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authorPatrick McHardy <kaber@trash.net>2006-12-02 22:10:18 -0800
committerDavid S. Miller <davem@davemloft.net>2006-12-02 22:10:18 -0800
commita536df35b3a58caa9015bf7887a374b20f658368 (patch)
treedf46a8a648d4d384a8202db5cf2fbb42dd51c554 /include/linux
parent9fafcd7b203229c3f3893a475741afc27e276306 (diff)
[NETFILTER]: nf_conntrack/nf_nat: add TFTP helper port
Add IPv4 and IPv6 capable nf_conntrack port of the TFTP conntrack/NAT helper. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/netfilter/nf_conntrack_tftp.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/netfilter/nf_conntrack_tftp.h b/include/linux/netfilter/nf_conntrack_tftp.h
new file mode 100644
index 00000000000..0d79b7ae051
--- /dev/null
+++ b/include/linux/netfilter/nf_conntrack_tftp.h
@@ -0,0 +1,20 @@
+#ifndef _NF_CONNTRACK_TFTP_H
+#define _NF_CONNTRACK_TFTP_H
+
+#define TFTP_PORT 69
+
+struct tftphdr {
+ __be16 opcode;
+};
+
+#define TFTP_OPCODE_READ 1
+#define TFTP_OPCODE_WRITE 2
+#define TFTP_OPCODE_DATA 3
+#define TFTP_OPCODE_ACK 4
+#define TFTP_OPCODE_ERROR 5
+
+extern unsigned int (*nf_nat_tftp_hook)(struct sk_buff **pskb,
+ enum ip_conntrack_info ctinfo,
+ struct nf_conntrack_expect *exp);
+
+#endif /* _NF_CONNTRACK_TFTP_H */