[PATCH net-next 1/4] net: macb: Rename MACB_CAPS_QBV to MACB_CAPS_TC
From: Vineeth Karumanchi
Date: Fri Aug 07 2026 - 05:50:50 EST
The MACB_CAPS_QBV capability flag was originally introduced to
gate TAPRIO/QBV support. However, GEM IP versions that support
QBV also implement multiple TSN clauses.
Replace this with a generic capability flag that can be reused
by other TSN features. Rename MACB_CAPS_QBV to MACB_CAPS_TC to
better reflect its role as a general traffic-class offload capability.
The supported TSN clauses are handled through macb_setup_tc().
Signed-off-by: Vineeth Karumanchi <vineeth.karumanchi@xxxxxxx>
---
drivers/net/ethernet/cadence/macb.h | 2 +-
drivers/net/ethernet/cadence/macb_main.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index a11052565436..f24df25923d7 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -768,7 +768,7 @@
#define MACB_CAPS_MIIONRGMII BIT(9)
#define MACB_CAPS_NEED_TSUCLK BIT(10)
#define MACB_CAPS_QUEUE_DISABLE BIT(11)
-#define MACB_CAPS_QBV BIT(12)
+#define MACB_CAPS_TC BIT(12)
#define MACB_CAPS_PCS BIT(13)
#define MACB_CAPS_HIGH_SPEED BIT(14)
#define MACB_CAPS_CLK_HW_CHG BIT(15)
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index d394f1f43b68..29c93df1444c 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -4846,8 +4846,8 @@ static int macb_init_dflt(struct platform_device *pdev)
dev->hw_features |= NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
if (bp->caps & MACB_CAPS_SG_DISABLED)
dev->hw_features &= ~NETIF_F_SG;
- /* Enable HW_TC if hardware supports QBV */
- if (bp->caps & MACB_CAPS_QBV)
+ /* Enable TC offload for TSN-capable hardware */
+ if (bp->caps & MACB_CAPS_TC)
dev->hw_features |= NETIF_F_HW_TC;
dev->features = dev->hw_features;
@@ -5678,7 +5678,7 @@ static const struct macb_config versal_config = {
.caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_JUMBO |
MACB_CAPS_GEM_HAS_PTP | MACB_CAPS_BD_RD_PREFETCH |
MACB_CAPS_NEED_TSUCLK | MACB_CAPS_QUEUE_DISABLE |
- MACB_CAPS_QBV |
+ MACB_CAPS_TC |
MACB_CAPS_USRIO_HAS_MII,
.dma_burst_length = 16,
.init = init_reset_optional,
--
2.44.4