ice_ptp_init_tx_e82x(9)

💖 ice_ptp_init_tx_e82x — a Kernel API Manual moment 💖

okay so bestie, we're in the kernel API manual today, and this one is literally the function that sets up Tx timestamp tracking. yes ma'am, timestamps. from the ./drivers/net/ethernet/intel/ice girlies. let's get into it 🫶

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✨ NAME ✨

ice_ptp_init_tx_e82x — Initialize tracking for Tx timestamps

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🌸 SYNOPSIS 🌸

int ice_ptp_init_tx_e82x (struct ice_pf *pf , struct ice_ptp_tx *tx , u8
port );

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🎀 ARGUMENTS 🎀

• pf — Board private structure. yes the whole board's business lives in here 💅
• tx — the Tx tracking structure to initialize. this is the one we're setting up, main character energy fr fr
• port — the port this structure tracks. one port, one tracker, that's the vibe 👑

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🦋 DESCRIPTION 🦋

okay so here's the situation: this function initializes the Tx timestamp tracker for this port. iconic. but wait, there's lore 👀

For generic MAC devices, the timestamp block is shared for all ports in the same quad. shared!! like a group chat for registers 😭 so to avoid ports using the same timestamp index (which would be a whole mess, ngl), the function logically breaks the block of registers into chunks based on the port number. slay, no collisions, no drama ✨

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⭐ RETURN ⭐

• 0 on success 🎉
• -ENOMEM when out of memory 💀 (memory said "not today bestie")

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👑 SEE ALSO 👑

Kernel file ./drivers/net/ethernet/intel/ice/ice_ptp.c

and literally the entire extended universe, no cap:

ice_ptp_find_pin_idx(9), ice_ptp_cfg_tx_interrupt(9), ice_set_rx_tstamp(9), ice_ptp_disable_timestamp_mode(9), ice_ptp_restore_timestamp_mode(9), ice_ptp_read_src_clk_reg(9), ice_ptp_extend_32b_ts(9), ice_ptp_extend_40b_ts(9), ice_ptp_is_tx_tracker_up(9), ice_ptp_req_tx_single_tstamp(9), ice_ptp_complete_tx_single_tstamp(9), ice_ptp_process_tx_tstamp(9), ice_ptp_alloc_tx_tracker(9), ice_ptp_flush_tx_tracker(9), ice_ptp_mark_tx_tracker_stale(9), ice_ptp_flush_all_tx_tracker(9), ice_ptp_release_tx_tracker(9), ice_ptp_init_tx(9), ice_ptp_update_cached_phctime(9), ice_ptp_reset_cached_phctime(9), ice_ptp_write_init(9), ice_ptp_write_adj(9), ice_base_incval(9), ice_ptp_check_tx_fifo(9), ice_ptp_wait_for_offsets(9), ice_ptp_port_phy_stop(9), ice_ptp_port_phy_restart(9), ice_ptp_link_change(9), ice_ptp_cfg_phy_interrupt(9), ice_ptp_reset_phy_timestamping(9), ice_ptp_restart_all_phy(9), ice_ptp_adjfine(9), ice_ptp_extts_event(9), ice_ptp_cfg_extts(9), ice_ptp_disable_all_extts(9), ice_ptp_enable_all_extts(9), ice_ptp_write_perout(9), ice_ptp_cfg_perout(9), ice_ptp_disable_all_perout(9), ice_ptp_enable_all_perout(9), ice_verify_pin(9), ice_ptp_gpio_enable(9), ice_ptp_gettimex64(9), ice_ptp_settime64(9), ice_ptp_adjtime_nonatomic(9), ice_ptp_adjtime(9), struct ice_crosststamp_cfg(9), struct ice_crosststamp_ctx(9), ice_capture_crosststamp(9), ice_ptp_getcrosststamp(9), ice_ptp_hwtstamp_get(9), ice_ptp_set_timestamp_mode(9), ice_ptp_hwtstamp_set(9), ice_ptp_get_rx_hwts(9), ice_ptp_setup_pin_cfg(9), ice_ptp_disable_pins(9), ice_ptp_parse_sdp_entries(9), ice_ptp_set_funcs_e82x(9), ice_ptp_set_funcs_e810(9), ice_ptp_set_funcs_e830(9), ice_ptp_set_caps(9), ice_ptp_create_clock(9), ice_ptp_request_ts(9), ice_ptp_ts_irq(9), ice_ptp_maybe_trigger_tx_interrupt(9), ice_ptp_queue_work(9), ice_ptp_prepare_rebuild_sec(9), ice_ptp_prepare_for_reset(9), ice_ptp_rebuild_owner(9), ice_ptp_rebuild(9), ice_ptp_clock_index(9), ice_ptp_init_owner(9), ice_ptp_init_work(9), ice_ptp_init_port(9), ice_ptp_init_tx_interrupt_mode(9), ice_ptp_init(9), ice_ptp_release(9)

that's the whole friend group, go say hi 💜

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mwah, that's the page 🎀 this little gem lives in ./drivers/net/ethernet/intel/ice, dated October 2026, from the Kernel API Manual — go forth and timestamp your Tx like the icon you are 💅✨