* chunk of data should be pushed out. It obtains a pointer to the data to be
* sent out as well as its length from mmd->afd.afhi. This information is then
* passed to each supported sender's send() function as well as to the send()
* chunk of data should be pushed out. It obtains a pointer to the data to be
* sent out as well as its length from mmd->afd.afhi. This information is then
* passed to each supported sender's send() function as well as to the send()