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Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/dccp.h1
-rw-r--r--net/dccp/input.c2
-rw-r--r--net/dccp/ipv4.c4
-rw-r--r--net/dccp/ipv6.c12
-rw-r--r--net/dccp/minisocks.c2
-rw-r--r--net/dccp/options.c32
-rw-r--r--net/dccp/output.c2
-rw-r--r--net/dccp/probe.c19
-rw-r--r--net/dccp/proto.c9
-rw-r--r--net/dccp/sysctl.c3
-rw-r--r--net/dccp/timer.c2
11 files changed, 27 insertions, 61 deletions
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 30948784dd5..c67816647cc 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -479,7 +479,6 @@ void dccp_feat_list_purge(struct list_head *fn_list);
int dccp_insert_options(struct sock *sk, struct sk_buff *skb);
int dccp_insert_options_rsk(struct dccp_request_sock *, struct sk_buff *);
-int dccp_insert_option_elapsed_time(struct sk_buff *skb, u32 elapsed);
u32 dccp_timestamp(void);
void dccp_timestamping_init(void);
int dccp_insert_option(struct sk_buff *skb, unsigned char option,
diff --git a/net/dccp/input.c b/net/dccp/input.c
index 14cdafad7a9..3c8ec7d4a34 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -28,7 +28,7 @@ static void dccp_enqueue_skb(struct sock *sk, struct sk_buff *skb)
__skb_pull(skb, dccp_hdr(skb)->dccph_doff * 4);
__skb_queue_tail(&sk->sk_receive_queue, skb);
skb_set_owner_r(skb, sk);
- sk->sk_data_ready(sk, 0);
+ sk->sk_data_ready(sk);
}
static void dccp_fin(struct sock *sk, struct sk_buff *skb)
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index d9f65fc66db..6ca645c4b48 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -75,7 +75,7 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
rt = ip_route_connect(fl4, nexthop, inet->inet_saddr,
RT_CONN_FLAGS(sk), sk->sk_bound_dev_if,
IPPROTO_DCCP,
- orig_sport, orig_dport, sk, true);
+ orig_sport, orig_dport, sk);
if (IS_ERR(rt))
return PTR_ERR(rt);
@@ -989,6 +989,7 @@ static const struct net_protocol dccp_v4_protocol = {
.err_handler = dccp_v4_err,
.no_policy = 1,
.netns_ok = 1,
+ .icmp_strict_tag_validation = 1,
};
static const struct proto_ops inet_dccp_ops = {
@@ -1023,7 +1024,6 @@ static struct inet_protosw dccp_v4_protosw = {
.protocol = IPPROTO_DCCP,
.prot = &dccp_v4_prot,
.ops = &inet_dccp_ops,
- .no_check = 0,
.flags = INET_PROTOSW_ICSK,
};
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 4ac71ff7c2e..4db3c2a1679 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -141,6 +141,9 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (type == ICMPV6_PKT_TOOBIG) {
struct dst_entry *dst = NULL;
+ if (!ip6_sk_accept_pmtu(sk))
+ goto out;
+
if (sock_owned_by_user(sk))
goto out;
if ((1 << sk->sk_state) & (DCCPF_LISTEN | DCCPF_CLOSED))
@@ -237,7 +240,7 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req)
final_p = fl6_update_dst(&fl6, np->opt, &final);
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
+ dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
dst = NULL;
@@ -301,7 +304,7 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
security_skb_classify_flow(rxskb, flowi6_to_flowi(&fl6));
/* sk = NULL, but it is safe for now. RST socket required. */
- dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL, false);
+ dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL);
if (!IS_ERR(dst)) {
skb_dst_set(skb, dst);
ip6_xmit(ctl_sk, skb, &fl6, NULL, 0);
@@ -512,7 +515,7 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
fl6.fl6_sport = htons(ireq->ir_num);
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
+ dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
if (IS_ERR(dst))
goto out;
}
@@ -851,7 +854,6 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
- usin->sin6_addr = flowlabel->dst;
fl6_sock_release(flowlabel);
}
}
@@ -932,7 +934,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
final_p = fl6_update_dst(&fl6, np->opt, &final);
- dst = ip6_dst_lookup_flow(sk, &fl6, final_p, true);
+ dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto failure;
diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index 9e2f78bc155..c69eb9c4fbb 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -237,7 +237,7 @@ int dccp_child_process(struct sock *parent, struct sock *child,
/* Wakeup parent, send SIGIO */
if (state == DCCP_RESPOND && child->sk_state != state)
- parent->sk_data_ready(parent, 0);
+ parent->sk_data_ready(parent);
} else {
/* Alas, it is possible again, because we do lookup
* in main socket hash table and lock on listening
diff --git a/net/dccp/options.c b/net/dccp/options.c
index a58e0b63405..9bce31886bd 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -343,38 +343,6 @@ static inline int dccp_elapsed_time_len(const u32 elapsed_time)
return elapsed_time == 0 ? 0 : elapsed_time <= 0xFFFF ? 2 : 4;
}
-/* FIXME: This function is currently not used anywhere */
-int dccp_insert_option_elapsed_time(struct sk_buff *skb, u32 elapsed_time)
-{
- const int elapsed_time_len = dccp_elapsed_time_len(elapsed_time);
- const int len = 2 + elapsed_time_len;
- unsigned char *to;
-
- if (elapsed_time_len == 0)
- return 0;
-
- if (DCCP_SKB_CB(skb)->dccpd_opt_len + len > DCCP_MAX_OPT_LEN)
- return -1;
-
- DCCP_SKB_CB(skb)->dccpd_opt_len += len;
-
- to = skb_push(skb, len);
- *to++ = DCCPO_ELAPSED_TIME;
- *to++ = len;
-
- if (elapsed_time_len == 2) {
- const __be16 var16 = htons((u16)elapsed_time);
- memcpy(to, &var16, 2);
- } else {
- const __be32 var32 = htonl(elapsed_time);
- memcpy(to, &var32, 4);
- }
-
- return 0;
-}
-
-EXPORT_SYMBOL_GPL(dccp_insert_option_elapsed_time);
-
static int dccp_insert_option_timestamp(struct sk_buff *skb)
{
__be32 now = htonl(dccp_timestamp());
diff --git a/net/dccp/output.c b/net/dccp/output.c
index 8876078859d..0248e8a3460 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -138,7 +138,7 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
DCCP_INC_STATS(DCCP_MIB_OUTSEGS);
- err = icsk->icsk_af_ops->queue_xmit(skb, &inet->cork.fl);
+ err = icsk->icsk_af_ops->queue_xmit(sk, skb, &inet->cork.fl);
return net_xmit_eval(err);
}
return -ENOBUFS;
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index 4c6bdf97a65..595ddf0459d 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -152,17 +152,6 @@ static const struct file_operations dccpprobe_fops = {
.llseek = noop_llseek,
};
-static __init int setup_jprobe(void)
-{
- int ret = register_jprobe(&dccp_send_probe);
-
- if (ret) {
- request_module("dccp");
- ret = register_jprobe(&dccp_send_probe);
- }
- return ret;
-}
-
static __init int dccpprobe_init(void)
{
int ret = -ENOMEM;
@@ -174,7 +163,13 @@ static __init int dccpprobe_init(void)
if (!proc_create(procname, S_IRUSR, init_net.proc_net, &dccpprobe_fops))
goto err0;
- ret = setup_jprobe();
+ ret = register_jprobe(&dccp_send_probe);
+ if (ret) {
+ ret = request_module("dccp");
+ if (!ret)
+ ret = register_jprobe(&dccp_send_probe);
+ }
+
if (ret)
goto err1;
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index eb892b4f481..de2c1e71930 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -1084,14 +1084,15 @@ EXPORT_SYMBOL_GPL(dccp_shutdown);
static inline int dccp_mib_init(void)
{
- return snmp_mib_init((void __percpu **)dccp_statistics,
- sizeof(struct dccp_mib),
- __alignof__(struct dccp_mib));
+ dccp_statistics = alloc_percpu(struct dccp_mib);
+ if (!dccp_statistics)
+ return -ENOMEM;
+ return 0;
}
static inline void dccp_mib_exit(void)
{
- snmp_mib_free((void __percpu **)dccp_statistics);
+ free_percpu(dccp_statistics);
}
static int thash_entries;
diff --git a/net/dccp/sysctl.c b/net/dccp/sysctl.c
index 607ab71b5a0..53731e45403 100644
--- a/net/dccp/sysctl.c
+++ b/net/dccp/sysctl.c
@@ -20,6 +20,7 @@
/* Boundary values */
static int zero = 0,
+ one = 1,
u8_max = 0xFF;
static unsigned long seqw_min = DCCPF_SEQ_WMIN,
seqw_max = 0xFFFFFFFF; /* maximum on 32 bit */
@@ -58,7 +59,7 @@ static struct ctl_table dccp_default_table[] = {
.maxlen = sizeof(sysctl_dccp_request_retries),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
+ .extra1 = &one,
.extra2 = &u8_max,
},
{
diff --git a/net/dccp/timer.c b/net/dccp/timer.c
index 16f0b223102..1cd46a345cb 100644
--- a/net/dccp/timer.c
+++ b/net/dccp/timer.c
@@ -280,7 +280,7 @@ static ktime_t dccp_timestamp_seed;
*/
u32 dccp_timestamp(void)
{
- s64 delta = ktime_us_delta(ktime_get_real(), dccp_timestamp_seed);
+ u64 delta = (u64)ktime_us_delta(ktime_get_real(), dccp_timestamp_seed);
do_div(delta, 10);
return delta;