usb_endpoin...odic_payload(9)

🎀 usb_endpoint_max_periodic_payload 🎀

okay so welcome to the Kernel API Manual page for usb_endpoint_max_periodic_payload, bestie 💖 this one is short, iconic, and here to tell you the max payload tea ✨

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✨ NAME ✨

usb_endpoint_max_periodic_payload — get the maximum payload bytes per service interval 💅

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🦋 SYNOPSIS 🦋

u32 usb_endpoint_max_periodic_payload (struct usb_device *udev , const
struct usb_host_endpoint *ep );

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🌸 ARGUMENTS 🌸

• udev — the USB device, aka the main character of this little function story 👑
• ep — the endpoint we're checking, no cap 🫶

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🌈 RETURN 🌈

It returns the maximum number of bytes that isochronous or interrupt endpoint ep can transfer during a service interval. For other endpoints? It's 0 — not invited to the payload party 💀✨

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👀 SEE ALSO 👀

Kernel file ./drivers/usb/core/usb.c — that's where the source lives, periodt 📁

• usb_find_common_endpoints(9)
• usb_find_common_endpoints_reverse(9)
• usb_find_endpoint(9)
• usb_check_bulk_endpoints(9)
• usb_check_int_endpoints(9)
• usb_find_alt_setting(9)
• usb_ifnum_to_if(9)
• usb_altnum_to_altsetting(9)
• usb_find_interface(9)
• usb_for_each_dev(9)
• usb_release_dev(9)
• usb_alloc_dev(9)
• usb_get_dev(9)
• usb_put_dev(9)
• usb_get_intf(9)
• usb_put_intf(9)
• usb_intf_get_dma_device(9)
• usb_lock_device_for_reset(9)
• usb_get_current_frame_number(9)
• usb_alloc_coherent(9)
• usb_free_coherent(9)
• usb_alloc_noncoherent(9)
• usb_free_noncoherent(9)
• usb_endpoint_is_hs_isoc_double(9)

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okay that's the whole page, bestie 🫶 source is ./drivers/usb/core, dated October 2026, and it's all part of the Kernel API Manual — mwah 💋✨