Differential D19111 Diff 55041 sys/netinet6/ip6_output.c

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sys/netinet6/ip6_output.c

Show First 20 Lines • Show All 288 Lines • ▼ Show 20 Lines	ip6_output(struct mbuf m0, struct ip6_pktopts opt,
struct route_in6 ro, int flags, struct ip6_moptions im6o,		struct route_in6 ro, int flags, struct ip6_moptions im6o,
struct ifnet *ifpp, struct inpcb inp)		struct ifnet *ifpp, struct inpcb inp)
{		{
struct ip6_hdr *ip6;		struct ip6_hdr *ip6;
struct ifnet ifp, origifp;		struct ifnet ifp, origifp;
struct mbuf *m = m0;		struct mbuf *m = m0;
struct mbuf *mprev = NULL;		struct mbuf *mprev = NULL;
int hlen, tlen, len;		int hlen, tlen, len;
		struct epoch_tracker et;
struct route_in6 ip6route;		struct route_in6 ip6route;
struct rtentry *rt = NULL;		struct rtentry *rt = NULL;
struct sockaddr_in6 *dst, src_sa, dst_sa;		struct sockaddr_in6 *dst, src_sa, dst_sa;
struct in6_addr odst;		struct in6_addr odst;
int error = 0;		int error = 0;
struct in6_ifaddr *ia = NULL;		struct in6_ifaddr *ia = NULL;
u_long mtu;		u_long mtu;
int alwaysfrag, dontfrag;		int alwaysfrag, dontfrag;
▲ Show 20 Lines • Show All 183 Lines • ▼ Show 20 Lines	if (ro == NULL) {
ro = &ip6route;		ro = &ip6route;
bzero((caddr_t)ro, sizeof(*ro));		bzero((caddr_t)ro, sizeof(*ro));
}		}
ro_pmtu = ro;		ro_pmtu = ro;
if (opt && opt->ip6po_rthdr)		if (opt && opt->ip6po_rthdr)
ro = &opt->ip6po_route;		ro = &opt->ip6po_route;
dst = (struct sockaddr_in6 *)&ro->ro_dst;		dst = (struct sockaddr_in6 *)&ro->ro_dst;
fibnum = (inp != NULL) ? inp->inp_inc.inc_fibnum : M_GETFIB(m);		fibnum = (inp != NULL) ? inp->inp_inc.inc_fibnum : M_GETFIB(m);
		NET_EPOCH_ENTER(et);
again:		again:
/*		/*
* if specified, try to fill in the traffic class field.		* if specified, try to fill in the traffic class field.
* do not override if a non-zero value is already set.		* do not override if a non-zero value is already set.
* we check the diffserv field and the ecn field separately.		* we check the diffserv field and the ecn field separately.
*/		*/
if (opt && opt->ip6po_tclass >= 0) {		if (opt && opt->ip6po_tclass >= 0) {
int mask = 0;		int mask = 0;
▲ Show 20 Lines • Show All 585 Lines • ▼ Show 20 Lines	#endif
} else		} else
m_freem(m);		m_freem(m);
}		}

if (error == 0)		if (error == 0)
IP6STAT_INC(ip6s_fragmented);		IP6STAT_INC(ip6s_fragmented);

done:		done:
		NET_EPOCH_EXIT(et);
if (ro == &ip6route)		if (ro == &ip6route)
RO_RTFREE(ro);		RO_RTFREE(ro);
return (error);		return (error);

freehdrs:		freehdrs:
m_freem(exthdrs.ip6e_hbh); /* m_freem will check if mbuf is 0 */		m_freem(exthdrs.ip6e_hbh); /* m_freem will check if mbuf is 0 */
m_freem(exthdrs.ip6e_dest1);		m_freem(exthdrs.ip6e_dest1);
m_freem(exthdrs.ip6e_rthdr);		m_freem(exthdrs.ip6e_rthdr);
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