161 	struct can_isotp_ll_options ll;  member
221 	nskb = alloc_skb(so->ll.mtu + sizeof(struct can_skb_priv), gfp_any());  in isotp_send_fc()
238 	skb_put_zero(nskb, so->ll.mtu);  in isotp_send_fc()
257 	ncf->flags = so->ll.tx_flags;  in isotp_send_fc()
656 	if (skb->len != so->ll.mtu)  in isotp_rcv()
775 	skb = alloc_skb(so->ll.mtu + sizeof(struct can_skb_priv), GFP_ATOMIC);  in isotp_send_cframe()
786 	skb_put_zero(skb, so->ll.mtu);  in isotp_send_cframe()
796 	cf->flags = so->ll.tx_flags;  in isotp_send_cframe()
1003 	skb = sock_alloc_send_skb(sk, so->ll.mtu + sizeof(struct can_skb_priv),  in isotp_sendmsg()
1018 	skb_put_zero(skb, so->ll.mtu);  in isotp_sendmsg()
1084 	cf->flags = so->ll.tx_flags;  in isotp_sendmsg()
1316 	if (READ_ONCE(dev->mtu) < so->ll.mtu) {  in isotp_bind()
1441 			struct can_isotp_ll_options ll;  in isotp_setsockopt_locked()  local
1443 			if (copy_from_sockptr(&ll, optval, optlen))  in isotp_setsockopt_locked()
1447 			if (ll.tx_dl != padlen(ll.tx_dl))  in isotp_setsockopt_locked()
1450 			if (ll.mtu != CAN_MTU && ll.mtu != CANFD_MTU)  in isotp_setsockopt_locked()
1453 			if (ll.mtu == CAN_MTU &&  in isotp_setsockopt_locked()
1454 			    (ll.tx_dl > CAN_MAX_DLEN || ll.tx_flags != 0))  in isotp_setsockopt_locked()
1457 			memcpy(&so->ll, &ll, sizeof(ll));  in isotp_setsockopt_locked()
1460 			so->tx.ll_dl = ll.tx_dl;  in isotp_setsockopt_locked()
1527 		val = &so->ll;  in isotp_getsockopt()
1624 	so->ll.mtu = CAN_ISOTP_DEFAULT_LL_MTU;  in isotp_init()
1625 	so->ll.tx_dl = CAN_ISOTP_DEFAULT_LL_TX_DL;  in isotp_init()
1626 	so->ll.tx_flags = CAN_ISOTP_DEFAULT_LL_TX_FLAGS;  in isotp_init()
1629 	so->tx.ll_dl = so->ll.tx_dl;  in isotp_init()