diff mbox series

[v6,net-next,8/8] sfc: add support for devlink port_function_hw_addr_set in ef100

Message ID 20230208142519.31192-9-alejandro.lucero-palau@amd.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series sfc: devlink support for ef100 | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 54 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Lucero Palau, Alejandro Feb. 8, 2023, 2:25 p.m. UTC
From: Alejandro Lucero <alejandro.lucero-palau@amd.com>

Using the builtin client handle id infrastructure, add support for
setting the mac address linked to mports in ef100. This implies to
execute an MCDI command for giving the address to the firmware for
the specific devlink port.

Signed-off-by: Alejandro Lucero <alejandro.lucero-palau@amd.com>
---
 drivers/net/ethernet/sfc/efx_devlink.c | 42 ++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

Comments

Jiri Pirko Feb. 8, 2023, 2:40 p.m. UTC | #1
Wed, Feb 08, 2023 at 03:25:19PM CET, alejandro.lucero-palau@amd.com wrote:
>From: Alejandro Lucero <alejandro.lucero-palau@amd.com>
>
>Using the builtin client handle id infrastructure, add support for
>setting the mac address linked to mports in ef100. This implies to
>execute an MCDI command for giving the address to the firmware for
>the specific devlink port.
>
>Signed-off-by: Alejandro Lucero <alejandro.lucero-palau@amd.com>

Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Martin Habets Feb. 10, 2023, 8:53 a.m. UTC | #2
On Wed, Feb 08, 2023 at 02:25:19PM +0000, alejandro.lucero-palau@amd.com wrote:
> From: Alejandro Lucero <alejandro.lucero-palau@amd.com>
> 
> Using the builtin client handle id infrastructure, add support for
> setting the mac address linked to mports in ef100. This implies to
> execute an MCDI command for giving the address to the firmware for
> the specific devlink port.
> 
> Signed-off-by: Alejandro Lucero <alejandro.lucero-palau@amd.com>

Acked-by: Martin Habets <habetsm.xilinx@gmail.com>

> ---
>  drivers/net/ethernet/sfc/efx_devlink.c | 42 ++++++++++++++++++++++++++
>  1 file changed, 42 insertions(+)
> 
> diff --git a/drivers/net/ethernet/sfc/efx_devlink.c b/drivers/net/ethernet/sfc/efx_devlink.c
> index 68d04c2176d3..9fc2fe862303 100644
> --- a/drivers/net/ethernet/sfc/efx_devlink.c
> +++ b/drivers/net/ethernet/sfc/efx_devlink.c
> @@ -103,6 +103,47 @@ static int efx_devlink_port_addr_get(struct devlink_port *port, u8 *hw_addr,
>  	return rc;
>  }
>  
> +static int efx_devlink_port_addr_set(struct devlink_port *port,
> +				     const u8 *hw_addr, int hw_addr_len,
> +				     struct netlink_ext_ack *extack)
> +{
> +	MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_CLIENT_MAC_ADDRESSES_IN_LEN(1));
> +	struct efx_devlink *devlink = devlink_priv(port->devlink);
> +	struct mae_mport_desc *mport_desc;
> +	efx_qword_t pciefn;
> +	u32 client_id;
> +	int rc;
> +
> +	mport_desc = container_of(port, struct mae_mport_desc, dl_port);
> +
> +	if (!ef100_mport_is_vf(mport_desc)) {
> +		NL_SET_ERR_MSG_MOD(extack, "Port MAC change not allowed");
> +		return -EPERM;
> +	}
> +
> +	EFX_POPULATE_QWORD_3(pciefn,
> +			     PCIE_FUNCTION_PF, PCIE_FUNCTION_PF_NULL,
> +			     PCIE_FUNCTION_VF, mport_desc->vf_idx,
> +			     PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER);
> +
> +	rc = efx_ef100_lookup_client_id(devlink->efx, pciefn, &client_id);
> +	if (rc) {
> +		NL_SET_ERR_MSG_MOD(extack, "No internal client_ID");
> +		return rc;
> +	}
> +
> +	MCDI_SET_DWORD(inbuf, SET_CLIENT_MAC_ADDRESSES_IN_CLIENT_HANDLE,
> +		       client_id);
> +
> +	ether_addr_copy(MCDI_PTR(inbuf, SET_CLIENT_MAC_ADDRESSES_IN_MAC_ADDRS),
> +			hw_addr);
> +
> +	rc = efx_mcdi_rpc(devlink->efx, MC_CMD_SET_CLIENT_MAC_ADDRESSES, inbuf,
> +			  sizeof(inbuf), NULL, 0, NULL);
> +
> +	return rc;
> +}
> +
>  static int efx_devlink_info_nvram_partition(struct efx_nic *efx,
>  					    struct devlink_info_req *req,
>  					    unsigned int partition_type,
> @@ -557,6 +598,7 @@ static const struct devlink_ops sfc_devlink_ops = {
>  #ifdef CONFIG_SFC_SRIOV
>  	.info_get			= efx_devlink_info_get,
>  	.port_function_hw_addr_get	= efx_devlink_port_addr_get,
> +	.port_function_hw_addr_set	= efx_devlink_port_addr_set,
>  #endif
>  };
>  
> -- 
> 2.17.1
diff mbox series

Patch

diff --git a/drivers/net/ethernet/sfc/efx_devlink.c b/drivers/net/ethernet/sfc/efx_devlink.c
index 68d04c2176d3..9fc2fe862303 100644
--- a/drivers/net/ethernet/sfc/efx_devlink.c
+++ b/drivers/net/ethernet/sfc/efx_devlink.c
@@ -103,6 +103,47 @@  static int efx_devlink_port_addr_get(struct devlink_port *port, u8 *hw_addr,
 	return rc;
 }
 
+static int efx_devlink_port_addr_set(struct devlink_port *port,
+				     const u8 *hw_addr, int hw_addr_len,
+				     struct netlink_ext_ack *extack)
+{
+	MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_CLIENT_MAC_ADDRESSES_IN_LEN(1));
+	struct efx_devlink *devlink = devlink_priv(port->devlink);
+	struct mae_mport_desc *mport_desc;
+	efx_qword_t pciefn;
+	u32 client_id;
+	int rc;
+
+	mport_desc = container_of(port, struct mae_mport_desc, dl_port);
+
+	if (!ef100_mport_is_vf(mport_desc)) {
+		NL_SET_ERR_MSG_MOD(extack, "Port MAC change not allowed");
+		return -EPERM;
+	}
+
+	EFX_POPULATE_QWORD_3(pciefn,
+			     PCIE_FUNCTION_PF, PCIE_FUNCTION_PF_NULL,
+			     PCIE_FUNCTION_VF, mport_desc->vf_idx,
+			     PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER);
+
+	rc = efx_ef100_lookup_client_id(devlink->efx, pciefn, &client_id);
+	if (rc) {
+		NL_SET_ERR_MSG_MOD(extack, "No internal client_ID");
+		return rc;
+	}
+
+	MCDI_SET_DWORD(inbuf, SET_CLIENT_MAC_ADDRESSES_IN_CLIENT_HANDLE,
+		       client_id);
+
+	ether_addr_copy(MCDI_PTR(inbuf, SET_CLIENT_MAC_ADDRESSES_IN_MAC_ADDRS),
+			hw_addr);
+
+	rc = efx_mcdi_rpc(devlink->efx, MC_CMD_SET_CLIENT_MAC_ADDRESSES, inbuf,
+			  sizeof(inbuf), NULL, 0, NULL);
+
+	return rc;
+}
+
 static int efx_devlink_info_nvram_partition(struct efx_nic *efx,
 					    struct devlink_info_req *req,
 					    unsigned int partition_type,
@@ -557,6 +598,7 @@  static const struct devlink_ops sfc_devlink_ops = {
 #ifdef CONFIG_SFC_SRIOV
 	.info_get			= efx_devlink_info_get,
 	.port_function_hw_addr_get	= efx_devlink_port_addr_get,
+	.port_function_hw_addr_set	= efx_devlink_port_addr_set,
 #endif
 };