Lines Matching refs:pmc
79 static void mld_add_delrec(struct inet6_dev *idev, struct ifmcaddr6 *pmc);
80 static void mld_del_delrec(struct inet6_dev *idev, struct ifmcaddr6 *pmc);
83 static int sf_setstate(struct ifmcaddr6 *pmc);
84 static void sf_markstate(struct ifmcaddr6 *pmc);
85 static void ip6_mc_clear_src(struct ifmcaddr6 *pmc);
116 #define for_each_pmc_rcu(np, pmc) \ argument
117 for (pmc = rcu_dereference(np->ipv6_mc_list); \
118 pmc != NULL; \
119 pmc = rcu_dereference(pmc->next))
332 struct ipv6_mc_socklist *pmc; in ip6_mc_source() local
357 for_each_pmc_rcu(inet6, pmc) { in ip6_mc_source()
358 if (pgsr->gsr_interface && pmc->ifindex != pgsr->gsr_interface) in ip6_mc_source()
360 if (ipv6_addr_equal(&pmc->addr, group)) in ip6_mc_source()
363 if (!pmc) { /* must have a prior join */ in ip6_mc_source()
368 if (pmc->sflist) { in ip6_mc_source()
369 if (pmc->sfmode != omode) { in ip6_mc_source()
373 } else if (pmc->sfmode != omode) { in ip6_mc_source()
376 ip6_mc_del_src(idev, group, pmc->sfmode, 0, NULL, 0); in ip6_mc_source()
377 pmc->sfmode = omode; in ip6_mc_source()
380 write_lock(&pmc->sflock); in ip6_mc_source()
383 psl = pmc->sflist; in ip6_mc_source()
435 pmc->sflist = psl = newpsl; in ip6_mc_source()
452 write_unlock(&pmc->sflock); in ip6_mc_source()
463 struct ipv6_mc_socklist *pmc; in ip6_mc_msfilter() local
494 for_each_pmc_rcu(inet6, pmc) { in ip6_mc_msfilter()
495 if (pmc->ifindex != gsf->gf_interface) in ip6_mc_msfilter()
497 if (ipv6_addr_equal(&pmc->addr, group)) in ip6_mc_msfilter()
500 if (!pmc) { /* must have a prior join */ in ip6_mc_msfilter()
529 write_lock(&pmc->sflock); in ip6_mc_msfilter()
530 psl = pmc->sflist; in ip6_mc_msfilter()
532 (void) ip6_mc_del_src(idev, group, pmc->sfmode, in ip6_mc_msfilter()
536 (void) ip6_mc_del_src(idev, group, pmc->sfmode, 0, NULL, 0); in ip6_mc_msfilter()
537 pmc->sflist = newpsl; in ip6_mc_msfilter()
538 pmc->sfmode = gsf->gf_fmode; in ip6_mc_msfilter()
539 write_unlock(&pmc->sflock); in ip6_mc_msfilter()
554 struct ipv6_mc_socklist *pmc; in ip6_mc_msfget() local
579 for_each_pmc_rcu(inet6, pmc) { in ip6_mc_msfget()
580 if (pmc->ifindex != gsf->gf_interface) in ip6_mc_msfget()
582 if (ipv6_addr_equal(group, &pmc->addr)) in ip6_mc_msfget()
585 if (!pmc) /* must have a prior join */ in ip6_mc_msfget()
587 gsf->gf_fmode = pmc->sfmode; in ip6_mc_msfget()
588 psl = pmc->sflist; in ip6_mc_msfget()
729 struct ifmcaddr6 *pmc; in mld_add_delrec() local
737 pmc = kzalloc(sizeof(*pmc), GFP_ATOMIC); in mld_add_delrec()
738 if (!pmc) in mld_add_delrec()
742 spin_lock_init(&pmc->mca_lock); in mld_add_delrec()
743 pmc->idev = im->idev; in mld_add_delrec()
745 pmc->mca_addr = im->mca_addr; in mld_add_delrec()
746 pmc->mca_crcount = idev->mc_qrv; in mld_add_delrec()
747 pmc->mca_sfmode = im->mca_sfmode; in mld_add_delrec()
748 if (pmc->mca_sfmode == MCAST_INCLUDE) { in mld_add_delrec()
751 pmc->mca_tomb = im->mca_tomb; in mld_add_delrec()
752 pmc->mca_sources = im->mca_sources; in mld_add_delrec()
754 for (psf = pmc->mca_sources; psf; psf = psf->sf_next) in mld_add_delrec()
755 psf->sf_crcount = pmc->mca_crcount; in mld_add_delrec()
760 pmc->next = idev->mc_tomb; in mld_add_delrec()
761 idev->mc_tomb = pmc; in mld_add_delrec()
767 struct ifmcaddr6 *pmc, *pmc_prev; in mld_del_delrec() local
773 for (pmc = idev->mc_tomb; pmc; pmc = pmc->next) { in mld_del_delrec()
774 if (ipv6_addr_equal(&pmc->mca_addr, pmca)) in mld_del_delrec()
776 pmc_prev = pmc; in mld_del_delrec()
778 if (pmc) { in mld_del_delrec()
780 pmc_prev->next = pmc->next; in mld_del_delrec()
782 idev->mc_tomb = pmc->next; in mld_del_delrec()
787 if (pmc) { in mld_del_delrec()
788 im->idev = pmc->idev; in mld_del_delrec()
790 swap(im->mca_tomb, pmc->mca_tomb); in mld_del_delrec()
791 swap(im->mca_sources, pmc->mca_sources); in mld_del_delrec()
797 in6_dev_put(pmc->idev); in mld_del_delrec()
798 ip6_mc_clear_src(pmc); in mld_del_delrec()
799 kfree(pmc); in mld_del_delrec()
806 struct ifmcaddr6 *pmc, *nextpmc; in mld_clear_delrec() local
809 pmc = idev->mc_tomb; in mld_clear_delrec()
813 for (; pmc; pmc = nextpmc) { in mld_clear_delrec()
814 nextpmc = pmc->next; in mld_clear_delrec()
815 ip6_mc_clear_src(pmc); in mld_clear_delrec()
816 in6_dev_put(pmc->idev); in mld_clear_delrec()
817 kfree(pmc); in mld_clear_delrec()
822 for (pmc = idev->mc_list; pmc; pmc = pmc->next) { in mld_clear_delrec()
825 spin_lock_bh(&pmc->mca_lock); in mld_clear_delrec()
826 psf = pmc->mca_tomb; in mld_clear_delrec()
827 pmc->mca_tomb = NULL; in mld_clear_delrec()
828 spin_unlock_bh(&pmc->mca_lock); in mld_clear_delrec()
1106 static bool mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs, in mld_xmarksources() argument
1113 for (psf = pmc->mca_sources; psf; psf = psf->sf_next) { in mld_xmarksources()
1119 pmc->mca_sfcount[MCAST_EXCLUDE] != in mld_xmarksources()
1128 pmc->mca_flags &= ~MAF_GSQUERY; in mld_xmarksources()
1134 static bool mld_marksources(struct ifmcaddr6 *pmc, int nsrcs, in mld_marksources() argument
1140 if (pmc->mca_sfmode == MCAST_EXCLUDE) in mld_marksources()
1141 return mld_xmarksources(pmc, nsrcs, srcs); in mld_marksources()
1146 for (psf = pmc->mca_sources; psf; psf = psf->sf_next) { in mld_marksources()
1158 pmc->mca_flags &= ~MAF_GSQUERY; in mld_marksources()
1161 pmc->mca_flags |= MAF_GSQUERY; in mld_marksources()
1506 static bool is_in(struct ifmcaddr6 *pmc, struct ip6_sf_list *psf, int type, in is_in() argument
1514 if (!((pmc->mca_flags & MAF_GSQUERY) && !psf->sf_gsresp)) { in is_in()
1515 if (pmc->mca_sfmode == MCAST_INCLUDE) in is_in()
1522 return pmc->mca_sfcount[MCAST_EXCLUDE] == in is_in()
1533 if (pmc->mca_sfcount[MCAST_EXCLUDE] == 0 || in is_in()
1536 return pmc->mca_sfcount[MCAST_EXCLUDE] == in is_in()
1541 return (pmc->mca_sfmode == MCAST_INCLUDE) ^ sdeleted; in is_in()
1543 if (pmc->mca_sfmode == MCAST_INCLUDE) in is_in()
1551 mld_scount(struct ifmcaddr6 *pmc, int type, int gdeleted, int sdeleted) in mld_scount() argument
1556 for (psf = pmc->mca_sources; psf; psf = psf->sf_next) { in mld_scount()
1557 if (!is_in(pmc, psf, type, gdeleted, sdeleted)) in mld_scount()
1701 static int grec_size(struct ifmcaddr6 *pmc, int type, int gdel, int sdel) in grec_size() argument
1703 return sizeof(struct mld2_grec) + 16 * mld_scount(pmc,type,gdel,sdel); in grec_size()
1706 static struct sk_buff *add_grhead(struct sk_buff *skb, struct ifmcaddr6 *pmc, in add_grhead() argument
1713 skb = mld_newpack(pmc->idev, mtu); in add_grhead()
1721 pgr->grec_mca = pmc->mca_addr; /* structure copy */ in add_grhead()
1730 static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc, in add_grec() argument
1733 struct inet6_dev *idev = pmc->idev; in add_grec()
1741 if (pmc->mca_flags & MAF_NOREPORT) in add_grec()
1755 psf_list = sdeleted ? &pmc->mca_tomb : &pmc->mca_sources; in add_grec()
1765 AVAILABLE(skb) < grec_size(pmc, type, gdeleted, sdeleted)) { in add_grec()
1778 if (!is_in(pmc, psf, type, gdeleted, sdeleted) && !crsend) { in add_grec()
1786 if (((gdeleted && pmc->mca_sfmode == MCAST_EXCLUDE) || in add_grec()
1787 (!gdeleted && pmc->mca_crcount)) && in add_grec()
1809 skb = add_grhead(skb, pmc, type, &pgr, mtu); in add_grec()
1838 if (pmc->mca_crcount || isquery || crsend) { in add_grec()
1844 skb = add_grhead(skb, pmc, type, &pgr, mtu); in add_grec()
1851 pmc->mca_flags &= ~MAF_GSQUERY; /* clear query state */ in add_grec()
1855 static void mld_send_report(struct inet6_dev *idev, struct ifmcaddr6 *pmc) in mld_send_report() argument
1861 if (!pmc) { in mld_send_report()
1862 for (pmc = idev->mc_list; pmc; pmc = pmc->next) { in mld_send_report()
1863 if (pmc->mca_flags & MAF_NOREPORT) in mld_send_report()
1865 spin_lock_bh(&pmc->mca_lock); in mld_send_report()
1866 if (pmc->mca_sfcount[MCAST_EXCLUDE]) in mld_send_report()
1870 skb = add_grec(skb, pmc, type, 0, 0, 0); in mld_send_report()
1871 spin_unlock_bh(&pmc->mca_lock); in mld_send_report()
1874 spin_lock_bh(&pmc->mca_lock); in mld_send_report()
1875 if (pmc->mca_sfcount[MCAST_EXCLUDE]) in mld_send_report()
1879 skb = add_grec(skb, pmc, type, 0, 0, 0); in mld_send_report()
1880 spin_unlock_bh(&pmc->mca_lock); in mld_send_report()
1910 struct ifmcaddr6 *pmc, *pmc_prev, *pmc_next; in mld_send_cr() local
1919 for (pmc = idev->mc_tomb; pmc; pmc = pmc_next) { in mld_send_cr()
1920 pmc_next = pmc->next; in mld_send_cr()
1921 if (pmc->mca_sfmode == MCAST_INCLUDE) { in mld_send_cr()
1924 skb = add_grec(skb, pmc, type, 1, 0, 0); in mld_send_cr()
1925 skb = add_grec(skb, pmc, dtype, 1, 1, 0); in mld_send_cr()
1927 if (pmc->mca_crcount) { in mld_send_cr()
1928 if (pmc->mca_sfmode == MCAST_EXCLUDE) { in mld_send_cr()
1930 skb = add_grec(skb, pmc, type, 1, 0, 0); in mld_send_cr()
1932 pmc->mca_crcount--; in mld_send_cr()
1933 if (pmc->mca_crcount == 0) { in mld_send_cr()
1934 mld_clear_zeros(&pmc->mca_tomb); in mld_send_cr()
1935 mld_clear_zeros(&pmc->mca_sources); in mld_send_cr()
1938 if (pmc->mca_crcount == 0 && !pmc->mca_tomb && in mld_send_cr()
1939 !pmc->mca_sources) { in mld_send_cr()
1944 in6_dev_put(pmc->idev); in mld_send_cr()
1945 kfree(pmc); in mld_send_cr()
1947 pmc_prev = pmc; in mld_send_cr()
1952 for (pmc = idev->mc_list; pmc; pmc = pmc->next) { in mld_send_cr()
1953 spin_lock_bh(&pmc->mca_lock); in mld_send_cr()
1954 if (pmc->mca_sfcount[MCAST_EXCLUDE]) { in mld_send_cr()
1961 skb = add_grec(skb, pmc, type, 0, 0, 0); in mld_send_cr()
1962 skb = add_grec(skb, pmc, dtype, 0, 1, 0); /* deleted sources */ in mld_send_cr()
1965 if (pmc->mca_crcount) { in mld_send_cr()
1966 if (pmc->mca_sfmode == MCAST_EXCLUDE) in mld_send_cr()
1970 skb = add_grec(skb, pmc, type, 0, 0, 0); in mld_send_cr()
1971 pmc->mca_crcount--; in mld_send_cr()
1973 spin_unlock_bh(&pmc->mca_lock); in mld_send_cr()
2080 struct ifmcaddr6 *pmc; in mld_send_initial_cr() local
2088 for (pmc = idev->mc_list; pmc; pmc = pmc->next) { in mld_send_initial_cr()
2089 spin_lock_bh(&pmc->mca_lock); in mld_send_initial_cr()
2090 if (pmc->mca_sfcount[MCAST_EXCLUDE]) in mld_send_initial_cr()
2094 skb = add_grec(skb, pmc, type, 0, 0, 1); in mld_send_initial_cr()
2095 spin_unlock_bh(&pmc->mca_lock); in mld_send_initial_cr()
2128 static int ip6_mc_del1_src(struct ifmcaddr6 *pmc, int sfmode, in ip6_mc_del1_src() argument
2135 for (psf = pmc->mca_sources; psf; psf = psf->sf_next) { in ip6_mc_del1_src()
2146 struct inet6_dev *idev = pmc->idev; in ip6_mc_del1_src()
2152 pmc->mca_sources = psf->sf_next; in ip6_mc_del1_src()
2153 if (psf->sf_oldin && !(pmc->mca_flags & MAF_NOREPORT) && in ip6_mc_del1_src()
2156 psf->sf_next = pmc->mca_tomb; in ip6_mc_del1_src()
2157 pmc->mca_tomb = psf; in ip6_mc_del1_src()
2169 struct ifmcaddr6 *pmc; in ip6_mc_del_src() local
2176 for (pmc = idev->mc_list; pmc; pmc = pmc->next) { in ip6_mc_del_src()
2177 if (ipv6_addr_equal(pmca, &pmc->mca_addr)) in ip6_mc_del_src()
2180 if (!pmc) { in ip6_mc_del_src()
2185 spin_lock_bh(&pmc->mca_lock); in ip6_mc_del_src()
2186 sf_markstate(pmc); in ip6_mc_del_src()
2188 if (!pmc->mca_sfcount[sfmode]) { in ip6_mc_del_src()
2189 spin_unlock_bh(&pmc->mca_lock); in ip6_mc_del_src()
2193 pmc->mca_sfcount[sfmode]--; in ip6_mc_del_src()
2197 int rv = ip6_mc_del1_src(pmc, sfmode, &psfsrc[i]); in ip6_mc_del_src()
2203 if (pmc->mca_sfmode == MCAST_EXCLUDE && in ip6_mc_del_src()
2204 pmc->mca_sfcount[MCAST_EXCLUDE] == 0 && in ip6_mc_del_src()
2205 pmc->mca_sfcount[MCAST_INCLUDE]) { in ip6_mc_del_src()
2209 pmc->mca_sfmode = MCAST_INCLUDE; in ip6_mc_del_src()
2210 pmc->mca_crcount = idev->mc_qrv; in ip6_mc_del_src()
2211 idev->mc_ifc_count = pmc->mca_crcount; in ip6_mc_del_src()
2212 for (psf = pmc->mca_sources; psf; psf = psf->sf_next) in ip6_mc_del_src()
2214 mld_ifc_event(pmc->idev); in ip6_mc_del_src()
2215 } else if (sf_setstate(pmc) || changerec) in ip6_mc_del_src()
2216 mld_ifc_event(pmc->idev); in ip6_mc_del_src()
2217 spin_unlock_bh(&pmc->mca_lock); in ip6_mc_del_src()
2225 static int ip6_mc_add1_src(struct ifmcaddr6 *pmc, int sfmode, in ip6_mc_add1_src() argument
2231 for (psf = pmc->mca_sources; psf; psf = psf->sf_next) { in ip6_mc_add1_src()
2245 pmc->mca_sources = psf; in ip6_mc_add1_src()
2251 static void sf_markstate(struct ifmcaddr6 *pmc) in sf_markstate() argument
2254 int mca_xcount = pmc->mca_sfcount[MCAST_EXCLUDE]; in sf_markstate()
2256 for (psf = pmc->mca_sources; psf; psf = psf->sf_next) in sf_markstate()
2257 if (pmc->mca_sfcount[MCAST_EXCLUDE]) { in sf_markstate()
2265 static int sf_setstate(struct ifmcaddr6 *pmc) in sf_setstate() argument
2268 int mca_xcount = pmc->mca_sfcount[MCAST_EXCLUDE]; in sf_setstate()
2269 int qrv = pmc->idev->mc_qrv; in sf_setstate()
2273 for (psf = pmc->mca_sources; psf; psf = psf->sf_next) { in sf_setstate()
2274 if (pmc->mca_sfcount[MCAST_EXCLUDE]) { in sf_setstate()
2283 for (dpsf = pmc->mca_tomb; dpsf; in sf_setstate()
2294 pmc->mca_tomb = dpsf->sf_next; in sf_setstate()
2306 for (dpsf = pmc->mca_tomb; dpsf; dpsf = dpsf->sf_next) in sf_setstate()
2316 dpsf->sf_next = pmc->mca_tomb; in sf_setstate()
2317 pmc->mca_tomb = dpsf; in sf_setstate()
2333 struct ifmcaddr6 *pmc; in ip6_mc_add_src() local
2340 for (pmc = idev->mc_list; pmc; pmc = pmc->next) { in ip6_mc_add_src()
2341 if (ipv6_addr_equal(pmca, &pmc->mca_addr)) in ip6_mc_add_src()
2344 if (!pmc) { in ip6_mc_add_src()
2349 spin_lock_bh(&pmc->mca_lock); in ip6_mc_add_src()
2351 sf_markstate(pmc); in ip6_mc_add_src()
2352 isexclude = pmc->mca_sfmode == MCAST_EXCLUDE; in ip6_mc_add_src()
2354 pmc->mca_sfcount[sfmode]++; in ip6_mc_add_src()
2357 err = ip6_mc_add1_src(pmc, sfmode, &psfsrc[i]); in ip6_mc_add_src()
2365 pmc->mca_sfcount[sfmode]--; in ip6_mc_add_src()
2367 ip6_mc_del1_src(pmc, sfmode, &psfsrc[j]); in ip6_mc_add_src()
2368 } else if (isexclude != (pmc->mca_sfcount[MCAST_EXCLUDE] != 0)) { in ip6_mc_add_src()
2372 if (pmc->mca_sfcount[MCAST_EXCLUDE]) in ip6_mc_add_src()
2373 pmc->mca_sfmode = MCAST_EXCLUDE; in ip6_mc_add_src()
2374 else if (pmc->mca_sfcount[MCAST_INCLUDE]) in ip6_mc_add_src()
2375 pmc->mca_sfmode = MCAST_INCLUDE; in ip6_mc_add_src()
2378 pmc->mca_crcount = idev->mc_qrv; in ip6_mc_add_src()
2379 idev->mc_ifc_count = pmc->mca_crcount; in ip6_mc_add_src()
2380 for (psf = pmc->mca_sources; psf; psf = psf->sf_next) in ip6_mc_add_src()
2383 } else if (sf_setstate(pmc)) in ip6_mc_add_src()
2385 spin_unlock_bh(&pmc->mca_lock); in ip6_mc_add_src()
2390 static void ip6_mc_clear_src(struct ifmcaddr6 *pmc) in ip6_mc_clear_src() argument
2394 for (psf = pmc->mca_tomb; psf; psf = nextpsf) { in ip6_mc_clear_src()
2398 pmc->mca_tomb = NULL; in ip6_mc_clear_src()
2399 for (psf = pmc->mca_sources; psf; psf = nextpsf) { in ip6_mc_clear_src()
2403 pmc->mca_sources = NULL; in ip6_mc_clear_src()
2404 pmc->mca_sfmode = MCAST_EXCLUDE; in ip6_mc_clear_src()
2405 pmc->mca_sfcount[MCAST_INCLUDE] = 0; in ip6_mc_clear_src()
2406 pmc->mca_sfcount[MCAST_EXCLUDE] = 1; in ip6_mc_clear_src()
2629 struct ifmcaddr6 *pmc; in ipv6_mc_rejoin_groups() local
2635 for (pmc = idev->mc_list; pmc; pmc = pmc->next) in ipv6_mc_rejoin_groups()
2636 igmp6_join_group(pmc); in ipv6_mc_rejoin_groups()