aboutsummaryrefslogtreecommitdiff
path: root/net/ipv6
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrconf.c4
-rw-r--r--net/ipv6/fib6_rules.c4
-rw-r--r--net/ipv6/ip6_input.c7
-rw-r--r--net/ipv6/ip6_output.c9
-rw-r--r--net/ipv6/ip6_tunnel.c4
-rw-r--r--net/ipv6/mcast.c19
-rw-r--r--net/ipv6/ndisc.c5
-rw-r--r--net/ipv6/proc.c10
-rw-r--r--net/ipv6/raw.c2
-rw-r--r--net/ipv6/sit.c97
-rw-r--r--net/ipv6/syncookies.c4
-rw-r--r--net/ipv6/tcp_ipv6.c9
12 files changed, 132 insertions, 42 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index a8218bc1806..31938e5fb22 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -503,7 +503,7 @@ static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
return 0;
if (!rtnl_trylock())
- return -ERESTARTSYS;
+ return restart_syscall();
if (p == &net->ipv6.devconf_all->forwarding) {
__s32 newf = net->ipv6.devconf_all->forwarding;
@@ -1520,6 +1520,8 @@ static int addrconf_ifid_infiniband(u8 *eui, struct net_device *dev)
int __ipv6_isatap_ifid(u8 *eui, __be32 addr)
{
+ if (addr == 0)
+ return -1;
eui[0] = (ipv4_is_zeronet(addr) || ipv4_is_private_10(addr) ||
ipv4_is_loopback(addr) || ipv4_is_linklocal_169(addr) ||
ipv4_is_private_172(addr) || ipv4_is_test_192(addr) ||
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index f5de3f9dc69..00a7a5e4ac9 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -151,7 +151,7 @@ static const struct nla_policy fib6_rule_policy[FRA_MAX+1] = {
};
static int fib6_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct fib_rule_hdr *frh,
+ struct fib_rule_hdr *frh,
struct nlattr **tb)
{
int err = -EINVAL;
@@ -211,7 +211,7 @@ static int fib6_rule_compare(struct fib_rule *rule, struct fib_rule_hdr *frh,
}
static int fib6_rule_fill(struct fib_rule *rule, struct sk_buff *skb,
- struct nlmsghdr *nlh, struct fib_rule_hdr *frh)
+ struct fib_rule_hdr *frh)
{
struct fib6_rule *rule6 = (struct fib6_rule *) rule;
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 8f04bd9da27..bc1a920c34a 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -70,7 +70,7 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
idev = __in6_dev_get(skb->dev);
- IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INRECEIVES);
+ IP6_UPD_PO_STATS_BH(net, idev, IPSTATS_MIB_IN, skb->len);
if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL ||
!idev || unlikely(idev->cnf.disable_ipv6)) {
@@ -242,8 +242,9 @@ int ip6_mc_input(struct sk_buff *skb)
struct ipv6hdr *hdr;
int deliver;
- IP6_INC_STATS_BH(dev_net(skb->dst->dev),
- ip6_dst_idev(skb->dst), IPSTATS_MIB_INMCASTPKTS);
+ IP6_UPD_PO_STATS_BH(dev_net(skb->dst->dev),
+ ip6_dst_idev(skb->dst), IPSTATS_MIB_INMCAST,
+ skb->len);
hdr = ipv6_hdr(skb);
deliver = ipv6_chk_mcast_addr(skb->dev, &hdr->daddr, NULL);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 9fb49c3b518..735a2bf4b5f 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -159,7 +159,8 @@ static int ip6_output2(struct sk_buff *skb)
}
}
- IP6_INC_STATS(dev_net(dev), idev, IPSTATS_MIB_OUTMCASTPKTS);
+ IP6_UPD_PO_STATS(dev_net(dev), idev, IPSTATS_MIB_OUTMCAST,
+ skb->len);
}
return NF_HOOK(PF_INET6, NF_INET_POST_ROUTING, skb, NULL, skb->dev,
@@ -275,8 +276,8 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
mtu = dst_mtu(dst);
if ((skb->len <= mtu) || skb->local_df || skb_is_gso(skb)) {
- IP6_INC_STATS(net, ip6_dst_idev(skb->dst),
- IPSTATS_MIB_OUTREQUESTS);
+ IP6_UPD_PO_STATS(net, ip6_dst_idev(skb->dst),
+ IPSTATS_MIB_OUT, skb->len);
return NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, dst->dev,
dst_output);
}
@@ -1516,7 +1517,7 @@ int ip6_push_pending_frames(struct sock *sk)
skb->mark = sk->sk_mark;
skb->dst = dst_clone(&rt->u.dst);
- IP6_INC_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUTREQUESTS);
+ IP6_UPD_PO_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
if (proto == IPPROTO_ICMPV6) {
struct inet6_dev *idev = ip6_dst_idev(skb->dst);
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index d994c55a5b1..af256d47fd3 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1100,8 +1100,8 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
struct ip6_tnl_parm *p = &t->parms;
struct flowi *fl = &t->fl;
- memcpy(&dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
- memcpy(&dev->broadcast, &p->raddr, sizeof(struct in6_addr));
+ memcpy(dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
+ memcpy(dev->broadcast, &p->raddr, sizeof(struct in6_addr));
/* Set up flowi template */
ipv6_addr_copy(&fl->fl6_src, &p->laddr);
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index a51fb33e686..4b48819a5b8 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1449,7 +1449,8 @@ static void mld_sendpack(struct sk_buff *skb)
int err;
struct flowi fl;
- IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTREQUESTS);
+ IP6_UPD_PO_STATS(net, idev, IPSTATS_MIB_OUT, skb->len);
+
payload_len = (skb->tail - skb->network_header) - sizeof(*pip6);
mldlen = skb->tail - skb->transport_header;
pip6->payload_len = htons(payload_len);
@@ -1473,13 +1474,15 @@ static void mld_sendpack(struct sk_buff *skb)
if (err)
goto err_out;
+ payload_len = skb->len;
+
err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dev,
dst_output);
out:
if (!err) {
ICMP6MSGOUT_INC_STATS_BH(net, idev, ICMPV6_MLD2_REPORT);
ICMP6_INC_STATS_BH(net, idev, ICMP6_MIB_OUTMSGS);
- IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_OUTMCASTPKTS);
+ IP6_UPD_PO_STATS_BH(net, idev, IPSTATS_MIB_OUTMCAST, payload_len);
} else
IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_OUTDISCARDS);
@@ -1773,10 +1776,6 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
IPV6_TLV_PADN, 0 };
struct flowi fl;
- rcu_read_lock();
- IP6_INC_STATS(net, __in6_dev_get(dev),
- IPSTATS_MIB_OUTREQUESTS);
- rcu_read_unlock();
if (type == ICMPV6_MGM_REDUCTION)
snd_addr = &in6addr_linklocal_allrouters;
else
@@ -1786,6 +1785,11 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
payload_len = len + sizeof(ra);
full_len = sizeof(struct ipv6hdr) + payload_len;
+ rcu_read_lock();
+ IP6_UPD_PO_STATS(net, __in6_dev_get(dev),
+ IPSTATS_MIB_OUT, full_len);
+ rcu_read_unlock();
+
skb = sock_alloc_send_skb(sk, LL_ALLOCATED_SPACE(dev) + full_len, 1, &err);
if (skb == NULL) {
@@ -1838,13 +1842,14 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
if (err)
goto err_out;
+
err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dev,
dst_output);
out:
if (!err) {
ICMP6MSGOUT_INC_STATS(net, idev, type);
ICMP6_INC_STATS(net, idev, ICMP6_MIB_OUTMSGS);
- IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTMCASTPKTS);
+ IP6_UPD_PO_STATS(net, idev, IPSTATS_MIB_OUTMCAST, full_len);
} else
IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTDISCARDS);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 9f061d1adbc..e09f12ee57c 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -533,7 +533,7 @@ void ndisc_send_skb(struct sk_buff *skb,
skb->dst = dst;
idev = in6_dev_get(dst->dev);
- IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTREQUESTS);
+ IP6_UPD_PO_STATS(net, idev, IPSTATS_MIB_OUT, skb->len);
err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, dst->dev,
dst_output);
@@ -658,6 +658,7 @@ void ndisc_send_rs(struct net_device *dev, const struct in6_addr *saddr,
&icmp6h, NULL,
send_sllao ? ND_OPT_SOURCE_LL_ADDR : 0);
}
+EXPORT_SYMBOL(ndisc_send_rs);
static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb)
@@ -1613,7 +1614,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
buff->dst = dst;
idev = in6_dev_get(dst->dev);
- IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTREQUESTS);
+ IP6_UPD_PO_STATS(net, idev, IPSTATS_MIB_OUT, skb->len);
err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, buff, NULL, dst->dev,
dst_output);
if (!err) {
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 97c17fdd6f7..590ddefb7ff 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -61,7 +61,7 @@ static const struct file_operations sockstat6_seq_fops = {
static struct snmp_mib snmp6_ipstats_list[] = {
/* ipv6 mib according to RFC 2465 */
- SNMP_MIB_ITEM("Ip6InReceives", IPSTATS_MIB_INRECEIVES),
+ SNMP_MIB_ITEM("Ip6InReceives", IPSTATS_MIB_INPKTS),
SNMP_MIB_ITEM("Ip6InHdrErrors", IPSTATS_MIB_INHDRERRORS),
SNMP_MIB_ITEM("Ip6InTooBigErrors", IPSTATS_MIB_INTOOBIGERRORS),
SNMP_MIB_ITEM("Ip6InNoRoutes", IPSTATS_MIB_INNOROUTES),
@@ -71,7 +71,7 @@ static struct snmp_mib snmp6_ipstats_list[] = {
SNMP_MIB_ITEM("Ip6InDiscards", IPSTATS_MIB_INDISCARDS),
SNMP_MIB_ITEM("Ip6InDelivers", IPSTATS_MIB_INDELIVERS),
SNMP_MIB_ITEM("Ip6OutForwDatagrams", IPSTATS_MIB_OUTFORWDATAGRAMS),
- SNMP_MIB_ITEM("Ip6OutRequests", IPSTATS_MIB_OUTREQUESTS),
+ SNMP_MIB_ITEM("Ip6OutRequests", IPSTATS_MIB_OUTPKTS),
SNMP_MIB_ITEM("Ip6OutDiscards", IPSTATS_MIB_OUTDISCARDS),
SNMP_MIB_ITEM("Ip6OutNoRoutes", IPSTATS_MIB_OUTNOROUTES),
SNMP_MIB_ITEM("Ip6ReasmTimeout", IPSTATS_MIB_REASMTIMEOUT),
@@ -83,6 +83,12 @@ static struct snmp_mib snmp6_ipstats_list[] = {
SNMP_MIB_ITEM("Ip6FragCreates", IPSTATS_MIB_FRAGCREATES),
SNMP_MIB_ITEM("Ip6InMcastPkts", IPSTATS_MIB_INMCASTPKTS),
SNMP_MIB_ITEM("Ip6OutMcastPkts", IPSTATS_MIB_OUTMCASTPKTS),
+ SNMP_MIB_ITEM("Ip6InOctets", IPSTATS_MIB_INOCTETS),
+ SNMP_MIB_ITEM("Ip6OutOctets", IPSTATS_MIB_OUTOCTETS),
+ SNMP_MIB_ITEM("Ip6InMcastOctets", IPSTATS_MIB_INMCASTOCTETS),
+ SNMP_MIB_ITEM("Ip6OutMcastOctets", IPSTATS_MIB_OUTMCASTOCTETS),
+ SNMP_MIB_ITEM("Ip6InBcastOctets", IPSTATS_MIB_INBCASTOCTETS),
+ SNMP_MIB_ITEM("Ip6OutBcastOctets", IPSTATS_MIB_OUTBCASTOCTETS),
SNMP_MIB_SENTINEL
};
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 61f6827e590..e99307fba0b 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -638,7 +638,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
if (err)
goto error_fault;
- IP6_INC_STATS(sock_net(sk), rt->rt6i_idev, IPSTATS_MIB_OUTREQUESTS);
+ IP6_UPD_PO_STATS(sock_net(sk), rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, rt->u.dst.dev,
dst_output);
if (err > 0)
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 664ab82e03b..b3a59bd40f0 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -15,6 +15,7 @@
* Roger Venning <r.venning@telstra.com>: 6to4 support
* Nate Thompson <nate@thebog.net>: 6to4 support
* Fred Templin <fred.l.templin@boeing.com>: isatap support
+ * Sascha Hlusiak <mail@saschahlusiak.de>: stateless autoconf for isatap
*/
#include <linux/module.h>
@@ -80,7 +81,7 @@ struct sit_net {
static DEFINE_RWLOCK(ipip6_lock);
static struct ip_tunnel * ipip6_tunnel_lookup(struct net *net,
- __be32 remote, __be32 local)
+ struct net_device *dev, __be32 remote, __be32 local)
{
unsigned h0 = HASH(remote);
unsigned h1 = HASH(local);
@@ -89,18 +90,25 @@ static struct ip_tunnel * ipip6_tunnel_lookup(struct net *net,
for (t = sitn->tunnels_r_l[h0^h1]; t; t = t->next) {
if (local == t->parms.iph.saddr &&
- remote == t->parms.iph.daddr && (t->dev->flags&IFF_UP))
+ remote == t->parms.iph.daddr &&
+ (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
+ (t->dev->flags & IFF_UP))
return t;
}
for (t = sitn->tunnels_r[h0]; t; t = t->next) {
- if (remote == t->parms.iph.daddr && (t->dev->flags&IFF_UP))
+ if (remote == t->parms.iph.daddr &&
+ (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
+ (t->dev->flags & IFF_UP))
return t;
}
for (t = sitn->tunnels_l[h1]; t; t = t->next) {
- if (local == t->parms.iph.saddr && (t->dev->flags&IFF_UP))
+ if (local == t->parms.iph.saddr &&
+ (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
+ (t->dev->flags & IFF_UP))
return t;
}
- if ((t = sitn->tunnels_wc[0]) != NULL && (t->dev->flags&IFF_UP))
+ t = sitn->tunnels_wc[0];
+ if ((t != NULL) && (t->dev->flags & IFF_UP))
return t;
return NULL;
}
@@ -165,8 +173,14 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
struct sit_net *sitn = net_generic(net, sit_net_id);
for (tp = __ipip6_bucket(sitn, parms); (t = *tp) != NULL; tp = &t->next) {
- if (local == t->parms.iph.saddr && remote == t->parms.iph.daddr)
- return t;
+ if (local == t->parms.iph.saddr &&
+ remote == t->parms.iph.daddr &&
+ parms->link == t->parms.link) {
+ if (create)
+ return NULL;
+ else
+ return t;
+ }
}
if (!create)
goto failed;
@@ -209,6 +223,44 @@ failed:
return NULL;
}
+static void ipip6_tunnel_rs_timer(unsigned long data)
+{
+ struct ip_tunnel_prl_entry *p = (struct ip_tunnel_prl_entry *) data;
+ struct inet6_dev *ifp;
+ struct inet6_ifaddr *addr;
+
+ spin_lock(&p->lock);
+ ifp = __in6_dev_get(p->tunnel->dev);
+
+ read_lock_bh(&ifp->lock);
+ for (addr = ifp->addr_list; addr; addr = addr->if_next) {
+ struct in6_addr rtr;
+
+ if (!(ipv6_addr_type(&addr->addr) & IPV6_ADDR_LINKLOCAL))
+ continue;
+
+ /* Send RS to guessed linklocal address of router
+ *
+ * Better: send to ff02::2 encapsuled in unicast directly
+ * to router-v4 instead of guessing the v6 address.
+ *
+ * Cisco/Windows seem to not set the u/l bit correctly,
+ * so we won't guess right.
+ */
+ ipv6_addr_set(&rtr, htonl(0xFE800000), 0, 0, 0);
+ if (!__ipv6_isatap_ifid(rtr.s6_addr + 8,
+ p->addr)) {
+ ndisc_send_rs(p->tunnel->dev, &addr->addr, &rtr);
+ }
+ }
+ read_unlock_bh(&ifp->lock);
+
+ mod_timer(&p->rs_timer, jiffies + HZ * p->rs_delay);
+ spin_unlock(&p->lock);
+
+ return;
+}
+
static struct ip_tunnel_prl_entry *
__ipip6_tunnel_locate_prl(struct ip_tunnel *t, __be32 addr)
{
@@ -267,6 +319,7 @@ static int ipip6_tunnel_get_prl(struct ip_tunnel *t,
continue;
kp[c].addr = prl->addr;
kp[c].flags = prl->flags;
+ kp[c].rs_delay = prl->rs_delay;
c++;
if (kprl.addr != htonl(INADDR_ANY))
break;
@@ -316,11 +369,23 @@ ipip6_tunnel_add_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a, int chg)
}
p->next = t->prl;
+ p->tunnel = t;
t->prl = p;
t->prl_count++;
+
+ spin_lock_init(&p->lock);
+ setup_timer(&p->rs_timer, ipip6_tunnel_rs_timer, (unsigned long) p);
update:
p->addr = a->addr;
p->flags = a->flags;
+ p->rs_delay = a->rs_delay;
+ if (p->rs_delay == 0)
+ p->rs_delay = IPTUNNEL_RS_DEFAULT_DELAY;
+ spin_lock(&p->lock);
+ del_timer(&p->rs_timer);
+ if (p->flags & PRL_DEFAULT)
+ mod_timer(&p->rs_timer, jiffies + 1);
+ spin_unlock(&p->lock);
out:
write_unlock(&ipip6_lock);
return err;
@@ -339,6 +404,9 @@ ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
if ((*p)->addr == a->addr) {
x = *p;
*p = x->next;
+ spin_lock(&x->lock);
+ del_timer(&x->rs_timer);
+ spin_unlock(&x->lock);
kfree(x);
t->prl_count--;
goto out;
@@ -349,13 +417,16 @@ ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
while (t->prl) {
x = t->prl;
t->prl = t->prl->next;
+ spin_lock(&x->lock);
+ del_timer(&x->rs_timer);
+ spin_unlock(&x->lock);
kfree(x);
t->prl_count--;
}
}
out:
write_unlock(&ipip6_lock);
- return 0;
+ return err;
}
static int
@@ -446,7 +517,10 @@ static int ipip6_err(struct sk_buff *skb, u32 info)
err = -ENOENT;
read_lock(&ipip6_lock);
- t = ipip6_tunnel_lookup(dev_net(skb->dev), iph->daddr, iph->saddr);
+ t = ipip6_tunnel_lookup(dev_net(skb->dev),
+ skb->dev,
+ iph->daddr,
+ iph->saddr);
if (t == NULL || t->parms.iph.daddr == 0)
goto out;
@@ -481,8 +555,9 @@ static int ipip6_rcv(struct sk_buff *skb)
iph = ip_hdr(skb);
read_lock(&ipip6_lock);
- if ((tunnel = ipip6_tunnel_lookup(dev_net(skb->dev),
- iph->saddr, iph->daddr)) != NULL) {
+ tunnel = ipip6_tunnel_lookup(dev_net(skb->dev), skb->dev,
+ iph->saddr, iph->daddr);
+ if (tunnel != NULL) {
secpath_reset(skb);
skb->mac_header = skb->network_header;
skb_reset_network_header(skb);
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 711175e0571..8c2513982b6 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -131,7 +131,7 @@ __u32 cookie_v6_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mssp)
int mssind;
const __u16 mss = *mssp;
- tcp_sk(sk)->last_synq_overflow = jiffies;
+ tcp_synq_overflow(sk);
for (mssind = 0; mss > msstab[mssind + 1]; mssind++)
;
@@ -175,7 +175,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
if (!sysctl_tcp_syncookies || !th->ack)
goto out;
- if (time_after(jiffies, tp->last_synq_overflow + TCP_TIMEOUT_INIT) ||
+ if (tcp_synq_no_recent_overflow(sk) ||
(mss = cookie_check(skb, cookie)) == 0) {
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESFAILED);
goto out;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 4b5aa185426..ea37741062a 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -941,9 +941,10 @@ static int tcp_v6_gso_send_check(struct sk_buff *skb)
return 0;
}
-struct sk_buff **tcp6_gro_receive(struct sk_buff **head, struct sk_buff *skb)
+static struct sk_buff **tcp6_gro_receive(struct sk_buff **head,
+ struct sk_buff *skb)
{
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ struct ipv6hdr *iph = skb_gro_network_header(skb);
switch (skb->ip_summed) {
case CHECKSUM_COMPLETE:
@@ -961,9 +962,8 @@ struct sk_buff **tcp6_gro_receive(struct sk_buff **head, struct sk_buff *skb)
return tcp_gro_receive(head, skb);
}
-EXPORT_SYMBOL(tcp6_gro_receive);
-int tcp6_gro_complete(struct sk_buff *skb)
+static int tcp6_gro_complete(struct sk_buff *skb)
{
struct ipv6hdr *iph = ipv6_hdr(skb);
struct tcphdr *th = tcp_hdr(skb);
@@ -974,7 +974,6 @@ int tcp6_gro_complete(struct sk_buff *skb)
return tcp_gro_complete(skb);
}
-EXPORT_SYMBOL(tcp6_gro_complete);
static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
u32 ts, struct tcp_md5sig_key *key, int rst)
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-12 18:58:24 +0000