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Diffstat (limited to 'net/ipv6/udp.c')
-rw-r--r--net/ipv6/udp.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index d8e5e852fc7a..d4defdd44937 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -450,15 +450,16 @@ try_again:
sin6->sin6_family = AF_INET6;
sin6->sin6_port = udp_hdr(skb)->source;
sin6->sin6_flowinfo = 0;
- sin6->sin6_scope_id = 0;
- if (is_udp4)
+ if (is_udp4) {
ipv6_addr_set_v4mapped(ip_hdr(skb)->saddr,
&sin6->sin6_addr);
- else {
+ sin6->sin6_scope_id = 0;
+ } else {
sin6->sin6_addr = ipv6_hdr(skb)->saddr;
- if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL)
- sin6->sin6_scope_id = IP6CB(skb)->iif;
+ sin6->sin6_scope_id =
+ ipv6_iface_scope_id(&sin6->sin6_addr,
+ IP6CB(skb)->iif);
}
}
@@ -482,12 +483,17 @@ out:
csum_copy_err:
slow = lock_sock_fast(sk);
if (!skb_kill_datagram(sk, skb, flags)) {
- if (is_udp4)
+ if (is_udp4) {
+ UDP_INC_STATS_USER(sock_net(sk),
+ UDP_MIB_CSUMERRORS, is_udplite);
UDP_INC_STATS_USER(sock_net(sk),
UDP_MIB_INERRORS, is_udplite);
- else
+ } else {
+ UDP6_INC_STATS_USER(sock_net(sk),
+ UDP_MIB_CSUMERRORS, is_udplite);
UDP6_INC_STATS_USER(sock_net(sk),
UDP_MIB_INERRORS, is_udplite);
+ }
}
unlock_sock_fast(sk, slow);
@@ -636,7 +642,7 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
if (rcu_access_pointer(sk->sk_filter)) {
if (udp_lib_checksum_complete(skb))
- goto drop;
+ goto csum_error;
}
if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf))
@@ -655,6 +661,8 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
bh_unlock_sock(sk);
return rc;
+csum_error:
+ UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite);
drop:
UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
atomic_inc(&sk->sk_drops);
@@ -816,7 +824,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
}
if (udp6_csum_init(skb, uh, proto))
- goto discard;
+ goto csum_error;
/*
* Multicast receive code
@@ -849,7 +857,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
goto discard;
if (udp_lib_checksum_complete(skb))
- goto discard;
+ goto csum_error;
UDP6_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE);
icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
@@ -866,7 +874,9 @@ short_packet:
skb->len,
daddr,
ntohs(uh->dest));
-
+ goto discard;
+csum_error:
+ UDP6_INC_STATS_BH(net, UDP_MIB_CSUMERRORS, proto == IPPROTO_UDPLITE);
discard:
UDP6_INC_STATS_BH(net, UDP_MIB_INERRORS, proto == IPPROTO_UDPLITE);
kfree_skb(skb);
@@ -1118,7 +1128,7 @@ do_udp_sendmsg:
if (addr_len >= sizeof(struct sockaddr_in6) &&
sin6->sin6_scope_id &&
- ipv6_addr_type(daddr)&IPV6_ADDR_LINKLOCAL)
+ __ipv6_addr_needs_scope_id(__ipv6_addr_type(daddr)))
fl6.flowi6_oif = sin6->sin6_scope_id;
} else {
if (sk->sk_state != TCP_ESTABLISHED)