aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--MAINTAINERS4
-rw-r--r--drivers/net/bnx2.c9
-rw-r--r--drivers/net/bnx2.h1
-rw-r--r--drivers/net/bnx2x.c5
-rw-r--r--drivers/net/bnx2x.h3
-rw-r--r--drivers/net/bnx2x_init.h3
-rw-r--r--drivers/net/ehea/ehea_main.c3
-rw-r--r--drivers/net/fec_mpc52xx.c2
-rw-r--r--drivers/net/hamradio/baycom_epp.c2
-rw-r--r--drivers/net/ipg.c4
-rw-r--r--drivers/net/r6040.c2
-rw-r--r--drivers/net/smc911x.c24
-rw-r--r--drivers/net/smc91x.c17
-rw-r--r--drivers/net/tulip/tulip_core.c2
-rw-r--r--drivers/net/usb/kaweth.c2
-rw-r--r--drivers/net/wireless/hostap/hostap_main.c8
-rw-r--r--include/linux/tcp.h7
-rw-r--r--include/net/request_sock.h4
-rw-r--r--include/net/tcp.h1
-rw-r--r--net/dccp/ackvec.c29
-rw-r--r--net/dccp/ccids/ccid3.c14
-rw-r--r--net/dccp/ccids/lib/tfrc.c8
-rw-r--r--net/dccp/ccids/lib/tfrc.h25
-rw-r--r--net/dccp/ccids/lib/tfrc_equation.c8
-rw-r--r--net/dccp/minisocks.c8
-rw-r--r--net/dccp/options.c4
-rw-r--r--net/dccp/output.c2
-rw-r--r--net/dccp/probe.c2
-rw-r--r--net/ipv4/inet_connection_sock.c11
-rw-r--r--net/ipv4/tcp.c18
-rw-r--r--net/ipv4/tcp_input.c45
-rw-r--r--net/ipv4/tcp_ipv4.c8
-rw-r--r--net/ipv4/tcp_minisocks.c32
-rw-r--r--net/ipv4/tcp_timer.c5
-rw-r--r--net/ipv6/datagram.c5
-rw-r--r--net/ipv6/ipv6_sockglue.c12
-rw-r--r--net/ipv6/raw.c4
-rw-r--r--net/ipv6/route.c8
-rw-r--r--net/netfilter/nf_conntrack_core.c3
-rw-r--r--net/netfilter/nf_log.c4
40 files changed, 130 insertions, 228 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 88aac5f81e23..a536396a4af1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -995,8 +995,8 @@ L: netdev@vger.kernel.org
995S: Supported 995S: Supported
996 996
997BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER 997BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER
998P: Eliezer Tamir 998P: Eilon Greenstein
999M: eliezert@broadcom.com 999M: eilong@broadcom.com
1000L: netdev@vger.kernel.org 1000L: netdev@vger.kernel.org
1001S: Supported 1001S: Supported
1002 1002
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 4b46e68183e0..367b6d462708 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -5724,14 +5724,12 @@ bnx2_reset_task(struct work_struct *work)
5724 if (!netif_running(bp->dev)) 5724 if (!netif_running(bp->dev))
5725 return; 5725 return;
5726 5726
5727 bp->in_reset_task = 1;
5728 bnx2_netif_stop(bp); 5727 bnx2_netif_stop(bp);
5729 5728
5730 bnx2_init_nic(bp); 5729 bnx2_init_nic(bp);
5731 5730
5732 atomic_set(&bp->intr_sem, 1); 5731 atomic_set(&bp->intr_sem, 1);
5733 bnx2_netif_start(bp); 5732 bnx2_netif_start(bp);
5734 bp->in_reset_task = 0;
5735} 5733}
5736 5734
5737static void 5735static void
@@ -5907,12 +5905,7 @@ bnx2_close(struct net_device *dev)
5907 struct bnx2 *bp = netdev_priv(dev); 5905 struct bnx2 *bp = netdev_priv(dev);
5908 u32 reset_code; 5906 u32 reset_code;
5909 5907
5910 /* Calling flush_scheduled_work() may deadlock because 5908 cancel_work_sync(&bp->reset_task);
5911 * linkwatch_event() may be on the workqueue and it will try to get
5912 * the rtnl_lock which we are holding.
5913 */
5914 while (bp->in_reset_task)
5915 msleep(1);
5916 5909
5917 bnx2_disable_int_sync(bp); 5910 bnx2_disable_int_sync(bp);
5918 bnx2_napi_disable(bp); 5911 bnx2_napi_disable(bp);
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index 1eaf5bb3d9c2..2377cc13bf61 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -6656,7 +6656,6 @@ struct bnx2 {
6656 int current_interval; 6656 int current_interval;
6657 struct timer_list timer; 6657 struct timer_list timer;
6658 struct work_struct reset_task; 6658 struct work_struct reset_task;
6659 int in_reset_task;
6660 6659
6661 /* Used to synchronize phy accesses. */ 6660 /* Used to synchronize phy accesses. */
6662 spinlock_t phy_lock; 6661 spinlock_t phy_lock;
diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c
index 7bdb5af35951..70cba64732ca 100644
--- a/drivers/net/bnx2x.c
+++ b/drivers/net/bnx2x.c
@@ -6,7 +6,8 @@
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation. 7 * the Free Software Foundation.
8 * 8 *
9 * Written by: Eliezer Tamir <eliezert@broadcom.com> 9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
10 * Based on code from Michael Chan's bnx2 driver 11 * Based on code from Michael Chan's bnx2 driver
11 * UDP CSUM errata workaround by Arik Gendelman 12 * UDP CSUM errata workaround by Arik Gendelman
12 * Slowpath rework by Vladislav Zolotarov 13 * Slowpath rework by Vladislav Zolotarov
@@ -74,7 +75,7 @@ static char version[] __devinitdata =
74 "Broadcom NetXtreme II 5771X 10Gigabit Ethernet Driver " 75 "Broadcom NetXtreme II 5771X 10Gigabit Ethernet Driver "
75 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; 76 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
76 77
77MODULE_AUTHOR("Eliezer Tamir <eliezert@broadcom.com>"); 78MODULE_AUTHOR("Eliezer Tamir");
78MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver"); 79MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
79MODULE_LICENSE("GPL"); 80MODULE_LICENSE("GPL");
80MODULE_VERSION(DRV_MODULE_VERSION); 81MODULE_VERSION(DRV_MODULE_VERSION);
diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index 4f0c0d31e7c1..8e68d06510a6 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -6,7 +6,8 @@
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation. 7 * the Free Software Foundation.
8 * 8 *
9 * Written by: Eliezer Tamir <eliezert@broadcom.com> 9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
10 * Based on code from Michael Chan's bnx2 driver 11 * Based on code from Michael Chan's bnx2 driver
11 */ 12 */
12 13
diff --git a/drivers/net/bnx2x_init.h b/drivers/net/bnx2x_init.h
index dcaecc53bdb1..370686eef97c 100644
--- a/drivers/net/bnx2x_init.h
+++ b/drivers/net/bnx2x_init.h
@@ -6,7 +6,8 @@
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation. 7 * the Free Software Foundation.
8 * 8 *
9 * Written by: Eliezer Tamir <eliezert@broadcom.com> 9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
10 */ 11 */
11 12
12#ifndef BNX2X_INIT_H 13#ifndef BNX2X_INIT_H
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index faae01dc1c4b..075fd547421e 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -2605,7 +2605,8 @@ static int ehea_stop(struct net_device *dev)
2605 if (netif_msg_ifdown(port)) 2605 if (netif_msg_ifdown(port))
2606 ehea_info("disabling port %s", dev->name); 2606 ehea_info("disabling port %s", dev->name);
2607 2607
2608 flush_scheduled_work(); 2608 cancel_work_sync(&port->reset_task);
2609
2609 mutex_lock(&port->port_lock); 2610 mutex_lock(&port->port_lock);
2610 netif_stop_queue(dev); 2611 netif_stop_queue(dev);
2611 port_napi_disable(port); 2612 port_napi_disable(port);
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index 5f9c42e7a7f1..329edd9c08fc 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -78,7 +78,7 @@ module_param_array_named(mac, mpc52xx_fec_mac_addr, byte, NULL, 0);
78MODULE_PARM_DESC(mac, "six hex digits, ie. 0x1,0x2,0xc0,0x01,0xba,0xbe"); 78MODULE_PARM_DESC(mac, "six hex digits, ie. 0x1,0x2,0xc0,0x01,0xba,0xbe");
79 79
80#define MPC52xx_MESSAGES_DEFAULT ( NETIF_MSG_DRV | NETIF_MSG_PROBE | \ 80#define MPC52xx_MESSAGES_DEFAULT ( NETIF_MSG_DRV | NETIF_MSG_PROBE | \
81 NETIF_MSG_LINK | NETIF_MSG_IFDOWN | NETIF_MSG_IFDOWN ) 81 NETIF_MSG_LINK | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP)
82static int debug = -1; /* the above default */ 82static int debug = -1; /* the above default */
83module_param(debug, int, 0); 83module_param(debug, int, 0);
84MODULE_PARM_DESC(debug, "debugging messages level"); 84MODULE_PARM_DESC(debug, "debugging messages level");
diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index dde9c7e6408a..00bc7fbb6b37 100644
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -959,7 +959,7 @@ static int epp_close(struct net_device *dev)
959 unsigned char tmp[1]; 959 unsigned char tmp[1];
960 960
961 bc->work_running = 0; 961 bc->work_running = 0;
962 flush_scheduled_work(); 962 cancel_delayed_work_sync(&bc->run_work);
963 bc->stat = EPP_DCDBIT; 963 bc->stat = EPP_DCDBIT;
964 tmp[0] = 0; 964 tmp[0] = 0;
965 pp->ops->epp_write_addr(pp, tmp, 1, 0); 965 pp->ops->epp_write_addr(pp, tmp, 1, 0);
diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c
index 9b358f61ed7f..679a0826780e 100644
--- a/drivers/net/ipg.c
+++ b/drivers/net/ipg.c
@@ -577,12 +577,12 @@ static void ipg_nic_set_multicast_list(struct net_device *dev)
577 /* NIC to be configured in promiscuous mode. */ 577 /* NIC to be configured in promiscuous mode. */
578 receivemode = IPG_RM_RECEIVEALLFRAMES; 578 receivemode = IPG_RM_RECEIVEALLFRAMES;
579 } else if ((dev->flags & IFF_ALLMULTI) || 579 } else if ((dev->flags & IFF_ALLMULTI) ||
580 (dev->flags & IFF_MULTICAST & 580 ((dev->flags & IFF_MULTICAST) &&
581 (dev->mc_count > IPG_MULTICAST_HASHTABLE_SIZE))) { 581 (dev->mc_count > IPG_MULTICAST_HASHTABLE_SIZE))) {
582 /* NIC to be configured to receive all multicast 582 /* NIC to be configured to receive all multicast
583 * frames. */ 583 * frames. */
584 receivemode |= IPG_RM_RECEIVEMULTICAST; 584 receivemode |= IPG_RM_RECEIVEMULTICAST;
585 } else if (dev->flags & IFF_MULTICAST & (dev->mc_count > 0)) { 585 } else if ((dev->flags & IFF_MULTICAST) && (dev->mc_count > 0)) {
586 /* NIC to be configured to receive selected 586 /* NIC to be configured to receive selected
587 * multicast addresses. */ 587 * multicast addresses. */
588 receivemode |= IPG_RM_RECEIVEMULTICASTHASH; 588 receivemode |= IPG_RM_RECEIVEMULTICASTHASH;
diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
index 169edc154928..858b191517b3 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -733,7 +733,7 @@ static void r6040_timer(unsigned long data)
733 } 733 }
734 734
735 /* Timer active again */ 735 /* Timer active again */
736 mod_timer(&lp->timer, jiffies + round_jiffies(HZ)); 736 mod_timer(&lp->timer, round_jiffies(jiffies + HZ));
737} 737}
738 738
739/* Read/set MAC address routines */ 739/* Read/set MAC address routines */
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 4e2800205189..e2ee91a6ae7e 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -136,7 +136,6 @@ struct smc911x_local {
136 136
137 /* work queue */ 137 /* work queue */
138 struct work_struct phy_configure; 138 struct work_struct phy_configure;
139 int work_pending;
140 139
141 int tx_throttle; 140 int tx_throttle;
142 spinlock_t lock; 141 spinlock_t lock;
@@ -960,11 +959,11 @@ static void smc911x_phy_configure(struct work_struct *work)
960 * We should not be called if phy_type is zero. 959 * We should not be called if phy_type is zero.
961 */ 960 */
962 if (lp->phy_type == 0) 961 if (lp->phy_type == 0)
963 goto smc911x_phy_configure_exit_nolock; 962 return;
964 963
965 if (smc911x_phy_reset(dev, phyaddr)) { 964 if (smc911x_phy_reset(dev, phyaddr)) {
966 printk("%s: PHY reset timed out\n", dev->name); 965 printk("%s: PHY reset timed out\n", dev->name);
967 goto smc911x_phy_configure_exit_nolock; 966 return;
968 } 967 }
969 spin_lock_irqsave(&lp->lock, flags); 968 spin_lock_irqsave(&lp->lock, flags);
970 969
@@ -1033,8 +1032,6 @@ static void smc911x_phy_configure(struct work_struct *work)
1033 1032
1034smc911x_phy_configure_exit: 1033smc911x_phy_configure_exit:
1035 spin_unlock_irqrestore(&lp->lock, flags); 1034 spin_unlock_irqrestore(&lp->lock, flags);
1036smc911x_phy_configure_exit_nolock:
1037 lp->work_pending = 0;
1038} 1035}
1039 1036
1040/* 1037/*
@@ -1356,11 +1353,8 @@ static void smc911x_timeout(struct net_device *dev)
1356 * smc911x_phy_configure() calls msleep() which calls schedule_timeout() 1353 * smc911x_phy_configure() calls msleep() which calls schedule_timeout()
1357 * which calls schedule(). Hence we use a work queue. 1354 * which calls schedule(). Hence we use a work queue.
1358 */ 1355 */
1359 if (lp->phy_type != 0) { 1356 if (lp->phy_type != 0)
1360 if (schedule_work(&lp->phy_configure)) { 1357 schedule_work(&lp->phy_configure);
1361 lp->work_pending = 1;
1362 }
1363 }
1364 1358
1365 /* We can accept TX packets again */ 1359 /* We can accept TX packets again */
1366 dev->trans_start = jiffies; 1360 dev->trans_start = jiffies;
@@ -1531,16 +1525,8 @@ static int smc911x_close(struct net_device *dev)
1531 if (lp->phy_type != 0) { 1525 if (lp->phy_type != 0) {
1532 /* We need to ensure that no calls to 1526 /* We need to ensure that no calls to
1533 * smc911x_phy_configure are pending. 1527 * smc911x_phy_configure are pending.
1534
1535 * flush_scheduled_work() cannot be called because we
1536 * are running with the netlink semaphore held (from
1537 * devinet_ioctl()) and the pending work queue
1538 * contains linkwatch_event() (scheduled by
1539 * netif_carrier_off() above). linkwatch_event() also
1540 * wants the netlink semaphore.
1541 */ 1528 */
1542 while (lp->work_pending) 1529 cancel_work_sync(&lp->phy_configure);
1543 schedule();
1544 smc911x_phy_powerdown(dev, lp->mii.phy_id); 1530 smc911x_phy_powerdown(dev, lp->mii.phy_id);
1545 } 1531 }
1546 1532
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index a188e33484e6..f2051b209da2 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -1016,15 +1016,8 @@ static void smc_phy_powerdown(struct net_device *dev)
1016 1016
1017 /* We need to ensure that no calls to smc_phy_configure are 1017 /* We need to ensure that no calls to smc_phy_configure are
1018 pending. 1018 pending.
1019
1020 flush_scheduled_work() cannot be called because we are
1021 running with the netlink semaphore held (from
1022 devinet_ioctl()) and the pending work queue contains
1023 linkwatch_event() (scheduled by netif_carrier_off()
1024 above). linkwatch_event() also wants the netlink semaphore.
1025 */ 1019 */
1026 while(lp->work_pending) 1020 cancel_work_sync(&lp->phy_configure);
1027 yield();
1028 1021
1029 bmcr = smc_phy_read(dev, phy, MII_BMCR); 1022 bmcr = smc_phy_read(dev, phy, MII_BMCR);
1030 smc_phy_write(dev, phy, MII_BMCR, bmcr | BMCR_PDOWN); 1023 smc_phy_write(dev, phy, MII_BMCR, bmcr | BMCR_PDOWN);
@@ -1161,7 +1154,6 @@ static void smc_phy_configure(struct work_struct *work)
1161smc_phy_configure_exit: 1154smc_phy_configure_exit:
1162 SMC_SELECT_BANK(lp, 2); 1155 SMC_SELECT_BANK(lp, 2);
1163 spin_unlock_irq(&lp->lock); 1156 spin_unlock_irq(&lp->lock);
1164 lp->work_pending = 0;
1165} 1157}
1166 1158
1167/* 1159/*
@@ -1389,11 +1381,8 @@ static void smc_timeout(struct net_device *dev)
1389 * smc_phy_configure() calls msleep() which calls schedule_timeout() 1381 * smc_phy_configure() calls msleep() which calls schedule_timeout()
1390 * which calls schedule(). Hence we use a work queue. 1382 * which calls schedule(). Hence we use a work queue.
1391 */ 1383 */
1392 if (lp->phy_type != 0) { 1384 if (lp->phy_type != 0)
1393 if (schedule_work(&lp->phy_configure)) { 1385 schedule_work(&lp->phy_configure);
1394 lp->work_pending = 1;
1395 }
1396 }
1397 1386
1398 /* We can accept TX packets again */ 1387 /* We can accept TX packets again */
1399 dev->trans_start = jiffies; 1388 dev->trans_start = jiffies;
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index 55670b5eb611..af8d2c436efd 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -731,7 +731,7 @@ static void tulip_down (struct net_device *dev)
731 void __iomem *ioaddr = tp->base_addr; 731 void __iomem *ioaddr = tp->base_addr;
732 unsigned long flags; 732 unsigned long flags;
733 733
734 flush_scheduled_work(); 734 cancel_work_sync(&tp->media_work);
735 735
736#ifdef CONFIG_TULIP_NAPI 736#ifdef CONFIG_TULIP_NAPI
737 napi_disable(&tp->napi); 737 napi_disable(&tp->napi);
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 0dcfc0310264..7c66b052f55a 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -706,7 +706,7 @@ static void kaweth_kill_urbs(struct kaweth_device *kaweth)
706 usb_kill_urb(kaweth->rx_urb); 706 usb_kill_urb(kaweth->rx_urb);
707 usb_kill_urb(kaweth->tx_urb); 707 usb_kill_urb(kaweth->tx_urb);
708 708
709 flush_scheduled_work(); 709 cancel_delayed_work_sync(&kaweth->lowmem_work);
710 710
711 /* a scheduled work may have resubmitted, 711 /* a scheduled work may have resubmitted,
712 we hit them again */ 712 we hit them again */
diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c
index 20d387f6658c..f7aec9309d04 100644
--- a/drivers/net/wireless/hostap/hostap_main.c
+++ b/drivers/net/wireless/hostap/hostap_main.c
@@ -682,7 +682,13 @@ static int prism2_close(struct net_device *dev)
682 netif_device_detach(dev); 682 netif_device_detach(dev);
683 } 683 }
684 684
685 flush_scheduled_work(); 685 cancel_work_sync(&local->reset_queue);
686 cancel_work_sync(&local->set_multicast_list_queue);
687 cancel_work_sync(&local->set_tim_queue);
688#ifndef PRISM2_NO_STATION_MODES
689 cancel_work_sync(&local->info_queue);
690#endif
691 cancel_work_sync(&local->comms_qual_update);
686 692
687 module_put(local->hw_module); 693 module_put(local->hw_module);
688 694
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 18e62e3d406f..b31b6b74aa28 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -239,11 +239,6 @@ static inline struct tcp_request_sock *tcp_rsk(const struct request_sock *req)
239 return (struct tcp_request_sock *)req; 239 return (struct tcp_request_sock *)req;
240} 240}
241 241
242struct tcp_deferred_accept_info {
243 struct sock *listen_sk;
244 struct request_sock *request;
245};
246
247struct tcp_sock { 242struct tcp_sock {
248 /* inet_connection_sock has to be the first member of tcp_sock */ 243 /* inet_connection_sock has to be the first member of tcp_sock */
249 struct inet_connection_sock inet_conn; 244 struct inet_connection_sock inet_conn;
@@ -379,8 +374,6 @@ struct tcp_sock {
379 unsigned int keepalive_intvl; /* time interval between keep alive probes */ 374 unsigned int keepalive_intvl; /* time interval between keep alive probes */
380 int linger2; 375 int linger2;
381 376
382 struct tcp_deferred_accept_info defer_tcp_accept;
383
384 unsigned long last_synq_overflow; 377 unsigned long last_synq_overflow;
385 378
386 u32 tso_deferred; 379 u32 tso_deferred;
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index b220b5f624de..0c96e7bed5db 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -115,8 +115,8 @@ struct request_sock_queue {
115 struct request_sock *rskq_accept_head; 115 struct request_sock *rskq_accept_head;
116 struct request_sock *rskq_accept_tail; 116 struct request_sock *rskq_accept_tail;
117 rwlock_t syn_wait_lock; 117 rwlock_t syn_wait_lock;
118 u16 rskq_defer_accept; 118 u8 rskq_defer_accept;
119 /* 2 bytes hole, try to pack */ 119 /* 3 bytes hole, try to pack */
120 struct listen_sock *listen_opt; 120 struct listen_sock *listen_opt;
121}; 121};
122 122
diff --git a/include/net/tcp.h b/include/net/tcp.h
index d448310c82c1..cf54034019d9 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -139,7 +139,6 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
139#define MAX_TCP_KEEPINTVL 32767 139#define MAX_TCP_KEEPINTVL 32767
140#define MAX_TCP_KEEPCNT 127 140#define MAX_TCP_KEEPCNT 127
141#define MAX_TCP_SYNCNT 127 141#define MAX_TCP_SYNCNT 127
142#define MAX_TCP_ACCEPT_DEFERRED 65535
143 142
144#define TCP_SYNQ_INTERVAL (HZ/5) /* Period of SYNACK timer */ 143#define TCP_SYNQ_INTERVAL (HZ/5) /* Period of SYNACK timer */
145 144
diff --git a/net/dccp/ackvec.c b/net/dccp/ackvec.c
index 6de4bd195d28..1e8be246ad15 100644
--- a/net/dccp/ackvec.c
+++ b/net/dccp/ackvec.c
@@ -290,12 +290,12 @@ int dccp_ackvec_add(struct dccp_ackvec *av, const struct sock *sk,
290 290
291 while (1) { 291 while (1) {
292 const u8 len = dccp_ackvec_len(av, index); 292 const u8 len = dccp_ackvec_len(av, index);
293 const u8 state = dccp_ackvec_state(av, index); 293 const u8 av_state = dccp_ackvec_state(av, index);
294 /* 294 /*
295 * valid packets not yet in av_buf have a reserved 295 * valid packets not yet in av_buf have a reserved
296 * entry, with a len equal to 0. 296 * entry, with a len equal to 0.
297 */ 297 */
298 if (state == DCCP_ACKVEC_STATE_NOT_RECEIVED && 298 if (av_state == DCCP_ACKVEC_STATE_NOT_RECEIVED &&
299 len == 0 && delta == 0) { /* Found our 299 len == 0 && delta == 0) { /* Found our
300 reserved seat! */ 300 reserved seat! */
301 dccp_pr_debug("Found %llu reserved seat!\n", 301 dccp_pr_debug("Found %llu reserved seat!\n",
@@ -325,31 +325,6 @@ out_duplicate:
325 return -EILSEQ; 325 return -EILSEQ;
326} 326}
327 327
328#ifdef CONFIG_IP_DCCP_DEBUG
329void dccp_ackvector_print(const u64 ackno, const unsigned char *vector, int len)
330{
331 dccp_pr_debug_cat("ACK vector len=%d, ackno=%llu |", len,
332 (unsigned long long)ackno);
333
334 while (len--) {
335 const u8 state = (*vector & DCCP_ACKVEC_STATE_MASK) >> 6;
336 const u8 rl = *vector & DCCP_ACKVEC_LEN_MASK;
337
338 dccp_pr_debug_cat("%d,%d|", state, rl);
339 ++vector;
340 }
341
342 dccp_pr_debug_cat("\n");
343}
344
345void dccp_ackvec_print(const struct dccp_ackvec *av)
346{
347 dccp_ackvector_print(av->av_buf_ackno,
348 av->av_buf + av->av_buf_head,
349 av->av_vec_len);
350}
351#endif
352
353static void dccp_ackvec_throw_record(struct dccp_ackvec *av, 328static void dccp_ackvec_throw_record(struct dccp_ackvec *av,
354 struct dccp_ackvec_record *avr) 329 struct dccp_ackvec_record *avr)
355{ 330{
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index f813077234b7..a1929f33d703 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -159,8 +159,8 @@ static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp)
159 } else if (ktime_us_delta(now, hctx->ccid3hctx_t_ld) 159 } else if (ktime_us_delta(now, hctx->ccid3hctx_t_ld)
160 - (s64)hctx->ccid3hctx_rtt >= 0) { 160 - (s64)hctx->ccid3hctx_rtt >= 0) {
161 161
162 hctx->ccid3hctx_x = 162 hctx->ccid3hctx_x = min(2 * hctx->ccid3hctx_x, min_rate);
163 max(min(2 * hctx->ccid3hctx_x, min_rate), 163 hctx->ccid3hctx_x = max(hctx->ccid3hctx_x,
164 scaled_div(((__u64)hctx->ccid3hctx_s) << 6, 164 scaled_div(((__u64)hctx->ccid3hctx_s) << 6,
165 hctx->ccid3hctx_rtt)); 165 hctx->ccid3hctx_rtt));
166 hctx->ccid3hctx_t_ld = now; 166 hctx->ccid3hctx_t_ld = now;
@@ -329,8 +329,14 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
329 hctx->ccid3hctx_x = rfc3390_initial_rate(sk); 329 hctx->ccid3hctx_x = rfc3390_initial_rate(sk);
330 hctx->ccid3hctx_t_ld = now; 330 hctx->ccid3hctx_t_ld = now;
331 } else { 331 } else {
332 /* Sender does not have RTT sample: X_pps = 1 pkt/sec */ 332 /*
333 hctx->ccid3hctx_x = hctx->ccid3hctx_s; 333 * Sender does not have RTT sample:
334 * - set fallback RTT (RFC 4340, 3.4) since a RTT value
335 * is needed in several parts (e.g. window counter);
336 * - set sending rate X_pps = 1pps as per RFC 3448, 4.2.
337 */
338 hctx->ccid3hctx_rtt = DCCP_FALLBACK_RTT;
339 hctx->ccid3hctx_x = hctx->ccid3hctx_s;
334 hctx->ccid3hctx_x <<= 6; 340 hctx->ccid3hctx_x <<= 6;
335 } 341 }
336 ccid3_update_send_interval(hctx); 342 ccid3_update_send_interval(hctx);
diff --git a/net/dccp/ccids/lib/tfrc.c b/net/dccp/ccids/lib/tfrc.c
index d1dfbb8de64c..97ecec0a8e76 100644
--- a/net/dccp/ccids/lib/tfrc.c
+++ b/net/dccp/ccids/lib/tfrc.c
@@ -14,14 +14,6 @@ module_param(tfrc_debug, bool, 0444);
14MODULE_PARM_DESC(tfrc_debug, "Enable debug messages"); 14MODULE_PARM_DESC(tfrc_debug, "Enable debug messages");
15#endif 15#endif
16 16
17extern int tfrc_tx_packet_history_init(void);
18extern void tfrc_tx_packet_history_exit(void);
19extern int tfrc_rx_packet_history_init(void);
20extern void tfrc_rx_packet_history_exit(void);
21
22extern int tfrc_li_init(void);
23extern void tfrc_li_exit(void);
24
25static int __init tfrc_module_init(void) 17static int __init tfrc_module_init(void)
26{ 18{
27 int rc = tfrc_li_init(); 19 int rc = tfrc_li_init();
diff --git a/net/dccp/ccids/lib/tfrc.h b/net/dccp/ccids/lib/tfrc.h
index 1fb1187bbf1c..ed9857527acf 100644
--- a/net/dccp/ccids/lib/tfrc.h
+++ b/net/dccp/ccids/lib/tfrc.h
@@ -15,7 +15,7 @@
15 * (at your option) any later version. 15 * (at your option) any later version.
16 */ 16 */
17#include <linux/types.h> 17#include <linux/types.h>
18#include <asm/div64.h> 18#include <linux/math64.h>
19#include "../../dccp.h" 19#include "../../dccp.h"
20/* internal includes that this module exports: */ 20/* internal includes that this module exports: */
21#include "loss_interval.h" 21#include "loss_interval.h"
@@ -29,21 +29,19 @@ extern int tfrc_debug;
29#endif 29#endif
30 30
31/* integer-arithmetic divisions of type (a * 1000000)/b */ 31/* integer-arithmetic divisions of type (a * 1000000)/b */
32static inline u64 scaled_div(u64 a, u32 b) 32static inline u64 scaled_div(u64 a, u64 b)
33{ 33{
34 BUG_ON(b==0); 34 BUG_ON(b==0);
35 a *= 1000000; 35 return div64_u64(a * 1000000, b);
36 do_div(a, b);
37 return a;
38} 36}
39 37
40static inline u32 scaled_div32(u64 a, u32 b) 38static inline u32 scaled_div32(u64 a, u64 b)
41{ 39{
42 u64 result = scaled_div(a, b); 40 u64 result = scaled_div(a, b);
43 41
44 if (result > UINT_MAX) { 42 if (result > UINT_MAX) {
45 DCCP_CRIT("Overflow: a(%llu)/b(%u) > ~0U", 43 DCCP_CRIT("Overflow: %llu/%llu > UINT_MAX",
46 (unsigned long long)a, b); 44 (unsigned long long)a, (unsigned long long)b);
47 return UINT_MAX; 45 return UINT_MAX;
48 } 46 }
49 return result; 47 return result;
@@ -58,7 +56,14 @@ static inline u32 tfrc_ewma(const u32 avg, const u32 newval, const u8 weight)
58 return avg ? (weight * avg + (10 - weight) * newval) / 10 : newval; 56 return avg ? (weight * avg + (10 - weight) * newval) / 10 : newval;
59} 57}
60 58
61extern u32 tfrc_calc_x(u16 s, u32 R, u32 p); 59extern u32 tfrc_calc_x(u16 s, u32 R, u32 p);
62extern u32 tfrc_calc_x_reverse_lookup(u32 fvalue); 60extern u32 tfrc_calc_x_reverse_lookup(u32 fvalue);
63 61
62extern int tfrc_tx_packet_history_init(void);
63extern void tfrc_tx_packet_history_exit(void);
64extern int tfrc_rx_packet_history_init(void);
65extern void tfrc_rx_packet_history_exit(void);
66
67extern int tfrc_li_init(void);
68extern void tfrc_li_exit(void);
64#endif /* _TFRC_H_ */ 69#endif /* _TFRC_H_ */
diff --git a/net/dccp/ccids/lib/tfrc_equation.c b/net/dccp/ccids/lib/tfrc_equation.c
index e4e64b76c10c..2f20a29cffe4 100644
--- a/net/dccp/ccids/lib/tfrc_equation.c
+++ b/net/dccp/ccids/lib/tfrc_equation.c
@@ -661,7 +661,7 @@ u32 tfrc_calc_x(u16 s, u32 R, u32 p)
661 661
662EXPORT_SYMBOL_GPL(tfrc_calc_x); 662EXPORT_SYMBOL_GPL(tfrc_calc_x);
663 663
664/* 664/**
665 * tfrc_calc_x_reverse_lookup - try to find p given f(p) 665 * tfrc_calc_x_reverse_lookup - try to find p given f(p)
666 * 666 *
667 * @fvalue: function value to match, scaled by 1000000 667 * @fvalue: function value to match, scaled by 1000000
@@ -676,11 +676,11 @@ u32 tfrc_calc_x_reverse_lookup(u32 fvalue)
676 676
677 /* Error cases. */ 677 /* Error cases. */
678 if (fvalue < tfrc_calc_x_lookup[0][1]) { 678 if (fvalue < tfrc_calc_x_lookup[0][1]) {
679 DCCP_WARN("fvalue %d smaller than resolution\n", fvalue); 679 DCCP_WARN("fvalue %u smaller than resolution\n", fvalue);
680 return tfrc_calc_x_lookup[0][1]; 680 return TFRC_SMALLEST_P;
681 } 681 }
682 if (fvalue > tfrc_calc_x_lookup[TFRC_CALC_X_ARRSIZE - 1][0]) { 682 if (fvalue > tfrc_calc_x_lookup[TFRC_CALC_X_ARRSIZE - 1][0]) {
683 DCCP_WARN("fvalue %d exceeds bounds!\n", fvalue); 683 DCCP_WARN("fvalue %u exceeds bounds!\n", fvalue);
684 return 1000000; 684 return 1000000;
685 } 685 }
686 686
diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index 33ad48321b08..66dca5bba858 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -165,12 +165,12 @@ out_free:
165 /* See dccp_v4_conn_request */ 165 /* See dccp_v4_conn_request */
166 newdmsk->dccpms_sequence_window = req->rcv_wnd; 166 newdmsk->dccpms_sequence_window = req->rcv_wnd;
167 167
168 newdp->dccps_gar = newdp->dccps_isr = dreq->dreq_isr; 168 newdp->dccps_gar = newdp->dccps_iss = dreq->dreq_iss;
169 dccp_update_gsr(newsk, dreq->dreq_isr);
170
171 newdp->dccps_iss = dreq->dreq_iss;
172 dccp_update_gss(newsk, dreq->dreq_iss); 169 dccp_update_gss(newsk, dreq->dreq_iss);
173 170
171 newdp->dccps_isr = dreq->dreq_isr;
172 dccp_update_gsr(newsk, dreq->dreq_isr);
173
174 /* 174 /*
175 * SWL and AWL are initially adjusted so that they are not less than 175 * SWL and AWL are initially adjusted so that they are not less than
176 * the initial Sequence Numbers received and sent, respectively: 176 * the initial Sequence Numbers received and sent, respectively:
diff --git a/net/dccp/options.c b/net/dccp/options.c
index d2a84a2fecee..43bc24e761d0 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -107,9 +107,11 @@ int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq,
107 * 107 *
108 * CCID-specific options are ignored during connection setup, as 108 * CCID-specific options are ignored during connection setup, as
109 * negotiation may still be in progress (see RFC 4340, 10.3). 109 * negotiation may still be in progress (see RFC 4340, 10.3).
110 * The same applies to Ack Vectors, as these depend on the CCID.
110 * 111 *
111 */ 112 */
112 if (dreq != NULL && opt >= 128) 113 if (dreq != NULL && (opt >= 128 ||
114 opt == DCCPO_ACK_VECTOR_0 || opt == DCCPO_ACK_VECTOR_1))
113 goto ignore_option; 115 goto ignore_option;
114 116
115 switch (opt) { 117 switch (opt) {
diff --git a/net/dccp/output.c b/net/dccp/output.c
index 1f8a9b64c083..fe20068c5d8e 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -508,6 +508,7 @@ void dccp_send_ack(struct sock *sk)
508 508
509EXPORT_SYMBOL_GPL(dccp_send_ack); 509EXPORT_SYMBOL_GPL(dccp_send_ack);
510 510
511#if 0
511/* FIXME: Is this still necessary (11.3) - currently nowhere used by DCCP. */ 512/* FIXME: Is this still necessary (11.3) - currently nowhere used by DCCP. */
512void dccp_send_delayed_ack(struct sock *sk) 513void dccp_send_delayed_ack(struct sock *sk)
513{ 514{
@@ -538,6 +539,7 @@ void dccp_send_delayed_ack(struct sock *sk)
538 icsk->icsk_ack.timeout = timeout; 539 icsk->icsk_ack.timeout = timeout;
539 sk_reset_timer(sk, &icsk->icsk_delack_timer, timeout); 540 sk_reset_timer(sk, &icsk->icsk_delack_timer, timeout);
540} 541}
542#endif
541 543
542void dccp_send_sync(struct sock *sk, const u64 ackno, 544void dccp_send_sync(struct sock *sk, const u64 ackno,
543 const enum dccp_pkt_type pkt_type) 545 const enum dccp_pkt_type pkt_type)
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index 0bcdc9250279..81368a7f5379 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -42,7 +42,7 @@ static int bufsize = 64 * 1024;
42 42
43static const char procname[] = "dccpprobe"; 43static const char procname[] = "dccpprobe";
44 44
45struct { 45static struct {
46 struct kfifo *fifo; 46 struct kfifo *fifo;
47 spinlock_t lock; 47 spinlock_t lock;
48 wait_queue_head_t wait; 48 wait_queue_head_t wait;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 828ea211ff21..045e799d3e1d 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -419,7 +419,8 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
419 struct inet_connection_sock *icsk = inet_csk(parent); 419 struct inet_connection_sock *icsk = inet_csk(parent);
420 struct request_sock_queue *queue = &icsk->icsk_accept_queue; 420 struct request_sock_queue *queue = &icsk->icsk_accept_queue;
421 struct listen_sock *lopt = queue->listen_opt; 421 struct listen_sock *lopt = queue->listen_opt;
422 int thresh = icsk->icsk_syn_retries ? : sysctl_tcp_synack_retries; 422 int max_retries = icsk->icsk_syn_retries ? : sysctl_tcp_synack_retries;
423 int thresh = max_retries;
423 unsigned long now = jiffies; 424 unsigned long now = jiffies;
424 struct request_sock **reqp, *req; 425 struct request_sock **reqp, *req;
425 int i, budget; 426 int i, budget;
@@ -455,6 +456,9 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
455 } 456 }
456 } 457 }
457 458
459 if (queue->rskq_defer_accept)
460 max_retries = queue->rskq_defer_accept;
461
458 budget = 2 * (lopt->nr_table_entries / (timeout / interval)); 462 budget = 2 * (lopt->nr_table_entries / (timeout / interval));
459 i = lopt->clock_hand; 463 i = lopt->clock_hand;
460 464
@@ -462,8 +466,9 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
462 reqp=&lopt->syn_table[i]; 466 reqp=&lopt->syn_table[i];
463 while ((req = *reqp) != NULL) { 467 while ((req = *reqp) != NULL) {
464 if (time_after_eq(now, req->expires)) { 468 if (time_after_eq(now, req->expires)) {
465 if (req->retrans < thresh && 469 if ((req->retrans < (inet_rsk(req)->acked ? max_retries : thresh)) &&
466 !req->rsk_ops->rtx_syn_ack(parent, req)) { 470 (inet_rsk(req)->acked ||
471 !req->rsk_ops->rtx_syn_ack(parent, req))) {
467 unsigned long timeo; 472 unsigned long timeo;
468 473
469 if (req->retrans++ == 0) 474 if (req->retrans++ == 0)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index ab66683b8043..fc54a48fde1e 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2112,12 +2112,15 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
2112 break; 2112 break;
2113 2113
2114 case TCP_DEFER_ACCEPT: 2114 case TCP_DEFER_ACCEPT:
2115 if (val < 0) { 2115 icsk->icsk_accept_queue.rskq_defer_accept = 0;
2116 err = -EINVAL; 2116 if (val > 0) {
2117 } else { 2117 /* Translate value in seconds to number of
2118 if (val > MAX_TCP_ACCEPT_DEFERRED) 2118 * retransmits */
2119 val = MAX_TCP_ACCEPT_DEFERRED; 2119 while (icsk->icsk_accept_queue.rskq_defer_accept < 32 &&
2120 icsk->icsk_accept_queue.rskq_defer_accept = val; 2120 val > ((TCP_TIMEOUT_INIT / HZ) <<
2121 icsk->icsk_accept_queue.rskq_defer_accept))
2122 icsk->icsk_accept_queue.rskq_defer_accept++;
2123 icsk->icsk_accept_queue.rskq_defer_accept++;
2121 } 2124 }
2122 break; 2125 break;
2123 2126
@@ -2299,7 +2302,8 @@ static int do_tcp_getsockopt(struct sock *sk, int level,
2299 val = (val ? : sysctl_tcp_fin_timeout) / HZ; 2302 val = (val ? : sysctl_tcp_fin_timeout) / HZ;
2300 break; 2303 break;
2301 case TCP_DEFER_ACCEPT: 2304 case TCP_DEFER_ACCEPT:
2302 val = icsk->icsk_accept_queue.rskq_defer_accept; 2305 val = !icsk->icsk_accept_queue.rskq_defer_accept ? 0 :
2306 ((TCP_TIMEOUT_INIT / HZ) << (icsk->icsk_accept_queue.rskq_defer_accept - 1));
2303 break; 2307 break;
2304 case TCP_WINDOW_CLAMP: 2308 case TCP_WINDOW_CLAMP:
2305 val = tp->window_clamp; 2309 val = tp->window_clamp;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index eba873e9b560..cad73b7dfef0 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4541,49 +4541,6 @@ static void tcp_urg(struct sock *sk, struct sk_buff *skb, struct tcphdr *th)
4541 } 4541 }
4542} 4542}
4543 4543
4544static int tcp_defer_accept_check(struct sock *sk)
4545{
4546 struct tcp_sock *tp = tcp_sk(sk);
4547
4548 if (tp->defer_tcp_accept.request) {
4549 int queued_data = tp->rcv_nxt - tp->copied_seq;
4550 int hasfin = !skb_queue_empty(&sk->sk_receive_queue) ?
4551 tcp_hdr((struct sk_buff *)
4552 sk->sk_receive_queue.prev)->fin : 0;
4553
4554 if (queued_data && hasfin)
4555 queued_data--;
4556
4557 if (queued_data &&
4558 tp->defer_tcp_accept.listen_sk->sk_state == TCP_LISTEN) {
4559 if (sock_flag(sk, SOCK_KEEPOPEN)) {
4560 inet_csk_reset_keepalive_timer(sk,
4561 keepalive_time_when(tp));
4562 } else {
4563 inet_csk_delete_keepalive_timer(sk);
4564 }
4565
4566 inet_csk_reqsk_queue_add(
4567 tp->defer_tcp_accept.listen_sk,
4568 tp->defer_tcp_accept.request,
4569 sk);
4570
4571 tp->defer_tcp_accept.listen_sk->sk_data_ready(
4572 tp->defer_tcp_accept.listen_sk, 0);
4573
4574 sock_put(tp->defer_tcp_accept.listen_sk);
4575 sock_put(sk);
4576 tp->defer_tcp_accept.listen_sk = NULL;
4577 tp->defer_tcp_accept.request = NULL;
4578 } else if (hasfin ||
4579 tp->defer_tcp_accept.listen_sk->sk_state != TCP_LISTEN) {
4580 tcp_reset(sk);
4581 return -1;
4582 }
4583 }
4584 return 0;
4585}
4586
4587static int tcp_copy_to_iovec(struct sock *sk, struct sk_buff *skb, int hlen) 4544static int tcp_copy_to_iovec(struct sock *sk, struct sk_buff *skb, int hlen)
4588{ 4545{
4589 struct tcp_sock *tp = tcp_sk(sk); 4546 struct tcp_sock *tp = tcp_sk(sk);
@@ -4944,8 +4901,6 @@ step5:
4944 4901
4945 tcp_data_snd_check(sk); 4902 tcp_data_snd_check(sk);
4946 tcp_ack_snd_check(sk); 4903 tcp_ack_snd_check(sk);
4947
4948 tcp_defer_accept_check(sk);
4949 return 0; 4904 return 0;
4950 4905
4951csum_error: 4906csum_error:
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 4f8485c67d1a..97a230026e13 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1918,14 +1918,6 @@ int tcp_v4_destroy_sock(struct sock *sk)
1918 sk->sk_sndmsg_page = NULL; 1918 sk->sk_sndmsg_page = NULL;
1919 } 1919 }
1920 1920
1921 if (tp->defer_tcp_accept.request) {
1922 reqsk_free(tp->defer_tcp_accept.request);
1923 sock_put(tp->defer_tcp_accept.listen_sk);
1924 sock_put(sk);
1925 tp->defer_tcp_accept.listen_sk = NULL;
1926 tp->defer_tcp_accept.request = NULL;
1927 }
1928
1929 atomic_dec(&tcp_sockets_allocated); 1921 atomic_dec(&tcp_sockets_allocated);
1930 1922
1931 return 0; 1923 return 0;
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 019c8c16e5cc..8245247a6ceb 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -571,8 +571,10 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb,
571 does sequence test, SYN is truncated, and thus we consider 571 does sequence test, SYN is truncated, and thus we consider
572 it a bare ACK. 572 it a bare ACK.
573 573
574 Both ends (listening sockets) accept the new incoming 574 If icsk->icsk_accept_queue.rskq_defer_accept, we silently drop this
575 connection and try to talk to each other. 8-) 575 bare ACK. Otherwise, we create an established connection. Both
576 ends (listening sockets) accept the new incoming connection and try
577 to talk to each other. 8-)
576 578
577 Note: This case is both harmless, and rare. Possibility is about the 579 Note: This case is both harmless, and rare. Possibility is about the
578 same as us discovering intelligent life on another plant tomorrow. 580 same as us discovering intelligent life on another plant tomorrow.
@@ -640,6 +642,13 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb,
640 if (!(flg & TCP_FLAG_ACK)) 642 if (!(flg & TCP_FLAG_ACK))
641 return NULL; 643 return NULL;
642 644
645 /* If TCP_DEFER_ACCEPT is set, drop bare ACK. */
646 if (inet_csk(sk)->icsk_accept_queue.rskq_defer_accept &&
647 TCP_SKB_CB(skb)->end_seq == tcp_rsk(req)->rcv_isn + 1) {
648 inet_rsk(req)->acked = 1;
649 return NULL;
650 }
651
643 /* OK, ACK is valid, create big socket and 652 /* OK, ACK is valid, create big socket and
644 * feed this segment to it. It will repeat all 653 * feed this segment to it. It will repeat all
645 * the tests. THIS SEGMENT MUST MOVE SOCKET TO 654 * the tests. THIS SEGMENT MUST MOVE SOCKET TO
@@ -678,24 +687,7 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb,
678 inet_csk_reqsk_queue_unlink(sk, req, prev); 687 inet_csk_reqsk_queue_unlink(sk, req, prev);
679 inet_csk_reqsk_queue_removed(sk, req); 688 inet_csk_reqsk_queue_removed(sk, req);
680 689
681 if (inet_csk(sk)->icsk_accept_queue.rskq_defer_accept && 690 inet_csk_reqsk_queue_add(sk, req, child);
682 TCP_SKB_CB(skb)->end_seq == tcp_rsk(req)->rcv_isn + 1) {
683
684 /* the accept queue handling is done is est recv slow
685 * path so lets make sure to start there
686 */
687 tcp_sk(child)->pred_flags = 0;
688 sock_hold(sk);
689 sock_hold(child);
690 tcp_sk(child)->defer_tcp_accept.listen_sk = sk;
691 tcp_sk(child)->defer_tcp_accept.request = req;
692
693 inet_csk_reset_keepalive_timer(child,
694 inet_csk(sk)->icsk_accept_queue.rskq_defer_accept * HZ);
695 } else {
696 inet_csk_reqsk_queue_add(sk, req, child);
697 }
698
699 return child; 691 return child;
700 692
701 listen_overflow: 693 listen_overflow:
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 4de68cf5f2aa..63ed9d6830e7 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -489,11 +489,6 @@ static void tcp_keepalive_timer (unsigned long data)
489 goto death; 489 goto death;
490 } 490 }
491 491
492 if (tp->defer_tcp_accept.request && sk->sk_state == TCP_ESTABLISHED) {
493 tcp_send_active_reset(sk, GFP_ATOMIC);
494 goto death;
495 }
496
497 if (!sock_flag(sk, SOCK_KEEPOPEN) || sk->sk_state == TCP_CLOSE) 492 if (!sock_flag(sk, SOCK_KEEPOPEN) || sk->sk_state == TCP_CLOSE)
498 goto out; 493 goto out;
499 494
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index b9c2de84a8a2..0f0f94a40335 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -705,6 +705,11 @@ int datagram_send_ctl(struct net *net,
705 } 705 }
706 706
707 *hlimit = *(int *)CMSG_DATA(cmsg); 707 *hlimit = *(int *)CMSG_DATA(cmsg);
708 if (*hlimit < -1 || *hlimit > 0xff) {
709 err = -EINVAL;
710 goto exit_f;
711 }
712
708 break; 713 break;
709 714
710 case IPV6_TCLASS: 715 case IPV6_TCLASS:
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 26b83e512a09..c042ce19bd14 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -67,7 +67,7 @@ int ip6_ra_control(struct sock *sk, int sel, void (*destructor)(struct sock *))
67 67
68 /* RA packet may be delivered ONLY to IPPROTO_RAW socket */ 68 /* RA packet may be delivered ONLY to IPPROTO_RAW socket */
69 if (sk->sk_type != SOCK_RAW || inet_sk(sk)->num != IPPROTO_RAW) 69 if (sk->sk_type != SOCK_RAW || inet_sk(sk)->num != IPPROTO_RAW)
70 return -EINVAL; 70 return -ENOPROTOOPT;
71 71
72 new_ra = (sel>=0) ? kmalloc(sizeof(*new_ra), GFP_KERNEL) : NULL; 72 new_ra = (sel>=0) ? kmalloc(sizeof(*new_ra), GFP_KERNEL) : NULL;
73 73
@@ -446,7 +446,7 @@ done:
446 446
447 case IPV6_MULTICAST_HOPS: 447 case IPV6_MULTICAST_HOPS:
448 if (sk->sk_type == SOCK_STREAM) 448 if (sk->sk_type == SOCK_STREAM)
449 goto e_inval; 449 break;
450 if (optlen < sizeof(int)) 450 if (optlen < sizeof(int))
451 goto e_inval; 451 goto e_inval;
452 if (val > 255 || val < -1) 452 if (val > 255 || val < -1)
@@ -458,13 +458,15 @@ done:
458 case IPV6_MULTICAST_LOOP: 458 case IPV6_MULTICAST_LOOP:
459 if (optlen < sizeof(int)) 459 if (optlen < sizeof(int))
460 goto e_inval; 460 goto e_inval;
461 if (val != valbool)
462 goto e_inval;
461 np->mc_loop = valbool; 463 np->mc_loop = valbool;
462 retv = 0; 464 retv = 0;
463 break; 465 break;
464 466
465 case IPV6_MULTICAST_IF: 467 case IPV6_MULTICAST_IF:
466 if (sk->sk_type == SOCK_STREAM) 468 if (sk->sk_type == SOCK_STREAM)
467 goto e_inval; 469 break;
468 if (optlen < sizeof(int)) 470 if (optlen < sizeof(int))
469 goto e_inval; 471 goto e_inval;
470 472
@@ -860,7 +862,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
860 if (sk->sk_protocol != IPPROTO_UDP && 862 if (sk->sk_protocol != IPPROTO_UDP &&
861 sk->sk_protocol != IPPROTO_UDPLITE && 863 sk->sk_protocol != IPPROTO_UDPLITE &&
862 sk->sk_protocol != IPPROTO_TCP) 864 sk->sk_protocol != IPPROTO_TCP)
863 return -EINVAL; 865 return -ENOPROTOOPT;
864 if (sk->sk_state != TCP_ESTABLISHED) 866 if (sk->sk_state != TCP_ESTABLISHED)
865 return -ENOTCONN; 867 return -ENOTCONN;
866 val = sk->sk_family; 868 val = sk->sk_family;
@@ -874,6 +876,8 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
874 return -EINVAL; 876 return -EINVAL;
875 if (copy_from_user(&gsf, optval, GROUP_FILTER_SIZE(0))) 877 if (copy_from_user(&gsf, optval, GROUP_FILTER_SIZE(0)))
876 return -EFAULT; 878 return -EFAULT;
879 if (gsf.gf_group.ss_family != AF_INET6)
880 return -EADDRNOTAVAIL;
877 lock_sock(sk); 881 lock_sock(sk);
878 err = ip6_mc_msfget(sk, &gsf, 882 err = ip6_mc_msfget(sk, &gsf,
879 (struct group_filter __user *)optval, optlen); 883 (struct group_filter __user *)optval, optlen);
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 8fee9a15b2d3..3aee12310d94 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1169,7 +1169,8 @@ static int raw6_destroy(struct sock *sk)
1169 lock_sock(sk); 1169 lock_sock(sk);
1170 ip6_flush_pending_frames(sk); 1170 ip6_flush_pending_frames(sk);
1171 release_sock(sk); 1171 release_sock(sk);
1172 return 0; 1172
1173 return inet6_destroy_sock(sk);
1173} 1174}
1174 1175
1175static int rawv6_init_sk(struct sock *sk) 1176static int rawv6_init_sk(struct sock *sk)
@@ -1200,7 +1201,6 @@ struct proto rawv6_prot = {
1200 .disconnect = udp_disconnect, 1201 .disconnect = udp_disconnect,
1201 .ioctl = rawv6_ioctl, 1202 .ioctl = rawv6_ioctl,
1202 .init = rawv6_init_sk, 1203 .init = rawv6_init_sk,
1203 .destroy = inet6_destroy_sock,
1204 .setsockopt = rawv6_setsockopt, 1204 .setsockopt = rawv6_setsockopt,
1205 .getsockopt = rawv6_getsockopt, 1205 .getsockopt = rawv6_getsockopt,
1206 .sendmsg = rawv6_sendmsg, 1206 .sendmsg = rawv6_sendmsg,
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 220cffe9e63b..d1f3e19b06c7 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2196,8 +2196,12 @@ static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
2196 2196
2197 NLA_PUT_U32(skb, RTA_PRIORITY, rt->rt6i_metric); 2197 NLA_PUT_U32(skb, RTA_PRIORITY, rt->rt6i_metric);
2198 2198
2199 expires = (rt->rt6i_flags & RTF_EXPIRES) ? 2199 if (!(rt->rt6i_flags & RTF_EXPIRES))
2200 rt->rt6i_expires - jiffies : 0; 2200 expires = 0;
2201 else if (rt->rt6i_expires - jiffies < INT_MAX)
2202 expires = rt->rt6i_expires - jiffies;
2203 else
2204 expires = INT_MAX;
2201 2205
2202 if (rtnl_put_cacheinfo(skb, &rt->u.dst, 0, 0, 0, 2206 if (rtnl_put_cacheinfo(skb, &rt->u.dst, 0, 0, 0,
2203 expires, rt->u.dst.error) < 0) 2207 expires, rt->u.dst.error) < 0)
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index c4b1799da5d7..662c1ccfee26 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -196,8 +196,6 @@ destroy_conntrack(struct nf_conntrack *nfct)
196 if (l4proto && l4proto->destroy) 196 if (l4proto && l4proto->destroy)
197 l4proto->destroy(ct); 197 l4proto->destroy(ct);
198 198
199 nf_ct_ext_destroy(ct);
200
201 rcu_read_unlock(); 199 rcu_read_unlock();
202 200
203 spin_lock_bh(&nf_conntrack_lock); 201 spin_lock_bh(&nf_conntrack_lock);
@@ -520,6 +518,7 @@ static void nf_conntrack_free_rcu(struct rcu_head *head)
520 518
521void nf_conntrack_free(struct nf_conn *ct) 519void nf_conntrack_free(struct nf_conn *ct)
522{ 520{
521 nf_ct_ext_destroy(ct);
523 call_rcu(&ct->rcu, nf_conntrack_free_rcu); 522 call_rcu(&ct->rcu, nf_conntrack_free_rcu);
524} 523}
525EXPORT_SYMBOL_GPL(nf_conntrack_free); 524EXPORT_SYMBOL_GPL(nf_conntrack_free);
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index bc11d7092032..9fda6ee95a31 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -92,10 +92,6 @@ void nf_log_packet(int pf,
92 vsnprintf(prefix, sizeof(prefix), fmt, args); 92 vsnprintf(prefix, sizeof(prefix), fmt, args);
93 va_end(args); 93 va_end(args);
94 logger->logfn(pf, hooknum, skb, in, out, loginfo, prefix); 94 logger->logfn(pf, hooknum, skb, in, out, loginfo, prefix);
95 } else if (net_ratelimit()) {
96 printk(KERN_WARNING "nf_log_packet: can\'t log since "
97 "no backend logging module loaded in! Please either "
98 "load one, or disable logging explicitly\n");
99 } 95 }
100 rcu_read_unlock(); 96 rcu_read_unlock();
101} 97}