mlxsw: reg: Add Switch Port FDB Security Register

Add the Switch Port FDB Security Register (SPFSR) that allows enabling
and disabling security checks on a given local port. In Linux terms, it
allows locking / unlocking a port.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 7240af45ade5d982bed74105161f0b7b8c32e10b..f2d6f8654e04befc8be1a521e08efb88180f4a68 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -2046,6 +2046,39 @@ static inline void mlxsw_reg_spvmlr_pack(char *payload, u16 local_port,
        }
 }
 
+/* SPFSR - Switch Port FDB Security Register
+ * -----------------------------------------
+ * Configures the security mode per port.
+ */
+#define MLXSW_REG_SPFSR_ID 0x2023
+#define MLXSW_REG_SPFSR_LEN 0x08
+
+MLXSW_REG_DEFINE(spfsr, MLXSW_REG_SPFSR_ID, MLXSW_REG_SPFSR_LEN);
+
+/* reg_spfsr_local_port
+ * Local port.
+ * Access: Index
+ *
+ * Note: not supported for CPU port.
+ */
+MLXSW_ITEM32_LP(reg, spfsr, 0x00, 16, 0x00, 12);
+
+/* reg_spfsr_security
+ * Security checks.
+ * 0: disabled (default)
+ * 1: enabled
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, spfsr, security, 0x04, 31, 1);
+
+static inline void mlxsw_reg_spfsr_pack(char *payload, u16 local_port,
+                                       bool security)
+{
+       MLXSW_REG_ZERO(spfsr, payload);
+       mlxsw_reg_spfsr_local_port_set(payload, local_port);
+       mlxsw_reg_spfsr_security_set(payload, security);
+}
+
 /* SPVC - Switch Port VLAN Classification Register
  * -----------------------------------------------
  * Configures the port to identify packets as untagged / single tagged /
@@ -12762,6 +12795,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
        MLXSW_REG(svpe),
        MLXSW_REG(sfmr),
        MLXSW_REG(spvmlr),
+       MLXSW_REG(spfsr),
        MLXSW_REG(spvc),
        MLXSW_REG(spevet),
        MLXSW_REG(smpe),