Lines Matching full:pmc
162 static int sf_setstate(struct ip_mc_list *pmc);
163 static void sf_markstate(struct ip_mc_list *pmc);
165 static void ip_mc_clear_src(struct ip_mc_list *pmc);
177 #define for_each_pmc_rcu(in_dev, pmc) \ argument
178 for (pmc = rcu_dereference(in_dev->mc_list); \
179 pmc != NULL; \
180 pmc = rcu_dereference(pmc->next_rcu))
182 #define for_each_pmc_rtnl(in_dev, pmc) \ argument
183 for (pmc = rtnl_dereference(in_dev->mc_list); \
184 pmc != NULL; \
185 pmc = rtnl_dereference(pmc->next_rcu))
274 static int is_in(struct ip_mc_list *pmc, struct ip_sf_list *psf, int type, in is_in() argument
282 if (!(pmc->gsquery && !psf->sf_gsresp)) { in is_in()
283 if (pmc->sfmode == MCAST_INCLUDE) in is_in()
290 return pmc->sfcount[MCAST_EXCLUDE] == in is_in()
301 if (pmc->sfcount[MCAST_EXCLUDE] == 0 || in is_in()
304 return pmc->sfcount[MCAST_EXCLUDE] == in is_in()
309 return (pmc->sfmode == MCAST_INCLUDE) ^ sdeleted; in is_in()
311 if (pmc->sfmode == MCAST_INCLUDE) in is_in()
319 igmp_scount(struct ip_mc_list *pmc, int type, int gdeleted, int sdeleted) in igmp_scount() argument
324 for (psf = pmc->sources; psf; psf = psf->sf_next) { in igmp_scount()
325 if (!is_in(pmc, psf, type, gdeleted, sdeleted)) in igmp_scount()
432 static int grec_size(struct ip_mc_list *pmc, int type, int gdel, int sdel) in grec_size() argument
434 return sizeof(struct igmpv3_grec) + 4*igmp_scount(pmc, type, gdel, sdel); in grec_size()
437 static struct sk_buff *add_grhead(struct sk_buff *skb, struct ip_mc_list *pmc, in add_grhead() argument
440 struct net_device *dev = pmc->interface->dev; in add_grhead()
453 pgr->grec_mca = pmc->multiaddr; in add_grhead()
462 static struct sk_buff *add_grec(struct sk_buff *skb, struct ip_mc_list *pmc, in add_grec() argument
465 struct net_device *dev = pmc->interface->dev; in add_grec()
473 if (pmc->multiaddr == IGMP_ALL_HOSTS) in add_grec()
475 if (ipv4_is_local_multicast(pmc->multiaddr) && in add_grec()
490 psf_list = sdeleted ? &pmc->tomb : &pmc->sources; in add_grec()
500 AVAILABLE(skb) < grec_size(pmc, type, gdeleted, sdeleted)) { in add_grec()
513 if (!is_in(pmc, psf, type, gdeleted, sdeleted)) { in add_grec()
521 if (((gdeleted && pmc->sfmode == MCAST_EXCLUDE) || in add_grec()
522 (!gdeleted && pmc->crcount)) && in add_grec()
544 skb = add_grhead(skb, pmc, type, &pgr, mtu); in add_grec()
573 if (pmc->crcount || isquery) { in add_grec()
579 skb = add_grhead(skb, pmc, type, &pgr, mtu); in add_grec()
586 pmc->gsquery = 0; /* clear query state on report */ in add_grec()
590 static int igmpv3_send_report(struct in_device *in_dev, struct ip_mc_list *pmc) in igmpv3_send_report() argument
596 if (!pmc) { in igmpv3_send_report()
598 for_each_pmc_rcu(in_dev, pmc) { in igmpv3_send_report()
599 if (pmc->multiaddr == IGMP_ALL_HOSTS) in igmpv3_send_report()
601 if (ipv4_is_local_multicast(pmc->multiaddr) && in igmpv3_send_report()
604 spin_lock_bh(&pmc->lock); in igmpv3_send_report()
605 if (pmc->sfcount[MCAST_EXCLUDE]) in igmpv3_send_report()
609 skb = add_grec(skb, pmc, type, 0, 0); in igmpv3_send_report()
610 spin_unlock_bh(&pmc->lock); in igmpv3_send_report()
614 spin_lock_bh(&pmc->lock); in igmpv3_send_report()
615 if (pmc->sfcount[MCAST_EXCLUDE]) in igmpv3_send_report()
619 skb = add_grec(skb, pmc, type, 0, 0); in igmpv3_send_report()
620 spin_unlock_bh(&pmc->lock); in igmpv3_send_report()
648 static void kfree_pmc(struct ip_mc_list *pmc) in kfree_pmc() argument
650 ip_sf_list_clear_all(pmc->sources); in kfree_pmc()
651 ip_sf_list_clear_all(pmc->tomb); in kfree_pmc()
652 kfree(pmc); in kfree_pmc()
657 struct ip_mc_list *pmc, *pmc_prev, *pmc_next; in igmpv3_send_cr() local
666 for (pmc = in_dev->mc_tomb; pmc; pmc = pmc_next) { in igmpv3_send_cr()
667 pmc_next = pmc->next; in igmpv3_send_cr()
668 if (pmc->sfmode == MCAST_INCLUDE) { in igmpv3_send_cr()
671 skb = add_grec(skb, pmc, type, 1, 0); in igmpv3_send_cr()
672 skb = add_grec(skb, pmc, dtype, 1, 1); in igmpv3_send_cr()
674 if (pmc->crcount) { in igmpv3_send_cr()
675 if (pmc->sfmode == MCAST_EXCLUDE) { in igmpv3_send_cr()
677 skb = add_grec(skb, pmc, type, 1, 0); in igmpv3_send_cr()
679 pmc->crcount--; in igmpv3_send_cr()
680 if (pmc->crcount == 0) { in igmpv3_send_cr()
681 igmpv3_clear_zeros(&pmc->tomb); in igmpv3_send_cr()
682 igmpv3_clear_zeros(&pmc->sources); in igmpv3_send_cr()
685 if (pmc->crcount == 0 && !pmc->tomb && !pmc->sources) { in igmpv3_send_cr()
690 in_dev_put(pmc->interface); in igmpv3_send_cr()
691 kfree_pmc(pmc); in igmpv3_send_cr()
693 pmc_prev = pmc; in igmpv3_send_cr()
698 for_each_pmc_rcu(in_dev, pmc) { in igmpv3_send_cr()
699 spin_lock_bh(&pmc->lock); in igmpv3_send_cr()
700 if (pmc->sfcount[MCAST_EXCLUDE]) { in igmpv3_send_cr()
707 skb = add_grec(skb, pmc, type, 0, 0); in igmpv3_send_cr()
708 skb = add_grec(skb, pmc, dtype, 0, 1); /* deleted sources */ in igmpv3_send_cr()
711 if (pmc->crcount) { in igmpv3_send_cr()
712 if (pmc->sfmode == MCAST_EXCLUDE) in igmpv3_send_cr()
716 skb = add_grec(skb, pmc, type, 0, 0); in igmpv3_send_cr()
717 pmc->crcount--; in igmpv3_send_cr()
719 spin_unlock_bh(&pmc->lock); in igmpv3_send_cr()
728 static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc, in igmp_send_report() argument
737 __be32 group = pmc ? pmc->multiaddr : 0; in igmp_send_report()
743 return igmpv3_send_report(in_dev, pmc); in igmp_send_report()
865 static int igmp_xmarksources(struct ip_mc_list *pmc, int nsrcs, __be32 *srcs) in igmp_xmarksources() argument
871 for (psf = pmc->sources; psf; psf = psf->sf_next) { in igmp_xmarksources()
877 pmc->sfcount[MCAST_EXCLUDE] != in igmp_xmarksources()
886 pmc->gsquery = 0; in igmp_xmarksources()
892 static int igmp_marksources(struct ip_mc_list *pmc, int nsrcs, __be32 *srcs) in igmp_marksources() argument
897 if (pmc->sfmode == MCAST_EXCLUDE) in igmp_marksources()
898 return igmp_xmarksources(pmc, nsrcs, srcs); in igmp_marksources()
902 for (psf = pmc->sources; psf; psf = psf->sf_next) { in igmp_marksources()
913 pmc->gsquery = 0; in igmp_marksources()
916 pmc->gsquery = 1; in igmp_marksources()
1180 struct ip_mc_list *pmc; in igmpv3_add_delrec() local
1189 pmc = kzalloc(sizeof(*pmc), gfp); in igmpv3_add_delrec()
1190 if (!pmc) in igmpv3_add_delrec()
1192 spin_lock_init(&pmc->lock); in igmpv3_add_delrec()
1194 pmc->interface = im->interface; in igmpv3_add_delrec()
1196 pmc->multiaddr = im->multiaddr; in igmpv3_add_delrec()
1197 pmc->crcount = in_dev->mr_qrv ?: READ_ONCE(net->ipv4.sysctl_igmp_qrv); in igmpv3_add_delrec()
1198 pmc->sfmode = im->sfmode; in igmpv3_add_delrec()
1199 if (pmc->sfmode == MCAST_INCLUDE) { in igmpv3_add_delrec()
1202 pmc->tomb = im->tomb; in igmpv3_add_delrec()
1203 pmc->sources = im->sources; in igmpv3_add_delrec()
1205 for (psf = pmc->sources; psf; psf = psf->sf_next) in igmpv3_add_delrec()
1206 psf->sf_crcount = pmc->crcount; in igmpv3_add_delrec()
1211 pmc->next = in_dev->mc_tomb; in igmpv3_add_delrec()
1212 in_dev->mc_tomb = pmc; in igmpv3_add_delrec()
1221 struct ip_mc_list *pmc, *pmc_prev; in igmpv3_del_delrec() local
1228 for (pmc = in_dev->mc_tomb; pmc; pmc = pmc->next) { in igmpv3_del_delrec()
1229 if (pmc->multiaddr == multiaddr) in igmpv3_del_delrec()
1231 pmc_prev = pmc; in igmpv3_del_delrec()
1233 if (pmc) { in igmpv3_del_delrec()
1235 pmc_prev->next = pmc->next; in igmpv3_del_delrec()
1237 in_dev->mc_tomb = pmc->next; in igmpv3_del_delrec()
1242 if (pmc) { in igmpv3_del_delrec()
1243 im->interface = pmc->interface; in igmpv3_del_delrec()
1245 swap(im->tomb, pmc->tomb); in igmpv3_del_delrec()
1246 swap(im->sources, pmc->sources); in igmpv3_del_delrec()
1254 in_dev_put(pmc->interface); in igmpv3_del_delrec()
1255 kfree_pmc(pmc); in igmpv3_del_delrec()
1265 struct ip_mc_list *pmc, *nextpmc; in igmpv3_clear_delrec() local
1268 pmc = in_dev->mc_tomb; in igmpv3_clear_delrec()
1272 for (; pmc; pmc = nextpmc) { in igmpv3_clear_delrec()
1273 nextpmc = pmc->next; in igmpv3_clear_delrec()
1274 ip_mc_clear_src(pmc); in igmpv3_clear_delrec()
1275 in_dev_put(pmc->interface); in igmpv3_clear_delrec()
1276 kfree_pmc(pmc); in igmpv3_clear_delrec()
1280 for_each_pmc_rcu(in_dev, pmc) { in igmpv3_clear_delrec()
1283 spin_lock_bh(&pmc->lock); in igmpv3_clear_delrec()
1284 psf = pmc->tomb; in igmpv3_clear_delrec()
1285 pmc->tomb = NULL; in igmpv3_clear_delrec()
1286 spin_unlock_bh(&pmc->lock); in igmpv3_clear_delrec()
1792 struct ip_mc_list *pmc; in ip_mc_unmap() local
1796 for_each_pmc_rtnl(in_dev, pmc) in ip_mc_unmap()
1797 igmp_group_dropped(pmc); in ip_mc_unmap()
1802 struct ip_mc_list *pmc; in ip_mc_remap() local
1806 for_each_pmc_rtnl(in_dev, pmc) { in ip_mc_remap()
1808 igmpv3_del_delrec(in_dev, pmc); in ip_mc_remap()
1810 igmp_group_added(pmc); in ip_mc_remap()
1818 struct ip_mc_list *pmc; in ip_mc_down() local
1822 for_each_pmc_rtnl(in_dev, pmc) in ip_mc_down()
1823 igmp_group_dropped(pmc); in ip_mc_down()
1869 struct ip_mc_list *pmc; in ip_mc_up() local
1876 for_each_pmc_rtnl(in_dev, pmc) { in ip_mc_up()
1878 igmpv3_del_delrec(in_dev, pmc); in ip_mc_up()
1880 igmp_group_added(pmc); in ip_mc_up()
1945 static int ip_mc_del1_src(struct ip_mc_list *pmc, int sfmode, in ip_mc_del1_src() argument
1952 for (psf = pmc->sources; psf; psf = psf->sf_next) { in ip_mc_del1_src()
1963 ip_rt_multicast_event(pmc->interface); in ip_mc_del1_src()
1967 struct in_device *in_dev = pmc->interface; in ip_mc_del1_src()
1975 pmc->sources = psf->sf_next; in ip_mc_del1_src()
1980 psf->sf_next = pmc->tomb; in ip_mc_del1_src()
1981 pmc->tomb = psf; in ip_mc_del1_src()
1997 struct ip_mc_list *pmc; in ip_mc_del_src() local
2004 for_each_pmc_rcu(in_dev, pmc) { in ip_mc_del_src()
2005 if (*pmca == pmc->multiaddr) in ip_mc_del_src()
2008 if (!pmc) { in ip_mc_del_src()
2013 spin_lock_bh(&pmc->lock); in ip_mc_del_src()
2016 sf_markstate(pmc); in ip_mc_del_src()
2020 if (!pmc->sfcount[sfmode]) in ip_mc_del_src()
2022 pmc->sfcount[sfmode]--; in ip_mc_del_src()
2026 int rv = ip_mc_del1_src(pmc, sfmode, &psfsrc[i]); in ip_mc_del_src()
2032 if (pmc->sfmode == MCAST_EXCLUDE && in ip_mc_del_src()
2033 pmc->sfcount[MCAST_EXCLUDE] == 0 && in ip_mc_del_src()
2034 pmc->sfcount[MCAST_INCLUDE]) { in ip_mc_del_src()
2041 pmc->sfmode = MCAST_INCLUDE; in ip_mc_del_src()
2043 pmc->crcount = in_dev->mr_qrv ?: READ_ONCE(net->ipv4.sysctl_igmp_qrv); in ip_mc_del_src()
2044 WRITE_ONCE(in_dev->mr_ifc_count, pmc->crcount); in ip_mc_del_src()
2045 for (psf = pmc->sources; psf; psf = psf->sf_next) in ip_mc_del_src()
2047 igmp_ifc_event(pmc->interface); in ip_mc_del_src()
2048 } else if (sf_setstate(pmc) || changerec) { in ip_mc_del_src()
2049 igmp_ifc_event(pmc->interface); in ip_mc_del_src()
2053 spin_unlock_bh(&pmc->lock); in ip_mc_del_src()
2060 static int ip_mc_add1_src(struct ip_mc_list *pmc, int sfmode, in ip_mc_add1_src() argument
2066 for (psf = pmc->sources; psf; psf = psf->sf_next) { in ip_mc_add1_src()
2079 pmc->sources = psf; in ip_mc_add1_src()
2083 ip_rt_multicast_event(pmc->interface); in ip_mc_add1_src()
2089 static void sf_markstate(struct ip_mc_list *pmc) in sf_markstate() argument
2092 int mca_xcount = pmc->sfcount[MCAST_EXCLUDE]; in sf_markstate()
2094 for (psf = pmc->sources; psf; psf = psf->sf_next) in sf_markstate()
2095 if (pmc->sfcount[MCAST_EXCLUDE]) { in sf_markstate()
2103 static int sf_setstate(struct ip_mc_list *pmc) in sf_setstate() argument
2106 int mca_xcount = pmc->sfcount[MCAST_EXCLUDE]; in sf_setstate()
2107 int qrv = pmc->interface->mr_qrv; in sf_setstate()
2111 for (psf = pmc->sources; psf; psf = psf->sf_next) { in sf_setstate()
2112 if (pmc->sfcount[MCAST_EXCLUDE]) { in sf_setstate()
2121 for (dpsf = pmc->tomb; dpsf; dpsf = dpsf->sf_next) { in sf_setstate()
2130 pmc->tomb = dpsf->sf_next; in sf_setstate()
2143 for (dpsf = pmc->tomb; dpsf; dpsf = dpsf->sf_next) in sf_setstate()
2151 /* pmc->lock held by callers */ in sf_setstate()
2152 dpsf->sf_next = pmc->tomb; in sf_setstate()
2153 pmc->tomb = dpsf; in sf_setstate()
2169 struct ip_mc_list *pmc; in ip_mc_add_src() local
2176 for_each_pmc_rcu(in_dev, pmc) { in ip_mc_add_src()
2177 if (*pmca == pmc->multiaddr) in ip_mc_add_src()
2180 if (!pmc) { in ip_mc_add_src()
2185 spin_lock_bh(&pmc->lock); in ip_mc_add_src()
2189 sf_markstate(pmc); in ip_mc_add_src()
2191 isexclude = pmc->sfmode == MCAST_EXCLUDE; in ip_mc_add_src()
2193 pmc->sfcount[sfmode]++; in ip_mc_add_src()
2196 err = ip_mc_add1_src(pmc, sfmode, &psfsrc[i]); in ip_mc_add_src()
2204 pmc->sfcount[sfmode]--; in ip_mc_add_src()
2206 (void) ip_mc_del1_src(pmc, sfmode, &psfsrc[j]); in ip_mc_add_src()
2207 } else if (isexclude != (pmc->sfcount[MCAST_EXCLUDE] != 0)) { in ip_mc_add_src()
2210 struct net *net = dev_net(pmc->interface->dev); in ip_mc_add_src()
2211 in_dev = pmc->interface; in ip_mc_add_src()
2215 if (pmc->sfcount[MCAST_EXCLUDE]) in ip_mc_add_src()
2216 pmc->sfmode = MCAST_EXCLUDE; in ip_mc_add_src()
2217 else if (pmc->sfcount[MCAST_INCLUDE]) in ip_mc_add_src()
2218 pmc->sfmode = MCAST_INCLUDE; in ip_mc_add_src()
2222 pmc->crcount = in_dev->mr_qrv ?: READ_ONCE(net->ipv4.sysctl_igmp_qrv); in ip_mc_add_src()
2223 WRITE_ONCE(in_dev->mr_ifc_count, pmc->crcount); in ip_mc_add_src()
2224 for (psf = pmc->sources; psf; psf = psf->sf_next) in ip_mc_add_src()
2227 } else if (sf_setstate(pmc)) { in ip_mc_add_src()
2231 spin_unlock_bh(&pmc->lock); in ip_mc_add_src()
2235 static void ip_mc_clear_src(struct ip_mc_list *pmc) in ip_mc_clear_src() argument
2239 spin_lock_bh(&pmc->lock); in ip_mc_clear_src()
2240 tomb = pmc->tomb; in ip_mc_clear_src()
2241 pmc->tomb = NULL; in ip_mc_clear_src()
2242 sources = pmc->sources; in ip_mc_clear_src()
2243 pmc->sources = NULL; in ip_mc_clear_src()
2244 pmc->sfmode = MCAST_EXCLUDE; in ip_mc_clear_src()
2245 pmc->sfcount[MCAST_INCLUDE] = 0; in ip_mc_clear_src()
2246 pmc->sfcount[MCAST_EXCLUDE] = 1; in ip_mc_clear_src()
2247 spin_unlock_bh(&pmc->lock); in ip_mc_clear_src()
2395 struct ip_mc_socklist *pmc; in ip_mc_source() local
2419 for_each_pmc_rtnl(inet, pmc) { in ip_mc_source()
2420 if ((pmc->multi.imr_multiaddr.s_addr == in ip_mc_source()
2422 (pmc->multi.imr_ifindex == imr.imr_ifindex)) in ip_mc_source()
2425 if (!pmc) { /* must have a prior join */ in ip_mc_source()
2430 if (pmc->sflist) { in ip_mc_source()
2431 if (pmc->sfmode != omode) { in ip_mc_source()
2435 } else if (pmc->sfmode != omode) { in ip_mc_source()
2438 ip_mc_del_src(in_dev, &mreqs->imr_multiaddr, pmc->sfmode, 0, in ip_mc_source()
2440 pmc->sfmode = omode; in ip_mc_source()
2443 psl = rtnl_dereference(pmc->sflist); in ip_mc_source()
2500 rcu_assign_pointer(pmc->sflist, newpsl); in ip_mc_source()
2533 struct ip_mc_socklist *pmc; in ip_mc_msfilter() local
2564 for_each_pmc_rtnl(inet, pmc) { in ip_mc_msfilter()
2565 if (pmc->multi.imr_multiaddr.s_addr == msf->imsf_multiaddr && in ip_mc_msfilter()
2566 pmc->multi.imr_ifindex == imr.imr_ifindex) in ip_mc_msfilter()
2569 if (!pmc) { /* must have a prior join */ in ip_mc_msfilter()
2597 psl = rtnl_dereference(pmc->sflist); in ip_mc_msfilter()
2599 (void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode, in ip_mc_msfilter()
2605 (void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode, in ip_mc_msfilter()
2608 rcu_assign_pointer(pmc->sflist, newpsl); in ip_mc_msfilter()
2611 pmc->sfmode = msf->imsf_fmode; in ip_mc_msfilter()
2624 struct ip_mc_socklist *pmc; in ip_mc_msfget() local
2646 for_each_pmc_rtnl(inet, pmc) { in ip_mc_msfget()
2647 if (pmc->multi.imr_multiaddr.s_addr == msf->imsf_multiaddr && in ip_mc_msfget()
2648 pmc->multi.imr_ifindex == imr.imr_ifindex) in ip_mc_msfget()
2651 if (!pmc) /* must have a prior join */ in ip_mc_msfget()
2653 msf->imsf_fmode = pmc->sfmode; in ip_mc_msfget()
2654 psl = rtnl_dereference(pmc->sflist); in ip_mc_msfget()
2684 struct ip_mc_socklist *pmc; in ip_mc_gsfget() local
2697 for_each_pmc_rtnl(inet, pmc) { in ip_mc_gsfget()
2698 if (pmc->multi.imr_multiaddr.s_addr == addr && in ip_mc_gsfget()
2699 pmc->multi.imr_ifindex == gsf->gf_interface) in ip_mc_gsfget()
2702 if (!pmc) /* must have a prior join */ in ip_mc_gsfget()
2704 gsf->gf_fmode = pmc->sfmode; in ip_mc_gsfget()
2705 psl = rtnl_dereference(pmc->sflist); in ip_mc_gsfget()
2731 struct ip_mc_socklist *pmc; in ip_mc_sf_allow() local
2741 for_each_pmc_rcu(inet, pmc) { in ip_mc_sf_allow()
2742 if (pmc->multi.imr_multiaddr.s_addr == loc_addr && in ip_mc_sf_allow()
2743 (pmc->multi.imr_ifindex == dif || in ip_mc_sf_allow()
2744 (sdif && pmc->multi.imr_ifindex == sdif))) in ip_mc_sf_allow()
2748 if (!pmc) in ip_mc_sf_allow()
2750 psl = rcu_dereference(pmc->sflist); in ip_mc_sf_allow()
2751 ret = (pmc->sfmode == MCAST_EXCLUDE); in ip_mc_sf_allow()
2760 if (pmc->sfmode == MCAST_INCLUDE && i >= psl->sl_count) in ip_mc_sf_allow()
2762 if (pmc->sfmode == MCAST_EXCLUDE && i < psl->sl_count) in ip_mc_sf_allow()