diff options
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -rw-r--r-- | net/ipv6/ip6_output.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 2b69a4b965ed..c3cef2d5c020 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -546,12 +546,15 @@ static void ip6_copy_metadata(struct sk_buff *to, struct sk_buff *from) static void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt) { static u32 ip6_idents_hashrnd __read_mostly; + static u32 ip6_idents_hashrnd_extra __read_mostly; u32 hash, id; net_get_random_once(&ip6_idents_hashrnd, sizeof(ip6_idents_hashrnd)); + net_get_random_once(&ip6_idents_hashrnd_extra, sizeof(ip6_idents_hashrnd_extra)); hash = __ipv6_addr_jhash(&rt->rt6i_dst.addr, ip6_idents_hashrnd); hash = __ipv6_addr_jhash(&rt->rt6i_src.addr, hash); + hash = jhash_1word(hash, ip6_idents_hashrnd_extra); id = ip_idents_reserve(hash, 1); fhdr->identification = htonl(id); |