diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-17 02:29:25 +0300 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-17 02:29:25 +0300 |
commit | 7a6362800cb7d1d618a697a650c7aaed3eb39320 (patch) | |
tree | 087f9bc6c13ef1fad4b392c5cf9325cd28fa8523 /net/ipv6/raw.c | |
parent | 6445ced8670f37cfc2c5e24a9de9b413dbfc788d (diff) | |
parent | ceda86a108671294052cbf51660097b6534672f5 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1480 commits)
bonding: enable netpoll without checking link status
xfrm: Refcount destination entry on xfrm_lookup
net: introduce rx_handler results and logic around that
bonding: get rid of IFF_SLAVE_INACTIVE netdev->priv_flag
bonding: wrap slave state work
net: get rid of multiple bond-related netdevice->priv_flags
bonding: register slave pointer for rx_handler
be2net: Bump up the version number
be2net: Copyright notice change. Update to Emulex instead of ServerEngines
e1000e: fix kconfig for crc32 dependency
netfilter ebtables: fix xt_AUDIT to work with ebtables
xen network backend driver
bonding: Improve syslog message at device creation time
bonding: Call netif_carrier_off after register_netdevice
bonding: Incorrect TX queue offset
net_sched: fix ip_tos2prio
xfrm: fix __xfrm_route_forward()
be2net: Fix UDP packet detected status in RX compl
Phonet: fix aligned-mode pipe socket buffer header reserve
netxen: support for GbE port settings
...
Fix up conflicts in drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
with the staging updates.
Diffstat (limited to 'net/ipv6/raw.c')
-rw-r--r-- | net/ipv6/raw.c | 106 |
1 files changed, 48 insertions, 58 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index c5b0915d106b..4a1c3b46c56b 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -124,18 +124,18 @@ static __inline__ int icmpv6_filter(struct sock *sk, struct sk_buff *skb) } #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) -static int (*mh_filter)(struct sock *sock, struct sk_buff *skb); +typedef int mh_filter_t(struct sock *sock, struct sk_buff *skb); -int rawv6_mh_filter_register(int (*filter)(struct sock *sock, - struct sk_buff *skb)) +static mh_filter_t __rcu *mh_filter __read_mostly; + +int rawv6_mh_filter_register(mh_filter_t filter) { rcu_assign_pointer(mh_filter, filter); return 0; } EXPORT_SYMBOL(rawv6_mh_filter_register); -int rawv6_mh_filter_unregister(int (*filter)(struct sock *sock, - struct sk_buff *skb)) +int rawv6_mh_filter_unregister(mh_filter_t filter) { rcu_assign_pointer(mh_filter, NULL); synchronize_rcu(); @@ -193,10 +193,10 @@ static int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr) * policy is placed in rawv6_rcv() because it is * required for each socket. */ - int (*filter)(struct sock *sock, struct sk_buff *skb); + mh_filter_t *filter; filter = rcu_dereference(mh_filter); - filtered = filter ? filter(sk, skb) : 0; + filtered = filter ? (*filter)(sk, skb) : 0; break; } #endif @@ -524,7 +524,7 @@ csum_copy_err: goto out; } -static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl, +static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6, struct raw6_sock *rp) { struct sk_buff *skb; @@ -586,11 +586,10 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl, if (unlikely(csum)) tmp_csum = csum_sub(tmp_csum, csum_unfold(csum)); - csum = csum_ipv6_magic(&fl->fl6_src, - &fl->fl6_dst, - total_len, fl->proto, tmp_csum); + csum = csum_ipv6_magic(&fl6->saddr, &fl6->daddr, + total_len, fl6->flowi6_proto, tmp_csum); - if (csum == 0 && fl->proto == IPPROTO_UDP) + if (csum == 0 && fl6->flowi6_proto == IPPROTO_UDP) csum = CSUM_MANGLED_0; if (skb_store_bits(skb, offset, &csum, 2)) @@ -603,7 +602,7 @@ out: } static int rawv6_send_hdrinc(struct sock *sk, void *from, int length, - struct flowi *fl, struct dst_entry **dstp, + struct flowi6 *fl6, struct dst_entry **dstp, unsigned int flags) { struct ipv6_pinfo *np = inet6_sk(sk); @@ -613,7 +612,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length, struct rt6_info *rt = (struct rt6_info *)*dstp; if (length > rt->dst.dev->mtu) { - ipv6_local_error(sk, EMSGSIZE, fl, rt->dst.dev->mtu); + ipv6_local_error(sk, EMSGSIZE, fl6, rt->dst.dev->mtu); return -EMSGSIZE; } if (flags&MSG_PROBE) @@ -662,7 +661,7 @@ error: return err; } -static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) +static int rawv6_probe_proto_opt(struct flowi6 *fl6, struct msghdr *msg) { struct iovec *iov; u8 __user *type = NULL; @@ -679,7 +678,7 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) if (!iov) continue; - switch (fl->proto) { + switch (fl6->flowi6_proto) { case IPPROTO_ICMPV6: /* check if one-byte field is readable or not. */ if (iov->iov_base && iov->iov_len < 1) @@ -694,8 +693,8 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) code = iov->iov_base; if (type && code) { - if (get_user(fl->fl_icmp_type, type) || - get_user(fl->fl_icmp_code, code)) + if (get_user(fl6->fl6_icmp_type, type) || + get_user(fl6->fl6_icmp_code, code)) return -EFAULT; probed = 1; } @@ -706,7 +705,7 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) /* check if type field is readable or not. */ if (iov->iov_len > 2 - len) { u8 __user *p = iov->iov_base; - if (get_user(fl->fl_mh_type, &p[2 - len])) + if (get_user(fl6->fl6_mh_type, &p[2 - len])) return -EFAULT; probed = 1; } else @@ -735,7 +734,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct ipv6_txoptions *opt = NULL; struct ip6_flowlabel *flowlabel = NULL; struct dst_entry *dst = NULL; - struct flowi fl; + struct flowi6 fl6; int addr_len = msg->msg_namelen; int hlimit = -1; int tclass = -1; @@ -756,9 +755,9 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, /* * Get and verify the address. */ - memset(&fl, 0, sizeof(fl)); + memset(&fl6, 0, sizeof(fl6)); - fl.mark = sk->sk_mark; + fl6.flowi6_mark = sk->sk_mark; if (sin6) { if (addr_len < SIN6_LEN_RFC2133) @@ -780,9 +779,9 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, daddr = &sin6->sin6_addr; if (np->sndflow) { - fl.fl6_flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK; - if (fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) { - flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel); + fl6.flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK; + if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) { + flowlabel = fl6_sock_lookup(sk, fl6.flowlabel); if (flowlabel == NULL) return -EINVAL; daddr = &flowlabel->dst; @@ -800,32 +799,32 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, if (addr_len >= sizeof(struct sockaddr_in6) && sin6->sin6_scope_id && ipv6_addr_type(daddr)&IPV6_ADDR_LINKLOCAL) - fl.oif = sin6->sin6_scope_id; + fl6.flowi6_oif = sin6->sin6_scope_id; } else { if (sk->sk_state != TCP_ESTABLISHED) return -EDESTADDRREQ; proto = inet->inet_num; daddr = &np->daddr; - fl.fl6_flowlabel = np->flow_label; + fl6.flowlabel = np->flow_label; } - if (fl.oif == 0) - fl.oif = sk->sk_bound_dev_if; + if (fl6.flowi6_oif == 0) + fl6.flowi6_oif = sk->sk_bound_dev_if; if (msg->msg_controllen) { opt = &opt_space; memset(opt, 0, sizeof(struct ipv6_txoptions)); opt->tot_len = sizeof(struct ipv6_txoptions); - err = datagram_send_ctl(sock_net(sk), msg, &fl, opt, &hlimit, + err = datagram_send_ctl(sock_net(sk), msg, &fl6, opt, &hlimit, &tclass, &dontfrag); if (err < 0) { fl6_sock_release(flowlabel); return err; } - if ((fl.fl6_flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) { - flowlabel = fl6_sock_lookup(sk, fl.fl6_flowlabel); + if ((fl6.flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) { + flowlabel = fl6_sock_lookup(sk, fl6.flowlabel); if (flowlabel == NULL) return -EINVAL; } @@ -838,40 +837,31 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, opt = fl6_merge_options(&opt_space, flowlabel, opt); opt = ipv6_fixup_options(&opt_space, opt); - fl.proto = proto; - err = rawv6_probe_proto_opt(&fl, msg); + fl6.flowi6_proto = proto; + err = rawv6_probe_proto_opt(&fl6, msg); if (err) goto out; if (!ipv6_addr_any(daddr)) - ipv6_addr_copy(&fl.fl6_dst, daddr); + ipv6_addr_copy(&fl6.daddr, 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); + fl6.daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */ + if (ipv6_addr_any(&fl6.saddr) && !ipv6_addr_any(&np->saddr)) + ipv6_addr_copy(&fl6.saddr, &np->saddr); - final_p = fl6_update_dst(&fl, opt, &final); + final_p = fl6_update_dst(&fl6, opt, &final); - if (!fl.oif && ipv6_addr_is_multicast(&fl.fl6_dst)) - fl.oif = np->mcast_oif; - security_sk_classify_flow(sk, &fl); + if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr)) + fl6.flowi6_oif = np->mcast_oif; + security_sk_classify_flow(sk, flowi6_to_flowi(&fl6)); - err = ip6_dst_lookup(sk, &dst, &fl); - if (err) + dst = ip6_dst_lookup_flow(sk, &fl6, final_p, true); + if (IS_ERR(dst)) { + err = PTR_ERR(dst); goto out; - if (final_p) - ipv6_addr_copy(&fl.fl6_dst, final_p); - - err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT); - if (err < 0) { - if (err == -EREMOTE) - err = ip6_dst_blackhole(sk, &dst, &fl); - if (err < 0) - goto out; } - if (hlimit < 0) { - if (ipv6_addr_is_multicast(&fl.fl6_dst)) + if (ipv6_addr_is_multicast(&fl6.daddr)) hlimit = np->mcast_hops; else hlimit = np->hop_limit; @@ -890,17 +880,17 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, back_from_confirm: if (inet->hdrincl) - err = rawv6_send_hdrinc(sk, msg->msg_iov, len, &fl, &dst, msg->msg_flags); + err = rawv6_send_hdrinc(sk, msg->msg_iov, len, &fl6, &dst, msg->msg_flags); else { lock_sock(sk); err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov, - len, 0, hlimit, tclass, opt, &fl, (struct rt6_info*)dst, + len, 0, hlimit, tclass, opt, &fl6, (struct rt6_info*)dst, msg->msg_flags, dontfrag); if (err) ip6_flush_pending_frames(sk); else if (!(msg->msg_flags & MSG_MORE)) - err = rawv6_push_pending_frames(sk, &fl, rp); + err = rawv6_push_pending_frames(sk, &fl6, rp); release_sock(sk); } done: |