Well, the old slip-open behavior was not correspond to the TTY logic. So, is it possible to fix VPND instead of reverting the patch? Greg, what do you think about it?
2011/7/22 Ben Hutchings <[email protected]>: > On Fri, 2011-07-22 at 08:30 -0300, SUPORTE - Kernel Informática wrote: >> I had a debian squeeze with 3 slips connection, sl0, sl1 and sl2 on >> working VPND solution. Its using the kernel version >> linux-image-2.6.32-5-amd64_2.6.32-31_amd64 so I upgrade it to >> linux-image-2.6.32-5-amd64_2.6.32-35_amd64 and the slip interface dont >> fork to sl1 any more! example: When I start the first connection its >> works well with sl0 interface so when i start second and third >> connections its bind interface sl0 too chasing the first one! they dont >> fork to sl1 and sl2 any more! >> Maybe this is a BUG on this patch? >> >> When I found this problem I stop to upgrade my others squeeze solution >> using VPND with slip interface! > > vpnd (source: <http://vpnd.linuxsys.com/archive/vpnd-1.1.4.tar.gz>) > expects to get the SLIP unit number when setting SLIP line discipline: > > /* set line discipline to SLIP, react to errors */ > > #ifdef LINUX > i=N_SLIP; > if((anchor->proxy=ioctl(anchor->tty,TIOCSETD,&i))<0) > JUMP("ioctl(TIOCSETD)",err3); > #elif defined(FreeBSD) || defined(OSNetBSD) || defined(OSOpenBSD) > ... > /* create interface name */ > > memset(&ifr,0,sizeof(ifr)); > sprintf(ifr.ifr_name,"sl%u",anchor->proxy); > > But in commit 057bef938896e6266ae24ec4266d24792d27c29a the behaviour of > slip_open() and hence ioctl TIOCSETD was changed so that the unit number > is no longer returned. > > It looks like applications are supposed to use the ioctl SIOCGIFNAME to > find the net device name. But clearly the driver was previously > returning the unit number and applications did depend on this. So I > think this change has to be reverted and the TTY layer will have to > accept positive return values from ldisc open(). > > Ben. > > -- > Ben Hutchings > Absolutum obsoletum. (If it works, it's out of date.) - Stafford Beer > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.10 (GNU/Linux) > > iQIVAwUBTinASee/yOyVhhEJAQqX8hAAoouFWS/Rm+mOXw8FPVGKtGQauUtILS37 > ZC1KCZizfITrTjlfXo+3f8hnAUzv/FlRLW6YBNFIaMhGgEnCV74lqYIyzyJ+K8iR > ZXixzIKFhwn51dSgGVjUSJOUH5f66dHTn7IhlOXZ6qJWgNR7oNi4NWyX9F06M0gp > fGPMzQnkdSWIk1+IwEo6RkOOq+vJR9Xgvxbyu7jiXD+KwydCBQChDcwDr8H5BFI9 > QBWmljc9+AoalrRBNd1ekyeIIbZFUOPDyFyBdGHRDf+myCVNhlg3Z+2Ea6fKDO4u > RheGsAzicsBvWVkoZJUwXvHh+ysf7K3q8kPJn0YNAvEjlUPreOxXJxl97a/EPgtH > D8uTkaI7YaBtIy14EbGDiF4JFwaUiIJQRdQhQUvutuCypdh8HzAgmMEDeb/ikmiz > 66Hg6IMaRZMDzWndEIRRex3Bs1MgnRwktkYYZV9Lnb6xkf4OSK03lzF8ZP6tY2Ay > Tf29vK2W0ji9hdbefUr0y4G2N2eo0ydYR3TUMvWE0xpjA3b37v6ypcVT3mCGAkwx > lZb3CgX5d29EMRFpJYXlCtS2JzfHZOMoXXZU1+EMWbeRxHR//sSGGech0FHwNslK > eJtMoMgn/pAStpaq8ZMnmU/+A40UIU2QoVgMpdpBmx7g1hvgqlA7rLDvOTtAdFpp > cWqn78QK0Jc= > =zCNx > -----END PGP SIGNATURE----- > > -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/cakh5naamerk3bfbvb7yzq6o_+xvoptjggg7tpwuyydumy-i...@mail.gmail.com
