KNF a bit
This commit is contained in:
itojun
parent
14df31ceb3
commit
05f0c3e705
@ -1,4 +1,4 @@
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/* $NetBSD: ip6_output.c,v 1.48 2002/06/07 04:18:12 itojun Exp $ */
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/* $NetBSD: ip6_output.c,v 1.49 2002/06/07 14:29:10 itojun Exp $ */
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/* $KAME: ip6_output.c,v 1.172 2001/03/25 09:55:56 itojun Exp $ */
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/*
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@ -66,7 +66,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ip6_output.c,v 1.48 2002/06/07 04:18:12 itojun Exp $");
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__KERNEL_RCSID(0, "$NetBSD: ip6_output.c,v 1.49 2002/06/07 14:29:10 itojun Exp $");
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#include "opt_inet.h"
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#include "opt_ipsec.h"
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@ -118,12 +118,12 @@ struct ip6_exthdrs {
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};
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static int ip6_pcbopts __P((struct ip6_pktopts **, struct mbuf *,
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struct socket *));
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struct socket *));
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static int ip6_setmoptions __P((int, struct ip6_moptions **, struct mbuf *));
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static int ip6_getmoptions __P((int, struct ip6_moptions *, struct mbuf **));
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static int ip6_copyexthdr __P((struct mbuf **, caddr_t, int));
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static int ip6_insertfraghdr __P((struct mbuf *, struct mbuf *, int,
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struct ip6_frag **));
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struct ip6_frag **));
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static int ip6_insert_jumboopt __P((struct ip6_exthdrs *, u_int32_t));
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static int ip6_splithdr __P((struct mbuf *, struct ip6_exthdrs *));
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static int ip6_getpmtu __P((struct route_in6 *, struct route_in6 *,
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@ -178,7 +178,7 @@ ip6_output(m0, opt, ro, flags, im6o, ifpp)
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if (hp) { \
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struct ip6_ext *eh = (struct ip6_ext *)(hp); \
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error = ip6_copyexthdr((mp), (caddr_t)(hp), \
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((eh)->ip6e_len + 1) << 3); \
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((eh)->ip6e_len + 1) << 3); \
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if (error) \
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goto freehdrs; \
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} \
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@ -339,12 +339,11 @@ ip6_output(m0, opt, ro, flags, im6o, ifpp)
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* m will point to IPv6 header. mprev will point to the
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* extension header prior to dest2 (rthdr in the above case).
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*/
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MAKE_CHAIN(exthdrs.ip6e_hbh, mprev,
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nexthdrp, IPPROTO_HOPOPTS);
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MAKE_CHAIN(exthdrs.ip6e_dest1, mprev,
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nexthdrp, IPPROTO_DSTOPTS);
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MAKE_CHAIN(exthdrs.ip6e_rthdr, mprev,
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nexthdrp, IPPROTO_ROUTING);
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MAKE_CHAIN(exthdrs.ip6e_hbh, mprev, nexthdrp, IPPROTO_HOPOPTS);
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MAKE_CHAIN(exthdrs.ip6e_dest1, mprev, nexthdrp,
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IPPROTO_DSTOPTS);
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MAKE_CHAIN(exthdrs.ip6e_rthdr, mprev, nexthdrp,
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IPPROTO_ROUTING);
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#ifdef IPSEC
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if (!needipsec)
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@ -407,20 +406,19 @@ skip_ipsec2:;
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* with the first hop of the routing header.
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*/
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if (exthdrs.ip6e_rthdr) {
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struct ip6_rthdr *rh =
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(struct ip6_rthdr *)(mtod(exthdrs.ip6e_rthdr,
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struct ip6_rthdr *));
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struct ip6_rthdr *rh;
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struct ip6_rthdr0 *rh0;
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rh = (struct ip6_rthdr *)(mtod(exthdrs.ip6e_rthdr,
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struct ip6_rthdr *));
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finaldst = ip6->ip6_dst;
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switch (rh->ip6r_type) {
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case IPV6_RTHDR_TYPE_0:
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rh0 = (struct ip6_rthdr0 *)rh;
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ip6->ip6_dst = rh0->ip6r0_addr[0];
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bcopy((caddr_t)&rh0->ip6r0_addr[1],
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(caddr_t)&rh0->ip6r0_addr[0],
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sizeof(struct in6_addr) * (rh0->ip6r0_segleft - 1)
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);
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(caddr_t)&rh0->ip6r0_addr[0],
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sizeof(struct in6_addr) * (rh0->ip6r0_segleft - 1));
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rh0->ip6r0_addr[rh0->ip6r0_segleft - 1] = finaldst;
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break;
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default: /* is it possible? */
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@ -461,8 +459,8 @@ skip_ipsec2:;
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* and is still up. If not, free it and try again.
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*/
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if (ro->ro_rt && ((ro->ro_rt->rt_flags & RTF_UP) == 0 ||
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dst->sin6_family != AF_INET6 ||
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!IN6_ARE_ADDR_EQUAL(&dst->sin6_addr, &ip6->ip6_dst))) {
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dst->sin6_family != AF_INET6 ||
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!IN6_ARE_ADDR_EQUAL(&dst->sin6_addr, &ip6->ip6_dst))) {
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RTFREE(ro->ro_rt);
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ro->ro_rt = (struct rtentry *)0;
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}
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@ -633,8 +631,7 @@ skip_ipsec2:;
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if (ifp == NULL) {
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if (ro->ro_rt == 0) {
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ro->ro_rt = rtalloc1((struct sockaddr *)
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&ro->ro_dst, 0
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);
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&ro->ro_dst, 0);
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}
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if (ro->ro_rt == 0) {
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ip6stat.ip6s_noroute++;
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@ -759,8 +756,7 @@ skip_ipsec2:;
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*/
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if (origifp == NULL)
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origifp = ifp;
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}
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else
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} else
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origifp = ifp;
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if (IN6_IS_SCOPE_LINKLOCAL(&ip6->ip6_src))
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ip6->ip6_src.s6_addr16[1] = 0;
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@ -785,11 +781,9 @@ skip_ipsec2:;
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*/
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m->m_flags |= M_LOOP;
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m->m_pkthdr.rcvif = ifp;
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if (ip6_process_hopopts(m,
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(u_int8_t *)(hbh + 1),
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((hbh->ip6h_len + 1) << 3) -
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sizeof(struct ip6_hbh),
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&dummy1, &dummy2) < 0) {
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if (ip6_process_hopopts(m, (u_int8_t *)(hbh + 1),
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((hbh->ip6h_len + 1) << 3) - sizeof(struct ip6_hbh),
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&dummy1, &dummy2) < 0) {
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/* m was already freed at this point */
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error = EINVAL;/* better error? */
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goto done;
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@ -802,8 +796,7 @@ skip_ipsec2:;
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/*
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* Run through list of hooks for output packets.
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*/
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if ((error = pfil_run_hooks(&inet6_pfil_hook, &m, ifp,
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PFIL_OUT)) != 0)
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if ((error = pfil_run_hooks(&inet6_pfil_hook, &m, ifp, PFIL_OUT)) != 0)
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goto done;
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if (m == NULL)
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goto done;
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@ -814,22 +807,7 @@ skip_ipsec2:;
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* If necessary, do IPv6 fragmentation before sending.
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*/
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tlen = m->m_pkthdr.len;
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if (tlen <= mtu
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#ifdef notyet
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/*
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* On any link that cannot convey a 1280-octet packet in one piece,
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* link-specific fragmentation and reassembly must be provided at
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* a layer below IPv6. [RFC 2460, sec.5]
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* Thus if the interface has ability of link-level fragmentation,
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* we can just send the packet even if the packet size is
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* larger than the link's MTU.
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* XXX: IFF_FRAGMENTABLE (or such) flag has not been defined yet...
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*/
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|| ifp->if_flags & IFF_FRAGMENTABLE
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#endif
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)
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{
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if (tlen <= mtu) {
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#ifdef IFA_STATS
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struct in6_ifaddr *ia6;
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ip6 = mtod(m, struct ip6_hdr *);
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@ -930,8 +908,7 @@ skip_ipsec2:;
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else
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ip6f->ip6f_offlg |= IP6F_MORE_FRAG;
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mhip6->ip6_plen = htons((u_short)(len + hlen +
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sizeof(*ip6f) -
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sizeof(struct ip6_hdr)));
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sizeof(*ip6f) - sizeof(struct ip6_hdr)));
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if ((m_frgpart = m_copy(m0, off, len)) == 0) {
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error = ENOBUFS;
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ip6stat.ip6s_odropped++;
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@ -1151,7 +1128,7 @@ ip6_insertfraghdr(m0, m, hlen, frghdrp)
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if (hlen > sizeof(struct ip6_hdr)) {
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n = m_copym(m0, sizeof(struct ip6_hdr),
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hlen - sizeof(struct ip6_hdr), M_DONTWAIT);
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hlen - sizeof(struct ip6_hdr), M_DONTWAIT);
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if (n == 0)
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return(ENOBUFS);
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m->m_next = n;
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@ -1165,8 +1142,8 @@ ip6_insertfraghdr(m0, m, hlen, frghdrp)
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if ((mlast->m_flags & M_EXT) == 0 &&
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M_TRAILINGSPACE(mlast) >= sizeof(struct ip6_frag)) {
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/* use the trailing space of the last mbuf for the fragment hdr */
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*frghdrp =
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(struct ip6_frag *)(mtod(mlast, caddr_t) + mlast->m_len);
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*frghdrp = (struct ip6_frag *)(mtod(mlast, caddr_t) +
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mlast->m_len);
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mlast->m_len += sizeof(struct ip6_frag);
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m->m_pkthdr.len += sizeof(struct ip6_frag);
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} else {
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@ -1271,7 +1248,7 @@ ip6_ctloutput(op, so, level, optname, mp)
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case IPV6_PKTOPTIONS:
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/* m is freed in ip6_pcbopts */
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return(ip6_pcbopts(&in6p->in6p_outputopts,
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m, so));
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m, so));
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case IPV6_HOPOPTS:
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case IPV6_DSTOPTS:
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if (p == 0 || suser(p->p_ucred, &p->p_acflag)) {
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@ -1304,10 +1281,12 @@ ip6_ctloutput(op, so, level, optname, mp)
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}
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break;
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#define OPTSET(bit) \
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if (optval) \
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in6p->in6p_flags |= bit; \
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else \
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in6p->in6p_flags &= ~bit;
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do { \
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if (optval) \
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in6p->in6p_flags |= (bit); \
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else \
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in6p->in6p_flags &= ~(bit); \
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} while (0)
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case IPV6_RECVOPTS:
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OPTSET(IN6P_RECVOPTS);
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@ -1352,8 +1331,7 @@ else \
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* see ipng mailing list, Jun 22 2001.
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*/
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if (in6p->in6p_lport ||
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!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr))
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{
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!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr)) {
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error = EINVAL;
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break;
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}
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@ -1373,7 +1351,8 @@ else \
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case IPV6_MULTICAST_LOOP:
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case IPV6_JOIN_GROUP:
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case IPV6_LEAVE_GROUP:
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error = ip6_setmoptions(optname, &in6p->in6p_moptions, m);
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error = ip6_setmoptions(optname,
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&in6p->in6p_moptions, m);
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break;
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case IPV6_PORTRANGE:
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@ -1440,8 +1419,8 @@ else \
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if (in6p->in6p_options) {
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m->m_len = in6p->in6p_options->m_len;
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bcopy(mtod(in6p->in6p_options, caddr_t),
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mtod(m, caddr_t),
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(unsigned)m->m_len);
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mtod(m, caddr_t),
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(unsigned)m->m_len);
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} else
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m->m_len = 0;
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break;
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@ -1453,7 +1432,7 @@ else \
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case IPV6_PKTOPTIONS:
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if (in6p->in6p_options) {
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*mp = m_copym(in6p->in6p_options, 0,
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M_COPYALL, M_WAIT);
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M_COPYALL, M_WAIT);
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} else {
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*mp = m_get(M_WAIT, MT_SOOPTS);
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(*mp)->m_len = 0;
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@ -1801,8 +1780,8 @@ ip6_setmoptions(optname, im6op, m)
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* if the address has link-local scope.
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*/
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if (IN6_IS_ADDR_MC_LINKLOCAL(&mreq->ipv6mr_multiaddr)) {
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mreq->ipv6mr_multiaddr.s6_addr16[1]
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= htons(mreq->ipv6mr_interface);
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mreq->ipv6mr_multiaddr.s6_addr16[1] =
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htons(mreq->ipv6mr_interface);
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}
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/*
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* See if the membership already exists.
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@ -1811,7 +1790,7 @@ ip6_setmoptions(optname, im6op, m)
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imm != NULL; imm = imm->i6mm_chain.le_next)
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if (imm->i6mm_maddr->in6m_ifp == ifp &&
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IN6_ARE_ADDR_EQUAL(&imm->i6mm_maddr->in6m_addr,
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&mreq->ipv6mr_multiaddr))
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&mreq->ipv6mr_multiaddr))
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break;
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if (imm != NULL) {
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error = EADDRINUSE;
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@ -1862,18 +1841,17 @@ ip6_setmoptions(optname, im6op, m)
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* if the address has link-local scope.
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*/
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if (IN6_IS_ADDR_MC_LINKLOCAL(&mreq->ipv6mr_multiaddr)) {
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mreq->ipv6mr_multiaddr.s6_addr16[1]
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= htons(mreq->ipv6mr_interface);
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mreq->ipv6mr_multiaddr.s6_addr16[1] =
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htons(mreq->ipv6mr_interface);
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}
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/*
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* Find the membership in the membership list.
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*/
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for (imm = im6o->im6o_memberships.lh_first;
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imm != NULL; imm = imm->i6mm_chain.le_next) {
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if ((ifp == NULL ||
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imm->i6mm_maddr->in6m_ifp == ifp) &&
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if ((ifp == NULL || imm->i6mm_maddr->in6m_ifp == ifp) &&
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IN6_ARE_ADDR_EQUAL(&imm->i6mm_maddr->in6m_addr,
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&mreq->ipv6mr_multiaddr))
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&mreq->ipv6mr_multiaddr))
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break;
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}
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if (imm == NULL) {
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@ -2001,7 +1979,7 @@ ip6_setpktoptions(control, opt, priv)
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opt->ip6po_m = control;
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for (; control->m_len; control->m_data += CMSG_ALIGN(cm->cmsg_len),
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control->m_len -= CMSG_ALIGN(cm->cmsg_len)) {
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control->m_len -= CMSG_ALIGN(cm->cmsg_len)) {
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cm = mtod(control, struct cmsghdr *);
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if (cm->cmsg_len == 0 || cm->cmsg_len > control->m_len)
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return(EINVAL);
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@ -2018,8 +1996,8 @@ ip6_setpktoptions(control, opt, priv)
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opt->ip6po_pktinfo->ipi6_addr.s6_addr16[1] =
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htons(opt->ip6po_pktinfo->ipi6_ifindex);
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if (opt->ip6po_pktinfo->ipi6_ifindex > if_index
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|| opt->ip6po_pktinfo->ipi6_ifindex < 0) {
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if (opt->ip6po_pktinfo->ipi6_ifindex > if_index ||
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opt->ip6po_pktinfo->ipi6_ifindex < 0) {
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return(ENXIO);
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}
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@ -2074,8 +2052,8 @@ ip6_setpktoptions(control, opt, priv)
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if (!priv)
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return(EPERM);
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/* check if cmsg_len is large enough for sa_len */
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if (cm->cmsg_len < sizeof(u_char) ||
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/* check if cmsg_len is large enough for sa_len */
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cm->cmsg_len < CMSG_LEN(*CMSG_DATA(cm)))
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return(EINVAL);
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@ -2104,18 +2082,16 @@ ip6_setpktoptions(control, opt, priv)
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*/
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if (opt->ip6po_rthdr == NULL) {
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opt->ip6po_dest1 =
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(struct ip6_dest *)CMSG_DATA(cm);
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(struct ip6_dest *)CMSG_DATA(cm);
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if (cm->cmsg_len !=
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CMSG_LEN((opt->ip6po_dest1->ip6d_len + 1)
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<< 3))
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CMSG_LEN((opt->ip6po_dest1->ip6d_len + 1) << 3));
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return(EINVAL);
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}
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else {
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opt->ip6po_dest2 =
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(struct ip6_dest *)CMSG_DATA(cm);
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(struct ip6_dest *)CMSG_DATA(cm);
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if (cm->cmsg_len !=
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CMSG_LEN((opt->ip6po_dest2->ip6d_len + 1)
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<< 3))
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CMSG_LEN((opt->ip6po_dest2->ip6d_len + 1) << 3))
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return(EINVAL);
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}
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break;
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