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A driver may refuse to enable VLAN filtering for any reason beyond what the DSA framework cares about, such as: - having tc-flower rules that rely on the switch being VLAN-aware - the particular switch does not support VLAN, even if the driver does (the DSA framework just checks for the presence of the .port_vlan_add and .port_vlan_del pointers) - simply not supporting this configuration to be toggled at runtime Currently, when a driver rejects a configuration it cannot support, it does this from the commit phase, which triggers various warnings in switchdev. So propagate the prepare phase to drivers, to give them the ability to refuse invalid configurations cleanly and avoid the warnings. Since we need to modify all function prototypes and check for the prepare phase from within the drivers, take that opportunity and move the existing driver restrictions within the prepare phase where that is possible and easy. Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Cc: Hauke Mehrtens <hauke@hauke-m.de> Cc: Woojung Huh <woojung.huh@microchip.com> Cc: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> Cc: Sean Wang <sean.wang@mediatek.com> Cc: Landen Chao <Landen.Chao@mediatek.com> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Vivien Didelot <vivien.didelot@gmail.com> Cc: Jonathan McDowell <noodles@earth.li> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
147 lines
4.3 KiB
C
147 lines
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/* Realtek SMI interface driver defines
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*
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* Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
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* Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
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*/
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#ifndef _REALTEK_SMI_H
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#define _REALTEK_SMI_H
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#include <linux/phy.h>
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#include <linux/platform_device.h>
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#include <linux/gpio/consumer.h>
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#include <net/dsa.h>
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struct realtek_smi_ops;
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struct dentry;
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struct inode;
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struct file;
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struct rtl8366_mib_counter {
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unsigned int base;
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unsigned int offset;
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unsigned int length;
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const char *name;
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};
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/**
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* struct rtl8366_vlan_mc - Virtual LAN member configuration
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*/
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struct rtl8366_vlan_mc {
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u16 vid;
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u16 untag;
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u16 member;
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u8 fid;
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u8 priority;
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};
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struct rtl8366_vlan_4k {
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u16 vid;
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u16 untag;
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u16 member;
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u8 fid;
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};
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struct realtek_smi {
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struct device *dev;
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struct gpio_desc *reset;
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struct gpio_desc *mdc;
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struct gpio_desc *mdio;
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struct regmap *map;
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struct mii_bus *slave_mii_bus;
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unsigned int clk_delay;
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u8 cmd_read;
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u8 cmd_write;
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spinlock_t lock; /* Locks around command writes */
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struct dsa_switch *ds;
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struct irq_domain *irqdomain;
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bool leds_disabled;
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unsigned int cpu_port;
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unsigned int num_ports;
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unsigned int num_vlan_mc;
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unsigned int num_mib_counters;
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struct rtl8366_mib_counter *mib_counters;
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const struct realtek_smi_ops *ops;
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int vlan_enabled;
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int vlan4k_enabled;
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char buf[4096];
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};
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/**
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* struct realtek_smi_ops - vtable for the per-SMI-chiptype operations
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* @detect: detects the chiptype
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*/
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struct realtek_smi_ops {
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int (*detect)(struct realtek_smi *smi);
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int (*reset_chip)(struct realtek_smi *smi);
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int (*setup)(struct realtek_smi *smi);
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void (*cleanup)(struct realtek_smi *smi);
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int (*get_mib_counter)(struct realtek_smi *smi,
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int port,
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struct rtl8366_mib_counter *mib,
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u64 *mibvalue);
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int (*get_vlan_mc)(struct realtek_smi *smi, u32 index,
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struct rtl8366_vlan_mc *vlanmc);
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int (*set_vlan_mc)(struct realtek_smi *smi, u32 index,
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const struct rtl8366_vlan_mc *vlanmc);
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int (*get_vlan_4k)(struct realtek_smi *smi, u32 vid,
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struct rtl8366_vlan_4k *vlan4k);
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int (*set_vlan_4k)(struct realtek_smi *smi,
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const struct rtl8366_vlan_4k *vlan4k);
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int (*get_mc_index)(struct realtek_smi *smi, int port, int *val);
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int (*set_mc_index)(struct realtek_smi *smi, int port, int index);
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bool (*is_vlan_valid)(struct realtek_smi *smi, unsigned int vlan);
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int (*enable_vlan)(struct realtek_smi *smi, bool enable);
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int (*enable_vlan4k)(struct realtek_smi *smi, bool enable);
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int (*enable_port)(struct realtek_smi *smi, int port, bool enable);
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int (*phy_read)(struct realtek_smi *smi, int phy, int regnum);
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int (*phy_write)(struct realtek_smi *smi, int phy, int regnum,
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u16 val);
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};
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struct realtek_smi_variant {
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const struct dsa_switch_ops *ds_ops;
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const struct realtek_smi_ops *ops;
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unsigned int clk_delay;
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u8 cmd_read;
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u8 cmd_write;
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};
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/* SMI core calls */
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int realtek_smi_write_reg_noack(struct realtek_smi *smi, u32 addr,
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u32 data);
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int realtek_smi_setup_mdio(struct realtek_smi *smi);
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/* RTL8366 library helpers */
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int rtl8366_mc_is_used(struct realtek_smi *smi, int mc_index, int *used);
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int rtl8366_set_vlan(struct realtek_smi *smi, int vid, u32 member,
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u32 untag, u32 fid);
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int rtl8366_set_pvid(struct realtek_smi *smi, unsigned int port,
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unsigned int vid);
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int rtl8366_enable_vlan4k(struct realtek_smi *smi, bool enable);
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int rtl8366_enable_vlan(struct realtek_smi *smi, bool enable);
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int rtl8366_reset_vlan(struct realtek_smi *smi);
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int rtl8366_init_vlan(struct realtek_smi *smi);
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int rtl8366_vlan_filtering(struct dsa_switch *ds, int port,
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bool vlan_filtering,
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struct switchdev_trans *trans);
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int rtl8366_vlan_prepare(struct dsa_switch *ds, int port,
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const struct switchdev_obj_port_vlan *vlan);
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void rtl8366_vlan_add(struct dsa_switch *ds, int port,
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const struct switchdev_obj_port_vlan *vlan);
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int rtl8366_vlan_del(struct dsa_switch *ds, int port,
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const struct switchdev_obj_port_vlan *vlan);
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void rtl8366_get_strings(struct dsa_switch *ds, int port, u32 stringset,
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uint8_t *data);
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int rtl8366_get_sset_count(struct dsa_switch *ds, int port, int sset);
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void rtl8366_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data);
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extern const struct realtek_smi_variant rtl8366rb_variant;
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#endif /* _REALTEK_SMI_H */
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