5 /* High bits in flags field are unused. */
11 static inline bool tun_vnet_legacy_is_little_endian(unsigned int flags)  in tun_vnet_legacy_is_little_endian()  argument
14 		  (flags & TUN_VNET_BE);  in tun_vnet_legacy_is_little_endian()
19 static inline long tun_get_vnet_be(unsigned int flags, int __user *argp)  in tun_get_vnet_be()  argument
21 	int be = !!(flags & TUN_VNET_BE);  in tun_get_vnet_be()
32 static inline long tun_set_vnet_be(unsigned int *flags, int __user *argp)  in tun_set_vnet_be()  argument
43 		*flags |= TUN_VNET_BE;  in tun_set_vnet_be()
45 		*flags &= ~TUN_VNET_BE;  in tun_set_vnet_be()
50 static inline bool tun_vnet_is_little_endian(unsigned int flags)  in tun_vnet_is_little_endian()  argument
52 	return flags & TUN_VNET_LE || tun_vnet_legacy_is_little_endian(flags);  in tun_vnet_is_little_endian()
55 static inline u16 tun_vnet16_to_cpu(unsigned int flags, __virtio16 val)  in tun_vnet16_to_cpu()  argument
57 	return __virtio16_to_cpu(tun_vnet_is_little_endian(flags), val);  in tun_vnet16_to_cpu()
60 static inline __virtio16 cpu_to_tun_vnet16(unsigned int flags, u16 val)  in cpu_to_tun_vnet16()  argument
62 	return __cpu_to_virtio16(tun_vnet_is_little_endian(flags), val);  in cpu_to_tun_vnet16()
65 static inline long tun_vnet_ioctl(int *vnet_hdr_sz, unsigned int *flags,  in tun_vnet_ioctl()  argument
87 		s = !!(*flags & TUN_VNET_LE);  in tun_vnet_ioctl()
96 			*flags |= TUN_VNET_LE;  in tun_vnet_ioctl()
98 			*flags &= ~TUN_VNET_LE;  in tun_vnet_ioctl()
102 		return tun_get_vnet_be(*flags, sp);  in tun_vnet_ioctl()
105 		return tun_set_vnet_be(flags, sp);  in tun_vnet_ioctl()
120 static inline int __tun_vnet_hdr_get(int sz, unsigned int flags,  in __tun_vnet_hdr_get()  argument
134 	hdr_len = tun_vnet16_to_cpu(flags, hdr->hdr_len);  in __tun_vnet_hdr_get()
136 	if (hdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) {  in __tun_vnet_hdr_get()
137 …hdr_len = max(tun_vnet16_to_cpu(flags, hdr->csum_start) + tun_vnet16_to_cpu(flags, hdr->csum_offse…  in __tun_vnet_hdr_get()
138 		hdr->hdr_len = cpu_to_tun_vnet16(flags, hdr_len);  in __tun_vnet_hdr_get()
149 static inline int tun_vnet_hdr_get(int sz, unsigned int flags,  in tun_vnet_hdr_get()  argument
153 	return __tun_vnet_hdr_get(sz, flags, 0, from, hdr);  in tun_vnet_hdr_get()
180 static inline int tun_vnet_hdr_to_skb(unsigned int flags, struct sk_buff *skb,  in tun_vnet_hdr_to_skb()  argument
183 	return virtio_net_hdr_to_skb(skb, hdr, tun_vnet_is_little_endian(flags));  in tun_vnet_hdr_to_skb()
198 tun_vnet_hdr_tnl_to_skb(unsigned int flags, netdev_features_t features,  in tun_vnet_hdr_tnl_to_skb()  argument
205 				tun_vnet_is_little_endian(flags));  in tun_vnet_hdr_tnl_to_skb()
208 static inline int tun_vnet_hdr_from_skb(unsigned int flags,  in tun_vnet_hdr_from_skb()  argument
216 				    tun_vnet_is_little_endian(flags), true,  in tun_vnet_hdr_from_skb()
222 				   sinfo->gso_type, tun_vnet16_to_cpu(flags, hdr->gso_size),  in tun_vnet_hdr_from_skb()
223 				   tun_vnet16_to_cpu(flags, hdr->hdr_len));  in tun_vnet_hdr_from_skb()
227 				       min(tun_vnet16_to_cpu(flags, hdr->hdr_len), 64), true);  in tun_vnet_hdr_from_skb()
237 tun_vnet_hdr_tnl_from_skb(unsigned int flags,  in tun_vnet_hdr_tnl_from_skb()  argument
246 					tun_vnet_is_little_endian(flags),  in tun_vnet_hdr_tnl_from_skb()
252 			int hdr_len = tun_vnet16_to_cpu(flags, hdr->hdr_len);  in tun_vnet_hdr_tnl_from_skb()
256 				   tun_vnet16_to_cpu(flags, hdr->gso_size),  in tun_vnet_hdr_tnl_from_skb()
257 				   tun_vnet16_to_cpu(flags, hdr->hdr_len));  in tun_vnet_hdr_tnl_from_skb()