the scheduled ieee80211 softmac removal

[linux-2.6] / net / ipv4 / syncookies.c

diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 2da1be0589a9e7f2fb2cb6c0383e0452df570207..4704f27f6c0b4f16d929668a9f043a96a57fd7ac 100644 (file)
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -10,8 +10,6 @@
  *      2 of the License, or (at your option) any later version.
  *
  *  $Id: syncookies.c,v 1.18 2002/02/01 22:01:04 davem Exp $
- *
- *  Missing: IPv6 support.
  */
 
 #include <linux/tcp.h>
@@ -23,22 +21,25 @@
 
 extern int sysctl_tcp_syncookies;
 
-static __u32 syncookie_secret[2][16-3+SHA_DIGEST_WORDS];
+__u32 syncookie_secret[2][16-3+SHA_DIGEST_WORDS];
+EXPORT_SYMBOL(syncookie_secret);
 
 static __init int init_syncookies(void)
 {
        get_random_bytes(syncookie_secret, sizeof(syncookie_secret));
        return 0;
 }
-module_init(init_syncookies);
+__initcall(init_syncookies);
 
 #define COOKIEBITS 24  /* Upper bits store count */
 #define COOKIEMASK (((__u32)1 << COOKIEBITS) - 1)
 
+static DEFINE_PER_CPU(__u32, cookie_scratch)[16 + 5 + SHA_WORKSPACE_WORDS];
+
 static u32 cookie_hash(__be32 saddr, __be32 daddr, __be16 sport, __be16 dport,
                       u32 count, int c)
 {
-       __u32 tmp[16 + 5 + SHA_WORKSPACE_WORDS];
+       __u32 *tmp = __get_cpu_var(cookie_scratch);
 
        memcpy(tmp + 3, syncookie_secret[c], sizeof(syncookie_secret[c]));
        tmp[0] = (__force u32)saddr;
@@ -264,7 +265,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
                                               { .sport = th->dest,
                                                 .dport = th->source } } };
                security_req_classify_flow(req, &fl);
-               if (ip_route_output_key(&rt, &fl)) {
+               if (ip_route_output_key(&init_net, &rt, &fl)) {
                        reqsk_free(req);
                        goto out;
                }