From 081ac93ca99c2ded63a4fb78c385ebedf03560c2 Mon Sep 17 00:00:00 2001 From: Jeremy Kerr Date: Fri, 24 Jul 2026 13:15:30 +0800 Subject: net: mctp: usblib: Implement transmit-side packet spanning Add support for packet spanning as defined in DSP0283 v1.1. With the existing v1.0 implementation of multi-packet transfers, all we need here is to adjust the buffer sizes to suit v1.1. Signed-off-by: Jeremy Kerr Link: https://patch.msgid.link/20260724-dev-mctp-usb-1-1-v5-9-e66bbba0dbdc@codeconstruct.com.au Signed-off-by: Jakub Kicinski --- include/linux/usb/mctp-usb.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'include/linux') diff --git a/include/linux/usb/mctp-usb.h b/include/linux/usb/mctp-usb.h index 2979ddaa4dab..4bb04a371105 100644 --- a/include/linux/usb/mctp-usb.h +++ b/include/linux/usb/mctp-usb.h @@ -81,6 +81,7 @@ struct mctp_usblib_tx_ops { struct mctp_usblib_tx { struct mctp_usblib_tx_ops ops; void *priv; + bool span; /* protects access to cur_ctx */ spinlock_t lock; /* context to which we are adding packets, cleared on send */ @@ -88,7 +89,8 @@ struct mctp_usblib_tx { }; void mctp_usblib_tx_init(struct mctp_usblib_tx *tx, - const struct mctp_usblib_tx_ops *ops, void *priv); + const struct mctp_usblib_tx_ops *ops, void *priv, + bool span); void mctp_usblib_tx_fini(struct mctp_usblib_tx *tx); void *mctp_usblib_tx_ctx_priv(struct mctp_usblib_tx_ctx *tx_ctx); -- cgit v1.2.3