| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _NF_CONNTRACK_TFTP_H |
| #define _NF_CONNTRACK_TFTP_H |
| |
| #define TFTP_PORT 69 |
| |
| #include <linux/netfilter.h> |
| #include <linux/skbuff.h> |
| #include <linux/types.h> |
| #include <net/netfilter/nf_conntrack_expect.h> |
| |
| 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 *skb, |
| enum ip_conntrack_info ctinfo, |
| struct nf_conntrack_expect *exp); |
| |
| #endif /* _NF_CONNTRACK_TFTP_H */ |