summaryrefslogtreecommitdiff
path: root/net/ipv6/output_core.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/output_core.c')
-rw-r--r--net/ipv6/output_core.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index 74581f706c4d..4016a6ef9d61 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -9,13 +9,14 @@
#include <net/addrconf.h>
#include <net/secure_seq.h>
-static u32 __ipv6_select_ident(u32 hashrnd, struct in6_addr *dst,
- struct in6_addr *src)
+static u32 __ipv6_select_ident(struct net *net, u32 hashrnd,
+ struct in6_addr *dst, struct in6_addr *src)
{
u32 hash, id;
hash = __ipv6_addr_jhash(dst, hashrnd);
hash = __ipv6_addr_jhash(src, hash);
+ hash ^= net_hash_mix(net);
/* Treat id of 0 as unset and if we get 0 back from ip_idents_reserve,
* set the hight order instead thus minimizing possible future
@@ -36,7 +37,7 @@ static u32 __ipv6_select_ident(u32 hashrnd, struct in6_addr *dst,
*
* The network header must be set before calling this.
*/
-void ipv6_proxy_select_ident(struct sk_buff *skb)
+void ipv6_proxy_select_ident(struct net *net, struct sk_buff *skb)
{
static u32 ip6_proxy_idents_hashrnd __read_mostly;
struct in6_addr buf[2];
@@ -53,20 +54,21 @@ void ipv6_proxy_select_ident(struct sk_buff *skb)
net_get_random_once(&ip6_proxy_idents_hashrnd,
sizeof(ip6_proxy_idents_hashrnd));
- id = __ipv6_select_ident(ip6_proxy_idents_hashrnd,
+ id = __ipv6_select_ident(net, ip6_proxy_idents_hashrnd,
&addrs[1], &addrs[0]);
skb_shinfo(skb)->ip6_frag_id = htonl(id);
}
EXPORT_SYMBOL_GPL(ipv6_proxy_select_ident);
-void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt)
+void ipv6_select_ident(struct net *net, struct frag_hdr *fhdr,
+ struct rt6_info *rt)
{
static u32 ip6_idents_hashrnd __read_mostly;
u32 id;
net_get_random_once(&ip6_idents_hashrnd, sizeof(ip6_idents_hashrnd));
- id = __ipv6_select_ident(ip6_idents_hashrnd, &rt->rt6i_dst.addr,
+ id = __ipv6_select_ident(net, ip6_idents_hashrnd, &rt->rt6i_dst.addr,
&rt->rt6i_src.addr);
fhdr->identification = htonl(id);
}