if_usb_host_to_card(9)

✨ NAME ✨

okay bestie, welcome to the Kernel API Manual page for if_usb_host_to_card(9) 💅 this one is literally called “Download data to the device,” and it’s here to help you get data over to the device. no cap.

🌸 SYNOPSIS 🌸

the signature, exactly as it appears, no edits, no vibes-based rewrites:

int if_usb_host_to_card (struct lbtf_private *priv , uint8_t type , uint8_t *payload , uint16_t nb );

🎀 ARGUMENTS 🎀

• priv — pointer to struct lbtf_private structure. that’s the private struct pointer, bestie
• type — type of data. this one tells you the type of data
• payload — pointer to payload buffer. the payload buffer pointer lives here
• nb — number of bytes. the byte count, periodt

🦋 RETURN 🦋

return-value vibe check: 0 on success, slay — nonzero otherwise, not slay 😭

💖 SEE ALSO 💖

the whole squad, no one left out:

• Kernel file ./drivers/net/wireless/marvell/libertas_tf/if_usb.c
• if_usb_write_bulk_callback(9)
• if_usb_free(9)
• if_usb_probe(9)
• if_usb_disconnect(9)
• if_usb_send_fw_pkt(9)
• usb_tx_block(9)
• if_usb_receive(9)
• if_usb_issue_boot_command(9)
• check_fwfile_format(9)

cute sign-off time 🫶 the source/version footer says ./drivers/net/wireless/marvell..., the date is October 2026, and yes, this is still the if_usb_host_to_card(9) page — mwah 💖