/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/device.h> #include <linux/etherdevice.h> #include <linux/gpio/driver.h> /* The VSC7395 switch chips have 5+1 ports which means 5 ordinary ports and * a sixth CPU port facing the processor with an RGMII interface. These ports * are numbered 0..4 and 6, so they leave a "hole" in the port map for port 5, * which is invalid. * * The VSC7398 has 8 ports, port 7 is again the CPU port. * * We allocate 8 ports and avoid access to the nonexistent ports. */ #define VSC73XX_MAX_NUM_PORTS … /** * struct vsc73xx_portinfo - port data structure: contains storage data * @pvid_vlan_filtering: pvid vlan number used in vlan filtering mode * @pvid_tag_8021q: pvid vlan number used in tag_8021q mode * @pvid_vlan_filtering_configured: informs if port has configured pvid in vlan * filtering mode * @pvid_tag_8021q_configured: imforms if port have configured pvid in tag_8021q * mode */ struct vsc73xx_portinfo { … }; /** * struct vsc73xx - VSC73xx state container: main data structure * @dev: The device pointer * @reset: The descriptor for the GPIO line tied to the reset pin * @ds: Pointer to the DSA core structure * @gc: Main structure of the GPIO controller * @chipid: Storage for the Chip ID value read from the CHIPID register of the * switch * @addr: MAC address used in flow control frames * @ops: Structure with hardware-dependent operations * @priv: Pointer to the configuration interface structure * @portinfo: Storage table portinfo structructures * @vlans: List of configured vlans. Contains port mask and untagged status of * every vlan configured in port vlan operation. It doesn't cover tag_8021q * vlans. */ struct vsc73xx { … }; /** * struct vsc73xx_ops - VSC73xx methods container * @read: Method for register reading over the hardware-dependent interface * @write: Method for register writing over the hardware-dependent interface */ struct vsc73xx_ops { … }; /** * struct vsc73xx_bridge_vlan - VSC73xx driver structure which keeps vlan * database copy * @vid: VLAN number * @portmask: each bit represents one port * @untagged: each bit represents one port configured with @vid untagged * @list: list structure */ struct vsc73xx_bridge_vlan { … }; int vsc73xx_is_addr_valid(u8 block, u8 subblock); int vsc73xx_probe(struct vsc73xx *vsc); void vsc73xx_remove(struct vsc73xx *vsc); void vsc73xx_shutdown(struct vsc73xx *vsc);