forked from Minki/linux
Merge branch 'net-2.6.26-misc-20080412b' of git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-dev
This commit is contained in:
David S. Miller
commit
6fb9114e4b
@ -48,6 +48,14 @@ extern const struct in6_addr in6addr_any;
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#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
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extern const struct in6_addr in6addr_loopback;
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#define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
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#ifdef __KERNEL__
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extern const struct in6_addr in6addr_linklocal_allnodes;
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#define IN6ADDR_LINKLOCAL_ALLNODES_INIT \
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{ { { 0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
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extern const struct in6_addr in6addr_linklocal_allrouters;
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#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
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{ { { 0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } }
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#endif
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struct sockaddr_in6 {
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unsigned short int sin6_family; /* AF_INET6 */
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@ -76,12 +76,12 @@ extern int ipv6_chk_prefix(struct in6_addr *addr,
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struct net_device *dev);
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extern struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net,
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struct in6_addr *addr,
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const struct in6_addr *addr,
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struct net_device *dev,
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int strict);
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extern int ipv6_dev_get_saddr(struct net_device *dev,
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struct in6_addr *daddr,
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const struct in6_addr *daddr,
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unsigned int srcprefs,
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struct in6_addr *saddr);
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extern int ipv6_get_lladdr(struct net_device *dev,
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@ -105,25 +105,27 @@ extern u32 ipv6_addr_label(const struct in6_addr *addr,
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/*
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* multicast prototypes (mcast.c)
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*/
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extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
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struct in6_addr *addr);
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extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
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struct in6_addr *addr);
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extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
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const struct in6_addr *addr);
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extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
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const struct in6_addr *addr);
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extern void ipv6_sock_mc_close(struct sock *sk);
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extern int inet6_mc_check(struct sock *sk, struct in6_addr *mc_addr,
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struct in6_addr *src_addr);
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extern int inet6_mc_check(struct sock *sk,
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const struct in6_addr *mc_addr,
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const struct in6_addr *src_addr);
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extern int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr);
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extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr);
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extern int ipv6_dev_mc_dec(struct net_device *dev, struct in6_addr *addr);
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extern int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr);
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extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr);
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extern int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr);
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extern void ipv6_mc_up(struct inet6_dev *idev);
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extern void ipv6_mc_down(struct inet6_dev *idev);
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extern void ipv6_mc_init_dev(struct inet6_dev *idev);
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extern void ipv6_mc_destroy_dev(struct inet6_dev *idev);
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extern void addrconf_dad_failure(struct inet6_ifaddr *ifp);
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extern int ipv6_chk_mcast_addr(struct net_device *dev, struct in6_addr *group,
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struct in6_addr *src_addr);
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extern int ipv6_chk_mcast_addr(struct net_device *dev,
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const struct in6_addr *group,
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const struct in6_addr *src_addr);
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extern int ipv6_is_mld(struct sk_buff *skb, int nexthdr);
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extern void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len);
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@ -189,25 +191,6 @@ static inline void in6_ifa_put(struct inet6_ifaddr *ifp)
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#define in6_ifa_hold(ifp) atomic_inc(&(ifp)->refcnt)
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/*
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* Hash function taken from net_alias.c
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*/
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static __inline__ u8 ipv6_addr_hash(const struct in6_addr *addr)
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{
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__u32 word;
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/*
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* We perform the hash function over the last 64 bits of the address
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* This will include the IEEE address token on links that support it.
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*/
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word = (__force u32)(addr->s6_addr32[2] ^ addr->s6_addr32[3]);
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word ^= (word >> 16);
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word ^= (word >> 8);
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return ((word ^ (word >> 4)) & 0x0f);
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}
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/*
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* compute link-local solicited-node multicast address
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@ -222,17 +205,6 @@ static inline void addrconf_addr_solict_mult(const struct in6_addr *addr,
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htonl(0xFF000000) | addr->s6_addr32[3]);
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}
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static inline void ipv6_addr_all_nodes(struct in6_addr *addr)
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{
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ipv6_addr_set(addr, htonl(0xFF020000), 0, 0, htonl(0x1));
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}
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static inline void ipv6_addr_all_routers(struct in6_addr *addr)
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{
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ipv6_addr_set(addr, htonl(0xFF020000), 0, 0, htonl(0x2));
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}
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static inline int ipv6_addr_is_multicast(const struct in6_addr *addr)
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{
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return (addr->s6_addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000);
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@ -240,34 +212,19 @@ static inline int ipv6_addr_is_multicast(const struct in6_addr *addr)
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static inline int ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr)
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{
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return (addr->s6_addr32[0] == htonl(0xff020000) &&
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addr->s6_addr32[1] == 0 &&
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addr->s6_addr32[2] == 0 &&
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addr->s6_addr32[3] == htonl(0x00000001));
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return (((addr->s6_addr32[0] ^ htonl(0xff020000)) |
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addr->s6_addr32[1] | addr->s6_addr32[2] |
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(addr->s6_addr32[3] ^ htonl(0x00000001))) == 0);
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}
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static inline int ipv6_addr_is_ll_all_routers(const struct in6_addr *addr)
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{
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return (addr->s6_addr32[0] == htonl(0xff020000) &&
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addr->s6_addr32[1] == 0 &&
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addr->s6_addr32[2] == 0 &&
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addr->s6_addr32[3] == htonl(0x00000002));
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return (((addr->s6_addr32[0] ^ htonl(0xff020000)) |
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addr->s6_addr32[1] | addr->s6_addr32[2] |
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(addr->s6_addr32[3] ^ htonl(0x00000002))) == 0);
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}
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static inline int ipv6_isatap_eui64(u8 *eui, __be32 addr)
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{
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eui[0] = (ipv4_is_zeronet(addr) || ipv4_is_private_10(addr) ||
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ipv4_is_loopback(addr) || ipv4_is_linklocal_169(addr) ||
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ipv4_is_private_172(addr) || ipv4_is_test_192(addr) ||
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ipv4_is_anycast_6to4(addr) || ipv4_is_private_192(addr) ||
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ipv4_is_test_198(addr) || ipv4_is_multicast(addr) ||
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ipv4_is_lbcast(addr)) ? 0x00 : 0x02;
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eui[1] = 0;
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eui[2] = 0x5E;
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eui[3] = 0xFE;
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memcpy (eui+4, &addr, 4);
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return 0;
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}
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extern int __ipv6_isatap_ifid(u8 *eui, __be32 addr);
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static inline int ipv6_addr_is_isatap(const struct in6_addr *addr)
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{
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@ -61,13 +61,13 @@ extern int ip6_ins_rt(struct rt6_info *);
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extern int ip6_del_rt(struct rt6_info *);
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extern struct rt6_info *rt6_lookup(struct net *net,
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struct in6_addr *daddr,
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struct in6_addr *saddr,
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const struct in6_addr *daddr,
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const struct in6_addr *saddr,
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int oif, int flags);
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extern struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
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struct neighbour *neigh,
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struct in6_addr *addr);
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const struct in6_addr *addr);
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extern int icmp6_dst_gc(int *more);
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extern void fib6_force_start_gc(struct net *net);
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@ -280,12 +280,10 @@ static inline int
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ipv6_masked_addr_cmp(const struct in6_addr *a1, const struct in6_addr *m,
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const struct in6_addr *a2)
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{
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unsigned int i;
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for (i = 0; i < 4; i++)
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if ((a1->s6_addr32[i] ^ a2->s6_addr32[i]) & m->s6_addr32[i])
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return 1;
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return 0;
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return (!!(((a1->s6_addr32[0] ^ a2->s6_addr32[0]) & m->s6_addr32[0]) |
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((a1->s6_addr32[1] ^ a2->s6_addr32[1]) & m->s6_addr32[1]) |
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((a1->s6_addr32[2] ^ a2->s6_addr32[2]) & m->s6_addr32[2]) |
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((a1->s6_addr32[3] ^ a2->s6_addr32[3]) & m->s6_addr32[3])));
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}
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static inline void ipv6_addr_copy(struct in6_addr *a1, const struct in6_addr *a2)
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@ -320,10 +318,10 @@ static inline void ipv6_addr_set(struct in6_addr *addr,
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static inline int ipv6_addr_equal(const struct in6_addr *a1,
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const struct in6_addr *a2)
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{
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return (a1->s6_addr32[0] == a2->s6_addr32[0] &&
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a1->s6_addr32[1] == a2->s6_addr32[1] &&
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a1->s6_addr32[2] == a2->s6_addr32[2] &&
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a1->s6_addr32[3] == a2->s6_addr32[3]);
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return (((a1->s6_addr32[0] ^ a2->s6_addr32[0]) |
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(a1->s6_addr32[1] ^ a2->s6_addr32[1]) |
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(a1->s6_addr32[2] ^ a2->s6_addr32[2]) |
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(a1->s6_addr32[3] ^ a2->s6_addr32[3])) == 0);
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}
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static inline int __ipv6_prefix_equal(const __be32 *a1, const __be32 *a2,
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@ -371,8 +369,8 @@ static inline int ipv6_addr_any(const struct in6_addr *a)
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static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
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{
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return ((a->s6_addr32[0] | a->s6_addr32[1]) == 0 &&
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a->s6_addr32[2] == htonl(0x0000ffff));
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return ((a->s6_addr32[0] | a->s6_addr32[1] |
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(a->s6_addr32[2] ^ htonl(0x0000ffff))) == 0);
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}
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/*
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@ -453,8 +451,8 @@ extern int ip6_xmit(struct sock *sk,
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extern int ip6_nd_hdr(struct sock *sk,
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struct sk_buff *skb,
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struct net_device *dev,
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struct in6_addr *saddr,
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struct in6_addr *daddr,
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const struct in6_addr *saddr,
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const struct in6_addr *daddr,
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int proto, int len);
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extern int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr);
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@ -28,9 +28,6 @@
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#include <linux/skbuff.h>
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#include <net/sock.h>
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#define MIP6_OPT_PAD_1 0
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#define MIP6_OPT_PAD_N 1
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/*
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* Mobility Header
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*/
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@ -94,17 +94,17 @@ extern int ndisc_rcv(struct sk_buff *skb);
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extern void ndisc_send_ns(struct net_device *dev,
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struct neighbour *neigh,
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struct in6_addr *solicit,
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struct in6_addr *daddr,
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struct in6_addr *saddr);
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const struct in6_addr *solicit,
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const struct in6_addr *daddr,
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const struct in6_addr *saddr);
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extern void ndisc_send_rs(struct net_device *dev,
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struct in6_addr *saddr,
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struct in6_addr *daddr);
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const struct in6_addr *saddr,
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const struct in6_addr *daddr);
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extern void ndisc_send_redirect(struct sk_buff *skb,
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struct neighbour *neigh,
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struct in6_addr *target);
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const struct in6_addr *target);
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extern int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int dir);
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@ -134,7 +134,7 @@ extern int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl,
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extern void inet6_ifinfo_notify(int event,
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struct inet6_dev *idev);
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static inline struct neighbour * ndisc_get_neigh(struct net_device *dev, struct in6_addr *addr)
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static inline struct neighbour * ndisc_get_neigh(struct net_device *dev, const struct in6_addr *addr)
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{
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if (dev)
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@ -222,6 +222,8 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
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/* IPv6 Wildcard Address and Loopback Address defined by RFC2553 */
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const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT;
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const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
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const struct in6_addr in6addr_linklocal_allnodes = IN6ADDR_LINKLOCAL_ALLNODES_INIT;
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const struct in6_addr in6addr_linklocal_allrouters = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT;
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/* Check if a valid qdisc is available */
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static inline int addrconf_qdisc_ok(struct net_device *dev)
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@ -321,7 +323,6 @@ EXPORT_SYMBOL(in6_dev_finish_destroy);
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static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
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{
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struct inet6_dev *ndev;
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struct in6_addr maddr;
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ASSERT_RTNL();
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@ -406,8 +407,7 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
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rcu_assign_pointer(dev->ip6_ptr, ndev);
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/* Join all-node multicast group */
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ipv6_addr_all_nodes(&maddr);
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ipv6_dev_mc_inc(dev, &maddr);
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ipv6_dev_mc_inc(dev, &in6addr_linklocal_allnodes);
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return ndev;
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}
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@ -433,18 +433,15 @@ static void dev_forward_change(struct inet6_dev *idev)
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{
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struct net_device *dev;
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struct inet6_ifaddr *ifa;
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struct in6_addr addr;
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if (!idev)
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return;
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dev = idev->dev;
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if (dev && (dev->flags & IFF_MULTICAST)) {
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ipv6_addr_all_routers(&addr);
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if (idev->cnf.forwarding)
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ipv6_dev_mc_inc(dev, &addr);
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ipv6_dev_mc_inc(dev, &in6addr_linklocal_allrouters);
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else
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ipv6_dev_mc_dec(dev, &addr);
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ipv6_dev_mc_dec(dev, &in6addr_linklocal_allrouters);
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}
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for (ifa=idev->addr_list; ifa; ifa=ifa->if_next) {
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if (ifa->flags&IFA_F_TENTATIVE)
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@ -541,6 +538,25 @@ ipv6_link_dev_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp)
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*ifap = ifp;
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}
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/*
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* Hash function taken from net_alias.c
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*/
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static u8 ipv6_addr_hash(const struct in6_addr *addr)
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{
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__u32 word;
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/*
|
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* We perform the hash function over the last 64 bits of the address
|
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* This will include the IEEE address token on links that support it.
|
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*/
|
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word = (__force u32)(addr->s6_addr32[2] ^ addr->s6_addr32[3]);
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word ^= (word >> 16);
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word ^= (word >> 8);
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return ((word ^ (word >> 4)) & 0x0f);
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}
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/* On success it returns ifp with increased reference count */
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static struct inet6_ifaddr *
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@ -921,7 +937,7 @@ struct ipv6_saddr_score {
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};
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struct ipv6_saddr_dst {
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struct in6_addr *addr;
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const struct in6_addr *addr;
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int ifindex;
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int scope;
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int label;
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@ -1055,7 +1071,7 @@ out:
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}
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int ipv6_dev_get_saddr(struct net_device *dst_dev,
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struct in6_addr *daddr, unsigned int prefs,
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const struct in6_addr *daddr, unsigned int prefs,
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struct in6_addr *saddr)
|
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{
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struct ipv6_saddr_score scores[2],
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@ -1290,7 +1306,7 @@ int ipv6_chk_prefix(struct in6_addr *addr, struct net_device *dev)
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EXPORT_SYMBOL(ipv6_chk_prefix);
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|
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struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, struct in6_addr *addr,
|
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struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *addr,
|
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struct net_device *dev, int strict)
|
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{
|
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struct inet6_ifaddr * ifp;
|
||||
@ -1475,6 +1491,29 @@ static int addrconf_ifid_infiniband(u8 *eui, struct net_device *dev)
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return 0;
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}
|
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|
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int __ipv6_isatap_ifid(u8 *eui, __be32 addr)
|
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{
|
||||
eui[0] = (ipv4_is_zeronet(addr) || ipv4_is_private_10(addr) ||
|
||||
ipv4_is_loopback(addr) || ipv4_is_linklocal_169(addr) ||
|
||||
ipv4_is_private_172(addr) || ipv4_is_test_192(addr) ||
|
||||
ipv4_is_anycast_6to4(addr) || ipv4_is_private_192(addr) ||
|
||||
ipv4_is_test_198(addr) || ipv4_is_multicast(addr) ||
|
||||
ipv4_is_lbcast(addr)) ? 0x00 : 0x02;
|
||||
eui[1] = 0;
|
||||
eui[2] = 0x5E;
|
||||
eui[3] = 0xFE;
|
||||
memcpy(eui + 4, &addr, 4);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(__ipv6_isatap_ifid);
|
||||
|
||||
static int addrconf_ifid_sit(u8 *eui, struct net_device *dev)
|
||||
{
|
||||
if (dev->priv_flags & IFF_ISATAP)
|
||||
return __ipv6_isatap_ifid(eui, *(__be32 *)dev->dev_addr);
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int ipv6_generate_eui64(u8 *eui, struct net_device *dev)
|
||||
{
|
||||
switch (dev->type) {
|
||||
@ -1487,8 +1526,7 @@ static int ipv6_generate_eui64(u8 *eui, struct net_device *dev)
|
||||
case ARPHRD_INFINIBAND:
|
||||
return addrconf_ifid_infiniband(eui, dev);
|
||||
case ARPHRD_SIT:
|
||||
if (dev->priv_flags & IFF_ISATAP)
|
||||
return ipv6_isatap_eui64(eui, *(__be32 *)dev->dev_addr);
|
||||
return addrconf_ifid_sit(eui, dev);
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
@ -2613,8 +2651,6 @@ static void addrconf_rs_timer(unsigned long data)
|
||||
|
||||
spin_lock(&ifp->lock);
|
||||
if (ifp->probes++ < ifp->idev->cnf.rtr_solicits) {
|
||||
struct in6_addr all_routers;
|
||||
|
||||
/* The wait after the last probe can be shorter */
|
||||
addrconf_mod_timer(ifp, AC_RS,
|
||||
(ifp->probes == ifp->idev->cnf.rtr_solicits) ?
|
||||
@ -2622,9 +2658,7 @@ static void addrconf_rs_timer(unsigned long data)
|
||||
ifp->idev->cnf.rtr_solicit_interval);
|
||||
spin_unlock(&ifp->lock);
|
||||
|
||||
ipv6_addr_all_routers(&all_routers);
|
||||
|
||||
ndisc_send_rs(ifp->idev->dev, &ifp->addr, &all_routers);
|
||||
ndisc_send_rs(ifp->idev->dev, &ifp->addr, &in6addr_linklocal_allrouters);
|
||||
} else {
|
||||
spin_unlock(&ifp->lock);
|
||||
/*
|
||||
@ -2711,7 +2745,6 @@ static void addrconf_dad_timer(unsigned long data)
|
||||
{
|
||||
struct inet6_ifaddr *ifp = (struct inet6_ifaddr *) data;
|
||||
struct inet6_dev *idev = ifp->idev;
|
||||
struct in6_addr unspec;
|
||||
struct in6_addr mcaddr;
|
||||
|
||||
read_lock_bh(&idev->lock);
|
||||
@ -2740,9 +2773,8 @@ static void addrconf_dad_timer(unsigned long data)
|
||||
read_unlock_bh(&idev->lock);
|
||||
|
||||
/* send a neighbour solicitation for our addr */
|
||||
memset(&unspec, 0, sizeof(unspec));
|
||||
addrconf_addr_solict_mult(&ifp->addr, &mcaddr);
|
||||
ndisc_send_ns(ifp->idev->dev, NULL, &ifp->addr, &mcaddr, &unspec);
|
||||
ndisc_send_ns(ifp->idev->dev, NULL, &ifp->addr, &mcaddr, &in6addr_any);
|
||||
out:
|
||||
in6_ifa_put(ifp);
|
||||
}
|
||||
@ -2765,16 +2797,12 @@ static void addrconf_dad_completed(struct inet6_ifaddr *ifp)
|
||||
ifp->idev->cnf.rtr_solicits > 0 &&
|
||||
(dev->flags&IFF_LOOPBACK) == 0 &&
|
||||
(ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL)) {
|
||||
struct in6_addr all_routers;
|
||||
|
||||
ipv6_addr_all_routers(&all_routers);
|
||||
|
||||
/*
|
||||
* If a host as already performed a random delay
|
||||
* [...] as part of DAD [...] there is no need
|
||||
* to delay again before sending the first RS
|
||||
*/
|
||||
ndisc_send_rs(ifp->idev->dev, &ifp->addr, &all_routers);
|
||||
ndisc_send_rs(ifp->idev->dev, &ifp->addr, &in6addr_linklocal_allrouters);
|
||||
|
||||
spin_lock_bh(&ifp->lock);
|
||||
ifp->probes = 1;
|
||||
@ -2951,7 +2979,7 @@ int ipv6_chk_home_addr(struct net *net, struct in6_addr *addr)
|
||||
for (ifp = inet6_addr_lst[hash]; ifp; ifp = ifp->lst_next) {
|
||||
if (!net_eq(dev_net(ifp->idev->dev), net))
|
||||
continue;
|
||||
if (ipv6_addr_cmp(&ifp->addr, addr) == 0 &&
|
||||
if (ipv6_addr_equal(&ifp->addr, addr) &&
|
||||
(ifp->flags & IFA_F_HOMEADDRESS)) {
|
||||
ret = 1;
|
||||
break;
|
||||
|
||||
@ -316,5 +316,5 @@ int __init fib6_rules_init(void)
|
||||
|
||||
void fib6_rules_cleanup(void)
|
||||
{
|
||||
return unregister_pernet_subsys(&fib6_rules_net_ops);
|
||||
unregister_pernet_subsys(&fib6_rules_net_ops);
|
||||
}
|
||||
|
||||
@ -262,21 +262,23 @@ int ip6_mc_input(struct sk_buff *skb)
|
||||
* is for MLD (0x0000).
|
||||
*/
|
||||
if ((ptr[2] | ptr[3]) == 0) {
|
||||
deliver = 0;
|
||||
|
||||
if (!ipv6_ext_hdr(nexthdr)) {
|
||||
/* BUG */
|
||||
goto discard;
|
||||
goto out;
|
||||
}
|
||||
offset = ipv6_skip_exthdr(skb, sizeof(*hdr),
|
||||
&nexthdr);
|
||||
if (offset < 0)
|
||||
goto discard;
|
||||
goto out;
|
||||
|
||||
if (nexthdr != IPPROTO_ICMPV6)
|
||||
goto discard;
|
||||
goto out;
|
||||
|
||||
if (!pskb_may_pull(skb, (skb_network_header(skb) +
|
||||
offset + 1 - skb->data)))
|
||||
goto discard;
|
||||
goto out;
|
||||
|
||||
icmp6 = (struct icmp6hdr *)(skb_network_header(skb) + offset);
|
||||
|
||||
@ -285,12 +287,9 @@ int ip6_mc_input(struct sk_buff *skb)
|
||||
case ICMPV6_MGM_REPORT:
|
||||
case ICMPV6_MGM_REDUCTION:
|
||||
case ICMPV6_MLD2_REPORT:
|
||||
deliver = 1;
|
||||
break;
|
||||
default:
|
||||
/* Bogus */
|
||||
goto discard;
|
||||
}
|
||||
deliver = 1;
|
||||
goto out;
|
||||
}
|
||||
/* unknown RA - process it normally */
|
||||
@ -308,15 +307,14 @@ int ip6_mc_input(struct sk_buff *skb)
|
||||
ip6_mr_input(skb2);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
out:
|
||||
if (likely(deliver)) {
|
||||
#endif
|
||||
if (likely(deliver))
|
||||
ip6_input(skb);
|
||||
return 0;
|
||||
else {
|
||||
/* discard */
|
||||
kfree_skb(skb);
|
||||
}
|
||||
discard:
|
||||
/* discard */
|
||||
kfree_skb(skb);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -286,7 +286,7 @@ EXPORT_SYMBOL(ip6_xmit);
|
||||
*/
|
||||
|
||||
int ip6_nd_hdr(struct sock *sk, struct sk_buff *skb, struct net_device *dev,
|
||||
struct in6_addr *saddr, struct in6_addr *daddr,
|
||||
const struct in6_addr *saddr, const struct in6_addr *daddr,
|
||||
int proto, int len)
|
||||
{
|
||||
struct ipv6_pinfo *np = inet6_sk(sk);
|
||||
|
||||
@ -27,27 +27,18 @@
|
||||
#include <linux/fcntl.h>
|
||||
#include <linux/stat.h>
|
||||
#include <linux/socket.h>
|
||||
#include <linux/in.h>
|
||||
#include <linux/inet.h>
|
||||
#include <linux/netdevice.h>
|
||||
#include <linux/inetdevice.h>
|
||||
#include <linux/igmp.h>
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/seq_file.h>
|
||||
#include <linux/mroute.h>
|
||||
#include <linux/init.h>
|
||||
#include <net/ip.h>
|
||||
#include <net/protocol.h>
|
||||
#include <linux/skbuff.h>
|
||||
#include <net/sock.h>
|
||||
#include <net/icmp.h>
|
||||
#include <net/udp.h>
|
||||
#include <net/raw.h>
|
||||
#include <net/route.h>
|
||||
#include <linux/notifier.h>
|
||||
#include <linux/if_arp.h>
|
||||
#include <linux/netfilter_ipv4.h>
|
||||
#include <net/ipip.h>
|
||||
#include <net/checksum.h>
|
||||
#include <net/netlink.h>
|
||||
|
||||
@ -83,7 +74,7 @@ static int mroute_do_pim;
|
||||
#define mroute_do_pim 0
|
||||
#endif
|
||||
|
||||
static struct mfc6_cache *mfc6_cache_array[MFC_LINES]; /* Forwarding cache */
|
||||
static struct mfc6_cache *mfc6_cache_array[MFC6_LINES]; /* Forwarding cache */
|
||||
|
||||
static struct mfc6_cache *mfc_unres_queue; /* Queue of unresolved entries */
|
||||
static atomic_t cache_resolve_queue_len; /* Size of unresolved */
|
||||
@ -102,7 +93,7 @@ static DEFINE_SPINLOCK(mfc_unres_lock);
|
||||
static struct kmem_cache *mrt_cachep __read_mostly;
|
||||
|
||||
static int ip6_mr_forward(struct sk_buff *skb, struct mfc6_cache *cache);
|
||||
static int ip6mr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert);
|
||||
static int ip6mr_cache_report(struct sk_buff *pkt, mifi_t mifi, int assert);
|
||||
static int ip6mr_fill_mroute(struct sk_buff *skb, struct mfc6_cache *c, struct rtmsg *rtm);
|
||||
|
||||
#ifdef CONFIG_IPV6_PIMSM_V2
|
||||
@ -597,9 +588,9 @@ static void ip6mr_update_thresholds(struct mfc6_cache *cache, unsigned char *ttl
|
||||
{
|
||||
int vifi;
|
||||
|
||||
cache->mfc_un.res.minvif = MAXVIFS;
|
||||
cache->mfc_un.res.minvif = MAXMIFS;
|
||||
cache->mfc_un.res.maxvif = 0;
|
||||
memset(cache->mfc_un.res.ttls, 255, MAXVIFS);
|
||||
memset(cache->mfc_un.res.ttls, 255, MAXMIFS);
|
||||
|
||||
for (vifi = 0; vifi < maxvif; vifi++) {
|
||||
if (MIF_EXISTS(vifi) && ttls[vifi] && ttls[vifi] < 255) {
|
||||
@ -700,7 +691,7 @@ static struct mfc6_cache *ip6mr_cache_alloc(void)
|
||||
if (c == NULL)
|
||||
return NULL;
|
||||
memset(c, 0, sizeof(*c));
|
||||
c->mfc_un.res.minvif = MAXVIFS;
|
||||
c->mfc_un.res.minvif = MAXMIFS;
|
||||
return c;
|
||||
}
|
||||
|
||||
@ -753,7 +744,7 @@ static void ip6mr_cache_resolve(struct mfc6_cache *uc, struct mfc6_cache *c)
|
||||
* Called under mrt_lock.
|
||||
*/
|
||||
|
||||
static int ip6mr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
|
||||
static int ip6mr_cache_report(struct sk_buff *pkt, mifi_t mifi, int assert)
|
||||
{
|
||||
struct sk_buff *skb;
|
||||
struct mrt6msg *msg;
|
||||
@ -815,7 +806,7 @@ static int ip6mr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
|
||||
|
||||
msg->im6_mbz = 0;
|
||||
msg->im6_msgtype = assert;
|
||||
msg->im6_mif = vifi;
|
||||
msg->im6_mif = mifi;
|
||||
msg->im6_pad = 0;
|
||||
ipv6_addr_copy(&msg->im6_src, &ipv6_hdr(pkt)->saddr);
|
||||
ipv6_addr_copy(&msg->im6_dst, &ipv6_hdr(pkt)->daddr);
|
||||
@ -848,7 +839,7 @@ static int ip6mr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
|
||||
*/
|
||||
|
||||
static int
|
||||
ip6mr_cache_unresolved(vifi_t vifi, struct sk_buff *skb)
|
||||
ip6mr_cache_unresolved(mifi_t mifi, struct sk_buff *skb)
|
||||
{
|
||||
int err;
|
||||
struct mfc6_cache *c;
|
||||
@ -883,7 +874,7 @@ ip6mr_cache_unresolved(vifi_t vifi, struct sk_buff *skb)
|
||||
/*
|
||||
* Reflect first query at pim6sd
|
||||
*/
|
||||
if ((err = ip6mr_cache_report(skb, vifi, MRT6MSG_NOCACHE)) < 0) {
|
||||
if ((err = ip6mr_cache_report(skb, mifi, MRT6MSG_NOCACHE)) < 0) {
|
||||
/* If the report failed throw the cache entry
|
||||
out - Brad Parker
|
||||
*/
|
||||
@ -992,11 +983,11 @@ static int ip6mr_mfc_add(struct mf6cctl *mfc, int mrtsock)
|
||||
{
|
||||
int line;
|
||||
struct mfc6_cache *uc, *c, **cp;
|
||||
unsigned char ttls[MAXVIFS];
|
||||
unsigned char ttls[MAXMIFS];
|
||||
int i;
|
||||
|
||||
memset(ttls, 255, MAXVIFS);
|
||||
for (i = 0; i < MAXVIFS; i++) {
|
||||
memset(ttls, 255, MAXMIFS);
|
||||
for (i = 0; i < MAXMIFS; i++) {
|
||||
if (IF_ISSET(i, &mfc->mf6cc_ifset))
|
||||
ttls[i] = 1;
|
||||
|
||||
@ -1188,7 +1179,7 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, int
|
||||
return -EINVAL;
|
||||
if (copy_from_user(&vif, optval, sizeof(vif)))
|
||||
return -EFAULT;
|
||||
if (vif.mif6c_mifi >= MAXVIFS)
|
||||
if (vif.mif6c_mifi >= MAXMIFS)
|
||||
return -ENFILE;
|
||||
rtnl_lock();
|
||||
ret = mif6_add(&vif, sk == mroute6_socket);
|
||||
@ -1238,7 +1229,7 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, int
|
||||
#ifdef CONFIG_IPV6_PIMSM_V2
|
||||
case MRT6_PIM:
|
||||
{
|
||||
int v, ret;
|
||||
int v;
|
||||
if (get_user(v, (int __user *)optval))
|
||||
return -EFAULT;
|
||||
v = !!v;
|
||||
|
||||
@ -16,7 +16,6 @@
|
||||
*
|
||||
* FIXME: Make the setsockopt code POSIX compliant: That is
|
||||
*
|
||||
* o Return -EINVAL for setsockopt of short lengths
|
||||
* o Truncate getsockopt returns
|
||||
* o Return an optlen of the truncated length if need be
|
||||
*
|
||||
@ -114,8 +113,13 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
|
||||
|
||||
if (optval == NULL)
|
||||
val=0;
|
||||
else if (get_user(val, (int __user *) optval))
|
||||
return -EFAULT;
|
||||
else {
|
||||
if (optlen >= sizeof(int)) {
|
||||
if (get_user(val, (int __user *) optval))
|
||||
return -EFAULT;
|
||||
} else
|
||||
val = 0;
|
||||
}
|
||||
|
||||
valbool = (val!=0);
|
||||
|
||||
@ -127,6 +131,8 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
|
||||
switch (optname) {
|
||||
|
||||
case IPV6_ADDRFORM:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
if (val == PF_INET) {
|
||||
struct ipv6_txoptions *opt;
|
||||
struct sk_buff *pktopt;
|
||||
@ -159,8 +165,6 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
|
||||
|
||||
if (sk->sk_protocol == IPPROTO_TCP) {
|
||||
struct inet_connection_sock *icsk = inet_csk(sk);
|
||||
struct net *net = sock_net(sk);
|
||||
|
||||
local_bh_disable();
|
||||
sock_prot_inuse_add(net, sk->sk_prot, -1);
|
||||
sock_prot_inuse_add(net, &tcp_prot, 1);
|
||||
@ -172,7 +176,6 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
|
||||
tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
|
||||
} else {
|
||||
struct proto *prot = &udp_prot;
|
||||
struct net *net = sock_net(sk);
|
||||
|
||||
if (sk->sk_protocol == IPPROTO_UDPLITE)
|
||||
prot = &udplite_prot;
|
||||
@ -204,63 +207,86 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
|
||||
goto e_inval;
|
||||
|
||||
case IPV6_V6ONLY:
|
||||
if (inet_sk(sk)->num)
|
||||
if (optlen < sizeof(int) ||
|
||||
inet_sk(sk)->num)
|
||||
goto e_inval;
|
||||
np->ipv6only = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_RECVPKTINFO:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.rxinfo = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_2292PKTINFO:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.rxoinfo = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_RECVHOPLIMIT:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.rxhlim = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_2292HOPLIMIT:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.rxohlim = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_RECVRTHDR:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.srcrt = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_2292RTHDR:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.osrcrt = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_RECVHOPOPTS:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.hopopts = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_2292HOPOPTS:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.ohopopts = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_RECVDSTOPTS:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.dstopts = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_2292DSTOPTS:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.odstopts = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_TCLASS:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
if (val < -1 || val > 0xff)
|
||||
goto e_inval;
|
||||
np->tclass = val;
|
||||
@ -268,11 +294,15 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
|
||||
break;
|
||||
|
||||
case IPV6_RECVTCLASS:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.rxtclass = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
|
||||
case IPV6_FLOWINFO:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->rxopt.bits.rxflow = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
@ -291,9 +321,9 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
|
||||
if (optname != IPV6_RTHDR && !capable(CAP_NET_RAW))
|
||||
break;
|
||||
|
||||
retv = -EINVAL;
|
||||
if (optlen & 0x7 || optlen > 8 * 255)
|
||||
break;
|
||||
if (optlen < sizeof(struct ipv6_opt_hdr) ||
|
||||
optlen & 0x7 || optlen > 8 * 255)
|
||||
goto e_inval;
|
||||
|
||||
opt = ipv6_renew_options(sk, np->opt, optname,
|
||||
(struct ipv6_opt_hdr __user *)optval,
|
||||
@ -411,6 +441,8 @@ done:
|
||||
break;
|
||||
}
|
||||
case IPV6_UNICAST_HOPS:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
if (val > 255 || val < -1)
|
||||
goto e_inval;
|
||||
np->hop_limit = val;
|
||||
@ -420,6 +452,8 @@ done:
|
||||
case IPV6_MULTICAST_HOPS:
|
||||
if (sk->sk_type == SOCK_STREAM)
|
||||
goto e_inval;
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
if (val > 255 || val < -1)
|
||||
goto e_inval;
|
||||
np->mcast_hops = val;
|
||||
@ -427,6 +461,8 @@ done:
|
||||
break;
|
||||
|
||||
case IPV6_MULTICAST_LOOP:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->mc_loop = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
@ -434,6 +470,8 @@ done:
|
||||
case IPV6_MULTICAST_IF:
|
||||
if (sk->sk_type == SOCK_STREAM)
|
||||
goto e_inval;
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
|
||||
if (val) {
|
||||
if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != val)
|
||||
@ -452,6 +490,9 @@ done:
|
||||
{
|
||||
struct ipv6_mreq mreq;
|
||||
|
||||
if (optlen < sizeof(struct ipv6_mreq))
|
||||
goto e_inval;
|
||||
|
||||
retv = -EPROTO;
|
||||
if (inet_sk(sk)->is_icsk)
|
||||
break;
|
||||
@ -471,7 +512,7 @@ done:
|
||||
{
|
||||
struct ipv6_mreq mreq;
|
||||
|
||||
if (optlen != sizeof(struct ipv6_mreq))
|
||||
if (optlen < sizeof(struct ipv6_mreq))
|
||||
goto e_inval;
|
||||
|
||||
retv = -EFAULT;
|
||||
@ -490,6 +531,9 @@ done:
|
||||
struct group_req greq;
|
||||
struct sockaddr_in6 *psin6;
|
||||
|
||||
if (optlen < sizeof(struct group_req))
|
||||
goto e_inval;
|
||||
|
||||
retv = -EFAULT;
|
||||
if (copy_from_user(&greq, optval, sizeof(struct group_req)))
|
||||
break;
|
||||
@ -514,7 +558,7 @@ done:
|
||||
struct group_source_req greqs;
|
||||
int omode, add;
|
||||
|
||||
if (optlen != sizeof(struct group_source_req))
|
||||
if (optlen < sizeof(struct group_source_req))
|
||||
goto e_inval;
|
||||
if (copy_from_user(&greqs, optval, sizeof(greqs))) {
|
||||
retv = -EFAULT;
|
||||
@ -588,27 +632,37 @@ done:
|
||||
break;
|
||||
}
|
||||
case IPV6_ROUTER_ALERT:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
retv = ip6_ra_control(sk, val, NULL);
|
||||
break;
|
||||
case IPV6_MTU_DISCOVER:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
if (val<0 || val>3)
|
||||
goto e_inval;
|
||||
np->pmtudisc = val;
|
||||
retv = 0;
|
||||
break;
|
||||
case IPV6_MTU:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
if (val && val < IPV6_MIN_MTU)
|
||||
goto e_inval;
|
||||
np->frag_size = val;
|
||||
retv = 0;
|
||||
break;
|
||||
case IPV6_RECVERR:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->recverr = valbool;
|
||||
if (!val)
|
||||
skb_queue_purge(&sk->sk_error_queue);
|
||||
retv = 0;
|
||||
break;
|
||||
case IPV6_FLOWINFO_SEND:
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
np->sndflow = valbool;
|
||||
retv = 0;
|
||||
break;
|
||||
@ -628,6 +682,9 @@ done:
|
||||
unsigned int pref = 0;
|
||||
unsigned int prefmask = ~0;
|
||||
|
||||
if (optlen < sizeof(int))
|
||||
goto e_inval;
|
||||
|
||||
retv = -EINVAL;
|
||||
|
||||
/* check PUBLIC/TMP/PUBTMP_DEFAULT conflicts */
|
||||
|
||||
@ -127,8 +127,6 @@ static struct in6_addr mld2_all_mcr = MLD2_ALL_MCR_INIT;
|
||||
/* Big mc list lock for all the sockets */
|
||||
static DEFINE_RWLOCK(ipv6_sk_mc_lock);
|
||||
|
||||
int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr);
|
||||
|
||||
static void igmp6_join_group(struct ifmcaddr6 *ma);
|
||||
static void igmp6_leave_group(struct ifmcaddr6 *ma);
|
||||
static void igmp6_timer_handler(unsigned long data);
|
||||
@ -177,7 +175,7 @@ int sysctl_mld_max_msf __read_mostly = IPV6_MLD_MAX_MSF;
|
||||
* socket join on multicast group
|
||||
*/
|
||||
|
||||
int ipv6_sock_mc_join(struct sock *sk, int ifindex, struct in6_addr *addr)
|
||||
int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
|
||||
{
|
||||
struct net_device *dev = NULL;
|
||||
struct ipv6_mc_socklist *mc_lst;
|
||||
@ -252,7 +250,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, struct in6_addr *addr)
|
||||
/*
|
||||
* socket leave on multicast group
|
||||
*/
|
||||
int ipv6_sock_mc_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
|
||||
int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
|
||||
{
|
||||
struct ipv6_pinfo *np = inet6_sk(sk);
|
||||
struct ipv6_mc_socklist *mc_lst, **lnk;
|
||||
@ -664,8 +662,8 @@ done:
|
||||
return err;
|
||||
}
|
||||
|
||||
int inet6_mc_check(struct sock *sk, struct in6_addr *mc_addr,
|
||||
struct in6_addr *src_addr)
|
||||
int inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
|
||||
const struct in6_addr *src_addr)
|
||||
{
|
||||
struct ipv6_pinfo *np = inet6_sk(sk);
|
||||
struct ipv6_mc_socklist *mc;
|
||||
@ -871,7 +869,7 @@ static void mld_clear_delrec(struct inet6_dev *idev)
|
||||
/*
|
||||
* device multicast group inc (add if not found)
|
||||
*/
|
||||
int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr)
|
||||
int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr)
|
||||
{
|
||||
struct ifmcaddr6 *mc;
|
||||
struct inet6_dev *idev;
|
||||
@ -942,7 +940,7 @@ int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr)
|
||||
/*
|
||||
* device multicast group del
|
||||
*/
|
||||
int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr)
|
||||
int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr)
|
||||
{
|
||||
struct ifmcaddr6 *ma, **map;
|
||||
|
||||
@ -967,7 +965,7 @@ int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr)
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
int ipv6_dev_mc_dec(struct net_device *dev, struct in6_addr *addr)
|
||||
int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr)
|
||||
{
|
||||
struct inet6_dev *idev = in6_dev_get(dev);
|
||||
int err;
|
||||
@ -1012,8 +1010,8 @@ int ipv6_is_mld(struct sk_buff *skb, int nexthdr)
|
||||
/*
|
||||
* check if the interface/address pair is valid
|
||||
*/
|
||||
int ipv6_chk_mcast_addr(struct net_device *dev, struct in6_addr *group,
|
||||
struct in6_addr *src_addr)
|
||||
int ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
|
||||
const struct in6_addr *src_addr)
|
||||
{
|
||||
struct inet6_dev *idev;
|
||||
struct ifmcaddr6 *mc;
|
||||
@ -1406,6 +1404,7 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
|
||||
struct sk_buff *skb;
|
||||
struct mld2_report *pmr;
|
||||
struct in6_addr addr_buf;
|
||||
const struct in6_addr *saddr;
|
||||
int err;
|
||||
u8 ra[8] = { IPPROTO_ICMPV6, 0,
|
||||
IPV6_TLV_ROUTERALERT, 2, 0, 0,
|
||||
@ -1424,10 +1423,11 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
|
||||
* use unspecified address as the source address
|
||||
* when a valid link-local address is not available.
|
||||
*/
|
||||
memset(&addr_buf, 0, sizeof(addr_buf));
|
||||
}
|
||||
saddr = &in6addr_any;
|
||||
} else
|
||||
saddr = &addr_buf;
|
||||
|
||||
ip6_nd_hdr(sk, skb, dev, &addr_buf, &mld2_all_mcr, NEXTHDR_HOP, 0);
|
||||
ip6_nd_hdr(sk, skb, dev, saddr, &mld2_all_mcr, NEXTHDR_HOP, 0);
|
||||
|
||||
memcpy(skb_put(skb, sizeof(ra)), ra, sizeof(ra));
|
||||
|
||||
@ -1768,10 +1768,9 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
|
||||
struct inet6_dev *idev;
|
||||
struct sk_buff *skb;
|
||||
struct icmp6hdr *hdr;
|
||||
struct in6_addr *snd_addr;
|
||||
const struct in6_addr *snd_addr, *saddr;
|
||||
struct in6_addr *addrp;
|
||||
struct in6_addr addr_buf;
|
||||
struct in6_addr all_routers;
|
||||
int err, len, payload_len, full_len;
|
||||
u8 ra[8] = { IPPROTO_ICMPV6, 0,
|
||||
IPV6_TLV_ROUTERALERT, 2, 0, 0,
|
||||
@ -1782,11 +1781,10 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
|
||||
IP6_INC_STATS(__in6_dev_get(dev),
|
||||
IPSTATS_MIB_OUTREQUESTS);
|
||||
rcu_read_unlock();
|
||||
snd_addr = addr;
|
||||
if (type == ICMPV6_MGM_REDUCTION) {
|
||||
snd_addr = &all_routers;
|
||||
ipv6_addr_all_routers(&all_routers);
|
||||
}
|
||||
if (type == ICMPV6_MGM_REDUCTION)
|
||||
snd_addr = &in6addr_linklocal_allrouters;
|
||||
else
|
||||
snd_addr = addr;
|
||||
|
||||
len = sizeof(struct icmp6hdr) + sizeof(struct in6_addr);
|
||||
payload_len = len + sizeof(ra);
|
||||
@ -1809,10 +1807,11 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
|
||||
* use unspecified address as the source address
|
||||
* when a valid link-local address is not available.
|
||||
*/
|
||||
memset(&addr_buf, 0, sizeof(addr_buf));
|
||||
}
|
||||
saddr = &in6addr_any;
|
||||
} else
|
||||
saddr = &addr_buf;
|
||||
|
||||
ip6_nd_hdr(sk, skb, dev, &addr_buf, snd_addr, NEXTHDR_HOP, payload_len);
|
||||
ip6_nd_hdr(sk, skb, dev, saddr, snd_addr, NEXTHDR_HOP, payload_len);
|
||||
|
||||
memcpy(skb_put(skb, sizeof(ra)), ra, sizeof(ra));
|
||||
|
||||
@ -1823,7 +1822,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
|
||||
addrp = (struct in6_addr *) skb_put(skb, sizeof(struct in6_addr));
|
||||
ipv6_addr_copy(addrp, addr);
|
||||
|
||||
hdr->icmp6_cksum = csum_ipv6_magic(&addr_buf, snd_addr, len,
|
||||
hdr->icmp6_cksum = csum_ipv6_magic(saddr, snd_addr, len,
|
||||
IPPROTO_ICMPV6,
|
||||
csum_partial((__u8 *) hdr, len, 0));
|
||||
|
||||
@ -2311,24 +2310,19 @@ void ipv6_mc_init_dev(struct inet6_dev *idev)
|
||||
void ipv6_mc_destroy_dev(struct inet6_dev *idev)
|
||||
{
|
||||
struct ifmcaddr6 *i;
|
||||
struct in6_addr maddr;
|
||||
|
||||
/* Deactivate timers */
|
||||
ipv6_mc_down(idev);
|
||||
|
||||
/* Delete all-nodes address. */
|
||||
ipv6_addr_all_nodes(&maddr);
|
||||
|
||||
/* We cannot call ipv6_dev_mc_dec() directly, our caller in
|
||||
* addrconf.c has NULL'd out dev->ip6_ptr so in6_dev_get() will
|
||||
* fail.
|
||||
*/
|
||||
__ipv6_dev_mc_dec(idev, &maddr);
|
||||
__ipv6_dev_mc_dec(idev, &in6addr_linklocal_allnodes);
|
||||
|
||||
if (idev->cnf.forwarding) {
|
||||
ipv6_addr_all_routers(&maddr);
|
||||
__ipv6_dev_mc_dec(idev, &maddr);
|
||||
}
|
||||
if (idev->cnf.forwarding)
|
||||
__ipv6_dev_mc_dec(idev, &in6addr_linklocal_allrouters);
|
||||
|
||||
write_lock_bh(&idev->lock);
|
||||
while ((i = idev->mc_list) != NULL) {
|
||||
|
||||
@ -44,9 +44,9 @@ static inline void *mip6_padn(__u8 *data, __u8 padlen)
|
||||
if (!data)
|
||||
return NULL;
|
||||
if (padlen == 1) {
|
||||
data[0] = MIP6_OPT_PAD_1;
|
||||
data[0] = IPV6_TLV_PAD0;
|
||||
} else if (padlen > 1) {
|
||||
data[0] = MIP6_OPT_PAD_N;
|
||||
data[0] = IPV6_TLV_PADN;
|
||||
data[1] = padlen - 2;
|
||||
if (padlen > 2)
|
||||
memset(data+2, 0, data[1]);
|
||||
|
||||
@ -442,8 +442,9 @@ static void pndisc_destructor(struct pneigh_entry *n)
|
||||
*/
|
||||
static void __ndisc_send(struct net_device *dev,
|
||||
struct neighbour *neigh,
|
||||
struct in6_addr *daddr, struct in6_addr *saddr,
|
||||
struct icmp6hdr *icmp6h, struct in6_addr *target,
|
||||
const struct in6_addr *daddr,
|
||||
const struct in6_addr *saddr,
|
||||
struct icmp6hdr *icmp6h, const struct in6_addr *target,
|
||||
int llinfo)
|
||||
{
|
||||
struct flowi fl;
|
||||
@ -529,12 +530,13 @@ static void __ndisc_send(struct net_device *dev,
|
||||
}
|
||||
|
||||
static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
|
||||
struct in6_addr *daddr, struct in6_addr *solicited_addr,
|
||||
int router, int solicited, int override, int inc_opt)
|
||||
const struct in6_addr *daddr,
|
||||
const struct in6_addr *solicited_addr,
|
||||
int router, int solicited, int override, int inc_opt)
|
||||
{
|
||||
struct in6_addr tmpaddr;
|
||||
struct inet6_ifaddr *ifp;
|
||||
struct in6_addr *src_addr;
|
||||
const struct in6_addr *src_addr;
|
||||
struct icmp6hdr icmp6h = {
|
||||
.icmp6_type = NDISC_NEIGHBOUR_ADVERTISEMENT,
|
||||
};
|
||||
@ -564,8 +566,8 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
|
||||
}
|
||||
|
||||
void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
|
||||
struct in6_addr *solicit,
|
||||
struct in6_addr *daddr, struct in6_addr *saddr)
|
||||
const struct in6_addr *solicit,
|
||||
const struct in6_addr *daddr, const struct in6_addr *saddr)
|
||||
{
|
||||
struct in6_addr addr_buf;
|
||||
struct icmp6hdr icmp6h = {
|
||||
@ -584,8 +586,8 @@ void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
|
||||
!ipv6_addr_any(saddr) ? ND_OPT_SOURCE_LL_ADDR : 0);
|
||||
}
|
||||
|
||||
void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr,
|
||||
struct in6_addr *daddr)
|
||||
void ndisc_send_rs(struct net_device *dev, const struct in6_addr *saddr,
|
||||
const struct in6_addr *daddr)
|
||||
{
|
||||
struct icmp6hdr icmp6h = {
|
||||
.icmp6_type = NDISC_ROUTER_SOLICITATION,
|
||||
@ -816,10 +818,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
|
||||
is_router = !!idev->cnf.forwarding;
|
||||
|
||||
if (dad) {
|
||||
struct in6_addr maddr;
|
||||
|
||||
ipv6_addr_all_nodes(&maddr);
|
||||
ndisc_send_na(dev, NULL, &maddr, &msg->target,
|
||||
ndisc_send_na(dev, NULL, &in6addr_linklocal_allnodes, &msg->target,
|
||||
is_router, 0, (ifp != NULL), 1);
|
||||
goto out;
|
||||
}
|
||||
@ -1447,7 +1446,7 @@ static void ndisc_redirect_rcv(struct sk_buff *skb)
|
||||
}
|
||||
|
||||
void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
|
||||
struct in6_addr *target)
|
||||
const struct in6_addr *target)
|
||||
{
|
||||
struct net_device *dev = skb->dev;
|
||||
struct net *net = dev_net(dev);
|
||||
|
||||
@ -357,8 +357,10 @@ void raw6_icmp_error(struct sk_buff *skb, int nexthdr,
|
||||
read_lock(&raw_v6_hashinfo.lock);
|
||||
sk = sk_head(&raw_v6_hashinfo.ht[hash]);
|
||||
if (sk != NULL) {
|
||||
saddr = &ipv6_hdr(skb)->saddr;
|
||||
daddr = &ipv6_hdr(skb)->daddr;
|
||||
/* Note: ipv6_hdr(skb) != skb->data */
|
||||
struct ipv6hdr *ip6h = (struct ipv6hdr *)skb->data;
|
||||
saddr = &ip6h->saddr;
|
||||
daddr = &ip6h->daddr;
|
||||
net = dev_net(skb->dev);
|
||||
|
||||
while ((sk = __raw_v6_lookup(net, sk, nexthdr, saddr, daddr,
|
||||
@ -805,15 +807,6 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
|
||||
fl.fl6_flowlabel = np->flow_label;
|
||||
}
|
||||
|
||||
if (ipv6_addr_any(daddr)) {
|
||||
/*
|
||||
* unspecified destination address
|
||||
* treated as error... is this correct ?
|
||||
*/
|
||||
fl6_sock_release(flowlabel);
|
||||
return(-EINVAL);
|
||||
}
|
||||
|
||||
if (fl.oif == 0)
|
||||
fl.oif = sk->sk_bound_dev_if;
|
||||
|
||||
@ -846,7 +839,10 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
|
||||
if (err)
|
||||
goto out;
|
||||
|
||||
ipv6_addr_copy(&fl.fl6_dst, daddr);
|
||||
if (!ipv6_addr_any(daddr))
|
||||
ipv6_addr_copy(&fl.fl6_dst, daddr);
|
||||
else
|
||||
fl.fl6_dst.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
|
||||
if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
|
||||
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
|
||||
|
||||
|
||||
@ -556,8 +556,8 @@ out:
|
||||
|
||||
}
|
||||
|
||||
struct rt6_info *rt6_lookup(struct net *net, struct in6_addr *daddr,
|
||||
struct in6_addr *saddr, int oif, int strict)
|
||||
struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr,
|
||||
const struct in6_addr *saddr, int oif, int strict)
|
||||
{
|
||||
struct flowi fl = {
|
||||
.oif = oif,
|
||||
@ -925,7 +925,7 @@ static DEFINE_SPINLOCK(icmp6_dst_lock);
|
||||
|
||||
struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
|
||||
struct neighbour *neigh,
|
||||
struct in6_addr *addr)
|
||||
const struct in6_addr *addr)
|
||||
{
|
||||
struct rt6_info *rt;
|
||||
struct inet6_dev *idev = in6_dev_get(dev);
|
||||
|
||||
@ -379,7 +379,7 @@ static void ipip6_tunnel_uninit(struct net_device *dev)
|
||||
dev_put(dev);
|
||||
} else {
|
||||
ipip6_tunnel_unlink(netdev_priv(dev));
|
||||
ipip6_tunnel_del_prl(netdev_priv(dev), 0);
|
||||
ipip6_tunnel_del_prl(netdev_priv(dev), NULL);
|
||||
dev_put(dev);
|
||||
}
|
||||
}
|
||||
|
||||
@ -543,7 +543,7 @@ static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
|
||||
return NULL;
|
||||
|
||||
for (i = 0; i < tp->md5sig_info->entries6; i++) {
|
||||
if (ipv6_addr_cmp(&tp->md5sig_info->keys6[i].addr, addr) == 0)
|
||||
if (ipv6_addr_equal(&tp->md5sig_info->keys6[i].addr, addr))
|
||||
return &tp->md5sig_info->keys6[i].base;
|
||||
}
|
||||
return NULL;
|
||||
@ -632,7 +632,7 @@ static int tcp_v6_md5_do_del(struct sock *sk, struct in6_addr *peer)
|
||||
int i;
|
||||
|
||||
for (i = 0; i < tp->md5sig_info->entries6; i++) {
|
||||
if (ipv6_addr_cmp(&tp->md5sig_info->keys6[i].addr, peer) == 0) {
|
||||
if (ipv6_addr_equal(&tp->md5sig_info->keys6[i].addr, peer)) {
|
||||
/* Free the key */
|
||||
kfree(tp->md5sig_info->keys6[i].base.key);
|
||||
tp->md5sig_info->entries6--;
|
||||
|
||||
@ -752,7 +752,10 @@ do_udp_sendmsg:
|
||||
opt = ipv6_fixup_options(&opt_space, opt);
|
||||
|
||||
fl.proto = sk->sk_protocol;
|
||||
ipv6_addr_copy(&fl.fl6_dst, daddr);
|
||||
if (!ipv6_addr_any(daddr))
|
||||
ipv6_addr_copy(&fl.fl6_dst, daddr);
|
||||
else
|
||||
fl.fl6_dst.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
|
||||
if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
|
||||
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
|
||||
fl.fl_ip_sport = inet->sport;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user