diff mbox series

[net-next,04/10] net: stmmac: enlarge max rx/tx queues and channels to 16

Message ID 20230723161029.1345-5-jszhang@kernel.org (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series net: stmmac: add new features to xgmac | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
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: 1369 this patch: 1369
netdev/cc_maintainers warning 4 maintainers not CCed: ahalaney@redhat.com simon.horman@corigine.com bartosz.golaszewski@linaro.org mcoquelin.stm32@gmail.com
netdev/build_clang success Errors and warnings before: 1365 this patch: 1365
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: 1392 this patch: 1392
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 23 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Jisheng Zhang July 23, 2023, 4:10 p.m. UTC 
xgmac supports up to 16 rx/tx queues and up to 16 channels.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 5 ++---
 include/linux/stmmac.h                              | 6 +++---
 2 files changed, 5 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index a0c2ef8bb0ac..aaae82d3d9dc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -202,9 +202,8 @@  static void dwxgmac2_map_mtl_to_dma(struct mac_device_info *hw, u32 queue,
 	void __iomem *ioaddr = hw->pcsr;
 	u32 value, reg;
 
-	reg = (queue < 4) ? XGMAC_MTL_RXQ_DMA_MAP0 : XGMAC_MTL_RXQ_DMA_MAP1;
-	if (queue >= 4)
-		queue -= 4;
+	reg = XGMAC_MTL_RXQ_DMA_MAP0 + (queue & ~0x3);
+	queue &= 0x3;
 
 	value = readl(ioaddr + reg);
 	value &= ~XGMAC_QxMDMACH(queue);
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index ef67dba775d0..11671fd6adee 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -15,9 +15,9 @@ 
 #include <linux/platform_device.h>
 #include <linux/phy.h>
 
-#define MTL_MAX_RX_QUEUES	8
-#define MTL_MAX_TX_QUEUES	8
-#define STMMAC_CH_MAX		8
+#define MTL_MAX_RX_QUEUES	16
+#define MTL_MAX_TX_QUEUES	16
+#define STMMAC_CH_MAX		16
 
 #define STMMAC_RX_COE_NONE	0
 #define STMMAC_RX_COE_TYPE1	1