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From: Andrew Rybchenko <arybchenko@solarflare.com>
To: <dev@dpdk.org>
Date: Tue, 22 Sep 2020 10:34:19 +0100
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Subject: [dpdk-dev] [PATCH v2 31/60] common/sfc_efx/base: move Rx index
	check to generic code
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Sender: "dev" <dev-bounces@dpdk.org>

Make NIC family specific functions a bit shorter and reduce
code duplication.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
---
 drivers/common/sfc_efx/base/ef10_rx.c | 45 +++++++++++----------------
 drivers/common/sfc_efx/base/efx_rx.c  | 31 +++++++++---------
 2 files changed, 35 insertions(+), 41 deletions(-)

diff --git a/drivers/common/sfc_efx/base/ef10_rx.c b/drivers/common/sfc_efx/base/ef10_rx.c
index 58152be768..48666be5b5 100644
--- a/drivers/common/sfc_efx/base/ef10_rx.c
+++ b/drivers/common/sfc_efx/base/ef10_rx.c
@@ -845,16 +845,11 @@ ef10_rx_qcreate(
 	EFX_STATIC_ASSERT(EFX_EV_RX_NLABELS == (1 << ESF_DZ_RX_QLABEL_WIDTH));
 	EFSYS_ASSERT3U(label, <, EFX_EV_RX_NLABELS);
 
-	if (index >= encp->enc_rxq_limit) {
-		rc = EINVAL;
-		goto fail1;
-	}
-
 	switch (type) {
 	case EFX_RXQ_TYPE_DEFAULT:
 		if (type_data == NULL) {
 			rc = EINVAL;
-			goto fail2;
+			goto fail1;
 		}
 		erp->er_buf_size = type_data->ertd_default.ed_buf_size;
 		ps_buf_size = 0;
@@ -863,7 +858,7 @@ ef10_rx_qcreate(
 	case EFX_RXQ_TYPE_PACKED_STREAM:
 		if (type_data == NULL) {
 			rc = EINVAL;
-			goto fail3;
+			goto fail2;
 		}
 		switch (type_data->ertd_packed_stream.eps_buf_size) {
 		case EFX_RXQ_PACKED_STREAM_BUF_SIZE_1M:
@@ -883,7 +878,7 @@ ef10_rx_qcreate(
 			break;
 		default:
 			rc = ENOTSUP;
-			goto fail4;
+			goto fail3;
 		}
 		erp->er_buf_size = type_data->ertd_packed_stream.eps_buf_size;
 		break;
@@ -892,7 +887,7 @@ ef10_rx_qcreate(
 	case EFX_RXQ_TYPE_ES_SUPER_BUFFER:
 		if (type_data == NULL) {
 			rc = EINVAL;
-			goto fail5;
+			goto fail4;
 		}
 		ps_buf_size = 0;
 		es_bufs_per_desc =
@@ -907,7 +902,7 @@ ef10_rx_qcreate(
 #endif /* EFSYS_OPT_RX_ES_SUPER_BUFFER */
 	default:
 		rc = ENOTSUP;
-		goto fail6;
+		goto fail5;
 	}
 
 #if EFSYS_OPT_RX_PACKED_STREAM
@@ -915,13 +910,13 @@ ef10_rx_qcreate(
 		/* Check if datapath firmware supports packed stream mode */
 		if (encp->enc_rx_packed_stream_supported == B_FALSE) {
 			rc = ENOTSUP;
-			goto fail7;
+			goto fail6;
 		}
 		/* Check if packed stream allows configurable buffer sizes */
 		if ((ps_buf_size != MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_1M) &&
 		    (encp->enc_rx_var_packed_stream_supported == B_FALSE)) {
 			rc = ENOTSUP;
-			goto fail8;
+			goto fail7;
 		}
 	}
 #else /* EFSYS_OPT_RX_PACKED_STREAM */
@@ -932,17 +927,17 @@ ef10_rx_qcreate(
 	if (es_bufs_per_desc > 0) {
 		if (encp->enc_rx_es_super_buffer_supported == B_FALSE) {
 			rc = ENOTSUP;
-			goto fail9;
+			goto fail8;
 		}
 		if (!EFX_IS_P2ALIGNED(uint32_t, es_max_dma_len,
 			    EFX_RX_ES_SUPER_BUFFER_BUF_ALIGNMENT)) {
 			rc = EINVAL;
-			goto fail10;
+			goto fail9;
 		}
 		if (!EFX_IS_P2ALIGNED(uint32_t, es_buf_stride,
 			    EFX_RX_ES_SUPER_BUFFER_BUF_ALIGNMENT)) {
 			rc = EINVAL;
-			goto fail11;
+			goto fail10;
 		}
 	}
 #else /* EFSYS_OPT_RX_ES_SUPER_BUFFER */
@@ -964,7 +959,7 @@ ef10_rx_qcreate(
 		    esmp, disable_scatter, want_inner_classes, erp->er_buf_size,
 		    ps_buf_size, es_bufs_per_desc, es_max_dma_len,
 		    es_buf_stride, hol_block_timeout)) != 0)
-		goto fail12;
+		goto fail11;
 
 	erp->er_eep = eep;
 	erp->er_label = label;
@@ -975,36 +970,34 @@ ef10_rx_qcreate(
 
 	return (0);
 
-fail12:
-	EFSYS_PROBE(fail12);
-#if EFSYS_OPT_RX_ES_SUPER_BUFFER
 fail11:
 	EFSYS_PROBE(fail11);
+#if EFSYS_OPT_RX_ES_SUPER_BUFFER
 fail10:
 	EFSYS_PROBE(fail10);
 fail9:
 	EFSYS_PROBE(fail9);
-#endif /* EFSYS_OPT_RX_ES_SUPER_BUFFER */
-#if EFSYS_OPT_RX_PACKED_STREAM
 fail8:
 	EFSYS_PROBE(fail8);
+#endif /* EFSYS_OPT_RX_ES_SUPER_BUFFER */
+#if EFSYS_OPT_RX_PACKED_STREAM
 fail7:
 	EFSYS_PROBE(fail7);
-#endif /* EFSYS_OPT_RX_PACKED_STREAM */
 fail6:
 	EFSYS_PROBE(fail6);
-#if EFSYS_OPT_RX_ES_SUPER_BUFFER
+#endif /* EFSYS_OPT_RX_PACKED_STREAM */
 fail5:
 	EFSYS_PROBE(fail5);
-#endif /* EFSYS_OPT_RX_ES_SUPER_BUFFER */
-#if EFSYS_OPT_RX_PACKED_STREAM
+#if EFSYS_OPT_RX_ES_SUPER_BUFFER
 fail4:
 	EFSYS_PROBE(fail4);
+#endif /* EFSYS_OPT_RX_ES_SUPER_BUFFER */
+#if EFSYS_OPT_RX_PACKED_STREAM
 fail3:
 	EFSYS_PROBE(fail3);
-#endif /* EFSYS_OPT_RX_PACKED_STREAM */
 fail2:
 	EFSYS_PROBE(fail2);
+#endif /* EFSYS_OPT_RX_PACKED_STREAM */
 fail1:
 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
 
diff --git a/drivers/common/sfc_efx/base/efx_rx.c b/drivers/common/sfc_efx/base/efx_rx.c
index d208c2292e..bacab5ec67 100644
--- a/drivers/common/sfc_efx/base/efx_rx.c
+++ b/drivers/common/sfc_efx/base/efx_rx.c
@@ -824,11 +824,16 @@ efx_rx_qcreate_internal(
 	EFSYS_ASSERT(ISP2(encp->enc_rxq_max_ndescs));
 	EFSYS_ASSERT(ISP2(encp->enc_rxq_min_ndescs));
 
+	if (index >= encp->enc_rxq_limit) {
+		rc = EINVAL;
+		goto fail1;
+	}
+
 	if (!ISP2(ndescs) ||
 	    ndescs < encp->enc_rxq_min_ndescs ||
 	    ndescs > encp->enc_rxq_max_ndescs) {
 		rc = EINVAL;
-		goto fail1;
+		goto fail2;
 	}
 
 	/* Allocate an RXQ object */
@@ -836,7 +841,7 @@ efx_rx_qcreate_internal(
 
 	if (erp == NULL) {
 		rc = ENOMEM;
-		goto fail2;
+		goto fail3;
 	}
 
 	erp->er_magic = EFX_RXQ_MAGIC;
@@ -847,17 +852,19 @@ efx_rx_qcreate_internal(
 
 	if ((rc = erxop->erxo_qcreate(enp, index, label, type, type_data, esmp,
 	    ndescs, id, flags, eep, erp)) != 0)
-		goto fail3;
+		goto fail4;
 
 	enp->en_rx_qcount++;
 	*erpp = erp;
 
 	return (0);
 
-fail3:
-	EFSYS_PROBE(fail3);
+fail4:
+	EFSYS_PROBE(fail4);
 
 	EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp);
+fail3:
+	EFSYS_PROBE(fail3);
 fail2:
 	EFSYS_PROBE(fail2);
 fail1:
@@ -1635,10 +1642,6 @@ siena_rx_qcreate(
 	    (1 << FRF_AZ_RX_DESCQ_LABEL_WIDTH));
 	EFSYS_ASSERT3U(label, <, EFX_EV_RX_NLABELS);
 
-	if (index >= encp->enc_rxq_limit) {
-		rc = EINVAL;
-		goto fail1;
-	}
 	for (size = 0;
 	    (1U << size) <= encp->enc_rxq_max_ndescs / encp->enc_rxq_min_ndescs;
 	    size++)
@@ -1646,7 +1649,7 @@ siena_rx_qcreate(
 			break;
 	if (id + (1 << size) >= encp->enc_buftbl_limit) {
 		rc = EINVAL;
-		goto fail2;
+		goto fail1;
 	}
 
 	switch (type) {
@@ -1656,7 +1659,7 @@ siena_rx_qcreate(
 
 	default:
 		rc = EINVAL;
-		goto fail3;
+		goto fail2;
 	}
 
 	if (flags & EFX_RXQ_FLAG_SCATTER) {
@@ -1664,7 +1667,7 @@ siena_rx_qcreate(
 		jumbo = B_TRUE;
 #else
 		rc = EINVAL;
-		goto fail4;
+		goto fail3;
 #endif	/* EFSYS_OPT_RX_SCATTER */
 	}
 
@@ -1684,11 +1687,9 @@ siena_rx_qcreate(
 	return (0);
 
 #if !EFSYS_OPT_RX_SCATTER
-fail4:
-	EFSYS_PROBE(fail4);
-#endif
 fail3:
 	EFSYS_PROBE(fail3);
+#endif
 fail2:
 	EFSYS_PROBE(fail2);
 fail1:
-- 
2.17.1