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Reinstate linux_ifname. Although the Linuxulator doesn't use it

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itself, it's used outside the Linuxulator. Reimplement the
function so that its behaviour matches the current renaming
scheme. It's probably better to formalize these interdependencies.
This commit is contained in:
Marcel Moolenaar 2002-01-15 03:10:33 +00:00
parent 74aac58b52
commit bea90c29cf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=89379
1 changed files with 27 additions and 0 deletions
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27
sys/compat/linux/linux_ioctl.c
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@ -1817,6 +1817,33 @@ linux_ioctl_console(struct thread *td, struct linux_ioctl_args *args)
*/
#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
/*
* Interface function used by linprocfs (at the time of writing). It's not
* used by the Linuxulator itself.
*/
int
linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen)
{
struct ifnet *ifscan;
int ethno;
/* Short-circuit non ethernet interfaces */
if (!IFP_IS_ETH(ifp))
return (snprintf(buffer, buflen, "%s%d", ifp->if_name,
ifp->if_unit));
/* Determine the (relative) unit number for ethernet interfaces */
ethno = 0;
TAILQ_FOREACH(ifscan, &ifnet, if_link) {
if (ifscan == ifp)
return (snprintf(buffer, buflen, "eth%d", ethno));
if (IFP_IS_ETH(ifscan))
ethno++;
}
return (0);
}
/*
* Translate a Linux interface name to a FreeBSD interface name,
* and return the associated ifnet structure