6.16-stable review patch. If anyone has any objections, please let me know.
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From: Oren Sidi osidi@nvidia.com
[ Upstream commit 6f09ee0b583cad4f2b6a82842c26235bee3d5c2e ]
Extend structure layouts and defines buf_ownership. buf_ownership indicates whether the buffer is managed by SW or FW.
Signed-off-by: Oren Sidi osidi@nvidia.com Reviewed-by: Alex Lazar alazar@nvidia.com Signed-off-by: Tariq Toukan tariqt@nvidia.com Link: https://patch.msgid.link/1752734895-257735-3-git-send-email-tariqt@nvidia.co... Signed-off-by: Leon Romanovsky leon@kernel.org Stable-dep-of: 451d2849ea66 ("net/mlx5e: Query FW for buffer ownership") Signed-off-by: Sasha Levin sashal@kernel.org --- include/linux/mlx5/mlx5_ifc.h | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 2c09df4ee574..83288df7bb45 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -10460,8 +10460,16 @@ struct mlx5_ifc_pifr_reg_bits { u8 port_filter_update_en[8][0x20]; };
+enum { + MLX5_BUF_OWNERSHIP_UNKNOWN = 0x0, + MLX5_BUF_OWNERSHIP_FW_OWNED = 0x1, + MLX5_BUF_OWNERSHIP_SW_OWNED = 0x2, +}; + struct mlx5_ifc_pfcc_reg_bits { - u8 reserved_at_0[0x8]; + u8 reserved_at_0[0x4]; + u8 buf_ownership[0x2]; + u8 reserved_at_6[0x2]; u8 local_port[0x8]; u8 reserved_at_10[0xb]; u8 ppan_mask_n[0x1]; @@ -10597,7 +10605,9 @@ struct mlx5_ifc_pcam_enhanced_features_bits { u8 fec_200G_per_lane_in_pplm[0x1]; u8 reserved_at_1e[0x2a]; u8 fec_100G_per_lane_in_pplm[0x1]; - u8 reserved_at_49[0x1f]; + u8 reserved_at_49[0xa]; + u8 buffer_ownership[0x1]; + u8 resereved_at_54[0x14]; u8 fec_50G_per_lane_in_pplm[0x1]; u8 reserved_at_69[0x4]; u8 rx_icrc_encapsulated_counter[0x1];