diff mbox series

[V2,07/12,net-next] qca_spi: Introduce QCASPI_RX_MAX_FRAMES

Message ID 20231218232639.33327-8-wahrenst@gmx.net (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series qca_spi: collection of improvements | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1115 this patch: 1115
netdev/cc_maintainers success CCed 5 of 5 maintainers
netdev/build_clang fail Errors and warnings before: 12 this patch: 12
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1142 this patch: 1142
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 15 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Stefan Wahren Dec. 18, 2023, 11:26 p.m. UTC
Currently qca_spi reserves enough space for 4 complete Ethernet over SPI
frames in the receive buffer. Unfortunately this is hidden under a magic
number. So replace it with a more self explaining define.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
---
 drivers/net/ethernet/qualcomm/qca_spi.c | 2 +-
 drivers/net/ethernet/qualcomm/qca_spi.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

--
2.34.1

Comments

Jacob Keller Dec. 20, 2023, 10:26 p.m. UTC | #1
On 12/18/2023 3:26 PM, Stefan Wahren wrote:
> Currently qca_spi reserves enough space for 4 complete Ethernet over SPI
> frames in the receive buffer. Unfortunately this is hidden under a magic
> number. So replace it with a more self explaining define.
> 

Yea, this is lot more descriptive to say "RX_MAX_FRAMES", rather than
just 4.

Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>

> Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
> ---
diff mbox series

Patch

diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index 2ca25844d91c..80182f8a4a50 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -814,7 +814,7 @@  qcaspi_netdev_init(struct net_device *dev)
 	qca->burst_len = qcaspi_burst_len;
 	qca->spi_thread = NULL;
 	qca->buffer_size = (dev->mtu + VLAN_ETH_HLEN + QCAFRM_HEADER_LEN +
-		QCAFRM_FOOTER_LEN + 4) * 4;
+		QCAFRM_FOOTER_LEN + 4) * QCASPI_RX_MAX_FRAMES;

 	memset(&qca->stats, 0, sizeof(struct qcaspi_stats));

diff --git a/drivers/net/ethernet/qualcomm/qca_spi.h b/drivers/net/ethernet/qualcomm/qca_spi.h
index dcecb072b8eb..f735ad77402f 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.h
+++ b/drivers/net/ethernet/qualcomm/qca_spi.h
@@ -41,6 +41,7 @@ 

 #define QCASPI_TX_RING_MAX_LEN 10
 #define QCASPI_TX_RING_MIN_LEN 2
+#define QCASPI_RX_MAX_FRAMES 4

 /* sync related constants */
 #define QCASPI_SYNC_UNKNOWN 0