ctl_send_func

Declaration

typedef errno_t (*ctl_send_func)(kern_ctl_ref kctlref, u_int32_t unit, void *unitinfo, mbuf_t m, int flags);

kctlref:
The control ref of the kernel control.
unit:
The unit number of the kernel control instance the client has connected to.
unitinfo:
The user-defined private data initialized by the ctl_connect_func callback.
m:
The data sent by the client to the kernel control in an mbuf chain. Your function is responsible for releasing the mbuf chain.
flags:
The flags specified by the client when calling send/sendto/sendmsg (MSG_OOB/MSG_DONTROUTE).

The ctl_send_func is used to receive data sent from the client to the kernel control.