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-rw-r--r--net/ipv4/af_inet.c1
-rw-r--r--net/ipv4/ip_input.c10
-rw-r--r--net/ipv4/ipmr.c9
-rw-r--r--net/ipv4/proc.c58
-rw-r--r--net/ipv4/tcp_htcp.c14
-rw-r--r--net/ipv4/tcp_output.c15
-rw-r--r--net/ipv4/tcp_vegas.c2
-rw-r--r--net/ipv4/udp.c1
8 files changed, 66 insertions, 44 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 1fbff5fa4241..1aa2dc9e380e 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1117,6 +1117,7 @@ int inet_sk_rebuild_header(struct sock *sk)
},
},
.proto = sk->sk_protocol,
+ .flags = inet_sk_flowi_flags(sk),
.uli_u = {
.ports = {
.sport = inet->sport,
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 861978a4f1a8..cfb38ac9d698 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -209,9 +209,17 @@ static int ip_local_deliver_finish(struct sk_buff *skb)
hash = protocol & (MAX_INET_PROTOS - 1);
ipprot = rcu_dereference(inet_protos[hash]);
- if (ipprot != NULL && (net == &init_net || ipprot->netns_ok)) {
+ if (ipprot != NULL) {
int ret;
+ if (!net_eq(net, &init_net) && !ipprot->netns_ok) {
+ if (net_ratelimit())
+ printk("%s: proto %d isn't netns-ready\n",
+ __func__, protocol);
+ kfree_skb(skb);
+ goto out;
+ }
+
if (!ipprot->no_policy) {
if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) {
kfree_skb(skb);
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index b42e082cc170..25924b1eb2ef 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1945,13 +1945,14 @@ int __init ip_mr_init(void)
goto proc_cache_fail;
#endif
return 0;
-reg_notif_fail:
- kmem_cache_destroy(mrt_cachep);
#ifdef CONFIG_PROC_FS
-proc_vif_fail:
- unregister_netdevice_notifier(&ip_mr_notifier);
proc_cache_fail:
proc_net_remove(&init_net, "ip_mr_vif");
+proc_vif_fail:
+ unregister_netdevice_notifier(&ip_mr_notifier);
#endif
+reg_notif_fail:
+ del_timer(&ipmr_expire_timer);
+ kmem_cache_destroy(mrt_cachep);
return err;
}
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 8f5a403f6f6b..a631a1f110ca 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -237,43 +237,45 @@ static const struct snmp_mib snmp4_net_list[] = {
SNMP_MIB_SENTINEL
};
+static void icmpmsg_put_line(struct seq_file *seq, unsigned long *vals,
+ unsigned short *type, int count)
+{
+ int j;
+
+ if (count) {
+ seq_printf(seq, "\nIcmpMsg:");
+ for (j = 0; j < count; ++j)
+ seq_printf(seq, " %sType%u",
+ type[j] & 0x100 ? "Out" : "In",
+ type[j] & 0xff);
+ seq_printf(seq, "\nIcmpMsg:");
+ for (j = 0; j < count; ++j)
+ seq_printf(seq, " %lu", vals[j]);
+ }
+}
+
static void icmpmsg_put(struct seq_file *seq)
{
#define PERLINE 16
- int j, i, count;
- static int out[PERLINE];
+ int i, count;
+ unsigned short type[PERLINE];
+ unsigned long vals[PERLINE], val;
struct net *net = seq->private;
count = 0;
for (i = 0; i < ICMPMSG_MIB_MAX; i++) {
-
- if (snmp_fold_field((void **) net->mib.icmpmsg_statistics, i))
- out[count++] = i;
- if (count < PERLINE)
- continue;
-
- seq_printf(seq, "\nIcmpMsg:");
- for (j = 0; j < PERLINE; ++j)
- seq_printf(seq, " %sType%u", i & 0x100 ? "Out" : "In",
- i & 0xff);
- seq_printf(seq, "\nIcmpMsg: ");
- for (j = 0; j < PERLINE; ++j)
- seq_printf(seq, " %lu",
- snmp_fold_field((void **) net->mib.icmpmsg_statistics,
- out[j]));
- seq_putc(seq, '\n');
- }
- if (count) {
- seq_printf(seq, "\nIcmpMsg:");
- for (j = 0; j < count; ++j)
- seq_printf(seq, " %sType%u", out[j] & 0x100 ? "Out" :
- "In", out[j] & 0xff);
- seq_printf(seq, "\nIcmpMsg:");
- for (j = 0; j < count; ++j)
- seq_printf(seq, " %lu", snmp_fold_field((void **)
- net->mib.icmpmsg_statistics, out[j]));
+ val = snmp_fold_field((void **) net->mib.icmpmsg_statistics, i);
+ if (val) {
+ type[count] = i;
+ vals[count++] = val;
+ }
+ if (count == PERLINE) {
+ icmpmsg_put_line(seq, vals, type, count);
+ count = 0;
+ }
}
+ icmpmsg_put_line(seq, vals, type, count);
#undef PERLINE
}
diff --git a/net/ipv4/tcp_htcp.c b/net/ipv4/tcp_htcp.c
index af99776146ff..937549b8a921 100644
--- a/net/ipv4/tcp_htcp.c
+++ b/net/ipv4/tcp_htcp.c
@@ -69,9 +69,12 @@ static u32 htcp_cwnd_undo(struct sock *sk)
const struct tcp_sock *tp = tcp_sk(sk);
struct htcp *ca = inet_csk_ca(sk);
- ca->last_cong = ca->undo_last_cong;
- ca->maxRTT = ca->undo_maxRTT;
- ca->old_maxB = ca->undo_old_maxB;
+ if (ca->undo_last_cong) {
+ ca->last_cong = ca->undo_last_cong;
+ ca->maxRTT = ca->undo_maxRTT;
+ ca->old_maxB = ca->undo_old_maxB;
+ ca->undo_last_cong = 0;
+ }
return max(tp->snd_cwnd, (tp->snd_ssthresh << 7) / ca->beta);
}
@@ -268,7 +271,10 @@ static void htcp_state(struct sock *sk, u8 new_state)
case TCP_CA_Open:
{
struct htcp *ca = inet_csk_ca(sk);
- ca->last_cong = jiffies;
+ if (ca->undo_last_cong) {
+ ca->last_cong = jiffies;
+ ca->undo_last_cong = 0;
+ }
}
break;
case TCP_CA_CWR:
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index ba85d8831893..fe3b4bdfd251 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1028,10 +1028,6 @@ unsigned int tcp_sync_mss(struct sock *sk, u32 pmtu)
/* Compute the current effective MSS, taking SACKs and IP options,
* and even PMTU discovery events into account.
- *
- * LARGESEND note: !tcp_urg_mode is overkill, only frames up to snd_up
- * cannot be large. However, taking into account rare use of URG, this
- * is not a big flaw.
*/
unsigned int tcp_current_mss(struct sock *sk, int large_allowed)
{
@@ -1046,7 +1042,7 @@ unsigned int tcp_current_mss(struct sock *sk, int large_allowed)
mss_now = tp->mss_cache;
- if (large_allowed && sk_can_gso(sk) && !tcp_urg_mode(tp))
+ if (large_allowed && sk_can_gso(sk))
doing_tso = 1;
if (dst) {
@@ -1516,6 +1512,10 @@ static int tcp_mtu_probe(struct sock *sk)
* send_head. This happens as incoming acks open up the remote
* window for us.
*
+ * LARGESEND note: !tcp_urg_mode is overkill, only frames between
+ * snd_up-64k-mss .. snd_up cannot be large. However, taking into
+ * account rare use of URG, this is not a big flaw.
+ *
* Returns 1, if no segments are in flight and we have queued segments, but
* cannot send anything now because of SWS or another problem.
*/
@@ -1567,7 +1567,7 @@ static int tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle)
}
limit = mss_now;
- if (tso_segs > 1)
+ if (tso_segs > 1 && !tcp_urg_mode(tp))
limit = tcp_mss_split_point(sk, skb, mss_now,
cwnd_quota);
@@ -1616,6 +1616,7 @@ void __tcp_push_pending_frames(struct sock *sk, unsigned int cur_mss,
*/
void tcp_push_one(struct sock *sk, unsigned int mss_now)
{
+ struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *skb = tcp_send_head(sk);
unsigned int tso_segs, cwnd_quota;
@@ -1630,7 +1631,7 @@ void tcp_push_one(struct sock *sk, unsigned int mss_now)
BUG_ON(!tso_segs);
limit = mss_now;
- if (tso_segs > 1)
+ if (tso_segs > 1 && !tcp_urg_mode(tp))
limit = tcp_mss_split_point(sk, skb, mss_now,
cwnd_quota);
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index 14504dada116..7cd22262de3a 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -326,6 +326,8 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
tp->snd_cwnd = 2;
else if (tp->snd_cwnd > tp->snd_cwnd_clamp)
tp->snd_cwnd = tp->snd_cwnd_clamp;
+
+ tp->snd_ssthresh = tcp_current_ssthresh(sk);
}
/* Wipe the slate clean for the next RTT. */
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index cf02701ced48..98c1fd09be88 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -633,6 +633,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
.saddr = saddr,
.tos = tos } },
.proto = sk->sk_protocol,
+ .flags = inet_sk_flowi_flags(sk),
.uli_u = { .ports =
{ .sport = inet->sport,
.dport = dport } } };
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