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authorDavid S. Miller <davem@davemloft.net>2010-06-06 20:42:02 -0400
committerDavid S. Miller <davem@davemloft.net>2010-06-06 20:42:02 -0400
commiteedc765ca4b19a41cf0b921a492ac08d640060d1 (patch)
tree95c566c6238cc953e1e336115d2daafe8bcb388f /net/ipv4
parente59d44df46edaafb6b637e98d046775524b31104 (diff)
parent024a07bacf8287a6ddfa83e9d5b951c5e8b4070e (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/sfc/net_driver.h drivers/net/sfc/siena.c
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/Kconfig10
-rw-r--r--net/ipv4/netfilter/ip_tables.c2
-rw-r--r--net/ipv4/syncookies.c2
-rw-r--r--net/ipv4/tcp_hybla.c4
-rw-r--r--net/ipv4/tcp_input.c4
-rw-r--r--net/ipv4/tcp_ipv4.c7
-rw-r--r--net/ipv4/udp.c6
7 files changed, 17 insertions, 18 deletions
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 8e3a1fd938ab..7c3a7d191249 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -303,7 +303,7 @@ config ARPD
303 If unsure, say N. 303 If unsure, say N.
304 304
305config SYN_COOKIES 305config SYN_COOKIES
306 bool "IP: TCP syncookie support (disabled per default)" 306 bool "IP: TCP syncookie support"
307 ---help--- 307 ---help---
308 Normal TCP/IP networking is open to an attack known as "SYN 308 Normal TCP/IP networking is open to an attack known as "SYN
309 flooding". This denial-of-service attack prevents legitimate remote 309 flooding". This denial-of-service attack prevents legitimate remote
@@ -328,13 +328,13 @@ config SYN_COOKIES
328 server is really overloaded. If this happens frequently better turn 328 server is really overloaded. If this happens frequently better turn
329 them off. 329 them off.
330 330
331 If you say Y here, note that SYN cookies aren't enabled by default; 331 If you say Y here, you can disable SYN cookies at run time by
332 you can enable them by saying Y to "/proc file system support" and 332 saying Y to "/proc file system support" and
333 "Sysctl support" below and executing the command 333 "Sysctl support" below and executing the command
334 334
335 echo 1 >/proc/sys/net/ipv4/tcp_syncookies 335 echo 0 > /proc/sys/net/ipv4/tcp_syncookies
336 336
337 at boot time after the /proc file system has been mounted. 337 after the /proc file system has been mounted.
338 338
339 If unsure, say N. 339 If unsure, say N.
340 340
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 63958f3394a5..4b6c5ca610fc 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -336,7 +336,7 @@ ipt_do_table(struct sk_buff *skb,
336 cpu = smp_processor_id(); 336 cpu = smp_processor_id();
337 table_base = private->entries[cpu]; 337 table_base = private->entries[cpu];
338 jumpstack = (struct ipt_entry **)private->jumpstack[cpu]; 338 jumpstack = (struct ipt_entry **)private->jumpstack[cpu];
339 stackptr = &private->stackptr[cpu]; 339 stackptr = per_cpu_ptr(private->stackptr, cpu);
340 origptr = *stackptr; 340 origptr = *stackptr;
341 341
342 e = get_entry(table_base, private->hook_entry[hook]); 342 e = get_entry(table_base, private->hook_entry[hook]);
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index a7cbcc4b726b..5c48124332de 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -347,7 +347,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
347 { .sport = th->dest, 347 { .sport = th->dest,
348 .dport = th->source } } }; 348 .dport = th->source } } };
349 security_req_classify_flow(req, &fl); 349 security_req_classify_flow(req, &fl);
350 if (ip_route_output_key(&init_net, &rt, &fl)) { 350 if (ip_route_output_key(sock_net(sk), &rt, &fl)) {
351 reqsk_free(req); 351 reqsk_free(req);
352 goto out; 352 goto out;
353 } 353 }
diff --git a/net/ipv4/tcp_hybla.c b/net/ipv4/tcp_hybla.c
index c209e054a634..377bc9349371 100644
--- a/net/ipv4/tcp_hybla.c
+++ b/net/ipv4/tcp_hybla.c
@@ -126,8 +126,8 @@ static void hybla_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
126 * calculate 2^fract in a <<7 value. 126 * calculate 2^fract in a <<7 value.
127 */ 127 */
128 is_slowstart = 1; 128 is_slowstart = 1;
129 increment = ((1 << ca->rho) * hybla_fraction(rho_fractions)) 129 increment = ((1 << min(ca->rho, 16U)) *
130 - 128; 130 hybla_fraction(rho_fractions)) - 128;
131 } else { 131 } else {
132 /* 132 /*
133 * congestion avoidance 133 * congestion avoidance
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 3e6dafcb1071..548d575e6cc6 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2639,7 +2639,7 @@ static void DBGUNDO(struct sock *sk, const char *msg)
2639 if (sk->sk_family == AF_INET) { 2639 if (sk->sk_family == AF_INET) {
2640 printk(KERN_DEBUG "Undo %s %pI4/%u c%u l%u ss%u/%u p%u\n", 2640 printk(KERN_DEBUG "Undo %s %pI4/%u c%u l%u ss%u/%u p%u\n",
2641 msg, 2641 msg,
2642 &inet->daddr, ntohs(inet->dport), 2642 &inet->inet_daddr, ntohs(inet->inet_dport),
2643 tp->snd_cwnd, tcp_left_out(tp), 2643 tp->snd_cwnd, tcp_left_out(tp),
2644 tp->snd_ssthresh, tp->prior_ssthresh, 2644 tp->snd_ssthresh, tp->prior_ssthresh,
2645 tp->packets_out); 2645 tp->packets_out);
@@ -2649,7 +2649,7 @@ static void DBGUNDO(struct sock *sk, const char *msg)
2649 struct ipv6_pinfo *np = inet6_sk(sk); 2649 struct ipv6_pinfo *np = inet6_sk(sk);
2650 printk(KERN_DEBUG "Undo %s %pI6/%u c%u l%u ss%u/%u p%u\n", 2650 printk(KERN_DEBUG "Undo %s %pI6/%u c%u l%u ss%u/%u p%u\n",
2651 msg, 2651 msg,
2652 &np->daddr, ntohs(inet->dport), 2652 &np->daddr, ntohs(inet->inet_dport),
2653 tp->snd_cwnd, tcp_left_out(tp), 2653 tp->snd_cwnd, tcp_left_out(tp),
2654 tp->snd_ssthresh, tp->prior_ssthresh, 2654 tp->snd_ssthresh, tp->prior_ssthresh,
2655 tp->packets_out); 2655 tp->packets_out);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 6558dfd899da..acdc4c989853 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1557,6 +1557,7 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
1557#endif 1557#endif
1558 1558
1559 if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */ 1559 if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */
1560 sock_rps_save_rxhash(sk, skb->rxhash);
1560 TCP_CHECK_TIMER(sk); 1561 TCP_CHECK_TIMER(sk);
1561 if (tcp_rcv_established(sk, skb, tcp_hdr(skb), skb->len)) { 1562 if (tcp_rcv_established(sk, skb, tcp_hdr(skb), skb->len)) {
1562 rsk = sk; 1563 rsk = sk;
@@ -1581,7 +1582,9 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
1581 } 1582 }
1582 return 0; 1583 return 0;
1583 } 1584 }
1584 } 1585 } else
1586 sock_rps_save_rxhash(sk, skb->rxhash);
1587
1585 1588
1586 TCP_CHECK_TIMER(sk); 1589 TCP_CHECK_TIMER(sk);
1587 if (tcp_rcv_state_process(sk, skb, tcp_hdr(skb), skb->len)) { 1590 if (tcp_rcv_state_process(sk, skb, tcp_hdr(skb), skb->len)) {
@@ -1674,8 +1677,6 @@ process:
1674 1677
1675 skb->dev = NULL; 1678 skb->dev = NULL;
1676 1679
1677 sock_rps_save_rxhash(sk, skb->rxhash);
1678
1679 bh_lock_sock_nested(sk); 1680 bh_lock_sock_nested(sk);
1680 ret = 0; 1681 ret = 0;
1681 if (!sock_owned_by_user(sk)) { 1682 if (!sock_owned_by_user(sk)) {
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 50678f9a2763..eec4ff456e33 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -633,11 +633,9 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
633 if (!inet->recverr) { 633 if (!inet->recverr) {
634 if (!harderr || sk->sk_state != TCP_ESTABLISHED) 634 if (!harderr || sk->sk_state != TCP_ESTABLISHED)
635 goto out; 635 goto out;
636 } else { 636 } else
637 bh_lock_sock(sk);
638 ip_icmp_error(sk, skb, err, uh->dest, info, (u8 *)(uh+1)); 637 ip_icmp_error(sk, skb, err, uh->dest, info, (u8 *)(uh+1));
639 bh_unlock_sock(sk); 638
640 }
641 sk->sk_err = err; 639 sk->sk_err = err;
642 sk->sk_error_report(sk); 640 sk->sk_error_report(sk);
643out: 641out: