read_unlock_bh(&nf_ct_gre_lock);
pr_debug("lookup src key 0x%x for ", key);
read_unlock_bh(&nf_ct_gre_lock);
pr_debug("lookup src key 0x%x for ", key);
write_lock_bh(&nf_ct_gre_lock);
list_add_tail(&km->list, &gre_keymap_list);
write_lock_bh(&nf_ct_gre_lock);
list_add_tail(&km->list, &gre_keymap_list);
-static int gre_invert_tuple(struct nf_conntrack_tuple *tuple,
- const struct nf_conntrack_tuple *orig)
+static bool gre_invert_tuple(struct nf_conntrack_tuple *tuple,
+ const struct nf_conntrack_tuple *orig)
-static int gre_pkt_to_tuple(const struct sk_buff *skb,
- unsigned int dataoff,
- struct nf_conntrack_tuple *tuple)
+static bool gre_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff,
+ struct nf_conntrack_tuple *tuple)
/* first only delinearize old RFC1701 GRE header */
grehdr = skb_header_pointer(skb, dataoff, sizeof(_grehdr), &_grehdr);
/* first only delinearize old RFC1701 GRE header */
grehdr = skb_header_pointer(skb, dataoff, sizeof(_grehdr), &_grehdr);
}
/* PPTP header is variable length, only need up to the call_id field */
pgrehdr = skb_header_pointer(skb, dataoff, 8, &_pgrehdr);
if (!pgrehdr)
}
/* PPTP header is variable length, only need up to the call_id field */
pgrehdr = skb_header_pointer(skb, dataoff, 8, &_pgrehdr);
if (!pgrehdr)
if (ntohs(grehdr->protocol) != GRE_PROTOCOL_PPTP) {
pr_debug("GRE_VERSION_PPTP but unknown proto\n");
if (ntohs(grehdr->protocol) != GRE_PROTOCOL_PPTP) {
pr_debug("GRE_VERSION_PPTP but unknown proto\n");
}
tuple->dst.u.gre.key = pgrehdr->call_id;
srckey = gre_keymap_lookup(tuple);
tuple->src.u.gre.key = srckey;
}
tuple->dst.u.gre.key = pgrehdr->call_id;
srckey = gre_keymap_lookup(tuple);
tuple->src.u.gre.key = srckey;
/* initialize to sane value. Ideally a conntrack helper
* (e.g. in case of pptp) is increasing them */
ct->proto.gre.stream_timeout = GRE_STREAM_TIMEOUT;
ct->proto.gre.timeout = GRE_TIMEOUT;
/* initialize to sane value. Ideally a conntrack helper
* (e.g. in case of pptp) is increasing them */
ct->proto.gre.stream_timeout = GRE_STREAM_TIMEOUT;
ct->proto.gre.timeout = GRE_TIMEOUT;