diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/usb/mctp-usb.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/usb/mctp-usb.h b/include/linux/usb/mctp-usb.h index 2bece8afd1c7..595e6af16dd0 100644 --- a/include/linux/usb/mctp-usb.h +++ b/include/linux/usb/mctp-usb.h @@ -13,6 +13,8 @@ #ifndef __LINUX_USB_MCTP_USB_H #define __LINUX_USB_MCTP_USB_H +#include <linux/netdevice.h> +#include <linux/skbuff.h> #include <linux/types.h> struct mctp_usb_hdr { @@ -29,4 +31,28 @@ struct mctp_usb_hdr { #define MCTP_USB_1_0_MTU_MAX (MCTP_USB_1_0_PKTLEN_MAX - sizeof(struct mctp_usb_hdr)) #define MCTP_USB_DMTF_ID 0x1ab4 +/* mctp-usblib */ + +/* + * RX handle: drivers will typically create one on init, which persists for + * the life of the driver. The same handle is used for progressive + * prepare -> complete operations (for each incoming USB transfer), which + * result in netif_rx()-ing the MCTP packets received + */ +struct mctp_usblib_rx { + struct sk_buff *skb; +}; + +void mctp_usblib_rx_init(struct mctp_usblib_rx *rx); +void mctp_usblib_rx_fini(struct mctp_usblib_rx *rx); + +int mctp_usblib_rx_prepare(struct net_device *netdev, + struct mctp_usblib_rx *rx, + void **bufp, size_t *lenp, gfp_t gfp); + +int mctp_usblib_rx_complete(struct net_device *netdev, + struct mctp_usblib_rx *rx, size_t len); + +void mctp_usblib_rx_cancel(struct mctp_usblib_rx *rx); + #endif /* __LINUX_USB_MCTP_USB_H */ |