diff options
Diffstat (limited to 'sys/net/if_stf.c')
| -rw-r--r-- | sys/net/if_stf.c | 29 |
1 files changed, 8 insertions, 21 deletions
diff --git a/sys/net/if_stf.c b/sys/net/if_stf.c index c8f2ec8802dd..2c347398be66 100644 --- a/sys/net/if_stf.c +++ b/sys/net/if_stf.c @@ -140,7 +140,7 @@ SYSCTL_INT(_net_link_stf, OID_AUTO, permit_rfc1918, CTLFLAG_RW | CTLFLAG_TUN, * XXX: Return a pointer with 16-bit aligned. Don't cast it to * struct in_addr *; use bcopy() instead. */ -#define GET_V4(x) ((caddr_t)(&(x)->s6_addr16[1])) +#define GET_V4(x) (&(x)->s6_addr16[1]) struct stf_softc { struct ifnet *sc_ifp; @@ -181,7 +181,7 @@ static char *stfnames[] = {"stf0", "stf", "6to4", NULL}; static int stfmodevent(module_t, int, void *); static int stf_encapcheck(const struct mbuf *, int, int, void *); static struct in6_ifaddr *stf_getsrcifa6(struct ifnet *); -static int stf_output(struct ifnet *, struct mbuf *, struct sockaddr *, +static int stf_output(struct ifnet *, struct mbuf *, const struct sockaddr *, struct route *); static int isrfc1918addr(struct in_addr *); static int stf_checkaddr4(struct stf_softc *, struct in_addr *, @@ -413,23 +413,19 @@ stf_getsrcifa6(ifp) } static int -stf_output(ifp, m, dst, ro) - struct ifnet *ifp; - struct mbuf *m; - struct sockaddr *dst; - struct route *ro; +stf_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst, + struct route *ro) { struct stf_softc *sc; - struct sockaddr_in6 *dst6; + const struct sockaddr_in6 *dst6; struct route *cached_route; struct in_addr in4; - caddr_t ptr; + const void *ptr; struct sockaddr_in *dst4; u_int8_t tos; struct ip *ip; struct ip6_hdr *ip6; struct in6_ifaddr *ia6; - u_int32_t af; int error; #ifdef MAC @@ -441,7 +437,7 @@ stf_output(ifp, m, dst, ro) #endif sc = ifp->if_softc; - dst6 = (struct sockaddr_in6 *)dst; + dst6 = (const struct sockaddr_in6 *)dst; /* just in case */ if ((ifp->if_flags & IFF_UP) == 0) { @@ -474,15 +470,6 @@ stf_output(ifp, m, dst, ro) tos = (ntohl(ip6->ip6_flow) >> 20) & 0xff; /* - * BPF writes need to be handled specially. - * This is a null operation, nothing here checks dst->sa_family. - */ - if (dst->sa_family == AF_UNSPEC) { - bcopy(dst->sa_data, &af, sizeof(af)); - dst->sa_family = af; - } - - /* * Pickup the right outer dst addr from the list of candidates. * ip6_dst has priority as it may be able to give us shorter IPv4 hops. */ @@ -507,7 +494,7 @@ stf_output(ifp, m, dst, ro) * will only read from the mbuf (i.e., it won't * try to free it or keep a pointer a to it). */ - af = AF_INET6; + u_int af = AF_INET6; bpf_mtap2(ifp->if_bpf, &af, sizeof(af), m); } |