/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _NF_REJECT_H #define _NF_REJECT_H #include <linux/types.h> #include <uapi/linux/in.h> static inline bool nf_reject_verify_csum(__u8 proto) { /* Skip protocols that don't use 16-bit one's complement checksum * of the entire payload. */ switch (proto) { /* Protocols with other integrity checks. */ case IPPROTO_AH: case IPPROTO_ESP: case IPPROTO_SCTP: /* Protocols with partial checksums. */ case IPPROTO_UDPLITE: case IPPROTO_DCCP: /* Protocols with optional checksums. */ case IPPROTO_GRE: return false; } return true; } #endif /* _NF_REJECT_H */