net/mlx5e: Add support for RXALL netdev feature

Introduce new access register named Ports Check Mask Register (PCMR) to
control all HW checks on port. With this register, the driver can
enable/disable Hardware FCS validation.

When RXALL is enabled/disabled using ndo_set_features, enable/disable
fcs check at HW.
User can change HW configuration using rx-all flag at ethtool.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index dcd5ac8..497a4db 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -112,6 +112,7 @@
 	MLX5_REG_PMPE		 = 0x5010,
 	MLX5_REG_PELC		 = 0x500e,
 	MLX5_REG_PVLC		 = 0x500f,
+	MLX5_REG_PCMR		 = 0x5041,
 	MLX5_REG_PMLP		 = 0, /* TBD */
 	MLX5_REG_NODE_DESC	 = 0x6001,
 	MLX5_REG_HOST_ENDIANNESS = 0x7004,
diff --git a/include/linux/mlx5/port.h b/include/linux/mlx5/port.h
index a1d145a..577e953 100644
--- a/include/linux/mlx5/port.h
+++ b/include/linux/mlx5/port.h
@@ -84,4 +84,8 @@
 int mlx5_set_port_wol(struct mlx5_core_dev *mdev, u8 wol_mode);
 int mlx5_query_port_wol(struct mlx5_core_dev *mdev, u8 *wol_mode);
 
+int mlx5_set_port_fcs(struct mlx5_core_dev *mdev, u8 enable);
+void mlx5_query_port_fcs(struct mlx5_core_dev *mdev, bool *supported,
+			 bool *enabled);
+
 #endif /* __MLX5_PORT_H__ */