From: Andrew Rybchenko <arybchenko@solarflare.com>
To: <dev@dpdk.org>
Cc: Mark Spender <mspender@solarflare.com>
Subject: [dpdk-dev] [PATCH 04/11] net/sfc/base: add the max. number of RSS exclusive contexts
Date: Wed, 30 Aug 2017 19:17:34 +0100 [thread overview]
Message-ID: <1504117061-17906-5-git-send-email-arybchenko@solarflare.com> (raw)
In-Reply-To: <1504117061-17906-1-git-send-email-arybchenko@solarflare.com>
From: Mark Spender <mspender@solarflare.com>
The patch adds enc_rx_scale_max_exclusive_contexts member
to nic_cfg_t structure and sets the corresponding values
for Siena, Huntington and Medford
Signed-off-by: Mark Spender <mspender@solarflare.com>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
---
drivers/net/sfc/base/efx.h | 1 +
drivers/net/sfc/base/hunt_nic.c | 7 +++++++
drivers/net/sfc/base/medford_nic.c | 7 +++++++
drivers/net/sfc/base/siena_nic.c | 3 +++
4 files changed, 18 insertions(+)
diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h
index 1e369bf..c4ea4e1 100644
--- a/drivers/net/sfc/base/efx.h
+++ b/drivers/net/sfc/base/efx.h
@@ -1127,6 +1127,7 @@ enum {
uint32_t enc_rx_prefix_size;
uint32_t enc_rx_buf_align_start;
uint32_t enc_rx_buf_align_end;
+ uint32_t enc_rx_scale_max_exclusive_contexts;
#if EFSYS_OPT_LOOPBACK
efx_qword_t enc_loopback_types[EFX_LINK_NMODES];
#endif /* EFSYS_OPT_LOOPBACK */
diff --git a/drivers/net/sfc/base/hunt_nic.c b/drivers/net/sfc/base/hunt_nic.c
index addbf1c..19fb7cf 100644
--- a/drivers/net/sfc/base/hunt_nic.c
+++ b/drivers/net/sfc/base/hunt_nic.c
@@ -301,6 +301,13 @@
/* Alignment for WPTR updates */
encp->enc_rx_push_align = EF10_RX_WPTR_ALIGN;
+ /*
+ * Maximum number of exclusive RSS contexts which can be allocated. The
+ * hardware supports 64, but 6 are reserved for shared contexts. They
+ * are a global resource so not all may be available.
+ */
+ encp->enc_rx_scale_max_exclusive_contexts = 58;
+
encp->enc_tx_dma_desc_size_max = EFX_MASK32(ESF_DZ_RX_KER_BYTE_CNT);
/* No boundary crossing limits */
encp->enc_tx_dma_desc_boundary = 0;
diff --git a/drivers/net/sfc/base/medford_nic.c b/drivers/net/sfc/base/medford_nic.c
index 07afac1..d361d65 100644
--- a/drivers/net/sfc/base/medford_nic.c
+++ b/drivers/net/sfc/base/medford_nic.c
@@ -298,6 +298,13 @@
/* Alignment for WPTR updates */
encp->enc_rx_push_align = EF10_RX_WPTR_ALIGN;
+ /*
+ * Maximum number of exclusive RSS contexts which can be allocated. The
+ * hardware supports 64, but 6 are reserved for shared contexts. They
+ * are a global resource so not all may be available.
+ */
+ encp->enc_rx_scale_max_exclusive_contexts = 58;
+
encp->enc_tx_dma_desc_size_max = EFX_MASK32(ESF_DZ_RX_KER_BYTE_CNT);
/* No boundary crossing limits */
encp->enc_tx_dma_desc_boundary = 0;
diff --git a/drivers/net/sfc/base/siena_nic.c b/drivers/net/sfc/base/siena_nic.c
index 129b854..fcc8f15 100644
--- a/drivers/net/sfc/base/siena_nic.c
+++ b/drivers/net/sfc/base/siena_nic.c
@@ -135,6 +135,9 @@
/* Alignment for WPTR updates */
encp->enc_rx_push_align = 1;
+ /* There is one RSS context per function */
+ encp->enc_rx_scale_max_exclusive_contexts = 1;
+
encp->enc_tx_dma_desc_size_max = EFX_MASK32(FSF_AZ_TX_KER_BYTE_COUNT);
/* Fragments must not span 4k boundaries. */
encp->enc_tx_dma_desc_boundary = 4096;
--
1.8.2.3
next prev parent reply other threads:[~2017-08-30 18:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-30 18:17 [dpdk-dev] [PATCH 00/11] net/sfc: support flow API RSS action Andrew Rybchenko
2017-08-30 18:17 ` [dpdk-dev] [PATCH 01/11] net/sfc: fix unused variable warnings in RSS-agnostic build Andrew Rybchenko
2017-08-30 18:17 ` [dpdk-dev] [PATCH 02/11] net/sfc/base: define a handle to denote default RSS context Andrew Rybchenko
2017-08-30 18:17 ` [dpdk-dev] [PATCH 03/11] net/sfc/base: fix default RSS context check on Siena Andrew Rybchenko
2017-08-30 18:17 ` Andrew Rybchenko [this message]
2017-08-30 18:17 ` [dpdk-dev] [PATCH 05/11] net/sfc/base: rename API to check Rx scale and hash support Andrew Rybchenko
2017-08-30 18:17 ` [dpdk-dev] [PATCH 06/11] net/sfc/base: add API to allocate and free RSS contexts Andrew Rybchenko
2017-08-30 18:17 ` [dpdk-dev] [PATCH 07/11] net/sfc/base: update RSS API to take RSS context parameter Andrew Rybchenko
2017-08-30 18:17 ` [dpdk-dev] [PATCH 08/11] net/sfc/base: add API to set an RSS context for a filter Andrew Rybchenko
2017-08-30 18:17 ` [dpdk-dev] [PATCH 09/11] net/sfc/base: add RSS key size define to efx.h Andrew Rybchenko
2017-08-30 18:17 ` [dpdk-dev] [PATCH 10/11] net/sfc: use RSS key size define from base driver Andrew Rybchenko
2017-08-30 18:17 ` [dpdk-dev] [PATCH 11/11] net/sfc: add support for the flow API RSS action Andrew Rybchenko
2017-09-01 16:27 ` [dpdk-dev] [PATCH 00/11] net/sfc: support " Ferruh Yigit
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