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Message-Id: <20210729171901.3211729-6-ciorneiioana@gmail.com>
Date: Thu, 29 Jul 2021 20:18:57 +0300
From: Ioana Ciornei <ciorneiioana@...il.com>
To: davem@...emloft.net, kuba@...nel.org
Cc: corbet@....net, netdev@...r.kernel.org, linux-doc@...r.kernel.org,
Ioana Ciornei <ioana.ciornei@....com>
Subject: [PATCH net-next 5/9] dpaa2-switch: add API for setting up mirroring
From: Ioana Ciornei <ioana.ciornei@....com>
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@....com>
---
.../net/ethernet/freescale/dpaa2/dpsw-cmd.h | 19 +++++
drivers/net/ethernet/freescale/dpaa2/dpsw.c | 80 +++++++++++++++++++
drivers/net/ethernet/freescale/dpaa2/dpsw.h | 31 +++++++
3 files changed, 130 insertions(+)
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h
index cb13e740f72b..397d55f2bd99 100644
--- 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 6352d6d1ecba..ab921d75deb2 100644
--- 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 5ef221a25b02..892df905b876 100644
--- 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 */
--
2.31.1
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