sw_r_vlan_table(9)

💅 sw_r_vlan_table(9) — Kernel API Manual, but make it make sense

okay so this is a page from the Kernel API Manual and it's all about sw_r_vlan_table, bestie. buckle up, it's short and sweet. 🎀

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✨ NAME ✨

sw_r_vlan_table — read from the VLAN table 🦋

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✨ SYNOPSIS ✨

int sw_r_vlan_table (struct ksz_hw *hw , u16 addr , u16 *vid , u8 *fid ,
u8 *member );

like, that's the whole signature. five things go in, an int comes out. slay. 💅

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✨ ARGUMENTS ✨

• hw — The hardware instance, aka the main character of this whole operation 🔥
• addr — The address of the table entry. like, which entry we're looking at, iykyk
• vid — Buffer to store the VID 🍓
• fid — Buffer to store the VID. (yes bestie, the page literally says VID again for fid — not me fixing it, I'm just the messenger 🙈)
• member — Buffer to store the port membership 🌸

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✨ DESCRIPTION ✨

So what does it do? sw_r_vlan_table reads an entry of the VLAN table of the switch. that's it, that's the vibe. no cap. 🫶

and the way it does it? it calls sw_r_table to get the data. teamwork makes the dream work, fr fr. ✨

Return 0 if the entry is valid; otherwise -1. 🎀 (so check that return value, bestie, don't just vibe past it.)

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🌈 SEE ALSO 🌈

okay this part is a lot and I'm obsessed. the whole friend group shows up here — starting with the Kernel file ./drivers/net/ethernet/micrel/ksz884x.c, then the structs: struct ksz_hw_desc(9), struct ksz_sw_desc(9), struct ksz_dma_buf(9), struct ksz_desc(9), struct ksz_desc_info(9), struct ksz_mac_table(9), struct ksz_vlan_table(9), struct ksz_port_mib(9), struct ksz_port_cfg(9), struct ksz_switch(9), struct ksz_port_info(9), struct ksz_hw(9), struct ksz_port(9), struct ksz_timer_info(9), struct ksz_shared_mem(9), struct ksz_counter_info(9), struct dev_info(9), struct dev_priv(9). iconic lineup 💜

then the function besties, part one: hw_turn_on_intr(9), hw_block_intr(9), sw_r_table(9), sw_w_table_64(9), sw_w_sta_mac_table(9), port_r_mib_cnt(9), port_r_mib_pkt(9), port_r_cnt(9), port_init_cnt(9), port_cfg(9), port_r8(9), port_r16(9), port_w16(9), sw_chk(9), sw_cfg(9), sw_cfg_broad_storm(9), sw_get_broad_storm(9), sw_dis_broad_storm(9), sw_ena_broad_storm(9), sw_init_broad_storm(9), hw_cfg_broad_storm(9), sw_dis_prio_rate(9), sw_init_prio_rate(9), sw_dis_diffserv(9), sw_dis_802_1p(9), sw_cfg_replace_null_vid(9), sw_cfg_replace_vid(9), sw_cfg_port_based(9), sw_dis_multi_queue(9), sw_init_prio(9), port_get_def_vid(9), sw_init_vlan(9), sw_cfg_port_base_vlan(9), sw_set_addr(9), sw_set_global_ctrl(9), port_set_stp_state(9), sw_clr_sta_mac_table(9), sw_init_stp(9), sw_block_addr(9) 🧚

part two, the phy/wol girlies: hw_r_phy(9), hw_w_phy(9), eeprom_read(9), eeprom_write(9), port_get_link_speed(9), port_set_link_speed(9), port_force_link_speed(9), hw_chk_wol_pme_status(9), hw_clr_wol_pme_status(9), hw_cfg_wol_pme(9), hw_cfg_wol(9), hw_set_wol_frame(9), hw_add_wol_arp(9), hw_add_wol_bcast(9), hw_add_wol_mcast(9), hw_add_wol_ucast(9), hw_enable_wol(9) 😭

part three, hw everything: hw_init(9), hw_reset(9), hw_setup(9), hw_setup_intr(9), hw_set_desc_base(9), hw_start_rx(9), hw_stop_rx(9), hw_start_tx(9), hw_stop_tx(9), hw_disable(9), hw_enable(9), hw_alloc_pkt(9), hw_send_pkt(9), hw_set_addr(9), hw_read_addr(9), hw_clr_multicast(9), hw_set_grp_addr(9), hw_set_multicast(9), hw_set_promiscuous(9), sw_enable(9), sw_setup(9) ⭐

part four, timers/descriptors/memory: ksz_start_timer(9), ksz_stop_timer(9), ksz_alloc_soft_desc(9), ksz_alloc_desc(9), free_dma_buf(9), ksz_init_rx_buffers(9), ksz_alloc_mem(9), ksz_free_desc(9), ksz_free_buffers(9), ksz_free_mem(9), send_packet(9), transmit_cleanup(9), tx_done(9), netdev_tx(9), netdev_tx_timeout(9), netdev_intr(9), netdev_close(9), netdev_open(9), netdev_query_statistics(9), netdev_set_mac_address(9), netdev_set_rx_mode(9), netdev_ioctl(9), mdio_read(9), mdio_write(9) 💖

and the finale, the netdev/ethtool crew: netdev_get_link_ksettings(9), netdev_set_link_ksettings(9), netdev_nway_reset(9), netdev_get_link(9), netdev_get_drvinfo(9), netdev_get_regs_len(9), netdev_get_regs(9), netdev_get_wol(9), netdev_set_wol(9), netdev_get_msglevel(9), netdev_set_msglevel(9), netdev_get_eeprom_len(9), netdev_get_eeprom(9), netdev_set_eeprom(9), netdev_get_pauseparam(9), netdev_set_pauseparam(9), netdev_get_ringparam(9), netdev_get_strings(9), netdev_get_sset_count(9), netdev_get_ethtool_stats(9), netdev_set_features(9), dev_monitor(9), netdev_init(9) 👑

periodt. that's the whole guest list. 💀

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and that's the page!! mwah 💋 this cutie comes to you from ./drivers/net/ethernet/micrel, dated October 2026 — go read the source, bestie, it's giving main character energy 🌟🫶