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0620427ea0
Add functions for managing the lan9303 ALR (Address Logic Resolution). Implement DSA methods: port_fdb_add, port_fdb_del, port_mdb_prepare, port_mdb_add and port_mdb_del. Since the lan9303 do not offer reading specific ALR entry, the driver caches all static entries - in a flat table. Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
#include <linux/regmap.h>
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#include <linux/device.h>
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#include <net/dsa.h>
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struct lan9303;
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struct lan9303_phy_ops {
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/* PHY 1 and 2 access*/
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int (*phy_read)(struct lan9303 *chip, int port, int regnum);
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int (*phy_write)(struct lan9303 *chip, int port,
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int regnum, u16 val);
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};
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#define LAN9303_NUM_ALR_RECORDS 512
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struct lan9303_alr_cache_entry {
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u8 mac_addr[ETH_ALEN];
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u8 port_map; /* Bitmap of ports. Zero if unused entry */
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u8 stp_override; /* non zero if set ALR_DAT1_AGE_OVERRID */
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};
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struct lan9303 {
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struct device *dev;
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struct regmap *regmap;
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struct regmap_irq_chip_data *irq_data;
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struct gpio_desc *reset_gpio;
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u32 reset_duration; /* in [ms] */
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bool phy_addr_sel_strap;
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struct dsa_switch *ds;
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struct mutex indirect_mutex; /* protect indexed register access */
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const struct lan9303_phy_ops *ops;
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bool is_bridged; /* true if port 1 and 2 are bridged */
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u32 swe_port_state; /* remember SWE_PORT_STATE while not bridged */
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/* LAN9303 do not offer reading specific ALR entry. Cache all
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* static entries in a flat table
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**/
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struct lan9303_alr_cache_entry alr_cache[LAN9303_NUM_ALR_RECORDS];
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};
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extern const struct regmap_access_table lan9303_register_set;
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extern const struct lan9303_phy_ops lan9303_indirect_phy_ops;
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int lan9303_probe(struct lan9303 *chip, struct device_node *np);
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int lan9303_remove(struct lan9303 *chip);
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