From: Andrew Rybchenko <arybchenko@solarflare.com>
To: <dev@dpdk.org>
Cc: Igor Romanov <igor.romanov@oktetlabs.ru>
Subject: [dpdk-dev] [PATCH 18/38] net/sfc/base: support different Tx descriptor sizes
Date: Thu, 7 Feb 2019 16:29:23 +0000 [thread overview]
Message-ID: <1549556983-10896-19-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>
Size of Tx descriptor is different on Riverhead. So, the size
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 | 2 ++
drivers/net/sfc/base/ef10_tx.c | 7 ++++---
drivers/net/sfc/base/efx.h | 21 +++++++++++++++++++++
drivers/net/sfc/base/efx_tx.c | 18 ++++++++++++++++++
drivers/net/sfc/base/hunt_nic.c | 2 ++
drivers/net/sfc/base/medford2_nic.c | 2 ++
drivers/net/sfc/base/medford_nic.c | 2 ++
drivers/net/sfc/base/siena_impl.h | 2 ++
drivers/net/sfc/base/siena_nic.c | 2 ++
9 files changed, 55 insertions(+), 3 deletions(-)
diff --git a/drivers/net/sfc/base/ef10_impl.h b/drivers/net/sfc/base/ef10_impl.h
index 12747f43c..0116bc91c 100644
--- a/drivers/net/sfc/base/ef10_impl.h
+++ b/drivers/net/sfc/base/ef10_impl.h
@@ -19,6 +19,8 @@ extern "C" {
#define EF10_TXQ_MINNDESCS 512
+#define EF10_TXQ_DESC_SIZE (sizeof (efx_qword_t))
+
/* Maximum independent of EFX_BUG35388_WORKAROUND. */
#define EF10_TXQ_MAXNBUFS 8
diff --git a/drivers/net/sfc/base/ef10_tx.c b/drivers/net/sfc/base/ef10_tx.c
index aacf4310a..82be77f13 100644
--- a/drivers/net/sfc/base/ef10_tx.c
+++ b/drivers/net/sfc/base/ef10_tx.c
@@ -41,14 +41,15 @@ efx_mcdi_init_txq(
efx_rc_t rc;
EFSYS_ASSERT(EF10_TXQ_MAXNBUFS >=
- EFX_TXQ_NBUFS(enp->en_nic_cfg.enc_txq_max_ndescs));
+ efx_txq_nbufs(enp, enp->en_nic_cfg.enc_txq_max_ndescs));
- if ((esmp == NULL) || (EFSYS_MEM_SIZE(esmp) < EFX_TXQ_SIZE(ndescs))) {
+ if ((esmp == NULL) ||
+ (EFSYS_MEM_SIZE(esmp) < efx_txq_size(enp, ndescs))) {
rc = EINVAL;
goto fail1;
}
- npages = EFX_TXQ_NBUFS(ndescs);
+ npages = efx_txq_nbufs(enp, ndescs);
if (MC_CMD_INIT_TXQ_IN_LEN(npages) > sizeof (payload)) {
rc = EINVAL;
goto fail2;
diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h
index 8aa03b538..506bdb5e1 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_tx_desc_size;
uint32_t enc_rx_prefix_size;
uint32_t enc_rx_buf_align_start;
uint32_t enc_rx_buf_align_end;
@@ -2645,8 +2646,28 @@ efx_tx_fini(
*/
#define EFX_TXQ_MINNDESCS 512
+/*
+ * This macro is deprecated and will be removed.
+ * Use the function efx_txq_size() instead.
+ */
#define EFX_TXQ_SIZE(_ndescs) ((_ndescs) * sizeof (efx_qword_t))
+
+/*
+ * This macro is deprecated and will be removed.
+ * Use the function efx_txq_nbufs() instead.
+ */
#define EFX_TXQ_NBUFS(_ndescs) (EFX_TXQ_SIZE(_ndescs) / EFX_BUF_SIZE)
+
+extern __checkReturn size_t
+efx_txq_size(
+ __in const efx_nic_t *enp,
+ __in unsigned int ndescs);
+
+extern __checkReturn unsigned int
+efx_txq_nbufs(
+ __in const efx_nic_t *enp,
+ __in unsigned int ndescs);
+
#define EFX_TXQ_LIMIT(_ndescs) ((_ndescs) - 16)
#define EFX_TXQ_CKSUM_IPV4 0x0001
diff --git a/drivers/net/sfc/base/efx_tx.c b/drivers/net/sfc/base/efx_tx.c
index b777a85c5..bbe2bd1b7 100644
--- a/drivers/net/sfc/base/efx_tx.c
+++ b/drivers/net/sfc/base/efx_tx.c
@@ -297,6 +297,24 @@ efx_tx_fini(
enp->en_mod_flags &= ~EFX_MOD_TX;
}
+ __checkReturn size_t
+efx_txq_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_tx_desc_size);
+}
+
+ __checkReturn unsigned int
+efx_txq_nbufs(
+ __in const efx_nic_t *enp,
+ __in unsigned int ndescs)
+{
+ return (efx_txq_size(enp, ndescs) / EFX_BUF_SIZE);
+}
+
__checkReturn efx_rc_t
efx_tx_qcreate(
__in efx_nic_t *enp,
diff --git a/drivers/net/sfc/base/hunt_nic.c b/drivers/net/sfc/base/hunt_nic.c
index 755a377f0..b4fc3cc9e 100644
--- a/drivers/net/sfc/base/hunt_nic.c
+++ b/drivers/net/sfc/base/hunt_nic.c
@@ -186,6 +186,8 @@ hunt_board_cfg(
/* Checksums for TSO sends can be incorrect on Huntington. */
encp->enc_bug61297_workaround = B_TRUE;
+ encp->enc_tx_desc_size = EF10_TXQ_DESC_SIZE;
+
/* Alignment for receive packet DMA buffers */
encp->enc_rx_buf_align_start = 1;
encp->enc_rx_buf_align_end = 64; /* RX DMA end padding */
diff --git a/drivers/net/sfc/base/medford2_nic.c b/drivers/net/sfc/base/medford2_nic.c
index 3274744d9..9cfc5077c 100644
--- a/drivers/net/sfc/base/medford2_nic.c
+++ b/drivers/net/sfc/base/medford2_nic.c
@@ -101,6 +101,8 @@ medford2_board_cfg(
encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns <<
FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000;
+ encp->enc_tx_desc_size = EF10_TXQ_DESC_SIZE;
+
/* Alignment for receive packet DMA buffers */
encp->enc_rx_buf_align_start = 1;
diff --git a/drivers/net/sfc/base/medford_nic.c b/drivers/net/sfc/base/medford_nic.c
index cb107fe75..3f2c5b877 100644
--- a/drivers/net/sfc/base/medford_nic.c
+++ b/drivers/net/sfc/base/medford_nic.c
@@ -99,6 +99,8 @@ medford_board_cfg(
encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns <<
FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000;
+ encp->enc_tx_desc_size = EF10_TXQ_DESC_SIZE;
+
/* Alignment for receive packet DMA buffers */
encp->enc_rx_buf_align_start = 1;
diff --git a/drivers/net/sfc/base/siena_impl.h b/drivers/net/sfc/base/siena_impl.h
index caab29af0..6f07b1ec7 100644
--- a/drivers/net/sfc/base/siena_impl.h
+++ b/drivers/net/sfc/base/siena_impl.h
@@ -34,6 +34,8 @@ extern "C" {
#define SIENA_RXQ_MAXNDESCS 4096
#define SIENA_RXQ_MINNDESCS 512
+#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 4962a65c5..987a32d2f 100644
--- a/drivers/net/sfc/base/siena_nic.c
+++ b/drivers/net/sfc/base/siena_nic.c
@@ -104,6 +104,8 @@ siena_board_cfg(
encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns <<
FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000;
+ encp->enc_tx_desc_size = SIENA_TXQ_DESC_SIZE;
+
/* When hash header insertion is enabled, Siena inserts 16 bytes */
encp->enc_rx_prefix_size = 16;
--
2.17.1
next prev 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 ` Andrew Rybchenko [this message]
2019-02-07 16:29 ` [dpdk-dev] [PATCH 19/38] net/sfc/base: support different Rx descriptor sizes Andrew Rybchenko
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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