Date: Thu, 9 Jan 2014 14:58:07 +0000 (UTC) From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r260481 - head/sys/netinet6 Message-ID: <201401091458.s09Ew7eb081212@svn.freebsd.org>
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Author: ae Date: Thu Jan 9 14:58:06 2014 New Revision: 260481 URL: http://svnweb.freebsd.org/changeset/base/260481 Log: Add MRT6_DLOG() macro for debugging. Reduce number of MRT6DEBUG ifdefs and fix some broken format strings. MFC after: 1 week Sponsored by: Yandex LLC Modified: head/sys/netinet6/ip6_mroute.c Modified: head/sys/netinet6/ip6_mroute.c ============================================================================== --- head/sys/netinet6/ip6_mroute.c Thu Jan 9 11:15:05 2014 (r260480) +++ head/sys/netinet6/ip6_mroute.c Thu Jan 9 14:58:06 2014 (r260481) @@ -221,6 +221,14 @@ static VNET_DEFINE(u_int, mrt6debug) = 0 #define DEBUG_XMIT 0x10 #define DEBUG_REG 0x20 #define DEBUG_PIM 0x40 +#define DEBUG_ERR 0x80 +#define DEBUG_ANY 0x7f +#define MRT6_DLOG(m, fmt, ...) \ + if (V_mrt6debug & (m)) \ + log(((m) & DEBUG_ERR) ? LOG_ERR: LOG_DEBUG, \ + "%s: " fmt "\n", __func__, ##__VA_ARGS__) +#else +#define MRT6_DLOG(m, fmt, ...) #endif static void expire_upcalls(void *); @@ -526,12 +534,8 @@ static int ip6_mrouter_init(struct socket *so, int v, int cmd) { -#ifdef MRT6DEBUG - if (V_mrt6debug) - log(LOG_DEBUG, - "ip6_mrouter_init: so_type = %d, pr_protocol = %d\n", - so->so_type, so->so_proto->pr_protocol); -#endif + MRT6_DLOG(DEBUG_ANY, "so_type = %d, pr_protocol = %d", + so->so_type, so->so_proto->pr_protocol); if (so->so_type != SOCK_RAW || so->so_proto->pr_protocol != IPPROTO_ICMPV6) @@ -560,11 +564,7 @@ ip6_mrouter_init(struct socket *so, int expire_upcalls, NULL); MROUTER6_UNLOCK(); - -#ifdef MRT6DEBUG - if (V_mrt6debug) - log(LOG_DEBUG, "ip6_mrouter_init\n"); -#endif + MRT6_DLOG(DEBUG_ANY, "finished"); return (0); } @@ -642,11 +642,7 @@ X_ip6_mrouter_done(void) V_ip6_mrouter_ver = 0; MROUTER6_UNLOCK(); - -#ifdef MRT6DEBUG - if (V_mrt6debug) - log(LOG_DEBUG, "ip6_mrouter_done\n"); -#endif + MRT6_DLOG(DEBUG_ANY, "finished"); return (0); } @@ -727,14 +723,8 @@ add_m6if(struct mif6ctl *mifcp) nummifs = mifcp->mif6c_mifi + 1; MIF6_UNLOCK(); - -#ifdef MRT6DEBUG - if (V_mrt6debug) - log(LOG_DEBUG, - "add_mif #%d, phyint %s\n", - mifcp->mif6c_mifi, - ifp->if_xname); -#endif + MRT6_DLOG(DEBUG_ANY, "mif #%d, phyint %s", mifcp->mif6c_mifi, + if_name(ifp)); return (0); } @@ -777,11 +767,7 @@ del_m6if_locked(mifi_t *mifip) if (mif6table[mifi - 1].m6_ifp) break; nummifs = mifi; - -#ifdef MRT6DEBUG - if (V_mrt6debug) - log(LOG_DEBUG, "del_m6if %d, nummifs %d\n", *mifip, nummifs); -#endif + MRT6_DLOG(DEBUG_ANY, "mif %d, nummifs %d", *mifip, nummifs); return (0); } @@ -817,15 +803,10 @@ add_m6fc(struct mf6cctl *mfccp) /* If an entry already exists, just update the fields */ if (rt) { -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_MFC) { - log(LOG_DEBUG, - "add_m6fc no upcall h %d o %s g %s p %x\n", - ip6_sprintf(ip6bufo, &mfccp->mf6cc_origin.sin6_addr), - ip6_sprintf(ip6bufg, &mfccp->mf6cc_mcastgrp.sin6_addr), - mfccp->mf6cc_parent); - } -#endif + MRT6_DLOG(DEBUG_MFC, "no upcall o %s g %s p %x", + ip6_sprintf(ip6bufo, &mfccp->mf6cc_origin.sin6_addr), + ip6_sprintf(ip6bufg, &mfccp->mf6cc_mcastgrp.sin6_addr), + mfccp->mf6cc_parent); rt->mf6c_parent = mfccp->mf6cc_parent; rt->mf6c_ifset = mfccp->mf6cc_ifset; @@ -856,16 +837,12 @@ add_m6fc(struct mf6cctl *mfccp) &mfccp->mf6cc_mcastgrp.sin6_addr), mfccp->mf6cc_parent, rt->mf6c_stall); -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_MFC) - log(LOG_DEBUG, - "add_m6fc o %s g %s p %x dbg %x\n", - ip6_sprintf(ip6bufo, - &mfccp->mf6cc_origin.sin6_addr), - ip6_sprintf(ip6bufg, - &mfccp->mf6cc_mcastgrp.sin6_addr), - mfccp->mf6cc_parent, rt->mf6c_stall); -#endif + MRT6_DLOG(DEBUG_MFC, "o %s g %s p %x dbg %p", + ip6_sprintf(ip6bufo, + &mfccp->mf6cc_origin.sin6_addr), + ip6_sprintf(ip6bufg, + &mfccp->mf6cc_mcastgrp.sin6_addr), + mfccp->mf6cc_parent, rt->mf6c_stall); rt->mf6c_origin = mfccp->mf6cc_origin; rt->mf6c_mcastgrp = mfccp->mf6cc_mcastgrp; @@ -898,15 +875,10 @@ add_m6fc(struct mf6cctl *mfccp) * It is possible that an entry is being inserted without an upcall */ if (nstl == 0) { -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_MFC) - log(LOG_DEBUG, - "add_mfc no upcall h %d o %s g %s p %x\n", - hash, - ip6_sprintf(ip6bufo, &mfccp->mf6cc_origin.sin6_addr), - ip6_sprintf(ip6bufg, &mfccp->mf6cc_mcastgrp.sin6_addr), - mfccp->mf6cc_parent); -#endif + MRT6_DLOG(DEBUG_MFC, "no upcall h %lu o %s g %s p %x", hash, + ip6_sprintf(ip6bufo, &mfccp->mf6cc_origin.sin6_addr), + ip6_sprintf(ip6bufg, &mfccp->mf6cc_mcastgrp.sin6_addr), + mfccp->mf6cc_parent); for (rt = mf6ctable[hash]; rt; rt = rt->mf6c_next) { @@ -992,6 +964,9 @@ collate(struct timeval *t) static int del_m6fc(struct mf6cctl *mfccp) { +#ifdef MRT6DEBUG + char ip6bufo[INET6_ADDRSTRLEN], ip6bufg[INET6_ADDRSTRLEN]; +#endif struct sockaddr_in6 origin; struct sockaddr_in6 mcastgrp; struct mf6c *rt; @@ -1002,14 +977,9 @@ del_m6fc(struct mf6cctl *mfccp) mcastgrp = mfccp->mf6cc_mcastgrp; hash = MF6CHASH(origin.sin6_addr, mcastgrp.sin6_addr); -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_MFC) { - char ip6bufo[INET6_ADDRSTRLEN], ip6bufg[INET6_ADDRSTRLEN]; - log(LOG_DEBUG,"del_m6fc orig %s mcastgrp %s\n", - ip6_sprintf(ip6bufo, &origin.sin6_addr), - ip6_sprintf(ip6bufg, &mcastgrp.sin6_addr)); - } -#endif + MRT6_DLOG(DEBUG_MFC, "orig %s mcastgrp %s", + ip6_sprintf(ip6bufo, &origin.sin6_addr), + ip6_sprintf(ip6bufg, &mcastgrp.sin6_addr)); MFC6_LOCK(); @@ -1080,13 +1050,9 @@ X_ip6_mforward(struct ip6_hdr *ip6, stru mifi_t mifi; char ip6bufs[INET6_ADDRSTRLEN], ip6bufd[INET6_ADDRSTRLEN]; -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_FORWARD) - log(LOG_DEBUG, "ip6_mforward: src %s, dst %s, ifindex %d\n", - ip6_sprintf(ip6bufs, &ip6->ip6_src), - ip6_sprintf(ip6bufd, &ip6->ip6_dst), - ifp->if_index); -#endif + MRT6_DLOG(DEBUG_FORWARD, "src %s, dst %s, ifindex %d", + ip6_sprintf(ip6bufs, &ip6->ip6_src), + ip6_sprintf(ip6bufd, &ip6->ip6_dst), ifp->if_index); /* * Don't forward a packet with Hop limit of zero or one, @@ -1148,12 +1114,9 @@ X_ip6_mforward(struct ip6_hdr *ip6, stru #endif /* UPCALL_TIMING */ MRT6STAT_INC(mrt6s_no_route); -#ifdef MRT6DEBUG - if (V_mrt6debug & (DEBUG_FORWARD | DEBUG_MFC)) - log(LOG_DEBUG, "ip6_mforward: no rte s %s g %s\n", - ip6_sprintf(ip6bufs, &ip6->ip6_src), - ip6_sprintf(ip6bufd, &ip6->ip6_dst)); -#endif + MRT6_DLOG(DEBUG_FORWARD | DEBUG_MFC, "no rte s %s g %s", + ip6_sprintf(ip6bufs, &ip6->ip6_src), + ip6_sprintf(ip6bufd, &ip6->ip6_dst)); /* * Allocate mbufs early so that we don't do extra work if we @@ -1249,11 +1212,8 @@ X_ip6_mforward(struct ip6_hdr *ip6, stru return (EINVAL); } -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_FORWARD) - log(LOG_DEBUG, - "getting the iif info in the kernel\n"); -#endif + MRT6_DLOG(DEBUG_FORWARD, + "getting the iif info in the kernel"); for (mifp = mif6table, mifi = 0; mifi < nummifs && mifp->m6_ifp != ifp; @@ -1339,6 +1299,9 @@ X_ip6_mforward(struct ip6_hdr *ip6, stru static void expire_upcalls(void *unused) { +#ifdef MRT6DEBUG + char ip6bufo[INET6_ADDRSTRLEN], ip6bufg[INET6_ADDRSTRLEN]; +#endif struct rtdetq *rte; struct mf6c *mfc, **nptr; u_long i; @@ -1358,15 +1321,9 @@ expire_upcalls(void *unused) if (rte != NULL && mfc->mf6c_expire != 0 && --mfc->mf6c_expire == 0) { -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_EXPIRE) { - char ip6bufo[INET6_ADDRSTRLEN]; - char ip6bufg[INET6_ADDRSTRLEN]; - log(LOG_DEBUG, "expire_upcalls: expiring (%s %s)\n", - ip6_sprintf(ip6bufo, &mfc->mf6c_origin.sin6_addr), - ip6_sprintf(ip6bufg, &mfc->mf6c_mcastgrp.sin6_addr)); - } -#endif + MRT6_DLOG(DEBUG_EXPIRE, "expiring (%s %s)", + ip6_sprintf(ip6bufo, &mfc->mf6c_origin.sin6_addr), + ip6_sprintf(ip6bufg, &mfc->mf6c_mcastgrp.sin6_addr)); /* * drop all the packets * free the mbuf with the pkt, if, timing info @@ -1426,13 +1383,9 @@ ip6_mdq(struct mbuf *m, struct ifnet *if mifi = rt->mf6c_parent; if ((mifi >= nummifs) || (mif6table[mifi].m6_ifp != ifp)) { /* came in the wrong interface */ -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_FORWARD) - log(LOG_DEBUG, - "wrong if: ifid %d mifi %d mififid %x\n", - ifp->if_index, mifi, - mif6table[mifi].m6_ifp->if_index); -#endif + MRT6_DLOG(DEBUG_FORWARD, + "wrong if: ifid %d mifi %d mififid %x", ifp->if_index, + mifi, mif6table[mifi].m6_ifp->if_index); MRT6STAT_INC(mrt6s_wrong_if); rt->mf6c_wrong_if++; /* @@ -1509,10 +1462,8 @@ ip6_mdq(struct mbuf *m, struct ifnet *if MRT6STAT_INC(mrt6s_upcalls); if (socket_send(V_ip6_mrouter, mm, &sin6) < 0) { -#ifdef MRT6DEBUG - if (V_mrt6debug) - log(LOG_WARNING, "mdq, ip6_mrouter socket queue full\n"); -#endif + MRT6_DLOG(DEBUG_ANY, + "ip6_mrouter socket queue full"); MRT6STAT_INC(mrt6s_upq_sockfull); return (ENOBUFS); } /* if socket Q full */ @@ -1576,6 +1527,9 @@ ip6_mdq(struct mbuf *m, struct ifnet *if static void phyint_send(struct ip6_hdr *ip6, struct mif6 *mifp, struct mbuf *m) { +#ifdef MRT6DEBUG + char ip6bufs[INET6_ADDRSTRLEN], ip6bufd[INET6_ADDRSTRLEN]; +#endif struct mbuf *mb_copy; struct ifnet *ifp = mifp->m6_ifp; int error = 0; @@ -1613,11 +1567,8 @@ phyint_send(struct ip6_hdr *ip6, struct error = ip6_output(mb_copy, NULL, NULL, IPV6_FORWARDING, &im6o, NULL, NULL); -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_XMIT) - log(LOG_DEBUG, "phyint_send on mif %d err %d\n", - mifp - mif6table, error); -#endif + MRT6_DLOG(DEBUG_XMIT, "mif %u err %d", + (uint16_t)(mifp - mif6table), error); return; } @@ -1656,11 +1607,8 @@ phyint_send(struct ip6_hdr *ip6, struct m_clrprotoflags(m); /* Avoid confusing lower layers. */ error = (*ifp->if_output)(ifp, mb_copy, (struct sockaddr *)&dst6, NULL); -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_XMIT) - log(LOG_DEBUG, "phyint_send on mif %d err %d\n", - mifp - mif6table, error); -#endif + MRT6_DLOG(DEBUG_XMIT, "mif %u err %d", + (uint16_t)(mifp - mif6table), error); } else { /* * pMTU discovery is intentionally disabled by default, since @@ -1670,19 +1618,11 @@ phyint_send(struct ip6_hdr *ip6, struct if (V_ip6_mcast_pmtu) icmp6_error(mb_copy, ICMP6_PACKET_TOO_BIG, 0, linkmtu); else { -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_XMIT) { - char ip6bufs[INET6_ADDRSTRLEN]; - char ip6bufd[INET6_ADDRSTRLEN]; - log(LOG_DEBUG, - "phyint_send: packet too big on %s o %s " - "g %s size %d(discarded)\n", - if_name(ifp), - ip6_sprintf(ip6bufs, &ip6->ip6_src), - ip6_sprintf(ip6bufd, &ip6->ip6_dst), - mb_copy->m_pkthdr.len); - } -#endif /* MRT6DEBUG */ + MRT6_DLOG(DEBUG_XMIT, " packet too big on %s o %s " + "g %s size %d (discarded)", if_name(ifp), + ip6_sprintf(ip6bufs, &ip6->ip6_src), + ip6_sprintf(ip6bufd, &ip6->ip6_dst), + mb_copy->m_pkthdr.len); m_freem(mb_copy); /* simply discard the packet */ } } @@ -1691,19 +1631,17 @@ phyint_send(struct ip6_hdr *ip6, struct static int register_send(struct ip6_hdr *ip6, struct mif6 *mif, struct mbuf *m) { +#ifdef MRT6DEBUG + char ip6bufs[INET6_ADDRSTRLEN], ip6bufd[INET6_ADDRSTRLEN]; +#endif struct mbuf *mm; int i, len = m->m_pkthdr.len; static struct sockaddr_in6 sin6 = { sizeof(sin6), AF_INET6 }; struct mrt6msg *im6; -#ifdef MRT6DEBUG - if (V_mrt6debug) { - char ip6bufs[INET6_ADDRSTRLEN], ip6bufd[INET6_ADDRSTRLEN]; - log(LOG_DEBUG, "** IPv6 register_send **\n src %s dst %s\n", - ip6_sprintf(ip6bufs, &ip6->ip6_src), - ip6_sprintf(ip6bufd, &ip6->ip6_dst)); - } -#endif + MRT6_DLOG(DEBUG_ANY, "src %s dst %s", + ip6_sprintf(ip6bufs, &ip6->ip6_src), + ip6_sprintf(ip6bufd, &ip6->ip6_dst)); PIM6STAT_INC(pim6s_snd_registers); /* Make a copy of the packet to send to the user level process. */ @@ -1741,11 +1679,7 @@ register_send(struct ip6_hdr *ip6, struc MRT6STAT_INC(mrt6s_upcalls); if (socket_send(V_ip6_mrouter, mm, &sin6) < 0) { -#ifdef MRT6DEBUG - if (V_mrt6debug) - log(LOG_WARNING, - "register_send: ip6_mrouter socket queue full\n"); -#endif + MRT6_DLOG(DEBUG_ANY, "ip6_mrouter socket queue full"); MRT6STAT_INC(mrt6s_upq_sockfull); return (ENOBUFS); } @@ -1797,10 +1731,7 @@ pim6_input(struct mbuf **mp, int *offp, */ if (pimlen < PIM_MINLEN) { PIM6STAT_INC(pim6s_rcv_tooshort); -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_PIM) - log(LOG_DEBUG,"pim6_input: PIM packet too short\n"); -#endif + MRT6_DLOG(DEBUG_PIM, "PIM packet too short"); m_freem(m); return (IPPROTO_DONE); } @@ -1850,11 +1781,7 @@ pim6_input(struct mbuf **mp, int *offp, if (in6_cksum(m, IPPROTO_PIM, off, cksumlen)) { PIM6STAT_INC(pim6s_rcv_badsum); -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_PIM) - log(LOG_DEBUG, - "pim6_input: invalid checksum\n"); -#endif + MRT6_DLOG(DEBUG_PIM, "invalid checksum"); m_freem(m); return (IPPROTO_DONE); } @@ -1864,11 +1791,9 @@ pim6_input(struct mbuf **mp, int *offp, /* PIM version check */ if (pim->pim_ver != PIM_VERSION) { PIM6STAT_INC(pim6s_rcv_badversion); -#ifdef MRT6DEBUG - log(LOG_ERR, - "pim6_input: incorrect version %d, expecting %d\n", + MRT6_DLOG(DEBUG_ANY | DEBUG_ERR, + "incorrect version %d, expecting %d", pim->pim_ver, PIM_VERSION); -#endif m_freem(m); return (IPPROTO_DONE); } @@ -1892,12 +1817,8 @@ pim6_input(struct mbuf **mp, int *offp, PIM6STAT_INC(pim6s_rcv_registers); if ((reg_mif_num >= nummifs) || (reg_mif_num == (mifi_t) -1)) { -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_PIM) - log(LOG_DEBUG, - "pim6_input: register mif not set: %d\n", - reg_mif_num); -#endif + MRT6_DLOG(DEBUG_PIM, "register mif not set: %d", + reg_mif_num); m_freem(m); return (IPPROTO_DONE); } @@ -1913,35 +1834,25 @@ pim6_input(struct mbuf **mp, int *offp, if (pimlen < PIM6_REG_MINLEN) { PIM6STAT_INC(pim6s_rcv_tooshort); PIM6STAT_INC(pim6s_rcv_badregisters); -#ifdef MRT6DEBUG - log(LOG_ERR, - "pim6_input: register packet size too " - "small %d from %s\n", + MRT6_DLOG(DEBUG_ANY | DEBUG_ERR, "register packet " + "size too small %d from %s", pimlen, ip6_sprintf(ip6bufs, &ip6->ip6_src)); -#endif m_freem(m); return (IPPROTO_DONE); } eip6 = (struct ip6_hdr *) (reghdr + 1); -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_PIM) - log(LOG_DEBUG, - "pim6_input[register], eip6: %s -> %s, " - "eip6 plen %d\n", - ip6_sprintf(ip6bufs, &eip6->ip6_src), - ip6_sprintf(ip6bufd, &eip6->ip6_dst), - ntohs(eip6->ip6_plen)); -#endif + MRT6_DLOG(DEBUG_PIM, "eip6: %s -> %s, eip6 plen %d", + ip6_sprintf(ip6bufs, &eip6->ip6_src), + ip6_sprintf(ip6bufd, &eip6->ip6_dst), + ntohs(eip6->ip6_plen)); /* verify the version number of the inner packet */ if ((eip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION) { PIM6STAT_INC(pim6s_rcv_badregisters); -#ifdef MRT6DEBUG - log(LOG_DEBUG, "pim6_input: invalid IP version (%d) " - "of the inner packet\n", + MRT6_DLOG(DEBUG_ANY, "invalid IP version (%d) " + "of the inner packet", (eip6->ip6_vfc & IPV6_VERSION)); -#endif m_freem(m); return (IPPROTO_NONE); } @@ -1949,13 +1860,9 @@ pim6_input(struct mbuf **mp, int *offp, /* verify the inner packet is destined to a mcast group */ if (!IN6_IS_ADDR_MULTICAST(&eip6->ip6_dst)) { PIM6STAT_INC(pim6s_rcv_badregisters); -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_PIM) - log(LOG_DEBUG, - "pim6_input: inner packet of register " - "is not multicast %s\n", - ip6_sprintf(ip6bufd, &eip6->ip6_dst)); -#endif + MRT6_DLOG(DEBUG_PIM, "inner packet of register " + "is not multicast %s", + ip6_sprintf(ip6bufd, &eip6->ip6_dst)); m_freem(m); return (IPPROTO_DONE); } @@ -1965,11 +1872,8 @@ pim6_input(struct mbuf **mp, int *offp, */ mcp = m_copy(m, 0, off + PIM6_REG_MINLEN); if (mcp == NULL) { -#ifdef MRT6DEBUG - log(LOG_ERR, - "pim6_input: pim register: " - "could not copy register head\n"); -#endif + MRT6_DLOG(DEBUG_ANY | DEBUG_ERR, "pim register: " + "could not copy register head"); m_freem(m); return (IPPROTO_DONE); } @@ -1978,16 +1882,10 @@ pim6_input(struct mbuf **mp, int *offp, * forward the inner ip6 packet; point m_data at the inner ip6. */ m_adj(m, off + PIM_MINLEN); -#ifdef MRT6DEBUG - if (V_mrt6debug & DEBUG_PIM) { - log(LOG_DEBUG, - "pim6_input: forwarding decapsulated register: " - "src %s, dst %s, mif %d\n", - ip6_sprintf(ip6bufs, &eip6->ip6_src), - ip6_sprintf(ip6bufd, &eip6->ip6_dst), - reg_mif_num); - } -#endif + MRT6_DLOG(DEBUG_PIM, "forwarding decapsulated register: " + "src %s, dst %s, mif %d", + ip6_sprintf(ip6bufs, &eip6->ip6_src), + ip6_sprintf(ip6bufd, &eip6->ip6_dst), reg_mif_num); rc = if_simloop(mif6table[reg_mif_num].m6_ifp, m, dst.sin6_family, 0);
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