MODULE_LICENSE("GPL");
MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
-MODULE_DESCRIPTION("iptables ECN modification module");
+MODULE_DESCRIPTION("Xtables: Explicit Congestion Notification (ECN) flag modification");
/* set ECT codepoint from IP header.
* return false if there was an error. */
oldtos = iph->tos;
iph->tos &= ~IPT_ECN_IP_MASK;
iph->tos |= (einfo->ip_ect & IPT_ECN_IP_MASK);
- nf_csum_replace2(&iph->check, htons(oldtos), htons(iph->tos));
+ csum_replace2(&iph->check, htons(oldtos), htons(iph->tos));
}
return true;
}
if (einfo->operation & IPT_ECN_OP_SET_CWR)
tcph->cwr = einfo->proto.tcp.cwr;
- nf_proto_csum_replace2(&tcph->check, skb,
- oldval, ((__be16 *)tcph)[6], 0);
+ inet_proto_csum_replace2(&tcph->check, skb,
+ oldval, ((__be16 *)tcph)[6], 0);
return true;
}
static unsigned int
-target(struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- unsigned int hooknum,
- const struct xt_target *target,
- const void *targinfo)
+ecn_tg(struct sk_buff *skb, const struct net_device *in,
+ const struct net_device *out, unsigned int hooknum,
+ const struct xt_target *target, const void *targinfo)
{
const struct ipt_ECN_info *einfo = targinfo;
}
static bool
-checkentry(const char *tablename,
- const void *e_void,
- const struct xt_target *target,
- void *targinfo,
- unsigned int hook_mask)
+ecn_tg_check(const char *tablename, const void *e_void,
+ const struct xt_target *target, void *targinfo,
+ unsigned int hook_mask)
{
- const struct ipt_ECN_info *einfo = (struct ipt_ECN_info *)targinfo;
+ const struct ipt_ECN_info *einfo = targinfo;
const struct ipt_entry *e = e_void;
if (einfo->operation & IPT_ECN_OP_MASK) {
return true;
}
-static struct xt_target ipt_ecn_reg __read_mostly = {
+static struct xt_target ecn_tg_reg __read_mostly = {
.name = "ECN",
.family = AF_INET,
- .target = target,
+ .target = ecn_tg,
.targetsize = sizeof(struct ipt_ECN_info),
.table = "mangle",
- .checkentry = checkentry,
+ .checkentry = ecn_tg_check,
.me = THIS_MODULE,
};
-static int __init ipt_ecn_init(void)
+static int __init ecn_tg_init(void)
{
- return xt_register_target(&ipt_ecn_reg);
+ return xt_register_target(&ecn_tg_reg);
}
-static void __exit ipt_ecn_fini(void)
+static void __exit ecn_tg_exit(void)
{
- xt_unregister_target(&ipt_ecn_reg);
+ xt_unregister_target(&ecn_tg_reg);
}
-module_init(ipt_ecn_init);
-module_exit(ipt_ecn_fini);
+module_init(ecn_tg_init);
+module_exit(ecn_tg_exit);