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Lines 677-682
Link Here
|
| 677 |
if (error) |
677 |
if (error) |
| 678 |
return (error); |
678 |
return (error); |
| 679 |
} |
679 |
} |
|
|
680 |
switch (tunp->type) { |
| 681 |
case IFT_PPP: |
| 682 |
break; |
| 683 |
/* |
| 684 |
* NOTE! - Add more types only when the code has |
| 685 |
* been modified to also reserve the appropriate |
| 686 |
* data structures. Otherwise any operation on |
| 687 |
* the device WILL panic() the system due to |
| 688 |
* a page fault while in kernel mode. |
| 689 |
*/ |
| 690 |
default: |
| 691 |
return (ENODEV); |
| 692 |
break; |
| 693 |
} |
| 680 |
mtx_lock(&tp->tun_mtx); |
694 |
mtx_lock(&tp->tun_mtx); |
| 681 |
TUN2IFP(tp)->if_mtu = tunp->mtu; |
695 |
TUN2IFP(tp)->if_mtu = tunp->mtu; |
| 682 |
TUN2IFP(tp)->if_type = tunp->type; |
696 |
TUN2IFP(tp)->if_type = tunp->type; |
|
Lines 939-952
Link Here
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| 939 |
struct tun_softc *tp = dev->si_drv1; |
953 |
struct tun_softc *tp = dev->si_drv1; |
| 940 |
struct ifnet *ifp = TUN2IFP(tp); |
954 |
struct ifnet *ifp = TUN2IFP(tp); |
| 941 |
int revents = 0; |
955 |
int revents = 0; |
| 942 |
struct mbuf *m; |
|
|
| 943 |
|
956 |
|
| 944 |
TUNDEBUG(ifp, "tunpoll\n"); |
957 |
TUNDEBUG(ifp, "tunpoll\n"); |
| 945 |
|
958 |
|
| 946 |
if (events & (POLLIN | POLLRDNORM)) { |
959 |
if (events & (POLLIN | POLLRDNORM)) { |
| 947 |
IFQ_LOCK(&ifp->if_snd); |
960 |
IFQ_LOCK(&ifp->if_snd); |
| 948 |
IFQ_POLL_NOLOCK(&ifp->if_snd, m); |
961 |
if (!IFQ_IS_EMPTY(&ifp->if_snd)) { |
| 949 |
if (m != NULL) { |
|
|
| 950 |
TUNDEBUG(ifp, "tunpoll q=%d\n", ifp->if_snd.ifq_len); |
962 |
TUNDEBUG(ifp, "tunpoll q=%d\n", ifp->if_snd.ifq_len); |
| 951 |
revents |= events & (POLLIN | POLLRDNORM); |
963 |
revents |= events & (POLLIN | POLLRDNORM); |
| 952 |
} else { |
964 |
} else { |