Re: [Intel-wired-lan] [PATCH iwl-next v1 2/8] igc: add TXDCTL prefix to related macros

2025-04-28 Thread Abdul Rahim, Faizal




On 28/4/2025 2:57 pm, Ruinskiy, Dima wrote:

On 28/04/2025 9:02, Faizal Rahim wrote:

Rename macros to include the TXDCTL_ prefix for consistency and clarity.
This aligns naming with the register they configure and improves code
readability.

Signed-off-by: Faizal Rahim 
---
  drivers/net/ethernet/intel/igc/igc.h  | 6 +++---
  drivers/net/ethernet/intel/igc/igc_main.c | 6 +++---
  2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/ 
intel/igc/igc.h

index e9d180eac015..bc37cc8deefb 100644
--- a/drivers/net/ethernet/intel/igc/igc.h
+++ b/drivers/net/ethernet/intel/igc/igc.h
@@ -487,10 +487,10 @@ static inline u32 igc_rss_type(const union 
igc_adv_rx_desc *rx_desc)

   */
  #define IGC_RX_PTHRESH    8
  #define IGC_RX_HTHRESH    8
-#define IGC_TX_PTHRESH    8
-#define IGC_TX_HTHRESH    1
+#define IGC_TXDCTL_PTHRESH    8
+#define IGC_TXDCTL_HTHRESH    1
  #define IGC_RX_WTHRESH    4
-#define IGC_TX_WTHRESH    16
+#define IGC_TXDCTL_WTHRESH    16
  /* Additional Transmit Descriptor Control definitions */
  /* Ena specific Tx Queue */
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ 
ethernet/intel/igc/igc_main.c

index 27575a1e1777..725c8f0b9f3d 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -749,9 +749,9 @@ static void igc_configure_tx_ring(struct igc_adapter 
*adapter,

  wr32(IGC_TDH(reg_idx), 0);
  writel(0, ring->tail);
-    txdctl |= IGC_TX_PTHRESH;
-    txdctl |= IGC_TX_HTHRESH << 8;
-    txdctl |= IGC_TX_WTHRESH << 16;
+    txdctl |= IGC_TXDCTL_PTHRESH;
+    txdctl |= IGC_TXDCTL_HTHRESH << 8;
+    txdctl |= IGC_TXDCTL_WTHRESH << 16;
  txdctl |= IGC_TXDCTL_QUEUE_ENABLE;
  wr32(IGC_TXDCTL(reg_idx), txdctl);


If you do this, I think you should apply the same change to the RXDCTL 
macros that are right next to the TXDCTL ones. Otherwise you are trading 
one inconsistency for another. :)


Will update



Re: [Intel-wired-lan] [PATCH iwl-next v1 2/8] igc: add TXDCTL prefix to related macros

2025-04-27 Thread Ruinskiy, Dima

On 28/04/2025 9:02, Faizal Rahim wrote:

Rename macros to include the TXDCTL_ prefix for consistency and clarity.
This aligns naming with the register they configure and improves code
readability.

Signed-off-by: Faizal Rahim 
---
  drivers/net/ethernet/intel/igc/igc.h  | 6 +++---
  drivers/net/ethernet/intel/igc/igc_main.c | 6 +++---
  2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/intel/igc/igc.h 
b/drivers/net/ethernet/intel/igc/igc.h
index e9d180eac015..bc37cc8deefb 100644
--- a/drivers/net/ethernet/intel/igc/igc.h
+++ b/drivers/net/ethernet/intel/igc/igc.h
@@ -487,10 +487,10 @@ static inline u32 igc_rss_type(const union 
igc_adv_rx_desc *rx_desc)
   */
  #define IGC_RX_PTHRESH8
  #define IGC_RX_HTHRESH8
-#define IGC_TX_PTHRESH 8
-#define IGC_TX_HTHRESH 1
+#define IGC_TXDCTL_PTHRESH 8
+#define IGC_TXDCTL_HTHRESH 1
  #define IGC_RX_WTHRESH4
-#define IGC_TX_WTHRESH 16
+#define IGC_TXDCTL_WTHRESH 16
  
  /* Additional Transmit Descriptor Control definitions */

  /* Ena specific Tx Queue */
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c 
b/drivers/net/ethernet/intel/igc/igc_main.c
index 27575a1e1777..725c8f0b9f3d 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -749,9 +749,9 @@ static void igc_configure_tx_ring(struct igc_adapter 
*adapter,
wr32(IGC_TDH(reg_idx), 0);
writel(0, ring->tail);
  
-	txdctl |= IGC_TX_PTHRESH;

-   txdctl |= IGC_TX_HTHRESH << 8;
-   txdctl |= IGC_TX_WTHRESH << 16;
+   txdctl |= IGC_TXDCTL_PTHRESH;
+   txdctl |= IGC_TXDCTL_HTHRESH << 8;
+   txdctl |= IGC_TXDCTL_WTHRESH << 16;
  
  	txdctl |= IGC_TXDCTL_QUEUE_ENABLE;

wr32(IGC_TXDCTL(reg_idx), txdctl);


If you do this, I think you should apply the same change to the RXDCTL 
macros that are right next to the TXDCTL ones. Otherwise you are trading 
one inconsistency for another. :)