diff options
| author | Jeremy Kerr <jk@codeconstruct.com.au> | 2026-07-24 13:15:22 +0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-07-30 16:54:58 -0700 |
| commit | 2f2e974f8fbe8a19311842afaf66394f4caa0ae4 (patch) | |
| tree | 291a7786a13c6023fbac903ab6a622d3b1eb1696 /include/linux | |
| parent | 8e4d7d120734936cb961d9dc46b788e0487d3256 (diff) | |
net: mctp: usb: Include version indicator in max packet size defines
DSP0283 v1.1.0 will introduce larger maximum packet sizes. In
preparation, indicate that the current maxima are specific to v1.0.x.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://patch.msgid.link/20260724-dev-mctp-usb-1-1-v5-1-e66bbba0dbdc@codeconstruct.com.au
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/usb/mctp-usb.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/usb/mctp-usb.h b/include/linux/usb/mctp-usb.h index a2f6f1e04efb..47e2e3931d63 100644 --- a/include/linux/usb/mctp-usb.h +++ b/include/linux/usb/mctp-usb.h @@ -21,10 +21,11 @@ struct mctp_usb_hdr { u8 len; } __packed; -#define MCTP_USB_XFER_SIZE 512 +/* max transfer size for DSP0283 v1.0 */ +#define MCTP_USB_1_0_XFER_SIZE 512 #define MCTP_USB_BTU 68 #define MCTP_USB_MTU_MIN MCTP_USB_BTU -#define MCTP_USB_MTU_MAX (U8_MAX - sizeof(struct mctp_usb_hdr)) +#define MCTP_USB_1_0_MTU_MAX (U8_MAX - sizeof(struct mctp_usb_hdr)) #define MCTP_USB_DMTF_ID 0x1ab4 #endif /* __LINUX_USB_MCTP_USB_H */ |