syncookies.c (463c84b97f24010a67cd871746d6a7e4c925a5f9) syncookies.c (20380731bc2897f2952ae055420972ded4cd786e)
1/*
2 * Syncookies implementation for the Linux kernel
3 *
4 * Copyright (C) 1997 Andi Kleen
5 * Based on ideas by D.J.Bernstein and Eric Schenk.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License

--- 155 unchanged lines hidden (view full) ---

164 mssind = check_tcp_syn_cookie(cookie,
165 skb->nh.iph->saddr, skb->nh.iph->daddr,
166 skb->h.th->source, skb->h.th->dest,
167 seq, jiffies / (HZ * 60), COUNTER_TRIES);
168
169 return mssind < NUM_MSS ? msstab[mssind] + 1 : 0;
170}
171
1/*
2 * Syncookies implementation for the Linux kernel
3 *
4 * Copyright (C) 1997 Andi Kleen
5 * Based on ideas by D.J.Bernstein and Eric Schenk.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License

--- 155 unchanged lines hidden (view full) ---

164 mssind = check_tcp_syn_cookie(cookie,
165 skb->nh.iph->saddr, skb->nh.iph->daddr,
166 skb->h.th->source, skb->h.th->dest,
167 seq, jiffies / (HZ * 60), COUNTER_TRIES);
168
169 return mssind < NUM_MSS ? msstab[mssind] + 1 : 0;
170}
171
172extern struct request_sock_ops tcp_request_sock_ops;
173
174static inline struct sock *get_cookie_sock(struct sock *sk, struct sk_buff *skb,
175 struct request_sock *req,
176 struct dst_entry *dst)
177{
178 struct tcp_sock *tp = tcp_sk(sk);
179 struct sock *child;
180
181 child = tp->af_specific->syn_recv_sock(sk, skb, req, dst);

--- 99 unchanged lines hidden --- 		172static inline struct sock *get_cookie_sock(struct sock *sk, struct sk_buff *skb,
173 struct request_sock *req,
174 struct dst_entry *dst)
175{
176 struct tcp_sock *tp = tcp_sk(sk);
177 struct sock *child;
178
179 child = tp->af_specific->syn_recv_sock(sk, skb, req, dst);

--- 99 unchanged lines hidden ---