[PATCH net-next v2 4/8] dpaa2-mac: add the MC API for reconfiguring the protocol
From: Ioana Ciornei <ioana.ciornei@nxp.com>
Date: 2022-03-09 17:28:18
Also in:
linux-devicetree, linux-phy
Subsystem:
dpaa2 ethernet driver, networking drivers, the rest · Maintainers:
Ioana Ciornei, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
The MC firmware gained recently a new command which can reconfigure the running protocol on the underlying MAC. Add this new command which will be used in the next patches in order to do a major reconfig on the interface. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> --- Changes in v2: - none .../net/ethernet/freescale/dpaa2/dpmac-cmd.h | 5 ++++ drivers/net/ethernet/freescale/dpaa2/dpmac.c | 23 +++++++++++++++++++ drivers/net/ethernet/freescale/dpaa2/dpmac.h | 3 +++ 3 files changed, 31 insertions(+)
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h
index e1e06b21110d..e9ac2ecef3be 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h@@ -26,6 +26,8 @@ #define DPMAC_CMDID_GET_COUNTER DPMAC_CMD(0x0c4) +#define DPMAC_CMDID_SET_PROTOCOL DPMAC_CMD(0x0c7) + /* Macros for accessing command fields smaller than 1byte */ #define DPMAC_MASK(field) \ GENMASK(DPMAC_##field##_SHIFT + DPMAC_##field##_SIZE - 1, \
@@ -77,4 +79,7 @@ struct dpmac_rsp_get_api_version { __le16 minor; }; +struct dpmac_cmd_set_protocol { + u8 eth_if; +}; #endif /* _FSL_DPMAC_CMD_H */
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac.c b/drivers/net/ethernet/freescale/dpaa2/dpmac.c
index d348a7567d87..f440a4c3b70c 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpmac.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpmac.c@@ -212,3 +212,26 @@ int dpmac_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags, return 0; } + +/** + * dpmac_set_protocol() - Reconfigure the DPMAC protocol + * @mc_io: Pointer to opaque I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPMAC object + * @protocol: New protocol for the DPMAC to be reconfigured in. + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmac_set_protocol(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + enum dpmac_eth_if protocol) +{ + struct dpmac_cmd_set_protocol *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + cmd.header = mc_encode_cmd_header(DPMAC_CMDID_SET_PROTOCOL, + cmd_flags, token); + cmd_params = (struct dpmac_cmd_set_protocol *)cmd.params; + cmd_params->eth_if = protocol; + + return mc_send_command(mc_io, &cmd); +}
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac.h b/drivers/net/ethernet/freescale/dpaa2/dpmac.h
index b580fb4164b5..17488819ef68 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpmac.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpmac.h@@ -207,4 +207,7 @@ int dpmac_get_counter(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, int dpmac_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 *major_ver, u16 *minor_ver); + +int dpmac_set_protocol(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, + enum dpmac_eth_if protocol); #endif /* __FSL_DPMAC_H */
--
2.33.1