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-rw-r--r--net/ipv4/ip_output.c7
-rw-r--r--net/ipv4/ip_sockglue.c9
-rw-r--r--net/ipv4/netfilter/ip_conntrack_sip.c2
-rw-r--r--net/ipv4/netfilter/ipt_hashlimit.c3
-rw-r--r--net/ipv4/route.c8
-rw-r--r--net/ipv4/tcp.c5
-rw-r--r--net/ipv4/tcp_input.c3
-rw-r--r--net/ipv4/tcp_ipv4.c2
-rw-r--r--net/ipv4/tcp_minisocks.c4
-rw-r--r--net/ipv4/tcp_probe.c2
10 files changed, 32 insertions, 13 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 7c9f9a6421b8..9bf307a29783 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -526,6 +526,8 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
526 526
527 err = output(skb); 527 err = output(skb);
528 528
529 if (!err)
530 IP_INC_STATS(IPSTATS_MIB_FRAGCREATES);
529 if (err || !frag) 531 if (err || !frag)
530 break; 532 break;
531 533
@@ -649,9 +651,6 @@ slow_path:
649 /* 651 /*
650 * Put this fragment into the sending queue. 652 * Put this fragment into the sending queue.
651 */ 653 */
652
653 IP_INC_STATS(IPSTATS_MIB_FRAGCREATES);
654
655 iph->tot_len = htons(len + hlen); 654 iph->tot_len = htons(len + hlen);
656 655
657 ip_send_check(iph); 656 ip_send_check(iph);
@@ -659,6 +658,8 @@ slow_path:
659 err = output(skb2); 658 err = output(skb2);
660 if (err) 659 if (err)
661 goto fail; 660 goto fail;
661
662 IP_INC_STATS(IPSTATS_MIB_FRAGCREATES);
662 } 663 }
663 kfree_skb(skb); 664 kfree_skb(skb);
664 IP_INC_STATS(IPSTATS_MIB_FRAGOKS); 665 IP_INC_STATS(IPSTATS_MIB_FRAGOKS);
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 84f43a3c9098..2d05c4133d3e 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -112,14 +112,19 @@ static void ip_cmsg_recv_retopts(struct msghdr *msg, struct sk_buff *skb)
112static void ip_cmsg_recv_security(struct msghdr *msg, struct sk_buff *skb) 112static void ip_cmsg_recv_security(struct msghdr *msg, struct sk_buff *skb)
113{ 113{
114 char *secdata; 114 char *secdata;
115 u32 seclen; 115 u32 seclen, secid;
116 int err; 116 int err;
117 117
118 err = security_socket_getpeersec_dgram(skb, &secdata, &seclen); 118 err = security_socket_getpeersec_dgram(NULL, skb, &secid);
119 if (err)
120 return;
121
122 err = security_secid_to_secctx(secid, &secdata, &seclen);
119 if (err) 123 if (err)
120 return; 124 return;
121 125
122 put_cmsg(msg, SOL_IP, SCM_SECURITY, seclen, secdata); 126 put_cmsg(msg, SOL_IP, SCM_SECURITY, seclen, secdata);
127 security_release_secctx(secdata, seclen);
123} 128}
124 129
125 130
diff --git a/net/ipv4/netfilter/ip_conntrack_sip.c b/net/ipv4/netfilter/ip_conntrack_sip.c
index fc87ce0da40d..4f222d6be009 100644
--- a/net/ipv4/netfilter/ip_conntrack_sip.c
+++ b/net/ipv4/netfilter/ip_conntrack_sip.c
@@ -442,7 +442,7 @@ static int __init init(void)
442 sip[i].tuple.src.u.udp.port = htons(ports[i]); 442 sip[i].tuple.src.u.udp.port = htons(ports[i]);
443 sip[i].mask.src.u.udp.port = 0xFFFF; 443 sip[i].mask.src.u.udp.port = 0xFFFF;
444 sip[i].mask.dst.protonum = 0xFF; 444 sip[i].mask.dst.protonum = 0xFF;
445 sip[i].max_expected = 1; 445 sip[i].max_expected = 2;
446 sip[i].timeout = 3 * 60; /* 3 minutes */ 446 sip[i].timeout = 3 * 60; /* 3 minutes */
447 sip[i].me = THIS_MODULE; 447 sip[i].me = THIS_MODULE;
448 sip[i].help = sip_help; 448 sip[i].help = sip_help;
diff --git a/net/ipv4/netfilter/ipt_hashlimit.c b/net/ipv4/netfilter/ipt_hashlimit.c
index 92980ab8ce48..6b662449e825 100644
--- a/net/ipv4/netfilter/ipt_hashlimit.c
+++ b/net/ipv4/netfilter/ipt_hashlimit.c
@@ -508,6 +508,9 @@ hashlimit_checkentry(const char *tablename,
508 if (!r->cfg.expire) 508 if (!r->cfg.expire)
509 return 0; 509 return 0;
510 510
511 if (r->name[sizeof(r->name) - 1] != '\0')
512 return 0;
513
511 /* This is the best we've got: We cannot release and re-grab lock, 514 /* This is the best we've got: We cannot release and re-grab lock,
512 * since checkentry() is called before ip_tables.c grabs ipt_mutex. 515 * since checkentry() is called before ip_tables.c grabs ipt_mutex.
513 * We also cannot grab the hashtable spinlock, since htable_create will 516 * We also cannot grab the hashtable spinlock, since htable_create will
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 2dc6dbb28467..19bd49d69d9f 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -104,6 +104,7 @@
104#include <net/icmp.h> 104#include <net/icmp.h>
105#include <net/xfrm.h> 105#include <net/xfrm.h>
106#include <net/ip_mp_alg.h> 106#include <net/ip_mp_alg.h>
107#include <net/netevent.h>
107#ifdef CONFIG_SYSCTL 108#ifdef CONFIG_SYSCTL
108#include <linux/sysctl.h> 109#include <linux/sysctl.h>
109#endif 110#endif
@@ -1125,6 +1126,7 @@ void ip_rt_redirect(u32 old_gw, u32 daddr, u32 new_gw,
1125 struct rtable *rth, **rthp; 1126 struct rtable *rth, **rthp;
1126 u32 skeys[2] = { saddr, 0 }; 1127 u32 skeys[2] = { saddr, 0 };
1127 int ikeys[2] = { dev->ifindex, 0 }; 1128 int ikeys[2] = { dev->ifindex, 0 };
1129 struct netevent_redirect netevent;
1128 1130
1129 if (!in_dev) 1131 if (!in_dev)
1130 return; 1132 return;
@@ -1216,6 +1218,11 @@ void ip_rt_redirect(u32 old_gw, u32 daddr, u32 new_gw,
1216 rt_drop(rt); 1218 rt_drop(rt);
1217 goto do_next; 1219 goto do_next;
1218 } 1220 }
1221
1222 netevent.old = &rth->u.dst;
1223 netevent.new = &rt->u.dst;
1224 call_netevent_notifiers(NETEVENT_REDIRECT,
1225 &netevent);
1219 1226
1220 rt_del(hash, rth); 1227 rt_del(hash, rth);
1221 if (!rt_intern_hash(hash, rt, &rt)) 1228 if (!rt_intern_hash(hash, rt, &rt))
@@ -1452,6 +1459,7 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
1452 } 1459 }
1453 dst->metrics[RTAX_MTU-1] = mtu; 1460 dst->metrics[RTAX_MTU-1] = mtu;
1454 dst_set_expires(dst, ip_rt_mtu_expires); 1461 dst_set_expires(dst, ip_rt_mtu_expires);
1462 call_netevent_notifiers(NETEVENT_PMTU_UPDATE, dst);
1455 } 1463 }
1456} 1464}
1457 1465
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f6a2d9223d07..934396bb1376 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1132,7 +1132,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
1132 tp->ucopy.dma_chan = NULL; 1132 tp->ucopy.dma_chan = NULL;
1133 preempt_disable(); 1133 preempt_disable();
1134 if ((len > sysctl_tcp_dma_copybreak) && !(flags & MSG_PEEK) && 1134 if ((len > sysctl_tcp_dma_copybreak) && !(flags & MSG_PEEK) &&
1135 !sysctl_tcp_low_latency && __get_cpu_var(softnet_data.net_dma)) { 1135 !sysctl_tcp_low_latency && __get_cpu_var(softnet_data).net_dma) {
1136 preempt_enable_no_resched(); 1136 preempt_enable_no_resched();
1137 tp->ucopy.pinned_list = dma_pin_iovec_pages(msg->msg_iov, len); 1137 tp->ucopy.pinned_list = dma_pin_iovec_pages(msg->msg_iov, len);
1138 } else 1138 } else
@@ -1659,7 +1659,8 @@ adjudge_to_death:
1659 const int tmo = tcp_fin_time(sk); 1659 const int tmo = tcp_fin_time(sk);
1660 1660
1661 if (tmo > TCP_TIMEWAIT_LEN) { 1661 if (tmo > TCP_TIMEWAIT_LEN) {
1662 inet_csk_reset_keepalive_timer(sk, tcp_fin_time(sk)); 1662 inet_csk_reset_keepalive_timer(sk,
1663 tmo - TCP_TIMEWAIT_LEN);
1663 } else { 1664 } else {
1664 tcp_time_wait(sk, TCP_FIN_WAIT2, tmo); 1665 tcp_time_wait(sk, TCP_FIN_WAIT2, tmo);
1665 goto out; 1666 goto out;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 738dad9f7d49..104af5d5bcbc 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3541,7 +3541,8 @@ void tcp_cwnd_application_limited(struct sock *sk)
3541 if (inet_csk(sk)->icsk_ca_state == TCP_CA_Open && 3541 if (inet_csk(sk)->icsk_ca_state == TCP_CA_Open &&
3542 sk->sk_socket && !test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) { 3542 sk->sk_socket && !test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) {
3543 /* Limited by application or receiver window. */ 3543 /* Limited by application or receiver window. */
3544 u32 win_used = max(tp->snd_cwnd_used, 2U); 3544 u32 init_win = tcp_init_cwnd(tp, __sk_dst_get(sk));
3545 u32 win_used = max(tp->snd_cwnd_used, init_win);
3545 if (win_used < tp->snd_cwnd) { 3546 if (win_used < tp->snd_cwnd) {
3546 tp->snd_ssthresh = tcp_current_ssthresh(sk); 3547 tp->snd_ssthresh = tcp_current_ssthresh(sk);
3547 tp->snd_cwnd = (tp->snd_cwnd + win_used) >> 1; 3548 tp->snd_cwnd = (tp->snd_cwnd + win_used) >> 1;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index f6f39e814291..4b04c3edd4a9 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -438,7 +438,6 @@ void tcp_v4_err(struct sk_buff *skb, u32 info)
438 It can f.e. if SYNs crossed. 438 It can f.e. if SYNs crossed.
439 */ 439 */
440 if (!sock_owned_by_user(sk)) { 440 if (!sock_owned_by_user(sk)) {
441 TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
442 sk->sk_err = err; 441 sk->sk_err = err;
443 442
444 sk->sk_error_report(sk); 443 sk->sk_error_report(sk);
@@ -874,7 +873,6 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
874drop_and_free: 873drop_and_free:
875 reqsk_free(req); 874 reqsk_free(req);
876drop: 875drop:
877 TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
878 return 0; 876 return 0;
879} 877}
880 878
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 0ccb7cb22b15..624e2b2c7f53 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -589,8 +589,10 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb,
589 /* RFC793: "second check the RST bit" and 589 /* RFC793: "second check the RST bit" and
590 * "fourth, check the SYN bit" 590 * "fourth, check the SYN bit"
591 */ 591 */
592 if (flg & (TCP_FLAG_RST|TCP_FLAG_SYN)) 592 if (flg & (TCP_FLAG_RST|TCP_FLAG_SYN)) {
593 TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
593 goto embryonic_reset; 594 goto embryonic_reset;
595 }
594 596
595 /* ACK sequence verified above, just make sure ACK is 597 /* ACK sequence verified above, just make sure ACK is
596 * set. If ACK not set, just silently drop the packet. 598 * set. If ACK not set, just silently drop the packet.
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index d7d517a3a238..b3435324b573 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -114,7 +114,7 @@ static int tcpprobe_open(struct inode * inode, struct file * file)
114static ssize_t tcpprobe_read(struct file *file, char __user *buf, 114static ssize_t tcpprobe_read(struct file *file, char __user *buf,
115 size_t len, loff_t *ppos) 115 size_t len, loff_t *ppos)
116{ 116{
117 int error = 0, cnt; 117 int error = 0, cnt = 0;
118 unsigned char *tbuf; 118 unsigned char *tbuf;
119 119
120 if (!buf || len < 0) 120 if (!buf || len < 0)