dpaa2-switch: add API for setting up mirroring

Add the necessary MC API for setting up and configuring the mirroring
feature on the DPSW DPAA2 object.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h
index cb13e74..397d55f 100644 (file)
--- a/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h
@@ -39,11 +39,16 @@
 #define DPSW_CMDID_GET_IRQ_STATUS           DPSW_CMD_ID(0x016)
 #define DPSW_CMDID_CLEAR_IRQ_STATUS         DPSW_CMD_ID(0x017)
 
+#define DPSW_CMDID_SET_REFLECTION_IF        DPSW_CMD_ID(0x022)
+
 #define DPSW_CMDID_IF_SET_TCI               DPSW_CMD_ID(0x030)
 #define DPSW_CMDID_IF_SET_STP               DPSW_CMD_ID(0x031)
 
 #define DPSW_CMDID_IF_GET_COUNTER           DPSW_CMD_V2(0x034)
 
+#define DPSW_CMDID_IF_ADD_REFLECTION        DPSW_CMD_ID(0x037)
+#define DPSW_CMDID_IF_REMOVE_REFLECTION     DPSW_CMD_ID(0x038)
+
 #define DPSW_CMDID_IF_ENABLE                DPSW_CMD_ID(0x03D)
 #define DPSW_CMDID_IF_DISABLE               DPSW_CMD_ID(0x03E)
 
@@ -533,5 +538,19 @@ struct dpsw_cmd_acl_entry {
        __le64 pad2[4];
        __le64 key_iova;
 };
+
+struct dpsw_cmd_set_reflection_if {
+       __le16 if_id;
+};
+
+#define DPSW_FILTER_SHIFT      0
+#define DPSW_FILTER_SIZE       2
+
+struct dpsw_cmd_if_reflection {
+       __le16 if_id;
+       __le16 vlan_id;
+       /* only 2 bits from the LSB */
+       u8 filter;
+};
 #pragma pack(pop)
 #endif /* __FSL_DPSW_CMD_H */

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpsw.c b/drivers/net/ethernet/freescale/dpaa2/dpsw.c
index 6352d6d..ab921d7 100644 (file)
--- a/drivers/net/ethernet/freescale/dpaa2/dpsw.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpsw.c
@@ -1579,3 +1579,83 @@ int dpsw_acl_remove_entry(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
        /* send command to mc*/
        return mc_send_command(mc_io, &cmd);
 }
+
+/**
+ * dpsw_set_reflection_if() - Set target interface for traffic mirrored
+ * @mc_io:     Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:     Token of DPSW object
+ * @if_id:     Interface Id
+ *
+ * Only one mirroring destination is allowed per switch
+ *
+ * Return:     Completion status. '0' on Success; Error code otherwise.
+ */
+int dpsw_set_reflection_if(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+                          u16 if_id)
+{
+       struct dpsw_cmd_set_reflection_if *cmd_params;
+       struct fsl_mc_command cmd = { 0 };
+
+       cmd.header = mc_encode_cmd_header(DPSW_CMDID_SET_REFLECTION_IF,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpsw_cmd_set_reflection_if *)cmd.params;
+       cmd_params->if_id = cpu_to_le16(if_id);
+
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpsw_if_add_reflection() - Setup mirroring rule
+ * @mc_io:     Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:     Token of DPSW object
+ * @if_id:     Interface Identifier
+ * @cfg:       Reflection configuration
+ *
+ * Return:     Completion status. '0' on Success; Error code otherwise.
+ */
+int dpsw_if_add_reflection(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+                          u16 if_id, const struct dpsw_reflection_cfg *cfg)
+{
+       struct dpsw_cmd_if_reflection *cmd_params;
+       struct fsl_mc_command cmd = { 0 };
+
+       cmd.header = mc_encode_cmd_header(DPSW_CMDID_IF_ADD_REFLECTION,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpsw_cmd_if_reflection *)cmd.params;
+       cmd_params->if_id = cpu_to_le16(if_id);
+       cmd_params->vlan_id = cpu_to_le16(cfg->vlan_id);
+       dpsw_set_field(cmd_params->filter, FILTER, cfg->filter);
+
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpsw_if_remove_reflection() - Remove mirroring rule
+ * @mc_io:     Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:     Token of DPSW object
+ * @if_id:     Interface Identifier
+ * @cfg:       Reflection configuration
+ *
+ * Return:     Completion status. '0' on Success; Error code otherwise.
+ */
+int dpsw_if_remove_reflection(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+                             u16 if_id, const struct dpsw_reflection_cfg *cfg)
+{
+       struct dpsw_cmd_if_reflection *cmd_params;
+       struct fsl_mc_command cmd = { 0 };
+
+       cmd.header = mc_encode_cmd_header(DPSW_CMDID_IF_REMOVE_REFLECTION,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpsw_cmd_if_reflection *)cmd.params;
+       cmd_params->if_id = cpu_to_le16(if_id);
+       cmd_params->vlan_id = cpu_to_le16(cfg->vlan_id);
+       dpsw_set_field(cmd_params->filter, FILTER, cfg->filter);
+
+       return mc_send_command(mc_io, &cmd);
+}

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpsw.h b/drivers/net/ethernet/freescale/dpaa2/dpsw.h
index 5ef221a..892df90 100644 (file)
--- a/drivers/net/ethernet/freescale/dpaa2/dpsw.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpsw.h
@@ -752,4 +752,35 @@ int dpsw_acl_add_entry(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
 
 int dpsw_acl_remove_entry(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
                          u16 acl_id, const struct dpsw_acl_entry_cfg *cfg);
+
+/**
+ * enum dpsw_reflection_filter - Filter type for frames to be reflected
+ * @DPSW_REFLECTION_FILTER_INGRESS_ALL: Reflect all frames
+ * @DPSW_REFLECTION_FILTER_INGRESS_VLAN: Reflect only frames that belong to
+ *     the particular VLAN defined by vid parameter
+ *
+ */
+enum dpsw_reflection_filter {
+       DPSW_REFLECTION_FILTER_INGRESS_ALL = 0,
+       DPSW_REFLECTION_FILTER_INGRESS_VLAN = 1
+};
+
+/**
+ * struct dpsw_reflection_cfg - Structure representing the mirroring config
+ * @filter: Filter type for frames to be mirrored
+ * @vlan_id: VLAN ID to mirror; valid only when the type is DPSW_INGRESS_VLAN
+ */
+struct dpsw_reflection_cfg {
+       enum dpsw_reflection_filter filter;
+       u16 vlan_id;
+};
+
+int dpsw_set_reflection_if(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+                          u16 if_id);
+
+int dpsw_if_add_reflection(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+                          u16 if_id, const struct dpsw_reflection_cfg *cfg);
+
+int dpsw_if_remove_reflection(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+                             u16 if_id, const struct dpsw_reflection_cfg *cfg);
 #endif /* __FSL_DPSW_H */