usb_endpoint_maxp_mult(9)

✨ NAME ✨

okay so usb_endpoint_maxp_mult(9) — straight out of the Kernel API Manual — is the little helper whose whole vibe is to get the endpoint's transactional opportunities 💫 no cap, that's literally the assignment.

🌸 SYNOPSIS 🌸

int usb_endpoint_maxp_mult (const struct usb_endpoint_descriptor *epd );

🎀 ARGUMENTS 🎀

• epd — the endpoint to be checked 👀 bestie, hand it the endpoint and let it do its thing.

🦋 DESCRIPTION 🦋

It returns epd's wMaxPacketSize[12:11] + 1 ✨ that's the whole bit. Iconic, short, and lowkey doing exactly what it says 💅

💜 SEE ALSO 💜

• Kernel file ./include/uapi/linux/usb/ch9.h, and struct usb_ctrlrequest(9) — the lore source 🧚
• usb_endpoint_num(9)
• usb_endpoint_type(9)
• usb_endpoint_dir_in(9)
• usb_endpoint_dir_out(9)
• usb_endpoint_xfer_bulk(9)
• usb_endpoint_xfer_control(9)
• usb_endpoint_xfer_int(9)
• usb_endpoint_xfer_isoc(9)
• usb_endpoint_is_bulk_in(9)
• usb_endpoint_is_bulk_out(9)
• usb_endpoint_is_int_in(9)
• usb_endpoint_is_int_out(9)
• usb_endpoint_is_isoc_in(9)
• usb_endpoint_is_isoc_out(9)
• usb_endpoint_maxp(9)

okay that's the page, bestie 🫶 the source/version is ./include/uapi/linux/usb, dated October 2026, and it's all about usb_endpoint_maxp_mult(9) 💖 mwah 💅