363 	struct bcm_msg_head msg_head;  in bcm_tx_timeout_tsklet()  local
371 			msg_head.opcode  = TX_EXPIRED;  in bcm_tx_timeout_tsklet()
372 			msg_head.flags   = op->flags;  in bcm_tx_timeout_tsklet()
373 			msg_head.count   = op->count;  in bcm_tx_timeout_tsklet()
374 			msg_head.ival1   = op->ival1;  in bcm_tx_timeout_tsklet()
375 			msg_head.ival2   = op->ival2;  in bcm_tx_timeout_tsklet()
376 			msg_head.can_id  = op->can_id;  in bcm_tx_timeout_tsklet()
377 			msg_head.nframes = 0;  in bcm_tx_timeout_tsklet()
379 			bcm_send_to_user(op, &msg_head, NULL, 0);  in bcm_tx_timeout_tsklet()
526 	struct bcm_msg_head msg_head;  in bcm_rx_timeout_tsklet()  local
529 	msg_head.opcode  = RX_TIMEOUT;  in bcm_rx_timeout_tsklet()
530 	msg_head.flags   = op->flags;  in bcm_rx_timeout_tsklet()
531 	msg_head.count   = op->count;  in bcm_rx_timeout_tsklet()
532 	msg_head.ival1   = op->ival1;  in bcm_rx_timeout_tsklet()
533 	msg_head.ival2   = op->ival2;  in bcm_rx_timeout_tsklet()
534 	msg_head.can_id  = op->can_id;  in bcm_rx_timeout_tsklet()
535 	msg_head.nframes = 0;  in bcm_rx_timeout_tsklet()
537 	bcm_send_to_user(op, &msg_head, NULL, 0);  in bcm_rx_timeout_tsklet()
805 static int bcm_read_op(struct list_head *ops, struct bcm_msg_head *msg_head,  in bcm_read_op()  argument
808 	struct bcm_op *op = bcm_find_op(ops, msg_head->can_id, ifindex);  in bcm_read_op()
814 	msg_head->flags   = op->flags;  in bcm_read_op()
815 	msg_head->count   = op->count;  in bcm_read_op()
816 	msg_head->ival1   = op->ival1;  in bcm_read_op()
817 	msg_head->ival2   = op->ival2;  in bcm_read_op()
818 	msg_head->nframes = op->nframes;  in bcm_read_op()
820 	bcm_send_to_user(op, msg_head, op->frames, 0);  in bcm_read_op()
828 static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,  in bcm_tx_setup()  argument
841 	if (msg_head->nframes < 1 || msg_head->nframes > MAX_NFRAMES)  in bcm_tx_setup()
845 	op = bcm_find_op(&bo->tx_ops, msg_head->can_id, ifindex);  in bcm_tx_setup()
855 		if (msg_head->nframes > op->nframes)  in bcm_tx_setup()
859 		for (i = 0; i < msg_head->nframes; i++) {  in bcm_tx_setup()
868 			if (msg_head->flags & TX_CP_CAN_ID) {  in bcm_tx_setup()
870 				op->frames[i].can_id = msg_head->can_id;  in bcm_tx_setup()
881 		op->can_id    = msg_head->can_id;  in bcm_tx_setup()
884 		if (msg_head->nframes > 1) {  in bcm_tx_setup()
885 			op->frames = kmalloc(msg_head->nframes * CFSIZ,  in bcm_tx_setup()
894 		for (i = 0; i < msg_head->nframes; i++) {  in bcm_tx_setup()
907 			if (msg_head->flags & TX_CP_CAN_ID) {  in bcm_tx_setup()
909 				op->frames[i].can_id = msg_head->can_id;  in bcm_tx_setup()
936 	if (op->nframes != msg_head->nframes) {  in bcm_tx_setup()
937 		op->nframes   = msg_head->nframes;  in bcm_tx_setup()
944 	op->flags = msg_head->flags;  in bcm_tx_setup()
953 		op->count = msg_head->count;  in bcm_tx_setup()
954 		op->ival1 = msg_head->ival1;  in bcm_tx_setup()
955 		op->ival2 = msg_head->ival2;  in bcm_tx_setup()
956 		op->kt_ival1 = timeval_to_ktime(msg_head->ival1);  in bcm_tx_setup()
957 		op->kt_ival2 = timeval_to_ktime(msg_head->ival2);  in bcm_tx_setup()
979 	return msg_head->nframes * CFSIZ + MHSIZ;  in bcm_tx_setup()
985 static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,  in bcm_rx_setup()  argument
993 	if ((msg_head->flags & RX_FILTER_ID) || (!(msg_head->nframes))) {  in bcm_rx_setup()
995 		msg_head->flags |= RX_FILTER_ID;  in bcm_rx_setup()
997 		msg_head->nframes = 0;  in bcm_rx_setup()
1001 	if (msg_head->nframes > MAX_NFRAMES + 1)  in bcm_rx_setup()
1004 	if ((msg_head->flags & RX_RTR_FRAME) &&  in bcm_rx_setup()
1005 	    ((msg_head->nframes != 1) ||  in bcm_rx_setup()
1006 	     (!(msg_head->can_id & CAN_RTR_FLAG))))  in bcm_rx_setup()
1010 	op = bcm_find_op(&bo->rx_ops, msg_head->can_id, ifindex);  in bcm_rx_setup()
1019 		if (msg_head->nframes > op->nframes)  in bcm_rx_setup()
1022 		if (msg_head->nframes) {  in bcm_rx_setup()
1025 					      msg_head->nframes * CFSIZ);  in bcm_rx_setup()
1030 			memset(op->last_frames, 0, msg_head->nframes * CFSIZ);  in bcm_rx_setup()
1033 		op->nframes = msg_head->nframes;  in bcm_rx_setup()
1044 		op->can_id    = msg_head->can_id;  in bcm_rx_setup()
1045 		op->nframes   = msg_head->nframes;  in bcm_rx_setup()
1047 		if (msg_head->nframes > 1) {  in bcm_rx_setup()
1049 			op->frames = kmalloc(msg_head->nframes * CFSIZ,  in bcm_rx_setup()
1057 			op->last_frames = kzalloc(msg_head->nframes * CFSIZ,  in bcm_rx_setup()
1070 		if (msg_head->nframes) {  in bcm_rx_setup()
1072 					      msg_head->nframes * CFSIZ);  in bcm_rx_setup()
1114 	op->flags = msg_head->flags;  in bcm_rx_setup()
1135 			op->ival1 = msg_head->ival1;  in bcm_rx_setup()
1136 			op->ival2 = msg_head->ival2;  in bcm_rx_setup()
1137 			op->kt_ival1 = timeval_to_ktime(msg_head->ival1);  in bcm_rx_setup()
1138 			op->kt_ival2 = timeval_to_ktime(msg_head->ival2);  in bcm_rx_setup()
1186 	return msg_head->nframes * CFSIZ + MHSIZ;  in bcm_rx_setup()
1241 	struct bcm_msg_head msg_head;  in bcm_sendmsg()  local
1284 	ret = memcpy_from_msg((u8 *)&msg_head, msg, MHSIZ);  in bcm_sendmsg()
1290 	switch (msg_head.opcode) {  in bcm_sendmsg()
1293 		ret = bcm_tx_setup(&msg_head, msg, ifindex, sk);  in bcm_sendmsg()
1297 		ret = bcm_rx_setup(&msg_head, msg, ifindex, sk);  in bcm_sendmsg()
1301 		if (bcm_delete_tx_op(&bo->tx_ops, msg_head.can_id, ifindex))  in bcm_sendmsg()
1308 		if (bcm_delete_rx_op(&bo->rx_ops, msg_head.can_id, ifindex))  in bcm_sendmsg()
1316 		msg_head.opcode  = TX_STATUS;  in bcm_sendmsg()
1317 		ret = bcm_read_op(&bo->tx_ops, &msg_head, ifindex);  in bcm_sendmsg()
1322 		msg_head.opcode  = RX_STATUS;  in bcm_sendmsg()
1323 		ret = bcm_read_op(&bo->rx_ops, &msg_head, ifindex);  in bcm_sendmsg()
1328 		if ((msg_head.nframes != 1) || (size != CFSIZ + MHSIZ))  in bcm_sendmsg()