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Differential D22399 Diff 65315 head/sys/netinet/ip_carp.c

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head/sys/netinet/ip_carp.c

Show First 20 Lines • Show All 569 Lines • ▼ Show 20 Lines if (m->m_len < *offp + sizeof(*ch)) {
len = m->m_len; len = m->m_len;
m = m_pullup(m, *offp + sizeof(*ch)); m = m_pullup(m, *offp + sizeof(*ch));
if (m == NULL) { if (m == NULL) {
CARPSTATS_INC(carps_badlen); CARPSTATS_INC(carps_badlen);
CARP_DEBUG("%s: packet size %u too small\n", __func__, len); CARP_DEBUG("%s: packet size %u too small\n", __func__, len);
return (IPPROTO_DONE); return (IPPROTO_DONE);
} }
} }
ch = (struct carp_header *)(mtod(m, caddr_t) + *offp); ch = (struct carp_header *)(mtod(m, char *) + *offp);
/* verify the CARP checksum */ /* verify the CARP checksum */
m->m_data += *offp; m->m_data += *offp;
if (in_cksum(m, sizeof(*ch))) { if (in_cksum(m, sizeof(*ch))) {
CARPSTATS_INC(carps_badsum); CARPSTATS_INC(carps_badsum);
CARP_DEBUG("%s: checksum failed, on %s\n", __func__, CARP_DEBUG("%s: checksum failed, on %s\n", __func__,
m->m_pkthdr.rcvif->if_xname); m->m_pkthdr.rcvif->if_xname);
▲ Show 20 Lines • Show All 386 Lines • ▼ Show 20 Lines if (sc->sc_naddrs) {
CARPSTATS_INC(carps_opackets); CARPSTATS_INC(carps_opackets);
carp_send_ad_error(sc, ip_output(m, NULL, NULL, IP_RAWOUTPUT, carp_send_ad_error(sc, ip_output(m, NULL, NULL, IP_RAWOUTPUT,
&sc->sc_carpdev->if_carp->cif_imo, NULL)); &sc->sc_carpdev->if_carp->cif_imo, NULL));
} }
#endif /* INET */ #endif /* INET */
#ifdef INET6 #ifdef INET6
if (sc->sc_naddrs6) { if (sc->sc_naddrs6) {
struct epoch_tracker et;
struct ip6_hdr *ip6; struct ip6_hdr *ip6;
m = m_gethdr(M_NOWAIT, MT_DATA); m = m_gethdr(M_NOWAIT, MT_DATA);
if (m == NULL) { if (m == NULL) {
CARPSTATS_INC(carps_onomem); CARPSTATS_INC(carps_onomem);
goto resched; goto resched;
} }
len = sizeof(*ip6) + sizeof(ch); len = sizeof(*ip6) + sizeof(ch);
Show All 37 Lines if (carp_prepare_ad(m, sc, ch_ptr))
goto resched; goto resched;
m->m_data += sizeof(*ip6); m->m_data += sizeof(*ip6);
ch_ptr->carp_cksum = in_cksum(m, len - sizeof(*ip6)); ch_ptr->carp_cksum = in_cksum(m, len - sizeof(*ip6));
m->m_data -= sizeof(*ip6); m->m_data -= sizeof(*ip6);
CARPSTATS_INC(carps_opackets6); CARPSTATS_INC(carps_opackets6);
NET_EPOCH_ENTER(et);
carp_send_ad_error(sc, ip6_output(m, NULL, NULL, 0, carp_send_ad_error(sc, ip6_output(m, NULL, NULL, 0,
&sc->sc_carpdev->if_carp->cif_im6o, NULL, NULL)); &sc->sc_carpdev->if_carp->cif_im6o, NULL, NULL));
NET_EPOCH_EXIT(et);
} }
#endif /* INET6 */ #endif /* INET6 */
resched: resched:
callout_reset(&sc->sc_ad_tmo, tvtohz(&tv), carp_send_ad, sc); callout_reset(&sc->sc_ad_tmo, tvtohz(&tv), carp_send_ad, sc);
} }
static void static void
▲ Show 20 Lines • Show All 141 Lines • ▼ Show 20 Lines CK_STAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
else else
ifa_ref(ifa); ifa_ref(ifa);
break; break;
} }
return (ifa); return (ifa);
} }
caddr_t char *
carp_macmatch6(struct ifnet *ifp, struct mbuf *m, const struct in6_addr *taddr) carp_macmatch6(struct ifnet *ifp, struct mbuf *m, const struct in6_addr *taddr)
{ {
struct ifaddr *ifa; struct ifaddr *ifa;
NET_EPOCH_ASSERT(); NET_EPOCH_ASSERT();
IFNET_FOREACH_IFA(ifp, ifa) IFNET_FOREACH_IFA(ifp, ifa)
if (ifa->ifa_addr->sa_family == AF_INET6 && if (ifa->ifa_addr->sa_family == AF_INET6 &&
▲ Show 20 Lines • Show All 640 Lines • ▼ Show 20 Lines if (carpr.carpr_vhid != 0) {
break; break;
} }
i = 0; i = 0;
IFNET_FOREACH_CARP(ifp, sc) { IFNET_FOREACH_CARP(ifp, sc) {
carp_carprcp(&carpr, sc, priveleged); carp_carprcp(&carpr, sc, priveleged);
carpr.carpr_count = count; carpr.carpr_count = count;
error = copyout(&carpr, error = copyout(&carpr,
(caddr_t)ifr_data_get_ptr(ifr) + (char *)ifr_data_get_ptr(ifr) +
(i * sizeof(carpr)), sizeof(carpr)); (i * sizeof(carpr)), sizeof(carpr));
if (error) { if (error) {
CIF_UNLOCK(ifp->if_carp); CIF_UNLOCK(ifp->if_carp);
break; break;
} }
i++; i++;
} }
} }
▲ Show 20 Lines • Show All 442 Lines • Show Last 20 Lines