t4_tx_hststamp(9)

🦋 t4_tx_hststamp(9) 🦋

okay so welcome to the Kernel API Manual page for t4_tx_hststamp, bestie. This is the group-chat recap, but make it kernel-core. 💖

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🌸 NAME 🌸

t4_tx_hststamp - Loopback PTP Transmit Event Message

That’s the name. That’s the whole vibe. 🎀

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✨ SYNOPSIS ✨

okay so the signature is literally right here, no cap:

int t4_tx_hststamp (struct adapter *adapter , struct sk_buff *skb ,
struct net_device *dev );

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🎀 ARGUMENTS 🎀

• adapter — the adapter. like, the actual adapter object, bestie. 🫶
• skb — the packet. literally the packet. 📦
• dev — the ingress net device. ingress, okay? the ingress one. ✨

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💜 DESCRIPTION 💜

okay so the whole serve here is: read hardware timestamp for the loopback PTP Tx event message. That’s it. No extra side quest, no drama — just pulling that hardware timestamp for the loopback PTP Tx event message. 💅

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🌈 SEE ALSO 🌈

the cross-reference friend group is huge, and we are not skipping a single one, periodt. 💅

• Kernel file: ./drivers/net/ethernet/chelsio/cxgb4/sge.c
• txq_avail(9)
• fl_cap(9)
• fl_starving(9)
• deferred_unmap_destructor(9)
• free_tx_desc(9)
• reclaim_completed_tx(9)
• cxgb4_reclaim_completed_tx(9)
• free_rx_bufs(9)
• unmap_rx_buf(9)
• refill_fl(9)
• alloc_ring(9)
• sgl_len(9)
• flits_to_desc(9)
• is_eth_imm(9)
• calc_tx_flits(9)
• cxgb4_write_sgl(9)
• cxgb4_ring_tx_db(9)
• cxgb4_inline_tx_skb(9)
• t4_sge_eth_txq_egress_update(9)
• cxgb4_eth_xmit(9)
• t4vf_is_eth_imm(9)
• t4vf_calc_tx_flits(9)
• cxgb4_vf_eth_xmit(9)
• reclaim_completed_tx_imm(9)
• cxgb4_ethofld_send_flowc(9)
• is_imm(9)
• ctrlq_check_stop(9)
• ctrl_xmit(9)
• restart_ctrlq(9)
• t4_mgmt_tx(9)
• is_ofld_imm(9)
• calc_tx_flits_ofld(9)
• txq_stop_maperr(9)
• ofldtxq_stop(9)
• service_ofldq(9)
• ofld_xmit(9)
• restart_ofldq(9)
• skb_txq(9)
• is_ctrl_pkt(9)
• t4_ofld_send(9)
• cxgb4_ofld_send(9)
• ofld_xmit_direct(9)
• t4_crypto_send(9)
• cxgb4_crypto_send(9)
• cxgb4_pktgl_to_skb(9)
• t4_pktgl_free(9)
• cxgb4_sgetim_to_hwtstamp(9)
• t4_systim_to_hwstamp(9)
• t4_rx_hststamp(9)
• t4_tx_completion_handler(9)
• t4_ethrx_handler(9)
• restore_rx_bufs(9)
• is_new_response(9)
• rspq_next(9)
• process_responses(9)
• napi_rx_handler(9)
• t4_intr_handler(9)
• bar2_address(9)
• t4_sge_alloc_eth_txq(9)
• t4_free_sge_resources(9)
• t4_sge_stop(9)
• t4_sge_init_soft(9)
• t4_sge_init(9)

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that’s the whole page, bestie 🫶 source/version: ./drivers/net/ethernet/chelsio... • date: October 2026 • manual name: t4_tx_hststamp(9). slay. 💅✨