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Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrconf.c6
-rw-r--r--net/ipv6/netfilter.c7
-rw-r--r--net/ipv6/proc.c2
-rw-r--r--net/ipv6/udp_offload.c20
4 files changed, 24 insertions, 11 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d1ab6ab29a5..1bbf744c2cc 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1487,7 +1487,7 @@ static int ipv6_count_addresses(struct inet6_dev *idev)
}
int ipv6_chk_addr(struct net *net, const struct in6_addr *addr,
- struct net_device *dev, int strict)
+ const struct net_device *dev, int strict)
{
struct inet6_ifaddr *ifp;
unsigned int hash = inet6_addr_hash(addr);
@@ -2658,8 +2658,10 @@ static void init_loopback(struct net_device *dev)
sp_rt = addrconf_dst_alloc(idev, &sp_ifa->addr, 0);
/* Failure cases are ignored */
- if (!IS_ERR(sp_rt))
+ if (!IS_ERR(sp_rt)) {
+ sp_ifa->rt = sp_rt;
ip6_ins_rt(sp_rt);
+ }
}
read_unlock_bh(&idev->lock);
}
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 72836f40b73..95f3f1da0d7 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -10,6 +10,7 @@
#include <linux/netfilter.h>
#include <linux/netfilter_ipv6.h>
#include <linux/export.h>
+#include <net/addrconf.h>
#include <net/dst.h>
#include <net/ipv6.h>
#include <net/ip6_route.h>
@@ -186,6 +187,10 @@ static __sum16 nf_ip6_checksum_partial(struct sk_buff *skb, unsigned int hook,
return csum;
};
+static const struct nf_ipv6_ops ipv6ops = {
+ .chk_addr = ipv6_chk_addr,
+};
+
static const struct nf_afinfo nf_ip6_afinfo = {
.family = AF_INET6,
.checksum = nf_ip6_checksum,
@@ -198,6 +203,7 @@ static const struct nf_afinfo nf_ip6_afinfo = {
int __init ipv6_netfilter_init(void)
{
+ RCU_INIT_POINTER(nf_ipv6_ops, &ipv6ops);
return nf_register_afinfo(&nf_ip6_afinfo);
}
@@ -206,5 +212,6 @@ int __init ipv6_netfilter_init(void)
*/
void ipv6_netfilter_fini(void)
{
+ RCU_INIT_POINTER(nf_ipv6_ops, NULL);
nf_unregister_afinfo(&nf_ip6_afinfo);
}
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index f3c1ff4357f..51c3285b5d9 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -90,7 +90,7 @@ static const struct snmp_mib snmp6_ipstats_list[] = {
SNMP_MIB_ITEM("Ip6OutMcastOctets", IPSTATS_MIB_OUTMCASTOCTETS),
SNMP_MIB_ITEM("Ip6InBcastOctets", IPSTATS_MIB_INBCASTOCTETS),
SNMP_MIB_ITEM("Ip6OutBcastOctets", IPSTATS_MIB_OUTBCASTOCTETS),
- SNMP_MIB_ITEM("InCsumErrors", IPSTATS_MIB_CSUMERRORS),
+ /* IPSTATS_MIB_CSUMERRORS is not relevant in IPv6 (no checksum) */
SNMP_MIB_SENTINEL
};
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index 3bb3a891a42..d3cfaf9c7a0 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -46,11 +46,12 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
unsigned int mss;
unsigned int unfrag_ip6hlen, unfrag_len;
struct frag_hdr *fptr;
- u8 *mac_start, *prevhdr;
+ u8 *packet_start, *prevhdr;
u8 nexthdr;
u8 frag_hdr_sz = sizeof(struct frag_hdr);
int offset;
__wsum csum;
+ int tnl_hlen;
mss = skb_shinfo(skb)->gso_size;
if (unlikely(skb->len <= mss))
@@ -83,9 +84,11 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
skb->ip_summed = CHECKSUM_NONE;
/* Check if there is enough headroom to insert fragment header. */
- if ((skb_mac_header(skb) < skb->head + frag_hdr_sz) &&
- pskb_expand_head(skb, frag_hdr_sz, 0, GFP_ATOMIC))
- goto out;
+ tnl_hlen = skb_tnl_header_len(skb);
+ if (skb_headroom(skb) < (tnl_hlen + frag_hdr_sz)) {
+ if (gso_pskb_expand_head(skb, tnl_hlen + frag_hdr_sz))
+ goto out;
+ }
/* Find the unfragmentable header and shift it left by frag_hdr_sz
* bytes to insert fragment header.
@@ -93,11 +96,12 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
unfrag_ip6hlen = ip6_find_1stfragopt(skb, &prevhdr);
nexthdr = *prevhdr;
*prevhdr = NEXTHDR_FRAGMENT;
- unfrag_len = skb_network_header(skb) - skb_mac_header(skb) +
- unfrag_ip6hlen;
- mac_start = skb_mac_header(skb);
- memmove(mac_start-frag_hdr_sz, mac_start, unfrag_len);
+ unfrag_len = (skb_network_header(skb) - skb_mac_header(skb)) +
+ unfrag_ip6hlen + tnl_hlen;
+ packet_start = (u8 *) skb->head + SKB_GSO_CB(skb)->mac_offset;
+ memmove(packet_start-frag_hdr_sz, packet_start, unfrag_len);
+ SKB_GSO_CB(skb)->mac_offset -= frag_hdr_sz;
skb->mac_header -= frag_hdr_sz;
skb->network_header -= frag_hdr_sz;