diff options
Diffstat (limited to 'net/ipv6')
51 files changed, 1742 insertions, 1310 deletions
diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig index 79682efb14b..8e5d54f23b4 100644 --- a/net/ipv6/Kconfig +++ b/net/ipv6/Kconfig @@ -57,6 +57,16 @@ config IPV6_ROUTE_INFO If unsure, say N. +config IPV6_OPTIMISTIC_DAD + bool "IPv6: Enable RFC 4429 Optimistic DAD (EXPERIMENTAL)" + depends on IPV6 && EXPERIMENTAL + ---help--- + This is experimental support for optimistic Duplicate + Address Detection. It allows for autoconfigured addresses + to be used more quickly. + + If unsure, say N. + config INET6_AH tristate "IPv6: AH transformation" depends on IPV6 diff --git a/net/ipv6/Makefile b/net/ipv6/Makefile index d460017bb35..bb33309044c 100644 --- a/net/ipv6/Makefile +++ b/net/ipv6/Makefile @@ -7,14 +7,15 @@ obj-$(CONFIG_IPV6) += ipv6.o ipv6-objs := af_inet6.o anycast.o ip6_output.o ip6_input.o addrconf.o \ route.o ip6_fib.o ipv6_sockglue.o ndisc.o udp.o udplite.o \ raw.o protocol.o icmp.o mcast.o reassembly.o tcp_ipv6.o \ - exthdrs.o sysctl_net_ipv6.o datagram.o proc.o \ - ip6_flowlabel.o ipv6_syms.o inet6_connection_sock.o + exthdrs.o sysctl_net_ipv6.o datagram.o \ + ip6_flowlabel.o inet6_connection_sock.o ipv6-$(CONFIG_XFRM) += xfrm6_policy.o xfrm6_state.o xfrm6_input.o \ xfrm6_output.o ipv6-$(CONFIG_NETFILTER) += netfilter.o ipv6-$(CONFIG_IPV6_MULTIPLE_TABLES) += fib6_rules.o ipv6-$(CONFIG_IPV6_MIP6) += mip6.o +ipv6-$(CONFIG_PROC_FS) += proc.o ipv6-objs += $(ipv6-y) diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 452a82ce479..e04e4937350 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -81,6 +81,7 @@ #endif #include <asm/uaccess.h> +#include <asm/unaligned.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> @@ -208,9 +209,7 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = { }; /* IPv6 Wildcard Address and Loopback Address defined by RFC2553 */ -#if 0 const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT; -#endif const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT; static void addrconf_del_timer(struct inet6_ifaddr *ifp) @@ -246,6 +245,37 @@ static void addrconf_mod_timer(struct inet6_ifaddr *ifp, add_timer(&ifp->timer); } +static int snmp6_alloc_dev(struct inet6_dev *idev) +{ + int err = -ENOMEM; + + if (!idev || !idev->dev) + return -EINVAL; + + if (snmp_mib_init((void **)idev->stats.ipv6, + sizeof(struct ipstats_mib), + __alignof__(struct ipstats_mib)) < 0) + goto err_ip; + if (snmp_mib_init((void **)idev->stats.icmpv6, + sizeof(struct icmpv6_mib), + __alignof__(struct icmpv6_mib)) < 0) + goto err_icmp; + + return 0; + +err_icmp: + snmp_mib_free((void **)idev->stats.ipv6); +err_ip: + return err; +} + +static int snmp6_free_dev(struct inet6_dev *idev) +{ + snmp_mib_free((void **)idev->stats.icmpv6); + snmp_mib_free((void **)idev->stats.ipv6); + return 0; +} + /* Nobody refers to this device, we may destroy it. */ static void in6_dev_finish_destroy_rcu(struct rcu_head *head) @@ -271,6 +301,8 @@ void in6_dev_finish_destroy(struct inet6_dev *idev) call_rcu(&idev->rcu, in6_dev_finish_destroy_rcu); } +EXPORT_SYMBOL(in6_dev_finish_destroy); + static struct inet6_dev * ipv6_add_dev(struct net_device *dev) { struct inet6_dev *ndev; @@ -528,6 +560,16 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen, ifa->rt = rt; + /* + * part one of RFC 4429, section 3.3 + * We should not configure an address as + * optimistic if we do not yet know the link + * layer address of our nexhop router + */ + + if (rt->rt6i_nexthop == NULL) + ifa->flags &= ~IFA_F_OPTIMISTIC; + ifa->idev = idev; in6_dev_hold(idev); /* For caller */ @@ -704,6 +746,7 @@ static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, struct inet6_ifaddr *i int tmp_plen; int ret = 0; int max_addresses; + u32 addr_flags; write_lock(&idev->lock); if (ift) { @@ -761,10 +804,17 @@ retry: spin_unlock_bh(&ifp->lock); write_unlock(&idev->lock); + + addr_flags = IFA_F_TEMPORARY; + /* set in addrconf_prefix_rcv() */ + if (ifp->flags & IFA_F_OPTIMISTIC) + addr_flags |= IFA_F_OPTIMISTIC; + ift = !max_addresses || ipv6_count_addresses(idev) < max_addresses ? ipv6_add_addr(idev, &addr, tmp_plen, - ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK, IFA_F_TEMPORARY) : NULL; + ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK, + addr_flags) : NULL; if (!ift || IS_ERR(ift)) { in6_ifa_put(ifp); in6_dev_put(idev); @@ -896,13 +946,14 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev, * - Tentative Address (RFC2462 section 5.4) * - A tentative address is not considered * "assigned to an interface" in the traditional - * sense. + * sense, unless it is also flagged as optimistic. * - Candidate Source Address (section 4) * - In any case, anycast addresses, multicast * addresses, and the unspecified address MUST * NOT be included in a candidate set. */ - if (ifa->flags & IFA_F_TENTATIVE) + if ((ifa->flags & IFA_F_TENTATIVE) && + (!(ifa->flags & IFA_F_OPTIMISTIC))) continue; if (unlikely(score.addr_type == IPV6_ADDR_ANY || score.addr_type & IPV6_ADDR_MULTICAST)) { @@ -961,15 +1012,17 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev, } } - /* Rule 3: Avoid deprecated address */ + /* Rule 3: Avoid deprecated and optimistic addresses */ if (hiscore.rule < 3) { if (ipv6_saddr_preferred(hiscore.addr_type) || - !(ifa_result->flags & IFA_F_DEPRECATED)) + (((ifa_result->flags & + (IFA_F_DEPRECATED|IFA_F_OPTIMISTIC)) == 0))) hiscore.attrs |= IPV6_SADDR_SCORE_PREFERRED; hiscore.rule++; } if (ipv6_saddr_preferred(score.addr_type) || - !(ifa->flags & IFA_F_DEPRECATED)) { + (((ifa_result->flags & + (IFA_F_DEPRECATED|IFA_F_OPTIMISTIC)) == 0))) { score.attrs |= IPV6_SADDR_SCORE_PREFERRED; if (!(hiscore.attrs & IPV6_SADDR_SCORE_PREFERRED)) { score.rule = 3; @@ -1107,8 +1160,10 @@ int ipv6_get_saddr(struct dst_entry *dst, return ipv6_dev_get_saddr(dst ? ip6_dst_idev(dst)->dev : NULL, daddr, saddr); } +EXPORT_SYMBOL(ipv6_get_saddr); -int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr) +int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr, + unsigned char banned_flags) { struct inet6_dev *idev; int err = -EADDRNOTAVAIL; @@ -1119,7 +1174,7 @@ int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr) read_lock_bh(&idev->lock); for (ifp=idev->addr_list; ifp; ifp=ifp->if_next) { - if (ifp->scope == IFA_LINK && !(ifp->flags&IFA_F_TENTATIVE)) { + if (ifp->scope == IFA_LINK && !(ifp->flags & banned_flags)) { ipv6_addr_copy(addr, &ifp->addr); err = 0; break; @@ -1161,6 +1216,8 @@ int ipv6_chk_addr(struct in6_addr *addr, struct net_device *dev, int strict) return ifp != NULL; } +EXPORT_SYMBOL(ipv6_chk_addr); + static int ipv6_chk_same_addr(const struct in6_addr *addr, struct net_device *dev) { @@ -1669,6 +1726,13 @@ ok: if (ifp == NULL && valid_lft) { int max_addresses = in6_dev->cnf.max_addresses; + u32 addr_flags = 0; + +#ifdef CONFIG_IPV6_OPTIMISTIC_DAD + if (in6_dev->cnf.optimistic_dad && + !ipv6_devconf.forwarding) + addr_flags = IFA_F_OPTIMISTIC; +#endif /* Do not allow to create too much of autoconfigured * addresses; this would be too easy way to crash kernel. @@ -1676,7 +1740,8 @@ ok: if (!max_addresses || ipv6_count_addresses(in6_dev) < max_addresses) ifp = ipv6_add_addr(in6_dev, &addr, pinfo->prefix_len, - addr_type&IPV6_ADDR_SCOPE_MASK, 0); + addr_type&IPV6_ADDR_SCOPE_MASK, + addr_flags); if (!ifp || IS_ERR(ifp)) { in6_dev_put(in6_dev); @@ -1884,6 +1949,11 @@ static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen, addrconf_prefix_route(&ifp->addr, ifp->prefix_len, dev, jiffies_to_clock_t(valid_lft * HZ), flags); + /* + * Note that section 3.1 of RFC 4429 indicates + * that the Optimistic flag should not be set for + * manually configured addresses + */ addrconf_dad_start(ifp, 0); in6_ifa_put(ifp); addrconf_verify(0); @@ -2060,8 +2130,16 @@ static void init_loopback(struct net_device *dev) static void addrconf_add_linklocal(struct inet6_dev *idev, struct in6_addr *addr) { struct inet6_ifaddr * ifp; + u32 addr_flags = IFA_F_PERMANENT; + +#ifdef CONFIG_IPV6_OPTIMISTIC_DAD + if (idev->cnf.optimistic_dad && + !ipv6_devconf.forwarding) + addr_flags |= IFA_F_OPTIMISTIC; +#endif - ifp = ipv6_add_addr(idev, addr, 64, IFA_LINK, IFA_F_PERMANENT); + + ifp = ipv6_add_addr(idev, addr, 64, IFA_LINK, addr_flags); if (!IS_ERR(ifp)) { addrconf_prefix_route(&ifp->addr, ifp->prefix_len, idev->dev, 0, 0); addrconf_dad_start(ifp, 0); @@ -2129,7 +2207,7 @@ ipv6_inherit_linklocal(struct inet6_dev *idev, struct net_device *link_dev) { struct in6_addr lladdr; - if (!ipv6_get_lladdr(link_dev, &lladdr)) { + if (!ipv6_get_lladdr(link_dev, &lladdr, IFA_F_TENTATIVE)) { addrconf_add_linklocal(idev, &lladdr); return 0; } @@ -2240,7 +2318,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, default: addrconf_dev_config(dev); break; - }; + } if (idev) { if (run_pending) addrconf_dad_run(idev); @@ -2293,7 +2371,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, } #endif break; - }; + } return NOTIFY_OK; } @@ -2474,7 +2552,11 @@ static void addrconf_dad_kick(struct inet6_ifaddr *ifp) unsigned long rand_num; struct inet6_dev *idev = ifp->idev; - rand_num = net_random() % (idev->cnf.rtr_solicit_delay ? : 1); + if (ifp->flags & IFA_F_OPTIMISTIC) + rand_num = 0; + else + rand_num = net_random() % (idev->cnf.rtr_solicit_delay ? : 1); + ifp->probes = idev->cnf.dad_transmits; addrconf_mod_timer(ifp, AC_DAD, rand_num); } @@ -2496,7 +2578,7 @@ static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags) if (dev->flags&(IFF_NOARP|IFF_LOOPBACK) || !(ifp->flags&IFA_F_TENTATIVE) || ifp->flags & IFA_F_NODAD) { - ifp->flags &= ~IFA_F_TENTATIVE; + ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC); spin_unlock_bh(&ifp->lock); read_unlock_bh(&idev->lock); @@ -2516,6 +2598,14 @@ static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags) addrconf_dad_stop(ifp); return; } + + /* + * Optimistic nodes can start receiving + * Frames right away + */ + if(ifp->flags & IFA_F_OPTIMISTIC) + ip6_ins_rt(ifp->rt); + addrconf_dad_kick(ifp); spin_unlock_bh(&ifp->lock); out: @@ -2540,7 +2630,7 @@ static void addrconf_dad_timer(unsigned long data) * DAD was successful */ - ifp->flags &= ~IFA_F_TENTATIVE; + ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC); spin_unlock_bh(&ifp->lock); read_unlock_bh(&idev->lock); @@ -3164,7 +3254,6 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb, s_idx = cb->args[0]; s_ip_idx = ip_idx = cb->args[1]; - read_lock(&dev_base_lock); for (dev = dev_base, idx = 0; dev; dev = dev->next, idx++) { if (idx < s_idx) @@ -3226,7 +3315,6 @@ done: read_unlock_bh(&idev->lock); in6_dev_put(idev); } - read_unlock(&dev_base_lock); cb->args[0] = idx; cb->args[1] = ip_idx; return skb->len; @@ -3359,6 +3447,9 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf, #endif array[DEVCONF_PROXY_NDP] = cnf->proxy_ndp; array[DEVCONF_ACCEPT_SOURCE_ROUTE] = cnf->accept_source_route; +#ifdef CONFIG_IPV6_OPTIMISTIC_DAD + array[DEVCONF_OPTIMISTIC_DAD] = cnf->optimistic_dad; +#endif } static inline size_t inet6_if_nlmsg_size(void) @@ -3372,14 +3463,44 @@ static inline size_t inet6_if_nlmsg_size(void) nla_total_size(4) /* IFLA_INET6_FLAGS */ + nla_total_size(sizeof(struct ifla_cacheinfo)) + nla_total_size(DEVCONF_MAX * 4) /* IFLA_INET6_CONF */ + + nla_total_size(IPSTATS_MIB_MAX * 8) /* IFLA_INET6_STATS */ + + nla_total_size(ICMP6_MIB_MAX * 8) /* IFLA_INET6_ICMP6STATS */ ); } +static inline void __snmp6_fill_stats(u64 *stats, void **mib, int items, + int bytes) +{ + int i; + int pad = bytes - sizeof(u64) * items; + BUG_ON(pad < 0); + + /* Use put_unaligned() because stats may not be aligned for u64. */ + put_unaligned(items, &stats[0]); + for (i = 1; i < items; i++) + put_unaligned(snmp_fold_field(mib, i), &stats[i]); + + memset(&stats[items], 0, pad); +} + +static void snmp6_fill_stats(u64 *stats, struct inet6_dev *idev, int attrtype, + int bytes) +{ + switch(attrtype) { + case IFLA_INET6_STATS: + __snmp6_fill_stats(stats, (void **)idev->stats.ipv6, IPSTATS_MIB_MAX, bytes); + break; + case IFLA_INET6_ICMP6STATS: + __snmp6_fill_stats(stats, (void **)idev->stats.icmpv6, ICMP6_MIB_MAX, bytes); + break; + } +} + static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev, u32 pid, u32 seq, int event, unsigned int flags) { struct net_device *dev = idev->dev; - struct nlattr *conf; + struct nlattr *nla; struct ifinfomsg *hdr; struct nlmsghdr *nlh; void *protoinfo; @@ -3419,12 +3540,22 @@ static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev, ci.retrans_time = idev->nd_parms->retrans_time; NLA_PUT(skb, IFLA_INET6_CACHEINFO, sizeof(ci), &ci); - conf = nla_reserve(skb, IFLA_INET6_CONF, DEVCONF_MAX * sizeof(s32)); - if (conf == NULL) + nla = nla_reserve(skb, IFLA_INET6_CONF, DEVCONF_MAX * sizeof(s32)); + if (nla == NULL) goto nla_put_failure; - ipv6_store_devconf(&idev->cnf, nla_data(conf), nla_len(conf)); + ipv6_store_devconf(&idev->cnf, nla_data(nla), nla_len(nla)); - /* XXX - Statistics/MC not implemented */ + /* XXX - MC not implemented */ + + nla = nla_reserve(skb, IFLA_INET6_STATS, IPSTATS_MIB_MAX * sizeof(u64)); + if (nla == NULL) + goto nla_put_failure; + snmp6_fill_stats(nla_data(nla), idev, IFLA_INET6_STATS, nla_len(nla)); + + nla = nla_reserve(skb, IFLA_INET6_ICMP6STATS, ICMP6_MIB_MAX * sizeof(u64)); + if (nla == NULL) + goto nla_put_failure; + snmp6_fill_stats(nla_data(nla), idev, IFLA_INET6_ICMP6STATS, nla_len(nla)); nla_nest_end(skb, protoinfo); return nlmsg_end(skb, nlh); @@ -3550,30 +3681,20 @@ errout: rtnl_set_sk_err(RTNLGRP_IPV6_PREFIX, err); } -static struct rtnetlink_link inet6_rtnetlink_table[RTM_NR_MSGTYPES] = { - [RTM_GETLINK - RTM_BASE] = { .dumpit = inet6_dump_ifinfo, }, - [RTM_NEWADDR - RTM_BASE] = { .doit = inet6_rtm_newaddr, }, - [RTM_DELADDR - RTM_BASE] = { .doit = inet6_rtm_deladdr, }, - [RTM_GETADDR - RTM_BASE] = { .doit = inet6_rtm_getaddr, - .dumpit = inet6_dump_ifaddr, }, - [RTM_GETMULTICAST - RTM_BASE] = { .dumpit = inet6_dump_ifmcaddr, }, - [RTM_GETANYCAST - RTM_BASE] = { .dumpit = inet6_dump_ifacaddr, }, - [RTM_NEWROUTE - RTM_BASE] = { .doit = inet6_rtm_newroute, }, - [RTM_DELROUTE - RTM_BASE] = { .doit = inet6_rtm_delroute, }, - [RTM_GETROUTE - RTM_BASE] = { .doit = inet6_rtm_getroute, - .dumpit = inet6_dump_fib, }, -#ifdef CONFIG_IPV6_MULTIPLE_TABLES - [RTM_GETRULE - RTM_BASE] = { .dumpit = fib6_rules_dump, }, -#endif -}; - static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) { inet6_ifa_notify(event ? : RTM_NEWADDR, ifp); switch (event) { case RTM_NEWADDR: - ip6_ins_rt(ifp->rt); + /* + * If the address was optimistic + * we inserted the route at the start of + * our DAD process, so we don't need + * to do it again + */ + if (!(ifp->rt->rt6i_node)) + ip6_ins_rt(ifp->rt); if (ifp->idev->cnf.forwarding) addrconf_join_anycast(ifp); break; @@ -3894,6 +4015,17 @@ static struct addrconf_sysctl_table .mode = 0644, .proc_handler = &proc_dointvec, }, +#ifdef CONFIG_IPV6_OPTIMISTIC_DAD + { + .ctl_name = CTL_UNNUMBERED, + .procname = "optimistic_dad", + .data = &ipv6_devconf.optimistic_dad, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + + }, +#endif { .ctl_name = 0, /* sentinel */ } @@ -4021,11 +4153,15 @@ int register_inet6addr_notifier(struct notifier_block *nb) return atomic_notifier_chain_register(&inet6addr_chain, nb); } +EXPORT_SYMBOL(register_inet6addr_notifier); + int unregister_inet6addr_notifier(struct notifier_block *nb) { return atomic_notifier_chain_unregister(&inet6addr_chain,nb); } +EXPORT_SYMBOL(unregister_inet6addr_notifier); + /* * Init / cleanup code */ @@ -4064,7 +4200,18 @@ int __init addrconf_init(void) register_netdevice_notifier(&ipv6_dev_notf); addrconf_verify(0); - rtnetlink_links[PF_INET6] = inet6_rtnetlink_table; + + err = __rtnl_register(PF_INET6, RTM_GETLINK, NULL, inet6_dump_ifinfo); + if (err < 0) + goto errout; + + /* Only the first call to __rtnl_register can fail */ + __rtnl_register(PF_INET6, RTM_NEWADDR, inet6_rtm_newaddr, NULL); + __rtnl_register(PF_INET6, RTM_DELADDR, inet6_rtm_deladdr, NULL); + __rtnl_register(PF_INET6, RTM_GETADDR, inet6_rtm_getaddr, inet6_dump_ifaddr); + __rtnl_register(PF_INET6, RTM_GETMULTICAST, NULL, inet6_dump_ifmcaddr); + __rtnl_register(PF_INET6, RTM_GETANYCAST, NULL, inet6_dump_ifacaddr); + #ifdef CONFIG_SYSCTL addrconf_sysctl.sysctl_header = register_sysctl_table(addrconf_sysctl.addrconf_root_dir); @@ -4072,6 +4219,10 @@ int __init addrconf_init(void) #endif return 0; +errout: + unregister_netdevice_notifier(&ipv6_dev_notf); + + return err; } void __exit addrconf_cleanup(void) @@ -4083,7 +4234,6 @@ void __exit addrconf_cleanup(void) unregister_netdevice_notifier(&ipv6_dev_notf); - rtnetlink_links[PF_INET6] = NULL; #ifdef CONFIG_SYSCTL addrconf_sysctl_unregister(&ipv6_devconf_dflt); addrconf_sysctl_unregister(&ipv6_devconf); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 5cac14a5c77..18cb928c8d9 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -98,6 +98,11 @@ static int inet6_create(struct socket *sock, int protocol) int try_loading_module = 0; int err; + if (sock->type != SOCK_RAW && + sock->type != SOCK_DGRAM && + !inet_ehash_secret) + build_ehash_secret(); + /* Look for the requested type/protocol pair. */ answer = NULL; lookup_protocol: @@ -349,6 +354,8 @@ out: return err; } +EXPORT_SYMBOL(inet6_bind); + int inet6_release(struct socket *sock) { struct sock *sk = sock->sk; @@ -365,6 +372,8 @@ int inet6_release(struct socket *sock) return inet_release(sock); } +EXPORT_SYMBOL(inet6_release); + int inet6_destroy_sock(struct sock *sk) { struct ipv6_pinfo *np = inet6_sk(sk); @@ -428,6 +437,8 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr, return(0); } +EXPORT_SYMBOL(inet6_getname); + int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { struct sock *sk = sock->sk; @@ -437,6 +448,9 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) case SIOCGSTAMP: return sock_get_timestamp(sk, (struct timeval __user *)arg); + case SIOCGSTAMPNS: + return sock_get_timestampns(sk, (struct timespec __user *)arg); + case SIOCADDRT: case SIOCDELRT: @@ -457,6 +471,8 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) return(0); } +EXPORT_SYMBOL(inet6_ioctl); + const struct proto_ops inet6_stream_ops = { .family = PF_INET6, .owner = THIS_MODULE, @@ -603,6 +619,8 @@ out_illegal: goto out; } +EXPORT_SYMBOL(inet6_register_protosw); + void inet6_unregister_protosw(struct inet_protosw *p) { @@ -619,6 +637,8 @@ inet6_unregister_protosw(struct inet_protosw *p) } } +EXPORT_SYMBOL(inet6_unregister_protosw); + int inet6_sk_rebuild_header(struct sock *sk) { int err; @@ -678,7 +698,8 @@ int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb) if (np->rxopt.all) { if ((opt->hop && (np->rxopt.bits.hopopts || np->rxopt.bits.ohopopts)) || - ((IPV6_FLOWINFO_MASK & *(__be32*)skb->nh.raw) && + ((IPV6_FLOWINFO_MASK & + *(__be32 *)skb_network_header(skb)) && np->rxopt.bits.rxflow) || (opt->srcrt && (np->rxopt.bits.srcrt || np->rxopt.bits.osrcrt)) || @@ -691,61 +712,28 @@ int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb) EXPORT_SYMBOL_GPL(ipv6_opt_accepted); -int -snmp6_mib_init(void *ptr[2], size_t mibsize, size_t mibalign) -{ - if (ptr == NULL) - return -EINVAL; - - ptr[0] = __alloc_percpu(mibsize); - if (!ptr[0]) - goto err0; - - ptr[1] = __alloc_percpu(mibsize); - if (!ptr[1]) - goto err1; - - return 0; - -err1: - free_percpu(ptr[0]); - ptr[0] = NULL; -err0: - return -ENOMEM; -} - -void -snmp6_mib_free(void *ptr[2]) -{ - if (ptr == NULL) - return; - free_percpu(ptr[0]); - free_percpu(ptr[1]); - ptr[0] = ptr[1] = NULL; -} - static int __init init_ipv6_mibs(void) { - if (snmp6_mib_init((void **)ipv6_statistics, sizeof (struct ipstats_mib), - __alignof__(struct ipstats_mib)) < 0) + if (snmp_mib_init((void **)ipv6_statistics, sizeof (struct ipstats_mib), + __alignof__(struct ipstats_mib)) < 0) goto err_ip_mib; - if (snmp6_mib_init((void **)icmpv6_statistics, sizeof (struct icmpv6_mib), - __alignof__(struct icmpv6_mib)) < 0) + if (snmp_mib_init((void **)icmpv6_statistics, sizeof (struct icmpv6_mib), + __alignof__(struct icmpv6_mib)) < 0) goto err_icmp_mib; - if (snmp6_mib_init((void **)udp_stats_in6, sizeof (struct udp_mib), - __alignof__(struct udp_mib)) < 0) + if (snmp_mib_init((void **)udp_stats_in6, sizeof (struct udp_mib), + __alignof__(struct udp_mib)) < 0) goto err_udp_mib; - if (snmp6_mib_init((void **)udplite_stats_in6, sizeof (struct udp_mib), - __alignof__(struct udp_mib)) < 0) + if (snmp_mib_init((void **)udplite_stats_in6, sizeof (struct udp_mib), + __alignof__(struct udp_mib)) < 0) goto err_udplite_mib; return 0; err_udplite_mib: - snmp6_mib_free((void **)udp_stats_in6); + snmp_mib_free((void **)udp_stats_in6); err_udp_mib: - snmp6_mib_free((void **)icmpv6_statistics); + snmp_mib_free((void **)icmpv6_statistics); err_icmp_mib: - snmp6_mib_free((void **)ipv6_statistics); + snmp_mib_free((void **)ipv6_statistics); err_ip_mib: return -ENOMEM; @@ -753,10 +741,10 @@ err_ip_mib: static void cleanup_ipv6_mibs(void) |