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Diffstat (limited to 'net/ipv6/udp.c')
-rw-r--r--net/ipv6/udp.c129
1 files changed, 64 insertions, 65 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 8d8b2cd8ec5b..aca06094110f 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -423,24 +423,22 @@ try_again:
if (!peeked) {
atomic_inc(&sk->sk_drops);
if (is_udp4)
- UDP_INC_STATS_USER(sock_net(sk),
- UDP_MIB_INERRORS,
- is_udplite);
+ UDP_INC_STATS(sock_net(sk), UDP_MIB_INERRORS,
+ is_udplite);
else
- UDP6_INC_STATS_USER(sock_net(sk),
- UDP_MIB_INERRORS,
- is_udplite);
+ UDP6_INC_STATS(sock_net(sk), UDP_MIB_INERRORS,
+ is_udplite);
}
skb_free_datagram_locked(sk, skb);
return err;
}
if (!peeked) {
if (is_udp4)
- UDP_INC_STATS_USER(sock_net(sk),
- UDP_MIB_INDATAGRAMS, is_udplite);
+ UDP_INC_STATS(sock_net(sk), UDP_MIB_INDATAGRAMS,
+ is_udplite);
else
- UDP6_INC_STATS_USER(sock_net(sk),
- UDP_MIB_INDATAGRAMS, is_udplite);
+ UDP6_INC_STATS(sock_net(sk), UDP_MIB_INDATAGRAMS,
+ is_udplite);
}
sock_recv_ts_and_drops(msg, sk, skb);
@@ -487,15 +485,15 @@ csum_copy_err:
slow = lock_sock_fast(sk);
if (!skb_kill_datagram(sk, skb, flags)) {
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);
+ UDP_INC_STATS(sock_net(sk),
+ UDP_MIB_CSUMERRORS, is_udplite);
+ UDP_INC_STATS(sock_net(sk),
+ UDP_MIB_INERRORS, is_udplite);
} 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);
+ UDP6_INC_STATS(sock_net(sk),
+ UDP_MIB_CSUMERRORS, is_udplite);
+ UDP6_INC_STATS(sock_net(sk),
+ UDP_MIB_INERRORS, is_udplite);
}
}
unlock_sock_fast(sk, slow);
@@ -523,8 +521,8 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
sk = __udp6_lib_lookup(net, daddr, uh->dest, saddr, uh->source,
inet6_iif(skb), udptable, skb);
if (!sk) {
- ICMP6_INC_STATS_BH(net, __in6_dev_get(skb->dev),
- ICMP6_MIB_INERRORS);
+ __ICMP6_INC_STATS(net, __in6_dev_get(skb->dev),
+ ICMP6_MIB_INERRORS);
return;
}
@@ -572,9 +570,9 @@ static int __udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
/* Note that an ENOMEM error is charged twice */
if (rc == -ENOMEM)
- UDP6_INC_STATS_BH(sock_net(sk),
- UDP_MIB_RCVBUFERRORS, is_udplite);
- UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
+ UDP6_INC_STATS(sock_net(sk),
+ UDP_MIB_RCVBUFERRORS, is_udplite);
+ UDP6_INC_STATS(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
kfree_skb(skb);
return -1;
}
@@ -630,9 +628,9 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
ret = encap_rcv(sk, skb);
if (ret <= 0) {
- UDP_INC_STATS_BH(sock_net(sk),
- UDP_MIB_INDATAGRAMS,
- is_udplite);
+ __UDP_INC_STATS(sock_net(sk),
+ UDP_MIB_INDATAGRAMS,
+ is_udplite);
return -ret;
}
}
@@ -666,8 +664,8 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
udp_csum_pull_header(skb);
if (sk_rcvqueues_full(sk, sk->sk_rcvbuf)) {
- UDP6_INC_STATS_BH(sock_net(sk),
- UDP_MIB_RCVBUFERRORS, is_udplite);
+ __UDP6_INC_STATS(sock_net(sk),
+ UDP_MIB_RCVBUFERRORS, is_udplite);
goto drop;
}
@@ -686,9 +684,9 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
return rc;
csum_error:
- UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite);
+ __UDP6_INC_STATS(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite);
drop:
- UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
+ __UDP6_INC_STATS(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
atomic_inc(&sk->sk_drops);
kfree_skb(skb);
return -1;
@@ -771,10 +769,10 @@ start_lookup:
nskb = skb_clone(skb, GFP_ATOMIC);
if (unlikely(!nskb)) {
atomic_inc(&sk->sk_drops);
- UDP6_INC_STATS_BH(net, UDP_MIB_RCVBUFERRORS,
- IS_UDPLITE(sk));
- UDP6_INC_STATS_BH(net, UDP_MIB_INERRORS,
- IS_UDPLITE(sk));
+ __UDP6_INC_STATS(net, UDP_MIB_RCVBUFERRORS,
+ IS_UDPLITE(sk));
+ __UDP6_INC_STATS(net, UDP_MIB_INERRORS,
+ IS_UDPLITE(sk));
continue;
}
@@ -793,8 +791,8 @@ start_lookup:
consume_skb(skb);
} else {
kfree_skb(skb);
- UDP6_INC_STATS_BH(net, UDP_MIB_IGNOREDMULTI,
- proto == IPPROTO_UDPLITE);
+ __UDP6_INC_STATS(net, UDP_MIB_IGNOREDMULTI,
+ proto == IPPROTO_UDPLITE);
}
return 0;
}
@@ -887,7 +885,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
if (udp_lib_checksum_complete(skb))
goto csum_error;
- UDP6_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE);
+ __UDP6_INC_STATS(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE);
icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
kfree_skb(skb);
@@ -901,9 +899,9 @@ short_packet:
daddr, ntohs(uh->dest));
goto discard;
csum_error:
- UDP6_INC_STATS_BH(net, UDP_MIB_CSUMERRORS, proto == IPPROTO_UDPLITE);
+ __UDP6_INC_STATS(net, UDP_MIB_CSUMERRORS, proto == IPPROTO_UDPLITE);
discard:
- UDP6_INC_STATS_BH(net, UDP_MIB_INERRORS, proto == IPPROTO_UDPLITE);
+ __UDP6_INC_STATS(net, UDP_MIB_INERRORS, proto == IPPROTO_UDPLITE);
kfree_skb(skb);
return 0;
}
@@ -1015,13 +1013,14 @@ send:
err = ip6_send_skb(skb);
if (err) {
if (err == -ENOBUFS && !inet6_sk(sk)->recverr) {
- UDP6_INC_STATS_USER(sock_net(sk),
- UDP_MIB_SNDBUFERRORS, is_udplite);
+ UDP6_INC_STATS(sock_net(sk),
+ UDP_MIB_SNDBUFERRORS, is_udplite);
err = 0;
}
- } else
- UDP6_INC_STATS_USER(sock_net(sk),
- UDP_MIB_OUTDATAGRAMS, is_udplite);
+ } else {
+ UDP6_INC_STATS(sock_net(sk),
+ UDP_MIB_OUTDATAGRAMS, is_udplite);
+ }
return err;
}
@@ -1065,11 +1064,9 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
struct ip6_flowlabel *flowlabel = NULL;
struct flowi6 fl6;
struct dst_entry *dst;
+ struct ipcm6_cookie ipc6;
int addr_len = msg->msg_namelen;
int ulen = len;
- int hlimit = -1;
- int tclass = -1;
- int dontfrag = -1;
int corkreq = up->corkflag || msg->msg_flags&MSG_MORE;
int err;
int connected = 0;
@@ -1077,6 +1074,10 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
int (*getfrag)(void *, char *, int, int, int, struct sk_buff *);
struct sockcm_cookie sockc;
+ ipc6.hlimit = -1;
+ ipc6.tclass = -1;
+ ipc6.dontfrag = -1;
+
/* destination address check */
if (sin6) {
if (addr_len < offsetof(struct sockaddr, sa_data))
@@ -1201,10 +1202,9 @@ do_udp_sendmsg:
opt = &opt_space;
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(*opt);
+ ipc6.opt = opt;
- err = ip6_datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt,
- &hlimit, &tclass, &dontfrag,
- &sockc);
+ err = ip6_datagram_send_ctl(sock_net(sk), sk, msg, &fl6, &ipc6, &sockc);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
@@ -1225,6 +1225,7 @@ do_udp_sendmsg:
if (flowlabel)
opt = fl6_merge_options(&opt_space, flowlabel, opt);
opt = ipv6_fixup_options(&opt_space, opt);
+ ipc6.opt = opt;
fl6.flowi6_proto = sk->sk_protocol;
if (!ipv6_addr_any(daddr))
@@ -1254,11 +1255,11 @@ do_udp_sendmsg:
goto out;
}
- if (hlimit < 0)
- hlimit = ip6_sk_dst_hoplimit(np, &fl6, dst);
+ if (ipc6.hlimit < 0)
+ ipc6.hlimit = ip6_sk_dst_hoplimit(np, &fl6, dst);
- if (tclass < 0)
- tclass = np->tclass;
+ if (ipc6.tclass < 0)
+ ipc6.tclass = np->tclass;
if (msg->msg_flags&MSG_CONFIRM)
goto do_confirm;
@@ -1269,9 +1270,9 @@ back_from_confirm:
struct sk_buff *skb;
skb = ip6_make_skb(sk, getfrag, msg, ulen,
- sizeof(struct udphdr), hlimit, tclass, opt,
+ sizeof(struct udphdr), &ipc6,
&fl6, (struct rt6_info *)dst,
- msg->msg_flags, dontfrag, &sockc);
+ msg->msg_flags, &sockc);
err = PTR_ERR(skb);
if (!IS_ERR_OR_NULL(skb))
err = udp_v6_send_skb(skb, &fl6);
@@ -1292,14 +1293,12 @@ back_from_confirm:
up->pending = AF_INET6;
do_append_data:
- if (dontfrag < 0)
- dontfrag = np->dontfrag;
+ if (ipc6.dontfrag < 0)
+ ipc6.dontfrag = np->dontfrag;
up->len += ulen;
- err = ip6_append_data(sk, getfrag, msg, ulen,
- sizeof(struct udphdr), hlimit, tclass, opt, &fl6,
- (struct rt6_info *)dst,
- corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags, dontfrag,
- &sockc);
+ err = ip6_append_data(sk, getfrag, msg, ulen, sizeof(struct udphdr),
+ &ipc6, &fl6, (struct rt6_info *)dst,
+ corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags, &sockc);
if (err)
udp_v6_flush_pending_frames(sk);
else if (!corkreq)
@@ -1342,8 +1341,8 @@ out:
* seems like overkill.
*/
if (err == -ENOBUFS || test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) {
- UDP6_INC_STATS_USER(sock_net(sk),
- UDP_MIB_SNDBUFERRORS, is_udplite);
+ UDP6_INC_STATS(sock_net(sk),
+ UDP_MIB_SNDBUFERRORS, is_udplite);
}
return err;
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