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Make this file to conform more to style(9) before really touching it.

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This commit is contained in:
Hartmut Brandt 2003-08-05 13:58:04 +00:00
parent 6084351671
commit 5246b4ff88
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=118497
1 changed files with 19 additions and 39 deletions
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58
sys/netinet/if_atm.c
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@ -30,14 +30,13 @@
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* IP <=> ATM address resolution.
*/
#include "opt_inet.h"
#include "opt_inet6.h"
#include "opt_natm.h"
@ -64,7 +63,6 @@
#include <netnatm/natm.h>
#endif
#define SDL(s) ((struct sockaddr_dl *)s)
/*
@ -73,14 +71,10 @@
* "rt" = route entry
* "info" = rt_addrinfo
*/
void
atm_rtrequest(req, rt, info)
int req;
register struct rtentry *rt;
struct rt_addrinfo *info;
atm_rtrequest(int req, struct rtentry *rt, struct rt_addrinfo *info)
{
register struct sockaddr *gate = rt->rt_gateway;
struct sockaddr *gate = rt->rt_gateway;
struct atm_pseudoioctl api;
#ifdef NATM
struct sockaddr_in *sin;
@ -99,14 +93,12 @@ atm_rtrequest(req, rt, info)
break;
case RTM_ADD:
/*
* route added by a command (e.g. ifconfig, route, arp...).
*
* first check to see if this is not a host route, in which
* case we are being called via "ifconfig" to set the address.
*/
if ((rt->rt_flags & RTF_HOST) == 0) {
rt_setgate(rt,rt_key(rt),(struct sockaddr *)&null_sdl);
gate = rt->rt_gateway;
@ -137,7 +129,7 @@ atm_rtrequest(req, rt, info)
goto failed;
aph = (struct atm_pseudohdr *) LLADDR(SDL(gate));
npcb = npcb_add(NULL, rt->rt_ifp, ATM_PH_VCI(aph),
ATM_PH_VPI(aph));
ATM_PH_VPI(aph));
if (npcb == NULL)
goto failed;
npcb->npcb_flags |= NPCB_IP;
@ -152,7 +144,7 @@ atm_rtrequest(req, rt, info)
bcopy(LLADDR(SDL(gate)), &api.aph, sizeof(api.aph));
api.rxhand = NULL;
if (rt->rt_ifp->if_ioctl(rt->rt_ifp, SIOCATMENA,
(caddr_t)&api) != 0) {
(caddr_t)&api) != 0) {
printf("atm: couldn't add VC\n");
goto failed;
}
@ -171,19 +163,17 @@ atm_rtrequest(req, rt, info)
}
#endif
rtrequest(RTM_DELETE, rt_key(rt), (struct sockaddr *)0,
rt_mask(rt), 0, (struct rtentry **) 0);
rt_mask(rt), 0, (struct rtentry **)0);
break;
case RTM_DELETE:
#ifdef NATM
/*
* tell native ATM we are done with this VC
*/
if (rt->rt_flags & RTF_LLINFO) {
npcb_free((struct natmpcb *)rt->rt_llinfo,
NPCB_DESTROY);
NPCB_DESTROY);
rt->rt_llinfo = NULL;
rt->rt_flags &= ~RTF_LLINFO;
}
@ -191,12 +181,10 @@ atm_rtrequest(req, rt, info)
/*
* tell the lower layer to disable this circuit
*/
bcopy(LLADDR(SDL(gate)), &api.aph, sizeof(api.aph));
api.rxhand = NULL;
(void)rt->rt_ifp->if_ioctl(rt->rt_ifp, SIOCATMDIS,
(caddr_t)&api);
(caddr_t)&api);
break;
}
}
@ -218,30 +206,26 @@ atm_rtrequest(req, rt, info)
*/
int
atmresolve(rt, m, dst, desten)
register struct rtentry *rt;
struct mbuf *m;
register struct sockaddr *dst;
register struct atm_pseudohdr *desten; /* OUT */
atmresolve(struct rtentry *rt, struct mbuf *m, struct sockaddr *dst,
struct atm_pseudohdr *desten)
{
struct sockaddr_dl *sdl;
if (m->m_flags & (M_BCAST|M_MCAST)) {
if (m->m_flags & (M_BCAST | M_MCAST)) {
log(LOG_INFO, "atmresolve: BCAST/MCAST packet detected/dumped");
goto bad;
}
if (rt == NULL) {
rt = RTALLOC1(dst, 0);
if (rt == NULL) goto bad; /* failed */
if (rt == NULL)
goto bad; /* failed */
rt->rt_refcnt--; /* don't keep LL references */
if ((rt->rt_flags & RTF_GATEWAY) != 0 ||
(rt->rt_flags & RTF_LLINFO) == 0 ||
/* XXX: are we using LLINFO? */
rt->rt_gateway->sa_family != AF_LINK) {
goto bad;
(rt->rt_flags & RTF_LLINFO) == 0 ||
/* XXX: are we using LLINFO? */
rt->rt_gateway->sa_family != AF_LINK) {
goto bad;
}
}
@ -251,15 +235,12 @@ register struct atm_pseudohdr *desten; /* OUT */
* don't need any rt_llinfo info (but will if we want to support
* ATM ARP [c.f. if_ether.c]).
*/
sdl = SDL(rt->rt_gateway);
/*
* Check the address family and length is valid, the address
* is resolved; otherwise, try to resolve.
*/
if (sdl->sdl_family == AF_LINK && sdl->sdl_alen == sizeof(*desten)) {
bcopy(LLADDR(sdl), desten, sdl->sdl_alen);
return(1); /* ok, go for it! */
@ -270,9 +251,8 @@ register struct atm_pseudohdr *desten; /* OUT */
* info in it (it is prob. the interface route, which has
* sdl_alen == 0). dump packet. (fall through to "bad").
*/
bad:
m_freem(m);
return(0);
return (0);
}
#endif /* INET */