diff options
| author | julian <julian@FreeBSD.org> | 1997-06-11 20:15:50 +0000 |
|---|---|---|
| committer | julian <julian@FreeBSD.org> | 1997-06-11 20:15:50 +0000 |
| commit | 8022bba3f4c54d3b3614269a0eff4fccf6b283a1 (patch) | |
| tree | 454075c3d5d3f97c14b70db19146392c7a1f3108 /sys/net/if_tun.c | |
| parent | dad173c0c8588a4ace24e3e2fa4cf8bfc3fc954e (diff) | |
| download | FreeBSD-src-8022bba3f4c54d3b3614269a0eff4fccf6b283a1.zip FreeBSD-src-8022bba3f4c54d3b3614269a0eff4fccf6b283a1.tar.gz | |
As the Tunnel device has no real inherrent MRU limit,
so don't enforce the MTU as an MRU. Allow bidirectional ppp MTU
negotiation, by checking against a differnt figure for MRU.
Make it large enough for ATM frames at least.
Submitted by: archie@whistle.com (archie cobbs)
Diffstat (limited to 'sys/net/if_tun.c')
| -rw-r--r-- | sys/net/if_tun.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/net/if_tun.c b/sys/net/if_tun.c index c66360b..6e21780 100644 --- a/sys/net/if_tun.c +++ b/sys/net/if_tun.c @@ -511,7 +511,7 @@ tunwrite(dev_t dev, struct uio *uio, int flag) TUNDEBUG("%s%d: tunwrite\n", ifp->if_name, ifp->if_unit); - if (uio->uio_resid < 0 || uio->uio_resid > ifp->if_mtu) { + if (uio->uio_resid < 0 || uio->uio_resid > TUNMRU) { TUNDEBUG("%s%d: len=%d!\n", ifp->if_name, ifp->if_unit, uio->uio_resid); return EIO; |
