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-rw-r--r--net/ipv6/af_inet6.c4
-rw-r--r--net/ipv6/icmp.c17
-rw-r--r--net/ipv6/ip6_output.c18
-rw-r--r--net/ipv6/ip6_tunnel.c2
-rw-r--r--net/ipv6/ip6mr.c9
-rw-r--r--net/ipv6/ipv6_sockglue.c5
-rw-r--r--net/ipv6/ndisc.c24
-rw-r--r--net/ipv6/protocol.c15
-rw-r--r--net/ipv6/raw.c9
-rw-r--r--net/ipv6/route.c34
-rw-r--r--net/ipv6/sit.c5
-rw-r--r--net/ipv6/tcp_ipv6.c21
-rw-r--r--net/ipv6/udp.c17
13 files changed, 79 insertions, 101 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index bf85d5f9703..a123a328aeb 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -306,8 +306,10 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
v4addr != htonl(INADDR_ANY) &&
chk_addr_ret != RTN_LOCAL &&
chk_addr_ret != RTN_MULTICAST &&
- chk_addr_ret != RTN_BROADCAST)
+ chk_addr_ret != RTN_BROADCAST) {
+ err = -EADDRNOTAVAIL;
goto out;
+ }
} else {
if (addr_type != IPV6_ADDR_ANY) {
struct net_device *dev = NULL;
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index eab62a7a8f0..e2325f6a05f 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -323,7 +323,7 @@ void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
int iif = 0;
int addr_type = 0;
int len;
- int hlimit, tclass;
+ int hlimit;
int err = 0;
if ((u8 *)hdr < skb->head ||
@@ -469,10 +469,6 @@ route_done:
if (hlimit < 0)
hlimit = ip6_dst_hoplimit(dst);
- tclass = np->tclass;
- if (tclass < 0)
- tclass = 0;
-
msg.skb = skb;
msg.offset = skb_network_offset(skb);
msg.type = type;
@@ -488,8 +484,8 @@ route_done:
err = ip6_append_data(sk, icmpv6_getfrag, &msg,
len + sizeof(struct icmp6hdr),
- sizeof(struct icmp6hdr),
- hlimit, tclass, NULL, &fl, (struct rt6_info*)dst,
+ sizeof(struct icmp6hdr), hlimit,
+ np->tclass, NULL, &fl, (struct rt6_info*)dst,
MSG_DONTWAIT);
if (err) {
ip6_flush_pending_frames(sk);
@@ -522,7 +518,6 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
struct dst_entry *dst;
int err = 0;
int hlimit;
- int tclass;
saddr = &ipv6_hdr(skb)->daddr;
@@ -562,10 +557,6 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
if (hlimit < 0)
hlimit = ip6_dst_hoplimit(dst);
- tclass = np->tclass;
- if (tclass < 0)
- tclass = 0;
-
idev = in6_dev_get(skb->dev);
msg.skb = skb;
@@ -573,7 +564,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
msg.type = ICMPV6_ECHO_REPLY;
err = ip6_append_data(sk, icmpv6_getfrag, &msg, skb->len + sizeof(struct icmp6hdr),
- sizeof(struct icmp6hdr), hlimit, tclass, NULL, &fl,
+ sizeof(struct icmp6hdr), hlimit, np->tclass, NULL, &fl,
(struct rt6_info*)dst, MSG_DONTWAIT);
if (err) {
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 93beee94465..cd48801a8d6 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -194,7 +194,8 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
struct ipv6hdr *hdr;
u8 proto = fl->proto;
int seg_len = skb->len;
- int hlimit, tclass;
+ int hlimit = -1;
+ int tclass = 0;
u32 mtu;
if (opt) {
@@ -237,19 +238,13 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
/*
* Fill in the IPv6 header
*/
-
- hlimit = -1;
- if (np)
+ if (np) {
+ tclass = np->tclass;
hlimit = np->hop_limit;
+ }
if (hlimit < 0)
hlimit = ip6_dst_hoplimit(dst);
- tclass = -1;
- if (np)
- tclass = np->tclass;
- if (tclass < 0)
- tclass = 0;
-
*(__be32 *)hdr = htonl(0x60000000 | (tclass << 20)) | fl->fl6_flowlabel;
hdr->payload_len = htons(seg_len);
@@ -1516,7 +1511,7 @@ int ip6_push_pending_frames(struct sock *sk)
err = ip6_local_out(skb);
if (err) {
if (err > 0)
- err = np->recverr ? net_xmit_errno(err) : 0;
+ err = net_xmit_errno(err);
if (err)
goto error;
}
@@ -1525,6 +1520,7 @@ out:
ip6_cork_release(inet, np);
return err;
error:
+ IP6_INC_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
goto out;
}
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index a1d6045c469..7d25bbe3211 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1036,7 +1036,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
return 0;
}
-static int
+static netdev_tx_t
ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 07ded5075b3..5c8d73730c7 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -204,7 +204,7 @@ static int ip6mr_vif_seq_show(struct seq_file *seq, void *v)
return 0;
}
-static struct seq_operations ip6mr_vif_seq_ops = {
+static const struct seq_operations ip6mr_vif_seq_ops = {
.start = ip6mr_vif_seq_start,
.next = ip6mr_vif_seq_next,
.stop = ip6mr_vif_seq_stop,
@@ -217,7 +217,7 @@ static int ip6mr_vif_open(struct inode *inode, struct file *file)
sizeof(struct ipmr_vif_iter));
}
-static struct file_operations ip6mr_vif_fops = {
+static const struct file_operations ip6mr_vif_fops = {
.owner = THIS_MODULE,
.open = ip6mr_vif_open,
.read = seq_read,
@@ -341,7 +341,7 @@ static int ipmr_mfc_open(struct inode *inode, struct file *file)
sizeof(struct ipmr_mfc_iter));
}
-static struct file_operations ip6mr_mfc_fops = {
+static const struct file_operations ip6mr_mfc_fops = {
.owner = THIS_MODULE,
.open = ipmr_mfc_open,
.read = seq_read,
@@ -416,7 +416,8 @@ static struct inet6_protocol pim6_protocol = {
/* Service routines creating virtual interfaces: PIMREG */
-static int reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t reg_vif_xmit(struct sk_buff *skb,
+ struct net_device *dev)
{
struct net *net = dev_net(dev);
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index a7fdf9a27f1..f5e0682b402 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -315,6 +315,9 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
goto e_inval;
if (val < -1 || val > 0xff)
goto e_inval;
+ /* RFC 3542, 6.5: default traffic class of 0x0 */
+ if (val == -1)
+ val = 0;
np->tclass = val;
retv = 0;
break;
@@ -1037,8 +1040,6 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
case IPV6_TCLASS:
val = np->tclass;
- if (val < 0)
- val = 0;
break;
case IPV6_RECVTCLASS:
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 9eb68e92cc1..7015478797f 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -98,7 +98,7 @@ static int pndisc_constructor(struct pneigh_entry *n);
static void pndisc_destructor(struct pneigh_entry *n);
static void pndisc_redo(struct sk_buff *skb);
-static struct neigh_ops ndisc_generic_ops = {
+static const struct neigh_ops ndisc_generic_ops = {
.family = AF_INET6,
.solicit = ndisc_solicit,
.error_report = ndisc_error_report,
@@ -108,7 +108,7 @@ static struct neigh_ops ndisc_generic_ops = {
.queue_xmit = dev_queue_xmit,
};
-static struct neigh_ops ndisc_hh_ops = {
+static const struct neigh_ops ndisc_hh_ops = {
.family = AF_INET6,
.solicit = ndisc_solicit,
.error_report = ndisc_error_report,
@@ -119,7 +119,7 @@ static struct neigh_ops ndisc_hh_ops = {
};
-static struct neigh_ops ndisc_direct_ops = {
+static const struct neigh_ops ndisc_direct_ops = {
.family = AF_INET6,
.output = dev_queue_xmit,
.connected_output = dev_queue_xmit,
@@ -955,8 +955,8 @@ static void ndisc_recv_na(struct sk_buff *skb)
*/
if (skb->pkt_type != PACKET_LOOPBACK)
ND_PRINTK1(KERN_WARNING
- "ICMPv6 NA: someone advertises our address on %s!\n",
- ifp->idev->dev->name);
+ "ICMPv6 NA: someone advertises our address %pI6 on %s!\n",
+ &ifp->addr, ifp->idev->dev->name);
in6_ifa_put(ifp);
return;
}
@@ -1151,10 +1151,6 @@ static void ndisc_router_discovery(struct sk_buff *skb)
skb->dev->name);
return;
}
- if (in6_dev->cnf.forwarding || !in6_dev->cnf.accept_ra) {
- in6_dev_put(in6_dev);
- return;
- }
if (!ndisc_parse_options(opt, optlen, &ndopts)) {
in6_dev_put(in6_dev);
@@ -1163,6 +1159,10 @@ static void ndisc_router_discovery(struct sk_buff *skb)
return;
}
+ /* skip route and link configuration on routers */
+ if (in6_dev->cnf.forwarding || !in6_dev->cnf.accept_ra)
+ goto skip_linkparms;
+
#ifdef CONFIG_IPV6_NDISC_NODETYPE
/* skip link-specific parameters from interior routers */
if (skb->ndisc_nodetype == NDISC_NODETYPE_NODEFAULT)
@@ -1283,9 +1283,7 @@ skip_defrtr:
}
}
-#ifdef CONFIG_IPV6_NDISC_NODETYPE
skip_linkparms:
-#endif
/*
* Process options.
@@ -1312,6 +1310,10 @@ skip_linkparms:
NEIGH_UPDATE_F_ISROUTER);
}
+ /* skip route and link configuration on routers */
+ if (in6_dev->cnf.forwarding || !in6_dev->cnf.accept_ra)
+ goto out;
+
#ifdef CONFIG_IPV6_ROUTE_INFO
if (in6_dev->cnf.accept_ra_rtr_pref && ndopts.nd_opts_ri) {
struct nd_opt_hdr *p;
diff --git a/net/ipv6/protocol.c b/net/ipv6/protocol.c
index 9ab78915991..568864f722c 100644
--- a/net/ipv6/protocol.c
+++ b/net/ipv6/protocol.c
@@ -20,20 +20,9 @@
* - Removed unused variable 'inet6_protocol_base'
* - Modified inet6_del_protocol() to correctly maintain copy bit.
*/
-
-#include <linux/errno.h>
-#include <linux/types.h>
-#include <linux/socket.h>
-#include <linux/sockios.h>
-#include <linux/net.h>
-#include <linux/in6.h>
+#include <linux/module.h>
#include <linux/netdevice.h>
-#include <linux/if_arp.h>
-
-#include <net/sock.h>
-#include <net/snmp.h>
-
-#include <net/ipv6.h>
+#include <linux/spinlock.h>
#include <net/protocol.h>
struct inet6_protocol *inet6_protos[MAX_INET_PROTOS];
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index d6c3c1c34b2..7d675b8d82d 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -642,7 +642,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, rt->u.dst.dev,
dst_output);
if (err > 0)
- err = np->recverr ? net_xmit_errno(err) : 0;
+ err = net_xmit_errno(err);
if (err)
goto error;
out:
@@ -653,6 +653,8 @@ error_fault:
kfree_skb(skb);
error:
IP6_INC_STATS(sock_net(sk), rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
+ if (err == -ENOBUFS && !np->recverr)
+ err = 0;
return err;
}
@@ -877,11 +879,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
hlimit = ip6_dst_hoplimit(dst);
}
- if (tclass < 0) {
+ if (tclass < 0)
tclass = np->tclass;
- if (tclass < 0)
- tclass = 0;
- }
if (msg->msg_flags&MSG_CONFIRM)
goto do_confirm;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1473ee0a1f5..9ccfef34556 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -665,7 +665,7 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *dad
net->ipv6.sysctl.ip6_rt_gc_elasticity = 1;
net->ipv6.sysctl.ip6_rt_gc_min_interval = 0;
- ip6_dst_gc(net->ipv6.ip6_dst_ops);
+ ip6_dst_gc(&net->ipv6.ip6_dst_ops);
net->ipv6.sysctl.ip6_rt_gc_elasticity =
saved_rt_elasticity;
@@ -970,7 +970,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
if (unlikely(idev == NULL))
return NULL;
- rt = ip6_dst_alloc(net->ipv6.ip6_dst_ops);
+ rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops);
if (unlikely(rt == NULL)) {
in6_dev_put(idev);
goto out;
@@ -1060,7 +1060,7 @@ static void icmp6_clean_all(int (*func)(struct rt6_info *rt, void *arg),
static int ip6_dst_gc(struct dst_ops *ops)
{
unsigned long now = jiffies;
- struct net *net = ops->dst_net;
+ struct net *net = container_of(ops, struct net, ipv6.ip6_dst_ops);
int rt_min_interval = net->ipv6.sysctl.ip6_rt_gc_min_interval;
int rt_max_size = net->ipv6.sysctl.ip6_rt_max_size;
int rt_elasticity = net->ipv6.sysctl.ip6_rt_gc_elasticity;
@@ -1154,7 +1154,7 @@ int ip6_route_add(struct fib6_config *cfg)
goto out;
}
- rt = ip6_dst_alloc(net->ipv6.ip6_dst_ops);
+ rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops);
if (rt == NULL) {
err = -ENOMEM;
@@ -1643,7 +1643,7 @@ out:
static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
{
struct net *net = dev_net(ort->rt6i_dev);
- struct rt6_info *rt = ip6_dst_alloc(net->ipv6.ip6_dst_ops);
+ struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops);
if (rt) {
rt->u.dst.input = ort->u.dst.input;
@@ -1923,7 +1923,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
int anycast)
{
struct net *net = dev_net(idev->dev);
- struct rt6_info *rt = ip6_dst_alloc(net->ipv6.ip6_dst_ops);
+ struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops);
struct neighbour *neigh;
if (rt == NULL)
@@ -2501,7 +2501,7 @@ static int rt6_stats_seq_show(struct seq_file *seq, void *v)
net->ipv6.rt6_stats->fib_rt_alloc,
net->ipv6.rt6_stats->fib_rt_entries,
net->ipv6.rt6_stats->fib_rt_cache,
- atomic_read(&net->ipv6.ip6_dst_ops->entries),
+ atomic_read(&net->ipv6.ip6_dst_ops.entries),
net->ipv6.rt6_stats->fib_discarded_routes);
return 0;
@@ -2637,7 +2637,7 @@ struct ctl_table *ipv6_route_sysctl_init(struct net *net)
if (table) {
table[0].data = &net->ipv6.sysctl.flush_delay;
- table[1].data = &net->ipv6.ip6_dst_ops->gc_thresh;
+ table[1].data = &net->ipv6.ip6_dst_ops.gc_thresh;
table[2].data = &net->ipv6.sysctl.ip6_rt_max_size;
table[3].data = &net->ipv6.sysctl.ip6_rt_gc_min_interval;
table[4].data = &net->ipv6.sysctl.ip6_rt_gc_timeout;
@@ -2655,12 +2655,8 @@ static int ip6_route_net_init(struct net *net)
{
int ret = -ENOMEM;
- net->ipv6.ip6_dst_ops = kmemdup(&ip6_dst_ops_template,
- sizeof(*net->ipv6.ip6_dst_ops),
- GFP_KERNEL);
- if (!net->ipv6.ip6_dst_ops)
- goto out;
- net->ipv6.ip6_dst_ops->dst_net = hold_net(net);
+ memcpy(&net->ipv6.ip6_dst_ops, &ip6_dst_ops_template,
+ sizeof(net->ipv6.ip6_dst_ops));
net->ipv6.ip6_null_entry = kmemdup(&ip6_null_entry_template,
sizeof(*net->ipv6.ip6_null_entry),
@@ -2669,7 +2665,7 @@ static int ip6_route_net_init(struct net *net)
goto out_ip6_dst_ops;
net->ipv6.ip6_null_entry->u.dst.path =
(struct dst_entry *)net->ipv6.ip6_null_entry;
- net->ipv6.ip6_null_entry->u.dst.ops = net->ipv6.ip6_dst_ops;
+ net->ipv6.ip6_null_entry->u.dst.ops = &net->ipv6.ip6_dst_ops;
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
net->ipv6.ip6_prohibit_entry = kmemdup(&ip6_prohibit_entry_template,
@@ -2679,7 +2675,7 @@ static int ip6_route_net_init(struct net *net)
goto out_ip6_null_entry;
net->ipv6.ip6_prohibit_entry->u.dst.path =
(struct dst_entry *)net->ipv6.ip6_prohibit_entry;
- net->ipv6.ip6_prohibit_entry->u.dst.ops = net->ipv6.ip6_dst_ops;
+ net->ipv6.ip6_prohibit_entry->u.dst.ops = &net->ipv6.ip6_dst_ops;
net->ipv6.ip6_blk_hole_entry = kmemdup(&ip6_blk_hole_entry_template,
sizeof(*net->ipv6.ip6_blk_hole_entry),
@@ -2688,7 +2684,7 @@ static int ip6_route_net_init(struct net *net)
goto out_ip6_prohibit_entry;
net->ipv6.ip6_blk_hole_entry->u.dst.path =
(struct dst_entry *)net->ipv6.ip6_blk_hole_entry;
- net->ipv6.ip6_blk_hole_entry->u.dst.ops = net->ipv6.ip6_dst_ops;
+ net->ipv6.ip6_blk_hole_entry->u.dst.ops = &net->ipv6.ip6_dst_ops;
#endif
net->ipv6.sysctl.flush_delay = 0;
@@ -2717,8 +2713,6 @@ out_ip6_null_entry:
kfree(net->ipv6.ip6_null_entry);
#endif
out_ip6_dst_ops:
- release_net(net->ipv6.ip6_dst_ops->dst_net);
- kfree(net->ipv6.ip6_dst_ops);
goto out;
}
@@ -2733,8 +2727,6 @@ static void ip6_route_net_exit(struct net *net)
kfree(net->ipv6.ip6_prohibit_entry);
kfree(net->ipv6.ip6_blk_hole_entry);
#endif
- release_net(net->ipv6.ip6_dst_ops->dst_net);
- kfree(net->ipv6.ip6_dst_ops);
}
static struct pernet_operations ip6_route_net_ops = {
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index d335a306a4d..0ae4f644818 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -609,7 +609,8 @@ static inline __be32 try_6to4(struct in6_addr *v6dst)
* and that skb is filled properly by that function.
*/
-static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
+ struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct net_device_stats *stats = &tunnel->dev->stats;
@@ -778,7 +779,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
iph->version = 4;
iph->ihl = sizeof(struct iphdr)>>2;
if (mtu > IPV6_MIN_MTU)
- iph->frag_off = htons(IP_DF);
+ iph->frag_off = tiph->frag_off;
else
iph->frag_off = 0;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index d849dd53b78..3aae0f217d6 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -75,11 +75,11 @@ static void tcp_v6_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb);
-static struct inet_connection_sock_af_ops ipv6_mapped;
-static struct inet_connection_sock_af_ops ipv6_specific;
+static const struct inet_connection_sock_af_ops ipv6_mapped;
+static const struct inet_connection_sock_af_ops ipv6_specific;
#ifdef CONFIG_TCP_MD5SIG
-static struct tcp_sock_af_ops tcp_sock_ipv6_specific;
-static struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific;
+static const struct tcp_sock_af_ops tcp_sock_ipv6_specific;
+static const struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific;
#else
static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
struct in6_addr *addr)
@@ -591,7 +591,7 @@ static int tcp_v6_md5_do_add(struct sock *sk, struct in6_addr *peer,
}
sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
}
- if (tcp_alloc_md5sig_pool() == NULL) {
+ if (tcp_alloc_md5sig_pool(sk) == NULL) {
kfree(newkey);
return -ENOMEM;
}
@@ -894,7 +894,7 @@ struct request_sock_ops tcp6_request_sock_ops __read_mostly = {
};
#ifdef CONFIG_TCP_MD5SIG
-static struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = {
+static const struct tcp_request_sock_ops tcp_request_sock_ipv6_ops = {
.md5_lookup = tcp_v6_reqsk_md5_lookup,
.calc_md5_hash = tcp_v6_md5_hash_skb,
};
@@ -1003,6 +1003,7 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
skb_reserve(buff, MAX_HEADER + sizeof(struct ipv6hdr) + tot_len);
t1 = (struct tcphdr *) skb_push(buff, tot_len);
+ skb_reset_transport_header(skb);
/* Swap the send and the receive. */
memset(t1, 0, sizeof(*t1));
@@ -1760,7 +1761,7 @@ static int tcp_v6_remember_stamp(struct sock *sk)
return 0;
}
-static struct inet_connection_sock_af_ops ipv6_specific = {
+static const struct inet_connection_sock_af_ops ipv6_specific = {
.queue_xmit = inet6_csk_xmit,
.send_check = tcp_v6_send_check,
.rebuild_header = inet6_sk_rebuild_header,
@@ -1780,7 +1781,7 @@ static struct inet_connection_sock_af_ops ipv6_specific = {
};
#ifdef CONFIG_TCP_MD5SIG
-static struct tcp_sock_af_ops tcp_sock_ipv6_specific = {
+static const struct tcp_sock_af_ops tcp_sock_ipv6_specific = {
.md5_lookup = tcp_v6_md5_lookup,
.calc_md5_hash = tcp_v6_md5_hash_skb,
.md5_add = tcp_v6_md5_add_func,
@@ -1792,7 +1793,7 @@ static struct tcp_sock_af_ops tcp_sock_ipv6_specific = {
* TCP over IPv4 via INET6 API
*/
-static struct inet_connection_sock_af_ops ipv6_mapped = {
+static const struct inet_connection_sock_af_ops ipv6_mapped = {
.queue_xmit = ip_queue_xmit,
.send_check = tcp_v4_send_check,
.rebuild_header = inet_sk_rebuild_header,
@@ -1812,7 +1813,7 @@ static struct inet_connection_sock_af_ops ipv6_mapped = {
};
#ifdef CONFIG_TCP_MD5SIG
-static struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific = {
+static const struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific = {
.md5_lookup = tcp_v4_md5_lookup,
.calc_md5_hash = tcp_v4_md5_hash_skb,
.md5_add = tcp_v6_md5_add_func,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index d79fa672445..164040613c2 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -724,12 +724,18 @@ static int udp_v6_push_pending_frames(struct sock *sk)
send:
err = ip6_push_pending_frames(sk);
+ if (err) {
+ if (err == -ENOBUFS && !inet6_sk(sk)->recverr) {
+ UDP6_INC_STATS_USER(sock_net(sk),
+ UDP_MIB_SNDBUFERRORS, is_udplite);
+ err = 0;
+ }
+ } else
+ UDP6_INC_STATS_USER(sock_net(sk),
+ UDP_MIB_OUTDATAGRAMS, is_udplite);
out:
up->len = 0;
up->pending = 0;
- if (!err)
- UDP6_INC_STATS_USER(sock_net(sk),
- UDP_MIB_OUTDATAGRAMS, is_udplite);
return err;
}
@@ -946,11 +952,8 @@ do_udp_sendmsg:
hlimit = ip6_dst_hoplimit(dst);
}
- if (tclass < 0) {
+ if (tclass < 0)
tclass = np->tclass;
- if (tclass < 0)
- tclass = 0;
- }
if (msg->msg_flags&MSG_CONFIRM)
goto do_confirm;
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-12 04:51:54 +0000