53 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| #ifndef __NET_IFE_H
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| #define __NET_IFE_H
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| 
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| #include <linux/etherdevice.h>
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| #include <linux/rtnetlink.h>
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| #include <uapi/linux/ife.h>
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| 
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| #if IS_ENABLED(CONFIG_NET_IFE)
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| 
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| void *ife_encode(struct sk_buff *skb, u16 metalen);
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| void *ife_decode(struct sk_buff *skb, u16 *metalen);
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| 
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| void *ife_tlv_meta_decode(void *skbdata, const void *ifehdr_end, u16 *attrtype,
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| 			  u16 *dlen, u16 *totlen);
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| int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
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| 			const void *dval);
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| 
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| void *ife_tlv_meta_next(void *skbdata);
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| 
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| #else
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| 
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| static inline void *ife_encode(struct sk_buff *skb, u16 metalen)
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| {
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| 	return NULL;
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| }
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| 
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| static inline void *ife_decode(struct sk_buff *skb, u16 *metalen)
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| {
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| 	return NULL;
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| }
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| 
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| static inline void *ife_tlv_meta_decode(void *skbdata, u16 *attrtype, u16 *dlen,
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| 					u16 *totlen)
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| {
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| 	return NULL;
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| }
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| 
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| static inline int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
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| 			const void *dval)
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| {
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| 	return 0;
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| }
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| 
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| static inline void *ife_tlv_meta_next(void *skbdata)
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| {
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| 	return NULL;
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| }
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| 
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| #endif
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| 
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| #endif /* __NET_IFE_H */
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