97 struct channel_data {  struct
107 	char *(*setup_rx)(struct channel_data *channel, int size);  argument
109 	int (*rx_done)(struct channel_data *channel);  argument
111 	int (*tx_done)(struct channel_data *channel, int size);  argument
114 	struct mutex rlock;
115 	struct semaphore wsem;
116 	char *rxdata;
117 	int rxsize;
118 	wait_queue_head_t txwaitq, rxwaitq;
119 	int tx_status, rx_status;
122 	struct net_device *netdev;
146 	struct channel_data *rxchan;  argument