Commit cbc2a889 authored by Ioana Ciornei's avatar Ioana Ciornei Committed by David S. Miller
Browse files

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: default avatarIoana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3fa5514a

drivers/net/ethernet/freescale/dpaa2/dpsw-cmd.h

+19 −0
Original line number Diff line number Diff line
@@ -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 */

drivers/net/ethernet/freescale/dpaa2/dpsw.c

+80 −0
Original line number Diff line number Diff line
@@ -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);

}

drivers/net/ethernet/freescale/dpaa2/dpsw.h

+31 −0
Original line number Diff line number Diff line
@@ -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 */