[linux-2.6-block.git] / include / net / netfilter / nf_reject.h

/* 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 */
Commit	Line	Data
7fc38225 AN	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	#ifndef _NF_REJECT_H
	3	#define _NF_REJECT_H
	4
a1b2f04e JS	5	#include <linux/types.h>
	6	#include <uapi/linux/in.h>
	7
7fc38225 AN	8	static inline bool nf_reject_verify_csum(__u8 proto)
	9	{
	10	/* Skip protocols that don't use 16-bit one's complement checksum
	11	* of the entire payload.
	12	*/
	13	switch (proto) {
	14	/* Protocols with other integrity checks. */
	15	case IPPROTO_AH:
	16	case IPPROTO_ESP:
	17	case IPPROTO_SCTP:
	18
	19	/* Protocols with partial checksums. */
	20	case IPPROTO_UDPLITE:
	21	case IPPROTO_DCCP:
	22
	23	/* Protocols with optional checksums. */
	24	case IPPROTO_GRE:
	25	return false;
	26	}
	27	return true;
	28	}
	29
	30	#endif /* _NF_REJECT_H */