diff options
| author | Stefan Sperling <stsp@cvs.openbsd.org> | 2015-09-27 16:50:04 +0000 |
|---|---|---|
| committer | Stefan Sperling <stsp@cvs.openbsd.org> | 2015-09-27 16:50:04 +0000 |
| commit | f63ab67e3567461588a69698df0c1794287833d7 (patch) | |
| tree | dedd6266e561824a9e50aee065de49e03565c869 /sys/net/if.c | |
| parent | dee4e5bf5b6cbd465a67453a45861ca80764422a (diff) | |
Add if_setlladdr(), factored out from ifioctl(). Will be used by iwm(4) soon.
With suggestions from tedu@ and guenther@
ok kettenis@
Diffstat (limited to 'sys/net/if.c')
| -rw-r--r-- | sys/net/if.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/sys/net/if.c b/sys/net/if.c index 6968e645c27..d5460277f67 100644 --- a/sys/net/if.c +++ b/sys/net/if.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if.c,v 1.380 2015/09/13 18:15:03 mpi Exp $ */ +/* $OpenBSD: if.c,v 1.381 2015/09/27 16:50:03 stsp Exp $ */ /* $NetBSD: if.c,v 1.35 1996/05/07 05:26:04 thorpej Exp $ */ /* @@ -1568,6 +1568,18 @@ if_put(struct ifnet *ifp) atomic_dec_int(&ifp->if_refcnt); } +int +if_setlladdr(struct ifnet *ifp, const uint8_t *lladdr) +{ + if (ifp->if_sadl == NULL) + return (EINVAL); + + memcpy(((struct arpcom *)ifp)->ac_enaddr, lladdr, ETHER_ADDR_LEN); + memcpy(LLADDR(ifp->if_sadl), lladdr, ETHER_ADDR_LEN); + + return (0); +} + /* * Interface ioctls. */ @@ -1969,11 +1981,7 @@ ifioctl(struct socket *so, u_long cmd, caddr_t data, struct proc *p) case IFT_CARP: case IFT_XETHER: case IFT_ISO88025: - bcopy((caddr_t)ifr->ifr_addr.sa_data, - (caddr_t)((struct arpcom *)ifp)->ac_enaddr, - ETHER_ADDR_LEN); - bcopy((caddr_t)ifr->ifr_addr.sa_data, - LLADDR(sdl), ETHER_ADDR_LEN); + if_setlladdr(ifp, ifr->ifr_addr.sa_data); error = (*ifp->if_ioctl)(ifp, cmd, data); if (error == ENOTTY) error = 0; |