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Differential D26454 Diff 77182 head/sys/netinet/ip_output.c

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head/sys/netinet/ip_output.c

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ip_output(struct mbuf *m, struct mbuf *opt, struct route *ro, int flags, ip_output(struct mbuf *m, struct mbuf *opt, struct route *ro, int flags,
struct ip_moptions *imo, struct inpcb *inp) struct ip_moptions *imo, struct inpcb *inp)
{ {
struct rm_priotracker in_ifa_tracker; struct rm_priotracker in_ifa_tracker;
struct ip *ip; struct ip *ip;
struct ifnet *ifp = NULL; /* keep compiler happy */ struct ifnet *ifp = NULL; /* keep compiler happy */
struct mbuf *m0; struct mbuf *m0;
int hlen = sizeof (struct ip); int hlen = sizeof (struct ip);
int mtu; int mtu = 0;
int error = 0; int error = 0;
struct sockaddr_in *dst, sin; struct sockaddr_in *dst, sin;
const struct sockaddr_in *gw; const struct sockaddr_in *gw;
struct in_ifaddr *ia; struct in_ifaddr *ia = NULL;
struct in_addr src; struct in_addr src;
int isbroadcast; int isbroadcast;
uint16_t ip_len, ip_off; uint16_t ip_len, ip_off;
uint32_t fibnum; uint32_t fibnum;
#if defined(IPSEC) || defined(IPSEC_SUPPORT) #if defined(IPSEC) || defined(IPSEC_SUPPORT)
int no_route_but_check_spd = 0; int no_route_but_check_spd = 0;
#endif #endif
▲ Show 20 Lines • Show All 141 Lines • ▼ Show 20 Lines#endif
if (ro->ro_nh == NULL || (!NH_IS_VALID(ro->ro_nh))) { if (ro->ro_nh == NULL || (!NH_IS_VALID(ro->ro_nh))) {
#if defined(IPSEC) || defined(IPSEC_SUPPORT) #if defined(IPSEC) || defined(IPSEC_SUPPORT)
/* /*
* There is no route for this packet, but it is * There is no route for this packet, but it is
* possible that a matching SPD entry exists. * possible that a matching SPD entry exists.
*/ */
no_route_but_check_spd = 1; no_route_but_check_spd = 1;
mtu = 0; /* Silence GCC warning. */
goto sendit; goto sendit;
#endif #endif
IPSTAT_INC(ips_noroute); IPSTAT_INC(ips_noroute);
error = EHOSTUNREACH; error = EHOSTUNREACH;
goto bad; goto bad;
} }
} }
ia = ifatoia(ro->ro_nh->nh_ifa); ia = ifatoia(ro->ro_nh->nh_ifa);
Show All 19 Lines#endif
nh = fib4_lookup(M_GETFIB(m), ip->ip_dst, 0, NHR_NONE, 0); nh = fib4_lookup(M_GETFIB(m), ip->ip_dst, 0, NHR_NONE, 0);
if (nh == NULL) { if (nh == NULL) {
#if defined(IPSEC) || defined(IPSEC_SUPPORT) #if defined(IPSEC) || defined(IPSEC_SUPPORT)
/* /*
* There is no route for this packet, but it is * There is no route for this packet, but it is
* possible that a matching SPD entry exists. * possible that a matching SPD entry exists.
*/ */
no_route_but_check_spd = 1; no_route_but_check_spd = 1;
mtu = 0; /* Silence GCC warning. */
goto sendit; goto sendit;
#endif #endif
IPSTAT_INC(ips_noroute); IPSTAT_INC(ips_noroute);
error = EHOSTUNREACH; error = EHOSTUNREACH;
goto bad; goto bad;
} }
ifp = nh->nh_ifp; ifp = nh->nh_ifp;
mtu = nh->nh_mtu; mtu = nh->nh_mtu;
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