aboutsummaryrefslogtreecommitdiffstats
path: root/net/ipv4
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2008-05-06 10:49:20 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-06 10:49:20 -0400
commit4880d10927c93d858d40e297361fff375ee98492 (patch)
tree05568234832389c4a357281da3a4f047841b59d4 /net/ipv4
parenta15306365a16380f3bafee9e181ba01231d4acd7 (diff)
parent9d1045ad68fcccfaf1393cc463ab6357693e8d1d (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net_cls_act: act_simple dont ignore realloc code iwlwifi: make IWLWIFI a tristate Revert "atm: Do not free already unregistered net device." dccp: return -EINVAL on invalid feature length irda: fix !PNP support for drivers/net/irda/smsc-ircc2.c irda: fix !PNP support in drivers/net/irda/nsc-ircc.c net_cls_act: Make act_simple use of netlink policy. ip: Use inline function dst_metric() instead of direct access to dst->metric[] ip: Make use of the inline function dst_metric_locked() atm: Bad locking on br2684_devs modifications. atm: Do not free already unregistered net device. mac80211: Do not free net device after it is unregistered. bridge: Consolidate error paths in br_add_bridge(). bridge: Net device leak in br_add_bridge(). niu: Fix probing regression for maramba on-board chips. lapbeth: Release ->ethdev when unregistering device. xfrm: convert empty xfrm_audit_* macros to functions net: Fix useless comment reference loop. sch_htb: remove from event queue in htb_parent_to_leaf()
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/route.c18
-rw-r--r--net/ipv4/tcp_input.c15
2 files changed, 17 insertions, 16 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 5e3685c5c407..92f90ae46f4a 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1468,14 +1468,14 @@ unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph,
1468 1468
1469 /* BSD 4.2 compatibility hack :-( */ 1469 /* BSD 4.2 compatibility hack :-( */
1470 if (mtu == 0 && 1470 if (mtu == 0 &&
1471 old_mtu >= rth->u.dst.metrics[RTAX_MTU-1] && 1471 old_mtu >= dst_metric(&rth->u.dst, RTAX_MTU) &&
1472 old_mtu >= 68 + (iph->ihl << 2)) 1472 old_mtu >= 68 + (iph->ihl << 2))
1473 old_mtu -= iph->ihl << 2; 1473 old_mtu -= iph->ihl << 2;
1474 1474
1475 mtu = guess_mtu(old_mtu); 1475 mtu = guess_mtu(old_mtu);
1476 } 1476 }
1477 if (mtu <= rth->u.dst.metrics[RTAX_MTU-1]) { 1477 if (mtu <= dst_metric(&rth->u.dst, RTAX_MTU)) {
1478 if (mtu < rth->u.dst.metrics[RTAX_MTU-1]) { 1478 if (mtu < dst_metric(&rth->u.dst, RTAX_MTU)) {
1479 dst_confirm(&rth->u.dst); 1479 dst_confirm(&rth->u.dst);
1480 if (mtu < ip_rt_min_pmtu) { 1480 if (mtu < ip_rt_min_pmtu) {
1481 mtu = ip_rt_min_pmtu; 1481 mtu = ip_rt_min_pmtu;
@@ -1497,7 +1497,7 @@ unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph,
1497 1497
1498static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu) 1498static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
1499{ 1499{
1500 if (dst->metrics[RTAX_MTU-1] > mtu && mtu >= 68 && 1500 if (dst_metric(dst, RTAX_MTU) > mtu && mtu >= 68 &&
1501 !(dst_metric_locked(dst, RTAX_MTU))) { 1501 !(dst_metric_locked(dst, RTAX_MTU))) {
1502 if (mtu < ip_rt_min_pmtu) { 1502 if (mtu < ip_rt_min_pmtu) {
1503 mtu = ip_rt_min_pmtu; 1503 mtu = ip_rt_min_pmtu;
@@ -1613,7 +1613,7 @@ static void rt_set_nexthop(struct rtable *rt, struct fib_result *res, u32 itag)
1613 sizeof(rt->u.dst.metrics)); 1613 sizeof(rt->u.dst.metrics));
1614 if (fi->fib_mtu == 0) { 1614 if (fi->fib_mtu == 0) {
1615 rt->u.dst.metrics[RTAX_MTU-1] = rt->u.dst.dev->mtu; 1615 rt->u.dst.metrics[RTAX_MTU-1] = rt->u.dst.dev->mtu;
1616 if (rt->u.dst.metrics[RTAX_LOCK-1] & (1 << RTAX_MTU) && 1616 if (dst_metric_locked(&rt->u.dst, RTAX_MTU) &&
1617 rt->rt_gateway != rt->rt_dst && 1617 rt->rt_gateway != rt->rt_dst &&
1618 rt->u.dst.dev->mtu > 576) 1618 rt->u.dst.dev->mtu > 576)
1619 rt->u.dst.metrics[RTAX_MTU-1] = 576; 1619 rt->u.dst.metrics[RTAX_MTU-1] = 576;
@@ -1624,14 +1624,14 @@ static void rt_set_nexthop(struct rtable *rt, struct fib_result *res, u32 itag)
1624 } else 1624 } else
1625 rt->u.dst.metrics[RTAX_MTU-1]= rt->u.dst.dev->mtu; 1625 rt->u.dst.metrics[RTAX_MTU-1]= rt->u.dst.dev->mtu;
1626 1626
1627 if (rt->u.dst.metrics[RTAX_HOPLIMIT-1] == 0) 1627 if (dst_metric(&rt->u.dst, RTAX_HOPLIMIT) == 0)
1628 rt->u.dst.metrics[RTAX_HOPLIMIT-1] = sysctl_ip_default_ttl; 1628 rt->u.dst.metrics[RTAX_HOPLIMIT-1] = sysctl_ip_default_ttl;
1629 if (rt->u.dst.metrics[RTAX_MTU-1] > IP_MAX_MTU) 1629 if (dst_metric(&rt->u.dst, RTAX_MTU) > IP_MAX_MTU)
1630 rt->u.dst.metrics[RTAX_MTU-1] = IP_MAX_MTU; 1630 rt->u.dst.metrics[RTAX_MTU-1] = IP_MAX_MTU;
1631 if (rt->u.dst.metrics[RTAX_ADVMSS-1] == 0) 1631 if (dst_metric(&rt->u.dst, RTAX_ADVMSS) == 0)
1632 rt->u.dst.metrics[RTAX_ADVMSS-1] = max_t(unsigned int, rt->u.dst.dev->mtu - 40, 1632 rt->u.dst.metrics[RTAX_ADVMSS-1] = max_t(unsigned int, rt->u.dst.dev->mtu - 40,
1633 ip_rt_min_advmss); 1633 ip_rt_min_advmss);
1634 if (rt->u.dst.metrics[RTAX_ADVMSS-1] > 65535 - 40) 1634 if (dst_metric(&rt->u.dst, RTAX_ADVMSS) > 65535 - 40)
1635 rt->u.dst.metrics[RTAX_ADVMSS-1] = 65535 - 40; 1635 rt->u.dst.metrics[RTAX_ADVMSS-1] = 65535 - 40;
1636 1636
1637#ifdef CONFIG_NET_CLS_ROUTE 1637#ifdef CONFIG_NET_CLS_ROUTE
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index eda4f4a233f3..8ac15a604e08 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -66,6 +66,7 @@
66#include <linux/mm.h> 66#include <linux/mm.h>
67#include <linux/module.h> 67#include <linux/module.h>
68#include <linux/sysctl.h> 68#include <linux/sysctl.h>
69#include <net/dst.h>
69#include <net/tcp.h> 70#include <net/tcp.h>
70#include <net/inet_common.h> 71#include <net/inet_common.h>
71#include <linux/ipsec.h> 72#include <linux/ipsec.h>
@@ -605,7 +606,7 @@ static u32 tcp_rto_min(struct sock *sk)
605 u32 rto_min = TCP_RTO_MIN; 606 u32 rto_min = TCP_RTO_MIN;
606 607
607 if (dst && dst_metric_locked(dst, RTAX_RTO_MIN)) 608 if (dst && dst_metric_locked(dst, RTAX_RTO_MIN))
608 rto_min = dst->metrics[RTAX_RTO_MIN - 1]; 609 rto_min = dst_metric(dst, RTAX_RTO_MIN);
609 return rto_min; 610 return rto_min;
610} 611}
611 612
@@ -769,7 +770,7 @@ void tcp_update_metrics(struct sock *sk)
769 dst->metrics[RTAX_RTTVAR - 1] = m; 770 dst->metrics[RTAX_RTTVAR - 1] = m;
770 else 771 else
771 dst->metrics[RTAX_RTTVAR-1] -= 772 dst->metrics[RTAX_RTTVAR-1] -=
772 (dst->metrics[RTAX_RTTVAR-1] - m)>>2; 773 (dst_metric(dst, RTAX_RTTVAR) - m)>>2;
773 } 774 }
774 775
775 if (tp->snd_ssthresh >= 0xFFFF) { 776 if (tp->snd_ssthresh >= 0xFFFF) {
@@ -788,21 +789,21 @@ void tcp_update_metrics(struct sock *sk)
788 dst->metrics[RTAX_SSTHRESH-1] = 789 dst->metrics[RTAX_SSTHRESH-1] =
789 max(tp->snd_cwnd >> 1, tp->snd_ssthresh); 790 max(tp->snd_cwnd >> 1, tp->snd_ssthresh);
790 if (!dst_metric_locked(dst, RTAX_CWND)) 791 if (!dst_metric_locked(dst, RTAX_CWND))
791 dst->metrics[RTAX_CWND-1] = (dst->metrics[RTAX_CWND-1] + tp->snd_cwnd) >> 1; 792 dst->metrics[RTAX_CWND-1] = (dst_metric(dst, RTAX_CWND) + tp->snd_cwnd) >> 1;
792 } else { 793 } else {
793 /* Else slow start did not finish, cwnd is non-sense, 794 /* Else slow start did not finish, cwnd is non-sense,
794 ssthresh may be also invalid. 795 ssthresh may be also invalid.
795 */ 796 */
796 if (!dst_metric_locked(dst, RTAX_CWND)) 797 if (!dst_metric_locked(dst, RTAX_CWND))
797 dst->metrics[RTAX_CWND-1] = (dst->metrics[RTAX_CWND-1] + tp->snd_ssthresh) >> 1; 798 dst->metrics[RTAX_CWND-1] = (dst_metric(dst, RTAX_CWND) + tp->snd_ssthresh) >> 1;
798 if (dst->metrics[RTAX_SSTHRESH-1] && 799 if (dst_metric(dst, RTAX_SSTHRESH) &&
799 !dst_metric_locked(dst, RTAX_SSTHRESH) && 800 !dst_metric_locked(dst, RTAX_SSTHRESH) &&
800 tp->snd_ssthresh > dst->metrics[RTAX_SSTHRESH-1]) 801 tp->snd_ssthresh > dst_metric(dst, RTAX_SSTHRESH))
801 dst->metrics[RTAX_SSTHRESH-1] = tp->snd_ssthresh; 802 dst->metrics[RTAX_SSTHRESH-1] = tp->snd_ssthresh;
802 } 803 }
803 804
804 if (!dst_metric_locked(dst, RTAX_REORDERING)) { 805 if (!dst_metric_locked(dst, RTAX_REORDERING)) {
805 if (dst->metrics[RTAX_REORDERING-1] < tp->reordering && 806 if (dst_metric(dst, RTAX_REORDERING) < tp->reordering &&
806 tp->reordering != sysctl_tcp_reordering) 807 tp->reordering != sysctl_tcp_reordering)
807 dst->metrics[RTAX_REORDERING-1] = tp->reordering; 808 dst->metrics[RTAX_REORDERING-1] = tp->reordering;
808 } 809 }