5  * Influenced by arch/arm64/lib/csum.c
22 			__u32 len, __u8 proto, __wsum csum)  in csum_ipv6_magic()  argument
25 	unsigned long sum = (__force unsigned long)csum;  in csum_ipv6_magic()
93 	unsigned long csum = 0, carry = 0;  in do_csum_common()  local
101 		csum += data;  in do_csum_common()
102 		carry += csum < data;  in do_csum_common()
116 	csum += data;  in do_csum_common()
117 	carry += csum < data;  in do_csum_common()
118 	csum += carry;  in do_csum_common()
119 	csum += csum < carry;  in do_csum_common()
121 	return csum;  in do_csum_common()
133 	unsigned long csum, data;  in do_csum_with_alignment()  local
157 	csum = do_csum_common(ptr, end, data);  in do_csum_with_alignment()
183 			rori	%[fold_temp], %[csum], 16	\n\  in do_csum_with_alignment()
185 			add	%[csum], %[fold_temp], %[csum]	\n\  in do_csum_with_alignment()
187 			rev8	%[csum], %[csum]		\n\  in do_csum_with_alignment()
189 			: [csum] "+r" (csum), [fold_temp] "=&r" (fold_temp)  in do_csum_with_alignment()
194 		return (unsigned short)csum;  in do_csum_with_alignment()
198 			rori	%[fold_temp], %[csum], 32	\n\  in do_csum_with_alignment()
199 			add	%[csum], %[fold_temp], %[csum]	\n\  in do_csum_with_alignment()
200 			srli	%[csum], %[csum], 32		\n\  in do_csum_with_alignment()
201 			roriw	%[fold_temp], %[csum], 16	\n\  in do_csum_with_alignment()
202 			addw	%[csum], %[fold_temp], %[csum]	\n\  in do_csum_with_alignment()
205 			rev8	%[csum], %[csum]		\n\  in do_csum_with_alignment()
207 			: [csum] "+r" (csum), [fold_temp] "=&r" (fold_temp)  in do_csum_with_alignment()
212 		return (csum << 16) >> 48;  in do_csum_with_alignment()
215 		return csum >> 16;  in do_csum_with_alignment()
220 	csum += ror64(csum, 32);  in do_csum_with_alignment()
221 	csum >>= 32;  in do_csum_with_alignment()
223 	csum = (u32)csum + ror32((u32)csum, 16);  in do_csum_with_alignment()
225 		return (u16)swab32(csum);  in do_csum_with_alignment()
226 	return csum >> 16;  in do_csum_with_alignment()
236 	unsigned long csum, data;  in do_csum_no_alignment()  local
245 	csum = do_csum_common(ptr, end, data);  in do_csum_no_alignment()
270 			rori	%[fold_temp], %[csum], 16	\n\  in do_csum_no_alignment()
271 			add	%[csum], %[fold_temp], %[csum]	\n\  in do_csum_no_alignment()
273 			: [csum] "+r" (csum), [fold_temp] "=&r" (fold_temp)  in do_csum_no_alignment()
280 			rori	%[fold_temp], %[csum], 32	\n\  in do_csum_no_alignment()
281 			add	%[csum], %[fold_temp], %[csum]	\n\  in do_csum_no_alignment()
282 			srli	%[csum], %[csum], 32		\n\  in do_csum_no_alignment()
283 			roriw	%[fold_temp], %[csum], 16	\n\  in do_csum_no_alignment()
284 			addw	%[csum], %[fold_temp], %[csum]	\n\  in do_csum_no_alignment()
286 			: [csum] "+r" (csum), [fold_temp] "=&r" (fold_temp)  in do_csum_no_alignment()
290 		return csum >> 16;  in do_csum_no_alignment()
294 	csum += ror64(csum, 32);  in do_csum_no_alignment()
295 	csum >>= 32;  in do_csum_no_alignment()
297 	csum = (u32)csum + ror32((u32)csum, 16);  in do_csum_no_alignment()
298 	return csum >> 16;  in do_csum_no_alignment()