERM_ERROR_LAYER_DDP,
 				   DDP_ETYPE_CATASTROPHIC,
@@ -849,17 +845,8 @@ int siw_proc_rresp(struct siw_qp *qp)
 	mem_p = *mem;
 
 	bytes = min(srx->fpdu_part_rem, srx->skb_new);
-
-	if (mem_p->mem_obj == NULL)
-		rv = siw_rx_kva(srx,
-			ib_virt_dma_to_ptr(sge->laddr + wqe->processed),
-			bytes);
-	else if (!mem_p->is_pbl)
-		rv = siw_rx_umem(srx, mem_p->umem, sge->laddr + wqe->processed,
-				 bytes);
-	else
-		rv = siw_rx_pbl(srx, &frx->pbl_idx, mem_p,
-				sge->laddr + wqe->processed, bytes);
+	rv = siw_generic_rx(mem_p, srx, &frx->pbl_idx,
+			    sge->laddr + wqe->processed, bytes);
 	if (rv != bytes) {
 		wqe->wc_status = SIW_WC_GENERAL_ERR;
 		rv = -EINVAL;
-- 
2.35.3


  parent reply	other threads:[~2023-10-13  2:01 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-13  2:00 [PATCH V2 00/20] Cleanup for siw Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 01/20] RDMA/siw: Introduce siw_get_page Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 02/20] RDMA/siw: Introduce siw_srx_update_skb Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 03/20] RDMA/siw: Use iov.iov_len in kernel_sendmsg Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 04/20] RDMA/siw: Remove goto lable in siw_mmap Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 05/20] RDMA/siw: Remove rcu from siw_qp Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 06/20] RDMA/siw: No need to check term_info.valid before call siw_send_terminate Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 07/20] RDMA/siw: Also goto out_sem_up if pin_user_pages returns 0 Guoqing Jiang
2023-10-13  2:00 ` Guoqing Jiang [this message]
2023-10-13  2:00 ` [PATCH V2 09/20] RDMA/siw: Introduce SIW_STAG_MAX_INDEX Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 10/20] RDMA/siw: Add one parameter to siw_destroy_cpulist Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 11/20] RDMA/siw: Introduce siw_cep_set_free_and_put Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 12/20] RDMA/siw: Introduce siw_free_cm_id Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 13/20] RDMA/siw: Simplify siw_qp_id2obj Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 14/20] RDMA/siw: Simplify siw_mem_id2obj Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 15/20] RDMA/siw: Cleanup siw_accept Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 16/20] RDMA/siw: Remove siw_sk_assign_cm_upcalls Guoqing Jiang
2023-10-13  2:00 ` [PATCH V2 17/20] RDMA/siw: Fix typo Guoqing Jiang
2023-10-25 13:22   ` Bernard Metzler
2023-10-13  2:00 ` [PATCH V2 18/20] RDMA/siw: Only check attrs->cap.max_send_wr in siw_create_qp Guoqing Jiang
2023-10-25 13:27   ` Bernard Metzler
2023-10-26  6:55     ` Guoqing Jiang
2023-10-26 14:00       ` Bernard Metzler
2023-10-13  2:00 ` [PATCH V2 19/20] RDMA/siw: Introduce siw_destroy_cep_sock Guoqing Jiang
2023-10-25 13:28   ` Bernard Metzler
2023-10-13  2:00 ` [PATCH V2 20/20] RDMA/siw: Update comments for siw_qp_sq_process Guoqing Jiang
2023-10-25 13:29   ` Bernard Metzler
2023-10-24 14:09 ` [PATCH V2 00/20] Cleanup for siw Leon Romanovsky
2023-10-24 17:22   ` Bernard Metzler
2023-10-24 18:19     ` Leon Romanovsky
2023-10-25 13:37 ` Bernard Metzler
2023-10-26  7:02   ` Guoqing Jiang

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