qca_spi: Introduce QCASPI_RX_MAX_FRAMES

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> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Jan 31, 2024 · fa53439 · fa53439
1 parent c7f6250
commit fa53439
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diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -829,7 +829,7 @@ 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
@@ -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