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| author | Patrick McHardy <kaber@trash.net> | 2006-12-02 22:10:18 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-12-02 22:10:18 -0800 |
| commit | a536df35b3a58caa9015bf7887a374b20f658368 (patch) | |
| tree | df46a8a648d4d384a8202db5cf2fbb42dd51c554 /include | |
| parent | 9fafcd7b203229c3f3893a475741afc27e276306 (diff) | |
| download | lwn-a536df35b3a58caa9015bf7887a374b20f658368.tar.gz lwn-a536df35b3a58caa9015bf7887a374b20f658368.zip | |
[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')
| -rw-r--r-- | include/linux/netfilter/nf_conntrack_tftp.h | 20 |
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 000000000000..0d79b7ae051f --- /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 */ |