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net/ipv6/af_inet6.c
29.1 KB
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/* * PF_INET6 socket protocol family |
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* Linux INET6 implementation |
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* * Authors: |
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* Pedro Roque <roque@di.fc.ul.pt> |
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* * Adapted from linux/net/ipv4/af_inet.c * |
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* Fixes: * piggy, Karl Knutson : Socket protocol table * Hideaki YOSHIFUJI : sin6_scope_id support * Arnaldo Melo : check proc_net_create return, cleanups * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #include <linux/module.h> |
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#include <linux/capability.h> |
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#include <linux/errno.h> #include <linux/types.h> #include <linux/socket.h> #include <linux/in.h> #include <linux/kernel.h> |
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#include <linux/timer.h> #include <linux/string.h> #include <linux/sockios.h> #include <linux/net.h> #include <linux/fcntl.h> #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/proc_fs.h> #include <linux/stat.h> #include <linux/init.h> #include <linux/inet.h> #include <linux/netdevice.h> #include <linux/icmpv6.h> |
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#include <linux/netfilter_ipv6.h> |
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#include <net/ip.h> #include <net/ipv6.h> #include <net/udp.h> |
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#include <net/udplite.h> |
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#include <net/tcp.h> #include <net/ipip.h> #include <net/protocol.h> #include <net/inet_common.h> |
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#include <net/route.h> |
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#include <net/transp_v6.h> #include <net/ip6_route.h> #include <net/addrconf.h> #ifdef CONFIG_IPV6_TUNNEL #include <net/ip6_tunnel.h> #endif #include <asm/uaccess.h> #include <asm/system.h> |
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#include <linux/mroute6.h> |
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MODULE_AUTHOR("Cast of dozens"); MODULE_DESCRIPTION("IPv6 protocol stack for Linux"); MODULE_LICENSE("GPL"); |
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/* The inetsw6 table contains everything that inet6_create needs to |
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* build a new socket. */ static struct list_head inetsw6[SOCK_MAX]; static DEFINE_SPINLOCK(inetsw6_lock); |
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struct ipv6_params ipv6_defaults = { .disable_ipv6 = 0, .autoconf = 1, }; static int disable_ipv6_mod = 0; module_param_named(disable, disable_ipv6_mod, int, 0444); MODULE_PARM_DESC(disable, "Disable IPv6 module such that it is non-functional"); module_param_named(disable_ipv6, ipv6_defaults.disable_ipv6, int, 0444); MODULE_PARM_DESC(disable_ipv6, "Disable IPv6 on all interfaces"); module_param_named(autoconf, ipv6_defaults.autoconf, int, 0444); MODULE_PARM_DESC(autoconf, "Enable IPv6 address autoconfiguration on all interfaces"); |
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static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk) { const int offset = sk->sk_prot->obj_size - sizeof(struct ipv6_pinfo); return (struct ipv6_pinfo *)(((u8 *)sk) + offset); } |
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static int inet6_create(struct net *net, struct socket *sock, int protocol) |
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{ struct inet_sock *inet; struct ipv6_pinfo *np; struct sock *sk; |
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struct inet_protosw *answer; struct proto *answer_prot; unsigned char answer_flags; char answer_no_check; |
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int try_loading_module = 0; int err; |
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|
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if (sock->type != SOCK_RAW && sock->type != SOCK_DGRAM && !inet_ehash_secret) build_ehash_secret(); |
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/* Look for the requested type/protocol pair. */ |
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lookup_protocol: err = -ESOCKTNOSUPPORT; |
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rcu_read_lock(); |
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list_for_each_entry_rcu(answer, &inetsw6[sock->type], list) { |
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|
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err = 0; |
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/* Check the non-wild match. */ if (protocol == answer->protocol) { if (protocol != IPPROTO_IP) break; } else { /* Check for the two wild cases. */ if (IPPROTO_IP == protocol) { protocol = answer->protocol; break; } if (IPPROTO_IP == answer->protocol) break; } |
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err = -EPROTONOSUPPORT; |
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} |
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if (err) { |
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if (try_loading_module < 2) { rcu_read_unlock(); /* * Be more specific, e.g. net-pf-10-proto-132-type-1 * (net-pf-PF_INET6-proto-IPPROTO_SCTP-type-SOCK_STREAM) */ if (++try_loading_module == 1) request_module("net-pf-%d-proto-%d-type-%d", PF_INET6, protocol, sock->type); /* * Fall back to generic, e.g. net-pf-10-proto-132 * (net-pf-PF_INET6-proto-IPPROTO_SCTP) */ else request_module("net-pf-%d-proto-%d", PF_INET6, protocol); goto lookup_protocol; } else goto out_rcu_unlock; } err = -EPERM; |
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if (answer->capability > 0 && !capable(answer->capability)) goto out_rcu_unlock; |
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sock->ops = answer->ops; |
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answer_prot = answer->prot; answer_no_check = answer->no_check; answer_flags = answer->flags; rcu_read_unlock(); |
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WARN_ON(answer_prot->slab == NULL); |
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|
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err = -ENOBUFS; |
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sk = sk_alloc(net, PF_INET6, GFP_KERNEL, answer_prot); |
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if (sk == NULL) goto out; sock_init_data(sock, sk); |
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err = 0; |
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sk->sk_no_check = answer_no_check; if (INET_PROTOSW_REUSE & answer_flags) sk->sk_reuse = 1; inet = inet_sk(sk); |
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inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0; |
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if (SOCK_RAW == sock->type) { inet->num = protocol; if (IPPROTO_RAW == protocol) inet->hdrincl = 1; } |
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sk->sk_destruct = inet_sock_destruct; |
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sk->sk_family = PF_INET6; sk->sk_protocol = protocol; sk->sk_backlog_rcv = answer->prot->backlog_rcv; inet_sk(sk)->pinet6 = np = inet6_sk_generic(sk); np->hop_limit = -1; np->mcast_hops = -1; np->mc_loop = 1; np->pmtudisc = IPV6_PMTUDISC_WANT; |
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np->ipv6only = net->ipv6.sysctl.bindv6only; |
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|
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/* Init the ipv4 part of the socket since we can have sockets * using v6 API for ipv4. */ inet->uc_ttl = -1; inet->mc_loop = 1; inet->mc_ttl = 1; inet->mc_index = 0; inet->mc_list = NULL; if (ipv4_config.no_pmtu_disc) inet->pmtudisc = IP_PMTUDISC_DONT; else inet->pmtudisc = IP_PMTUDISC_WANT; |
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/* |
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* Increment only the relevant sk_prot->socks debug field, this changes * the previous behaviour of incrementing both the equivalent to * answer->prot->socks (inet6_sock_nr) and inet_sock_nr. * * This allows better debug granularity as we'll know exactly how many * UDPv6, TCPv6, etc socks were allocated, not the sum of all IPv6 * transport protocol socks. -acme */ sk_refcnt_debug_inc(sk); |
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|
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if (inet->num) { /* It assumes that any protocol which allows * the user to assign a number at socket * creation time automatically shares. */ |
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inet->sport = htons(inet->num); |
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sk->sk_prot->hash(sk); } if (sk->sk_prot->init) { |
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err = sk->sk_prot->init(sk); if (err) { |
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sk_common_release(sk); goto out; } } out: |
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return err; |
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out_rcu_unlock: rcu_read_unlock(); goto out; } /* bind for INET6 API */ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) { struct sockaddr_in6 *addr=(struct sockaddr_in6 *)uaddr; struct sock *sk = sock->sk; struct inet_sock *inet = inet_sk(sk); struct ipv6_pinfo *np = inet6_sk(sk); |
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struct net *net = sock_net(sk); |
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__be32 v4addr = 0; |
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unsigned short snum; int addr_type = 0; int err = 0; /* If the socket has its own bind function then use it. */ if (sk->sk_prot->bind) return sk->sk_prot->bind(sk, uaddr, addr_len); if (addr_len < SIN6_LEN_RFC2133) return -EINVAL; addr_type = ipv6_addr_type(&addr->sin6_addr); if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM) return -EINVAL; snum = ntohs(addr->sin6_port); if (snum && snum < PROT_SOCK && !capable(CAP_NET_BIND_SERVICE)) return -EACCES; lock_sock(sk); /* Check these errors (active socket, double bind). */ if (sk->sk_state != TCP_CLOSE || inet->num) { err = -EINVAL; goto out; } /* Check if the address belongs to the host. */ if (addr_type == IPV6_ADDR_MAPPED) { |
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int chk_addr_ret; |
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/* Binding to v4-mapped address on a v6-only socket * makes no sense */ if (np->ipv6only) { err = -EINVAL; goto out; } |
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/* Reproduce AF_INET checks to make the bindings consitant */ |
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v4addr = addr->sin6_addr.s6_addr32[3]; |
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chk_addr_ret = inet_addr_type(net, v4addr); if (!sysctl_ip_nonlocal_bind && !(inet->freebind || inet->transparent) && v4addr != htonl(INADDR_ANY) && chk_addr_ret != RTN_LOCAL && chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST) |
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goto out; |
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} else { if (addr_type != IPV6_ADDR_ANY) { struct net_device *dev = NULL; if (addr_type & IPV6_ADDR_LINKLOCAL) { if (addr_len >= sizeof(struct sockaddr_in6) && addr->sin6_scope_id) { /* Override any existing binding, if another one * is supplied by user. */ sk->sk_bound_dev_if = addr->sin6_scope_id; } |
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|
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/* Binding to link-local address requires an interface */ if (!sk->sk_bound_dev_if) { err = -EINVAL; goto out; } |
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dev = dev_get_by_index(net, sk->sk_bound_dev_if); |
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if (!dev) { err = -ENODEV; goto out; } } /* ipv4 addr of the socket is invalid. Only the * unspecified and mapped address have a v4 equivalent. */ v4addr = LOOPBACK4_IPV6; if (!(addr_type & IPV6_ADDR_MULTICAST)) { |
075de9395 [NETNS][IPV6] af_... |
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if (!ipv6_chk_addr(net, &addr->sin6_addr, |
bfeade087 [NETNS][IPV6]: in... |
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dev, 0)) { |
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if (dev) dev_put(dev); err = -EADDRNOTAVAIL; goto out; } } if (dev) dev_put(dev); } } inet->rcv_saddr = v4addr; inet->saddr = v4addr; ipv6_addr_copy(&np->rcv_saddr, &addr->sin6_addr); |
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|
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if (!(addr_type & IPV6_ADDR_MULTICAST)) ipv6_addr_copy(&np->saddr, &addr->sin6_addr); /* Make sure we are allowed to bind here. */ if (sk->sk_prot->get_port(sk, snum)) { inet_reset_saddr(sk); err = -EADDRINUSE; goto out; } |
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if (addr_type != IPV6_ADDR_ANY) { |
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sk->sk_userlocks |= SOCK_BINDADDR_LOCK; |
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if (addr_type != IPV6_ADDR_MAPPED) np->ipv6only = 1; } |
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if (snum) sk->sk_userlocks |= SOCK_BINDPORT_LOCK; |
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inet->sport = htons(inet->num); |
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inet->dport = 0; inet->daddr = 0; out: release_sock(sk); return err; } |
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EXPORT_SYMBOL(inet6_bind); |
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int inet6_release(struct socket *sock) { struct sock *sk = sock->sk; if (sk == NULL) return -EINVAL; /* Free mc lists */ ipv6_sock_mc_close(sk); /* Free ac lists */ ipv6_sock_ac_close(sk); return inet_release(sock); } |
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EXPORT_SYMBOL(inet6_release); |
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void inet6_destroy_sock(struct sock *sk) |
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{ struct ipv6_pinfo *np = inet6_sk(sk); struct sk_buff *skb; struct ipv6_txoptions *opt; |
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/* Release rx options */ if ((skb = xchg(&np->pktoptions, NULL)) != NULL) kfree_skb(skb); /* Free flowlabels */ fl6_free_socklist(sk); /* Free tx options */ if ((opt = xchg(&np->opt, NULL)) != NULL) sock_kfree_s(sk, opt, opt->tot_len); |
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} |
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EXPORT_SYMBOL_GPL(inet6_destroy_sock); |
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/* * This does both peername and sockname. */ |
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|
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int inet6_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_len, int peer) { struct sockaddr_in6 *sin=(struct sockaddr_in6 *)uaddr; struct sock *sk = sock->sk; struct inet_sock *inet = inet_sk(sk); struct ipv6_pinfo *np = inet6_sk(sk); |
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sin->sin6_family = AF_INET6; sin->sin6_flowinfo = 0; sin->sin6_scope_id = 0; if (peer) { if (!inet->dport) return -ENOTCONN; if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_SYN_SENT)) && peer == 1) return -ENOTCONN; sin->sin6_port = inet->dport; ipv6_addr_copy(&sin->sin6_addr, &np->daddr); if (np->sndflow) sin->sin6_flowinfo = np->flow_label; } else { if (ipv6_addr_any(&np->rcv_saddr)) ipv6_addr_copy(&sin->sin6_addr, &np->saddr); else ipv6_addr_copy(&sin->sin6_addr, &np->rcv_saddr); sin->sin6_port = inet->sport; } if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL) sin->sin6_scope_id = sk->sk_bound_dev_if; *uaddr_len = sizeof(*sin); return(0); } |
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EXPORT_SYMBOL(inet6_getname); |
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int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { struct sock *sk = sock->sk; |
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struct net *net = sock_net(sk); |
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|
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switch(cmd) |
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{ case SIOCGSTAMP: return sock_get_timestamp(sk, (struct timeval __user *)arg); |
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case SIOCGSTAMPNS: return sock_get_timestampns(sk, (struct timespec __user *)arg); |
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case SIOCADDRT: case SIOCDELRT: |
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|
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return(ipv6_route_ioctl(net, cmd, (void __user *)arg)); |
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case SIOCSIFADDR: |
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return addrconf_add_ifaddr(net, (void __user *) arg); |
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case SIOCDIFADDR: |
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return addrconf_del_ifaddr(net, (void __user *) arg); |
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case SIOCSIFDSTADDR: |
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return addrconf_set_dstaddr(net, (void __user *) arg); |
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default: |
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if (!sk->sk_prot->ioctl) return -ENOIOCTLCMD; return sk->sk_prot->ioctl(sk, cmd, arg); |
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} /*NOTREACHED*/ return(0); } |
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EXPORT_SYMBOL(inet6_ioctl); |
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const struct proto_ops inet6_stream_ops = { |
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.family = PF_INET6, .owner = THIS_MODULE, .release = inet6_release, .bind = inet6_bind, .connect = inet_stream_connect, /* ok */ .socketpair = sock_no_socketpair, /* a do nothing */ .accept = inet_accept, /* ok */ .getname = inet6_getname, .poll = tcp_poll, /* ok */ .ioctl = inet6_ioctl, /* must change */ .listen = inet_listen, /* ok */ .shutdown = inet_shutdown, /* ok */ .setsockopt = sock_common_setsockopt, /* ok */ .getsockopt = sock_common_getsockopt, /* ok */ |
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.sendmsg = tcp_sendmsg, /* ok */ |
543d9cfee [NET]: Identation... |
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.recvmsg = sock_common_recvmsg, /* ok */ .mmap = sock_no_mmap, .sendpage = tcp_sendpage, |
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.splice_read = tcp_splice_read, |
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#ifdef CONFIG_COMPAT |
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.compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, |
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#endif |
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}; |
90ddc4f04 [NET]: move struc... |
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const struct proto_ops inet6_dgram_ops = { |
543d9cfee [NET]: Identation... |
505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 |
.family = PF_INET6, .owner = THIS_MODULE, .release = inet6_release, .bind = inet6_bind, .connect = inet_dgram_connect, /* ok */ .socketpair = sock_no_socketpair, /* a do nothing */ .accept = sock_no_accept, /* a do nothing */ .getname = inet6_getname, .poll = udp_poll, /* ok */ .ioctl = inet6_ioctl, /* must change */ .listen = sock_no_listen, /* ok */ .shutdown = inet_shutdown, /* ok */ .setsockopt = sock_common_setsockopt, /* ok */ .getsockopt = sock_common_getsockopt, /* ok */ .sendmsg = inet_sendmsg, /* ok */ .recvmsg = sock_common_recvmsg, /* ok */ .mmap = sock_no_mmap, .sendpage = sock_no_sendpage, |
3fdadf7d2 [NET]: {get|set}s... |
523 |
#ifdef CONFIG_COMPAT |
543d9cfee [NET]: Identation... |
524 525 |
.compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, |
3fdadf7d2 [NET]: {get|set}s... |
526 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
527 528 529 530 531 532 533 |
}; static struct net_proto_family inet6_family_ops = { .family = PF_INET6, .create = inet6_create, .owner = THIS_MODULE, }; |
87c3efbfd [IPV6]: make inet... |
534 |
int inet6_register_protosw(struct inet_protosw *p) |
1da177e4c Linux-2.6.12-rc2 |
535 536 537 |
{ struct list_head *lh; struct inet_protosw *answer; |
1da177e4c Linux-2.6.12-rc2 |
538 |
struct list_head *last_perm; |
87c3efbfd [IPV6]: make inet... |
539 540 |
int protocol = p->protocol; int ret; |
1da177e4c Linux-2.6.12-rc2 |
541 542 |
spin_lock_bh(&inetsw6_lock); |
87c3efbfd [IPV6]: make inet... |
543 |
ret = -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
544 545 546 547 548 |
if (p->type >= SOCK_MAX) goto out_illegal; /* If we are trying to override a permanent protocol, bail. */ answer = NULL; |
87c3efbfd [IPV6]: make inet... |
549 |
ret = -EPERM; |
1da177e4c Linux-2.6.12-rc2 |
550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 |
last_perm = &inetsw6[p->type]; list_for_each(lh, &inetsw6[p->type]) { answer = list_entry(lh, struct inet_protosw, list); /* Check only the non-wild match. */ if (INET_PROTOSW_PERMANENT & answer->flags) { if (protocol == answer->protocol) break; last_perm = lh; } answer = NULL; } if (answer) goto out_permanent; /* Add the new entry after the last permanent entry if any, so that * the new entry does not override a permanent entry when matched with * a wild-card protocol. But it is allowed to override any existing |
1ab1457c4 [NET] IPV6: Fix w... |
569 |
* non-permanent entry. This means that when we remove this entry, the |
1da177e4c Linux-2.6.12-rc2 |
570 571 572 |
* system automatically returns to the old behavior. */ list_add_rcu(&p->list, last_perm); |
87c3efbfd [IPV6]: make inet... |
573 |
ret = 0; |
1da177e4c Linux-2.6.12-rc2 |
574 575 |
out: spin_unlock_bh(&inetsw6_lock); |
87c3efbfd [IPV6]: make inet... |
576 |
return ret; |
1da177e4c Linux-2.6.12-rc2 |
577 578 579 580 581 582 583 584 585 586 587 588 589 590 |
out_permanent: printk(KERN_ERR "Attempt to override permanent protocol %d. ", protocol); goto out; out_illegal: printk(KERN_ERR "Ignoring attempt to register invalid socket type %d. ", p->type); goto out; } |
7159039a1 [IPV6]: Decentral... |
591 |
EXPORT_SYMBOL(inet6_register_protosw); |
1da177e4c Linux-2.6.12-rc2 |
592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 |
void inet6_unregister_protosw(struct inet_protosw *p) { if (INET_PROTOSW_PERMANENT & p->flags) { printk(KERN_ERR "Attempt to unregister permanent protocol %d. ", p->protocol); } else { spin_lock_bh(&inetsw6_lock); list_del_rcu(&p->list); spin_unlock_bh(&inetsw6_lock); synchronize_net(); } } |
7159039a1 [IPV6]: Decentral... |
608 |
EXPORT_SYMBOL(inet6_unregister_protosw); |
b9750ce13 [IPV6]: Generalis... |
609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 |
int inet6_sk_rebuild_header(struct sock *sk) { int err; struct dst_entry *dst; struct ipv6_pinfo *np = inet6_sk(sk); dst = __sk_dst_check(sk, np->dst_cookie); if (dst == NULL) { struct inet_sock *inet = inet_sk(sk); struct in6_addr *final_p = NULL, final; struct flowi fl; memset(&fl, 0, sizeof(fl)); fl.proto = sk->sk_protocol; ipv6_addr_copy(&fl.fl6_dst, &np->daddr); ipv6_addr_copy(&fl.fl6_src, &np->saddr); fl.fl6_flowlabel = np->flow_label; fl.oif = sk->sk_bound_dev_if; fl.fl_ip_dport = inet->dport; fl.fl_ip_sport = inet->sport; |
beb8d13be [MLSXFRM]: Add fl... |
630 |
security_sk_classify_flow(sk, &fl); |
b9750ce13 [IPV6]: Generalis... |
631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 |
if (np->opt && np->opt->srcrt) { struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt; ipv6_addr_copy(&final, &fl.fl6_dst); ipv6_addr_copy(&fl.fl6_dst, rt0->addr); final_p = &final; } err = ip6_dst_lookup(sk, &dst, &fl); if (err) { sk->sk_route_caps = 0; return err; } if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); |
52479b623 netns xfrm: looku... |
646 |
if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) { |
b9750ce13 [IPV6]: Generalis... |
647 648 649 |
sk->sk_err_soft = -err; return err; } |
8e1ef0a95 [IPV6]: Cache sou... |
650 |
__ip6_dst_store(sk, dst, NULL, NULL); |
b9750ce13 [IPV6]: Generalis... |
651 652 653 654 655 656 |
} return 0; } EXPORT_SYMBOL_GPL(inet6_sk_rebuild_header); |
399c07def [IPV6]: Export ip... |
657 658 659 660 661 662 663 664 |
int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb) { struct ipv6_pinfo *np = inet6_sk(sk); struct inet6_skb_parm *opt = IP6CB(skb); if (np->rxopt.all) { if ((opt->hop && (np->rxopt.bits.hopopts || np->rxopt.bits.ohopopts)) || |
d56f90a7c [SK_BUFF]: Introd... |
665 666 |
((IPV6_FLOWINFO_MASK & *(__be32 *)skb_network_header(skb)) && |
399c07def [IPV6]: Export ip... |
667 668 669 670 671 672 673 674 675 676 677 |
np->rxopt.bits.rxflow) || (opt->srcrt && (np->rxopt.bits.srcrt || np->rxopt.bits.osrcrt)) || ((opt->dst1 || opt->dst0) && (np->rxopt.bits.dstopts || np->rxopt.bits.odstopts))) return 1; } return 0; } EXPORT_SYMBOL_GPL(ipv6_opt_accepted); |
787e92083 ipv6: Add GRO sup... |
678 |
static int ipv6_gso_pull_exthdrs(struct sk_buff *skb, int proto) |
662397fd7 [IPV6]: Move pack... |
679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 |
{ struct inet6_protocol *ops = NULL; for (;;) { struct ipv6_opt_hdr *opth; int len; if (proto != NEXTHDR_HOP) { ops = rcu_dereference(inet6_protos[proto]); if (unlikely(!ops)) break; if (!(ops->flags & INET6_PROTO_GSO_EXTHDR)) break; } if (unlikely(!pskb_may_pull(skb, 8))) break; opth = (void *)skb->data; len = ipv6_optlen(opth); if (unlikely(!pskb_may_pull(skb, len))) break; proto = opth->nexthdr; __skb_pull(skb, len); } |
787e92083 ipv6: Add GRO sup... |
708 |
return proto; |
662397fd7 [IPV6]: Move pack... |
709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 |
} static int ipv6_gso_send_check(struct sk_buff *skb) { struct ipv6hdr *ipv6h; struct inet6_protocol *ops; int err = -EINVAL; if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h)))) goto out; ipv6h = ipv6_hdr(skb); __skb_pull(skb, sizeof(*ipv6h)); err = -EPROTONOSUPPORT; rcu_read_lock(); |
787e92083 ipv6: Add GRO sup... |
725 726 |
ops = rcu_dereference(inet6_protos[ ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr)]); |
662397fd7 [IPV6]: Move pack... |
727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 |
if (likely(ops && ops->gso_send_check)) { skb_reset_transport_header(skb); err = ops->gso_send_check(skb); } rcu_read_unlock(); out: return err; } static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features) { struct sk_buff *segs = ERR_PTR(-EINVAL); struct ipv6hdr *ipv6h; struct inet6_protocol *ops; if (!(features & NETIF_F_V6_CSUM)) features &= ~NETIF_F_SG; if (unlikely(skb_shinfo(skb)->gso_type & ~(SKB_GSO_UDP | SKB_GSO_DODGY | SKB_GSO_TCP_ECN | SKB_GSO_TCPV6 | 0))) goto out; if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h)))) goto out; ipv6h = ipv6_hdr(skb); __skb_pull(skb, sizeof(*ipv6h)); segs = ERR_PTR(-EPROTONOSUPPORT); rcu_read_lock(); |
787e92083 ipv6: Add GRO sup... |
762 763 |
ops = rcu_dereference(inet6_protos[ ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr)]); |
662397fd7 [IPV6]: Move pack... |
764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 |
if (likely(ops && ops->gso_segment)) { skb_reset_transport_header(skb); segs = ops->gso_segment(skb, features); } rcu_read_unlock(); if (unlikely(IS_ERR(segs))) goto out; for (skb = segs; skb; skb = skb->next) { ipv6h = ipv6_hdr(skb); ipv6h->payload_len = htons(skb->len - skb->mac_len - sizeof(*ipv6h)); } out: return segs; } |
787e92083 ipv6: Add GRO sup... |
782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 |
struct ipv6_gro_cb { struct napi_gro_cb napi; int proto; }; #define IPV6_GRO_CB(skb) ((struct ipv6_gro_cb *)(skb)->cb) static struct sk_buff **ipv6_gro_receive(struct sk_buff **head, struct sk_buff *skb) { struct inet6_protocol *ops; struct sk_buff **pp = NULL; struct sk_buff *p; struct ipv6hdr *iph; unsigned int nlen; |
a5b1cf288 gro: Avoid unnece... |
797 798 |
unsigned int hlen; unsigned int off; |
787e92083 ipv6: Add GRO sup... |
799 800 |
int flush = 1; int proto; |
ebad18e93 gro: Fix handling... |
801 |
__wsum csum; |
787e92083 ipv6: Add GRO sup... |
802 |
|
a5b1cf288 gro: Avoid unnece... |
803 804 805 806 807 808 809 810 |
off = skb_gro_offset(skb); hlen = off + sizeof(*iph); iph = skb_gro_header_fast(skb, off); if (skb_gro_header_hard(skb, hlen)) { iph = skb_gro_header_slow(skb, hlen, off); if (unlikely(!iph)) goto out; } |
787e92083 ipv6: Add GRO sup... |
811 |
|
86911732d gro: Avoid copyin... |
812 813 |
skb_gro_pull(skb, sizeof(*iph)); skb_set_transport_header(skb, skb_gro_offset(skb)); |
787e92083 ipv6: Add GRO sup... |
814 |
|
86911732d gro: Avoid copyin... |
815 |
flush += ntohs(iph->payload_len) != skb_gro_len(skb); |
787e92083 ipv6: Add GRO sup... |
816 817 |
rcu_read_lock(); |
86911732d gro: Avoid copyin... |
818 |
proto = iph->nexthdr; |
787e92083 ipv6: Add GRO sup... |
819 |
ops = rcu_dereference(inet6_protos[proto]); |
86911732d gro: Avoid copyin... |
820 821 822 823 824 825 826 827 828 829 830 831 832 833 |
if (!ops || !ops->gro_receive) { __pskb_pull(skb, skb_gro_offset(skb)); proto = ipv6_gso_pull_exthdrs(skb, proto); skb_gro_pull(skb, -skb_transport_offset(skb)); skb_reset_transport_header(skb); __skb_push(skb, skb_gro_offset(skb)); if (!ops || !ops->gro_receive) goto out_unlock; iph = ipv6_hdr(skb); } IPV6_GRO_CB(skb)->proto = proto; |
787e92083 ipv6: Add GRO sup... |
834 835 |
flush--; |
787e92083 ipv6: Add GRO sup... |
836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 |
nlen = skb_network_header_len(skb); for (p = *head; p; p = p->next) { struct ipv6hdr *iph2; if (!NAPI_GRO_CB(p)->same_flow) continue; iph2 = ipv6_hdr(p); /* All fields must match except length. */ if (nlen != skb_network_header_len(p) || memcmp(iph, iph2, offsetof(struct ipv6hdr, payload_len)) || memcmp(&iph->nexthdr, &iph2->nexthdr, nlen - offsetof(struct ipv6hdr, nexthdr))) { NAPI_GRO_CB(p)->same_flow = 0; continue; } NAPI_GRO_CB(p)->flush |= flush; } NAPI_GRO_CB(skb)->flush |= flush; |
ebad18e93 gro: Fix handling... |
859 860 |
csum = skb->csum; skb_postpull_rcsum(skb, iph, skb_network_header_len(skb)); |
787e92083 ipv6: Add GRO sup... |
861 |
pp = ops->gro_receive(head, skb); |
ebad18e93 gro: Fix handling... |
862 |
skb->csum = csum; |
787e92083 ipv6: Add GRO sup... |
863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 |
out_unlock: rcu_read_unlock(); out: NAPI_GRO_CB(skb)->flush |= flush; return pp; } static int ipv6_gro_complete(struct sk_buff *skb) { struct inet6_protocol *ops; struct ipv6hdr *iph = ipv6_hdr(skb); int err = -ENOSYS; iph->payload_len = htons(skb->len - skb_network_offset(skb) - sizeof(*iph)); rcu_read_lock(); ops = rcu_dereference(inet6_protos[IPV6_GRO_CB(skb)->proto]); if (WARN_ON(!ops || !ops->gro_complete)) goto out_unlock; err = ops->gro_complete(skb); out_unlock: rcu_read_unlock(); return err; } |
7546dd97d net: convert usag... |
893 |
static struct packet_type ipv6_packet_type __read_mostly = { |
09640e636 net: replace uses... |
894 |
.type = cpu_to_be16(ETH_P_IPV6), |
662397fd7 [IPV6]: Move pack... |
895 896 897 |
.func = ipv6_rcv, .gso_send_check = ipv6_gso_send_check, .gso_segment = ipv6_gso_segment, |
787e92083 ipv6: Add GRO sup... |
898 899 |
.gro_receive = ipv6_gro_receive, .gro_complete = ipv6_gro_complete, |
662397fd7 [IPV6]: Move pack... |
900 901 902 903 904 905 906 907 908 909 910 911 |
}; static int __init ipv6_packet_init(void) { dev_add_pack(&ipv6_packet_type); return 0; } static void ipv6_packet_cleanup(void) { dev_remove_pack(&ipv6_packet_type); } |
e43291cb3 netns: add stub f... |
912 913 |
static int __net_init ipv6_init_mibs(struct net *net) { |
0c7ed677f netns: make udpv6... |
914 915 916 |
if (snmp_mib_init((void **)net->mib.udp_stats_in6, sizeof (struct udp_mib)) < 0) return -ENOMEM; |
be713a443 netns: make uplit... |
917 918 919 |
if (snmp_mib_init((void **)net->mib.udplite_stats_in6, sizeof (struct udp_mib)) < 0) goto err_udplite_mib; |
9261e5370 ipv6: making ip a... |
920 921 922 923 924 925 926 927 928 |
if (snmp_mib_init((void **)net->mib.ipv6_statistics, sizeof(struct ipstats_mib)) < 0) goto err_ip_mib; if (snmp_mib_init((void **)net->mib.icmpv6_statistics, sizeof(struct icmpv6_mib)) < 0) goto err_icmp_mib; if (snmp_mib_init((void **)net->mib.icmpv6msg_statistics, sizeof(struct icmpv6msg_mib)) < 0) goto err_icmpmsg_mib; |
e43291cb3 netns: add stub f... |
929 |
return 0; |
be713a443 netns: make uplit... |
930 |
|
9261e5370 ipv6: making ip a... |
931 932 933 934 935 936 |
err_icmpmsg_mib: snmp_mib_free((void **)net->mib.icmpv6_statistics); err_icmp_mib: snmp_mib_free((void **)net->mib.ipv6_statistics); err_ip_mib: snmp_mib_free((void **)net->mib.udplite_stats_in6); |
be713a443 netns: make uplit... |
937 938 939 |
err_udplite_mib: snmp_mib_free((void **)net->mib.udp_stats_in6); return -ENOMEM; |
e43291cb3 netns: add stub f... |
940 941 942 943 |
} static void __net_exit ipv6_cleanup_mibs(struct net *net) { |
0c7ed677f netns: make udpv6... |
944 |
snmp_mib_free((void **)net->mib.udp_stats_in6); |
be713a443 netns: make uplit... |
945 |
snmp_mib_free((void **)net->mib.udplite_stats_in6); |
9261e5370 ipv6: making ip a... |
946 947 948 |
snmp_mib_free((void **)net->mib.ipv6_statistics); snmp_mib_free((void **)net->mib.icmpv6_statistics); snmp_mib_free((void **)net->mib.icmpv6msg_statistics); |
e43291cb3 netns: add stub f... |
949 |
} |
e7dc84949 netns: mib6 secti... |
950 |
static int __net_init inet6_net_init(struct net *net) |
81c1c1780 [NETNS][IPV6]: Ma... |
951 |
{ |
0c96d8c50 [NETNS][IPV6] udp... |
952 |
int err = 0; |
99bc9c4e4 [NETNS][IPV6]: Ma... |
953 |
net->ipv6.sysctl.bindv6only = 0; |
41a76906b [NETNS][IPV6]: Ma... |
954 |
net->ipv6.sysctl.icmpv6_time = 1*HZ; |
e71e0349e [NETNS][IPV6]: Ma... |
955 |
|
e43291cb3 netns: add stub f... |
956 957 958 |
err = ipv6_init_mibs(net); if (err) return err; |
0c96d8c50 [NETNS][IPV6] udp... |
959 960 961 962 |
#ifdef CONFIG_PROC_FS err = udp6_proc_init(net); if (err) goto out; |
6f8b13bcb [NETNS][IPV6] tcp... |
963 964 965 |
err = tcp6_proc_init(net); if (err) goto proc_tcp6_fail; |
6ab57e7e7 [NETNS][IPV6] any... |
966 967 968 |
err = ac6_proc_init(net); if (err) goto proc_ac6_fail; |
0c96d8c50 [NETNS][IPV6] udp... |
969 970 |
#endif return err; |
6f8b13bcb [NETNS][IPV6] tcp... |
971 972 |
#ifdef CONFIG_PROC_FS |
6ab57e7e7 [NETNS][IPV6] any... |
973 974 |
proc_ac6_fail: tcp6_proc_exit(net); |
6f8b13bcb [NETNS][IPV6] tcp... |
975 976 |
proc_tcp6_fail: udp6_proc_exit(net); |
e43291cb3 netns: add stub f... |
977 978 979 |
out: ipv6_cleanup_mibs(net); return err; |
6f8b13bcb [NETNS][IPV6] tcp... |
980 |
#endif |
81c1c1780 [NETNS][IPV6]: Ma... |
981 982 983 984 |
} static void inet6_net_exit(struct net *net) { |
0c96d8c50 [NETNS][IPV6] udp... |
985 986 |
#ifdef CONFIG_PROC_FS udp6_proc_exit(net); |
6f8b13bcb [NETNS][IPV6] tcp... |
987 |
tcp6_proc_exit(net); |
6ab57e7e7 [NETNS][IPV6] any... |
988 |
ac6_proc_exit(net); |
0c96d8c50 [NETNS][IPV6] udp... |
989 |
#endif |
e43291cb3 netns: add stub f... |
990 |
ipv6_cleanup_mibs(net); |
81c1c1780 [NETNS][IPV6]: Ma... |
991 992 993 994 995 996 |
} static struct pernet_operations inet6_net_ops = { .init = inet6_net_init, .exit = inet6_net_exit, }; |
1da177e4c Linux-2.6.12-rc2 |
997 998 999 |
static int __init inet6_init(void) { struct sk_buff *dummy_skb; |
1ab1457c4 [NET] IPV6: Fix w... |
1000 |
struct list_head *r; |
fe7ca2e1e IPv6: add "disabl... |
1001 |
int err = 0; |
1da177e4c Linux-2.6.12-rc2 |
1002 |
|
ef047f5e1 [NET]: Use BUILD_... |
1003 |
BUILD_BUG_ON(sizeof(struct inet6_skb_parm) > sizeof(dummy_skb->cb)); |
fe7ca2e1e IPv6: add "disabl... |
1004 1005 1006 |
/* Register the socket-side information for inet6_create. */ for(r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r) INIT_LIST_HEAD(r); |
56d417b12 IPv6: Add 'autoco... |
1007 |
if (disable_ipv6_mod) { |
fe7ca2e1e IPv6: add "disabl... |
1008 1009 1010 1011 1012 1013 |
printk(KERN_INFO "IPv6: Loaded, but administratively disabled, " "reboot required to enable "); goto out; } |
1da177e4c Linux-2.6.12-rc2 |
1014 1015 1016 1017 1018 1019 1020 |
err = proto_register(&tcpv6_prot, 1); if (err) goto out; err = proto_register(&udpv6_prot, 1); if (err) goto out_unregister_tcp_proto; |
ba4e58eca [NET]: Supporting... |
1021 |
err = proto_register(&udplitev6_prot, 1); |
1da177e4c Linux-2.6.12-rc2 |
1022 1023 |
if (err) goto out_unregister_udp_proto; |
ba4e58eca [NET]: Supporting... |
1024 1025 1026 |
err = proto_register(&rawv6_prot, 1); if (err) goto out_unregister_udplite_proto; |
1da177e4c Linux-2.6.12-rc2 |
1027 |
|
1da177e4c Linux-2.6.12-rc2 |
1028 1029 1030 |
/* We MUST register RAW sockets before we create the ICMP6, * IGMP6, or NDISC control sockets. */ |
7f4e4868f [IPV6]: make the ... |
1031 1032 1033 |
err = rawv6_init(); if (err) goto out_unregister_raw_proto; |
1da177e4c Linux-2.6.12-rc2 |
1034 1035 1036 1037 |
/* Register the family here so that the init calls below will * be able to create sockets. (?? is this dangerous ??) */ |
8eb559105 [IPV6]: Fix inet6... |
1038 1039 |
err = sock_register(&inet6_family_ops); if (err) |
7f4e4868f [IPV6]: make the ... |
1040 |
goto out_sock_register_fail; |
1da177e4c Linux-2.6.12-rc2 |
1041 |
|
eeb61f719 missing bits of n... |
1042 1043 1044 1045 1046 |
#ifdef CONFIG_SYSCTL err = ipv6_static_sysctl_register(); if (err) goto static_sysctl_fail; #endif |
1da177e4c Linux-2.6.12-rc2 |
1047 1048 1049 1050 1051 1052 |
/* * ipngwg API draft makes clear that the correct semantics * for TCP and UDP is to consider one TCP and UDP instance * in a host availiable by both INET and INET6 APIs and * able to communicate via both network protocols. */ |
81c1c1780 [NETNS][IPV6]: Ma... |
1053 1054 1055 |
err = register_pernet_subsys(&inet6_net_ops); if (err) goto register_pernet_fail; |
9b0f976f2 [INET]: Remove st... |
1056 |
err = icmpv6_init(); |
1da177e4c Linux-2.6.12-rc2 |
1057 1058 |
if (err) goto icmp_fail; |
623d1a1af ipv6: Do cleanup ... |
1059 1060 1061 |
err = ip6_mr_init(); if (err) goto ipmr_fail; |
9b0f976f2 [INET]: Remove st... |
1062 |
err = ndisc_init(); |
1da177e4c Linux-2.6.12-rc2 |
1063 1064 |
if (err) goto ndisc_fail; |
9b0f976f2 [INET]: Remove st... |
1065 |
err = igmp6_init(); |
1da177e4c Linux-2.6.12-rc2 |
1066 1067 |
if (err) goto igmp_fail; |
2cc7d5730 [NETFILTER]: Move... |
1068 1069 1070 |
err = ipv6_netfilter_init(); if (err) goto netfilter_fail; |
1da177e4c Linux-2.6.12-rc2 |
1071 1072 1073 1074 1075 |
/* Create /proc/foo6 entries. */ #ifdef CONFIG_PROC_FS err = -ENOMEM; if (raw6_proc_init()) goto proc_raw6_fail; |
ba4e58eca [NET]: Supporting... |
1076 1077 |
if (udplite6_proc_init()) goto proc_udplite6_fail; |
1da177e4c Linux-2.6.12-rc2 |
1078 1079 |
if (ipv6_misc_proc_init()) goto proc_misc6_fail; |
1da177e4c Linux-2.6.12-rc2 |
1080 1081 1082 |
if (if6_proc_init()) goto proc_if6_fail; #endif |
e2fddf5e9 [IPV6]: Make af_i... |
1083 1084 1085 |
err = ip6_route_init(); if (err) goto ip6_route_fail; |
0a3e78ac2 [IPV6]: make flow... |
1086 1087 1088 |
err = ip6_flowlabel_init(); if (err) goto ip6_flowlabel_fail; |
1da177e4c Linux-2.6.12-rc2 |
1089 1090 1091 |
err = addrconf_init(); if (err) goto addrconf_fail; |
1da177e4c Linux-2.6.12-rc2 |
1092 1093 |
/* Init v6 extension headers. */ |
248b238dc [IPV6]: make exte... |
1094 1095 1096 |
err = ipv6_exthdrs_init(); if (err) goto ipv6_exthdrs_fail; |
853cbbaaa [IPV6]: make frag... |
1097 1098 1099 |
err = ipv6_frag_init(); if (err) goto ipv6_frag_fail; |
1da177e4c Linux-2.6.12-rc2 |
1100 1101 |
/* Init v6 transport protocols. */ |
7f4e4868f [IPV6]: make the ... |
1102 1103 1104 |
err = udpv6_init(); if (err) goto udpv6_fail; |
e2ed4052a [IPV6]: Makes IPv... |
1105 |
|
7f4e4868f [IPV6]: make the ... |
1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 |
err = udplitev6_init(); if (err) goto udplitev6_fail; err = tcpv6_init(); if (err) goto tcpv6_fail; err = ipv6_packet_init(); if (err) goto ipv6_packet_fail; |
94911fe31 [NETNS][IPV6] Mov... |
1117 1118 1119 1120 1121 1122 |
#ifdef CONFIG_SYSCTL err = ipv6_sysctl_register(); if (err) goto sysctl_fail; #endif |
1da177e4c Linux-2.6.12-rc2 |
1123 1124 |
out: return err; |
94911fe31 [NETNS][IPV6] Mov... |
1125 1126 1127 1128 |
#ifdef CONFIG_SYSCTL sysctl_fail: ipv6_packet_cleanup(); #endif |
7f4e4868f [IPV6]: make the ... |
1129 1130 1131 1132 1133 1134 1135 1136 |
ipv6_packet_fail: tcpv6_exit(); tcpv6_fail: udplitev6_exit(); udplitev6_fail: udpv6_exit(); udpv6_fail: ipv6_frag_exit(); |
853cbbaaa [IPV6]: make frag... |
1137 1138 |
ipv6_frag_fail: ipv6_exthdrs_exit(); |
248b238dc [IPV6]: make exte... |
1139 1140 |
ipv6_exthdrs_fail: addrconf_cleanup(); |
1da177e4c Linux-2.6.12-rc2 |
1141 1142 |
addrconf_fail: ip6_flowlabel_cleanup(); |
0a3e78ac2 [IPV6]: make flow... |
1143 |
ip6_flowlabel_fail: |
1da177e4c Linux-2.6.12-rc2 |
1144 |
ip6_route_cleanup(); |
e2fddf5e9 [IPV6]: Make af_i... |
1145 |
ip6_route_fail: |
1da177e4c Linux-2.6.12-rc2 |
1146 1147 1148 |
#ifdef CONFIG_PROC_FS if6_proc_exit(); proc_if6_fail: |
1da177e4c Linux-2.6.12-rc2 |
1149 1150 |
ipv6_misc_proc_exit(); proc_misc6_fail: |
ba4e58eca [NET]: Supporting... |
1151 1152 |
udplite6_proc_exit(); proc_udplite6_fail: |
1da177e4c Linux-2.6.12-rc2 |
1153 1154 1155 |
raw6_proc_exit(); proc_raw6_fail: #endif |
2cc7d5730 [NETFILTER]: Move... |
1156 1157 |
ipv6_netfilter_fini(); netfilter_fail: |
1da177e4c Linux-2.6.12-rc2 |
1158 1159 1160 1161 |
igmp6_cleanup(); igmp_fail: ndisc_cleanup(); ndisc_fail: |
623d1a1af ipv6: Do cleanup ... |
1162 1163 |
ip6_mr_cleanup(); ipmr_fail: |
1da177e4c Linux-2.6.12-rc2 |
1164 1165 |
icmpv6_cleanup(); icmp_fail: |
81c1c1780 [NETNS][IPV6]: Ma... |
1166 1167 |
unregister_pernet_subsys(&inet6_net_ops); register_pernet_fail: |
eeb61f719 missing bits of n... |
1168 1169 1170 1171 |
#ifdef CONFIG_SYSCTL ipv6_static_sysctl_unregister(); static_sysctl_fail: #endif |
8eb559105 [IPV6]: Fix inet6... |
1172 |
sock_unregister(PF_INET6); |
e2fddf5e9 [IPV6]: Make af_i... |
1173 |
rtnl_unregister_all(PF_INET6); |
7f4e4868f [IPV6]: make the ... |
1174 1175 |
out_sock_register_fail: rawv6_exit(); |
1da177e4c Linux-2.6.12-rc2 |
1176 1177 |
out_unregister_raw_proto: proto_unregister(&rawv6_prot); |
ba4e58eca [NET]: Supporting... |
1178 1179 |
out_unregister_udplite_proto: proto_unregister(&udplitev6_prot); |
1da177e4c Linux-2.6.12-rc2 |
1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 |
out_unregister_udp_proto: proto_unregister(&udpv6_prot); out_unregister_tcp_proto: proto_unregister(&tcpv6_prot); goto out; } module_init(inet6_init); static void __exit inet6_exit(void) { |
56d417b12 IPv6: Add 'autoco... |
1190 |
if (disable_ipv6_mod) |
ff8cf9a93 ipv6: Fix BUG wh... |
1191 |
return; |
1da177e4c Linux-2.6.12-rc2 |
1192 1193 |
/* First of all disallow new sockets creation. */ sock_unregister(PF_INET6); |
c127ea2c4 [IPv6]: Use rtnl ... |
1194 1195 |
/* Disallow any further netlink messages */ rtnl_unregister_all(PF_INET6); |
ca17c2334 [IPV6]: Adjust in... |
1196 |
|
94911fe31 [NETNS][IPV6] Mov... |
1197 1198 1199 |
#ifdef CONFIG_SYSCTL ipv6_sysctl_unregister(); #endif |
7f4e4868f [IPV6]: make the ... |
1200 1201 1202 |
udpv6_exit(); udplitev6_exit(); tcpv6_exit(); |
ca17c2334 [IPV6]: Adjust in... |
1203 1204 |
/* Cleanup code parts. */ ipv6_packet_cleanup(); |
853cbbaaa [IPV6]: make frag... |
1205 |
ipv6_frag_exit(); |
248b238dc [IPV6]: make exte... |
1206 |
ipv6_exthdrs_exit(); |
ca17c2334 [IPV6]: Adjust in... |
1207 1208 1209 |
addrconf_cleanup(); ip6_flowlabel_cleanup(); ip6_route_cleanup(); |
1da177e4c Linux-2.6.12-rc2 |
1210 |
#ifdef CONFIG_PROC_FS |
ca17c2334 [IPV6]: Adjust in... |
1211 1212 |
/* Cleanup code parts. */ |
1da177e4c Linux-2.6.12-rc2 |
1213 |
if6_proc_exit(); |
1ab1457c4 [NET] IPV6: Fix w... |
1214 |
ipv6_misc_proc_exit(); |
1ab1457c4 [NET] IPV6: Fix w... |
1215 |
udplite6_proc_exit(); |
1ab1457c4 [NET] IPV6: Fix w... |
1216 |
raw6_proc_exit(); |
1da177e4c Linux-2.6.12-rc2 |
1217 |
#endif |
2cc7d5730 [NETFILTER]: Move... |
1218 |
ipv6_netfilter_fini(); |
ca17c2334 [IPV6]: Adjust in... |
1219 |
igmp6_cleanup(); |
1da177e4c Linux-2.6.12-rc2 |
1220 |
ndisc_cleanup(); |
623d1a1af ipv6: Do cleanup ... |
1221 |
ip6_mr_cleanup(); |
1da177e4c Linux-2.6.12-rc2 |
1222 |
icmpv6_cleanup(); |
7f4e4868f [IPV6]: make the ... |
1223 |
rawv6_exit(); |
94911fe31 [NETNS][IPV6] Mov... |
1224 |
|
81c1c1780 [NETNS][IPV6]: Ma... |
1225 |
unregister_pernet_subsys(&inet6_net_ops); |
eeb61f719 missing bits of n... |
1226 1227 1228 |
#ifdef CONFIG_SYSCTL ipv6_static_sysctl_unregister(); #endif |
1da177e4c Linux-2.6.12-rc2 |
1229 |
proto_unregister(&rawv6_prot); |
ca17c2334 [IPV6]: Adjust in... |
1230 |
proto_unregister(&udplitev6_prot); |
1da177e4c Linux-2.6.12-rc2 |
1231 1232 |
proto_unregister(&udpv6_prot); proto_unregister(&tcpv6_prot); |
1f2ccd00f ipv6: Use rcu_bar... |
1233 1234 |
rcu_barrier(); /* Wait for completion of call_rcu()'s */ |
1da177e4c Linux-2.6.12-rc2 |
1235 1236 1237 1238 |
} module_exit(inet6_exit); MODULE_ALIAS_NETPROTO(PF_INET6); |