net/can/bcm.c

120 	void *frames;
304 	cf = op->frames + op->cfsiz * op->currframe;
350  *                    (consisting of bcm_msg_head + x CAN frames)
353 			     struct canfd_frame *frames, int has_timestamp)
379 		/* CAN frames starting here */
382 		skb_put_data(skb, frames, datalen);
565 	struct canfd_frame *cf = op->frames + op->cfsiz * index;
618 		/* clear received CAN frames to indicate 'nothing received' */
724 		/* send reply for RTR-request (placed in op->frames[0]) */
760 			if ((get_u64(op->frames, 0) & get_u64(rxframe, 0)) ==
761 			    (get_u64(op->frames, 0) &
762 			     get_u64(op->frames + op->cfsiz * i, 0))) {
795 	if ((op->frames) && (op->frames != &op->sframe))
796 		kfree(op->frames);
914 	bcm_send_to_user(op, msg_head, op->frames, 0);
931 	/* we need a real device to send frames */
949 		 * Do we need more space for the CAN frames than currently
956 		/* update CAN frames content */
959 			cf = op->frames + op->cfsiz * i;
1017 		/* create array for CAN frames and copy the data */
1019 			op->frames = kmalloc_array(msg_head->nframes,
1022 			if (!op->frames) {
1027 			op->frames = &op->sframe;
1031 			cf = op->frames + op->cfsiz * i;
1100 	if (op->frames != &op->sframe)
1101 		kfree(op->frames);
1143 		 * Do we need more space for the CAN frames than currently
1151 			/* update CAN frames content */
1152 			err = memcpy_from_msg(op->frames, msg,
1179 			/* create array for CAN frames and copy the data */
1180 			op->frames = kmalloc_array(msg_head->nframes,
1183 			if (!op->frames) {
1188 			/* create and init array for received CAN frames */
1193 				kfree(op->frames);
1199 			op->frames = &op->sframe;
1204 			err = memcpy_from_msg(op->frames, msg,
1207 				if (op->frames != &op->sframe)
1208 					kfree(op->frames);
1240 		struct canfd_frame *frame0 = op->frames;
1324 	/* we need a real device to send frames */