[PATCH net 1/4] net/mlx5: Add PPHCR to PCAM supported registers mask

From: Tariq Toukan

Date: Wed Oct 22 2025 - 08:30:41 EST


From: Alexei Lazar <alazar@xxxxxxxxxx>

Add the PPHCR bit to the port_access_reg_cap_mask field of PCAM
register to indicate that the device supports the PPHCR register
and the RS-FEC histogram feature.

Signed-off-by: Alexei Lazar <alazar@xxxxxxxxxx>
Reviewed-by: Yael Chemla <ychemla@xxxxxxxxxx>
Signed-off-by: Tariq Toukan <tariqt@xxxxxxxxxx>
---
include/linux/mlx5/mlx5_ifc.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 07614cd95bed..1b0b36aa2a76 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -10833,7 +10833,9 @@ struct mlx5_ifc_pcam_regs_5000_to_507f_bits {
u8 port_access_reg_cap_mask_127_to_96[0x20];
u8 port_access_reg_cap_mask_95_to_64[0x20];

- u8 port_access_reg_cap_mask_63_to_36[0x1c];
+ u8 port_access_reg_cap_mask_63[0x1];
+ u8 pphcr[0x1];
+ u8 port_access_reg_cap_mask_61_to_36[0x1a];
u8 pplm[0x1];
u8 port_access_reg_cap_mask_34_to_32[0x3];

--
2.31.1