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From: Andrew Rybchenko <arybchenko@solarflare.com>
To: <dev@dpdk.org>
Cc: Igor Romanov <igor.romanov@oktetlabs.ru>
Subject: [dpdk-dev] [PATCH 19/38] net/sfc/base: support different Rx descriptor sizes
Date: Thu, 7 Feb 2019 16:29:24 +0000	[thread overview]
Message-ID: <1549556983-10896-20-git-send-email-arybchenko@solarflare.com> (raw)
In-Reply-To: <1549556983-10896-1-git-send-email-arybchenko@solarflare.com>

From: Igor Romanov <igor.romanov@oktetlabs.ru>

For consistency with the size of Tx descriptors, the size of Rx
descriptors should be a part of NIC config, not a macro that is
common for all NIC families.

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
 drivers/net/sfc/base/ef10_impl.h    |  1 +
 drivers/net/sfc/base/ef10_rx.c      |  5 +++--
 drivers/net/sfc/base/efx.h          | 21 +++++++++++++++++++++
 drivers/net/sfc/base/efx_rx.c       | 18 ++++++++++++++++++
 drivers/net/sfc/base/hunt_nic.c     |  1 +
 drivers/net/sfc/base/medford2_nic.c |  1 +
 drivers/net/sfc/base/medford_nic.c  |  1 +
 drivers/net/sfc/base/siena_impl.h   |  1 +
 drivers/net/sfc/base/siena_nic.c    |  1 +
 9 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/drivers/net/sfc/base/ef10_impl.h b/drivers/net/sfc/base/ef10_impl.h
index 0116bc91c..11c61d9e6 100644
--- a/drivers/net/sfc/base/ef10_impl.h
+++ b/drivers/net/sfc/base/ef10_impl.h
@@ -19,6 +19,7 @@ extern "C" {
 
 #define	EF10_TXQ_MINNDESCS	512
 
+#define	EF10_RXQ_DESC_SIZE	(sizeof (efx_qword_t))
 #define	EF10_TXQ_DESC_SIZE	(sizeof (efx_qword_t))
 
 /* Maximum independent of EFX_BUG35388_WORKAROUND. */
diff --git a/drivers/net/sfc/base/ef10_rx.c b/drivers/net/sfc/base/ef10_rx.c
index f2b72571a..23b80d78f 100644
--- a/drivers/net/sfc/base/ef10_rx.c
+++ b/drivers/net/sfc/base/ef10_rx.c
@@ -31,7 +31,7 @@ efx_mcdi_init_rxq(
 	efx_mcdi_req_t req;
 	EFX_MCDI_DECLARE_BUF(payload, MC_CMD_INIT_RXQ_V3_IN_LEN,
 		MC_CMD_INIT_RXQ_V3_OUT_LEN);
-	int npages = EFX_RXQ_NBUFS(ndescs);
+	int npages = efx_rxq_nbufs(enp, ndescs);
 	int i;
 	efx_qword_t *dma_addr;
 	uint64_t addr;
@@ -41,7 +41,8 @@ efx_mcdi_init_rxq(
 
 	EFSYS_ASSERT3U(ndescs, <=, encp->enc_rxq_max_ndescs);
 
-	if ((esmp == NULL) || (EFSYS_MEM_SIZE(esmp) < EFX_RXQ_SIZE(ndescs))) {
+	if ((esmp == NULL) ||
+	    (EFSYS_MEM_SIZE(esmp) < efx_rxq_size(enp, ndescs))) {
 		rc = EINVAL;
 		goto fail1;
 	}
diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h
index 506bdb5e1..101bb4cd2 100644
--- a/drivers/net/sfc/base/efx.h
+++ b/drivers/net/sfc/base/efx.h
@@ -1284,6 +1284,7 @@ typedef struct efx_nic_cfg_s {
 	uint32_t		enc_evq_timer_quantum_ns;
 	uint32_t		enc_evq_timer_max_us;
 	uint32_t		enc_clk_mult;
+	uint32_t		enc_rx_desc_size;
 	uint32_t		enc_tx_desc_size;
 	uint32_t		enc_rx_prefix_size;
 	uint32_t		enc_rx_buf_align_start;
@@ -2478,8 +2479,28 @@ efx_pseudo_hdr_pkt_length_get(
 #define        EFX_RXQ_MAXNDESCS               4096
 #define        EFX_RXQ_MINNDESCS               512
 
+/*
+ * This macro is deprecated and will be removed.
+ * Use the function efx_rxq_size() instead.
+ */
 #define	EFX_RXQ_SIZE(_ndescs)		((_ndescs) * sizeof (efx_qword_t))
+
+/*
+ * This macro is deprecated and will be removed.
+ * Use the function efx_rxq_nbufs() instead.
+ */
 #define	EFX_RXQ_NBUFS(_ndescs)		(EFX_RXQ_SIZE(_ndescs) / EFX_BUF_SIZE)
+
+extern	__checkReturn	size_t
+efx_rxq_size(
+	__in	const efx_nic_t *enp,
+	__in	unsigned int ndescs);
+
+extern	__checkReturn	unsigned int
+efx_rxq_nbufs(
+	__in	const efx_nic_t *enp,
+	__in	unsigned int ndescs);
+
 #define	EFX_RXQ_LIMIT(_ndescs)		((_ndescs) - 16)
 
 typedef enum efx_rxq_type_e {
diff --git a/drivers/net/sfc/base/efx_rx.c b/drivers/net/sfc/base/efx_rx.c
index 8910cd5f7..c0d738128 100644
--- a/drivers/net/sfc/base/efx_rx.c
+++ b/drivers/net/sfc/base/efx_rx.c
@@ -766,6 +766,24 @@ efx_rx_qflush(
 	return (rc);
 }
 
+	__checkReturn	size_t
+efx_rxq_size(
+	__in	const efx_nic_t *enp,
+	__in	unsigned int ndescs)
+{
+	const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp);
+
+	return (ndescs * encp->enc_rx_desc_size);
+}
+
+	__checkReturn	unsigned int
+efx_rxq_nbufs(
+	__in	const efx_nic_t *enp,
+	__in	unsigned int ndescs)
+{
+	return (efx_rxq_size(enp, ndescs) / EFX_BUF_SIZE);
+}
+
 			void
 efx_rx_qenable(
 	__in		efx_rxq_t *erp)
diff --git a/drivers/net/sfc/base/hunt_nic.c b/drivers/net/sfc/base/hunt_nic.c
index b4fc3cc9e..2fb54d85a 100644
--- a/drivers/net/sfc/base/hunt_nic.c
+++ b/drivers/net/sfc/base/hunt_nic.c
@@ -186,6 +186,7 @@ hunt_board_cfg(
 	/* Checksums for TSO sends can be incorrect on Huntington. */
 	encp->enc_bug61297_workaround = B_TRUE;
 
+	encp->enc_rx_desc_size = EF10_RXQ_DESC_SIZE;
 	encp->enc_tx_desc_size = EF10_TXQ_DESC_SIZE;
 
 	/* Alignment for receive packet DMA buffers */
diff --git a/drivers/net/sfc/base/medford2_nic.c b/drivers/net/sfc/base/medford2_nic.c
index 9cfc5077c..7d0c80047 100644
--- a/drivers/net/sfc/base/medford2_nic.c
+++ b/drivers/net/sfc/base/medford2_nic.c
@@ -101,6 +101,7 @@ medford2_board_cfg(
 	encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns <<
 		    FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000;
 
+	encp->enc_rx_desc_size = EF10_RXQ_DESC_SIZE;
 	encp->enc_tx_desc_size = EF10_TXQ_DESC_SIZE;
 
 	/* Alignment for receive packet DMA buffers */
diff --git a/drivers/net/sfc/base/medford_nic.c b/drivers/net/sfc/base/medford_nic.c
index 3f2c5b877..fd711a96f 100644
--- a/drivers/net/sfc/base/medford_nic.c
+++ b/drivers/net/sfc/base/medford_nic.c
@@ -99,6 +99,7 @@ medford_board_cfg(
 	encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns <<
 		    FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000;
 
+	encp->enc_rx_desc_size = EF10_RXQ_DESC_SIZE;
 	encp->enc_tx_desc_size = EF10_TXQ_DESC_SIZE;
 
 	/* Alignment for receive packet DMA buffers */
diff --git a/drivers/net/sfc/base/siena_impl.h b/drivers/net/sfc/base/siena_impl.h
index 6f07b1ec7..068960025 100644
--- a/drivers/net/sfc/base/siena_impl.h
+++ b/drivers/net/sfc/base/siena_impl.h
@@ -34,6 +34,7 @@ extern "C" {
 #define	SIENA_RXQ_MAXNDESCS	4096
 #define	SIENA_RXQ_MINNDESCS	512
 
+#define	SIENA_RXQ_DESC_SIZE	(sizeof (efx_qword_t))
 #define	SIENA_TXQ_DESC_SIZE	(sizeof (efx_qword_t))
 
 #define	SIENA_NVRAM_CHUNK 0x80
diff --git a/drivers/net/sfc/base/siena_nic.c b/drivers/net/sfc/base/siena_nic.c
index 987a32d2f..894cf8144 100644
--- a/drivers/net/sfc/base/siena_nic.c
+++ b/drivers/net/sfc/base/siena_nic.c
@@ -104,6 +104,7 @@ siena_board_cfg(
 	encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns <<
 		FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000;
 
+	encp->enc_rx_desc_size = SIENA_RXQ_DESC_SIZE;
 	encp->enc_tx_desc_size = SIENA_TXQ_DESC_SIZE;
 
 	/* When hash header insertion is enabled, Siena inserts 16 bytes */
-- 
2.17.1

  parent reply	other threads:[~2019-02-07 16:30 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-07 16:29 [dpdk-dev] [PATCH 00/38] net/sfc: update base driver Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 01/38] net/sfc/base: correct annotations where NULL input is OK Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 02/38] net/sfc/base: update external port number calculation Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 03/38] net/sfc/base: ensure EvQ poll stops when abort is requested Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 04/38] net/sfc/base: report support for Tx checksum op descriptors Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 05/38] net/sfc/base: remove min define for number of Tx descs Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 06/38] net/sfc/base: define max desc number for every EF10 NIC Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 07/38] net/sfc/base: remove min/max defines for number of Rx descs Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 08/38] net/sfc/base: remove min/max defines for number of events Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 09/38] net/sfc: use NIC min number of Tx descs instead of define Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 10/38] net/sfc: use NIC Rx descs limits instead of defines Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 11/38] net/sfc: use NIC EVQ " Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 12/38] net/sfc/base: move Tx descs number check to generic place Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 13/38] net/sfc/base: move Rx " Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 14/38] net/sfc/base: move EVQ " Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 15/38] net/sfc/base: move a macro to Siena implementation header Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 16/38] net/sfc/base: make max number of TxQ bufs EF10-specific Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 17/38] net/sfc/base: make NIC pointer const in NIC config get Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 18/38] net/sfc/base: support different Tx descriptor sizes Andrew Rybchenko
2019-02-07 16:29 ` Andrew Rybchenko [this message]
2019-02-07 16:29 ` [dpdk-dev] [PATCH 20/38] net/sfc/base: support different event " Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 21/38] net/sfc/base: round number of queue buffers up Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 22/38] net/sfc: use NIC Tx descritor size instead of common Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 23/38] net/sfc: use NIC Rx " Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 24/38] net/sfc: use NIC event " Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 25/38] net/sfc/base: remove deprecated min/max desc defines Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 26/38] net/sfc/base: remove deprecated macros that get queue sizes Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 27/38] net/sfc/base: update auto-generated MCDI definition headers Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 28/38] net/sfc/base: add support for the Rx event mode w/o continue Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 29/38] net/sfc/base: rename header with MCDI strings Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 30/38] net/sfc/base: add Rx parse incomplete event queue statistic Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 31/38] net/sfc/base: make bundle partition type available for X2 Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 32/38] net/sfc/base: allow to specify Rx buffer size on queue setup Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 33/38] net/sfc/base: pass Rx buffer size to RxQ init if supported Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 34/38] net/sfc/base: simplify EF10 family conditional code checks Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 35/38] net/sfc/base: simplify EF10 family run-time checks Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 36/38] net/sfc/base: avoid division by 0 if no event queue timers Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 37/38] net/sfc/base: improve MCDI interface header inclusion Andrew Rybchenko
2019-02-07 16:29 ` [dpdk-dev] [PATCH 38/38] net/sfc/base: share macro to increment per-event type stats Andrew Rybchenko
2019-02-08 13:18 ` [dpdk-dev] [PATCH 00/38] net/sfc: update base driver Ferruh Yigit

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